v3.26.1
Investments - NMFC Senior Loan Program IV LLC (Details)
€ in Thousands, £ in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended 7 Months Ended
Jul. 11, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2026
USD ($)
Jul. 10, 2025
USD ($)
Jun. 30, 2026
EUR (€)
 [3],[4],[11],[20],[52]
Jun. 30, 2026
GBP (£)
 [3],[4],[11],[20],[52]
Dec. 31, 2025
USD ($)
Dec. 31, 2025
EUR (€)
 [7],[8],[12]
Dec. 31, 2025
GBP (£)
 [7],[8],[12],[16],[51]
Dec. 31, 2024
USD ($)
Sep. 30, 2023
USD ($)
Sep. 30, 2021
USD ($)
Mar. 31, 2021
USD ($)
May 03, 2013
USD ($)
Schedule of Investments [Line Items]                            
Cost   $ 2,464,428 [1] $ 2,464,428 [1]       $ 2,912,115 [2]              
Investments at fair value   2,289,805 [1] 2,289,805 [1]       2,742,013 [2]              
Investment, Identifier [Axis]: AAC Lender Holdings, LLC | Ordinary Shares                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[5]   0 0                      
Investments at fair value [3],[4],[5]   0 0                      
Investment, Identifier [Axis]: AAC Lender Holdings, LLC | Ordinary shares                            
Schedule of Investments [Line Items]                            
Cost [6],[7],[8]             0              
Investments at fair value [6],[7],[8]             0              
Investment, Identifier [Axis]: AAH Topco, LLC | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (37) [3],[4],[9] (37) [3],[4],[9]       (37) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   3,659 [3],[4],[9],[11] 3,659 [3],[4],[9],[11]       3,659 [7],[8],[10],[12]              
Investment, Identifier [Axis]: AAH Topco, LLC | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   9,422 [3],[13] 9,422 [3],[13]       22,398 [7],[14],[15]              
Investments at fair value   9,451 [3],[13] 9,451 [3],[13]       22,502 [7],[14],[15]              
Principal amount, par value   9,451 [3],[11],[13] 9,451 [3],[11],[13]       22,502 [7],[12],[14],[15]              
Investment, Identifier [Axis]: AAH Topco, LLC | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   7,237 [3],[13] 7,237 [3],[13]       19,932 [7],[8],[16]              
Investments at fair value   7,263 [3],[13] 7,263 [3],[13]       20,009 [7],[8],[16]              
Principal amount, par value   7,263 [3],[11],[13] 7,263 [3],[11],[13]       20,009 [7],[8],[12],[16]              
Investment, Identifier [Axis]: AAH Topco, LLC | First lien 3                            
Schedule of Investments [Line Items]                            
Cost   5,950 [3],[17],[18] 5,950 [3],[17],[18]       9,463 [7],[19]              
Investments at fair value   5,971 [3],[17],[18] 5,971 [3],[17],[18]       9,500 [7],[19]              
Principal amount, par value   5,971 [3],[11],[17],[18] 5,971 [3],[11],[17],[18]       9,500 [7],[12],[19]              
Investment, Identifier [Axis]: AAH Topco, LLC | First lien 4                            
Schedule of Investments [Line Items]                            
Cost   3,481 [3],[4],[20] 3,481 [3],[4],[20]       7,267 [7],[19]              
Investments at fair value   3,491 [3],[4],[20] 3,491 [3],[4],[20]       7,300 [7],[19]              
Principal amount, par value   3,491 [3],[4],[11],[20] 3,491 [3],[4],[11],[20]       7,300 [7],[12],[19]              
Investment, Identifier [Axis]: AAH Topco, LLC | Subordinated 1                            
Schedule of Investments [Line Items]                            
Cost   7,283 [3],[13] 7,283 [3],[13]       17,527 [7],[8],[16]              
Investments at fair value   7,241 [3],[13] 7,241 [3],[13]       17,418 [7],[8],[16]              
Principal amount, par value   7,327 [3],[11],[13] 7,327 [3],[11],[13]       17,649 [7],[8],[12],[16]              
Investment, Identifier [Axis]: AAH Topco, LLC | Subordinated 2                            
Schedule of Investments [Line Items]                            
Cost   868 [3],[4],[20] 868 [3],[4],[20]       6,873 [7],[19]              
Investments at fair value   864 [3],[4],[20] 864 [3],[4],[20]       6,831 [7],[19]              
Principal amount, par value   874 [3],[4],[11],[20] 874 [3],[4],[11],[20]       6,921 [7],[12],[19]              
Investment, Identifier [Axis]: ACI Group Holdings, Inc. | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             2,307              
Investments at fair value [7],[8],[10]             1,864              
Principal amount, par value [7],[8],[10],[12]             2,330              
Investment, Identifier [Axis]: ACI Group Holdings, Inc. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10],[21]             0              
Investments at fair value [7],[8],[10],[21]             (5)              
Principal amount, par value [7],[8],[10],[12],[21]             24              
Investment, Identifier [Axis]: ACI Group Holdings, Inc. | First lien 1                            
Schedule of Investments [Line Items]                            
Cost [7],[14],[15]             22,547              
Investments at fair value [7],[14],[15]             18,114              
Principal amount, par value [7],[12],[14],[15]             22,643              
Investment, Identifier [Axis]: ACI Group Holdings, Inc. | First lien 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[16]             4,319              
Investments at fair value [7],[8],[16]             3,477              
Principal amount, par value [7],[8],[12],[16]             4,346              
Investment, Identifier [Axis]: ACI Group Holdings, Inc. | First lien 3                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[16]             3,994              
Investments at fair value [7],[8],[16]             3,211              
Principal amount, par value [7],[8],[12],[16]             4,014              
Investment, Identifier [Axis]: ACI Parent Inc. | Preferred shares                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[21]             20,124              
Investments at fair value [7],[8],[21]             2,087              
Principal amount, par value             20,249              
Investment, Identifier [Axis]: AI Altius US Bidco, Inc. | First lien                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[16]             3,051              
Investments at fair value [7],[8],[16]             3,062              
Principal amount, par value [7],[8],[12],[16]             3,062              
Investment, Identifier [Axis]: AI Altius US Bidco, Inc. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             0              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             3,077              
Investment, Identifier [Axis]: AWP Group Holdings, Inc. | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9],[20]   358 358                      
Investments at fair value [3],[4],[9],[20]   358 358                      
Principal amount, par value [3],[4],[9],[11],[20]   359 359                      
Investment, Identifier [Axis]: AWP Group Holdings, Inc. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   (4) (4)                      
Investments at fair value [3],[4],[9]   (4) (4)                      
Principal amount, par value [3],[4],[9],[11]   1,005 1,005                      
Investment, Identifier [Axis]: AWP Group Holdings, Inc. | First lien 1                            
Schedule of Investments [Line Items]                            
Cost [3],[17],[18]   8,629 8,629                      
Investments at fair value [3],[17],[18]   8,628 8,628                      
Principal amount, par value [3],[11],[17],[18]   8,660 8,660                      
Investment, Identifier [Axis]: Acumatica Holdings, Inc. | First lien                            
Schedule of Investments [Line Items]                            
Cost   13,759 [3],[17],[18] 13,759 [3],[17],[18]       39,188 [7],[14],[15]              
Investments at fair value   13,713 [3],[17],[18] 13,713 [3],[17],[18]       39,188 [7],[14],[15]              
Principal amount, par value   13,759 [3],[11],[17],[18] 13,759 [3],[11],[17],[18]       39,188 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Acumatica Holdings, Inc. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Investments at fair value   (31) [3],[4],[9] (31) [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   9,403 [3],[4],[9],[11] 9,403 [3],[4],[9],[11]       9,403 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Adelaide Borrower, LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost   4,746 [3],[4],[20] 4,746 [3],[4],[20]       4,743 [7],[8],[16]              
Investments at fair value   4,748 [3],[4],[20] 4,748 [3],[4],[20]       4,780 [7],[8],[16]              
Principal amount, par value   4,780 [3],[4],[11],[20] 4,780 [3],[4],[11],[20]       4,780 [7],[8],[12],[16]              
Investment, Identifier [Axis]: Adelaide Borrower, LLC | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost   53 [3],[4],[9],[20] 53 [3],[4],[9],[20]       119 [7],[8],[10],[16]              
Investments at fair value   53 [3],[4],[9],[20] 53 [3],[4],[9],[20]       120 [7],[8],[10],[16]              
Principal amount, par value   53 [3],[4],[9],[11],[20] 53 [3],[4],[9],[11],[20]       120 [7],[8],[10],[12],[16]              
Investment, Identifier [Axis]: Adelaide Borrower, LLC | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost   (6) [3],[4],[9] (6) [3],[4],[9]       0 [7],[8],[10]              
Investments at fair value   (4) [3],[4],[9] (4) [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   613 [3],[4],[9],[11] 613 [3],[4],[9],[11]       1,048 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Adelaide Borrower, LLC | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost   0 [3],[4],[9] 0 [3],[4],[9]       (5) [7],[8],[10]              
Investments at fair value   (7) [3],[4],[9] (7) [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   1,048 [3],[4],[9],[11] 1,048 [3],[4],[9],[11]       547 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Alegeus Technologies Holdings Corp. | First lien                            
Schedule of Investments [Line Items]                            
Cost   8,094 [4],[20] 8,094 [4],[20]       8,297 [7],[8],[16]              
Investments at fair value   8,170 [4],[20] 8,170 [4],[20]       8,382 [7],[8],[16]              
Principal amount, par value   8,170 [4],[11],[20] 8,170 [4],[11],[20]       8,382 [7],[8],[12],[16]              
Investment, Identifier [Axis]: Ambrosia Topco LLC | Class A-1 Common Units 1                            
Schedule of Investments [Line Items]                            
Cost [3],[18]   1,348 1,348                      
Investments at fair value [3],[18]   349 349                      
Investment, Identifier [Axis]: Ambrosia Topco LLC | Class A-1 Common Units 2                            
Schedule of Investments [Line Items]                            
Cost [3],[4]   1,300 1,300                      
Investments at fair value [3],[4]   337 337                      
Investment, Identifier [Axis]: Ambrosia Topco LLC | Class A-1 common units 1                            
Schedule of Investments [Line Items]                            
Cost [7],[15]             1,348              
Investments at fair value [7],[15]             590              
Investment, Identifier [Axis]: Ambrosia Topco LLC | Class A-1 common units 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8]             1,300              
Investments at fair value [7],[8]             569              
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (10) [3],[4],[9] (10) [3],[4],[9]       (10) [7],[8],[10]              
Investments at fair value   (109) [3],[4],[9] (109) [3],[4],[9]       (15) [7],[8],[10]              
Principal amount, par value   1,969 [3],[4],[9],[11] 1,969 [3],[4],[9],[11]       1,969 [7],[8],[10],[12]              
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc. | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   18,640 [3],[4],[20] 18,640 [3],[4],[20]       18,729 [7],[8],[16]              
Investments at fair value   17,635 [3],[4],[20] 17,635 [3],[4],[20]       18,626 [7],[8],[16]              
Principal amount, par value   18,672 [3],[4],[11],[20] 18,672 [3],[4],[11],[20]       18,769 [7],[8],[12],[16]              
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc. | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   5,187 [3],[17],[18] 5,187 [3],[17],[18]       5,211 [7],[14],[15]              
Investments at fair value   4,908 [3],[17],[18] 4,908 [3],[17],[18]       5,183 [7],[14],[15]              
Principal amount, par value   5,196 [3],[11],[17],[18] 5,196 [3],[11],[17],[18]       5,223 [7],[12],[14],[15]              
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc. | First lien 3                            
Schedule of Investments [Line Items]                            
Cost   681 [3],[4],[20] 681 [3],[4],[20]       684 [7],[8],[16]              
Investments at fair value   645 [3],[4],[20] 645 [3],[4],[20]       681 [7],[8],[16]              
Principal amount, par value   682 [3],[4],[11],[20] 682 [3],[4],[11],[20]       686 [7],[8],[12],[16]              
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) | First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value   31,406 31,406                      
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   0 [3],[4],[5],[9] 0 [3],[4],[5],[9]       0 [6],[7],[8],[10]              
Investments at fair value   0 [3],[4],[5],[9] 0 [3],[4],[5],[9]       0 [6],[7],[8],[10]              
Principal amount, par value   2,652 [3],[4],[5],[9],[11] 2,652 [3],[4],[5],[9],[11]       2,652 [6],[7],[8],[10],[12]              
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   29,842 [3],[4],[20] 29,842 [3],[4],[20]       29,842 [7],[8],[16]              
Investments at fair value   16,000 [3],[4],[20] 16,000 [3],[4],[20]       17,999 [7],[8],[16]              
Principal amount, par value   29,879 [3],[4],[11],[20] 29,879 [3],[4],[11],[20]       29,879 [7],[8],[12],[16]              
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   1,527 [3],[4] 1,527 [3],[4]       1,527 [7],[8]              
Investments at fair value   0 [3],[4] 0 [3],[4]       0 [7],[8]              
Principal amount, par value   1,527 [3],[4],[11] 1,527 [3],[4],[11]       1,527 [7],[8],[12]              
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) | First lien | Non-accrual status                            
Schedule of Investments [Line Items]                            
Principal amount, par value                     $ 17,927 $ 13,479    
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) | Subordinated                            
Schedule of Investments [Line Items]                            
Cost   0 [3],[4] 0 [3],[4]       0 [7],[8]              
Investments at fair value   0 [3],[4] 0 [3],[4]       0 [7],[8]              
Principal amount, par value   5,230 [3],[4],[11] 5,230 [3],[4],[11]       5,230 [7],[8],[12]              
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) | Subordinated | Non-accrual status                            
Schedule of Investments [Line Items]                            
Principal amount, par value                         $ 5,230  
Investment, Identifier [Axis]: Anaplan, Inc. | First lien                            
Schedule of Investments [Line Items]                            
Cost [7],[14],[15]             10,456              
Investments at fair value [7],[14],[15]             10,513              
Principal amount, par value [7],[12],[14],[15]             10,513              
Investment, Identifier [Axis]: Associations, Inc. | First lien                            
Schedule of Investments [Line Items]                            
Cost   29,862 [3],[4],[20] 29,862 [3],[4],[20]       48,915 [7],[8],[16]              
Investments at fair value   29,871 [3],[4],[20] 29,871 [3],[4],[20]       48,932 [7],[8],[16]              
Principal amount, par value   29,871 [3],[4],[11],[20] 29,871 [3],[4],[11],[20]       48,932 [7],[8],[12],[16]              
Investment, Identifier [Axis]: Associations, Inc. | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost   2,009 [3],[4],[9] 2,009 [3],[4],[9]       1,639 [7],[8],[10]              
Investments at fair value   2,010 [3],[4],[9] 2,010 [3],[4],[9]       1,639 [7],[8],[10]              
Principal amount, par value   2,010 [3],[4],[9],[11] 2,010 [3],[4],[9],[11]       1,639 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Associations, Inc. | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost   (1) [3],[4],[9] (1) [3],[4],[9]       (1) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   1,806 [3],[4],[9],[11] 1,806 [3],[4],[9],[11]       2,186 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Associations, Inc. | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost   (2) [3],[4],[9] (2) [3],[4],[9]       (2) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   3,077 [3],[4],[9],[11] 3,077 [3],[4],[9],[11]       3,077 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Associations, Inc. | Subordinated 1                            
Schedule of Investments [Line Items]                            
Cost   9,828 [3],[4] 9,828 [3],[4]       9,158 [7],[8]              
Investments at fair value   9,842 [3],[4] 9,842 [3],[4]       9,356 [7],[8]              
Principal amount, par value   9,842 [3],[4],[11] 9,842 [3],[4],[11]       9,173 [7],[8],[12]              
Investment, Identifier [Axis]: Associations, Inc. | Subordinated 2                            
Schedule of Investments [Line Items]                            
Cost   3,753 [3],[4] 3,753 [3],[4]       3,497 [7],[8]              
Investments at fair value   3,758 [3],[4] 3,758 [3],[4]       3,593 [7],[8]              
Principal amount, par value   3,758 [3],[4],[11] 3,758 [3],[4],[11]       3,503 [7],[8],[12]              
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (6) [3],[4],[9],[22] (6) [3],[4],[9],[22]       (6) [7],[8],[10],[23]              
Investments at fair value   (16) [3],[4],[9],[22] (16) [3],[4],[9],[22]       0 [7],[8],[10],[23]              
Principal amount, par value   790 [3],[4],[9],[11],[22] 790 [3],[4],[9],[11],[22]       790 [7],[8],[10],[12],[23]              
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   4,432 [3],[17],[18] 4,432 [3],[17],[18]       4,453 [7],[14],[15]              
Investments at fair value   4,352 [3],[17],[18] 4,352 [3],[17],[18]       4,463 [7],[14],[15]              
Principal amount, par value   4,441 [3],[11],[17],[18] 4,441 [3],[11],[17],[18]       4,463 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   3,364 [3],[4],[20] 3,364 [3],[4],[20]       3,377 [7],[8],[16]              
Investments at fair value   3,325 [3],[4],[20] 3,325 [3],[4],[20]       3,411 [7],[8],[16]              
Principal amount, par value   3,393 [3],[4],[11],[20] 3,393 [3],[4],[11],[20]       3,411 [7],[8],[12],[16]              
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd | First lien 3                            
Schedule of Investments [Line Items]                            
Cost   1,313 [3],[4],[20] 1,313 [3],[4],[20]       1,319 [7],[8],[16]              
Investments at fair value   1,295 [3],[4],[20] 1,295 [3],[4],[20]       1,328 [7],[8],[16]              
Principal amount, par value   1,322 [3],[4],[11],[20] 1,322 [3],[4],[11],[20]       1,328 [7],[8],[12],[16]              
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.) | First lien                            
Schedule of Investments [Line Items]                            
Cost   31,578 [3],[4],[20] 31,578 [3],[4],[20]       35,985 [7],[8],[16]              
Investments at fair value   31,576 [3],[4],[20] 31,576 [3],[4],[20]       36,155 [7],[8],[16]              
Principal amount, par value   31,814 [3],[4],[11],[20] 31,814 [3],[4],[11],[20]       36,155 [7],[8],[12],[16]              
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   (26) (26)                      
Investments at fair value [3],[4],[9]   (60) (60)                      
Principal amount, par value [3],[4],[9],[11]   3,707 3,707                      
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             0              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             2,122              
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (26)              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             3,707              
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   15,433 [3],[17],[18] 15,433 [3],[17],[18]       15,504 [7],[14],[15]              
Investments at fair value   15,354 [3],[17],[18] 15,354 [3],[17],[18]       15,602 [7],[14],[15]              
Principal amount, par value   15,524 [3],[11],[17],[18] 15,524 [3],[11],[17],[18]       15,602 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   5,729 [3],[17],[18] 5,729 [3],[17],[18]       5,756 [7],[14],[15]              
Investments at fair value   5,661 [3],[17],[18] 5,661 [3],[17],[18]       5,782 [7],[14],[15]              
Principal amount, par value   5,753 [3],[11],[17],[18] 5,753 [3],[11],[17],[18]       5,782 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien 3                            
Schedule of Investments [Line Items]                            
Cost   1,260 [3],[4],[20] 1,260 [3],[4],[20]       376 [7],[8],[16]              
Investments at fair value   1,245 [3],[4],[20] 1,245 [3],[4],[20]       378 [7],[8],[16]              
Principal amount, par value   1,266 [3],[4],[11],[20] 1,266 [3],[4],[11],[20]       378 [7],[8],[12],[16]              
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien 4                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[20]   1,222 1,222                      
Investments at fair value [3],[4],[20]   1,209 1,209                      
Principal amount, par value [3],[4],[11],[20]   1,228 1,228                      
Investment, Identifier [Axis]: Bamboo Health Holdings, LLC (f/k/a Appriss Health, LLC) | First lien                            
Schedule of Investments [Line Items]                            
Cost   3,041 [3],[4],[20] 3,041 [3],[4],[20]       3,038 [7],[8],[16]              
Investments at fair value   3,046 [3],[4],[20] 3,046 [3],[4],[20]       3,046 [7],[8],[16]              
Principal amount, par value   3,046 [3],[4],[11],[20] 3,046 [3],[4],[11],[20]       3,046 [7],[8],[12],[16]              
Investment, Identifier [Axis]: Bamboo Health Holdings, LLC (f/k/a Appriss Health, LLC) | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (4) [3],[4],[9] (4) [3],[4],[9]       (4) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   417 [3],[4],[9],[11] 417 [3],[4],[9],[11]       417 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Bonterra LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost [7],[14],[15]             14,955              
Investments at fair value [7],[14],[15]             14,952              
Principal amount, par value [7],[12],[14],[15]             14,989              
Investment, Identifier [Axis]: Bonterra LLC | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   325 325                      
Investments at fair value [3],[4],[9]   318 318                      
Principal amount, par value [3],[4],[9],[11]   326 326                      
Investment, Identifier [Axis]: Bonterra LLC | First lien - Drawn 1                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10],[16]             1,629              
Investments at fair value [7],[8],[10],[16]             1,625              
Principal amount, par value [7],[8],[10],[12],[16]             1,629              
Investment, Identifier [Axis]: Bonterra LLC | First lien - Drawn 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             244              
Investments at fair value [7],[8],[10]             244              
Principal amount, par value [7],[8],[10],[12]             244              
Investment, Identifier [Axis]: Bonterra LLC | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   (3) (3)                      
Investments at fair value [3],[4],[9]   (30) (30)                      
Principal amount, par value [3],[4],[9],[11]   1,303 1,303                      
Investment, Identifier [Axis]: Bonterra LLC | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             0              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             0              
Investment, Identifier [Axis]: Bonterra LLC | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (3)              
Investments at fair value [7],[8],[10]             (3)              
Principal amount, par value [7],[8],[10],[12]             1,384              
Investment, Identifier [Axis]: Bonterra LLC | First lien 1                            
Schedule of Investments [Line Items]                            
Cost [3],[17],[18]   14,882 14,882                      
Investments at fair value [3],[17],[18]   14,570 14,570                      
Principal amount, par value [3],[11],[17],[18]   14,914 14,914                      
Investment, Identifier [Axis]: Bonterra LLC | First lien 2                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[20]   1,625 1,625                      
Investments at fair value [3],[4],[20]   1,587 1,587                      
Principal amount, par value [3],[4],[11],[20]   1,625 1,625                      
Investment, Identifier [Axis]: Brave Parent Holdings, Inc. | First lien                            
Schedule of Investments [Line Items]                            
Cost   20,940 [3],[24] 20,940 [3],[24]       21,040 [7],[25]              
Investments at fair value   20,323 [3],[24] 20,323 [3],[24]       21,124 [7],[25]              
Principal amount, par value   21,016 [3],[11],[24] 21,016 [3],[11],[24]       21,124 [7],[12],[25]              
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost   127 [3],[4],[9] 127 [3],[4],[9]       127 [7],[8],[10]              
Investments at fair value   124 [3],[4],[9] 124 [3],[4],[9]       125 [7],[8],[10]              
Principal amount, par value   125 [3],[4],[9],[11] 125 [3],[4],[9],[11]       125 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             0              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             822              
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (6)              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             811              
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   8,967 [3],[17],[18] 8,967 [3],[17],[18]       13,177 [7],[14],[15]              
Investments at fair value   8,813 [3],[17],[18] 8,813 [3],[17],[18]       13,206 [7],[14],[15]              
Principal amount, par value   8,879 [3],[11],[17],[18] 8,879 [3],[11],[17],[18]       13,206 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   3,395 [3],[17],[18] 3,395 [3],[17],[18]       8,976 [7],[14],[15]              
Investments at fair value   3,373 [3],[17],[18] 3,373 [3],[17],[18]       8,879 [7],[14],[15]              
Principal amount, par value   3,398 [3],[11],[17],[18] 3,398 [3],[11],[17],[18]       8,879 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien 3                            
Schedule of Investments [Line Items]                            
Cost   1,023 [3],[4],[20] 1,023 [3],[4],[20]       3,395 [7],[14],[15]              
Investments at fair value   1,017 [3],[4],[20] 1,017 [3],[4],[20]       3,398 [7],[14],[15]              
Principal amount, par value   1,025 [3],[4],[11],[20] 1,025 [3],[4],[11],[20]       3,398 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien 4                            
Schedule of Investments [Line Items]                            
Cost   759 [3],[17],[18] 759 [3],[17],[18]       1,023 [7],[8],[16]              
Investments at fair value   755 [3],[17],[18] 755 [3],[17],[18]       1,025 [7],[8],[16]              
Principal amount, par value   761 [3],[11],[17],[18] 761 [3],[11],[17],[18]       1,025 [7],[8],[12],[16]              
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien 5                            
Schedule of Investments [Line Items]                            
Cost   340 [3],[17],[18] 340 [3],[17],[18]       759 [7],[14],[15]              
Investments at fair value   338 [3],[17],[18] 338 [3],[17],[18]       761 [7],[14],[15]              
Principal amount, par value   341 [3],[11],[17],[18] 341 [3],[11],[17],[18]       761 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien 6                            
Schedule of Investments [Line Items]                            
Cost   271 [3],[17],[18] 271 [3],[17],[18]       340 [7],[14],[15]              
Investments at fair value   270 [3],[17],[18] 270 [3],[17],[18]       341 [7],[14],[15]              
Principal amount, par value   272 [3],[11],[17],[18] 272 [3],[11],[17],[18]       341 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien 7                            
Schedule of Investments [Line Items]                            
Cost [7],[14],[15]             271              
Investments at fair value [7],[14],[15]             272              
Principal amount, par value [7],[12],[14],[15]             272              
Investment, Identifier [Axis]: Bullhorn, Inc.. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   (6) (6)                      
Investments at fair value [3],[4],[9]   (6) (6)                      
Principal amount, par value [3],[4],[9],[11]   811 811                      
Investment, Identifier [Axis]: CFS Management, LLC | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   12,383 [3],[4],[20] 12,383 [3],[4],[20]       12,124 [7],[8],[16]              
Investments at fair value   10,835 [3],[4],[20] 10,835 [3],[4],[20]       10,608 [7],[8],[16]              
Principal amount, par value   12,383 [3],[4],[11],[20] 12,383 [3],[4],[11],[20]       12,124 [7],[8],[12],[16]              
Investment, Identifier [Axis]: CFS Management, LLC | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   3,698 [3],[17],[18] 3,698 [3],[17],[18]       3,621 [7],[14],[15]              
Investments at fair value   3,228 [3],[17],[18] 3,228 [3],[17],[18]       3,161 [7],[14],[15]              
Principal amount, par value   3,690 [3],[11],[17],[18] 3,690 [3],[11],[17],[18]       3,612 [7],[12],[14],[15]              
Investment, Identifier [Axis]: CG Group Holdings, LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost [7],[14],[15]             8,553              
Investments at fair value [7],[14],[15]             8,582              
Principal amount, par value [7],[12],[14],[15]             8,582              
Investment, Identifier [Axis]: CG Group Holdings, LLC | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10],[16]             1,078              
Investments at fair value [7],[8],[10],[16]             1,089              
Principal amount, par value [7],[8],[10],[12],[16]             1,089              
Investment, Identifier [Axis]: CG Group Holdings, LLC | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (1)              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             113              
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc. | First lien                            
Schedule of Investments [Line Items]                            
Cost [7],[14],[15]             6,423              
Investments at fair value [7],[14],[15]             6,451              
Principal amount, par value [7],[12],[14],[15]             6,451              
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc. | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             0              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             1,629              
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc. | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (5)              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             1,086              
Investment, Identifier [Axis]: Capstone Borrower, Inc. | First lien                            
Schedule of Investments [Line Items]                            
Cost [4],[20]   3,260 3,260                      
Investments at fair value [4],[20]   3,580 3,580                      
Principal amount, par value [4],[11],[20]   3,763 3,763                      
Investment, Identifier [Axis]: Cardinal Parent, Inc. | First lien                            
Schedule of Investments [Line Items]                            
Cost   11,527 [13] 11,527 [13]       11,581 [19]              
Investments at fair value   10,229 [13] 10,229 [13]       11,366 [19]              
Principal amount, par value   11,548 [11],[13] 11,548 [11],[13]       11,609 [12],[19]              
Investment, Identifier [Axis]: Cardinal Parent, Inc. | Second lien                            
Schedule of Investments [Line Items]                            
Cost   9,728 [3],[13] 9,728 [3],[13]       9,721 [7],[19]              
Investments at fair value   8,475 [3],[13] 8,475 [3],[13]       9,653 [7],[19]              
Principal amount, par value   9,767 [3],[11],[13] 9,767 [3],[11],[13]       9,767 [7],[12],[19]              
Investment, Identifier [Axis]: Centegix Intermediate II, LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost [3],[17],[18]   239 239                      
Investments at fair value [3],[17],[18]   239 239                      
Principal amount, par value [3],[11],[17],[18]   240 240                      
Investment, Identifier [Axis]: Centegix Intermediate II, LLC. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   0 0                      
Investments at fair value [3],[4],[9]   (6) (6)                      
Principal amount, par value [3],[4],[9],[11]   1,177 1,177                      
Investment, Identifier [Axis]: CentralSquare Technologies, LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost   36,021 [3],[17],[18] 36,021 [3],[17],[18]       36,162 [7],[14],[15]              
Investments at fair value   36,322 [3],[17],[18] 36,322 [3],[17],[18]       36,497 [7],[14],[15]              
Principal amount, par value   36,322 [3],[11],[17],[18] 36,322 [3],[11],[17],[18]       36,497 [7],[12],[14],[15]              
Investment, Identifier [Axis]: CentralSquare Technologies, LLC | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (50) [3],[4],[9] (50) [3],[4],[9]       (50) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   3,980 [3],[4],[9],[11] 3,980 [3],[4],[9],[11]       3,980 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Ciklum Inc. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (37) [3],[4],[9],[22] (37) [3],[4],[9],[22]       (37) [7],[8],[10],[23]              
Investments at fair value   0 [3],[4],[9],[22] 0 [3],[4],[9],[22]       0 [7],[8],[10],[23]              
Principal amount, par value   2,989 [3],[4],[9],[11],[22] 2,989 [3],[4],[9],[11],[22]       2,989 [7],[8],[10],[12],[23]              
Investment, Identifier [Axis]: Ciklum Inc. | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   9,313 [3],[17],[18] 9,313 [3],[17],[18]       9,351 [7],[14],[15]              
Investments at fair value   9,392 [3],[17],[18] 9,392 [3],[17],[18]       9,440 [7],[14],[15]              
Principal amount, par value   9,392 [3],[11],[17],[18] 9,392 [3],[11],[17],[18]       9,440 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Ciklum Inc. | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   5,259 [3],[4],[20] 5,259 [3],[4],[20]       5,280 [7],[8],[16]              
Investments at fair value   5,312 [3],[4],[20] 5,312 [3],[4],[20]       5,339 [7],[8],[16]              
Principal amount, par value   5,312 [3],[4],[11],[20] 5,312 [3],[4],[11],[20]       5,339 [7],[8],[12],[16]              
Investment, Identifier [Axis]: Community Management Holdings MidCo 2, LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost   1,274 [3],[4],[20] 1,274 [3],[4],[20]       1,279 [7],[8],[16]              
Investments at fair value   1,285 [3],[4],[20] 1,285 [3],[4],[20]       1,291 [7],[8],[16]              
Principal amount, par value   1,285 [3],[4],[11],[20] 1,285 [3],[4],[11],[20]       1,291 [7],[8],[12],[16]              
Investment, Identifier [Axis]: Community Management Holdings MidCo 2, LLC | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost   564 [3],[4],[9],[20] 564 [3],[4],[9],[20]       9 [7],[8],[10],[16]              
Investments at fair value   568 [3],[4],[9],[20] 568 [3],[4],[9],[20]       9 [7],[8],[10],[16]              
Principal amount, par value   568 [3],[4],[9],[11],[20] 568 [3],[4],[9],[11],[20]       9 [7],[8],[10],[12],[16]              
Investment, Identifier [Axis]: Community Management Holdings MidCo 2, LLC | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   41 [3],[4],[9],[11] 41 [3],[4],[9],[11]       602 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Compsych Investments Corp | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (14)              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             2,253              
Investment, Identifier [Axis]: Compsych Investments Corp. | First lien                            
Schedule of Investments [Line Items]                            
Cost   7,705 [3],[17],[18] 7,705 [3],[17],[18]       7,741 [7],[14],[15]              
Investments at fair value   7,750 [3],[17],[18] 7,750 [3],[17],[18]       7,790 [7],[14],[15]              
Principal amount, par value   7,750 [3],[11],[17],[18] 7,750 [3],[11],[17],[18]       7,790 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Compsych Investments Corp. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   (14) (14)                      
Investments at fair value [3],[4],[9]   0 0                      
Principal amount, par value [3],[4],[9],[11]   2,253 2,253                      
Investment, Identifier [Axis]: Consumer Products | First lien                            
Schedule of Investments [Line Items]                            
Cost [3],[4]   4,976 4,976                      
Investments at fair value [3],[4]   4,976 4,976                      
Principal amount, par value [3],[4],[11]   4,976 4,976                      
Investment, Identifier [Axis]: Consumer Products | Subordinated                            
Schedule of Investments [Line Items]                            
Cost [3],[4]   2,410 2,410                      
Investments at fair value [3],[4]   2,410 2,410                      
Principal amount, par value [3],[4],[11]   2,410 2,410                      
Investment, Identifier [Axis]: Convey Health Solutions, Inc. | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   13,019 [3],[18] 13,019 [3],[18]       13,475 [7],[14],[15]              
Investments at fair value   1,635 [3],[18] 1,635 [3],[18]       9,869 [7],[14],[15]              
Principal amount, par value   13,060 [3],[11],[18] 13,060 [3],[11],[18]       13,518 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Convey Health Solutions, Inc. | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   2,168 [3],[18] 2,168 [3],[18]       2,244 [7],[14],[15]              
Investments at fair value   273 [3],[18] 273 [3],[18]       1,648 [7],[14],[15]              
Principal amount, par value   2,181 [3],[11],[18] 2,181 [3],[11],[18]       2,257 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Convey Health Solutions, Inc. | First lien | Non-accrual status                            
Schedule of Investments [Line Items]                            
Unearned income   359 687                      
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost   1,457 [3],[4],[20] 1,457 [3],[4],[20]       1,463 [7],[8],[16]              
Investments at fair value   1,462 [3],[4],[20] 1,462 [3],[4],[20]       1,470 [7],[8],[16]              
Principal amount, par value   1,462 [3],[4],[11],[20] 1,462 [3],[4],[11],[20]       1,470 [7],[8],[12],[16]              
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (1)              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             147              
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost [7],[14],[15]             14,123              
Investments at fair value [7],[14],[15]             14,243              
Principal amount, par value [7],[12],[14],[15]             14,243              
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9],[20]   651 651                      
Investments at fair value [3],[4],[9],[20]   650 650                      
Principal amount, par value [3],[4],[9],[11],[20]   659 659                      
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   (4) (4)                      
Investments at fair value [3],[4],[9]   (4) (4)                      
Principal amount, par value [3],[4],[9],[11]   330 330                      
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             0              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             1,291              
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (12)              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             989              
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien 1                            
Schedule of Investments [Line Items]                            
Cost [3],[17],[18]   14,063 14,063                      
Investments at fair value [3],[17],[18]   13,981 13,981                      
Principal amount, par value [3],[11],[17],[18]   14,171 14,171                      
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien 2                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[20]   1,291 1,291                      
Investments at fair value [3],[4],[20]   1,274 1,274                      
Principal amount, par value [3],[4],[11],[20]   1,291 1,291                      
Investment, Identifier [Axis]: Cronos Crimson Holdings, Inc. (f/k/a NMC Crimson Holdings, Inc.) | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   24,063 [3],[17],[18] 24,063 [3],[17],[18]       24,034 [7],[14],[15]              
Investments at fair value   23,795 [3],[17],[18] 23,795 [3],[17],[18]       24,172 [7],[14],[15]              
Principal amount, par value   24,172 [3],[11],[17],[18] 24,172 [3],[11],[17],[18]       24,172 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Cronos Crimson Holdings, Inc. (f/k/a NMC Crimson Holdings, Inc.) | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   5,003 [3],[4],[20] 5,003 [3],[4],[20]       5,001 [7],[8],[16]              
Investments at fair value   4,934 [3],[4],[20] 4,934 [3],[4],[20]       5,012 [7],[8],[16]              
Principal amount, par value   5,012 [3],[4],[11],[20] 5,012 [3],[4],[11],[20]       5,012 [7],[8],[12],[16]              
Investment, Identifier [Axis]: Cronos Crimson Holdings, Inc. (f/k/a NMC Crimson Holdings, Inc.) | First lien 3                            
Schedule of Investments [Line Items]                            
Cost   4,691 [3],[17],[18] 4,691 [3],[17],[18]       4,687 [7],[14],[15]              
Investments at fair value   4,632 [3],[17],[18] 4,632 [3],[17],[18]       4,706 [7],[14],[15]              
Principal amount, par value   4,706 [3],[11],[17],[18] 4,706 [3],[11],[17],[18]       4,706 [7],[12],[14],[15]              
Investment, Identifier [Axis]: DCA Investment Holding, LLC | First lien 1                            
Schedule of Investments [Line Items]                            
Cost [7],[14],[15]             1,781              
Investments at fair value [7],[14],[15]             1,574              
Principal amount, par value [7],[12],[14],[15]             1,786              
Investment, Identifier [Axis]: DCA Investment Holding, LLC | First lien 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[16]             994              
Investments at fair value [7],[8],[16]             882              
Principal amount, par value [7],[8],[12],[16]             1,000              
Investment, Identifier [Axis]: DCA TopCo LP | Class A Common Units 1                            
Schedule of Investments [Line Items]                            
Cost [3],[18]   617 617                      
Investments at fair value [3],[18]   617 617                      
Investment, Identifier [Axis]: DCA TopCo LP | Class A Common Units 2                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[20]   345 345                      
Investments at fair value [3],[4],[20]   345 345                      
Investment, Identifier [Axis]: DCA TopCo LP | First lien 1                            
Schedule of Investments [Line Items]                            
Cost [3],[17],[18]   957 957                      
Investments at fair value [3],[17],[18]   957 957                      
Principal amount, par value [3],[11],[17],[18]   957 957                      
Investment, Identifier [Axis]: DCA TopCo LP | First lien 2                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[20]   536 536                      
Investments at fair value [3],[4],[20]   536 536                      
Principal amount, par value [3],[4],[11],[20]   536 536                      
Investment, Identifier [Axis]: DG Investment Intermediate Holdings 2, Inc. | Second lien                            
Schedule of Investments [Line Items]                            
Cost   3,010 [3],[4],[20] 3,010 [3],[4],[20]       9,466 [7],[8],[16]              
Investments at fair value   3,024 [3],[4],[20] 3,024 [3],[4],[20]       9,464 [7],[8],[16]              
Principal amount, par value   3,024 [3],[4],[11],[20] 3,024 [3],[4],[11],[20]       9,512 [7],[8],[12],[16]              
Investment, Identifier [Axis]: DOCS, MSO, LLC | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   2,405 [3],[4],[9],[11] 2,405 [3],[4],[9],[11]       2,405 [7],[8],[10],[12]              
Investment, Identifier [Axis]: DOCS, MSO, LLC | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   3,223 [3],[13] 3,223 [3],[13]       18,149 [7],[8],[16]              
Investments at fair value   3,223 [3],[13] 3,223 [3],[13]       18,149 [7],[8],[16]              
Principal amount, par value   3,223 [3],[11],[13] 3,223 [3],[11],[13]       18,149 [7],[8],[12],[16]              
Investment, Identifier [Axis]: DOCS, MSO, LLC | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   1,596 [3],[4],[20] 1,596 [3],[4],[20]       6,797 [7],[19]              
Investments at fair value   1,591 [3],[4],[20] 1,591 [3],[4],[20]       6,797 [7],[19]              
Principal amount, par value   1,591 [3],[4],[11],[20] 1,591 [3],[4],[11],[20]       6,797 [7],[12],[19]              
Investment, Identifier [Axis]: DOCS, MSO, LLC | First lien 3                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[16]             3,335              
Investments at fair value [7],[8],[16]             3,354              
Principal amount, par value [7],[8],[12],[16]             3,354              
Investment, Identifier [Axis]: DT1 Midco Corp | First lien                            
Schedule of Investments [Line Items]                            
Cost   1,329 [3],[17],[18] 1,329 [3],[17],[18]       1,335 [7],[14],[15]              
Investments at fair value   1,335 [3],[17],[18] 1,335 [3],[17],[18]       1,335 [7],[14],[15]              
Principal amount, par value   1,335 [3],[11],[17],[18] 1,335 [3],[11],[17],[18]       1,342 [7],[12],[14],[15]              
Investment, Identifier [Axis]: DT1 Midco Corp | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost   32 [3],[4],[9] 32 [3],[4],[9]       32 [7],[8],[10]              
Investments at fair value   32 [3],[4],[9] 32 [3],[4],[9]       32 [7],[8],[10]              
Principal amount, par value   32 [3],[4],[9],[11] 32 [3],[4],[9],[11]       32 [7],[8],[10],[12]              
Investment, Identifier [Axis]: DT1 Midco Corp | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost   0 [3],[4],[9] 0 [3],[4],[9]       (3) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       (3) [7],[8],[10]              
Principal amount, par value   4,462 [3],[4],[9],[11] 4,462 [3],[4],[9],[11]       674 [7],[8],[10],[12]              
Investment, Identifier [Axis]: DT1 Midco Corp | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost   (3) [3],[4],[9] (3) [3],[4],[9]       0 [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       (22) [7],[8],[10]              
Principal amount, par value   674 [3],[4],[9],[11] 674 [3],[4],[9],[11]       4,462 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Daxko Acquisition Corporation | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (10)              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             986              
Investment, Identifier [Axis]: Daxko Acquisition Corporation | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   12,630 [3],[4],[20] 12,630 [3],[4],[20]       12,686 [7],[8],[16]              
Investments at fair value   12,533 [3],[4],[20] 12,533 [3],[4],[20]       12,746 [7],[8],[16]              
Principal amount, par value   12,679 [3],[4],[11],[20] 12,679 [3],[4],[11],[20]       12,746 [7],[8],[12],[16]              
Investment, Identifier [Axis]: Daxko Acquisition Corporation | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   1,064 [3],[17],[18] 1,064 [3],[17],[18]       1,069 [7],[14],[15]              
Investments at fair value   1,056 [3],[17],[18] 1,056 [3],[17],[18]       1,074 [7],[14],[15]              
Principal amount, par value   1,068 [3],[11],[17],[18] 1,068 [3],[11],[17],[18]       1,074 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Daxko Acquisition Corporation | First lien 3                            
Schedule of Investments [Line Items]                            
Cost   64 [3],[4] 64 [3],[4]       64 [7],[8]              
Investments at fair value   63 [3],[4] 63 [3],[4]       64 [7],[8]              
Principal amount, par value   64 [3],[4],[11] 64 [3],[4],[11]       64 [7],[8],[12]              
Investment, Identifier [Axis]: Daxko Acquisition Corporation. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   (10) (10)                      
Investments at fair value [3],[4],[9]   (11) (11)                      
Principal amount, par value [3],[4],[9],[11]   986 986                      
Investment, Identifier [Axis]: Dealer Tire Holdings, LLC | Preferred Shares                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[20],[26]   27,082 27,082                      
Investments at fair value [3],[4],[20],[26]   25,191 25,191                      
Principal amount, par value   27,116 27,116       90,671              
Investment, Identifier [Axis]: Dealer Tire Holdings, LLC | Preferred shares                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[16],[27]             81,859              
Investments at fair value [7],[8],[16],[27]             87,225              
Investment, Identifier [Axis]: Deca Dental Holdings LLC | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   36,475 [3],[17],[18] 36,475 [3],[17],[18]       36,543 [7],[14],[15]              
Investments at fair value   32,536 [3],[17],[18] 32,536 [3],[17],[18]       35,715 [7],[14],[15]              
Principal amount, par value   36,614 [3],[11],[17],[18] 36,614 [3],[11],[17],[18]       36,710 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Deca Dental Holdings LLC | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   3,839 [3],[4],[20] 3,839 [3],[4],[20]       3,846 [7],[8],[16]              
Investments at fair value   3,425 [3],[4],[20] 3,425 [3],[4],[20]       3,760 [7],[8],[16]              
Principal amount, par value   3,854 [3],[4],[11],[20] 3,854 [3],[4],[11],[20]       3,864 [7],[8],[12],[16]              
Investment, Identifier [Axis]: Deca Dental Holdings LLC | First lien 3                            
Schedule of Investments [Line Items]                            
Cost   2,997 [3],[4],[20] 2,997 [3],[4],[20]       2,997 [7],[8],[16]              
Investments at fair value   2,690 [3],[4],[20] 2,690 [3],[4],[20]       2,945 [7],[8],[16]              
Principal amount, par value   3,027 [3],[4],[11],[20] 3,027 [3],[4],[11],[20]       3,027 [7],[8],[12],[16]              
Investment, Identifier [Axis]: Denali Intermediate Holdings, Inc. | First lien                            
Schedule of Investments [Line Items]                            
Cost [7],[14],[15]             9,047              
Investments at fair value [7],[14],[15]             9,045              
Principal amount, par value [7],[12],[14],[15]             9,091              
Investment, Identifier [Axis]: Denali Intermediate Holdings, Inc. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (5)              
Investments at fair value [7],[8],[10]             (5)              
Principal amount, par value [7],[8],[10],[12]             909              
Investment, Identifier [Axis]: Digicert, Inc. | First lien                            
Schedule of Investments [Line Items]                            
Cost   15,286 [3],[17],[18] 15,286 [3],[17],[18]       15,354 [7],[14],[15]              
Investments at fair value   15,269 [3],[17],[18] 15,269 [3],[17],[18]       15,346 [7],[14],[15]              
Principal amount, par value   15,384 [3],[11],[17],[18] 15,384 [3],[11],[17],[18]       15,462 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Digicert, Inc. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (8) [3],[4],[9] (8) [3],[4],[9]       (8) [7],[8],[10]              
Investments at fair value   (8) [3],[4],[9] (8) [3],[4],[9]       (8) [7],[8],[10]              
Principal amount, par value   1,119 [3],[4],[9],[11] 1,119 [3],[4],[9],[11]       1,119 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Diligent Corporation | First lien                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[20]   3,389 3,389                      
Investments at fair value [3],[4],[20]   3,310 3,310                      
Principal amount, par value [3],[4],[11],[20]   3,398 3,398                      
Investment, Identifier [Axis]: Diligent Corporation | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost   891 [3],[4],[9] 891 [3],[4],[9]       530 [7],[8],[10]              
Investments at fair value   872 [3],[4],[9] 872 [3],[4],[9]       532 [7],[8],[10]              
Principal amount, par value   895 [3],[4],[9],[11] 895 [3],[4],[9],[11]       532 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Diligent Corporation | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   (5) (5)                      
Investments at fair value [3],[4],[9]   (35) (35)                      
Principal amount, par value [3],[4],[9],[11]   1,371 1,371                      
Investment, Identifier [Axis]: Diligent Corporation | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (6)              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             1,733              
Investment, Identifier [Axis]: Diligent Corporation | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (13)              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             3,398              
Investment, Identifier [Axis]: Diligent Corporation | First lien 1                            
Schedule of Investments [Line Items]                            
Cost [7],[14],[15]             19,763              
Investments at fair value [7],[14],[15]             19,821              
Principal amount, par value [7],[12],[14],[15]             19,821              
Investment, Identifier [Axis]: Diligent Corporation | First lien 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[16]             3,388              
Investments at fair value [7],[8],[16]             3,398              
Principal amount, par value [7],[8],[12],[16]             3,398              
Investment, Identifier [Axis]: Diligent Preferred Issuer, Inc. | Preferred shares                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[28]             15,702              
Investments at fair value [7],[8],[28]             15,036              
Principal amount, par value             15,827              
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.) / Eagle Infrastructure Super HoldCo, LLC                            
Schedule of Investments [Line Items]                            
Investments at fair value   24,478 24,478       18,337     $ 19,156        
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.) | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   10,628 [3],[17],[18],[29] 10,628 [3],[17],[18],[29]       10,628 [7],[14],[15],[30]              
Investments at fair value   10,628 [3],[17],[18],[29] 10,628 [3],[17],[18],[29]       10,628 [7],[14],[15],[30]              
Principal amount, par value   10,628 [3],[11],[17],[18],[29] 10,628 [3],[11],[17],[18],[29]       10,628 [7],[12],[14],[15],[30]              
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.) | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   340 [3],[4],[29] 340 [3],[4],[29]       340 [7],[8],[30]              
Investments at fair value   340 [3],[4],[29] 340 [3],[4],[29]       340 [7],[8],[30]              
Principal amount, par value   340 [3],[4],[11],[29] 340 [3],[4],[11],[29]       340 [7],[8],[12],[30]              
Investment, Identifier [Axis]: Eagle Infrastructure Super HoldCo, LLC | Ordinary Shares                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[29]   4,104 4,104                      
Investments at fair value [3],[4],[29]   13,510 13,510                      
Investment, Identifier [Axis]: Eagle Infrastructure Super HoldCo, LLC | Ordinary shares                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[30]             4,104              
Investments at fair value [7],[8],[30]             7,369              
Investment, Identifier [Axis]: Eclipse Buyer Inc. | First lien                            
Schedule of Investments [Line Items]                            
Cost   7,083 [3],[13],[31] 7,083 [3],[13],[31]       7,082 [7],[19],[32]              
Investments at fair value   7,007 [3],[13],[31] 7,007 [3],[13],[31]       7,113 [7],[19],[32]              
Principal amount, par value   7,113 [3],[11],[13],[31] 7,113 [3],[11],[13],[31]       7,113 [7],[12],[19],[32]              
Investment, Identifier [Axis]: Eclipse Buyer Inc. | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost [7],[10],[19]             0              
Investments at fair value [7],[10],[19]             0              
Principal amount, par value [7],[10],[12],[19]             1,206              
Investment, Identifier [Axis]: Eclipse Buyer Inc. | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost   (21) [3],[4],[9] (21) [3],[4],[9]       (21) [7],[8],[10]              
Investments at fair value   (62) [3],[4],[9] (62) [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   4,190 [3],[4],[9],[11] 4,190 [3],[4],[9],[11]       4,190 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Eclipse Buyer Inc.| First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost [3],[9],[13]   0 0                      
Investments at fair value [3],[9],[13]   (18) (18)                      
Principal amount, par value [3],[9],[11],[13]   1,206 1,206                      
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.) | Ordinary Shares                            
Schedule of Investments [Line Items]                            
Cost [3],[4]   145 145                      
Investments at fair value [3],[4]   0 0                      
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.) | Ordinary shares                            
Schedule of Investments [Line Items]                            
Cost [7],[8]             145              
Investments at fair value [7],[8]             0              
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.) | Series A Preferred Shares                            
Schedule of Investments [Line Items]                            
Cost [3],[4]   3,835 3,835                      
Investments at fair value [3],[4]   3,835 3,835                      
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.) | Series A preferred shares                            
Schedule of Investments [Line Items]                            
Cost [7],[8]             3,335              
Investments at fair value [7],[8]             3,335              
Principal amount, par value   3,835 3,835       3,335              
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.) | Series B Preferred Shares                            
Schedule of Investments [Line Items]                            
Cost [3],[4]   2,565 2,565                      
Investments at fair value [3],[4]   3,009 3,009                      
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.) | Series B preferred shares                            
Schedule of Investments [Line Items]                            
Cost [7],[8]             2,565              
Investments at fair value [7],[8]             3,009              
Principal amount, par value   3,691 3,691       4,116              
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. | Series B preferred shares | Non-accrual status                            
Schedule of Investments [Line Items]                            
Unearned income   124 242                      
Investment, Identifier [Axis]: Eclipse Topco, Inc. | Preferred Shares                            
Schedule of Investments [Line Items]                            
Cost [3],[13],[31]   1,620 1,620                      
Investments at fair value [3],[13],[31]   1,632 1,632                      
Investment, Identifier [Axis]: Eclipse Topco, Inc. | Preferred shares                            
Schedule of Investments [Line Items]                            
Cost [7],[19],[32]             2,207              
Investments at fair value [7],[19],[32]             2,228              
Principal amount, par value   1,632 1,632       2,226              
Investment, Identifier [Axis]: Edmentum Ultimate Holdings, LLC | Subordinated                            
Schedule of Investments [Line Items]                            
Cost   29,048 [3],[4],[29],[33] 29,048 [3],[4],[29],[33]       26,596 [7],[8],[30],[34]              
Investments at fair value   29,089 [3],[4],[29],[33] 29,089 [3],[4],[29],[33]       26,646 [7],[8],[30],[34]              
Principal amount, par value   29,089 [3],[4],[11],[29],[33] 29,089 [3],[4],[11],[29],[33]       26,646 [7],[8],[12],[30],[34]              
Investment, Identifier [Axis]: Einstein Parent, Inc. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (57) [3],[4],[9] (57) [3],[4],[9]       (57) [7],[8],[10]              
Investments at fair value   (138) [3],[4],[9] (138) [3],[4],[9]       (57) [7],[8],[10]              
Principal amount, par value   5,750 [3],[4],[9],[11] 5,750 [3],[4],[9],[11]       5,750 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Einstein Parent, Inc. | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   35,294 [3],[4],[20] 35,294 [3],[4],[20]       35,292 [7],[8],[16]              
Investments at fair value   34,728 [3],[4],[20] 34,728 [3],[4],[20]       35,226 [7],[8],[16]              
Principal amount, par value   35,582 [3],[4],[11],[20] 35,582 [3],[4],[11],[20]       35,582 [7],[8],[12],[16]              
Investment, Identifier [Axis]: Einstein Parent, Inc. | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   19,838 [3],[17],[18] 19,838 [3],[17],[18]       19,800 [7],[14],[15]              
Investments at fair value   19,520 [3],[17],[18] 19,520 [3],[17],[18]       19,800 [7],[14],[15]              
Principal amount, par value   20,000 [3],[11],[17],[18] 20,000 [3],[11],[17],[18]       20,000 [7],[12],[14],[15]              
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien - Drawn 1                            
Schedule of Investments [Line Items]                            
Cost [7],[10],[25]             2,508              
Investments at fair value [7],[10],[25]             2,533              
Principal amount, par value [7],[10],[12],[25]             2,533              
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   (14) (14)                      
Investments at fair value [3],[4],[9]   0 0                      
Principal amount, par value [3],[4],[9],[11]   1,400 1,400                      
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             0              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             64              
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost [7],[10],[25]             0              
Investments at fair value [7],[10],[25]             0              
Principal amount, par value [7],[10],[12],[25]             191              
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien - Undrawn 3                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (14)              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             1,400              
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   8,362 [3],[24] 8,362 [3],[24]       8,410 [7],[25]              
Investments at fair value   8,396 [3],[24] 8,396 [3],[24]       8,449 [7],[25]              
Principal amount, par value   8,396 [3],[11],[24] 8,396 [3],[11],[24]       8,449 [7],[12],[25]              
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   4,657 [3],[4],[20] 4,657 [3],[4],[20]       4,682 [7],[8],[16]              
Investments at fair value   4,681 [3],[4],[20] 4,681 [3],[4],[20]       4,710 [7],[8],[16]              
Principal amount, par value   4,681 [3],[4],[11],[20] 4,681 [3],[4],[11],[20]       4,710 [7],[8],[12],[16]              
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien 3                            
Schedule of Investments [Line Items]                            
Cost   2,806 [3],[24] 2,806 [3],[24]       2,822 [7],[25]              
Investments at fair value   2,819 [3],[24] 2,819 [3],[24]       2,836 [7],[25]              
Principal amount, par value   2,819 [3],[11],[24] 2,819 [3],[11],[24]       2,836 [7],[12],[25]              
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien 4                            
Schedule of Investments [Line Items]                            
Cost   2,789 [3],[24] 2,789 [3],[24]       2,805 [7],[25]              
Investments at fair value   2,801 [3],[24] 2,801 [3],[24]       2,818 [7],[25]              
Principal amount, par value   2,801 [3],[11],[24] 2,801 [3],[11],[24]       2,818 [7],[12],[25]              
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien 5                            
Schedule of Investments [Line Items]                            
Cost [3],[24]   2,687 2,687                      
Investments at fair value [3],[24]   2,711 2,711                      
Principal amount, par value [3],[11],[24]   2,711 2,711                      
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien 6                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[20]   897 897                      
Investments at fair value [3],[4],[20]   905 905                      
Principal amount, par value [3],[4],[11],[20]   905 905                      
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien- Drawn 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10],[16]             837              
Investments at fair value [7],[8],[10],[16]             846              
Principal amount, par value [7],[8],[10],[12],[16]             846              
Investment, Identifier [Axis]: FS WhiteWater Holdings, LLC | Ordinary Shares                            
Schedule of Investments [Line Items]                            
Cost [3],[24],[35]   5,000 5,000                      
Investments at fair value [3],[24],[35]   6,088 6,088                      
Investment, Identifier [Axis]: FS WhiteWater Holdings, LLC | Ordinary shares                            
Schedule of Investments [Line Items]                            
Cost [7],[25],[36]             5,000              
Investments at fair value [7],[25],[36]             5,357              
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc. | First lien                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[16]             8,169              
Investments at fair value [7],[8],[16]             8,167              
Principal amount, par value [7],[8],[12],[16]             8,187              
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc. | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost   2,787 [3],[4],[9] 2,787 [3],[4],[9]       1,914 [7],[8],[10]              
Investments at fair value   2,794 [3],[4],[9] 2,794 [3],[4],[9]       1,914 [7],[8],[10]              
Principal amount, par value   2,794 [3],[4],[9],[11] 2,794 [3],[4],[9],[11]       1,919 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc. | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (4)              
Investments at fair value [7],[8],[10]             (4)              
Principal amount, par value [7],[8],[10],[12]             1,422              
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc. | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost   (4) [3],[4],[9] (4) [3],[4],[9]       0 [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       (7) [7],[8],[10]              
Principal amount, par value   1,422 [3],[4],[9],[11] 1,422 [3],[4],[9],[11]       2,814 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc. | First lien - Undrawn1                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   0 0                      
Investments at fair value [3],[4],[9]   0 0                      
Principal amount, par value [3],[4],[9],[11]   1,926 1,926                      
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc. | First lien 1                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[20]   8,244 8,244                      
Investments at fair value [3],[4],[20]   8,261 8,261                      
Principal amount, par value [3],[4],[11],[20]   8,261 8,261                      
Investment, Identifier [Axis]: Firebird Co-Invest L.P. | LP Interest                            
Schedule of Investments [Line Items]                            
Cost   3,358 [3],[4],[37] 3,358 [3],[4],[37]       3,358 [7],[8],[38]              
Investments at fair value   4,209 [3],[4],[37] 4,209 [3],[4],[37]       3,358 [7],[8],[38]              
Investment, Identifier [Axis]: Flash Charm Inc. (fka Idera, Inc.) | Second lien 1                            
Schedule of Investments [Line Items]                            
Cost   1,873 [13] 1,873 [13]       6,463 [19]              
Investments at fair value   1,154 [13] 1,154 [13]       5,697 [19]              
Principal amount, par value   1,884 [11],[13] 1,884 [11],[13]       6,474 [12],[19]              
Investment, Identifier [Axis]: Flash Charm Inc. (fka Idera, Inc.) | Second lien 2                            
Schedule of Investments [Line Items]                            
Cost   251 [4],[20] 251 [4],[20]       862 [8],[16]              
Investments at fair value   154 [4],[20] 154 [4],[20]       760 [8],[16]              
Principal amount, par value   251 [4],[11],[20] 251 [4],[11],[20]       863 [8],[12],[16]              
Investment, Identifier [Axis]: Foreside Financial Group, LLC | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost   92 [3],[4],[9],[20] 92 [3],[4],[9],[20]       457 [7],[8],[10]              
Investments at fair value   92 [3],[4],[9],[20] 92 [3],[4],[9],[20]       460 [7],[8],[10]              
Principal amount, par value   92 [3],[4],[9],[11],[20] 92 [3],[4],[9],[11],[20]       460 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Foreside Financial Group, LLC | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   (22) (22)                      
Investments at fair value [3],[4],[9]   0 0                      
Principal amount, par value [3],[4],[9],[11]   2,218 2,218                      
Investment, Identifier [Axis]: Foreside Financial Group, LLC | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             0              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             2,849              
Investment, Identifier [Axis]: Foreside Financial Group, LLC | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (21)              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             2,311              
Investment, Identifier [Axis]: Foreside Financial Group, LLC | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   7,735 [3],[17],[18] 7,735 [3],[17],[18]       36,683 [7],[14],[15]              
Investments at fair value   7,746 [3],[17],[18] 7,746 [3],[17],[18]       36,810 [7],[14],[15]              
Principal amount, par value   7,746 [3],[11],[17],[18] 7,746 [3],[11],[17],[18]       36,810 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Foreside Financial Group, LLC | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   271 [3],[4],[20] 271 [3],[4],[20]       4,012 [7],[8],[16]              
Investments at fair value   273 [3],[4],[20] 273 [3],[4],[20]       4,033 [7],[8],[16]              
Principal amount, par value   273 [3],[4],[11],[20] 273 [3],[4],[11],[20]       4,033 [7],[8],[12],[16]              
Investment, Identifier [Axis]: Fortis Solutions Group, LLC | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost   1,558 [3],[4],[9],[20] 1,558 [3],[4],[9],[20]       826 [7],[8],[10],[16]              
Investments at fair value   1,573 [3],[4],[9],[20] 1,573 [3],[4],[9],[20]       834 [7],[8],[10],[16]              
Principal amount, par value   1,573 [3],[4],[9],[11],[20] 1,573 [3],[4],[9],[11],[20]       834 [7],[8],[10],[12],[16]              
Investment, Identifier [Axis]: Fortis Solutions Group, LLC | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (13) [3],[4],[9] (13) [3],[4],[9]       (20) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   1,287 [3],[4],[9],[11] 1,287 [3],[4],[9],[11]       2,026 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Fortis Solutions Group, LLC | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   28,963 [3],[17],[18] 28,963 [3],[17],[18]       29,095 [7],[14],[15]              
Investments at fair value   29,082 [3],[17],[18] 29,082 [3],[17],[18]       29,234 [7],[14],[15]              
Principal amount, par value   29,082 [3],[11],[17],[18] 29,082 [3],[11],[17],[18]       29,234 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Fortis Solutions Group, LLC | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   970 [3],[4],[20] 970 [3],[4],[20]       974 [7],[8],[16]              
Investments at fair value   967 [3],[4],[20] 967 [3],[4],[20]       972 [7],[8],[16]              
Principal amount, par value   967 [3],[4],[11],[20] 967 [3],[4],[11],[20]       972 [7],[8],[12],[16]              
Investment, Identifier [Axis]: Fortis Solutions Group, LLC | First lien 3                            
Schedule of Investments [Line Items]                            
Cost   78 [3],[4] 78 [3],[4]       78 [7],[8]              
Investments at fair value   78 [3],[4] 78 [3],[4]       79 [7],[8]              
Principal amount, par value   78 [3],[4],[11] 78 [3],[4],[11]       79 [7],[8],[12]              
Investment, Identifier [Axis]: Foundational Education Group, Inc. | First lien                            
Schedule of Investments [Line Items]                            
Cost   5,921 [3],[17],[18] 5,921 [3],[17],[18]       5,871 [14],[15]              
Investments at fair value   5,875 [3],[17],[18] 5,875 [3],[17],[18]       5,871 [14],[15]              
Principal amount, par value   6,317 [3],[11],[17],[18] 6,317 [3],[11],[17],[18]       6,350 [12],[14],[15]              
Investment, Identifier [Axis]: Foundational Education Group, Inc. | Second lien 1                            
Schedule of Investments [Line Items]                            
Cost   22,444 [3],[24] 22,444 [3],[24]       22,436 [7],[25]              
Investments at fair value   22,500 [3],[24] 22,500 [3],[24]       22,500 [7],[25]              
Principal amount, par value   22,500 [3],[11],[24] 22,500 [3],[11],[24]       22,500 [7],[12],[25]              
Investment, Identifier [Axis]: Foundational Education Group, Inc. | Second lien 2                            
Schedule of Investments [Line Items]                            
Cost   10,778 [3],[4],[20] 10,778 [3],[4],[20]       10,754 [7],[8],[16]              
Investments at fair value   10,965 [3],[4],[20] 10,965 [3],[4],[20]       10,965 [7],[8],[16]              
Principal amount, par value   10,965 [3],[4],[11],[20] 10,965 [3],[4],[11],[20]       10,965 [7],[8],[12],[16]              
Investment, Identifier [Axis]: Fullsteam Operations LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost   6,196 [3],[17],[18] 6,196 [3],[17],[18]       6,193 [7],[14],[15]              
Investments at fair value   6,192 [3],[17],[18] 6,192 [3],[17],[18]       6,192 [7],[14],[15]              
Principal amount, par value   6,223 [3],[11],[17],[18] 6,223 [3],[11],[17],[18]       6,223 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Fullsteam Operations LLC | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   224 224                      
Investments at fair value [3],[4],[9]   224 224                      
Principal amount, par value [3],[4],[9],[11]   225 225                      
Investment, Identifier [Axis]: Fullsteam Operations LLC | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost   (2) [3],[4],[9] (2) [3],[4],[9]       (3) [7],[8],[10]              
Investments at fair value   (2) [3],[4],[9] (2) [3],[4],[9]       (3) [7],[8],[10]              
Principal amount, par value   467 [3],[4],[9],[11] 467 [3],[4],[9],[11]       691 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Fullsteam Operations LLC | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Investments at fair value   (10) [3],[4],[9] (10) [3],[4],[9]       (10) [7],[8],[10]              
Principal amount, par value   2,074 [3],[4],[9],[11] 2,074 [3],[4],[9],[11]       2,074 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Funded Investments - First lien | Convey Health Solutions, Inc.                            
Schedule of Investments [Line Items]                            
Unearned income   84 164                      
Investment, Identifier [Axis]: GC Waves Holdings, Inc. | First lien                            
Schedule of Investments [Line Items]                            
Cost [3],[24]   21,078 21,078                      
Investments at fair value [3],[24]   21,126 21,126                      
Principal amount, par value [3],[11],[24]   21,126 21,126                      
Investment, Identifier [Axis]: GC Waves Holdings, Inc. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (30) [3],[4],[9] (30) [3],[4],[9]       (30) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   3,951 [3],[4],[9],[11] 3,951 [3],[4],[9],[11]       3,951 [7],[8],[10],[12]              
Investment, Identifier [Axis]: GC Waves Holdings, Inc. | First lien 1                            
Schedule of Investments [Line Items]                            
Cost [7],[14],[15]             35,742              
Investments at fair value [7],[14],[15]             35,918              
Principal amount, par value [7],[12],[14],[15]             35,918              
Investment, Identifier [Axis]: GC Waves Holdings, Inc. | First lien 2                            
Schedule of Investments [Line Items]                            
Cost [7],[25]             21,180              
Investments at fair value [7],[25]             21,233              
Principal amount, par value [7],[12],[25]             21,233              
Investment, Identifier [Axis]: GEDC Equity, LLC | Participation Interest                            
Schedule of Investments [Line Items]                            
Cost   190 [3],[4] 190 [3],[4]       190 [7],[8]              
Investments at fair value   0 [3],[4] 0 [3],[4]       50 [7],[8]              
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   4,793 4,793                      
Investments at fair value [3],[4],[9]   4,522 4,522                      
Principal amount, par value [3],[4],[9],[11]   4,818 4,818                      
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien - Drawn 1                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             1,779              
Investments at fair value [7],[8],[10]             1,786              
Principal amount, par value [7],[8],[10],[12]             1,786              
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien - Drawn 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             446              
Investments at fair value [7],[8],[10]             448              
Principal amount, par value [7],[8],[10],[12]             448              
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   0 0                      
Investments at fair value [3],[4],[9]   0 0                      
Principal amount, par value [3],[4],[9],[11]   3 3                      
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             0              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             759              
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (19)              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             3,036              
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   20,941 [3],[24] 20,941 [3],[24]       25,049 [7],[14],[15]              
Investments at fair value   19,673 [3],[24] 19,673 [3],[24]       25,079 [7],[14],[15]              
Principal amount, par value   20,962 [3],[11],[24] 20,962 [3],[11],[24]       25,079 [7],[12],[14],[15]              
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   444 [3],[4] 444 [3],[4]       21,048 [7],[25]              
Investments at fair value   419 [3],[4] 419 [3],[4]       21,074 [7],[25]              
Principal amount, par value   446 [3],[4],[11] 446 [3],[4],[11]       21,074 [7],[12],[25]              
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien 3                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[16]             2,874              
Investments at fair value [7],[8],[16]             2,878              
Principal amount, par value [7],[8],[12],[16]             2,878              
Investment, Identifier [Axis]: Greenway Health, LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost   6,152 [3],[4],[20] 6,152 [3],[4],[20]       6,175 [7],[8],[16]              
Investments at fair value   6,085 [3],[4],[20] 6,085 [3],[4],[20]       6,238 [7],[8],[16]              
Principal amount, par value   6,206 [3],[4],[11],[20] 6,206 [3],[4],[11],[20]       6,238 [7],[8],[12],[16]              
Investment, Identifier [Axis]: HBWM Holdings, LLC | Common Units                            
Schedule of Investments [Line Items]                            
Cost [3],[39],[40]   4,810 4,810                      
Investments at fair value [3],[39],[40]   10,922 10,922                      
Investment, Identifier [Axis]: HBWM Holdings, LLC | Common units                            
Schedule of Investments [Line Items]                            
Cost [7],[41],[42]             4,776              
Investments at fair value [7],[41],[42]             10,854              
Principal amount, par value   4,810 4,810       4,776              
Investment, Identifier [Axis]: HP TLE Buyer, Inc. | First lien                            
Schedule of Investments [Line Items]                            
Cost   8,131 [3],[17],[18] 8,131 [3],[17],[18]       8,129 [7],[14],[15]              
Investments at fair value   8,168 [3],[17],[18] 8,168 [3],[17],[18]       8,127 [7],[14],[15]              
Principal amount, par value   8,168 [3],[11],[17],[18] 8,168 [3],[11],[17],[18]       8,168 [7],[12],[14],[15]              
Investment, Identifier [Axis]: HP TLE Buyer, Inc. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (9) [3],[4],[9] (9) [3],[4],[9]       (9) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       (9) [7],[8],[10]              
Principal amount, par value   1,797 [3],[4],[9],[11] 1,797 [3],[4],[9],[11]       1,797 [7],[8],[10],[12]              
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc. | Second lien 1                            
Schedule of Investments [Line Items]                            
Cost   24,806 [3],[24] 24,806 [3],[24]       23,683 [7],[25]              
Investments at fair value   15,345 [3],[24] 15,345 [3],[24]       19,640 [7],[25]              
Principal amount, par value   24,854 [3],[11],[24] 24,854 [3],[11],[24]       23,738 [7],[12],[25]              
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc. | Second lien 2                            
Schedule of Investments [Line Items]                            
Cost   4,632 [3],[18] 4,632 [3],[18]       4,421 [7],[14],[15]              
Investments at fair value   2,870 [3],[18] 2,870 [3],[18]       3,673 [7],[14],[15]              
Principal amount, par value   4,648 [3],[11],[18] 4,648 [3],[11],[18]       4,440 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Healthspan Buyer, LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[16]             4,980              
Investments at fair value [7],[8],[16]             5,018              
Principal amount, par value [7],[8],[12],[16]             5,018              
Investment, Identifier [Axis]: Healthspan Buyer, LLC | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (12) [3],[4],[9] (12) [3],[4],[9]       (12) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   1,229 [3],[4],[9],[11] 1,229 [3],[4],[9],[11]       1,229 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Healthspan Buyer, LLC | First lien 1                            
Schedule of Investments [Line Items]                            
Cost [3],[17],[18]   32,007 32,007                      
Investments at fair value [3],[17],[18]   32,320 32,320                      
Principal amount, par value [3],[11],[17],[18]   32,320 32,320                      
Investment, Identifier [Axis]: Healthspan Buyer, LLC | First lien 2                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[20]   4,958 4,958                      
Investments at fair value [3],[4],[20]   4,992 4,992                      
Principal amount, par value [3],[4],[11],[20]   4,992 4,992                      
Investment, Identifier [Axis]: Houghton Mifflin Harcourt Company | First lien                            
Schedule of Investments [Line Items]                            
Cost   14,003 [17],[18] 14,003 [17],[18]       14,044 [14],[15]              
Investments at fair value   11,331 [17],[18] 11,331 [17],[18]       12,689 [14],[15]              
Principal amount, par value   14,262 [11],[17],[18] 14,262 [11],[17],[18]       14,336 [12],[14],[15]              
Investment, Identifier [Axis]: IG Investments Holdings, LLC | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (38) [3],[4],[9] (38) [3],[4],[9]       (38) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   3,780 [3],[4],[9],[11] 3,780 [3],[4],[9],[11]       3,780 [7],[8],[10],[12]              
Investment, Identifier [Axis]: IG Investments Holdings, LLC | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   32,190 [3],[17],[18] 32,190 [3],[17],[18]       32,329 [7],[14],[15]              
Investments at fair value   32,307 [3],[17],[18] 32,307 [3],[17],[18]       32,471 [7],[14],[15]              
Principal amount, par value   32,307 [3],[11],[17],[18] 32,307 [3],[11],[17],[18]       32,471 [7],[12],[14],[15]              
Investment, Identifier [Axis]: IG Investments Holdings, LLC | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   2,506 [3],[4],[20] 2,506 [3],[4],[20]       2,517 [7],[8],[16]              
Investments at fair value   2,504 [3],[4],[20] 2,504 [3],[4],[20]       2,517 [7],[8],[16]              
Principal amount, par value   2,504 [3],[4],[11],[20] 2,504 [3],[4],[11],[20]       2,517 [7],[8],[12],[16]              
Investment, Identifier [Axis]: IMA Financial Group, Inc. | Class C Common Shares                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[20]   4,411 4,411                      
Investments at fair value [3],[4],[20]   4,411 4,411                      
Investment, Identifier [Axis]: Icefall Parent, Inc. | First lien                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[20]   4,661 4,661                      
Investments at fair value [3],[4],[20]   4,828 4,828                      
Principal amount, par value [3],[4],[11],[20]   4,828 4,828                      
Investment, Identifier [Axis]: Icefall Parent, Inc. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   (17) (17)                      
Investments at fair value [3],[4],[9]   0 0                      
Principal amount, par value [3],[4],[9],[11]   475 475                      
Investment, Identifier [Axis]: Infogain Corporation | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (27) [3],[4],[9] (27) [3],[4],[9]       (29) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   3,593 [3],[4],[9],[11] 3,593 [3],[4],[9],[11]       3,827 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Infogain Corporation | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   7,614 [3],[17],[18] 7,614 [3],[17],[18]       18,263 [7],[14],[15]              
Investments at fair value   7,645 [3],[17],[18] 7,645 [3],[17],[18]       18,324 [7],[14],[15]              
Principal amount, par value   7,645 [3],[11],[17],[18] 7,645 [3],[11],[17],[18]       18,324 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Infogain Corporation | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   233 [3],[4],[9] 233 [3],[4],[9]       7,647 [7],[14],[15]              
Investments at fair value   234 [3],[4],[9] 234 [3],[4],[9]       7,685 [7],[14],[15]              
Principal amount, par value   234 [3],[4],[9],[11] 234 [3],[4],[9],[11]       7,685 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Infogain Corporation | Subordinated                            
Schedule of Investments [Line Items]                            
Cost   6,223 [3],[4] 6,223 [3],[4]       16,534 [7],[8]              
Investments at fair value   6,265 [3],[4] 6,265 [3],[4]       16,661 [7],[8]              
Principal amount, par value   6,265 [3],[4],[11] 6,265 [3],[4],[11]       16,661 [7],[8],[12]              
Investment, Identifier [Axis]: Ivy Hill Middle Market Credit Fund, Ltd | Structured Finance Obligation                            
Schedule of Investments [Line Items]                            
Cost   3,232 [3],[4],[22] 3,232 [3],[4],[22]       3,232 [7],[8],[23]              
Investments at fair value   3,191 [3],[4],[22] 3,191 [3],[4],[22]       3,277 [7],[8],[23]              
Principal amount, par value   3,232 [3],[4],[11],[22] 3,232 [3],[4],[11],[22]       3,232 [7],[8],[12],[23]              
Investment, Identifier [Axis]: Jawbreaker Parent, Inc. | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   0 0                      
Investments at fair value [3],[4],[9]   (8) (8)                      
Principal amount, par value [3],[4],[9],[11]   1,503 1,503                      
Investment, Identifier [Axis]: Jawbreaker Parent, Inc. | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   (8) (8)                      
Investments at fair value [3],[4],[9]   (8) (8)                      
Principal amount, par value [3],[4],[9],[11]   1,503 1,503                      
Investment, Identifier [Axis]: Jawbreaker Parent, Inc. | First lien 1                            
Schedule of Investments [Line Items]                            
Cost [3],[17],[18]   7,759 7,759                      
Investments at fair value [3],[17],[18]   7,757 7,757                      
Principal amount, par value [3],[11],[17],[18]   7,796 7,796                      
Investment, Identifier [Axis]: Jawbreaker Parent, Inc. | First lien 2                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[20]   3,728 3,728                      
Investments at fair value [3],[4],[20]   3,709 3,709                      
Principal amount, par value [3],[4],[11],[20]   3,728 3,728                      
Investment, Identifier [Axis]: Jawbreaker Topco, L.P. | Class A-1 Common Units                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[43]   2,476 2,476                      
Investments at fair value [3],[4],[43]   2,476 2,476                      
Investment, Identifier [Axis]: KPSKY Acquisition Inc. | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   6,695 [3],[4],[20] 6,695 [3],[4],[20]       6,724 [7],[8],[16]              
Investments at fair value   6,157 [3],[4],[20] 6,157 [3],[4],[20]       6,331 [7],[8],[16]              
Principal amount, par value   6,721 [3],[4],[11],[20] 6,721 [3],[4],[11],[20]       6,756 [7],[8],[12],[16]              
Investment, Identifier [Axis]: KPSKY Acquisition Inc. | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   1,126 [3],[4],[20] 1,126 [3],[4],[20]       1,130 [7],[8],[16]              
Investments at fair value   1,036 [3],[4],[20] 1,036 [3],[4],[20]       1,066 [7],[8],[16]              
Principal amount, par value   1,131 [3],[4],[11],[20] 1,131 [3],[4],[11],[20]       1,137 [7],[8],[12],[16]              
Investment, Identifier [Axis]: KPSKY Acquisition Inc. | First lien 3                            
Schedule of Investments [Line Items]                            
Cost   767 [3],[4],[20] 767 [3],[4],[20]       770 [7],[8],[16]              
Investments at fair value   706 [3],[4],[20] 706 [3],[4],[20]       726 [7],[8],[16]              
Principal amount, par value   770 [3],[4],[11],[20] 770 [3],[4],[11],[20]       774 [7],[8],[12],[16]              
Investment, Identifier [Axis]: KPSKY Acquisition Inc. | First lien 4                            
Schedule of Investments [Line Items]                            
Cost   18 [3],[4] 18 [3],[4]       18 [7],[8]              
Investments at fair value   17 [3],[4] 17 [3],[4]       18 [7],[8]              
Principal amount, par value   19 [3],[4],[11] 19 [3],[4],[11]       19 [7],[8],[12]              
Investment, Identifier [Axis]: Kele Holdco, Inc. | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost   1,074 [3],[4],[9],[20] 1,074 [3],[4],[9],[20]       269 [7],[8],[10],[16]              
Investments at fair value   1,079 [3],[4],[9],[20] 1,079 [3],[4],[9],[20]       270 [7],[8],[10],[16]              
Principal amount, par value   1,079 [3],[4],[9],[11],[20] 1,079 [3],[4],[9],[11],[20]       270 [7],[8],[10],[12],[16]              
Investment, Identifier [Axis]: Kele Holdco, Inc. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (4) [3],[4],[9] (4) [3],[4],[9]       (8) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   720 [3],[4],[9],[11] 720 [3],[4],[9],[11]       1,529 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Kele Holdco, Inc. | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   14,383 [3],[24] 14,383 [3],[24]       14,461 [7],[25]              
Investments at fair value   14,392 [3],[24] 14,392 [3],[24]       14,473 [7],[25]              
Principal amount, par value   14,392 [3],[11],[24] 14,392 [3],[11],[24]       14,473 [7],[12],[25]              
Investment, Identifier [Axis]: Kele Holdco, Inc. | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   1,106 [3],[24] 1,106 [3],[24]       1,236 [7],[25]              
Investments at fair value   1,109 [3],[24] 1,109 [3],[24]       1,241 [7],[25]              
Principal amount, par value   1,109 [3],[11],[24] 1,109 [3],[11],[24]       1,241 [7],[12],[25]              
Investment, Identifier [Axis]: Knockout Intermediate Holdings I Inc. | Preferred Shares                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[44]   14,203 14,203                      
Investments at fair value [3],[4],[44]   9,294 9,294                      
Investment, Identifier [Axis]: Knockout Intermediate Holdings I Inc. | Preferred shares                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[45]             13,248              
Investments at fair value [7],[8],[45]             13,324              
Principal amount, par value   14,279 14,279       13,323              
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost [7],[25]             6,198              
Investments at fair value [7],[25]             6,250              
Principal amount, par value [7],[12],[25]             6,250              
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   195 195                      
Investments at fair value [3],[4],[9]   193 193                      
Principal amount, par value [3],[4],[9],[11]   197 197                      
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien - Drawn 1                            
Schedule of Investments [Line Items]                            
Cost [7],[10],[25]             293              
Investments at fair value [7],[10],[25]             296              
Principal amount, par value [7],[10],[12],[25]             296              
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien - Drawn 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             230              
Investments at fair value [7],[8],[10]             233              
Principal amount, par value [7],[8],[10],[12]             233              
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   (5) (5)                      
Investments at fair value [3],[4],[9]   (10) (10)                      
Principal amount, par value [3],[4],[9],[11]   519 519                      
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost [7],[10],[25]             0              
Investments at fair value [7],[10],[25]             0              
Principal amount, par value [7],[10],[12],[25]             61              
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (5)              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             483              
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien 1                            
Schedule of Investments [Line Items]                            
Cost [3],[24]   6,234 6,234                      
Investments at fair value [3],[24]   6,220 6,220                      
Principal amount, par value [3],[11],[24]   6,281 6,281                      
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien 2                            
Schedule of Investments [Line Items]                            
Cost [3],[24]   351 351                      
Investments at fair value [3],[24]   348 348                      
Principal amount, par value [3],[11],[24]   355 355                      
Investment, Identifier [Axis]: Logrhythm, Inc. | First lien                            
Schedule of Investments [Line Items]                            
Cost   4,189 [3],[4] 4,189 [3],[4]       4,148 [7],[8]              
Investments at fair value   3,575 [3],[4] 3,575 [3],[4]       3,994 [7],[8]              
Principal amount, par value   4,231 [3],[4],[11] 4,231 [3],[4],[11]       4,196 [7],[8],[12]              
Investment, Identifier [Axis]: Logrhythm, Inc. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (6) [3],[4],[9] (6) [3],[4],[9]       (6) [7],[8],[10]              
Investments at fair value   (65) [3],[4],[9] (65) [3],[4],[9]       (20) [7],[8],[10]              
Principal amount, par value   420 [3],[4],[9],[11] 420 [3],[4],[9],[11]       420 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Low Voltage Holdings Inc. | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   289 289                      
Investments at fair value [3],[4],[9]   289 289                      
Principal amount, par value [3],[4],[9],[11]   290 290                      
Investment, Identifier [Axis]: Low Voltage Holdings Inc. | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost   (3) [3],[4],[9] (3) [3],[4],[9]       (3) [7],[8],[10]              
Investments at fair value   (3) [3],[4],[9] (3) [3],[4],[9]       (3) [7],[8],[10]              
Principal amount, par value   819 [3],[4],[9],[11] 819 [3],[4],[9],[11]       819 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Low Voltage Holdings Inc. | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost   (8) [3],[4],[9] (8) [3],[4],[9]       (9) [7],[8],[10]              
Investments at fair value   (8) [3],[4],[9] (8) [3],[4],[9]       (9) [7],[8],[10]              
Principal amount, par value   2,028 [3],[4],[9],[11] 2,028 [3],[4],[9],[11]       2,317 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Low Voltage Holdings Inc. | First lien - Undrawn 3                            
Schedule of Investments [Line Items]                            
Cost   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Investments at fair value   (10) [3],[4],[9] (10) [3],[4],[9]       (14) [7],[8],[10]              
Principal amount, par value   2,738 [3],[4],[9],[11] 2,738 [3],[4],[9],[11]       3,698 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Low Voltage Holdings Inc. | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   18,354 [3],[17],[18] 18,354 [3],[17],[18]       16,979 [7],[14],[15]              
Investments at fair value   18,345 [3],[17],[18] 18,345 [3],[17],[18]       16,975 [7],[14],[15]              
Principal amount, par value   18,414 [3],[11],[17],[18] 18,414 [3],[11],[17],[18]       17,038 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Low Voltage Holdings Inc. | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   954 [3],[4],[20] 954 [3],[4],[20]       1,417 [7],[8],[16]              
Investments at fair value   954 [3],[4],[20] 954 [3],[4],[20]       1,417 [7],[8],[16]              
Principal amount, par value   958 [3],[4],[11],[20] 958 [3],[4],[11],[20]       1,422 [7],[8],[12],[16]              
Investment, Identifier [Axis]: MRI Software LLC | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost   498 [3],[4],[9] 498 [3],[4],[9]       398 [7],[8],[10]              
Investments at fair value   492 [3],[4],[9] 492 [3],[4],[9]       400 [7],[8],[10]              
Principal amount, par value   501 [3],[4],[9],[11] 501 [3],[4],[9],[11]       400 [7],[8],[10],[12]              
Investment, Identifier [Axis]: MRI Software LLC | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (8) [3],[4],[9] (8) [3],[4],[9]       (8) [7],[8],[10]              
Investments at fair value   (26) [3],[4],[9] (26) [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   1,502 [3],[4],[9],[11] 1,502 [3],[4],[9],[11]       1,602 [7],[8],[10],[12]              
Investment, Identifier [Axis]: MRI Software LLC | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   21,075 [3],[24] 21,075 [3],[24]       21,183 [7],[25]              
Investments at fair value   20,734 [3],[24] 20,734 [3],[24]       21,205 [7],[25]              
Principal amount, par value   21,092 [3],[11],[24] 21,092 [3],[11],[24]       21,205 [7],[12],[25]              
Investment, Identifier [Axis]: MRI Software LLC | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   7,469 [3],[4],[20] 7,469 [3],[4],[20]       7,506 [7],[8],[16]              
Investments at fair value   7,345 [3],[4],[20] 7,345 [3],[4],[20]       7,512 [7],[8],[16]              
Principal amount, par value   7,472 [3],[4],[11],[20] 7,472 [3],[4],[11],[20]       7,512 [7],[8],[12],[16]              
Investment, Identifier [Axis]: MRI Software LLC | First lien 3                            
Schedule of Investments [Line Items]                            
Cost   4,449 [3],[17],[18] 4,449 [3],[17],[18]       4,471 [7],[14],[15]              
Investments at fair value   4,375 [3],[17],[18] 4,375 [3],[17],[18]       4,474 [7],[14],[15]              
Principal amount, par value   4,450 [3],[11],[17],[18] 4,450 [3],[11],[17],[18]       4,474 [7],[12],[14],[15]              
Investment, Identifier [Axis]: MRI Software LLC | First lien 4                            
Schedule of Investments [Line Items]                            
Cost   3,057 [3],[17],[18] 3,057 [3],[17],[18]       3,072 [7],[14],[15]              
Investments at fair value   3,006 [3],[17],[18] 3,006 [3],[17],[18]       3,075 [7],[14],[15]              
Principal amount, par value   3,058 [3],[11],[17],[18] 3,058 [3],[11],[17],[18]       3,075 [7],[12],[14],[15]              
Investment, Identifier [Axis]: MRI Software LLC | First lien 5                            
Schedule of Investments [Line Items]                            
Cost   780 [3],[4],[20] 780 [3],[4],[20]       784 [7],[8],[16]              
Investments at fair value   767 [3],[4],[20] 767 [3],[4],[20]       785 [7],[8],[16]              
Principal amount, par value   781 [3],[4],[11],[20] 781 [3],[4],[11],[20]       785 [7],[8],[12],[16]              
Investment, Identifier [Axis]: Mai Capital Management Intermediate LLC | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9],[20]   1,867 1,867                      
Investments at fair value [3],[4],[9],[20]   1,884 1,884                      
Principal amount, par value [3],[4],[9],[11],[20]   1,884 1,884                      
Investment, Identifier [Axis]: Mai Capital Management Intermediate LLC | First lien - Drawn 1                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10],[16]             1,959              
Investments at fair value [7],[8],[10],[16]             1,979              
Principal amount, par value [7],[8],[10],[12],[16]             1,979              
Investment, Identifier [Axis]: Mai Capital Management Intermediate LLC | First lien - Drawn 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             57              
Investments at fair value [7],[8],[10]             57              
Principal amount, par value [7],[8],[10],[12]             57              
Investment, Identifier [Axis]: Mai Capital Management Intermediate LLC | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   1,099 [3],[4],[9],[11] 1,099 [3],[4],[9],[11]       1,709 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Mai Capital Management Intermediate LLC | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost   (2) [3],[4],[9] (2) [3],[4],[9]       (1) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   308 [3],[4],[9],[11] 308 [3],[4],[9],[11]       251 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Matterhorn Finco, Inc., | First lien                            
Schedule of Investments [Line Items]                            
Cost [3],[17],[18],[22]   7,944 7,944                      
Investments at fair value [3],[17],[18],[22]   7,943 7,943                      
Principal amount, par value [3],[11],[17],[18],[22]   7,982 7,982                      
Investment, Identifier [Axis]: Matterhorn Finco, Inc., | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9],[22]   (10) (10)                      
Investments at fair value [3],[4],[9],[22]   (10) (10)                      
Principal amount, par value [3],[4],[9],[11],[22]   1,985 1,985                      
Investment, Identifier [Axis]: Meta Buyer LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost [14],[15]             2,972              
Investments at fair value [14],[15]             2,972              
Principal amount, par value [12],[14],[15]             2,987              
Investment, Identifier [Axis]: Meta Buyer LLC | First lien - Drawn 1                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   175 175                      
Investments at fair value [3],[4],[9]   175 175                      
Principal amount, par value [3],[4],[9],[11]   176 176                      
Investment, Identifier [Axis]: Meta Buyer LLC | First lien - Drawn 2                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   123 123                      
Investments at fair value [3],[4],[9]   123 123                      
Principal amount, par value [3],[4],[9],[11]   124 124                      
Investment, Identifier [Axis]: Meta Buyer LLC | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost   (1) [3],[4],[9] (1) [3],[4],[9]       0 [8],[10]              
Investments at fair value   (2) [3],[4],[9] (2) [3],[4],[9]       0 [8],[10]              
Principal amount, par value   412 [3],[4],[9],[11] 412 [3],[4],[9],[11]       819 [8],[10],[12]              
Investment, Identifier [Axis]: Meta Buyer LLC | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost   0 [3],[4],[9] 0 [3],[4],[9]       0 [8],[10]              
Investments at fair value   (3) [3],[4],[9] (3) [3],[4],[9]       0 [8],[10]              
Principal amount, par value   642 [3],[4],[9],[11] 642 [3],[4],[9],[11]       409 [8],[10],[12]              
Investment, Identifier [Axis]: Meta Buyer LLC | First lien - Undrawn 3                            
Schedule of Investments [Line Items]                            
Cost [8],[10]             (2)              
Investments at fair value [8],[10]             (2)              
Principal amount, par value [8],[10],[12]             536              
Investment, Identifier [Axis]: Meta Buyer LLC | First lien 1                            
Schedule of Investments [Line Items]                            
Cost [3],[17],[18]   2,958 2,958                      
Investments at fair value [3],[17],[18]   2,957 2,957                      
Principal amount, par value [3],[11],[17],[18]   2,972 2,972                      
Investment, Identifier [Axis]: Meta Buyer LLC | First lien 2                            
Schedule of Investments [Line Items]                            
Cost [3],[4]   405 405                      
Investments at fair value [3],[4]   406 406                      
Principal amount, par value [3],[4],[11]   408 408                      
Investment, Identifier [Axis]: Model N, Inc. | First lien                            
Schedule of Investments [Line Items]                            
Cost [7],[14],[15]             43,592              
Investments at fair value [7],[14],[15]             43,774              
Principal amount, par value [7],[12],[14],[15]             43,774              
Investment, Identifier [Axis]: Model N, Inc. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   (24) (24)                      
Investments at fair value [3],[4],[9]   (41) (41)                      
Principal amount, par value [3],[4],[9],[11]   4,825 4,825                      
Investment, Identifier [Axis]: Model N, Inc. | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             0              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             9,047              
Investment, Identifier [Axis]: Model N, Inc. | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (24)              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             4,825              
Investment, Identifier [Axis]: Model N, Inc. | First lien 1                            
Schedule of Investments [Line Items]                            
Cost [3],[17],[18]   43,384 43,384                      
Investments at fair value [3],[17],[18]   43,187 43,187                      
Principal amount, par value [3],[11],[17],[18]   43,553 43,553                      
Investment, Identifier [Axis]: Model N, Inc. | First lien 2                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[20]   4,490 4,490                      
Investments at fair value [3],[4],[20]   4,474 4,474                      
Principal amount, par value [3],[4],[11],[20]   4,512 4,512                      
Investment, Identifier [Axis]: NC Topco, LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost [7],[14],[15]             5,838              
Investments at fair value [7],[14],[15]             5,862              
Principal amount, par value [7],[12],[14],[15]             5,862              
Investment, Identifier [Axis]: NC Topco, LLC | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             0              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             1,672              
Investment, Identifier [Axis]: NC Topco, LLC | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (3)              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             669              
Investment, Identifier [Axis]: NC Topco, LLC | First lien 1                            
Schedule of Investments [Line Items]                            
Cost [3],[17],[18]   5,810 5,810                      
Investments at fair value [3],[17],[18]   5,775 5,775                      
Principal amount, par value [3],[11],[17],[18]   5,833 5,833                      
Investment, Identifier [Axis]: NC Topco, LLC | First lien 2                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[20]   1,665 1,665                      
Investments at fair value [3],[4],[20]   1,656 1,656                      
Principal amount, par value [3],[4],[11],[20]   1,672 1,672                      
Investment, Identifier [Axis]: NC Topco, LLC. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   (3) (3)                      
Investments at fair value [3],[4],[9]   (7) (7)                      
Principal amount, par value [3],[4],[9],[11]   669 669                      
Investment, Identifier [Axis]: NHME Holdings Corp. | Ordinary shares                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[46],[47]             4,000              
Investments at fair value [7],[8],[46],[47]             0              
Investment, Identifier [Axis]: NHME Holdings Corp. | Warrants                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[46],[47]             1,000              
Investments at fair value [7],[8],[46],[47]             0              
Investment, Identifier [Axis]: NM GP Holdco, LLC                            
Schedule of Investments [Line Items]                            
Investments at fair value   418 418       390     322        
Investment, Identifier [Axis]: NM GP Holdco, LLC | Membership Interest                            
Schedule of Investments [Line Items]                            
Cost [3],[22],[48],[49]   907 907                      
Investments at fair value [3],[22],[48],[49]   418 418                      
Investment, Identifier [Axis]: NM GP Holdco, LLC | Membership interest                            
Schedule of Investments [Line Items]                            
Cost [7],[23],[47],[50]             850              
Investments at fair value [7],[23],[47],[50]             390              
Investment, Identifier [Axis]: NM NL Holdings, L.P.                            
Schedule of Investments [Line Items]                            
Investments at fair value   112,303 112,303       106,096     104,512        
Investment, Identifier [Axis]: NM NL Holdings, L.P. | Membership Interest                            
Schedule of Investments [Line Items]                            
Cost [3],[22],[48],[49]   76,444 76,444                      
Investments at fair value [3],[22],[48],[49]   112,303 112,303                      
Investment, Identifier [Axis]: NM NL Holdings, L.P. | Membership interest                            
Schedule of Investments [Line Items]                            
Cost [7],[23],[47],[50]             74,248              
Investments at fair value [7],[23],[47],[50]             106,096              
Investment, Identifier [Axis]: NM YI LLC                            
Schedule of Investments [Line Items]                            
Investments at fair value   8,687 8,687       8,641     9,960        
Investment, Identifier [Axis]: NM YI, LLC | Membership Interest                            
Schedule of Investments [Line Items]                            
Cost [3],[48],[49]   6,272 6,272                      
Investments at fair value [3],[48],[49]   8,687 8,687                      
Investment, Identifier [Axis]: NM YI, LLC | Membership interest                            
Schedule of Investments [Line Items]                            
Cost [7],[47],[50]             6,272              
Investments at fair value [7],[47],[50]             8,641              
Investment, Identifier [Axis]: NMFC Senior Loan Program III LLC                            
Schedule of Investments [Line Items]                            
Investments at fair value   157,872 157,872       160,000     160,000        
Investment, Identifier [Axis]: NMFC Senior Loan Program III LLC | Membership Interest                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[22],[49]   160,000 160,000                      
Investments at fair value [3],[4],[22],[49]   157,872 157,872                      
Investment, Identifier [Axis]: NMFC Senior Loan Program III LLC | Membership interest                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[23],[47]             160,000              
Investments at fair value [7],[8],[23],[47]             160,000              
Investment, Identifier [Axis]: NMFC Senior Loan Program IV LLC                            
Schedule of Investments [Line Items]                            
Investments at fair value   105,532 105,532       112,400     112,400        
Investment, Identifier [Axis]: NMFC Senior Loan Program IV LLC | Membership Interest                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[22],[49]   112,400 112,400                      
Investments at fair value [3],[4],[22],[49]   105,532 105,532                      
Investment, Identifier [Axis]: NMFC Senior Loan Program IV LLC | Membership interest                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[23],[47]             112,400              
Investments at fair value [7],[8],[23],[47]             112,400              
Investment, Identifier [Axis]: National HME, Inc. | Second lien                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[46],[47]             7,872              
Investments at fair value [7],[8],[46],[47]             0              
Principal amount, par value [7],[8],[12],[46],[47]             8,281              
Investment, Identifier [Axis]: National HME, Inc./NHME Holdings Corp.                            
Schedule of Investments [Line Items]                            
Investments at fair value   0 0       0     3,000        
Investment, Identifier [Axis]: Nelipak Holding Company | First lien - Drawn 1                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10],[16]             2,152              
Investments at fair value [7],[8],[10],[16]             2,168              
Principal amount, par value [7],[8],[10],[12],[16]             2,168              
Investment, Identifier [Axis]: Nelipak Holding Company | First lien - Drawn 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10],[16],[51]             389              
Investments at fair value [7],[8],[10],[16],[51]             392              
Principal amount, par value [7],[8],[10],[12],[16],[51]             392              
Investment, Identifier [Axis]: Nelipak Holding Company | First lien - Drawn 3                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             121              
Investments at fair value [7],[8],[10]             123              
Principal amount, par value             123 € 105 [10]            
Investment, Identifier [Axis]: Nelipak Holding Company | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   1,332 [3],[4],[9],[11] 1,332 [3],[4],[9],[11]       1,332 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Nelipak Holding Company | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost   0 [3],[4],[9],[20],[52] 0 [3],[4],[9],[20],[52]       0 [7],[8],[10],[16],[51]              
Investments at fair value   0 [3],[4],[9],[20],[52] 0 [3],[4],[9],[20],[52]       0 [7],[8],[10],[16],[51]              
Principal amount, par value   7,322 7,322   € 6,411 [9]   7,529 6,411 [10],[16],[51]            
Investment, Identifier [Axis]: Nelipak Holding Company | First lien - Undrawn 3                            
Schedule of Investments [Line Items]                            
Cost   (10) [3],[4],[9],[20],[52] (10) [3],[4],[9],[20],[52]       (8) [7],[8],[10],[16],[51]              
Investments at fair value   0 [3],[4],[9],[20],[52] 0 [3],[4],[9],[20],[52]       0 [7],[8],[10],[16],[51]              
Principal amount, par value   1,366 1,366   1,196 [9]   1,282 1,092 [10],[16],[51]            
Investment, Identifier [Axis]: Nelipak Holding Company | First lien - Undrawn 4                            
Schedule of Investments [Line Items]                            
Cost   (20) [3],[4],[9] (20) [3],[4],[9]       (17) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   2,613 [3],[4],[9],[11] 2,613 [3],[4],[9],[11]       2,221 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Nelipak Holding Company | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   17,535 [3],[4],[20],[52] 17,535 [3],[4],[20],[52]       17,614 [7],[8],[16],[51]              
Investments at fair value   18,591 [3],[4],[20],[52] 18,591 [3],[4],[20],[52]       19,214 [7],[8],[16],[51]              
Principal amount, par value   18,589 18,589   € 16,275   19,212 € 16,357 [16],[51]            
Investment, Identifier [Axis]: Nelipak Holding Company | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   8,838 [3],[17],[18] 8,838 [3],[17],[18]       8,878 [7],[14],[15]              
Investments at fair value   8,887 [3],[17],[18] 8,887 [3],[17],[18]       8,932 [7],[14],[15]              
Principal amount, par value   8,887 [3],[11],[17],[18] 8,887 [3],[11],[17],[18]       8,932 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Nelipak Holding Company | First lien 3                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[20]   2,143 2,143                      
Investments at fair value [3],[4],[20]   2,157 2,157                      
Principal amount, par value [3],[4],[11],[20]   2,157 2,157                      
Investment, Identifier [Axis]: New ACI Buyer LLC | First lien 1                            
Schedule of Investments [Line Items]                            
Cost [18]   3,572 3,572                      
Investments at fair value [18]   3,572 3,572                      
Principal amount, par value [11],[18]   3,572 3,572                      
Investment, Identifier [Axis]: New ACI Buyer LLC | First lien 2                            
Schedule of Investments [Line Items]                            
Cost [17],[18]   1,841 1,841                      
Investments at fair value [17],[18]   1,841 1,841                      
Principal amount, par value [11],[17],[18]   1,841 1,841                      
Investment, Identifier [Axis]: New ACI Buyer LLC | First lien 3                            
Schedule of Investments [Line Items]                            
Cost [4],[20]   1,686 1,686                      
Investments at fair value [4],[20]   1,686 1,686                      
Principal amount, par value [4],[11],[20]   1,686 1,686                      
Investment, Identifier [Axis]: New ACI Buyer LLC | Subordinated 1                            
Schedule of Investments [Line Items]                            
Cost [18]   3,175 3,175                      
Investments at fair value [18]   3,175 3,175                      
Principal amount, par value [11],[18]   3,175 3,175                      
Investment, Identifier [Axis]: New ACI Buyer LLC | Subordinated 2                            
Schedule of Investments [Line Items]                            
Cost [4],[20]   1,499 1,499                      
Investments at fair value [4],[20]   1,499 1,499                      
Principal amount, par value [4],[11],[20]   1,499 1,499                      
Investment, Identifier [Axis]: New ACI Holdings LLC | Class A Common Units 1                            
Schedule of Investments [Line Items]                            
Cost [18]   7,587 7,587                      
Investments at fair value [18]   7,587 7,587                      
Investment, Identifier [Axis]: New ACI Holdings LLC | Class A Common Units 2                            
Schedule of Investments [Line Items]                            
Cost [4]   3,582 3,582                      
Investments at fair value [4]   3,582 3,582                      
Investment, Identifier [Axis]: New ACI Holdings LLC | Class B Common Units                            
Schedule of Investments [Line Items]                            
Cost [4]   630 630                      
Investments at fair value [4]   630 630                      
Investment, Identifier [Axis]: New Benevis Holdco, Inc. | First lien                            
Schedule of Investments [Line Items]                            
Cost [3],[18],[49]   25,643 25,643                      
Investments at fair value [3],[18],[49]   25,643 25,643                      
Principal amount, par value [3],[11],[18],[49]   25,643 25,643                      
Investment, Identifier [Axis]: New Benevis Holdco, Inc. | First lien 1                            
Schedule of Investments [Line Items]                            
Cost [7],[15],[47]             51,933              
Investments at fair value [7],[15],[47]             51,933              
Principal amount, par value [7],[12],[15],[47]             51,933              
Investment, Identifier [Axis]: New Benevis Holdco, Inc. | First lien 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[16],[47]             45,204              
Investments at fair value [7],[8],[16],[47]             45,204              
Principal amount, par value [7],[8],[12],[16],[47]             45,204              
Investment, Identifier [Axis]: New Benevis Holdco, Inc. | Subordinated                            
Schedule of Investments [Line Items]                            
Cost   28,402 [3],[4],[49] 28,402 [3],[4],[49]       26,483 [7],[8],[47]              
Investments at fair value   28,541 [3],[4],[49] 28,541 [3],[4],[49]       26,878 [7],[8],[47]              
Principal amount, par value   28,541 [3],[4],[11],[49] 28,541 [3],[4],[11],[49]       26,878 [7],[8],[12],[47]              
Investment, Identifier [Axis]: New Benevis Topco, LLC / New Benevis Holdco, Inc.                            
Schedule of Investments [Line Items]                            
Investments at fair value   90,087 90,087       154,464     140,102        
Investment, Identifier [Axis]: New Benevis Topco, LLC | Common Stock 1                            
Schedule of Investments [Line Items]                            
Cost [3],[18],[49]   27,154 27,154                      
Investments at fair value [3],[18],[49]   24,446 24,446                      
Investment, Identifier [Axis]: New Benevis Topco, LLC | Common Stock 2                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[49]   12,768 12,768                      
Investments at fair value [3],[4],[49]   11,457 11,457                      
Investment, Identifier [Axis]: New Benevis Topco, LLC | Common stock 1                            
Schedule of Investments [Line Items]                            
Cost [7],[15],[47]             27,155              
Investments at fair value [7],[15],[47]             20,733              
Investment, Identifier [Axis]: New Benevis Topco, LLC | Common stock 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[47]             12,768              
Investments at fair value [7],[8],[47]             9,716              
Investment, Identifier [Axis]: New Permian Holdco, Inc. / New Permian Holdco, L.L.C.                            
Schedule of Investments [Line Items]                            
Investments at fair value   65,815 65,815       63,833     63,076        
Investment, Identifier [Axis]: New Permian Holdco, Inc. | Ordinary Shares                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[49]   11,155 11,155                      
Investments at fair value [3],[4],[49]   11,000 11,000                      
Investment, Identifier [Axis]: New Permian Holdco, Inc. | Ordinary shares                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[47]             11,155              
Investments at fair value [7],[8],[47]             12,000              
Investment, Identifier [Axis]: New Permian Holdco, L.L.C. | First lien                            
Schedule of Investments [Line Items]                            
Cost   23,336 [3],[4],[20],[49] 23,336 [3],[4],[20],[49]       23,336 [7],[8],[16],[47]              
Investments at fair value   23,336 [3],[4],[20],[49] 23,336 [3],[4],[20],[49]       23,336 [7],[8],[16],[47]              
Principal amount, par value   23,336 [3],[4],[11],[20],[49] 23,336 [3],[4],[11],[20],[49]       23,336 [7],[8],[12],[16],[47]              
Investment, Identifier [Axis]: New Permian Holdco, L.L.C. | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost   31,479 [3],[4],[9],[20],[49] 31,479 [3],[4],[9],[20],[49]       28,497 [7],[8],[10],[16],[47]              
Investments at fair value   31,479 [3],[4],[9],[20],[49] 31,479 [3],[4],[9],[20],[49]       28,497 [7],[8],[10],[16],[47]              
Principal amount, par value   31,479 [3],[4],[9],[11],[20],[49] 31,479 [3],[4],[9],[11],[20],[49]       28,497 [7],[8],[10],[12],[16],[47]              
Investment, Identifier [Axis]: New Permian Holdco, L.L.C. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   0 [3],[4],[9],[49] 0 [3],[4],[9],[49]       0 [7],[8],[10],[47]              
Investments at fair value   0 [3],[4],[9],[49] 0 [3],[4],[9],[49]       0 [7],[8],[10],[47]              
Principal amount, par value   415 [3],[4],[9],[11],[49] 415 [3],[4],[9],[11],[49]       3,397 [7],[8],[10],[12],[47]              
Investment, Identifier [Axis]: Next Holdco, LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost   6,203 [3],[17],[18] 6,203 [3],[17],[18]       6,232 [7],[14],[15]              
Investments at fair value   6,232 [3],[17],[18] 6,232 [3],[17],[18]       6,264 [7],[14],[15]              
Principal amount, par value   6,232 [3],[11],[17],[18] 6,232 [3],[11],[17],[18]       6,264 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Next Holdco, LLC | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (3) [3],[4],[9] (3) [3],[4],[9]       (3) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   339 [3],[4],[9],[11] 339 [3],[4],[9],[11]       339 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Notorious Buyer, LLC | Common Stock                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[53]   7,339 7,339                      
Investments at fair value [3],[4],[53]   5,686 5,686                      
Investment, Identifier [Axis]: Notorious Buyer, LLC | Common stock                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[54]             7,339              
Investments at fair value [7],[8],[54]             7,339              
Investment, Identifier [Axis]: Notorious Topco, LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost [7],[8]             4,692              
Investments at fair value [7],[8]             4,692              
Principal amount, par value [7],[8],[12]             4,692              
Investment, Identifier [Axis]: Notorious Topco, LLC | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   0 [3],[4],[9],[53] 0 [3],[4],[9],[53]       0 [7],[8],[10],[54]              
Investments at fair value   0 [3],[4],[9],[53] 0 [3],[4],[9],[53]       0 [7],[8],[10],[54]              
Principal amount, par value   938 [3],[4],[9],[11],[53] 938 [3],[4],[9],[11],[53]       938 [7],[8],[10],[12],[54]              
Investment, Identifier [Axis]: Notorious Topco, LLC | Subordinated                            
Schedule of Investments [Line Items]                            
Cost [7],[8]             2,252              
Investments at fair value [7],[8]             2,252              
Principal amount, par value [7],[8],[12]             2,252              
Investment, Identifier [Axis]: OEConnection LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost   6,584 [3],[17],[18] 6,584 [3],[17],[18]       6,582 [14],[15]              
Investments at fair value   6,519 [3],[17],[18] 6,519 [3],[17],[18]       6,620 [14],[15]              
Principal amount, par value   6,609 [3],[11],[17],[18] 6,609 [3],[11],[17],[18]       6,609 [12],[14],[15]              
Investment, Identifier [Axis]: OEConnection LLC | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost   0 [3],[4],[9] 0 [3],[4],[9]       0 [8],[10]              
Investments at fair value   (7) [3],[4],[9] (7) [3],[4],[9]       1 [8],[10]              
Principal amount, par value   495 [3],[4],[9],[11] 495 [3],[4],[9],[11]       495 [8],[10],[12]              
Investment, Identifier [Axis]: OEConnection LLC | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost   (3) [3],[4],[9] (3) [3],[4],[9]       (3) [8],[10]              
Investments at fair value   (8) [3],[4],[9] (8) [3],[4],[9]       0 [8],[10]              
Principal amount, par value   618 [3],[4],[9],[11] 618 [3],[4],[9],[11]       618 [8],[10],[12]              
Investment, Identifier [Axis]: PDI TA Holdings, Inc. | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             1,335              
Investments at fair value [7],[8],[10]             1,342              
Principal amount, par value [7],[8],[10],[12]             1,342              
Investment, Identifier [Axis]: PDI TA Holdings, Inc. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (2)              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             488              
Investment, Identifier [Axis]: PDI TA Holdings, Inc. | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   22,115 [3],[13] 22,115 [3],[13]       22,081 [7],[19]              
Investments at fair value   21,198 [3],[13] 21,198 [3],[13]       22,171 [7],[19]              
Principal amount, par value   22,197 [3],[11],[13] 22,197 [3],[11],[13]       22,171 [7],[12],[19]              
Investment, Identifier [Axis]: PDI TA Holdings, Inc. | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   1,821 [3],[4] 1,821 [3],[4]       509 [7],[8],[16]              
Investments at fair value   1,748 [3],[4] 1,748 [3],[4]       509 [7],[8],[16]              
Principal amount, par value   1,830 [3],[4],[11] 1,830 [3],[4],[11]       509 [7],[8],[12],[16]              
Investment, Identifier [Axis]: PDI TA Holdings, Inc. | First lien 3                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[20]   510 510                      
Investments at fair value [3],[4],[20]   487 487                      
Principal amount, par value [3],[4],[11],[20]   510 510                      
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost   172 [3],[4],[9],[20] 172 [3],[4],[9],[20]       64 [7],[8],[10],[16]              
Investments at fair value   167 [3],[4],[9],[20] 167 [3],[4],[9],[20]       61 [7],[8],[10],[16]              
Principal amount, par value   170 [3],[4],[9],[11],[20] 170 [3],[4],[9],[11],[20]       61 [7],[8],[10],[12],[16]              
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (9)              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             426              
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   22,012 [3],[13] 22,012 [3],[13]       22,118 [7],[19]              
Investments at fair value   21,638 [3],[13] 21,638 [3],[13]       22,163 [7],[19]              
Principal amount, par value   22,050 [3],[11],[13] 22,050 [3],[11],[13]       22,163 [7],[12],[19]              
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   8,134 [3],[17],[18] 8,134 [3],[17],[18]       8,175 [7],[14],[15]              
Investments at fair value   7,982 [3],[17],[18] 7,982 [3],[17],[18]       8,175 [7],[14],[15]              
Principal amount, par value   8,134 [3],[11],[17],[18] 8,134 [3],[11],[17],[18]       8,175 [7],[12],[14],[15]              
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   (6) (6)                      
Investments at fair value [3],[4],[9]   (6) (6)                      
Principal amount, par value [3],[4],[9],[11]   316 316                      
Investment, Identifier [Axis]: PPVA Black Elk (Equity) LLC | Claim                            
Schedule of Investments [Line Items]                            
Cost [3],[4]   14,500 14,500                      
Investments at fair value [3],[4]   2,755 2,755                      
Principal amount, par value [3],[4],[11]   14,500 14,500                      
Investment, Identifier [Axis]: PPVA Black Elk (Equity) LLC | Subordinated                            
Schedule of Investments [Line Items]                            
Cost   14,500 14,500       14,500 [7],[8]              
Investments at fair value   2,755 2,755       6,525 [7],[8]              
Principal amount, par value [7],[8],[12]             14,500              
Investment, Identifier [Axis]: PPVA Black Elk (Equity) LLC, Subordinated                            
Schedule of Investments [Line Items]                            
Principal amount, par value                           $ 20,000
Investment, Identifier [Axis]: PPVA Fund, L.P. | Claim                            
Schedule of Investments [Line Items]                            
Cost [55]   0 0                      
Investments at fair value [55]   0 0                      
Principal amount, par value [11],[55]   0 0                      
Investment, Identifier [Axis]: PPVA Fund, L.P. | Collateralized Financing                            
Schedule of Investments [Line Items]                            
Cost [56],[57]             0              
Investments at fair value [56],[57]             0              
Principal amount, par value [12],[56],[57]             0              
Investment, Identifier [Axis]: Permian Trust | First lien                            
Schedule of Investments [Line Items]                            
Cost   0 [3],[4],[29] 0 [3],[4],[29]       0 [7],[8],[30]              
Investments at fair value   0 [3],[4],[29] 0 [3],[4],[29]       0 [7],[8],[30]              
Principal amount, par value   3,409 [3],[4],[11],[29] 3,409 [3],[4],[11],[29]       3,409 [7],[8],[12],[30]              
Investment, Identifier [Axis]: Permian Trust | Trust Claim                            
Schedule of Investments [Line Items]                            
Cost   0 [3],[29],[58] 0 [3],[29],[58]       0 [7],[30],[59]              
Investments at fair value   0 [3],[29],[58] 0 [3],[29],[58]       0 [7],[30],[59]              
Principal amount, par value   247 [3],[11],[29],[58] 247 [3],[11],[29],[58]       247 [7],[12],[30],[59]              
Investment, Identifier [Axis]: PetVet Care Centers, LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost   27,522 [3],[17],[18] 27,522 [3],[17],[18]       27,646 [7],[14],[15]              
Investments at fair value   23,849 [3],[17],[18] 23,849 [3],[17],[18]       26,649 [7],[14],[15]              
Principal amount, par value   27,719 [3],[11],[17],[18] 27,719 [3],[11],[17],[18]       27,861 [7],[12],[14],[15]              
Investment, Identifier [Axis]: PetVet Care Centers, LLC | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost   1,101 [3],[4],[9],[20] 1,101 [3],[4],[9],[20]       367 [7],[8],[10],[16]              
Investments at fair value   957 [3],[4],[9],[20] 957 [3],[4],[9],[20]       355 [7],[8],[10],[16]              
Principal amount, par value   1,112 [3],[4],[9],[11],[20] 1,112 [3],[4],[9],[11],[20]       371 [7],[8],[10],[12],[16]              
Investment, Identifier [Axis]: PetVet Care Centers, LLC | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (26) [3],[4],[9] (26) [3],[4],[9]       (33) [7],[8],[10]              
Investments at fair value   (362) [3],[4],[9] (362) [3],[4],[9]       (145) [7],[8],[10]              
Principal amount, par value   2,596 [3],[4],[9],[11] 2,596 [3],[4],[9],[11]       3,337 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Pioneer Topco I, L.P. | Class A-2 Common Units                            
Schedule of Investments [Line Items]                            
Cost [3],[60]   2,000 2,000                      
Investments at fair value [3],[60]   1,600 1,600                      
Investment, Identifier [Axis]: Pioneer Topco I, L.P. | Class A-2 common units                            
Schedule of Investments [Line Items]                            
Cost [7],[61]             2,000              
Investments at fair value [7],[61]             2,200              
Investment, Identifier [Axis]: Planview Parent, Inc. | First lien                            
Schedule of Investments [Line Items]                            
Cost [4],[20]   3,108 3,108                      
Investments at fair value [4],[20]   3,247 3,247                      
Principal amount, par value [4],[11],[20]   3,755 3,755                      
Investment, Identifier [Axis]: Planview Parent, Inc. | Second lien                            
Schedule of Investments [Line Items]                            
Cost   9,215 [3],[4],[20] 9,215 [3],[4],[20]       9,212 [7],[8],[16]              
Investments at fair value   6,811 [3],[4],[20] 6,811 [3],[4],[20]       8,827 [7],[8],[16]              
Principal amount, par value   9,231 [3],[4],[11],[20] 9,231 [3],[4],[11],[20]       9,231 [7],[8],[12],[16]              
Investment, Identifier [Axis]: Power Grid Holdings, Inc. | First lien                            
Schedule of Investments [Line Items]                            
Cost [7],[19]             15,511              
Investments at fair value [7],[19]             15,597              
Principal amount, par value [7],[12],[19]             15,597              
Investment, Identifier [Axis]: Power Grid Holdings, Inc. | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             425              
Investments at fair value [7],[8],[10]             429              
Principal amount, par value [7],[8],[10],[12]             429              
Investment, Identifier [Axis]: Power Grid Holdings, Inc. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (39)              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             3,861              
Investment, Identifier [Axis]: Project Accelerate Parent, LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost   10,322 [3],[24] 10,322 [3],[24]       10,372 [7],[25]              
Investments at fair value   10,360 [3],[24] 10,360 [3],[24]       10,413 [7],[25]              
Principal amount, par value   10,360 [3],[11],[24] 10,360 [3],[11],[24]       10,413 [7],[12],[25]              
Investment, Identifier [Axis]: Project Accelerate Parent, LLC | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (8) [3],[4],[9] (8) [3],[4],[9]       (8) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   1,510 [3],[4],[9],[11] 1,510 [3],[4],[9],[11]       1,510 [7],[8],[10],[12]              
Investment, Identifier [Axis]: RLG Holdings, LLC | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   9,487 [3],[4],[20] 9,487 [3],[4],[20]       5,816 [14],[15]              
Investments at fair value   10,693 [3],[4],[20] 10,693 [3],[4],[20]       4,419 [14],[15]              
Principal amount, par value   18,577 [3],[4],[11],[20] 18,577 [3],[4],[11],[20]       7,184 [12],[14],[15]              
Investment, Identifier [Axis]: RLG Holdings, LLC | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   6,016 [3],[17],[18] 6,016 [3],[17],[18]       4,109 [14],[15]              
Investments at fair value   4,114 [3],[17],[18] 4,114 [3],[17],[18]       2,613 [14],[15]              
Principal amount, par value   7,147 [3],[11],[17],[18] 7,147 [3],[11],[17],[18]       4,163 [12],[14],[15]              
Investment, Identifier [Axis]: RLG Holdings, LLC | First lien 3                            
Schedule of Investments [Line Items]                            
Cost [3],[17],[18]   4,097 4,097                      
Investments at fair value [3],[17],[18]   2,384 2,384                      
Principal amount, par value [3],[11],[17],[18]   4,142 4,142                      
Investment, Identifier [Axis]: RLG Holdings, LLC | First lien 4                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[20]   576 576                      
Investments at fair value [3],[4],[20]   685 685                      
Principal amount, par value [3],[4],[11],[20]   1,191 1,191                      
Investment, Identifier [Axis]: RLG Holdings, LLC | Second lien                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[20]   1,542 1,542                      
Investments at fair value [3],[4],[20]   3,001 3,001                      
Principal amount, par value [3],[4],[11],[20]   10,768 10,768                      
Investment, Identifier [Axis]: RailPros Parent, LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost   5,773 [3],[17],[18] 5,773 [3],[17],[18]       5,801 [7],[14],[15]              
Investments at fair value   5,799 [3],[17],[18] 5,799 [3],[17],[18]       5,799 [7],[14],[15]              
Principal amount, par value   5,799 [3],[11],[17],[18] 5,799 [3],[11],[17],[18]       5,828 [7],[12],[14],[15]              
Investment, Identifier [Axis]: RailPros Parent, LLC | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   535 535                      
Investments at fair value [3],[4],[9]   538 538                      
Principal amount, par value [3],[4],[9],[11]   538 538                      
Investment, Identifier [Axis]: RailPros Parent, LLC | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost   0 [3],[4],[9] 0 [3],[4],[9]       (4) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       (4) [7],[8],[10]              
Principal amount, par value   1,258 [3],[4],[9],[11] 1,258 [3],[4],[9],[11]       899 [7],[8],[10],[12]              
Investment, Identifier [Axis]: RailPros Parent, LLC | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost   (4) [3],[4],[9] (4) [3],[4],[9]       0 [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       (9) [7],[8],[10]              
Principal amount, par value   899 [3],[4],[9],[11] 899 [3],[4],[9],[11]       1,798 [7],[8],[10],[12]              
Investment, Identifier [Axis]: RealPage, Inc. | First lien                            
Schedule of Investments [Line Items]                            
Cost [17],[18]   1,834 1,834                      
Investments at fair value [17],[18]   1,846 1,846                      
Principal amount, par value [11],[17],[18]   1,958 1,958                      
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC | Trust Claim 1                            
Schedule of Investments [Line Items]                            
Cost   152 [3],[18] 152 [3],[18]       152 [7],[15]              
Investments at fair value   152 [3],[18] 152 [3],[18]       152 [7],[15]              
Principal amount, par value   152 [3],[11],[18] 152 [3],[11],[18]       152 [7],[12],[15]              
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC | Trust Claim 2                            
Schedule of Investments [Line Items]                            
Cost   52 [3],[4] 52 [3],[4]       52 [7],[8]              
Investments at fair value   52 [3],[4] 52 [3],[4]       52 [7],[8]              
Principal amount, par value   52 [3],[4],[11] 52 [3],[4],[11]       52 [7],[8],[12]              
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC | Warrants 1                            
Schedule of Investments [Line Items]                            
Cost   182 [3],[18] 182 [3],[18]       182 [7],[15]              
Investments at fair value   272 [3],[18] 272 [3],[18]       272 [7],[15]              
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC | Warrants 2                            
Schedule of Investments [Line Items]                            
Cost   62 [3],[4] 62 [3],[4]       62 [7],[8]              
Investments at fair value   93 [3],[4] 93 [3],[4]       93 [7],[8]              
Investment, Identifier [Axis]: Riskonnect Parent, LLC | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             0              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             6,349              
Investment, Identifier [Axis]: Sierra Enterprises, LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost   21,120 [3],[17],[18] 21,120 [3],[17],[18]       21,213 [7],[14],[15]              
Investments at fair value   21,250 [3],[17],[18] 21,250 [3],[17],[18]       21,197 [7],[14],[15]              
Principal amount, par value   21,250 [3],[11],[17],[18] 21,250 [3],[11],[17],[18]       21,357 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Sierra Enterprises, LLC | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (20) [3],[4],[9] (20) [3],[4],[9]       (20) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       (20) [7],[8],[10]              
Principal amount, par value   2,717 [3],[4],[9],[11] 2,717 [3],[4],[9],[11]       2,717 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation                            
Schedule of Investments [Line Items]                            
Investments at fair value   2,000 2,000       2,000     2,000        
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation | Ordinary Shares 1                            
Schedule of Investments [Line Items]                            
Cost [3],[18],[29]   11,502 11,502                      
Investments at fair value [3],[18],[29]   1,800 1,800                      
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation | Ordinary Shares 2                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[29]   1,282 1,282                      
Investments at fair value [3],[4],[29]   201 201                      
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation | Ordinary shares 1                            
Schedule of Investments [Line Items]                            
Cost [7],[15],[30]             11,501              
Investments at fair value [7],[15],[30]             1,799              
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation | Ordinary shares 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[30]             1,282              
Investments at fair value [7],[8],[30]             201              
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc. | Series A Preferred Shares 1                            
Schedule of Investments [Line Items]                            
Cost [3],[13]   19,636 19,636                      
Investments at fair value [3],[13]   13,922 13,922                      
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc. | Series A Preferred Shares 2                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[20]   91 91                      
Investments at fair value [3],[4],[20]   64 64                      
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc. | Series A preferred shares                            
Schedule of Investments [Line Items]                            
Principal amount, par value   19,839 19,839       25,639              
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc. | Series A preferred shares 1                            
Schedule of Investments [Line Items]                            
Cost [7],[19]             18,953              
Investments at fair value [7],[19]             18,204              
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc. | Series A preferred shares 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[16]             6,534              
Investments at fair value [7],[8],[16]             6,276              
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc. | Series A preferred shares | Non-accrual status                            
Schedule of Investments [Line Items]                            
Unearned income   709 709                      
Investment, Identifier [Axis]: TMK Hawk Parent, Corp. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   0 [3],[4],[9],[62] 0 [3],[4],[9],[62]       0 [7],[8],[10],[63]              
Investments at fair value   0 [3],[4],[9],[62] 0 [3],[4],[9],[62]       0 [7],[8],[10],[63]              
Principal amount, par value   2,695 [3],[4],[9],[11],[62] 2,695 [3],[4],[9],[11],[62]       2,695 [7],[8],[10],[12],[63]              
Investment, Identifier [Axis]: TMK Hawk Parent, Corp. | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   24,679 [3],[4],[20] 24,679 [3],[4],[20]       22,392 [7],[8],[16]              
Investments at fair value   17,711 [3],[4],[20] 17,711 [3],[4],[20]       14,820 [7],[8],[16]              
Principal amount, par value   27,414 [3],[4],[11],[20] 27,414 [3],[4],[11],[20]       22,939 [7],[8],[12],[16]              
Investment, Identifier [Axis]: TMK Hawk Parent, Corp. | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   6,003 [3],[4],[20] 6,003 [3],[4],[20]       2,878 [7],[8],[16]              
Investments at fair value   6,548 [3],[4],[20] 6,548 [3],[4],[20]       2,594 [7],[8],[16]              
Principal amount, par value   10,238 [3],[4],[11],[20] 10,238 [3],[4],[11],[20]       4,057 [7],[8],[12],[16]              
Investment, Identifier [Axis]: TMK Hawk Parent, Corp. | Subordinated 1                            
Schedule of Investments [Line Items]                            
Cost   356 [3],[18] 356 [3],[18]       337 [7],[15]              
Investments at fair value   356 [3],[18] 356 [3],[18]       337 [7],[15]              
Principal amount, par value   356 [3],[11],[18] 356 [3],[11],[18]       337 [7],[12],[15]              
Investment, Identifier [Axis]: TMK Hawk Parent, Corp. | Subordinated 2                            
Schedule of Investments [Line Items]                            
Cost   348 [3],[4] 348 [3],[4]       325 [7],[8]              
Investments at fair value   412 [3],[4] 412 [3],[4]       325 [7],[8]              
Principal amount, par value   412 [3],[4],[11] 412 [3],[4],[11]       325 [7],[8],[12]              
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC / Edmentum Ultimate Holdings, LLC                            
Schedule of Investments [Line Items]                            
Investments at fair value   43,475 43,475       40,365     91,620        
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC | Class B-1 Common Shares                            
Schedule of Investments [Line Items]                            
Cost   43,212 [4],[29],[52] 43,212 [4],[29],[52]       43,212 [8],[30],[51]              
Investments at fair value   5,000 [4],[29],[52] 5,000 [4],[29],[52]       5,000 [8],[30],[51]              
Principal amount, par value   48,080 48,080       48,080              
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC | Class B-2 Common Shares                            
Schedule of Investments [Line Items]                            
Cost   24,839 [4],[29],[52] 24,839 [4],[29],[52]       24,839 [8],[30],[51]              
Investments at fair value   0 [4],[29],[52] 0 [4],[29],[52]       0 [8],[30],[51]              
Principal amount, par value   29,707 29,707       29,707              
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC | Series C-2 Preferred Units                            
Schedule of Investments [Line Items]                            
Cost   9,385 [3],[4],[29] 9,385 [3],[4],[29]       8,719 [7],[8],[30]              
Investments at fair value   9,385 [3],[4],[29] 9,385 [3],[4],[29]       8,719 [7],[8],[30]              
Investment, Identifier [Axis]: Tempo Acquisition, LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost [4],[20],[22]   19,753 19,753                      
Investments at fair value [4],[20],[22]   23,354 23,354                      
Principal amount, par value [4],[11],[20],[22]   27,536 27,536                      
Investment, Identifier [Axis]: Tennessee Bidco Limited | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   20,099 [3],[4],[20] 20,099 [3],[4],[20]       19,903 [7],[8],[16]              
Investments at fair value   20,017 [3],[4],[20] 20,017 [3],[4],[20]       19,815 [7],[8],[16]              
Principal amount, par value   20,017 [3],[4],[11],[20] 20,017 [3],[4],[11],[20]       19,815 [7],[8],[12],[16]              
Investment, Identifier [Axis]: Tennessee Bidco Limited | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   16,411 [3],[17],[18] 16,411 [3],[17],[18]       16,245 [7],[14],[15]              
Investments at fair value   16,411 [3],[17],[18] 16,411 [3],[17],[18]       16,245 [7],[14],[15]              
Principal amount, par value   16,411 [3],[11],[17],[18] 16,411 [3],[11],[17],[18]       16,245 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Tennessee Bidco Limited | First lien 3                            
Schedule of Investments [Line Items]                            
Cost   899 [3],[17],[18] 899 [3],[17],[18]       890 [7],[14],[15]              
Investments at fair value   899 [3],[17],[18] 899 [3],[17],[18]       890 [7],[14],[15]              
Principal amount, par value   899 [3],[11],[17],[18] 899 [3],[11],[17],[18]       890 [7],[12],[14],[15]              
Investment, Identifier [Axis]: TigerConnect, Inc. | First lien - Drawn 1                            
Schedule of Investments [Line Items]                            
Cost [7],[10],[15]             3,741              
Investments at fair value [7],[10],[15]             3,741              
Principal amount, par value [7],[10],[12],[15]             3,741              
Investment, Identifier [Axis]: TigerConnect, Inc. | First lien - Drawn 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             42              
Investments at fair value [7],[8],[10]             42              
Principal amount, par value [7],[8],[10],[12]             42              
Investment, Identifier [Axis]: TigerConnect, Inc. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (43) [3],[4],[9] (43) [3],[4],[9]       (43) [7],[8],[10]              
Investments at fair value   (42) [3],[4],[9] (42) [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   4,267 [3],[4],[9],[11] 4,267 [3],[4],[9],[11]       4,267 [7],[8],[10],[12]              
Investment, Identifier [Axis]: TigerConnect, Inc. | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   29,746 [3],[4],[20] 29,746 [3],[4],[20]       29,728 [7],[8],[16]              
Investments at fair value   29,579 [3],[4],[20] 29,579 [3],[4],[20]       29,875 [7],[8],[16]              
Principal amount, par value   29,875 [3],[4],[11],[20] 29,875 [3],[4],[11],[20]       29,875 [7],[8],[12],[16]              
Investment, Identifier [Axis]: TigerConnect, Inc. | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   3,741 [3],[18] 3,741 [3],[18]       3,033 [7],[8],[16]              
Investments at fair value   3,704 [3],[18] 3,704 [3],[18]       3,054 [7],[8],[16]              
Principal amount, par value   3,741 [3],[11],[18] 3,741 [3],[11],[18]       3,054 [7],[8],[12],[16]              
Investment, Identifier [Axis]: TigerConnect, Inc. | First lien 3                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[20]   3,035 3,035                      
Investments at fair value [3],[4],[20]   3,024 3,024                      
Principal amount, par value [3],[4],[11],[20]   3,054 3,054                      
Investment, Identifier [Axis]: TigerConnect, Inc. | First lien 4                            
Schedule of Investments [Line Items]                            
Cost [3],[4]   42 42                      
Investments at fair value [3],[4]   41 41                      
Principal amount, par value [3],[4],[11]   42 42                      
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (8) [3],[4],[9] (8) [3],[4],[9]       (8) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   818 [3],[4],[9],[11] 818 [3],[4],[9],[11]       818 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   8,272 [3],[17],[18] 8,272 [3],[17],[18]       8,310 [7],[14],[15]              
Investments at fair value   8,303 [3],[17],[18] 8,303 [3],[17],[18]       8,345 [7],[14],[15]              
Principal amount, par value   8,303 [3],[11],[17],[18] 8,303 [3],[11],[17],[18]       8,345 [7],[12],[14],[15]              
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   2,772 [3],[17],[18] 2,772 [3],[17],[18]       2,784 [7],[14],[15]              
Investments at fair value   2,784 [3],[17],[18] 2,784 [3],[17],[18]       2,798 [7],[14],[15]              
Principal amount, par value   2,784 [3],[11],[17],[18] 2,784 [3],[11],[17],[18]       2,798 [7],[12],[14],[15]              
Investment, Identifier [Axis]: USRP Holdings, Inc. | First lien                            
Schedule of Investments [Line Items]                            
Cost   12,283 [3],[17],[18] 12,283 [3],[17],[18]       12,341 [7],[14],[15]              
Investments at fair value   12,331 [3],[17],[18] 12,331 [3],[17],[18]       12,396 [7],[14],[15]              
Principal amount, par value   12,331 [3],[11],[17],[18] 12,331 [3],[11],[17],[18]       12,396 [7],[12],[14],[15]              
Investment, Identifier [Axis]: USRP Holdings, Inc. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (9) [3],[4],[9] (9) [3],[4],[9]       (9) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   893 [3],[4],[9],[11] 893 [3],[4],[9],[11]       893 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Ultimus Group Midco, LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost [7],[14],[15]             9,073              
Investments at fair value [7],[14],[15]             9,070              
Principal amount, par value [7],[12],[14],[15]             9,116              
Investment, Identifier [Axis]: Ultimus Group Midco, LLC | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (6)              
Investments at fair value [7],[8],[10]             (6)              
Principal amount, par value [7],[8],[10],[12]             1,139              
Investment, Identifier [Axis]: Ultimus Group Midco, LLC | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             0              
Investments at fair value [7],[8],[10]             (15)              
Principal amount, par value [7],[8],[10],[12]             3,039              
Investment, Identifier [Axis]: UniTek Global Services, Inc.                            
Schedule of Investments [Line Items]                            
Investments at fair value   89,529 89,529       73,181     $ 107,524        
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Ordinary Shares 1                            
Schedule of Investments [Line Items]                            
Cost [3],[18],[49]   1,925 1,925                      
Investments at fair value [3],[18],[49]   0 0                      
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Ordinary Shares 2                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[49]   532 532                      
Investments at fair value [3],[4],[49]   0 0                      
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Ordinary shares 1                            
Schedule of Investments [Line Items]                            
Cost [7],[15],[47]             1,925              
Investments at fair value [7],[15],[47]             0              
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Ordinary shares 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[47]             532              
Investments at fair value [7],[8],[47]             0              
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred Shares 1                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[49]   67,771 67,771                      
Investments at fair value [3],[4],[49]   71,095 71,095                      
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred Shares 2                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[49]   29,318 29,318                      
Investments at fair value [3],[4],[49]   18,434 18,434                      
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred Shares 3                            
Schedule of Investments [Line Items]                            
Cost [3],[18],[49]   26,946 26,946                      
Investments at fair value [3],[18],[49]   0 0                      
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred Shares 4                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[49]   7,447 7,447                      
Investments at fair value [3],[4],[49]   0 0                      
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred Shares 5                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[49]   0 0                      
Investments at fair value [3],[4],[49]   0 0                      
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred shares 1                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[47]             61,162              
Investments at fair value [7],[8],[47]             64,486              
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred shares 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[47]             29,318              
Investments at fair value [7],[8],[47]             8,695              
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred shares 3                            
Schedule of Investments [Line Items]                            
Cost [7],[15],[47]             26,946              
Investments at fair value [7],[15],[47]             0              
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred shares 4                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[47]             7,447              
Investments at fair value [7],[8],[47]             0              
Investment, Identifier [Axis]: Vehlo Purchaser, LLC | First lien                            
Schedule of Investments [Line Items]                            
Cost   6,001 [3],[4] 6,001 [3],[4]       6,022 [8]              
Investments at fair value   6,020 [3],[4] 6,020 [3],[4]       6,042 [8]              
Principal amount, par value   6,042 [3],[4],[11] 6,042 [3],[4],[11]       6,073 [8],[12]              
Investment, Identifier [Axis]: Viper Bidco,Inc. | First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value   15,718 15,718                      
Investment, Identifier [Axis]: Viper Bidco. Inc. | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Investments at fair value   (36) [3],[4],[9] (36) [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   1,838 [3],[4],[9],[11] 1,838 [3],[4],[9],[11]       1,838 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Viper Bidco. Inc. | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost   (17) [3],[4],[9] (17) [3],[4],[9]       (17) [7],[8],[10]              
Investments at fair value   (65) [3],[4],[9] (65) [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   3,320 [3],[4],[9],[11] 3,320 [3],[4],[9],[11]       3,320 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Viper Bidco. Inc. | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   14,966 [3],[4],[20],[52] 14,966 [3],[4],[20],[52]       15,037 [7],[8],[16],[51]              
Investments at fair value   15,563 [3],[4],[20],[52] 15,563 [3],[4],[20],[52]       16,051 [7],[8],[16],[51]              
Principal amount, par value           £ 11,850 16,051   £ 11,910          
Investment, Identifier [Axis]: Viper Bidco. Inc. | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   2,284 [3],[4],[20] 2,284 [3],[4],[20]       2,294 [7],[8],[16]              
Investments at fair value   2,249 [3],[4],[20] 2,249 [3],[4],[20]       2,306 [7],[8],[16]              
Principal amount, par value   2,294 [3],[4],[11],[20] 2,294 [3],[4],[11],[20]       2,306 [7],[8],[12],[16]              
Investment, Identifier [Axis]: WEG Sub Intermediate Holdings, LLC | Subordinated                            
Schedule of Investments [Line Items]                            
Cost   4,936 [3],[4] 4,936 [3],[4]       4,623 [7],[8]              
Investments at fair value   4,977 [3],[4] 4,977 [3],[4]       4,665 [7],[8]              
Principal amount, par value   4,977 [3],[4],[11] 4,977 [3],[4],[11]       4,665 [7],[8],[12]              
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (6) [3],[4],[9] (6) [3],[4],[9]       (6) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   2,040 [3],[4],[9],[11] 2,040 [3],[4],[9],[11]       2,040 [7],[8],[10],[12]              
Investment, Identifier [Axis]: Xactly Corporation | First lien                            
Schedule of Investments [Line Items]                            
Cost   22,492 [3],[13] 22,492 [3],[13]       22,489 [7],[19]              
Investments at fair value   21,233 [3],[13] 21,233 [3],[13]       22,232 [7],[19]              
Principal amount, par value   22,500 [3],[11],[13] 22,500 [3],[11],[13]       22,500 [7],[12],[19]              
Investment, Identifier [Axis]: Xactly Corporation | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (10) [3],[4],[9] (10) [3],[4],[9]       (10) [7],[8],[10]              
Investments at fair value   (56) [3],[4],[9] (56) [3],[4],[9]       (12) [7],[8],[10]              
Principal amount, par value   992 [3],[4],[9],[11] 992 [3],[4],[9],[11]       992 [7],[8],[10],[12]              
Investment, Identifier [Axis]: YLG Holdings, Inc. | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             392              
Investments at fair value [7],[8],[10]             394              
Principal amount, par value [7],[8],[10],[12]             394              
Investment, Identifier [Axis]: YLG Holdings, Inc. | First lien - Drawn 1                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   390 390                      
Investments at fair value [3],[4],[9]   392 392                      
Principal amount, par value [3],[4],[9],[11]   392 392                      
Investment, Identifier [Axis]: YLG Holdings, Inc. | First lien - Drawn 2                            
Schedule of Investments [Line Items]                            
Cost [3],[4],[9]   29 29                      
Investments at fair value [3],[4],[9]   29 29                      
Principal amount, par value [3],[4],[9],[11]   29 29                      
Investment, Identifier [Axis]: YLG Holdings, Inc. | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost   (1) [3],[4],[9] (1) [3],[4],[9]       (1) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   271 [3],[4],[9],[11] 271 [3],[4],[9],[11]       271 [7],[8],[10],[12]              
Investment, Identifier [Axis]: YLG Holdings, Inc. | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost   (1) [3],[4],[9] (1) [3],[4],[9]       (2) [7],[8],[10]              
Investments at fair value   0 [3],[4],[9] 0 [3],[4],[9]       0 [7],[8],[10]              
Principal amount, par value   281 [3],[4],[9],[11] 281 [3],[4],[9],[11]       309 [7],[8],[10],[12]              
Investment, Identifier [Axis]: YLG Holdings, Inc. | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   21,531 [3],[24] 21,531 [3],[24]       21,638 [7],[25]              
Investments at fair value   21,552 [3],[24] 21,552 [3],[24]       21,661 [7],[25]              
Principal amount, par value   21,552 [3],[11],[24] 21,552 [3],[11],[24]       21,661 [7],[12],[25]              
Investment, Identifier [Axis]: YLG Holdings, Inc. | First lien 2                            
Schedule of Investments [Line Items]                            
Cost   4,269 [3],[17],[18] 4,269 [3],[17],[18]       4,289 [7],[14],[15]              
Investments at fair value   4,287 [3],[17],[18] 4,287 [3],[17],[18]       4,309 [7],[14],[15]              
Principal amount, par value   4,287 [3],[11],[17],[18] 4,287 [3],[11],[17],[18]       4,309 [7],[12],[14],[15]              
Investment, Identifier [Axis]: eResearchTechnology, Inc. | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10],[16]             290              
Investments at fair value [7],[8],[10],[16]             301              
Principal amount, par value [7],[8],[10],[12],[16]             301              
Investment, Identifier [Axis]: eResearchTechnology, Inc. | First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             0              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             1,847              
Investment, Identifier [Axis]: eResearchTechnology, Inc. | First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[10]             (11)              
Investments at fair value [7],[8],[10]             0              
Principal amount, par value [7],[8],[10],[12]             1,074              
Investment, Identifier [Axis]: eResearchTechnology, Inc. | First lien 1                            
Schedule of Investments [Line Items]                            
Cost [7],[14],[15]             11,275              
Investments at fair value [7],[14],[15]             11,380              
Principal amount, par value [7],[12],[14],[15]             11,380              
Investment, Identifier [Axis]: eResearchTechnology, Inc. | First lien 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[16]             1,877              
Investments at fair value [7],[8],[16]             1,889              
Principal amount, par value [7],[8],[12],[16]             1,889              
Investment, Identifier [Axis]: iCIMS, Inc. | First lien - Drawn                            
Schedule of Investments [Line Items]                            
Cost   1,020 [3],[4],[9] 1,020 [3],[4],[9]       1,160 [7],[8],[10]              
Investments at fair value   959 [3],[4],[9] 959 [3],[4],[9]       1,134 [7],[8],[10]              
Principal amount, par value   1,024 [3],[4],[9],[11] 1,024 [3],[4],[9],[11]       1,165 [7],[8],[10],[12]              
Investment, Identifier [Axis]: iCIMS, Inc. | First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Cost   (22) [3],[4],[9] (22) [3],[4],[9]       (21) [7],[8],[10]              
Investments at fair value   (159) [3],[4],[9] (159) [3],[4],[9]       (64) [7],[8],[10]              
Principal amount, par value   2,506 [3],[4],[9],[11] 2,506 [3],[4],[9],[11]       2,365 [7],[8],[10],[12]              
Investment, Identifier [Axis]: iCIMS, Inc. | First lien 1                            
Schedule of Investments [Line Items]                            
Cost   7,338 [3],[4],[20] 7,338 [3],[4],[20]       44,590 [7],[8],[16]              
Investments at fair value   6,986 [3],[4],[20] 6,986 [3],[4],[20]       43,538 [7],[8],[16]              
Principal amount, par value   7,366 [3],[4],[11],[20] 7,366 [3],[4],[11],[20]       44,742 [7],[8],[12],[16]              
Investment, Identifier [Axis]: iCIMS, Inc. | First lien 2                            
Schedule of Investments [Line Items]                            
Cost [7],[8],[16]             7,332              
Investments at fair value [7],[8],[16]             7,253              
Principal amount, par value [7],[8],[12],[16]             7,366              
SLP IV                            
Schedule of Investments [Line Items]                            
Cost   112,400 112,400                      
SLP IV | Revolving Credit Facility | Line of Credit                            
Schedule of Investments [Line Items]                            
Maximum borrowing capacity $ 600,000     $ 370,000                    
SLP IV | Revolving Credit Facility | Line Of Credit, Class A Advance                            
Schedule of Investments [Line Items]                            
Maximum borrowing capacity 530,000                          
SLP IV | Revolving Credit Facility | Line Of Credit, Class B Advance                            
Schedule of Investments [Line Items]                            
Maximum borrowing capacity $ 70,000                          
SLP IV | SkyKnight Alpha                            
Schedule of Investments [Line Items]                            
Cost   30,600 $ 30,600                      
SLP IV                            
Schedule of Investments [Line Items]                            
Investment period     5 years                      
Investment additional period     1 year                      
Cost   663,523 $ 663,523       654,867              
Investments at fair value   624,995 624,995       641,452              
Principal amount, par value   671,491 671,491       664,399              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | ADG, LLC                            
Schedule of Investments [Line Items]                            
Cost   18,325 18,325       18,215              
Investments at fair value   13,609 13,609       14,574              
Principal amount, par value   18,327 18,327       18,217              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | ADMI Corp. (aka Aspen Dental)                            
Schedule of Investments [Line Items]                            
Cost   1,784 1,784       1,792              
Investments at fair value   1,606 1,606       1,708              
Principal amount, par value   1,786 1,786       1,795              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Accelya Lux Finco S.a r.l.                            
Schedule of Investments [Line Items]                            
Cost   10,252 10,252       10,292              
Investments at fair value   9,950 9,950       10,466              
Principal amount, par value   10,446 10,446       10,498              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | AmSpec Parent, LLC                            
Schedule of Investments [Line Items]                            
Cost   5,486 5,486       5,514              
Investments at fair value   5,517 5,517       5,547              
Principal amount, par value   5,491 5,491       5,519              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Asurion, LLC 1                            
Schedule of Investments [Line Items]                            
Cost   1,754 1,754       9,542              
Investments at fair value   1,785 1,785       9,622              
Principal amount, par value   1,800 1,800       9,593              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Asurion, LLC 2                            
Schedule of Investments [Line Items]                            
Cost   975 975       1,759              
Investments at fair value   978 978       1,811              
Principal amount, par value   987 987       1,809              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Asurion, LLC 3                            
Schedule of Investments [Line Items]                            
Cost   9,522 9,522       979              
Investments at fair value   9,074 9,074       994              
Principal amount, par value   9,569 9,569       992              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | BCPE Empire Holdings, Inc.                            
Schedule of Investments [Line Items]                            
Cost             8,473              
Investments at fair value             8,434              
Principal amount, par value             8,509              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | BCPE Empire Holdings, Inc. 1                            
Schedule of Investments [Line Items]                            
Cost   7,827 7,827                      
Investments at fair value   7,764 7,764                      
Principal amount, par value   7,858 7,858                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | BCPE Empire Holdings, Inc. 2                            
Schedule of Investments [Line Items]                            
Cost   3,590 3,590                      
Investments at fair value   3,604 3,604                      
Principal amount, par value   3,642 3,642                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | BIFM CA Buyer Inc.                            
Schedule of Investments [Line Items]                            
Cost   6,561 6,561       6,585              
Investments at fair value   6,607 6,607       6,664              
Principal amount, par value   6,577 6,577       6,611              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | BW Holding, Inc.                            
Schedule of Investments [Line Items]                            
Cost             441              
Investments at fair value             454              
Principal amount, par value             445              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Bach Finance Limited                            
Schedule of Investments [Line Items]                            
Cost             1,592              
Investments at fair value             1,602              
Principal amount, par value             1,595              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Bella Holding Company, LLC                            
Schedule of Investments [Line Items]                            
Cost   1,716 1,716       1,736              
Investments at fair value   1,721 1,721       1,746              
Principal amount, par value   1,733 1,733       1,737              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Berlin Packaging L.L.C.                            
Schedule of Investments [Line Items]                            
Cost   4,905 4,905       4,930              
Investments at fair value   4,884 4,884       4,944              
Principal amount, par value   4,902 4,902       4,927              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Boxer Parent Company Inc.                            
Schedule of Investments [Line Items]                            
Cost             5,205              
Investments at fair value             5,208              
Principal amount, par value             5,216              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | BradyPLUS Holdings, LLC                            
Schedule of Investments [Line Items]                            
Cost             3,596              
Investments at fair value             3,618              
Principal amount, par value             3,650              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | CVET Midco 2, L.P.                            
Schedule of Investments [Line Items]                            
Cost   6,383 6,383       6,402              
Investments at fair value   6,302 6,302       5,879              
Principal amount, par value   6,489 6,489       6,522              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Capstone Borrower, Inc.                            
Schedule of Investments [Line Items]                            
Cost   5,519 5,519       1,979              
Investments at fair value   5,564 5,564       1,991              
Principal amount, par value   5,785 5,785       1,989              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Cardinal Parent, Inc.                            
Schedule of Investments [Line Items]                            
Cost   6,935 6,935       6,947              
Investments at fair value   6,208 6,208       6,898              
Principal amount, par value   7,008 7,008       7,046              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Chrysaor Bidco S.a r.l.                            
Schedule of Investments [Line Items]                            
Cost   1,553 1,553       1,561              
Investments at fair value   1,558 1,558       1,574              
Principal amount, par value   1,553 1,553       1,561              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Citrin Cooperman Advisors LLC                            
Schedule of Investments [Line Items]                            
Cost   4,886 4,886       4,173              
Investments at fair value   4,780 4,780       4,196              
Principal amount, par value   4,904 4,904       4,179              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Cleanova US Holdings LLC                            
Schedule of Investments [Line Items]                            
Cost   11,012 11,012       11,846              
Investments at fair value   10,919 10,919       11,973              
Principal amount, par value   11,124 11,124       11,973              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Cloudera, Inc.                            
Schedule of Investments [Line Items]                            
Cost   9,491 9,491       9,524              
Investments at fair value   7,473 7,473       9,247              
Principal amount, par value   9,575 9,575       9,625              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Clydesdale Acquisition Holdings, Inc.                            
Schedule of Investments [Line Items]                            
Cost   5,519 5,519       5,523              
Investments at fair value   5,313 5,313       5,525              
Principal amount, par value   5,518 5,518       5,521              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Cohnreznick Advisory LLC                            
Schedule of Investments [Line Items]                            
Cost   5,769 5,769       5,463              
Investments at fair value   5,658 5,658       5,513              
Principal amount, par value   5,786 5,786       5,475              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Confluence Technologies, Inc. 1                            
Schedule of Investments [Line Items]                            
Cost   9,533 9,533       9,579              
Investments at fair value   7,966 7,966       8,058              
Principal amount, par value   9,550 9,550       9,600              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Confluence Technologies, Inc. 2                            
Schedule of Investments [Line Items]                            
Cost   943 943       942              
Investments at fair value   941 941       943              
Principal amount, par value   943 943       943              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Confluent Health, LLC                            
Schedule of Investments [Line Items]                            
Cost   3,059 3,059       3,074              
Investments at fair value   2,734 2,734       2,758              
Principal amount, par value   3,065 3,065       3,082              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Confluent Medical Technologies, Inc.                            
Schedule of Investments [Line Items]                            
Cost   6,691 6,691       6,723              
Investments at fair value   6,748 6,748       6,799              
Principal amount, par value   6,706 6,706       6,740              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | ConnectWise, LLC                            
Schedule of Investments [Line Items]                            
Cost   6,578 6,578       6,614              
Investments at fair value   6,070 6,070       6,503              
Principal amount, par value   6,572 6,572       6,606              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Convey Health Solutions, Inc.                            
Schedule of Investments [Line Items]                            
Cost   3,349 3,349       3,466              
Investments at fair value   424 424       2,562              
Principal amount, par value   3,390 3,390       3,509              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | CoreLogic, Inc. (fka First American Corporation, The)                            
Schedule of Investments [Line Items]                            
Cost   393 393                      
Investments at fair value   394 394                      
Principal amount, par value   398 398                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Cornerstone OnDemand, Inc.                            
Schedule of Investments [Line Items]                            
Cost   1,796 1,796       1,805              
Investments at fair value   1,155 1,155       1,668              
Principal amount, par value   1,800 1,800       1,809              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | DG Investment Intermediate Holdings 2, Inc.                            
Schedule of Investments [Line Items]                            
Cost   7,229 7,229       7,264              
Investments at fair value   7,269 7,269       7,310              
Principal amount, par value   7,247 7,247       7,283              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Dayforce Bidco, LLC                            
Schedule of Investments [Line Items]                            
Cost   2,924 2,924                      
Investments at fair value   2,747 2,747                      
Principal amount, par value   3,003 3,003                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Dealer Tire Financial, LLC                            
Schedule of Investments [Line Items]                            
Cost   10,284 10,284       10,333              
Investments at fair value   10,259 10,259       10,402              
Principal amount, par value   10,323 10,323       10,376              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Disco Parent, Inc.                            
Schedule of Investments [Line Items]                            
Cost   841 841       4,614              
Investments at fair value   825 825       4,660              
Principal amount, par value   843 843       4,625              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Discovery Purchaser Corporation                            
Schedule of Investments [Line Items]                            
Cost   6,657 6,657       8,958              
Investments at fair value   6,815 6,815       8,889              
Principal amount, par value   6,833 6,833       9,227              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | EAB Global, Inc.                            
Schedule of Investments [Line Items]                            
Cost   6,773 6,773       6,801              
Investments at fair value   6,183 6,183       6,131              
Principal amount, par value   6,841 6,841       6,876              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Eagle Parent Corp.                            
Schedule of Investments [Line Items]                            
Cost   8,720 8,720       8,753              
Investments at fair value   8,862 8,862       8,878              
Principal amount, par value   8,798 8,798       8,844              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Eisner Advisory Group LLC                            
Schedule of Investments [Line Items]                            
Cost   6,775 6,775       4,937              
Investments at fair value   6,735 6,735       5,017              
Principal amount, par value   6,843 6,843       4,976              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Embecta Corp.                            
Schedule of Investments [Line Items]                            
Cost   1,589 1,589       1,688              
Investments at fair value   1,262 1,262       1,689              
Principal amount, par value   1,585 1,585       1,684              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | FNZ Group Entities Limited                            
Schedule of Investments [Line Items]                            
Cost   7,061 7,061       7,088              
Investments at fair value   5,747 5,747       5,742              
Principal amount, par value   7,180 7,180       7,216              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Finastra USA, Inc.                            
Schedule of Investments [Line Items]                            
Cost   8,165 8,165       8,181              
Investments at fair value   7,613 7,613       8,097              
Principal amount, par value   8,234 8,234       8,255              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | First Advantage Holdings, LLC                            
Schedule of Investments [Line Items]                            
Cost   544 544       1,759              
Investments at fair value   543 543       1,762              
Principal amount, par value   549 549       1,777              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Flash Charm, Inc.                            
Schedule of Investments [Line Items]                            
Cost   6,205 6,205       9,924              
Investments at fair value   4,837 4,837       9,315              
Principal amount, par value   6,196 6,196       9,955              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Forgent Intermediate IV LLC                            
Schedule of Investments [Line Items]                            
Cost             8,037              
Investments at fair value             8,077              
Principal amount, par value             8,118              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Forgent Power LLC                            
Schedule of Investments [Line Items]                            
Cost   8,021 8,021                      
Investments at fair value   8,136 8,136                      
Principal amount, par value   8,098 8,098                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Foundational Education Group, Inc.                            
Schedule of Investments [Line Items]                            
Cost   10,809 10,809       10,852              
Investments at fair value   10,112 10,112       10,105              
Principal amount, par value   10,873 10,873       10,930              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Groundworks, LLC                            
Schedule of Investments [Line Items]                            
Cost   6,390 6,390       6,297              
Investments at fair value   6,402 6,402       6,492              
Principal amount, par value   6,420 6,420       6,452              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | HIG Finance 2 Limited                            
Schedule of Investments [Line Items]                            
Cost   2,892 2,892                      
Investments at fair value   2,810 2,810                      
Principal amount, par value   2,985 2,985                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | HIG Operations Holdings, Inc.                            
Schedule of Investments [Line Items]                            
Cost             7,123              
Investments at fair value             7,123              
Principal amount, par value             7,123              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | HIG Operations Holdings, Inc. 1                            
Schedule of Investments [Line Items]                            
Cost   7,087 7,087                      
Investments at fair value   7,087 7,087                      
Principal amount, par value   7,087 7,087                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | HIG Operations Holdings, Inc. 2                            
Schedule of Investments [Line Items]                            
Cost   1,233 1,233                      
Investments at fair value   1,233 1,233                      
Principal amount, par value   1,233 1,233                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | HP PHRG Borrower, LLC                            
Schedule of Investments [Line Items]                            
Cost   10,479 10,479       10,527              
Investments at fair value   10,491 10,491       10,553              
Principal amount, par value   10,544 10,544       10,597              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Heartland Dental, LLC                            
Schedule of Investments [Line Items]                            
Cost   9,838 9,838       9,886              
Investments at fair value   9,879 9,879       9,963              
Principal amount, par value   9,860 9,860       9,910              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Help/Systems Holdings, Inc.                            
Schedule of Investments [Line Items]                            
Cost   6,010 6,010       6,039              
Investments at fair value   4,588 4,588       5,494              
Principal amount, par value   6,017 6,017       6,047              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Houghton Mifflin Harcourt Company                            
Schedule of Investments [Line Items]                            
Cost   7,960 7,960       7,975              
Investments at fair value   6,460 6,460       7,233              
Principal amount, par value   8,130 8,130       8,172              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Inizio Group Limited                            
Schedule of Investments [Line Items]                            
Cost   9,614 9,614       9,595              
Investments at fair value   9,311 9,311       9,472              
Principal amount, par value   9,702 9,702       9,702              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Jones DesLauriers Insurance Management Inc.                            
Schedule of Investments [Line Items]                            
Cost   4,889 4,889       1,707              
Investments at fair value   4,773 4,773       1,715              
Principal amount, par value   4,974 4,974       1,711              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Kaseya Inc.                            
Schedule of Investments [Line Items]                            
Cost   8,096 8,096       8,135              
Investments at fair value   6,313 6,313       8,169              
Principal amount, par value   8,111 8,111       8,152              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Kestra Advisor Services Holdings A, Inc.                            
Schedule of Investments [Line Items]                            
Cost             2,277              
Investments at fair value             2,287              
Principal amount, par value             2,280              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | KnowBe4, Inc.                            
Schedule of Investments [Line Items]                            
Cost   4,763 4,763       8,762              
Investments at fair value   3,739 3,739       8,778              
Principal amount, par value   4,763 4,763       8,761              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | LSCS Holdings, Inc.                            
Schedule of Investments [Line Items]                            
Cost   10,096 10,096       10,144              
Investments at fair value   9,977 9,977       10,010              
Principal amount, par value   10,145 10,145       10,197              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | LTR Intermediate Holdings, Inc.                            
Schedule of Investments [Line Items]                            
Cost   5,005 5,005       5,016              
Investments at fair value   5,046 5,046       5,061              
Principal amount, par value   5,029 5,029       5,041              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | MED ParentCo, LP                            
Schedule of Investments [Line Items]                            
Cost   7,225 7,225       7,259              
Investments at fair value   7,271 7,271       7,321              
Principal amount, par value   7,254 7,254       7,291              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Marcel Bidco LLC (Marcel Bidco GmbH)                            
Schedule of Investments [Line Items]                            
Cost   2,981 2,981       1,996              
Investments at fair value   2,935 2,935       2,032              
Principal amount, par value   3,006 3,006       2,019              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Mavis Tire Express Services Topco, Corp.                            
Schedule of Investments [Line Items]                            
Cost   8,434 8,434       8,473              
Investments at fair value   8,447 8,447       8,533              
Principal amount, par value   8,450 8,450       8,493              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Michael Baker International, LLC                            
Schedule of Investments [Line Items]                            
Cost             3,829              
Investments at fair value             3,843              
Principal amount, par value             3,829              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Michael Baker International, LLC 1                            
Schedule of Investments [Line Items]                            
Cost   3,810 3,810                      
Investments at fair value   3,814 3,814                      
Principal amount, par value   3,810 3,810                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Michael Baker International, LLC 2                            
Schedule of Investments [Line Items]                            
Cost   1,230 1,230                      
Investments at fair value   1,264 1,264                      
Principal amount, par value   1,263 1,263                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Neon Maple Purchaser Inc.                            
Schedule of Investments [Line Items]                            
Cost   2,218 2,218       1,483              
Investments at fair value   2,164 2,164       1,481              
Principal amount, par value   2,216 2,216       1,477              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Nexus Buyer LLC                            
Schedule of Investments [Line Items]                            
Cost   8,822 8,822       8,864              
Investments at fair value   8,600 8,600       8,855              
Principal amount, par value   8,864 8,864       8,909              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Nielsen Consumer, Inc.                            
Schedule of Investments [Line Items]                            
Cost   3,502 3,502       3,504              
Investments at fair value   3,626 3,626       3,692              
Principal amount, par value   3,663 3,663       3,682              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | OVG Business Services, LLC                            
Schedule of Investments [Line Items]                            
Cost   1,746 1,746       1,755              
Investments at fair value   1,759 1,759       1,769              
Principal amount, par value   1,754 1,754       1,763              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Oak-Eagle Acquireco, Inc.                            
Schedule of Investments [Line Items]                            
Cost   1,933 1,933                      
Investments at fair value   1,969 1,969                      
Principal amount, par value   1,962 1,962                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Oceankey (U.S.) II Corp.                            
Schedule of Investments [Line Items]                            
Cost   9,194 9,194       9,243              
Investments at fair value   8,832 8,832       9,126              
Principal amount, par value   9,191 9,191       9,239              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Orbit Private Holdings I Ltd                            
Schedule of Investments [Line Items]                            
Cost   5,935 5,935       5,763              
Investments at fair value   5,961 5,961       5,816              
Principal amount, par value   5,956 5,956       5,785              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Orion Advisor Solutions, Inc.                            
Schedule of Investments [Line Items]                            
Cost             956              
Investments at fair value             962              
Principal amount, par value             955              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Orion Midco Ltd                            
Schedule of Investments [Line Items]                            
Cost   5,617 5,617       5,231              
Investments at fair value   5,632 5,632       5,267              
Principal amount, par value   5,622 5,622       5,237              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Osaic Holdings, Inc.                            
Schedule of Investments [Line Items]                            
Cost   3,541 3,541       8,861              
Investments at fair value   3,500 3,500       8,930              
Principal amount, par value   3,541 3,541       8,883              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Osmose Utilities Services, Inc.                            
Schedule of Investments [Line Items]                            
Cost   8,560 8,560       8,543              
Investments at fair value   8,790 8,790       8,742              
Principal amount, par value   8,829 8,829       8,875              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Outcomes Group Holdings, Inc.                            
Schedule of Investments [Line Items]                            
Cost   2,806 2,806       2,819              
Investments at fair value   2,826 2,826       2,850              
Principal amount, par value   2,815 2,815       2,829              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Pearls (Netherlands) Bidco B.V.                            
Schedule of Investments [Line Items]                            
Cost   2,648 2,648       5,436              
Investments at fair value   2,513 2,513       5,150              
Principal amount, par value   2,749 2,749       5,679              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Perforce Software, Inc.                            
Schedule of Investments [Line Items]                            
Cost   3,171 3,171       3,186              
Investments at fair value   1,642 1,642       2,715              
Principal amount, par value   3,182 3,182       3,198              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Physician Partners, LLC 1                            
Schedule of Investments [Line Items]                            
Cost   2,674 2,674       1,740              
Investments at fair value   2,762 2,762       1,492              
Principal amount, par value   2,770 2,770       1,784              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Physician Partners, LLC 2                            
Schedule of Investments [Line Items]                            
Cost   2,137 2,137       2,109              
Investments at fair value   1,950 1,950       1,022              
Principal amount, par value   2,147 2,147       2,120              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Pioneer AcquisitionCo, LLC                            
Schedule of Investments [Line Items]                            
Cost   5,021 5,021       5,033              
Investments at fair value   5,043 5,043       5,074              
Principal amount, par value   5,033 5,033       5,046              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Planview Parent, Inc.                            
Schedule of Investments [Line Items]                            
Cost   7,852 7,852       7,876              
Investments at fair value   6,831 6,831       7,641              
Principal amount, par value   7,900 7,900       7,940              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Project Alpha Intermediate Holding, Inc.                            
Schedule of Investments [Line Items]                            
Cost   9,526 9,526       9,561              
Investments at fair value   7,056 7,056       9,704              
Principal amount, par value   9,659 9,659       9,708              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Pushpay USA Inc.                            
Schedule of Investments [Line Items]                            
Cost   8,813 8,813       8,858              
Investments at fair value   8,280 8,280       8,858              
Principal amount, par value   8,808 8,808       8,853              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Quartz AcquireCo, LLC                            
Schedule of Investments [Line Items]                            
Cost   1,101 1,101       1,472              
Investments at fair value   927 927       1,477              
Principal amount, par value   1,105 1,105       1,477              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | RealPage, Inc. 1                            
Schedule of Investments [Line Items]                            
Cost   3,510 3,510       1,938              
Investments at fair value   3,296 3,296       1,941              
Principal amount, par value   3,517 3,517       1,940              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | RealPage, Inc. 2                            
Schedule of Investments [Line Items]                            
Cost   4,007 4,007       1,978              
Investments at fair value   3,841 3,841       1,994              
Principal amount, par value   4,074 4,074       1,985              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Rithum Holdings, Inc. (fka CommerceHub, Inc.)                            
Schedule of Investments [Line Items]                            
Cost   9,944 9,944       9,990              
Investments at fair value   9,478 9,478       10,076              
Principal amount, par value   10,010 10,010       10,061              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | RxB Holdings, Inc.                            
Schedule of Investments [Line Items]                            
Cost   3,203 3,203       3,218              
Investments at fair value   3,259 3,259       3,246              
Principal amount, par value   3,263 3,263       3,283              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | STATS Intermediate Holdings, LLC                            
Schedule of Investments [Line Items]                            
Cost   6,744 6,744                      
Investments at fair value   6,764 6,764                      
Principal amount, par value   6,983 6,983                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | STATS Intermediate Holdings, LLC 1                            
Schedule of Investments [Line Items]                            
Cost             4,902              
Investments at fair value             4,868              
Principal amount, par value             4,940              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | STATS Intermediate Holdings, LLC 2                            
Schedule of Investments [Line Items]                            
Cost             2,210              
Investments at fair value             2,225              
Principal amount, par value             2,225              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Secretariat Advisors LLC                            
Schedule of Investments [Line Items]                            
Cost   6,242 6,242       6,083              
Investments at fair value   6,160 6,160       6,134              
Principal amount, par value   6,265 6,265       6,110              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Secure Acquisition, Inc.                            
Schedule of Investments [Line Items]                            
Cost   2,585 2,585       331              
Investments at fair value   2,589 2,589       333              
Principal amount, par value   2,587 2,587       330              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | SonarSource Financing, LLC                            
Schedule of Investments [Line Items]                            
Cost   6,870 6,870       6,994              
Investments at fair value   6,497 6,497       7,029              
Principal amount, par value   6,967 6,967       7,100              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Sovos Compliance, LLC (fka Taxware, LLC)                            
Schedule of Investments [Line Items]                            
Cost   6,630 6,630       5,566              
Investments at fair value   6,276 6,276       5,584              
Principal amount, par value   6,677 6,677       5,561              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Spring Education Group, Inc.                            
Schedule of Investments [Line Items]                            
Cost   10,023 10,023       10,066              
Investments at fair value   10,094 10,094       10,225              
Principal amount, par value   10,102 10,102       10,154              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Storable, Inc.                            
Schedule of Investments [Line Items]                            
Cost   5,535 5,535       3,818              
Investments at fair value   4,991 4,991       3,843              
Principal amount, par value   5,561 5,561       3,820              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Summit Acquisition Inc.                            
Schedule of Investments [Line Items]                            
Cost   744 744                      
Investments at fair value   747 747                      
Principal amount, par value   746 746                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Sword Purchaser, LLC                            
Schedule of Investments [Line Items]                            
Cost   2,701 2,701                      
Investments at fair value   2,775 2,775                      
Principal amount, par value   2,840 2,840                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Symplr Software, Inc.                            
Schedule of Investments [Line Items]                            
Cost   3,628 3,628       3,646              
Investments at fair value   2,394 2,394       3,109              
Principal amount, par value   3,630 3,630       3,650              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | TRC Companies LLC                            
Schedule of Investments [Line Items]                            
Cost             5,318              
Investments at fair value             5,355              
Principal amount, par value             5,332              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Team.blue Finco SARL                            
Schedule of Investments [Line Items]                            
Cost   7,170 7,170       7,205              
Investments at fair value   6,887 6,887       7,267              
Principal amount, par value   7,184 7,184       7,220              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Tegra118 Wealth Solutions, Inc.                            
Schedule of Investments [Line Items]                            
Cost   7,266 7,266                      
Investments at fair value   7,354 7,354                      
Principal amount, par value   7,322 7,322                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Tempo Acquisition, LLC                            
Schedule of Investments [Line Items]                            
Cost   967 967                      
Investments at fair value   974 974                      
Principal amount, par value   1,148 1,148                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Therapy Brands Holdings LLC                            
Schedule of Investments [Line Items]                            
Cost   5,806 5,806       5,834              
Investments at fair value   5,388 5,388       5,412              
Principal amount, par value   5,816 5,816       5,847              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Thermostat Purchaser III, Inc.                            
Schedule of Investments [Line Items]                            
Cost   8,569 8,569       8,612              
Investments at fair value   8,489 8,489       8,602              
Principal amount, par value   8,573 8,573       8,617              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | TransDigm Inc. 1                            
Schedule of Investments [Line Items]                            
Cost             1,481              
Investments at fair value             1,485              
Principal amount, par value             1,477              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | TransDigm Inc. 2                            
Schedule of Investments [Line Items]                            
Cost             889              
Investments at fair value             891              
Principal amount, par value             886              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Tricorbraun Holdings, Inc.                            
Schedule of Investments [Line Items]                            
Cost   7,022 7,022       7,057              
Investments at fair value   6,609 6,609       6,876              
Principal amount, par value   7,045 7,045       7,082              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | UKG Inc.                            
Schedule of Investments [Line Items]                            
Cost   3,377 3,377                      
Investments at fair value   3,245 3,245                      
Principal amount, par value   3,437 3,437                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | US Fertility Enterprises, LLC                            
Schedule of Investments [Line Items]                            
Cost   4,762 4,762       4,356              
Investments at fair value   4,806 4,806       4,400              
Principal amount, par value   4,785 4,785       4,378              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | VSTG Intermediate Holdings, Inc.                            
Schedule of Investments [Line Items]                            
Cost   7,038 7,038       7,074              
Investments at fair value   6,935 6,935       7,082              
Principal amount, par value   7,045 7,045       7,082              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | VT Topco, Inc.                            
Schedule of Investments [Line Items]                            
Cost   7,227 7,227       6,769              
Investments at fair value   7,200 7,200       6,781              
Principal amount, par value   7,328 7,328       6,865              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Valcour Packaging, LLC 1                            
Schedule of Investments [Line Items]                            
Cost   6,979 6,979       1,629              
Investments at fair value   6,951 6,951       1,660              
Principal amount, par value   6,943 6,943       1,641              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Valcour Packaging, LLC 2                            
Schedule of Investments [Line Items]                            
Cost   2,337 2,337       2,311              
Investments at fair value   1,873 1,873       1,804              
Principal amount, par value   2,337 2,337       2,311              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Viant Medical Holdings, Inc.                            
Schedule of Investments [Line Items]                            
Cost   7,686 7,686       7,724              
Investments at fair value   7,274 7,274       7,680              
Principal amount, par value   7,705 7,705       7,745              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Xplor T1, LLC                            
Schedule of Investments [Line Items]                            
Cost   12,456 12,456       12,516              
Investments at fair value   11,505 11,505       12,600              
Principal amount, par value   12,505 12,505       12,569              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Zelis Cost Management Buyer, Inc.                            
Schedule of Investments [Line Items]                            
Cost   12,333 12,333       12,395              
Investments at fair value   12,058 12,058       12,316              
Principal amount, par value   12,331 12,331       12,394              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Zest Acquisition Corp.                            
Schedule of Investments [Line Items]                            
Cost   3,808 3,808       3,822              
Investments at fair value   3,864 3,864       3,884              
Principal amount, par value   3,864 3,864       3,884              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Zone Climate Services, Inc. 1                            
Schedule of Investments [Line Items]                            
Cost   9,500 9,500       9,543              
Investments at fair value   9,457 9,457       9,625              
Principal amount, par value   9,564 9,564       9,625              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Zone Climate Services, Inc. 2                            
Schedule of Investments [Line Items]                            
Cost   2,088 2,088       2,098              
Investments at fair value   2,079 2,079       2,116              
Principal amount, par value   2,103 2,103       2,116              
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | athenahealth Group Inc.                            
Schedule of Investments [Line Items]                            
Cost   5,230 5,230       4,717              
Investments at fair value   5,199 5,199       4,737              
Principal amount, par value   5,247 5,247       4,722              
SLP IV | Investment, Identifier [Axis]: Largest Portfolio Company Investment                            
Schedule of Investments [Line Items]                            
Principal amount, par value   18,327 18,327       18,217              
SLP IV | Investment, Identifier [Axis]: Top Five Largest Portfolio Company Investments                            
Schedule of Investments [Line Items]                            
Principal amount, par value   67,186 67,186       64,111              
SLP IV | Investment, Identifier [Axis]: Unfunded Investments - First lien | Citrin Cooperman Advisors LLC                            
Schedule of Investments [Line Items]                            
Cost   (14) (14)       (14)              
Investments at fair value   (48) (48)       6              
Principal amount, par value   1,364 1,364       1,364              
SLP IV | Investment, Identifier [Axis]: Unfunded Investments - First lien | Cohnreznick Advisory LLC                            
Schedule of Investments [Line Items]                            
Cost   (1) (1)       (3)              
Investments at fair value   (7) (7)       5              
Principal amount, par value   336 336       791              
SLP IV | Investment, Identifier [Axis]: Unfunded Investments - First lien | HIG Operations Holdings, Inc.                            
Schedule of Investments [Line Items]                            
Cost             0              
Investments at fair value             0              
Principal amount, par value             1,236              
SLP IV | Investment, Identifier [Axis]: Unfunded Investments - First lien | Secretariat Advisors LLC                            
Schedule of Investments [Line Items]                            
Cost   0 0       0              
Investments at fair value   (13) (13)       3              
Principal amount, par value   764 764       742              
SLP IV | Investment, Identifier [Axis]: Unfunded Investments - First lien | US Fertility Enterprises, LLC                            
Schedule of Investments [Line Items]                            
Cost   (1) (1)       0              
Investments at fair value   1 1       3              
Principal amount, par value   244 244       663              
SLP IV | Unfunded Investments                            
Schedule of Investments [Line Items]                            
Cost   (16) (16)       (17)              
Investments at fair value   (67) (67)       17              
Principal amount, par value   2,708 2,708       4,796              
SLP IV | Revolving Credit Facility                            
Schedule of Investments [Line Items]                            
Credit facility   $ 534,137 $ 534,137       $ 471,737              
SLP IV | Revolving Credit Facility | Line of Credit                            
Schedule of Investments [Line Items]                            
Basis spread on variable rate       1.50%                    
SLP IV | Revolving Credit Facility | Line Of Credit, Class A Advance                            
Schedule of Investments [Line Items]                            
Basis spread on variable rate 1.50%                          
SLP IV | Revolving Credit Facility | Line Of Credit, Class B Advance                            
Schedule of Investments [Line Items]                            
Basis spread on variable rate 4.75%                          
[1] New Mountain Finance Corporation (the "Company") generally acquires its investments in private transactions exempt from registration under the Securities Act of 1933, as amended (the "Securities Act"). These investments are generally subject to certain limitations on resale, and may be deemed to be "restricted securities" under the Securities Act.
[2] New Mountain Finance Corporation (the "Company") generally acquires its investments in private transactions exempt from registration under the Securities Act of 1933, as amended (the "Securities Act"). These investments are generally subject to certain limitations on resale, and may be deemed to be "restricted securities" under the Securities Act.
[3] 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
[4] Investment is held by New Mountain Finance Corporation.
[5] 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.
[6] 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.
[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] 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
[10] 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.
[11] Par amount is denominated in United States Dollar unless otherwise noted, which may include British Pound ("£") and/or Euro ("€")
[12] Par amount is denominated in United States Dollar unless otherwise noted, which may include British Pound ("£") and/or Euro ("€").
[13] Investment is held by New Mountain Finance SBIC, L.P.
[14] 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.
[15] Investment is held by New Mountain Finance Holdings, L.L.C.
[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] 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
[18] Investment is held by New Mountain Finance Holdings, L.L.C.
[19] Investment is held by New Mountain Finance SBIC, L.P.
[20] 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
[21] 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.
[22] 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.
[23] 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.
[24] Investment is held by New Mountain Finance SBIC II, L.P.
[25] Investment is held by New Mountain Finance SBIC II, L.P.
[26] The Company's preferred equity investment in Dealer Tire Holdings, LLC 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 share, plus unpaid compounded dividends, was $27,116.
[27] The Company's preferred equity investment in Dealer Tire Holdings, LLC 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 share, plus unpaid compounded dividends, was $90,671.
[28] The Company holds investments in two wholly-owned subsidiaries of Diamond Parent Holdings Corp. The Company holds two first lien term loans, a first lien delayed draw and a first lien revolver in Diligent Corporation and preferred equity in Diligent Preferred Issuer Inc. 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 $15,827.
[29] 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.
[30] 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.
[31] 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.
[32] 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.
[33] 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.
[34] 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.
[35] The Company holds ordinary shares in FS WhiteWater Holdings, LLC, and a first lien term loan, a first lien revolver, and five first lien delayed draws in FS WhiteWater Borrower, LLC, a partially-owned subsidiary of FS WhiteWater Holdings, LLC.
[36] The Company holds ordinary shares in FS WhiteWater Holdings, LLC, and a first lien term loan, a first lien revolver, and five first lien delayed draws in FS WhiteWater Borrower, LLC, a partially-owned subsidiary of FS WhiteWater Holdings, LLC.
[37] The Company holds an LP Interest in Firebird Co-Invest L.P. and a first lien term loan, a first lien delayed and a first lien revolver in Firebird Acquisition Corp, Inc., a wholly-owned subsidiary of Firebird Co-Invest L.P.
[38] The Company holds an LP Interest in Firebird Co-Invest L.P. and holds a first lien term loan, a first lien delayed and a first lien revolver in Firebird Acquisition Corp, Inc., a wholly-owned subsidiary of Firebird Co-Invest L.P.
[39] The Company's common equity investment in HBWM Holdings, LLC. is entitled to receive cumulative return that are calculated using the unreturned original investment plus any unpaid capitalized dividends. As of June 30, 2026, the Company's unreturned original investment, plus any unpaid compounded dividends, was $4,810.
[40] Investment is held by NMF HB, Inc.
[41] The Company's common equity investment in HBWM Holdings, LLC. is entitled to receive cumulative return that are calculated using the unreturned original investment plus any unpaid capitalized dividends. As of December 31, 2025, the Company's unreturned original investment, plus any unpaid compounded dividends, was $4,776.
[42] Investment is held by NMF HB, Inc.
[43] The Company holds Class A-1 common units in Jawbreaker Topco, L.P., and two first lien term loans, a first lien delayed draw term loan and a first lien revolver in Jawbreaker Parent, Inc, a wholly-owned subsidiary of Jawbreaker Topco, L.P.
[44] The Company's preferred equity investment in Knockout Intermediate Holdings I, Inc. 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 share, plus unpaid compounded dividends, was $14,279.
[45] The Company's preferred equity investment in Knockout Intermediate Holdings I, Inc. 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 share, plus unpaid compounded dividends, was $13,323.
[46] 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%.
[47] 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.
[48] Investment is held by New Mountain Net Lease Corporation.
[49] 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.
[50] Investment is held by New Mountain Net Lease Corporation.
[51] 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.
[52] 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.
[53] 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.
[54] 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.
[55] 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.
[56] Investment is on non-accrual status as of December 31, 2025. See Note 3. Investments, for details.
[57] 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.
[58] Investment is held by NMF Permian Holdings, LLC.
[59] Investment is held by NMF Permian Holdings, LLC.
[60] Investment is held by NMF Pioneer, Inc.
[61] Investment is held by NMF Pioneer, Inc.
[62] 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
[63] 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.