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Investments - Individual Investments in the Portfolios of SLP III Cost and Fair Value (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost $ 3,101,924 $ 3,038,208
Fair Value 3,091,024 3,011,322
Investment, Identifier [Axis]: AAC Lender Holdings, LLC, Ordinary shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 0 [1],[2],[3] 0 [4],[5],[6]
Fair Value 0 [1],[2],[3] 0 [4],[5],[6]
Investment, Identifier [Axis]: AAH Topco, LLC, Subordinated 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   13,865
Fair Value [5],[6]   13,420
Investment, Identifier [Axis]: AAH Topco, LLC, Subordinated 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[7]   5,437
Fair Value [5],[7]   5,263
Investment, Identifier [Axis]: AAH Topco, LLC, First Lien - Drawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[8],[9]   22,772
Fair Value [5],[8],[9]   22,965
Investment, Identifier [Axis]: AAH Topco, LLC, First Lien - Drawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[7],[8]   7,388
Fair Value [5],[7],[8]   7,450
Investment, Identifier [Axis]: AAH Topco, LLC, First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   20,278
Fair Value [5],[10]   20,426
Investment, Identifier [Axis]: AAH Topco, LLC, First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[7]   9,628
Fair Value [5],[7]   9,698
Investment, Identifier [Axis]: AAH Topco, LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (37) [2],[3],[11] (37) [5],[6],[8]
Fair Value 0 [2],[3],[11] 0 [5],[6],[8]
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 22,583  
Fair Value [2],[12],[13] 22,734  
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 20,104  
Fair Value [2],[3],[14] 20,218  
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[15] 9,545  
Fair Value [2],[15] 9,599  
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 4    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[15] 7,327  
Fair Value [2],[15] 7,375  
Investment, Identifier [Axis]: AAH Topco, LLC, Subordinated 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 15,598  
Fair Value [2],[3],[14] 15,366  
Investment, Identifier [Axis]: AAH Topco, LLC, Subordinated 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[15] 6,117  
Fair Value [2],[15] 6,027  
Investment, Identifier [Axis]: ACI Group Holdings, Inc. First Lien - Drawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   1,384
Fair Value [5],[6],[8]   1,364
Investment, Identifier [Axis]: ACI Group Holdings, Inc. First Lien - Drawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   350
Fair Value [5],[6],[8]   345
Investment, Identifier [Axis]: ACI Group Holdings, Inc. First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   21,868
Fair Value [5],[9]   21,498
Investment, Identifier [Axis]: ACI Group Holdings, Inc. First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   3,871
Fair Value [5],[6]   3,810
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 233  
Fair Value [2],[3],[11] 228  
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11],[16] (21)  
Fair Value [2],[3],[11],[16] (62)  
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (20)
Fair Value [5],[6],[8]   (48)
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   0
Fair Value [5],[6],[8]   (70)
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 21,782  
Fair Value [2],[12],[13] 21,266  
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 4,170  
Fair Value [2],[3],[14] 4,082  
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 3,858  
Fair Value [2],[3],[14] 3,769  
Investment, Identifier [Axis]: ACI Parent Inc., Preferred shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 18,444 [2],[3],[16] 16,414 [5],[6],[17]
Fair Value 16,419 [2],[3],[16] 15,040 [5],[6],[17]
Investment, Identifier [Axis]: AI Altius US Bidco, Inc., First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 3,048  
Fair Value [2],[3],[14] 3,062  
Investment, Identifier [Axis]: AI Altius US Bidco, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 0  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Adelaide Borrower, LLC, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14],[18] 4,656  
Fair Value [2],[3],[14],[18] 4,698  
Investment, Identifier [Axis]: Adelaide Borrower, LLC, First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 0  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Adelaide Borrower, LLC, First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (7)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Alegeus Technologies Holdings Corp. First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   13,433
Fair Value [5],[10]   13,444
Investment, Identifier [Axis]: Alegeus Technologies Holdings Corp., First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 8,406  
Fair Value [2],[3],[14] 8,404  
Investment, Identifier [Axis]: Ambrosia Holdco Corp., Ordinary shares 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[13] 1,348  
Fair Value [2],[13] 1,348  
Investment, Identifier [Axis]: Ambrosia Holdco Corp., Ordinary shares 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3] 1,300  
Fair Value [2],[3] 1,300  
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc. First Lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   697
Fair Value [5],[6],[8]   700
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc. First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   19,089
Fair Value [5],[9]   19,159
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc. First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   5,308
Fair Value [5],[9]   5,331
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (10)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (10)
Fair Value [5],[6],[8]   0
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 18,908  
Fair Value [2],[12],[13] 18,964  
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 5,259  
Fair Value [2],[12],[13] 5,277  
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 690  
Fair Value [2],[3],[14] 693  
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9],[19]   29,842
Fair Value [5],[9],[19]   20,586
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[19]   1,527
Fair Value [5],[6],[19]   0
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) Subordinated    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[19]   0
Fair Value [5],[6],[19]   0
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 0  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [4],[5],[6],[8]   0
Fair Value [4],[5],[6],[8]   0
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[13],[20] 29,843  
Fair Value [2],[13],[20] 17,999  
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[20] 1,527  
Fair Value [2],[3],[20] 0  
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), Non-accrual status    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 31,370  
Fair Value 17,999  
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), Subordinated    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[20] 0  
Fair Value [2],[3],[20] 0  
Investment, Identifier [Axis]: Anaplan, Inc. First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   10,535
Fair Value [5],[9]   10,618
Investment, Identifier [Axis]: Anaplan, Inc., First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 10,548  
Fair Value [2],[3],[14] 10,618  
Investment, Identifier [Axis]: Ancora Acquisition LLC, Preferred shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 83 [2],[21] 83 [5],[22]
Fair Value 0 [2],[21] 0 [5],[22]
Investment, Identifier [Axis]: Appriss Health Intermediate Holdings, Inc., Preferred shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   2,992
Fair Value [5],[6]   2,863
Investment, Identifier [Axis]: Appriss Health, LLC, First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10],[23]   6,150
Fair Value [5],[10],[23]   6,188
Investment, Identifier [Axis]: Appriss Health, LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8],[23]   (4)
Fair Value [5],[6],[8],[23]   0
Investment, Identifier [Axis]: Associations, Inc. First Lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   1,246
Fair Value [5],[6],[8]   1,252
Investment, Identifier [Axis]: Associations, Inc. First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   33,604
Fair Value [5],[9]   33,701
Investment, Identifier [Axis]: Associations, Inc. First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   9,007
Fair Value [5],[9]   9,037
Investment, Identifier [Axis]: Associations, Inc. First Lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   9,006
Fair Value [5],[10]   9,036
Investment, Identifier [Axis]: Associations, Inc. First Lien 4    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   5,439
Fair Value [5],[10]   5,457
Investment, Identifier [Axis]: Associations, Inc. First Lien 5    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   4,327
Fair Value [5],[10]   4,341
Investment, Identifier [Axis]: Associations, Inc. First Lien 6    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   4,102
Fair Value [5],[9]   4,121
Investment, Identifier [Axis]: Associations, Inc., First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 49,409  
Fair Value [2],[3],[14] 49,430  
Investment, Identifier [Axis]: Associations, Inc., First lien - Drawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 641  
Fair Value [2],[3],[11] 641  
Investment, Identifier [Axis]: Associations, Inc., First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (2)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Associations, Inc., First lien - Drawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 1,538  
Fair Value [2],[3],[11] 1,539  
Investment, Identifier [Axis]: Associations, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (11)
Fair Value [5],[6],[8]   0
Investment, Identifier [Axis]: Associations, Inc., First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (1)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Associations, Inc., Subordinated 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3] 7,942  
Fair Value [2],[3] 7,959  
Investment, Identifier [Axis]: Associations, Inc., Subordinated 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3] 3,033  
Fair Value [2],[3] 3,039  
Investment, Identifier [Axis]: Aston FinCo S.a r.l. / Aston US Finco, LLC, Second lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 34,335 [2],[3],[14],[18] 34,301 [5],[10],[24]
Fair Value 34,459 [2],[3],[14],[18] 34,458 [5],[10],[24]
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   3,407
Fair Value [5],[9]   3,454
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [9]   1,332
Fair Value [9]   1,332
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11],[18] (5)  
Fair Value [2],[3],[11],[18] 0  
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8],[24]   (5)
Fair Value [5],[6],[8],[24]   0
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 3,405  
Fair Value [2],[3],[14] 3,445  
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 1,330  
Fair Value [2],[3],[14] 1,342  
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.) First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   21,684
Fair Value [5],[10]   21,473
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.) First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   14,664
Fair Value [5],[9]   14,522
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.), First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 21,492  
Fair Value [2],[3],[14] 21,138  
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.), First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 14,534  
Fair Value [2],[12],[13] 14,295  
Investment, Identifier [Axis]: Avalara, Inc First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   17,015
Fair Value [5],[10]   17,198
Investment, Identifier [Axis]: Avalara, Inc., First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 17,045  
Fair Value [2],[3],[14] 17,198  
Investment, Identifier [Axis]: Avalara, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (21) [2],[3],[11] (21) [5],[6],[8]
Fair Value 0 [2],[3],[11] 0 [5],[6],[8]
Investment, Identifier [Axis]: Bach Special Limited (Bach Preference Limited), Preferred shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 13,788 [3],[14],[18] 12,189 [5],[6],[24]
Fair Value 13,867 [3],[14],[18] 11,742 [5],[6],[24]
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 13,591  
Fair Value [2],[3],[14] 13,585  
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP, First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 0  
Fair Value [2],[3],[11] (15)  
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP, First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (22)  
Fair Value [2],[3],[11] (22)  
Investment, Identifier [Axis]: Bamboo Health Holdings, LLC (f/k/a Appriss Health, LLC), First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14],[25] 6,081  
Fair Value [2],[3],[14],[25] 6,109  
Investment, Identifier [Axis]: Bamboo Health Holdings, LLC (f/k/a Appriss Health, LLC), First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11],[25] (4)  
Fair Value [2],[3],[11],[25] 0  
Investment, Identifier [Axis]: Bamboo Health Intermediate Holdings (fka Appriss Health Intermediate Holdings, Inc.), Preferred shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[25] 3,432  
Fair Value [2],[3],[25] 3,371  
Investment, Identifier [Axis]: Beacon Pointe Harmony, LLC, First lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 464  
Fair Value [2],[3],[11] 467  
Investment, Identifier [Axis]: Beacon Pointe Harmony, LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 0  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Brave Parent Holdings, Inc. First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[26]   20,071
Fair Value [5],[26]   20,070
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Drawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[11],[27] 1,318  
Fair Value [2],[11],[27] 1,319  
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Drawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 520  
Fair Value [2],[3],[11] 516  
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 0 [2],[3],[11] 0 [5],[8],[26]
Fair Value 0 [2],[3],[11] 0 [5],[8],[26]
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (6)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Undrawn 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[11],[27] (7)  
Fair Value [2],[11],[27] 0  
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[27] 19,931  
Fair Value [2],[27] 20,019  
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 7,827  
Fair Value [2],[12],[13] 7,827  
Investment, Identifier [Axis]: Brave Parent Holdings, Inc.n, First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (6)
Fair Value [5],[6],[8]   (6)
Investment, Identifier [Axis]: Bullhorn, Inc. First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   16,432
Fair Value [5],[9]   16,487
Investment, Identifier [Axis]: Bullhorn, Inc. First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   3,401
Fair Value [5],[9]   3,407
Investment, Identifier [Axis]: Bullhorn, Inc. First Lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   760
Fair Value [5],[9]   763
Investment, Identifier [Axis]: Bullhorn, Inc. First Lien 4    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   341
Fair Value [5],[9]   342
Investment, Identifier [Axis]: Bullhorn, Inc. First Lien 5    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   272
Fair Value [5],[9]   273
Investment, Identifier [Axis]: Bullhorn, Inc., First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (4)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Bullhorn, Inc., First lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 417  
Fair Value [2],[3],[11] 417  
Investment, Identifier [Axis]: Bullhorn, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (6)
Fair Value [5],[6],[8]   0
Investment, Identifier [Axis]: Bullhorn, Inc., First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 0  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 13,170  
Fair Value [2],[12],[13] 13,206  
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 8,452  
Fair Value [2],[3],[14] 8,462  
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 3,394  
Fair Value [2],[12],[13] 3,398  
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 4    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 758  
Fair Value [2],[12],[13] 761  
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 5    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 340  
Fair Value [2],[12],[13] 341  
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 6    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 271  
Fair Value [2],[12],[13] 272  
Investment, Identifier [Axis]: CB Buyer, Inc., First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 3,293  
Fair Value [2],[12],[13] 3,292  
Investment, Identifier [Axis]: CB Buyer, Inc., First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (2)  
Fair Value [2],[3],[11] (2)  
Investment, Identifier [Axis]: CB Buyer, Inc., First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 0  
Fair Value [2],[3],[11] (5)  
Investment, Identifier [Axis]: CFS Management, LLC, First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   11,181
Fair Value [5],[9]   9,775
Investment, Identifier [Axis]: CFS Management, LLC, First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   3,330
Fair Value [5],[9]   2,912
Investment, Identifier [Axis]: CFS Management, LLC, First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 11,880  
Fair Value [2],[12],[13] 10,693  
Investment, Identifier [Axis]: CFS Management, LLC, First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 3,548  
Fair Value [2],[12],[13] 3,185  
Investment, Identifier [Axis]: CG Group Holdings, LLC, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 8,447  
Fair Value [2],[12],[13] 8,449  
Investment, Identifier [Axis]: CG Group Holdings, LLC, First lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11],[14] 945  
Fair Value [2],[3],[11],[14] 950  
Investment, Identifier [Axis]: CG Group Holdings, LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (3) [2],[3],[11] (3) [5],[6],[8]
Fair Value (1) [2],[3],[11] (10) [5],[6],[8]
Investment, Identifier [Axis]: CG Group Holdings, LLC,First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   8,342
Fair Value [5],[9]   8,039
Investment, Identifier [Axis]: CG Group Holdings, LLC,First Lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   925
Fair Value [5],[6],[8]   894
Investment, Identifier [Axis]: CHA Holdings, Inc. Second Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[7]   6,985
Fair Value [5],[7]   7,012
Investment, Identifier [Axis]: CHA Holdings, Inc. Second Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   4,436
Fair Value [5],[6]   4,454
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc. Second Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   18,237
Fair Value [5],[6]   18,184
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc. Second Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   7,488
Fair Value [5],[10]   7,467
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 6,484  
Fair Value [2],[12],[13] 6,483  
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., First lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11],[14] 486  
Fair Value [2],[3],[11],[14] 486  
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (3)  
Fair Value [2],[3],[11] (3)  
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 0  
Fair Value [2],[3],[11] (8)  
Investment, Identifier [Axis]: Calabrio, Inc. First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [26]   12,290
Fair Value [26]   12,224
Investment, Identifier [Axis]: Calabrio, Inc. First Lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [6],[8]   843
Fair Value [6],[8]   841
Investment, Identifier [Axis]: Calabrio, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (6)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Calabrio, Inc., First lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 633  
Fair Value [2],[3],[11] 637  
Investment, Identifier [Axis]: Calabrio, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [6],[8]   (5)
Fair Value [6],[8]   (6)
Investment, Identifier [Axis]: Calabrio, Inc., First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[27] 12,244  
Fair Value [2],[27] 12,286  
Investment, Identifier [Axis]: Calabrio, Inc., First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[27] 1,562  
Fair Value [2],[27] 1,574  
Investment, Identifier [Axis]: Cardinal Parent, Inc. First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [7]   11,798
Fair Value [7]   10,919
Investment, Identifier [Axis]: Cardinal Parent, Inc. Second Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[7]   9,698
Fair Value [5],[7]   8,975
Investment, Identifier [Axis]: Cardinal Parent, Inc., First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [15] 11,689  
Fair Value [15] 11,249  
Investment, Identifier [Axis]: Cardinal Parent, Inc., Second lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[15] 9,709  
Fair Value [2],[15] 9,423  
Investment, Identifier [Axis]: CentralSquare Technologies, LLC, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 35,399  
Fair Value [2],[12],[13] 35,797  
Investment, Identifier [Axis]: CentralSquare Technologies, LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (50)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: CentralSquare Technologies, LLC, Second Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   47,581
Fair Value [5],[6]   45,072
Investment, Identifier [Axis]: CentralSquare Technologies, LLC, Second Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   7,459
Fair Value [5],[10]   7,066
Investment, Identifier [Axis]: Ciklum Inc., First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13],[18] 9,430  
Fair Value [2],[12],[13],[18] 9,536  
Investment, Identifier [Axis]: Ciklum Inc., First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 0  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Ciklum Inc., First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (37)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: CommerceHub, Inc. First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   3,564
Fair Value [5],[6]   3,960
Investment, Identifier [Axis]: CommerceHub, Inc., First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 3,608  
Fair Value [2],[3],[14] 3,920  
Investment, Identifier [Axis]: Community Brands ParentCo, LLC, First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   7,037
Fair Value [5],[9]   6,899
Investment, Identifier [Axis]: Community Brands ParentCo, LLC, First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (4)
Fair Value [5],[6],[8]   (11)
Investment, Identifier [Axis]: Community Brands ParentCo, LLC, First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   0
Fair Value [5],[6],[8]   (23)
Investment, Identifier [Axis]: Compsych Investments Corp., First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 1,162  
Fair Value [2],[12],[13] 1,162  
Investment, Identifier [Axis]: Compsych Investments Corp., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 0  
Fair Value [2],[3],[11] (1)  
Investment, Identifier [Axis]: Convey Health Solutions, Inc. First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[7]   18,928
Fair Value [5],[7]   16,768
Investment, Identifier [Axis]: Convey Health Solutions, Inc. First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[7]   3,146
Fair Value [5],[7]   2,800
Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 13,101  
Fair Value [2],[3],[14] 11,935  
Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 2,180  
Fair Value [2],[3],[14] 1,993  
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 1,045  
Fair Value [2],[3],[14] 1,050  
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (3)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Coupa Holdings, LLC First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   7,147
Fair Value [5],[9]   7,303
Investment, Identifier [Axis]: Coupa Holdings, LLC First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   7,147
Fair Value [5],[10]   7,303
Investment, Identifier [Axis]: Coupa Holdings, LLC First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   0
Fair Value [5],[6],[8]   13
Investment, Identifier [Axis]: Coupa Holdings, LLC First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (12)
Fair Value [5],[6],[8]   0
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 14,243  
Fair Value [2],[3],[14] 14,388  
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 0  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (12)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Coyote Buyer, LLC First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [26]   13,625
Fair Value [26]   13,653
Investment, Identifier [Axis]: Coyote Buyer, LLC First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [26]   2,445
Fair Value [26]   2,457
Investment, Identifier [Axis]: Coyote Buyer, LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [6],[8]   (5)
Fair Value [6],[8]   0
Investment, Identifier [Axis]: Cube Industrials Buyer, Inc. First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   4,450
Fair Value [5],[6]   4,450
Investment, Identifier [Axis]: Cube Industrials Buyer, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (4)
Fair Value [5],[6],[8]   (4)
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   1,815
Fair Value [5],[9]   1,768
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First Lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   1,007
Fair Value [5],[6],[8]   992
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 1,798  
Fair Value [2],[12],[13] 1,758  
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 1,000  
Fair Value [2],[3],[14] 987  
Investment, Identifier [Axis]: DG Investment Intermediate Holdings 2, Inc. Second Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [6]   20,275
Fair Value [6]   18,333
Investment, Identifier [Axis]: DG Investment Intermediate Holdings 2, Inc., Second lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [3],[14] 20,280  
Fair Value [3],[14] 20,281  
Investment, Identifier [Axis]: DOCS, MSO, LLC, First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   18,572
Fair Value [5],[10]   18,238
Investment, Identifier [Axis]: DOCS, MSO, LLC, First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[7]   6,955
Fair Value [5],[7]   6,830
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 0 [2],[3],[11] 0 [5],[6],[8]
Fair Value (13) [2],[3],[11] (43) [5],[6],[8]
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 18,337  
Fair Value [2],[3],[14] 18,236  
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[15] 6,867  
Fair Value [2],[15] 6,829  
Investment, Identifier [Axis]: DOXA Insurance Holdings LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 0  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: DS Admiral Bidco, LLC, First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   7,377
Fair Value [5],[9]   7,564
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First Lien - Drawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   65
Fair Value [5],[6],[8]   66
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First Lien - Drawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   65
Fair Value [5],[6],[8]   66
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   12,914
Fair Value [5],[10]   13,011
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   1,088
Fair Value [5],[9]   1,096
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (10)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   0
Fair Value [5],[6],[8]   0
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (9)
Fair Value [5],[6],[8]   0
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 12,799  
Fair Value [2],[3],[14] 12,878  
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 1,078  
Fair Value [2],[12],[13] 1,085  
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3] 64  
Fair Value [2],[3] 65  
Investment, Identifier [Axis]: Dealer Tire Holdings, LLC, Preferred shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 75,927 [2],[3],[14] 70,383 [5],[6]
Fair Value 79,222 [2],[3],[14] 74,768 [5],[6]
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First Lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   2,597
Fair Value [5],[6],[8]   2,576
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   37,204
Fair Value [5],[9]   36,791
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   3,915
Fair Value [5],[6]   3,873
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11],[14] 2,997  
Fair Value [2],[3],[11],[14] 2,987  
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (4)
Fair Value [5],[6],[8]   (7)
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 36,871  
Fair Value [2],[12],[13] 36,604  
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 3,880  
Fair Value [2],[3],[14] 3,853  
Investment, Identifier [Axis]: Diligent Corporation , First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8],[28]   (8)
Fair Value [5],[6],[8],[28]   (33)
Investment, Identifier [Axis]: Diligent Corporation, First Lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   1,947
Fair Value [5],[6],[8]   1,919
Investment, Identifier [Axis]: Diligent Corporation, First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   17,369
Fair Value [5],[9]   16,998
Investment, Identifier [Axis]: Diligent Corporation, First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   5,755
Fair Value [5],[6]   5,654
Investment, Identifier [Axis]: Diligent Corporation, First Lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   5,667
Fair Value [5],[9]   5,546
Investment, Identifier [Axis]: Diligent Corporation, First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (8)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Diligent Corporation, First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (13)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Diligent Corporation, First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 19,753  
Fair Value [2],[12],[13] 19,821  
Investment, Identifier [Axis]: Diligent Corporation, First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 3,386  
Fair Value [2],[3],[14] 3,398  
Investment, Identifier [Axis]: Diligent Preferred Issuer, Inc., Preferred shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 14,162 [2],[3],[29] 12,771 [5],[6],[28]
Fair Value 13,609 [2],[3],[29] 12,162 [5],[6],[28]
Investment, Identifier [Axis]: EAB Global, Inc. Second Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   14,695
Fair Value [5],[9]   14,868
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.), First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 10,628 [2],[12],[13] 10,676 [5],[9]
Fair Value 10,628 [2],[12],[13] 10,676 [5],[9]
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.), First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 340 [2],[3] 342 [5],[6]
Fair Value 340 [2],[3] 342 [5],[6]
Investment, Identifier [Axis]: Eagle Infrastructure Super HoldCo, LLC, Ordinary shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 4,104 [2],[3] 4,102 [5],[6]
Fair Value 8,188 [2],[3] 6,855 [5],[6]
Investment, Identifier [Axis]: Eclipse Buyer Inc., First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[15],[30] 7,078  
Fair Value [2],[15],[30] 7,078  
Investment, Identifier [Axis]: Eclipse Buyer Inc., First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[11],[15] 0  
Fair Value [2],[11],[15] (6)  
Investment, Identifier [Axis]: Eclipse Buyer Inc., First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (21)  
Fair Value [2],[3],[11] (21)  
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.), Ordinary shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3] 145  
Fair Value [2],[3] 305  
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.), Preferred shares 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3] 2,900  
Fair Value [2],[3] 2,900  
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.), Preferred shares 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[20] 2,565  
Fair Value [2],[3],[20] 2,702  
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc., Junior preferred shares, Non-accrual status    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 2,565  
Fair Value 2,702  
Investment, Identifier [Axis]: Eclipse Topco, Inc., Preferred shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[15],[30] 1,952  
Fair Value [2],[15],[30] 1,952  
Investment, Identifier [Axis]: Edmentum Ultimate Holdings, LLC, Subordinated    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 22,223 [2],[3] 18,544 [5],[6]
Fair Value 22,290 [2],[3] 18,635 [5],[6]
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First Lien - Drawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   4,462
Fair Value [5],[6],[8]   4,466
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First Lien - Drawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   312
Fair Value [5],[6],[8]   310
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[26]   10,217
Fair Value [5],[26]   10,125
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[26]   3,427
Fair Value [5],[26]   3,398
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First Lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[26]   3,407
Fair Value [5],[26]   3,378
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11],[31] (14)  
Fair Value [2],[3],[11],[31] 0  
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   0
Fair Value [5],[6],[8]   (10)
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (11)
Fair Value [5],[6],[8]   (17)
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[27] 10,127  
Fair Value [2],[27] 10,185  
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 5,636  
Fair Value [2],[3],[14] 5,677  
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[27] 3,398  
Fair Value [2],[27] 3,419  
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 4    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[27] 3,378  
Fair Value [2],[27] 3,397  
Investment, Identifier [Axis]: FS WhiteWater Holdings, LLC, Ordinary shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 5,000 [2],[27],[31] 5,000 [5],[26],[32]
Fair Value 4,618 [2],[27],[31] 4,454 [5],[26],[32]
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First Lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   996
Fair Value [5],[6],[8]   1,006
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   33,444
Fair Value [5],[9]   33,698
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   344
Fair Value [5],[6]   347
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 0 [2],[3],[11] 0 [5],[6],[8]
Fair Value 0 [2],[3],[11] 0 [5],[6],[8]
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (21) [2],[3],[11] (11) [5],[6],[8]
Fair Value 0 [2],[3],[11] 0 [5],[6],[8]
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 33,163  
Fair Value [2],[12],[13] 33,356  
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 4,041  
Fair Value [2],[3],[14] 4,075  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First Lien - Drawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   142
Fair Value [5],[6],[8]   142
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First Lien - Drawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   137
Fair Value [5],[6],[8]   138
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   17,219
Fair Value [5],[9]   17,243
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   10,017
Fair Value [5],[10]   10,028
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First Lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   1,168
Fair Value [5],[6]   1,171
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First Lien 4    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   80
Fair Value [5],[6]   80
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Drawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 990  
Fair Value [2],[3],[11] 1,001  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Drawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 343  
Fair Value [2],[3],[11] 342  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 0 [2],[3],[11] (27) [5],[6],[8]
Fair Value 0 [2],[3],[11] (17) [5],[6],[8]
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (19) [2],[3],[11] 0 [5],[6],[8]
Fair Value 0 [2],[3],[11] (28) [5],[6],[8]
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 17,066  
Fair Value [2],[12],[13] 17,176  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 11,946  
Fair Value [2],[3],[14] 12,020  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3] 79  
Fair Value [2],[3] 80  
Investment, Identifier [Axis]: Foundational Education Group, Inc. Second Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[26]   22,412
Fair Value [5],[26]   22,100
Investment, Identifier [Axis]: Foundational Education Group, Inc. Second Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   6,989
Fair Value [5],[9]   6,884
Investment, Identifier [Axis]: Foundational Education Group, Inc., Second lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[27] 22,423  
Fair Value [2],[27] 22,500  
Investment, Identifier [Axis]: Foundational Education Group, Inc., Second lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 6,992  
Fair Value [2],[12],[13] 7,009  
Investment, Identifier [Axis]: GC Waves Holdings, Inc. First Lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[8],[9]   446
Fair Value [5],[8],[9]   451
Investment, Identifier [Axis]: GC Waves Holdings, Inc. First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   40,008
Fair Value [5],[9]   40,270
Investment, Identifier [Axis]: GC Waves Holdings, Inc. First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[26]   21,591
Fair Value [5],[26]   21,666
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (30) [2],[3],[11] (30) [5],[6],[8]
Fair Value 0 [2],[3],[11] 0 [5],[6],[8]
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 40,084  
Fair Value [2],[12],[13] 40,312  
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[27] 21,386  
Fair Value [2],[27] 21,448  
Investment, Identifier [Axis]: GEDC Equity, LLC, Ordinary shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   190
Fair Value [5],[6]   150
Investment, Identifier [Axis]: GEDC Equity, LLC, Participation Interest    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3] 190  
Fair Value [2],[3] 50  
Investment, Identifier [Axis]: GS Acquisitionco, Inc. First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   33,947
Fair Value [5],[9]   34,023
Investment, Identifier [Axis]: GS Acquisitionco, Inc. First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[26]   21,476
Fair Value [5],[26]   21,521
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 319  
Fair Value [2],[3],[11] 319  
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (23)
Fair Value [5],[6],[8]   0
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 0  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (26)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 34,663  
Fair Value [2],[12],[13] 34,719  
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[27] 21,263  
Fair Value [2],[27] 21,297  
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 2,902  
Fair Value [2],[3],[14] 2,909  
Investment, Identifier [Axis]: Galway Borrower LLC, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 1,779  
Fair Value [2],[3],[11] 1,788  
Investment, Identifier [Axis]: Galway Borrower LLC, First lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 1,083  
Fair Value [2],[12],[13] 1,080  
Investment, Identifier [Axis]: Granicus, Inc. First Lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   575
Fair Value [5],[6],[8]   579
Investment, Identifier [Axis]: Granicus, Inc. First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[7]   15,396
Fair Value [5],[7]   15,463
Investment, Identifier [Axis]: Granicus, Inc. First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   5,954
Fair Value [5],[10]   5,981
Investment, Identifier [Axis]: Granicus, Inc. First Lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   5,874
Fair Value [5],[9]   5,899
Investment, Identifier [Axis]: Granicus, Inc. First Lien 4    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   4,511
Fair Value [5],[9]   4,542
Investment, Identifier [Axis]: Granicus, Inc., First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (14)
Fair Value [5],[6],[8]   0
Investment, Identifier [Axis]: GraphPAD Software, LLC, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 17,858  
Fair Value [2],[12],[13] 17,856  
Investment, Identifier [Axis]: GraphPAD Software, LLC, First lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 445  
Fair Value [2],[3],[11] 446  
Investment, Identifier [Axis]: GraphPAD Software, LLC, First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (4)  
Fair Value [2],[3],[11] (4)  
Investment, Identifier [Axis]: GraphPAD Software, LLC, First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (10)  
Fair Value [2],[3],[11] (10)  
Investment, Identifier [Axis]: Greenway Health, LLC, First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [10]   6,254
Fair Value [10]   6,254
Investment, Identifier [Axis]: Greenway Health, LLC, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 6,221  
Fair Value [2],[3],[14] 6,302  
Investment, Identifier [Axis]: Groundworks, LLC, First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[7]   19,245
Fair Value [5],[7]   19,330
Investment, Identifier [Axis]: Groundworks, LLC, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [15] 18,734  
Fair Value [15] 19,034  
Investment, Identifier [Axis]: Groundworks, LLC, First lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [11],[15] 552  
Fair Value [11],[15] 560  
Investment, Identifier [Axis]: Groundworks, LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [11],[15] (15)  
Fair Value [11],[15] 20  
Investment, Identifier [Axis]: Groundworks, LLC, First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[7],[8]   0
Fair Value [5],[7],[8]   (9)
Investment, Identifier [Axis]: Groundworks, LLC, First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (16)
Fair Value [5],[6],[8]   (10)
Investment, Identifier [Axis]: HB Wealth Management, LLC, Preferred shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[33]   4,777
Fair Value [5],[33]   5,125
Investment, Identifier [Axis]: HBWM Holdings, LLC, Ordinary shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[34] 4,717  
Fair Value [2],[34] 9,532  
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc. Second Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[26]   22,429
Fair Value [5],[26]   21,059
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc. Second Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   4,184
Fair Value [5],[9]   3,938
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc., Second lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [27] 22,441  
Fair Value [27] 14,513  
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc., Second lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [12],[13] 4,188  
Fair Value [12],[13] 2,714  
Investment, Identifier [Axis]: Haven Midstream Holdings LLC, Ordinary shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[35]   0
Fair Value [5],[35]   3,323
Investment, Identifier [Axis]: Haven Midstream Holdings LLC, Profit Interest    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[36]   0
Fair Value [5],[36]   96
Investment, Identifier [Axis]: Haven Midstream LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   0
Fair Value [5],[6],[8]   0
Investment, Identifier [Axis]: Healthspan Buyer, LLC, First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   5,070
Fair Value [5],[10]   5,069
Investment, Identifier [Axis]: Healthspan Buyer, LLC, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 5,025  
Fair Value [2],[3],[14] 5,069  
Investment, Identifier [Axis]: Healthspan Buyer, LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (12) [2],[3],[11] (12) [5],[6],[8]
Fair Value 0 [2],[3],[11] (12) [5],[6],[8]
Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc., First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 3,808  
Fair Value [2],[3],[14] 3,808  
Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc., First lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 2,302  
Fair Value [2],[3],[11] 2,313  
Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 0  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Houghton Mifflin Harcourt Company, First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [10]   6,430
Fair Value [10]   6,704
Investment, Identifier [Axis]: Houghton Mifflin Harcourt Company, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [3],[14] 14,108  
Fair Value [3],[14] 14,291  
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   28,625
Fair Value [5],[9]   28,839
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   4,197
Fair Value [5],[9]   4,214
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (38) [2],[3],[11] (23) [5],[6],[8]
Fair Value 0 [2],[3],[11] 0 [5],[6],[8]
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 32,611  
Fair Value [2],[12],[13] 32,799  
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 2,540  
Fair Value [2],[3],[14] 2,542  
Investment, Identifier [Axis]: IMO Investor Holdings, Inc. First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   12,739
Fair Value [5],[9]   12,742
Investment, Identifier [Axis]: IMO Investor Holdings, Inc. First Lien - Drawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   1,128
Fair Value [5],[6],[8]   1,130
Investment, Identifier [Axis]: IMO Investor Holdings, Inc. First Lien - Drawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   61
Fair Value [5],[6],[8]   61
Investment, Identifier [Axis]: IMO Investor Holdings, Inc., First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (15)
Fair Value [5],[6],[8]   (12)
Investment, Identifier [Axis]: IMO Investor Holdings, Inc., First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   0
Fair Value [5],[6],[8]   (16)
Investment, Identifier [Axis]: Icefall Parent, Inc., First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 8,619  
Fair Value [2],[3],[14] 8,696  
Investment, Identifier [Axis]: Icefall Parent, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (8)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Idera, Inc. Secnd Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[7]   22,273
Fair Value [5],[7]   22,500
Investment, Identifier [Axis]: Idera, Inc. Secnd Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   2,989
Fair Value [5],[6]   3,000
Investment, Identifier [Axis]: Idera, Inc., Second lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[15] 14,961  
Fair Value [2],[15] 15,091  
Investment, Identifier [Axis]: Idera, Inc., Second lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 2,006  
Fair Value [2],[3],[14] 2,012  
Investment, Identifier [Axis]: Infogain Corporation, First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   18,605
Fair Value [5],[9]   18,707
Investment, Identifier [Axis]: Infogain Corporation, First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   7,781
Fair Value [5],[10]   7,844
Investment, Identifier [Axis]: Infogain Corporation, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (29) [2],[3],[11] (29) [5],[6],[8]
Fair Value 0 [2],[3],[11] 0 [5],[6],[8]
Investment, Identifier [Axis]: Infogain Corporation, First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 18,291  
Fair Value [2],[12],[13] 18,372  
Investment, Identifier [Axis]: Infogain Corporation, First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 7,713  
Fair Value [2],[3],[14] 7,764  
Investment, Identifier [Axis]: Infogain Corporation, Subordinated    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 16,795 [2],[3] 17,060 [5],[6]
Fair Value 16,953 [2],[3] 17,245 [5],[6]
Investment, Identifier [Axis]: Integro Parent Inc., First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   4,085
Fair Value [5],[9]   4,086
Investment, Identifier [Axis]: Integro Parent Inc., First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   805
Fair Value [5],[6]   807
Investment, Identifier [Axis]: Integro Parent Inc., Second lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 6,405 [2],[3],[14],[18] 12,888 [5],[6]
Fair Value 6,331 [2],[3],[14],[18] 13,231 [5],[6]
Investment, Identifier [Axis]: Ivy Hill Middle Market Credit Fund, Ltd, Structured Finance Obligations    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [3],[18] 3,232  
Fair Value [3],[18] 3,232  
Investment, Identifier [Axis]: KAMC Holdings, Inc, Second Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   18,673
Fair Value [5],[9]   17,079
Investment, Identifier [Axis]: KAMC Holdings, Inc, Second Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   18,673
Fair Value [5],[10]   17,079
Investment, Identifier [Axis]: KPSKY Acquisition Inc. First Lien - Drawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[8],[9]   1,150
Fair Value [5],[8],[9]   1,138
Investment, Identifier [Axis]: KPSKY Acquisition Inc. First Lien - Drawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   19
Fair Value [5],[6],[8]   19
Investment, Identifier [Axis]: KPSKY Acquisition Inc. First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   6,846
Fair Value [5],[10]   6,763
Investment, Identifier [Axis]: KPSKY Acquisition Inc. First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   784
Fair Value [5],[9]   774
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 19  
Fair Value [2],[3],[11] 18  
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 0 [2],[3],[11] 0 [5],[6],[8]
Fair Value (47) [2],[3],[11] (16) [5],[6],[8]
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 6,785  
Fair Value [2],[3],[14] 6,570  
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 1,140  
Fair Value [2],[3],[14] 1,106  
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 777  
Fair Value [2],[3],[14] 752  
Investment, Identifier [Axis]: Kaseya Inc. First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   63,237
Fair Value [5],[9]   63,633
Investment, Identifier [Axis]: Kaseya Inc. First Lien - Drawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   966
Fair Value [5],[6],[8]   973
Investment, Identifier [Axis]: Kaseya Inc. First Lien - Drawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   235
Fair Value [5],[6],[8]   237
Investment, Identifier [Axis]: Kaseya Inc., First lien - Drawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11],[14] 966  
Fair Value [2],[3],[11],[14] 973  
Investment, Identifier [Axis]: Kaseya Inc., First lien - Drawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 746  
Fair Value [2],[3],[11] 751  
Investment, Identifier [Axis]: Kaseya Inc., First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 0 [2],[3],[11] 0 [5],[6],[8]
Fair Value 0 [2],[3],[11] 0 [5],[6],[8]
Investment, Identifier [Axis]: Kaseya Inc., First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (22) [2],[3],[11] (22) [5],[6],[8]
Fair Value 0 [2],[3],[11] 0 [5],[6],[8]
Investment, Identifier [Axis]: Kaseya Inc., First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 63,786  
Fair Value [2],[12],[13] 64,124  
Investment, Identifier [Axis]: Kaseya Inc., First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 237  
Fair Value [2],[3],[14] 238  
Investment, Identifier [Axis]: Kele Holdco, Inc. First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[26]   14,767
Fair Value [5],[26]   14,796
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (9)
Fair Value [5],[6],[8]   0
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (9)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[27] 14,617  
Fair Value [2],[27] 14,635  
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[27] 2,254  
Fair Value [2],[27] 2,268  
Investment, Identifier [Axis]: Kene Acquisition, Inc., First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 3,477  
Fair Value [2],[12],[13] 3,509  
Investment, Identifier [Axis]: Kene Acquisition, Inc., First lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 161  
Fair Value [2],[3],[11] 162  
Investment, Identifier [Axis]: Kene Acquisition, Inc., First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 0  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Kene Acquisition, Inc., First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (5)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Knockout Intermediate Holdings I Inc., Preferred shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 20,819 [2],[3],[37] 16,837 [5],[6],[38]
Fair Value 21,010 [2],[3],[37] 17,019 [5],[6],[38]
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[27] 6,065  
Fair Value [2],[27] 6,062  
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC, First lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 71  
Fair Value [2],[3],[11] 71  
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC, First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[11],[27] 0  
Fair Value [2],[11],[27] (4)  
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC, First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (6)  
Fair Value [2],[3],[11] (6)  
Investment, Identifier [Axis]: Logrhythm, Inc., First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 4,138  
Fair Value [2],[3],[14] 4,196  
Investment, Identifier [Axis]: Logrhythm, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (6)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: MED Parentco, LP, Second Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   20,769
Fair Value [5],[10]   20,119
Investment, Identifier [Axis]: MRI Software LLC, First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[26]   21,610
Fair Value [5],[26]   21,598
Investment, Identifier [Axis]: MRI Software LLC, First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   7,655
Fair Value [5],[6]   7,650
Investment, Identifier [Axis]: MRI Software LLC, First Lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   4,561
Fair Value [5],[9]   4,557
Investment, Identifier [Axis]: MRI Software LLC, First Lien 4    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   3,133
Fair Value [5],[9]   3,132
Investment, Identifier [Axis]: MRI Software LLC, First Lien 5    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   799
Fair Value [5],[9]   800
Investment, Identifier [Axis]: MRI Software LLC, First lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 111  
Fair Value [2],[3],[11] 111  
Investment, Identifier [Axis]: MRI Software LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (9) [2],[3],[11] (10) [5],[6],[8]
Fair Value 0 [2],[3],[11] (5) [5],[6],[8]
Investment, Identifier [Axis]: MRI Software LLC, First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[27] 21,398  
Fair Value [2],[27] 21,430  
Investment, Identifier [Axis]: MRI Software LLC, First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 7,580  
Fair Value [2],[3],[14] 7,591  
Investment, Identifier [Axis]: MRI Software LLC, First lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 4,516  
Fair Value [2],[12],[13] 4,521  
Investment, Identifier [Axis]: MRI Software LLC, First lien 4    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 3,103  
Fair Value [2],[12],[13] 3,107  
Investment, Identifier [Axis]: MRI Software LLC, First lien 5    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 792  
Fair Value [2],[3],[14] 793  
Investment, Identifier [Axis]: Michael Baker International, LLC, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [3],[14] 4,869  
Fair Value [3],[14] 4,910  
Investment, Identifier [Axis]: Model N, Inc., First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 44,008  
Fair Value [2],[12],[13] 43,997  
Investment, Identifier [Axis]: Model N, Inc., First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (24)  
Fair Value [2],[3],[11] (24)  
Investment, Identifier [Axis]: Model N, Inc., First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 0  
Fair Value [2],[3],[11] (45)  
Investment, Identifier [Axis]: NC Topco, LLC, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 5,825  
Fair Value [2],[12],[13] 5,824  
Investment, Identifier [Axis]: NC Topco, LLC, First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (3)  
Fair Value [2],[3],[11] (3)  
Investment, Identifier [Axis]: NC Topco, LLC, First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 0  
Fair Value [2],[3],[11] (8)  
Investment, Identifier [Axis]: NHME Holdings Corp., Ordinary shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 4,000 [2],[3],[39] 4,000 [5],[6],[40]
Fair Value 0 [2],[3],[39] 0 [5],[6],[40]
Investment, Identifier [Axis]: NHME Holdings Corp., Warrants    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 1,000 [2],[3],[39] 1,000 [5],[6],[40]
Fair Value 0 [2],[3],[39] 0 [5],[6],[40]
Investment, Identifier [Axis]: NM APP Canada Corp., Membership interest    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[24],[41]   0
Fair Value [5],[24],[41]   7
Investment, Identifier [Axis]: NM CLFX LP, Membership interest    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[41]   12,278
Fair Value [5],[41]   11,731
Investment, Identifier [Axis]: NM GP Holdco, LLC, Membership interest    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 850 [2],[18],[42] 861 [5],[24],[41]
Fair Value 322 [2],[18],[42] 1,048 [5],[24],[41]
Investment, Identifier [Axis]: NM NL Holdings, L.P., Membership interest    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 74,248 [2],[18],[42] 76,371 [5],[24],[41]
Fair Value 104,512 [2],[18],[42] 96,071 [5],[24],[41]
Investment, Identifier [Axis]: NM YI, LLC, Membership interest    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 6,272 [2],[42] 6,272 [5],[41]
Fair Value 9,960 [2],[42] 9,550 [5],[41]
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc. First Lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   4,992
Fair Value [5],[6],[8]   4,979
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc. First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   19,067
Fair Value   19,133
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc. First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   4,864
Fair Value [5],[9]   4,881
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 19,106  
Fair Value 19,259  
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 4,996  
Fair Value [2],[3],[14] 5,012  
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 4,874  
Fair Value [2],[3],[14] 4,913  
Investment, Identifier [Axis]: NMFC Senior Loan Program III LLC, Membership interest    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 160,000 [2],[3],[18] 140,000 [5],[6],[24]
Fair Value 160,000 [2],[3],[18] 140,000 [5],[6],[24]
Investment, Identifier [Axis]: NMFC Senior Loan Program IV LLC, Membership interest    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 112,400 [2],[3],[18] 112,400 [5],[6],[24]
Fair Value 112,400 [2],[3],[18] 112,400 [5],[6],[24]
Investment, Identifier [Axis]: National HME, Inc., Second lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 7,871 [2],[3],[39] 7,872 [5],[6],[19],[40]
Fair Value 3,000 [2],[3],[39] 3,000 [5],[6],[19],[40]
Investment, Identifier [Axis]: Ncontracts, LLC, First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [9]   8,268
Fair Value [9]   8,267
Investment, Identifier [Axis]: Ncontracts, LLC, First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [6],[8]   0
Fair Value [6],[8]   0
Investment, Identifier [Axis]: Ncontracts, LLC, First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [6],[8]   (10)
Fair Value [6],[8]   (10)
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Drawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11],[14],[43] 1,089  
Fair Value [2],[3],[11],[14],[43] 1,097  
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Drawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 406  
Fair Value [2],[3],[11] 405  
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 0  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11],[14],[43] 0  
Fair Value [2],[3],[11],[14],[43] 0  
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Undrawn 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11],[14],[43] (6)  
Fair Value [2],[3],[11],[14],[43] 0  
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Undrawn 4    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (11)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Nelipak Holding Company, First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14],[43] 17,776  
Fair Value [2],[3],[14],[43] 17,108  
Investment, Identifier [Axis]: Nelipak Holding Company, First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 8,961  
Fair Value [2],[12],[13] 9,023  
Investment, Identifier [Axis]: New Benevis Holdco, Inc., First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 46,068 [2],[13] 41,731 [5],[9]
Fair Value 46,068 [2],[13] 41,731 [5],[9]
Investment, Identifier [Axis]: New Benevis Holdco, Inc., First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 33,155 [2],[3],[14] 19,798 [5],[6]
Fair Value 33,155 [2],[3],[14] 19,798 [5],[6]
Investment, Identifier [Axis]: New Benevis Holdco, Inc., First lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   10,239
Fair Value [5],[10]   10,239
Investment, Identifier [Axis]: New Benevis Holdco, Inc., Subordinated    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 22,942 [2],[3] 19,801 [5],[6]
Fair Value 19,051 [2],[3] 16,874 [5],[6]
Investment, Identifier [Axis]: New Benevis Topco, LLC, Ordinary shares 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 27,154 [2],[13] 27,154 [5],[9]
Fair Value 28,481 [2],[13] 31,838 [5],[9]
Investment, Identifier [Axis]: New Benevis Topco, LLC, Ordinary shares 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 12,768 [2],[3] 6,662 [5],[10]
Fair Value 13,347 [2],[3] 7,812 [5],[10]
Investment, Identifier [Axis]: New Benevis Topco, LLC, Ordinary shares 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   6,108
Fair Value [5],[6]   7,109
Investment, Identifier [Axis]: New Permian Holdco, Inc., Ordinary shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 11,155 [2],[3] 11,155 [5],[6]
Fair Value 18,900 [2],[3] 26,000 [5],[6]
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 23,336 [2],[3],[14] 23,336 [5],[6]
Fair Value 23,336 [2],[3],[14] 23,335 [5],[6]
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 20,840 [2],[3],[11],[14] 13,835 [5],[6],[8]
Fair Value 20,840 [2],[3],[11],[14] 13,835 [5],[6],[8]
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 0 [2],[3],[11] 0 [5],[6],[8]
Fair Value 0 [2],[3],[11] 0 [5],[6],[8]
Investment, Identifier [Axis]: New Trojan Parent, Inc. Second Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   26,663
Fair Value [5],[9]   1,421
Investment, Identifier [Axis]: Next Holdco, LLC, First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   3,494
Fair Value [5],[9]   3,494
Investment, Identifier [Axis]: Next Holdco, LLC, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 3,471  
Fair Value [2],[12],[13] 3,494  
Investment, Identifier [Axis]: Next Holdco, LLC, First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 0  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Next Holdco, LLC, First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (3)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Next Holdco, LLC, First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   0
Fair Value [5],[6],[8]   0
Investment, Identifier [Axis]: Next Holdco, LLC, First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (3)
Fair Value [5],[6],[8]   (3)
Investment, Identifier [Axis]: Notorious Topco, LLC First Lien - Drawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   858
Fair Value [5],[6],[8]   803
Investment, Identifier [Axis]: Notorious Topco, LLC First Lien - Drawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   59
Fair Value [5],[6],[8]   55
Investment, Identifier [Axis]: Notorious Topco, LLC First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   9,896
Fair Value [5],[10]   9,215
Investment, Identifier [Axis]: Notorious Topco, LLC First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   9,769
Fair Value [5],[10]   9,100
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (7) [2],[3],[11] (6) [5],[6],[8]
Fair Value (71) [2],[3],[11] (61) [5],[6],[8]
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 10,017  
Fair Value [2],[3],[14] 9,241  
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 9,889  
Fair Value [2],[3],[14] 9,126  
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 870  
Fair Value [2],[3],[14] 805  
Investment, Identifier [Axis]: OA Buyer, Inc. First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   27,493
Fair Value [5],[9]   27,707
Investment, Identifier [Axis]: OA Buyer, Inc. First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   1,740
Fair Value [5],[9]   1,754
Investment, Identifier [Axis]: OA Buyer, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (36) [2],[3],[11],[44] (36) [5],[6],[8],[45]
Fair Value 0 [2],[3],[11],[44] 0 [5],[6],[8],[45]
Investment, Identifier [Axis]: OA Buyer, Inc., First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 31,442  
Fair Value [2],[12],[13] 31,513  
Investment, Identifier [Axis]: OA Buyer, Inc., First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 27,248  
Fair Value [2],[12],[13] 27,425  
Investment, Identifier [Axis]: OA Buyer, Inc., First lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 1,724  
Fair Value [2],[12],[13] 1,736  
Investment, Identifier [Axis]: OA Topco, L.P., Ordinary shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 2,000 [2],[3],[44] 2,000 [5],[6],[45]
Fair Value 7,646 [2],[3],[44] 3,343 [5],[6],[45]
Investment, Identifier [Axis]: OEC Holdco, LLC, Preferred shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[46],[47]   8,431
Fair Value [5],[46],[47]   8,115
Investment, Identifier [Axis]: OEConnection LLC, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 46,214  
Fair Value [2],[12],[13] 46,430  
Investment, Identifier [Axis]: OEConnection LLC, First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 0  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: OEConnection LLC, First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (25)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: OEConnection LLC, Second Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   23,239
Fair Value [5],[9]   23,406
Investment, Identifier [Axis]: OEConnection LLC, Second Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   11,977
Fair Value [5],[9]   12,044
Investment, Identifier [Axis]: Oranje Holdco, Inc. First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   7,357
Fair Value [5],[10]   7,440
Investment, Identifier [Axis]: Oranje Holdco, Inc. First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   7,357
Fair Value [5],[9]   7,440
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (23) [2],[3],[11] (23) [5],[6],[8]
Fair Value 0 [2],[3],[11] 0 [5],[6],[8]
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 7,370  
Fair Value [2],[12],[13] 7,440  
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 7,369  
Fair Value [2],[3],[14] 7,440  
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 5,404  
Fair Value [2],[3],[14] 5,454  
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[15] 18,078  
Fair Value [2],[15] 18,161  
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[11],[15] 2,348  
Fair Value [2],[11],[15] 2,360  
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[11],[15] 0  
Fair Value [2],[11],[15] 0  
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (9)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[7]   7,449
Fair Value [5],[7]   7,514
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (5) [2],[3],[11] (5) [5],[6],[8]
Fair Value 0 [2],[3],[11] 0 [5],[6],[8]
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[15] 22,332  
Fair Value [2],[15] 22,388  
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 8,258  
Fair Value [2],[12],[13] 8,258  
Investment, Identifier [Axis]: PPVA Black Elk (Equity) LLC, Subordinated    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3] 14,500  
Fair Value [2],[3] 6,525  
Investment, Identifier [Axis]: PPVA Black Elk (Equity) LLC, Subordinated    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   14,500
Fair Value [5],[6]   7,975
Investment, Identifier [Axis]: PPVA Fund, L.P., Collateralized Financing    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 0 [20],[48] 0 [19],[49]
Fair Value 0 [20],[48] 0 [19],[49]
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 7,635  
Fair Value [2],[12],[13] 7,635  
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11],[14] 258  
Fair Value [2],[3],[11],[14] 258  
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (2)  
Fair Value [2],[3],[11] (2)  
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (3)  
Fair Value [2],[3],[11] (3)  
Investment, Identifier [Axis]: Permian Trust, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[20] 0  
Fair Value [2],[3],[20] 0  
Investment, Identifier [Axis]: Permian Trust, First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[19],[50]   0
Fair Value [5],[19],[50]   0
Investment, Identifier [Axis]: Permian Trust, First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[19]   0
Fair Value [5],[6],[19]   0
Investment, Identifier [Axis]: Permian Trust, Trust Claim    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[20],[51] 0  
Fair Value [2],[20],[51] 0  
Investment, Identifier [Axis]: PetVet Care Centers, LLC, First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [9]   28,148
Fair Value [9]   28,439
Investment, Identifier [Axis]: PetVet Care Centers, LLC, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 27,895  
Fair Value [2],[12],[13] 28,145  
Investment, Identifier [Axis]: PetVet Care Centers, LLC, First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 0 [2],[3],[11] 0 [6],[8]
Fair Value 0 [2],[3],[11] 1 [6],[8]
Investment, Identifier [Axis]: PetVet Care Centers, LLC, First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (37) [2],[3],[11] (37) [6],[8]
Fair Value 0 [2],[3],[11] 0 [6],[8]
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   16,700
Fair Value [5],[10]   16,802
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   2,287
Fair Value [5],[10]   2,303
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (26) [2],[3],[11],[52] (24) [5],[6],[8],[53]
Fair Value 0 [2],[3],[11],[52] 0 [5],[6],[8],[53]
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 22,997  
Fair Value [2],[3],[14] 23,089  
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 2,364  
Fair Value [2],[3],[14] 2,374  
Investment, Identifier [Axis]: Pioneer Topco I, L.P., Ordinary shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 2,000 [2],[52],[54] 2,000 [5],[53],[55]
Fair Value 2,000 [2],[52],[54] 1,796 [5],[53],[55]
Investment, Identifier [Axis]: Planview Parent, Inc., Second lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [12],[13] 9,208  
Fair Value [12],[13] 9,208  
Investment, Identifier [Axis]: Power Grid Holdings, Inc. First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[7]   18,013
Fair Value [5],[7]   18,011
Investment, Identifier [Axis]: Power Grid Holdings, Inc. First Lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   212
Fair Value [5],[6],[8]   212
Investment, Identifier [Axis]: Power Grid Holdings, Inc., First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[15] 22,228  
Fair Value [2],[15] 22,387  
Investment, Identifier [Axis]: Power Grid Holdings, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (43) [2],[3],[11] (41) [5],[6],[8]
Fair Value 0 [2],[3],[11] (41) [5],[6],[8]
Investment, Identifier [Axis]: Project Accelerate Parent, LLC, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[27] 10,470  
Fair Value [2],[27] 10,519  
Investment, Identifier [Axis]: Project Accelerate Parent, LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (8)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Project Essential Super Parent, Inc., Preferred shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 15,929 [2],[3] 13,754 [5],[6]
Fair Value 14,833 [2],[3] 12,382 [5],[6]
Investment, Identifier [Axis]: Project Power Buyer, LLC, First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   3,513
Fair Value [5],[9]   3,553
Investment, Identifier [Axis]: Project Power Buyer, LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (3)
Fair Value [5],[6],[8]   0
Investment, Identifier [Axis]: Pye-Barker Fire & Safety, LLC, First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   5,071
Fair Value [5],[9]   5,109
Investment, Identifier [Axis]: Pye-Barker Fire & Safety, LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (16)
Fair Value [5],[6],[8]   0
Investment, Identifier [Axis]: Quartz Holding Company, Second Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   9,900
Fair Value [5],[6]   10,000
Investment, Identifier [Axis]: RLG Holdings, LLC, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [12],[13] 3,970  
Fair Value [12],[13] 3,934  
Investment, Identifier [Axis]: Recorded Future, Inc. First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   24,147
Fair Value [5],[10]   24,220
Investment, Identifier [Axis]: Recorded Future, Inc. First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   12,484
Fair Value [5],[9]   12,524
Investment, Identifier [Axis]: Recorded Future, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (20)
Fair Value [5],[6],[8]   0
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC, Trust Claim 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[13] 152  
Fair Value [2],[13] 152  
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC, Trust Claim 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3] 52  
Fair Value [2],[3] 52  
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC, Warrants 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[13] 182  
Fair Value [2],[13] 327  
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC, Warrants 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3] 62  
Fair Value [2],[3] 112  
Investment, Identifier [Axis]: Riskonnect Parent, LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 0  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   6,881
Fair Value [5],[9]   6,904
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First Lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   382
Fair Value [5],[6],[8]   384
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (2)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 127  
Fair Value [2],[3],[11] 128  
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (1)
Fair Value [5],[6],[8]   0
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 7,425  
Fair Value [2],[12],[13] 7,446  
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 1,523  
Fair Value [2],[3],[14] 1,523  
Investment, Identifier [Axis]: Sierra Enterprises, LLC    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 38,840  
Fair Value [2],[3],[14] 42,450  
Investment, Identifier [Axis]: Sierra Enterprises, LLC, First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [6]   20,370
Fair Value [6]   22,055
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation, Ordinary shares 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 11,501 [2],[13] 11,500 [5],[9]
Fair Value 1,799 [2],[13] 1,799 [5],[9]
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation, Ordinary shares 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 1,282 [2],[3] 1,282 [5],[6]
Fair Value 201 [2],[3] 201 [5],[6]
Investment, Identifier [Axis]: Specialtycare, Inc. First Lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   77
Fair Value [5],[6],[8]   76
Investment, Identifier [Axis]: Specialtycare, Inc. First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   10,253
Fair Value [5],[9]   9,938
Investment, Identifier [Axis]: Specialtycare, Inc. First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   76
Fair Value [5],[6]   76
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11],[14] 319  
Fair Value [2],[3],[11],[14] 315  
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (4) [2],[3],[11] (7) [5],[6],[8]
Fair Value (7) [2],[3],[11] (17) [5],[6],[8]
Investment, Identifier [Axis]: Specialtycare, Inc., First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 10,167  
Fair Value [2],[12],[13] 9,953  
Investment, Identifier [Axis]: Specialtycare, Inc., First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 76  
Fair Value [2],[3],[14] 75  
Investment, Identifier [Axis]: Sun Acquirer Corp. First Lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   113
Fair Value [5],[6],[8]   110
Investment, Identifier [Axis]: Sun Acquirer Corp. First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   3,919
Fair Value [5],[9]   3,878
Investment, Identifier [Axis]: Sun Acquirer Corp. First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   2,757
Fair Value [5],[9]   2,740
Investment, Identifier [Axis]: Sun Acquirer Corp., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (6)
Fair Value [5],[6],[8]   (8)
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc., Preferred shares 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 16,363 [2],[15] 13,999 [5],[7]
Fair Value 16,450 [2],[15] 13,807 [5],[7]
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc., Preferred shares 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 5,641 [2],[3],[14] 4,826 [5],[6]
Fair Value 5,671 [2],[3],[14] 4,759 [5],[6]
Investment, Identifier [Axis]: Syndigo LLC, Second Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[7]   22,379
Fair Value [5],[7]   22,500
Investment, Identifier [Axis]: Syndigo LLC, Second Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   5,708
Fair Value [5],[9]   5,697
Investment, Identifier [Axis]: Syndigo LLC, Second lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[15] 22,397  
Fair Value [2],[15] 22,500  
Investment, Identifier [Axis]: Syndigo LLC, Second lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 5,706  
Fair Value [2],[12],[13] 5,697  
Investment, Identifier [Axis]: TMK Hawk Parent, Corp, First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   15,852
Fair Value [5],[9]   9,736
Investment, Identifier [Axis]: TMK Hawk Parent, Corp, First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   15,190
Fair Value [5],[10]   9,392
Investment, Identifier [Axis]: TMK Hawk Parent, Corp, First Lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [9]   1,033
Fair Value [9]   1,033
Investment, Identifier [Axis]: TMK Hawk Parent, Corp, First Lien 4    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [10]   996
Fair Value [10]   996
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 0  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[13] 11,782  
Fair Value [2],[13] 10,402  
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 9,818  
Fair Value [2],[3],[14] 8,374  
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 2,317  
Fair Value [2],[3],[14] 2,351  
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., Subordinated 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[13] 302  
Fair Value [2],[13] 302  
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., Subordinated 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3] 291  
Fair Value [2],[3] 291  
Investment, Identifier [Axis]: TRC Companies L.L.C. (fka Energize Holdco LLC) Second Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   7,918
Fair Value [5],[9]   7,711
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC, Ordinary shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 66,651 [2],[3] 61,449 [5],[6]
Fair Value 59,978 [2],[3] 95,151 [5],[6]
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC, Preferred shares    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3] 7,525  
Fair Value [2],[3] 9,352  
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14],[18] 19,326  
Fair Value [2],[3],[14],[18] 19,321  
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[56]   17,864
Fair Value [5],[6],[56]   16,600
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[56]   13,407
Fair Value [5],[6],[56]   13,664
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   10,200
Fair Value [5],[6]   10,312
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 4    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   6,300
Fair Value [5],[6]   6,373
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 5    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[56]   726
Fair Value [5],[6],[56]   791
Investment, Identifier [Axis]: TigerConnect, Inc. First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   29,644
Fair Value [5],[10]   29,614
Investment, Identifier [Axis]: TigerConnect, Inc. First Lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[8],[9]   1,354
Fair Value [5],[8],[9]   1,343
Investment, Identifier [Axis]: TigerConnect, Inc., First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 29,689  
Fair Value [2],[12],[13] 29,868  
Investment, Identifier [Axis]: TigerConnect, Inc., First lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[11],[13] 2,440  
Fair Value [2],[11],[13] 2,440  
Investment, Identifier [Axis]: TigerConnect, Inc., First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 0 [2],[11],[13] 0 [5],[8],[9]
Fair Value 0 [2],[11],[13] (8) [5],[8],[9]
Investment, Identifier [Axis]: TigerConnect, Inc., First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (43) [2],[3],[11] (43) [5],[6],[8]
Fair Value 0 [2],[3],[11] (36) [5],[6],[8]
Investment, Identifier [Axis]: Transcendia Holdings, Inc. Second Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   14,445
Fair Value [5],[10]   7,250
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First Lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[8],[9]   4,038
Fair Value [5],[8],[9]   4,070
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   15,283
Fair Value [5],[9]   15,382
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 0 [2],[11],[12],[13] 0 [5],[8],[9]
Fair Value 0 [2],[11],[12],[13] 0 [5],[8],[9]
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (15) [2],[3],[11] (15) [5],[6],[8]
Fair Value 0 [2],[3],[11] 0 [5],[6],[8]
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 15,303  
Fair Value [2],[12],[13] 15,382  
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 4,438  
Fair Value [2],[12],[13] 4,467  
Investment, Identifier [Axis]: USRP Holdings, Inc. First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   11,152
Fair Value [5],[9]   11,226
Investment, Identifier [Axis]: USRP Holdings, Inc. First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   1,451
Fair Value [5],[6]   1,462
Investment, Identifier [Axis]: USRP Holdings, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (9) [2],[3],[11] (9) [5],[6],[8]
Fair Value 0 [2],[3],[11] 0 [5],[6],[8]
Investment, Identifier [Axis]: USRP Holdings, Inc., First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 6,946  
Fair Value [2],[3],[14] 6,984  
Investment, Identifier [Axis]: USRP Holdings, Inc., First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 5,512  
Fair Value [2],[12],[13] 5,541  
Investment, Identifier [Axis]: UniTek Global Services, Inc., Junior preferred shares, Non-accrual status    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 34,393  
Fair Value 0  
Investment, Identifier [Axis]: UniTek Global Services, Inc., Ordinary shares 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 1,925 [2],[13] 1,925 [5],[9]
Fair Value 0 [2],[13] 0 [5],[9]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Ordinary shares 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 532 [2],[3] 532 [5],[6]
Fair Value 0 [2],[3] 0 [5],[6]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 22,803 [2],[3] 18,760 [5],[6]
Fair Value 20,646 [2],[3] 16,348 [5],[6]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 13,553 [2],[3] 11,150 [5],[6]
Fair Value 12,682 [2],[3] 10,119 [5],[6]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 19,795 [2],[3],[20] 19,795 [5],[6],[19]
Fair Value 3,080 [2],[3],[20] 4,210 [5],[6],[19]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 4    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 26,946 [2],[13],[20] 26,946 [5],[9],[19]
Fair Value 0 [2],[13],[20] 0 [5],[9],[19]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 5    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 7,447 [2],[3],[20] 7,447 [5],[6],[19]
Fair Value 0 [2],[3],[20] 0 [5],[6],[19]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Second lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 15,608 [2],[3] 13,438 [5],[6]
Fair Value 15,459 [2],[3] 12,893 [5],[6]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Second lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 6,919 [2],[3] 5,957 [5],[6]
Fair Value 6,853 [2],[3] 5,713 [5],[6]
Investment, Identifier [Axis]: UniTek Global Services, Inc., Senior preferred shares, Non-accrual status    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 19,795  
Fair Value 3,080  
Investment, Identifier [Axis]: UniTek Global Services, Inc., Warrants    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 0 [2],[3] 0 [5],[6]
Fair Value 48,804 [2],[3] 42,716 [5],[6]
Investment, Identifier [Axis]: Viper Bidco. Inc., First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14],[43] 15,181  
Fair Value [2],[3],[14],[43] 14,981  
Investment, Identifier [Axis]: Viper Bidco. Inc., First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 0  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Viper Bidco. Inc., First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (17)  
Fair Value [2],[3],[11] (17)  
Investment, Identifier [Axis]: Virtusa Corporation, Subordinated    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [6]   7,565
Fair Value [6]   8,077
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First Lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[8],[9]   13,307
Fair Value [5],[8],[9]   13,336
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   18,715
Fair Value [5],[9]   18,758
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   1,232
Fair Value [5],[9]   1,241
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First Lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   826
Fair Value [5],[9]   832
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (6)  
Fair Value [2],[3],[11] 0  
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[8],[9]   0
Fair Value [5],[8],[9]   0
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (6)
Fair Value [5],[6],[8]   0
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 15,565  
Fair Value [2],[12],[13] 15,593  
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 11,887  
Fair Value [2],[3],[14] 11,908  
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 6,644  
Fair Value [2],[12],[13] 6,659  
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 4    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 1,221  
Fair Value [2],[3],[14] 1,228  
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 5    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[14] 819  
Fair Value [2],[3],[14] 824  
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, Subordinated    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3] 4,185  
Fair Value [2],[3] 4,231  
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, Subrdinated    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6]   3,464
Fair Value [5],[6]   3,459
Investment, Identifier [Axis]: Xactly Corporation, First Lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[7]   22,472
Fair Value [5],[7]   22,500
Investment, Identifier [Axis]: Xactly Corporation, First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[15] 22,483  
Fair Value [2],[15] 22,250  
Investment, Identifier [Axis]: Xactly Corporation, First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (10) [2],[3],[11] (10) [5],[6],[8]
Fair Value (11) [2],[3],[11] 0 [5],[6],[8]
Investment, Identifier [Axis]: YLG Holdings, Inc. First Lien - Drawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[8],[26]   1,196
Fair Value [5],[8],[26]   1,204
Investment, Identifier [Axis]: YLG Holdings, Inc. First Lien - Drawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[8],[26]   80
Fair Value [5],[8],[26]   80
Investment, Identifier [Axis]: YLG Holdings, Inc. First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[26]   17,646
Fair Value [5],[26]   17,676
Investment, Identifier [Axis]: YLG Holdings, Inc. First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[26]   2,298
Fair Value [5],[26]   2,301
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[27] 21,798  
Fair Value [2],[27] 21,825  
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[8],[26]   0
Fair Value [5],[8],[26]   0
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (20)
Fair Value [5],[6],[8]   0
Investment, Identifier [Axis]: iCIMS, Inc. First Lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   467
Fair Value [5],[6],[8]   471
Investment, Identifier [Axis]: iCIMS, Inc. First Lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[10]   30,569
Fair Value [5],[10]   31,008
Investment, Identifier [Axis]: iCIMS, Inc. First Lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   7,311
Fair Value [5],[9]   7,440
Investment, Identifier [Axis]: iCIMS, Inc. First Lien 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[9]   4,726
Fair Value [5],[9]   4,807
Investment, Identifier [Axis]: iCIMS, Inc., First lien - Drawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] 705  
Fair Value [2],[3],[11] 701  
Investment, Identifier [Axis]: iCIMS, Inc., First lien - Undrawn    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[3],[11] (25)  
Fair Value [2],[3],[11] (21)  
Investment, Identifier [Axis]: iCIMS, Inc., First lien - Undrawn 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[8],[10]   0
Fair Value [5],[8],[10]   0
Investment, Identifier [Axis]: iCIMS, Inc., First lien - Undrawn 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[8],[9]   0
Fair Value [5],[8],[9]   0
Investment, Identifier [Axis]: iCIMS, Inc., First lien - Undrawn 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [5],[6],[8]   (21)
Fair Value [5],[6],[8]   0
Investment, Identifier [Axis]: iCIMS, Inc., First lien 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 44,537  
Fair Value [2],[12],[13] 44,406  
Investment, Identifier [Axis]: iCIMS, Inc., First lien 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost [2],[12],[13] 7,321  
Fair Value [2],[12],[13] 7,311  
SLP III    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 716,654 646,315
Fair Value 715,096 636,560
SLP III | Funded Investments    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 716,661 646,319
Fair Value 715,076 636,554
SLP III | Unfunded Investments    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (7) (4)
Fair Value 20 6
SLP III | Investment, Identifier [Axis]: ADMI Corp. (aka Aspen Dental), First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 2,345 2,368
Fair Value 2,318 2,261
SLP III | Investment, Identifier [Axis]: AG Parent Holdings, LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 7,208 7,279
Fair Value 6,821 7,174
SLP III | Investment, Identifier [Axis]: AmSpec Parent, LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 5,725  
Fair Value 5,797  
SLP III | Investment, Identifier [Axis]: AmSpec Parent, LLC, First lien - Unfunded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (2)  
Fair Value 7  
SLP III | Investment, Identifier [Axis]: Ardonagh Midco 3 Limited, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 9,354  
Fair Value 9,459  
SLP III | Investment, Identifier [Axis]: Aretec Group, Inc. (fka RCS Capital Corporation), First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   6,480
Fair Value   6,634
SLP III | Investment, Identifier [Axis]: Artera Services, LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   5,259
Fair Value   4,968
SLP III | Investment, Identifier [Axis]: Ascensus Group Holdings, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 2,778 2,806
Fair Value 2,815 2,817
SLP III | Investment, Identifier [Axis]: AssuredPartners, Inc, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 1,953 1,921
Fair Value 1,962 1,986
SLP III | Investment, Identifier [Axis]: Aston FinCo S.a r.l., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 5,698 5,749
Fair Value 5,486 4,929
SLP III | Investment, Identifier [Axis]: Asurion, LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 13,041  
Fair Value 13,167  
SLP III | Investment, Identifier [Axis]: BCPE Empire Holdings, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 8,863 7,390
Fair Value 8,981 7,490
SLP III | Investment, Identifier [Axis]: BIFM CA Buyer Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 3,541  
Fair Value 3,616  
SLP III | Investment, Identifier [Axis]: BW Holding, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 2,592  
Fair Value 2,453  
SLP III | Investment, Identifier [Axis]: Bach Finance Limited, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 2,118  
Fair Value 2,143  
SLP III | Investment, Identifier [Axis]: Bayou Intermediate II, LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 6,629  
Fair Value 6,667  
SLP III | Investment, Identifier [Axis]: Bella Holding Company, LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 7,780 955
Fair Value 7,859 956
SLP III | Investment, Identifier [Axis]: Boxer Parent Company Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 15,284 11,764
Fair Value 15,470 11,992
SLP III | Investment, Identifier [Axis]: Bracket Intermediate Holding Corp., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 13,805 13,870
Fair Value 14,256 14,280
SLP III | Investment, Identifier [Axis]: Brown Group Holding, LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 2,648 3,905
Fair Value 2,708 4,006
SLP III | Investment, Identifier [Axis]: CE Intermediate I, LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 10,654 10,754
Fair Value 10,761 10,729
SLP III | Investment, Identifier [Axis]: CHA Holdings, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   947
Fair Value   947
SLP III | Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   14,194
Fair Value   14,261
SLP III | Investment, Identifier [Axis]: CVET Midco 2, L.P., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 9,444 9,483
Fair Value 9,455 9,909
SLP III | Investment, Identifier [Axis]: Cardinal Parent, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 9,586 9,646
Fair Value 9,321 9,048
SLP III | Investment, Identifier [Axis]: CentralSquare Technologies, LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   14,240
Fair Value   13,817
SLP III | Investment, Identifier [Axis]: Chrysaor Bidco S.a r.l., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 2,131  
Fair Value 2,151  
SLP III | Investment, Identifier [Axis]: Chrysaor Bidco S.a r.l.,. First lien - Unfunded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 0  
Fair Value 1  
SLP III | Investment, Identifier [Axis]: Cloudera, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 12,333 5,553
Fair Value 12,514 5,654
SLP III | Investment, Identifier [Axis]: CommerceHub, Inc. 1, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 3,596  
Fair Value 3,920  
SLP III | Investment, Identifier [Axis]: CommerceHub, Inc. 2, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 6,823  
Fair Value 6,540  
SLP III | Investment, Identifier [Axis]: CommerceHub, Inc., First lien - Funded 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   5,641
Fair Value   5,378
SLP III | Investment, Identifier [Axis]: CommerceHub, Inc., First lien - Funded 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   3,548
Fair Value   3,960
SLP III | Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 4,638 10,919
Fair Value 4,554 10,771
SLP III | Investment, Identifier [Axis]: Confluent Medical Technologies, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 6,786 6,851
Fair Value 6,842 6,878
SLP III | Investment, Identifier [Axis]: ConnectWise, LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 7,940  
Fair Value 8,022  
SLP III | Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 8,737 12,559
Fair Value 8,055 11,483
SLP III | Investment, Identifier [Axis]: Cornerstone OnDemand, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 2,552 3,514
Fair Value 2,257 3,432
SLP III | Investment, Identifier [Axis]: Covenant Surgical Partners, Inc, First lien - Funded. 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   9,545
Fair Value   7,539
SLP III | Investment, Identifier [Axis]: Covenant Surgical Partners, Inc., First lien - Funded 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   1,989
Fair Value   1,573
SLP III | Investment, Identifier [Axis]: DG Investment Intermediate Holdings 2, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 10,258 7,293
Fair Value 10,406 7,263
SLP III | Investment, Identifier [Axis]: DG Investment Intermediate Holdings 2, Inc., First lien - Unfunded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (1)  
Fair Value 3  
SLP III | Investment, Identifier [Axis]: Dealer Tire Financial, LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 11,496 9,617
Fair Value 11,580 9,680
SLP III | Investment, Identifier [Axis]: Discovery Purchaser Corporation, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 9,012 6,538
Fair Value 9,517 6,943
SLP III | Investment, Identifier [Axis]: Dispatch Acquisition Holdings, LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 15,019 15,105
Fair Value 14,611 14,550
SLP III | Investment, Identifier [Axis]: EAB Global, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 2,798 3,929
Fair Value 2,831 3,958
SLP III | Investment, Identifier [Axis]: Eagle Parent Corp., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 7,291 7,346
Fair Value 7,261 7,403
SLP III | Investment, Identifier [Axis]: Eisner Advisory Group LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 8,571 2,113
Fair Value 8,745 2,195
SLP III | Investment, Identifier [Axis]: EyeCare Partners, LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   12,202
Fair Value   6,114
SLP III | Investment, Identifier [Axis]: FNZ Group Entities Limited, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 10,050  
Fair Value 10,037  
SLP III | Investment, Identifier [Axis]: Flash Charm, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 16,496  
Fair Value 16,226  
SLP III | Investment, Identifier [Axis]: Foundational Education Group, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 14,104 9,508
Fair Value 13,925 9,601
SLP III | Investment, Identifier [Axis]: Groundworks, LLC , First lien - Unfunded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   (1)
Fair Value   (1)
SLP III | Investment, Identifier [Axis]: Groundworks, LLC 1, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 257  
Fair Value 260  
SLP III | Investment, Identifier [Axis]: Groundworks, LLC 2, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 8,738  
Fair Value 8,846  
SLP III | Investment, Identifier [Axis]: Groundworks, LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   1,395
Fair Value   1,419
SLP III | Investment, Identifier [Axis]: Groundworks, LLC, First lien - Unfunded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost (4)  
Fair Value 9  
SLP III | Investment, Identifier [Axis]: Heartland Dental, LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 13,631 13,668
Fair Value 14,080 14,160
SLP III | Investment, Identifier [Axis]: Help/Systems Holdings, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 17,638 17,795
Fair Value 15,640 17,048
SLP III | Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 8,856 8,938
Fair Value 8,897 8,987
SLP III | Investment, Identifier [Axis]: HighTower Holding, LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 4,656 4,697
Fair Value 4,707 4,720
SLP III | Investment, Identifier [Axis]: Houghton Mifflin Harcourt Company, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 7,856 7,898
Fair Value 7,961 8,009
SLP III | Investment, Identifier [Axis]: Hub International Limited, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   6,363
Fair Value   6,463
SLP III | Investment, Identifier [Axis]: Hunter Holdco 3 Limited, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   2,978
Fair Value   2,998
SLP III | Investment, Identifier [Axis]: Idera, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   15,633
Fair Value   15,584
SLP III | Investment, Identifier [Axis]: Inizio Group Limited, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 4,470  
Fair Value 4,449  
SLP III | Investment, Identifier [Axis]: Kestra Advisor Services Holdings A, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 10,001 11,778
Fair Value 10,046 11,841
SLP III | Investment, Identifier [Axis]: LI Group Holdings, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 3,697 3,743
Fair Value 3,716 3,763
SLP III | Investment, Identifier [Axis]: LSCS Holdings, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 11,883 7,462
Fair Value 12,070 7,407
SLP III | Investment, Identifier [Axis]: MED ParentCo, LP, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 9,883 12,407
Fair Value 9,987 12,361
SLP III | Investment, Identifier [Axis]: MH Sub I, LLC (Micro Holding Corp.) 1, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 6,973  
Fair Value 7,111  
SLP III | Investment, Identifier [Axis]: MH Sub I, LLC (Micro Holding Corp.) 2, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 6,930  
Fair Value 6,950  
SLP III | Investment, Identifier [Axis]: MH Sub I, LLC (Micro Holding Corp.), First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   3,479
Fair Value   3,505
SLP III | Investment, Identifier [Axis]: Marcel Bidco LLC (Marcel Bidco GmbH), First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 2,785 2,795
Fair Value 2,855 2,856
SLP III | Investment, Identifier [Axis]: Maverick Bidco Inc. 1, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 1,901  
Fair Value 1,968  
SLP III | Investment, Identifier [Axis]: Maverick Bidco Inc. 2, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 8,828  
Fair Value 8,869  
SLP III | Investment, Identifier [Axis]: Maverick Bidco Inc. 3, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 2,374  
Fair Value 2,466  
SLP III | Investment, Identifier [Axis]: Maverick Bidco Inc., First lien - Funded 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   3,907
Fair Value   3,875
SLP III | Investment, Identifier [Axis]: Maverick Bidco Inc., First lien - Funded 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   2,377
Fair Value   2,463
SLP III | Investment, Identifier [Axis]: Maverick Bidco Inc., First lien - Funded 3    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   1,904
Fair Value   1,962
SLP III | Investment, Identifier [Axis]: Mavis Tire Express Services Topco Corp., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   4,118
Fair Value   4,144
SLP III | Investment, Identifier [Axis]: Mavis Tire Express Services Topco, Corp., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 4,079  
Fair Value 4,123  
SLP III | Investment, Identifier [Axis]: Netsmart, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   3,900
Fair Value   3,913
SLP III | Investment, Identifier [Axis]: Nielsen Consumer Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 13,504 13,402
Fair Value 14,720 14,639
SLP III | Investment, Identifier [Axis]: OMNIA Partners, LLC , First lien - Unfunded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   (3)
Fair Value   4
SLP III | Investment, Identifier [Axis]: OMNIA Partners, LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 8,379 5,862
Fair Value 8,483 5,960
SLP III | Investment, Identifier [Axis]: Optiv Parent Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   6,396
Fair Value   6,308
SLP III | Investment, Identifier [Axis]: Osaic Holdings, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 11,452 9,559
Fair Value 11,627 9,693
SLP III | Investment, Identifier [Axis]: Osmosis Buyer Limited , First lien - Unfunded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   0
Fair Value   3
SLP III | Investment, Identifier [Axis]: Osmosis Buyer Limited, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 10,912  
Fair Value 11,066  
SLP III | Investment, Identifier [Axis]: Osmosis Buyer Limited, First lien - Funded 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   2,457
Fair Value   2,499
SLP III | Investment, Identifier [Axis]: Osmosis Buyer Limited, First lien - Funded 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   2,333
Fair Value   2,418
SLP III | Investment, Identifier [Axis]: Pearls (Netherlands) Bidco B.V., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 1,692 1,707
Fair Value 1,712 1,698
SLP III | Investment, Identifier [Axis]: Peraton Corp., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 4,093 4,133
Fair Value 3,830 4,161
SLP III | Investment, Identifier [Axis]: Perforce Software, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 6,570  
Fair Value 6,509  
SLP III | Investment, Identifier [Axis]: Physician Partners, LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 4,160 4,197
Fair Value 1,766 4,010
SLP III | Investment, Identifier [Axis]: Plano Holdco, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 4,602  
Fair Value 4,694  
SLP III | Investment, Identifier [Axis]: Planview Parent, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 13,454 10,528
Fair Value 13,747 10,669
SLP III | Investment, Identifier [Axis]: Premise Health Holding Corp., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   7,319
Fair Value   7,200
SLP III | Investment, Identifier [Axis]: Project Alpha Intermediate Holding, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 13,403 13,474
Fair Value 13,748 13,859
SLP III | Investment, Identifier [Axis]: Project Ruby Ultimate Parent Corp., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 4,263  
Fair Value 4,299  
SLP III | Investment, Identifier [Axis]: Project Ruby Ultimate Parent Corp., First lien - Funded 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   4,817
Fair Value   5,018
SLP III | Investment, Identifier [Axis]: Project Ruby Ultimate Parent Corp., First lien - Funded 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   4,293
Fair Value   4,310
SLP III | Investment, Identifier [Axis]: Pushpay USA Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 3,090  
Fair Value 3,147  
SLP III | Investment, Identifier [Axis]: Quartz Holding Company, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 9,044  
Fair Value 9,129  
SLP III | Investment, Identifier [Axis]: RLG Holdings, LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 5,652 5,707
Fair Value 5,613 5,403
SLP III | Investment, Identifier [Axis]: RealPage, Inc. 1, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 4,255  
Fair Value 4,259  
SLP III | Investment, Identifier [Axis]: RealPage, Inc. 2, First lien - Funded 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 4,975  
Fair Value 5,028  
SLP III | Investment, Identifier [Axis]: RealPage, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   4,298
Fair Value   4,288
SLP III | Investment, Identifier [Axis]: Renaissance Holding Corp., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   6,429
Fair Value   6,644
SLP III | Investment, Identifier [Axis]: RxB Holdings, Inc. ,First lien - Funded 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   3,586
Fair Value   3,669
SLP III | Investment, Identifier [Axis]: RxB Holdings, Inc. 1, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 6,203  
Fair Value 6,274  
SLP III | Investment, Identifier [Axis]: RxB Holdings, Inc. 2, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 3,568  
Fair Value 3,632  
SLP III | Investment, Identifier [Axis]: RxB Holdings, Inc., First lien - Funded 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   6,247
Fair Value   6,327
SLP III | Investment, Identifier [Axis]: Sierra Enterprises, LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 2,539 2,483
Fair Value 2,540 2,304
SLP III | Investment, Identifier [Axis]: Snap One Holdings Corp., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   6,506
Fair Value   6,425
SLP III | Investment, Identifier [Axis]: Spring Education Group, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 12,093 12,198
Fair Value 12,315 12,390
SLP III | Investment, Identifier [Axis]: Storable, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 3,741 3,779
Fair Value 3,776 3,782
SLP III | Investment, Identifier [Axis]: Summit Acquisition Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 5,971  
Fair Value 6,000  
SLP III | Investment, Identifier [Axis]: Symplr Software, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 15,331 15,470
Fair Value 14,122 13,978
SLP III | Investment, Identifier [Axis]: Syndigo LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 14,622 14,519
Fair Value 14,720 14,588
SLP III | Investment, Identifier [Axis]: TMF Sapphire Bidco B.V., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 2,600 2,616
Fair Value 2,657 2,685
SLP III | Investment, Identifier [Axis]: TRC Companies LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 13,836 13,470
Fair Value 14,018 13,548
SLP III | Investment, Identifier [Axis]: Therapy Brands Holdings LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 4,005 4,043
Fair Value 3,414 3,763
SLP III | Investment, Identifier [Axis]: Thermostat Purchaser III, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 8,485 6,535
Fair Value 8,506 6,475
SLP III | Investment, Identifier [Axis]: UKG Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 5,808 4,880
Fair Value 5,861 5,004
SLP III | Investment, Identifier [Axis]: USI, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   2,403
Fair Value   2,456
SLP III | Investment, Identifier [Axis]: VSTG Intermediate Holdings, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 4,436  
Fair Value 4,475  
SLP III | Investment, Identifier [Axis]: Valcour Packaging, LLC 1, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 2,235  
Fair Value 2,328  
SLP III | Investment, Identifier [Axis]: Valcour Packaging, LLC 2, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 3,105  
Fair Value 2,738  
SLP III | Investment, Identifier [Axis]: Valcour Packaging, LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   4,449
Fair Value   3,552
SLP III | Investment, Identifier [Axis]: Viant Medical Holdings, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 7,065  
Fair Value 7,188  
SLP III | Investment, Identifier [Axis]: WatchGuard Technologies, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 6,667 4,944
Fair Value 6,869 5,045
SLP III | Investment, Identifier [Axis]: Waystar Technologies, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   3,978
Fair Value   4,003
SLP III | Investment, Identifier [Axis]: Wrench Group LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 14,086  
Fair Value 13,597  
SLP III | Investment, Identifier [Axis]: Wrench Group LLC, First lien - Funded 1    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   7,732
Fair Value   7,772
SLP III | Investment, Identifier [Axis]: Wrench Group LLC, First lien - Funded 2    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost   5,386
Fair Value   5,495
SLP III | Investment, Identifier [Axis]: Xplor T1, LLC, First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 5,560  
Fair Value 5,651  
SLP III | Investment, Identifier [Axis]: Zest Acquisition Corp., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 3,916 3,926
Fair Value 4,082 3,999
SLP III | Investment, Identifier [Axis]: athenahealth Group Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 6,582 6,612
Fair Value 6,806 6,828
SLP III | Investment, Identifier [Axis]: eResearchTechnology, Inc., First lien - Funded    
Investment Company, Nonconsolidated Subsidiary [Line Items]    
Cost 3,594 3,631
Fair Value $ 3,620 $ 3,632
[1] The Company holds ordinary shares in AAC Lender Holdings, LLC and two first lien term loans, a first lien revolver and subordinated notes in American Achievement Corporation, a partially-owned subsidiary of AAC Lender Holdings, LLC.
[2] The fair value of the Company's investment is determined using unobservable inputs that are significant to the overall fair value measurement. See Note 4. Fair Value, for details.
[3] Investment is held by New Mountain Finance Corporation
[4] The Company holds ordinary shares in AAC Lender Holdings, LLC and two first lien term loans, a first lien revolver and subordinated notes in American Achievement Corporation, a partially-owned subsidiary of AAC Lender Holdings, LLC.
[5] The fair value of the Company's investment is determined using unobservable inputs that are significant to the overall fair value measurement. See Note 4. Fair Value, for details.
[6] Investment is pledged as collateral for the NMFC Credit Facility, a revolving credit facility among the Company as the Borrower and Goldman Sachs Bank USA as the Administrative Agent and the Collateral Agent and Goldman Sachs Bank USA, Morgan Stanley Bank, N.A., Stifel Bank & Trust and MUFG Union Bank, N.A. as Lenders. See Note 7. Borrowings, for details.
[7] Investment is held by New Mountain Finance SBIC, L.P.
[8] Par value amounts represent the drawn or undrawn (as indicated in type of investment) portion of revolving credit facilities or delayed draws. Cost amounts represent the cash received at settlement date net of the impact of paydowns and cash paid for drawn revolvers or delayed draws.
[9] Investment is pledged as collateral for the Holdings Credit Facility, a revolving credit facility among the Company, as the Collateral Manager, New Mountain Finance Holdings, L.L.C. ("NMF Holdings") as the Borrower, Wells Fargo Securities, LLC, as the Administrative Agent and Wells Fargo Bank, National Association, as the Lender and Collateral Custodian. See Note 7. Borrowings, for details.
[10] Investment is pledged as collateral for the DB Credit Facility, a revolving credit facility among New Mountain Finance DB, L.L.C as the Borrower and Deutsche Bank AG, New York Branch as the Facility Agent. See Note 7. Borrowings, for details.
[11] Par value amounts represent the drawn or undrawn (as indicated in type of investment) portion of revolving credit facilities or delayed draws. Cost amounts represent the cash received at settlement date net of the impact of paydowns and cash paid for drawn revolvers or delayed draws.
[12] Investment is pledged as collateral for the Holdings Credit Facility, a revolving credit facility among the Company, as the Collateral Manager, New Mountain Finance Holdings, L.L.C. as the Borrower, Wells Fargo Securities, LLC, as the Administrative Agent, and Wells Fargo Bank, National Association, as the Lender and Collateral Custodian.. See Note 7. Borrowings, for details.
[13] Investment is held by New Mountain Finance Holdings, L.L.C.
[14] Investment is pledged as collateral for the NMFC Credit Facility, a revolving credit facility among the Company as the Borrower, Sumitomo Mitsui Banking Corporation, as administrative agent, sole lead arranger, and sole book runner, and the lenders party thereto. See Note 7. Borrowings, for details
[15] Investment is held by New Mountain Finance SBIC, L.P.
[16] The Company holds investments in ACI Parent Inc. and a wholly-owned subsidiary of ACI Parent Inc. The Company holds a first lien term loan, two first lien delayed draws and a first lien revolver in ACI Group Holdings, Inc. and preferred equity in ACI Parent Inc.
[17] The Company holds investments in ACI Parent Inc. and a wholly-owned subsidiary of ACI Parent Inc. The Company holds a first lien term loan, two first lien delayed draws and a first lien revolver in ACI Group Holdings, Inc. and preferred equity in ACI Parent Inc. The preferred equity in ACI Parent Inc. is entitled to receive cumulative preferential dividends at a rate of 11.75% per annum.
[18] Indicates assets that the Company deems to be “non-qualifying assets” under Section 55(a) of the 1940 Act. Qualifying assets must represent at least 70.0% of the Company’s total assets at the time of acquisition of any additional non-qualifying assets. As of December 31, 2024, 14.6% of the Company’s total assets are represented by investments at fair value that are considered non-qualifying assets.
[19] Investment is on non-accrual status. See Note 3. Investments, for details.
[20] Investment is on non-accrual status. See Note 3. Investments, for details.
[21] Investment is held by NMF Ancora Holdings, Inc.
[22] Investment is held by NMF Ancora Holdings, Inc.
[23] The Company holds investments in two wholly-owned subsidiaries of Appriss Health Holdings, Inc. The company holds a first lien term loan and a first lien revolver in Appriss Health, LLC, and preferred equity in Appriss Health Intermediate Holdings, Inc. The preferred equity is entitled to receive preferential dividends at a rate of 11.0% per annum.
[24] Indicates assets that the Company deems to be “non-qualifying assets” under Section 55(a) of the 1940 Act. Qualifying assets must represent at least 70.0% of the Company’s total assets at the time of acquisition of any additional non-qualifying assets. As of December 31, 2023, 14.8% of the Company’s total assets are represented by investments at fair value that are considered non-qualifying assets.
[25] The Company holds preferred equity in Bamboo Health Intermediate Holdings, Inc.(fka Appriss Health Intermediate Holdings, Inc.) and holds a first lien term loan and a first lien revolver in Bamboo Health Holdings, LLC (fka Appriss Health, LLC), a wholly-owned subsidiary of Bamboo Health Intermediate Holdings, Inc.
[26] Investment is held by New Mountain Finance SBIC II, L.P.
[27] Investment is held by New Mountain Finance SBIC II, L.P.
[28] The Company holds investments in two wholly-owned subsidiary of Diamond Parent Holdings Corp. The Company holds three first lien term loans and a first lien revolver in Diligent Corporation and preferred equity in Diligent Preferred Issuer Inc. The preferred equity in Diligent Preferred Issuer Inc. is entitled to receive cumulative preferential dividends at a rate 10.5% per annum.
[29] The Company holds investments in two wholly-owned subsidiaries of Diamond Parent Holdings Corp. The Company holds two first lien term loans, a first lien delayed draw and a first lien revolver in Diligent Corporation and preferred equity in Diligent Preferred Issuer Inc.
[30] The Company holds preferred equity in Eclipse Topco, Inc. and a first lien term loan, a first lien revolver and a first lien delayed draw in Eclipse Buyer, Inc., a wholly-owned subsidiary of Eclipse Topco, Inc.
[31] The Company holds ordinary shares in FS WhiteWater Holdings, LLC, and a first lien term loan, a first lien revolver, and three first lien delayed draws in FS WhiteWater Borrower, LLC, a partially-owned subsidiary of FS WhiteWater Holdings, LLC.
[32] The Company holds ordinary shares in FS WhiteWater Holdings, LLC, and a first lien term loan, a first lien revolver, and three first lien delayed draws in FS WhiteWater Borrower, LLC, a partially-owned subsidiary of FS WhiteWater Holdings, LLC.
[33] Investment is held by NMF HB, Inc.
[34] Investment is held by NMF HB, Inc.
[35] Investment is held by NMF TRM, LLC.
[36] Investment is held by NMF QID NGL Holdings, Inc.
[37] The Company holds preferred equity in Knockout Intermediate Holdings I Inc. and a first lien term loan, a first lien revolver and two first lien delayed draws in Kaseya, Inc., a wholly-owned subsidiary of Knockout Intermediate Holdings I Inc.
[38] The Company holds preferred equity in Knockout Intermediate Holdings I Inc. and a first lien term loan, a first lien revolver and a first lien delayed draw in Kaseya, Inc., a wholly-owned subsidiary of Knockout Intermediate Holdings I Inc. The preferred equity is entitled to received cumulative preferential dividends at a rate of 11.75% per annum.
[39] The Company holds ordinary shares and warrants in NHME Holdings Corp., as well as a second lien Tranche A Term Loan in National HME, Inc., a wholly-owned subsidiary of NHME Holdings Corp. The second lien Tranche A Term Loan is entitled to receive 20% of the interest earned on the first lien Tranche A Term Loan, which accrues interest at a rate of SOFR + 5.00%, and 20% of the interest earned on the first lien Tranche B Term Loan, which accrues interest at a rate of SOFR + 6.00%.
[40] The Company holds ordinary shares and warrants in NHME Holdings Corp., as well as a second lien Tranche A Term Loan in National HME, Inc., a wholly-owned subsidiary of NHME Holdings Corp. The second lien Tranche A Term Loan is entitled to receive 20% of the interest earned on the first lien Tranche A Term Loan, which accrues interest at a rate of SOFR + 5.00%, and 20% of the interest earned on the first lien Tranche B Term Loan, which accrues interest at a rate of SOFR + 6.00%.
[41] Investment is held by New Mountain Net Lease Corporation.
[42] Investment is held by New Mountain Net Lease Corporation.
[43] Investment is denominated in foreign currency and is translated into U.S. dollars as of the valuation date. As of December 31, 2024, the par value U.S. dollar equivalent of the Viper Bidco, Inc. first lien term loans is $15,057 and the Nelipak Holding Company first lien term loan, drawn revolver, undrawn delayed draw term loan and undrawn revolver is $17,109, $406 $6,638 and $833, respectively. See Note 2. Summary of Significant Accounting Policies, for details.
[44] The Company holds ordinary shares in OA Topco, L.P., and three first lien term loans and a first lien revolver in OA Buyer, Inc., a wholly-owned subsidiary of OA Topco, L.P.
[45] The Company holds ordinary shares in OA Topco, L.P., and two first lien term loans and a first lien revolver in OA Buyer, Inc., a wholly-owned subsidiary of OA Topco, L.P.
[46] Investment is held by NMF OEC, Inc.
[47] The Company holds preferred equity in OEC Holdco, LLC, and two second lien term loans in OEConnection LLC, a wholly-owned subsidiary of OEC Holdco, LLC. The preferred equity is entitled to receive preferential dividends of 11.0% per annum.
[48] The Company holds one security purchased under a collateralized agreement to resell on its Consolidated Statement of Assets and Liabilities with a cost basis of $30,000 and a fair value of $13,500 as of December 31, 2024. See Note 2. Summary of Significant Accounting Policies, for details.
[49] The Company holds one security purchased under a collateralized agreement to resell on its Consolidated Statement of Assets and Liabilities with a cost basis of $30,000 and a fair value of $16,500 as of December 31, 2023. See Note 2. Summary of Significant Accounting Policies, for details.
[50] Investment is held by NMF Permian Holdings, LLC.
[51] Investment is held by NMF Permian Holdings, LLC.
[52] The Company holds ordinary shares in Pioneer Topco I, L.P., and two first lien term loans and a first lien revolver in Pioneer Buyer I, LLC, a wholly-owned subsidiary of Pioneer Topco I, L.P.
[53] The Company holds ordinary shares in Pioneer Topco I, L.P., and two first lien term loans and a first lien revolver in Pioneer Buyer I, LLC, a wholly-owned subsidiary of Pioneer Topco I, L.P.
[54] Investment is held by NMF Pioneer, Inc.
[55] Investment is held by NMF Pioneer, Inc.
[56] Investment is denominated in foreign currency and is translated into U.S. dollars as of the valuation date. As of December 31, 2023, the par value U.S. dollar equivalent of the first lien term loan, and drawn first lien term loan is $16,600 and $14,457, respectively. See Note 2. Summary of Significant Accounting Policies, for details.