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

v3.24.2.u1

Consolidated Schedule of Investments In and Advances to Affiliates (Details) - USD ($) $ in Thousands		3 Months Ended			6 Months Ended
		Jun. 30, 2024		Jun. 30, 2023	Jun. 30, 2024		Jun. 30, 2023	Dec. 31, 2023
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		$ 314		$ (28,852)	$ (1,570)		$ (25,421)
Amount of Unrealized Gain/(Loss)		6,226		35,757	5,093		31,618
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[1]				1,092,895
Ending balance	[2]	1,148,308			1,148,308
Control investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		47		1,046	57		1,677
Amount of Unrealized Gain/(Loss)		3,297		(12)	3,719		(698)
Amount of Interest, Fees or Dividends Credited to Income					1,824		1,517
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					53,644	[1],[3]	50,303
Gross Additions					4,190		2,413
Gross Reductions					992		3,308
Ending balance		56,842	[2],[4]	49,408	56,842	[2],[4]	49,408
Affiliate investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)		0		(8,823)	0		(7,186)
Amount of Unrealized Gain/(Loss)		1,003		16,367	984		17,688
Amount of Interest, Fees or Dividends Credited to Income					15,171		15,299
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					291,279	[1],[5]	277,000
Gross Additions					52,793		93,924
Gross Reductions					41,313		92,673
Ending balance		302,759	[2],[6]	278,251	302,759	[2],[6]	278,251
Investment, Identifier [Axis]: AAC Holdings, Inc., 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]: AAC Holdings, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		18.00%	[8]		18.00%	[8]		18.00%	[7]
PIK Rate		18.00%	[8]		18.00%	[8]		18.00%	[7]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]				$ 149
Ending balance	[8]	$ 163			$ 163
Investment, Identifier [Axis]: AAC Holdings, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		18.00%	[8]		18.00%	[8]		18.00%	[7]
PIK Rate		18.00%	[8]		18.00%	[8]		18.00%	[7]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]				$ 4,958
Ending balance	[8]	$ 5,426			5,426
Investment, Identifier [Axis]: AAC Holdings, Inc., Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[9]				0
Ending balance	[8],[10]	$ 0			$ 0
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.00%	[11],[12],[13]		5.00%	[11],[12],[13]		5.00%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ 0
Ending balance	[11],[12],[13]	$ 0			$ 0
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.44%	[11],[13],[17]		11.44%	[11],[13],[17]		11.43%	[14],[16]
Spread		6.00%	[11],[13],[17]		6.00%	[11],[13],[17]		6.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 1,081
Ending balance	[11],[13],[17]	$ 2,341			$ 2,341
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.44%	[11],[13]		11.44%	[11],[13]		11.43%	[14],[16]
Spread		6.00%	[11],[13]		6.00%	[11],[13]		6.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 2,304
Ending balance	[11],[13]	$ 2,293			$ 2,293
Investment, Identifier [Axis]: AB Centers Acquisition Corporation, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		11.44%	[11],[13]		11.44%	[11],[13]		11.43%	[14],[16]
Spread		6.00%	[11],[13]		6.00%	[11],[13]		6.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 772
Ending balance	[11],[13]	$ 768			$ 768
Investment, Identifier [Axis]: ADS Tactical, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.25%	[8],[13]		13.25%	[8],[13]		11.22%	[7],[16]
Spread		4.75%	[8],[13]		4.75%	[8],[13]		5.75%	[7],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]				$ 4,214
Ending balance	[8],[13]	$ 2,783			2,783
Investment, Identifier [Axis]: AFG Capital Group, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							1,800
Amount of Unrealized Gain/(Loss)							(2,050)
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							2,350
Gross Additions							1,800
Gross Reductions							4,150
Ending balance				0			0
Investment, Identifier [Axis]: AMEREQUIP LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[18]				100
Ending balance	[11],[19]	90			90
Investment, Identifier [Axis]: AMEREQUIP LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[14],[15],[16]							7.40%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				0
Investment, Identifier [Axis]: AMEREQUIP LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[16]							12.76%
Spread	[14],[16]							7.40%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				1,538
Investment, Identifier [Axis]: ATS Operating, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				90
Ending balance	[11]	$ 100			$ 100
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.06%	[11],[13],[20]		12.06%	[11],[13],[20]		12.16%	[14],[16]
Spread		6.50%	[11],[13],[20]		6.50%	[11],[13],[20]		6.50%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 50
Ending balance	[11],[13],[20]	$ 105			$ 105
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.06%	[11],[13]		11.06%	[11],[13]		11.16%	[14],[16]
Spread		5.50%	[11],[13]		5.50%	[11],[13]		5.50%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 925
Ending balance	[11],[13]	$ 925			$ 925
Investment, Identifier [Axis]: ATS Operating, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.06%	[11],[13]		13.06%	[11],[13]		13.16%	[14],[16]
Spread		7.50%	[11],[13]		7.50%	[11],[13]		7.50%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 925
Ending balance	[11],[13]	$ 925			925
Investment, Identifier [Axis]: ATX Networks Corp., Common Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							3,178
Amount of Unrealized Gain/(Loss)							(3,290)
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							3,290
Gross Additions							3,178
Gross Reductions							6,468
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)							(102)
Amount of Interest, Fees or Dividends Credited to Income							856
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							6,368
Gross Additions							545
Gross Reductions							6,913
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)							(276)
Amount of Interest, Fees or Dividends Credited to Income							1,135
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							2,614
Gross Additions							1,135
Gross Reductions							3,749
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	[14],[18]				124
Ending balance	[11],[19]	$ 124			$ 124
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.25%	[11],[12],[13]		7.25%	[11],[12],[13]		7.25%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ (5)
Ending balance	[11],[12],[13]	$ (15)			$ (15)
Investment, Identifier [Axis]: AVEX Aviation Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.74%	[11],[13]		12.74%	[11],[13]		12.76%	[14],[16]
Spread		7.25%	[11],[13]		7.25%	[11],[13]		7.25%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 3,344
Ending balance	[11],[13]	$ 3,386			$ 3,386
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.00%	[11],[12],[13]		7.00%	[11],[12],[13]		7.50%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ (8)
Ending balance	[11],[12],[13]	$ (7)			$ (7)
Investment, Identifier [Axis]: Acumera, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.44%	[11],[13]		12.44%	[11],[13]		12.98%	[14],[16]
Spread		7.00%	[11],[13]		7.00%	[11],[13]		7.50%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 11,922
Ending balance	[11],[13]	$ 11,771			11,771
Investment, Identifier [Axis]: Acumera, Inc., Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[21]				90
Ending balance	[11],[22]	$ 90			$ 90
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.00%	[11],[13],[23]		11.00%	[11],[13],[23]		11.00%	[14],[16],[24]
Spread		7.00%	[11],[13],[23]		7.00%	[11],[13],[23]		7.00%	[14],[16],[24]
PIK Rate		1.00%	[11],[13],[23]		1.00%	[11],[13],[23]		1.00%	[14],[16],[24]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[24]				$ 917
Ending balance	[11],[13],[23]	$ 905			$ 905
Investment, Identifier [Axis]: Adams Publishing Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.00%	[11],[13],[23]		11.00%	[11],[13],[23]		11.00%	[14],[16],[24]
Spread		7.00%	[11],[13],[23]		7.00%	[11],[13],[23]		7.00%	[14],[16],[24]
PIK Rate		1.00%	[11],[13],[23]		1.00%	[11],[13],[23]		1.00%	[14],[16],[24]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[24]				$ 2,481
Ending balance	[11],[13],[23]	$ 2,299			$ 2,299
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.00%	[11],[12],[13]		5.00%	[11],[12],[13]		5.00%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ (10)
Ending balance	[11],[12],[13]	$ (8)			$ (8)
Investment, Identifier [Axis]: American Health Staffing Group, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.61%	[11],[13]		11.61%	[11],[13]		13.50%	[14],[16]
Spread		6.00%	[11],[13]		6.00%	[11],[13]		5.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 8,188
Ending balance	[11],[13]	$ 8,125			$ 8,125
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.20%	[11],[13]		15.20%	[11],[13]		15.29%	[14],[16]
Spread		9.75%	[11],[13]		9.75%	[11],[13]		9.75%	[14],[16]
PIK Rate		15.20%	[11],[13]		15.20%	[11],[13]		15.29%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 4,102
Ending balance	[11],[13]	$ 4,332			$ 4,332
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		17.20%	[11],[13],[25]		17.20%	[11],[13],[25]		15.29%	[14],[16]
Spread		11.75%	[11],[13],[25]		11.75%	[11],[13],[25]		9.75%	[14],[16]
PIK Rate		17.20%	[11],[13],[25]		17.20%	[11],[13],[25]		15.29%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 0
Ending balance	[11],[13],[25]	$ 2,639			2,639
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[16],[26]							17.29%
Spread	[14],[16],[26]							11.75%
PIK Rate	[14],[16],[26]							17.29%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[26]				2,522
Investment, Identifier [Axis]: American Nuts, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[14],[16],[26]							17.29%
Spread	[14],[16],[26]							11.75%
PIK Rate	[14],[16],[26]							17.29%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[26]				0
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[26],[27]				109
Ending balance	[8],[25],[28]	59			59
Investment, Identifier [Axis]: American Teleconferencing Services, Ltd., Secured Debt 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[26],[27]				526
Ending balance	[8],[25],[28]	282			282
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					1,210		0
Gross Additions							0
Gross Reductions							0
Ending balance		$ 1,400		$ 0	$ 1,400		0
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Preferred Member Units 1.1
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					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%			14.13%			14.13%
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							140
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 0		880
Gross Additions							140
Gross Reductions							0
Ending balance		$ 0		$ 1,020	0		$ 1,020
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)					190
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,210
Gross Additions					190
Gross Reductions					0
Ending balance		$ 1,400			$ 1,400
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.38%	[13]		15.38%	[13]		15.38%	[16]
Spread		10.00%	[13]	10.00%	10.00%	[13]	10.00%	10.00%	[16]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					3		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					54	[16]	(2)
Gross Additions					1		0
Gross Reductions					0		0
Ending balance		$ 55	[13]	$ (2)	$ 55	[13]	$ (2)
Investment, Identifier [Axis]: Analytical Systems Keco Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.38%	[13]	15.25%	15.38%	[13]	15.25%	15.38%	[16]
Spread		10.00%	[13]	10.00%	10.00%	[13]	10.00%	10.00%	[16]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					87		95
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,020	[16]	1,135
Gross Additions					10		10
Gross Reductions					49		35
Ending balance		$ 981	[13]	$ 1,110	981	[13]	1,110
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]: ArborWorks, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				0
Ending balance	[11]	0			0
Investment, Identifier [Axis]: ArborWorks, LLC, Preferred Equity 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				7,468
Ending balance	[11]	6,667			6,667
Investment, Identifier [Axis]: ArborWorks, LLC, Preferred Equity 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				0
Ending balance	[11]	$ 0			$ 0
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.00%	[11],[13]		15.00%	[11],[13]		15.00%	[14]
PIK Rate		15.00%	[11],[13]		15.00%	[11],[13]		15.00%	[14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				$ 1,007
Ending balance	[11],[13]	$ 2,027			$ 2,027
Investment, Identifier [Axis]: ArborWorks, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.99%	[11],[13]		11.99%	[11],[13]		12.04%	[14],[16]
Spread		6.50%	[11],[13]		6.50%	[11],[13]		6.50%	[14],[16]
PIK Rate		11.99%	[11],[13]		11.99%	[11],[13]		12.04%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 3,765
Ending balance	[11],[13]	$ 4,033			4,033
Investment, Identifier [Axis]: Archer Systems, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				100
Ending balance	[11]	100			100
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11]	$ 1,000			$ 1,000
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13]	11.44%			11.44%
Spread	[11],[13]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 699			$ 699
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 2
Schedule of Investments [Line Items]
Spread	[11],[12],[13]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13]	$ (12)			$ (12)
Investment, Identifier [Axis]: BP Loenbro Holdings Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]	11.43%			11.43%
Spread	[11],[13]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 11,246			$ 11,246
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)					193		(93)
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,380	[14]	1,107
Gross Additions					193		0
Gross Reductions					0		94
Ending balance		1,573	[11],[19]	1,013	1,573	[11],[19]	1,013
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)					(50)		225
Amount of Interest, Fees or Dividends Credited to Income					45		64
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					680	[18]	455
Gross Additions					0		225
Gross Reductions					50		0
Ending balance		$ 630	[19]	680	$ 630	[19]	680
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)					(1)		1
Amount of Interest, Fees or Dividends Credited to Income					2		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[15]	(1)
Gross Additions					50		1
Gross Reductions					1		0
Ending balance		$ 49		$ 0	$ 49		$ 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		17
Amount of Interest, Fees or Dividends Credited to Income					2		66
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					30		1,205
Gross Additions					0		20
Gross Reductions					0		50
Ending balance		$ 30		$ 1,175	$ 30		1,175
Investment, Identifier [Axis]: Batjer TopCo, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.00%			10.00%			10.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(15)
Amount of Interest, Fees or Dividends Credited to Income					62
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,175
Gross Additions					2
Gross Reductions					15
Ending balance		$ 1,162			1,162
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[29]				200
Ending balance	[11]	878			878
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[18],[29]				2,560
Ending balance	[11],[30]	10			10
Investment, Identifier [Axis]: Berry Aviation, Inc., Preferred Member Units 3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[30]	$ 110			$ 110
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		10.25%	[11],[12],[13]		10.25%	[11],[12],[13]		7.25%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ (18)
Ending balance	[11],[12],[13]	$ (16)			$ (16)
Investment, Identifier [Axis]: Bettercloud, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.60%	[11],[13]		15.60%	[11],[13]		12.64%	[14],[16]
Spread		10.25%	[11],[13]		10.25%	[11],[13]		7.25%	[14],[16]
PIK Rate		9.25%	[11],[13]		9.25%	[11],[13]		6.25%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 7,998
Ending balance	[11],[13]	$ 8,385			8,385
Investment, Identifier [Axis]: Binswanger Enterprises, LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				120
Ending balance	[11]	580			580
Investment, Identifier [Axis]: Bluestem Brands, Inc., Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7]				533
Ending balance	[8]	$ 0			$ 0
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.94%	[8]		13.94%	[8]		16.00%	[7],[16]
Spread		8.50%	[8]		8.50%	[8]		7.50%	[7],[16]
PIK Rate		12.94%	[8]		12.94%	[8]		15.00%	[7],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]				$ 1,907
Ending balance	[8]	$ 178			$ 178
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		16.00%	[8],[13]		16.00%	[8],[13]		13.96%	[7],[16]
Spread		7.50%	[8],[13]		7.50%	[8],[13]		8.50%	[7],[16]
PIK Rate		15.00%	[8],[13]		15.00%	[8],[13]		12.96%	[7],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]				$ 3,695
Ending balance	[8],[13]	$ 2,770			$ 2,770
Investment, Identifier [Axis]: Bluestem Brands, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[8],[13]	13.94%			13.94%
Spread	[8],[13]	8.50%			8.50%
PIK Rate	[8],[13]	12.94%			12.94%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8],[13]	$ 3,850			$ 3,850
Investment, Identifier [Axis]: Bluestem Brands, Inc., Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[9]				129
Ending balance	[8],[10]	0			0
Investment, Identifier [Axis]: Boccella Precast Products LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					498
Ending balance	[19]	$ 80			$ 80
Investment, Identifier [Axis]: Boccella Precast Products LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.00%			10.00%			10.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 80
Ending balance		$ 66			66
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[31],[32]				0
Ending balance	[11],[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	[14],[31],[32]				310
Ending balance	[11],[33],[34]	$ 310			$ 310
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.00%	[11],[12],[13],[33],[34]		7.00%	[11],[12],[13],[33],[34]		7.00%	[14],[15],[16],[31],[32]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16],[31],[32]				$ (16)
Ending balance	[11],[12],[13],[33],[34]	$ (14)			$ (14)
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.45%	[11],[13],[33],[34]		11.45%	[11],[13],[33],[34]		11.54%	[14],[16],[31],[32]
Spread		6.00%	[11],[13],[33],[34]		6.00%	[11],[13],[33],[34]		6.00%	[14],[16],[31],[32]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[31],[32]				$ 4,040
Ending balance	[11],[13],[33],[34]	$ 4,009			$ 4,009
Investment, Identifier [Axis]: Bond Brand Loyalty ULC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.45%	[11],[13],[33],[34]		13.45%	[11],[13],[33],[34]		13.54%	[14],[16],[31],[32]
Spread		8.00%	[11],[13],[33],[34]		8.00%	[11],[13],[33],[34]		8.00%	[14],[16],[31],[32]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[31],[32]				$ 4,040
Ending balance	[11],[13],[33],[34]	$ 4,009			4,009
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)					(70)		(180)
Amount of Interest, Fees or Dividends Credited to Income					15		15
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,400	[18]	1,770
Gross Additions					0		0
Gross Reductions					70		180
Ending balance		$ 1,330	[19]	$ 1,590	$ 1,330	[19]	$ 1,590
Investment, Identifier [Axis]: Brewer Crane Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		15.48%	[13]	15.17%	15.48%	[13]	15.17%	15.46%	[16]
Spread		10.00%	[13]	10.00%	10.00%	[13]	10.00%	10.00%	[16]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		(16)
Amount of Interest, Fees or Dividends Credited to Income					107		107
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,374	[16]	1,491
Gross Additions					4		0
Gross Reductions					62		78
Ending balance		$ 1,316	[13]	$ 1,413	1,316	[13]	1,413
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]				1,360
Ending balance	[33],[37],[38]	1,205			1,205
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	[18],[31],[35],[36]				8,716
Ending balance	[19],[33],[37],[38]	$ 8,616			$ 8,616
Investment, Identifier [Axis]: Buca C, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		6.00%			6.00%			6.00%
PIK Rate		6.00%			6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 0
Ending balance		$ 0			0
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[27]							12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[27]				$ 8,218
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.00%			14.00%
PIK Rate		14.00%			14.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 39			$ 39
Investment, Identifier [Axis]: Buca C, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[25],[28]	14.00%			14.00%
PIK Rate	[25],[28]	14.00%			14.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[25],[28]	$ 8,344			$ 8,344
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[16]							10.46%
Spread		5.00%	[11],[12],[13]		5.00%	[11],[12],[13]		5.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 310
Ending balance	[11],[12],[13]	$ 0			$ 0
Investment, Identifier [Axis]: Burning Glass Intermediate Holding Company, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.44%	[11],[13]		10.44%	[11],[13]		10.46%	[14],[16]
Spread		5.00%	[11],[13]		5.00%	[11],[13]		5.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 13,121
Ending balance	[11],[13]	$ 12,847			12,847
Investment, Identifier [Axis]: CAI Software LLC, Preferred Equity 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					379
Ending balance		472			472
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]: CQ Fluency, LLC, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]	7.00%			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13]	$ (38)			$ (38)
Investment, Identifier [Axis]: CQ Fluency, LLC, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread	[11],[12],[13]	7.00%			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13]	$ (38)			$ (38)
Investment, Identifier [Axis]: CQ Fluency, LLC, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.44%			12.44%
Spread	[11],[13]	7.00%			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 7,334			$ 7,334
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[14]							7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				(44)
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread	[14]							7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				(44)
Investment, Identifier [Axis]: CQ Fluency, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14]							12.45%
Spread	[14]							7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				7,280
Investment, Identifier [Axis]: Career Team Holdings, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					500
Ending balance		$ 500			$ 500
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.38%	[13]		11.38%	[13]		11.38%	[16]
Spread		6.00%	[13]		6.00%	[13]		6.00%	[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]				$ 96
Ending balance	[13]	$ 96			$ 96
Investment, Identifier [Axis]: Career Team Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.00%			13.00%			13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 2,185
Ending balance		$ 2,172			2,172
Investment, Identifier [Axis]: CaseWorthy, Inc., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				80
Ending balance	[11]	$ 160			160
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[14],[15],[16]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				(3)
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[16]							11.61%
Spread	[14],[16]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				2,581
Investment, Identifier [Axis]: CaseWorthy, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[16]							11.61%
Spread	[14],[16]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 1,985
Investment, Identifier [Axis]: Central Moloney, LLC., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.08%			12.08%
Spread	[11],[13]	6.75%			6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 13,203			$ 13,203
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)					120		430
Amount of Interest, Fees or Dividends Credited to Income					15		15
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,760		2,170
Gross Additions					120		430
Gross Reductions					0		0
Ending balance		$ 2,880		$ 2,600	$ 2,880		$ 2,600
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		10.00%	[12],[13]	9.00%	10.00%	[12],[13]	9.00%	9.00%	[15],[16]
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	[15],[16]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 0	[12],[13]	$ 0	$ 0	[12],[13]	$ 0
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.48%	[13]	14.25%	15.48%	[13]	14.25%	14.48%	[16]
Spread		10.00%	[13]	9.00%	10.00%	[13]	9.00%	9.00%	[16]
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							22
Amount of Interest, Fees or Dividends Credited to Income							266
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 4,394	[16]	3,731
Gross Additions							27
Gross Reductions							0
Ending balance		$ 5,116	[13]	$ 3,758	$ 5,116	[13]	3,758
Investment, Identifier [Axis]: Centre Technologies Holdings, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		15.48%			15.48%
Spread		10.00%			10.00%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					58
Amount of Interest, Fees or Dividends Credited to Income					344
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					5,494
Gross Reductions					378
Ending balance		$ 5,116			5,116
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)					(29)
Amount of Interest, Fees or Dividends Credited to Income					84
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,394
Gross Additions					0
Gross Reductions					4,394
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)					180		262
Amount of Interest, Fees or Dividends Credited to Income					849		373
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					7,330	[18]	5,728
Gross Additions					180		262
Gross Reductions					0		0
Ending balance		7,510	[19]	5,990	7,510	[19]	5,990
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)					72		30
Amount of Interest, Fees or Dividends Credited to Income					12		12
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					715	[18],[29]	678
Gross Additions					74		30
Gross Reductions					1		0
Ending balance		$ 788	[19],[30]	$ 708	$ 788	[19],[30]	$ 708
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[12],[13]	6.00%	6.00%	[12],[13]	6.00%	6.00%	[15],[16]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(11)		19
Amount of Interest, Fees or Dividends Credited to Income					12		1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[15],[16]	0
Gross Additions					11		0
Gross Reductions					11		0
Ending balance		$ 0	[12],[13]	$ 0	$ 0	[12],[13]	$ 0
Investment, Identifier [Axis]: Chamberlin Holding LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.49%	[13]	13.36%	13.49%	[13]	13.36%	13.49%	[16]
Spread		8.00%	[13]	8.00%	8.00%	[13]	8.00%	8.00%	[16]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		(4)
Amount of Interest, Fees or Dividends Credited to Income					267		275
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,905	[16]	4,236
Gross Additions					0		4
Gross Reductions					0		138
Ending balance		$ 3,905	[13]	$ 4,102	$ 3,905	[13]	4,102
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.58%	[11],[13],[20]		12.58%	[11],[13],[20]		12.60%	[14],[16],[39]
Spread		7.00%	[11],[13],[20]		7.00%	[11],[13],[20]		7.00%	[14],[16],[39]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[39]				$ 183
Ending balance	[11],[13],[20]	$ 404			$ 404
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.55%	[11],[13]		12.55%	[11],[13]		12.66%	[14],[16]
Spread		7.00%	[11],[13]		7.00%	[11],[13]		7.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 3,224
Ending balance	[11],[13]	$ 3,151			$ 3,151
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.55%	[11],[13]		12.55%	[11],[13]		12.66%	[14],[16]
Spread		7.00%	[11],[13]		7.00%	[11],[13]		7.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 179
Ending balance	[11],[13]	$ 175			$ 175
Investment, Identifier [Axis]: Channel Partners Intermediateco, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.55%	[11],[13]		12.55%	[11],[13]		12.66%	[14],[16]
Spread		7.00%	[11],[13]		7.00%	[11],[13]		7.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 432
Ending balance	[11],[13]	$ 422			422
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)					(20)		120
Amount of Interest, Fees or Dividends Credited to Income					39		62
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,920	[18]	3,330
Gross Additions					0		120
Gross Reductions					20		0
Ending balance		3,900	[19]	3,450	3,900	[19]	3,450
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)					250		(460)
Amount of Interest, Fees or Dividends Credited to Income					105		69
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,300	[18]	2,060
Gross Additions					250		0
Gross Reductions					0		460
Ending balance		1,550	[19]	1,600	1,550	[19]	1,600
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)					(45)		55
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					282	[29]	152
Gross Additions					0		130
Gross Reductions					45		0
Ending balance		237	[30]	282	237	[30]	282
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate								11.50%
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,103		0
Gross Additions							0
Gross Reductions							0
Ending balance		0	[12]	$ 0	0	[12]	$ 0
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 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]: Clad-Rex Steel, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.50%		11.50%	11.50%		11.50%	10.00%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							(21)
Amount of Interest, Fees or Dividends Credited to Income							151
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 251		2,620
Gross Additions							0
Gross Reductions							211
Ending balance		$ 1,948		$ 2,409	$ 1,948		$ 2,409
Investment, Identifier [Axis]: Clad-Rex Steel, LLC, Secured Debt 2.1
Schedule of Investments [Line Items]
Total Rate		11.50%			11.50%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					127
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,103
Gross Additions					0
Gross Reductions					155
Ending balance		$ 1,948			$ 1,948
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%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					13		13
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					251		260
Gross Additions					0		0
Gross Reductions					5		4
Ending balance		$ 246		$ 256	246		256
Investment, Identifier [Axis]: Clarius BIGS, LLC, Secured Debt
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[26],[27]				16
Ending balance	[11],[25],[28]	16			16
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Preferred Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18]				4,000
Ending balance	[19]	617			617
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[16]							11.69%
Spread	[16]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]				1,140
Investment, Identifier [Axis]: Classic H&G Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate								8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,819
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)					500		1,730
Amount of Interest, Fees or Dividends Credited to Income					377		362
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					18,120	[18],[29]	14,550
Gross Additions					501		1,730
Gross Reductions					0		0
Ending balance		18,621	[19],[30]	16,280	18,621	[19],[30]	16,280
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)					2		2
Amount of Interest, Fees or Dividends Credited to Income					5		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[15]	0
Gross Additions					236		0
Gross Reductions					236		0
Ending balance		$ 0	[12]	$ 0	$ 0	[12]	$ 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)					(4)		28
Amount of Interest, Fees or Dividends Credited to Income					443		79
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					7,111		0
Gross Additions					4		7,871
Gross Reductions					234		0
Ending balance		$ 6,881		$ 7,871	6,881		$ 7,871
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)							(11)
Amount of Interest, Fees or Dividends Credited to Income							26
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							273
Gross Additions							14
Gross Reductions							287
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)							(96)
Amount of Interest, Fees or Dividends Credited to Income							500
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							6,882
Gross Additions							0
Gross Reductions							6,882
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	[19]	2,940			2,940
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)					(360)		360
Amount of Interest, Fees or Dividends Credited to Income					360		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					600		0
Gross Additions					0		600
Gross Reductions					600		0
Ending balance		0		600	0		600
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)					1,020		(370)
Amount of Interest, Fees or Dividends Credited to Income					139		(295)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,920		2,290
Gross Additions					1,020		0
Gross Reductions					0		370
Ending balance		2,940		1,920	2,940		1,920
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					1		12
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[15]	0
Gross Additions					0		400
Gross Reductions					0		400
Ending balance		$ 0	[12]	$ 0	$ 0	[12]	$ 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)					82		(77)
Amount of Interest, Fees or Dividends Credited to Income					326		362
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					5,407		5,729
Gross Additions					106		17
Gross Reductions					978		234
Ending balance		$ 4,535		$ 5,512	4,535		5,512
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)					117
Amount of Interest, Fees or Dividends Credited to Income					30
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,863
Gross Additions					117
Gross Reductions					0
Ending balance		$ 1,980			$ 1,980
Investment, Identifier [Axis]: Compass Systems & Sales, LLC, Secured Debt 1
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					3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[15]				0
Gross Additions					388
Gross Reductions					0
Ending balance		$ 388			$ 388
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					306
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,175
Gross Additions					13
Gross Reductions					0
Ending balance		$ 4,188			$ 4,188
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.47%	[11],[13],[20]		13.47%	[11],[13],[20]		13.52%	[14],[16],[40]
Spread		8.00%	[11],[13],[20]		8.00%	[11],[13],[20]		8.00%	[14],[16],[40]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[40]				$ 4,040
Ending balance	[11],[13],[20]	$ 4,926			$ 4,926
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[16]							13.52%
Spread		8.00%	[11],[12],[13]		8.00%	[11],[12],[13]		8.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 14,797
Ending balance	[11],[12],[13]	$ (56)			$ (56)
Investment, Identifier [Axis]: Computer Data Source, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]	13.47%			13.47%
Spread	[11],[13]	8.00%			8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 14,978			$ 14,978
Investment, Identifier [Axis]: Construction Supply Investments, LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				23,135
Ending balance	[11]	22,430			22,430
Investment, Identifier [Axis]: Copper Trail Fund Investments, LP Interests (CTMH, LP)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					568	[18],[31],[35],[36]	588
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 568	[19],[33],[37],[38]	588	$ 568	[19],[33],[37],[38]	588
Investment, Identifier [Axis]: Coregistics Buyer LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[13],[34]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13],[34]	$ 105			$ 105
Investment, Identifier [Axis]: Coregistics Buyer LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13],[34]	11.83%			11.83%
Spread	[11],[13],[34]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13],[34]	$ 2,816			$ 2,816
Investment, Identifier [Axis]: Coregistics Buyer LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13],[34]	12.01%			12.01%
Spread	[11],[13],[34]	6.75%			6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13],[34]	$ 8,439			$ 8,439
Investment, Identifier [Axis]: Creative Foam Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13]	$ (31)			$ (31)
Investment, Identifier [Axis]: Creative Foam Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]	11.09%			11.09%
Spread	[11],[13]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 10,722			$ 10,722
Investment, Identifier [Axis]: DMA Industries, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,920
Ending balance		$ 2,253			2,253
Investment, Identifier [Axis]: DMA Industries, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate								12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 4,700
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		$ 140			$ 140
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		$ 4,200			$ 4,200
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class A Preferred Member Units
Schedule of Investments [Line Items]
Total Rate		8.00%	[11]		8.00%	[11]		8.00%	[14]
PIK Rate		8.00%	[11]		8.00%	[11]		8.00%	[14]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				$ 260
Ending balance	[11]	$ 0			$ 0
Investment, Identifier [Axis]: DTE Enterprises, LLC, Class AA Preferred Member Units (non-voting)
Schedule of Investments [Line Items]
Total Rate		10.00%	[11],[19]		10.00%	[11],[19]		10.00%	[14],[18]
PIK Rate		10.00%	[11],[19]		10.00%	[11],[19]		10.00%	[14],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[18]				$ 1,283
Ending balance	[11],[19]	$ 855			855
Investment, Identifier [Axis]: Dalton US Inc., Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				60
Ending balance	[11]	60			60
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)					10		(40)
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					10		300
Gross Additions					10		0
Gross Reductions					0		40
Ending balance		$ 20		$ 260	$ 20		$ 260
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					2		1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					49		25
Gross Additions					25		64
Gross Reductions					45		10
Ending balance		$ 29		$ 79	$ 29		$ 79
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)					0		0
Amount of Interest, Fees or Dividends Credited to Income					57		59
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					844		865
Gross Additions					11		11
Gross Reductions					15		14
Ending balance		$ 840		$ 862	840		862
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					25		25
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,459	[18]	2,459
Gross Additions					1		0
Gross Reductions					0		0
Ending balance		$ 2,460	[19]	$ 2,459	$ 2,460	[19]	$ 2,459
Investment, Identifier [Axis]: Digital Products Holdings LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		15.38%	[13]	15.25%	15.38%	[13]	15.25%	15.38%	[16]
Spread		10.00%	[13]	10.00%	10.00%	[13]	10.00%	10.00%	[16]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					279		288
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,673	[16]	3,878
Gross Additions					8		0
Gross Reductions					363		195
Ending balance		$ 3,318	[13]	$ 3,683	3,318	[13]	3,683
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)					(280)		280
Amount of Interest, Fees or Dividends Credited to Income					0		86
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					5,180	[18]	5,558
Gross Additions					0		282
Gross Reductions					280		0
Ending balance		4,900		5,840	4,900		5,840
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate								14.00%
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					(1)		(1)
Amount of Interest, Fees or Dividends Credited to Income					7		3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					217		0
Gross Additions					226		1
Gross Reductions					443		1
Ending balance		$ 0	[12]	$ 0	$ 0	[12]	$ 0
Investment, Identifier [Axis]: Direct Marketing Solutions, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.00%		13.00%	14.00%		13.00%	14.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(7)		(11)
Amount of Interest, Fees or Dividends Credited to Income					354		372
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					5,002		5,352
Gross Additions					7		11
Gross Reductions					174		174
Ending balance		$ 4,835		$ 5,189	4,835		5,189
Investment, Identifier [Axis]: Dynamic Communities, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				0
Ending balance	[11]	0			0
Investment, Identifier [Axis]: Dynamic Communities, LLC, Preferred Equity 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				60
Ending balance	[11]	60			60
Investment, Identifier [Axis]: Dynamic Communities, LLC, Preferred Equity 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				0
Ending balance	[11]	$ 0			$ 0
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.44%	[11],[13]		11.44%	[11],[13]		10.45%	[14],[16]
Spread		6.00%	[11],[13]		6.00%	[11],[13]		5.00%	[14],[16]
PIK Rate		11.44%	[11],[13]		11.44%	[11],[13]		10.45%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 1,912
Ending balance	[11],[13]	$ 2,025			$ 2,025
Investment, Identifier [Axis]: Dynamic Communities, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.44%	[11],[13]		13.44%	[11],[13]		12.45%	[14],[16]
Spread		8.00%	[11],[13]		8.00%	[11],[13]		7.00%	[14],[16]
PIK Rate		13.44%	[11],[13]		13.44%	[11],[13]		12.45%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 1,859
Ending balance	[11],[13]	$ 1,997			$ 1,997
Investment, Identifier [Axis]: Dynata, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[8],[13]	14.21%			14.21%
Spread	[8],[13]	8.75%			8.75%
PIK Rate	[8],[13]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8],[13]	$ 303			$ 303
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Common Stock 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					390
Ending balance		370			370
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Common Stock 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[29]				109
Ending balance	[30]	$ 114			$ 114
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[12],[13]		6.00%	[12],[13]		6.00%	[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[15],[16]				$ 0
Ending balance	[12],[13]	$ 0			$ 0
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%			12.00%			12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 1,200
Ending balance		$ 1,173			$ 1,173
Investment, Identifier [Axis]: Elgin AcquireCo, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		9.00%			9.00%			9.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 409
Ending balance		$ 407			$ 407
Investment, Identifier [Axis]: Emerald Technologies Acquisition Co, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.75%	[8],[13]		11.75%	[8],[13]		11.79%	[7],[16]
Spread		6.25%	[8],[13]		6.25%	[8],[13]		6.25%	[7],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]				$ 2,175
Ending balance	[8],[13]	$ 2,123			$ 2,123
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13],[20]	14.00%			14.00%
Spread		5.50%	[11],[13],[20]		5.50%	[11],[13],[20]		5.50%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ 0
Ending balance	[11],[13],[20]	$ 103			$ 103
Investment, Identifier [Axis]: Engineering Research & Consulting, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.94%	[11],[13]		11.94%	[11],[13]		11.98%	[14],[16]
Spread		6.50%	[11],[13]		6.50%	[11],[13]		6.50%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 5,095
Ending balance	[11],[13]	$ 4,998			4,998
Investment, Identifier [Axis]: Escalent, Inc., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				190
Ending balance	[11]	$ 200			$ 200
Investment, Identifier [Axis]: Escalent, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		8.00%	[11],[12],[13]		8.00%	[11],[12],[13]		8.00%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ (9)
Ending balance	[11],[12],[13]	$ (8)			$ (8)
Investment, Identifier [Axis]: Escalent, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.43%	[11],[13]		13.43%	[11],[13]		13.45%	[14],[16]
Spread		8.00%	[11],[13]		8.00%	[11],[13]		8.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 6,924
Ending balance	[11],[13]	$ 6,890			$ 6,890
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.60%	[11],[13]		13.60%	[11],[13]		12.61%	[14],[16]
Spread		8.00%	[11],[13]		8.00%	[11],[13]		7.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 302
Ending balance	[11],[13]	$ 308			$ 308
Investment, Identifier [Axis]: Event Holdco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.60%	[11],[13]		13.60%	[11],[13]		12.61%	[14],[16]
Spread		8.00%	[11],[13]		8.00%	[11],[13]		7.00%	[14],[16]
PIK Rate	[11],[13]	8.00%			8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 3,614
Ending balance	[11],[13]	$ 3,809			$ 3,809
Investment, Identifier [Axis]: FCC Intermediate Holdco, LLC (SupplyCore), Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%			13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 7,014			$ 7,014
Investment, Identifier [Axis]: FCC Intermediate Holdco, LLC (SupplyCore), Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[10]	$ 980			980
Investment, Identifier [Axis]: Fidelity Government Portfolio Class III Fund
Schedule of Investments [Line Items]
Total Rate								5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[41]				$ 3,188
Investment, Identifier [Axis]: First American Treasury Obligations Fund Class Z
Schedule of Investments [Line Items]
Total Rate		5.17%			5.17%			5.23%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[42]				$ 17,656
Ending balance	[43]	$ 15,016			15,016
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)					1,970		1,690
Amount of Interest, Fees or Dividends Credited to Income					393		513
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					6,970	[18]	4,400
Gross Additions					1,970		1,690
Gross Reductions					0		0
Ending balance		8,940	[19]	$ 6,090	8,940	[19]	$ 6,090
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)							(15)
Amount of Interest, Fees or Dividends Credited to Income							121
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							1,900
Gross Additions							15
Gross Reductions							1,915
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)							(123)
Amount of Interest, Fees or Dividends Credited to Income							478
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							5,300
Gross Additions							123
Gross Reductions							5,423
Ending balance				$ 0			0
Investment, Identifier [Axis]: Freeport Financial Funds, LP Interests (Freeport First Lien Loan Fund III LP)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					255		291
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,705	[18],[31],[35],[36]	5,848
Gross Additions					0		0
Gross Reductions					1,109		536
Ending balance		2,596	[19],[33],[37],[38]	5,312	2,596	[19],[33],[37],[38]	5,312
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)					(410)		290
Amount of Interest, Fees or Dividends Credited to Income					195		26
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,870	[18]	1,790
Gross Additions					0		290
Gross Reductions					410		0
Ending balance		$ 2,460	[19]	$ 2,080	$ 2,460	[19]	$ 2,080
Investment, Identifier [Axis]: GFG Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		8.00%		9.00%	8.00%		9.00%	8.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(7)		(9)
Amount of Interest, Fees or Dividends Credited to Income					102		137
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,336		2,836
Gross Additions					7		9
Gross Reductions					7		9
Ending balance		$ 2,336		$ 2,836	2,336		2,836
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					41		41
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					21,890		21,890
Gross Additions					0		0
Gross Reductions					1		0
Ending balance		$ 21,889	[19]	$ 21,890	$ 21,889	[19]	$ 21,890
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.48%		11.17%	11.48%		11.17%	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)					5		1
Amount of Interest, Fees or Dividends Credited to Income					76		31
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,182		330
Gross Additions					368		310
Gross Reductions					0		0
Ending balance		$ 1,550		$ 640	$ 1,550		$ 640
Investment, Identifier [Axis]: GRT Rubber Technologies LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.48%		13.17%	13.48%		13.17%	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)					(25)		(24)
Amount of Interest, Fees or Dividends Credited to Income					1,383		1,304
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					19,944		19,943
Gross Additions					25		26
Gross Reductions					25		25
Ending balance		$ 19,944		$ 19,944	19,944		19,944
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)					2,460		4,820
Amount of Interest, Fees or Dividends Credited to Income					751		727
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					24,180	[18]	12,720
Gross Additions					2,460		4,820
Gross Reductions					0		0
Ending balance		$ 26,640	[19]	$ 17,540	$ 26,640	[19]	$ 17,540
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.50%	[12],[13],[23]	8.50%	7.50%	[12],[13],[23]	8.50%	7.50%	[15],[16],[24]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
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	[15],[16],[24]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 0	[12],[13],[23]	$ 0	$ 0	[12],[13],[23]	$ 0
Investment, Identifier [Axis]: Gamber-Johnson Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.50%	[13],[23]	11.00%	10.50%	[13],[23]	11.00%	10.50%	[16],[24]
Spread		7.50%	[13],[23]	8.00%	7.50%	[13],[23]	8.00%	7.50%	[16],[24]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(37)		(44)
Amount of Interest, Fees or Dividends Credited to Income					713		925
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					13,520	[16],[24]	16,020
Gross Additions					37		44
Gross Reductions					1,237		1,144
Ending balance		$ 12,320	[13],[23]	$ 14,920	12,320	[13],[23]	14,920
Investment, Identifier [Axis]: Garyline, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				210
Ending balance	[11]	$ 240			$ 240
Investment, Identifier [Axis]: Garyline, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13],[20]	11.93%			11.93%
Spread		6.50%	[11],[13],[20]		6.50%	[11],[13],[20]		6.75%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ (76)
Ending balance	[11],[13],[20]	$ 837			$ 837
Investment, Identifier [Axis]: Garyline, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.93%	[11],[13]		11.93%	[11],[13]		12.22%	[14],[16]
Spread		6.50%	[11],[13]		6.50%	[11],[13]		6.75%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 9,384
Ending balance	[11],[13]	$ 9,577			$ 9,577
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		9.50%			9.50%
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]: Gulf Publishing Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%			12.50%
PIK Rate		12.50%			12.50%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					(84)
Amount of Interest, Fees or Dividends Credited to Income					19
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					571
Gross Additions					0
Gross Reductions					84
Ending balance		$ 487			487
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)					(620)		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					620		950
Gross Additions					0		0
Gross Reductions					620		0
Ending balance		$ 0		$ 950	$ 0		$ 950
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		9.50%	[12],[13],[25]	9.50%	9.50%	[12],[13],[25]	9.50%	9.50%	[15],[16]
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	[15],[16]	0
Gross Additions							0
Gross Reductions							0
Ending balance		$ 0	[12],[13],[25]	$ 0	$ 0	[12],[13],[25]	$ 0
Investment, Identifier [Axis]: Gulf Publishing Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%	[25]	12.50%	12.50%	[25]	12.50%	12.50%
PIK Rate	[25]	12.50%			12.50%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							38
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 571		571
Gross Additions							0
Gross Reductions							0
Ending balance		$ 487	[25]	$ 571	487	[25]	571
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11]	$ 0			$ 0
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		9.10%	[11],[13]		9.10%	[11],[13]		14.34%	[14],[16],[27]
Spread		3.50%	[11],[13]		3.50%	[11],[13]		9.50%	[14],[16],[27]
PIK Rate		2.50%	[11],[13]		2.50%	[11],[13]		14.34%	[14],[16],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[27]				$ 186
Ending balance	[11],[13]	$ 1,272			$ 1,272
Investment, Identifier [Axis]: HDC/HW Intermediate Holdings, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		2.50%	[11],[25]		2.50%	[11],[25]		14.34%	[14],[16],[27]
Spread	[14],[16],[27]							9.50%
PIK Rate		2.50%	[11],[25]		2.50%	[11],[25]		14.34%	[14],[16],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[27]				$ 1,849
Ending balance	[11],[25]	$ 359			$ 359
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 3
Schedule of Investments [Line Items]
Spread	[11],[12],[13]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13]	$ (19)			$ (19)
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 5
Schedule of Investments [Line Items]
Total Rate		11.83%			11.83%
Spread	[11],[13]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 2,400			$ 2,400
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.50%	[11],[12],[13]		6.50%	[11],[12],[13]		6.50%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ (14)
Ending balance	[11],[12],[13]	$ (12)			$ (12)
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.84%	[11],[13]		11.84%	[11],[13]		11.86%	[14],[16]
Spread		6.50%	[11],[13]		6.50%	[11],[13]		6.50%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 1,995
Ending balance	[11],[13]	$ 1,985			1,985
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[16]							11.86%
Spread	[14],[16]							6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 4,925
Investment, Identifier [Axis]: HEADLANDS OP-CO LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[11],[13]	11.84%			11.84%
Spread	[11],[13]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 4,900			$ 4,900
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)					97		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					97		283
Gross Reductions					0		508
Ending balance		4,322		4,106	4,322		4,106
Investment, Identifier [Axis]: Harris Preston Fund Investments, LP Interests (2717 MH, L.P.)
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					57		1,677
Amount of Unrealized Gain/(Loss)					2,941		(675)
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	[18],[31],[35],[36]	7,552
Gross Additions					2,998		2,077
Gross Reductions					57		3,283
Ending balance		8,991	[19],[33],[37],[38]	6,346	8,991	[19],[33],[37],[38]	6,346
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	[19],[33],[37],[38]	4,322			4,322
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Preferred Member Units 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,370
Ending balance	[19]	4,510			4,510
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Preferred Member Units 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[29]				230
Ending balance	[30]	$ 240			$ 240
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.48%	[13]		11.48%	[13]		11.65%	[16]
Spread		6.00%	[13]		6.00%	[13]		6.00%	[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]				$ 494
Ending balance	[13]	$ 522			$ 522
Investment, Identifier [Axis]: Hawk Ridge Systems, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%			12.50%			12.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 9,744
Ending balance		$ 9,744			$ 9,744
Investment, Identifier [Axis]: Hybrid Promotions, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		15.81%	[11],[13]		15.81%	[11],[13]		15.91%	[14],[16]
Spread		8.25%	[11],[13]		8.25%	[11],[13]		8.25%	[14],[16]
PIK Rate		2.00%	[11],[13]		2.00%	[11],[13]		2.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 7,313
Ending balance	[11],[13]	$ 7,995			7,995
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)					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					3,600		0
Gross Additions					0		3,774
Gross Reductions					0		0
Ending balance		3,600		3,774	3,600		3,774
Investment, Identifier [Axis]: IG Investor, 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					5		1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					(27)	[15]	0
Gross Additions					3		170
Gross Reductions					0		200
Ending balance		$ (24)	[12]	$ (30)	$ (24)	[12]	$ (30)
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					634		39
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					9,069		0
Gross Additions					33		9,148
Gross Reductions					221		0
Ending balance		$ 8,881		$ 9,148	$ 8,881		9,148
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Spread		5.75%	[8],[12],[13]		5.75%	[8],[12],[13]		5.75%	[7],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[15],[16]				$ 0
Ending balance	[8],[12],[13]	$ 0			$ 0
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.19%	[8],[13]		11.19%	[8],[13]		10.96%	[7],[16]
Spread		5.75%	[8],[13]		5.75%	[8],[13]		5.50%	[7],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]				$ 6,266
Ending balance	[8],[13]	$ 6,154			$ 6,154
Investment, Identifier [Axis]: IG Parent Corporation, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.19%	[8],[13]		11.19%	[8],[13]		10.96%	[7],[16]
Spread		5.75%	[8],[13]		5.75%	[8],[13]		5.50%	[7],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]				$ 1,942
Ending balance	[8],[13]	$ 1,932			$ 1,932
Investment, Identifier [Axis]: INW Manufacturing, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		11.35%	[8],[13]		11.35%	[8],[13]		11.36%	[7],[16]
Spread		5.75%	[8],[13]		5.75%	[8],[13]		5.75%	[7],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]				$ 5,325
Ending balance	[8],[13]	$ 5,434			$ 5,434
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		16.46%	[13]		16.46%	[13]		16.59%	[16]
Spread		9.00%	[13]		9.00%	[13]		9.00%	[16]
PIK Rate		2.00%	[13]		2.00%	[13]		2.00%	[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]				$ 201
Ending balance	[13]	$ 293			$ 293
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		16.46%	[13]		16.46%	[13]		16.59%	[16]
Spread		9.00%	[13]		9.00%	[13]		9.00%	[16]
PIK Rate		2.00%	[13]		2.00%	[13]		2.00%	[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]				$ 174
Ending balance	[13]	$ 176			$ 176
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		15.46%	[13]		15.46%	[13]		15.59%	[16]
Spread		8.00%	[13]		8.00%	[13]		8.00%	[16]
PIK Rate		2.00%	[13]		2.00%	[13]		2.00%	[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]				$ 842
Ending balance	[13]	$ 894			$ 894
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		17.46%	[13]		17.46%	[13]		17.59%	[16]
Spread		10.00%	[13]		10.00%	[13]		10.00%	[16]
PIK Rate		2.00%	[13]		2.00%	[13]		2.00%	[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[16]				$ 848
Ending balance	[13]	$ 894			894
Investment, Identifier [Axis]: ITA Holdings Group, LLC, Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[9]				523
Ending balance	[10]	660			660
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				550
Ending balance	[11]	$ 570			$ 570
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.28%	[11],[13],[20]		12.28%	[11],[13],[20]		12.41%	[14],[16],[44]
Spread		7.00%	[11],[13],[20]		7.00%	[11],[13],[20]		7.00%	[14],[16],[44]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[44]				$ 786
Ending balance	[11],[13],[20]	$ 395			$ 395
Investment, Identifier [Axis]: Imaging Business Machines, L.L.C., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.25%	[11],[13]		12.25%	[11],[13]		12.45%	[14],[16]
Spread		7.00%	[11],[13]		7.00%	[11],[13]		7.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 10,318
Ending balance	[11],[13]	$ 10,332			$ 10,332
Investment, Identifier [Axis]: Implus Footcare, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.24%	[11],[13]		14.24%	[11],[13]		14.25%	[14],[16]
Spread		7.75%	[11],[13]		7.75%	[11],[13]		7.75%	[14],[16]
PIK Rate		1.00%	[11],[13]		1.00%	[11],[13]		1.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 15,816
Ending balance	[11],[13]	$ 16,315			16,315
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)					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					6,320	[14]	0
Gross Additions					150		6,540
Gross Reductions					0		0
Ending balance		6,470	[11]	6,540	6,470	[11]	6,540
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Member Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[29]				1,610
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units 1
Schedule of Investments [Line Items]
Total Rate	[14],[18],[29]							10.00%
PIK Rate	[14],[18],[29]							10.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[18],[29]				415
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Preferred Member Units 2
Schedule of Investments [Line Items]
Total Rate	[14],[18],[29]							20.00%
PIK Rate	[14],[18],[29]							20.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[18],[29]				279
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[16],[45]							12.22%
Spread	[14],[16],[45]							6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[45]				752
Investment, Identifier [Axis]: Industrial Services Acquisition, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[16]							12.22%
Spread	[14],[16]							6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				11,436
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,000
Ending balance	[19]	$ 1,092			$ 1,092
Investment, Identifier [Axis]: Infinity X1 Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%			13.00%			13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 4,314
Ending balance		$ 3,818			3,818
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[16]							11.21%
Spread	[14],[16]							5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				1,881
Investment, Identifier [Axis]: Infolinks Media Buyco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[16]							11.21%
Spread	[14],[16]							5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				9,690
Investment, Identifier [Axis]: Insight Borrower Corporation, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				239
Ending balance	[11]	$ 130			$ 130
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.25%	[11],[12],[13]		6.25%	[11],[12],[13]		6.25%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ (40)
Ending balance	[11],[12],[13]	$ (36)			$ (36)
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 2
Schedule of Investments [Line Items]
Spread		6.25%	[11],[12],[13]		6.25%	[11],[12],[13]		6.25%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ (33)
Ending balance	[11],[12],[13]	$ (30)			$ (30)
Investment, Identifier [Axis]: Insight Borrower Corporation, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.58%	[11],[13]		11.58%	[11],[13]		11.65%	[14],[16]
Spread		6.25%	[11],[13]		6.25%	[11],[13]		6.25%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 8,287
Ending balance	[11],[13]	$ 8,010			8,010
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				190
Ending balance	[11]	$ 70			$ 70
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.44%	[11],[13],[20]		13.44%	[11],[13],[20]		13.53%	[14],[16],[46]
Spread		8.00%	[11],[13],[20]		8.00%	[11],[13],[20]		8.00%	[14],[16],[46]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[46]				$ 664
Ending balance	[11],[13],[20]	$ 619			$ 619
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.43%	[11],[13]		13.43%	[11],[13]		13.55%	[14],[16]
Spread		8.00%	[11],[13]		8.00%	[11],[13]		8.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 6,144
Ending balance	[11],[13]	$ 5,694			$ 5,694
Investment, Identifier [Axis]: Inspire Aesthetics Management, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.43%	[11],[13]		13.43%	[11],[13]		13.55%	[14],[16]
Spread		8.00%	[11],[13]		8.00%	[11],[13]		8.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 1,237
Ending balance	[11],[13]	$ 1,147			1,147
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)					450		(530)
Amount of Interest, Fees or Dividends Credited to Income					25		13
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					190	[14]	1,490
Gross Additions					450		0
Gross Reductions					0		530
Ending balance		$ 640	[11]	$ 960	$ 640	[11]	$ 960
Investment, Identifier [Axis]: Integral Energy Services, Preferred Equity
Schedule of Investments [Line Items]
Total Rate		10.00%	[11],[19]		10.00%	[11],[19]		10.00%	[14]
PIK Rate		10.00%	[11],[19]		10.00%	[11],[19]		10.00%	[14]
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					153
Amount of Interest, Fees or Dividends Credited to Income					17
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				350
Gross Additions					170
Gross Reductions					0
Ending balance	[11],[19]	$ 520			$ 520
Investment, Identifier [Axis]: Integral Energy Services, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.06%	[11],[13]	13.04%	13.06%	[11],[13]	13.04%	13.16%	[14],[16]
Spread		7.50%	[11],[13]	7.50%	7.50%	[11],[13]	7.50%	7.50%	[14],[16]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					388		(265)
Amount of Interest, Fees or Dividends Credited to Income					1,113		1,208
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					16,232	[14],[16]	18,425
Gross Additions					442		39
Gross Reductions					1,835		265
Ending balance		$ 14,839	[11],[13]	$ 18,199	14,839	[11],[13]	18,199
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				0
Ending balance	[11]	$ 0			$ 0
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		15.44%	[11],[20],[28]		15.44%	[11],[20],[28]		15.48%	[14],[27],[47]
Spread		10.00%	[11],[20],[28]		10.00%	[11],[20],[28]		10.00%	[14],[27],[47]
PIK Rate	[11],[20],[28]	15.43%			15.43%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[27],[47]				$ 1,781
Ending balance	[11],[20],[28]	$ 1,767			$ 1,767
Investment, Identifier [Axis]: Interface Security Systems, L.L.C, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.44%	[11],[13],[25],[28]		12.44%	[11],[13],[25],[28]		12.46%	[14],[16],[26],[27]
Spread		7.00%	[11],[13],[25],[28]		7.00%	[11],[13],[25],[28]		7.00%	[14],[16],[26],[27]
PIK Rate		12.44%	[11],[13],[25],[28]		12.44%	[11],[13],[25],[28]		12.46%	[14],[16],[26],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[26],[27]				$ 433
Ending balance	[11],[13],[25],[28]	$ 100			100
Investment, Identifier [Axis]: Intermedia Holdings, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[16]							11.47%
Spread	[7],[16]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]				$ 5,370
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[16]							12.00%
Spread		6.50%	[11],[12],[13],[20]		6.50%	[11],[12],[13],[20]		6.50%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 509
Ending balance	[11],[12],[13],[20]	$ (2)			$ (2)
Investment, Identifier [Axis]: Invincible Boat Company, LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.98%	[11],[13]		11.98%	[11],[13]		12.00%	[14],[16]
Spread		6.50%	[11],[13]		6.50%	[11],[13]		6.50%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 16,515
Ending balance	[11],[13]	$ 16,517			16,517
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 178			$ 178
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.50%			13.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 723			$ 723
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		13.50%			13.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 4,334			$ 4,334
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					670
Ending balance		$ 670			$ 670
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.50%			13.50%			13.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 1,108
Ending balance		$ 1,111			1,111
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate								13.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 722
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		13.50%			13.50%			13.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 2,236
Ending balance		$ 2,236			2,236
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate								13.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 4,815
Investment, Identifier [Axis]: Iron-Main Investments, LLC, Secured Debt 5
Schedule of Investments [Line Items]
Total Rate		13.50%			13.50%			13.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 2,525
Ending balance		$ 2,443			2,443
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		11.93%	[8],[13]		11.93%	[8],[13]		11.04%	[7],[16]
Spread		6.50%	[8],[13]		6.50%	[8],[13]		5.50%	[7],[16]
PIK Rate		9.43%	[8],[13]		9.43%	[8],[13]		8.54%	[7],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]				$ 2,301
Ending balance	[8],[13]	$ 2,489			$ 2,489
Investment, Identifier [Axis]: Island Pump and Tank, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13]	$ (9)			$ (9)
Investment, Identifier [Axis]: Island Pump and Tank, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]	11.10%			11.10%
Spread	[11],[13]	5.50%			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 1,703			$ 1,703
Investment, Identifier [Axis]: Island Pump and Tank, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.10%			12.10%
Spread	[11],[13]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 1,703			$ 1,703
Investment, Identifier [Axis]: Island Pump and Tank, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[11],[13]	13.10%			13.10%
Spread	[11],[13]	7.50%			7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 1,703			$ 1,703
Investment, Identifier [Axis]: JDC Power Services, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]	6.75%			6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13]	$ (52)			$ (52)
Investment, Identifier [Axis]: JDC Power Services, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.08%			12.08%
Spread	[11],[13]	6.75%			6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 17,455			$ 17,455
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				140
Ending balance	[11]	$ 90			$ 90
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.83%	[11],[13],[20]		11.83%	[11],[13],[20]		11.64%	[14],[16],[48]
Spread		6.25%	[11],[13],[20]		6.25%	[11],[13],[20]		6.00%	[14],[16],[48]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[48]				$ 261
Ending balance	[11],[13],[20]	$ 671			$ 671
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.83%	[11],[13]		11.83%	[11],[13]		11.61%	[14],[16]
Spread		6.25%	[11],[13]		6.25%	[11],[13]		6.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 3,000
Ending balance	[11],[13]	$ 2,832			$ 2,832
Investment, Identifier [Axis]: JTI Electrical & Mechanical, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]	11.83%			11.83%
Spread	[11],[13]	6.25%			6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 265			$ 265
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				2,190
Ending balance	[11]	$ 1,740			$ 1,740
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.47%	[11],[13],[17]		12.47%	[11],[13],[17]		12.46%	[14],[16],[49]
Spread		7.00%	[11],[13],[17]		7.00%	[11],[13],[17]		7.00%	[14],[16],[49]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[49]				$ 1,675
Ending balance	[11],[13],[17]	$ 1,647			$ 1,647
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.46%	[11],[13]		15.46%	[11],[13]		12.46%	[14],[16]
Spread		10.00%	[11],[13]		10.00%	[11],[13]		7.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 3,948
Ending balance	[11],[13]	$ 849			$ 849
Investment, Identifier [Axis]: Jackmont Hospitality, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.48%			12.48%
Spread	[11],[13]	7.00%			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 3,835			$ 3,835
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]	$ 166			$ 166
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		21.59%	[8],[13],[25]		21.59%	[8],[13],[25]		23.63%	[7],[16],[26]
Spread		16.00%	[8],[13],[25]		16.00%	[8],[13],[25]		18.00%	[7],[16],[26]
PIK Rate		21.59%	[8],[13],[25]		21.59%	[8],[13],[25]		23.63%	[7],[16],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16],[26]				$ 1,747
Ending balance	[8],[13],[25]	$ 0			$ 0
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		21.59%	[8],[13],[25]		21.59%	[8],[13],[25]		21.63%	[7],[16],[26]
Spread		16.00%	[8],[13],[25]		16.00%	[8],[13],[25]		16.00%	[7],[16],[26]
PIK Rate		21.59%	[8],[13],[25]		21.59%	[8],[13],[25]		21.63%	[7],[16],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16],[26]				$ 121
Ending balance	[8],[13],[25]	$ 0			$ 0
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		14.35%	[8],[13]		14.35%	[8],[13]		21.63%	[7],[16],[26]
Spread		8.75%	[8],[13]		8.75%	[8],[13]		16.00%	[7],[16],[26]
PIK Rate		6.00%	[8],[13]		6.00%	[8],[13]		21.63%	[7],[16],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16],[26]				$ 117
Ending balance	[8],[13]	$ 1,640			$ 1,640
Investment, Identifier [Axis]: Joerns Healthcare, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[8],[13]	14.35%			14.35%
Spread	[8],[13]	8.75%			8.75%
PIK Rate	[8],[13]	14.35%			14.35%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[8],[13]	$ 997			$ 997
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,070
Ending balance	[19]	1,450			1,450
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[15]				0
Ending balance	[12]	$ 0			$ 0
Investment, Identifier [Axis]: Johnson Downie Opco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		15.00%			15.00%			15.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 2,690
Ending balance		$ 2,390			2,390
Investment, Identifier [Axis]: JorVet Holdings, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18]				1,193
Ending balance	[19]	$ 1,193			$ 1,193
Investment, Identifier [Axis]: JorVet Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.00%			12.00%			12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 2,814
Ending balance		$ 2,748			$ 2,748
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.73%	[11],[13]		12.73%	[11],[13]		14.75%	[14],[16]
Spread		7.25%	[11],[13]		7.25%	[11],[13]		9.25%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 1,180
Ending balance	[11],[13]	$ 1,210			$ 1,210
Investment, Identifier [Axis]: KMS, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.73%	[11],[13]		12.73%	[11],[13]		14.75%	[14],[16]
Spread		7.25%	[11],[13]		7.25%	[11],[13]		9.25%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 8,475
Ending balance	[11],[13]	$ 8,718			8,718
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)					(60)		(18)
Amount of Interest, Fees or Dividends Credited to Income					16		15
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					683	[29]	713
Gross Additions					0		0
Gross Reductions					60		18
Ending balance		623	[19],[30]	695	623	[19],[30]	695
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)					560		130
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,420		1,800
Gross Additions					560		130
Gross Reductions					0		0
Ending balance		$ 2,980		$ 1,930	$ 2,980		$ 1,930
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					294		355
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,933		5,093
Gross Additions					5		54
Gross Reductions					601		0
Ending balance		$ 4,337		$ 5,147	$ 4,337		$ 5,147
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					44		44
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					951		961
Gross Additions					41		0
Gross Reductions					5		5
Ending balance		$ 987		$ 956	$ 987		956
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.68%	[11],[13]		12.68%	[11],[13]		12.71%	[14],[16]
Spread		7.25%	[11],[13]		7.25%	[11],[13]		7.25%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 7,960
Ending balance	[11],[13]	$ 7,894			$ 7,894
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.68%	[11],[13]		12.68%	[11],[13]		12.71%	[14],[16]
Spread		7.25%	[11],[13]		7.25%	[11],[13]		7.25%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 5,246
Ending balance	[11],[13]	$ 5,207			$ 5,207
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.68%	[11],[13]		12.68%	[11],[13]		12.71%	[14],[16]
Spread		7.25%	[11],[13]		7.25%	[11],[13]		7.25%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 0
Ending balance	[11],[13]	$ 865			$ 865
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.67%	[11],[13]		12.67%	[11],[13]		12.71%	[14],[16]
Spread		7.25%	[11],[13]		7.25%	[11],[13]		7.25%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 871
Ending balance	[11],[13]	$ 8,758			8,758
Investment, Identifier [Axis]: LL Management, Inc., Secured Debt 5
Schedule of Investments [Line Items]
Total Rate	[14],[16]							12.71%
Spread	[14],[16]							7.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 8,822
Investment, Identifier [Axis]: LLFlex, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.98%	[11],[13]		14.98%	[11],[13]		15.54%	[14],[16]
Spread		9.00%	[11],[13]		9.00%	[11],[13]		9.00%	[14],[16]
PIK Rate		0.50%	[11],[13]		0.50%	[11],[13]		1.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 4,417
Ending balance	[11],[13]	$ 4,333			$ 4,333
Investment, Identifier [Axis]: Lightbox Holdings, L.P., Secured Debt
Schedule of Investments [Line Items]
Total Rate		10.46%	[8]		10.46%	[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]				$ 5,592
Ending balance	[8]	$ 5,563			$ 5,563
Investment, Identifier [Axis]: Logix Acquisition Company, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.25%	[11],[13]		13.25%	[11],[13]		13.25%	[14],[16]
Spread		4.75%	[11],[13]		4.75%	[11],[13]		4.75%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 9,069
Ending balance	[11],[13]	$ 8,971			8,971
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[7],[16]							11.46%
Spread	[7],[16]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]				2,803
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[7],[16]							11.46%
Spread	[7],[16]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]				3,925
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[7],[16]							11.46%
Spread	[7],[16]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]				3,464
Investment, Identifier [Axis]: MB2 Dental Solutions, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[7],[16]							11.46%
Spread	[7],[16]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]				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)					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					80		0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		80		0	80		0
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%	[27]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		288
Amount of Interest, Fees or Dividends Credited to Income					92		98
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,256	[27]	1,137
Gross Additions					0		288
Gross Reductions					40		49
Ending balance		$ 1,216		$ 1,376	$ 1,216		1,376
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.75%	[11],[12],[13]		6.75%	[11],[12],[13]		6.75%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ 0
Ending balance	[11],[12],[13]	$ 0			$ 0
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.99%	[11],[13]		12.99%	[11],[13]		12.28%	[14],[16]
Spread		7.50%	[11],[13]		7.50%	[11],[13]		6.75%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 16,721
Ending balance	[11],[13]	$ 16,363			$ 16,363
Investment, Identifier [Axis]: Mako Steel, LP, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.99%			12.99%
Spread	[11],[13]	7.50%			7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 5,000			$ 5,000
Investment, Identifier [Axis]: Market Force Information, LLC, Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							(4,160)
Amount of Unrealized Gain/(Loss)							4,160
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							4,160
Gross Reductions							4,160
Ending balance				0			0
Investment, Identifier [Axis]: Market Force Information, LLC, Secured Debt
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							(6,463)
Amount of Unrealized Gain/(Loss)							6,060
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							403
Gross Additions							6,060
Gross Reductions							6,463
Ending balance				0			0
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					110
Ending balance	[19]	$ 230			$ 230
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Preferred Equity
Schedule of Investments [Line Items]
Total Rate		8.00%	[19]		8.00%	[19]		8.00%	[18]
PIK Rate		8.00%	[19]		8.00%	[19]		8.00%	[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18]				$ 443
Ending balance	[19]	$ 452			452
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Secured Debt 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[15]				0
Ending balance	[12]	$ 0			$ 0
Investment, Identifier [Axis]: Metalforming Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.75%			10.75%			12.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 1,707
Ending balance		$ 1,630			$ 1,630
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.25%	[11],[12],[13]		6.25%	[11],[12],[13]		6.25%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ (6)
Ending balance	[11],[12],[13]	$ (5)			$ (5)
Investment, Identifier [Axis]: Microbe Formulas, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.42%	[11],[13]		11.42%	[11],[13]		11.46%	[14],[16]
Spread		6.00%	[11],[13]		6.00%	[11],[13]		6.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 2,671
Ending balance	[11],[13]	$ 2,584			$ 2,584
Investment, Identifier [Axis]: Mills Fleet Farm Group, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.56%	[11],[13]		12.56%	[11],[13]		12.52%	[14],[16]
Spread		7.00%	[11],[13]		7.00%	[11],[13]		7.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 17,524
Ending balance	[11],[13]	$ 17,862			17,862
Investment, Identifier [Axis]: Mini Melts of America, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				300
Ending balance	[11]	$ 300			$ 300
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13],[20]	11.58%			11.58%
Spread		6.25%	[11],[13],[20]		6.25%	[11],[13],[20]		6.25%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ (28)
Ending balance	[11],[13],[20]	$ 885			$ 885
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13],[17]	11.59%			11.59%
Spread		6.25%	[11],[13],[17]		6.25%	[11],[13],[17]		6.25%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ (10)
Ending balance	[11],[13],[17]	$ 675			$ 675
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.60%	[11],[13]		10.60%	[11],[13]		10.64%	[14],[16]
Spread		5.25%	[11],[13]		5.25%	[11],[13]		5.25%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 3,149
Ending balance	[11],[13]	$ 3,217			$ 3,217
Investment, Identifier [Axis]: Mini Melts of America, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		12.60%	[11],[13]		12.60%	[11],[13]		12.64%	[14],[16]
Spread		7.25%	[11],[13]		7.25%	[11],[13]		7.25%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 3,146
Ending balance	[11],[13]	$ 3,217			3,217
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[31],[32]				197
Ending balance	[11],[33],[34]	$ 197			$ 197
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		14.00%	[11],[33],[34]		14.00%	[11],[33],[34]		14.00%	[14],[31],[32]
PIK Rate		4.00%	[11],[33],[34]		4.00%	[11],[33],[34]		4.00%	[14],[31],[32]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[31],[32]				$ 1,133
Ending balance	[11],[33],[34]	$ 1,123			$ 1,123
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		14.00%	[11],[33],[34]		14.00%	[11],[33],[34]		14.00%	[14],[31],[32]
PIK Rate		4.00%	[11],[33],[34]		4.00%	[11],[33],[34]		4.00%	[14],[31],[32]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[31],[32]				$ 3,184
Ending balance	[11],[33],[34]	$ 3,155			$ 3,155
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		14.00%	[11],[33],[34]		14.00%	[11],[33],[34]		14.00%	[14],[31],[32]
PIK Rate		4.00%	[11],[33],[34]		4.00%	[11],[33],[34]		4.00%	[14],[31],[32]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[31],[32]				$ 4,957
Ending balance	[11],[33],[34]	$ 5,057			$ 5,057
Investment, Identifier [Axis]: MonitorUS Holding, LLC, Unsecured Debt
Schedule of Investments [Line Items]
Total Rate	[11],[33],[34]	8.00%			8.00%
PIK Rate	[11],[33],[34]	8.00%			8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[33],[34]	$ 46			$ 46
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)					(68)		1,080
Amount of Interest, Fees or Dividends Credited to Income					481		494
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					6,598	[18]	5,708
Gross Additions					0		1,080
Gross Reductions					68		0
Ending balance		6,530	[19]	6,788	6,530	[19]	6,788
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					1		1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[15]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 0	[12]	$ 0	$ 0	[12]	$ 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)					5		0
Amount of Interest, Fees or Dividends Credited to Income					73		72
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,436		1,436
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 1,436		$ 1,436	1,436		1,436
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					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					3,030
Gross Reductions					0
Ending balance		$ 3,030			$ 3,030
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					66
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					6,017
Gross Reductions					0
Ending balance		$ 6,017			6,017
Investment, Identifier [Axis]: Nello Industries Investco, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 3,030			$ 3,030
Investment, Identifier [Axis]: Nello Industries Investco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[13]	11.88%			11.88%
Spread	[13]	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					22
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					2,729
Gross Reductions					0
Ending balance	[13]	$ 2,729			$ 2,729
Investment, Identifier [Axis]: Nello Industries Investco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.50%			13.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 6,017			$ 6,017
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)					457		580
Amount of Interest, Fees or Dividends Credited to Income					118		38
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,590	[18]	280
Gross Additions					460		580
Gross Reductions					0		0
Ending balance		$ 2,050	[19]	860	$ 2,050	[19]	860
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					11		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[15]	0
Gross Additions					400		0
Gross Reductions					0		0
Ending balance		$ 400		$ 0	$ 400		$ 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)					10		373
Amount of Interest, Fees or Dividends Credited to Income					132		156
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,435		2,119
Gross Additions					18		386
Gross Reductions					0		413
Ending balance		$ 2,453		$ 2,092	$ 2,453		2,092
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.00%	[11],[12],[13]		7.00%	[11],[12],[13]		7.00%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ (3)
Ending balance	[11],[12],[13]	$ (4)			$ (4)
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.45%			12.45%
Spread		7.00%	[11],[13]		7.00%	[11],[13]		7.00%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ (12)
Ending balance	[11],[13]	$ 14,673			14,673
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[16]							12.54%
Spread	[14],[16]							7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				10,991
Investment, Identifier [Axis]: NinjaTrader, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[14],[16]							12.52%
Spread	[14],[16]							7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				3,878
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)							90
Amount of Interest, Fees or Dividends Credited to Income							0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,290		2,010
Gross Additions							90
Gross Reductions							0
Ending balance		1,290		2,100	1,290		2,100
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)					240
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					2,310
Gross Additions					240
Gross Reductions					0
Ending balance		2,550			2,550
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					2,310		1,290
Gross Additions							0
Gross Reductions							0
Ending balance		2,550		$ 1,290	2,550		$ 1,290
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)					0
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,290
Gross Additions					0
Gross Reductions					0
Ending balance		$ 1,290			$ 1,290
Investment, Identifier [Axis]: NuStep, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.98%	[13]	11.75%	11.98%	[13]	11.75%	11.98%	[16]
Spread		6.50%	[13]	6.50%	6.50%	[13]	6.50%	6.50%	[16]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		(1)
Amount of Interest, Fees or Dividends Credited to Income					55		63
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					899	[16]	1,100
Gross Additions					0		1
Gross Reductions					0		1
Ending balance		$ 899	[13]	$ 1,100	$ 899	[13]	$ 1,100
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					281		280
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,606		4,603
Gross Additions					2		3
Gross Reductions					0		0
Ending balance		$ 4,608		$ 4,606	4,608		4,606
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]				$ 6,039
Investment, Identifier [Axis]: Obra Capital, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]	7.50%			7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13]	$ (15)			$ (15)
Investment, Identifier [Axis]: Obra Capital, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11]	12.95%			12.95%
Spread	[11]	7.50%			7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11]	$ 11,626			$ 11,626
Investment, Identifier [Axis]: OnPoint, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.33%			12.33%
Spread	[11],[13]	7.00%			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 2,884			$ 2,884
Investment, Identifier [Axis]: Oneliance, LLC, Preferred Stock
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					128		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					282		264
Gross Additions					128		18
Gross Reductions					0		0
Ending balance		$ 410		$ 282	$ 410		$ 282
Investment, Identifier [Axis]: Oneliance, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		15.48%	[13]	16.25%	15.48%	[13]	16.25%	16.48%	[16]
Spread		10.00%	[13]	11.00%	10.00%	[13]	11.00%	11.00%	[16]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					18		(7)
Amount of Interest, Fees or Dividends Credited to Income					111		113
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,339	[16]	1,380
Gross Additions					21		3
Gross Reductions					60		27
Ending balance		$ 1,300	[13]	$ 1,356	1,300	[13]	1,356
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)					(490)		1,200
Amount of Interest, Fees or Dividends Credited to Income					66		134
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					4,260	[18]	2,940
Gross Additions					0		1,200
Gross Reductions					490		0
Ending balance		$ 3,770	[19],[30]	$ 4,140	$ 3,770	[19],[30]	$ 4,140
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		11.00%	[12],[13]	11.00%	11.00%	[12],[13]	11.00%	11.00%	[15],[16]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		2
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	[15],[16]	(2)
Gross Additions					0		2
Gross Reductions					0		0
Ending balance		$ 0	[12],[13]	$ 0	$ 0	[12],[13]	$ 0
Investment, Identifier [Axis]: Orttech Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		16.48%	[13]	16.25%	16.48%	[13]	16.25%	16.48%	[16]
Spread		11.00%	[13]	11.00%	11.00%	[13]	11.00%	11.00%	[16]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(11)		72
Amount of Interest, Fees or Dividends Credited to Income					469		472
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					5,510	[16]	5,814
Gross Additions					11		87
Gross Reductions					31		201
Ending balance		$ 5,490	[13]	$ 5,700	5,490	[13]	5,700
Investment, Identifier [Axis]: Other Amounts related to investments transferred to or from other 1940 Act classification during the period, Affiliate Investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		(245)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0		(6,392)
Gross Additions					0		6,392
Gross Reductions					0		0
Ending balance		0		0	0		0
Investment, Identifier [Axis]: Other Amounts related to investments transferred to or from other 1940 Act classification during the period, Control Investments
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					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]: PTL US Bidco, Inc, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.24%	[11],[13],[20],[33],[34]		12.24%	[11],[13],[20],[33],[34]		12.80%	[14],[16],[31],[32],[50]
Spread		6.75%	[11],[13],[20],[33],[34]		6.75%	[11],[13],[20],[33],[34]		7.25%	[14],[16],[31],[32],[50]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[31],[32],[50]				$ 196
Ending balance	[11],[13],[20],[33],[34]	$ 322			$ 322
Investment, Identifier [Axis]: PTL US Bidco, Inc, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.34%	[11],[13],[33],[34]		12.34%	[11],[13],[33],[34]		12.88%	[14],[16],[31],[32]
Spread		6.75%	[11],[13],[33],[34]		6.75%	[11],[13],[33],[34]		7.25%	[14],[16],[31],[32]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[31],[32]				$ 1,720
Ending balance	[11],[13],[33],[34]	$ 1,418			1,418
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[14],[15],[16]							5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				0
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[16],[51]							11.24%
Spread	[14],[16],[51]							5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[51]				421
Investment, Identifier [Axis]: Paragon Healthcare, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[16]							11.25%
Spread	[14],[16]							5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				2,442
Investment, Identifier [Axis]: Peaches Holding Corporation, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		1,805			1,805
Investment, Identifier [Axis]: Pinnacle TopCo, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					705
Amount of Interest, Fees or Dividends Credited to Income					213
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,135
Gross Additions					705
Gross Reductions					0
Ending balance	[19]	3,840			3,840
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)					0
Amount of Interest, Fees or Dividends Credited to Income					3
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					105
Gross Additions					1
Gross Reductions					115
Ending balance	[12]	$ (9)			$ (9)
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)					0
Amount of Interest, Fees or Dividends Credited to Income					522
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					7,472
Gross Additions					18
Gross Reductions					0
Ending balance		$ 7,490			7,490
Investment, Identifier [Axis]: Power System Solutions, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				500
Ending balance	[11]	$ 920			$ 920
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.50%	[11],[12],[13]		6.50%	[11],[12],[13]		6.75%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ (35)
Ending balance	[11],[12],[13]	$ (31)			$ (31)
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]	11.84%			11.84%
Spread		6.50%	[11],[13]		6.50%	[11],[13]		6.75%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ (35)
Ending balance	[11],[13]	$ 2,653			$ 2,653
Investment, Identifier [Axis]: Power System Solutions, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.82%	[11],[13]		11.82%	[11],[13]		12.12%	[14],[16]
Spread		6.50%	[11],[13]		6.50%	[11],[13]		6.75%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 7,939
Ending balance	[11],[13]	$ 7,899			$ 7,899
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.83%	[11],[13]		10.83%	[11],[13]		12.28%	[14],[16]
Spread		5.50%	[11],[13]		5.50%	[11],[13]		6.85%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 5,970
Ending balance	[11],[13]	$ 5,913			$ 5,913
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.83%	[11],[13]		10.83%	[11],[13]		12.20%	[14],[16]
Spread		5.50%	[11],[13]		5.50%	[11],[13]		6.85%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 570
Ending balance	[11],[13]	$ 565			$ 565
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]	10.83%			10.83%
Spread	[11],[13]	5.50%			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 569			$ 569
Investment, Identifier [Axis]: PrimeFlight Aviation Services, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[11],[13]	10.58%			10.58%
Spread	[11],[13]	5.25%			5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 638			$ 638
Investment, Identifier [Axis]: Purge Rite, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11]	110			110
Investment, Identifier [Axis]: Purge Rite, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				1,302
Ending balance	[11]	$ 1,289			$ 1,289
Investment, Identifier [Axis]: Purge Rite, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		8.00%	[11],[12],[13]		8.00%	[11],[12],[13]		8.00%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ (19)
Ending balance	[11],[12],[13]	$ (17)			$ (17)
Investment, Identifier [Axis]: Purge Rite, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.57%	[11],[13]		13.57%	[11],[13]		13.70%	[14],[16]
Spread		8.00%	[11],[13]		8.00%	[11],[13]		8.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 3,813
Ending balance	[11],[13]	$ 3,906			$ 3,906
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.19%	[11],[13],[20]		12.19%	[11],[13],[20]		12.22%	[14],[16],[45]
Spread		6.75%	[11],[13],[20]		6.75%	[11],[13],[20]		6.75%	[14],[16],[45]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[45]				$ 745
Ending balance	[11],[13],[20]	$ 1,181			$ 1,181
Investment, Identifier [Axis]: RA Outdoors LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.19%	[11],[13]		12.19%	[11],[13]		12.21%	[14],[16]
Spread		6.75%	[11],[13]		6.75%	[11],[13]		6.75%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 12,089
Ending balance	[11],[13]	$ 12,353			12,353
Investment, Identifier [Axis]: Research Now Group, Inc. and Survey Sampling International, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[7],[16]							11.14%
Spread	[7],[16]							5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]				$ 7,237
Investment, Identifier [Axis]: Richardson Sales Solutions, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.82%	[11],[13],[20]		11.82%	[11],[13],[20]		18.47%	[14],[16],[52]
Spread		6.50%	[11],[13],[20]		6.50%	[11],[13],[20]		6.50%	[14],[16],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[52]				$ 818
Ending balance	[11],[13],[20]	$ 1,333			$ 1,333
Investment, Identifier [Axis]: Richardson Sales Solutions, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.82%	[11],[13]		11.82%	[11],[13]		11.88%	[14],[16]
Spread		6.50%	[11],[13]		6.50%	[11],[13]		6.50%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 10,362
Ending balance	[11],[13]	$ 10,420			10,420
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		(970)
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		1,650
Gross Additions					0		0
Gross Reductions					0		970
Ending balance		$ 0		680	$ 0		680
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt 1
Schedule of Investments [Line Items]
PIK 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					1		2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					(6)	[15]	(8)
Gross Additions					1		1
Gross Reductions					0		0
Ending balance		$ (5)	[12],[25]	$ (7)	$ (5)	[12],[25]	$ (7)
Investment, Identifier [Axis]: Robbins Bros. Jewelry, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.50%		12.50%	12.50%		12.50%	12.50%
PIK Rate		10.00%			10.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(1,444)		(22)
Amount of Interest, Fees or Dividends Credited to Income					123		255
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,421		3,902
Gross Additions					5		9
Gross Reductions					1,494		97
Ending balance		$ 1,932		$ 3,814	$ 1,932		3,814
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.50%	[11],[12],[13]		6.50%	[11],[12],[13]		6.50%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ 0
Ending balance	[11],[12],[13]	$ 0			$ 0
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.56%	[11],[13]		12.56%	[11],[13]		12.16%	[14],[16]
Spread		7.00%	[11],[13]		7.00%	[11],[13]		6.50%	[14],[16]
PIK Rate	[11],[13]	0.50%			0.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 4,142
Ending balance	[11],[13]	$ 4,211			$ 4,211
Investment, Identifier [Axis]: Roof Opco, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		14.56%	[11],[13]		14.56%	[11],[13]		14.16%	[14],[16]
Spread		9.00%	[11],[13]		9.00%	[11],[13]		8.50%	[14],[16]
PIK Rate	[11],[13]	0.50%			0.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 4,082
Ending balance	[11],[13]	$ 4,158			$ 4,158
Investment, Identifier [Axis]: Rug Doctor, LLC., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.52%	[11],[13]		13.52%	[11],[13]		13.54%	[14],[16]
Spread		6.00%	[11],[13]		6.00%	[11],[13]		6.00%	[14],[16]
PIK Rate		2.00%	[11],[13]		2.00%	[11],[13]		2.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 6,383
Ending balance	[11],[13]	$ 6,476			$ 6,476
Investment, Identifier [Axis]: Rug Doctor, LLC., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.52%	[11],[13]		13.52%	[11],[13]		13.54%	[14],[16]
Spread		6.00%	[11],[13]		6.00%	[11],[13]		6.00%	[14],[16]
PIK Rate		2.00%	[11],[13]		2.00%	[11],[13]		2.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 8,984
Ending balance	[11],[13]	$ 8,652			8,652
Investment, Identifier [Axis]: SI East, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					(500)
Amount of Interest, Fees or Dividends Credited to Income					619
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					6,390
Gross Additions					0
Gross Reductions					500
Ending balance		$ 5,890			$ 5,890
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.75%			11.75%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					1
Amount of Interest, Fees or Dividends Credited to Income					39
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					375
Gross Additions					750
Gross Reductions					375
Ending balance		$ 750			750
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					(161)
Amount of Interest, Fees or Dividends Credited to Income					947
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					18,179
Gross Additions					0
Gross Reductions					18,179
Ending balance		$ 0			$ 0
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.62%			12.62%
Amount of Realized Gain/(Loss)					$ 0
Amount of Unrealized Gain/(Loss)					24
Amount of Interest, Fees or Dividends Credited to Income					483
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					22,554
Gross Reductions					0
Ending balance		$ 22,554			22,554
Investment, Identifier [Axis]: SI East, LLC, Preferred Member Units
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							608
Amount of Interest, Fees or Dividends Credited to Income							213
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					6,390	[18]	4,550
Gross Additions							710
Gross Reductions							0
Ending balance		$ 5,890	[19]	5,260	$ 5,890	[19]	5,260
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.75%			11.75%			11.25%
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							0
Amount of Interest, Fees or Dividends Credited to Income							5
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 375		0
Gross Additions							0
Gross Reductions							0
Ending balance		$ 750		$ 0	$ 750		$ 0
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.62%	[53]	12.78%	12.62%	[53]	12.78%	12.47%
Amount of Realized Gain/(Loss)							$ 0
Amount of Unrealized Gain/(Loss)							179
Amount of Interest, Fees or Dividends Credited to Income							100
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 18,179		0
Gross Additions							18,179
Gross Reductions							0
Ending balance		$ 22,554	[53]	$ 18,179	22,554	[53]	18,179
Investment, Identifier [Axis]: SI East, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							0
Amount of Unrealized Gain/(Loss)							(134)
Amount of Interest, Fees or Dividends Credited to Income							1,403
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							29,929
Gross Additions							0
Gross Reductions							29,929
Ending balance				0			0
Investment, Identifier [Axis]: SPAU Holdings, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				160
Ending balance	[11]	$ 190			$ 190
Investment, Identifier [Axis]: SPAU Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.98%			12.98%
Spread		7.50%	[11],[13]		7.50%	[11],[13]		8.00%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ 0
Ending balance	[11],[13]	$ 480			$ 480
Investment, Identifier [Axis]: SPAU Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.98%	[11],[13]		12.98%	[11],[13]		13.72%	[14],[16]
Spread		7.50%	[11],[13]		7.50%	[11],[13]		8.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 4,925
Ending balance	[11],[13]	$ 4,900			4,900
Investment, Identifier [Axis]: Slick Innovations, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					600
Ending balance	[19]	$ 490			$ 490
Investment, Identifier [Axis]: Slick Innovations, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		14.00%			14.00%			14.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 2,860
Ending balance		$ 4,520			4,520
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				59
Ending balance	[11]	$ 59			$ 59
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[16]							11.46%
Spread		6.00%	[11],[12],[13]		6.00%	[11],[12],[13]		6.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 34
Ending balance	[11],[12],[13]	$ (4)			$ (4)
Investment, Identifier [Axis]: South Coast Terminals Holdings, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.44%	[11],[13]		11.44%	[11],[13]		11.70%	[14],[16]
Spread		6.00%	[11],[13]		6.00%	[11],[13]		6.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 2,979
Ending balance	[11],[13]	$ 2,839			2,839
Investment, Identifier [Axis]: Student Resource Center, LLC, Preferred Equity
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0		0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[14]	0
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 0	[11]	$ 0	$ 0	[11]	$ 0
Investment, Identifier [Axis]: Student Resource Center, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		8.50%	[11],[25]	8.50%	8.50%	[11],[25]	8.50%	8.50%	[14],[26]
PIK Rate		8.50%	[11],[25]	8.50%	8.50%	[11],[25]	8.50%	8.50%	[14],[26]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(1,717)		0
Amount of Interest, Fees or Dividends Credited to Income					0		239
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,543	[14],[26]	5,063
Gross Additions					0		237
Gross Reductions					1,717		0
Ending balance		$ 1,826	[11],[25]	$ 5,300	1,826	[11],[25]	5,300
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		(347)
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		1,920
Gross Additions					0		0
Gross Reductions					0		347
Ending balance		0		1,573	0		1,573
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		44
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		133
Gross Reductions					0		0
Ending balance		0		$ 133	0		$ 133
Investment, Identifier [Axis]: Tedder Industries, LLC, Preferred Member Units 3
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)					0
Amount of Unrealized Gain/(Loss)					0
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					0
Gross Reductions					0
Ending balance		$ 0			$ 0
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.00%	[25],[28]	12.00%	12.00%	[25],[28]	12.00%	12.00%	[27]
PIK Rate	[25],[28]	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					14		28
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					432	[27]	460
Gross Additions					0		0
Gross Reductions					0		0
Ending balance		$ 432	[25],[28]	$ 460	$ 432	[25],[28]	$ 460
Investment, Identifier [Axis]: Tedder Industries, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.00%	[25],[28]	12.00%	12.00%	[25],[28]	12.00%	12.00%	[27]
PIK Rate	[25],[28]	12.00%			12.00%
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					(2,401)		0
Amount of Interest, Fees or Dividends Credited to Income					115		232
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,565	[27]	3,780
Gross Additions					0		3
Gross Reductions					2,401		0
Ending balance		$ 1,164	[25],[28]	$ 3,783	1,164	[25],[28]	3,783
Investment, Identifier [Axis]: Tex Tech Tennis, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[29]				2,840
Ending balance	[11],[30]	2,680			2,680
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock 1
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					43
Ending balance		59			59
Investment, Identifier [Axis]: The Affiliati Network, LLC, Preferred Stock 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18]				1,600
Ending balance	[19]	1,600			1,600
Investment, Identifier [Axis]: The Affiliati Network, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate								13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					37
Ending balance	[12]	$ (2)			$ (2)
Investment, Identifier [Axis]: The Affiliati Network, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.00%			10.00%			13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 1,841
Ending balance		$ 1,549			1,549
Investment, Identifier [Axis]: Titan Meter Midco Corp., Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11]	$ 469			$ 469
Investment, Identifier [Axis]: Titan Meter Midco Corp., Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13]	$ (45)			$ (45)
Investment, Identifier [Axis]: Titan Meter Midco Corp., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]	11.83%			11.83%
Spread	[11],[13]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 12,853			$ 12,853
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)					(740)		990
Amount of Interest, Fees or Dividends Credited to Income					15		15
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,180	[18]	1,950
Gross Additions					0		990
Gross Reductions					740		0
Ending balance		2,440	[19]	2,940	2,440	[19]	2,940
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		(1)
Amount of Interest, Fees or Dividends Credited to Income					1		2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[15]	0
Gross Additions					0		1
Gross Reductions					0		1
Ending balance		$ 0	[12]	$ 0	$ 0	[12]	$ 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)					17		(7)
Amount of Interest, Fees or Dividends Credited to Income					133		126
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					1,980		1,980
Gross Additions					0		7
Gross Reductions					0		7
Ending balance		$ 1,980		$ 1,980	$ 1,980		1,980
Investment, Identifier [Axis]: U.S. TelePacific Corp., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.50%	[8],[13],[25]		12.50%	[8],[13],[25]		12.53%	[7],[16],[26]
Spread		7.15%	[8],[13],[25]		7.15%	[8],[13],[25]		7.15%	[7],[16],[26]
PIK Rate		6.00%	[8],[13],[25]		6.00%	[8],[13],[25]		6.00%	[7],[16],[26]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16],[26]				$ 2,438
Ending balance	[8],[13],[25]	$ 2,765			2,765
Investment, Identifier [Axis]: U.S. TelePacific Corp., Secured Debt 2
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[26]				0
Ending balance	[8],[25]	$ 0			0
Investment, Identifier [Axis]: USA DeBusk LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[14],[16]							11.46%
Spread	[14],[16]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				12,405
Investment, Identifier [Axis]: USA DeBusk LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[14],[16]							11.96%
Spread	[14],[16]							6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				4,825
Investment, Identifier [Axis]: USA DeBusk LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[16]							11.96%
Spread	[14],[16]							6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 2,515
Investment, Identifier [Axis]: Urgent DSO LLC, Preferred Equity
Schedule of Investments [Line Items]
Total Rate	[19]	9.00%			9.00%
PIK Rate	[19]	9.00%			9.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[19]	$ 1,034			$ 1,034
Investment, Identifier [Axis]: Urgent DSO LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.50%			13.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance		$ 2,138			$ 2,138
Investment, Identifier [Axis]: UserZoom Technologies, Inc., Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.81%	[11],[13]		12.81%	[11],[13]		12.99%	[14],[16]
Spread		7.50%	[11],[13]		7.50%	[11],[13]		7.50%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 3,000
Ending balance	[11],[13]	$ 3,000			3,000
Investment, Identifier [Axis]: VORTEQ Coil Finishers, LLC, Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[18]				1,911
Ending balance	[11],[19]	1,910			1,910
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		(30)
Amount of Interest, Fees or Dividends Credited to Income					51		54
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,060	[18],[29]	2,990
Gross Additions					0		0
Gross Reductions					0		30
Ending balance		$ 3,060	[19],[30]	$ 2,960	$ 3,060	[19],[30]	$ 2,960
Investment, Identifier [Axis]: VVS Holdco LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread		6.00%	[12],[13]	6.00%	6.00%	[12],[13]	6.00%	6.00%	[15],[16],[27]
Amount of Realized Gain/(Loss)					$ 0		$ 0
Amount of Unrealized Gain/(Loss)					0		0
Amount of Interest, Fees or Dividends Credited to Income					2		4
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0	[15],[16],[27]	(5)
Gross Additions					0		3
Gross Reductions					0		0
Ending balance		$ 0	[12],[13]	$ (2)	$ 0	[12],[13]	$ (2)
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					429		462
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					6,926		7,421
Gross Additions					26		29
Gross Reductions					290		311
Ending balance		$ 6,662		$ 7,139	6,662		7,139
Investment, Identifier [Axis]: Vistar Media, Inc., Preferred Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				2,180
Ending balance	[11]	$ 2,320			2,320
Investment, Identifier [Axis]: Vitesse Systems, Secured Debt
Schedule of Investments [Line Items]
Total Rate	[14],[16]							12.63%
Spread	[14],[16]							7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 12,193
Investment, Identifier [Axis]: Vitesse Systems, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13],[54]	12.59%			12.59%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13],[54]	$ 1,580			$ 1,580
Investment, Identifier [Axis]: Vitesse Systems, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate	[11],[13]	12.46%			12.46%
Spread	[11],[13]	7.00%			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 12,353			$ 12,353
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		(1,104)
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		1,104
Gross Reductions					0		1,104
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					3,110		0
Gross Additions							0
Gross Reductions							0
Ending balance		3,000		0	3,000		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)							(306)
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							4,906
Gross Reductions							306
Ending balance		0		4,600	0		4,600
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)					798
Amount of Interest, Fees or Dividends Credited to Income					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					3,110
Gross Additions					799
Gross Reductions					909
Ending balance		3,000			3,000
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					46
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					900
Gross Additions					0
Gross Reductions					0
Ending balance		$ 900			900
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							23
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							0
Gross Additions							900
Gross Reductions							0
Ending balance				$ 900			900
Investment, Identifier [Axis]: Volusion, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							(1,366)
Amount of Unrealized Gain/(Loss)							780
Amount of Interest, Fees or Dividends Credited to Income							71
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance							6,392
Gross Additions							0
Gross Reductions							6,392
Ending balance				0			0
Investment, Identifier [Axis]: Volusion, LLC, Unsecured Convertible Debt
Schedule of Investments [Line Items]
Amount of Realized Gain/(Loss)							(175)
Amount of Unrealized Gain/(Loss)							175
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							175
Gross Reductions							175
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)							1,104
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	[14]				910
Ending balance	[11]	$ 1,090			$ 1,090
Investment, Identifier [Axis]: Wall Street Prep, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Spread		7.00%	[11],[12],[13]		7.00%	[11],[12],[13]		7.00%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ (5)
Ending balance	[11],[12],[13]	$ (4)			$ (4)
Investment, Identifier [Axis]: Wall Street Prep, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.45%	[11],[13]		12.45%	[11],[13]		12.54%	[14],[16]
Spread		7.00%	[11],[13]		7.00%	[11],[13]		7.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 4,654
Ending balance	[11],[13]	$ 4,268			$ 4,268
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		11.73%	[11],[13],[20]		11.73%	[11],[13],[20]		11.50%	[14],[16],[48]
Spread		6.25%	[11],[13],[20]		6.25%	[11],[13],[20]		6.00%	[14],[16],[48]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[48]				$ 253
Ending balance	[11],[13],[20]	$ 303			$ 303
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.73%	[11],[13]		11.73%	[11],[13]		11.50%	[14],[16]
Spread		6.25%	[11],[13]		6.25%	[11],[13]		6.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 53
Ending balance	[11],[13]	$ 52			$ 52
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		11.73%	[11],[13]		11.73%	[11],[13]		11.50%	[14],[16]
Spread		6.25%	[11],[13]		6.25%	[11],[13]		6.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 2,166
Ending balance	[11],[13]	$ 2,155			$ 2,155
Investment, Identifier [Axis]: Watterson Brands, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate		11.73%	[11],[13]		11.73%	[11],[13]		11.50%	[14],[16]
Spread		6.25%	[11],[13]		6.25%	[11],[13]		6.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 1,955
Ending balance	[11],[13]	$ 1,945			1,945
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14]				390
Ending balance	[11],[19]	$ 590			$ 590
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		10.33%	[11],[13],[17]		10.33%	[11],[13],[17]		11.34%	[14],[16],[55]
Spread		5.00%	[11],[13],[17]		5.00%	[11],[13],[17]		6.00%	[14],[16],[55]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[55]				$ 665
Ending balance	[11],[13],[17]	$ 662			$ 662
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		10.33%	[11],[13]		10.33%	[11],[13]		11.35%	[14],[16]
Spread		5.00%	[11],[13]		5.00%	[11],[13]		6.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 2,947
Ending balance	[11],[13]	$ 2,932			$ 2,932
Investment, Identifier [Axis]: West Star Aviation Acquisition, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		10.33%	[11],[13]		10.33%	[11],[13]		11.35%	[14],[16]
Spread		5.00%	[11],[13]		5.00%	[11],[13]		6.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 1,467
Ending balance	[11],[13]	$ 1,459			$ 1,459
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		13.56%	[11],[13],[20]		13.56%	[11],[13],[20]		12.64%	[14],[16],[56]
Spread		8.00%	[11],[13],[20]		8.00%	[11],[13],[20]		7.00%	[14],[16],[56]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[56]				$ 2,778
Ending balance	[11],[13],[20]	$ 819			$ 819
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		13.56%	[11],[13]		13.56%	[11],[13]		12.66%	[14],[16]
Spread		8.00%	[11],[13]		8.00%	[11],[13]		7.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 2,583
Ending balance	[11],[13]	$ 2,302			$ 2,302
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate		12.56%	[11],[13]		12.56%	[11],[13]		12.66%	[14],[16]
Spread		7.00%	[11],[13]		7.00%	[11],[13]		7.00%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 11,625
Ending balance	[11],[13]	$ 8,891			$ 8,891
Investment, Identifier [Axis]: Winter Services LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[11],[13]	14.56%			14.56%
Spread	[11],[13]	9.00%			9.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 8,891			$ 8,891
Investment, Identifier [Axis]: World Micro Holdings, LLC, Preferred Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18]				530
Ending balance	[19]	$ 530			$ 530
Investment, Identifier [Axis]: World Micro Holdings, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		13.00%			13.00%			13.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					$ 1,601
Ending balance		$ 1,605			$ 1,605
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 1
Schedule of Investments [Line Items]
Total Rate	[11],[13]	11.44%			11.44%
Spread		6.00%	[11],[13]		6.00%	[11],[13]		5.25%	[14],[15],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[15],[16]				$ 0
Ending balance	[11],[13]	$ 1,182			$ 1,182
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		11.43%	[11],[13]		11.43%	[11],[13]		11.22%	[14],[16]
Spread		6.00%	[11],[13]		6.00%	[11],[13]		5.75%	[14],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 1,188
Ending balance	[11],[13]	$ 2,340			2,340
Investment, Identifier [Axis]: Xenon Arc, Inc., Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[14],[16]							11.25%
Spread	[14],[16]							5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16]				$ 2,352
Investment, Identifier [Axis]: YS Garments, LLC, Secured Debt
Schedule of Investments [Line Items]
Total Rate		12.92%	[8],[13]		12.92%	[8],[13]		13.00%	[7],[16]
Spread		7.50%	[8],[13]		7.50%	[8],[13]		7.50%	[7],[16]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[7],[16]				$ 5,110
Ending balance	[8],[13]	$ 4,820			$ 4,820
Investment, Identifier [Axis]: ZRG Partners, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Spread	[11],[12],[13]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13]	$ (31)			$ (31)
Investment, Identifier [Axis]: ZRG Partners, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Spread	[11],[12],[13]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[12],[13]	$ (27)			$ (27)
Investment, Identifier [Axis]: ZRG Partners, LLC, Secured Debt 3
Schedule of Investments [Line Items]
Total Rate	[11],[13]	11.26%			11.26%
Spread	[11],[13]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 978			$ 978
Investment, Identifier [Axis]: ZRG Partners, LLC, Secured Debt 4
Schedule of Investments [Line Items]
Total Rate	[11],[13]	11.33%			11.33%
Spread	[11],[13]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[11],[13]	$ 7,013			$ 7,013
Investment, Identifier [Axis]: Zips Car Wash, LLC, Secured Debt 1
Schedule of Investments [Line Items]
Total Rate		12.69%	[11],[13],[17]		12.69%	[11],[13],[17]		12.71%	[14],[16],[57]
Spread		7.25%	[11],[13],[17]		7.25%	[11],[13],[17]		7.25%	[14],[16],[57]
PIK Rate	[11],[13],[17]	1.50%			1.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[57]				$ 2,234
Ending balance	[11],[13],[17]	$ 2,262			$ 2,262
Investment, Identifier [Axis]: Zips Car Wash, LLC, Secured Debt 2
Schedule of Investments [Line Items]
Total Rate		12.69%	[11],[13],[17]		12.69%	[11],[13],[17]		12.71%	[14],[16],[57]
Spread		7.25%	[11],[13],[17]		7.25%	[11],[13],[17]		7.25%	[14],[16],[57]
PIK Rate	[11],[13],[17]	1.50%			1.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[14],[16],[57]				$ 555
Ending balance	[11],[13],[17]	$ 568			$ 568
[1] Investment fair value was determined using significant unobservable inputs, unless otherwise noted. See Note C — Fair Value Hierarchy for Investments—Portfolio Composition for further discussion. Negative fair value is the result of the capitalized discount on the loan or the unfunded commitment being valued below par. [2] Investment fair value was determined using significant unobservable inputs, unless otherwise noted. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for further discussion. Negative fair value is the result of the capitalized discount on the loan or the unfunded commitment being valued below par. [3] Control investments are defined by the 1940 Act as investments in which more than 25% of the voting securities are owned or where the ability to nominate greater than 50% of the board representation is maintained. [4] Control investments are defined by the 1940 Act as investments in which more than 25% of the voting securities are owned or where the ability to nominate greater than 50% of the board representation is maintained. [5] Affiliate investments are defined by the 1940 Act as investments in which between 5% and 25% (inclusive) of the voting securities are owned and the investments are not classified as Control investments. [6] Affiliate investments are defined by the 1940 Act as investments in which between 5% and 25% (inclusive) of the voting securities are owned and the investments are not classified as Control investments. [7] Middle Market portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Middle Market portfolio investments. [8] Middle Market portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Middle Market portfolio investments. [9] Warrants are presented in equivalent shares/units with a strike price of $0.01 per share/unit. [10] Warrants are presented in equivalent shares/units with a strike price of $0.01 per share/unit. [11] Private Loan portfolio investment. See Note C—Fair Value Hierarchy for Investments—Portfolio Composition for a description of Private Loan portfolio investments. [12] The position is unfunded and no interest income is being earned as of June 30, 2024. 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 the loans (based on the par amount) contain Term SOFR (“SOFR”) floors which range between 0.75% and 5.25%, with a weighted-average floor of 1.24%. [14] Private Loan portfolio investment. See Note C — Fair Value Hierarchy for Investments — Portfolio Composition for a description of Private Loan portfolio investments. [15] 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. [16] Index based floating interest rate is subject to contractual minimum interest rate. As noted in this schedule, 95% of these floating rate loans (based on the par amount) contain LIBOR or SOFR floors which range between 0.75% and 2.00%, with a weighted-average floor of 1.17%. [17] Each new draw or funding on the facility has a different floating rate reset date. The rate presented represents a weighted-average rate for borrowings under the facility, as of June 30, 2024. [18] Income producing through dividends or distributions. [19] Income producing through dividends or distributions. [20] RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. The rate presented represents a weighted-average rate for borrowings under the facility, as of June 30, 2024. [21] Warrants are presented in equivalent shares/units with a strike price of $1.00 per share/unit. [22] Warrants are presented in equivalent shares/units with a strike price of $1.00 per share/unit. [23] 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] Non-accrual and non-income producing debt investment. [26] Non-accrual and non-income producing debt investment. [27] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable. [28] Maturity date is under on-going negotiations with the portfolio company and other lenders, if applicable. [29] Shares/Units represent ownership in a related Real Estate or HoldCo entity. [30] Shares/Units represent ownership in a related Real Estate or HoldCo entity. [31] 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] 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 5.25% on the Fidelity Government Portfolio Class III Fund. [42] Effective yield as of December 31, 2023 was approximately 5.23% on the First American Treasury Obligations Fund Class Z. [43] Effective yield as of June 30, 2024 was approximately 5.17% on the First American Treasury Obligations Fund Class Z. [44] 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. [45] 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. [46] 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. [47] 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. [48] 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. [49] As of December 31, 2023, borrowings under the loan facility bear 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. [50] 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. [51] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+5.75% (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. [52] 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. [53] 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 [54] RLOC facility permits the borrower to make an interest rate election regarding the base rate on each draw under the facility. As of June 30, 2024, the facility had contracts running under the terms SF+7.00% (Floor 1.00%) and P+6.00% (Floor 2.00%). The rate presented represents a weighted-average rate for borrowings under the facility, as of June 30, 2024. [55] As of December 31, 2023, borrowings under the loan facility bore interest at SOFR+6.00% (Floor 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. [56] 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. [57] 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.