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

v3.24.3

Consolidated Schedule of Investments In and Advances to Affiliates (Details) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
		Sep. 30, 2024		Sep. 30, 2023	Sep. 30, 2024		Sep. 30, 2023	Dec. 31, 2023
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		$ 26,382		$ 664	$ 17,429		$ (103,223)
Amount of Unrealized Gain/(Loss)		21,738		27,011	85,431		167,070
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[1]				4,286,271
Ending balance	[2]	4,911,054			4,911,054
Control investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		546	(352)		(50,532)
Amount of Unrealized Gain/(Loss)		50,348		29,838	88,007		122,779
Amount of Interest, Fees or Dividends Credited to Income					152,572		145,485
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,006,698	[1],[3]	1,703,172
Gross Additions					358,982		419,339
Gross Reductions					202,589		210,406
Ending balance		2,104,576	[2],[4]	1,927,019	2,104,576	[2],[4]	1,927,019
Affiliate investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		32		(228)	786		(16,495)
Amount of Unrealized Gain/(Loss)		7,181		5,188	22,609		26,859
Amount of Interest, Fees or Dividends Credited to Income					61,813		53,722
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					615,002	[1],[5]	618,359
Gross Additions					340,196		191,033
Gross Reductions					242,905		228,536
Ending balance		784,092	[2],[6]	565,942	784,092	[2],[6]	565,942
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			441
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					60		67
Gross Reductions					0		0
Ending balance		375		315	375		315
Investment, Identifier [Axis]: 2717 MH, L.P., LP Interests (2717 MH, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					57		2,222
Amount of Unrealized Gain/(Loss)					2,846		(1,106)
Amount of Interest, Fees or Dividends Credited to Income					278		141
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					6,050		7,552
Gross Additions					2,903		2,796
Gross Reductions					57		4,452
Ending balance		8,896		5,896	8,896		5,896
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		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					996		0
Gross Additions					230		750
Gross Reductions					0		0
Ending balance		1,226		750	1,226		750
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	[8]	$ 0	$ 0	[8]	$ 0
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		18.00%	[8]	18.00%	18.00%	[8]	18.00%	18.00%	[7]
PIK Rate		18.00%	[8]	18.00%	18.00%	[8]	18.00%	18.00%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(2)		(20)
Amount of Interest, Fees or Dividends Credited to Income					67		46
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					418	[7]	0
Gross Additions					82		394
Gross Reductions					2		15
Ending balance		$ 498	[8]	$ 379	$ 498	[8]	$ 379
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		18.00%	[8]	18.00%	18.00%	[8]	18.00%	18.00%	[7]
PIK Rate		18.00%	[8]	18.00%	18.00%	[8]	18.00%	18.00%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(46)		(671)
Amount of Interest, Fees or Dividends Credited to Income					2,164		1,739
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					13,895	[7]	11,550
Gross Additions					2,678		1,739
Gross Reductions					46		671
Ending balance		$ 16,527	[8]	$ 12,618	16,527	[8]	12,618
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	0	[8],[10]	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
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
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
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
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
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							9,400
Gross Additions							7,200
Gross Reductions							16,600
Ending balance				0			0
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	[15],[16]	980			980
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)
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
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	0		100
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)					(196)		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		250
Gross Reductions					196		0
Ending balance		$ 70		$ 250	$ 70		$ 250
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.00%	[17]	13.00%	13.00%	[17]	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					40		40
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	[17]	$ 400
Investment, Identifier [Axis]: ASC Interests, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%	[17]	13.00%	13.00%	[17]	13.00%	13.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		(53)
Amount of Interest, Fees or Dividends Credited to Income					164		163
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	1,598	[17]	1,597
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	[15]	$ 720			$ 720
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.59%	[15],[18]		11.59%	[15],[18]		12.16%	[11],[13]
Spread		6.00%	[15],[18]		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	[15],[18]	$ 756			$ 756
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.59%	[15],[18]		10.59%	[15],[18]		11.16%	[11],[13]
Spread		5.00%	[15],[18]		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	[15],[18]	$ 6,660			$ 6,660
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.59%	[15],[18]		12.59%	[15],[18]		13.16%	[11],[13]
Spread		7.00%	[15],[18]		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	[15],[18]	$ 6,660			6,660
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	$ 0	[15]	$ 0
Investment, Identifier [Axis]: ATS Workholding, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		5.00%	[15],[17],[19]	5.00%	5.00%	[15],[17],[19]	5.00%	5.00%	[11],[20]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(281)		(414)
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					167		188
Gross Reductions					281		414
Ending balance		$ 214	[15],[17],[19]	$ 408	$ 214	[15],[17],[19]	$ 408
Investment, Identifier [Axis]: ATS Workholding, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		5.00%	[15],[17],[19]	5.00%	5.00%	[15],[17],[19]	5.00%	5.00%	[11],[20]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(187)		(417)
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					187		417
Ending balance		$ 286	[15],[17],[19]	$ 588	286	[15],[17],[19]	588
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							3,270
Gross Additions							3,248
Gross Reductions							6,518
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: ATX Networks Corp., Secured Debt
Schedule of Investments [Line Items]
Spread				7.50%			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							6,343
Gross Additions							575
Gross Reductions							6,918
Ending balance				$ 0			0
Investment, Identifier [Axis]: ATX Networks Corp., Unsecured Debt
Schedule of Investments [Line Items]
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							2,598
Gross Additions							1,160
Gross Reductions							3,758
Ending balance				0			0
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	[15],[16]	$ 796			$ 796
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.25%	[15],[18],[21]		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	[15],[18],[21]	$ (97)			$ (97)
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.06%	[15],[18]		12.06%	[15],[18]		12.76%	[11],[13]
Spread		7.25%	[15],[18]		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	[15],[18]	$ 24,228			24,228
Investment, Identifier [Axis]: Acumera, Inc., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[16]	$ 30			30
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)
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
Investment, Identifier [Axis]: Acumera, Inc., Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning 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%	[15],[18],[23]		11.00%	[11],[13],[24]
Spread		7.00%	[15],[18],[23]		7.00%	[15],[18],[23]		7.00%	[11],[13],[24]
PIK Rate		1.00%	[15],[18],[23]		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	[15],[18],[23]	$ 7,737			$ 7,737
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.00%	[15],[18],[23]		11.00%	[15],[18],[23]		11.00%	[11],[13],[24]
Spread		7.00%	[15],[18],[23]		7.00%	[15],[18],[23]		7.00%	[11],[13],[24]
PIK Rate		1.00%	[15],[18],[23]		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	[15],[18],[23]	$ 19,043			$ 19,043
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.00%	[15],[18],[21]		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	[15],[18],[21]	$ (6)			$ (6)
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%	[15],[18]		13.00%	[15],[18]		13.50%	[11],[13]
Spread		5.00%	[15],[18]		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	[15],[18]	$ 6,162			$ 6,162
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.23%	[15],[18]		15.23%	[15],[18]		15.29%	[11],[13]
Spread		9.75%	[15],[18]		9.75%	[15],[18]		9.75%	[11],[13]
PIK Rate		15.23%	[15],[18]		15.23%	[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	[15],[18]	$ 6,087			$ 6,087
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.23%	[15],[18]		15.23%	[15],[18]		15.29%	[11],[13]
Spread		9.75%	[15],[18]		9.75%	[15],[18]		9.75%	[11],[13]
PIK Rate		15.23%	[15],[18]		15.23%	[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	[15],[18]	$ 9,903			$ 9,903
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		17.20%	[15],[18],[19]		17.20%	[15],[18],[19]		17.29%	[11],[13],[20]
Spread		11.75%	[15],[18],[19]		11.75%	[15],[18],[19]		11.75%	[11],[13],[20]
PIK Rate		17.20%	[15],[18],[19]		17.20%	[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	[15],[18],[19]	$ 3,809			$ 3,809
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		17.20%	[15],[18],[19]		17.20%	[15],[18],[19]		17.29%	[11],[13],[20]
Spread		11.75%	[15],[18],[19]		11.75%	[15],[18],[19]		11.75%	[11],[13],[20]
PIK Rate		17.20%	[15],[18],[19]		17.20%	[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	[15],[18],[19]	$ 6,198			6,198
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	[8],[17],[19]	76			76
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	[8],[17],[19]	374			374
Investment, Identifier [Axis]: Amounts related to investments transferred to or from other 1940 Act classification during the period, Affiliate Investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(3,694)		0
Amount of Interest, Fees or Dividends Credited to Income					(2,723)		171
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					(71,799)		14,914
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		0		0	0		0
Investment, Identifier [Axis]: Amounts related to investments transferred to or from other 1940 Act classification during the period, Control Investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					3,694		0
Amount of Interest, Fees or Dividends Credited to Income					2,723		(171)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					58,515		(14,914)
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		0		$ 0	0		$ 0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Total Rate				14.13%			14.13%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,860		0
Gross Additions							0
Gross Reductions							0
Ending balance		5,710		$ 0	5,710		0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					0
Gross Reductions					0
Ending balance		0			0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Total Rate								14.13%
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							1,076
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0		3,504
Gross Additions							1,076
Gross Reductions							0
Ending balance		0		$ 4,580	0		$ 4,580
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 2.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					850
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,860
Gross Additions					850
Gross Reductions					0
Ending balance		5,710			5,710
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				15.38%			15.38%	15.38%	[13]
Spread				10.00%			10.00%	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					5		4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					219	[13]	(3)
Gross Additions					0		162
Gross Reductions					219		0
Ending balance		$ 0	[21]	$ 159	$ 0	[21]	$ 159
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.75%		15.38%	13.75%		15.38%	15.38%	[13]
Spread				10.00%			10.00%	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					551		569
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,084	[13]	4,545
Gross Additions					310		61
Gross Reductions					300		469
Ending balance		$ 4,094		$ 4,137	4,094		4,137
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	$ 0	[10]	0
Investment, Identifier [Axis]: Ansira Partners II, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.88%			11.88%
Spread	[15],[18]	6.75%			6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 637			$ 637
Investment, Identifier [Axis]: Ansira Partners II, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	12.08%			12.08%
Spread	[15],[18]	6.75%			6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 75,326			$ 75,326
Investment, Identifier [Axis]: ArborWorks, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]				0
Ending balance	[15]	0			0
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	[15]	12,552			12,552
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	[15]	$ 0			$ 0
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.00%	[15]		15.00%	[15]		15.00%	[11]
PIK Rate		15.00%	[15]		15.00%	[15]		15.00%	[11]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]				$ 1,907
Ending balance	[15]	$ 3,965			$ 3,965
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.76%	[15],[18]		11.76%	[15],[18]		12.04%	[11],[13]
Spread		6.50%	[15],[18]		6.50%	[15],[18]		6.50%	[11],[13]
PIK Rate		11.76%	[15],[18]		11.76%	[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	[15],[18]	$ 7,826			7,826
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	[15]	2,210			2,210
Investment, Identifier [Axis]: BBB Tank Services, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							0
Gross Reductions							0
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: BBB Tank Services, LLC, Preferred Stock (non-voting)
Schedule of Investments [Line Items]
Total Rate				15.00%			15.00%
PIK Rate				15.00%			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]: BBB Tank Services, LLC, Unsecured Debt 1
Schedule of Investments [Line Items]
Total Rate				16.44%			16.44%
Spread				11.00%			11.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							96
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							800
Gross Additions							0
Gross Reductions							200
Ending balance				$ 600			$ 600
Investment, Identifier [Axis]: BBB Tank Services, LLC, Unsecured Debt 2
Schedule of Investments [Line Items]
Total Rate				16.44%			16.44%
Spread				11.00%			11.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							116
Amount of Interest, Fees or Dividends Credited to Income							484
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							2,086
Gross Additions							116
Gross Reductions							0
Ending balance				$ 2,202			2,202
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			$ 3,620
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[18],[26]	11.22%			11.22%
Spread	[15],[18],[26]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[26]	$ 1,798			$ 1,798
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 2
Schedule of Investments [Line Items]
Spread	[15],[18],[21]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[21]	$ (24)			$ (24)
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.35%			11.35%
Spread	[15],[18]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 26,339			$ 26,339
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)					1,220		(280)
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,140	[11]	3,320
Gross Additions					1,220		0
Gross Reductions					0		280
Ending balance		$ 5,360	[15]	$ 3,040	$ 5,360	[15]	$ 3,040
Investment, Identifier [Axis]: Barfly Ventures, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		7.00%	[15]	7.00%	7.00%	[15]	7.00%	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					38		45
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	711	[15]	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					643		630
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	$ 5,160	[16]	6,150
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					30		1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[12]	(8)
Gross Additions					451		8
Gross Reductions					6		0
Ending balance		$ 445		$ 0	$ 445		$ 0
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%	10.00%		10.00%	10.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					21		11
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					270		0
Gross Additions					0		630
Gross Reductions					0		0
Ending balance		$ 270		$ 630	$ 270		$ 630
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%	10.00%		10.00%	10.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(67)		73
Amount of Interest, Fees or Dividends Credited to Income					821		859
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					10,575		10,933
Gross Additions					16		93
Gross Reductions					67		451
Ending balance		$ 10,524		$ 10,575	10,524		10,575
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	[15]	0			0
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	[15],[28]	0			0
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			$ 0
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		10.25%	[15],[18],[21]		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	[15],[18],[21]	$ (52)			$ (52)
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.31%	[15],[18]		15.31%	[15],[18]		12.64%	[11],[13]
Spread		10.25%	[15],[18]		10.25%	[15],[18]		7.25%	[11],[13]
PIK Rate		9.25%	[15],[18]		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	[15],[18]	$ 25,986			25,986
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	[15]	580			580
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	[8]	$ 0			$ 0
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.82%	[8],[18]		13.82%	[8],[18]		16.00%	[7],[13]
Spread		8.50%	[8],[18]		8.50%	[8],[18]		7.50%	[7],[13]
PIK Rate		12.82%	[8],[18]		12.82%	[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	[8],[18]	$ 174			$ 174
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.50%	[8],[18]		15.50%	[8],[18]		13.96%	[7],[13]
Spread		7.50%	[8],[18]		7.50%	[8],[18]		8.50%	[7],[13]
PIK Rate		15.00%	[8],[18]		15.00%	[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	[8],[18]	$ 3,161			$ 3,161
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[8],[18]	13.82%			13.82%
Spread	[8],[18]	8.50%			8.50%
PIK Rate	[8],[18]	12.82%			12.82%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8],[18]	$ 3,710			$ 3,710
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	[8],[10]	0			0
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)		(840)
Amount of Interest, Fees or Dividends Credited to Income					30		61
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		840
Ending balance		$ 310	[16]	$ 2,130	$ 310	[16]	$ 2,130
Investment, Identifier [Axis]: Boccella Precast Products LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%	10.00%		10.00%	10.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(55)		0
Amount of Interest, Fees or Dividends Credited to Income					24		24
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					320		320
Gross Additions					0		0
Gross Reductions					55		0
Ending balance		$ 265		$ 320	$ 265		$ 320
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Class B Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		8.00%	[16]	8.00%	8.00%	[16]	8.00%	8.00%	[14]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					3,690		(300)
Amount of Interest, Fees or Dividends Credited to Income					2,450		2,920
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					31,020	[14]	31,420
Gross Additions					3,690		0
Gross Reductions					0		300
Ending balance		$ 34,710	[16]	$ 31,120	34,710	[16]	31,120
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%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[13],[29]				96,556
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							0
Gross Reductions							0
Ending balance		$ 0	[21]	$ 0	$ 0	[21]	$ 0
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		13.27%			13.27%
Spread		8.02%			8.02%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(63)
Amount of Interest, Fees or Dividends Credited to Income					10,313
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					96,556
Gross Additions					7,599
Gross Reductions					1,916
Ending balance		$ 102,239			$ 102,239
Investment, Identifier [Axis]: Bolder Panther Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.27%	[18],[30]	14.52%	13.27%	[18],[30]	14.52%
Spread		8.02%	[18],[30]	9.15%	8.02%	[18],[30]	9.15%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(106)
Amount of Interest, Fees or Dividends Credited to Income							10,599
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							99,194
Gross Additions							106
Gross Reductions							2,084
Ending balance		$ 102,239	[18],[30]	$ 97,216	$ 102,239	[18],[30]	97,216
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					116
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	[15],[33],[34]	0			0
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	[15],[33],[34]	$ 501			$ 501
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.00%	[15],[18],[21],[33],[34]		7.00%	[15],[18],[21],[33],[34]		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	[15],[18],[21],[33],[34]	$ (20)			$ (20)
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.48%	[15],[18],[33],[34]		11.48%	[15],[18],[33],[34]		11.54%	[11],[13],[31],[32]
Spread		6.00%	[15],[18],[33],[34]		6.00%	[15],[18],[33],[34]		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	[15],[18],[33],[34]	$ 6,357			$ 6,357
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.48%	[15],[18],[33],[34]		13.48%	[15],[18],[33],[34]		13.54%	[11],[13],[31],[32]
Spread		8.00%	[15],[18],[33],[34]		8.00%	[15],[18],[33],[34]		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	[15],[18],[33],[34]	$ 6,357			$ 6,357
Investment, Identifier [Axis]: Brainworks Software, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.25%	[15],[17],[18],[19]		15.25%	[15],[17],[18],[19]		15.75%	[11],[13],[20],[25]
Spread		7.25%	[15],[17],[18],[19]		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	[15],[17],[18],[19]	$ 761			$ 761
Investment, Identifier [Axis]: Brainworks Software, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.25%	[15],[17],[18],[19]		15.25%	[15],[17],[18],[19]		15.75%	[11],[13],[20],[25]
Spread		7.25%	[15],[17],[18],[19]		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	[15],[17],[18],[19]	$ 750			750
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)					(190)		(1,460)
Amount of Interest, Fees or Dividends Credited to Income					90		90
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					5,620	[14]	7,080
Gross Additions					0		0
Gross Reductions					189		1,460
Ending balance		$ 5,431	[16]	$ 5,620	$ 5,431	[16]	$ 5,620
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		15.35%	[18]	15.44%	15.35%	[18]	15.44%	15.46%	[13]
Spread		10.00%	[18]	10.00%	10.00%	[18]	10.00%	10.00%	[13]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		(117)
Amount of Interest, Fees or Dividends Credited to Income					631		682
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					5,498	[13]	5,964
Gross Additions					14		30
Gross Reductions					372		489
Ending balance		$ 5,140	[18]	$ 5,505	5,140	[18]	5,505
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		75
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	0	[16],[28]	$ 1,000
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				13.00%			13.00%	13.00%
Amount of Realized Gain/(Loss)					0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					767		869
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	0		$ 8,813
Investment, Identifier [Axis]: Bridge Capital Solutions Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				13.00%			13.00%	13.00%
Amount of Realized Gain/(Loss)					0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					87		99
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	0		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	[10]	0			0
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)		46
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		46
Gross Reductions					1,808		0
Ending balance		0		1,874	0		1,874
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)		64
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		64
Gross Reductions					2,482		0
Ending balance		0		$ 2,576	0		$ 2,576
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],[35],[36]				4,080
Ending balance	[33],[37],[38]	3,468			3,468
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],[35],[36]				4,358
Ending balance	[16],[33],[37],[38]	4,401			4,401
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],[35],[36]				2,448
Ending balance	[16],[33],[37],[38]	$ 3,211			$ 3,211
Investment, Identifier [Axis]: Buca C, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		6.00%		6.00%	6.00%		6.00%	6.00%
PIK Rate		6.00%		6.00%	6.00%		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		$ 0
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%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 0			$ 0
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%			12.00%	12.00%	[25]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							292
Amount of Interest, Fees or Dividends Credited to Income							1,659
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 12,144	[25]	12,337
Gross Additions							292
Gross Reductions							375
Ending balance				$ 12,254			12,254
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[19]	15.00%			15.00%
PIK Rate	[19]	10.00%			10.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[19]	$ 16,226			$ 16,226
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		15.00%			15.00%
PIK Rate		15.00%			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			$ 0
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[19],[21]	15.00%			15.00%
PIK Rate	[19],[21]	15.00%			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	[19],[21]	$ 0			$ 0
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[17],[19]	15.00%			15.00%
PIK Rate	[17],[19]	15.00%			15.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[17],[19]	$ 0			$ 0
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 3.1
Schedule of Investments [Line Items]
Total Rate		15.00%			15.00%
PIK Rate		10.00%			10.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(3,345)
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					19,571
Gross Reductions					3,345
Ending balance		$ 16,226			$ 16,226
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%	[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	[15],[18],[21]	$ 0			$ 0
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.95%	[15],[18]		9.95%	[15],[18]		10.46%	[11],[13]
Spread		5.00%	[15],[18]		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	[15],[18]	$ 18,766			18,766
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		2,227			2,227
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)		1,838
Amount of Interest, Fees or Dividends Credited to Income					1,647		2,059
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					50,130	[14]	49,002
Gross Additions					0		1,838
Gross Reductions					590		0
Ending balance		$ 49,540	[16]	50,840	$ 49,540	[16]	50,840
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							1,670
Gross Additions							99
Gross Reductions							1,769
Ending balance				0			0
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.75%	[15],[18],[21]		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	[15],[18],[21]	$ (52)			$ (52)
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread		6.75%	[15],[18],[21]		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	[15],[18],[21]	$ (52)			$ (52)
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.49%	[15],[18]		11.49%	[15],[18]		12.45%	[11],[13]
Spread		6.75%	[15],[18]		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	[15],[18]	$ 10,755			10,755
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)					(520)		(180)
Amount of Interest, Fees or Dividends Credited to Income					30		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					520		180
Ending balance		$ 1,460	[16]	2,030	$ 1,460	[16]	2,030
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Total Rate		15.00%	[16]		15.00%	[16]		15.00%	[14]
PIK Rate		15.00%	[16]		15.00%	[16]		15.00%	[14]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							(4,550)
Amount of Interest, Fees or Dividends Credited to Income							188
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 4,601	[14]	25,495
Gross Additions							0
Gross Reductions							4,550
Ending balance		$ 10,541	[16]	$ 20,945	10,541	[16]	$ 20,945
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					893
Amount of Interest, Fees or Dividends Credited to Income					188
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					15,695
Gross Additions					6,520
Gross Reductions					0
Ending balance		22,215			22,215
Investment, Identifier [Axis]: California Splendor Holdings LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Total Rate				15.00%			15.00%
PIK Rate				15.00%			15.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							454
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					15,695	[14]	3,994
Gross Additions							454
Gross Reductions							0
Ending balance		$ 22,215	[16]	$ 4,448	$ 22,215	[16]	$ 4,448
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
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					940
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,601
Gross Additions					5,940
Gross Reductions					0
Ending balance		$ 10,541			10,541
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				15.50%			15.50%	15.69%	[13],[14]
Spread				10.00%			10.00%	10.00%	[13],[14]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(49)
Amount of Interest, Fees or Dividends Credited to Income							3,240
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 27,655	[13],[14]	28,000
Gross Additions							10
Gross Reductions							49
Ending balance				$ 27,961			27,961
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.00%			14.00%
PIK Rate		4.00%			4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 1,487			$ 1,487
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		14.00%			14.00%
PIK Rate		4.00%			4.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(79)
Amount of Interest, Fees or Dividends Credited to Income					3,098
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					27,655
Gross Additions					594
Gross Reductions					79
Ending balance		$ 28,170			$ 28,170
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.00%			14.00%
PIK Rate		4.00%			4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 28,170			$ 28,170
Investment, Identifier [Axis]: California Splendor Holdings LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		14.00%			14.00%
PIK Rate		4.00%			4.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					49
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					1,487
Gross Reductions					0
Ending balance		$ 1,487			1,487
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)					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					4,500		4,500
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 4,500		$ 4,500	$ 4,500		$ 4,500
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.25%	[18]		11.25%	[18]		11.38%	[13]
Spread		6.00%	[18]	6.00%	6.00%	[18]	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					94		18
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					881	[13]	(9)
Gross Additions					2,255		439
Gross Reductions					2,475		451
Ending balance		$ 661	[18]	$ (21)	$ 661	[18]	$ (21)
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%		12.50%	13.00%		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					1,999		1,950
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					19,906		20,090
Gross Additions					31		31
Gross Reductions					180		90
Ending balance		$ 19,757		$ 20,031	19,757		20,031
Investment, Identifier [Axis]: CaseWorthy, Inc., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]				246
Ending balance	[15]	490			490
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)
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
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
Investment, Identifier [Axis]: CenterPeak Holdings, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[16]	14,300			14,300
Investment, Identifier [Axis]: CenterPeak Holdings, LLC, Secured Debt 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[21]	$ 0			$ 0
Investment, Identifier [Axis]: CenterPeak Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.00%			15.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 21,507			$ 21,507
Investment, Identifier [Axis]: Central Moloney, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.35%			11.35%
Spread	[15],[18]	6.75%			6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 38,320			$ 38,320
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)					920		1,700
Amount of Interest, Fees or Dividends Credited to Income					90		90
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					11,040		8,700
Gross Additions					920		1,700
Gross Reductions					0		0
Ending balance		$ 11,960		$ 10,400	$ 11,960		$ 10,400
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		10.00%	[18],[21]	9.00%	10.00%	[18],[21]	9.00%	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					9		9
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	$ 0	[18],[21]	$ 0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.35%	[18]	14.48%	15.35%	[18]	14.48%	14.48%	[13]
Spread		10.00%	[18]	9.00%	10.00%	[18]	9.00%	9.00%	[13]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							70
Amount of Interest, Fees or Dividends Credited to Income							1,657
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 17,574	[13]	14,954
Gross Additions							2,620
Gross Reductions							0
Ending balance		$ 20,462	[18]	$ 17,574	$ 20,462	[18]	17,574
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		15.35%			15.35%
Spread		10.00%			10.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					207
Amount of Interest, Fees or Dividends Credited to Income					2,206
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					21,974
Gross Reductions					1,512
Ending balance		$ 20,462			20,462
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 3
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			0
Investment, Identifier [Axis]: Chamberlin Holding LLC, Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					1,210		3,010
Amount of Interest, Fees or Dividends Credited to Income					3,875		2,792
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					29,320	[14]	22,920
Gross Additions					1,210		3,010
Gross Reductions					0		0
Ending balance		30,530	[16]	25,930	30,530	[16]	25,930
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)					360		260
Amount of Interest, Fees or Dividends Credited to Income					69		69
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,860	[14],[27]	2,710
Gross Additions					360		260
Gross Reductions					0		0
Ending balance		$ 3,220	[16],[28]	$ 2,970	$ 3,220	[16],[28]	$ 2,970
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[18],[21]	6.00%	6.00%	[18],[21]	6.00%	6.00%	[12],[13]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(67)		140
Amount of Interest, Fees or Dividends Credited to Income					74		21
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[12],[13]	0
Gross Additions					67		0
Gross Reductions					67		0
Ending balance		$ 0	[18],[21]	$ 0	$ 0	[18],[21]	$ 0
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.36%	[18]	13.49%	13.36%	[18]	13.49%	13.49%	[13]
Spread		8.00%	[18]	8.00%	8.00%	[18]	8.00%	8.00%	[13]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(1)		(7)
Amount of Interest, Fees or Dividends Credited to Income					1,603		1,655
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					15,620	[13]	16,945
Gross Additions					1		7
Gross Reductions					1		545
Ending balance		$ 15,620	[18]	$ 16,407	$ 15,620	[18]	16,407
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							1,790
Gross Additions							1,797
Gross Reductions							3,587
Ending balance				0			0
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.02%	[15],[18],[26]		12.02%	[15],[18],[26]		12.60%	[11],[13],[39]
Spread		7.00%	[15],[18],[26]		7.00%	[15],[18],[26]		7.00%	[11],[13],[39]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[39]				$ 1,988
Ending balance	[15],[18],[26]	$ 4,756			$ 4,756
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.55%	[15],[18]		12.55%	[15],[18]		12.66%	[11],[13]
Spread		7.00%	[15],[18]		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	[15],[18]	$ 33,982			$ 33,982
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.55%	[15],[18]		12.55%	[15],[18]		12.66%	[11],[13]
Spread		7.00%	[15],[18]		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	[15],[18]	$ 1,883			$ 1,883
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.55%	[15],[18]		12.55%	[15],[18]		12.66%	[11],[13]
Spread		7.00%	[15],[18]		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	[15],[18]	$ 4,550			4,550
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)		670
Amount of Interest, Fees or Dividends Credited to Income					483		666
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					15,690	[14]	13,340
Gross Additions					0		670
Gross Reductions					110		0
Ending balance		$ 15,580	[16]	$ 14,010	$ 15,580	[16]	$ 14,010
Investment, Identifier [Axis]: Charps, LLC, Unsecured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%	10.00%		10.00%	10.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(366)		(26)
Amount of Interest, Fees or Dividends Credited to Income					793		452
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					5,694		5,694
Gross Additions					366		26
Gross Reductions					366		26
Ending balance		$ 5,694		$ 5,694	5,694		5,694
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					3,640		(2,640)
Amount of Interest, Fees or Dividends Credited to Income					585		275
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					5,200	[14]	8,220
Gross Additions					3,640		0
Gross Reductions					0		2,640
Ending balance		8,840	[16]	5,580	8,840	[16]	5,580
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	950	[28]	1,129
Investment, Identifier [Axis]: Clad-Rex Steel, 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					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	$ 0	[21]	$ 0
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%		11.50%	10.00%		11.50%	11.50%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					138		(138)
Amount of Interest, Fees or Dividends Credited to Income					709		910
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					8,422		10,440
Gross Additions					109		29
Gross Reductions					1,400		1,817
Ending balance		$ 7,131		$ 8,652	$ 7,131		$ 8,652
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%	10.00%		10.00%	10.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					75		78
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,004		1,039
Gross Additions					0		1
Gross Reductions					29		27
Ending balance		$ 975		$ 1,013	975		1,013
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	[15],[17],[19]	17			17
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					10,365		0
Amount of Unrealized Gain/(Loss)					(7,590)		(8,639)
Amount of Interest, Fees or Dividends Credited to Income					1,470		5,259
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					16,000	[14]	24,637
Gross Additions					10,365		0
Gross Reductions					23,715		8,637
Ending balance		$ 2,650	[16]	$ 16,000	$ 2,650	[16]	$ 16,000
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				11.50%			11.50%	11.69%	[13]
Spread		6.00%		6.00%	6.00%		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		397
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	0		$ 4,560
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				8.00%			8.00%	8.00%
Amount of Realized Gain/(Loss)					0		$ 0
Amount of Unrealized Gain/(Loss)					(50)		(32)
Amount of Interest, Fees or Dividends Credited to Income					654		1,201
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					19,274		19,274
Gross Additions					50		32
Gross Reductions					19,324		32
Ending balance		0		$ 19,274	0		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)					(2,510)		10,970
Amount of Interest, Fees or Dividends Credited to Income					1,568		2,610
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					72,470	[14],[27]	58,180
Gross Additions					0		10,970
Gross Reductions					2,510		0
Ending balance		69,960	[16],[28]	69,150	69,960	[16],[28]	69,150
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					3		11
Amount of Interest, Fees or Dividends Credited to Income					38		8
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	$ 0	[21]	$ 0
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%		12.50%	12.50%		12.50%	12.50%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(9)		35
Amount of Interest, Fees or Dividends Credited to Income					3,887		2,029
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					42,073		0
Gross Additions					9		46,311
Gross Reductions					2,219		2,755
Ending balance		$ 39,863		$ 43,556	39,863		$ 43,556
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Spread				10.50%			10.50%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(19)
Amount of Interest, Fees or Dividends Credited to Income							96
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							1,462
Gross Additions							32
Gross Reductions							1,494
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: Cody Pools, Inc., Secured Debt 4
Schedule of Investments [Line Items]
Spread				10.50%			10.50%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(280)
Amount of Interest, Fees or Dividends Credited to Income							2,683
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							40,801
Gross Additions							0
Gross Reductions							40,801
Ending balance				$ 0			0
Investment, Identifier [Axis]: Colonial Electric Company LLC, Preferred Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[16]	13,120			13,120
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		2,400
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)					5,440		(1,480)
Amount of Interest, Fees or Dividends Credited to Income					2,239		(1,179)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					7,680		9,160
Gross Additions					5,440		0
Gross Reductions					0		1,480
Ending balance		13,120		7,680	13,120		7,680
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					6		50
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	$ 0	[21]	$ 0
Investment, Identifier [Axis]: Colonial Electric Company LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%	12.00%		12.00%	12.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					370		(500)
Amount of Interest, Fees or Dividends Credited to Income					1,797		2,105
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					21,627		23,151
Gross Additions					423		42
Gross Reductions					5,825		1,446
Ending balance		$ 16,225		$ 21,747	16,225		21,747
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)					(1,305)		(4,400)
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					1,305		4,400
Ending balance		$ 14,690		$ 15,430	$ 14,690		$ 15,430
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[18]	14.35%			14.35%
Spread	[18]	9.00%			9.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[18]	$ 3,102			$ 3,102
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		9.00%		9.00%	9.00%		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	$ 0		$ 0
Investment, Identifier [Axis]: CompareNetworks Topco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.35%		14.48%	14.35%		14.48%	14.48%	[13]
Spread		9.00%		9.00%	9.00%		9.00%	9.00%	[13]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		(7)
Amount of Interest, Fees or Dividends Credited to Income					368		533
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,454	[13]	5,241
Gross Additions					0		7
Gross Reductions					352		1,379
Ending balance		$ 3,102		$ 3,869	3,102		3,869
Investment, Identifier [Axis]: Compass Systems & Sales, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					496
Amount of Interest, Fees or Dividends Credited to Income					180
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					7,454
Gross Additions					497
Gross Reductions					0
Ending balance		7,951			7,951
Investment, Identifier [Axis]: Compass Systems & Sales, 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					117
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[12]				0
Gross Additions					2,378
Gross Reductions					2,400
Ending balance	[21]	$ (22)			$ (22)
Investment, Identifier [Axis]: Compass Systems & Sales, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.50%			13.50%			13.50%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					1,793
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					17,034
Gross Additions					25
Gross Reductions					0
Ending balance		$ 17,059			$ 17,059
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.29%	[15],[18],[26]		13.29%	[15],[18],[26]		13.52%	[11],[13],[40]
Spread		8.00%	[15],[18],[26]		8.00%	[15],[18],[26]		8.00%	[11],[13],[40]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[40]				$ 4,848
Ending balance	[15],[18],[26]	$ 7,340			$ 7,340
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]							13.52%
Spread		8.00%	[15],[18],[21]		8.00%	[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	[15],[18],[21]	$ (131)			$ (131)
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18]	13.28%			13.28%
Spread	[15],[18]	8.00%			8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 17,720			$ 17,720
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],[35],[36]				4,352
Ending balance	[16],[33],[37],[38]	2,378			2,378
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)					(51)		87
Amount of Interest, Fees or Dividends Credited to Income					193		345
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,352		7,657
Gross Additions					0		87
Gross Reductions					1,974		3,318
Ending balance		2,378		4,426	2,378		4,426
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	[15]	0			0
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],[35],[36]	588
Gross Additions					0		0
Gross Reductions					38		0
Ending balance		$ 530	[33],[37],[38]	588	$ 530	[33],[37],[38]	588
Investment, Identifier [Axis]: Coregistics Buyer LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[15],[18],[33],[34]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[33],[34]	$ 1,597			$ 1,597
Investment, Identifier [Axis]: Coregistics Buyer LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18],[33],[34]	11.45%			11.45%
Spread	[15],[18],[33],[34]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[33],[34]	$ 10,237			$ 10,237
Investment, Identifier [Axis]: Coregistics Buyer LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18],[33],[34]	11.62%			11.62%
Spread	[15],[18],[33],[34]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[33],[34]	$ 6,825			$ 6,825
Investment, Identifier [Axis]: Coregistics Buyer LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[15],[18],[33],[34]	11.70%			11.70%
Spread	[15],[18],[33],[34]	6.75%			6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[33],[34]	$ 31,425			$ 31,425
Investment, Identifier [Axis]: Creative Foam Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[15],[18],[21]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[21]	$ (287)			$ (287)
Investment, Identifier [Axis]: Creative Foam Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.35%			10.35%
Spread	[15],[18]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 105,615			$ 105,615
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)					280		0
Amount of Interest, Fees or Dividends Credited to Income					1,104		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					15,000		0
Gross Additions					280		15,000
Gross Reductions					0		0
Ending balance		15,280	[16]	15,000	15,280	[16]	15,000
Investment, Identifier [Axis]: Cybermedia Technologies, 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		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	$ 0	[21]	$ 0
Investment, Identifier [Axis]: Cybermedia Technologies, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%	13.00%		13.00%	13.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					2,804		2,020
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					28,389		0
Gross Additions					52		28,734
Gross Reductions					1,338		0
Ending balance		$ 27,103		$ 28,734	27,103		28,734
Investment, Identifier [Axis]: DMA Industries, 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					7,660		7,260
Gross Additions							0
Gross Reductions							0
Ending balance				$ 7,260			$ 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			$ 5,944
Investment, Identifier [Axis]: DMA Industries, LLC, Preferred Equity 2
Schedule of Investments [Line Items]
Total Rate	[16]	15.00%			15.00%
PIK Rate	[16]	15.00%			15.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					54
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					3,122
Gross Reductions					0
Ending balance	[16]	$ 3,122			3,122
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%			12.00%	12.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(32)
Amount of Interest, Fees or Dividends Credited to Income							1,896
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 18,800		21,200
Gross Additions							32
Gross Reductions							1,232
Ending balance				$ 20,000			20,000
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%			12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 555			$ 555
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		12.00%			12.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(115)
Amount of Interest, Fees or Dividends Credited to Income					1,659
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					18,800
Gross Additions					32
Gross Reductions					2,115
Ending balance		$ 16,717			$ 16,717
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%			12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 16,717			$ 16,717
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		12.00%			12.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					26
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					555
Gross Reductions					0
Ending balance		$ 555			$ 555
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class A Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		8.00%	[15]		8.00%	[15]		8.00%	[11]
PIK Rate		8.00%	[15]		8.00%	[15]		8.00%	[11]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]				$ 260
Ending balance	[15]	$ 0			$ 0
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%	[15],[16]		10.00%	[11],[14]
PIK Rate		10.00%	[15],[16]		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	[15],[16]	$ 681			681
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	[15]	830			830
Investment, Identifier [Axis]: Datacom, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					320		(2,430)
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					70		2,670
Gross Additions					320		0
Gross Reductions					0		2,430
Ending balance		$ 390		$ 240	$ 390		$ 240
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		7.50%		7.50%	7.50%		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					20		30
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					447		223
Gross Additions					451		808
Gross Reductions					540		495
Ending balance		$ 358		$ 536	$ 358		$ 536
Investment, Identifier [Axis]: Datacom, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%	10.00%		10.00%	10.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					112		(85)
Amount of Interest, Fees or Dividends Credited to Income					736		761
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					7,587		7,789
Gross Additions					221		116
Gross Reductions					203		288
Ending balance		$ 7,605		$ 7,617	7,605		7,617
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					150		150
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	$ 9,835	[16]	$ 9,835
Investment, Identifier [Axis]: Digital Products Holdings LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		15.25%	[18]	15.38%	15.25%	[18]	15.38%	15.38%	[13]
Spread		10.00%	[18]	10.00%	10.00%	[18]	10.00%	10.00%	[13]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		(67)
Amount of Interest, Fees or Dividends Credited to Income					1,641		1,735
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					14,690	[13]	15,523
Gross Additions					47		0
Gross Reductions					1,926		845
Ending balance		$ 12,811	[18]	$ 14,678	12,811	[18]	14,678
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(1,460)		(850)
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					1,460		850
Ending balance		19,280		$ 21,370	19,280		$ 21,370
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				14.00%			14.00%	14.00%
Amount of Realized Gain/(Loss)					0		$ 0
Amount of Unrealized Gain/(Loss)					(22)		(22)
Amount of Interest, Fees or Dividends Credited to Income					70		36
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,233		0
Gross Additions					1,722		1,297
Gross Reductions					2,955		22
Ending balance		$ 0	[21]	$ 1,275	$ 0	[21]	$ 1,275
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.00%		14.00%	14.00%		14.00%	14.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(33)		(47)
Amount of Interest, Fees or Dividends Credited to Income					2,682		2,778
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					25,543		27,267
Gross Additions					33		47
Gross Reductions					1,264		1,361
Ending balance		$ 24,312		$ 25,953	24,312		25,953
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)					35		(173)
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],[35],[36]	2,898
Gross Additions					35		241
Gross Reductions					45		460
Ending balance		2,621	[33],[37],[38]	2,679	2,621	[33],[37],[38]	2,679
Investment, Identifier [Axis]: Dos Rios Partners, LP Interests (Dos Rios Partners, LP)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		754
Amount of Unrealized Gain/(Loss)					(921)		(388)
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],[35],[36]	9,127
Gross Additions					0		759
Gross Reductions					1,063		1,292
Ending balance		7,380	[33],[37],[38]	8,594	7,380	[33],[37],[38]	8,594
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	$ 0	[15],[28]	1,580
Investment, Identifier [Axis]: Dreyfus Government Cash Management
Schedule of Investments [Line Items]
Total Rate		5.02%			5.02%			4.98%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[41]				$ 13,476
Ending balance	[42]	$ 30,519			30,519
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	[15]	0			0
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	[15]	60			60
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	[15]	$ 0			$ 0
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.45%	[15],[18]		11.45%	[15],[18]		10.45%	[11],[13]
Spread		6.50%	[15],[18]		6.50%	[15],[18]		5.00%	[11],[13]
PIK Rate		11.45%	[15],[18]		11.45%	[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	[15],[18]	$ 2,155			$ 2,155
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.45%	[15],[18]		13.45%	[15],[18]		12.45%	[11],[13]
Spread		8.50%	[15],[18]		8.50%	[15],[18]		7.00%	[11],[13]
PIK Rate		13.45%	[15],[18]		13.45%	[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	[15],[18]	$ 2,139			2,139
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)					32		16
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					44		68
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					760	[14],[31],[35],[36]	1,013
Gross Additions					33		16
Gross Reductions					424		56
Ending balance		$ 369	[16],[33],[38]	973	$ 369	[16],[33],[38]	973
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.10%	[15],[18],[26]		13.10%	[15],[18],[26]		13.50%	[11],[13]
Spread		8.00%	[15],[18],[26]		8.00%	[15],[18],[26]		8.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 927
Ending balance	[15],[18],[26]	$ 2,677			$ 2,677
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.95%	[15],[18]		12.95%	[15],[18]		13.50%	[11],[13]
Spread		8.00%	[15],[18]		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	[15],[18]	$ 4,146			$ 4,146
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.95%	[15],[18]		12.95%	[15],[18]		13.50%	[11],[13]
Spread		8.00%	[15],[18]		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	[15],[18]	$ 8,268			$ 8,268
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.95%	[15],[18]		12.95%	[15],[18]		13.50%	[11],[13]
Spread		8.00%	[15],[18]		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	[15],[18]	$ 1,715			$ 1,715
Investment, Identifier [Axis]: Eastern Wholesale Fence LLC, Secured Debt 5
Schedule of Investments [Line Items]
Total Rate		12.95%	[15],[18]		12.95%	[15],[18]		13.50%	[11],[13]
Spread		8.00%	[15],[18]		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	[15],[18]	$ 9,382			9,382
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	5,730		6,090
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)					1,330		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					1,330		112
Gross Reductions					0		0
Ending balance		$ 3,000	[28]	$ 1,670	$ 3,000	[28]	$ 1,670
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[18],[21]	6.00%	6.00%	[18],[21]	6.00%	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					7		7
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					(7)	[12],[13]	(9)
Gross Additions					1		1
Gross Reductions					0		0
Ending balance		$ (6)	[18],[21]	$ (8)	$ (6)	[18],[21]	$ (8)
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%	12.00%		12.00%	12.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					1,702		1,736
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					18,632		18,594
Gross Additions					32		29
Gross Reductions					704		0
Ending balance		$ 17,960		$ 18,623	$ 17,960		$ 18,623
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		9.00%		9.00%	9.00%		9.00%	9.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					427		430
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					6,252		6,294
Gross Additions					2		2
Gross Reductions					36		33
Ending balance		$ 6,218		$ 6,263	$ 6,218		6,263
Investment, Identifier [Axis]: Emerald Technologies Acquisition Co, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.20%	[8],[18]		11.20%	[8],[18]		11.79%	[7],[13]
Spread		6.25%	[8],[18]		6.25%	[8],[18]		6.25%	[7],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]				$ 8,158
Ending balance	[8],[18]	$ 7,967			7,967
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],[35],[36]				1,720
Ending balance	[16],[33],[37],[38]	1,148			1,148
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],[35],[36]				899
Ending balance	[16],[33],[37],[38]	901			901
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],[35],[36]				1,918
Ending balance	[16],[33],[37],[38]	1,820			1,820
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],[35],[36]				5,858
Ending balance	[16],[33],[37],[38]	6,968			6,968
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	[33],[37],[38]	5,371			5,371
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],[35],[36]				1,413
Ending balance	[16],[33],[37],[38]	1,406			1,406
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],[35],[36]				4,056
Ending balance	[16],[33],[37],[38]	3,756			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
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
Investment, Identifier [Axis]: Escalent, Inc., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]				730
Ending balance	[15]	$ 910			$ 910
Investment, Identifier [Axis]: Escalent, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		8.00%	[15],[18],[21]		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	[15],[18],[21]	$ (30)			$ (30)
Investment, Identifier [Axis]: Escalent, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.70%	[15],[18]		12.70%	[15],[18]		13.45%	[11],[13]
Spread		8.00%	[15],[18]		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	[15],[18]	$ 26,114			$ 26,114
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.87%	[15],[18]		12.87%	[15],[18]		12.61%	[11],[13]
Spread		8.00%	[15],[18]		8.00%	[15],[18]		7.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 3,626
Ending balance	[15],[18]	$ 3,692			$ 3,692
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.87%	[15],[18]		12.87%	[15],[18]		12.61%	[11],[13]
Spread		8.00%	[15],[18]		8.00%	[15],[18]		7.00%	[11],[13]
PIK Rate	[15],[18]	8.00%			8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 43,373
Ending balance	[15],[18]	$ 46,914			$ 46,914
Investment, Identifier [Axis]: FCC Intermediate Holdco, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%			13.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					2,497
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					28,900
Gross Reductions					0
Ending balance		$ 28,900			28,900
Investment, Identifier [Axis]: FCC Intermediate Holdco, 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					3,920
Gross Reductions					0
Ending balance	[10]	$ 3,920			$ 3,920
Investment, Identifier [Axis]: Fidelity Government Fund
Schedule of Investments [Line Items]
Total Rate		4.60%			4.60%			5.01%
Investment, Identifier [Axis]: Fidelity Government Fund
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[43]				$ 1,678
Ending balance	[44]	$ 3,912			$ 3,912
Investment, Identifier [Axis]: Fidelity Treasury
Schedule of Investments [Line Items]
Total Rate		4.60%			4.60%			4.99%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[45]				$ 70
Ending balance	[46]	$ 944			944
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)					7,850		10,320
Amount of Interest, Fees or Dividends Credited to Income					3,231		2,478
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					27,900	[14]	17,580
Gross Additions					7,850		10,320
Gross Reductions					0		0
Ending balance		35,750	[16]	$ 27,900	35,750	[16]	$ 27,900
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread				6.50%			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							7,600
Gross Additions							60
Gross Reductions							7,660
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: Flame King Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread				9.00%			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							21,200
Gross Additions							162
Gross Reductions							21,362
Ending balance				$ 0			0
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],[35],[36]				3,012
Ending balance	[33],[37],[38]	2,384			2,384
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],[35],[36]				3,704
Ending balance	[16],[33],[37],[38]	1,893			1,893
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)					(349)		14
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		14
Gross Reductions					628		0
Ending balance		2,384		3,497	2,384		3,497
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)					193		0
Amount of Interest, Fees or Dividends Credited to Income					38		446
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,704		5,848
Gross Additions					194		0
Gross Reductions					2,005		975
Ending balance		1,893		4,873	1,893		4,873
Investment, Identifier [Axis]: Fuse, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]				0
Ending balance	[8]	$ 0			$ 0
Investment, Identifier [Axis]: Fuse, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%	[8],[16]		12.00%	[8],[16]		12.00%	[7]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]				$ 1,320
Ending balance	[8],[16]	$ 1,024			1,024
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)		3,240
Amount of Interest, Fees or Dividends Credited to Income					1,294		328
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					11,460	[14]	7,140
Gross Additions					0		3,240
Gross Reductions					920		0
Ending balance		$ 10,540	[16]	$ 10,380	$ 10,540	[16]	$ 10,380
Investment, Identifier [Axis]: GFG Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		8.00%		8.00%	8.00%		8.00%	8.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(18)		(22)
Amount of Interest, Fees or Dividends Credited to Income					576		763
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					9,345		11,345
Gross Additions					18		22
Gross Reductions					1,178		822
Ending balance		$ 8,185		$ 10,545	8,185		10,545
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					188		126
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					44,440		44,440
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 44,440	[16]	$ 44,440	$ 44,440	[16]	$ 44,440
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.35%		11.48%	11.35%		11.48%	11.48%
Spread		6.00%		6.00%	6.00%		6.00%	6.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					2		5
Amount of Interest, Fees or Dividends Credited to Income					256		113
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,400		670
Gross Additions					746		1,032
Gross Reductions					0		0
Ending balance		$ 3,146		$ 1,702	$ 3,146		$ 1,702
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.35%		13.48%	13.35%		13.48%	13.48%
Spread		8.00%		8.00%	8.00%		8.00%	8.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(35)		(35)
Amount of Interest, Fees or Dividends Credited to Income					4,184		4,022
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					40,493		40,493
Gross Additions					35		35
Gross Reductions					35		35
Ending balance		$ 40,493		$ 40,493	$ 40,493		40,493
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.64%	[15],[18],[26]		11.64%	[15],[18],[26]		11.96%	[11],[13],[47]
Spread		6.50%	[15],[18],[26]		6.50%	[15],[18],[26]		6.50%	[11],[13],[47]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[47]				$ 1,545
Ending balance	[15],[18],[26]	$ 2,091			$ 2,091
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.99%			11.99%
Spread		6.50%	[15],[18]		6.50%	[15],[18]		6.50%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]				$ (9)
Ending balance	[15],[18]	$ 10,564			$ 10,564
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.99%	[15],[18]		11.99%	[15],[18]		11.96%	[11],[13]
Spread		6.50%	[15],[18]		6.50%	[15],[18]		6.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 10,624
Ending balance	[15],[18]	$ 947			$ 947
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		11.99%	[15],[18]		11.99%	[15],[18]		11.96%	[11],[13]
Spread		6.50%	[15],[18]		6.50%	[15],[18]		6.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 952
Ending balance	[15],[18]	$ 226			$ 226
Investment, Identifier [Axis]: GS HVAM Intermediate, LLC, Secured Debt 5
Schedule of Investments [Line Items]
Total Rate		11.25%	[15],[18]		11.25%	[15],[18]		11.96%	[11],[13]
Spread		6.50%	[15],[18]		6.50%	[15],[18]		6.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 227
Ending balance	[15],[18]	$ 6,091			$ 6,091
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.08%	[15],[18],[26]		11.08%	[15],[18],[26]		11.28%	[11],[13],[48]
Spread		6.00%	[15],[18],[26]		6.00%	[15],[18],[26]		5.75%	[11],[13],[48]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[48]				$ 454
Ending balance	[15],[18],[26]	$ 677			$ 677
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.45%	[15],[18]		11.45%	[15],[18]		11.38%	[11],[13]
Spread		6.00%	[15],[18]		6.00%	[15],[18]		5.75%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 301
Ending balance	[15],[18]	$ 286			$ 286
Investment, Identifier [Axis]: GULF PACIFIC ACQUISITION, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.95%	[15],[18]		10.95%	[15],[18]		11.25%	[11],[13]
Spread		6.00%	[15],[18]		6.00%	[15],[18]		5.75%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 3,615
Ending balance	[15],[18]	$ 3,439			3,439
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)					10,660		30,720
Amount of Interest, Fees or Dividends Credited to Income					5,409		4,963
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					96,710	[14]	50,890
Gross Additions					10,660		30,720
Gross Reductions					0		0
Ending balance		$ 107,370	[16]	$ 81,610	$ 107,370	[16]	$ 81,610
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.00%	[18],[21],[23]	7.50%	7.00%	[18],[21],[23]	7.50%	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					5		5
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],[23]	$ 0	$ 0	[18],[21],[23]	$ 0
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%	[18],[23]	10.50%	10.00%	[18],[23]	10.50%	10.50%	[13],[24]
Spread		7.00%	[18],[23]	7.50%	7.00%	[18],[23]	7.50%	7.50%	[13],[24]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(78)		(99)
Amount of Interest, Fees or Dividends Credited to Income					4,023		5,185
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					54,078	[13],[24]	64,078
Gross Additions					78		99
Gross Reductions					5,678		7,699
Ending balance		$ 48,478	[18],[23]	$ 56,478	48,478	[18],[23]	56,478
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					57		25
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	$ 2,060	[16]	$ 1,580
Investment, Identifier [Axis]: Garreco, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%			12.00%	9.50%	[13],[49]
Spread		8.00%		10.00%	8.00%		10.00%	8.00%	[13],[49]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					92		315
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,088	[13],[49]	3,826
Gross Additions					0		0
Gross Reductions					3,088		738
Ending balance		$ 0		$ 3,088	0		3,088
Investment, Identifier [Axis]: Garyline, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]				706
Ending balance	[15]	$ 580			$ 580
Investment, Identifier [Axis]: Garyline, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[18],[26]	11.95%			11.95%
Spread		6.75%	[15],[18],[26]		6.75%	[15],[18],[26]		6.75%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]				$ (256)
Ending balance	[15],[18],[26]	$ 5,895			$ 5,895
Investment, Identifier [Axis]: Garyline, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.95%	[15],[18]		11.95%	[15],[18]		12.22%	[11],[13]
Spread		6.75%	[15],[18]		6.75%	[15],[18]		6.75%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 31,529
Ending balance	[15],[18]	$ 31,666			31,666
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)					6,100		1,980
Amount of Interest, Fees or Dividends Credited to Income					1,310		2,533
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					9,070	[14]	6,790
Gross Additions					6,100		1,980
Gross Reductions					0		0
Ending balance		$ 15,170	[16],[33],[34]	8,770	$ 15,170	[16],[33],[34]	8,770
Investment, Identifier [Axis]: Gulf Manufacturing, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[21],[33],[34]	7.63%			7.63%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					44
Amount of Interest, Fees or Dividends Credited to Income					120
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					0
Gross Reductions					0
Ending balance	[21],[33],[34]	$ 0			$ 0
Investment, Identifier [Axis]: Gulf Manufacturing, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[33],[34]	12.88%			12.88%
Spread	[33],[34]	7.63%			7.63%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					349
Amount of Interest, Fees or Dividends Credited to Income					4,219
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					40,000
Gross Reductions					500
Ending balance	[33],[34]	$ 39,500			39,500
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		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)		(980)
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		980
Ending balance		$ 0		$ 2,800	$ 0		$ 2,800
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		9.50%	[18],[19],[21]	9.50%	9.50%	[18],[19],[21]	9.50%	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	$ 0	[18],[19],[21]	$ 0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%	[19]	12.50%	12.50%	[19]	12.50%	12.50%
PIK Rate	[19]	12.50%			12.50%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(882)		0
Amount of Interest, Fees or Dividends Credited to Income					76		227
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,284		2,284
Gross Additions					0		0
Gross Reductions					882		0
Ending balance		$ 1,402	[19]	$ 2,284	1,402	[19]	2,284
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15]	$ 0			$ 0
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		8.75%	[15],[18]		8.75%	[15],[18]		14.34%	[11],[13],[25]
Spread		3.50%	[15],[18]		3.50%	[15],[18]		9.50%	[11],[13],[25]
PIK Rate		2.50%	[15],[18]		2.50%	[15],[18]		14.34%	[11],[13],[25]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[25]				$ 336
Ending balance	[15],[18]	$ 2,295			$ 2,295
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		2.50%	[15],[19]		2.50%	[15],[19]		14.34%	[11],[13],[25]
Spread	[11],[13],[25]							9.50%
PIK Rate		2.50%	[15],[19]		2.50%	[15],[19]		14.34%	[11],[13],[25]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[25]				$ 3,406
Ending balance	[15],[19]	$ 638			$ 638
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.50%	[15],[18],[21]		6.50%	[15],[18],[21]		6.50%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]				$ (48)
Ending balance	[15],[18],[21]	$ (38)			$ (38)
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.35%	[15],[18]		11.35%	[15],[18]		11.86%	[11],[13]
Spread		6.50%	[15],[18]		6.50%	[15],[18]		6.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 6,733
Ending balance	[15],[18]	$ 6,683			$ 6,683
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]							11.86%
Spread		6.50%	[15],[18],[21]		6.50%	[15],[18],[21]		6.50%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 16,622
Ending balance	[15],[18],[21]	$ (60)			$ (60)
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.35%			11.35%
Spread	[15],[18]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 16,495			$ 16,495
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 5
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.35%			11.35%
Spread	[15],[18]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 8,059			$ 8,059
Investment, Identifier [Axis]: HOWLCO LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.94%	[8],[18],[33],[34]		11.94%	[8],[18],[33],[34]		11.53%	[7],[13],[31],[32]
Spread		6.50%	[8],[18],[33],[34]		6.50%	[8],[18],[33],[34]		6.00%	[7],[13],[31],[32]
PIK Rate	[8],[18],[33],[34]	3.50%			3.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13],[31],[32]				$ 24,397
Ending balance	[8],[18],[33],[34]	$ 25,616			25,616
Investment, Identifier [Axis]: HPEP 3, L.P., LP Interests (423 COR, LP)
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							117
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							1,400
Gross Additions							0
Gross Reductions							0
Ending balance				1,400			1,400
Investment, Identifier [Axis]: HPEP 3, L.P., LP Interests (HPEP 3, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					247		283
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,225		4,331
Gross Additions					247		283
Gross Reductions					0		508
Ending balance		4,472		4,106	4,472		4,106
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					1,211		464
Gross Reductions					0		0
Ending balance		4,984		2,796	4,984		2,796
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					88
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			4,187
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	[33],[37],[38]	441			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],[35],[36]				315
Ending balance	[33],[37],[38]	375			375
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],[35],[36]				6,050
Ending balance	[16],[33],[37],[38]	8,896			8,896
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],[35],[36]				1,869
Ending balance	[16],[33],[37],[38]	4,187			4,187
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],[35],[36]				996
Ending balance	[33],[37],[38]	1,226			1,226
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],[35],[36]				4,225
Ending balance	[16],[33],[37],[38]	4,472			4,472
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],[35],[36]				3,773
Ending balance	[33],[37],[38]	4,984			4,984
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)					1,970		990
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,660		3,280
Gross Additions					1,970		990
Gross Reductions					0		0
Ending balance		6,630		4,270	6,630		4,270
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)					1,540		0
Amount of Interest, Fees or Dividends Credited to Income					0		196
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					17,460		17,460
Gross Additions					1,540		0
Gross Reductions					0		0
Ending balance		19,000	[16]	17,460	19,000	[16]	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)					80		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					80		0
Gross Reductions					0		0
Ending balance		$ 1,000	[28]	$ 920	$ 1,000	[28]	$ 920
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.35%	[18]	11.65%	11.35%	[18]	11.65%	11.65%	[13]
Spread		6.00%	[18]	6.00%	6.00%	[18]	6.00%	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					224		234
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,974	[13]	3,185
Gross Additions					5,945		4,581
Gross Reductions					5,361		5,967
Ending balance		$ 2,558	[18]	$ 1,799	$ 2,558	[18]	$ 1,799
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%		12.50%	12.50%		12.50%	12.50%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(41)		10
Amount of Interest, Fees or Dividends Credited to Income					4,347		3,636
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					45,256		37,800
Gross Additions					41		7,456
Gross Reductions					41		0
Ending balance		$ 45,256		$ 45,256	$ 45,256		45,256
Investment, Identifier [Axis]: Hornblower Sub, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[15],[18],[21]	5.50%			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[21]	$ (47)			$ (47)
Investment, Identifier [Axis]: Hornblower Sub, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.82%			10.82%
Spread	[15],[18]	5.50%			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 30,762			$ 30,762
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)					(10)		1,240
Amount of Interest, Fees or Dividends Credited to Income					83		51
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,340	[14]	2,400
Gross Additions					0		1,240
Gross Reductions					10		0
Ending balance		$ 3,330	[16]	$ 3,640	$ 3,330	[16]	$ 3,640
Investment, Identifier [Axis]: Houston Plating and Coatings, LLC, Unsecured Convertible Debt
Schedule of Investments [Line Items]
Total Rate		8.00%		8.00%	8.00%		8.00%	8.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					60		(120)
Amount of Interest, Fees or Dividends Credited to Income					213		182
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	$ 2,940		$ 2,880
Investment, Identifier [Axis]: Hybrid Promotions, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.84%	[15],[18]		13.84%	[15],[18]		15.91%	[11],[13]
Spread		8.25%	[15],[18]		8.25%	[15],[18]		8.25%	[11],[13]
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	[15],[18]	$ 7,200			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],[36]							20.00%
Profits, percentage (as a percent)	[31],[36]							21.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[31],[36]				$ 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%	20.00%		20.00%
Profits, percentage (as a percent)		21.75%		21.75%	21.75%		21.75%
Amount of Realized Gain/(Loss)					$ (7,107)		$ 0
Amount of Unrealized Gain/(Loss)					6,710		259
Amount of Interest, Fees or Dividends Credited to Income					429		1,725
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					13,490		11,758
Gross Additions					0		1,459
Gross Reductions					13,490		0
Ending balance		$ 0		$ 13,217	0		13,217
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)					470		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					470		15,096
Gross Reductions					0		696
Ending balance		$ 14,870		14,400	$ 14,870		14,400
Investment, Identifier [Axis]: IG Investor, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.00%			13.00%
Amount of Realized Gain/(Loss)					$ 0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					61		91
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					(35)	[12]	0
Gross Additions					1,605		763
Gross Reductions					0		800
Ending balance		$ 1,570		$ (37)	$ 1,570		$ (37)
Investment, Identifier [Axis]: IG Investor, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%	13.00%		13.00%	13.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					3,662		2,168
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					36,934		0
Gross Additions					62		37,352
Gross Reductions					1,320		0
Ending balance		$ 35,676		$ 37,352	$ 35,676		$ 37,352
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[8],[18]	10.95%			10.95%
Spread		5.75%	[8],[18]		5.75%	[8],[18]		5.75%	[7],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[12],[13]				$ 0
Ending balance	[8],[18]	$ 459			$ 459
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.70%	[8],[18]		10.70%	[8],[18]		10.96%	[7],[13]
Spread		5.75%	[8],[18]		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	[8],[18]	$ 10,154			$ 10,154
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.70%	[8],[18]		10.70%	[8],[18]		10.96%	[7],[13]
Spread		5.75%	[8],[18]		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	[8],[18]	$ 4,916			$ 4,916
Investment, Identifier [Axis]: INW Manufacturing, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.62%	[8],[18]		10.62%	[8],[18]		11.36%	[7],[13]
Spread		5.75%	[8],[18]		5.75%	[8],[18]		5.75%	[7],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]				$ 5,325
Ending balance	[8],[18]	$ 5,783			$ 5,783
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.53%	[18]		15.53%	[18]		16.59%	[13]
Spread		9.00%	[18]	9.00%	9.00%	[18]	9.00%	9.00%	[13]
PIK Rate		1.00%	[18]	2.00%	1.00%	[18]	2.00%	2.00%	[13]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					124		16
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					816	[13]	0
Gross Additions					602		0
Gross Reductions					236		11
Ending balance		$ 1,182	[18]	$ (11)	$ 1,182	[18]	$ (11)
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.53%	[18]		15.53%	[18]		16.59%	[13]
Spread		9.00%	[18]	9.00%	9.00%	[18]	9.00%	9.00%	[13]
PIK Rate		1.00%	[18]	2.00%	1.00%	[18]	2.00%	2.00%	[13]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					98		2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					697	[13]	0
Gross Additions					297		0
Gross Reductions					0		9
Ending balance		$ 994	[18]	$ (9)	$ 994	[18]	$ (9)
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		14.53%	[18]	15.40%	14.53%	[18]	15.40%	15.59%	[13]
Spread		8.00%	[18]	8.00%	8.00%	[18]	8.00%	8.00%	[13]
PIK Rate		1.00%	[18]	2.00%	1.00%	[18]	2.00%	2.00%	[13]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					711		321
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,430	[13]	0
Gross Additions					259		3,341
Gross Reductions					0		0
Ending balance		$ 3,689	[18]	$ 3,341	$ 3,689	[18]	$ 3,341
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		16.53%	[18]	17.40%	16.53%	[18]	17.40%	17.59%	[13]
Spread		10.00%	[18]	10.00%	10.00%	[18]	10.00%	10.00%	[13]
PIK Rate		1.00%	[18]	2.00%	1.00%	[18]	2.00%	2.00%	[13]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					778		345
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,430	[13]	0
Gross Additions					259		3,341
Gross Reductions					0		0
Ending balance		$ 3,689	[18]	$ 3,341	3,689	[18]	3,341
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)					1,189		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					1,189		2,091
Gross Reductions					0		0
Ending balance		3,280	[10]	2,091	3,280	[10]	2,091
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	[15]	$ 1,080			$ 1,080
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.08%	[15],[18],[26]		12.08%	[15],[18],[26]		12.41%	[11],[13],[50]
Spread		7.00%	[15],[18],[26]		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	[15],[18],[26]	$ 1,186			$ 1,186
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.62%	[15],[18]		11.62%	[15],[18]		12.45%	[11],[13]
Spread		7.00%	[15],[18]		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	[15],[18]	$ 20,611			$ 20,611
Investment, Identifier [Axis]: Implus Footcare, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.01%	[15],[18]		14.01%	[15],[18]		14.25%	[11],[13]
Spread		9.25%	[15],[18]		9.25%	[15],[18]		7.75%	[11],[13]
PIK Rate		1.50%	[15],[18]		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],[18]	$ 17,494			17,494
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		(790)
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		790
Ending balance		20,390	[15]	17,510	20,390	[15]	17,510
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
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
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
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
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
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)					2,452		0
Amount of Interest, Fees or Dividends Credited to Income					622		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,000		0
Gross Additions					2,820		4,000
Gross Reductions					0		0
Ending balance		$ 6,820	[16]	$ 4,000	$ 6,820	[16]	$ 4,000
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%		13.00%	12.00%		13.00%	13.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					1,625		1,391
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					17,403		0
Gross Additions					42		17,843
Gross Reductions					2,275		225
Ending balance		$ 15,170		$ 17,618	15,170		17,618
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
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
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	[15]	$ 370			$ 370
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.25%	[15],[18],[21]		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	[15],[18],[21]	$ (58)			$ (58)
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Spread		6.25%	[15],[18],[21]		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	[15],[18],[21]	$ (49)			$ (49)
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.53%	[15],[18]		11.53%	[15],[18]		11.65%	[11],[13]
Spread		6.25%	[15],[18]		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	[15],[18]	$ 13,557			13,557
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	[15]	$ 10			$ 10
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.03%	[15],[18],[26]		13.03%	[15],[18],[26]		13.53%	[11],[13],[52]
Spread		8.00%	[15],[18],[26]		8.00%	[15],[18],[26]		8.00%	[11],[13],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[52]				$ 776
Ending balance	[15],[18],[26]	$ 711			$ 711
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.27%	[15],[18]		13.27%	[15],[18]		13.55%	[11],[13]
Spread		8.00%	[15],[18]		8.00%	[15],[18]		8.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 7,177
Ending balance	[15],[18]	$ 6,531			$ 6,531
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.27%	[15],[18]		13.27%	[15],[18]		13.55%	[11],[13]
Spread		8.00%	[15],[18]		8.00%	[15],[18]		8.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 2,887
Ending balance	[15],[18]	$ 2,627			2,627
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		(990)
Amount of Interest, Fees or Dividends Credited to Income					32		32
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					160	[11]	1,280
Gross Additions					390		0
Gross Reductions					0		990
Ending balance		$ 550	[15]	$ 290	$ 550	[15]	$ 290
Investment, Identifier [Axis]: Integral Energy Services, Preferred Equity
Schedule of Investments [Line Items]
Total Rate		10.00%	[15],[16]		10.00%	[15],[16]		10.00%	[11]
PIK Rate		10.00%	[15],[16]		10.00%	[15],[16]		10.00%	[11]
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					125
Amount of Interest, Fees or Dividends Credited to Income					21
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11]				300
Gross Additions					146
Gross Reductions					0
Ending balance	[15],[16]	$ 446			$ 446
Investment, Identifier [Axis]: Integral Energy Services, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.09%	[15],[18]	13.01%	13.09%	[15],[18]	13.01%	13.16%	[11],[13]
Spread		7.50%	[15],[18]	7.50%	7.50%	[15],[18]	7.50%	7.50%	[11],[13]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					232		(750)
Amount of Interest, Fees or Dividends Credited to Income					1,400		1,578
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					13,891	[11],[13]	15,769
Gross Additions					295		50
Gross Reductions					1,571		750
Ending balance		$ 12,615	[15],[18]	$ 15,069	12,615	[15],[18]	15,069
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	[15]	$ 0			$ 0
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.06%	[15],[17],[26]		15.06%	[15],[17],[26]		15.48%	[11],[25],[53]
Spread		10.00%	[15],[17],[26]		10.00%	[15],[17],[26]		10.00%	[11],[25],[53]
PIK Rate	[15],[17],[26]	15.22%			15.22%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[25],[53]				$ 1,781
Ending balance	[15],[17],[26]	$ 1,842			$ 1,842
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.35%	[15],[17],[18],[19]		12.35%	[15],[17],[18],[19]		12.46%	[11],[13],[20],[25]
Spread		7.00%	[15],[17],[18],[19]		7.00%	[15],[17],[18],[19]		7.00%	[11],[13],[20],[25]
PIK Rate		12.35%	[15],[17],[18],[19]		12.35%	[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	[15],[17],[18],[19]	$ 11			11
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
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.29%	[15],[18],[26]		11.29%	[15],[18],[26]		12.00%	[11],[13]
Spread		6.50%	[15],[18],[26]		6.50%	[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	[15],[18],[26]	$ 991			$ 991
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.25%	[15],[18]		11.25%	[15],[18]		12.00%	[11],[13]
Spread		6.50%	[15],[18]		6.50%	[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	[15],[18]	$ 16,070			16,070
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		74
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		1,032
Gross Reductions					0		0
Ending balance		$ 2,850		$ 2,830	$ 2,850		$ 2,830
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Preferred Equity
Schedule of Investments [Line Items]
Total Rate		25.00%			25.00%
PIK Rate		25.00%			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			$ 760
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.00%		13.50%	13.00%		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					465		465
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,487		4,500
Gross Additions					5		5
Gross Reductions					0		20
Ending balance		$ 4,492		$ 4,485	$ 4,492		$ 4,485
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%		13.50%	13.00%		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					303		323
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,922		3,130
Gross Additions					4		4
Gross Reductions					0		14
Ending balance		$ 2,926		$ 3,120	$ 2,926		$ 3,120
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.00%		13.50%	13.00%		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					911		908
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		$ 8,944
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		13.00%		13.50%	13.00%		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					1,962		2,021
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					19,503		19,559
Gross Additions					33		25
Gross Reductions					2,000		88
Ending balance		$ 17,536		$ 19,496	$ 17,536		$ 19,496
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 5
Schedule of Investments [Line Items]
Total Rate		13.00%		13.50%	13.00%		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					1,111		1,298
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					10,273		0
Gross Additions					64		10,887
Gross Reductions					480		438
Ending balance		$ 9,857		$ 10,449	9,857		10,449
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	[8]	$ 0			$ 0
Investment, Identifier [Axis]: Isagenix International, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.89%	[8],[18]		11.89%	[8],[18]		11.04%	[7],[13]
Spread		6.60%	[8],[18]		6.60%	[8],[18]		5.50%	[7],[13]
PIK Rate		9.43%	[8],[18]		9.43%	[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	[8],[18]	$ 850			$ 850
Investment, Identifier [Axis]: Island Pump and Tank, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[15],[18],[21]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[21]	$ (6)			$ (6)
Investment, Identifier [Axis]: Island Pump and Tank, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.09%			11.09%
Spread	[15],[18]	5.50%			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 1,686			$ 1,686
Investment, Identifier [Axis]: Island Pump and Tank, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18]	12.09%			12.09%
Spread	[15],[18]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 1,686			$ 1,686
Investment, Identifier [Axis]: Island Pump and Tank, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[15],[18]	13.09%			13.09%
Spread	[15],[18]	7.50%			7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 1,686			$ 1,686
Investment, Identifier [Axis]: JDC Power Services, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[15],[18],[21]	6.75%			6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[21]	$ (171)			$ (171)
Investment, Identifier [Axis]: JDC Power Services, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.35%			11.35%
Spread	[15],[18]	6.75%			6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 58,912			$ 58,912
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	[15]	$ 210			$ 210
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.37%	[15],[18],[26]		13.37%	[15],[18],[26]		11.64%	[11],[13],[54]
Spread		8.00%	[15],[18],[26]		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	[15],[18],[26]	$ 7,972			$ 7,972
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.85%	[15],[18]		12.85%	[15],[18]		11.61%	[11],[13]
Spread		8.00%	[15],[18]		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	[15],[18]	$ 33,846			$ 33,846
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18]	12.85%			12.85%
Spread	[15],[18]	8.00%			8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 3,168			$ 3,168
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	[15]	$ 870			$ 870
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.86%	[15],[18],[55]		12.86%	[15],[18],[55]		12.46%	[11],[13],[56]
Spread		7.50%	[15],[18],[55]		7.50%	[15],[18],[55]		7.00%	[11],[13],[56]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[56]				$ 835
Ending balance	[15],[18],[55]	$ 803			$ 803
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.28%	[15],[18],[55]		15.28%	[15],[18],[55]		12.46%	[11],[13]
Spread		10.00%	[15],[18],[55]		10.00%	[15],[18],[55]		7.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 1,974
Ending balance	[15],[18],[55]	$ 627			$ 627
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18]	12.90%			12.90%
Spread	[15],[18]	7.50%			7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 1,869			$ 1,869
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					1,082		983
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	$ 11,820	[16]	$ 12,420
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.75%	[18],[21]	6.75%	6.75%	[18],[21]	6.75%	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	$ 0	[18],[21]	$ 0
Investment, Identifier [Axis]: Jensen Jewelers of Idaho, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.25%	[18]	15.25%	15.25%	[18]	15.25%	15.25%	[13],[25]
Spread		6.75%	[18]	6.75%	6.75%	[18]	6.75%	6.75%	[13],[25]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		(5)
Amount of Interest, Fees or Dividends Credited to Income					219		278
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,998	[13],[25]	2,450
Gross Additions					0		5
Gross Reductions					348		455
Ending balance		$ 1,650	[18]	$ 2,000	1,650	[18]	2,000
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning 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			0
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Common Stock 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8]	$ 200			$ 200
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		21.59%	[8],[17],[18],[19]		21.59%	[8],[17],[18],[19]		23.63%	[7],[13],[20]
Spread		16.00%	[8],[17],[18],[19]		16.00%	[8],[17],[18],[19]		18.00%	[7],[13],[20]
PIK Rate		21.59%	[8],[17],[18],[19]		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	[8],[17],[18],[19]	$ 0			$ 0
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		21.59%	[8],[17],[18],[19]		21.59%	[8],[17],[18],[19]		21.63%	[7],[13],[20]
Spread		16.00%	[8],[17],[18],[19]		16.00%	[8],[17],[18],[19]		16.00%	[7],[13],[20]
PIK Rate		21.59%	[8],[17],[18],[19]		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	[8],[17],[18],[19]	$ 0			$ 0
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.45%	[8],[18]		13.45%	[8],[18]		21.63%	[7],[13],[20]
Spread		8.75%	[8],[18]		8.75%	[8],[18]		16.00%	[7],[13],[20]
PIK Rate		6.00%	[8],[18]		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	[8],[18]	$ 2,006			$ 2,006
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[8],[18]	13.45%			13.45%
Spread	[8],[18]	8.75%			8.75%
PIK Rate	[8],[18]	13.45%			13.45%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8],[18]	$ 1,270			$ 1,270
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)					4,680		2,120
Amount of Interest, Fees or Dividends Credited to Income					805		253
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					9,620		5,540
Gross Additions					4,680		2,120
Gross Reductions					0		0
Ending balance		14,300		$ 7,660	14,300		$ 7,660
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread				11.50%			11.50%
Amount of Realized Gain/(Loss)					0		$ 0
Amount of Unrealized Gain/(Loss)					(5)		(3)
Amount of Interest, Fees or Dividends Credited to Income					18		10
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[12]	0
Gross Additions					5		3
Gross Reductions					5		3
Ending balance		$ 0		$ 0	$ 0		$ 0
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.00%		16.98%	15.00%		16.98%	15.00%
Spread				11.50%			11.50%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(41)		(19)
Amount of Interest, Fees or Dividends Credited to Income					2,665		1,247
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					24,207		9,999
Gross Additions					41		19
Gross Reductions					2,741		661
Ending balance		$ 21,507		$ 9,357	21,507		9,357
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)					287		0
Amount of Interest, Fees or Dividends Credited to Income					752		704
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					10,741	[14]	10,741
Gross Additions					539		0
Gross Reductions					0		0
Ending balance		$ 11,280	[16]	$ 10,741	$ 11,280	[16]	$ 10,741
Investment, Identifier [Axis]: JorVet Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%	12.00%		12.00%	12.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					2,360		2,373
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					25,483		25,432
Gross Additions					43		38
Gross Reductions					899		0
Ending balance		$ 24,627		$ 25,470	24,627		25,470
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)					2,050		2,800
Amount of Interest, Fees or Dividends Credited to Income					1,906		7,696
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					22,770	[14]	15,570
Gross Additions					2,050		2,800
Gross Reductions					0		0
Ending balance		$ 24,820	[16]	$ 18,370	$ 24,820	[16]	$ 18,370
Investment, Identifier [Axis]: KBK Industries, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		9.00%		9.00%	9.00%		9.00%	9.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(11)		44
Amount of Interest, Fees or Dividends Credited to Income					313		444
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,700		0
Gross Additions					11		6,000
Gross Reductions					711		900
Ending balance		$ 4,000		$ 5,100	$ 4,000		5,100
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.50%	[15],[18],[19]		14.50%	[15],[18],[19]		14.75%	[11],[13]
Spread		9.75%	[15],[18],[19]		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	[15],[18],[19]	$ 773			$ 773
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.50%	[15],[18],[19]		14.50%	[15],[18],[19]		14.75%	[11],[13]
Spread		9.75%	[15],[18],[19]		9.75%	[15],[18],[19]		9.25%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 6,782
Ending balance	[15],[18],[19]	$ 5,573			5,573
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)					(240)		10
Amount of Interest, Fees or Dividends Credited to Income					95		91
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,730	[27]	2,850
Gross Additions					0		10
Gross Reductions					240		0
Ending balance		2,490	[16],[28]	2,860	2,490	[16],[28]	2,860
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		1,610
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					9,690		7,220
Gross Additions					2,550		1,610
Gross Reductions					0		0
Ending balance		$ 12,240		$ 8,830	$ 12,240		$ 8,830
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%	12.00%		12.00%	12.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					1,698		2,033
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					19,774		20,374
Gross Additions					10		198
Gross Reductions					3,200		800
Ending balance		$ 16,584		$ 19,772	$ 16,584		$ 19,772
Investment, Identifier [Axis]: Kickhaefer Manufacturing Company, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.00%		9.00%	9.00%		9.00%	9.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					264		262
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,805		3,842
Gross Additions					164		1
Gross Reductions					32		29
Ending balance		$ 3,937		$ 3,814	3,937		3,814
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],[35],[36]				2,988
Ending balance	[16],[33],[37],[38]	$ 3,199			$ 3,199
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.43%	[15],[18]		12.43%	[15],[18]		12.71%	[11],[13]
Spread		7.25%	[15],[18]		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	[15],[18]	$ 991			$ 991
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.60%	[15],[18]		12.60%	[15],[18]		12.71%	[11],[13]
Spread		7.25%	[15],[18]		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	[15],[18]	$ 8,599			$ 8,599
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.60%	[15],[18]		12.60%	[15],[18]		12.71%	[11],[13]
Spread		7.25%	[15],[18]		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	[15],[18]	$ 5,498			$ 5,498
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.60%	[15],[18]		12.60%	[15],[18]		12.71%	[11],[13]
Spread		7.25%	[15],[18]		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	[15],[18]	$ 2,885			$ 2,885
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 5
Schedule of Investments [Line Items]
Total Rate		12.60%	[15],[18]		12.60%	[15],[18]		12.71%	[11],[13]
Spread		7.25%	[15],[18]		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	[15],[18]	$ 1,121			$ 1,121
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 6
Schedule of Investments [Line Items]
Total Rate	[15],[18]	12.60%			12.60%
Spread	[15],[18]	7.25%			7.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 11,354			$ 11,354
Investment, Identifier [Axis]: LLFlex, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.48%	[15],[18]		13.48%	[15],[18]		15.54%	[11],[13]
Spread		8.00%	[15],[18]		8.00%	[15],[18]		9.00%	[11],[13]
PIK Rate		3.00%	[15],[18]		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	[15],[18]	$ 3,352			$ 3,352
Investment, Identifier [Axis]: Lightbox Holdings, L.P., Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.11%	[8]		10.11%	[8]		10.62%	[7]
Spread		5.00%	[8]		5.00%	[8]		5.00%	[7]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]				$ 13,895
Ending balance	[8]	$ 15,099			$ 15,099
Investment, Identifier [Axis]: Logix Acquisition Company, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.25%	[15],[18]		13.25%	[15],[18]		13.25%	[11],[13]
Spread		4.75%	[15],[18]		4.75%	[15],[18]		4.75%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 18,778
Ending balance	[15],[18]	$ 18,421			18,421
Investment, Identifier [Axis]: Looking Glass Investments, LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[31],[36]				25
Ending balance	[33],[38]	25			25
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
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
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
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
Investment, Identifier [Axis]: MH Corbin Holding LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(330)		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					0		330
Gross Reductions					330		0
Ending balance		0		330	0		330
Investment, Identifier [Axis]: MH Corbin Holding LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0		0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 0		$ 0	$ 0		$ 0
Investment, Identifier [Axis]: MH Corbin Holding LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.00%		13.00%	14.00%		13.00%	13.00%	[25]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(3,482)		1,229
Amount of Interest, Fees or Dividends Credited to Income					557		581
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					5,022	[25]	4,548
Gross Additions					0		1,229
Gross Reductions					3,642		675
Ending balance		$ 1,380		$ 5,102	1,380		5,102
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)					(248)		(306)
Amount of Interest, Fees or Dividends Credited to Income					1,455		1,240
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					14,527	[14],[31],[35],[36]	14,833
Gross Additions					0		0
Gross Reductions					248		306
Ending balance		14,279	[16],[33],[37],[38]	14,527	14,279	[16],[33],[37],[38]	14,527
Investment, Identifier [Axis]: MS Private Loan Fund I, LP, Secured Debt
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					44
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[12],[31],[36]				0
Gross Additions					16,500
Gross Reductions					16,500
Ending balance	[21],[33],[38]	0			0
Investment, Identifier [Axis]: MS Private Loan Fund I, LP, 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							19
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]: MS Private Loan Fund I, LP, Secured Debt 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							0
Gross Reductions							0
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: MS Private Loan Fund II, LP, LP Interests
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					252
Amount of Interest, Fees or Dividends Credited to Income					194
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[31],[35],[36]				1,561
Gross Additions					6,140
Gross Reductions					0
Ending balance	[16],[33],[37],[38]	$ 7,701			$ 7,701
Investment, Identifier [Axis]: MS Private Loan Fund II, LP, Secured Debt
Schedule of Investments [Line Items]
Total Rate		8.75%	[18],[33],[38]		8.75%	[18],[33],[38]		8.88%	[13],[31],[36]
Spread		3.50%	[18],[33],[38]		3.50%	[18],[33],[38]		3.50%	[13],[31],[36]
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					2,544
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[13],[31],[36]				23,367
Gross Additions					42,060
Gross Reductions					32,000
Ending balance	[18],[33],[38]	$ 33,427			33,427
Investment, Identifier [Axis]: MS Private Loan Fund II, LP, Secured Debt
Schedule of Investments [Line Items]
Total Rate				8.88%			8.88%
Spread				3.50%			3.50%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							72
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							10,848
Gross Reductions							0
Ending balance				$ 10,848			10,848
Investment, Identifier [Axis]: MS Private Loan Fund II, LP,LP Interests
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							1,152
Gross Reductions							0
Ending balance				1,152			1,152
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)					44,307		23,201
Amount of Interest, Fees or Dividends Credited to Income					8,862		8,085
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					174,063	[14],[57]	122,930
Gross Additions					44,307		23,201
Gross Reductions					0		0
Ending balance		218,370	[16],[58]	146,131	218,370	[16],[58]	146,131
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)					(271)		61
Amount of Interest, Fees or Dividends Credited to Income					1,259		93
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					10,025	[14],[31],[36]	753
Gross Additions					7,000		5,561
Gross Reductions					271		0
Ending balance		$ 16,754	[16],[33],[38]	6,314	$ 16,754	[16],[33],[38]	6,314
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.50%	[15],[18],[21]		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	[15],[18],[21]	$ 0			$ 0
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.59%	[15],[18]		12.59%	[15],[18]		12.28%	[11],[13]
Spread		7.50%	[15],[18]		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	[15],[18]	$ 19,100			19,100
Investment, Identifier [Axis]: Market Force Information, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							(16,642)
Amount of Unrealized Gain/(Loss)							16,642
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							16,642
Gross Reductions							16,642
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread				11.00%			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							6,090
Gross Additions							804
Gross Reductions							6,894
Ending balance				$ 0			0
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt 2
Schedule of Investments [Line Items]
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							1,610
Gross Additions							24,342
Gross Reductions							25,952
Ending balance				0			0
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							(137)
Amount of Interest, Fees or Dividends Credited to Income							821
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							1,537
Gross Additions							0
Gross Reductions							137
Ending balance				$ 1,400			$ 1,400
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Preferred Equity
Schedule of Investments [Line Items]
Total Rate				8.00%			8.00%
PIK Rate				8.00%			8.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							237
Amount of Interest, Fees or Dividends Credited to Income							148
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							6,010
Gross Additions							354
Gross Reductions							0
Ending balance				$ 6,364			6,364
Investment, Identifier [Axis]: MetalForming AcquireCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							8
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]: MetalForming AcquireCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				12.75%			12.75%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							2,305
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							23,576
Gross Additions							35
Gross Reductions							0
Ending balance				$ 23,611			23,611
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					2,480
Amount of Interest, Fees or Dividends Credited to Income					481
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,500
Gross Additions					2,480
Gross Reductions					0
Ending balance		$ 3,980			$ 3,980
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Total Rate		8.00%	[16]		8.00%	[16]		8.00%	[14]
PIK Rate		8.00%	[16]		8.00%	[16]		8.00%	[14]
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					355
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				6,035
Gross Additions					355
Gross Reductions					119
Ending balance	[16]	$ 6,271			6,271
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					9
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[12]				0
Gross Additions					0
Gross Reductions					14
Ending balance	[21]	$ (14)			$ (14)
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.75%			10.75%			12.75%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					2,004
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					23,623
Gross Additions					42
Gross Reductions					1,146
Ending balance		$ 22,519			$ 22,519
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[15],[18],[21]		6.00%	[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	[15],[18],[21]	$ (42)			$ (42)
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.95%	[15],[18]		10.95%	[15],[18]		11.46%	[11],[13]
Spread		6.00%	[15],[18]		6.00%	[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	[15],[18]	$ 20,728			$ 20,728
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.56%	[15],[18]		12.56%	[15],[18]		12.52%	[11],[13]
Spread		7.00%	[15],[18]		7.00%	[15],[18]		7.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 17,524
Ending balance	[15],[18]	$ 20,128			20,128
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	[15]	$ 460			$ 460
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[18],[26]	11.37%			11.37%
Spread		6.25%	[15],[18],[26]		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	[15],[18],[26]	$ 1,494			$ 1,494
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18],[55]	11.33%			11.33%
Spread		6.25%	[15],[18],[55]		6.25%	[15],[18],[55]		6.25%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]				$ (16)
Ending balance	[15],[18],[55]	$ 1,318			$ 1,318
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.31%	[15],[18]		10.31%	[15],[18]		10.64%	[11],[13]
Spread		5.25%	[15],[18]		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	[15],[18]	$ 4,917			$ 4,917
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.31%	[15],[18]		12.31%	[15],[18]		12.64%	[11],[13]
Spread		7.25%	[15],[18]		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	[15],[18]	$ 4,917			$ 4,917
Investment, Identifier [Axis]: MoneyThumb Acquisition, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		12.00%			12.00%
PIK Rate		12.00%			12.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					23
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					1,656
Gross Reductions					0
Ending balance		$ 1,656			$ 1,656
Investment, Identifier [Axis]: MoneyThumb Acquisition, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Total Rate	[16]	12.00%			12.00%
PIK Rate	[16]	12.00%			12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[16]	$ 1,656			$ 1,656
Investment, Identifier [Axis]: MoneyThumb Acquisition, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.00%			14.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					375
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					8,933
Gross Reductions					0
Ending balance		$ 8,933			8,933
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	[10]	594			594
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	[15],[33],[34]	$ 732			$ 732
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.00%	[15],[33],[34]		14.00%	[15],[33],[34]		14.00%	[11],[31],[32]
PIK Rate		4.00%	[15],[33],[34]		4.00%	[15],[33],[34]		4.00%	[11],[31],[32]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[31],[32]				$ 3,938
Ending balance	[15],[33],[34]	$ 4,105			$ 4,105
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.00%	[15],[33],[34]		14.00%	[15],[33],[34]		14.00%	[11],[31],[32]
PIK Rate		4.00%	[15],[33],[34]		4.00%	[15],[33],[34]		4.00%	[11],[31],[32]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[31],[32]				$ 11,164
Ending balance	[15],[33],[34]	$ 11,637			$ 11,637
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		14.00%	[15],[33],[34]		14.00%	[15],[33],[34]		14.00%	[11],[31],[32]
PIK Rate		4.00%	[15],[33],[34]		4.00%	[15],[33],[34]		4.00%	[11],[31],[32]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[31],[32]				$ 17,213
Ending balance	[15],[33],[34]	$ 17,742			$ 17,742
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Unsecured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[33],[34]	8.00%			8.00%
PIK Rate	[15],[33],[34]	8.00%			8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[33],[34]	$ 112			$ 112
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Unsecured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[33],[34]	8.00%			8.00%
PIK Rate	[15],[33],[34]	8.00%			8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[33],[34]	$ 55			$ 55
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Unsecured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[33],[34]	8.00%			8.00%
PIK Rate	[15],[33],[34]	8.00%			8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[33],[34]	$ 105			$ 105
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)					(290)		4,320
Amount of Interest, Fees or Dividends Credited to Income					2,941		3,142
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					26,390	[14]	22,830
Gross Additions					0		4,320
Gross Reductions					290		0
Ending balance		26,100	[16]	27,150	26,100	[16]	27,150
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					3		3
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	$ 0	[21]	$ 0
Investment, Identifier [Axis]: Mystic Logistics Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%	10.00%		10.00%	10.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					16		0
Amount of Interest, Fees or Dividends Credited to Income					441		436
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		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)					(1,980)		330
Amount of Interest, Fees or Dividends Credited to Income					95		(189)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					11,730		11,830
Gross Additions					0		330
Gross Reductions					1,980		0
Ending balance		9,750	[16]	12,160	9,750	[16]	12,160
Investment, Identifier [Axis]: NBG Acquisition Inc, Secured Debt
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[20]				115
Investment, Identifier [Axis]: NRP Jones, LLC, Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							(2,265)
Amount of Interest, Fees or Dividends Credited to Income							36
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					53		4,615
Gross Additions							0
Gross Reductions							2,265
Ending balance		75		2,350	75		2,350
Investment, Identifier [Axis]: NRP Jones, LLC, Member Units 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					538
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,466
Gross Additions					538
Gross Reductions					0
Ending balance		2,004			2,004
Investment, Identifier [Axis]: NRP Jones, LLC, Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							(86)
Amount of Interest, Fees or Dividends Credited to Income							(2)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,466	[14]	175
Gross Additions							0
Gross Reductions							85
Ending balance		2,004		$ 90	2,004		$ 90
Investment, Identifier [Axis]: NRP Jones, LLC, Member Units 2.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					22
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					53
Gross Additions					22
Gross Reductions					0
Ending balance		$ 75			$ 75
Investment, Identifier [Axis]: NRP Jones, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%	12.00%		12.00%	12.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					190		189
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,080		2,080
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 2,080		$ 2,080	2,080		2,080
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)					9,620		6,730
Amount of Interest, Fees or Dividends Credited to Income					674		591
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					15,020	[14]	7,700
Gross Additions					9,620		6,730
Gross Reductions					0		0
Ending balance		$ 24,640	[16]	$ 14,430	$ 24,640	[16]	$ 14,430
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[18]	12.35%			12.35%
Spread		7.00%	[18]	7.00%	7.00%	[18]	7.00%	7.00%	[12],[13]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					8		0
Amount of Interest, Fees or Dividends Credited to Income					61		7
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[12],[13]	0
Gross Additions					1,250		0
Gross Reductions					0		0
Ending balance		$ 1,250	[18]	$ 0	$ 1,250	[18]	$ 0
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%		12.00%	12.50%		12.00%	12.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							14
Amount of Interest, Fees or Dividends Credited to Income							2,104
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 25,794		20,094
Gross Additions							5,700
Gross Reductions							0
Ending balance		$ 650		$ 25,794	650		$ 25,794
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			$ 0
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.50%		12.00%	12.50%		12.00%	12.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(16)
Amount of Interest, Fees or Dividends Credited to Income							972
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 10,500		10,500
Gross Additions							16
Gross Reductions							16
Ending balance		$ 62,200		$ 10,500	62,200		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			$ 0
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.50%			12.50%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					127
Amount of Interest, Fees or Dividends Credited to Income					3,460
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			$ 62,200
Investment, Identifier [Axis]: Nebraska Vet AcquireCo, LLC, Secured Debt 5
Schedule of Investments [Line Items]
Total Rate		12.50%			12.50%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					181
Amount of Interest, Fees or Dividends Credited to Income					153
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					650
Gross Reductions					0
Ending balance		$ 650			650
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)					0
Amount of Interest, Fees or Dividends Credited to Income					220
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					12,120
Gross Reductions					0
Ending balance	[16]	$ 12,120			$ 12,120
Investment, Identifier [Axis]: Nello Industries Investco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[18]	11.75%			11.75%
Spread	[18]	6.50%			6.50%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					526
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					16,774
Gross Reductions					2,400
Ending balance	[18]	$ 14,374			$ 14,374
Investment, Identifier [Axis]: Nello Industries Investco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.50%			13.50%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					1,684
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					26,945
Gross Reductions					0
Ending balance		$ 26,945			26,945
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)					3,500		5,240
Amount of Interest, Fees or Dividends Credited to Income					645		171
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					6,350	[14]	1,110
Gross Additions					3,500		5,240
Gross Reductions					0		0
Ending balance		$ 9,850	[16]	6,350	$ 9,850	[16]	6,350
Investment, Identifier [Axis]: NexRev 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)					0		0
Amount of Interest, Fees or Dividends Credited to Income					98		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[12]	0
Gross Additions					3,160		0
Gross Reductions					1,200		0
Ending balance		$ 1,960		$ 0	$ 1,960		$ 0
Investment, Identifier [Axis]: NexRev LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%		10.00%	10.00%		10.00%	10.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					21		2,857
Amount of Interest, Fees or Dividends Credited to Income					785		880
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					9,751		8,477
Gross Additions					60		2,914
Gross Reductions					0		1,653
Ending balance		$ 9,811		$ 9,738	$ 9,811		9,738
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.50%	[15],[18],[21]		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	[15],[18],[21]	$ (7)			$ (7)
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.98%			11.98%
Spread		6.50%	[15],[18]		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	[15],[18]	$ 28,424			28,424
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
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
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							1,200
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					5,150		8,040
Gross Additions							1,200
Gross Reductions							0
Ending balance		5,760		9,240	5,760		9,240
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					390
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					9,240
Gross Additions					1,420
Gross Reductions					0
Ending balance		10,660			10,660
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					9,240		5,150
Gross Additions							0
Gross Reductions							0
Ending balance		10,660		$ 5,150	10,660		$ 5,150
Investment, Identifier [Axis]: NuStep, LLC, Preferred Member Units 2.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					90
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					5,150
Gross Additions					610
Gross Reductions					0
Ending balance		$ 5,760			$ 5,760
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.85%	[18]	11.98%	11.85%	[18]	11.98%	11.98%	[13]
Spread		6.50%	[18]	6.50%	6.50%	[18]	6.50%	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					332		364
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		800
Ending balance		$ 3,600	[18]	$ 3,599	$ 3,600	[18]	$ 3,599
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%	12.00%		12.00%	12.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					1,693		1,687
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					18,426		18,414
Gross Additions					10		9
Gross Reductions					0		0
Ending balance		$ 18,436		$ 18,423	18,436		18,423
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)					22,160		9,820
Amount of Interest, Fees or Dividends Credited to Income					4,275		2,025
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					36,380	[14]	22,810
Gross Additions					22,160		9,820
Gross Reductions					0		0
Ending balance		$ 58,540	[16]	$ 32,630	$ 58,540	[16]	$ 32,630
Investment, Identifier [Axis]: OMi Topco, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%	12.00%		12.00%	12.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(30)		(37)
Amount of Interest, Fees or Dividends Credited to Income					1,116		1,400
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					12,750		15,750
Gross Additions					30		37
Gross Reductions					2,780		2,287
Ending balance		$ 10,000		$ 13,500	10,000		13,500
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
Investment, Identifier [Axis]: Obra Capital, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[15],[18],[21]	7.50%			7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[21]	$ (4)			$ (4)
Investment, Identifier [Axis]: Obra Capital, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	12.53%			12.53%
Spread	[15],[18]	7.50%			7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 25,330			$ 25,330
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		$ 0
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Preferred Stock
Schedule of Investments [Line Items]
Total Rate		7.00%		7.00%	7.00%		7.00%	7.00%
PIK Rate		7.00%		7.00%	7.00%		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		$ 0
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%	[19]	12.00%	12.00%	[19]	12.00%	12.00%	[20]
PIK Rate		12.00%	[19]	12.00%	12.00%	[19]	12.00%	12.00%	[20]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(196)
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 1,493	[20]	569
Gross Additions							0
Gross Reductions							197
Ending balance		$ 793	[19]	$ 372	$ 793	[19]	$ 372
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
Amount of Unrealized Gain/(Loss)					(153)
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					326
Gross Additions					0
Gross Reductions					153
Ending balance		$ 173			$ 173
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%	[19]	12.00%	12.00%	[19]	12.00%	12.00%	[20]
PIK Rate		12.00%	[19]	12.00%	12.00%	[19]	12.00%	12.00%	[20]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(200)
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 716	[20]	580
Gross Additions							0
Gross Reductions							200
Ending balance		$ 380	[19]	$ 380	$ 380	[19]	$ 380
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
Amount of Unrealized Gain/(Loss)					(156)
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					332
Gross Additions					0
Gross Reductions					155
Ending balance		$ 177			$ 177
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.00%	[19]	12.00%	12.00%	[19]	12.00%	12.00%	[20]
PIK Rate		12.00%	[19]	12.00%	12.00%	[19]	12.00%	12.00%	[20]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(431)
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 332	[20]	1,249
Gross Additions							0
Gross Reductions							431
Ending balance		$ 177	[19]	$ 818	$ 177	[19]	$ 818
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
Amount of Unrealized Gain/(Loss)					(335)
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					716
Gross Additions					0
Gross Reductions					336
Ending balance		$ 380			$ 380
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.00%	[19]	12.00%	12.00%	[19]	12.00%	12.00%	[20]
PIK Rate		12.00%	[19]	12.00%	12.00%	[19]	12.00%	12.00%	[20]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(900)
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 326	[20]	2,606
Gross Additions							0
Gross Reductions							900
Ending balance		$ 173	[19]	$ 1,706	$ 173	[19]	$ 1,706
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
Amount of Unrealized Gain/(Loss)					(700)
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,493
Gross Additions					0
Gross Reductions					700
Ending balance		$ 793			$ 793
Investment, Identifier [Axis]: OnAsset Intelligence, Inc., Unsecured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%	[19]	10.00%	10.00%	[19]	10.00%	10.00%	[20]
PIK Rate		10.00%	[19]	10.00%	10.00%	[19]	10.00%	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	305	[19]	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	$ 0	[10]	0
Investment, Identifier [Axis]: OnPoint, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.60%			11.60%
Spread	[15],[18]	7.00%			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 3,848			$ 3,848
Investment, Identifier [Axis]: Oneliance, LLC, Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					1,082		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					1,128		1,056
Gross Additions					1,082		72
Gross Reductions					0		0
Ending balance		$ 2,210		$ 1,128	$ 2,210		$ 1,128
Investment, Identifier [Axis]: Oneliance, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		10.00%		11.00%	10.00%		11.00%	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	$ 0		$ 0
Investment, Identifier [Axis]: Oneliance, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				16.48%			16.48%	16.48%	[13]
Spread		10.00%		11.00%	10.00%		11.00%	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		681
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					5,350	[13]	5,559
Gross Additions					90		9
Gross Reductions					5,440		141
Ending balance		$ 0		$ 5,427	0		5,427
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)					(2,370)		5,300
Amount of Interest, Fees or Dividends Credited to Income					388		909
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					2,370		0
Ending balance		$ 14,680	[16],[28]	$ 17,050	$ 14,680	[16],[28]	$ 17,050
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		11.00%	[18],[21]	11.00%	11.00%	[18],[21]	11.00%	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	$ 0	[18],[21]	$ 0
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		16.35%	[18]	16.48%	16.35%	[18]	16.48%	16.48%	[13]
Spread		11.00%	[18]	11.00%	11.00%	[18]	11.00%	11.00%	[13]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(34)		127
Amount of Interest, Fees or Dividends Credited to Income					2,785		2,822
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					22,040	[13]	23,429
Gross Additions					34		171
Gross Reductions					114		1,400
Ending balance		$ 21,960	[18]	$ 22,200	21,960	[18]	22,200
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	[15],[19]	25			25
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)					(680)		(1,080)
Amount of Interest, Fees or Dividends Credited to Income					24		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					16,980		18,950
Gross Additions					0		0
Gross Reductions					680		1,080
Ending balance		16,300		17,870	16,300		17,870
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		(163)
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					368	[27]	238
Gross Additions					146		0
Gross Reductions					0		163
Ending balance		$ 514	[28]	$ 75	$ 514	[28]	$ 75
Investment, Identifier [Axis]: PPL RVs, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		8.75%	[18],[21]	8.75%	8.75%	[18],[21]	8.75%	8.75%	[12],[13]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(1)		(1)
Amount of Interest, Fees or Dividends Credited to Income					1		1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[12],[13]	0
Gross Additions					1		1
Gross Reductions					1		1
Ending balance		$ 0	[18],[21]	$ 0	$ 0	[18],[21]	$ 0
Investment, Identifier [Axis]: PPL RVs, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.23%	[18]	13.98%	14.23%	[18]	13.98%	14.23%	[13]
Spread		8.75%	[18]	8.75%	8.75%	[18]	8.75%	8.75%	[13]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(53)		(51)
Amount of Interest, Fees or Dividends Credited to Income					2,135		2,101
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					19,877	[13]	21,655
Gross Additions					53		51
Gross Reductions					2,473		1,416
Ending balance		$ 17,457	[18]	$ 20,290	$ 17,457	[18]	20,290
Investment, Identifier [Axis]: PTL US Bidco, Inc, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.19%	[15],[18],[26],[33],[34]		12.19%	[15],[18],[26],[33],[34]		12.80%	[11],[13],[31],[32],[59]
Spread		6.75%	[15],[18],[26],[33],[34]		6.75%	[15],[18],[26],[33],[34]		7.25%	[11],[13],[31],[32],[59]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[31],[32],[59]				$ 2,998
Ending balance	[15],[18],[26],[33],[34]	$ 6,748			$ 6,748
Investment, Identifier [Axis]: PTL US Bidco, Inc, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.13%	[15],[18],[33],[34]		12.13%	[15],[18],[33],[34]		12.88%	[11],[13],[31],[32]
Spread		6.75%	[15],[18],[33],[34]		6.75%	[15],[18],[33],[34]		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	[15],[18],[33],[34]	$ 21,419			21,419
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
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13],[60]							11.24%
Spread	[11],[13],[60]							5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[60]				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
Investment, Identifier [Axis]: Peaches Holding Corporation, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		7,221			7,221
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					16,450		830
Amount of Interest, Fees or Dividends Credited to Income					8,800		9,215
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					44,090	[14]	43,260
Gross Additions					16,450		830
Gross Reductions					0		0
Ending balance		60,540	[16]	$ 44,090	60,540	[16]	$ 44,090
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate				12.00%			12.00%	12.00%
Amount of Realized Gain/(Loss)					0		$ 0
Amount of Unrealized Gain/(Loss)					(1)		4
Amount of Interest, Fees or Dividends Credited to Income					339		256
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,500		0
Gross Additions					1,501		3,500
Gross Reductions					5,001		0
Ending balance		$ 0	[21]	$ 3,500	$ 0	[21]	$ 3,500
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%	12.00%		12.00%	12.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					148		45
Amount of Interest, Fees or Dividends Credited to Income					2,915		986
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					20,000		0
Gross Additions					23,219		17,500
Gross Reductions					0		0
Ending balance		$ 43,219		$ 17,500	$ 43,219		$ 17,500
Investment, Identifier [Axis]: Pearl Meyer Topco LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%	12.00%		12.00%	12.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(18)		(50)
Amount of Interest, Fees or Dividends Credited to Income					2,546		2,586
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					27,681		28,681
Gross Additions					18		50
Gross Reductions					18		1,050
Ending balance		$ 27,681		$ 27,681	27,681		27,681
Investment, Identifier [Axis]: Pinnacle TopCo, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					4,820
Amount of Interest, Fees or Dividends Credited to Income					1,721
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					12,540
Gross Additions					4,820
Gross Reductions					0
Ending balance	[16]	17,360			17,360
Investment, Identifier [Axis]: Pinnacle TopCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate								8.00%
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					13
Amount of Interest, Fees or Dividends Credited to Income					14
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					444
Gross Additions					16
Gross Reductions					460
Ending balance	[21]	$ 0			$ 0
Investment, Identifier [Axis]: Pinnacle TopCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%			13.00%			13.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					243
Amount of Interest, Fees or Dividends Credited to Income					3,046
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					30,339
Gross Additions					301
Gross Reductions					1,600
Ending balance		$ 29,040			29,040
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	[15]	$ 3,150			$ 3,150
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.50%	[15],[18],[21]		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	[15],[18],[21]	$ (68)			$ (68)
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.35%			11.35%
Spread		6.50%	[15],[18]		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	[15],[18]	$ 6,139			$ 6,139
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.60%	[15],[18]		11.60%	[15],[18]		12.12%	[11],[13]
Spread		6.50%	[15],[18]		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	[15],[18]	$ 18,279			$ 18,279
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.58%	[15],[18]		10.58%	[15],[18]		12.28%	[11],[13]
Spread		5.50%	[15],[18]		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	[15],[18]	$ 7,900			$ 7,900
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.10%	[15],[18]		10.10%	[15],[18]		12.20%	[11],[13]
Spread		5.50%	[15],[18]		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	[15],[18]	$ 754			$ 754
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.10%			10.10%
Spread	[15],[18]	5.50%			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 758			$ 758
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[15],[18]	9.85%			9.85%
Spread	[15],[18]	5.25%			5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 861			$ 861
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)					40		(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					40		0
Gross Reductions					0		80
Ending balance		550		510	550		510
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)					790		(1,790)
Amount of Interest, Fees or Dividends Credited to Income					737		572
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					10,750	[14]	12,420
Gross Additions					790		0
Gross Reductions					0		1,790
Ending balance		$ 11,540	[16]	10,630	$ 11,540	[16]	10,630
Investment, Identifier [Axis]: Principle Environmental, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%			13.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					601
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					5,829
Gross Additions					18
Gross Reductions					0
Ending balance		$ 5,847			5,847
Investment, Identifier [Axis]: Principle Environmental, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[12]	0
Gross Additions							0
Gross Reductions							0
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: Principle Environmental, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate				13.00%			13.00%	13.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							599
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					5,829		5,806
Gross Additions							17
Gross Reductions							0
Ending balance				$ 5,823			5,823
Investment, Identifier [Axis]: Purge Rite, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15]	1,320			1,320
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	[15]	$ 3,248			$ 3,248
Investment, Identifier [Axis]: Purge Rite, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		8.00%	[15],[18],[21]		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]				$ (47)
Ending balance	[15],[18],[21]	$ (39)			$ (39)
Investment, Identifier [Axis]: Purge Rite, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.64%	[15],[18]		13.64%	[15],[18]		13.70%	[11],[13]
Spread		8.00%	[15],[18]		8.00%	[15],[18]		8.00%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 9,610
Ending balance	[15],[18]	$ 9,844			9,844
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	460		460
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		0
Investment, Identifier [Axis]: Quality Lease Service, LLC, Secured Debt
Schedule of Investments [Line Items]
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
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		11.59%			11.59%
Spread		6.75%			6.75%
PIK Rate		11.59%			11.59%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(73)
Amount of Interest, Fees or Dividends Credited to Income					28
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					771
Gross Additions					498
Gross Reductions					38
Ending balance		$ 1,231			$ 1,231
Investment, Identifier [Axis]: RA Outdoors (Aspira) LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.59%			11.59%
Spread		6.75%			6.75%
PIK Rate		11.59%			11.59%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(762)
Amount of Interest, Fees or Dividends Credited to Income					294
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					12,513
Gross Additions					464
Gross Reductions					100
Ending balance		$ 12,877			12,877
Investment, Identifier [Axis]: RA Outdoors LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15]	$ 0			$ 0
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.59%	[15],[18]		11.59%	[15],[18]		12.22%	[11],[13],[51]
Spread		6.75%	[15],[18]		6.75%	[15],[18]		6.75%	[11],[13],[51]
PIK Rate	[15],[18]	11.59%			11.59%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[51]				$ 772
Ending balance	[15],[18]	$ 1,231			$ 1,231
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.59%	[15],[18]		11.59%	[15],[18]		12.21%	[11],[13]
Spread		6.75%	[15],[18]		6.75%	[15],[18]		6.75%	[11],[13]
PIK Rate	[15],[18]	11.59%			11.59%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 12,512
Ending balance	[15],[18]	$ 12,877			12,877
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
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
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
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
Investment, Identifier [Axis]: Richardson Sales Solutions, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.92%	[15],[18],[26]		11.92%	[15],[18],[26]		18.47%	[11],[13],[61]
Spread		6.75%	[15],[18],[26]		6.75%	[15],[18],[26]		6.50%	[11],[13],[61]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[61]				$ 3,109
Ending balance	[15],[18],[26]	$ 4,087			$ 4,087
Investment, Identifier [Axis]: Richardson Sales Solutions, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.03%	[15],[18]		12.03%	[15],[18]		11.88%	[11],[13]
Spread		6.75%	[15],[18]		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	[15],[18]	$ 33,736			$ 33,736
Investment, Identifier [Axis]: Richardson Sales Solutions, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.86%			11.86%
Spread	[15],[18]	6.75%			6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 21,897			$ 21,897
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)					80		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					3,710	[27]	3,620
Gross Additions					80		0
Gross Reductions					0		0
Ending balance		3,790	[28]	3,620	3,790	[28]	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		(12,090)
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		12,090
Ending balance		$ 0		2,790	$ 0		2,790
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt 1
Schedule of Investments [Line Items]
PIK Rate	[19],[21]	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					8		24
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					(26)	[12]	(35)
Gross Additions					2		6
Gross Reductions					0		0
Ending balance		$ (24)	[19],[21]	$ (29)	$ (24)	[19],[21]	$ (29)
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%	[19]	12.50%	12.50%	[19]	12.50%	12.50%
PIK Rate	[19]	10.00%			10.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(14,949)		(611)
Amount of Interest, Fees or Dividends Credited to Income					1,083		3,379
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					30,798		35,404
Gross Additions					18		61
Gross Reductions					15,399		1,736
Ending balance		$ 15,417	[19]	$ 33,729	15,417	[19]	33,729
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
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		8.00%	[15],[18],[21]		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	[15],[18],[21]	$ 0			$ 0
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.59%	[15],[18]		12.59%	[15],[18]		12.16%	[11],[13]
Spread		7.00%	[15],[18]		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	[15],[18]	$ 3,246			$ 3,246
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		14.59%	[15],[18]		14.59%	[15],[18]		14.16%	[11],[13]
Spread		9.00%	[15],[18]		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	[15],[18]	$ 3,213			$ 3,213
Investment, Identifier [Axis]: Rug Doctor, LLC., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.79%	[15],[18]		12.79%	[15],[18]		13.54%	[11],[13]
Spread		8.00%	[15],[18]		8.00%	[15],[18]		6.00%	[11],[13]
PIK Rate		2.00%	[15],[18]		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	[15],[18]	$ 5,858			$ 5,858
Investment, Identifier [Axis]: Rug Doctor, LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.79%	[15],[18]		12.79%	[15],[18]		13.54%	[11],[13]
Spread		8.00%	[15],[18]		8.00%	[15],[18]		6.00%	[11],[13]
PIK Rate		2.00%	[15],[18]		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	[15],[18]	$ 7,618			7,618
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)					(2,990)		3,583
Amount of Interest, Fees or Dividends Credited to Income					1,994		1,043
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					19,170	[14]	13,650
Gross Additions					0		3,890
Gross Reductions					2,990		0
Ending balance		$ 16,180	[16]	$ 17,540	$ 16,180	[16]	$ 17,540
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.75%		11.25%	11.75%		11.25%	11.25%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(3)		18
Amount of Interest, Fees or Dividends Credited to Income					195		23
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,125		0
Gross Additions					2,253		1,875
Gross Reductions					1,128		0
Ending balance		$ 2,250		$ 1,875	$ 2,250		$ 1,875
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.63%	[62]	12.49%	12.63%	[62]	12.49%	12.47%	[63]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							255
Amount of Interest, Fees or Dividends Credited to Income							2,324
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 54,536	[63]	0
Gross Additions							54,536
Gross Reductions							0
Ending balance		$ 67,661	[62]	$ 54,536	67,661	[62]	54,536
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			$ 0
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.63%			12.63%
Amount of Realized Gain/(Loss)					$ 0		0
Amount of Unrealized Gain/(Loss)					54		(79)
Amount of Interest, Fees or Dividends Credited to Income					3,647		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	67,661		0
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	[15]	$ 610			$ 610
Investment, Identifier [Axis]: SPAU Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[18],[26]	12.46%			12.46%
Spread		7.50%	[15],[18],[26]		7.50%	[15],[18],[26]		8.00%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]				$ 0
Ending balance	[15],[18],[26]	$ 2,491			$ 2,491
Investment, Identifier [Axis]: SPAU Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.45%	[15],[18]		12.45%	[15],[18]		13.72%	[11],[13]
Spread		7.50%	[15],[18]		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],[18]	$ 15,608			15,608
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)					206		460
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					206		460
Gross Reductions					456		0
Ending balance		$ 2,060	[16]	$ 1,990	$ 2,060	[16]	$ 1,990
Investment, Identifier [Axis]: Slick Innovations, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.00%		14.00%	14.00%		14.00%	14.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					61		(36)
Amount of Interest, Fees or Dividends Credited to Income					1,886		1,451
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					11,440		13,840
Gross Additions					7,600		36
Gross Reductions					2,240		1,716
Ending balance		$ 16,800		$ 12,160	16,800		12,160
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	[15]	$ 835			$ 835
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.20%			10.20%
Spread	[15],[18]	5.25%			5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 52,918			$ 52,918
Investment, Identifier [Axis]: South Coast Terminals Holdings, 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]				394
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]							11.70%
Spread	[11],[13]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 34,886
Investment, Identifier [Axis]: Stellant Systems, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.49%	[8],[18]		10.49%	[8],[18]		11.04%	[7],[13]
Spread		5.50%	[8],[18]		5.50%	[8],[18]		5.50%	[7],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]				$ 7,527
Ending balance	[8],[18]	$ 7,896			$ 7,896
Investment, Identifier [Axis]: Stellant Systems, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.79%	[8],[18]		10.79%	[8],[18]		11.28%	[7],[13]
Spread		5.75%	[8],[18]		5.75%	[8],[18]		5.75%	[7],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]				$ 8,977
Ending balance	[8],[18]	$ 9,085			9,085
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		120
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		120
Gross Reductions					0		0
Ending balance		$ 0	[15]	$ 120	0	[15]	$ 120
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate				8.50%			8.50%	8.50%	[11],[20]
PIK Rate				8.50%			8.50%	8.50%	[11],[20]
Amount of Realized Gain/(Loss)							$ (2)
Amount of Unrealized Gain/(Loss)							(114)
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							222
Gross Reductions							8
Ending balance				$ 4,770			4,770
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15]	8.50%			8.50%
PIK Rate	[15]	8.50%			8.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15]	$ 201			$ 201
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt 1.1
Schedule of Investments [Line Items]
Total Rate		8.50%			8.50%
PIK Rate		8.50%			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			$ 1,644
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[19]	8.50%			8.50%
PIK Rate	[15],[19]	8.50%			8.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[19]	$ 1,644			$ 1,644
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		8.50%			8.50%
PIK Rate		8.50%			8.50%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					201
Gross Reductions					0
Ending balance		$ 201			201
Investment, Identifier [Axis]: Superior Rigging & Erecting Co., Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					1,510		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					1,510		1,440
Gross Reductions					0		0
Ending balance		7,450		$ 5,940	7,450		$ 5,940
Investment, Identifier [Axis]: Superior Rigging & Erecting Co., Secured Debt
Schedule of Investments [Line Items]
Total Rate				12.00%			12.00%	12.00%
Amount of Realized Gain/(Loss)					0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					1,193		1,924
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					20,427		21,378
Gross Additions					73		38
Gross Reductions					20,500		1,000
Ending balance		$ 0		$ 20,416	$ 0		20,416
Investment, Identifier [Axis]: Team Public Choices, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.51%	[8],[18]		10.51%	[8],[18]		10.88%	[7],[13]
Spread		5.00%	[8],[18]		5.00%	[8],[18]		5.00%	[7],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]				$ 14,717
Ending balance	[8],[18]	$ 14,554			14,554
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	[16]	4,720			4,720
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		(4,080)
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		4,080
Ending balance		0		3,601	0		3,601
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		178
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		603
Gross Reductions					0		0
Ending balance		0		603	0		603
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		720
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		1,200
Gross Reductions					0		0
Ending balance		$ 0		$ 1,200	$ 0		$ 1,200
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%	[17],[19]	12.00%	12.00%	[17],[19]	12.00%	12.00%	[25]
PIK Rate	[17],[19]	12.00%			12.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		(58)
Amount of Interest, Fees or Dividends Credited to Income					56		167
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,726	[25]	1,840
Gross Additions					0		0
Gross Reductions					0		58
Ending balance		$ 1,726	[17],[19]	$ 1,782	$ 1,726	[17],[19]	$ 1,782
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%	[17],[19]	12.00%	12.00%	[17],[19]	12.00%	12.00%	[25]
PIK Rate	[17],[19]	12.00%			12.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(9,605)		(404)
Amount of Interest, Fees or Dividends Credited to Income					461		1,392
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					14,262	[25]	15,120
Gross Additions					0		8
Gross Reductions					9,605		404
Ending balance		$ 4,657	[17],[19]	$ 14,724	4,657	[17],[19]	14,724
Investment, Identifier [Axis]: Televerde, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(1,224)		(309)
Amount of Interest, Fees or Dividends Credited to Income					0		592
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,734	[14]	5,408
Gross Additions					0		0
Gross Reductions					1,224		309
Ending balance		3,510		5,099	3,510		5,099
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		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	[15],[28]	2,410			2,410
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock 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							107
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					172		6,400
Gross Additions							0
Gross Reductions							0
Ending balance		262	[16]	6,400	262	[16]	6,400
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock 1.1
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					272
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					6,400
Gross Additions					0
Gross Reductions					0
Ending balance		6,400			6,400
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					6,400	[14]	0
Gross Additions							172
Gross Reductions							0
Ending balance		6,400	[16]	172	6,400	[16]	172
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock 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					20
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					172
Gross Additions					90
Gross Reductions					0
Ending balance		262			262
Investment, Identifier [Axis]: The Affiliati Network, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate								13.00%
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					12		16
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					150		106
Gross Additions					643		1,963
Gross Reductions					800		2,080
Ending balance		$ (7)	[21]	$ (11)	$ (7)	[21]	$ (11)
Investment, Identifier [Axis]: The Affiliati Network, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%		13.00%	10.00%		13.00%	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					603		906
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					7,347		9,442
Gross Additions					21		27
Gross Reductions					1,920		1,730
Ending balance		$ 5,448		$ 7,739	5,448		7,739
Investment, Identifier [Axis]: Titan Meter Midco Corp., Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15]	$ 1,219			$ 1,219
Investment, Identifier [Axis]: Titan Meter Midco Corp., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[15],[18],[21]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[21]	$ (111)			$ (111)
Investment, Identifier [Axis]: Titan Meter Midco Corp., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.10%			11.10%
Spread	[15],[18]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 33,394			$ 33,394
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(3,240)		5,600
Amount of Interest, Fees or Dividends Credited to Income					87		87
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					12,740	[14]	7,800
Gross Additions					0		5,600
Gross Reductions					3,240		0
Ending balance		9,500	[16]	13,400	9,500	[16]	13,400
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		(2)
Amount of Interest, Fees or Dividends Credited to Income					4		5
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[12]	0
Gross Additions					0		2
Gross Reductions					0		2
Ending balance		$ 0	[21]	$ 0	$ 0	[21]	$ 0
Investment, Identifier [Axis]: Trantech Radiator Topco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.50%		12.00%	13.50%		12.00%	12.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					64		(14)
Amount of Interest, Fees or Dividends Credited to Income					809		734
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					7,920		7,920
Gross Additions					0		14
Gross Reductions					0		14
Ending balance		$ 7,920		$ 7,920	$ 7,920		7,920
Investment, Identifier [Axis]: U.S. TelePacific Corp., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.50%	[8],[18],[19]		12.50%	[8],[18],[19]		12.53%	[7],[13],[20]
Spread		7.15%	[8],[18],[19]		7.15%	[8],[18],[19]		7.15%	[7],[13],[20]
PIK Rate		6.00%	[8],[18],[19]		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	[8],[18],[19]	$ 3,933			3,933
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	[8],[19]	0			0
Investment, Identifier [Axis]: UPS Intermediate, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15]	$ 1,443			$ 1,443
Investment, Identifier [Axis]: UPS Intermediate, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.51%			11.51%
Spread	[15],[18]	6.25%			6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 42,622			$ 42,622
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
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
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
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	$ 0	[8]	$ 0
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock 1
Schedule of Investments [Line Items]
Total Rate		20.00%	[8],[16]	20.00%	20.00%	[8],[16]	20.00%	20.00%	[7],[14]
PIK Rate		20.00%	[8],[16]	20.00%	20.00%	[8],[16]	20.00%	20.00%	[7],[14]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(224)		(341)
Amount of Interest, Fees or Dividends Credited to Income					418		341
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,833	[7],[14]	2,833
Gross Additions					418		341
Gross Reductions					224		341
Ending balance		$ 3,027	[8],[16]	$ 2,833	$ 3,027	[8],[16]	$ 2,833
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock 2
Schedule of Investments [Line Items]
Total Rate		20.00%	[8]	20.00%	20.00%	[8]	20.00%	20.00%	[7]
PIK Rate		20.00%	[8]	20.00%	20.00%	[8]	20.00%	20.00%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					250		1,986
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		1,986
Gross Reductions					0		0
Ending balance		$ 4,272	[8]	$ 3,977	$ 4,272	[8]	$ 3,977
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock 3
Schedule of Investments [Line Items]
Total Rate		19.00%	[8]	19.00%	19.00%	[8]	19.00%	19.00%	[7]
PIK Rate		19.00%	[8]	19.00%	19.00%	[8]	19.00%	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	$ 0	[8]	$ 0
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred Stock 4
Schedule of Investments [Line Items]
Total Rate		13.50%	[8]	13.50%	13.50%	[8]	13.50%	13.50%	[7]
PIK Rate		13.50%	[8]	13.50%	13.50%	[8]	13.50%	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	$ 0	[8]	$ 0
Investment, Identifier [Axis]: UniTek Global Services, Inc., Secured Convertible Debt 1
Schedule of Investments [Line Items]
Total Rate		15.00%	[8]	15.00%	15.00%	[8]	15.00%	15.00%	[7]
PIK Rate		15.00%	[8]	15.00%	15.00%	[8]	15.00%	15.00%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					153		206
Amount of Interest, Fees or Dividends Credited to Income					204		248
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,889	[7]	4,592
Gross Additions					1,610		0
Gross Reductions					0		548
Ending balance		$ 5,499	[8]	$ 4,044	$ 5,499	[8]	$ 4,044
Investment, Identifier [Axis]: UniTek Global Services, Inc., Secured Convertible Debt 2
Schedule of Investments [Line Items]
Total Rate		15.00%	[8]	15.00%	15.00%	[8]	15.00%	15.00%	[7]
PIK Rate		15.00%	[8]	15.00%	15.00%	[8]	15.00%	15.00%	[7]
Amount of Realized Gain/(Loss)					$ 0		$ (223)
Amount of Unrealized Gain/(Loss)					61		1,174
Amount of Interest, Fees or Dividends Credited to Income					99		30
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,908	[7]	0
Gross Additions					686		2,206
Gross Reductions					0		223
Ending balance		$ 2,594	[8]	$ 1,983	2,594	[8]	$ 1,983
Investment, Identifier [Axis]: UniTek Global Services, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread				7.50%			7.50%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							22
Amount of Interest, Fees or Dividends Credited to Income							(2)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							382
Gross Additions							25
Gross Reductions							407
Ending balance				$ 0			$ 0
Investment, Identifier [Axis]: UniTek Global Services, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Spread				7.50%			7.50%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							96
Amount of Interest, Fees or Dividends Credited to Income							282
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							1,712
Gross Additions							112
Gross Reductions							1,824
Ending balance				$ 0			0
Investment, Identifier [Axis]: UnionRock Energy Fund II, LP, LP Interests
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					282
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[31],[35],[36]				5,694
Gross Additions					283
Gross Reductions					336
Ending balance	[33],[37],[38]	5,641			5,641
Investment, Identifier [Axis]: UnionRock Energy Fund II, LP, LP Interests
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							(964)
Amount of Interest, Fees or Dividends Credited to Income							25
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							5,855
Gross Additions							531
Gross Reductions							1,251
Ending balance				5,135			5,135
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)					1,453		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					2,838	[31],[35],[36]	0
Gross Additions					3,953		1,051
Gross Reductions					0		0
Ending balance		6,791	[33],[37],[38]	1,051	6,791	[33],[37],[38]	1,051
Investment, Identifier [Axis]: Universal Wellhead Services 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	[11],[27]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 0	[15],[28]	$ 0	$ 0	[15],[28]	$ 0
Investment, Identifier [Axis]: Universal Wellhead Services Holdings, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		14.00%	[15],[28]	14.00%	14.00%	[15],[28]	14.00%	14.00%	[11],[27]
PIK Rate		14.00%	[15],[28]	14.00%	14.00%	[15],[28]	14.00%	14.00%	[11],[27]
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					150	[11],[27]	220
Gross Additions					0		0
Gross Reductions					150		0
Ending balance		$ 0	[15],[28]	$ 220	$ 0	[15],[28]	220
Investment, Identifier [Axis]: Urgent DSO LLC, Preferred Equity
Schedule of Investments [Line Items]
Total Rate	[16]	9.00%			9.00%
PIK Rate	[16]	9.00%			9.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					228
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					4,228
Gross Reductions					0
Ending balance	[16]	$ 4,228			$ 4,228
Investment, Identifier [Axis]: Urgent DSO LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.50%			13.50%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					939
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					8,722
Gross Reductions					0
Ending balance		$ 8,722			$ 8,722
Investment, Identifier [Axis]: UserZoom Technologies, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.75%	[15],[18]		12.75%	[15],[18]		12.99%	[11],[13]
Spread		7.50%	[15],[18]		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	[15],[18]	$ 4,000			4,000
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	[15],[16]	2,570			2,570
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					320		215
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					12,240	[14],[27]	11,940
Gross Additions					0		0
Gross Reductions					0		100
Ending balance		$ 12,240	[16],[28]	$ 11,840	$ 12,240	[16],[28]	$ 11,840
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[18],[21]	6.00%	6.00%	[18],[21]	6.00%	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					12		23
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[12],[13],[25]	(21)
Gross Additions					0		17
Gross Reductions					0		0
Ending balance		$ 0	[18],[21]	$ (4)	$ 0	[18],[21]	$ (4)
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.50%		11.50%	11.50%		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					2,457		2,625
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					28,035		30,161
Gross Additions					47		60
Gross Reductions					1,160		2,200
Ending balance		$ 26,922		$ 28,021	$ 26,922		28,021
Investment, Identifier [Axis]: Veregy Consolidated, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.25%	[8],[18],[21]		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	[8],[18],[21]	$ (241)			$ (241)
Investment, Identifier [Axis]: Veregy Consolidated, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.51%	[8],[18]		11.51%	[8],[18]		11.64%	[7],[13]
Spread		6.00%	[8],[18]		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	[8],[18]	$ 17,684			17,684
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					0		0
Ending balance		3,000		3,000	3,000		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	[15]	$ 3,180			3,180
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
Investment, Identifier [Axis]: Vitesse Systems, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[18],[64]	12.47%			12.47%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[64]	$ 5,795			$ 5,795
Investment, Identifier [Axis]: Vitesse Systems, Secured Debt 1, Prime
Schedule of Investments [Line Items]
Spread		6.00%			6.00%
Investment, Identifier [Axis]: Vitesse Systems, Secured Debt 1, Secured Overnight Financing Rate
Schedule of Investments [Line Items]
Spread		7.00%			7.00%
Investment, Identifier [Axis]: Vitesse Systems, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.96%			11.96%
Spread	[15],[18]	7.00%			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 42,181			$ 42,181
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		0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					7,250		0
Gross Additions							0
Gross Reductions							0
Ending balance		7,460		0	7,460		0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 1.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					0
Gross Reductions					0
Ending balance		0			0
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							(1,396)
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							11,446
Gross Reductions							2,096
Ending balance		0		9,350	0		9,350
Investment, Identifier [Axis]: Volusion, LLC, Preferred Member Units 2.1
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					4,421
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					7,250
Gross Additions					4,422
Gross Reductions					4,212
Ending balance		7,460			7,460
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		$ 0
Investment, Identifier [Axis]: Volusion, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%			10.00%			10.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					160
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%			10.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							107
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							2,100
Gross Reductions							0
Ending balance				$ 2,100			2,100
Investment, Identifier [Axis]: Volusion, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							(3,188)
Amount of Unrealized Gain/(Loss)							1,821
Amount of Interest, Fees or Dividends Credited to Income							166
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							14,914
Gross Additions							0
Gross Reductions							14,914
Ending balance				0			0
Investment, Identifier [Axis]: Volusion, LLC, Unsecured Convertible Debt
Schedule of Investments [Line Items]
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
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
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	[15]	$ 930			$ 930
Investment, Identifier [Axis]: Wall Street Prep, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.00%	[15],[18],[21]		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	[15],[18],[21]	$ (3)			$ (3)
Investment, Identifier [Axis]: Wall Street Prep, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.48%	[15],[18]		12.48%	[15],[18]		12.54%	[11],[13]
Spread		7.00%	[15],[18]		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	[15],[18]	$ 2,987			$ 2,987
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%	[15]		12.00%	[15]		11.50%	[11],[13],[54]
Spread	[11],[13],[54]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[54]				$ 1,853
Ending balance	[15]	$ 2,124			$ 2,124
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%	[15]		12.00%	[15]		11.50%	[11],[13]
Spread	[11],[13]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 386
Ending balance	[15]	$ 367			$ 367
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.00%	[15]		12.00%	[15]		11.50%	[11],[13]
Spread	[11],[13]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 15,886
Ending balance	[15]	$ 15,107			$ 15,107
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.00%	[15]		12.00%	[15]		11.50%	[11],[13]
Spread	[11],[13]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 12,707
Ending balance	[15]	$ 12,084			12,084
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	[15],[16]	$ 4,580			$ 4,580
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		9.60%	[15],[18]		9.60%	[15],[18]		11.34%	[11],[13],[65]
Spread		5.00%	[15],[18]		5.00%	[15],[18]		6.00%	[11],[13],[65]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[65]				$ 2,405
Ending balance	[15],[18]	$ 2,387			$ 2,387
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		9.60%	[15],[18]		9.60%	[15],[18]		11.35%	[11],[13]
Spread		5.00%	[15],[18]		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	[15],[18]	$ 10,577			$ 10,577
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		9.60%	[15],[18]		9.60%	[15],[18]		11.35%	[11],[13]
Spread		5.00%	[15],[18]		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	[15],[18]	$ 5,264			$ 5,264
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.59%	[15],[18]		13.59%	[15],[18]		12.64%	[11],[13],[66]
Spread		8.00%	[15],[18]		8.00%	[15],[18]		7.00%	[11],[13],[66]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[66]				$ 2,222
Ending balance	[15],[18]	$ 640			$ 640
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.59%	[15],[18]		13.59%	[15],[18]		12.66%	[11],[13]
Spread		8.00%	[15],[18]		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	[15],[18]	$ 1,799			$ 1,799
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.59%	[15],[18]		12.59%	[15],[18]		12.66%	[11],[13]
Spread		7.00%	[15],[18]		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	[15],[18]	$ 6,948			$ 6,948
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[15],[18]	14.59%			14.59%
Spread	[15],[18]	9.00%			9.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 6,948			$ 6,948
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	$ 3,845	[16]	$ 3,845
Investment, Identifier [Axis]: World Micro Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%		13.00%	13.00%		13.00%	13.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					1,182		1,440
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					12,028		14,140
Gross Additions					21		29
Gross Reductions					479		879
Ending balance		$ 11,570		$ 13,290	$ 11,570		13,290
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.16%			10.16%
Spread		5.25%	[15],[18]		5.25%	[15],[18]		5.25%	[11],[12],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[12],[13]				$ 0
Ending balance	[15],[18]	$ 23,875			$ 23,875
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.63%	[15],[18]		10.63%	[15],[18]		11.22%	[11],[13]
Spread		5.25%	[15],[18]		5.25%	[15],[18]		5.75%	[11],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13]				$ 24,057
Ending balance	[15],[18]	$ 37,538			37,538
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
Investment, Identifier [Axis]: YS Garments, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.89%	[8],[18],[55]		12.89%	[8],[18],[55]		13.00%	[7],[13]
Spread		7.50%	[8],[18],[55]		7.50%	[8],[18],[55]		7.50%	[7],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[13]				$ 10,220
Ending balance	[8],[18],[55]	$ 10,025			$ 10,025
Investment, Identifier [Axis]: ZRG Partners, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[15],[18],[21]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18],[21]	$ (239)			$ (239)
Investment, Identifier [Axis]: ZRG Partners, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[15],[18]	10.74%			10.74%
Spread	[15],[18]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 4,932			$ 4,932
Investment, Identifier [Axis]: ZRG Partners, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.26%			11.26%
Spread	[15],[18]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 7,790			$ 7,790
Investment, Identifier [Axis]: ZRG Partners, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[15],[18]	11.30%			11.30%
Spread	[15],[18]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[15],[18]	$ 55,826			$ 55,826
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					0		0
Gross Reductions					0		240
Ending balance		$ 0		$ 0	$ 0		$ 0
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%		12.00%	12.00%		12.00%	12.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					41		41
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					450		450
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 450		$ 450	$ 450		$ 450
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		6.50%		6.50%	6.50%		6.50%	6.50%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					49		49
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					945		945
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 945		$ 945	$ 945		$ 945
Investment, Identifier [Axis]: Ziegler’s NYPD, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		14.00%		14.00%	14.00%		14.00%	14.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(1,109)		(304)
Amount of Interest, Fees or Dividends Credited to Income					293		292
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,080		2,676
Gross Additions					0		0
Gross Reductions					1,110		304
Ending balance		$ 970		$ 2,372	970		2,372
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	$ 0	[10]	$ 0
Investment, Identifier [Axis]: Zips Car Wash, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.46%	[15],[18]		12.46%	[15],[18]		12.71%	[11],[13],[67]
Spread		7.25%	[15],[18]		7.25%	[15],[18]		7.25%	[11],[13],[67]
PIK Rate	[15],[18]	3.50%			3.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[67]				$ 16,380
Ending balance	[15],[18]	$ 16,271			$ 16,271
Investment, Identifier [Axis]: Zips Car Wash, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.46%	[15],[18]		12.46%	[15],[18]		12.71%	[11],[13],[67]
Spread		7.25%	[15],[18]		7.25%	[15],[18]		7.25%	[11],[13],[67]
PIK Rate	[15],[18]	3.50%			3.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[11],[13],[67]				$ 4,067
Ending balance	[15],[18]	$ 4,078			$ 4,078
[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] (27)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, 96% 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 1.24%. [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 September 30, 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] (33)Index based floating interest rate is subject to contractual maximum base rate of 3.00%. [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 September 30, 2024. [27] Shares/Units represent ownership in a related Real Estate or HoldCo entity. [28] (29)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+8.00% (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] Investment is not a qualifying asset as defined under Section 55(a) of the 1940 Act. Qualifying assets must represent at least 70% of total assets at the time of acquisition of any additional non-qualifying assets. [34] Portfolio company headquarters are located outside of the United States. [35] Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated. [36] Other Portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Other Portfolio investments. [37] (30)Investment is not unitized. Presentation is made in percent of fully diluted ownership unless otherwise indicated. [38] Other Portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Other Portfolio investments. [39] 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. [40] 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. [41] Effective yield as of December 31, 2023 was approximately 4.98% on the Dreyfus Government Cash Management. [42] (36)Effective yield as of September 30, 2024 was approximately 5.02% on the Dreyfus Government Cash Management. [43] Effective yield as of December 31, 2023 was approximately 5.01% on the Fidelity Government Fund. [44] (37)Effective yield as of September 30, 2024 was approximately 4.60% on the Fidelity Government Fund. [45] Effective yield as of December 31, 2023 was approximately 4.99% on the Fidelity Treasury. [46] (31)Effective yield as of September 30, 2024 was approximately 4.60% on the Fidelity Treasury. [47] 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. [48] 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. [49] Index based floating interest rate is subject to contractual maximum base rate of 1.50%. [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] 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 September 30, 2024. [56] 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. [57] External Investment Manager. Investment is not encumbered as security for the Company’s Credit Facilities or in support of the SBA-guaranteed debentures issued by the Funds. [58] External Investment Manager. Investment is not encumbered as security for the Company's Credit Facilities or in support of the SBA-guaranteed debentures issued by the Funds. [59] As of December 31, 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. [60] 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. [61] 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. [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 11.75% per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate. [63] 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. [64] RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. As of September 30, 2024, the facility had contracts running under the terms SOFR+7.00% (Floor 1.00%) and Prime+6.00% (Floor 2.00%). The rate presented represents a weighted-average rate for borrowings under the facility, as of September 30, 2024. [65] 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. [66] 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. [67] 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.