v3.26.1
Investments - Individual Investments in the Portfolios of SLP IV (Details)
€ in Thousands, £ in Thousands, $ in Thousands
Jun. 30, 2026
USD ($)
Jun. 30, 2026
EUR (€)
Jun. 30, 2026
GBP (£)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
EUR (€)
Dec. 31, 2025
GBP (£)
Dec. 31, 2024
USD ($)
Sep. 30, 2023
USD ($)
Sep. 30, 2021
USD ($)
Mar. 31, 2021
USD ($)
Mar. 30, 2020
May 03, 2013
USD ($)
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost $ 2,464,428 [1]     $ 2,912,115 [2]                
Fair Value 2,289,805 [1]     2,742,013 [2]                
Investment, Identifier [Axis]: AAC Lender Holdings, LLC | Ordinary Shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[4],[5] 0                      
Fair Value [3],[4],[5] 0                      
Investment, Identifier [Axis]: AAC Lender Holdings, LLC | Ordinary shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [6],[7],[8]       0                
Fair Value [6],[7],[8]       0                
Investment, Identifier [Axis]: AAH Topco, LLC | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 3,659 [3],[4],[9],[10]     3,659 [7],[8],[11],[12]                
Cost (37) [3],[4],[10]     (37) [7],[8],[12]                
Fair Value $ 0 [3],[4],[10]     $ 0 [7],[8],[12]                
Investment, Identifier [Axis]: AAH Topco, LLC | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.25% [3],[13] 5.25% [3],[13] 5.25% [3],[13] 5.25% [7],[14],[15] 5.25% [7],[14],[15] 5.25% [7],[14],[15]            
Interest rate 8.99% [3],[13],[16] 8.99% [3],[13],[16] 8.99% [3],[13],[16] 9.07% [7],[14],[15],[17] 9.07% [7],[14],[15],[17] 9.07% [7],[14],[15],[17]            
Principal Amount or Par Value $ 9,451 [3],[9],[13]     $ 22,502 [7],[11],[14],[15]                
Cost 9,422 [3],[13]     22,398 [7],[14],[15]                
Fair Value $ 9,451 [3],[13]     $ 22,502 [7],[14],[15]                
Investment, Identifier [Axis]: AAH Topco, LLC | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.25% [3],[13] 5.25% [3],[13] 5.25% [3],[13] 5.25% [7],[8],[18] 5.25% [7],[8],[18] 5.25% [7],[8],[18]            
Interest rate 8.99% [3],[13],[16] 8.99% [3],[13],[16] 8.99% [3],[13],[16] 9.07% [7],[8],[17],[18] 9.07% [7],[8],[17],[18] 9.07% [7],[8],[17],[18]            
Principal Amount or Par Value $ 7,263 [3],[9],[13]     $ 20,009 [7],[8],[11],[18]                
Cost 7,237 [3],[13]     19,932 [7],[8],[18]                
Fair Value $ 7,263 [3],[13]     $ 20,009 [7],[8],[18]                
Investment, Identifier [Axis]: AAH Topco, LLC | First lien 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.25% [3],[19],[20] 5.25% [3],[19],[20] 5.25% [3],[19],[20] 5.25% [7],[21] 5.25% [7],[21] 5.25% [7],[21]            
Interest rate 8.99% [3],[16],[19],[20] 8.99% [3],[16],[19],[20] 8.99% [3],[16],[19],[20] 9.07% [7],[17],[21] 9.07% [7],[17],[21] 9.07% [7],[17],[21]            
Principal Amount or Par Value $ 5,971 [3],[9],[19],[20]     $ 9,500 [7],[11],[21]                
Cost 5,950 [3],[19],[20]     9,463 [7],[21]                
Fair Value $ 5,971 [3],[19],[20]     $ 9,500 [7],[21]                
Investment, Identifier [Axis]: AAH Topco, LLC | First lien 4                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.25% [3],[4],[22] 5.25% [3],[4],[22] 5.25% [3],[4],[22] 5.25% [7],[21] 5.25% [7],[21] 5.25% [7],[21]            
Interest rate 8.99% [3],[4],[16],[22] 8.99% [3],[4],[16],[22] 8.99% [3],[4],[16],[22] 9.07% [7],[17],[21] 9.07% [7],[17],[21] 9.07% [7],[17],[21]            
Principal Amount or Par Value $ 3,491 [3],[4],[9],[22]     $ 7,300 [7],[11],[21]                
Cost 3,481 [3],[4],[22]     7,267 [7],[21]                
Fair Value $ 3,491 [3],[4],[22]     $ 7,300 [7],[21]                
Investment, Identifier [Axis]: AAH Topco, LLC | Subordinated 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK 11.50% [3],[13],[23] 11.50% [3],[13],[23] 11.50% [3],[13],[23] 11.50% [7],[8],[18],[24] 11.50% [7],[8],[18],[24] 11.50% [7],[8],[18],[24]            
Interest rate 11.50% [3],[13],[16] 11.50% [3],[13],[16] 11.50% [3],[13],[16] 11.50% [7],[8],[17],[18] 11.50% [7],[8],[17],[18] 11.50% [7],[8],[17],[18]            
Principal Amount or Par Value $ 7,327 [3],[9],[13]     $ 17,649 [7],[8],[11],[18]                
Cost 7,283 [3],[13]     17,527 [7],[8],[18]                
Fair Value $ 7,241 [3],[13]     $ 17,418 [7],[8],[18]                
Investment, Identifier [Axis]: AAH Topco, LLC | Subordinated 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK 11.50% [3],[4],[22],[23] 11.50% [3],[4],[22],[23] 11.50% [3],[4],[22],[23] 11.50% [7],[21],[24] 11.50% [7],[21],[24] 11.50% [7],[21],[24]            
Interest rate 11.50% [3],[4],[16],[22] 11.50% [3],[4],[16],[22] 11.50% [3],[4],[16],[22] 11.50% [7],[17],[21] 11.50% [7],[17],[21] 11.50% [7],[17],[21]            
Principal Amount or Par Value $ 874 [3],[4],[9],[22]     $ 6,921 [7],[11],[21]                
Cost 868 [3],[4],[22]     6,873 [7],[21]                
Fair Value $ 864 [3],[4],[22]     $ 6,831 [7],[21]                
Investment, Identifier [Axis]: ACI Group Holdings, Inc. | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[12]       5.50% 5.50% 5.50%            
Interest rate [7],[8],[12],[17]       9.27% 9.27% 9.27%            
Principal Amount or Par Value [7],[8],[11],[12]       $ 2,330                
Cost [7],[8],[12]       2,307                
Fair Value [7],[8],[12]       1,864                
Investment, Identifier [Axis]: ACI Group Holdings, Inc. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12],[25]       24                
Cost [7],[8],[12],[25]       0                
Fair Value [7],[8],[12],[25]       $ (5)                
Investment, Identifier [Axis]: ACI Group Holdings, Inc. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[14],[15],[24]       2.75% 2.75% 2.75%            
PIK [7],[14],[15],[24]       3.25% 3.25% 3.25%            
Interest rate [7],[14],[15],[17]       9.77% 9.77% 9.77%            
Principal Amount or Par Value [7],[11],[14],[15]       $ 22,643                
Cost [7],[14],[15]       22,547                
Fair Value [7],[14],[15]       $ 18,114                
Investment, Identifier [Axis]: ACI Group Holdings, Inc. | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[18],[24]       2.75% 2.75% 2.75%            
PIK [7],[8],[18],[24]       3.25% 3.25% 3.25%            
Interest rate [7],[8],[17],[18]       9.77% 9.77% 9.77%            
Principal Amount or Par Value [7],[8],[11],[18]       $ 4,346                
Cost [7],[8],[18]       4,319                
Fair Value [7],[8],[18]       $ 3,477                
Investment, Identifier [Axis]: ACI Group Holdings, Inc. | First lien 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[18],[24]       2.75% 2.75% 2.75%            
PIK [7],[8],[18],[24]       3.25% 3.25% 3.25%            
Interest rate [7],[8],[17],[18]       9.77% 9.77% 9.77%            
Principal Amount or Par Value [7],[8],[11],[18]       $ 4,014                
Cost [7],[8],[18]       3,994                
Fair Value [7],[8],[18]       $ 3,211                
Investment, Identifier [Axis]: ACI Parent Inc. | Preferred shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [7],[8],[24],[25],[26]       11.75% 11.75% 11.75%            
Interest rate [7],[8],[17],[25]       11.75% 11.75% 11.75%            
Principal Amount or Par Value       $ 20,249                
Cost [7],[8],[25]       20,124                
Fair Value [7],[8],[25]       $ 2,087                
Investment, Identifier [Axis]: AI Altius US Bidco, Inc. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[18]       4.75% 4.75% 4.75%            
Interest rate [7],[8],[17],[18]       8.36% 8.36% 8.36%            
Principal Amount or Par Value [7],[8],[11],[18]       $ 3,062                
Cost [7],[8],[18]       3,051                
Fair Value [7],[8],[18]       3,062                
Investment, Identifier [Axis]: AI Altius US Bidco, Inc. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       3,077                
Cost [7],[8],[12]       0                
Fair Value [7],[8],[12]       $ 0                
Investment, Identifier [Axis]: AWP Group Holdings, Inc. | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[10],[22] 5.25% 5.25% 5.25%                  
Interest rate [3],[4],[10],[16],[22] 8.90% 8.90% 8.90%                  
Principal Amount or Par Value [3],[4],[9],[10],[22] $ 359                      
Cost [3],[4],[10],[22] 358                      
Fair Value [3],[4],[10],[22] 358                      
Investment, Identifier [Axis]: AWP Group Holdings, Inc. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [3],[4],[9],[10] 1,005                      
Cost [3],[4],[10] (4)                      
Fair Value [3],[4],[10] $ (4)                      
Investment, Identifier [Axis]: AWP Group Holdings, Inc. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[19],[20],[23] 2.63% 2.63% 2.63%                  
PIK [3],[19],[20],[23] 3.28% 3.28% 3.28%                  
Interest rate [3],[16],[19],[20] 9.56% 9.56% 9.56%                  
Principal Amount or Par Value [3],[9],[19],[20] $ 8,660                      
Cost [3],[19],[20] 8,629                      
Fair Value [3],[19],[20] $ 8,628                      
Investment, Identifier [Axis]: Acumatica Holdings, Inc. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.50% [3],[19],[20] 4.50% [3],[19],[20] 4.50% [3],[19],[20] 4.75% [7],[14],[15] 4.75% [7],[14],[15] 4.75% [7],[14],[15]            
Interest rate 8.23% [3],[16],[19],[20] 8.23% [3],[16],[19],[20] 8.23% [3],[16],[19],[20] 8.42% [7],[14],[15],[17] 8.42% [7],[14],[15],[17] 8.42% [7],[14],[15],[17]            
Principal Amount or Par Value $ 13,759 [3],[9],[19],[20]     $ 39,188 [7],[11],[14],[15]                
Cost 13,759 [3],[19],[20]     39,188 [7],[14],[15]                
Fair Value 13,713 [3],[19],[20]     39,188 [7],[14],[15]                
Investment, Identifier [Axis]: Acumatica Holdings, Inc. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 9,403 [3],[4],[9],[10]     9,403 [7],[8],[11],[12]                
Cost 0 [3],[4],[10]     0 [7],[8],[12]                
Fair Value $ (31) [3],[4],[10]     $ 0 [7],[8],[12]                
Investment, Identifier [Axis]: Adelaide Borrower, LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.00% [3],[4],[22] 6.00% [3],[4],[22] 6.00% [3],[4],[22] 3.38% [7],[8],[18],[24] 3.38% [7],[8],[18],[24] 3.38% [7],[8],[18],[24]            
PIK [7],[8],[18],[24]       3.38% 3.38% 3.38%            
Interest rate 9.73% [3],[4],[16],[22] 9.73% [3],[4],[16],[22] 9.73% [3],[4],[16],[22] 10.42% [7],[8],[17],[18] 10.42% [7],[8],[17],[18] 10.42% [7],[8],[17],[18]            
Principal Amount or Par Value $ 4,780 [3],[4],[9],[22]     $ 4,780 [7],[8],[11],[18]                
Cost 4,746 [3],[4],[22]     4,743 [7],[8],[18]                
Fair Value $ 4,748 [3],[4],[22]     $ 4,780 [7],[8],[18]                
Investment, Identifier [Axis]: Adelaide Borrower, LLC | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.00% [3],[4],[10],[22] 6.00% [3],[4],[10],[22] 6.00% [3],[4],[10],[22] 6.25% [7],[8],[12],[18] 6.25% [7],[8],[12],[18] 6.25% [7],[8],[12],[18]            
Interest rate 9.74% [3],[4],[10],[16],[22] 9.74% [3],[4],[10],[16],[22] 9.74% [3],[4],[10],[16],[22] 9.98% [7],[8],[12],[17],[18] 9.98% [7],[8],[12],[17],[18] 9.98% [7],[8],[12],[17],[18]            
Principal Amount or Par Value $ 53 [3],[4],[9],[10],[22]     $ 120 [7],[8],[11],[12],[18]                
Cost 53 [3],[4],[10],[22]     119 [7],[8],[12],[18]                
Fair Value 53 [3],[4],[10],[22]     120 [7],[8],[12],[18]                
Investment, Identifier [Axis]: Adelaide Borrower, LLC | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 613 [3],[4],[9],[10]     1,048 [7],[8],[11],[12]                
Cost (6) [3],[4],[10]     0 [7],[8],[12]                
Fair Value (4) [3],[4],[10]     0 [7],[8],[12]                
Investment, Identifier [Axis]: Adelaide Borrower, LLC | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 1,048 [3],[4],[9],[10]     547 [7],[8],[11],[12]                
Cost 0 [3],[4],[10]     (5) [7],[8],[12]                
Fair Value $ (7) [3],[4],[10]     $ 0 [7],[8],[12]                
Investment, Identifier [Axis]: Alegeus Technologies Holdings Corp. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.50% [4],[22] 6.50% [4],[22] 6.50% [4],[22] 6.50% [7],[8],[18] 6.50% [7],[8],[18] 6.50% [7],[8],[18]            
Interest rate 10.16% [4],[16],[22] 10.16% [4],[16],[22] 10.16% [4],[16],[22] 10.34% [7],[8],[17],[18] 10.34% [7],[8],[17],[18] 10.34% [7],[8],[17],[18]            
Principal Amount or Par Value $ 8,170 [4],[9],[22]     $ 8,382 [7],[8],[11],[18]                
Cost 8,094 [4],[22]     8,297 [7],[8],[18]                
Fair Value 8,170 [4],[22]     8,382 [7],[8],[18]                
Investment, Identifier [Axis]: Ambrosia Topco LLC | Class A-1 Common Units 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[20] 1,348                      
Fair Value [3],[20] 349                      
Investment, Identifier [Axis]: Ambrosia Topco LLC | Class A-1 Common Units 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[4] 1,300                      
Fair Value [3],[4] 337                      
Investment, Identifier [Axis]: Ambrosia Topco LLC | Class A-1 common units 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[15]       1,348                
Fair Value [7],[15]       590                
Investment, Identifier [Axis]: Ambrosia Topco LLC | Class A-1 common units 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[8]       1,300                
Fair Value [7],[8]       569                
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 1,969 [3],[4],[9],[10]     1,969 [7],[8],[11],[12]                
Cost (10) [3],[4],[10]     (10) [7],[8],[12]                
Fair Value $ (109) [3],[4],[10]     $ (15) [7],[8],[12]                
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.50% [3],[4],[22] 5.50% [3],[4],[22] 5.50% [3],[4],[22] 5.50% [7],[8],[18] 5.50% [7],[8],[18] 5.50% [7],[8],[18]            
Interest rate 9.60% [3],[4],[16],[22] 9.60% [3],[4],[16],[22] 9.60% [3],[4],[16],[22] 9.62% [7],[8],[17],[18] 9.62% [7],[8],[17],[18] 9.62% [7],[8],[17],[18]            
Principal Amount or Par Value $ 18,672 [3],[4],[9],[22]     $ 18,769 [7],[8],[11],[18]                
Cost 18,640 [3],[4],[22]     18,729 [7],[8],[18]                
Fair Value $ 17,635 [3],[4],[22]     $ 18,626 [7],[8],[18]                
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc. | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.50% [3],[19],[20] 5.50% [3],[19],[20] 5.50% [3],[19],[20] 5.50% [7],[14],[15] 5.50% [7],[14],[15] 5.50% [7],[14],[15]            
Interest rate 9.60% [3],[16],[19],[20] 9.60% [3],[16],[19],[20] 9.60% [3],[16],[19],[20] 9.62% [7],[14],[15],[17] 9.62% [7],[14],[15],[17] 9.62% [7],[14],[15],[17]            
Principal Amount or Par Value $ 5,196 [3],[9],[19],[20]     $ 5,223 [7],[11],[14],[15]                
Cost 5,187 [3],[19],[20]     5,211 [7],[14],[15]                
Fair Value $ 4,908 [3],[19],[20]     $ 5,183 [7],[14],[15]                
Investment, Identifier [Axis]: AmeriVet Partners Management, Inc. | First lien 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.50% [3],[4],[22] 5.50% [3],[4],[22] 5.50% [3],[4],[22] 5.50% [7],[8],[18] 5.50% [7],[8],[18] 5.50% [7],[8],[18]            
Interest rate 9.60% [3],[4],[16],[22] 9.60% [3],[4],[16],[22] 9.60% [3],[4],[16],[22] 9.62% [7],[8],[17],[18] 9.62% [7],[8],[17],[18] 9.62% [7],[8],[17],[18]            
Principal Amount or Par Value $ 682 [3],[4],[9],[22]     $ 686 [7],[8],[11],[18]                
Cost 681 [3],[4],[22]     684 [7],[8],[18]                
Fair Value 645 [3],[4],[22]     681 [7],[8],[18]                
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or 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 or Par Value 2,652 [3],[4],[5],[9],[10]     2,652 [6],[7],[8],[11],[12]                
Cost 0 [3],[4],[5],[10]     0 [6],[7],[8],[12]                
Fair Value $ 0 [3],[4],[5],[10]     $ 0 [6],[7],[8],[12]                
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 0.50% [3],[4],[22],[23],[27] 0.50% [3],[4],[22],[23],[27] 0.50% [3],[4],[22],[23],[27] 0.50% [7],[8],[18],[24],[26] 0.50% [7],[8],[18],[24],[26] 0.50% [7],[8],[18],[24],[26]            
PIK 6.75% [3],[4],[22],[23],[27] 6.75% [3],[4],[22],[23],[27] 6.75% [3],[4],[22],[23],[27] 6.75% [7],[8],[18],[24],[26] 6.75% [7],[8],[18],[24],[26] 6.75% [7],[8],[18],[24],[26]            
Interest rate 10.97% [3],[4],[16],[22] 10.97% [3],[4],[16],[22] 10.97% [3],[4],[16],[22] 11.22% [7],[8],[17],[18] 11.22% [7],[8],[17],[18] 11.22% [7],[8],[17],[18]            
Principal Amount or Par Value $ 29,879 [3],[4],[9],[22]     $ 29,879 [7],[8],[11],[18]                
Cost 29,842 [3],[4],[22]     29,842 [7],[8],[18]                
Fair Value $ 16,000 [3],[4],[22]     $ 17,999 [7],[8],[18]                
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 0.50% [3],[4],[23],[27] 0.50% [3],[4],[23],[27] 0.50% [3],[4],[23],[27] 0.50% [7],[8],[24],[26] 0.50% [7],[8],[24],[26] 0.50% [7],[8],[24],[26]            
PIK 14.50% [3],[4],[23],[27] 14.50% [3],[4],[23],[27] 14.50% [3],[4],[23],[27] 14.50% [7],[8],[24],[26] 14.50% [7],[8],[24],[26] 14.50% [7],[8],[24],[26]            
Interest rate 18.72% [3],[4],[16] 18.72% [3],[4],[16] 18.72% [3],[4],[16] 18.97% [7],[8],[17] 18.97% [7],[8],[17] 18.97% [7],[8],[17]            
Principal Amount or Par Value $ 1,527 [3],[4],[9]     $ 1,527 [7],[8],[11]                
Cost 1,527 [3],[4]     1,527 [7],[8]                
Fair Value $ 0 [3],[4]     $ 0 [7],[8]                
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) | First lien | Non-accrual status                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value               $ 17,927 $ 13,479      
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) | Subordinated                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK 1.00% [3],[4],[23],[27] 1.00% [3],[4],[23],[27] 1.00% [3],[4],[23],[27] 1.00% [7],[8],[24],[26] 1.00% [7],[8],[24],[26] 1.00% [7],[8],[24],[26]            
Interest rate 4.84% [3],[4],[16] 4.84% [3],[4],[16] 4.84% [3],[4],[16] 5.14% [7],[8],[17] 5.14% [7],[8],[17] 5.14% [7],[8],[17]            
Principal Amount or Par Value $ 5,230 [3],[4],[9]     $ 5,230 [7],[8],[11]                
Cost 0 [3],[4]     0 [7],[8]                
Fair Value $ 0 [3],[4]     $ 0 [7],[8]                
Investment, Identifier [Axis]: American Achievement Corporation (aka AAC Holding Corp.) | Subordinated | Non-accrual status                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value                   $ 5,230    
Investment, Identifier [Axis]: Anaplan, Inc. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[14],[15]       4.50% 4.50% 4.50%            
Interest rate [7],[14],[15],[17]       8.32% 8.32% 8.32%            
Principal Amount or Par Value [7],[11],[14],[15]       $ 10,513                
Cost [7],[14],[15]       10,456                
Fair Value [7],[14],[15]       $ 10,513                
Investment, Identifier [Axis]: Associations, Inc. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.50% [3],[4],[22] 6.50% [3],[4],[22] 6.50% [3],[4],[22] 6.50% [7],[8],[18] 6.50% [7],[8],[18] 6.50% [7],[8],[18]            
Interest rate 10.42% [3],[4],[16],[22] 10.42% [3],[4],[16],[22] 10.42% [3],[4],[16],[22] 10.66% [7],[8],[17],[18] 10.66% [7],[8],[17],[18] 10.66% [7],[8],[17],[18]            
Principal Amount or Par Value $ 29,871 [3],[4],[9],[22]     $ 48,932 [7],[8],[11],[18]                
Cost 29,862 [3],[4],[22]     48,915 [7],[8],[18]                
Fair Value $ 29,871 [3],[4],[22]     $ 48,932 [7],[8],[18]                
Investment, Identifier [Axis]: Associations, Inc. | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.50% [3],[4],[10] 6.50% [3],[4],[10] 6.50% [3],[4],[10] 6.50% [7],[8],[12] 6.50% [7],[8],[12] 6.50% [7],[8],[12]            
Interest rate 10.42% [3],[4],[10],[16] 10.42% [3],[4],[10],[16] 10.42% [3],[4],[10],[16] 10.66% [7],[8],[12],[17] 10.66% [7],[8],[12],[17] 10.66% [7],[8],[12],[17]            
Principal Amount or Par Value $ 2,010 [3],[4],[9],[10]     $ 1,639 [7],[8],[11],[12]                
Cost 2,009 [3],[4],[10]     1,639 [7],[8],[12]                
Fair Value 2,010 [3],[4],[10]     1,639 [7],[8],[12]                
Investment, Identifier [Axis]: Associations, Inc. | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 1,806 [3],[4],[9],[10]     2,186 [7],[8],[11],[12]                
Cost (1) [3],[4],[10]     (1) [7],[8],[12]                
Fair Value 0 [3],[4],[10]     0 [7],[8],[12]                
Investment, Identifier [Axis]: Associations, Inc. | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 3,077 [3],[4],[9],[10]     3,077 [7],[8],[11],[12]                
Cost (2) [3],[4],[10]     (2) [7],[8],[12]                
Fair Value $ 0 [3],[4],[10]     $ 0 [7],[8],[12]                
Investment, Identifier [Axis]: Associations, Inc. | Subordinated 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK 14.25% [3],[4],[23] 14.25% [3],[4],[23] 14.25% [3],[4],[23] 14.25% [7],[8],[24] 14.25% [7],[8],[24] 14.25% [7],[8],[24]            
Interest rate 14.25% [3],[4],[16] 14.25% [3],[4],[16] 14.25% [3],[4],[16] 14.25% [7],[8],[17] 14.25% [7],[8],[17] 14.25% [7],[8],[17]            
Principal Amount or Par Value $ 9,842 [3],[4],[9]     $ 9,173 [7],[8],[11]                
Cost 9,828 [3],[4]     9,158 [7],[8]                
Fair Value $ 9,842 [3],[4]     $ 9,356 [7],[8]                
Investment, Identifier [Axis]: Associations, Inc. | Subordinated 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK 14.25% [3],[4],[23] 14.25% [3],[4],[23] 14.25% [3],[4],[23] 14.25% [7],[8],[24] 14.25% [7],[8],[24] 14.25% [7],[8],[24]            
Interest rate 14.25% [3],[4],[16] 14.25% [3],[4],[16] 14.25% [3],[4],[16] 14.25% [7],[8],[17] 14.25% [7],[8],[17] 14.25% [7],[8],[17]            
Principal Amount or Par Value $ 3,758 [3],[4],[9]     $ 3,503 [7],[8],[11]                
Cost 3,753 [3],[4]     3,497 [7],[8]                
Fair Value 3,758 [3],[4]     3,593 [7],[8]                
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 790 [3],[4],[9],[10],[28]     790 [7],[8],[11],[12],[29]                
Cost (6) [3],[4],[10],[28]     (6) [7],[8],[12],[29]                
Fair Value $ (16) [3],[4],[10],[28]     $ 0 [7],[8],[12],[29]                
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.50% [3],[19],[20] 4.50% [3],[19],[20] 4.50% [3],[19],[20] 4.75% [7],[14],[15] 4.75% [7],[14],[15] 4.75% [7],[14],[15]            
Interest rate 8.16% [3],[16],[19],[20] 8.16% [3],[16],[19],[20] 8.16% [3],[16],[19],[20] 8.61% [7],[14],[15],[17] 8.61% [7],[14],[15],[17] 8.61% [7],[14],[15],[17]            
Principal Amount or Par Value $ 4,441 [3],[9],[19],[20]     $ 4,463 [7],[11],[14],[15]                
Cost 4,432 [3],[19],[20]     4,453 [7],[14],[15]                
Fair Value $ 4,352 [3],[19],[20]     $ 4,463 [7],[14],[15]                
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.50% [3],[4],[22] 4.50% [3],[4],[22] 4.50% [3],[4],[22] 4.75% [7],[8],[18] 4.75% [7],[8],[18] 4.75% [7],[8],[18]            
Interest rate 8.16% [3],[4],[16],[22] 8.16% [3],[4],[16],[22] 8.16% [3],[4],[16],[22] 8.61% [7],[8],[17],[18] 8.61% [7],[8],[17],[18] 8.61% [7],[8],[17],[18]            
Principal Amount or Par Value $ 3,393 [3],[4],[9],[22]     $ 3,411 [7],[8],[11],[18]                
Cost 3,364 [3],[4],[22]     3,377 [7],[8],[18]                
Fair Value $ 3,325 [3],[4],[22]     $ 3,411 [7],[8],[18]                
Investment, Identifier [Axis]: Atlas AU Bidco Pty Ltd | First lien 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.50% [3],[4],[22] 4.50% [3],[4],[22] 4.50% [3],[4],[22] 4.75% [7],[8],[18] 4.75% [7],[8],[18] 4.75% [7],[8],[18]            
Interest rate 8.16% [3],[4],[16],[22] 8.16% [3],[4],[16],[22] 8.16% [3],[4],[16],[22] 8.61% [7],[8],[17],[18] 8.61% [7],[8],[17],[18] 8.61% [7],[8],[17],[18]            
Principal Amount or Par Value $ 1,322 [3],[4],[9],[22]     $ 1,328 [7],[8],[11],[18]                
Cost 1,313 [3],[4],[22]     1,319 [7],[8],[18]                
Fair Value $ 1,295 [3],[4],[22]     $ 1,328 [7],[8],[18]                
Investment, Identifier [Axis]: Auctane Inc. (fka Stamps.com Inc.) | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.75% [3],[4],[22] 5.75% [3],[4],[22] 5.75% [3],[4],[22] 5.75% [7],[8],[18] 5.75% [7],[8],[18] 5.75% [7],[8],[18]            
Interest rate 9.42% [3],[4],[16],[22] 9.42% [3],[4],[16],[22] 9.42% [3],[4],[16],[22] 9.58% [7],[8],[17],[18] 9.58% [7],[8],[17],[18] 9.58% [7],[8],[17],[18]            
Principal Amount or Par Value $ 31,814 [3],[4],[9],[22]     $ 36,155 [7],[8],[11],[18]                
Cost 31,578 [3],[4],[22]     35,985 [7],[8],[18]                
Fair Value 31,576 [3],[4],[22]     36,155 [7],[8],[18]                
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [3],[4],[9],[10] 3,707                      
Cost [3],[4],[10] (26)                      
Fair Value [3],[4],[10] $ (60)                      
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       2,122                
Cost [7],[8],[12]       0                
Fair Value [7],[8],[12]       0                
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       3,707                
Cost [7],[8],[12]       (26)                
Fair Value [7],[8],[12]       $ 0                
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.75% [3],[19],[20] 4.75% [3],[19],[20] 4.75% [3],[19],[20] 4.75% [7],[14],[15] 4.75% [7],[14],[15] 4.75% [7],[14],[15]            
Interest rate 8.39% [3],[16],[19],[20] 8.39% [3],[16],[19],[20] 8.39% [3],[16],[19],[20] 8.47% [7],[14],[15],[17] 8.47% [7],[14],[15],[17] 8.47% [7],[14],[15],[17]            
Principal Amount or Par Value $ 15,524 [3],[9],[19],[20]     $ 15,602 [7],[11],[14],[15]                
Cost 15,433 [3],[19],[20]     15,504 [7],[14],[15]                
Fair Value $ 15,354 [3],[19],[20]     $ 15,602 [7],[14],[15]                
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.25% [3],[19],[20] 4.25% [3],[19],[20] 4.25% [3],[19],[20] 4.25% [7],[14],[15] 4.25% [7],[14],[15] 4.25% [7],[14],[15]            
Interest rate 7.89% [3],[16],[19],[20] 7.89% [3],[16],[19],[20] 7.89% [3],[16],[19],[20] 7.97% [7],[14],[15],[17] 7.97% [7],[14],[15],[17] 7.97% [7],[14],[15],[17]            
Principal Amount or Par Value $ 5,753 [3],[9],[19],[20]     $ 5,782 [7],[11],[14],[15]                
Cost 5,729 [3],[19],[20]     5,756 [7],[14],[15]                
Fair Value $ 5,661 [3],[19],[20]     $ 5,782 [7],[14],[15]                
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.25% [3],[4],[22] 4.25% [3],[4],[22] 4.25% [3],[4],[22] 4.25% [7],[8],[18] 4.25% [7],[8],[18] 4.25% [7],[8],[18]            
Interest rate 7.89% [3],[4],[16],[22] 7.89% [3],[4],[16],[22] 7.89% [3],[4],[16],[22] 7.97% [7],[8],[17],[18] 7.97% [7],[8],[17],[18] 7.97% [7],[8],[17],[18]            
Principal Amount or Par Value $ 1,266 [3],[4],[9],[22]     $ 378 [7],[8],[11],[18]                
Cost 1,260 [3],[4],[22]     376 [7],[8],[18]                
Fair Value $ 1,245 [3],[4],[22]     $ 378 [7],[8],[18]                
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien 4                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[22] 4.25% 4.25% 4.25%                  
Interest rate [3],[4],[16],[22] 7.90% 7.90% 7.90%                  
Principal Amount or Par Value [3],[4],[9],[22] $ 1,228                      
Cost [3],[4],[22] 1,222                      
Fair Value [3],[4],[22] $ 1,209                      
Investment, Identifier [Axis]: Bamboo Health Holdings, LLC (f/k/a Appriss Health, LLC) | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.75% [3],[4],[22] 4.75% [3],[4],[22] 4.75% [3],[4],[22] 4.75% [7],[8],[18] 4.75% [7],[8],[18] 4.75% [7],[8],[18]            
Interest rate 8.49% [3],[4],[16],[22] 8.49% [3],[4],[16],[22] 8.49% [3],[4],[16],[22] 8.57% [7],[8],[17],[18] 8.57% [7],[8],[17],[18] 8.57% [7],[8],[17],[18]            
Principal Amount or Par Value $ 3,046 [3],[4],[9],[22]     $ 3,046 [7],[8],[11],[18]                
Cost 3,041 [3],[4],[22]     3,038 [7],[8],[18]                
Fair Value 3,046 [3],[4],[22]     3,046 [7],[8],[18]                
Investment, Identifier [Axis]: Bamboo Health Holdings, LLC (f/k/a Appriss Health, LLC) | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 417 [3],[4],[9],[10]     417 [7],[8],[11],[12]                
Cost (4) [3],[4],[10]     (4) [7],[8],[12]                
Fair Value $ 0 [3],[4],[10]     $ 0 [7],[8],[12]                
Investment, Identifier [Axis]: Bonterra LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[14],[15]       4.75% 4.75% 4.75%            
Interest rate [7],[14],[15],[17]       8.42% 8.42% 8.42%            
Principal Amount or Par Value [7],[11],[14],[15]       $ 14,989                
Cost [7],[14],[15]       14,955                
Fair Value [7],[14],[15]       $ 14,952                
Investment, Identifier [Axis]: Bonterra LLC | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[10] 4.75% 4.75% 4.75%                  
Interest rate [3],[4],[10],[16] 8.49% 8.49% 8.49%                  
Principal Amount or Par Value [3],[4],[9],[10] $ 326                      
Cost [3],[4],[10] 325                      
Fair Value [3],[4],[10] 318                      
Investment, Identifier [Axis]: Bonterra LLC | First lien - Drawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[12],[18]       4.75% 4.75% 4.75%            
Interest rate [7],[8],[12],[17],[18]       8.69% 8.69% 8.69%            
Principal Amount or Par Value [7],[8],[11],[12],[18]       $ 1,629                
Cost [7],[8],[12],[18]       1,629                
Fair Value [7],[8],[12],[18]       $ 1,625                
Investment, Identifier [Axis]: Bonterra LLC | First lien - Drawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[12]       4.75% 4.75% 4.75%            
Interest rate [7],[8],[12],[17]       8.44% 8.44% 8.44%            
Principal Amount or Par Value [7],[8],[11],[12]       $ 244                
Cost [7],[8],[12]       244                
Fair Value [7],[8],[12]       244                
Investment, Identifier [Axis]: Bonterra LLC | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [3],[4],[9],[10] 1,303                      
Cost [3],[4],[10] (3)                      
Fair Value [3],[4],[10] $ (30)                      
Investment, Identifier [Axis]: Bonterra LLC | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       0                
Cost [7],[8],[12]       0                
Fair Value [7],[8],[12]       0                
Investment, Identifier [Axis]: Bonterra LLC | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       1,384                
Cost [7],[8],[12]       (3)                
Fair Value [7],[8],[12]       $ (3)                
Investment, Identifier [Axis]: Bonterra LLC | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[19],[20] 4.75% 4.75% 4.75%                  
Interest rate [3],[16],[19],[20] 8.48% 8.48% 8.48%                  
Principal Amount or Par Value [3],[9],[19],[20] $ 14,914                      
Cost [3],[19],[20] 14,882                      
Fair Value [3],[19],[20] $ 14,570                      
Investment, Identifier [Axis]: Bonterra LLC | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[22] 4.75% 4.75% 4.75%                  
Interest rate [3],[4],[16],[22] 8.48% 8.48% 8.48%                  
Principal Amount or Par Value [3],[4],[9],[22] $ 1,625                      
Cost [3],[4],[22] 1,625                      
Fair Value [3],[4],[22] $ 1,587                      
Investment, Identifier [Axis]: Brave Parent Holdings, Inc. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.50% [3],[30] 4.50% [3],[30] 4.50% [3],[30] 4.25% [7],[31] 4.25% [7],[31] 4.25% [7],[31]            
Interest rate 8.14% [3],[16],[30] 8.14% [3],[16],[30] 8.14% [3],[16],[30] 7.97% [7],[17],[31] 7.97% [7],[17],[31] 7.97% [7],[17],[31]            
Principal Amount or Par Value $ 21,016 [3],[9],[30]     $ 21,124 [7],[11],[31]                
Cost 20,940 [3],[30]     21,040 [7],[31]                
Fair Value $ 20,323 [3],[30]     $ 21,124 [7],[31]                
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.00% [3],[4],[10] 5.00% [3],[4],[10] 5.00% [3],[4],[10] 5.00% [7],[8],[12] 5.00% [7],[8],[12] 5.00% [7],[8],[12]            
Interest rate 8.64% [3],[4],[10],[16] 8.64% [3],[4],[10],[16] 8.64% [3],[4],[10],[16] 8.72% [7],[8],[12],[17] 8.72% [7],[8],[12],[17] 8.72% [7],[8],[12],[17]            
Principal Amount or Par Value $ 125 [3],[4],[9],[10]     $ 125 [7],[8],[11],[12]                
Cost 127 [3],[4],[10]     127 [7],[8],[12]                
Fair Value $ 124 [3],[4],[10]     125 [7],[8],[12]                
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       822                
Cost [7],[8],[12]       0                
Fair Value [7],[8],[12]       0                
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       811                
Cost [7],[8],[12]       (6)                
Fair Value [7],[8],[12]       $ 0                
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.00% [3],[19],[20] 5.00% [3],[19],[20] 5.00% [3],[19],[20] 5.00% [7],[14],[15] 5.00% [7],[14],[15] 5.00% [7],[14],[15]            
Interest rate 8.64% [3],[16],[19],[20] 8.64% [3],[16],[19],[20] 8.64% [3],[16],[19],[20] 8.72% [7],[14],[15],[17] 8.72% [7],[14],[15],[17] 8.72% [7],[14],[15],[17]            
Principal Amount or Par Value $ 8,879 [3],[9],[19],[20]     $ 13,206 [7],[11],[14],[15]                
Cost 8,967 [3],[19],[20]     13,177 [7],[14],[15]                
Fair Value $ 8,813 [3],[19],[20]     $ 13,206 [7],[14],[15]                
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.00% [3],[19],[20] 5.00% [3],[19],[20] 5.00% [3],[19],[20] 5.00% [7],[14],[15] 5.00% [7],[14],[15] 5.00% [7],[14],[15]            
Interest rate 8.64% [3],[16],[19],[20] 8.64% [3],[16],[19],[20] 8.64% [3],[16],[19],[20] 8.72% [7],[14],[15],[17] 8.72% [7],[14],[15],[17] 8.72% [7],[14],[15],[17]            
Principal Amount or Par Value $ 3,398 [3],[9],[19],[20]     $ 8,879 [7],[11],[14],[15]                
Cost 3,395 [3],[19],[20]     8,976 [7],[14],[15]                
Fair Value $ 3,373 [3],[19],[20]     $ 8,879 [7],[14],[15]                
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.00% [3],[4],[22] 5.00% [3],[4],[22] 5.00% [3],[4],[22] 5.00% [7],[14],[15] 5.00% [7],[14],[15] 5.00% [7],[14],[15]            
Interest rate 8.64% [3],[4],[16],[22] 8.64% [3],[4],[16],[22] 8.64% [3],[4],[16],[22] 8.72% [7],[14],[15],[17] 8.72% [7],[14],[15],[17] 8.72% [7],[14],[15],[17]            
Principal Amount or Par Value $ 1,025 [3],[4],[9],[22]     $ 3,398 [7],[11],[14],[15]                
Cost 1,023 [3],[4],[22]     3,395 [7],[14],[15]                
Fair Value $ 1,017 [3],[4],[22]     $ 3,398 [7],[14],[15]                
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien 4                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.00% [3],[19],[20] 5.00% [3],[19],[20] 5.00% [3],[19],[20] 5.00% [7],[8],[18] 5.00% [7],[8],[18] 5.00% [7],[8],[18]            
Interest rate 8.64% [3],[16],[19],[20] 8.64% [3],[16],[19],[20] 8.64% [3],[16],[19],[20] 8.72% [7],[8],[17],[18] 8.72% [7],[8],[17],[18] 8.72% [7],[8],[17],[18]            
Principal Amount or Par Value $ 761 [3],[9],[19],[20]     $ 1,025 [7],[8],[11],[18]                
Cost 759 [3],[19],[20]     1,023 [7],[8],[18]                
Fair Value $ 755 [3],[19],[20]     $ 1,025 [7],[8],[18]                
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien 5                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.00% [3],[19],[20] 5.00% [3],[19],[20] 5.00% [3],[19],[20] 5.00% [7],[14],[15] 5.00% [7],[14],[15] 5.00% [7],[14],[15]            
Interest rate 8.64% [3],[16],[19],[20] 8.64% [3],[16],[19],[20] 8.64% [3],[16],[19],[20] 8.72% [7],[14],[15],[17] 8.72% [7],[14],[15],[17] 8.72% [7],[14],[15],[17]            
Principal Amount or Par Value $ 341 [3],[9],[19],[20]     $ 761 [7],[11],[14],[15]                
Cost 340 [3],[19],[20]     759 [7],[14],[15]                
Fair Value $ 338 [3],[19],[20]     $ 761 [7],[14],[15]                
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien 6                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.00% [3],[19],[20] 5.00% [3],[19],[20] 5.00% [3],[19],[20] 5.00% [7],[14],[15] 5.00% [7],[14],[15] 5.00% [7],[14],[15]            
Interest rate 8.64% [3],[16],[19],[20] 8.64% [3],[16],[19],[20] 8.64% [3],[16],[19],[20] 8.72% [7],[14],[15],[17] 8.72% [7],[14],[15],[17] 8.72% [7],[14],[15],[17]            
Principal Amount or Par Value $ 272 [3],[9],[19],[20]     $ 341 [7],[11],[14],[15]                
Cost 271 [3],[19],[20]     340 [7],[14],[15]                
Fair Value 270 [3],[19],[20]     $ 341 [7],[14],[15]                
Investment, Identifier [Axis]: Bullhorn, Inc. | First lien 7                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[14],[15]       5.00% 5.00% 5.00%            
Interest rate [7],[14],[15],[17]       8.72% 8.72% 8.72%            
Principal Amount or Par Value [7],[11],[14],[15]       $ 272                
Cost [7],[14],[15]       271                
Fair Value [7],[14],[15]       $ 272                
Investment, Identifier [Axis]: Bullhorn, Inc.. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [3],[4],[9],[10] 811                      
Cost [3],[4],[10] (6)                      
Fair Value [3],[4],[10] $ (6)                      
Investment, Identifier [Axis]: CFS Management, LLC | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.25% [3],[4],[22],[23] 6.25% [3],[4],[22],[23] 6.25% [3],[4],[22],[23] 3.41% [7],[8],[18],[24] 3.41% [7],[8],[18],[24] 3.41% [7],[8],[18],[24]            
PIK 2.25% [3],[4],[22],[23] 2.25% [3],[4],[22],[23] 2.25% [3],[4],[22],[23] 5.09% [7],[8],[18],[24] 5.09% [7],[8],[18],[24] 5.09% [7],[8],[18],[24]            
Interest rate 12.49% [3],[4],[16],[22] 12.49% [3],[4],[16],[22] 12.49% [3],[4],[16],[22] 12.43% [7],[8],[17],[18] 12.43% [7],[8],[17],[18] 12.43% [7],[8],[17],[18]            
Principal Amount or Par Value $ 12,383 [3],[4],[9],[22]     $ 12,124 [7],[8],[11],[18]                
Cost 12,383 [3],[4],[22]     12,124 [7],[8],[18]                
Fair Value $ 10,835 [3],[4],[22]     $ 10,608 [7],[8],[18]                
Investment, Identifier [Axis]: CFS Management, LLC | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.25% [3],[19],[20],[23] 6.25% [3],[19],[20],[23] 6.25% [3],[19],[20],[23] 3.41% [7],[14],[15],[24] 3.41% [7],[14],[15],[24] 3.41% [7],[14],[15],[24]            
PIK 2.25% [3],[19],[20],[23] 2.25% [3],[19],[20],[23] 2.25% [3],[19],[20],[23] 5.09% [7],[14],[15],[24] 5.09% [7],[14],[15],[24] 5.09% [7],[14],[15],[24]            
Interest rate 12.49% [3],[16],[19],[20] 12.49% [3],[16],[19],[20] 12.49% [3],[16],[19],[20] 12.43% [7],[14],[15],[17] 12.43% [7],[14],[15],[17] 12.43% [7],[14],[15],[17]            
Principal Amount or Par Value $ 3,690 [3],[9],[19],[20]     $ 3,612 [7],[11],[14],[15]                
Cost 3,698 [3],[19],[20]     3,621 [7],[14],[15]                
Fair Value $ 3,228 [3],[19],[20]     $ 3,161 [7],[14],[15]                
Investment, Identifier [Axis]: CG Group Holdings, LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[14],[15],[24]       6.75% 6.75% 6.75%            
PIK [7],[14],[15],[24]       2.00% 2.00% 2.00%            
Interest rate [7],[14],[15],[17]       12.42% 12.42% 12.42%            
Principal Amount or Par Value [7],[11],[14],[15]       $ 8,582                
Cost [7],[14],[15]       8,553                
Fair Value [7],[14],[15]       $ 8,582                
Investment, Identifier [Axis]: CG Group Holdings, LLC | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[12],[18],[24]       6.75% 6.75% 6.75%            
PIK [7],[8],[12],[18],[24]       2.00% 2.00% 2.00%            
Interest rate [7],[8],[12],[17],[18]       12.47% 12.47% 12.47%            
Principal Amount or Par Value [7],[8],[11],[12],[18]       $ 1,089                
Cost [7],[8],[12],[18]       1,078                
Fair Value [7],[8],[12],[18]       1,089                
Investment, Identifier [Axis]: CG Group Holdings, LLC | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       113                
Cost [7],[8],[12]       (1)                
Fair Value [7],[8],[12]       $ 0                
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[14],[15]       4.75% 4.75% 4.75%            
Interest rate [7],[14],[15],[17]       8.47% 8.47% 8.47%            
Principal Amount or Par Value [7],[11],[14],[15]       $ 6,451                
Cost [7],[14],[15]       6,423                
Fair Value [7],[14],[15]       6,451                
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc. | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       1,629                
Cost [7],[8],[12]       0                
Fair Value [7],[8],[12]       0                
Investment, Identifier [Axis]: CRCI Longhorn Holdings, Inc. | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       1,086                
Cost [7],[8],[12]       (5)                
Fair Value [7],[8],[12]       $ 0                
Investment, Identifier [Axis]: Capstone Borrower, Inc. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [4],[22] 8.00% 8.00% 8.00%                  
Interest rate [4],[16],[22] 8.00% 8.00% 8.00%                  
Principal Amount or Par Value [4],[9],[22] $ 3,763                      
Cost [4],[22] 3,260                      
Fair Value [4],[22] $ 3,580                      
Investment, Identifier [Axis]: Cardinal Parent, Inc. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.50% [13] 4.50% [13] 4.50% [13] 4.50% [21] 4.50% [21] 4.50% [21]            
Interest rate 8.38% [13],[16] 8.38% [13],[16] 8.38% [13],[16] 8.32% [17],[21] 8.32% [17],[21] 8.32% [17],[21]            
Principal Amount or Par Value $ 11,548 [9],[13]     $ 11,609 [11],[21]                
Cost 11,527 [13]     11,581 [21]                
Fair Value $ 10,229 [13]     $ 11,366 [21]                
Investment, Identifier [Axis]: Cardinal Parent, Inc. | Second lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 7.75% [3],[13] 7.75% [3],[13] 7.75% [3],[13] 7.75% [7],[21] 7.75% [7],[21] 7.75% [7],[21]            
Interest rate 11.63% [3],[13],[16] 11.63% [3],[13],[16] 11.63% [3],[13],[16] 11.58% [7],[17],[21] 11.58% [7],[17],[21] 11.58% [7],[17],[21]            
Principal Amount or Par Value $ 9,767 [3],[9],[13]     $ 9,767 [7],[11],[21]                
Cost 9,728 [3],[13]     9,721 [7],[21]                
Fair Value $ 8,475 [3],[13]     $ 9,653 [7],[21]                
Investment, Identifier [Axis]: Centegix Intermediate II, LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[19],[20],[23] 2.75% 2.75% 2.75%                  
PIK [3],[19],[20],[23] 3.25% 3.25% 3.25%                  
Interest rate [3],[16],[19],[20] 9.64% 9.64% 9.64%                  
Principal Amount or Par Value [3],[9],[19],[20] $ 240                      
Cost [3],[19],[20] 239                      
Fair Value [3],[19],[20] 239                      
Investment, Identifier [Axis]: Centegix Intermediate II, LLC. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [3],[4],[9],[10] 1,177                      
Cost [3],[4],[10] 0                      
Fair Value [3],[4],[10] $ (6)                      
Investment, Identifier [Axis]: CentralSquare Technologies, LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.75% [3],[19],[20] 5.75% [3],[19],[20] 5.75% [3],[19],[20] 5.75% [7],[14],[15] 5.75% [7],[14],[15] 5.75% [7],[14],[15]            
Interest rate 9.39% [3],[16],[19],[20] 9.39% [3],[16],[19],[20] 9.39% [3],[16],[19],[20] 9.47% [7],[14],[15],[17] 9.47% [7],[14],[15],[17] 9.47% [7],[14],[15],[17]            
Principal Amount or Par Value $ 36,322 [3],[9],[19],[20]     $ 36,497 [7],[11],[14],[15]                
Cost 36,021 [3],[19],[20]     36,162 [7],[14],[15]                
Fair Value 36,322 [3],[19],[20]     36,497 [7],[14],[15]                
Investment, Identifier [Axis]: CentralSquare Technologies, LLC | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 3,980 [3],[4],[9],[10]     3,980 [7],[8],[11],[12]                
Cost (50) [3],[4],[10]     (50) [7],[8],[12]                
Fair Value 0 [3],[4],[10]     0 [7],[8],[12]                
Investment, Identifier [Axis]: Ciklum Inc. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 2,989 [3],[4],[9],[10],[28]     2,989 [7],[8],[11],[12],[29]                
Cost (37) [3],[4],[10],[28]     (37) [7],[8],[12],[29]                
Fair Value $ 0 [3],[4],[10],[28]     $ 0 [7],[8],[12],[29]                
Investment, Identifier [Axis]: Ciklum Inc. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 7.00% [3],[19],[20] 7.00% [3],[19],[20] 7.00% [3],[19],[20] 6.50% [7],[14],[15] 6.50% [7],[14],[15] 6.50% [7],[14],[15]            
Interest rate 10.76% [3],[16],[19],[20] 10.76% [3],[16],[19],[20] 10.76% [3],[16],[19],[20] 10.45% [7],[14],[15],[17] 10.45% [7],[14],[15],[17] 10.45% [7],[14],[15],[17]            
Principal Amount or Par Value $ 9,392 [3],[9],[19],[20]     $ 9,440 [7],[11],[14],[15]                
Cost 9,313 [3],[19],[20]     9,351 [7],[14],[15]                
Fair Value $ 9,392 [3],[19],[20]     $ 9,440 [7],[14],[15]                
Investment, Identifier [Axis]: Ciklum Inc. | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 7.00% [3],[4],[22] 7.00% [3],[4],[22] 7.00% [3],[4],[22] 6.50% [7],[8],[18] 6.50% [7],[8],[18] 6.50% [7],[8],[18]            
Interest rate 10.73% [3],[4],[16],[22] 10.73% [3],[4],[16],[22] 10.73% [3],[4],[16],[22] 10.44% [7],[8],[17],[18] 10.44% [7],[8],[17],[18] 10.44% [7],[8],[17],[18]            
Principal Amount or Par Value $ 5,312 [3],[4],[9],[22]     $ 5,339 [7],[8],[11],[18]                
Cost 5,259 [3],[4],[22]     5,280 [7],[8],[18]                
Fair Value $ 5,312 [3],[4],[22]     $ 5,339 [7],[8],[18]                
Investment, Identifier [Axis]: Community Management Holdings MidCo 2, LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.00% [3],[4],[22] 5.00% [3],[4],[22] 5.00% [3],[4],[22] 4.75% [7],[8],[18] 4.75% [7],[8],[18] 4.75% [7],[8],[18]            
Interest rate 8.74% [3],[4],[16],[22] 8.74% [3],[4],[16],[22] 8.74% [3],[4],[16],[22] 8.44% [7],[8],[17],[18] 8.44% [7],[8],[17],[18] 8.44% [7],[8],[17],[18]            
Principal Amount or Par Value $ 1,285 [3],[4],[9],[22]     $ 1,291 [7],[8],[11],[18]                
Cost 1,274 [3],[4],[22]     1,279 [7],[8],[18]                
Fair Value $ 1,285 [3],[4],[22]     $ 1,291 [7],[8],[18]                
Investment, Identifier [Axis]: Community Management Holdings MidCo 2, LLC | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.00% [3],[4],[10],[22] 5.00% [3],[4],[10],[22] 5.00% [3],[4],[10],[22] 4.75% [7],[8],[12],[18] 4.75% [7],[8],[12],[18] 4.75% [7],[8],[12],[18]            
Interest rate 8.68% [3],[4],[10],[16],[22] 8.68% [3],[4],[10],[16],[22] 8.68% [3],[4],[10],[16],[22] 8.48% [7],[8],[12],[17],[18] 8.48% [7],[8],[12],[17],[18] 8.48% [7],[8],[12],[17],[18]            
Principal Amount or Par Value $ 568 [3],[4],[9],[10],[22]     $ 9 [7],[8],[11],[12],[18]                
Cost 564 [3],[4],[10],[22]     9 [7],[8],[12],[18]                
Fair Value 568 [3],[4],[10],[22]     9 [7],[8],[12],[18]                
Investment, Identifier [Axis]: Community Management Holdings MidCo 2, LLC | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 41 [3],[4],[9],[10]     602 [7],[8],[11],[12]                
Cost 0 [3],[4],[10]     0 [7],[8],[12]                
Fair Value $ 0 [3],[4],[10]     0 [7],[8],[12]                
Investment, Identifier [Axis]: Compsych Investments Corp | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       2,253                
Cost [7],[8],[12]       (14)                
Fair Value [7],[8],[12]       $ 0                
Investment, Identifier [Axis]: Compsych Investments Corp. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.75% [3],[19],[20] 4.75% [3],[19],[20] 4.75% [3],[19],[20] 4.75% [7],[14],[15] 4.75% [7],[14],[15] 4.75% [7],[14],[15]            
Interest rate 8.41% [3],[16],[19],[20] 8.41% [3],[16],[19],[20] 8.41% [3],[16],[19],[20] 8.61% [7],[14],[15],[17] 8.61% [7],[14],[15],[17] 8.61% [7],[14],[15],[17]            
Principal Amount or Par Value $ 7,750 [3],[9],[19],[20]     $ 7,790 [7],[11],[14],[15]                
Cost 7,705 [3],[19],[20]     7,741 [7],[14],[15]                
Fair Value 7,750 [3],[19],[20]     $ 7,790 [7],[14],[15]                
Investment, Identifier [Axis]: Compsych Investments Corp. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [3],[4],[9],[10] 2,253                      
Cost [3],[4],[10] (14)                      
Fair Value [3],[4],[10] $ 0                      
Investment, Identifier [Axis]: Consumer Products | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [3],[4],[23] 7.25% 7.25% 7.25%                  
Interest rate [3],[4],[16] 11.13% 11.13% 11.13%                  
Principal Amount or Par Value [3],[4],[9] $ 4,976                      
Cost [3],[4] 4,976                      
Fair Value [3],[4] $ 4,976                      
Investment, Identifier [Axis]: Consumer Products | Subordinated                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [3],[4],[23] 9.00% 9.00% 9.00%                  
Interest rate [3],[4],[16] 12.88% 12.88% 12.88%                  
Principal Amount or Par Value [3],[4],[9] $ 2,410                      
Cost [3],[4] 2,410                      
Fair Value [3],[4] $ 2,410                      
Investment, Identifier [Axis]: Convey Health Solutions, Inc. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 1.31% [3],[20],[23],[27] 1.31% [3],[20],[23],[27] 1.31% [3],[20],[23],[27] 1.00% [7],[14],[15],[24] 1.00% [7],[14],[15],[24] 1.00% [7],[14],[15],[24]            
PIK 3.94% [3],[20],[23],[27] 3.94% [3],[20],[23],[27] 3.94% [3],[20],[23],[27] 3.94% [7],[14],[15],[24] 3.94% [7],[14],[15],[24] 3.94% [7],[14],[15],[24]            
Interest rate 9.08% [3],[16],[20] 9.08% [3],[16],[20] 9.08% [3],[16],[20] 8.71% [7],[14],[15],[17] 8.71% [7],[14],[15],[17] 8.71% [7],[14],[15],[17]            
Principal Amount or Par Value $ 13,060 [3],[9],[20]     $ 13,518 [7],[11],[14],[15]                
Cost 13,019 [3],[20]     13,475 [7],[14],[15]                
Fair Value $ 1,635 [3],[20]     $ 9,869 [7],[14],[15]                
Investment, Identifier [Axis]: Convey Health Solutions, Inc. | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 1.31% [3],[20],[23],[27] 1.31% [3],[20],[23],[27] 1.31% [3],[20],[23],[27] 1.00% [7],[14],[15],[24] 1.00% [7],[14],[15],[24] 1.00% [7],[14],[15],[24]            
PIK 3.94% [3],[20],[23],[27] 3.94% [3],[20],[23],[27] 3.94% [3],[20],[23],[27] 3.94% [7],[14],[15],[24] 3.94% [7],[14],[15],[24] 3.94% [7],[14],[15],[24]            
Interest rate 9.08% [3],[16],[20] 9.08% [3],[16],[20] 9.08% [3],[16],[20] 8.71% [7],[14],[15],[17] 8.71% [7],[14],[15],[17] 8.71% [7],[14],[15],[17]            
Principal Amount or Par Value $ 2,181 [3],[9],[20]     $ 2,257 [7],[11],[14],[15]                
Cost 2,168 [3],[20]     2,244 [7],[14],[15]                
Fair Value $ 273 [3],[20]     $ 1,648 [7],[14],[15]                
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.25% [3],[4],[22] 5.25% [3],[4],[22] 5.25% [3],[4],[22] 5.00% [7],[8],[18] 5.00% [7],[8],[18] 5.00% [7],[8],[18]            
Interest rate 8.89% [3],[4],[16],[22] 8.89% [3],[4],[16],[22] 8.89% [3],[4],[16],[22] 8.72% [7],[8],[17],[18] 8.72% [7],[8],[17],[18] 8.72% [7],[8],[17],[18]            
Principal Amount or Par Value $ 1,462 [3],[4],[9],[22]     $ 1,470 [7],[8],[11],[18]                
Cost 1,457 [3],[4],[22]     1,463 [7],[8],[18]                
Fair Value $ 1,462 [3],[4],[22]     1,470 [7],[8],[18]                
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       147                
Cost [7],[8],[12]       (1)                
Fair Value [7],[8],[12]       $ 0                
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[14],[15]       5.25% 5.25% 5.25%            
Interest rate [7],[14],[15],[17]       9.09% 9.09% 9.09%            
Principal Amount or Par Value [7],[11],[14],[15]       $ 14,243                
Cost [7],[14],[15]       14,123                
Fair Value [7],[14],[15]       14,243                
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[10],[22] 5.25% 5.25% 5.25%                  
Interest rate [3],[4],[10],[16],[22] 8.90% 8.90% 8.90%                  
Principal Amount or Par Value [3],[4],[9],[10],[22] $ 659                      
Cost [3],[4],[10],[22] 651                      
Fair Value [3],[4],[10],[22] 650                      
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [3],[4],[9],[10] 330                      
Cost [3],[4],[10] (4)                      
Fair Value [3],[4],[10] $ (4)                      
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       1,291                
Cost [7],[8],[12]       0                
Fair Value [7],[8],[12]       0                
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       989                
Cost [7],[8],[12]       (12)                
Fair Value [7],[8],[12]       $ 0                
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[19],[20] 5.25% 5.25% 5.25%                  
Interest rate [3],[16],[19],[20] 8.91% 8.91% 8.91%                  
Principal Amount or Par Value [3],[9],[19],[20] $ 14,171                      
Cost [3],[19],[20] 14,063                      
Fair Value [3],[19],[20] $ 13,981                      
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[22] 5.25% 5.25% 5.25%                  
Interest rate [3],[4],[16],[22] 8.90% 8.90% 8.90%                  
Principal Amount or Par Value [3],[4],[9],[22] $ 1,291                      
Cost [3],[4],[22] 1,291                      
Fair Value [3],[4],[22] $ 1,274                      
Investment, Identifier [Axis]: Cronos Crimson Holdings, Inc. (f/k/a NMC Crimson Holdings, Inc.) | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.09% [3],[19],[20] 6.09% [3],[19],[20] 6.09% [3],[19],[20] 6.09% [7],[14],[15] 6.09% [7],[14],[15] 6.09% [7],[14],[15]            
Interest rate 9.91% [3],[16],[19],[20] 9.91% [3],[16],[19],[20] 9.91% [3],[16],[19],[20] 10.20% [7],[14],[15],[17] 10.20% [7],[14],[15],[17] 10.20% [7],[14],[15],[17]            
Principal Amount or Par Value $ 24,172 [3],[9],[19],[20]     $ 24,172 [7],[11],[14],[15]                
Cost 24,063 [3],[19],[20]     24,034 [7],[14],[15]                
Fair Value $ 23,795 [3],[19],[20]     $ 24,172 [7],[14],[15]                
Investment, Identifier [Axis]: Cronos Crimson Holdings, Inc. (f/k/a NMC Crimson Holdings, Inc.) | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.09% [3],[4],[22] 6.09% [3],[4],[22] 6.09% [3],[4],[22] 6.09% [7],[8],[18] 6.09% [7],[8],[18] 6.09% [7],[8],[18]            
Interest rate 9.90% [3],[4],[16],[22] 9.90% [3],[4],[16],[22] 9.90% [3],[4],[16],[22] 10.02% [7],[8],[17],[18] 10.02% [7],[8],[17],[18] 10.02% [7],[8],[17],[18]            
Principal Amount or Par Value $ 5,012 [3],[4],[9],[22]     $ 5,012 [7],[8],[11],[18]                
Cost 5,003 [3],[4],[22]     5,001 [7],[8],[18]                
Fair Value $ 4,934 [3],[4],[22]     $ 5,012 [7],[8],[18]                
Investment, Identifier [Axis]: Cronos Crimson Holdings, Inc. (f/k/a NMC Crimson Holdings, Inc.) | First lien 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.24% [3],[19],[20] 6.24% [3],[19],[20] 6.24% [3],[19],[20] 6.24% [7],[14],[15] 6.24% [7],[14],[15] 6.24% [7],[14],[15]            
Interest rate 10.06% [3],[16],[19],[20] 10.06% [3],[16],[19],[20] 10.06% [3],[16],[19],[20] 10.25% [7],[14],[15],[17] 10.25% [7],[14],[15],[17] 10.25% [7],[14],[15],[17]            
Principal Amount or Par Value $ 4,706 [3],[9],[19],[20]     $ 4,706 [7],[11],[14],[15]                
Cost 4,691 [3],[19],[20]     4,687 [7],[14],[15]                
Fair Value 4,632 [3],[19],[20]     $ 4,706 [7],[14],[15]                
Investment, Identifier [Axis]: DCA Investment Holding, LLC | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[14],[15]       8.41% 8.41% 8.41%            
Interest rate [7],[14],[15],[17]       12.08% 12.08% 12.08%            
Principal Amount or Par Value [7],[11],[14],[15]       $ 1,786                
Cost [7],[14],[15]       1,781                
Fair Value [7],[14],[15]       $ 1,574                
Investment, Identifier [Axis]: DCA Investment Holding, LLC | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[18]       8.50% 8.50% 8.50%            
Interest rate [7],[8],[17],[18]       12.17% 12.17% 12.17%            
Principal Amount or Par Value [7],[8],[11],[18]       $ 1,000                
Cost [7],[8],[18]       994                
Fair Value [7],[8],[18]       $ 882                
Investment, Identifier [Axis]: DCA TopCo LP | Class A Common Units 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[20] 617                      
Fair Value [3],[20] 617                      
Investment, Identifier [Axis]: DCA TopCo LP | Class A Common Units 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[4],[22] 345                      
Fair Value [3],[4],[22] $ 345                      
Investment, Identifier [Axis]: DCA TopCo LP | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[19],[20],[23] 4.25% 4.25% 4.25%                  
PIK [3],[19],[20],[23] 2.25% 2.25% 2.25%                  
Interest rate [3],[16],[19],[20] 10.16% 10.16% 10.16%                  
Principal Amount or Par Value [3],[9],[19],[20] $ 957                      
Cost [3],[19],[20] 957                      
Fair Value [3],[19],[20] $ 957                      
Investment, Identifier [Axis]: DCA TopCo LP | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[22],[23] 4.25% 4.25% 4.25%                  
PIK [3],[4],[22],[23] 2.25% 2.25% 2.25%                  
Interest rate [3],[4],[16],[22] 10.16% 10.16% 10.16%                  
Principal Amount or Par Value [3],[4],[9],[22] $ 536                      
Cost [3],[4],[22] 536                      
Fair Value [3],[4],[22] $ 536                      
Investment, Identifier [Axis]: DG Investment Intermediate Holdings 2, Inc. | Second lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.50% [3],[4],[22] 5.50% [3],[4],[22] 5.50% [3],[4],[22] 5.50% [7],[8],[18] 5.50% [7],[8],[18] 5.50% [7],[8],[18]            
Interest rate 9.14% [3],[4],[16],[22] 9.14% [3],[4],[16],[22] 9.14% [3],[4],[16],[22] 9.22% [7],[8],[17],[18] 9.22% [7],[8],[17],[18] 9.22% [7],[8],[17],[18]            
Principal Amount or Par Value $ 3,024 [3],[4],[9],[22]     $ 9,512 [7],[8],[11],[18]                
Cost 3,010 [3],[4],[22]     9,466 [7],[8],[18]                
Fair Value 3,024 [3],[4],[22]     9,464 [7],[8],[18]                
Investment, Identifier [Axis]: DOCS, MSO, LLC | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 2,405 [3],[4],[9],[10]     2,405 [7],[8],[11],[12]                
Cost 0 [3],[4],[10]     0 [7],[8],[12]                
Fair Value $ 0 [3],[4],[10]     $ 0 [7],[8],[12]                
Investment, Identifier [Axis]: DOCS, MSO, LLC | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.00% [3],[13] 5.00% [3],[13] 5.00% [3],[13] 5.75% [7],[8],[18] 5.75% [7],[8],[18] 5.75% [7],[8],[18]            
Interest rate 8.84% [3],[13],[16] 8.84% [3],[13],[16] 8.84% [3],[13],[16] 9.63% [7],[8],[17],[18] 9.63% [7],[8],[17],[18] 9.63% [7],[8],[17],[18]            
Principal Amount or Par Value $ 3,223 [3],[9],[13]     $ 18,149 [7],[8],[11],[18]                
Cost 3,223 [3],[13]     18,149 [7],[8],[18]                
Fair Value $ 3,223 [3],[13]     $ 18,149 [7],[8],[18]                
Investment, Identifier [Axis]: DOCS, MSO, LLC | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.00% [3],[4],[22] 5.00% [3],[4],[22] 5.00% [3],[4],[22] 5.75% [7],[21] 5.75% [7],[21] 5.75% [7],[21]            
Interest rate 8.84% [3],[4],[16],[22] 8.84% [3],[4],[16],[22] 8.84% [3],[4],[16],[22] 9.63% [7],[17],[21] 9.63% [7],[17],[21] 9.63% [7],[17],[21]            
Principal Amount or Par Value $ 1,591 [3],[4],[9],[22]     $ 6,797 [7],[11],[21]                
Cost 1,596 [3],[4],[22]     6,797 [7],[21]                
Fair Value $ 1,591 [3],[4],[22]     $ 6,797 [7],[21]                
Investment, Identifier [Axis]: DOCS, MSO, LLC | First lien 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[18]       5.75% 5.75% 5.75%            
Interest rate [7],[8],[17],[18]       9.57% 9.57% 9.57%            
Principal Amount or Par Value [7],[8],[11],[18]       $ 3,354                
Cost [7],[8],[18]       3,335                
Fair Value [7],[8],[18]       $ 3,354                
Investment, Identifier [Axis]: DT1 Midco Corp | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.25% [3],[19],[20] 5.25% [3],[19],[20] 5.25% [3],[19],[20] 5.00% [7],[14],[15] 5.00% [7],[14],[15] 5.00% [7],[14],[15]            
Interest rate 8.90% [3],[16],[19],[20] 8.90% [3],[16],[19],[20] 8.90% [3],[16],[19],[20] 8.72% [7],[14],[15],[17] 8.72% [7],[14],[15],[17] 8.72% [7],[14],[15],[17]            
Principal Amount or Par Value $ 1,335 [3],[9],[19],[20]     $ 1,342 [7],[11],[14],[15]                
Cost 1,329 [3],[19],[20]     1,335 [7],[14],[15]                
Fair Value $ 1,335 [3],[19],[20]     $ 1,335 [7],[14],[15]                
Investment, Identifier [Axis]: DT1 Midco Corp | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.25% [3],[4],[10] 5.25% [3],[4],[10] 5.25% [3],[4],[10] 5.00% [7],[8],[12] 5.00% [7],[8],[12] 5.00% [7],[8],[12]            
Interest rate 8.90% [3],[4],[10],[16] 8.90% [3],[4],[10],[16] 8.90% [3],[4],[10],[16] 8.72% [7],[8],[12],[17] 8.72% [7],[8],[12],[17] 8.72% [7],[8],[12],[17]            
Principal Amount or Par Value $ 32 [3],[4],[9],[10]     $ 32 [7],[8],[11],[12]                
Cost 32 [3],[4],[10]     32 [7],[8],[12]                
Fair Value 32 [3],[4],[10]     32 [7],[8],[12]                
Investment, Identifier [Axis]: DT1 Midco Corp | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 4,462 [3],[4],[9],[10]     674 [7],[8],[11],[12]                
Cost 0 [3],[4],[10]     (3) [7],[8],[12]                
Fair Value 0 [3],[4],[10]     (3) [7],[8],[12]                
Investment, Identifier [Axis]: DT1 Midco Corp | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 674 [3],[4],[9],[10]     4,462 [7],[8],[11],[12]                
Cost (3) [3],[4],[10]     0 [7],[8],[12]                
Fair Value $ 0 [3],[4],[10]     (22) [7],[8],[12]                
Investment, Identifier [Axis]: Daxko Acquisition Corporation | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       986                
Cost [7],[8],[12]       (10)                
Fair Value [7],[8],[12]       $ 0                
Investment, Identifier [Axis]: Daxko Acquisition Corporation | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.75% [3],[4],[22] 4.75% [3],[4],[22] 4.75% [3],[4],[22] 4.75% [7],[8],[18] 4.75% [7],[8],[18] 4.75% [7],[8],[18]            
Interest rate 8.39% [3],[4],[16],[22] 8.39% [3],[4],[16],[22] 8.39% [3],[4],[16],[22] 8.47% [7],[8],[17],[18] 8.47% [7],[8],[17],[18] 8.47% [7],[8],[17],[18]            
Principal Amount or Par Value $ 12,679 [3],[4],[9],[22]     $ 12,746 [7],[8],[11],[18]                
Cost 12,630 [3],[4],[22]     12,686 [7],[8],[18]                
Fair Value $ 12,533 [3],[4],[22]     $ 12,746 [7],[8],[18]                
Investment, Identifier [Axis]: Daxko Acquisition Corporation | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.75% [3],[19],[20] 4.75% [3],[19],[20] 4.75% [3],[19],[20] 4.75% [7],[14],[15] 4.75% [7],[14],[15] 4.75% [7],[14],[15]            
Interest rate 8.39% [3],[16],[19],[20] 8.39% [3],[16],[19],[20] 8.39% [3],[16],[19],[20] 8.47% [7],[14],[15],[17] 8.47% [7],[14],[15],[17] 8.47% [7],[14],[15],[17]            
Principal Amount or Par Value $ 1,068 [3],[9],[19],[20]     $ 1,074 [7],[11],[14],[15]                
Cost 1,064 [3],[19],[20]     1,069 [7],[14],[15]                
Fair Value $ 1,056 [3],[19],[20]     $ 1,074 [7],[14],[15]                
Investment, Identifier [Axis]: Daxko Acquisition Corporation | First lien 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.75% [3],[4] 4.75% [3],[4] 4.75% [3],[4] 4.75% [7],[8] 4.75% [7],[8] 4.75% [7],[8]            
Interest rate 8.39% [3],[4],[16] 8.39% [3],[4],[16] 8.39% [3],[4],[16] 8.47% [7],[8],[17] 8.47% [7],[8],[17] 8.47% [7],[8],[17]            
Principal Amount or Par Value $ 64 [3],[4],[9]     $ 64 [7],[8],[11]                
Cost 64 [3],[4]     64 [7],[8]                
Fair Value 63 [3],[4]     64 [7],[8]                
Investment, Identifier [Axis]: Daxko Acquisition Corporation. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [3],[4],[9],[10] 986                      
Cost [3],[4],[10] (10)                      
Fair Value [3],[4],[10] $ (11)                      
Investment, Identifier [Axis]: Dealer Tire Holdings, LLC | Preferred Shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [3],[4],[22],[23],[32] 7.00% 7.00% 7.00%                  
Interest rate [3],[4],[16],[22],[32] 7.00% 7.00% 7.00%                  
Principal Amount or Par Value $ 27,116     $ 90,671                
Cost [3],[4],[22],[32] 27,082                      
Fair Value [3],[4],[22],[32] $ 25,191                      
Investment, Identifier [Axis]: Dealer Tire Holdings, LLC | Preferred shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [7],[8],[18],[24],[33]       7.00% 7.00% 7.00%            
Interest rate [7],[8],[17],[18],[33]       7.00% 7.00% 7.00%            
Cost [7],[8],[18],[33]       $ 81,859                
Fair Value [7],[8],[18],[33]       $ 87,225                
Investment, Identifier [Axis]: Deca Dental Holdings LLC | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.75% [3],[19],[20] 5.75% [3],[19],[20] 5.75% [3],[19],[20] 5.75% [7],[14],[15] 5.75% [7],[14],[15] 5.75% [7],[14],[15]            
Interest rate 9.58% [3],[16],[19],[20] 9.58% [3],[16],[19],[20] 9.58% [3],[16],[19],[20] 9.52% [7],[14],[15],[17] 9.52% [7],[14],[15],[17] 9.52% [7],[14],[15],[17]            
Principal Amount or Par Value $ 36,614 [3],[9],[19],[20]     $ 36,710 [7],[11],[14],[15]                
Cost 36,475 [3],[19],[20]     36,543 [7],[14],[15]                
Fair Value $ 32,536 [3],[19],[20]     $ 35,715 [7],[14],[15]                
Investment, Identifier [Axis]: Deca Dental Holdings LLC | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.75% [3],[4],[22] 5.75% [3],[4],[22] 5.75% [3],[4],[22] 5.75% [7],[8],[18] 5.75% [7],[8],[18] 5.75% [7],[8],[18]            
Interest rate 9.58% [3],[4],[16],[22] 9.58% [3],[4],[16],[22] 9.58% [3],[4],[16],[22] 9.52% [7],[8],[17],[18] 9.52% [7],[8],[17],[18] 9.52% [7],[8],[17],[18]            
Principal Amount or Par Value $ 3,854 [3],[4],[9],[22]     $ 3,864 [7],[8],[11],[18]                
Cost 3,839 [3],[4],[22]     3,846 [7],[8],[18]                
Fair Value $ 3,425 [3],[4],[22]     $ 3,760 [7],[8],[18]                
Investment, Identifier [Axis]: Deca Dental Holdings LLC | First lien 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.75% [3],[4],[22] 5.75% [3],[4],[22] 5.75% [3],[4],[22] 5.75% [7],[8],[18] 5.75% [7],[8],[18] 5.75% [7],[8],[18]            
Interest rate 9.58% [3],[4],[16],[22] 9.58% [3],[4],[16],[22] 9.58% [3],[4],[16],[22] 9.52% [7],[8],[17],[18] 9.52% [7],[8],[17],[18] 9.52% [7],[8],[17],[18]            
Principal Amount or Par Value $ 3,027 [3],[4],[9],[22]     $ 3,027 [7],[8],[11],[18]                
Cost 2,997 [3],[4],[22]     2,997 [7],[8],[18]                
Fair Value $ 2,690 [3],[4],[22]     $ 2,945 [7],[8],[18]                
Investment, Identifier [Axis]: Denali Intermediate Holdings, Inc. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[14],[15]       5.50% 5.50% 5.50%            
Interest rate [7],[14],[15],[17]       9.23% 9.23% 9.23%            
Principal Amount or Par Value [7],[11],[14],[15]       $ 9,091                
Cost [7],[14],[15]       9,047                
Fair Value [7],[14],[15]       9,045                
Investment, Identifier [Axis]: Denali Intermediate Holdings, Inc. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       909                
Cost [7],[8],[12]       (5)                
Fair Value [7],[8],[12]       $ (5)                
Investment, Identifier [Axis]: Digicert, Inc. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.75% [3],[19],[20] 5.75% [3],[19],[20] 5.75% [3],[19],[20] 5.75% [7],[14],[15] 5.75% [7],[14],[15] 5.75% [7],[14],[15]            
Interest rate 9.39% [3],[16],[19],[20] 9.39% [3],[16],[19],[20] 9.39% [3],[16],[19],[20] 9.47% [7],[14],[15],[17] 9.47% [7],[14],[15],[17] 9.47% [7],[14],[15],[17]            
Principal Amount or Par Value $ 15,384 [3],[9],[19],[20]     $ 15,462 [7],[11],[14],[15]                
Cost 15,286 [3],[19],[20]     15,354 [7],[14],[15]                
Fair Value 15,269 [3],[19],[20]     15,346 [7],[14],[15]                
Investment, Identifier [Axis]: Digicert, Inc. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 1,119 [3],[4],[9],[10]     1,119 [7],[8],[11],[12]                
Cost (8) [3],[4],[10]     (8) [7],[8],[12]                
Fair Value $ (8) [3],[4],[10]     $ (8) [7],[8],[12]                
Investment, Identifier [Axis]: Diligent Corporation | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [3],[4],[22],[23] 8.42% 8.42% 8.42%                  
Interest rate [3],[4],[16],[22] 12.09% 12.09% 12.09%                  
Principal Amount or Par Value [3],[4],[9],[22] $ 3,398                      
Cost [3],[4],[22] 3,389                      
Fair Value [3],[4],[22] $ 3,310                      
Investment, Identifier [Axis]: Diligent Corporation | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.00% [3],[4],[10] 5.00% [3],[4],[10] 5.00% [3],[4],[10] 5.00% [7],[8],[12] 5.00% [7],[8],[12] 5.00% [7],[8],[12]            
Interest rate 8.65% [3],[4],[10],[16] 8.65% [3],[4],[10],[16] 8.65% [3],[4],[10],[16] 8.75% [7],[8],[12],[17] 8.75% [7],[8],[12],[17] 8.75% [7],[8],[12],[17]            
Principal Amount or Par Value $ 895 [3],[4],[9],[10]     $ 532 [7],[8],[11],[12]                
Cost 891 [3],[4],[10]     530 [7],[8],[12]                
Fair Value 872 [3],[4],[10]     532 [7],[8],[12]                
Investment, Identifier [Axis]: Diligent Corporation | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [3],[4],[9],[10] 1,371                      
Cost [3],[4],[10] (5)                      
Fair Value [3],[4],[10] (35)                      
Investment, Identifier [Axis]: Diligent Corporation | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       1,733                
Cost [7],[8],[12]       (6)                
Fair Value [7],[8],[12]       0                
Investment, Identifier [Axis]: Diligent Corporation | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       3,398                
Cost [7],[8],[12]       (13)                
Fair Value [7],[8],[12]       $ 0                
Investment, Identifier [Axis]: Diligent Corporation | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[14],[15]       5.00% 5.00% 5.00%            
Interest rate [7],[14],[15],[17]       8.82% 8.82% 8.82%            
Principal Amount or Par Value [7],[11],[14],[15]       $ 19,821                
Cost [7],[14],[15]       19,763                
Fair Value [7],[14],[15]       $ 19,821                
Investment, Identifier [Axis]: Diligent Corporation | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[18]       5.00% 5.00% 5.00%            
Interest rate [7],[8],[17],[18]       8.82% 8.82% 8.82%            
Principal Amount or Par Value [7],[8],[11],[18]       $ 3,398                
Cost [7],[8],[18]       3,388                
Fair Value [7],[8],[18]       $ 3,398                
Investment, Identifier [Axis]: Diligent Preferred Issuer, Inc. | Preferred shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [7],[8],[24],[34]       10.50% 10.50% 10.50%            
Interest rate [7],[8],[17],[34]       10.50% 10.50% 10.50%            
Principal Amount or Par Value       $ 15,827                
Cost [7],[8],[34]       15,702                
Fair Value [7],[8],[34]       15,036                
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.) / Eagle Infrastructure Super HoldCo, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Fair Value $ 24,478     $ 18,337     $ 19,156          
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.) | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 7.50% [3],[19],[20],[35] 7.50% [3],[19],[20],[35] 7.50% [3],[19],[20],[35] 7.50% [7],[14],[15],[36] 7.50% [7],[14],[15],[36] 7.50% [7],[14],[15],[36]            
Interest rate 11.38% [3],[16],[19],[20],[35] 11.38% [3],[16],[19],[20],[35] 11.38% [3],[16],[19],[20],[35] 11.32% [7],[14],[15],[17],[36] 11.32% [7],[14],[15],[17],[36] 11.32% [7],[14],[15],[17],[36]            
Principal Amount or Par Value $ 10,628 [3],[9],[19],[20],[35]     $ 10,628 [7],[11],[14],[15],[36]                
Cost 10,628 [3],[19],[20],[35]     10,628 [7],[14],[15],[36]                
Fair Value $ 10,628 [3],[19],[20],[35]     $ 10,628 [7],[14],[15],[36]                
Investment, Identifier [Axis]: Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.) | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 7.50% [3],[4],[35] 7.50% [3],[4],[35] 7.50% [3],[4],[35] 7.50% [7],[8],[36] 7.50% [7],[8],[36] 7.50% [7],[8],[36]            
Interest rate 11.38% [3],[4],[16],[35] 11.38% [3],[4],[16],[35] 11.38% [3],[4],[16],[35] 11.32% [7],[8],[17],[36] 11.32% [7],[8],[17],[36] 11.32% [7],[8],[17],[36]            
Principal Amount or Par Value $ 340 [3],[4],[9],[35]     $ 340 [7],[8],[11],[36]                
Cost 340 [3],[4],[35]     340 [7],[8],[36]                
Fair Value 340 [3],[4],[35]     340 [7],[8],[36]                
Investment, Identifier [Axis]: Eagle Infrastructure Super HoldCo, LLC | Ordinary Shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[4],[35] 4,104                      
Fair Value [3],[4],[35] $ 13,510                      
Investment, Identifier [Axis]: Eagle Infrastructure Super HoldCo, LLC | Ordinary shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[8],[36]       4,104                
Fair Value [7],[8],[36]       $ 7,369                
Investment, Identifier [Axis]: Eclipse Buyer Inc. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.50% [3],[13],[37] 4.50% [3],[13],[37] 4.50% [3],[13],[37] 4.50% [7],[21],[38] 4.50% [7],[21],[38] 4.50% [7],[21],[38]            
Interest rate 8.15% [3],[13],[16],[37] 8.15% [3],[13],[16],[37] 8.15% [3],[13],[16],[37] 8.25% [7],[17],[21],[38] 8.25% [7],[17],[21],[38] 8.25% [7],[17],[21],[38]            
Principal Amount or Par Value $ 7,113 [3],[9],[13],[37]     $ 7,113 [7],[11],[21],[38]                
Cost 7,083 [3],[13],[37]     7,082 [7],[21],[38]                
Fair Value 7,007 [3],[13],[37]     7,113 [7],[21],[38]                
Investment, Identifier [Axis]: Eclipse Buyer Inc. | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[11],[12],[21]       1,206                
Cost [7],[12],[21]       0                
Fair Value [7],[12],[21]       0                
Investment, Identifier [Axis]: Eclipse Buyer Inc. | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 4,190 [3],[4],[9],[10]     4,190 [7],[8],[11],[12]                
Cost (21) [3],[4],[10]     (21) [7],[8],[12]                
Fair Value (62) [3],[4],[10]     0 [7],[8],[12]                
Investment, Identifier [Axis]: Eclipse Buyer Inc.| First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [3],[9],[10],[13] 1,206                      
Cost [3],[10],[13] 0                      
Fair Value [3],[10],[13] (18)                      
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.) | Ordinary Shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[4] 145                      
Fair Value [3],[4] $ 0                      
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.) | Ordinary shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[8]       145                
Fair Value [7],[8]       $ 0                
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.) | Series A Preferred Shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [3],[4],[23] 15.00% 15.00% 15.00%                  
Interest rate [3],[4],[16] 15.00% 15.00% 15.00%                  
Cost [3],[4] $ 3,835                      
Fair Value [3],[4] 3,835                      
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.) | Series A preferred shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [7],[8],[24]       15.00% 15.00% 15.00%            
Interest rate [7],[8],[17]       15.00% 15.00% 15.00%            
Principal Amount or Par Value $ 3,835     $ 3,335                
Cost [7],[8]       3,335                
Fair Value [7],[8]       $ 3,335                
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.) | Series B Preferred Shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [3],[4],[23],[27] 11.50% 11.50% 11.50%                  
Interest rate [3],[4],[16] 11.50% 11.50% 11.50%                  
Cost [3],[4] $ 2,565                      
Fair Value [3],[4] 3,009                      
Investment, Identifier [Axis]: Eclipse Topco Holdings, Inc. (fka Transcendia Holdings, Inc.) | Series B preferred shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [7],[8],[24],[26]       11.50% 11.50% 11.50%            
Interest rate [7],[8],[17]       11.50% 11.50% 11.50%            
Principal Amount or Par Value $ 3,691     $ 4,116                
Cost [7],[8]       2,565                
Fair Value [7],[8]       $ 3,009                
Investment, Identifier [Axis]: Eclipse Topco, Inc. | Preferred Shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [3],[13],[23],[37] 12.50% 12.50% 12.50%                  
Interest rate [3],[13],[16],[37] 12.50% 12.50% 12.50%                  
Cost [3],[13],[37] $ 1,620                      
Fair Value [3],[13],[37] 1,632                      
Investment, Identifier [Axis]: Eclipse Topco, Inc. | Preferred shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [7],[21],[24],[38]       12.50% 12.50% 12.50%            
Interest rate [7],[17],[21],[38]       12.50% 12.50% 12.50%            
Principal Amount or Par Value $ 1,632     $ 2,226                
Cost [7],[21],[38]       2,207                
Fair Value [7],[21],[38]       $ 2,228                
Investment, Identifier [Axis]: Edmentum Ultimate Holdings, LLC | Subordinated                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK 14.00% [3],[4],[23],[35],[39] 14.00% [3],[4],[23],[35],[39] 14.00% [3],[4],[23],[35],[39] 14.00% [7],[8],[24],[36],[40] 14.00% [7],[8],[24],[36],[40] 14.00% [7],[8],[24],[36],[40]            
Interest rate 17.85% [3],[4],[16],[35],[39] 17.85% [3],[4],[16],[35],[39] 17.85% [3],[4],[16],[35],[39] 17.67% [7],[8],[17],[36],[40] 17.67% [7],[8],[17],[36],[40] 17.67% [7],[8],[17],[36],[40]            
Principal Amount or Par Value $ 29,089 [3],[4],[9],[35],[39]     $ 26,646 [7],[8],[11],[36],[40]                
Cost 29,048 [3],[4],[35],[39]     26,596 [7],[8],[36],[40]                
Fair Value 29,089 [3],[4],[35],[39]     26,646 [7],[8],[36],[40]                
Investment, Identifier [Axis]: Einstein Parent, Inc. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 5,750 [3],[4],[9],[10]     5,750 [7],[8],[11],[12]                
Cost (57) [3],[4],[10]     (57) [7],[8],[12]                
Fair Value $ (138) [3],[4],[10]     $ (57) [7],[8],[12]                
Investment, Identifier [Axis]: Einstein Parent, Inc. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.25% [3],[4],[22] 5.25% [3],[4],[22] 5.25% [3],[4],[22] 6.50% [7],[8],[18] 6.50% [7],[8],[18] 6.50% [7],[8],[18]            
Interest rate 8.91% [3],[4],[16],[22] 8.91% [3],[4],[16],[22] 8.91% [3],[4],[16],[22] 10.36% [7],[8],[17],[18] 10.36% [7],[8],[17],[18] 10.36% [7],[8],[17],[18]            
Principal Amount or Par Value $ 35,582 [3],[4],[9],[22]     $ 35,582 [7],[8],[11],[18]                
Cost 35,294 [3],[4],[22]     35,292 [7],[8],[18]                
Fair Value $ 34,728 [3],[4],[22]     $ 35,226 [7],[8],[18]                
Investment, Identifier [Axis]: Einstein Parent, Inc. | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.25% [3],[19],[20] 5.25% [3],[19],[20] 5.25% [3],[19],[20] 6.50% [7],[14],[15] 6.50% [7],[14],[15] 6.50% [7],[14],[15]            
Interest rate 8.91% [3],[16],[19],[20] 8.91% [3],[16],[19],[20] 8.91% [3],[16],[19],[20] 10.36% [7],[14],[15],[17] 10.36% [7],[14],[15],[17] 10.36% [7],[14],[15],[17]            
Principal Amount or Par Value $ 20,000 [3],[9],[19],[20]     $ 20,000 [7],[11],[14],[15]                
Cost 19,838 [3],[19],[20]     19,800 [7],[14],[15]                
Fair Value 19,520 [3],[19],[20]     $ 19,800 [7],[14],[15]                
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien - Drawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[12],[31]       5.25% 5.25% 5.25%            
Interest rate [7],[12],[17],[31]       9.26% 9.26% 9.26%            
Principal Amount or Par Value [7],[11],[12],[31]       $ 2,533                
Cost [7],[12],[31]       2,508                
Fair Value [7],[12],[31]       2,533                
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [3],[4],[9],[10] 1,400                      
Cost [3],[4],[10] (14)                      
Fair Value [3],[4],[10] $ 0                      
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       64                
Cost [7],[8],[12]       0                
Fair Value [7],[8],[12]       0                
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[11],[12],[31]       191                
Cost [7],[12],[31]       0                
Fair Value [7],[12],[31]       0                
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien - Undrawn 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       1,400                
Cost [7],[8],[12]       (14)                
Fair Value [7],[8],[12]       $ 0                
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.00% [3],[30] 5.00% [3],[30] 5.00% [3],[30] 5.25% [7],[31] 5.25% [7],[31] 5.25% [7],[31]            
Interest rate 8.88% [3],[16],[30] 8.88% [3],[16],[30] 8.88% [3],[16],[30] 9.07% [7],[17],[31] 9.07% [7],[17],[31] 9.07% [7],[17],[31]            
Principal Amount or Par Value $ 8,396 [3],[9],[30]     $ 8,449 [7],[11],[31]                
Cost 8,362 [3],[30]     8,410 [7],[31]                
Fair Value $ 8,396 [3],[30]     $ 8,449 [7],[31]                
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.00% [3],[4],[22] 5.00% [3],[4],[22] 5.00% [3],[4],[22] 5.25% [7],[8],[18] 5.25% [7],[8],[18] 5.25% [7],[8],[18]            
Interest rate 8.88% [3],[4],[16],[22] 8.88% [3],[4],[16],[22] 8.88% [3],[4],[16],[22] 9.07% [7],[8],[17],[18] 9.07% [7],[8],[17],[18] 9.07% [7],[8],[17],[18]            
Principal Amount or Par Value $ 4,681 [3],[4],[9],[22]     $ 4,710 [7],[8],[11],[18]                
Cost 4,657 [3],[4],[22]     4,682 [7],[8],[18]                
Fair Value $ 4,681 [3],[4],[22]     $ 4,710 [7],[8],[18]                
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.00% [3],[30] 5.00% [3],[30] 5.00% [3],[30] 5.25% [7],[31] 5.25% [7],[31] 5.25% [7],[31]            
Interest rate 8.88% [3],[16],[30] 8.88% [3],[16],[30] 8.88% [3],[16],[30] 9.07% [7],[17],[31] 9.07% [7],[17],[31] 9.07% [7],[17],[31]            
Principal Amount or Par Value $ 2,819 [3],[9],[30]     $ 2,836 [7],[11],[31]                
Cost 2,806 [3],[30]     2,822 [7],[31]                
Fair Value $ 2,819 [3],[30]     $ 2,836 [7],[31]                
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien 4                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.00% [3],[30] 5.00% [3],[30] 5.00% [3],[30] 5.25% [7],[31] 5.25% [7],[31] 5.25% [7],[31]            
Interest rate 8.88% [3],[16],[30] 8.88% [3],[16],[30] 8.88% [3],[16],[30] 9.07% [7],[17],[31] 9.07% [7],[17],[31] 9.07% [7],[17],[31]            
Principal Amount or Par Value $ 2,801 [3],[9],[30]     $ 2,818 [7],[11],[31]                
Cost 2,789 [3],[30]     2,805 [7],[31]                
Fair Value $ 2,801 [3],[30]     $ 2,818 [7],[31]                
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien 5                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[30] 5.00% 5.00% 5.00%                  
Interest rate [3],[16],[30] 8.88% 8.88% 8.88%                  
Principal Amount or Par Value [3],[9],[30] $ 2,711                      
Cost [3],[30] 2,687                      
Fair Value [3],[30] $ 2,711                      
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien 6                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[22] 5.00% 5.00% 5.00%                  
Interest rate [3],[4],[16],[22] 8.88% 8.88% 8.88%                  
Principal Amount or Par Value [3],[4],[9],[22] $ 905                      
Cost [3],[4],[22] 897                      
Fair Value [3],[4],[22] 905                      
Investment, Identifier [Axis]: FS WhiteWater Borrower, LLC | First lien- Drawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[12],[18]       5.25% 5.25% 5.25%            
Interest rate [7],[8],[12],[17],[18]       9.26% 9.26% 9.26%            
Principal Amount or Par Value [7],[8],[11],[12],[18]       $ 846                
Cost [7],[8],[12],[18]       837                
Fair Value [7],[8],[12],[18]       846                
Investment, Identifier [Axis]: FS WhiteWater Holdings, LLC | Ordinary Shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[30],[41] 5,000                      
Fair Value [3],[30],[41] $ 6,088                      
Investment, Identifier [Axis]: FS WhiteWater Holdings, LLC | Ordinary shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[31],[42]       5,000                
Fair Value [7],[31],[42]       $ 5,357                
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[18],[24]       2.25% 2.25% 2.25%            
PIK [7],[8],[18],[24]       2.75% 2.75% 2.75%            
Interest rate [7],[8],[17],[18]       8.84% 8.84% 8.84%            
Principal Amount or Par Value [7],[8],[11],[18]       $ 8,187                
Cost [7],[8],[18]       8,169                
Fair Value [7],[8],[18]       $ 8,167                
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc. | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.50% [3],[4],[10] 4.50% [3],[4],[10] 4.50% [3],[4],[10] 4.50% [7],[8],[12] 4.50% [7],[8],[12] 4.50% [7],[8],[12]            
Interest rate 8.16% [3],[4],[10],[16] 8.16% [3],[4],[10],[16] 8.16% [3],[4],[10],[16] 8.34% [7],[8],[12],[17] 8.34% [7],[8],[12],[17] 8.34% [7],[8],[12],[17]            
Principal Amount or Par Value $ 2,794 [3],[4],[9],[10]     $ 1,919 [7],[8],[11],[12]                
Cost 2,787 [3],[4],[10]     1,914 [7],[8],[12]                
Fair Value 2,794 [3],[4],[10]     1,914 [7],[8],[12]                
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc. | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       1,422                
Cost [7],[8],[12]       (4)                
Fair Value [7],[8],[12]       (4)                
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc. | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 1,422 [3],[4],[9],[10]     2,814 [7],[8],[11],[12]                
Cost (4) [3],[4],[10]     0 [7],[8],[12]                
Fair Value 0 [3],[4],[10]     (7) [7],[8],[12]                
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc. | First lien - Undrawn1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [3],[4],[9],[10] 1,926                      
Cost [3],[4],[10] 0                      
Fair Value [3],[4],[10] $ 0                      
Investment, Identifier [Axis]: Firebird Acquisition Corp, Inc. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[22],[23] 2.25% 2.25% 2.25%                  
PIK [3],[4],[22],[23] 2.75% 2.75% 2.75%                  
Interest rate [3],[4],[16],[22] 8.66% 8.66% 8.66%                  
Principal Amount or Par Value [3],[4],[9],[22] $ 8,261                      
Cost [3],[4],[22] 8,244                      
Fair Value [3],[4],[22] 8,261                      
Investment, Identifier [Axis]: Firebird Co-Invest L.P. | LP Interest                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost 3,358 [3],[4],[43]     3,358 [7],[8],[44]                
Fair Value $ 4,209 [3],[4],[43]     $ 3,358 [7],[8],[44]                
Investment, Identifier [Axis]: Flash Charm Inc. (fka Idera, Inc.) | Second lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.75% [13] 6.75% [13] 6.75% [13] 6.75% [21] 6.75% [21] 6.75% [21]            
Interest rate 10.56% [13],[16] 10.56% [13],[16] 10.56% [13],[16] 10.75% [17],[21] 10.75% [17],[21] 10.75% [17],[21]            
Principal Amount or Par Value $ 1,884 [9],[13]     $ 6,474 [11],[21]                
Cost 1,873 [13]     6,463 [21]                
Fair Value $ 1,154 [13]     $ 5,697 [21]                
Investment, Identifier [Axis]: Flash Charm Inc. (fka Idera, Inc.) | Second lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.75% [4],[22] 6.75% [4],[22] 6.75% [4],[22] 6.75% [8],[18] 6.75% [8],[18] 6.75% [8],[18]            
Interest rate 10.56% [4],[16],[22] 10.56% [4],[16],[22] 10.56% [4],[16],[22] 10.75% [8],[17],[18] 10.75% [8],[17],[18] 10.75% [8],[17],[18]            
Principal Amount or Par Value $ 251 [4],[9],[22]     $ 863 [8],[11],[18]                
Cost 251 [4],[22]     862 [8],[18]                
Fair Value $ 154 [4],[22]     $ 760 [8],[18]                
Investment, Identifier [Axis]: Foreside Financial Group, LLC | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.25% [3],[4],[10],[22] 5.25% [3],[4],[10],[22] 5.25% [3],[4],[10],[22] 5.25% [7],[8],[12] 5.25% [7],[8],[12] 5.25% [7],[8],[12]            
Interest rate 9.14% [3],[4],[10],[16],[22] 9.14% [3],[4],[10],[16],[22] 9.14% [3],[4],[10],[16],[22] 9.08% [7],[8],[12],[17] 9.08% [7],[8],[12],[17] 9.08% [7],[8],[12],[17]            
Principal Amount or Par Value $ 92 [3],[4],[9],[10],[22]     $ 460 [7],[8],[11],[12]                
Cost 92 [3],[4],[10],[22]     457 [7],[8],[12]                
Fair Value 92 [3],[4],[10],[22]     460 [7],[8],[12]                
Investment, Identifier [Axis]: Foreside Financial Group, LLC | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [3],[4],[9],[10] 2,218                      
Cost [3],[4],[10] (22)                      
Fair Value [3],[4],[10] $ 0                      
Investment, Identifier [Axis]: Foreside Financial Group, LLC | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       2,849                
Cost [7],[8],[12]       0                
Fair Value [7],[8],[12]       0                
Investment, Identifier [Axis]: Foreside Financial Group, LLC | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       2,311                
Cost [7],[8],[12]       (21)                
Fair Value [7],[8],[12]       $ 0                
Investment, Identifier [Axis]: Foreside Financial Group, LLC | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.25% [3],[19],[20] 5.25% [3],[19],[20] 5.25% [3],[19],[20] 5.25% [7],[14],[15] 5.25% [7],[14],[15] 5.25% [7],[14],[15]            
Interest rate 9.14% [3],[16],[19],[20] 9.14% [3],[16],[19],[20] 9.14% [3],[16],[19],[20] 9.22% [7],[14],[15],[17] 9.22% [7],[14],[15],[17] 9.22% [7],[14],[15],[17]            
Principal Amount or Par Value $ 7,746 [3],[9],[19],[20]     $ 36,810 [7],[11],[14],[15]                
Cost 7,735 [3],[19],[20]     36,683 [7],[14],[15]                
Fair Value $ 7,746 [3],[19],[20]     $ 36,810 [7],[14],[15]                
Investment, Identifier [Axis]: Foreside Financial Group, LLC | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.25% [3],[4],[22] 5.25% [3],[4],[22] 5.25% [3],[4],[22] 5.25% [7],[8],[18] 5.25% [7],[8],[18] 5.25% [7],[8],[18]            
Interest rate 9.14% [3],[4],[16],[22] 9.14% [3],[4],[16],[22] 9.14% [3],[4],[16],[22] 9.22% [7],[8],[17],[18] 9.22% [7],[8],[17],[18] 9.22% [7],[8],[17],[18]            
Principal Amount or Par Value $ 273 [3],[4],[9],[22]     $ 4,033 [7],[8],[11],[18]                
Cost 271 [3],[4],[22]     4,012 [7],[8],[18]                
Fair Value $ 273 [3],[4],[22]     $ 4,033 [7],[8],[18]                
Investment, Identifier [Axis]: Fortis Solutions Group, LLC | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.50% [3],[4],[10],[22] 5.50% [3],[4],[10],[22] 5.50% [3],[4],[10],[22] 5.50% [7],[8],[12],[18] 5.50% [7],[8],[12],[18] 5.50% [7],[8],[12],[18]            
Interest rate 9.33% [3],[4],[10],[16],[22] 9.33% [3],[4],[10],[16],[22] 9.33% [3],[4],[10],[16],[22] 9.27% [7],[8],[12],[17],[18] 9.27% [7],[8],[12],[17],[18] 9.27% [7],[8],[12],[17],[18]            
Principal Amount or Par Value $ 1,573 [3],[4],[9],[10],[22]     $ 834 [7],[8],[11],[12],[18]                
Cost 1,558 [3],[4],[10],[22]     826 [7],[8],[12],[18]                
Fair Value 1,573 [3],[4],[10],[22]     834 [7],[8],[12],[18]                
Investment, Identifier [Axis]: Fortis Solutions Group, LLC | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 1,287 [3],[4],[9],[10]     2,026 [7],[8],[11],[12]                
Cost (13) [3],[4],[10]     (20) [7],[8],[12]                
Fair Value $ 0 [3],[4],[10]     $ 0 [7],[8],[12]                
Investment, Identifier [Axis]: Fortis Solutions Group, LLC | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.50% [3],[19],[20] 5.50% [3],[19],[20] 5.50% [3],[19],[20] 5.50% [7],[14],[15] 5.50% [7],[14],[15] 5.50% [7],[14],[15]            
Interest rate 9.33% [3],[16],[19],[20] 9.33% [3],[16],[19],[20] 9.33% [3],[16],[19],[20] 9.27% [7],[14],[15],[17] 9.27% [7],[14],[15],[17] 9.27% [7],[14],[15],[17]            
Principal Amount or Par Value $ 29,082 [3],[9],[19],[20]     $ 29,234 [7],[11],[14],[15]                
Cost 28,963 [3],[19],[20]     29,095 [7],[14],[15]                
Fair Value $ 29,082 [3],[19],[20]     $ 29,234 [7],[14],[15]                
Investment, Identifier [Axis]: Fortis Solutions Group, LLC | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.50% [3],[4],[22] 5.50% [3],[4],[22] 5.50% [3],[4],[22] 5.50% [7],[8],[18] 5.50% [7],[8],[18] 5.50% [7],[8],[18]            
Interest rate 9.33% [3],[4],[16],[22] 9.33% [3],[4],[16],[22] 9.33% [3],[4],[16],[22] 9.27% [7],[8],[17],[18] 9.27% [7],[8],[17],[18] 9.27% [7],[8],[17],[18]            
Principal Amount or Par Value $ 967 [3],[4],[9],[22]     $ 972 [7],[8],[11],[18]                
Cost 970 [3],[4],[22]     974 [7],[8],[18]                
Fair Value $ 967 [3],[4],[22]     $ 972 [7],[8],[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% [7],[8] 5.50% [7],[8] 5.50% [7],[8]            
Interest rate 9.33% [3],[4],[16] 9.33% [3],[4],[16] 9.33% [3],[4],[16] 9.27% [7],[8],[17] 9.27% [7],[8],[17] 9.27% [7],[8],[17]            
Principal Amount or Par Value $ 78 [3],[4],[9]     $ 79 [7],[8],[11]                
Cost 78 [3],[4]     78 [7],[8]                
Fair Value $ 78 [3],[4]     $ 79 [7],[8]                
Investment, Identifier [Axis]: Foundational Education Group, Inc. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.25% [3],[19],[20] 4.25% [3],[19],[20] 4.25% [3],[19],[20] 3.75% [14],[15] 3.75% [14],[15] 3.75% [14],[15]            
Interest rate 8.18% [3],[16],[19],[20] 8.18% [3],[16],[19],[20] 8.18% [3],[16],[19],[20] 7.85% [14],[15],[17] 7.85% [14],[15],[17] 7.85% [14],[15],[17]            
Principal Amount or Par Value $ 6,317 [3],[9],[19],[20]     $ 6,350 [11],[14],[15]                
Cost 5,921 [3],[19],[20]     5,871 [14],[15]                
Fair Value $ 5,875 [3],[19],[20]     $ 5,871 [14],[15]                
Investment, Identifier [Axis]: Foundational Education Group, Inc. | Second lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.50% [3],[30] 6.50% [3],[30] 6.50% [3],[30] 6.50% [7],[31] 6.50% [7],[31] 6.50% [7],[31]            
Interest rate 10.43% [3],[16],[30] 10.43% [3],[16],[30] 10.43% [3],[16],[30] 10.60% [7],[17],[31] 10.60% [7],[17],[31] 10.60% [7],[17],[31]            
Principal Amount or Par Value $ 22,500 [3],[9],[30]     $ 22,500 [7],[11],[31]                
Cost 22,444 [3],[30]     22,436 [7],[31]                
Fair Value $ 22,500 [3],[30]     $ 22,500 [7],[31]                
Investment, Identifier [Axis]: Foundational Education Group, Inc. | Second lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.50% [3],[4],[22] 6.50% [3],[4],[22] 6.50% [3],[4],[22] 6.50% [7],[8],[18] 6.50% [7],[8],[18] 6.50% [7],[8],[18]            
Interest rate 10.43% [3],[4],[16],[22] 10.43% [3],[4],[16],[22] 10.43% [3],[4],[16],[22] 10.60% [7],[8],[17],[18] 10.60% [7],[8],[17],[18] 10.60% [7],[8],[17],[18]            
Principal Amount or Par Value $ 10,965 [3],[4],[9],[22]     $ 10,965 [7],[8],[11],[18]                
Cost 10,778 [3],[4],[22]     10,754 [7],[8],[18]                
Fair Value $ 10,965 [3],[4],[22]     $ 10,965 [7],[8],[18]                
Investment, Identifier [Axis]: Fullsteam Operations LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.25% [3],[19],[20] 5.25% [3],[19],[20] 5.25% [3],[19],[20] 5.25% [7],[14],[15] 5.25% [7],[14],[15] 5.25% [7],[14],[15]            
Interest rate 8.90% [3],[16],[19],[20] 8.90% [3],[16],[19],[20] 8.90% [3],[16],[19],[20] 9.11% [7],[14],[15],[17] 9.11% [7],[14],[15],[17] 9.11% [7],[14],[15],[17]            
Principal Amount or Par Value $ 6,223 [3],[9],[19],[20]     $ 6,223 [7],[11],[14],[15]                
Cost 6,196 [3],[19],[20]     6,193 [7],[14],[15]                
Fair Value $ 6,192 [3],[19],[20]     6,192 [7],[14],[15]                
Investment, Identifier [Axis]: Fullsteam Operations LLC | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[10] 5.25% 5.25% 5.25%                  
Interest rate [3],[4],[10],[16] 8.88% 8.88% 8.88%                  
Principal Amount or Par Value [3],[4],[9],[10] $ 225                      
Cost [3],[4],[10] 224                      
Fair Value [3],[4],[10] 224                      
Investment, Identifier [Axis]: Fullsteam Operations LLC | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 467 [3],[4],[9],[10]     691 [7],[8],[11],[12]                
Cost (2) [3],[4],[10]     (3) [7],[8],[12]                
Fair Value (2) [3],[4],[10]     (3) [7],[8],[12]                
Investment, Identifier [Axis]: Fullsteam Operations LLC | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 2,074 [3],[4],[9],[10]     2,074 [7],[8],[11],[12]                
Cost 0 [3],[4],[10]     0 [7],[8],[12]                
Fair Value $ (10) [3],[4],[10]     (10) [7],[8],[12]                
Investment, Identifier [Axis]: GC Waves Holdings, Inc. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[30] 4.50% 4.50% 4.50%                  
Interest rate [3],[16],[30] 8.14% 8.14% 8.14%                  
Principal Amount or Par Value [3],[9],[30] $ 21,126                      
Cost [3],[30] 21,078                      
Fair Value [3],[30] 21,126                      
Investment, Identifier [Axis]: GC Waves Holdings, Inc. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 3,951 [3],[4],[9],[10]     3,951 [7],[8],[11],[12]                
Cost (30) [3],[4],[10]     (30) [7],[8],[12]                
Fair Value 0 [3],[4],[10]     $ 0 [7],[8],[12]                
Investment, Identifier [Axis]: GC Waves Holdings, Inc. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[14],[15]       4.50% 4.50% 4.50%            
Interest rate [7],[14],[15],[17]       8.22% 8.22% 8.22%            
Principal Amount or Par Value [7],[11],[14],[15]       $ 35,918                
Cost [7],[14],[15]       35,742                
Fair Value [7],[14],[15]       $ 35,918                
Investment, Identifier [Axis]: GC Waves Holdings, Inc. | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[31]       4.50% 4.50% 4.50%            
Interest rate [7],[17],[31]       8.22% 8.22% 8.22%            
Principal Amount or Par Value [7],[11],[31]       $ 21,233                
Cost [7],[31]       21,180                
Fair Value [7],[31]       21,233                
Investment, Identifier [Axis]: GEDC Equity, LLC | Participation Interest                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost 190 [3],[4]     190 [7],[8]                
Fair Value $ 0 [3],[4]     $ 50 [7],[8]                
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[10] 5.25% 5.25% 5.25%                  
Interest rate [3],[4],[10],[16] 8.98% 8.98% 8.98%                  
Principal Amount or Par Value [3],[4],[9],[10] $ 4,818                      
Cost [3],[4],[10] 4,793                      
Fair Value [3],[4],[10] 4,522                      
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien - Drawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[12]       5.25% 5.25% 5.25%            
Interest rate [7],[8],[12],[17]       8.92% 8.92% 8.92%            
Principal Amount or Par Value [7],[8],[11],[12]       $ 1,786                
Cost [7],[8],[12]       1,779                
Fair Value [7],[8],[12]       $ 1,786                
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien - Drawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[12]       5.25% 5.25% 5.25%            
Interest rate [7],[8],[12],[17]       8.92% 8.92% 8.92%            
Principal Amount or Par Value [7],[8],[11],[12]       $ 448                
Cost [7],[8],[12]       446                
Fair Value [7],[8],[12]       448                
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [3],[4],[9],[10] 3                      
Cost [3],[4],[10] 0                      
Fair Value [3],[4],[10] $ 0                      
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       759                
Cost [7],[8],[12]       0                
Fair Value [7],[8],[12]       0                
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       3,036                
Cost [7],[8],[12]       (19)                
Fair Value [7],[8],[12]       $ 0                
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.25% [3],[30] 5.25% [3],[30] 5.25% [3],[30] 5.25% [7],[14],[15] 5.25% [7],[14],[15] 5.25% [7],[14],[15]            
Interest rate 8.98% [3],[16],[30] 8.98% [3],[16],[30] 8.98% [3],[16],[30] 8.92% [7],[14],[15],[17] 8.92% [7],[14],[15],[17] 8.92% [7],[14],[15],[17]            
Principal Amount or Par Value $ 20,962 [3],[9],[30]     $ 25,079 [7],[11],[14],[15]                
Cost 20,941 [3],[30]     25,049 [7],[14],[15]                
Fair Value $ 19,673 [3],[30]     $ 25,079 [7],[14],[15]                
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.25% [3],[4] 5.25% [3],[4] 5.25% [3],[4] 5.25% [7],[31] 5.25% [7],[31] 5.25% [7],[31]            
Interest rate 8.98% [3],[4],[16] 8.98% [3],[4],[16] 8.98% [3],[4],[16] 8.92% [7],[17],[31] 8.92% [7],[17],[31] 8.92% [7],[17],[31]            
Principal Amount or Par Value $ 446 [3],[4],[9]     $ 21,074 [7],[11],[31]                
Cost 444 [3],[4]     21,048 [7],[31]                
Fair Value $ 419 [3],[4]     $ 21,074 [7],[31]                
Investment, Identifier [Axis]: GS Acquisitionco, Inc. | First lien 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[18]       5.25% 5.25% 5.25%            
Interest rate [7],[8],[17],[18]       8.92% 8.92% 8.92%            
Principal Amount or Par Value [7],[8],[11],[18]       $ 2,878                
Cost [7],[8],[18]       2,874                
Fair Value [7],[8],[18]       $ 2,878                
Investment, Identifier [Axis]: Greenway Health, LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.75% [3],[4],[22] 6.75% [3],[4],[22] 6.75% [3],[4],[22] 6.75% [7],[8],[18] 6.75% [7],[8],[18] 6.75% [7],[8],[18]            
Interest rate 10.60% [3],[4],[16],[22] 10.60% [3],[4],[16],[22] 10.60% [3],[4],[16],[22] 10.42% [7],[8],[17],[18] 10.42% [7],[8],[17],[18] 10.42% [7],[8],[17],[18]            
Principal Amount or Par Value $ 6,206 [3],[4],[9],[22]     $ 6,238 [7],[8],[11],[18]                
Cost 6,152 [3],[4],[22]     6,175 [7],[8],[18]                
Fair Value $ 6,085 [3],[4],[22]     $ 6,238 [7],[8],[18]                
Investment, Identifier [Axis]: HBWM Holdings, LLC | Common Units                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[23],[45],[46] 4.00% 4.00% 4.00%                  
Interest rate [3],[16],[45],[46] 4.00% 4.00% 4.00%                  
Cost [3],[45],[46] $ 4,810                      
Fair Value [3],[45],[46] 10,922                      
Investment, Identifier [Axis]: HBWM Holdings, LLC | Common units                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[24],[47],[48]       4.00% 4.00% 4.00%            
Interest rate [7],[17],[47],[48]       4.00% 4.00% 4.00%            
Principal Amount or Par Value $ 4,810     $ 4,776                
Cost [7],[47],[48]       4,776                
Fair Value [7],[47],[48]       $ 10,854                
Investment, Identifier [Axis]: HP TLE Buyer, Inc. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.75% [3],[19],[20] 4.75% [3],[19],[20] 4.75% [3],[19],[20] 4.75% [7],[14],[15] 4.75% [7],[14],[15] 4.75% [7],[14],[15]            
Interest rate 8.48% [3],[16],[19],[20] 8.48% [3],[16],[19],[20] 8.48% [3],[16],[19],[20] 8.42% [7],[14],[15],[17] 8.42% [7],[14],[15],[17] 8.42% [7],[14],[15],[17]            
Principal Amount or Par Value $ 8,168 [3],[9],[19],[20]     $ 8,168 [7],[11],[14],[15]                
Cost 8,131 [3],[19],[20]     8,129 [7],[14],[15]                
Fair Value 8,168 [3],[19],[20]     8,127 [7],[14],[15]                
Investment, Identifier [Axis]: HP TLE Buyer, Inc. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 1,797 [3],[4],[9],[10]     1,797 [7],[8],[11],[12]                
Cost (9) [3],[4],[10]     (9) [7],[8],[12]                
Fair Value $ 0 [3],[4],[10]     $ (9) [7],[8],[12]                
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc. | Second lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK 9.00% [3],[23],[30] 9.00% [3],[23],[30] 9.00% [3],[23],[30] 9.00% [7],[24],[31] 9.00% [7],[24],[31] 9.00% [7],[24],[31]            
Interest rate 12.74% [3],[16],[30] 12.74% [3],[16],[30] 12.74% [3],[16],[30] 12.97% [7],[17],[31] 12.97% [7],[17],[31] 12.97% [7],[17],[31]            
Principal Amount or Par Value $ 24,854 [3],[9],[30]     $ 23,738 [7],[11],[31]                
Cost 24,806 [3],[30]     23,683 [7],[31]                
Fair Value $ 15,345 [3],[30]     $ 19,640 [7],[31]                
Investment, Identifier [Axis]: HS Purchaser, LLC / Help/Systems Holdings, Inc. | Second lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK 9.00% [3],[20],[23] 9.00% [3],[20],[23] 9.00% [3],[20],[23] 9.00% [7],[14],[15],[24] 9.00% [7],[14],[15],[24] 9.00% [7],[14],[15],[24]            
Interest rate 12.74% [3],[16],[20] 12.74% [3],[16],[20] 12.74% [3],[16],[20] 12.97% [7],[14],[15],[17] 12.97% [7],[14],[15],[17] 12.97% [7],[14],[15],[17]            
Principal Amount or Par Value $ 4,648 [3],[9],[20]     $ 4,440 [7],[11],[14],[15]                
Cost 4,632 [3],[20]     4,421 [7],[14],[15]                
Fair Value 2,870 [3],[20]     $ 3,673 [7],[14],[15]                
Investment, Identifier [Axis]: Healthspan Buyer, LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[18]       4.75% 4.75% 4.75%            
Interest rate [7],[8],[17],[18]       8.42% 8.42% 8.42%            
Principal Amount or Par Value [7],[8],[11],[18]       $ 5,018                
Cost [7],[8],[18]       4,980                
Fair Value [7],[8],[18]       5,018                
Investment, Identifier [Axis]: Healthspan Buyer, LLC | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 1,229 [3],[4],[9],[10]     1,229 [7],[8],[11],[12]                
Cost (12) [3],[4],[10]     (12) [7],[8],[12]                
Fair Value $ 0 [3],[4],[10]     $ 0 [7],[8],[12]                
Investment, Identifier [Axis]: Healthspan Buyer, LLC | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[19],[20] 4.75% 4.75% 4.75%                  
Interest rate [3],[16],[19],[20] 8.48% 8.48% 8.48%                  
Principal Amount or Par Value [3],[9],[19],[20] $ 32,320                      
Cost [3],[19],[20] 32,007                      
Fair Value [3],[19],[20] $ 32,320                      
Investment, Identifier [Axis]: Healthspan Buyer, LLC | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[22] 4.75% 4.75% 4.75%                  
Interest rate [3],[4],[16],[22] 8.48% 8.48% 8.48%                  
Principal Amount or Par Value [3],[4],[9],[22] $ 4,992                      
Cost [3],[4],[22] 4,958                      
Fair Value [3],[4],[22] $ 4,992                      
Investment, Identifier [Axis]: Houghton Mifflin Harcourt Company | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.25% [19],[20] 5.25% [19],[20] 5.25% [19],[20] 5.25% [14],[15] 5.25% [14],[15] 5.25% [14],[15]            
Interest rate 9.01% [16],[19],[20] 9.01% [16],[19],[20] 9.01% [16],[19],[20] 9.07% [14],[15],[17] 9.07% [14],[15],[17] 9.07% [14],[15],[17]            
Principal Amount or Par Value $ 14,262 [9],[19],[20]     $ 14,336 [11],[14],[15]                
Cost 14,003 [19],[20]     14,044 [14],[15]                
Fair Value 11,331 [19],[20]     12,689 [14],[15]                
Investment, Identifier [Axis]: IG Investments Holdings, LLC | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 3,780 [3],[4],[9],[10]     3,780 [7],[8],[11],[12]                
Cost (38) [3],[4],[10]     (38) [7],[8],[12]                
Fair Value $ 0 [3],[4],[10]     $ 0 [7],[8],[12]                
Investment, Identifier [Axis]: IG Investments Holdings, LLC | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.00% [3],[19],[20] 5.00% [3],[19],[20] 5.00% [3],[19],[20] 5.00% [7],[14],[15] 5.00% [7],[14],[15] 5.00% [7],[14],[15]            
Interest rate 8.66% [3],[16],[19],[20] 8.66% [3],[16],[19],[20] 8.66% [3],[16],[19],[20] 8.84% [7],[14],[15],[17] 8.84% [7],[14],[15],[17] 8.84% [7],[14],[15],[17]            
Principal Amount or Par Value $ 32,307 [3],[9],[19],[20]     $ 32,471 [7],[11],[14],[15]                
Cost 32,190 [3],[19],[20]     32,329 [7],[14],[15]                
Fair Value $ 32,307 [3],[19],[20]     $ 32,471 [7],[14],[15]                
Investment, Identifier [Axis]: IG Investments Holdings, LLC | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.00% [3],[4],[22] 5.00% [3],[4],[22] 5.00% [3],[4],[22] 5.00% [7],[8],[18] 5.00% [7],[8],[18] 5.00% [7],[8],[18]            
Interest rate 8.66% [3],[4],[16],[22] 8.66% [3],[4],[16],[22] 8.66% [3],[4],[16],[22] 8.84% [7],[8],[17],[18] 8.84% [7],[8],[17],[18] 8.84% [7],[8],[17],[18]            
Principal Amount or Par Value $ 2,504 [3],[4],[9],[22]     $ 2,517 [7],[8],[11],[18]                
Cost 2,506 [3],[4],[22]     2,517 [7],[8],[18]                
Fair Value 2,504 [3],[4],[22]     2,517 [7],[8],[18]                
Investment, Identifier [Axis]: IMA Financial Group, Inc. | Class C Common Shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[4],[22] 4,411                      
Fair Value [3],[4],[22] $ 4,411                      
Investment, Identifier [Axis]: Icefall Parent, Inc. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[22] 4.50% 4.50% 4.50%                  
Interest rate [3],[4],[16],[22] 8.23% 8.23% 8.23%                  
Principal Amount or Par Value [3],[4],[9],[22] $ 4,828                      
Cost [3],[4],[22] 4,661                      
Fair Value [3],[4],[22] 4,828                      
Investment, Identifier [Axis]: Icefall Parent, Inc. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [3],[4],[9],[10] 475                      
Cost [3],[4],[10] (17)                      
Fair Value [3],[4],[10] 0                      
Investment, Identifier [Axis]: Infogain Corporation | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 3,593 [3],[4],[9],[10]     3,827 [7],[8],[11],[12]                
Cost (27) [3],[4],[10]     (29) [7],[8],[12]                
Fair Value $ 0 [3],[4],[10]     $ 0 [7],[8],[12]                
Investment, Identifier [Axis]: Infogain Corporation | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.75% [3],[19],[20] 5.75% [3],[19],[20] 5.75% [3],[19],[20] 5.75% [7],[14],[15] 5.75% [7],[14],[15] 5.75% [7],[14],[15]            
Interest rate 9.49% [3],[16],[19],[20] 9.49% [3],[16],[19],[20] 9.49% [3],[16],[19],[20] 9.57% [7],[14],[15],[17] 9.57% [7],[14],[15],[17] 9.57% [7],[14],[15],[17]            
Principal Amount or Par Value $ 7,645 [3],[9],[19],[20]     $ 18,324 [7],[11],[14],[15]                
Cost 7,614 [3],[19],[20]     18,263 [7],[14],[15]                
Fair Value $ 7,645 [3],[19],[20]     $ 18,324 [7],[14],[15]                
Investment, Identifier [Axis]: Infogain Corporation | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.75% [3],[4],[10] 5.75% [3],[4],[10] 5.75% [3],[4],[10] 5.75% [7],[14],[15] 5.75% [7],[14],[15] 5.75% [7],[14],[15]            
Interest rate 9.49% [3],[4],[10],[16] 9.49% [3],[4],[10],[16] 9.49% [3],[4],[10],[16] 9.57% [7],[14],[15],[17] 9.57% [7],[14],[15],[17] 9.57% [7],[14],[15],[17]            
Principal Amount or Par Value $ 234 [3],[4],[9],[10]     $ 7,685 [7],[11],[14],[15]                
Cost 233 [3],[4],[10]     7,647 [7],[14],[15]                
Fair Value $ 234 [3],[4],[10]     $ 7,685 [7],[14],[15]                
Investment, Identifier [Axis]: Infogain Corporation | Subordinated                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 7.50% [3],[4] 7.50% [3],[4] 7.50% [3],[4] 7.50% [7],[8] 7.50% [7],[8] 7.50% [7],[8]            
Interest rate 11.24% [3],[4],[16] 11.24% [3],[4],[16] 11.24% [3],[4],[16] 11.27% [7],[8],[17] 11.27% [7],[8],[17] 11.27% [7],[8],[17]            
Principal Amount or Par Value $ 6,265 [3],[4],[9]     $ 16,661 [7],[8],[11]                
Cost 6,223 [3],[4]     16,534 [7],[8]                
Fair Value 6,265 [3],[4]     $ 16,661 [7],[8]                
Investment, Identifier [Axis]: Investment, Affiliated Issuer, Controlled, Majority-Owned                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Interest rate                     7.00%  
Investment, Identifier [Axis]: Ivy Hill Middle Market Credit Fund, Ltd | Structured Finance Obligation                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[29]       7.00% 7.00% 7.00%            
Interest rate [7],[8],[17],[29]       10.86% 10.86% 10.86%            
Principal Amount or Par Value 3,232 [3],[4],[9],[28]     $ 3,232 [7],[8],[11],[29]                
Cost 3,232 [3],[4],[28]     3,232 [7],[8],[29]                
Fair Value 3,191 [3],[4],[28]     $ 3,277 [7],[8],[29]                
Investment, Identifier [Axis]: Jawbreaker Parent, Inc. | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [3],[4],[9],[10] 1,503                      
Cost [3],[4],[10] 0                      
Fair Value [3],[4],[10] (8)                      
Investment, Identifier [Axis]: Jawbreaker Parent, Inc. | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [3],[4],[9],[10] 1,503                      
Cost [3],[4],[10] (8)                      
Fair Value [3],[4],[10] $ (8)                      
Investment, Identifier [Axis]: Jawbreaker Parent, Inc. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[19],[20] 4.75% 4.75% 4.75%                  
Interest rate [3],[16],[19],[20] 8.48% 8.48% 8.48%                  
Principal Amount or Par Value [3],[9],[19],[20] $ 7,796                      
Cost [3],[19],[20] 7,759                      
Fair Value [3],[19],[20] $ 7,757                      
Investment, Identifier [Axis]: Jawbreaker Parent, Inc. | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[22] 4.75% 4.75% 4.75%                  
Interest rate [3],[4],[16],[22] 8.48% 8.48% 8.48%                  
Principal Amount or Par Value [3],[4],[9],[22] $ 3,728                      
Cost [3],[4],[22] 3,728                      
Fair Value [3],[4],[22] 3,709                      
Investment, Identifier [Axis]: Jawbreaker Topco, L.P. | Class A-1 Common Units                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[4],[49] 2,476                      
Fair Value [3],[4],[49] $ 2,476                      
Investment, Identifier [Axis]: KPSKY Acquisition Inc. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.50% [3],[4],[22] 5.50% [3],[4],[22] 5.50% [3],[4],[22] 5.50% [7],[8],[18] 5.50% [7],[8],[18] 5.50% [7],[8],[18]            
Interest rate 9.26% [3],[4],[16],[22] 9.26% [3],[4],[16],[22] 9.26% [3],[4],[16],[22] 9.44% [7],[8],[17],[18] 9.44% [7],[8],[17],[18] 9.44% [7],[8],[17],[18]            
Principal Amount or Par Value $ 6,721 [3],[4],[9],[22]     $ 6,756 [7],[8],[11],[18]                
Cost 6,695 [3],[4],[22]     6,724 [7],[8],[18]                
Fair Value $ 6,157 [3],[4],[22]     $ 6,331 [7],[8],[18]                
Investment, Identifier [Axis]: KPSKY Acquisition Inc. | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.50% [3],[4],[22] 5.50% [3],[4],[22] 5.50% [3],[4],[22] 5.50% [7],[8],[18] 5.50% [7],[8],[18] 5.50% [7],[8],[18]            
Interest rate 9.25% [3],[4],[16],[22] 9.25% [3],[4],[16],[22] 9.25% [3],[4],[16],[22] 9.46% [7],[8],[17],[18] 9.46% [7],[8],[17],[18] 9.46% [7],[8],[17],[18]            
Principal Amount or Par Value $ 1,131 [3],[4],[9],[22]     $ 1,137 [7],[8],[11],[18]                
Cost 1,126 [3],[4],[22]     1,130 [7],[8],[18]                
Fair Value $ 1,036 [3],[4],[22]     $ 1,066 [7],[8],[18]                
Investment, Identifier [Axis]: KPSKY Acquisition Inc. | First lien 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.50% [3],[4],[22] 5.50% [3],[4],[22] 5.50% [3],[4],[22] 5.50% [7],[8],[18] 5.50% [7],[8],[18] 5.50% [7],[8],[18]            
Interest rate 9.27% [3],[4],[16],[22] 9.27% [3],[4],[16],[22] 9.27% [3],[4],[16],[22] 9.53% [7],[8],[17],[18] 9.53% [7],[8],[17],[18] 9.53% [7],[8],[17],[18]            
Principal Amount or Par Value $ 770 [3],[4],[9],[22]     $ 774 [7],[8],[11],[18]                
Cost 767 [3],[4],[22]     770 [7],[8],[18]                
Fair Value $ 706 [3],[4],[22]     $ 726 [7],[8],[18]                
Investment, Identifier [Axis]: KPSKY Acquisition Inc. | First lien 4                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.75% [3],[4] 5.75% [3],[4] 5.75% [3],[4] 5.75% [7],[8] 5.75% [7],[8] 5.75% [7],[8]            
Interest rate 9.51% [3],[4],[16] 9.51% [3],[4],[16] 9.51% [3],[4],[16] 9.67% [7],[8],[17] 9.67% [7],[8],[17] 9.67% [7],[8],[17]            
Principal Amount or Par Value $ 19 [3],[4],[9]     $ 19 [7],[8],[11]                
Cost 18 [3],[4]     18 [7],[8]                
Fair Value $ 17 [3],[4]     $ 18 [7],[8]                
Investment, Identifier [Axis]: Kele Holdco, Inc. | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.50% [3],[4],[10],[22] 4.50% [3],[4],[10],[22] 4.50% [3],[4],[10],[22] 4.50% [7],[8],[12],[18] 4.50% [7],[8],[12],[18] 4.50% [7],[8],[12],[18]            
Interest rate 8.14% [3],[4],[10],[16],[22] 8.14% [3],[4],[10],[16],[22] 8.14% [3],[4],[10],[16],[22] 8.22% [7],[8],[12],[17],[18] 8.22% [7],[8],[12],[17],[18] 8.22% [7],[8],[12],[17],[18]            
Principal Amount or Par Value $ 1,079 [3],[4],[9],[10],[22]     $ 270 [7],[8],[11],[12],[18]                
Cost 1,074 [3],[4],[10],[22]     269 [7],[8],[12],[18]                
Fair Value 1,079 [3],[4],[10],[22]     270 [7],[8],[12],[18]                
Investment, Identifier [Axis]: Kele Holdco, Inc. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 720 [3],[4],[9],[10]     1,529 [7],[8],[11],[12]                
Cost (4) [3],[4],[10]     (8) [7],[8],[12]                
Fair Value $ 0 [3],[4],[10]     $ 0 [7],[8],[12]                
Investment, Identifier [Axis]: Kele Holdco, Inc. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.50% [3],[30] 4.50% [3],[30] 4.50% [3],[30] 4.50% [7],[31] 4.50% [7],[31] 4.50% [7],[31]            
Interest rate 8.14% [3],[16],[30] 8.14% [3],[16],[30] 8.14% [3],[16],[30] 8.22% [7],[17],[31] 8.22% [7],[17],[31] 8.22% [7],[17],[31]            
Principal Amount or Par Value $ 14,392 [3],[9],[30]     $ 14,473 [7],[11],[31]                
Cost 14,383 [3],[30]     14,461 [7],[31]                
Fair Value $ 14,392 [3],[30]     $ 14,473 [7],[31]                
Investment, Identifier [Axis]: Kele Holdco, Inc. | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.50% [3],[30] 4.50% [3],[30] 4.50% [3],[30] 4.50% [7],[31] 4.50% [7],[31] 4.50% [7],[31]            
Interest rate 8.14% [3],[16],[30] 8.14% [3],[16],[30] 8.14% [3],[16],[30] 8.22% [7],[17],[31] 8.22% [7],[17],[31] 8.22% [7],[17],[31]            
Principal Amount or Par Value $ 1,109 [3],[9],[30]     $ 1,241 [7],[11],[31]                
Cost 1,106 [3],[30]     1,236 [7],[31]                
Fair Value $ 1,109 [3],[30]     $ 1,241 [7],[31]                
Investment, Identifier [Axis]: Knockout Intermediate Holdings I Inc. | Preferred Shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [3],[4],[23],[50] 10.75% 10.75% 10.75%                  
Interest rate [3],[4],[16],[50] 14.60% 14.60% 14.60%                  
Cost [3],[4],[50] $ 14,203                      
Fair Value [3],[4],[50] 9,294                      
Investment, Identifier [Axis]: Knockout Intermediate Holdings I Inc. | Preferred shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [7],[8],[24],[51]       10.75% 10.75% 10.75%            
Interest rate [7],[8],[17],[51]       14.35% 14.35% 14.35%            
Principal Amount or Par Value $ 14,279     $ 13,323                
Cost [7],[8],[51]       13,248                
Fair Value [7],[8],[51]       $ 13,324                
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[24],[31]       2.75% 2.75% 2.75%            
PIK [7],[24],[31]       2.75% 2.75% 2.75%            
Interest rate [7],[17],[31]       9.23% 9.23% 9.23%            
Principal Amount or Par Value [7],[11],[31]       $ 6,250                
Cost [7],[31]       6,198                
Fair Value [7],[31]       $ 6,250                
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[10] 5.00% 5.00% 5.00%                  
Interest rate [3],[4],[10],[16] 8.64% 8.64% 8.64%                  
Principal Amount or Par Value [3],[4],[9],[10] $ 197                      
Cost [3],[4],[10] 195                      
Fair Value [3],[4],[10] 193                      
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien - Drawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[12],[31]       5.00% 5.00% 5.00%            
Interest rate [7],[12],[17],[31]       8.73% 8.73% 8.73%            
Principal Amount or Par Value [7],[11],[12],[31]       $ 296                
Cost [7],[12],[31]       293                
Fair Value [7],[12],[31]       $ 296                
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien - Drawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[12]       5.00% 5.00% 5.00%            
Interest rate [7],[8],[12],[17]       8.73% 8.73% 8.73%            
Principal Amount or Par Value [7],[8],[11],[12]       $ 233                
Cost [7],[8],[12]       230                
Fair Value [7],[8],[12]       233                
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [3],[4],[9],[10] 519                      
Cost [3],[4],[10] (5)                      
Fair Value [3],[4],[10] $ (10)                      
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[11],[12],[31]       61                
Cost [7],[12],[31]       0                
Fair Value [7],[12],[31]       0                
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       483                
Cost [7],[8],[12]       (5)                
Fair Value [7],[8],[12]       $ 0                
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[23],[30] 2.75% 2.75% 2.75%                  
PIK [3],[23],[30] 2.75% 2.75% 2.75%                  
Interest rate [3],[16],[30] 9.16% 9.16% 9.16%                  
Principal Amount or Par Value [3],[9],[30] $ 6,281                      
Cost [3],[30] 6,234                      
Fair Value [3],[30] $ 6,220                      
Investment, Identifier [Axis]: Legends Hospitality Holding Company, LLC | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[30] 5.00% 5.00% 5.00%                  
Interest rate [3],[16],[30] 8.66% 8.66% 8.66%                  
Principal Amount or Par Value [3],[9],[30] $ 355                      
Cost [3],[30] 351                      
Fair Value [3],[30] $ 348                      
Investment, Identifier [Axis]: Logrhythm, Inc. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 1.12% [3],[4],[23] 1.12% [3],[4],[23] 1.12% [3],[4],[23] 7.50% [7],[8] 7.50% [7],[8] 7.50% [7],[8]            
PIK [3],[4],[23] 6.38% 6.38% 6.38%                  
Interest rate 11.16% [3],[4],[16] 11.16% [3],[4],[16] 11.16% [3],[4],[16] 11.34% [7],[8],[17] 11.34% [7],[8],[17] 11.34% [7],[8],[17]            
Principal Amount or Par Value $ 4,231 [3],[4],[9]     $ 4,196 [7],[8],[11]                
Cost 4,189 [3],[4]     4,148 [7],[8]                
Fair Value 3,575 [3],[4]     3,994 [7],[8]                
Investment, Identifier [Axis]: Logrhythm, Inc. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 420 [3],[4],[9],[10]     420 [7],[8],[11],[12]                
Cost (6) [3],[4],[10]     (6) [7],[8],[12]                
Fair Value $ (65) [3],[4],[10]     (20) [7],[8],[12]                
Investment, Identifier [Axis]: Low Voltage Holdings Inc. | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[10] 4.50% 4.50% 4.50%                  
Interest rate [3],[4],[10],[16] 8.17% 8.17% 8.17%                  
Principal Amount or Par Value [3],[4],[9],[10] $ 290                      
Cost [3],[4],[10] 289                      
Fair Value [3],[4],[10] 289                      
Investment, Identifier [Axis]: Low Voltage Holdings Inc. | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 819 [3],[4],[9],[10]     819 [7],[8],[11],[12]                
Cost (3) [3],[4],[10]     (3) [7],[8],[12]                
Fair Value (3) [3],[4],[10]     (3) [7],[8],[12]                
Investment, Identifier [Axis]: Low Voltage Holdings Inc. | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 2,028 [3],[4],[9],[10]     2,317 [7],[8],[11],[12]                
Cost (8) [3],[4],[10]     (9) [7],[8],[12]                
Fair Value (8) [3],[4],[10]     (9) [7],[8],[12]                
Investment, Identifier [Axis]: Low Voltage Holdings Inc. | First lien - Undrawn 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 2,738 [3],[4],[9],[10]     3,698 [7],[8],[11],[12]                
Cost 0 [3],[4],[10]     0 [7],[8],[12]                
Fair Value $ (10) [3],[4],[10]     $ (14) [7],[8],[12]                
Investment, Identifier [Axis]: Low Voltage Holdings Inc. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.50% [3],[19],[20] 4.50% [3],[19],[20] 4.50% [3],[19],[20] 4.75% [7],[14],[15] 4.75% [7],[14],[15] 4.75% [7],[14],[15]            
Interest rate 8.23% [3],[16],[19],[20] 8.23% [3],[16],[19],[20] 8.23% [3],[16],[19],[20] 8.42% [7],[14],[15],[17] 8.42% [7],[14],[15],[17] 8.42% [7],[14],[15],[17]            
Principal Amount or Par Value $ 18,414 [3],[9],[19],[20]     $ 17,038 [7],[11],[14],[15]                
Cost 18,354 [3],[19],[20]     16,979 [7],[14],[15]                
Fair Value $ 18,345 [3],[19],[20]     $ 16,975 [7],[14],[15]                
Investment, Identifier [Axis]: Low Voltage Holdings Inc. | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.50% [3],[4],[22] 4.50% [3],[4],[22] 4.50% [3],[4],[22] 4.75% [7],[8],[18] 4.75% [7],[8],[18] 4.75% [7],[8],[18]            
Interest rate 8.23% [3],[4],[16],[22] 8.23% [3],[4],[16],[22] 8.23% [3],[4],[16],[22] 8.42% [7],[8],[17],[18] 8.42% [7],[8],[17],[18] 8.42% [7],[8],[17],[18]            
Principal Amount or Par Value $ 958 [3],[4],[9],[22]     $ 1,422 [7],[8],[11],[18]                
Cost 954 [3],[4],[22]     1,417 [7],[8],[18]                
Fair Value $ 954 [3],[4],[22]     $ 1,417 [7],[8],[18]                
Investment, Identifier [Axis]: MRI Software LLC | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.75% [3],[4],[10] 4.75% [3],[4],[10] 4.75% [3],[4],[10] 4.75% [7],[8],[12] 4.75% [7],[8],[12] 4.75% [7],[8],[12]            
Interest rate 8.48% [3],[4],[10],[16] 8.48% [3],[4],[10],[16] 8.48% [3],[4],[10],[16] 8.44% [7],[8],[12],[17] 8.44% [7],[8],[12],[17] 8.44% [7],[8],[12],[17]            
Principal Amount or Par Value $ 501 [3],[4],[9],[10]     $ 400 [7],[8],[11],[12]                
Cost 498 [3],[4],[10]     398 [7],[8],[12]                
Fair Value 492 [3],[4],[10]     400 [7],[8],[12]                
Investment, Identifier [Axis]: MRI Software LLC | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 1,502 [3],[4],[9],[10]     1,602 [7],[8],[11],[12]                
Cost (8) [3],[4],[10]     (8) [7],[8],[12]                
Fair Value $ (26) [3],[4],[10]     $ 0 [7],[8],[12]                
Investment, Identifier [Axis]: MRI Software LLC | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.75% [3],[30] 4.75% [3],[30] 4.75% [3],[30] 4.75% [7],[31] 4.75% [7],[31] 4.75% [7],[31]            
Interest rate 8.48% [3],[16],[30] 8.48% [3],[16],[30] 8.48% [3],[16],[30] 8.42% [7],[17],[31] 8.42% [7],[17],[31] 8.42% [7],[17],[31]            
Principal Amount or Par Value $ 21,092 [3],[9],[30]     $ 21,205 [7],[11],[31]                
Cost 21,075 [3],[30]     21,183 [7],[31]                
Fair Value $ 20,734 [3],[30]     $ 21,205 [7],[31]                
Investment, Identifier [Axis]: MRI Software LLC | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.75% [3],[4],[22] 4.75% [3],[4],[22] 4.75% [3],[4],[22] 4.75% [7],[8],[18] 4.75% [7],[8],[18] 4.75% [7],[8],[18]            
Interest rate 8.48% [3],[4],[16],[22] 8.48% [3],[4],[16],[22] 8.48% [3],[4],[16],[22] 8.42% [7],[8],[17],[18] 8.42% [7],[8],[17],[18] 8.42% [7],[8],[17],[18]            
Principal Amount or Par Value $ 7,472 [3],[4],[9],[22]     $ 7,512 [7],[8],[11],[18]                
Cost 7,469 [3],[4],[22]     7,506 [7],[8],[18]                
Fair Value $ 7,345 [3],[4],[22]     $ 7,512 [7],[8],[18]                
Investment, Identifier [Axis]: MRI Software LLC | First lien 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.75% [3],[19],[20] 4.75% [3],[19],[20] 4.75% [3],[19],[20] 4.75% [7],[14],[15] 4.75% [7],[14],[15] 4.75% [7],[14],[15]            
Interest rate 8.48% [3],[16],[19],[20] 8.48% [3],[16],[19],[20] 8.48% [3],[16],[19],[20] 8.42% [7],[14],[15],[17] 8.42% [7],[14],[15],[17] 8.42% [7],[14],[15],[17]            
Principal Amount or Par Value $ 4,450 [3],[9],[19],[20]     $ 4,474 [7],[11],[14],[15]                
Cost 4,449 [3],[19],[20]     4,471 [7],[14],[15]                
Fair Value $ 4,375 [3],[19],[20]     $ 4,474 [7],[14],[15]                
Investment, Identifier [Axis]: MRI Software LLC | First lien 4                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.75% [3],[19],[20] 4.75% [3],[19],[20] 4.75% [3],[19],[20] 4.75% [7],[14],[15] 4.75% [7],[14],[15] 4.75% [7],[14],[15]            
Interest rate 8.48% [3],[16],[19],[20] 8.48% [3],[16],[19],[20] 8.48% [3],[16],[19],[20] 8.42% [7],[14],[15],[17] 8.42% [7],[14],[15],[17] 8.42% [7],[14],[15],[17]            
Principal Amount or Par Value $ 3,058 [3],[9],[19],[20]     $ 3,075 [7],[11],[14],[15]                
Cost 3,057 [3],[19],[20]     3,072 [7],[14],[15]                
Fair Value $ 3,006 [3],[19],[20]     $ 3,075 [7],[14],[15]                
Investment, Identifier [Axis]: MRI Software LLC | First lien 5                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.75% [3],[4],[22] 4.75% [3],[4],[22] 4.75% [3],[4],[22] 4.75% [7],[8],[18] 4.75% [7],[8],[18] 4.75% [7],[8],[18]            
Interest rate 8.48% [3],[4],[16],[22] 8.48% [3],[4],[16],[22] 8.48% [3],[4],[16],[22] 8.42% [7],[8],[17],[18] 8.42% [7],[8],[17],[18] 8.42% [7],[8],[17],[18]            
Principal Amount or Par Value $ 781 [3],[4],[9],[22]     $ 785 [7],[8],[11],[18]                
Cost 780 [3],[4],[22]     784 [7],[8],[18]                
Fair Value $ 767 [3],[4],[22]     $ 785 [7],[8],[18]                
Investment, Identifier [Axis]: Mai Capital Management Intermediate LLC | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[10],[22] 4.75% 4.75% 4.75%                  
Interest rate [3],[4],[10],[16],[22] 8.48% 8.48% 8.48%                  
Principal Amount or Par Value [3],[4],[9],[10],[22] $ 1,884                      
Cost [3],[4],[10],[22] 1,867                      
Fair Value [3],[4],[10],[22] 1,884                      
Investment, Identifier [Axis]: Mai Capital Management Intermediate LLC | First lien - Drawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[12],[18]       4.75% 4.75% 4.75%            
Interest rate [7],[8],[12],[17],[18]       8.42% 8.42% 8.42%            
Principal Amount or Par Value [7],[8],[11],[12],[18]       $ 1,979                
Cost [7],[8],[12],[18]       1,959                
Fair Value [7],[8],[12],[18]       $ 1,979                
Investment, Identifier [Axis]: Mai Capital Management Intermediate LLC | First lien - Drawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[12]       4.75% 4.75% 4.75%            
Interest rate [7],[8],[12],[17]       8.43% 8.43% 8.43%            
Principal Amount or Par Value [7],[8],[11],[12]       $ 57                
Cost [7],[8],[12]       57                
Fair Value [7],[8],[12]       57                
Investment, Identifier [Axis]: Mai Capital Management Intermediate LLC | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 1,099 [3],[4],[9],[10]     1,709 [7],[8],[11],[12]                
Cost 0 [3],[4],[10]     0 [7],[8],[12]                
Fair Value 0 [3],[4],[10]     0 [7],[8],[12]                
Investment, Identifier [Axis]: Mai Capital Management Intermediate LLC | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 308 [3],[4],[9],[10]     251 [7],[8],[11],[12]                
Cost (2) [3],[4],[10]     (1) [7],[8],[12]                
Fair Value $ 0 [3],[4],[10]     $ 0 [7],[8],[12]                
Investment, Identifier [Axis]: Matterhorn Finco, Inc., | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[19],[20],[28] 5.50% 5.50% 5.50%                  
Interest rate [3],[16],[19],[20],[28] 9.23% 9.23% 9.23%                  
Principal Amount or Par Value [3],[9],[19],[20],[28] $ 7,982                      
Cost [3],[19],[20],[28] 7,944                      
Fair Value [3],[19],[20],[28] 7,943                      
Investment, Identifier [Axis]: Matterhorn Finco, Inc., | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [3],[4],[9],[10],[28] 1,985                      
Cost [3],[4],[10],[28] (10)                      
Fair Value [3],[4],[10],[28] $ (10)                      
Investment, Identifier [Axis]: Meta Buyer LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [14],[15]       5.25% 5.25% 5.25%            
Interest rate [14],[15],[17]       8.94% 8.94% 8.94%            
Principal Amount or Par Value [11],[14],[15]       $ 2,987                
Cost [14],[15]       2,972                
Fair Value [14],[15]       2,972                
Investment, Identifier [Axis]: Meta Buyer LLC | First lien - Drawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[10] 5.25% 5.25% 5.25%                  
Interest rate [3],[4],[10],[16] 8.93% 8.93% 8.93%                  
Principal Amount or Par Value [3],[4],[9],[10] $ 176                      
Cost [3],[4],[10] 175                      
Fair Value [3],[4],[10] $ 175                      
Investment, Identifier [Axis]: Meta Buyer LLC | First lien - Drawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[10] 5.25% 5.25% 5.25%                  
Interest rate [3],[4],[10],[16] 8.97% 8.97% 8.97%                  
Principal Amount or Par Value [3],[4],[9],[10] $ 124                      
Cost [3],[4],[10] 123                      
Fair Value [3],[4],[10] 123                      
Investment, Identifier [Axis]: Meta Buyer LLC | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 412 [3],[4],[9],[10]     819 [8],[11],[12]                
Cost (1) [3],[4],[10]     0 [8],[12]                
Fair Value (2) [3],[4],[10]     0 [8],[12]                
Investment, Identifier [Axis]: Meta Buyer LLC | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 642 [3],[4],[9],[10]     409 [8],[11],[12]                
Cost 0 [3],[4],[10]     0 [8],[12]                
Fair Value $ (3) [3],[4],[10]     0 [8],[12]                
Investment, Identifier [Axis]: Meta Buyer LLC | First lien - Undrawn 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [8],[11],[12]       536                
Cost [8],[12]       (2)                
Fair Value [8],[12]       $ (2)                
Investment, Identifier [Axis]: Meta Buyer LLC | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[19],[20] 5.25% 5.25% 5.25%                  
Interest rate [3],[16],[19],[20] 8.93% 8.93% 8.93%                  
Principal Amount or Par Value [3],[9],[19],[20] $ 2,972                      
Cost [3],[19],[20] 2,958                      
Fair Value [3],[19],[20] $ 2,957                      
Investment, Identifier [Axis]: Meta Buyer LLC | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4] 5.25% 5.25% 5.25%                  
Interest rate [3],[4],[16] 8.93% 8.93% 8.93%                  
Principal Amount or Par Value [3],[4],[9] $ 408                      
Cost [3],[4] 405                      
Fair Value [3],[4] 406                      
Investment, Identifier [Axis]: Model N, Inc. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[14],[15]       4.75% 4.75% 4.75%            
Interest rate [7],[14],[15],[17]       8.42% 8.42% 8.42%            
Principal Amount or Par Value [7],[11],[14],[15]       $ 43,774                
Cost [7],[14],[15]       43,592                
Fair Value [7],[14],[15]       43,774                
Investment, Identifier [Axis]: Model N, Inc. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [3],[4],[9],[10] 4,825                      
Cost [3],[4],[10] (24)                      
Fair Value [3],[4],[10] $ (41)                      
Investment, Identifier [Axis]: Model N, Inc. | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       9,047                
Cost [7],[8],[12]       0                
Fair Value [7],[8],[12]       0                
Investment, Identifier [Axis]: Model N, Inc. | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       4,825                
Cost [7],[8],[12]       (24)                
Fair Value [7],[8],[12]       $ 0                
Investment, Identifier [Axis]: Model N, Inc. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[19],[20] 4.75% 4.75% 4.75%                  
Interest rate [3],[16],[19],[20] 8.48% 8.48% 8.48%                  
Principal Amount or Par Value [3],[9],[19],[20] $ 43,553                      
Cost [3],[19],[20] 43,384                      
Fair Value [3],[19],[20] $ 43,187                      
Investment, Identifier [Axis]: Model N, Inc. | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[22] 4.75% 4.75% 4.75%                  
Interest rate [3],[4],[16],[22] 8.42% 8.42% 8.42%                  
Principal Amount or Par Value [3],[4],[9],[22] $ 4,512                      
Cost [3],[4],[22] 4,490                      
Fair Value [3],[4],[22] $ 4,474                      
Investment, Identifier [Axis]: NC Topco, LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[14],[15]       4.50% 4.50% 4.50%            
Interest rate [7],[14],[15],[17]       8.22% 8.22% 8.22%            
Principal Amount or Par Value [7],[11],[14],[15]       $ 5,862                
Cost [7],[14],[15]       5,838                
Fair Value [7],[14],[15]       5,862                
Investment, Identifier [Axis]: NC Topco, LLC | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       1,672                
Cost [7],[8],[12]       0                
Fair Value [7],[8],[12]       0                
Investment, Identifier [Axis]: NC Topco, LLC | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       669                
Cost [7],[8],[12]       (3)                
Fair Value [7],[8],[12]       0                
Investment, Identifier [Axis]: NC Topco, LLC | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[19],[20] 4.50% 4.50% 4.50%                  
Interest rate [3],[16],[19],[20] 8.17% 8.17% 8.17%                  
Principal Amount or Par Value [3],[9],[19],[20] $ 5,833                      
Cost [3],[19],[20] 5,810                      
Fair Value [3],[19],[20] $ 5,775                      
Investment, Identifier [Axis]: NC Topco, LLC | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[22] 4.50% 4.50% 4.50%                  
Interest rate [3],[4],[16],[22] 8.17% 8.17% 8.17%                  
Principal Amount or Par Value [3],[4],[9],[22] $ 1,672                      
Cost [3],[4],[22] 1,665                      
Fair Value [3],[4],[22] 1,656                      
Investment, Identifier [Axis]: NC Topco, LLC. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [3],[4],[9],[10] 669                      
Cost [3],[4],[10] (3)                      
Fair Value [3],[4],[10] (7)                      
Investment, Identifier [Axis]: NHME Holdings Corp. | Ordinary shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[8],[52],[53]       4,000                
Fair Value [7],[8],[52],[53]       0                
Investment, Identifier [Axis]: NHME Holdings Corp. | Warrants                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[8],[52],[53]       1,000                
Fair Value [7],[8],[52],[53]       0                
Investment, Identifier [Axis]: NM GP Holdco, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Fair Value 418     390     322          
Investment, Identifier [Axis]: NM GP Holdco, LLC | Membership Interest                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[28],[54],[55] 907                      
Fair Value [3],[28],[54],[55] 418                      
Investment, Identifier [Axis]: NM GP Holdco, LLC | Membership interest                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[29],[53],[56]       850                
Fair Value [7],[29],[53],[56]       390                
Investment, Identifier [Axis]: NM NL Holdings, L.P.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Fair Value 112,303     106,096     104,512          
Investment, Identifier [Axis]: NM NL Holdings, L.P. | Membership Interest                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[28],[54],[55] 76,444                      
Fair Value [3],[28],[54],[55] 112,303                      
Investment, Identifier [Axis]: NM NL Holdings, L.P. | Membership interest                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[29],[53],[56]       74,248                
Fair Value [7],[29],[53],[56]       106,096                
Investment, Identifier [Axis]: NM YI LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Fair Value 8,687     8,641     9,960          
Investment, Identifier [Axis]: NM YI, LLC | Membership Interest                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[54],[55] 6,272                      
Fair Value [3],[54],[55] 8,687                      
Investment, Identifier [Axis]: NM YI, LLC | Membership interest                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[53],[56]       6,272                
Fair Value [7],[53],[56]       8,641                
Investment, Identifier [Axis]: NMFC Senior Loan Program III LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Fair Value 157,872     160,000     160,000          
Investment, Identifier [Axis]: NMFC Senior Loan Program III LLC | Membership Interest                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[4],[28],[55] 160,000                      
Fair Value [3],[4],[28],[55] 157,872                      
Investment, Identifier [Axis]: NMFC Senior Loan Program III LLC | Membership interest                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[8],[29],[53]       160,000                
Fair Value [7],[8],[29],[53]       160,000                
Investment, Identifier [Axis]: NMFC Senior Loan Program IV LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Fair Value 105,532     112,400     112,400          
Investment, Identifier [Axis]: NMFC Senior Loan Program IV LLC | Membership Interest                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[4],[28],[55] 112,400                      
Fair Value [3],[4],[28],[55] 105,532                      
Investment, Identifier [Axis]: NMFC Senior Loan Program IV LLC | Membership interest                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[8],[29],[53]       112,400                
Fair Value [7],[8],[29],[53]       $ 112,400                
Investment, Identifier [Axis]: National HME, Inc. | Second lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [7],[8],[24],[26],[52],[53]       5.00% 5.00% 5.00%            
Interest rate [7],[8],[17],[52],[53]       9.25% 9.25% 9.25%            
Principal Amount or Par Value [7],[8],[11],[52],[53]       $ 8,281                
Cost [7],[8],[52],[53]       7,872                
Fair Value [7],[8],[52],[53]       $ 0                
Investment, Identifier [Axis]: National HME, Inc., Second lien, Tranche A Term Loan                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread       5.00% 5.00% 5.00%            
Investment, Identifier [Axis]: National HME, Inc., Second lien, Tranche B Term Loan                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread       6.00% 6.00% 6.00%            
Investment, Identifier [Axis]: National HME, Inc./NHME Holdings Corp.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Fair Value 0     $ 0     3,000          
Investment, Identifier [Axis]: Nelipak Holding Company | First lien - Drawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[12],[18]       5.50% 5.50% 5.50%            
Interest rate [7],[8],[12],[17],[18]       9.17% 9.17% 9.17%            
Principal Amount or Par Value [7],[8],[11],[12],[18]       $ 2,168                
Cost [7],[8],[12],[18]       2,152                
Fair Value [7],[8],[12],[18]       $ 2,168                
Investment, Identifier [Axis]: Nelipak Holding Company | First lien - Drawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[12],[18],[57]       5.50% 5.50% 5.50%            
Interest rate [7],[8],[12],[17],[18],[57]       9.23% 9.23% 9.23%            
Principal Amount or Par Value [7],[8],[11],[12],[18],[57]       $ 392                
Cost [7],[8],[12],[18],[57]       389                
Fair Value [7],[8],[12],[18],[57]       $ 392                
Investment, Identifier [Axis]: Nelipak Holding Company | First lien - Drawn 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[12]       5.50% 5.50% 5.50%            
Interest rate [7],[8],[12],[17]       7.44% 7.44% 7.44%            
Principal Amount or Par Value       $ 123 € 105 [7],[8],[11],[12]              
Cost [7],[8],[12]       121                
Fair Value [7],[8],[12]       123                
Investment, Identifier [Axis]: Nelipak Holding Company | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 1,332 [3],[4],[9],[10]     1,332 [7],[8],[11],[12]                
Cost 0 [3],[4],[10]     0 [7],[8],[12]                
Fair Value 0 [3],[4],[10]     0 [7],[8],[12]                
Investment, Identifier [Axis]: Nelipak Holding Company | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 7,322 € 6,411 [3],[4],[9],[10],[22],[58]   7,529 6,411 [7],[8],[11],[12],[18],[57]              
Cost 0 [3],[4],[10],[22],[58]     0 [7],[8],[12],[18],[57]                
Fair Value 0 [3],[4],[10],[22],[58]     0 [7],[8],[12],[18],[57]                
Investment, Identifier [Axis]: Nelipak Holding Company | First lien - Undrawn 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 1,366 € 1,196 [3],[4],[9],[10],[22],[58]   1,282 € 1,092 [7],[8],[11],[12],[18],[57]              
Cost (10) [3],[4],[10],[22],[58]     (8) [7],[8],[12],[18],[57]                
Fair Value 0 [3],[4],[10],[22],[58]     0 [7],[8],[12],[18],[57]                
Investment, Identifier [Axis]: Nelipak Holding Company | First lien - Undrawn 4                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 2,613 [3],[4],[9],[10]     2,221 [7],[8],[11],[12]                
Cost (20) [3],[4],[10]     (17) [7],[8],[12]                
Fair Value $ 0 [3],[4],[10]     $ 0 [7],[8],[12]                
Investment, Identifier [Axis]: Nelipak Holding Company | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.50% [3],[4],[22],[58] 5.50% [3],[4],[22],[58] 5.50% [3],[4],[22],[58] 5.50% [7],[8],[18],[57] 5.50% [7],[8],[18],[57] 5.50% [7],[8],[18],[57]            
Interest rate 7.79% [3],[4],[16],[22],[58] 7.79% [3],[4],[16],[22],[58] 7.79% [3],[4],[16],[22],[58] 7.52% [7],[8],[17],[18],[57] 7.52% [7],[8],[17],[18],[57] 7.52% [7],[8],[17],[18],[57]            
Principal Amount or Par Value $ 18,589 € 16,275 [3],[4],[9],[22],[58]   $ 19,212 € 16,357 [7],[8],[11],[18],[57]              
Cost 17,535 [3],[4],[22],[58]     17,614 [7],[8],[18],[57]                
Fair Value $ 18,591 [3],[4],[22],[58]     $ 19,214 [7],[8],[18],[57]                
Investment, Identifier [Axis]: Nelipak Holding Company | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.50% [3],[19],[20] 5.50% [3],[19],[20] 5.50% [3],[19],[20] 5.50% [7],[14],[15] 5.50% [7],[14],[15] 5.50% [7],[14],[15]            
Interest rate 9.23% [3],[16],[19],[20] 9.23% [3],[16],[19],[20] 9.23% [3],[16],[19],[20] 9.17% [7],[14],[15],[17] 9.17% [7],[14],[15],[17] 9.17% [7],[14],[15],[17]            
Principal Amount or Par Value $ 8,887 [3],[9],[19],[20]     $ 8,932 [7],[11],[14],[15]                
Cost 8,838 [3],[19],[20]     8,878 [7],[14],[15]                
Fair Value $ 8,887 [3],[19],[20]     $ 8,932 [7],[14],[15]                
Investment, Identifier [Axis]: Nelipak Holding Company | First lien 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[22] 5.50% 5.50% 5.50%                  
Interest rate [3],[4],[16],[22] 9.23% 9.23% 9.23%                  
Principal Amount or Par Value [3],[4],[9],[22] $ 2,157                      
Cost [3],[4],[22] 2,143                      
Fair Value [3],[4],[22] $ 2,157                      
Investment, Identifier [Axis]: New ACI Buyer LLC | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [20],[23] 3.13% 3.13% 3.13%                  
PIK [20],[23] 3.13% 3.13% 3.13%                  
Interest rate [16],[20] 9.99% 9.99% 9.99%                  
Principal Amount or Par Value [9],[20] $ 3,572                      
Cost [20] 3,572                      
Fair Value [20] $ 3,572                      
Investment, Identifier [Axis]: New ACI Buyer LLC | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [19],[20] 5.50% 5.50% 5.50%                  
Interest rate [16],[19],[20] 9.24% 9.24% 9.24%                  
Principal Amount or Par Value [9],[19],[20] $ 1,841                      
Cost [19],[20] 1,841                      
Fair Value [19],[20] $ 1,841                      
Investment, Identifier [Axis]: New ACI Buyer LLC | First lien 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [4],[22],[23] 3.13% 3.13% 3.13%                  
PIK [4],[22],[23] 3.13% 3.13% 3.13%                  
Interest rate [4],[16],[22] 9.99% 9.99% 9.99%                  
Principal Amount or Par Value [4],[9],[22] $ 1,686                      
Cost [4],[22] 1,686                      
Fair Value [4],[22] $ 1,686                      
Investment, Identifier [Axis]: New ACI Buyer LLC | Subordinated 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [20],[23] 10.00% 10.00% 10.00%                  
Interest rate [16],[20] 10.00% 10.00% 10.00%                  
Principal Amount or Par Value [9],[20] $ 3,175                      
Cost [20] 3,175                      
Fair Value [20] $ 3,175                      
Investment, Identifier [Axis]: New ACI Buyer LLC | Subordinated 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [4],[22],[23] 10.00% 10.00% 10.00%                  
Interest rate [4],[16],[22] 10.00% 10.00% 10.00%                  
Principal Amount or Par Value [4],[9],[22] $ 1,499                      
Cost [4],[22] 1,499                      
Fair Value [4],[22] 1,499                      
Investment, Identifier [Axis]: New ACI Holdings LLC | Class A Common Units 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [20] 7,587                      
Fair Value [20] 7,587                      
Investment, Identifier [Axis]: New ACI Holdings LLC | Class A Common Units 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [4] 3,582                      
Fair Value [4] 3,582                      
Investment, Identifier [Axis]: New ACI Holdings LLC | Class B Common Units                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [4] 630                      
Fair Value [4] $ 630                      
Investment, Identifier [Axis]: New Benevis Holdco, Inc. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [3],[20],[23],[55] 12.00% 12.00% 12.00%                  
Interest rate [3],[16],[20],[55] 12.00% 12.00% 12.00%                  
Principal Amount or Par Value [3],[9],[20],[55] $ 25,643                      
Cost [3],[20],[55] 25,643                      
Fair Value [3],[20],[55] $ 25,643                      
Investment, Identifier [Axis]: New Benevis Holdco, Inc. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [7],[15],[24],[53]       12.00% 12.00% 12.00%            
Interest rate [7],[15],[17],[53]       12.00% 12.00% 12.00%            
Principal Amount or Par Value [7],[11],[15],[53]       $ 51,933                
Cost [7],[15],[53]       51,933                
Fair Value [7],[15],[53]       $ 51,933                
Investment, Identifier [Axis]: New Benevis Holdco, Inc. | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [7],[8],[18],[24],[53]       12.00% 12.00% 12.00%            
Interest rate [7],[8],[17],[18],[53]       12.00% 12.00% 12.00%            
Principal Amount or Par Value [7],[8],[11],[18],[53]       $ 45,204                
Cost [7],[8],[18],[53]       45,204                
Fair Value [7],[8],[18],[53]       $ 45,204                
Investment, Identifier [Axis]: New Benevis Holdco, Inc. | Subordinated                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK 12.00% [3],[4],[23],[55] 12.00% [3],[4],[23],[55] 12.00% [3],[4],[23],[55] 12.00% [7],[8],[24],[53] 12.00% [7],[8],[24],[53] 12.00% [7],[8],[24],[53]            
Interest rate 12.00% [3],[4],[16],[55] 12.00% [3],[4],[16],[55] 12.00% [3],[4],[16],[55] 12.00% [7],[8],[17],[53] 12.00% [7],[8],[17],[53] 12.00% [7],[8],[17],[53]            
Principal Amount or Par Value $ 28,541 [3],[4],[9],[55]     $ 26,878 [7],[8],[11],[53]                
Cost 28,402 [3],[4],[55]     26,483 [7],[8],[53]                
Fair Value 28,541 [3],[4],[55]     26,878 [7],[8],[53]                
Investment, Identifier [Axis]: New Benevis Topco, LLC / New Benevis Holdco, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Fair Value 90,087     154,464     140,102          
Investment, Identifier [Axis]: New Benevis Topco, LLC | Common Stock 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[20],[55] 27,154                      
Fair Value [3],[20],[55] 24,446                      
Investment, Identifier [Axis]: New Benevis Topco, LLC | Common Stock 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[4],[55] 12,768                      
Fair Value [3],[4],[55] 11,457                      
Investment, Identifier [Axis]: New Benevis Topco, LLC | Common stock 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[15],[53]       27,155                
Fair Value [7],[15],[53]       20,733                
Investment, Identifier [Axis]: New Benevis Topco, LLC | Common stock 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[8],[53]       12,768                
Fair Value [7],[8],[53]       9,716                
Investment, Identifier [Axis]: New Permian Holdco, Inc. / New Permian Holdco, L.L.C.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Fair Value 65,815     63,833     63,076          
Investment, Identifier [Axis]: New Permian Holdco, Inc. | Ordinary Shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[4],[55] 11,155                      
Fair Value [3],[4],[55] $ 11,000                      
Investment, Identifier [Axis]: New Permian Holdco, Inc. | Ordinary shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[8],[53]       11,155                
Fair Value [7],[8],[53]       $ 12,000                
Investment, Identifier [Axis]: New Permian Holdco, L.L.C. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 9.00% [3],[4],[22],[55] 9.00% [3],[4],[22],[55] 9.00% [3],[4],[22],[55] 9.00% [7],[8],[18],[53] 9.00% [7],[8],[18],[53] 9.00% [7],[8],[18],[53]            
Interest rate 12.99% [3],[4],[16],[22],[55] 12.99% [3],[4],[16],[22],[55] 12.99% [3],[4],[16],[22],[55] 12.93% [7],[8],[17],[18],[53] 12.93% [7],[8],[17],[18],[53] 12.93% [7],[8],[17],[18],[53]            
Principal Amount or Par Value $ 23,336 [3],[4],[9],[22],[55]     $ 23,336 [7],[8],[11],[18],[53]                
Cost 23,336 [3],[4],[22],[55]     23,336 [7],[8],[18],[53]                
Fair Value $ 23,336 [3],[4],[22],[55]     $ 23,336 [7],[8],[18],[53]                
Investment, Identifier [Axis]: New Permian Holdco, L.L.C. | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.00% [3],[4],[10],[22],[55] 6.00% [3],[4],[10],[22],[55] 6.00% [3],[4],[10],[22],[55] 6.00% [7],[8],[12],[18],[53] 6.00% [7],[8],[12],[18],[53] 6.00% [7],[8],[12],[18],[53]            
Interest rate 9.99% [3],[4],[10],[16],[22],[55] 9.99% [3],[4],[10],[16],[22],[55] 9.99% [3],[4],[10],[16],[22],[55] 9.93% [7],[8],[12],[17],[18],[53] 9.93% [7],[8],[12],[17],[18],[53] 9.93% [7],[8],[12],[17],[18],[53]            
Principal Amount or Par Value $ 31,479 [3],[4],[9],[10],[22],[55]     $ 28,497 [7],[8],[11],[12],[18],[53]                
Cost 31,479 [3],[4],[10],[22],[55]     28,497 [7],[8],[12],[18],[53]                
Fair Value 31,479 [3],[4],[10],[22],[55]     28,497 [7],[8],[12],[18],[53]                
Investment, Identifier [Axis]: New Permian Holdco, L.L.C. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 415 [3],[4],[9],[10],[55]     3,397 [7],[8],[11],[12],[53]                
Cost 0 [3],[4],[10],[55]     0 [7],[8],[12],[53]                
Fair Value $ 0 [3],[4],[10],[55]     $ 0 [7],[8],[12],[53]                
Investment, Identifier [Axis]: Next Holdco, LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.25% [3],[19],[20] 5.25% [3],[19],[20] 5.25% [3],[19],[20] 5.25% [7],[14],[15] 5.25% [7],[14],[15] 5.25% [7],[14],[15]            
Interest rate 8.89% [3],[16],[19],[20] 8.89% [3],[16],[19],[20] 8.89% [3],[16],[19],[20] 9.09% [7],[14],[15],[17] 9.09% [7],[14],[15],[17] 9.09% [7],[14],[15],[17]            
Principal Amount or Par Value $ 6,232 [3],[9],[19],[20]     $ 6,264 [7],[11],[14],[15]                
Cost 6,203 [3],[19],[20]     6,232 [7],[14],[15]                
Fair Value 6,232 [3],[19],[20]     6,264 [7],[14],[15]                
Investment, Identifier [Axis]: Next Holdco, LLC | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 339 [3],[4],[9],[10]     339 [7],[8],[11],[12]                
Cost (3) [3],[4],[10]     (3) [7],[8],[12]                
Fair Value 0 [3],[4],[10]     0 [7],[8],[12]                
Investment, Identifier [Axis]: Notorious Buyer, LLC | Common Stock                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[4],[59] 7,339                      
Fair Value [3],[4],[59] 5,686                      
Investment, Identifier [Axis]: Notorious Buyer, LLC | Common stock                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[8],[60]       7,339                
Fair Value [7],[8],[60]       $ 7,339                
Investment, Identifier [Axis]: Notorious Topco, LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [7],[8],[24]       7.25% 7.25% 7.25%            
Interest rate [7],[8],[17]       11.10% 11.10% 11.10%            
Principal Amount or Par Value [7],[8],[11]       $ 4,692                
Cost [7],[8]       4,692                
Fair Value [7],[8]       4,692                
Investment, Identifier [Axis]: Notorious Topco, LLC | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 938 [3],[4],[9],[10],[59]     938 [7],[8],[11],[12],[60]                
Cost 0 [3],[4],[10],[59]     0 [7],[8],[12],[60]                
Fair Value $ 0 [3],[4],[10],[59]     $ 0 [7],[8],[12],[60]                
Investment, Identifier [Axis]: Notorious Topco, LLC | Subordinated                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [7],[8],[24]       9.00% 9.00% 9.00%            
Interest rate [7],[8],[17]       12.85% 12.85% 12.85%            
Principal Amount or Par Value [7],[8],[11]       $ 2,252                
Cost [7],[8]       2,252                
Fair Value [7],[8]       $ 2,252                
Investment, Identifier [Axis]: OEConnection LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.50% [3],[19],[20] 4.50% [3],[19],[20] 4.50% [3],[19],[20] 4.50% [14],[15] 4.50% [14],[15] 4.50% [14],[15]            
Interest rate 8.14% [3],[16],[19],[20] 8.14% [3],[16],[19],[20] 8.14% [3],[16],[19],[20] 8.23% [14],[15],[17] 8.23% [14],[15],[17] 8.23% [14],[15],[17]            
Principal Amount or Par Value $ 6,609 [3],[9],[19],[20]     $ 6,609 [11],[14],[15]                
Cost 6,584 [3],[19],[20]     6,582 [14],[15]                
Fair Value 6,519 [3],[19],[20]     6,620 [14],[15]                
Investment, Identifier [Axis]: OEConnection LLC | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 495 [3],[4],[9],[10]     495 [8],[11],[12]                
Cost 0 [3],[4],[10]     0 [8],[12]                
Fair Value (7) [3],[4],[10]     1 [8],[12]                
Investment, Identifier [Axis]: OEConnection LLC | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 618 [3],[4],[9],[10]     618 [8],[11],[12]                
Cost (3) [3],[4],[10]     (3) [8],[12]                
Fair Value $ (8) [3],[4],[10]     $ 0 [8],[12]                
Investment, Identifier [Axis]: PDI TA Holdings, Inc. | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[12]       5.50% 5.50% 5.50%            
Interest rate [7],[8],[12],[17]       9.34% 9.34% 9.34%            
Principal Amount or Par Value [7],[8],[11],[12]       $ 1,342                
Cost [7],[8],[12]       1,335                
Fair Value [7],[8],[12]       1,342                
Investment, Identifier [Axis]: PDI TA Holdings, Inc. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       488                
Cost [7],[8],[12]       (2)                
Fair Value [7],[8],[12]       $ 0                
Investment, Identifier [Axis]: PDI TA Holdings, Inc. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 2.50% [3],[13],[23] 2.50% [3],[13],[23] 2.50% [3],[13],[23] 5.50% [7],[21] 5.50% [7],[21] 5.50% [7],[21]            
PIK [3],[13],[23] 3.50% 3.50% 3.50%                  
Interest rate 9.66% [3],[13],[16] 9.66% [3],[13],[16] 9.66% [3],[13],[16] 9.34% [7],[17],[21] 9.34% [7],[17],[21] 9.34% [7],[17],[21]            
Principal Amount or Par Value $ 22,197 [3],[9],[13]     $ 22,171 [7],[11],[21]                
Cost 22,115 [3],[13]     22,081 [7],[21]                
Fair Value $ 21,198 [3],[13]     $ 22,171 [7],[21]                
Investment, Identifier [Axis]: PDI TA Holdings, Inc. | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.50% [3],[4] 5.50% [3],[4] 5.50% [3],[4] 5.50% [7],[8],[18] 5.50% [7],[8],[18] 5.50% [7],[8],[18]            
Interest rate 9.17% [3],[4],[16] 9.17% [3],[4],[16] 9.17% [3],[4],[16] 9.34% [7],[8],[17],[18] 9.34% [7],[8],[17],[18] 9.34% [7],[8],[17],[18]            
Principal Amount or Par Value $ 1,830 [3],[4],[9]     $ 509 [7],[8],[11],[18]                
Cost 1,821 [3],[4]     509 [7],[8],[18]                
Fair Value $ 1,748 [3],[4]     $ 509 [7],[8],[18]                
Investment, Identifier [Axis]: PDI TA Holdings, Inc. | First lien 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[22],[23] 2.50% 2.50% 2.50%                  
PIK [3],[4],[22],[23] 3.50% 3.50% 3.50%                  
Interest rate [3],[4],[16],[22] 9.66% 9.66% 9.66%                  
Principal Amount or Par Value [3],[4],[9],[22] $ 510                      
Cost [3],[4],[22] 510                      
Fair Value [3],[4],[22] $ 487                      
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.75% [3],[4],[10],[22] 5.75% [3],[4],[10],[22] 5.75% [3],[4],[10],[22] 5.75% [7],[8],[12],[18] 5.75% [7],[8],[12],[18] 5.75% [7],[8],[12],[18]            
Interest rate 9.40% [3],[4],[10],[16],[22] 9.40% [3],[4],[10],[16],[22] 9.40% [3],[4],[10],[16],[22] 9.63% [7],[8],[12],[17],[18] 9.63% [7],[8],[12],[17],[18] 9.63% [7],[8],[12],[17],[18]            
Principal Amount or Par Value $ 170 [3],[4],[9],[10],[22]     $ 61 [7],[8],[11],[12],[18]                
Cost 172 [3],[4],[10],[22]     64 [7],[8],[12],[18]                
Fair Value $ 167 [3],[4],[10],[22]     61 [7],[8],[12],[18]                
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       426                
Cost [7],[8],[12]       (9)                
Fair Value [7],[8],[12]       $ 0                
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.75% [3],[13] 5.75% [3],[13] 5.75% [3],[13] 5.75% [7],[21] 5.75% [7],[21] 5.75% [7],[21]            
Interest rate 9.42% [3],[13],[16] 9.42% [3],[13],[16] 9.42% [3],[13],[16] 9.57% [7],[17],[21] 9.57% [7],[17],[21] 9.57% [7],[17],[21]            
Principal Amount or Par Value $ 22,050 [3],[9],[13]     $ 22,163 [7],[11],[21]                
Cost 22,012 [3],[13]     22,118 [7],[21]                
Fair Value $ 21,638 [3],[13]     $ 22,163 [7],[21]                
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.75% [3],[19],[20] 5.75% [3],[19],[20] 5.75% [3],[19],[20] 5.75% [7],[14],[15] 5.75% [7],[14],[15] 5.75% [7],[14],[15]            
Interest rate 9.42% [3],[16],[19],[20] 9.42% [3],[16],[19],[20] 9.42% [3],[16],[19],[20] 9.57% [7],[14],[15],[17] 9.57% [7],[14],[15],[17] 9.57% [7],[14],[15],[17]            
Principal Amount or Par Value $ 8,134 [3],[9],[19],[20]     $ 8,175 [7],[11],[14],[15]                
Cost 8,134 [3],[19],[20]     8,175 [7],[14],[15]                
Fair Value 7,982 [3],[19],[20]     8,175 [7],[14],[15]                
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [3],[4],[9],[10] 316                      
Cost [3],[4],[10] (6)                      
Fair Value [3],[4],[10] (6)                      
Investment, Identifier [Axis]: PPVA Black Elk (Equity) LLC | Claim                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [3],[4],[9] 14,500                      
Cost [3],[4] 14,500                      
Fair Value [3],[4] 2,755                      
Investment, Identifier [Axis]: PPVA Black Elk (Equity) LLC | Subordinated                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11]       14,500                
Cost 14,500     14,500 [7],[8]                
Fair Value 2,755     6,525 [7],[8]                
Investment, Identifier [Axis]: PPVA Black Elk (Equity) LLC, Subordinated                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value                       $ 20,000
Investment, Identifier [Axis]: PPVA Fund, L.P. | Claim                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [9],[61] 0                      
Cost [61] 0                      
Fair Value [61] $ 0                      
Investment, Identifier [Axis]: PPVA Fund, L.P. | Collateralized Financing                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [11],[26],[62]       0                
Cost [26],[62]       0                
Fair Value [26],[62]       $ 0                
Investment, Identifier [Axis]: Permian Trust | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK 10.00% [3],[4],[23],[27],[35] 10.00% [3],[4],[23],[27],[35] 10.00% [3],[4],[23],[27],[35] 10.00% [7],[8],[24],[26],[36] 10.00% [7],[8],[24],[26],[36] 10.00% [7],[8],[24],[26],[36]            
Interest rate 11.00% [3],[4],[16],[35] 11.00% [3],[4],[16],[35] 11.00% [3],[4],[16],[35] 11.00% [7],[8],[17],[36] 11.00% [7],[8],[17],[36] 11.00% [7],[8],[17],[36]            
Principal Amount or Par Value $ 3,409 [3],[4],[9],[35]     $ 3,409 [7],[8],[11],[36]                
Cost 0 [3],[4],[35]     0 [7],[8],[36]                
Fair Value $ 0 [3],[4],[35]     $ 0 [7],[8],[36]                
Investment, Identifier [Axis]: Permian Trust | Trust Claim                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK 10.00% [3],[23],[27],[35],[63] 10.00% [3],[23],[27],[35],[63] 10.00% [3],[23],[27],[35],[63] 10.00% [7],[24],[26],[36],[64] 10.00% [7],[24],[26],[36],[64] 10.00% [7],[24],[26],[36],[64]            
Interest rate 10.00% [3],[16],[35],[63] 10.00% [3],[16],[35],[63] 10.00% [3],[16],[35],[63] 10.00% [7],[17],[36],[64] 10.00% [7],[17],[36],[64] 10.00% [7],[17],[36],[64]            
Principal Amount or Par Value $ 247 [3],[9],[35],[63]     $ 247 [7],[11],[36],[64]                
Cost 0 [3],[35],[63]     0 [7],[36],[64]                
Fair Value $ 0 [3],[35],[63]     $ 0 [7],[36],[64]                
Investment, Identifier [Axis]: PetVet Care Centers, LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.00% [3],[19],[20] 6.00% [3],[19],[20] 6.00% [3],[19],[20] 6.00% [7],[14],[15] 6.00% [7],[14],[15] 6.00% [7],[14],[15]            
Interest rate 9.64% [3],[16],[19],[20] 9.64% [3],[16],[19],[20] 9.64% [3],[16],[19],[20] 9.72% [7],[14],[15],[17] 9.72% [7],[14],[15],[17] 9.72% [7],[14],[15],[17]            
Principal Amount or Par Value $ 27,719 [3],[9],[19],[20]     $ 27,861 [7],[11],[14],[15]                
Cost 27,522 [3],[19],[20]     27,646 [7],[14],[15]                
Fair Value $ 23,849 [3],[19],[20]     $ 26,649 [7],[14],[15]                
Investment, Identifier [Axis]: PetVet Care Centers, LLC | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.00% [3],[4],[10],[22] 6.00% [3],[4],[10],[22] 6.00% [3],[4],[10],[22] 6.00% [7],[8],[12],[18] 6.00% [7],[8],[12],[18] 6.00% [7],[8],[12],[18]            
Interest rate 9.62% [3],[4],[10],[16],[22] 9.62% [3],[4],[10],[16],[22] 9.62% [3],[4],[10],[16],[22] 9.84% [7],[8],[12],[17],[18] 9.84% [7],[8],[12],[17],[18] 9.84% [7],[8],[12],[17],[18]            
Principal Amount or Par Value $ 1,112 [3],[4],[9],[10],[22]     $ 371 [7],[8],[11],[12],[18]                
Cost 1,101 [3],[4],[10],[22]     367 [7],[8],[12],[18]                
Fair Value 957 [3],[4],[10],[22]     355 [7],[8],[12],[18]                
Investment, Identifier [Axis]: PetVet Care Centers, LLC | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 2,596 [3],[4],[9],[10]     3,337 [7],[8],[11],[12]                
Cost (26) [3],[4],[10]     (33) [7],[8],[12]                
Fair Value (362) [3],[4],[10]     (145) [7],[8],[12]                
Investment, Identifier [Axis]: Pioneer Topco I, L.P. | Class A-2 Common Units                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[65] 2,000                      
Fair Value [3],[65] $ 1,600                      
Investment, Identifier [Axis]: Pioneer Topco I, L.P. | Class A-2 common units                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[66]       2,000                
Fair Value [7],[66]       $ 2,200                
Investment, Identifier [Axis]: Planview Parent, Inc. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [4],[22] 3.50% 3.50% 3.50%                  
Interest rate [4],[16],[22] 7.23% 7.23% 7.23%                  
Principal Amount or Par Value [4],[9],[22] $ 3,755                      
Cost [4],[22] 3,108                      
Fair Value [4],[22] $ 3,247                      
Investment, Identifier [Axis]: Planview Parent, Inc. | Second lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.75% [3],[4],[22] 5.75% [3],[4],[22] 5.75% [3],[4],[22] 5.75% [7],[8],[18] 5.75% [7],[8],[18] 5.75% [7],[8],[18]            
Interest rate 9.48% [3],[4],[16],[22] 9.48% [3],[4],[16],[22] 9.48% [3],[4],[16],[22] 9.42% [7],[8],[17],[18] 9.42% [7],[8],[17],[18] 9.42% [7],[8],[17],[18]            
Principal Amount or Par Value $ 9,231 [3],[4],[9],[22]     $ 9,231 [7],[8],[11],[18]                
Cost 9,215 [3],[4],[22]     9,212 [7],[8],[18]                
Fair Value $ 6,811 [3],[4],[22]     $ 8,827 [7],[8],[18]                
Investment, Identifier [Axis]: Power Grid Holdings, Inc. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[21]       4.75% 4.75% 4.75%            
Interest rate [7],[17],[21]       8.42% 8.42% 8.42%            
Principal Amount or Par Value [7],[11],[21]       $ 15,597                
Cost [7],[21]       15,511                
Fair Value [7],[21]       $ 15,597                
Investment, Identifier [Axis]: Power Grid Holdings, Inc. | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[12]       3.75% 3.75% 3.75%            
Interest rate [7],[8],[12],[17]       10.50% 10.50% 10.50%            
Principal Amount or Par Value [7],[8],[11],[12]       $ 429                
Cost [7],[8],[12]       425                
Fair Value [7],[8],[12]       429                
Investment, Identifier [Axis]: Power Grid Holdings, Inc. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       3,861                
Cost [7],[8],[12]       (39)                
Fair Value [7],[8],[12]       $ 0                
Investment, Identifier [Axis]: Project Accelerate Parent, LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.25% [3],[30] 5.25% [3],[30] 5.25% [3],[30] 5.25% [7],[31] 5.25% [7],[31] 5.25% [7],[31]            
Interest rate 8.89% [3],[16],[30] 8.89% [3],[16],[30] 8.89% [3],[16],[30] 8.97% [7],[17],[31] 8.97% [7],[17],[31] 8.97% [7],[17],[31]            
Principal Amount or Par Value $ 10,360 [3],[9],[30]     $ 10,413 [7],[11],[31]                
Cost 10,322 [3],[30]     10,372 [7],[31]                
Fair Value 10,360 [3],[30]     10,413 [7],[31]                
Investment, Identifier [Axis]: Project Accelerate Parent, LLC | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 1,510 [3],[4],[9],[10]     1,510 [7],[8],[11],[12]                
Cost (8) [3],[4],[10]     (8) [7],[8],[12]                
Fair Value $ 0 [3],[4],[10]     $ 0 [7],[8],[12]                
Investment, Identifier [Axis]: RLG Holdings, LLC | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.25% [3],[4],[22] 4.25% [3],[4],[22] 4.25% [3],[4],[22] 4.25% [14],[15] 4.25% [14],[15] 4.25% [14],[15]            
Interest rate 8.18% [3],[4],[16],[22] 8.18% [3],[4],[16],[22] 8.18% [3],[4],[16],[22] 8.08% [14],[15],[17] 8.08% [14],[15],[17] 8.08% [14],[15],[17]            
Principal Amount or Par Value $ 18,577 [3],[4],[9],[22]     $ 7,184 [11],[14],[15]                
Cost 9,487 [3],[4],[22]     5,816 [14],[15]                
Fair Value $ 10,693 [3],[4],[22]     $ 4,419 [14],[15]                
Investment, Identifier [Axis]: RLG Holdings, LLC | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.25% [3],[19],[20] 4.25% [3],[19],[20] 4.25% [3],[19],[20] 5.00% [14],[15] 5.00% [14],[15] 5.00% [14],[15]            
Interest rate 8.18% [3],[16],[19],[20] 8.18% [3],[16],[19],[20] 8.18% [3],[16],[19],[20] 8.72% [14],[15],[17] 8.72% [14],[15],[17] 8.72% [14],[15],[17]            
Principal Amount or Par Value $ 7,147 [3],[9],[19],[20]     $ 4,163 [11],[14],[15]                
Cost 6,016 [3],[19],[20]     4,109 [14],[15]                
Fair Value $ 4,114 [3],[19],[20]     $ 2,613 [14],[15]                
Investment, Identifier [Axis]: RLG Holdings, LLC | First lien 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[19],[20] 5.00% 5.00% 5.00%                  
Interest rate [3],[16],[19],[20] 8.66% 8.66% 8.66%                  
Principal Amount or Par Value [3],[9],[19],[20] $ 4,142                      
Cost [3],[19],[20] 4,097                      
Fair Value [3],[19],[20] $ 2,384                      
Investment, Identifier [Axis]: RLG Holdings, LLC | First lien 4                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[22] 5.00% 5.00% 5.00%                  
Interest rate [3],[4],[16],[22] 8.66% 8.66% 8.66%                  
Principal Amount or Par Value [3],[4],[9],[22] $ 1,191                      
Cost [3],[4],[22] 576                      
Fair Value [3],[4],[22] $ 685                      
Investment, Identifier [Axis]: RLG Holdings, LLC | Second lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[22] 7.50% 7.50% 7.50%                  
Interest rate [3],[4],[16],[22] 11.43% 11.43% 11.43%                  
Principal Amount or Par Value [3],[4],[9],[22] $ 10,768                      
Cost [3],[4],[22] 1,542                      
Fair Value [3],[4],[22] $ 3,001                      
Investment, Identifier [Axis]: RailPros Parent, LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.25% [3],[19],[20] 4.25% [3],[19],[20] 4.25% [3],[19],[20] 4.25% [7],[14],[15] 4.25% [7],[14],[15] 4.25% [7],[14],[15]            
Interest rate 7.89% [3],[16],[19],[20] 7.89% [3],[16],[19],[20] 7.89% [3],[16],[19],[20] 8.13% [7],[14],[15],[17] 8.13% [7],[14],[15],[17] 8.13% [7],[14],[15],[17]            
Principal Amount or Par Value $ 5,799 [3],[9],[19],[20]     $ 5,828 [7],[11],[14],[15]                
Cost 5,773 [3],[19],[20]     5,801 [7],[14],[15]                
Fair Value $ 5,799 [3],[19],[20]     5,799 [7],[14],[15]                
Investment, Identifier [Axis]: RailPros Parent, LLC | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[10] 4.25% 4.25% 4.25%                  
Interest rate [3],[4],[10],[16] 7.89% 7.89% 7.89%                  
Principal Amount or Par Value [3],[4],[9],[10] $ 538                      
Cost [3],[4],[10] 535                      
Fair Value [3],[4],[10] 538                      
Investment, Identifier [Axis]: RailPros Parent, LLC | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 1,258 [3],[4],[9],[10]     899 [7],[8],[11],[12]                
Cost 0 [3],[4],[10]     (4) [7],[8],[12]                
Fair Value 0 [3],[4],[10]     (4) [7],[8],[12]                
Investment, Identifier [Axis]: RailPros Parent, LLC | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 899 [3],[4],[9],[10]     1,798 [7],[8],[11],[12]                
Cost (4) [3],[4],[10]     0 [7],[8],[12]                
Fair Value $ 0 [3],[4],[10]     (9) [7],[8],[12]                
Investment, Identifier [Axis]: RealPage, Inc. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [19],[20] 3.75% 3.75% 3.75%                  
Interest rate [16],[19],[20] 7.48% 7.48% 7.48%                  
Principal Amount or Par Value [9],[19],[20] $ 1,958                      
Cost [19],[20] 1,834                      
Fair Value [19],[20] 1,846                      
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC | Trust Claim 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 152 [3],[9],[20]     152 [7],[11],[15]                
Cost 152 [3],[20]     152 [7],[15]                
Fair Value 152 [3],[20]     152 [7],[15]                
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC | Trust Claim 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 52 [3],[4],[9]     52 [7],[8],[11]                
Cost 52 [3],[4]     52 [7],[8]                
Fair Value 52 [3],[4]     52 [7],[8]                
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC | Warrants 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost 182 [3],[20]     182 [7],[15]                
Fair Value 272 [3],[20]     272 [7],[15]                
Investment, Identifier [Axis]: Reorganized Careismatic Brands, LLC | Warrants 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost 62 [3],[4]     62 [7],[8]                
Fair Value $ 93 [3],[4]     93 [7],[8]                
Investment, Identifier [Axis]: Riskonnect Parent, LLC | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       6,349                
Cost [7],[8],[12]       0                
Fair Value [7],[8],[12]       $ 0                
Investment, Identifier [Axis]: Sierra Enterprises, LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.75% [3],[19],[20] 5.75% [3],[19],[20] 5.75% [3],[19],[20] 6.00% [7],[14],[15] 6.00% [7],[14],[15] 6.00% [7],[14],[15]            
Interest rate 9.48% [3],[16],[19],[20] 9.48% [3],[16],[19],[20] 9.48% [3],[16],[19],[20] 9.67% [7],[14],[15],[17] 9.67% [7],[14],[15],[17] 9.67% [7],[14],[15],[17]            
Principal Amount or Par Value $ 21,250 [3],[9],[19],[20]     $ 21,357 [7],[11],[14],[15]                
Cost 21,120 [3],[19],[20]     21,213 [7],[14],[15]                
Fair Value 21,250 [3],[19],[20]     21,197 [7],[14],[15]                
Investment, Identifier [Axis]: Sierra Enterprises, LLC | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 2,717 [3],[4],[9],[10]     2,717 [7],[8],[11],[12]                
Cost (20) [3],[4],[10]     (20) [7],[8],[12]                
Fair Value 0 [3],[4],[10]     (20) [7],[8],[12]                
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Fair Value 2,000     2,000     2,000          
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation | Ordinary Shares 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[20],[35] 11,502                      
Fair Value [3],[20],[35] 1,800                      
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation | Ordinary Shares 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[4],[35] 1,282                      
Fair Value [3],[4],[35] $ 201                      
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation | Ordinary shares 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[15],[36]       11,501                
Fair Value [7],[15],[36]       1,799                
Investment, Identifier [Axis]: Sierra Hamilton Holdings Corporation | Ordinary shares 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[8],[36]       1,282                
Fair Value [7],[8],[36]       201                
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc. | Series A Preferred Shares 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [3],[13],[23],[27] 10.50% 10.50% 10.50%                  
Interest rate [3],[13],[16] 14.33% 14.33% 14.33%                  
Cost [3],[13] $ 19,636                      
Fair Value [3],[13] $ 13,922                      
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc. | Series A Preferred Shares 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [3],[4],[22],[23],[27] 10.50% 10.50% 10.50%                  
Interest rate [3],[4],[16],[22] 14.33% 14.33% 14.33%                  
Cost [3],[4],[22] $ 91                      
Fair Value [3],[4],[22] 64                      
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc. | Series A preferred shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 19,839     $ 25,639                
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc. | Series A preferred shares 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [7],[21],[24]       10.50% 10.50% 10.50%            
Interest rate [7],[17],[21]       14.31% 14.31% 14.31%            
Cost [7],[21]       $ 18,953                
Fair Value [7],[21]       $ 18,204                
Investment, Identifier [Axis]: Symplr Software Intermediate Holdings, Inc. | Series A preferred shares 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [7],[8],[18],[24]       10.50% 10.50% 10.50%            
Interest rate [7],[8],[17],[18]       14.31% 14.31% 14.31%            
Cost [7],[8],[18]       $ 6,534                
Fair Value [7],[8],[18]       6,276                
Investment, Identifier [Axis]: TMK Hawk Parent, Corp. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 2,695 [3],[4],[9],[10],[67]     2,695 [7],[8],[11],[12],[68]                
Cost 0 [3],[4],[10],[67]     0 [7],[8],[12],[68]                
Fair Value $ 0 [3],[4],[10],[67]     $ 0 [7],[8],[12],[68]                
Investment, Identifier [Axis]: TMK Hawk Parent, Corp. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.00% [3],[4],[22] 4.00% [3],[4],[22] 4.00% [3],[4],[22] 2.00% [7],[8],[18],[24] 2.00% [7],[8],[18],[24] 2.00% [7],[8],[18],[24]            
PIK [7],[8],[18],[24]       3.25% 3.25% 3.25%            
Interest rate 7.64% [3],[4],[16],[22] 7.64% [3],[4],[16],[22] 7.64% [3],[4],[16],[22] 8.97% [7],[8],[17],[18] 8.97% [7],[8],[17],[18] 8.97% [7],[8],[17],[18]            
Principal Amount or Par Value $ 27,414 [3],[4],[9],[22]     $ 22,939 [7],[8],[11],[18]                
Cost 24,679 [3],[4],[22]     22,392 [7],[8],[18]                
Fair Value $ 17,711 [3],[4],[22]     $ 14,820 [7],[8],[18]                
Investment, Identifier [Axis]: TMK Hawk Parent, Corp. | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.00% [3],[4],[22] 4.00% [3],[4],[22] 4.00% [3],[4],[22] 1.00% [7],[8],[18],[24] 1.00% [7],[8],[18],[24] 1.00% [7],[8],[18],[24]            
PIK [7],[8],[18],[24]       3.00% 3.00% 3.00%            
Interest rate 7.64% [3],[4],[16],[22] 7.64% [3],[4],[16],[22] 7.64% [3],[4],[16],[22] 7.72% [7],[8],[17],[18] 7.72% [7],[8],[17],[18] 7.72% [7],[8],[17],[18]            
Principal Amount or Par Value $ 10,238 [3],[4],[9],[22]     $ 4,057 [7],[8],[11],[18]                
Cost 6,003 [3],[4],[22]     2,878 [7],[8],[18]                
Fair Value $ 6,548 [3],[4],[22]     $ 2,594 [7],[8],[18]                
Investment, Identifier [Axis]: TMK Hawk Parent, Corp. | Subordinated 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK 11.00% [3],[20],[23] 11.00% [3],[20],[23] 11.00% [3],[20],[23] 11.00% [7],[15],[24] 11.00% [7],[15],[24] 11.00% [7],[15],[24]            
Interest rate 11.00% [3],[16],[20] 11.00% [3],[16],[20] 11.00% [3],[16],[20] 11.00% [7],[15],[17] 11.00% [7],[15],[17] 11.00% [7],[15],[17]            
Principal Amount or Par Value $ 356 [3],[9],[20]     $ 337 [7],[11],[15]                
Cost 356 [3],[20]     337 [7],[15]                
Fair Value $ 356 [3],[20]     $ 337 [7],[15]                
Investment, Identifier [Axis]: TMK Hawk Parent, Corp. | Subordinated 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK 11.00% [3],[4],[23] 11.00% [3],[4],[23] 11.00% [3],[4],[23] 11.00% [7],[8],[24] 11.00% [7],[8],[24] 11.00% [7],[8],[24]            
Interest rate 11.00% [3],[4],[16] 11.00% [3],[4],[16] 11.00% [3],[4],[16] 11.00% [7],[8],[17] 11.00% [7],[8],[17] 11.00% [7],[8],[17]            
Principal Amount or Par Value $ 412 [3],[4],[9]     $ 325 [7],[8],[11]                
Cost 348 [3],[4]     325 [7],[8]                
Fair Value 412 [3],[4]     325 [7],[8]                
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC / Edmentum Ultimate Holdings, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Fair Value 43,475     40,365     91,620          
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC | Class B-1 Common Shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 48,080     48,080                
Cost 43,212 [4],[35],[58]     43,212 [8],[36],[57]                
Fair Value 5,000 [4],[35],[58]     5,000 [8],[36],[57]                
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC | Class B-2 Common Shares                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 29,707     29,707                
Cost 24,839 [4],[35],[58]     24,839 [8],[36],[57]                
Fair Value $ 0 [4],[35],[58]     $ 0 [8],[36],[57]                
Investment, Identifier [Axis]: TVG-Edmentum Holdings, LLC | Series C-2 Preferred Units                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK 15.00% [3],[4],[23],[35] 15.00% [3],[4],[23],[35] 15.00% [3],[4],[23],[35] 15.00% [7],[8],[24],[36] 15.00% [7],[8],[24],[36] 15.00% [7],[8],[24],[36]            
Interest rate 15.00% [3],[4],[16],[35] 15.00% [3],[4],[16],[35] 15.00% [3],[4],[16],[35] 15.00% [7],[8],[17],[36] 15.00% [7],[8],[17],[36] 15.00% [7],[8],[17],[36]            
Cost $ 9,385 [3],[4],[35]     $ 8,719 [7],[8],[36]                
Fair Value $ 9,385 [3],[4],[35]     $ 8,719 [7],[8],[36]                
Investment, Identifier [Axis]: Tempo Acquisition, LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [4],[22],[28] 1.75% 1.75% 1.75%                  
Interest rate [4],[16],[22],[28] 5.39% 5.39% 5.39%                  
Principal Amount or Par Value [4],[9],[22],[28] $ 27,536                      
Cost [4],[22],[28] 19,753                      
Fair Value [4],[22],[28] $ 23,354                      
Investment, Identifier [Axis]: Tennessee Bidco Limited | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.50% [3],[4],[22],[23] 3.50% [3],[4],[22],[23] 3.50% [3],[4],[22],[23] 3.50% [7],[8],[18],[24] 3.50% [7],[8],[18],[24] 3.50% [7],[8],[18],[24]            
PIK 2.00% [3],[4],[22],[23] 2.00% [3],[4],[22],[23] 2.00% [3],[4],[22],[23] 2.00% [7],[8],[18],[24] 2.00% [7],[8],[18],[24] 2.00% [7],[8],[18],[24]            
Interest rate 9.08% [3],[4],[16],[22] 9.08% [3],[4],[16],[22] 9.08% [3],[4],[16],[22] 9.40% [7],[8],[17],[18] 9.40% [7],[8],[17],[18] 9.40% [7],[8],[17],[18]            
Principal Amount or Par Value $ 20,017 [3],[4],[9],[22]     $ 19,815 [7],[8],[11],[18]                
Cost 20,099 [3],[4],[22]     19,903 [7],[8],[18]                
Fair Value $ 20,017 [3],[4],[22]     $ 19,815 [7],[8],[18]                
Investment, Identifier [Axis]: Tennessee Bidco Limited | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.50% [3],[19],[20],[23] 3.50% [3],[19],[20],[23] 3.50% [3],[19],[20],[23] 3.50% [7],[14],[15],[24] 3.50% [7],[14],[15],[24] 3.50% [7],[14],[15],[24]            
PIK 2.00% [3],[19],[20],[23] 2.00% [3],[19],[20],[23] 2.00% [3],[19],[20],[23] 2.00% [7],[14],[15],[24] 2.00% [7],[14],[15],[24] 2.00% [7],[14],[15],[24]            
Interest rate 9.08% [3],[16],[19],[20] 9.08% [3],[16],[19],[20] 9.08% [3],[16],[19],[20] 9.40% [7],[14],[15],[17] 9.40% [7],[14],[15],[17] 9.40% [7],[14],[15],[17]            
Principal Amount or Par Value $ 16,411 [3],[9],[19],[20]     $ 16,245 [7],[11],[14],[15]                
Cost 16,411 [3],[19],[20]     16,245 [7],[14],[15]                
Fair Value $ 16,411 [3],[19],[20]     $ 16,245 [7],[14],[15]                
Investment, Identifier [Axis]: Tennessee Bidco Limited | First lien 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.50% [3],[19],[20],[23] 3.50% [3],[19],[20],[23] 3.50% [3],[19],[20],[23] 3.50% [7],[14],[15],[24] 3.50% [7],[14],[15],[24] 3.50% [7],[14],[15],[24]            
PIK 2.00% [3],[19],[20],[23] 2.00% [3],[19],[20],[23] 2.00% [3],[19],[20],[23] 2.00% [7],[14],[15],[24] 2.00% [7],[14],[15],[24] 2.00% [7],[14],[15],[24]            
Interest rate 9.19% [3],[16],[19],[20] 9.19% [3],[16],[19],[20] 9.19% [3],[16],[19],[20] 9.26% [7],[14],[15],[17] 9.26% [7],[14],[15],[17] 9.26% [7],[14],[15],[17]            
Principal Amount or Par Value $ 899 [3],[9],[19],[20]     $ 890 [7],[11],[14],[15]                
Cost 899 [3],[19],[20]     890 [7],[14],[15]                
Fair Value 899 [3],[19],[20]     $ 890 [7],[14],[15]                
Investment, Identifier [Axis]: TigerConnect, Inc. | First lien - Drawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[12],[15]       6.25% 6.25% 6.25%            
Interest rate [7],[12],[15],[17]       10.25% 10.25% 10.25%            
Principal Amount or Par Value [7],[11],[12],[15]       $ 3,741                
Cost [7],[12],[15]       3,741                
Fair Value [7],[12],[15]       $ 3,741                
Investment, Identifier [Axis]: TigerConnect, Inc. | First lien - Drawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[12]       6.25% 6.25% 6.25%            
Interest rate [7],[8],[12],[17]       10.25% 10.25% 10.25%            
Principal Amount or Par Value [7],[8],[11],[12]       $ 42                
Cost [7],[8],[12]       42                
Fair Value [7],[8],[12]       42                
Investment, Identifier [Axis]: TigerConnect, Inc. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 4,267 [3],[4],[9],[10]     4,267 [7],[8],[11],[12]                
Cost (43) [3],[4],[10]     (43) [7],[8],[12]                
Fair Value $ (42) [3],[4],[10]     $ 0 [7],[8],[12]                
Investment, Identifier [Axis]: TigerConnect, Inc. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.25% [3],[4],[22] 6.25% [3],[4],[22] 6.25% [3],[4],[22] 6.25% [7],[8],[18] 6.25% [7],[8],[18] 6.25% [7],[8],[18]            
Interest rate 10.06% [3],[4],[16],[22] 10.06% [3],[4],[16],[22] 10.06% [3],[4],[16],[22] 10.25% [7],[8],[17],[18] 10.25% [7],[8],[17],[18] 10.25% [7],[8],[17],[18]            
Principal Amount or Par Value $ 29,875 [3],[4],[9],[22]     $ 29,875 [7],[8],[11],[18]                
Cost 29,746 [3],[4],[22]     29,728 [7],[8],[18]                
Fair Value $ 29,579 [3],[4],[22]     $ 29,875 [7],[8],[18]                
Investment, Identifier [Axis]: TigerConnect, Inc. | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.25% [3],[20] 6.25% [3],[20] 6.25% [3],[20] 6.25% [7],[8],[18] 6.25% [7],[8],[18] 6.25% [7],[8],[18]            
Interest rate 10.06% [3],[16],[20] 10.06% [3],[16],[20] 10.06% [3],[16],[20] 10.25% [7],[8],[17],[18] 10.25% [7],[8],[17],[18] 10.25% [7],[8],[17],[18]            
Principal Amount or Par Value $ 3,741 [3],[9],[20]     $ 3,054 [7],[8],[11],[18]                
Cost 3,741 [3],[20]     3,033 [7],[8],[18]                
Fair Value $ 3,704 [3],[20]     3,054 [7],[8],[18]                
Investment, Identifier [Axis]: TigerConnect, Inc. | First lien 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[22] 6.25% 6.25% 6.25%                  
Interest rate [3],[4],[16],[22] 10.06% 10.06% 10.06%                  
Principal Amount or Par Value [3],[4],[9],[22] $ 3,054                      
Cost [3],[4],[22] 3,035                      
Fair Value [3],[4],[22] $ 3,024                      
Investment, Identifier [Axis]: TigerConnect, Inc. | First lien 4                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4] 6.25% 6.25% 6.25%                  
Interest rate [3],[4],[16] 10.06% 10.06% 10.06%                  
Principal Amount or Par Value [3],[4],[9] $ 42                      
Cost [3],[4] 42                      
Fair Value [3],[4] 41                      
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 818 [3],[4],[9],[10]     818 [7],[8],[11],[12]                
Cost (8) [3],[4],[10]     (8) [7],[8],[12]                
Fair Value $ 0 [3],[4],[10]     $ 0 [7],[8],[12]                
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.25% [3],[19],[20] 4.25% [3],[19],[20] 4.25% [3],[19],[20] 4.50% [7],[14],[15] 4.50% [7],[14],[15] 4.50% [7],[14],[15]            
Interest rate 8.01% [3],[16],[19],[20] 8.01% [3],[16],[19],[20] 8.01% [3],[16],[19],[20] 8.44% [7],[14],[15],[17] 8.44% [7],[14],[15],[17] 8.44% [7],[14],[15],[17]            
Principal Amount or Par Value $ 8,303 [3],[9],[19],[20]     $ 8,345 [7],[11],[14],[15]                
Cost 8,272 [3],[19],[20]     8,310 [7],[14],[15]                
Fair Value $ 8,303 [3],[19],[20]     $ 8,345 [7],[14],[15]                
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corporation | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.25% [3],[19],[20] 4.25% [3],[19],[20] 4.25% [3],[19],[20] 4.50% [7],[14],[15] 4.50% [7],[14],[15] 4.50% [7],[14],[15]            
Interest rate 8.01% [3],[16],[19],[20] 8.01% [3],[16],[19],[20] 8.01% [3],[16],[19],[20] 8.50% [7],[14],[15],[17] 8.50% [7],[14],[15],[17] 8.50% [7],[14],[15],[17]            
Principal Amount or Par Value $ 2,784 [3],[9],[19],[20]     $ 2,798 [7],[11],[14],[15]                
Cost 2,772 [3],[19],[20]     2,784 [7],[14],[15]                
Fair Value $ 2,784 [3],[19],[20]     $ 2,798 [7],[14],[15]                
Investment, Identifier [Axis]: USRP Holdings, Inc. | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.75% [3],[19],[20] 4.75% [3],[19],[20] 4.75% [3],[19],[20] 5.00% [7],[14],[15] 5.00% [7],[14],[15] 5.00% [7],[14],[15]            
Interest rate 8.39% [3],[16],[19],[20] 8.39% [3],[16],[19],[20] 8.39% [3],[16],[19],[20] 8.72% [7],[14],[15],[17] 8.72% [7],[14],[15],[17] 8.72% [7],[14],[15],[17]            
Principal Amount or Par Value $ 12,331 [3],[9],[19],[20]     $ 12,396 [7],[11],[14],[15]                
Cost 12,283 [3],[19],[20]     12,341 [7],[14],[15]                
Fair Value 12,331 [3],[19],[20]     12,396 [7],[14],[15]                
Investment, Identifier [Axis]: USRP Holdings, Inc. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 893 [3],[4],[9],[10]     893 [7],[8],[11],[12]                
Cost (9) [3],[4],[10]     (9) [7],[8],[12]                
Fair Value 0 [3],[4],[10]     $ 0 [7],[8],[12]                
Investment, Identifier [Axis]: Ultimus Group Midco, LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[14],[15]       4.75% 4.75% 4.75%            
Interest rate [7],[14],[15],[17]       8.42% 8.42% 8.42%            
Principal Amount or Par Value [7],[11],[14],[15]       $ 9,116                
Cost [7],[14],[15]       9,073                
Fair Value [7],[14],[15]       9,070                
Investment, Identifier [Axis]: Ultimus Group Midco, LLC | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       1,139                
Cost [7],[8],[12]       (6)                
Fair Value [7],[8],[12]       (6)                
Investment, Identifier [Axis]: Ultimus Group Midco, LLC | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       3,039                
Cost [7],[8],[12]       0                
Fair Value [7],[8],[12]       (15)                
Investment, Identifier [Axis]: UniTek Global Services, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Fair Value 89,529     73,181     $ 107,524          
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Ordinary Shares 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[20],[55] 1,925                      
Fair Value [3],[20],[55] 0                      
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Ordinary Shares 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[4],[55] 532                      
Fair Value [3],[4],[55] $ 0                      
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Ordinary shares 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[15],[53]       1,925                
Fair Value [7],[15],[53]       0                
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Ordinary shares 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[8],[53]       532                
Fair Value [7],[8],[53]       $ 0                
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred Shares 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [3],[4],[23],[55] 20.00% 20.00% 20.00%                  
Interest rate [3],[4],[16],[55] 20.00% 20.00% 20.00%                  
Cost [3],[4],[55] $ 67,771                      
Fair Value [3],[4],[55] 71,095                      
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred Shares 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[4],[55] 29,318                      
Fair Value [3],[4],[55] 18,434                      
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred Shares 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[20],[55] 26,946                      
Fair Value [3],[20],[55] 0                      
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred Shares 4                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[4],[55] 7,447                      
Fair Value [3],[4],[55] 0                      
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred Shares 5                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [3],[4],[55] 0                      
Fair Value [3],[4],[55] $ 0                      
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred shares 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK [7],[8],[24],[53]       20.00% 20.00% 20.00%            
Interest rate [7],[8],[17],[53]       20.00% 20.00% 20.00%            
Cost [7],[8],[53]       $ 61,162                
Fair Value [7],[8],[53]       64,486                
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred shares 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[8],[53]       29,318                
Fair Value [7],[8],[53]       8,695                
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred shares 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[15],[53]       26,946                
Fair Value [7],[15],[53]       0                
Investment, Identifier [Axis]: UniTek Global Services, Inc. | Preferred shares 4                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Cost [7],[8],[53]       7,447                
Fair Value [7],[8],[53]       $ 0                
Investment, Identifier [Axis]: Vehlo Purchaser, LLC | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.25% [3],[4] 5.25% [3],[4] 5.25% [3],[4] 5.50% [8] 5.50% [8] 5.50% [8]            
Interest rate 8.89% [3],[4],[16] 8.89% [3],[4],[16] 8.89% [3],[4],[16] 9.22% [8],[17] 9.22% [8],[17] 9.22% [8],[17]            
Principal Amount or Par Value $ 6,042 [3],[4],[9]     $ 6,073 [8],[11]                
Cost 6,001 [3],[4]     6,022 [8]                
Fair Value 6,020 [3],[4]     6,042 [8]                
Investment, Identifier [Axis]: Viper Bidco,Inc. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 15,718                      
Investment, Identifier [Axis]: Viper Bidco. Inc. | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 1,838 [3],[4],[9],[10]     1,838 [7],[8],[11],[12]                
Cost 0 [3],[4],[10]     0 [7],[8],[12]                
Fair Value (36) [3],[4],[10]     0 [7],[8],[12]                
Investment, Identifier [Axis]: Viper Bidco. Inc. | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 3,320 [3],[4],[9],[10]     3,320 [7],[8],[11],[12]                
Cost (17) [3],[4],[10]     (17) [7],[8],[12]                
Fair Value $ (65) [3],[4],[10]     $ 0 [7],[8],[12]                
Investment, Identifier [Axis]: Viper Bidco. Inc. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.50% [3],[4],[22],[58] 4.50% [3],[4],[22],[58] 4.50% [3],[4],[22],[58] 4.75% [7],[8],[18],[57] 4.75% [7],[8],[18],[57] 4.75% [7],[8],[18],[57]            
Interest rate 8.23% [3],[4],[16],[22],[58] 8.23% [3],[4],[16],[22],[58] 8.23% [3],[4],[16],[22],[58] 8.47% [7],[8],[17],[18],[57] 8.47% [7],[8],[17],[18],[57] 8.47% [7],[8],[17],[18],[57]            
Principal Amount or Par Value     £ 11,850 [3],[4],[9],[22],[58] $ 16,051   £ 11,910 [7],[8],[11],[18],[57]            
Cost $ 14,966 [3],[4],[22],[58]     15,037 [7],[8],[18],[57]                
Fair Value $ 15,563 [3],[4],[22],[58]     $ 16,051 [7],[8],[18],[57]                
Investment, Identifier [Axis]: Viper Bidco. Inc. | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.50% [3],[4],[22] 4.50% [3],[4],[22] 4.50% [3],[4],[22] 4.75% [7],[8],[18] 4.75% [7],[8],[18] 4.75% [7],[8],[18]            
Interest rate 8.23% [3],[4],[16],[22] 8.23% [3],[4],[16],[22] 8.23% [3],[4],[16],[22] 8.42% [7],[8],[17],[18] 8.42% [7],[8],[17],[18] 8.42% [7],[8],[17],[18]            
Principal Amount or Par Value $ 2,294 [3],[4],[9],[22]     $ 2,306 [7],[8],[11],[18]                
Cost 2,284 [3],[4],[22]     2,294 [7],[8],[18]                
Fair Value $ 2,249 [3],[4],[22]     $ 2,306 [7],[8],[18]                
Investment, Identifier [Axis]: WEG Sub Intermediate Holdings, LLC | Subordinated                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
PIK 13.00% [3],[4],[23] 13.00% [3],[4],[23] 13.00% [3],[4],[23] 13.00% [7],[8],[24] 13.00% [7],[8],[24] 13.00% [7],[8],[24]            
Interest rate 13.00% [3],[4],[16] 13.00% [3],[4],[16] 13.00% [3],[4],[16] 13.00% [7],[8],[17] 13.00% [7],[8],[17] 13.00% [7],[8],[17]            
Principal Amount or Par Value $ 4,977 [3],[4],[9]     $ 4,665 [7],[8],[11]                
Cost 4,936 [3],[4]     4,623 [7],[8]                
Fair Value 4,977 [3],[4]     4,665 [7],[8]                
Investment, Identifier [Axis]: Wealth Enhancement Group, LLC | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 2,040 [3],[4],[9],[10]     2,040 [7],[8],[11],[12]                
Cost (6) [3],[4],[10]     (6) [7],[8],[12]                
Fair Value $ 0 [3],[4],[10]     $ 0 [7],[8],[12]                
Investment, Identifier [Axis]: Xactly Corporation | First lien                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.25% [3],[13] 6.25% [3],[13] 6.25% [3],[13] 6.25% [7],[21] 6.25% [7],[21] 6.25% [7],[21]            
Interest rate 10.02% [3],[13],[16] 10.02% [3],[13],[16] 10.02% [3],[13],[16] 10.17% [7],[17],[21] 10.17% [7],[17],[21] 10.17% [7],[17],[21]            
Principal Amount or Par Value $ 22,500 [3],[9],[13]     $ 22,500 [7],[11],[21]                
Cost 22,492 [3],[13]     22,489 [7],[21]                
Fair Value 21,233 [3],[13]     22,232 [7],[21]                
Investment, Identifier [Axis]: Xactly Corporation | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 992 [3],[4],[9],[10]     992 [7],[8],[11],[12]                
Cost (10) [3],[4],[10]     (10) [7],[8],[12]                
Fair Value $ (56) [3],[4],[10]     $ (12) [7],[8],[12]                
Investment, Identifier [Axis]: YLG Holdings, Inc. | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[12]       4.75% 4.75% 4.75%            
Interest rate [7],[8],[12],[17]       8.60% 8.60% 8.60%            
Principal Amount or Par Value [7],[8],[11],[12]       $ 394                
Cost [7],[8],[12]       392                
Fair Value [7],[8],[12]       394                
Investment, Identifier [Axis]: YLG Holdings, Inc. | First lien - Drawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[10] 4.75% 4.75% 4.75%                  
Interest rate [3],[4],[10],[16] 8.42% 8.42% 8.42%                  
Principal Amount or Par Value [3],[4],[9],[10] $ 392                      
Cost [3],[4],[10] 390                      
Fair Value [3],[4],[10] $ 392                      
Investment, Identifier [Axis]: YLG Holdings, Inc. | First lien - Drawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [3],[4],[10] 4.75% 4.75% 4.75%                  
Interest rate [3],[4],[10],[16] 8.41% 8.41% 8.41%                  
Principal Amount or Par Value [3],[4],[9],[10] $ 29                      
Cost [3],[4],[10] 29                      
Fair Value [3],[4],[10] 29                      
Investment, Identifier [Axis]: YLG Holdings, Inc. | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 271 [3],[4],[9],[10]     271 [7],[8],[11],[12]                
Cost (1) [3],[4],[10]     (1) [7],[8],[12]                
Fair Value 0 [3],[4],[10]     0 [7],[8],[12]                
Investment, Identifier [Axis]: YLG Holdings, Inc. | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 281 [3],[4],[9],[10]     309 [7],[8],[11],[12]                
Cost (1) [3],[4],[10]     (2) [7],[8],[12]                
Fair Value $ 0 [3],[4],[10]     $ 0 [7],[8],[12]                
Investment, Identifier [Axis]: YLG Holdings, Inc. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.75% [3],[30] 4.75% [3],[30] 4.75% [3],[30] 4.75% [7],[31] 4.75% [7],[31] 4.75% [7],[31]            
Interest rate 8.43% [3],[16],[30] 8.43% [3],[16],[30] 8.43% [3],[16],[30] 8.74% [7],[17],[31] 8.74% [7],[17],[31] 8.74% [7],[17],[31]            
Principal Amount or Par Value $ 21,552 [3],[9],[30]     $ 21,661 [7],[11],[31]                
Cost 21,531 [3],[30]     21,638 [7],[31]                
Fair Value $ 21,552 [3],[30]     $ 21,661 [7],[31]                
Investment, Identifier [Axis]: YLG Holdings, Inc. | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.75% [3],[19],[20] 4.75% [3],[19],[20] 4.75% [3],[19],[20] 4.75% [7],[14],[15] 4.75% [7],[14],[15] 4.75% [7],[14],[15]            
Interest rate 8.43% [3],[16],[19],[20] 8.43% [3],[16],[19],[20] 8.43% [3],[16],[19],[20] 8.74% [7],[14],[15],[17] 8.74% [7],[14],[15],[17] 8.74% [7],[14],[15],[17]            
Principal Amount or Par Value $ 4,287 [3],[9],[19],[20]     $ 4,309 [7],[11],[14],[15]                
Cost 4,269 [3],[19],[20]     4,289 [7],[14],[15]                
Fair Value $ 4,287 [3],[19],[20]     $ 4,309 [7],[14],[15]                
Investment, Identifier [Axis]: eResearchTechnology, Inc. | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[12],[18]       4.75% 4.75% 4.75%            
Interest rate [7],[8],[12],[17],[18]       8.47% 8.47% 8.47%            
Principal Amount or Par Value [7],[8],[11],[12],[18]       $ 301                
Cost [7],[8],[12],[18]       290                
Fair Value [7],[8],[12],[18]       301                
Investment, Identifier [Axis]: eResearchTechnology, Inc. | First lien - Undrawn 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       1,847                
Cost [7],[8],[12]       0                
Fair Value [7],[8],[12]       0                
Investment, Identifier [Axis]: eResearchTechnology, Inc. | First lien - Undrawn 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value [7],[8],[11],[12]       1,074                
Cost [7],[8],[12]       (11)                
Fair Value [7],[8],[12]       $ 0                
Investment, Identifier [Axis]: eResearchTechnology, Inc. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[14],[15]       4.75% 4.75% 4.75%            
Interest rate [7],[14],[15],[17]       8.47% 8.47% 8.47%            
Principal Amount or Par Value [7],[11],[14],[15]       $ 11,380                
Cost [7],[14],[15]       11,275                
Fair Value [7],[14],[15]       $ 11,380                
Investment, Identifier [Axis]: eResearchTechnology, Inc. | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[18]       4.75% 4.75% 4.75%            
Interest rate [7],[8],[17],[18]       8.47% 8.47% 8.47%            
Principal Amount or Par Value [7],[8],[11],[18]       $ 1,889                
Cost [7],[8],[18]       1,877                
Fair Value [7],[8],[18]       $ 1,889                
Investment, Identifier [Axis]: iCIMS, Inc. | First lien - Drawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.75% [3],[4],[10] 5.75% [3],[4],[10] 5.75% [3],[4],[10] 5.75% [7],[8],[12] 5.75% [7],[8],[12] 5.75% [7],[8],[12]            
Interest rate 9.41% [3],[4],[10],[16] 9.41% [3],[4],[10],[16] 9.41% [3],[4],[10],[16] 9.59% [7],[8],[12],[17] 9.59% [7],[8],[12],[17] 9.59% [7],[8],[12],[17]            
Principal Amount or Par Value $ 1,024 [3],[4],[9],[10]     $ 1,165 [7],[8],[11],[12]                
Cost 1,020 [3],[4],[10]     1,160 [7],[8],[12]                
Fair Value 959 [3],[4],[10]     1,134 [7],[8],[12]                
Investment, Identifier [Axis]: iCIMS, Inc. | First lien - Undrawn                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 2,506 [3],[4],[9],[10]     2,365 [7],[8],[11],[12]                
Cost (22) [3],[4],[10]     (21) [7],[8],[12]                
Fair Value $ (159) [3],[4],[10]     $ (64) [7],[8],[12]                
Investment, Identifier [Axis]: iCIMS, Inc. | First lien 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.25% [3],[4],[22] 6.25% [3],[4],[22] 6.25% [3],[4],[22] 5.75% [7],[8],[18] 5.75% [7],[8],[18] 5.75% [7],[8],[18]            
Interest rate 9.92% [3],[4],[16],[22] 9.92% [3],[4],[16],[22] 9.92% [3],[4],[16],[22] 9.61% [7],[8],[17],[18] 9.61% [7],[8],[17],[18] 9.61% [7],[8],[17],[18]            
Principal Amount or Par Value $ 7,366 [3],[4],[9],[22]     $ 44,742 [7],[8],[11],[18]                
Cost 7,338 [3],[4],[22]     44,590 [7],[8],[18]                
Fair Value 6,986 [3],[4],[22]     $ 43,538 [7],[8],[18]                
Investment, Identifier [Axis]: iCIMS, Inc. | First lien 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread [7],[8],[18]       6.25% 6.25% 6.25%            
Interest rate [7],[8],[17],[18]       10.11% 10.11% 10.11%            
Principal Amount or Par Value [7],[8],[11],[18]       $ 7,366                
Cost [7],[8],[18]       7,332                
Fair Value [7],[8],[18]       7,253                
SLP IV                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 671,491     664,399                
Cost 663,523     654,867                
Fair Value 624,995     641,452                
SLP IV | Funded Investments                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 668,783     659,603                
Cost 663,539     654,884                
Fair Value 625,062     641,435                
SLP IV | Unfunded Investments                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 2,708     4,796                
Cost (16)     (17)                
Fair Value $ (67)     $ 17                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | ADG, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 1.00% 1.00% 1.00% 1.00% 1.00% 1.00%            
PIK 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%            
Interest rate 7.88% 7.88% 7.88% 7.82% 7.82% 7.82%            
Principal Amount or Par Value $ 18,327     $ 18,217                
Cost 18,325     18,215                
Fair Value $ 13,609     $ 14,574                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | ADMI Corp. (aka Aspen Dental)                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%            
Interest rate 7.51% 7.51% 7.51% 7.58% 7.58% 7.58%            
Principal Amount or Par Value $ 1,786     $ 1,795                
Cost 1,784     1,792                
Fair Value $ 1,606     $ 1,708                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Accelya Lux Finco S.a r.l.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%            
Interest rate 8.98% 8.98% 8.98% 8.92% 8.92% 8.92%            
Principal Amount or Par Value $ 10,446     $ 10,498                
Cost 10,252     10,292                
Fair Value $ 9,950     $ 10,466                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | AmSpec Parent, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.00% 3.00% 3.00% 3.50% 3.50% 3.50%            
Interest rate 7.23% 7.23% 7.23% 7.17% 7.17% 7.17%            
Principal Amount or Par Value $ 5,491     $ 5,519                
Cost 5,486     5,514                
Fair Value $ 5,517     $ 5,547                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Asurion, LLC 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%            
Interest rate 7.91% 7.91% 7.91% 8.07% 8.07% 8.07%            
Principal Amount or Par Value $ 1,800     $ 9,593                
Cost 1,754     9,542                
Fair Value $ 1,785     $ 9,622                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Asurion, LLC 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%            
Interest rate 7.91% 7.91% 7.91% 7.97% 7.97% 7.97%            
Principal Amount or Par Value $ 987     $ 1,809                
Cost 975     1,759                
Fair Value $ 978     $ 1,811                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Asurion, LLC 3                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.75% 3.75% 3.75% 4.25% 4.25% 4.25%            
Interest rate 7.41% 7.41% 7.41% 7.97% 7.97% 7.97%            
Principal Amount or Par Value $ 9,569     $ 992                
Cost 9,522     979                
Fair Value $ 9,074     $ 994                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | BCPE Empire Holdings, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread       3.25% 3.25% 3.25%            
Interest rate       6.97% 6.97% 6.97%            
Principal Amount or Par Value       $ 8,509                
Cost       8,473                
Fair Value       $ 8,434                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | BCPE Empire Holdings, Inc. 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.25% 3.25% 3.25%                  
Interest rate 6.89% 6.89% 6.89%                  
Principal Amount or Par Value $ 7,858                      
Cost 7,827                      
Fair Value $ 7,764                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | BCPE Empire Holdings, Inc. 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.50% 3.50% 3.50%                  
Interest rate 7.14% 7.14% 7.14%                  
Principal Amount or Par Value $ 3,642                      
Cost 3,590                      
Fair Value $ 3,604                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | BIFM CA Buyer Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.25% 3.25% 3.25% 3.25% 3.25% 3.25%            
Interest rate 6.89% 6.89% 6.89% 6.97% 6.97% 6.97%            
Principal Amount or Par Value $ 6,577     $ 6,611                
Cost 6,561     6,585                
Fair Value $ 6,607     $ 6,664                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | BW Holding, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread       6.50% 6.50% 6.50%            
Interest rate       10.34% 10.34% 10.34%            
Principal Amount or Par Value       $ 445                
Cost       441                
Fair Value       $ 454                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Bach Finance Limited                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread       2.75% 2.75% 2.75%            
Interest rate       6.57% 6.57% 6.57%            
Principal Amount or Par Value       $ 1,595                
Cost       1,592                
Fair Value       $ 1,602                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Bella Holding Company, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.25% 3.25% 3.25% 3.00% 3.00% 3.00%            
Interest rate 6.89% 6.89% 6.89% 6.72% 6.72% 6.72%            
Principal Amount or Par Value $ 1,733     $ 1,737                
Cost 1,716     1,736                
Fair Value $ 1,721     $ 1,746                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Berlin Packaging L.L.C.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.25% 3.25% 3.25% 3.25% 3.25% 3.25%            
Interest rate 6.97% 6.97% 6.97% 7.11% 7.11% 7.11%            
Principal Amount or Par Value $ 4,902     $ 4,927                
Cost 4,905     4,930                
Fair Value $ 4,884     $ 4,944                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Boxer Parent Company Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread       3.00% 3.00% 3.00%            
Interest rate       6.82% 6.82% 6.82%            
Principal Amount or Par Value       $ 5,216                
Cost       5,205                
Fair Value       $ 5,208                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | BradyPLUS Holdings, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread       3.50% 3.50% 3.50%            
Interest rate       7.15% 7.15% 7.15%            
Principal Amount or Par Value       $ 3,650                
Cost       3,596                
Fair Value       $ 3,618                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | CVET Midco 2, L.P.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.00% 5.00% 5.00% 5.00% 5.00% 5.00%            
Interest rate 8.73% 8.73% 8.73% 8.67% 8.67% 8.67%            
Principal Amount or Par Value $ 6,489     $ 6,522                
Cost 6,383     6,402                
Fair Value $ 6,302     $ 5,879                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Capstone Borrower, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 2.75% 2.75% 2.75% 2.75% 2.75% 2.75%            
Interest rate 6.48% 6.48% 6.48% 6.40% 6.40% 6.40%            
Principal Amount or Par Value $ 5,785     $ 1,989                
Cost 5,519     1,979                
Fair Value $ 5,564     $ 1,991                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Cardinal Parent, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%            
Interest rate 8.38% 8.38% 8.38% 8.32% 8.32% 8.32%            
Principal Amount or Par Value $ 7,008     $ 7,046                
Cost 6,935     6,947                
Fair Value $ 6,208     $ 6,898                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Chrysaor Bidco S.a r.l.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.00% 3.00% 3.00% 3.25% 3.25% 3.25%            
Interest rate 6.67% 6.67% 6.67% 7.14% 7.14% 7.14%            
Principal Amount or Par Value $ 1,553     $ 1,561                
Cost 1,553     1,561                
Fair Value $ 1,558     $ 1,574                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Citrin Cooperman Advisors LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%            
Interest rate 6.73% 6.73% 6.73% 6.67% 6.67% 6.67%            
Principal Amount or Par Value $ 4,904     $ 4,179                
Cost 4,886     4,173                
Fair Value $ 4,780     $ 4,196                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Cleanova US Holdings LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.75% 4.75% 4.75% 4.75% 4.75% 4.75%            
Interest rate 8.41% 8.41% 8.41% 8.48% 8.48% 8.48%            
Principal Amount or Par Value $ 11,124     $ 11,973                
Cost 11,012     11,846                
Fair Value $ 10,919     $ 11,973                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Cloudera, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%            
Interest rate 7.49% 7.49% 7.49% 7.57% 7.57% 7.57%            
Principal Amount or Par Value $ 9,575     $ 9,625                
Cost 9,491     9,524                
Fair Value $ 7,473     $ 9,247                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Clydesdale Acquisition Holdings, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.25% 3.25% 3.25% 3.25% 3.25% 3.25%            
Interest rate 6.89% 6.89% 6.89% 6.97% 6.97% 6.97%            
Principal Amount or Par Value $ 5,518     $ 5,521                
Cost 5,519     5,523                
Fair Value $ 5,313     $ 5,525                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Cohnreznick Advisory LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.25% 3.25% 3.25% 3.50% 3.50% 3.50%            
Interest rate 6.98% 6.98% 6.98% 7.17% 7.17% 7.17%            
Principal Amount or Par Value $ 5,786     $ 5,475                
Cost 5,769     5,463                
Fair Value $ 5,658     $ 5,513                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Confluence Technologies, Inc. 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%            
Interest rate 7.63% 7.63% 7.63% 7.57% 7.57% 7.57%            
Principal Amount or Par Value $ 9,550     $ 9,600                
Cost 9,533     9,579                
Fair Value $ 7,966     $ 8,058                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Confluence Technologies, Inc. 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.00% 5.00% 5.00% 5.00% 5.00% 5.00%            
Interest rate 8.65% 8.65% 8.65% 8.85% 8.85% 8.85%            
Principal Amount or Par Value $ 943     $ 943                
Cost 943     942                
Fair Value $ 941     $ 943                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Confluent Health, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%            
Interest rate 7.76% 7.76% 7.76% 7.83% 7.83% 7.83%            
Principal Amount or Par Value $ 3,065     $ 3,082                
Cost 3,059     3,074                
Fair Value $ 2,734     $ 2,758                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Confluent Medical Technologies, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%            
Interest rate 6.73% 6.73% 6.73% 6.67% 6.67% 6.67%            
Principal Amount or Par Value $ 6,706     $ 6,740                
Cost 6,691     6,723                
Fair Value $ 6,748     $ 6,799                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | ConnectWise, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%            
Interest rate 7.49% 7.49% 7.49% 7.43% 7.43% 7.43%            
Principal Amount or Par Value $ 6,572     $ 6,606                
Cost 6,578     6,614                
Fair Value $ 6,070     $ 6,503                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Convey Health Solutions, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 1.31% 1.31% 1.31% 1.00% 1.00% 1.00%            
PIK 3.94% 3.94% 3.94% 3.94% 3.94% 3.94%            
Interest rate 9.08% 9.08% 9.08% 8.71% 8.71% 8.71%            
Principal Amount or Par Value $ 3,390     $ 3,509                
Cost 3,349     3,466                
Fair Value $ 424     $ 2,562                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | CoreLogic, Inc. (fka First American Corporation, The)                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.50% 3.50% 3.50%                  
Interest rate 7.26% 7.26% 7.26%                  
Principal Amount or Par Value $ 398                      
Cost 393                      
Fair Value $ 394                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Cornerstone OnDemand, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%            
Interest rate 7.51% 7.51% 7.51% 7.58% 7.58% 7.58%            
Principal Amount or Par Value $ 1,800     $ 1,809                
Cost 1,796     1,805                
Fair Value $ 1,155     $ 1,668                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | DG Investment Intermediate Holdings 2, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.25% 3.25% 3.25% 3.75% 3.75% 3.75%            
Interest rate 6.89% 6.89% 6.89% 7.47% 7.47% 7.47%            
Principal Amount or Par Value $ 7,247     $ 7,283                
Cost 7,229     7,264                
Fair Value $ 7,269     $ 7,310                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Dayforce Bidco, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.00% 3.00% 3.00%                  
Interest rate 6.66% 6.66% 6.66%                  
Principal Amount or Par Value $ 3,003                      
Cost 2,924                      
Fair Value $ 2,747                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Dealer Tire Financial, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%            
Interest rate 6.64% 6.64% 6.64% 6.72% 6.72% 6.72%            
Principal Amount or Par Value $ 10,323     $ 10,376                
Cost 10,284     10,333                
Fair Value $ 10,259     $ 10,402                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Disco Parent, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.00% 3.00% 3.00% 3.25% 3.25% 3.25%            
Interest rate 6.67% 6.67% 6.67% 7.07% 7.07% 7.07%            
Principal Amount or Par Value $ 843     $ 4,625                
Cost 841     4,614                
Fair Value $ 825     $ 4,660                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Discovery Purchaser Corporation                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%            
Interest rate 7.41% 7.41% 7.41% 7.61% 7.61% 7.61%            
Principal Amount or Par Value $ 6,833     $ 9,227                
Cost 6,657     8,958                
Fair Value $ 6,815     $ 8,889                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | EAB Global, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%            
Interest rate 6.64% 6.64% 6.64% 6.72% 6.72% 6.72%            
Principal Amount or Par Value $ 6,841     $ 6,876                
Cost 6,773     6,801                
Fair Value $ 6,183     $ 6,131                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Eagle Parent Corp.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%            
Interest rate 7.98% 7.98% 7.98% 7.92% 7.92% 7.92%            
Principal Amount or Par Value $ 8,798     $ 8,844                
Cost 8,720     8,753                
Fair Value $ 8,862     $ 8,878                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Eisner Advisory Group LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%            
Interest rate 7.64% 7.64% 7.64% 7.72% 7.72% 7.72%            
Principal Amount or Par Value $ 6,843     $ 4,976                
Cost 6,775     4,937                
Fair Value $ 6,735     $ 5,017                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Embecta Corp.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%            
Interest rate 6.73% 6.73% 6.73% 6.72% 6.72% 6.72%            
Principal Amount or Par Value $ 1,585     $ 1,684                
Cost 1,589     1,688                
Fair Value $ 1,262     $ 1,689                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | FNZ Group Entities Limited                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.00% 5.00% 5.00% 5.00% 5.00% 5.00%            
Interest rate 8.66% 8.66% 8.66% 8.90% 8.90% 8.90%            
Principal Amount or Par Value $ 7,180     $ 7,216                
Cost 7,061     7,088                
Fair Value $ 5,747     $ 5,742                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Finastra USA, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%            
Interest rate 7.75% 7.75% 7.75% 7.72% 7.72% 7.72%            
Principal Amount or Par Value $ 8,234     $ 8,255                
Cost 8,165     8,181                
Fair Value $ 7,613     $ 8,097                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | First Advantage Holdings, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 2.75% 2.75% 2.75% 2.75% 2.75% 2.75%            
Interest rate 6.48% 6.48% 6.48% 6.47% 6.47% 6.47%            
Principal Amount or Par Value $ 549     $ 1,777                
Cost 544     1,759                
Fair Value $ 543     $ 1,762                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Flash Charm, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%            
Interest rate 7.16% 7.16% 7.16% 7.35% 7.35% 7.35%            
Principal Amount or Par Value $ 6,196     $ 9,955                
Cost 6,205     9,924                
Fair Value $ 4,837     $ 9,315                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Forgent Intermediate IV LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread       3.25% 3.25% 3.25%            
Interest rate       6.90% 6.90% 6.90%            
Principal Amount or Par Value       $ 8,118                
Cost       8,037                
Fair Value       $ 8,077                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Forgent Power LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 2.25% 2.25% 2.25%                  
Interest rate 5.95% 5.95% 5.95%                  
Principal Amount or Par Value $ 8,098                      
Cost 8,021                      
Fair Value $ 8,136                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Foundational Education Group, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.25% 4.25% 4.25% 3.75% 3.75% 3.75%            
Interest rate 8.18% 8.18% 8.18% 7.85% 7.85% 7.85%            
Principal Amount or Par Value $ 10,873     $ 10,930                
Cost 10,809     10,852                
Fair Value $ 10,112     $ 10,105                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Groundworks, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%            
Interest rate 6.65% 6.65% 6.65% 6.73% 6.73% 6.73%            
Principal Amount or Par Value $ 6,420     $ 6,452                
Cost 6,390     6,297                
Fair Value $ 6,402     $ 6,492                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | HIG Finance 2 Limited                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 2.75% 2.75% 2.75%                  
Interest rate 6.39% 6.39% 6.39%                  
Principal Amount or Par Value $ 2,985                      
Cost 2,892                      
Fair Value $ 2,810                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | HIG Operations Holdings, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread       4.50% 4.50% 4.50%            
Interest rate       8.22% 8.22% 8.22%            
Principal Amount or Par Value       $ 7,123                
Cost       7,123                
Fair Value       $ 7,123                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | HIG Operations Holdings, Inc. 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.50% 4.50% 4.50%                  
Interest rate 8.14% 8.14% 8.14%                  
Principal Amount or Par Value $ 7,087                      
Cost 7,087                      
Fair Value $ 7,087                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | HIG Operations Holdings, Inc. 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.50% 4.50% 4.50%                  
Interest rate 8.14% 8.14% 8.14%                  
Principal Amount or Par Value $ 1,233                      
Cost 1,233                      
Fair Value $ 1,233                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | HP PHRG Borrower, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%            
Interest rate 7.73% 7.73% 7.73% 7.67% 7.67% 7.67%            
Principal Amount or Par Value $ 10,544     $ 10,597                
Cost 10,479     10,527                
Fair Value $ 10,491     $ 10,553                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Heartland Dental, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.50% 3.50% 3.50% 3.75% 3.75% 3.75%            
Interest rate 7.14% 7.14% 7.14% 7.47% 7.47% 7.47%            
Principal Amount or Par Value $ 9,860     $ 9,910                
Cost 9,838     9,886                
Fair Value $ 9,879     $ 9,963                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Help/Systems Holdings, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.00% 6.00% 6.00% 6.00% 6.00% 6.00%            
Interest rate 9.77% 9.77% 9.77% 9.97% 9.97% 9.97%            
Principal Amount or Par Value $ 6,017     $ 6,047                
Cost 6,010     6,039                
Fair Value $ 4,588     $ 5,494                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Houghton Mifflin Harcourt Company                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%            
Interest rate 9.01% 9.01% 9.01% 9.07% 9.07% 9.07%            
Principal Amount or Par Value $ 8,130     $ 8,172                
Cost 7,960     7,975                
Fair Value $ 6,460     $ 7,233                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Inizio Group Limited                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%            
Interest rate 8.08% 8.08% 8.08% 8.02% 8.02% 8.02%            
Principal Amount or Par Value $ 9,702     $ 9,702                
Cost 9,614     9,595                
Fair Value $ 9,311     $ 9,472                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Jones DesLauriers Insurance Management Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%            
Interest rate 6.66% 6.66% 6.66% 6.65% 6.65% 6.65%            
Principal Amount or Par Value $ 4,974     $ 1,711                
Cost 4,889     1,707                
Fair Value $ 4,773     $ 1,715                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Kaseya Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.25% 3.25% 3.25% 3.00% 3.00% 3.00%            
Interest rate 6.91% 6.91% 6.91% 6.72% 6.72% 6.72%            
Principal Amount or Par Value $ 8,111     $ 8,152                
Cost 8,096     8,135                
Fair Value $ 6,313     $ 8,169                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Kestra Advisor Services Holdings A, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread       3.00% 3.00% 3.00%            
Interest rate       6.72% 6.72% 6.72%            
Principal Amount or Par Value       $ 2,280                
Cost       2,277                
Fair Value       $ 2,287                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | KnowBe4, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%            
Interest rate 7.41% 7.41% 7.41% 7.59% 7.59% 7.59%            
Principal Amount or Par Value $ 4,763     $ 8,761                
Cost 4,763     8,762                
Fair Value $ 3,739     $ 8,778                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | LSCS Holdings, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%            
Interest rate 8.23% 8.23% 8.23% 8.17% 8.17% 8.17%            
Principal Amount or Par Value $ 10,145     $ 10,197                
Cost 10,096     10,144                
Fair Value $ 9,977     $ 10,010                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | LTR Intermediate Holdings, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%            
Interest rate 7.39% 7.39% 7.39% 7.40% 7.40% 7.40%            
Principal Amount or Par Value $ 5,029     $ 5,041                
Cost 5,005     5,016                
Fair Value $ 5,046     $ 5,061                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | MED ParentCo, LP                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%            
Interest rate 6.64% 6.64% 6.64% 6.72% 6.72% 6.72%            
Principal Amount or Par Value $ 7,254     $ 7,291                
Cost 7,225     7,259                
Fair Value $ 7,271     $ 7,321                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Marcel Bidco LLC (Marcel Bidco GmbH)                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%            
Interest rate 6.62% 6.62% 6.62% 6.93% 6.93% 6.93%            
Principal Amount or Par Value $ 3,006     $ 2,019                
Cost 2,981     1,996                
Fair Value $ 2,935     $ 2,032                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Mavis Tire Express Services Topco, Corp.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%            
Interest rate 6.67% 6.67% 6.67% 6.72% 6.72% 6.72%            
Principal Amount or Par Value $ 8,450     $ 8,493                
Cost 8,434     8,473                
Fair Value $ 8,447     $ 8,533                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Michael Baker International, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread       4.00% 4.00% 4.00%            
Interest rate       7.84% 7.84% 7.84%            
Principal Amount or Par Value       $ 3,829                
Cost       3,829                
Fair Value       $ 3,843                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Michael Baker International, LLC 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.00% 4.00% 4.00%                  
Interest rate 7.66% 7.66% 7.66%                  
Principal Amount or Par Value $ 3,810                      
Cost 3,810                      
Fair Value $ 3,814                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Michael Baker International, LLC 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.50% 4.50% 4.50%                  
Interest rate 8.23% 8.23% 8.23%                  
Principal Amount or Par Value $ 1,263                      
Cost 1,230                      
Fair Value $ 1,264                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Neon Maple Purchaser Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 2.50% 2.50% 2.50% 2.50% 2.50% 2.50%            
Interest rate 6.14% 6.14% 6.14% 6.22% 6.22% 6.22%            
Principal Amount or Par Value $ 2,216     $ 1,477                
Cost 2,218     1,483                
Fair Value $ 2,164     $ 1,481                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Nexus Buyer LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%            
Interest rate 7.64% 7.64% 7.64% 7.72% 7.72% 7.72%            
Principal Amount or Par Value $ 8,864     $ 8,909                
Cost 8,822     8,864                
Fair Value $ 8,600     $ 8,855                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Nielsen Consumer, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 2.25% 2.25% 2.25% 2.25% 2.25% 2.25%            
Interest rate 5.89% 5.89% 5.89% 5.97% 5.97% 5.97%            
Principal Amount or Par Value $ 3,663     $ 3,682                
Cost 3,502     3,504                
Fair Value $ 3,626     $ 3,692                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | OVG Business Services, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%            
Interest rate 6.64% 6.64% 6.64% 6.72% 6.72% 6.72%            
Principal Amount or Par Value $ 1,754     $ 1,763                
Cost 1,746     1,755                
Fair Value $ 1,759     $ 1,769                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Oak-Eagle Acquireco, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.50% 3.50% 3.50%                  
Interest rate 6.73% 6.73% 6.73%                  
Principal Amount or Par Value $ 1,962                      
Cost 1,933                      
Fair Value $ 1,969                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Oceankey (U.S.) II Corp.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%            
Interest rate 7.24% 7.24% 7.24% 7.32% 7.32% 7.32%            
Principal Amount or Par Value $ 9,191     $ 9,239                
Cost 9,194     9,243                
Fair Value $ 8,832     $ 9,126                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Orbit Private Holdings I Ltd                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%            
Interest rate 7.60% 7.60% 7.60% 7.55% 7.55% 7.55%            
Principal Amount or Par Value $ 5,956     $ 5,785                
Cost 5,935     5,763                
Fair Value $ 5,961     $ 5,816                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Orion Advisor Solutions, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread       3.25% 3.25% 3.25%            
Interest rate       6.90% 6.90% 6.90%            
Principal Amount or Par Value       $ 955                
Cost       956                
Fair Value       $ 962                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Orion Midco Ltd                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%            
Interest rate 7.17% 7.17% 7.17% 7.43% 7.43% 7.43%            
Principal Amount or Par Value $ 5,622     $ 5,237                
Cost 5,617     5,231                
Fair Value $ 5,632     $ 5,267                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Osaic Holdings, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 2.50% 2.50% 2.50% 3.00% 3.00% 3.00%            
Interest rate 6.23% 6.23% 6.23% 6.60% 6.60% 6.60%            
Principal Amount or Par Value $ 3,541     $ 8,883                
Cost 3,541     8,861                
Fair Value $ 3,500     $ 8,930                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Osmose Utilities Services, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.25% 3.25% 3.25% 3.25% 3.25% 3.25%            
Interest rate 7.01% 7.01% 7.01% 7.08% 7.08% 7.08%            
Principal Amount or Par Value $ 8,829     $ 8,875                
Cost 8,560     8,543                
Fair Value $ 8,790     $ 8,742                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Outcomes Group Holdings, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%            
Interest rate 6.64% 6.64% 6.64% 6.72% 6.72% 6.72%            
Principal Amount or Par Value $ 2,815     $ 2,829                
Cost 2,806     2,819                
Fair Value $ 2,826     $ 2,850                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Pearls (Netherlands) Bidco B.V.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.25% 3.25% 3.25% 3.25% 3.25% 3.25%            
Interest rate 6.91% 6.91% 6.91% 7.09% 7.09% 7.09%            
Principal Amount or Par Value $ 2,749     $ 5,679                
Cost 2,648     5,436                
Fair Value $ 2,513     $ 5,150                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Perforce Software, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.75% 4.75% 4.75% 4.75% 4.75% 4.75%            
Interest rate 8.39% 8.39% 8.39% 8.47% 8.47% 8.47%            
Principal Amount or Par Value $ 3,182     $ 3,198                
Cost 3,171     3,186                
Fair Value $ 1,642     $ 2,715                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Physician Partners, LLC 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 6.00% 6.00% 6.00% 6.00% 6.00% 6.00%            
Interest rate 9.73% 9.73% 9.73% 9.67% 9.67% 9.67%            
Principal Amount or Par Value $ 2,770     $ 1,784                
Cost 2,674     1,740                
Fair Value $ 2,762     $ 1,492                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Physician Partners, LLC 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 1.50% 1.50% 1.50% 1.50% 1.50% 1.50%            
PIK 2.50% 2.50% 2.50% 2.50% 2.50% 2.50%            
Interest rate 7.88% 7.88% 7.88% 7.82% 7.82% 7.82%            
Principal Amount or Par Value $ 2,147     $ 2,120                
Cost 2,137     2,109                
Fair Value $ 1,950     $ 1,022                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Pioneer AcquisitionCo, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 2.50% 2.50% 2.50% 3.25% 3.25% 3.25%            
Interest rate 6.15% 6.15% 6.15% 6.94% 6.94% 6.94%            
Principal Amount or Par Value $ 5,033     $ 5,046                
Cost 5,021     5,033                
Fair Value $ 5,043     $ 5,074                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Planview Parent, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.50% 3.50% 3.50% 3.50% 3.50% 3.50%            
Interest rate 7.23% 7.23% 7.23% 7.17% 7.17% 7.17%            
Principal Amount or Par Value $ 7,900     $ 7,940                
Cost 7,852     7,876                
Fair Value $ 6,831     $ 7,641                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Project Alpha Intermediate Holding, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.25% 3.25% 3.25% 3.25% 3.25% 3.25%            
Interest rate 6.98% 6.98% 6.98% 6.92% 6.92% 6.92%            
Principal Amount or Par Value $ 9,659     $ 9,708                
Cost 9,526     9,561                
Fair Value $ 7,056     $ 9,704                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Pushpay USA Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%            
Interest rate 7.39% 7.39% 7.39% 7.62% 7.62% 7.62%            
Principal Amount or Par Value $ 8,808     $ 8,853                
Cost 8,813     8,858                
Fair Value $ 8,280     $ 8,858                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Quartz AcquireCo, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 2.25% 2.25% 2.25% 2.25% 2.25% 2.25%            
Interest rate 5.98% 5.98% 5.98% 5.92% 5.92% 5.92%            
Principal Amount or Par Value $ 1,105     $ 1,477                
Cost 1,101     1,472                
Fair Value $ 927     $ 1,477                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | RealPage, Inc. 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%            
Interest rate 6.99% 6.99% 6.99% 6.93% 6.93% 6.93%            
Principal Amount or Par Value $ 3,517     $ 1,940                
Cost 3,510     1,938                
Fair Value $ 3,296     $ 1,941                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | RealPage, Inc. 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%            
Interest rate 7.48% 7.48% 7.48% 7.42% 7.42% 7.42%            
Principal Amount or Par Value $ 4,074     $ 1,985                
Cost 4,007     1,978                
Fair Value $ 3,841     $ 1,994                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Rithum Holdings, Inc. (fka CommerceHub, Inc.)                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.75% 4.75% 4.75% 4.75% 4.75% 4.75%            
Interest rate 8.48% 8.48% 8.48% 8.42% 8.42% 8.42%            
Principal Amount or Par Value $ 10,010     $ 10,061                
Cost 9,944     9,990                
Fair Value $ 9,478     $ 10,076                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | RxB Holdings, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.00% 5.00% 5.00% 5.00% 5.00% 5.00%            
Interest rate 8.64% 8.64% 8.64% 8.65% 8.65% 8.65%            
Principal Amount or Par Value $ 3,263     $ 3,283                
Cost 3,203     3,218                
Fair Value $ 3,259     $ 3,246                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | STATS Intermediate Holdings, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 7.00% 7.00% 7.00%                  
Interest rate 10.67% 10.67% 10.67%                  
Principal Amount or Par Value $ 6,983                      
Cost 6,744                      
Fair Value $ 6,764                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | STATS Intermediate Holdings, LLC 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread       5.25% 5.25% 5.25%            
Interest rate       9.40% 9.40% 9.40%            
Principal Amount or Par Value       $ 4,940                
Cost       4,902                
Fair Value       $ 4,868                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | STATS Intermediate Holdings, LLC 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread       7.25% 7.25% 7.25%            
Interest rate       11.40% 11.40% 11.40%            
Principal Amount or Par Value       $ 2,225                
Cost       2,210                
Fair Value       $ 2,225                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Secretariat Advisors LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%            
Interest rate 7.73% 7.73% 7.73% 7.67% 7.67% 7.67%            
Principal Amount or Par Value $ 6,265     $ 6,110                
Cost 6,242     6,083                
Fair Value $ 6,160     $ 6,134                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Secure Acquisition, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%            
Interest rate 7.39% 7.39% 7.39% 7.42% 7.42% 7.42%            
Principal Amount or Par Value $ 2,587     $ 330                
Cost 2,585     331                
Fair Value $ 2,589     $ 333                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | SonarSource Financing, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%            
Interest rate 8.18% 8.18% 8.18% 8.15% 8.15% 8.15%            
Principal Amount or Par Value $ 6,967     $ 7,100                
Cost 6,870     6,994                
Fair Value $ 6,497     $ 7,029                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Sovos Compliance, LLC (fka Taxware, LLC)                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.25% 3.25% 3.25% 3.25% 3.25% 3.25%            
Interest rate 6.89% 6.89% 6.89% 6.97% 6.97% 6.97%            
Principal Amount or Par Value $ 6,677     $ 5,561                
Cost 6,630     5,566                
Fair Value $ 6,276     $ 5,584                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Spring Education Group, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.25% 3.25% 3.25% 3.25% 3.25% 3.25%            
Interest rate 6.98% 6.98% 6.98% 6.92% 6.92% 6.92%            
Principal Amount or Par Value $ 10,102     $ 10,154                
Cost 10,023     10,066                
Fair Value $ 10,094     $ 10,225                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Storable, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.25% 3.25% 3.25% 3.25% 3.25% 3.25%            
Interest rate 6.89% 6.89% 6.89% 6.97% 6.97% 6.97%            
Principal Amount or Par Value $ 5,561     $ 3,820                
Cost 5,535     3,818                
Fair Value $ 4,991     $ 3,843                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Summit Acquisition Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.50% 3.50% 3.50%                  
Interest rate 7.14% 7.14% 7.14%                  
Principal Amount or Par Value $ 746                      
Cost 744                      
Fair Value $ 747                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Sword Purchaser, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.00% 4.00% 4.00%                  
Interest rate 7.64% 7.64% 7.64%                  
Principal Amount or Par Value $ 2,840                      
Cost 2,701                      
Fair Value $ 2,775                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Symplr Software, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.50% 4.50% 4.50% 4.50% 4.50% 4.50%            
Interest rate 8.26% 8.26% 8.26% 8.44% 8.44% 8.44%            
Principal Amount or Par Value $ 3,630     $ 3,650                
Cost 3,628     3,646                
Fair Value $ 2,394     $ 3,109                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | TRC Companies LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread       3.00% 3.00% 3.00%            
Interest rate       6.72% 6.72% 6.72%            
Principal Amount or Par Value       $ 5,332                
Cost       5,318                
Fair Value       $ 5,355                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Team.blue Finco SARL                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.25% 3.25% 3.25% 3.25% 3.25% 3.25%            
Interest rate 6.98% 6.98% 6.98% 6.92% 6.92% 6.92%            
Principal Amount or Par Value $ 7,184     $ 7,220                
Cost 7,170     7,205                
Fair Value $ 6,887     $ 7,267                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Tegra118 Wealth Solutions, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.00% 4.00% 4.00%                  
Interest rate 7.67% 7.67% 7.67%                  
Principal Amount or Par Value $ 7,322                      
Cost 7,266                      
Fair Value $ 7,354                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Tempo Acquisition, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 1.75% 1.75% 1.75%                  
Interest rate 5.39% 5.39% 5.39%                  
Principal Amount or Par Value $ 1,148                      
Cost 967                      
Fair Value $ 974                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Therapy Brands Holdings LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%            
Interest rate 7.93% 7.93% 7.93% 7.83% 7.83% 7.83%            
Principal Amount or Par Value $ 5,816     $ 5,847                
Cost 5,806     5,834                
Fair Value $ 5,388     $ 5,412                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Thermostat Purchaser III, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.25% 4.25% 4.25% 4.25% 4.25% 4.25%            
Interest rate 7.98% 7.98% 7.98% 7.92% 7.92% 7.92%            
Principal Amount or Par Value $ 8,573     $ 8,617                
Cost 8,569     8,612                
Fair Value $ 8,489     $ 8,602                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | TransDigm Inc. 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread       2.50% 2.50% 2.50%            
Interest rate       6.22% 6.22% 6.22%            
Principal Amount or Par Value       $ 1,477                
Cost       1,481                
Fair Value       $ 1,485                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | TransDigm Inc. 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread       2.50% 2.50% 2.50%            
Interest rate       6.22% 6.22% 6.22%            
Principal Amount or Par Value       $ 886                
Cost       889                
Fair Value       $ 891                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Tricorbraun Holdings, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.25% 3.25% 3.25% 3.25% 3.25% 3.25%            
Interest rate 6.89% 6.89% 6.89% 6.97% 6.97% 6.97%            
Principal Amount or Par Value $ 7,045     $ 7,082                
Cost 7,022     7,057                
Fair Value $ 6,609     $ 6,876                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | UKG Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 2.25% 2.25% 2.25%                  
Interest rate 5.91% 5.91% 5.91%                  
Principal Amount or Par Value $ 3,437                      
Cost 3,377                      
Fair Value $ 3,245                      
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | US Fertility Enterprises, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.25% 3.25% 3.25% 3.50% 3.50% 3.50%            
Interest rate 6.98% 6.98% 6.98% 7.22% 7.22% 7.22%            
Principal Amount or Par Value $ 4,785     $ 4,378                
Cost 4,762     4,356                
Fair Value $ 4,806     $ 4,400                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | VSTG Intermediate Holdings, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.75% 3.75% 3.75% 3.75% 3.75% 3.75%            
Interest rate 7.48% 7.48% 7.48% 7.42% 7.42% 7.42%            
Principal Amount or Par Value $ 7,045     $ 7,082                
Cost 7,038     7,074                
Fair Value $ 6,935     $ 7,082                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | VT Topco, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.00% 3.00% 3.00% 3.00% 3.00% 3.00%            
Interest rate 6.64% 6.64% 6.64% 6.87% 6.87% 6.87%            
Principal Amount or Par Value $ 7,328     $ 6,865                
Cost 7,227     6,769                
Fair Value $ 7,200     $ 6,781                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Valcour Packaging, LLC 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%            
Interest rate 8.89% 8.89% 8.89% 8.99% 8.99% 8.99%            
Principal Amount or Par Value $ 6,943     $ 1,641                
Cost 6,979     1,629                
Fair Value $ 6,951     $ 1,660                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Valcour Packaging, LLC 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.75% 3.75% 3.75% 1.50% 1.50% 1.50%            
PIK       2.25% 2.25% 2.25%            
Interest rate 7.50% 7.50% 7.50% 7.60% 7.60% 7.60%            
Principal Amount or Par Value $ 2,337     $ 2,311                
Cost 2,337     2,311                
Fair Value $ 1,873     $ 1,804                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Viant Medical Holdings, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 4.00% 4.00% 4.00% 4.00% 4.00% 4.00%            
Interest rate 7.64% 7.64% 7.64% 7.72% 7.72% 7.72%            
Principal Amount or Par Value $ 7,705     $ 7,745                
Cost 7,686     7,724                
Fair Value $ 7,274     $ 7,680                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Xplor T1, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.25% 3.25% 3.25% 3.50% 3.50% 3.50%            
Interest rate 6.91% 6.91% 6.91% 7.29% 7.29% 7.29%            
Principal Amount or Par Value $ 12,505     $ 12,569                
Cost 12,456     12,516                
Fair Value $ 11,505     $ 12,600                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Zelis Cost Management Buyer, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.25% 3.25% 3.25% 3.25% 3.25% 3.25%            
Interest rate 6.89% 6.89% 6.89% 6.97% 6.97% 6.97%            
Principal Amount or Par Value $ 12,331     $ 12,394                
Cost 12,333     12,395                
Fair Value $ 12,058     $ 12,316                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Zest Acquisition Corp.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.25% 5.25% 5.25% 5.25% 5.25% 5.25%            
Interest rate 8.92% 8.92% 8.92% 9.11% 9.11% 9.11%            
Principal Amount or Par Value $ 3,864     $ 3,884                
Cost 3,808     3,822                
Fair Value $ 3,864     $ 3,884                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Zone Climate Services, Inc. 1                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.50% 5.50% 5.50% 5.50% 5.50% 5.50%            
Interest rate 9.32% 9.32% 9.32% 9.52% 9.52% 9.52%            
Principal Amount or Par Value $ 9,564     $ 9,625                
Cost 9,500     9,543                
Fair Value $ 9,457     $ 9,625                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | Zone Climate Services, Inc. 2                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 5.50% 5.50% 5.50% 5.50% 5.50% 5.50%            
Interest rate 9.32% 9.32% 9.32% 9.52% 9.52% 9.52%            
Principal Amount or Par Value $ 2,103     $ 2,116                
Cost 2,088     2,098                
Fair Value $ 2,079     $ 2,116                
SLP IV | Investment, Identifier [Axis]: Funded Investments - First lien | athenahealth Group Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Spread 3.25% 3.25% 3.25% 2.75% 2.75% 2.75%            
Interest rate 6.89% 6.89% 6.89% 6.47% 6.47% 6.47%            
Principal Amount or Par Value $ 5,247     $ 4,722                
Cost 5,230     4,717                
Fair Value 5,199     4,737                
SLP IV | Investment, Identifier [Axis]: Largest Portfolio Company Investment                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 18,327     18,217                
SLP IV | Investment, Identifier [Axis]: Top Five Largest Portfolio Company Investments                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 67,186     64,111                
SLP IV | Investment, Identifier [Axis]: Unfunded Investments - First lien | Citrin Cooperman Advisors LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 1,364     1,364                
Cost (14)     (14)                
Fair Value (48)     6                
SLP IV | Investment, Identifier [Axis]: Unfunded Investments - First lien | Cohnreznick Advisory LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 336     791                
Cost (1)     (3)                
Fair Value (7)     5                
SLP IV | Investment, Identifier [Axis]: Unfunded Investments - First lien | HIG Operations Holdings, Inc.                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value       1,236                
Cost       0                
Fair Value       0                
SLP IV | Investment, Identifier [Axis]: Unfunded Investments - First lien | Secretariat Advisors LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 764     742                
Cost 0     0                
Fair Value (13)     3                
SLP IV | Investment, Identifier [Axis]: Unfunded Investments - First lien | US Fertility Enterprises, LLC                        
Investment Company, Nonconsolidated Subsidiary [Line Items]                        
Principal Amount or Par Value 244     663                
Cost (1)     0                
Fair Value $ 1     $ 3                
[1] New Mountain Finance Corporation (the "Company") generally acquires its investments in private transactions exempt from registration under the Securities Act of 1933, as amended (the "Securities Act"). These investments are generally subject to certain limitations on resale, and may be deemed to be "restricted securities" under the Securities Act.
[2] New Mountain Finance Corporation (the "Company") generally acquires its investments in private transactions exempt from registration under the Securities Act of 1933, as amended (the "Securities Act"). These investments are generally subject to certain limitations on resale, and may be deemed to be "restricted securities" under the Securities Act.
[3] The fair value of the Company's investment is determined using unobservable inputs that are significant to the overall fair value measurement. See Note 4. Fair Value, for details
[4] Investment is held by New Mountain Finance Corporation.
[5] The Company holds ordinary shares in AAC Lender Holdings, LLC and two first lien term loans, a first lien revolver and subordinated notes in American Achievement Corporation, a partially-owned subsidiary of AAC Lender Holdings, LLC.
[6] The Company holds ordinary shares in AAC Lender Holdings, LLC and two first lien term loans, a first lien revolver and subordinated notes in American Achievement Corporation, a partially-owned subsidiary of AAC Lender Holdings, LLC.
[7] The fair value of the Company's investment is determined using unobservable inputs that are significant to the overall fair value measurement. See Note 4. Fair Value, for details.
[8] Investment is held by New Mountain Finance Corporation
[9] Par amount is denominated in United States Dollar unless otherwise noted, which may include British Pound ("£") and/or Euro ("€")
[10] Par value amounts represent the drawn or undrawn (as indicated in type of investment) portion of revolvers or delayed draws. Cost amounts represent the cash received at settlement date net of the impact of paydowns and cash paid for drawn revolvers or delayed draws
[11] Par amount is denominated in United States Dollar unless otherwise noted, which may include British Pound ("£") and/or Euro ("€").
[12] 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.
[13] Investment is held by New Mountain Finance SBIC, L.P.
[14] Investment is pledged as collateral for the Holdings Credit Facility, a revolving credit facility among the Company, as the Collateral Manager, New Mountain Finance Holdings, L.L.C. as the Borrower, Wells Fargo Securities, LLC, as the Administrative Agent, and Wells Fargo Bank, National Association, as the Lender and Collateral Custodian.. See Note 7. Borrowings, for details.
[15] Investment is held by New Mountain Finance Holdings, L.L.C.
[16] Total Coupon is payable in cash unless otherwise indicated. A majority of the variable rate debt investments bear interest and dividends at a rate that may be determined by reference to the Secured Overnight Financing Rate (SOFR), the Prime Rate (P), the Sterling Overnight Interbank Average Rate (SONIA) and Euro Interbank Offered Rate (EURIBOR) and which resets daily (D), monthly (M), quarterly (Q), semi-annually (S) or annually (A). For each investment the current coupon rate provided reflects the rate in effect as of June 30, 2026.
[17] Total Coupon is payable in cash unless otherwise indicated. A majority of the variable rate debt investments bear interest and dividends at a rate that may be determined by reference to the Secured Overnight Financing Rate (SOFR), the Prime Rate (P), the Sterling Overnight Interbank Average Rate (SONIA) and Euro Interbank Offered Rate (EURIBOR) and which resets daily (D), monthly (M), quarterly (Q), semi-annually (S) or annually (A). For each investment the current coupon rate provided reflects the rate in effect as of December 31, 2025.
[18] Investment is pledged as collateral for the NMFC Credit Facility, a revolving credit facility among the Company as the Borrower, Sumitomo Mitsui Banking Corporation, as administrative agent, sole lead arranger, and sole book runner, and the lenders party thereto. See Note 7. Borrowings, for details
[19] Investment is pledged as collateral for the Holdings Credit Facility, a revolving credit facility among the Company, as the Collateral Manager, New Mountain Finance Holdings, L.L.C. as the Borrower, Wells Fargo Securities, LLC, as the Administrative Agent, and Wells Fargo Bank, National Association, as the Lender and Collateral Custodian. See Note 7. Borrowings, for details
[20] Investment is held by New Mountain Finance Holdings, L.L.C.
[21] Investment is held by New Mountain Finance SBIC, L.P.
[22] Investment is pledged as collateral for the NMFC Credit Facility, a revolving credit facility among the Company as the Borrower, Sumitomo Mitsui Banking Corporation, as administrative agent, sole lead arranger, and sole book runner, and the lenders party thereto. See Note 7. Borrowings, for details
[23] All or a portion of interest contains PIK interest. See Note 2. Summary of Significant Accounting Policies-Revenue Recognition, for details.
[24] All or a portion of interest contains PIK interest.
[25] The Company holds investments in ACI Parent Inc. and a wholly-owned subsidiary of ACI Parent Inc. The Company holds a first lien term loan, two first lien delayed draws and a first lien revolver in ACI Group Holdings, Inc. and preferred equity in ACI Parent Inc. . The Company's preferred equity investment is entitled to receive cumulative preferred dividends that are calculated using the stated value of the Company's equity investment plus the aggregate unpaid compounded dividends as of the date of determination. As of December 31, 2025, the Company's stated value of its equity investment, plus unpaid compounded dividends, was $20,249.
[26] Investment is on non-accrual status as of December 31, 2025. See Note 3. Investments, for details.
[27] Investment is on non-accrual status as of June 30, 2026. See Note 3. Investments, for details.
[28] Indicates assets that the Company deems to be “non-qualifying assets” under Section 55(a) of the 1940 Act. Qualifying assets must represent at least 70.0% of the Company’s total assets at the time of acquisition of any additional non-qualifying assets. As of June 30, 2026, 19.7% of the Company’s total assets are represented by investments at fair value that are considered non-qualifying assets.
[29] Indicates assets that the Company deems to be “non-qualifying assets” under Section 55(a) of the 1940 Act. Qualifying assets must represent at least 70.0% of the Company’s total assets at the time of acquisition of any additional non-qualifying assets. As of December 31, 2025, 15.4% of the Company’s total assets are represented by investments at fair value that are considered non-qualifying assets.
[30] Investment is held by New Mountain Finance SBIC II, L.P.
[31] Investment is held by New Mountain Finance SBIC II, L.P.
[32] The Company's preferred equity investment in Dealer Tire Holdings, LLC is entitled to receive cumulative preferred dividends that are calculated using the stated value of the Company's equity investment plus the aggregate unpaid compounded dividends as of the date of determination. As of June 30, 2026, the Company's stated value of its share, plus unpaid compounded dividends, was $27,116.
[33] The Company's preferred equity investment in Dealer Tire Holdings, LLC is entitled to receive cumulative preferred dividends that are calculated using the stated value of the Company's equity investment plus the aggregate unpaid compounded dividends as of the date of determination. As of December 31, 2025, the Company's stated value of its share, plus unpaid compounded dividends, was $90,671.
[34] The Company holds investments in two wholly-owned subsidiaries of Diamond Parent Holdings Corp. The Company holds two first lien term loans, a first lien delayed draw and a first lien revolver in Diligent Corporation and preferred equity in Diligent Preferred Issuer Inc. The Company's preferred equity investment is entitled to receive cumulative preferred dividends that are calculated using the stated value of the Company's equity investment plus the aggregate unpaid compounded dividends as of the date of determination. As of December 31, 2025, the Company's stated value of its equity investment, plus unpaid compounded dividends, was $15,827.
[35] Denotes investments in which the Company is an “Affiliated Person”, as defined in the Investment Company Act of 1940, as amended (the "1940 Act"), due to owning or holding the power to vote 5.0% or more of the outstanding voting securities of the investment but not controlling the company. Fair value as of June 30, 2026 and December 31, 2025, along with transactions during the six months ended June 30, 2026 in which the issuer was a non-controlled/affiliated investment, is as follows:
Portfolio CompanyFair Value at December 31, 2025Gross Additions (A)Gross Redemptions (B)Net Change In Unrealized Appreciation (Depreciation)Fair Value at June 30, 2026Net Realized Gains (Losses)Interest IncomeDividend IncomeOther Income
Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.) / Eagle Infrastructure Super HoldCo, LLC$18,337 $— $— $6,141 $24,478 $— $625 $735 $— 
Sierra Hamilton Holdings Corporation2,000 — — — 2,000 — — — — 
TVG-Edmentum Holdings, LLC / Edmentum Ultimate Holdings, LLC40,365 3,119 — (9)43,475 — 2,454 666 125 
Total Non-Controlled/Affiliated Investments$60,702 $3,119 $— $6,132 $69,953 $— $3,079 $1,401 $125 
(A)Gross additions include increases in the cost basis of investments resulting from new portfolio investments, payment-in-kind (“PIK”) interest or dividends, the amortization of discounts, reorganizations or restructurings and the movement of an existing portfolio company into this category from a different category.
(B)Gross redemptions include decreases in the cost basis of investments resulting from principal collections related to investment repayments or sales, reorganizations or restructurings and the movement of an existing portfolio company out of this category into a different category.
[36] Denotes investments in which the Company is an “Affiliated Person”, as defined in the Investment Company Act of 1940, as amended (the "1940 Act"), due to owning or holding the power to vote 5.0% or more of the outstanding voting securities of the investment but not controlling the company. Fair value as of December 31, 2025 and December 31, 2024 along with transactions during the year ended December 31, 2025 in which the issuer was a non-controlled/affiliated investment is as follows:
Portfolio CompanyFair Value at December 31, 2024Gross
Additions (A)		Gross
Redemptions
(B)		Net Change In Unrealized Appreciation (Depreciation)Fair Value at December 31, 2025Net Realized Gains (Losses)Interest
Income		Dividend
Income		Other
Income
Eagle Infrastructure Services, LLC (fka FR Arsenal Holdings II Corp.) / Eagle Infrastructure Super HoldCo, LLC$19,156 $— $— $(819)$18,337 $— $1,321 $— $— 
Sierra Hamilton Holdings Corporation2,000 — — — 2,000 — — — — 
TVG-Edmentum Holdings, LLC / Edmentum Ultimate Holdings, LLC91,620 6,967 — (58,222)40,365 — 4,357 2,594 250 
Total Non-Controlled/Affiliated Investments$112,776 $6,967 $— $(59,041)$60,702 $— $5,678 $2,594 $250 
(A)Gross additions include increases in the cost basis of investments resulting from new portfolio investments, payment-in-kind (“PIK”) interest or dividends, the amortization of discounts, reorganizations or restructurings and the movement of an existing portfolio company into this category from a different category.
(B)Gross redemptions include decreases in the cost basis of investments resulting from principal collections related to investment repayments or sales, reorganizations or restructurings and the movement of an existing portfolio company out of this category into a different category.
[37] The Company holds preferred equity in Eclipse Topco, Inc. and a first lien term loan, a first lien revolver and a first lien delayed draw in Eclipse Buyer, Inc., a wholly-owned subsidiary of Eclipse Topco, Inc. The Company's preferred equity investment is entitled to receive cumulative preferred dividends that are calculated using the stated value of the Company's equity investment plus the aggregate unpaid compounded dividends as of the date of determination. As of June 30, 2026, the Company's stated value of its equity investment, plus unpaid compounded dividends, was $1,632.
[38] The Company holds preferred equity in Eclipse Topco, Inc. and a first lien term loan, a first lien revolver and a first lien delayed draw in Eclipse Buyer, Inc., a wholly-owned subsidiary of Eclipse Topco, Inc. The Company's preferred equity investment is entitled to receive cumulative preferred dividends that are calculated using the stated value of the Company's equity investment plus the aggregate unpaid compounded dividends as of the date of determination. As of December 31, 2025, the Company's stated value of its equity investment, plus unpaid compounded dividends, was $2,226.
[39] The Company holds preferred shares and Class B-1 and Class B-2 of common equity in TVG-Edmentum Holdings, LLC and subordinated notes in Edmentum Ultimate Holdings, LLC, a wholly-owned subsidiary of TVG-Edmentum Holdings, LLC. As of June 30, 2026, the Company's stated value of the Company's Class B-1 and Class B-2 common equity investments, plus unpaid compounded dividends, was $48,080 and $29,707, respectively.
[40] The Company holds ordinary shares and Class B-1 and B-2 of preferred equity in TVG-Edmentum Holdings, LLC, and subordinated notes in Edmentum Ultimate Holdings, LLC, a wholly-owned subsidiary of TVG-Edmentum Holdings, LLC. As of December 31, 2025, the Company's stated value of the Company's Class B-1 and Class B-2 preferred equity investments, plus unpaid compounded dividends, was $48,080 and $29,707, respectively.
[41] The Company holds ordinary shares in FS WhiteWater Holdings, LLC, and a first lien term loan, a first lien revolver, and five first lien delayed draws in FS WhiteWater Borrower, LLC, a partially-owned subsidiary of FS WhiteWater Holdings, LLC.
[42] The Company holds ordinary shares in FS WhiteWater Holdings, LLC, and a first lien term loan, a first lien revolver, and five first lien delayed draws in FS WhiteWater Borrower, LLC, a partially-owned subsidiary of FS WhiteWater Holdings, LLC.
[43] The Company holds an LP Interest in Firebird Co-Invest L.P. and a first lien term loan, a first lien delayed and a first lien revolver in Firebird Acquisition Corp, Inc., a wholly-owned subsidiary of Firebird Co-Invest L.P.
[44] The Company holds an LP Interest in Firebird Co-Invest L.P. and holds a first lien term loan, a first lien delayed and a first lien revolver in Firebird Acquisition Corp, Inc., a wholly-owned subsidiary of Firebird Co-Invest L.P.
[45] The Company's common equity investment in HBWM Holdings, LLC. is entitled to receive cumulative return that are calculated using the unreturned original investment plus any unpaid capitalized dividends. As of June 30, 2026, the Company's unreturned original investment, plus any unpaid compounded dividends, was $4,810.
[46] Investment is held by NMF HB, Inc.
[47] The Company's common equity investment in HBWM Holdings, LLC. is entitled to receive cumulative return that are calculated using the unreturned original investment plus any unpaid capitalized dividends. As of December 31, 2025, the Company's unreturned original investment, plus any unpaid compounded dividends, was $4,776.
[48] Investment is held by NMF HB, Inc.
[49] The Company holds Class A-1 common units in Jawbreaker Topco, L.P., and two first lien term loans, a first lien delayed draw term loan and a first lien revolver in Jawbreaker Parent, Inc, a wholly-owned subsidiary of Jawbreaker Topco, L.P.
[50] The Company's preferred equity investment in Knockout Intermediate Holdings I, Inc. is entitled to receive cumulative preferred dividends that are calculated using the stated value of the Company's equity investment plus the aggregate unpaid compounded dividends as of the date of determination. As of June 30, 2026, the Company's stated value of its share, plus unpaid compounded dividends, was $14,279.
[51] The Company's preferred equity investment in Knockout Intermediate Holdings I, Inc. is entitled to receive cumulative preferred dividends that are calculated using the stated value of the Company's equity investment plus the aggregate unpaid compounded dividends as of the date of determination. As of December 31, 2025, the Company's stated value of its share, plus unpaid compounded dividends, was $13,323.
[52] The Company holds ordinary shares and warrants in NHME Holdings Corp., as well as a second lien Tranche A Term Loan in National HME, Inc., a wholly-owned subsidiary of NHME Holdings Corp. The second lien Tranche A Term Loan is entitled to receive 20% of the interest earned on the first lien Tranche A Term Loan, which accrues interest at a rate of SOFR + 5.00%, and 20% of the interest earned on the first lien Tranche B Term Loan, which accrues interest at a rate of SOFR + 6.00%.
[53] Denotes investments in which the Company “Controls”, as defined in the 1940 Act, due to owning or holding the power to vote more than 25.0% of the outstanding voting securities of the investment. Fair value as of December 31, 2025 and December 31, 2024 along with transactions during the year ended December 31, 2025 in which the issuer was a controlled investment, is as follows:
Portfolio CompanyFair Value at December 31, 2024Gross
Additions
(A)		Gross
Redemptions
(B)		Net Change In
Unrealized
Appreciation
(Depreciation)		Fair Value at December 31, 2025Net Realized Gains (Losses)Interest
Income		Dividend
Income		Other
Income
National HME, Inc./NHME Holdings Corp.$3,000 $— $— $(3,000)$— $— $— $— $— 
New Benevis Topco, LLC / New Benevis Holdco, Inc.140,102 21,456 — (7,094)154,464 — 14,309 — 1,383 
New Permian Holdco, Inc. / New Permian Holdco, L.L.C.63,076 7,657 — (6,900)63,833 — 5,759 — 500 
NM NL Holdings, L.P.104,512 — — 1,584 106,096 — — 8,740 — 
NM GP Holdco, LLC322 — — 68 390 — — 44 — 
NM YI LLC9,960 — — (1,319)8,641 — — 886 — 
NMFC Senior Loan Program III LLC160,000 — — — 160,000 — — 22,600 — 
NMFC Senior Loan Program IV LLC112,400 — — — 112,400 — — 15,315 — 
UniTek Global Services, Inc.107,524 72,385 (60,582)(46,146)73,181 38,898 516 10,851 1,070 
Total Controlled Investments$700,896 $101,498 $(60,582)$(62,807)$679,005 $38,898 $20,584 $58,436 $2,953 

(A)Gross additions include increases in the cost basis of investments resulting from new portfolio investments, PIK interest or dividends, the amortization of discounts, reorganizations or restructurings and the movement of an existing portfolio company into this category from a different category.
(B)Gross redemptions include decreases in the cost basis of investments resulting from principal collections related to investment repayments or sales, reorganizations or restructurings and the movement of an existing portfolio company out of this category into a different category.
[54] Investment is held by New Mountain Net Lease Corporation.
[55] Denotes investments in which the Company "controls", as defined in the 1940 Act, due to owning or holding the power to vote more than 25.0% of the outstanding voting securities of the investment. Fair value as of June 30, 2026 and December 31, 2025, along with transactions during the six months ended June 30, 2026 in which the issuer was a controlled investment, is as follows:
Portfolio CompanyFair Value at December 31, 2025Gross Additions (A)Gross Redemptions (B)Net Change In Unrealized Appreciation (Depreciation)Fair Value at June 30, 2026Net Realized Gains (Losses)Interest IncomeDividend IncomeOther Income
National HME, Inc./NHME Holdings Corp.$— $— $(12,872)$12,872 $— $(12,872)$— $— $— 
New Benevis Topco, LLC / New Benevis Holdco, Inc.154,464 7,255 (76,831)5,199 90,087 (5,717)5,147 — — 
New Permian Holdco, Inc. / New Permian Holdco, L.L.C.63,833 2,982 — (1,000)65,815 — 2,983 — 250 
NM NL Holdings, L.P.106,096 5,926 (3,729)4,010 112,303 (2)— 4,400 99 
NM GP Holdco, LLC390 75 (19)(28)418 — — 22 — 
NM YI LLC8,641 — — 46 8,687 — — 466 — 
NMFC Senior Loan Program III LLC160,000 — — (2,128)157,872 — — 10,560 — 
NMFC Senior Loan Program IV LLC112,400 — — (6,868)105,532 — — 7,166 — 
UniTek Global Services, Inc.73,181 6,609 — 9,739 89,529 — — 6,610 500 
Total Controlled Investments$679,005 $22,847 $(93,451)$21,842 $630,243 $(18,591)$8,130 $29,224 $849 
(A)Gross additions include increases in the cost basis of investments resulting from new portfolio investments, PIK interest or dividends, the amortization of discounts, reorganizations or restructurings and the movement of an existing portfolio company into this category from a different category.
(B)Gross redemptions include decreases in the cost basis of investments resulting from principal collections related to investment repayments or sales, reorganizations or restructurings and the movement of an existing portfolio company out of this category into a different category.
[56] Investment is held by New Mountain Net Lease Corporation.
[57] Investment is denominated in foreign currency and is translated into U.S. dollars as of the valuation date. As of December 31, 2025, the par value U.S. dollar equivalent of the Viper Bidco, Inc. first lien term loans is $16,051 and the Nelipak Holding Company first lien term loan, undrawn delayed draw term loan, undrawn revolver and drawn revolver is $19,212, $7,529, $1,282 and $123, respectively. See Note 2. Summary of Significant Accounting Policies, for details.
[58] Investment is denominated in foreign currency and is translated into U.S. dollars as of the valuation date. As of June 30, 2026, the par value U.S. dollar equivalent of the Viper Bidco, Inc. first lien term loans is $15,718 and the Nelipak Holding Company first lien term loan, undrawn delayed draw term loan and undrawn revolver is $18,589, $7,322 and $1,366, respectively. See Note 2. Summary of Significant Accounting Policies, for details.
[59] The Company holds common units in Notorious Buyer, LLC, and a first lien term loan, a subordinated loan, and a first lien revolver in Notorious Topco, LLC and Notorious Holdings, LLC, two wholly-owned subsidiaries of Notorious Buyer, LLC.
[60] The Company holds common units in Notorious Buyer, LLC, and a first lien term loan, a subordinated loan, and a first lien revolver in Notorious Topco, LLC and Notorious Holdings, LLC, two wholly-owned subsidiaries of Notorious Buyer, LLC.
[61] The Company holds one claim related to a collateralized agreement to resell on its Consolidated Statement of Assets and Liabilities with a cost basis of $30,000 and a fair value of $5,700 as of June 30, 2026. See Note 2. Summary of Significant Accounting Policies, for details.
[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 $13,500 as of December 31, 2025. See Note 2. Summary of Significant Accounting Policies, for details.
[63] Investment is held by NMF Permian Holdings, LLC.
[64] Investment is held by NMF Permian Holdings, LLC.
[65] Investment is held by NMF Pioneer, Inc.
[66] Investment is held by NMF Pioneer, Inc.
[67] The Company holds Class A-1 Common Units in Ambrosia Topco LLC and two first lien term loans, two subordinated loans and a first lien delayed draw in TMK Hawk Parent, Corp., a wholly-owned subsidiary of Ambrosia Topco LLC
[68] The Company holds Class A-1 Common Units in Ambrosia Topco LLC and two first lien term loans, a subordinated loan and a first lien delayed draw in TMK Hawk Parent, Corp., a wholly-owned subsidiary of Ambrosia Topco LLC.