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

v3.25.0.1

Consolidated Schedule of Investments In and Advances to Affiliates (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2024		Dec. 31, 2023		Dec. 31, 2022
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		$ 45,998		$ (120,507)		$ (5,212)
Amount of Unrealized Gain/(Loss)		137,656		232,577		24,816
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[1]	4,286,271
Ending balance		4,932,669	[2]	4,286,271	[1]
Control investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		36,922		(50,532)		(5,822)
Amount of Unrealized Gain/(Loss)		117,867		161,793		56,682
Amount of Interest, Fees or Dividends Credited to Income		205,367		197,150
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,006,698	[1],[3]	1,703,172
Gross Additions		666,648		568,452
Gross Reductions		526,941		244,262
Ending balance		2,087,890	[2],[4]	2,006,698	[1],[3]	1,703,172
Affiliate investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		(4,219)		(18,729)		(3,319)
Amount of Unrealized Gain/(Loss)		47,299		33,689		10,314
Amount of Interest, Fees or Dividends Credited to Income		84,367		69,829
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		615,002	[1],[5]	618,359
Gross Additions		422,782		246,241
Gross Reductions		280,309		270,262
Ending balance		846,798	[2],[6]	615,002	[1],[5]	618,359
Investment, Identifier [Axis]: 2717 MH, L.P., LP Interests (2717 GRE-LP, 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		441
Gross Reductions		0
Ending balance		441		0
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)		60		67
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		315		248
Gross Additions		68		67
Gross Reductions		0		0
Ending balance		383		315		248
Investment, Identifier [Axis]: 2717 MH, L.P., LP Interests (2717 MH, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		147		2,222
Amount of Unrealized Gain/(Loss)		2,768		(952)
Amount of Interest, Fees or Dividends Credited to Income		311		142
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		6,050		7,552
Gross Additions		2,915		2,796
Gross Reductions		147		4,298
Ending balance		8,818		6,050		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		0
Amount of Unrealized Gain/(Loss)		229		247
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		996		0
Gross Additions		230		996
Gross Reductions		0		0
Ending balance		1,226		996		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		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	[7]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		0		$ 0	[7]	0
Investment, Identifier [Axis]: AAC Holdings, Inc., Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8]	$ 0
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		18.00%	[8]	18.00%	[7]
PIK Rate		18.00%	[8]	18.00%	[7]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(1)		(1)
Amount of Interest, Fees or Dividends Credited to Income		93		65
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		418	[7]	0
Gross Additions		192		418
Gross Reductions		1		0
Ending balance		$ 609	[8]	$ 418	[7]	0
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		18.00%	[8]	18.00%	[7]
PIK Rate		18.00%	[8]	18.00%	[7]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(3)		(37)
Amount of Interest, Fees or Dividends Credited to Income		2,958		2,382
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		13,895	[7]	11,550
Gross Additions		3,473		2,382
Gross Reductions		3		37
Ending balance		17,365	[8]	13,895	[7]	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		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	[7],[9]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		0	[8],[10]	$ 0	[7],[9]	0
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]			5.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	0
Ending balance	[11],[12],[13]			$ 0
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.43%
Spread	[11],[13]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	1,921
Ending balance	[11],[13]			$ 1,921
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.43%
Spread	[11],[13]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	19,817
Ending balance	[11],[13]			$ 19,817
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.43%
Spread	[11],[13]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	1,372
Ending balance	[11],[13]			$ 1,372
Investment, Identifier [Axis]: ADS Tactical, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[13]			11.22%
Spread	[7],[13]			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	10,860
Ending balance	[7],[13]			$ 10,860
Investment, Identifier [Axis]: AFG Capital Group, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)				7,200
Amount of Unrealized Gain/(Loss)				(8,200)
Amount of Interest, Fees or Dividends Credited to Income				0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		9,400
Gross Additions				7,200
Gross Reductions				16,600
Ending balance				0		9,400
Investment, Identifier [Axis]: AMEREQUIP LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[14]	2,120
Ending balance		570	[15],[16]	$ 2,120	[11],[14]
Investment, Identifier [Axis]: AMEREQUIP LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]			7.40%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	(108)
Ending balance	[11],[12],[13]			$ (108)
Investment, Identifier [Axis]: AMEREQUIP LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]			12.76%
Spread	[11],[13]			7.40%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	28,422
Ending balance	[11],[13]			$ 28,422
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)		(100)		(700)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		100		800
Gross Additions		0		0
Gross Reductions		100		700
Ending balance		0		100		800
Investment, Identifier [Axis]: ASC Interests, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(266)		88
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		266		0
Gross Additions		0		266
Gross Reductions		266		0
Ending balance		$ 0		$ 266		0
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.00%	[17]	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		54		54
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		400		400
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 400	[17]	$ 400		400
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%	[17]	13.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		(52)
Amount of Interest, Fees or Dividends Credited to Income		219		218
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,597		1,649
Gross Additions		1		1
Gross Reductions		0		53
Ending balance		1,598	[17]	1,597		1,649
Investment, Identifier [Axis]: ATS Operating, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	670
Ending balance		$ 850	[15]	$ 670	[11]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.85%	[15],[18]	12.16%	[11],[13]
Spread		6.00%	[15],[18]	6.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 360
Ending balance		$ 360	[15],[18]	$ 360	[11],[13]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.85%	[15],[18]	11.16%	[11],[13]
Spread		5.00%	[15],[18]	5.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 6,660
Ending balance		$ 6,660	[15],[18]	$ 6,660	[11],[13]
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.85%	[15],[18]	13.16%	[11],[13]
Spread		7.00%	[15],[18]	7.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 6,660
Ending balance		6,660	[15],[18]	$ 6,660	[11],[13]
Investment, Identifier [Axis]: ATS Workholding, 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		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[11]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0	[15]	$ 0	[11]	0
Investment, Identifier [Axis]: ATS Workholding, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		5.00%	[15],[19]	5.00%	[11],[20]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(507)		(486)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		328	[11],[20]	634
Gross Additions		293		180
Gross Reductions		508		486
Ending balance		$ 113	[15],[19]	$ 328	[11],[20]	634
Investment, Identifier [Axis]: ATS Workholding, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		5.00%	[15],[17],[19]	5.00%	[11],[20]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(329)		(518)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		473	[11],[20]	1,005
Gross Additions		0		0
Gross Reductions		330		532
Ending balance		143	[15],[17],[19]	473	[11],[20]	1,005
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		0		3,270
Gross Additions				3,248
Gross Reductions				6,518
Ending balance				$ 0		3,270
Investment, Identifier [Axis]: ATX Networks Corp., Secured Debt
Schedule of Investments [Line Items]
Spread				7.50%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(134)
Amount of Interest, Fees or Dividends Credited to Income				886
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		6,343
Gross Additions				575
Gross Reductions				6,918
Ending balance				$ 0		6,343
Investment, Identifier [Axis]: ATX Networks Corp., Unsecured Debt
Schedule of Investments [Line Items]
Total Rate				10.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(306)
Amount of Interest, Fees or Dividends Credited to Income				1,160
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		2,598
Gross Additions				1,160
Gross Reductions				3,758
Ending balance				0		2,598
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[14]	892
Ending balance		$ 896	[15],[16]	$ 892	[11],[14]
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.25%	[15],[18],[21]	7.25%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (38)
Ending balance		$ (90)	[15],[18],[21]	$ (38)	[11],[12],[13]
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.73%	[15],[18]	12.76%	[11],[13]
Spread		7.25%	[15],[18]	7.25%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 24,080
Ending balance		24,073	[15],[18]	$ 24,080	[11],[13]
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]			7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	(2)
Ending balance	[11],[12],[13]			$ (2)
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]			12.98%
Spread	[11],[13]			7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	24,796
Ending balance	[11],[13]			$ 24,796
Investment, Identifier [Axis]: Acumera, Inc., Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[22]	$ 110
Ending balance	[11],[22]			$ 110
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.00%	[15],[18],[23]	11.00%	[11],[13],[24]
Spread		7.00%	[15],[18],[23]	7.00%	[11],[13],[24]
PIK Rate		1.00%	[15],[18],[23]	1.00%	[11],[13],[24]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[24]	$ 7,684
Ending balance		$ 7,773	[15],[18],[23]	$ 7,684	[11],[13],[24]
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.00%	[15],[18],[23]	11.00%	[11],[13],[24]
Spread		7.00%	[15],[18],[23]	7.00%	[11],[13],[24]
PIK Rate		1.00%	[15],[18],[23]	1.00%	[11],[13],[24]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[24]	$ 20,784
Ending balance		$ 18,504	[15],[18],[23]	$ 20,784	[11],[13],[24]
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.00%	[15],[18],[21]	5.00%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (8)
Ending balance		$ (5)	[15],[18],[21]	$ (8)	[11],[12],[13]
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%	[15],[18]	13.50%	[11],[13]
Spread		5.00%	[15],[18]	5.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 6,550
Ending balance		$ 6,162	[15],[18]	$ 6,550	[11],[13]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.49%	[15],[18]	15.29%	[11],[13]
Spread		9.75%	[15],[18]	9.75%	[11],[13]
PIK Rate		14.49%	[15],[18]	15.29%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 5,495
Ending balance		$ 5,985	[15],[18]	$ 5,495	[11],[13]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.49%	[15],[18]	15.29%	[11],[13]
Spread		9.75%	[15],[18]	9.75%	[11],[13]
PIK Rate		14.49%	[15],[18]	15.29%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 8,922
Ending balance		$ 9,738	[15],[18]	$ 8,922	[11],[13]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		16.49%	[15],[18],[19]	17.29%	[11],[13],[20]
Spread		11.75%	[15],[18],[19]	11.75%	[11],[13],[20]
PIK Rate		16.49%	[15],[18],[19]	17.29%	[11],[13],[20]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[20]	$ 3,369
Ending balance		$ 3,502	[15],[18],[19]	$ 3,369	[11],[13],[20]
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		16.49%	[15],[18],[19]	17.29%	[11],[13],[20]
Spread		11.75%	[15],[18],[19]	11.75%	[11],[13],[20]
PIK Rate		16.49%	[15],[18],[19]	17.29%	[11],[13],[20]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[20]	$ 5,482
Ending balance		5,697	[15],[18],[19]	$ 5,482	[11],[13],[20]
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[20],[25]	134
Ending balance		76	[8],[17],[19]	134	[7],[20],[25]
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[20],[25]	647
Ending balance		374	[8],[17],[19]	647	[7],[20],[25]
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)		6,169
Amount of Unrealized Gain/(Loss)		(4,053)
Amount of Interest, Fees or Dividends Credited to Income		(4,889)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		(89,323)
Gross Additions		0
Gross Reductions		0
Ending balance		0		(89,323)
Investment, Identifier [Axis]: Amounts related to investments transferred to or from other 1940 Act classification during the period, Affiliate Investments.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)				106
Amount of Unrealized Gain/(Loss)				(1,308)
Amount of Interest, Fees or Dividends Credited to Income				(1,469)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		(625)
Gross Additions				1,454
Gross Reductions				21,493
Ending balance				0		(625)
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
Amount of Unrealized Gain/(Loss)		3,694
Amount of Interest, Fees or Dividends Credited to Income		2,723
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		58,515
Gross Additions		0
Gross Reductions		0
Ending balance		0		58,515
Investment, Identifier [Axis]: Amounts related to investments transferred to or from other 1940 Act classification during the period, Control Investments.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)				0
Amount of Unrealized Gain/(Loss)				1,308
Amount of Interest, Fees or Dividends Credited to Income				1,469
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		625
Gross Additions				21,493
Gross Reductions				1,454
Ending balance				0		625
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,860
Ending balance		5,300		$ 4,860
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 1.1
Schedule of Investments [Line Items]
Total Rate				14.13%
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
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Total Rate				14.13%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Ending balance		0		$ 0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 2.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		440		1,356
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,860		3,504
Gross Additions		440		1,356
Gross Reductions		0		0
Ending balance		5,300		$ 4,860		3,504
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[13]			15.38%
Spread	[13]			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		5		13
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		219	[13]	(3)
Gross Additions		0		222
Gross Reductions		219		0
Ending balance		$ 0	[21]	$ 219	[13]	(3)
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.75%		15.38%	[13]
Spread	[13]			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		698		748
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,084	[13]	4,545
Gross Additions		314		78
Gross Reductions		350		539
Ending balance		4,048		4,084	[13]	4,545
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Warrants
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	[9]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0	[10]	0	[9]	0
Investment, Identifier [Axis]: Ansira Partners II, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[15],[18],[21]	6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[21]	$ (187)
Investment, Identifier [Axis]: Ansira Partners II, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.25%
Spread	[15],[18]	6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 74,279
Investment, Identifier [Axis]: ArborWorks, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	0
Ending balance		0	[15]	0	[11]
Investment, Identifier [Axis]: ArborWorks, LLC, Preferred Equity 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	14,060
Ending balance		12,552	[15]	14,060	[11]
Investment, Identifier [Axis]: ArborWorks, LLC, Preferred Equity 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	0
Ending balance		$ 0	[15]	$ 0	[11]
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.00%	[15]	15.00%	[11]
PIK Rate		15.00%	[15]	15.00%	[11]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	$ 1,907
Ending balance		$ 1,997	[15]	$ 1,907	[11]
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.08%	[15],[18]	12.04%	[11],[13]
Spread		6.50%	[15],[18]	6.50%	[11],[13]
PIK Rate		11.08%	[15],[18]	12.04%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 7,149
Ending balance		8,054	[15],[18]	$ 7,149	[11],[13]
Investment, Identifier [Axis]: Archer Systems, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	2,230
Ending balance		2,450	[15]	2,230	[11]
Investment, Identifier [Axis]: BBB Tank Services, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)				(800)
Amount of Unrealized Gain/(Loss)				800
Amount of Interest, Fees or Dividends Credited to Income				0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		0
Gross Additions				800
Gross Reductions				800
Ending balance				$ 0		0
Investment, Identifier [Axis]: BBB Tank Services, LLC, Preferred Stock (non-voting)
Schedule of Investments [Line Items]
PIK Rate				15.00%
Amount of Realized Gain/(Loss)				$ (162)
Amount of Unrealized Gain/(Loss)				162
Amount of Interest, Fees or Dividends Credited to Income				0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		0
Gross Additions				162
Gross Reductions				162
Ending balance				$ 0		0
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt 1
Schedule of Investments [Line Items]
Spread				11.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				0
Amount of Interest, Fees or Dividends Credited to Income				102
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		800
Gross Additions				0
Gross Reductions				800
Ending balance				$ 0		800
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt 2
Schedule of Investments [Line Items]
Spread				11.00%
Amount of Realized Gain/(Loss)				$ (1,400)
Amount of Unrealized Gain/(Loss)				1,914
Amount of Interest, Fees or Dividends Credited to Income				539
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		2,086
Gross Additions				1,914
Gross Reductions				4,000
Ending balance				0		2,086
Investment, Identifier [Axis]: BDB Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(617)
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		19,537
Gross Reductions		617
Ending balance		18,920		0
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15]	$ 3,620
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[18],[26]	10.68%
Spread	[15],[18],[26]	6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[26]	$ 1,199
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 2
Schedule of Investments [Line Items]
Spread	[15],[18],[21]	6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[21]	$ (22)
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.92%
Spread	[15],[18]	6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 26,173
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)		1,720		820
Amount of Interest, Fees or Dividends Credited to Income		1		1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,140	[11]	3,320
Gross Additions		1,720		820
Gross Reductions		0		0
Ending balance		$ 5,860	[15]	$ 4,140	[11]	3,320
Investment, Identifier [Axis]: Barfly Ventures, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		7.00%	[15]	7.00%	[11]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		51		50
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		711	[11]	711
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		711	[15]	711	[11]	711
Investment, Identifier [Axis]: Batjer TopCo, LLC, Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(990)		2,055
Amount of Interest, Fees or Dividends Credited to Income		766		686
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		6,150	[14]	4,095
Gross Additions		0		2,055
Gross Reductions		990		0
Ending balance		$ 5,160	[16]	$ 6,150	[14]	4,095
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(6)		6
Amount of Interest, Fees or Dividends Credited to Income		42		2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12]	(8)
Gross Additions		452		8
Gross Reductions		6		0
Ending balance		$ 446		$ 0	[12]	(8)
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		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		27		22
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		270		0
Gross Additions		0		630
Gross Reductions		0		360
Ending balance		$ 270		$ 270		0
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(67)		67
Amount of Interest, Fees or Dividends Credited to Income		1,096		1,134
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		10,575		10,933
Gross Additions		21		92
Gross Reductions		67		450
Ending balance		10,529		10,575		10,933
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[27]	200
Ending balance		0	[15]	200	[11],[27]
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[14],[27]	2,560
Ending balance		0	[15],[28]	$ 2,560	[11],[14],[27]
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[28]	$ 0
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		10.25%	[15],[18],[21]	7.25%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (62)
Ending balance		$ (48)	[15],[18],[21]	$ (62)	[11],[12],[13]
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.76%	[15],[18]	12.64%	[11],[13]
Spread		10.25%	[15],[18]	7.25%	[11],[13]
PIK Rate		9.25%	[15],[18]	6.25%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 27,550
Ending balance		23,984	[15],[18]	$ 27,550	[11],[13]
Investment, Identifier [Axis]: Binswanger Enterprises, LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	120
Ending balance		650	[15]	120	[11]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]	550
Ending balance		$ 0	[8]	$ 550	[7]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.17%	[8],[18]	16.00%	[7],[13]
Spread		8.50%	[8],[18]	7.50%	[7],[13]
PIK Rate		12.17%	[8],[18]	15.00%	[7],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	$ 1,767
Ending balance		$ 170	[8],[18]	$ 1,767	[7],[13]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.00%	[8],[18]	13.96%	[7],[13]
Spread		7.50%	[8],[18]	8.50%	[7],[13]
PIK Rate		14.75%	[8],[18]	12.96%	[7],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	$ 3,446
Ending balance		$ 2,605	[8],[18]	$ 3,446	[7],[13]
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[8],[18]	13.17%
Spread	[8],[18]	8.50%
PIK Rate	[8],[18]	12.17%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8],[18]	$ 3,535
Investment, Identifier [Axis]: Bluestem Brands, Inc., Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[9]	120
Ending balance		0	[8],[10]	120	[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)		(1,680)		(980)
Amount of Interest, Fees or Dividends Credited to Income		41		122
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,990		2,970
Gross Additions		0		0
Gross Reductions		1,680		980
Ending balance		$ 310		$ 1,990		2,970
Investment, Identifier [Axis]: Boccella Precast Products LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(55)		0
Amount of Interest, Fees or Dividends Credited to Income		33		32
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		320		320
Gross Additions		0		0
Gross Reductions		54		0
Ending balance		266		$ 320		320
Investment, Identifier [Axis]: Boccella Precast Products LLC., Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 310
Investment, Identifier [Axis]: Boccella Precast Products LLC., Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 266
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Class B Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		8.00%	[16]	8.00%	[14]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(500)		(400)
Amount of Interest, Fees or Dividends Credited to Income		3,816		4,065
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		31,020	[14]	31,420
Gross Additions		0		0
Gross Reductions		500		400
Ending balance		30,520	[16]	$ 31,020	[14]	31,420
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[13],[29]			14.48%
Spread	[13],[29]			9.11%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(141)
Amount of Interest, Fees or Dividends Credited to Income				14,208
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		96,556	[13],[29]	99,194
Gross Additions				141
Gross Reductions				2,779
Ending balance				96,556	[13],[29]	99,194
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[21]	$ 0
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		12.55%
Spread		7.99%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(99)
Amount of Interest, Fees or Dividends Credited to Income		13,647
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		96,556
Gross Additions		7,635
Gross Reductions		2,548
Ending balance		$ 101,643		96,556
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[18],[30]	12.55%
Spread	[18],[30]	7.99%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[18],[30]	$ 101,643
Investment, Identifier [Axis]: Bolder Panther Group, 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		131
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		0
Gross Reductions		0
Ending balance		0		0
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[31],[32]	0
Ending balance		0	[15],[23],[33]	0	[11],[31],[32]
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[31],[32]	500
Ending balance		$ 500	[15],[23],[33]	$ 500	[11],[31],[32]
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[18],[23],[33]	11.65%
Spread		7.00%	[15],[18],[23],[33]	7.00%	[11],[12],[13],[31],[32]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13],[31],[32]	$ (25)
Ending balance		$ 571	[15],[18],[23],[33]	$ (25)	[11],[12],[13],[31],[32]
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.74%	[15],[18],[23],[33]	11.54%	[11],[13],[31],[32]
Spread		6.00%	[15],[18],[23],[33]	6.00%	[11],[13],[31],[32]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[31],[32]	$ 6,405
Ending balance		$ 6,341	[15],[18],[23],[33]	$ 6,405	[11],[13],[31],[32]
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.74%	[15],[18],[23],[33]	13.54%	[11],[13],[31],[32]
Spread		8.00%	[15],[18],[23],[33]	8.00%	[11],[13],[31],[32]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[31],[32]	$ 6,405
Ending balance		$ 6,341	[15],[18],[23],[33]	$ 6,405	[11],[13],[31],[32]
Investment, Identifier [Axis]: Brainworks Software, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.25%	[15],[17],[18],[19]	15.75%	[11],[13],[20],[25]
Spread		7.25%	[15],[17],[18],[19]	7.25%	[11],[13],[20],[25]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[20],[25]	$ 761
Ending balance		$ 761	[15],[17],[18],[19]	$ 761	[11],[13],[20],[25]
Investment, Identifier [Axis]: Brainworks Software, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.25%	[15],[17],[18],[19]	15.75%	[11],[13],[20],[25]
Spread		7.25%	[15],[17],[18],[19]	7.25%	[11],[13],[20],[25]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[20],[25]	$ 1,075
Ending balance		750	[15],[17],[18],[19]	$ 1,075	[11],[13],[20],[25]
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)		(940)		(1,460)
Amount of Interest, Fees or Dividends Credited to Income		120		120
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,620	[14]	7,080
Gross Additions		0		0
Gross Reductions		940		1,460
Ending balance		$ 4,680	[16]	$ 5,620	[14]	7,080
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.66%	[18]	15.46%	[13]
Spread		10.00%	[18]	10.00%	[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		820		899
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,498	[13]	5,964
Gross Additions		14		30
Gross Reductions		496		496
Ending balance		5,016	[18]	5,498	[13]	5,964
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)		(1,000)		0
Amount of Interest, Fees or Dividends Credited to Income		75		100
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,000	[14],[27]	1,000
Gross Additions		0		0
Gross Reductions		1,000		0
Ending balance		0	[16],[28]	$ 1,000	[14],[27]	1,000
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				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		767		1,162
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		8,813		8,813
Gross Additions		0		0
Gross Reductions		8,813		0
Ending balance		0		$ 8,813		8,813
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				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		87		132
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,000		1,000
Gross Additions		0		0
Gross Reductions		1,000		0
Ending balance		0		1,000		1,000
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[9]	4,290
Ending balance		0	[10]	4,290	[9]
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Warrants 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(1,808)		(21)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,808		1,828
Gross Additions		0		0
Gross Reductions		1,808		20
Ending balance		0		1,808		1,828
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Warrants 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(2,482)		(29)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,482		2,512
Gross Additions		0		0
Gross Reductions		2,482		30
Ending balance		0		2,482		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	[31],[34],[35]	4,080
Ending balance		3,120	[23],[36],[37]	4,080	[31],[34],[35]
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	[14],[31],[34],[35]	4,358
Ending balance		4,016	[16],[23],[36],[37]	4,358	[14],[31],[34],[35]
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	[14],[31],[34],[35]	2,448
Ending balance		$ 3,809	[16],[23],[36],[37]	$ 2,448	[14],[31],[34],[35]
Investment, Identifier [Axis]: Buca C, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		6.00%		6.00%
PIK Rate		6.00%		6.00%
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
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[25]			12.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				183
Amount of Interest, Fees or Dividends Credited to Income				2,188
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 12,144	[25]	12,337
Gross Additions				183
Gross Reductions				376
Ending balance				12,144	[25]	12,337
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.00%
PIK Rate		15.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(1,025)
Amount of Interest, Fees or Dividends Credited to Income		563
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		12,144
Gross Additions		0
Gross Reductions		12,144
Ending balance		$ 0		12,144
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.00%
PIK Rate		15.00%
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
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[17],[19]	15.00%
PIK Rate	[17],[19]	15.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(5,652)
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		5,652
Gross Reductions		5,652
Ending balance		$ 0	[17],[19]	$ 0
Investment, Identifier [Axis]: Buca C, LLC., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[17],[19]	15.00%
PIK Rate	[17],[19]	15.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[17],[19]	$ 0
Investment, Identifier [Axis]: Buca C, LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[19]	15.00%
PIK Rate	[19]	15.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[19]	$ 0
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13]			10.46%
Spread		5.00%	[15],[18],[21]	5.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 465
Ending balance		$ 0	[15],[18],[21]	$ 465	[11],[13]
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.46%	[15],[18]	10.46%	[11],[13]
Spread		5.00%	[15],[18]	5.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 19,681
Ending balance		17,915	[15],[18]	$ 19,681	[11],[13]
Investment, Identifier [Axis]: CAI Software LLC, Preferred Equity 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,789
Ending balance		2,417		1,789
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
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)		(590)		1,130
Amount of Interest, Fees or Dividends Credited to Income		2,471		2,902
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		50,130	[14]	49,002
Gross Additions		0		1,128
Gross Reductions		590		0
Ending balance		49,540	[16]	50,130	[14]	49,002
Investment, Identifier [Axis]: CMS Minerals Investments, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)				99
Amount of Unrealized Gain/(Loss)				(366)
Amount of Interest, Fees or Dividends Credited to Income				44
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 0		1,670
Gross Additions				99
Gross Reductions				1,769
Ending balance				$ 0		1,670
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.75%	[15],[18],[21]	7.00%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (66)
Ending balance		$ (47)	[15],[18],[21]	$ (66)	[11],[12],[13]
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread		6.75%	[15],[18],[21]	7.00%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (66)
Ending balance		$ (47)	[15],[18],[21]	$ (66)	[11],[12],[13]
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.18%	[15],[18]	12.45%	[11],[13]
Spread		6.75%	[15],[18]	7.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 10,920
Ending balance		10,754	[15],[18]	$ 10,920	[11],[13]
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)		(780)		(230)
Amount of Interest, Fees or Dividends Credited to Income		35		149
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,980	[14]	2,210
Gross Additions		0		0
Gross Reductions		780		230
Ending balance		$ 1,200	[16]	$ 1,980	[14]	2,210
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Total Rate		15.00%	[16]	15.00%	[14]
PIK Rate		15.00%	[16]	15.00%	[14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	$ 4,601
Ending balance		10,909	[16]	$ 4,601	[14]
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		893		(9,800)
Amount of Interest, Fees or Dividends Credited to Income		250		250
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		15,695		25,495
Gross Additions		6,520		0
Gross Reductions		0		9,800
Ending balance		22,215		15,695		25,495
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	15,695
Ending balance		$ 22,215	[16]	$ 15,695	[14]
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units 2.1
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)		0		0
Amount of Interest, Fees or Dividends Credited to Income		1,308		607
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,601		3,994
Gross Additions		6,308		607
Gross Reductions		0		0
Ending balance		10,909		$ 4,601		3,994
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[13],[14]			15.69%
Spread	[13],[14]			10.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(359)
Amount of Interest, Fees or Dividends Credited to Income				4,366
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 27,655	[13],[14]	28,000
Gross Additions				14
Gross Reductions				359
Ending balance				27,655	[13],[14]	28,000
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.00%
PIK Rate		4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 1,506
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		14.00%
PIK Rate		4.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(79)
Amount of Interest, Fees or Dividends Credited to Income		4,109
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		27,655
Gross Additions		889
Gross Reductions		79
Ending balance		$ 28,465		27,655
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.00%
PIK Rate		4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 28,465
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		14.00%
PIK Rate		4.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		106
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		1,506
Gross Reductions		0
Ending balance		1,506		0
Investment, Identifier [Axis]: Career Team Holdings, LLC, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		240		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		240		0
Gross Reductions		0		0
Ending balance		$ 4,740		$ 4,500		4,500
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.56%	[18]	11.38%	[13]
Spread		6.00%	[18]	6.00%	[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		125		40
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		881	[13]	(9)
Gross Additions		3,156		1,340
Gross Reductions		3,150		450
Ending balance		$ 887	[18]	$ 881	[13]	(9)
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%		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		2,658		2,612
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		19,906		20,090
Gross Additions		43		41
Gross Reductions		585		225
Ending balance		19,364		19,906		20,090
Investment, Identifier [Axis]: CaseWorthy, Inc., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	246
Ending balance		490	[15]	$ 246	[11]
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	(8)
Ending balance	[11],[12],[13]			$ (8)
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.61%
Spread	[11],[13]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	7,933
Ending balance	[11],[13]			$ 7,933
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.61%
Spread	[11],[13]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	6,102
Ending balance	[11],[13]			$ 6,102
Investment, Identifier [Axis]: CenterPeak Holdings, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[16]	14,550
Investment, Identifier [Axis]: CenterPeak Holdings, LLC, Secured Debt 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[21]	$ 0
Investment, Identifier [Axis]: CenterPeak Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 21,507
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)		1,106		2,340
Amount of Interest, Fees or Dividends Credited to Income		120		120
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		11,040		8,700
Gross Additions		1,370		2,340
Gross Reductions		0		0
Ending balance		$ 12,410		$ 11,040		8,700
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		9.00%	[18],[21]	9.00%	[12],[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		12		12
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12],[13]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0	[18],[21]	$ 0	[12],[13]	0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.66%	[18]	14.48%	[13]
Spread		9.00%	[18]	9.00%	[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[13]	$ 17,574
Ending balance		$ 25,534	[18]	$ 17,574	[13]
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		13.66%
Spread		9.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		42
Amount of Interest, Fees or Dividends Credited to Income		385
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		26,255
Gross Reductions		721
Ending balance		25,534		$ 0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2.2
Schedule of Investments [Line Items]
Total Rate				14.48%
Spread				9.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				62
Amount of Interest, Fees or Dividends Credited to Income				2,315
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 17,574		14,954
Gross Additions				2,620
Gross Reductions				0
Ending balance				17,574		14,954
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Spread		10.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		2,900
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		3,675
Gross Reductions		3,675
Ending balance		0		0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(62)
Amount of Interest, Fees or Dividends Credited to Income		281
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		17,574
Gross Additions		0
Gross Reductions		17,574
Ending balance		0		17,574
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)		3,790		6,400
Amount of Interest, Fees or Dividends Credited to Income		4,715		4,182
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		29,320	[14]	22,920
Gross Additions		3,790		6,400
Gross Reductions		0		0
Ending balance		33,110	[16]	29,320	[14]	22,920
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)		690		150
Amount of Interest, Fees or Dividends Credited to Income		92		92
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,860	[14],[27]	2,710
Gross Additions		690		150
Gross Reductions		0		0
Ending balance		$ 3,550	[16],[28]	$ 2,860	[14],[27]	2,710
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[18],[21]	6.00%	[12],[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(90)		195
Amount of Interest, Fees or Dividends Credited to Income		98		45
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12],[13]	0
Gross Additions		90		0
Gross Reductions		90		0
Ending balance		$ 0	[18],[21]	$ 0	[12],[13]	0
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.74%	[18]	13.49%	[13]
Spread		8.00%	[18]	8.00%	[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(2)		(7)
Amount of Interest, Fees or Dividends Credited to Income		2,117		2,203
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		15,620	[13]	16,945
Gross Additions		2		7
Gross Reductions		2		1,332
Ending balance		15,620	[18]	15,620	[13]	16,945
Investment, Identifier [Axis]: Chandler Signs Holdings, LLC, Class A Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)				1,797
Amount of Unrealized Gain/(Loss)				(290)
Amount of Interest, Fees or Dividends Credited to Income				60
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 0		1,790
Gross Additions				1,797
Gross Reductions				3,587
Ending balance				$ 0		1,790
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.53%	[15],[18],[26]	12.60%	[11],[13],[38]
Spread		7.00%	[15],[18],[26]	7.00%	[11],[13],[38]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[38]	$ 1,988
Ending balance		$ 4,830	[15],[18],[26]	$ 1,988	[11],[13],[38]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.93%	[15],[18]	12.66%	[11],[13]
Spread		7.00%	[15],[18]	7.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 35,064
Ending balance		$ 34,431	[15],[18]	$ 35,064	[11],[13]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.93%	[15],[18]	12.66%	[11],[13]
Spread		7.00%	[15],[18]	7.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 1,943
Ending balance		$ 1,908	[15],[18]	$ 1,943	[11],[13]
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		11.93%	[15],[18]	12.66%	[11],[13]
Spread		7.00%	[15],[18]	7.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 4,695
Ending balance		4,610	[15],[18]	$ 4,695	[11],[13]
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)		(110)		2,350
Amount of Interest, Fees or Dividends Credited to Income		802		1,463
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		15,690	[14]	13,340
Gross Additions		0		2,350
Gross Reductions		110		0
Ending balance		$ 15,580	[16]	$ 15,690	[14]	13,340
Investment, Identifier [Axis]: Charps, LLC, Unsecured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(487)		(35)
Amount of Interest, Fees or Dividends Credited to Income		1,058		604
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,694		5,694
Gross Additions		487		35
Gross Reductions		487		35
Ending balance		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)		5,790		(3,020)
Amount of Interest, Fees or Dividends Credited to Income		693		275
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,200	[14]	8,220
Gross Additions		5,790		0
Gross Reductions		0		3,020
Ending balance		10,990	[16]	5,200	[14]	8,220
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)		(179)		220
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,129	[27]	610
Gross Additions		0		519
Gross Reductions		179		0
Ending balance		950	[28]	$ 1,129	[27]	610
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				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		2		2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0	[21]	$ 0	[12]	0
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.00%		11.50%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		174		(138)
Amount of Interest, Fees or Dividends Credited to Income		879		1,172
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		8,422		10,440
Gross Additions		138		40
Gross Reductions		1,800		2,058
Ending balance		$ 6,760		$ 8,422		10,440
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		8		0
Amount of Interest, Fees or Dividends Credited to Income		100		104
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,004		1,039
Gross Additions		9		1
Gross Reductions		40		36
Ending balance		973		1,004		1,039
Investment, Identifier [Axis]: Clarius BIGS, LLC, Secured Debt
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[20],[25]	16
Ending balance		19	[15],[17],[19]	16	[11],[20],[25]
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		10,388		0
Amount of Unrealized Gain/(Loss)		(7,390)		(8,639)
Amount of Interest, Fees or Dividends Credited to Income		1,470		5,354
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		16,000	[14]	24,637
Gross Additions		10,388		0
Gross Reductions		23,538		8,637
Ending balance		$ 2,850	[16]	$ 16,000	[14]	24,637
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[13]			11.69%
Spread		6.00%		6.00%	[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		181		537
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,560	[13]	4,560
Gross Additions		0		0
Gross Reductions		4,560		0
Ending balance		0		$ 4,560	[13]	4,560
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				8.00%
Amount of Realized Gain/(Loss)		0		$ 0
Amount of Unrealized Gain/(Loss)		(50)		(43)
Amount of Interest, Fees or Dividends Credited to Income		654		1,606
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		19,274		19,274
Gross Additions		50		43
Gross Reductions		19,324		43
Ending balance		0		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)		(4,660)		14,290
Amount of Interest, Fees or Dividends Credited to Income		1,628		4,877
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		72,470	[14],[27]	58,180
Gross Additions		0		14,290
Gross Reductions		4,660		0
Ending balance		67,810	[16],[28]	$ 72,470	[14],[27]	58,180
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				12.50%
Amount of Realized Gain/(Loss)		0		$ 0
Amount of Unrealized Gain/(Loss)		1		11
Amount of Interest, Fees or Dividends Credited to Income		45		14
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12]	0
Gross Additions		1,264		0
Gross Reductions		1,264		0
Ending balance		$ 0	[21]	$ 0	[12]	0
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%		12.50%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(12)		31
Amount of Interest, Fees or Dividends Credited to Income		5,143		3,384
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		42,073		0
Gross Additions		12		46,312
Gross Reductions		2,858		4,239
Ending balance		39,227		$ 42,073		0
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Spread				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		0		1,462
Gross Additions				32
Gross Reductions				1,494
Ending balance				$ 0		1,462
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 4
Schedule of Investments [Line Items]
Spread				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		0		40,801
Gross Additions				0
Gross Reductions				40,801
Ending balance				0		40,801
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[16]	13,570
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(1,440)		1,440
Amount of Interest, Fees or Dividends Credited to Income		1,440		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,400		0
Gross Additions		0		2,400
Gross Reductions		2,400		0
Ending balance		0		2,400		0
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		5,890		(1,480)
Amount of Interest, Fees or Dividends Credited to Income		2,882		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		7,680		9,160
Gross Additions		5,890		0
Gross Reductions		0		1,480
Ending balance		13,570		7,680		9,160
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt 1
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		8		52
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12]	0
Gross Additions		0		1,600
Gross Reductions		0		1,600
Ending balance		$ 0	[21]	$ 0	[12]	0
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		356		(319)
Amount of Interest, Fees or Dividends Credited to Income		2,293		1,804
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		21,627		23,151
Gross Additions		423		55
Gross Reductions		7,740		1,579
Ending balance		14,310		21,627		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)		(4,735)		(5,380)
Amount of Interest, Fees or Dividends Credited to Income		0		316
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		14,450	[14]	19,830
Gross Additions		1,545		0
Gross Reductions		4,735		5,380
Ending balance		$ 11,260		$ 14,450	[14]	19,830
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[18]	13.66%
Spread	[18]	9.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[18]	$ 2,903
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		9.00%		9.00%	[12],[13],[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		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12],[13],[25]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0		$ 0	[12],[13],[25]	0
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.66%		14.48%	[13]
Spread		9.00%		9.00%	[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		(9)
Amount of Interest, Fees or Dividends Credited to Income		483		668
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,454	[13]	5,241
Gross Additions		0		9
Gross Reductions		551		1,796
Ending balance		2,903		3,454	[13]	5,241
Investment, Identifier [Axis]: Compass Systems & Sales, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(4)		0
Amount of Interest, Fees or Dividends Credited to Income		240		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		7,454		0
Gross Additions		0		7,454
Gross Reductions		4		0
Ending balance		7,450		$ 7,454		0
Investment, Identifier [Axis]: Compass Systems & Sales, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				13.50%
Amount of Realized Gain/(Loss)		0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		118		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12]	0
Gross Additions		2,379		0
Gross Reductions		2,400		0
Ending balance		$ (21)	[21]	$ 0	[12]	0
Investment, Identifier [Axis]: Compass Systems & Sales, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.50%		13.50%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		2,395		608
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		17,034		0
Gross Additions		33		17,034
Gross Reductions		0		0
Ending balance		$ 17,067		$ 17,034		0
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.93%	[15],[18],[26]	13.52%	[11],[13],[39]
Spread		8.25%	[15],[18],[26]	8.00%	[11],[13],[39]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[39]	$ 4,848
Ending balance		$ 7,341	[15],[18],[26]	$ 4,848	[11],[13],[39]
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]			13.52%
Spread		8.25%	[15],[18],[21]	8.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 17,757
Ending balance		$ (113)	[15],[18],[21]	$ 17,757	[11],[13]
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18]	12.92%
Spread	[15],[18]	8.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 17,769
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	[14],[31],[34],[35]	4,352
Ending balance	[14],[31],[34],[35]			4,352
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]
Ending balance	[16],[23],[36],[37]	2,276
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)		(111)		13
Amount of Interest, Fees or Dividends Credited to Income		239		443
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,352		7,657
Gross Additions		0		13
Gross Reductions		2,076		3,318
Ending balance		2,276		4,352		7,657
Investment, Identifier [Axis]: Connect Telecommunications Solutions Holdings, Inc., 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		12,596
Gross Reductions		0
Ending balance		$ 12,596	[23]	0
Investment, Identifier [Axis]: Connect Telecommunications Solutions Holdings, Inc., Secured Debt
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		1,472
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		28,576
Gross Reductions		1,261
Ending balance		$ 27,315		0
Investment, Identifier [Axis]: Connect Telecommunications Solutions Holdings, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[23]	13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[23]	$ 27,315
Investment, Identifier [Axis]: Construction Supply Investments, LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	23,135
Ending balance	[11]			23,135
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		38
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		568	[14],[31],[34],[35]	588
Gross Additions		0		0
Gross Reductions		68		20
Ending balance		$ 500	[23],[36],[37]	568	[14],[31],[34],[35]	588
Investment, Identifier [Axis]: Coregistics Buyer LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[18],[23],[26],[33]	10.39%
Spread	[15],[18],[23],[26],[33]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[23],[26],[33]	$ 1,639
Investment, Identifier [Axis]: Coregistics Buyer LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18],[23],[33]	10.36%
Spread	[15],[18],[23],[33]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[23],[33]	$ 10,507
Investment, Identifier [Axis]: Coregistics Buyer LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18],[23],[33]	10.40%
Spread	[15],[18],[23],[33]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[23],[33]	$ 6,987
Investment, Identifier [Axis]: Coregistics Buyer LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[15],[18],[23],[33]	10.61%
Spread	[15],[18],[23],[33]	6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[23],[33]	$ 30,165
Investment, Identifier [Axis]: Creative Foam Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[15],[18],[21]	5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[21]	$ (272)
Investment, Identifier [Axis]: Creative Foam Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.11%
Spread	[15],[18]	5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 105,229
Investment, Identifier [Axis]: Cybermedia Technologies, 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		1,403		163
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		15,000		0
Gross Additions		0		15,000
Gross Reductions		0		0
Ending balance		15,000	[16]	$ 15,000		0
Investment, Identifier [Axis]: Cybermedia Technologies, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				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		10		7
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0	[21]	$ 0	[12]	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		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		3,725		2,989
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		28,389		0
Gross Additions		65		28,752
Gross Reductions		1,338		363
Ending balance		27,116		28,389		0
Investment, Identifier [Axis]: DMA Industries, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)				0
Amount of Unrealized Gain/(Loss)				400
Amount of Interest, Fees or Dividends Credited to Income				0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		7,660		7,260
Gross Additions				400
Gross Reductions				0
Ending balance				7,660		7,260
Investment, Identifier [Axis]: DMA Industries, LLC, Preferred Equity 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(1,716)
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		7,660
Gross Additions		0
Gross Reductions		1,716
Ending balance		$ 5,944		7,660
Investment, Identifier [Axis]: DMA Industries, LLC, Preferred Equity 2
Schedule of Investments [Line Items]
Total Rate	[16]	15.00%
PIK Rate	[16]	15.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		172
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		3,240
Gross Reductions		0
Ending balance		3,240	[16]	$ 0
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(49)
Amount of Interest, Fees or Dividends Credited to Income				2,518
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 18,800		21,200
Gross Additions				49
Gross Reductions				2,449
Ending balance				18,800		21,200
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 555
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		12.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(115)
Amount of Interest, Fees or Dividends Credited to Income		2,178
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		18,800
Gross Additions		37
Gross Reductions		2,115
Ending balance		$ 16,722		18,800
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 16,722
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		12.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		43
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		555
Gross Reductions		0
Ending balance		$ 555		$ 0
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class A Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		8.00%	[15]	8.00%	[11]
PIK Rate		8.00%	[15]	8.00%	[11]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	$ 260
Ending balance		$ 0	[15]	$ 260	[11]
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class AA Preferred Member Units (non-voting)
Schedule of Investments [Line Items]
Total Rate		10.00%	[15],[16]	10.00%	[11],[14]
PIK Rate		10.00%	[15],[16]	10.00%	[11],[14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[14]	$ 1,284
Ending balance		438	[15],[16]	$ 1,284	[11],[14]
Investment, Identifier [Axis]: Dalton US Inc., Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	830
Ending balance		690	[15]	830	[11]
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)		170		(2,600)
Amount of Interest, Fees or Dividends Credited to Income		0		(96)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		70		2,670
Gross Additions		170		0
Gross Reductions		0		2,600
Ending balance		$ 240		$ 70		2,670
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		7.50%		7.50%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		28		40
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		447		223
Gross Additions		587		809
Gross Reductions		541		585
Ending balance		$ 493		$ 447		223
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		485		(85)
Amount of Interest, Fees or Dividends Credited to Income		979		1,012
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		7,587		7,789
Gross Additions		630		153
Gross Reductions		270		355
Ending balance		7,947		7,587		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		200		200
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		9,835	[14]	9,835
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 9,835	[16]	$ 9,835	[14]	9,835
Investment, Identifier [Axis]: Digital Products Holdings LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.56%	[18]	15.38%	[13]
Spread		10.00%	[18]	10.00%	[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(71)		(67)
Amount of Interest, Fees or Dividends Credited to Income		2,128		2,332
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		14,690	[13]	15,523
Gross Additions		59		0
Gross Reductions		2,327		833
Ending balance		12,422	[18]	14,690	[13]	15,523
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)		(2,810)		(1,480)
Amount of Interest, Fees or Dividends Credited to Income		0		171
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		20,740	[14]	22,220
Gross Additions		0		0
Gross Reductions		2,810		1,480
Ending balance		17,930		$ 20,740	[14]	22,220
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				14.00%
Amount of Realized Gain/(Loss)		0		$ 0
Amount of Unrealized Gain/(Loss)		(29)		(29)
Amount of Interest, Fees or Dividends Credited to Income		81		91
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,233		0
Gross Additions		1,729		1,304
Gross Reductions		2,962		71
Ending balance		$ 0	[21]	$ 1,233		0
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.00%		14.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(44)		(59)
Amount of Interest, Fees or Dividends Credited to Income		3,553		3,687
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		25,543		27,267
Gross Additions		44		59
Gross Reductions		1,685		1,783
Ending balance		23,902		25,543		27,267
Investment, Identifier [Axis]: Dos Rios Partners, LP Interests (Dos Rios Partners - A, LP)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		241
Amount of Unrealized Gain/(Loss)		(139)		(221)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,631	[31],[34],[35]	2,898
Gross Additions		0		241
Gross Reductions		184		508
Ending balance		2,447	[23],[36],[37]	2,631	[31],[34],[35]	2,898
Investment, Identifier [Axis]: Dos Rios Partners, LP Interests (Dos Rios Partners, LP)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		759
Amount of Unrealized Gain/(Loss)		(593)		(539)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		8,443	[31],[34],[35]	9,127
Gross Additions		0		759
Gross Reductions		735		1,443
Ending balance		7,708	[23],[36],[37]	8,443	[31],[34],[35]	9,127
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)		(1,580)		250
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,580	[11],[27]	1,330
Gross Additions		0		250
Gross Reductions		1,580		0
Ending balance		$ 0	[15],[28]	$ 1,580	[11],[27]	1,330
Investment, Identifier [Axis]: Dreyfus Government Cash Management
Schedule of Investments [Line Items]
Total Rate		4.43%		4.98%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[40]	$ 13,476
Ending balance		3,400	[41]	$ 13,476	[40]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	0
Ending balance		0	[15]	0	[11]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Preferred Equity 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	60
Ending balance		60	[15]	60	[11]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Preferred Equity 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	0
Ending balance		$ 0	[15]	$ 0	[11]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.46%	[15],[18]	10.45%	[11],[13]
Spread		7.00%	[15],[18]	5.00%	[11],[13]
PIK Rate		11.46%	[15],[18]	10.45%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 1,912
Ending balance		$ 2,220	[15],[18]	$ 1,912	[11],[13]
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.46%	[15],[18]	12.45%	[11],[13]
Spread		9.00%	[15],[18]	7.00%	[11],[13]
PIK Rate		13.46%	[15],[18]	12.45%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 1,859
Ending balance		2,219	[15],[18]	$ 1,859	[11],[13]
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)		36		33
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		52		89
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		760	[14],[31],[34],[35]	1,013
Gross Additions		36		176
Gross Reductions		427		429
Ending balance		$ 369	[16],[23],[37]	$ 760	[14],[31],[34],[35]	1,013
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.74%	[15],[18]	13.50%	[11],[13]
Spread		8.00%	[15],[18]	8.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 927
Ending balance		$ 2,714	[15],[18]	$ 927	[11],[13]
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.74%	[15],[18]	13.50%	[11],[13]
Spread		8.00%	[15],[18]	8.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 4,596
Ending balance		$ 4,201	[15],[18]	$ 4,596	[11],[13]
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.74%	[15],[18]	13.50%	[11],[13]
Spread		8.00%	[15],[18]	8.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 9,167
Ending balance		$ 8,380	[15],[18]	$ 9,167	[11],[13]
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.74%	[15],[18]	13.50%	[11],[13]
Spread		8.00%	[15],[18]	8.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 1,901
Ending balance		$ 1,738	[15],[18]	$ 1,901	[11],[13]
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 5
Schedule of Investments [Line Items]
Total Rate		12.74%	[15],[18]	13.50%	[11],[13]
Spread		8.00%	[15],[18]	8.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 10,403
Ending balance		9,509	[15],[18]	$ 10,403	[11],[13]
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Common Stock 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(360)		364
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		6,090		7,603
Gross Additions		0		364
Gross Reductions		360		1,877
Ending balance		5,730		6,090		7,603
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Common Stock 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		1,380		112
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,670	[27]	1,558
Gross Additions		1,380		112
Gross Reductions		0		0
Ending balance		$ 3,050	[28]	$ 1,670	[27]	1,558
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[18],[21]	6.00%	[12],[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		9		9
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		(7)	[12],[13]	(9)
Gross Additions		2		2
Gross Reductions		0		0
Ending balance		$ (5)	[18],[21]	$ (7)	[12],[13]	(9)
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		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		2,265		2,322
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		18,632		18,594
Gross Additions		41		38
Gross Reductions		704		0
Ending balance		$ 17,969		$ 18,632		18,594
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		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		568		573
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		6,252		6,294
Gross Additions		3		3
Gross Reductions		48		45
Ending balance		6,207		$ 6,252		6,294
Investment, Identifier [Axis]: Emerald Technologies Acquisition Co, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[13]			11.79%
Spread	[7],[13]			6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	$ 8,158
Ending balance	[7],[13]			$ 8,158
Investment, Identifier [Axis]: Emerald Technologies Acquisition Co, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[8],[18]	10.71%
Spread	[8],[18]	6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8],[18]	$ 7,670
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund IX, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[31],[34],[35]	1,720
Ending balance	[14],[31],[34],[35]			1,720
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund VIII Co-Investors, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[31],[34],[35]	899
Ending balance	[14],[31],[34],[35]			899
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund VIII, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[31],[34],[35]	1,918
Ending balance	[14],[31],[34],[35]			1,918
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Energy Capital Fund X, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[31],[34],[35]	5,858
Ending balance	[14],[31],[34],[35]			5,858
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Flatrock Midstream Fund II, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[31],[34],[35]	1,413
Ending balance	[14],[31],[34],[35]			1,413
Investment, Identifier [Axis]: EnCap Energy Fund Investments, LP Interests (EnCap Flatrock Midstream Fund III, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[31],[34],[35]	4,056
Ending balance	[14],[31],[34],[35]			$ 4,056
Investment, Identifier [Axis]: EnCap Energy Fund Investments., LP Interests (EnCap Energy Capital Fund IX, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[16],[23],[36],[37]	1,088
Investment, Identifier [Axis]: EnCap Energy Fund Investments., LP Interests (EnCap Energy Capital Fund VIII Co-Investors, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[16],[23],[36],[37]	846
Investment, Identifier [Axis]: EnCap Energy Fund Investments., LP Interests (EnCap Energy Capital Fund VIII, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[16],[23],[36],[37]	1,754
Investment, Identifier [Axis]: EnCap Energy Fund Investments., LP Interests (EnCap Energy Capital Fund X, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[16],[23],[36],[37]	5,051
Investment, Identifier [Axis]: EnCap Energy Fund Investments., LP Interests (EnCap Energy Capital Fund XII, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[16],[23],[36],[37]	3,525
Investment, Identifier [Axis]: EnCap Energy Fund Investments., LP Interests (EnCap Flatrock Midstream Fund II, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[16],[23],[36],[37]	1,514
Investment, Identifier [Axis]: EnCap Energy Fund Investments., LP Interests (EnCap Flatrock Midstream Fund III, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[16],[23],[36],[37]	3,756
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	0
Ending balance	[11],[12],[13]			$ 0
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.98%
Spread	[11],[13]			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	16,134
Ending balance	[11],[13]			$ 16,134
Investment, Identifier [Axis]: Escalent, Inc., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	730
Ending balance		$ 910	[15],[16]	$ 730	[11]
Investment, Identifier [Axis]: Escalent, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		8.00%	[15],[18],[21]	8.00%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (35)
Ending balance		$ (28)	[15],[18],[21]	$ (35)	[11],[12],[13]
Investment, Identifier [Axis]: Escalent, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.39%	[15],[18]	13.45%	[11],[13]
Spread		8.00%	[15],[18]	8.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 26,313
Ending balance		$ 1,359	[15],[18]	$ 26,313	[11],[13]
Investment, Identifier [Axis]: Escalent, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18]	12.43%
Spread	[15],[18]	8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 26,048
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13]			12.61%
Spread	[11],[13]			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	3,626
Ending balance	[11],[13]			$ 3,626
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]			12.61%
Spread	[11],[13]			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 43,373
Ending balance	[11],[13]			$ 43,373
Investment, Identifier [Axis]: Event Holdco, LLC., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[18]	12.59%
Spread	[15],[18]	8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 3,692
Investment, Identifier [Axis]: Event Holdco, LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	12.59%
Spread	[15],[18]	8.00%
PIK Rate	[15],[18]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 47,633
Investment, Identifier [Axis]: FCC Intermediate Holdco, LLC, Secured Debt
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		3,795
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		29,109
Gross Reductions		0
Ending balance		$ 29,109		0
Investment, Identifier [Axis]: FCC Intermediate Holdco, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 29,109
Investment, Identifier [Axis]: FCC Intermediate Holdco, LLC, Warrants
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		6,920
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		10,840
Gross Reductions		0
Ending balance		$ 10,840	[10]	$ 0
Investment, Identifier [Axis]: Fidelity Government Fund
Schedule of Investments [Line Items]
Total Rate		4.14%		5.01%
Investment, Identifier [Axis]: Fidelity Government Fund
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[42]	$ 1,678
Ending balance		$ 1,526	[26]	$ 1,678	[42]
Investment, Identifier [Axis]: Fidelity Treasury
Schedule of Investments [Line Items]
Total Rate		4.10%		4.99%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[43]	$ 70
Ending balance		1,548	[44]	$ 70	[43]
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)		8,020		10,320
Amount of Interest, Fees or Dividends Credited to Income		4,918		3,257
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		27,900	[14]	17,580
Gross Additions		8,020		10,320
Gross Reductions		0		0
Ending balance		35,920	[16]	$ 27,900	[14]	17,580
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread				6.50%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(60)
Amount of Interest, Fees or Dividends Credited to Income				484
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		7,600
Gross Additions				60
Gross Reductions				7,660
Ending balance				$ 0		7,600
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread				9.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(162)
Amount of Interest, Fees or Dividends Credited to Income				1,583
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		21,200
Gross Additions				162
Gross Reductions				21,362
Ending balance				0		21,200
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	[31],[34],[35]	3,012
Ending balance		2,190	[23],[36],[37]	3,012	[31],[34],[35]
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	[14],[31],[34],[35]	3,704
Ending balance		1,263	[16],[23],[36],[37]	3,704	[14],[31],[34],[35]
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)		(543)		177
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,012		3,483
Gross Additions		0		177
Gross Reductions		822		648
Ending balance		2,190		3,012		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)		59		0
Amount of Interest, Fees or Dividends Credited to Income		41		598
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,704		5,848
Gross Additions		59		0
Gross Reductions		2,500		2,144
Ending balance		1,263		3,704		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	[7]			$ 0
Investment, Identifier [Axis]: Fuse, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7]			12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]	1,320
Ending balance	[7]			$ 1,320
Investment, Identifier [Axis]: Fuse, LLC., Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8]	$ 0
Investment, Identifier [Axis]: Fuse, LLC., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[8],[16]	12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8],[16]	$ 932
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)		(920)		4,320
Amount of Interest, Fees or Dividends Credited to Income		1,812		802
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		11,460	[14]	7,140
Gross Additions		0		4,320
Gross Reductions		920		0
Ending balance		$ 10,540	[16]	$ 11,460	[14]	7,140
Investment, Identifier [Axis]: GFG Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		8.00%		8.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(22)		(33)
Amount of Interest, Fees or Dividends Credited to Income		748		988
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		9,345		11,345
Gross Additions		22		33
Gross Reductions		1,182		2,033
Ending balance		8,185		9,345		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)		1,450		0
Amount of Interest, Fees or Dividends Credited to Income		230		183
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		44,440		44,440
Gross Additions		1,450		0
Gross Reductions		0		0
Ending balance		$ 45,890		$ 44,440		44,440
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.66%		11.48%
Spread		6.00%		6.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		1		6
Amount of Interest, Fees or Dividends Credited to Income		343		177
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,400		670
Gross Additions		746		1,730
Gross Reductions		0		0
Ending balance		$ 3,146		$ 2,400		670
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.66%		13.48%
Spread		8.00%		8.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(47)		(47)
Amount of Interest, Fees or Dividends Credited to Income		5,521		5,428
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		40,493		40,493
Gross Additions		47		47
Gross Reductions		47		47
Ending balance		40,493		$ 40,493		40,493
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13],[45]			11.96%
Spread	[11],[13],[45]			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[45]	1,545
Ending balance	[11],[13],[45]			$ 1,545
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread	[11],[12],[13]			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	(9)
Ending balance	[11],[12],[13]			$ (9)
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.96%
Spread	[11],[13]			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	10,624
Ending balance	[11],[13]			$ 10,624
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.96%
Spread	[11],[13]			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	952
Ending balance	[11],[13]			$ 952
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 5
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.96%
Spread	[11],[13]			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 227
Ending balance	[11],[13]			$ 227
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[18],[26]	11.12%
Spread	[15],[18],[26]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[26]	$ 1,864
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.24%
Spread	[15],[18]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 10,509
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.24%
Spread	[15],[18]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 942
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC., Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.24%
Spread	[15],[18]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 225
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC., Secured Debt 5
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.98%
Spread	[15],[18]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 6,076
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13],[46]			11.28%
Spread	[11],[13],[46]			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[46]	454
Ending balance	[11],[13],[46]			$ 454
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.38%
Spread	[11],[13]			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	301
Ending balance	[11],[13]			$ 301
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.25%
Spread	[11],[13]			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 3,615
Ending balance	[11],[13]			$ 3,615
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[18],[26]	10.50%
Spread	[15],[18],[26]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[26]	$ 662
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.55%
Spread	[15],[18]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 279
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.46%
Spread	[15],[18]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 3,350
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)		18,040		45,820
Amount of Interest, Fees or Dividends Credited to Income		7,688		5,961
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		96,710	[14]	50,890
Gross Additions		18,040		45,820
Gross Reductions		0		0
Ending balance		$ 114,750	[16]	$ 96,710	[14]	50,890
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.00%	[18],[21],[47]	7.50%	[12],[13],[24]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		6		6
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12],[13],[24]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0	[18],[21],[47]	$ 0	[12],[13],[24]	0
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.00%	[18],[47]	10.50%	[13],[24]
Spread		7.00%	[18],[47]	7.50%	[13],[24]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[13],[24]	$ 54,078
Ending balance		$ 73,126	[18],[47]	$ 54,078	[13],[24]
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		11.00%
Spread		7.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		140
Amount of Interest, Fees or Dividends Credited to Income		1,046
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		73,126
Gross Reductions		0
Ending balance		73,126		$ 0
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 2.2
Schedule of Investments [Line Items]
Total Rate				10.50%
Spread				7.50%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(128)
Amount of Interest, Fees or Dividends Credited to Income				6,684
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 54,078		64,078
Gross Additions				128
Gross Reductions				10,128
Ending balance				54,078		64,078
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Spread		7.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(266)
Amount of Interest, Fees or Dividends Credited to Income		5,112
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		54,078
Gross Additions		0
Gross Reductions		54,078
Ending balance		0		54,078
Investment, Identifier [Axis]: Garreco, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		480		(220)
Amount of Interest, Fees or Dividends Credited to Income		87		11
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,580		1,800
Gross Additions		480		0
Gross Reductions		0		220
Ending balance		$ 2,060	[16]	$ 1,580		1,800
Investment, Identifier [Axis]: Garreco, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[13],[48]			9.50%
Spread		8.00%		8.00%	[13],[48]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		92		390
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,088	[13],[48]	3,826
Gross Additions		0		0
Gross Reductions		3,088		738
Ending balance		0		3,088	[13],[48]	3,826
Investment, Identifier [Axis]: Garyline, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	706
Ending balance	[11]			$ 706
Investment, Identifier [Axis]: Garyline, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]			6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	(256)
Ending balance	[11],[12],[13]			$ (256)
Investment, Identifier [Axis]: Garyline, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]			12.22%
Spread	[11],[13]			6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	31,529
Ending balance	[11],[13]			$ 31,529
Investment, Identifier [Axis]: Garyline, LLC., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15]	$ 500
Investment, Identifier [Axis]: Garyline, LLC., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[18],[26]	11.29%
Spread	[15],[18],[26]	6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[26]	$ 8,118
Investment, Identifier [Axis]: Garyline, LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.34%
Spread	[15],[18]	6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 32,146
Investment, Identifier [Axis]: GradeEight Corp., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15]	$ 1,365
Investment, Identifier [Axis]: GradeEight Corp., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[15],[18],[21]	7.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[21]	$ (95)
Investment, Identifier [Axis]: GradeEight Corp., Secured Debt 2
Schedule of Investments [Line Items]
Spread	[15],[18],[21]	7.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[21]	$ (48)
Investment, Identifier [Axis]: GradeEight Corp., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18],[49]	11.74%
Spread	[15],[18],[49]	7.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[49]	$ 31,002
Investment, Identifier [Axis]: Gulf Manufacturing, 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		0
Gross Additions		888
Gross Reductions		0
Ending balance		888	[23],[33]	0
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)		5,660		2,280
Amount of Interest, Fees or Dividends Credited to Income		1,481		2,832
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		9,070	[14]	6,790
Gross Additions		5,660		2,280
Gross Reductions		0		0
Ending balance		$ 14,730	[16],[23],[33]	9,070	[14]	6,790
Investment, Identifier [Axis]: Gulf Manufacturing, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[21],[23],[33]	7.63%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		42
Amount of Interest, Fees or Dividends Credited to Income		129
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		0
Gross Reductions		0
Ending balance		$ 0	[21],[23],[33]	0
Investment, Identifier [Axis]: Gulf Manufacturing, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[23],[33]	12.19%
Spread	[23],[33]	7.63%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		325
Amount of Interest, Fees or Dividends Credited to Income		5,472
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		40,000
Gross Reductions		1,000
Ending balance		39,000	[23],[33]	0
Investment, Identifier [Axis]: Gulf Publishing Holdings, 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
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(2,460)		(1,320)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,460		3,780
Gross Additions		0		0
Gross Reductions		2,460		1,320
Ending balance		$ 0		$ 2,460		3,780
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		9.50%	[18],[19],[21]	9.50%	[12],[13]
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	[12],[13]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0	[18],[19],[21]	$ 0	[12],[13]	0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%	[19]	12.50%
PIK Rate	[19]	12.50%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(666)		0
Amount of Interest, Fees or Dividends Credited to Income		79		304
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,284		2,284
Gross Additions		0		0
Gross Reductions		766		0
Ending balance		1,518	[19]	$ 2,284		2,284
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13],[25]			14.34%
Spread	[11],[13],[25]			9.50%
PIK Rate	[11],[13],[25]			14.34%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[25]	336
Ending balance	[11],[13],[25]			$ 336
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13],[25]			14.34%
Spread	[11],[13],[25]			9.50%
PIK Rate	[11],[13],[25]			14.34%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[25]	3,406
Ending balance	[11],[13],[25]			$ 3,406
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15]	$ 0
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[18]	8.75%
Spread	[15],[18]	3.50%
PIK Rate	[15],[18]	2.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 2,327
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[19]	2.50%
PIK Rate	[15],[19]	2.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[19]	$ 418
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	(48)
Ending balance	[11],[12],[13]			$ (48)
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.86%
Spread	[11],[13]			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	6,733
Ending balance	[11],[13]			$ 6,733
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.86%
Spread	[11],[13]			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 16,622
Ending balance	[11],[13]			$ 16,622
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[15],[18],[21]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[21]	$ (35)
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.86%
Spread	[15],[18]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 6,666
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.86%
Spread	[15],[18]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 4,713
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC., Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.86%
Spread	[15],[18]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 16,453
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC., Secured Debt 5
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.86%
Spread	[15],[18]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 8,039
Investment, Identifier [Axis]: HOWLCO LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[13],[31],[32]			11.53%
Spread	[7],[13],[31],[32]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13],[31],[32]	$ 24,397
Ending balance	[7],[13],[31],[32]			$ 24,397
Investment, Identifier [Axis]: HOWLCO LLC., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[8],[18],[23],[33]	11.28%
Spread	[8],[18],[23],[33]	6.50%
PIK Rate	[8],[18],[23],[33]	3.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8],[18],[23],[33]	$ 26,096
Investment, Identifier [Axis]: HPEP 3, L.P., LP Interests (423 COR, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)				0
Amount of Unrealized Gain/(Loss)				469
Amount of Interest, Fees or Dividends Credited to Income				130
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,869		1,400
Gross Additions				469
Gross Reductions				0
Ending balance				1,869		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		0
Amount of Unrealized Gain/(Loss)		247		156
Amount of Interest, Fees or Dividends Credited to Income		1		4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,225		4,331
Gross Additions		247		403
Gross Reductions		0		509
Ending balance		4,472		4,225		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		0
Amount of Unrealized Gain/(Loss)		329		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		3,773		2,332
Gross Additions		2,088		1,441
Gross Reductions		0		0
Ending balance		5,861		3,773		2,332
Investment, Identifier [Axis]: HPEP 423 COR, LP, LP Interests (423 COR, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		818
Amount of Interest, Fees or Dividends Credited to Income		102
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,869
Gross Additions		2,318
Gross Reductions		0
Ending balance		4,187		1,869
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (2717 GRE-LP, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[23],[36],[37]	441
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	[31],[34],[35]	315
Ending balance		383	[23],[36],[37]	315	[31],[34],[35]
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	[14],[31],[34],[35]	6,050
Ending balance		8,818	[16],[23],[36],[37]	6,050	[14],[31],[34],[35]
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (423 COR, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[31],[34],[35]	1,869
Ending balance		4,187	[16],[23],[36],[37]	1,869	[14],[31],[34],[35]
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (423 HAR, L.P.)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[31],[34],[35]	996
Ending balance		1,226	[23],[36],[37]	996	[31],[34],[35]
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	[31],[34],[35]	4,225
Ending balance		4,472	[23],[36],[37]	4,225	[31],[34],[35]
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	[31],[34],[35]	3,773
Ending balance		5,861	[23],[36],[37]	3,773	[31],[34],[35]
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)		2,350		1,380
Amount of Interest, Fees or Dividends Credited to Income		308		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,660		3,280
Gross Additions		2,350		1,380
Gross Reductions		0		0
Ending balance		7,010	[16]	4,660		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)		2,800		0
Amount of Interest, Fees or Dividends Credited to Income		290		293
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		17,460		17,460
Gross Additions		2,800		0
Gross Reductions		0		0
Ending balance		20,260	[16]	17,460		17,460
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)		150		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		920	[27]	920
Gross Additions		150		0
Gross Reductions		0		0
Ending balance		$ 1,070	[28]	$ 920	[27]	920
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.73%	[18]	11.65%	[13]
Spread		6.00%	[18]	6.00%	[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(1)		(1)
Amount of Interest, Fees or Dividends Credited to Income		316		317
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,974	[13]	3,185
Gross Additions		7,432		6,037
Gross Reductions		6,761		7,248
Ending balance		$ 2,645	[18]	$ 1,974	[13]	3,185
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%		12.50%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(55)		(4)
Amount of Interest, Fees or Dividends Credited to Income		5,807		5,094
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		45,256		37,800
Gross Additions		55		7,460
Gross Reductions		55		4
Ending balance		$ 45,256		45,256		37,800
Investment, Identifier [Axis]: Hornblower Sub, LLC., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[18],[26]	9.92%
Spread	[15],[18],[26]	5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[26]	$ 2,407
Investment, Identifier [Axis]: Hornblower Sub, LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.11%
Spread	[15],[18]	5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 30,701
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)		590		940
Amount of Interest, Fees or Dividends Credited to Income		148		84
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,340	[14]	2,400
Gross Additions		590		940
Gross Reductions		0		0
Ending balance		$ 3,930	[16]	$ 3,340	[14]	2,400
Investment, Identifier [Axis]: Houston Plating and Coatings, LLC, Unsecured Convertible Debt
Schedule of Investments [Line Items]
Total Rate		10.00%		8.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		60		(120)
Amount of Interest, Fees or Dividends Credited to Income		289		243
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,880		3,000
Gross Additions		60		0
Gross Reductions		0		120
Ending balance		2,940		$ 2,880		3,000
Investment, Identifier [Axis]: Hybrid Promotions, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[11],[13]			15.91%
Spread	[11],[13]			8.25%
PIK Rate	[11],[13]			2.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 6,581
Ending balance	[11],[13]			$ 6,581
Investment, Identifier [Axis]: Hybrid Promotions, LLC., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[15],[18]	13.10%
Spread	[15],[18]	8.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 7,200
Investment, Identifier [Axis]: I-45 SLF LLC, Member Units (Fully diluted 20.0%; 21.75% profits interest)
Schedule of Investments [Line Items]
Diluted, percentage (as a percent)	[31],[35]			20.00%
Profits, percentage (as a percent)	[31],[35]			21.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[31],[35]	$ 13,490
Ending balance	[14],[31],[35]			$ 13,490
Investment, Identifier [Axis]: I-45 SLF LLC, Member Units (Fully diluted 20.0%; 21.75% profits interest)
Schedule of Investments [Line Items]
Diluted, percentage (as a percent)		20.00%		20.00%
Profits, percentage (as a percent)		21.75%		21.75%
Amount of Realized Gain/(Loss)		$ (7,107)		$ 0
Amount of Unrealized Gain/(Loss)		6,710		532
Amount of Interest, Fees or Dividends Credited to Income		429		2,317
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		13,490		11,758
Gross Additions		0		1,732
Gross Reductions		13,490		0
Ending balance		0		13,490		11,758
Investment, Identifier [Axis]: IG Investor, LLC, Common Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		1,830		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		14,400		0
Gross Additions		1,830		15,096
Gross Reductions		0		696
Ending balance		$ 16,230		14,400		0
Investment, Identifier [Axis]: IG Investor, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		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		119		98
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		(35)	[12]	0
Gross Additions		1,607		765
Gross Reductions		0		800
Ending balance		$ 1,572		$ (35)	[12]	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		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		4,862		3,428
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		36,934		0
Gross Additions		83		37,374
Gross Reductions		1,760		440
Ending balance		$ 35,257		$ 36,934		0
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.75%	[8],[18],[21]	5.75%	[7],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[12],[13]	$ 0
Ending balance		$ 0	[8],[18],[21]	$ 0	[7],[12],[13]
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.21%	[8],[18]	10.96%	[7],[13]
Spread		5.75%	[8],[18]	5.50%	[7],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	$ 9,399
Ending balance		$ 10,154	[8],[18]	$ 9,399	[7],[13]
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.21%	[8],[18]	10.96%	[7],[13]
Spread		5.75%	[8],[18]	5.50%	[7],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	$ 4,953
Ending balance		4,903	[8],[18]	$ 4,953	[7],[13]
Investment, Identifier [Axis]: INW Manufacturing, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[13]			11.36%
Spread	[7],[13]			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	$ 5,325
Ending balance	[7],[13]			$ 5,325
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.78%	[18]	16.59%	[13]
Spread		9.00%	[18]	9.00%	[13]
PIK Rate	[13]			2.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		11		0
Amount of Interest, Fees or Dividends Credited to Income		169		20
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		816	[13]	0
Gross Additions		600		816
Gross Reductions		236		0
Ending balance		$ 1,180	[18]	$ 816	[13]	0
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.78%	[18]	16.59%	[13]
Spread		9.00%	[18]	9.00%	[13]
PIK Rate	[13]			2.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		12		0
Amount of Interest, Fees or Dividends Credited to Income		121		34
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		697	[13]	0
Gross Additions		297		697
Gross Reductions		0		0
Ending balance		$ 994	[18]	$ 697	[13]	0
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.78%	[18]	15.59%	[13]
Spread		8.00%	[18]	8.00%	[13]
PIK Rate	[13]			2.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		666		0
Amount of Interest, Fees or Dividends Credited to Income		938		560
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,430	[13]	0
Gross Additions		1,008		3,430
Gross Reductions		0		0
Ending balance		$ 4,438	[18]	$ 3,430	[13]	0
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		14.78%	[18]	17.59%	[13]
Spread		10.00%	[18]	10.00%	[13]
PIK Rate	[13]			2.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		666		0
Amount of Interest, Fees or Dividends Credited to Income		1,027		607
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,430	[13]	0
Gross Additions		1,008		3,430
Gross Reductions		0		0
Ending balance		4,438	[18]	3,430	[13]	0
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Warrants
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		3,599		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		2,091	[9]	0
Gross Additions		3,599		2,091
Gross Reductions		0		0
Ending balance		5,690	[10]	2,091	[9]	0
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	1,110
Ending balance		$ 1,020	[15]	$ 1,110	[11]
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.39%	[15],[18],[26]	12.41%	[11],[13],[50]
Spread		7.00%	[15],[18],[26]	7.00%	[11],[13],[50]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[50]	$ 1,571
Ending balance		$ 1,581	[15],[18],[26]	$ 1,571	[11],[13],[50]
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.62%	[15],[18]	12.45%	[11],[13]
Spread		7.00%	[15],[18]	7.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 20,637
Ending balance		$ 20,559	[15],[18]	$ 20,637	[11],[13]
Investment, Identifier [Axis]: Implus Footcare, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.73%	[15],[18]	14.25%	[11],[13]
Spread		7.75%	[15],[18]	7.75%	[11],[13]
PIK Rate		1.50%	[15],[18]	1.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 17,334
Ending balance		15,892	[15],[18]	$ 17,334	[11],[13]
Investment, Identifier [Axis]: Independent Pet Partners Intermediate Holdings, LLC, Common Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		2,700		(610)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		17,690	[11]	0
Gross Additions		2,700		18,300
Gross Reductions		0		610
Ending balance		20,390	[15]	17,690	[11]	0
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[27]	690
Ending balance	[11],[27]			$ 690
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Total Rate	[11],[14],[27]			10.00%
PIK Rate	[11],[14],[27]			10.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[14],[27]	178
Ending balance	[11],[14],[27]			$ 178
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Total Rate	[11],[14],[27]			20.00%
PIK Rate	[11],[14],[27]			20.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[14],[27]	120
Ending balance	[11],[14],[27]			$ 120
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13],[51]			12.22%
Spread	[11],[13],[51]			6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[51]	1,390
Ending balance	[11],[13],[51]			$ 1,390
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]			12.22%
Spread	[11],[13]			6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	19,044
Ending balance	[11],[13]			$ 19,044
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		4,712		0
Amount of Interest, Fees or Dividends Credited to Income		899		125
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,000		0
Gross Additions		5,080		4,000
Gross Reductions		0		0
Ending balance		$ 9,080	[16]	$ 4,000		0
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%		13.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		96		0
Amount of Interest, Fees or Dividends Credited to Income		2,096		1,985
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		17,403		0
Gross Additions		147		17,853
Gross Reductions		2,500		450
Ending balance		15,050		$ 17,403		0
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.21%
Spread	[11],[13]			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	1,504
Ending balance	[11],[13]			$ 1,504
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.21%
Spread	[11],[13]			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	7,752
Ending balance	[11],[13]			$ 7,752
Investment, Identifier [Axis]: Insight Borrower Corporation, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	656
Ending balance		$ 320	[15]	$ 656	[11]
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.25%	[15],[18],[21]	6.25%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (70)
Ending balance		$ (54)	[15],[18],[21]	$ (70)	[11],[12],[13]
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Spread		6.25%	[15],[18],[21]	6.25%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (57)
Ending balance		$ (47)	[15],[18],[21]	$ (57)	[11],[12],[13]
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.87%	[15],[18]	11.65%	[11],[13]
Spread		6.25%	[15],[18]	6.25%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 14,258
Ending balance		13,539	[15],[18]	$ 14,258	[11],[13]
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	240
Ending balance		$ 27	[15]	$ 240	[11]
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.69%	[15],[18],[26]	13.53%	[11],[13],[52]
Spread		10.00%	[15],[18],[26]	8.00%	[11],[13],[52]
PIK Rate	[15],[18],[26]	2.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[52]	$ 776
Ending balance		$ 725	[15],[18],[26]	$ 776	[11],[13],[52]
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.58%	[15],[18]	13.55%	[11],[13]
Spread		10.00%	[15],[18]	8.00%	[11],[13]
PIK Rate	[15],[18]	2.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 7,177
Ending balance		$ 6,636	[15],[18]	$ 7,177	[11],[13]
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		14.58%	[15],[18]	13.55%	[11],[13]
Spread		10.00%	[15],[18]	8.00%	[11],[13]
PIK Rate	[15],[18]	2.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 2,887
Ending balance		2,669	[15],[18]	$ 2,887	[11],[13]
Investment, Identifier [Axis]: Integral Energy Services, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		390		(1,120)
Amount of Interest, Fees or Dividends Credited to Income		43		43
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		160	[11]	1,280
Gross Additions		390		0
Gross Reductions		0		1,120
Ending balance		$ 550	[15]	$ 160	[11]	1,280
Investment, Identifier [Axis]: Integral Energy Services, Preferred Equity
Schedule of Investments [Line Items]
Total Rate		10.00%	[15],[16]	10.00%	[11]
PIK Rate		10.00%	[15],[16]	10.00%	[11]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		125		73
Amount of Interest, Fees or Dividends Credited to Income		27		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		300	[11]	0
Gross Additions		152		300
Gross Reductions		0		0
Ending balance		$ 452	[15],[16]	$ 300	[11]	0
Investment, Identifier [Axis]: Integral Energy Services, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.35%	[15],[18]	13.16%	[11],[13]
Spread		7.50%	[15],[18]	7.50%	[11],[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		332		(674)
Amount of Interest, Fees or Dividends Credited to Income		1,831		2,374
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		13,891	[11],[13]	15,769
Gross Additions		408		80
Gross Reductions		1,571		1,958
Ending balance		12,728	[15],[18]	13,891	[11],[13]	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	[11]	0
Ending balance		$ 0	[15]	$ 0	[11]
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.54%	[15],[17],[26]	15.48%	[11],[25],[53]
Spread		10.00%	[15],[17],[26]	10.00%	[11],[25],[53]
PIK Rate	[15],[17],[26]	14.54%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[25],[53]	$ 1,781
Ending balance		$ 1,580	[15],[17],[26]	$ 1,781	[11],[25],[53]
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.67%	[15],[17],[18],[19]	12.46%	[11],[13],[20],[25]
Spread		7.00%	[15],[17],[18],[19]	7.00%	[11],[13],[20],[25]
PIK Rate		11.67%	[15],[17],[18],[19]	12.46%	[11],[13],[20],[25]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[20],[25]	$ 431
Ending balance		13	[15],[17],[18],[19]	$ 431	[11],[13],[20],[25]
Investment, Identifier [Axis]: Intermedia Holdings, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[13]			11.47%
Spread	[7],[13]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	$ 19,570
Ending balance	[7],[13]			$ 19,570
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.01%	[15],[18],[26]	12.00%	[11],[13]
Spread		7.50%	[15],[18],[26]	6.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 509
Ending balance		$ 995	[15],[18],[26]	$ 509	[11],[13]
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.01%	[15],[18]	12.00%	[11],[13]
Spread		7.50%	[15],[18]	6.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 16,515
Ending balance		16,098	[15],[18]	$ 16,515	[11],[13]
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)		170		(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		2,680		1,798
Gross Additions		170		958
Gross Reductions		0		76
Ending balance		$ 2,850		2,680		1,798
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Preferred Equity
Schedule of Investments [Line Items]
Total Rate		25.00%
PIK Rate		25.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		49
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		760
Gross Reductions		0
Ending balance		$ 760		$ 0
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.00%		13.50%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		616		622
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,487		4,500
Gross Additions		6		7
Gross Reductions		0		20
Ending balance		$ 4,493		$ 4,487		4,500
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%		13.50%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		402		547
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,922		3,130
Gross Additions		5		6
Gross Reductions		0		214
Ending balance		$ 2,927		$ 2,922		3,130
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.00%		13.50%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		1,209		1,217
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		8,944		8,944
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 8,944		$ 8,944		8,944
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		13.00%		13.50%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		2,555		2,706
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		19,503		19,559
Gross Additions		39		32
Gross Reductions		2,000		88
Ending balance		$ 17,542		$ 19,503		19,559
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 5
Schedule of Investments [Line Items]
Total Rate		13.00%		13.50%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		1,464		1,806
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		10,273		0
Gross Additions		86		10,911
Gross Reductions		721		638
Ending balance		9,638		10,273		0
Investment, Identifier [Axis]: Isagenix International, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]	0
Ending balance		$ 0	[8]	$ 0	[7]
Investment, Identifier [Axis]: Isagenix International, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.25%	[8],[18]	11.04%	[7],[13]
Spread		6.60%	[8],[18]	5.50%	[7],[13]
PIK Rate		8.75%	[8],[18]	8.54%	[7],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	$ 2,301
Ending balance		$ 663	[8],[18]	$ 2,301	[7],[13]
Investment, Identifier [Axis]: Island Pump and Tank, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[15],[18],[21]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[21]	$ (5)
Investment, Identifier [Axis]: Island Pump and Tank, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.35%
Spread	[15],[18]	5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 1,722
Investment, Identifier [Axis]: Island Pump and Tank, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.35%
Spread	[15],[18]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 1,722
Investment, Identifier [Axis]: Island Pump and Tank, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[15],[18]	12.35%
Spread	[15],[18]	7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 1,722
Investment, Identifier [Axis]: JDC Power Services, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[15],[18],[21]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[21]	$ (162)
Investment, Identifier [Axis]: JDC Power Services, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.83%
Spread	[15],[18]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 60,336
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	1,710
Ending balance	[11]			$ 1,710
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15]	$ 300
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.72%	[15],[18],[26]	11.64%	[11],[13],[54]
Spread		8.00%	[15],[18],[26]	6.00%	[11],[13],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[54]	$ 3,137
Ending balance		$ 7,977	[15],[18],[26]	$ 3,137	[11],[13],[54]
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.58%	[15],[18]	11.61%	[11],[13]
Spread		8.00%	[15],[18]	6.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 36,000
Ending balance		$ 33,879	[15],[18]	$ 36,000	[11],[13]
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18]	12.58%
Spread	[15],[18]	8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 3,176
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	1,090
Ending balance		$ 870	[15]	$ 1,090	[11]
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.18%	[15],[18],[49]	12.46%	[11],[13],[55]
Spread		7.50%	[15],[18],[49]	7.00%	[11],[13],[55]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[55]	$ 835
Ending balance		$ 792	[15],[18],[49]	$ 835	[11],[13],[55]
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.19%	[15],[18],[49]	12.46%	[11],[13]
Spread		7.50%	[15],[18],[49]	7.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 1,974
Ending balance		$ 627	[15],[18],[49]	$ 1,974	[11],[13]
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18]	12.18%
Spread	[15],[18]	7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 60
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[15],[18]	12.18%
Spread	[15],[18]	7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 1,843
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)		(600)		(2,550)
Amount of Interest, Fees or Dividends Credited to Income		1,156		1,362
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		12,420	[14]	14,970
Gross Additions		0		0
Gross Reductions		600		2,550
Ending balance		$ 11,820	[16]	$ 12,420	[14]	14,970
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.75%	[18],[21]	6.75%	[12],[25]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		3		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12],[25]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0	[18],[21]	$ 0	[12],[25]	0
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.50%	[18]	15.25%	[13],[25]
Spread		6.75%	[18]	6.75%	[13],[25]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		(6)
Amount of Interest, Fees or Dividends Credited to Income		281		356
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,998	[13],[25]	2,450
Gross Additions		0		6
Gross Reductions		500		458
Ending balance		1,498	[18]	1,998	[13],[25]	2,450
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	[7]			$ 0
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Common Stock 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8]	0
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Common Stock 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8]	$ 140
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		21.59%	[8],[17],[18],[19]	23.63%	[7],[13],[20]
Spread		16.00%	[8],[17],[18],[19]	18.00%	[7],[13],[20]
PIK Rate		21.59%	[8],[17],[18],[19]	23.63%	[7],[13],[20]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13],[20]	$ 2,074
Ending balance		$ 0	[8],[17],[18],[19]	$ 2,074	[7],[13],[20]
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		21.59%	[8],[17],[18],[19]	21.63%	[7],[13],[20]
Spread		16.00%	[8],[17],[18],[19]	16.00%	[7],[13],[20]
PIK Rate		21.59%	[8],[17],[18],[19]	21.63%	[7],[13],[20]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13],[20]	$ 143
Ending balance		$ 0	[8],[17],[18],[19]	$ 143	[7],[13],[20]
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.21%	[8],[18]	21.63%	[7],[13],[20]
Spread		8.75%	[8],[18]	16.00%	[7],[13],[20]
PIK Rate		6.00%	[8],[18]	21.63%	[7],[13],[20]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13],[20]	$ 137
Ending balance		$ 1,770	[8],[18]	$ 137	[7],[13],[20]
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[8],[18]	13.18%
Spread	[8],[18]	8.75%
PIK Rate	[8],[18]	13.18%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8],[18]	$ 1,314
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)		4,930		3,595
Amount of Interest, Fees or Dividends Credited to Income		934		189
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		9,620		5,540
Gross Additions		4,930		4,080
Gross Reductions		0		0
Ending balance		14,550		$ 9,620		5,540
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				15.00%
Amount of Realized Gain/(Loss)		0		$ 0
Amount of Unrealized Gain/(Loss)		(6)		3
Amount of Interest, Fees or Dividends Credited to Income		24		24
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12]	0
Gross Additions		6		0
Gross Reductions		6		0
Ending balance		$ 0		$ 0	[12]	0
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.00%		15.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(52)		63
Amount of Interest, Fees or Dividends Credited to Income		3,501		1,888
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		24,207		9,999
Gross Additions		52		14,850
Gross Reductions		2,752		642
Ending balance		21,507		24,207		9,999
Investment, Identifier [Axis]: JorVet Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		2,187		0
Amount of Interest, Fees or Dividends Credited to Income		1,351		825
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		10,741	[14]	10,741
Gross Additions		2,439		0
Gross Reductions		0		0
Ending balance		$ 13,180	[16]	$ 10,741	[14]	10,741
Investment, Identifier [Axis]: JorVet Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		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		3,122		3,172
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		25,483		25,432
Gross Additions		62		51
Gross Reductions		2,329		0
Ending balance		23,216		25,483		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)		2,410		7,200
Amount of Interest, Fees or Dividends Credited to Income		2,756		9,614
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		22,770	[14]	15,570
Gross Additions		2,410		7,200
Gross Reductions		0		0
Ending balance		$ 25,180		$ 22,770	[14]	15,570
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		$ 0
Amount of Unrealized Gain/(Loss)		(15)		38
Amount of Interest, Fees or Dividends Credited to Income		407		562
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,700		0
Gross Additions		15		6,000
Gross Reductions		1,015		1,300
Ending balance		$ 3,700		$ 4,700		0
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.50%	[15],[18],[19]	14.75%	[11],[13]
Spread		9.75%	[15],[18],[19]	9.25%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 943
Ending balance		$ 662	[15],[18],[19]	$ 943	[11],[13]
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.23%	[15],[18]	14.75%	[11],[13]
Spread		9.75%	[15],[18]	9.25%	[11],[13]
PIK Rate	[15],[18]	14.23%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 6,782
Ending balance		$ 450	[15],[18]	$ 6,782	[11],[13]
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18]	14.23%
Spread	[15],[18]	9.75%
PIK Rate	[15],[18]	14.23%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 440
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[15],[18],[19]	14.50%
Spread	[15],[18],[19]	9.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[19]	$ 4,779
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(20)		(120)
Amount of Interest, Fees or Dividends Credited to Income		124		115
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,730	[27]	2,850
Gross Additions		0		0
Gross Reductions		20		120
Ending balance		2,710	[16],[28]	2,730	[27]	2,850
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		2,550		2,470
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		9,690		7,220
Gross Additions		2,550		2,470
Gross Reductions		0		0
Ending balance		$ 12,240		$ 9,690		7,220
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.50%		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		2,150		2,642
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		19,774		20,374
Gross Additions		13		201
Gross Reductions		4,800		801
Ending balance		$ 14,987		$ 19,774		20,374
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		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		354		349
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,805		3,842
Gross Additions		165		2
Gross Reductions		44		39
Ending balance		3,926		3,805		3,842
Investment, Identifier [Axis]: LKCM Headwater Investments I, L.P., LP Interests
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[31],[34],[35]	2,988
Ending balance		$ 2,926	[23],[36],[37]	$ 2,988	[31],[34],[35]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.89%	[15],[18]	12.71%	[11],[13]
Spread		7.25%	[15],[18]	7.25%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 7,960
Ending balance		$ 1,156	[15],[18]	$ 7,960	[11],[13]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.92%	[15],[18]	12.71%	[11],[13]
Spread		7.25%	[15],[18]	7.25%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 5,246
Ending balance		$ 8,575	[15],[18]	$ 5,246	[11],[13]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.71%	[15],[18]	12.71%	[11],[13]
Spread		7.25%	[15],[18]	7.25%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 2,803
Ending balance		$ 5,485	[15],[18]	$ 2,803	[11],[13]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		11.71%	[15],[18]	12.71%	[11],[13]
Spread		7.25%	[15],[18]	7.25%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 1,056
Ending balance		$ 2,878	[15],[18]	$ 1,056	[11],[13]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 5
Schedule of Investments [Line Items]
Total Rate		11.92%	[15],[18]	12.71%	[11],[13]
Spread		7.25%	[15],[18]	7.25%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 10,694
Ending balance		$ 1,118	[15],[18]	$ 10,694	[11],[13]
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 6
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.71%
Spread	[15],[18]	7.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 11,326
Investment, Identifier [Axis]: LLFlex, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.74%	[15],[18]	15.54%	[11],[13]
Spread		8.00%	[15],[18]	9.00%	[11],[13]
PIK Rate		3.00%	[15],[18]	1.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 3,979
Ending balance		$ 3,316	[15],[18]	$ 3,979	[11],[13]
Investment, Identifier [Axis]: Lightbox Holdings, L.P., Secured Debt
Schedule of Investments [Line Items]
Total Rate		9.44%	[8]	10.62%	[7]
Spread		5.00%	[8]	5.00%	[7]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]	$ 13,895
Ending balance		$ 15,059	[8]	$ 13,895	[7]
Investment, Identifier [Axis]: Logix Acquisition Company, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.25%	[15],[17],[18]	13.25%	[11],[13]
Spread		4.25%	[15],[17],[18]	4.75%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 18,778
Ending balance		19,739	[15],[17],[18]	$ 18,778	[11],[13]
Investment, Identifier [Axis]: Looking Glass Investments, LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[31],[35]	25
Ending balance		25	[23],[37]	$ 25	[31],[35]
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[7],[13]			11.46%
Spread	[7],[13]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	2,803
Ending balance	[7],[13]			$ 2,803
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[7],[13]			11.46%
Spread	[7],[13]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	3,925
Ending balance	[7],[13]			$ 3,925
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[7],[13]			11.46%
Spread	[7],[13]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	3,464
Ending balance	[7],[13]			$ 3,464
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[7],[13]			11.46%
Spread	[7],[13]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	7,796
Ending balance	[7],[13]			$ 7,796
Investment, Identifier [Axis]: MH Corbin Holding LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		(4,368)		0
Amount of Unrealized Gain/(Loss)		4,070		330
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		330		0
Gross Additions		4,070		330
Gross Reductions		4,400		0
Ending balance		0		330		0
Investment, Identifier [Axis]: MH Corbin Holding LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		(6,000)		0
Amount of Unrealized Gain/(Loss)		6,000		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		6,000		0
Gross Reductions		6,000		0
Ending balance		0		$ 0		0
Investment, Identifier [Axis]: MH Corbin Holding LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[25]			13.00%
Amount of Realized Gain/(Loss)		(3,840)		$ 0
Amount of Unrealized Gain/(Loss)		379		1,229
Amount of Interest, Fees or Dividends Credited to Income		557		761
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,022	[25]	4,548
Gross Additions		379		1,229
Gross Reductions		5,401		755
Ending balance		0		5,022	[25]	4,548
Investment, Identifier [Axis]: MS Private Loan Fund I, LP, LP Interests
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(493)		(306)
Amount of Interest, Fees or Dividends Credited to Income		1,959		1,746
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		14,527	[14],[31],[34],[35]	14,833
Gross Additions		0		0
Gross Reductions		493		306
Ending balance		14,034		$ 14,527	[14],[31],[34],[35]	14,833
Investment, Identifier [Axis]: MS Private Loan Fund I, LP, LP Interests
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[16],[23],[36],[37]	$ 14,034
Investment, Identifier [Axis]: MS Private Loan Fund I, LP, Secured Debt
Schedule of Investments [Line Items]
Total Rate		5.00%		5.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		53		25
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12],[31],[35]	0
Gross Additions		18,100		0
Gross Reductions		16,500		0
Ending balance		$ 1,600		0	[12],[31],[35]	0
Investment, Identifier [Axis]: MS Private Loan Fund I, LP, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[23],[37]	5.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[23],[37]	$ 1,600
Investment, Identifier [Axis]: MS Private Loan Fund II, LP, LP Interests
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		394		0
Amount of Interest, Fees or Dividends Credited to Income		363		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,561	[31],[34],[35]	0
Gross Additions		6,282		1,561
Gross Reductions		0		0
Ending balance		7,843		$ 1,561	[31],[34],[35]	0
Investment, Identifier [Axis]: MS Private Loan Fund II, LP, LP Interests
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[16],[23],[36],[37]	$ 7,843
Investment, Identifier [Axis]: MS Private Loan Fund II, LP, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[13],[31],[35]			8.88%
Spread		3.50%		3.50%	[13],[31],[35]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		2,964		515
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		23,367	[13],[31],[35]	0
Gross Additions		42,074		23,367
Gross Reductions		65,500		0
Ending balance		$ (59)		23,367	[13],[31],[35]	0
Investment, Identifier [Axis]: MS Private Loan Fund II, LP, Secured Debt
Schedule of Investments [Line Items]
Spread	[18],[21],[23],[37]	3.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[18],[21],[23],[37]	$ (59)
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)		71,937		51,133
Amount of Interest, Fees or Dividends Credited to Income		11,260		11,310
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		174,063	[14],[56]	122,930
Gross Additions		71,937		51,133
Gross Reductions		0		0
Ending balance		246,000	[16],[57]	174,063	[14],[56]	122,930
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)		(215)		22
Amount of Interest, Fees or Dividends Credited to Income		1,649		236
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		10,025	[14],[31],[35]	753
Gross Additions		7,000		9,272
Gross Reductions		215		0
Ending balance		$ 16,810	[16],[23],[37]	$ 10,025	[14],[31],[35]	753
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.50%	[15],[18],[21]	6.75%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ 0
Ending balance		$ 0	[15],[18],[21]	$ 0	[11],[12],[13]
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%	[15],[18]	12.28%	[11],[13]
Spread		7.50%	[15],[18]	6.75%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 15,049
Ending balance		18,973	[15],[18]	$ 15,049	[11],[13]
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		0
Gross Additions				16,642
Gross Reductions				16,642
Ending balance				$ 0		0
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread				11.00%
Amount of Realized Gain/(Loss)				$ (6,662)
Amount of Unrealized Gain/(Loss)				163
Amount of Interest, Fees or Dividends Credited to Income				453
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		6,090
Gross Additions				804
Gross Reductions				6,894
Ending balance				$ 0		6,090
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread				11.00%
Amount of Realized Gain/(Loss)				$ (25,952)
Amount of Unrealized Gain/(Loss)				24,342
Amount of Interest, Fees or Dividends Credited to Income				0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		1,610
Gross Additions				24,342
Gross Reductions				25,952
Ending balance				0		1,610
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		5,350		(37)
Amount of Interest, Fees or Dividends Credited to Income		561		522
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,500		1,537
Gross Additions		5,350		0
Gross Reductions		0		37
Ending balance		6,850		$ 1,500		1,537
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 6,850
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Total Rate		8.00%	[16]	8.00%	[14]
PIK Rate		8.00%	[16]	8.00%	[14]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		481		0
Amount of Interest, Fees or Dividends Credited to Income		0		505
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		6,035	[14]	6,010
Gross Additions		481		473
Gross Reductions		119		448
Ending balance		6,397	[16]	$ 6,035	[14]	6,010
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				12.75%
Amount of Realized Gain/(Loss)		0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		15		11
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12]	0
Gross Additions		0		0
Gross Reductions		11		0
Ending balance		$ (11)	[21]	$ 0	[12]	0
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.75%		12.75%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		2,594		3,092
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		23,623		23,576
Gross Additions		63		47
Gross Reductions		2,842		0
Ending balance		$ 20,844		$ 23,623		23,576
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.75%	[15],[18],[21]	6.25%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (51)
Ending balance		$ (39)	[15],[18],[21]	$ (51)	[11],[12],[13]
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.22%	[15],[18]	11.46%	[11],[13]
Spread		5.75%	[15],[18]	6.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 22,168
Ending balance		$ 11,135	[15],[18]	$ 22,168	[11],[13]
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.21%
Spread	[15],[18]	5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 19,828
Investment, Identifier [Axis]: Mills Fleet Farm Group, 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		13,840
Gross Reductions		0
Ending balance		$ 13,840	[28]	$ 0
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[11],[13]			12.52%
Spread		5.50%	[18],[21]	7.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 17,524
Ending balance		$ 0	[18],[21]	$ 17,524	[11],[13]
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.50%
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		0
Gross Additions		0
Gross Reductions		0
Ending balance		$ 0		0
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread		7.00%
Amount of Realized Gain/(Loss)		$ (6,169)
Amount of Unrealized Gain/(Loss)		359
Amount of Interest, Fees or Dividends Credited to Income		2,160
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		17,524
Gross Additions		0
Gross Reductions		17,524
Ending balance		0		17,524
Investment, Identifier [Axis]: Mini Melts of America, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	460
Ending balance		$ 430	[15]	$ 460	[11]
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[18],[26]	10.74%
Spread		6.25%	[15],[18],[26]	6.25%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (42)
Ending balance		$ 575	[15],[18],[26]	$ (42)	[11],[12],[13]
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18],[49]	10.77%
Spread		6.25%	[15],[18],[49]	6.25%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (16)
Ending balance		$ 1,315	[15],[18],[49]	$ (16)	[11],[12],[13]
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		9.76%	[15],[18]	10.64%	[11],[13]
Spread		5.25%	[15],[18]	5.25%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 4,825
Ending balance		$ 4,904	[15],[18]	$ 4,825	[11],[13]
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		11.76%	[15],[18]	12.64%	[11],[13]
Spread		7.25%	[15],[18]	7.25%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 4,820
Ending balance		$ 4,904	[15],[18]	$ 4,820	[11],[13]
Investment, Identifier [Axis]: MoneyThumb Acquisition, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		12.00%
PIK Rate		12.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		74
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		1,707
Gross Reductions		0
Ending balance		$ 1,707		0
Investment, Identifier [Axis]: MoneyThumb Acquisition, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Total Rate	[16]	12.00%
PIK Rate	[16]	12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[16]	$ 1,707
Investment, Identifier [Axis]: MoneyThumb Acquisition, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		753
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		8,967
Gross Reductions		0
Ending balance		$ 8,967		0
Investment, Identifier [Axis]: MoneyThumb Acquisition, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 8,967
Investment, Identifier [Axis]: MoneyThumb Acquisition, 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		594
Gross Reductions		0
Ending balance		594	[10]	0
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[31],[32]	678
Ending balance		$ 796	[15],[23],[33]	$ 678	[11],[31],[32]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.59%	[15],[18],[23],[33]	14.00%	[11],[31],[32]
Spread	[15],[18],[23],[33]	7.00%
PIK Rate	[11],[31],[32]			4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[31],[32]	$ 3,938
Ending balance		$ 3,907	[15],[18],[23],[33]	$ 3,938	[11],[31],[32]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.59%	[15],[18],[23],[33]	14.00%	[11],[31],[32]
Spread	[15],[18],[23],[33]	7.00%
PIK Rate	[11],[31],[32]			4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[31],[32]	$ 11,164
Ending balance		$ 11,079	[15],[18],[23],[33]	$ 11,164	[11],[31],[32]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.59%	[15],[18],[23],[33]	14.00%	[11],[31],[32]
Spread	[15],[18],[23],[33]	7.00%
PIK Rate	[11],[31],[32]			4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[31],[32]	$ 17,213
Ending balance		$ 18,103	[15],[18],[23],[33]	$ 17,213	[11],[31],[32]
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Unsecured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[23],[33]	8.00%
PIK Rate	[15],[23],[33]	8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[23],[33]	$ 114
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Unsecured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[23],[33]	8.00%
PIK Rate	[15],[23],[33]	8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[23],[33]	$ 54
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Unsecured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[23],[33]	8.00%
PIK Rate	[15],[23],[33]	8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[23],[33]	$ 107
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)		(20)		3,560
Amount of Interest, Fees or Dividends Credited to Income		3,800		4,523
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		26,390	[14]	22,830
Gross Additions		0		3,560
Gross Reductions		20		0
Ending balance		26,370	[16]	26,390	[14]	22,830
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt 1
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		4		4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0	[21]	$ 0	[12]	0
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		15		0
Amount of Interest, Fees or Dividends Credited to Income		589		583
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,746		5,746
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		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)		(2,680)		(100)
Amount of Interest, Fees or Dividends Credited to Income		126		(40)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		11,730		11,830
Gross Additions		0		0
Gross Reductions		2,680		100
Ending balance		9,050		11,730		11,830
Investment, Identifier [Axis]: NBG Acquisition Inc, Secured Debt
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[20]	115
Ending balance	[7],[20]			115
Investment, Identifier [Axis]: NRP Jones, LLC, Member Units 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		53
Ending balance		94		53
Investment, Identifier [Axis]: NRP Jones, LLC, Member Units 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		1,009		(3,148)
Amount of Interest, Fees or Dividends Credited to Income		0		23
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,466		4,615
Gross Additions		1,230		0
Gross Reductions		0		3,149
Ending balance		2,696		1,466		4,615
Investment, Identifier [Axis]: NRP Jones, LLC, Member Units 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	1,466
Ending balance		2,696		1,466	[14]
Investment, Identifier [Axis]: NRP Jones, LLC, Member Units 2.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		41		(122)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		53		175
Gross Additions		41		0
Gross Reductions		0		122
Ending balance		$ 94		$ 53		175
Investment, Identifier [Axis]: NRP Jones, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		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		259		253
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,080		2,080
Gross Additions		98		0
Gross Reductions		0		0
Ending balance		2,178		2,080		2,080
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)		17,020		7,320
Amount of Interest, Fees or Dividends Credited to Income		1,158		591
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		15,020	[14]	7,700
Gross Additions		17,020		7,320
Gross Reductions		0		0
Ending balance		$ 32,040	[16]	$ 15,020	[14]	7,700
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.00%	[18],[21]	7.00%	[12],[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		7		0
Amount of Interest, Fees or Dividends Credited to Income		100		10
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12],[13]	0
Gross Additions		1,250		0
Gross Reductions		1,250		0
Ending balance		$ 0	[18],[21]	$ 0	[12],[13]	0
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%		12.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(1)
Amount of Interest, Fees or Dividends Credited to Income				2,910
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 25,794		20,094
Gross Additions				5,701
Gross Reductions				1
Ending balance		4,650		25,794		20,094
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(121)
Amount of Interest, Fees or Dividends Credited to Income		1,205
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		25,794
Gross Additions		0
Gross Reductions		25,794
Ending balance		$ 0		$ 25,794
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.50%		12.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(22)
Amount of Interest, Fees or Dividends Credited to Income				1,299
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 10,500		10,500
Gross Additions				22
Gross Reductions				22
Ending balance		62,200		10,500		10,500
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 3.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(44)
Amount of Interest, Fees or Dividends Credited to Income		454
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		10,500
Gross Additions		0
Gross Reductions		10,500
Ending balance		$ 0		10,500
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.50%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		115
Amount of Interest, Fees or Dividends Credited to Income		5,459
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		62,200
Gross Reductions		0
Ending balance		$ 62,200		0
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 5
Schedule of Investments [Line Items]
Total Rate		12.50%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		171
Amount of Interest, Fees or Dividends Credited to Income		257
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		4,650
Gross Reductions		0
Ending balance		4,650		0
Investment, Identifier [Axis]: Nello Industries Investco, LLC, Common Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		3,440
Amount of Interest, Fees or Dividends Credited to Income		937
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		15,560
Gross Reductions		0
Ending balance		$ 15,560	[16]	0
Investment, Identifier [Axis]: Nello Industries Investco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[18],[21]	6.50%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		1,023
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		21,584
Gross Reductions		21,600
Ending balance		$ (16)	[18],[21]	0
Investment, Identifier [Axis]: Nello Industries Investco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.50%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		2,636
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		26,959
Gross Reductions		0
Ending balance		26,959		0
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)		5,560		5,240
Amount of Interest, Fees or Dividends Credited to Income		972		665
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		6,350	[14]	1,110
Gross Additions		5,560		5,240
Gross Reductions		0		0
Ending balance		11,910	[16]	$ 6,350	[14]	1,110
Investment, Identifier [Axis]: NexRev LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				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		118		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12]	0
Gross Additions		3,378		0
Gross Reductions		3,378		0
Ending balance		$ 0	[21]	$ 0	[12]	0
Investment, Identifier [Axis]: NexRev LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.00%		10.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		9		2,859
Amount of Interest, Fees or Dividends Credited to Income		1,032		1,143
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		9,751		8,477
Gross Additions		60		2,928
Gross Reductions		0		1,654
Ending balance		$ 9,811		$ 9,751		8,477
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.50%	[15],[18],[21]	7.00%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (8)
Ending balance		$ (6)	[15],[18],[21]	$ (8)	[11],[12],[13]
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.24%
Spread		6.50%	[15],[18]	7.00%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ 0
Ending balance		28,243	[15],[18]	$ 0	[11],[12],[13]
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]			12.54%
Spread	[11],[13]			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	20,467
Ending balance	[11],[13]			$ 20,467
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[11],[13]			12.52%
Spread	[11],[13]			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	7,222
Ending balance	[11],[13]			$ 7,222
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,150
Ending balance		6,000		5,150
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		644		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		9,240		8,040
Gross Additions		2,310		1,200
Gross Reductions		0		0
Ending balance		11,550		9,240		8,040
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		9,240
Ending balance		11,550		9,240
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 2.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		127		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		5,150		5,150
Gross Additions		850		0
Gross Reductions		0		0
Ending balance		$ 6,000		$ 5,150		5,150
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.16%	[18]	11.98%	[13]
Spread		6.50%	[18]	6.50%	[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		437		474
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,600	[13]	4,399
Gross Additions		0		0
Gross Reductions		0		799
Ending balance		$ 3,600	[18]	$ 3,600	[13]	4,399
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		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		2,262		2,256
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		18,426		18,414
Gross Additions		13		12
Gross Reductions		0		0
Ending balance		18,439		18,426		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)		36,340		13,570
Amount of Interest, Fees or Dividends Credited to Income		8,775		2,700
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		36,380	[14]	22,810
Gross Additions		36,340		13,570
Gross Reductions		0		0
Ending balance		$ 72,720	[16]	$ 36,380	[14]	22,810
Investment, Identifier [Axis]: OMi Topco, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(38)		(48)
Amount of Interest, Fees or Dividends Credited to Income		1,429		1,824
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		12,750		15,750
Gross Additions		38		48
Gross Reductions		3,788		3,048
Ending balance		9,000		$ 12,750		15,750
Investment, Identifier [Axis]: Obra Capital, Inc. (f/k/a Vida Capital, Inc.), Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7]			11.47%
Spread	[7]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]	$ 14,897
Ending balance	[7]			$ 14,897
Investment, Identifier [Axis]: Obra Capital, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[15],[18],[21]	7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[21]	$ (4)
Investment, Identifier [Axis]: Obra Capital, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.97%
Spread	[15],[18]	7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 25,884
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., 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		0		0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0		$ 0		0
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Preferred Stock
Schedule of Investments [Line Items]
Total Rate		7.00%		7.00%
PIK Rate		7.00%		7.00%
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
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%	[19]	12.00%	[20]
PIK Rate		12.00%	[19]	12.00%	[20]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[20]	$ 1,493
Ending balance		$ 457	[19]	$ 1,493	[20]
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%
PIK Rate		12.00%		12.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(226)		(243)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		326		569
Gross Additions		0		0
Gross Reductions		227		243
Ending balance		$ 99		$ 326		569
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%	[19]	12.00%	[20]
PIK Rate		12.00%	[19]	12.00%	[20]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[20]	$ 716
Ending balance		$ 218	[19]	$ 716	[20]
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%
PIK Rate		12.00%		12.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(231)		(248)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		332		580
Gross Additions		0		0
Gross Reductions		231		248
Ending balance		$ 101		$ 332		580
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.00%	[19]	12.00%	[20]
PIK Rate		12.00%	[19]	12.00%	[20]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[20]	$ 332
Ending balance		$ 101	[19]	$ 332	[20]
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 3.1
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%
PIK Rate		12.00%		12.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(497)		(533)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		716		1,249
Gross Additions		0		0
Gross Reductions		498		533
Ending balance		$ 218		$ 716		1,249
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.00%	[19]	12.00%	[20]
PIK Rate		12.00%	[19]	12.00%	[20]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[20]	$ 326
Ending balance		$ 99	[19]	$ 326	[20]
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 4.1
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%
PIK Rate		12.00%		12.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(1,037)		(1,112)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,493		2,606
Gross Additions		0		0
Gross Reductions		1,036		1,113
Ending balance		$ 457		$ 1,493		2,606
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Unsecured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%	[19]	10.00%	[20]
PIK Rate		10.00%	[19]	10.00%	[20]
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		305	[20]	305
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		305	[19]	305	[20]	305
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Warrants
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	[9]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0	[10]	0	[9]	0
Investment, Identifier [Axis]: OnPoint Industrial Services, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.35%
Spread	[15],[18]	7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 1,386
Investment, Identifier [Axis]: OnPoint Industrial Services, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.33%
Spread	[15],[18]	7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 3,850
Investment, Identifier [Axis]: Oneliance, LLC, Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		1,452		0
Amount of Interest, Fees or Dividends Credited to Income		12		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,128		1,056
Gross Additions		1,452		72
Gross Reductions		0		0
Ending balance		$ 2,580	[16]	$ 1,128		1,056
Investment, Identifier [Axis]: Oneliance, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		10.00%		11.00%	[12],[13],[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		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12],[13],[25]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0		$ 0	[12],[13],[25]	0
Investment, Identifier [Axis]: Oneliance, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[13]			16.48%
Spread		10.00%		11.00%	[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		61		(61)
Amount of Interest, Fees or Dividends Credited to Income		539		914
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,350	[13]	5,559
Gross Additions		90		12
Gross Reductions		5,440		221
Ending balance		0		5,350	[13]	5,559
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)		(3,600)		5,300
Amount of Interest, Fees or Dividends Credited to Income		448		1,094
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		17,050	[14],[27]	11,750
Gross Additions		0		5,300
Gross Reductions		3,600		0
Ending balance		$ 13,450	[16],[28]	$ 17,050	[14],[27]	11,750
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		11.00%	[18],[21]	11.00%	[12],[13]
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	[12],[13]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0	[18],[21]	$ 0	[12],[13]	0
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.66%	[18]	16.48%	[13]
Spread		11.00%	[18]	11.00%	[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(45)		115
Amount of Interest, Fees or Dividends Credited to Income		3,684		3,765
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		22,040	[13]	23,429
Gross Additions		45		171
Gross Reductions		125		1,560
Ending balance		21,960	[18]	22,040	[13]	23,429
Investment, Identifier [Axis]: Ospemifene Royalty Sub LLC, Secured Debt
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[20]	57
Ending balance		12	[15],[19]	57	[11],[20]
Investment, Identifier [Axis]: PPL RVs, Inc., Common Stock 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		130		(1,970)
Amount of Interest, Fees or Dividends Credited to Income		0		(30)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		16,980		18,950
Gross Additions		130		0
Gross Reductions		0		1,970
Ending balance		17,110		16,980		18,950
Investment, Identifier [Axis]: PPL RVs, Inc., Common Stock 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		146		130
Amount of Interest, Fees or Dividends Credited to Income		24		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		368	[27]	238
Gross Additions		146		130
Gross Reductions		0		0
Ending balance		$ 514	[16],[28]	$ 368	[27]	238
Investment, Identifier [Axis]: PPL RVs, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		8.75%	[18],[21]	8.75%	[12],[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(2)		(2)
Amount of Interest, Fees or Dividends Credited to Income		2		2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12],[13]	0
Gross Additions		2		2
Gross Reductions		2		2
Ending balance		$ 0	[18],[21]	$ 0	[12],[13]	0
Investment, Identifier [Axis]: PPL RVs, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.73%	[18]	14.23%	[13]
Spread		8.75%	[18]	8.75%	[13]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(70)		(67)
Amount of Interest, Fees or Dividends Credited to Income		2,758		2,845
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		19,877	[13]	21,655
Gross Additions		71		67
Gross Reductions		3,492		1,845
Ending balance		$ 16,456	[18]	$ 19,877	[13]	21,655
Investment, Identifier [Axis]: PTL US Bidco, Inc, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.03%	[15],[18],[23],[33]	12.80%	[11],[13],[31],[32],[58]
Spread		8.25%	[15],[18],[23],[33]	7.25%	[11],[13],[31],[32],[58]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[31],[32],[58]	$ 2,998
Ending balance		$ 6,769	[15],[18],[23],[33]	$ 2,998	[11],[13],[31],[32],[58]
Investment, Identifier [Axis]: PTL US Bidco, Inc, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.03%	[15],[18],[23],[33]	12.88%	[11],[13],[31],[32]
Spread		8.25%	[15],[18],[23],[33]	7.25%	[11],[13],[31],[32]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[31],[32]	$ 26,263
Ending balance		17,631	[15],[18],[23],[33]	$ 26,263	[11],[13],[31],[32]
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	0
Ending balance	[11],[12],[13]			$ 0
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13],[59]			11.24%
Spread	[11],[13],[59]			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[59]	3,186
Ending balance	[11],[13],[59]			$ 3,186
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.25%
Spread	[11],[13]			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	18,490
Ending balance	[11],[13]			$ 18,490
Investment, Identifier [Axis]: Peaches Holding Corporation, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		4,540
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		53,693		0
Amount of Unrealized Gain/(Loss)		(31,090)		830
Amount of Interest, Fees or Dividends Credited to Income		8,988		12,110
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		44,090	[14]	43,260
Gross Additions		53,693		830
Gross Reductions		97,783		0
Ending balance		0		$ 44,090	[14]	43,260
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				12.00%
Amount of Realized Gain/(Loss)		0		$ 0
Amount of Unrealized Gain/(Loss)		(3)		3
Amount of Interest, Fees or Dividends Credited to Income		351		370
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,500		0
Gross Additions		1,503		3,500
Gross Reductions		5,003		0
Ending balance		0		$ 3,500		0
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				12.00%
Amount of Realized Gain/(Loss)		0		$ 0
Amount of Unrealized Gain/(Loss)		(44)		44
Amount of Interest, Fees or Dividends Credited to Income		4,290		1,552
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		20,000		0
Gross Additions		23,263		20,000
Gross Reductions		43,263		0
Ending balance		0		$ 20,000		0
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate				12.00%
Amount of Realized Gain/(Loss)		0		$ 0
Amount of Unrealized Gain/(Loss)		(80)		(65)
Amount of Interest, Fees or Dividends Credited to Income		3,374		3,450
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		27,681		28,681
Gross Additions		80		65
Gross Reductions		27,761		1,065
Ending balance		0		27,681		28,681
Investment, Identifier [Axis]: Pinnacle TopCo, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		5,820		0
Amount of Interest, Fees or Dividends Credited to Income		2,118		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		12,540		0
Gross Additions		5,820		12,540
Gross Reductions		0		0
Ending balance		18,360	[16]	$ 12,540		0
Investment, Identifier [Axis]: Pinnacle TopCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				8.00%
Amount of Realized Gain/(Loss)		0		$ 0
Amount of Unrealized Gain/(Loss)		13		0
Amount of Interest, Fees or Dividends Credited to Income		17		26
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		444		0
Gross Additions		16		444
Gross Reductions		460		0
Ending balance		$ 0	[21]	$ 444		0
Investment, Identifier [Axis]: Pinnacle TopCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		225		0
Amount of Interest, Fees or Dividends Credited to Income		4,020		586
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		30,339		0
Gross Additions		301		30,339
Gross Reductions		2,000		0
Ending balance		28,640		30,339		0
Investment, Identifier [Axis]: Power System Solutions, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	1,160
Ending balance		$ 3,800	[15]	$ 1,160	[11]
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.50%	[15],[18],[21]	6.75%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (82)
Ending balance		$ (63)	[15],[18],[21]	$ (82)	[11],[12],[13]
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.86%
Spread		6.50%	[15],[18]	6.75%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (82)
Ending balance		$ 6,124	[15],[18]	$ (82)	[11],[12],[13]
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.90%	[15],[18]	12.12%	[11],[13]
Spread		6.50%	[15],[18]	6.75%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 18,418
Ending balance		$ 18,233	[15],[18]	$ 18,418	[11],[13]
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.58%	[15],[18]	12.28%	[11],[13]
Spread		5.50%	[15],[18]	6.85%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 7,960
Ending balance		$ 7,880	[15],[18]	$ 7,960	[11],[13]
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.83%	[15],[18]	12.20%	[11],[13]
Spread		5.50%	[15],[18]	6.85%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 760
Ending balance		$ 752	[15],[18]	$ 760	[11],[13]
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18]	9.83%
Spread	[15],[18]	5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 756
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[15],[18]	9.58%
Spread	[15],[18]	5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 859
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		(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		510		590
Gross Additions		90		0
Gross Reductions		0		80
Ending balance		600		510		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)		1,850		(1,670)
Amount of Interest, Fees or Dividends Credited to Income		1,396		743
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		10,750	[14]	12,420
Gross Additions		1,850		0
Gross Reductions		0		1,670
Ending balance		$ 12,600	[16]	10,750	[14]	12,420
Investment, Identifier [Axis]: Principle Environmental, LLC, Secured Debt
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		811
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,829
Gross Additions		32
Gross Reductions		1,000
Ending balance		4,861		$ 5,829
Investment, Identifier [Axis]: Principle Environmental, 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				0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12]	0
Gross Additions				0
Gross Reductions				0
Ending balance				$ 0	[12]	0
Investment, Identifier [Axis]: Principle Environmental, LLC, Secured Debt 2
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				801
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,829		5,806
Gross Additions				23
Gross Reductions				0
Ending balance				5,829		5,806
Investment, Identifier [Axis]: Purge Rite, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15]	2,060
Investment, Identifier [Axis]: Purge Rite, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	3,281
Ending balance		3,248	[15]	$ 3,281	[11]
Investment, Identifier [Axis]: Purge Rite, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]			8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	(47)
Ending balance	[11],[12],[13]			$ (47)
Investment, Identifier [Axis]: Purge Rite, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]			13.70%
Spread	[11],[13]			8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	9,610
Ending balance	[11],[13]			$ 9,610
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)		0		(98)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		460		525
Gross Additions		0		33
Gross Reductions		0		98
Ending balance		460		460		525
Investment, Identifier [Axis]: Quality Lease Service, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		(2,504)		0
Amount of Unrealized Gain/(Loss)		2,500		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		2,500		0
Gross Reductions		2,500		0
Ending balance		0		$ 0		0
Investment, Identifier [Axis]: Quality Lease Service, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%
Amount of Realized Gain/(Loss)				$ (29,526)
Amount of Unrealized Gain/(Loss)				29,865
Amount of Interest, Fees or Dividends Credited to Income				0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		0
Gross Additions				29,865
Gross Reductions				29,865
Ending balance				0		0
Investment, Identifier [Axis]: RA Outdoors (Aspira) 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		0
Gross Reductions		0
Ending balance		$ 0		0
Investment, Identifier [Axis]: RA Outdoors (Aspira) LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.74%
Spread		6.75%
PIK Rate		11.74%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(45)
Amount of Interest, Fees or Dividends Credited to Income		66
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		771
Gross Additions		537
Gross Reductions		51
Ending balance		$ 1,257		771
Investment, Identifier [Axis]: RA Outdoors (Aspira) LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.74%
Spread		6.75%
PIK Rate		11.74%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(476)
Amount of Interest, Fees or Dividends Credited to Income		709
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		12,513
Gross Additions		880
Gross Reductions		238
Ending balance		13,155		$ 12,513
Investment, Identifier [Axis]: RA Outdoors LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[23]	$ 0
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.74%	[15],[18],[23]	12.22%	[11],[13],[51]
Spread		6.75%	[15],[18],[23]	6.75%	[11],[13],[51]
PIK Rate	[15],[18],[23]	11.74%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[51]	$ 772
Ending balance		$ 1,257	[15],[18],[23]	$ 772	[11],[13],[51]
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.74%	[15],[18],[23]	12.21%	[11],[13]
Spread		6.75%	[15],[18],[23]	6.75%	[11],[13]
PIK Rate	[15],[18],[23]	11.74%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 12,512
Ending balance		13,155	[15],[18],[23]	$ 12,512	[11],[13]
Investment, Identifier [Axis]: RTIC Subsidiary Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13]			13.21%
Spread	[11],[13]			7.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	534
Ending balance	[11],[13]			$ 534
Investment, Identifier [Axis]: RTIC Subsidiary Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]			13.19%
Spread	[11],[13]			7.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	13,951
Ending balance	[11],[13]			$ 13,951
Investment, Identifier [Axis]: RTIC Subsidiary Holdings, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]			13.19%
Spread	[11],[13]			7.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	559
Ending balance	[11],[13]			$ 559
Investment, Identifier [Axis]: Research Now Group, Inc. and Survey Sampling International, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[13]			11.14%
Spread	[7],[13]			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	$ 14,715
Ending balance	[7],[13]			$ 14,715
Investment, Identifier [Axis]: Richardson Sales Solutions, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.22%	[15],[18],[26]	18.47%	[11],[13],[60]
Spread		6.75%	[15],[18],[26]	6.50%	[11],[13],[60]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[60]	$ 3,109
Ending balance		$ 3,517	[15],[18],[26]	$ 3,109	[11],[13],[60]
Investment, Identifier [Axis]: Richardson Sales Solutions, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.38%	[15],[18]	11.88%	[11],[13]
Spread		6.75%	[15],[18]	6.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 39,376
Ending balance		$ 34,046	[15],[18]	$ 39,376	[11],[13]
Investment, Identifier [Axis]: Richardson Sales Solutions, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.43%
Spread	[15],[18]	6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 22,101
Investment, Identifier [Axis]: River Aggregates, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		(409)		0
Amount of Unrealized Gain/(Loss)		5,820		90
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,710		3,620
Gross Additions		5,820		90
Gross Reductions		0		0
Ending balance		9,530	[28]	3,710		3,620
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)		0		(14,880)
Amount of Interest, Fees or Dividends Credited to Income		6		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		14,880
Gross Additions		0		0
Gross Reductions		0		14,880
Ending balance		$ 0		$ 0		14,880
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				12.50%
PIK Rate	[19],[21]	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		8		32
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		(26)	[12]	(35)
Gross Additions		0		9
Gross Reductions		13		0
Ending balance		$ (39)	[19],[21]	$ (26)	[12]	(35)
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%	[19]	12.50%
PIK Rate	[19]	10.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(14,949)		(3,113)
Amount of Interest, Fees or Dividends Credited to Income		1,083		4,489
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		30,798		35,404
Gross Additions		0		81
Gross Reductions		16,236		4,687
Ending balance		14,562	[19]	30,798		35,404
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
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		8.00%	[15],[18],[21]	6.50%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ 0
Ending balance		$ 0	[15],[18],[21]	$ 0	[11],[12],[13]
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.85%	[15],[18]	12.16%	[11],[13]
Spread		7.00%	[15],[18]	6.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 3,314
Ending balance		$ 3,071	[15],[18]	$ 3,314	[11],[13]
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.85%	[15],[18]	14.16%	[11],[13]
Spread		9.00%	[15],[18]	8.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 3,266
Ending balance		$ 3,052	[15],[18]	$ 3,266	[11],[13]
Investment, Identifier [Axis]: Rug Doctor, LLC., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.52%	[15],[18]	13.54%	[11],[13]
Spread		8.00%	[15],[18]	6.00%	[11],[13]
PIK Rate		2.00%	[15],[18]	2.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 5,744
Ending balance		$ 5,888	[15],[18]	$ 5,744	[11],[13]
Investment, Identifier [Axis]: Rug Doctor, LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.52%	[15],[18]	13.54%	[11],[13]
Spread		8.00%	[15],[18]	6.00%	[11],[13]
PIK Rate		2.00%	[15],[18]	2.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 8,086
Ending balance		7,449	[15],[18]	$ 8,086	[11],[13]
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)		(5,510)		5,213
Amount of Interest, Fees or Dividends Credited to Income		1,623		1,196
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		19,170	[14]	13,650
Gross Additions		0		5,520
Gross Reductions		5,510		0
Ending balance		$ 13,660	[16]	$ 19,170	[14]	13,650
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.75%		11.25%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(4)		17
Amount of Interest, Fees or Dividends Credited to Income		269		83
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,125		0
Gross Additions		2,254		1,875
Gross Reductions		1,129		750
Ending balance		$ 2,250		$ 1,125		0
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.79%	[61]	12.47%	[62]
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				241
Amount of Interest, Fees or Dividends Credited to Income				4,075
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 54,536	[62]	0
Gross Additions				54,536
Gross Reductions				0
Ending balance		67,661	[61]	54,536	[62]	0
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		(241)
Amount of Interest, Fees or Dividends Credited to Income		2,600
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		54,536
Gross Additions		0
Gross Reductions		54,536
Ending balance		$ 0		$ 54,536
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.79%		9.50%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		50		(79)
Amount of Interest, Fees or Dividends Credited to Income		5,856		3,885
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		89,786
Gross Additions		67,661		0
Gross Reductions		0		89,786
Ending balance		67,661		0		89,786
Investment, Identifier [Axis]: SPAU Holdings, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	500
Ending balance		$ 610	[15]	$ 500	[11]
Investment, Identifier [Axis]: SPAU Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.50%	[15],[18],[21]	8.00%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ 0
Ending balance		$ 0	[15],[18],[21]	$ 0	[11],[12],[13]
Investment, Identifier [Axis]: SPAU Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.98%	[15],[18]	13.72%	[11],[13]
Spread		7.50%	[15],[18]	8.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 15,728
Ending balance		15,569	[15],[18]	$ 15,728	[11],[13]
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)		586		780
Amount of Interest, Fees or Dividends Credited to Income		234		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,310		1,530
Gross Additions		586		780
Gross Reductions		456		0
Ending balance		$ 2,440	[16]	$ 2,310		1,530
Investment, Identifier [Axis]: Slick Innovations, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.00%		14.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		45		(48)
Amount of Interest, Fees or Dividends Credited to Income		2,498		1,887
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		11,440		13,840
Gross Additions		7,600		48
Gross Reductions		2,720		2,448
Ending balance		16,320		11,440		13,840
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	836
Ending balance		$ 885	[15]	$ 836	[11]
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.46%
Spread		5.25%	[15],[18],[21]	6.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 394
Ending balance		$ 0	[15],[18],[21]	$ 394	[11],[13]
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.71%	[15],[18]	11.70%	[11],[13]
Spread		5.25%	[15],[18]	6.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 34,886
Ending balance		53,320	[15],[18]	$ 34,886	[11],[13]
Investment, Identifier [Axis]: Stellant Systems, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[7],[13]			11.04%
Spread	[7],[13]			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	7,527
Ending balance	[7],[13]			$ 7,527
Investment, Identifier [Axis]: Stellant Systems, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[7],[13]			11.28%
Spread	[7],[13]			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	8,977
Ending balance	[7],[13]			$ 8,977
Investment, Identifier [Axis]: Student Resource Center, LLC, Preferred Equity
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	[11]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		0	[15]	$ 0	[11]	0
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[11],[20]			8.50%
PIK Rate	[11],[20]			8.50%
Amount of Realized Gain/(Loss)				$ (2)
Amount of Unrealized Gain/(Loss)				(1,694)
Amount of Interest, Fees or Dividends Credited to Income				329
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 3,190	[11],[20]	4,556
Gross Additions				221
Gross Reductions				1,587
Ending balance				3,190	[11],[20]	4,556
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15]	8.50%
PIK Rate	[15]	8.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15]	$ 204
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		8.50%
PIK Rate		8.50%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		(1,546)
Amount of Interest, Fees or Dividends Credited to Income		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,190
Gross Additions		0
Gross Reductions		1,546
Ending balance		$ 1,644		3,190
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[19]	8.50%
PIK Rate	[15],[19]	8.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[19]	$ 1,644
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		8.50%
PIK Rate		8.50%
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		0
Gross Additions		204
Gross Reductions		0
Ending balance		204		0
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)		4,590		1,440
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,940		4,500
Gross Additions		4,590		1,440
Gross Reductions		0		0
Ending balance		10,530		$ 5,940		4,500
Investment, Identifier [Axis]: Superior Rigging & Erecting Co., Secured Debt
Schedule of Investments [Line Items]
Total Rate				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		1,193		2,564
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		20,427		21,378
Gross Additions		73		49
Gross Reductions		20,500		1,000
Ending balance		$ 0		$ 20,427		21,378
Investment, Identifier [Axis]: TEC Services, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[15],[18],[21]	5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[21]	$ (125)
Investment, Identifier [Axis]: TEC Services, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread	[15],[18],[21]	5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[21]	$ (94)
Investment, Identifier [Axis]: TEC Services, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.13%
Spread	[15],[18]	5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 41,709
Investment, Identifier [Axis]: Team Public Choices, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		9.65%	[8]	10.88%	[7],[13]
Spread		5.00%	[8]	5.00%	[7],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	$ 14,717
Ending balance		14,781	[8]	$ 14,717	[7],[13]
Investment, Identifier [Axis]: Tectonic Financial, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	5,030
Ending balance		4,720		5,030	[14]
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		0		(7,681)
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		7,681
Gross Additions		0		0
Gross Reductions		0		7,681
Ending balance		0		0		7,681
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		0		(564)
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		494
Gross Reductions		0		494
Ending balance		0		0		0
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 3
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		0		(661)
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		661
Gross Reductions		0		661
Ending balance		$ 0		$ 0		0
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%	[17],[19]	12.00%	[25]
PIK Rate	[17],[19]	12.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(60)		(114)
Amount of Interest, Fees or Dividends Credited to Income		56		224
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,726	[25]	1,840
Gross Additions		0		0
Gross Reductions		80		114
Ending balance		$ 1,646	[17],[19]	$ 1,726	[25]	1,840
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%	[17],[19]	12.00%	[25]
PIK Rate	[17],[19]	12.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(10,503)		(867)
Amount of Interest, Fees or Dividends Credited to Income		461		1,858
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		14,262	[25]	15,120
Gross Additions		0		8
Gross Reductions		10,659		866
Ending balance		3,603	[17],[19]	14,262	[25]	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)		(482)		(674)
Amount of Interest, Fees or Dividends Credited to Income		0		333
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		4,734	[14]	5,408
Gross Additions		0		0
Gross Reductions		482		674
Ending balance		4,252		4,734	[14]	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		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		1,794		1,794
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		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	[11],[27]	2,840
Ending balance		2,290	[15],[28]	2,840	[11],[27]
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		172
Ending balance		287	[16]	172
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock 1.1
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		493		188
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		6,400		6,400
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		6,400		6,400		6,400
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]	6,400
Ending balance		6,400	[16]	6,400	[14]
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock 2.1
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		26		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		172		0
Gross Additions		115		172
Gross Reductions		0		0
Ending balance		$ 287		$ 172		0
Investment, Identifier [Axis]: The Affiliati Network, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.00%		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		18		30
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		150		106
Gross Additions		1,444		2,764
Gross Reductions		1,200		2,720
Ending balance		$ 394		$ 150		106
Investment, Identifier [Axis]: The Affiliati Network, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%		13.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		(129)
Amount of Interest, Fees or Dividends Credited to Income		751		1,176
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		7,347		9,442
Gross Additions		26		34
Gross Reductions		2,320		2,129
Ending balance		$ 5,053		7,347		9,442
Investment, Identifier [Axis]: Titan Meter Midco Corp., Preferred Equity
Schedule of Investments [Line Items]
Total Rate	[15]	8.00%
PIK Rate	[15]	8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15]	$ 1,400
Investment, Identifier [Axis]: Titan Meter Midco Corp., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[15],[18],[21]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[21]	$ (105)
Investment, Identifier [Axis]: Titan Meter Midco Corp., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.83%
Spread	[15],[18]	6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 33,927
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)		(4,170)		4,940
Amount of Interest, Fees or Dividends Credited to Income		116		116
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		12,740	[14]	7,800
Gross Additions		0		4,940
Gross Reductions		4,170		0
Ending balance		8,570	[16]	$ 12,740	[14]	7,800
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				8.00%
Amount of Realized Gain/(Loss)		0		$ 0
Amount of Unrealized Gain/(Loss)		(1)		(3)
Amount of Interest, Fees or Dividends Credited to Income		5		7
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12]	0
Gross Additions		1		3
Gross Reductions		2		3
Ending balance		$ (1)	[21]	$ 0	[12]	0
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.50%		12.00%
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(8)		(18)
Amount of Interest, Fees or Dividends Credited to Income		1,089		982
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		7,920		7,920
Gross Additions		0		18
Gross Reductions		65		18
Ending balance		$ 7,855		$ 7,920		7,920
Investment, Identifier [Axis]: U.S. TelePacific Corp., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.90%	[8],[18],[19]	12.53%	[7],[13],[20]
Spread		7.40%	[8],[18],[19]	7.15%	[7],[13],[20]
PIK Rate		6.00%	[8],[18],[19]	6.00%	[7],[13],[20]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13],[20]	$ 3,333
Ending balance		3,910	[8],[18],[19]	$ 3,333	[7],[13],[20]
Investment, Identifier [Axis]: U.S. TelePacific Corp., Secured Debt 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[20]	0
Ending balance		0	[8],[19]	$ 0	[7],[20]
Investment, Identifier [Axis]: UPS Intermediate, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15]	$ 1,443
Investment, Identifier [Axis]: UPS Intermediate, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.36%
Spread	[15],[18]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 42,904
Investment, Identifier [Axis]: USA DeBusk LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.46%
Spread	[11],[13]			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	23,101
Ending balance	[11],[13]			$ 23,101
Investment, Identifier [Axis]: USA DeBusk LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.96%
Spread	[11],[13]			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	9,017
Ending balance	[11],[13]			$ 9,017
Investment, Identifier [Axis]: USA DeBusk LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.96%
Spread	[11],[13]			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	4,689
Ending balance	[11],[13]			$ 4,689
Investment, Identifier [Axis]: UniTek Global Services, Inc., 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		0	[7]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0	[8]	$ 0	[7]	0
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock 1
Schedule of Investments [Line Items]
Total Rate		20.00%	[8],[16]	20.00%	[7],[14]
PIK Rate		20.00%	[8],[16]	20.00%	[7],[14]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		(224)		(468)
Amount of Interest, Fees or Dividends Credited to Income		572		468
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,833	[7],[14]	2,833
Gross Additions		572		468
Gross Reductions		224		468
Ending balance		$ 3,181	[8],[16]	$ 2,833	[7],[14]	2,833
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock 2
Schedule of Investments [Line Items]
Total Rate		20.00%	[8]	20.00%	[7]
PIK Rate		20.00%	[8]	20.00%	[7]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		250		1,707
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,698	[7]	1,991
Gross Additions		574		1,707
Gross Reductions		0		0
Ending balance		$ 4,272	[8]	$ 3,698	[7]	1,991
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock 3
Schedule of Investments [Line Items]
Total Rate		19.00%	[8]	19.00%	[7]
PIK Rate		19.00%	[8]	19.00%	[7]
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	[7]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0	[8]	$ 0	[7]	0
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock 4
Schedule of Investments [Line Items]
Total Rate		13.50%	[8]	13.50%	[7]
PIK Rate		13.50%	[8]	13.50%	[7]
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	[7]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0	[8]	$ 0	[7]	0
Investment, Identifier [Axis]: UniTek Global Services, Inc., Secured Convertible Debt 1
Schedule of Investments [Line Items]
Total Rate		15.00%	[8]	15.00%	[7]
PIK Rate		15.00%	[8]	15.00%	[7]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		209		(13)
Amount of Interest, Fees or Dividends Credited to Income		290		312
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,889	[7]	4,592
Gross Additions		1,753		0
Gross Reductions		0		703
Ending balance		$ 5,642	[8]	$ 3,889	[7]	4,592
Investment, Identifier [Axis]: UniTek Global Services, Inc., Secured Convertible Debt 2
Schedule of Investments [Line Items]
Total Rate		15.00%	[8]	15.00%	[7]
PIK Rate		15.00%	[8]	15.00%	[7]
Amount of Realized Gain/(Loss)		$ 0		$ (223)
Amount of Unrealized Gain/(Loss)		88		1,067
Amount of Interest, Fees or Dividends Credited to Income		142		66
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		1,908	[7]	0
Gross Additions		755		2,131
Gross Reductions		0		223
Ending balance		2,663	[8]	$ 1,908	[7]	0
Investment, Identifier [Axis]: UniTek Global Services, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread				7.50%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				22
Amount of Interest, Fees or Dividends Credited to Income				0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		382
Gross Additions				25
Gross Reductions				407
Ending balance				$ 0		382
Investment, Identifier [Axis]: UniTek Global Services, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Spread				7.50%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				96
Amount of Interest, Fees or Dividends Credited to Income				275
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		1,712
Gross Additions				112
Gross Reductions				1,824
Ending balance				0		1,712
Investment, Identifier [Axis]: UnionRock Energy Fund II, LP, LP Interests
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		(459)		(146)
Amount of Interest, Fees or Dividends Credited to Income		46		53
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		5,694	[31],[34],[35]	5,855
Gross Additions		0		531
Gross Reductions		962		692
Ending balance		4,732	[23],[36],[37]	5,694	[31],[34],[35]	5,855
Investment, Identifier [Axis]: UnionRock Energy Fund III, LP, LP Interests
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		500		345
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,838	[31],[34],[35]	0
Gross Additions		3,000		2,838
Gross Reductions		226		0
Ending balance		5,612	[23],[36],[37]	2,838	[31],[34],[35]	0
Investment, Identifier [Axis]: Universal Wellhead Services Holdings, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		(4,000)		0
Amount of Unrealized Gain/(Loss)		4,000		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	[11],[27]	0
Gross Additions		4,000		0
Gross Reductions		4,000		0
Ending balance		0		$ 0	[11],[27]	0
Investment, Identifier [Axis]: Universal Wellhead Services Holdings, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Total Rate	[11],[27]			14.00%
PIK Rate	[11],[27]			14.00%
Amount of Realized Gain/(Loss)		(1,032)		$ 0
Amount of Unrealized Gain/(Loss)		882		(70)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		150	[11],[27]	220
Gross Additions		882		0
Gross Reductions		1,032		70
Ending balance		$ 0		150	[11],[27]	220
Investment, Identifier [Axis]: Urgent DSO LLC, Preferred Equity
Schedule of Investments [Line Items]
Total Rate	[16]	9.00%
PIK Rate	[16]	9.00%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
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		4,320
Gross Reductions		0
Ending balance		$ 4,320	[16]	0
Investment, Identifier [Axis]: Urgent DSO LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.50%
Amount of Realized Gain/(Loss)		$ 0
Amount of Unrealized Gain/(Loss)		0
Amount of Interest, Fees or Dividends Credited to Income		1,247
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		8,727
Gross Reductions		0
Ending balance		$ 8,727		$ 0
Investment, Identifier [Axis]: UserZoom Technologies, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.75%	[15],[18]	12.99%	[11],[13]
Spread		7.50%	[15],[18]	7.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 4,000
Ending balance		4,000	[15],[18]	$ 4,000	[11],[13]
Investment, Identifier [Axis]: VORTEQ Coil Finishers, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[14]	2,570
Ending balance		2,640	[15],[16]	2,570	[11],[14]
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)		0		(100)
Amount of Interest, Fees or Dividends Credited to Income		401		215
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		12,240	[14],[27]	11,940
Gross Additions		0		400
Gross Reductions		0		100
Ending balance		$ 12,240	[16],[28]	$ 12,240	[14],[27]	11,940
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[18],[21]	6.00%	[12],[13],[25]
Amount of Realized Gain/(Loss)		$ 0		$ 0
Amount of Unrealized Gain/(Loss)		0		0
Amount of Interest, Fees or Dividends Credited to Income		16		39
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0	[12],[13],[25]	(21)
Gross Additions		0		21
Gross Reductions		0		0
Ending balance		$ 0	[18],[21]	$ 0	[12],[13],[25]	(21)
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		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		3,241		3,468
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		28,035		30,161
Gross Additions		66		74
Gross Reductions		2,440		2,200
Ending balance		$ 25,661		$ 28,035		30,161
Investment, Identifier [Axis]: Veregy Consolidated, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.25%	[8],[18],[21]	5.25%	[7],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[12],[13]	$ (408)
Ending balance		$ (185)	[8],[18],[21]	$ (408)	[7],[12],[13]
Investment, Identifier [Axis]: Veregy Consolidated, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.85%	[8],[18]	11.64%	[7],[13]
Spread		6.00%	[8],[18]	6.00%	[7],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	$ 15,775
Ending balance		17,681	[8],[18]	$ 15,775	[7],[13]
Investment, Identifier [Axis]: Victory Energy Operations, 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		26,133
Gross Reductions		3,447
Ending balance		22,686		0
Investment, Identifier [Axis]: Victory Energy Operations, 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		6
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		0
Gross Reductions		33
Ending balance		$ (33)	[21]	0
Investment, Identifier [Axis]: Victory Energy Operations, LLC, Secured Debt 2
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		2,557
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Gross Additions		47,792
Gross Reductions		0
Ending balance		47,792		0
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		0		168
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,000	[14]	3,000
Gross Additions		0		0
Gross Reductions		3,000		0
Ending balance		0		3,000	[14]	3,000
Investment, Identifier [Axis]: Vistar Media, Inc., Preferred Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	2,180
Ending balance		4,676	[15]	$ 2,180	[11]
Investment, Identifier [Axis]: Vitesse Systems, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[11],[13]			12.63%
Spread	[11],[13]			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 41,455
Ending balance	[11],[13]			$ 41,455
Investment, Identifier [Axis]: Vitesse Systems, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15]	11.55%
Spread	[15]	7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15]	$ 5,795
Investment, Identifier [Axis]: Vitesse Systems, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.47%
Spread	[15],[18]	7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 42,075
Investment, Identifier [Axis]: Volusion, LLC, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		0		(2,576)
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		2,576
Gross Reductions		0		2,576
Ending balance		0		0		0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		7,250
Ending balance		7,003		7,250
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 1.1
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		30		2
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
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0
Ending balance		0		0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 2.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		0
Amount of Unrealized Gain/(Loss)		4,421		(1,396)
Amount of Interest, Fees or Dividends Credited to Income		0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		7,250		0
Gross Additions		4,422		11,446
Gross Reductions		4,669		4,196
Ending balance		7,003		7,250		0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 3
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
Investment, Identifier [Axis]: Volusion, 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		213
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,100
Gross Additions		0
Gross Reductions		0
Ending balance		2,100		$ 2,100
Investment, Identifier [Axis]: Volusion, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				10.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				0
Amount of Interest, Fees or Dividends Credited to Income				161
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,100		0
Gross Additions				2,100
Gross Reductions				0
Ending balance				$ 2,100		0
Investment, Identifier [Axis]: Volusion, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				11.50%
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		0		14,914
Gross Additions				0
Gross Reductions				14,914
Ending balance				$ 0		14,914
Investment, Identifier [Axis]: Volusion, LLC, Unsecured Convertible Debt
Schedule of Investments [Line Items]
Total Rate				8.00%
Amount of Realized Gain/(Loss)				$ (409)
Amount of Unrealized Gain/(Loss)				409
Amount of Interest, Fees or Dividends Credited to Income				0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		0		0
Gross Additions				409
Gross Reductions				409
Ending balance				0		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		0		0
Gross Additions				0
Gross Reductions				0
Ending balance				0		0
Investment, Identifier [Axis]: Wall Street Prep, Inc., Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	731
Ending balance		$ 1,210	[15]	$ 731	[11]
Investment, Identifier [Axis]: Wall Street Prep, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.00%	[15],[18],[21]	7.00%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	$ (4)
Ending balance		$ (2)	[15],[18],[21]	$ (4)	[11],[12],[13]
Investment, Identifier [Axis]: Wall Street Prep, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.74%	[15],[18]	12.54%	[11],[13]
Spread		7.00%	[15],[18]	7.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 3,723
Ending balance		$ 1,759	[15],[18]	$ 3,723	[11],[13]
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%	[15]	11.50%	[11],[13],[54]
Spread	[11],[13],[54]			6.00%
PIK Rate	[15]	4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[54]	$ 1,853
Ending balance		$ 2,142	[15]	$ 1,853	[11],[13],[54]
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%	[15]	11.50%	[11],[13]
Spread	[11],[13]			6.00%
PIK Rate	[15]	4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 386
Ending balance		$ 369	[15]	$ 386	[11],[13]
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.00%	[15]	11.50%	[11],[13]
Spread	[11],[13]			6.00%
PIK Rate	[15]	4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 15,886
Ending balance		$ 15,227	[15]	$ 15,886	[11],[13]
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.00%	[15]	11.50%	[11],[13]
Spread	[11],[13]			6.00%
PIK Rate	[15]	4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 12,707
Ending balance		12,180	[15]	$ 12,707	[11],[13]
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]	2,990
Ending balance		$ 4,920	[15],[16]	$ 2,990	[11]
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		9.47%	[15],[18],[49]	11.34%	[11],[13],[63]
Spread		5.00%	[15],[18],[49]	6.00%	[11],[13],[63]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[63]	$ 2,405
Ending balance		$ 2,381	[15],[18],[49]	$ 2,405	[11],[13],[63]
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.60%	[15],[18]	11.35%	[11],[13]
Spread		5.00%	[15],[18]	6.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 10,658
Ending balance		$ 10,550	[15],[18]	$ 10,658	[11],[13]
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		9.60%	[15],[18]	11.35%	[11],[13]
Spread		5.00%	[15],[18]	6.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 5,303
Ending balance		$ 5,250	[15],[18]	$ 5,303	[11],[13]
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.81%	[15],[18],[26]	12.64%	[11],[13],[64]
Spread		8.00%	[15],[18],[26]	7.00%	[11],[13],[64]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[64]	$ 2,222
Ending balance		$ 2,138	[15],[18],[26]	$ 2,222	[11],[13],[64]
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.85%	[15],[18]	12.66%	[11],[13]
Spread		8.00%	[15],[18]	7.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 2,067
Ending balance		$ 1,821	[15],[18]	$ 2,067	[11],[13]
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.85%	[15],[18]	12.66%	[11],[13]
Spread		7.00%	[15],[18]	7.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 9,300
Ending balance		$ 7,035	[15],[18]	$ 9,300	[11],[13]
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[15],[18]	13.85%
Spread	[15],[18]	9.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 7,035
Investment, Identifier [Axis]: World Micro Holdings, LLC, Preferred Equity
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		88		226
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		3,845	[14]	3,845
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 3,845	[16]	$ 3,845	[14]	3,845
Investment, Identifier [Axis]: World Micro Holdings, LLC, Secured Debt
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		1,570		1,895
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		12,028		14,140
Gross Additions		32		45
Gross Reductions		1,358		2,157
Ending balance		$ 10,702		$ 12,028		14,140
Investment, Identifier [Axis]: Xenon Arc, Inc. Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[18]	9.70%
Spread	[15],[18]	5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 23,814
Investment, Identifier [Axis]: Xenon Arc, Inc. Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	9.98%
Spread	[15],[18]	5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 37,442
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]			5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]	0
Ending balance	[11],[12],[13]			$ 0
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.22%
Spread	[11],[13]			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	24,057
Ending balance	[11],[13]			$ 24,057
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]			11.25%
Spread	[11],[13]			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]	$ 37,828
Ending balance	[11],[13]			$ 37,828
Investment, Identifier [Axis]: YS Garments, LLC Secured Debt
Schedule of Investments [Line Items]
Total Rate	[8],[18],[49]	12.25%
Spread	[8],[18],[49]	7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8],[18],[49]	$ 9,949
Investment, Identifier [Axis]: YS Garments, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[13]			13.00%
Spread	[7],[13]			7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]	$ 10,220
Ending balance	[7],[13]			$ 10,220
Investment, Identifier [Axis]: ZRG Partners, LLC Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[18]	12.50%
Spread	[15],[18]	5.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 695
Investment, Identifier [Axis]: ZRG Partners, LLC Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.74%
Spread	[15],[18]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 4,158
Investment, Identifier [Axis]: ZRG Partners, LLC Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.28%
Spread	[15],[18]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 6,568
Investment, Identifier [Axis]: ZRG Partners, LLC Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.66%
Spread	[15],[18]	6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 47,050
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)		0		(240)
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		240
Gross Additions		320		0
Gross Reductions		0		240
Ending balance		$ 320		$ 0		240
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 1,750
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				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		55		55
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		450		450
Gross Additions		0		0
Gross Reductions		450		0
Ending balance		0		$ 450		450
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		$ 945
Ending balance				$ 945
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		12.00%
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		1,750
Gross Reductions		0
Ending balance		1,750		$ 0
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt 2.2
Schedule of Investments [Line Items]
Total Rate				6.50%
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		945		945
Gross Additions				0
Gross Reductions				0
Ending balance				$ 945		945
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate				14.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,080
Ending balance				$ 2,080
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt 3.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0
Amount of Unrealized Gain/(Loss)		55
Amount of Interest, Fees or Dividends Credited to Income		66
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		945
Gross Additions		0
Gross Reductions		945
Ending balance		0		$ 945
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt 3.2
Schedule of Investments [Line Items]
Total Rate				14.00%
Amount of Realized Gain/(Loss)				$ 0
Amount of Unrealized Gain/(Loss)				(596)
Amount of Interest, Fees or Dividends Credited to Income				390
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,080		2,676
Gross Additions				0
Gross Reductions				596
Ending balance				2,080		2,676
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		(2,301)
Amount of Unrealized Gain/(Loss)		670
Amount of Interest, Fees or Dividends Credited to Income		389
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance		2,080
Gross Additions		188
Gross Reductions		2,268
Ending balance		0		2,080
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Warrants
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	[9]	0
Gross Additions		0		0
Gross Reductions		0		0
Ending balance		$ 0	[10]	$ 0	[9]	$ 0
Investment, Identifier [Axis]: Zips Car Wash, LLC Secured Debt
Schedule of Investments [Line Items]
Spread	[15],[18]	7.25%
PIK Rate	[15],[18]	11.91%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 14,852
Investment, Identifier [Axis]: Zips Car Wash, LLC Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.91%
Investment, Identifier [Axis]: Zips Car Wash, LLC Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.91%
Spread	[15],[18]	7.25%
PIK Rate	[15],[18]	11.91%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 3,723
Investment, Identifier [Axis]: Zips Car Wash, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13],[65]			12.71%
Spread	[11],[13],[65]			7.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[65]	16,380
Ending balance	[11],[13],[65]			$ 16,380
Investment, Identifier [Axis]: Zips Car Wash, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13],[65]			12.71%
Spread	[11],[13],[65]			7.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[65]	$ 4,067
Ending balance	[11],[13],[65]			$ 4,067
[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] The position is unfunded and no interest income is being earned as of December 31, 2023. The position may earn a nominal unused facility fee on committed amounts. [13] Index based floating interest rate is subject to contractual minimum interest rate. As noted in this schedule, 96% of these floating rate loans (based on the par amount) contain LIBOR or SOFR floors which range between 0.50% and 2.00%, with a weighted-average floor of 1.20%. [14] Income producing through dividends or distributions. [15] Private Loan portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Private Loan portfolio investments. [16] Income producing through dividends or distributions. [17] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable. [18] Index based floating interest rate is subject to contractual minimum interest rate. As noted in this schedule, 95% of the loans (based on the par amount) contain Term SOFR (“SOFR”) floors which range between 0.50% and 5.25%, with a weighted-average floor of 1.32%. [19] Non-accrual and non-income producing debt investment. [20] Non-accrual and non-income producing debt investment. [21] The position is unfunded and no interest income is being earned as of December 31, 2024. The position may earn a nominal unused facility fee on committed amounts. [22] Warrants are presented in equivalent shares/units with a strike price of $1.00 per share/unit. [23] 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. [24] Index based floating interest rate is subject to contractual maximum base rate of 3.00%. [25] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable. [26] 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, 2024. [27] Shares/Units represent ownership in a related Real Estate or HoldCo entity. [28] Shares/Units represent ownership in a related Real Estate or HoldCo entity. [29] 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 plus 8.00% (Floor 1.50%) per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate. [30] 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+7.00% (Floor 1.50%) per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate. [31] 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. [32] Portfolio company headquarters are located outside of the United States. [33] Portfolio company headquarters are located outside of the United States. [34] Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated. [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 unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated. [37] Other Portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Other Portfolio investments. [38] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+7.00% (Floor 2.00%). 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, 2023. [39] As of December 31, 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 December 31, 2023. [40] Effective yield as of December 31, 2023 was approximately 4.98% on the Dreyfus Government Cash Management. [41] Effective yield as of December 31, 2024 was approximately 4.43% on the Dreyfus Government Cash Management. [42] Effective yield as of December 31, 2023 was approximately 5.01% on the Fidelity Government Fund. [43] Effective yield as of December 31, 2023 was approximately 4.99% on the Fidelity Treasury. [44] Effective yield as of December 31, 2024 was approximately 4.10% on the Fidelity Treasury. [45] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+6.50% (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 December 31, 2023. [46] As of December 31, 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 December 31, 2023. [47] Index based floating interest rate is subject to contractual maximum base rate of 1.50%. [48] Index based floating interest rate is subject to contractual maximum base rate of 1.50%. [49] 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 December 31, 2024. [50] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+7.00% (Floor 1.50%). 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, 2023. [51] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+6.75% (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, 2023. [52] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+8.00% (Floor 2.00%). 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, 2023. [53] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+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, 2023. [54] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+6.00% (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, 2023. [55] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+7.00% (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 December 31, 2023. [56] 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. [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] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+7.25% (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, 2023. [59] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+5.75% (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 December 31, 2023. [60] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+6.50% (Floor 2.00%). 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, 2023 [61] 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 11.75% per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate. [62] 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. [63] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+6.00% (0.75%). 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 December 31, 2023. [64] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+7.00% (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, 2023. [65] As of December 31, 2023, borrowings under the loan facility bore 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 December 31, 2023.