Consolidated Schedule of Investments (Parenthetical) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended			12 Months Ended
		Sep. 30, 2022		Sep. 30, 2021	Sep. 30, 2022		Sep. 30, 2021	Dec. 31, 2021
Schedule of Investments [Line Items]
Unrealized gain (loss) for U.S. federal income tax purposes								$ (36,800)
Net change in unrealized gain (loss)					$ (115,913)		$ 134,328
Cost for income tax purposes		$ 13,000,000			13,000,000			12,800,000
Unrealized loss for U.S. federal income tax purposes								217,600
Unrealized gain for U.S. federal income tax purposes								180,800
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[1],[2],[3]				12,741,640
Net change in unrealized gain (loss)					(115,913)		134,328
Ending balance		12,835,918	[4],[5],[6]		12,835,918	[4],[5],[6]		12,741,640	[1],[2],[3]
Restricted investments, fair value		$ 1,500,000			$ 1,500,000			$ 1,100,000
Restricted investments as a percentage of net assets		25.40%			25.40%			18.30%
Non-qualifying assets as a percent of total assets		13.50%			13.50%			9.90%
Non-qualifying asset, fair value		$ 7,700			$ 7,700			$ 8,000
Non-controlled, affiliated investments
Schedule of Investments [Line Items]
Net change in unrealized gain (loss)		0		$ 0	0		0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions	[7]				7,032
Gross Reductions	[8]				0
Net change in unrealized gain (loss)		0		0	0		0
Ending balance		7,032			7,032			0
Interest income					0
Dividend income					0
Other income					0
Investment income from controlled, affiliated investments:
Schedule of Investments [Line Items]
Net change in unrealized gain (loss)		47,026		985	31,632		367	44,081
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					616,780		272,381	272,381
Gross Additions					315,864	[9]		474,436	[10]
Gross Reductions					(57,882)	[11]		(174,119)	[12]
Net change in unrealized gain (loss)		47,026		985	31,632		367	44,081
Ending balance		906,394			906,394			616,780
Interest income					5,767			5,531
Dividend income		20,303		7,128	59,136		13,469	20,394
Other income		$ 195		$ 163	$ 520		480	$ 643
Investment, Identifier [Axis]: 3ES Innovation Inc. (dba Aucerna), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.75%	[13],[14],[15],[16]		6.75%	[13],[14],[15],[16]		6.75%	[17],[18],[19],[20]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[20]				$ 60,340
Ending balance		$ 60,183	[13],[14],[15],[16]		$ 60,183	[13],[14],[15],[16]		$ 60,340	[17],[18],[19],[20]
Investment, Identifier [Axis]: 3ES Innovation Inc. (dba Aucerna), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.75%	[13],[14],[15],[16],[21]		6.75%	[13],[14],[15],[16],[21]		6.75%	[17],[18],[20],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[20],[22],[23]				$ (58)
Ending balance		$ 1,661	[13],[14],[15],[16],[21]		1,661	[13],[14],[15],[16],[21]		$ (58)	[17],[18],[20],[22],[23]
Investment, Identifier [Axis]: AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC | Investment income from controlled, affiliated investments:
Schedule of Investments [Line Items]
Net change in unrealized gain (loss)					(5)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					5
Gross Reductions					0
Net change in unrealized gain (loss)					(5)
Ending balance		0			0			0
Interest income					0
Dividend income					0
Other income					0
Investment, Identifier [Axis]: AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC, LLC Interest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[21],[24],[25],[26]	0			0
Investment, Identifier [Axis]: AAM Series 2.1 Aviation Feeder, LLC | Investment income from controlled, affiliated investments:
Schedule of Investments [Line Items]
Net change in unrealized gain (loss)					(5)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					1,373
Gross Reductions					0
Net change in unrealized gain (loss)					(5)
Ending balance		1,368			1,368			$ 0
Interest income					0
Dividend income					0
Other income					0
Investment, Identifier [Axis]: AAM Series 2.1 Aviation Feeder, LLC, LLC Interest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[21],[24],[25],[26]	$ 1,368			1,368
Investment, Identifier [Axis]: ABB/Con-cise Optical Group LLC, Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[27]							9.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[27]				$ 24,875
Ending balance	[17],[27]							$ 24,875
Investment, Identifier [Axis]: ABB/Con-cise Optical Group LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.50%	[13],[14],[15]		7.50%	[13],[14],[15]		5.00%	[17],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[27]				$ 74,456
Ending balance		$ 67,416	[13],[14],[15]		$ 67,416	[13],[14],[15]		$ 74,456	[17],[27]
Investment, Identifier [Axis]: ABB/Con-cise Optical Group LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[15],[21]	7.50%			7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[15],[21]	$ 6,562			$ 6,562
Investment, Identifier [Axis]: ASP Conair Holdings LP, Class A Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[28],[29]				6,071
Ending balance		$ 5,480	[14],[25],[26]		$ 5,480	[14],[25],[26]		$ 6,071	[18],[28],[29]
Investment, Identifier [Axis]: Accela, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.50%	[13],[30]		7.50%	[13],[30]		7.50%	[17],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[27]				$ 23,990
Ending balance		$ 24,291	[13],[30]		$ 24,291	[13],[30]		$ 23,990	[17],[27]
Investment, Identifier [Axis]: Accela, Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.00%	[13],[21],[30]		7.00%	[13],[21],[30]		7.00%	[17],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[22]				$ 0
Ending balance		$ 1,463	[13],[21],[30]		1,463	[13],[21],[30]		$ 0	[17],[22]
Investment, Identifier [Axis]: Accelerate topco Holdings, LLC, Common Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[25],[26]	$ 14			$ 14
Investment, Identifier [Axis]: Access CIG, LLC, Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.75%	[13],[14],[15]		7.75%	[13],[14],[15]		7.75%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 58,466
Ending balance		$ 58,024	[13],[14],[15]		58,024	[13],[14],[15]		$ 58,466	[17],[18],[27]
Investment, Identifier [Axis]: Alera Group, Inc., First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[22],[27],[31]							5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[27],[31]				$ 11,554
Ending balance	[17],[18],[22],[27],[31]							$ 11,554
Investment, Identifier [Axis]: Alera Group, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.50%	[13],[14],[32]		6.50%	[13],[14],[32]		5.50%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 42,068
Ending balance		$ 34,640	[13],[14],[32]		$ 34,640	[13],[14],[32]		$ 42,068	[17],[18],[27]
Investment, Identifier [Axis]: AmSpec Group, Inc. (fka AmSpec Services Inc.), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[15]		5.75%	[13],[14],[15]		5.75%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 109,713
Ending balance		$ 108,589	[13],[14],[15]		$ 108,589	[13],[14],[15]		$ 109,713	[17],[18],[19]
Investment, Identifier [Axis]: AmSpec Group, Inc. (fka AmSpec Services Inc.), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		3.75%	[13],[14],[21],[33]		3.75%	[13],[14],[21],[33]		3.75%	[17],[18],[22],[34]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[34]				$ 3,724
Ending balance		$ 2,603	[13],[14],[21],[33]		2,603	[13],[14],[21],[33]		$ 3,724	[17],[18],[22],[34]
Investment, Identifier [Axis]: Amergin Asset Management, LLC, Class A Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[25],[26]	$ 0			$ 0
Investment, Identifier [Axis]: AmeriLife Holdings LLC, First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35],[36]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35],[36]	$ (4)			$ (4)
Investment, Identifier [Axis]: AmeriLife Holdings LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[32]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[32]	$ 713			$ 713
Investment, Identifier [Axis]: AmeriLife Holdings LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35]	$ (1)			$ (1)
Investment, Identifier [Axis]: Anaplan, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[37]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[37]	$ 134,744			$ 134,744
Investment, Identifier [Axis]: Anaplan, Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35]	$ (24)			$ (24)
Investment, Identifier [Axis]: Apex Group Treasury, LLC, Second lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[20],[22],[31]							6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[20],[22],[31]				$ 0
Ending balance	[17],[18],[20],[22],[31]							$ 0
Investment, Identifier [Axis]: Apex Group Treasury, LLC, Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.75%	[13],[14],[15],[16]		6.75%	[13],[14],[15],[16]		6.75%	[17],[18],[19],[20]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[20]				$ 18,810
Ending balance		$ 42,381	[13],[14],[15],[16]		$ 42,381	[13],[14],[15],[16]		$ 18,810	[17],[18],[19],[20]
Investment, Identifier [Axis]: Apex Service Partners Intermediate 2, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[14],[23]	12.50%			12.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[23]	$ 46,313			$ 46,313
Investment, Identifier [Axis]: Apex Service Partners, LLC, First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[32],[36]	5.50%			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[32],[36]	$ 826			$ 826
Investment, Identifier [Axis]: Apex Service Partners, LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35]	5.50%			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35]	$ 0			$ 0
Investment, Identifier [Axis]: Apptio, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[15]		6.00%	[13],[14],[15]		7.25%	[17],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[38]				$ 50,916
Ending balance		$ 50,916	[13],[14],[15]		$ 50,916	[13],[14],[15]		$ 50,916	[17],[18],[38]
Investment, Identifier [Axis]: Apptio, Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[15],[21]		6.00%	[13],[14],[15],[21]		7.25%	[17],[18],[19],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[22]				$ 1,112
Ending balance		$ 1,112	[13],[14],[15],[21]		$ 1,112	[13],[14],[15],[21]		$ 1,112	[17],[18],[19],[22]
Investment, Identifier [Axis]: Aptive Environmental, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[14],[39]	12.00%			12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[39]	$ 10,268			$ 10,268
Investment, Identifier [Axis]: Aramsco, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.25%	[13],[14],[30]		5.25%	[13],[14],[30]		5.25%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 55,899
Ending balance		$ 55,327	[13],[14],[30]		$ 55,327	[13],[14],[30]		$ 55,899	[17],[18],[27]
Investment, Identifier [Axis]: Aramsco, Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.25%	[13],[14],[21],[30]		5.25%	[13],[14],[21],[30]		5.25%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ 0
Ending balance		$ 258	[13],[14],[21],[30]		$ 258	[13],[14],[21],[30]		$ 0	[17],[18],[22],[23]
Investment, Identifier [Axis]: Ardonagh Midco 2 PLC, Unsecured notes
Schedule of Investments [Line Items]
Basis spread, variable rate	[14],[16],[39]	11.50%			11.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[20],[40]				$ 11,620
Ending balance		$ 11,030	[14],[16],[39]		$ 11,030	[14],[16],[39]		$ 11,620	[18],[20],[40]
Investment, Identifier [Axis]: Ardonagh Midco 3 PLC, First lien senior secured EUR term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[16],[41]	7.00%			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[16],[41]	$ 8,926			$ 8,926
Investment, Identifier [Axis]: Ardonagh Midco 3 PLC, First lien senior secured GBP delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[16],[21],[35],[36]		5.75%	[13],[14],[16],[21],[35],[36]		5.50%	[17],[18],[20],[22],[31]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[20],[22],[31]				$ 0
Ending balance		$ (68)	[13],[14],[16],[21],[35],[36]		$ (68)	[13],[14],[16],[21],[35],[36]		$ 0	[17],[18],[20],[22],[31]
Investment, Identifier [Axis]: Ardonagh Midco 3 PLC, First lien senior secured GBP term loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.00%	[13],[14],[16],[38]		7.00%	[13],[14],[16],[38]		6.75%	[17],[18],[20],[42]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[20],[42]				$ 117,374
Ending balance		$ 96,736	[13],[14],[16],[38]		96,736	[13],[14],[16],[38]		$ 117,374	[17],[18],[20],[42]
Investment, Identifier [Axis]: Ardonagh Midco 3 PLC, First lien senior secured USD delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[20]							5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[20],[38]				$ 26,784
Ending balance	[17],[18],[20],[38]							$ 26,784
Investment, Identifier [Axis]: Ardonagh Midco 3 PLC, First lien senior secured USD term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[16],[38]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[16],[38]	$ 26,583			$ 26,583
Investment, Identifier [Axis]: Ardonagh Midco 3 PLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[20],[43]							6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[20],[43]				$ 10,388
Ending balance	[17],[18],[20],[43]							$ 10,388
Investment, Identifier [Axis]: Armstrong Bidco Limited (dba The Access Group), First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[16],[21],[36],[39]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[16],[21],[36],[39]	$ 368			$ 368
Investment, Identifier [Axis]: Armstrong Bidco Limited (dba The Access Group), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[16],[39]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[16],[39]	$ 2,139			$ 2,139
Investment, Identifier [Axis]: Aruba Investments Holdings LLC (dba Angus Chemical Company),Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[38]							7.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[38]				$ 10,000
Ending balance	[17],[18],[38]							$ 10,000
Investment, Identifier [Axis]: Aruba Investments Holdings, LLC (dba Angus Chemical Company), Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[30]	7.75%			7.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[30]	$ 9,725			$ 9,725
Investment, Identifier [Axis]: Ascend Buyer, LLC (dba PPC Flexible Packaging), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[15]		5.75%	[13],[14],[15]		5.75%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 5,498
Ending balance		$ 5,443	[13],[14],[15]		$ 5,443	[13],[14],[15]		$ 5,498	[17],[18],[19]
Investment, Identifier [Axis]: Ascend Buyer, LLC (dba PPC Flexible Packaging), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[21],[30]		5.75%	[13],[14],[21],[30]		5.75%	[17],[18],[19],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[22]				$ 88
Ending balance		$ 68	[13],[14],[21],[30]		$ 68	[13],[14],[21],[30]		$ 88	[17],[18],[19],[22]
Investment, Identifier [Axis]: Associations Finance, Inc., Preferred Stock
Schedule of Investments [Line Items]
Basis spread, variable rate	[14],[23],[26]	12.00%			12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[23],[26]	$ 54,020			$ 54,020
Investment, Identifier [Axis]: Associations, Inc., First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[32],[36]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[32],[36]	$ 2,796			$ 2,796
Investment, Identifier [Axis]: Associations, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.50%	[13],[14],[32]		6.50%	[13],[14],[32]		6.50%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 448,102
Ending balance		$ 382,833	[13],[14],[32]		$ 382,833	[13],[14],[32]		$ 448,102	[17],[18],[19]
Investment, Identifier [Axis]: Associations, Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.50%	[13],[14],[21],[35]		6.50%	[13],[14],[21],[35]		6.50%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (329)
Ending balance		$ (82)	[13],[14],[21],[35]		$ (82)	[13],[14],[21],[35]		$ (329)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Aviation Solutions Midco, LLC (dba STS Aviation), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.25%	[13],[14],[15]		7.25%	[13],[14],[15]		7.25%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 202,838
Ending balance		$ 205,709	[13],[14],[15]		$ 205,709	[13],[14],[15]		$ 202,838	[17],[18],[19]
Investment, Identifier [Axis]: AxiomSL Group, Inc., First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[21],[35],[36]		6.00%	[13],[14],[21],[35],[36]		6.00%	[17],[18],[22],[23],[31]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23],[31]				$ 0
Ending balance		$ (62)	[13],[14],[21],[35],[36]		$ (62)	[13],[14],[21],[35],[36]		$ 0	[17],[18],[22],[23],[31]
Investment, Identifier [Axis]: AxiomSL Group, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[30]		6.00%	[13],[14],[30]		6.00%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 201,254
Ending balance		$ 197,725	[13],[14],[30]		$ 197,725	[13],[14],[30]		$ 201,254	[17],[18],[19]
Investment, Identifier [Axis]: AxiomSL Group, Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[21],[35]		6.00%	[13],[14],[21],[35]		6.00%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (137)
Ending balance		$ (319)	[13],[14],[21],[35]		$ (319)	[13],[14],[21],[35]		$ (137)	[17],[18],[22],[23]
Investment, Identifier [Axis]: BCPE Nucleon (DE) SPV, LP, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[38]	7.00%	[13],[14]		7.00%	[13],[14]		7.00%	[17],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[38]				$ 188,829
Ending balance	[38]	$ 188,829	[13],[14]		$ 188,829	[13],[14]		$ 188,829	[17],[18]
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc. (dba PartsSource), First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[21],[35],[36]		5.75%	[13],[14],[21],[35],[36]		5.75%	[17],[18],[22],[23],[31]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23],[31]				$ (133)
Ending balance		$ (315)	[13],[14],[21],[35],[36]		$ (315)	[13],[14],[21],[35],[36]		$ (133)	[17],[18],[22],[23],[31]
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc. (dba PartsSource), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[15]		5.75%	[13],[14],[15]		5.75%	[17],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[38]				$ 112,227
Ending balance		$ 110,649	[13],[14],[15]		$ 110,649	[13],[14],[15]		$ 112,227	[17],[18],[38]
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc. (dba PartsSource), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[21],[35]		5.75%	[13],[14],[21],[35]		5.75%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (190)
Ending balance		$ (267)	[13],[14],[21],[35]		$ (267)	[13],[14],[21],[35]		$ (190)	[17],[18],[22],[23]
Investment, Identifier [Axis]: BCPE Watson (DE) ORML, LP, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[16],[44],[45]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[16],[44],[45]	$ 14,850			$ 14,850
Investment, Identifier [Axis]: BCTO BSI Buyer, Inc. (dba Buildertrend), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		8.00%	[13],[14],[32]		8.00%	[13],[14],[32]		7.00%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 44,420
Ending balance		$ 51,889	[13],[14],[32]		$ 51,889	[13],[14],[32]		$ 44,420	[17],[18],[19]
Investment, Identifier [Axis]: BCTO BSI Buyer, Inc. (dba Buildertrend), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.00%	[13],[14],[21],[35]		7.00%	[13],[14],[21],[35]		7.00%	[17],[18],[19],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[22]				$ 2,991
Ending balance		$ 0	[13],[14],[21],[35]		0	[13],[14],[21],[35]		$ 2,991	[17],[18],[19],[22]
Investment, Identifier [Axis]: BCTO WIW Holdings, Inc. (dba When I Work), Class A Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[28],[29]				1,300
Ending balance		1,171	[14],[25],[26]		1,171	[14],[25],[26]		$ 1,300	[18],[28],[29]
Investment, Identifier [Axis]: BEHP Co-Investor II, L.P., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[25],[26]	$ 1,270			$ 1,270
Investment, Identifier [Axis]: BP Veraison Buyer, LLC (dba Sun World), First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[21],[35],[36]		5.75%	[13],[14],[21],[35],[36]		5.75%	[17],[18],[22],[23],[31]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23],[31]				$ 0
Ending balance		$ 0	[13],[14],[21],[35],[36]		$ 0	[13],[14],[21],[35],[36]		$ 0	[17],[18],[22],[23],[31]
Investment, Identifier [Axis]: BP Veraison Buyer, LLC (dba Sun World), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[15]		5.75%	[13],[14],[15]		5.75%	[17],[18],[46]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[46]				$ 68,687
Ending balance		$ 68,342	[13],[14],[15]		$ 68,342	[13],[14],[15]		$ 68,687	[17],[18],[46]
Investment, Identifier [Axis]: BP Veraison Buyer, LLC (dba Sun World), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[21],[35]		5.75%	[13],[14],[21],[35]		5.75%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (87)
Ending balance		$ (65)	[13],[14],[21],[35]		(65)	[13],[14],[21],[35]		$ (87)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Balrog Acquisition, Inc. (dba BakeMark), Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[38]							7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[38]				$ 21,815
Ending balance	[17],[18],[38]							$ 21,815
Investment, Identifier [Axis]: Balrog Acquisition, Inc. (dba Bakemark), Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[15]	7.00%			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[15]	$ 21,560			$ 21,560
Investment, Identifier [Axis]: Bayshore Intermediate #2, L.P. (dba Boomi), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[30]	7.75%			7.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 81,095
Ending balance		$ 88,099	[13],[14],[30]		$ 88,099	[13],[14],[30]		$ 81,095	[17],[18],[19]
Investment, Identifier [Axis]: Bayshore Intermediate #2, L.P. (dba Boomi), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.75%	[13],[14],[21],[35]		6.75%	[13],[14],[21],[35]		6.75%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (156)
Ending balance		$ (156)	[13],[14],[21],[35]		(156)	[13],[14],[21],[35]		$ (156)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Black Mountain Sand Eagle Ford LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[19]							8.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 4,808
Ending balance	[17],[18],[19]							$ 4,808
Investment, Identifier [Axis]: Blackhawk Network Holdings, Inc., Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.00%	[13],[14],[15]		7.00%	[13],[14],[15]		7.00%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 106,400
Ending balance		$ 105,868	[13],[14],[15]		105,868	[13],[14],[15]		$ 106,400	[17],[18],[27]
Investment, Identifier [Axis]: Blend Labs, Inc., Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[28],[29]				515
Ending balance	[18],[28],[29]							$ 515
Investment, Identifier [Axis]: Blend Labs, Inc., Common stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[25],[47]	$ 160			$ 160
Investment, Identifier [Axis]: Blend Labs, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.50%	[13],[14],[30]		7.50%	[13],[14],[30]		7.50%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 66,150
Ending balance		$ 66,319	[13],[14],[30]		$ 66,319	[13],[14],[30]		$ 66,150	[17],[18],[19]
Investment, Identifier [Axis]: Blend Labs, Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.50%	[13],[14],[21],[35]		7.50%	[13],[14],[21],[35]		7.50%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (150)
Ending balance		$ (131)	[13],[14],[21],[35]		(131)	[13],[14],[21],[35]		$ (150)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Blend Labs, Inc., Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[28],[29]				380
Ending balance		$ 22	[14],[25],[26]		$ 22	[14],[25],[26]		$ 380	[18],[28],[29]
Investment, Identifier [Axis]: Bracket Intermediate Holding Corp., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		4.25%	[13],[14],[15],[48]		4.25%	[13],[14],[15],[48]		4.25%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 514
Ending balance		$ 485	[13],[14],[15],[48]		$ 485	[13],[14],[15],[48]		$ 514	[17],[18],[19]
Investment, Identifier [Axis]: Bracket Intermediate Holding Corp., Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		8.13%	[13],[14],[15]		8.13%	[13],[14],[15]		8.13%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 26,119
Ending balance		$ 25,134	[13],[14],[15]		$ 25,134	[13],[14],[15]		$ 26,119	[17],[18],[19]
Investment, Identifier [Axis]: Brightway Holdings, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.50%	[13],[14],[30]		6.50%	[13],[14],[30]		6.50%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 26,507
Ending balance		$ 26,174	[13],[14],[30]		$ 26,174	[13],[14],[30]		$ 26,507	[17],[18],[19]
Investment, Identifier [Axis]: Brightway Holdings, LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.50%	[13],[21],[35]		6.50%	[13],[21],[35]		6.50%	[17],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[22],[23]				$ (39)
Ending balance		$ (63)	[13],[21],[35]		(63)	[13],[21],[35]		$ (39)	[17],[22],[23]
Investment, Identifier [Axis]: Brooklyn Lender Co-Invest 2, L.P. (dba Boomi), Common Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[25],[26]	7,379			7,379
Investment, Identifier [Axis]: Brooklyn Lender Co-Invest 2, L.P., Common Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[28],[29]				7,504
Ending balance	[18],[28],[29]							7,504
Investment, Identifier [Axis]: CD&R Value Building Partners I, L.P. (dba Belron), LP Interest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[25],[26]	$ 32,614			32,614
Investment, Identifier [Axis]: CD&R Value Building Partners I, L.P., LP Interest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[20],[28],[29]				$ 33,000
Ending balance	[18],[20],[28],[29]							$ 33,000
Investment, Identifier [Axis]: CIBT Global, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.25%	[13],[14],[15],[49]		5.25%	[13],[14],[15],[49]		5.25%	[17],[18],[19],[50]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[50]				$ 531
Ending balance		$ 507	[13],[14],[15],[49]		$ 507	[13],[14],[15],[49]		$ 531	[17],[18],[19],[50]
Investment, Identifier [Axis]: CIBT Global, Inc., Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.75%	[13],[14],[15],[49]		7.75%	[13],[14],[15],[49]		7.75%	[17],[18],[50],[51]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[50],[51]				$ 15,919
Ending balance		$ 10,506	[13],[14],[15],[49]		$ 10,506	[13],[14],[15],[49]		$ 15,919	[17],[18],[50],[51]
Investment, Identifier [Axis]: CP PIK DEBT ISSUER, LLC (dba CivicPlus, LLC), Unsecured notes
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[45]	11.75%			11.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[45]	$ 16,399			$ 16,399
Investment, Identifier [Axis]: CSC MKG Topco LLC. (dba Medical Knowledge Group), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[30]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[30]	$ 1,246			$ 1,246
Investment, Identifier [Axis]: Centrify Corporation, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[30]		6.00%	[13],[14],[30]		5.75%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 65,564
Ending balance		$ 64,737	[13],[14],[30]		$ 64,737	[13],[14],[30]		$ 65,564	[17],[18],[19]
Investment, Identifier [Axis]: Centrify Corporation, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[21],[30]		6.00%	[13],[14],[21],[30]		5.75%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (136)
Ending balance		$ 3,238	[13],[14],[21],[30]		3,238	[13],[14],[21],[30]		$ (136)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Chapford SMA Partnership, L.P. | Non-controlled, affiliated investments
Schedule of Investments [Line Items]
Net change in unrealized gain (loss)					0
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					0
Gross Additions					7,032
Gross Reductions					0
Net change in unrealized gain (loss)					0
Ending balance		7,032			7,032			$ 0
Interest income					0
Dividend income					0
Other income					0
Investment, Identifier [Axis]: Chapford SMA Partnership, L.P., LP Interest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[21],[25],[26],[44],[52]	$ 7,032			7,032
Investment, Identifier [Axis]: CivicPlus, LLC, First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[22],[31]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[31]				$ 0
Ending balance	[17],[18],[22],[31]							$ 0
Investment, Identifier [Axis]: CivicPlus, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.75%	[13],[14],[30]		6.75%	[13],[14],[30]		6.00%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 14,094
Ending balance		$ 34,460	[13],[14],[30]		$ 34,460	[13],[14],[30]		$ 14,094	[17],[18],[19]
Investment, Identifier [Axis]: CivicPlus, LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.25%	[13],[14],[21],[35]		6.25%	[13],[14],[21],[35]		6.00%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (13)
Ending balance		$ (7)	[13],[14],[21],[35]		$ (7)	[13],[14],[21],[35]		$ (13)	[17],[18],[22],[23]
Investment, Identifier [Axis]: ConAir Holdings LLC, Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.50%	[13],[14],[15]		7.50%	[13],[14],[15]		7.50%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 187,500
Ending balance		$ 170,625	[13],[14],[15]		$ 170,625	[13],[14],[15]		$ 187,500	[17],[18],[19]
Investment, Identifier [Axis]: Confluent Medical Technologies, Inc., Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[32]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[32]	$ 985			$ 985
Investment, Identifier [Axis]: Cornerstone OnDemand, Inc., Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.50%	[13],[14],[30]		6.50%	[13],[14],[30]		6.50%	[17],[18],[38]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[38]				$ 114,096
Ending balance		$ 110,910	[13],[14],[30]		$ 110,910	[13],[14],[30]		$ 114,096	[17],[18],[38]
Investment, Identifier [Axis]: Delta TopCo, Inc. (dba Infoblox, Inc.), Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.25%	[13],[14],[38]		7.25%	[13],[14],[38]		7.25%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 15,000
Ending balance		$ 13,875	[13],[14],[38]		$ 13,875	[13],[14],[38]		$ 15,000	[17],[18],[19]
Investment, Identifier [Axis]: Denali BuyerCo, LLC (dba Summit Companies), First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[15],[21],[36]		5.75%	[13],[14],[15],[21],[36]		6.00%	[18],[19],[22],[31]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[22],[31]				$ 1,983
Ending balance		$ 5,876	[13],[14],[15],[21],[36]		$ 5,876	[13],[14],[15],[21],[36]		$ 1,983	[17],[18],[19],[22],[31]
Investment, Identifier [Axis]: Denali BuyerCo, LLC (dba Summit Companies), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[15]		5.75%	[13],[14],[15]		6.00%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 50,879
Ending balance		$ 42,905	[13],[14],[15]		$ 42,905	[13],[14],[15]		$ 50,879	[17],[18],[19]
Investment, Identifier [Axis]: Denali BuyerCo, LLC (dba Summit Companies), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[21],[35]		5.75%	[13],[14],[21],[35]		6.00%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (36)
Ending balance		$ (37)	[13],[14],[21],[35]		(37)	[13],[14],[21],[35]		$ (36)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Denali Holding LP (dba Summit Companies), Class A Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[28],[29]				3,136
Ending balance	[18],[28],[29]							$ 3,136
Investment, Identifier [Axis]: Denali Holding, LP (dba Summit Companies), Class A Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[25],[26]	$ 4,168			$ 4,168
Investment, Identifier [Axis]: Diagnostic Service Holdings, Inc. (dba Rayus Radiology), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[30]	5.50%			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[30]	$ 992			$ 992
Investment, Identifier [Axis]: Diamondback Acquisition, Inc. (dba Sphera), First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[21],[35],[36]		5.50%	[13],[14],[21],[35],[36]		5.50%	[17],[18],[22],[23],[31]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23],[31]				$ (11)
Ending balance		$ 0	[13],[14],[21],[35],[36]		$ 0	[13],[14],[21],[35],[36]		$ (11)	[17],[18],[22],[23],[31]
Investment, Identifier [Axis]: Diamondback Acquisition, Inc. (dba Sphera), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[30]		5.50%	[13],[14],[30]		5.50%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 5,298
Ending balance		$ 4,078	[13],[14],[30]		4,078	[13],[14],[30]		$ 5,298	[17],[18],[27]
Investment, Identifier [Axis]: Dodge Contruction Network Holdings, LP, Class A-2 Common Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[25],[26]	$ 1,855			$ 1,855
Investment, Identifier [Axis]: Dodge Contruction Network Holdings, LP, Series A Preferred Units
Schedule of Investments [Line Items]
Basis spread, variable rate	[14],[23],[26]	8.25%			8.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[23],[26]	$ 45			$ 45
Investment, Identifier [Axis]: Dodge Data & Analytics LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[19]							7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				33,538
Ending balance	[17],[18],[19]							$ 33,538
Investment, Identifier [Axis]: Dodge Data & Analytics LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[22],[23]							7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ 0
Ending balance	[17],[18],[22],[23]							$ 0
Investment, Identifier [Axis]: Douglas Products and Packaging Company LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[30]		5.75%	[13],[14],[30]		5.75%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 105,117
Ending balance		$ 104,566	[13],[14],[30]		$ 104,566	[13],[14],[30]		$ 105,117	[17],[18],[19]
Investment, Identifier [Axis]: Douglas Products and Packaging Company LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		4.75%	[13],[14],[21],[33]		4.75%	[13],[14],[21],[33]		4.75%	[17],[18],[22],[34]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[34]				$ 5,056
Ending balance		$ 6,159	[13],[14],[21],[33]		$ 6,159	[13],[14],[21],[33]		$ 5,056	[17],[18],[22],[34]
Investment, Identifier [Axis]: EET Buyer, Inc. (dba e-Emphasys), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.25%	[13],[14],[15]		5.25%	[13],[14],[15]		5.75%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 4,500
Ending balance		$ 4,466	[13],[14],[15]		$ 4,466	[13],[14],[15]		$ 4,500	[17],[18],[19]
Investment, Identifier [Axis]: EET Buyer, Inc. (dba e-Emphasys), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.25%	[13],[14],[21],[35]		5.25%	[13],[14],[21],[35]		5.75%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (5)
Ending balance		$ (6)	[13],[14],[21],[35]		(6)	[13],[14],[21],[35]		$ (5)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Elliott Alto Co-Investor Aggregator L.P., LP Interest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[25],[26]	$ 3,134			$ 3,134
Investment, Identifier [Axis]: Endries Acquisition, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.25%	[13],[14],[37]		6.25%	[13],[14],[37]		6.25%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 200,163
Ending balance		$ 238,220	[13],[14],[37]		$ 238,220	[13],[14],[37]		$ 200,163	[17],[18],[19]
Investment, Identifier [Axis]: Engage Debtco Limited, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[16]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[16]	$ 975			$ 975
Investment, Identifier [Axis]: Entertainment Benefits Group, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		4.75%	[13],[14],[37]		4.75%	[13],[14],[37]		8.25%	[17],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[46]				$ 79,838
Ending balance		$ 862	[13],[14],[37]		$ 862	[13],[14],[37]		$ 79,838	[17],[18],[46]
Investment, Identifier [Axis]: Entertainment Benefits Group, LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		4.75%	[13],[14],[21],[35]		4.75%	[13],[14],[21],[35]		8.25%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (504)
Ending balance		$ 0	[13],[14],[21],[35]		0	[13],[14],[21],[35]		$ (504)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Evology LLC, Class B Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[25],[26]	$ 2,160			$ 2,160
Investment, Identifier [Axis]: Evolution BuyerCo, Inc. (dba SIAA), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.25%	[13],[14],[15]		6.25%	[13],[14],[15]		6.25%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 141,360
Ending balance		$ 139,588	[13],[14],[15]		$ 139,588	[13],[14],[15]		$ 141,360	[17],[18],[19]
Investment, Identifier [Axis]: Evolution BuyerCo, Inc. (dba SIAA), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.25%	[13],[14],[21],[35]		6.25%	[13],[14],[21],[35]		6.25%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (134)
Ending balance		$ (187)	[13],[14],[21],[35]		(187)	[13],[14],[21],[35]		$ (134)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Evolution Parent, LP (dba SIAA), LP Interest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[28],[29]				4,284
Ending balance		$ 4,284	[14],[25],[26]		$ 4,284	[14],[25],[26]		4,284	[18],[28],[29]
Investment, Identifier [Axis]: Ex Vivo Parent Inc. (dba OB Hospitalist), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[15]	9.50%			9.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 56,654
Ending balance		$ 56,798	[13],[14],[15]		$ 56,798	[13],[14],[15]		$ 56,654	[17],[18],[19]
Investment, Identifier [Axis]: FR Arsenal Holdings II Corp. (dba Applied-Cleveland Holdings, Inc.), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		9.50%	[13],[30]		9.50%	[13],[30]		7.50%	[17],[38]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[38]				$ 112,932
Ending balance		$ 103,393	[13],[30]		$ 103,393	[13],[30]		$ 112,932	[17],[38]
Investment, Identifier [Axis]: Feradyne Outdoors, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.25%	[13],[14],[30]		6.25%	[13],[14],[30]		6.25%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 86,956
Ending balance		$ 85,659	[13],[14],[30]		$ 85,659	[13],[14],[30]		$ 86,956	[17],[18],[19]
Investment, Identifier [Axis]: Forescout Technologies, Inc., First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35],[36]	8.00%			8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35],[36]	$ 0			$ 0
Investment, Identifier [Axis]: Forescout Technologies, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[15]	9.35%			9.35%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 54,811
Ending balance		$ 101,328	[13],[14],[15]		$ 101,328	[13],[14],[15]		$ 54,811	[17],[18],[19]
Investment, Identifier [Axis]: Forescout Technologies, Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		8.50%	[13],[14],[21],[35]		8.50%	[13],[14],[21],[35]		8.50%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ 0
Ending balance		$ 0	[13],[14],[21],[35]		$ 0	[13],[14],[21],[35]		$ 0	[17],[18],[22],[23]
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[15],[21],[36]		5.50%	[13],[14],[15],[21],[36]		5.50%	[17],[18],[22],[23],[31]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23],[31]				$ (13)
Ending balance		$ 273	[13],[14],[15],[21],[36]		$ 273	[13],[14],[15],[21],[36]		$ (13)	[17],[18],[22],[23],[31]
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[15]		5.50%	[13],[14],[15]		5.50%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 3,257
Ending balance		$ 4,086	[13],[14],[15]		$ 4,086	[13],[14],[15]		$ 3,257	[17],[18],[19]
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[21],[38]		5.50%	[13],[14],[21],[38]		5.50%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (9)
Ending balance		$ 18	[13],[14],[21],[38]		$ 18	[13],[14],[21],[38]		$ (9)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Foundation Consumer Brands, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[15]	5.50%			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[15]	$ 3,511			$ 3,511
Investment, Identifier [Axis]: Fullsteam Operations, LLC, First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[15],[21],[36]	8.78%			8.78%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[15],[21],[36]	$ 3,086			$ 3,086
Investment, Identifier [Axis]: GI Ranger Intermediate, LLC (dba Rectangle Health), First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[22],[23],[31]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23],[31]				$ (6)
Ending balance	[17],[18],[22],[23],[31]							$ (6)
Investment, Identifier [Axis]: GI Ranger Intermediate, LLC (dba Rectangle Health), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[32]		6.00%	[13],[14],[32]		6.00%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 3,937
Ending balance		$ 4,481	[13],[14],[32]		$ 4,481	[13],[14],[32]		$ 3,937	[17],[18],[19]
Investment, Identifier [Axis]: GI Ranger Intermediate, LLC (dba Rectangle Health), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[21],[32]		6.00%	[13],[14],[21],[32]		6.00%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (7)
Ending balance		$ 28	[13],[14],[21],[32]		$ 28	[13],[14],[21],[32]		$ (7)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Gainsight, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[15]	6.75%			6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 19,254
Ending balance		$ 20,290	[13],[14],[15]		$ 20,290	[13],[14],[15]		$ 19,254	[17],[18],[19]
Investment, Identifier [Axis]: Gainsight, Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.25%	[13],[14],[21],[35]		6.25%	[13],[14],[21],[35]		6.00%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (50)
Ending balance		$ (67)	[13],[14],[21],[35]		$ (67)	[13],[14],[21],[35]		$ (50)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Galls, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.75%	[13],[14],[15]		6.75%	[13],[14],[15]		6.75%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 98,458
Ending balance		$ 109,320	[13],[14],[15]		$ 109,320	[13],[14],[15]		$ 98,458	[17],[18],[19]
Investment, Identifier [Axis]: Galls, LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.75%	[13],[14],[15],[21]		6.75%	[13],[14],[15],[21]		6.75%	[17],[18],[19],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[22]				$ 9,999
Ending balance		$ 17,265	[13],[14],[15],[21]		$ 17,265	[13],[14],[15],[21]		$ 9,999	[17],[18],[19],[22]
Investment, Identifier [Axis]: Gaylord Chemical Company, L.L.C., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.50%	[13],[14],[15]		6.50%	[13],[14],[15]		6.50%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 151,882
Ending balance		$ 151,113	[13],[14],[15]		$ 151,113	[13],[14],[15]		$ 151,882	[17],[18],[19]
Investment, Identifier [Axis]: Gaylord Chemical Company, L.L.C., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.50%	[13],[14],[21],[35]		6.50%	[13],[14],[21],[35]		6.50%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (66)
Ending balance		$ (33)	[13],[14],[21],[35]		$ (33)	[13],[14],[21],[35]		$ (66)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Genesis Acquisition Co. (dba Procare Software), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		3.75%	[13],[14],[38]		3.75%	[13],[14],[38]		4.00%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 17,630
Ending balance		$ 17,494	[13],[14],[38]		$ 17,494	[13],[14],[38]		$ 17,630	[17],[18],[19]
Investment, Identifier [Axis]: Genesis Acquisition Co. (dba Procare Software), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		3.75%	[13],[14],[38]		3.75%	[13],[14],[38]		4.00%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 2,564
Ending balance		$ 2,564	[13],[14],[38]		$ 2,564	[13],[14],[38]		$ 2,564	[17],[18],[19]
Investment, Identifier [Axis]: Gerson Lehrman Group, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[38]	5.25%	[13],[14]		5.25%	[13],[14]		5.25%	[17],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[38]				$ 151,895
Ending balance	[38]	$ 121,939	[13],[14]		$ 121,939	[13],[14]		$ 151,895	[17],[18]
Investment, Identifier [Axis]: Gerson Lehrman Group, Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.25%	[13],[14],[21],[35]		5.25%	[13],[14],[21],[35]		5.25%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ 0
Ending balance		$ 0	[13],[14],[21],[35]		$ 0	[13],[14],[21],[35]		$ 0	[17],[18],[22],[23]
Investment, Identifier [Axis]: Global Music Rights, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[15]		5.50%	[13],[14],[15]		5.75%	[17],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 7,350
Ending balance		$ 7,407	[13],[14],[15]		$ 7,407	[13],[14],[15]		$ 7,350	[17],[18],[19]
Investment, Identifier [Axis]: Global Music Rights, LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[21],[35]		5.50%	[13],[14],[21],[35]		5.75%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (13)
Ending balance		$ (3)	[13],[14],[21],[35]		$ (3)	[13],[14],[21],[35]		$ (13)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Gloves Buyer, Inc. (dba Protective Industrial Products), Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		8.25%	[13],[14],[30]		8.25%	[13],[14],[30]		8.25%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 28,884
Ending balance		$ 28,811	[13],[14],[30]		28,811	[13],[14],[30]		$ 28,884	[17],[18],[27]
Investment, Identifier [Axis]: Gloves Holdings, LP (dba Protective Industrial Products), LP Interest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[25],[26]	$ 3,478			3,478
Investment, Identifier [Axis]: Gloves Holdings, LP (dba Protective Industrial Products), LP Interest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[28],[29]				$ 3,640
Ending balance	[18],[28],[29]							$ 3,640
Investment, Identifier [Axis]: GovBrands Intermediate, Inc., First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[15],[21],[36]		5.50%	[13],[14],[15],[21],[36]		5.50%	[17],[18],[22],[27],[31]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[27],[31]				$ 2,330
Ending balance		$ 2,263	[13],[14],[15],[21],[36]		$ 2,263	[13],[14],[15],[21],[36]		$ 2,330	[17],[18],[22],[27],[31]
Investment, Identifier [Axis]: GovBrands Intermediate, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[15]		5.50%	[13],[14],[15]		5.50%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 10,392
Ending balance		$ 10,181	[13],[14],[15]		$ 10,181	[13],[14],[15]		$ 10,392	[17],[18],[19]
Investment, Identifier [Axis]: GovBrands Intermediate, Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[15],[21]		5.50%	[13],[14],[15],[21]		5.50%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (20)
Ending balance		$ 191	[13],[14],[15],[21]		$ 191	[13],[14],[15],[21]		$ (20)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Granicus, Inc. First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35]	$ (30)			$ (30)
Investment, Identifier [Axis]: Granicus, Inc., First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.50%	[13],[14],[15],[21],[36]		6.50%	[13],[14],[15],[21],[36]		6.50%	[17],[18],[19],[22],[31]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[31]				$ 1,501
Ending balance		$ 1,470	[13],[14],[15],[21],[36]		$ 1,470	[13],[14],[15],[21],[36]		$ 1,501	[17],[18],[19],[31]
Investment, Identifier [Axis]: Granicus, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.50%	[13],[14],[38]		6.50%	[13],[14],[38]		6.50%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 13,259
Ending balance		$ 13,059	[13],[14],[38]		13,059	[13],[14],[38]		$ 13,259	[17],[18],[19]
Investment, Identifier [Axis]: Granicus, Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[22],[31]							6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				(21)
Ending balance	[17],[18],[22],[23]							$ (21)
Investment, Identifier [Axis]: GrowthCurve Capital Sunrise Co-Invest LP (dba Brightway), LP Interest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[25],[26]	$ 632			632
Investment, Identifier [Axis]: GrowthCurve Capital Sunrise Co-Invest LP, LP Interest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[28],[29]				$ 632
Ending balance	[18],[28],[29]							$ 632
Investment, Identifier [Axis]: Guidehouse Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[30]		5.50%	[13],[14],[30]		5.50%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 4,603
Ending balance		$ 4,568	[13],[14],[30]		4,568	[13],[14],[30]		$ 4,603	[17],[18],[27]
Investment, Identifier [Axis]: Guidehouse Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[22]							5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22]				$ (4)
Ending balance	[17],[18],[22]							$ (4)
Investment, Identifier [Axis]: H&F Opportunities LUX III S.À R.L (dba Checkmarx), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.50%	[13],[14],[16],[30]		7.50%	[13],[14],[16],[30]		7.50%	[17],[18],[19],[20],[38]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[20],[38]				$ 51,567
Ending balance		$ 51,567	[13],[14],[16],[30]		$ 51,567	[13],[14],[16],[30]		$ 51,567	[17],[18],[20],[38]
Investment, Identifier [Axis]: H&F Opportunities LUX III S.À R.L (dba Checkmarx), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.50%	[13],[14],[16],[21],[35]		7.50%	[13],[14],[16],[21],[35]		7.50%	[17],[18],[20],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[20],[22],[23]				$ 0
Ending balance		$ 0	[13],[14],[16],[21],[35]		0	[13],[14],[16],[21],[35]		$ 0	[17],[18],[20],[22],[23]
Investment, Identifier [Axis]: H-Food Holdings, LLC, LLC Interest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[28],[29]				13,633
Ending balance		$ 11,318	[14],[25],[26]		$ 11,318	[14],[25],[26]		$ 13,633	[18],[28],[29]
Investment, Identifier [Axis]: H-Food Holdings, LLC, Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.00%	[13],[14],[30]		7.00%	[13],[14],[30]		7.00%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 121,800
Ending balance		$ 96,222	[13],[14],[30]		$ 96,222	[13],[14],[30]		$ 121,800	[17],[18],[27]
Investment, Identifier [Axis]: HGH Purchaser, Inc. (dba Horizon Services), First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[15],[21]		6.00%	[13],[14],[15],[21]		5.75%	[17],[18],[22],[31],[46]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[31],[46]				$ 33,429
Ending balance		$ 29,256	[13],[14],[15],[21]		$ 29,256	[13],[14],[15],[21]		$ 33,429	[17],[18],[22],[31],[46]
Investment, Identifier [Axis]: HGH Purchaser, Inc. (dba Horizon Services), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[15]		6.00%	[13],[14],[15]		5.75%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 107,418
Ending balance		$ 145,285	[13],[14],[15]		$ 145,285	[13],[14],[15]		$ 107,418	[17],[18],[19]
Investment, Identifier [Axis]: HGH Purchaser, Inc. (dba Horizon Services), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[15],[21]		6.00%	[13],[14],[15],[21]		5.75%	[17],[18],[19],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[22]				$ 2,616
Ending balance		$ 9,780	[13],[14],[15],[21]		$ 9,780	[13],[14],[15],[21]		$ 2,616	[17],[18],[19],[22]
Investment, Identifier [Axis]: Hercules Borrower, LLC (dba The Vincit Group), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[38]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[38]	$ 176,897			$ 176,897
Investment, Identifier [Axis]: Hercules Borrower, LLC (dba The Vincit Group), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[38]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[38]	$ 2,179			$ 2,179
Investment, Identifier [Axis]: Hercules Buyer, LLC (dba The Vincit Group), Common Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[28],[29],[53]				2,192
Ending balance		$ 2,192	[14],[25],[26],[54]		2,192	[14],[25],[26],[54]		$ 2,192	[18],[28],[29],[53]
Investment, Identifier [Axis]: Hercules Buyer, LLC (dba The Vincit Group), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[19]							6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				178,693
Ending balance	[17],[18],[19]							$ 178,693
Investment, Identifier [Axis]: Hercules Buyer, LLC (dba The Vincit Group), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[22],[23]							6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ 0
Ending balance	[17],[18],[22],[23]							$ 0
Investment, Identifier [Axis]: Hercules Buyer, LLC (dba The Vincit Group), Unsecured notes
Schedule of Investments [Line Items]
Basis spread, variable rate	[14],[23],[54]	0.48%			0.48%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[40],[53]				$ 5,135
Ending balance		$ 5,135	[14],[39],[54]		$ 5,135	[14],[39],[54]		5,135	[18],[40],[53]
Investment, Identifier [Axis]: Hg Genesis 8 Sumoco Limited, Unsecured facility
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[16],[39]	7.50%			7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[20],[42]				$ 47,207
Ending balance		$ 40,371	[13],[14],[16],[39]		$ 40,371	[13],[14],[16],[39]		47,207	[17],[18],[20],[42]
Investment, Identifier [Axis]: Hg Genesis 9 SumoCo Limited, Unsecured facility
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[16],[55]	7.00%			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[16],[55]	$ 42,227			$ 42,227
Investment, Identifier [Axis]: Hg Saturn Luchaco Limited, Unsecured facility
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[16],[39]	7.50%			7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[20],[42]				$ 132,523
Ending balance		$ 118,346	[13],[14],[16],[39]		118,346	[13],[14],[16],[39]		$ 132,523	[17],[18],[20],[42]
Investment, Identifier [Axis]: Hissho Sushi Holdings, LLC, Class A units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[25],[26]	$ 75			$ 75
Investment, Identifier [Axis]: Hissho Sushi Merger Sub LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[32]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[32]	$ 901			$ 901
Investment, Identifier [Axis]: Hissho Sushi Merger Sub LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[32]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[32]	$ 4			$ 4
Investment, Identifier [Axis]: Hometown Food Company, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.00%	[13],[14],[30]		5.00%	[13],[14],[30]		5.00%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 15,787
Ending balance		$ 14,487	[13],[14],[30]		$ 14,487	[13],[14],[30]		$ 15,787	[17],[18],[27]
Investment, Identifier [Axis]: Hometown Food Company, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.00%	[13],[14],[21],[30]		5.00%	[13],[14],[21],[30]		5.00%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (42)
Ending balance		$ 685	[13],[14],[21],[30]		$ 685	[13],[14],[21],[30]		$ (42)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Hyland Software, Inc., Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.25%	[13],[14],[30]		6.25%	[13],[14],[30]		6.25%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 15,579
Ending balance		$ 15,172	[13],[14],[30]		$ 15,172	[13],[14],[30]		$ 15,579	[17],[18],[27]
Investment, Identifier [Axis]: IG Investments Holdings, LLC (dba Insight Global), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[15]		6.00%	[13],[14],[15]		6.00%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 50,008
Ending balance		$ 49,632	[13],[14],[15]		$ 49,632	[13],[14],[15]		$ 50,008	[17],[18],[19]
Investment, Identifier [Axis]: IG Investments Holdings, LLC (dba Insight Global), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[21],[35]		6.00%	[13],[14],[21],[35]		6.00%	[17],[18],[19],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[22]				$ 1,917
Ending balance		$ (70)	[13],[14],[21],[35]		(70)	[13],[14],[21],[35]		$ 1,917	[17],[18],[19],[22]
Investment, Identifier [Axis]: IQN Holding Corp. (dba Beeline), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[38]							5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[38]				150,639
Ending balance	[17],[18],[38]							$ 150,639
Investment, Identifier [Axis]: IQN Holding Corp. (dba Beeline), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[22],[23]							5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ 0
Ending balance	[17],[18],[22],[23]							$ 0
Investment, Identifier [Axis]: Ideal Image Development, LLC, First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35],[36]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35],[36]	$ (7)			$ (7)
Investment, Identifier [Axis]: Ideal Image Development, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[37]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[37]	$ 11,473			$ 11,473
Investment, Identifier [Axis]: Ideal Image Development, LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35]	$ (37)			$ (37)
Investment, Identifier [Axis]: Ideal Tridon Holdings, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.25%	[13],[14],[15]		5.25%	[13],[14],[15]		5.25%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 53,209
Ending balance		$ 52,699	[13],[14],[15]		$ 52,699	[13],[14],[15]		$ 53,209	[17],[18],[19]
Investment, Identifier [Axis]: Ideal Tridon Holdings, Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.25%	[13],[14],[21]		5.25%	[13],[14],[21]		5.25%	[17],[18],[22],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[27]				$ 1,800
Ending balance		$ 0	[13],[14],[21]		0	[13],[14],[21]		$ 1,800	[17],[18],[22],[27]
Investment, Identifier [Axis]: Imperial Parking Canada, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[56]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[56]				$ 26,707
Ending balance	[17],[18],[56]							$ 26,707
Investment, Identifier [Axis]: Imprivata, Inc., Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[37]	6.25%			6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[37]	$ 867			$ 867
Investment, Identifier [Axis]: Indigo Buyer, Inc. (dba Inovar Packaging Group), First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[36]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[36]	$ 0			$ 0
Investment, Identifier [Axis]: Indigo Buyer, Inc. (dba Inovar Packaging Group), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[32]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[32]	$ 647			$ 647
Investment, Identifier [Axis]: Indigo Buyer, Inc. (dba Inovar Packaging Group), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[32]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[32]	$ 16			$ 16
Investment, Identifier [Axis]: Individual Foodservice Holdings, LLC, First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[22],[31],[38]							6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[31],[38]				27,909
Ending balance	[17],[18],[22],[31],[38]							$ 27,909
Investment, Identifier [Axis]: Individual Foodservice Holdings, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[19]							6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 140,156
Ending balance	[17],[18],[19]							$ 140,156
Investment, Identifier [Axis]: Individual Foodservice Holdings, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[15]	6.25%			6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[15]	$ 133,110			$ 133,110
Investment, Identifier [Axis]: Individual Foodservice Holdings, LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.25%	[13],[14],[21],[35]		6.25%	[13],[14],[21],[35]		6.25%	[17],[18],[22],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[27]				$ 851
Ending balance		$ (108)	[13],[14],[21],[35]		$ (108)	[13],[14],[21],[35]		$ 851	[17],[18],[22],[27]
Investment, Identifier [Axis]: Innovation Ventures HoldCo, LLC (dba 5 Hour Energy), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[37]	6.25%			6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[37]	$ 121,564			$ 121,564
Investment, Identifier [Axis]: Inovalon Holdings, Inc, Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[15]	10.50%			10.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[15]	$ 90,502			$ 90,502
Investment, Identifier [Axis]: Inovalon Holdings, Inc., First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate		3.50%	[13],[14],[21],[35],[36]		3.50%	[13],[14],[21],[35],[36]		5.75%	[17],[18],[22],[23],[31]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23],[31]				$ (237)
Ending balance		$ (332)	[13],[14],[21],[35],[36]		$ (332)	[13],[14],[21],[35],[36]		$ (237)	[17],[18],[22],[23],[31]
Investment, Identifier [Axis]: Inovalon Holdings, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.25%	[13],[14],[15]		6.25%	[13],[14],[15]		5.75%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 173,283
Ending balance		$ 176,018	[13],[14],[15]		176,018	[13],[14],[15]		$ 173,283	[17],[18],[19]
Investment, Identifier [Axis]: Inovalon Holdings, Inc., Second lien senior secured loan
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				82,967
Ending balance	[17],[18],[19]							$ 82,967
Investment, Identifier [Axis]: Insight CP (Blocker) Holdings, L.P. (dba CivicPlus, LLC), LP Interest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[25],[26]	$ 1,230			$ 1,230
Investment, Identifier [Axis]: Integrity Marketing Acquisition, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[38]	5.75%	[13],[14]		5.75%	[13],[14]		5.75%	[17],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[38]				$ 218,876
Ending balance	[38]	$ 216,658	[13],[14]		$ 216,658	[13],[14]		$ 218,876	[17],[18]
Investment, Identifier [Axis]: Integrity Marketing Acquisition, LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[21],[35]		5.75%	[13],[14],[21],[35]		5.75%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ 0
Ending balance		$ (37)	[13],[14],[21],[35]		$ (37)	[13],[14],[21],[35]		$ 0	[17],[18],[22],[23]
Investment, Identifier [Axis]: Intelerad Medical Systems Incorporated (fka 11849573 Canada Inc.), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.50%	[13],[14],[16],[32]		6.50%	[13],[14],[16],[32]		6.25%	[17],[18],[19],[20]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[20]				$ 115,395
Ending balance		$ 117,499	[13],[14],[16],[32]		$ 117,499	[13],[14],[16],[32]		$ 115,395	[17],[18],[19],[20]
Investment, Identifier [Axis]: Intelerad Medical Systems Incorporated (fka 11849573 Canada Inc.), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.50%	[13],[14],[16],[21],[32]		6.50%	[13],[14],[16],[21],[32]		6.25%	[17],[18],[19],[20],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[20],[22]				$ 2,972
Ending balance		$ 2,960	[13],[14],[16],[21],[32]		$ 2,960	[13],[14],[16],[21],[32]		$ 2,972	[17],[18],[19],[20],[22]
Investment, Identifier [Axis]: Interoperability Bidco, Inc. (dba Lyniate), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[32]	7.00%			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[32]	$ 65,956			$ 65,956
Investment, Identifier [Axis]: Interoperability Bidco, Inc. (dba Lyniate), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35]	7.00%			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35]	$ (30)			$ (30)
Investment, Identifier [Axis]: Interoperability Bidco, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[38]							5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[38]				75,270
Ending balance	[17],[18],[38]							$ 75,270
Investment, Identifier [Axis]: Interoperability Bidco, Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[22],[23]							5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				0
Ending balance	[17],[18],[22],[23]							$ 0
Investment, Identifier [Axis]: KOBHG Holdings, L.P. (dba OB Hospitalist), Class A Interests
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[28],[29]				6,670
Ending balance		6,445	[14],[25],[26]		6,445	[14],[25],[26]		6,670	[18],[28],[29]
Investment, Identifier [Axis]: KPCI Holdings, LP, Class A Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[28],[29]				37,331
Ending balance		$ 32,111	[14],[25],[26]		32,111	[14],[25],[26]		$ 37,331	[18],[28],[29]
Investment, Identifier [Axis]: KPSKY Acquisition, Inc. (dba BluSky), First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[22],[31],[34]							4.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[31],[34]				$ 248
Ending balance	[17],[18],[22],[31],[34]							$ 248
Investment, Identifier [Axis]: KPSKY Acquisition, Inc. (dba BluSky), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[30]		5.50%	[13],[14],[30]		5.50%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 4,386
Ending balance		$ 4,816	[13],[14],[30]		4,816	[13],[14],[30]		$ 4,386	[17],[18],[27]
Investment, Identifier [Axis]: KS Management Services, L.L.C., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[38]							4.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[38]				$ 122,500
Ending balance	[17],[18],[38]							$ 122,500
Investment, Identifier [Axis]: KUSRP Intermediate, Inc. (dba U.S. Retirement and Benefits Partners), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[38]	9.50%			9.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 30,612
Ending balance		$ 33,299	[13],[14],[38]		$ 33,299	[13],[14],[38]		$ 30,612	[17],[18],[19]
Investment, Identifier [Axis]: Kaseya Inc., First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35],[36]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35],[36]	$ (3)			$ (3)
Investment, Identifier [Axis]: Kaseya Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14]	$ 18,497			$ 18,497
Investment, Identifier [Axis]: Kaseya Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35]	$ (14)			$ (14)
Investment, Identifier [Axis]: Knockout Intermediate Holdings I Inc. (dba Kaseya),Perpetual Preferred Stock
Schedule of Investments [Line Items]
Basis spread, variable rate	[14],[23],[26]	11.75%			11.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[23],[26]	$ 13,790			$ 13,790
Investment, Identifier [Axis]: LTP Holdco, LLC, , Unsecured facility
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[37]	10.75%			10.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[37]	$ 3,867			$ 3,867
Investment, Identifier [Axis]: Lazer Spot G B Holdings, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[38]		5.75%	[13],[14],[38]		5.75%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 144,064
Ending balance		$ 142,964	[13],[14],[38]		$ 142,964	[13],[14],[38]		$ 144,064	[17],[18],[19]
Investment, Identifier [Axis]: Lazer Spot G B Holdings, Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[21],[35]		5.75%	[13],[14],[21],[35]		5.75%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ 0
Ending balance		$ 0	[13],[14],[21],[35]		$ 0	[13],[14],[21],[35]		$ 0	[17],[18],[22],[23]
Investment, Identifier [Axis]: Learning Care Group (US) No. 2 Inc., Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.50%	[13],[14],[15]		7.50%	[13],[14],[15]		7.50%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 26,293
Ending balance		$ 26,360	[13],[14],[15]		$ 26,360	[13],[14],[15]		$ 26,293	[17],[18],[19]
Investment, Identifier [Axis]: Lignetics Investment Corp. First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[15],[21]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[15],[21]	$ 4,016			$ 4,016
Investment, Identifier [Axis]: Lignetics Investment Corp., First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[21],[35],[36]		6.00%	[13],[14],[21],[35],[36]		6.00%	[17],[18],[22],[23],[31]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23],[31]				$ (49)
Ending balance		$ (118)	[13],[14],[21],[35],[36]		$ (118)	[13],[14],[21],[35],[36]		$ (49)	[17],[18],[22],[23],[31]
Investment, Identifier [Axis]: Lignetics Investment Corp., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[15]		6.00%	[13],[14],[15]		6.00%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 30,980
Ending balance		$ 30,203	[13],[14],[15]		30,203	[13],[14],[15]		$ 30,980	[17],[18],[19]
Investment, Identifier [Axis]: Lignetics Investment Corp., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[19],[22]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[22]				$ 725
Ending balance	[17],[18],[19],[22]							$ 725
Investment, Identifier [Axis]: LineStar Integrity Services LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[38]	7.25%	[13],[14]		7.25%	[13],[14]		7.25%	[17],[18]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[38]				$ 72,788
Ending balance	[38]	$ 73,933	[13],[14]		73,933	[13],[14]		$ 72,788	[17],[18]
Investment, Identifier [Axis]: Litera Bidco LLC, First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[22],[27],[31]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[27],[31]				$ 1,998
Ending balance	[17],[18],[22],[27],[31]							$ 1,998
Investment, Identifier [Axis]: Litera Bidco LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.89%	[13],[14],[30]		5.89%	[13],[14],[30]		5.87%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 154,049
Ending balance		$ 148,733	[13],[14],[30]		$ 148,733	[13],[14],[30]		$ 154,049	[17],[18],[27]
Investment, Identifier [Axis]: Litera Bidco LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[21],[35]		5.75%	[13],[14],[21],[35]		5.75%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ 0
Ending balance		$ (29)	[13],[14],[21],[35]		$ (29)	[13],[14],[21],[35]		$ 0	[17],[18],[22],[23]
Investment, Identifier [Axis]: Lytx, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.75%	[13],[14],[37]		6.75%	[13],[14],[37]		6.75%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 71,195
Ending balance		$ 70,119	[13],[14],[37]		70,119	[13],[14],[37]		$ 71,195	[17],[18],[27]
Investment, Identifier [Axis]: MHE Intermediate Holdings, LLC (dba OnPoint Group), First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[19],[22],[31]							5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[22],[31]				$ 13,286
Ending balance	[17],[18],[19],[22],[31]							$ 13,286
Investment, Identifier [Axis]: MHE Intermediate Holdings, LLC (dba OnPoint Group), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[45]		6.00%	[13],[14],[45]		5.75%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 158,718
Ending balance		$ 179,957	[13],[14],[45]		$ 179,957	[13],[14],[45]		$ 158,718	[17],[18],[19]
Investment, Identifier [Axis]: MHE Intermediate Holdings, LLC (dba OnPoint Group), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[21],[35]		6.00%	[13],[14],[21],[35]		5.75%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[22],[23]				$ (155)
Ending balance		$ (194)	[13],[14],[21],[35]		$ (194)	[13],[14],[21],[35]		$ (155)	[18],[22],[23]
Investment, Identifier [Axis]: MINDBODY, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		8.50%	[13],[14],[15]		8.50%	[13],[14],[15]		8.50%	[17],[18],[19],[38]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[38]				$ 67,127
Ending balance		$ 67,902	[13],[14],[15]		$ 67,902	[13],[14],[15]		$ 67,127	[17],[18],[38]
Investment, Identifier [Axis]: MINDBODY, Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		8.00%	[13],[14],[21],[35]		8.00%	[13],[14],[21],[35]		7.00%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ 0
Ending balance		$ 0	[13],[14],[21],[35]		0	[13],[14],[21],[35]		$ 0	[17],[18],[22],[23]
Investment, Identifier [Axis]: Maia Aggregator, LP, Class A-2 Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[25],[26]	$ 169			$ 169
Investment, Identifier [Axis]: Mario Midco Holdings Inc.(dba Len the Plumber), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35]	$ (17)			$ (17)
Investment, Identifier [Axis]: Mario Purchaser, LLC (dba Len the Plumber), First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[36],[37]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[36],[37]	$ 1,988			$ 1,988
Investment, Identifier [Axis]: Mario Purchaser, LLC (dba Len the Plumber), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[37]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[37]	$ 12,911			$ 12,911
Investment, Identifier [Axis]: Medline Borrower, LP, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35]	3.25%			3.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35]	$ (719)			$ (719)
Investment, Identifier [Axis]: Medline Intermediate, LP, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[22],[23]							3.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (162)
Ending balance	[17],[18],[22],[23]							$ (162)
Investment, Identifier [Axis]: MessageBird BidCo B.V., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[16],[38]	6.75%			6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[16],[38]	$ 75,268			$ 75,268
Investment, Identifier [Axis]: MessageBird BidCo B.V.,First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[19],[20]							6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					75,460
Ending balance								$ 75,460
Investment, Identifier [Axis]: MessageBird Holding B.V., Extended Series C Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[20],[28],[29]				753
Ending balance		$ 125	[14],[16],[25],[26]		$ 125	[14],[16],[25],[26]		753	[18],[20],[28],[29]
Investment, Identifier [Axis]: Metis HoldCo, Inc. (dba Mavis Tire Express Services), Series A Convertible Preferred Stock
Schedule of Investments [Line Items]
Basis spread, variable rate	[14],[23],[26]	7.00%			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[29],[40]				$ 155,888
Ending balance		$ 155,552	[14],[23],[26]		$ 155,552	[14],[23],[26]		$ 155,888	[18],[29],[40]
Investment, Identifier [Axis]: Milan Laser Holdings LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.00%	[13],[14],[30]		5.00%	[13],[14],[30]		5.00%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 24,117
Ending balance		$ 23,996	[13],[14],[30]		$ 23,996	[13],[14],[30]		$ 24,117	[17],[18],[19]
Investment, Identifier [Axis]: Milan Laser Holdings LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.00%	[13],[14],[21],[35]		5.00%	[13],[14],[21],[35]		5.00%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (16)
Ending balance		$ (10)	[13],[14],[21],[35]		$ (10)	[13],[14],[21],[35]		$ (16)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Minerva Holdco, Inc. (dba Athenahealth, Inc.), Series A Preferred Stock
Schedule of Investments [Line Items]
Basis spread, variable rate	[14],[23],[26]	10.75%			10.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[23],[26]	$ 6,676			$ 6,676
Investment, Identifier [Axis]: Ministry Brands Holdings, LLC, First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[21],[35],[36]		5.50%	[13],[14],[21],[35],[36]		5.50%	[17],[18],[22],[23],[31]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23],[31]				$ (2)
Ending balance		$ (4)	[13],[14],[21],[35],[36]		$ (4)	[13],[14],[21],[35],[36]		$ (2)	[17],[18],[22],[23],[31]
Investment, Identifier [Axis]: Ministry Brands Holdings, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[15]		5.50%	[13],[14],[15]		5.50%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 692
Ending balance		$ 683	[13],[14],[15]		$ 683	[13],[14],[15]		$ 692	[17],[18],[19]
Investment, Identifier [Axis]: Ministry Brands Holdings, LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[21],[35]		5.50%	[13],[14],[21],[35]		5.50%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (1)
Ending balance		$ (2)	[13],[14],[21],[35]		$ (2)	[13],[14],[21],[35]		$ (1)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Motus Group, LLC, Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.50%	[13],[14],[30]		6.50%	[13],[14],[30]		6.50%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 10,702
Ending balance		$ 10,566	[13],[14],[30]		$ 10,566	[13],[14],[30]		$ 10,702	[17],[18],[19]
Investment, Identifier [Axis]: Muine Gall, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[16],[38],[44]	7.00%			7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[20],[57]				$ 239,896
Ending balance		$ 245,257	[13],[14],[16],[38],[44]		$ 245,257	[13],[14],[16],[38],[44]		$ 239,896	[17],[18],[20],[57]
Investment, Identifier [Axis]: NMI Acquisitionco, Inc. (dba Network Merchants), First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[21],[30],[36]		5.75%	[13],[14],[21],[30],[36]		5.75%	[17],[18],[22],[27],[31]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[27],[31]				$ 4,945
Ending balance		$ 4,836	[13],[14],[21],[30],[36]		$ 4,836	[13],[14],[21],[30],[36]		$ 4,945	[17],[18],[22],[27],[31]
Investment, Identifier [Axis]: NMI Acquisitionco, Inc. (dba Network Merchants), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[30]		5.75%	[13],[14],[30]		5.75%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 25,148
Ending balance		$ 24,737	[13],[14],[30]		$ 24,737	[13],[14],[30]		$ 25,148	[17],[18],[27]
Investment, Identifier [Axis]: NMI Acquisitionco, Inc. (dba Network Merchants), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[21],[35]		5.75%	[13],[14],[21],[35]		5.75%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (11)
Ending balance		$ (25)	[13],[14],[21],[35]		(25)	[13],[14],[21],[35]		$ (11)	[17],[18],[22],[23]
Investment, Identifier [Axis]: National Dentex Labs LLC (fka Barracuda Dental LLC), First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[19],[22],[31]							7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[22],[31]				$ 35,315
Ending balance	[17],[18],[19],[22],[31]							$ 35,315
Investment, Identifier [Axis]: National Dentex Labs LLC (fka Barracuda Dental LLC), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.00%	[13],[14],[15]		7.00%	[13],[14],[15]		7.00%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 70,192
Ending balance		$ 102,862	[13],[14],[15]		$ 102,862	[13],[14],[15]		$ 70,192	[17],[18],[19]
Investment, Identifier [Axis]: National Dentex Labs LLC (fka Barracuda Dental LLC), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.00%	[13],[14],[15]		7.00%	[13],[14],[15]		7.00%	[17],[18],[19],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[22]				$ 2,974
Ending balance		$ 9,132	[13],[14],[15]		$ 9,132	[13],[14],[15]		$ 2,974	[17],[18],[19],[22]
Investment, Identifier [Axis]: Natural Partners, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[16],[38]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[16],[38]	$ 906			$ 906
Investment, Identifier [Axis]: Natural Partners, LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[16],[21],[35]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[16],[21],[35]	$ (2)			$ (2)
Investment, Identifier [Axis]: Nelipak Holding Company ,First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[30]	4.25%			4.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[30]	$ 2,275			$ 2,275
Investment, Identifier [Axis]: Nelipak Holding Company, First lien senior loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[19]							4.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 24,450
Ending balance	[17],[18],[19]							$ 24,450
Investment, Identifier [Axis]: Nelipak Holding Company, First lien senior secured EUR revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[58]	4.50%			4.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[58]	$ 214			$ 214
Investment, Identifier [Axis]: Nelipak Holding Company, First lien senior secured USD revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[30]	4.25%			4.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[30]	$ 1,017			$ 1,017
Investment, Identifier [Axis]: Nelipak Holding Company, First lien senior secured revolving loan, One
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[19],[22]							4.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[22]				2,990
Ending balance	[17],[18],[19],[22]							$ 2,990
Investment, Identifier [Axis]: Nelipak Holding Company, First lien senior secured revolving loan, Two
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[22],[23]							4.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (94)
Ending balance	[17],[18],[22],[23]							$ (94)
Investment, Identifier [Axis]: Nelipak Holding Company, Second lien EUR senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[41]	8.50%			8.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[41]	$ 58,141			$ 58,141
Investment, Identifier [Axis]: Nelipak Holding Company, Second lien USD senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[15]	8.25%			8.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[15]	$ 66,503			$ 66,503
Investment, Identifier [Axis]: Nelipak Holding Company, Second lien senior secured loan, One
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[19]							8.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				66,336
Ending balance	[17],[18],[19]							$ 66,336
Investment, Identifier [Axis]: Nelipak Holding Company, Second lien senior secured loan, Two
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[59]							8.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[59]				$ 67,321
Ending balance	[17],[18],[59]							$ 67,321
Investment, Identifier [Axis]: Nellson Nutraceutical, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.25%	[13],[14],[15]		5.25%	[13],[14],[15]		5.25%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 26,735
Ending balance		$ 25,445	[13],[14],[15]		25,445	[13],[14],[15]		$ 26,735	[17],[18],[19]
Investment, Identifier [Axis]: New PLI Holdings, LLC, Class A Common Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[28],[29],[60]				48,007
Ending balance		94,713	[14],[24],[26]		94,713	[14],[24],[26]		48,007	[18],[28],[29],[60]
Investment, Identifier [Axis]: Norvax, LLC (dba GoHealth), Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[28],[61]				3,873
Ending balance		$ 363	[14],[25],[47]		$ 363	[14],[25],[47]		$ 3,873	[18],[28],[61]
Investment, Identifier [Axis]: Norvax, LLC (dba GoHealth), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.50%	[13],[14],[15]		6.50%	[13],[14],[15]		6.50%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 77,763
Ending balance		$ 74,866	[13],[14],[15]		$ 74,866	[13],[14],[15]		$ 77,763	[17],[18],[19]
Investment, Identifier [Axis]: Norvax, LLC (dba GoHealth), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.50%	[13],[14],[15],[21]		6.50%	[13],[14],[15],[21]		6.50%	[17],[18],[22],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[27]				$ 9,511
Ending balance		$ 9,205	[13],[14],[15],[21]		$ 9,205	[13],[14],[15],[21]		$ 9,511	[17],[18],[22],[27]
Investment, Identifier [Axis]: Notorious Topco, LLC (dba Beauty Industry Group), First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.75%	[13],[14],[21],[36],[37]		6.75%	[13],[14],[21],[36],[37]		6.50%	[17],[18],[22],[23],[31]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23],[31]				$ (40)
Ending balance		$ 9,506	[13],[14],[21],[36],[37]		$ 9,506	[13],[14],[21],[36],[37]		$ (40)	[17],[18],[22],[23],[31]
Investment, Identifier [Axis]: Notorious Topco, LLC (dba Beauty Industry Group), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.75%	[13],[14],[37]		6.75%	[13],[14],[37]		6.50%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 108,803
Ending balance		$ 109,083	[13],[14],[37]		$ 109,083	[13],[14],[37]		$ 108,803	[17],[18],[19]
Investment, Identifier [Axis]: Notorious Topco, LLC (dba Beauty Industry Group), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.75%	[13],[14],[21],[35]		6.75%	[13],[14],[21],[35]		6.50%	[17],[18],[19],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[22]				$ 1,453
Ending balance		$ (48)	[13],[14],[21],[35]		$ (48)	[13],[14],[21],[35]		$ 1,453	[17],[18],[19],[22]
Investment, Identifier [Axis]: Nutraceutical International Corporation, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.00%	[13],[14],[15]		7.00%	[13],[14],[15]		7.00%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 207,587
Ending balance		$ 171,081	[13],[14],[15]		$ 171,081	[13],[14],[15]		$ 207,587	[17],[18],[27]
Investment, Identifier [Axis]: Nutraceutical International Corporation, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.00%	[13],[14],[15]		7.00%	[13],[14],[15]		7.00%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 13,307
Ending balance		$ 12,356	[13],[14],[15]		$ 12,356	[13],[14],[15]		$ 13,307	[17],[18],[27]
Investment, Identifier [Axis]: OB Hospitalist Group, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[15]		5.50%	[13],[14],[15]		5.50%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 114,518
Ending balance		$ 94,079	[13],[14],[15]		$ 94,079	[13],[14],[15]		$ 114,518	[17],[18],[19]
Investment, Identifier [Axis]: OB Hospitalist Group, Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[15],[21]		5.50%	[13],[14],[15],[21]		5.50%	[17],[18],[22],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[27]				$ 1,313
Ending balance		$ 2,878	[13],[14],[15],[21]		2,878	[13],[14],[15],[21]		$ 1,313	[17],[18],[22],[27]
Investment, Identifier [Axis]: ORCC Senior Loan Fund LLC (fka Sebago Lake LLC) | Investment income from controlled, affiliated investments:
Schedule of Investments [Line Items]
Net change in unrealized gain (loss)	[62]				(28,525)			(362)
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[62]				247,061		105,546	105,546
Gross Additions	[62]				118,124			168,001
Gross Reductions	[62]				(22,750)			(26,125)
Net change in unrealized gain (loss)	[62]				(28,525)			(362)
Ending balance	[62]	313,910			313,910			247,061
Interest income	[62]				0			0
Dividend income	[62]				23,963			14,394
Other income	[62]				0			0
Investment, Identifier [Axis]: ORCC Senior Loan Fund LLC (fka Sebago Lake LLC), LLC Interest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[20],[29],[57],[60]				247,061
Ending balance		$ 313,910	[16],[24],[26],[44],[63]		$ 313,910	[16],[24],[26],[44],[63]		$ 247,061	[20],[29],[57],[60]
Investment, Identifier [Axis]: Offen, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.00%	[13],[14],[38]		5.00%	[13],[14],[38]		5.00%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 19,582
Ending balance		$ 18,708	[13],[14],[38]		$ 18,708	[13],[14],[38]		$ 19,582	[17],[18],[27]
Investment, Identifier [Axis]: Ole Smoky Distillery, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[45]	5.25%			5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[45]	$ 857			$ 857
Investment, Identifier [Axis]: Ole Smoky Distillery, LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35]	5.25%			5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35]	$ (3)			$ (3)
Investment, Identifier [Axis]: PCF Holdco, LLC (dba PCF Insurance Services), Class A Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[28],[29]				27,968
Ending balance		$ 65,898	[14],[25],[26]		65,898	[14],[25],[26]		27,968	[18],[28],[29]
Investment, Identifier [Axis]: PCF Holdco, LLC (dba PCF Insurance Services), Class A Warrants
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[28],[29]				$ 9,496
Ending balance	[18],[28],[29]							9,496
Investment, Identifier [Axis]: PCF Midco II, LLC (dba PCF Insurance Services), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[14],[39]	9.00%			9.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[40]				$ 107,418
Ending balance		$ 115,997	[14],[39]		$ 115,997	[14],[39]		$ 107,418	[18],[40]
Investment, Identifier [Axis]: PHM Netherlands Midco B.V. (dba Loparex), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		4.50%	[13],[14],[30]		4.50%	[13],[14],[30]		4.50%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 782
Ending balance		$ 753	[13],[14],[30]		$ 753	[13],[14],[30]		$ 782	[17],[18],[19]
Investment, Identifier [Axis]: PHM Netherlands Midco B.V. (dba Loparex), Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		8.75%	[13],[14],[15]		8.75%	[13],[14],[15]		8.75%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 110,600
Ending balance		$ 109,200	[13],[14],[15]		$ 109,200	[13],[14],[15]		$ 110,600	[17],[18],[27]
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[32],[36]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[32],[36]	$ 14			$ 14
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[45]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[45]	$ 722			$ 722
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35]	$ (1)			$ (1)
Investment, Identifier [Axis]: PS Op Holdings LLC, Class A Common Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[28],[29],[60]				4,300
Ending balance		3,950	[24],[25],[26]		3,950	[24],[25],[26]		4,300	[28],[29],[60]
Investment, Identifier [Axis]: PS Operating Company LLC (fka QC Supply, LLC) | Investment income from controlled, affiliated investments:
Schedule of Investments [Line Items]
Net change in unrealized gain (loss)					(657)			49
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					19,495		0	0
Gross Additions					2,470			20,440
Gross Reductions					(1,112)			(994)
Net change in unrealized gain (loss)					(657)			49
Ending balance		$ 20,196			20,196			19,495
Interest income					947			34
Dividend income					0			0
Other income					$ 7			$ 0
Investment, Identifier [Axis]: PS Operating Company LLC (fka QC Supply, LLC), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[15],[24]		6.00%	[13],[15],[24]		6.00%	[17],[19],[60]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[19],[60]				$ 12,976
Ending balance		$ 12,778	[13],[15],[24]		$ 12,778	[13],[15],[24]		$ 12,976	[17],[19],[60]
Investment, Identifier [Axis]: PS Operating Company LLC (fka QC Supply, LLC), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[15],[21],[24]		6.00%	[13],[15],[21],[24]		6.00%	[17],[19],[22],[60]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[19],[22],[60]				$ 2,219
Ending balance		$ 3,468	[13],[15],[21],[24]		$ 3,468	[13],[15],[21],[24]		$ 2,219	[17],[19],[22],[60]
Investment, Identifier [Axis]: Pacific BidCo Inc., First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[16],[21],[35],[36]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[16],[21],[35],[36]	$ (43)			$ (43)
Investment, Identifier [Axis]: Pacific BidCo Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[16],[32]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[16],[32]	$ 30,151			$ 30,151
Investment, Identifier [Axis]: Packaging Coordinators Midco, Inc., Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.00%	[13],[14],[15]		7.00%	[13],[14],[15]		7.00%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 192,123
Ending balance		$ 186,241	[13],[14],[15]		$ 186,241	[13],[14],[15]		$ 192,123	[17],[18],[19]
Investment, Identifier [Axis]: Patriot Acquisition TopCo S.A.R.L (dba Corza Health, Inc.), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[16],[32]	6.75%			6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[16],[32]	$ 133,681			$ 133,681
Investment, Identifier [Axis]: Patriot Acquisition TopCo S.A.R.L (dba Corza Health, Inc.), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[19]							6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 135,027
Ending balance	[17],[18],[19]							$ 135,027
Investment, Identifier [Axis]: Patriot Acquisition TopCo S.A.R.L (dba Corza Health, Inc.), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.75%	[13],[14],[16],[21],[35]		6.75%	[13],[14],[16],[21],[35]		6.75%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (169)
Ending balance		$ (203)	[13],[14],[16],[21],[35]		(203)	[13],[14],[16],[21],[35]		$ (169)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Patriot Holdings SCSp (dba Corza Health Inc.), Class B Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[25],[26]	$ 1,109			$ 1,109
Investment, Identifier [Axis]: Patriot Holdings SCSp (dba Corza Health, Inc.), Class A Units
Schedule of Investments [Line Items]
Basis spread, variable rate	[14],[16],[23],[26]	8.00%			8.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[29],[40]				$ 7,633
Ending balance		$ 7,942	[14],[16],[23],[26]		7,942	[14],[16],[23],[26]		7,633	[18],[29],[40]
Investment, Identifier [Axis]: Patriot Holdings SCSp (dba Corza Health, Inc.), Class B Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[28],[29]				$ 1,109
Ending balance	[18],[28],[29]							$ 1,109
Investment, Identifier [Axis]: Peraton Corp., Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.75%	[13],[14],[30],[48]		7.75%	[13],[14],[30],[48]		7.75%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 47,263
Ending balance		$ 43,489	[13],[14],[30],[48]		43,489	[13],[14],[30],[48]		$ 47,263	[17],[18],[27]
Investment, Identifier [Axis]: Peter C. Foy & Associates Insurance Services, LLC (dba PCF Insurance Services), First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[22],[31],[38]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[31],[38]				$ 18,952
Ending balance	[17],[18],[22],[31],[38]							$ 18,952
Investment, Identifier [Axis]: Peter C. Foy & Associates Insurance Services, LLC (dba PCF Insurance Services), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[38]		6.00%	[13],[14],[38]		6.00%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 107,347
Ending balance		$ 134,909	[13],[14],[38]		$ 134,909	[13],[14],[38]		$ 107,347	[17],[18],[19]
Investment, Identifier [Axis]: Peter C. Foy & Associates Insurance Services, LLC (dba PCF Insurance Services), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[21],[35]		6.00%	[13],[14],[21],[35]		6.00%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (62)
Ending balance		$ (15)	[13],[14],[21],[35]		$ (15)	[13],[14],[21],[35]		$ (62)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Phoenix Newco, Inc. (dba Parexel), Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.50%	[13],[14],[30]		6.50%	[13],[14],[30]		6.50%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 188,100
Ending balance		$ 185,250	[13],[14],[30]		$ 185,250	[13],[14],[30]		$ 188,100	[17],[18],[27]
Investment, Identifier [Axis]: Picard Holdco, LLC, Series A Preferred Stock
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[26],[32]	12.00%			12.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[26],[32]	$ 23,975			$ 23,975
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup), First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35],[36]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35],[36]	$ 0			$ 0
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[32]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[32]	$ 672			$ 672
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35]	$ (1)			$ (1)
Investment, Identifier [Axis]: Pluralsight, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		8.00%	[13],[14],[30]		8.00%	[13],[14],[30]		8.00%	[17],[18],[38]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[38]				$ 98,455
Ending balance		$ 98,952	[13],[14],[30]		$ 98,952	[13],[14],[30]		$ 98,455	[17],[18],[38]
Investment, Identifier [Axis]: Pluralsight, LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		8.00%	[13],[14],[21],[35]		8.00%	[13],[14],[21],[35]		8.00%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (62)
Ending balance		$ (31)	[13],[14],[21],[35]		$ (31)	[13],[14],[21],[35]		$ (62)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Pregis Topco LLC, Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.09%	[13],[14],[15]		7.09%	[13],[14],[15]		6.95%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 160,000
Ending balance		$ 157,856	[13],[14],[15]		$ 157,856	[13],[14],[15]		$ 160,000	[17],[18],[19]
Investment, Identifier [Axis]: Premier Imaging, LLC (dba LucidHealth), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[30]		5.75%	[13],[14],[30]		5.25%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 42,675
Ending balance		$ 42,353	[13],[14],[30]		42,353	[13],[14],[30]		$ 42,675	[17],[18],[27]
Investment, Identifier [Axis]: Project Alpine Co-Invest Fund, LP, LP Interest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[25],[26]	10,000			10,000
Investment, Identifier [Axis]: Project Hotel California Co-Invest Fund, L.P., LP Interest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[25],[26]	$ 2,685			$ 2,685
Investment, Identifier [Axis]: Project Power Buyer, LLC (dba PEC-Veriforce), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[15]		6.00%	[13],[14],[15]		6.00%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 45,091
Ending balance		$ 44,746	[13],[14],[15]		$ 44,746	[13],[14],[15]		$ 45,091	[17],[18],[19]
Investment, Identifier [Axis]: Project Power Buyer, LLC (dba PEC-Veriforce), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[21],[35]		6.00%	[13],[14],[21],[35]		6.00%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ 0
Ending balance		$ 0	[13],[14],[21],[35]		$ 0	[13],[14],[21],[35]		$ 0	[17],[18],[22],[23]
Investment, Identifier [Axis]: Proofpoint, Inc., Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.25%	[13],[14],[15],[48]		6.25%	[13],[14],[15],[48]		6.25%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 19,502
Ending balance		$ 18,792	[13],[14],[15],[48]		$ 18,792	[13],[14],[15],[48]		$ 19,502	[17],[18],[19]
Investment, Identifier [Axis]: QAD, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[30]		6.00%	[13],[14],[30]		6.00%	[17],[18],[46]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[46]				$ 26,040
Ending balance		$ 25,778	[13],[14],[30]		$ 25,778	[13],[14],[30]		$ 26,040	[17],[18],[46]
Investment, Identifier [Axis]: QAD, Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[21],[35]		6.00%	[13],[14],[21],[35]		6.00%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[22],[23]				$ (69)
Ending balance		$ (86)	[13],[14],[21],[35]		$ (86)	[13],[14],[21],[35]		$ (69)	[18],[22],[23]
Investment, Identifier [Axis]: Quva Pharma, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[15]		5.50%	[13],[14],[15]		5.50%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 38,803
Ending balance		$ 38,610	[13],[14],[15]		$ 38,610	[13],[14],[15]		$ 38,803	[17],[18],[19]
Investment, Identifier [Axis]: Quva Pharma, Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[21],[38]		5.50%	[13],[14],[21],[38]		5.50%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (110)
Ending balance		$ 1,660	[13],[14],[21],[38]		$ 1,660	[13],[14],[21],[38]		$ (110)	[17],[18],[22],[23]
Investment, Identifier [Axis]: REALPAGE, INC., Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.50%	[13],[14],[30],[48]		6.50%	[13],[14],[30],[48]		6.50%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 34,897
Ending balance		$ 33,226	[13],[14],[30],[48]		$ 33,226	[13],[14],[30],[48]		$ 34,897	[17],[18],[27]
Investment, Identifier [Axis]: Recipe Acquisition Corp. (dba Roland Corporation), Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		9.00%	[13],[32]		9.00%	[13],[32]		9.00%	[17],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[19]				$ 30,080
Ending balance		$ 31,440	[13],[32]		31,440	[13],[32]		$ 30,080	[17],[19]
Investment, Identifier [Axis]: Reef Global Acquisition LLC (fka Cheese Acquisition, LLC), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[38]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[38]				128,528
Ending balance	[17],[18],[38]							$ 128,528
Investment, Identifier [Axis]: Reef Global Acquisition LLC (fka Cheese Acquisition, LLC), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[22],[27]							4.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[27]				10,251
Ending balance	[17],[18],[22],[27]							$ 10,251
Investment, Identifier [Axis]: Refresh Parent Holdings, Inc., First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[19],[22],[31]							6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[22],[31]				28,243
Ending balance	[17],[18],[19],[22],[31]							$ 28,243
Investment, Identifier [Axis]: Refresh Parent Holdings, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[19]							6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				88,306
Ending balance	[17],[18],[19]							$ 88,306
Investment, Identifier [Axis]: Refresh Parent Holdings, Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[19],[22]							6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[22]				$ 3,799
Ending balance	[17],[18],[19],[22]							$ 3,799
Investment, Identifier [Axis]: Relativity ODA LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[30]	7.50%			7.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 76,297
Ending balance		$ 81,216	[13],[14],[30]		$ 81,216	[13],[14],[30]		$ 76,297	[17],[18],[27]
Investment, Identifier [Axis]: Relativity ODA LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.50%	[13],[14],[21],[35]		6.50%	[13],[14],[21],[35]		6.50%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (92)
Ending balance		$ (37)	[13],[14],[21],[35]		(37)	[13],[14],[21],[35]		$ (92)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Restore OMH Intermediate Holdings, Inc., Senior Preferred Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[29],[40]				25,506
Ending balance	[18],[29],[40]							$ 25,506
Investment, Identifier [Axis]: Rhea Acquisition Holdings, LP, Series A-2 Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[25],[26]	$ 119			$ 119
Investment, Identifier [Axis]: Rhea Parent, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[32]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[32]	$ 753			$ 753
Investment, Identifier [Axis]: SWK BUYER, Inc. (dba Stonewall Kitchen), First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35],[36]	5.25%			5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35],[36]	$ (3)			$ (3)
Investment, Identifier [Axis]: SWK BUYER, Inc. (dba Stonewall Kitchen), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[45]	5.25%			5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[45]	$ 734			$ 734
Investment, Identifier [Axis]: SWK BUYER, Inc. (dba Stonewall Kitchen), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[45]	5.25%			5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[45]	$ 51			$ 51
Investment, Identifier [Axis]: Safety Products/JHC Acquisition Corp. (dba Justrite Safety Group), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[30]	4.50%			4.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[30]	$ 13,436			$ 13,436
Investment, Identifier [Axis]: Safety Products/JHC Acquisition Corp. (dba Justrite Safety Group), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[27]							4.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 12,948
Ending balance	[17],[18],[27]							$ 12,948
Investment, Identifier [Axis]: SailPoint Technologies Holdings, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[37]	6.25%			6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[37]	$ 44,677			$ 44,677
Investment, Identifier [Axis]: SailPoint Technologies Holdings, Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35]	6.25%			6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35]	$ (92)			$ (92)
Investment, Identifier [Axis]: Sara Lee Frozen Bakery, LLC (fka KSLB Holdings, LLC), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		4.50%	[13],[14],[30]		4.50%	[13],[14],[30]		4.50%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 41,668
Ending balance		$ 40,693	[13],[14],[30]		$ 40,693	[13],[14],[30]		$ 41,668	[17],[18],[27]
Investment, Identifier [Axis]: Sara Lee Frozen Bakery, LLC (fka KSLB Holdings, LLC), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		4.50%	[13],[14],[21],[30]		4.50%	[13],[14],[21],[30]		3.50%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23],[34]				$ (150)
Ending balance		$ 7,815	[13],[14],[21],[30]		$ 7,815	[13],[14],[21],[30]		$ (150)	[17],[18],[22],[23],[34]
Investment, Identifier [Axis]: Securonix, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[32]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[32]	$ 845			$ 845
Investment, Identifier [Axis]: Securonix, Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35]	$ 0			$ 0
Investment, Identifier [Axis]: Shearer's Foods, LLC, Second lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.75%	[13],[14],[30]		7.75%	[13],[14],[30]		7.75%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 120,000
Ending balance		$ 118,200	[13],[14],[30]		$ 118,200	[13],[14],[30]		$ 120,000	[17],[18],[27]
Investment, Identifier [Axis]: SimpliSafe Holding Corporation, First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35],[36]	6.25%			6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35],[36]	$ (2)			$ (2)
Investment, Identifier [Axis]: SimpliSafe Holding Corporation, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[37]	6.25%			6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[37]	$ 6,080			$ 6,080
Investment, Identifier [Axis]: Skyline Holdco B, Inc. (dba Dodge Data & Analytics), Series A Preferred Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[28],[29]				$ 3,612
Ending balance	[18],[28],[29]							$ 3,612
Investment, Identifier [Axis]: Smarsh Inc., First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35],[36]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35],[36]	$ (2)			$ (2)
Investment, Identifier [Axis]: Smarsh Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[32]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[32]	$ 750			$ 750
Investment, Identifier [Axis]: Smarsh Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35]	$ (1)			$ (1)
Investment, Identifier [Axis]: Sonny's Enterprises LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.75%	[13],[14],[15]		6.75%	[13],[14],[15]		6.75%	[17],[18],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[27]				$ 232,258
Ending balance		$ 230,495	[13],[14],[15]		$ 230,495	[13],[14],[15]		$ 232,258	[17],[18],[27]
Investment, Identifier [Axis]: Sonny's Enterprises LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.75%	[13],[14],[21],[35]		6.75%	[13],[14],[21],[35]		6.75%	[17],[18],[22],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[27]				$ 2,567
Ending balance		$ 0	[13],[14],[21],[35]		0	[13],[14],[21],[35]		$ 2,567	[17],[18],[22],[27]
Investment, Identifier [Axis]: Space Exploration Technologies Corp, Class C Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[28],[29]				524
Ending balance	[18],[28],[29]							524
Investment, Identifier [Axis]: Space Exploration Technologies Corp., Class A Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[28],[29]				1,810
Ending balance		3,262	[14],[25],[26]		3,262	[14],[25],[26]		1,810	[18],[28],[29]
Investment, Identifier [Axis]: Space Exploration Technologies Corp., Class C Common Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[25],[26]	$ 655			$ 655
Investment, Identifier [Axis]: Spotless Brands, LLC, First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[36],[37]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[36],[37]	$ 1,989			$ 1,989
Investment, Identifier [Axis]: Spotless Brands, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[32]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[32]	$ 40,051			$ 40,051
Investment, Identifier [Axis]: Spotless Brands, LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[37]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[37]	$ 919			$ 919
Investment, Identifier [Axis]: Sunshine Software Holdings, Inc. (dba Cornerstone OnDemand, Inc.), Series A Preferred Stock
Schedule of Investments [Line Items]
Basis spread, variable rate	[14],[23],[26]	10.50%			10.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[29],[40]				$ 38,380
Ending balance		$ 37,376	[14],[23],[26]		37,376	[14],[23],[26]		38,380	[18],[29],[40]
Investment, Identifier [Axis]: Swipe Acquisition Corporation (dba PLI) | Investment income from controlled, affiliated investments:
Schedule of Investments [Line Items]
Net change in unrealized gain (loss)					47,036			269
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					108,061		99,297	99,297
Gross Additions					4,210			8,495
Gross Reductions					(445)			0
Net change in unrealized gain (loss)					47,036			269
Ending balance		$ 158,862			158,862			108,061
Interest income					4,820			5,497
Dividend income					6,673			0
Other income					$ 513			$ 643
Investment, Identifier [Axis]: Swipe Acquisition Corporation (dba PLI), First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate		8.00%	[13],[14],[21],[24],[32],[36]		8.00%	[13],[14],[21],[24],[32],[36]		8.00%	[17],[18],[19],[22],[31],[60]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[22],[31],[60]				$ 10,635
Ending balance		$ 14,695	[13],[14],[21],[24],[32],[36]		$ 14,695	[13],[14],[21],[24],[32],[36]		$ 10,635	[17],[18],[19],[22],[31],[60]
Investment, Identifier [Axis]: Swipe Acquisition Corporation (dba PLI), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		8.00%	[13],[14],[24],[37]		8.00%	[13],[14],[24],[37]		8.00%	[17],[18],[19],[60]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[60]				$ 49,419
Ending balance		$ 49,454	[13],[14],[24],[37]		$ 49,454	[13],[14],[24],[37]		$ 49,419	[17],[18],[19],[60]
Investment, Identifier [Axis]: Swipe Acquisition Corporation (dba PLI), Letter of Credit
Schedule of Investments [Line Items]
Basis spread, variable rate		8.00%	[13],[14],[21],[24]		8.00%	[13],[14],[21],[24]		8.00%	[17],[18],[22],[60]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[60]				$ 0
Ending balance		$ 0	[13],[14],[21],[24]		0	[13],[14],[21],[24]		$ 0	[17],[18],[22],[60]
Investment, Identifier [Axis]: TC Holdings, LLC (dba TrialCard), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[19]							4.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				73,081
Ending balance	[17],[18],[19]							$ 73,081
Investment, Identifier [Axis]: TC Holdings, LLC (dba TrialCard), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[22],[23]							4.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				0
Ending balance	[17],[18],[22],[23]							$ 0
Investment, Identifier [Axis]: TEMPO BUYER CORP. (dba Global Claims Services), First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[22],[23],[31]							5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23],[31]				(3)
Ending balance	[17],[18],[22],[23],[31]							$ (3)
Investment, Identifier [Axis]: TEMPO BUYER CORP. (dba Global Claims Services), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[19]							5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				1,067
Ending balance	[17],[18],[19]							$ 1,067
Investment, Identifier [Axis]: TEMPO BUYER CORP. (dba Global Claims Services), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[22],[23]							5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (3)
Ending balance	[17],[18],[22],[23]							$ (3)
Investment, Identifier [Axis]: THG Acquisition, LLC (dba Hilb), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[30]		5.75%	[13],[14],[30]		5.75%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 74,569
Ending balance		$ 73,812	[13],[14],[30]		$ 73,812	[13],[14],[30]		$ 74,569	[17],[18],[19]
Investment, Identifier [Axis]: THG Acquisition, LLC (dba Hilb), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[21],[35]		5.75%	[13],[14],[21],[35]		5.75%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (107)
Ending balance		$ (129)	[13],[14],[21],[35]		$ (129)	[13],[14],[21],[35]		$ (107)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Tahoe Finco, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[16],[30]		6.00%	[13],[14],[16],[30]		6.00%	[17],[18],[19],[20]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[20]				$ 121,777
Ending balance		$ 121,099	[13],[14],[16],[30]		$ 121,099	[13],[14],[16],[30]		$ 121,777	[17],[18],[19],[20]
Investment, Identifier [Axis]: Tahoe Finco, LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[16],[21],[35]		6.00%	[13],[14],[16],[21],[35]		6.00%	[17],[18],[20],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[20],[22],[23]				$ (111)
Ending balance		$ (162)	[13],[14],[16],[21],[35]		$ (162)	[13],[14],[16],[21],[35]		$ (111)	[17],[18],[20],[22],[23]
Investment, Identifier [Axis]: Tall Tree Foods, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.25%	[13],[30]		7.25%	[13],[30]		7.25%	[17],[27]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[27]				$ 40,477
Ending balance		$ 41,392	[13],[30]		$ 41,392	[13],[30]		$ 40,477	[17],[27]
Investment, Identifier [Axis]: Tamarack Intermediate, L.L.C. (dba Verisk 3E), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[45]	5.50%			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[45]	$ 838			$ 838
Investment, Identifier [Axis]: Tamarack Intermediate, L.L.C. (dba Verisk 3E), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35]	5.50%			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35]	$ (3)			$ (3)
Investment, Identifier [Axis]: Temop Buyer Corp. (dba Global Claims Services), First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35],[36]	5.50%			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35],[36]	$ (5)			$ (5)
Investment, Identifier [Axis]: Temop Buyer Corp. (dba Global Claims Services), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[15]	5.50%			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[15]	$ 1,051			$ 1,051
Investment, Identifier [Axis]: Temop Buyer Corp. (dba Global Claims Services), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[33]	4.50%			4.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[33]	$ 5			$ 5
Investment, Identifier [Axis]: The NPD Group, L.P., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[37]	6.25%			6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[37]	$ 23,056			$ 23,056
Investment, Identifier [Axis]: The NPD Group, L.P., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35]	$ (31)			$ (31)
Investment, Identifier [Axis]: The Shade Store, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[30]		6.00%	[13],[14],[30]		6.00%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 8,977
Ending balance		$ 8,797	[13],[14],[30]		$ 8,797	[13],[14],[30]		$ 8,977	[17],[18],[19]
Investment, Identifier [Axis]: The Shade Store, LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[21],[35]		6.00%	[13],[14],[21],[35]		6.00%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (11)
Ending balance		$ (23)	[13],[14],[21],[35]		$ (23)	[13],[14],[21],[35]		$ (11)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Thunder Purchaser, Inc. (dba Vector Solutions), First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[15],[21],[36]		5.75%	[13],[14],[15],[21],[36]		5.75%	[17],[18],[22],[23],[31]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23],[31]				$ (41)
Ending balance		$ 3,789	[13],[14],[15],[21],[36]		$ 3,789	[13],[14],[15],[21],[36]		$ (41)	[17],[18],[22],[23],[31]
Investment, Identifier [Axis]: Thunder Purchaser, Inc. (dba Vector Solutions), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[15]		5.75%	[13],[14],[15]		5.75%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 64,357
Ending balance		$ 63,027	[13],[14],[15]		$ 63,027	[13],[14],[15]		$ 64,357	[17],[18],[19]
Investment, Identifier [Axis]: Thunder Purchaser, Inc. (dba Vector Solutions), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[15],[21]		5.75%	[13],[14],[15],[21]		5.75%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (29)
Ending balance		$ 1,239	[13],[14],[15],[21]		1,239	[13],[14],[15],[21]		$ (29)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Thunder Topco L.P. (dba Vector Solutions), Common Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[28],[29]				4,519
Ending balance		$ 3,673	[14],[25],[26]		$ 3,673	[14],[25],[26]		$ 4,519	[18],[28],[29]
Investment, Identifier [Axis]: Tivity Health, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[32]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[32]	$ 985			$ 985
Investment, Identifier [Axis]: Troon Golf, L.L.C, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[19]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				281,659
Ending balance	[17],[18],[19]							$ 281,659
Investment, Identifier [Axis]: Troon Golf, L.L.C, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[22],[23]							6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (108)
Ending balance	[17],[18],[22],[23]							$ (108)
Investment, Identifier [Axis]: Troon Golf, L.L.C., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[38]	5.75%			5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[38]	$ 280,946			$ 280,946
Investment, Identifier [Axis]: Troon Golf, L.L.C., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35]	$ 0			$ 0
Investment, Identifier [Axis]: USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[33]		5.50%	[13],[14],[33]		5.50%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 38,306
Ending balance		$ 37,824	[13],[14],[33]		$ 37,824	[13],[14],[33]		$ 38,306	[17],[18],[19]
Investment, Identifier [Axis]: USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[21],[35]		5.50%	[13],[14],[21],[35]		5.50%	[17],[18],[19],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[22],[23]				$ (14)
Ending balance		$ (106)	[13],[14],[21],[35]		(106)	[13],[14],[21],[35]		$ (14)	[17],[18],[19],[22],[23]
Investment, Identifier [Axis]: Ultimate Baked Goods Midco, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18]							6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[46]				$ 80,003
Ending balance	[17],[18],[46]							$ 80,003
Investment, Identifier [Axis]: Ultimate Baked Goods Midco, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[15]	6.50%			6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[15]	$ 78,181			$ 78,181
Investment, Identifier [Axis]: Ultimate Baked Goods Midco, LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.50%	[13],[14],[15],[21]		6.50%	[13],[14],[15],[21]		6.25%	[17],[18],[22],[38]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[38]				$ 4,973
Ending balance		$ 6,564	[13],[14],[15],[21]		$ 6,564	[13],[14],[15],[21]		$ 4,973	[17],[18],[22],[38]
Investment, Identifier [Axis]: Unified Women's Healthcare, LP, First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[36]	5.50%			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[36]	$ 0			$ 0
Investment, Identifier [Axis]: Unified Women's Healthcare, LP, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[37]	5.50%			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[37]	$ 858			$ 858
Investment, Identifier [Axis]: Unified Women's Healthcare, LP, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[35]	5.50%			5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[35]	$ 0			$ 0
Investment, Identifier [Axis]: VEPF Torreys Aggregator, LLC (dba MINDBODY, Inc.), Series A Preferred Stock
Schedule of Investments [Line Items]
Basis spread, variable rate	[14],[23],[26]	6.00%			6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[29],[40]				$ 21,250
Ending balance		$ 20,772	[14],[23],[26]		$ 20,772	[14],[23],[26]		$ 21,250	[18],[29],[40]
Investment, Identifier [Axis]: Valence Surface Technologies LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.75%	[13],[14],[32]		7.75%	[13],[14],[32]		6.75%	[17],[18],[51]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[38]				$ 110,249
Ending balance		$ 101,016	[13],[14],[32]		101,016	[13],[14],[32]		$ 110,249	[17],[18],[38]
Investment, Identifier [Axis]: Valence Surface Technologies LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[19],[22]							6.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[22]				$ 9,031
Ending balance	[17],[18],[19],[22]							$ 9,031
Investment, Identifier [Axis]: Valence Surface Technologies LLC, First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[21],[32]	7.75%			7.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[21],[32]	$ 8,201			$ 8,201
Investment, Identifier [Axis]: Velocity HoldCo III Inc. (dba VelocityEHS), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[15]		5.75%	[13],[14],[15]		5.75%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 21,771
Ending balance		$ 22,048	[13],[14],[15]		$ 22,048	[13],[14],[15]		$ 21,771	[17],[18],[19]
Investment, Identifier [Axis]: Velocity HoldCo III Inc. (dba VelocityEHS), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.75%	[13],[14],[21],[35]		5.75%	[13],[14],[21],[35]		5.75%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (27)
Ending balance		$ 0	[13],[14],[21],[35]		$ 0	[13],[14],[21],[35]		$ (27)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Vermont Aus Pty Ltd, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[13],[14],[16],[32]	5.65%			5.65%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[13],[14],[16],[32]	$ 968			$ 968
Investment, Identifier [Axis]: WMC Bidco, Inc. (dba West Monroe), Senior Preferred Stock
Schedule of Investments [Line Items]
Basis spread, variable rate	[14],[23],[26]	11.25%			11.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[23],[26]	$ 17,245			$ 17,245
Investment, Identifier [Axis]: WMC Bidco, Inc., Senior Preferred Stock
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[29],[40]				16,233
Ending balance	[18],[29],[40]							$ 16,233
Investment, Identifier [Axis]: WP Irving Co-Invest, L.P., Common Equity
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Ending balance	[14],[16],[25],[26]	$ 1,250			1,250
Investment, Identifier [Axis]: WU Holdco, Inc. (dba Weiman Products, LLC), First lien senior secured delayed draw term loan
Schedule of Investments [Line Items]
Basis spread, variable rate	[17],[18],[22],[23],[31]							5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23],[31]				$ 0
Ending balance	[17],[18],[22],[23],[31]							$ 0
Investment, Identifier [Axis]: WU Holdco, Inc. (dba Weiman Products, LLC), First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[15]		5.50%	[13],[14],[15]		5.50%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 190,078
Ending balance		$ 199,828	[13],[14],[15]		$ 199,828	[13],[14],[15]		$ 190,078	[17],[18],[19]
Investment, Identifier [Axis]: WU Holdco, Inc. (dba Weiman Products, LLC), First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[21],[38]		5.50%	[13],[14],[21],[38]		5.50%	[17],[18],[19],[22]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19],[22]				$ 5,762
Ending balance		$ 9,651	[13],[14],[21],[38]		$ 9,651	[13],[14],[21],[38]		$ 5,762	[17],[18],[19],[22]
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		8.75%	[13],[14],[15],[49]		8.75%	[13],[14],[15],[49]		8.75%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 80,047
Ending balance		$ 59,035	[13],[14],[15],[49]		$ 59,035	[13],[14],[15],[49]		$ 80,047	[17],[18],[19]
Investment, Identifier [Axis]: When I Work, Inc., First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		7.00%	[13],[14],[15]		7.00%	[13],[14],[15]		6.00%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 4,883
Ending balance		$ 5,031	[13],[14],[15]		$ 5,031	[13],[14],[15]		$ 4,883	[17],[18],[19]
Investment, Identifier [Axis]: When I Work, Inc., First lien senior secured revolving loan
Schedule of Investments [Line Items]
Basis spread, variable rate		6.00%	[13],[14],[21],[35]		6.00%	[13],[14],[21],[35]		6.00%	[17],[18],[22],[23]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[22],[23]				$ (9)
Ending balance		$ (18)	[13],[14],[21],[35]		(18)	[13],[14],[21],[35]		$ (9)	[17],[18],[22],[23]
Investment, Identifier [Axis]: Windows Entities, LLC Units
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[18],[20],[28],[29],[64]				103,561
Ending balance		106,939	[14],[26],[65]		106,939	[14],[26],[65]		103,561	[18],[20],[28],[29],[64]
Investment, Identifier [Axis]: Wingspire Capital Holdings LLC | Investment income from controlled, affiliated investments:
Schedule of Investments [Line Items]
Net change in unrealized gain (loss)					13,788			44,125
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance					242,163		$ 67,538	67,538
Gross Additions					189,682			277,500
Gross Reductions					(33,575)			(147,000)
Net change in unrealized gain (loss)					13,788			44,125
Ending balance		412,058			412,058			242,163
Interest income					0			0
Dividend income					28,500			6,000
Other income					0			0
Investment, Identifier [Axis]: Wingspire Capital Holdings LLC, LLC Interest
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[22],[29],[57],[60]				242,163
Ending balance		$ 412,058	[21],[24],[26],[44]		$ 412,058	[21],[24],[26],[44]		$ 242,163	[22],[29],[57],[60]
Investment, Identifier [Axis]: Zenith Energy U.S. Logistics Holdings, LLC, First lien senior secured loan
Schedule of Investments [Line Items]
Basis spread, variable rate		5.50%	[13],[14],[15]		5.50%	[13],[14],[15]		5.50%	[17],[18],[19]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Beginning balance	[17],[18],[19]				$ 64,476
Ending balance		$ 64,476	[13],[14],[15]		$ 64,476	[13],[14],[15]		$ 64,476	[17],[18],[19]

[1] Certain portfolio company investments are subject to contractual restrictions on sales.

[2] Unless otherwise indicated, all investments are considered Level 3 investments.

[3] Unless otherwise indicated, the Company’s portfolio companies are pledged as collateral supporting the amounts outstanding under the Revolving Credit Facility, SPV Asset Facilities and CLOs. See Note 6 “Debt”.

[4] Certain portfolio company investments are subject to contractual restrictions on sales. Refer to footnote 30 for additional information on our restricted securities.

[5] Unless otherwise indicated, all investments are considered Level 3 investments.

[6] Unless otherwise indicated, the Company’s portfolio companies are pledged as collateral supporting the amounts outstanding under the Revolving Credit Facility, SPV Asset Facilities and CLOs. See Note 6 “Debt”.

[7] Gross additions may include increases in the cost basis of investments resulting from new investments, amounts related to payment-in-kind (“PIK”) interest capitalized and added to the principal balance of the respective loans, the accretion of discounts, the exchange of one or more existing investments for one or more new investments and the movement at fair value of an existing portfolio company into this controlled affiliated category from a different category.

[8] Gross reductions may include decreases in the cost basis of investments resulting from principal collections related to investment repayments and sales, return of capital, the amortization of premiums and the exchange of one or more existing securities for one or more new securities.

[9] Gross additions may include increases in the cost basis of investments resulting from new investments, amounts related to payment-in-kind (“PIK”) interest capitalized and added to the principal balance of the respective loans, the accretion of discounts, the exchange of one or more existing investments for one or more new investments and the movement at fair value of an existing portfolio company into this controlled affiliated category from a different category.

[10] Gross additions may include increases in the cost basis of investments resulting from new investments, amounts related to payment-in-kind (“PIK”) interest capitalized and added to the principal balance of the respective loans, the accretion of discounts, the exchange of one or more existing investments for one or more new investments and the movement at fair value of an existing portfolio company into this controlled affiliated category from a different category.

[11] Gross reductions may include decreases in the cost basis of investments resulting from principal collections related to investment repayments and sales, return of capital, the amortization of premiums and the exchange of one or more existing securities for one or more new securities.

[12] Gross reductions may include decreases in the cost basis of investments resulting from principal collections related to investment repayments and sales, return of capital, the amortization of premiums and the exchange of one or more existing securities for one or more new securities.

[13] Loan contains a variable rate structure and may be subject to an interest rate floor. Variable rate loans bear interest at a rate that may be determined by reference to either the London Interbank Offered Rate (“LIBOR” or “L”, which can include one-, three-, six- or twelve- month LIBOR), Secured Overnight Financing Rate ("SOFR" or "S," which can include one-, three- or six- month SOFR), Euro Interbank Offered Rate (“EURIBOR”), Great Britain Pound London Interbank Offered Rate (“GBPLIBOR” or “G”, which can include three- or six-month GBPLIBOR), SONIA ("SONIA” or "SA") or an alternate base rate (which can include the Federal Funds Effective Rate or the Prime Rate), at the borrower’s option, and which reset periodically based on the terms of the loan agreement.

[14] Represents co-investment made with the Company’s affiliates in accordance with the terms of the exemptive relief that the Company received from the U.S. Securities and Exchange Commission. See Note 3 “Agreements and Related Party Transactions.”

[15] The interest rate on these loans is subject to 3 month LIBOR, which as of September 30, 2022 was 3.75%.

[16] This portfolio company is not a qualifying asset under Section 55(a) of the Investment Company Act of 1940, as amended (the “1940 Act”). Under the 1940 Act, the Company may not acquire any non-qualifying asset unless, at the time such acquisition is made, qualifying assets represent at least 70% of total assets. As of September 30, 2022, non-qualifying assets represented 13.5% of total assets as calculated in accordance with the regulatory requirements.

[17] Loan contains a variable rate structure and may be subject to an interest rate floor. Variable rate loans bear interest at a rate that may be determined by reference to either the London Interbank Offered Rate (“LIBOR” or “L”, which can include one-, two-, three- or six-month LIBOR), Euro Interbank Offered Rate (“EURIBOR” or “E”, which can include one-, two-, three- or six-month EURIBOR), SONIA (“SONIA” or “S”), or an alternate base rate (which can include the Federal Funds Effective Rate or the Prime Rate), at the borrower’s option, and which reset periodically based on the terms of the loan agreement.

[18] Represents co-investment made with the Company’s affiliates in accordance with the terms of the exemptive relief that the Company received from the U.S. Securities and Exchange Commission. See Note 3 “Agreements and Related Party Transactions.”

[19] The interest rate on these loans is subject to 3 month LIBOR, which as of December 31, 2021 was 0.21%.

[20] This portfolio company is not a qualifying asset under Section 55(a) of the Investment Company Act of 1940, as amended (the “1940 Act”). Under the 1940 Act, the Company may not acquire any non-qualifying asset unless, at the time such acquisition is made, qualifying assets represent at least 70% of total assets. As of December 31, 2021, non-qualifying assets represented 9.9% of total assets as calculated in accordance with the regulatory requirements.

[21] Contains a fixed-rate structure.

[22] Position or portion thereof is an unfunded loan or equity commitment. See Note 7 “Commitments and Contingencies”.

[23] The negative cost is the result of the capitalized discount being greater than the principal amount outstanding on the loan. The negative fair value is the result of the capitalized discount on the loan.

[24] As defined in the 1940 Act, the Company is deemed to be both an “Affiliated Person” and has “Control” of this portfolio company as the Company owns more than 25% of the portfolio company’s outstanding voting securities or has the power to exercise control over management or policies of such portfolio company, including through a management agreement (“controlled affiliate”). The Company’s investment in controlled affiliates for the period ended September 30, 2022, were as follows: ($ in thousands)Fair value
as of December 31, 2021Gross Additions
(a)Gross Reductions(b)Change in Unrealized Gains (Losses)Fair value
as of September 30, 2022Interest IncomeDividend IncomeOther IncomeControlled AffiliatesAAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC(d)$— $5 $— $(5)$— $— $— $— AAM Series 2.1 Aviation Feeder, LLC(d)— 1,373 — (5)1,368 — — — ORCC Senior Loan Fund LLC (fka Sebago Lake LLC)(c)247,061 118,124 (22,750)(28,525)313,910 — 23,963 — PS Operating Company LLC (fka QC Supply, LLC)19,495 2,470 (1,112)(657)20,196 947 — 7 Swipe Acquisition Corporation (dba PLI)108,061 4,210 (445)47,036 158,862 4,820 6,673 513 Wingspire Capital Holdings LLC242,163 189,682 (33,575)13,788 412,058 — 28,500 — Total Controlled Affiliates$616,780 $315,864 $(57,882)$31,632 $906,394 $5,767 $59,136 $520  ________________ (a)Gross additions may include increases in the cost basis of investments resulting from new investments, amounts related to payment-in-kind (“PIK”) interest capitalized and added to the principal balance of the respective loans, the accretion of discounts, the exchange of one or more existing investments for one or more new investments and the movement at fair value of an existing portfolio company into this controlled affiliated category from a different category. (b)Gross reductions may include decreases in the cost basis of investments resulting from principal collections related to investment repayments and sales, return of capital, the amortization of premiums and the exchange of one or more existing securities for one or more new securities. (c)For further description of the Company's investment in ORCC Senior Loan Fund LLC (fka Sebago Lake LLC), see Note 4 "Investments." (d)In connection with its investment in AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC and AAM Series 2.1 Aviation Feeder, LLC (collectively, “Amergin Assetco”) the Company made a minority investment in Amergin Asset Management, LLC which has entered into a Servicing Agreement with Amergin Assetco.

[25] Investment is non-income producing.

[26] Securities acquired in transactions exempt from registration under the Securities Act of 1933, as amended (the “Securities Act”) and may be deemed to be “restricted securities” under the Securities Act. As of September 30, 2022, the aggregate fair value of these securities is $1.5 billion or 25.4% of the Company’s net assets. The acquisition dates of the restricted securities are as follows: Portfolio CompanyInvestmentAcquisition DateAAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC**LLC InterestJuly 1, 2022AAM Series 2.1 Aviation Feeder, LLC**LLC InterestJuly 1, 2022Amergin Asset Management, LLCClass A UnitsJuly 1, 2022Accelerate topco Holdings, LLCCommon UnitsSeptember 1, 2022ASP Conair Holdings LPClass A UnitsMay 17, 2021Associations Finance, Inc.Preferred StockJune 10, 2022Windows EntitiesLLC UnitsJanuary 16, 2020BCTO WIW Holdings, Inc. (dba When I Work)Class A Common StockNovember 2, 2021BEHP Co-Investor II, L.P.LP InterestMay 11, 2022WP Irving Co-Invest, L.P.Partnership UnitsMay 18, 2022Blend Labs, Inc.WarrantsJuly 2, 2021Brooklyn Lender Co-Invest 2, L.P. (dba Boomi)Common UnitsOctober 1, 2021CD&R Value Building Partners I, L.P. (dba Belron)LP InterestDecember 2, 2021Chapford SMA Partnership, L.P.**LP InterestJuly 18, 2022Denali Holding, LP (dba Summit Companies)Class A UnitsSeptember 15, 2021Dodge Contruction Network Holdings, LPClass A-2 Common UnitsFebruary 23, 2022Dodge Contruction Network Holdings, LPSeries A Preferred UnitsFebruary 23, 2022Elliott Alto Co-Investor Aggregator L.P.LP InterestSeptember 28, 2022Picard Holdco, LLCSeries A Preferred StockSeptember 29, 2022Evology, LLCClass B UnitsJanuary 24, 2022Evolution Parent, LP (dba SIAA)LP InterestApril 30, 2021Gloves Holdings, LP (dba Protective Industrial Products)LP InterestDecember 29, 2020GrowthCurve Capital Sunrise Co-Invest LP (dba Brightway)LP InterestDecember 16, 2021Hercules Buyer, LLC (dba The Vincit Group)Common UnitsDecember 15, 2020Hissho Sushi Holdings, LLCClass A unitsMay 17, 2022Insight CP (Blocker) Holdings, L.P. (dba CivicPlus, LLC)LP InterestJune 8, 2022Knockout Intermediate Holdings I Inc. (dba Kaseya)Perpetual Preferred StockJune 23, 2022KOBHG Holdings, L.P. (dba OB Hospitalist)Class A InterestsSeptember 27, 2021Maia Aggregator, LPClass A-2 UnitsFebruary 1, 2022H-Food Holdings, LLCLLC InterestNovember 23, 2018MessageBird Holding B.V.Extended Series C WarrantsMay 5, 2021Metis HoldCo, Inc. (dba Mavis Tire Express Services)Series A Convertible Preferred StockMay 4, 2021Minerva Holdco, Inc.Series A Preferred StockFebruary 15, 2022KPCI Holdings, L.P.Class A UnitsNovember 30, 2020Patriot Holdings SCSp (dba Corza Health, Inc.)*Class B UnitsJanuary 29, 2021Patriot Holdings SCSp (dba Corza Health, Inc.)Class A UnitsJanuary 29, 2021PCF Holdco, LLC (dba PCF Insurance Services)Class A UnitsNovember 1, 2021Project Alpine Co-Invest Fund,
LPLP InterestJune 10, 2022Project Hotel California Co-Invest Fund, L.P. LP InterestAugust 9, 2022PS Op Holdings LLC (fka QC Supply, LLC)**Class A Common UnitsDecember 21, 2021Rhea Acquisition Holdings, LPSeries A-2 UnitsFebruary 18, 2022ORCC Senior Loan Fund LLC (fka Sebago Lake LLC)*LLC InterestJune 20, 2017Space Exploration Technologies Corp.Class A Common StockMarch 25, 2021Space Exploration Technologies Corp.Class C Common StockMarch 25, 2021Sunshine Software Holdings, Inc. (dba Cornerstone OnDemand)Series A Preferred StockOctober 14, 2021New PLI Holdings, LLC (dba PLI)**Class A Common UnitsDecember 23, 2020Thunder Topco L.P. (dba Vector Solutions)Common UnitsJune 30, 2021VEPF Torreys Aggregator, LLC (dba MINDBODY, Inc.)Series A Preferred StockOctober 15, 2021Wingspire Capital Holdings LLC**LLC InterestSeptember 24, 2019WMC Bidco, Inc. (dba West Monroe)Senior Preferred StockNovember 9, 2021 * Refer to Note 4 “Investments – ORCC Senior Loan Fund LLC,” for further information. ** Refer to Note 3 “Agreements and Related Party Transactions – Controlled/Affiliated Portfolio Companies”.

[27] The interest rate on these loans is subject to 1 month LIBOR, which as of December 31, 2021 was 0.10%.

[28] Investment is non-income producing.

[29] Securities acquired in transactions exempt from registration under the Securities Act of 1933, as amended (the “Securities Act”) and may be deemed to be “restricted securities” under the Securities Act. As of December 31, 2021, the aggregate fair value of these securities is $1.1 billion or 18.3% of the Company’s net assets. The acquisition dates of the restricted securities are as follows: Portfolio CompanyInvestmentAcquisition DateASP Conair Holdings LPClass A UnitsMay 17, 2021BCTO WIW Holdings, Inc. (dba When I Work)Class A Common StockNovember 2, 2021Blend Labs, Inc.Common StockFebruary 24, 2021Blend Labs, Inc.WarrantsJuly 2, 2021Brooklyn Lender Co-Invest 2, L.P.Common UnitsOctober 1, 2021CD&R Value Building Partners I, L.P.LP InterestDecember 2, 2021Denali Holding LP (dba Summit Companies)Class A UnitsSeptember 15, 2021Evolution Parent, LP (dba SIAA)LP InterestApril 30, 2021KOBHG Holdings, L.P. (dba OB Hospitalist)Class A InterestsSeptember 27, 2021Gloves Holdings, LP (dba Protective Industrial Products)LP InterestDecember 29, 2020GrowthCurve Capital Sunrise Co-Invest LPLP InterestDecember 16, 2021Hercules Buyer, LLC (dba The Vincit Group)Common UnitsDecember 15, 2020H-Food Holdings, LLCLLC InterestNovember 23, 2018KPCI Holdings, LPClass A UnitsNovember 30, 2020MessageBird Holding B.V.Extended Series C WarrantsMay 5, 2021Metis HoldCo, Inc. (dba Mavis Tire Express Services)Series A Convertible Preferred StockMay 4, 2021New PLI Holdings, LLCClass A Common UnitsDecember 23, 2020ORCC Senior Loan Fund LLC (fka Sebago Lake LLC)LLC InterestJune 20, 2017Patriot Holdings SCSp (dba Corza Health, Inc.)Class A UnitsJanuary 29, 2021Patriot Holdings SCSp (dba Corza Health, Inc.)Class B UnitsJanuary 29, 2021PCF Holdco, LLC (dba PCF Insurance Services)Class A UnitsNovember 1, 2021PCF Holdco, LLC (dba PCF Insurance Services)Class A WarrantsOctober 29, 2021PS Op Holdings LLCClass A Common UnitsDecember 21, 2021Restore OMH Intermediate Holdings, Inc.Senior Preferred StockDecember 9, 2020Skyline Holdco B, Inc. (dba Dodge Data & Analytics)Series A Preferred StockApril 14, 2021Space Exploration Technologies Corp.Class A Common StockMarch 25, 2021Space Exploration Technologies Corp.Class C Common StockMarch 25, 2021Sunshine Software Holdings, Inc. (dba Cornerstone OnDemand, Inc.)Series A Preferred StockOctober 14, 2021 Thunder Topco L.P. (dba Vector Solutions)Common UnitsJune 30, 2021VEPF Torreys Aggregator, LLC (dba MINDBODY, Inc.)Series A Preferred StockOctober 15, 2021Windows EntitiesLLC UnitsJanuary 16, 2020Wingspire Capital Holdings LLCLLC InterestSeptember 24, 2019WMC Bidco, Inc.Senior Preferred StockNovember 9, 2021 * Refer to Note 4 “Investments – ORCC Senior Loan Fund LLC,” for further information. ** Refer to Note 3 “Agreements and Related Party Transactions – Controlled/Affiliated Portfolio Companies”.

[30] The interest rate on these loans is subject to 1 month LIBOR, which as of September 30, 2022 was 3.14%.

[31] The date disclosed represents the commitment period of the unfunded term loan. Upon expiration of the commitment period, the funded portion of the term loan may be subject to a longer maturity date.

[32] The interest rate on these loans is subject to 1 month SOFR, which as of September 30, 2022 was 3.04%.

[33] The interest rate on these loans is subject to 6 month SOFR, which as of September 30, 2022 was 3.99%.

[34] The interest rate on these loans is subject to Prime, which as of December 31, 2021 was 3.25%.

[35] Position or portion thereof is an unfunded loan or equity commitment. See Note 7 “Commitments and Contingencies”.

[36] The negative cost is the result of the capitalized discount being greater than the principal amount outstanding on the loan. The negative fair value is the result of the capitalized discount on the loan.

[37] The interest rate on these loans is subject to 1 month SOFR, which as of September 30, 2022 was 3.04%.

[38] The interest rate on these loans is subject to 6 month LIBOR, which as of September 30, 2022 was 4.23%.

[39] The interest rate on this loan is subject to SONIA, which as of September 30, 2022 was 2.19%.

[40] Contains a fixed-rate structure.

[41] The interest rate on this loan is subject to 6 month EURIBOR, which as of September 30, 2022 was 1.81%.

[42] The interest rate on this loan is subject to SONIA, which as of December 31, 2021 was 0.26%.

[43] The interest rate on this loan is subject to 6 month EURIBOR, which as of December 31, 2021 was (0.55)%

[44] Investment is not pledged as collateral for the credit facilities.

[45] The interest rate on these loans is subject to 3 month SOFR, which as of September 30, 2022 was 3.59%.

[46] The interest rate on these loans is subject to 2 month LIBOR, which as of December 31, 2021 was 0.15%.

[47] Level 1 investment.

[48] Level 2 investment.

[49] Loan was on non-accrual status as of September 30, 2022.

[50] Loan was on non-accrual status as of December 31, 2021.

[51] The interest rate on these loans is subject to 6 month LIBOR, which as of December 31, 2021 was 0.34%.

[52] The date disclosed represents the commitment period of the unfunded term loan. Upon expiration of the commitment period, the funded portion of the term loan may be subject to a longer maturity date. (26)As defined in the 1940 Act, the Company is deemed to be an “affiliated person” of this portfolio company as the Company owns more than 5% but less than 25% of the portfolio company's voting securities or has the power to exercise control over management or policies of such portfolio company, including through a management agreement (“non-controlled affiliate”). Transactions related to investments in non-controlled affiliates for the nine months ended September 30, 2022 were as follows: ($ in thousands)Fair value
as of December 31, 2021Gross Additions
(a)Gross Reductions(b)Change in Unrealized Gains (Losses)Fair value
as of September 30, 2022Interest IncomeDividend IncomeOther IncomeNon-Controlled AffiliatesChapford SMA Partnership, L.P.$— $7,032 $— $— $7,032 $— $— $— Total Non-Controlled Affiliates$— $7,032 $— $— $7,032 $— $— $— 

[53] We invest in this portfolio company through underlying blocker entities Hercules Blocker 1 LLC, Hercules Blocker 2 LLC, Hercules Blocker 3 LLC, Hercules Blocker 4 LLC, and Hercules Blocker 5 LLC.

[54] We invest in this portfolio company through underlying blocker entities Hercules Blocker 1 LLC, Hercules Blocker 2 LLC, Hercules Blocker 3 LLC, Hercules Blocker 4 LLC, and Hercules Blocker 5 LLC.

[55] The interest rate on this loan is subject to 3 month EURIBOR, which as of September 30, 2022 was 1.17%.

[56] The interest rate on this loan is subject to 3 month Canadian Dollar Offered Rate (“CDOR” or “C”), which as of December 31, 2021 was 0.52%.

[57] Investment is not pledged as collateral for the credit facilities.

[58] The interest rate on these loans is subject to Prime, which as of September 30, 2022 was 6.25%.

[59] The interest rate on this loan is subject to 3 month EURIBOR, which as of December 31, 2021 was (0.57)%.

[60] As defined in the 1940 Act, the Company is deemed to be both an “Affiliated Person” and has “Control” of this portfolio company as the Company owns more than 25% of the portfolio company’s outstanding voting securities or has the power to exercise control over management or policies of such portfolio company (including through a management agreement). The Company’s investment in affiliates for the year ended December 31, 2021, were as follows: ($ in thousands)Fair value as of December 31, 2020Gross Additions (a)Gross Reductions(b)Change in Unrealized Gains (Losses)Fair value as of December 31, 2021Interest IncomeDividend IncomeOther IncomeControlled AffiliatesORCC Senior Loan Fund LLC (fka Sebago Lake LLC)(c)$105,546 $168,001 $(26,125)$(362)$247,061 $— $14,394 $— PS Operating Company LLC (fka QC Supply, LLC)— 20,440 (994)49 19,495 34 — — Swipe Acquisition Corporation (dba PLI)99,297 8,495 — 269 108,061 5,497 — 643 Wingspire Capital Holdings LLC67,538 277,500 (147,000)44,125 242,163 — 6,000 — Total Controlled Affiliates$272,381 $474,436 $(174,119)$44,081 $616,780 $5,531 $20,394 $643  (a)Gross additions may include increases in the cost basis of investments resulting from new investments, amounts related to payment-in-kind (“PIK”) interest capitalized and added to the principal balance of the respective loans, the accretion of discounts, the exchange of one or more existing investments for one or more new investments and the movement at fair value of an existing portfolio company into this controlled affiliated category from a different category. (b)Gross reductions may include decreases in the cost basis of investments resulting from principal collections related to investment repayments and sales, return of capital, the amortization of premiums and the exchange of one or more existing securities for one or more new securities. (c)For further description of the Company's investment in ORCC Senior Loan Fund LLC (fka Sebago Lake LLC), see Note 4 "Investments."

[61] Level 1 investment.

[62] For further description of the Company's investment in ORCC Senior Loan Fund LLC (fka Sebago Lake LLC), see Note 4 "Investments."(d)In connection with its investment in AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC and AAM Series 2.1 Aviation Feeder, LLC (collectively, “Amergin Assetco”) the Company made a minority investment in Amergin Asset Management, LLC which has entered into a Servicing Agreement with Amergin Assetco.

[63] Investment measured at net asset value (“NAV”).

[64] Investment represents multiple underlying investments, including Midwest Custom Windows, LLC, Greater Toronto Custom Windows, Corp., Garden State Custom Windows, LLC, Long Island Custom Windows, LLC, Jemico, LLC and Atlanta Custom Windows, LLC. Greater Toronto Custom Windows, Corp. is considered a non-qualifying asset, with a fair value of $8.0 million as of December 31, 2021.

[65] Investment represents multiple underlying investments, including Midwest Custom Windows, LLC, Greater Toronto Custom Windows, Corp., Garden State Custom Windows, LLC, Long Island Custom Windows, LLC, Jemico, LLC, Atlanta Custom Windows, LLC and Fairchester Custom Windows. Greater Toronto Custom Windows, Corp. is considered a non-qualifying asset, with a fair value of $7.7 million as of September 30, 2022.