v3.26.3
INVESTMENTS - Sierra Senior Loan Strategy JV I LLC (Details)
$ in Thousands
 3 Months Ended 9 Months Ended
Feb. 25, 2022
member
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Schedule of Investments [Line Items]              
Number of members | member 2            
Total dividend income   $ 11,372 $ 14,177 $ 37,298 $ 39,512    
Fair value   2,509,771   2,509,771   $ 2,398,524  
Cost   2,552,012   2,552,012   2,424,280  
Investment, Identifier [Axis]: A.T. Holdings II LTD | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   9,375 [1],[2],[3]   9,375 [1],[2],[3]   7,546 [4],[5],[6]  
Cost   11,875 [1],[2],[3]   11,875 [1],[2],[3]   11,875 [4],[5],[6]  
Investment, Identifier [Axis]: AD Bidco, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[7],[8],[9]           13,120  
Cost [6],[7],[8],[9]           12,866  
Investment, Identifier [Axis]: AD Bidco, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value [6],[7],[8],[9]           0  
Cost [6],[7],[8],[9]           (23)  
Investment, Identifier [Axis]: AFT Fastener Holdings, LLC | Class A1 Preferred Units              
Schedule of Investments [Line Items]              
Fair value [3],[10]   352   352      
Cost [3],[10]   352   352      
Investment, Identifier [Axis]: AFT Fastener Holdings, LLC | Class B Common Units              
Schedule of Investments [Line Items]              
Fair value [3],[10]   0   0      
Cost [3],[10]   0   0      
Investment, Identifier [Axis]: AFT Fastener Holdings, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   10,470   10,470      
Cost [3],[11],[12],[13]   10,475   10,475      
Investment, Identifier [Axis]: AFT Fastener Holdings, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   (18)   (18)      
Cost [3],[11],[12],[13]   (18)   (18)      
Investment, Identifier [Axis]: AIT Worldwide Logistics Holdings, Inc. | Partnership Units              
Schedule of Investments [Line Items]              
Fair value [6],[14]           785  
Cost [6],[14]           349  
Investment, Identifier [Axis]: AMMC CLO 22, Limited Series 2018-22A | Subordinated Structured Notes              
Schedule of Investments [Line Items]              
Fair value [5],[6],[14],[15]           0  
Cost [5],[6],[14],[15]           381  
Investment, Identifier [Axis]: AMP Purchaser, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12]   5,708   5,708      
Cost [3],[11],[12]   5,705   5,705      
Investment, Identifier [Axis]: AMP Purchaser, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   (3)   (3)      
Cost [3],[11],[12],[13]   (4)   (4)      
Investment, Identifier [Axis]: APC1 Holding | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,612 [2],[3],[12],[16]   2,612 [2],[3],[12],[16]   2,701 [5],[6],[9],[17]  
Cost   2,346 [2],[3],[12],[16]   2,346 [2],[3],[12],[16]   2,336 [5],[6],[9],[17]  
Investment, Identifier [Axis]: ARC Interco Purchaser, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   6,949 [3],[11],[12],[13]   6,949 [3],[11],[12],[13]   2,974 [6],[7],[8],[9]  
Cost   6,960 [3],[11],[12],[13]   6,960 [3],[11],[12],[13]   2,974 [6],[7],[8],[9]  
Investment, Identifier [Axis]: ARC Interco Purchaser, LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   345 [3],[10]   345 [3],[10]   122 [6],[14]  
Cost   345 [3],[10]   345 [3],[10]   122 [6],[14]  
Investment, Identifier [Axis]: ARC Interco Purchaser, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   (16) [3],[11],[12],[13]   (16) [3],[11],[12],[13]   (7) [6],[7],[8],[9]  
Cost   (13) [3],[11],[12],[13]   (13) [3],[11],[12],[13]   (7) [6],[7],[8],[9]  
Investment, Identifier [Axis]: ASC Communications, LLC | Class A Units              
Schedule of Investments [Line Items]              
Fair value   1,068 [3]   1,068 [3]   880 [6]  
Cost   539 [3]   539 [3]   539 [6]  
Investment, Identifier [Axis]: ASC Communications, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,401 [3],[12],[18]   4,401 [3],[12],[18]   5,171 [6],[9],[19]  
Cost   4,397 [3],[12],[18]   4,397 [3],[12],[18]   5,176 [6],[9],[19]  
Investment, Identifier [Axis]: ASC Communications, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   (2) [3],[12],[13],[18]   (2) [3],[12],[13],[18]   (7) [6],[7],[9],[19]  
Cost   (3) [3],[12],[13],[18]   (3) [3],[12],[13],[18]   (5) [6],[7],[9],[19]  
Investment, Identifier [Axis]: ATL II MRO Holdings Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   18,812 [3],[11],[12]   18,812 [3],[11],[12]   18,939 [6],[8],[9]  
Cost   18,776 [3],[11],[12]   18,776 [3],[11],[12]   18,868 [6],[8],[9]  
Investment, Identifier [Axis]: ATL II MRO Holdings Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   (28) [3],[11],[12],[13]   (28) [3],[11],[12],[13]   (31) [6],[7],[8],[9]  
Cost   (28) [3],[11],[12],[13]   (28) [3],[11],[12],[13]   (37) [6],[7],[8],[9]  
Investment, Identifier [Axis]: AWP Group Holdings, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[12],[18]   8,510   8,510      
Cost [3],[12],[18]   8,504   8,504      
Investment, Identifier [Axis]: AWP Group Holdings, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[12],[13],[18]   434   434      
Cost [3],[12],[13],[18]   433   433      
Investment, Identifier [Axis]: Accelerant Holdings | Common Stock              
Schedule of Investments [Line Items]              
Fair value   5,509 [10]   5,509 [10]   4,110 [14]  
Cost   3,341 [10]   3,341 [10]   3,341 [14]  
Investment, Identifier [Axis]: Accelevation LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[7],[9],[19]           1,221  
Cost [6],[7],[9],[19]           1,201  
Investment, Identifier [Axis]: Accelevation LLC | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [3],[12],[18]   4,949   4,949      
Cost [3],[12],[18]   4,878   4,878      
Investment, Identifier [Axis]: Accelevation LLC | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [3],[12],[13],[18]   1,430   1,430      
Cost [3],[12],[13],[18]   1,414   1,414      
Investment, Identifier [Axis]: Accelevation LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   0 [3],[12],[13],[18]   0 [3],[12],[13],[18]   159 [6],[7],[9],[19]  
Cost   (9) [3],[12],[13],[18]   (9) [3],[12],[13],[18]   147 [6],[7],[9],[19]  
Investment, Identifier [Axis]: Acclime Holdings HK Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [5],[6],[8],[9]           7,266  
Cost [5],[6],[8],[9]           7,169  
Investment, Identifier [Axis]: Acclime Holdings HK Limited | Subordinated Term Loan              
Schedule of Investments [Line Items]              
Fair value [5],[6]           234  
Cost [5],[6]           230  
Investment, Identifier [Axis]: Accurus Aerospace Corporation | Common Stock              
Schedule of Investments [Line Items]              
Fair value   394 [3],[10]   394 [3],[10]   149 [6],[14]  
Cost   438 [3],[10]   438 [3],[10]   438 [6],[14]  
Investment, Identifier [Axis]: Accurus Aerospace Corporation | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[8],[9]           12,951  
Cost [6],[8],[9]           12,969  
Investment, Identifier [Axis]: Accurus Aerospace Corporation | LLC Units              
Schedule of Investments [Line Items]              
Fair value   16 [3],[10]   16 [3],[10]   6 [6],[14]  
Cost   18 [3],[10]   18 [3],[10]   18 [6],[14]  
Investment, Identifier [Axis]: Accurus Aerospace Corporation | Revolver              
Schedule of Investments [Line Items]              
Fair value [6],[7],[8],[9]           270  
Cost [6],[7],[8],[9]           275  
Investment, Identifier [Axis]: Acogroup | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,317 [2],[3],[12],[16],[20]   1,317 [2],[3],[12],[16],[20]   3,349 [5],[6],[9],[17],[21]  
Cost   8,051 [2],[3],[12],[16],[20]   8,051 [2],[3],[12],[16],[20]   8,051 [5],[6],[9],[17],[21]  
Investment, Identifier [Axis]: Adhefin International | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,287 [2],[3],[12],[13],[16]   2,287 [2],[3],[12],[13],[16]   2,311 [5],[6],[7],[9],[17]  
Cost   2,209 [2],[3],[12],[13],[16]   2,209 [2],[3],[12],[13],[16]   2,202 [5],[6],[7],[9],[17]  
Investment, Identifier [Axis]: Advantage Software Company (The), LLC | Class A1 Partnership Units              
Schedule of Investments [Line Items]              
Fair value   219 [3],[10]   219 [3],[10]   379 [6],[14]  
Cost   280 [3],[10]   280 [3],[10]   280 [6],[14]  
Investment, Identifier [Axis]: Advantage Software Company (The), LLC | Class A2 Partnership Units              
Schedule of Investments [Line Items]              
Fair value   57 [3],[10]   57 [3],[10]   98 [6],[14]  
Cost   72 [3],[10]   72 [3],[10]   72 [6],[14]  
Investment, Identifier [Axis]: Advantage Software Company (The), LLC | Class B1 Partnership Units              
Schedule of Investments [Line Items]              
Fair value   0 [3],[10]   0 [3],[10]   0 [6],[14]  
Cost   9 [3],[10]   9 [3],[10]   9 [6],[14]  
Investment, Identifier [Axis]: Advantage Software Company (The), LLC | Class B2 Partnership Units              
Schedule of Investments [Line Items]              
Fair value   0 [3],[10]   0 [3],[10]   0 [6],[14]  
Cost   2 [3],[10]   2 [3],[10]   2 [6],[14]  
Investment, Identifier [Axis]: Aegros Holdco 2 Ltd | Common Stock              
Schedule of Investments [Line Items]              
Fair value   685 [2],[3],[10]   685 [2],[3],[10]   610 [5],[6],[14]  
Cost   12 [2],[3],[10]   12 [2],[3],[10]   12 [5],[6],[14]  
Investment, Identifier [Axis]: Aegros Holdco 2 Ltd | Second Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   5,154 [2],[3],[12],[22]   5,154 [2],[3],[12],[22]   5,310 [5],[6]  
Cost   5,576 [2],[3],[12],[22]   5,576 [2],[3],[12],[22]   5,984 [5],[6]  
Investment, Identifier [Axis]: AirX Climate Solutions, Inc. | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   3,991 [3],[11],[12],[13]   3,991 [3],[11],[12],[13]   3,222 [6],[8],[9]  
Cost   4,027 [3],[11],[12],[13]   4,027 [3],[11],[12],[13]   3,234 [6],[8],[9]  
Investment, Identifier [Axis]: AirX Climate Solutions, Inc. | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   3,256 [3],[11],[12]   3,256 [3],[11],[12]   3,249 [6],[7],[8],[9]  
Cost   3,207 [3],[11],[12]   3,207 [3],[11],[12]   3,187 [6],[7],[8],[9]  
Investment, Identifier [Axis]: AirX Climate Solutions, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   0 [3],[11],[12],[13]   0 [3],[11],[12],[13]   0 [6],[7],[8],[9]  
Cost   (10) [3],[11],[12],[13]   (10) [3],[11],[12],[13]   (12) [6],[7],[8],[9]  
Investment, Identifier [Axis]: AlliA Insurance Brokers NV | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   5,329 [2],[3],[12],[23]   5,329 [2],[3],[12],[23]   5,510 [5],[6],[9],[24]  
Cost   4,954 [2],[3],[12],[23]   4,954 [2],[3],[12],[23]   4,938 [5],[6],[9],[24]  
Investment, Identifier [Axis]: Alpha Holdings LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   2,595   2,595      
Cost [3],[11],[12],[13]   2,596   2,596      
Investment, Identifier [Axis]: Alpha Holdings LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value [3],[10]   403   403      
Cost [3],[10]   403   403      
Investment, Identifier [Axis]: Alpha Holdings LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   (13)   (13)      
Cost [3],[11],[12],[13]   (13)   (13)      
Investment, Identifier [Axis]: Amalfi Midco | Class B Common Stock              
Schedule of Investments [Line Items]              
Fair value   2,628 [2],[3],[10]   2,628 [2],[3],[10]   2,661 [5],[6],[14]  
Cost   1,115 [2],[3],[10]   1,115 [2],[3],[10]   1,115 [5],[6],[14]  
Investment, Identifier [Axis]: Amalfi Midco | Second Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   399 [2],[3]   399 [2],[3]   361 [5],[6]  
Cost   378 [2],[3]   378 [2],[3]   350 [5],[6]  
Investment, Identifier [Axis]: Amalfi Midco | Subordinated Loan Notes              
Schedule of Investments [Line Items]              
Fair value   4,038 [2],[3]   4,038 [2],[3]   6,575 [5],[6]  
Cost   3,718 [2],[3]   3,718 [2],[3]   5,991 [5],[6]  
Investment, Identifier [Axis]: Amalfi Midco | Warrants              
Schedule of Investments [Line Items]              
Fair value   1,349 [2],[3],[10]   1,349 [2],[3],[10]   1,167 [5],[6],[14]  
Cost   4 [2],[3],[10]   4 [2],[3],[10]   4 [5],[6],[14]  
Investment, Identifier [Axis]: Americo Chemical Products, LLC | Common Stock              
Schedule of Investments [Line Items]              
Fair value   101 [3],[10]   101 [3],[10]   108 [6],[14]  
Cost   88 [3],[10]   88 [3],[10]   88 [6],[14]  
Investment, Identifier [Axis]: Americo Chemical Products, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,772 [3],[12],[18]   4,772 [3],[12],[18]   4,875 [6],[9],[19]  
Cost   4,764 [3],[12],[18]   4,764 [3],[12],[18]   4,872 [6],[9],[19]  
Investment, Identifier [Axis]: Americo Chemical Products, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   (4) [3],[12],[13],[18]   (4) [3],[12],[13],[18]   (6) [6],[7],[9],[19]  
Cost   (5) [3],[12],[13],[18]   (5) [3],[12],[13],[18]   (7) [6],[7],[9],[19]  
Investment, Identifier [Axis]: AnalytiChem Holding GmbH | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   6,038 [2],[3],[12],[23]   6,038 [2],[3],[12],[23]   6,225 [5],[6],[9],[17]  
Cost   5,774 [2],[3],[12],[23]   5,774 [2],[3],[12],[23]   5,754 [5],[6],[9],[17]  
Investment, Identifier [Axis]: AnalytiChem Holding GmbH | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   1,015 [2],[3],[12],[25]   1,015 [2],[3],[12],[25]   1,012 [5],[6],[8],[9]  
Cost   1,019 [2],[3],[12],[25]   1,019 [2],[3],[12],[25]   1,019 [5],[6],[8],[9]  
Investment, Identifier [Axis]: Apex Bidco Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   3,393 [2],[3],[12],[22]   3,393 [2],[3],[12],[22]   3,403 [5],[6],[9],[26]  
Cost   3,246 [2],[3],[12],[22]   3,246 [2],[3],[12],[22]   3,228 [5],[6],[9],[26]  
Investment, Identifier [Axis]: Apex Bidco Limited | Subordinated Senior Unsecured Term Loan              
Schedule of Investments [Line Items]              
Fair value   420 [2],[3]   420 [2],[3]   371 [5],[6]  
Cost   412 [2],[3]   412 [2],[3]   374 [5],[6]  
Investment, Identifier [Axis]: Apidos CLO XXIV, Series 2016-24A | Subordinated Structured Notes              
Schedule of Investments [Line Items]              
Fair value [5],[15]           2,755  
Cost [5],[15]           3,464  
Investment, Identifier [Axis]: Application Boot Camp LLC | Common Stock              
Schedule of Investments [Line Items]              
Fair value   319 [3]   319 [3]   279 [6]  
Cost   235 [3]   235 [3]   235 [6]  
Investment, Identifier [Axis]: Application Boot Camp LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,217 [3],[11],[12]   1,217 [3],[11],[12]   1,201 [6],[8],[9]  
Cost   1,201 [3],[11],[12]   1,201 [3],[11],[12]   1,199 [6],[8],[9]  
Investment, Identifier [Axis]: Application Boot Camp LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   0 [3],[11],[12],[13]   0 [3],[11],[12],[13]   (6) [6],[7],[8],[9]  
Cost   (4) [3],[11],[12],[13]   (4) [3],[11],[12],[13]   (5) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Application Boot Camp LLC | Subordinated Term Loan              
Schedule of Investments [Line Items]              
Fair value   83 [3]   83 [3]   82 [6]  
Cost   82 [3]   82 [3]   82 [6]  
Investment, Identifier [Axis]: Aptus 1829. GmbH | Common Stock              
Schedule of Investments [Line Items]              
Fair value   0 [2],[3],[10]   0 [2],[3],[10]   0 [5],[6],[14]  
Cost   12 [2],[3],[10]   12 [2],[3],[10]   12 [5],[6],[14]  
Investment, Identifier [Axis]: Aptus 1829. GmbH | Preferred Stock              
Schedule of Investments [Line Items]              
Fair value   87 [2],[3],[10]   87 [2],[3],[10]   68 [5],[6],[14]  
Cost   120 [2],[3],[10]   120 [2],[3],[10]   120 [5],[6],[14]  
Investment, Identifier [Axis]: Apus Bidco Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [5],[6],[9],[27]           3,875  
Cost [5],[6],[9],[27]           3,928  
Investment, Identifier [Axis]: Arc Education | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   957 [2],[3],[12],[13],[23]   957 [2],[3],[12],[13],[23]   962 [5],[6],[7],[9],[24]  
Cost   926 [2],[3],[12],[13],[23]   926 [2],[3],[12],[13],[23]   892 [5],[6],[7],[9],[24]  
Investment, Identifier [Axis]: Arch Global Precision LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   8,341 [3],[11],[12]   8,341 [3],[11],[12]   8,376 [6],[8],[9]  
Cost   8,836 [3],[11],[12]   8,836 [3],[11],[12]   8,873 [6],[8],[9]  
Investment, Identifier [Axis]: Archimede | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   5,683 [2],[3],[12],[16]   5,683 [2],[3],[12],[16]   6,354 [5],[6],[9],[17]  
Cost   6,202 [2],[3],[12],[16]   6,202 [2],[3],[12],[16]   6,524 [5],[6],[9],[17]  
Investment, Identifier [Axis]: Argus Bidco Limited | Class B Common Stock              
Schedule of Investments [Line Items]              
Fair value [2],[3],[10]   5   5      
Cost [2],[3],[10]   5   5      
Investment, Identifier [Axis]: Argus Bidco Limited | Common Stock              
Schedule of Investments [Line Items]              
Fair value   0 [2],[3],[10]   0 [2],[3],[10]   0 [5],[6],[14]  
Cost   1 [2],[3],[10]   1 [2],[3],[10]   1 [5],[6],[14]  
Investment, Identifier [Axis]: Argus Bidco Limited | Equity Loan Notes              
Schedule of Investments [Line Items]              
Fair value   20 [2],[3]   20 [2],[3]   27 [5],[6]  
Cost   70 [2],[3]   70 [2],[3]   70 [5],[6]  
Investment, Identifier [Axis]: Argus Bidco Limited | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   1,449 [2],[3],[12],[22]   1,449 [2],[3],[12],[22]   1,752 [5],[6],[9],[27]  
Cost   1,353 [2],[3],[12],[22]   1,353 [2],[3],[12],[22]   1,666 [5],[6],[9],[27]  
Investment, Identifier [Axis]: Argus Bidco Limited | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   2,045 [2],[3],[12],[23]   2,045 [2],[3],[12],[23]   2,042 [5],[6],[9],[24]  
Cost   1,945 [2],[3],[12],[23]   1,945 [2],[3],[12],[23]   1,944 [5],[6],[9],[24]  
Investment, Identifier [Axis]: Argus Bidco Limited | First Lien Senior Secured Term Loan 3              
Schedule of Investments [Line Items]              
Fair value   132 [2],[3],[12],[25]   132 [2],[3],[12],[25]   127 [5],[6],[9],[28]  
Cost   137 [2],[3],[12],[25]   137 [2],[3],[12],[25]   136 [5],[6],[9],[28]  
Investment, Identifier [Axis]: Argus Bidco Limited | Ordinary Shares              
Schedule of Investments [Line Items]              
Fair value [2],[3],[10]   0   0      
Cost [2],[3],[10]   0   0      
Investment, Identifier [Axis]: Argus Bidco Limited | Preferred Stock              
Schedule of Investments [Line Items]              
Fair value   20 [2],[3]   20 [2],[3]   28 [5],[6]  
Cost   70 [2],[3]   70 [2],[3]   70 [5],[6]  
Investment, Identifier [Axis]: Argus Bidco Limited | Second Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   747 [2],[3]   747 [2],[3]   974 [5],[6]  
Cost   705 [2],[3]   705 [2],[3]   934 [5],[6]  
Investment, Identifier [Axis]: Argus Bidco Limited | Subordinated Loan              
Schedule of Investments [Line Items]              
Fair value [2],[3]   15   15      
Cost [2],[3]   15   15      
Investment, Identifier [Axis]: Argus Intermediate, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   3,797 [3],[11],[12],[13]   3,797 [3],[11],[12],[13]   3,732 [6],[7],[8],[9]  
Cost   3,723 [3],[11],[12],[13]   3,723 [3],[11],[12],[13]   3,733 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Argus Intermediate, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   157 [3],[11],[12],[13]   157 [3],[11],[12],[13]   616 [6],[7],[8],[9]  
Cost   146 [3],[11],[12],[13]   146 [3],[11],[12],[13]   616 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Armstrong Transport Group (Pele Buyer, LLC) | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[9],[28]           6,407  
Cost [6],[9],[28]           6,485  
Investment, Identifier [Axis]: Armstrong Transport Group (Pele Buyer, LLC) | Revolver              
Schedule of Investments [Line Items]              
Fair value [6],[7],[9],[28]           (3)  
Cost [6],[7],[9],[28]           3  
Investment, Identifier [Axis]: Armstrong Transport Group, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   7,119   7,119      
Cost [3],[11],[12],[13]   7,111   7,111      
Investment, Identifier [Axis]: Armstrong Transport Group, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   450   450      
Cost [3],[11],[12],[13]   449   449      
Investment, Identifier [Axis]: Artemis Bidco Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   622 [2],[3],[12],[13],[16]   622 [2],[3],[12],[13],[16]   618 [5],[6],[7],[9],[17]  
Cost   595 [2],[3],[12],[13],[16]   595 [2],[3],[12],[13],[16]   564 [5],[6],[7],[9],[17]  
Investment, Identifier [Axis]: Astra Bidco Limited | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   425 [2],[3],[12],[16]   425 [2],[3],[12],[16]   449 [5],[6],[9],[17]  
Cost   408 [2],[3],[12],[16]   408 [2],[3],[12],[16]   408 [5],[6],[9],[17]  
Investment, Identifier [Axis]: Astra Bidco Limited | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   2,520 [2],[3],[12],[29]   2,520 [2],[3],[12],[29]   2,604 [5],[6],[9],[27]  
Cost   2,537 [2],[3],[12],[29]   2,537 [2],[3],[12],[29]   2,528 [5],[6],[9],[27]  
Investment, Identifier [Axis]: Auxi International | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   1,590 [2],[3],[12],[16]   1,590 [2],[3],[12],[16]   1,562 [5],[6],[9],[17]  
Cost   1,551 [2],[3],[12],[16]   1,551 [2],[3],[12],[16]   1,545 [5],[6],[9],[17]  
Investment, Identifier [Axis]: Auxi International | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   890 [2],[3],[12],[22]   890 [2],[3],[12],[22]   856 [5],[6],[9],[26]  
Cost   918 [2],[3],[12],[22]   918 [2],[3],[12],[22]   913 [5],[6],[9],[26]  
Investment, Identifier [Axis]: Avance Clinical Bidco Pty Ltd | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,678 [2],[3],[12],[13],[30]   1,678 [2],[3],[12],[13],[30]   1,609 [5],[6],[7],[9],[31]  
Cost   1,697 [2],[3],[12],[13],[30]   1,697 [2],[3],[12],[13],[30]   1,683 [5],[6],[7],[9],[31]  
Investment, Identifier [Axis]: Azalea Buyer, Inc. | Common Stock              
Schedule of Investments [Line Items]              
Fair value   404 [3],[10]   404 [3],[10]   304 [6],[14]  
Cost   192 [3],[10]   192 [3],[10]   192 [6],[14]  
Investment, Identifier [Axis]: Azalea Buyer, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,701 [3],[12],[18]   4,701 [3],[12],[18]   4,738 [6],[9],[19]  
Cost   4,682 [3],[12],[18]   4,682 [3],[12],[18]   4,707 [6],[9],[19]  
Investment, Identifier [Axis]: Azalea Buyer, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   0 [3],[12],[13],[18]   0 [3],[12],[13],[18]   0 [6],[7],[9],[19]  
Cost   (2) [3],[12],[13],[18]   (2) [3],[12],[13],[18]   (3) [6],[7],[9],[19]  
Investment, Identifier [Axis]: Azalea Buyer, Inc. | Subordinated Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,231 [3]   2,231 [3]   2,042 [6]  
Cost   2,223 [3]   2,223 [3]   2,031 [6]  
Investment, Identifier [Axis]: BCTS Parent, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[13],[32]   1,216   1,216      
Cost [2],[3],[12],[13],[32]   1,238   1,238      
Investment, Identifier [Axis]: BCTS Parent, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[13],[32]   245   245      
Cost [2],[3],[12],[13],[32]   250   250      
Investment, Identifier [Axis]: BKF Buyer, Inc. | Common Stock              
Schedule of Investments [Line Items]              
Fair value   1,235 [3],[10]   1,235 [3],[10]   1,145 [6],[14]  
Cost   1,004 [3],[10]   1,004 [3],[10]   1,004 [6],[14]  
Investment, Identifier [Axis]: BKF Buyer, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,125 [3],[12],[13],[18]   4,125 [3],[12],[13],[18]   7,988 [6],[9],[19]  
Cost   4,137 [3],[12],[13],[18]   4,137 [3],[12],[13],[18]   7,985 [6],[9],[19]  
Investment, Identifier [Axis]: BKF Buyer, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   (36) [3],[12],[13],[18]   (36) [3],[12],[13],[18]   (33) [6],[7],[9],[19]  
Cost   (20) [3],[12],[13],[18]   (20) [3],[12],[13],[18]   (32) [6],[7],[9],[19]  
Investment, Identifier [Axis]: BLI Buyer, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,545 [3],[11],[12],[13]   2,545 [3],[11],[12],[13]   2,547 [6],[7],[8],[9]  
Cost   2,539 [3],[11],[12],[13]   2,539 [3],[11],[12],[13]   2,548 [6],[7],[8],[9]  
Investment, Identifier [Axis]: BLI Buyer, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   43 [3],[11],[12],[13]   43 [3],[11],[12],[13]   (6) [6],[7],[8],[9]  
Cost   42 [3],[11],[12],[13]   42 [3],[11],[12],[13]   (6) [6],[7],[8],[9]  
Investment, Identifier [Axis]: BNI Global, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[9],[33]           10,598  
Cost [6],[9],[33]           9,680  
Investment, Identifier [Axis]: BNI Intermediate Holdings, LLC | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [3],[12],[16]   11,966   11,966      
Cost [3],[12],[16]   12,122   12,122      
Investment, Identifier [Axis]: BNI Intermediate Holdings, LLC | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   166   166      
Cost [3],[11],[12],[13]   166   166      
Investment, Identifier [Axis]: BNI Intermediate Holdings, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   (30)   (30)      
Cost [3],[11],[12],[13]   (29)   (29)      
Investment, Identifier [Axis]: BPG Holdings IV Corp | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   9,603 [3],[11],[12],[20]   9,603 [3],[11],[12],[20]   11,347 [6],[8],[9]  
Cost   14,933 [3],[11],[12],[20]   14,933 [3],[11],[12],[20]   14,005 [6],[8],[9]  
Investment, Identifier [Axis]: Balaena Maritime (UK) Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[22]   19,838   19,838      
Cost [2],[3],[12],[22]   19,892   19,892      
Investment, Identifier [Axis]: Balaena Maritime (UK) Limited | Warrants              
Schedule of Investments [Line Items]              
Fair value [2],[3],[10]   0   0      
Cost [2],[3],[10]   0   0      
Investment, Identifier [Axis]: Bariacum S.A. | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [5],[6],[9],[17],[21]           655  
Cost [5],[6],[9],[17],[21]           3,272  
Investment, Identifier [Axis]: Bariacum S.A. | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [5],[6],[9],[17]           47  
Cost [5],[6],[9],[17]           47  
Investment, Identifier [Axis]: Bariacum S.A. | First Lien Senior Secured Term Loan 3              
Schedule of Investments [Line Items]              
Fair value [5],[6],[9],[17]           376  
Cost [5],[6],[9],[17]           376  
Investment, Identifier [Axis]: Basin Innovation Group, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   7,939 [3],[12],[18]   7,939 [3],[12],[18]   7,665 [6],[7],[9],[28]  
Cost   7,916 [3],[12],[18]   7,916 [3],[12],[18]   7,563 [6],[7],[9],[28]  
Investment, Identifier [Axis]: Basin Innovation Group, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   (15) [3],[12],[13],[18]   (15) [3],[12],[13],[18]   0 [6],[7],[9],[28]  
Cost   (20) [3],[12],[13],[18]   (20) [3],[12],[13],[18]   (23) [6],[7],[9],[28]  
Investment, Identifier [Axis]: Beyond Risk Management, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[7],[8],[9]           1,775  
Cost [6],[7],[8],[9]           1,763  
Investment, Identifier [Axis]: Bidwax | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   7,812 [2],[3],[12],[23]   7,812 [2],[3],[12],[23]   8,188 [5],[6],[9],[24]  
Cost   8,210 [2],[3],[12],[23]   8,210 [2],[3],[12],[23]   8,182 [5],[6],[9],[24]  
Investment, Identifier [Axis]: Biolam Group | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [34]   0   0   1,731 [5],[6],[9],[21],[24],[35]  
Cost [5],[6],[9],[21],[24],[35]           2,537  
Investment, Identifier [Axis]: Biolam Group | Ordinary Shares              
Schedule of Investments [Line Items]              
Fair value   0   0   0 [5],[6],[14],[35]  
Cost [5],[6],[14],[35]           0  
Investment, Identifier [Axis]: Biolam | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [36]           1,731 $ 0
Investment, Identifier [Axis]: Biolam | Ordinary Shares              
Schedule of Investments [Line Items]              
Fair value           0 0
Investment, Identifier [Axis]: Bishop Street Underwriters, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,957 [3],[12],[13],[18]   4,957 [3],[12],[13],[18]   4,830 [6],[9],[19]  
Cost   4,953 [3],[12],[13],[18]   4,953 [3],[12],[13],[18]   4,785 [6],[9],[19]  
Investment, Identifier [Axis]: Bishop Street Underwriters, LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   349 [3]   349 [3]   361 [6],[14]  
Cost   287 [3]   287 [3]   287 [6],[14]  
Investment, Identifier [Axis]: Bitly, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,283 [3],[12],[18]   2,283 [3],[12],[18]   4,763 [6],[8],[9]  
Cost   2,279 [3],[12],[18]   2,279 [3],[12],[18]   4,764 [6],[8],[9]  
Investment, Identifier [Axis]: Bitly, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   (1) [3],[12],[13],[18]   (1) [3],[12],[13],[18]   (2) [6],[7],[8],[9]  
Cost   (2) [3],[12],[13],[18]   (2) [3],[12],[13],[18]   (2) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Black Angus Steakhouses, LLC | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [37]           0 0
Investment, Identifier [Axis]: Black Angus Steakhouses, LLC | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [37]           0 2,744
Investment, Identifier [Axis]: Black Angus Steakhouses, LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value           0 0
Investment, Identifier [Axis]: Bounteous, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,030 [3],[11],[12]   4,030 [3],[11],[12]   4,064 [6],[9],[19]  
Cost   4,030 [3],[11],[12]   4,030 [3],[11],[12]   4,040 [6],[9],[19]  
Investment, Identifier [Axis]: Breeze Aviation Group Inc | Second Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   2,137 [3],[11],[12]   2,137 [3],[11],[12]   2,361 [6],[8],[9]  
Cost   2,175 [3],[11],[12]   2,175 [3],[11],[12]   2,403 [6],[8],[9]  
Investment, Identifier [Axis]: Breeze Aviation Group Inc | Second Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   2,163 [3],[11],[12]   2,163 [3],[11],[12]   2,385 [6],[8],[9]  
Cost   2,201 [3],[11],[12]   2,201 [3],[11],[12]   2,429 [6],[8],[9]  
Investment, Identifier [Axis]: Breeze Aviation Group Inc | Second Lien Senior Secured Term Loan 3              
Schedule of Investments [Line Items]              
Fair value   2,163 [3],[11],[12]   2,163 [3],[11],[12]   2,386 [6],[8],[9]  
Cost   2,201 [3],[11],[12]   2,201 [3],[11],[12]   2,429 [6],[8],[9]  
Investment, Identifier [Axis]: Breeze Aviation Group Inc | Second Lien Senior Secured Term Loan 4              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12]   2,353   2,353      
Cost [3],[11],[12]   2,387   2,387      
Investment, Identifier [Axis]: Breeze Aviation Group Inc | Second Lien Senior Secured Term Loan 5              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12]   2,353   2,353      
Cost [3],[11],[12]   2,387   2,387      
Investment, Identifier [Axis]: Breeze Aviation Group Inc | Second Lien Senior Secured Term Loan 6              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12]   2,353   2,353      
Cost [3],[11],[12]   2,387   2,387      
Investment, Identifier [Axis]: Bridger Aerospace Group Holdings, LLC | Preferred Stock- Series C              
Schedule of Investments [Line Items]              
Fair value   16,911 [3]   16,911 [3]   16,336 [6]  
Cost   18,632 [3]   18,632 [3]   17,978 [6]  
Investment, Identifier [Axis]: BrightSign LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,983 [3],[12],[18]   4,983 [3],[12],[18]   5,023 [6],[9],[19]  
Cost   4,972 [3],[12],[18]   4,972 [3],[12],[18]   5,005 [6],[9],[19]  
Investment, Identifier [Axis]: BrightSign LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   1,694 [3]   1,694 [3]   1,384 [6]  
Cost   1,107 [3]   1,107 [3]   1,107 [6]  
Investment, Identifier [Axis]: BrightSign LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   576 [3],[12],[13],[18]   576 [3],[12],[13],[18]   997 [6],[7],[9],[19]  
Cost   573 [3],[12],[13],[18]   573 [3],[12],[13],[18]   993 [6],[7],[9],[19]  
Investment, Identifier [Axis]: British Engineering Services Holdco Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   15,364 [2],[3],[12],[29]   15,364 [2],[3],[12],[29]   13,936 [5],[6],[9],[27]  
Cost   16,958 [2],[3],[12],[29]   16,958 [2],[3],[12],[29]   16,080 [5],[6],[9],[27]  
Investment, Identifier [Axis]: Broadstone Group UK LTD | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,840 [2],[3],[12],[13],[29]   1,840 [2],[3],[12],[13],[29]   1,731 [5],[6],[7],[9],[27]  
Cost   1,750 [2],[3],[12],[13],[29]   1,750 [2],[3],[12],[13],[29]   1,629 [5],[6],[7],[9],[27]  
Investment, Identifier [Axis]: Broadway Buyer, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,513 [3],[11],[12],[13]   2,513 [3],[11],[12],[13]   2,136 [6],[7],[8],[9]  
Cost   2,506 [3],[11],[12],[13]   2,506 [3],[11],[12],[13]   2,136 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Broadway Buyer, LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   387 [3],[10]   387 [3],[10]   312 [6],[14]  
Cost   312 [3],[10]   312 [3],[10]   312 [6],[14]  
Investment, Identifier [Axis]: Broadway Buyer, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   90 [3],[11],[12],[13]   90 [3],[11],[12],[13]   (10) [6],[7],[8],[9]  
Cost   88 [3],[11],[12],[13]   88 [3],[11],[12],[13]   (10) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Brown Machine Group Holdings, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[8],[9]           5,513  
Cost [6],[8],[9]           6,063  
Investment, Identifier [Axis]: Burgess Point Purchaser Corporation | LP Units              
Schedule of Investments [Line Items]              
Fair value   423 [3],[10]   423 [3],[10]   334 [6],[14]  
Cost   455 [3],[10]   455 [3],[10]   455 [6],[14]  
Investment, Identifier [Axis]: Burgess Point Purchaser Corporation | Second Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,295 [3],[11],[12]   4,295 [3],[11],[12]   3,986 [6],[8],[9]  
Cost   4,449 [3],[11],[12]   4,449 [3],[11],[12]   4,435 [6],[8],[9]  
Investment, Identifier [Axis]: CCFF Buyer, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   6,042 [3],[11],[12],[13]   6,042 [3],[11],[12],[13]   5,953 [6],[7],[9],[28]  
Cost   5,974 [3],[11],[12],[13]   5,974 [3],[11],[12],[13]   5,905 [6],[7],[9],[28]  
Investment, Identifier [Axis]: CCFF Buyer, LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   279 [3],[10]   279 [3],[10]   262 [6],[14]  
Cost   233 [3],[10]   233 [3],[10]   233 [6],[14]  
Investment, Identifier [Axis]: CCFF Buyer, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   172 [3],[11],[12],[13]   172 [3],[11],[12],[13]   (8) [6],[7],[9],[28]  
Cost   162 [3],[11],[12],[13]   162 [3],[11],[12],[13]   (15) [6],[7],[9],[28]  
Investment, Identifier [Axis]: CEC Entertainment, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   3,372 [3],[11],[12]   3,372 [3],[11],[12]   3,429 [6],[8],[9]  
Cost   3,370 [3],[11],[12]   3,370 [3],[11],[12]   3,428 [6],[8],[9]  
Investment, Identifier [Axis]: CGI Parent, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   13,436 [3],[11],[12]   13,436 [3],[11],[12]   13,515 [6],[8],[9]  
Cost   13,332 [3],[11],[12]   13,332 [3],[11],[12]   13,358 [6],[8],[9]  
Investment, Identifier [Axis]: CGI Parent, LLC | Preferred Stock              
Schedule of Investments [Line Items]              
Fair value   1,978 [3],[10]   1,978 [3],[10]   1,947 [6],[14]  
Cost   722 [3],[10]   722 [3],[10]   722 [6],[14]  
Investment, Identifier [Axis]: CGI Parent, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   0 [3],[11],[12],[13]   0 [3],[11],[12],[13]   0 [6],[7],[8],[9]  
Cost   (8) [3],[11],[12],[13]   (8) [3],[11],[12],[13]   (12) [6],[7],[8],[9]  
Investment, Identifier [Axis]: CH Buyer, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   868 [3],[11],[12]   868 [3],[11],[12]   872 [6],[8],[9]  
Cost   856 [3],[11],[12]   856 [3],[11],[12]   858 [6],[8],[9]  
Investment, Identifier [Axis]: CH Buyer, LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   86 [3],[10]   86 [3],[10]   78 [6],[14]  
Cost   69 [3],[10]   69 [3],[10]   69 [6],[14]  
Investment, Identifier [Axis]: CH Buyer, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   0 [3],[11],[12],[13]   0 [3],[11],[12],[13]   0 [6],[7],[8],[9]  
Cost   (1) [3],[11],[12],[13]   (1) [3],[11],[12],[13]   (1) [6],[7],[8],[9]  
Investment, Identifier [Axis]: CM Acquisitions Holdings Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   6,635 [3],[11],[12]   6,635 [3],[11],[12]   11,452 [6],[9],[28]  
Cost   6,617 [3],[11],[12]   6,617 [3],[11],[12]   11,442 [6],[9],[28]  
Investment, Identifier [Axis]: CMT Opco Holding, LLC (Concept Machine) | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12]   4,084   4,084      
Cost [3],[11],[12]   4,705   4,705      
Investment, Identifier [Axis]: CMT Opco Holding, LLC (Concept Machine) | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [6],[8],[9]           3,489  
Cost [6],[8],[9]           4,048  
Investment, Identifier [Axis]: CMT Opco Holding, LLC (Concept Machine) | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [6],[8],[9]           568  
Cost [6],[8],[9]           657  
Investment, Identifier [Axis]: CMT Opco Holding, LLC (Concept Machine) | LLC Units              
Schedule of Investments [Line Items]              
Fair value   0 [3],[10]   0 [3],[10]   0 [6],[14]  
Cost   506 [3],[10]   506 [3],[10]   506 [6],[14]  
Investment, Identifier [Axis]: CTA Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[12],[13],[18]   5,475   5,475      
Cost [3],[12],[13],[18]   5,477   5,477      
Investment, Identifier [Axis]: CTA Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[12],[13],[18]   (18)   (18)      
Cost [3],[12],[13],[18]   (18)   (18)      
Investment, Identifier [Axis]: CTI Foods Holdings Co., LLC | Common Stock              
Schedule of Investments [Line Items]              
Fair value   1,597 [3],[10]   1,597 [3],[10]   1,518 [6],[14]  
Cost   0 [3],[10]   0 [3],[10]   0 [6],[14]  
Investment, Identifier [Axis]: CTI Foods Holdings Co., LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   10,945 [3],[11],[12]   10,945 [3],[11],[12]   11,014 [6],[8],[9]  
Cost   10,797 [3],[11],[12]   10,797 [3],[11],[12]   10,827 [6],[8],[9]  
Investment, Identifier [Axis]: CTI Foods Holdings Co., LLC | First Out Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   2,669 [3],[11],[12]   2,669 [3],[11],[12]   2,400 [6],[8],[9]  
Cost   2,669 [3],[11],[12]   2,669 [3],[11],[12]   2,383 [6],[8],[9]  
Investment, Identifier [Axis]: CTI Foods Holdings Co., LLC | First Out Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   958 [3],[11],[12]   958 [3],[11],[12]   881 [6],[8],[9]  
Cost   958 [3],[11],[12]   958 [3],[11],[12]   881 [6],[8],[9]  
Investment, Identifier [Axis]: CTI Foods Holdings Co., LLC | Last In First Out Term Loan              
Schedule of Investments [Line Items]              
Fair value   5,415 [3],[11],[12]   5,415 [3],[11],[12]   4,870 [6],[8],[9]  
Cost   5,382 [3],[11],[12]   5,382 [3],[11],[12]   4,786 [6],[8],[9]  
Investment, Identifier [Axis]: CTI Foods Holdings Co., LLC | Second Out Term Loan              
Schedule of Investments [Line Items]              
Fair value   754 [3],[11],[12]   754 [3],[11],[12]   683 [6],[8],[9]  
Cost   754 [3],[11],[12]   754 [3],[11],[12]   683 [6],[8],[9]  
Investment, Identifier [Axis]: CTS US Bidco, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   3,812 [2],[3],[11],[12]   3,812 [2],[3],[11],[12]   3,717 [5],[6],[8],[9]  
Cost   3,724 [2],[3],[11],[12]   3,724 [2],[3],[11],[12]   3,718 [5],[6],[8],[9]  
Investment, Identifier [Axis]: CW Group Holdings, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   5,133 [3],[11],[12],[13]   5,133 [3],[11],[12],[13]   5,173 [6],[7],[8],[9]  
Cost   5,051 [3],[11],[12],[13]   5,051 [3],[11],[12],[13]   5,074 [6],[7],[8],[9]  
Investment, Identifier [Axis]: CW Group Holdings, LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   474 [3],[10]   474 [3],[10]   500 [6],[14]  
Cost   161 [3],[10]   161 [3],[10]   161 [6],[14]  
Investment, Identifier [Axis]: Cadence, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   11,014   11,014      
Cost [3],[11],[12],[13]   11,017   11,017      
Investment, Identifier [Axis]: Cadence, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   (26)   (26)      
Cost [3],[11],[12],[13]   (26)   (26)      
Investment, Identifier [Axis]: Caldwell & Gregory LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   14,595 [3],[11],[12]   14,595 [3],[11],[12]   14,308 [6],[7],[8],[9]  
Cost   14,624 [3],[11],[12]   14,624 [3],[11],[12]   14,257 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Caldwell & Gregory LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   (31) [3],[11],[12],[13]   (31) [3],[11],[12],[13]   (22) [6],[7],[8],[9]  
Cost   (25) [3],[11],[12],[13]   (25) [3],[11],[12],[13]   (30) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp. | Class A Equity              
Schedule of Investments [Line Items]              
Fair value   0 [2],[3],[10]   0 [2],[3],[10]   0 [5],[6],[14]  
Cost   389 [2],[3],[10]   389 [2],[3],[10]   389 [5],[6],[14]  
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp. | Class C - Warrants              
Schedule of Investments [Line Items]              
Fair value   0 [2],[3],[10]   0 [2],[3],[10]   0 [5],[6],[14]  
Cost   0 [2],[3],[10]   0 [2],[3],[10]   0 [5],[6],[14]  
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp. | Class X Equity              
Schedule of Investments [Line Items]              
Fair value   0 [2],[3],[10]   0 [2],[3],[10]   0 [5],[6],[14]  
Cost   35 [2],[3],[10]   35 [2],[3],[10]   35 [5],[6],[14]  
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp. | Common Stock              
Schedule of Investments [Line Items]              
Fair value   0 [2],[3],[10]   0 [2],[3],[10]   0 [5],[6],[14]  
Cost   0 [2],[3],[10]   0 [2],[3],[10]   0 [5],[6],[14]  
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   64 [2],[3],[12],[20],[32]   64 [2],[3],[12],[20],[32]   161 [5],[6],[9],[21],[38]  
Cost   1,850 [2],[3],[12],[20],[32]   1,850 [2],[3],[12],[20],[32]   1,850 [5],[6],[9],[21],[38]  
Investment, Identifier [Axis]: Canadian Orthodontic Partners Corp. | Super Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [5],[6],[7]           268  
Cost [5],[6],[7]           96  
Investment, Identifier [Axis]: Cascade Residential Services LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   3,953 [3],[12],[18]   3,953 [3],[12],[18]   4,537 [6],[8],[9]  
Cost   4,498 [3],[12],[18]   4,498 [3],[12],[18]   4,527 [6],[8],[9]  
Investment, Identifier [Axis]: Cascade Residential Services LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   155 [3],[12],[13],[18]   155 [3],[12],[13],[18]   (5) [6],[7],[8],[9]  
Cost   194 [3],[12],[13],[18]   194 [3],[12],[13],[18]   (5) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Catawba River Limited | Structured - Junior Note              
Schedule of Investments [Line Items]              
Fair value   2,274 [2],[3],[10]   2,274 [2],[3],[10]   1,868 [5],[6],[14]  
Cost   4,071 [2],[3],[10]   4,071 [2],[3],[10]   3,900 [5],[6],[14]  
Investment, Identifier [Axis]: Celebration Bidco, LLC | Common Stock              
Schedule of Investments [Line Items]              
Fair value   10,218 [3],[10],[39]   10,218 [3],[10],[39]   8,925 [6],[14],[35] 11,262
Cost   12,177 [3],[10],[39]   12,177 [3],[10],[39]   12,177 [6],[14],[35]  
Investment, Identifier [Axis]: Celebration Bidco, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   8,578 [3],[11],[12],[39]   8,578 [3],[11],[12],[39]   8,463 [6],[8],[35] 6,414
Cost   8,722 [3],[11],[12],[39]   8,722 [3],[11],[12],[39]   8,679 [6],[8],[35]  
Investment, Identifier [Axis]: Ceres Pharma NV | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   3,457 [2],[3],[12],[23]   3,457 [2],[3],[12],[23]   3,593 [5],[6],[9],[24]  
Cost   3,318 [2],[3],[12],[23]   3,318 [2],[3],[12],[23]   3,306 [5],[6],[9],[24]  
Investment, Identifier [Axis]: Ceres Pharma NV | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   644 [2],[3],[12],[23]   644 [2],[3],[12],[23]   666 [5],[6],[7],[9],[24]  
Cost   650 [2],[3],[12],[23]   650 [2],[3],[12],[23]   646 [5],[6],[7],[9],[24]  
Investment, Identifier [Axis]: Cherry Bekaert Advisory LLC | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12]   4,573   4,573      
Cost [3],[11],[12]   4,572   4,572      
Investment, Identifier [Axis]: Cherry Bekaert Advisory LLC | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   4,617   4,617      
Cost [3],[11],[12],[13]   4,585   4,585      
Investment, Identifier [Axis]: Cherry Bekaert Advisory LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   (14)   (14)      
Cost [3],[11],[12],[13]   (10)   (10)      
Investment, Identifier [Axis]: CloudOne Digital Corp. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   12,107 [3],[11],[12]   12,107 [3],[11],[12]   12,160 [6],[8],[9]  
Cost   12,072 [3],[11],[12]   12,072 [3],[11],[12]   12,147 [6],[8],[9]  
Investment, Identifier [Axis]: CloudOne Digital Corp. | Revolver              
Schedule of Investments [Line Items]              
Fair value   (21) [3],[11],[12],[13]   (21) [3],[11],[12],[13]   (29) [6],[7],[8],[9]  
Cost   (27) [3],[11],[12],[13]   (27) [3],[11],[12],[13]   (32) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Coastal Marina Holdings, LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   21,285 [3],[39]   21,285 [3],[39]   19,983 [6],[14],[35] 16,852
Cost   16,494 [3],[39]   16,494 [3],[39]   16,495 [6],[14],[35]  
Investment, Identifier [Axis]: Coastal Marina Holdings, LLC | Subordinated Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   15,784 [3],[39]   15,784 [3],[39]   15,891 [6],[35] 15,770
Cost   15,661 [3],[39]   15,661 [3],[39]   15,793 [6],[35]  
Investment, Identifier [Axis]: Coastal Marina Holdings, LLC | Subordinated Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   7,051 [3],[39]   7,051 [3],[39]   7,327 [6],[35] 7,271
Cost   7,067 [3],[39]   7,067 [3],[39]   7,359 [6],[35]  
Investment, Identifier [Axis]: Cobham Slip Rings SAS | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,303 [2],[3],[11],[12]   1,303 [2],[3],[11],[12]   1,303 [5],[6],[8],[9]  
Cost   1,297 [2],[3],[11],[12]   1,297 [2],[3],[11],[12]   1,292 [5],[6],[8],[9]  
Investment, Identifier [Axis]: Coherus Biosciences, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[8],[9]           3,963  
Cost [6],[8],[9]           3,903  
Investment, Identifier [Axis]: Coherus Biosciences, Inc. | Royalty Rights              
Schedule of Investments [Line Items]              
Fair value   1,507 [3]   1,507 [3]   1,486 [6]  
Cost   1,206 [3]   1,206 [3]   1,292 [6]  
Investment, Identifier [Axis]: Command Alkon (Project Potter Buyer, LLC) | Class B Partnership Units              
Schedule of Investments [Line Items]              
Fair value [6],[14]           187  
Cost [6],[14]           0  
Investment, Identifier [Axis]: Compass Precision, LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   390 [3],[10]   390 [3],[10]   383 [6],[14]  
Cost   125 [3],[10]   125 [3],[10]   125 [6],[14]  
Investment, Identifier [Axis]: Compass Precision, LLC | Senior Subordinated Term Loan              
Schedule of Investments [Line Items]              
Fair value   659 [3]   659 [3]   655 [6]  
Cost   657 [3]   657 [3]   651 [6]  
Investment, Identifier [Axis]: Comply365, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12]   10,428   10,428      
Cost [3],[11],[12]   10,643   10,643      
Investment, Identifier [Axis]: Comply365, LLC | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [6],[8],[9]           7,505  
Cost [6],[8],[9]           7,440  
Investment, Identifier [Axis]: Comply365, LLC | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [6],[8],[9]           3,278  
Cost [6],[8],[9]           3,230  
Investment, Identifier [Axis]: Comply365, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   446 [3],[11],[12],[13]   446 [3],[11],[12],[13]   293 [6],[7],[8],[9]  
Cost   467 [3],[11],[12],[13]   467 [3],[11],[12],[13]   282 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Constellation Bidco Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [2],[3],[11],[12],[13]   7,443   7,443      
Cost [2],[3],[11],[12],[13]   7,445   7,445      
Investment, Identifier [Axis]: Constellation Bidco Limited | Revolver              
Schedule of Investments [Line Items]              
Fair value [2],[3],[11],[12],[13]   (6)   (6)      
Cost [2],[3],[11],[12],[13]   (5)   (5)      
Investment, Identifier [Axis]: Contabo Finco S.À R.L | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[16]   5,289   5,289      
Cost [2],[3],[12],[16]   4,589   4,589      
Investment, Identifier [Axis]: Contabo FincoS.À R.L | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [5],[6],[9],[17]           5,469  
Cost [5],[6],[9],[17]           4,574  
Investment, Identifier [Axis]: Coyo Uprising GmbH | Class A Units              
Schedule of Investments [Line Items]              
Fair value   243 [2],[3],[10]   243 [2],[3],[10]   243 [5],[6],[14]  
Cost   205 [2],[3],[10]   205 [2],[3],[10]   205 [5],[6],[14]  
Investment, Identifier [Axis]: Coyo Uprising GmbH | Class B Units              
Schedule of Investments [Line Items]              
Fair value   319 [2],[3],[10]   319 [2],[3],[10]   420 [5],[6],[14]  
Cost   446 [2],[3],[10]   446 [2],[3],[10]   446 [5],[6],[14]  
Investment, Identifier [Axis]: Coyo Uprising GmbH | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   5,289 [2],[3],[12],[13],[23]   5,289 [2],[3],[12],[13],[23]   5,477 [5],[6],[7],[9],[24]  
Cost   5,468 [2],[3],[12],[13],[23]   5,468 [2],[3],[12],[13],[23]   5,448 [5],[6],[7],[9],[24]  
Investment, Identifier [Axis]: Credit Key Funding II LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   5,654 [3],[12],[13],[18]   5,654 [3],[12],[13],[18]   4,748 [6],[7],[8],[9]  
Cost   5,635 [3],[12],[13],[18]   5,635 [3],[12],[13],[18]   4,749 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Credit Key Funding II LLC | Preferred Stock              
Schedule of Investments [Line Items]              
Fair value   2,774 [3]   2,774 [3]   2,557 [6]  
Cost   2,769 [3]   2,769 [3]   2,567 [6]  
Investment, Identifier [Axis]: Credit Key Funding II LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   429 [3],[12],[13],[18]   429 [3],[12],[13],[18]   (9) [6],[7],[8],[9]  
Cost   427 [3],[12],[13],[18]   427 [3],[12],[13],[18]   (9) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Credit Key Funding II LLC | Warrants              
Schedule of Investments [Line Items]              
Fair value   17 [3],[10]   17 [3],[10]   0 [6],[14]  
Cost   0 [3],[10]   0 [3],[10]   0 [6],[14]  
Investment, Identifier [Axis]: DAWGS Intermediate Holdings Co. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,585 [3],[11],[12]   2,585 [3],[11],[12]   1,791 [6],[8],[9]  
Cost   2,588 [3],[11],[12]   2,588 [3],[11],[12]   1,778 [6],[8],[9]  
Investment, Identifier [Axis]: DAWGS Intermediate Holdings Co. | LLC Units              
Schedule of Investments [Line Items]              
Fair value   472 [3],[10]   472 [3],[10]   409 [6],[14]  
Cost   347 [3],[10]   347 [3],[10]   347 [6],[14]  
Investment, Identifier [Axis]: DAWGS Intermediate Holdings Co. | Revolver              
Schedule of Investments [Line Items]              
Fair value   262 [3],[11],[12],[13]   262 [3],[11],[12],[13]   339 [6],[7],[8],[9]  
Cost   268 [3],[11],[12],[13]   268 [3],[11],[12],[13]   325 [6],[7],[8],[9]  
Investment, Identifier [Axis]: DISA Holdings Corp. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   6,826 [3],[12],[18]   6,826 [3],[12],[18]   6,880 [6],[8],[9]  
Cost   6,748 [3],[12],[18]   6,748 [3],[12],[18]   6,773 [6],[8],[9]  
Investment, Identifier [Axis]: DISA Holdings Corp. | Revolver              
Schedule of Investments [Line Items]              
Fair value   0 [3],[12],[13],[18]   0 [3],[12],[13],[18]   114 [6],[7],[8],[9]  
Cost   (5) [3],[12],[13],[18]   (5) [3],[12],[13],[18]   108 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Dane Street, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[12],[13],[25]   1,127   1,127      
Cost [3],[12],[13],[25]   1,124   1,124      
Investment, Identifier [Axis]: Dane Street, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[12],[13],[25]   (5)   (5)      
Cost [3],[12],[13],[25]   (5)   (5)      
Investment, Identifier [Axis]: DataServ Integrations, LLC | Preferred Units              
Schedule of Investments [Line Items]              
Fair value   218 [3],[10]   218 [3],[10]   235 [6],[14]  
Cost   192 [3],[10]   192 [3],[10]   192 [6],[14]  
Investment, Identifier [Axis]: David Wood Baking UK Ltd | Common Stock              
Schedule of Investments [Line Items]              
Fair value [2],[3],[10]   0   0      
Cost [2],[3],[10]   0   0      
Investment, Identifier [Axis]: David Wood Baking UK Ltd | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,030 [2],[3],[12],[13],[29]   1,030 [2],[3],[12],[13],[29]   862 [5],[6],[9],[27]  
Cost   998 [2],[3],[12],[13],[29]   998 [2],[3],[12],[13],[29]   827 [5],[6],[9],[27]  
Investment, Identifier [Axis]: DecksDirect, LLC | Class A Units              
Schedule of Investments [Line Items]              
Fair value   0 [3],[10]   0 [3],[10]   0 [6],[14]  
Cost   47 [3],[10]   47 [3],[10]   47 [6],[14]  
Investment, Identifier [Axis]: DecksDirect, LLC | Common Stock              
Schedule of Investments [Line Items]              
Fair value   0 [3],[10]   0 [3],[10]   0 [6],[14]  
Cost   55 [3],[10]   55 [3],[10]   55 [6],[14]  
Investment, Identifier [Axis]: DecksDirect, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[8],[9]           988  
Cost [6],[8],[9]           1,480  
Investment, Identifier [Axis]: DecksDirect, LLC | Preferred Stock              
Schedule of Investments [Line Items]              
Fair value   0 [3],[10]   0 [3],[10]   0 [6]  
Cost   11 [3],[10]   11 [3],[10]   11 [6]  
Investment, Identifier [Axis]: DecksDirect, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [6],[7],[8],[9]           168  
Cost [6],[7],[8],[9]           294  
Investment, Identifier [Axis]: Discovery Buyer, L.P. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   16,871 [3],[11],[12],[13]   16,871 [3],[11],[12],[13]   16,904 [6],[7],[8],[9]  
Cost   16,785 [3],[11],[12],[13]   16,785 [3],[11],[12],[13]   16,859 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Discovery Buyer, L.P. | Revolver              
Schedule of Investments [Line Items]              
Fair value   (10) [3],[11],[12],[13]   (10) [3],[11],[12],[13]   (16) [6],[7],[8],[9]  
Cost   (17) [3],[11],[12],[13]   (17) [3],[11],[12],[13]   (20) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Diversified Packaging Holdings LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   628 [3],[10]   628 [3],[10]   456 [6]  
Cost   277 [3],[10]   277 [3],[10]   277 [6]  
Investment, Identifier [Axis]: Diversified Packaging Holdings LLC | Second Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,028 [3]   1,028 [3]   807 [6]  
Cost   1,030 [3]   1,030 [3]   805 [6]  
Investment, Identifier [Axis]: Dryden 49 Senior Loan Fund, Series 2017-49A | Subordinated Structured Notes              
Schedule of Investments [Line Items]              
Fair value [5],[14],[15]           2  
Cost [5],[14],[15]           2,043  
Investment, Identifier [Axis]: Dunlipharder B.V. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,000 [2],[3],[12],[18]   1,000 [2],[3],[12],[18]   1,000 [5],[6],[8],[9]  
Cost   995 [2],[3],[12],[18]   995 [2],[3],[12],[18]   993 [5],[6],[8],[9]  
Investment, Identifier [Axis]: Durare Bidco, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,132 [3],[11],[12],[13]   2,132 [3],[11],[12],[13]   1,392 [6],[7],[8],[9]  
Cost   2,127 [3],[11],[12],[13]   2,127 [3],[11],[12],[13]   1,390 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Durare Bidco, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   (6) [3],[11],[12],[13]   (6) [3],[11],[12],[13]   (8) [6],[7],[8],[9]  
Cost   (8) [3],[11],[12],[13]   (8) [3],[11],[12],[13]   (9) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Dwyer Instruments, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[8],[9]           14,476  
Cost [6],[8],[9]           14,319  
Investment, Identifier [Axis]: EB Development | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [5],[6],[7],[9],[17]           2,056  
Cost [5],[6],[7],[9],[17]           1,793  
Investment, Identifier [Axis]: EB Development | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[16]   1,999   1,999      
Cost [2],[3],[12],[16]   1,810   1,810      
Investment, Identifier [Axis]: EB Development | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [2],[3],[11],[12]   1,558   1,558      
Cost [2],[3],[11],[12]   1,558   1,558      
Investment, Identifier [Axis]: EFC International | Common Stock              
Schedule of Investments [Line Items]              
Fair value   235 [3],[10]   235 [3],[10]   217 [6],[14]  
Cost   231 [3],[10]   231 [3],[10]   231 [6],[14]  
Investment, Identifier [Axis]: EFC International | Senior Unsecured Term Loan              
Schedule of Investments [Line Items]              
Fair value   836 [3]   836 [3]   820 [6]  
Cost   828 [3]   828 [3]   810 [6]  
Investment, Identifier [Axis]: EMI Porta Holdco LLC | Common Stock              
Schedule of Investments [Line Items]              
Fair value   3,911 [3],[10],[39]   3,911 [3],[10],[39]   0  
Cost [3],[10],[39]   3,004   3,004      
Investment, Identifier [Axis]: EMI Porta Holdco LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,404 [3],[11],[12],[39]   4,404 [3],[11],[12],[39]   10,985 [6],[8],[9]  
Cost   4,404 [3],[11],[12],[39]   4,404 [3],[11],[12],[39]   11,942 [6],[8],[9]  
Investment, Identifier [Axis]: EMI Porta Holdco LLC | First Lien Senior Secured Term Loan 2026              
Schedule of Investments [Line Items]              
Fair value   4,404   4,404   0  
Investment, Identifier [Axis]: EMI Porta Holdco LLC | Preferred Stock              
Schedule of Investments [Line Items]              
Fair value   2,439 [3],[39]   2,439 [3],[39]   0  
Cost [3],[39]   2,432   2,432      
Investment, Identifier [Axis]: EMI Porta Holdco LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   0 [3],[11],[12],[13],[39]   0 [3],[11],[12],[13],[39]   513 [6],[7],[8],[9]  
Cost   0 [3],[11],[12],[13],[39]   0 [3],[11],[12],[13],[39]   752 [6],[7],[8],[9]  
Investment, Identifier [Axis]: EMI Porta Holdco LLC | Revolver 2026              
Schedule of Investments [Line Items]              
Fair value   0   0   0  
Investment, Identifier [Axis]: ERS Holdings, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[12],[13],[18]   2,667   2,667      
Cost [3],[12],[13],[18]   2,671   2,671      
Investment, Identifier [Axis]: ERS Holdings, LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value [3],[10]   54   54      
Cost [3],[10]   54   54      
Investment, Identifier [Axis]: ERS Holdings, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[12],[13],[18]   (3)   (3)      
Cost [3],[12],[13],[18]   (2)   (2)      
Investment, Identifier [Axis]: EZ SMBO Bidco | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   832 [2],[3],[12],[13],[23]   832 [2],[3],[12],[13],[23]   916 [5],[6],[9],[38]  
Cost   811 [2],[3],[12],[13],[23]   811 [2],[3],[12],[13],[23]   912 [5],[6],[9],[38]  
Investment, Identifier [Axis]: EZ SMBO Bidco | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   884 [2],[3],[12],[40]   884 [2],[3],[12],[40]   561 [5],[6],[7],[9],[24]  
Cost   913 [2],[3],[12],[40]   913 [2],[3],[12],[40]   520 [5],[6],[7],[9],[24]  
Investment, Identifier [Axis]: EZ SMBO Bidco | First Lien Senior Secured Term Loan 3              
Schedule of Investments [Line Items]              
Fair value   736 [2],[3],[12],[23]   736 [2],[3],[12],[23]   675 [5],[6]  
Cost   714 [2],[3],[12],[23]   714 [2],[3],[12],[23]   627 [5],[6]  
Investment, Identifier [Axis]: EZ SMBO Bidco | Subordinated Term Loan              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[23]   327   327      
Cost [2],[3],[12],[23]   332   332      
Investment, Identifier [Axis]: Echo Global Logistics, Inc. | Partnership Equity              
Schedule of Investments [Line Items]              
Fair value   912 [3],[10]   912 [3],[10]   351 [6],[14]  
Cost   531 [3],[10]   531 [3],[10]   531 [6],[14]  
Investment, Identifier [Axis]: Echo Global Logistics, Inc. | Second Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[9],[19]           9,450  
Cost [6],[9],[19]           9,376  
Investment, Identifier [Axis]: Eclipse Business Capital LLC, Commitment              
Schedule of Investments [Line Items]              
Fair value   122,100   122,100   117,000  
Investment, Identifier [Axis]: Eclipse Business Capital LLC, Debt              
Schedule of Investments [Line Items]              
Fair value   32,300   32,300   27,200  
Investment, Identifier [Axis]: Eclipse Business Capital LLC, Equity              
Schedule of Investments [Line Items]              
Fair value   89,800   89,800   89,800  
Investment, Identifier [Axis]: Eclipse Business Capital LLC, First Lien Senior Secured Loan Commitment, Unfunded              
Schedule of Investments [Line Items]              
Fair value   1,700   1,700      
Investment, Identifier [Axis]: Eclipse Business Capital LLC, Revolver Commitment, Unfunded              
Schedule of Investments [Line Items]              
Fair value   10,400   10,400   12,800  
Investment, Identifier [Axis]: Eclipse Business Capital LLC, Total Commitment, Funded              
Schedule of Investments [Line Items]              
Fair value   110,000   110,000   104,200  
Investment, Identifier [Axis]: Eclipse Business Capital, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   3,333 [3],[12],[13],[18],[39]   3,333 [3],[12],[13],[18],[39]   0  
Cost [3],[12],[13],[18],[39]   3,333   3,333      
Investment, Identifier [Axis]: Eclipse Business Capital, LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   139,539 [3],[39]   139,539 [3],[39]   139,539 [6],[35]  
Cost   93,052 [3],[39]   93,052 [3],[39]   93,052 [6],[35]  
Investment, Identifier [Axis]: Eclipse Business Capital, LLC | LLC units              
Schedule of Investments [Line Items]              
Fair value           139,539 136,855
Investment, Identifier [Axis]: Eclipse Business Capital, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   12,273 [3],[12],[13],[18],[39]   12,273 [3],[12],[13],[18],[39]   9,909 [6],[7],[19],[35] 10,091
Cost   12,229 [3],[12],[13],[18],[39]   12,229 [3],[12],[13],[18],[39]   9,852 [6],[7],[19],[35]  
Investment, Identifier [Axis]: Eclipse Business Capital, LLC | Second Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,546 [3],[39]   4,546 [3],[39]   4,546 [6],[35] 4,545
Cost   4,532 [3],[39]   4,532 [3],[39]   4,526 [6],[35]  
Investment, Identifier [Axis]: Electric Equipment & Engineering Co. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   729 [3]   729 [3]   318 [6]  
Cost   729 [3]   729 [3]   313 [6]  
Investment, Identifier [Axis]: Electric Equipment & Engineering Co. | LLC Units              
Schedule of Investments [Line Items]              
Fair value   353 [3],[10]   353 [3],[10]   354 [6],[14]  
Cost   188 [3],[10]   188 [3],[10]   188 [6],[14]  
Investment, Identifier [Axis]: Encore Buyer, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   10,079   10,079      
Cost [3],[11],[12],[13]   10,083   10,083      
Investment, Identifier [Axis]: Encore Buyer, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   (32)   (32)      
Cost [3],[11],[12],[13]   (31)   (31)      
Investment, Identifier [Axis]: Entact Environmental Services, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[8],[9]           6,230  
Cost [6],[8],[9]           6,210  
Investment, Identifier [Axis]: Eurofins Digital Testing International LUX Holding SARL | Common Stock              
Schedule of Investments [Line Items]              
Fair value   0 [2],[3],[10]   0 [2],[3],[10]   0 [5],[6],[14]  
Cost   0 [2],[3],[10]   0 [2],[3],[10]   0 [5],[6],[14]  
Investment, Identifier [Axis]: Eurofins Digital Testing International LUX Holding SARL | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   629 [2],[3],[12],[23]   629 [2],[3],[12],[23]   581 [5],[6],[9],[24]  
Cost   469 [2],[3],[12],[23]   469 [2],[3],[12],[23]   443 [5],[6],[9],[24]  
Investment, Identifier [Axis]: Eurofins Digital Testing International LUX Holding SARL | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   319 [2],[3],[11],[12]   319 [2],[3],[11],[12]   284 [5],[6],[8],[9]  
Cost   234 [2],[3],[11],[12]   234 [2],[3],[11],[12]   221 [5],[6],[8],[9]  
Investment, Identifier [Axis]: Eurofins Digital Testing International LUX Holding SARL | First Lien Senior Secured Term Loan 3              
Schedule of Investments [Line Items]              
Fair value   989 [2],[3],[12],[29]   989 [2],[3],[12],[29]   894 [5],[6],[9],[27]  
Cost   690 [2],[3],[12],[29]   690 [2],[3],[12],[29]   651 [5],[6],[9],[27]  
Investment, Identifier [Axis]: Eurofins Digital Testing International LUX Holding SARL | Preferred Stock              
Schedule of Investments [Line Items]              
Fair value   0 [2],[3],[10]   0 [2],[3],[10]   0 [5],[6],[14]  
Cost   0 [2],[3],[10]   0 [2],[3],[10]   0 [5],[6],[14]  
Investment, Identifier [Axis]: Eurofins Digital Testing International LUX Holding SARL | Second Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [5],[6],[9],[24]           0  
Cost [5],[6],[9],[24]           1,427  
Investment, Identifier [Axis]: Eurofins Digital Testing International LUX Holding SARL | Subordinated Term Loan              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[16],[20]   0   0      
Cost [2],[3],[12],[16],[20]   1,523   1,523      
Investment, Identifier [Axis]: Eurofins Digital Testing International LUX Holding SARL | Super Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[16]   130   130      
Cost [2],[3],[12],[16]   130   130      
Investment, Identifier [Axis]: Events Software BidCo Pty Ltd | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,589 [2],[3],[12],[30]   1,589 [2],[3],[12],[30]   1,470 [5],[6],[7],[9],[31]  
Cost   1,840 [2],[3],[12],[30]   1,840 [2],[3],[12],[30]   1,826 [5],[6],[7],[9],[31]  
Investment, Identifier [Axis]: Everest Midco Limited | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[16]   772   772      
Cost [2],[3],[12],[16]   793   793      
Investment, Identifier [Axis]: Everest Midco Limited | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [2],[3],[11],[12],[13]   3,194   3,194      
Cost [2],[3],[11],[12],[13]   3,186   3,186      
Investment, Identifier [Axis]: Everest Midco Limited | Revolver              
Schedule of Investments [Line Items]              
Fair value [2],[3],[11],[12],[13]   (7)   (7)      
Cost [2],[3],[11],[12],[13]   (8)   (8)      
Investment, Identifier [Axis]: Expert Institute Group Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[7],[9],[28]           1,071  
Cost [6],[7],[9],[28]           1,067  
Investment, Identifier [Axis]: Expert Institute Group Inc. | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [3],[12],[13],[25]   5,316   5,316      
Cost [3],[12],[13],[25]   5,326   5,326      
Investment, Identifier [Axis]: Expert Institute Group Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   (7) [3],[12],[13],[25]   (7) [3],[12],[13],[25]   (5) [6],[7],[9],[28]  
Cost   (5) [3],[12],[13],[25]   (5) [3],[12],[13],[25]   (6) [6],[7],[9],[28]  
Investment, Identifier [Axis]: Express Wash Acquisition Company, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   3,062 [3],[11],[12]   3,062 [3],[11],[12]   3,096 [6],[8],[9]  
Cost   3,212 [3],[11],[12]   3,212 [3],[11],[12]   3,240 [6],[8],[9]  
Investment, Identifier [Axis]: Express Wash Acquisition Company, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   (10) [3],[11],[12],[13]   (10) [3],[11],[12],[13]   (10) [6],[7],[8],[9]  
Cost   (1) [3],[11],[12],[13]   (1) [3],[11],[12],[13]   (2) [6],[7],[8],[9]  
Investment, Identifier [Axis]: FL Hawk Intermediate Holdings, Inc. (f/k/a Fineline Technologies, Inc.) | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12]   6,150   6,150      
Cost [3],[11],[12]   6,127   6,127      
Investment, Identifier [Axis]: FL Hawk Intermediate Holdings, Inc. (f/k/a/ Fineline Technologies, Inc.) | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[9],[19]           6,903  
Cost [6],[9],[19]           6,911  
Investment, Identifier [Axis]: FSS Buyer LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,219 [3],[12],[18]   4,219 [3],[12],[18]   9,337 [6],[9],[19]  
Cost   4,219 [3],[12],[18]   4,219 [3],[12],[18]   9,337 [6],[9],[19]  
Investment, Identifier [Axis]: FSS Buyer LLC | LP Interest              
Schedule of Investments [Line Items]              
Fair value   16 [3],[10]   16 [3],[10]   18 [6],[14]  
Cost   12 [3],[10]   12 [3],[10]   12 [6],[14]  
Investment, Identifier [Axis]: FSS Buyer LLC | LP Units              
Schedule of Investments [Line Items]              
Fair value   70 [3],[10]   70 [3],[10]   78 [6],[14]  
Cost   51 [3],[10]   51 [3],[10]   51 [6],[14]  
Investment, Identifier [Axis]: FSS Buyer LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[12],[13],[18]   0   0      
Cost [3],[12],[13],[18]   0   0      
Investment, Identifier [Axis]: Faraday | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,730 [2],[3],[12],[16]   1,730 [2],[3],[12],[16]   1,787 [5],[6],[9],[17]  
Cost   1,637 [2],[3],[12],[16]   1,637 [2],[3],[12],[16]   1,632 [5],[6],[9],[17]  
Investment, Identifier [Axis]: Featherstone Bidco Limited | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   1,009 [2],[3],[12],[25]   1,009 [2],[3],[12],[25]   1,009 [5],[6],[8],[9]  
Cost   1,009 [2],[3],[12],[25]   1,009 [2],[3],[12],[25]   1,009 [5],[6],[8],[9]  
Investment, Identifier [Axis]: Featherstone Bidco Limited | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   1,290 [2],[3],[12],[29]   1,290 [2],[3],[12],[29]   1,307 [5],[6],[9],[27]  
Cost   1,285 [2],[3],[12],[29]   1,285 [2],[3],[12],[29]   1,265 [5],[6],[9],[27]  
Investment, Identifier [Axis]: Ferrellgas L.P. | Opco Preferred Units              
Schedule of Investments [Line Items]              
Fair value   3,030 [3]   3,030 [3]   3,030 [6]  
Cost   2,799 [3]   2,799 [3]   2,799 [6]  
Investment, Identifier [Axis]: FinThrive Software Intermediate Holdings Inc. | Preferred Stock              
Schedule of Investments [Line Items]              
Fair value   362 [3],[10]   362 [3],[10]   5,896 [6]  
Cost   11,438 [3],[10]   11,438 [3],[10]   10,967 [6]  
Investment, Identifier [Axis]: Finaxy Holding | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,202 [2],[3],[12],[23]   4,202 [2],[3],[12],[23]   4,369 [5],[6],[9],[24]  
Cost   3,959 [2],[3],[12],[23]   3,959 [2],[3],[12],[23]   3,948 [5],[6],[9],[24]  
Investment, Identifier [Axis]: Finexvet | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,836 [2],[3],[12],[23]   4,836 [2],[3],[12],[23]   5,077 [5],[6],[9],[24]  
Cost   5,088 [2],[3],[12],[23]   5,088 [2],[3],[12],[23]   5,070 [5],[6],[9],[24]  
Investment, Identifier [Axis]: FitzMark Buyer, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   3,994 [3],[11],[12]   3,994 [3],[11],[12]   3,994 [6],[9],[19]  
Cost   3,991 [3],[11],[12]   3,991 [3],[11],[12]   3,980 [6],[9],[19]  
Investment, Identifier [Axis]: Five Star Holding LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   653 [3],[10]   653 [3],[10]   784 [6],[14]  
Cost   967 [3],[10]   967 [3],[10]   967 [6],[14]  
Investment, Identifier [Axis]: Five Star Holding LLC | Second Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   13,623 [3],[11],[12]   13,623 [3],[11],[12]   13,692 [6],[8],[9]  
Cost   13,545 [3],[11],[12]   13,545 [3],[11],[12]   13,521 [6],[8],[9]  
Investment, Identifier [Axis]: Flywheel Holdings Segregated Portfolio 2025-2 | LP Interest              
Schedule of Investments [Line Items]              
Fair value   4,209 [2],[3],[10]   4,209 [2],[3],[10]   2,861 [5],[6],[14]  
Cost   3,422 [2],[3],[10]   3,422 [2],[3],[10]   2,777 [5],[6],[14]  
Investment, Identifier [Axis]: Flywheel Re Segregated Portfolio 2022-4 | Preferred Stock              
Schedule of Investments [Line Items]              
Fair value   1,584 [2],[3]   1,584 [2],[3]   2,970 [5],[6]  
Cost   1,031 [2],[3]   1,031 [2],[3]   2,828 [5],[6]  
Investment, Identifier [Axis]: Footco 40 Limited | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   227 [2],[3],[12],[16]   227 [2],[3],[12],[16]   247 [5],[6],[9],[17]  
Cost   223 [2],[3],[12],[16]   223 [2],[3],[12],[16]   223 [5],[6],[9],[17]  
Investment, Identifier [Axis]: Footco 40 Limited | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   1,613 [2],[3],[12],[29]   1,613 [2],[3],[12],[29]   1,714 [5],[6],[9],[26]  
Cost   1,650 [2],[3],[12],[29]   1,650 [2],[3],[12],[29]   1,645 [5],[6],[9],[26]  
Investment, Identifier [Axis]: Forest Buyer, LLC | Class A LLC Units              
Schedule of Investments [Line Items]              
Fair value   125 [3],[10]   125 [3],[10]   140 [6]  
Cost   122 [3],[10]   122 [3],[10]   122 [6]  
Investment, Identifier [Axis]: Forest Buyer, LLC | Class B LLC Units              
Schedule of Investments [Line Items]              
Fair value   56 [3],[10]   56 [3],[10]   61 [6],[14]  
Cost   0 [3],[10]   0 [3],[10]   0 [6],[14]  
Investment, Identifier [Axis]: Forest Buyer, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   5,636 [3],[11],[12]   5,636 [3],[11],[12]   6,054 [6],[8],[9]  
Cost   5,962 [3],[11],[12]   5,962 [3],[11],[12]   6,016 [6],[8],[9]  
Investment, Identifier [Axis]: Forest Buyer, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   (19) [3],[11],[12],[13]   (19) [3],[11],[12],[13]   (2) [6],[7],[8],[9]  
Cost   (4) [3],[11],[12],[13]   (4) [3],[11],[12],[13]   (5) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Forge Borrower, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   1,239   1,239      
Cost [3],[11],[12],[13]   1,234   1,234      
Investment, Identifier [Axis]: Forge Borrower, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   (6)   (6)      
Cost [3],[11],[12],[13]   (7)   (7)      
Investment, Identifier [Axis]: FragilePak LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,394 [3],[11],[12]   4,394 [3],[11],[12]   4,496 [6],[8],[9]  
Cost   4,445 [3],[11],[12]   4,445 [3],[11],[12]   4,463 [6],[8],[9]  
Investment, Identifier [Axis]: FragilePak LLC | Partnership Units              
Schedule of Investments [Line Items]              
Fair value   468 [3],[10]   468 [3],[10]   666 [6],[14]  
Cost   938 [3],[10]   938 [3],[10]   938 [6],[14]  
Investment, Identifier [Axis]: G-3 Chickadee Purchaser, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   11,483 [3],[11],[12]   11,483 [3],[11],[12]   11,667 [6],[8],[9]  
Cost   11,477 [3],[11],[12]   11,477 [3],[11],[12]   11,672 [6],[8],[9]  
Investment, Identifier [Axis]: GB Eagle Buyer, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   7,042 [3],[11],[12]   7,042 [3],[11],[12]   8,382 [6],[8],[9]  
Cost   6,964 [3],[11],[12]   6,964 [3],[11],[12]   8,355 [6],[8],[9]  
Investment, Identifier [Axis]: GB Eagle Buyer, Inc. | Partnership Units              
Schedule of Investments [Line Items]              
Fair value   3,365 [10]   3,365 [10]   2,025 [6],[14]  
Cost   687 [10]   687 [10]   687 [6],[14]  
Investment, Identifier [Axis]: GB Eagle Buyer, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   130 [3],[11],[12],[13]   130 [3],[11],[12],[13]   (23) [6],[7],[8],[9]  
Cost   97 [3],[11],[12],[13]   97 [3],[11],[12],[13]   (35) [6],[7],[8],[9]  
Investment, Identifier [Axis]: GCDL LLC | Common Stock              
Schedule of Investments [Line Items]              
Fair value   253 [3],[10]   253 [3],[10]   355 [6]  
Cost   243 [3],[10]   243 [3],[10]   243 [6]  
Investment, Identifier [Axis]: GCDL LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   607 [3],[11],[12]   607 [3],[11],[12]   501 [6],[7],[8],[9]  
Cost   607 [3],[11],[12]   607 [3],[11],[12]   501 [6],[7],[8],[9]  
Investment, Identifier [Axis]: GCDL LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   (1) [3],[11],[12],[13]   (1) [3],[11],[12],[13]   (1) [6],[7],[8],[9]  
Cost   (1) [3],[11],[12],[13]   (1) [3],[11],[12],[13]   (1) [6],[7],[8],[9]  
Investment, Identifier [Axis]: GMES LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   8,286 [3],[11],[12],[13]   8,286 [3],[11],[12],[13]   7,609 [6],[7],[8],[9]  
Cost   8,263 [3],[11],[12],[13]   8,263 [3],[11],[12],[13]   7,602 [6],[7],[8],[9]  
Investment, Identifier [Axis]: GMES LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   195 [3],[11],[12],[13]   195 [3],[11],[12],[13]   90 [6],[7],[8],[9]  
Cost   193 [3],[11],[12],[13]   193 [3],[11],[12],[13]   90 [6],[7],[8],[9]  
Investment, Identifier [Axis]: GMF Parent, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,143 [3],[11],[12],[13]   2,143 [3],[11],[12],[13]   2,200 [6],[7],[8],[9]  
Cost   2,197 [3],[11],[12],[13]   2,197 [3],[11],[12],[13]   2,200 [6],[7],[8],[9]  
Investment, Identifier [Axis]: GMF Parent, Inc. | LLC Units              
Schedule of Investments [Line Items]              
Fair value   113 [3],[10]   113 [3],[10]   138 [6],[14]  
Cost   138 [3],[10]   138 [3],[10]   138 [6],[14]  
Investment, Identifier [Axis]: GMF Parent, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   97 [3],[11],[12],[13]   97 [3],[11],[12],[13]   (5) [6],[7],[8],[9]  
Cost   106 [3],[11],[12],[13]   106 [3],[11],[12],[13]   (5) [6],[7],[8],[9]  
Investment, Identifier [Axis]: GPNZ II GmbH | Common Stock              
Schedule of Investments [Line Items]              
Fair value   0 [2],[3],[10]   0 [2],[3],[10]   0 [5],[6],[14]  
Cost   0 [2],[3],[10]   0 [2],[3],[10]   0 [5],[6],[14]  
Investment, Identifier [Axis]: GPNZ II GmbH | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   0 [2],[3],[12],[20],[41]   0 [2],[3],[12],[20],[41]   239 [5],[6],[7]  
Cost   444 [2],[3],[12],[20],[41]   444 [2],[3],[12],[20],[41]   477 [5],[6],[7]  
Investment, Identifier [Axis]: GPNZ II GmbH | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   0 [2],[3],[20]   0 [2],[3],[20]   0 [5],[6],[9],[21],[33]  
Cost   566 [2],[3],[20]   566 [2],[3],[20]   444 [5],[6],[9],[21],[33]  
Investment, Identifier [Axis]: Global Academic Group Limited | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   2,814 [2],[3],[12],[30]   2,814 [2],[3],[12],[30]   2,697 [5],[6],[9],[31]  
Cost   2,782 [2],[3],[12],[30]   2,782 [2],[3],[12],[30]   2,769 [5],[6],[9],[31]  
Investment, Identifier [Axis]: Global Academic Group Limited | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   620 [2],[3],[12],[42]   620 [2],[3],[12],[42]   632 [5],[6],[9],[43]  
Cost   673 [2],[3],[12],[42]   673 [2],[3],[12],[42]   670 [5],[6],[9],[43]  
Investment, Identifier [Axis]: Gojo Industries, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[8],[9]           12,474  
Cost [6],[8],[9]           12,244  
Investment, Identifier [Axis]: Greenhill II BV | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,704 [2],[3],[12],[13],[16]   1,704 [2],[3],[12],[13],[16]   1,762 [5],[6],[7],[9],[17]  
Cost   1,586 [2],[3],[12],[13],[16]   1,586 [2],[3],[12],[13],[16]   1,579 [5],[6],[7],[9],[17]  
Investment, Identifier [Axis]: Groupe Guemas | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   5,092 [2],[3],[12],[23]   5,092 [2],[3],[12],[23]   5,434 [5],[6],[9],[24]  
Cost   4,853 [2],[3],[12],[23]   4,853 [2],[3],[12],[23]   4,838 [5],[6],[9],[24]  
Investment, Identifier [Axis]: Groupe Product Life | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   417 [2],[3],[12],[13],[16]   417 [2],[3],[12],[13],[16]   447 [5],[6],[7],[9],[17]  
Cost   491 [2],[3],[12],[13],[16]   491 [2],[3],[12],[13],[16]   467 [5],[6],[7],[9],[17]  
Investment, Identifier [Axis]: HEKA Invest | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,890 [2],[3],[12],[16]   4,890 [2],[3],[12],[16]   5,501 [5],[6],[9],[17]  
Cost   4,577 [2],[3],[12],[16]   4,577 [2],[3],[12],[16]   4,525 [5],[6],[9],[17]  
Investment, Identifier [Axis]: HS Advisory Buyer LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,312 [3],[11],[12],[13]   2,312 [3],[11],[12],[13]   2,231 [6],[7],[8],[9]  
Cost   2,313 [3],[11],[12],[13]   2,313 [3],[11],[12],[13]   2,223 [6],[7],[8],[9]  
Investment, Identifier [Axis]: HS Advisory Buyer LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   273 [3],[11],[12],[13]   273 [3],[11],[12],[13]   (6) [6],[7],[8],[9]  
Cost   274 [3],[11],[12],[13]   274 [3],[11],[12],[13]   (8) [6],[7],[8],[9]  
Investment, Identifier [Axis]: HSL Compliance | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   3,864 [2],[3],[12],[13],[22]   3,864 [2],[3],[12],[13],[22]   3,061 [5],[6],[7],[9],[26]  
Cost   3,763 [2],[3],[12],[13],[22]   3,763 [2],[3],[12],[13],[22]   2,932 [5],[6],[7],[9],[26]  
Investment, Identifier [Axis]: HTI Technology & Industries | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   10,978 [3],[11],[12],[13]   10,978 [3],[11],[12],[13]   10,394 [6],[7],[8],[9]  
Cost   11,060 [3],[11],[12],[13]   11,060 [3],[11],[12],[13]   11,086 [6],[7],[8],[9]  
Investment, Identifier [Axis]: HTI Technology & Industries | Revolver              
Schedule of Investments [Line Items]              
Fair value   (7) [3],[11],[12],[13]   (7) [3],[11],[12],[13]   (72) [6],[7],[8],[9]  
Cost   (2) [3],[11],[12],[13]   (2) [3],[11],[12],[13]   (1) [6],[7],[8],[9]  
Investment, Identifier [Axis]: HW Holdco, LLC (Hanley Wood LLC) | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[8],[9]           10,132  
Cost [6],[8],[9]           10,116  
Investment, Identifier [Axis]: Hawksford Trustees Jersey LTD | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [2],[3],[11],[12]   2,054   2,054      
Cost [2],[3],[11],[12]   2,055   2,055      
Investment, Identifier [Axis]: Hawksford Trustees Jersey LTD | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[16]   1,911   1,911      
Cost [2],[3],[12],[16]   1,931   1,931      
Investment, Identifier [Axis]: Hawksford Trustees Jersey LTD | First Lien Senior Secured Term Loan 3              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[13],[22]   1,288   1,288      
Cost [2],[3],[12],[13],[22]   1,297   1,297      
Investment, Identifier [Axis]: Haystack Holdings LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   8,593 [3],[12],[13],[25]   8,593 [3],[12],[13],[25]   6,566 [6],[7],[9],[28]  
Cost   8,757 [3],[12],[13],[25]   8,757 [3],[12],[13],[25]   6,501 [6],[7],[9],[28]  
Investment, Identifier [Axis]: Haystack Holdings LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   (28) [3],[12],[13],[25]   (28) [3],[12],[13],[25]   (1) [6],[7],[9],[28]  
Cost   (6) [3],[12],[13],[25]   (6) [3],[12],[13],[25]   (10) [6],[7],[9],[28]  
Investment, Identifier [Axis]: HeartHealth Bidco Pty Ltd | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   880 [2],[3],[12],[13],[30]   880 [2],[3],[12],[13],[30]   714 [5],[6],[7],[9],[31]  
Cost   817 [2],[3],[12],[13],[30]   817 [2],[3],[12],[13],[30]   771 [5],[6],[7],[9],[31]  
Investment, Identifier [Axis]: Heartland Veterinary Partners, LLC | Subordinated Term Loan              
Schedule of Investments [Line Items]              
Fair value   16,018 [3]   16,018 [3]   14,690 [6]  
Cost   16,879 [3]   16,879 [3]   15,507 [6]  
Investment, Identifier [Axis]: Heavy Construction Systems Specialists, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[8],[9]           7,147  
Cost [6],[8],[9]           7,092  
Investment, Identifier [Axis]: Heavy Construction Systems Specialists, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [6],[7],[8],[9]           0  
Cost [6],[7],[8],[9]           (17)  
Investment, Identifier [Axis]: Heilbron (f/k/a Sucsez (Bolt Bidco B.V.)) | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   3,416 [2],[3],[12],[41]   3,416 [2],[3],[12],[41]   3,521 [5],[6],[9],[24]  
Cost   3,676 [2],[3],[12],[41]   3,676 [2],[3],[12],[41]   3,676 [5],[6],[9],[24]  
Investment, Identifier [Axis]: HemaSource, Inc. | Common Stock              
Schedule of Investments [Line Items]              
Fair value   166 [3],[10]   166 [3],[10]   141 [6],[14]  
Cost   101 [3],[10]   101 [3],[10]   101 [6],[14]  
Investment, Identifier [Axis]: HemaSource, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,476 [3],[12],[13],[18]   2,476 [3],[12],[13],[18]   2,467 [6],[7],[9],[19]  
Cost   2,442 [3],[12],[13],[18]   2,442 [3],[12],[13],[18]   2,449 [6],[7],[9],[19]  
Investment, Identifier [Axis]: HemaSource, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   0 [3],[12],[13],[18]   0 [3],[12],[13],[18]   (18) [6],[7],[9],[19]  
Cost   (22) [3],[12],[13],[18]   (22) [3],[12],[13],[18]   (28) [6],[7],[9],[19]  
Investment, Identifier [Axis]: Herbalife Ltd. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [5],[9],[19]           3,209  
Cost [5],[9],[19]           3,010  
Investment, Identifier [Axis]: High Street Buyer Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   506 [3],[11],[12],[13]   506 [3],[11],[12],[13]   188 [6],[7],[8],[9]  
Cost   507 [3],[11],[12],[13]   507 [3],[11],[12],[13]   188 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Home Care Assistance, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   3,156 [3],[12],[25]   3,156 [3],[12],[25]   3,225 [6],[8],[9]  
Cost   3,743 [3],[12],[25]   3,743 [3],[12],[25]   3,721 [6],[8],[9]  
Investment, Identifier [Axis]: HomeX Services Group LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,050 [3],[12],[18]   2,050 [3],[12],[18]   1,899 [6],[7],[9],[19]  
Cost   2,092 [3],[12],[18]   2,092 [3],[12],[18]   1,882 [6],[7],[9],[19]  
Investment, Identifier [Axis]: HomeX Services Group LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   82 [3],[12],[13],[18]   82 [3],[12],[13],[18]   32 [6],[7],[9],[19]  
Cost   89 [3],[12],[13],[18]   89 [3],[12],[13],[18]   29 [6],[7],[9],[19]  
Investment, Identifier [Axis]: Honour Lane Logistics Holdings Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   6,467 [2],[3],[12],[18]   6,467 [2],[3],[12],[18]   6,667 [5],[6],[8],[9]  
Cost   6,598 [2],[3],[12],[18]   6,598 [2],[3],[12],[18]   6,573 [5],[6],[8],[9]  
Investment, Identifier [Axis]: Hydratech Holdings, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[7],[8],[9]           8,922  
Cost [6],[7],[8],[9]           8,934  
Investment, Identifier [Axis]: Hydratech Holdings, Inc. | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   8,854   8,854      
Cost [3],[11],[12],[13]   8,901   8,901      
Investment, Identifier [Axis]: Hydratech Holdings, Inc. | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   1,010   1,010      
Cost [3],[11],[12],[13]   1,010   1,010      
Investment, Identifier [Axis]: Hydratech Holdings, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   751 [3],[11],[12],[13]   751 [3],[11],[12],[13]   671 [6],[7],[8],[9]  
Cost   757 [3],[11],[12],[13]   757 [3],[11],[12],[13]   672 [6],[7],[8],[9]  
Investment, Identifier [Axis]: ICREDITWORKS LLC | Preferred Stock              
Schedule of Investments [Line Items]              
Fair value [6]           10,842  
Cost [6]           10,835  
Investment, Identifier [Axis]: ICREDITWORKS LLC | Warrants              
Schedule of Investments [Line Items]              
Fair value [6],[14]           0  
Cost [6],[14]           0  
Investment, Identifier [Axis]: IM Square | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,760 [2],[3],[12],[13],[16]   1,760 [2],[3],[12],[13],[16]   2,916 [5],[6],[9],[17]  
Cost   1,858 [2],[3],[12],[13],[16]   1,858 [2],[3],[12],[13],[16]   2,971 [5],[6],[9],[17]  
Investment, Identifier [Axis]: IMS Services Enterprises, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[12],[13],[25]   8,405   8,405      
Cost [3],[12],[13],[25]   8,394   8,394      
Investment, Identifier [Axis]: IMS Services Enterprises, LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value [3],[10]   320   320      
Cost [3],[10]   294   294      
Investment, Identifier [Axis]: IMS Services Enterprises, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[12],[13],[25]   164   164      
Cost [3],[12],[13],[25]   162   162      
Investment, Identifier [Axis]: ITI Intermodal, Inc. | Common Stock              
Schedule of Investments [Line Items]              
Fair value   900 [3],[10]   900 [3],[10]   961 [6],[14]  
Cost   750 [3],[10]   750 [3],[10]   750 [6],[14]  
Investment, Identifier [Axis]: ITI Intermodal, Inc. | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   11,770 [3],[11],[12]   11,770 [3],[11],[12]   11,955 [6],[8],[9]  
Cost   11,672 [3],[11],[12]   11,672 [3],[11],[12]   11,799 [6],[8],[9]  
Investment, Identifier [Axis]: ITI Intermodal, Inc. | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   780 [3],[11],[12]   780 [3],[11],[12]   793 [6],[8],[9]  
Cost   777 [3],[11],[12]   777 [3],[11],[12]   787 [6],[8],[9]  
Investment, Identifier [Axis]: ITI Intermodal, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   225 [3],[11],[12],[13]   225 [3],[11],[12],[13]   226 [6],[7],[8],[9]  
Cost   217 [3],[11],[12],[13]   217 [3],[11],[12],[13]   211 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Ice House America, L.L.C. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,463 [3],[11],[12],[13]   4,463 [3],[11],[12],[13]   4,312 [6],[7],[8],[9]  
Cost   4,512 [3],[11],[12],[13]   4,512 [3],[11],[12],[13]   4,499 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Ice House America, L.L.C. | LLC Units              
Schedule of Investments [Line Items]              
Fair value   212 [3],[10]   212 [3],[10]   174 [6],[14]  
Cost   289 [3],[10]   289 [3],[10]   289 [6],[14]  
Investment, Identifier [Axis]: Ice House America, L.L.C. | Revolver              
Schedule of Investments [Line Items]              
Fair value   81 [3],[11],[12],[13]   81 [3],[11],[12],[13]   356 [6],[7],[8],[9]  
Cost   85 [3],[11],[12],[13]   85 [3],[11],[12],[13]   372 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Immix Buyer, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12]   11,781   11,781      
Cost [3],[11],[12]   11,783   11,783      
Investment, Identifier [Axis]: Immix Buyer, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   (36)   (36)      
Cost [3],[11],[12],[13]   (35)   (35)      
Investment, Identifier [Axis]: Infoniqa Holdings GmbH | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,949 [2],[3],[12],[23]   2,949 [2],[3],[12],[23]   3,086 [5],[6],[9],[24]  
Cost   2,943 [2],[3],[12],[23]   2,943 [2],[3],[12],[23]   2,934 [5],[6],[9],[24]  
Investment, Identifier [Axis]: Innovad Group II BV | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [5],[6],[9],[17]           7,239  
Cost [5],[6],[9],[17]           7,142  
Investment, Identifier [Axis]: Innovad Group II BV | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [5],[6],[9],[44]           1,157  
Cost [5],[6],[9],[44]           1,019  
Investment, Identifier [Axis]: Integrated Precision Systems, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[12],[13],[18]   6,820   6,820      
Cost [3],[12],[13],[18]   6,814   6,814      
Investment, Identifier [Axis]: Integrated Precision Systems, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[12],[13],[18]   360   360      
Cost [3],[12],[13],[18]   359   359      
Investment, Identifier [Axis]: International Fleet Financing No.2 B.V. | Class C Senior Secured Note              
Schedule of Investments [Line Items]              
Fair value [5],[6],[7]           8,275  
Cost [5],[6],[7]           8,398  
Investment, Identifier [Axis]: International Fleet Financing No.2 B.V. | Revolver              
Schedule of Investments [Line Items]              
Fair value [2],[3],[13]   8,678   8,678      
Cost [2],[3],[13]   8,964   8,964      
Investment, Identifier [Axis]: Interstellar Group B.V. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,719 [2],[3],[12],[16]   1,719 [2],[3],[12],[16]   1,637 [5],[6],[7],[9],[17]  
Cost   1,657 [2],[3],[12],[16]   1,657 [2],[3],[12],[16]   1,630 [5],[6],[7],[9],[17]  
Investment, Identifier [Axis]: InvoCare Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,243 [2],[3],[12],[13],[30]   2,243 [2],[3],[12],[13],[30]   2,159 [5],[6],[7],[9],[31]  
Cost   2,085 [2],[3],[12],[13],[30]   2,085 [2],[3],[12],[13],[30]   2,072 [5],[6],[7],[9],[31]  
Investment, Identifier [Axis]: Isolstar Holding NV (IPCOM) | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   5,669 [2],[3],[12],[16]   5,669 [2],[3],[12],[16]   5,788 [5],[6],[9],[17]  
Cost   4,873 [2],[3],[12],[16]   4,873 [2],[3],[12],[16]   4,857 [5],[6],[9],[17]  
Investment, Identifier [Axis]: Jade Bidco Limited (Jane's) | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [5],[6],[9],[24]           1,263  
Cost [5],[6],[9],[24]           1,159  
Investment, Identifier [Axis]: Jade Bidco Limited (Jane's) | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [5],[6],[9],[28]           6,526  
Cost [5],[6],[9],[28]           6,460  
Investment, Identifier [Axis]: Jocassee Partners LLC | 9.1% Member Interest              
Schedule of Investments [Line Items]              
Fair value   31,159 [2],[13],[39],[45]   31,159 [2],[13],[39],[45]   37,986 [5],[7],[35],[46]  
Cost   35,158 [2],[13],[39],[45]   35,158 [2],[13],[39],[45]   35,158 [5],[7],[35],[46]  
Investment, Identifier [Axis]: Jocassee Partners LLC, Member Interest              
Schedule of Investments [Line Items]              
Fair value           37,986 40,761
Investment, Identifier [Axis]: Jon Bidco Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,420 [2],[3],[12],[13],[42]   2,420 [2],[3],[12],[13],[42]   1,533 [5],[6],[7],[9],[43]  
Cost   2,670 [2],[3],[12],[13],[42]   2,670 [2],[3],[12],[13],[42]   1,720 [5],[6],[7],[9],[43]  
Investment, Identifier [Axis]: KAMC Holdings Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   5,200 [3],[11],[12]   5,200 [3],[11],[12]   5,364 [6],[8],[9]  
Cost   5,325 [3],[11],[12]   5,325 [3],[11],[12]   5,357 [6],[8],[9]  
Investment, Identifier [Axis]: KAMC Holdings Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   69 [3],[11],[12],[13]   69 [3],[11],[12],[13]   157 [6],[7],[8],[9]  
Cost   84 [3],[11],[12],[13]   84 [3],[11],[12],[13]   156 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Kanawha Scales & Systems, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   445 [3],[11],[12],[13]   445 [3],[11],[12],[13]   415 [6],[7],[8],[9]  
Cost   443 [3],[11],[12],[13]   443 [3],[11],[12],[13]   416 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Kanawha Scales & Systems, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   34 [3],[11],[12],[13]   34 [3],[11],[12],[13]   24 [6],[7],[8],[9]  
Cost   34 [3],[11],[12],[13]   34 [3],[11],[12],[13]   24 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Keystone Bidco B.V. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   893 [2],[3],[12],[13],[23]   893 [2],[3],[12],[13],[23]   931 [5],[6],[7],[9],[24]  
Cost   876 [2],[3],[12],[13],[23]   876 [2],[3],[12],[13],[23]   862 [5],[6],[7],[9],[24]  
Investment, Identifier [Axis]: Keystone Bidco B.V. | Revolver              
Schedule of Investments [Line Items]              
Fair value [5],[6],[7],[9],[24]           11  
Cost [5],[6],[7],[9],[24]           9  
Investment, Identifier [Axis]: Kid Distro Holdings, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[9],[28]           13,020  
Cost [6],[9],[28]           12,959  
Investment, Identifier [Axis]: Kid Distro Holdings, LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   1,039 [3],[10]   1,039 [3],[10]   791 [6],[14]  
Cost   638 [3],[10]   638 [3],[10]   638 [6],[14]  
Investment, Identifier [Axis]: Kite Topco Ltd | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[13],[29]   2,675   2,675      
Cost [2],[3],[12],[13],[29]   2,705   2,705      
Investment, Identifier [Axis]: L.A. Specialty Produce Co., LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   6,265   6,265      
Cost [3],[11],[12],[13]   6,256   6,256      
Investment, Identifier [Axis]: L.A. Specialty Produce Co., LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   (9)   (9)      
Cost [3],[11],[12],[13]   (10)   (10)      
Investment, Identifier [Axis]: LHS Borrower, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   8,677 [3],[12],[18]   8,677 [3],[12],[18]   9,019 [6],[9],[19]  
Cost   8,922 [3],[12],[18]   8,922 [3],[12],[18]   9,010 [6],[9],[19]  
Investment, Identifier [Axis]: LHS Borrower, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   181 [3],[12],[13],[18]   181 [3],[12],[13],[18]   88 [6],[7],[9],[19]  
Cost   204 [3],[12],[13],[18]   204 [3],[12],[13],[18]   87 [6],[7],[9],[19]  
Investment, Identifier [Axis]: Lambir Bidco Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,172 [2],[3],[12],[23]   2,172 [2],[3],[12],[23]   2,327 [5],[6],[7],[9],[24]  
Cost   2,284 [2],[3],[12],[23]   2,284 [2],[3],[12],[23]   2,275 [5],[6],[7],[9],[24]  
Investment, Identifier [Axis]: Lambir Bidco Limited | Second Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,061 [2],[3]   2,061 [2],[3]   2,164 [5],[6]  
Cost   2,358 [2],[3]   2,358 [2],[3]   2,213 [5],[6]  
Investment, Identifier [Axis]: Lattice Group Holdings Bidco Limited | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   683 [2],[3],[12],[13],[25]   683 [2],[3],[12],[13],[25]   731 [5],[6],[7],[9],[28]  
Cost   721 [2],[3],[12],[13],[25]   721 [2],[3],[12],[13],[25]   716 [5],[6],[7],[9],[28]  
Investment, Identifier [Axis]: Lattice Group Holdings Bidco Limited | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   206 [2],[3],[12],[29]   206 [2],[3],[12],[29]   154 [5],[6],[9],[27]  
Cost   216 [2],[3],[12],[29]   216 [2],[3],[12],[29]   155 [5],[6],[9],[27]  
Investment, Identifier [Axis]: Lattice Group Holdings Bidco Limited | Revolver              
Schedule of Investments [Line Items]              
Fair value   (1) [2],[3],[12],[13],[25]   (1) [2],[3],[12],[13],[25]   18 [5],[6],[7],[9],[28]  
Cost   0 [2],[3],[12],[13],[25]   0 [2],[3],[12],[13],[25]   17 [5],[6],[7],[9],[28]  
Investment, Identifier [Axis]: LeadsOnline, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   9,851 [3],[11],[12]   9,851 [3],[11],[12]   9,915 [6],[8],[9]  
Cost   9,844 [3],[11],[12]   9,844 [3],[11],[12]   9,896 [6],[8],[9]  
Investment, Identifier [Axis]: LeadsOnline, LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   199 [3]   199 [3]   216 [6]  
Cost   85 [3]   85 [3]   85 [6]  
Investment, Identifier [Axis]: LeadsOnline, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   (10) [3],[11],[12],[13]   (10) [3],[11],[12],[13]   (13) [6],[7],[8],[9]  
Cost   (11) [3],[11],[12],[13]   (11) [3],[11],[12],[13]   (16) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Lido Purchaser, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[12],[13],[18]   4,247   4,247      
Cost [3],[12],[13],[18]   4,243   4,243      
Investment, Identifier [Axis]: Lifestyle Intermediate II, LLC | Class A Common Units              
Schedule of Investments [Line Items]              
Fair value   0 [3],[10],[47]   0 [3],[10],[47]   0 [6],[14],[15]  
Cost   0 [3],[10],[47]   0 [3],[10],[47]   0 [6],[14],[15]  
Investment, Identifier [Axis]: Lifestyle Intermediate II, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,019 [3],[11],[12],[47]   2,019 [3],[11],[12],[47]   2,094 [6],[8],[9],[15]  
Cost   2,871 [3],[11],[12],[47]   2,871 [3],[11],[12],[47]   2,895 [6],[8],[9],[15]  
Investment, Identifier [Axis]: Lighthouse Finco SARL | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[16]   695   695      
Cost [2],[3],[12],[16]   722   722      
Investment, Identifier [Axis]: Lighthouse Finco SARL | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[13],[22]   1,635   1,635      
Cost [2],[3],[12],[13],[22]   1,659   1,659      
Investment, Identifier [Axis]: Lockmasters Security Intermediate, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   3,215 [3],[11],[12],[13]   3,215 [3],[11],[12],[13]   3,199 [6],[7],[8],[9]  
Cost   3,201 [3],[11],[12],[13]   3,201 [3],[11],[12],[13]   3,199 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Lockmasters Security Intermediate, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   0 [3],[11],[12],[13]   0 [3],[11],[12],[13]   (5) [6],[7],[8],[9]  
Cost   (3) [3],[11],[12],[13]   (3) [3],[11],[12],[13]   (5) [6],[7],[8],[9]  
Investment, Identifier [Axis]: London Buyer, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   11,371   11,371      
Cost [3],[11],[12],[13]   11,364   11,364      
Investment, Identifier [Axis]: London Buyer, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   (20)   (20)      
Cost [3],[11],[12],[13]   (22)   (22)      
Investment, Identifier [Axis]: Long Term Care Group, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   8,458 [3],[11],[12]   8,458 [3],[11],[12]   8,464 [6],[8],[9]  
Cost   8,668 [3],[11],[12]   8,668 [3],[11],[12]   8,706 [6],[8],[9]  
Investment, Identifier [Axis]: M-Personal Protection Management GmbH | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,003 [2],[3],[12],[16]   4,003 [2],[3],[12],[16]   4,139 [5],[6],[9],[17]  
Cost   3,799 [2],[3],[12],[16]   3,799 [2],[3],[12],[16]   3,773 [5],[6],[9],[17]  
Investment, Identifier [Axis]: MB Purchaser, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   6,431 [3],[12],[18]   6,431 [3],[12],[18]   3,771 [6],[7],[9],[19]  
Cost   6,437 [3],[12],[18]   6,437 [3],[12],[18]   3,766 [6],[7],[9],[19]  
Investment, Identifier [Axis]: MB Purchaser, LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   106 [3],[10]   106 [3],[10]   78 [6],[14]  
Cost   68 [3],[10]   68 [3],[10]   68 [6],[14]  
Investment, Identifier [Axis]: MB Purchaser, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   (8) [3],[12],[13],[18]   (8) [3],[12],[13],[18]   (8) [6],[7],[9],[19]  
Cost   (7) [3],[12],[13],[18]   (7) [3],[12],[13],[18]   (8) [6],[7],[9],[19]  
Investment, Identifier [Axis]: MC Group Ventures Corporation | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   5,265 [3],[11],[12]   5,265 [3],[11],[12]   4,829 [6],[7],[8],[9]  
Cost   5,649 [3],[11],[12]   5,649 [3],[11],[12]   5,004 [6],[7],[8],[9]  
Investment, Identifier [Axis]: MC Group Ventures Corporation | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   4,006 [3],[11],[12]   4,006 [3],[11],[12]   4,236 [6],[7],[8],[9]  
Cost   4,276 [3],[11],[12]   4,276 [3],[11],[12]   4,296 [6],[7],[8],[9]  
Investment, Identifier [Axis]: MC Group Ventures Corporation | Partnership Units              
Schedule of Investments [Line Items]              
Fair value   301 [3],[10]   301 [3],[10]   706 [6],[14]  
Cost   747 [3],[10]   747 [3],[10]   747 [6],[14]  
Investment, Identifier [Axis]: MC Group Ventures Corporation | Preferred Stock              
Schedule of Investments [Line Items]              
Fair value [3],[10]   41   41      
Cost [3],[10]   45   45      
Investment, Identifier [Axis]: MIV Buyer, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   3,276 [3],[11],[12],[13]   3,276 [3],[11],[12],[13]   3,024 [6],[7],[8],[9]  
Cost   3,265 [3],[11],[12],[13]   3,265 [3],[11],[12],[13]   3,021 [6],[7],[8],[9]  
Investment, Identifier [Axis]: MIV Buyer, LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   95 [3],[10]   95 [3],[10]   102 [6],[14]  
Cost   101 [3],[10]   101 [3],[10]   101 [6],[14]  
Investment, Identifier [Axis]: MIV Buyer, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   (4) [3],[11],[12],[13]   (4) [3],[11],[12],[13]   174 [6],[7],[8],[9]  
Cost   (5) [3],[11],[12],[13]   (5) [3],[11],[12],[13]   174 [6],[7],[8],[9]  
Investment, Identifier [Axis]: MNS Buyer, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[9],[19]           268  
Cost [6],[9],[19]           267  
Investment, Identifier [Axis]: MNS Buyer, Inc. | Partnership Units              
Schedule of Investments [Line Items]              
Fair value [6],[14]           186  
Cost [6],[14]           77  
Investment, Identifier [Axis]: MSI Express Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,110 [3],[11],[12]   2,110 [3],[11],[12]   2,205 [6],[9],[19]  
Cost   2,194 [3],[11],[12]   2,194 [3],[11],[12]   2,209 [6],[9],[19]  
Investment, Identifier [Axis]: MSI Express Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   1,697 [3],[11],[12],[13]   1,697 [3],[11],[12],[13]   1,291 [6],[7],[8],[9]  
Cost   1,724 [3],[11],[12],[13]   1,724 [3],[11],[12],[13]   1,296 [6],[7],[8],[9]  
Investment, Identifier [Axis]: MVC Automotive Group GmbH | Common Equity Interest              
Schedule of Investments [Line Items]              
Fair value   8,540 [2],[3],[10]   8,540 [2],[3],[10]   14,143 [5],[6],[14],[48],[49] 13,741
Cost   23,173 [2],[3],[10]   23,173 [2],[3],[10]   23,173 [5],[6],[14],[48],[49]  
Investment, Identifier [Axis]: MVC Automotive Group GmbH | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value           0 0
Investment, Identifier [Axis]: MVC Automotive Group GmbH | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   4,771 [2],[3],[50]   4,771 [2],[3],[50]   0  
Cost [2],[3],[50]   4,833   4,833      
Investment, Identifier [Axis]: MVC Automotive Group GmbH | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   1,705 [2],[3],[12],[16],[50]   1,705 [2],[3],[12],[16],[50]   0  
Cost [2],[3],[12],[16],[50]   1,786   1,786      
Investment, Identifier [Axis]: MVC Private Equity Fund LP | General Partnership Interest(1,831.4 units)              
Schedule of Investments [Line Items]              
Fair value           0 0
Investment, Identifier [Axis]: MVC Private Equity Fund LP | Limited Partnership Interest (71,790.4 units)              
Schedule of Investments [Line Items]              
Fair value           0 11
Investment, Identifier [Axis]: Magnetite XIX, Limited | Subordinated Notes              
Schedule of Investments [Line Items]              
Fair value   4,773 [2],[11],[12]   4,773 [2],[11],[12]   5,043 [5],[8],[9]  
Cost   5,250 [2],[11],[12]   5,250 [2],[11],[12]   5,250 [5],[8],[9]  
Investment, Identifier [Axis]: Maia Bidco Limited | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   2,156 [2],[3],[11],[12]   2,156 [2],[3],[11],[12]   2,464 [5],[6],[8],[9]  
Cost   2,149 [2],[3],[11],[12]   2,149 [2],[3],[11],[12]   2,465 [5],[6],[8],[9]  
Investment, Identifier [Axis]: Maia Bidco Limited | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   726 [2],[3],[12],[13],[22]   726 [2],[3],[12],[13],[22]   846 [5],[6],[7],[9],[26]  
Cost   725 [2],[3],[12],[13],[22]   725 [2],[3],[12],[13],[22]   843 [5],[6],[7],[9],[26]  
Investment, Identifier [Axis]: Maia Bidco Limited | Revolver              
Schedule of Investments [Line Items]              
Fair value [5],[6],[7],[9],[26]           0  
Cost [5],[6],[7],[9],[26]           (6)  
Investment, Identifier [Axis]: Main Line Commercial Pools LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   2,030   2,030      
Cost [3],[11],[12],[13]   1,996   1,996      
Investment, Identifier [Axis]: Main Line Commercial Pools LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   (2)   (2)      
Cost [3],[11],[12],[13]   (7)   (7)      
Investment, Identifier [Axis]: Markerstudy Group Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[29]   4,875   4,875      
Cost [2],[3],[12],[29]   4,895   4,895      
Investment, Identifier [Axis]: Marmoutier Holding B.V. | Common Stock              
Schedule of Investments [Line Items]              
Fair value   0 [2],[3],[10]   0 [2],[3],[10]   0 [5],[6],[14]  
Cost   0 [2],[3],[10]   0 [2],[3],[10]   0 [5],[6],[14]  
Investment, Identifier [Axis]: Marmoutier Holding B.V. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   164 [2],[3],[12],[13],[23]   164 [2],[3],[12],[13],[23]   63 [5],[6],[7],[9],[24]  
Cost   255 [2],[3],[12],[13],[23]   255 [2],[3],[12],[13],[23]   92 [5],[6],[7],[9],[24]  
Investment, Identifier [Axis]: Marmoutier Holding B.V. | Revolver              
Schedule of Investments [Line Items]              
Fair value   72 [2],[3],[12],[23]   72 [2],[3],[12],[23]   146 [5],[6],[9],[17]  
Cost   173 [2],[3],[12],[23]   173 [2],[3],[12],[23]   157 [5],[6],[9],[17]  
Investment, Identifier [Axis]: Marmoutier Holding B.V. | Super Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   79 [2],[3],[12],[23]   79 [2],[3],[12],[23]   166 [5],[6],[9],[17]  
Cost   193 [2],[3],[12],[23]   193 [2],[3],[12],[23]   184 [5],[6],[9],[17]  
Investment, Identifier [Axis]: Matrix Buyer, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   1,764   1,764      
Cost [3],[11],[12],[13]   1,763   1,763      
Investment, Identifier [Axis]: Matrix Buyer, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   50   50      
Cost [3],[11],[12],[13]   49   49      
Investment, Identifier [Axis]: Media Recovery, Inc. (SpotSee) | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   1,680 [3],[11],[12]   1,680 [3],[11],[12]   3,468 [6],[9],[26]  
Cost   1,662 [3],[11],[12]   1,662 [3],[11],[12]   3,416 [6],[9],[26]  
Investment, Identifier [Axis]: Media Recovery, Inc. (SpotSee) | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   3,425 [3],[12],[51]   3,425 [3],[12],[51]   1,771 [6],[8],[9]  
Cost   3,421 [3],[12],[51]   3,421 [3],[12],[51]   1,750 [6],[8],[9]  
Investment, Identifier [Axis]: Media Recovery, Inc. (SpotSee) | Revolver 1              
Schedule of Investments [Line Items]              
Fair value   0 [3],[11],[12],[13]   0 [3],[11],[12],[13]   0 [6],[7],[8],[9]  
Cost   (6) [3],[11],[12],[13]   (6) [3],[11],[12],[13]   (8) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Media Recovery, Inc. (SpotSee) | Revolver 2              
Schedule of Investments [Line Items]              
Fair value   0 [3],[12],[13],[51]   0 [3],[12],[13],[51]   0 [6],[7],[9],[26]  
Cost   (8) [3],[12],[13],[51]   (8) [3],[12],[13],[51]   (10) [6],[7],[9],[26]  
Investment, Identifier [Axis]: Median B.V. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [5],[9],[26]           9,763  
Cost [5],[9],[26]           9,970  
Investment, Identifier [Axis]: Medical Solutions Parent Holdings, Inc. | Second Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [8],[9]           897  
Cost [8],[9]           4,399  
Investment, Identifier [Axis]: Megawatt Acquisitionco, Inc. | Common Stock              
Schedule of Investments [Line Items]              
Fair value   0 [3],[10]   0 [3],[10]   0 [6],[14]  
Cost   21 [3],[10]   21 [3],[10]   21 [6],[14]  
Investment, Identifier [Axis]: Megawatt Acquisitionco, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,004 [3],[11],[12]   4,004 [3],[11],[12]   4,023 [6],[8],[9]  
Cost   3,955 [3],[11],[12]   3,955 [3],[11],[12]   4,059 [6],[8],[9]  
Investment, Identifier [Axis]: Megawatt Acquisitionco, Inc. | Preferred Stock              
Schedule of Investments [Line Items]              
Fair value   217 [3],[10]   217 [3],[10]   153 [6],[14]  
Cost   184 [3],[10]   184 [3],[10]   184 [6],[14]  
Investment, Identifier [Axis]: Megawatt Acquisitionco, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   150 [3],[11],[12],[13]   150 [3],[11],[12],[13]   (15) [6],[7],[8],[9]  
Cost   142 [3],[11],[12],[13]   142 [3],[11],[12],[13]   (9) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Mercell Holding AS | Class A Units              
Schedule of Investments [Line Items]              
Fair value   72 [2],[3],[10]   72 [2],[3],[10]   123 [5],[6],[14]  
Cost   111 [2],[3],[10]   111 [2],[3],[10]   111 [5],[6],[14]  
Investment, Identifier [Axis]: Mercell Holding AS | Class B Units              
Schedule of Investments [Line Items]              
Fair value   0 [2],[3],[10]   0 [2],[3],[10]   0 [5],[6],[14]  
Cost   0 [2],[3],[10]   0 [2],[3],[10]   0 [5],[6],[14]  
Investment, Identifier [Axis]: Mercell Holding AS | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   3,130 [2],[3],[12],[52]   3,130 [2],[3],[12],[52]   3,098 [5],[6],[7],[9],[53]  
Cost   3,205 [2],[3],[12],[52]   3,205 [2],[3],[12],[52]   3,163 [5],[6],[7],[9],[53]  
Investment, Identifier [Axis]: Merlin Parent Holdings 2026, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[12],[18]   1,939   1,939      
Cost [3],[12],[18]   1,941   1,941      
Investment, Identifier [Axis]: Modern Star Holdings Bidco Pty Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [5],[6],[7],[9],[54]           7,420  
Cost [5],[6],[7],[9],[54]           8,170  
Investment, Identifier [Axis]: Momentum Textiles, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   7,169 [3],[11],[12]   7,169 [3],[11],[12]   7,218 [6],[8],[9]  
Cost   7,171 [3],[11],[12]   7,171 [3],[11],[12]   7,231 [6],[8],[9]  
Investment, Identifier [Axis]: Momentum Textiles, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   (6) [3],[11],[12],[13]   (6) [3],[11],[12],[13]   (9) [6],[7],[8],[9]  
Cost   (6) [3],[11],[12],[13]   (6) [3],[11],[12],[13]   (7) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Moonlight Bidco Limited | Common Stock              
Schedule of Investments [Line Items]              
Fair value   195 [2],[3],[10]   195 [2],[3],[10]   202 [5],[6],[14]  
Cost   138 [2],[3],[10]   138 [2],[3],[10]   138 [5],[6],[14]  
Investment, Identifier [Axis]: Moonlight Bidco Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,261 [2],[3],[12],[13],[22]   2,261 [2],[3],[12],[13],[22]   1,998 [5],[6],[7],[9],[26]  
Cost   2,197 [2],[3],[12],[13],[22]   2,197 [2],[3],[12],[13],[22]   1,894 [5],[6],[7],[9],[26]  
Investment, Identifier [Axis]: Murphy Midco Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,453 [2],[3],[12],[29]   1,453 [2],[3],[12],[29]   1,570 [5],[6],[9],[27]  
Cost   1,730 [2],[3],[12],[29]   1,730 [2],[3],[12],[29]   1,724 [5],[6],[9],[27]  
Investment, Identifier [Axis]: Music Reports, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   6,840 [3],[12],[18]   6,840 [3],[12],[18]   6,791 [6],[8],[9]  
Cost   6,923 [3],[12],[18]   6,923 [3],[12],[18]   6,900 [6],[8],[9]  
Investment, Identifier [Axis]: NAW Buyer LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   15,406 [3],[11],[12],[13]   15,406 [3],[11],[12],[13]   12,816 [6],[7],[8],[9]  
Cost   15,169 [3],[11],[12],[13]   15,169 [3],[11],[12],[13]   12,612 [6],[7],[8],[9]  
Investment, Identifier [Axis]: NAW Buyer LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   846 [3],[10]   846 [3],[10]   595 [6]  
Cost   473 [3],[10]   473 [3],[10]   473 [6]  
Investment, Identifier [Axis]: NAW Buyer LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   0 [3],[11],[12],[13]   0 [3],[11],[12],[13]   (9) [6],[7],[8],[9]  
Cost   (24) [3],[11],[12],[13]   (24) [3],[11],[12],[13]   (29) [6],[7],[8],[9]  
Investment, Identifier [Axis]: NF Holdco, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   5,630 [3],[11],[12]   5,630 [3],[11],[12]   5,921 [6],[8],[9]  
Cost   6,095 [3],[11],[12]   6,095 [3],[11],[12]   6,102 [6],[8],[9]  
Investment, Identifier [Axis]: NF Holdco, LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   96 [3],[10]   96 [3],[10]   224 [6],[14]  
Cost   659 [3],[10]   659 [3],[10]   659 [6],[14]  
Investment, Identifier [Axis]: NF Holdco, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   1,005 [3],[11],[12]   1,005 [3],[11],[12]   422 [6],[7],[8],[9]  
Cost   1,090 [3],[11],[12]   1,090 [3],[11],[12]   457 [6],[7],[8],[9]  
Investment, Identifier [Axis]: NPM Investments 28 B.V. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,314 [2],[3],[12],[13],[16]   2,314 [2],[3],[12],[13],[16]   2,393 [5],[6],[7],[9],[17]  
Cost   2,012 [2],[3],[12],[13],[16]   2,012 [2],[3],[12],[13],[16]   2,004 [5],[6],[7],[9],[17]  
Investment, Identifier [Axis]: Napa Bidco Pty Ltd | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   14,000 [2],[3],[12],[30]   14,000 [2],[3],[12],[30]   13,420 [5],[6],[9],[31]  
Cost   14,390 [2],[3],[12],[30]   14,390 [2],[3],[12],[30]   14,329 [5],[6],[9],[31]  
Investment, Identifier [Axis]: Nationwide Legal Services, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   8,393   8,393      
Cost [3],[11],[12],[13]   8,383   8,383      
Investment, Identifier [Axis]: Nationwide Legal Services, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   (13)   (13)      
Cost [3],[11],[12],[13]   (14)   (14)      
Investment, Identifier [Axis]: NeoxCo | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [5],[6],[9],[24]           2,808  
Cost [5],[6],[9],[24]           2,535  
Investment, Identifier [Axis]: NeoxCo | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[23]   2,205   2,205      
Cost [2],[3],[12],[23]   2,077   2,077      
Investment, Identifier [Axis]: NeoxCo | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[23]   511   511      
Cost [2],[3],[12],[23]   467   467      
Investment, Identifier [Axis]: Next Holdco, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   21,970 [3],[11],[12]   21,970 [3],[11],[12]   22,055 [6],[8],[9]  
Cost   21,797 [3],[11],[12]   21,797 [3],[11],[12]   21,937 [6],[8],[9]  
Investment, Identifier [Axis]: Next Holdco, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   0 [3],[11],[12],[13]   0 [3],[11],[12],[13]   (3) [6],[7],[8],[9]  
Cost   (6) [3],[11],[12],[13]   (6) [3],[11],[12],[13]   (7) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Northstar Recycling, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   12,511 [3],[11],[12]   12,511 [3],[11],[12]   12,490 [6],[8],[9]  
Cost   12,405 [3],[11],[12]   12,405 [3],[11],[12]   12,478 [6],[8],[9]  
Investment, Identifier [Axis]: Northstar Recycling, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   0 [3],[11],[12],[13]   0 [3],[11],[12],[13]   (32) [6],[7],[8],[9]  
Cost   (29) [3],[11],[12],[13]   (29) [3],[11],[12],[13]   (35) [6],[7],[8],[9]  
Investment, Identifier [Axis]: OAC Holdings I Corp | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   3,267 [3],[11],[12]   3,267 [3],[11],[12]   3,285 [6],[8],[9]  
Cost   3,242 [3],[11],[12]   3,242 [3],[11],[12]   3,253 [6],[8],[9]  
Investment, Identifier [Axis]: OAC Holdings I Corp | Revolver              
Schedule of Investments [Line Items]              
Fair value   157 [3],[11],[12],[13]   157 [3],[11],[12],[13]   0 [6],[7],[8],[9]  
Cost   149 [3],[11],[12],[13]   149 [3],[11],[12],[13]   (11) [6],[7],[8],[9]  
Investment, Identifier [Axis]: OG III B.V. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   3,456 [2],[3],[12],[16]   3,456 [2],[3],[12],[16]   3,589 [5],[6],[9],[17]  
Cost   3,716 [2],[3],[12],[16]   3,716 [2],[3],[12],[16]   3,707 [5],[6],[9],[17]  
Investment, Identifier [Axis]: ORS Buyer, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   6,288 [3],[11],[12]   6,288 [3],[11],[12]   4,905 [6],[8],[9]  
Cost   6,266 [3],[11],[12]   6,266 [3],[11],[12]   4,896 [6],[8],[9]  
Investment, Identifier [Axis]: ORS Buyer, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   772   772      
Cost [3],[11],[12],[13]   771   771      
Investment, Identifier [Axis]: ORTEC International Newco B.V. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,038 [2],[3],[12],[16]   1,038 [2],[3],[12],[16]   1,074 [5],[6],[9],[17]  
Cost   981 [2],[3],[12],[16]   981 [2],[3],[12],[16]   979 [5],[6],[9],[17]  
Investment, Identifier [Axis]: OSP AFS Buyer, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   5,997 [3],[11],[12],[13]   5,997 [3],[11],[12],[13]   2,883 [6],[7],[9],[19]  
Cost   5,904 [3],[11],[12],[13]   5,904 [3],[11],[12],[13]   2,886 [6],[7],[9],[19]  
Investment, Identifier [Axis]: OSP AFS Buyer, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   0 [3],[11],[12],[13]   0 [3],[11],[12],[13]   (16) [6],[7],[9],[19]  
Cost   (14) [3],[11],[12],[13]   (14) [3],[11],[12],[13]   (16) [6],[7],[9],[19]  
Investment, Identifier [Axis]: OSP Hamilton Purchaser, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   17,932 [3],[11],[12]   17,932 [3],[11],[12]   18,094 [6],[8],[9]  
Cost   17,981 [3],[11],[12]   17,981 [3],[11],[12]   18,059 [6],[8],[9]  
Investment, Identifier [Axis]: OSP Hamilton Purchaser, LLC | LP Units              
Schedule of Investments [Line Items]              
Fair value   198 [3],[10]   198 [3],[10]   182 [6],[14]  
Cost   174 [3],[10]   174 [3],[10]   174 [6],[14]  
Investment, Identifier [Axis]: OSP Hamilton Purchaser, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   669 [3],[11],[12],[13]   669 [3],[11],[12],[13]   672 [6],[7],[8],[9]  
Cost   676 [3],[11],[12],[13]   676 [3],[11],[12],[13]   669 [6],[7],[8],[9]  
Investment, Identifier [Axis]: OSP Lakeside Intermediate Holdings 2, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,089 [3],[12],[18]   4,089 [3],[12],[18]   4,201 [6],[9],[19]  
Cost   4,179 [3],[12],[18]   4,179 [3],[12],[18]   4,202 [6],[9],[19]  
Investment, Identifier [Axis]: OSP Lakeside Intermediate Holdings 2, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   (25) [3],[12],[13],[18]   (25) [3],[12],[13],[18]   (11) [6],[7],[9],[19]  
Cost   (9) [3],[12],[13],[18]   (9) [3],[12],[13],[18]   (11) [6],[7],[9],[19]  
Investment, Identifier [Axis]: Ocelot Holdco LLC | Common Stock              
Schedule of Investments [Line Items]              
Fair value [6],[14]           2,831  
Cost [6],[14]           0  
Investment, Identifier [Axis]: Ocelot Holdco LLC | Preferred Stock              
Schedule of Investments [Line Items]              
Fair value [6]           2,438  
Cost [6]           1,562  
Investment, Identifier [Axis]: Ocelot Holdco LLC | Takeback Term Loan              
Schedule of Investments [Line Items]              
Fair value [6]           2,933  
Cost [6]           2,933  
Investment, Identifier [Axis]: Ocular Therapeutix, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,606 [2],[3],[12],[18]   4,606 [2],[3],[12],[18]   4,826 [5],[6],[9],[19]  
Cost   3,864 [2],[3],[12],[18]   3,864 [2],[3],[12],[18]   3,850 [5],[6],[9],[19]  
Investment, Identifier [Axis]: Oracle Vision Bidco Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,846 [2],[3],[12],[29]   2,846 [2],[3],[12],[29]   2,925 [5],[6],[9],[27]  
Cost   3,198 [2],[3],[12],[29]   3,198 [2],[3],[12],[29]   3,188 [5],[6],[9],[27]  
Investment, Identifier [Axis]: Origin Bidco Limited | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   336 [2],[3],[12],[16]   336 [2],[3],[12],[16]   345 [5],[6],[9],[17]  
Cost   357 [2],[3],[12],[16]   357 [2],[3],[12],[16]   356 [5],[6],[9],[17]  
Investment, Identifier [Axis]: Origin Bidco Limited | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   533 [2],[3],[11],[12]   533 [2],[3],[11],[12]   529 [5],[6],[8],[9]  
Cost   529 [2],[3],[11],[12]   529 [2],[3],[11],[12]   527 [5],[6],[8],[9]  
Investment, Identifier [Axis]: Owl Intermediate Holdings, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,184 [3],[11],[12],[13]   2,184 [3],[11],[12],[13]   2,345 [6],[7],[8],[9]  
Cost   2,436 [3],[11],[12],[13]   2,436 [3],[11],[12],[13]   2,449 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Owl Intermediate Holdings, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   59 [3],[11],[12],[13]   59 [3],[11],[12],[13]   (86) [6],[7],[8],[9]  
Cost   217 [3],[11],[12],[13]   217 [3],[11],[12],[13]   (20) [6],[7],[8],[9]  
Investment, Identifier [Axis]: PAS Chassis Holdco LLC | Second Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[12],[18]   14,175   14,175      
Cost [3],[12],[18]   14,164   14,164      
Investment, Identifier [Axis]: PDQ.Com Corporation | Class A-2 Partnership Units              
Schedule of Investments [Line Items]              
Fair value   31 [3],[10]   31 [3],[10]   39 [6],[14]  
Cost   14 [3],[10]   14 [3],[10]   14 [6],[14]  
Investment, Identifier [Axis]: PDQ.Com Corporation | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   13,064 [3],[11],[12]   13,064 [3],[11],[12]   13,253 [6],[8],[9]  
Cost   13,137 [3],[11],[12]   13,137 [3],[11],[12]   13,236 [6],[8],[9]  
Investment, Identifier [Axis]: PSP Intermediate 4, LLC | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   926 [2],[3],[12],[16]   926 [2],[3],[12],[16]   960 [5],[6],[9],[17]  
Cost   856 [2],[3],[12],[16]   856 [2],[3],[12],[16]   853 [5],[6],[9],[17]  
Investment, Identifier [Axis]: PSP Intermediate 4, LLC | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   1,407 [2],[3],[11],[12]   1,407 [2],[3],[11],[12]   1,411 [5],[6],[8],[9]  
Cost   1,400 [2],[3],[11],[12]   1,400 [2],[3],[11],[12]   1,397 [5],[6],[8],[9]  
Investment, Identifier [Axis]: Panoche Energy Center LLC | First Lien Senior Secured Bond              
Schedule of Investments [Line Items]              
Fair value   2,347 [3]   2,347 [3]   3,058 [6]  
Cost   2,241 [3]   2,241 [3]   2,887 [6]  
Investment, Identifier [Axis]: Panther Bidco Pty Ltd | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[13],[30]   4,094   4,094      
Cost [2],[3],[12],[13],[30]   4,091   4,091      
Investment, Identifier [Axis]: Pare SAS (SAS Maurice MARLE) | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   2,570 [2],[3],[12],[16]   2,570 [2],[3],[12],[16]   2,537 [5],[6],[9],[17]  
Cost   2,518 [2],[3],[12],[16]   2,518 [2],[3],[12],[16]   2,399 [5],[6],[9],[17]  
Investment, Identifier [Axis]: Pare SAS (SAS Maurice MARLE) | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   1,300 [2],[3],[11],[12]   1,300 [2],[3],[11],[12]   1,200 [5],[6],[8],[9]  
Cost   1,300 [2],[3],[11],[12]   1,300 [2],[3],[11],[12]   1,200 [5],[6],[8],[9]  
Investment, Identifier [Axis]: Parkview Dental Holdings LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[12],[18]   619   619      
Cost [3],[12],[18]   617   617      
Investment, Identifier [Axis]: Parkview Dental Holdings LLC | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [6],[9],[19]           29  
Cost [6],[9],[19]           29  
Investment, Identifier [Axis]: Parkview Dental Holdings LLC | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [6],[9],[19]           592  
Cost [6],[9],[19]           587  
Investment, Identifier [Axis]: Parkview Dental Holdings LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   196 [3],[10]   196 [3],[10]   227 [6],[14]  
Cost   298 [3],[10]   298 [3],[10]   298 [6],[14]  
Investment, Identifier [Axis]: Parkview Dental Holdings LLC | Preferred Stock              
Schedule of Investments [Line Items]              
Fair value   39 [3]   39 [3]   38 [6]  
Cost   13 [3]   13 [3]   13 [6]  
Investment, Identifier [Axis]: Patriot New Midco 1 Limited (Forensic Risk Alliance) | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [5],[6],[9],[17]           2,115  
Cost [5],[6],[9],[17]           1,959  
Investment, Identifier [Axis]: Patriot New Midco 1 Limited (Forensic Risk Alliance) | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [5],[6],[8],[9]           2,397  
Cost [5],[6],[8],[9]           2,391  
Investment, Identifier [Axis]: Pepper Bidco Pty Ltd | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[13],[30]   1,792   1,792      
Cost [2],[3],[12],[13],[30]   1,830   1,830      
Investment, Identifier [Axis]: Perimeter Master Note Business Trust | Structured Secured Note - Class A              
Schedule of Investments [Line Items]              
Fair value   180 [2],[3]   180 [2],[3]   181 [5],[6]  
Cost   182 [2],[3]   182 [2],[3]   182 [5],[6]  
Investment, Identifier [Axis]: Perimeter Master Note Business Trust | Structured Secured Note - Class B              
Schedule of Investments [Line Items]              
Fair value   180 [2],[3]   180 [2],[3]   181 [5],[6]  
Cost   182 [2],[3]   182 [2],[3]   182 [5],[6]  
Investment, Identifier [Axis]: Perimeter Master Note Business Trust | Structured Secured Note - Class C              
Schedule of Investments [Line Items]              
Fair value   180 [2],[3]   180 [2],[3]   181 [5],[6]  
Cost   182 [2],[3]   182 [2],[3]   182 [5],[6]  
Investment, Identifier [Axis]: Perimeter Master Note Business Trust | Structured Secured Note - Class D              
Schedule of Investments [Line Items]              
Fair value   181 [2],[3]   181 [2],[3]   181 [5],[6]  
Cost   182 [2],[3]   182 [2],[3]   182 [5],[6]  
Investment, Identifier [Axis]: Perimeter Master Note Business Trust | Structured Secured Note - Class E              
Schedule of Investments [Line Items]              
Fair value   9,240 [2],[3]   9,240 [2],[3]   9,132 [5],[6]  
Cost   9,274 [2],[3]   9,274 [2],[3]   9,274 [5],[6]  
Investment, Identifier [Axis]: Permaconn BidCo Pty Ltd | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,850 [2],[3],[12],[30]   2,850 [2],[3],[12],[30]   2,732 [5],[6],[9],[31]  
Cost   2,726 [2],[3],[12],[30]   2,726 [2],[3],[12],[30]   2,719 [5],[6],[9],[31]  
Investment, Identifier [Axis]: Petrus Buyer Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[12],[13],[18]   2,738   2,738      
Cost [3],[12],[13],[18]   2,739   2,739      
Investment, Identifier [Axis]: Pinion Holdings Limited | Preferred Stock              
Schedule of Investments [Line Items]              
Fair value [2],[3]   460   460      
Cost [2],[3]   460   460      
Investment, Identifier [Axis]: Polara Enterprises, L.L.C. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   935 [3],[11],[12]   935 [3],[11],[12]   944 [6],[8],[9]  
Cost   931 [3],[11],[12]   931 [3],[11],[12]   938 [6],[8],[9]  
Investment, Identifier [Axis]: Polara Enterprises, L.L.C. | Partnership Units              
Schedule of Investments [Line Items]              
Fair value   3,456 [3]   3,456 [3]   1,974 [6]  
Cost   741 [3]   741 [3]   741 [6]  
Investment, Identifier [Axis]: Polara Enterprises, L.L.C. | Revolver              
Schedule of Investments [Line Items]              
Fair value   0 [3],[11],[12],[13]   0 [3],[11],[12],[13]   316 [6],[7],[8],[9]  
Cost   (5) [3],[11],[12],[13]   (5) [3],[11],[12],[13]   307 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Policy Services Company, LLC | Class A Units              
Schedule of Investments [Line Items]              
Fair value   0 [3],[10],[39]   0 [3],[10],[39]   0  
Cost [3],[10],[39]   0   0      
Investment, Identifier [Axis]: Policy Services Company, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   48,969 [3],[11],[12],[39]   48,969 [3],[11],[12],[39]   48,065 [6],[8],[9]  
Cost   61,495 [3],[11],[12],[39]   61,495 [3],[11],[12],[39]   52,856 [6],[8],[9]  
Investment, Identifier [Axis]: Policy Services Company, LLC | Warrants - Class A              
Schedule of Investments [Line Items]              
Fair value   0   0   0 [6],[14]  
Cost [6],[14]           0  
Investment, Identifier [Axis]: Policy Services Company, LLC | Warrants - Class B              
Schedule of Investments [Line Items]              
Fair value   0   0   0 [6],[14]  
Cost [6],[14]           0  
Investment, Identifier [Axis]: Policy Services Company, LLC | Warrants - Class CC              
Schedule of Investments [Line Items]              
Fair value   0   0   0 [6],[14]  
Cost [6],[14]           0  
Investment, Identifier [Axis]: Policy Services Company, LLC | Warrants - Class D              
Schedule of Investments [Line Items]              
Fair value   0   0   0 [6],[14]  
Cost [6],[14]           0  
Investment, Identifier [Axis]: Polymer Solutions Group Holdings, LLC | Common Stock              
Schedule of Investments [Line Items]              
Fair value   0 [3],[10]   0 [3],[10]   0 [6],[14],[15]  
Cost   0 [3],[10]   0 [3],[10]   0 [6],[14],[15]  
Investment, Identifier [Axis]: Polymer Solutions Group Holdings, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   334 [3],[11],[12],[20]   334 [3],[11],[12],[20]   364 [6],[8],[9],[15],[21]  
Cost   994 [3],[11],[12],[20]   994 [3],[11],[12],[20]   994 [6],[8],[9],[15],[21]  
Investment, Identifier [Axis]: PowerGEM Buyer, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[7],[8],[9]           4,867  
Cost [6],[7],[8],[9]           4,858  
Investment, Identifier [Axis]: PowerGEM Buyer, Inc. | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12]   7,474   7,474      
Cost [3],[11],[12]   7,504   7,504      
Investment, Identifier [Axis]: PowerGEM Buyer, Inc. | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   317   317      
Cost [3],[11],[12],[13]   314   314      
Investment, Identifier [Axis]: PowerGEM Buyer, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   (10) [3],[11],[12],[13]   (10) [3],[11],[12],[13]   (4) [6],[7],[8],[9]  
Cost   (7) [3],[11],[12],[13]   (7) [3],[11],[12],[13]   (5) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Premium Franchise Brands, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   10,020 [3],[11],[12]   10,020 [3],[11],[12]   10,012 [6],[9],[28]  
Cost   10,046 [3],[11],[12]   10,046 [3],[11],[12]   10,050 [6],[9],[28]  
Investment, Identifier [Axis]: Premium Invest | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   9,598 [2],[3],[12],[13],[16]   9,598 [2],[3],[12],[13],[16]   9,842 [5],[6],[7],[9],[17]  
Cost   8,953 [2],[3],[12],[13],[16]   8,953 [2],[3],[12],[13],[16]   8,919 [5],[6],[7],[9],[17]  
Investment, Identifier [Axis]: Prime Power Solutions, LLC | Second Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12]   14,724   14,724      
Cost [3],[11],[12]   14,720   14,720      
Investment, Identifier [Axis]: Pro-Vision Solutions Holdings, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   15,212 [3],[11],[12]   15,212 [3],[11],[12]   7,678 [6],[9],[19]  
Cost   15,234 [3],[11],[12]   15,234 [3],[11],[12]   7,618 [6],[9],[19]  
Investment, Identifier [Axis]: Pro-Vision Solutions Holdings, LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   344 [3],[10]   344 [3],[10]   249 [6],[14]  
Cost   236 [3],[10]   236 [3],[10]   236 [6],[14]  
Investment, Identifier [Axis]: Pro-Vision Solutions Holdings, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   286 [3],[11],[12],[13]   286 [3],[11],[12],[13]   137 [6],[7],[9],[19]  
Cost   293 [3],[11],[12],[13]   293 [3],[11],[12],[13]   122 [6],[7],[9],[19]  
Investment, Identifier [Axis]: Proceed Legal Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   11,194   11,194      
Cost [3],[11],[12],[13]   11,183   11,183      
Investment, Identifier [Axis]: Proceed Legal Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   (4)   (4)      
Cost [3],[11],[12],[13]   (4)   (4)      
Investment, Identifier [Axis]: Process Equipment, Inc. (ProcessBarron) | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   5,219 [3],[12],[25]   5,219 [3],[12],[25]   5,254 [6],[9],[28]  
Cost   5,201 [3],[12],[25]   5,201 [3],[12],[25]   5,258 [6],[9],[28]  
Investment, Identifier [Axis]: Process Insights Acquisition, Inc. | Class A Preferred Stock              
Schedule of Investments [Line Items]              
Fair value [3],[10]   0   0      
Cost [3],[10]   17   17      
Investment, Identifier [Axis]: Process Insights Acquisition, Inc. | Common Stock              
Schedule of Investments [Line Items]              
Fair value   0 [3],[10]   0 [3],[10]   72 [6],[14]  
Cost   281 [3],[10]   281 [3],[10]   281 [6],[14]  
Investment, Identifier [Axis]: Process Insights Acquisition, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,734 [3],[11],[12]   4,734 [3],[11],[12]   5,022 [6],[8],[9]  
Cost   5,681 [3],[11],[12]   5,681 [3],[11],[12]   5,600 [6],[8],[9]  
Investment, Identifier [Axis]: Process Insights Acquisition, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   336 [3],[11],[12],[13]   336 [3],[11],[12],[13]   896 [6],[8],[9]  
Cost   504 [3],[11],[12],[13]   504 [3],[11],[12],[13]   999 [6],[8],[9]  
Investment, Identifier [Axis]: ProfitOptics, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,573 [3],[11],[12]   1,573 [3],[11],[12]   1,595 [6],[9],[19]  
Cost   1,573 [3],[11],[12]   1,573 [3],[11],[12]   1,583 [6],[9],[19]  
Investment, Identifier [Axis]: ProfitOptics, LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   489 [3],[10]   489 [3],[10]   423 [6],[14]  
Cost   161 [3],[10]   161 [3],[10]   161 [6],[14]  
Investment, Identifier [Axis]: ProfitOptics, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   (2) [3],[11],[12],[13]   (2) [3],[11],[12],[13]   0 [6],[7],[9],[19]  
Cost   (2) [3],[11],[12],[13]   (2) [3],[11],[12],[13]   (4) [6],[7],[9],[19]  
Investment, Identifier [Axis]: ProfitOptics, LLC | Senior Subordinated Term Loan              
Schedule of Investments [Line Items]              
Fair value   79 [3]   79 [3]   78 [6]  
Cost   81 [3]   81 [3]   81 [6]  
Investment, Identifier [Axis]: Prospero Bidco SAS | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[13],[41]   3,369   3,369      
Cost [2],[3],[12],[13],[41]   3,359   3,359      
Investment, Identifier [Axis]: Protego Bidco B.V. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[16]   1,855   1,855      
Cost [2],[3],[12],[16]   1,904   1,904      
Investment, Identifier [Axis]: Protego Bidco B.V. | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [5],[6],[9],[24]           1,599  
Cost [5],[6],[9],[24]           1,602  
Investment, Identifier [Axis]: Protego Bidco B.V. | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [5],[6],[9],[24]           320  
Cost [5],[6],[9],[24]           295  
Investment, Identifier [Axis]: Protego Bidco B.V. | Revolver              
Schedule of Investments [Line Items]              
Fair value   2,225 [2],[3],[12],[16]   2,225 [2],[3],[12],[16]   2,300 [5],[6],[9],[24]  
Cost   2,305 [2],[3],[12],[16]   2,305 [2],[3],[12],[16]   2,299 [5],[6],[9],[24]  
Investment, Identifier [Axis]: Protego Bidco B.V. | Super Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[16]   1,447   1,447      
Cost [2],[3],[12],[16]   1,417   1,417      
Investment, Identifier [Axis]: Pulse Holding GmbH | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[13],[16]   1,312   1,312      
Cost [2],[3],[12],[13],[16]   1,334   1,334      
Investment, Identifier [Axis]: Pulse Holding GmbH | Revolver              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[13],[16]   0   0      
Cost [2],[3],[12],[13],[16]   0   0      
Investment, Identifier [Axis]: QPE7 SPV1 BidCo Pty Ltd | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,643 [2],[3],[12],[55]   1,643 [2],[3],[12],[55]   1,829 [5],[6],[9],[56]  
Cost   1,789 [2],[3],[12],[55]   1,789 [2],[3],[12],[55]   1,981 [5],[6],[9],[56]  
Investment, Identifier [Axis]: Qima Finance LTD | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [5],[6],[7],[8],[9]           2,799  
Cost [5],[6],[7],[8],[9]           2,791  
Investment, Identifier [Axis]: Qima Finance LTD | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[16]   428   428      
Cost [2],[3],[12],[16]   440   440      
Investment, Identifier [Axis]: Qima Finance LTD | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [2],[3],[11],[12],[13]   2,993   2,993      
Cost [2],[3],[11],[12],[13]   2,996   2,996      
Investment, Identifier [Axis]: Quantios Management Services Limited | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[13],[22]   2,193   2,193      
Cost [2],[3],[12],[13],[22]   2,225   2,225      
Investment, Identifier [Axis]: Quantios Management Services Limited | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [2],[3],[11],[12]   1,113   1,113      
Cost [2],[3],[11],[12]   1,114   1,114      
Investment, Identifier [Axis]: Quantios Management Services Limited | Revolver              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[13],[22]   (10)   (10)      
Cost [2],[3],[12],[13],[22]   (3)   (3)      
Investment, Identifier [Axis]: R1 Holdings, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   5,795 [3],[11],[12]   5,795 [3],[11],[12]   5,879 [6],[9],[28]  
Cost   5,935 [3],[11],[12]   5,935 [3],[11],[12]   5,942 [6],[9],[28]  
Investment, Identifier [Axis]: R1 Holdings, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   1,439 [3],[11],[12],[13]   1,439 [3],[11],[12],[13]   1,796 [6],[7],[9],[28]  
Cost   1,483 [3],[11],[12],[13]   1,483 [3],[11],[12],[13]   1,818 [6],[7],[9],[28]  
Investment, Identifier [Axis]: RA Outdoors, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   8,572 [3],[12],[20],[25],[47]   8,572 [3],[12],[20],[25],[47]   9,785 [6],[9],[15],[21],[28]  
Cost   14,971 [3],[12],[20],[25],[47]   14,971 [3],[12],[20],[25],[47]   14,971 [6],[9],[15],[21],[28]  
Investment, Identifier [Axis]: RA Outdoors, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   820 [3],[12],[20],[25],[47]   820 [3],[12],[20],[25],[47]   919 [6],[9],[15],[21],[28]  
Cost   1,430 [3],[12],[20],[25],[47]   1,430 [3],[12],[20],[25],[47]   1,430 [6],[9],[15],[21],[28]  
Investment, Identifier [Axis]: REP SEKO Merger Sub, LLC | Common Stock              
Schedule of Investments [Line Items]              
Fair value   0 [3],[10]   0 [3],[10]   0 [6],[14]  
Cost   5,403 [3],[10]   5,403 [3],[10]   5,403 [6],[14]  
Investment, Identifier [Axis]: REP SEKO Merger Sub, LLC | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   1,473 [3],[11],[12],[20]   1,473 [3],[11],[12],[20]   2,081 [6],[8],[9]  
Cost   2,988 [3],[11],[12],[20]   2,988 [3],[11],[12],[20]   2,760 [6],[8],[9]  
Investment, Identifier [Axis]: REP SEKO Merger Sub, LLC | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   424 [3],[11],[12]   424 [3],[11],[12]   258 [6],[7],[8],[9]  
Cost   424 [3],[11],[12]   424 [3],[11],[12]   258 [6],[7],[8],[9]  
Investment, Identifier [Axis]: REP SEKO Merger Sub, LLC | First Out Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,233 [3],[11],[12]   1,233 [3],[11],[12]   1,112 [6],[8],[9]  
Cost   1,219 [3],[11],[12]   1,219 [3],[11],[12]   1,095 [6],[8],[9]  
Investment, Identifier [Axis]: RKD Group, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   12,498 [3],[11],[12],[13]   12,498 [3],[11],[12],[13]   12,039 [6],[7],[8],[9]  
Cost   12,458 [3],[11],[12],[13]   12,458 [3],[11],[12],[13]   12,020 [6],[7],[8],[9]  
Investment, Identifier [Axis]: RKD Group, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   504 [3],[11],[12],[13]   504 [3],[11],[12],[13]   (10) [6],[7],[8],[9]  
Cost   501 [3],[11],[12],[13]   501 [3],[11],[12],[13]   (11) [6],[7],[8],[9]  
Investment, Identifier [Axis]: ROI Solutions LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   8,190 [3],[11],[12],[13]   8,190 [3],[11],[12],[13]   9,078 [6],[7],[8],[9]  
Cost   8,935 [3],[11],[12],[13]   8,935 [3],[11],[12],[13]   9,037 [6],[7],[8],[9]  
Investment, Identifier [Axis]: ROI Solutions LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   (242) [3],[11],[12],[13]   (242) [3],[11],[12],[13]   (32) [6],[7],[8],[9]  
Cost   (33) [3],[11],[12],[13]   (33) [3],[11],[12],[13]   (41) [6],[7],[8],[9]  
Investment, Identifier [Axis]: RPX Corporation | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   15,451 [3],[12],[18]   15,451 [3],[12],[18]   21,484 [6],[9],[19]  
Cost   15,402 [3],[12],[18]   15,402 [3],[12],[18]   21,435 [6],[9],[19]  
Investment, Identifier [Axis]: RPX Corporation | Revolver              
Schedule of Investments [Line Items]              
Fair value   (11) [3],[12],[13],[18]   (11) [3],[12],[13],[18]   (30) [6],[7],[9],[19]  
Cost   (15) [3],[12],[13],[18]   (15) [3],[12],[13],[18]   (35) [6],[7],[9],[19]  
Investment, Identifier [Axis]: RTIC Subsidiary Holdings, LLC | Class A Preferred Stock              
Schedule of Investments [Line Items]              
Fair value   0 [3],[10]   0 [3],[10]   0 [6],[14],[15]  
Cost   4 [3],[10]   4 [3],[10]   4 [6],[14],[15]  
Investment, Identifier [Axis]: RTIC Subsidiary Holdings, LLC | Class B Preferred Stock              
Schedule of Investments [Line Items]              
Fair value   0 [3],[10]   0 [3],[10]   0 [6],[14],[15]  
Cost   0 [3],[10]   0 [3],[10]   0 [6],[14],[15]  
Investment, Identifier [Axis]: RTIC Subsidiary Holdings, LLC | Class C Preferred Stock              
Schedule of Investments [Line Items]              
Fair value   17 [3],[10]   17 [3],[10]   36 [6],[14],[15]  
Cost   450 [3],[10]   450 [3],[10]   450 [6],[14],[15]  
Investment, Identifier [Axis]: RTIC Subsidiary Holdings, LLC | Common Stock              
Schedule of Investments [Line Items]              
Fair value   0 [3],[10]   0 [3],[10]   0 [6],[14],[15]  
Cost   0 [3],[10]   0 [3],[10]   0 [6],[14],[15]  
Investment, Identifier [Axis]: Randys Holdings, Inc. | Common Stock              
Schedule of Investments [Line Items]              
Fair value   655 [3],[10]   655 [3],[10]   690 [6],[14]  
Cost   533 [3],[10]   533 [3],[10]   533 [6],[14]  
Investment, Identifier [Axis]: Randys Holdings, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   13,065 [3],[12],[18]   13,065 [3],[12],[18]   12,552 [6],[7],[9],[19]  
Cost   12,978 [3],[12],[18]   12,978 [3],[12],[18]   12,459 [6],[7],[9],[19]  
Investment, Identifier [Axis]: Randys Holdings, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   592 [3],[12],[13],[18]   592 [3],[12],[13],[18]   (19) [6],[7],[9],[19]  
Cost   580 [3],[12],[13],[18]   580 [3],[12],[13],[18]   (32) [6],[7],[9],[19]  
Investment, Identifier [Axis]: Rapid Buyer LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   5,354 [3],[12],[13],[25]   5,354 [3],[12],[13],[25]   4,897 [6],[7],[9],[28]  
Cost   5,325 [3],[12],[13],[25]   5,325 [3],[12],[13],[25]   5,348 [6],[7],[9],[28]  
Investment, Identifier [Axis]: Rapid Buyer LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   570 [3],[10]   570 [3],[10]   377 [6],[14]  
Cost   533 [3],[10]   533 [3],[10]   533 [6],[14]  
Investment, Identifier [Axis]: Rapid Buyer LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   (3) [3],[12],[13],[25]   (3) [3],[12],[13],[25]   (93) [6],[7],[9],[28]  
Cost   (8) [3],[12],[13],[25]   (8) [3],[12],[13],[25]   (13) [6],[7],[9],[28]  
Investment, Identifier [Axis]: Real Chemistry Intermediate III, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,581 [3],[11],[12],[13]   4,581 [3],[11],[12],[13]   4,058 [6],[7],[8],[9]  
Cost   4,613 [3],[11],[12],[13]   4,613 [3],[11],[12],[13]   4,061 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Real Chemistry Intermediate III, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   (9) [3],[11],[12],[13]   (9) [3],[11],[12],[13]   (4) [6],[7],[8],[9]  
Cost   (4) [3],[11],[12],[13]   (4) [3],[11],[12],[13]   (4) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Recon Buyer LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,918 [3],[11],[12],[13]   1,918 [3],[11],[12],[13]   1,874 [6],[7],[8],[9]  
Cost   1,911 [3],[11],[12],[13]   1,911 [3],[11],[12],[13]   1,876 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Recon Buyer LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   141 [3],[10]   141 [3],[10]   116 [6],[14]  
Cost   116 [3],[10]   116 [3],[10]   116 [6],[14]  
Investment, Identifier [Axis]: Recon Buyer LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   (5) [3],[11],[12],[13]   (5) [3],[11],[12],[13]   (8) [6],[7],[8],[9]  
Cost   (7) [3],[11],[12],[13]   (7) [3],[11],[12],[13]   (7) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Recovery Point Systems, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[9],[28]           11,176  
Cost [6],[9],[28]           11,152  
Investment, Identifier [Axis]: Recovery Point Systems, Inc. | Partnership Equity              
Schedule of Investments [Line Items]              
Fair value [6],[14]           103  
Cost [6],[14]           187  
Investment, Identifier [Axis]: Renovation Parent Holdings, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,490 [3],[11],[12]   4,490 [3],[11],[12]   4,609 [6],[8],[9]  
Cost   4,467 [3],[11],[12]   4,467 [3],[11],[12]   4,622 [6],[8],[9]  
Investment, Identifier [Axis]: Renovation Parent Holdings, LLC | Partnership Equity              
Schedule of Investments [Line Items]              
Fair value   271 [3],[10]   271 [3],[10]   160 [6],[14]  
Cost   202 [3],[10]   202 [3],[10]   202 [6],[14]  
Investment, Identifier [Axis]: Resolute Investment Managers, Inc. | Common Stock              
Schedule of Investments [Line Items]              
Fair value   0 [3],[10]   0 [3],[10]   0 [6],[14],[15]  
Cost   0 [3],[10]   0 [3],[10]   0 [6],[14],[15]  
Investment, Identifier [Axis]: Riedel Beheer B.V. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,356 [2],[3],[12],[16]   2,356 [2],[3],[12],[16]   2,146 [5],[6],[9],[17]  
Cost   2,281 [2],[3],[12],[16]   2,281 [2],[3],[12],[16]   2,274 [5],[6],[9],[17]  
Investment, Identifier [Axis]: Rocade Holdings LLC | Commitment              
Schedule of Investments [Line Items]              
Fair value   91,000   91,000   88,000  
Investment, Identifier [Axis]: Rocade Holdings LLC | Common LP Units              
Schedule of Investments [Line Items]              
Fair value   5,469 [3],[39]   5,469 [3],[39]   3,596 [6],[35] 243
Cost   0 [3],[39]   0 [3],[39]   0 [6],[35]  
Investment, Identifier [Axis]: Rocade Holdings LLC | Debt              
Schedule of Investments [Line Items]              
Fair value   13,000   13,000   10,000  
Investment, Identifier [Axis]: Rocade Holdings LLC | Equity              
Schedule of Investments [Line Items]              
Fair value   78,000   78,000   78,000  
Investment, Identifier [Axis]: Rocade Holdings LLC | Preferred Equity Commitment | Unfunded              
Schedule of Investments [Line Items]              
Fair value   7,000   7,000   7,000  
Investment, Identifier [Axis]: Rocade Holdings LLC | Preferred LP Units              
Schedule of Investments [Line Items]              
Fair value   88,871 [3],[11],[13],[39]   88,871 [3],[11],[13],[39]   89,450 [6],[7],[8],[35] 83,000
Cost   88,881 [3],[11],[13],[39]   88,881 [3],[11],[13],[39]   89,452 [6],[7],[8],[35]  
Investment, Identifier [Axis]: Rocade Holdings LLC | Second Lien Senior Loan | Unfunded              
Schedule of Investments [Line Items]              
Fair value   800   800   7,100  
Investment, Identifier [Axis]: Rocade Holdings LLC | Second Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   11,949 [3],[11],[12],[13],[39]   11,949 [3],[11],[12],[13],[39]   2,667 [6],[7],[8],[9],[35] 0
Cost   11,963 [3],[11],[12],[13],[39]   11,963 [3],[11],[12],[13],[39]   2,670 [6],[7],[8],[9],[35]  
Investment, Identifier [Axis]: Rocade Holdings LLC | Total Commitment | Funded              
Schedule of Investments [Line Items]              
Fair value   83,200   83,200   73,900  
Investment, Identifier [Axis]: Rock Labor LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   6,438 [3],[11],[12]   6,438 [3],[11],[12]   6,471 [6],[9],[19]  
Cost   6,327 [3],[11],[12]   6,327 [3],[11],[12]   6,335 [6],[9],[19]  
Investment, Identifier [Axis]: Rock Labor LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   1,240 [3],[10]   1,240 [3],[10]   1,380 [6],[14]  
Cost   1,252 [3],[10]   1,252 [3],[10]   1,252 [6],[14]  
Investment, Identifier [Axis]: Rock Labor LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   0 [3],[11],[12],[13]   0 [3],[11],[12],[13]   0 [6],[7],[9],[19]  
Cost   (17) [3],[11],[12],[13]   (17) [3],[11],[12],[13]   (21) [6],[7],[9],[19]  
Investment, Identifier [Axis]: Ruby Bidco Pty Ltd | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,741 [2],[3],[12],[13],[30]   1,741 [2],[3],[12],[13],[30]   1,654 [5],[6],[7],[9],[31]  
Cost   1,664 [2],[3],[12],[13],[30]   1,664 [2],[3],[12],[13],[30]   1,655 [5],[6],[7],[9],[31]  
Investment, Identifier [Axis]: SBP Holdings LP | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   8,561 [3],[12],[13],[18]   8,561 [3],[12],[13],[18]   8,615 [6],[7],[9],[19]  
Cost   8,433 [3],[12],[13],[18]   8,433 [3],[12],[13],[18]   8,438 [6],[7],[9],[19]  
Investment, Identifier [Axis]: SBP Holdings LP | Revolver              
Schedule of Investments [Line Items]              
Fair value   0 [3],[12],[13],[18]   0 [3],[12],[13],[18]   (3) [6],[7],[9],[19]  
Cost   (21) [3],[12],[13],[18]   (21) [3],[12],[13],[18]   (31) [6],[7],[9],[19]  
Investment, Identifier [Axis]: SCP CDH Buyer, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   8,370 [3],[11],[12],[13]   8,370 [3],[11],[12],[13]   6,885 [6],[7],[8],[9]  
Cost   8,289 [3],[11],[12],[13]   8,289 [3],[11],[12],[13]   6,885 [6],[7],[8],[9]  
Investment, Identifier [Axis]: SCP CDH Buyer, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   0 [3],[11],[12],[13]   0 [3],[11],[12],[13]   (10) [6],[7],[8],[9]  
Cost   (9) [3],[11],[12],[13]   (9) [3],[11],[12],[13]   (10) [6],[7],[8],[9]  
Investment, Identifier [Axis]: SCP Medical Products, LLC. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,019 [3],[11],[12]   2,019 [3],[11],[12]   2,022 [6],[8],[9]  
Cost   1,998 [3],[11],[12]   1,998 [3],[11],[12]   2,010 [6],[8],[9]  
Investment, Identifier [Axis]: SCP Medical Products, LLC. | LLC Units              
Schedule of Investments [Line Items]              
Fair value   56 [3],[10]   56 [3],[10]   53 [6],[14]  
Cost   53 [3],[10]   53 [3],[10]   53 [6],[14]  
Investment, Identifier [Axis]: SCP Medical Products, LLC. | Revolver              
Schedule of Investments [Line Items]              
Fair value   85 [3],[11],[12],[13]   85 [3],[11],[12],[13]   (1) [6],[7],[8],[9]  
Cost   83 [3],[11],[12],[13]   83 [3],[11],[12],[13]   (2) [6],[7],[8],[9]  
Investment, Identifier [Axis]: SPATCO Energy Solutions, LLC | Common Stock              
Schedule of Investments [Line Items]              
Fair value   192 [3],[10]   192 [3],[10]   309 [6],[14]  
Cost   287 [3],[10]   287 [3],[10]   281 [6],[14]  
Investment, Identifier [Axis]: SPATCO Energy Solutions, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   7,218 [3],[11],[12],[13]   7,218 [3],[11],[12],[13]   7,374 [6],[7],[8],[9]  
Cost   7,533 [3],[11],[12],[13]   7,533 [3],[11],[12],[13]   7,327 [6],[7],[8],[9]  
Investment, Identifier [Axis]: SPATCO Energy Solutions, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   236 [3],[11],[12],[13]   236 [3],[11],[12],[13]   (12) [6],[7],[8],[9]  
Cost   282 [3],[11],[12],[13]   282 [3],[11],[12],[13]   (18) [6],[7],[8],[9]  
Investment, Identifier [Axis]: SRS Acquiom Holdings LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[12],[18]   4,427   4,427      
Cost [3],[12],[18]   4,387   4,387      
Investment, Identifier [Axis]: SRS Acquiom Holdings LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[12],[13],[18]   0   0      
Cost [3],[12],[13],[18]   (8)   (8)      
Investment, Identifier [Axis]: SSCP Pegasus Midco Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,721 [2],[3],[12],[13],[22]   1,721 [2],[3],[12],[13],[22]   7,081 [5],[6],[9],[26]  
Cost   1,724 [2],[3],[12],[13],[22]   1,724 [2],[3],[12],[13],[22]   6,776 [5],[6],[9],[26]  
Investment, Identifier [Axis]: SSCP Spring Bidco 3 Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,167 [2],[3],[12],[29]   2,167 [2],[3],[12],[29]   1,028 [5],[6],[9],[27]  
Cost   2,121 [2],[3],[12],[29]   2,121 [2],[3],[12],[29]   939 [5],[6],[9],[27]  
Investment, Identifier [Axis]: SVI International LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[8],[9]           639  
Cost [6],[8],[9]           630  
Investment, Identifier [Axis]: SVI International LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   395 [3]   395 [3]   378 [6]  
Cost   208 [3]   208 [3]   208 [6]  
Investment, Identifier [Axis]: SVI International LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [6],[7],[8],[9]           0  
Cost [6],[7],[8],[9]           (1)  
Investment, Identifier [Axis]: Saab Purchaser, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   13,308 [3],[11],[12]   13,308 [3],[11],[12]   13,505 [6],[8],[9]  
Cost   13,420 [3],[11],[12]   13,420 [3],[11],[12]   13,509 [6],[8],[9]  
Investment, Identifier [Axis]: Saab Purchaser, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   (38) [3],[11],[12],[13]   (38) [3],[11],[12],[13]   (22) [6],[7],[8],[9]  
Cost   (18) [3],[11],[12],[13]   (18) [3],[11],[12],[13]   (20) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Safety Products Holdings, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   8,268 [3],[11],[12]   8,268 [3],[11],[12]   9,422 [6],[8],[9]  
Cost   8,231 [3],[11],[12]   8,231 [3],[11],[12]   9,396 [6],[8],[9]  
Investment, Identifier [Axis]: Safety Products Holdings, LLC | Preferred Stock              
Schedule of Investments [Line Items]              
Fair value   659 [3],[10]   659 [3],[10]   500 [6],[14]  
Cost   380 [3],[10]   380 [3],[10]   380 [6],[14]  
Investment, Identifier [Axis]: Salsify Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   9,360   9,360      
Cost [3],[11],[12],[13]   9,361   9,361      
Investment, Identifier [Axis]: Salsify Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   494   494      
Cost [3],[11],[12],[13]   494   494      
Investment, Identifier [Axis]: Sanoptis S.A.R.L. | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   6,158 [2],[3],[12],[16]   6,158 [2],[3],[12],[16]   4,258 [5],[6],[7],[9],[17]  
Cost   5,859 [2],[3],[12],[16]   5,859 [2],[3],[12],[16]   3,753 [5],[6],[7],[9],[17]  
Investment, Identifier [Axis]: Sanoptis S.A.R.L. | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   3,776 [2],[3],[12],[57]   3,776 [2],[3],[12],[57]   3,275 [5],[6],[9],[58]  
Cost   3,478 [2],[3],[12],[57]   3,478 [2],[3],[12],[57]   2,786 [5],[6],[9],[58]  
Investment, Identifier [Axis]: Sansidor BV | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   995 [2],[3],[12],[13],[16]   995 [2],[3],[12],[13],[16]   1,059 [5],[6],[9],[17]  
Cost   982 [2],[3],[12],[13],[16]   982 [2],[3],[12],[13],[16]   1,018 [5],[6],[9],[17]  
Investment, Identifier [Axis]: Sapphire Bidco S.A.R.L. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [5],[6],[7],[9],[17]           1,793  
Cost [5],[6],[7],[9],[17]           1,774  
Investment, Identifier [Axis]: Sapphire Bidco S.A.R.L. | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[13],[16]   1,759   1,759      
Cost [2],[3],[12],[13],[16]   1,781   1,781      
Investment, Identifier [Axis]: Sapphire Bidco S.A.R.L. | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [2],[3],[11],[12]   57   57      
Cost [2],[3],[11],[12]   57   57      
Investment, Identifier [Axis]: Scaled Agile, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   567 [3],[12],[20],[25]   567 [3],[12],[20],[25]   1,558 [6],[8],[9]  
Cost   1,822 [3],[12],[20],[25]   1,822 [3],[12],[20],[25]   1,817 [6],[8],[9]  
Investment, Identifier [Axis]: Scaled Agile, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   108 [3],[12],[20],[25]   108 [3],[12],[20],[25]   294 [6],[8],[9]  
Cost   347 [3],[12],[20],[25]   347 [3],[12],[20],[25]   343 [6],[8],[9]  
Investment, Identifier [Axis]: Scout Bidco B.V. | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   3,618 [2],[3],[12],[23]   3,618 [2],[3],[12],[23]   3,456 [5],[6],[9],[24]  
Cost   3,384 [2],[3],[12],[23]   3,384 [2],[3],[12],[23]   3,374 [5],[6],[9],[24]  
Investment, Identifier [Axis]: Scout Bidco B.V. | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   442 [2],[3],[12],[25]   442 [2],[3],[12],[25]   408 [5],[6],[9],[28]  
Cost   443 [2],[3],[12],[25]   443 [2],[3],[12],[25]   443 [5],[6],[9],[28]  
Investment, Identifier [Axis]: Scout Bidco B.V. | Revolver              
Schedule of Investments [Line Items]              
Fair value   1,093 [2],[3],[12],[16]   1,093 [2],[3],[12],[16]   364 [5],[6],[7],[9],[24]  
Cost   1,064 [2],[3],[12],[16]   1,064 [2],[3],[12],[16]   443 [5],[6],[7],[9],[24]  
Investment, Identifier [Axis]: Screenvision, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   5,072 [3],[11],[12]   5,072 [3],[11],[12]   5,095 [6],[8],[9]  
Cost   5,067 [3],[11],[12]   5,067 [3],[11],[12]   5,092 [6],[8],[9]  
Investment, Identifier [Axis]: Screenvision, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   (9) [3],[11],[12],[13]   (9) [3],[11],[12],[13]   (11) [6],[7],[8],[9]  
Cost   (9) [3],[11],[12],[13]   (9) [3],[11],[12],[13]   (11) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Screenvision, LLC | Second Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   32,487 [3],[11],[12]   32,487 [3],[11],[12]   32,534 [6],[8],[9]  
Cost   32,407 [3],[11],[12]   32,407 [3],[11],[12]   32,487 [6],[8],[9]  
Investment, Identifier [Axis]: Security Holdings B.V | Bridge Loan              
Schedule of Investments [Line Items]              
Fair value           6,997 6,655
Investment, Identifier [Axis]: Security Holdings B.V | Common Stock Series A              
Schedule of Investments [Line Items]              
Fair value           436 399
Investment, Identifier [Axis]: Security Holdings B.V | Common Stock Series B              
Schedule of Investments [Line Items]              
Fair value           40,702 37,296
Investment, Identifier [Axis]: Security Holdings B.V | Senior Unsecured Term Loan              
Schedule of Investments [Line Items]              
Fair value           2,909 2,293
Investment, Identifier [Axis]: Security Holdings B.V | Senior Unsecured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value           11,565 11,191
Investment, Identifier [Axis]: Security Holdings B.V. | Bridge Loan              
Schedule of Investments [Line Items]              
Fair value   7,173 [2],[3],[50]   7,173 [2],[3],[50]   6,997 [5],[6],[48],[49]  
Cost   7,173 [2],[3],[50]   7,173 [2],[3],[50]   6,997 [5],[6],[48],[49]  
Investment, Identifier [Axis]: Security Holdings B.V. | Common Stock Series A              
Schedule of Investments [Line Items]              
Fair value   469 [2],[3],[10]   469 [2],[3],[10]   436 [5],[6],[14],[48],[49]  
Cost   560 [2],[3],[10]   560 [2],[3],[10]   560 [5],[6],[14],[48],[49]  
Investment, Identifier [Axis]: Security Holdings B.V. | Common Stock Series B              
Schedule of Investments [Line Items]              
Fair value   43,840 [2],[3],[10]   43,840 [2],[3],[10]   40,702 [5],[6],[48],[49]  
Cost   35,191 [2],[3],[10]   35,191 [2],[3],[10]   35,192 [5],[6],[48],[49]  
Investment, Identifier [Axis]: Security Holdings B.V. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,477 [2],[3],[13],[50]   1,477 [2],[3],[13],[50]   0  
Cost [2],[3],[13],[50]   1,496   1,496      
Investment, Identifier [Axis]: Security Holdings B.V. | Revolver              
Schedule of Investments [Line Items]              
Fair value   11,251 [2],[3],[13],[50]   11,251 [2],[3],[13],[50]   6,225 [5],[6],[7],[48],[49]  
Cost   11,336 [2],[3],[13],[50]   11,336 [2],[3],[13],[50]   5,814 [5],[6],[7],[48],[49]  
Investment, Identifier [Axis]: Security Holdings B.V. | Senior Subordinated Term Loan              
Schedule of Investments [Line Items]              
Fair value   11,907 [2],[3],[50]   11,907 [2],[3],[50]   11,565 [5],[6],[48],[49]  
Cost   11,908 [2],[3],[50]   11,908 [2],[3],[50]   11,566 [5],[6],[48],[49]  
Investment, Identifier [Axis]: Security Holdings B.V. | Senior Unsecured Term Loan              
Schedule of Investments [Line Items]              
Fair value   3,146 [2],[3],[50]   3,146 [2],[3],[50]   2,909 [5],[6],[48],[49]  
Cost   3,161 [2],[3],[50]   3,161 [2],[3],[50]   2,826 [5],[6],[48],[49]  
Investment, Identifier [Axis]: Security Holdings B.V| Revolver              
Schedule of Investments [Line Items]              
Fair value           6,225 5,333
Investment, Identifier [Axis]: Selenium Designated Activity Company | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   3,113 [2],[3],[12],[23]   3,113 [2],[3],[12],[23]   3,163 [5],[6],[9],[17]  
Cost   2,917 [2],[3],[12],[23]   2,917 [2],[3],[12],[23]   2,909 [5],[6],[9],[17]  
Investment, Identifier [Axis]: Serta Simmons Bedding LLC | Common Stock              
Schedule of Investments [Line Items]              
Fair value   627 [10]   627 [10]   1,009 [14]  
Cost   1,630 [10]   1,630 [10]   1,630 [14]  
Investment, Identifier [Axis]: Shelf Bidco Ltd | Common Stock              
Schedule of Investments [Line Items]              
Fair value   4,728 [2],[3],[10]   4,728 [2],[3],[10]   4,704 [5],[6],[14],[15]  
Cost   1,200 [2],[3],[10]   1,200 [2],[3],[10]   1,200 [5],[6],[14],[15]  
Investment, Identifier [Axis]: Shelf Bidco Ltd | Second Out Term Loan              
Schedule of Investments [Line Items]              
Fair value [5],[6],[8],[9]           12,042  
Cost [5],[6],[8],[9]           12,040  
Investment, Identifier [Axis]: Sierra Senior Loan Strategy JV I LLC | 89.01% Member Interest              
Schedule of Investments [Line Items]              
Fair value   0 [2],[10],[39],[45]   0 [2],[10],[39],[45]   16,404 [5],[15],[35],[46]  
Cost   11,532 [2],[10],[39],[45]   11,532 [2],[10],[39],[45]   27,969 [5],[15],[35],[46]  
Investment, Identifier [Axis]: Sierra Senior Loan Strategy JV I LLC, Member Interest              
Schedule of Investments [Line Items]              
Fair value           16,404 41,453
Investment, Identifier [Axis]: Sinari Invest | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,769 [2],[3],[12],[16]   1,769 [2],[3],[12],[16]   1,872 [5],[6],[7],[9],[17]  
Cost   1,969 [2],[3],[12],[16]   1,969 [2],[3],[12],[16]   1,951 [5],[6],[7],[9],[17]  
Investment, Identifier [Axis]: Sisu Acquisitionco., Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   7,124 [3],[11],[12]   7,124 [3],[11],[12]   7,176 [6],[8],[9]  
Cost   7,153 [3],[11],[12]   7,153 [3],[11],[12]   7,195 [6],[8],[9]  
Investment, Identifier [Axis]: Sixty-Five Bidco Limited | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[16]   5,431   5,431      
Cost [2],[3],[12],[16]   5,440   5,440      
Investment, Identifier [Axis]: Sixty-Five Bidco Limited | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[22]   3,610   3,610      
Cost [2],[3],[12],[22]   3,617   3,617      
Investment, Identifier [Axis]: Skyvault Holdings LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   14,616 [3],[39]   14,616 [3],[39]   16,020 [6],[7],[35] 3,586
Cost   14,617 [3],[39]   14,617 [3],[39]   16,021 [6],[7],[35]  
Investment, Identifier [Axis]: Skyvault Holdings LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   6,295 [3],[39]   6,295 [3],[39]   5,339 [6],[7],[14],[35] 1,195
Cost   3,250 [3],[39]   3,250 [3],[39]   5,349 [6],[7],[14],[35]  
Investment, Identifier [Axis]: SmartShift Group, Inc. | Common Stock              
Schedule of Investments [Line Items]              
Fair value   769 [3],[10]   769 [3],[10]   594 [6],[14]  
Cost   275 [3],[10]   275 [3],[10]   275 [6],[14]  
Investment, Identifier [Axis]: SmartShift Group, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   12,740 [3],[12],[25]   12,740 [3],[12],[25]   12,814 [6],[9],[28]  
Cost   12,562 [3],[12],[25]   12,562 [3],[12],[25]   12,597 [6],[9],[28]  
Investment, Identifier [Axis]: SmartShift Group, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   0 [3],[12],[13],[25]   0 [3],[12],[13],[25]   0 [6],[7],[9],[28]  
Cost   (21) [3],[12],[13],[25]   (21) [3],[12],[13],[25]   (26) [6],[7],[9],[28]  
Investment, Identifier [Axis]: Smile Brands Group Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,420 [3],[11],[12],[20]   4,420 [3],[11],[12],[20]   4,577 [6],[8],[9]  
Cost   5,438 [3],[11],[12],[20]   5,438 [3],[11],[12],[20]   5,323 [6],[8],[9]  
Investment, Identifier [Axis]: Solo Buyer, L.P. | Common Equity              
Schedule of Investments [Line Items]              
Fair value   284 [3],[10]   284 [3],[10]   269 [6],[14]  
Cost   516 [3],[10]   516 [3],[10]   516 [6],[14]  
Investment, Identifier [Axis]: Solo Buyer, L.P. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   14,669 [3],[11],[12]   14,669 [3],[11],[12]   14,798 [6],[8],[9]  
Cost   14,855 [3],[11],[12]   14,855 [3],[11],[12]   14,930 [6],[8],[9]  
Investment, Identifier [Axis]: Solo Buyer, L.P. | Revolver              
Schedule of Investments [Line Items]              
Fair value   779 [3],[11],[12],[13]   779 [3],[11],[12],[13]   814 [6],[7],[8],[9]  
Cost   812 [3],[11],[12],[13]   812 [3],[11],[12],[13]   840 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Sonicwall US Holdings Inc | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [8],[9]           1,844  
Cost [8],[9]           2,838  
Investment, Identifier [Axis]: Sonicwall US Holdings Inc | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [11],[12]   1,593   1,593      
Cost [11],[12]   3,499   3,499      
Investment, Identifier [Axis]: Sonicwall US Holdings Inc | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [11],[12]   609   609      
Cost [11],[12]   496   496      
Investment, Identifier [Axis]: Sound Point CLO XX, Ltd. | Subordinated Structured Notes              
Schedule of Investments [Line Items]              
Fair value [5],[14],[15]           21  
Cost [5],[14],[15]           1,389  
Investment, Identifier [Axis]: Sparus Holdings, LLC (f/k/a Sparus Holdings, Inc.) | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,618 [3],[11],[12]   2,618 [3],[11],[12]   2,655 [6],[8],[9]  
Cost   2,600 [3],[11],[12]   2,600 [3],[11],[12]   2,651 [6],[8],[9]  
Investment, Identifier [Axis]: Sparus Holdings, LLC (f/k/a Sparus Holdings, Inc.) | Revolver              
Schedule of Investments [Line Items]              
Fair value   0 [3],[11],[12],[13]   0 [3],[11],[12],[13]   (1) [6],[7],[8],[9]  
Cost   0 [3],[11],[12],[13]   0 [3],[11],[12],[13]   (1) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Spatial Business Systems LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[8],[9]           7,218  
Cost [6],[8],[9]           7,198  
Investment, Identifier [Axis]: Spatial Business Systems LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [6],[7],[8],[9]           (4)  
Cost [6],[7],[8],[9]           (5)  
Investment, Identifier [Axis]: Stage 3 Holdco LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   2,892   2,892      
Cost [3],[11],[12],[13]   2,888   2,888      
Investment, Identifier [Axis]: Stage 3 Holdco LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   (7)   (7)      
Cost [3],[11],[12],[13]   (7)   (7)      
Investment, Identifier [Axis]: Starnmeer B.V. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,483 [2],[3],[12],[25]   2,483 [2],[3],[12],[25]   2,475 [5],[6],[9],[28]  
Cost   2,496 [2],[3],[12],[25]   2,496 [2],[3],[12],[25]   2,490 [5],[6],[9],[28]  
Investment, Identifier [Axis]: Sunrise Acquisition Bidco Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,607 [2],[3],[12],[13],[22]   2,607 [2],[3],[12],[13],[22]   1,875 [5],[6],[7],[9],[26]  
Cost   2,568 [2],[3],[12],[13],[22]   2,568 [2],[3],[12],[13],[22]   1,826 [5],[6],[7],[9],[26]  
Investment, Identifier [Axis]: Superjet Buyer, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,502 [3],[11],[12]   4,502 [3],[11],[12]   4,249 [6],[7],[8],[9]  
Cost   4,533 [3],[11],[12]   4,533 [3],[11],[12]   4,244 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Superjet Buyer, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   (19) [3],[11],[12],[13]   (19) [3],[11],[12],[13]   (13) [6],[7],[8],[9]  
Cost   (8) [3],[11],[12],[13]   (8) [3],[11],[12],[13]   (13) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Surface Finishing Technologies Inc. | Common Stock              
Schedule of Investments [Line Items]              
Fair value [3],[10]   254   254      
Cost [3],[10]   192   192      
Investment, Identifier [Axis]: Surface Finishing Technologies Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[12],[13],[25]   7,315   7,315      
Cost [3],[12],[13],[25]   7,107   7,107      
Investment, Identifier [Axis]: Surface Finishing Technologies Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[12],[13],[25]   0   0      
Cost [3],[12],[13],[25]   (16)   (16)      
Investment, Identifier [Axis]: Surgical Precision Instruments GmbH | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[13],[16]   3,544   3,544      
Cost [2],[3],[12],[13],[16]   3,629   3,629      
Investment, Identifier [Axis]: Swoop Intermediate III, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,280 [3],[11],[12],[13]   4,280 [3],[11],[12],[13]   1,977 [6],[7],[9],[19]  
Cost   4,265 [3],[11],[12],[13]   4,265 [3],[11],[12],[13]   1,960 [6],[7],[9],[19]  
Investment, Identifier [Axis]: Swoop Intermediate III, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   0 [3],[11],[12],[13]   0 [3],[11],[12],[13]   0 [6],[7],[9],[19]  
Cost   (3) [3],[11],[12],[13]   (3) [3],[11],[12],[13]   (4) [6],[7],[9],[19]  
Investment, Identifier [Axis]: Syniverse Holdings, Inc. | Series A Preferred Equity              
Schedule of Investments [Line Items]              
Fair value   9,697 [3]   9,697 [3]   11,439 [6]  
Cost   12,225 [3]   12,225 [3]   11,497 [6]  
Investment, Identifier [Axis]: Syntax Midco 2 Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,627 [3],[12],[13],[18]   2,627 [3],[12],[13],[18]   2,599 [6],[7],[9],[19]  
Cost   2,591 [3],[12],[13],[18]   2,591 [3],[12],[13],[18]   2,600 [6],[7],[9],[19]  
Investment, Identifier [Axis]: Syntax Midco 2 Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   518 [3],[12],[13],[18]   518 [3],[12],[13],[18]   797 [6],[7],[9],[19]  
Cost   490 [3],[12],[13],[18]   490 [3],[12],[13],[18]   798 [6],[7],[9],[19]  
Investment, Identifier [Axis]: TA KHP Aggregator, L.P. | Common Stock              
Schedule of Investments [Line Items]              
Fair value   101 [3],[10]   101 [3],[10]   56 [6],[14]  
Cost   52 [3],[10]   52 [3],[10]   47 [6],[14]  
Investment, Identifier [Axis]: TA KHP Aggregator, L.P. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,010 [3],[11],[12],[13]   1,010 [3],[11],[12],[13]   1,012 [6],[7],[8],[9]  
Cost   1,004 [3],[11],[12],[13]   1,004 [3],[11],[12],[13]   1,010 [6],[7],[8],[9]  
Investment, Identifier [Axis]: TA KHP Aggregator, L.P. | Revolver              
Schedule of Investments [Line Items]              
Fair value   (3) [3],[11],[12],[13]   (3) [3],[11],[12],[13]   (4) [6],[7],[8],[9]  
Cost   (4) [3],[11],[12],[13]   (4) [3],[11],[12],[13]   (4) [6],[7],[8],[9]  
Investment, Identifier [Axis]: TA KHP Aggregator, L.P. | Subordinated Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,527 [3]   2,527 [3]   2,226 [6]  
Cost   2,510 [3]   2,510 [3]   2,218 [6]  
Investment, Identifier [Axis]: TA SL Cayman Aggregator Corp. | Common Stock              
Schedule of Investments [Line Items]              
Fair value   95 [3],[10]   95 [3],[10]   93 [6],[14]  
Cost   50 [3],[10]   50 [3],[10]   50 [6],[14]  
Investment, Identifier [Axis]: TA SL Cayman Aggregator Corp. | Subordinated Term Loan              
Schedule of Investments [Line Items]              
Fair value   3,530 [3],[12],[25]   3,530 [3],[12],[25]   3,148 [6],[28]  
Cost   3,519 [3],[12],[25]   3,519 [3],[12],[25]   3,133 [6],[28]  
Investment, Identifier [Axis]: TAPCO Buyer LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   9,482 [3],[11],[12]   9,482 [3],[11],[12]   9,492 [6],[9],[19]  
Cost   9,466 [3],[11],[12]   9,466 [3],[11],[12]   9,477 [6],[9],[19]  
Investment, Identifier [Axis]: TAPCO Buyer LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   433 [3]   433 [3]   523 [6],[14]  
Cost   364 [3]   364 [3]   364 [6],[14]  
Investment, Identifier [Axis]: TAPCO Buyer LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   199 [3],[11],[12],[13]   199 [3],[11],[12],[13]   (16) [6],[7],[9],[19]  
Cost   198 [3],[11],[12],[13]   198 [3],[11],[12],[13]   (17) [6],[7],[9],[19]  
Investment, Identifier [Axis]: THG Acquisition, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   6,659 [3],[12],[13],[18]   6,659 [3],[12],[13],[18]   5,401 [6],[7],[9],[19]  
Cost   6,630 [3],[12],[13],[18]   6,630 [3],[12],[13],[18]   5,384 [6],[7],[9],[19]  
Investment, Identifier [Axis]: THG Acquisition, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   574 [3],[12],[13],[18]   574 [3],[12],[13],[18]   190 [6],[7],[9],[19]  
Cost   568 [3],[12],[13],[18]   568 [3],[12],[13],[18]   186 [6],[7],[9],[19]  
Investment, Identifier [Axis]: TSYL Corporate Buyer, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   20,110 [3],[11],[12],[13]   20,110 [3],[11],[12],[13]   16,833 [6],[7],[8],[9]  
Cost   19,926 [3],[11],[12],[13]   19,926 [3],[11],[12],[13]   16,620 [6],[7],[8],[9]  
Investment, Identifier [Axis]: TSYL Corporate Buyer, Inc. | Partnership Units              
Schedule of Investments [Line Items]              
Fair value   49 [3],[10]   49 [3],[10]   36 [6],[14]  
Cost   5 [3],[10]   5 [3],[10]   5 [6],[14]  
Investment, Identifier [Axis]: TSYL Corporate Buyer, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   0 [3],[11],[12],[13]   0 [3],[11],[12],[13]   0 [6],[7],[8],[9]  
Cost   (4) [3],[11],[12],[13]   (4) [3],[11],[12],[13]   (5) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Tallman Equipment Co., Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   6,373   6,373      
Cost [3],[11],[12],[13]   6,367   6,367      
Investment, Identifier [Axis]: Tallman Equipment Co., Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   (13)   (13)      
Cost [3],[11],[12],[13]   (14)   (14)      
Investment, Identifier [Axis]: Tank Holding Corp | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   7,504 [3],[12],[18]   7,504 [3],[12],[18]   7,743 [6],[9],[19]  
Cost   7,707 [3],[12],[18]   7,707 [3],[12],[18]   7,743 [6],[9],[19]  
Investment, Identifier [Axis]: Tank Holding Corp | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   2,896 [3],[12],[18]   2,896 [3],[12],[18]   2,985 [6],[9],[19]  
Cost   2,954 [3],[12],[18]   2,954 [3],[12],[18]   2,963 [6],[9],[19]  
Investment, Identifier [Axis]: Tank Holding Corp | Revolver              
Schedule of Investments [Line Items]              
Fair value   58 [3],[12],[13],[18]   58 [3],[12],[13],[18]   (9) [6],[7],[9],[19]  
Cost   82 [3],[12],[13],[18]   82 [3],[12],[13],[18]   (8) [6],[7],[9],[19]  
Investment, Identifier [Axis]: Tanqueray Bidco Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [5],[6],[7],[9],[26]           1,779  
Cost [5],[6],[7],[9],[26]           1,515  
Investment, Identifier [Axis]: Team Air Distributing, LLC | Partnership Equity              
Schedule of Investments [Line Items]              
Fair value   0 [3],[10]   0 [3],[10]   212 [6],[14]  
Cost   523 [3],[10]   523 [3],[10]   523 [6],[14]  
Investment, Identifier [Axis]: Team Air Distributing, LLC | Preferred Stock 1              
Schedule of Investments [Line Items]              
Fair value [3],[10]   0   0      
Cost [3],[10]   48   48      
Investment, Identifier [Axis]: Team Air Distributing, LLC | Preferred Stock 2              
Schedule of Investments [Line Items]              
Fair value [3],[10]   0   0      
Cost [3],[10]   93   93      
Investment, Identifier [Axis]: Team Air Distributing, LLC | Subordinated Term Loan              
Schedule of Investments [Line Items]              
Fair value   634 [3],[20]   634 [3],[20]   717 [6]  
Cost   803 [3],[20]   803 [3],[20]   745 [6]  
Investment, Identifier [Axis]: Technology Service Stream BidCo Pty Ltd | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   999 [2],[3],[12],[13],[30]   999 [2],[3],[12],[13],[30]   821 [5],[6],[7],[9],[31]  
Cost   949 [2],[3],[12],[13],[30]   949 [2],[3],[12],[13],[30]   809 [5],[6],[7],[9],[31]  
Investment, Identifier [Axis]: Techone B.V. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [5],[6],[9],[17]           4,114  
Cost [5],[6],[9],[17]           3,831  
Investment, Identifier [Axis]: Techone B.V. | Revolver              
Schedule of Investments [Line Items]              
Fair value [5],[6],[7],[9],[17]           (2)  
Cost [5],[6],[7],[9],[17]           (23)  
Investment, Identifier [Axis]: Tencarva Machinery Company, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   9,167 [3],[11],[12],[13]   9,167 [3],[11],[12],[13]   7,507 [6],[7],[8],[9]  
Cost   9,095 [3],[11],[12],[13]   9,095 [3],[11],[12],[13]   7,457 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Tencarva Machinery Company, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   (8) [3],[11],[12],[13]   (8) [3],[11],[12],[13]   (17) [6],[7],[8],[9]  
Cost   (10) [3],[11],[12],[13]   (10) [3],[11],[12],[13]   (17) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Terrybear, Inc. | Partnership Equity              
Schedule of Investments [Line Items]              
Fair value   0 [3],[10]   0 [3],[10]   0 [6],[14]  
Cost   239 [3],[10]   239 [3],[10]   239 [6],[14]  
Investment, Identifier [Axis]: Terrybear, Inc. | Preferred Stock              
Schedule of Investments [Line Items]              
Fair value [3],[10]   169   169      
Cost [3],[10]   166   166      
Investment, Identifier [Axis]: Terrybear, Inc. | Subordinated Term Loan              
Schedule of Investments [Line Items]              
Fair value [6]           269  
Cost [6]           295  
Investment, Identifier [Axis]: The Caprock Group, Inc. (aka TA/TCG Holdings, LLC) | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   11,488 [3],[11],[12]   11,488 [3],[11],[12]   7,768 [6],[7],[9],[19]  
Cost   11,529 [3],[11],[12]   11,529 [3],[11],[12]   7,765 [6],[7],[9],[19]  
Investment, Identifier [Axis]: The Caprock Group, Inc. (aka TA/TCG Holdings, LLC) | Revolver              
Schedule of Investments [Line Items]              
Fair value   (23) [3],[11],[12],[13]   (23) [3],[11],[12],[13]   (18) [6],[7],[9],[19]  
Cost   (10) [3],[11],[12],[13]   (10) [3],[11],[12],[13]   (16) [6],[7],[9],[19]  
Investment, Identifier [Axis]: The Octave Music Group, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   55 [11],[12]   55 [11],[12]   58 [8],[9]  
Cost   59 [11],[12]   59 [11],[12]   60 [8],[9]  
Investment, Identifier [Axis]: The Octave Music Group, Inc. | Partnership Equity              
Schedule of Investments [Line Items]              
Fair value   1,401 [3],[10]   1,401 [3],[10]   1,956 [6],[14]  
Cost   677 [3],[10]   677 [3],[10]   677 [6],[14]  
Investment, Identifier [Axis]: Thompson Rivers LLC | 16.0% Member Interest              
Schedule of Investments [Line Items]              
Fair value   2,261 [10],[39],[45]   2,261 [10],[39],[45]   4,271 [14],[35],[46]  
Cost   18,024 [10],[39],[45]   18,024 [10],[39],[45]   20,021 [14],[35],[46]  
Investment, Identifier [Axis]: Thompson Rivers LLC | Member Interest              
Schedule of Investments [Line Items]              
Fair value           4,271 7,208
Investment, Identifier [Axis]: Transportation Insight, LLC | Class A Common Units              
Schedule of Investments [Line Items]              
Fair value [3],[10]   0   0      
Cost [3],[10]   0   0      
Investment, Identifier [Axis]: Transportation Insight, LLC | Class A Preferred Units              
Schedule of Investments [Line Items]              
Fair value [3],[10]   4,535   4,535      
Cost [3],[10]   3,099   3,099      
Investment, Identifier [Axis]: Transportation Insight, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12]   4,216   4,216      
Cost [3],[11],[12]   4,216   4,216      
Investment, Identifier [Axis]: Transportation Insight, LLC | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value [6],[9],[19]           6,876  
Cost [6],[9],[19]           11,211  
Investment, Identifier [Axis]: Transportation Insight, LLC | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value [6],[9],[19]           26  
Cost [6],[9],[19]           26  
Investment, Identifier [Axis]: Transportation Insight, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   641 [3],[11],[12],[13]   641 [3],[11],[12],[13]   0 [6],[7],[9],[19]  
Cost   589 [3],[11],[12],[13]   589 [3],[11],[12],[13]   (39) [6],[7],[9],[19]  
Investment, Identifier [Axis]: Trident Maritime Systems, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   11,303 [3],[11],[12]   11,303 [3],[11],[12]   12,583 [6],[8],[9]  
Cost   12,271 [3],[11],[12]   12,271 [3],[11],[12]   14,332 [6],[8],[9]  
Investment, Identifier [Axis]: Trintech, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[9],[19]           6,798  
Cost [6],[9],[19]           6,687  
Investment, Identifier [Axis]: Trintech, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value [6],[7],[9],[19]           151  
Cost [6],[7],[9],[19]           142  
Investment, Identifier [Axis]: Turbo Buyer, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [6],[8],[9]           8,008  
Cost [6],[8],[9]           8,095  
Investment, Identifier [Axis]: Turnberry Solutions, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   4,786 [3],[11],[12]   4,786 [3],[11],[12]   4,824 [6],[9],[19]  
Cost   4,764 [3],[11],[12]   4,764 [3],[11],[12]   4,810 [6],[9],[19]  
Investment, Identifier [Axis]: UBC Ledgers Holding AB | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   744 [2],[3],[12],[16]   744 [2],[3],[12],[16]   769 [5],[6],[9],[17]  
Cost   709 [2],[3],[12],[16]   709 [2],[3],[12],[16]   709 [5],[6],[9],[17]  
Investment, Identifier [Axis]: UBC Ledgers Holding AB | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   1,606 [2],[3],[12],[13],[59]   1,606 [2],[3],[12],[13],[59]   1,738 [5],[6],[7],[9],[60]  
Cost   1,499 [2],[3],[12],[13],[59]   1,499 [2],[3],[12],[13],[59]   1,494 [5],[6],[7],[9],[60]  
Investment, Identifier [Axis]: UHY Advisors, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   15,353 [3],[11],[12],[13]   15,353 [3],[11],[12],[13]   8,295 [6],[7],[8],[9]  
Cost   15,290 [3],[11],[12],[13]   15,290 [3],[11],[12],[13]   8,190 [6],[7],[8],[9]  
Investment, Identifier [Axis]: UHY Advisors, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   740 [3],[11],[12],[13]   740 [3],[11],[12],[13]   1,013 [6],[7],[8],[9]  
Cost   727 [3],[11],[12],[13]   727 [3],[11],[12],[13]   991 [6],[7],[8],[9]  
Investment, Identifier [Axis]: UKFast Leaders Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   11,922 [2],[3],[12],[22]   11,922 [2],[3],[12],[22]   12,323 [5],[6],[9],[26]  
Cost   11,961 [2],[3],[12],[22]   11,961 [2],[3],[12],[22]   11,915 [5],[6],[9],[26]  
Investment, Identifier [Axis]: UNA 658 Equity Management GmbH | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[13],[16]   1,276   1,276      
Cost [2],[3],[12],[13],[16]   1,306   1,306      
Investment, Identifier [Axis]: US Bank National Association Series 2025-1 | Structured Note - Class R              
Schedule of Investments [Line Items]              
Fair value   2,973 [2],[3],[11],[12]   2,973 [2],[3],[11],[12]   4,965 [5],[6],[8],[9]  
Cost   2,955 [2],[3],[11],[12]   2,955 [2],[3],[11],[12]   4,844 [5],[6],[8],[9]  
Investment, Identifier [Axis]: US Bank National Association Series 2025-2 | Structured Note - Class R              
Schedule of Investments [Line Items]              
Fair value   2,911 [2],[12],[18]   2,911 [2],[12],[18]   4,594 [5],[9],[19]  
Cost   2,887 [2],[12],[18]   2,887 [2],[12],[18]   4,594 [5],[9],[19]  
Investment, Identifier [Axis]: USLS Acquisition, Inc. (f/k/a US Legal Support, Inc.) | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   17,712 [3],[12],[18]   17,712 [3],[12],[18]   17,906 [6],[9],[19]  
Cost   17,759 [3],[12],[18]   17,759 [3],[12],[18]   17,856 [6],[9],[19]  
Investment, Identifier [Axis]: Union Bidco Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   1,054 [2],[3],[12],[29]   1,054 [2],[3],[12],[29]   1,049 [5],[6],[9],[27]  
Cost   960 [2],[3],[12],[29]   960 [2],[3],[12],[29]   957 [5],[6],[9],[27]  
Investment, Identifier [Axis]: Unither (Uniholding) | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   707 [2],[3],[12],[16]   707 [2],[3],[12],[16]   471 [5],[6],[7],[9],[17]  
Cost   672 [2],[3],[12],[16]   672 [2],[3],[12],[16]   415 [5],[6],[7],[9],[17]  
Investment, Identifier [Axis]: Unosquare, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,259 [3],[12],[13],[18]   2,259 [3],[12],[13],[18]   2,362 [6],[7],[9],[19]  
Cost   2,345 [3],[12],[13],[18]   2,345 [3],[12],[13],[18]   2,355 [6],[7],[9],[19]  
Investment, Identifier [Axis]: Unosquare, LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   149 [3],[10]   149 [3],[10]   216 [6],[14]  
Cost   261 [3],[10]   261 [3],[10]   261 [6],[14]  
Investment, Identifier [Axis]: Unosquare, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   (20) [3],[12],[13],[18]   (20) [3],[12],[13],[18]   (8) [6],[7],[9],[19]  
Cost   (8) [3],[12],[13],[18]   (8) [3],[12],[13],[18]   (9) [6],[7],[9],[19]  
Investment, Identifier [Axis]: Utac Ceram | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   1,769 [2],[3],[12],[16]   1,769 [2],[3],[12],[16]   1,837 [5],[6],[9],[17]  
Cost   1,810 [2],[3],[12],[16]   1,810 [2],[3],[12],[16]   1,804 [5],[6],[9],[17]  
Investment, Identifier [Axis]: Utac Ceram | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   3,653 [2],[3],[11],[12]   3,653 [2],[3],[11],[12]   3,668 [5],[6],[8],[9]  
Cost   3,655 [2],[3],[11],[12]   3,655 [2],[3],[11],[12]   3,646 [5],[6],[8],[9]  
Investment, Identifier [Axis]: VB Spine Intermediary II LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   46,049 [3],[11],[12]   46,049 [3],[11],[12]   44,443 [6],[8],[9]  
Cost   46,052 [3],[11],[12]   46,052 [3],[11],[12]   44,441 [6],[8],[9]  
Investment, Identifier [Axis]: VB Spine Intermediary II LLC | LLC Units              
Schedule of Investments [Line Items]              
Fair value   0 [3],[10]   0 [3],[10]   0 [6],[14]  
Cost   0 [3],[10]   0 [3],[10]   0 [6],[14]  
Investment, Identifier [Axis]: VOYA CLO 2015-2, LTD. | Subordinated Structured Notes              
Schedule of Investments [Line Items]              
Fair value [5],[14],[15]           41  
Cost [5],[14],[15]           2,434  
Investment, Identifier [Axis]: VOYA CLO 2016-2, LTD. | Subordinated Structured Notes              
Schedule of Investments [Line Items]              
Fair value [5],[14],[15]           1  
Cost [5],[14],[15]           673  
Investment, Identifier [Axis]: VPP Intermediate Holdings, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   4,256   4,256      
Cost [3],[11],[12],[13]   4,258   4,258      
Investment, Identifier [Axis]: VPP Intermediate Holdings, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[11],[12],[13]   (2)   (2)      
Cost [3],[11],[12],[13]   (2)   (2)      
Investment, Identifier [Axis]: Velocity Pooling Vehicle, LLC | Common Stock              
Schedule of Investments [Line Items]              
Fair value   2 [3],[10]   2 [3],[10]   2 [6],[14],[15]  
Cost   60 [3],[10]   60 [3],[10]   60 [6],[14],[15]  
Investment, Identifier [Axis]: Velocity Pooling Vehicle, LLC | Warrants              
Schedule of Investments [Line Items]              
Fair value   3 [3],[10]   3 [3],[10]   3 [6],[14],[15]  
Cost   72 [3],[10]   72 [3],[10]   72 [6],[14],[15]  
Investment, Identifier [Axis]: Victoria Bidco Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   3,988 [2],[3],[12],[29]   3,988 [2],[3],[12],[29]   4,013 [5],[6],[9],[27]  
Cost   4,112 [2],[3],[12],[29]   4,112 [2],[3],[12],[29]   4,098 [5],[6],[9],[27]  
Investment, Identifier [Axis]: Vista Acquisition, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [3],[12],[13],[18]   8,847   8,847      
Cost [3],[12],[13],[18]   8,839   8,839      
Investment, Identifier [Axis]: Vista Acquisition, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value [3],[12],[13],[18]   (8)   (8)      
Cost [3],[12],[13],[18]   (9)   (9)      
Investment, Identifier [Axis]: Vista Global Holding Ltd | Structured Secured Note - Class C              
Schedule of Investments [Line Items]              
Fair value   457 [2]   457 [2]   482 [5]  
Cost   475 [2]   475 [2]   488 [5]  
Investment, Identifier [Axis]: Vital Buyer, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   13,093 [3],[12],[25]   13,093 [3],[12],[25]   13,232 [6],[8],[9]  
Cost   13,069 [3],[12],[25]   13,069 [3],[12],[25]   13,172 [6],[8],[9]  
Investment, Identifier [Axis]: Vital Buyer, LLC | Partnership Units              
Schedule of Investments [Line Items]              
Fair value   482 [3],[10]   482 [3],[10]   566 [6]  
Cost   164 [3],[10]   164 [3],[10]   164 [6]  
Investment, Identifier [Axis]: WWEC Holdings III Corp | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   11,979 [3],[11],[12]   11,979 [3],[11],[12]   12,049 [6],[8],[9]  
Cost   11,895 [3],[11],[12]   11,895 [3],[11],[12]   11,977 [6],[8],[9]  
Investment, Identifier [Axis]: WWEC Holdings III Corp | Revolver              
Schedule of Investments [Line Items]              
Fair value   (5) [3],[11],[12],[13]   (5) [3],[11],[12],[13]   (15) [6],[7],[8],[9]  
Cost   (21) [3],[11],[12],[13]   (21) [3],[11],[12],[13]   (29) [6],[7],[8],[9]  
Investment, Identifier [Axis]: Waccamaw River LLC | 20% Member Interest              
Schedule of Investments [Line Items]              
Fair value   60 [2],[10],[39],[45]   60 [2],[10],[39],[45]   4,489 [5],[35],[46]  
Cost   12,664 [2],[10],[39],[45]   12,664 [2],[10],[39],[45]   17,070 [5],[35],[46]  
Investment, Identifier [Axis]: Waccamaw River LLC | Member Interest              
Schedule of Investments [Line Items]              
Fair value           4,489 10,730
Investment, Identifier [Axis]: Webcentral DEH | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[13],[16]   (98)   (98)      
Cost [2],[3],[12],[13],[16]   (95)   (95)      
Investment, Identifier [Axis]: West-NR Acquisitionco, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   12,944 [3],[11],[12],[13]   12,944 [3],[11],[12],[13]   10,900 [6],[7],[8],[9]  
Cost   13,022 [3],[11],[12],[13]   13,022 [3],[11],[12],[13]   10,696 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Whitcraft Holdings, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   12,949 [3],[11],[12]   12,949 [3],[11],[12]   12,845 [6],[7],[8],[9]  
Cost   12,877 [3],[11],[12]   12,877 [3],[11],[12]   12,759 [6],[7],[8],[9]  
Investment, Identifier [Axis]: Whitcraft Holdings, Inc. | LP Units              
Schedule of Investments [Line Items]              
Fair value   1,537 [3],[10]   1,537 [3],[10]   1,164 [6],[14]  
Cost   631 [3],[10]   631 [3],[10]   631 [6],[14]  
Investment, Identifier [Axis]: Whitcraft Holdings, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   1,006 [3],[11],[12],[13]   1,006 [3],[11],[12],[13]   (17) [6],[7],[8],[9]  
Cost   988 [3],[11],[12],[13]   988 [3],[11],[12],[13]   (40) [6],[7],[8],[9]  
Investment, Identifier [Axis]: White Bidco Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,275 [2],[3],[11],[12]   2,275 [2],[3],[11],[12]   2,247 [5],[6],[8],[9]  
Cost   2,237 [2],[3],[11],[12]   2,237 [2],[3],[11],[12]   2,232 [5],[6],[8],[9]  
Investment, Identifier [Axis]: Woodland Foods, LLC | Common Stock              
Schedule of Investments [Line Items]              
Fair value   2,095 [3],[10]   2,095 [3],[10]   1,815 [6],[14]  
Cost   1,663 [3],[10]   1,663 [3],[10]   1,663 [6],[14]  
Investment, Identifier [Axis]: Woodland Foods, LLC | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   17,004 [3],[11],[12]   17,004 [3],[11],[12]   17,036 [6],[8],[9]  
Cost   16,972 [3],[11],[12]   16,972 [3],[11],[12]   17,019 [6],[8],[9]  
Investment, Identifier [Axis]: Woodland Foods, LLC | Preferred Stock 1              
Schedule of Investments [Line Items]              
Fair value   745 [3]   745 [3]   551 [6]  
Cost   601 [3]   601 [3]   519 [6]  
Investment, Identifier [Axis]: Woodland Foods, LLC | Preferred Stock 2              
Schedule of Investments [Line Items]              
Fair value   166 [3]   166 [3]   145 [6]  
Cost   166 [3]   166 [3]   143 [6]  
Investment, Identifier [Axis]: Woodland Foods, LLC | Revolver              
Schedule of Investments [Line Items]              
Fair value   579 [3],[11],[12],[13]   579 [3],[11],[12],[13]   (28) [6],[7],[8],[9]  
Cost   585 [3],[11],[12],[13]   585 [3],[11],[12],[13]   (22) [6],[7],[8],[9]  
Investment, Identifier [Axis]: World 50, Inc. | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   13,539 [3],[11],[12]   13,539 [3],[11],[12]   13,757 [6],[9],[28]  
Cost   13,391 [3],[11],[12]   13,391 [3],[11],[12]   13,547 [6],[9],[28]  
Investment, Identifier [Axis]: World 50, Inc. | Revolver              
Schedule of Investments [Line Items]              
Fair value   (2) [3],[11],[12],[13]   (2) [3],[11],[12],[13]   0 [6],[7],[9],[28]  
Cost   (11) [3],[11],[12],[13]   (11) [3],[11],[12],[13]   (14) [6],[7],[9],[28]  
Investment, Identifier [Axis]: Xeinadin Bidco Limited | Common Stock              
Schedule of Investments [Line Items]              
Fair value   607 [2],[3],[10]   607 [2],[3],[10]   1,228 [5],[6],[14]  
Cost   565 [2],[3],[10]   565 [2],[3],[10]   565 [5],[6],[14]  
Investment, Identifier [Axis]: Xeinadin Bidco Limited | First Lien Senior Secured Term Loan 1              
Schedule of Investments [Line Items]              
Fair value   318 [2],[3],[12],[23]   318 [2],[3],[12],[23]   329 [5],[6],[9],[24]  
Cost   305 [2],[3],[12],[23]   305 [2],[3],[12],[23]   305 [5],[6],[9],[24]  
Investment, Identifier [Axis]: Xeinadin Bidco Limited | First Lien Senior Secured Term Loan 2              
Schedule of Investments [Line Items]              
Fair value   9,349 [2],[3],[12],[29]   9,349 [2],[3],[12],[29]   9,465 [5],[6],[9],[27]  
Cost   8,724 [2],[3],[12],[29]   8,724 [2],[3],[12],[29]   8,694 [5],[6],[9],[27]  
Investment, Identifier [Axis]: Xeinadin Bidco Limited | Subordinated Term Loan              
Schedule of Investments [Line Items]              
Fair value   5,043 [2],[3],[12],[29]   5,043 [2],[3],[12],[29]   4,431 [5],[6],[27]  
Cost   4,843 [2],[3],[12],[29]   4,843 [2],[3],[12],[29]   4,138 [5],[6],[27]  
Investment, Identifier [Axis]: Zelda Luxco S.A.S | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,882 [2],[3],[12],[23]   2,882 [2],[3],[12],[23]   1,707 [5],[6],[7],[9],[24]  
Cost   2,919 [2],[3],[12],[23]   2,919 [2],[3],[12],[23]   1,688 [5],[6],[7],[9],[24]  
Investment, Identifier [Axis]: Zeppelin Bidco Limited | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value   2,183 [2],[3],[12],[29],[39]   2,183 [2],[3],[12],[29],[39]   2,565 [5],[6],[9],[27],[35] 0
Cost   2,291 [2],[3],[12],[29],[39]   2,291 [2],[3],[12],[29],[39]   2,010 [5],[6],[9],[27],[35]  
Investment, Identifier [Axis]: Zeppelin Bidco Limited | Ordinary Shares              
Schedule of Investments [Line Items]              
Fair value   0 [2],[3],[10],[39]   0 [2],[3],[10],[39]   82 [5],[6],[14],[35]  
Cost   0 [2],[3],[10],[39]   0 [2],[3],[10],[39]   0 [5],[6],[14],[35]  
Investment, Identifier [Axis]: Zeppelin Bidco Limited | Ordinary Shares(879 shares)              
Schedule of Investments [Line Items]              
Fair value           82 $ 0
Investment, Identifier [Axis]: Zest Bidco GmbH | First Lien Senior Secured Term Loan              
Schedule of Investments [Line Items]              
Fair value [2],[3],[12],[13],[23]   2,180   2,180      
Cost [2],[3],[12],[13],[23]   2,195   2,195      
Investment, Identifier [Axis]: iCreditWorks LLC | Preferred Stock              
Schedule of Investments [Line Items]              
Fair value [3]   12,032   12,032      
Cost [3]   12,338   12,338      
Investment, Identifier [Axis]: iCreditWorks LLC | Warrants              
Schedule of Investments [Line Items]              
Fair value [3],[10]   0   0      
Cost [3],[10]   0   0      
Sierra JV              
Schedule of Investments [Line Items]              
Dividends   $ 0 2,000 18,700 6,000    
Total dividend income     $ 1,800 200 $ 5,400    
Distributions recognized as a return of capital       $ 16,500      
Fair value           2,701  
Cost           $ 2,721  
Weighted average yield           11.40%  
MassMutual Ascend Life Insurance Company              
Schedule of Investments [Line Items]              
Number of members | member 2            
All Members Of Sierra JV              
Schedule of Investments [Line Items]              
Number of members | member 4            
[1] Payment-in-kind (“PIK”) non-accrual investment.
[2] Investment is not a qualifying investment as defined under Section 55(a) of the 1940 Act. Non-qualifying assets represent 22.8% of total investments at fair value as of September 30, 2026. Qualifying assets must represent at least 70% of total assets at the time of acquisition of any additional non-qualifying assets. If at any time qualifying assets do not represent at least 70% of the Company’s total assets, the Company will be precluded from acquiring any additional non-qualifying asset until such time as it complies with the requirements of Section 55(a).
[3] The fair value of the investment was determined using significant unobservable inputs.
[4] PIK non-accrual investment.
[5] Investment is not a qualifying investment as defined under Section 55(a) of the 1940 Act. Non-qualifying assets represent 24.0% of total investments at fair value as of December 31, 2025. Qualifying assets must represent at least 70% of total assets at the time of acquisition of any additional non-qualifying assets. If at any time qualifying assets do not represent at least 70% of the Company’s total assets, the Company will be precluded from acquiring any additional non-qualifying asset until such time as it complies with the requirements of Section 55(a).
[6] The fair value of the investment was determined using significant unobservable inputs.
[7] Position or portion thereof is an unfunded loan or equity commitment.
[8] The interest rate on these loans is subject to 3 Month SOFR, which as of December 31, 2025 was 3.65166%.
[9] Debt investment includes interest rate floor feature.
[10] Investment is non-income producing.
[11] The interest rate on these loans is subject to 3 Month SOFR, which as of September 30, 2026 was 4.08330%.
[12] Debt investment includes interest rate floor feature.
[13] Position or portion thereof is an unfunded loan or equity commitment.
[14] Investment is non-income producing.
[15] Investment was purchased as part of the Sierra Merger and is part of the Prior Sierra Reference Portfolio for purposes of the Prior Sierra Credit Support Agreement.
[16] The interest rate on these loans is subject to 3 Month EURIBOR, which as of September 30, 2026 was 2.61700%.
[17] The interest rate on these loans is subject to 3 Month EURIBOR, which as of December 31, 2025 was 2.02600%.
[18] The interest rate on these loans is subject to 1 Month SOFR, which as of September 30, 2026 was 3.91252%.
[19] The interest rate on these loans is subject to 1 Month SOFR, which as of December 31, 2025 was 3.68751%.
[20] Non-accrual investment.
[21] Non-accrual investment.
[22] The interest rate on these loans is subject to 3 Month SONIA, which as of September 30, 2026 was 3.74800%.
[23] The interest rate on these loans is subject to 6 Month EURIBOR, which as of September 30, 2026 was 3.07400%.
[24] The interest rate on these loans is subject to 6 Month EURIBOR, which as of December 31, 2025 was 2.10700%.
[25] The interest rate on these loans is subject to 6 Month SOFR, which as of September 30, 2026 was 4.26907%.
[26] The interest rate on these loans is subject to 3 Month SONIA, which as of December 31, 2025 was 3.71660%.
[27] The interest rate on these loans is subject to 6 Month SONIA, which as of December 31, 2025 was 3.64430%.
[28] The interest rate on these loans is subject to 6 Month SOFR, which as of December 31, 2025 was 3.57418%.
[29] The interest rate on these loans is subject to 6 Month SONIA, which as of September 30, 2026 was 3.76542%.
[30] The interest rate on these loans is subject to 3 Month BBSY, which as of September 30, 2026 was 4.77150%.
[31] The interest rate on these loans is subject to 3 Month BBSY, which as of December 31, 2025 was 3.73750%.
[32] The interest rate on these loans is subject to 1 Month CORRA, which as of September 30, 2026 was 2.30555%.
[33] The interest rate on these loans is subject to 1 Month EURIBOR, which as of December 31, 2025 was 1.93900%.
[34] Non-accrual investment
[35] In accordance with the 1940 Act, the Company is deemed to be an “affiliated person” of the portfolio company as the Company owns at least 5% but not more than 25% of the portfolio company’s outstanding voting securities and does not otherwise control (“non-controlled affiliate”). Transactions related to investments in non-controlled “Affiliate Investments” for the year ended December 31, 2025 were as follows:
December 31, 2024
Value		Gross Additions
(a)		Gross Reductions (b)Amount of Realized Gain (Loss)Amount of Unrealized Gain (Loss)December 31,
2025
 Value		Amount of Interest or Dividends Credited to Income(c)
Portfolio CompanyType of Investment
Biolam(d)
First Lien Senior Secured Term Loan (EURIBOR + 4.50%, 6.5% PIK)(e)
$— $1,258 $(128)$44 $557 $1,731 $(27)
Ordinary Shares
(42,639,498 shares)
— — — — — — — 
— 1,258 (128)44 557 1,731 (27)
Celebration Bidco, LLC(d)
First Lien Senior Secured Term Loan (SOFR + 8.00%, 11.7% PIK)
6,414 2,266 — — (217)8,463 987 
Common Stock
(1,243,071 shares)
11,262 — — — (2,337)8,925 — 
17,676 2,266 — — (2,554)17,388 987 
Coastal Marina Holdings, LLC(d)
Subordinated Term Loan
(8.0% Cash)
15,770 103 — — 18 15,891 1,432 
Subordinated Term Loan
(8.0% Cash)
7,271 38 — — 18 7,327 650 
LLC Units (3,518,097 units)
16,852 — — — 3,131 19,983 — 
39,893 141 — — 3,167 43,201 2,082 
Eclipse Business Capital, LLC(d)
Revolver (SOFR + 6.50%, 10.3% Cash)
10,091 8,650 (8,820)— (12)9,909 1,116 
Second Lien Senior Secured Term Loan (7.5% Cash)
4,545 7 — — (6)4,546 354 
LLC units (89,447,396 units)
136,855 23 — — 2,661 139,539 16,551 
151,491 8,680 (8,820)— 2,643 153,994 18,021 
December 31, 2024
Value		Gross Additions
(a)		Gross Reductions (b)Amount of Realized Gain (Loss)Amount of Unrealized Gain (Loss)December 31,
2025
 Value		Amount of Interest or Dividends Credited to Income(c)
Portfolio CompanyType of Investment
Jocassee Partners LLC
9.1% Member Interest
$40,761 $— $— $— $(2,775)$37,986 $5,709 
40,761 — — — (2,775)37,986 5,709 
Rocade Holdings LLC(d)
Second Lien Senior Secured Term Loan (SOFR + 8.00%, 11.9% Cash)
— 2,671 — — (4)2,667 38 
Preferred LP Units (71,000 units) (SOFR + 6.00%, 9.9% PIK)
83,000 8,818 (2,355)— (13)89,450 8,818 
Common LP Units (23.8 units)
243 — — — 3,353 3,596 308 
83,243 11,489 (2,355)— 3,336 95,713 9,164 
Sierra Senior Loan Strategy JV I LLC
89.01% Member Interest
41,453 — (20,472)— (4,577)16,404 7,121 
41,453 — (20,472)— (4,577)16,404 7,121 
Skyvault Holdings LLC(d)
First Lien Senior Secured Term Loan (12.0% Cash)
3,586 12,615 (181)— — 16,020 1,409 
LLC Units (5,340,186.4 units)
1,195 4,153 — — (9)5,339 — 
4,781 16,768 (181)— (9)21,359 1,409 
Thompson Rivers LLC
16.0% Member Interest
7,208 — (2,876)— (61)4,271 — 
7,208 — (2,876)— (61)4,271 — 
Waccamaw River LLC
20% Member Interest
10,730 — (5,843)— (398)4,489 907 
10,730 — (5,843)— (398)4,489 907 
Zeppelin Bidco Limited(d)
First Lien Senior Secured Term Loan (SONIA + 6.50%, 10.5% Cash)
— 2,826 (13)(4,835)4,587 2,565 111 
Ordinary Shares
(879 shares)
— — — — 82 82 — 
— 2,826 (13)(4,835)4,669 2,647 111 
Total Affiliate Investments$397,236 $43,428 $(40,688)$(4,791)$3,998 $399,183 $45,484 

(a)     Gross additions include increases in the cost basis of investments resulting from new investments, follow-on investments, payment-in-kind interest or dividends, the amortization of any unearned income or discounts on debt investments, as applicable.
(b)    Gross reductions include decreases in the total cost basis of investments resulting from principal repayments, sales and return of capital.
(c) Represents the total amount of interest, fees or dividends credited to income for the portion of the year an investment was included in the Affiliate category.
(d) The fair value of the investment was determined using significant unobservable inputs.
(e) Non-accrual investment
[36] Non-accrual investment
[37] Non-accrual investment.
[38] The interest rate on these loans is subject to 3 Month CORRA, which as of December 31, 2025 was 2.30000%.
[39] In accordance with the 1940 Act, the Company is deemed to be an “affiliated person” of the portfolio company as the Company owns at least 5% but not more than 25% of the portfolio company’s outstanding voting securities and does not otherwise control (“non-controlled affiliate”). Transactions related to investments in non-controlled “Affiliate Investments” for the nine months ended September 30, 2026 were as follows:
December 31, 2025
Value		Gross Additions
(a)		Gross Reductions (b)Amount of Realized Gain (Loss)Amount of Unrealized Gain (Loss)September 30,
2026
Value		Amount of Interest or Dividends Credited to Income(c)
Portfolio CompanyType of Investment
Biolam(d)
First Lien Senior Secured Term Loan (EURIBOR + 4.50%, 6.6% PIK)(e)
$1,731 $— $(1,304)$(1,233)$806 $— $— 
Ordinary Shares
(42,639,498 shares)
— — — — — — — 
1,731 — (1,304)(1,233)806 — — 
Celebration Bidco, LLC(d)
First Lien Senior Secured Term Loan (SOFR + 8.00%, 12.1% Cash)
8,463 43 — — 72 8,578 774 
Common Stock
(1,243,071 shares)
8,925 — — — 1,293 10,218 — 
17,388 43 — — 1,365 18,796 774 
December 31, 2025
Value		Gross Additions
(a)		Gross Reductions (b)Amount of Realized Gain (Loss)Amount of Unrealized Gain (Loss)September 30,
2026
Value		Amount of Interest or Dividends Credited to Income(c)
Portfolio CompanyType of Investment
Coastal Marina Holdings, LLC(d)
Subordinated Term Loan
(8.0% Cash)
$15,891 $94 $(226)$— $25 $15,784 $1,088 
Subordinated Term Loan
(8.0% Cash)
7,327 46 (339)— 17 7,051 504 
LLC Units (3,518,097 units)
19,983 — — — 1,302 21,285 513 
43,201 140 (565)— 1,344 44,120 2,105 
Eclipse Business Capital, LLC(d)
First Lien Senior Secured Term Loan (SOFR + 6.60%, 10.5% Cash)
— 3,333 — — — 3,333 124 
Revolver (SOFR + 6.60%, 10.5% Cash)
9,909 44,862 (42,485)— (13)12,273 774 
Second Lien Senior Secured Term Loan (7.5% Cash)
4,546 4 — — (4)4,546 265 
LLC units (89,447,396 units)
139,539 — — — — 139,539 12,111 
153,994 48,199 (42,485)— (17)159,691 13,274 
EMI Porta Holdco LLC(d)
First Lien Senior Secured Term Loan (SOFR + 5.50%, 9.2% Cash)
— 4,656 (252)— — 4,404 166 
Revolver (SOFR + 5.50%, 9.2% Cash)
— 127 (127)— — — 2 
Preferred Stock
(2,322,860 shares)
(12.0% PIK)
— 2,432 — — 7 2,439 109 
Common Stock
(6,017,772 shares)
— 3,004 — — 907 3,911 — 
— 10,219 (379)— 914 10,754 277 
Jocassee Partners LLC
9.1% Member Interest
37,986 — — — (6,827)31,159 8,564 
37,986 — — — (6,827)31,159 8,564 
Policy Services Company, LLC(d)
First Lien Senior Secured Term Loan (SOFR + 6.00%, 14.3% PIK)
— 56,563 — — (7,594)48,969 4,196 
Class A Units
(251.4 units)
— — — — — — — 
Warrants - Class A
(2.5582 units)
— — — — — — — 
Warrants - Class B
(0.8634 units)
— — — — — — — 
Warrants - Class CC
(0.0888 units)
— — — — — — — 
Warrants - Class D
(0.2471 units)
— — — — — — 
— 56,563 — — (7,594)48,969 4,196 
Rocade Holdings LLC(d)
Second Lien Senior Secured Term Loan (SOFR + 8.00%, 11.7% Cash)
2,667 9,292 — — (10)11,949 704 
Preferred LP Units (71,000 units) (SOFR + 6.00%, 9.9% Cash)
89,450 6,439 (7,010)— (8)88,871 6,439 
Common LP Units (23.8 units)
3,596 — — — 1,873 5,469 1,236 
95,713 15,731 (7,010)— 1,855 106,289 8,379 
Sierra Senior Loan Strategy JV I LLC
89.01% Member Interest
16,404 — (16,437)— 33 — 223 
16,404 — (16,437)— 33 — 223 
Skyvault Holdings LLC(d)
First Lien Senior Secured Term Loan (12.0% Cash)
16,020 123 (1,527)— — 14,616 1,427 
LLC Units (5,381,304.8 units)
5,339 41 (2,140)— 3,055 6,295 1,899 
21,359 164 (3,667)— 3,055 20,911 3,326 
Thompson Rivers LLC
16.0% Member Interest
4,271 — (1,997)— (13)2,261 — 
4,271 — (1,997)— (13)2,261 — 
December 31, 2025
Value		Gross Additions
(a)		Gross Reductions (b)Amount of Realized Gain (Loss)Amount of Unrealized Gain (Loss)September 30,
2026
Value		Amount of Interest or Dividends Credited to Income(c)
Portfolio CompanyType of Investment
Waccamaw River LLC
20% Member Interest
$4,489 $— $(4,406)$— $(23)$60 $161 
4,489 — (4,406)— (23)60 161 
Zeppelin Bidco Limited(d)
First Lien Senior Secured Term Loan (SONIA + 6.50%, 3.8% Cash, 6.5% PIK)
2,565 282 — — (664)2,183 216 
Ordinary Shares (879 shares)
82 — — — (82)— — 
2,647 282 — — (746)2,183 216 
Total Affiliate Investments$399,183 $131,341 $(78,250)$(1,233)$(5,848)$445,193 $41,495 
(a)     Gross additions include increases in the cost basis of investments resulting from new investments, follow-on investments, payment-in-kind interest or dividends, the amortization of any unearned income or discounts on debt investments, as applicable.
(b)    Gross reductions include decreases in the total cost basis of investments resulting from principal repayments, sales and return of capital.
(c) Represents the total amount of interest, fees or dividends credited to income for the portion of the year an investment was included in the Affiliate category.
(d) The fair value of the investment was determined using significant unobservable inputs.
(e) Non-accrual investment
[40] The interest rate on these loans is subject to 6 Month CORRA, which as of September 30, 2026 was 2.29821%.
[41] The interest rate on these loans is subject to 1 Month EURIBOR, which as of September 30, 2026 was 2.49600%.
[42] The interest rate on these loans is subject to 3 Month BKBM, which as of September 30, 2026 was 3.13000%.
[43] The interest rate on these loans is subject to 3 Month BKBM, which as of December 31, 2025 was 2.49000%.
[44] The interest rate on these loans is subject to 1 Month SARON, which as of December 31, 2025 was -0.04570%.
[45] Portfolio company does not issue shares or units; member interest is based on commitments.
[46] Portfolio company does not issue shares or units, member interest is based on commitments.
[47] Investment was purchased as part of the Sierra Merger and is part of the New Sierra Reference Portfolio for purposes of the New Sierra Credit Support Agreement.
[48] Investment was purchased from MVC Capital, Inc. (“MVC”) in connection with the MVC Acquisition (as defined in “Note 2. Agreements and Related Party Transactions”).
[49] As defined in the 1940 Act, the Company is deemed to be both an “affiliated person” and “control” the portfolio company because it owns more than 25% of the portfolio company’s outstanding voting securities or it has the power to exercise control over the management or policies of such portfolio company (including through a management agreement). Transactions as of and during the year ended December 31, 2025 in which the portfolio company is deemed to be a “Control Investment” of the Company were as follows:
December 31, 2024
Value		Gross Additions
(a)		Gross Reductions (b)Amount of Realized Gain (Loss)Amount of Unrealized Gain (Loss)December 31, 2025
Value		Amount of Interest or Dividends Credited to Income(c)
Portfolio CompanyType of Investment
Black Angus Steakhouses, LLC(d)
First Lien Senior Secured Term Loan (14.4% PIK)(e)
$2,744 $— $(610)$(7,481)$5,347 $— $(6)
First Lien Senior Secured Term Loan (10.0% PIK)(e)
— — — (9,628)9,628 — — 
LLC Units (44.6 units)
— — — — — — — 
2,744 — (610)(17,109)14,975 — (6)
MVC Automotive Group GmbH(d)
First Lien Senior Secured Term Loan (7.0% Cash)
— 2,338 (2,341)3 — — 85 
Common Equity Interest (18,000 Shares)
13,741 4,000 — — (3,598)14,143 — 
13,741 6,338 (2,341)3 (3,598)14,143 85 
MVC Private Equity Fund LP
General Partnership Interest
(1,831.4 units)
— — — (183)183 — — 
Limited Partnership Interest
(71,790.4 units)
11 — (116)(7,166)7,271 — — 
11 — (116)(7,349)7,454 — — 
Security Holdings B.V(d)
Bridge Loan (5.0% PIK)
6,655 342 — — — 6,997 342 
Revolver (6.0% Cash)
5,333 165 (3)2 728 6,225 379 
Senior Unsecured Term Loan (6.0% Cash, 9.0% PIK)
2,293 299 — — 317 2,909 474 
Senior Subordinated Term Loan (3.1% PIK)
11,191 374 — — — 11,565 360 
Common Stock Series A (17,100 shares)
399 — — — 37 436 — 
Common Stock Series B (1,236 shares)
37,296 — — — 3,406 40,702 2,817 
63,167 1,180 (3)2 4,488 68,834 4,372 
Total Control Investments$79,663 $7,518 $(3,070)$(24,453)$23,319 $82,977 $4,451 
(a) Gross additions include increases in the cost basis of investments resulting from new investments, follow-on investments, payment-in-kind interest or dividends, the amortization of any unearned income or discounts on debt investments, as applicable.
(b)     Gross reductions include decreases in the total cost basis of investments resulting from principal repayments, sales and return of capital.
(c)    Represents the total amount of interest, fees or dividends credited to income for the portion of the year an investment was included in the Control category.
(d) The fair value of the investment was determined using significant unobservable inputs.
(e) Non-accrual investment.
[50] As defined in the 1940 Act, the Company is deemed to be both an “affiliated person” and “control” the portfolio company because it owns more than 25% of the portfolio company’s outstanding voting securities or it has the power to exercise control over the management or policies of such portfolio company (including through a management agreement). Transactions as of and during the nine months ended September 30, 2026 in which the portfolio company is deemed to be a “Control Investment” of the Company were as follows:
December 31, 2025
Value		Gross Additions
(a)		Gross Reductions (b)Amount of Realized Gain (Loss)Amount of Unrealized Gain (Loss)September 30,
2026
Value		Amount of Interest or Dividends Credited to Income(c)
Portfolio CompanyType of Investment
MVC Automotive Group GmbH(d)
First Lien Senior Secured Term Loan (7.7% Cash)
$— $4,833 $— $— $(62)$4,771 $106 
First Lien Senior Secured Term Loan (EURIBOR + 7.65%, 9.9% Cash)
— 5,582 (3,733)(63)(81)1,705 198 
Common Equity Interest (25,404 Shares)
14,143 — — — (5,603)8,540 — 
14,143 10,415 (3,733)(63)(5,746)15,016 304 
Security Holdings B.V(d)
First Lien Senior Secured Term Loan (6.0% PIK)
— 1,496 — — (19)1,477 16 
Bridge Loan (5.0% PIK)
6,997 176 — — — 7,173 268 
Revolver (6.0% PIK)
6,225 5,527 — (6)(495)11,251 443 
Senior Subordinated Term Loan (3.1% PIK)
11,565 342 — — — 11,907 277 
Senior Unsecured Term Loan (15.0% PIK)
2,909 335 — — (98)3,146 337 
Common Stock Series A (17,100 shares)
436 — — — 33 469 — 
Common Stock Series B (1,236 shares)
40,702 — — — 3,138 43,840 — 
68,834 7,876 — (6)2,559 79,263 1,341 
Total Control Investments$82,977 $18,291 $(3,733)$(69)$(3,187)$94,279 $1,645 
(a) Gross additions include increases in the cost basis of investments resulting from new investments, follow-on investments, payment-in-kind interest or dividends, the amortization of any unearned income or discounts on debt investments, as applicable.
(b)     Gross reductions include decreases in the total cost basis of investments resulting from principal repayments, sales and return of capital.
(c)    Represents the total amount of interest, fees or dividends credited to income for the portion of the year an investment was included in the Control category.
(d) The fair value of the investment was determined using significant unobservable inputs.
[51] The interest rate on these loans is subject to 1 Month SONIA, which as of September 30, 2026 was 3.73630%.
[52] The interest rate on these loans is subject to 3 Month NIBOR, which as of September 30, 2026 was 4.80000%.
[53] The interest rate on these loans is subject to 1 Month NIBOR, which as of December 31, 2025 was 3.89000%.
[54] The interest rate on these loans is subject to 6 Month BBSY, which as of December 31, 2025 was 4.12100%.
[55] The interest rate on these loans is subject to 6 Month BBSY, which as of September 30, 2026 was 5.12300%.
[56] The interest rate on these loans is subject to 1 Month BBSY, which as of December 31, 2025 was 3.55000%.
[57] The interest rate on these loans is subject to 3 Month SARON, which as of September 30, 2026 was -0.04590%
[58] The interest rate on these loans is subject to 3 Month SARON, which as of December 31, 2025 was -0.04360%.
[59] The interest rate on these loans is subject to 3 Month STIBOR, which as of September 30, 2026 was 2.00700%.
[60] The interest rate on these loans is subject to 3 Month STIBOR, which as of December 31, 2025 was 1.95800%.