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Investments - Individual Investments in the Portfolios of SLP III and SLP IV (Details)
€ in Thousands, £ in Thousands, $ in Thousands
Sep. 30, 2023
USD ($)
Sep. 30, 2023
GBP (£)
Sep. 30, 2023
EUR (€)
Dec. 31, 2022
USD ($)
Dec. 31, 2022
GBP (£)
Dec. 31, 2022
EUR (€)
Jun. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
Mar. 31, 2021
USD ($)
May 03, 2013
USD ($)
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost $ 3,168,719 [1]     $ 3,259,967 [2]            
Investments at fair value 3,111,903 [1]     3,221,247 [2]            
Investment, Identifier [Axis]: AAC Lender Holdings, LLC, Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 0 [3],[4]     0 [5],[6],[7]            
Investments at fair value $ 0 [3],[4]     $ 0 [5],[6],[7]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8],[9] 5.50% [3],[8],[9] 5.50% [3],[8],[9] 5.50% [5],[6],[10] 5.50% [5],[6],[10] 5.50% [5],[6],[10]        
Interest Rate 10.92% [3],[8],[9],[11] 10.92% [3],[8],[9],[11] 10.92% [3],[8],[9],[11] 9.82% [5],[6],[10],[12] 9.82% [5],[6],[10],[12] 9.82% [5],[6],[10],[12]        
Principal Amount, Par Value $ 20,851 [3],[8],[9],[13]     $ 12,357 [5],[6],[10],[14]            
Cost 20,714 [3],[8],[9]     12,369 [5],[6],[10]            
Investments at fair value $ 20,601 [3],[8],[9]     $ 12,204 [5],[6],[10]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[9],[15] 5.50% [3],[9],[15] 5.50% [3],[9],[15] 5.50% [5],[10],[16] 5.50% [5],[10],[16] 5.50% [5],[10],[16]        
Interest Rate 10.92% [3],[9],[11],[15] 10.92% [3],[9],[11],[15] 10.92% [3],[9],[11],[15] 9.82% [5],[10],[12],[16] 9.82% [5],[10],[12],[16] 9.82% [5],[10],[12],[16]        
Principal Amount, Par Value $ 6,765 [3],[9],[13],[15]     $ 4,009 [5],[10],[14],[16]            
Cost 6,720 [3],[9],[15]     4,013 [5],[10],[16]            
Investments at fair value 6,684 [3],[9],[15]     3,959 [5],[10],[16]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[10],[14],[16]       4,231            
Cost [5],[10],[16]       (42)            
Investments at fair value [5],[10],[16]       (52)            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 1,434 [3],[9],[13],[15]     3,659 [5],[6],[10],[14]            
Cost (14) [3],[9],[15]     (37) [5],[6],[10]            
Investments at fair value (17) [3],[9],[15]     (45) [5],[6],[10]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 3,659 [3],[4],[9],[13]     13,041 [5],[6],[10],[14]            
Cost (37) [3],[4],[9]     (130) [5],[6],[10]            
Investments at fair value (44) [3],[4],[9]     $ (162) [5],[6],[10]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien - Undrawn 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[8],[9],[13] 4,421                  
Cost [3],[8],[9] (44)                  
Investments at fair value [3],[8],[9] $ (53)                  
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[17] 5.50% [3],[17] 5.50% [3],[17] 5.50% [5],[18] 5.50% [5],[18] 5.50% [5],[18]        
Interest Rate 10.92% [3],[11],[17] 10.92% [3],[11],[17] 10.92% [3],[11],[17] 9.89% [5],[12],[18] 9.89% [5],[12],[18] 9.89% [5],[12],[18]        
Principal Amount, Par Value $ 20,478 [3],[13],[17]     $ 20,634 [5],[14],[18]            
Cost 20,323 [3],[17]     20,457 [5],[18]            
Investments at fair value $ 20,232 [3],[17]     $ 20,378 [5],[18]            
Investment, Identifier [Axis]: AAH Topco, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[15] 5.50% [3],[15] 5.50% [3],[15] 5.50% [5],[16] 5.50% [5],[16] 5.50% [5],[16]        
Interest Rate 10.92% [3],[11],[15] 10.92% [3],[11],[15] 10.92% [3],[11],[15] 9.89% [5],[12],[16] 9.89% [5],[12],[16] 9.89% [5],[12],[16]        
Principal Amount, Par Value $ 9,723 [3],[13],[15]     $ 9,797 [5],[14],[16]            
Cost 9,649 [3],[15]     9,713 [5],[16]            
Investments at fair value $ 9,606 [3],[15]     $ 9,676 [5],[16]            
Investment, Identifier [Axis]: AAH Topco, LLC, Subordinated 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 11.50% [3],[4],[19] 11.50% [3],[4],[19] 11.50% [3],[4],[19] 11.50% [5],[6],[20] 11.50% [5],[6],[20] 11.50% [5],[6],[20]        
Interest Rate 11.50% [3],[4],[11],[19] 11.50% [3],[4],[11],[19] 11.50% [3],[4],[11],[19] 11.50% [5],[6],[12],[20] 11.50% [5],[6],[12],[20] 11.50% [5],[6],[12],[20]        
Principal Amount, Par Value $ 13,616 [3],[4],[13]     $ 12,494 [5],[6],[14]            
Cost 13,467 [3],[4]     12,337 [5],[6]            
Investments at fair value $ 12,831 [3],[4]     $ 11,908 [5],[6]            
Investment, Identifier [Axis]: AAH Topco, LLC, Subordinated 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 11.50% [3],[15],[19] 11.50% [3],[15],[19] 11.50% [3],[15],[19] 11.50% [5],[16],[20] 11.50% [5],[16],[20] 11.50% [5],[16],[20]        
Interest Rate 11.50% [3],[11],[15],[19] 11.50% [3],[11],[15],[19] 11.50% [3],[11],[15],[19] 11.50% [5],[12],[16],[20] 11.50% [5],[12],[16],[20] 11.50% [5],[12],[16],[20]        
Principal Amount, Par Value $ 5,340 [3],[13],[15]     $ 4,900 [5],[14],[16]            
Cost 5,281 [3],[15]     4,838 [5],[16]            
Investments at fair value $ 5,032 [3],[15]     $ 4,670 [5],[16]            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[20],[21]       4.50% 4.50% 4.50%        
PIK [5],[20],[21]       1.25% 1.25% 1.25%        
Interest Rate [5],[12],[20],[21]       10.13% 10.13% 10.13%        
Principal Amount, Par Value [5],[14],[21]       $ 22,082            
Cost [5],[21]       21,898            
Investments at fair value [5],[21]       $ 21,338            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4],[9] 5.50% 5.50% 5.50%              
Interest Rate [3],[4],[9],[11] 10.92% 10.92% 10.92%              
Principal Amount, Par Value [3],[4],[9],[13] $ 883                  
Cost [3],[4],[9] 874                  
Investments at fair value [3],[4],[9] 864                  
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10],[20]       4.50% 4.50% 4.50%        
PIK [5],[6],[10],[20]       1.25% 1.25% 1.25%        
Interest Rate [5],[6],[10],[12],[20]       10.13% 10.13% 10.13%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 2,840            
Cost [5],[6],[10]       2,813            
Investments at fair value [5],[6],[10]       $ 2,744            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       5.50% 5.50% 5.50%        
Interest Rate [5],[6],[10],[12]       9.88% 9.88% 9.88%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 259            
Cost [5],[6],[10]       256            
Investments at fair value [5],[6],[10]       250            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,354 [3],[4],[9],[13]     2,095 [5],[6],[10],[14]            
Cost (24) [3],[4],[9]     (21) [5],[6],[10]            
Investments at fair value (51) [3],[4],[9]     (71) [5],[6],[10]            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 3,427 [3],[4],[9],[13]     5,386 [5],[6],[10],[14]            
Cost 0 [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value $ (74) [3],[4],[9]     (181) [5],[6],[10]            
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[8] 5.50% 5.50% 5.50%              
Interest Rate [3],[8],[11] 10.92% 10.92% 10.92%              
Principal Amount, Par Value [3],[8],[13] $ 22,080                  
Cost [3],[8] 21,916                  
Investments at fair value [3],[8] $ 21,606                  
Investment, Identifier [Axis]: ACI Group Holdings, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4] 5.50% 5.50% 5.50%              
Interest Rate [3],[4],[11] 10.92% 10.92% 10.92%              
Principal Amount, Par Value [3],[4],[13] $ 3,913                  
Cost [3],[4] 3,879                  
Investments at fair value [3],[4] $ 3,829                  
Investment, Identifier [Axis]: ACI Parent Inc., Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [3],[4],[19] 11.75% 11.75% 11.75%              
Interest Rate [3],[4],[11],[19] 11.75% 11.75% 11.75%              
Cost $ 15,938 [3],[4],[22]     14,605 [5],[6],[23]            
Investments at fair value $ 14,178 [3],[4],[22]     $ 14,068 [5],[6],[23]            
Investment, Identifier [Axis]: ADG, LLC, Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[20]       10.00% 10.00% 10.00%        
Interest Rate [5],[6],[12],[20]       14.38% 14.38% 14.38%        
Principal Amount, Par Value [5],[6],[14]       $ 7,430            
Cost [5],[6]       7,413            
Investments at fair value [5],[6]       $ 4,984            
Investment, Identifier [Axis]: Alegeus Technologies Holdings Corp., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.25% [3],[17] 8.25% [3],[17] 8.25% [3],[17] 8.25% [5],[18] 8.25% [5],[18] 8.25% [5],[18]        
Interest Rate 13.36% [3],[11],[17] 13.36% [3],[11],[17] 13.36% [3],[11],[17] 10.95% [5],[12],[18] 10.95% [5],[12],[18] 10.95% [5],[12],[18]        
Principal Amount, Par Value $ 13,444 [3],[13],[17]     $ 13,444 [5],[14],[18]            
Cost 13,430 [3],[17]     13,421 [5],[18]            
Investments at fair value $ 13,444 [3],[17]     13,444 [5],[18]            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4],[9] 5.50% 5.50% 5.50%              
Interest Rate [3],[4],[9],[11] 11.04% 11.04% 11.04%              
Principal Amount, Par Value [3],[4],[9],[13] $ 770                  
Cost [3],[4],[9] 810                  
Investments at fair value [3],[4],[9] 770                  
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 1,969 [3],[4],[9],[13]     1,969 [5],[6],[10],[14]            
Cost (10) [3],[4],[9]     (10) [5],[6],[10]            
Investments at fair value 0 [3],[4],[9]     (39) [5],[6],[10]            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 8,764 [3],[4],[9],[13]     11,718 [5],[6],[10],[14]            
Cost (44) [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     $ (234) [5],[6],[10]            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8] 5.50% [3],[8] 5.50% [3],[8] 5.50% [5],[21] 5.50% [5],[21] 5.50% [5],[21]        
Interest Rate 11.04% [3],[8],[11] 11.04% [3],[8],[11] 11.04% [3],[8],[11] 10.23% [5],[12],[21] 10.23% [5],[12],[21] 10.23% [5],[12],[21]        
Principal Amount, Par Value $ 22,153 [3],[8],[13]     $ 22,321 [5],[14],[21]            
Cost 22,067 [3],[8]     22,223 [5],[21]            
Investments at fair value $ 22,153 [3],[8]     $ 21,875 [5],[21]            
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8] 5.50% [3],[8] 5.50% [3],[8] 5.50% [5],[21] 5.50% [5],[21] 5.50% [5],[21]        
Interest Rate 11.04% [3],[8],[11] 11.04% [3],[8],[11] 11.04% [3],[8],[11] 10.23% [5],[12],[21] 10.23% [5],[12],[21] 10.23% [5],[12],[21]        
Principal Amount, Par Value $ 6,164 [3],[8],[13]     $ 4,024 [5],[14],[21]            
Cost 6,136 [3],[8]     4,004 [5],[21]            
Investments at fair value 6,164 [3],[8]     3,943 [5],[21]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 31,406                  
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,652 [3],[4],[9],[13]     2,652 [5],[6],[10],[14]            
Cost 0 [3],[4],[9],[24]     0 [5],[6],[7],[10]            
Investments at fair value $ 0 [3],[4],[9],[24]     $ 0 [5],[6],[7],[10]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8],[19],[25] 5.75% [3],[8],[19],[25] 5.75% [3],[8],[19],[25] 5.75% [5],[20],[21],[26] 5.75% [5],[20],[21],[26] 5.75% [5],[20],[21],[26]        
PIK 0.50% [3],[8],[19],[25] 0.50% [3],[8],[19],[25] 0.50% [3],[8],[19],[25] 0.50% [5],[20],[21],[26] 0.50% [5],[20],[21],[26] 0.50% [5],[20],[21],[26]        
Interest Rate 11.68% [3],[8],[11],[19],[25] 11.68% [3],[8],[11],[19],[25] 11.68% [3],[8],[11],[19],[25] 10.38% [5],[12],[20],[21],[26] 10.38% [5],[12],[20],[21],[26] 10.38% [5],[12],[20],[21],[26]        
Principal Amount, Par Value $ 29,879 [3],[8],[13]     $ 28,829 [5],[14],[21]            
Cost 29,842 [3],[8]     28,787 [5],[21]            
Investments at fair value $ 20,586 [3],[8]     $ 20,599 [5],[21]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 13.50% [3],[4],[19],[25] 13.50% [3],[4],[19],[25] 13.50% [3],[4],[19],[25] 13.50% [5],[6],[20],[26] 13.50% [5],[6],[20],[26] 13.50% [5],[6],[20],[26]        
PIK 0.50% [3],[4],[19],[25] 0.50% [3],[4],[19],[25] 0.50% [3],[4],[19],[25] 0.50% [5],[6],[20],[26] 0.50% [5],[6],[20],[26] 0.50% [5],[6],[20],[26]        
Interest Rate 19.43% [3],[4],[11],[19],[25] 19.43% [3],[4],[11],[19],[25] 19.43% [3],[4],[11],[19],[25] 18.13% [5],[6],[12],[20],[26] 18.13% [5],[6],[12],[20],[26] 18.13% [5],[6],[12],[20],[26]        
Principal Amount, Par Value $ 1,527 [3],[4],[13]     $ 1,527 [5],[6],[14]            
Cost 1,527 [3],[4]     1,527 [5],[6]            
Investments at fair value 0 [3],[4]     $ 0 [5],[6]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), First lien, Non-accrual status                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 17,927             $ 13,479    
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), Non-accrual status                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 31,369                  
Investments at fair value $ 20,586                  
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[20],[26]       1.00% 1.00% 1.00%        
PIK [3],[4],[19],[25] 1.00% 1.00% 1.00%              
Interest Rate 7.54% [3],[4],[11],[19],[25] 7.54% [3],[4],[11],[19],[25] 7.54% [3],[4],[11],[19],[25] 4.75% [5],[6],[12],[20],[26] 4.75% [5],[6],[12],[20],[26] 4.75% [5],[6],[12],[20],[26]        
Principal Amount, Par Value $ 5,230 [3],[4],[13]     $ 5,230 [5],[6],[14]            
Cost 0 [3],[4]     0 [5],[6]            
Investments at fair value $ 0 [3],[4]     $ 0 [5],[6]            
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.), Subordinated, Non-accrual status                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value                 $ 5,230  
Investment, Identifier [Axis]: Anaplan, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [3],[8] 6.50% [3],[8] 6.50% [3],[8] 6.50% [5],[21] 6.50% [5],[21] 6.50% [5],[21]        
Interest Rate 11.82% [3],[8],[11] 11.82% [3],[8],[11] 11.82% [3],[8],[11] 10.82% [5],[12],[21] 10.82% [5],[12],[21] 10.82% [5],[12],[21]        
Principal Amount, Par Value $ 8,618 [3],[8],[13]     $ 33,618 [5],[14],[21]            
Cost 8,543 [3],[8]     33,300 [5],[21]            
Investments at fair value 8,618 [3],[8]     33,282 [5],[21]            
Investment, Identifier [Axis]: Ancora Acquisition LLC, Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 83 [3],[27]     83 [5],[28]            
Investments at fair value 158 [3],[27]     158 [5],[28]            
Investment, Identifier [Axis]: Ansira Holdings, Inc, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 1,161 [3],[4],[9],[13]     1,161 [5],[6],[10],[14]            
Cost 0 [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value 0 [3],[4],[9]     $ 0 [5],[6],[10]            
Investment, Identifier [Axis]: Ansira Holdings, Inc.                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 41,152                  
Investments at fair value $ 1,993                  
Investment, Identifier [Axis]: Ansira Holdings, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.00% [3],[4],[9],[19] 8.00% [3],[4],[9],[19] 8.00% [3],[4],[9],[19] 2.00% [5],[6],[10],[20] 2.00% [5],[6],[10],[20] 2.00% [5],[6],[10],[20]        
PIK 2.00% [3],[4],[9],[19] 2.00% [3],[4],[9],[19] 2.00% [3],[4],[9],[19] 8.00% [5],[6],[10],[20] 8.00% [5],[6],[10],[20] 8.00% [5],[6],[10],[20]        
Interest Rate 15.51% [3],[4],[9],[11],[19] 15.51% [3],[4],[9],[11],[19] 15.51% [3],[4],[9],[11],[19] 14.42% [5],[6],[10],[12],[20] 14.42% [5],[6],[10],[12],[20] 14.42% [5],[6],[10],[12],[20]        
Principal Amount, Par Value $ 385 [3],[4],[9],[13]     $ 313 [5],[6],[10],[14]            
Cost 385 [3],[4],[9]     313 [5],[6],[10]            
Investments at fair value $ 385 [3],[4],[9]     $ 313 [5],[6],[10]            
Investment, Identifier [Axis]: Ansira Holdings, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[18],[20],[26]       6.50% 6.50% 6.50%        
PIK [3],[4],[19],[25] 6.50% 6.50% 6.50%              
Interest Rate 12.15% [3],[4],[11],[19] 12.15% [3],[4],[11],[19] 12.15% [3],[4],[11],[19] 10.91% [5],[12],[18],[20],[26] 10.91% [5],[12],[18],[20],[26] 10.91% [5],[12],[18],[20],[26]        
Principal Amount, Par Value $ 32,736 [3],[4],[13]     $ 32,953 [5],[14],[18]            
Cost 32,843 [3],[4]     33,059 [5],[18]            
Investments at fair value $ 1,591 [3],[4]     $ 14,829 [5],[18]            
Investment, Identifier [Axis]: Ansira Holdings, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[20],[26]       6.50% 6.50% 6.50%        
PIK [3],[4],[19],[25] 6.50% 6.50% 6.50%              
Interest Rate 11.93% [3],[4],[11],[19] 11.93% [3],[4],[11],[19] 11.93% [3],[4],[11],[19] 11.15% [5],[6],[12],[20],[26] 11.15% [5],[6],[12],[20],[26] 11.15% [5],[6],[12],[20],[26]        
Principal Amount, Par Value $ 8,261 [3],[4],[13]     $ 8,316 [5],[6],[14]            
Cost 8,309 [3],[4]     8,308 [5],[6]            
Investments at fair value $ 402 [3],[4]     3,742 [5],[6]            
Investment, Identifier [Axis]: Appriss Health Holdings, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[17] 6.75% 6.75% 6.75%              
Interest Rate [3],[11],[17] 12.23% 12.23% 12.23%              
Principal Amount, Par Value [3],[13],[17] $ 6,203                  
Cost [3],[17] 6,163                  
Investments at fair value [3],[17] $ 6,203                  
Investment, Identifier [Axis]: Appriss Health Intermediate Holdings, Inc., Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [3],[4],[19] 11.00% 11.00% 11.00%              
Interest Rate [3],[4],[11],[19] 11.00% 11.00% 11.00%              
Cost $ 2,992 [3],[4]     2,755 [5],[6]            
Investments at fair value 2,768 [3],[4]     $ 2,628 [5],[6]            
Investment, Identifier [Axis]: Appriss Health, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[18]       7.25% 7.25% 7.25%        
Interest Rate [5],[12],[18]       11.54% 11.54% 11.54%        
Principal Amount, Par Value [5],[14],[18]       $ 6,234            
Cost [5],[18],[29]       6,186            
Investments at fair value [5],[18],[29]       6,234            
Investment, Identifier [Axis]: Appriss Health, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 417 [3],[4],[9],[13]     417 [5],[6],[10],[14]            
Cost (4) [3],[4],[9]     (4) [5],[6],[10],[29]            
Investments at fair value 0 [3],[4],[9]     $ 0 [5],[6],[10],[29]            
Investment, Identifier [Axis]: Apptio, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       6.00% 6.00% 6.00%        
Interest Rate [5],[6],[10],[12]       9.94% 9.94% 9.94%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 1,240            
Cost [5],[6],[10]       1,215            
Investments at fair value [5],[6],[10]       1,240            
Investment, Identifier [Axis]: Apptio, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[6],[10],[14]       827            
Cost [5],[6],[10]       (17)            
Investments at fair value [5],[6],[10]       $ 0            
Investment, Identifier [Axis]: Apptio, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[18]       6.00% 6.00% 6.00%        
Interest Rate [5],[12],[18]       9.94% 9.94% 9.94%        
Principal Amount, Par Value [5],[14],[18]       $ 5,703            
Cost [5],[18]       5,658            
Investments at fair value [5],[18]       $ 5,703            
Investment, Identifier [Axis]: Apptio, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[21]       6.00% 6.00% 6.00%        
Interest Rate [5],[12],[21]       9.94% 9.94% 9.94%        
Principal Amount, Par Value [5],[14],[21]       $ 5,500            
Cost [5],[21]       5,456            
Investments at fair value [5],[21]       5,500            
Investment, Identifier [Axis]: Associations, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 3,543 [3],[4],[9],[13]     3,543 [5],[6],[10],[14]            
Cost (18) [3],[4],[9]     (18) [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     $ 0 [5],[6],[10]            
Investment, Identifier [Axis]: Associations, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% [3],[8],[19] 4.00% [3],[8],[19] 4.00% [3],[8],[19] 4.00% [5],[20],[21] 4.00% [5],[20],[21] 4.00% [5],[20],[21]        
PIK 2.50% [3],[8],[19] 2.50% [3],[8],[19] 2.50% [3],[8],[19] 2.50% [5],[20],[21] 2.50% [5],[20],[21] 2.50% [5],[20],[21]        
Interest Rate 12.03% [3],[8],[11],[19] 12.03% [3],[8],[11],[19] 12.03% [3],[8],[11],[19] 10.36% [5],[12],[20],[21] 10.36% [5],[12],[20],[21] 10.36% [5],[12],[20],[21]        
Principal Amount, Par Value $ 36,468 [3],[8],[13]     $ 35,786 [5],[14],[21]            
Cost 36,356 [3],[8]     35,657 [5],[21]            
Investments at fair value $ 36,468 [3],[8]     $ 35,786 [5],[21]            
Investment, Identifier [Axis]: Associations, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% [3],[8],[19] 4.00% [3],[8],[19] 4.00% [3],[8],[19] 4.00% [5],[18],[20] 4.00% [5],[18],[20] 4.00% [5],[18],[20]        
PIK 2.50% [3],[8],[19] 2.50% [3],[8],[19] 2.50% [3],[8],[19] 2.50% [5],[18],[20] 2.50% [5],[18],[20] 2.50% [5],[18],[20]        
Interest Rate 12.17% [3],[8],[11],[19] 12.17% [3],[8],[11],[19] 12.17% [3],[8],[11],[19] 11.26% [5],[12],[18],[20] 11.26% [5],[12],[18],[20] 11.26% [5],[12],[18],[20]        
Principal Amount, Par Value $ 8,980 [3],[8],[13]     $ 8,810 [5],[14],[18]            
Cost 8,948 [3],[8]     8,774 [5],[18]            
Investments at fair value $ 8,980 [3],[8]     $ 8,810 [5],[18]            
Investment, Identifier [Axis]: Associations, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% [3],[17],[19] 4.00% [3],[17],[19] 4.00% [3],[17],[19] 4.00% [5],[20],[21] 4.00% [5],[20],[21] 4.00% [5],[20],[21]        
PIK 2.50% [3],[17],[19] 2.50% [3],[17],[19] 2.50% [3],[17],[19] 2.50% [5],[20],[21] 2.50% [5],[20],[21] 2.50% [5],[20],[21]        
Interest Rate 12.14% [3],[11],[17],[19] 12.14% [3],[11],[17],[19] 12.14% [3],[11],[17],[19] 11.29% [5],[12],[20],[21] 11.29% [5],[12],[20],[21] 11.29% [5],[12],[20],[21]        
Principal Amount, Par Value $ 8,979 [3],[13],[17]     $ 8,810 [5],[14],[21]            
Cost 8,947 [3],[17]     8,773 [5],[21]            
Investments at fair value $ 8,979 [3],[17]     $ 8,810 [5],[21]            
Investment, Identifier [Axis]: Associations, Inc., First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% [3],[17],[19] 4.00% [3],[17],[19] 4.00% [3],[17],[19] 4.00% [5],[18],[20] 4.00% [5],[18],[20] 4.00% [5],[18],[20]        
PIK 2.50% [3],[17],[19] 2.50% [3],[17],[19] 2.50% [3],[17],[19] 2.50% [5],[18],[20] 2.50% [5],[18],[20] 2.50% [5],[18],[20]        
Interest Rate 12.13% [3],[11],[17],[19] 12.13% [3],[11],[17],[19] 12.13% [3],[11],[17],[19] 10.97% [5],[12],[18],[20] 10.97% [5],[12],[18],[20] 10.97% [5],[12],[18],[20]        
Principal Amount, Par Value $ 5,422 [3],[13],[17]     $ 5,321 [5],[14],[18]            
Cost 5,405 [3],[17]     5,300 [5],[18]            
Investments at fair value $ 5,422 [3],[17]     $ 5,321 [5],[18]            
Investment, Identifier [Axis]: Associations, Inc., First lien 5                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% [3],[17],[19] 4.00% [3],[17],[19] 4.00% [3],[17],[19] 4.00% [5],[18],[20] 4.00% [5],[18],[20] 4.00% [5],[18],[20]        
PIK 2.50% [3],[17],[19] 2.50% [3],[17],[19] 2.50% [3],[17],[19] 2.50% [5],[18],[20] 2.50% [5],[18],[20] 2.50% [5],[18],[20]        
Interest Rate 12.05% [3],[11],[17],[19] 12.05% [3],[11],[17],[19] 12.05% [3],[11],[17],[19] 10.36% [5],[12],[18],[20] 10.36% [5],[12],[18],[20] 10.36% [5],[12],[18],[20]        
Principal Amount, Par Value $ 4,313 [3],[13],[17]     $ 4,233 [5],[14],[18]            
Cost 4,299 [3],[17]     4,217 [5],[18]            
Investments at fair value $ 4,313 [3],[17]     $ 4,233 [5],[18]            
Investment, Identifier [Axis]: Aston FinCo S.a r.l. / Aston US Finco, LLC, Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.25% [3],[17] 8.25% [3],[17] 8.25% [3],[17] 8.25% [5],[18] 8.25% [5],[18] 8.25% [5],[18]        
Interest Rate 13.68% [3],[11],[17] 13.68% [3],[11],[17] 13.68% [3],[11],[17] 12.63% [5],[12],[18] 12.63% [5],[12],[18] 12.63% [5],[12],[18]        
Principal Amount, Par Value $ 34,459 [3],[13],[17]     $ 34,459 [5],[14],[18]            
Cost 34,293 [3],[17]     34,271 [5],[18]            
Investments at fair value $ 34,045 [3],[17],[30]     $ 34,356 [5],[18],[31]            
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.25% [3],[8] 7.25% [3],[8] 7.25% [3],[8] 7.25% [21] 7.25% [21] 7.25% [21]        
Interest Rate 12.58% [3],[8],[11] 12.58% [3],[8],[11] 12.58% [3],[8],[11] 11.48% [12],[21] 11.48% [12],[21] 11.48% [12],[21]        
Principal Amount, Par Value $ 3,454 [3],[8],[13]     $ 3,454 [14],[21]            
Cost 3,406 [3],[8],[30]     3,402 [21]            
Investments at fair value 3,454 [3],[8],[30]     3,402 [21],[31]            
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 320 [3],[4],[9],[13]     320 [6],[10],[14]            
Cost (5) [3],[4],[9]     (5) [6],[10]            
Investments at fair value $ 0 [3],[4],[9],[30]     $ (5) [6],[10],[31]            
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.), First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[17] 5.75% [3],[17] 5.75% [3],[17] 5.75% [5],[18] 5.75% [5],[18] 5.75% [5],[18]        
Interest Rate 11.17% [3],[11],[17] 11.17% [3],[11],[17] 11.17% [3],[11],[17] 10.13% [5],[12],[18] 10.13% [5],[12],[18] 10.13% [5],[12],[18]        
Principal Amount, Par Value $ 21,902 [3],[13],[17]     $ 22,069 [5],[14],[18]            
Cost 21,733 [3],[17]     21,880 [5],[18]            
Investments at fair value $ 21,541 [3],[17]     $ 21,694 [5],[18]            
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.), First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 11.17% [3],[8],[11] 11.17% [3],[8],[11] 11.17% [3],[8],[11] 10.13% [5],[12],[21] 10.13% [5],[12],[21] 10.13% [5],[12],[21]        
Principal Amount, Par Value $ 14,812 [3],[8],[13]     $ 14,925 [5],[14],[21]            
Cost 14,697 [3],[8]     14,797 [5],[21]            
Investments at fair value $ 14,568 [3],[8]     14,671 [5],[21]            
Investment, Identifier [Axis]: Avalara, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[17] 7.25% 7.25% 7.25%              
Interest Rate [3],[11],[17] 12.64% 12.64% 12.64%              
Principal Amount, Par Value [3],[13],[17] $ 17,198                  
Cost [3],[17] 17,008                  
Investments at fair value [3],[17] 17,198                  
Investment, Identifier [Axis]: Avalara, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 1,720 [3],[4],[9],[13]     3,538 [5],[6],[10],[14]            
Cost (21) [3],[4],[9]     (44) [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     $ (30) [5],[6],[10]            
Investment, Identifier [Axis]: Avalara, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[18]       7.25% 7.25% 7.25%        
Interest Rate [5],[12],[18]       11.83% 11.83% 11.83%        
Principal Amount, Par Value [5],[14],[18]       $ 22,500            
Cost [5],[18]       22,226            
Investments at fair value [5],[18]       $ 22,307            
Investment, Identifier [Axis]: Avalara, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[21]       7.25% 7.25% 7.25%        
Interest Rate [5],[12],[21]       11.83% 11.83% 11.83%        
Principal Amount, Par Value [5],[14],[21]       $ 12,880            
Cost [5],[21]       12,723            
Investments at fair value [5],[21]       12,769            
Investment, Identifier [Axis]: Bach Special Limited (Bach Preference Limited), Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [3],[4],[19] 12.25% 12.25% 12.25%              
Interest Rate [3],[4],[11],[19] 12.25% 12.25% 12.25%              
Cost $ 11,823 [3],[4]     10,782 [5],[6],[32]            
Investments at fair value $ 11,191 [3],[4],[30]     $ 10,748 [5],[6],[31],[32]            
Investment, Identifier [Axis]: Bluefin Holding, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       5.75% 5.75% 5.75%        
Interest Rate [5],[6],[10],[12]       9.93% 9.93% 9.93%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 1,212            
Cost [5],[6],[10]       1,194            
Investments at fair value [5],[6],[10]       1,177            
Investment, Identifier [Axis]: Bluefin Holding, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[6],[10],[14]       303            
Cost [5],[6],[10]       (5)            
Investments at fair value [5],[6],[10]       $ (9)            
Investment, Identifier [Axis]: Bluefin Holding, LLC, Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[18]       7.75% 7.75% 7.75%        
Interest Rate [5],[12],[18]       12.48% 12.48% 12.48%        
Principal Amount, Par Value [5],[14],[18]       $ 18,000            
Cost [5],[18]       18,000            
Investments at fair value [5],[18]       $ 17,338            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.50% [3],[33] 7.50% [3],[33] 7.50% [3],[33] 7.50% [5],[34] 7.50% [5],[34] 7.50% [5],[34]        
Interest Rate 12.97% [3],[11],[33] 12.97% [3],[11],[33] 12.97% [3],[11],[33] 11.88% [5],[12],[34] 11.88% [5],[12],[34] 11.88% [5],[12],[34]        
Principal Amount, Par Value $ 22,500 [3],[13],[33]     $ 22,500 [5],[14],[34]            
Cost 22,454 [3],[33]     22,443 [5],[34]            
Investments at fair value $ 22,500 [3],[33]     $ 21,798 [5],[34]            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.50% [3],[8] 7.50% [3],[8] 7.50% [3],[8] 7.50% [5],[21] 7.50% [5],[21] 7.50% [5],[21]        
Interest Rate 12.97% [3],[8],[11] 12.97% [3],[8],[11] 12.97% [3],[8],[11] 11.88% [5],[12],[21] 11.88% [5],[12],[21] 11.88% [5],[12],[21]        
Principal Amount, Par Value $ 16,624 [3],[8],[13]     $ 16,624 [5],[14],[21]            
Cost 16,556 [3],[8]     16,540 [5],[21]            
Investments at fair value $ 16,624 [3],[8]     $ 16,104 [5],[21]            
Investment, Identifier [Axis]: Brave Parent Holdings, Inc., Second lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.50% [3],[17] 7.50% [3],[17] 7.50% [3],[17] 7.50% [5],[18] 7.50% [5],[18] 7.50% [5],[18]        
Interest Rate 12.97% [3],[11],[17] 12.97% [3],[11],[17] 12.97% [3],[11],[17] 11.88% [5],[12],[18] 11.88% [5],[12],[18] 11.88% [5],[12],[18]        
Principal Amount, Par Value $ 6,000 [3],[13],[17]     $ 6,000 [5],[14],[18]            
Cost 5,975 [3],[17]     5,970 [5],[18]            
Investments at fair value 6,000 [3],[17]     $ 5,813 [5],[18]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       5.75% 5.75% 5.75%        
Interest Rate [5],[6],[10],[12]       10.48% 10.48% 10.48%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 392            
Cost [5],[6],[10]       389            
Investments at fair value [5],[6],[10]       392            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 852 [3],[4],[9],[13]     460 [5],[6],[10],[14]            
Cost (6) [3],[4],[9]     (3) [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     $ 0 [5],[6],[10]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 11.24% [3],[8],[11] 11.24% [3],[8],[11] 11.24% [3],[8],[11] 10.48% [5],[12],[21] 10.48% [5],[12],[21] 10.48% [5],[12],[21]        
Principal Amount, Par Value $ 16,530 [3],[8],[13]     $ 16,659 [5],[14],[21]            
Cost 16,470 [3],[8]     16,586 [5],[21]            
Investments at fair value $ 16,530 [3],[8]     $ 16,659 [5],[21]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 11.24% [3],[8],[11] 11.24% [3],[8],[11] 11.24% [3],[8],[11] 10.48% [5],[12],[21] 10.48% [5],[12],[21] 10.48% [5],[12],[21]        
Principal Amount, Par Value $ 3,416 [3],[8],[13]     $ 3,442 [5],[14],[21]            
Cost 3,410 [3],[8]     3,435 [5],[21]            
Investments at fair value $ 3,416 [3],[8]     $ 3,442 [5],[21]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 11.24% [3],[8],[11] 11.24% [3],[8],[11] 11.24% [3],[8],[11] 10.48% [5],[12],[21] 10.48% [5],[12],[21] 10.48% [5],[12],[21]        
Principal Amount, Par Value $ 765 [3],[8],[13]     $ 771 [5],[14],[21]            
Cost 761 [3],[8]     766 [5],[21]            
Investments at fair value $ 765 [3],[8]     $ 771 [5],[21]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 11.24% [3],[8],[11] 11.24% [3],[8],[11] 11.24% [3],[8],[11] 10.48% [5],[12],[21] 10.48% [5],[12],[21] 10.48% [5],[12],[21]        
Principal Amount, Par Value $ 343 [3],[8],[13]     $ 345 [5],[14],[21]            
Cost 341 [3],[8]     344 [5],[21]            
Investments at fair value $ 343 [3],[8]     $ 345 [5],[21]            
Investment, Identifier [Axis]: Bullhorn, Inc., First lien 5                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 11.24% [3],[8],[11] 11.24% [3],[8],[11] 11.24% [3],[8],[11] 10.48% [5],[12],[21] 10.48% [5],[12],[21] 10.48% [5],[12],[21]        
Principal Amount, Par Value $ 273 [3],[8],[13]     $ 275 [5],[14],[21]            
Cost 272 [3],[8]     274 [5],[21]            
Investments at fair value $ 273 [3],[8]     $ 275 [5],[21]            
Investment, Identifier [Axis]: CFS Management, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [3],[8],[19] 6.25% [3],[8],[19] 6.25% [3],[8],[19] 6.25% [5],[20],[21] 6.25% [5],[20],[21] 6.25% [5],[20],[21]        
PIK 0.75% [3],[8],[19] 0.75% [3],[8],[19] 0.75% [3],[8],[19] 0.75% [5],[20],[21] 0.75% [5],[20],[21] 0.75% [5],[20],[21]        
Interest Rate 12.65% [3],[8],[11],[19] 12.65% [3],[8],[11],[19] 12.65% [3],[8],[11],[19] 11.84% [5],[12],[20],[21] 11.84% [5],[12],[20],[21] 11.84% [5],[12],[20],[21]        
Principal Amount, Par Value $ 11,195 [3],[8],[13]     $ 11,392 [5],[14],[21]            
Cost 11,185 [3],[8]     11,372 [5],[21]            
Investments at fair value $ 9,912 [3],[8]     $ 10,637 [5],[21]            
Investment, Identifier [Axis]: CFS Management, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [3],[8],[19] 6.25% [3],[8],[19] 6.25% [3],[8],[19] 6.25% [5],[20],[21] 6.25% [5],[20],[21] 6.25% [5],[20],[21]        
PIK 0.75% [3],[8],[19] 0.75% [3],[8],[19] 0.75% [3],[8],[19] 0.75% [5],[20],[21] 0.75% [5],[20],[21] 0.75% [5],[20],[21]        
Interest Rate 12.65% [3],[8],[11],[19] 12.65% [3],[8],[11],[19] 12.65% [3],[8],[11],[19] 11.84% [5],[12],[20],[21] 11.84% [5],[12],[20],[21] 11.84% [5],[12],[20],[21]        
Principal Amount, Par Value $ 3,335 [3],[8],[13]     $ 3,393 [5],[14],[21]            
Cost 3,331 [3],[8]     3,386 [5],[21]            
Investments at fair value $ 2,953 [3],[8]     $ 3,168 [5],[21]            
Investment, Identifier [Axis]: CG Group Holdings, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [3],[8],[19] 6.75% [3],[8],[19] 6.75% [3],[8],[19] 5.25% [5],[20],[21] 5.25% [5],[20],[21] 5.25% [5],[20],[21]        
PIK 2.00% [3],[8],[19] 2.00% [3],[8],[19] 2.00% [3],[8],[19] 2.00% [5],[20],[21] 2.00% [5],[20],[21] 2.00% [5],[20],[21]        
Interest Rate 14.14% [3],[8],[11],[19] 14.14% [3],[8],[11],[19] 14.14% [3],[8],[11],[19] 11.98% [5],[12],[20],[21] 11.98% [5],[12],[20],[21] 11.98% [5],[12],[20],[21]        
Principal Amount, Par Value $ 8,381 [3],[8],[13]     $ 8,317 [5],[14],[21]            
Cost 8,318 [3],[8]     8,244 [5],[21]            
Investments at fair value $ 7,940 [3],[8]     $ 7,411 [5],[21]            
Investment, Identifier [Axis]: CG Group Holdings, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [3],[4],[9],[19] 6.75% [3],[4],[9],[19] 6.75% [3],[4],[9],[19] 5.25% [5],[6],[10],[20] 5.25% [5],[6],[10],[20] 5.25% [5],[6],[10],[20]        
PIK 2.00% [3],[4],[9],[19] 2.00% [3],[4],[9],[19] 2.00% [3],[4],[9],[19] 2.00% [5],[6],[10],[20] 2.00% [5],[6],[10],[20] 2.00% [5],[6],[10],[20]        
Interest Rate 14.07% [3],[4],[9],[11],[19] 14.07% [3],[4],[9],[11],[19] 14.07% [3],[4],[9],[11],[19] 11.63% [5],[6],[10],[12],[20] 11.63% [5],[6],[10],[12],[20] 11.63% [5],[6],[10],[12],[20]        
Principal Amount, Par Value $ 930 [3],[4],[9],[13]     $ 916 [5],[6],[10],[14]            
Cost 920 [3],[4],[9]     906 [5],[6],[10]            
Investments at fair value 881 [3],[4],[9]     817 [5],[6],[10]            
Investment, Identifier [Axis]: CG Group Holdings, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 226 [3],[4],[9],[13]     226 [5],[6],[10],[14]            
Cost (3) [3],[4],[9]     (3) [5],[6],[10]            
Investments at fair value $ (12) [3],[4],[9]     $ (25) [5],[6],[10]            
Investment, Identifier [Axis]: CHA Holdings, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.75% [3],[15] 8.75% [3],[15] 8.75% [3],[15] 8.75% [5],[16] 8.75% [5],[16] 8.75% [5],[16]        
Interest Rate 14.40% [3],[11],[15] 14.40% [3],[11],[15] 14.40% [3],[11],[15] 13.48% [5],[12],[16] 13.48% [5],[12],[16] 13.48% [5],[12],[16]        
Principal Amount, Par Value $ 7,012 [3],[13],[15]     $ 7,012 [5],[14],[16]            
Cost 6,983 [3],[15]     6,976 [5],[16]            
Investments at fair value $ 7,012 [3],[15]     $ 6,923 [5],[16]            
Investment, Identifier [Axis]: CHA Holdings, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.75% [3],[4] 8.75% [3],[4] 8.75% [3],[4] 8.75% [5],[6] 8.75% [5],[6] 8.75% [5],[6]        
Interest Rate 14.40% [3],[4],[11] 14.40% [3],[4],[11] 14.40% [3],[4],[11] 13.48% [5],[6],[12] 13.48% [5],[6],[12] 13.48% [5],[6],[12]        
Principal Amount, Par Value $ 4,453 [3],[4],[13]     $ 4,453 [5],[6],[14]            
Cost 4,434 [3],[4]     4,430 [5],[6]            
Investments at fair value $ 4,454 [3],[4]     $ 4,396 [5],[6]            
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.25% [3],[4] 7.25% [3],[4] 7.25% [3],[4] 7.25% [5],[6] 7.25% [5],[6] 7.25% [5],[6]        
Interest Rate 12.67% [3],[4],[11] 12.67% [3],[4],[11] 12.67% [3],[4],[11] 11.63% [5],[6],[12] 11.63% [5],[6],[12] 11.63% [5],[6],[12]        
Principal Amount, Par Value $ 18,266 [3],[4],[13]     $ 18,266 [5],[6],[14]            
Cost 18,235 [3],[4]     18,229 [5],[6]            
Investments at fair value $ 18,256 [3],[4]     $ 17,409 [5],[6]            
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.25% [3],[17] 7.25% [3],[17] 7.25% [3],[17] 7.25% [5],[18] 7.25% [5],[18] 7.25% [5],[18]        
Interest Rate 12.67% [3],[11],[17] 12.67% [3],[11],[17] 12.67% [3],[11],[17] 11.63% [5],[12],[18] 11.63% [5],[12],[18] 11.63% [5],[12],[18]        
Principal Amount, Par Value $ 7,500 [3],[13],[17]     $ 7,500 [5],[14],[18]            
Cost 7,487 [3],[17]     7,485 [5],[18]            
Investments at fair value $ 7,496 [3],[17]     $ 7,148 [5],[18]            
Investment, Identifier [Axis]: Calabrio, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.13% [3],[33] 7.13% [3],[33] 7.13% [3],[33] 7.00% [5],[34] 7.00% [5],[34] 7.00% [5],[34]        
Interest Rate 12.44% [3],[11],[33] 12.44% [3],[11],[33] 12.44% [3],[11],[33] 11.73% [5],[12],[34] 11.73% [5],[12],[34] 11.73% [5],[12],[34]        
Principal Amount, Par Value $ 12,347 [3],[13],[33]     $ 12,347 [5],[14],[34]            
Cost 12,286 [3],[33]     12,277 [5],[34]            
Investments at fair value $ 12,040 [3],[33]     $ 12,347 [5],[34]            
Investment, Identifier [Axis]: Calabrio, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.13% [3],[4],[9] 7.13% [3],[4],[9] 7.13% [3],[4],[9] 7.00% [5],[6],[10] 7.00% [5],[6],[10] 7.00% [5],[6],[10]        
Interest Rate 12.45% [3],[4],[9],[11] 12.45% [3],[4],[9],[11] 12.45% [3],[4],[9],[11] 11.75% [5],[6],[10],[12] 11.75% [5],[6],[10],[12] 11.75% [5],[6],[10],[12]        
Principal Amount, Par Value $ 850 [3],[4],[9],[13]     $ 850 [5],[6],[10],[14]            
Cost 843 [3],[4],[9]     843 [5],[6],[10]            
Investments at fair value 829 [3],[4],[9]     850 [5],[6],[10]            
Investment, Identifier [Axis]: Calabrio, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 637 [3],[4],[9],[13]     637 [5],[6],[10],[14]            
Cost (5) [3],[4],[9]     (5) [5],[6],[10]            
Investments at fair value $ (16) [3],[4],[9]     $ 0 [5],[6],[10]            
Investment, Identifier [Axis]: Cardinal Parent, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% [15] 4.50% [15] 4.50% [15] 4.50% [5],[16] 4.50% [5],[16] 4.50% [5],[16]        
Interest Rate 10.04% [11],[15] 10.04% [11],[15] 10.04% [11],[15] 9.23% [5],[12],[16] 9.23% [5],[12],[16] 9.23% [5],[12],[16]        
Principal Amount, Par Value $ 11,883 [13],[15]     $ 11,974 [5],[14],[16]            
Cost 11,825 [15]     11,908 [5],[16]            
Investments at fair value $ 10,813 [15]     $ 11,490 [5],[16]            
Investment, Identifier [Axis]: Cardinal Parent, Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.75% [3],[15] 7.75% [3],[15] 7.75% [3],[15] 7.75% [5],[16] 7.75% [5],[16] 7.75% [5],[16]        
Interest Rate 13.29% [3],[11],[15] 13.29% [3],[11],[15] 13.29% [3],[11],[15] 12.46% [5],[12],[16] 12.46% [5],[12],[16] 12.46% [5],[12],[16]        
Principal Amount, Par Value $ 9,767 [3],[13],[15]     $ 9,767 [5],[14],[16]            
Cost 9,696 [3],[15]     9,689 [5],[16]            
Investments at fair value $ 8,811 [3],[15]     $ 9,432 [5],[16]            
Investment, Identifier [Axis]: Castle Management Borrower LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [3],[17] 6.50% [3],[17] 6.50% [3],[17] 2.19% [5],[18] 2.19% [5],[18] 2.19% [5],[18]        
Interest Rate 12.13% [3],[11],[17] 12.13% [3],[11],[17] 12.13% [3],[11],[17] 3.19% [5],[12],[18] 3.19% [5],[12],[18] 3.19% [5],[12],[18]        
Principal Amount, Par Value $ 13,845 [3],[13],[17]     $ 14,288 [5],[14],[18]            
Cost 13,832 [3],[17]     14,269 [5],[18]            
Investments at fair value $ 13,845 [3],[17]     $ 13,605 [5],[18]            
Investment, Identifier [Axis]: CentralSquare Technologies, LLC, Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.50% [4] 7.50% [4] 7.50% [4] 7.50% [6] 7.50% [6] 7.50% [6]        
Interest Rate 13.04% [4],[11] 13.04% [4],[11] 13.04% [4],[11] 12.23% [6],[12] 12.23% [6],[12] 12.23% [6],[12]        
Principal Amount, Par Value $ 47,838 [4],[13]     $ 47,838 [6],[14]            
Cost 47,561 [4]     47,505 [6]            
Investments at fair value $ 42,993 [4]     $ 40,941 [6]            
Investment, Identifier [Axis]: CentralSquare Technologies, LLC, Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.50% [17] 7.50% [17] 7.50% [17] 7.50% [18] 7.50% [18] 7.50% [18]        
Interest Rate 13.04% [11],[17] 13.04% [11],[17] 13.04% [11],[17] 12.23% [12],[18] 12.23% [12],[18] 12.23% [12],[18]        
Principal Amount, Par Value $ 7,500 [13],[17]     $ 7,500 [14],[18]            
Cost 7,456 [17]     7,448 [18]            
Investments at fair value $ 6,740 [17]     $ 6,419 [18]            
Investment, Identifier [Axis]: CommerceHub, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4] 6.25% 6.25% 6.25%              
Interest Rate [3],[4],[11] 11.77% 11.77% 11.77%              
Principal Amount, Par Value [3],[4],[13] $ 3,970                  
Cost [3],[4] 3,555                  
Investments at fair value [3],[4] $ 3,970                  
Investment, Identifier [Axis]: Community Brands ParentCo, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8] 5.50% [3],[8] 5.50% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 11.02% [3],[8],[11] 11.02% [3],[8],[11] 11.02% [3],[8],[11] 10.17% [5],[12],[21] 10.17% [5],[12],[21] 10.17% [5],[12],[21]        
Principal Amount, Par Value $ 7,109 [3],[8],[13]     $ 7,163 [5],[14],[21]            
Cost 7,052 [3],[8]     7,100 [5],[21]            
Investments at fair value 6,934 [3],[8]     6,928 [5],[21]            
Investment, Identifier [Axis]: Community Brands ParentCo, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 425 [3],[4],[9],[13]     425 [5],[6],[10],[14]            
Cost (4) [3],[4],[9]     (4) [5],[6],[10]            
Investments at fair value (10) [3],[4],[9]     (14) [5],[6],[10]            
Investment, Identifier [Axis]: Community Brands ParentCo, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 849 [3],[4],[9],[13]     849 [5],[6],[10],[14]            
Cost 0 [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value $ (21) [3],[4],[9]     $ (28) [5],[6],[10]            
Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [3],[15] 5.25% [3],[15] 5.25% [3],[15] 5.25% [5],[16] 5.25% [5],[16] 5.25% [5],[16]        
Interest Rate 10.74% [3],[11],[15] 10.74% [3],[11],[15] 10.74% [3],[11],[15] 9.93% [5],[12],[16] 9.93% [5],[12],[16] 9.93% [5],[12],[16]        
Principal Amount, Par Value $ 19,070 [3],[13],[15]     $ 19,215 [5],[14],[16]            
Cost 18,968 [3],[15]     19,091 [5],[16]            
Investments at fair value $ 16,826 [3],[15]     $ 18,639 [5],[16]            
Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [3],[15] 5.25% [3],[15] 5.25% [3],[15] 5.25% [5],[16] 5.25% [5],[16] 5.25% [5],[16]        
Interest Rate 10.74% [3],[11],[15] 10.74% [3],[11],[15] 10.74% [3],[11],[15] 9.93% [5],[12],[16] 9.93% [5],[12],[16] 9.93% [5],[12],[16]        
Principal Amount, Par Value $ 3,184 [3],[13],[15]     $ 3,208 [5],[14],[16]            
Cost 3,152 [3],[15]     3,169 [5],[16]            
Investments at fair value 2,810 [3],[15]     3,112 [5],[16]            
Investment, Identifier [Axis]: Coupa Holdings, LLC First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 1,291                  
Cost [3],[4],[9] 0                  
Investments at fair value [3],[4],[9] 0                  
Investment, Identifier [Axis]: Coupa Holdings, LLC First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 989                  
Cost [3],[4],[9] (12)                  
Investments at fair value [3],[4],[9] $ 0                  
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[8] 7.50% 7.50% 7.50%              
Interest Rate [3],[8],[11] 12.82% 12.82% 12.82%              
Principal Amount, Par Value [3],[8],[13] $ 7,230                  
Cost [3],[8] 7,145                  
Investments at fair value [3],[8] $ 7,230                  
Investment, Identifier [Axis]: Coupa Holdings, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[17] 7.50% 7.50% 7.50%              
Interest Rate [3],[11],[17] 12.82% 12.82% 12.82%              
Principal Amount, Par Value [3],[13],[17] $ 7,230                  
Cost [3],[17] 7,145                  
Investments at fair value [3],[17] $ 7,230                  
Investment, Identifier [Axis]: Coyote Buyer, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4],[9] 6.00% 6.00% 6.00%              
Interest Rate [3],[4],[9],[11] 11.50% 11.50% 11.50%              
Principal Amount, Par Value [3],[4],[9],[13] $ 709                  
Cost [3],[4],[9] 706                  
Investments at fair value [3],[4],[9] 709                  
Investment, Identifier [Axis]: Coyote Buyer, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 304 [3],[4],[9],[13]     1,013 [5],[6],[10],[14]            
Cost (2) [3],[4],[9]     (5) [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     $ 0 [5],[6],[10]            
Investment, Identifier [Axis]: Coyote Buyer, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [3],[33] 6.00% [3],[33] 6.00% [3],[33] 6.00% [5],[34] 6.00% [5],[34] 6.00% [5],[34]        
Interest Rate 11.52% [3],[11],[33] 11.52% [3],[11],[33] 11.52% [3],[11],[33] 10.41% [5],[12],[34] 10.41% [5],[12],[34] 10.41% [5],[12],[34]        
Principal Amount, Par Value $ 13,689 [3],[13],[33]     $ 13,795 [5],[14],[34]            
Cost 13,657 [3],[33]     13,755 [5],[34]            
Investments at fair value $ 13,689 [3],[33]     $ 13,795 [5],[34]            
Investment, Identifier [Axis]: Coyote Buyer, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.00% [3],[33] 8.00% [3],[33] 8.00% [3],[33] 8.00% [5],[34] 8.00% [5],[34] 8.00% [5],[34]        
Interest Rate 13.57% [3],[11],[33] 13.57% [3],[11],[33] 13.57% [3],[11],[33] 12.73% [5],[12],[34] 12.73% [5],[12],[34] 12.73% [5],[12],[34]        
Principal Amount, Par Value $ 2,463 [3],[13],[33]     $ 2,482 [5],[14],[34]            
Cost 2,450 [3],[33]     2,466 [5],[34]            
Investments at fair value $ 2,463 [3],[33]     $ 2,482 [5],[34]            
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[8] 6.41% 6.41% 6.41%              
Interest Rate [3],[8],[11] 11.80% 11.80% 11.80%              
Principal Amount, Par Value [3],[8],[13] $ 3,261                  
Cost [3],[8] 3,247                  
Investments at fair value [3],[8] $ 3,163                  
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [3],[4],[9] 6.50% [3],[4],[9] 6.50% [3],[4],[9] 6.41% [5],[6],[10] 6.41% [5],[6],[10] 6.41% [5],[6],[10]        
Interest Rate 11.89% [3],[4],[9],[11] 11.89% [3],[4],[9],[11] 11.89% [3],[4],[9],[11] 10.39% [5],[6],[10],[12] 10.39% [5],[6],[10],[12] 10.39% [5],[6],[10],[12]        
Principal Amount, Par Value $ 3,878 [3],[4],[9],[13]     $ 2,836 [5],[6],[10],[14]            
Cost 3,823 [3],[4],[9]     2,823 [5],[6],[10]            
Investments at fair value 3,774 [3],[4],[9]     2,781 [5],[6],[10]            
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 48                  
Cost [3],[4],[9] 0                  
Investments at fair value [3],[4],[9] $ (1)                  
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[6],[10],[14]       450            
Cost [5],[6],[10]       0            
Investments at fair value [5],[6],[10]       (9)            
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [6],[10],[14]       3,936            
Cost [6],[10]       0            
Investments at fair value [6],[10]       $ (59)            
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[21]       6.41% 6.41% 6.41%        
Interest Rate [5],[12],[21]       10.39% 10.39% 10.39%        
Principal Amount, Par Value [5],[14],[21]       $ 19,660            
Cost [5],[21]       19,546            
Investments at fair value [5],[21]       $ 19,278            
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[21]       6.41% 6.41% 6.41%        
Interest Rate [5],[12],[21]       10.39% 10.39% 10.39%        
Principal Amount, Par Value [5],[14],[21]       $ 7,046            
Cost [5],[21]       7,014            
Investments at fair value [5],[21]       $ 6,909            
Investment, Identifier [Axis]: DCA Investment Holding, LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6]       6.41% 6.41% 6.41%        
Interest Rate [5],[6],[12]       10.39% 10.39% 10.39%        
Principal Amount, Par Value [5],[6],[14]       $ 3,273            
Cost [5],[6]       3,252            
Investments at fair value [5],[6]       $ 3,209            
Investment, Identifier [Axis]: DG Investment Intermediate Holdings 2, Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [4] 6.75% [4] 6.75% [4] 6.75% [6] 6.75% [6] 6.75% [6]        
Interest Rate 12.18% [4],[11] 12.18% [4],[11] 12.18% [4],[11] 11.07% [6],[12] 11.07% [6],[12] 11.07% [6],[12]        
Principal Amount, Par Value $ 20,313 [4],[13]     $ 20,313 [6],[14]            
Cost 20,273 [4]     20,270 [6]            
Investments at fair value 18,047 [4]     18,053 [6]            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[10],[14],[16]       2,457            
Cost [5],[10],[16]       0            
Investments at fair value [5],[10],[16]       (67)            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 1,147 [3],[9],[13],[15]     2,405 [5],[6],[10],[14]            
Cost 0 [3],[9],[15]     0 [5],[6],[10]            
Investments at fair value (18) [3],[9],[15]     (66) [5],[6],[10]            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,405 [3],[4],[9],[13]     6,561 [5],[6],[10],[14]            
Cost 0 [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value (38) [3],[4],[9]     $ (180) [5],[6],[10]            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien - Undrawn 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 3,062                  
Cost [3],[4],[9] 0                  
Investments at fair value [3],[4],[9] $ (48)                  
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[17] 5.75% [3],[17] 5.75% [3],[17] 5.75% [5],[18] 5.75% [5],[18] 5.75% [5],[18]        
Interest Rate 11.18% [3],[11],[17] 11.18% [3],[11],[17] 11.18% [3],[11],[17] 10.54% [5],[12],[18] 10.54% [5],[12],[18] 10.54% [5],[12],[18]        
Principal Amount, Par Value $ 18,619 [3],[13],[17]     $ 18,760 [5],[14],[18]            
Cost 18,619 [3],[17]     18,760 [5],[18]            
Investments at fair value $ 18,325 [3],[17]     $ 18,246 [5],[18]            
Investment, Identifier [Axis]: DOCS, MSO, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[15] 5.75% [3],[15] 5.75% [3],[15] 5.75% [5],[16] 5.75% [5],[16] 5.75% [5],[16]        
Interest Rate 11.18% [3],[11],[15] 11.18% [3],[11],[15] 11.18% [3],[11],[15] 10.54% [5],[12],[16] 10.54% [5],[12],[16] 10.54% [5],[12],[16]        
Principal Amount, Par Value $ 6,973 [3],[13],[15]     $ 7,025 [5],[14],[16]            
Cost 6,973 [3],[15]     7,025 [5],[16]            
Investments at fair value $ 6,863 [3],[15]     $ 6,833 [5],[16]            
Investment, Identifier [Axis]: DS Admiral Bidco, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.00% [3],[8] 7.00% [3],[8] 7.00% [3],[8] 7.00% [21] 7.00% [21] 7.00% [21]        
Interest Rate 12.39% [3],[8],[11] 12.39% [3],[8],[11] 12.39% [3],[8],[11] 11.51% [12],[21] 11.51% [12],[21] 11.51% [12],[21]        
Principal Amount, Par Value $ 7,491 [3],[8],[13]     $ 7,547 [14],[21]            
Cost 7,391 [3],[8]     7,434 [21]            
Investments at fair value $ 7,491 [3],[8]     $ 7,434 [21]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% [3],[4],[9] 4.50% [3],[4],[9] 4.50% [3],[4],[9] 4.50% [5],[6],[10] 4.50% [5],[6],[10] 4.50% [5],[6],[10]        
Interest Rate 13.00% [3],[4],[9],[11] 13.00% [3],[4],[9],[11] 13.00% [3],[4],[9],[11] 12.00% [5],[6],[10],[12] 12.00% [5],[6],[10],[12] 12.00% [5],[6],[10],[12]        
Principal Amount, Par Value $ 123 [3],[4],[9],[13]     $ 33 [5],[6],[10],[14]            
Cost 122 [3],[4],[9]     33 [5],[6],[10]            
Investments at fair value 121 [3],[4],[9]     32 [5],[6],[10]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 524 [3],[4],[9],[13]     524 [5],[6],[10],[14]            
Cost 0 [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value (9) [3],[4],[9]     (15) [5],[6],[10]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 863 [3],[4],[9],[13]     953 [5],[6],[10],[14]            
Cost (9) [3],[4],[9]     (10) [5],[6],[10]            
Investments at fair value $ (13) [3],[4],[9]     $ (27) [5],[6],[10]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[17] 5.50% [3],[17] 5.50% [3],[17] 5.50% [5],[18] 5.50% [5],[18] 5.50% [5],[18]        
Interest Rate 10.92% [3],[11],[17] 10.92% [3],[11],[17] 10.92% [3],[11],[17] 9.88% [5],[12],[18] 9.88% [5],[12],[18] 9.88% [5],[12],[18]        
Principal Amount, Par Value $ 13,044 [3],[13],[17]     $ 13,144 [5],[14],[18]            
Cost 12,943 [3],[17]     13,031 [5],[18]            
Investments at fair value $ 12,823 [3],[17]     $ 12,776 [5],[18]            
Investment, Identifier [Axis]: Daxko Acquisition Corporation, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8] 5.50% [3],[8] 5.50% [3],[8] 5.50% [5],[21] 5.50% [5],[21] 5.50% [5],[21]        
Interest Rate 10.92% [3],[8],[11] 10.92% [3],[8],[11] 10.92% [3],[8],[11] 9.88% [5],[12],[21] 9.88% [5],[12],[21] 9.88% [5],[12],[21]        
Principal Amount, Par Value $ 1,099 [3],[8],[13]     $ 1,107 [5],[14],[21]            
Cost 1,090 [3],[8]     1,097 [5],[21]            
Investments at fair value $ 1,080 [3],[8]     1,076 [5],[21]            
Investment, Identifier [Axis]: Dealer Tire Holdings, LLC, Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [3],[4],[19] 7.00% 7.00% 7.00%              
Interest Rate [3],[4],[11],[19] 7.00% 7.00% 7.00%              
Cost $ 65,202 [3],[4]     65,202 [5],[6],[35]            
Investments at fair value $ 66,739 [3],[4]     $ 65,688 [5],[6],[35]            
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[21]       5.75% 5.75% 5.75%        
Interest Rate [5],[12],[21]       10.48% 10.48% 10.48%        
Principal Amount, Par Value [5],[14],[21]       $ 37,860            
Cost [5],[21]       37,541            
Investments at fair value [5],[21]       $ 36,232            
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4],[9] 5.75% 5.75% 5.75%              
Interest Rate [3],[4],[9],[11] 11.24% 11.24% 11.24%              
Principal Amount, Par Value [3],[4],[9],[13] $ 2,018                  
Cost [3],[4],[9] 1,998                  
Investments at fair value [3],[4],[9] 1,957                  
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       5.75% 5.75% 5.75%        
Interest Rate [5],[6],[10],[12]       10.48% 10.48% 10.48%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 3,985            
Cost [5],[6],[10]       3,950            
Investments at fair value [5],[6],[10]       $ 3,814            
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       5.75% 5.75% 5.75%        
Interest Rate [5],[6],[10],[12]       10.48% 10.48% 10.48%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 2,623            
Cost [5],[6],[10]       2,597            
Investments at fair value [5],[6],[10]       2,510            
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 1,009                  
Cost [3],[4],[9] (10)                  
Investments at fair value [3],[4],[9] $ (31)                  
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[6],[10],[14]       404            
Cost [5],[6],[10]       (4)            
Investments at fair value [5],[6],[10]       (17)            
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[6],[10],[14]       9,080            
Cost [5],[6],[10]       0            
Investments at fair value [5],[6],[10]       $ (390)            
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[8] 5.75% 5.75% 5.75%              
Interest Rate [3],[8],[11] 11.24% 11.24% 11.24%              
Principal Amount, Par Value [3],[8],[13] $ 37,573                  
Cost [3],[8] 37,288                  
Investments at fair value [3],[8] $ 36,431                  
Investment, Identifier [Axis]: Deca Dental Holdings LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4] 5.75% 5.75% 5.75%              
Interest Rate [3],[4],[11] 11.24% 11.24% 11.24%              
Principal Amount, Par Value [3],[4],[13] $ 3,955                  
Cost [3],[4] 3,924                  
Investments at fair value [3],[4] 3,835                  
Investment, Identifier [Axis]: Diligent Corporation , First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 2,138                  
Cost [3],[4],[9],[36] (11)                  
Investments at fair value [3],[4],[9],[36] $ (53)                  
Investment, Identifier [Axis]: Diligent Corporation, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [3],[4],[9] 6.25% [3],[4],[9] 6.25% [3],[4],[9] 6.25% [5],[6],[10] 6.25% [5],[6],[10] 6.25% [5],[6],[10]        
Interest Rate 11.77% [3],[4],[9],[11] 11.77% [3],[4],[9],[11] 11.77% [3],[4],[9],[11] 10.63% [5],[6],[10],[12] 10.63% [5],[6],[10],[12] 10.63% [5],[6],[10],[12]        
Principal Amount, Par Value $ 1,486 [3],[4],[9],[13]     $ 1,087 [5],[6],[10],[14]            
Cost 1,478 [3],[4],[9]     1,082 [5],[6],[10]            
Investments at fair value $ 1,449 [3],[4],[9]     1,087 [5],[6],[10]            
Investment, Identifier [Axis]: Diligent Corporation, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[6],[10],[14]       2,537            
Cost [5],[6],[10],[37]       (13)            
Investments at fair value [5],[6],[10],[37]       $ 0            
Investment, Identifier [Axis]: Diligent Corporation, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 11.27% [3],[8],[11] 11.27% [3],[8],[11] 11.27% [3],[8],[11] 10.13% [5],[12],[21] 10.13% [5],[12],[21] 10.13% [5],[12],[21]        
Principal Amount, Par Value $ 17,449 [3],[8],[13]     $ 17,583 [5],[14],[21]            
Cost 17,408 [3],[8]     17,528 [5],[21]            
Investments at fair value $ 16,940 [3],[8]     $ 17,371 [5],[21]            
Investment, Identifier [Axis]: Diligent Corporation, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 11.27% [3],[8],[11] 11.27% [3],[8],[11] 11.27% [3],[8],[11] 10.13% [5],[12],[21] 10.13% [5],[12],[21] 10.13% [5],[12],[21]        
Principal Amount, Par Value $ 9,730 [3],[8],[13]     $ 9,805 [5],[14],[21]            
Cost 9,708 [3],[8]     9,774 [5],[21]            
Investments at fair value $ 9,446 [3],[8]     $ 9,688 [5],[21]            
Investment, Identifier [Axis]: Diligent Corporation, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [3],[4] 6.25% [3],[4] 6.25% [3],[4] 6.25% [5],[6] 6.25% [5],[6] 6.25% [5],[6]        
Interest Rate 11.77% [3],[4],[11] 11.77% [3],[4],[11] 11.77% [3],[4],[11] 10.63% [5],[6],[12] 10.63% [5],[6],[12] 10.63% [5],[6],[12]        
Principal Amount, Par Value $ 5,783 [3],[4],[13]     $ 5,827 [5],[6],[14]            
Cost 5,768 [3],[4]     5,807 [5],[6]            
Investments at fair value $ 5,637 [3],[4]     5,827 [5],[6]            
Investment, Identifier [Axis]: Diligent Preferred Issuer, Inc., Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [3],[4],[19] 10.50% 10.50% 10.50%              
Interest Rate [3],[4],[11],[19] 10.50% 10.50% 10.50%              
Cost $ 12,129 [3],[4],[36]     11,518 [5],[6],[37]            
Investments at fair value $ 11,243 [3],[4],[36]     $ 11,304 [5],[6],[37]            
Investment, Identifier [Axis]: EAB Global, Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [3],[8] 6.50% [3],[8] 6.50% [3],[8] 6.50% [5],[21] 6.50% [5],[21] 6.50% [5],[21]        
Interest Rate 11.95% [3],[8],[11] 11.95% [3],[8],[11] 11.95% [3],[8],[11] 10.69% [5],[12],[21] 10.69% [5],[12],[21] 10.69% [5],[12],[21]        
Principal Amount, Par Value $ 33,452 [3],[8],[13]     $ 33,452 [5],[14],[21]            
Cost 33,051 [3],[8]     33,017 [5],[21]            
Investments at fair value $ 32,870 [3],[8]     $ 32,392 [5],[21]            
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.), First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[8] 7.50% 7.50% 7.50%              
Interest Rate [3],[8],[11] 13.04% 13.04% 13.04%              
Principal Amount, Par Value [3],[8],[13] $ 10,676                  
Cost [3],[8] 10,676                  
Investments at fair value [3],[8] $ 10,676                  
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.), First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4] 7.50% 7.50% 7.50%              
Interest Rate [3],[4],[11] 13.04% 13.04% 13.04%              
Principal Amount, Par Value [3],[4],[13] $ 342                  
Cost [3],[4] 342                  
Investments at fair value [3],[4] 342                  
Investment, Identifier [Axis]: Eagle Infrastructure Super HoldCo, LLC, Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [3],[4] 4,104                  
Investments at fair value [3],[4] $ 4,094                  
Investment, Identifier [Axis]: Edmentum Ultimate Holdings, LLC, Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.50% [3],[4],[19] 7.50% [3],[4],[19] 7.50% [3],[4],[19] 6.50% [5],[6],[20] 6.50% [5],[6],[20] 6.50% [5],[6],[20]        
PIK 4.50% [3],[4],[19] 4.50% [3],[4],[19] 4.50% [3],[4],[19] 6.50% [5],[6],[20] 6.50% [5],[6],[20] 6.50% [5],[6],[20]        
Interest Rate 17.47% [3],[4],[11],[19] 17.47% [3],[4],[11],[19] 17.47% [3],[4],[11],[19] 13.00% [5],[6],[12],[20] 13.00% [5],[6],[12],[20] 13.00% [5],[6],[12],[20]        
Principal Amount, Par Value $ 17,844 [3],[4],[13]     $ 16,473 [5],[6],[14]            
Cost 17,748 [3],[4],[38]     16,362 [5],[6]            
Investments at fair value 17,845 [3],[4],[38]     16,473 [5],[6]            
Investment, Identifier [Axis]: Education Management Corporation, Ordinary shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 100 [8]     100 [21]            
Investments at fair value 0 [8]     0 [21]            
Investment, Identifier [Axis]: Education Management Corporation, Ordinary shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 56 [4]     56 [6]            
Investments at fair value 0 [4]     0 [6]            
Investment, Identifier [Axis]: Education Management Corporation, Preferred shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 200 [8]     200 [21]            
Investments at fair value 0 [8]     0 [21]            
Investment, Identifier [Axis]: Education Management Corporation, Preferred shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 113 [4]     113 [6]            
Investments at fair value $ 0 [4]     $ 0 [6]            
Investment, Identifier [Axis]: Education Management II LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.50% [8],[25] 7.50% [8],[25] 7.50% [8],[25] 7.50% [21],[26] 7.50% [21],[26] 7.50% [21],[26]        
Interest Rate 13.00% [8],[11],[25] 13.00% [8],[11],[25] 13.00% [8],[11],[25] 13.00% [12],[21],[26] 13.00% [12],[21],[26] 13.00% [12],[21],[26]        
Principal Amount, Par Value $ 300 [8],[13]     $ 300 [14],[21]            
Cost 292 [8]     292 [21]            
Investments at fair value $ 0 [8]     $ 0 [21]            
Investment, Identifier [Axis]: Education Management II LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.50% [4],[25] 7.50% [4],[25] 7.50% [4],[25] 7.50% [6],[26] 7.50% [6],[26] 7.50% [6],[26]        
Interest Rate 13.00% [4],[11],[25] 13.00% [4],[11],[25] 13.00% [4],[11],[25] 13.00% [6],[12],[26] 13.00% [6],[12],[26] 13.00% [6],[12],[26]        
Principal Amount, Par Value $ 169 [4],[13]     $ 169 [6],[14]            
Cost 165 [4]     165 [6]            
Investments at fair value $ 0 [4]     $ 0 [6]            
Investment, Identifier [Axis]: Education Management II LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [8],[25] 6.50% [8],[25] 6.50% [8],[25] 6.50% [21],[26] 6.50% [21],[26] 6.50% [21],[26]        
Interest Rate 9.75% [8],[11],[25] 9.75% [8],[11],[25] 9.75% [8],[11],[25] 9.75% [12],[21],[26] 9.75% [12],[21],[26] 9.75% [12],[21],[26]        
Principal Amount, Par Value $ 205 [8],[13]     $ 205 [14],[21]            
Cost 199 [8]     199 [21]            
Investments at fair value $ 0 [8]     $ 0 [21]            
Investment, Identifier [Axis]: Education Management II LLC, First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [4],[25] 6.50% [4],[25] 6.50% [4],[25] 6.50% [6],[26] 6.50% [6],[26] 6.50% [6],[26]        
Interest Rate 9.75% [4],[11],[25] 9.75% [4],[11],[25] 9.75% [4],[11],[25] 9.75% [6],[12],[26] 9.75% [6],[12],[26] 9.75% [6],[12],[26]        
Principal Amount, Par Value $ 115 [4],[13]     $ 115 [6],[14]            
Cost 112 [4]     112 [6]            
Investments at fair value $ 0 [4]     $ 0 [6]            
Investment, Identifier [Axis]: Education Management II LLC, First lien 5                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.50% [8],[25] 8.50% [8],[25] 8.50% [8],[25] 8.50% [21],[26] 8.50% [21],[26] 8.50% [21],[26]        
Interest Rate 11.75% [8],[11],[25] 11.75% [8],[11],[25] 11.75% [8],[11],[25] 11.75% [12],[21],[26] 11.75% [12],[21],[26] 11.75% [12],[21],[26]        
Principal Amount, Par Value $ 139 [8],[13]     $ 139 [14],[21]            
Cost 115 [8]     115 [21]            
Investments at fair value $ 0 [8]     $ 0 [21]            
Investment, Identifier [Axis]: Education Management II LLC, First lien 6                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.50% [4],[25] 8.50% [4],[25] 8.50% [4],[25] 8.50% [6],[26] 8.50% [6],[26] 8.50% [6],[26]        
Interest Rate 11.75% [4],[11],[25] 11.75% [4],[11],[25] 11.75% [4],[11],[25] 11.75% [6],[12],[26] 11.75% [6],[12],[26] 11.75% [6],[12],[26]        
Principal Amount, Par Value $ 79 [4],[13]     $ 79 [6],[14]            
Cost 65 [4]     65 [6]            
Investments at fair value $ 0 [4]     $ 0 [6]            
Investment, Identifier [Axis]: Education Management II LLC, First lien 7                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.50% [8],[25] 8.50% [8],[25] 8.50% [8],[25] 8.50% [21],[26] 8.50% [21],[26] 8.50% [21],[26]        
Interest Rate 11.75% [8],[11],[25] 11.75% [8],[11],[25] 11.75% [8],[11],[25] 11.75% [12],[21],[26] 11.75% [12],[21],[26] 11.75% [12],[21],[26]        
Principal Amount, Par Value $ 4 [8],[13]     $ 4 [14],[21]            
Cost 3 [8]     3 [21]            
Investments at fair value $ 0 [8]     $ 0 [21]            
Investment, Identifier [Axis]: Education Management II LLC, First lien 8                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.50% [4],[25] 8.50% [4],[25] 8.50% [4],[25] 8.50% [6],[26] 8.50% [6],[26] 8.50% [6],[26]        
Interest Rate 11.75% [4],[11],[25] 11.75% [4],[11],[25] 11.75% [4],[11],[25] 11.75% [6],[12],[26] 11.75% [6],[12],[26] 11.75% [6],[12],[26]        
Principal Amount, Par Value $ 2 [4],[13]     $ 2 [6],[14]            
Cost 2 [4]     2 [6]            
Investments at fair value 0 [4]     $ 0 [6]            
Investment, Identifier [Axis]: Education Management II LLC, First lien, Non-accrual status                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 953                  
Investments at fair value $ 0                  
Investment, Identifier [Axis]: FR Arsenal Holdings II Corp., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[20],[21]       7.50% 7.50% 7.50%        
PIK [5],[20],[21]       2.00% 2.00% 2.00%        
Interest Rate [5],[12],[20],[21]       13.88% 13.88% 13.88%        
Principal Amount, Par Value [5],[14],[21]       $ 14,582            
Cost [5],[21]       14,579            
Investments at fair value [5],[21]       $ 13,123            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [3],[4],[9] 6.00% [3],[4],[9] 6.00% [3],[4],[9] 5.75% [5],[6],[10] 5.75% [5],[6],[10] 5.75% [5],[6],[10]        
Interest Rate 11.54% [3],[4],[9],[11] 11.54% [3],[4],[9],[11] 11.54% [3],[4],[9],[11] 10.50% [5],[6],[10],[12] 10.50% [5],[6],[10],[12] 10.50% [5],[6],[10],[12]        
Principal Amount, Par Value $ 4,145 [3],[4],[9],[13]     $ 490 [5],[6],[10],[14]            
Cost 4,122 [3],[4],[9]     485 [5],[6],[10]            
Investments at fair value $ 4,110 [3],[4],[9]     $ 477 [5],[6],[10]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[4],[9] 5.75% [3],[4],[9] 5.75% [3],[4],[9] 6.00% [5],[6],[10] 6.00% [5],[6],[10] 6.00% [5],[6],[10]        
Interest Rate 11.22% [3],[4],[9],[11] 11.22% [3],[4],[9],[11] 11.22% [3],[4],[9],[11] 10.53% [5],[6],[10],[12] 10.53% [5],[6],[10],[12] 10.53% [5],[6],[10],[12]        
Principal Amount, Par Value $ 140 [3],[4],[9],[13]     $ 589 [5],[6],[10],[14]            
Cost 139 [3],[4],[9]     635 [5],[6],[10]            
Investments at fair value 138 [3],[4],[9]     584 [5],[6],[10]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 1,597 [3],[4],[9],[13]     910 [5],[6],[10],[14]            
Cost (16) [3],[4],[9]     (9) [5],[6],[10]            
Investments at fair value (13) [3],[4],[9]     (25) [5],[6],[10]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 1,260 [3],[4],[9],[13]     5,165 [5],[6],[10],[14]            
Cost (13) [3],[4],[9]     (52) [5],[6],[10]            
Investments at fair value $ (21) [3],[4],[9]     $ (52) [5],[6],[10]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[33] 5.75% [3],[33] 5.75% [3],[33] 5.75% [5],[34] 5.75% [5],[34] 5.75% [5],[34]        
Interest Rate 11.29% [3],[11],[33] 11.29% [3],[11],[33] 11.29% [3],[11],[33] 10.48% [5],[12],[34] 10.48% [5],[12],[34] 10.48% [5],[12],[34]        
Principal Amount, Par Value $ 10,316 [3],[13],[33]     $ 10,395 [5],[14],[34]            
Cost 10,239 [3],[33]     10,306 [5],[34]            
Investments at fair value $ 10,145 [3],[33]     $ 10,110 [5],[34]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[33] 5.75% [3],[33] 5.75% [3],[33] 5.75% [5],[34] 5.75% [5],[34] 5.75% [5],[34]        
Interest Rate 11.31% [3],[11],[33] 11.31% [3],[11],[33] 11.31% [3],[11],[33] 10.48% [5],[12],[34] 10.48% [5],[12],[34] 10.48% [5],[12],[34]        
Principal Amount, Par Value $ 3,463 [3],[13],[33]     $ 3,489 [5],[14],[34]            
Cost 3,434 [3],[33]     3,456 [5],[34]            
Investments at fair value $ 3,405 [3],[33]     $ 3,393 [5],[34]            
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[33] 5.75% [3],[33] 5.75% [3],[33] 5.75% [5],[34] 5.75% [5],[34] 5.75% [5],[34]        
Interest Rate 11.29% [3],[11],[33] 11.29% [3],[11],[33] 11.29% [3],[11],[33] 10.48% [5],[12],[34] 10.48% [5],[12],[34] 10.48% [5],[12],[34]        
Principal Amount, Par Value $ 3,441 [3],[13],[33]     $ 3,467 [5],[14],[34]            
Cost 3,415 [3],[33]     3,437 [5],[34]            
Investments at fair value 3,384 [3],[33]     3,372 [5],[34]            
Investment, Identifier [Axis]: FS WhiteWater Holdings, LLC, Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 5,000 [3],[33]     5,000 [5],[34],[39]            
Investments at fair value $ 4,233 [3],[33]     4,686 [5],[34],[39]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4],[9] 5.25% 5.25% 5.25%              
Interest Rate [3],[4],[9],[11] 10.79% 10.79% 10.79%              
Principal Amount, Par Value [3],[4],[9],[13] $ 545                  
Cost [3],[4],[9] 539                  
Investments at fair value [3],[4],[9] 545                  
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 4,627 [3],[4],[9],[13]     2,095 [5],[6],[10],[14]            
Cost 0 [3],[4],[9]     (21) [5],[6],[10]            
Investments at fair value 0 [3],[4],[9]     (21) [5],[6],[10]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 1,551 [3],[4],[9],[13]     4,907 [5],[6],[10],[14]            
Cost (16) [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     $ (49) [5],[6],[10]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [3],[8] 5.25% [3],[8] 5.25% [3],[8] 5.50% [5],[21] 5.50% [5],[21] 5.50% [5],[21]        
Interest Rate 10.82% [3],[8],[11] 10.82% [3],[8],[11] 10.82% [3],[8],[11] 9.88% [5],[12],[21] 9.88% [5],[12],[21] 9.88% [5],[12],[21]        
Principal Amount, Par Value $ 33,783 [3],[8],[13]     $ 31,968 [5],[14],[21]            
Cost 33,515 [3],[8]     31,678 [5],[21]            
Investments at fair value $ 33,783 [3],[8]     $ 31,648 [5],[21]            
Investment, Identifier [Axis]: Foreside Financial Group, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [3],[4] 5.25% [3],[4] 5.25% [3],[4] 5.50% [5],[6] 5.50% [5],[6] 5.50% [5],[6]        
Interest Rate 10.82% [3],[4],[11] 10.82% [3],[4],[11] 10.82% [3],[4],[11] 9.88% [5],[6],[12] 9.88% [5],[6],[12] 9.88% [5],[6],[12]        
Principal Amount, Par Value $ 278 [3],[4],[13]     $ 2,072 [5],[6],[14]            
Cost 275 [3],[4]     2,052 [5],[6]            
Investments at fair value $ 278 [3],[4]     $ 2,051 [5],[6]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[4],[9] 5.50% [3],[4],[9] 5.50% [3],[4],[9] 5.50% [5],[6],[10] 5.50% [5],[6],[10] 5.50% [5],[6],[10]        
Interest Rate 10.99% [3],[4],[9],[11] 10.99% [3],[4],[9],[11] 10.99% [3],[4],[9],[11] 9.67% [5],[6],[10],[12] 9.67% [5],[6],[10],[12] 9.67% [5],[6],[10],[12]        
Principal Amount, Par Value $ 313 [3],[4],[9],[13]     $ 381 [5],[6],[10],[14]            
Cost 310 [3],[4],[9]     378 [5],[6],[10]            
Investments at fair value 309 [3],[4],[9]     372 [5],[6],[10]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,861 [3],[4],[9],[13]     81 [5],[6],[10],[14]            
Cost (29) [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value (31) [3],[4],[9]     (2) [5],[6],[10]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 4,573 [3],[4],[9],[13]     2,479 [5],[6],[10],[14]            
Cost 0 [3],[4],[9]     (25) [5],[6],[10]            
Investments at fair value $ (50) [3],[4],[9]     (58) [5],[6],[10]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien - Undrawn 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[6],[10],[14]       4,886            
Cost [5],[6],[10]       0            
Investments at fair value [5],[6],[10]       $ (114)            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8] 5.50% [3],[8] 5.50% [3],[8] 5.50% [5],[21] 5.50% [5],[21] 5.50% [5],[21]        
Interest Rate 11.04% [3],[8],[11] 11.04% [3],[8],[11] 11.04% [3],[8],[11] 10.23% [5],[12],[21] 10.23% [5],[12],[21] 10.23% [5],[12],[21]        
Principal Amount, Par Value $ 17,397 [3],[8],[13]     $ 17,529 [5],[14],[21]            
Cost 17,257 [3],[8]     17,374 [5],[21]            
Investments at fair value $ 17,205 [3],[8]     $ 17,119 [5],[21]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[17] 5.50% [3],[17] 5.50% [3],[17] 5.50% [5],[18] 5.50% [5],[18] 5.50% [5],[18]        
Interest Rate 11.04% [3],[11],[17] 11.04% [3],[11],[17] 11.04% [3],[11],[17] 10.23% [5],[12],[18] 10.23% [5],[12],[18] 10.23% [5],[12],[18]        
Principal Amount, Par Value $ 10,118 [3],[13],[17]     $ 10,195 [5],[14],[18]            
Cost 10,040 [3],[17]     10,108 [5],[18]            
Investments at fair value $ 10,006 [3],[17]     $ 9,957 [5],[18]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[4] 5.50% [3],[4] 5.50% [3],[4] 5.50% [5],[6] 5.50% [5],[6] 5.50% [5],[6]        
Interest Rate 11.04% [3],[4],[11] 11.04% [3],[4],[11] 11.04% [3],[4],[11] 10.23% [5],[6],[12] 10.23% [5],[6],[12] 10.23% [5],[6],[12]        
Principal Amount, Par Value $ 868 [3],[4],[13]     $ 875 [5],[6],[14]            
Cost 861 [3],[4]     866 [5],[6]            
Investments at fair value $ 859 [3],[4]     $ 855 [5],[6]            
Investment, Identifier [Axis]: Fortis Solutions Group, LLC, First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4] 5.50% 5.50% 5.50%              
Interest Rate [3],[4],[11] 10.99% 10.99% 10.99%              
Principal Amount, Par Value [3],[4],[13] $ 81                  
Cost [3],[4] 80                  
Investments at fair value [3],[4] $ 80                  
Investment, Identifier [Axis]: Foundational Education Group, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [3],[33] 6.50% [3],[33] 6.50% [3],[33] 6.50% [5],[34] 6.50% [5],[34] 6.50% [5],[34]        
Interest Rate 12.13% [3],[11],[33] 12.13% [3],[11],[33] 12.13% [3],[11],[33] 11.34% [5],[12],[34] 11.34% [5],[12],[34] 11.34% [5],[12],[34]        
Principal Amount, Par Value $ 22,500 [3],[13],[33]     $ 22,500 [5],[14],[34]            
Cost 22,409 [3],[33]     22,401 [5],[34]            
Investments at fair value $ 21,971 [3],[33]     $ 20,810 [5],[34]            
Investment, Identifier [Axis]: Foundational Education Group, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [3],[8] 6.50% [3],[8] 6.50% [3],[8] 6.50% [5],[21] 6.50% [5],[21] 6.50% [5],[21]        
Interest Rate 12.13% [3],[8],[11] 12.13% [3],[8],[11] 12.13% [3],[8],[11] 11.34% [5],[12],[21] 11.34% [5],[12],[21] 11.34% [5],[12],[21]        
Principal Amount, Par Value $ 7,009 [3],[8],[13]     $ 7,009 [5],[14],[21]            
Cost 6,989 [3],[8]     6,987 [5],[21]            
Investments at fair value $ 6,844 [3],[8]     $ 6,483 [5],[21]            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[8],[9] 6.00% 6.00% 6.00%              
Interest Rate [3],[8],[9],[11] 11.42% 11.42% 11.42%              
Principal Amount, Par Value [3],[8],[9],[13] $ 356                  
Cost [3],[8],[9] 353                  
Investments at fair value [3],[8],[9] 356                  
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[10],[21]       5.50% 5.50% 5.50%        
Interest Rate [5],[10],[12],[21]       9.88% 9.88% 9.88%        
Principal Amount, Par Value [5],[10],[14],[21]       $ 16,611            
Cost [5],[10],[21]       16,450            
Investments at fair value [5],[10],[21]       $ 16,411            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       5.50% 5.50% 5.50%        
Interest Rate [5],[6],[10],[12]       9.88% 9.88% 9.88%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 988            
Cost [5],[6],[10]       980            
Investments at fair value [5],[6],[10]       976            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 96 [3],[8],[9],[13]     757 [5],[10],[14],[21]            
Cost 0 [3],[8],[9]     0 [5],[10],[21]            
Investments at fair value 0 [3],[8],[9]     (9) [5],[10],[21]            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 3,951 [3],[4],[9],[13]     2,963 [5],[6],[10],[14]            
Cost (30) [3],[4],[9]     (22) [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     $ (36) [5],[6],[10]            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [3],[8] 6.00% [3],[8] 6.00% [3],[8] 5.50% [5],[34] 5.50% [5],[34] 5.50% [5],[34]        
Interest Rate 11.42% [3],[8],[11] 11.42% [3],[8],[11] 11.42% [3],[8],[11] 9.88% [5],[12],[34] 9.88% [5],[12],[34] 9.88% [5],[12],[34]        
Principal Amount, Par Value $ 40,371 [3],[8],[13]     $ 21,885 [5],[14],[34]            
Cost 40,097 [3],[8]     21,793 [5],[34]            
Investments at fair value $ 40,371 [3],[8]     $ 21,623 [5],[34]            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [3],[33] 6.00% [3],[33] 6.00% [3],[33] 5.50% [5],[21] 5.50% [5],[21] 5.50% [5],[21]        
Interest Rate 11.42% [3],[11],[33] 11.42% [3],[11],[33] 11.42% [3],[11],[33] 9.88% [5],[12],[21] 9.88% [5],[12],[21] 9.88% [5],[12],[21]        
Principal Amount, Par Value $ 21,720 [3],[13],[33]     $ 13,211 [5],[14],[21]            
Cost 21,643 [3],[33]     13,135 [5],[21]            
Investments at fair value 21,720 [3],[33]     $ 13,052 [5],[21]            
Investment, Identifier [Axis]: GC Waves Holdings, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[21]       5.50% 5.50% 5.50%        
Interest Rate [5],[12],[21]       9.88% 9.88% 9.88%        
Principal Amount, Par Value [5],[14],[21]       $ 10,551            
Cost [5],[21]       10,465            
Investments at fair value [5],[21]       10,424            
Investment, Identifier [Axis]: GEDC Equity, LLC, Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [3],[4] 190                  
Investments at fair value [3],[4] 150                  
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 3,730 [3],[4],[9],[13]     5,917 [5],[6],[10],[14]            
Cost (23) [3],[4],[9]     (36) [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     $ (53) [5],[6],[10]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 11.29% [3],[8],[11] 11.29% [3],[8],[11] 11.29% [3],[8],[11] 9.92% [5],[12],[21] 9.92% [5],[12],[21] 9.92% [5],[12],[21]        
Principal Amount, Par Value $ 34,112 [3],[8],[13]     $ 67,275 [5],[14],[21]            
Cost 34,029 [3],[8]     67,074 [5],[21]            
Investments at fair value $ 34,112 [3],[8]     $ 66,675 [5],[21]            
Investment, Identifier [Axis]: GS Acquisitionco, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[33] 5.75% [3],[33] 5.75% [3],[33] 5.75% [5],[34] 5.75% [5],[34] 5.75% [5],[34]        
Interest Rate 11.29% [3],[11],[33] 11.29% [3],[11],[33] 11.29% [3],[11],[33] 9.92% [5],[12],[34] 9.92% [5],[12],[34] 9.92% [5],[12],[34]        
Principal Amount, Par Value $ 21,577 [3],[13],[33]     $ 21,745 [5],[14],[34]            
Cost 21,528 [3],[33]     21,683 [5],[34]            
Investments at fair value $ 21,577 [3],[33]     $ 21,551 [5],[34]            
Investment, Identifier [Axis]: Granicus, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% [3],[4],[9] 6.50% [3],[4],[9] 6.50% [3],[4],[9] 6.50% [5],[6],[10] 6.50% [5],[6],[10] 6.50% [5],[6],[10]        
Interest Rate 11.96% [3],[4],[9],[11] 11.96% [3],[4],[9],[11] 11.96% [3],[4],[9],[11] 10.69% [5],[6],[10],[12] 10.69% [5],[6],[10],[12] 10.69% [5],[6],[10],[12]        
Principal Amount, Par Value $ 1,110 [3],[4],[9],[13]     $ 810 [5],[6],[10],[14]            
Cost 1,102 [3],[4],[9]     804 [5],[6],[10]            
Investments at fair value 1,110 [3],[4],[9]     810 [5],[6],[10]            
Investment, Identifier [Axis]: Granicus, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 1,303 [3],[4],[9],[13]     1,604 [5],[6],[10],[14]            
Cost (10) [3],[4],[9]     (12) [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     $ 0 [5],[6],[10]            
Investment, Identifier [Axis]: Granicus, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[15],[19] 5.50% [3],[15],[19] 5.50% [3],[15],[19] 5.50% [5],[16],[20] 5.50% [5],[16],[20] 5.50% [5],[16],[20]        
PIK 1.50% [3],[15],[19] 1.50% [3],[15],[19] 1.50% [3],[15],[19] 1.50% [5],[16],[20] 1.50% [5],[16],[20] 1.50% [5],[16],[20]        
Interest Rate 12.47% [3],[11],[15],[19] 12.47% [3],[11],[15],[19] 12.47% [3],[11],[15],[19] 11.14% [5],[12],[16],[20] 11.14% [5],[12],[16],[20] 11.14% [5],[12],[16],[20]        
Principal Amount, Par Value $ 15,443 [3],[13],[15]     $ 15,405 [5],[14],[16]            
Cost 15,371 [3],[15]     15,320 [5],[16]            
Investments at fair value $ 15,443 [3],[15]     $ 15,405 [5],[16]            
Investment, Identifier [Axis]: Granicus, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[17],[19] 5.50% [3],[17],[19] 5.50% [3],[17],[19] 5.50% [5],[18],[20] 5.50% [5],[18],[20] 5.50% [5],[18],[20]        
PIK 1.50% [3],[17],[19] 1.50% [3],[17],[19] 1.50% [3],[17],[19] 1.50% [5],[18],[20] 1.50% [5],[18],[20] 1.50% [5],[18],[20]        
Interest Rate 12.47% [3],[11],[17],[19] 12.47% [3],[11],[17],[19] 12.47% [3],[11],[17],[19] 11.14% [5],[12],[18],[20] 11.14% [5],[12],[18],[20] 11.14% [5],[12],[18],[20]        
Principal Amount, Par Value $ 5,974 [3],[13],[17]     $ 5,959 [5],[14],[18]            
Cost 5,945 [3],[17]     5,925 [5],[18]            
Investments at fair value $ 5,974 [3],[17]     $ 5,959 [5],[18]            
Investment, Identifier [Axis]: Granicus, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8],[19] 5.50% [3],[8],[19] 5.50% [3],[8],[19] 5.50% [5],[20],[21] 5.50% [5],[20],[21] 5.50% [5],[20],[21]        
PIK 1.50% [3],[8],[19] 1.50% [3],[8],[19] 1.50% [3],[8],[19] 1.50% [5],[20],[21] 1.50% [5],[20],[21] 1.50% [5],[20],[21]        
Interest Rate 12.47% [3],[8],[11],[19] 12.47% [3],[8],[11],[19] 12.47% [3],[8],[11],[19] 11.14% [5],[12],[20],[21] 11.14% [5],[12],[20],[21] 11.14% [5],[12],[20],[21]        
Principal Amount, Par Value $ 5,892 [3],[8],[13]     $ 5,877 [5],[14],[21]            
Cost 5,864 [3],[8]     5,845 [5],[21]            
Investments at fair value $ 5,892 [3],[8]     $ 5,877 [5],[21]            
Investment, Identifier [Axis]: Granicus, Inc., First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [3],[8] 6.00% [3],[8] 6.00% [3],[8] 6.00% [5],[21] 6.00% [5],[21] 6.00% [5],[21]        
Interest Rate 11.47% [3],[8],[11] 11.47% [3],[8],[11] 11.47% [3],[8],[11] 10.14% [5],[12],[21] 10.14% [5],[12],[21] 10.14% [5],[12],[21]        
Principal Amount, Par Value $ 4,554 [3],[8],[13]     $ 4,579 [5],[14],[21]            
Cost 4,521 [3],[8]     4,540 [5],[21]            
Investments at fair value $ 4,554 [3],[8]     4,579 [5],[21]            
Investment, Identifier [Axis]: Groundworks, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[15] 6.50% 6.50% 6.50%              
Interest Rate [3],[11],[15] 11.81% 11.81% 11.81%              
Principal Amount, Par Value [3],[13],[15] $ 18,216                  
Cost [3],[15] 17,957                  
Investments at fair value [3],[15] 17,943                  
Investment, Identifier [Axis]: Groundworks, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 1,076                  
Cost [3],[4],[9] (16)                  
Investments at fair value [3],[4],[9] (16)                  
Investment, Identifier [Axis]: Groundworks, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[9],[13],[15] 2,237                  
Cost [3],[9],[15] 0                  
Investments at fair value [3],[9],[15] $ (34)                  
Investment, Identifier [Axis]: HB Wealth Management, LLC, Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [3],[19],[40] 4.00% 4.00% 4.00%              
Interest Rate [3],[11],[19],[40] 4.00% 4.00% 4.00%              
Cost $ 4,784 [3],[40]     4,794 [5],[41],[42]            
Investments at fair value $ 5,125 [3],[40]     $ 5,126 [5],[41],[42]            
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[33] 6.75% 6.75% 6.75%              
Interest Rate [3],[11],[33] 12.35% 12.35% 12.35%              
Principal Amount, Par Value [3],[13],[33] $ 22,500                  
Cost [3],[33] 22,427                  
Investments at fair value [3],[33] $ 21,546                  
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[8] 6.75% 6.75% 6.75%              
Interest Rate [3],[8],[11] 12.35% 12.35% 12.35%              
Principal Amount, Par Value [3],[8],[13] $ 4,208                  
Cost [3],[8] 4,183                  
Investments at fair value [3],[8] 4,030                  
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[34]       6.75% 6.75% 6.75%        
Interest Rate [5],[12],[34]       10.94% 10.94% 10.94%        
Principal Amount, Par Value [5],[14],[34]       $ 22,500            
Cost [5],[34]       22,417            
Investments at fair value [5],[34]       $ 21,409            
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[21]       6.75% 6.75% 6.75%        
Interest Rate [5],[12],[21]       10.94% 10.94% 10.94%        
Principal Amount, Par Value [5],[14],[21]       $ 4,208            
Cost [5],[21]       4,179            
Investments at fair value [5],[21]       4,004            
Investment, Identifier [Axis]: Haven Midstream Holdings LLC, Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 0 [3],[43]     0 [5],[44]            
Investments at fair value 2,042 [3],[43]     35,679 [5],[44]            
Investment, Identifier [Axis]: Haven Midstream Holdings LLC, Profit Interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 0 [3],[45]     0 [5],[46]            
Investments at fair value 92 [3],[45]     109 [5],[46]            
Investment, Identifier [Axis]: Haven Midstream LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 8,000 [3],[4],[9],[13]     8,000 [5],[6],[10],[14]            
Cost 0 [3],[4],[9],[47]     0 [5],[6],[10],[48]            
Investments at fair value $ 0 [3],[4],[9],[47]     $ 0 [5],[6],[10],[48]            
Investment, Identifier [Axis]: IG Intermediateco LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[8] 5.75% 5.75% 5.75%              
Interest Rate [3],[8],[11] 11.17% 11.17% 11.17%              
Principal Amount, Par Value [3],[8],[13] $ 18,755                  
Cost [3],[8] 18,650                  
Investments at fair value [3],[8] $ 18,755                  
Investment, Identifier [Axis]: IG Intermediateco LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[17] 5.75% 5.75% 5.75%              
Interest Rate [3],[11],[17] 11.17% 11.17% 11.17%              
Principal Amount, Par Value [3],[13],[17] $ 7,864                  
Cost [3],[17] 7,798                  
Investments at fair value [3],[17] $ 7,864                  
Investment, Identifier [Axis]: IG Intermediateco LLC, Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4] 8.25% 8.25% 8.25%              
Interest Rate [3],[4],[11] 13.74% 13.74% 13.74%              
Principal Amount, Par Value [3],[4],[13] $ 17,245                  
Cost [3],[4] 17,054                  
Investments at fair value [3],[4] 17,245                  
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       6.00% 6.00% 6.00%        
Interest Rate [5],[6],[10],[12]       10.39% 10.39% 10.39%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 919            
Cost [5],[6],[10]       910            
Investments at fair value [5],[6],[10]       906            
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,298 [3],[4],[9],[13]     1,379 [5],[6],[10],[14]            
Cost (23) [3],[4],[9]     (14) [5],[6],[10]            
Investments at fair value $ (31) [3],[4],[9]     $ (19) [5],[6],[10]            
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [3],[8] 6.00% [3],[8] 6.00% [3],[8] 6.00% [5],[21] 6.00% [5],[21] 6.00% [5],[21]        
Interest Rate 11.45% [3],[8],[11] 11.45% [3],[8],[11] 11.45% [3],[8],[11] 10.38% [5],[12],[21] 10.38% [5],[12],[21] 10.38% [5],[12],[21]        
Principal Amount, Par Value $ 28,912 [3],[8],[13]     $ 29,134 [5],[14],[21]            
Cost 28,690 [3],[8]     28,884 [5],[21]            
Investments at fair value $ 28,528 [3],[8]     $ 28,731 [5],[21]            
Investment, Identifier [Axis]: IG Investments Holdings, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [3],[8] 6.00% [3],[8] 6.00% [3],[8] 6.00% [5],[21] 6.00% [5],[21] 6.00% [5],[21]        
Interest Rate 11.47% [3],[8],[11] 11.47% [3],[8],[11] 11.47% [3],[8],[11] 10.38% [5],[12],[21] 10.38% [5],[12],[21] 10.38% [5],[12],[21]        
Principal Amount, Par Value $ 4,225 [3],[8],[13]     $ 4,257 [5],[14],[21]            
Cost 4,207 [3],[8]     4,238 [5],[21]            
Investments at fair value $ 4,168 [3],[8]     $ 4,198 [5],[21]            
Investment, Identifier [Axis]: IMO Investor Holdings, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [3],[8] 6.00% [3],[8] 6.00% [3],[8] 6.00% [5],[21] 6.00% [5],[21] 6.00% [5],[21]        
Interest Rate 11.36% [3],[8],[11] 11.36% [3],[8],[11] 11.36% [3],[8],[11] 10.62% [5],[12],[21] 10.62% [5],[12],[21] 10.62% [5],[12],[21]        
Principal Amount, Par Value $ 12,877 [3],[8],[13]     $ 12,974 [5],[14],[21]            
Cost 12,767 [3],[8]     12,854 [5],[21]            
Investments at fair value $ 12,592 [3],[8]     $ 12,845 [5],[21]            
Investment, Identifier [Axis]: IMO Investor Holdings, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       6.00% 6.00% 6.00%        
Interest Rate [5],[6],[10],[12]       10.61% 10.61% 10.61%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 294            
Cost [5],[6],[10]       291            
Investments at fair value [5],[6],[10]       291            
Investment, Identifier [Axis]: IMO Investor Holdings, Inc., First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4],[9] 6.00% 6.00% 6.00%              
Interest Rate [3],[4],[9],[11] 11.04% 11.04% 11.04%              
Principal Amount, Par Value [3],[4],[9],[13] $ 832                  
Cost [3],[4],[9] 847                  
Investments at fair value [3],[4],[9] $ 814                  
Investment, Identifier [Axis]: IMO Investor Holdings, Inc., First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4],[9] 6.00% 6.00% 6.00%              
Interest Rate [3],[4],[9],[11] 11.42% 11.42% 11.42%              
Principal Amount, Par Value [3],[4],[9],[13] $ 248                  
Cost [3],[4],[9] 245                  
Investments at fair value [3],[4],[9] 242                  
Investment, Identifier [Axis]: IMO Investor Holdings, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 1,301 [3],[4],[9],[13]     1,254 [5],[6],[10],[14]            
Cost (13) [3],[4],[9]     (13) [5],[6],[10]            
Investments at fair value (29) [3],[4],[9]     (13) [5],[6],[10]            
Investment, Identifier [Axis]: IMO Investor Holdings, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,261 [3],[4],[9],[13]     3,097 [5],[6],[10],[14]            
Cost (23) [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value $ (50) [3],[4],[9]     $ (31) [5],[6],[10]            
Investment, Identifier [Axis]: Idera, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [3],[15] 6.75% [3],[15] 6.75% [3],[15] 6.75% [5],[16] 6.75% [5],[16] 6.75% [5],[16]        
Interest Rate 12.27% [3],[11],[15] 12.27% [3],[11],[15] 12.27% [3],[11],[15] 10.50% [5],[12],[16] 10.50% [5],[12],[16] 10.50% [5],[12],[16]        
Principal Amount, Par Value $ 22,500 [3],[13],[15]     $ 22,500 [5],[14],[16]            
Cost 22,265 [3],[15]     22,243 [5],[16]            
Investments at fair value $ 22,194 [3],[15]     $ 21,168 [5],[16]            
Investment, Identifier [Axis]: Idera, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [3],[4] 6.75% [3],[4] 6.75% [3],[4] 6.75% [5],[6] 6.75% [5],[6] 6.75% [5],[6]        
Interest Rate 12.27% [3],[4],[11] 12.27% [3],[4],[11] 12.27% [3],[4],[11] 10.50% [5],[6],[12] 10.50% [5],[6],[12] 10.50% [5],[6],[12]        
Principal Amount, Par Value $ 3,000 [3],[4],[13]     $ 3,000 [5],[6],[14]            
Cost 2,989 [3],[4]     2,986 [5],[6]            
Investments at fair value 2,959 [3],[4]     $ 2,822 [5],[6]            
Investment, Identifier [Axis]: Infogain Corporation, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       5.75% 5.75% 5.75%        
Interest Rate [5],[6],[10],[12]       10.17% 10.17% 10.17%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 1,068            
Cost [5],[6],[10]       1,060            
Investments at fair value [5],[6],[10]       1,048            
Investment, Identifier [Axis]: Infogain Corporation, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 3,827 [3],[4],[9],[13]     2,759 [5],[6],[10],[14]            
Cost (29) [3],[4],[9]     (21) [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     $ (52) [5],[6],[10]            
Investment, Identifier [Axis]: Infogain Corporation, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[21]       5.75% 5.75% 5.75%        
Interest Rate [5],[12],[21]       10.17% 10.17% 10.17%        
Principal Amount, Par Value [5],[14],[21]       $ 18,898            
Cost [5],[21]       18,780            
Investments at fair value [5],[21]       $ 18,545            
Investment, Identifier [Axis]: Infogain Corporation, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[18]       5.75% 5.75% 5.75%        
Interest Rate [5],[12],[18]       10.17% 10.17% 10.17%        
Principal Amount, Par Value [5],[14],[18]       $ 7,923            
Cost [5],[18]       7,849            
Investments at fair value [5],[18]       $ 7,775            
Investment, Identifier [Axis]: Infogain Corporation, Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6]       8.25% 8.25% 8.25%        
Interest Rate [5],[6],[12]       12.93% 12.93% 12.93%        
Principal Amount, Par Value [5],[6],[14]       $ 17,245            
Cost [5],[6]       17,039            
Investments at fair value [5],[6]       $ 16,846            
Investment, Identifier [Axis]: Integro Parent Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[20],[21]       12.25% 12.25% 12.25%        
PIK [3],[8],[19] 12.25% 12.25% 12.25%              
Interest Rate 17.64% [3],[8],[11] 17.64% [3],[8],[11] 17.64% [3],[8],[11] 16.83% [5],[12],[20],[21] 16.83% [5],[12],[20],[21] 16.83% [5],[12],[20],[21]        
Principal Amount, Par Value $ 4,129 [3],[8],[13]     $ 4,187 [5],[14],[21]            
Cost 4,128 [3],[8]     4,184 [5],[21]            
Investments at fair value $ 4,129 [3],[8]     $ 4,187 [5],[21]            
Investment, Identifier [Axis]: Integro Parent Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[20]       12.25% 12.25% 12.25%        
PIK [3],[4],[19] 12.25% 12.25% 12.25%              
Interest Rate 17.64% [3],[4],[11] 17.64% [3],[4],[11] 17.64% [3],[4],[11] 16.83% [5],[6],[12],[20] 16.83% [5],[6],[12],[20] 16.83% [5],[6],[12],[20]        
Principal Amount, Par Value $ 815 [3],[4],[13]     $ 827 [5],[6],[14]            
Cost 813 [3],[4]     823 [5],[6]            
Investments at fair value $ 815 [3],[4]     $ 828 [5],[6]            
Investment, Identifier [Axis]: Integro Parent Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[20],[26]       12.25% 12.25% 12.25%        
PIK [3],[4],[19] 12.25% 12.25% 12.25%              
Interest Rate 17.64% [3],[4],[11] 17.64% [3],[4],[11] 17.64% [3],[4],[11] 16.83% [5],[6],[12],[20],[26] 16.83% [5],[6],[12],[20],[26] 16.83% [5],[6],[12],[20],[26]        
Principal Amount, Par Value $ 13,074 [3],[4],[13]     $ 11,510 [5],[6],[14]            
Cost 12,303 [3],[4]     11,109 [5],[6]            
Investments at fair value $ 12,305 [3],[4]     $ 8,718 [5],[6]            
Investment, Identifier [Axis]: Integro Parent Inc., Second lien, Non-accrual status                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value             $ 4,576      
Investment, Identifier [Axis]: KAMC Holdings, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.00% [3],[8] 8.00% [3],[8] 8.00% [3],[8] 8.00% [5],[21] 8.00% [5],[21] 8.00% [5],[21]        
Interest Rate 13.64% [3],[8],[11] 13.64% [3],[8],[11] 13.64% [3],[8],[11] 12.65% [5],[12],[21] 12.65% [5],[12],[21] 12.65% [5],[12],[21]        
Principal Amount, Par Value $ 18,750 [3],[8],[13]     $ 18,750 [5],[14],[21]            
Cost 18,668 [3],[8]     18,657 [5],[21]            
Investments at fair value $ 17,038 [3],[8]     $ 15,938 [5],[21]            
Investment, Identifier [Axis]: KAMC Holdings, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.00% [3],[17] 8.00% [3],[17] 8.00% [3],[17] 8.00% [5],[18] 8.00% [5],[18] 8.00% [5],[18]        
Interest Rate 13.64% [3],[11],[17] 13.64% [3],[11],[17] 13.64% [3],[11],[17] 12.65% [5],[12],[18] 12.65% [5],[12],[18] 12.65% [5],[12],[18]        
Principal Amount, Par Value $ 18,750 [3],[13],[17]     $ 18,750 [5],[14],[18]            
Cost 18,668 [3],[17]     18,657 [5],[18]            
Investments at fair value $ 17,038 [3],[17]     $ 15,937 [5],[18]            
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [3],[8],[9] 5.25% [3],[8],[9] 5.25% [3],[8],[9] 4.50% [5],[10],[21] 4.50% [5],[10],[21] 4.50% [5],[10],[21]        
Interest Rate 10.71% [3],[8],[9],[11] 10.71% [3],[8],[9],[11] 10.71% [3],[8],[9],[11] 12.00% [5],[10],[12],[21] 12.00% [5],[10],[12],[21] 12.00% [5],[10],[12],[21]        
Principal Amount, Par Value $ 826 [3],[8],[9],[13]     $ 145 [5],[10],[14],[21]            
Cost 818 [3],[8],[9]     144 [5],[10],[21]            
Investments at fair value 826 [3],[8],[9]     139 [5],[10],[21]            
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 337 [3],[8],[9],[13]     1,022 [5],[10],[14],[21]            
Cost 0 [3],[8],[9]     0 [5],[10],[21]            
Investments at fair value $ 0 [3],[8],[9]     $ (45) [5],[10],[21]            
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [3],[17] 5.25% [3],[17] 5.25% [3],[17] 5.50% [5],[18] 5.50% [5],[18] 5.50% [5],[18]        
Interest Rate 10.72% [3],[11],[17] 10.72% [3],[11],[17] 10.72% [3],[11],[17] 9.89% [5],[12],[18] 9.89% [5],[12],[18] 9.89% [5],[12],[18]        
Principal Amount, Par Value $ 6,915 [3],[13],[17]     $ 6,968 [5],[14],[18]            
Cost 6,862 [3],[17]     6,908 [5],[18]            
Investments at fair value $ 6,915 [3],[17]     $ 6,662 [5],[18]            
Investment, Identifier [Axis]: KPSKY Acquisition Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [3],[8] 5.25% [3],[8] 5.25% [3],[8] 4.50% [5],[21] 4.50% [5],[21] 4.50% [5],[21]        
Interest Rate 10.63% [3],[8],[11] 10.63% [3],[8],[11] 10.63% [3],[8],[11] 12.00% [5],[12],[21] 12.00% [5],[12],[21] 12.00% [5],[12],[21]        
Principal Amount, Par Value $ 792 [3],[8],[13]     $ 801 [5],[14],[21]            
Cost 786 [3],[8]     794 [5],[21]            
Investments at fair value $ 792 [3],[8]     $ 766 [5],[21]            
Investment, Identifier [Axis]: Kaseya Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% [3],[8],[19] 3.75% [3],[8],[19] 3.75% [3],[8],[19] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
PIK [3],[8],[19] 2.50% 2.50% 2.50%              
Interest Rate 11.62% [3],[8],[11],[19] 11.62% [3],[8],[11],[19] 11.62% [3],[8],[11],[19] 10.33% [5],[12],[21] 10.33% [5],[12],[21] 10.33% [5],[12],[21]        
Principal Amount, Par Value $ 63,229 [3],[8],[13]     $ 63,093 [5],[14],[21]            
Cost 62,820 [3],[8]     62,647 [5],[21],[49]            
Investments at fair value $ 63,229 [3],[8]     62,172 [5],[21],[49]            
Investment, Identifier [Axis]: Kaseya Inc., First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4],[9],[19] 3.75% 3.75% 3.75%              
PIK [3],[4],[9],[19] 2.50% 2.50% 2.50%              
Interest Rate [3],[4],[9],[11],[19] 11.57% 11.57% 11.57%              
Principal Amount, Par Value [3],[4],[9],[13] $ 969                  
Cost [3],[4],[9] 962                  
Investments at fair value [3],[4],[9] $ 969                  
Investment, Identifier [Axis]: Kaseya Inc., First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4],[9],[19] 3.75% 3.75% 3.75%              
PIK [3],[4],[9],[19] 2.50% 2.50% 2.50%              
Interest Rate [3],[4],[9],[11],[19] 11.62% 11.62% 11.62%              
Principal Amount, Par Value [3],[4],[9],[13] $ 235                  
Cost [3],[4],[9] 261                  
Investments at fair value [3],[4],[9] 235                  
Investment, Identifier [Axis]: Kaseya Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,888 [3],[4],[9],[13]     3,851 [5],[6],[10],[14]            
Cost (22) [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value 0 [3],[4],[9]     (56) [5],[6],[10]            
Investment, Identifier [Axis]: Kaseya Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 3,616 [3],[4],[9],[13]     3,851 [5],[6],[10],[14]            
Cost (27) [3],[4],[9]     (29) [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     $ (56) [5],[6],[10]            
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [3],[33] 5.25% [3],[33] 5.25% [3],[33] 5.25% [5],[34] 5.25% [5],[34] 5.25% [5],[34]        
Interest Rate 10.68% [3],[11],[33] 10.68% [3],[11],[33] 10.68% [3],[11],[33] 9.42% [5],[12],[34] 9.42% [5],[12],[34] 9.42% [5],[12],[34]        
Principal Amount, Par Value $ 14,837 [3],[13],[33]     $ 15,788 [5],[14],[34]            
Cost 14,804 [3],[33]     15,742 [5],[34]            
Investments at fair value 14,837 [3],[33]     15,788 [5],[34]            
Investment, Identifier [Axis]: Kele Holdco, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 1,799 [3],[4],[9],[13]     1,799 [5],[6],[10],[14]            
Cost (9) [3],[4],[9]     (9) [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     0 [5],[6],[10]            
Investment, Identifier [Axis]: Knockout Intermediate Holdings I Inc., Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [3],[4],[19] 11.75% 11.75% 11.75%              
Interest Rate [3],[4],[11],[19] 11.75% 11.75% 11.75%              
Cost $ 16,837 [3],[4],[50]     14,961 [5],[6],[49]            
Investments at fair value $ 17,019 [3],[4],[50]     $ 14,661 [5],[6],[49]            
Investment, Identifier [Axis]: MED Parentco, LP, Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.25% [3],[17] 8.25% [3],[17] 8.25% [3],[17] 8.25% [18] 8.25% [18] 8.25% [18]        
Interest Rate 13.68% [3],[11],[17] 13.68% [3],[11],[17] 13.68% [3],[11],[17] 12.63% [12],[18] 12.63% [12],[18] 12.63% [12],[18]        
Principal Amount, Par Value $ 20,857 [3],[13],[17]     $ 20,857 [14],[18]            
Cost 20,765 [3],[17]     20,752 [18]            
Investments at fair value 19,585 [3],[17]     15,726 [18]            
Investment, Identifier [Axis]: MRI Software LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[6],[10],[14]       2,002            
Cost [5],[6],[10]       (10)            
Investments at fair value [5],[6],[10]       (45)            
Investment, Identifier [Axis]: MRI Software LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 2,002                  
Cost [3],[4],[9] (10)                  
Investments at fair value [3],[4],[9] $ (19)                  
Investment, Identifier [Axis]: MRI Software LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[6],[10],[14]       4,074            
Cost [5],[6],[10]       0            
Investments at fair value [5],[6],[10]       $ (92)            
Investment, Identifier [Axis]: MRI Software LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[33] 5.50% [3],[33] 5.50% [3],[33] 5.50% [5],[34] 5.50% [5],[34] 5.50% [5],[34]        
Interest Rate 10.99% [3],[11],[33] 10.99% [3],[11],[33] 10.99% [3],[11],[33] 10.23% [5],[12],[34] 10.23% [5],[12],[34] 10.23% [5],[12],[34]        
Principal Amount, Par Value $ 21,711 [3],[13],[33]     $ 21,879 [5],[14],[34]            
Cost 21,662 [3],[33]     21,817 [5],[34]            
Investments at fair value $ 21,502 [3],[33]     $ 21,383 [5],[34]            
Investment, Identifier [Axis]: MRI Software LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[4] 5.50% [3],[4] 5.50% [3],[4] 5.50% [5],[21] 5.50% [5],[21] 5.50% [5],[21]        
Interest Rate 10.99% [3],[4],[11] 10.99% [3],[4],[11] 10.99% [3],[4],[11] 10.23% [5],[12],[21] 10.23% [5],[12],[21] 10.23% [5],[12],[21]        
Principal Amount, Par Value $ 7,690 [3],[4],[13]     $ 4,615 [5],[14],[21]            
Cost 7,674 [3],[4]     4,606 [5],[21]            
Investments at fair value $ 7,616 [3],[4]     $ 4,511 [5],[21]            
Investment, Identifier [Axis]: MRI Software LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8] 5.50% [3],[8] 5.50% [3],[8] 5.50% [5],[21] 5.50% [5],[21] 5.50% [5],[21]        
Interest Rate 10.99% [3],[8],[11] 10.99% [3],[8],[11] 10.99% [3],[8],[11] 10.23% [5],[12],[21] 10.23% [5],[12],[21] 10.23% [5],[12],[21]        
Principal Amount, Par Value $ 4,580 [3],[8],[13]     $ 3,173 [5],[14],[21]            
Cost 4,573 [3],[8]     3,163 [5],[21]            
Investments at fair value $ 4,536 [3],[8]     $ 3,101 [5],[21]            
Investment, Identifier [Axis]: MRI Software LLC, First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8] 5.50% [3],[8] 5.50% [3],[8] 5.50% [5],[6] 5.50% [5],[6] 5.50% [5],[6]        
Interest Rate 10.99% [3],[8],[11] 10.99% [3],[8],[11] 10.99% [3],[8],[11] 10.23% [5],[6],[12] 10.23% [5],[6],[12] 10.23% [5],[6],[12]        
Principal Amount, Par Value $ 3,148 [3],[8],[13]     $ 3,664 [5],[6],[14]            
Cost 3,141 [3],[8]     3,656 [5],[6]            
Investments at fair value $ 3,118 [3],[8]     $ 3,581 [5],[6]            
Investment, Identifier [Axis]: MRI Software LLC, First lien 5                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[4] 5.50% [3],[4] 5.50% [3],[4] 5.50% [5],[6] 5.50% [5],[6] 5.50% [5],[6]        
Interest Rate 10.99% [3],[4],[11] 10.99% [3],[4],[11] 10.99% [3],[4],[11] 10.23% [5],[6],[12] 10.23% [5],[6],[12] 10.23% [5],[6],[12]        
Principal Amount, Par Value $ 803 [3],[4],[13]     $ 810 [5],[6],[14]            
Cost 801 [3],[4]     807 [5],[6]            
Investments at fair value 796 [3],[4]     791 [5],[6]            
Investment, Identifier [Axis]: NHME Holdings Corp., Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 4,000 [3],[4],[51]     4,000 [5],[6],[52]            
Investments at fair value 0 [3],[4],[51]     0 [5],[6],[52]            
Investment, Identifier [Axis]: NHME Holdings Corp., Warrants                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 1,000 [3],[4],[51]     1,000 [5],[6],[52]            
Investments at fair value 0 [3],[4],[51]     0 [5],[6],[52]            
Investment, Identifier [Axis]: NM APP Canada Corp., Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 0 [3],[53]     0 [5],[54]            
Investments at fair value 7 [3],[30],[53]     0 [5],[31],[54]            
Investment, Identifier [Axis]: NM APP US LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [5],[54]       0            
Investments at fair value [5],[54]       0            
Investment, Identifier [Axis]: NM CLFX LP, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 12,278 [3],[53]     12,538 [5],[54]            
Investments at fair value 11,692 [3],[53]     16,172 [5],[54]            
Investment, Identifier [Axis]: NM DRVT LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [5],[54]       0            
Investments at fair value [5],[54]       0            
Investment, Identifier [Axis]: NM GLCR LP, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [5],[54]       0            
Investments at fair value [5],[54]       0            
Investment, Identifier [Axis]: NM GP Holdco, LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 861 [3],[53]     861 [5],[54]            
Investments at fair value 1,041 [3],[30],[53]     1,028 [5],[31],[54]            
Investment, Identifier [Axis]: NM JRA LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [5],[54]       0            
Investments at fair value [5],[54]       0            
Investment, Identifier [Axis]: NM KRLN LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost [5],[54]       0            
Investments at fair value [5],[54]       0            
Investment, Identifier [Axis]: NM NL Holdings, L.P., Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 76,371 [3],[53]     76,370 [5],[54]            
Investments at fair value 95,892 [3],[30],[53]     94,305 [5],[31],[54]            
Investment, Identifier [Axis]: NM YI, LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 6,272 [3],[53]     6,272 [5],[54]            
Investments at fair value $ 9,449 [3],[53]     $ 9,481 [5],[54]            
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.09% [3],[4],[9] 6.09% [3],[4],[9] 6.09% [3],[4],[9] 6.00% [5],[6],[10] 6.00% [5],[6],[10] 6.00% [5],[6],[10]        
Interest Rate 11.64% [3],[4],[9],[11] 11.64% [3],[4],[9],[11] 11.64% [3],[4],[9],[11] 10.39% [5],[6],[10],[12] 10.39% [5],[6],[10],[12] 10.39% [5],[6],[10],[12]        
Principal Amount, Par Value $ 5,012 [3],[4],[9],[13]     $ 1,635 [5],[6],[10],[14]            
Cost 4,991 [3],[4],[9]     1,611 [5],[6],[10]            
Investments at fair value 4,921 [3],[4],[9]     1,624 [5],[6],[10]            
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 889 [3],[4],[9],[13]     9,029 [5],[6],[10],[14]            
Cost 0 [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value $ (16) [3],[4],[9]     $ (63) [5],[6],[10]            
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.09% [3],[17] 6.09% [3],[17] 6.09% [3],[17] 6.00% [5],[18] 6.00% [5],[18] 6.00% [5],[18]        
Interest Rate 11.49% [3],[11],[17] 11.49% [3],[11],[17] 11.49% [3],[11],[17] 9.74% [5],[12],[18] 9.74% [5],[12],[18] 9.74% [5],[12],[18]        
Principal Amount, Par Value $ 19,259 [3],[13],[17]     $ 19,259 [5],[14],[18]            
Cost 19,058 [3],[17]     19,033 [5],[18]            
Investments at fair value $ 18,908 [3],[17]     $ 19,124 [5],[18]            
Investment, Identifier [Axis]: NMC Crimson Holdings, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.09% [3],[8] 6.09% [3],[8] 6.09% [3],[8] 6.00% [5],[21] 6.00% [5],[21] 6.00% [5],[21]        
Interest Rate 11.49% [3],[8],[11] 11.49% [3],[8],[11] 11.49% [3],[8],[11] 9.74% [5],[12],[21] 9.74% [5],[12],[21] 9.74% [5],[12],[21]        
Principal Amount, Par Value $ 4,913 [3],[8],[13]     $ 4,913 [5],[14],[21]            
Cost 4,861 [3],[8]     4,855 [5],[21]            
Investments at fair value 4,824 [3],[8]     4,879 [5],[21]            
Investment, Identifier [Axis]: NMFC Senior Loan Program III LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 140,000 [3],[4]     140,000 [5],[6]            
Investments at fair value 140,000 [3],[4],[30]     140,000 [5],[6],[31]            
Investment, Identifier [Axis]: NMFC Senior Loan Program IV LLC, Membership interest                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 112,400 [3],[4]     112,400 [5],[6]            
Investments at fair value $ 112,400 [3],[4],[30]     $ 112,400 [5],[6],[31]            
Investment, Identifier [Axis]: National HME, Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [3],[4],[19],[25] 5.00% 5.00% 5.00%              
Interest Rate [3],[4],[11],[19],[25] 10.51% 10.51% 10.51%              
Principal Amount, Par Value [3],[4],[13] $ 8,281                  
Cost [3],[4] 7,872                  
Investments at fair value [3],[4] $ 3,000                  
Investment, Identifier [Axis]: National HME, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [5],[6],[20],[26]       12.00% 12.00% 12.00%        
Interest Rate [5],[6],[12],[20],[26]       12.00% 12.00% 12.00%        
Principal Amount, Par Value [5],[6],[14]       $ 13,013            
Cost [5],[6]       12,583            
Investments at fair value [5],[6]       $ 5,381            
Investment, Identifier [Axis]: National HME, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [5],[6],[20],[26]       12.00% 12.00% 12.00%        
Interest Rate [5],[6],[12],[20],[26]       12.00% 12.00% 12.00%        
Principal Amount, Par Value [5],[6],[14]       $ 14,500            
Cost [5],[6]       12,693            
Investments at fair value [5],[6]       $ 0            
Investment, Identifier [Axis]: New Benevis Holdco, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[20],[21]       2.50% 2.50% 2.50%        
PIK 9.50% [3],[8],[19] 9.50% [3],[8],[19] 9.50% [3],[8],[19] 7.00% [5],[20],[21] 7.00% [5],[20],[21] 7.00% [5],[20],[21]        
Interest Rate 14.99% [3],[8],[11],[19] 14.99% [3],[8],[11],[19] 14.99% [3],[8],[11],[19] 14.23% [5],[12],[20],[21] 14.23% [5],[12],[20],[21] 14.23% [5],[12],[20],[21]        
Principal Amount, Par Value $ 40,208 [3],[8],[13]     $ 35,541 [5],[14],[21]            
Cost 40,208 [3],[8]     35,541 [5],[21]            
Investments at fair value $ 40,208 [3],[8]     $ 35,541 [5],[21]            
Investment, Identifier [Axis]: New Benevis Holdco, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[18],[20]       2.50% 2.50% 2.50%        
PIK 9.50% [3],[4],[19] 9.50% [3],[4],[19] 9.50% [3],[4],[19] 7.00% [5],[18],[20] 7.00% [5],[18],[20] 7.00% [5],[18],[20]        
Interest Rate 14.99% [3],[4],[11],[19] 14.99% [3],[4],[11],[19] 14.99% [3],[4],[11],[19] 14.23% [5],[12],[18],[20] 14.23% [5],[12],[18],[20] 14.23% [5],[12],[18],[20]        
Principal Amount, Par Value $ 12,392 [3],[4],[13]     $ 8,720 [5],[14],[18]            
Cost 12,392 [3],[4]     8,720 [5],[18]            
Investments at fair value $ 12,392 [3],[4]     $ 8,720 [5],[18]            
Investment, Identifier [Axis]: New Benevis Holdco, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[20]       2.50% 2.50% 2.50%        
PIK 9.50% [3],[17],[19] 9.50% [3],[17],[19] 9.50% [3],[17],[19] 7.00% [5],[6],[20] 7.00% [5],[6],[20] 7.00% [5],[6],[20]        
Interest Rate 14.99% [3],[11],[17],[19] 14.99% [3],[11],[17],[19] 14.99% [3],[11],[17],[19] 14.23% [5],[6],[12],[20] 14.23% [5],[6],[12],[20] 14.23% [5],[6],[12],[20]        
Principal Amount, Par Value $ 9,865 [3],[13],[17]     $ 4,282 [5],[6],[14]            
Cost 9,865 [3],[17]     4,282 [5],[6]            
Investments at fair value $ 9,865 [3],[17]     $ 4,282 [5],[6]            
Investment, Identifier [Axis]: New Benevis Holdco, Inc., Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 12.00% [3],[4],[19] 12.00% [3],[4],[19] 12.00% [3],[4],[19] 12.00% [5],[6],[20] 12.00% [5],[6],[20] 12.00% [5],[6],[20]        
Interest Rate 12.00% [3],[4],[11],[19] 12.00% [3],[4],[11],[19] 12.00% [3],[4],[11],[19] 12.00% [5],[6],[12],[20] 12.00% [5],[6],[12],[20] 12.00% [5],[6],[12],[20]        
Principal Amount, Par Value $ 20,458 [3],[4],[13]     $ 18,687 [5],[6],[14]            
Cost 19,070 [3],[4]     16,874 [5],[6]            
Investments at fair value 16,366 [3],[4]     14,950 [5],[6]            
Investment, Identifier [Axis]: New Benevis Topco, LLC, Ordinary shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 27,154 [3],[8]     27,154 [5],[21]            
Investments at fair value 34,490 [3],[8]     34,490 [5],[21]            
Investment, Identifier [Axis]: New Benevis Topco, LLC, Ordinary shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 6,662 [3],[17]     6,662 [5],[18]            
Investments at fair value 8,462 [3],[17]     8,462 [5],[18]            
Investment, Identifier [Axis]: New Benevis Topco, LLC, Ordinary shares 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 6,105 [3],[4]     6,106 [5],[6]            
Investments at fair value 7,701 [3],[4]     7,701 [5],[6]            
Investment, Identifier [Axis]: New Permian Holdco, Inc., Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 11,155 [3],[4]     11,155 [5],[6]            
Investments at fair value $ 26,000 [3],[4]     $ 26,000 [5],[6]            
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4] 9.00% 9.00% 9.00%              
PIK [5],[6],[20]       18.00% 18.00% 18.00%        
Interest Rate 14.65% [3],[4],[11] 14.65% [3],[4],[11] 14.65% [3],[4],[11] 18.00% [5],[6],[12],[20] 18.00% [5],[6],[12],[20] 18.00% [5],[6],[12],[20]        
Principal Amount, Par Value $ 23,336 [3],[4],[13]     $ 21,779 [5],[6],[14]            
Cost 23,336 [3],[4]     21,779 [5],[6]            
Investments at fair value $ 23,336 [3],[4]     $ 21,779 [5],[6]            
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [3],[4],[9] 6.00% [3],[4],[9] 6.00% [3],[4],[9] 9.00% [5],[6],[10],[20] 9.00% [5],[6],[10],[20] 9.00% [5],[6],[10],[20]        
Interest Rate 11.65% [3],[4],[9],[11] 11.65% [3],[4],[9],[11] 11.65% [3],[4],[9],[11] 13.12% [5],[6],[10],[12],[20] 13.12% [5],[6],[10],[12],[20] 13.12% [5],[6],[10],[12],[20]        
Principal Amount, Par Value $ 12,599 [3],[4],[9],[13]     $ 9,785 [5],[6],[10],[14]            
Cost 12,599 [3],[4],[9]     9,785 [5],[6],[10]            
Investments at fair value 12,599 [3],[4],[9]     9,785 [5],[6],[10]            
Investment, Identifier [Axis]: New Permian Holdco, L.L.C., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 9,295 [3],[4],[9],[13]     1,577 [5],[6],[10],[14]            
Cost 0 [3],[4],[9]     0 [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     $ 0 [5],[6],[10]            
Investment, Identifier [Axis]: New Trojan Parent, Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.25% [3],[8] 7.25% [3],[8] 7.25% [3],[8] 7.25% [5],[21] 7.25% [5],[21] 7.25% [5],[21]        
Interest Rate 12.68% [3],[8],[11] 12.68% [3],[8],[11] 12.68% [3],[8],[11] 11.63% [5],[12],[21] 11.63% [5],[12],[21] 11.63% [5],[12],[21]        
Principal Amount, Par Value $ 26,762 [3],[8],[13]     $ 26,762 [5],[14],[21]            
Cost 26,663 [3],[8]     26,653 [5],[21]            
Investments at fair value $ 14,192 [3],[8]     $ 20,101 [5],[21]            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [3],[4],[9] 6.75% [3],[4],[9] 6.75% [3],[4],[9] 6.75% [5],[6],[10] 6.75% [5],[6],[10] 6.75% [5],[6],[10]        
Interest Rate 12.27% [3],[4],[9],[11] 12.27% [3],[4],[9],[11] 12.27% [3],[4],[9],[11] 10.99% [5],[6],[10],[12] 10.99% [5],[6],[10],[12] 10.99% [5],[6],[10],[12]        
Principal Amount, Par Value $ 869 [3],[4],[9],[13]     $ 876 [5],[6],[10],[14]            
Cost 867 [3],[4],[9]     873 [5],[6],[10]            
Investments at fair value $ 801 [3],[4],[9]     $ 861 [5],[6],[10]            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [3],[4],[9] 6.75% [3],[4],[9] 6.75% [3],[4],[9] 6.75% [5],[6],[10] 6.75% [5],[6],[10] 6.75% [5],[6],[10]        
Interest Rate 12.27% [3],[4],[9],[11] 12.27% [3],[4],[9],[11] 12.27% [3],[4],[9],[11] 10.99% [5],[6],[10],[12] 10.99% [5],[6],[10],[12] 10.99% [5],[6],[10],[12]        
Principal Amount, Par Value $ 59 [3],[4],[9],[13]     $ 147 [5],[6],[10],[14]            
Cost 58 [3],[4],[9]     146 [5],[6],[10]            
Investments at fair value 54 [3],[4],[9]     145 [5],[6],[10]            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 587 [3],[4],[9],[13]     587 [5],[6],[10],[14]            
Cost (7) [3],[4],[9]     (7) [5],[6],[10]            
Investments at fair value (46) [3],[4],[9]     (10) [5],[6],[10]            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 822 [3],[4],[9],[13]     734 [5],[6],[10],[14]            
Cost (6) [3],[4],[9]     (6) [5],[6],[10]            
Investments at fair value $ (64) [3],[4],[9]     $ (12) [5],[6],[10]            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [3],[17] 6.75% [3],[17] 6.75% [3],[17] 6.75% [5],[18] 6.75% [5],[18] 6.75% [5],[18]        
Interest Rate 12.27% [3],[11],[17] 12.27% [3],[11],[17] 12.27% [3],[11],[17] 10.99% [5],[12],[18] 10.99% [5],[12],[18] 10.99% [5],[12],[18]        
Principal Amount, Par Value $ 9,975 [3],[13],[17]     $ 10,051 [5],[14],[18]            
Cost 9,919 [3],[17]     9,987 [5],[18]            
Investments at fair value $ 9,192 [3],[17]     $ 9,882 [5],[18]            
Investment, Identifier [Axis]: Notorious Topco, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [3],[17] 6.75% [3],[17] 6.75% [3],[17] 6.75% [5],[18] 6.75% [5],[18] 6.75% [5],[18]        
Interest Rate 12.27% [3],[11],[17] 12.27% [3],[11],[17] 12.27% [3],[11],[17] 10.99% [5],[12],[18] 10.99% [5],[12],[18] 10.99% [5],[12],[18]        
Principal Amount, Par Value $ 9,850 [3],[13],[17]     $ 9,925 [5],[14],[18]            
Cost 9,791 [3],[17]     9,857 [5],[18]            
Investments at fair value 9,077 [3],[17]     9,758 [5],[18]            
Investment, Identifier [Axis]: OA Buyer, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 3,600 [3],[4],[9],[13]     3,600 [5],[6],[10],[14]            
Cost (36) [3],[4],[9],[55]     (36) [5],[6],[10],[56]            
Investments at fair value $ 0 [3],[4],[9],[55]     $ (29) [5],[6],[10],[56]            
Investment, Identifier [Axis]: OA Buyer, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8] 5.50% [3],[8] 5.50% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 10.82% [3],[8],[11] 10.82% [3],[8],[11] 10.82% [3],[8],[11] 10.13% [5],[12],[21] 10.13% [5],[12],[21] 10.13% [5],[12],[21]        
Principal Amount, Par Value $ 27,778 [3],[8],[13]     $ 27,989 [5],[14],[21]            
Cost 27,555 [3],[8]     27,742 [5],[21]            
Investments at fair value $ 27,778 [3],[8]     $ 27,763 [5],[21]            
Investment, Identifier [Axis]: OA Buyer, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8] 5.50% [3],[8] 5.50% [3],[8] 5.75% [5],[21] 5.75% [5],[21] 5.75% [5],[21]        
Interest Rate 10.82% [3],[8],[11] 10.82% [3],[8],[11] 10.82% [3],[8],[11] 10.13% [5],[12],[21] 10.13% [5],[12],[21] 10.13% [5],[12],[21]        
Principal Amount, Par Value $ 1,758 [3],[8],[13]     $ 1,772 [5],[14],[21]            
Cost 1,744 [3],[8]     1,755 [5],[21]            
Investments at fair value 1,758 [3],[8]     1,757 [5],[21]            
Investment, Identifier [Axis]: OA Topco, L.P., Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 2,000 [3],[4],[55]     2,000 [5],[6],[56]            
Investments at fair value $ 2,879 [3],[4],[55]     2,000 [5],[6],[56]            
Investment, Identifier [Axis]: OEC Holdco, LLC, Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [3],[19],[57] 11.00% 11.00% 11.00%              
Interest Rate [3],[11],[19],[57] 11.00% 11.00% 11.00%              
Cost $ 8,429 [3],[57],[58]     7,565 [5],[59],[60]            
Investments at fair value $ 7,936 [3],[57],[58]     $ 7,214 [5],[59],[60]            
Investment, Identifier [Axis]: OEConnection LLC, Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.00% [3],[8] 7.00% [3],[8] 7.00% [3],[8] 7.00% [5],[21] 7.00% [5],[21] 7.00% [5],[21]        
Interest Rate 12.42% [3],[8],[11] 12.42% [3],[8],[11] 12.42% [3],[8],[11] 11.42% [5],[12],[21] 11.42% [5],[12],[21] 11.42% [5],[12],[21]        
Principal Amount, Par Value $ 23,406 [3],[8],[13]     $ 23,406 [5],[14],[21]            
Cost 23,231 [3],[8]     23,206 [5],[21]            
Investments at fair value $ 23,406 [3],[8]     $ 22,687 [5],[21]            
Investment, Identifier [Axis]: OEConnection LLC, Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.00% [3],[8] 7.00% [3],[8] 7.00% [3],[8] 7.00% [5],[21] 7.00% [5],[21] 7.00% [5],[21]        
Interest Rate 12.42% [3],[8],[11] 12.42% [3],[8],[11] 12.42% [3],[8],[11] 11.42% [5],[12],[21] 11.42% [5],[12],[21] 11.42% [5],[12],[21]        
Principal Amount, Par Value $ 12,044 [3],[8],[13]     $ 12,044 [5],[14],[21]            
Cost 11,973 [3],[8]     11,963 [5],[21]            
Investments at fair value 12,044 [3],[8]     $ 11,674 [5],[21]            
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 1,860                  
Cost [3],[4],[9] (23)                  
Investments at fair value [3],[4],[9] $ 0                  
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[17] 7.75% 7.75% 7.75%              
Interest Rate [3],[11],[17] 13.12% 13.12% 13.12%              
Principal Amount, Par Value [3],[13],[17] $ 7,440                  
Cost [3],[17] 7,354                  
Investments at fair value [3],[17] $ 7,440                  
Investment, Identifier [Axis]: Oranje Holdco, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[8] 7.75% 7.75% 7.75%              
Interest Rate [3],[8],[11] 13.12% 13.12% 13.12%              
Principal Amount, Par Value [3],[8],[13] $ 7,440                  
Cost [3],[8] 7,354                  
Investments at fair value [3],[8] $ 7,440                  
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[15] 5.75% [3],[15] 5.75% [3],[15] 5.75% [5],[16] 5.75% [5],[16] 5.75% [5],[16]        
Interest Rate 11.17% [3],[11],[15] 11.17% [3],[11],[15] 11.17% [3],[11],[15] 9.12% [5],[12],[16] 9.12% [5],[12],[16] 9.12% [5],[12],[16]        
Principal Amount, Par Value $ 7,514 [3],[13],[15]     $ 6,629 [5],[14],[16]            
Cost 7,447 [3],[15]     6,565 [5],[16]            
Investments at fair value 7,514 [3],[15]     $ 6,500 [5],[16]            
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       5.75% 5.75% 5.75%        
Interest Rate [5],[6],[10],[12]       10.03% 10.03% 10.03%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 131            
Cost [5],[6],[10]       134            
Investments at fair value [5],[6],[10]       129            
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 486                  
Cost [3],[4],[9] (5)                  
Investments at fair value [3],[4],[9] $ 0                  
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[6],[10],[14]       355            
Cost [5],[6],[10]       (7)            
Investments at fair value [5],[6],[10]       (7)            
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[10],[14],[16]       885            
Cost [5],[10],[16]       0            
Investments at fair value [5],[10],[16]       $ (17)            
Investment, Identifier [Axis]: PPVA Black Elk (Equity) LLC, Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 0.00% [3],[4] 0.00% [3],[4] 0.00% [3],[4] 0.00% [5],[6] 0.00% [5],[6] 0.00% [5],[6]        
Interest Rate 0.00% [3],[4],[11] 0.00% [3],[4],[11] 0.00% [3],[4],[11] 0.00% [5],[6],[12] 0.00% [5],[6],[12] 0.00% [5],[6],[12]        
Principal Amount, Par Value $ 14,500 [3],[4],[13]     $ 14,500 [5],[6],[14]           $ 20,000
Cost 14,500 [3],[4]     14,500 [5],[6]            
Investments at fair value $ 7,975 [3],[4]     $ 7,995 [5],[6]            
Investment, Identifier [Axis]: PPVA Fund, L.P., Collateralized Financing                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 0.00% [25],[61] 0.00% [25],[61] 0.00% [25],[61] 0.00% [26],[62] 0.00% [26],[62] 0.00% [26],[62]        
Interest Rate 0.00% [11],[25],[61] 0.00% [11],[25],[61] 0.00% [11],[25],[61] 0.00% [12],[26],[62] 0.00% [12],[26],[62] 0.00% [12],[26],[62]        
Principal Amount, Par Value $ 0 [13],[25],[61]     $ 0 [14],[26],[62]            
Cost 0 [25],[61]     0 [26],[62]            
Investments at fair value $ 0 [25],[61]     $ 0 [26],[62]            
Investment, Identifier [Axis]: Permian Trust, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 10.00% [3],[19],[25],[63] 10.00% [3],[19],[25],[63] 10.00% [3],[19],[25],[63] 10.00% [5],[20],[26],[64] 10.00% [5],[20],[26],[64] 10.00% [5],[20],[26],[64]        
Interest Rate 10.00% [3],[11],[19],[63] 10.00% [3],[11],[19],[63] 10.00% [3],[11],[19],[63] 10.00% [5],[12],[20],[26],[64] 10.00% [5],[12],[20],[26],[64] 10.00% [5],[12],[20],[26],[64]        
Principal Amount, Par Value $ 247 [3],[13],[63]     $ 247 [5],[14],[64]            
Cost 0 [3],[63]     0 [5],[64]            
Investments at fair value $ 0 [3],[63]     $ 0 [5],[64]            
Investment, Identifier [Axis]: Permian Trust, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[20],[26]       10.00% 10.00% 10.00%        
PIK [3],[4],[19],[25] 10.00% 10.00% 10.00%              
Interest Rate 11.00% [3],[4],[11],[19] 11.00% [3],[4],[11],[19] 11.00% [3],[4],[11],[19] 11.00% [5],[6],[12],[20],[26] 11.00% [5],[6],[12],[20],[26] 11.00% [5],[6],[12],[20],[26]        
Principal Amount, Par Value $ 3,409 [3],[4],[13]     $ 3,409 [5],[6],[14]            
Cost 0 [3],[4]     0 [5],[6]            
Investments at fair value $ 0 [3],[4]     $ 0 [5],[6]            
Investment, Identifier [Axis]: PhyNet Dermatology LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [3],[8] 6.25% [3],[8] 6.25% [3],[8] 6.25% [5],[21] 6.25% [5],[21] 6.25% [5],[21]        
Interest Rate 11.65% [3],[8],[11] 11.65% [3],[8],[11] 11.65% [3],[8],[11] 10.80% [5],[12],[21] 10.80% [5],[12],[21] 10.80% [5],[12],[21]        
Principal Amount, Par Value $ 48,941 [3],[8],[13]     $ 49,270 [5],[14],[21]            
Cost 48,855 [3],[8]     49,116 [5],[21]            
Investments at fair value $ 48,941 [3],[8]     $ 49,270 [5],[21]            
Investment, Identifier [Axis]: PhyNet Dermatology LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% [3],[8] 6.25% [3],[8] 6.25% [3],[8] 6.25% [5],[21] 6.25% [5],[21] 6.25% [5],[21]        
Interest Rate 11.68% [3],[8],[11] 11.68% [3],[8],[11] 11.68% [3],[8],[11] 10.80% [5],[12],[21] 10.80% [5],[12],[21] 10.80% [5],[12],[21]        
Principal Amount, Par Value $ 18,514 [3],[8],[13]     $ 18,726 [5],[14],[21]            
Cost 18,521 [3],[8]     18,663 [5],[21]            
Investments at fair value 18,514 [3],[8]     18,726 [5],[21]            
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,446 [3],[4],[9],[13]     2,446 [5],[6],[10],[14]            
Cost (24) [3],[4],[9],[65]     (24) [5],[6],[10],[66]            
Investments at fair value $ (48) [3],[4],[9],[65]     $ (32) [5],[6],[10],[66]            
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[18],[20]       7.00% 7.00% 7.00%        
PIK [3],[17],[19] 7.00% 7.00% 7.00%              
Interest Rate 12.39% [3],[11],[17],[19] 12.39% [3],[11],[17],[19] 12.39% [3],[11],[17],[19] 11.73% [5],[12],[18],[20] 11.73% [5],[12],[18],[20] 11.73% [5],[12],[18],[20]        
Principal Amount, Par Value $ 16,292 [3],[13],[17]     $ 14,900 [5],[14],[18]            
Cost 16,185 [3],[17]     14,782 [5],[18]            
Investments at fair value $ 16,292 [3],[17]     $ 14,706 [5],[18]            
Investment, Identifier [Axis]: Pioneer Buyer I, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[18],[20]       7.00% 7.00% 7.00%        
PIK [3],[17],[19] 7.00% 7.00% 7.00%              
Interest Rate 12.39% [3],[11],[17],[19] 12.39% [3],[11],[17],[19] 12.39% [3],[11],[17],[19] 11.73% [5],[12],[18],[20] 11.73% [5],[12],[18],[20] 11.73% [5],[12],[18],[20]        
Principal Amount, Par Value $ 2,233 [3],[13],[17]     $ 2,042 [5],[14],[18]            
Cost 2,216 [3],[17]     2,025 [5],[18]            
Investments at fair value 2,233 [3],[17]     2,016 [5],[18]            
Investment, Identifier [Axis]: Pioneer Topco I, L.P., Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 2,000 [3],[65],[67]     1,999 [5],[66],[68]            
Investments at fair value $ 1,813 [3],[65],[67]     1,631 [5],[66],[68]            
Investment, Identifier [Axis]: Project Essential Super Parent, Inc., Preferred shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [3],[4],[19] 9.50% 9.50% 9.50%              
Interest Rate [3],[4],[11],[19] 15.16% 15.16% 15.16%              
Cost $ 13,251 [3],[4]     11,885 [5],[6],[69]            
Investments at fair value $ 12,504 [3],[4]     $ 11,569 [5],[6],[69]            
Investment, Identifier [Axis]: Project Power Buyer, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[8] 7.00% 7.00% 7.00%              
Interest Rate [3],[8],[11] 12.39% 12.39% 12.39%              
Principal Amount, Par Value [3],[8],[13] $ 3,562                  
Cost [3],[8] 3,519                  
Investments at fair value [3],[8] 3,562                  
Investment, Identifier [Axis]: Project Power Buyer, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 184                  
Cost [3],[4],[9] (3)                  
Investments at fair value [3],[4],[9] $ 0                  
Investment, Identifier [Axis]: Pye-Barker Fire & Safety, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% [3],[8] 5.50% [3],[8] 5.50% [3],[8] 5.50% [5],[21] 5.50% [5],[21] 5.50% [5],[21]        
Interest Rate 11.04% [3],[8],[11] 11.04% [3],[8],[11] 11.04% [3],[8],[11] 10.23% [5],[12],[21] 10.23% [5],[12],[21] 10.23% [5],[12],[21]        
Principal Amount, Par Value $ 5,122 [3],[8],[13]     $ 5,161 [5],[14],[21]            
Cost 5,082 [3],[8]     5,115 [5],[21]            
Investments at fair value 5,096 [3],[8]     $ 5,014 [5],[21]            
Investment, Identifier [Axis]: Pye-Barker Fire & Safety, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       5.50% 5.50% 5.50%        
Interest Rate [5],[6],[10],[12]       10.23% 10.23% 10.23%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 422            
Cost [5],[6],[10]       418            
Investments at fair value [5],[6],[10]       410            
Investment, Identifier [Axis]: Pye-Barker Fire & Safety, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 1,161 [3],[4],[9],[13]     483 [5],[6],[10],[14]            
Cost (16) [3],[4],[9]     (5) [5],[6],[10]            
Investments at fair value $ (6) [3],[4],[9]     $ (14) [5],[6],[10]            
Investment, Identifier [Axis]: Quartz Holding Company, Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.00% [3],[4] 8.00% [3],[4] 8.00% [3],[4] 8.00% [5],[6] 8.00% [5],[6] 8.00% [5],[6]        
Interest Rate 13.42% [3],[4],[11] 13.42% [3],[4],[11] 13.42% [3],[4],[11] 12.38% [5],[6],[12] 12.38% [5],[6],[12] 12.38% [5],[6],[12]        
Principal Amount, Par Value $ 10,000 [3],[4],[13]     $ 10,000 [5],[6],[14]            
Cost 9,894 [3],[4]     9,877 [5],[6]            
Investments at fair value 10,000 [3],[4]     9,802 [5],[6]            
Investment, Identifier [Axis]: Recorded Future, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,981 [3],[4],[9],[13]     2,981 [5],[6],[10],[14]            
Cost (20) [3],[4],[9]     (20) [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     $ (25) [5],[6],[10]            
Investment, Identifier [Axis]: Recorded Future, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [3],[17] 5.25% [3],[17] 5.25% [3],[17] 5.25% [5],[18] 5.25% [5],[18] 5.25% [5],[18]        
Interest Rate 10.69% [3],[11],[17] 10.69% [3],[11],[17] 10.69% [3],[11],[17] 9.98% [5],[12],[18] 9.98% [5],[12],[18] 9.98% [5],[12],[18]        
Principal Amount, Par Value $ 24,282 [3],[13],[17]     $ 24,469 [5],[14],[18]            
Cost 24,197 [3],[17]     24,351 [5],[18]            
Investments at fair value $ 24,282 [3],[17]     $ 24,263 [5],[18]            
Investment, Identifier [Axis]: Recorded Future, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [3],[8] 5.25% [3],[8] 5.25% [3],[8] 5.25% [5],[21] 5.25% [5],[21] 5.25% [5],[21]        
Interest Rate 10.69% [3],[8],[11] 10.69% [3],[8],[11] 10.69% [3],[8],[11] 9.98% [5],[12],[21] 9.98% [5],[12],[21] 9.98% [5],[12],[21]        
Principal Amount, Par Value $ 12,556 [3],[8],[13]     $ 12,652 [5],[14],[21]            
Cost 12,510 [3],[8]     12,589 [5],[21]            
Investments at fair value $ 12,556 [3],[8]     $ 12,546 [5],[21]            
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [3],[8] 5.25% [3],[8] 5.25% [3],[8] 5.25% [5],[21] 5.25% [5],[21] 5.25% [5],[21]        
Interest Rate 10.95% [3],[8],[11] 10.95% [3],[8],[11] 10.95% [3],[8],[11] 10.41% [5],[12],[21] 10.41% [5],[12],[21] 10.41% [5],[12],[21]        
Principal Amount, Par Value $ 6,922 [3],[8],[13]     $ 6,975 [5],[14],[21]            
Cost 6,897 [3],[8]     6,946 [5],[21]            
Investments at fair value $ 6,922 [3],[8]     6,861 [5],[21]            
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4],[9] 4.25% 4.25% 4.25%              
Interest Rate [3],[4],[9],[11] 12.75% 12.75% 12.75%              
Principal Amount, Par Value [3],[4],[9],[13] $ 256                  
Cost [3],[4],[9] 255                  
Investments at fair value [3],[4],[9] 256                  
Investment, Identifier [Axis]: Safety Borrower Holdings LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 256 [3],[4],[9],[13]     512 [5],[6],[10],[14]            
Cost (1) [3],[4],[9]     (3) [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     (8) [5],[6],[10]            
Investment, Identifier [Axis]: Sierra Enterprises, LLC, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4],[19] 4.25% 4.25% 4.25%              
PIK [3],[4],[19] 2.50% 2.50% 2.50%              
Interest Rate [3],[4],[11],[19] 12.12% 12.12% 12.12%              
Principal Amount, Par Value [3],[4],[13] $ 7,272                  
Cost [3],[4] 5,542                  
Investments at fair value [3],[4] 6,740                  
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation, Ordinary shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 11,500 [3],[8]     11,501 [5],[21]            
Investments at fair value 1,799 [3],[8]     3,599 [5],[21]            
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation, Ordinary shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 1,282 [3],[4]     1,282 [5],[6]            
Investments at fair value 201 [3],[4]     $ 401 [5],[6]            
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation, Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [5],[6],[20],[26]       15.00% 15.00% 15.00%        
Interest Rate [5],[6],[12],[20],[26]       15.00% 15.00% 15.00%        
Principal Amount, Par Value [5],[6],[14]       $ 5            
Cost [5],[6]       5            
Investments at fair value [5],[6]       $ 0            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[21]       5.75% 5.75% 5.75%        
Interest Rate [5],[12],[21]       9.49% 9.49% 9.49%        
Principal Amount, Par Value [5],[14],[21]       $ 10,458            
Cost [5],[21]       10,341            
Investments at fair value [5],[21]       $ 10,019            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       4.00% 4.00% 4.00%        
Interest Rate [5],[6],[10],[12]       8.29% 8.29% 8.29%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 212            
Cost [5],[6],[10]       209            
Investments at fair value [5],[6],[10]       $ 204            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Drawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       5.75% 5.75% 5.75%        
Interest Rate [5],[6],[10],[12]       9.76% 9.76% 9.76%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 79            
Cost [5],[6],[10]       75            
Investments at fair value [5],[6],[10]       75            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 559                  
Cost [3],[4],[9] (8)                  
Investments at fair value [3],[4],[9] $ (19)                  
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[6],[10],[14]       347            
Cost [5],[6],[10]       (5)            
Investments at fair value [5],[6],[10]       (15)            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[6],[10],[14]       868            
Cost [5],[6],[10]       0            
Investments at fair value [5],[6],[10]       $ (36)            
Investment, Identifier [Axis]: Specialtycare, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[8] 5.75% 5.75% 5.75%              
Interest Rate [3],[8],[11] 11.28% 11.28% 11.28%              
Principal Amount, Par Value [3],[8],[13] $ 10,379                  
Cost [3],[8] 10,275                  
Investments at fair value [3],[8] $ 10,032                  
Investment, Identifier [Axis]: Specialtycare, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[4] 5.75% 5.75% 5.75%              
Interest Rate [3],[4],[11] 11.32% 11.32% 11.32%              
Principal Amount, Par Value [3],[4],[13] $ 78                  
Cost [3],[4] 76                  
Investments at fair value [3],[4] $ 75                  
Investment, Identifier [Axis]: Spring Education Group, Inc (fka SSH Group Holdings, Inc.), Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.25% [8] 8.25% [8] 8.25% [8] 8.25% [5],[21] 8.25% [5],[21] 8.25% [5],[21]        
Interest Rate 13.68% [8],[11] 13.68% [8],[11] 13.68% [8],[11] 12.98% [5],[12],[21] 12.98% [5],[12],[21] 12.98% [5],[12],[21]        
Principal Amount, Par Value $ 21,959 [8],[13]     $ 21,959 [5],[14],[21]            
Cost 21,933 [8]     21,928 [5],[21]            
Investments at fair value 21,962 [8]     $ 21,324 [5],[21]            
Investment, Identifier [Axis]: Sun Acquirer Corp., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[21]       5.75% 5.75% 5.75%        
Interest Rate [5],[12],[21]       10.13% 10.13% 10.13%        
Principal Amount, Par Value [5],[14],[21]       $ 3,985            
Cost [5],[21]       3,956            
Investments at fair value [5],[21]       $ 3,917            
Investment, Identifier [Axis]: Sun Acquirer Corp., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[10],[21]       5.75% 5.75% 5.75%        
Interest Rate [5],[10],[12],[21]       10.13% 10.13% 10.13%        
Principal Amount, Par Value [5],[10],[14],[21]       $ 2,791            
Cost [5],[10],[21]       2,757            
Investments at fair value [5],[10],[21]       2,744            
Investment, Identifier [Axis]: Sun Acquirer Corp., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 559                  
Cost [3],[4],[9] (5)                  
Investments at fair value [3],[4],[9] $ (12)                  
Investment, Identifier [Axis]: Sun Acquirer Corp., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[6],[10],[14]       559            
Cost [5],[6],[10]       (5)            
Investments at fair value [5],[6],[10]       (9)            
Investment, Identifier [Axis]: Sun Acquirer Corp., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[10],[14],[21]       152            
Cost [5],[10],[21]       (1)            
Investments at fair value [5],[10],[21]       (3)            
Investment, Identifier [Axis]: Sun Acquirer Corp., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[8] 5.75% 5.75% 5.75%              
Interest Rate [3],[8],[11] 11.18% 11.18% 11.18%              
Principal Amount, Par Value [3],[8],[13] $ 3,955                  
Cost [3],[8] 3,928                  
Investments at fair value [3],[8] $ 3,868                  
Investment, Identifier [Axis]: Sun Acquirer Corp., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [3],[8] 5.75% 5.75% 5.75%              
Interest Rate [3],[8],[11] 11.18% 11.18% 11.18%              
Principal Amount, Par Value [3],[8],[13] $ 2,795                  
Cost [3],[8] 2,763                  
Investments at fair value [3],[8] $ 2,732                  
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc., Preferred shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [3],[15],[19] 10.50% 10.50% 10.50%              
Interest Rate [3],[11],[15],[19] 16.09% 16.09% 16.09%              
Cost $ 13,456 [3],[15]     11,986 [5],[16]            
Investments at fair value $ 12,802 [3],[15]     11,396 [5],[16]            
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc., Preferred shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [3],[4],[19] 10.50% 10.50% 10.50%              
Interest Rate [3],[4],[11],[19] 16.09% 16.09% 16.09%              
Cost $ 4,639 [3],[4]     4,132 [5],[6]            
Investments at fair value $ 4,413 [3],[4]     $ 3,929 [5],[6]            
Investment, Identifier [Axis]: Syndigo LLC, Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.00% [3],[15] 8.00% [3],[15] 8.00% [3],[15] 8.00% [5],[16] 8.00% [5],[16] 8.00% [5],[16]        
Interest Rate 13.67% [3],[11],[15] 13.67% [3],[11],[15] 13.67% [3],[11],[15] 13.21% [5],[12],[16] 13.21% [5],[12],[16] 13.21% [5],[12],[16]        
Principal Amount, Par Value $ 22,500 [3],[13],[15]     $ 22,500 [5],[14],[16]            
Cost 22,375 [3],[15]     22,363 [5],[16]            
Investments at fair value $ 21,652 [3],[15]     $ 21,067 [5],[16]            
Investment, Identifier [Axis]: Syndigo LLC, Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.00% [3],[8] 8.00% [3],[8] 8.00% [3],[8] 8.00% [5],[21] 8.00% [5],[21] 8.00% [5],[21]        
Interest Rate 13.67% [3],[8],[11] 13.67% [3],[8],[11] 13.67% [3],[8],[11] 13.21% [5],[12],[21] 13.21% [5],[12],[21] 13.21% [5],[12],[21]        
Principal Amount, Par Value $ 5,697 [3],[8],[13]     $ 5,697 [5],[14],[21]            
Cost 5,709 [3],[8]     5,710 [5],[21]            
Investments at fair value $ 5,482 [3],[8]     $ 5,334 [5],[21]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% [3],[8] 3.50% [3],[8] 3.50% [3],[8] 3.50% [5],[21] 3.50% [5],[21] 3.50% [5],[21]        
Interest Rate 9.17% [3],[8],[11] 9.17% [3],[8],[11] 9.17% [3],[8],[11] 8.26% [5],[12],[21] 8.26% [5],[12],[21] 8.26% [5],[12],[21]        
Principal Amount, Par Value $ 16,269 [3],[8],[13]     $ 16,395 [5],[14],[21]            
Cost 15,752 [3],[8]     15,474 [5],[21]            
Investments at fair value $ 11,777 [3],[8]     $ 10,657 [5],[21]            
Investment, Identifier [Axis]: TMK Hawk Parent, Corp., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% [3],[17] 3.50% [3],[17] 3.50% [3],[17] 3.50% [5],[18] 3.50% [5],[18] 3.50% [5],[18]        
Interest Rate 9.17% [3],[11],[17] 9.17% [3],[11],[17] 9.17% [3],[11],[17] 8.26% [5],[12],[18] 8.26% [5],[12],[18] 8.26% [5],[12],[18]        
Principal Amount, Par Value $ 15,691 [3],[13],[17]     $ 15,813 [5],[14],[18]            
Cost 15,058 [3],[17]     14,687 [5],[18]            
Investments at fair value $ 11,359 [3],[17]     $ 10,277 [5],[18]            
Investment, Identifier [Axis]: TRC Companies L.L.C. (fka Energize Holdco LLC), Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.75% [3],[8] 6.75% [3],[8] 6.75% [3],[8] 6.75% [5],[21] 6.75% [5],[21] 6.75% [5],[21]        
Interest Rate 12.18% [3],[8],[11] 12.18% [3],[8],[11] 12.18% [3],[8],[11] 11.13% [5],[12],[21] 11.13% [5],[12],[21] 11.13% [5],[12],[21]        
Principal Amount, Par Value $ 7,950 [3],[8],[13]     $ 7,950 [5],[14],[21]            
Cost 7,917 [3],[8]     7,914 [5],[21]            
Investments at fair value $ 7,672 [3],[8]     7,488 [5],[21]            
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC, Ordinary shares                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [3],[4],[19] 12.00% 12.00% 12.00%              
Interest Rate [3],[4],[11],[19] 12.00% 12.00% 12.00%              
Cost $ 60,237 [3],[4],[38]     56,821 [5],[6]            
Investments at fair value 100,918 [3],[4],[38]     110,314 [5],[6]            
Investment, Identifier [Axis]: Tahoe Finco, LLC, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 4,439 [3],[4],[9],[13]     4,439 [5],[6],[10],[14]            
Cost (44) [3],[4],[9]     (44) [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9],[30]     $ (71) [5],[6],[10],[31]            
Investment, Identifier [Axis]: Tahoe Finco, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [3],[8] 6.00% [3],[8] 6.00% [3],[8] 6.00% [5],[21] 6.00% [5],[21] 6.00% [5],[21]        
Interest Rate 11.42% [3],[8],[11] 11.42% [3],[8],[11] 11.42% [3],[8],[11] 10.29% [5],[12],[21] 10.29% [5],[12],[21] 10.29% [5],[12],[21]        
Principal Amount, Par Value $ 35,000 [3],[8],[13]     $ 35,000 [5],[14],[21]            
Cost 34,730 [3],[8]     34,700 [5],[21]            
Investments at fair value $ 35,000 [3],[8]     $ 34,436 [5],[21]            
Investment, Identifier [Axis]: Tahoe Finco, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.00% [3],[17] 6.00% [3],[17] 6.00% [3],[17] 6.00% [5],[18] 6.00% [5],[18] 6.00% [5],[18]        
Interest Rate 11.42% [3],[11],[17] 11.42% [3],[11],[17] 11.42% [3],[11],[17] 10.29% [5],[12],[18] 10.29% [5],[12],[18] 10.29% [5],[12],[18]        
Principal Amount, Par Value $ 24,189 [3],[13],[17]     $ 24,189 [5],[14],[18]            
Cost 24,002 [3],[17]     23,982 [5],[18]            
Investments at fair value $ 24,189 [3],[17]     23,800 [5],[18]            
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien - Drawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value       $ 13,941            
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [3],[4],[19],[70] 5.00% [3],[4],[19],[70] 5.00% [3],[4],[19],[70] 7.00% [5],[6],[71] 7.00% [5],[6],[71] 7.00% [5],[6],[71]        
PIK [3],[4],[19],[70] 2.50% 2.50% 2.50%              
Interest Rate 12.96% [3],[4],[11],[19],[70] 12.96% [3],[4],[11],[19],[70] 12.96% [3],[4],[11],[19],[70] 10.95% [5],[6],[12],[71] 10.95% [5],[6],[12],[71] 10.95% [5],[6],[12],[71]        
Principal Amount, Par Value $ 15,906 £ 13,039 [3],[4],[13],[70]   $ 15,562 £ 12,879 [5],[6],[14],[71]          
Cost 17,858 [3],[4],[70]     17,634 [5],[6],[71]            
Investments at fair value $ 15,906 [3],[4],[70]     $ 15,562 [5],[6],[71]            
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [3],[4],[19],[70] 5.00% [3],[4],[19],[70] 5.00% [3],[4],[19],[70] 7.00% [5],[6],[71] 7.00% [5],[6],[71] 7.00% [5],[6],[71]        
PIK [3],[4],[19],[70] 2.50% 2.50% 2.50%              
Interest Rate 12.96% [3],[4],[11],[19],[70] 12.96% [3],[4],[11],[19],[70] 12.96% [3],[4],[11],[19],[70] 10.95% [5],[6],[12],[71] 10.95% [5],[6],[12],[71] 10.95% [5],[6],[12],[71]        
Principal Amount, Par Value | £   £ 10,669 [3],[4],[13],[70]     £ 10,538 [5],[6],[14],[71]          
Cost $ 13,319 [3],[4],[70]     $ 13,133 [5],[6],[71]            
Investments at fair value 13,017 [3],[4],[70]     $ 12,734 [5],[6],[71]            
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 2 and Tennessee Bidco Limited, First lien 5                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value $ 13,774                  
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [3],[4],[19] 5.00% [3],[4],[19] 5.00% [3],[4],[19] 7.00% [5],[6] 7.00% [5],[6] 7.00% [5],[6]        
PIK [3],[4],[19] 2.50% 2.50% 2.50%              
Interest Rate 13.03% [3],[4],[11],[19] 13.03% [3],[4],[11],[19] 13.03% [3],[4],[11],[19] 10.38% [5],[6],[12] 10.38% [5],[6],[12] 10.38% [5],[6],[12]        
Principal Amount, Par Value $ 10,312 [3],[4],[13]     $ 10,184 [5],[6],[14]            
Cost 10,195 [3],[4]     10,055 [5],[6]            
Investments at fair value $ 10,312 [3],[4]     $ 10,184 [5],[6]            
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [3],[4],[19] 5.00% [3],[4],[19] 5.00% [3],[4],[19] 7.00% [5],[6] 7.00% [5],[6] 7.00% [5],[6]        
PIK [3],[4],[19] 2.50% 2.50% 2.50%              
Interest Rate 13.04% [3],[4],[11],[19] 13.04% [3],[4],[11],[19] 13.04% [3],[4],[11],[19] 11.78% [5],[6],[12] 11.78% [5],[6],[12] 11.78% [5],[6],[12]        
Principal Amount, Par Value $ 6,326 [3],[4],[13]     $ 6,246 [5],[6],[14]            
Cost 6,250 [3],[4]     6,162 [5],[6]            
Investments at fair value $ 6,326 [3],[4]     $ 6,246 [5],[6]            
Investment, Identifier [Axis]: Tennessee Bidco Limited, First lien 5                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [3],[4],[19],[70] 5.00% [3],[4],[19],[70] 5.00% [3],[4],[19],[70] 7.00% [5],[6],[71] 7.00% [5],[6],[71] 7.00% [5],[6],[71]        
PIK [3],[4],[19],[70] 2.50% 2.50% 2.50%              
Interest Rate 11.47% [3],[4],[11],[19],[70] 11.47% [3],[4],[11],[19],[70] 11.47% [3],[4],[11],[19],[70] 7.63% [5],[6],[12],[71] 7.63% [5],[6],[12],[71] 7.63% [5],[6],[12],[71]        
Principal Amount, Par Value | €     € 716 [3],[4],[13],[70]     € 708 [5],[6],[14],[71]        
Cost $ 725 [3],[4],[70]     $ 714 [5],[6],[71]            
Investments at fair value $ 757 [3],[4],[70]     $ 757 [5],[6],[71]            
Investment, Identifier [Axis]: The Kleinfelder Group, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[16]       5.25% 5.25% 5.25%        
Interest Rate [5],[12],[16]       9.98% 9.98% 9.98%        
Principal Amount, Par Value [5],[14],[16]       $ 16,533            
Cost [5],[16]       16,503            
Investments at fair value [5],[16]       $ 16,241            
Investment, Identifier [Axis]: TigerConnect, Inc., First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.38% [3],[17],[19] 3.38% [3],[17],[19] 3.38% [3],[17],[19] 3.63% [5],[18],[20] 3.63% [5],[18],[20] 3.63% [5],[18],[20]        
PIK 3.38% [3],[17],[19] 3.38% [3],[17],[19] 3.38% [3],[17],[19] 3.63% [5],[18],[20] 3.63% [5],[18],[20] 3.63% [5],[18],[20]        
Interest Rate 12.27% [3],[11],[17],[19] 12.27% [3],[11],[17],[19] 12.27% [3],[11],[17],[19] 11.49% [5],[12],[18],[20] 11.49% [5],[12],[18],[20] 11.49% [5],[12],[18],[20]        
Principal Amount, Par Value $ 29,868 [3],[13],[17]     $ 29,868 [5],[14],[18]            
Cost 29,634 [3],[17]     29,604 [5],[18]            
Investments at fair value $ 29,408 [3],[17]     $ 29,151 [5],[18]            
Investment, Identifier [Axis]: TigerConnect, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.38% [3],[8],[9],[19] 3.38% [3],[8],[9],[19] 3.38% [3],[8],[9],[19] 3.63% [5],[10],[20],[21] 3.63% [5],[10],[20],[21] 3.63% [5],[10],[20],[21]        
PIK 3.38% [3],[8],[9],[19] 3.38% [3],[8],[9],[19] 3.38% [3],[8],[9],[19] 3.63% [5],[10],[20],[21] 3.63% [5],[10],[20],[21] 3.63% [5],[10],[20],[21]        
Interest Rate 12.27% [3],[8],[9],[11],[19] 12.27% [3],[8],[9],[11],[19] 12.27% [3],[8],[9],[11],[19] 11.49% [5],[10],[12],[20],[21] 11.49% [5],[10],[12],[20],[21] 11.49% [5],[10],[12],[20],[21]        
Principal Amount, Par Value $ 1,087 [3],[8],[9],[13]     $ 277 [5],[10],[14],[21]            
Cost 1,087 [3],[8],[9]     277 [5],[10],[21]            
Investments at fair value 1,071 [3],[8],[9]     270 [5],[10],[21]            
Investment, Identifier [Axis]: TigerConnect, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 1,152 [3],[8],[9],[13]     955 [5],[10],[14],[21]            
Cost 0 [3],[8],[9]     0 [5],[10],[21]            
Investments at fair value (18) [3],[8],[9]     (23) [5],[10],[21]            
Investment, Identifier [Axis]: TigerConnect, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 4,267 [3],[4],[9],[13]     4,267 [5],[6],[10],[14]            
Cost (43) [3],[4],[9]     (43) [5],[6],[10]            
Investments at fair value $ (66) [3],[4],[9]     $ (102) [5],[6],[10]            
Investment, Identifier [Axis]: Transcendia Holdings, Inc., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 8.00% [3],[17] 8.00% [3],[17] 8.00% [3],[17] 8.00% [5],[18] 8.00% [5],[18] 8.00% [5],[18]        
Interest Rate 13.73% [3],[11],[17] 13.73% [3],[11],[17] 13.73% [3],[11],[17] 12.38% [5],[12],[18] 12.38% [5],[12],[18] 12.38% [5],[12],[18]        
Principal Amount, Par Value $ 14,500 [3],[13],[17]     $ 14,500 [5],[14],[18]            
Cost 14,445 [3],[17]     14,423 [5],[18]            
Investments at fair value $ 10,436 [3],[17]     $ 12,418 [5],[18]            
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% [3],[8] 5.25% [3],[8] 5.25% [3],[8] 5.25% [5],[21] 5.25% [5],[21] 5.25% [5],[21]        
Interest Rate 10.62% [3],[8],[11] 10.62% [3],[8],[11] 10.62% [3],[8],[11] 10.18% [5],[12],[21] 10.18% [5],[12],[21] 10.18% [5],[12],[21]        
Principal Amount, Par Value $ 15,382 [3],[8],[13]     $ 15,382 [5],[14],[21]            
Cost 15,277 [3],[8]     15,260 [5],[21]            
Investments at fair value $ 15,382 [3],[8]     $ 15,257 [5],[21]            
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8],[9] 5.75% [3],[8],[9] 5.75% [3],[8],[9] 5.25% [5],[10],[21] 5.25% [5],[10],[21] 5.25% [5],[10],[21]        
Interest Rate 11.27% [3],[8],[9],[11] 11.27% [3],[8],[9],[11] 11.27% [3],[8],[9],[11] 9.40% [5],[10],[12],[21] 9.40% [5],[10],[12],[21] 9.40% [5],[10],[12],[21]        
Principal Amount, Par Value $ 3,095 [3],[8],[9],[13]     $ 2,889 [5],[10],[14],[21]            
Cost 3,071 [3],[8],[9]     2,863 [5],[10],[21]            
Investments at fair value 3,095 [3],[8],[9]     2,865 [5],[10],[21]            
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,157 [3],[8],[9],[13]     1,501 [5],[6],[10],[14]            
Cost 0 [3],[8],[9]     (15) [5],[6],[10]            
Investments at fair value 0 [3],[8],[9]     (12) [5],[6],[10]            
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 1,501 [3],[4],[9],[13]     2,364 [5],[10],[14],[21]            
Cost (15) [3],[4],[9]     0 [5],[10],[21]            
Investments at fair value 0 [3],[4],[9]     (19) [5],[10],[21]            
Investment, Identifier [Axis]: USRP Holdings, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 893 [3],[4],[9],[13]     893 [5],[6],[10],[14]            
Cost (9) [3],[4],[9]     (9) [5],[6],[10]            
Investments at fair value $ 0 [3],[4],[9]     $ (29) [5],[6],[10]            
Investment, Identifier [Axis]: USRP Holdings, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 5.50% [5],[21] 5.50% [5],[21] 5.50% [5],[21]        
Interest Rate 11.29% [3],[8],[11] 11.29% [3],[8],[11] 11.29% [3],[8],[11] 10.23% [5],[12],[21] 10.23% [5],[12],[21] 10.23% [5],[12],[21]        
Principal Amount, Par Value $ 11,226 [3],[8],[13]     $ 11,311 [5],[14],[21]            
Cost 11,148 [3],[8]     11,222 [5],[21]            
Investments at fair value $ 11,226 [3],[8]     $ 10,945 [5],[21]            
Investment, Identifier [Axis]: USRP Holdings, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[4] 5.75% [3],[4] 5.75% [3],[4] 5.50% [5],[6] 5.50% [5],[6] 5.50% [5],[6]        
Interest Rate 11.29% [3],[4],[11] 11.29% [3],[4],[11] 11.29% [3],[4],[11] 10.23% [5],[6],[12] 10.23% [5],[6],[12] 10.23% [5],[6],[12]        
Principal Amount, Par Value $ 1,462 [3],[4],[13]     $ 1,473 [5],[6],[14]            
Cost 1,451 [3],[4]     1,460 [5],[6]            
Investments at fair value 1,462 [3],[4]     $ 1,425 [5],[6]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[20],[21]       5.50% 5.50% 5.50%        
PIK [5],[20],[21]       2.00% 2.00% 2.00%        
Interest Rate [5],[12],[20],[21]       10.76% 10.76% 10.76%        
Principal Amount, Par Value [5],[14],[21]       $ 22,367            
Cost [5],[21]       21,885            
Investments at fair value [5],[21]       $ 22,367            
Investment, Identifier [Axis]: UniTek Global Services, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[20],[21]       5.50% 5.50% 5.50%        
PIK [5],[20],[21]       2.00% 2.00% 2.00%        
Interest Rate [5],[12],[20],[21]       10.76% 10.76% 10.76%        
Principal Amount, Par Value [5],[14],[21]       $ 3,949            
Cost [5],[21]       3,855            
Investments at fair value [5],[21]       3,949            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Junior preferred shares, Non-accrual status                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 34,393                  
Investments at fair value 0                  
Investment, Identifier [Axis]: UniTek Global Services, Inc., Ordinary shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 1,925 [3],[8]     1,926 [5],[21]            
Investments at fair value 0 [3],[8]     0 [5],[21]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Ordinary shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 532 [3],[4]     533 [5],[6]            
Investments at fair value $ 0 [3],[4]     0 [5],[6]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [3],[4],[19] 20.00% 20.00% 20.00%              
Interest Rate [3],[4],[11],[19] 20.00% 20.00% 20.00%              
Cost $ 17,867 [3],[4]     15,434 [5],[6],[72]            
Investments at fair value $ 14,964 [3],[4]     11,626 [5],[6],[72]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [3],[4],[19] 20.00% 20.00% 20.00%              
Interest Rate [3],[4],[11],[19] 20.00% 20.00% 20.00%              
Cost $ 10,619 [3],[4]     9,173 [5],[6],[72]            
Investments at fair value $ 9,341 [3],[4]     7,670 [5],[6],[72]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [3],[4],[19],[25] 19.00% 19.00% 19.00%              
Interest Rate [3],[4],[11],[19],[25] 19.00% 19.00% 19.00%              
Cost $ 19,794 [3],[4],[25]     19,795 [5],[6],[26],[73]            
Investments at fair value $ 5,927 [3],[4],[25]     6,491 [5],[6],[26],[73]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 4                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [3],[8],[19],[25] 13.50% 13.50% 13.50%              
Interest Rate [3],[8],[11],[19],[25] 13.50% 13.50% 13.50%              
Cost $ 26,946 [3],[8],[25]     26,946 [5],[21],[26],[74]            
Investments at fair value $ 0 [3],[8],[25]     0 [5],[21],[26],[74]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Preferred shares 5                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [3],[4],[19],[25] 13.50% 13.50% 13.50%              
Interest Rate [3],[4],[11],[19],[25] 13.50% 13.50% 13.50%              
Cost $ 7,447 [3],[4],[25]     7,447 [5],[6],[26],[74]            
Investments at fair value $ 0 [3],[4],[25]     $ 0 [5],[6],[26],[74]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 15.00% [3],[4],[19] 15.00% [3],[4],[19] 15.00% [3],[4],[19] 15.00% [5],[6],[20] 15.00% [5],[6],[20] 15.00% [5],[6],[20]        
Interest Rate 15.00% [3],[4],[11],[19] 15.00% [3],[4],[11],[19] 15.00% [3],[4],[11],[19] 15.00% [5],[6],[12],[20] 15.00% [5],[6],[12],[20] 15.00% [5],[6],[12],[20]        
Principal Amount, Par Value $ 12,942 [3],[4],[13]     $ 11,575 [5],[6],[14]            
Cost 12,942 [3],[4]     11,574 [5],[6]            
Investments at fair value $ 12,210 [3],[4]     $ 10,384 [5],[6]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK 15.00% [3],[4],[19] 15.00% [3],[4],[19] 15.00% [3],[4],[19] 15.00% [5],[6],[20] 15.00% [5],[6],[20] 15.00% [5],[6],[20]        
Interest Rate 15.00% [3],[4],[11],[19] 15.00% [3],[4],[11],[19] 15.00% [3],[4],[11],[19] 15.00% [5],[6],[12],[20] 15.00% [5],[6],[12],[20] 15.00% [5],[6],[12],[20]        
Principal Amount, Par Value $ 5,737 [3],[4],[13]     $ 5,131 [5],[6],[14]            
Cost 5,737 [3],[4]     5,131 [5],[6]            
Investments at fair value 5,411 [3],[4]     4,603 [5],[6]            
Investment, Identifier [Axis]: UniTek Global Services, Inc., Senior preferred shares, Non-accrual status                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value               $ 19,795    
Cost 19,795                  
Investments at fair value 5,927                  
Investment, Identifier [Axis]: UniTek Global Services, Inc., Warrants                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Cost 0 [3],[4]     0 [5],[6]            
Investments at fair value $ 42,909 [3],[4]     $ 36,680 [5],[6]            
Investment, Identifier [Axis]: VT Topco, Inc., Second lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[21]       6.75% 6.75% 6.75%        
Interest Rate [5],[12],[21]       11.13% 11.13% 11.13%        
Principal Amount, Par Value [5],[14],[21]       $ 16,183            
Cost [5],[21]       16,137            
Investments at fair value [5],[21]       $ 15,711            
Investment, Identifier [Axis]: VT Topco, Inc., Second lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[16]       6.75% 6.75% 6.75%        
Interest Rate [5],[12],[16]       11.13% 11.13% 11.13%        
Principal Amount, Par Value [5],[14],[16]       $ 10,000            
Cost [5],[16]       9,987            
Investments at fair value [5],[16]       $ 9,708            
Investment, Identifier [Axis]: Vectra Co., Second lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.25% [17] 7.25% [17] 7.25% [17] 7.25% [5],[18] 7.25% [5],[18] 7.25% [5],[18]        
Interest Rate 12.68% [11],[17] 12.68% [11],[17] 12.68% [11],[17] 11.63% [5],[12],[18] 11.63% [5],[12],[18] 11.63% [5],[12],[18]        
Principal Amount, Par Value $ 10,788 [13],[17]     $ 10,788 [5],[14],[18]            
Cost 10,772 [17]     10,769 [5],[18]            
Investments at fair value $ 10,788 [17]     $ 7,004 [5],[18]            
Investment, Identifier [Axis]: Virtusa Corporation, Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.13% [4] 7.13% [4] 7.13% [4] 7.13% [6] 7.13% [6] 7.13% [6]        
Interest Rate 7.13% [4],[11] 7.13% [4],[11] 7.13% [4],[11] 7.13% [6],[12] 7.13% [6],[12] 7.13% [6],[12]        
Principal Amount, Par Value $ 7,000 [4],[13]     $ 5,000 [6],[14]            
Cost 5,589 [4]     3,824 [6]            
Investments at fair value $ 5,661 [4]     $ 3,817 [6]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8],[9] 5.75% [3],[8],[9] 5.75% [3],[8],[9] 6.00% [5],[6],[10] 6.00% [5],[6],[10] 6.00% [5],[6],[10]        
Interest Rate 10.65% [3],[8],[9],[11] 10.65% [3],[8],[9],[11] 10.65% [3],[8],[9],[11] 10.31% [5],[6],[10],[12] 10.31% [5],[6],[10],[12] 10.31% [5],[6],[10],[12]        
Principal Amount, Par Value $ 11,135 [3],[8],[9],[13]     $ 7,478 [5],[6],[10],[14]            
Cost 11,122 [3],[8],[9]     7,481 [5],[6],[10]            
Investments at fair value 11,135 [3],[8],[9]     7,430 [5],[6],[10]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 2,040 [3],[4],[9],[13]     2,040 [5],[6],[10],[14]            
Cost (6) [3],[4],[9]     (6) [5],[6],[10]            
Investments at fair value 0 [3],[4],[9]     (13) [5],[6],[10]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 4,624 [3],[8],[9],[13]     8,327 [5],[6],[10],[14]            
Cost (12) [3],[8],[9]     (21) [5],[6],[10]            
Investments at fair value $ 0 [3],[8],[9]     $ (53) [5],[6],[10]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 6.00% [5],[21] 6.00% [5],[21] 6.00% [5],[21]        
Interest Rate 10.78% [3],[8],[11] 10.78% [3],[8],[11] 10.78% [3],[8],[11] 10.00% [5],[12],[21] 10.00% [5],[12],[21] 10.00% [5],[12],[21]        
Principal Amount, Par Value $ 18,806 [3],[8],[13]     $ 18,949 [5],[14],[21]            
Cost 18,760 [3],[8]     18,896 [5],[21]            
Investments at fair value $ 18,806 [3],[8]     $ 18,827 [5],[21]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 6.00% [5],[21] 6.00% [5],[21] 6.00% [5],[21]        
Interest Rate 11.26% [3],[8],[11] 11.26% [3],[8],[11] 11.26% [3],[8],[11] 9.41% [5],[12],[21] 9.41% [5],[12],[21] 9.41% [5],[12],[21]        
Principal Amount, Par Value $ 1,244 [3],[8],[13]     $ 1,254 [5],[14],[21]            
Cost 1,235 [3],[8]     1,243 [5],[21]            
Investments at fair value $ 1,245 [3],[8]     $ 1,246 [5],[21]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% [3],[8] 5.75% [3],[8] 5.75% [3],[8] 6.00% [5],[21] 6.00% [5],[21] 6.00% [5],[21]        
Interest Rate 10.67% [3],[8],[11] 10.67% [3],[8],[11] 10.67% [3],[8],[11] 10.46% [5],[12],[21] 10.46% [5],[12],[21] 10.46% [5],[12],[21]        
Principal Amount, Par Value $ 834 [3],[8],[13]     $ 841 [5],[14],[21]            
Cost 828 [3],[8]     833 [5],[21]            
Investments at fair value $ 834 [3],[8]     $ 835 [5],[21]            
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC, Subordinated                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
PIK [3],[4],[19] 15.00% 15.00% 15.00%              
Interest Rate [3],[4],[11],[19] 15.00% 15.00% 15.00%              
Principal Amount, Par Value [3],[4],[13] $ 3,333                  
Cost [3],[4] 3,284                  
Investments at fair value [3],[4] $ 3,283                  
Investment, Identifier [Axis]: Xactly Corporation, First lien                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.25% [3],[15] 7.25% [3],[15] 7.25% [3],[15] 7.25% [5],[16] 7.25% [5],[16] 7.25% [5],[16]        
Interest Rate 12.77% [3],[11],[15] 12.77% [3],[11],[15] 12.77% [3],[11],[15] 11.99% [5],[12],[16] 11.99% [5],[12],[16] 11.99% [5],[12],[16]        
Principal Amount, Par Value $ 22,500 [3],[13],[15]     $ 19,047 [5],[14],[16]            
Cost 22,469 [3],[15]     19,030 [5],[16]            
Investments at fair value 22,500 [3],[15]     $ 19,047 [5],[16]            
Investment, Identifier [Axis]: Xactly Corporation, First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [5],[6],[10]       7.25% 7.25% 7.25%        
Interest Rate [5],[6],[10],[12]       11.59% 11.59% 11.59%        
Principal Amount, Par Value [5],[6],[10],[14]       $ 992            
Cost [5],[6],[10]       982            
Investments at fair value [5],[6],[10]       $ 992            
Investment, Identifier [Axis]: Xactly Corporation, First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 992                  
Cost [3],[4],[9] (10)                  
Investments at fair value [3],[4],[9] $ 0                  
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [3],[9],[33] 5.00% [3],[9],[33] 5.00% [3],[9],[33] 5.00% [5],[10],[34] 5.00% [5],[10],[34] 5.00% [5],[10],[34]        
Interest Rate 10.48% [3],[9],[11],[33] 10.48% [3],[9],[11],[33] 10.48% [3],[9],[11],[33] 9.90% [5],[10],[12],[34] 9.90% [5],[10],[12],[34] 9.90% [5],[10],[12],[34]        
Principal Amount, Par Value $ 1,203 [3],[9],[13],[33]     $ 495 [5],[10],[14],[34]            
Cost 1,193 [3],[9],[33]     506 [5],[10],[34]            
Investments at fair value 1,191 [3],[9],[33]     482 [5],[10],[34]            
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[10],[14],[34]       1,584            
Cost [5],[10],[34]       (16)            
Investments at fair value [5],[10],[34]       $ (41)            
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[9],[13],[33] 4                  
Cost [3],[9],[33] 0                  
Investments at fair value [3],[9],[33] 0                  
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[9],[13],[33] 865                  
Cost [3],[9],[33] 0                  
Investments at fair value [3],[9],[33] (8)                  
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien - Undrawn 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [3],[4],[9],[13] 3,968                  
Cost [3],[4],[9] (20)                  
Investments at fair value [3],[4],[9] $ (38)                  
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [3],[33] 5.00% [3],[33] 5.00% [3],[33] 5.00% [5],[34] 5.00% [5],[34] 5.00% [5],[34]        
Interest Rate 10.47% [3],[11],[33] 10.47% [3],[11],[33] 10.47% [3],[11],[33] 9.93% [5],[12],[34] 9.93% [5],[12],[34] 9.93% [5],[12],[34]        
Principal Amount, Par Value $ 17,723 [3],[13],[33]     $ 17,861 [5],[14],[34]            
Cost 17,688 [3],[33]     17,815 [5],[34]            
Investments at fair value $ 17,552 [3],[33]     $ 17,393 [5],[34]            
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% [3],[33] 5.00% [3],[33] 5.00% [3],[33] 5.00% [5],[34] 5.00% [5],[34] 5.00% [5],[34]        
Interest Rate 10.47% [3],[11],[33] 10.47% [3],[11],[33] 10.47% [3],[11],[33] 9.93% [5],[12],[34] 9.93% [5],[12],[34] 9.93% [5],[12],[34]        
Principal Amount, Par Value $ 2,308 [3],[13],[33]     $ 2,326 [5],[14],[34]            
Cost 2,303 [3],[33]     2,319 [5],[34]            
Investments at fair value $ 2,285 [3],[33]     2,265 [5],[34]            
Investment, Identifier [Axis]: YLG Holdings, Inc., First lien) - Undrawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [5],[6],[10],[14]       3,968            
Cost [5],[6],[10]       (20)            
Investments at fair value [5],[6],[10]       (104)            
Investment, Identifier [Axis]: iCIMS, Inc., First lien - Drawn                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [4],[9] 6.75% 6.75% 6.75%              
Interest Rate [4],[9],[11] 12.14% 12.14% 12.14%              
Principal Amount, Par Value [4],[9],[13] $ 471                  
Cost [4],[9] 467                  
Investments at fair value [4],[9] 466                  
Investment, Identifier [Axis]: iCIMS, Inc., First lien - Undrawn 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 1,080 [8],[9],[13]     11,763 [5],[10],[14],[18]            
Cost 0 [8],[9]     0 [5],[10],[18]            
Investments at fair value 0 [8],[9]     0 [5],[10],[18]            
Investment, Identifier [Axis]: iCIMS, Inc., First lien - Undrawn 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 6,969 [9],[13],[17]     4,218 [5],[6],[10],[14]            
Cost 0 [9],[17]     (37) [5],[6],[10]            
Investments at fair value 0 [9],[17]     $ (37) [5],[6],[10]            
Investment, Identifier [Axis]: iCIMS, Inc., First lien - Undrawn 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value [4],[9],[13] 2,347                  
Cost [4],[9] (21)                  
Investments at fair value [4],[9] $ (23)                  
Investment, Identifier [Axis]: iCIMS, Inc., First lien 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.88% [17],[19] 3.88% [17],[19] 3.88% [17],[19] 3.38% [5],[18],[20] 3.38% [5],[18],[20] 3.38% [5],[18],[20]        
PIK 3.38% [17],[19] 3.38% [17],[19] 3.38% [17],[19] 3.88% [5],[18],[20] 3.88% [5],[18],[20] 3.88% [5],[18],[20]        
Interest Rate 12.63% [11],[17],[19] 12.63% [11],[17],[19] 12.63% [11],[17],[19] 11.52% [5],[12],[18],[20] 11.52% [5],[12],[18],[20] 11.52% [5],[12],[18],[20]        
Principal Amount, Par Value $ 30,481 [13],[17]     $ 44,287 [5],[14],[18]            
Cost 30,258 [17]     43,917 [5],[18]            
Investments at fair value $ 30,176 [17]     $ 43,901 [5],[18]            
Investment, Identifier [Axis]: iCIMS, Inc., First lien 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.25% [8] 7.25% [8] 7.25% [8] 7.25% [5],[21] 7.25% [5],[21] 7.25% [5],[21]        
Interest Rate 12.63% [8],[11],[19] 12.63% [8],[11],[19] 12.63% [8],[11],[19] 11.52% [5],[12],[21] 11.52% [5],[12],[21] 11.52% [5],[12],[21]        
Principal Amount, Par Value $ 7,366 [8],[13]     $ 7,366 [5],[14],[21]            
Cost 7,309 [8]     7,303 [5],[21]            
Investments at fair value $ 7,292 [8]     7,311 [5],[21]            
Investment, Identifier [Axis]: iCIMS, Inc., First lien 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread [8],[19] 3.88% 3.88% 3.88%              
PIK [8],[19] 3.38% 3.38% 3.38%              
Interest Rate [8],[11],[19] 12.63% 12.63% 12.63%              
Principal Amount, Par Value [8],[13] $ 4,725                  
Cost [8] 4,678                  
Investments at fair value [8] 4,678                  
SLP III                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 681,088     690,017            
Cost 670,979     681,288            
Investments at fair value 656,828     639,327            
SLP III | Funded Investments                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 680,368     687,069            
Cost 670,984     681,338            
Investments at fair value 656,829     639,607            
SLP III | Unfunded Investments                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 720     2,948            
Cost (5)     (50)            
Investments at fair value $ (1)     $ (280)            
SLP III | Investment, Identifier [Axis]: ADMI Corp. (aka Aspen Dental), First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.18% 9.18% 9.18% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 2,382     $ 2,400            
Cost 2,374     2,391            
Investments at fair value $ 2,227     $ 2,194            
SLP III | Investment, Identifier [Axis]: AG Parent Holdings, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00% 5.00% 5.00% 5.00%        
Interest Rate 10.68% 10.68% 10.68% 9.38% 9.38% 9.38%        
Principal Amount, Par Value $ 9,675     $ 12,125            
Cost 9,653     12,092            
Investments at fair value $ 9,504     $ 11,769            
SLP III | Investment, Identifier [Axis]: Advisor Group Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.50% 4.50% 4.50%        
Interest Rate       8.88% 8.88% 8.88%        
Principal Amount, Par Value       $ 9,700            
Cost       9,672            
Investments at fair value       $ 9,512            
SLP III | Investment, Identifier [Axis]: Aretec Group, Inc. (fka RCS Capital Corporation), First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50%              
Interest Rate 9.92% 9.92% 9.92%              
Principal Amount, Par Value $ 4,924                  
Cost 4,826                  
Investments at fair value $ 4,898                  
SLP III | Investment, Identifier [Axis]: Artera Services, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.99% 8.99% 8.99% 8.23% 8.23% 8.23%        
Principal Amount, Par Value $ 5,286     $ 6,838            
Cost 5,270     6,806            
Investments at fair value $ 4,976     $ 5,624            
SLP III | Investment, Identifier [Axis]: Ascensus Group Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50%              
Interest Rate 8.93% 8.93% 8.93%              
Principal Amount, Par Value $ 4,033                  
Cost 4,017                  
Investments at fair value $ 4,006                  
SLP III | Investment, Identifier [Axis]: AssuredPartners, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest Rate 9.57% 9.57% 9.57% 8.57% 8.57% 8.57%        
Principal Amount, Par Value $ 1,980     $ 1,995            
Cost 1,922     1,926            
Investments at fair value $ 1,982     $ 1,985            
SLP III | Investment, Identifier [Axis]: Aston FinCo S.a.r.l. / Aston US Finco, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest Rate 9.68% 9.68% 9.68% 8.63% 8.63% 8.63%        
Principal Amount, Par Value $ 5,790     $ 5,835            
Cost 5,762     5,801            
Investments at fair value $ 5,057     $ 4,989            
SLP III | Investment, Identifier [Axis]: BCPE Empire Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% 4.75% 4.75%              
Interest Rate 10.07% 10.07% 10.07%              
Principal Amount, Par Value $ 7,477                  
Cost 7,406                  
Investments at fair value $ 7,486                  
SLP III | Investment, Identifier [Axis]: BCPE Empire Holdings, Inc., First lien - Funded 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest Rate       8.38% 8.38% 8.38%        
Principal Amount, Par Value       $ 4,258            
Cost       4,235            
Investments at fair value       $ 4,141            
SLP III | Investment, Identifier [Axis]: BCPE Empire Holdings, Inc., First lien - Funded 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.63% 4.63% 4.63%        
Interest Rate       9.05% 9.05% 9.05%        
Principal Amount, Par Value       $ 3,257            
Cost       3,156            
Investments at fair value       $ 3,205            
SLP III | Investment, Identifier [Axis]: Bella Holding Company, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.17% 9.17% 9.17% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 2,221     $ 2,238            
Cost 2,205     2,220            
Investments at fair value $ 2,212     $ 2,123            
SLP III | Investment, Identifier [Axis]: Bluefin Holding, LLC, First lien - Funded 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       5.75% 5.75% 5.75%        
Interest Rate       10.48% 10.48% 10.48%        
Principal Amount, Par Value       $ 9,700            
Cost       9,617            
Investments at fair value       $ 9,418            
SLP III | Investment, Identifier [Axis]: Bluefin Holding, LLC, First lien - Funded 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       5.75% 5.75% 5.75%        
Interest Rate       10.48% 10.48% 10.48%        
Principal Amount, Par Value       $ 2,562            
Cost       2,530            
Investments at fair value       $ 2,488            
SLP III | Investment, Identifier [Axis]: Bracket Intermediate Holding Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00% 4.25% 4.25% 4.25%        
Interest Rate 10.49% 10.49% 10.49% 7.99% 7.99% 7.99%        
Principal Amount, Par Value $ 14,289     $ 14,362            
Cost 13,887     14,333            
Investments at fair value $ 14,303     $ 13,689            
SLP III | Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.52% 9.52% 9.52% 8.38% 8.38% 8.38%        
Principal Amount, Par Value $ 4,232     $ 4,266            
Cost 4,228     4,260            
Investments at fair value $ 4,230     $ 4,145            
SLP III | Investment, Identifier [Axis]: Brown Group Holding, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.12% 9.12% 9.12% 7.91% 7.91% 7.91%        
Principal Amount, Par Value $ 3,999     $ 7,045            
Cost 3,912     6,875            
Investments at fair value $ 4,001     $ 7,033            
SLP III | Investment, Identifier [Axis]: CE Intermediate I, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 4.00% 4.00% 4.00%        
Interest Rate 9.02% 9.02% 9.02% 8.59% 8.59% 8.59%        
Principal Amount, Par Value $ 10,838     $ 10,920            
Cost 10,779     10,854            
Investments at fair value $ 10,740     $ 10,388            
SLP III | Investment, Identifier [Axis]: CHA Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 10.15% 10.15% 10.15% 9.23% 9.23% 9.23%        
Principal Amount, Par Value $ 949     $ 957            
Cost 949     957            
Investments at fair value $ 949     $ 945            
SLP III | Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.93% 8.93% 8.93% 7.77% 7.77% 7.77%        
Principal Amount, Par Value $ 14,250     $ 14,363            
Cost 14,229     14,333            
Investments at fair value $ 14,241     $ 13,597            
SLP III | Investment, Identifier [Axis]: CVET Midco 2, L.P., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00% 5.00% 5.00% 5.00%        
Interest Rate 10.39% 10.39% 10.39% 9.58% 9.58% 9.58%        
Principal Amount, Par Value $ 6,930     $ 6,965            
Cost 6,555     6,556            
Investments at fair value $ 6,878     $ 6,539            
SLP III | Investment, Identifier [Axis]: Cano Health, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest Rate       8.42% 8.42% 8.42%        
Principal Amount, Par Value       $ 9,508            
Cost       9,476            
Investments at fair value       $ 7,642            
SLP III | Investment, Identifier [Axis]: Cardinal Parent, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 10.04% 10.04% 10.04% 9.23% 9.23% 9.23%        
Principal Amount, Par Value $ 9,847     $ 9,922            
Cost 9,662     9,709            
Investments at fair value $ 8,960     $ 9,522            
SLP III | Investment, Identifier [Axis]: CentralSquare Technologies, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.29% 9.29% 9.29% 8.48% 8.48% 8.48%        
Principal Amount, Par Value $ 14,287     $ 14,400            
Cost 14,276     14,385            
Investments at fair value $ 13,585     $ 12,488            
SLP III | Investment, Identifier [Axis]: CommerceHub, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% 6.25% 6.25% 4.00% 4.00% 4.00%        
Interest Rate 11.77% 11.77% 11.77% 8.78% 8.78% 8.78%        
Principal Amount, Par Value $ 3,980     $ 5,717            
Cost 3,552     5,695            
Investments at fair value $ 3,980     $ 5,274            
SLP III | Investment, Identifier [Axis]: CommerceHub, Inc., First lien - Funded 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest Rate 9.52% 9.52% 9.52%              
Principal Amount, Par Value $ 5,673                  
Cost 5,654                  
Investments at fair value $ 5,476                  
SLP III | Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest Rate 9.43% 9.43% 9.43%              
Principal Amount, Par Value $ 11,772                  
Cost 11,724                  
Investments at fair value $ 11,242                  
SLP III | Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Funded 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest Rate       8.38% 8.38% 8.38%        
Principal Amount, Par Value       $ 11,962            
Cost       11,909            
Investments at fair value       $ 10,212            
SLP III | Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Funded 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest Rate       8.38% 8.38% 8.38%        
Principal Amount, Par Value       $ 1,499            
Cost       1,492            
Investments at fair value       1,280            
SLP III | Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value       1,139            
Cost       (6)            
Investments at fair value       $ (167)            
SLP III | Investment, Identifier [Axis]: Confluent Medical Technologies, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.14% 9.14% 9.14% 8.33% 8.33% 8.33%        
Principal Amount, Par Value $ 6,895     $ 6,947            
Cost 6,867     6,916            
Investments at fair value $ 6,826     $ 6,617            
SLP III | Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest Rate 10.74% 10.74% 10.74% 9.93% 9.93% 9.93%        
Principal Amount, Par Value $ 12,870     $ 12,967            
Cost 12,568     12,598            
Investments at fair value $ 11,355     $ 12,578            
SLP III | Investment, Identifier [Axis]: Cornerstone OnDemand, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.18% 9.18% 9.18% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 4,477     $ 4,511            
Cost 4,460     4,492            
Investments at fair value $ 4,270     $ 4,049            
SLP III | Investment, Identifier [Axis]: Covenant Surgical Partners, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest Rate 9.37% 9.37% 9.37%              
Principal Amount, Par Value $ 2,000                  
Cost 1,988                  
Investments at fair value $ 1,630                  
SLP III | Investment, Identifier [Axis]: Covenant Surgical Partners, Inc., First lien - Funded 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.37% 9.37% 9.37% 8.41% 8.41% 8.41%        
Principal Amount, Par Value $ 9,607     $ 2,000            
Cost 9,565     1,984            
Investments at fair value $ 7,830     $ 1,710            
SLP III | Investment, Identifier [Axis]: Covenant Surgical Partners, Inc., First lien - Funded 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest Rate       8.41% 8.41% 8.41%        
Principal Amount, Par Value       $ 9,680            
Cost       9,628            
Investments at fair value       $ 8,276            
SLP III | Investment, Identifier [Axis]: DG Investment Intermediate Holdings 2, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.18% 9.18% 9.18% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 7,331     $ 7,388            
Cost 7,311     7,364            
Investments at fair value $ 7,233     $ 7,088            
SLP III | Investment, Identifier [Axis]: Dealer Tire Financial, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.82% 9.82% 9.82% 8.82% 8.82% 8.82%        
Principal Amount, Par Value $ 9,652     $ 9,725            
Cost 9,640     9,690            
Investments at fair value $ 9,682     $ 9,628            
SLP III | Investment, Identifier [Axis]: Discovery Purchaser Corporation, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.38% 4.38% 4.38% 4.38% 4.38% 4.38%        
Interest Rate 9.77% 9.77% 9.77% 7.97% 7.97% 7.97%        
Principal Amount, Par Value $ 7,047     $ 7,100            
Cost 6,539     6,543            
Investments at fair value $ 6,809     $ 6,499            
SLP III | Investment, Identifier [Axis]: Dispatch Acquisition Holdings, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest Rate 9.79% 9.79% 9.79% 8.98% 8.98% 8.98%        
Principal Amount, Par Value $ 15,487     $ 15,606            
Cost 15,127     15,196            
Investments at fair value $ 14,384     $ 13,265            
SLP III | Investment, Identifier [Axis]: Drilling Info Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.25% 4.25% 4.25%        
Interest Rate       8.63% 8.63% 8.63%        
Principal Amount, Par Value       $ 18,197            
Cost       18,159            
Investments at fair value       $ 17,560            
SLP III | Investment, Identifier [Axis]: EAB Global, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 9.13% 9.13% 9.13% 7.88% 7.88% 7.88%        
Principal Amount, Par Value $ 1,107     $ 3,212            
Cost 1,104     3,199            
Investments at fair value $ 1,101     $ 3,098            
SLP III | Investment, Identifier [Axis]: Eagle Parent Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest Rate 9.64% 9.64% 9.64%              
Principal Amount, Par Value $ 4,987                  
Cost 4,900                  
Investments at fair value $ 4,863                  
SLP III | Investment, Identifier [Axis]: Eisner Advisory Group LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25%              
Interest Rate 10.68% 10.68% 10.68%              
Principal Amount, Par Value $ 2,195                  
Cost 2,115                  
Investments at fair value $ 2,194                  
SLP III | Investment, Identifier [Axis]: Energize Holdco LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75% 3.75%        
Interest Rate       8.13% 8.13% 8.13%        
Principal Amount, Par Value       $ 12,488            
Cost       12,433            
Investments at fair value       $ 11,863            
SLP III | Investment, Identifier [Axis]: Enverus Holdings, Inc. (fka Drilling Info Holdings, Inc.), First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest Rate 9.67% 9.67% 9.67%              
Principal Amount, Par Value $ 18,054                  
Cost 18,027                  
Investments at fair value $ 17,496                  
SLP III | Investment, Identifier [Axis]: EyeCare Partners, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.18% 9.18% 9.18% 8.48% 8.48% 8.48%        
Principal Amount, Par Value $ 12,241     $ 14,611            
Cost 12,233     14,599            
Investments at fair value $ 8,798     $ 12,431            
SLP III | Investment, Identifier [Axis]: Foundational Education Group, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 3.75% 3.75% 3.75%        
Interest Rate 9.88% 9.88% 9.88% 8.59% 8.59% 8.59%        
Principal Amount, Par Value $ 9,625     $ 9,405            
Cost 9,528     9,326            
Investments at fair value $ 9,144     $ 8,840            
SLP III | Investment, Identifier [Axis]: Greenway Health, LLC (fka Vitera Healthcare Solutions, LLC), First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest Rate 9.18% 9.18% 9.18%              
Principal Amount, Par Value $ 14,106                  
Cost 14,107                  
Investments at fair value $ 12,837                  
SLP III | Investment, Identifier [Axis]: Greenway Health, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75% 3.75%        
Interest Rate       8.48% 8.48% 8.48%        
Principal Amount, Par Value       $ 14,219            
Cost       14,221            
Investments at fair value       $ 9,971            
SLP III | Investment, Identifier [Axis]: Groundworks, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.50% 6.50% 6.50%              
Interest Rate 11.81% 11.81% 11.81%              
Principal Amount, Par Value $ 1,337                  
Cost 1,300                  
Investments at fair value 1,317                  
SLP III | Investment, Identifier [Axis]: Groundworks, LLC, First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 164                  
Cost (2)                  
Investments at fair value $ (2)                  
SLP III | Investment, Identifier [Axis]: Heartland Dental, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00% 3.75% 3.75% 3.75%        
Interest Rate 10.33% 10.33% 10.33% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 14,214     $ 18,160            
Cost 13,679     18,126            
Investments at fair value $ 14,080     $ 16,847            
SLP III | Investment, Identifier [Axis]: Help/Systems Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.47% 9.47% 9.47% 8.19% 8.19% 8.19%        
Principal Amount, Par Value $ 17,929     $ 18,068            
Cost 17,834     17,953            
Investments at fair value $ 17,240     $ 16,335            
SLP III | Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% 5.50% 5.50% 5.25% 5.25% 5.25%        
Interest Rate 10.92% 10.92% 10.92% 9.63% 9.63% 9.63%        
Principal Amount, Par Value $ 9,010     $ 9,079            
Cost 8,959     9,018            
Investments at fair value $ 9,010     $ 8,972            
SLP III | Investment, Identifier [Axis]: HighTower Holding, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.61% 9.61% 9.61% 8.28% 8.28% 8.28%        
Principal Amount, Par Value $ 4,742     $ 4,778            
Cost 4,708     4,739            
Investments at fair value $ 4,730     $ 4,402            
SLP III | Investment, Identifier [Axis]: Houghton Mifflin Harcourt Company, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest Rate 10.67% 10.67% 10.67% 9.67% 9.67% 9.67%        
Principal Amount, Par Value $ 6,672     $ 5,652            
Cost 6,452     5,493            
Investments at fair value $ 6,288     $ 5,394            
SLP III | Investment, Identifier [Axis]: Hub International Limited, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest Rate 9.58% 9.58% 9.58%              
Principal Amount, Par Value $ 6,442                  
Cost 6,377                  
Investments at fair value $ 6,469                  
SLP III | Investment, Identifier [Axis]: Idera, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.27% 9.27% 9.27% 7.50% 7.50% 7.50%        
Principal Amount, Par Value $ 15,682     $ 15,803            
Cost 15,673     15,792            
Investments at fair value $ 15,571     $ 14,944            
SLP III | Investment, Identifier [Axis]: Kestra Advisor Services Holdings A, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest Rate 9.74% 9.74% 9.74% 8.98% 8.98% 8.98%        
Principal Amount, Par Value $ 11,842     $ 11,935            
Cost 11,805     11,889            
Investments at fair value $ 11,840     $ 11,572            
SLP III | Investment, Identifier [Axis]: LI Group Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.18% 9.18% 9.18% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 3,761     $ 4,573            
Cost 3,754     4,565            
Investments at fair value $ 3,768     $ 4,493            
SLP III | Investment, Identifier [Axis]: LSCS Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.61% 4.61% 4.61% 4.50% 4.50% 4.50%        
Interest Rate 9.93% 9.93% 9.93% 8.88% 8.88% 8.88%        
Principal Amount, Par Value $ 7,510     $ 7,567            
Cost 7,480     7,534            
Investments at fair value 7,411     7,236            
SLP III | Investment, Identifier [Axis]: Largest Portfolio Company Investment                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value $ 26,178     $ 18,197            
SLP III | Investment, Identifier [Axis]: MED ParentCo, LP, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest Rate 9.68% 9.68% 9.68% 8.63% 8.63% 8.63%        
Principal Amount, Par Value $ 12,491     $ 12,588            
Cost 12,436     12,520            
Investments at fair value $ 11,966     $ 10,800            
SLP III | Investment, Identifier [Axis]: MH Sub I, LLC (Micro Holding Corp.), First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 3.75% 3.75% 3.75%        
Interest Rate 9.57% 9.57% 9.57% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 3,567     $ 10,695            
Cost 3,484     10,677            
Investments at fair value $ 3,457     $ 10,406            
SLP III | Investment, Identifier [Axis]: Mamba Purchaser, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50% 3.50%        
Interest Rate       7.89% 7.89% 7.89%        
Principal Amount, Par Value       $ 5,730            
Cost       5,706            
Investments at fair value       $ 5,486            
SLP III | Investment, Identifier [Axis]: Maverick Bidco Inc., First lien - Funded 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00% 3.75% 3.75% 3.75%        
Interest Rate 10.47% 10.47% 10.47% 8.16% 8.16% 8.16%        
Principal Amount, Par Value $ 1,990     $ 3,960            
Cost 1,906     3,945            
Investments at fair value $ 1,942     $ 3,763            
SLP III | Investment, Identifier [Axis]: Maverick Bidco Inc., First lien - Funded 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 5.00% 5.00% 5.00%        
Interest Rate 9.12% 9.12% 9.12% 9.28% 9.28% 9.28%        
Principal Amount, Par Value $ 3,931     $ 2,000            
Cost 3,916     1,905            
Investments at fair value $ 3,835     $ 1,901            
SLP III | Investment, Identifier [Axis]: Maverick Bidco Inc., First lien - Funded 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest Rate 9.88% 9.88% 9.88%              
Principal Amount, Par Value $ 2,494                  
Cost 2,378                  
Investments at fair value $ 2,447                  
SLP III | Investment, Identifier [Axis]: Mavis Tire Express Services Topco Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.43% 9.43% 9.43% 8.50% 8.50% 8.50%        
Principal Amount, Par Value $ 4,142     $ 4,174            
Cost 4,127     4,157            
Investments at fair value $ 4,140     $ 3,993            
SLP III | Investment, Identifier [Axis]: Mercury Borrower, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50% 3.50%        
Interest Rate       8.25% 8.25% 8.25%        
Principal Amount, Par Value       $ 4,179            
Cost       4,160            
Investments at fair value       $ 3,996            
SLP III | Investment, Identifier [Axis]: Mitnick Corporate Purchaser, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.75% 4.75% 4.75%        
Interest Rate       8.94% 8.94% 8.94%        
Principal Amount, Par Value       $ 4,655            
Cost       4,633            
Investments at fair value       $ 4,373            
SLP III | Investment, Identifier [Axis]: National Intergovernmental Purchasing Alliance Company, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50% 3.50%        
Interest Rate       8.08% 8.08% 8.08%        
Principal Amount, Par Value       $ 8,485            
Cost       8,483            
Investments at fair value       $ 8,416            
SLP III | Investment, Identifier [Axis]: Navex Topco, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.25% 3.25% 3.25%        
Interest Rate       7.64% 7.64% 7.64%        
Principal Amount, Par Value       $ 10,887            
Cost       10,841            
Investments at fair value       $ 10,811            
SLP III | Investment, Identifier [Axis]: Netsmart, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.43% 9.43% 9.43% 8.38% 8.38% 8.38%        
Principal Amount, Par Value $ 3,910     $ 3,940            
Cost 3,910     3,940            
Investments at fair value $ 3,916     $ 3,805            
SLP III | Investment, Identifier [Axis]: Nielsen Consumer Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% 6.25% 6.25%              
Interest Rate 11.57% 11.57% 11.57%              
Principal Amount, Par Value $ 14,963                  
Cost 13,369                  
Investments at fair value $ 14,742                  
SLP III | Investment, Identifier [Axis]: OMNIA Partners, LLC , First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest Rate 9.60% 9.60% 9.60%              
Principal Amount, Par Value $ 5,919                  
Cost 5,861                  
Investments at fair value 5,930                  
SLP III | Investment, Identifier [Axis]: OMNIA Partners, LLC , First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 556                  
Cost (3)                  
Investments at fair value $ 1                  
SLP III | Investment, Identifier [Axis]: Optiv Parent Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25%              
Interest Rate 10.34% 10.34% 10.34%              
Principal Amount, Par Value $ 6,602                  
Cost 6,397                  
Investments at fair value $ 6,387                  
SLP III | Investment, Identifier [Axis]: Osaic Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50%              
Interest Rate 9.82% 9.82% 9.82%              
Principal Amount, Par Value $ 9,650                  
Cost 9,555                  
Investments at fair value $ 9,666                  
SLP III | Investment, Identifier [Axis]: Outcomes Group Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.25% 3.25% 3.25%        
Interest Rate       7.98% 7.98% 7.98%        
Principal Amount, Par Value       $ 3,331            
Cost       3,327            
Investments at fair value       $ 3,237            
SLP III | Investment, Identifier [Axis]: Pearls (Netherlands) Bidco B.V., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.12% 9.12% 9.12% 7.84% 7.84% 7.84%        
Principal Amount, Par Value $ 1,715     $ 1,728            
Cost 1,711     1,724            
Investments at fair value $ 1,710     $ 1,682            
SLP III | Investment, Identifier [Axis]: Peraton Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.17% 9.17% 9.17% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 7,158     $ 7,235            
Cost 7,133     7,206            
Investments at fair value $ 7,148     $ 7,082            
SLP III | Investment, Identifier [Axis]: PetVet Care Centers, LLC (fka Pearl Intermediate Parent LLC), First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.92% 8.92% 8.92% 7.88% 7.88% 7.88%        
Principal Amount, Par Value $ 4,537     $ 4,573            
Cost 4,536     4,570            
Investments at fair value $ 4,521     $ 4,321            
SLP III | Investment, Identifier [Axis]: Physician Partners, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.42% 9.42% 9.42% 8.42% 8.42% 8.42%        
Principal Amount, Par Value $ 4,242     $ 5,627            
Cost 4,207     5,575            
Investments at fair value $ 4,034     $ 5,383            
SLP III | Investment, Identifier [Axis]: Planview Parent, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.65% 9.65% 9.65% 8.73% 8.73% 8.73%        
Principal Amount, Par Value $ 10,749     $ 10,832            
Cost 10,545     10,598            
Investments at fair value $ 10,637     $ 10,109            
SLP III | Investment, Identifier [Axis]: Premise Health Holding Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.34% 9.34% 9.34% 7.92% 7.92% 7.92%        
Principal Amount, Par Value $ 7,347     $ 7,405            
Cost 7,337     7,390            
Investments at fair value $ 7,200     $ 7,183            
SLP III | Investment, Identifier [Axis]: Project Ruby Ultimate Parent Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25%              
Interest Rate 8.68% 8.68% 8.68%              
Principal Amount, Par Value $ 4,319                  
Cost 4,304                  
Investments at fair value $ 4,271                  
SLP III | Investment, Identifier [Axis]: Project Ruby Ultimate Parent Corp., First lien - Funded 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.75% 5.75% 5.75% 3.25% 3.25% 3.25%        
Interest Rate 11.18% 11.18% 11.18% 7.63% 7.63% 7.63%        
Principal Amount, Par Value $ 4,950     $ 4,352            
Cost 4,824     4,335            
Investments at fair value $ 4,985     $ 4,124            
SLP III | Investment, Identifier [Axis]: Project Ruby Ultimate Parent Corp., First lien - Funded 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       5.75% 5.75% 5.75%        
Interest Rate       10.07% 10.07% 10.07%        
Principal Amount, Par Value       $ 4,988            
Cost       4,844            
Investments at fair value       $ 4,838            
SLP III | Investment, Identifier [Axis]: RLG Holdings, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.00% 4.00% 4.00%        
Interest Rate 9.68% 9.68% 9.68% 8.38% 8.38% 8.38%        
Principal Amount, Par Value $ 5,741     $ 5,785            
Cost 5,720     5,761            
Investments at fair value $ 5,423     $ 5,462            
SLP III | Investment, Identifier [Axis]: RealPage, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%        
Interest Rate 8.43% 8.43% 8.43% 7.38% 7.38% 7.38%        
Principal Amount, Par Value $ 8,108     $ 10,159            
Cost 8,095     10,139            
Investments at fair value $ 8,026     $ 9,687            
SLP III | Investment, Identifier [Axis]: Renaissance Holding Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% 4.75% 4.75%              
Interest Rate 10.07% 10.07% 10.07%              
Principal Amount, Par Value $ 6,629                  
Cost 6,439                  
Investments at fair value $ 6,586                  
SLP III | Investment, Identifier [Axis]: RxB Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50%              
Interest Rate 9.95% 9.95% 9.95%              
Principal Amount, Par Value $ 2,985                  
Cost 2,905                  
Investments at fair value $ 2,985                  
SLP III | Investment, Identifier [Axis]: RxB Holdings, Inc., First lien - Funded 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25%              
Interest Rate 10.57% 10.57% 10.57%              
Principal Amount, Par Value $ 3,679                  
Cost 3,591                  
Investments at fair value $ 3,679                  
SLP III | Investment, Identifier [Axis]: Sierra Enterprises, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 2.50% 2.50% 2.50% 4.00% 4.00% 4.00%        
PIK 4.25% 4.25% 4.25%              
Interest Rate 12.12% 12.12% 12.12% 8.41% 8.41% 8.41%        
Principal Amount, Par Value $ 2,463     $ 2,381            
Cost 2,463     2,380            
Investments at fair value $ 2,283     $ 1,661            
SLP III | Investment, Identifier [Axis]: Snap One Holdings Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 10.04% 10.04% 10.04% 8.88% 8.88% 8.88%        
Principal Amount, Par Value $ 6,572     $ 6,622            
Cost 6,520     6,564            
Investments at fair value $ 6,386     $ 6,093            
SLP III | Investment, Identifier [Axis]: Sovos Brands Intermediate, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50% 3.50%        
Interest Rate       7.91% 7.91% 7.91%        
Principal Amount, Par Value       $ 9,429            
Cost       9,410            
Investments at fair value       $ 9,225            
SLP III | Investment, Identifier [Axis]: Spring Education Group, Inc. (fka SSH Group Holdings, Inc.), First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest Rate       8.73% 8.73% 8.73%        
Principal Amount, Par Value       $ 11,933            
Cost       11,921            
Investments at fair value       $ 11,692            
SLP III | Investment, Identifier [Axis]: Spring Education Group, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest Rate 9.43% 9.43% 9.43%              
Principal Amount, Par Value $ 13,829                  
Cost 13,785                  
Investments at fair value $ 13,857                  
SLP III | Investment, Identifier [Axis]: Spring Education Group, Inc., First lien - Funded 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50%              
Interest Rate 9.91% 9.91% 9.91%              
Principal Amount, Par Value $ 12,349                  
Cost 12,194                  
Investments at fair value $ 12,194                  
SLP III | Investment, Identifier [Axis]: Storable, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.82% 8.82% 8.82% 7.98% 7.98% 7.98%        
Principal Amount, Par Value $ 3,794     $ 3,823            
Cost 3,788     3,816            
Investments at fair value $ 3,774     $ 3,657            
SLP III | Investment, Identifier [Axis]: Symplr Software, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.97% 9.97% 9.97% 8.69% 8.69% 8.69%        
Principal Amount, Par Value $ 15,600     $ 15,720            
Cost 15,505     15,610            
Investments at fair value $ 14,008     $ 13,205            
SLP III | Investment, Identifier [Axis]: Syndigo LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.93% 9.93% 9.93% 8.84% 8.84% 8.84%        
Principal Amount, Par Value $ 14,625     $ 14,738            
Cost 14,553     14,655            
Investments at fair value $ 13,711     $ 14,340            
SLP III | Investment, Identifier [Axis]: TMF Sapphire Bidco B.V., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00%              
Interest Rate 10.37% 10.37% 10.37%              
Principal Amount, Par Value $ 2,667                  
Cost 2,614                  
Investments at fair value $ 2,677                  
SLP III | Investment, Identifier [Axis]: TRC Companies LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest Rate 9.18% 9.18% 9.18%              
Principal Amount, Par Value $ 12,393                  
Cost 12,344                  
Investments at fair value $ 12,254                  
SLP III | Investment, Identifier [Axis]: Therapy Brands Holdings LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.43% 9.43% 9.43% 8.35% 8.35% 8.35%        
Principal Amount, Par Value $ 4,068     $ 4,099            
Cost 4,053     4,082            
Investments at fair value $ 3,905     $ 3,853            
SLP III | Investment, Identifier [Axis]: Thermostat Purchaser III, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 10.07% 10.07% 10.07% 9.23% 9.23% 9.23%        
Principal Amount, Par Value $ 6,577     $ 6,003            
Cost 6,551     5,978            
Investments at fair value 6,514     5,800            
SLP III | Investment, Identifier [Axis]: Thermostat Purchaser III, Inc., First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value       937            
Cost       0            
Investments at fair value       (32)            
SLP III | Investment, Identifier [Axis]: Top Five Largest Portfolio Company Investments                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value $ 93,443     $ 85,948            
SLP III | Investment, Identifier [Axis]: UKG Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50%              
Interest Rate 10.02% 10.02% 10.02%              
Principal Amount, Par Value $ 4,988                  
Cost 4,883                  
Investments at fair value $ 5,010                  
SLP III | Investment, Identifier [Axis]: USI, Inc. (fka Compass Investors Inc.), First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75% 3.75%        
Interest Rate       8.33% 8.33% 8.33%        
Principal Amount, Par Value       $ 5,486            
Cost       5,377            
Investments at fair value       $ 5,441            
SLP III | Investment, Identifier [Axis]: USI, Inc. , First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest Rate 9.14% 9.14% 9.14%              
Principal Amount, Par Value $ 2,453                  
Cost 2,408                  
Investments at fair value $ 2,454                  
SLP III | Investment, Identifier [Axis]: VT Topco, Inc., First lien - Funded 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75% 3.75%        
Interest Rate       8.13% 8.13% 8.13%        
Principal Amount, Par Value       $ 31            
Cost       31            
Investments at fair value       $ 30            
SLP III | Investment, Identifier [Axis]: VT Topco, Inc., First lien - Funded 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50% 3.50%        
Interest Rate       7.88% 7.88% 7.88%        
Principal Amount, Par Value       $ 2,729            
Cost       2,729            
Investments at fair value       $ 2,647            
SLP III | Investment, Identifier [Axis]: VT Topco, Inc., First lien - Funded 3                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75% 3.75%        
Interest Rate       8.13% 8.13% 8.13%        
Principal Amount, Par Value       $ 838            
Cost       835            
Investments at fair value       815            
SLP III | Investment, Identifier [Axis]: VT Topco, Inc., First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value       25            
Cost       0            
Investments at fair value       $ (1)            
SLP III | Investment, Identifier [Axis]: Valcour Packaging, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.40% 9.40% 9.40% 7.98% 7.98% 7.98%        
Principal Amount, Par Value $ 4,470     $ 4,504            
Cost 4,460     4,492            
Investments at fair value $ 3,647     $ 3,772            
SLP III | Investment, Identifier [Axis]: WP CityMD Bidco LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.25% 3.25% 3.25%        
Interest Rate       7.63% 7.63% 7.63%        
Principal Amount, Par Value       $ 4,148            
Cost       4,123            
Investments at fair value       $ 4,145            
SLP III | Investment, Identifier [Axis]: WatchGuard Technologies, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest Rate 10.57% 10.57% 10.57% 9.57% 9.57% 9.57%        
Principal Amount, Par Value $ 5,250     $ 5,290            
Cost 4,947     4,957            
Investments at fair value $ 4,958     $ 5,075            
SLP III | Investment, Identifier [Axis]: Waystar Technologies, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.43% 9.43% 9.43% 8.38% 8.38% 8.38%        
Principal Amount, Par Value $ 3,994     $ 4,025            
Cost 3,988     4,018            
Investments at fair value $ 4,003     $ 3,972            
SLP III | Investment, Identifier [Axis]: Wrench Group LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.65% 9.65% 9.65% 8.73% 8.73% 8.73%        
Principal Amount, Par Value $ 7,763     $ 7,824            
Cost 7,751     7,809            
Investments at fair value $ 7,758     $ 7,565            
SLP III | Investment, Identifier [Axis]: Wrench Group LLC, First lien - Funded 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50%              
Interest Rate 9.99% 9.99% 9.99%              
Principal Amount, Par Value $ 5,486                  
Cost 5,392                  
Investments at fair value $ 5,486                  
SLP III | Investment, Identifier [Axis]: YI, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.42% 9.42% 9.42% 8.38% 8.38% 8.38%        
Principal Amount, Par Value $ 9,415     $ 9,490            
Cost 9,413     9,487            
Investments at fair value $ 9,368     $ 9,174            
SLP III | Investment, Identifier [Axis]: Zest Acquisition Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% 5.50% 5.50%              
Interest Rate 10.82% 10.82% 10.82%              
Principal Amount, Par Value $ 4,083                  
Cost 3,929                  
Investments at fair value $ 4,008                  
SLP III | Investment, Identifier [Axis]: athenahealth Group Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25% 3.50% 3.50% 3.50%        
Interest Rate 8.57% 8.57% 8.57% 7.82% 7.82% 7.82%        
Principal Amount, Par Value $ 6,860     $ 6,912            
Cost 6,620     6,644            
Investments at fair value $ 6,746     6,258            
SLP III | Investment, Identifier [Axis]: athenahealth Group Inc., First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value       847            
Cost       (44)            
Investments at fair value       $ (80)            
SLP III | Investment, Identifier [Axis]: eResearchTechnology, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.93% 9.93% 9.93% 8.88% 8.88% 8.88%        
Principal Amount, Par Value $ 7,215     $ 7,271            
Cost 7,195     7,247            
Investments at fair value 7,086     6,459            
SLP IV                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 511,889     510,372            
Cost 505,873     504,875            
Investments at fair value 494,851     473,762            
SLP IV | Funded Investments                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 511,460     508,399            
Cost 505,875     504,879            
Investments at fair value 494,850     473,931            
SLP IV | Unfunded Investments                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 429     1,973            
Cost (2)     (4)            
Investments at fair value $ 1     $ (169)            
SLP IV | Investment, Identifier [Axis]: ADG, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 1.15% 1.15% 1.15% 4.75% 4.75% 4.75%        
PIK 3.00% 3.00% 3.00% 0.50% 0.50% 0.50%        
Interest Rate 9.54% 9.54% 9.54% 9.69% 9.69% 9.69%        
Principal Amount, Par Value $ 17,269     $ 16,335            
Cost 17,123     16,315            
Investments at fair value $ 15,841     $ 15,674            
SLP IV | Investment, Identifier [Axis]: ADMI Corp. (aka Aspen Dental), First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.18% 9.18% 9.18% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 1,838     $ 1,852            
Cost 1,831     1,844            
Investments at fair value $ 1,718     $ 1,693            
SLP IV | Investment, Identifier [Axis]: Advisor Group Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.50% 4.50% 4.50%        
Interest Rate       8.88% 8.88% 8.88%        
Principal Amount, Par Value       $ 11,577            
Cost       11,513            
Investments at fair value       $ 11,353            
SLP IV | Investment, Identifier [Axis]: Aretec Group, Inc. (fka RCS Capital Corporation), First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50%              
Interest Rate 9.92% 9.92% 9.92%              
Principal Amount, Par Value $ 3,799                  
Cost 3,723                  
Investments at fair value $ 3,779                  
SLP IV | Investment, Identifier [Axis]: Artera Services, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.99% 8.99% 8.99% 8.23% 8.23% 8.23%        
Principal Amount, Par Value $ 4,078     $ 5,275            
Cost 4,065     5,251            
Investments at fair value $ 3,838     $ 4,339            
SLP IV | Investment, Identifier [Axis]: Ascensus Group Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50%              
Interest Rate 8.93% 8.93% 8.93%              
Principal Amount, Par Value $ 5,972                  
Cost 5,950                  
Investments at fair value $ 5,931                  
SLP IV | Investment, Identifier [Axis]: BCPE Empire Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% 4.75% 4.75%              
Interest Rate 10.07% 10.07% 10.07%              
Principal Amount, Par Value $ 4,364                  
Cost 4,322                  
Investments at fair value $ 4,368                  
SLP IV | Investment, Identifier [Axis]: Barracuda Parent, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.87% 9.87% 9.87% 8.59% 8.59% 8.59%        
Principal Amount, Par Value $ 4,963     $ 5,000            
Cost 4,831     4,856            
Investments at fair value $ 4,913     $ 4,822            
SLP IV | Investment, Identifier [Axis]: Bayou Intermediate II, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.97% 9.97% 9.97% 8.96% 8.96% 8.96%        
Principal Amount, Par Value $ 8,963     $ 8,607            
Cost 8,920     8,571            
Investments at fair value $ 8,739     $ 8,305            
SLP IV | Investment, Identifier [Axis]: Bella Holding Company, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.17% 9.17% 9.17% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 1,738     $ 1,751            
Cost 1,733     1,746            
Investments at fair value $ 1,731     $ 1,661            
SLP IV | Investment, Identifier [Axis]: Bleriot US Bidco Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.65% 9.65% 9.65% 8.73% 8.73% 8.73%        
Principal Amount, Par Value $ 3,910     $ 3,940            
Cost 3,891     3,940            
Investments at fair value $ 3,919     $ 3,907            
SLP IV | Investment, Identifier [Axis]: Bracket Intermediate Holding Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00% 4.25% 4.25% 4.25%        
Interest Rate 10.49% 10.49% 10.49% 7.99% 7.99% 7.99%        
Principal Amount, Par Value $ 4,405     $ 4,427            
Cost 4,281     4,418            
Investments at fair value $ 4,409     $ 4,220            
SLP IV | Investment, Identifier [Axis]: Brave Parent Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.52% 9.52% 9.52% 8.38% 8.38% 8.38%        
Principal Amount, Par Value $ 2,326     $ 2,345            
Cost 2,324     2,342            
Investments at fair value $ 2,325     $ 2,278            
SLP IV | Investment, Identifier [Axis]: Brown Group Holding, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.12% 9.12% 9.12% 7.91% 7.91% 7.91%        
Principal Amount, Par Value $ 5,383     $ 5,424            
Cost 5,265     5,293            
Investments at fair value $ 5,386     $ 5,416            
SLP IV | Investment, Identifier [Axis]: CE Intermediate I, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 4.00% 4.00% 4.00%        
Interest Rate 9.02% 9.02% 9.02% 8.59% 8.59% 8.59%        
Principal Amount, Par Value $ 8,115     $ 8,178            
Cost 8,071     8,127            
Investments at fair value $ 8,042     $ 7,779            
SLP IV | Investment, Identifier [Axis]: CHA Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50%              
Interest Rate 10.15% 10.15% 10.15%              
Principal Amount, Par Value $ 1,968                  
Cost 1,965                  
Investments at fair value $ 1,968                  
SLP IV | Investment, Identifier [Axis]: CHA Holdings, Inc., First lien - Funded 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 10.15% 10.15% 10.15% 9.23% 9.23% 9.23%        
Principal Amount, Par Value $ 10,721     $ 1,984            
Cost 10,709     1,979            
Investments at fair value $ 10,721     $ 1,960            
SLP IV | Investment, Identifier [Axis]: CHA Holdings, Inc., First lien - Funded 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.50% 4.50% 4.50%        
Interest Rate       9.23% 9.23% 9.23%        
Principal Amount, Par Value       $ 10,806            
Cost       10,788            
Investments at fair value       $ 10,679            
SLP IV | Investment, Identifier [Axis]: CVET Midco 2, L.P., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00% 5.00% 5.00% 5.00%        
Interest Rate 10.39% 10.39% 10.39% 9.58% 9.58% 9.58%        
Principal Amount, Par Value $ 2,673     $ 2,687            
Cost 2,528     2,529            
Investments at fair value $ 2,653     $ 2,522            
SLP IV | Investment, Identifier [Axis]: Cano Health, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest Rate       8.42% 8.42% 8.42%        
Principal Amount, Par Value       $ 7,478            
Cost       7,473            
Investments at fair value       $ 6,011            
SLP IV | Investment, Identifier [Axis]: CentralSquare Technologies, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.29% 9.29% 9.29% 8.48% 8.48% 8.48%        
Principal Amount, Par Value $ 14,287     $ 14,400            
Cost 14,276     14,385            
Investments at fair value $ 13,585     $ 12,488            
SLP IV | Investment, Identifier [Axis]: Certara Holdco, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50% 3.50%        
Interest Rate       7.88% 7.88% 7.88%        
Principal Amount, Par Value       $ 3,900            
Cost       3,893            
Investments at fair value       $ 3,849            
SLP IV | Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00%              
Interest Rate 9.43% 9.43% 9.43%              
Principal Amount, Par Value $ 7,880                  
Cost 7,848                  
Investments at fair value $ 7,525                  
SLP IV | Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Funded 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest Rate       8.68% 8.68% 8.68%        
Principal Amount, Par Value       $ 999            
Cost       991            
Investments at fair value       $ 853            
SLP IV | Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Funded 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest Rate       8.38% 8.38% 8.38%        
Principal Amount, Par Value       $ 8,014            
Cost       7,979            
Investments at fair value       6,842            
SLP IV | Investment, Identifier [Axis]: Confluent Health, LLC, First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value       759            
Cost       (4)            
Investments at fair value       $ (111)            
SLP IV | Investment, Identifier [Axis]: Confluent Medical Technologies, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.14% 9.14% 9.14% 8.33% 8.33% 8.33%        
Principal Amount, Par Value $ 6,895     $ 6,948            
Cost 6,867     6,916            
Investments at fair value $ 6,826     $ 6,617            
SLP IV | Investment, Identifier [Axis]: Convey Health Solutions, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest Rate 10.74% 10.74% 10.74% 9.83% 9.83% 9.83%        
Principal Amount, Par Value $ 4,950     $ 4,988            
Cost 4,834     4,846            
Investments at fair value $ 4,367     $ 4,838            
SLP IV | Investment, Identifier [Axis]: Cornerstone OnDemand, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.18% 9.18% 9.18% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 3,198     $ 3,222            
Cost 3,186     3,209            
Investments at fair value $ 3,050     $ 2,892            
SLP IV | Investment, Identifier [Axis]: Dealer Tire Financial, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.82% 9.82% 9.82% 8.82% 8.82% 8.82%        
Principal Amount, Par Value $ 10,586     $ 10,666            
Cost 10,563     10,640            
Investments at fair value $ 10,618     $ 10,559            
SLP IV | Investment, Identifier [Axis]: Discovery Purchaser Corporation, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.38% 4.38% 4.38% 4.38% 4.38% 4.38%        
Interest Rate 9.77% 9.77% 9.77% 7.97% 7.97% 7.97%        
Principal Amount, Par Value $ 5,359     $ 5,400            
Cost 4,973     4,976            
Investments at fair value $ 5,179     $ 4,943            
SLP IV | Investment, Identifier [Axis]: Dispatch Acquisition Holdings, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest Rate 9.79% 9.79% 9.79% 8.98% 8.98% 8.98%        
Principal Amount, Par Value $ 9,799     $ 9,875            
Cost 9,706     9,769            
Investments at fair value $ 9,101     $ 8,393            
SLP IV | Investment, Identifier [Axis]: Drilling Info Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.25% 4.25% 4.25%        
Interest Rate       8.63% 8.63% 8.63%        
Principal Amount, Par Value       $ 20,288            
Cost       20,251            
Investments at fair value       $ 19,578            
SLP IV | Investment, Identifier [Axis]: EAB Global, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 9.13% 9.13% 9.13% 7.88% 7.88% 7.88%        
Principal Amount, Par Value $ 2,214     $ 6,422            
Cost 2,207     6,395            
Investments at fair value $ 2,202     $ 6,193            
SLP IV | Investment, Identifier [Axis]: Eisner Advisory Group LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25%              
Interest Rate 10.68% 10.68% 10.68%              
Principal Amount, Par Value $ 1,694                  
Cost 1,632                  
Investments at fair value $ 1,693                  
SLP IV | Investment, Identifier [Axis]: Emerald 2 Limited, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.25% 3.25% 3.25%        
Interest Rate 9.40% 9.40% 9.40% 7.98% 7.98% 7.98%        
Principal Amount, Par Value $ 437     $ 441            
Cost 437     440            
Investments at fair value $ 437     $ 437            
SLP IV | Investment, Identifier [Axis]: Energize Holdco LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75% 3.75%        
Interest Rate       8.13% 8.13% 8.13%        
Principal Amount, Par Value       $ 9,000            
Cost       8,961            
Investments at fair value       $ 8,550            
SLP IV | Investment, Identifier [Axis]: Enverus Holdings, Inc. (fka Drilling Info Holdings, Inc.), First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest Rate 9.67% 9.67% 9.67%              
Principal Amount, Par Value $ 20,129                  
Cost 20,102                  
Investments at fair value $ 19,507                  
SLP IV | Investment, Identifier [Axis]: EyeCare Partners, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.18% 9.18% 9.18% 8.48% 8.48% 8.48%        
Principal Amount, Par Value $ 9,850     $ 9,925            
Cost 9,831     9,904            
Investments at fair value $ 6,944     $ 8,445            
SLP IV | Investment, Identifier [Axis]: Foundational Education Group, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 3.75% 3.75% 3.75%        
Interest Rate 9.88% 9.88% 9.88% 8.59% 8.59% 8.59%        
Principal Amount, Par Value $ 6,386     $ 6,435            
Cost 6,338     6,381            
Investments at fair value $ 6,067     $ 6,048            
SLP IV | Investment, Identifier [Axis]: Geo Parent Corporation, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest Rate 10.80% 10.80% 10.80% 9.44% 9.44% 9.44%        
Principal Amount, Par Value $ 9,634     $ 9,709            
Cost 9,472     9,499            
Investments at fair value $ 9,634     $ 9,470            
SLP IV | Investment, Identifier [Axis]: Greenway Health, LLC (fka Vitera Healthcare Solutions, LLC), First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest Rate 9.18% 9.18% 9.18%              
Principal Amount, Par Value $ 20,565                  
Cost 20,557                  
Investments at fair value $ 18,714                  
SLP IV | Investment, Identifier [Axis]: Greenway Health, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75% 3.75%        
Interest Rate       8.48% 8.48% 8.48%        
Principal Amount, Par Value       $ 20,729            
Cost       20,710            
Investments at fair value       $ 14,536            
SLP IV | Investment, Identifier [Axis]: Heartland Dental, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00%              
Interest Rate 10.33% 10.33% 10.33%              
Principal Amount, Par Value $ 7,624                  
Cost 7,338                  
Investments at fair value $ 7,553                  
SLP IV | Investment, Identifier [Axis]: Heartland Dental, LLC, First lien - Funded 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75% 3.75%        
Interest Rate       8.13% 8.13% 8.13%        
Principal Amount, Par Value       $ 3,535            
Cost       3,529            
Investments at fair value       $ 3,280            
SLP IV | Investment, Identifier [Axis]: Heartland Dental, LLC, First lien - Funded 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest Rate       8.39% 8.39% 8.39%        
Principal Amount, Par Value       $ 6,206            
Cost       6,186            
Investments at fair value       $ 5,785            
SLP IV | Investment, Identifier [Axis]: Help/Systems Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.47% 9.47% 9.47% 8.19% 8.19% 8.19%        
Principal Amount, Par Value $ 9,733     $ 9,808            
Cost 9,711     9,782            
Investments at fair value $ 9,358     $ 8,867            
SLP IV | Investment, Identifier [Axis]: Houghton Mifflin Harcourt Company, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest Rate 10.67% 10.67% 10.67% 9.67% 9.67% 9.67%        
Principal Amount, Par Value $ 4,826     $ 4,037            
Cost 4,667     3,926            
Investments at fair value $ 4,549     $ 3,854            
SLP IV | Investment, Identifier [Axis]: Hub International Limited, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest Rate 9.58% 9.58% 9.58%              
Principal Amount, Par Value $ 2,761                  
Cost 2,733                  
Investments at fair value $ 2,773                  
SLP IV | Investment, Identifier [Axis]: Hunter Holdco 3 Limited, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest Rate 9.74% 9.74% 9.74% 8.98% 8.98% 8.98%        
Principal Amount, Par Value $ 3,949     $ 3,949            
Cost 3,920     3,916            
Investments at fair value $ 3,946     $ 3,886            
SLP IV | Investment, Identifier [Axis]: Idera, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.27% 9.27% 9.27% 7.50% 7.50% 7.50%        
Principal Amount, Par Value $ 9,154     $ 9,224            
Cost 9,100     9,162            
Investments at fair value $ 9,089     $ 8,723            
SLP IV | Investment, Identifier [Axis]: Kestra Advisor Services Holdings A, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%        
Interest Rate 9.74% 9.74% 9.74% 8.98% 8.98% 8.98%        
Principal Amount, Par Value $ 5,388     $ 5,430            
Cost 5,355     5,389            
Investments at fair value $ 5,387     $ 5,265            
SLP IV | Investment, Identifier [Axis]: LSCS Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.61% 4.61% 4.61% 4.50% 4.50% 4.50%        
Interest Rate 9.93% 9.93% 9.93% 8.88% 8.88% 8.88%        
Principal Amount, Par Value $ 8,604     $ 8,669            
Cost 8,572     8,634            
Investments at fair value 8,491     8,290            
SLP IV | Investment, Identifier [Axis]: Largest Portfolio Company Investment                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value $ 21,808     $ 21,982            
SLP IV | Investment, Identifier [Axis]: MH Sub I, LLC (Micro Holding Corp.), First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25% 3.75% 3.75% 3.75%        
Interest Rate 9.57% 9.57% 9.57% 8.13% 8.13% 8.13%        
Principal Amount, Par Value $ 4,795     $ 7,818            
Cost 4,683     7,805            
Investments at fair value $ 4,646     $ 7,606            
SLP IV | Investment, Identifier [Axis]: Mamba Purchaser, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50% 3.50%        
Interest Rate       7.89% 7.89% 7.89%        
Principal Amount, Par Value       $ 4,092            
Cost       4,075            
Investments at fair value       $ 3,919            
SLP IV | Investment, Identifier [Axis]: Mandolin Technology Intermediate Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.29% 9.29% 9.29% 8.16% 8.16% 8.16%        
Principal Amount, Par Value $ 9,825     $ 9,900            
Cost 9,790     9,859            
Investments at fair value $ 9,014     $ 9,281            
SLP IV | Investment, Identifier [Axis]: Maverick Bidco Inc., First lien - Funded - 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.00% 5.00% 5.00%              
Interest Rate 10.47% 10.47% 10.47%              
Principal Amount, Par Value $ 1,990                  
Cost 1,906                  
Investments at fair value $ 1,942                  
SLP IV | Investment, Identifier [Axis]: Maverick Bidco Inc., First lien - Funded - 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest Rate 9.12% 9.12% 9.12%              
Principal Amount, Par Value $ 7,861                  
Cost 7,833                  
Investments at fair value $ 7,671                  
SLP IV | Investment, Identifier [Axis]: Maverick Bidco Inc., First lien - Funded 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       5.00% 5.00% 5.00%        
Interest Rate       9.28% 9.28% 9.28%        
Principal Amount, Par Value       $ 2,000            
Cost       1,905            
Investments at fair value       $ 1,901            
SLP IV | Investment, Identifier [Axis]: Maverick Bidco Inc., First lien - Funded 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75% 3.75%        
Interest Rate       8.16% 8.16% 8.16%        
Principal Amount, Par Value       $ 7,921            
Cost       7,889            
Investments at fair value       $ 7,527            
SLP IV | Investment, Identifier [Axis]: Mavis Tire Express Services Topco Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.43% 9.43% 9.43% 8.50% 8.50% 8.50%        
Principal Amount, Par Value $ 8,284     $ 8,348            
Cost 8,255     8,314            
Investments at fair value $ 8,281     $ 7,985            
SLP IV | Investment, Identifier [Axis]: Mercury Borrower, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50% 3.50%        
Interest Rate       8.25% 8.25% 8.25%        
Principal Amount, Par Value       $ 6,188            
Cost       6,162            
Investments at fair value       $ 5,917            
SLP IV | Investment, Identifier [Axis]: National Intergovernmental Purchasing Alliance Company, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50% 3.50%        
Interest Rate       8.08% 8.08% 8.08%        
Principal Amount, Par Value       $ 1,319            
Cost       1,320            
Investments at fair value       $ 1,308            
SLP IV | Investment, Identifier [Axis]: Netsmart, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.43% 9.43% 9.43% 8.38% 8.38% 8.38%        
Principal Amount, Par Value $ 6,842     $ 6,894            
Cost 6,842     6,895            
Investments at fair value $ 6,852     $ 6,658            
SLP IV | Investment, Identifier [Axis]: Nielsen Consumer Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 6.25% 6.25% 6.25%              
Interest Rate 11.57% 11.57% 11.57%              
Principal Amount, Par Value $ 9,975                  
Cost 8,921                  
Investments at fair value $ 9,828                  
SLP IV | Investment, Identifier [Axis]: OEConnection LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.42% 9.42% 9.42% 8.42% 8.42% 8.42%        
Principal Amount, Par Value $ 4,050     $ 4,081            
Cost 4,029     4,056            
Investments at fair value $ 4,042     $ 3,899            
SLP IV | Investment, Identifier [Axis]: OMNIA Partners, LLC , First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest Rate 9.60% 9.60% 9.60%              
Principal Amount, Par Value $ 4,566                  
Cost 4,521                  
Investments at fair value 4,574                  
SLP IV | Investment, Identifier [Axis]: OMNIA Partners, LLC , First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value 429                  
Cost (2)                  
Investments at fair value $ 1                  
SLP IV | Investment, Identifier [Axis]: Optiv Parent Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25%              
Interest Rate 10.34% 10.34% 10.34%              
Principal Amount, Par Value $ 5,093                  
Cost 4,934                  
Investments at fair value $ 4,927                  
SLP IV | Investment, Identifier [Axis]: Osaic Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50%              
Interest Rate 9.82% 9.82% 9.82%              
Principal Amount, Par Value $ 11,518                  
Cost 11,405                  
Investments at fair value $ 11,537                  
SLP IV | Investment, Identifier [Axis]: Pearls (Netherlands) Bidco B.V., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.12% 9.12% 9.12% 7.84% 7.84% 7.84%        
Principal Amount, Par Value $ 1,323     $ 1,333            
Cost 1,320     1,330            
Investments at fair value $ 1,319     $ 1,298            
SLP IV | Investment, Identifier [Axis]: PetVet Care Centers, LLC (fka Pearl Intermediate Parent LLC), First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.92% 8.92% 8.92% 7.88% 7.88% 7.88%        
Principal Amount, Par Value $ 7,914     $ 7,975            
Cost 7,905     7,962            
Investments at fair value $ 7,885     $ 7,537            
SLP IV | Investment, Identifier [Axis]: Physician Partners, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.42% 9.42% 9.42% 8.42% 8.42% 8.42%        
Principal Amount, Par Value $ 3,205     $ 4,252            
Cost 3,180     4,214            
Investments at fair value $ 3,049     $ 4,068            
SLP IV | Investment, Identifier [Axis]: Premise Health Holding Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.34% 9.34% 9.34% 7.92% 7.92% 7.92%        
Principal Amount, Par Value $ 1,931     $ 1,946            
Cost 1,928     1,942            
Investments at fair value $ 1,892     $ 1,888            
SLP IV | Investment, Identifier [Axis]: Project Boost Purchaser, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.50% 3.50% 3.50%        
Interest Rate       7.88% 7.88% 7.88%        
Principal Amount, Par Value       $ 2,463            
Cost       2,458            
Investments at fair value       $ 2,377            
SLP IV | Investment, Identifier [Axis]: RLG Holdings, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.00% 4.00% 4.00%        
Interest Rate       8.38% 8.38% 8.38%        
Principal Amount, Par Value       $ 4,719            
Cost       4,700            
Investments at fair value       $ 4,456            
SLP IV | Investment, Identifier [Axis]: RealPage, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%        
Interest Rate 8.43% 8.43% 8.43% 7.38% 7.38% 7.38%        
Principal Amount, Par Value $ 2,580     $ 3,628            
Cost 2,577     3,617            
Investments at fair value $ 2,556     $ 3,460            
SLP IV | Investment, Identifier [Axis]: Renaissance Holding Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% 4.75% 4.75%              
Interest Rate 10.07% 10.07% 10.07%              
Principal Amount, Par Value $ 5,114                  
Cost 4,968                  
Investments at fair value $ 5,081                  
SLP IV | Investment, Identifier [Axis]: STATS Intermediate Holdings, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 7.25% 7.25% 7.25% 7.25% 7.25% 7.25%        
Interest Rate 12.89% 12.89% 12.89% 11.52% 11.52% 11.52%        
Principal Amount, Par Value $ 2,277     $ 2,294            
Cost 2,203     2,204            
Investments at fair value $ 2,188     $ 2,202            
SLP IV | Investment, Identifier [Axis]: Sierra Enterprises, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 2.50% 2.50% 2.50% 4.00% 4.00% 4.00%        
PIK 4.25% 4.25% 4.25%              
Interest Rate 12.12% 12.12% 12.12% 8.41% 8.41% 8.41%        
Principal Amount, Par Value $ 4,316     $ 4,172            
Cost 4,309     4,164            
Investments at fair value $ 4,000     $ 2,910            
SLP IV | Investment, Identifier [Axis]: Snap One Holdings Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 10.04% 10.04% 10.04% 8.88% 8.88% 8.88%        
Principal Amount, Par Value $ 8,520     $ 8,584            
Cost 8,452     8,509            
Investments at fair value $ 8,278     $ 7,898            
SLP IV | Investment, Identifier [Axis]: Sovos Brands Intermediate, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 9.13% 9.13% 9.13% 7.91% 7.91% 7.91%        
Principal Amount, Par Value $ 3,904     $ 8,290            
Cost 3,897     8,273            
Investments at fair value $ 3,911     $ 8,110            
SLP IV | Investment, Identifier [Axis]: Spring Education Group, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50%              
Interest Rate 9.91% 9.91% 9.91%              
Principal Amount, Par Value $ 9,526                  
Cost 9,407                  
Investments at fair value $ 9,407                  
SLP IV | Investment, Identifier [Axis]: Storable, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.82% 8.82% 8.82% 7.98% 7.98% 7.98%        
Principal Amount, Par Value $ 3,930     $ 3,960            
Cost 3,913     3,940            
Investments at fair value $ 3,910     $ 3,788            
SLP IV | Investment, Identifier [Axis]: Symplr Software, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.97% 9.97% 9.97% 8.69% 8.69% 8.69%        
Principal Amount, Par Value $ 3,736     $ 3,765            
Cost 3,729     3,756            
Investments at fair value $ 3,354     $ 3,163            
SLP IV | Investment, Identifier [Axis]: Syndigo LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.93% 9.93% 9.93% 8.84% 8.84% 8.84%        
Principal Amount, Par Value $ 9,685     $ 9,760            
Cost 9,672     9,744            
Investments at fair value $ 9,080     $ 9,497            
SLP IV | Investment, Identifier [Axis]: TRC Companies LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75%              
Interest Rate 9.18% 9.18% 9.18%              
Principal Amount, Par Value $ 8,932                  
Cost 8,897                  
Investments at fair value $ 8,832                  
SLP IV | Investment, Identifier [Axis]: Therapy Brands Holdings LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.43% 9.43% 9.43% 8.35% 8.35% 8.35%        
Principal Amount, Par Value $ 5,984     $ 6,030            
Cost 5,961     6,004            
Investments at fair value $ 5,745     $ 5,668            
SLP IV | Investment, Identifier [Axis]: Thermostat Purchaser III, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 10.07% 10.07% 10.07% 9.23% 9.23% 9.23%        
Principal Amount, Par Value $ 4,698     $ 4,288            
Cost 4,679     4,270            
Investments at fair value 4,653     4,143            
SLP IV | Investment, Identifier [Axis]: Thermostat Purchaser III, Inc., First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value       669            
Cost       0            
Investments at fair value       (23)            
SLP IV | Investment, Identifier [Axis]: Top Five Largest Portfolio Company Investments                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value $ 94,058     $ 93,734            
SLP IV | Investment, Identifier [Axis]: USIC Holdings, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%        
Interest Rate 8.93% 8.93% 8.93% 7.88% 7.88% 7.88%        
Principal Amount, Par Value $ 2,979     $ 3,801            
Cost 2,972     3,788            
Investments at fair value $ 2,938     $ 3,638            
SLP IV | Investment, Identifier [Axis]: VT Topco, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.25% 4.25% 4.25%              
Interest Rate 9.56% 9.56% 9.56%              
Principal Amount, Par Value $ 7,289                  
Cost 7,216                  
Investments at fair value $ 7,292                  
SLP IV | Investment, Identifier [Axis]: VT Topco, Inc., First lien - Funded 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75% 3.75%        
Interest Rate       6.16% 6.16% 6.16%        
Principal Amount, Par Value       $ 308            
Cost       306            
Investments at fair value       $ 293            
SLP IV | Investment, Identifier [Axis]: VT Topco, Inc., First lien - Funded 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75% 3.75%        
Interest Rate       8.13% 8.13% 8.13%        
Principal Amount, Par Value       $ 8,378            
Cost       8,350            
Investments at fair value       8,154            
SLP IV | Investment, Identifier [Axis]: VT Topco, Inc., First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value       251            
Cost       0            
Investments at fair value       $ (7)            
SLP IV | Investment, Identifier [Axis]: Valcour Packaging, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%        
Interest Rate 9.40% 9.40% 9.40% 7.98% 7.98% 7.98%        
Principal Amount, Par Value $ 3,252     $ 3,276            
Cost 3,244     3,268            
Investments at fair value $ 2,653     $ 2,744            
SLP IV | Investment, Identifier [Axis]: Virtusa Corporation, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       3.75% 3.75% 3.75%        
Interest Rate       8.17% 8.17% 8.17%        
Principal Amount, Par Value       $ 2,281            
Cost       2,260            
Investments at fair value       $ 2,208            
SLP IV | Investment, Identifier [Axis]: WatchGuard Technologies, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%        
Interest Rate 10.57% 10.57% 10.57% 9.57% 9.57% 9.57%        
Principal Amount, Par Value $ 4,050     $ 4,081            
Cost 3,816     3,824            
Investments at fair value $ 3,825     $ 3,915            
SLP IV | Investment, Identifier [Axis]: Wrench Group LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.65% 9.65% 9.65% 8.73% 8.73% 8.73%        
Principal Amount, Par Value $ 9,395     $ 9,469            
Cost 9,358     9,421            
Investments at fair value $ 9,389     $ 9,155            
SLP IV | Investment, Identifier [Axis]: YI, LLC, First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%        
Interest Rate 9.42% 9.42% 9.42% 8.38% 8.38% 8.38%        
Principal Amount, Par Value $ 21,808     $ 21,982            
Cost 21,803     21,975            
Investments at fair value $ 21,699     $ 21,251            
SLP IV | Investment, Identifier [Axis]: Zest Acquisition Corp., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 5.50% 5.50% 5.50%              
Interest Rate 10.82% 10.82% 10.82%              
Principal Amount, Par Value $ 3,150                  
Cost 3,038                  
Investments at fair value $ 3,092                  
SLP IV | Investment, Identifier [Axis]: Zone Climate Services, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% 4.75% 4.75%              
Interest Rate 10.23% 10.23% 10.23%              
Principal Amount, Par Value $ 9,875                  
Cost 9,720                  
Investments at fair value $ 9,853                  
SLP IV | Investment, Identifier [Axis]: Zone Climate Services, Inc., First lien - Funded 1                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.75% 4.75% 4.75% 4.75% 4.75% 4.75%        
Interest Rate 10.23% 10.23% 10.23% 8.62% 8.62% 8.62%        
Principal Amount, Par Value $ 2,171     $ 9,950            
Cost 2,137     9,773            
Investments at fair value $ 2,166     $ 9,791            
SLP IV | Investment, Identifier [Axis]: Zone Climate Services, Inc., First lien - Funded 2                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread       4.75% 4.75% 4.75%        
Interest Rate       8.64% 8.64% 8.64%        
Principal Amount, Par Value       $ 2,187            
Cost       2,149            
Investments at fair value       $ 2,152            
SLP IV | Investment, Identifier [Axis]: athenahealth Group Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 3.25% 3.25% 3.25% 3.50% 3.50% 3.50%        
Interest Rate 8.57% 8.57% 8.57% 7.82% 7.82% 7.82%        
Principal Amount, Par Value $ 2,379     $ 2,397            
Cost 2,370     2,387            
Investments at fair value $ 2,340     2,171            
SLP IV | Investment, Identifier [Axis]: athenahealth Group Inc., First lien - Unfunded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Principal Amount, Par Value       294            
Cost       0            
Investments at fair value       $ (28)            
SLP IV | Investment, Identifier [Axis]: eResearchTechnology, Inc., First lien - Funded                    
Investment Company, Nonconsolidated Subsidiary [Line Items]                    
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%        
Interest Rate 9.93% 9.93% 9.93% 8.88% 8.88% 8.88%        
Principal Amount, Par Value $ 4,351     $ 4,384            
Cost 4,328     4,357            
Investments at fair value $ 4,273     $ 3,895            
[1] New Mountain Finance Corporation (the "Company") generally acquires its investments in private transactions exempt from registration under the Securities Act of 1933, as amended (the "Securities Act"). These investments are generally subject to certain limitations on resale, and may be deemed to be "restricted securities" under the Securities Act
[2] New Mountain Finance Corporation (the "Company") generally acquires its investments in private transactions exempt from registration under the Securities Act of 1933, as amended (the "Securities Act"). These investments are generally subject to certain limitations on resale, and may be deemed to be "restricted securities" under the Securities Act.
[3] The fair value of the Company's investment is determined using unobservable inputs that are significant to the overall fair value measurement. See Note 4. Fair Value, for details.
[4] Investment is pledged as collateral for the NMFC Credit Facility, a revolving credit facility among the Company as the Borrower and Goldman Sachs Bank USA as the Administrative Agent and the Collateral Agent and Goldman Sachs Bank USA, Morgan Stanley Bank, N.A., Stifel Bank & Trust and MUFG Union Bank, N.A. as Lenders. See Note 7. Borrowings, for details.
[5] The fair value of the Company's investment is determined using unobservable inputs that are significant to the overall fair value measurement. See Note 4. Fair Value, for details.
[6] Investment is pledged as collateral for the NMFC Credit Facility, a revolving credit facility among the Company as the Borrower and Goldman Sachs Bank USA as the Administrative Agent and the Collateral Agent and Goldman Sachs Bank USA, Morgan Stanley Bank, N.A., Stifel Bank & Trust and MUFG Union Bank, N.A. as Lenders. See Note 7. Borrowings, for details.
[7] The Company holds ordinary shares in AAC Lender Holdings, LLC and a first lien term loan, first lien revolver and subordinated notes in American Achievement Corporation, a partially-owned subsidiary of AAC Lender Holdings, LLC.
[8] Investment is pledged as collateral for the Holdings Credit Facility, a revolving credit facility among the Company, as the Collateral Manager, New Mountain Finance Holdings, L.L.C. ("NMF Holdings") as the Borrower, Wells Fargo Securities, LLC, as the Administrative Agent and Wells Fargo Bank, National Association, as the Lender and Collateral Custodian. See Note 7. Borrowings, for details.
[9] Par value amounts represent the drawn or undrawn (as indicated in type of investment) portion of revolving credit facilities or delayed draws. Cost amounts represent the cash received at settlement date net of the impact of paydowns and cash paid for drawn revolvers or delayed draws.
[10] Par value amounts represent the drawn or undrawn (as indicated in type of investment) portion of revolving credit facilities or delayed draws. Cost amounts represent the cash received at settlement date net of the impact of paydowns and cash paid for drawn revolvers or delayed draws.
[11] Total Coupon is payable in cash unless otherwise indicated. A majority of the variable rate debt investments bear interest and dividends at a rate that may be determined by reference to the London Interbank Offered Rate (L), the Prime Rate (P), the Sterling Overnight Interbank Average Rate (SONIA), Secured Overnight Financing Rate (SOFR), Euro Interbank Offered Rate (EURIBOR) and the alternative base rate (Base) and which resets daily (D), weekly (W), monthly (M), quarterly (Q), semi-annually (S) or annually (A). For each investment the current coupon rate provided reflects the rate in effect as of September 30, 2023.
[12] All interest is payable in cash unless otherwise indicated. A majority of the variable rate debt investments bear interest at a rate that may be determined by reference to the London Interbank Offered Rate (L), the Prime Rate (P), the Sterling Overnight Interbank Average Rate (SONIA), Secured Overnight Financing Rate (SOFR), Euro Interbank Offered Rate (EURIBOR) and the alternative base rate (Base) and which resets daily (D), weekly (W), monthly (M), quarterly (Q), semi-annually (S) or annually (A). For each investment the current interest rate provided reflects the rate in effect as of December 31, 2022.
[13] Par amount is denominated in United States Dollar unless otherwise noted, which may include British Pound ("£") and/or Euro ("€").
[14] Par amount is denominated in United States Dollar unless otherwise noted, British Pound ("£") and/or Euro ("€").
[15] Investment is held in New Mountain Finance SBIC, L.P.
[16] Investment is held in New Mountain Finance SBIC, L.P.
[17] Investment is pledged as collateral for the DB Credit Facility, a revolving credit facility among New Mountain Finance DB, L.L.C. as the Borrower and Deutsche Bank AG, New York Branch as the Facility Agent. See Note 7. Borrowings, for details.
[18] Investment is pledged as collateral for the DB Credit Facility, a revolving credit facility among New Mountain Finance DB, L.L.C as the Borrower and Deutsche Bank AG, New York Branch as the Facility Agent. See Note 7. Borrowings, for details.
[19] All or a portion of interest contains PIK interest. See Note 2. Summary of Significant Accounting Policies-Revenue Recognition, for details.
[20] All or a portion of interest contains PIK interest.
[21] Investment is pledged as collateral for the Holdings Credit Facility, a revolving credit facility among the Company, as the Collateral Manager, New Mountain Finance Holdings, L.L.C. ("NMF Holdings") as the Borrower, Wells Fargo Securities, LLC, as the Administrative Agent and Wells Fargo Bank, National Association, as the Lender and Collateral Custodian. See Note 7. Borrowings, for details.
[22] The Company holds investments in ACI Parent Inc. and a wholly-owned subsidiary of ACI Parent Inc. The Company holds a first lien term loan, a first lien delayed draw and a first lien revolver in ACI Group Holdings, Inc. and preferred equity in ACI Parent Inc. The preferred equity in ACI Parent Inc. is entitled to receive cumulative preferential dividends at a rate of 11.75% per annum.
[23] The Company holds investments in ACI Parent Inc. and a wholly-owned subsidiary of ACI Parent Inc. The Company holds a first lien term loan, a first lien delayed draw and a first lien revolver in ACI Group Holdings, Inc. and preferred equity in ACI Parent Inc. The preferred equity in ACI Parent Inc. is entitled to receive cumulative preferential dividends at a rate of 11.75% per annum.
[24] The Company holds ordinary shares in AAC Lender Holdings, LLC and two first lien term loans, a first lien revolver and subordinated notes in American Achievement Corporation, a partially-owned subsidiary of AAC Lender Holdings, LLC.
[25] Investment is on non-accrual status. See Note 3. Investments, for details.
[26] Investment or a portion of the investment is on non-accrual status. See Note 3. Investments, for details.
[27] Investment is held in NMF Ancora Holdings, Inc.
[28] Investment is held in NMF Ancora Holdings, Inc.
[29] The Company holds investments in two wholly-owned subsidiaries of Appriss Health Holdings, Inc. The company holds a first lien term loan and a first lien revolver in Appriss Health, LLC, and preferred equity in Appriss Health Intermediate Holdings, Inc. The preferred equity is entitled to receive preferential dividends at a rate of 11.00% per annum.
[30] Indicates assets that the Company deems to be “non-qualifying assets” under Section 55(a) of the 1940 Act. Qualifying assets must represent at least 70.0% of the Company’s total assets at the time of acquisition of any additional non-qualifying assets. As of September 30, 2023, 15.9% of the Company’s total assets are represented by investments at fair value that are considered non-qualifying assets.
[31] Indicates assets that the Company deems to be “non-qualifying assets” under Section 55(a) of the 1940 Act. Qualifying assets must represent at least 70.0% of the Company’s total assets at the time of acquisition of any additional non-qualifying assets. As of December 31, 2022, 15.3% of the Company’s total assets are represented by investments at fair value that are considered non-qualifying assets.
[32] The Company holds preferred equity in Bach Special Limited (Bach Preference Limited) that is entitled to receive cumulative preferential dividends at a rate of 12.25% per annum payable in additional shares.
[33] Investment is held in New Mountain Finance SBIC II, L.P.
[34] Investment is held in New Mountain Finance SBIC II, L.P.
[35] The Company holds preferred equity in Dealer Tire Holdings, LLC that is entitled to receive cumulative preferential dividends at a rate of 7.00% per annum.
[36] The Company holds investments in two wholly-owned subsidiary of Diamond Parent Holdings Corp. The Company holds three first lien term loans and a first lien revolver in Diligent Corporation and preferred equity in Diligent Preferred Issuer Inc. The preferred equity in Diligent Preferred Issuer Inc. is entitled to receive cumulative preferential dividends at a rate 10.5% per annum.
[37] The Company holds investments in two wholly-owned subsidiary of Diamond Parent Holdings Corp. The Company holds three first lien term loans and a first lien revolver in Diligent Corporation and preferred equity in Diligent Preferred Issuer Inc. The preferred equity in Diligent Preferred Issuer Inc. is entitled to receive cumulative preferential dividends at a rate 10.50% per annum.
[38] The Company holds ordinary shares in TVG-Edmentum Holdings, LLC, and subordinated notes in Edmentum Ultimate Holdings, LLC, a wholly-owned subsidiary of TVG-Edmentum Holdings, LLC. The ordinary shares are entitled to receive cumulative preferential dividends at a rate of 12.0% per annum.
[39] The Company holds ordinary shares in FS WhiteWater Holdings, LLC, and a first lien term loan, a first lien revolver, and two first lien delayed draws in FS WhiteWater Borrower, LLC, a partially-owned subsidiary of FS WhiteWater Holdings, LLC.
[40] Investment is held in NMF HB, Inc.
[41] Investment is held in NMF HB, Inc.
[42] The Company holds preferred equity in HB Wealth Management, LLC that is entitled to receive cumulative preferential dividends at a rate of 4.00% per annum.
[43] Investment is held in NMF TRM, LLC.
[44] Investment is held in NMF TRM, LLC.
[45] Investment is held in NMF QID NGL Holdings, Inc.
[46] Investment is held in NMF QID NGL Holdings, Inc.
[47] The Company holds investments in multiple entities of Haven Midstream Holdings LLC. The Company holds 4.6% of the Class B profits interest in QID NGL, LLC (which at closing represented 97.0% of the ownership in the class B units in QID TRH Holdings, LLC), class A common units of Haven Midstream Holdings LLC, and holds a first lien revolver in Haven Midstream LLC.
[48] The Company holds investments in multiple entities of Haven Midstream Holdings LLC. The Company holds 4.6% of the Class B profits interest in QID NGL, LLC (which at closing represented 97% of the ownership in the class B units in QID TRH Holdings, LLC), class A common units of Haven Midstream Holdings LLC., and holds a first lien revolver in Haven Midstream Holdings LLC.
[49] The Company holds preferred equity in Knockout Intermediate Holdings I Inc. and a first lien term loan, a first lien revolver and a first lien delayed draw in Kaseya, Inc., a wholly-owned subsidiary of Knockout Intermediate Holdings I Inc. The preferred equity is entitled to received cumulative preferential dividends at a rate of 11.75% per annum.
[50] The Company holds preferred equity in Knockout Intermediate Holdings I Inc. and a first lien term loan, a first lien revolver and a first lien delayed draw in Kaseya, Inc., a wholly-owned subsidiary of Knockout Intermediate Holdings I Inc. The preferred equity is entitled to received cumulative preferential dividends at a rate of 11.75% per annum.
[51] The Company holds ordinary shares and warrants in NHME Holdings Corp., as well as a Tranche A Term Loan in National HME, Inc., a wholly-owned subsidiary of NHME Holdings Corp.
[52] The Company holds ordinary shares and warrants in NHME Holdings Corp., as well as a Tranche A Term Loan and Tranche B Term Loan in National HME, Inc., a whollyowned subsidiary of NHME Holdings Corp.
[53] Investment is held in New Mountain Net Lease Corporation.
[54] Investment is held in New Mountain Net Lease Corporation.
[55] The Company holds ordinary shares in OA Topco, L.P., and two first lien term loans and a first lien revolver in OA Buyer, Inc., a wholly-owned subsidiary of OA Topco, L.P.
[56] The Company holds ordinary shares in OA Topco, L.P., and a first lien term loan and a first lien revolver in OA Buyer, Inc., a wholly-owned subsidiary of OA Topco, L.P.
[57] Investment is held in NMF OEC, Inc.
[58] The Company holds preferred equity in OEC Holdco, LLC, and two second lien term loans in OEConnection LLC, a wholly-owned subsidiary of OEC Holdco, LLC. The preferred equity is entitled to receive preferential dividends of 11.0% per annum.
[59] Investment is held in NMF OEC, Inc.
[60] The Company holds preferred equity in OEC Holdco, LLC, and two second lien term loans in OEConnection LLC, a wholly-owned subsidiary of OEC Holdco, LLC. The preferred equity is entitled to receive prefenential dividends of 11.00% per annum.
[61] The Company holds one security purchased under a collateralized agreement to resell on its Consolidated Statement of Assets and Liabilities with a cost basis of $30,000 and a fair value of $16,500 as of September 30, 2023. See Note 2. Summary of Significant Accounting Policies, for details.
[62] The Company holds one security purchased under a collateralized agreement to resell on its Consolidated Statement of Assets and Liabilities with a cost basis of $30,000 and a fair value of $16,539 as of December 31, 2022. See Note 2. Summary of Significant Accounting Policies, for details.
[63] Investment is held in NMF Permian Holdings, LLC.
[64] Investment is held in NMF Permian Holdings, LLC.
[65] The Company holds ordinary shares in Pioneer Topco I, L.P., and two first lien term loans and a first lien revolver in Pioneer Buyer I, LLC, a wholly-owned subsidiary of Pioneer Topco I, L.P.
[66] The Company holds ordinary shares in Pioneer Topco I, L.P., and a first lien term loan and a first lien revolver in Pioneer Buyer I, LLC, a wholly-owned subsidiary of Pioneer Topco I, L.P.
[67] Investment is held in NMF Pioneer, Inc.
[68] Investment is held in NMF Pioneer, Inc.
[69] The Company holds preferred equity in Project Essential Super Parent, LLC that is entitled to receive cumulative preferential dividends at a rate of L + 9.50% per annum.
[70] Investment is denominated in foreign currency and is translated into U.S. dollars as of the valuation date. As of September 30, 2023, the par value U.S. dollar equivalent of the first lien term loan and drawn first lien term loan is $15,906 and $13,774, respectively. See Note 2. Summary of Significant Accounting Policies, for details.
[71] Investment is denominated in foreign currency and is translated into U.S. dollars as of the valuation date. As of December 31, 2022, the par value U.S. dollar equivalent of the first lien term loan, and drawn first lien term loan is $15,562 and $13,941, respectively. See Note 2. Summary of Significant Accounting Policies, for details.
[72] The Company holds preferred equity in UniTek Global Services, Inc. that is entitled to received cumulative preferential dividends at a rate of 20.0% per annum payable in additional shares.
[73] The Company holds preferred equity in UniTek Global Services, Inc. that is entitled to receive cumulative preferential dividends at a rate of 19.0% per annum payable in additional shares.
[74] The Company holds preferred equity in UniTek Global Services, Inc. that is entitled to receive cumulative preferential dividends at a rate of 13.5% per annum payable in additional shares.