Consolidated Schedule of Investments In and Advances to Affiliates (Details)

v3.23.2

Consolidated Schedule of Investments In and Advances to Affiliates (Details) - USD ($) $ in Thousands		3 Months Ended				6 Months Ended
		Jun. 30, 2023		Jun. 30, 2022		Jun. 30, 2023		Jun. 30, 2022		Dec. 31, 2022
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		$ (75,506)		$ (5,064)		$ (103,886)		$ (1,728)
Amount of Unrealized Gain/(Loss)		104,941		(24,593)		140,059		(9,841)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[1]					4,102,177
Ending balance		4,210,543		4,210,543	[2]	4,210,543		4,210,543	[2]
Fair value		4,210,543		4,210,543	[2]	4,210,543		4,210,543	[2]	$ 4,102,177	[1]
Control investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		(48,111)		0		(51,077)		0
Amount of Unrealized Gain/(Loss)		75,779		4,822		92,940		13,101
Amount of Interest, Fees or Dividends Credited to Income						96,841		69,385
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,703,172	[1],[3]	1,489,257
Gross Additions						338,651		176,645
Gross Reductions						173,038		85,996
Ending balance		1,883,699	[2],[4]	1,538,158		1,883,699	[2],[4]	1,538,158
Fair value		1,883,699	[2],[4]	1,538,158		1,883,699	[2],[4]	1,538,158		1,703,172	[1],[3]
Control investments | Midwest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		453,692		341,821		453,692		341,821
Fair value		$ 453,692		$ 341,821		$ 453,692		$ 341,821
Net assets, percentage		24.10%		22.20%		24.10%		22.20%
Control investments | Northeast Region and Canada
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 283,469				$ 283,469
Fair value		$ 283,469				$ 283,469
Net assets, percentage		15.00%				15.00%
Control investments | Northeast
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance				$ 140,103				$ 140,103
Fair value				$ 140,103				$ 140,103
Net assets, percentage				9.10%				9.10%
Control investments | Southeast
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 51,394		$ 17,479		$ 51,394		$ 17,479
Fair value		$ 51,394		$ 17,479		$ 51,394		$ 17,479
Net assets, percentage		2.70%		1.10%		2.70%		1.10%
Control investments | Southwest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 655,449		$ 588,039		$ 655,449		$ 588,039
Fair value		$ 655,449		$ 588,039		$ 655,449		$ 588,039
Net assets, percentage		34.80%		38.20%		34.80%		38.20%
Control investments | West
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 439,695		$ 450,716		$ 439,695		$ 450,716
Fair value		$ 439,695		$ 450,716		$ 439,695		$ 450,716
Net assets, percentage		23.30%		29.30%		23.30%		29.30%
Affiliate investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		$ 9,997		$ 47		$ (16,267)		$ 739
Amount of Unrealized Gain/(Loss)		(11,469)		1,731		21,672		4,772
Amount of Interest, Fees or Dividends Credited to Income						38,455		25,810
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						618,359	[1],[5]	549,214
Gross Additions						175,201		37,832
Gross Reductions						215,521		36,388
Ending balance		563,125	[2],[6]	518,061		563,125	[2],[6]	518,061
Fair value		563,125	[2],[6]	518,061		563,125	[2],[6]	518,061		618,359	[1],[5]
Affiliate investments | Midwest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		78,205		68,747		78,205		68,747
Fair value		$ 78,205		$ 68,747		$ 78,205		$ 68,747
Net assets, percentage		13.90%		13.30%		13.90%		13.30%
Affiliate investments | Northeast Region and Canada
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 102,097				$ 102,097
Fair value		$ 102,097				$ 102,097
Net assets, percentage		18.10%				18.10%
Affiliate investments | Northeast
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance				$ 102,679				$ 102,679
Fair value				$ 102,679				$ 102,679
Net assets, percentage				19.80%				19.80%
Affiliate investments | Southeast
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 172,637		$ 162,554		$ 172,637		$ 162,554
Fair value		$ 172,637		$ 162,554		$ 172,637		$ 162,554
Net assets, percentage		30.70%		31.40%		30.70%		31.40%
Affiliate investments | Southwest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 79,676		$ 103,708		$ 79,676		$ 103,708
Fair value		$ 79,676		$ 103,708		$ 79,676		$ 103,708
Net assets, percentage		14.10%		20.00%		14.10%		20.00%
Affiliate investments | West
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 130,510		$ 80,373		$ 130,510		$ 80,373
Fair value		$ 130,510		$ 80,373		$ 130,510		$ 80,373
Net assets, percentage		23.20%		15.50%		23.20%		15.50%
Investment, Identifier [Axis]: 2717 MH, L.P., LP Interests (2717 HPP-MS, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						67		0
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						248		0
Gross Additions						67		244
Gross Reductions						0		0
Ending balance		$ 315		$ 244		315		244
Fair value		315		244		315		244		248
Investment, Identifier [Axis]: 2717 MH, L.P., LP Interests (2717 MH, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						1,677		0
Amount of Unrealized Gain/(Loss)						(675)		1,408
Amount of Interest, Fees or Dividends Credited to Income						141		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						7,552		3,971
Gross Additions						2,077		2,583
Gross Reductions						3,283		0
Ending balance		6,346		6,554		6,346		6,554
Fair value		6,346		6,554		6,346		6,554		7,552
Investment, Identifier [Axis]: 423 HAR, LP, LP Interests (423 HAR, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						750
Gross Reductions						0
Ending balance		750				750
Fair value		750				750				0
Investment, Identifier [Axis]: AAC Holdings, Inc., Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						0		(1,279)
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0	[7]	2,079
Gross Additions						0		0
Gross Reductions						0		1,279
Ending balance		0	[8]	800		0	[8]	800
Fair value		$ 0	[8]	$ 800		0	[8]	$ 800		$ 0	[7]
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate				18.00%				18.00%		18.00%	[7]
PIK Rate				8.00%				8.00%		18.00%	[7]
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								(150)
Amount of Interest, Fees or Dividends Credited to Income								970
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						$ 11,550	[7]	9,794
Gross Additions								296
Gross Reductions								0
Ending balance				$ 10,090				10,090
Fair value				10,090				10,090		$ 11,550	[7]
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[8]	18.00%				18.00%
PIK Rate	[8]	18.00%				18.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(16)
Amount of Interest, Fees or Dividends Credited to Income						27
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						376
Gross Reductions						16
Ending balance	[8]	$ 360				360
Fair value		$ 360	[8]			$ 360	[8]			0
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[8]	18.00%				18.00%
PIK Rate	[8]	18.00%				18.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(558)
Amount of Interest, Fees or Dividends Credited to Income						1,149
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						11,550
Gross Additions						1,149
Gross Reductions						558
Ending balance	[8]	$ 12,141				12,141
Fair value		12,141	[8]			12,141	[8]			11,550
Investment, Identifier [Axis]: AAC Holdings, Inc., Warrants
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						0		(1,200)
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0	[7],[9]	1,940
Gross Additions						0		0
Gross Reductions						0		1,200
Ending balance		0	[8],[10]	740		0	[8],[10]	740
Fair value		$ 0	[8],[10]	740		$ 0	[8],[10]	740		$ 0	[7],[9]
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.00%	[11],[12],[13]			5.00%	[11],[12],[13]			6.00%	[14],[15],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[17]					$ (39)
Ending balance	[11],[12],[13]	$ (68)				(68)
Fair value		$ (68)	[11],[12],[13]			$ (68)	[11],[12],[13]			$ (39)	[14],[15],[16],[17]
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[15],[16]									10.20%
Spread		6.00%	[11],[12],[13],[18]			6.00%	[11],[12],[13],[18]			6.00%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 741
Ending balance	[11],[12],[13],[18]	$ 0				0
Fair value		$ 0	[11],[12],[13],[18]			$ 0	[11],[12],[13],[18]			$ 741	[14],[15],[16]
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.20%	[11],[12],[18]			11.20%	[11],[12],[18]			10.58%	[14],[15],[16]
Spread		6.00%	[11],[12],[18]			6.00%	[11],[12],[18]			6.00%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 17,052
Ending balance	[11],[12],[18]	$ 21,296				21,296
Fair value		$ 21,296	[11],[12],[18]			$ 21,296	[11],[12],[18]			$ 17,052	[14],[15],[16]
Investment, Identifier [Axis]: ADS Tactical, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.94%	[8],[12],[18]			10.94%	[8],[12],[18]			10.14%	[7],[16]
Spread		5.75%	[8],[12],[18]			5.75%	[8],[12],[18]			5.75%	[7],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]					$ 18,969
Ending balance	[8],[12],[18]	$ 19,492				19,492
Fair value		19,492	[8],[12],[18]			19,492	[8],[12],[18]			$ 18,969	[7],[16]
Investment, Identifier [Axis]: AFG Capital Group, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						7,200		0
Amount of Unrealized Gain/(Loss)						(8,200)		1,040
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						9,400	[19]	7,740
Gross Additions						7,200		1,040
Gross Reductions						16,600		0
Ending balance		0		8,780		0		8,780
Fair value		0		$ 8,780		0		$ 8,780		9,400	[19]
Investment, Identifier [Axis]: AFG Capital Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				10.00%				10.00%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								0
Amount of Interest, Fees or Dividends Credited to Income								2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								144
Gross Additions								0
Gross Reductions								144
Ending balance				$ 0				0
Fair value				0				0
Investment, Identifier [Axis]: AMEREQUIP LLC., Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					1,779
Ending balance	[11],[20]	1,930				1,930
Fair value		$ 1,930	[11],[20]			$ 1,930	[11],[20]			$ 1,779	[14]
Investment, Identifier [Axis]: AMEREQUIP LLC., Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.40%	[11],[12],[13],[18]			7.40%	[11],[12],[13],[18]			7.40%	[14],[15],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[17]					$ (137)
Ending balance	[11],[12],[13],[18]	$ (122)				(122)
Fair value		$ (122)	[11],[12],[13],[18]			$ (122)	[11],[12],[13],[18]			$ (137)	[14],[15],[16],[17]
Investment, Identifier [Axis]: AMEREQUIP LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.70%	[11],[12],[18]			12.70%	[11],[12],[18]			11.72%	[14],[15],[16]
Spread		7.40%	[11],[12],[18]			7.40%	[11],[12],[18]			7.40%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 37,463
Ending balance	[11],[12],[18]	$ 37,264				37,264
Fair value		37,264	[11],[12],[18]			37,264	[11],[12],[18]			$ 37,463	[14],[15],[16]
Investment, Identifier [Axis]: ASC Interests, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						(384)		80
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						800		720
Gross Additions						94		80
Gross Reductions						384		0
Ending balance		510		800		510		800
Fair value		$ 510		$ 800		$ 510		$ 800		$ 800
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%		13.00%		13.00%		13.00%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						27		13
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						400		200
Gross Additions						0		0
Gross Reductions						0		30
Ending balance		$ 400		$ 170		400		170
Fair value		$ 400		$ 170		$ 400		$ 170		$ 400
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%		13.00%		13.00%		13.00%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						(52)		0
Amount of Interest, Fees or Dividends Credited to Income						108		120
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,649		1,636
Gross Additions						0		12
Gross Reductions						52		0
Ending balance		$ 1,597		$ 1,648		1,597		1,648
Fair value		1,597		$ 1,648		1,597		$ 1,648		$ 1,649
Investment, Identifier [Axis]: ATS Operating, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					660
Ending balance	[11]	660				660
Fair value		$ 660	[11]			$ 660	[11]			$ 660	[14]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[12],[18]	11.75%				11.75%
Spread		6.50%	[11],[12],[18]			6.50%	[11],[12],[18]			5.50%	[14],[15],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[17]					$ 0
Ending balance	[11],[12],[18]	$ 720				720
Fair value		$ 720	[11],[12],[18]			$ 720	[11],[12],[18]			$ 0	[14],[15],[16],[17]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.65%	[11],[12],[18]			10.65%	[11],[12],[18]			9.32%	[14],[15],[16]
Spread		5.50%	[11],[12],[18]			5.50%	[11],[12],[18]			5.50%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 6,582
Ending balance	[11],[12],[18]	$ 6,660				6,660
Fair value		$ 6,660	[11],[12],[18]			$ 6,660	[11],[12],[18]			$ 6,582	[14],[15],[16]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.65%	[11],[12],[18]			12.65%	[11],[12],[18]			11.32%	[14],[15],[16]
Spread		7.50%	[11],[12],[18]			7.50%	[11],[12],[18]			7.50%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 6,593
Ending balance	[11],[12],[18]	$ 6,660				6,660
Fair value		6,660	[11],[12],[18]			6,660	[11],[12],[18]			$ 6,593	[14],[15],[16]
Investment, Identifier [Axis]: ATS Workholding, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					0
Gross Additions						0
Gross Reductions						0
Ending balance	[11]	0				0
Fair value		$ 0	[11]			$ 0	[11]			$ 0	[14]
Investment, Identifier [Axis]: ATS Workholding, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				5.00%				5.00%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								0
Amount of Interest, Fees or Dividends Credited to Income								0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								3,005
Gross Additions								0
Gross Reductions								66
Ending balance				$ 2,939				2,939
Fair value				$ 2,939				$ 2,939
Investment, Identifier [Axis]: ATS Workholding, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		5.00%	[11],[21]			5.00%	[11],[21]			5.00%	[14],[22]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(277)
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[22]					634
Gross Additions						126
Gross Reductions						277
Ending balance	[11],[21]	$ 483				483
Fair value		$ 483	[11],[21]			$ 483	[11],[21]			$ 634	[14],[22]
Investment, Identifier [Axis]: ATS Workholding, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		5.00%	[11],[21]			5.00%	[11],[21]			5.00%	[14],[22]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(286)
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[22]					1,005
Gross Additions						0
Gross Reductions						286
Ending balance	[11],[21]	$ 719				719
Fair value		719	[11],[21]			719	[11],[21]			$ 1,005	[14],[22]
Investment, Identifier [Axis]: ATX Networks Corp., Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						3,248
Amount of Unrealized Gain/(Loss)						(3,270)
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]					3,270
Gross Additions						3,248
Gross Reductions						6,518
Ending balance		0				0
Fair value		$ 0				$ 0				$ 3,270	[7]
Investment, Identifier [Axis]: ATX Networks Corp., Secured Debt
Schedule of Investments [Line Items]
Total Rate				8.92%				8.92%		12.23%	[7],[16]
Spread		7.50%		7.50%		7.50%		7.50%		7.50%	[7],[16]
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						(134)		(309)
Amount of Interest, Fees or Dividends Credited to Income						886		388
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						6,343	[7],[16]	7,092
Gross Additions						575		228
Gross Reductions						6,918		1,133
Ending balance		$ 0		$ 6,187		0		6,187
Fair value		0		$ 6,187		0		$ 6,187		$ 6,343	[7],[16]
Investment, Identifier [Axis]: ATX Networks Corp., Unsecured Debt
Schedule of Investments [Line Items]
Total Rate				10.00%				10.00%		10.00%	[7]
PIK Rate				10.00%				10.00%		10.00%	[7]
Amount of Realized Gain/(Loss)						0		$ 0
Amount of Unrealized Gain/(Loss)						(306)		120
Amount of Interest, Fees or Dividends Credited to Income						1,160		159
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						2,598	[7]	1,963
Gross Additions						1,160		437
Gross Reductions						3,758		158
Ending balance		0		$ 2,242		0		2,242
Fair value		0		2,242		0		2,242		$ 2,598	[7]
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					406
Ending balance	[11]	1,011				1,011
Fair value		$ 1,011	[11]			$ 1,011	[11]			$ 406	[14]
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[12],[18]	12.63%				12.63%
Spread		7.25%	[11],[12],[18]			7.25%	[11],[12],[18]			7.25%	[14],[15],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[17]					$ (57)
Ending balance	[11],[12],[18]	$ 1,425				1,425
Fair value		$ 1,425	[11],[12],[18]			$ 1,425	[11],[12],[18]			$ (57)	[14],[15],[16],[17]
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.65%	[11],[12],[18]			12.65%	[11],[12],[18]			12.17%	[14],[15],[16]
Spread		7.25%	[11],[12],[18]			7.25%	[11],[12],[18]			7.25%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 27,927
Ending balance	[11],[12],[18]	$ 18,714				18,714
Fair value		$ 18,714	[11],[12],[18]			$ 18,714	[11],[12],[18]			$ 27,927	[14],[15],[16]
Investment, Identifier [Axis]: Acousti Engineering Company of Florida, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.75%	[11],[12]			15.75%	[11],[12]			13.23%	[14],[16]
Spread		7.50%	[11],[12]			7.50%	[11],[12]			8.50%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 1,678
Ending balance	[11],[12]	$ 1,678				1,678
Fair value		$ 1,678	[11],[12]			$ 1,678	[11],[12]			$ 1,678	[14],[16]
Investment, Identifier [Axis]: Acousti Engineering Company of Florida, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.75%	[11],[12]			15.75%	[11],[12]			13.23%	[14],[16]
Spread		7.50%	[11],[12]			7.50%	[11],[12]			8.50%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 9,891
Ending balance	[11],[12]	$ 9,620				9,620
Fair value		$ 9,620	[11],[12]			$ 9,620	[11],[12]			$ 9,891	[14],[16]
Investment, Identifier [Axis]: Acousti Engineering Company of Florida, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		19.75%	[11],[12]			19.75%	[11],[12]			16.17%	[14],[16]
Spread		11.50%	[11],[12]			11.50%	[11],[12]			12.50%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 807
Ending balance	[11],[12]	$ 785				785
Fair value		$ 785	[11],[12]			$ 785	[11],[12]			$ 807	[14],[16]
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[16]									13.88%
Spread		7.50%	[11],[12],[13],[18]			7.50%	[11],[12],[13],[18]			9.50%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 14,618
Ending balance	[11],[12],[13],[18]	$ (30)				(30)
Fair value		$ (30)	[11],[12],[13],[18]			$ (30)	[11],[12],[13],[18]			$ 14,618	[14],[16]
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.85%	[11],[12],[18]			12.85%	[11],[12],[18]			13.57%	[14],[16]
Spread		7.50%	[11],[12],[18]			7.50%	[11],[12],[18]			9.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 4,368
Ending balance	[11],[12],[18]	$ 43,162				43,162
Fair value		43,162	[11],[12],[18]			43,162	[11],[12],[18]			$ 4,368	[14],[16]
Investment, Identifier [Axis]: Acumera, Inc., Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[23]	0				0
Fair value	[11],[23]	$ 0				$ 0
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.00%	[11],[12],[18],[24]			10.00%	[11],[12],[18],[24]			10.00%	[14],[16],[25]
Spread		7.00%	[11],[12],[18],[24]			7.00%	[11],[12],[18],[24]			6.00%	[14],[16],[25]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[25]					$ 4,729
Ending balance	[11],[12],[18],[24]	$ 6,976				6,976
Fair value		$ 6,976	[11],[12],[18],[24]			$ 6,976	[11],[12],[18],[24]			$ 4,729	[14],[16],[25]
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%	[11],[12],[18],[24]			10.00%	[11],[12],[18],[24]			10.00%	[14],[16],[25]
Spread		7.00%	[11],[12],[18],[24]			7.00%	[11],[12],[18],[24]			7.50%	[14],[16],[25]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[25]					$ 24,086
Ending balance	[11],[12],[18],[24]	$ 22,383				22,383
Fair value		$ 22,383	[11],[12],[18],[24]			$ 22,383	[11],[12],[18],[24]			$ 24,086	[14],[16],[25]
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[11],[12],[13]			6.00%	[11],[12],[13]			6.00%	[14],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[17]					$ (10)
Ending balance	[11],[12],[13]	$ (9)				(9)
Fair value		$ (9)	[11],[12],[13]			$ (9)	[11],[12],[13]			$ (10)	[14],[16],[17]
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.43%	[11],[12]			11.43%	[11],[12]			11.12%	[14],[16]
Spread		6.00%	[11],[12]			6.00%	[11],[12]			6.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 6,617
Ending balance	[11],[12]	$ 6,583				6,583
Fair value		$ 6,583	[11],[12]			$ 6,583	[11],[12]			$ 6,617	[14],[16]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.79%	[11],[12],[18]			11.79%	[11],[12],[18]			10.46%	[14],[15],[16]
Spread		6.75%	[11],[12],[18]			6.75%	[11],[12],[18]			6.75%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 14,606
Ending balance	[11],[12],[18]	$ 12,216				12,216
Fair value		$ 12,216	[11],[12],[18]			$ 12,216	[11],[12],[18]			$ 14,606	[14],[15],[16]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.79%	[11],[12],[18],[21]			14.79%	[11],[12],[18],[21]			12.46%	[14],[15],[16]
Spread		8.75%	[11],[12],[18],[21]			8.75%	[11],[12],[18],[21]			8.75%	[14],[15],[16]
PIK Rate	[11],[12],[18],[21]	1.00%				1.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 14,654
Ending balance	[11],[12],[18],[21]	$ 10,618				10,618
Fair value		$ 10,618	[11],[12],[18],[21]			$ 10,618	[11],[12],[18],[21]			$ 14,654	[14],[15],[16]
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		7.50%	[8],[21],[26]			7.50%	[8],[21],[26]			7.50%	[7],[22]
Spread		6.50%	[8],[21],[26]			6.50%	[8],[21],[26]			6.50%	[7],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[22]					$ 168
Ending balance	[8],[21],[26]	$ 135				135
Fair value		$ 135	[8],[21],[26]			$ 135	[8],[21],[26]			$ 168	[7],[22]
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		7.50%	[8],[12],[21],[26]			7.50%	[8],[12],[21],[26]			7.50%	[7],[16],[22]
Spread		6.50%	[8],[12],[21],[26]			6.50%	[8],[12],[21],[26]			6.50%	[7],[16],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16],[22]					$ 808
Ending balance	[8],[12],[21],[26]	$ 647				647
Fair value		647	[8],[12],[21],[26]			647	[8],[12],[21],[26]			$ 808	[7],[16],[22]
Investment, Identifier [Axis]: Amounts related to investments transferred to or from other 1940 Act classification during the period, Affiliate Investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						0		139
Amount of Interest, Fees or Dividends Credited to Income						171		1,302
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						14,914		32,597
Gross Additions						0		0
Gross Reductions						0		0
Ending balance		0		0		0		0
Fair value		0		0		0		0		14,914
Investment, Identifier [Axis]: Amounts related to investments transferred to or from other 1940 Act classification during the period, Control Investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						(171)		57
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						(14,914)		41,748
Gross Additions						0		0
Gross Reductions						0		0
Ending balance		0		0		0		0
Fair value		$ 0		0		$ 0		0		$ (14,914)
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)								0
Amount of Unrealized Gain/(Loss)								(576)
Amount of Interest, Fees or Dividends Credited to Income								0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								4,894
Gross Additions								0
Gross Reductions								576
Ending balance				4,318				4,318
Fair value				$ 4,318				$ 4,318
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Total Rate		14.13%				14.13%				14.13%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						0
Gross Reductions						0
Ending balance		$ 0				0
Fair value		0				0				$ 0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						566
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						3,504
Gross Additions						566
Gross Reductions						0
Ending balance		4,070				4,070
Fair value		$ 4,070				$ 4,070				$ 3,504
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%				12.00%
Spread				10.00%				10.00%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								0
Amount of Interest, Fees or Dividends Credited to Income								339
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								4,736
Gross Additions								45
Gross Reductions								140
Ending balance				$ 4,641				4,641
Fair value				4,641				4,641
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		10.00%	[12],[13]			10.00%	[12],[13]			10.00%	[16],[17]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16],[17]					(3)
Gross Additions						1
Gross Reductions						0
Ending balance	[12],[13]	$ (2)				(2)
Fair value		$ (2)	[12],[13]			$ (2)	[12],[13]			$ (3)	[16],[17]
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.25%	[12]			15.25%	[12]			14.13%	[16]
Spread		10.00%	[12]			10.00%	[12]			10.00%	[16]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						379
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]					4,545
Gross Additions						39
Gross Reductions						140
Ending balance	[12]	$ 4,444				4,444
Fair value		4,444	[12]			4,444	[12]			$ 4,545	[16]
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Warrants
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[9]					0
Gross Additions						0
Gross Reductions						0
Ending balance	[10]	0				0
Fair value		0	[10]			0	[10]			0	[9]
Investment, Identifier [Axis]: ArborWorks, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					0
Ending balance	[11]	0				0
Fair value		$ 0	[11]			$ 0	[11]			$ 0	[14]
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.25%	[11],[12],[18]			15.25%	[11],[12],[18]			13.41%	[14],[16]
Spread		7.00%	[11],[12],[18]			7.00%	[11],[12],[18]			9.00%	[14],[16]
PIK Rate	[11],[12],[18]	3.00%				3.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 3,945
Ending balance	[11],[12],[18]	$ 3,799				3,799
Fair value		$ 3,799	[11],[12],[18]			$ 3,799	[11],[12],[18]			$ 3,945	[14],[16]
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.23%	[11],[12],[18]			15.23%	[11],[12],[18]			13.56%	[14],[16]
Spread		7.00%	[11],[12],[18]			7.00%	[11],[12],[18]			9.00%	[14],[16]
PIK Rate	[11],[12],[18]	14.40%				14.40%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 25,065
Ending balance	[11],[12],[18]	$ 22,962				22,962
Fair value		22,962	[11],[12],[18]			22,962	[11],[12],[18]			$ 25,065	[14],[16]
Investment, Identifier [Axis]: Archer Systems, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					1,388
Ending balance	[11]	1,940				1,940
Fair value		$ 1,940	[11]			$ 1,940	[11]			$ 1,388	[14]
Investment, Identifier [Axis]: Archer Systems, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[11],[12],[13],[18]			6.00%	[11],[12],[13],[18]			6.50%	[14],[15],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[17]					$ (135)
Ending balance	[11],[12],[13],[18]	$ (121)				(121)
Fair value		$ (121)	[11],[12],[13],[18]			$ (121)	[11],[12],[13],[18]			$ (135)	[14],[15],[16],[17]
Investment, Identifier [Axis]: Archer Systems, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.39%	[11],[12],[18]			11.39%	[11],[12],[18]			10.92%	[14],[15],[16]
Spread		6.00%	[11],[12],[18]			6.00%	[11],[12],[18]			6.50%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 66,511
Ending balance	[11],[12],[18]	$ 52,846				52,846
Fair value		52,846	[11],[12],[18]			52,846	[11],[12],[18]			$ 66,511	[14],[15],[16]
Investment, Identifier [Axis]: Arrow International, Inc, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[14],[15],[16],[27]									10.36%
Spread	[14],[15],[16],[27]									6.60%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[27]					36,000
Fair value	[14],[15],[16],[27]									$ 36,000
Investment, Identifier [Axis]: BBB Tank Services, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0		0
Gross Additions						0		0
Gross Reductions						0		0
Ending balance		0		0		0		0
Fair value		$ 0		0		$ 0		0		$ 0
Investment, Identifier [Axis]: BBB Tank Services, LLC, Preferred Stock (non-voting)
Schedule of Investments [Line Items]
Total Rate		15.00%				15.00%				15.00%
Amount of Realized Gain/(Loss)						$ 0		0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0		0
Gross Additions						0		0
Gross Reductions						0		0
Ending balance		$ 0		0		0		0
Fair value		$ 0		$ 0		$ 0		$ 0		$ 0
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt
Schedule of Investments [Line Items]
Total Rate				12.06%				12.06%
Spread				11.00%				11.00%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								(209)
Amount of Interest, Fees or Dividends Credited to Income								290
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								2,507
Gross Additions								0
Gross Reductions								209
Ending balance				$ 2,298				2,298
Fair value				2,298				2,298
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt 1
Schedule of Investments [Line Items]
Total Rate		16.17%	[12],[26]			16.17%	[12],[26]			15.12%	[16],[28]
Spread		11.00%	[12],[26]			11.00%	[12],[26]			11.00%	[16],[28]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						63
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16],[28]					800
Gross Additions						0
Gross Reductions						0
Ending balance	[12],[26]	$ 800				800
Fair value		$ 800	[12],[26]			$ 800	[12],[26]			$ 800	[16],[28]
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt 2
Schedule of Investments [Line Items]
Total Rate		16.17%	[12],[26]			16.17%	[12],[26]			15.12%	[16],[28]
Spread		11.00%	[12],[26]			11.00%	[12],[26]			11.00%	[16],[28]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						116
Amount of Interest, Fees or Dividends Credited to Income						317
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16],[28]					2,086
Gross Additions						116
Gross Reductions						0
Ending balance	[12],[26]	$ 2,202				2,202
Fair value		2,202	[12],[26]			2,202	[12],[26]			$ 2,086	[16],[28]
Investment, Identifier [Axis]: Barfly Ventures, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						(280)		470
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						3,320	[14]	1,930
Gross Additions						0		470
Gross Reductions						280		0
Ending balance		3,040	[11]	2,400		3,040	[11]	2,400
Fair value		$ 3,040	[11]	$ 2,400		$ 3,040	[11]	$ 2,400		$ 3,320	[14]
Investment, Identifier [Axis]: Barfly Ventures, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		7.00%	[11]	7.00%		7.00%	[11]	7.00%		7.00%	[14]
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						44		25
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						711	[14]	711
Gross Additions						0		0
Gross Reductions						0		0
Ending balance		$ 711	[11]	$ 711		711	[11]	711
Fair value		711	[11]	711		711	[11]	711		$ 711	[14]
Investment, Identifier [Axis]: Batjer TopCo, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)								0
Amount of Unrealized Gain/(Loss)								0
Amount of Interest, Fees or Dividends Credited to Income								0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								0
Gross Additions								4,073
Gross Reductions								0
Ending balance				4,073				4,073
Fair value				$ 4,073				$ 4,073
Investment, Identifier [Axis]: Batjer TopCo, LLC, Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						2,055
Amount of Interest, Fees or Dividends Credited to Income						574
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[19]					4,095
Gross Additions						2,055
Gross Reductions						0
Ending balance	[20]	6,150				6,150
Fair value		6,150	[20]			6,150	[20]			4,095	[19]
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				11.00%				11.00%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								0
Amount of Interest, Fees or Dividends Credited to Income								512
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								0
Gross Additions								11,372
Gross Reductions								459
Ending balance				$ 10,913				10,913
Fair value				10,913				10,913
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						7
Amount of Interest, Fees or Dividends Credited to Income						1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17]					(8)
Gross Additions						8
Gross Reductions						0
Ending balance	[13]	0				0
Fair value		$ 0	[13]			$ 0	[13]			(8)	[17]
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%				10.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17]					$ 0
Ending balance		$ 10,575				10,575
Fair value		10,575				10,575				0	[17]
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						0
Gross Reductions						0
Ending balance		0				0
Fair value		$ 0				$ 0				$ 0
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.00%				10.00%				11.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						78
Amount of Interest, Fees or Dividends Credited to Income						583
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						10,933
Gross Additions						92
Gross Reductions						450
Ending balance		$ 10,575				10,575
Fair value		10,575				10,575				$ 10,933
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 1
Schedule of Investments [Line Items]
Total Rate	[14],[19],[29]									8.00%
PIK Rate	[14],[19],[29]									8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[19],[29]					4,561
Ending balance	[11],[20],[30]	3,940				3,940
Fair value		3,940	[11],[20],[30]			3,940	[11],[20],[30]			$ 4,561	[14],[19],[29]
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 2
Schedule of Investments [Line Items]
PIK Rate	[14],[17],[19],[29]									16.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[17],[19],[29]					270
Ending balance	[11],[20],[30]	310				310
Fair value		$ 310	[11],[20],[30]			310	[11],[20],[30]			$ 270	[14],[17],[19],[29]
Investment, Identifier [Axis]: Berry Aviation, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[14]									12.00%
PIK Rate	[14]									1.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					$ 195
Fair value	[14]									$ 195
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.00%	[11],[12],[13],[18]			7.00%	[11],[12],[13],[18]			1.00%	[14],[15],[16],[17]
PIK Rate	[14],[15],[16],[17]									6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[17]					$ (76)
Ending balance	[11],[12],[13],[18]	$ (69)				(69)
Fair value		$ (69)	[11],[12],[13],[18]			$ (69)	[11],[12],[13],[18]			$ (76)	[14],[15],[16],[17]
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.26%	[11],[12],[18]			12.26%	[11],[12],[18]			11.40%	[14],[15],[16]
Spread		7.00%	[11],[12],[18]			7.00%	[11],[12],[18]			1.00%	[14],[15],[16]
PIK Rate		6.00%	[11],[12],[18]			6.00%	[11],[12],[18]			6.00%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 27,505
Ending balance	[11],[12],[18]	$ 28,345				28,345
Fair value		28,345	[11],[12],[18]			28,345	[11],[12],[18]			$ 27,505	[14],[15],[16]
Investment, Identifier [Axis]: Binswanger Enterprises, LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					420
Ending balance	[11]	180				180
Fair value		180	[11]			180	[11]			420	[14]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[19]					4,860
Ending balance	[8]	2,265				2,265
Fair value		$ 2,265	[8]			$ 2,265	[8]			$ 4,860	[7],[19]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[8],[12]	15.75%				15.75%
Spread		7.50%	[8],[12]			7.50%	[8],[12]			8.50%	[7],[16],[17]
PIK Rate	[8],[12]	14.75%				14.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16],[17]					$ 0
Ending balance	[8],[12]	$ 1,333				1,333
Fair value		$ 1,333	[8],[12]			$ 1,333	[8],[12]			$ 0	[7],[16],[17]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.77%	[8],[12],[18]			13.77%	[8],[12],[18]			12.94%	[7],[16]
Spread		8.50%	[8],[12],[18]			8.50%	[8],[12],[18]			8.50%	[7],[16]
PIK Rate	[8],[12],[18]	12.77%				12.77%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]					$ 3,139
Ending balance	[8],[12],[18]	$ 3,210				3,210
Fair value		3,210	[8],[12],[18]			3,210	[8],[12],[18]			$ 3,139	[7],[16]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[9]					1,095
Ending balance	[8],[10]	510				510
Fair value		510	[8],[10]			510	[8],[10]			1,095	[7],[9]
Investment, Identifier [Axis]: Boccella Precast Products LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						(620)		(320)
Amount of Interest, Fees or Dividends Credited to Income						41		70
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						2,970	[19]	4,830
Gross Additions						0		0
Gross Reductions						620		320
Ending balance		2,350		4,510		2,350		4,510
Fair value		$ 2,350		$ 4,510		$ 2,350		$ 4,510		$ 2,970	[19]
Investment, Identifier [Axis]: Boccella Precast Products LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%		10.00%		10.00%		10.00%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						16		16
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						320		320
Gross Additions						0		0
Gross Reductions						0		0
Ending balance		$ 320		$ 320		320		320
Fair value		$ 320		320		$ 320		320		$ 320
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Class B Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		8.00%	[20]			8.00%	[20]			8.00%	[19]
Amount of Realized Gain/(Loss)						$ 0		0
Amount of Unrealized Gain/(Loss)						(300)		2,760
Amount of Interest, Fees or Dividends Credited to Income						2,137		276
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						31,420	[19]	23,170
Gross Additions						0		2,760
Gross Reductions						300		0
Ending balance		$ 31,120	[20]	25,930		31,120	[20]	25,930
Fair value		$ 31,120	[20]	$ 25,930		$ 31,120	[20]	$ 25,930		$ 31,420	[19]
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.37%	[12],[18],[31]	10.50%		14.37%	[12],[18],[31]	10.50%		13.39%	[15],[16],[32]
Spread		9.19%	[12],[18],[31]	9.00%		9.19%	[12],[18],[31]	9.00%		9.26%	[15],[16],[32]
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								(39)
Amount of Interest, Fees or Dividends Credited to Income								2,491
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						$ 99,194	[15],[16],[32]	39,000
Gross Additions								10,233
Gross Reductions								39
Ending balance		$ 97,875	[12],[18],[31]	$ 49,194		97,875	[12],[18],[31]	49,194
Fair value		97,875	[12],[18],[31]	49,194		97,875	[12],[18],[31]	49,194		$ 99,194	[15],[16],[32]
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						0
Gross Reductions						0
Ending balance		0				0
Fair value		$ 0				$ 0				0
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.37%				14.37%
Spread		9.19%				9.19%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(71)
Amount of Interest, Fees or Dividends Credited to Income						6,976
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						99,194
Gross Additions						71
Gross Reductions						1,390
Ending balance		$ 97,875				97,875
Fair value		97,875				97,875				$ 99,194
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[33],[34]	571				571
Fair value	[11],[33],[34]	$ 571				$ 571
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13],[18],[33],[34]	7.00%				7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13],[18],[33],[34]	$ (28)				$ (28)
Fair value	[11],[12],[13],[18],[33],[34]	$ (28)				$ (28)
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[12],[18],[33],[34]	11.19%				11.19%
Spread	[11],[12],[18],[33],[34]	6.00%				6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[18],[33],[34]	$ 6,297				$ 6,297
Fair value	[11],[12],[18],[33],[34]	$ 6,297				$ 6,297
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[12],[18],[33],[34]	13.19%				13.19%
Spread	[11],[12],[18],[33],[34]	8.00%				8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[18],[33],[34]	$ 6,297				$ 6,297
Fair value	[11],[12],[18],[33],[34]	$ 6,297				$ 6,297
Investment, Identifier [Axis]: Brainworks Software, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.50%	[11],[12],[21],[26]			12.50%	[11],[12],[21],[26]			12.50%	[14],[16],[22],[28]
Spread		9.25%	[11],[12],[21],[26]			9.25%	[11],[12],[21],[26]			9.25%	[14],[16],[22],[28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[22],[28]					$ 761
Ending balance	[11],[12],[21],[26]	$ 761				761
Fair value		$ 761	[11],[12],[21],[26]			$ 761	[11],[12],[21],[26]			$ 761	[14],[16],[22],[28]
Investment, Identifier [Axis]: Brainworks Software, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%	[11],[12],[21],[26]			12.50%	[11],[12],[21],[26]			12.50%	[14],[16],[22],[28]
Spread		9.25%	[11],[12],[21],[26]			9.25%	[11],[12],[21],[26]			9.25%	[14],[16],[22],[28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[22],[28]					$ 2,916
Ending balance	[11],[12],[21],[26]	$ 1,382				1,382
Fair value		1,382	[11],[12],[21],[26]			1,382	[11],[12],[21],[26]			$ 2,916	[14],[16],[22],[28]
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						(720)		(660)
Amount of Interest, Fees or Dividends Credited to Income						60		530
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						7,080	[19]	7,710
Gross Additions						0		0
Gross Reductions						720		660
Ending balance		6,360	[20]	7,050		6,360	[20]	7,050
Fair value		$ 6,360	[20]	$ 7,050		$ 6,360	[20]	$ 7,050		$ 7,080	[19]
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		15.17%	[12]	11.06%		15.17%	[12]	11.06%		14.12%	[16]
Spread		10.00%	[12]	10.00%		10.00%	[12]	10.00%		10.00%	[16]
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						(63)		0
Amount of Interest, Fees or Dividends Credited to Income						429		448
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						5,964	[16]	8,037
Gross Additions						0		12
Gross Reductions						311		248
Ending balance		$ 5,653	[12]	$ 7,801		5,653	[12]	7,801
Fair value		5,653	[12]	7,801		5,653	[12]	7,801		$ 5,964	[16]
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						50		50
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,000	[19],[29]	1,000
Gross Additions						0		0
Gross Reductions						0		0
Ending balance		1,000		1,000		1,000		1,000
Fair value		1,000		$ 1,000		1,000		$ 1,000		$ 1,000	[19],[29]
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Preferred Member Units 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[20],[30]	1,000				1,000
Fair value	[20],[30]	$ 1,000				$ 1,000
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%		13.00%		13.00%		13.00%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						576		576
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						8,813		8,813
Gross Additions						0		0
Gross Reductions						0		0
Ending balance		$ 8,813		$ 8,813		8,813		8,813
Fair value		$ 8,813		$ 8,813		$ 8,813		$ 8,813		$ 8,813
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%	[30]	13.00%		13.00%	[30]	13.00%		13.00%	[29]
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						65		65
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,000	[29]	1,000
Gross Additions						0		0
Gross Reductions						0		0
Ending balance		$ 1,000	[30]	$ 1,000		1,000	[30]	1,000
Fair value		1,000	[30]	1,000		1,000	[30]	1,000		$ 1,000	[29]
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Warrants
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)								0
Amount of Unrealized Gain/(Loss)								200
Amount of Interest, Fees or Dividends Credited to Income								0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						4,340	[9]	4,060
Gross Additions								200
Gross Reductions								0
Ending balance		4,450	[10]	4,260		4,450	[10]	4,260
Fair value		4,450	[10]	$ 4,260		4,450	[10]	$ 4,260		4,340	[9]
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Warrants 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						46
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,828
Gross Additions						46
Gross Reductions						0
Ending balance		1,874				1,874
Fair value		1,874				1,874				1,828
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Warrants 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						64
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						2,512
Gross Additions						64
Gross Reductions						0
Ending balance		2,576				2,576
Fair value		2,576				2,576				2,512
Investment, Identifier [Axis]: Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund III, LP)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[19],[35],[36],[37]					4,727
Ending balance	[33],[38],[39]	4,586				4,586
Fair value		4,586	[33],[38],[39]			4,586	[33],[38],[39]			4,727	[19],[35],[36],[37]
Investment, Identifier [Axis]: Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund IV, LP)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[19],[35],[36],[37]					4,541
Ending balance	[20],[33],[38],[39]	4,589				4,589
Fair value		4,589	[20],[33],[38],[39]			4,589	[20],[33],[38],[39]			4,541	[19],[35],[36],[37]
Investment, Identifier [Axis]: Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund V, LP)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[35],[36],[37]					2,229
Ending balance	[20],[33],[38],[39]	2,331				2,331
Fair value		$ 2,331	[20],[33],[38],[39]			$ 2,331	[20],[33],[38],[39]			$ 2,229	[35],[36],[37]
Investment, Identifier [Axis]: Buca C, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		6.00%				6.00%				6.00%
PIK Rate		6.00%				6.00%				6.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						0
Gross Reductions						0
Ending balance		$ 0				0
Fair value		$ 0				$ 0				$ 0
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%		10.37%		12.00%		10.37%		9.00%
Spread				9.25%				9.25%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						1,044		1,036
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						12,337		14,370
Gross Additions						0		0
Gross Reductions						373		1,221
Ending balance		$ 11,964		$ 13,149		11,964		13,149
Fair value		$ 11,964		13,149		$ 11,964		13,149		$ 12,337
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[12],[18]	10.20%				10.20%
Spread		5.00%	[11],[12],[18]			5.00%	[11],[12],[18]			5.00%	[14],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[17]					$ 0
Ending balance	[11],[12],[18]	$ 774				774
Fair value		$ 774	[11],[12],[18]			$ 774	[11],[12],[18]			$ 0	[14],[16],[17]
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.20%	[11],[12],[18]			10.20%	[11],[12],[18]			8.91%	[14],[16]
Spread		5.00%	[11],[12],[18]			5.00%	[11],[12],[18]			5.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 19,933
Ending balance	[11],[12],[18]	$ 19,782				19,782
Fair value		19,782	[11],[12],[18]			19,782	[11],[12],[18]			$ 19,933	[14],[16]
Investment, Identifier [Axis]: CAI Software LLC, Preferred Equity 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[19]					1,789
Ending balance		1,789				1,789
Fair value		1,789				1,789				1,789	[19]
Investment, Identifier [Axis]: CAI Software LLC, Preferred Equity 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Ending balance		0				0
Fair value		0				0				0
Investment, Identifier [Axis]: CBT Nuggets, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						1,570		(2,720)
Amount of Interest, Fees or Dividends Credited to Income						1,647		1,647
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						49,002	[19]	50,620
Gross Additions						1,568		0
Gross Reductions						0		2,720
Ending balance		50,570	[20]	47,900		50,570	[20]	47,900
Fair value		50,570	[20]	47,900		50,570	[20]	47,900		49,002	[19]
Investment, Identifier [Axis]: CMS Minerals Investments, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						99		0
Amount of Unrealized Gain/(Loss)						(366)		447
Amount of Interest, Fees or Dividends Credited to Income						44		69
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,670	[19],[29]	1,974
Gross Additions						99		447
Gross Reductions						1,769		147
Ending balance		0		2,274		0		2,274
Fair value		$ 0		2,274		0		2,274		$ 1,670	[19],[29]
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[14],[16],[40]									11.99%
Spread	[14],[16],[40]									8.50%
PIK Rate	[14],[16],[40]									0.01%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[40]					$ 28,328
Fair value	[14],[16],[40]									$ 28,328
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[12],[18]	13.91%				13.91%
Spread	[11],[12],[18]	6.50%				6.50%
PIK Rate	[11],[12],[18]	2.00%				2.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[18]	$ 5,044				$ 5,044
Fair value	[11],[12],[18]	$ 5,044				$ 5,044
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[12],[18]	13.91%				13.91%
Spread	[11],[12],[18]	6.50%				6.50%
PIK Rate	[11],[12],[18]	2.00%				2.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[18]	$ 1,569				$ 1,569
Fair value	[11],[12],[18]	$ 1,569				$ 1,569
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[12],[18]	13.91%				13.91%
Spread	[11],[12],[18]	6.50%				6.50%
PIK Rate	[11],[12],[18]	2.00%				2.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[18]	$ 2,064				$ 2,064
Fair value	[11],[12],[18]	$ 2,064				$ 2,064
Investment, Identifier [Axis]: Cadence Aerospace LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[11],[12],[18]	13.91%				13.91%
Spread	[11],[12],[18]	6.50%				6.50%
PIK Rate	[11],[12],[18]	2.00%				2.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[18]	$ 594				$ 594
Fair value	[11],[12],[18]	594				594
Investment, Identifier [Axis]: Café Brazil, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						(80)		(50)
Amount of Interest, Fees or Dividends Credited to Income						103		99
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						2,210	[19]	2,570
Gross Additions						0		0
Gross Reductions						80		50
Ending balance		2,130	[20]	2,520		2,130	[20]	2,520
Fair value		2,130	[20]	$ 2,520		2,130	[20]	$ 2,520		2,210	[19]
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Total Rate				15.00%				15.00%
PIK Rate				15.00%				15.00%
Amount of Realized Gain/(Loss)						0		$ 0
Amount of Unrealized Gain/(Loss)						(2,060)		0
Amount of Interest, Fees or Dividends Credited to Income						125		652
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						25,495	[19]	9,510
Gross Additions						0		652
Gross Reductions						2,060		6,449
Ending balance		23,435	[20]	$ 3,713		23,435	[20]	3,713
Fair value		$ 23,435	[20]	3,713		$ 23,435	[20]	3,713		$ 25,495	[19]
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Total Rate		15.00%	[20]			15.00%	[20]			15.00%	[19]
PIK Rate		15.00%	[20]			15.00%	[20]			15.00%	[19]
Amount of Realized Gain/(Loss)						$ 0		0
Amount of Unrealized Gain/(Loss)						0		6,020
Amount of Interest, Fees or Dividends Credited to Income						301		125
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						3,994	[19]	13,275
Gross Additions						301		6,020
Gross Reductions						0		0
Ending balance		$ 4,295	[20]	19,295		4,295	[20]	19,295
Fair value		$ 4,295	[20]	$ 19,295		$ 4,295	[20]	$ 19,295		$ 3,994	[19]
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		15.25%	[12]	11.00%		15.25%	[12]	11.00%		13.75%	[16]
Spread		10.00%	[12]	10.00%		10.00%	[12]	10.00%		10.00%	[16]
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						(7)		56
Amount of Interest, Fees or Dividends Credited to Income						2,127		1,578
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						28,000	[16]	27,915
Gross Additions						7		85
Gross Reductions						7		0
Ending balance		$ 28,000	[12]	$ 28,000		28,000	[12]	28,000
Fair value		$ 28,000	[12]	28,000		$ 28,000	[12]	28,000		$ 28,000	[16]
Investment, Identifier [Axis]: Camin Cargo Control, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.72%	[8],[12],[18]			11.72%	[8],[12],[18]			10.88%	[7],[16]
Spread		6.50%	[8],[12],[18]			6.50%	[8],[12],[18]			6.50%	[7],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]					$ 14,685
Ending balance	[8],[12],[18]	$ 14,608				14,608
Fair value		14,608	[8],[12],[18]			14,608	[8],[12],[18]			$ 14,685	[7],[16]
Investment, Identifier [Axis]: Career Team Holdings, LLC, Class A Common Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)								0
Amount of Unrealized Gain/(Loss)								0
Amount of Interest, Fees or Dividends Credited to Income								0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								4,499
Gross Additions								1
Gross Reductions								0
Ending balance				4,500				4,500
Fair value				$ 4,500				$ 4,500
Investment, Identifier [Axis]: Career Team Holdings, LLC, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						4,500
Gross Additions						0
Gross Reductions						0
Ending balance		4,500				4,500
Fair value		$ 4,500				$ 4,500				$ 4,500
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.50%				12.50%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								0
Amount of Interest, Fees or Dividends Credited to Income								1,296
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								20,050
Gross Additions								20
Gross Reductions								0
Ending balance				$ 20,070				20,070
Fair value				20,070				20,070
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[12]	11.25%				11.25%
Spread		6.00%	[12]			6.00%	[12]			6.00%	[16],[17]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						10
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16],[17]					(9)
Gross Additions						451
Gross Reductions						0
Ending balance	[12]	$ 442				442
Fair value		$ 442	[12]			$ 442	[12]			$ (9)	[16],[17]
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%				12.50%				12.50%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						1,293
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						20,090
Gross Additions						20
Gross Reductions						0
Ending balance		$ 20,110				20,110
Fair value		20,110				20,110				$ 20,090
Investment, Identifier [Axis]: CaseWorthy, Inc., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					246
Ending balance	[11]	246				246
Fair value		$ 246	[11]			$ 246	[11]			$ 246	[14]
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[11],[12],[13],[18]			6.00%	[11],[12],[13],[18]			6.00%	[14],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[17]					$ (11)
Ending balance	[11],[12],[13],[18]	$ (9)				(9)
Fair value		$ (9)	[11],[12],[13],[18]			$ (9)	[11],[12],[13],[18]			$ (11)	[14],[16],[17]
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.54%	[11],[12],[18]			11.54%	[11],[12],[18]			10.73%	[14],[16]
Spread		6.00%	[11],[12],[18]			6.00%	[11],[12],[18]			6.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 7,914
Ending balance	[11],[12],[18]	$ 7,973				7,973
Fair value		$ 7,973	[11],[12],[18]			$ 7,973	[11],[12],[18]			$ 7,914	[14],[16]
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.54%	[11],[12],[18]			11.54%	[11],[12],[18]			10.48%	[14],[16]
Spread		6.00%	[11],[12],[18]			6.00%	[11],[12],[18]			5.75%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 6,133
Ending balance	[11],[12],[18]	$ 6,133				6,133
Fair value		6,133	[11],[12],[18]			6,133	[11],[12],[18]			$ 6,133	[14],[16]
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						1,700		768
Amount of Interest, Fees or Dividends Credited to Income						60		60
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						8,700		5,840
Gross Additions						1,700		1,050
Gross Reductions						0		0
Ending balance		10,400		6,890		10,400		6,890
Fair value		$ 10,400		$ 6,890		$ 10,400		$ 6,890		$ 8,700
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%				12.00%
Spread				10.00%				10.00%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								507
Amount of Interest, Fees or Dividends Credited to Income								838
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								8,864
Gross Additions								7,903
Gross Reductions								1,826
Ending balance				$ 14,941				14,941
Fair value				14,941				14,941
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		9.00%	[12],[13]			9.00%	[12],[13]			9.00%	[16],[17]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						6
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16],[17]					0
Gross Additions						0
Gross Reductions						0
Ending balance	[12],[13]	$ 0				0
Fair value		$ 0	[12],[13]			$ 0	[12],[13]			$ 0	[16],[17]
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.25%	[12]			14.25%	[12]			13.13%	[16]
Spread		9.00%	[12]			9.00%	[12]			9.00%	[16]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						64
Amount of Interest, Fees or Dividends Credited to Income						1,058
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]					14,954
Gross Additions						76
Gross Reductions						0
Ending balance	[12]	$ 15,030				15,030
Fair value		15,030	[12]			15,030	[12]			$ 14,954	[16]
Investment, Identifier [Axis]: Chamberlin Holding LLC, Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						1,020		(1,630)
Amount of Interest, Fees or Dividends Credited to Income						1,491		348
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						22,920	[19]	24,140
Gross Additions						1,020		0
Gross Reductions						0		1,630
Ending balance		23,940	[20]	22,510		23,940	[20]	22,510
Fair value		23,940	[20]	22,510		23,940	[20]	22,510		22,920	[19]
Investment, Identifier [Axis]: Chamberlin Holding LLC, Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						120		0
Amount of Interest, Fees or Dividends Credited to Income						46		34
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						2,710	[19],[29]	1,540
Gross Additions						120		0
Gross Reductions						0		0
Ending balance		2,830	[20],[30]	1,540		2,830	[20],[30]	1,540
Fair value		$ 2,830	[20],[30]	$ 1,540		$ 2,830	[20],[30]	$ 1,540		$ 2,710	[19],[29]
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				9.13%				9.13%
Spread				8.00%				8.00%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								(35)
Amount of Interest, Fees or Dividends Credited to Income								845
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								17,817
Gross Additions								35
Gross Reductions								386
Ending balance				$ 17,466				17,466
Fair value				17,466				17,466
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[12],[13],[18]			6.00%	[12],[13],[18]			6.00%	[16],[17]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						77
Amount of Interest, Fees or Dividends Credited to Income						4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16],[17]					0
Gross Additions						0
Gross Reductions						0
Ending balance	[12],[13],[18]	$ 0				0
Fair value		$ 0	[12],[13],[18]			$ 0	[12],[13],[18]			$ 0	[16],[17]
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.36%	[12],[18]			13.36%	[12],[18]			12.13%	[16]
Spread		8.00%	[12],[18]			8.00%	[12],[18]			8.00%	[16]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(6)
Amount of Interest, Fees or Dividends Credited to Income						1,092
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]					16,945
Gross Additions						6
Gross Reductions						544
Ending balance	[12],[18]	$ 16,407				16,407
Fair value		16,407	[12],[18]			16,407	[12],[18]			$ 16,945	[16]
Investment, Identifier [Axis]: Chandler Signs Holdings, LLC, Class A Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						1,797		0
Amount of Unrealized Gain/(Loss)						(290)		160
Amount of Interest, Fees or Dividends Credited to Income						60		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,790	[14]	460
Gross Additions						1,797		160
Gross Reductions						3,587		0
Ending balance		0		620		0		620
Fair value		$ 0		620		$ 0		620		$ 1,790	[14]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.51%	[11],[12],[18],[41]			11.51%	[11],[12],[18],[41]			10.72%	[14],[15],[16],[42]
Spread		6.25%	[11],[12],[18],[41]			6.25%	[11],[12],[18],[41]			6.25%	[14],[15],[16],[42]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[42]					$ 1,841
Ending balance	[11],[12],[18],[41]	$ 3,877				3,877
Fair value		$ 3,877	[11],[12],[18],[41]			$ 3,877	[11],[12],[18],[41]			$ 1,841	[14],[15],[16],[42]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.39%	[11],[12],[18],[41]			11.39%	[11],[12],[18],[41]			10.71%	[14],[15],[16],[43]
Spread		6.25%	[11],[12],[18],[41]			6.25%	[11],[12],[18],[41]			6.25%	[14],[15],[16],[43]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[43]					$ 38,484
Ending balance	[11],[12],[18],[41]	$ 38,121				38,121
Fair value		$ 38,121	[11],[12],[18],[41]			$ 38,121	[11],[12],[18],[41]			$ 38,484	[14],[15],[16],[43]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[12],[18]	11.39%				11.39%
Spread	[11],[12],[18]	6.25%				6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[18]	$ 4,836				$ 4,836
Fair value	[11],[12],[18]	4,836				4,836
Investment, Identifier [Axis]: Charps, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						460		(540)
Amount of Interest, Fees or Dividends Credited to Income						246		417
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						13,340	[19]	13,990
Gross Additions						460		0
Gross Reductions						0		540
Ending balance		13,800	[20]	13,450		13,800	[20]	13,450
Fair value		$ 13,800	[20]	$ 13,450		$ 13,800	[20]	$ 13,450		$ 13,340	[19]
Investment, Identifier [Axis]: Charps, LLC, Unsecured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%		10.00%		10.00%		10.00%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						(17)		(27)
Amount of Interest, Fees or Dividends Credited to Income						300		309
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						5,694		5,694
Gross Additions						17		27
Gross Reductions						17		27
Ending balance		$ 5,694		$ 5,694		5,694		5,694
Fair value		5,694		5,694		5,694		5,694		$ 5,694
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						(1,840)		80
Amount of Interest, Fees or Dividends Credited to Income						275		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						8,220	[19]	530
Gross Additions						0		80
Gross Reductions						1,840		0
Ending balance		6,380	[20]	610		6,380	[20]	610
Fair value		6,380	[20]	610		6,380	[20]	610		8,220	[19]
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						220		0
Amount of Interest, Fees or Dividends Credited to Income						0		764
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						610	[29]	10,250
Gross Additions						519		0
Gross Reductions						0		0
Ending balance		1,129	[30]	10,250		1,129	[30]	10,250
Fair value		1,129	[30]	$ 10,250		1,129	[30]	$ 10,250		$ 610	[29]
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				10.63%				10.63%
Spread				9.50%				9.50%		9.00%	[15],[16],[17]
Amount of Realized Gain/(Loss)						0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						1		574
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0	[15],[16],[17]	10,401
Gross Additions						0		20
Gross Reductions						0		0
Ending balance		0	[13]	$ 10,421		0	[13]	10,421
Fair value		$ 0	[13]	$ 10,421		$ 0	[13]	$ 10,421		$ 0	[15],[16],[17]
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.50%		10.00%		11.50%		10.00%		13.23%	[15],[16]
Spread	[15],[16]									9.00%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						(64)		0
Amount of Interest, Fees or Dividends Credited to Income						621		54
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						10,440	[15],[16]	1,071
Gross Additions						18		0
Gross Reductions						824		16
Ending balance		$ 9,634		$ 1,055		9,634		1,055
Fair value		$ 9,634		1,055		$ 9,634		1,055		$ 10,440	[15],[16]
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.00%				10.00%				10.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						52
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,039
Gross Additions						0
Gross Reductions						17
Ending balance		$ 1,022				1,022
Fair value		$ 1,022				$ 1,022				$ 1,039
Investment, Identifier [Axis]: Clarius BIGS, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		15.00%	[11],[21],[26]			15.00%	[11],[21],[26]			15.00%	[14],[22],[28]
PIK Rate		15.00%	[11],[21],[26]			15.00%	[11],[21],[26]			15.00%	[14],[22],[28]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[22],[28]					$ 19
Ending balance	[11],[21],[26]	$ 22				22
Fair value		22	[11],[21],[26]			22	[11],[21],[26]			$ 19	[14],[22],[28]
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						(6,410)		8,530
Amount of Interest, Fees or Dividends Credited to Income						4,745		947
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						24,637	[19]	15,260
Gross Additions						0		8,530
Gross Reductions						6,407		0
Ending balance		18,230	[20]	23,790		18,230	[20]	23,790
Fair value		$ 18,230	[20]	$ 23,790		$ 18,230	[20]	$ 23,790		$ 24,637	[19]
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.25%	[12]	7.00%		11.25%	[12]	7.00%		9.75%	[16]
Spread		6.00%	[12]	6.00%		6.00%	[12]	6.00%		6.00%	[16]
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						260		349
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						4,560	[16]	4,000
Gross Additions						0		7,920
Gross Reductions						0		6,360
Ending balance		$ 4,560	[12]	$ 5,560		4,560	[12]	5,560
Fair value		$ 4,560	[12]	$ 5,560		$ 4,560	[12]	$ 5,560		$ 4,560	[16]
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		8.00%		8.00%		8.00%		8.00%		8.00%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						(21)		(21)
Amount of Interest, Fees or Dividends Credited to Income						797		797
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						19,274		19,274
Gross Additions						21		21
Gross Reductions						21		21
Ending balance		$ 19,274		$ 19,274		19,274		19,274
Fair value		19,274		19,274		19,274		19,274		$ 19,274
Investment, Identifier [Axis]: Cody Pools, Inc., Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						6,940		3,550
Amount of Interest, Fees or Dividends Credited to Income						1,446		1,749
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						58,180	[19],[29]	47,640
Gross Additions						6,940		3,550
Gross Reductions						0		0
Ending balance		65,120	[20],[30]	51,190		65,120	[20],[30]	51,190
Fair value		65,120	[20],[30]	$ 51,190		65,120	[20],[30]	$ 51,190		$ 58,180	[19],[29]
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.25%				12.25%
Spread				10.50%				10.50%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								(45)
Amount of Interest, Fees or Dividends Credited to Income								2,702
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								42,484
Gross Additions								2,910
Gross Reductions								3,757
Ending balance				$ 41,637				41,637
Fair value				41,637				41,637
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[16]									15.38%
Spread	[16]									10.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]					1,462
Ending balance	[13]	0				0
Fair value		0	[13]			0	[13]			$ 1,462	[16]
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						12
Amount of Interest, Fees or Dividends Credited to Income						2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						0
Gross Reductions						0
Ending balance		0				0
Fair value		$ 0				$ 0				$ 0
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%				12.50%				15.38%	[16]
Spread	[16]									10.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]					$ 40,801
Ending balance		$ 46,312				46,312
Fair value		46,312				46,312				$ 40,801	[16]
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 2.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						39
Amount of Interest, Fees or Dividends Credited to Income						582
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						46,312
Gross Reductions						0
Ending balance		46,312				46,312
Fair value		$ 46,312				$ 46,312				0
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Spread		10.50%				10.50%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(19)
Amount of Interest, Fees or Dividends Credited to Income						96
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,462
Gross Additions						32
Gross Reductions						1,494
Ending balance		$ 0				0
Fair value		$ 0				$ 0				1,462
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 4
Schedule of Investments [Line Items]
Spread		10.50%				10.50%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(280)
Amount of Interest, Fees or Dividends Credited to Income						2,683
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						40,801
Gross Additions						0
Gross Reductions						40,801
Ending balance		$ 0				0
Fair value		0				0				40,801
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)								0
Amount of Unrealized Gain/(Loss)								(190)
Amount of Interest, Fees or Dividends Credited to Income								805
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						9,160	[19]	9,130
Gross Additions								0
Gross Reductions								190
Ending balance				8,940				8,940
Fair value				$ 8,940				$ 8,940		9,160	[19]
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						1,440
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						2,400
Gross Reductions						0
Ending balance		2,400				2,400
Fair value		2,400				2,400				0
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		2,400				2,400
Fair value		2,400				2,400
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units 2.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						(1,480)
Amount of Interest, Fees or Dividends Credited to Income						(1,179)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						9,160
Gross Additions						0
Gross Reductions						1,480
Ending balance		7,680				7,680
Fair value		7,680				7,680				9,160
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		7,680				7,680
Fair value		7,680				7,680
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%				12.00%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								0
Amount of Interest, Fees or Dividends Credited to Income								1,703
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								24,351
Gross Additions								1,630
Gross Reductions								630
Ending balance				$ 25,351				25,351
Fair value				25,351				25,351
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						47
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17]					0
Gross Additions						1,600
Gross Reductions						1,600
Ending balance	[13]	0				0
Fair value		$ 0	[13]			$ 0	[13]			$ 0	[17]
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%				12.00%				12.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(500)
Amount of Interest, Fees or Dividends Credited to Income						1,406
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						23,151
Gross Additions						28
Gross Reductions						1,130
Ending balance		$ 22,049				22,049
Fair value		22,049				22,049				$ 23,151
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						(3,450)		5,230
Amount of Interest, Fees or Dividends Credited to Income						158		316
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						19,830	[19]	12,000
Gross Additions						0		5,230
Gross Reductions						3,450		0
Ending balance		16,380	[20]	17,230		16,380	[20]	17,230
Fair value		$ 16,380	[20]	$ 17,230		$ 16,380	[20]	$ 17,230		$ 19,830	[19]
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.25%	[12]	10.13%		14.25%	[12]	10.13%
Spread		9.00%	[12]	9.00%		9.00%	[12]	9.00%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								(10)
Amount of Interest, Fees or Dividends Credited to Income								308
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								6,477
Gross Additions								10
Gross Reductions								746
Ending balance		$ 4,869	[12]	$ 5,741		$ 4,869	[12]	5,741
Fair value		$ 4,869	[12]	5,741		$ 4,869	[12]	5,741
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		9.00%				9.00%				9.00%	[16],[17],[28]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16],[17],[28]					0
Gross Additions						0
Gross Reductions						0
Ending balance		$ 0				0
Fair value		$ 0				$ 0				$ 0	[16],[17],[28]
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.25%				14.25%				13.13%	[16]
Spread		9.00%				9.00%				9.00%	[16]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(5)
Amount of Interest, Fees or Dividends Credited to Income						355
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]					5,241
Gross Additions						5
Gross Reductions						377
Ending balance		$ 4,869				4,869
Fair value		$ 4,869				$ 4,869				$ 5,241	[16]
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.71%	[11],[12],[44]			12.71%	[11],[12],[44]			12.56%	[14],[16],[45]
Spread		7.50%	[11],[12],[44]			7.50%	[11],[12],[44]			8.00%	[14],[16],[45]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[45]					$ 4,621
Ending balance	[11],[12],[44]	$ 4,682				4,682
Fair value		$ 4,682	[11],[12],[44]			$ 4,682	[11],[12],[44]			$ 4,621	[14],[16],[45]
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.82%	[11],[12]			12.82%	[11],[12]			12.56%	[14],[16]
Spread		7.50%	[11],[12]			7.50%	[11],[12]			8.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 17,178
Ending balance	[11],[12]	$ 17,277				17,277
Fair value		17,277	[11],[12]			17,277	[11],[12]			$ 17,178	[14],[16]
Investment, Identifier [Axis]: Congruent Credit Opportunities Funds, LP Interests (Congruent Credit Opportunities Fund III, LP)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[19],[35],[36],[37]					7,657
Ending balance	[20],[33],[38],[39]	5,562				5,562
Fair value		5,562	[20],[33],[38],[39]			5,562	[20],[33],[38],[39]			7,657	[19],[35],[36],[37]
Investment, Identifier [Axis]: Congruent Credit Opportunities Funds, LP Interests (Congruent Credit Opportunities Fund III, LP)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						(223)		(63)
Amount of Interest, Fees or Dividends Credited to Income						316		300
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						7,657		9,959
Gross Additions						0		0
Gross Reductions						2,095		1,660
Ending balance		5,562		8,299		5,562		8,299
Fair value		5,562		8,299		5,562		8,299		7,657
Investment, Identifier [Axis]: Construction Supply Investments, LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[19]					21,165
Ending balance	[11]	24,435				24,435
Fair value		24,435	[11]			24,435	[11]			21,165	[14],[19]
Investment, Identifier [Axis]: Copper Trail Fund Investments, LP Interests (CTMH, LP)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						588	[35],[36],[37]	710
Gross Additions						0		0
Gross Reductions						0		0
Ending balance		588	[33],[38],[39]	710		588	[33],[38],[39]	710
Fair value		588	[33],[38],[39]	710		588	[33],[38],[39]	710		588	[35],[36],[37]
Investment, Identifier [Axis]: Cybermedia Technologies, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						15,000
Gross Reductions						0
Ending balance		15,000				15,000
Fair value		15,000				15,000				0
Investment, Identifier [Axis]: Cybermedia Technologies, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						0
Gross Reductions						0
Ending balance	[13]	0				0
Fair value		$ 0	[13]			$ 0	[13]			0
Investment, Identifier [Axis]: Cybermedia Technologies, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%				13.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						1,042
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						28,720
Gross Reductions						0
Ending balance		$ 28,720				28,720
Fair value		28,720				28,720				0
Investment, Identifier [Axis]: DMA Industries, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						0		976
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						7,260		5,944
Gross Additions						0		976
Gross Reductions						0		0
Ending balance		7,260		6,920		7,260		6,920
Fair value		$ 7,260		$ 6,920		$ 7,260		$ 6,920		$ 7,260
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%		12.00%		12.00%		12.00%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						(21)		186
Amount of Interest, Fees or Dividends Credited to Income						1,272		1,300
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						21,200		20,993
Gross Additions						21		207
Gross Reductions						1,221		0
Ending balance		$ 20,000		$ 21,200		20,000		21,200
Fair value		$ 20,000		21,200		$ 20,000		21,200		$ 21,200
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class A Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		8.00%	[11]			8.00%	[11]			8.00%	[14]
PIK Rate		8.00%	[11]			8.00%	[11]			8.00%	[14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					$ 380
Ending balance	[11]	$ 260				260
Fair value		$ 260	[11]			$ 260	[11]			$ 380	[14]
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class AA Preferred Member Units (non-voting)
Schedule of Investments [Line Items]
Total Rate		10.00%	[11],[20]			10.00%	[11],[20]			10.00%	[14],[19]
PIK Rate		10.00%	[11],[20]			10.00%	[11],[20]			10.00%	[14],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[19]					$ 1,161
Ending balance	[11],[20]	$ 1,220				1,220
Fair value		1,220	[11],[20]			1,220	[11],[20]			$ 1,161	[14],[19]
Investment, Identifier [Axis]: DTE Enterprises, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[14],[16],[17]									7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[17]					(1)
Fair value	[14],[16],[17]									$ (1)
Investment, Identifier [Axis]: DTE Enterprises, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[16]									12.24%
Spread	[14],[16]									7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					5,934
Fair value	[14],[16]									$ 5,934
Investment, Identifier [Axis]: Dalton US Inc., Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					201
Ending balance	[11]	201				201
Fair value		$ 201	[11]			$ 201	[11]			$ 201	[14]
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.69%	[11],[12],[18],[46]			13.69%	[11],[12],[18],[46]			11.90%	[14],[15],[16]
Spread		8.50%	[11],[12],[18],[46]			8.50%	[11],[12],[18],[46]			8.00%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 1,077
Ending balance	[11],[12],[18],[46]	$ 3,614				3,614
Fair value		$ 3,614	[11],[12],[18],[46]			$ 3,614	[11],[12],[18],[46]			$ 1,077	[14],[15],[16]
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt 2
Schedule of Investments [Line Items]
Spread		8.50%	[11],[12],[13],[18]			8.50%	[11],[12],[13],[18]			8.00%	[14],[15],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[17]					$ (74)
Ending balance	[11],[12],[13],[18]	$ (66)				(66)
Fair value		$ (66)	[11],[12],[13],[18]			$ (66)	[11],[12],[13],[18]			$ (74)	[14],[15],[16],[17]
Investment, Identifier [Axis]: Dalton US Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.69%	[11],[12],[18]			13.69%	[11],[12],[18]			12.56%	[14],[15],[16]
Spread		8.50%	[11],[12],[18]			8.50%	[11],[12],[18]			8.00%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 14,186
Ending balance	[11],[12],[18]	$ 14,270				14,270
Fair value		14,270	[11],[12],[18]			14,270	[11],[12],[18]			$ 14,186	[14],[15],[16]
Investment, Identifier [Axis]: Datacom, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						(320)		60
Amount of Interest, Fees or Dividends Credited to Income						0		48
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						2,670	[19]	2,610
Gross Additions						0		60
Gross Reductions						320		0
Ending balance		2,350	[20]	2,670		2,350	[20]	2,670
Fair value		$ 2,350	[20]	$ 2,670		$ 2,350	[20]	$ 2,670		$ 2,670	[19]
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				7.50%				7.50%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								0
Amount of Interest, Fees or Dividends Credited to Income								416
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								7,668
Gross Additions								84
Gross Reductions								135
Ending balance				$ 7,617				7,617
Fair value				7,617				7,617
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		7.50%				7.50%				7.50%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						18
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						223
Gross Additions						583
Gross Reductions						90
Ending balance		$ 716				716
Fair value		$ 716				$ 716				$ 223
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%				10.00%				7.50%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						507
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						7,789
Gross Additions						78
Gross Reductions						135
Ending balance		$ 7,732				7,732
Fair value		7,732				7,732				$ 7,789
Investment, Identifier [Axis]: Digital Products Holdings LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						100		100
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						9,835	[19]	9,835
Gross Additions						0		0
Gross Reductions						0		0
Ending balance		9,835	[20]	9,835		9,835	[20]	9,835
Fair value		$ 9,835	[20]	$ 9,835		$ 9,835	[20]	$ 9,835		$ 9,835	[19]
Investment, Identifier [Axis]: Digital Products Holdings LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		15.25%	[12],[18]	11.13%		15.25%	[12],[18]	11.13%		14.13%	[16]
Spread		10.00%	[12],[18]	10.00%		10.00%	[12],[18]	10.00%		10.00%	[16]
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						1,141		929
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						15,523	[16]	16,801
Gross Additions						0		23
Gross Reductions						790		661
Ending balance		$ 14,733	[12],[18]	$ 16,163		14,733	[12],[18]	16,163
Fair value		14,733	[12],[18]	16,163		14,733	[12],[18]	16,163		$ 15,523	[16]
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						1,130		3,200
Amount of Interest, Fees or Dividends Credited to Income						343		686
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						22,220	[19]	18,350
Gross Additions						1,130		3,200
Gross Reductions						0		0
Ending balance		23,350	[20]	21,550		23,350	[20]	21,550
Fair value		23,350	[20]	$ 21,550		23,350	[20]	$ 21,550		$ 22,220	[19]
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.13%				12.13%
Spread				11.00%				11.00%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								(20)
Amount of Interest, Fees or Dividends Credited to Income								1,551
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								24,048
Gross Additions								1,317
Gross Reductions								687
Ending balance				$ 24,678				24,678
Fair value				24,678				24,678
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[16],[17]									11.00%
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						(14)
Amount of Interest, Fees or Dividends Credited to Income						23
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16],[17]					0
Gross Additions						14
Gross Reductions						14
Ending balance	[13]	0				0
Fair value		$ 0	[13]			$ 0	[13]			$ 0	[16],[17]
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%				13.00%				15.13%	[16]
Spread	[16]									11.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(35)
Amount of Interest, Fees or Dividends Credited to Income						1,876
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]					27,267
Gross Additions						35
Gross Reductions						837
Ending balance		$ 26,465				26,465
Fair value		26,465				26,465				$ 27,267	[16]
Investment, Identifier [Axis]: Dos Rios Partners, LP Interests (Dos Rios Partners - A, LP)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						241		0
Amount of Unrealized Gain/(Loss)						0		(546)
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						2,898	[35],[36],[37]	3,280
Gross Additions						241		0
Gross Reductions						287		546
Ending balance		2,852	[33],[38],[39]	2,734		2,852	[33],[38],[39]	2,734
Fair value		2,852	[33],[38],[39]	2,734		2,852	[33],[38],[39]	2,734		2,898	[35],[36],[37]
Investment, Identifier [Axis]: Dos Rios Partners, LP Interests (Dos Rios Partners, LP)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						757		0
Amount of Unrealized Gain/(Loss)						156		(1,719)
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						9,127	[35],[36],[37]	10,329
Gross Additions						915		0
Gross Reductions						904		1,719
Ending balance		9,138	[33],[38],[39]	8,610		9,138	[33],[38],[39]	8,610
Fair value		9,138	[33],[38],[39]	8,610		9,138	[33],[38],[39]	8,610		9,127	[35],[36],[37]
Investment, Identifier [Axis]: Dos Rios Stone Products LLC, Class A Preferred Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						250		(290)
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,330	[14],[29]	640
Gross Additions						250		0
Gross Reductions						0		290
Ending balance		1,580	[11],[30]	350		1,580	[11],[30]	350
Fair value		1,580	[11],[30]	350		1,580	[11],[30]	350		1,330	[14],[29]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					0
Ending balance	[11]	0				0
Fair value		0	[11]			0	[11]			0	[14]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Preferred Equity 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					128
Ending balance	[11]	128				128
Fair value		128	[11]			128	[11]			128	[14]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Preferred Equity 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					0
Ending balance	[11]	0				0
Fair value		0	[11]			0	[11]			$ 0	[14]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[15],[16]									9.18%
Spread	[14],[15],[16]									4.50%
PIK Rate	[14],[15],[16]									9.18%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					1,717
Ending balance	[11]	1				1
Fair value		$ 1	[11]			$ 1	[11]			$ 1,717	[14],[15],[16]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.70%	[11],[12],[18]			9.70%	[11],[12],[18]			11.18%	[14],[15],[16]
Spread		4.50%	[11],[12],[18]			4.50%	[11],[12],[18]			6.50%	[14],[15],[16]
PIK Rate		9.70%	[11],[12],[18]			9.70%	[11],[12],[18]			11.18%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 1,642
Ending balance	[11],[12],[18]	$ 1,798				1,798
Fair value		$ 1,798	[11],[12],[18]			$ 1,798	[11],[12],[18]			$ 1,642	[14],[15],[16]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[12],[18]	11.70%				11.70%
Spread	[11],[12],[18]	6.50%				6.50%
PIK Rate	[11],[12],[18]	11.70%				11.70%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[18]	$ 1,739				$ 1,739
Fair value	[11],[12],[18]	1,739				1,739
Investment, Identifier [Axis]: EIG Fund Investments, LP Interests (EIG Global Private Debt Fund-A, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						16		11
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						43		28
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,013	[19],[35],[36],[37]	547
Gross Additions						16		0
Gross Reductions						55		158
Ending balance		974	[20],[33],[38],[39]	389		974	[20],[33],[38],[39]	389
Fair value		$ 974	[20],[33],[38],[39]	389		$ 974	[20],[33],[38],[39]	389		$ 1,013	[19],[35],[36],[37]
Investment, Identifier [Axis]: EPIC Y-Grade Services, LP, Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.36%	[8],[12],[18]			11.36%	[8],[12],[18]			10.70%	[7],[16]
Spread		6.00%	[8],[12],[18]			6.00%	[8],[12],[18]			6.00%	[7],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]					$ 6,141
Ending balance	[8],[12],[18]	$ 6,073				6,073
Fair value		$ 6,073	[8],[12],[18]			$ 6,073	[8],[12],[18]			$ 6,141	[7],[16]
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.39%	[11],[12],[18]			13.39%	[11],[12],[18]			11.73%	[14],[16]
Spread		8.00%	[11],[12],[18]			8.00%	[11],[12],[18]			7.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 3,276
Ending balance	[11],[12],[18]	$ 3,219				3,219
Fair value		$ 3,219	[11],[12],[18]			$ 3,219	[11],[12],[18]			$ 3,276	[14],[16]
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.39%	[11],[12],[18]			13.39%	[11],[12],[18]			11.73%	[14],[16]
Spread		8.00%	[11],[12],[18]			8.00%	[11],[12],[18]			7.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 4,916
Ending balance	[11],[12],[18]	$ 4,644				4,644
Fair value		$ 4,644	[11],[12],[18]			$ 4,644	[11],[12],[18]			$ 4,916	[14],[16]
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.39%	[11],[12],[18]			13.39%	[11],[12],[18]			11.73%	[14],[16]
Spread		8.00%	[11],[12],[18]			8.00%	[11],[12],[18]			7.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 22,967
Ending balance	[11],[12],[18]	$ 21,695				21,695
Fair value		21,695	[11],[12],[18]			21,695	[11],[12],[18]			$ 22,967	[14],[16]
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Common Stock 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						364
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						7,603
Gross Additions						364
Gross Reductions						1,877
Ending balance		6,090				6,090
Fair value		6,090				6,090				7,603
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Common Stock 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						112
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[29]					1,558
Gross Additions						112
Gross Reductions						0
Ending balance	[30]	1,670				1,670
Fair value		$ 1,670	[30]			$ 1,670	[30]			$ 1,558	[29]
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[12],[13],[18]			6.00%	[12],[13],[18]			6.00%	[15],[16],[17]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[15],[16],[17]					(9)
Gross Additions						1
Gross Reductions						0
Ending balance	[12],[13],[18]	$ (8)				(8)
Fair value		$ (8)	[12],[13],[18]			$ (8)	[12],[13],[18]			$ (9)	[15],[16],[17]
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%				12.00%				12.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						1,151
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						18,594
Gross Additions						19
Gross Reductions						0
Ending balance		$ 18,613				18,613
Fair value		$ 18,613				$ 18,613				$ 18,594
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		9.00%				9.00%				9.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						287
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						6,294
Gross Additions						1
Gross Reductions						21
Ending balance		$ 6,274				6,274
Fair value		$ 6,274				$ 6,274				$ 6,294
Investment, Identifier [Axis]: Emerald Technologies Acquisition Co, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.66%	[8],[12],[18]			11.66%	[8],[12],[18]			10.67%	[7],[15],[16]
Spread		6.25%	[8],[12],[18]			6.25%	[8],[12],[18]			6.25%	[7],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15],[16]					$ 8,787
Ending balance	[8],[12],[18]	$ 8,821				8,821
Fair value		8,821	[8],[12],[18]			8,821	[8],[12],[18]			$ 8,787	[7],[15],[16]
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund IX, L.P.)
Schedule of Investments [Line Items]
Total Rate	[19],[35],[36],[37]									0.10%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[19],[35],[36],[37]					2,019
Ending balance	[20],[33],[38],[39]	1,631				1,631
Fair value		1,631	[20],[33],[38],[39]			1,631	[20],[33],[38],[39]			$ 2,019	[19],[35],[36],[37]
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund VIII Co-Investors, L.P.)
Schedule of Investments [Line Items]
Total Rate	[19],[35],[36],[37]									0.38%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[19],[35],[36],[37]					1,037
Ending balance	[20],[33],[38],[39]	950				950
Fair value		950	[20],[33],[38],[39]			950	[20],[33],[38],[39]			$ 1,037	[19],[35],[36],[37]
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund VIII, L.P.)
Schedule of Investments [Line Items]
Total Rate	[19],[35],[36],[37]									0.14%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[19],[35],[36],[37]					2,092
Ending balance	[20],[33],[38],[39]	1,984				1,984
Fair value		1,984	[20],[33],[38],[39]			1,984	[20],[33],[38],[39]			$ 2,092	[19],[35],[36],[37]
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund X, L.P.)
Schedule of Investments [Line Items]
Total Rate	[19],[35],[36],[37]									0.15%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[19],[35],[36],[37]					9,351
Ending balance	[20],[33],[38],[39]	6,862				6,862
Fair value		6,862	[20],[33],[38],[39]			6,862	[20],[33],[38],[39]			$ 9,351	[19],[35],[36],[37]
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Flatrock Midstream Fund II, L.P.)
Schedule of Investments [Line Items]
Total Rate	[35],[36],[37]									0.84%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[35],[36],[37]					1,688
Ending balance	[20],[33],[38],[39]	1,555				1,555
Fair value		1,555	[20],[33],[38],[39]			1,555	[20],[33],[38],[39]			$ 1,688	[35],[36],[37]
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Flatrock Midstream Fund III, L.P.)
Schedule of Investments [Line Items]
Total Rate	[19],[35],[36],[37]									0.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[19],[35],[36],[37]					5,718
Ending balance	[20],[33],[38],[39]	5,102				5,102
Fair value		$ 5,102	[20],[33],[38],[39]			$ 5,102	[20],[33],[38],[39]			$ 5,718	[19],[35],[36],[37]
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.75%	[11],[12]			13.75%	[11],[12]			11.68%	[14],[15],[16]
Spread		5.50%	[11],[12]			5.50%	[11],[12]			6.50%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 131
Ending balance	[11],[12]	$ 655				655
Fair value		$ 655	[11],[12]			$ 655	[11],[12]			$ 131	[14],[15],[16]
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.76%	[11],[12],[18]			11.76%	[11],[12],[18]			10.92%	[14],[15],[16]
Spread		6.50%	[11],[12],[18]			6.50%	[11],[12],[18]			6.50%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 16,338
Ending balance	[11],[12],[18]	$ 16,216				16,216
Fair value		16,216	[11],[12],[18]			16,216	[11],[12],[18]			$ 16,338	[14],[15],[16]
Investment, Identifier [Axis]: Escalent, Inc., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11]	663				663
Fair value	[11]	$ 663				$ 663
Investment, Identifier [Axis]: Escalent, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[13],[16],[18]	8.00%				8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13],[16],[18]	$ (38)				$ (38)
Fair value	[11],[13],[16],[18]	$ (38)				$ (38)
Investment, Identifier [Axis]: Escalent, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[16],[18]	13.34%				13.34%
Spread	[11],[16],[18]	8.00%				8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[16],[18]	$ 25,545				$ 25,545
Fair value	[11],[16],[18]	$ 25,545				$ 25,545
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.54%	[11],[12],[18],[30]			12.54%	[11],[12],[18],[30]			10.67%	[14],[16],[29]
Spread		7.00%	[11],[12],[18],[30]			7.00%	[11],[12],[18],[30]			7.00%	[14],[16],[29]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[29]					$ 3,507
Ending balance	[11],[12],[18],[30]	$ 3,566				3,566
Fair value		$ 3,566	[11],[12],[18],[30]			$ 3,566	[11],[12],[18],[30]			$ 3,507	[14],[16],[29]
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.54%	[11],[12],[18],[30]			12.54%	[11],[12],[18],[30]			10.67%	[14],[16],[29]
Spread		7.00%	[11],[12],[18],[30]			7.00%	[11],[12],[18],[30]			7.00%	[14],[16],[29]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[29]					$ 42,083
Ending balance	[11],[12],[18],[30]	$ 42,797				42,797
Fair value		42,797	[11],[12],[18],[30]			42,797	[11],[12],[18],[30]			$ 42,083	[14],[16],[29]
Investment, Identifier [Axis]: Flame King Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						6,770		3,010
Amount of Interest, Fees or Dividends Credited to Income						2,050		559
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						17,580	[19]	10,400
Gross Additions						6,770		3,010
Gross Reductions						0		0
Ending balance		24,350	[20]	13,410		24,350	[20]	13,410
Fair value		$ 24,350	[20]	$ 13,410		$ 24,350	[20]	$ 13,410		$ 17,580	[19]
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				7.50%				7.50%		10.75%	[16]
Spread		6.50%		6.50%		6.50%		6.50%		6.50%	[16]
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						(60)		68
Amount of Interest, Fees or Dividends Credited to Income						484		288
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						7,600	[16]	6,324
Gross Additions						60		1,276
Gross Reductions						7,660		0
Ending balance		$ 0		$ 7,600		0		7,600
Fair value		$ 0		$ 7,600		$ 0		$ 7,600		$ 7,600	[16]
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				12.00%				12.00%		13.25%	[16]
Spread		9.00%		11.00%		9.00%		11.00%		9.00%	[16]
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						(162)		183
Amount of Interest, Fees or Dividends Credited to Income						1,583		1,300
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						21,200	[16]	20,996
Gross Additions						162		204
Gross Reductions						21,362		0
Ending balance		$ 0		$ 21,200		0		21,200
Fair value		$ 0		21,200		$ 0		21,200		$ 21,200	[16]
Investment, Identifier [Axis]: Flip Electronics LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.55%	[11],[18]			12.55%	[11],[18]			11.21%	[14],[15],[16]
Spread		7.50%	[11],[18]			7.50%	[11],[18]			7.50%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 736
Ending balance	[11],[18]	$ 982				982
Fair value		$ 982	[11],[18]			$ 982	[11],[18]			$ 736	[14],[15],[16]
Investment, Identifier [Axis]: Flip Electronics LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.69%	[11],[18]			12.69%	[11],[18]			12.19%	[14],[15],[16]
Spread		7.50%	[11],[18]			7.50%	[11],[18]			7.50%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 11,095
Ending balance	[11],[18]	$ 11,095				11,095
Fair value		11,095	[11],[18]			11,095	[11],[18]			$ 11,095	[14],[15],[16]
Investment, Identifier [Axis]: Freeport Financial Funds, LP Interests (Freeport Financial SBIC Fund LP)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[35],[36],[37]					3,483
Ending balance	[33],[38],[39]	3,628				3,628
Fair value		3,628	[33],[38],[39]			3,628	[33],[38],[39]			3,483	[35],[36],[37]
Investment, Identifier [Axis]: Freeport Financial Funds, LP Interests (Freeport First Lien Loan Fund III LP)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[19],[35],[36],[37]					5,848
Ending balance	[20],[33],[38],[39]	5,312				5,312
Fair value		5,312	[20],[33],[38],[39]			5,312	[20],[33],[38],[39]			5,848	[19],[35],[36],[37]
Investment, Identifier [Axis]: Freeport Financial SBIC Fund LP, LP Interests (Freeport Financial SBIC Fund LP)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						145		(52)
Amount of Interest, Fees or Dividends Credited to Income						0		2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						3,483		6,078
Gross Additions						145		0
Gross Reductions						0		1,962
Ending balance		3,628		4,116		3,628		4,116
Fair value		3,628		4,116		3,628		4,116		3,483
Investment, Identifier [Axis]: Freeport Financial SBIC Fund LP, LP Interests (Freeport First Lien Loan Fund III LP)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						0		(57)
Amount of Interest, Fees or Dividends Credited to Income						291		242
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						5,848		7,231
Gross Additions						0		0
Gross Reductions						536		436
Ending balance		5,312		6,795		5,312		6,795
Fair value		5,312		6,795		5,312		6,795		5,848
Investment, Identifier [Axis]: Fuse, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]					0
Ending balance	[8]	0				0
Fair value		$ 0	[8]			$ 0	[8]			$ 0	[7]
Investment, Identifier [Axis]: Fuse, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%	[8]			12.00%	[8]			12.00%	[7]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]					$ 1,512
Ending balance	[8]	$ 1,374				1,374
Fair value		1,374	[8]			1,374	[8]			$ 1,512	[7]
Investment, Identifier [Axis]: GFG Group, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						1,170		0
Amount of Interest, Fees or Dividends Credited to Income						102		378
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						7,140		6,990
Gross Additions						1,170		0
Gross Reductions						0		0
Ending balance		8,310	[20]	6,990		8,310	[20]	6,990
Fair value		$ 8,310	[20]	$ 6,990		$ 8,310	[20]	$ 6,990		7,140
Investment, Identifier [Axis]: GFG Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		9.00%		9.00%		9.00%		9.00%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						(12)		(13)
Amount of Interest, Fees or Dividends Credited to Income						525		675
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						11,345		12,545
Gross Additions						12		13
Gross Reductions						12		13
Ending balance		$ 11,345		$ 12,545		11,345		12,545
Fair value		11,345		12,545		11,345		12,545		11,345
Investment, Identifier [Axis]: GFG Group, LLC., Preferred Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[19]					7,140
Fair value	[19]									$ 7,140
Investment, Identifier [Axis]: GFG Group, LLC., Secured Debt
Schedule of Investments [Line Items]
Total Rate										9.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						11,345
Fair value										$ 11,345
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						84		2,441
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						44,440	[19]	46,190
Gross Additions						0		0
Gross Reductions						0		0
Ending balance		44,440		46,190		44,440		46,190
Fair value		$ 44,440		$ 46,190		$ 44,440		$ 46,190		$ 44,440	[19]
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				9.06%				9.06%
Spread				8.00%				8.00%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								(22)
Amount of Interest, Fees or Dividends Credited to Income								1,676
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								38,885
Gross Additions								22
Gross Reductions								22
Ending balance				$ 38,885				38,885
Fair value				38,885				38,885
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.17%				11.17%				10.12%
Spread		6.00%				6.00%				6.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						66
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						670
Gross Additions						630
Gross Reductions						0
Ending balance		$ 1,300				1,300
Fair value		$ 1,300				$ 1,300				$ 670
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.17%				13.17%				12.12%
Spread		8.00%				8.00%				8.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(23)
Amount of Interest, Fees or Dividends Credited to Income						2,624
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						40,493
Gross Additions						23
Gross Reductions						23
Ending balance		$ 40,493				40,493
Fair value		$ 40,493				$ 40,493				$ 40,493
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[16]									11.20%
Spread		6.50%	[11],[12],[13],[18]			6.50%	[11],[12],[13],[18]			6.50%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 2,171
Ending balance	[11],[12],[13],[18]	$ (6)				(6)
Fair value		(6)	[11],[12],[13],[18]			(6)	[11],[12],[13],[18]			$ 2,171	[14],[16]
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[16]									11.24%
Spread	[14],[16]									6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					10,705
Ending balance	[11],[13]	(14)				(14)
Fair value		$ (14)	[11],[13]			$ (14)	[11],[13]			$ 10,705	[14],[16]
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[12],[18]	11.70%				11.70%
Spread	[11],[12],[18]	6.50%				6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[18]	$ 10,679				$ 10,679
Fair value	[11],[12],[18]	$ 10,679				$ 10,679
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.14%	[11],[12],[18],[47]			11.14%	[11],[12],[18],[47]			10.42%	[14],[15],[16]
Spread		5.75%	[11],[12],[18],[47]			5.75%	[11],[12],[18],[47]			6.00%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 252
Ending balance	[11],[12],[18],[47]	$ 303				303
Fair value		$ 303	[11],[12],[18],[47]			$ 303	[11],[12],[18],[47]			$ 252	[14],[15],[16]
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[12],[18]	11.14%				11.14%
Spread		5.75%	[11],[12],[18]			5.75%	[11],[12],[18]			6.00%	[14],[15],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[17]					$ (15)
Ending balance	[11],[12],[18]	$ 303				303
Fair value		$ 303	[11],[12],[18]			$ 303	[11],[12],[18]			$ (15)	[14],[15],[16],[17]
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.14%	[11],[12],[18]			11.14%	[11],[12],[18]			10.73%	[14],[15],[16]
Spread		5.75%	[11],[12],[18]			5.75%	[11],[12],[18]			6.00%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 3,661
Ending balance	[11],[12],[18]	$ 3,642				3,642
Fair value		3,642	[11],[12],[18]			3,642	[11],[12],[18]			$ 3,661	[14],[15],[16]
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						19,270		(3,400)
Amount of Interest, Fees or Dividends Credited to Income						2,904		360
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						50,890	[19]	49,700
Gross Additions						19,270		0
Gross Reductions						0		3,400
Ending balance		70,160	[20]	46,300		70,160	[20]	46,300
Fair value		$ 70,160	[20]	$ 46,300		$ 70,160	[20]	$ 46,300		$ 50,890	[19]
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				10.50%				10.50%
Spread				8.00%				8.00%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								(11)
Amount of Interest, Fees or Dividends Credited to Income								1,100
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								21,598
Gross Additions								11
Gross Reductions								11
Ending balance				$ 21,598				21,598
Fair value				21,598				21,598
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		8.50%	[12],[13],[18],[24]			8.50%	[12],[13],[18],[24]			8.50%	[15],[16],[17]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[15],[16],[17]					0
Gross Additions						0
Gross Reductions						0
Ending balance	[12],[13],[18],[24]	$ 0				0
Fair value		$ 0	[12],[13],[18],[24]			$ 0	[12],[13],[18],[24]			$ 0	[15],[16],[17]
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.00%	[12],[18],[24]			11.00%	[12],[18],[24]			11.50%	[15],[16]
Spread		8.00%	[12],[18],[24]			8.00%	[12],[18],[24]			8.50%	[15],[16]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(64)
Amount of Interest, Fees or Dividends Credited to Income						3,598
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[15],[16]					64,078
Gross Additions						64
Gross Reductions						4,464
Ending balance	[12],[18],[24]	$ 59,678				59,678
Fair value		59,678	[12],[18],[24]			59,678	[12],[18],[24]			$ 64,078	[15],[16]
Investment, Identifier [Axis]: Garreco, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						(220)		220
Amount of Interest, Fees or Dividends Credited to Income						25		321
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,800	[19]	2,270
Gross Additions						0		220
Gross Reductions						220		0
Ending balance		1,580		2,490		1,580		2,490
Fair value		$ 1,580		$ 2,490		$ 1,580		$ 2,490		$ 1,800	[19]
Investment, Identifier [Axis]: Garreco, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%	[12],[48]	9.00%		12.00%	[12],[48]	9.00%		9.50%	[16],[49]
Spread		10.00%	[12],[48]	8.00%		10.00%	[12],[48]	8.00%		8.00%	[16],[49]
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						218		190
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						3,826	[16],[49]	4,196
Gross Additions						0		0
Gross Reductions						554		0
Ending balance		$ 3,272	[12],[48]	$ 4,196		3,272	[12],[48]	4,196
Fair value		$ 3,272	[12],[48]	4,196		$ 3,272	[12],[48]	4,196		$ 3,826	[16],[49]
Investment, Identifier [Axis]: GeoStabilization International (GSI), Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.17%	[8],[18]			10.17%	[8],[18]			9.44%	[7],[15]
Spread		5.25%	[8],[18]			5.25%	[8],[18]			5.25%	[7],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15]					$ 19,472
Ending balance	[8],[18]	$ 19,831				19,831
Fair value		19,831	[8],[18]			19,831	[8],[18]			$ 19,472	[7],[15]
Investment, Identifier [Axis]: Gulf Manufacturing, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						1,210		(130)
Amount of Interest, Fees or Dividends Credited to Income						1,351		985
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						6,790	[19]	5,640
Gross Additions						1,210		0
Gross Reductions						0		130
Ending balance		8,000	[20]	5,510		8,000	[20]	5,510
Fair value		8,000	[20]	$ 5,510		8,000	[20]	$ 5,510		6,790	[19]
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						0
Gross Reductions						0
Ending balance		0				0
Fair value		0				0				0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						3,780
Gross Additions						0
Gross Reductions						0
Ending balance		3,780				3,780
Fair value		$ 3,780				$ 3,780				$ 3,780
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				10.60%				10.60%
Spread		9.50%	[12],[13]			9.50%	[12],[13]			9.50%	[16],[17]
PIK Rate				5.25%				5.25%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						0		7
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0	[16],[17]	257
Gross Additions						0		0
Gross Reductions						0		0
Ending balance		$ 0	[12],[13]	$ 257		0	[12],[13]	257
Fair value		$ 0	[12],[13]	$ 257		$ 0	[12],[13]	$ 257		$ 0	[16],[17]
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%		12.50%		12.50%		12.50%		12.50%
PIK Rate				6.25%				6.25%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		(2,188)
Amount of Interest, Fees or Dividends Credited to Income						151		426
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						2,284		9,717
Gross Additions						0		0
Gross Reductions						0		2,188
Ending balance		$ 2,284		$ 7,529		2,284		7,529
Fair value		$ 2,284		7,529		$ 2,284		7,529		$ 2,284
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.34%	[11],[12],[18]			14.34%	[11],[12],[18]			14.34%	[14],[15],[16]
Spread		9.50%	[11],[12],[18]			9.50%	[11],[12],[18]			9.50%	[14],[15],[16]
PIK Rate		14.34%	[11],[12],[18]			14.34%	[11],[12],[18]			2.00%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 311
Ending balance	[11],[12],[18]	$ 315				315
Fair value		$ 315	[11],[12],[18]			$ 315	[11],[12],[18]			$ 311	[14],[15],[16]
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.34%	[11],[12],[18]			14.34%	[11],[12],[18]			14.34%	[14],[15],[16]
Spread		9.50%	[11],[12],[18]			9.50%	[11],[12],[18]			9.50%	[14],[15],[16]
PIK Rate		14.34%	[11],[12],[18]			14.34%	[11],[12],[18]			2.00%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 3,186
Ending balance	[11],[12],[18]	$ 3,188				3,188
Fair value		$ 3,188	[11],[12],[18]			$ 3,188	[11],[12],[18]			$ 3,186	[14],[15],[16]
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.50%	[11],[12],[13],[18]			6.50%	[11],[12],[13],[18]			6.50%	[14],[15],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[17]					$ (62)
Ending balance	[11],[12],[13],[18]	$ (55)				(55)
Fair value		$ (55)	[11],[12],[13],[18]			$ (55)	[11],[12],[13],[18]			$ (62)	[14],[15],[16],[17]
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread		6.50%	[11],[12],[13],[18]			6.50%	[11],[12],[13],[18]			6.50%	[14],[15],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[17]					$ (62)
Ending balance	[11],[12],[13],[18]	$ (55)				(55)
Fair value		$ (55)	[11],[12],[13],[18]			$ (55)	[11],[12],[13],[18]			$ (62)	[14],[15],[16],[17]
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.60%	[11],[12],[18]			11.60%	[11],[12],[18]			10.62%	[14],[15],[16]
Spread		6.50%	[11],[12],[18]			6.50%	[11],[12],[18]			6.50%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 16,791
Ending balance	[11],[12],[18]	$ 16,706				16,706
Fair value		$ 16,706	[11],[12],[18]			$ 16,706	[11],[12],[18]			$ 16,791	[14],[15],[16]
Investment, Identifier [Axis]: HOWLCO LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.32%	[8],[12],[18],[33],[34]			11.32%	[8],[12],[18],[33],[34]			10.69%	[7],[16],[36],[50]
Spread		6.00%	[8],[12],[18],[33],[34]			6.00%	[8],[12],[18],[33],[34]			6.00%	[7],[16],[36],[50]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16],[36],[50]					$ 24,381
Ending balance	[8],[12],[18],[33],[34]	$ 24,464				24,464
Fair value		24,464	[8],[12],[18],[33],[34]			24,464	[8],[12],[18],[33],[34]			$ 24,381	[7],[16],[36],[50]
Investment, Identifier [Axis]: HPEP 3, L.P., LP Interests (423 COR, LP)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						117		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,400		0
Gross Additions						0		1,400
Gross Reductions						0		0
Ending balance		1,400		1,400		1,400		1,400
Fair value		1,400		1,400		1,400		1,400		1,400
Investment, Identifier [Axis]: HPEP 3, L.P., LP Interests (HPEP 3, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		779
Amount of Unrealized Gain/(Loss)						283		(21)
Amount of Interest, Fees or Dividends Credited to Income						0		(80)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						4,331		4,712
Gross Additions						283		0
Gross Reductions						508		381
Ending balance		4,106		4,331		4,106		4,331
Fair value		4,106		4,331		4,106		4,331		4,331
Investment, Identifier [Axis]: HPEP 3, L.P., LP Interests (HPEP 4, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						2,332
Gross Additions						464
Gross Reductions						0
Ending balance		2,796				2,796
Fair value		2,796				2,796				2,332
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (2717 HPP-MS, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[35],[36],[37]					248
Ending balance	[33],[38],[39]	315				315
Fair value		315	[33],[38],[39]			315	[33],[38],[39]			248	[35],[36],[37]
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (2717 MH, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[35],[36],[37]					7,552
Ending balance	[20],[33],[38],[39]	6,346				6,346
Fair value		6,346	[20],[33],[38],[39]			6,346	[20],[33],[38],[39]			7,552	[35],[36],[37]
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (423 COR, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[20],[33],[38],[39]	1,400				1,400
Fair value	[20],[33],[38],[39]	1,400				1,400
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (423 COR, LP)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[35],[36],[37]					1,400
Fair value	[35],[36],[37]									1,400
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (423 HAR, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[33],[38],[39]	750				750
Fair value	[33],[38],[39]	750				750
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (HPEP 3, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[35],[36],[37]					4,331
Ending balance	[20],[33],[38],[39]	4,106				4,106
Fair value		4,106	[20],[33],[38],[39]			4,106	[20],[33],[38],[39]			4,331	[35],[36],[37]
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (HPEP 4, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[35],[36],[37]					2,332
Ending balance	[33],[38],[39]	2,796				2,796
Fair value		2,796	[33],[38],[39]			2,796	[33],[38],[39]			2,332	[35],[36],[37]
Investment, Identifier [Axis]: Harrison Hydra-Gen, Ltd., Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						210		(200)
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						3,280		3,530
Gross Additions						210		0
Gross Reductions						0		200
Ending balance		3,490		3,330		3,490		3,330
Fair value		3,490		3,330		3,490		3,330		3,280
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						0		5,350
Amount of Interest, Fees or Dividends Credited to Income						131		704
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						17,460	[19]	14,680
Gross Additions						0		5,350
Gross Reductions						0		0
Ending balance		17,460	[20]	20,030		17,460	[20]	20,030
Fair value		17,460	[20]	20,030		17,460	[20]	20,030		17,460	[19]
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						0		280
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						920	[29]	771
Gross Additions						0		279
Gross Reductions						0		0
Ending balance		920	[30]	1,050		920	[30]	1,050
Fair value		$ 920	[30]	$ 1,050		$ 920	[30]	$ 1,050		$ 920	[29]
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.53%	[12],[18]	7.13%		11.53%	[12],[18]	7.13%		10.13%	[16]
Spread		6.00%	[12],[18]	6.00%		6.00%	[12],[18]	6.00%		6.00%	[16]
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						173		94
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						3,185	[16]	2,585
Gross Additions						4,581		0
Gross Reductions						4,100		0
Ending balance		$ 3,666	[12],[18]	$ 2,585		3,666	[12],[18]	2,585
Fair value		$ 3,666	[12],[18]	$ 2,585		$ 3,666	[12],[18]	$ 2,585		$ 3,185	[16]
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%		8.00%		12.50%		8.00%		9.00%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						4		(16)
Amount of Interest, Fees or Dividends Credited to Income						2,173		1,416
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						37,800		34,800
Gross Additions						4,142		16
Gross Reductions						0		16
Ending balance		$ 41,942		$ 34,800		41,942		34,800
Fair value		41,942		34,800		41,942		34,800		$ 37,800
Investment, Identifier [Axis]: Heartland Dental, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[14],[16]									10.88%
Spread	[14],[16]									6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					13,599
Fair value	[14],[16]									$ 13,599
Investment, Identifier [Axis]: Houston Plating and Coatings, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						1,160		(690)
Amount of Interest, Fees or Dividends Credited to Income						2		16
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						2,400		3,210
Gross Additions						1,160		0
Gross Reductions						0		690
Ending balance		3,560		2,520		3,560		2,520
Fair value		$ 3,560		$ 2,520		$ 3,560		$ 2,520		$ 2,400
Investment, Identifier [Axis]: Houston Plating and Coatings, LLC, Unsecured Convertible Debt
Schedule of Investments [Line Items]
Total Rate		8.00%		8.00%		8.00%		8.00%		8.00%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						(170)		(210)
Amount of Interest, Fees or Dividends Credited to Income						121		121
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						3,000		2,960
Gross Additions						0		0
Gross Reductions						170		210
Ending balance		$ 2,830		$ 2,750		2,830		2,750
Fair value		$ 2,830		$ 2,750		$ 2,830		$ 2,750		$ 3,000
Investment, Identifier [Axis]: Hybrid Promotions, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		15.76%	[11],[12],[18]			15.76%	[11],[12],[18]			12.07%	[14],[15]
Spread		10.25%	[11],[12],[18]			10.25%	[11],[12],[18]			8.25%	[14],[15]
PIK Rate	[11],[12],[18]	2.00%				2.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]					$ 6,144
Ending balance	[11],[12],[18]	$ 5,716				5,716
Fair value		$ 5,716	[11],[12],[18]			$ 5,716	[11],[12],[18]			$ 6,144	[14],[15]
Investment, Identifier [Axis]: I-45 SLF LLC, Member Units (Fully diluted 20.0%; 21.75% profits interest)
Schedule of Investments [Line Items]
Total Rate	[19],[35],[36]									20.00%
Diluted, percentage		20.00%	[33],[38]			20.00%	[33],[38]			20.00%	[35],[36]
Profits, percentage		21.75%	[33],[38]			21.75%	[33],[38]			21.75%	[35],[36]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[19],[35],[36]					$ 11,758
Ending balance	[20],[33],[38]	$ 11,751				11,751
Fair value		$ 11,751	[20],[33],[38]			$ 11,751	[20],[33],[38]			$ 11,758	[19],[35],[36]
Investment, Identifier [Axis]: I-45 SLF LLC, Member Units (Fully diluted 20.0%; 21.75% profits interest)
Schedule of Investments [Line Items]
Diluted, percentage		20.00%		20.00%		20.00%		20.00%
Profits, percentage		21.75%		21.75%		21.75%		21.75%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						(1,207)		(1,438)
Amount of Interest, Fees or Dividends Credited to Income						1,123		943
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						11,758		14,387
Gross Additions						1,200		0
Gross Reductions						1,207		1,438
Ending balance		$ 11,751		$ 12,949		11,751		12,949
Fair value		11,751		12,949		11,751		12,949		11,758
Investment, Identifier [Axis]: IG Investor, LLC, Common Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						15,096
Gross Reductions						0
Ending balance		15,096				15,096
Fair value		15,096				15,096				0
Investment, Identifier [Axis]: IG Investor, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						84
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						761
Gross Reductions						800
Ending balance	[13]	(39)				(39)
Fair value		$ (39)	[13]			$ (39)	[13]			0
Investment, Identifier [Axis]: IG Investor, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%				13.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						896
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						37,333
Gross Reductions						0
Ending balance		$ 37,333				37,333
Fair value		$ 37,333				$ 37,333				$ 0
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[7],[15],[16],[51]									10.17%
Spread		5.75%	[8],[12],[13],[18]			5.75%	[8],[12],[13],[18]			5.75%	[7],[15],[16],[51]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15],[16],[51]					$ 698
Ending balance	[8],[12],[13],[18]	$ 0				0
Fair value		$ 0	[8],[12],[13],[18]			$ 0	[8],[12],[13],[18]			$ 698	[7],[15],[16],[51]
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.95%	[8],[12],[18]			10.95%	[8],[12],[18]			10.17%	[7],[15],[16]
Spread		5.75%	[8],[12],[18]			5.75%	[8],[12],[18]			5.75%	[7],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15],[16]					$ 14,499
Ending balance	[8],[12],[18]	$ 14,426				14,426
Fair value		$ 14,426	[8],[12],[18]			$ 14,426	[8],[12],[18]			$ 14,499	[7],[15],[16]
Investment, Identifier [Axis]: INW Manufacturing, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.29%	[8],[12],[18]			11.29%	[8],[12],[18]			10.48%	[7],[16]
Spread		5.75%	[8],[12],[18]			5.75%	[8],[12],[18]			5.75%	[7],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]					$ 6,092
Ending balance	[8],[12],[18]	$ 5,504				5,504
Fair value		$ 5,504	[8],[12],[18]			$ 5,504	[8],[12],[18]			$ 6,092	[7],[16]
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[13],[18]	9.00%				9.00%
PIK Rate	[13],[18]	2.00%				2.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						12
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						0
Gross Reductions						12
Ending balance	[13],[18]	$ (12)				(12)
Fair value		$ (12)	[13],[18]			$ (12)	[13],[18]			0
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread	[13],[18]	9.00%				9.00%
PIK Rate	[13],[18]	2.00%				2.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						0
Gross Reductions						10
Ending balance	[13],[18]	$ (10)				(10)
Fair value		$ (10)	[13],[18]			$ (10)	[13],[18]			0
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[18]	15.38%				15.38%
Spread	[18]	8.00%				8.00%
PIK Rate	[18]	2.00%				2.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						84
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						3,252
Gross Reductions						0
Ending balance	[18]	$ 3,252				3,252
Fair value		$ 3,252	[18]			$ 3,252	[18]			0
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[18]	17.38%				17.38%
Spread	[18]	10.00%				10.00%
PIK Rate	[18]	2.00%				2.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						86
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						3,252
Gross Reductions						0
Ending balance	[18]	$ 3,252				3,252
Fair value		3,252	[18]			3,252	[18]			0
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Warrants
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						2,091
Gross Reductions						0
Ending balance	[10]	2,091				2,091
Fair value		2,091	[10]			2,091	[10]			$ 0
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11]	1,166				1,166
Fair value	[11]	$ 1,166				$ 1,166
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[11],[12],[18]	12.24%				12.24%
Spread	[11],[12],[18]	7.00%				7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[18]	$ 20,167				$ 20,167
Fair value	[11],[12],[18]	$ 20,167				$ 20,167
Investment, Identifier [Axis]: Implus Footcare, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.65%	[11],[12],[18]			14.65%	[11],[12],[18]			13.98%	[14],[16]
Spread		7.75%	[11],[12],[18]			7.75%	[11],[12],[18]			7.75%	[14],[16]
PIK Rate		1.50%	[11],[12],[18]			1.50%	[11],[12],[18]			1.50%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 17,464
Ending balance	[11],[12],[18]	$ 16,591				16,591
Fair value		16,591	[11],[12],[18]			16,591	[11],[12],[18]			$ 17,464	[14],[16]
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Common Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						18,300
Gross Reductions						0
Ending balance	[11]	18,300				18,300
Fair value		18,300	[11]			18,300	[11]			0
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					0
Fair value	[14]									$ 0
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Preferred Stock (non-voting) 1
Schedule of Investments [Line Items]
Total Rate	[14]									6.00%
PIK Rate	[14]									6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					0
Fair value	[14]									$ 0
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Preferred Stock (non-voting) 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					0
Fair value	[14]									$ 0
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[16],[52]									13.00%
Spread	[14],[16],[52]									5.50%
PIK Rate	[14],[16],[52]									13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[52]					7,027
Fair value	[14],[16],[52]									$ 7,027
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[22]									6.00%
PIK Rate	[14],[22]									6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[22]					7,633
Fair value	[14],[22]									$ 7,633
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[15]									14.42%
Spread	[14],[15]									10.00%
PIK Rate	[14],[15]									14.42%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15]					769
Fair value	[14],[15]									$ 769
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[17],[53]					0
Fair value	[14],[17],[53]									0
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[29]					600
Ending balance	[11],[30]	600				600
Fair value		$ 600	[11],[30]			$ 600	[11],[30]			$ 600	[14],[29]
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Total Rate		10.00%	[11],[20],[30]			10.00%	[11],[20],[30]			10.00%	[14],[19],[29]
PIK Rate		10.00%	[11],[20],[30]			10.00%	[11],[20],[30]			10.00%	[14],[19],[29]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[19],[29]					$ 145
Ending balance	[11],[20],[30]	$ 149				149
Fair value		$ 149	[11],[20],[30]			$ 149	[11],[20],[30]			$ 145	[14],[19],[29]
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Total Rate		20.00%	[11],[20],[30]			20.00%	[11],[20],[30]			20.00%	[14],[19],[29]
PIK Rate		20.00%	[11],[20],[30]			20.00%	[11],[20],[30]			20.00%	[14],[19],[29]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[19],[29]					$ 93
Ending balance	[11],[20],[30]	$ 98				98
Fair value		$ 98	[11],[20],[30]			$ 98	[11],[20],[30]			$ 93	[14],[19],[29]
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.25%	[11],[12],[18]			12.25%	[11],[12],[18]			11.50%	[14],[16]
Spread		6.75%	[11],[12],[18]			6.75%	[11],[12],[18]			6.75%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 463
Ending balance	[11],[12],[18]	$ 1,004				1,004
Fair value		$ 1,004	[11],[12],[18]			$ 1,004	[11],[12],[18]			$ 463	[14],[16]
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.25%	[11],[12],[18]			12.25%	[11],[12],[18]			11.50%	[14],[16]
Spread		6.75%	[11],[12],[18]			6.75%	[11],[12],[18]			6.75%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 19,239
Ending balance	[11],[12],[18]	$ 19,142				19,142
Fair value		19,142	[11],[12],[18]			19,142	[11],[12],[18]			$ 19,239	[14],[16]
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						4,000
Gross Reductions						0
Ending balance		4,000				4,000
Fair value		$ 4,000				$ 4,000				0
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%				13.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						790
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						17,832
Gross Reductions						0
Ending balance		$ 17,832				17,832
Fair value		$ 17,832				$ 17,832				$ 0
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[12],[18]	10.70%				10.70%
Spread		5.50%	[11],[12],[18]			5.50%	[11],[12],[18]			5.50%	[14],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[17]					$ (19)
Ending balance	[11],[12],[18]	$ 1,481				1,481
Fair value		$ 1,481	[11],[12],[18]			$ 1,481	[11],[12],[18]			$ (19)	[14],[16],[17]
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.70%	[11],[12],[18]			10.70%	[11],[12],[18]			10.23%	[14],[16]
Spread		5.50%	[11],[12],[18]			5.50%	[11],[12],[18]			5.50%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 8,593
Ending balance	[11],[12],[18]	$ 8,550				8,550
Fair value		8,550	[11],[12],[18]			8,550	[11],[12],[18]			$ 8,593	[14],[16]
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11]	336				336
Fair value	[11]	$ 336				$ 336
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[12],[18]	13.14%				13.14%
Spread	[11],[12],[18]	8.00%				8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[18]	$ 264				$ 264
Fair value	[11],[12],[18]	$ 264				$ 264
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[12],[18]	13.07%				13.07%
Spread	[11],[12],[18]	8.00%				8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[18]	$ 10,023				$ 10,023
Fair value	[11],[12],[18]	10,023				10,023
Investment, Identifier [Axis]: Integral Energy Services, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						(460)
Amount of Interest, Fees or Dividends Credited to Income						21
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,280
Gross Additions						0
Gross Reductions						460
Ending balance	[11]	820				820
Fair value		$ 820	[11]			$ 820	[11]			1,280
Investment, Identifier [Axis]: Integral Energy Services, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[11],[12]	13.04%				13.04%
Spread	[11],[12]	7.50%				7.50%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(227)
Amount of Interest, Fees or Dividends Credited to Income						1,036
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						15,769
Gross Additions						33
Gross Reductions						227
Ending balance	[11],[12]	$ 15,575				15,575
Fair value		15,575	[11],[12]			15,575	[11],[12]			15,769
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					0
Ending balance	[11]	0				0
Fair value		$ 0	[11]			$ 0	[11]			$ 0	[14]
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.34%	[11],[18]			15.34%	[11],[18]			14.22%	[14],[54]
Spread		10.00%	[11],[18]			10.00%	[11],[18]			10.00%	[14],[54]
PIK Rate	[11],[18]	15.34%				15.34%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[54]					$ 1,682
Ending balance	[11],[18]	$ 1,781				1,781
Fair value		$ 1,781	[11],[18]			$ 1,781	[11],[18]			$ 1,682	[14],[54]
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.23%	[11],[12],[18],[21]			12.23%	[11],[12],[18],[21]			12.07%	[14],[16],[22]
Spread		7.00%	[11],[12],[18],[21]			7.00%	[11],[12],[18],[21]			7.00%	[14],[16],[22]
PIK Rate		12.23%	[11],[12],[18],[21]			12.23%	[11],[12],[18],[21]			1.00%	[14],[16],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[22]					$ 1,082
Ending balance	[11],[12],[18],[21]	$ 823				823
Fair value		$ 823	[11],[12],[18],[21]			$ 823	[11],[12],[18],[21]			$ 1,082	[14],[16],[22]
Investment, Identifier [Axis]: Intermedia Holdings, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.19%	[8],[12],[18]			11.19%	[8],[12],[18]			10.38%	[7],[16]
Spread		6.00%	[8],[12],[18]			6.00%	[8],[12],[18]			6.00%	[7],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]					$ 15,811
Ending balance	[8],[12],[18]	$ 16,594				16,594
Fair value		$ 16,594	[8],[12],[18]			$ 16,594	[8],[12],[18]			$ 15,811	[7],[16]
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.04%	[11],[12]			12.04%	[11],[12]			10.14%	[14],[16]
Spread		6.50%	[11],[12]			6.50%	[11],[12]			6.50%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 622
Ending balance	[11],[12]	$ 605				605
Fair value		$ 605	[11],[12]			$ 605	[11],[12]			$ 622	[14],[16]
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.04%	[11],[12]			12.04%	[11],[12]			10.17%	[14],[16]
Spread		6.50%	[11],[12]			6.50%	[11],[12]			6.50%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 16,889
Ending balance	[11],[12]	$ 16,429				16,429
Fair value		16,429	[11],[12]			16,429	[11],[12]			$ 16,889	[14],[16]
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,798		1,798
Gross Additions						958		0
Gross Reductions						0		0
Ending balance		2,756		1,798		2,756		1,798
Fair value		$ 2,756		$ 1,798		$ 2,756		$ 1,798		$ 1,798
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.50%		12.50%		13.50%		12.50%		12.50%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						307		204
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						4,500		3,170
Gross Additions						4		3
Gross Reductions						20		0
Ending balance		$ 4,484		$ 3,173		4,484		3,173
Fair value		$ 4,484		$ 3,173		$ 4,484		$ 3,173		$ 4,500
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.50%		12.50%		13.50%		12.50%		12.50%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						214		294
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						3,130		4,557
Gross Additions						3		4
Gross Reductions						14		0
Ending balance		$ 3,119		$ 4,561		3,119		4,561
Fair value		$ 3,119		$ 4,561		$ 3,119		$ 4,561		$ 3,130
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.50%		12.50%		13.50%		12.50%		12.50%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						600		1,839
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						8,944		28,749
Gross Additions						0		20
Gross Reductions						0		0
Ending balance		$ 8,944		$ 28,769		8,944		28,769
Fair value		$ 8,944		28,769		$ 8,944		28,769		$ 8,944
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		13.50%				13.50%				12.50%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						1,337
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						19,559
Gross Additions						17
Gross Reductions						88
Ending balance		$ 19,488				19,488
Fair value		$ 19,488				$ 19,488				$ 19,559
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 5
Schedule of Investments [Line Items]
Total Rate		13.50%				13.50%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						890
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						10,857
Gross Reductions						38
Ending balance		$ 10,819				10,819
Fair value		10,819				10,819				$ 0
Investment, Identifier [Axis]: Isagenix International, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8]	0				0
Fair value	[8]	$ 0				$ 0
Investment, Identifier [Axis]: Isagenix International, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.46%	[8],[12],[18]			12.46%	[8],[12],[18]			9.93%	[7],[16],[22]
Spread		5.50%	[8],[12],[18]			5.50%	[8],[12],[18]			7.75%	[7],[16],[22]
PIK Rate	[8],[12],[18]	3.00%				3.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16],[22]					$ 1,537
Ending balance	[8],[12],[18]	$ 2,074				2,074
Fair value		2,074	[8],[12],[18]			2,074	[8],[12],[18]			$ 1,537	[7],[16],[22]
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					2,840
Ending balance	[11]	2,660				2,660
Fair value		$ 2,660	[11]			$ 2,660	[11]			$ 2,840	[14]
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[11],[12],[13]			6.00%	[11],[12],[13]			6.00%	[14],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[17]					$ (135)
Ending balance	[11],[12],[13]	$ (118)				(118)
Fair value		$ (118)	[11],[12],[13]			$ (118)	[11],[12],[13]			$ (135)	[14],[16],[17]
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.54%	[11],[12]			11.54%	[11],[12]			10.73%	[14],[16]
Spread		6.00%	[11],[12]			6.00%	[11],[12]			6.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 36,947
Ending balance	[11],[12]	$ 36,474				36,474
Fair value		36,474	[11],[12]			36,474	[11],[12]			$ 36,947	[14],[16]
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Preferred Equity
Schedule of Investments [Line Items]
Total Rate	[14],[19]									12.00%
PIK Rate	[14],[19]									12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[19]					623
Ending balance	[11]	500				500
Fair value		$ 500	[11]			$ 500	[11]			$ 623	[14],[19]
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.69%	[11],[12]			12.69%	[11],[12]			12.23%	[14],[16]
Spread		7.50%	[11],[12]			7.50%	[11],[12]			7.50%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 500
Ending balance	[11],[12]	$ 651				651
Fair value		$ 651	[11],[12]			$ 651	[11],[12]			$ 500	[14],[16]
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.69%	[11],[12]			12.69%	[11],[12]			12.23%	[14],[16]
Spread		7.50%	[11],[12]			7.50%	[11],[12]			7.50%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 2,079
Ending balance	[11],[12]	$ 2,027				2,027
Fair value		2,027	[11],[12]			2,027	[11],[12]			$ 2,079	[14],[16]
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						(1,460)		2,700
Amount of Interest, Fees or Dividends Credited to Income						626		1,376
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						14,970	[16]	12,420
Gross Additions						0		2,700
Gross Reductions						1,460		0
Ending balance		13,510	[20]	15,120		13,510	[20]	15,120
Fair value		$ 13,510	[20]	$ 15,120		$ 13,510	[20]	$ 15,120		$ 14,970	[16]
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				10.00%				10.00%
Spread				6.75%				6.75%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								(4)
Amount of Interest, Fees or Dividends Credited to Income								130
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								2,550
Gross Additions								4
Gross Reductions								104
Ending balance				$ 2,450				2,450
Fair value				2,450				2,450
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.75%	[13]			6.75%	[13]			6.75%	[17]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17]					0
Gross Additions						0
Gross Reductions						0
Ending balance	[13]	$ 0				0
Fair value		$ 0	[13]			$ 0	[13]			$ 0	[17]
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.00%	[12]			15.00%	[12]			13.75%	[16]
Spread		6.75%	[12]			6.75%	[12]			6.75%	[16]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(3)
Amount of Interest, Fees or Dividends Credited to Income						183
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]					2,450
Gross Additions						3
Gross Reductions						3
Ending balance	[12]	$ 2,450				2,450
Fair value		2,450	[12]			2,450	[12]			$ 2,450	[16]
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]					0
Ending balance	[8]	0				0
Fair value		$ 0	[8]			$ 0	[8]			$ 0	[7]
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		23.35%	[8],[18],[21]			23.35%	[8],[18],[21]			18.00%	[7]
Spread	[8],[18],[21]	18.00%				18.00%
PIK Rate	[8],[18],[21]	23.35%				23.35%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]					$ 2,297
Ending balance	[8],[18],[21]	$ 2,151				2,151
Fair value		$ 2,151	[8],[18],[21]			$ 2,151	[8],[18],[21]			$ 2,297	[7]
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		21.48%	[8],[18],[21]			21.48%	[8],[18],[21]			19.75%	[7],[22]
Spread	[8],[18],[21]	16.00%				16.00%
PIK Rate		21.48%	[8],[18],[21]			21.48%	[8],[18],[21]			19.75%	[7],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[22]					$ 504
Ending balance	[8],[18],[21]	$ 280				280
Fair value		280	[8],[18],[21]			280	[8],[18],[21]			$ 504	[7],[22]
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						1,010		2,730
Amount of Interest, Fees or Dividends Credited to Income						91		566
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						5,540	[19]	3,150
Gross Additions						1,010		2,730
Gross Reductions						0		0
Ending balance		6,550	[20]	5,880		6,550	[20]	5,880
Fair value		$ 6,550	[20]	$ 5,880		$ 6,550	[20]	$ 5,880		$ 5,540	[19]
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				13.00%				13.00%
Spread				11.50%				11.50%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								92
Amount of Interest, Fees or Dividends Credited to Income								755
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								11,344
Gross Additions								115
Gross Reductions								1,038
Ending balance				$ 10,421				10,421
Fair value				10,421				10,421
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		11.50%	[12],[13]			11.50%	[12],[13]			11.50%	[16],[17]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(2)
Amount of Interest, Fees or Dividends Credited to Income						6
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16],[17]					0
Gross Additions						2
Gross Reductions						2
Ending balance	[12],[13]	$ 0				0
Fair value		$ 0	[12],[13]			$ 0	[12],[13]			$ 0	[16],[17]
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		16.75%	[12]			16.75%	[12]			15.63%	[16]
Spread		11.50%	[12]			11.50%	[12]			11.50%	[16]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(11)
Amount of Interest, Fees or Dividends Credited to Income						827
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]					9,999
Gross Additions						11
Gross Reductions						172
Ending balance	[12]	$ 9,838				9,838
Fair value		9,838	[12]			9,838	[12]			$ 9,999	[16]
Investment, Identifier [Axis]: JorVet Holdings, LLC, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)								0
Amount of Unrealized Gain/(Loss)								0
Amount of Interest, Fees or Dividends Credited to Income								54
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								0
Gross Additions								10,741
Gross Reductions								0
Ending balance				10,741				10,741
Fair value				$ 10,741				$ 10,741
Investment, Identifier [Axis]: JorVet Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						512
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[19]					10,741
Gross Additions						0
Gross Reductions						0
Ending balance	[20]	10,741				10,741
Fair value		$ 10,741	[20]			$ 10,741	[20]			$ 10,741	[19]
Investment, Identifier [Axis]: JorVet Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%		12.00%		12.00%		12.00%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						1,573		1,082
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						25,432		0
Gross Additions						26		25,406
Gross Reductions						0		0
Ending balance		$ 25,458		$ 25,406		25,458		25,406
Fair value		25,458		25,406		25,458		25,406		$ 25,432
Investment, Identifier [Axis]: KBK Industries, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						(3,210)		310
Amount of Interest, Fees or Dividends Credited to Income						6,496		685
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						15,570	[19]	13,620
Gross Additions						0		310
Gross Reductions						3,210		0
Ending balance		12,360	[20]	13,930		12,360	[20]	13,930
Fair value		$ 12,360	[20]	13,930		$ 12,360	[20]	13,930		15,570	[19]
Investment, Identifier [Axis]: KBK Industries, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		9.00%				9.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						49
Amount of Interest, Fees or Dividends Credited to Income						320
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						6,000
Gross Reductions						700
Ending balance		$ 5,300				5,300
Fair value		$ 5,300				$ 5,300				$ 0
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.81%	[11],[12]			12.81%	[11],[12]			12.00%	[14],[16]
Spread		7.25%	[11],[12]			7.25%	[11],[12]			7.25%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 995
Ending balance	[11],[12]	$ 954				954
Fair value		$ 954	[11],[12]			$ 954	[11],[12]			$ 995	[14],[16]
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.81%	[11],[12]			12.81%	[11],[12]			12.00%	[14],[16]
Spread		7.25%	[11],[12]			7.25%	[11],[12]			7.25%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 7,022
Ending balance	[11],[12]	$ 6,835				6,835
Fair value		6,835	[11],[12]			6,835	[11],[12]			$ 7,022	[14],[16]
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						(70)
Amount of Interest, Fees or Dividends Credited to Income						60
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[19],[29]					2,850
Gross Additions						0
Gross Reductions						70
Ending balance	[20],[30]	2,780				2,780
Fair value		2,780	[20],[30]			2,780	[20],[30]			2,850	[19],[29]
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)								0
Amount of Unrealized Gain/(Loss)								(70)
Amount of Interest, Fees or Dividends Credited to Income								0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								12,310
Gross Additions								0
Gross Reductions								70
Ending balance				12,240				12,240
Fair value				12,240				12,240
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)								0
Amount of Unrealized Gain/(Loss)								0
Amount of Interest, Fees or Dividends Credited to Income								55
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								2,460
Gross Additions								0
Gross Reductions								0
Ending balance				2,460				2,460
Fair value				$ 2,460				$ 2,460
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						510
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						7,220
Gross Additions						510
Gross Reductions						0
Ending balance		7,730				7,730
Fair value		$ 7,730				$ 7,730				$ 7,220
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%		11.50%		12.00%		11.50%		11.50%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						1,407		1,205
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						20,374		20,324
Gross Additions						195		25
Gross Reductions						0		0
Ending balance		$ 20,569		$ 20,349		20,569		20,349
Fair value		$ 20,569		$ 20,349		$ 20,569		$ 20,349		$ 20,374
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.00%		9.00%		9.00%		9.00%		9.00%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						175		177
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						3,842		3,876
Gross Additions						1		1
Gross Reductions						19		17
Ending balance		$ 3,824		$ 3,860		3,824		3,860
Fair value		$ 3,824		3,860		$ 3,824		3,860		$ 3,842
Investment, Identifier [Axis]: Kore Wireless Group Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.84%	[8],[18]			10.84%	[8],[18]			10.08%	[7],[15]
Spread		5.50%	[8],[18]			5.50%	[8],[18]			5.50%	[7],[15]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15]					$ 10,930
Ending balance	[8],[18]	$ 10,657				10,657
Fair value		10,657	[8],[18]			10,657	[8],[18]			$ 10,930	[7],[15]
Investment, Identifier [Axis]: L.F. Manufacturing Holdings, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)								0
Amount of Unrealized Gain/(Loss)								590
Amount of Interest, Fees or Dividends Credited to Income								224
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								2,560
Gross Additions								590
Gross Reductions								0
Ending balance				3,150				3,150
Fair value				3,150				3,150
Investment, Identifier [Axis]: L.F. Manufacturing Holdings, LLC, Preferred Member Units (non-voting)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)								0
Amount of Unrealized Gain/(Loss)								0
Amount of Interest, Fees or Dividends Credited to Income								8
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								107
Gross Additions								8
Gross Reductions								0
Ending balance				115				115
Fair value				$ 115				$ 115
Investment, Identifier [Axis]: LKCM Headwater Investments I, L.P., LP Interests
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[19],[35],[36],[37]					3,197
Ending balance	[20],[33],[38],[39]	3,354				3,354
Fair value		$ 3,354	[20],[33],[38],[39]			$ 3,354	[20],[33],[38],[39]			$ 3,197	[19],[35],[36],[37]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.43%	[11],[12],[18]			12.43%	[11],[12],[18]			11.21%	[14],[15],[16]
Spread		7.25%	[11],[12],[18]			7.25%	[11],[12],[18]			7.25%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 8,047
Ending balance	[11],[12],[18]	$ 8,004				8,004
Fair value		$ 8,004	[11],[12],[18]			$ 8,004	[11],[12],[18]			$ 8,047	[14],[15],[16]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.45%	[11],[12],[18],[55]			12.45%	[11],[12],[18],[55]			11.67%	[14],[15],[16]
Spread		7.25%	[11],[12],[18],[55]			7.25%	[11],[12],[18],[55]			7.25%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 9,130
Ending balance	[11],[12],[18],[55]	$ 9,154				9,154
Fair value		$ 9,154	[11],[12],[18],[55]			$ 9,154	[11],[12],[18],[55]			$ 9,130	[14],[15],[16]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.44%	[11],[12],[18]			12.44%	[11],[12],[18]			11.67%	[14],[15],[16]
Spread		7.25%	[11],[12],[18]			7.25%	[11],[12],[18]			7.25%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 10,749
Ending balance	[11],[12],[18]	$ 10,778				10,778
Fair value		$ 10,778	[11],[12],[18]			$ 10,778	[11],[12],[18]			$ 10,749	[14],[15],[16]
Investment, Identifier [Axis]: LLFlex, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		15.22%	[11],[12],[18]			15.22%	[11],[12],[18]			12.74%	[14],[16]
Spread		9.00%	[11],[12],[18]			9.00%	[11],[12],[18]			9.00%	[14],[16]
PIK Rate	[11],[12],[18]	1.00%				1.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 4,350
Ending balance	[11],[12],[18]	$ 4,037				4,037
Fair value		$ 4,037	[11],[12],[18]			$ 4,037	[11],[12],[18]			$ 4,350	[14],[16]
Investment, Identifier [Axis]: Lightbox Holdings, L.P., Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.50%	[8],[18]			10.50%	[8],[18]			9.73%	[7]
Spread		5.00%	[8],[18]			5.00%	[8],[18]			5.00%	[7]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]					$ 13,968
Ending balance	[8],[18]	$ 14,040				14,040
Fair value		$ 14,040	[8],[18]			$ 14,040	[8],[18]			$ 13,968	[7]
Investment, Identifier [Axis]: Logix Acquisition Company, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.48%	[11],[12]			11.48%	[11],[12]			10.13%	[14],[16]
Spread		5.75%	[11],[12]			5.75%	[11],[12]			5.75%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 16,221
Ending balance	[11],[12]	$ 19,137				19,137
Fair value		19,137	[11],[12]			19,137	[11],[12]			$ 16,221	[14],[16]
Investment, Identifier [Axis]: Looking Glass Investments, LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[35],[36]					25
Ending balance	[33],[38]	25				25
Fair value		$ 25	[33],[38]			$ 25	[33],[38]			$ 25	[35],[36]
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.20%	[8],[12],[18],[56]			11.20%	[8],[12],[18],[56]			10.42%	[7],[15],[16]
Spread		6.00%	[8],[12],[18],[56]			6.00%	[8],[12],[18],[56]			6.00%	[7],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15],[16]					$ 8,338
Ending balance	[8],[12],[18],[56]	$ 10,244				10,244
Fair value		$ 10,244	[8],[12],[18],[56]			$ 10,244	[8],[12],[18],[56]			$ 8,338	[7],[15],[16]
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.20%	[8],[12],[18]			11.20%	[8],[12],[18]			10.42%	[7],[15],[16]
Spread		6.00%	[8],[12],[18]			6.00%	[8],[12],[18]			6.00%	[7],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15],[16]					$ 7,876
Ending balance	[8],[12],[18]	$ 7,836				7,836
Fair value		7,836	[8],[12],[18]			7,836	[8],[12],[18]			$ 7,876	[7],[15],[16]
Investment, Identifier [Axis]: MH Corbin Holding LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						0
Gross Reductions						0
Ending balance		0				0
Fair value		0				0				0
Investment, Identifier [Axis]: MH Corbin Holding LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						0
Gross Reductions						0
Ending balance		0				0
Fair value		$ 0				$ 0				$ 0
Investment, Identifier [Axis]: MH Corbin Holding LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%	[26]	13.00%		13.00%	[26]	13.00%		13.00%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						1,150		(1,495)
Amount of Interest, Fees or Dividends Credited to Income						392		540
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						4,548		5,934
Gross Additions						1,150		9
Gross Reductions						195		1,655
Ending balance		$ 5,503	[26]	$ 4,288		5,503	[26]	4,288
Fair value		5,503	[26]	4,288		5,503	[26]	4,288		$ 4,548
Investment, Identifier [Axis]: MS Private Loan Fund I, LP, LP Interests
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[19],[35],[36],[37]					14,833
Ending balance	[20],[33],[38],[39]	14,635				14,635
Fair value		14,635	[20],[33],[38],[39]			14,635	[20],[33],[38],[39]			14,833	[19],[35],[36],[37]
Investment, Identifier [Axis]: MS Private Loan Fund I, LP, Secured Debt
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[35],[36]					0
Ending balance	[13],[33],[38]	0				0
Fair value		0	[13],[33],[38]			0	[13],[33],[38]			0	[17],[35],[36]
Investment, Identifier [Axis]: MS Private Loan Fund, LP Interests
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						(198)		(544)
Amount of Interest, Fees or Dividends Credited to Income						776		191
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						14,833		2,581
Gross Additions						0		8,750
Gross Reductions						198		544
Ending balance		14,635		10,787		14,635		10,787
Fair value		14,635		10,787		14,635		10,787		14,833
Investment, Identifier [Axis]: MS Private Loan Fund, Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						13
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						0
Gross Reductions						0
Ending balance		0				0
Fair value		0				0				0
Investment, Identifier [Axis]: MS Private Loan Fund, Secured Debt 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						0
Gross Reductions						0
Ending balance		0				0
Fair value		0				0				0
Investment, Identifier [Axis]: MSC Adviser I, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						11,040		(22,080)
Amount of Interest, Fees or Dividends Credited to Income						5,916		3,983
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						122,930	[19],[57]	140,400
Gross Additions						11,040		0
Gross Reductions						0		22,080
Ending balance		133,970	[20],[58]	118,320		133,970	[20],[58]	118,320
Fair value		133,970	[20],[58]	118,320		133,970	[20],[58]	118,320		122,930	[19],[57]
Investment, Identifier [Axis]: MSC Income Fund, Inc., Common Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						(65)		0
Amount of Interest, Fees or Dividends Credited to Income						32		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						753	[19],[35],[36]	0
Gross Additions						2,000		750
Gross Reductions						65		0
Ending balance		2,688	[20],[33],[38]	750		2,688	[20],[33],[38]	750
Fair value		$ 2,688	[20],[33],[38]	$ 750		$ 2,688	[20],[33],[38]	$ 750		$ 753	[19],[35],[36]
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.91%	[11],[12]			12.91%	[11],[12]			11.79%	[14],[16],[59]
Spread		7.25%	[11],[12]			7.25%	[11],[12]			7.25%	[14],[16],[59]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[59]					$ 3,083
Ending balance	[11],[12]	$ 2,373				2,373
Fair value		$ 2,373	[11],[12]			$ 2,373	[11],[12]			$ 3,083	[14],[16],[59]
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.91%	[11],[12]			12.91%	[11],[12]			11.09%	[14],[16]
Spread		7.25%	[11],[12]			7.25%	[11],[12]			7.25%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 15,224
Ending balance	[11],[12]	$ 15,147				15,147
Fair value		15,147	[11],[12]			15,147	[11],[12]			$ 15,224	[14],[16]
Investment, Identifier [Axis]: Market Force Information, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						(16,642)
Amount of Unrealized Gain/(Loss)						16,642
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						16,642
Gross Reductions						16,642
Ending balance		0				0
Fair value		$ 0				$ 0				$ 0
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				12.13%				12.13%		15.13%	[16]
Spread		11.00%		11.00%		11.00%		11.00%		11.00%	[16]
Amount of Realized Gain/(Loss)						$ (6,662)		$ 0
Amount of Unrealized Gain/(Loss)						163		0
Amount of Interest, Fees or Dividends Credited to Income						453		217
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						6,090	[16]	3,400
Gross Additions						804		1,000
Gross Reductions						6,894		0
Ending balance		$ 0		$ 4,400		0		4,400
Fair value		0		$ 4,400		0		$ 4,400		$ 6,090	[16]
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				12.00%				12.00%		12.00%	[22]
PIK Rate				12.00%				12.00%		12.00%	[22]
Amount of Realized Gain/(Loss)						(25,952)		$ 0
Amount of Unrealized Gain/(Loss)						24,342		(1,405)
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,610	[22]	8,936
Gross Additions						24,342		0
Gross Reductions						25,952		1,405
Ending balance		0		$ 7,531		0		7,531
Fair value		0		7,531		0		7,531		$ 1,610	[22]
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						(137)
Amount of Interest, Fees or Dividends Credited to Income						619
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,537
Gross Additions						0
Gross Reductions						137
Ending balance	[20]	1,400				1,400
Fair value		$ 1,400	[20]			$ 1,400	[20]			$ 1,537
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Preferred Equity
Schedule of Investments [Line Items]
Total Rate		8.00%	[20]			8.00%	[20]			8.00%	[19]
PIK Rate		8.00%	[20]			8.00%	[20]			8.00%	[19]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						118
Amount of Interest, Fees or Dividends Credited to Income						148
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[19]					6,010
Gross Additions						235
Gross Reductions						0
Ending balance	[20]	$ 6,245				6,245
Fair value		6,245	[20]			6,245	[20]			$ 6,010	[19]
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						5
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17]					0
Gross Additions						0
Gross Reductions						0
Ending balance	[13]	0				0
Fair value		$ 0	[13]			$ 0	[13]			$ 0	[17]
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.75%				12.75%				12.75%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						1,518
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						23,576
Gross Additions						23
Gross Reductions						0
Ending balance		$ 23,599				23,599
Fair value		$ 23,599				$ 23,599				$ 23,576
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.25%	[11],[12],[13],[18]			6.25%	[11],[12],[13],[18]			6.25%	[14],[15],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[17]					$ (63)
Ending balance	[11],[12],[13],[18]	$ (57)				(57)
Fair value		$ (57)	[11],[12],[13],[18]			$ (57)	[11],[12],[13],[18]			$ (63)	[14],[15],[16],[17]
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.44%	[11],[12],[18]			11.44%	[11],[12],[18]			9.86%	[14],[15],[16]
Spread		6.25%	[11],[12],[18]			6.25%	[11],[12],[18]			6.25%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 25,181
Ending balance	[11],[12],[18]	$ 23,945				23,945
Fair value		$ 23,945	[11],[12],[18]			$ 23,945	[11],[12],[18]			$ 25,181	[14],[15],[16]
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.77%	[11],[12],[18]			11.77%	[11],[12],[18]			10.66%	[14],[16]
Spread		6.50%	[11],[12],[18]			6.50%	[11],[12],[18]			6.25%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 18,338
Ending balance	[11],[12],[18]	$ 17,884				17,884
Fair value		17,884	[11],[12],[18]			17,884	[11],[12],[18]			$ 18,338	[14],[16]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[36],[50]					889
Ending balance	[11],[33],[34]	889				889
Fair value		$ 889	[11],[33],[34]			$ 889	[11],[33],[34]			$ 889	[14],[36],[50]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[12],[33],[34]	12.54%				12.54%
Spread		7.00%	[11],[12],[33],[34]			7.00%	[11],[12],[33],[34]			7.00%	[14],[16],[17],[36],[50]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[17],[36],[50]					$ (64)
Ending balance	[11],[12],[33],[34]	$ 3,648				3,648
Fair value		$ 3,648	[11],[12],[33],[34]			$ 3,648	[11],[12],[33],[34]			$ (64)	[14],[16],[17],[36],[50]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.54%	[11],[12],[33],[34]			12.54%	[11],[12],[33],[34]			11.73%	[14],[16],[36],[50]
Spread		7.00%	[11],[12],[33],[34]			7.00%	[11],[12],[33],[34]			7.00%	[14],[16],[36],[50]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[36],[50]					$ 10,714
Ending balance	[11],[12],[33],[34]	$ 10,899				10,899
Fair value		$ 10,899	[11],[12],[33],[34]			$ 10,899	[11],[12],[33],[34]			$ 10,714	[14],[16],[36],[50]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.54%	[11],[12],[18],[33],[34]			12.54%	[11],[12],[18],[33],[34]			11.73%	[14],[16],[36],[50]
Spread		7.00%	[11],[12],[18],[33],[34]			7.00%	[11],[12],[18],[33],[34]			7.00%	[14],[16],[36],[50]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[36],[50]					$ 17,038
Ending balance	[11],[12],[18],[33],[34]	$ 17,038				17,038
Fair value		17,038	[11],[12],[18],[33],[34]			17,038	[11],[12],[18],[33],[34]			$ 17,038	[14],[16],[36],[50]
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						4,320		7,370
Amount of Interest, Fees or Dividends Credited to Income						1,977		1,596
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						22,830	[19]	8,840
Gross Additions						4,320		7,370
Gross Reductions						0		0
Ending balance		27,150	[20]	16,210		27,150	[20]	16,210
Fair value		27,150	[20]	$ 16,210		27,150	[20]	$ 16,210		22,830	[19]
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				10.00%				10.00%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								(1)
Amount of Interest, Fees or Dividends Credited to Income								312
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								6,378
Gross Additions								1
Gross Reductions								281
Ending balance				$ 6,098				6,098
Fair value				6,098				6,098
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17]					0
Gross Additions						0
Gross Reductions						0
Ending balance	[13]	0				0
Fair value		$ 0	[13]			$ 0	[13]			$ 0	[17]
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%				10.00%				10.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						289
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						5,746
Gross Additions						0
Gross Reductions						0
Ending balance		$ 5,746				5,746
Fair value		5,746				5,746				$ 5,746
Investment, Identifier [Axis]: NAPCO Precast, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						880		(1,730)
Amount of Interest, Fees or Dividends Credited to Income						0		4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						11,830		13,560
Gross Additions						880		0
Gross Reductions						0		1,730
Ending balance		12,710		11,830		12,710		11,830
Fair value		$ 12,710		11,830		$ 12,710		11,830		$ 11,830
Investment, Identifier [Axis]: NBG Acquisition Inc, Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.71%	[8],[12],[21]			10.71%	[8],[12],[21]			9.67%	[7],[16]
Spread		5.50%	[8],[12],[21]			5.50%	[8],[12],[21]			5.50%	[7],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]					$ 1,251
Ending balance	[8],[12],[21]	$ 154				154
Fair value		154	[8],[12],[21]			154	[8],[12],[21]			$ 1,251	[7],[16]
Investment, Identifier [Axis]: NRP Jones, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)								0
Amount of Unrealized Gain/(Loss)								(970)
Amount of Interest, Fees or Dividends Credited to Income								198
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						4,790	[19]	6,440
Gross Additions								0
Gross Reductions								970
Ending balance				5,470				5,470
Fair value				$ 5,470				$ 5,470		4,790	[19]
Investment, Identifier [Axis]: NRP Jones, LLC, Member Units 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[20]	145				145
Fair value	[20]	145				145
Investment, Identifier [Axis]: NRP Jones, LLC, Member Units 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						(750)
Amount of Interest, Fees or Dividends Credited to Income						36
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						4,615
Gross Additions						0
Gross Reductions						750
Ending balance		3,865				3,865
Fair value		3,865				3,865				4,615
Investment, Identifier [Axis]: NRP Jones, LLC, Member Units 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[20]	3,865				3,865
Fair value	[20]	3,865				3,865
Investment, Identifier [Axis]: NRP Jones, LLC, Member Units 2.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						(31)
Amount of Interest, Fees or Dividends Credited to Income						(2)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						175
Gross Additions						0
Gross Reductions						30
Ending balance		145				145
Fair value		$ 145				$ 145				$ 175
Investment, Identifier [Axis]: NRP Jones, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%		12.00%		12.00%		12.00%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						126		126
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						2,080		2,080
Gross Additions						0		0
Gross Reductions						0		0
Ending balance		$ 2,080		$ 2,080		2,080		2,080
Fair value		$ 2,080		2,080		$ 2,080		2,080		$ 2,080
Investment, Identifier [Axis]: NTM Acquisition Corp., Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.64%	[8],[12],[18]			13.64%	[8],[12],[18]			9.50%	[7],[16]
Spread		7.25%	[8],[12],[18]			7.25%	[8],[12],[18]			6.25%	[7],[16]
PIK Rate		1.00%	[8],[12],[18]			1.00%	[8],[12],[18]			1.00%	[7],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]					$ 4,228
Ending balance	[8],[12],[18]	$ 4,068				4,068
Fair value		$ 4,068	[8],[12],[18]			$ 4,068	[8],[12],[18]			$ 4,228	[7],[16]
Investment, Identifier [Axis]: NWN Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.13%	[11],[12],[18],[60]			13.13%	[11],[12],[18],[60]			10.85%	[14],[15],[16],[61]
Spread		8.00%	[11],[12],[18],[60]			8.00%	[11],[12],[18],[60]			8.00%	[14],[15],[16],[61]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[61]					$ 3,720
Ending balance	[11],[12],[18],[60]	$ 2,811				2,811
Fair value		$ 2,811	[11],[12],[18],[60]			$ 2,811	[11],[12],[18],[60]			$ 3,720	[14],[15],[16],[61]
Investment, Identifier [Axis]: NWN Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.19%	[11],[12],[18]			13.19%	[11],[12],[18]			12.56%	[14],[15],[16]
Spread		8.00%	[11],[12],[18]			8.00%	[11],[12],[18]			8.00%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 37,616
Ending balance	[11],[12],[18]	$ 37,923				37,923
Fair value		$ 37,923	[11],[12],[18]			$ 37,923	[11],[12],[18]			$ 37,616	[14],[15],[16]
Investment, Identifier [Axis]: NWN Corporation, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		20.00%	[11]			20.00%	[11]			20.00%	[14]
PIK Rate		20.00%	[11]			20.00%	[11]			20.00%	[14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					$ 6,194
Ending balance	[11]	$ 6,934				6,934
Fair value		6,934	[11]			6,934	[11]			$ 6,194	[14]
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						5,090		0
Amount of Interest, Fees or Dividends Credited to Income						302		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						7,700		7,700
Gross Additions						5,090		0
Gross Reductions						0		0
Ending balance		12,790	[20]	7,700		12,790	[20]	7,700
Fair value		$ 12,790	[20]	$ 7,700		$ 12,790	[20]	$ 7,700		$ 7,700
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%		12.00%		12.00%
Spread	[16],[17]									7.00%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								0
Amount of Interest, Fees or Dividends Credited to Income								649
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						$ 0	[16],[17]	10,412
Gross Additions								11
Gross Reductions								0
Ending balance		$ 21,294		$ 10,423		21,294		10,423
Fair value		$ 21,294		$ 10,423		$ 21,294		$ 10,423		$ 0	[16],[17]
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 1.1
Schedule of Investments [Line Items]
Spread		7.00%				7.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						5
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						0
Gross Reductions						0
Ending balance		$ 0				0
Fair value		$ 0				$ 0				$ 0
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%		12.00%		12.00%		12.00%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								0
Amount of Interest, Fees or Dividends Credited to Income								548
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						$ 20,094		4,829
Gross Additions								6,544
Gross Reductions								0
Ending balance		$ 10,500		$ 11,373		10,500		11,373
Fair value		$ 10,500		11,373		$ 10,500		11,373		$ 20,094
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		12.00%				12.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						6
Amount of Interest, Fees or Dividends Credited to Income						1,258
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						20,094
Gross Additions						1,200
Gross Reductions						0
Ending balance		$ 21,294				21,294
Fair value		$ 21,294				$ 21,294				$ 20,094
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.00%				12.00%				12.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(11)
Amount of Interest, Fees or Dividends Credited to Income						644
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						10,500
Gross Additions						11
Gross Reductions						11
Ending balance		$ 10,500				10,500
Fair value		10,500				10,500				$ 10,500
Investment, Identifier [Axis]: NexRev LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						2,340		(3,080)
Amount of Interest, Fees or Dividends Credited to Income						151		40
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,110	[19]	2,690
Gross Additions						2,340		0
Gross Reductions						0		1,750
Ending balance		3,450	[20]	940		3,450	[20]	940
Fair value		3,450	[20]	$ 940		3,450	[20]	$ 940		1,110	[19]
Investment, Identifier [Axis]: NexRev LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				11.00%				11.00%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								(1,703)
Amount of Interest, Fees or Dividends Credited to Income								1,222
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								14,045
Gross Additions								0
Gross Reductions								5,783
Ending balance				$ 8,262				8,262
Fair value				8,262				8,262
Investment, Identifier [Axis]: NexRev LLC, Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17]					0
Gross Additions						0
Gross Reductions						0
Ending balance	[13]	0				0
Fair value		$ 0	[13]			$ 0	[13]			$ 0	[17]
Investment, Identifier [Axis]: NexRev LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%				10.00%				11.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						1,500
Amount of Interest, Fees or Dividends Credited to Income						616
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						8,477
Gross Additions						1,545
Gross Reductions						1,654
Ending balance		$ 8,368				8,368
Fair value		$ 8,368				$ 8,368				$ 8,477
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.25%	[11],[12],[13],[18]			6.25%	[11],[12],[13],[18]			6.25%	[14],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[17]					$ 0
Ending balance	[11],[12],[13],[18]	$ 0				0
Fair value		$ 0	[11],[12],[13],[18]			$ 0	[11],[12],[13],[18]			$ 0	[14],[16],[17]
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread		6.25%	[11],[12],[13],[18]			6.25%	[11],[12],[13],[18]			6.25%	[14],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[17]					$ (38)
Ending balance	[11],[12],[13],[18]	$ (29)				(29)
Fair value		$ (29)	[11],[12],[13],[18]			$ (29)	[11],[12],[13],[18]			$ (38)	[14],[16],[17]
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.26%	[11],[12],[18]			11.26%	[11],[12],[18]			9.99%	[14],[16]
Spread		6.00%	[11],[12],[18]			6.00%	[11],[12],[18]			6.25%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 21,666
Ending balance	[11],[12],[18]	$ 20,467				20,467
Fair value		20,467	[11],[12],[18]			20,467	[11],[12],[18]			$ 21,666	[14],[16]
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)								0
Amount of Unrealized Gain/(Loss)								(1,940)
Amount of Interest, Fees or Dividends Credited to Income								0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								13,500
Gross Additions								0
Gross Reductions								1,940
Ending balance				11,560				11,560
Fair value				$ 11,560				$ 11,560
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						340
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						8,040
Gross Additions						340
Gross Reductions						0
Ending balance		8,380				8,380
Fair value		8,380				8,380				8,040
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						5,150
Gross Additions						0
Gross Reductions						0
Ending balance		5,150				5,150
Fair value		$ 5,150				$ 5,150				$ 5,150
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.75%	[12]	7.63%		11.75%	[12]	7.63%		10.63%	[16]
Spread		6.50%	[12]	6.50%		6.50%	[12]	6.50%		6.50%	[16]
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						251		110
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						4,399	[16]	1,720
Gross Additions						0		1,480
Gross Reductions						0		0
Ending balance		$ 4,399	[12]	$ 3,200		4,399	[12]	3,200
Fair value		$ 4,399	[12]	$ 3,200		$ 4,399	[12]	$ 3,200		$ 4,399	[16]
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%		12.00%		12.00%		12.00%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		28
Amount of Interest, Fees or Dividends Credited to Income						1,119		1,043
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						18,414		17,240
Gross Additions						6		1,200
Gross Reductions						0		0
Ending balance		$ 18,420		$ 18,440		18,420		18,440
Fair value		18,420		18,440		18,420		18,440		$ 18,414
Investment, Identifier [Axis]: OMi Topco, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						6,500		90
Amount of Interest, Fees or Dividends Credited to Income						1,350		1,197
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						22,810	[19]	20,210
Gross Additions						6,500		90
Gross Reductions						0		0
Ending balance		29,310	[20]	20,300		29,310	[20]	20,300
Fair value		$ 29,310	[20]	$ 20,300		$ 29,310	[20]	$ 20,300		$ 22,810	[19]
Investment, Identifier [Axis]: OMi Topco, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%		12.00%		12.00%		12.00%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						(25)		(29)
Amount of Interest, Fees or Dividends Credited to Income						952		1,099
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						15,750		18,000
Gross Additions						25		29
Gross Reductions						1,525		1,279
Ending balance		$ 14,250		$ 16,750		14,250		16,750
Fair value		$ 14,250		$ 16,750		14,250		$ 16,750		$ 15,750
Investment, Identifier [Axis]: OVG Business Services, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[14],[16]									10.64%
Spread	[14],[16]									6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 13,094
Fair value	[14],[16]									$ 13,094
Investment, Identifier [Axis]: Obra Capital, Inc, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[8],[18]	11.22%				11.22%
Spread	[8],[18]	6.00%				6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8],[18]	$ 13,763				$ 13,763
Fair value	[8],[18]	13,763				13,763
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						0
Gross Reductions						0
Ending balance		0				0
Fair value		$ 0				$ 0				$ 0
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Preferred Stock
Schedule of Investments [Line Items]
Total Rate		7.00%				7.00%				7.00%
PIK Rate		7.00%				7.00%				7.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						0
Gross Reductions						0
Ending balance		$ 0				0
Fair value		$ 0				$ 0				$ 0
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%	[21]	12.00%		12.00%	[21]	12.00%		12.00%	[22]
PIK Rate		12.00%	[21]	12.00%		12.00%	[21]	12.00%		12.00%	[22]
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						(127)		(155)
Amount of Interest, Fees or Dividends Credited to Income						0		28
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						569	[22]	935
Gross Additions						0		28
Gross Reductions						128		155
Ending balance		$ 441	[21]	$ 808		441	[21]	808
Fair value		$ 441	[21]	$ 808		$ 441	[21]	$ 808		$ 569	[22]
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%	[21]	12.00%		12.00%	[21]	12.00%		12.00%	[22]
PIK Rate		12.00%	[21]	12.00%		12.00%	[21]	12.00%		12.00%	[22]
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						(130)		(158)
Amount of Interest, Fees or Dividends Credited to Income						0		29
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						580	[22]	954
Gross Additions						0		29
Gross Reductions						130		158
Ending balance		$ 450	[21]	$ 825		450	[21]	825
Fair value		$ 450	[21]	$ 825		$ 450	[21]	$ 825		$ 580	[22]
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.00%	[21]	12.00%		12.00%	[21]	12.00%		12.00%	[22]
PIK Rate		12.00%	[21]	12.00%		12.00%	[21]	12.00%		12.00%	[22]
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						(280)		(341)
Amount of Interest, Fees or Dividends Credited to Income						0		62
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,249	[22]	2,055
Gross Additions						0		62
Gross Reductions						280		341
Ending balance		$ 969	[21]	$ 1,776		969	[21]	1,776
Fair value		$ 969	[21]	$ 1,776		$ 969	[21]	$ 1,776		$ 1,249	[22]
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.00%	[21]	12.00%		12.00%	[21]	12.00%		12.00%	[22]
PIK Rate		12.00%	[21]	12.00%		12.00%	[21]	12.00%		12.00%	[22]
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						(584)		(710)
Amount of Interest, Fees or Dividends Credited to Income						0		129
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						2,606	[22]	4,286
Gross Additions						0		129
Gross Reductions						584		711
Ending balance		$ 2,022	[21]	$ 3,704		2,022	[21]	3,704
Fair value		$ 2,022	[21]	$ 3,704		$ 2,022	[21]	$ 3,704		$ 2,606	[22]
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Unsecured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%	[21]	10.00%		10.00%	[21]	10.00%		10.00%	[22]
PIK Rate		10.00%	[21]	10.00%		10.00%	[21]	10.00%		10.00%	[22]
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						0		5
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						305	[22]	191
Gross Additions						0		11
Gross Reductions						0		5
Ending balance		$ 305	[21]	$ 197		305	[21]	197
Fair value		305	[21]	197		305	[21]	197		$ 305	[22]
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Warrants
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[9]					0
Gross Additions						0
Gross Reductions						0
Ending balance	[10]	0				0
Fair value		0	[10]			0	[10]			0	[9]
Investment, Identifier [Axis]: Oneliance, LLC, Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,056		1,056
Gross Additions						72		0
Gross Reductions						0		0
Ending balance		1,128		1,056		1,128		1,056
Fair value		$ 1,128		$ 1,056		$ 1,128		$ 1,056		$ 1,056
Investment, Identifier [Axis]: Oneliance, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.06%				12.06%
Spread				11.00%				11.00%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								0
Amount of Interest, Fees or Dividends Credited to Income								344
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								5,547
Gross Additions								6
Gross Reductions								0
Ending balance				$ 5,553				5,553
Fair value				5,553				5,553
Investment, Identifier [Axis]: Oneliance, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		11.00%	[12],[13]			11.00%	[12],[13]			11.00%	[16],[17]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16],[17]					0
Gross Additions						0
Gross Reductions						0
Ending balance	[12],[13]	$ 0				0
Fair value		$ 0	[12],[13]			$ 0	[12],[13]			$ 0	[16],[17]
Investment, Identifier [Axis]: Oneliance, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		16.25%	[12]			16.25%	[12]			15.13%	[16]
Spread		11.00%	[12]			11.00%	[12]			11.00%	[16]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(61)
Amount of Interest, Fees or Dividends Credited to Income						447
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]					5,559
Gross Additions						6
Gross Reductions						141
Ending balance	[12]	$ 5,424				5,424
Fair value		5,424	[12]			5,424	[12]			$ 5,559	[16]
Investment, Identifier [Axis]: Orttech Holdings, LLC, Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						4,810		0
Amount of Interest, Fees or Dividends Credited to Income						537		386
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						11,750	[19],[29]	10,000
Gross Additions						4,810		0
Gross Reductions						0		0
Ending balance		16,560	[20],[30]	10,000		16,560	[20],[30]	10,000
Fair value		$ 16,560	[20],[30]	$ 10,000		$ 16,560	[20],[30]	$ 10,000		$ 11,750	[19],[29]
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%				12.00%
Spread				11.00%				11.00%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								0
Amount of Interest, Fees or Dividends Credited to Income								1,494
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								24,150
Gross Additions								29
Gross Reductions								400
Ending balance				$ 23,779				23,779
Fair value				23,779				23,779
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		11.00%	[12],[13]			11.00%	[12],[13]			11.00%	[16],[17]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16],[17]					0
Gross Additions						0
Gross Reductions						0
Ending balance	[12],[13]	$ 0				0
Fair value		$ 0	[12],[13]			$ 0	[12],[13]			$ 0	[16],[17]
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		16.25%	[12]			16.25%	[12]			15.13%	[16]
Spread		11.00%	[12]			11.00%	[12]			11.00%	[16]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						142
Amount of Interest, Fees or Dividends Credited to Income						1,863
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]					23,429
Gross Additions						171
Gross Reductions						800
Ending balance	[12]	$ 22,800				22,800
Fair value		$ 22,800	[12]			$ 22,800	[12]			$ 23,429	[16]
Investment, Identifier [Axis]: Ospemifene Royalty Sub LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.50%	[11],[21]			11.50%	[11],[21]			11.50%	[14],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[22]					$ 103
Ending balance	[11],[21]	$ 75				75
Fair value		75	[11],[21]			75	[11],[21]			$ 103	[14],[22]
Investment, Identifier [Axis]: Other, Affiliate Investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0		0
Gross Additions						0		0
Gross Reductions						0		0
Ending balance		0		0		0		0
Fair value		0		0		0		0		0
Investment, Identifier [Axis]: Other, Control Investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						0
Gross Reductions						0
Ending balance		0				0
Fair value		0				0				0
Investment, Identifier [Axis]: PPL RVs, Inc., Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)								0
Amount of Unrealized Gain/(Loss)								4,130
Amount of Interest, Fees or Dividends Credited to Income								462
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								14,360
Gross Additions								4,130
Gross Reductions								0
Ending balance				18,490				18,490
Fair value				$ 18,490				$ 18,490
Investment, Identifier [Axis]: PPL RVs, Inc., Common Stock 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						(880)
Amount of Interest, Fees or Dividends Credited to Income						157
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[19]					18,950
Gross Additions						0
Gross Reductions						880
Ending balance	[20]	18,070				18,070
Fair value		18,070	[20]			18,070	[20]			18,950	[19]
Investment, Identifier [Axis]: PPL RVs, Inc., Common Stock 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						12
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						238
Gross Additions						12
Gross Reductions						0
Ending balance	[30]	250				250
Fair value		$ 250	[30]			$ 250	[30]			$ 238
Investment, Identifier [Axis]: PPL RVs, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate				7.97%				7.97%
Spread				7.00%				7.00%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								251
Amount of Interest, Fees or Dividends Credited to Income								683
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								12,381
Gross Additions								9,264
Gross Reductions								2,000
Ending balance				$ 19,645				19,645
Fair value				19,645				19,645
Investment, Identifier [Axis]: PPL RVs, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		8.75%	[12],[13]			8.75%	[12],[13]			7.00%	[16],[17]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(1)
Amount of Interest, Fees or Dividends Credited to Income						1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16],[17]					0
Gross Additions						1
Gross Reductions						1
Ending balance	[12],[13]	$ 0				0
Fair value		$ 0	[12],[13]			$ 0	[12],[13]			$ 0	[16],[17]
Investment, Identifier [Axis]: PPL RVs, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.63%	[12]			13.63%	[12]			10.25%	[16]
Spread		8.75%	[12]			8.75%	[12]			7.00%	[16]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(39)
Amount of Interest, Fees or Dividends Credited to Income						1,365
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]					21,655
Gross Additions						39
Gross Reductions						1,404
Ending balance	[12]	$ 20,290				20,290
Fair value		$ 20,290	[12]			$ 20,290	[12]			$ 21,655	[16]
Investment, Identifier [Axis]: PTL US Bidco, Inc, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[12],[33]	14.50%				14.50%
Spread		6.25%	[11],[12],[33]			6.25%	[11],[12],[33]			7.25%	[14],[15],[16],[17],[36]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[17],[36]					$ (174)
Ending balance	[11],[12],[33]	$ 2,385				2,385
Fair value		$ 2,385	[11],[12],[33]			$ 2,385	[11],[12],[33]			$ (174)	[14],[15],[16],[17],[36]
Investment, Identifier [Axis]: PTL US Bidco, Inc, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.64%	[11],[12],[18],[33]			12.64%	[11],[12],[18],[33]			11.80%	[14],[15],[16],[36]
Spread		7.25%	[11],[12],[18],[33]			7.25%	[11],[12],[18],[33]			7.25%	[14],[15],[16],[36]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[36]					$ 27,911
Ending balance	[11],[12],[18],[33]	$ 26,681				26,681
Fair value		$ 26,681	[11],[12],[18],[33]			$ 26,681	[11],[12],[18],[33]			$ 27,911	[14],[15],[16],[36]
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.10%	[11],[12],[18]			11.10%	[11],[12],[18]			10.26%	[14],[15],[16]
Spread		5.75%	[11],[12],[18]			5.75%	[11],[12],[18]			5.75%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 530
Ending balance	[11],[12],[18]	$ 216				216
Fair value		$ 216	[11],[12],[18]			$ 216	[11],[12],[18]			$ 530	[14],[15],[16]
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.92%	[11],[12],[18]			10.92%	[11],[12],[18]			9.96%	[14],[15],[16],[62]
Spread		5.75%	[11],[12],[18]			5.75%	[11],[12],[18]			5.75%	[14],[15],[16],[62]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[62]					$ 2,649
Ending balance	[11],[12],[18]	$ 3,221				3,221
Fair value		$ 3,221	[11],[12],[18]			$ 3,221	[11],[12],[18]			$ 2,649	[14],[15],[16],[62]
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.88%	[11],[12],[18]			10.88%	[11],[12],[18]			9.81%	[14],[15],[16]
Spread		5.75%	[11],[12],[18]			5.75%	[11],[12],[18]			5.75%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 17,939
Ending balance	[11],[12],[18]	$ 18,692				18,692
Fair value		18,692	[11],[12],[18]			18,692	[11],[12],[18]			$ 17,939	[14],[15],[16]
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)								0
Amount of Unrealized Gain/(Loss)								12,780
Amount of Interest, Fees or Dividends Credited to Income								2,856
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								26,970
Gross Additions								12,780
Gross Reductions								0
Ending balance				39,750				39,750
Fair value				$ 39,750				$ 39,750
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						830
Amount of Interest, Fees or Dividends Credited to Income						5,708
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[19]					43,260
Gross Additions						830
Gross Reductions						0
Ending balance	[20]	44,090				44,090
Fair value		$ 44,090	[20]			$ 44,090	[20]			43,260	[19]
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%				12.00%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								(61)
Amount of Interest, Fees or Dividends Credited to Income								1,942
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								32,674
Gross Additions								1,561
Gross Reductions								5,554
Ending balance				$ 28,681				28,681
Fair value				28,681				28,681
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%				12.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						4
Amount of Interest, Fees or Dividends Credited to Income						142
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17]					0
Gross Additions						3,500
Gross Reductions						0
Ending balance		$ 3,500				3,500
Fair value		$ 3,500				$ 3,500				0	[17]
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%				12.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						40
Amount of Interest, Fees or Dividends Credited to Income						534
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17]					0
Gross Additions						13,500
Gross Reductions						0
Ending balance		$ 13,500				13,500
Fair value		$ 13,500				$ 13,500				$ 0	[17]
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.00%				12.00%				12.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(35)
Amount of Interest, Fees or Dividends Credited to Income						1,722
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						28,681
Gross Additions						35
Gross Reductions						1,035
Ending balance		$ 27,681				27,681
Fair value		27,681				27,681				$ 28,681
Investment, Identifier [Axis]: Power System Solutions, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11]	1,234				1,234
Fair value	[11]	$ 1,234				$ 1,234
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13],[18]	6.75%				6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13],[18]	$ (91)				$ (91)
Fair value	[11],[12],[13],[18]	$ (91)				$ (91)
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 2
Schedule of Investments [Line Items]
Spread	[11],[12],[13],[18]	6.75%				6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13],[18]	$ (91)				$ (91)
Fair value	[11],[12],[13],[18]	$ (91)				$ (91)
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[12],[18]	11.90%				11.90%
Spread	[11],[12],[18]	6.75%				6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[18]	$ 17,965				$ 17,965
Fair value	[11],[12],[18]	$ 17,965				$ 17,965
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[11],[12],[18]	11.94%				11.94%
Spread	[11],[12],[18]	6.85%				6.85%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[18]	$ 7,770				$ 7,770
Fair value	[11],[12],[18]	7,770				7,770
Investment, Identifier [Axis]: Principle Environmental, LLC, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						(90)		30
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						590		710
Gross Additions						0		30
Gross Reductions						90		0
Ending balance		500		740		500		740
Fair value		500		740		500		740		590
Investment, Identifier [Axis]: Principle Environmental, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						(1,940)		370
Amount of Interest, Fees or Dividends Credited to Income						429		437
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						12,420	[19]	11,160
Gross Additions						0		370
Gross Reductions						1,940		0
Ending balance		10,480	[20]	11,530		10,480	[20]	11,530
Fair value		$ 10,480	[20]	$ 11,530		$ 10,480	[20]	$ 11,530		12,420	[19]
Investment, Identifier [Axis]: Principle Environmental, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%				13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 5,817				$ 5,817
Fair value		5,817				5,817
Investment, Identifier [Axis]: Principle Environmental, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				13.00%				13.00%
Amount of Realized Gain/(Loss)						0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						0		86
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0	[17]	1,465
Gross Additions						0		6
Gross Reductions						0		1,000
Ending balance		0		$ 471		0		471
Fair value		$ 0		$ 471		$ 0		$ 471		$ 0	[17]
Investment, Identifier [Axis]: Principle Environmental, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%		13.00%		13.00%		13.00%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						397		399
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						5,806		5,808
Gross Additions						11		12
Gross Reductions						0		0
Ending balance		$ 5,817		$ 5,820		5,817		5,820
Fair value		$ 5,817		5,820		$ 5,817		5,820		$ 5,806
Investment, Identifier [Axis]: Project Eagle Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[11],[12],[13],[18]			6.00%	[11],[12],[13],[18]			6.25%	[14],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[17]					$ (18)
Ending balance	[11],[12],[13],[18]	$ (16)				(16)
Fair value		$ (16)	[11],[12],[13],[18]			$ (16)	[11],[12],[13],[18]			$ (18)	[14],[16],[17]
Investment, Identifier [Axis]: Project Eagle Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.22%	[11],[12],[18]			11.22%	[11],[12],[18]			10.64%	[14],[16]
Spread		6.00%	[11],[12],[18]			6.00%	[11],[12],[18]			6.25%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 29,419
Ending balance	[11],[12],[18]	$ 29,271				29,271
Fair value		29,271	[11],[12],[18]			29,271	[11],[12],[18]			$ 29,419	[14],[16]
Investment, Identifier [Axis]: Quality Lease Service, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						(98)		76
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						525		2,149
Gross Additions						33		76
Gross Reductions						98		1,150
Ending balance		460		1,075		460		1,075
Fair value		460		$ 1,075		460		$ 1,075		525
Investment, Identifier [Axis]: Quality Lease Service, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						0
Gross Reductions						0
Ending balance		0				0
Fair value		0				0				0
Investment, Identifier [Axis]: Quality Lease Service, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%				12.00%
Amount of Realized Gain/(Loss)						(29,526)		$ (51)
Amount of Unrealized Gain/(Loss)						29,865		0
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0		0
Gross Additions						29,865		0
Gross Reductions						29,865		0
Ending balance		0		$ 0		0		0
Fair value		$ 0		0		$ 0		0		$ 0
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.75%	[11],[12],[13],[18]			6.75%	[11],[12],[13],[18]			6.75%	[14],[15],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[17]					$ (11)
Ending balance	[11],[12],[13],[18]	$ (37)				(37)
Fair value		$ (37)	[11],[12],[13],[18]			$ (37)	[11],[12],[13],[18]			$ (11)	[14],[15],[16],[17]
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.88%	[11],[12],[18]			11.88%	[11],[12],[18]			10.56%	[14],[15],[16]
Spread		6.75%	[11],[12],[18]			6.75%	[11],[12],[18]			6.75%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 12,094
Ending balance	[11],[12],[18]	$ 12,171				12,171
Fair value		12,171	[11],[12],[18]			12,171	[11],[12],[18]			$ 12,094	[14],[15],[16]
Investment, Identifier [Axis]: RM Bidder, LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					19
Ending balance	[11]	17				17
Fair value		17	[11]			17	[11]			19	[14]
Investment, Identifier [Axis]: RM Bidder, LLC, Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[63]					0
Ending balance	[11],[64]	0				0
Fair value		$ 0	[11],[64]			$ 0	[11],[64]			$ 0	[14],[63]
Investment, Identifier [Axis]: RTIC Subsidiary Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.01%	[11],[12],[18]			13.01%	[11],[12],[18]			12.02%	[14],[15],[16],[65]
Spread		7.75%	[11],[12],[18]			7.75%	[11],[12],[18]			7.75%	[14],[15],[16],[65]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[65]					$ 1,258
Ending balance	[11],[12],[18]	$ 1,645				1,645
Fair value		$ 1,645	[11],[12],[18]			$ 1,645	[11],[12],[18]			$ 1,258	[14],[15],[16],[65]
Investment, Identifier [Axis]: RTIC Subsidiary Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.01%	[11],[12],[18]			13.01%	[11],[12],[18]			11.49%	[14],[15],[16]
Spread		7.75%	[11],[12],[18]			7.75%	[11],[12],[18]			7.75%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 15,367
Ending balance	[11],[12],[18]	$ 13,985				13,985
Fair value		$ 13,985	[11],[12],[18]			$ 13,985	[11],[12],[18]			$ 15,367	[14],[15],[16]
Investment, Identifier [Axis]: Research Now Group, Inc. and Survey Sampling International, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.80%	[8],[12],[18]			10.80%	[8],[12],[18]			8.84%	[7],[16]
Spread		5.50%	[8],[12],[18]			5.50%	[8],[12],[18]			5.50%	[7],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]					$ 15,116
Ending balance	[8],[12],[18]	$ 14,238				14,238
Fair value		14,238	[8],[12],[18]			14,238	[8],[12],[18]			$ 15,116	[7],[16]
Investment, Identifier [Axis]: River Aggregates, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						0		100
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						3,620	[29]	3,280
Gross Additions						0		100
Gross Reductions						0		0
Ending balance		3,620	[30]	3,380		3,620	[30]	3,380
Fair value		3,620	[30]	3,380		3,620	[30]	3,380		3,620	[29]
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						(8,740)		4,670
Amount of Interest, Fees or Dividends Credited to Income						0		279
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						14,880		11,070
Gross Additions						0		4,670
Gross Reductions						8,740		0
Ending balance		6,140		15,740		6,140		15,740
Fair value		6,140		$ 15,740		6,140		$ 15,740		14,880
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%				12.00%
Spread				11.00%				11.00%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								0
Amount of Interest, Fees or Dividends Credited to Income								2,241
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								35,956
Gross Additions								43
Gross Reductions								225
Ending balance				$ 35,774				35,774
Fair value				35,774				35,774
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						16
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16],[17]					(35)
Gross Additions						4
Gross Reductions						0
Ending balance	[13]	(31)				(31)
Fair value		$ (31)	[13]			$ (31)	[13]			$ (35)	[16],[17]
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%				12.50%				12.50%	[16]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(444)
Amount of Interest, Fees or Dividends Credited to Income						2,255
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]					35,404
Gross Additions						40
Gross Reductions						1,119
Ending balance		$ 34,325				34,325
Fair value		34,325				34,325				$ 35,404	[16]
Investment, Identifier [Axis]: Rocaceia, LLC (Quality Lease and Rental Holdings, LLC), Preferred Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Ending balance		0				0
Fair value		$ 0				0				$ 0
Investment, Identifier [Axis]: Rocaceia, LLC (Quality Lease and Rental Holdings, LLC), Secured Debt
Schedule of Investments [Line Items]
Total Rate	[22],[28],[66]									12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[22],[28],[66]					$ 0
Fair value	[22],[28],[66]									$ 0
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[15],[16]									10.97%
Spread		6.50%	[11],[12],[13],[18]			6.50%	[11],[12],[13],[18]			6.50%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 311
Ending balance	[11],[12],[13],[18]	$ 0				0
Fair value		$ 0	[11],[12],[13],[18]			$ 0	[11],[12],[13],[18]			$ 311	[14],[15],[16]
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.65%	[11],[12],[18]			11.65%	[11],[12],[18]			10.32%	[14],[15],[16]
Spread		6.50%	[11],[12],[18]			6.50%	[11],[12],[18]			6.50%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 2,333
Ending balance	[11],[12],[18]	$ 2,333				2,333
Fair value		$ 2,333	[11],[12],[18]			$ 2,333	[11],[12],[18]			$ 2,333	[14],[15],[16]
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.65%	[11],[12],[18],[67]			12.65%	[11],[12],[18],[67]			10.32%	[14],[15],[16]
Spread		7.50%	[11],[12],[18],[67]			7.50%	[11],[12],[18],[67]			6.50%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 3,173
Ending balance	[11],[12],[18],[67]	$ 4,418				4,418
Fair value		$ 4,418	[11],[12],[18],[67]			$ 4,418	[11],[12],[18],[67]			$ 3,173	[14],[15],[16]
Investment, Identifier [Axis]: Rug Doctor, LLC., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.43%	[11],[12],[18]			13.43%	[11],[12],[18]			13.02%	[14],[15],[16]
Spread		6.00%	[11],[12],[18]			6.00%	[11],[12],[18]			6.25%	[14],[15],[16]
PIK Rate		2.00%	[11],[12],[18]			2.00%	[11],[12],[18]			2.00%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 5,037
Ending balance	[11],[12],[18]	$ 5,343				5,343
Fair value		$ 5,343	[11],[12],[18]			$ 5,343	[11],[12],[18]			$ 5,037	[14],[15],[16]
Investment, Identifier [Axis]: Rug Doctor, LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.43%	[11],[12],[18]			13.43%	[11],[12],[18]			13.02%	[14],[15],[16]
Spread		6.00%	[11],[12],[18]			6.00%	[11],[12],[18]			6.25%	[14],[15],[16]
PIK Rate		2.00%	[11],[12],[18]			2.00%	[11],[12],[18]			2.00%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 7,478
Ending balance	[11],[12],[18]	$ 7,922				7,922
Fair value		7,922	[11],[12],[18]			7,922	[11],[12],[18]			$ 7,478	[14],[15],[16]
Investment, Identifier [Axis]: SI East, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						1,823		1,260
Amount of Interest, Fees or Dividends Credited to Income						639		345
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						13,650	[19]	11,570
Gross Additions						2,130		1,260
Gross Reductions						0		0
Ending balance		15,780	[20]	12,830		15,780	[20]	12,830
Fair value		15,780	[20]	$ 12,830		15,780	[20]	$ 12,830		13,650	[19]
Investment, Identifier [Axis]: SI East, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				10.25%				10.25%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								(36)
Amount of Interest, Fees or Dividends Credited to Income								3,751
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								65,850
Gross Additions								36
Gross Reductions								1,525
Ending balance				$ 64,361				64,361
Fair value				64,361				64,361
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						14
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17]					0
Gross Additions						0
Gross Reductions						0
Ending balance	[13]	0				0
Fair value		$ 0	[13]			$ 0	[13]			$ 0	[17]
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.78%	[68]			12.78%	[68]			9.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						$ 89,786
Ending balance	[68]	$ 54,536				54,536
Fair value		$ 54,536	[68]			$ 54,536	[68]			$ 89,786
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		12.78%				12.78%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						268
Amount of Interest, Fees or Dividends Credited to Income						568
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						54,536
Gross Reductions						0
Ending balance		$ 54,536				54,536
Fair value		54,536				54,536				0
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						(79)
Amount of Interest, Fees or Dividends Credited to Income						3,885
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						89,786
Gross Additions						0
Gross Reductions						89,786
Ending balance		0				0
Fair value		0				0				89,786
Investment, Identifier [Axis]: SIB Holdings, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					146
Ending balance	[11]	97				97
Fair value		$ 97	[11]			$ 97	[11]			$ 146	[14]
Investment, Identifier [Axis]: SIB Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.68%	[11],[12],[18]			11.68%	[11],[12],[18]			11.01%	[14],[16]
Spread		6.25%	[11],[12],[18]			6.25%	[11],[12],[18]			6.25%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 393
Ending balance	[11],[12],[18]	$ 534				534
Fair value		$ 534	[11],[12],[18]			$ 534	[11],[12],[18]			$ 393	[14],[16]
Investment, Identifier [Axis]: SIB Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.68%	[11],[12],[18]			11.68%	[11],[12],[18]			11.01%	[14],[16]
Spread		6.25%	[11],[12],[18]			6.25%	[11],[12],[18]			6.25%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 1,433
Ending balance	[11],[12],[18]	$ 1,387				1,387
Fair value		$ 1,387	[11],[12],[18]			$ 1,387	[11],[12],[18]			$ 1,433	[14],[16]
Investment, Identifier [Axis]: SIB Holdings, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.68%	[11],[12],[18]			11.68%	[11],[12],[18]			11.01%	[14],[16]
Spread		6.25%	[11],[12],[18]			6.25%	[11],[12],[18]			6.25%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 7,151
Ending balance	[11],[12],[18]	$ 6,899				6,899
Fair value		6,899	[11],[12],[18]			6,899	[11],[12],[18]			$ 7,151	[14],[16]
Investment, Identifier [Axis]: SPAU Holdings, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					639
Ending balance	[11]	550				550
Fair value		$ 550	[11]			$ 550	[11]			$ 639	[14]
Investment, Identifier [Axis]: SPAU Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[12],[18]	12.96%				12.96%
Spread		7.50%	[11],[12],[18]			7.50%	[11],[12],[18]			7.50%	[14],[15],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[17]					$ (57)
Ending balance	[11],[12],[18]	$ 958				958
Fair value		$ 958	[11],[12],[18]			$ 958	[11],[12],[18]			$ (57)	[14],[15],[16],[17]
Investment, Identifier [Axis]: SPAU Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.61%	[11],[12],[18]			12.61%	[11],[12],[18]			11.06%	[14],[15],[16]
Spread		7.50%	[11],[12],[18]			7.50%	[11],[12],[18]			7.50%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 15,928
Ending balance	[11],[12],[18]	$ 15,808				15,808
Fair value		15,808	[11],[12],[18]			15,808	[11],[12],[18]			$ 15,928	[14],[15],[16]
Investment, Identifier [Axis]: Savers, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[15],[16]									10.34%
Spread	[7],[15],[16]									5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15],[16]					10,938
Fair value	[7],[15],[16]									$ 10,938
Investment, Identifier [Axis]: Slick Innovations, LLC, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						320		130
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,530	[19]	1,510
Gross Additions						320		130
Gross Reductions						0		0
Ending balance		1,850	[20]	1,640		1,850	[20]	1,640
Fair value		$ 1,850	[20]	$ 1,640		$ 1,850	[20]	$ 1,640		$ 1,530	[19]
Investment, Identifier [Axis]: Slick Innovations, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.00%		13.00%		14.00%		13.00%		14.00%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						(22)		(28)
Amount of Interest, Fees or Dividends Credited to Income						980		340
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						13,840		5,320
Gross Additions						22		28
Gross Reductions						822		708
Ending balance		$ 13,040		$ 4,640		13,040		4,640
Fair value		13,040		4,640		13,040		4,640		$ 13,840
Investment, Identifier [Axis]: Slick Innovations, LLC, Warrants
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)								0
Amount of Unrealized Gain/(Loss)								40
Amount of Interest, Fees or Dividends Credited to Income								0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								400
Gross Additions								40
Gross Reductions								0
Ending balance				440				440
Fair value				440				440
Investment, Identifier [Axis]: Sonic Systems International, LLC, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)								0
Amount of Unrealized Gain/(Loss)								64
Amount of Interest, Fees or Dividends Credited to Income								21
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,280	[14]	1,070
Gross Additions								350
Gross Reductions								0
Ending balance				1,420				1,420
Fair value				$ 1,420				$ 1,420		$ 1,280	[14]
Investment, Identifier [Axis]: Sonic Systems International, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				8.50%				8.50%		11.24%	[14],[16]
Spread				7.50%				7.50%		7.50%	[14],[16]
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								(233)
Amount of Interest, Fees or Dividends Credited to Income								565
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						15,769	[14],[16]	11,757
Gross Additions								3,737
Gross Reductions								234
Ending balance				$ 15,260				15,260
Fair value				15,260				15,260		$ 15,769	[14],[16]
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					1,316
Ending balance	[11]	1,208				1,208
Fair value		$ 1,208	[11]			$ 1,208	[11]			$ 1,316	[14]
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.25%	[11],[12],[13]			5.25%	[11],[12],[13]			5.75%	[14],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[17]					$ (71)
Ending balance	[11],[12],[13]	$ (62)				(62)
Fair value		$ (62)	[11],[12],[13]			$ (62)	[11],[12],[13]			$ (71)	[14],[16],[17]
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.90%	[11],[12]			10.90%	[11],[12]			9.69%	[14],[16]
Spread		5.25%	[11],[12]			5.25%	[11],[12]			5.75%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 41,255
Ending balance	[11],[12]	$ 35,094				35,094
Fair value		$ 35,094	[11],[12]			$ 35,094	[11],[12]			$ 41,255	[14],[16]
Investment, Identifier [Axis]: Staples Canada ULC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.26%	[11],[12],[33],[34],[69]			12.26%	[11],[12],[33],[34],[69]			11.83%	[14],[16],[36],[50],[70]
Spread		7.00%	[11],[12],[33],[34],[69]			7.00%	[11],[12],[33],[34],[69]			7.00%	[14],[16],[36],[50],[70]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[36],[50],[70]					$ 12,481
Ending balance	[11],[12],[33],[34],[69]	$ 11,660				11,660
Fair value		$ 11,660	[11],[12],[33],[34],[69]			$ 11,660	[11],[12],[33],[34],[69]			$ 12,481	[14],[16],[36],[50],[70]
Investment, Identifier [Axis]: Stellant Systems, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.91%	[8],[12],[18]			10.91%	[8],[12],[18]			10.05%	[7],[15],[16]
Spread		5.50%	[8],[12],[18]			5.50%	[8],[12],[18]			5.50%	[7],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15],[16]					$ 7,166
Ending balance	[8],[12],[18]	$ 7,234				7,234
Fair value		7,234	[8],[12],[18]			7,234	[8],[12],[18]			$ 7,166	[7],[15],[16]
Investment, Identifier [Axis]: Student Resource Center, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					0
Gross Additions						0
Gross Reductions						0
Ending balance	[11]	0				0
Fair value		$ 0	[11]			$ 0	[11]			$ 0	[14]
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		8.50%	[11]			8.50%	[11]			13.27%	[14]
Spread	[14]									8.50%
PIK Rate	[11]	8.50%				8.50%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						216
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					4,556
Gross Additions						214
Gross Reductions						0
Ending balance	[11]	$ 4,770				4,770
Fair value		4,770	[11]			4,770	[11]			$ 4,556	[14]
Investment, Identifier [Axis]: Superior Rigging & Erecting Co., Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						1,140		0
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						4,500		4,500
Gross Additions						1,140		0
Gross Reductions						0		0
Ending balance		5,640		4,500		5,640		4,500
Fair value		$ 5,640		$ 4,500		$ 5,640		$ 4,500		$ 4,500
Investment, Identifier [Axis]: Superior Rigging & Erecting Co., Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%		12.00%		12.00%		12.00%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						1,285		1,320
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						21,378		21,332
Gross Additions						27		23
Gross Reductions						1,000		0
Ending balance		$ 20,405		$ 21,355		20,405		21,355
Fair value		$ 20,405		21,355		20,405		21,355		$ 21,378
Investment, Identifier [Axis]: Tacala Investment Corp., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[16],[71],[72]									7.88%
Spread	[16],[71],[72]									3.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16],[71],[72]					$ 1,904
Fair value	[16],[71],[72]									$ 1,904
Investment, Identifier [Axis]: Team Public Choices, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.27%	[8],[12],[18]			10.27%	[8],[12],[18]			9.93%	[7],[16]
Spread		5.00%	[8],[12],[18]			5.00%	[8],[12],[18]			5.00%	[7],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]					$ 14,290
Ending balance	[8],[12],[18]	$ 14,466				14,466
Fair value		14,466	[8],[12],[18]			14,466	[8],[12],[18]			$ 14,290	[7],[16]
Investment, Identifier [Axis]: Tectonic Financial, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[19]					5,630
Ending balance	[20]	5,170				5,170
Fair value		5,170	[20]			5,170	[20]			5,630	[19]
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)								0
Amount of Unrealized Gain/(Loss)								(1,487)
Amount of Interest, Fees or Dividends Credited to Income								0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						7,681		8,579
Gross Additions								222
Gross Reductions								1,487
Ending balance				7,314				7,314
Fair value				$ 7,314				$ 7,314		7,681
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						(1,391)
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						7,681
Gross Additions						0
Gross Reductions						1,391
Ending balance		6,290				6,290
Fair value		6,290				6,290				7,681
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						178
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						533
Gross Reductions						0
Ending balance		533				533
Fair value		$ 533				$ 533				$ 0
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%		12.00%		12.00%		12.00%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						111		961
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,840		15,141
Gross Additions						0		44
Gross Reductions						0		0
Ending balance		$ 1,840		$ 15,185		1,840		15,185
Fair value		$ 1,840		15,185		$ 1,840		15,185		$ 1,840
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%				12.00%				12.00%
Amount of Realized Gain/(Loss)						$ 0		0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						923		102
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						15,120		1,040
Gross Additions						7		800
Gross Reductions						0		0
Ending balance		$ 15,127		1,840		15,127		1,840
Fair value		15,127		1,840		15,127		1,840		$ 15,120
Investment, Identifier [Axis]: Televerde, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						674		(2,135)
Amount of Interest, Fees or Dividends Credited to Income						592		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						5,408		7,280
Gross Additions						674		0
Gross Reductions						0		2,135
Ending balance		6,082	[20]	5,145		6,082	[20]	5,145
Fair value		6,082	[20]	5,145		6,082	[20]	5,145		5,408
Investment, Identifier [Axis]: Televerde, LLC, Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						0		1,076
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,794		0
Gross Additions						0		1,794
Gross Reductions						0		0
Ending balance		1,794		1,794		1,794		1,794
Fair value		1,794		1,794		1,794		1,794		1,794
Investment, Identifier [Axis]: Tex Tech Tennis, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[29]					1,830
Ending balance	[11],[30]	2,040				2,040
Fair value		2,040	[11],[30]			2,040	[11],[30]			1,830	[14],[29]
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						80		302
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						6,400	[19]	6,400
Gross Additions						0		0
Gross Reductions						0		0
Ending balance		6,400	[20]	6,400		6,400	[20]	6,400
Fair value		6,400	[20]	$ 6,400		6,400	[20]	$ 6,400		$ 6,400	[19]
Investment, Identifier [Axis]: The Affiliati Network, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				11.83%				11.83%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								0
Amount of Interest, Fees or Dividends Credited to Income								794
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								13,096
Gross Additions								2,187
Gross Reductions								3,640
Ending balance				$ 11,643				11,643
Fair value				11,643				11,643
Investment, Identifier [Axis]: The Affiliati Network, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate										13.00%
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						12
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						106
Gross Additions						1,962
Gross Reductions						2,080
Ending balance	[13]	(12)				(12)
Fair value		$ (12)	[13]			$ (12)	[13]			$ 106
Investment, Identifier [Axis]: The Affiliati Network, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%				13.00%				13.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(129)
Amount of Interest, Fees or Dividends Credited to Income						607
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						9,442
Gross Additions						15
Gross Reductions						729
Ending balance		$ 8,728				8,728
Fair value		8,728				8,728				$ 9,442
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						3,970		(570)
Amount of Interest, Fees or Dividends Credited to Income						58		58
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						7,800	[19]	8,660
Gross Additions						3,970		0
Gross Reductions						0		570
Ending balance		11,770	[20]	8,090		11,770	[20]	8,090
Fair value		11,770	[20]	$ 8,090		11,770	[20]	$ 8,090		7,800	[19]
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%				12.00%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								(12)
Amount of Interest, Fees or Dividends Credited to Income								528
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								8,712
Gross Additions								14
Gross Reductions								412
Ending balance				$ 8,314				8,314
Fair value				8,314				8,314
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						(2)
Amount of Interest, Fees or Dividends Credited to Income						4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17]					0
Gross Additions						2
Gross Reductions						2
Ending balance	[13]	0				0
Fair value		$ 0	[13]			$ 0	[13]			$ 0	[17]
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%				12.00%				12.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						(9)
Amount of Interest, Fees or Dividends Credited to Income						487
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						7,920
Gross Additions						9
Gross Reductions						9
Ending balance		$ 7,920				7,920
Fair value		$ 7,920				7,920				$ 7,920
Investment, Identifier [Axis]: U.S. TelePacific Corp., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[15],[16]									11.57%
Spread	[7],[15],[16]									1.25%
PIK Rate	[7],[15],[16]									7.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15],[16]					$ 6,859
Fair value	[7],[15],[16]									$ 6,859
Investment, Identifier [Axis]: U.S. TelePacific Corp., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[8],[12],[18]	6.00%				6.00%
Spread	[8],[12],[18]	1.00%				1.00%
PIK Rate	[8],[12],[18]	6.00%				6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8],[12],[18]	$ 3,924				$ 3,924
Fair value	[8],[12],[18]	$ 3,924				$ 3,924
Investment, Identifier [Axis]: U.S. TelePacific Corp., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[8],[12],[18]	6.00%				6.00%
Spread	[8],[12],[18]	1.00%				1.00%
PIK Rate	[8],[12],[18]	6.00%				6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8],[12],[18]	$ 0				$ 0
Fair value	[8],[12],[18]	$ 0				$ 0
Investment, Identifier [Axis]: USA DeBusk LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.94%	[11],[12]			10.94%	[11],[12]			9.82%	[14],[16]
Spread		5.75%	[11],[12]			5.75%	[11],[12]			5.75%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 33,577
Ending balance	[11],[12]	$ 33,407				33,407
Fair value		33,407	[11],[12]			33,407	[11],[12]			$ 33,577	[14],[16]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]					0
Gross Additions						0
Gross Reductions						0
Ending balance	[8]	0				0
Fair value		$ 0	[8]			$ 0	[8]			$ 0	[7]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock 1
Schedule of Investments [Line Items]
Total Rate		20.00%	[8],[20]			20.00%	[8],[20]			20.00%	[7],[19]
PIK Rate		20.00%	[8],[20]			20.00%	[8],[20]			20.00%	[7],[19]
Amount of Realized Gain/(Loss)						$ 0		0
Amount of Unrealized Gain/(Loss)						(221)		(181)
Amount of Interest, Fees or Dividends Credited to Income						221		181
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						2,833	[7],[19]	2,833
Gross Additions						221		181
Gross Reductions						221		181
Ending balance		$ 2,833	[8],[20]	2,833		2,833	[8],[20]	2,833
Fair value		$ 2,833	[8],[20]	2,833		$ 2,833	[8],[20]	2,833		$ 2,833	[7],[19]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock 2
Schedule of Investments [Line Items]
Total Rate		20.00%	[8]			20.00%	[8]			20.00%	[7]
PIK Rate		20.00%	[8]			20.00%	[8]			20.00%	[7]
Amount of Realized Gain/(Loss)						$ 0		0
Amount of Unrealized Gain/(Loss)						1,668		393
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,991	[7]	1,498
Gross Additions						1,668		393
Gross Reductions						0		0
Ending balance		$ 3,659	[8]	1,891		3,659	[8]	1,891
Fair value		$ 3,659	[8]	$ 1,891		$ 3,659	[8]	$ 1,891		$ 1,991	[7]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock 3
Schedule of Investments [Line Items]
Total Rate		19.00%	[8]			19.00%	[8]			19.00%	[7]
PIK Rate		19.00%	[8]			19.00%	[8]			19.00%	[7]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]					0
Gross Additions						0
Gross Reductions						0
Ending balance	[8]	$ 0				0
Fair value		$ 0	[8]			$ 0	[8]			$ 0	[7]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock 4
Schedule of Investments [Line Items]
Total Rate		13.50%	[8]			13.50%	[8]			13.50%	[7]
PIK Rate		13.50%	[8]			13.50%	[8]			13.50%	[7]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]					0
Gross Additions						0
Gross Reductions						0
Ending balance	[8]	$ 0				0
Fair value		$ 0	[8]			$ 0	[8]			$ 0	[7]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Secured Convertible Debt
Schedule of Investments [Line Items]
Total Rate		15.00%	[8]	15.00%		15.00%	[8]	15.00%		15.00%	[7]
PIK Rate		15.00%	[8]	15.00%		15.00%	[8]	15.00%		15.00%	[7]
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						1,380		72
Amount of Interest, Fees or Dividends Credited to Income						187		95
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						4,592	[7]	2,375
Gross Additions						1,567		309
Gross Reductions						0		96
Ending balance		$ 6,159	[8]	$ 2,588		6,159	[8]	2,588
Fair value		$ 6,159	[8]	$ 2,588		$ 6,159	[8]	$ 2,588		$ 4,592	[7]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				9.07%				9.07%		10.76%	[7],[15],[16]
Spread		7.50%		5.50%		7.50%		5.50%		5.50%	[7],[15],[16]
PIK Rate				2.00%				2.00%		2.00%	[7],[15],[16]
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						22		(9)
Amount of Interest, Fees or Dividends Credited to Income						(2)		18
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						382	[7],[15],[16]	371
Gross Additions						25		8
Gross Reductions						407		13
Ending balance		$ 0		$ 366		0		366
Fair value		$ 0		$ 366		$ 0		$ 366		$ 382	[7],[15],[16]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				9.07%				9.07%		10.76%	[7],[15],[16]
Spread		7.50%		5.50%		7.50%		5.50%		5.50%	[7],[15],[16]
PIK Rate				2.00%				2.00%		2.00%	[7],[15],[16]
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						96		(47)
Amount of Interest, Fees or Dividends Credited to Income						282		88
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						1,712	[7],[15],[16]	1,852
Gross Additions						112		42
Gross Reductions						1,824		66
Ending balance		$ 0		$ 1,828		0		1,828
Fair value		0		1,828		0		1,828		$ 1,712	[7],[15],[16]
Investment, Identifier [Axis]: UnionRock Energy Fund II, LP, LP Interests
Schedule of Investments [Line Items]
Total Rate	[19],[35],[36],[37]									11.11%
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						(964)		(997)
Amount of Interest, Fees or Dividends Credited to Income						25		55
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						5,855	[19],[35],[36],[37]	6,123
Gross Additions						531		1,324
Gross Reductions						1,162		3,582
Ending balance		5,224	[20],[33],[38],[39]	3,865		5,224	[20],[33],[38],[39]	3,865
Fair value		5,224	[20],[33],[38],[39]	3,865		5,224	[20],[33],[38],[39]	3,865		$ 5,855	[19],[35],[36],[37]
Investment, Identifier [Axis]: UnionRock Energy Fund III, LP, LP Interests
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						150
Gross Reductions						0
Ending balance	[33],[38],[39]	150				150
Fair value		150	[33],[38],[39]			150	[33],[38],[39]			0
Investment, Identifier [Axis]: Universal Wellhead Services Holdings, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[29]					0
Gross Additions						0
Gross Reductions						0
Ending balance	[11],[30]	0				0
Fair value		$ 0	[11],[30]			$ 0	[11],[30]			$ 0	[14],[29]
Investment, Identifier [Axis]: Universal Wellhead Services Holdings, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		14.00%	[11],[30]			14.00%	[11],[30]			14.00%	[14],[29]
PIK Rate		14.00%	[11],[30]			14.00%	[11],[30]			14.00%	[14],[29]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[29]					220
Gross Additions						0
Gross Reductions						0
Ending balance	[11],[30]	$ 220				220
Fair value		$ 220	[11],[30]			$ 220	[11],[30]			$ 220	[14],[29]
Investment, Identifier [Axis]: UserZoom Technologies, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[11],[12],[18]	12.42%				12.42%
Spread	[11],[12],[18]	7.50%				7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[18]	$ 3,890				$ 3,890
Fair value	[11],[12],[18]	3,890				3,890
Investment, Identifier [Axis]: VORTEQ Coil Finishers, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[19]					3,930
Ending balance	[11],[20]	3,810				3,810
Fair value		3,810	[11],[20]			3,810	[11],[20]			3,930	[14],[19]
Investment, Identifier [Axis]: VVS Holdco LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						(100)		240
Amount of Interest, Fees or Dividends Credited to Income						215		200
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						11,940	[19],[29]	11,840
Gross Additions						0		240
Gross Reductions						100		0
Ending balance		11,840	[20],[30]	12,080		11,840	[20],[30]	12,080
Fair value		$ 11,840	[20],[30]	$ 12,080		$ 11,840	[20],[30]	$ 12,080		$ 11,940	[19],[29]
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				11.50%				11.50%
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								0
Amount of Interest, Fees or Dividends Credited to Income								1,821
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance								31,269
Gross Additions								34
Gross Reductions								1,201
Ending balance				$ 30,102				30,102
Fair value				30,102				30,102
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[12],[13],[30]			6.00%	[12],[13],[30]			6.00%	[16],[17],[29]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						15
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16],[17],[29]					(21)
Gross Additions						11
Gross Reductions						0
Ending balance	[12],[13],[30]	$ (10)				(10)
Fair value		$ (10)	[12],[13],[30]			$ (10)	[12],[13],[30]			$ (21)	[16],[17],[29]
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.50%	[30]			11.50%	[30]			11.50%	[29]
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						1,768
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[29]					30,161
Gross Additions						39
Gross Reductions						1,242
Ending balance	[30]	$ 28,958				28,958
Fair value		$ 28,958	[30]			$ 28,958	[30]			$ 30,161	[29]
Investment, Identifier [Axis]: Veregy Consolidated, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.25%	[8],[12],[13],[18]			5.25%	[8],[12],[13],[18]			5.25%	[7],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16],[17]					$ (630)
Ending balance	[8],[12],[13],[18]	$ (519)				(519)
Fair value		$ (519)	[8],[12],[13],[18]			$ (519)	[8],[12],[13],[18]			$ (630)	[7],[16],[17]
Investment, Identifier [Axis]: Veregy Consolidated, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.31%	[8],[12],[18]			11.31%	[8],[12],[18]			10.41%	[7],[16]
Spread		6.00%	[8],[12],[18]			6.00%	[8],[12],[18]			6.00%	[7],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]					$ 15,479
Ending balance	[8],[12],[18]	$ 15,321				15,321
Fair value		15,321	[8],[12],[18]			15,321	[8],[12],[18]			$ 15,479	[7],[16]
Investment, Identifier [Axis]: Vida Capital, Inc, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7]									10.38%
Spread	[7]									6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]					12,049
Fair value	[7]									$ 12,049
Investment, Identifier [Axis]: Vision Interests, Inc., Series A Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						168		144
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						3,000	[19]	3,000
Gross Additions						0		0
Gross Reductions						0		0
Ending balance		3,000	[20]	3,000		3,000	[20]	3,000
Fair value		3,000	[20]	3,000		3,000	[20]	3,000		3,000	[19]
Investment, Identifier [Axis]: Vistar Media, Inc., Preferred Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					2,250
Ending balance	[11]	2,340				2,340
Fair value		2,340	[11]			2,340	[11]			2,250	[14]
Investment, Identifier [Axis]: Volusion, LLC, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						(2,576)
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						2,576
Gross Reductions						2,576
Ending balance		0				0
Fair value		0				0				0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)								0
Amount of Unrealized Gain/(Loss)								(3,060)
Amount of Interest, Fees or Dividends Credited to Income								0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0		5,989
Gross Additions								0
Gross Reductions								3,059
Ending balance				2,930				2,930
Fair value				$ 2,930				$ 2,930		0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						0
Gross Reductions						0
Ending balance		0				0
Fair value		0				0				0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						(706)
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						11,446
Gross Reductions						706
Ending balance		10,740				10,740
Fair value		10,740				10,740				0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 3
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						0
Gross Reductions						0
Ending balance		0				0
Fair value		$ 0				$ 0				$ 0
Investment, Identifier [Axis]: Volusion, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%		11.50%		10.00%		11.50%		11.50%	[28]
Amount of Realized Gain/(Loss)								$ 0
Amount of Unrealized Gain/(Loss)								0
Amount of Interest, Fees or Dividends Credited to Income								992
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						$ 14,914	[28]	17,434
Gross Additions								0
Gross Reductions								350
Ending balance		$ 2,100		$ 17,084		2,100		17,084
Fair value		$ 2,100		$ 17,084		$ 2,100		$ 17,084		$ 14,914	[28]
Investment, Identifier [Axis]: Volusion, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.00%				10.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						54
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0
Gross Additions						2,100
Gross Reductions						0
Ending balance		$ 2,100				2,100
Fair value		2,100				2,100				0
Investment, Identifier [Axis]: Volusion, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						(3,188)
Amount of Unrealized Gain/(Loss)						1,821
Amount of Interest, Fees or Dividends Credited to Income						166
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						14,914
Gross Additions						0
Gross Reductions						14,914
Ending balance		0				0
Fair value		0				0				$ 14,914
Investment, Identifier [Axis]: Volusion, LLC, Unsecured Convertible Debt
Schedule of Investments [Line Items]
Total Rate				8.00%				8.00%		8.00%
Amount of Realized Gain/(Loss)						(409)		$ 0
Amount of Unrealized Gain/(Loss)						409		0
Amount of Interest, Fees or Dividends Credited to Income						0		16
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						0		409
Gross Additions						409		0
Gross Reductions						409		0
Ending balance		0		$ 409		0		409
Fair value		0		409		0		409		$ 0
Investment, Identifier [Axis]: Volusion, LLC, Warrants
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						2,576
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[9]					0
Gross Additions						0
Gross Reductions						0
Ending balance		0				0
Fair value		0				0				$ 0	[9]
Investment, Identifier [Axis]: Wahoo Fitness Acquisition L.L.C., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[15],[16]									10.64%
Spread	[7],[15],[16]									5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15],[16]					8,409
Fair value	[7],[15],[16]									$ 8,409
Investment, Identifier [Axis]: Wall Street Prep, Inc., Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					420
Ending balance	[11]	420				420
Fair value		$ 420	[11]			$ 420	[11]			$ 420	[14]
Investment, Identifier [Axis]: Wall Street Prep, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.00%	[11],[12],[13],[18]			7.00%	[11],[12],[13],[18]			7.00%	[14],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[17]					$ (6)
Ending balance	[11],[12],[13],[18]	$ (5)				(5)
Fair value		$ (5)	[11],[12],[13],[18]			$ (5)	[11],[12],[13],[18]			$ (6)	[14],[16],[17]
Investment, Identifier [Axis]: Wall Street Prep, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.19%	[11],[12],[18]			12.19%	[11],[12],[18]			10.74%	[14],[16]
Spread		7.00%	[11],[12],[18]			7.00%	[11],[12],[18]			7.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 4,146
Ending balance	[11],[12],[18]	$ 3,747				3,747
Fair value		$ 3,747	[11],[12],[18]			$ 3,747	[11],[12],[18]			$ 4,146	[14],[16]
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.64%	[11],[12],[18],[73]			11.64%	[11],[12],[18],[73]			10.73%	[14],[16]
Spread		6.25%	[11],[12],[18],[73]			6.25%	[11],[12],[18],[73]			6.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 370
Ending balance	[11],[12],[18],[73]	$ 1,482				1,482
Fair value		$ 1,482	[11],[12],[18],[73]			$ 1,482	[11],[12],[18],[73]			$ 370	[14],[16]
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.64%	[11],[12],[18]			11.64%	[11],[12],[18]			10.73%	[14],[16]
Spread		6.25%	[11],[12],[18]			6.25%	[11],[12],[18]			6.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 391
Ending balance	[11],[12],[18]	$ 389				389
Fair value		$ 389	[11],[12],[18]			$ 389	[11],[12],[18]			$ 391	[14],[16]
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.64%	[11],[12],[18]			11.64%	[11],[12],[18]			10.73%	[14],[16]
Spread		6.25%	[11],[12],[18]			6.25%	[11],[12],[18]			6.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 28,947
Ending balance	[11],[12],[18]	$ 28,811				28,811
Fair value		28,811	[11],[12],[18]			28,811	[11],[12],[18]			$ 28,947	[14],[16]
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					1,950
Ending balance	[11]	2,390				2,390
Fair value		$ 2,390	[11]			$ 2,390	[11]			$ 1,950	[14]
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[11],[12],[13],[18]			6.00%	[11],[12],[13],[18]			6.00%	[14],[15],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[17]					$ (20)
Ending balance	[11],[12],[13],[18]	$ (18)				(18)
Fair value		$ (18)	[11],[12],[13],[18]			$ (18)	[11],[12],[13],[18]			$ (20)	[14],[15],[16],[17]
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.79%	[11],[12],[18]			10.79%	[11],[12],[18]			8.59%	[14],[15],[16]
Spread		6.00%	[11],[12],[18]			6.00%	[11],[12],[18]			6.00%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 10,685
Ending balance	[11],[12],[18]	$ 10,712				10,712
Fair value		$ 10,712	[11],[12],[18]			$ 10,712	[11],[12],[18]			$ 10,685	[14],[15],[16]
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.00%	[11],[12],[13],[18]			7.00%	[11],[12],[13],[18]			7.00%	[14],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[17]					$ 0
Ending balance	[11],[12],[13],[18]	$ 0				0
Fair value		$ 0	[11],[12],[13],[18]			$ 0	[11],[12],[13],[18]			$ 0	[14],[16],[17]
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[12],[18]	12.55%				12.55%
Spread		7.00%	[11],[12],[18]			7.00%	[11],[12],[18]			7.00%	[14],[16],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[17]					$ (17)
Ending balance	[11],[12],[18]	$ 2,030				2,030
Fair value		$ 2,030	[11],[12],[18]			$ 2,030	[11],[12],[18]			$ (17)	[14],[16],[17]
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.17%	[11],[12],[18]			12.17%	[11],[12],[18]			10.74%	[14],[16]
Spread		7.00%	[11],[12],[18]			7.00%	[11],[12],[18]			7.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]					$ 9,992
Ending balance	[11],[12],[18]	$ 9,300				9,300
Fair value		9,300	[11],[12],[18]			9,300	[11],[12],[18]			$ 9,992	[14],[16]
Investment, Identifier [Axis]: World Micro Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						139
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						3,845
Gross Additions						0
Gross Reductions						0
Ending balance	[20]	3,845				3,845
Fair value		$ 3,845	[20]			$ 3,845	[20]			$ 3,845
Investment, Identifier [Axis]: World Micro Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%				13.00%				13.00%
Amount of Realized Gain/(Loss)						$ 0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						948
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						14,140
Gross Additions						14
Gross Reductions						0
Ending balance		$ 14,154				14,154
Fair value		$ 14,154				$ 14,154				$ 14,140
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[18]	10.41%				10.41%
Spread		5.25%	[11],[18]			5.25%	[11],[18]			5.25%	[14],[17]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[17]					$ (218)
Ending balance	[11],[18]	$ 3,192				3,192
Fair value		$ 3,192	[11],[18]			$ 3,192	[11],[18]			$ (218)	[14],[17]
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.58%	[11],[18]			10.58%	[11],[18]			10.84%	[14]
Spread		5.25%	[11],[18]			5.25%	[11],[18]			5.25%	[14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					$ 24,135
Ending balance	[11],[18]	$ 24,239				24,239
Fair value		$ 24,239	[11],[18]			$ 24,239	[11],[18]			$ 24,135	[14]
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.35%	[11],[18]			10.35%	[11],[18]			8.63%	[14]
Spread		5.25%	[11],[18]			5.25%	[11],[18]			5.25%	[14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]					$ 38,051
Ending balance	[11],[18]	$ 38,021				38,021
Fair value		$ 38,021	[11],[18]			$ 38,021	[11],[18]			$ 38,051	[14]
Investment, Identifier [Axis]: YS Garments, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.59%	[8],[12],[18]			12.59%	[8],[12],[18]			9.51%	[7],[16]
Spread		7.50%	[8],[12],[18]			7.50%	[8],[12],[18]			5.50%	[7],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]					$ 12,127
Ending balance	[8],[12],[18]	$ 11,484				11,484
Fair value		11,484	[8],[12],[18]			11,484	[8],[12],[18]			$ 12,127	[7],[16]
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0		0
Amount of Unrealized Gain/(Loss)						(170)		(450)
Amount of Interest, Fees or Dividends Credited to Income						0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						240		2,130
Gross Additions						0		0
Gross Reductions						170		450
Ending balance		70		1,680		70		1,680
Fair value		$ 70		$ 1,680		$ 70		$ 1,680		$ 240
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%		12.00%		12.00%		12.00%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						27		38
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						450		625
Gross Additions						0		0
Gross Reductions						0		0
Ending balance		$ 450		$ 625		450		625
Fair value		$ 450		$ 625		$ 450		$ 625		$ 450
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		6.50%		6.50%		6.50%		6.50%		6.50%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						0		0
Amount of Interest, Fees or Dividends Credited to Income						33		33
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						945		1,000
Gross Additions						0		0
Gross Reductions						0		0
Ending balance		$ 945		$ 1,000		945		1,000
Fair value		$ 945		$ 1,000		$ 945		$ 1,000		$ 945
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		14.00%		14.00%		14.00%		14.00%		14.00%
Amount of Realized Gain/(Loss)						$ 0		$ 0
Amount of Unrealized Gain/(Loss)						(215)		0
Amount of Interest, Fees or Dividends Credited to Income						194		194
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance						2,676		2,750
Gross Additions						0		0
Gross Reductions						215		0
Ending balance		$ 2,461		$ 2,750		2,461		2,750
Fair value		2,461		$ 2,750		2,461		$ 2,750		$ 2,676
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Warrants
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)						0
Amount of Unrealized Gain/(Loss)						0
Amount of Interest, Fees or Dividends Credited to Income						0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[9]					0
Gross Additions						0
Gross Reductions						0
Ending balance	[10]	0				0
Fair value		$ 0	[10]			$ 0	[10]			$ 0	[9]
Investment, Identifier [Axis]: Zips Car Wash, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.50%	[11],[12],[18],[55]			12.50%	[11],[12],[18],[55]			11.67%	[14],[15],[16]
Spread		7.25%	[11],[12],[18],[55]			7.25%	[11],[12],[18],[55]			7.25%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]					$ 17,512
Ending balance	[11],[12],[18],[55]	$ 17,277				17,277
Fair value		$ 17,277	[11],[12],[18],[55]			$ 17,277	[11],[12],[18],[55]			$ 17,512	[14],[15],[16]
Investment, Identifier [Axis]: Zips Car Wash, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.46%	[11],[12],[18],[55]			12.46%	[11],[12],[18],[55]			11.67%	[14],[15],[16],[72]
Spread		7.25%	[11],[12],[18],[55]			7.25%	[11],[12],[18],[55]			7.25%	[14],[15],[16],[72]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[72]					$ 4,379
Ending balance	[11],[12],[18],[55]	$ 4,309				4,309
Fair value		$ 4,309	[11],[12],[18],[55]			$ 4,309	[11],[12],[18],[55]			$ 4,379	[14],[15],[16],[72]
[1] Investment fair value was determined using significant unobservable inputs, unless otherwise noted. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for further discussion. Negative fair value is the result of the capitalized discount on the loan or the unfunded commitment being valued below par. [2] Investment fair value was determined using significant unobservable inputs, unless otherwise noted. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for further discussion. Negative fair value is the result of the capitalized discount on the loan or the unfunded commitment being valued below par. [3] Control investments are defined by the 1940 Act as investments in which more than 25% of the voting securities are owned or where the ability to nominate greater than 50% of the board representation is maintained. [4] Control investments are defined by the 1940 Act as investments in which more than 25% of the voting securities are owned or where the ability to nominate greater than 50% of the board representation is maintained [5] Affiliate investments are defined by the 1940 Act as investments in which between 5% and 25% (inclusive) of the voting securities are owned and the investments are not classified as Control investments. [6] Affiliate investments are defined by the 1940 Act as investments in which between 5% and 25% (inclusive) of the voting securities are owned and the investments are not classified as Control investments. [7] Middle Market portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Middle Market portfolio investments. [8] Middle Market portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Middle Market portfolio investments. [9] Warrants are presented in equivalent shares/units with a strike price of $0.01 per share/unit. [10] Warrants are presented in equivalent shares/units with a strike price of $0.01 per share/unit. [11] Private Loan portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Private Loan portfolio investments. [12] Index based floating interest rate is subject to contractual minimum interest rate. As noted in this schedule, 91% of the loans (based on the par amount) contain LIBOR or Term SOFR (“SOFR”) floors which range between 0.50% and 2.00%, with a weighted-average floor of 1.08%. [13] The position is unfunded and no interest income is being earned as of June 30, 2023. The position may earn a nominal unused facility fee on committed amounts. [14] Private Loan portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Private Loan portfolio investments. [15] A majority of the variable rate loans in the Company’s Investment Portfolio bear interest at a rate that may be determined by reference to either LIBOR (“L”), SOFR (“SF”) or an alternate Base rate (commonly based on the Federal Funds Rate or the Prime rate (“P”)), which typically resets every one, three, or six months at the borrower’s option. SOFR based contracts may include a credit spread adjustment (the “Adjustment”) that is charged in addition to the stated spread. The Adjustment is applied when the SOFR rate, plus the Adjustment, exceeds the stated floor rate, as applicable. As of December 31, 2022, SOFR based contracts in the portfolio had Adjustments ranging from 0.10% to 0.35%. [16] Index based floating interest rate is subject to contractual minimum interest rate. As noted in this schedule, 66% of these floating rate loans (based on the par amount) contain LIBOR or Term SOFR (“SOFR”) floors which range between 0.50% and 2.00%, with a weighted-average floor of 1.04%. [17] The position is unfunded and no interest income is being earned as of December 31, 2022. The position may earn a nominal unused facility fee on committed amounts. [18] A majority of the variable rate loans in the Company’s investment portfolio bear interest at a rate that may be determined by reference to either LIBOR (“L”), SOFR (“SF”) or an alternate Base Rate (commonly based on the Federal Funds Rate or the Prime Rate (“P”)), which typically resets every one, three, or six months at the borrower’s option. SOFR based contracts may include a credit spread adjustment (the “Adjustment”) that is charged in addition to the stated spread. The Adjustment is applied when the SOFR rate, plus the Adjustment, exceeds the stated floor rate, as applicable. As of June 30, 2023, SOFR based contracts in the portfolio had Adjustments ranging from 0.10% to 0.26%. [19] Income producing through dividends or distributions. [20] Income producing through dividends or distributions. [21] Non-accrual and non-income producing investment. [22] Non-accrual and non-income producing investment. [23] Warrants are presented in equivalent shares/units with a strike price of $1.00 per share/unit. [24] Index based floating interest rate is subject to contractual maximum base rate of 3.00%. [25] Index based floating interest rate is subject to contractual maximum base rate of 2.50%. [26] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable. [27] The Company has entered into an intercreditor agreement that entitles the Company to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of SOFR+6.00% (Floor 1.00%) per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate. [28] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable. [29] Shares/Units represent ownership in a related Real Estate or HoldCo entity. [30] Shares/Units represent ownership in a related Real Estate or HoldCo entity. [31] The Company has entered into an intercreditor agreement that entitles the Company to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of SOFR+8.00% (Floor 1.50%) per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate. [32] The Company has entered into an intercreditor agreement that entitles the Company to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of SOFR+8.00% (Floor 1.50%) per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate. [33] Investment is not a qualifying asset as defined under Section 55(a) of the 1940 Act. Qualifying assets must represent at least 70% of total assets at the time of acquisition of any additional non-qualifying assets. [34] Portfolio company headquarters are located outside of the United States. [35] Other Portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Other Portfolio investments. [36] Investment is not a qualifying asset as defined under Section 55(a) of the 1940 Act. Qualifying assets must represent at least 70% of total assets at the time of acquisition of any additional non-qualifying assets. [37] Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated. [38] Other Portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Other Portfolio investments. [39] Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated. [40] The security has an effective contractual interest rate of 2.00% PIK + LIBOR+6.50%, Floor 1.00%, but the issuer may, in its discretion, elect to pay the PIK interest in cash. The rate presented represents the effective current yield based on actual payments received during the period. [41] As of June 30, 2023, borrowings under the loan facility bore interest at SOFR+6.25% (Floor 1.00%). Each new draw or funding on the facility has a different floating rate reset date. The rate presented represents a weighted-average rate for borrowings under the facility, as of June 30, 2023. [42] As of December 31, 2022, borrowings under the loan facility bore interest at SOFR+6.25% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2022. [43] As of December 31, 2022, borrowings under the loan facility bore interest at SOFR+6.25% (Floor 1.00%). Due to an amendment and subsequent funding during the quarter, the term loan facility has different floating rate reset dates. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2022. [44] As of June 30, 2023, borrowings under the loan facility bore interest at LIBOR+7.50% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of June 30, 2023. [45] As of December 31, 2022, borrowings under the loan facility bore interest at LIBOR+8.00% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2022. [46] As of June 30, 2023, borrowings under the loan facility bore interest at SOFR+8.50% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of June 30, 2023. [47] As of June 30, 2023, borrowings under the loan facility bore interest at SOFR+5.75% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of June 30, 2023. [48] Index based floating interest rate is subject to contractual maximum base rate of 2.00%. [49] Index based floating interest rate is subject to contractual maximum base rate of 1.50%. [50] Portfolio company headquarters are located outside of the United States. [51] As of December 31, 2022, borrowings under the loan facility bore interest at SOFR+5.75% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2022. [52] As of December 31, 2022, borrowings under the loan facility bore interest at LIBOR+6.50% PIK or Prime+5.50% PIK. Revolving facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2022. [53] Warrants are presented in equivalent shares/units with a strike price of $1.00 per share/unit. [54] As of December 31, 2022, borrowings under the loan facility bore interest at LIBOR+10.00%. RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2022. [55] As of June 30, 2023, borrowings under the loan facility bear interest at SOFR+7.25% (Floor 1.00%). Each new draw or funding on the facility has a different floating rate reset date. The rate presented represents a weighted-average rate for borrowings under the facility, as of June 30, 2023. [56] As of June 30, 2023, borrowings under the loan facility bore interest at SOFR+6.00% (Floor 1.00%). Each new draw or funding on the delayed draw term loan facility has a different floating rate reset date. The rate presented represents a weighted-average rate for borrowings under the facility, as of June 30, 2023. [57] External Investment Manager. Investment is not encumbered as security for the Company’s Credit Facilities or in support of the SBA-guaranteed debentures issued by the Funds. [58] External Investment Manager. Investment is not encumbered as security for the Company's Credit Facilities or in support of the SBA-guaranteed debentures issued by the Funds. [59] As of December 31, 2022, borrowings under the loan facility bore interest at LIBOR+7.25% (Floor 0.75%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2022. [60] As of June 30, 2023, borrowings under the loan facility bore interest at SOFR+8.00% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of June 30, 2023. [61] As of December 31, 2022, borrowings under the loan facility bore interest at SOFR+8.00% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2022. [62] As of December 31, 2022, borrowings under the loan facility bore interest at SOFR+5.75% (Floor 1.00%). Delayed draw term loan facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2022. [63] Warrants are presented in equivalent units with a strike price of $14.28 per unit. [64] Warrants are presented in equivalent units with a strike price of $14.28 per unit. [65] As of December 31, 2022, borrowings under the loan facility bore interest at SOFR+7.75% (Floor 1.25%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2022. [66] Portfolio company is in a bankruptcy process and, as such, the maturity date of our debt investment in this portfolio company will not be finally determined until such process is complete. As noted in footnote (14), our debt investment in this portfolio company is on non-accrual status. [67] As of June 30, 2023, borrowings under the loan facility bore interest at SOFR+6.50% (Floor 1.50%) and SOFR+8.50% (Floor 1.50%). The spread and rate presented represents a weighted-average rate for borrowings under the facility, as of June 30, 2023. [68] The Company has entered into an intercreditor agreement that entitles the Company to the “last out” tranche of the first lien secured loans, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of 11.25% per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate. [69] In connection with the Company's debt investment in Staples Canada ULC and in an attempt to mitigate any potential adverse change in foreign exchange rates during the term of the Company’s investment, the Company maintains a forward foreign currency contract with Cadence Bank to lend $15.5 million Canadian Dollars and receive $12.0 million U.S. Dollars with a settlement date of September 14, 2023. The unrealized appreciation on the forward foreign currency contract was $0.3 million as of June 30, 2023 [70] In connection with the Company’s debt investment in Staples Canada ULC and in an attempt to mitigate any potential adverse change in foreign exchange rates during the term of the Company’s investment, the Company maintains a forward foreign currency contract with Cadence Bank to lend $16.9 million Canadian Dollars and receive $13.1 million U.S. Dollars with a settlement date of September 14, 2023. The unrealized appreciation on the forward foreign currency contract was $0.6 million as of December 31, 2022. [71] Short-term portfolio investments. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of short-term portfolio investments. [72] As of December 31, 2022, borrowings under the loan facility bore interest at SOFR+7.25% (Floor 1.00%). Each new draw on the delayed draw term loan facility has a different floating rate reset date. The rate presented represents a weighted-average rate for borrowings under the facility, as of December 31, 2022. [73] As of June 30, 2023, borrowings under the loan facility bore interest at LIBOR+6.25% (Floor 1.00%). RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of June 30, 2023.