v3.26.1
Investments - Narrative (Details)
€ in Thousands, £ in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2026
EUR (€)
 [1],[2],[3],[16],[33]
Jun. 30, 2026
GBP (£)
 [1],[2],[3],[16],[33]
Dec. 31, 2025
USD ($)
Dec. 31, 2025
EUR (€)
 [5],[7],[8]
Dec. 31, 2025
GBP (£)
 [5],[7],[8],[12],[32]
Sep. 30, 2023
USD ($)
Sep. 30, 2021
USD ($)
Mar. 31, 2021
USD ($)
May 03, 2013
USD ($)
Investment, Identifier [Axis]: AAH Topco, LLC | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount $ 3,659 [1],[2],[3],[4] $ 3,659 [1],[2],[3],[4]     $ 3,659 [5],[6],[7],[8]            
Investment, Identifier [Axis]: AAH Topco, LLC | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 9,451 [1],[3],[9] 9,451 [1],[3],[9]     22,502 [5],[7],[10],[11]            
Investment, Identifier [Axis]: AAH Topco, LLC | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 7,263 [1],[3],[9] 7,263 [1],[3],[9]     20,009 [5],[7],[8],[12]            
Investment, Identifier [Axis]: AAH Topco, LLC | First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 5,971 [1],[3],[13],[14] 5,971 [1],[3],[13],[14]     9,500 [5],[7],[15]            
Investment, Identifier [Axis]: AAH Topco, LLC | First lien 4                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 3,491 [1],[2],[3],[16] 3,491 [1],[2],[3],[16]     7,300 [5],[7],[15]            
Investment, Identifier [Axis]: AAH Topco, LLC | Subordinated 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 7,327 [1],[3],[9] 7,327 [1],[3],[9]     17,649 [5],[7],[8],[12]            
Investment, Identifier [Axis]: AAH Topco, LLC | Subordinated 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 874 [1],[2],[3],[16] 874 [1],[2],[3],[16]     6,921 [5],[7],[15]            
Investment, Identifier [Axis]: ACI Group Holdings, Inc. | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         2,330            
Investment, Identifier [Axis]: ACI Group Holdings, Inc. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8],[17]         24            
Investment, Identifier [Axis]: ACI Group Holdings, Inc. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[10],[11]         22,643            
Investment, Identifier [Axis]: ACI Group Holdings, Inc. | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[8],[12]         4,346            
Investment, Identifier [Axis]: ACI Group Holdings, Inc. | First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[8],[12]         4,014            
Investment, Identifier [Axis]: ACI Parent Inc. | Preferred shares                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount         20,249            
Investment, Identifier [Axis]: AI Altius US Bidco, Inc. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[8],[12]         3,062            
Investment, Identifier [Axis]: AI Altius US Bidco, Inc. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         3,077            
Investment, Identifier [Axis]: AWP Group Holdings, Inc. | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4],[16] 359 359                  
Investment, Identifier [Axis]: AWP Group Holdings, Inc. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 1,005 1,005                  
Investment, Identifier [Axis]: AWP Group Holdings, Inc. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[3],[13],[14] 8,660 8,660                  
Investment, Identifier [Axis]: Acumatica Holdings, Inc. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 13,759 [1],[3],[13],[14] 13,759 [1],[3],[13],[14]     39,188 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Acumatica Holdings, Inc. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 9,403 [1],[2],[3],[4] 9,403 [1],[2],[3],[4]     9,403 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Adelaide Borrower, LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 4,780 [1],[2],[3],[16] 4,780 [1],[2],[3],[16]     4,780 [5],[7],[8],[12]            
Investment, Identifier [Axis]: Adelaide Borrower, LLC | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 53 [1],[2],[3],[4],[16] 53 [1],[2],[3],[4],[16]     120 [5],[6],[7],[8],[12]            
Investment, Identifier [Axis]: Adelaide Borrower, LLC | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 613 [1],[2],[3],[4] 613 [1],[2],[3],[4]     1,048 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Adelaide Borrower, LLC | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,048 [1],[2],[3],[4] 1,048 [1],[2],[3],[4]     547 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Alegeus Technologies Holdings Corp. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 8,170 [2],[3],[16] 8,170 [2],[3],[16]     8,382 [5],[7],[8],[12]            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,969 [1],[2],[3],[4] 1,969 [1],[2],[3],[4]     1,969 [5],[6],[7],[8]            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 18,672 [1],[2],[3],[16] 18,672 [1],[2],[3],[16]     18,769 [5],[7],[8],[12]            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc. | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 5,196 [1],[3],[13],[14] 5,196 [1],[3],[13],[14]     5,223 [5],[7],[10],[11]            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc. | First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 682 [1],[2],[3],[16] 682 [1],[2],[3],[16]     686 [5],[7],[8],[12]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 31,406 31,406                  
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 2,652 [1],[2],[3],[4],[18] 2,652 [1],[2],[3],[4],[18]     2,652 [5],[6],[7],[8],[19]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 29,879 [1],[2],[3],[16] 29,879 [1],[2],[3],[16]     29,879 [5],[7],[8],[12]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,527 [1],[2],[3] 1,527 [1],[2],[3]     1,527 [5],[7],[8]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) | First lien | Non-accrual status                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount               $ 17,927 $ 13,479    
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) | Non-accrual status                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Unearned interest income 1,417 2,784                  
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) | Subordinated                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 5,230 [1],[2],[3] 5,230 [1],[2],[3]     5,230 [5],[7],[8]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) | Subordinated | Non-accrual status                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount                   $ 5,230  
Investment, Identifier [Axis]: Anaplan, Inc. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[10],[11]         10,513            
Investment, Identifier [Axis]: Associations, Inc. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 29,871 [1],[2],[3],[16] 29,871 [1],[2],[3],[16]     48,932 [5],[7],[8],[12]            
Investment, Identifier [Axis]: Associations, Inc. | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 2,010 [1],[2],[3],[4] 2,010 [1],[2],[3],[4]     1,639 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Associations, Inc. | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,806 [1],[2],[3],[4] 1,806 [1],[2],[3],[4]     2,186 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Associations, Inc. | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 3,077 [1],[2],[3],[4] 3,077 [1],[2],[3],[4]     3,077 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Associations, Inc. | Subordinated 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 9,842 [1],[2],[3] 9,842 [1],[2],[3]     9,173 [5],[7],[8]            
Investment, Identifier [Axis]: Associations, Inc. | Subordinated 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 3,758 [1],[2],[3] 3,758 [1],[2],[3]     3,503 [5],[7],[8]            
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 790 [1],[2],[3],[4],[20] 790 [1],[2],[3],[4],[20]     790 [5],[6],[7],[8],[21]            
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 4,441 [1],[3],[13],[14] 4,441 [1],[3],[13],[14]     4,463 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 3,393 [1],[2],[3],[16] 3,393 [1],[2],[3],[16]     3,411 [5],[7],[8],[12]            
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd | First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,322 [1],[2],[3],[16] 1,322 [1],[2],[3],[16]     1,328 [5],[7],[8],[12]            
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.) | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 31,814 [1],[2],[3],[16] 31,814 [1],[2],[3],[16]     36,155 [5],[7],[8],[12]            
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 3,707 3,707                  
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         2,122            
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         3,707            
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 15,524 [1],[3],[13],[14] 15,524 [1],[3],[13],[14]     15,602 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 5,753 [1],[3],[13],[14] 5,753 [1],[3],[13],[14]     5,782 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,266 [1],[2],[3],[16] 1,266 [1],[2],[3],[16]     378 [5],[7],[8],[12]            
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien 4                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[16] 1,228 1,228                  
Investment, Identifier [Axis]: Bamboo Health Holdings, LLC (f/k/a Appriss Health, LLC) | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 3,046 [1],[2],[3],[16] 3,046 [1],[2],[3],[16]     3,046 [5],[7],[8],[12]            
Investment, Identifier [Axis]: Bamboo Health Holdings, LLC (f/k/a Appriss Health, LLC) | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 417 [1],[2],[3],[4] 417 [1],[2],[3],[4]     417 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Bonterra LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[10],[11]         14,989            
Investment, Identifier [Axis]: Bonterra LLC | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 326 326                  
Investment, Identifier [Axis]: Bonterra LLC | First lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8],[12]         1,629            
Investment, Identifier [Axis]: Bonterra LLC | First lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         244            
Investment, Identifier [Axis]: Bonterra LLC | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 1,303 1,303                  
Investment, Identifier [Axis]: Bonterra LLC | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         0            
Investment, Identifier [Axis]: Bonterra LLC | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         1,384            
Investment, Identifier [Axis]: Bonterra LLC | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[3],[13],[14] 14,914 14,914                  
Investment, Identifier [Axis]: Bonterra LLC | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[16] 1,625 1,625                  
Investment, Identifier [Axis]: Brave Parent Holdings, Inc. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 21,016 [1],[3],[22] 21,016 [1],[3],[22]     21,124 [5],[7],[23]            
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 125 [1],[2],[3],[4] 125 [1],[2],[3],[4]     125 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         822            
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         811            
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 8,879 [1],[3],[13],[14] 8,879 [1],[3],[13],[14]     13,206 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 3,398 [1],[3],[13],[14] 3,398 [1],[3],[13],[14]     8,879 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,025 [1],[2],[3],[16] 1,025 [1],[2],[3],[16]     3,398 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien 4                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 761 [1],[3],[13],[14] 761 [1],[3],[13],[14]     1,025 [5],[7],[8],[12]            
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien 5                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 341 [1],[3],[13],[14] 341 [1],[3],[13],[14]     761 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien 6                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 272 [1],[3],[13],[14] 272 [1],[3],[13],[14]     341 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien 7                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[10],[11]         272            
Investment, Identifier [Axis]: Bullhorn, Inc.. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 811 811                  
Investment, Identifier [Axis]: CFS Management, LLC | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 12,383 [1],[2],[3],[16] 12,383 [1],[2],[3],[16]     12,124 [5],[7],[8],[12]            
Investment, Identifier [Axis]: CFS Management, LLC | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 3,690 [1],[3],[13],[14] 3,690 [1],[3],[13],[14]     3,612 [5],[7],[10],[11]            
Investment, Identifier [Axis]: CG Group Holdings, LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[10],[11]         8,582            
Investment, Identifier [Axis]: CG Group Holdings, LLC | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8],[12]         1,089            
Investment, Identifier [Axis]: CG Group Holdings, LLC | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         113            
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[10],[11]         6,451            
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc. | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         1,629            
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc. | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         1,086            
Investment, Identifier [Axis]: Capstone Borrower, Inc. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [2],[3],[16] 3,763 3,763                  
Investment, Identifier [Axis]: Cardinal Parent, Inc. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 11,548 [3],[9] 11,548 [3],[9]     11,609 [5],[15]            
Investment, Identifier [Axis]: Cardinal Parent, Inc. | Second lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 9,767 [1],[3],[9] 9,767 [1],[3],[9]     9,767 [5],[7],[15]            
Investment, Identifier [Axis]: Centegix Intermediate II, LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[3],[13],[14] 240 240                  
Investment, Identifier [Axis]: Centegix Intermediate II, LLC. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 1,177 1,177                  
Investment, Identifier [Axis]: CentralSquare Technologies, LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 36,322 [1],[3],[13],[14] 36,322 [1],[3],[13],[14]     36,497 [5],[7],[10],[11]            
Investment, Identifier [Axis]: CentralSquare Technologies, LLC | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 3,980 [1],[2],[3],[4] 3,980 [1],[2],[3],[4]     3,980 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Ciklum Inc. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 2,989 [1],[2],[3],[4],[20] 2,989 [1],[2],[3],[4],[20]     2,989 [5],[6],[7],[8],[21]            
Investment, Identifier [Axis]: Ciklum Inc. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 9,392 [1],[3],[13],[14] 9,392 [1],[3],[13],[14]     9,440 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Ciklum Inc. | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 5,312 [1],[2],[3],[16] 5,312 [1],[2],[3],[16]     5,339 [5],[7],[8],[12]            
Investment, Identifier [Axis]: Community Management Holdings MidCo 2, LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,285 [1],[2],[3],[16] 1,285 [1],[2],[3],[16]     1,291 [5],[7],[8],[12]            
Investment, Identifier [Axis]: Community Management Holdings MidCo 2, LLC | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 568 [1],[2],[3],[4],[16] 568 [1],[2],[3],[4],[16]     9 [5],[6],[7],[8],[12]            
Investment, Identifier [Axis]: Community Management Holdings MidCo 2, LLC | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 41 [1],[2],[3],[4] 41 [1],[2],[3],[4]     602 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Compsych Investments Corp | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         2,253            
Investment, Identifier [Axis]: Compsych Investments Corp. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 7,750 [1],[3],[13],[14] 7,750 [1],[3],[13],[14]     7,790 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Compsych Investments Corp. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 2,253 2,253                  
Investment, Identifier [Axis]: Consumer Products | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3] 4,976 4,976                  
Investment, Identifier [Axis]: Consumer Products | Subordinated                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3] 2,410 2,410                  
Investment, Identifier [Axis]: Convey Health Solutions, Inc. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 13,060 [1],[3],[14] 13,060 [1],[3],[14]     13,518 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Convey Health Solutions, Inc. | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 2,181 [1],[3],[14] 2,181 [1],[3],[14]     2,257 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Convey Health Solutions, Inc. | First lien | Non-accrual status                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Unearned income 359 687                  
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,462 [1],[2],[3],[16] 1,462 [1],[2],[3],[16]     1,470 [5],[7],[8],[12]            
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         147            
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[10],[11]         14,243            
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4],[16] 659 659                  
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 330 330                  
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         1,291            
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         989            
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[3],[13],[14] 14,171 14,171                  
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[16] 1,291 1,291                  
Investment, Identifier [Axis]: Cronos Crimson Holdings, Inc. (f/k/a NMC Crimson Holdings, Inc.) | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 24,172 [1],[3],[13],[14] 24,172 [1],[3],[13],[14]     24,172 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Cronos Crimson Holdings, Inc. (f/k/a NMC Crimson Holdings, Inc.) | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 5,012 [1],[2],[3],[16] 5,012 [1],[2],[3],[16]     5,012 [5],[7],[8],[12]            
Investment, Identifier [Axis]: Cronos Crimson Holdings, Inc. (f/k/a NMC Crimson Holdings, Inc.) | First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 4,706 [1],[3],[13],[14] 4,706 [1],[3],[13],[14]     4,706 [5],[7],[10],[11]            
Investment, Identifier [Axis]: DCA Investment Holding, LLC | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[10],[11]         1,786            
Investment, Identifier [Axis]: DCA Investment Holding, LLC | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[8],[12]         1,000            
Investment, Identifier [Axis]: DCA TopCo LP | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[3],[13],[14] 957 957                  
Investment, Identifier [Axis]: DCA TopCo LP | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[16] 536 536                  
Investment, Identifier [Axis]: DG Investment Intermediate Holdings 2, Inc. | Second lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 3,024 [1],[2],[3],[16] 3,024 [1],[2],[3],[16]     9,512 [5],[7],[8],[12]            
Investment, Identifier [Axis]: DOCS, MSO, LLC | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 2,405 [1],[2],[3],[4] 2,405 [1],[2],[3],[4]     2,405 [5],[6],[7],[8]            
Investment, Identifier [Axis]: DOCS, MSO, LLC | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 3,223 [1],[3],[9] 3,223 [1],[3],[9]     18,149 [5],[7],[8],[12]            
Investment, Identifier [Axis]: DOCS, MSO, LLC | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,591 [1],[2],[3],[16] 1,591 [1],[2],[3],[16]     6,797 [5],[7],[15]            
Investment, Identifier [Axis]: DOCS, MSO, LLC | First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[8],[12]         3,354            
Investment, Identifier [Axis]: DT1 Midco Corp | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,335 [1],[3],[13],[14] 1,335 [1],[3],[13],[14]     1,342 [5],[7],[10],[11]            
Investment, Identifier [Axis]: DT1 Midco Corp | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 32 [1],[2],[3],[4] 32 [1],[2],[3],[4]     32 [5],[6],[7],[8]            
Investment, Identifier [Axis]: DT1 Midco Corp | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 4,462 [1],[2],[3],[4] 4,462 [1],[2],[3],[4]     674 [5],[6],[7],[8]            
Investment, Identifier [Axis]: DT1 Midco Corp | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 674 [1],[2],[3],[4] 674 [1],[2],[3],[4]     4,462 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         986            
Investment, Identifier [Axis]: Daxko Acquisition Corporation | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 12,679 [1],[2],[3],[16] 12,679 [1],[2],[3],[16]     12,746 [5],[7],[8],[12]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,068 [1],[3],[13],[14] 1,068 [1],[3],[13],[14]     1,074 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation | First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 64 [1],[2],[3] 64 [1],[2],[3]     64 [5],[7],[8]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 986 986                  
Investment, Identifier [Axis]: Dealer Tire Holdings, LLC | Preferred Shares                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 27,116 27,116     90,671            
Investment, Identifier [Axis]: Deca Dental Holdings LLC | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 36,614 [1],[3],[13],[14] 36,614 [1],[3],[13],[14]     36,710 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Deca Dental Holdings LLC | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 3,854 [1],[2],[3],[16] 3,854 [1],[2],[3],[16]     3,864 [5],[7],[8],[12]            
Investment, Identifier [Axis]: Deca Dental Holdings LLC | First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 3,027 [1],[2],[3],[16] 3,027 [1],[2],[3],[16]     3,027 [5],[7],[8],[12]            
Investment, Identifier [Axis]: Denali Intermediate Holdings, Inc. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[10],[11]         9,091            
Investment, Identifier [Axis]: Denali Intermediate Holdings, Inc. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         909            
Investment, Identifier [Axis]: Digicert, Inc. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 15,384 [1],[3],[13],[14] 15,384 [1],[3],[13],[14]     15,462 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Digicert, Inc. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,119 [1],[2],[3],[4] 1,119 [1],[2],[3],[4]     1,119 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Diligent Corporation | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[16] 3,398 3,398                  
Investment, Identifier [Axis]: Diligent Corporation | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 895 [1],[2],[3],[4] 895 [1],[2],[3],[4]     532 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Diligent Corporation | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 1,371 1,371                  
Investment, Identifier [Axis]: Diligent Corporation | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         1,733            
Investment, Identifier [Axis]: Diligent Corporation | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         3,398            
Investment, Identifier [Axis]: Diligent Corporation | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[10],[11]         19,821            
Investment, Identifier [Axis]: Diligent Corporation | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[8],[12]         3,398            
Investment, Identifier [Axis]: Diligent Preferred Issuer, Inc. | Preferred shares                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount         15,827            
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.) | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 10,628 [1],[3],[13],[14],[24] 10,628 [1],[3],[13],[14],[24]     10,628 [5],[7],[10],[11],[25]            
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.) | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 340 [1],[2],[3],[24] 340 [1],[2],[3],[24]     340 [5],[7],[8],[25]            
Investment, Identifier [Axis]: Eclipse Buyer Inc. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 7,113 [1],[3],[9],[26] 7,113 [1],[3],[9],[26]     7,113 [5],[7],[15],[27]            
Investment, Identifier [Axis]: Eclipse Buyer Inc. | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[15]         1,206            
Investment, Identifier [Axis]: Eclipse Buyer Inc. | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 4,190 [1],[2],[3],[4] 4,190 [1],[2],[3],[4]     4,190 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Eclipse Buyer Inc.| First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[3],[4],[9] 1,206 1,206                  
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.) | Series A preferred shares                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 3,835 3,835     3,335            
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.) | Series B preferred shares                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 3,691 3,691     4,116            
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. | Series B preferred shares | Non-accrual status                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Unearned income 124 242                  
Investment, Identifier [Axis]: Eclipse Topco, Inc. | Preferred shares                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,632 1,632     2,226            
Investment, Identifier [Axis]: Edmentum Ultimate Holdings, LLC | Subordinated                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 29,089 [1],[2],[3],[24],[28] 29,089 [1],[2],[3],[24],[28]     26,646 [5],[7],[8],[25],[29]            
Investment, Identifier [Axis]: Einstein Parent, Inc. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 5,750 [1],[2],[3],[4] 5,750 [1],[2],[3],[4]     5,750 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Einstein Parent, Inc. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 35,582 [1],[2],[3],[16] 35,582 [1],[2],[3],[16]     35,582 [5],[7],[8],[12]            
Investment, Identifier [Axis]: Einstein Parent, Inc. | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 20,000 [1],[3],[13],[14] 20,000 [1],[3],[13],[14]     20,000 [5],[7],[10],[11]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[23]         2,533            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 1,400 1,400                  
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         64            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[23]         191            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien - Undrawn 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         1,400            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 8,396 [1],[3],[22] 8,396 [1],[3],[22]     8,449 [5],[7],[23]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 4,681 [1],[2],[3],[16] 4,681 [1],[2],[3],[16]     4,710 [5],[7],[8],[12]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 2,819 [1],[3],[22] 2,819 [1],[3],[22]     2,836 [5],[7],[23]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien 4                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 2,801 [1],[3],[22] 2,801 [1],[3],[22]     2,818 [5],[7],[23]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien 5                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[3],[22] 2,711 2,711                  
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien 6                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[16] 905 905                  
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien- Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8],[12]         846            
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[8],[12]         8,187            
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc. | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 2,794 [1],[2],[3],[4] 2,794 [1],[2],[3],[4]     1,919 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc. | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         1,422            
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc. | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,422 [1],[2],[3],[4] 1,422 [1],[2],[3],[4]     2,814 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc. | First lien - Undrawn1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 1,926 1,926                  
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[16] 8,261 8,261                  
Investment, Identifier [Axis]: Flash Charm Inc. (fka Idera, Inc.) | Second lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,884 [3],[9] 1,884 [3],[9]     6,474 [5],[15]            
Investment, Identifier [Axis]: Flash Charm Inc. (fka Idera, Inc.) | Second lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 251 [2],[3],[16] 251 [2],[3],[16]     863 [5],[8],[12]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 92 [1],[2],[3],[4],[16] 92 [1],[2],[3],[4],[16]     460 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 2,218 2,218                  
Investment, Identifier [Axis]: Foreside Financial Group, LLC | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         2,849            
Investment, Identifier [Axis]: Foreside Financial Group, LLC | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         2,311            
Investment, Identifier [Axis]: Foreside Financial Group, LLC | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 7,746 [1],[3],[13],[14] 7,746 [1],[3],[13],[14]     36,810 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 273 [1],[2],[3],[16] 273 [1],[2],[3],[16]     4,033 [5],[7],[8],[12]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,573 [1],[2],[3],[4],[16] 1,573 [1],[2],[3],[4],[16]     834 [5],[6],[7],[8],[12]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,287 [1],[2],[3],[4] 1,287 [1],[2],[3],[4]     2,026 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 29,082 [1],[3],[13],[14] 29,082 [1],[3],[13],[14]     29,234 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 967 [1],[2],[3],[16] 967 [1],[2],[3],[16]     972 [5],[7],[8],[12]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC | First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 78 [1],[2],[3] 78 [1],[2],[3]     79 [5],[7],[8]            
Investment, Identifier [Axis]: Foundational Education Group, Inc. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 6,317 [1],[3],[13],[14] 6,317 [1],[3],[13],[14]     6,350 [5],[10],[11]            
Investment, Identifier [Axis]: Foundational Education Group, Inc. | Second lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 22,500 [1],[3],[22] 22,500 [1],[3],[22]     22,500 [5],[7],[23]            
Investment, Identifier [Axis]: Foundational Education Group, Inc. | Second lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 10,965 [1],[2],[3],[16] 10,965 [1],[2],[3],[16]     10,965 [5],[7],[8],[12]            
Investment, Identifier [Axis]: Fullsteam Operations LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 6,223 [1],[3],[13],[14] 6,223 [1],[3],[13],[14]     6,223 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Fullsteam Operations LLC | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 225 225                  
Investment, Identifier [Axis]: Fullsteam Operations LLC | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 467 [1],[2],[3],[4] 467 [1],[2],[3],[4]     691 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Fullsteam Operations LLC | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 2,074 [1],[2],[3],[4] 2,074 [1],[2],[3],[4]     2,074 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Funded Investments - First lien | Convey Health Solutions, Inc.                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Unearned income 84 164                  
Investment, Identifier [Axis]: GC Waves Holdings, Inc. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[3],[22] 21,126 21,126                  
Investment, Identifier [Axis]: GC Waves Holdings, Inc. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 3,951 [1],[2],[3],[4] 3,951 [1],[2],[3],[4]     3,951 [5],[6],[7],[8]            
Investment, Identifier [Axis]: GC Waves Holdings, Inc. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[10],[11]         35,918            
Investment, Identifier [Axis]: GC Waves Holdings, Inc. | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[23]         21,233            
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 4,818 4,818                  
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         1,786            
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         448            
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 3 3                  
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         759            
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         3,036            
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 20,962 [1],[3],[22] 20,962 [1],[3],[22]     25,079 [5],[7],[10],[11]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 446 [1],[2],[3] 446 [1],[2],[3]     21,074 [5],[7],[23]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[8],[12]         2,878            
Investment, Identifier [Axis]: Greenway Health, LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 6,206 [1],[2],[3],[16] 6,206 [1],[2],[3],[16]     6,238 [5],[7],[8],[12]            
Investment, Identifier [Axis]: HBWM Holdings, LLC | Common units                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 4,810 4,810     4,776            
Investment, Identifier [Axis]: HP TLE Buyer, Inc. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 8,168 [1],[3],[13],[14] 8,168 [1],[3],[13],[14]     8,168 [5],[7],[10],[11]            
Investment, Identifier [Axis]: HP TLE Buyer, Inc. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,797 [1],[2],[3],[4] 1,797 [1],[2],[3],[4]     1,797 [5],[6],[7],[8]            
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc. | Second lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 24,854 [1],[3],[22] 24,854 [1],[3],[22]     23,738 [5],[7],[23]            
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc. | Second lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 4,648 [1],[3],[14] 4,648 [1],[3],[14]     4,440 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Healthspan Buyer, LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[8],[12]         5,018            
Investment, Identifier [Axis]: Healthspan Buyer, LLC | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,229 [1],[2],[3],[4] 1,229 [1],[2],[3],[4]     1,229 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Healthspan Buyer, LLC | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[3],[13],[14] 32,320 32,320                  
Investment, Identifier [Axis]: Healthspan Buyer, LLC | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[16] 4,992 4,992                  
Investment, Identifier [Axis]: Houghton Mifflin Harcourt Company | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 14,262 [3],[13],[14] 14,262 [3],[13],[14]     14,336 [5],[10],[11]            
Investment, Identifier [Axis]: IG Investments Holdings, LLC | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 3,780 [1],[2],[3],[4] 3,780 [1],[2],[3],[4]     3,780 [5],[6],[7],[8]            
Investment, Identifier [Axis]: IG Investments Holdings, LLC | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 32,307 [1],[3],[13],[14] 32,307 [1],[3],[13],[14]     32,471 [5],[7],[10],[11]            
Investment, Identifier [Axis]: IG Investments Holdings, LLC | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 2,504 [1],[2],[3],[16] 2,504 [1],[2],[3],[16]     2,517 [5],[7],[8],[12]            
Investment, Identifier [Axis]: Icefall Parent, Inc. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[16] 4,828 4,828                  
Investment, Identifier [Axis]: Icefall Parent, Inc. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 475 475                  
Investment, Identifier [Axis]: Infogain Corporation | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 3,593 [1],[2],[3],[4] 3,593 [1],[2],[3],[4]     3,827 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Infogain Corporation | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 7,645 [1],[3],[13],[14] 7,645 [1],[3],[13],[14]     18,324 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Infogain Corporation | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 234 [1],[2],[3],[4] 234 [1],[2],[3],[4]     7,685 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Infogain Corporation | Subordinated                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 6,265 [1],[2],[3] 6,265 [1],[2],[3]     16,661 [5],[7],[8]            
Investment, Identifier [Axis]: Ivy Hill Middle Market Credit Fund, Ltd | Structured Finance Obligation                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 3,232 [1],[2],[3],[20] 3,232 [1],[2],[3],[20]     3,232 [5],[7],[8],[21]            
Investment, Identifier [Axis]: Jawbreaker Parent, Inc. | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 1,503 1,503                  
Investment, Identifier [Axis]: Jawbreaker Parent, Inc. | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 1,503 1,503                  
Investment, Identifier [Axis]: Jawbreaker Parent, Inc. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[3],[13],[14] 7,796 7,796                  
Investment, Identifier [Axis]: Jawbreaker Parent, Inc. | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[16] 3,728 3,728                  
Investment, Identifier [Axis]: KPSKY Acquisition Inc. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 6,721 [1],[2],[3],[16] 6,721 [1],[2],[3],[16]     6,756 [5],[7],[8],[12]            
Investment, Identifier [Axis]: KPSKY Acquisition Inc. | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,131 [1],[2],[3],[16] 1,131 [1],[2],[3],[16]     1,137 [5],[7],[8],[12]            
Investment, Identifier [Axis]: KPSKY Acquisition Inc. | First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 770 [1],[2],[3],[16] 770 [1],[2],[3],[16]     774 [5],[7],[8],[12]            
Investment, Identifier [Axis]: KPSKY Acquisition Inc. | First lien 4                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 19 [1],[2],[3] 19 [1],[2],[3]     19 [5],[7],[8]            
Investment, Identifier [Axis]: Kele Holdco, Inc. | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,079 [1],[2],[3],[4],[16] 1,079 [1],[2],[3],[4],[16]     270 [5],[6],[7],[8],[12]            
Investment, Identifier [Axis]: Kele Holdco, Inc. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 720 [1],[2],[3],[4] 720 [1],[2],[3],[4]     1,529 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Kele Holdco, Inc. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 14,392 [1],[3],[22] 14,392 [1],[3],[22]     14,473 [5],[7],[23]            
Investment, Identifier [Axis]: Kele Holdco, Inc. | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,109 [1],[3],[22] 1,109 [1],[3],[22]     1,241 [5],[7],[23]            
Investment, Identifier [Axis]: Knockout Intermediate Holdings I Inc. | Preferred shares                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 14,279 14,279     13,323            
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[23]         6,250            
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 197 197                  
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[23]         296            
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         233            
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 519 519                  
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[23]         61            
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         483            
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[3],[22] 6,281 6,281                  
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[3],[22] 355 355                  
Investment, Identifier [Axis]: Logrhythm, Inc. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 4,231 [1],[2],[3] 4,231 [1],[2],[3]     4,196 [5],[7],[8]            
Investment, Identifier [Axis]: Logrhythm, Inc. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 420 [1],[2],[3],[4] 420 [1],[2],[3],[4]     420 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Low Voltage Holdings Inc. | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 290 290                  
Investment, Identifier [Axis]: Low Voltage Holdings Inc. | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 819 [1],[2],[3],[4] 819 [1],[2],[3],[4]     819 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Low Voltage Holdings Inc. | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 2,028 [1],[2],[3],[4] 2,028 [1],[2],[3],[4]     2,317 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Low Voltage Holdings Inc. | First lien - Undrawn 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 2,738 [1],[2],[3],[4] 2,738 [1],[2],[3],[4]     3,698 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Low Voltage Holdings Inc. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 18,414 [1],[3],[13],[14] 18,414 [1],[3],[13],[14]     17,038 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Low Voltage Holdings Inc. | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 958 [1],[2],[3],[16] 958 [1],[2],[3],[16]     1,422 [5],[7],[8],[12]            
Investment, Identifier [Axis]: MRI Software LLC | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 501 [1],[2],[3],[4] 501 [1],[2],[3],[4]     400 [5],[6],[7],[8]            
Investment, Identifier [Axis]: MRI Software LLC | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,502 [1],[2],[3],[4] 1,502 [1],[2],[3],[4]     1,602 [5],[6],[7],[8]            
Investment, Identifier [Axis]: MRI Software LLC | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 21,092 [1],[3],[22] 21,092 [1],[3],[22]     21,205 [5],[7],[23]            
Investment, Identifier [Axis]: MRI Software LLC | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 7,472 [1],[2],[3],[16] 7,472 [1],[2],[3],[16]     7,512 [5],[7],[8],[12]            
Investment, Identifier [Axis]: MRI Software LLC | First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 4,450 [1],[3],[13],[14] 4,450 [1],[3],[13],[14]     4,474 [5],[7],[10],[11]            
Investment, Identifier [Axis]: MRI Software LLC | First lien 4                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 3,058 [1],[3],[13],[14] 3,058 [1],[3],[13],[14]     3,075 [5],[7],[10],[11]            
Investment, Identifier [Axis]: MRI Software LLC | First lien 5                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 781 [1],[2],[3],[16] 781 [1],[2],[3],[16]     785 [5],[7],[8],[12]            
Investment, Identifier [Axis]: Mai Capital Management Intermediate LLC | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4],[16] 1,884 1,884                  
Investment, Identifier [Axis]: Mai Capital Management Intermediate LLC | First lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8],[12]         1,979            
Investment, Identifier [Axis]: Mai Capital Management Intermediate LLC | First lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         57            
Investment, Identifier [Axis]: Mai Capital Management Intermediate LLC | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,099 [1],[2],[3],[4] 1,099 [1],[2],[3],[4]     1,709 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Mai Capital Management Intermediate LLC | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 308 [1],[2],[3],[4] 308 [1],[2],[3],[4]     251 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Matterhorn Finco, Inc., | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[3],[13],[14],[20] 7,982 7,982                  
Investment, Identifier [Axis]: Matterhorn Finco, Inc., | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4],[20] 1,985 1,985                  
Investment, Identifier [Axis]: Meta Buyer LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[10],[11]         2,987            
Investment, Identifier [Axis]: Meta Buyer LLC | First lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 176 176                  
Investment, Identifier [Axis]: Meta Buyer LLC | First lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 124 124                  
Investment, Identifier [Axis]: Meta Buyer LLC | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 412 [1],[2],[3],[4] 412 [1],[2],[3],[4]     819 [5],[6],[8]            
Investment, Identifier [Axis]: Meta Buyer LLC | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 642 [1],[2],[3],[4] 642 [1],[2],[3],[4]     409 [5],[6],[8]            
Investment, Identifier [Axis]: Meta Buyer LLC | First lien - Undrawn 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[8]         536            
Investment, Identifier [Axis]: Meta Buyer LLC | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[3],[13],[14] 2,972 2,972                  
Investment, Identifier [Axis]: Meta Buyer LLC | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3] 408 408                  
Investment, Identifier [Axis]: Model N, Inc. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[10],[11]         43,774            
Investment, Identifier [Axis]: Model N, Inc. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 4,825 4,825                  
Investment, Identifier [Axis]: Model N, Inc. | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         9,047            
Investment, Identifier [Axis]: Model N, Inc. | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         4,825            
Investment, Identifier [Axis]: Model N, Inc. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[3],[13],[14] 43,553 43,553                  
Investment, Identifier [Axis]: Model N, Inc. | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[16] 4,512 4,512                  
Investment, Identifier [Axis]: NC Topco, LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[10],[11]         5,862            
Investment, Identifier [Axis]: NC Topco, LLC | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         1,672            
Investment, Identifier [Axis]: NC Topco, LLC | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         669            
Investment, Identifier [Axis]: NC Topco, LLC | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[3],[13],[14] 5,833 5,833                  
Investment, Identifier [Axis]: NC Topco, LLC | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[16] 1,672 1,672                  
Investment, Identifier [Axis]: NC Topco, LLC. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 669 669                  
Investment, Identifier [Axis]: National HME, Inc. | Second lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[8],[30],[31]         8,281            
Investment, Identifier [Axis]: Nelipak Holding Company | First lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8],[12]         2,168            
Investment, Identifier [Axis]: Nelipak Holding Company | First lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8],[12],[32]         392            
Investment, Identifier [Axis]: Nelipak Holding Company | First lien - Drawn 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount         123 € 105 [6]          
Investment, Identifier [Axis]: Nelipak Holding Company | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,332 [1],[2],[3],[4] 1,332 [1],[2],[3],[4]     1,332 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Nelipak Holding Company | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 7,322 7,322 € 6,411 [4]   7,529 6,411 [6],[12],[32]          
Investment, Identifier [Axis]: Nelipak Holding Company | First lien - Undrawn 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,366 1,366 1,196 [4]   1,282 1,092 [6],[12],[32]          
Investment, Identifier [Axis]: Nelipak Holding Company | First lien - Undrawn 4                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 2,613 [1],[2],[3],[4] 2,613 [1],[2],[3],[4]     2,221 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Nelipak Holding Company | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 18,589 18,589 € 16,275   19,212 € 16,357 [12],[32]          
Investment, Identifier [Axis]: Nelipak Holding Company | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 8,887 [1],[3],[13],[14] 8,887 [1],[3],[13],[14]     8,932 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Nelipak Holding Company | First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[16] 2,157 2,157                  
Investment, Identifier [Axis]: New ACI Buyer LLC | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [3],[14] 3,572 3,572                  
Investment, Identifier [Axis]: New ACI Buyer LLC | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [3],[13],[14] 1,841 1,841                  
Investment, Identifier [Axis]: New ACI Buyer LLC | First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [2],[3],[16] 1,686 1,686                  
Investment, Identifier [Axis]: New ACI Buyer LLC | Subordinated 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [3],[14] 3,175 3,175                  
Investment, Identifier [Axis]: New ACI Buyer LLC | Subordinated 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [2],[3],[16] 1,499 1,499                  
Investment, Identifier [Axis]: New Benevis Holdco, Inc. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[3],[14],[34] 25,643 25,643                  
Investment, Identifier [Axis]: New Benevis Holdco, Inc. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[11],[31]         51,933            
Investment, Identifier [Axis]: New Benevis Holdco, Inc. | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[8],[12],[31]         45,204            
Investment, Identifier [Axis]: New Benevis Holdco, Inc. | Subordinated                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 28,541 [1],[2],[3],[34] 28,541 [1],[2],[3],[34]     26,878 [5],[7],[8],[31]            
Investment, Identifier [Axis]: New Permian Holdco, L.L.C. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 23,336 [1],[2],[3],[16],[34] 23,336 [1],[2],[3],[16],[34]     23,336 [5],[7],[8],[12],[31]            
Investment, Identifier [Axis]: New Permian Holdco, L.L.C. | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 31,479 [1],[2],[3],[4],[16],[34] 31,479 [1],[2],[3],[4],[16],[34]     28,497 [5],[6],[7],[8],[12],[31]            
Investment, Identifier [Axis]: New Permian Holdco, L.L.C. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 415 [1],[2],[3],[4],[34] 415 [1],[2],[3],[4],[34]     3,397 [5],[6],[7],[8],[31]            
Investment, Identifier [Axis]: Next Holdco, LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 6,232 [1],[3],[13],[14] 6,232 [1],[3],[13],[14]     6,264 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Next Holdco, LLC | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 339 [1],[2],[3],[4] 339 [1],[2],[3],[4]     339 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Notorious Topco, LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[8]         4,692            
Investment, Identifier [Axis]: Notorious Topco, LLC | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 938 [1],[2],[3],[4],[35] 938 [1],[2],[3],[4],[35]     938 [5],[6],[7],[8],[36]            
Investment, Identifier [Axis]: Notorious Topco, LLC | Subordinated                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[8]         2,252            
Investment, Identifier [Axis]: OEConnection LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 6,609 [1],[3],[13],[14] 6,609 [1],[3],[13],[14]     6,609 [5],[10],[11]            
Investment, Identifier [Axis]: OEConnection LLC | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 495 [1],[2],[3],[4] 495 [1],[2],[3],[4]     495 [5],[6],[8]            
Investment, Identifier [Axis]: OEConnection LLC | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 618 [1],[2],[3],[4] 618 [1],[2],[3],[4]     618 [5],[6],[8]            
Investment, Identifier [Axis]: PDI TA Holdings, Inc. | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         1,342            
Investment, Identifier [Axis]: PDI TA Holdings, Inc. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         488            
Investment, Identifier [Axis]: PDI TA Holdings, Inc. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 22,197 [1],[3],[9] 22,197 [1],[3],[9]     22,171 [5],[7],[15]            
Investment, Identifier [Axis]: PDI TA Holdings, Inc. | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,830 [1],[2],[3] 1,830 [1],[2],[3]     509 [5],[7],[8],[12]            
Investment, Identifier [Axis]: PDI TA Holdings, Inc. | First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[16] 510 510                  
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 170 [1],[2],[3],[4],[16] 170 [1],[2],[3],[4],[16]     61 [5],[6],[7],[8],[12]            
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         426            
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 22,050 [1],[3],[9] 22,050 [1],[3],[9]     22,163 [5],[7],[15]            
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 8,134 [1],[3],[13],[14] 8,134 [1],[3],[13],[14]     8,175 [5],[7],[10],[11]            
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 316 316                  
Investment, Identifier [Axis]: PPVA Black Elk (Equity) LLC | Claim                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3] 14,500 14,500                  
Investment, Identifier [Axis]: PPVA Black Elk (Equity) LLC | Subordinated                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[8]         14,500            
Investment, Identifier [Axis]: PPVA Black Elk (Equity) LLC, Subordinated                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount                     $ 20,000
Investment, Identifier [Axis]: PPVA Fund, L.P. | Claim                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [3],[37] 0 0                  
Investment, Identifier [Axis]: PPVA Fund, L.P. | Collateralized Financing                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[38],[39]         0            
Investment, Identifier [Axis]: Permian Trust | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 3,409 [1],[2],[3],[24] 3,409 [1],[2],[3],[24]     3,409 [5],[7],[8],[25]            
Investment, Identifier [Axis]: Permian Trust | Trust Claim                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 247 [1],[3],[24],[40] 247 [1],[3],[24],[40]     247 [5],[7],[25],[41]            
Investment, Identifier [Axis]: PetVet Care Centers, LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 27,719 [1],[3],[13],[14] 27,719 [1],[3],[13],[14]     27,861 [5],[7],[10],[11]            
Investment, Identifier [Axis]: PetVet Care Centers, LLC | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,112 [1],[2],[3],[4],[16] 1,112 [1],[2],[3],[4],[16]     371 [5],[6],[7],[8],[12]            
Investment, Identifier [Axis]: PetVet Care Centers, LLC | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 2,596 [1],[2],[3],[4] 2,596 [1],[2],[3],[4]     3,337 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Planview Parent, Inc. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [2],[3],[16] 3,755 3,755                  
Investment, Identifier [Axis]: Planview Parent, Inc. | Second lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 9,231 [1],[2],[3],[16] 9,231 [1],[2],[3],[16]     9,231 [5],[7],[8],[12]            
Investment, Identifier [Axis]: Power Grid Holdings, Inc. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[15]         15,597            
Investment, Identifier [Axis]: Power Grid Holdings, Inc. | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         429            
Investment, Identifier [Axis]: Power Grid Holdings, Inc. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         3,861            
Investment, Identifier [Axis]: Project Accelerate Parent, LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 10,360 [1],[3],[22] 10,360 [1],[3],[22]     10,413 [5],[7],[23]            
Investment, Identifier [Axis]: Project Accelerate Parent, LLC | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,510 [1],[2],[3],[4] 1,510 [1],[2],[3],[4]     1,510 [5],[6],[7],[8]            
Investment, Identifier [Axis]: RLG Holdings, LLC | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 18,577 [1],[2],[3],[16] 18,577 [1],[2],[3],[16]     7,184 [5],[10],[11]            
Investment, Identifier [Axis]: RLG Holdings, LLC | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 7,147 [1],[3],[13],[14] 7,147 [1],[3],[13],[14]     4,163 [5],[10],[11]            
Investment, Identifier [Axis]: RLG Holdings, LLC | First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[3],[13],[14] 4,142 4,142                  
Investment, Identifier [Axis]: RLG Holdings, LLC | First lien 4                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[16] 1,191 1,191                  
Investment, Identifier [Axis]: RLG Holdings, LLC | Second lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[16] 10,768 10,768                  
Investment, Identifier [Axis]: RailPros Parent, LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 5,799 [1],[3],[13],[14] 5,799 [1],[3],[13],[14]     5,828 [5],[7],[10],[11]            
Investment, Identifier [Axis]: RailPros Parent, LLC | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 538 538                  
Investment, Identifier [Axis]: RailPros Parent, LLC | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,258 [1],[2],[3],[4] 1,258 [1],[2],[3],[4]     899 [5],[6],[7],[8]            
Investment, Identifier [Axis]: RailPros Parent, LLC | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 899 [1],[2],[3],[4] 899 [1],[2],[3],[4]     1,798 [5],[6],[7],[8]            
Investment, Identifier [Axis]: RealPage, Inc. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [3],[13],[14] 1,958 1,958                  
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC | Trust Claim 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 152 [1],[3],[14] 152 [1],[3],[14]     152 [5],[7],[11]            
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC | Trust Claim 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 52 [1],[2],[3] 52 [1],[2],[3]     52 [5],[7],[8]            
Investment, Identifier [Axis]: Riskonnect Parent, LLC | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         6,349            
Investment, Identifier [Axis]: Sierra Enterprises, LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 21,250 [1],[3],[13],[14] 21,250 [1],[3],[13],[14]     21,357 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Sierra Enterprises, LLC | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 2,717 [1],[2],[3],[4] 2,717 [1],[2],[3],[4]     2,717 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc. | Series A preferred shares                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 19,839 19,839     25,639            
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc. | Series A preferred shares | Non-accrual status                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Unearned income 709 709                  
Investment, Identifier [Axis]: TMK Hawk Parent, Corp. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 2,695 [1],[2],[3],[4],[42] 2,695 [1],[2],[3],[4],[42]     2,695 [5],[6],[7],[8],[43]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 27,414 [1],[2],[3],[16] 27,414 [1],[2],[3],[16]     22,939 [5],[7],[8],[12]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp. | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 10,238 [1],[2],[3],[16] 10,238 [1],[2],[3],[16]     4,057 [5],[7],[8],[12]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp. | Subordinated 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 356 [1],[3],[14] 356 [1],[3],[14]     337 [5],[7],[11]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp. | Subordinated 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 412 [1],[2],[3] 412 [1],[2],[3]     325 [5],[7],[8]            
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC | Class B-1 Common Shares                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 48,080 48,080     48,080            
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC | Class B-2 Common Shares                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 29,707 29,707     29,707            
Investment, Identifier [Axis]: Tempo Acquisition, LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [2],[3],[16],[20] 27,536 27,536                  
Investment, Identifier [Axis]: Tennessee Bidco Limited | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 20,017 [1],[2],[3],[16] 20,017 [1],[2],[3],[16]     19,815 [5],[7],[8],[12]            
Investment, Identifier [Axis]: Tennessee Bidco Limited | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 16,411 [1],[3],[13],[14] 16,411 [1],[3],[13],[14]     16,245 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Tennessee Bidco Limited | First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 899 [1],[3],[13],[14] 899 [1],[3],[13],[14]     890 [5],[7],[10],[11]            
Investment, Identifier [Axis]: TigerConnect, Inc. | First lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[11]         3,741            
Investment, Identifier [Axis]: TigerConnect, Inc. | First lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         42            
Investment, Identifier [Axis]: TigerConnect, Inc. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 4,267 [1],[2],[3],[4] 4,267 [1],[2],[3],[4]     4,267 [5],[6],[7],[8]            
Investment, Identifier [Axis]: TigerConnect, Inc. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 29,875 [1],[2],[3],[16] 29,875 [1],[2],[3],[16]     29,875 [5],[7],[8],[12]            
Investment, Identifier [Axis]: TigerConnect, Inc. | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 3,741 [1],[3],[14] 3,741 [1],[3],[14]     3,054 [5],[7],[8],[12]            
Investment, Identifier [Axis]: TigerConnect, Inc. | First lien 3                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[16] 3,054 3,054                  
Investment, Identifier [Axis]: TigerConnect, Inc. | First lien 4                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3] 42 42                  
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 818 [1],[2],[3],[4] 818 [1],[2],[3],[4]     818 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 8,303 [1],[3],[13],[14] 8,303 [1],[3],[13],[14]     8,345 [5],[7],[10],[11]            
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 2,784 [1],[3],[13],[14] 2,784 [1],[3],[13],[14]     2,798 [5],[7],[10],[11]            
Investment, Identifier [Axis]: USRP Holdings, Inc. | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 12,331 [1],[3],[13],[14] 12,331 [1],[3],[13],[14]     12,396 [5],[7],[10],[11]            
Investment, Identifier [Axis]: USRP Holdings, Inc. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 893 [1],[2],[3],[4] 893 [1],[2],[3],[4]     893 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Ultimus Group Midco, LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[10],[11]         9,116            
Investment, Identifier [Axis]: Ultimus Group Midco, LLC | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         1,139            
Investment, Identifier [Axis]: Ultimus Group Midco, LLC | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         3,039            
Investment, Identifier [Axis]: Vehlo Purchaser, LLC | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 6,042 [1],[2],[3] 6,042 [1],[2],[3]     6,073 [5],[8]            
Investment, Identifier [Axis]: Viper Bidco,Inc. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 15,718 15,718                  
Investment, Identifier [Axis]: Viper Bidco. Inc. | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,838 [1],[2],[3],[4] 1,838 [1],[2],[3],[4]     1,838 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Viper Bidco. Inc. | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 3,320 [1],[2],[3],[4] 3,320 [1],[2],[3],[4]     3,320 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Viper Bidco. Inc. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount       £ 11,850 16,051   £ 11,910        
Investment, Identifier [Axis]: Viper Bidco. Inc. | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 2,294 [1],[2],[3],[16] 2,294 [1],[2],[3],[16]     2,306 [5],[7],[8],[12]            
Investment, Identifier [Axis]: WEG Sub Intermediate Holdings, LLC | Subordinated                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 4,977 [1],[2],[3] 4,977 [1],[2],[3]     4,665 [5],[7],[8]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 2,040 [1],[2],[3],[4] 2,040 [1],[2],[3],[4]     2,040 [5],[6],[7],[8]            
Investment, Identifier [Axis]: Xactly Corporation | First lien                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 22,500 [1],[3],[9] 22,500 [1],[3],[9]     22,500 [5],[7],[15]            
Investment, Identifier [Axis]: Xactly Corporation | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 992 [1],[2],[3],[4] 992 [1],[2],[3],[4]     992 [5],[6],[7],[8]            
Investment, Identifier [Axis]: YLG Holdings, Inc. | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         394            
Investment, Identifier [Axis]: YLG Holdings, Inc. | First lien - Drawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 392 392                  
Investment, Identifier [Axis]: YLG Holdings, Inc. | First lien - Drawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [1],[2],[3],[4] 29 29                  
Investment, Identifier [Axis]: YLG Holdings, Inc. | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 271 [1],[2],[3],[4] 271 [1],[2],[3],[4]     271 [5],[6],[7],[8]            
Investment, Identifier [Axis]: YLG Holdings, Inc. | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 281 [1],[2],[3],[4] 281 [1],[2],[3],[4]     309 [5],[6],[7],[8]            
Investment, Identifier [Axis]: YLG Holdings, Inc. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 21,552 [1],[3],[22] 21,552 [1],[3],[22]     21,661 [5],[7],[23]            
Investment, Identifier [Axis]: YLG Holdings, Inc. | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 4,287 [1],[3],[13],[14] 4,287 [1],[3],[13],[14]     4,309 [5],[7],[10],[11]            
Investment, Identifier [Axis]: eResearchTechnology, Inc. | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8],[12]         301            
Investment, Identifier [Axis]: eResearchTechnology, Inc. | First lien - Undrawn 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         1,847            
Investment, Identifier [Axis]: eResearchTechnology, Inc. | First lien - Undrawn 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[6],[7],[8]         1,074            
Investment, Identifier [Axis]: eResearchTechnology, Inc. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[10],[11]         11,380            
Investment, Identifier [Axis]: eResearchTechnology, Inc. | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[8],[12]         1,889            
Investment, Identifier [Axis]: iCIMS, Inc. | First lien - Drawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 1,024 [1],[2],[3],[4] 1,024 [1],[2],[3],[4]     1,165 [5],[6],[7],[8]            
Investment, Identifier [Axis]: iCIMS, Inc. | First lien - Undrawn                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount 2,506 [1],[2],[3],[4] 2,506 [1],[2],[3],[4]     2,365 [5],[6],[7],[8]            
Investment, Identifier [Axis]: iCIMS, Inc. | First lien 1                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount $ 7,366 [1],[2],[3],[16] $ 7,366 [1],[2],[3],[16]     44,742 [5],[7],[8],[12]            
Investment, Identifier [Axis]: iCIMS, Inc. | First lien 2                      
Investment Company, Nonconsolidated Subsidiary [Line Items]                      
Principal amount [5],[7],[8],[12]         $ 7,366            
[1] 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
[2] Investment is held by New Mountain Finance Corporation.
[3] Par amount is denominated in United States Dollar unless otherwise noted, which may include British Pound ("£") and/or Euro ("€")
[4] Par value amounts represent the drawn or undrawn (as indicated in type of investment) portion of revolvers 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
[5] Par amount is denominated in United States Dollar unless otherwise noted, which may include British Pound ("£") and/or Euro ("€").
[6] 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.
[7] 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.
[8] Investment is held by New Mountain Finance Corporation
[9] Investment is held by New Mountain Finance SBIC, L.P.
[10] 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.
[11] Investment is held by New Mountain Finance Holdings, L.L.C.
[12] 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
[13] 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
[14] Investment is held by New Mountain Finance Holdings, L.L.C.
[15] Investment is held by New Mountain Finance SBIC, L.P.
[16] 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
[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 Company's preferred equity investment is entitled to receive cumulative preferred dividends that are calculated using the stated value of the Company's equity investment plus the aggregate unpaid compounded dividends as of the date of determination. As of December 31, 2025, the Company's stated value of its equity investment, plus unpaid compounded dividends, was $20,249.
[18] 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.
[19] 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.
[20] 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 June 30, 2026, 19.7% of the Company’s total assets are represented by investments at fair value that are considered non-qualifying assets.
[21] 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, 2025, 15.4% of the Company’s total assets are represented by investments at fair value that are considered non-qualifying assets.
[22] Investment is held by New Mountain Finance SBIC II, L.P.
[23] Investment is held by New Mountain Finance SBIC II, L.P.
[24] Denotes investments in which the Company is an “Affiliated Person”, as defined in the Investment Company Act of 1940, as amended (the "1940 Act"), due to owning or holding the power to vote 5.0% or more of the outstanding voting securities of the investment but not controlling the company. Fair value as of June 30, 2026 and December 31, 2025, along with transactions during the six months ended June 30, 2026 in which the issuer was a non-controlled/affiliated investment, is as follows:
Portfolio CompanyFair Value at December 31, 2025Gross Additions (A)Gross Redemptions (B)Net Change In Unrealized Appreciation (Depreciation)Fair Value at June 30, 2026Net Realized Gains (Losses)Interest IncomeDividend IncomeOther Income
Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.) / Eagle Infrastructure Super HoldCo, LLC$18,337 $— $— $6,141 $24,478 $— $625 $735 $— 
Sierra Hamilton Holdings Corporation2,000 — — — 2,000 — — — — 
TVG-Edmentum Holdings, LLC / Edmentum Ultimate Holdings, LLC40,365 3,119 — (9)43,475 — 2,454 666 125 
Total Non-Controlled/Affiliated Investments$60,702 $3,119 $— $6,132 $69,953 $— $3,079 $1,401 $125 
(A)Gross additions include increases in the cost basis of investments resulting from new portfolio investments, payment-in-kind (“PIK”) interest or dividends, the amortization of discounts, reorganizations or restructurings and the movement of an existing portfolio company into this category from a different category.
(B)Gross redemptions include decreases in the cost basis of investments resulting from principal collections related to investment repayments or sales, reorganizations or restructurings and the movement of an existing portfolio company out of this category into a different category.
[25] Denotes investments in which the Company is an “Affiliated Person”, as defined in the Investment Company Act of 1940, as amended (the "1940 Act"), due to owning or holding the power to vote 5.0% or more of the outstanding voting securities of the investment but not controlling the company. Fair value as of December 31, 2025 and December 31, 2024 along with transactions during the year ended December 31, 2025 in which the issuer was a non-controlled/affiliated investment is as follows:
Portfolio CompanyFair Value at December 31, 2024Gross
Additions (A)		Gross
Redemptions
(B)		Net Change In Unrealized Appreciation (Depreciation)Fair Value at December 31, 2025Net Realized Gains (Losses)Interest
Income		Dividend
Income		Other
Income
Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.) / Eagle Infrastructure Super HoldCo, LLC$19,156 $— $— $(819)$18,337 $— $1,321 $— $— 
Sierra Hamilton Holdings Corporation2,000 — — — 2,000 — — — — 
TVG-Edmentum Holdings, LLC / Edmentum Ultimate Holdings, LLC91,620 6,967 — (58,222)40,365 — 4,357 2,594 250 
Total Non-Controlled/Affiliated Investments$112,776 $6,967 $— $(59,041)$60,702 $— $5,678 $2,594 $250 
(A)Gross additions include increases in the cost basis of investments resulting from new portfolio investments, payment-in-kind (“PIK”) interest or dividends, the amortization of discounts, reorganizations or restructurings and the movement of an existing portfolio company into this category from a different category.
(B)Gross redemptions include decreases in the cost basis of investments resulting from principal collections related to investment repayments or sales, reorganizations or restructurings and the movement of an existing portfolio company out of this category into a different category.
[26] 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. The Company's preferred equity investment is entitled to receive cumulative preferred dividends that are calculated using the stated value of the Company's equity investment plus the aggregate unpaid compounded dividends as of the date of determination. As of June 30, 2026, the Company's stated value of its equity investment, plus unpaid compounded dividends, was $1,632.
[27] 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. The Company's preferred equity investment is entitled to receive cumulative preferred dividends that are calculated using the stated value of the Company's equity investment plus the aggregate unpaid compounded dividends as of the date of determination. As of December 31, 2025, the Company's stated value of its equity investment, plus unpaid compounded dividends, was $2,226.
[28] The Company holds preferred shares and Class B-1 and Class B-2 of common equity in TVG-Edmentum Holdings, LLC and subordinated notes in Edmentum Ultimate Holdings, LLC, a wholly-owned subsidiary of TVG-Edmentum Holdings, LLC. As of June 30, 2026, the Company's stated value of the Company's Class B-1 and Class B-2 common equity investments, plus unpaid compounded dividends, was $48,080 and $29,707, respectively.
[29] The Company holds ordinary shares and Class B-1 and B-2 of preferred equity in TVG-Edmentum Holdings, LLC, and subordinated notes in Edmentum Ultimate Holdings, LLC, a wholly-owned subsidiary of TVG-Edmentum Holdings, LLC. As of December 31, 2025, the Company's stated value of the Company's Class B-1 and Class B-2 preferred equity investments, plus unpaid compounded dividends, was $48,080 and $29,707, respectively.
[30] 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%.
[31] Denotes investments in which the Company “Controls”, as defined in the 1940 Act, due to owning or holding the power to vote more than 25.0% of the outstanding voting securities of the investment. Fair value as of December 31, 2025 and December 31, 2024 along with transactions during the year ended December 31, 2025 in which the issuer was a controlled investment, is as follows:
Portfolio CompanyFair Value at December 31, 2024Gross
Additions
(A)		Gross
Redemptions
(B)		Net Change In
Unrealized
Appreciation
(Depreciation)		Fair Value at December 31, 2025Net Realized Gains (Losses)Interest
Income		Dividend
Income		Other
Income
National HME, Inc./NHME Holdings Corp.$3,000 $— $— $(3,000)$— $— $— $— $— 
New Benevis Topco, LLC / New Benevis Holdco, Inc.140,102 21,456 — (7,094)154,464 — 14,309 — 1,383 
New Permian Holdco, Inc. / New Permian Holdco, L.L.C.63,076 7,657 — (6,900)63,833 — 5,759 — 500 
NM NL Holdings, L.P.104,512 — — 1,584 106,096 — — 8,740 — 
NM GP Holdco, LLC322 — — 68 390 — — 44 — 
NM YI LLC9,960 — — (1,319)8,641 — — 886 — 
NMFC Senior Loan Program III LLC160,000 — — — 160,000 — — 22,600 — 
NMFC Senior Loan Program IV LLC112,400 — — — 112,400 — — 15,315 — 
UniTek Global Services, Inc.107,524 72,385 (60,582)(46,146)73,181 38,898 516 10,851 1,070 
Total Controlled Investments$700,896 $101,498 $(60,582)$(62,807)$679,005 $38,898 $20,584 $58,436 $2,953 

(A)Gross additions include increases in the cost basis of investments resulting from new portfolio investments, PIK interest or dividends, the amortization of discounts, reorganizations or restructurings and the movement of an existing portfolio company into this category from a different category.
(B)Gross redemptions include decreases in the cost basis of investments resulting from principal collections related to investment repayments or sales, reorganizations or restructurings and the movement of an existing portfolio company out of this category into a different category.
[32] Investment is denominated in foreign currency and is translated into U.S. dollars as of the valuation date. As of December 31, 2025, the par value U.S. dollar equivalent of the Viper Bidco, Inc. first lien term loans is $16,051 and the Nelipak Holding Company first lien term loan, undrawn delayed draw term loan, undrawn revolver and drawn revolver is $19,212, $7,529, $1,282 and $123, respectively. See Note 2. Summary of Significant Accounting Policies, for details.
[33] Investment is denominated in foreign currency and is translated into U.S. dollars as of the valuation date. As of June 30, 2026, the par value U.S. dollar equivalent of the Viper Bidco, Inc. first lien term loans is $15,718 and the Nelipak Holding Company first lien term loan, undrawn delayed draw term loan and undrawn revolver is $18,589, $7,322 and $1,366, respectively. See Note 2. Summary of Significant Accounting Policies, for details.
[34] Denotes investments in which the Company "controls", as defined in the 1940 Act, due to owning or holding the power to vote more than 25.0% of the outstanding voting securities of the investment. Fair value as of June 30, 2026 and December 31, 2025, along with transactions during the six months ended June 30, 2026 in which the issuer was a controlled investment, is as follows:
Portfolio CompanyFair Value at December 31, 2025Gross Additions (A)Gross Redemptions (B)Net Change In Unrealized Appreciation (Depreciation)Fair Value at June 30, 2026Net Realized Gains (Losses)Interest IncomeDividend IncomeOther Income
National HME, Inc./NHME Holdings Corp.$— $— $(12,872)$12,872 $— $(12,872)$— $— $— 
New Benevis Topco, LLC / New Benevis Holdco, Inc.154,464 7,255 (76,831)5,199 90,087 (5,717)5,147 — — 
New Permian Holdco, Inc. / New Permian Holdco, L.L.C.63,833 2,982 — (1,000)65,815 — 2,983 — 250 
NM NL Holdings, L.P.106,096 5,926 (3,729)4,010 112,303 (2)— 4,400 99 
NM GP Holdco, LLC390 75 (19)(28)418 — — 22 — 
NM YI LLC8,641 — — 46 8,687 — — 466 — 
NMFC Senior Loan Program III LLC160,000 — — (2,128)157,872 — — 10,560 — 
NMFC Senior Loan Program IV LLC112,400 — — (6,868)105,532 — — 7,166 — 
UniTek Global Services, Inc.73,181 6,609 — 9,739 89,529 — — 6,610 500 
Total Controlled Investments$679,005 $22,847 $(93,451)$21,842 $630,243 $(18,591)$8,130 $29,224 $849 
(A)Gross additions include increases in the cost basis of investments resulting from new portfolio investments, PIK interest or dividends, the amortization of discounts, reorganizations or restructurings and the movement of an existing portfolio company into this category from a different category.
(B)Gross redemptions include decreases in the cost basis of investments resulting from principal collections related to investment repayments or sales, reorganizations or restructurings and the movement of an existing portfolio company out of this category into a different category.
[35] The Company holds common units in Notorious Buyer, LLC, and a first lien term loan, a subordinated loan, and a first lien revolver in Notorious Topco, LLC and Notorious Holdings, LLC, two wholly-owned subsidiaries of Notorious Buyer, LLC.
[36] The Company holds common units in Notorious Buyer, LLC, and a first lien term loan, a subordinated loan, and a first lien revolver in Notorious Topco, LLC and Notorious Holdings, LLC, two wholly-owned subsidiaries of Notorious Buyer, LLC.
[37] The Company holds one claim related to 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 $5,700 as of June 30, 2026. See Note 2. Summary of Significant Accounting Policies, for details.
[38] Investment is on non-accrual status as of December 31, 2025. See Note 3. Investments, for details.
[39] 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, 2025. See Note 2. Summary of Significant Accounting Policies, for details.
[40] Investment is held by NMF Permian Holdings, LLC.
[41] Investment is held by NMF Permian Holdings, LLC.
[42] The Company holds Class A-1 Common Units in Ambrosia Topco LLC and two first lien term loans, two subordinated loans and a first lien delayed draw in TMK Hawk Parent, Corp., a wholly-owned subsidiary of Ambrosia Topco LLC
[43] The Company holds Class A-1 Common Units in Ambrosia Topco LLC and two first lien term loans, a subordinated loan and a first lien delayed draw in TMK Hawk Parent, Corp., a wholly-owned subsidiary of Ambrosia Topco LLC.