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Investments - PPVA Black Elk (Equity) LLC (Details)
€ in Thousands, £ in Thousands, $ in Thousands
 1 Months Ended 12 Months Ended
Dec. 22, 2017
USD ($)
Aug. 31, 2017
USD ($)
Aug. 31, 2014
USD ($)
Dec. 31, 2018
USD ($)
Mar. 31, 2025
USD ($)
shares
Mar. 31, 2025
EUR (€)
shares
Mar. 31, 2025
GBP (£)
shares
Dec. 31, 2024
USD ($)
shares
Dec. 31, 2024
EUR (€)
shares
Dec. 31, 2024
GBP (£)
shares
Sep. 30, 2023
USD ($)
Sep. 30, 2021
USD ($)
Mar. 31, 2021
USD ($)
May 03, 2013
USD ($)
shares
Schedule of Investments [Line Items]                            
Cost         $ 3,092,943     $ 3,101,924            
Investments at fair value         3,034,211     $ 3,091,024            
Black Elk Trustee                            
Schedule of Investments [Line Items]                            
Damages sought $ 20,540 $ 20,540                        
Settlement amount awarded to other party $ 16,000                          
Payment received for settlement       $ 1,500                    
Investment, Identifier [Axis]: Adelaide Borrower, LLC, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value [1],[2],[3],[4],[5]         4,698                  
Cost [1],[3],[4],[5]         4,657                  
Investments at fair value [1],[3],[4],[5]         $ 4,698                  
Investment, Identifier [Axis]: AAC Lender Holdings, LLC, Ordinary shares                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         758 [2],[3],[4] 758 [2],[3],[4] 758 [2],[3],[4] 758 [6],[7],[8] 758 [6],[7],[8] 758 [6],[7],[8]        
Cost         $ 0 [3],[4]     $ 0 [7],[8]            
Investments at fair value         0 [3],[4]     0 [7],[8]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,659 [2],[3],[4],[9]     3,659 [6],[7],[8],[10]            
Cost         (37) [3],[4],[9]     (37) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         22,675 [2],[3],[11],[12]     22,733 [6],[7],[13],[14]            
Cost         22,537 [3],[11],[12]     22,583 [7],[13],[14]            
Investments at fair value         22,675 [3],[11],[12]     22,734 [7],[13],[14]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         20,165 [1],[2],[3],[4]     20,218 [6],[7],[8],[15]            
Cost         20,061 [1],[3],[4]     20,104 [7],[8],[15]            
Investments at fair value         20,165 [1],[3],[4]     20,218 [7],[8],[15]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 3                            
Schedule of Investments [Line Items]                            
Principal amount, par value         9,575 [2],[3],[16]     9,599 [6],[7],[17]            
Cost         9,524 [3],[16]     9,545 [7],[17]            
Investments at fair value         9,575 [3],[16]     9,599 [7],[17]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 4                            
Schedule of Investments [Line Items]                            
Principal amount, par value         7,357 [2],[3],[16]     7,375 [6],[7],[17]            
Cost         7,312 [3],[16]     7,327 [7],[17]            
Investments at fair value         7,357 [3],[16]     7,375 [7],[17]            
Investment, Identifier [Axis]: AAH Topco, LLC, Subordinated 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         16,185 [1],[2],[3],[4]     15,733 [6],[7],[8],[15]            
Cost         16,053 [1],[3],[4]     15,598 [7],[8],[15]            
Investments at fair value         15,916 [1],[3],[4]     15,366 [7],[8],[15]            
Investment, Identifier [Axis]: AAH Topco, LLC, Subordinated 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         6,347 [2],[3],[16]     6,170 [6],[7],[17]            
Cost         6,296 [3],[16]     6,117 [7],[17]            
Investments at fair value         6,242 [3],[16]     6,027 [7],[17]            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         282 [2],[3],[4],[9]     235 [6],[7],[8],[10]            
Cost         280 [3],[4],[9]     233 [7],[8],[10]            
Investments at fair value         272 [3],[4],[9]     228 [7],[8],[10]            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         2,071 [2],[3],[4],[9],[18]     2,118 [6],[7],[8],[10],[19],[20]            
Cost         (21) [3],[4],[9],[18]     (21) [7],[8],[10],[20]            
Investments at fair value         (74) [3],[4],[9],[18]     (62) [7],[8],[10],[20]            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         22,089 [2],[3],[11],[12]     21,910 [6],[7],[13],[14]            
Cost         21,968 [3],[11],[12]     21,782 [7],[13],[14]            
Investments at fair value         21,300 [3],[11],[12]     21,266 [7],[13],[14]            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         4,240 [1],[2],[3],[4]     4,206 [6],[7],[8],[15]            
Cost         4,206 [1],[3],[4]     4,170 [7],[8],[15]            
Investments at fair value         4,089 [1],[3],[4]     4,082 [7],[8],[15]            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien 3                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,915 [1],[2],[3],[4]     3,884 [6],[7],[8],[15]            
Cost         3,890 [1],[3],[4]     3,858 [7],[8],[15]            
Investments at fair value         $ 3,776 [1],[3],[4]     $ 3,769 [7],[8],[15]            
Investment, Identifier [Axis]: ACI Parent Inc., Preferred shares                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         12,500 [2],[3],[4],[18] 12,500 [2],[3],[4],[18] 12,500 [2],[3],[4],[18] 12,500 [6],[7],[8],[20] 12,500 [6],[7],[8],[20] 12,500 [6],[7],[8],[20]        
Cost         $ 18,982 [3],[4],[18]     $ 18,444 [7],[8],[20]            
Investments at fair value         16,872 [3],[4],[18]     16,419 [7],[8],[20]            
Investment, Identifier [Axis]: AI Altius US Bidco, Inc., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,062 [1],[2],[3],[4]     3,062 [6],[7],[8],[15]            
Cost         3,049 [1],[3],[4]     3,048 [7],[8],[15]            
Investments at fair value         3,062 [1],[3],[4]     3,062 [7],[8],[15]            
Investment, Identifier [Axis]: AI Altius US Bidco, Inc., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,077 [2],[3],[4],[9]     3,077 [6],[7],[8],[10]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Adelaide Borrower, LLC, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[15],[21]               4,698            
Cost [7],[8],[15],[21]               4,656            
Investments at fair value [7],[8],[15],[21]               4,698            
Investment, Identifier [Axis]: Adelaide Borrower, LLC, First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               1,048            
Cost [7],[8],[10]               0            
Investments at fair value [7],[8],[10]               0            
Investment, Identifier [Axis]: Adelaide Borrower, LLC, First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         1,048                  
Cost [3],[4],[9]         0                  
Investments at fair value [3],[4],[9]         0                  
Investment, Identifier [Axis]: Adelaide Borrower, LLC, First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         667 [2],[3],[4],[9]     667 [6],[7],[8],[10]            
Cost         (7) [3],[4],[9]     (7) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Alegeus Technologies Holdings Corp., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         8,478 [1],[2],[3],[4]     8,510 [6],[7],[8],[15]            
Cost         8,378 [1],[3],[4]     8,406 [7],[8],[15]            
Investments at fair value         $ 8,372 [1],[3],[4]     $ 8,404 [7],[8],[15]            
Investment, Identifier [Axis]: Ambrosia Holdco Corp., Ordinary shares 1                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         126,536 [2],[3],[12] 126,536 [2],[3],[12] 126,536 [2],[3],[12] 126,536 [6],[7],[14] 126,536 [6],[7],[14] 126,536 [6],[7],[14]        
Cost         $ 1,348 [3],[12]     $ 1,348 [7],[14]            
Investments at fair value         $ 1,291 [3],[12]     $ 1,348 [7],[14]            
Investment, Identifier [Axis]: Ambrosia Holdco Corp., Ordinary shares 2                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         122,044 [2],[3],[4] 122,044 [2],[3],[4] 122,044 [2],[3],[4] 122,044 [6],[7],[8] 122,044 [6],[7],[8] 122,044 [6],[7],[8]        
Cost         $ 1,300 [3],[4]     $ 1,300 [7],[8]            
Investments at fair value         1,245 [3],[4]     1,300 [7],[8]            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               1,969            
Cost [7],[8],[10]               (10)            
Investments at fair value [7],[8],[10]               0            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         1,969                  
Cost [3],[4],[9]         (10)                  
Investments at fair value [3],[4],[9]         0                  
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         18,915 [1],[2],[3],[4]     18,964 [6],[7],[13],[14]            
Cost         18,863 [1],[3],[4]     18,908 [7],[13],[14]            
Investments at fair value         18,915 [1],[3],[4]     18,964 [7],[13],[14]            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         5,264 [2],[3],[11],[12]     5,277 [6],[7],[13],[14]            
Cost         5,247 [3],[11],[12]     5,259 [7],[13],[14]            
Investments at fair value         5,264 [3],[11],[12]     5,277 [7],[13],[14]            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien 3                            
Schedule of Investments [Line Items]                            
Principal amount, par value         691 [1],[2],[3],[4]     693 [6],[7],[8],[15]            
Cost         689 [1],[3],[4]     690 [7],[8],[15]            
Investments at fair value         691 [1],[3],[4]     693 [7],[8],[15]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         31,406                  
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10],[22]               2,652            
Cost [7],[8],[10],[22]               0            
Investments at fair value [7],[8],[10],[22]               0            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         2,652                  
Cost [3],[4],[9]         0                  
Investments at fair value [3],[4],[9]         0                  
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         29,879 [2],[3],[12],[23]     29,879 [6],[7],[14]            
Cost         29,842 [3],[12],[23]     29,843 [7],[14]            
Investments at fair value         17,999 [3],[12],[23]     17,999 [7],[14]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,527 [2],[3],[4],[23]     1,527 [6],[7],[8]            
Cost         1,527 [3],[4],[23]     1,527 [7],[8]            
Investments at fair value         0 [3],[4],[23]     0 [7],[8]            
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.), Non-accrual status                            
Schedule of Investments [Line Items]                            
Cost         31,369                  
Investments at fair value         17,999                  
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), Subordinated                            
Schedule of Investments [Line Items]                            
Principal amount, par value         5,230 [2],[3],[4],[23]     5,230 [6],[7],[8]            
Cost         0 [3],[4],[23]     0 [7],[8]            
Investments at fair value         0 [3],[4],[23]     0 [7],[8]            
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]                            
Principal amount, par value         10,592 [1],[2],[3],[4]     10,618 [6],[7],[8],[15]            
Cost         10,525 [1],[3],[4]     10,548 [7],[8],[15]            
Investments at fair value         $ 10,592 [1],[3],[4]     $ 10,618 [7],[8],[15]            
Investment, Identifier [Axis]: Ancora Acquisition LLC, Preferred shares                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         372 [2],[3],[24] 372 [2],[3],[24] 372 [2],[3],[24] 372 [6],[7],[25] 372 [6],[7],[25] 372 [6],[7],[25]        
Cost         $ 83 [3],[24]     $ 83 [7],[25]            
Investments at fair value         0 [3],[24]     0 [7],[25]            
Investment, Identifier [Axis]: Associations, Inc., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         49,306 [1],[2],[3],[4]     49,430 [6],[7],[8],[15]            
Cost         49,285 [1],[3],[4]     49,409 [7],[8],[15]            
Investments at fair value         49,799 [1],[3],[4]     49,430 [7],[8],[15]            
Investment, Identifier [Axis]: Associations, Inc., First lien - Drawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         953 [2],[3],[4],[9]     641 [6],[7],[8],[10]            
Cost         954 [3],[4],[9]     641 [7],[8],[10]            
Investments at fair value         962 [3],[4],[9]     641 [7],[8],[10]            
Investment, Identifier [Axis]: Associations, Inc., First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               3,200            
Cost [7],[8],[10]               (2)            
Investments at fair value [7],[8],[10]               0            
Investment, Identifier [Axis]: Associations, Inc., First lien - Drawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         2,277 [2],[3],[4],[9]     1,539 [6],[7],[8],[10]            
Cost         2,276 [3],[4],[9]     1,538 [7],[8],[10]            
Investments at fair value         2,277 [3],[4],[9]     1,539 [7],[8],[10]            
Investment, Identifier [Axis]: Associations, Inc., First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         2,884 [2],[3],[4]     1,539 [6],[7],[8],[10]            
Cost         (1) [3],[4]     (1) [7],[8],[10]            
Investments at fair value         29 [3],[4]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Associations, Inc., First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4]         800                  
Cost [3],[4]         0                  
Investments at fair value [3],[4]         0                  
Investment, Identifier [Axis]: Associations, Inc., Subordinated 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         8,243 [2],[3],[4]     7,959 [6],[7],[8]            
Cost         8,226 [3],[4]     7,942 [7],[8]            
Investments at fair value         8,366 [3],[4]     7,959 [7],[8]            
Investment, Identifier [Axis]: Associations, Inc., Subordinated 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,148 [2],[3],[4]     3,039 [6],[7],[8]            
Cost         3,141 [3],[4]     3,033 [7],[8]            
Investments at fair value         3,195 [3],[4]     3,039 [7],[8]            
Investment, Identifier [Axis]: Aston FinCo S.a r.l. / Aston US Finco, LLC, Second lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         34,459 [1],[2],[3],[4]     34,459 [6],[7],[8],[15],[21]            
Cost         34,345 [1],[3],[4]     34,335 [7],[8],[15],[21]            
Investments at fair value         34,459 [1],[3],[4]     34,459 [7],[8],[15],[21]            
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10],[19],[21]               320            
Cost [7],[8],[10],[21]               (5)            
Investments at fair value [7],[8],[10],[21]               0            
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[5],[9]         320                  
Cost [3],[4],[5],[9]         (5)                  
Investments at fair value [3],[4],[5],[9]         0                  
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,437 [1],[2],[3],[4]     3,445 [6],[7],[8],[15]            
Cost         3,398 [1],[3],[4]     3,405 [7],[8],[15]            
Investments at fair value         3,437 [1],[3],[4]     3,445 [7],[8],[15]            
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,338 [1],[2],[3],[4]     1,342 [6],[7],[8],[15]            
Cost         1,327 [1],[3],[4]     1,330 [7],[8],[15]            
Investments at fair value         1,338 [1],[3],[4]     1,342 [7],[8],[15]            
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.) First Lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [1],[2],[3],[4]         36,155                  
Cost [1],[3],[4]         35,945                  
Investments at fair value [1],[3],[4]         35,446                  
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.), First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[15]               21,624            
Cost [7],[8],[15]               21,492            
Investments at fair value [7],[8],[15]               21,138            
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.), First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[13],[14]               14,624            
Cost [7],[13],[14]               14,534            
Investments at fair value [7],[13],[14]               14,295            
Investment, Identifier [Axis]: Avalara, Inc., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[15]               17,198            
Cost [7],[8],[15]               17,045            
Investments at fair value [7],[8],[15]               17,198            
Investment, Identifier [Axis]: Avalara, Inc., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               1,720            
Cost [7],[8],[10]               (21)            
Investments at fair value [7],[8],[10]               $ 0            
Investment, Identifier [Axis]: Bach Special Limited (Bach Preference Limited), Preferred shares                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares [6],[8],[15],[21]               138,678 138,678 138,678        
Cost [8],[15],[21]               $ 13,788            
Investments at fair value [8],[15],[21]               13,867            
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         13,652 [1],[2],[3],[4]     13,687 [6],[7],[8],[15]            
Cost         13,559 [1],[3],[4]     13,591 [7],[8],[15]            
Investments at fair value         13,550 [1],[3],[4]     13,585 [7],[8],[15]            
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP, First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         2,065 [2],[3],[4],[9]     2,065 [6],[7],[8],[10],[19]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         (15) [3],[4],[9]     (15) [7],[8],[10]            
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP, First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         2,894 [2],[3],[4],[9]     2,894 [6],[7],[8],[10],[19]            
Cost         (22) [3],[4],[9]     (22) [7],[8],[10]            
Investments at fair value         (22) [3],[4],[9]     (22) [7],[8],[10]            
Investment, Identifier [Axis]: Bamboo Health Holdings, LLC (f/k/a Appriss Health, LLC), First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         6,086 [1],[2],[3],[4]     6,109 [6],[7],[8],[15],[26]            
Cost         6,061 [1],[3],[4]     6,081 [7],[8],[15],[26]            
Investments at fair value         6,086 [1],[3],[4]     6,109 [7],[8],[15],[26]            
Investment, Identifier [Axis]: Bamboo Health Holdings, LLC (f/k/a Appriss Health, LLC), First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         417 [2],[3],[4],[9]     417 [6],[7],[8],[10],[26]            
Cost         (4) [3],[4],[9]     (4) [7],[8],[10],[26]            
Investments at fair value         0 [3],[4],[9]     $ 0 [7],[8],[10],[26]            
Investment, Identifier [Axis]: Bamboo Health Intermediate Holdings (fka Appriss Health Intermediate Holdings, Inc.), Preferred shares                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares [6],[7],[8],[26]               2,333 2,333 2,333        
Cost [7],[8],[26]               $ 3,432            
Investments at fair value [7],[8],[26]               3,371            
Investment, Identifier [Axis]: Beacon Pointe Harmony, LLC, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         466                  
Cost [3],[4],[9]         462                  
Investments at fair value [3],[4],[9]         466                  
Investment, Identifier [Axis]: Beacon Pointe Harmony, LLC, First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               467            
Cost [7],[8],[10]               464            
Investments at fair value [7],[8],[10]               467            
Investment, Identifier [Axis]: Beacon Pointe Harmony, LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,685 [2],[3],[4],[9]     1,685 [6],[7],[8],[10]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Bonterra LLC, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value [1],[2],[4]         15,065                  
Cost [1],[4]         15,027                  
Investments at fair value [1],[4]         15,027                  
Investment, Identifier [Axis]: Bonterra LLC, First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[4],[9]         266                  
Cost [4],[9]         265                  
Investments at fair value [4],[9]         265                  
Investment, Identifier [Axis]: Bonterra LLC, First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[4],[9]         1,629                  
Cost [4],[9]         0                  
Investments at fair value [4],[9]         0                  
Investment, Identifier [Axis]: Bonterra LLC, First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[4],[9]         1,363                  
Cost [4],[9]         (3)                  
Investments at fair value [4],[9]         (3)                  
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Drawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,316 [2],[3],[9],[27]     1,319 [6],[7],[10],[28]            
Cost         1,315 [3],[9],[27]     1,318 [7],[10],[28]            
Investments at fair value         1,316 [3],[9],[27]     1,319 [7],[10],[28]            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Drawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         515 [2],[3],[4],[9]     516 [6],[7],[8],[10]            
Cost         518 [3],[4],[9]     520 [7],[8],[10]            
Investments at fair value         515 [3],[4],[9]     516 [7],[8],[10]            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         376 [2],[3],[4],[9]     376 [6],[7],[8],[10]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,594 [2],[3],[4],[9]     1,594 [6],[7],[8],[10]            
Cost         (6) [3],[4],[9]     (6) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Undrawn 3                            
Schedule of Investments [Line Items]                            
Principal amount, par value         963 [2],[3],[9],[27]     963 [6],[7],[10],[28]            
Cost         (7) [3],[9],[27]     (7) [7],[10],[28]            
Investments at fair value         0 [3],[9],[27]     0 [7],[10],[28]            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         19,969 [2],[3],[27]     20,019 [6],[7],[28]            
Cost         19,883 [3],[27]     19,931 [7],[28]            
Investments at fair value         19,969 [3],[27]     20,019 [7],[28]            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         7,808 [2],[3],[11],[12]     7,827 [6],[7],[13],[14]            
Cost         7,808 [3],[11],[12]     7,827 [7],[13],[14]            
Investments at fair value         7,808 [3],[11],[12]     7,827 [7],[13],[14]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               935            
Cost [7],[8],[10]               (4)            
Investments at fair value [7],[8],[10]               0            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               417            
Cost [7],[8],[10]               417            
Investments at fair value [7],[8],[10]               417            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,847 [2],[3],[4],[9]     1,847 [6],[7],[8],[10]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         935                  
Cost [3],[4],[9]         (4)                  
Investments at fair value [3],[4],[9]         0                  
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         13,206 [2],[3],[11],[12]     13,206 [6],[7],[13],[14]            
Cost         13,172 [3],[11],[12]     13,170 [7],[13],[14]            
Investments at fair value         13,206 [3],[11],[12]     13,206 [7],[13],[14]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         8,879 [1],[2],[3],[4]     8,462 [6],[7],[8],[15]            
Cost         8,893 [1],[3],[4]     8,452 [7],[8],[15]            
Investments at fair value         8,879 [1],[3],[4]     8,462 [7],[8],[15]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 3                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,398 [2],[3],[11],[12]     3,398 [6],[7],[13],[14]            
Cost         3,394 [3],[11],[12]     3,394 [7],[13],[14]            
Investments at fair value         3,398 [3],[11],[12]     3,398 [7],[13],[14]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 4                            
Schedule of Investments [Line Items]                            
Principal amount, par value         761 [2],[3],[11],[12]     761 [6],[7],[13],[14]            
Cost         759 [3],[11],[12]     758 [7],[13],[14]            
Investments at fair value         761 [3],[11],[12]     761 [7],[13],[14]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 5                            
Schedule of Investments [Line Items]                            
Principal amount, par value         341 [2],[3],[11],[12]     341 [6],[7],[13],[14]            
Cost         340 [3],[11],[12]     340 [7],[13],[14]            
Investments at fair value         341 [3],[11],[12]     341 [7],[13],[14]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 6                            
Schedule of Investments [Line Items]                            
Principal amount, par value         272 [2],[3],[11],[12]     272 [6],[7],[13],[14]            
Cost         271 [3],[11],[12]     271 [7],[13],[14]            
Investments at fair value         272 [3],[11],[12]     272 [7],[13],[14]            
Investment, Identifier [Axis]: CB Buyer, Inc., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[13],[14]               3,308            
Cost [7],[13],[14]               3,293            
Investments at fair value [7],[13],[14]               3,292            
Investment, Identifier [Axis]: CB Buyer, Inc., First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               364            
Cost [7],[8],[10]               (2)            
Investments at fair value [7],[8],[10]               (2)            
Investment, Identifier [Axis]: CB Buyer, Inc., First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               934            
Cost [7],[8],[10]               0            
Investments at fair value [7],[8],[10]               (5)            
Investment, Identifier [Axis]: CFS Management, LLC, First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         11,918 [1],[2],[3],[4]     11,881 [6],[7],[13],[14]            
Cost         11,918 [1],[3],[4]     11,880 [7],[13],[14]            
Investments at fair value         10,429 [1],[3],[4]     10,693 [7],[13],[14]            
Investment, Identifier [Axis]: CFS Management, LLC, First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,551 [2],[3],[11],[12]     3,539 [6],[7],[13],[14]            
Cost         3,559 [3],[11],[12]     3,548 [7],[13],[14]            
Investments at fair value         3,107 [3],[11],[12]     3,185 [7],[13],[14]            
Investment, Identifier [Axis]: CG Group Holdings, LLC, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         8,514 [2],[3],[11],[12]     8,493 [6],[7],[13],[14]            
Cost         8,472 [3],[11],[12]     8,447 [7],[13],[14]            
Investments at fair value         8,514 [3],[11],[12]     8,449 [7],[13],[14]            
Investment, Identifier [Axis]: CG Group Holdings, LLC, First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,073 [1],[2],[3],[4],[9]     954 [6],[7],[8],[10],[15]            
Cost         1,061 [1],[3],[4],[9]     945 [7],[8],[10],[15]            
Investments at fair value         1,073 [1],[3],[4],[9]     950 [7],[8],[10],[15]            
Investment, Identifier [Axis]: CG Group Holdings, LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         113 [2],[3],[4],[9]     226 [6],[7],[8],[10]            
Cost         (1) [3],[4],[9]     (3) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     (1) [7],[8],[10]            
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         6,500 [2],[3],[11],[12]     6,516 [6],[7],[13],[14]            
Cost         6,469 [3],[11],[12]     6,484 [7],[13],[14]            
Investments at fair value         6,467 [3],[11],[12]     6,483 [7],[13],[14]            
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         565 [1],[2],[3],[4],[9]     489 [6],[7],[8],[10],[15]            
Cost         562 [1],[3],[4],[9]     486 [7],[8],[10],[15]            
Investments at fair value         562 [1],[3],[4],[9]     486 [7],[8],[10],[15]            
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         521 [2],[3],[4],[9]     597 [6],[7],[8],[10]            
Cost         (3) [3],[4],[9]     (3) [7],[8],[10]            
Investments at fair value         (3) [3],[4],[9]     (3) [7],[8],[10]            
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,629 [2],[3],[4],[9]     1,629 [6],[7],[8],[10]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         (8) [3],[4],[9]     (8) [7],[8],[10]            
Investment, Identifier [Axis]: Calabrio, Inc., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               850            
Cost [7],[8],[10]               (6)            
Investments at fair value [7],[8],[10]               0            
Investment, Identifier [Axis]: Calabrio, Inc., First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         637 [2],[3],[4],[9]     637 [6],[7],[8],[10]            
Cost         633 [3],[4],[9]     633 [7],[8],[10]            
Investments at fair value         637 [3],[4],[9]     637 [7],[8],[10]            
Investment, Identifier [Axis]: Calabrio, Inc., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         850                  
Cost [3],[4],[9]         (6)                  
Investments at fair value [3],[4],[9]         0                  
Investment, Identifier [Axis]: Calabrio, Inc., First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         12,255 [2],[3],[27]     12,286 [6],[7],[28]            
Cost         12,217 [3],[27]     12,244 [7],[28]            
Investments at fair value         12,255 [3],[27]     12,286 [7],[28]            
Investment, Identifier [Axis]: Calabrio, Inc., First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,570 [2],[3],[27]     1,574 [6],[7],[28]            
Cost         1,559 [3],[27]     1,562 [7],[28]            
Investments at fair value         1,570 [3],[27]     1,574 [7],[28]            
Investment, Identifier [Axis]: Cardinal Parent, Inc., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         11,700 [2],[16]     11,730 [6],[17]            
Cost         11,661 [16]     11,689 [17]            
Investments at fair value         11,433 [16]     11,249 [17]            
Investment, Identifier [Axis]: Cardinal Parent, Inc., Second lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         9,767 [2],[3],[16]     9,767 [6],[7],[17]            
Cost         9,712 [3],[16]     9,709 [7],[17]            
Investments at fair value         9,655 [3],[16]     9,423 [7],[17]            
Investment, Identifier [Axis]: CentralSquare Technologies, LLC, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[13],[14]               35,797            
Cost [7],[13],[14]               35,399            
Investments at fair value [7],[13],[14]               35,797            
Investment, Identifier [Axis]: CentralSquare Technologies, LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,980 [2],[3],[4],[9]     3,980 [6],[7],[8],[10]            
Cost         (50) [3],[4],[9]     (50) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: CentralSquare Technologies, LLC, Second Lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[11],[12]         36,023                  
Cost [3],[11],[12]         35,640                  
Investments at fair value [3],[11],[12]         36,023                  
Investment, Identifier [Axis]: Ciklum Inc, First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         2,989                  
Cost [3],[4],[9]         (37)                  
Investments at fair value [3],[4],[9]         0                  
Investment, Identifier [Axis]: Ciklum Inc., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         9,512 [2],[3],[5],[11],[12]     9,536 [6],[7],[13],[14],[21]            
Cost         9,410 [3],[5],[11],[12]     9,430 [7],[13],[14],[21]            
Investments at fair value         9,512 [3],[5],[11],[12]     9,536 [7],[13],[14],[21]            
Investment, Identifier [Axis]: Ciklum Inc., First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         11,955 [2],[3],[4],[9]     11,955 [6],[7],[8],[10]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Ciklum Inc., First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               2,989            
Cost [7],[8],[10]               (37)            
Investments at fair value [7],[8],[10]               0            
Investment, Identifier [Axis]: CommerceHub, Inc., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,910 [1],[2],[3],[4]     3,920 [6],[7],[8],[15]            
Cost         3,621 [1],[3],[4]     3,608 [7],[8],[15]            
Investments at fair value         3,910 [1],[3],[4]     3,920 [7],[8],[15]            
Investment, Identifier [Axis]: Compsych Investments Corp, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[11],[12]         1,162                  
Cost [3],[11],[12]         1,159                  
Investments at fair value [3],[11],[12]         1,159                  
Investment, Identifier [Axis]: Compsych Investments Corp., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[13],[14]               1,164            
Cost [7],[13],[14]               1,162            
Investments at fair value [7],[13],[14]               1,162            
Investment, Identifier [Axis]: Compsych Investments Corp., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         333 [2],[3],[4],[9]     333 [6],[7],[8],[10]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         (1) [3],[4],[9]     (1) [7],[8],[10]            
Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         13,243 [1],[2],[3],[4]     13,152 [6],[7],[8],[15]            
Cost         13,195 [1],[3],[4]     13,101 [7],[8],[15]            
Investments at fair value         12,180 [1],[3],[4]     11,935 [7],[8],[15]            
Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         2,211 [1],[2],[3],[4]     2,196 [6],[7],[8],[15]            
Cost         2,196 [1],[3],[4]     2,180 [7],[8],[15]            
Investments at fair value         2,034 [1],[3],[4]     1,993 [7],[8],[15]            
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[15]               1,050            
Cost [7],[8],[15]               1,045            
Investments at fair value [7],[8],[15]               1,050            
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value [1],[2],[3],[4]         1,047                  
Cost [1],[3],[4]         1,042                  
Investments at fair value [1],[3],[4]         1,047                  
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               578            
Cost [7],[8],[10]               (3)            
Investments at fair value [7],[8],[10]               0            
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         578                  
Cost [3],[4],[9]         (3)                  
Investments at fair value [3],[4],[9]         0                  
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         14,352 [1],[2],[3],[4]     14,388 [6],[7],[8],[15]            
Cost         14,212 [1],[3],[4]     14,243 [7],[8],[15]            
Investments at fair value         14,352 [1],[3],[4]     14,388 [7],[8],[15]            
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,291 [2],[3],[4],[9]     1,291 [6],[7],[8],[10]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         989 [2],[3],[4],[9]     989 [6],[7],[8],[10]            
Cost         (12) [3],[4],[9]     (12) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,799 [2],[3],[11],[12]     1,804 [6],[7],[13],[14]            
Cost         1,794 [3],[11],[12]     1,798 [7],[13],[14]            
Investments at fair value         1,761 [3],[11],[12]     1,758 [7],[13],[14]            
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,008 [1],[2],[3],[4]     1,011 [6],[7],[8],[15]            
Cost         998 [1],[3],[4]     1,000 [7],[8],[15]            
Investments at fair value         988 [1],[3],[4]     987 [7],[8],[15]            
Investment, Identifier [Axis]: DG Investment Intermediate Holdings 2, Inc., Second lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         20,313 [1],[2],[4]     20,313 [6],[8],[15]            
Cost         20,280 [1],[4]     20,280 [8],[15]            
Investments at fair value         20,034 [1],[4]     20,281 [8],[15]            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien (3)(13)(16) - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         481                  
Cost [3],[4],[9]         481                  
Investments at fair value [3],[4],[9]         479                  
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,924 [2],[3],[4],[9]     2,405 [6],[7],[8],[10]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         (8) [3],[4],[9]     (13) [7],[8],[10]            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         18,290 [1],[2],[3],[4]     18,337 [6],[7],[8],[15]            
Cost         18,290 [1],[3],[4]     18,337 [7],[8],[15]            
Investments at fair value         18,213 [1],[3],[4]     18,236 [7],[8],[15]            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         6,849 [2],[3],[16]     6,867 [6],[7],[17]            
Cost         6,849 [3],[16]     6,867 [7],[17]            
Investments at fair value         6,821 [3],[16]     6,829 [7],[17]            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien 3                            
Schedule of Investments [Line Items]                            
Principal amount, par value [1],[2],[3],[4]         3,380                  
Cost [1],[3],[4]         3,355                  
Investments at fair value [1],[3],[4]         3,366                  
Investment, Identifier [Axis]: DOXA Insurance Holdings LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,046 [2],[3],[4],[9]     3,046 [6],[7],[8],[10]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         [2],[3],[4],[9]     986 [6],[7],[8],[10]            
Cost         [3],[4],[9]     (10) [7],[8],[10]            
Investments at fair value         [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         12,845 [1],[2],[3],[4]     12,878 [6],[7],[8],[15]            
Cost         12,771 [1],[3],[4]     12,799 [7],[8],[15]            
Investments at fair value         12,845 [1],[3],[4]     12,878 [7],[8],[15]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,082 [2],[3],[11],[12]     1,085 [6],[7],[13],[14]            
Cost         1,076 [3],[11],[12]     1,078 [7],[13],[14]            
Investments at fair value         1,082 [3],[11],[12]     1,085 [7],[13],[14]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien 3                            
Schedule of Investments [Line Items]                            
Principal amount, par value         65 [2],[3],[4]     65 [6],[7],[8]            
Cost         64 [3],[4]     64 [7],[8]            
Investments at fair value         65 [3],[4]     $ 65 [7],[8]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         986                  
Cost [3],[4],[9]         (10)                  
Investments at fair value [3],[4],[9]         $ 0                  
Investment, Identifier [Axis]: Dealer Tire Holdings, LLC, Preferred shares                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         56,271 [1],[2],[3],[4] 56,271 [1],[2],[3],[4] 56,271 [1],[2],[3],[4] 56,271 [6],[7],[8],[15] 56,271 [6],[7],[8],[15] 56,271 [6],[7],[8],[15]        
Cost         $ 75,928 [1],[3],[4]     $ 75,927 [7],[8],[15]            
Investments at fair value         78,578 [1],[3],[4]     79,222 [7],[8],[15]            
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,027 [1],[2],[3],[4],[9]     3,027 [6],[7],[8],[10],[15]            
Cost         2,997 [1],[3],[4],[9]     2,997 [7],[8],[10],[15]            
Investments at fair value         3,000 [1],[3],[4],[9]     2,987 [7],[8],[10],[15]            
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         36,998 [2],[3],[11],[12]     37,094 [6],[7],[13],[14]            
Cost         36,788 [3],[11],[12]     36,871 [7],[13],[14]            
Investments at fair value         36,672 [3],[11],[12]     36,604 [7],[13],[14]            
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,894 [1],[2],[3],[4]     3,905 [6],[7],[8],[15]            
Cost         3,872 [1],[3],[4]     3,880 [7],[8],[15]            
Investments at fair value         3,860 [1],[3],[4]     3,853 [7],[8],[15]            
Investment, Identifier [Axis]: Diligent Corporation , First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[11],[12]         19,821                  
Cost [3],[11],[12]         19,755                  
Investments at fair value [3],[11],[12]         19,821                  
Investment, Identifier [Axis]: Diligent Corporation , First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [1],[2],[3],[4]         3,398                  
Cost [1],[3],[4]         3,387                  
Investments at fair value [1],[3],[4]         3,398                  
Investment, Identifier [Axis]: Diligent Corporation, First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         2,265 [2],[3],[4],[9]     2,265 [6],[7],[8],[10]            
Cost         (8) [3],[4],[9]     (8) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Diligent Corporation, First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,398 [2],[3],[4],[9]     3,398 [6],[7],[8],[10]            
Cost         (13) [3],[4],[9]     (13) [7],[8],[10]            
Investments at fair value         $ 0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Diligent Corporation, First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[13],[14]               19,821            
Cost [7],[13],[14]               19,753            
Investments at fair value [7],[13],[14]               19,821            
Investment, Identifier [Axis]: Diligent Corporation, First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[15]               3,398            
Cost [7],[8],[15]               3,386            
Investments at fair value [7],[8],[15]               $ 3,398            
Investment, Identifier [Axis]: Diligent Preferred Issuer, Inc., Preferred shares                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         10,000 [2],[3],[4],[29] 10,000 [2],[3],[4],[29] 10,000 [2],[3],[4],[29] 10,000 [6],[7],[8],[30] 10,000 [6],[7],[8],[30] 10,000 [6],[7],[8],[30]        
Cost         $ 14,912 [3],[4],[29]     $ 14,162 [7],[8],[30]            
Investments at fair value         14,364 [3],[4],[29]     13,609 [7],[8],[30]            
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.), First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         10,628 [2],[3],[11],[12]     10,628 [6],[7],[13],[14]            
Cost         10,628 [3],[11],[12]     10,628 [7],[13],[14]            
Investments at fair value         10,628 [3],[11],[12]     10,628 [7],[13],[14]            
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.), First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         340 [2],[3],[4]     340 [6],[7],[8]            
Cost         340 [3],[4]     340 [7],[8]            
Investments at fair value         $ 340 [3],[4]     $ 340 [7],[8]            
Investment, Identifier [Axis]: Eagle Infrastructure Super HoldCo, LLC, Ordinary shares                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         72,536 [2],[3],[4] 72,536 [2],[3],[4] 72,536 [2],[3],[4] 72,536 [6],[7],[8] 72,536 [6],[7],[8] 72,536 [6],[7],[8]        
Cost         $ 4,104 [3],[4]     $ 4,104 [7],[8]            
Investments at fair value         7,369 [3],[4]     8,188 [7],[8]            
Investment, Identifier [Axis]: Eclipse Buyer Inc., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         7,113 [2],[3],[16],[31]     7,113 [6],[7],[17],[32]            
Cost         7,079 [3],[16],[31]     7,078 [7],[17],[32]            
Investments at fair value         7,078 [3],[16],[31]     7,078 [7],[17],[32]            
Investment, Identifier [Axis]: Eclipse Buyer Inc., First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,206 [2],[3],[9],[16]     1,206 [6],[7],[10],[17]            
Cost         0 [3],[9],[16]     0 [7],[10],[17]            
Investments at fair value         (6) [3],[9],[16]     (6) [7],[10],[17]            
Investment, Identifier [Axis]: Eclipse Buyer Inc., First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         4,190 [2],[3],[4],[9]     4,190 [6],[7],[8],[10]            
Cost         (21) [3],[4],[9]     (21) [7],[8],[10]            
Investments at fair value         $ (21) [3],[4],[9]     $ (21) [7],[8],[10]            
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.), Ordinary shares                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         290 [2],[3],[4] 290 [2],[3],[4] 290 [2],[3],[4] 290 [6],[7],[8] 290 [6],[7],[8] 290 [6],[7],[8]        
Cost         $ 145 [3],[4]     $ 145 [7],[8]            
Investments at fair value         $ 305 [3],[4]     $ 305 [7],[8]            
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.), Preferred shares 1                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         2,900 [2],[3],[4] 2,900 [2],[3],[4] 2,900 [2],[3],[4] 2,900 [6],[7],[8] 2,900 [6],[7],[8] 2,900 [6],[7],[8]        
Cost         $ 2,900 [3],[4]     $ 2,900 [7],[8]            
Investments at fair value         $ 2,900 [3],[4]     $ 2,900 [7],[8]            
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.), Preferred shares 2                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         3,691 [2],[3],[4] 3,691 [2],[3],[4] 3,691 [2],[3],[4] 3,691 [6],[7],[8] 3,691 [6],[7],[8] 3,691 [6],[7],[8]        
Cost         $ 2,565 [3],[4]     $ 2,565 [7],[8]            
Investments at fair value         2,702 [3],[4]     $ 2,702 [7],[8]            
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc., Junior preferred shares, Non-accrual status                            
Schedule of Investments [Line Items]                            
Cost         2,565                  
Investments at fair value         $ 2,702                  
Investment, Identifier [Axis]: Eclipse Topco, Inc., Preferred shares                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         190 [2],[3],[16],[31] 190 [2],[3],[16],[31] 190 [2],[3],[16],[31] 190 [6],[7],[17],[32] 190 [6],[7],[17],[32] 190 [6],[7],[17],[32]        
Cost         $ 1,952 [3],[16],[31]     $ 1,952 [7],[17],[32]            
Investments at fair value         1,952 [3],[16],[31]     1,952 [7],[17],[32]            
Investment, Identifier [Axis]: Edmentum Ultimate Holdings, LLC, Subordinated                            
Schedule of Investments [Line Items]                            
Principal amount, par value         23,277 [2],[3],[4],[33]     22,290 [6],[7],[8]            
Cost         23,214 [3],[4],[33]     22,223 [7],[8]            
Investments at fair value         23,277 [3],[4],[33]     22,290 [7],[8]            
Investment, Identifier [Axis]: Einstein Parent, Inc., First Lien - Drawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [1],[2],[3],[4]         55,582                  
Cost [1],[3],[4]         55,039                  
Investments at fair value [1],[3],[4]         55,026                  
Investment, Identifier [Axis]: Einstein Parent, Inc.., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         5,750                  
Cost [3],[4],[9]         (57)                  
Investments at fair value [3],[4],[9]         (57)                  
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10],[34]               1,400            
Cost [7],[8],[10],[34]               (14)            
Investments at fair value [7],[8],[10],[34]               0            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         909                  
Cost [3],[4],[9]         0                  
Investments at fair value [3],[4],[9]         0                  
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[9],[27]         2,723                  
Cost [3],[9],[27]         0                  
Investments at fair value [3],[9],[27]         0                  
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Undrawn 3                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         1,400                  
Cost [3],[4],[9]         (14)                  
Investments at fair value [3],[4],[9]         0                  
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         8,527 [2],[3],[27]     10,185 [6],[7],[28]            
Cost         8,483 [3],[27]     10,127 [7],[28]            
Investments at fair value         8,527 [3],[27]     10,185 [7],[28]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         4,753 [1],[2],[3],[4]     5,677 [6],[7],[8],[15]            
Cost         4,721 [1],[3],[4]     5,636 [7],[8],[15]            
Investments at fair value         4,753 [1],[3],[4]     5,677 [7],[8],[15]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 3                            
Schedule of Investments [Line Items]                            
Principal amount, par value         2,863 [2],[3],[27]     3,419 [6],[7],[28]            
Cost         2,846 [3],[27]     3,398 [7],[28]            
Investments at fair value         2,863 [3],[27]     3,419 [7],[28]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 4                            
Schedule of Investments [Line Items]                            
Principal amount, par value         2,844 [2],[3],[27]     3,397 [6],[7],[28]            
Cost         2,829 [3],[27]     3,378 [7],[28]            
Investments at fair value         $ 2,844 [3],[27]     $ 3,397 [7],[28]            
Investment, Identifier [Axis]: FS WhiteWater Holdings, LLC, Ordinary shares                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         50,000 [2],[3],[27],[35] 50,000 [2],[3],[27],[35] 50,000 [2],[3],[27],[35] 50,000 [6],[7],[28],[34] 50,000 [6],[7],[28],[34] 50,000 [6],[7],[28],[34]        
Cost         $ 5,000 [3],[27],[35]     $ 5,000 [7],[28],[34]            
Investments at fair value         4,655 [3],[27],[35]     4,618 [7],[28],[34]            
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value [1],[2],[3],[4],[36]         8,058                  
Cost [1],[3],[4],[36]         8,039                  
Investments at fair value [1],[3],[4],[36]         8,038                  
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc., First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         4,740                  
Cost [3],[4],[9]         0                  
Investments at fair value [3],[4],[9]         0                  
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc., First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         1,422                  
Cost [3],[4],[9]         (4)                  
Investments at fair value [3],[4],[9]         $ (4)                  
Investment, Identifier [Axis]: Firebird Co-Invest L.P, LP Interest                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares [2],[3],[4],[36]         3,358,474 3,358,474 3,358,474              
Cost [3],[4],[36]         $ 3,358                  
Investments at fair value [3],[4],[36]         3,358                  
Investment, Identifier [Axis]: Flash Charm Inc. (fka Idera, Inc.), Second lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[16]         15,091                  
Cost [3],[16]         14,967                  
Investments at fair value [3],[16]         14,319                  
Investment, Identifier [Axis]: Flash Charm Inc. (fka Idera, Inc.), Second lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [1],[2],[3],[4]         2,012                  
Cost [1],[3],[4]         2,006                  
Investments at fair value [1],[3],[4]         1,909                  
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First Lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [1],[2],[3],[4]         4,064                  
Cost [1],[3],[4]         4,034                  
Investments at fair value [1],[3],[4]         4,064                  
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First Lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[11],[12]         37,095                  
Cost [3],[11],[12]         36,918                  
Investments at fair value [3],[11],[12]         37,095                  
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First Lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         601                  
Cost [3],[4],[9]         597                  
Investments at fair value [3],[4],[9]         601                  
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,312 [2],[3],[4],[9]     3,312 [6],[7],[8],[10]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,710 [2],[3],[4],[9]     2,095 [6],[7],[8],[10]            
Cost         (17) [3],[4],[9]     (21) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         18,372 [2],[3],[11],[12]     33,356 [6],[7],[13],[14]            
Cost         18,295 [3],[11],[12]     33,163 [7],[13],[14]            
Investments at fair value         18,372 [3],[11],[12]     33,356 [7],[13],[14]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         7,744 [1],[2],[3],[4]     4,075 [6],[7],[8],[15]            
Cost         7,696 [1],[3],[4]     4,041 [7],[8],[15]            
Investments at fair value         7,744 [1],[3],[4]     4,075 [7],[8],[15]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC, Subordinated                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4]         16,953                  
Cost [3],[4]         16,802                  
Investments at fair value [3],[4]         16,953                  
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Drawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,287 [2],[3],[4],[9]     1,001 [6],[7],[8],[10]            
Cost         1,274 [3],[4],[9]     990 [7],[8],[10]            
Investments at fair value         1,287 [3],[4],[9]     1,001 [7],[8],[10]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Drawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         98 [2],[3],[4],[9]     342 [6],[7],[8],[10]            
Cost         99 [3],[4],[9]     343 [7],[8],[10]            
Investments at fair value         98 [3],[4],[9]     342 [7],[8],[10]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,262 [2],[3],[4],[9]     3,360 [6],[7],[8],[10]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,573 [2],[3],[4],[9]     1,859 [6],[7],[8],[10]            
Cost         (16) [3],[4],[9]     (19) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         17,132 [2],[3],[11],[12]     17,176 [6],[7],[13],[14]            
Cost         17,028 [3],[11],[12]     17,066 [7],[13],[14]            
Investments at fair value         17,132 [3],[11],[12]     17,176 [7],[13],[14]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         12,330 [1],[2],[3],[4]     12,020 [6],[7],[8],[15]            
Cost         12,260 [1],[3],[4]     11,946 [7],[8],[15]            
Investments at fair value         12,330 [1],[3],[4]     12,020 [7],[8],[15]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 3                            
Schedule of Investments [Line Items]                            
Principal amount, par value         79 [2],[3],[4]     80 [6],[7],[8]            
Cost         79 [3],[4]     79 [7],[8]            
Investments at fair value         79 [3],[4]     80 [7],[8]            
Investment, Identifier [Axis]: Foundational Education Group, Inc., Second lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         22,500 [2],[3],[27]     22,500 [6],[7],[28]            
Cost         22,426 [3],[27]     22,423 [7],[28]            
Investments at fair value         22,500 [3],[27]     22,500 [7],[28]            
Investment, Identifier [Axis]: Foundational Education Group, Inc., Second lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         10,965 [1],[2],[3],[4]     7,009 [6],[7],[13],[14]            
Cost         10,720 [1],[3],[4]     6,992 [7],[13],[14]            
Investments at fair value         10,965 [1],[3],[4]     7,009 [7],[13],[14]            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,951 [2],[3],[4],[9]     3,951 [6],[7],[8],[10]            
Cost         (30) [3],[4],[9]     (30) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         40,211 [2],[3],[11],[12]     40,312 [6],[7],[13],[14]            
Cost         39,992 [3],[11],[12]     40,084 [7],[13],[14]            
Investments at fair value         40,211 [3],[11],[12]     40,312 [7],[13],[14]            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         21,395 [2],[3],[27]     21,448 [6],[7],[28]            
Cost         21,335 [3],[27]     21,386 [7],[28]            
Investments at fair value         $ 21,395 [3],[27]     $ 21,448 [7],[28]            
Investment, Identifier [Axis]: GEDC Equity, LLC, Participation Interest                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         190 [2],[3],[4] 190 [2],[3],[4] 190 [2],[3],[4] 190,000 [6],[7],[8] 190,000 [6],[7],[8] 190,000 [6],[7],[8]        
Cost         $ 190 [3],[4]     $ 190 [7],[8]            
Investments at fair value         50 [3],[4]     50 [7],[8]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         318 [2],[3],[4],[9]     319 [6],[7],[8],[10]            
Cost         318 [3],[4],[9]     319 [7],[8],[10]            
Investments at fair value         318 [3],[4],[9]     319 [7],[8],[10]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,120 [2],[3],[4],[9]     1,120 [6],[7],[8],[10]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         4,821 [2],[3],[4],[9]     4,821 [6],[7],[8],[10]            
Cost         (26) [3],[4],[9]     (26) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         34,628 [2],[3],[11],[12]     34,719 [6],[7],[13],[14]            
Cost         34,576 [3],[11],[12]     34,663 [7],[13],[14]            
Investments at fair value         34,628 [3],[11],[12]     34,719 [7],[13],[14]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         21,241 [2],[3],[27]     21,297 [6],[7],[28]            
Cost         21,209 [3],[27]     21,263 [7],[28]            
Investments at fair value         21,241 [3],[27]     21,297 [7],[28]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien 3                            
Schedule of Investments [Line Items]                            
Principal amount, par value         2,901 [1],[2],[3],[4]     2,909 [6],[7],[8],[15]            
Cost         2,895 [1],[3],[4]     2,902 [7],[8],[15]            
Investments at fair value         2,901 [1],[3],[4]     2,909 [7],[8],[15]            
Investment, Identifier [Axis]: Galway Borrower LLC, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,087 [2],[3],[11],[12]     1,090 [6],[7],[13],[14]            
Cost         1,081 [3],[11],[12]     1,083 [7],[13],[14]            
Investments at fair value         1,077 [3],[11],[12]     1,080 [7],[13],[14]            
Investment, Identifier [Axis]: Galway Borrower LLC, First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               1,806            
Cost [7],[8],[10]               1,779            
Investments at fair value [7],[8],[10]               1,788            
Investment, Identifier [Axis]: Galway Borrower LLC, First lien Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         1,801                  
Cost [3],[4],[9]         1,775                  
Investments at fair value [3],[4],[9]         1,783                  
Investment, Identifier [Axis]: GraphPAD Software, LLC, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         17,856 [2],[3],[11],[12]     17,901 [6],[7],[13],[14]            
Cost         17,815 [3],[11],[12]     17,858 [7],[13],[14]            
Investments at fair value         17,856 [3],[11],[12]     17,856 [7],[13],[14]            
Investment, Identifier [Axis]: GraphPAD Software, LLC, First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         446 [2],[3],[4],[9]     448 [6],[7],[8],[10]            
Cost         444 [3],[4],[9]     445 [7],[8],[10]            
Investments at fair value         446 [3],[4],[9]     446 [7],[8],[10]            
Investment, Identifier [Axis]: GraphPAD Software, LLC, First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,682 [2],[3],[4],[9]     1,682 [6],[7],[8],[10]            
Cost         (4) [3],[4],[9]     (4) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     (4) [7],[8],[10]            
Investment, Identifier [Axis]: GraphPAD Software, LLC, First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         4,038 [2],[3],[4],[9]     4,038 [6],[7],[8],[10]            
Cost         (10) [3],[4],[9]     (10) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     (10) [7],[8],[10]            
Investment, Identifier [Axis]: Greenway Health, LLC, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         6,286 [1],[2],[3],[4]     6,302 [6],[7],[8],[15]            
Cost         6,210 [1],[3],[4]     6,221 [7],[8],[15]            
Investments at fair value         $ 6,286 [1],[3],[4]     6,302 [7],[8],[15]            
Investment, Identifier [Axis]: Groundworks, LLC, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[17]               18,908            
Cost [17]               18,734            
Investments at fair value [17]               19,034            
Investment, Identifier [Axis]: Groundworks, LLC, First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[10],[17]               557            
Cost [10],[17]               552            
Investments at fair value [10],[17]               560            
Investment, Identifier [Axis]: Groundworks, LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[10],[17]               2,938            
Cost [10],[17]               (15)            
Investments at fair value [10],[17]               $ 20            
Investment, Identifier [Axis]: HBWM Holdings, LLC, Ordinary shares                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares [2],[3],[37]         47,114 47,114 47,114              
Cost [3],[37]         $ 4,733                  
Investments at fair value [3],[37]         9,532                  
Investment, Identifier [Axis]: HBWM Holdings, LLC, Ordinary shares                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares [6],[7],[38]               47,114 47,114 47,114        
Cost [7],[38]               $ 4,717            
Investments at fair value [7],[38]               9,532            
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc., Second lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         22,500 [2],[27]     22,500 [6],[28]            
Cost         22,441 [27]     22,441 [28]            
Investments at fair value         16,313 [27]     14,513 [28]            
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc., Second lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         4,208 [2],[11],[12]     4,208 [6],[13],[14]            
Cost         4,188 [11],[12]     4,188 [13],[14]            
Investments at fair value         3,051 [11],[12]     2,714 [13],[14]            
Investment, Identifier [Axis]: Healthspan Buyer, LLC, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         5,056 [1],[2],[3],[4]     5,069 [6],[7],[8],[15]            
Cost         5,013 [1],[3],[4]     5,025 [7],[8],[15]            
Investments at fair value         5,056 [1],[3],[4]     5,069 [7],[8],[15]            
Investment, Identifier [Axis]: Healthspan Buyer, LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,229 [2],[3],[4],[9]     1,229 [6],[7],[8],[10]            
Cost         (12) [3],[4],[9]     (12) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,798 [1],[2],[3],[4]     3,808 [6],[7],[8],[15]            
Cost         3,798 [1],[3],[4]     3,808 [7],[8],[15]            
Investments at fair value         3,798 [1],[3],[4]     3,808 [7],[8],[15]            
Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc., First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,315 [2],[3],[4],[9]     2,313 [6],[7],[8],[10]            
Cost         3,300 [3],[4],[9]     2,302 [7],[8],[10]            
Investments at fair value         3,315 [3],[4],[9]     2,313 [7],[8],[10]            
Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         4,665 [2],[3],[4],[9]     5,676 [6],[7],[8],[10]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Houghton Mifflin Harcourt Company, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         14,447 [1],[2],[4]     14,484 [6],[8],[15]            
Cost         14,091 [1],[4]     14,108 [8],[15]            
Investments at fair value         14,300 [1],[4]     14,291 [8],[15]            
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,780 [2],[3],[4],[9]     3,780 [6],[7],[8],[10]            
Cost         (38) [3],[4],[9]     (38) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         32,717 [2],[3],[11],[12]     32,799 [6],[7],[13],[14]            
Cost         32,540 [3],[11],[12]     32,611 [7],[13],[14]            
Investments at fair value         32,717 [3],[11],[12]     32,799 [7],[13],[14]            
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         2,536 [1],[2],[3],[4]     2,542 [6],[7],[8],[15]            
Cost         2,534 [1],[3],[4]     2,540 [7],[8],[15]            
Investments at fair value         2,536 [1],[3],[4]     2,542 [7],[8],[15]            
Investment, Identifier [Axis]: Icefall Parent, Inc., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         8,696 [1],[2],[3],[4]     8,696 [6],[7],[8],[15]            
Cost         8,622 [1],[3],[4]     8,619 [7],[8],[15]            
Investments at fair value         8,696 [1],[3],[4]     8,696 [7],[8],[15]            
Investment, Identifier [Axis]: Icefall Parent, Inc., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         828 [2],[3],[4],[9]     828 [6],[7],[8],[10]            
Cost         (8) [3],[4],[9]     (8) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Idera, Inc., Second lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[17]               15,091            
Cost [7],[17]               14,961            
Investments at fair value [7],[17]               15,091            
Investment, Identifier [Axis]: Idera, Inc., Second lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[15]               2,012            
Cost [7],[8],[15]               2,006            
Investments at fair value [7],[8],[15]               2,012            
Investment, Identifier [Axis]: Infogain Corporation, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,827 [2],[3],[4],[9]     3,827 [6],[7],[8],[10]            
Cost         (29) [3],[4],[9]     (29) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Infogain Corporation, First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[13],[14]               18,372            
Cost [7],[13],[14]               18,291            
Investments at fair value [7],[13],[14]               18,372            
Investment, Identifier [Axis]: Infogain Corporation, First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[15]               7,764            
Cost [7],[8],[15]               7,713            
Investments at fair value [7],[8],[15]               7,764            
Investment, Identifier [Axis]: Infogain Corporation, Subordinated                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8]               16,953            
Cost [7],[8]               16,795            
Investments at fair value [7],[8]               16,953            
Investment, Identifier [Axis]: Integro Parent Inc., Second lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[15],[21]               7,091            
Cost [7],[8],[15],[21]               6,405            
Investments at fair value [7],[8],[15],[21]               $ 6,331            
Investment, Identifier [Axis]: Ivy Hill Middle Market Credit Fund, Ltd, Structured Finance Obligations                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares [6],[8],[21]               3,232 3,232 3,232        
Cost [8],[21]               $ 3,232            
Investments at fair value [8],[21]               3,232            
Investment, Identifier [Axis]: Ivy Hill Middle Market Credit Fund, Ltd, Structured Finance Obligations                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4]         3,232                  
Cost [3],[4]         3,232                  
Investments at fair value [3],[4]         3,232                  
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         19 [2],[3],[4],[9]     19 [6],[7],[8],[10]            
Cost         19 [3],[4],[9]     19 [7],[8],[10]            
Investments at fair value         18 [3],[4],[9]     18 [7],[8],[10]            
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,568 [2],[3],[4],[9]     1,568 [6],[7],[8],[10],[19]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         (45) [3],[4],[9]     (47) [7],[8],[10]            
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         6,809 [1],[2],[3],[4]     6,827 [6],[7],[8],[15]            
Cost         6,770 [1],[3],[4]     6,785 [7],[8],[15]            
Investments at fair value         6,591 [1],[3],[4]     6,570 [7],[8],[15]            
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,146 [1],[2],[3],[4]     1,149 [6],[7],[8],[15]            
Cost         1,138 [1],[3],[4]     1,140 [7],[8],[15]            
Investments at fair value         1,109 [1],[3],[4]     1,106 [7],[8],[15]            
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien 3                            
Schedule of Investments [Line Items]                            
Principal amount, par value         780 [1],[2],[3],[4]     782 [6],[7],[8],[15]            
Cost         776 [1],[3],[4]     777 [7],[8],[15]            
Investments at fair value         755 [1],[3],[4]     752 [7],[8],[15]            
Investment, Identifier [Axis]: Kaseya Inc., First lien - Drawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10],[15]               973            
Cost [7],[8],[10],[15]               966            
Investments at fair value [7],[8],[10],[15]               973            
Investment, Identifier [Axis]: Kaseya Inc., First lien - Drawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               751            
Cost [7],[8],[10]               746            
Investments at fair value [7],[8],[10]               751            
Investment, Identifier [Axis]: Kaseya Inc., First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               2,865            
Cost [7],[8],[10]               0            
Investments at fair value [7],[8],[10]               0            
Investment, Identifier [Axis]: Kaseya Inc., First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               2,888            
Cost [7],[8],[10]               (22)            
Investments at fair value [7],[8],[10]               0            
Investment, Identifier [Axis]: Kaseya Inc., First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[13],[14]               64,124            
Cost [7],[13],[14]               63,786            
Investments at fair value [7],[13],[14]               64,124            
Investment, Identifier [Axis]: Kaseya Inc., First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[15]               238            
Cost [7],[8],[15]               237            
Investments at fair value [7],[8],[15]               238            
Investment, Identifier [Axis]: Kele Holdco, Inc. First Lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [1],[2],[3],[4],[9]         180                  
Cost [1],[3],[4],[9]         179                  
Investments at fair value [1],[3],[4],[9]         180                  
Investment, Identifier [Axis]: Kele Holdco, Inc. First Lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[27]         14,594                  
Cost [3],[27]         14,578                  
Investments at fair value [3],[27]         14,594                  
Investment, Identifier [Axis]: Kele Holdco, Inc. First Lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[27]         1,261                  
Cost [3],[27]         1,254                  
Investments at fair value [3],[27]         1,261                  
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               1,799            
Cost [7],[8],[10]               (9)            
Investments at fair value [7],[8],[10]               0            
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[28]               14,635            
Cost [7],[28]               14,617            
Investments at fair value [7],[28]               14,635            
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[28]               2,268            
Cost [7],[28]               2,254            
Investments at fair value [7],[28]               2,268            
Investment, Identifier [Axis]: Kele Holdco, Inc.., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         1,619                  
Cost [3],[4],[9]         (8)                  
Investments at fair value [3],[4],[9]         0                  
Investment, Identifier [Axis]: Kene Acquisition, Inc, First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         162                  
Cost [3],[4],[9]         160                  
Investments at fair value [3],[4],[9]         162                  
Investment, Identifier [Axis]: Kene Acquisition, Inc., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,500 [2],[3],[11],[12]     3,509 [6],[7],[13],[14]            
Cost         3,470 [3],[11],[12]     3,477 [7],[13],[14]            
Investments at fair value         3,500 [3],[11],[12]     3,509 [7],[13],[14]            
Investment, Identifier [Axis]: Kene Acquisition, Inc., First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               162            
Cost [7],[8],[10]               161            
Investments at fair value [7],[8],[10]               162            
Investment, Identifier [Axis]: Kene Acquisition, Inc., First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,398 [2],[3],[4],[9]     1,398 [6],[7],[8],[10]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Kene Acquisition, Inc., First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         468 [2],[3],[4],[9]     468 [6],[7],[8],[10]            
Cost         (5) [3],[4],[9]     (5) [7],[8],[10]            
Investments at fair value         $ 0 [3],[4],[9]     $ 0 [7],[8],[10]            
Investment, Identifier [Axis]: Knockout Intermediate Holdings I Inc., Preferred shares                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         7,376 [2],[3],[4] 7,376 [2],[3],[4] 7,376 [2],[3],[4] 15,150 [6],[7],[8],[39] 15,150 [6],[7],[8],[39] 15,150 [6],[7],[8],[39]        
Cost         $ 13,143 [3],[4]     $ 20,819 [7],[8],[39]            
Investments at fair value         13,236 [3],[4]     21,010 [7],[8],[39]            
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         6,151 [2],[3],[27]     6,124 [6],[7],[28]            
Cost         6,095 [3],[27]     6,065 [7],[28]            
Investments at fair value         6,090 [3],[27]     6,062 [7],[28]            
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC, First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         333 [2],[3],[4],[9]     72 [6],[7],[8],[10]            
Cost         329 [3],[4],[9]     71 [7],[8],[10]            
Investments at fair value         329 [3],[4],[9]     71 [7],[8],[10]            
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC, First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         358 [2],[3],[9],[27]     358 [6]            
Cost         0 [3],[9],[27]     0            
Investments at fair value         (4) [3],[9],[27]     (4)            
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC, First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         383 [2],[3],[4],[9]     644 [6],[7],[8],[10]            
Cost         (4) [3],[4],[9]     (6) [7],[8],[10]            
Investments at fair value         (4) [3],[4],[9]     (6) [7],[8],[10]            
Investment, Identifier [Axis]: Logrhythm, Inc., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         4,196 [2],[3],[4]     4,196 [6],[7],[8],[15]            
Cost         4,140 [3],[4]     4,138 [7],[8],[15]            
Investments at fair value         4,127 [3],[4]     4,196 [7],[8],[15]            
Investment, Identifier [Axis]: Logrhythm, Inc., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         420 [2],[3],[4],[9]     420 [6],[7],[8],[10]            
Cost         (6) [3],[4],[9]     (6) [7],[8],[10]            
Investments at fair value         (7) [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: MRI Software LLC, First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         111 [2],[3],[4],[9]     111 [6],[7],[8],[10]            
Cost         111 [3],[4],[9]     111 [7],[8],[10]            
Investments at fair value         111 [3],[4],[9]     111 [7],[8],[10]            
Investment, Identifier [Axis]: MRI Software LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               1,891            
Cost [7],[8],[10]               (9)            
Investments at fair value [7],[8],[10]               0            
Investment, Identifier [Axis]: MRI Software LLC, First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         21,373 [2],[3],[27]     21,430 [6],[7],[28]            
Cost         21,345 [3],[27]     21,398 [7],[28]            
Investments at fair value         21,373 [3],[27]     21,430 [7],[28]            
Investment, Identifier [Axis]: MRI Software LLC, First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         7,571 [1],[2],[3],[4]     7,591 [6],[7],[8],[15]            
Cost         7,561 [1],[3],[4]     7,580 [7],[8],[15]            
Investments at fair value         7,571 [1],[3],[4]     7,591 [7],[8],[15]            
Investment, Identifier [Axis]: MRI Software LLC, First lien 3                            
Schedule of Investments [Line Items]                            
Principal amount, par value         4,509 [2],[3],[11],[12]     4,521 [6],[7],[13],[14]            
Cost         4,509 [3],[11],[12]     4,516 [7],[13],[14]            
Investments at fair value         4,509 [3],[11],[12]     4,521 [7],[13],[14]            
Investment, Identifier [Axis]: MRI Software LLC, First lien 4                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,099 [2],[3],[11],[12]     3,107 [6],[7],[13],[14]            
Cost         3,096 [3],[11],[12]     3,103 [7],[13],[14]            
Investments at fair value         3,099 [3],[11],[12]     3,107 [7],[13],[14]            
Investment, Identifier [Axis]: MRI Software LLC, First lien 5                            
Schedule of Investments [Line Items]                            
Principal amount, par value         791 [1],[2],[3],[4]     793 [6],[7],[8],[15]            
Cost         790 [1],[3],[4]     792 [7],[8],[15]            
Investments at fair value         791 [1],[3],[4]     793 [7],[8],[15]            
Investment, Identifier [Axis]: MRI Software LLC., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         1,891                  
Cost [3],[4],[9]         (9)                  
Investments at fair value [3],[4],[9]         0                  
Investment, Identifier [Axis]: Michael Baker International, LLC, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[8],[15]               4,892            
Cost [8],[15]               4,869            
Investments at fair value [8],[15]               4,910            
Investment, Identifier [Axis]: Model N, Inc., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         44,107 [2],[3],[11],[12]     44,218 [6],[7],[13],[14]            
Cost         43,904 [3],[11],[12]     44,008 [7],[13],[14]            
Investments at fair value         43,886 [3],[11],[12]     43,997 [7],[13],[14]            
Investment, Identifier [Axis]: Model N, Inc., First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         4,825 [2],[3],[4],[9]     4,825 [6],[7],[8],[10],[19]            
Cost         (24) [3],[4],[9]     (24) [7],[8],[10]            
Investments at fair value         (24) [3],[4],[9]     (24) [7],[8],[10]            
Investment, Identifier [Axis]: Model N, Inc., First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         9,047 [2],[3],[4],[9]     9,047 [6],[7],[8],[10],[19]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         (45) [3],[4],[9]     (45) [7],[8],[10]            
Investment, Identifier [Axis]: NC Topco, LLC, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         5,879 [2],[3],[11],[12]     5,853 [6],[7],[13],[14]            
Cost         5,851 [3],[11],[12]     5,825 [7],[13],[14]            
Investments at fair value         5,849 [3],[11],[12]     5,824 [7],[13],[14]            
Investment, Identifier [Axis]: NC Topco, LLC, First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         669 [2],[3],[4],[9]     669 [6],[7],[8],[10]            
Cost         (3) [3],[4],[9]     (3) [7],[8],[10]            
Investments at fair value         (3) [3],[4],[9]     (3) [7],[8],[10]            
Investment, Identifier [Axis]: NC Topco, LLC, First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,672 [2],[3],[4],[9]     1,672 [6],[7],[8],[10]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         $ (8) [3],[4],[9]     $ (8) [7],[8],[10]            
Investment, Identifier [Axis]: NHME Holdings Corp., Ordinary shares                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         640,000 [2],[3],[4],[40] 640,000 [2],[3],[4],[40] 640,000 [2],[3],[4],[40] 640,000 [6],[7],[8],[41] 640,000 [6],[7],[8],[41] 640,000 [6],[7],[8],[41]        
Cost         $ 4,000 [3],[4],[40]     $ 4,000 [7],[8],[41]            
Investments at fair value         $ 0 [3],[4],[40]     $ 0 [7],[8],[41]            
Investment, Identifier [Axis]: NHME Holdings Corp., Warrants                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         160,000 [2],[3],[4],[40] 160,000 [2],[3],[4],[40] 160,000 [2],[3],[4],[40] 160,000 [6],[7],[8],[41] 160,000 [6],[7],[8],[41] 160,000 [6],[7],[8],[41]        
Cost         $ 1,000 [3],[4],[40]     $ 1,000 [7],[8],[41]            
Investments at fair value         $ 0 [3],[4],[40]     $ 0 [7],[8],[41]            
Investment, Identifier [Axis]: NM GP Holdco, LLC, Membership interest                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         0 [2],[3],[5],[42] 0 [2],[3],[5],[42] 0 [2],[3],[5],[42] 0 [6],[7],[21],[43] 0 [6],[7],[21],[43] 0 [6],[7],[21],[43]        
Cost         $ 850 [3],[5],[42]     $ 850 [7],[21],[43]            
Investments at fair value         $ 383 [3],[5],[42]     $ 322 [7],[21],[43]            
Investment, Identifier [Axis]: NM NL Holdings, L.P., Membership interest                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         0 [2],[3],[5],[42] 0 [2],[3],[5],[42] 0 [2],[3],[5],[42] 0 [6],[7],[21],[43] 0 [6],[7],[21],[43] 0 [6],[7],[21],[43]        
Cost         $ 74,248 [3],[5],[42]     $ 74,248 [7],[21],[43]            
Investments at fair value         $ 105,211 [3],[5],[42]     $ 104,512 [7],[21],[43]            
Investment, Identifier [Axis]: NM YI, LLC, Membership interest                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         0 [2],[3],[42] 0 [2],[3],[42] 0 [2],[3],[42] 0 [6],[7],[43] 0 [6],[7],[43] 0 [6],[7],[43]        
Cost         $ 6,272 [3],[42]     $ 6,272 [7],[43]            
Investments at fair value         8,927 [3],[42]     9,960 [7],[43]            
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         19,259 [1],[2],[3],[4]     19,259 [6],[7],[8],[15]            
Cost         19,116 [1],[3],[4]     19,106 [7],[8],[15]            
Investments at fair value         19,259 [1],[3],[4]     19,259 [7],[8],[15]            
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         5,012 [1],[2],[3],[4]     5,012 [6],[7],[8],[15]            
Cost         4,997 [1],[3],[4]     4,996 [7],[8],[15]            
Investments at fair value         5,012 [1],[3],[4]     5,012 [7],[8],[15]            
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien 3                            
Schedule of Investments [Line Items]                            
Principal amount, par value         4,913 [2],[3],[11],[12]     4,913 [6],[7],[13],[14]            
Cost         4,876 [3],[11],[12]     4,874 [7],[13],[14]            
Investments at fair value         $ 4,913 [3],[11],[12]     $ 4,913 [7],[13],[14]            
Investment, Identifier [Axis]: NMFC Senior Loan Program III LLC, Membership interest                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         0 [2],[3],[4],[5] 0 [2],[3],[4],[5] 0 [2],[3],[4],[5] 0 [6],[7],[8],[21] 0 [6],[7],[8],[21] 0 [6],[7],[8],[21]        
Cost         $ 160,000 [3],[4],[5]     $ 160,000 [7],[8],[21]            
Investments at fair value         $ 160,000 [3],[4],[5]     $ 160,000 [7],[8],[21]            
Investment, Identifier [Axis]: NMFC Senior Loan Program IV LLC, Membership interest                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         0 [2],[3],[4],[5] 0 [2],[3],[4],[5] 0 [2],[3],[4],[5] 0 [6],[7],[8],[21] 0 [6],[7],[8],[21] 0 [6],[7],[8],[21]        
Cost         $ 112,400 [3],[4],[5]     $ 112,400 [7],[8],[21]            
Investments at fair value         112,400 [3],[4],[5]     112,400 [7],[8],[21]            
Investment, Identifier [Axis]: National HME, Inc., Second lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         8,281 [2],[3],[4],[40]     8,281 [6],[7],[8],[41]            
Cost         7,872 [3],[4],[40]     7,871 [7],[8],[41]            
Investments at fair value         3,000 [3],[4],[40]     3,000 [7],[8],[41]            
Investment, Identifier [Axis]: Nelipak Holding Company First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value               17,109            
Investment, Identifier [Axis]: Nelipak Holding Company First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value               406            
Investment, Identifier [Axis]: Nelipak Holding Company First lien 3                            
Schedule of Investments [Line Items]                            
Principal amount, par value               6,638            
Investment, Identifier [Axis]: Nelipak Holding Company First lien 4                            
Schedule of Investments [Line Items]                            
Principal amount, par value               833            
Investment, Identifier [Axis]: Nelipak Holding Company, Drawn Revolver                            
Schedule of Investments [Line Items]                            
Principal amount, par value         226                  
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Drawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,306 [1],[2],[3],[4],[9],[44]     1,097 [6],[7],[8],[10],[15],[45]            
Cost         1,296 [1],[3],[4],[9],[44]     1,089 [7],[8],[10],[15],[45]            
Investments at fair value         1,306 [1],[3],[4],[9],[44]     1,097 [7],[8],[10],[15],[45]            
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Drawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value           € 209 [2],[3],[4],[9]   392 [6],[7],[8],[10]            
Cost         224 [3],[4],[9]     406 [7],[8],[10]            
Investments at fair value         226 [3],[4],[9]     405 [7],[8],[10]            
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,501 [2],[3],[4],[9]     3,501 [6],[7],[8],[10]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value           6,411 [1],[2],[3],[4],[9],[44]   6,411 [6],[7],[8],[10],[15],[45]            
Cost         0 [1],[3],[4],[9],[44]     0 [7],[8],[10],[15],[45]            
Investments at fair value         0 [1],[3],[4],[9],[44]     0 [7],[8],[10],[15],[45]            
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Undrawn 3                            
Schedule of Investments [Line Items]                            
Principal amount, par value           987 [1],[2],[3],[4],[9],[44]   804 [6],[7],[8],[10],[15],[45]            
Cost         (7) [1],[3],[4],[9],[44]     (6) [7],[8],[10],[15],[45]            
Investments at fair value         0 [1],[3],[4],[9],[44]     0 [7],[8],[10],[15],[45]            
Investment, Identifier [Axis]: Nelipak Holding Company, First lien - Undrawn 4                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,306 [2],[3],[4],[9]     1,515 [6],[7],[8],[10]            
Cost         (10) [3],[4],[9]     (11) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Nelipak Holding Company, First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         17,830 € 16,482 [1],[2],[3],[4],[44]     € 16,523 [6],[7],[8],[15],[45]          
Cost         17,735 [1],[3],[4],[44]     17,776 [7],[8],[15],[45]            
Investments at fair value         17,830 [1],[3],[4],[44]     17,108 [7],[8],[15],[45]            
Investment, Identifier [Axis]: Nelipak Holding Company, First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         9,001 [2],[3],[11],[12]     9,023 [6],[7],[13],[14]            
Cost         8,940 [3],[11],[12]     8,961 [7],[13],[14]            
Investments at fair value         9,001 [3],[11],[12]     9,023 [7],[13],[14]            
Investment, Identifier [Axis]: Nelipak Holding Company, Undrawn Delayed Draw Term Loan                            
Schedule of Investments [Line Items]                            
Principal amount, par value         6,935                  
Investment, Identifier [Axis]: Nelipak Holding Company, Undrawn Revolver                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,068                  
Investment, Identifier [Axis]: New Benevis Holdco, Inc., First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         47,496 [2],[3],[12]     46,068 [6],[7],[14]            
Cost         47,496 [3],[12]     46,068 [7],[14]            
Investments at fair value         47,496 [3],[12]     46,068 [7],[14]            
Investment, Identifier [Axis]: New Benevis Holdco, Inc., First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         36,948 [1],[2],[3],[4]     33,155 [6],[7],[8],[15]            
Cost         36,948 [1],[3],[4]     33,155 [7],[8],[15]            
Investments at fair value         36,948 [1],[3],[4]     33,155 [7],[8],[15]            
Investment, Identifier [Axis]: New Benevis Holdco, Inc., Subordinated                            
Schedule of Investments [Line Items]                            
Principal amount, par value         24,535 [2],[3],[4]     23,814 [6],[7],[8]            
Cost         23,776 [3],[4]     22,942 [7],[8]            
Investments at fair value         $ 19,628 [3],[4]     $ 19,051 [7],[8]            
Investment, Identifier [Axis]: New Benevis Topco, LLC, Ordinary shares 1                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         325,516 [2],[3],[12] 325,516 [2],[3],[12] 325,516 [2],[3],[12] 325,516 [6],[7],[14] 325,516 [6],[7],[14] 325,516 [6],[7],[14]        
Cost         $ 27,154 [3],[12]     $ 27,154 [7],[14]            
Investments at fair value         $ 27,697 [3],[12]     $ 28,481 [7],[14]            
Investment, Identifier [Axis]: New Benevis Topco, LLC, Ordinary shares 2                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         152,548 [2],[3],[4] 152,548 [2],[3],[4] 152,548 [2],[3],[4] 152,548 [6],[7],[8] 152,548 [6],[7],[8] 152,548 [6],[7],[8]        
Cost         $ 12,768 [3],[4]     $ 12,768 [7],[8]            
Investments at fair value         $ 12,980 [3],[4]     $ 13,347 [7],[8]            
Investment, Identifier [Axis]: New Permian Holdco, Inc., Ordinary shares                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         100 [2],[3],[4] 100 [2],[3],[4] 100 [2],[3],[4] 100 [6],[7],[8] 100 [6],[7],[8] 100 [6],[7],[8]        
Cost         $ 11,155 [3],[4]     $ 11,155 [7],[8]            
Investments at fair value         16,000 [3],[4]     18,900 [7],[8]            
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         23,336 [1],[2],[3],[4]     23,336 [6],[7],[8],[15]            
Cost         23,336 [1],[3],[4]     23,336 [7],[8],[15]            
Investments at fair value         23,336 [1],[3],[4]     23,336 [7],[8],[15]            
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         22,184 [1],[2],[3],[4],[9]     20,840 [6],[7],[8],[10],[15]            
Cost         22,184 [1],[3],[4],[9]     20,840 [7],[8],[10],[15]            
Investments at fair value         22,184 [1],[3],[4],[9]     20,840 [7],[8],[10],[15]            
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         9,710 [2],[3],[4],[9]     1,055 [6],[7],[8],[10]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Next Holdco, LLC, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         6,312 [2],[3],[11],[12]     3,494 [6],[7],[13],[14]            
Cost         6,276 [3],[11],[12]     3,471 [7],[13],[14]            
Investments at fair value         6,312 [3],[11],[12]     3,494 [7],[13],[14]            
Investment, Identifier [Axis]: Next Holdco, LLC, First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               903            
Cost [7],[8],[10]               0            
Investments at fair value [7],[8],[10]               0            
Investment, Identifier [Axis]: Next Holdco, LLC, First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               339            
Cost [7],[8],[10]               (3)            
Investments at fair value [7],[8],[10]               0            
Investment, Identifier [Axis]: Next Holdco, LLC, First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         903                  
Cost [3],[4],[9]         0                  
Investments at fair value [3],[4],[9]         0                  
Investment, Identifier [Axis]: Next Holdco, LLC, First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         339                  
Cost [3],[4],[9]         (3)                  
Investments at fair value [3],[4],[9]         0                  
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         646 [2],[3],[4],[9]     880 [6],[7],[8],[10],[19]            
Cost         (5) [3],[4],[9]     (7) [7],[8],[10]            
Investments at fair value         (99) [3],[4],[9]     (71) [7],[8],[10]            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         10,096 [1],[2],[3],[4]     10,058 [6],[7],[8],[15]            
Cost         10,058 [1],[3],[4]     10,017 [7],[8],[15]            
Investments at fair value         8,553 [1],[3],[4]     9,241 [7],[8],[15]            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         9,970 [1],[2],[3],[4]     9,932 [6],[7],[8],[15]            
Cost         9,930 [1],[3],[4]     9,889 [7],[8],[15]            
Investments at fair value         8,446 [1],[3],[4]     9,126 [7],[8],[15]            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien 3                            
Schedule of Investments [Line Items]                            
Principal amount, par value         880 [1],[2],[3],[4]     877 [6],[7],[8],[15]            
Cost         874 [1],[3],[4]     870 [7],[8],[15]            
Investments at fair value         745 [1],[3],[4]     805 [7],[8],[15]            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         235                  
Cost [3],[4],[9]         233                  
Investments at fair value [3],[4],[9]         199                  
Investment, Identifier [Axis]: OA Buyer, Inc., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,600 [2],[3],[4],[9]     3,600 [6],[7],[8],[10],[46]            
Cost         (36) [3],[4],[9]     (36) [7],[8],[10],[46]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10],[46]            
Investment, Identifier [Axis]: OA Buyer, Inc., First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         31,434 [2],[3],[11],[12]     31,513 [6],[7],[13],[14]            
Cost         31,367 [3],[11],[12]     31,442 [7],[13],[14]            
Investments at fair value         31,434 [3],[11],[12]     31,513 [7],[13],[14]            
Investment, Identifier [Axis]: OA Buyer, Inc., First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         27,355 [2],[3],[11],[12]     27,425 [6],[7],[13],[14]            
Cost         27,188 [3],[11],[12]     27,248 [7],[13],[14]            
Investments at fair value         27,355 [3],[11],[12]     27,425 [7],[13],[14]            
Investment, Identifier [Axis]: OA Buyer, Inc., First lien 3                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,732 [2],[3],[11],[12]     1,736 [6],[7],[13],[14]            
Cost         1,721 [3],[11],[12]     1,724 [7],[13],[14]            
Investments at fair value         $ 1,732 [3],[11],[12]     $ 1,736 [7],[13],[14]            
Investment, Identifier [Axis]: OA Topco, L.P., Ordinary shares                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         2,000,000 [2],[3],[4],[47] 2,000,000 [2],[3],[4],[47] 2,000,000 [2],[3],[4],[47] 2,000,000 [6],[7],[8],[46] 2,000,000 [6],[7],[8],[46] 2,000,000 [6],[7],[8],[46]        
Cost         $ 2,000 [3],[4],[47]     $ 2,000 [7],[8],[46]            
Investments at fair value         14,980 [3],[4],[47]     7,646 [7],[8],[46]            
Investment, Identifier [Axis]: OEConnection LLC, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[13],[14]               46,430            
Cost [7],[13],[14]               46,214            
Investments at fair value [7],[13],[14]               46,430            
Investment, Identifier [Axis]: OEConnection LLC, First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               8,101            
Cost [7],[8],[10]               0            
Investments at fair value [7],[8],[10]               0            
Investment, Identifier [Axis]: OEConnection LLC, First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               5,063            
Cost [7],[8],[10]               (25)            
Investments at fair value [7],[8],[10]               0            
Investment, Identifier [Axis]: OEConnection LLC, First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[11],[12]         46,313                  
Cost [3],[11],[12]         46,104                  
Investments at fair value [3],[11],[12]         46,313                  
Investment, Identifier [Axis]: OEConnection LLC, First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [1],[2],[3],[4]         8,081                  
Cost [1],[3],[4]         8,041                  
Investments at fair value [1],[3],[4]         8,081                  
Investment, Identifier [Axis]: OEConnection LLC., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         5,063                  
Cost [3],[4],[9]         (25)                  
Investments at fair value [3],[4],[9]         0                  
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,860 [2],[3],[4],[9]     1,860 [6],[7],[8],[10]            
Cost         (23) [3],[4],[9]     (23) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         14,880 [1],[2],[3],[4]     7,440 [6],[7],[13],[14]            
Cost         14,745 [1],[3],[4]     7,370 [7],[13],[14]            
Investments at fair value         14,880 [1],[3],[4]     7,440 [7],[13],[14]            
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         5,454 [1],[2],[3],[4]     7,440 [6],[7],[8]            
Cost         5,407 [1],[3],[4]     7,369 [7],[8]            
Investments at fair value         5,454 [1],[3],[4]     7,440 [7],[8]            
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien 3                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8]               5,454            
Cost [7],[8]               5,404            
Investments at fair value [7],[8]               5,454            
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[17]               18,161            
Cost [7],[17]               18,078            
Investments at fair value [7],[17]               18,161            
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         244 [2],[3],[4],[9]     2,360 [6],[7],[10],[17]            
Cost         243 [3],[4],[9]     2,348 [7],[10],[17]            
Investments at fair value         244 [3],[4],[9]     2,360 [7],[10],[17]            
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,586 [2],[3],[4],[9]     1,865 [6],[7],[10],[17]            
Cost         (8) [3],[4],[9]     0 [7],[10],[17]            
Investments at fair value         0 [3],[4],[9]     0 [7],[10],[17]            
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,865 [2],[3],[9],[16]     1,830 [6],[7],[8],[10]            
Cost         0 [3],[9],[16]     (9) [7],[8],[10]            
Investments at fair value         0 [3],[9],[16]     0 [7],[8],[10]            
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[16]         20,469                  
Cost [3],[16]         20,378                  
Investments at fair value [3],[16]         20,469                  
Investment, Identifier [Axis]: PDI TA Holdings, Inc., First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [1],[2],[3],[4]         513                  
Cost [1],[3],[4]         513                  
Investments at fair value [1],[3],[4]         513                  
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         486 [2],[3],[4],[9]     486 [6],[7],[8],[10]            
Cost         (5) [3],[4],[9]     (5) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         22,331 [2],[3],[16]     22,388 [6],[7],[17]            
Cost         22,279 [3],[16]     22,332 [7],[17]            
Investments at fair value         22,331 [3],[16]     22,388 [7],[17]            
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         8,238 [2],[3],[11],[12]     8,258 [6],[7],[13],[14]            
Cost         8,238 [3],[11],[12]     8,258 [7],[13],[14]            
Investments at fair value         8,238 [3],[11],[12]     8,258 [7],[13],[14]            
Investment, Identifier [Axis]: PPVA Black Elk (Equity) LLC, Subordinated                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares                           20,000,000
Principal amount, par value         14,500 [2],[3],[4]     14,500 [6],[7],[8]           $ 20,000
Repurchase amount                           $ 20,000
Proceeds from sale of investment     $ 20,540                      
Cost         14,500 [3],[4]     14,500 [7],[8]            
Investments at fair value         6,525 [3],[4]     6,525 [7],[8]            
Investment, Identifier [Axis]: PPVA Fund, L.P., Collateralized Financing                            
Schedule of Investments [Line Items]                            
Principal amount, par value         0 [2],[23],[48]     0 [6],[49],[50]            
Cost         0 [23],[48]     0 [49],[50]            
Investments at fair value         0 [23],[48]     0 [49],[50]            
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         7,635 [2],[3],[11],[12]     7,654 [6],[7],[13],[14]            
Cost         7,617 [3],[11],[12]     7,635 [7],[13],[14]            
Investments at fair value         7,616 [3],[11],[12]     7,635 [7],[13],[14]            
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10],[15]               258            
Cost [7],[8],[10],[15]               258            
Investments at fair value [7],[8],[10],[15]               258            
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien - Drawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         617                  
Cost [3],[4],[9]         615                  
Investments at fair value [3],[4],[9]         615                  
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien - Drawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [1],[2],[3],[4],[9]         210                  
Cost [1],[3],[4],[9]         210                  
Investments at fair value [1],[3],[4],[9]         210                  
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         583 [2],[3],[4],[9]     643 [6],[7],[8],[10]            
Cost         (1) [3],[4],[9]     (2) [7],[8],[10]            
Investments at fair value         (1) [3],[4],[9]     (2) [7],[8],[10]            
Investment, Identifier [Axis]: Park Place Technologies, LLC, First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         691 [2],[3],[4],[9]     1,201 [6],[7],[8],[10]            
Cost         (2) [3],[4],[9]     (3) [7],[8],[10]            
Investments at fair value         (2) [3],[4],[9]     (3) [7],[8],[10]            
Investment, Identifier [Axis]: Permian Trust, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,409 [2],[3],[4]     3,409 [6],[7],[8],[49]            
Cost         0 [3],[4]     0 [7],[8],[49]            
Investments at fair value         0 [3],[4]     0 [7],[8],[49]            
Investment, Identifier [Axis]: Permian Trust, Trust Claim                            
Schedule of Investments [Line Items]                            
Principal amount, par value         247 [2],[3],[51]     247 [6],[7],[49],[52]            
Cost         0 [3],[51]     0 [7],[49],[52]            
Investments at fair value         0 [3],[51]     0 [7],[49],[52]            
Investment, Identifier [Axis]: PetVet Care Centers, LLC, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         28,074 [1],[2],[3],[4]     28,145 [6],[7],[13],[14]            
Cost         27,833 [1],[3],[4]     27,895 [7],[13],[14]            
Investments at fair value         27,614 [1],[3],[4]     28,145 [7],[13],[14]            
Investment, Identifier [Axis]: PetVet Care Centers, LLC, First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,708 [2],[3],[4],[9]     3,708 [6],[7],[8],[10]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         (61) [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: PetVet Care Centers, LLC, First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,708 [2],[3],[4],[9]     3,708 [6],[7],[8],[10]            
Cost         (37) [3],[4],[9]     (37) [7],[8],[10]            
Investments at fair value         (61) [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10],[53]               3,284            
Cost [7],[8],[10],[53]               (26)            
Investments at fair value [7],[8],[10],[53]               0            
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         23,089 [1],[2],[3],[4]     23,089 [6],[7],[8],[15]            
Cost         23,002 [1],[3],[4]     22,997 [7],[8],[15]            
Investments at fair value         23,089 [1],[3],[4]     23,089 [7],[8],[15]            
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         2,374 [1],[2],[3],[4]     2,374 [6],[7],[8],[15]            
Cost         2,364 [1],[3],[4]     2,364 [7],[8],[15]            
Investments at fair value         2,374 [1],[3],[4]     $ 2,374 [7],[8],[15]            
Investment, Identifier [Axis]: Pioneer Buyer I, LLC., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9],[54]         3,284                  
Cost [3],[4],[9],[54]         (26)                  
Investments at fair value [3],[4],[9],[54]         $ 0                  
Investment, Identifier [Axis]: Pioneer Topco I, L.P., Ordinary shares                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         199,980 [2],[3],[54],[55] 199,980 [2],[3],[54],[55] 199,980 [2],[3],[54],[55] 199,980 [6],[7],[53],[56] 199,980 [6],[7],[53],[56] 199,980 [6],[7],[53],[56]        
Cost         $ 2,000 [3],[54],[55]     $ 2,000 [7],[53],[56]            
Investments at fair value         2,000 [3],[54],[55]     2,000 [7],[53],[56]            
Investment, Identifier [Axis]: Planview Parent, Inc., Second lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         9,231 [1],[2],[4]     9,231 [6],[13],[14]            
Cost         9,209 [1],[4]     9,208 [13],[14]            
Investments at fair value         9,196 [1],[4]     9,208 [13],[14]            
Investment, Identifier [Axis]: Power Grid Holdings, Inc., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         22,331 [2],[3],[16]     22,387 [6],[7],[17]            
Cost         22,177 [3],[16]     22,228 [7],[17]            
Investments at fair value         22,331 [3],[16]     22,387 [7],[17]            
Investment, Identifier [Axis]: Power Grid Holdings, Inc., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         4,289 [2],[3],[4],[9]     4,289 [6],[7],[8],[10]            
Cost         (43) [3],[4],[9]     (43) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Project Accelerate Parent, LLC, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         10,493 [2],[3],[27]     10,519 [6],[7],[28]            
Cost         10,446 [3],[27]     10,470 [7],[28]            
Investments at fair value         10,493 [3],[27]     10,519 [7],[28]            
Investment, Identifier [Axis]: Project Accelerate Parent, LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               1,510            
Cost [7],[8],[10]               (8)            
Investments at fair value [7],[8],[10]               $ 0            
Investment, Identifier [Axis]: Project Accelerate Parent, LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         1,510                  
Cost [3],[4],[9]         (8)                  
Investments at fair value [3],[4],[9]         $ 0                  
Investment, Identifier [Axis]: Project Essential Super Parent, Inc., Preferred shares                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         10,000 [2],[3],[4] 10,000 [2],[3],[4] 10,000 [2],[3],[4] 10,000 [6],[7],[8] 10,000 [6],[7],[8] 10,000 [6],[7],[8]        
Cost         $ 16,492 [3],[4]     $ 15,929 [7],[8]            
Investments at fair value         15,548 [3],[4]     14,833 [7],[8]            
Investment, Identifier [Axis]: RLG Holdings, LLC, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,959 [2],[11],[12]     3,970 [6],[13],[14]            
Cost         3,959 [11],[12]     3,970 [13],[14]            
Investments at fair value         3,660 [11],[12]     3,934 [13],[14]            
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC, Trust Claim 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         152 [2],[3],[12]     152 [6],[7],[14]            
Cost         152 [3],[12]     152 [7],[14]            
Investments at fair value         152 [3],[12]     152 [7],[14]            
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC, Trust Claim 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         52 [2],[3],[4]     52 [6],[7],[8]            
Cost         52 [3],[4]     52 [7],[8]            
Investments at fair value         $ 52 [3],[4]     $ 52 [7],[8]            
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC, Warrants 1                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         138,622 [2],[3],[12] 138,622 [2],[3],[12] 138,622 [2],[3],[12] 138,622 [6],[7],[14] 138,622 [6],[7],[14] 138,622 [6],[7],[14]        
Cost         $ 183 [3],[12]     $ 182 [7],[14]            
Investments at fair value         $ 272 [3],[12]     $ 327 [7],[14]            
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC, Warrants 2                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         47,459 [2],[3],[4] 47,459 [2],[3],[4] 47,459 [2],[3],[4] 47,459 [6],[7],[8] 47,459 [6],[7],[8] 47,459 [6],[7],[8]        
Cost         $ 63 [3],[4]     $ 62 [7],[8]            
Investments at fair value         93 [3],[4]     112 [7],[8]            
Investment, Identifier [Axis]: Riskonnect Parent, LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               6,349            
Cost [7],[8],[10]               0            
Investments at fair value [7],[8],[10]               0            
Investment, Identifier [Axis]: Riskonnect Parent, LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         6,349                  
Cost [3],[4],[9]         0                  
Investments at fair value [3],[4],[9]         0                  
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               384            
Cost [7],[8],[10]               (2)            
Investments at fair value [7],[8],[10]               0            
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         128 [2],[3],[4],[9]     128 [6],[7],[8],[10]            
Cost         127 [3],[4],[9]     127 [7],[8],[10]            
Investments at fair value         128 [3],[4],[9]     128 [7],[8],[10]            
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         384                  
Cost [3],[4],[9]         (2)                  
Investments at fair value [3],[4],[9]         0                  
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         7,427 [2],[3],[11],[12]     7,446 [6],[7],[13],[14]            
Cost         7,408 [3],[11],[12]     7,425 [7],[13],[14]            
Investments at fair value         7,427 [3],[11],[12]     7,446 [7],[13],[14]            
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,519 [1],[2],[3],[4]     1,523 [6],[7],[8],[15]            
Cost         1,519 [1],[3],[4]     1,523 [7],[8],[15]            
Investments at fair value         1,519 [1],[3],[4]     1,523 [7],[8],[15]            
Investment, Identifier [Axis]: Sierra Enterprises, LLC                            
Schedule of Investments [Line Items]                            
Principal amount, par value         42,345 [1],[2],[3],[4]     42,450 [6],[7],[8],[15]            
Cost         39,073 [1],[3],[4]     38,840 [7],[8],[15]            
Investments at fair value         $ 42,345 [1],[3],[4]     $ 42,450 [7],[8],[15]            
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation, Ordinary shares 1                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         25,000,000 [2],[3],[12] 25,000,000 [2],[3],[12] 25,000,000 [2],[3],[12] 25,000,000 [6],[7],[14] 25,000,000 [6],[7],[14] 25,000,000 [6],[7],[14]        
Cost         $ 11,501 [3],[12]     $ 11,501 [7],[14]            
Investments at fair value         $ 1,799 [3],[12]     $ 1,799 [7],[14]            
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation, Ordinary shares 2                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         2,786,000 [2],[3],[4] 2,786,000 [2],[3],[4] 2,786,000 [2],[3],[4] 2,786,000 [6],[7],[8] 2,786,000 [6],[7],[8] 2,786,000 [6],[7],[8]        
Cost         $ 1,282 [3],[4]     $ 1,282 [7],[8]            
Investments at fair value         201 [3],[4]     201 [7],[8]            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         235 [1],[2],[3],[4],[9]     324 [6],[7],[8],[10],[15]            
Cost         231 [1],[3],[4],[9]     319 [7],[8],[10],[15]            
Investments at fair value         228 [1],[3],[4],[9]     315 [7],[8],[10],[15]            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         324 [2],[3],[4],[9]     235 [6],[7],[8],[10]            
Cost         (5) [3],[4],[9]     (4) [7],[8],[10]            
Investments at fair value         (9) [3],[4],[9]     (7) [7],[8],[10]            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         10,220 [2],[3],[11],[12]     10,247 [6],[7],[13],[14]            
Cost         10,145 [3],[11],[12]     10,167 [7],[13],[14]            
Investments at fair value         9,927 [3],[11],[12]     9,953 [7],[13],[14]            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         77 [1],[2],[3],[4]     77 [6],[7],[8],[15]            
Cost         75 [1],[3],[4]     76 [7],[8],[15]            
Investments at fair value         $ 75 [1],[3],[4]     $ 75 [7],[8],[15]            
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc., Preferred shares 1                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         7,500 [2],[3],[16] 7,500 [2],[3],[16] 7,500 [2],[3],[16] 7,500 [6],[7],[17] 7,500 [6],[7],[17] 7,500 [6],[7],[17]        
Cost         $ 16,979 [3],[16]     $ 16,363 [7],[17]            
Investments at fair value         $ 16,815 [3],[16]     $ 16,450 [7],[17]            
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc., Preferred shares 2                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         2,586 [1],[2],[3],[4] 2,586 [1],[2],[3],[4] 2,586 [1],[2],[3],[4] 2,586 [6],[7],[8],[15] 2,586 [6],[7],[8],[15] 2,586 [6],[7],[8],[15]        
Cost         $ 5,853 [1],[3],[4]     $ 5,641 [7],[8],[15]            
Investments at fair value         5,797 [1],[3],[4]     5,671 [7],[8],[15]            
Investment, Identifier [Axis]: Syndigo LLC, Second lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         22,500 [2],[3],[16]     22,500 [6],[7],[17]            
Cost         22,402 [3],[16]     22,397 [7],[17]            
Investments at fair value         22,500 [3],[16]     22,500 [7],[17]            
Investment, Identifier [Axis]: Syndigo LLC, Second lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         5,697 [2],[3],[11],[12]     5,697 [6],[7],[13],[14]            
Cost         5,706 [3],[11],[12]     5,706 [7],[13],[14]            
Investments at fair value         5,697 [3],[11],[12]     5,697 [7],[13],[14]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         2,695 [2],[3],[4],[9]     2,695 [6],[7],[8],[10]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         12,475 [2],[3],[12]     12,327 [6],[7],[14]            
Cost         11,951 [3],[12]     11,782 [7],[14]            
Investments at fair value         10,526 [3],[12]     10,402 [7],[14]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         10,043 [1],[2],[3],[4]     9,925 [6],[7],[8]            
Cost         9,941 [1],[3],[4]     9,818 [7],[8]            
Investments at fair value         8,474 [1],[3],[4]     8,374 [7],[8]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien 3                            
Schedule of Investments [Line Items]                            
Principal amount, par value         2,863 [1],[2],[3],[4]     2,843 [6],[7],[8]            
Cost         2,359 [1],[3],[4]     2,317 [7],[8]            
Investments at fair value         2,368 [1],[3],[4]     2,351 [7],[8]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., Subordinated 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         311 [2],[3],[12]     302 [6],[7],[14]            
Cost         311 [3],[12]     302 [7],[14]            
Investments at fair value         311 [3],[12]     302 [7],[14]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., Subordinated 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         300 [2],[3],[4]     291 [6],[7],[8]            
Cost         300 [3],[4]     291 [7],[8]            
Investments at fair value         $ 300 [3],[4]     $ 291 [7],[8]            
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC, Ordinary shares                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         48,899 [2],[3],[4] 48,899 [2],[3],[4] 48,899 [2],[3],[4] 48,899 [6],[7],[8] 48,899 [6],[7],[8] 48,899 [6],[7],[8]        
Cost         $ 68,051 [3],[4]     $ 66,651 [7],[8]            
Investments at fair value         $ 59,136 [3],[4]     $ 59,978 [7],[8]            
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC, Preferred shares                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         3,480 [2],[3],[4] 3,480 [2],[3],[4] 3,480 [2],[3],[4] 3,480 [6],[7],[8] 3,480 [6],[7],[8] 3,480 [6],[7],[8]        
Cost         $ 7,807 [3],[4]     $ 7,525 [7],[8]            
Investments at fair value         7,808 [3],[4]     9,352 [7],[8]            
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value | £ [6],[7],[8],[15],[21]                   £ 19,418        
Cost [7],[8],[15],[21]               19,326            
Investments at fair value [7],[8],[15],[21]               19,321            
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value | £ [1],[2],[3],[4]             £ 19,617              
Cost [1],[3],[4]         19,564                  
Investments at fair value [1],[3],[4]         19,519                  
Investment, Identifier [Axis]: TigerConnect, Inc., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         29,868 [1],[2],[3],[4]     29,868 [6],[7],[13],[14]            
Cost         29,701 [1],[3],[4]     29,689 [7],[13],[14]            
Investments at fair value         29,868 [1],[3],[4]     29,868 [7],[13],[14]            
Investment, Identifier [Axis]: TigerConnect, Inc., First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         2,724 [2],[3],[9],[12]     2,440 [6],[7],[10],[14]            
Cost         2,724 [3],[9],[12]     2,440 [7],[10],[14]            
Investments at fair value         2,724 [3],[9],[12]     2,440 [7],[10],[14]            
Investment, Identifier [Axis]: TigerConnect, Inc., First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,017 [2],[3],[9],[12]     1,301 [6],[7],[10],[14]            
Cost         0 [3],[9],[12]     0 [7],[10],[14]            
Investments at fair value         0 [3],[9],[12]     0 [7],[10],[14]            
Investment, Identifier [Axis]: TigerConnect, Inc., First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         4,267 [2],[3],[4],[9]     4,267 [6],[7],[8],[10]            
Cost         (43) [3],[4],[9]     (43) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         95 [2],[3],[9],[11],[12]     785 [6],[7],[10],[13],[14]            
Cost         0 [3],[9],[11],[12]     0 [7],[10],[13],[14]            
Investments at fair value         0 [3],[9],[11],[12]     0 [7],[10],[13],[14]            
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,501 [2],[3],[4],[9]     1,501 [6],[7],[8],[10]            
Cost         (15) [3],[4],[9]     (15) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         15,382 [2],[3],[11],[12]     15,382 [6],[7],[13],[14]            
Cost         15,308 [3],[11],[12]     15,303 [7],[13],[14]            
Investments at fair value         15,382 [3],[11],[12]     15,382 [7],[13],[14]            
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         4,467 [2],[3],[11],[12]     4,467 [6],[7],[13],[14]            
Cost         4,440 [3],[11],[12]     4,438 [7],[13],[14]            
Investments at fair value         4,467 [3],[11],[12]     4,467 [7],[13],[14]            
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[9],[11],[12]         690                  
Cost [3],[9],[11],[12]         687                  
Investments at fair value [3],[9],[11],[12]         690                  
Investment, Identifier [Axis]: USRP Holdings, Inc., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         893 [2],[3],[4],[9]     893 [6],[7],[8],[10]            
Cost         (9) [3],[4],[9]     (9) [7],[8],[10]            
Investments at fair value         0 [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: USRP Holdings, Inc., First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         6,966 [1],[2],[3],[4]     6,984 [6],[7],[8],[15]            
Cost         6,930 [1],[3],[4]     6,946 [7],[8],[15]            
Investments at fair value         6,966 [1],[3],[4]     6,984 [7],[8],[15]            
Investment, Identifier [Axis]: USRP Holdings, Inc., First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         5,527 [2],[3],[11],[12]     5,541 [6],[7],[13],[14]            
Cost         5,499 [3],[11],[12]     5,512 [7],[13],[14]            
Investments at fair value         $ 5,527 [3],[11],[12]     $ 5,541 [7],[13],[14]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Ordinary shares 1                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         2,096,477 [2],[3],[12] 2,096,477 [2],[3],[12] 2,096,477 [2],[3],[12] 2,096,477 [6] 2,096,477 [6] 2,096,477 [6]        
Cost         $ 1,925 [3],[12]     $ 1,925            
Investments at fair value         $ 0 [3],[12]     $ 0            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Ordinary shares 2                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         9,236,492 [2],[3],[4] 9,236,492 [2],[3],[4] 9,236,492 [2],[3],[4] 1,993,749 [6],[7],[8] 1,993,749 [6],[7],[8] 1,993,749 [6],[7],[8]        
Cost         $ 532 [3],[4]     $ 532 [7],[8]            
Investments at fair value         $ 0 [3],[4]     $ 0 [7],[8]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 1                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         55,705,117 [2],[3],[4] 55,705,117 [2],[3],[4] 55,705,117 [2],[3],[4] 22,803,214 [6],[7],[8] 22,803,214 [6],[7],[8] 22,803,214 [6],[7],[8]        
Cost         $ 52,381 [3],[4]     $ 22,803 [7],[8]            
Investments at fair value         $ 45,347 [3],[4]     $ 20,646 [7],[8]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 2                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         80,994,293 [2],[3],[4] 80,994,293 [2],[3],[4] 80,994,293 [2],[3],[4] 13,553,020 [6],[7],[8] 13,553,020 [6],[7],[8] 13,553,020 [6],[7],[8]        
Cost         $ 29,318 [3],[4]     $ 13,553 [7],[8]            
Investments at fair value         $ 21,388 [3],[4]     $ 12,682 [7],[8]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 3                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         29,326,545 [2],[3],[12] 29,326,545 [2],[3],[12] 29,326,545 [2],[3],[12] 19,795,435 [6],[7],[8],[49] 19,795,435 [6],[7],[8],[49] 19,795,435 [6],[7],[8],[49]        
Cost         $ 26,946 [3],[12]     $ 19,795 [7],[8],[49]            
Investments at fair value         $ 0 [3],[12]     $ 3,080 [7],[8],[49]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 4                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares         141,354,439 [2],[3],[4] 141,354,439 [2],[3],[4] 141,354,439 [2],[3],[4] 29,326,545 [6],[14],[49] 29,326,545 [6],[14],[49] 29,326,545 [6],[14],[49]        
Cost         $ 7,447 [3],[4]     $ 26,946 [14],[49]            
Investments at fair value         0 [3],[4]     $ 0 [14],[49]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 5                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares [6],[7],[8],[49]               8,104,462 8,104,462 8,104,462        
Cost [7],[8],[49]               $ 7,447            
Investments at fair value [7],[8],[49]               0            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Second lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8]               15,608            
Cost [7],[8]               15,608            
Investments at fair value [7],[8]               15,459            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Second lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8]               6,919            
Cost [7],[8]               6,919            
Investments at fair value [7],[8]               $ 6,853            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Warrants                            
Schedule of Investments [Line Items]                            
Principal amount, shares (in shares) | shares [6],[7],[8]               13,339 13,339 13,339        
Cost [7],[8]               $ 0            
Investments at fair value [7],[8]               48,804            
Investment, Identifier [Axis]: Viper Bidco,Inc., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         15,503                  
Investment, Identifier [Axis]: Viper Bidco. Inc., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         12,000 [1],[2],[3],[4],[44]     12,030 [6],[7],[8],[15],[45]            
Cost         15,142 [1],[3],[4],[44]     15,181 [7],[8],[15],[45]            
Investments at fair value         15,425 [1],[3],[4],[44]     14,981 [7],[8],[15],[45]            
Investment, Identifier [Axis]: Viper Bidco. Inc., First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         4,150 [2],[3],[4],[9]     4,150 [6],[7],[8],[10]            
Cost         0 [3],[4],[9]     0 [7],[8],[10]            
Investments at fair value         (21) [3],[4],[9]     0 [7],[8],[10]            
Investment, Identifier [Axis]: Viper Bidco. Inc., First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,320 [2],[3],[4],[9]     3,320 [6],[7],[8],[10]            
Cost         (17) [3],[4],[9]     (17) [7],[8],[10]            
Investments at fair value         (17) [3],[4],[9]     (17) [7],[8],[10]            
Investment, Identifier [Axis]: Viper Bidco. Inc., First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value               15,057            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [6],[7],[8],[10]               2,040            
Cost [7],[8],[10]               (6)            
Investments at fair value [7],[8],[10]               0            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         15,553 [2],[3],[11],[12]     15,593 [6],[7],[13],[14]            
Cost         15,527 [3],[11],[12]     15,565 [7],[13],[14]            
Investments at fair value         15,553 [3],[11],[12]     15,593 [7],[13],[14]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         11,878 [1],[2],[3],[4]     11,908 [6],[7],[8],[15]            
Cost         11,858 [1],[3],[4]     11,887 [7],[8],[15]            
Investments at fair value         11,878 [1],[3],[4]     11,908 [7],[8],[15]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 3                            
Schedule of Investments [Line Items]                            
Principal amount, par value         6,642 [2],[3],[11],[12]     6,659 [6],[7],[13],[14]            
Cost         6,627 [3],[11],[12]     6,644 [7],[13],[14]            
Investments at fair value         6,642 [3],[11],[12]     6,659 [7],[13],[14]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 4                            
Schedule of Investments [Line Items]                            
Principal amount, par value         1,225 [1],[2],[3],[4]     1,228 [6],[7],[8],[15]            
Cost         1,219 [1],[3],[4]     1,221 [7],[8],[15]            
Investments at fair value         1,225 [1],[3],[4]     1,228 [7],[8],[15]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 5                            
Schedule of Investments [Line Items]                            
Principal amount, par value         822 [1],[2],[3],[4]     824 [6],[7],[8],[15]            
Cost         817 [1],[3],[4]     819 [7],[8],[15]            
Investments at fair value         822 [1],[3],[4]     824 [7],[8],[15]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, LLC, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[3],[4],[9]         2,040                  
Cost [3],[4],[9]         (6)                  
Investments at fair value [3],[4],[9]         0                  
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, Subordinated                            
Schedule of Investments [Line Items]                            
Principal amount, par value         4,235 [2],[3],[4]     4,231 [6],[7],[8]            
Cost         4,190 [3],[4]     4,185 [7],[8]            
Investments at fair value         4,235 [3],[4]     4,231 [7],[8]            
Investment, Identifier [Axis]: Xactly Corporation, First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         22,500 [2],[3],[16]     22,500 [6],[7],[17]            
Cost         22,484 [3],[16]     22,483 [7],[17]            
Investments at fair value         22,286 [3],[16]     22,250 [7],[17]            
Investment, Identifier [Axis]: Xactly Corporation, First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         992 [2],[3],[4],[9]     992 [6],[7],[8],[10]            
Cost         (10) [3],[4],[9]     (10) [7],[8],[10]            
Investments at fair value         (9) [3],[4],[9]     (11) [7],[8],[10]            
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value         21,825 [2],[3],[27]     21,825 [6],[7],[28]            
Cost         21,799 [3],[27]     21,798 [7],[28]            
Investments at fair value         21,825 [3],[27]     21,825 [7],[28]            
Investment, Identifier [Axis]: e Research Technology, Inc., First lien - Undrawn 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[4],[9]         1,889                  
Cost [4],[9]         (9)                  
Investments at fair value [4],[9]         (9)                  
Investment, Identifier [Axis]: e Research Technology, Inc., First lien - Undrawn 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[4],[9]         2,040                  
Cost [4],[9]         0                  
Investments at fair value [4],[9]         (11)                  
Investment, Identifier [Axis]: e Research Technology, Inc., First lien - Undrawn 3                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[4],[9]         1,074                  
Cost [4],[9]         (11)                  
Investments at fair value [4],[9]         (11)                  
Investment, Identifier [Axis]: eResearchTechnology, Inc., First lien                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[4]         11,380                  
Cost [4]         11,266                  
Investments at fair value [4]         11,266                  
Investment, Identifier [Axis]: eResearchTechnology, Inc., First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value [2],[4],[9]         107                  
Cost [4],[9]         96                  
Investments at fair value [4],[9]         107                  
Investment, Identifier [Axis]: iCIMS, Inc., First lien - Drawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         388 [2],[3],[4],[9]     706 [6],[7],[8],[10]            
Cost         390 [3],[4],[9]     705 [7],[8],[10]            
Investments at fair value         383 [3],[4],[9]     701 [7],[8],[10]            
Investment, Identifier [Axis]: iCIMS, Inc., First lien - Undrawn                            
Schedule of Investments [Line Items]                            
Principal amount, par value         3,142 [2],[3],[4],[9]     2,824 [6],[7],[8],[10]            
Cost         (27) [3],[4],[9]     (25) [7],[8],[10]            
Investments at fair value         (41) [3],[4],[9]     (21) [7],[8],[10]            
Investment, Identifier [Axis]: iCIMS, Inc., First lien 1                            
Schedule of Investments [Line Items]                            
Principal amount, par value         44,742 [2],[3],[11],[12]     44,742 [6],[7],[13],[14]            
Cost         44,549 [3],[11],[12]     44,537 [7],[13],[14]            
Investments at fair value         44,151 [3],[11],[12]     44,406 [7],[13],[14]            
Investment, Identifier [Axis]: iCIMS, Inc., First lien 2                            
Schedule of Investments [Line Items]                            
Principal amount, par value         7,366 [2],[3],[11],[12]     7,366 [6],[7],[13],[14]            
Cost         7,323 [3],[11],[12]     7,321 [7],[13],[14]            
Investments at fair value         $ 7,269 [3],[11],[12]     $ 7,311 [7],[13],[14]            
[1] 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
[2] Par amount is denominated in United States Dollar unless otherwise noted, which may include British Pound ("£") and/or Euro ("€").
[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] 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 March 31, 2025, 14.2% of the Company’s total assets are represented by investments at fair value that are considered non-qualifying assets.
[6] Par amount is denominated in United States Dollar unless otherwise noted, which may include British Pound ("£") and/or Euro ("€").
[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 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.
[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] 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.
[12] Investment is held by New Mountain Finance Holdings, L.L.C.
[13] Investment is pledged as collateral for the Holdings Credit Facility, a revolving credit facility among the Company, as the Collateral Manager, New Mountain Finance Holdings, L.L.C. as the Borrower, Wells Fargo Securities, LLC, as the Administrative Agent, and Wells Fargo Bank, National Association, as the Lender and Collateral Custodian.. See Note 7. Borrowings, for details.
[14] Investment is held by New Mountain Finance Holdings, L.L.C.
[15] Investment is 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
[16] Investment is held by New Mountain Finance SBIC, L.P.
[17] Investment is held by New Mountain Finance SBIC, L.P.
[18] 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.
[19] Total Coupon is payable in cash unless otherwise indicated. A majority of the variable rate debt investments bear interest and dividends at a rate that may be determined by reference to the Secured Overnight Financing Rate (SOFR), the Prime Rate (P), the Sterling Overnight Interbank Average Rate (SONIA) and Euro Interbank Offered Rate (EURIBOR) and which resets daily (D), monthly (M), quarterly (Q), semi-annually (S) or annually (A). For each investment the current coupon rate provided reflects the rate in effect as of December 31, 2024.
[20] 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.
[21] Indicates assets that the Company deems to be “non-qualifying assets” under Section 55(a) of the 1940 Act. Qualifying assets must represent at least 70.0% of the Company’s total assets at the time of acquisition of any additional non-qualifying assets. As of December 31, 2024, 14.6% of the Company’s total assets are represented by investments at fair value that are considered non-qualifying assets.
[22] 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.
[23] Investment is on non-accrual status. See Note 3. Investments, for details.
[24] Investment is held by NMF Ancora Holdings, Inc.
[25] Investment is held by NMF Ancora Holdings, Inc.
[26] The Company holds preferred equity in Bamboo Health Intermediate Holdings, Inc.(fka Appriss Health Intermediate Holdings, Inc.) and holds a first lien term loan and a first lien revolver in Bamboo Health Holdings, LLC (fka Appriss Health, LLC), a wholly-owned subsidiary of Bamboo Health Intermediate Holdings, Inc.
[27] Investment is held by New Mountain Finance SBIC II, L.P.
[28] Investment is held by New Mountain Finance SBIC II, L.P.
[29] The Company holds investments in two wholly-owned subsidiaries of Diamond Parent Holdings Corp. The Company holds two first lien term loans, a first lien delayed draw and a first lien revolver in Diligent Corporation and preferred equity in Diligent Preferred Issuer Inc.
[30] The Company holds 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.
[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.
[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.
[33] The Company holds ordinary shares and preferred equity in TVG-Edmentum Holdings, LLC, and subordinated notes in Edmentum Ultimate Holdings, LLC, a wholly-owned subsidiary of TVG-Edmentum Holdings, LLC.
[34] The Company holds ordinary shares in FS WhiteWater Holdings, LLC, and a first lien term loan, a first lien revolver, and three first lien delayed draws in FS WhiteWater Borrower, LLC, a partially-owned subsidiary of FS WhiteWater Holdings, LLC.
[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 a 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. .
[37] Investment is held by NMF HB, Inc.
[38] Investment is held by NMF HB, Inc.
[39] The Company holds preferred equity in Knockout Intermediate Holdings I Inc. and a first lien term loan, a first lien revolver and two first lien delayed draws in Kaseya, Inc., a wholly-owned subsidiary of Knockout Intermediate Holdings I Inc.
[40] The Company holds ordinary shares and warrants in NHME Holdings Corp., as well as a second lien Tranche A Term Loan in National HME, Inc., a wholly-owned subsidiary of NHME Holdings Corp. The second lien Tranche A Term Loan is entitled to receive 20% of the interest earned on the first lien Tranche A Term Loan, which accrues interest at a rate of SOFR + 5.00%, and 20% of the interest earned on the first lien Tranche B Term Loan, which accrues interest at a rate of SOFR + 6.00%.
[41] 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%.
[42] Investment is held by New Mountain Net Lease Corporation.
[43] Investment is held by New Mountain Net Lease Corporation.
[44] Investment is denominated in foreign currency and is translated into U.S. dollars as of the valuation date. As of March 31, 2025, the par value U.S. dollar equivalent of the Viper Bidco, Inc. first lien term loans is $15,503 and the Nelipak Holding Company first lien term loan, undrawn delayed draw term loan, undrawn revolver and drawn revolver is $17,830, $6,935, $1,068 and $226, respectively. See Note 2. Summary of Significant Accounting Policies, for details
[45] Investment is denominated in foreign currency and is translated into U.S. dollars as of the valuation date. As of December 31, 2024, the par value U.S. dollar equivalent of the Viper Bidco, Inc. first lien term loans is $15,057 and the Nelipak Holding Company first lien term loan, drawn revolver, undrawn delayed draw term loan and undrawn revolver is $17,109, $406 $6,638 and $833, respectively. See Note 2. Summary of Significant Accounting Policies, for details.
[46] The Company holds ordinary shares in OA Topco, L.P., and three first lien term loans and a first lien revolver in OA Buyer, Inc., a wholly-owned subsidiary of OA Topco, L.P.
[47] The Company holds ordinary shares in OA Topco, L.P., and three first lien term loans and a first lien revolver in OA Buyer, Inc., a wholly-owned subsidiary of OA Topco, L.P.
[48] The Company holds one security purchased under a collateralized agreement to resell on its Consolidated Statement of Assets and Liabilities with a cost basis of $30,000 and a fair value of $13,500 as of March 31, 2025. See Note 2. Summary of Significant Accounting Policies, for details.
[49] Investment is on non-accrual status. See Note 3. Investments, for details.
[50] The Company holds one security purchased under a collateralized agreement to resell on its Consolidated Statement of Assets and Liabilities with a cost basis of $30,000 and a fair value of $13,500 as of December 31, 2024. See Note 2. Summary of Significant Accounting Policies, for details.
[51] Investment is held by NMF Permian Holdings, LLC.
[52] Investment is held by NMF Permian Holdings, LLC.
[53] The Company holds ordinary shares in Pioneer Topco I, L.P., and two first lien term loans and a first lien revolver in Pioneer Buyer I, LLC, a wholly-owned subsidiary of Pioneer Topco I, L.P.
[54] The Company holds ordinary shares in Pioneer Topco I, L.P., and two first lien term loans and a first lien revolver in Pioneer Buyer I, LLC, a wholly-owned subsidiary of Pioneer Topco I, L.P.
[55] Investment is held by NMF Pioneer, Inc.
[56] Investment is held by NMF Pioneer, Inc.