v3.26.1
Transactions with Affiliate Companies - Schedule of Fair Value Roll Forward (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [1],[2] $ 5,819,755    
PIK interest capitalized (cost) 4,568 $ 3,145  
Net realized gain (loss) (11,734) 118  
Net change in unrealized gain (loss) (18,108) (3,044)  
Fair value at the ending 5,804,557 [3],[4]   $ 5,819,755 [1],[2]
Non-controlled affiliate company investments      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 308,170 [1],[2],[5] 145,755 145,755
Transfers in (out) 25,284 0  
Purchases (cost) 3,379 21,219  
Sales and paydowns (cost) (1,918) (1,217)  
PIK interest capitalized (cost) 1,171 517  
Discount accretion 108 81  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) (10,337) (223)  
Fair value at the ending 325,857 [3],[4],[6] 166,132 308,170 [1],[2],[5]
Non-controlled affiliate company investments | Baystate Sewage Disposal, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 13,441    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) (11)    
PIK interest capitalized (cost) 0    
Discount accretion 5    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) (179)    
Fair value at the ending 13,256   13,441
Non-controlled affiliate company investments | Born To Run, LLC.      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 1,873 2,308 2,308
Transfers in (out) 0 0  
Purchases (cost) 190 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) (182) 158  
Fair value at the ending 1,881 2,466 1,873
Non-controlled affiliate company investments | ClearlyRated Capital (Class A Units)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 9,053 5,500 5,500
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) (4) 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 2 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) (345) 0  
Fair value at the ending 8,706 5,500 9,053
Non-controlled affiliate company investments | Engineered Metal Solutions, Inc.      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 14,483    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) (17)    
PIK interest capitalized (cost) 0    
Discount accretion 8    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 364    
Fair value at the ending 14,838   14,483
Non-controlled affiliate company investments | FLEET Response, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 0    
Transfers in (out) 25,284    
Purchases (cost) 1,770    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) (11,499)    
Fair value at the ending 15,555   0
Non-controlled affiliate company investments | Jumpstart Holdco, Inc.      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 5,179    
Transfers in (out) 0    
Purchases (cost) 705    
Sales and paydowns (cost) (14)    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) (138)    
Fair value at the ending 5,732   5,179
Non-controlled affiliate company investments | MC Aviation Limited      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 23,603    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 1,048    
Fair value at the ending 24,651   23,603
Non-controlled affiliate company investments | MC Voyager SPV II LLC (Equity Commitment)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 20,522 0 0
Transfers in (out) 0 0  
Purchases (cost) 275 7,490  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 0 (150)  
Fair value at the ending 20,797 7,340 20,522
Non-controlled affiliate company investments | Nastel Technologies, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 9,000 8,089 8,089
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 4 4  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 140 34  
Fair value at the ending 9,144 8,127 9,000
Non-controlled affiliate company investments | NFS Intermediate Holdco, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 60,650    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 1,253    
Fair value at the ending 61,903   60,650
Non-controlled affiliate company investments | S F R Holdco, L L C      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 19,383 18,618 18,618
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 42 449  
Fair value at the ending 19,425 19,067 19,383
Non-controlled affiliate company investments | S F R Holdco 2, L L C      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 8,401 3,777 3,777
Transfers in (out) 0 0  
Purchases (cost) 0 2,375  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 39 80  
Fair value at the ending 8,440 6,232 8,401
Non-controlled affiliate company investments | SheerTrans Solutions, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 20,141 19,751 19,751
Transfers in (out) 0 0  
Purchases (cost) 439 0  
Sales and paydowns (cost) (1,205) (16)  
PIK interest capitalized (cost) 223 79  
Discount accretion 10 9  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) (87) 236  
Fair value at the ending 19,521 20,059 20,141
Non-controlled affiliate company investments | Summit Professional Education, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 32,092 28,065 28,065
Transfers in (out) 0 0  
Purchases (cost) 0 2,105  
Sales and paydowns (cost) (35) (1,171)  
PIK interest capitalized (cost) 0 0  
Discount accretion 19 12  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 102 94  
Fair value at the ending 32,178 29,105 32,092
Non-controlled affiliate company investments | Triad Financial Services, Inc.      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 6,902 4,803 4,803
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 0 0  
Fair value at the ending 6,902 4,803 6,902
Non-controlled affiliate company investments | Whistler Parent Holdings III, Inc.      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 22,256 26,291 26,291
Transfers in (out) 0 0  
Purchases (cost) 0 414  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 948 438  
Discount accretion 28 27  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) (1,640) (1,618)  
Fair value at the ending 21,592 25,552 22,256
Non-controlled affiliate company investments | YBR OZ ECE, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 9,770 0 0
Transfers in (out) 0 0  
Purchases (cost) 0 8,835  
Sales and paydowns (cost) (7) 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 2 2  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) (3) (2)  
Fair value at the ending 9,762 8,835 9,770
Non-controlled affiliate company investments | Zodega Landscaping, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 31,421 28,553 28,553
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) (625) (30)  
PIK interest capitalized (cost) 0 0  
Discount accretion 30 27  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 748 496  
Fair value at the ending 31,574 29,046 31,421
Investment, Identifier [Axis]: 3C Buyer LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 2,653    
Fair value at the ending [2]     2,653
Investment, Identifier [Axis]: 3C Buyer LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 1,596    
Fair value at the ending [2],[7]     1,596
Investment, Identifier [Axis]: 3C Buyer LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 812    
Fair value at the ending [2],[7]     812
Investment, Identifier [Axis]: 3C Buyer LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 2,922    
Fair value at the ending [2],[7]     2,922
Investment, Identifier [Axis]: 3C Buyer LLC 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[8],[9] 1,618    
Fair value at the ending [2],[7],[8],[9]     1,618
Investment, Identifier [Axis]: 601 Lafayette Mezz LLC (Delayed Draw) | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11],[12] 2,571    
Fair value at the ending 6,710 [4],[13],[14],[15]   2,571 [2],[10],[11],[12]
Investment, Identifier [Axis]: 601 Lafayette Mezz LLC | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12] 20,813    
Fair value at the ending 20,705 [4],[15]   20,813 [2],[12]
Investment, Identifier [Axis]: 95 Percent Buyer, LLC (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [16] 806    
Fair value at the ending $ 989 [4],[17]   $ 806 [16]
Number of shares held 385,027 [17]   385,027 [16]
Investment, Identifier [Axis]: 95 Percent Buyer, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] $ 0    
Fair value at the ending 323 [4],[13]   $ 0 [2],[10]
Investment, Identifier [Axis]: 95 Percent Buyer, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[9],[18] 15,581    
Fair value at the ending 15,581 [4],[19],[20],[21]   15,581 [2],[7],[9],[18]
Investment, Identifier [Axis]: A360, Inc. (Common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 900    
Fair value at the ending $ 913 [4]   $ 900 [2]
Number of shares held 838   838
Investment, Identifier [Axis]: A360, Inc. (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] $ 444    
Fair value at the ending 444 [4],[13],[14]   $ 444 [2],[10],[11]
Investment, Identifier [Axis]: A360, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 103    
Fair value at the ending 103 [4],[13]   103 [2],[10]
Investment, Identifier [Axis]: A360, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[22] 10,421    
Fair value at the ending 10,395 [4],[23]   10,421 [2],[22]
Investment, Identifier [Axis]: AMS Parent, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[24] 14,682    
Fair value at the ending 14,528 [4],[19],[25]   14,682 [2],[7],[24]
Investment, Identifier [Axis]: API Holdings III Corp. | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,723    
Fair value at the ending 0 [4]   1,723 [2]
Investment, Identifier [Axis]: API Holdings III Corp. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 170    
Fair value at the ending [2]     170
Investment, Identifier [Axis]: ASG II, LLC 1 | Unitranche Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 14,981    
Fair value at the ending 14,925 [4],[27]   14,981 [2],[26]
Investment, Identifier [Axis]: ASG II, LLC 2 | Unitranche Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 2,247    
Fair value at the ending 2,239 [4],[27]   2,247 [2]
Investment, Identifier [Axis]: ASG III, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 6,134    
Fair value at the ending 6,134 [4],[13],[14]   6,134 [2],[10],[11]
Investment, Identifier [Axis]: ASG III, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: ASG III, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[28] 7,484    
Fair value at the ending 7,484 [4],[20],[29]   7,484 [2],[9],[28]
Investment, Identifier [Axis]: ASG III, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[24],[28] 3,151    
Fair value at the ending 3,151 [4],[25],[29]   3,151 [2],[24],[28]
Investment, Identifier [Axis]: Accelevation LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 3,371    
Fair value at the ending 3,363 [4],[13],[14]   3,371 [2],[10],[11]
Investment, Identifier [Axis]: Accelevation LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 666    
Fair value at the ending 1,332 [4],[13]   666 [2],[10]
Investment, Identifier [Axis]: Accelevation LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[22] 13,965    
Fair value at the ending 5,727 [4],[19]   13,965 [2],[22]
Investment, Identifier [Axis]: Accelevation LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 984    
Fair value at the ending 13,895 [4],[23]   984 [2],[7]
Investment, Identifier [Axis]: Accelevation LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[19] 982    
Investment, Identifier [Axis]: Accelya US Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[30] 8,374    
Fair value at the ending 7,719 [4],[15],[31]   8,374 [2],[12],[30]
Investment, Identifier [Axis]: Acquia Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 588    
Fair value at the ending 588 [4]   588 [2]
Investment, Identifier [Axis]: Acquia Inc. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] 15,430    
Fair value at the ending 15,429 [4],[21]   15,430 [2],[18]
Investment, Identifier [Axis]: Acquia Inc. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[8] 3,092    
Fair value at the ending 3,092 [4],[32]   3,092 [2],[8]
Investment, Identifier [Axis]: Adept AG Holdings, LLC (Class A preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 0    
Fair value at the ending $ 0 [4],[17]   $ 0 [2],[16]
Number of shares held 314,584 [17]   314,584 [16]
Investment, Identifier [Axis]: Adept AG Holdings, LLC (Series B units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] $ 0    
Fair value at the ending $ 0 [4],[17]   $ 0 [2],[16]
Number of shares held 45,874 [17]   45,874 [16]
Investment, Identifier [Axis]: Adept AG Holdings, LLC (Series C preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] $ 0    
Fair value at the ending $ 0 [4],[17]   $ 0 [2],[16]
Number of shares held 67,283 [17]   67,283 [16]
Investment, Identifier [Axis]: Adept AG Holdings, LLC (Series L units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] $ 0    
Fair value at the ending $ 0 [4],[17]   $ 0 [2],[16]
Number of shares held 325 [17]   325 [16]
Investment, Identifier [Axis]: Adept AG Holdings, LLC 1 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[33],[34] $ 1,644    
Fair value at the ending 1,608 [4],[15],[35],[36]   $ 1,644 [2],[12],[33],[34]
Investment, Identifier [Axis]: Adept AG Holdings, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[33],[34] 5,644    
Fair value at the ending 5,633 [4],[15],[35],[36]   5,644 [2],[12],[33],[34]
Investment, Identifier [Axis]: Adept AG Holdings, LLC 2 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[33],[34] 0    
Fair value at the ending 0 [4],[15],[35],[36]   0 [2],[12],[33],[34]
Investment, Identifier [Axis]: Adept AG Holdings, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 4,533    
Fair value at the ending 4,588 [4],[36]   4,533 [2],[34]
Investment, Identifier [Axis]: Adept AG Holdings, LLC 3 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[33],[34] 0    
Fair value at the ending 0 [4],[15],[35],[36]   0 [2],[12],[33],[34]
Investment, Identifier [Axis]: Adept AG Holdings, LLC 4 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 1,317    
Fair value at the ending 1,306 [4],[36]   1,317 [2],[34]
Investment, Identifier [Axis]: Adept AG Holdings, LLC 5 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 0    
Fair value at the ending 0 [4],[36]   0 [2],[34]
Investment, Identifier [Axis]: Adept AG Holdings, LLC 6 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 0    
Fair value at the ending 0 [4],[36]   0 [2],[34]
Investment, Identifier [Axis]: Air Transport Components Acquisition, LLC (Class A common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 727    
Fair value at the ending $ 637 [4]   $ 727 [2]
Number of shares held 608,696   608,696
Investment, Identifier [Axis]: Air Transport Components Acquisition, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] $ 1,400    
Fair value at the ending 1,400 [4],[13],[14]   $ 1,400 [2],[10],[11]
Investment, Identifier [Axis]: Air Transport Components Acquisition, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Air Transport Components Acquisition, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 7,000    
Fair value at the ending 6,983 [4],[19]   7,000 [2],[7]
Investment, Identifier [Axis]: Aligned Exteriors Group Holdco, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Aligned Exteriors Group Holdco, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 828 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Aligned Exteriors Group Holdco, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[22] 13,721    
Fair value at the ending 13,735 [4],[23]   13,721 [2],[22]
Investment, Identifier [Axis]: Alpine Pet OpCo, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Alpine Pet OpCo, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Alpine Pet OpCo, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 21,725    
Fair value at the ending 22,011 [4],[19]   21,725 [2],[7]
Investment, Identifier [Axis]: Alta Pest Control, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 238    
Fair value at the ending 440 [4],[13],[14]   238 [2],[10],[11]
Investment, Identifier [Axis]: Alta Pest Control, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Alta Pest Control, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 3,940    
Fair value at the ending 4,000 [4],[25]   3,940 [2]
Investment, Identifier [Axis]: Ambient Enterprises Holdco, LLC (Delayed Draw) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Ambient Enterprises Holdco, LLC (Delayed Draw) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 819    
Fair value at the ending 3,051 [4],[13],[14]   819 [2],[10],[11]
Investment, Identifier [Axis]: Ambient Enterprises Holdco, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Ambient Enterprises Holdco, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[24] 5,770    
Fair value at the ending 20,605 [4],[25],[29]   5,770 [2],[24]
Investment, Identifier [Axis]: Ambient Enterprises Holdco, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 4,093    
Fair value at the ending 5,727 [4],[25]   4,093 [2]
Investment, Identifier [Axis]: Ambient Enterprises Holdco, LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 2,547    
Fair value at the ending 4,063 [4],[25]   2,547 [2],[7]
Investment, Identifier [Axis]: Ambient Enterprises Holdco, LLC 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 2,612    
Fair value at the ending 2,523 [4],[19]   2,612 [2],[7]
Investment, Identifier [Axis]: Ambient Enterprises Holdco, LLC 5 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[19] 2,587    
Investment, Identifier [Axis]: Ambient Enterprises Holdco, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[24],[28] 20,757    
Fair value at the ending [2],[24],[28]     20,757
Investment, Identifier [Axis]: American Auto Auction Group, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 9,824    
Fair value at the ending 4,939 [4]   9,824 [2]
Investment, Identifier [Axis]: American Broadband and Telecommunications Company LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[37] 265    
Fair value at the ending 109 [4],[13],[36],[38]   265 [2],[10],[37]
Investment, Identifier [Axis]: American Broadband and Telecommunications Company LLC (Warrant to purchase the equity) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 0    
Fair value at the ending 0 [4]   0
Investment, Identifier [Axis]: American Broadband and Telecommunications Company LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26],[37] 2,779    
Fair value at the ending 1,146 [4],[27],[36],[38]   2,779 [2],[26],[37]
Investment, Identifier [Axis]: Angel Lux Bidco S.A.R.L. (Delayed Draw) | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13],[14],[39],[40] 0    
Investment, Identifier [Axis]: Angel Lux Bidco S.A.R.L. | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[20],[27],[29],[39],[40] 24,750    
Investment, Identifier [Axis]: Animal Dermatology Group, Inc. (Delayed Draw) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending [2],[10],[11]     0
Investment, Identifier [Axis]: Animal Dermatology Group, Inc. (Delayed Draw) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 16,362    
Fair value at the ending [2],[10],[11]     16,362
Investment, Identifier [Axis]: Animal Dermatology Group, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Animal Dermatology Group, Inc. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[26] 9,784    
Fair value at the ending 9,744 [4],[20],[27]   9,784 [2],[9],[26]
Investment, Identifier [Axis]: Animal Dermatology Group, Inc. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 3,685    
Fair value at the ending 3,099 [4],[19]   3,685 [2],[7]
Investment, Identifier [Axis]: Animal Dermatology Group, Inc. 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 8,703    
Fair value at the ending 7,321 [4],[19]   8,703 [2],[7]
Investment, Identifier [Axis]: Animal Dermatology Group, Inc. 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 5,760    
Fair value at the ending 4,846 [4],[19]   5,760 [2],[7]
Investment, Identifier [Axis]: Animal Dermatology Group, Inc. 5 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 19,243    
Fair value at the ending 16,198 [4],[32]   19,243 [2]
Investment, Identifier [Axis]: Animal Dermatology Group, Inc. 6 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 6,586    
Investment, Identifier [Axis]: Animal Dermatology Group, Inc. 7 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[27] 16,196    
Investment, Identifier [Axis]: AppLogic Networks OpCo I LLC (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[27] $ 0    
Number of shares held [27] 23,212    
Investment, Identifier [Axis]: AppLogic Networks OpCo I LLC (Common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[27] $ 67    
Number of shares held [27] 28,198    
Investment, Identifier [Axis]: AppLogic Networks OpCo I LLC (fka Sandvine Corporation) (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [26] $ 0    
Fair value at the ending [26]     $ 0
Number of shares held [26]     23,212
Investment, Identifier [Axis]: AppLogic Networks OpCo I LLC (fka Sandvine Corporation) (Common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [26] 88    
Fair value at the ending [26]     $ 88
Number of shares held [26]     28,198
Investment, Identifier [Axis]: AppLogic Networks OpCo I LLC (fka Sandvine Corporation) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 350    
Fair value at the ending [2],[34]     $ 350
Investment, Identifier [Axis]: AppLogic Networks OpCo I LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[36] 338    
Investment, Identifier [Axis]: Appriss Health, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Appriss Health, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] 3,169    
Fair value at the ending 3,168 [4],[21]   3,169 [2],[18]
Investment, Identifier [Axis]: Aras Corporation (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 254    
Fair value at the ending 218 [4],[13]   254 [2],[10]
Investment, Identifier [Axis]: Aras Corporation | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[26] 5,299    
Fair value at the ending 5,233 [4],[20],[27]   5,299 [2],[9],[26]
Investment, Identifier [Axis]: Arax Midco, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11],[12] 167    
Fair value at the ending [2],[10],[11],[12]     167
Investment, Identifier [Axis]: Arax Midco, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[12] 181    
Fair value at the ending [2],[10],[12]     181
Investment, Identifier [Axis]: Arax Midco, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[8],[9],[12] 13,400    
Fair value at the ending [2],[7],[8],[9],[12]     13,400
Investment, Identifier [Axis]: Arax Midco, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[12] 4,455    
Fair value at the ending [2],[7],[12]     4,455
Investment, Identifier [Axis]: Archtop Fiber Intermediate LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 5,865    
Fair value at the ending 14,662 [4],[13],[14]   5,865 [2],[10]
Investment, Identifier [Axis]: Archtop Fiber Intermediate LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 21,992    
Fair value at the ending 21,992 [4]   21,992 [2]
Investment, Identifier [Axis]: Arcserve Cayman GP LLC (Class A common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 0    
Fair value at the ending $ 0 [4]   $ 0
Number of shares held 157,895   157,895
Investment, Identifier [Axis]: Arcserve Cayman GP LLC (Class B common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 0    
Fair value at the ending $ 0 [4]   $ 0
Number of shares held 294,118   294,118
Investment, Identifier [Axis]: Arcserve Cayman Opco LP (Class A common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 1,960    
Fair value at the ending $ 1,906 [4]   $ 1,960
Number of shares held 157,895   157,895
Investment, Identifier [Axis]: Arcserve Cayman Opco LP (Class B common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 3,651    
Fair value at the ending $ 3,551 [4]   $ 3,651
Number of shares held 294,118   294,118
Investment, Identifier [Axis]: Arcserve Cayman Opco LP (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11],[34] $ 882    
Fair value at the ending 882 [4],[13],[14],[36]   $ 882 [2],[10],[11],[34]
Investment, Identifier [Axis]: Arcserve Cayman Opco LP 1 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 0    
Fair value at the ending 0 [4],[36]   0 [2],[34]
Investment, Identifier [Axis]: Arcserve Cayman Opco LP 2 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 512    
Fair value at the ending 524 [4],[36]   512 [2],[34]
Investment, Identifier [Axis]: Arcserve Cayman Opco LP 3 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 524    
Fair value at the ending 536 [4],[36]   524 [2],[34]
Investment, Identifier [Axis]: Ascent Midco, LLC (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 608    
Fair value at the ending $ 586 [4],[17]   $ 608 [2],[16]
Number of shares held 725,806 [17]   725,806 [16]
Investment, Identifier [Axis]: Assembly Buyer, LLC (Delayed Draw) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] $ 0    
Fair value at the ending 0 [4],[13],[14]   $ 0 [2],[10],[11]
Investment, Identifier [Axis]: Assembly Buyer, LLC (Delayed Draw) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Assembly Buyer, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Assembly Buyer, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[28] 16,000    
Fair value at the ending 15,880 [4],[19],[29]   16,000 [2],[7],[28]
Investment, Identifier [Axis]: Asset Reliability Bidco, Inc. (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Asset Reliability Bidco, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Asset Reliability Bidco, Inc. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[33] 11,388    
Fair value at the ending 11,230 [4],[15],[35]   11,388 [2],[12],[33]
Investment, Identifier [Axis]: Asset Reliability Bidco, Inc. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 20,147    
Fair value at the ending 20,350 [4],[32]   20,147 [2]
Investment, Identifier [Axis]: Attom Intermediate Holdco, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 181    
Fair value at the ending 181 [4],[13],[14]   181 [2],[10],[11]
Investment, Identifier [Axis]: Attom Intermediate Holdco, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Attom Intermediate Holdco, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[8],[9] 32,474    
Fair value at the ending 32,441 [4],[19],[20],[32]   32,474 [2],[7],[8],[9]
Investment, Identifier [Axis]: Automated Industrial Robotics US HoldCo Inc. (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 3,982    
Fair value at the ending [2],[10],[11]     3,982
Investment, Identifier [Axis]: Automated Industrial Robotics US HoldCo Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Automated Industrial Robotics US HoldCo Inc. (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13],[14] 3,982    
Investment, Identifier [Axis]: Automated Industrial Robotics US HoldCo Inc. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[41] 2,935    
Fair value at the ending 2,906 [4],[15],[42]   2,935 [2],[12],[41]
Investment, Identifier [Axis]: Automated Industrial Robotics US HoldCo Inc. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[43] 5,876    
Fair value at the ending 5,807 [4],[15],[44]   5,876 [2],[12],[43]
Investment, Identifier [Axis]: Automated Industrial Robotics US HoldCo Inc. 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 5,792    
Fair value at the ending 5,832 [4],[19]   5,792 [2],[7]
Investment, Identifier [Axis]: Avison Young (USA) Inc. (Class A preferred shares) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[34],[45] 0    
Fair value at the ending $ 0 [4],[15],[36],[46]   $ 0 [2],[12],[34],[45]
Number of shares held 2,036,442 [15],[36],[46]   2,036,442 [12],[34],[45]
Investment, Identifier [Axis]: Avison Young (USA) Inc. (Class F common shares) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[45] $ 0    
Fair value at the ending $ 0 [4],[15],[46]   $ 0 [2],[12],[45]
Number of shares held 1,521 [15],[46]   1,521 [12],[45]
Investment, Identifier [Axis]: Avison Young (USA) Inc. 1 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[34],[45] $ 961    
Fair value at the ending 841 [4],[15],[36],[46]   $ 961 [2],[12],[34],[45]
Investment, Identifier [Axis]: Avison Young (USA) Inc. 2 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[34],[45] 155    
Fair value at the ending 154 [4],[15],[36],[46]   155 [2],[12],[34],[45]
Investment, Identifier [Axis]: Avison Young (USA) Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[34],[45] 704    
Fair value at the ending 680 [4],[15],[36],[46]   704 [2],[12],[34],[45]
Investment, Identifier [Axis]: B2B Industrial Products LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 9,356    
Fair value at the ending 9,332 [4],[27]   9,356 [2],[26]
Investment, Identifier [Axis]: B2B Industrial Products LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 2,166    
Fair value at the ending 2,160 [4],[27]   2,166 [2],[26]
Investment, Identifier [Axis]: BCTO Bobsled Purchaser, Inc. (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13],[14] 0    
Investment, Identifier [Axis]: BCTO Bobsled Purchaser, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13] 0    
Investment, Identifier [Axis]: BCTO Bobsled Purchaser, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[29] 19,354    
Investment, Identifier [Axis]: BLP Buyer, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 5,225    
Fair value at the ending 6,138 [4],[13]   5,225 [2],[10]
Investment, Identifier [Axis]: BLP Buyer, Inc. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[8],[9],[22],[26] 49,250    
Fair value at the ending 49,125 [4],[19],[20],[23],[27],[32]   49,250 [2],[7],[8],[9],[22],[26]
Investment, Identifier [Axis]: BLP Buyer, Inc. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 1,876    
Fair value at the ending 1,872 [4],[27]   1,876 [2],[26]
Investment, Identifier [Axis]: BLP Buyer, Inc. 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[24] 5,925    
Fair value at the ending 5,910 [4],[25]   5,925 [2],[24]
Investment, Identifier [Axis]: BLP Buyer, Inc. 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 1,083    
Fair value at the ending 1,077 [4],[19]   1,083 [2],[7]
Investment, Identifier [Axis]: BLP Buyer, Inc. 5 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 1,505    
Fair value at the ending 1,496 [4],[19]   1,505 [2],[7]
Investment, Identifier [Axis]: BTR Opco LLC (Class A common units)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 0    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 0    
Fair value at the ending 0   0
Investment, Identifier [Axis]: BTR Opco LLC (Class A common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 0    
Fair value at the ending $ 0 [4],[6]   $ 0 [2],[5]
Number of shares held 622   622 [5]
Investment, Identifier [Axis]: BTR Opco LLC (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 1,478    
Transfers in (out) 0    
Purchases (cost) 190    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 46    
Fair value at the ending 1,714   $ 1,478
Investment, Identifier [Axis]: BTR Opco LLC (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning   1,131 1,131
Transfers in (out)   0  
Purchases (cost)   0  
Sales and paydowns (cost)   0  
PIK interest capitalized (cost)   0  
Discount accretion   0  
Net realized gain (loss)   0  
Net change in unrealized gain (loss)   38  
Fair value at the ending   1,169  
Investment, Identifier [Axis]: BTR Opco LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[10],[11],[34] 1,478    
Fair value at the ending $ 1,714 [4],[6],[13],[14],[36]   1,478 [2],[5],[10],[11],[34]
Investment, Identifier [Axis]: BTR Opco LLC (fka Born To Run, LLC) (Class A common units)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning   0 0
Transfers in (out)   0  
Purchases (cost)   0  
Sales and paydowns (cost)   0  
PIK interest capitalized (cost)   0  
Discount accretion   0  
Net realized gain (loss)   0  
Net change in unrealized gain (loss)   0  
Fair value at the ending   $ 0  
Number of units held 622 659  
Investment, Identifier [Axis]: BTR Opco LLC 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 395 $ 1,177 1,177
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) (228) 120  
Fair value at the ending 167 1,297 395
Investment, Identifier [Axis]: BTR Opco LLC 1 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[34] 395    
Fair value at the ending 167 [4],[6],[36]   395 [2],[5],[34]
Investment, Identifier [Axis]: BTR Opco LLC 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 0 0 0
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 0 0  
Fair value at the ending 0 0 0
Investment, Identifier [Axis]: BTR Opco LLC 2 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[34] 0    
Fair value at the ending 0 [4],[6],[36]   0 [2],[5],[34]
Investment, Identifier [Axis]: BTRS Holdings Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 2,577    
Fair value at the ending 3,544 [4],[13]   2,577 [2],[10]
Investment, Identifier [Axis]: BTRS Holdings Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[28] 26,398    
Fair value at the ending 26,398 [4],[20],[29]   26,398 [2],[9],[28]
Investment, Identifier [Axis]: BW 51f, L.P. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12] 9,000    
Fair value at the ending 9,000 [4],[15]   9,000 [2],[12]
Investment, Identifier [Axis]: Band Finance LLC and Anderson Global Luxembourg SCSp (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11],[12],[47] 4,863    
Fair value at the ending 9,030 [4],[13],[14],[15],[27],[40]   4,863 [2],[10],[11],[12],[47]
Investment, Identifier [Axis]: Band Finance LLC and Anderson Global Luxembourg SCSp (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[12],[47] 521    
Fair value at the ending 521 [4],[13],[15],[40]   521 [2],[10],[12],[47]
Investment, Identifier [Axis]: Band Finance LLC and Anderson Global Luxembourg SCSp 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[9],[26] 36,507    
Fair value at the ending 36,704 [4],[19],[20],[27]   36,507 [2],[7],[9],[26]
Investment, Identifier [Axis]: Band Finance LLC and Anderson Global Luxembourg SCSp 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[47] 13,908    
Fair value at the ending 13,983 [4],[15],[19],[40]   13,908 [2],[12],[47]
Investment, Identifier [Axis]: Bandas Law Firm, P.C. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 4,700    
Investment, Identifier [Axis]: Baystate Sewage Disposal, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 4,389    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) (11)    
PIK interest capitalized (cost) 0    
Discount accretion 5    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) (5)    
Fair value at the ending 4,378   4,389
Investment, Identifier [Axis]: Baystate Sewage Disposal, LLC (Class A-1 preferred units)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 8,926    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) (174)    
Fair value at the ending $ 8,752   8,926
Number of units held 8,841,724    
Investment, Identifier [Axis]: Baystate Sewage Disposal, LLC (Class A-1 preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] $ 8,926    
Fair value at the ending $ 8,752 [4],[6]   $ 8,926 [2],[5]
Number of shares held 8,841,724   8,841,724 [5]
Investment, Identifier [Axis]: Baystate Sewage Disposal, LLC (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 126    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 0    
Fair value at the ending 126   $ 126
Investment, Identifier [Axis]: Baystate Sewage Disposal, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[10],[11] 126    
Fair value at the ending 126 [4],[6],[13],[14]   126 [2],[5],[10],[11]
Investment, Identifier [Axis]: Baystate Sewage Disposal, LLC (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 0    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 0    
Fair value at the ending 0   0
Investment, Identifier [Axis]: Baystate Sewage Disposal, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[10] 0    
Fair value at the ending 0 [4],[6],[13]   0 [2],[5],[10]
Investment, Identifier [Axis]: Baystate Sewage Disposal, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[7] 4,389    
Fair value at the ending 4,378 [4],[6],[19]   4,389 [2],[5],[7]
Investment, Identifier [Axis]: Beckway Acquisition, Inc. (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Beckway Acquisition, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Beckway Acquisition, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 8,000    
Fair value at the ending 7,980 [4],[19]   8,000 [2],[7]
Investment, Identifier [Axis]: Bench Walk Lead, LLC (Commitment to purchase the equity) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[16] 1,513    
Fair value at the ending 1,540 [4],[15],[17]   1,513 [2],[12],[16]
Investment, Identifier [Axis]: Bench Walk Lead, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11],[12] 4,181    
Fair value at the ending 4,588 [4],[13],[14],[15]   4,181 [2],[10],[11],[12]
Investment, Identifier [Axis]: Bench Walk Lead, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12] 27,114    
Fair value at the ending [2],[12]     27,114
Investment, Identifier [Axis]: Bench Walk Lead, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12] 1,603    
Fair value at the ending [2],[12]     1,603
Investment, Identifier [Axis]: Bench Walk Lead, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[15] 23,202    
Investment, Identifier [Axis]: Bloomerang, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 1,614    
Fair value at the ending 0 [4],[13],[14]   1,614 [2],[10],[11]
Investment, Identifier [Axis]: Bloomerang, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 1,600    
Fair value at the ending 0 [4],[13]   1,600 [2],[10]
Investment, Identifier [Axis]: Bloomerang, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[20],[23],[27],[29] 17,695    
Investment, Identifier [Axis]: Bloomerang, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[27] 5,902    
Investment, Identifier [Axis]: Bloomerang, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[22],[26],[28] 16,141    
Fair value at the ending [2],[9],[22],[26],[28]     16,141
Investment, Identifier [Axis]: Bluesight, Inc. (Class A preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 528    
Fair value at the ending $ 528 [4]   $ 528 [2]
Number of shares held 528   528
Investment, Identifier [Axis]: Bluesight, Inc. (Class B common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 227    
Fair value at the ending $ 251 [4]   $ 227 [2]
Number of shares held 282,635   282,635
Investment, Identifier [Axis]: Bluesight, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] $ 0    
Fair value at the ending 0 [4],[13]   $ 0 [2],[10]
Investment, Identifier [Axis]: Bluesight, Inc. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[24] 3,936    
Fair value at the ending 30,149 [4],[20],[21],[23]   3,936 [2],[24]
Investment, Identifier [Axis]: Bluesight, Inc. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[22],[28] 26,243    
Fair value at the ending 3,932 [4],[25]   26,243 [2],[22],[28]
Investment, Identifier [Axis]: Bluesight, Inc. 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[23],[29] 26,216    
Investment, Identifier [Axis]: Bluesight, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[18],[22] 30,179    
Fair value at the ending [2],[9],[18],[22]     30,179
Investment, Identifier [Axis]: Buck Design LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 3,512    
Fair value at the ending 3,529 [4],[13],[14]   3,512 [2],[10],[11]
Investment, Identifier [Axis]: Buck Design LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 798    
Fair value at the ending 1,292 [4],[13]   798 [2],[10]
Investment, Identifier [Axis]: Buck Design LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[8] 9,950    
Fair value at the ending 9,975 [4],[32]   9,950 [2],[8]
Investment, Identifier [Axis]: Burgess Point Purchaser Corporation | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 4,143    
Fair value at the ending [2],[26]     4,143
Investment, Identifier [Axis]: CE Intermediate, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[8],[9],[18],[26] 35,013    
Fair value at the ending 34,520 [4],[20],[21],[27],[32]   35,013 [2],[8],[9],[18],[26]
Investment, Identifier [Axis]: CGI Automated Manufacturing, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 8,710    
Fair value at the ending 8,784 [4]   8,710 [2],[26]
Investment, Identifier [Axis]: CGI Automated Manufacturing, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 5,542    
Fair value at the ending 5,589 [4]   5,542 [2],[26]
Investment, Identifier [Axis]: CGI Automated Manufacturing, LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 10,605    
Fair value at the ending 10,695 [4]   10,605 [2],[26]
Investment, Identifier [Axis]: Calienger Holdings, L.L.C. (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [16] 568    
Fair value at the ending $ 443 [4],[17]   $ 568 [16]
Number of shares held 568,181 [17]   568,181 [16]
Investment, Identifier [Axis]: Calienger Holdings, L.L.C. (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] $ 0    
Fair value at the ending 0 [4],[13],[14]   $ 0 [2],[10],[11]
Investment, Identifier [Axis]: Calienger Holdings, L.L.C. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Calienger Holdings, L.L.C. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 4,863    
Fair value at the ending 4,850 [4],[19]   4,863 [2],[7]
Investment, Identifier [Axis]: Calienger Holdings, L.L.C. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 16,986    
Fair value at the ending 16,943 [4],[23],[25]   16,986 [2]
Investment, Identifier [Axis]: Caputo Cheese Interco Corp. (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 2,691    
Fair value at the ending $ 2,702 [4]   $ 2,691 [2]
Number of shares held 2,777,778   2,777,778
Investment, Identifier [Axis]: Caputo Cheese Interco Corp. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] $ 750    
Fair value at the ending 750 [4],[13]   $ 750 [2],[10]
Investment, Identifier [Axis]: Caputo Cheese Interco Corp. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 15,000    
Fair value at the ending 14,955 [4],[19]   15,000 [2],[7]
Investment, Identifier [Axis]: Caravel Autism Health, LLC (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 3,213    
Fair value at the ending $ 2,942 [4],[17]   $ 3,213 [2],[16]
Number of shares held 3,781 [17]   3,781 [16]
Investment, Identifier [Axis]: Caravel Autism Health, LLC (Class B units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] $ 0    
Fair value at the ending $ 0 [4],[17]   $ 0 [2],[16]
Number of shares held 4,011 [17]   4,011 [16]
Investment, Identifier [Axis]: Caravel Autism Health, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] $ 3,609    
Fair value at the ending 3,573 [4],[13],[14]   $ 3,609 [2],[10],[11]
Investment, Identifier [Axis]: Caravel Autism Health, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Caravel Autism Health, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[22],[26],[28] 17,682    
Fair value at the ending 17,503 [4],[23],[27],[29]   17,682 [2],[22],[26],[28]
Investment, Identifier [Axis]: Caravel Autism Health, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 7,635    
Fair value at the ending 7,558 [4],[19]   7,635 [2],[7]
Investment, Identifier [Axis]: Cardinal Parent, Inc | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 9,622    
Fair value at the ending 7,009 [4],[48]   9,622 [2]
Investment, Identifier [Axis]: Catalyst Data Holdings, Inc. (Common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [49] 4,453    
Fair value at the ending $ 4,315 [4],[50]   $ 4,453 [49]
Number of shares held 4,177 [50]   4,177 [49]
Investment, Identifier [Axis]: Catalyst Data Holdings, Inc. (Delayed Draw) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] $ 232    
Fair value at the ending 4,456 [4],[13],[14]   $ 232 [2],[10],[11]
Investment, Identifier [Axis]: Catalyst Data Holdings, Inc. (Delayed Draw) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Catalyst Data Holdings, Inc. (Delayed Draw) 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 358    
Fair value at the ending 474 [4],[13],[14]   358 [2],[10],[11]
Investment, Identifier [Axis]: Catalyst Data Holdings, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 2,046 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Catalyst Data Holdings, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[8],[28] 16,500    
Fair value at the ending 16,500 [4],[29],[32]   16,500 [2],[8],[28]
Investment, Identifier [Axis]: Cdata Software, Inc. (Delayed Draw) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Cdata Software, Inc. (Delayed Draw) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 2,343    
Fair value at the ending 2,340 [4],[14]   2,343 [2],[10],[11]
Investment, Identifier [Axis]: Cdata Software, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Cdata Software, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[18],[22],[28] 46,007    
Fair value at the ending 45,950 [4],[20],[21],[23],[29]   46,007 [2],[9],[18],[22],[28]
Investment, Identifier [Axis]: Central Moloney, LLC (Class A preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 3,507    
Fair value at the ending $ 3,508 [4]   $ 3,507
Number of shares held 6,029   6,029
Investment, Identifier [Axis]: Central Moloney, LLC (Class B common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 32,227    
Fair value at the ending $ 34,175 [4]   $ 32,227
Number of shares held 6,029   6,029
Investment, Identifier [Axis]: Central Moloney, LLC (Class G units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 296    
Fair value at the ending $ 316 [4]   $ 296
Number of shares held 63   63
Investment, Identifier [Axis]: Chess.com, LLC (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] $ 154    
Fair value at the ending $ 149 [4],[17]   $ 154 [2],[16]
Number of shares held 5 [17]   5 [16]
Investment, Identifier [Axis]: Chess.com, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] $ 0    
Fair value at the ending 0 [4],[13]   $ 0 [2],[10]
Investment, Identifier [Axis]: Chess.com, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[18] 11,711    
Fair value at the ending 9,978 [4],[19],[21]   11,711 [2],[7],[18]
Investment, Identifier [Axis]: Cleanova US Holdings LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[51] 14,321    
Fair value at the ending [2],[12],[51]     14,321
Investment, Identifier [Axis]: ClearCapital Holdings, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: ClearCapital Holdings, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: ClearCapital Holdings, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[26] 7,231    
Fair value at the ending 7,186 [4],[19],[27]   7,231 [2],[7],[26]
Investment, Identifier [Axis]: ClearlyRated Capital, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 1,427    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) (4)    
PIK interest capitalized (cost) 0    
Discount accretion 2    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 0    
Fair value at the ending 1,425   1,427
Investment, Identifier [Axis]: ClearlyRated Capital, LLC (Class A units)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 7,626 5,500 5,500
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) (345) 0  
Fair value at the ending $ 7,281 $ 5,500 7,626
Number of units held 7,093,224 5,500,000  
Investment, Identifier [Axis]: ClearlyRated Capital, LLC (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[16] $ 7,626    
Fair value at the ending $ 7,281 [4],[6],[17]   $ 7,626 [2],[5],[16]
Number of shares held 7,093,224 [17]   7,093,224 [5],[16]
Investment, Identifier [Axis]: ClearlyRated Capital, LLC (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 0    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 0    
Fair value at the ending 0   $ 0
Investment, Identifier [Axis]: ClearlyRated Capital, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[10],[11] 0    
Fair value at the ending 0 [4],[6],[13],[14]   0 [2],[5],[10],[11]
Investment, Identifier [Axis]: ClearlyRated Capital, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 1,427    
Fair value at the ending 1,425 [4],[6]   1,427 [2],[5]
Investment, Identifier [Axis]: Cloud for Good, LLC (Common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 5,100    
Fair value at the ending $ 4,650 [4]   $ 5,100
Number of shares held 5,000,000   5,000,000
Investment, Identifier [Axis]: Cloud for Good, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] $ 0    
Fair value at the ending 0 [4],[13],[14]   $ 0 [2],[10],[11]
Investment, Identifier [Axis]: Cloud for Good, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Cloud for Good, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[8] 17,369    
Fair value at the ending 17,325 [4],[19],[32]   17,369 [2],[7],[8]
Investment, Identifier [Axis]: Clydesdale Holdings, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Clydesdale Holdings, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 4,900    
Fair value at the ending 4,888 [4],[27]   4,900 [2],[26]
Investment, Identifier [Axis]: Clydesdale Holdings, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[26] 4,900    
Fair value at the ending 4,888 [4],[25],[27]   4,900 [2],[18],[26]
Investment, Identifier [Axis]: Clydesdale Holdings, LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[8],[26] 14,396    
Fair value at the ending 14,374 [4],[19],[27],[32]   14,396 [2],[7],[8],[26]
Investment, Identifier [Axis]: Clydesdale Holdings, LLC 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[22] 20,479    
Fair value at the ending 20,447 [4],[19],[23]   20,479 [2],[7],[22]
Investment, Identifier [Axis]: Clydesdale Holdings, LLC 5 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 8,199    
Fair value at the ending 8,187 [4],[19]   8,199 [2],[7]
Investment, Identifier [Axis]: Cohere Beauty, Phoenix LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13] 866    
Investment, Identifier [Axis]: Cohere Beauty, Phoenix LLC (fka Arizona Natural Resources, LLC) (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 884    
Fair value at the ending [2],[10]     884
Investment, Identifier [Axis]: Cohere Beauty, Phoenix LLC (fka Arizona Natural Resources, LLC) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[9] 13,331    
Fair value at the ending [2],[7],[9]     13,331
Investment, Identifier [Axis]: Cohere Beauty, Phoenix LLC (fka Arizona Natural Resources, LLC) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9] 2,447    
Fair value at the ending [2],[9]     2,447
Investment, Identifier [Axis]: Cohere Beauty, Phoenix LLC (fka Arizona Natural Resources, LLC) 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 6,640    
Fair value at the ending [2],[26]     6,640
Investment, Identifier [Axis]: Cohere Beauty, Phoenix LLC (fka Arizona Natural Resources, LLC) 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] 2,868    
Fair value at the ending [2],[18]     2,868
Investment, Identifier [Axis]: Cohere Beauty, Phoenix LLC (fka Arizona Natural Resources, LLC) 5 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 2,725    
Fair value at the ending [2],[7]     2,725
Investment, Identifier [Axis]: Cohere Beauty, Phoenix LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[19],[20],[27] 13,022    
Investment, Identifier [Axis]: Cohere Beauty, Phoenix LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[20] 2,391    
Investment, Identifier [Axis]: Cohere Beauty, Phoenix LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[27] 6,487    
Investment, Identifier [Axis]: Cohere Beauty, Phoenix LLC 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[21] 2,802    
Investment, Identifier [Axis]: Cohere Beauty, Phoenix LLC 5 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[27] 2,662    
Investment, Identifier [Axis]: Cosmos Bidco, Inc. (Class A Membership Interest) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 2,554    
Fair value at the ending $ 2,293 [4]   $ 2,554 [2]
Number of shares held 2,250,000   2,250,000
Investment, Identifier [Axis]: Cosmos Bidco, Inc. (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] $ 0    
Fair value at the ending 0 [4],[13],[14]   $ 0 [2],[10],[11]
Investment, Identifier [Axis]: Cosmos Bidco, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 1,350 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Cosmos Bidco, Inc. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[18],[22] 36,126    
Fair value at the ending 36,216 [4],[20],[21],[23]   36,126 [2],[9],[18],[22]
Investment, Identifier [Axis]: Cosmos Bidco, Inc. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[24],[28] 6,774    
Fair value at the ending 6,791 [4],[25],[29]   6,774 [2],[24],[28]
Investment, Identifier [Axis]: Cosmos Bidco, Inc. 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[28] 18,893    
Fair value at the ending 18,940 [4],[29]   18,893 [2],[28]
Investment, Identifier [Axis]: Cosmos Bidco, Inc. 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 4,129    
Fair value at the ending 4,139 [4],[23]   4,129 [2]
Investment, Identifier [Axis]: Cpex Purchaser, LLC (Delayed Draw) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13],[14] 0    
Investment, Identifier [Axis]: Cpex Purchaser, LLC (Delayed Draw) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13],[14] 385    
Investment, Identifier [Axis]: Cpex Purchaser, LLC (Delayed Draw) 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13],[14] 4,210    
Investment, Identifier [Axis]: Cpex Purchaser, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 2,743    
Fair value at the ending [2],[10],[11]     2,743
Investment, Identifier [Axis]: Cpex Purchaser, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 12,194    
Fair value at the ending 13,935 [4]   12,194 [2],[10]
Investment, Identifier [Axis]: Cpex Purchaser, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[18],[28] 35,964    
Fair value at the ending 35,982 [4],[20],[21],[29]   35,964 [2],[9],[18],[28]
Investment, Identifier [Axis]: Cpex Purchaser, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[28] 6,441    
Fair value at the ending 6,445 [4],[29]   6,441 [2],[28]
Investment, Identifier [Axis]: Cpex Purchaser, LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[28] 4,057    
Fair value at the ending 4,059 [4],[29]   4,057 [2],[28]
Investment, Identifier [Axis]: Crownpeak Technology, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[18] 1,711    
Fair value at the ending 1,634 [4],[20],[21]   1,711 [2],[9],[18]
Investment, Identifier [Axis]: Crusoe Energy Systems LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 15,109    
Fair value at the ending 2,569 [4]   15,109 [2]
Investment, Identifier [Axis]: Crusoe Energy Systems LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 12,447    
Fair value at the ending 2,054 [4]   12,447 [2]
Investment, Identifier [Axis]: DS Parent, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[24] 18,119    
Fair value at the ending 17,472 [4],[25]   18,119 [2],[24]
Investment, Identifier [Axis]: DataOnline Corp. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 2,591    
Fair value at the ending [2],[10]     2,591
Investment, Identifier [Axis]: DataOnline Corp. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[24] 8,587    
Fair value at the ending [2],[7],[24]     8,587
Investment, Identifier [Axis]: DataOnline Corp. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[8],[9],[18],[22],[28] 34,396    
Fair value at the ending [2],[7],[8],[9],[18],[22],[28]     34,396
Investment, Identifier [Axis]: Demakes Borrower, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 4,780    
Fair value at the ending 4,768 [4],[19]   4,780 [2],[7]
Investment, Identifier [Axis]: Dorado Acquisition, Inc. (Class A-1 units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 586    
Fair value at the ending $ 586 [4]   $ 586 [2]
Number of shares held 531,783   531,783
Investment, Identifier [Axis]: Dorado Acquisition, Inc. (Class A-2 units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 133    
Fair value at the ending $ 102 [4]   $ 133 [2]
Number of shares held 531,783   531,783
Investment, Identifier [Axis]: Dorado Acquisition, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] $ 0    
Fair value at the ending 0 [4],[13]   $ 0 [2],[10]
Investment, Identifier [Axis]: Dorado Acquisition, Inc. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[26] 13,116    
Fair value at the ending 13,130 [4],[21],[27]   13,116 [2],[18],[26]
Investment, Identifier [Axis]: Dorado Acquisition, Inc. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[26] 10,874    
Fair value at the ending 10,885 [4],[21],[27]   10,874 [2],[18],[26]
Investment, Identifier [Axis]: Douglas Holdings, Inc. (Class A common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 614    
Fair value at the ending $ 516 [4]   $ 614
Number of shares held 573,847   573,847
Investment, Identifier [Axis]: Douglas Holdings, Inc. (Delayed Draw) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] $ 650    
Fair value at the ending [2],[10],[11]     $ 650
Investment, Identifier [Axis]: Douglas Holdings, Inc. (Delayed Draw) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 2,255    
Fair value at the ending [2],[10],[11]     2,255
Investment, Identifier [Axis]: Douglas Holdings, Inc. (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13],[14] 3,048    
Investment, Identifier [Axis]: Douglas Holdings, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Douglas Holdings, Inc. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[20],[29] 24,912    
Investment, Identifier [Axis]: Douglas Holdings, Inc. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[27] 5,416    
Investment, Identifier [Axis]: Douglas Holdings, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[28] 24,912    
Fair value at the ending [2],[9],[28]     24,912
Investment, Identifier [Axis]: Drawbridge Partners, LLC (Class A-1 units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 857    
Fair value at the ending $ 754 [4]   $ 857
Number of shares held 652,174   652,174
Investment, Identifier [Axis]: Drawbridge Partners, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] $ 3,981    
Fair value at the ending 3,972 [4],[13],[14]   $ 3,981 [2],[10],[11]
Investment, Identifier [Axis]: Drawbridge Partners, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Drawbridge Partners, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] 15,027    
Fair value at the ending 14,993 [4],[21]   15,027 [2],[18]
Investment, Identifier [Axis]: Dusk Acquisition II Corporation 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[8],[26] 7,901    
Fair value at the ending 7,881 [4],[19],[32]   7,901 [2],[8],[26]
Investment, Identifier [Axis]: Dusk Acquisition II Corporation 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[26] 10,624    
Fair value at the ending 10,597 [4],[19]   10,624 [2],[7],[26]
Investment, Identifier [Axis]: E-Discovery Acquireco, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 1,455    
Fair value at the ending 1,455 [4],[13]   1,455 [2],[10]
Investment, Identifier [Axis]: E-Discovery Acquireco, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[26] 20,200    
Fair value at the ending 20,138 [4],[20]   20,200 [2],[9],[26]
Investment, Identifier [Axis]: E-Discovery Acquireco, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 3,265    
Fair value at the ending 3,254 [4]   3,265 [2],[26]
Investment, Identifier [Axis]: EMCO Holdco LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: EMCO Holdco LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: EMCO Holdco LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 42,719    
Fair value at the ending 43,279 [4],[19],[23],[25],[32]   42,719 [2]
Investment, Identifier [Axis]: EOS Finco S.A.R.L. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[12],[34],[52] 1,929    
Fair value at the ending [2],[7],[12],[34],[52]     1,929
Investment, Identifier [Axis]: Ecotrak, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13],[14] 0    
Investment, Identifier [Axis]: Ecotrak, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13] 0    
Investment, Identifier [Axis]: Ecotrak, LLC (Series B Preferred Units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[17] $ 15,229    
Number of shares held [17] 14,350,614    
Investment, Identifier [Axis]: Ecotrak, LLC (fka Respida Software Equity CI LP) (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] $ 0    
Fair value at the ending [2],[10],[11]     0
Investment, Identifier [Axis]: Ecotrak, LLC (fka Respida Software Equity CI LP) (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending [2],[10]     0
Investment, Identifier [Axis]: Ecotrak, LLC (fka Respida Software Equity CI LP) (Series B Preferred Units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 16,171    
Fair value at the ending [2],[16]     $ 16,171
Number of shares held [16]     15,400,820
Investment, Identifier [Axis]: Ecotrak, LLC (fka Respida Software Equity CI LP) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[28] 7,547    
Fair value at the ending [2],[28]     $ 7,547
Investment, Identifier [Axis]: Ecotrak, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[29] 7,547    
Investment, Identifier [Axis]: Edustaff, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Edustaff, LLC (Shares of common stock) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 1,099    
Fair value at the ending $ 1,049 [4],[17]   $ 1,099 [2],[16]
Number of shares held 591 [17]   591 [16]
Investment, Identifier [Axis]: Edustaff, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[20],[27] $ 10,844    
Investment, Identifier [Axis]: Edustaff, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[19] 1,857    
Investment, Identifier [Axis]: Edustaff, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[26] 10,844    
Fair value at the ending [2],[9],[26]     $ 10,844
Investment, Identifier [Axis]: Einstein Parent, INC. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Einstein Parent, INC. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[8],[28] 36,314    
Fair value at the ending 35,772 [4],[29],[32]   36,314 [2],[8],[28]
Investment, Identifier [Axis]: Engineered Metal Solutions, Inc.      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 6,850    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) (17)    
PIK interest capitalized (cost) 0    
Discount accretion 8    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) (8)    
Fair value at the ending 6,833   6,850
Investment, Identifier [Axis]: Engineered Metal Solutions, Inc. (Class A units)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 7,633    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 372    
Fair value at the ending $ 8,005   7,633
Number of units held 7,413    
Investment, Identifier [Axis]: Engineered Metal Solutions, Inc. (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] $ 7,633    
Fair value at the ending $ 8,005 [4],[6]   $ 7,633 [2],[5]
Number of shares held 7,413   7,413 [5]
Investment, Identifier [Axis]: Engineered Metal Solutions, Inc. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 0    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 0    
Fair value at the ending 0   $ 0
Investment, Identifier [Axis]: Engineered Metal Solutions, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[10] 0    
Fair value at the ending 0 [4],[6],[13]   0 [2],[5],[10]
Investment, Identifier [Axis]: Engineered Metal Solutions, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 6,850    
Fair value at the ending 6,833 [4],[6]   6,850 [2],[5]
Investment, Identifier [Axis]: Engineering Research and Consulting, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 5,811    
Fair value at the ending 3,925 [4],[48]   5,811 [2]
Investment, Identifier [Axis]: Epika Fleet Services, Inc. (Common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 4,018    
Number of shares held 2,642,563    
Investment, Identifier [Axis]: Epika Fleet Services, Inc. (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] $ 11,210    
Fair value at the ending [2],[10],[11]     11,210
Investment, Identifier [Axis]: Epika Fleet Services, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Epika Fleet Services, Inc. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[22],[24] 50,431    
Fair value at the ending 49,932 [4],[19],[23],[25]   50,431 [2],[7],[22],[24]
Investment, Identifier [Axis]: Epika Fleet Services, Inc. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[8] 13,349    
Fair value at the ending 13,217 [4],[32]   13,349 [2],[8]
Investment, Identifier [Axis]: Epika Fleet Services, Inc. 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[23],[25] 17,998    
Investment, Identifier [Axis]: Equine Network, LLC (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [16] 122    
Fair value at the ending $ 304 [4],[17]   $ 122 [16]
Number of shares held 92 [17]   92 [16]
Investment, Identifier [Axis]: EverService Midco, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] $ 0    
Fair value at the ending 0 [4],[13]   $ 0 [2],[10]
Investment, Identifier [Axis]: EverService Midco, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[8],[22],[26],[28] 37,254    
Fair value at the ending 36,885 [4],[19],[23],[27],[29],[32]   37,254 [2],[7],[8],[22],[26],[28]
Investment, Identifier [Axis]: EverView AcquisitionCo, Inc. (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: EverView AcquisitionCo, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: EverView AcquisitionCo, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[28] 20,750    
Fair value at the ending 20,750 [4],[20],[29]   20,750 [2],[9],[28]
Investment, Identifier [Axis]: Evolve Biologics Inc. (Warrant to purchase the equity) (2)| Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[26] 0    
Fair value at the ending [2],[12],[26]     0
Investment, Identifier [Axis]: Evolve Biologics Inc. (Warrant to purchase the equity) 1 | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[15] 0    
Investment, Identifier [Axis]: Evolve Biologics Inc. (Warrant to purchase the equity) 2 | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[15],[27] 0    
Investment, Identifier [Axis]: Evolve Biologics Inc. (Warrant to purchase the equity) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12] 0    
Fair value at the ending [2],[12]     0
Investment, Identifier [Axis]: Excel Testing and Engineering Holdings LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 1,200 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Excel Testing and Engineering Holdings LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Excel Testing and Engineering Holdings LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 2,970    
Fair value at the ending 3,000 [4],[19]   2,970 [2],[7]
Investment, Identifier [Axis]: Excelligence Learning Corporation (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 476    
Fair value at the ending 1,933 [4],[13]   476 [2],[10]
Investment, Identifier [Axis]: Excelligence Learning Corporation | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 10,414    
Fair value at the ending 10,223 [4],[27]   10,414 [2],[26]
Investment, Identifier [Axis]: Expedited Travel, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,468    
Fair value at the ending 1,455 [4]   1,468 [2]
Investment, Identifier [Axis]: Expedited Travel, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[8],[9],[18] 8,332    
Fair value at the ending 8,048 [4],[19],[20],[21],[32]   8,332 [2],[7],[8],[9],[18]
Investment, Identifier [Axis]: Express Wash Acquisition Company, LLC (Class A common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [16] 0    
Fair value at the ending $ 0 [4],[17]   $ 0 [16]
Number of shares held 34,944 [17]   34,944 [16]
Investment, Identifier [Axis]: Express Wash Acquisition Company, LLC (Class A preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [16] $ 0    
Fair value at the ending $ 0 [4],[17]   $ 0 [16]
Number of shares held 35 [17]   35 [16]
Investment, Identifier [Axis]: Express Wash Acquisition Company, LLC (Class A-1 preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [16] $ 0    
Fair value at the ending $ 31 [4],[17]   $ 0 [16]
Number of shares held 41 [17]   41 [16]
Investment, Identifier [Axis]: Express Wash Acquisition Company, LLC (Class B common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [16] $ 0    
Fair value at the ending $ 0 [4],[17]   $ 0 [16]
Number of shares held 164,381 [17]   164,381 [16]
Investment, Identifier [Axis]: Express Wash Acquisition Company, LLC (Class B preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [16] $ 0    
Fair value at the ending $ 1 [4],[17]   $ 0 [16]
Number of shares held 164 [17]   164 [16]
Investment, Identifier [Axis]: Express Wash Acquisition Company, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] $ 0    
Fair value at the ending 0 [4],[13]   $ 0 [2],[10]
Investment, Identifier [Axis]: Express Wash Acquisition Company, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[26] 18,380    
Fair value at the ending 18,264 [4],[19],[27]   18,380 [2],[7],[26]
Investment, Identifier [Axis]: FH BMX Buyer, Inc. (Delayed Draw) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 5,158    
Fair value at the ending [2],[10],[11]     5,158
Investment, Identifier [Axis]: FH BMX Buyer, Inc. (Delayed Draw) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending [2],[10],[11]     0
Investment, Identifier [Axis]: FH BMX Buyer, Inc. (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13],[14] 2,667    
Investment, Identifier [Axis]: FH BMX Buyer, Inc. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 9,022    
Fair value at the ending 8,910 [4],[32]   9,022 [2]
Investment, Identifier [Axis]: FH BMX Buyer, Inc. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 4,815    
Fair value at the ending 4,756 [4],[32]   4,815 [2]
Investment, Identifier [Axis]: FH BMX Buyer, Inc. 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 7,153    
Investment, Identifier [Axis]: FLEET Response, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 0    
Transfers in (out) 8,851    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 0    
Fair value at the ending 8,851   0
Investment, Identifier [Axis]: FLEET Response, LLC (Common units)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 0    
Transfers in (out) 16,054    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) (12,384)    
Fair value at the ending $ 3,670   0
Number of units held 177,011    
Investment, Identifier [Axis]: FLEET Response, LLC (Common units) 2 | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[6],[17] $ 0    
Number of shares held [17] 838,077    
Investment, Identifier [Axis]: FLEET Response, LLC (Common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[6] $ 3,670    
Number of shares held 177,011    
Investment, Identifier [Axis]: FLEET Response, LLC (Preferred units)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 0    
Transfers in (out) 0    
Purchases (cost) 1,770    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 885    
Fair value at the ending $ 2,655   0
Number of units held 177,011    
Investment, Identifier [Axis]: FLEET Response, LLC (Preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[6] $ 2,655    
Number of shares held 177,011    
Investment, Identifier [Axis]: FLEET Response, LLC (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 0    
Transfers in (out) 379    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 0    
Fair value at the ending 379   0
Investment, Identifier [Axis]: FLEET Response, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[6],[13],[36] 379    
Investment, Identifier [Axis]: FLEET Response, LLC (Series A preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[6],[17],[36] $ 0    
Number of shares held [17],[36] 46,462    
Investment, Identifier [Axis]: FLEET Response, LLC (fka RS Acquisition, LLC) (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[34] $ 722    
Fair value at the ending [2],[10],[34]     722
Investment, Identifier [Axis]: FLEET Response, LLC (fka RS Acquisition, LLC) (Series A preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [16],[34] 0    
Fair value at the ending [16],[34]     $ 0
Number of shares held [16],[34]     46,462
Investment, Identifier [Axis]: FLEET Response, LLC (fka RS Acquisition, LLC) (common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [16] 0    
Fair value at the ending [16]     $ 0
Number of shares held [16]     838,077
Investment, Identifier [Axis]: FLEET Response, LLC (fka RS Acquisition, LLC) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 8,671    
Fair value at the ending [2],[34]     $ 8,671
Investment, Identifier [Axis]: FLEET Response, LLC (fka RS Acquisition, LLC) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 8,013    
Fair value at the ending [2],[34]     8,013
Investment, Identifier [Axis]: FLEET Response, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[6],[36] 8,851    
Investment, Identifier [Axis]: FR Panther Intermediate, LLC (Class A-1 units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[53] $ 1,333    
Number of shares held [53] 133,333    
Investment, Identifier [Axis]: FR Panther Intermediate, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13],[14] $ 0    
Investment, Identifier [Axis]: FR Panther Intermediate, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13] 0    
Investment, Identifier [Axis]: FR Panther Intermediate, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[23],[32] 9,875    
Investment, Identifier [Axis]: FR Panther Intermediate, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 1,215    
Investment, Identifier [Axis]: Fiasco Enterprises, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Fiasco Enterprises, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[22] 6,684    
Fair value at the ending 6,711 [4],[23]   6,684 [2],[22]
Investment, Identifier [Axis]: Fiasco Enterprises, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[22],[26] 8,063    
Fair value at the ending 8,095 [4],[23],[27]   8,063 [2],[22],[26]
Investment, Identifier [Axis]: Fiasco Enterprises, LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 34,951    
Fair value at the ending 35,094 [4],[19]   34,951 [2],[7]
Investment, Identifier [Axis]: Finastra USA, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[15],[31],[48] 4,707    
Investment, Identifier [Axis]: First Brands Group, LLC 1 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 92    
Fair value at the ending 40 [4],[36]   92 [2],[34]
Investment, Identifier [Axis]: First Brands Group, LLC 2 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 1,408    
Fair value at the ending 125 [4],[36]   1,408 [2],[34]
Investment, Identifier [Axis]: First Brands Group, LLC 3 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 189    
Fair value at the ending 43 [4],[36]   189 [2],[34]
Investment, Identifier [Axis]: First Brands Group, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 3,379    
Fair value at the ending 3,626 [4],[36]   3,379 [2],[34]
Investment, Identifier [Axis]: Forest Buyer, LLC (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 411    
Fair value at the ending $ 411 [4],[17]   $ 411 [2],[16]
Number of shares held 906 [17]   906 [16]
Investment, Identifier [Axis]: Forest Buyer, LLC (Class B units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] $ 1,100    
Fair value at the ending $ 704 [4],[17]   $ 1,100 [2],[16]
Number of shares held 906 [17]   906 [16]
Investment, Identifier [Axis]: Fortra, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[22],[28] $ 9,827    
Fair value at the ending 4,108 [4],[29],[48]   $ 9,827 [2],[22],[28]
Investment, Identifier [Axis]: Freedom U.S. Acquisition Corporation (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Freedom U.S. Acquisition Corporation | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[8],[9],[24],[28] 50,650    
Fair value at the ending 49,061 [4],[19],[20],[25],[29],[32]   50,650 [2],[7],[8],[9],[24],[28]
Investment, Identifier [Axis]: Fueled Digital Media, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 675    
Fair value at the ending 663 [4],[13]   675 [2],[10]
Investment, Identifier [Axis]: Fueled Digital Media, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 5,261    
Fair value at the ending 5,169 [4]   5,261 [2]
Investment, Identifier [Axis]: Fueled Digital Media, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 463    
Fair value at the ending 455 [4]   463 [2]
Investment, Identifier [Axis]: GBP CSTA Buyer LLC (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 1,455    
Fair value at the ending $ 1,455 [4],[17]   $ 1,455 [2],[16]
Number of shares held 1,454,566 [17]   1,454,566 [16]
Investment, Identifier [Axis]: GBP CSTA Buyer LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] $ 0    
Fair value at the ending 111 [4],[13]   $ 0 [2],[10]
Investment, Identifier [Axis]: GBP CSTA Buyer LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 980    
Fair value at the ending 998 [4]   980 [2]
Investment, Identifier [Axis]: GC Champion Acquisition LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: GC Champion Acquisition LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[18] 19,904    
Fair value at the ending 19,878 [4],[19],[21]   19,904 [2],[7],[18]
Investment, Identifier [Axis]: GC Champion Acquisition LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 3,530    
Fair value at the ending 3,525 [4],[27]   3,530 [2],[26]
Investment, Identifier [Axis]: GC Champion Acquisition LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 10,590    
Fair value at the ending 10,576 [4],[27]   10,590 [2],[26]
Investment, Identifier [Axis]: Gainsight, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 27,135    
Fair value at the ending 27,067 [4],[19],[29],[48]   27,135 [2],[7]
Investment, Identifier [Axis]: Gargoyle Enterprises, Inc. (Revolver) | Unitranche Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[54] 996    
Fair value at the ending 995 [4],[55]   996 [2],[54]
Investment, Identifier [Axis]: Gas Media Holdings, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Gas Media Holdings, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 530    
Fair value at the ending 256 [4],[13]   530 [2],[10]
Investment, Identifier [Axis]: Gas Media Holdings, LLC (Shares of common stock) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 3,424    
Number of shares held 4,790    
Investment, Identifier [Axis]: Gas Media Holdings, LLC (shares of common stock) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 4,194    
Fair value at the ending     $ 4,194
Number of shares held     4,790
Investment, Identifier [Axis]: Gas Media Holdings, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[8],[24] 55,887    
Fair value at the ending 54,570 [4],[19],[25],[32]   $ 55,887 [2],[7],[8],[24]
Investment, Identifier [Axis]: Gibson Brands, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 13,093    
Fair value at the ending 10,280 [4],[19],[48]   13,093 [2],[7]
Investment, Identifier [Axis]: Golden State Buyer, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 9,437    
Fair value at the ending 9,419 [4],[19]   9,437 [2],[7]
Investment, Identifier [Axis]: Guardian Restoration Partners Buyer, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 16,641    
Fair value at the ending 17,919 [4],[13],[14]   16,641 [2],[10],[11]
Investment, Identifier [Axis]: Guardian Restoration Partners Buyer, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 2,480    
Fair value at the ending 2,180 [4],[13]   2,480 [2],[10]
Investment, Identifier [Axis]: Guardian Restoration Partners Buyer, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[8],[28] 11,910    
Fair value at the ending 11,880 [4],[29],[32]   11,910 [2],[8],[28]
Investment, Identifier [Axis]: Harlem Acquisition, LLC (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 7,031    
Fair value at the ending $ 6,585 [4]   $ 7,031 [2]
Number of shares held 6,095,244   6,095,244
Investment, Identifier [Axis]: Harlem Acquisition, LLC (Delayed Draw) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13],[14] $ 0    
Investment, Identifier [Axis]: Harlem Acquisition, LLC (Delayed Draw) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13],[14],[27] 9,127    
Investment, Identifier [Axis]: Harlem Acquisition, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 5,110    
Fair value at the ending [2],[10],[11]     $ 5,110
Investment, Identifier [Axis]: Harlem Acquisition, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 914    
Fair value at the ending 1,524 [4],[13]   914 [2],[10]
Investment, Identifier [Axis]: Harlem Acquisition, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[22] 32,078    
Fair value at the ending 31,997 [4],[19],[23]   32,078 [2],[7],[22]
Investment, Identifier [Axis]: Hart Halsey, LLC (Delayed Draw) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Hart Halsey, LLC (Delayed Draw) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 259    
Fair value at the ending 501 [4],[13],[14]   259 [2],[10],[11]
Investment, Identifier [Axis]: Hart Halsey, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 1,500    
Fair value at the ending 1,200 [4],[13]   1,500 [2],[10]
Investment, Identifier [Axis]: Hart Halsey, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 7,515    
Fair value at the ending 7,500 [4],[19]   7,515 [2],[7]
Investment, Identifier [Axis]: Helping Hands Childrens Services Management, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 1,691 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Helping Hands Childrens Services Management, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Helping Hands Childrens Services Management, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[8] 11,443    
Fair value at the ending 11,414 [4],[19],[32]   11,443 [2],[7],[8]
Investment, Identifier [Axis]: Honk Technologies, Inc. (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 2,162    
Number of shares held 2,162,162    
Investment, Identifier [Axis]: Honk Technologies, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13] $ 0    
Investment, Identifier [Axis]: Honk Technologies, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[19] 3,940    
Investment, Identifier [Axis]: Hostaway Midco Oy (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11],[12],[56] 0    
Fair value at the ending 0 [4],[13],[14],[15],[57]   0 [2],[10],[11],[12],[56]
Investment, Identifier [Axis]: Hostaway Midco Oy (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[12],[56] 0    
Fair value at the ending 0 [4],[13],[15],[57]   0 [2],[10],[12],[56]
Investment, Identifier [Axis]: Hostaway Midco Oy | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[26],[56] 25,063    
Fair value at the ending 25,000 [4],[15],[27],[57]   25,063 [2],[12],[26],[56]
Investment, Identifier [Axis]: Huckabee Acquisition, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending [2],[10],[11]     0
Investment, Identifier [Axis]: Huckabee Acquisition, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Huckabee Acquisition, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[8],[26],[28] 29,475    
Fair value at the ending 29,400 [4],[19],[27],[29],[32]   29,475 [2],[7],[8],[26],[28]
Investment, Identifier [Axis]: IDIG Parent, LLC (Class X units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [16] 36    
Fair value at the ending $ 37 [4],[17]   $ 36 [16]
Number of shares held 20,049 [17]   20,049,000 [16]
Investment, Identifier [Axis]: IDIG Parent, LLC (Shares of common stock) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [16] $ 164    
Fair value at the ending $ 148 [4],[17]   $ 164 [16]
Number of shares held 192,908 [17]   192,908 [16]
Investment, Identifier [Axis]: IF & P Holdings Company, LLC (Class A preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 357    
Fair value at the ending $ 554 [4]   $ 357
Number of shares held 1,566   1,566
Investment, Identifier [Axis]: IF & P Holdings Company, LLC (Class B common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 0    
Fair value at the ending $ 0 [4]   $ 0
Number of shares held 1,566   1,566
Investment, Identifier [Axis]: IF & P Holdings Company, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] $ 0    
Fair value at the ending [2],[10],[11]     $ 0
Investment, Identifier [Axis]: IF & P Holdings Company, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 4,188    
Fair value at the ending 4,876 [4],[13]   4,188 [2],[10]
Investment, Identifier [Axis]: IF & P Holdings Company, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 22,649    
Fair value at the ending 22,778 [4],[27]   22,649 [2],[26]
Investment, Identifier [Axis]: IF & P Holdings Company, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 6,419    
Fair value at the ending 6,448 [4],[27]   6,419 [2],[26]
Investment, Identifier [Axis]: IF & P Holdings Company, LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,061    
Fair value at the ending 1,068 [4]   1,061 [2]
Investment, Identifier [Axis]: IMMEC Buyer (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending [2],[10],[11]     0
Investment, Identifier [Axis]: IMMEC Buyer (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 212    
Fair value at the ending 212 [4],[13]   212 [2],[10]
Investment, Identifier [Axis]: IMMEC Buyer 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[19] 3,771    
Investment, Identifier [Axis]: IMMEC Buyer 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[19] 8,904    
Investment, Identifier [Axis]: IMMEC Buyer 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 4,261    
Investment, Identifier [Axis]: IMMEC Buyer | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 8,900    
Fair value at the ending [2],[7]     8,900
Investment, Identifier [Axis]: Incompass, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 2,117    
Fair value at the ending 2,111 [4]   2,117 [2]
Investment, Identifier [Axis]: Incompass, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[8],[26] 24,096    
Fair value at the ending 24,035 [4],[27],[32]   24,096 [2],[8],[26]
Investment, Identifier [Axis]: Independence Buyer, Inc. (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 0    
Fair value at the ending $ 0 [4]   $ 0 [2]
Number of shares held 169   169
Investment, Identifier [Axis]: Independence Buyer, Inc. (Class B units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 0    
Fair value at the ending $ 0 [4]   $ 0 [2]
Number of shares held 872   872
Investment, Identifier [Axis]: Independence Buyer, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] $ 911    
Fair value at the ending 850 [4],[13],[36]   $ 911 [2],[10]
Investment, Identifier [Axis]: Independence Buyer, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] 8,207    
Fair value at the ending 7,647 [4],[21],[36]   8,207 [2],[18]
Investment, Identifier [Axis]: Inmar, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 9,850    
Fair value at the ending 4,748 [4],[48]   9,850 [2]
Investment, Identifier [Axis]: Innovative Artists Entertainment, LLC (Equity commitment funded) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[17],[58] 2,402    
Amount of total commitment [17],[58] 2,445    
Total equity investment [17],[58] 3,536    
Investment, Identifier [Axis]: Innovative Artists Entertainment, LLC (Equity commitment) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [16],[59] 2,109    
Fair value at the ending [16],[59]     2,109
Amount of total commitment [16],[59]     2,445
Total equity investment [16],[59]     3,536
Investment, Identifier [Axis]: Innovative Artists Entertainment, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Innovative Artists Entertainment, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[24] 20,045    
Fair value at the ending 20,609 [4],[19],[25]   20,045 [2],[7],[24]
Investment, Identifier [Axis]: InsideRE, LLC (Class A common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 327    
Fair value at the ending $ 278 [4],[17]   $ 327 [2],[16]
Number of shares held 284,853 [17]   284,853 [16]
Investment, Identifier [Axis]: InsideRE, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] $ 382    
Fair value at the ending 381 [4],[13],[14]   $ 382 [2],[10],[11]
Investment, Identifier [Axis]: InsideRE, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 289    
Fair value at the ending 547 [4],[13]   289 [2],[10]
Investment, Identifier [Axis]: InsideRE, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[18] 7,202    
Fair value at the ending 7,184 [4],[19],[21]   7,202 [2],[7],[18]
Investment, Identifier [Axis]: InsideRE, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9] 2,799    
Fair value at the ending 2,792 [4],[20]   2,799 [2],[9]
Investment, Identifier [Axis]: Interstate BidCo, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Interstate BidCo, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Interstate BidCo, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[8],[26] 14,722    
Fair value at the ending 14,685 [4],[19],[27],[32]   14,722 [2],[7],[8],[26]
Investment, Identifier [Axis]: Interstate BidCo, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[22],[28] 7,111    
Fair value at the ending 7,093 [4],[13],[23],[29]   7,111 [2],[22],[28]
Investment, Identifier [Axis]: Interstate BidCo, LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 8,205    
Fair value at the ending 8,184 [4],[19]   8,205 [2],[7]
Investment, Identifier [Axis]: Interstate BidCo, LLC 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 12,384    
Fair value at the ending 12,353 [4],[19],[27]   12,384 [2],[7]
Investment, Identifier [Axis]: Interstate BidCo, LLC 5 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 10,898    
Fair value at the ending 10,871 [4],[25]   10,898 [2]
Investment, Identifier [Axis]: Ivanti Software, Inc. | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[60] 0    
Fair value at the ending 0 [4]   0 [2],[60]
Investment, Identifier [Axis]: Ivanti Software, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[60] 0    
Fair value at the ending [2],[60]     0
Investment, Identifier [Axis]: Ivex Holdco Inc. and Induspac Holdco Inc. (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11],[12],[45] 0    
Fair value at the ending 0 [4],[13],[14],[15],[46]   0 [2],[10],[11],[12],[45]
Investment, Identifier [Axis]: Ivex Holdco Inc. and Induspac Holdco Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[12],[45] 2,744    
Fair value at the ending 2,744 [4],[13],[15],[46]   2,744 [2],[10],[12],[45]
Investment, Identifier [Axis]: Ivex Holdco Inc. and Induspac Holdco Inc. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[22],[28],[45] 13,978    
Fair value at the ending 13,943 [4],[15],[19],[29],[46]   13,978 [2],[12],[22],[28],[45]
Investment, Identifier [Axis]: Ivex Holdco Inc. and Induspac Holdco Inc. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[22],[45] 1,472    
Fair value at the ending 1,468 [4],[15],[19],[46]   1,472 [2],[12],[22],[45]
Investment, Identifier [Axis]: Ivex Holdco Inc. and Induspac Holdco Inc. 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[22],[45] 6,641    
Fair value at the ending 6,624 [4],[15],[23],[46]   6,641 [2],[12],[22],[45]
Investment, Identifier [Axis]: Ivex Holdco Inc. and Induspac Holdco Inc. 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[22],[45] 3,577    
Fair value at the ending 3,568 [4],[15],[23],[46]   3,577 [2],[12],[22],[45]
Investment, Identifier [Axis]: Izzio Artisan Bakery, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 19,060    
Fair value at the ending 23,229 [4],[13],[14]   19,060 [2],[10],[11]
Investment, Identifier [Axis]: Izzio Artisan Bakery, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[22] 14,369    
Fair value at the ending 14,375 [4],[20],[23]   14,369 [2],[9],[22]
Investment, Identifier [Axis]: Izzio Artisan Bakery, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[26] 10,318    
Fair value at the ending 10,322 [4],[19],[27]   10,318 [2],[7],[26]
Investment, Identifier [Axis]: J2 BWA Funding III, LLC (Commitment to purchase equity) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[16],[61] 811    
Fair value at the ending 1,119 [4],[15],[17],[62]   811 [2],[12],[16],[61]
Investment, Identifier [Axis]: J2 BWA Funding III, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11],[12] 3,556    
Fair value at the ending 3,610 [4],[13],[14],[15]   3,556 [2],[10],[11],[12]
Investment, Identifier [Axis]: J2 BWA Funding LLC (Profit sharing) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[16] 56    
Fair value at the ending 56 [4],[15],[17]   56 [2],[12],[16]
Investment, Identifier [Axis]: J2 BWA Funding LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[12] 1,706    
Fair value at the ending 1,595 [4],[13],[15]   1,706 [2],[10],[12]
Investment, Identifier [Axis]: JDX Studio, LLC (Class A preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 799    
Fair value at the ending $ 799 [4],[17]   $ 799 [2],[16]
Number of shares held 799,232 [17]   799,232 [16]
Investment, Identifier [Axis]: JDX Studio, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] $ 0    
Fair value at the ending 0 [4],[13],[14]   $ 0 [2],[10],[11]
Investment, Identifier [Axis]: JDX Studio, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: JDX Studio, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[22] 9,929    
Fair value at the ending 9,974 [4],[23]   9,929 [2],[22]
Investment, Identifier [Axis]: Jesse Studio Mezz, LLC (Delayed Draw) | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11],[12] 39,383    
Fair value at the ending 41,310 [4],[13],[14],[15]   39,383 [2],[10],[11],[12]
Investment, Identifier [Axis]: Jobnimbus Holdings, LLC (Common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 852    
Fair value at the ending $ 775 [4]   $ 852
Number of shares held 214,092   214,092
Investment, Identifier [Axis]: Jobnimbus Holdings, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] $ 0    
Fair value at the ending 0 [4],[13],[14]   $ 0 [2],[10],[11]
Investment, Identifier [Axis]: Jobnimbus Holdings, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Jobnimbus Holdings, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[24],[28] 32,000    
Fair value at the ending 32,000 [4],[20],[25],[29]   32,000 [2],[9],[24],[28]
Investment, Identifier [Axis]: Jumpstart Holdco, Inc. (Class A common units)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 0    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 0    
Fair value at the ending $ 0   0
Number of units held 188,000    
Investment, Identifier [Axis]: Jumpstart Holdco, Inc. (Class A common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] $ 0    
Fair value at the ending $ 0 [4],[6]   $ 0 [2],[5]
Number of shares held 188,000   188,000 [5]
Investment, Identifier [Axis]: Jumpstart Holdco, Inc. (Class A units)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 0    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 0    
Fair value at the ending $ 0   $ 0
Number of units held 1,566,667    
Investment, Identifier [Axis]: Jumpstart Holdco, Inc. (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] $ 0    
Fair value at the ending $ 0 [4],[6]   $ 0 [2],[5]
Number of shares held 1,566,667   1,566,667 [5]
Investment, Identifier [Axis]: Jumpstart Holdco, Inc. (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 4,431    
Transfers in (out) 0    
Purchases (cost) 705    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) (159)    
Fair value at the ending 4,977   $ 4,431
Investment, Identifier [Axis]: Jumpstart Holdco, Inc. (Delayed Draw) | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[10],[11],[34] 4,431    
Fair value at the ending 4,977 [4],[6],[13],[14],[36]   4,431 [2],[5],[10],[11],[34]
Investment, Identifier [Axis]: Jumpstart Holdco, Inc. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 748    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) (14)    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 21    
Fair value at the ending 755   748
Investment, Identifier [Axis]: Jumpstart Holdco, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[34] 748    
Fair value at the ending 755 [4],[6],[36]   748 [2],[5],[34]
Investment, Identifier [Axis]: K2 Services Venture LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: K2 Services Venture LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 55,057    
Fair value at the ending 55,009 [4],[19],[23],[25],[32]   55,057 [2],[7]
Investment, Identifier [Axis]: K2 Services Venture LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 13,464    
Fair value at the ending 13,452 [4],[19],[32]   13,464 [2],[7]
Investment, Identifier [Axis]: KL Moon Acquisition, LLC (Equity) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 272    
Fair value at the ending 207 [4]   272 [2]
Investment, Identifier [Axis]: KL Moon Acquisition, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 1,260    
Fair value at the ending 1,402 [4],[13]   1,260 [2],[10]
Investment, Identifier [Axis]: KL Moon Acquisition, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 4,234    
Fair value at the ending 4,169 [4]   4,234 [2]
Investment, Identifier [Axis]: KL Moon Acquisition, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 9,873    
Fair value at the ending 9,723 [4]   9,873 [2]
Investment, Identifier [Axis]: KL Moon Acquisition, LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,969    
Fair value at the ending 1,934 [4]   1,969 [2]
Investment, Identifier [Axis]: KT Naples UB LLC | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12] 12,612    
Fair value at the ending 9,957 [4],[15]   12,612 [2],[12]
Investment, Identifier [Axis]: Key Container Borrower, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13],[14] 0    
Investment, Identifier [Axis]: Key Container Borrower, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13] 0    
Investment, Identifier [Axis]: Key Container Borrower, LLC (Units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[63] $ 556    
Number of shares held [63] 555,556    
Investment, Identifier [Axis]: Key Container Borrower, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 3,960    
Investment, Identifier [Axis]: Kingsley Gate Partners, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,198    
Fair value at the ending 1,200 [4]   1,198 [2]
Investment, Identifier [Axis]: Kingsley Gate Partners, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 2,913    
Fair value at the ending 2,910 [4],[27]   2,913 [2],[26]
Investment, Identifier [Axis]: Kingsley Gate Partners, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 936    
Fair value at the ending 934 [4],[19]   936 [2],[7]
Investment, Identifier [Axis]: Kingsley Gate Partners, LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,352    
Fair value at the ending 1,351 [4],[27]   1,352 [2]
Investment, Identifier [Axis]: Learn-It Systems, LLC (Delayed Draw) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 1,159    
Fair value at the ending 1,159 [4],[13],[14]   1,159 [2],[10],[11]
Investment, Identifier [Axis]: Learn-It Systems, LLC (Delayed Draw) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Learn-It Systems, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Learn-It Systems, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 52,263    
Fair value at the ending 52,263 [4],[19],[27]   52,263 [2],[26]
Investment, Identifier [Axis]: Lessen LLC (Preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 0    
Fair value at the ending $ 0 [4]   $ 0 [2]
Number of shares held 128,737   128,737
Investment, Identifier [Axis]: Lessen LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 7,276    
Fair value at the ending 6,954 [4]   $ 7,276 [2]
Investment, Identifier [Axis]: Lifted Trucks Holdings, LLC (Class A shares) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 250    
Fair value at the ending $ 293 [4],[17]   $ 250 [2],[16]
Number of shares held 158,730 [17]   158,730 [16]
Investment, Identifier [Axis]: Lifted Trucks Holdings, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[13] $ 1,190    
Fair value at the ending [13] 1,508 [4]   $ 1,190 [2]
Investment, Identifier [Axis]: Lifted Trucks Holdings, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[18] 9,600    
Fair value at the ending 9,575 [4],[19],[21]   9,600 [2],[7],[18]
Investment, Identifier [Axis]: Lifted Trucks Holdings, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 11,907    
Fair value at the ending 11,889 [4],[19]   11,907 [2],[7]
Investment, Identifier [Axis]: Light Wave Dental Management, LLC (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [16] 2,984    
Fair value at the ending $ 2,970 [4],[17]   $ 2,984 [16]
Number of shares held 321,105 [17]   314,621 [16]
Investment, Identifier [Axis]: Light Wave Dental Management, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] $ 4,364    
Fair value at the ending 4,373 [4],[13]   $ 4,364 [2],[10]
Investment, Identifier [Axis]: Light Wave Dental Management, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 2,926    
Fair value at the ending 2,925 [4],[19]   2,926 [2],[7]
Investment, Identifier [Axis]: Light Wave Dental Management, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 4,926    
Fair value at the ending 4,924 [4],[19]   4,926 [2],[7]
Investment, Identifier [Axis]: Light Wave Dental Management, LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 526    
Fair value at the ending 525 [4],[19]   526 [2],[7]
Investment, Identifier [Axis]: Light Wave Dental Management, LLC 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[8],[9],[22] 26,759    
Fair value at the ending 26,744 [4],[19],[20],[23],[32]   26,759 [2],[7],[8],[9],[22]
Investment, Identifier [Axis]: Long Grove Pharmaceuticals, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Long Grove Pharmaceuticals, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 14,409    
Fair value at the ending 14,555 [4]   14,409 [2]
Investment, Identifier [Axis]: MB Purchaser, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: MB Purchaser, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: MB Purchaser, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[8] 14,627    
Fair value at the ending 14,590 [4],[19],[32]   14,627 [2],[7],[8]
Investment, Identifier [Axis]: MB Purchaser, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 12,278    
Fair value at the ending 12,247 [4],[19]   12,278 [2]
Investment, Identifier [Axis]: MB Purchaser, LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 5,460    
Fair value at the ending 5,446 [4],[19]   5,460 [2],[7]
Investment, Identifier [Axis]: MC Aviation Limited (Commitment to purchase the equity) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 23,603    
Fair value at the ending $ 24,651 [4],[6]   $ 23,603 [2],[5]
Percentage of equity commitments 40.00%   40.00% [5]
Investment, Identifier [Axis]: MC Aviation Limited, Equity Securities, (commitment to purchase the equity)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 23,603    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 1,048    
Fair value at the ending 24,651   $ 23,603
Investment, Identifier [Axis]: MC Voyager SPV II LLC (Equity commitment funded)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 20,522 $ 0 0
Transfers in (out) 0 0  
Purchases (cost) 275 7,490  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 0 (150)  
Fair value at the ending 20,797 7,340 20,522
Investment, Identifier [Axis]: MC Voyager SPV II LLC (Equity commitment funded) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[12],[64] 20,522    
Fair value at the ending 20,797 [4],[6],[15],[65]   20,522 [2],[5],[12],[64]
Amount of total commitment 20,797 [15],[65]   20,522 [5],[12],[64]
Total equity investment 45,000 [15],[65]   45,000 [5],[12],[64]
Investment, Identifier [Axis]: MC Voyager SPV II LLC (Equity commitment)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Amount of total commitment 20,797 7,490  
Total equity investment 45,000 45,000  
Investment, Identifier [Axis]: MEI Buyer LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 2,248    
Fair value at the ending 2,242 [4],[13],[14]   2,248 [2],[10],[11]
Investment, Identifier [Axis]: MEI Buyer LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: MEI Buyer LLC (Units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 6,061    
Fair value at the ending $ 7,688 [4]   $ 6,061 [2]
Number of shares held 2,275   2,275
Investment, Identifier [Axis]: MEI Buyer LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[22],[28] $ 25,283    
Fair value at the ending 25,218 [4],[19],[23],[29]   $ 25,283 [2],[7],[22],[28]
Investment, Identifier [Axis]: MEI Buyer LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[8],[22] 14,196    
Fair value at the ending 14,160 [4],[23],[32]   14,196 [2],[8],[22]
Investment, Identifier [Axis]: MEI Buyer LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 4,043    
Fair value at the ending 4,033 [4],[19]   4,043 [2],[7]
Investment, Identifier [Axis]: MV Receivables II, LLC (Shares of common stock) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[16] 0    
Fair value at the ending $ 0 [4],[15],[17]   $ 0 [2],[12],[16]
Number of shares held 1,822 [15],[17]   1,822 [12],[16]
Investment, Identifier [Axis]: MV Receivables II, LLC (Warrant to purchase the equity) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[16] $ 0    
Fair value at the ending 0 [4],[15],[17]   $ 0 [2],[12],[16]
Investment, Identifier [Axis]: MV Receivables II, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[34] 4,452    
Fair value at the ending 4,452 [4],[15],[36]   4,452 [2],[12],[34]
Investment, Identifier [Axis]: MYOB US Borrower, LLC (fka ETA Australia Holdings III Pty Ltd and MYOB US Borrower LLC) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[66],[67] 26,281    
Fair value at the ending [2],[12],[66],[67]     26,281
Investment, Identifier [Axis]: MYOB US Borrower, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[15],[68],[69] 27,785    
Investment, Identifier [Axis]: Madison Logic Holdings, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Madison Logic Holdings, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 12,586    
Fair value at the ending 12,539 [4],[27]   12,586 [2],[26]
Investment, Identifier [Axis]: Maltese Diplomat Owner 100 LLC (Delayed Draw) | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11],[12] 50,120    
Fair value at the ending 50,025 [4],[13],[14],[15]   50,120 [2],[10],[11],[12]
Investment, Identifier [Axis]: Mammoth Holdings, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 655    
Fair value at the ending 0 [4],[13]   655 [2],[10]
Investment, Identifier [Axis]: Mammoth Holdings, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[8],[22] 21,008    
Fair value at the ending 20,943 [4],[23],[32]   21,008 [2],[8],[22]
Investment, Identifier [Axis]: Mammoth Holdings, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 5,280    
Fair value at the ending 5,264 [4]   5,280 [2]
Investment, Identifier [Axis]: Matterhorn Finco, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13],[15] 0    
Investment, Identifier [Axis]: Matterhorn Finco, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[15] 4,290    
Investment, Identifier [Axis]: Max US Bidco Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 7,796    
Fair value at the ending 4,078 [4],[27],[48]   7,796 [2]
Investment, Identifier [Axis]: McKissock Investment Holdings, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 9,364    
Fair value at the ending 5,185 [4]   9,364 [2]
Investment, Identifier [Axis]: Medallia, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] 9,875    
Fair value at the ending 8,241 [4],[21],[36]   9,875 [2],[18]
Investment, Identifier [Axis]: Milrose Consultants, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 1,154    
Fair value at the ending 1,154 [4],[13]   1,154 [2],[10]
Investment, Identifier [Axis]: Milrose Consultants, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[8],[26],[28] 44,053    
Fair value at the ending 44,138 [4],[19],[27],[29],[32]   44,053 [2],[7],[8],[26],[28]
Investment, Identifier [Axis]: Milrose Consultants, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[24] 1,589    
Fair value at the ending 1,593 [4],[25]   1,589 [2],[24]
Investment, Identifier [Axis]: Milrose Consultants, LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[24] 3,536    
Fair value at the ending 3,543 [4],[25]   3,536 [2],[24]
Investment, Identifier [Axis]: Milrose Consultants, LLC 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 9,209    
Fair value at the ending 9,227 [4],[19],[32]   9,209 [2],[7]
Investment, Identifier [Axis]: Milrose Consultants, LLC 5 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 4,204    
Fair value at the ending 4,212 [4],[19]   4,204 [2],[7]
Investment, Identifier [Axis]: Mindbody, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending [2],[10]     0
Investment, Identifier [Axis]: Mindbody, Inc. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 690    
Fair value at the ending [2],[26]     690
Investment, Identifier [Axis]: Mindbody, Inc. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26],[28] 22,655    
Fair value at the ending [2],[26],[28]     22,655
Investment, Identifier [Axis]: Mission Critical Group, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 1,559    
Fair value at the ending 1,546 [4],[13],[14]   1,559 [2],[10],[11]
Investment, Identifier [Axis]: Mission Critical Group, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Mission Critical Group, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 7,013    
Fair value at the ending 6,952 [4],[19]   7,013 [2],[7]
Investment, Identifier [Axis]: Mooring Primary, LLC (Common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 0    
Fair value at the ending $ 206 [4]   $ 0 [2]
Number of shares held 2,576   2,576
Investment, Identifier [Axis]: Mooring Primary, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] $ 0    
Fair value at the ending 0 [4],[13],[14]   $ 0 [2],[10],[11]
Investment, Identifier [Axis]: Mooring Primary, LLC (Preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 2,522    
Fair value at the ending $ 2,574 [4]   $ 2,522 [2]
Number of shares held 2,574   2,574
Investment, Identifier [Axis]: Mooring Primary, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] $ 0    
Fair value at the ending 0 [4],[13]   $ 0 [2],[10]
Investment, Identifier [Axis]: Mooring Primary, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[24] 13,885    
Fair value at the ending 13,878 [4],[19],[25]   13,885 [2],[7],[24]
Investment, Identifier [Axis]: NBPT Acquisition LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 664    
Fair value at the ending 978 [4],[13],[14]   664 [2],[10],[11]
Investment, Identifier [Axis]: NBPT Acquisition LLC (Preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[70] 4,582    
Fair value at the ending $ 3,836 [4],[71]   $ 4,582 [2],[70]
Number of shares held 4,421 [71]   4,421 [70]
Investment, Identifier [Axis]: NBPT Acquisition LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] $ 0    
Fair value at the ending 468 [4],[13]   $ 0 [2],[10]
Investment, Identifier [Axis]: NBPT Acquisition LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[24] 20,886    
Fair value at the ending 20,652 [4],[25]   20,886 [2],[24]
Investment, Identifier [Axis]: NFM & J, L.P. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 1,846    
Fair value at the ending 2,282 [4],[13]   1,846 [2],[10]
Investment, Identifier [Axis]: NFM & J, L.P. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[18],[26] 13,050    
Fair value at the ending 12,986 [4],[20],[21],[27]   13,050 [2],[9],[18],[26]
Investment, Identifier [Axis]: NFM & J, L.P. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 818    
Fair value at the ending 815 [4]   818 [2]
Investment, Identifier [Axis]: NFS Intermediate HoldCo, LLC (Series B preferred units)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 60,650    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 1,253    
Fair value at the ending $ 61,903   60,650
Number of units held 53,255    
Investment, Identifier [Axis]: NFS Intermediate HoldCo, LLC (Series B preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[12],[16] $ 60,650    
Fair value at the ending $ 61,903 [4],[6],[15],[17]   $ 60,650 [2],[5],[12],[16]
Number of shares held 53,255 [15],[17]   53,255 [5],[12],[16]
Investment, Identifier [Axis]: NQ PE Project Colosseum Midco Inc. (Common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 142    
Fair value at the ending $ 133 [4]   $ 142 [2]
Number of shares held 1,364,614   1,364,614
Investment, Identifier [Axis]: NQ PE Project Colosseum Midco Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] $ 0    
Fair value at the ending 0 [4],[13]   $ 0 [2],[10]
Investment, Identifier [Axis]: NQ PE Project Colosseum Midco Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 12,596    
Fair value at the ending 12,729 [4]   12,596 [2]
Investment, Identifier [Axis]: Narrative Strategies Acquisition, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Narrative Strategies Acquisition, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Narrative Strategies Acquisition, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[24] 7,781    
Fair value at the ending 7,761 [4],[19],[25]   7,781 [2],[7],[24]
Investment, Identifier [Axis]: Nastel Technologies, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 3,496 3,478 3,478
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 4 4  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 0 0  
Fair value at the ending 3,500 3,482 3,496
Investment, Identifier [Axis]: Nastel Technologies, LLC (Class A units)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 5,504 4,611 4,611
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 140 34  
Fair value at the ending $ 5,644 $ 4,645 5,504
Number of units held 3,408 3,408  
Investment, Identifier [Axis]: Nastel Technologies, LLC (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[16] $ 5,504    
Fair value at the ending $ 5,644 [4],[6],[17]   $ 5,504 [2],[5],[16]
Number of shares held 3,408 [17]   3,408 [5],[16]
Investment, Identifier [Axis]: Nastel Technologies, LLC (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 0 $ 0 $ 0
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 0 0  
Fair value at the ending 0 0 0
Investment, Identifier [Axis]: Nastel Technologies, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[10] 0    
Fair value at the ending 0 [4],[6],[13]   0 [2],[5],[10]
Investment, Identifier [Axis]: Nastel Technologies, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[18] 3,496    
Fair value at the ending 3,500 [4],[6],[21]   3,496 [2],[5],[18]
Investment, Identifier [Axis]: Nasuni Corporation (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending [2],[10]     0
Investment, Identifier [Axis]: Nasuni Corporation (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13] 0    
Investment, Identifier [Axis]: Nasuni Corporation 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[20],[29] 15,060    
Investment, Identifier [Axis]: Nasuni Corporation 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[23] 7,844    
Investment, Identifier [Axis]: Nasuni Corporation | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[28] 15,150    
Fair value at the ending [2],[9],[28]     15,150
Investment, Identifier [Axis]: NationsBenefits, LLC (Common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 2,665    
Fair value at the ending $ 2,754 [4],[17]   $ 2,665 [2],[16]
Number of shares held 326,667 [17]   326,667 [16]
Investment, Identifier [Axis]: NationsBenefits, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] $ 1,444    
Fair value at the ending 9,323 [4],[13],[14]   $ 1,444 [2],[10],[11]
Investment, Identifier [Axis]: NationsBenefits, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 7,219    
Fair value at the ending 7,219 [4]   7,219 [2]
Investment, Identifier [Axis]: NationsBenefits, LLC (Series B units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 5,333    
Fair value at the ending $ 5,289 [4],[17]   $ 5,333 [2],[16]
Number of shares held 369,827 [17]   369,827 [16]
Investment, Identifier [Axis]: NationsBenefits, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[8],[22],[24],[28] $ 64,326    
Fair value at the ending 64,164 [4],[19],[23],[25],[29],[32]   $ 64,326 [2],[7],[8],[22],[24],[28]
Investment, Identifier [Axis]: Nellson Nutraceutical, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Nellson Nutraceutical, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 1,098    
Fair value at the ending 1,797 [4],[13]   1,098 [2],[10]
Investment, Identifier [Axis]: Nellson Nutraceutical, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[24] 25,025    
Fair value at the ending 24,937 [4],[19],[25]   25,025 [2],[7],[24]
Investment, Identifier [Axis]: Nellson Nutraceutical, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 7,429    
Fair value at the ending 7,403 [4],[19]   7,429 [2],[7]
Investment, Identifier [Axis]: New Engen, Inc. (Class B common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 182    
Fair value at the ending $ 125 [4]   $ 182
Number of shares held 5,067   5,067
Investment, Identifier [Axis]: New Engen, Inc. (Preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 417    
Fair value at the ending $ 401 [4]   $ 417
Number of shares held 417   417
Investment, Identifier [Axis]: New Engen, Inc. 1 | Unitranche Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[18] $ 7,048    
Fair value at the ending [2],[7],[18]     $ 7,048
Investment, Identifier [Axis]: New Engen, Inc. 2 | Unitranche Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[18] 7,772    
Fair value at the ending [2],[7],[18]     7,772
Investment, Identifier [Axis]: New Engen, Inc. 3 | Unitranche Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9] 2,370    
Fair value at the ending [2],[9]     2,370
Investment, Identifier [Axis]: Niteo Products, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Niteo Products, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 23,148    
Fair value at the ending 23,500 [4],[19]   23,148 [2],[7]
Investment, Identifier [Axis]: Northeast Contracting Company, LLC (Class A-2 units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 6,293    
Fair value at the ending $ 6,263 [4],[17]   $ 6,293 [2],[16]
Number of shares held 6,191,218 [17]   6,191,218 [16]
Investment, Identifier [Axis]: Northeast Contracting Company, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] $ 341    
Fair value at the ending 341 [4],[13]   $ 341 [2],[10]
Investment, Identifier [Axis]: Northeast Contracting Company, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 7,399    
Fair value at the ending 7,402 [4]   7,399 [2]
Investment, Identifier [Axis]: OPOC Acquisition, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 361    
Fair value at the ending 364 [4],[13],[14]   361 [2],[10],[11]
Investment, Identifier [Axis]: OPOC Acquisition, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: OPOC Acquisition, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[22] 12,944    
Fair value at the ending 12,960 [4],[23]   12,944 [2],[22]
Investment, Identifier [Axis]: OWL Acquisition, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 277    
Fair value at the ending 269 [4],[13],[14]   277 [2],[10],[11]
Investment, Identifier [Axis]: OWL Acquisition, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 616 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: OWL Acquisition, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[26] 16,586    
Fair value at the ending 16,143 [4],[27]   16,586 [2],[7],[26]
Investment, Identifier [Axis]: Onix Networking Corp. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Onix Networking Corp. (Shares of common stock) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 2,110    
Fair value at the ending $ 2,074 [4]   $ 2,110 [2]
Number of shares held 2,000,000   2,000,000
Investment, Identifier [Axis]: Onix Networking Corp. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] $ 4,478    
Fair value at the ending 4,466 [4],[19]   $ 4,478 [2],[7]
Investment, Identifier [Axis]: Onix Networking Corp. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[26] 14,700    
Fair value at the ending 14,663 [4],[19],[27]   14,700 [2],[7],[26]
Investment, Identifier [Axis]: Optomi, LLC (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [16] 615    
Fair value at the ending $ 590 [4],[17]   $ 615 [16]
Number of shares held 278 [17]   278 [16]
Investment, Identifier [Axis]: Optomi, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] $ 1,594    
Fair value at the ending 1,807 [4],[13]   $ 1,594 [2],[10]
Investment, Identifier [Axis]: Optomi, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[26] 5,512    
Fair value at the ending 5,498 [4],[19],[20],[27]   5,512 [2],[9],[26]
Investment, Identifier [Axis]: Optomi, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[18] 12,994    
Fair value at the ending 12,960 [4],[20],[21]   12,994 [2],[9],[18]
Investment, Identifier [Axis]: Ossio, Inc. (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13],[14] 0    
Investment, Identifier [Axis]: Ossio, Inc. (Warrant shares) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 0    
Number of shares held 30,279    
Investment, Identifier [Axis]: Ossio, Inc. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 19,845    
Investment, Identifier [Axis]: Ossio, Inc. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 2,500    
Investment, Identifier [Axis]: PAI Middle Tier, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 538    
Fair value at the ending 377 [4],[13]   538 [2],[10]
Investment, Identifier [Axis]: PAI Middle Tier, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[24],[28] 17,838    
Fair value at the ending 17,724 [4],[25],[29]   17,838 [2],[24],[28]
Investment, Identifier [Axis]: PC Pest Buyer, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 32,367    
Fair value at the ending 34,678 [4],[13],[14]   32,367 [2],[10],[11]
Investment, Identifier [Axis]: PC Pest Buyer, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: PC Pest Buyer, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[26] 13,867    
Fair value at the ending 13,825 [4],[19],[27]   13,867 [2],[7],[26]
Investment, Identifier [Axis]: PFI Lower Midco, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 5,548    
Fair value at the ending 5,514 [4],[19]   5,548 [2],[7]
Investment, Identifier [Axis]: PNE Interco LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 4,419    
Fair value at the ending 4,364 [4],[13],[14],[27]   4,419 [2],[10],[11]
Investment, Identifier [Axis]: PNE Interco LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 1,180 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: PNE Interco LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[18],[22],[26] 13,790    
Fair value at the ending 13,755 [4],[19],[21],[23],[27]   13,790 [2],[7],[18],[22],[26]
Investment, Identifier [Axis]: PRGX Global, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 1,970    
Fair value at the ending 1,915 [4],[13]   1,970 [2],[10]
Investment, Identifier [Axis]: PRGX Global, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[22],[28] 35,673    
Fair value at the ending 35,066 [4],[19],[23],[29]   35,673 [2],[7],[22],[28]
Investment, Identifier [Axis]: Palmdale Oil Company LLC (Delayed Draw) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending [2],[10],[11]     0
Investment, Identifier [Axis]: Palmdale Oil Company LLC (Delayed Draw) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending [2],[10],[11]     0
Investment, Identifier [Axis]: Palmdale Oil Company LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13],[14] 0    
Investment, Identifier [Axis]: Palmdale Oil Company LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 4,326    
Fair value at the ending 5,672 [4],[19]   4,326 [2],[7]
Investment, Identifier [Axis]: Panda Acquisition, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 9,630    
Fair value at the ending 9,948 [4]   9,630 [2]
Investment, Identifier [Axis]: Parkhub, Inc. (Delayed Draw) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 8,955    
Fair value at the ending 12,053 [4],[13],[14]   8,955 [2],[10],[11]
Investment, Identifier [Axis]: Parkhub, Inc. (Delayed Draw) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 1,592    
Fair value at the ending 1,609 [4],[13],[14]   1,592 [2],[10],[11]
Investment, Identifier [Axis]: Parkhub, Inc. (Delayed Draw) 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11],[12],[43] 3,155    
Fair value at the ending 3,093 [4],[13],[14],[15],[44]   3,155 [2],[10],[11],[12],[43]
Investment, Identifier [Axis]: Parkhub, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 2,020    
Fair value at the ending 2,020 [4],[13]   2,020 [2],[10]
Investment, Identifier [Axis]: Parkhub, Inc. (Series A preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,761    
Fair value at the ending $ 1,776 [4]   $ 1,761 [2]
Number of shares held 1,178,344   1,178,344
Investment, Identifier [Axis]: Parkhub, Inc. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[28] $ 16,369    
Fair value at the ending 16,369 [4],[29]   $ 16,369 [2],[28]
Investment, Identifier [Axis]: Parkhub, Inc. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[43] 36,110    
Fair value at the ending 35,400 [4],[15],[44]   36,110 [2],[12],[43]
Investment, Identifier [Axis]: Patagonia Holdco LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[26] 10,821    
Fair value at the ending 10,355 [4],[15],[19]   10,821 [2],[12],[26]
Investment, Identifier [Axis]: Phia Purchaser, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Phia Purchaser, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Phia Purchaser, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 7,920    
Fair value at the ending 7,988 [4],[32]   7,920 [2]
Investment, Identifier [Axis]: Polychem Acquisition, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,582    
Fair value at the ending 1,502 [4]   1,582 [2]
Investment, Identifier [Axis]: Power Stop, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[22] 4,584    
Fair value at the ending 4,523 [4],[23]   4,584 [2],[22]
Investment, Identifier [Axis]: PrecisionX Group, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 600    
Fair value at the ending [2],[10]     600
Investment, Identifier [Axis]: PrecisionX Group, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 2,536    
Fair value at the ending [2],[7]     2,536
Investment, Identifier [Axis]: PrecisionX Group, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[8],[22] 15,640    
Fair value at the ending [2],[7],[8],[22]     15,640
Investment, Identifier [Axis]: PrecisionX Group, LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 8,034    
Fair value at the ending [2],[7]     8,034
Investment, Identifier [Axis]: PrecisionX Group, LLC 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[24] 5,929    
Fair value at the ending [2],[24]     5,929
Investment, Identifier [Axis]: PrecisionX Group, LLC 5 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[24] 5,966    
Fair value at the ending [2],[24]     5,966
Investment, Identifier [Axis]: PrecisionX Group, LLC 6 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 3,735    
Fair value at the ending [2],[26]     3,735
Investment, Identifier [Axis]: PrecisionX Group, LLC 7 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 1,803    
Fair value at the ending [2],[26]     1,803
Investment, Identifier [Axis]: Premier Roofing L.L.C. (Class A preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 198    
Number of shares held 20    
Investment, Identifier [Axis]: Premier Roofing L.L.C. (Class B common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 1    
Number of shares held 198    
Investment, Identifier [Axis]: Premier Roofing L.L.C. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[34] $ 572    
Fair value at the ending 0 [4],[13],[36]   572 [2],[10],[34]
Investment, Identifier [Axis]: Premier Roofing L.L.C. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 1,533    
Fair value at the ending 2,420 [4],[36]   1,533 [2],[34]
Investment, Identifier [Axis]: Project Accelerate Parent, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Project Accelerate Parent, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 11,714    
Fair value at the ending 11,667 [4],[19]   11,714 [2],[7]
Investment, Identifier [Axis]: Project Tahoe Acquisition Corporation (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13] 0    
Investment, Identifier [Axis]: Project Tahoe Acquisition Corporation | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[19] 14,319    
Investment, Identifier [Axis]: Protecht Group Holdings Pty Ltd (Delayed Draw) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11],[12],[66],[67] 0    
Fair value at the ending 0 [4],[13],[14],[15],[68],[69]   0 [2],[10],[11],[12],[66],[67]
Investment, Identifier [Axis]: Protecht Group Holdings Pty Ltd (Delayed Draw) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11],[12],[66],[67] 0    
Fair value at the ending 669 [4],[13],[14],[15],[68],[69]   0 [2],[10],[11],[12],[66],[67]
Investment, Identifier [Axis]: Protecht Group Holdings Pty Ltd (Revolver) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[12],[66] 0    
Fair value at the ending 0 [4],[13],[15],[68]   0 [2],[10],[12],[66]
Investment, Identifier [Axis]: Protecht Group Holdings Pty Ltd (Revolver) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[12],[66],[67] 0    
Fair value at the ending 0 [4],[13],[15],[68],[69]   0 [2],[10],[12],[66],[67]
Investment, Identifier [Axis]: Protecht Group Holdings Pty Ltd | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[66],[67] 21,140    
Fair value at the ending 22,080 [4],[15],[68],[69]   21,140 [2],[12],[66],[67]
Investment, Identifier [Axis]: Prototek LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[34] 0    
Fair value at the ending 43 [4],[13],[36]   0 [2],[10],[34]
Investment, Identifier [Axis]: Prototek LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 5,139    
Fair value at the ending 4,373 [4],[36]   5,139 [2],[34]
Investment, Identifier [Axis]: Pursuit Buyer, LLC (Class A-1 units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 580    
Number of shares held 5,800    
Investment, Identifier [Axis]: Pursuit Buyer, LLC (Delayed Draw) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13],[14] $ 339    
Investment, Identifier [Axis]: Pursuit Buyer, LLC (Delayed Draw) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13],[14] 0    
Investment, Identifier [Axis]: Pursuit Buyer, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13] 0    
Investment, Identifier [Axis]: Pursuit Buyer, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 14,355    
Investment, Identifier [Axis]: Quest Resource Management Group, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Quest Resource Management Group, LLC (Warrant to purchase the equity) 1 | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 51    
Fair value at the ending 51 [4]   51 [2]
Investment, Identifier [Axis]: Quest Resource Management Group, LLC (Warrant to purchase the equity) 2 | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 36    
Fair value at the ending 36 [4]   36 [2]
Investment, Identifier [Axis]: Quest Resource Management Group, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 12,841    
Fair value at the ending 12,262 [4]   12,841 [2]
Investment, Identifier [Axis]: RC & CY New Orleans Sole Member, LLC | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12] 30,003    
Fair value at the ending 30,060 [4],[15]   30,003 [2],[12]
Investment, Identifier [Axis]: Radiate Holdco, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[60] 10    
Fair value at the ending [2],[60]     10
Investment, Identifier [Axis]: Rampart Exterior Services Buyer, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Rampart Exterior Services Buyer, Inc. (Series A-2 preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 4,154    
Fair value at the ending $ 5,215 [4]   $ 4,154 [2]
Number of shares held 3,967   3,295
Investment, Identifier [Axis]: Rampart Exterior Services Buyer, Inc. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] $ 7,480    
Fair value at the ending 7,461 [4],[19]   $ 7,480 [2],[7]
Investment, Identifier [Axis]: Rampart Exterior Services Buyer, Inc. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 7,142    
Fair value at the ending 5,037 [4]   7,142 [2],[7]
Investment, Identifier [Axis]: Rampart Exterior Services Buyer, Inc. 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 5,178    
Fair value at the ending 7,124 [4],[19]   5,178 [2],[7]
Investment, Identifier [Axis]: Rampart Exterior Services Buyer, Inc. 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[19] 5,165    
Investment, Identifier [Axis]: Randys Holdings, Inc. (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 4,594    
Fair value at the ending 5,432 [4],[13],[14]   4,594 [2],[10],[11]
Investment, Identifier [Axis]: Randys Holdings, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 114 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Randys Holdings, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[18],[26] 16,534    
Fair value at the ending 16,491 [4],[20],[21],[27]   16,534 [2],[9],[18],[26]
Investment, Identifier [Axis]: Really Great Reading Company, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending [2],[10]     0
Investment, Identifier [Axis]: Really Great Reading Company, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13] 0    
Investment, Identifier [Axis]: Really Great Reading Company, Inc. (Series A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 64    
Fair value at the ending $ 16 [4]   $ 64
Number of shares held 369   369
Investment, Identifier [Axis]: Really Great Reading Company, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[9] $ 11,364    
Fair value at the ending 11,174 [4],[19],[20]   $ 11,364 [2],[7],[9]
Investment, Identifier [Axis]: Recorded Future, Inc. (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 0    
Fair value at the ending $ 0 [4]   $ 0
Number of shares held 40,243   40,243
Investment, Identifier [Axis]: Recycled Plastics Industries, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] $ 0    
Fair value at the ending [2],[10]     $ 0
Investment, Identifier [Axis]: Recycled Plastics Industries, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[18] 4,161    
Fair value at the ending [2],[7],[18]     4,161
Investment, Identifier [Axis]: Relevant Industrial, LLC (Delayed Draw) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 417    
Fair value at the ending 416 [4],[13],[14]   417 [2],[10],[11]
Investment, Identifier [Axis]: Relevant Industrial, LLC (Delayed Draw) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Relevant Industrial, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 304    
Fair value at the ending 0 [4],[13]   304 [2],[10]
Investment, Identifier [Axis]: Relevant Industrial, LLC (Units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 4,689    
Fair value at the ending $ 5,657 [4]   $ 4,689
Number of shares held 4,877,048   4,877,048
Investment, Identifier [Axis]: Relevant Industrial, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] $ 17,413    
Fair value at the ending 17,369 [4],[19]   $ 17,413 [2],[7]
Investment, Identifier [Axis]: Relevate Health Group, LLC (Class B common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 43    
Fair value at the ending $ 77 [4]   $ 43 [2]
Number of shares held 96   96
Investment, Identifier [Axis]: Relevate Health Group, LLC (Class X common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 6    
Fair value at the ending $ 11 [4]   $ 6 [2]
Number of shares held 14   14
Investment, Identifier [Axis]: Relevate Health Group, LLC (Class X preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 14    
Fair value at the ending $ 14 [4]   $ 14 [2]
Number of shares held 14   14
Investment, Identifier [Axis]: Relevate Health Group, LLC (Preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 96    
Fair value at the ending $ 96 [4]   $ 96 [2]
Number of shares held 96   96
Investment, Identifier [Axis]: Relevate Health Group, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] $ 0    
Fair value at the ending 0 [4],[13]   $ 0 [2],[10]
Investment, Identifier [Axis]: Relevate Health Group, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 1,111    
Fair value at the ending 1,108 [4],[27]   1,111 [2],[26]
Investment, Identifier [Axis]: Relevate Health Group, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[18] 1,899    
Fair value at the ending 1,894 [4],[20],[21]   1,899 [2],[9],[18]
Investment, Identifier [Axis]: Relevate Health Group, LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[9] 5,062    
Fair value at the ending 5,049 [4],[19],[20]   5,062 [2],[7],[9]
Investment, Identifier [Axis]: Relevate Health Group, LLC 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 849    
Fair value at the ending 847 [4],[19]   849 [2],[7]
Investment, Identifier [Axis]: Removery, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 12,000    
Fair value at the ending 12,000 [4],[25]   12,000 [2]
Investment, Identifier [Axis]: Reorganized Mobileum AcquisitionCo, LLC (Shares of common stock) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 567    
Fair value at the ending $ 504 [4]   $ 567
Number of shares held 42,031   42,031
Investment, Identifier [Axis]: Reorganized Mobileum AcquisitionCo, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] $ 870    
Fair value at the ending 891 [4],[36]   $ 870 [2],[34]
Investment, Identifier [Axis]: Research Now Group, Inc. and Survey Sampling International, LLC (Shares of common stock) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 263    
Fair value at the ending $ 242 [4],[27]   $ 263 [2],[26]
Number of shares held 50,029 [27]   50,029 [26]
Investment, Identifier [Axis]: Research Now Group, Inc. and Survey Sampling International, LLC | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] $ 2,233    
Fair value at the ending 1,881 [4],[27]   $ 2,233 [2],[26]
Investment, Identifier [Axis]: Research Now Group, Inc. and Survey Sampling International, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 549    
Fair value at the ending 542 [4]   549 [2]
Investment, Identifier [Axis]: Residential Homes for Rent LLC (Series A preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[16] 2,751    
Fair value at the ending $ 2,660 [4],[15],[17]   $ 2,751 [2],[12],[16]
Number of shares held 736,539 [15],[17]   736,539 [12],[16]
Investment, Identifier [Axis]: Residential Homes for Rent LLC (Warrant to purchase the equity) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[16] $ 920    
Fair value at the ending 890 [4],[15],[17]   $ 920 [2],[12],[16]
Investment, Identifier [Axis]: Resin Solutions LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Resin Solutions LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 212 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Resin Solutions LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 10,973    
Fair value at the ending 10,945 [4],[19]   10,973 [2],[7]
Investment, Identifier [Axis]: Resolute Investment Managers, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 14,670    
Fair value at the ending 14,452 [4]   14,670 [2]
Investment, Identifier [Axis]: Rita's Franchise Company, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 396 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Rita's Franchise Company, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[22] 14,624    
Fair value at the ending 14,580 [4],[23]   14,624 [2],[22]
Investment, Identifier [Axis]: Ro Health, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 320    
Fair value at the ending 160 [4],[13]   320 [2],[10]
Investment, Identifier [Axis]: Ro Health, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[24] 3,726    
Fair value at the ending 3,714 [4],[25]   3,726 [2],[24]
Investment, Identifier [Axis]: Rocket Software, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 4,795    
Investment, Identifier [Axis]: Royal Capital Holdings, LLC | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 14,290    
Investment, Identifier [Axis]: SCP ADV Infusion Purchaser, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 9,095    
Fair value at the ending 8,942 [4],[13],[14]   9,095 [2],[10],[11]
Investment, Identifier [Axis]: SCP ADV Infusion Purchaser, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: SCP ADV Infusion Purchaser, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 9,615    
Fair value at the ending 9,453 [4],[19],[25]   9,615 [2],[7]
Investment, Identifier [Axis]: SCP Baked Goods Holdings, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: SCP Baked Goods Holdings, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: SCP Baked Goods Holdings, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 8,964    
Fair value at the ending 8,937 [4],[19]   8,964 [2],[7]
Investment, Identifier [Axis]: SCP Eye Care Holdco, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 18,738    
Fair value at the ending [2],[10],[11]     18,738
Investment, Identifier [Axis]: SCP Eye Care Holdco, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 361 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: SCP Eye Care Holdco, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[26] 8,977    
Fair value at the ending 8,954 [4],[20],[27]   8,977 [2],[9],[26]
Investment, Identifier [Axis]: SCP Eye Care Holdco, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 10,084    
Fair value at the ending 10,058 [4]   10,084 [2]
Investment, Identifier [Axis]: SCP Eye Care Holdco, LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 7,888    
Fair value at the ending 7,868 [4]   7,888 [2]
Investment, Identifier [Axis]: SCP Eye Care Holdco, LLC 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 20,399    
Investment, Identifier [Axis]: SCP Intermediate Holdings, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11],[12] 0    
Fair value at the ending 0 [4],[13],[14],[15]   0 [2],[10],[11],[12]
Investment, Identifier [Axis]: SCP Intermediate Holdings, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[12] 2,911    
Fair value at the ending 2,903 [4],[15],[19]   2,911 [2],[7],[12]
Investment, Identifier [Axis]: SDG Corporation (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: SDG Corporation (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: SDG Corporation | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 5,926    
Fair value at the ending 6,000 [4],[19]   5,926 [2],[7]
Investment, Identifier [Axis]: SDG Mgmt Company, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 4,028    
Fair value at the ending 6,370 [4],[13],[14]   4,028 [2],[10],[11]
Investment, Identifier [Axis]: SDG Mgmt Company, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 493    
Fair value at the ending 494 [4],[13]   493 [2],[10]
Investment, Identifier [Axis]: SDG Mgmt Company, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[8],[22],[26] 21,021    
Fair value at the ending 20,967 [4],[19],[23],[27],[32]   21,021 [2],[7],[8],[22],[26]
Investment, Identifier [Axis]: SDG Mgmt Company, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 8,491    
Fair value at the ending 8,469 [4]   8,491 [2]
Investment, Identifier [Axis]: SDG Mgmt Company, LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 11,751    
Fair value at the ending 11,727 [4],[27]   11,751 [2]
Investment, Identifier [Axis]: SDG Mgmt Company, LLC 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 7,893    
Fair value at the ending 7,877 [4]   7,893 [2]
Investment, Identifier [Axis]: SFR Holdco 2, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 4,937    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) (49)    
Fair value at the ending 4,888   4,937
Investment, Identifier [Axis]: SFR Holdco 2, LLC (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning   2,267 2,267
Transfers in (out)   0  
Purchases (cost)   1,425  
Sales and paydowns (cost)   0  
PIK interest capitalized (cost)   0  
Discount accretion   0  
Net realized gain (loss)   0  
Net change in unrealized gain (loss)   48  
Fair value at the ending   3,740  
Investment, Identifier [Axis]: SFR Holdco 2, LLC (Equity commitments)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 3,464 1,510 1,510
Transfers in (out) 0 0  
Purchases (cost) 0 950  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 88 32  
Fair value at the ending $ 3,552 $ 2,492 3,464
Percentage of equity commitments 24.40% 24.40%  
Investment, Identifier [Axis]: SFR Holdco 2, LLC (Equity commitments) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[12] $ 3,464    
Fair value at the ending $ 3,552 [4],[6],[15]   $ 3,464 [2],[5],[12]
Percentage of equity commitments 24.40% [15]   24.40% [5],[12]
Investment, Identifier [Axis]: SFR Holdco 2, LLC | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[12] $ 4,937    
Fair value at the ending 4,888 [4],[6],[15]   $ 4,937 [2],[5],[12]
Investment, Identifier [Axis]: SFR Holdco, LLC (Equity commitments) (2) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[12] 3,715    
Fair value at the ending [2],[5],[12]     $ 3,715
Percentage of equity commitments [5],[12]     10.50%
Investment, Identifier [Axis]: SFR Holdco, LLC (Equity commitments) 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 4,954 $ 4,797 $ 4,797
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 62 122  
Fair value at the ending $ 5,016 $ 4,919 4,954
Percentage of equity commitments 13.90% 13.90%  
Investment, Identifier [Axis]: SFR Holdco, LLC (Equity commitments) 1 | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[6],[15] $ 5,016    
Percentage of equity commitments [15] 13.90%    
Investment, Identifier [Axis]: SFR Holdco, LLC (Equity commitments) 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 3,715 $ 3,597 3,597
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 47 92  
Fair value at the ending $ 3,762 $ 3,689 3,715
Percentage of equity commitments 10.50% 10.50%  
Investment, Identifier [Axis]: SFR Holdco, LLC (Equity commitments) 2 | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[6],[15] $ 3,762    
Percentage of equity commitments [15] 10.50%    
Investment, Identifier [Axis]: SFR Holdco, LLC (Equity commitments) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[12] $ 4,954    
Fair value at the ending [2],[5],[12]     $ 4,954
Percentage of equity commitments [5],[12]     13.90%
Investment, Identifier [Axis]: SFR Holdco, LLC 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 5,875 $ 5,593 $ 5,593
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) (43) 125  
Fair value at the ending 5,832 5,718 5,875
Investment, Identifier [Axis]: SFR Holdco, LLC 1 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[12] 5,875    
Fair value at the ending 5,832 [4],[6],[15]   5,875 [2],[5],[12]
Investment, Identifier [Axis]: SFR Holdco, LLC 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 4,839 4,631 4,631
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) (24) 110  
Fair value at the ending 4,815 4,741 4,839
Investment, Identifier [Axis]: SFR Holdco, LLC 2 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[12] 4,839    
Fair value at the ending 4,815 [4],[6],[15]   4,839 [2],[5],[12]
Investment, Identifier [Axis]: SHOOK Research, LLC (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 1,539    
Fair value at the ending $ 1,455 [4],[17]   $ 1,539 [2],[16]
Number of shares held 1,483,871 [17]   1,483,871 [16]
Investment, Identifier [Axis]: SHOOK Research, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] $ 0    
Fair value at the ending 0 [4],[13]   $ 0 [2],[10]
Investment, Identifier [Axis]: SHOOK Research, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[9] 11,570    
Fair value at the ending 11,557 [4],[19],[20]   11,570 [2],[7],[9]
Investment, Identifier [Axis]: SIP Care Services, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 357    
Fair value at the ending 671 [4],[13]   357 [2],[10]
Investment, Identifier [Axis]: SIP Care Services, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 140    
Fair value at the ending 139 [4],[27]   140 [2],[26]
Investment, Identifier [Axis]: SIP Care Services, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[26] 4,152    
Fair value at the ending 4,136 [4],[21],[27]   4,152 [2],[18],[26]
Investment, Identifier [Axis]: STATS Intermediate Holdings, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 13,953    
Fair value at the ending 14,032 [4]   13,953 [2]
Investment, Identifier [Axis]: Sabrosura Foods, LLC et al (Class A interests) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 0    
Fair value at the ending $ 0 [4]   $ 0 [2]
Number of shares held 171,429   171,429
Investment, Identifier [Axis]: Sabrosura Foods, LLC et al (Class AA units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 0    
Fair value at the ending $ 0 [4]   $ 0 [2]
Number of shares held 7,022   7,022
Investment, Identifier [Axis]: Sabrosura Foods, LLC et al (Class AAA units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 0    
Fair value at the ending $ 0 [4]   $ 0 [2]
Number of shares held 8,322   8,322
Investment, Identifier [Axis]: Security Services Acquisition Sub Corp. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[22],[26] $ 35,716    
Fair value at the ending 35,644 [4],[23],[27]   $ 35,716 [2],[22],[26]
Investment, Identifier [Axis]: Security Services Acquisition Sub Corp. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[22],[26] 11,089    
Fair value at the ending 11,066 [4],[23],[27]   11,089 [2],[22],[26]
Investment, Identifier [Axis]: Security Services Acquisition Sub Corp. 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[22],[26] 10,954    
Fair value at the ending 10,932 [4],[23],[27]   10,954 [2],[22],[26]
Investment, Identifier [Axis]: Securly, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 969    
Fair value at the ending 1,599 [4]   969 [2],[10]
Investment, Identifier [Axis]: Securly, Inc. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] 3,702    
Fair value at the ending 3,665 [4],[21]   3,702 [2],[18]
Investment, Identifier [Axis]: Securly, Inc. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] 8,400    
Fair value at the ending 8,316 [4],[21]   8,400 [2],[18]
Investment, Identifier [Axis]: Securly, Inc. 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] 1,938    
Fair value at the ending 1,919 [4],[21]   1,938 [2],[18]
Investment, Identifier [Axis]: Securly, Inc. 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9] 2,488    
Fair value at the ending 2,463 [4],[20]   2,488 [2],[9]
Investment, Identifier [Axis]: Securly, Inc. 5 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9] 457    
Fair value at the ending 452 [4],[20]   457 [2],[9]
Investment, Identifier [Axis]: Seran BioScience, LLC (Common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 433    
Fair value at the ending $ 416 [4]   $ 433 [2]
Number of shares held 27,565   27,565
Investment, Identifier [Axis]: Seran BioScience, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] $ 0    
Fair value at the ending 0 [4],[13]   $ 0 [2],[10]
Investment, Identifier [Axis]: Seran BioScience, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[18] 1,886    
Fair value at the ending 1,888 [4],[19],[21]   1,886 [2],[7],[18]
Investment, Identifier [Axis]: Seran BioScience, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[8],[22] 225    
Fair value at the ending 225 [4],[23],[32]   225 [2],[8],[22]
Investment, Identifier [Axis]: Seran BioScience, LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 427    
Fair value at the ending 427 [4],[19]   427 [2],[7]
Investment, Identifier [Axis]: SheerTrans Solutions, LLC (Class A preferred interests)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 4,747    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) (30)    
Fair value at the ending $ 4,717   4,747
Number of shares held 3,042,264    
Investment, Identifier [Axis]: SheerTrans Solutions, LLC (Class A preferred interests) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[16] $ 4,747    
Fair value at the ending $ 4,717 [4],[6],[17]   $ 4,747 [2],[5],[16]
Number of shares held 3,042,264 [17]   3,042,264 [5],[16]
Investment, Identifier [Axis]: SheerTrans Solutions, LLC (Class B preferred interests)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 7,320    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) (47)    
Fair value at the ending $ 7,273   $ 7,320
Number of shares held 4,692,038    
Investment, Identifier [Axis]: SheerTrans Solutions, LLC (Class B preferred interests) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[16] $ 7,320    
Fair value at the ending $ 7,273 [4],[6],[17]   $ 7,320 [2],[5],[16]
Number of shares held 4,692,038 [17]   4,692,038 [5],[16]
Investment, Identifier [Axis]: SheerTrans Solutions, LLC (Preferred interests)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 0 11,989 $ 11,989
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 0 245  
Fair value at the ending $ 0 $ 12,234 0
Number of shares held 9,191,624 12,233,889  
Investment, Identifier [Axis]: SheerTrans Solutions, LLC (Preferred interests) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[16] $ 0    
Fair value at the ending $ 0 [4],[6],[17]   $ 0 [2],[5],[16]
Number of shares held 9,191,624 [17]   9,191,624 [5],[16]
Investment, Identifier [Axis]: SheerTrans Solutions, LLC (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 763 $ 998 $ 998
Transfers in (out) 0 0  
Purchases (cost) 439 0  
Sales and paydowns (cost) (1,205) 0  
PIK interest capitalized (cost) 3 11  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 0 0  
Fair value at the ending 0 1,009 763
Investment, Identifier [Axis]: SheerTrans Solutions, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[10] 763    
Fair value at the ending 0 [4],[6],[13]   763 [2],[5],[10]
Investment, Identifier [Axis]: SheerTrans Solutions, LLC 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 5,687 5,261 5,261
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 (12)  
PIK interest capitalized (cost) 171 53  
Discount accretion 8 7  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) (8) (7)  
Fair value at the ending 5,858 5,302 5,687
Investment, Identifier [Axis]: SheerTrans Solutions, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 5,687    
Fair value at the ending 5,858 [4],[6]   5,687 [2],[5]
Investment, Identifier [Axis]: SheerTrans Solutions, LLC 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 1,624 1,503 1,503
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 (4)  
PIK interest capitalized (cost) 49 15  
Discount accretion 2 2  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) (2) (2)  
Fair value at the ending 1,673 1,514 1,624
Investment, Identifier [Axis]: SheerTrans Solutions, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 1,624    
Fair value at the ending 1,673 [4],[6]   1,624 [2],[5]
Investment, Identifier [Axis]: Signal 88, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[26],[28] 23,206    
Fair value at the ending 23,148 [4],[19],[27],[29]   23,206 [2],[7],[26],[28]
Investment, Identifier [Axis]: Signiant Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Signiant Inc. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[22],[28] 14,963    
Fair value at the ending 14,776 [4],[23],[29]   14,963 [2],[22],[28]
Investment, Identifier [Axis]: Signiant Inc. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 3,000    
Fair value at the ending 2,963 [4],[19]   3,000 [2]
Investment, Identifier [Axis]: SingleStore, Inc. (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 1,604 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: SingleStore, Inc. (Equity commitment) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 9,359    
Fair value at the ending 9,265 [4]   9,359 [2]
Total equity investment 9,359   9,359
Investment, Identifier [Axis]: SingleStore, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: SingleStore, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 72,270    
Fair value at the ending 73,000 [4],[27]   72,270 [2]
Investment, Identifier [Axis]: Skillsoft Corp. (Class A shares) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[26],[72] 12    
Fair value at the ending $ 6 [4],[15],[27],[73]   $ 12 [2],[12],[26],[72]
Number of shares held 1,308 [15],[27],[73]   1,308 [12],[26],[72]
Investment, Identifier [Axis]: SonicWall US Holdings Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[60] $ 10,422    
Fair value at the ending 5,177 [4],[36]   $ 10,422 [2],[60]
Investment, Identifier [Axis]: Sparq Holdings, Inc. (Common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 69    
Fair value at the ending $ 0 [4]   $ 69
Number of shares held 600,000   600,000
Investment, Identifier [Axis]: Sparq Holdings, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] $ 213    
Fair value at the ending 207 [4],[13]   $ 213 [2],[10]
Investment, Identifier [Axis]: Sparq Holdings, Inc. (Series A preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 167    
Fair value at the ending $ 0 [4]   $ 167
Number of shares held 83,720   83,720
Investment, Identifier [Axis]: Sparq Holdings, Inc. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] $ 1,819    
Fair value at the ending 1,803 [4],[21]   $ 1,819 [2],[18]
Investment, Identifier [Axis]: Sparq Holdings, Inc. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 398    
Fair value at the ending 395 [4]   398 [2]
Investment, Identifier [Axis]: Sparq Holdings, Inc. 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 407    
Fair value at the ending 404 [4]   407 [2]
Investment, Identifier [Axis]: Spherix Global Inc. (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 0    
Fair value at the ending $ 13 [4]   $ 0 [2]
Number of shares held 333   333
Investment, Identifier [Axis]: Spherix Global Inc. (Class A-2 units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 71    
Fair value at the ending $ 58 [4]   $ 71 [2]
Number of shares held 52   52
Investment, Identifier [Axis]: Spherix Global Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] $ 248    
Fair value at the ending [2],[10]     $ 248
Investment, Identifier [Axis]: Spherix Global Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] 3,100    
Fair value at the ending [2],[18]     3,100
Investment, Identifier [Axis]: Sports Operating Holdings II, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 231    
Fair value at the ending 0 [4],[13]   231 [2],[10]
Investment, Identifier [Axis]: Sports Operating Holdings II, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 4,832    
Fair value at the ending 4,813 [4],[27]   4,832 [2],[26]
Investment, Identifier [Axis]: Sports Operating Holdings II, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 3,940    
Fair value at the ending 3,926 [4],[19]   3,940 [2],[7]
Investment, Identifier [Axis]: StarCompliance MidCo, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 1,651    
Fair value at the ending 1,651 [4],[13]   1,651 [2],[10]
Investment, Identifier [Axis]: StarCompliance MidCo, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[24] 441    
Fair value at the ending 441 [4],[20],[25]   441 [2],[9],[24]
Investment, Identifier [Axis]: StarCompliance MidCo, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[18],[24],[28] 27,375    
Fair value at the ending 27,375 [4],[20],[21],[25],[29]   27,375 [2],[9],[18],[24],[28]
Investment, Identifier [Axis]: StarCompliance MidCo, LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[28] 4,253    
Fair value at the ending 4,253 [4],[21],[29]   4,253 [2],[18],[28]
Investment, Identifier [Axis]: StarCompliance MidCo, LLC 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[28] 2,509    
Fair value at the ending 2,509 [4],[29]   2,509 [2],[28]
Investment, Identifier [Axis]: Steel City Wash, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Steel City Wash, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 335    
Fair value at the ending 585 [4],[13]   335 [2],[10]
Investment, Identifier [Axis]: Steel City Wash, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[24] 13,846    
Fair value at the ending 13,791 [4],[25]   13,846 [2],[24]
Investment, Identifier [Axis]: StormTrap, LLC (Class A common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 589    
Fair value at the ending $ 493 [4],[17]   $ 589 [2],[16]
Number of shares held 640,000 [17]   640,000 [16]
Investment, Identifier [Axis]: StormTrap, LLC (Class A preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] $ 640    
Fair value at the ending $ 640 [4],[17]   $ 640 [2],[16]
Number of shares held 640,000 [17]   640,000 [16]
Investment, Identifier [Axis]: Streamland Media MidCo LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11],[34] $ 72    
Fair value at the ending 151 [4],[13],[14],[36]   $ 72 [2],[10],[11],[34]
Investment, Identifier [Axis]: Streamland Media MidCo LLC (Revolver) | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 128    
Fair value at the ending 129 [4],[36]   128 [2],[34]
Investment, Identifier [Axis]: Streamland Media MidCo LLC (Shares of common stock) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 0    
Fair value at the ending $ 0 [4]   $ 0 [2]
Number of shares held 8,812   8,812
Investment, Identifier [Axis]: Streamland Media MidCo LLC 1 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] $ 887    
Fair value at the ending 892 [4],[36]   $ 887 [2],[34]
Investment, Identifier [Axis]: Streamland Media MidCo LLC 2 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 627    
Fair value at the ending 494 [4],[36]   627 [2],[34]
Investment, Identifier [Axis]: Summit Professional Education, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning   10,244 10,244
Transfers in (out)   0  
Purchases (cost)   0  
Sales and paydowns (cost)   (26)  
PIK interest capitalized (cost)   0  
Discount accretion   12  
Net realized gain (loss)   0  
Net change in unrealized gain (loss)   94  
Fair value at the ending   10,324  
Investment, Identifier [Axis]: Summit Professional Education, LLC (Class A units)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 18,138 16,676 16,676
Transfers in (out) 0 0  
Purchases (cost) 0 2,105  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) (12) 0  
Fair value at the ending $ 18,126 $ 18,781 18,138
Number of shares held 19,762 18,781  
Investment, Identifier [Axis]: Summit Professional Education, LLC (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[16] $ 18,138    
Fair value at the ending $ 18,126 [4],[6],[17]   $ 18,138 [2],[5],[16]
Number of shares held 19,762 [17]   19,762 [5],[16]
Investment, Identifier [Axis]: Summit Professional Education, LLC (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 0    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 0    
Fair value at the ending 0   $ 0
Investment, Identifier [Axis]: Summit Professional Education, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[10],[11] 0    
Fair value at the ending 0 [4],[6],[13],[14]   0 [2],[5],[10],[11]
Investment, Identifier [Axis]: Summit Professional Education, LLC (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 0 $ 1,145 1,145
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 (1,145)  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 0 0  
Fair value at the ending 0 0 0
Investment, Identifier [Axis]: Summit Professional Education, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[10] 0    
Fair value at the ending 0 [4],[6],[13]   0 [2],[5],[10]
Investment, Identifier [Axis]: Summit Professional Education, LLC 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 9,994    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) (25)    
PIK interest capitalized (cost) 0    
Discount accretion 13    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 82    
Fair value at the ending 10,064   9,994
Investment, Identifier [Axis]: Summit Professional Education, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[22] 9,994    
Fair value at the ending 10,064 [4],[6],[23]   9,994 [2],[5],[22]
Investment, Identifier [Axis]: Summit Professional Education, LLC 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 3,960    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) (10)    
PIK interest capitalized (cost) 0    
Discount accretion 6    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 32    
Fair value at the ending 3,988   3,960
Investment, Identifier [Axis]: Summit Professional Education, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 3,960    
Fair value at the ending 3,988 [4],[6]   3,960 [2],[5]
Investment, Identifier [Axis]: Summit Restoration Group, LLC (fka Water Buyer, LLC) (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13],[14] 0    
Investment, Identifier [Axis]: Summit Restoration Group, LLC (fka Water Buyer, LLC) (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13] 400    
Investment, Identifier [Axis]: Summit Restoration Group, LLC (fka Water Buyer, LLC) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[32] 9,855    
Investment, Identifier [Axis]: Sundy Village West Mezz Borrower, LLC (Delayed Draw) | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11],[12] 33,990    
Fair value at the ending [2],[10],[11],[12]     33,990
Investment, Identifier [Axis]: Sundy Village West Mezz Borrower, LLC 1 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[15] 37,900    
Investment, Identifier [Axis]: Sundy Village West Mezz Borrower, LLC 2 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[15] 15,435    
Investment, Identifier [Axis]: Sundy Village West Mezz Borrower, LLC | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12] 14,877    
Fair value at the ending [2],[12]     14,877
Investment, Identifier [Axis]: Sunstates Security, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 6,717    
Fair value at the ending 6,700 [4],[13],[14]   6,717 [2],[10],[11]
Investment, Identifier [Axis]: Sunstates Security, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 20,099    
Fair value at the ending 20,049 [4],[19]   20,099 [2],[7]
Investment, Identifier [Axis]: Symplr Software, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[60] 0    
Fair value at the ending [2],[60]     0
Investment, Identifier [Axis]: Syniverse Holdings, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12] 11,498    
Fair value at the ending 10,968 [4],[15]   11,498 [2],[12]
Investment, Identifier [Axis]: TCFIII OWL Buyer LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[18] 4,298    
Fair value at the ending [2],[7],[18]     4,298
Investment, Identifier [Axis]: TCFIII OWL Buyer LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 5,248    
Fair value at the ending [2],[7]     5,248
Investment, Identifier [Axis]: TCFIII OWL Buyer LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[18] 4,710    
Fair value at the ending [2],[7],[18]     4,710
Investment, Identifier [Axis]: TEAM Public Choices, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 4,421    
Fair value at the ending [2],[26]     4,421
Investment, Identifier [Axis]: TEAM Public Choices, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[22] 1,468    
Fair value at the ending [2],[22]     1,468
Investment, Identifier [Axis]: TIC Bidco Limited | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[30],[43] 17,534    
Fair value at the ending 17,211 [4],[15],[31],[44]   17,534 [2],[12],[30],[43]
Investment, Identifier [Axis]: Talent Systems, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13] 0    
Investment, Identifier [Axis]: Talent Systems, LLC (fka Moonraker Acquisitionco LLC) (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending [2],[10]     0
Investment, Identifier [Axis]: Talent Systems, LLC (fka Moonraker Acquisitionco LLC) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 6,668    
Fair value at the ending [2],[26]     6,668
Investment, Identifier [Axis]: Talent Systems, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[27] 6,528    
Investment, Identifier [Axis]: Talos Energy Inc. (Shares of common stock) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[26],[72] 133    
Fair value at the ending $ 191 [4],[15],[27],[73]   $ 133 [2],[12],[26],[72]
Number of shares held 12,138 [15],[27],[73]   12,138 [12],[26],[72]
Investment, Identifier [Axis]: Tavoron Buyer Corp. (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] $ 1,070    
Fair value at the ending 3,434 [4],[13],[14]   $ 1,070 [2],[10],[11]
Investment, Identifier [Axis]: Tavoron Buyer Corp. (Revolver) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[12],[33] 0    
Fair value at the ending 0 [4],[13],[15],[35]   0 [2],[10],[12],[33]
Investment, Identifier [Axis]: Tavoron Buyer Corp. (Revolver) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Tavoron Buyer Corp. (Units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 2,460    
Fair value at the ending $ 2,635 [4]   $ 2,460 [2]
Number of shares held 2,609,734   2,417,450
Investment, Identifier [Axis]: Tavoron Buyer Corp. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[24] $ 7,600    
Fair value at the ending 7,581 [4],[25]   $ 7,600 [2],[24]
Investment, Identifier [Axis]: Tax Protection BuyCo, LLC (Common units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 1,169    
Fair value at the ending $ 1,127 [4],[17]   $ 1,169 [2],[16]
Number of shares held 1,159 [17]   1,159 [16]
Investment, Identifier [Axis]: Tax Protection BuyCo, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] $ 0    
Fair value at the ending 0 [4],[13],[14]   $ 0 [2],[10],[11]
Investment, Identifier [Axis]: Tax Protection BuyCo, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Tax Protection BuyCo, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[8],[24],[28] 23,892    
Fair value at the ending 23,820 [4],[19],[25],[29],[32]   23,892 [2],[8],[24],[28]
Investment, Identifier [Axis]: Tegra118 Wealth Solutions, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12] 1,751    
Fair value at the ending 3,940 [4],[15],[19]   1,751 [2],[12]
Investment, Identifier [Axis]: The Black Tux, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 796    
Fair value at the ending [2],[10],[11]     796
Investment, Identifier [Axis]: The Black Tux, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 778 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: The Black Tux, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[19],[20],[32] 9,346    
Investment, Identifier [Axis]: The Black Tux, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[27] 796    
Investment, Identifier [Axis]: The Black Tux, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[8],[9] 9,368    
Fair value at the ending [2],[7],[8],[9]     9,368
Investment, Identifier [Axis]: The Gersh Agency, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 2,683 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: The Gersh Agency, LLC (Revolver) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[12],[41] 1,404    
Fair value at the ending 1,686 [4],[13],[15],[42]   1,404 [2],[10],[12],[41]
Investment, Identifier [Axis]: The Gersh Agency, LLC (Revolver) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 3,220    
Fair value at the ending 3,152 [4],[13]   3,220 [2],[10]
Investment, Identifier [Axis]: The Gersh Agency, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[41] 6,176    
Fair value at the ending 6,166 [4],[15],[42]   6,176 [2],[12],[41]
Investment, Identifier [Axis]: The Gersh Agency, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[41] 18,900    
Fair value at the ending 18,871 [4],[15],[42]   18,900 [2],[12],[41]
Investment, Identifier [Axis]: The Gersh Agency, LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[22] 6,082    
Fair value at the ending 6,175 [4],[23]   6,082 [2],[22]
Investment, Identifier [Axis]: The Gersh Agency, LLC 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[22] 12,876    
Fair value at the ending 13,072 [4],[23]   12,876 [2],[22]
Investment, Identifier [Axis]: The Hertz Corporation 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12] 6,908    
Fair value at the ending [2],[12]     6,908
Investment, Identifier [Axis]: The Hertz Corporation 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12] 1,363    
Fair value at the ending [2],[12]     1,363
Investment, Identifier [Axis]: The Kyjen Company, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[34] 0    
Fair value at the ending 0 [4],[13],[36]   0 [2],[10],[34]
Investment, Identifier [Axis]: The Kyjen Company, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[24],[26] 2,153    
Fair value at the ending 1,709 [4],[21],[27],[36]   2,153 [2],[18],[24],[26]
Investment, Identifier [Axis]: The Kyjen Company, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 5    
Fair value at the ending 3 [4],[36]   5 [2],[34]
Investment, Identifier [Axis]: The Smilist DSO, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 9,733    
Fair value at the ending 10,459 [4],[13],[14]   9,733 [2],[10],[11]
Investment, Identifier [Axis]: The Smilist DSO, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: The Smilist DSO, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[8],[22] 28,522    
Fair value at the ending 28,294 [4],[19],[23],[32]   28,522 [2],[7],[8],[22]
Investment, Identifier [Axis]: The Smilist DSO, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[8],[28] 7,711    
Fair value at the ending 7,649 [4],[29],[32]   7,711 [2],[8],[28]
Investment, Identifier [Axis]: The Smilist DSO, LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 6,193    
Fair value at the ending 6,143 [4],[19]   6,193 [2],[7]
Investment, Identifier [Axis]: Thrasio, LLC (Shares of common stock) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 0    
Fair value at the ending $ 0 [4]   $ 0 [2]
Number of shares held 31,764   31,764
Investment, Identifier [Axis]: Thrasio, LLC (Units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 0    
Fair value at the ending $ 0 [4]   $ 0 [2]
Number of shares held 1,980,796   2,162,506
Investment, Identifier [Axis]: Thrasio, LLC | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] $ 1,477    
Fair value at the ending 1,544 [4],[36]   $ 1,477 [2],[34]
Investment, Identifier [Axis]: Thrasio, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 574    
Fair value at the ending 496 [4],[36]   574 [2],[34]
Investment, Identifier [Axis]: TigerConnect, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: TigerConnect, Inc. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] 10,002    
Fair value at the ending 10,002 [4],[21]   10,002 [2],[18]
Investment, Identifier [Axis]: TigerConnect, Inc. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 571    
Fair value at the ending 571 [4],[27]   571 [2]
Investment, Identifier [Axis]: TigerConnect, Inc. 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[28] 3,038    
Fair value at the ending 3,038 [4],[27],[29]   3,038 [2],[28]
Investment, Identifier [Axis]: TigerConnect, Inc. 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 52    
Fair value at the ending 52 [4]   52 [2]
Investment, Identifier [Axis]: TigerConnect, Inc. 5 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,253    
Fair value at the ending 1,253 [4]   1,253 [2]
Investment, Identifier [Axis]: Tiugo Group Holdings Corp (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Tiugo Group Holdings Corp (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Tiugo Group Holdings Corp | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[8],[22],[24],[28] 66,222    
Fair value at the ending 65,892 [4],[23],[25],[29],[32]   66,222 [2],[8],[22],[24],[28]
Investment, Identifier [Axis]: Together Women's Health, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 1,148    
Fair value at the ending 1,133 [4],[13],[14]   1,148 [2],[10],[11]
Investment, Identifier [Axis]: Together Women's Health, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Together Women's Health, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 8,975    
Fair value at the ending 8,856 [4],[19]   8,975 [2],[7]
Investment, Identifier [Axis]: Touchmath Acquisition LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Touchmath Acquisition LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[22] 9,178    
Fair value at the ending 9,237 [4],[23]   9,178 [2],[22]
Investment, Identifier [Axis]: Touchtunes Music Group, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 4,626    
Fair value at the ending 4,538 [4]   4,626 [2]
Investment, Identifier [Axis]: Transnetwork LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[22],[24],[28] 14,784    
Fair value at the ending 14,203 [4],[23],[25],[29]   14,784 [2],[22],[24],[28]
Investment, Identifier [Axis]: Triad Financial Services, Inc. (Equity commitment funded)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 6,902 4,803 4,803
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 0 0  
Fair value at the ending 6,902 4,803 6,902
Amount of total commitment 6,902 4,803  
Total equity investment 41,855 41,855  
Investment, Identifier [Axis]: Triad Financial Services, Inc. (Equity commitment funded) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[12],[74] 6,902    
Fair value at the ending 6,902 [4],[6],[15],[75]   6,902 [2],[5],[12],[74]
Amount of total commitment 6,902 [15],[75]   6,902 [5],[12],[74]
Total equity investment 41,855 [15],[75]   41,855 [5],[12],[74]
Investment, Identifier [Axis]: Trilon Group, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 2,853    
Fair value at the ending 2,837 [4],[13],[14]   2,853 [2],[10],[11]
Investment, Identifier [Axis]: Trilon Group, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 1,044 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Trilon Group, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[8],[9],[18],[28] 11,599    
Fair value at the ending 11,535 [4],[20],[21],[27],[29],[32]   11,599 [2],[7],[8],[9],[18],[28]
Investment, Identifier [Axis]: Trilon Group, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 3,563    
Fair value at the ending 3,544 [4],[27]   3,563 [2],[7]
Investment, Identifier [Axis]: Trilon Group, LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[28] 12,016    
Fair value at the ending 11,950 [4],[27],[29]   12,016 [2],[7],[28]
Investment, Identifier [Axis]: Trilon Group, LLC 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 365    
Fair value at the ending 364 [4],[27]   365 [2],[7]
Investment, Identifier [Axis]: Trilon Group, LLC 5 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[24] 10,137    
Fair value at the ending 10,081 [4],[25],[27]   10,137 [2],[7],[24]
Investment, Identifier [Axis]: USLIVE OPCO, INC. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: USLIVE OPCO, INC. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 10,005    
Fair value at the ending 9,942 [4],[27]   10,005 [2],[26]
Investment, Identifier [Axis]: Ultra Clean Holdco LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 3,686    
Fair value at the ending 3,677 [4],[13],[14]   3,686 [2],[10],[11]
Investment, Identifier [Axis]: Ultra Clean Holdco LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Ultra Clean Holdco LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[8],[22] 20,551    
Fair value at the ending 20,498 [4],[23],[32]   20,551 [2],[8],[22]
Investment, Identifier [Axis]: Unanet, Inc. (Delayed Draw) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 4,956    
Fair value at the ending 4,956 [4],[13],[14]   4,956 [2],[10],[11]
Investment, Identifier [Axis]: Unanet, Inc. (Delayed Draw) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Unanet, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Unanet, Inc. (Shares of common stock) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 2,918    
Fair value at the ending $ 2,723 [4]   $ 2,918
Number of shares held 1,621,053   1,621,053
Investment, Identifier [Axis]: Unanet, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[18] $ 22,000    
Fair value at the ending 22,000 [4],[20],[21]   $ 22,000 [2],[9],[18]
Investment, Identifier [Axis]: Valkyrie Buyer, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 4,176    
Fair value at the ending 4,178 [4],[13],[14]   4,176 [2],[10],[11]
Investment, Identifier [Axis]: Valkyrie Buyer, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 1,123    
Fair value at the ending 842 [4],[13]   1,123 [2],[10]
Investment, Identifier [Axis]: Valkyrie Buyer, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26],[28] 17,886    
Fair value at the ending 17,894 [4],[27],[29]   17,886 [2],[26],[28]
Investment, Identifier [Axis]: Valkyrie Buyer, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 2,082    
Fair value at the ending 2,083 [4],[23]   2,082 [2]
Investment, Identifier [Axis]: Valkyrie Buyer, LLC 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 7,451    
Fair value at the ending 7,454 [4],[25]   7,451 [2]
Investment, Identifier [Axis]: Valkyrie Buyer, LLC 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 3,337    
Fair value at the ending [2]     3,337
Investment, Identifier [Axis]: Valkyrie Buyer, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[25] 3,338    
Investment, Identifier [Axis]: Vanterra Holdings, LLC (Delayed Draw) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending [2],[10],[11]     0
Investment, Identifier [Axis]: Vanterra Holdings, LLC (Delayed Draw) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending [2],[10],[11]     0
Investment, Identifier [Axis]: Vanterra Holdings, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[13],[14] 10,062    
Investment, Identifier [Axis]: Vanterra Holdings, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Vanterra Holdings, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[27] 10,482    
Investment, Identifier [Axis]: Vanterra Holdings, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[19],[27] 20,963    
Investment, Identifier [Axis]: Vanterra Holdings, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 10,500    
Fair value at the ending [2],[26]     10,500
Investment, Identifier [Axis]: Varicent Intermediate Holdings Corporation (Delayed Draw) 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11],[12],[45] 0    
Fair value at the ending 0 [4],[13],[14],[15],[46]   0 [2],[10],[11],[12],[45]
Investment, Identifier [Axis]: Varicent Intermediate Holdings Corporation (Delayed Draw) 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11],[12],[45] 0    
Fair value at the ending 0 [4],[13],[14],[15],[46]   0 [2],[10],[11],[12],[45]
Investment, Identifier [Axis]: Varicent Intermediate Holdings Corporation (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[12],[45] 0    
Fair value at the ending 0 [4],[13],[15],[46]   0 [2],[10],[12],[45]
Investment, Identifier [Axis]: Varicent Intermediate Holdings Corporation 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[45] 12,328    
Fair value at the ending 12,993 [4],[15],[46]   12,328 [2],[12],[45]
Investment, Identifier [Axis]: Varicent Intermediate Holdings Corporation 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[45] 29,057    
Fair value at the ending 29,138 [4],[15],[27],[46]   29,057 [2],[12],[45]
Investment, Identifier [Axis]: Velociti, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Velociti, LLC (Units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [16] 6,137    
Fair value at the ending $ 6,319 [4],[17]   $ 6,137 [16]
Number of shares held 6,075,951 [17]   6,075,951 [16]
Investment, Identifier [Axis]: Velociti, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[22] $ 11,940    
Fair value at the ending 11,910 [4],[20],[23]   $ 11,940 [2],[9],[22]
Investment, Identifier [Axis]: Velociti, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 4,295    
Fair value at the ending 4,284 [4],[19]   4,295 [2],[7]
Investment, Identifier [Axis]: Veritas Buyer, LLC and DecisionHR Holdings, Inc. (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Veritas Buyer, LLC and DecisionHR Holdings, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Veritas Buyer, LLC and DecisionHR Holdings, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 19,404    
Fair value at the ending 19,463 [4],[25]   19,404 [2]
Investment, Identifier [Axis]: Vero Biotech Inc. (Warrant to purchase the equity) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 102    
Fair value at the ending 105 [4]   102
Investment, Identifier [Axis]: Vero Biotech Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 29,604    
Fair value at the ending [2]     29,604
Investment, Identifier [Axis]: Vhagar Purchaser, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending 0 [4],[13],[14]   0 [2],[10],[11]
Investment, Identifier [Axis]: Vhagar Purchaser, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Vhagar Purchaser, LLC 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[26],[28] 29,370    
Fair value at the ending 29,333 [4],[20],[27],[29]   29,370 [2],[9],[26],[28]
Investment, Identifier [Axis]: Vhagar Purchaser, LLC 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26],[28] 13,350    
Fair value at the ending 13,333 [4],[27],[29]   13,350 [2],[26],[28]
Investment, Identifier [Axis]: Vice Acquisition Holdco, LLC (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 0    
Fair value at the ending $ 0 [4]   $ 0 [2]
Number of shares held 1,110,000   1,110,000
Investment, Identifier [Axis]: Vice Acquisition Holdco, LLC 1 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34],[37] $ 0    
Fair value at the ending 0 [4],[36],[38]   $ 0 [2],[34],[37]
Investment, Identifier [Axis]: Vice Acquisition Holdco, LLC 2 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34],[37] 0    
Fair value at the ending 0 [4],[36],[38]   0 [2],[34],[37]
Investment, Identifier [Axis]: Vice Acquisition Holdco, LLC 3 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34],[37] 0    
Fair value at the ending 0 [4],[36],[38]   0 [2],[34],[37]
Investment, Identifier [Axis]: Vice Acquisition Holdco, LLC 4 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34],[37] 0    
Fair value at the ending 0 [4],[36],[38]   0 [2],[34],[37]
Investment, Identifier [Axis]: Vice Acquisition Holdco, LLC 5 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 38    
Fair value at the ending 8 [4],[36]   38 [2],[34]
Investment, Identifier [Axis]: Vice Acquisition Holdco, LLC 6 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 11    
Fair value at the ending 2 [4],[36]   11 [2],[34]
Investment, Identifier [Axis]: Vice Acquisition Holdco, LLC 7 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 20    
Fair value at the ending 4 [4],[36]   20 [2],[34]
Investment, Identifier [Axis]: Vice Acquisition Holdco, LLC 8 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 0    
Fair value at the ending 0 [4],[36]   0 [2],[34]
Investment, Identifier [Axis]: Vice Acquisition Holdco, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[34] 454    
Fair value at the ending 460 [4],[36]   454 [2],[34]
Investment, Identifier [Axis]: Volt Bidco, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 445 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: Volt Bidco, Inc. (Shares of common stock) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 776    
Fair value at the ending $ 752 [4]   $ 776 [2]
Number of shares held 878   878
Investment, Identifier [Axis]: Volt Bidco, Inc. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 9,809    
Fair value at the ending 10,108 [4]   $ 9,809 [2]
Investment, Identifier [Axis]: Volt Bidco, Inc. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[22] 1,844    
Fair value at the ending 1,900 [4],[23]   1,844 [2],[22]
Investment, Identifier [Axis]: Volt Bidco, Inc. 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[24] 765    
Fair value at the ending 788 [4],[25]   765 [2],[24]
Investment, Identifier [Axis]: Volt Bidco, Inc. 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[24] 1,060    
Fair value at the ending 1,092 [4],[25]   1,060 [2],[24]
Investment, Identifier [Axis]: WPEngine, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: WPEngine, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[9],[18] 16,500    
Fair value at the ending 16,475 [4],[20],[21]   16,500 [2],[9],[18]
Investment, Identifier [Axis]: Watchguard Technologies, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26],[28] 20,479    
Fair value at the ending 5,012 [4],[19],[29]   20,479 [2],[26],[28]
Investment, Identifier [Axis]: Water Buyer, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 0    
Fair value at the ending [2],[10],[11]     0
Investment, Identifier [Axis]: Water Buyer, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 400    
Fair value at the ending [2],[10]     400
Investment, Identifier [Axis]: Water Buyer, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[8] 9,890    
Fair value at the ending [2],[8]     9,890
Investment, Identifier [Axis]: WebPT, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 433    
Fair value at the ending 0 [4],[13]   433 [2],[10]
Investment, Identifier [Axis]: WebPT, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] 4,750    
Fair value at the ending 4,607 [4],[21]   4,750 [2],[18]
Investment, Identifier [Axis]: Whistler Parent Holdings III, Inc.      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 15,572 22,772 22,772
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 769 385  
Discount accretion 28 27  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) (1,640) (1,618)  
Fair value at the ending 14,729 21,566 15,572
Investment, Identifier [Axis]: Whistler Parent Holdings III, Inc. (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning   1,980 1,980
Transfers in (out)   0  
Purchases (cost)   414  
Sales and paydowns (cost)   0  
PIK interest capitalized (cost)   31  
Discount accretion   0  
Net realized gain (loss)   0  
Net change in unrealized gain (loss)   0  
Fair value at the ending   2,425  
Investment, Identifier [Axis]: Whistler Parent Holdings III, Inc. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 3,487 1,539 1,539
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 93 22  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 0 0  
Fair value at the ending 3,580 1,561 3,487
Investment, Identifier [Axis]: Whistler Parent Holdings III, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[10] 3,487    
Fair value at the ending 3,580 [4],[6],[13]   3,487 [2],[5],[10]
Investment, Identifier [Axis]: Whistler Parent Holdings III, Inc. (Series A preferred stock)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 0 0 0
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 0 0  
Fair value at the ending $ 0 $ 0 0
Number of shares held 518,970 518,970  
Investment, Identifier [Axis]: Whistler Parent Holdings III, Inc. (Series A preferred stock) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] $ 0    
Fair value at the ending $ 0 [4],[6]   $ 0 [2],[5]
Number of shares held 518,970   518,970 [5]
Investment, Identifier [Axis]: Whistler Parent Holdings III, Inc. (Series B preferred stock)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 0 $ 0 $ 0
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 0 0  
Fair value at the ending $ 0 $ 0 0
Number of shares held 116,083 116,083  
Investment, Identifier [Axis]: Whistler Parent Holdings III, Inc. (Series B preferred stock) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] $ 0    
Fair value at the ending $ 0 [4],[6]   $ 0 [2],[5]
Number of shares held 116,083   116,083 [5]
Investment, Identifier [Axis]: Whistler Parent Holdings III, Inc. 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 3,197    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 86    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 0    
Fair value at the ending 3,283   $ 3,197
Investment, Identifier [Axis]: Whistler Parent Holdings III, Inc. | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 15,572    
Fair value at the ending 14,729 [4],[6]   15,572 [2],[5]
Investment, Identifier [Axis]: Whistler Parent Holdings III, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 3,197    
Fair value at the ending 3,283 [4],[6]   3,197 [2],[5]
Investment, Identifier [Axis]: Witkoff/Monroe 700 JV LLC (Preferred units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[16] 6,421    
Fair value at the ending $ 6,623 [4],[15],[17]   $ 6,421 [2],[12],[16]
Number of shares held 2,992 [15],[17]   2,992 [12],[16]
Investment, Identifier [Axis]: Witkoff/Monroe 700 JV LLC 1 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12] $ 928    
Fair value at the ending 950 [4],[15]   $ 928 [2],[12]
Investment, Identifier [Axis]: Witkoff/Monroe 700 JV LLC 2 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12] 1,767    
Fair value at the ending 1,828 [4],[15]   1,767 [2],[12]
Investment, Identifier [Axis]: Witkoff/Monroe 700 JV LLC 3 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12] 519    
Fair value at the ending 537 [4],[15]   519 [2],[12]
Investment, Identifier [Axis]: Witkoff/Monroe 700 JV LLC 4 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12] 11,465    
Fair value at the ending 11,858 [4],[15]   11,465 [2],[12]
Investment, Identifier [Axis]: Witkoff/Monroe 700 JV LLC 5 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12] 1,983    
Fair value at the ending 2,051 [4],[15]   1,983 [2],[12]
Investment, Identifier [Axis]: Witkoff/Monroe 700 JV LLC 6 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12] 3,559    
Fair value at the ending 3,681 [4],[15]   3,559 [2],[12]
Investment, Identifier [Axis]: Witkoff/Monroe 700 JV LLC 7 | Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12] 2,440    
Fair value at the ending 2,523 [4],[15]   2,440 [2],[12]
Investment, Identifier [Axis]: XanEdu Publishing, Inc. (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 127    
Fair value at the ending $ 115 [4]   $ 127 [2]
Number of shares held 65,104   65,104
Investment, Identifier [Axis]: XanEdu Publishing, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] $ 0    
Fair value at the ending 0 [4],[13]   $ 0 [2],[10]
Investment, Identifier [Axis]: XanEdu Publishing, Inc. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7],[18] 5,522    
Fair value at the ending 5,522 [4],[19],[21]   5,522 [2],[7],[18]
Investment, Identifier [Axis]: XanEdu Publishing, Inc. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[7] 2,195    
Fair value at the ending 2,195 [4],[19]   2,195 [2],[7]
Investment, Identifier [Axis]: Xpress Wellness, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11] 3,867    
Fair value at the ending 3,907 [4],[13],[14]   3,867 [2],[10],[11]
Investment, Identifier [Axis]: Xpress Wellness, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 7,015    
Fair value at the ending 7,015 [4],[13]   7,015 [2],[10]
Investment, Identifier [Axis]: Xpress Wellness, LLC (Series A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 14,312    
Fair value at the ending $ 14,989 [4]   $ 14,312
Number of shares held 18,310   18,310
Investment, Identifier [Axis]: Xpress Wellness, LLC (Series C units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 1,040    
Fair value at the ending $ 1,140 [4]   $ 1,040
Number of shares held 886   816
Investment, Identifier [Axis]: Xpress Wellness, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] $ 38,985    
Fair value at the ending 39,387 [4],[27]   $ 38,985 [2],[26]
Investment, Identifier [Axis]: YBR OZ ECE, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 1,994 $ 0 0
Transfers in (out) 0 0  
Purchases (cost) 0 1,960  
Sales and paydowns (cost) (5) 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 2 2  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) (3) (2)  
Fair value at the ending 1,988 1,960 1,994
Investment, Identifier [Axis]: YBR OZ ECE, LLC (Class A units)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 6,875 0 0
Transfers in (out) 0 0  
Purchases (cost) 0 6,875  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 0 0  
Fair value at the ending $ 6,875 $ 6,875 6,875
Number of shares held 6,875 6,875  
Investment, Identifier [Axis]: YBR OZ ECE, LLC (Class A units) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] $ 6,875    
Fair value at the ending $ 6,875 [4],[6]   $ 6,875 [2],[5]
Number of shares held 6,875   6,875 [5]
Investment, Identifier [Axis]: YBR OZ ECE, LLC (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 901 $ 0 $ 0
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) (2) 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 0 0  
Fair value at the ending 899 0 901
Investment, Identifier [Axis]: YBR OZ ECE, LLC (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[10],[11] 901    
Fair value at the ending 899 [4],[6],[13],[14]   901 [2],[5],[10],[11]
Investment, Identifier [Axis]: YBR OZ ECE, LLC (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 0 0 0
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 0 0  
Fair value at the ending 0 0 0
Investment, Identifier [Axis]: YBR OZ ECE, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[10] 0    
Fair value at the ending 0 [4],[6],[13]   0 [2],[5],[10]
Investment, Identifier [Axis]: YBR OZ ECE, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[7] 1,994    
Fair value at the ending 1,988 [4],[6],[19]   1,994 [2],[5],[7]
Investment, Identifier [Axis]: ZI Intermediate II, Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10] 0    
Fair value at the ending 0 [4],[13]   0 [2],[10]
Investment, Identifier [Axis]: ZI Intermediate II, Inc. (Shares of common stock) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 4,088    
Fair value at the ending $ 3,824 [4]   $ 4,088
Number of shares held 3,790   3,790
Investment, Identifier [Axis]: ZI Intermediate II, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26],[28] $ 82,291    
Fair value at the ending 82,415 [4],[23],[25],[27],[29]   $ 82,291 [2],[26],[28]
Investment, Identifier [Axis]: Zodega Landscaping, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 12,281 12,431 12,431
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) (30) (30)  
PIK interest capitalized (cost) 0 0  
Discount accretion 30 27  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) (62) 2  
Fair value at the ending $ 12,219 12,430 12,281
Investment, Identifier [Axis]: Zodega Landscaping, LLC ( preferred interests)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Number of units held 146,757    
Investment, Identifier [Axis]: Zodega Landscaping, LLC (Preferred interestes)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning   15,130 15,130
Transfers in (out)   0  
Purchases (cost)   0  
Sales and paydowns (cost)   0  
PIK interest capitalized (cost)   0  
Discount accretion   0  
Net realized gain (loss)   0  
Net change in unrealized gain (loss)   494  
Fair value at the ending   $ 15,624  
Number of units held   146,757  
Investment, Identifier [Axis]: Zodega Landscaping, LLC (Preferred interests) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[76] $ 18,148    
Fair value at the ending $ 18,958 [4],[6],[77]   $ 18,148 [2],[5],[76]
Number of shares held 146,757 [77]   146,757 [5],[76]
Investment, Identifier [Axis]: Zodega Landscaping, LLC (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 992 $ 992 $ 992
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) (595) 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 0 0  
Fair value at the ending 397 $ 992 992
Investment, Identifier [Axis]: Zodega Landscaping, LLC (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[10] 992    
Fair value at the ending 397 [4],[6],[13]   992 [2],[5],[10]
Investment, Identifier [Axis]: Zodega Landscaping, LLC (preferred interests)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 18,148    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 810    
Fair value at the ending 18,958   18,148
Investment, Identifier [Axis]: Zodega Landscaping, LLC | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 12,281    
Fair value at the ending 12,219 [4],[6],[21]   12,281 [2],[5]
Investment, Identifier [Axis]: ecMarket Inc. and Conexiom US Inc. (Class B preferred shares) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[45] 217    
Fair value at the ending $ 138 [4],[15],[46]   $ 217 [2],[12],[45]
Number of shares held 96,603 [15],[46]   96,603 [12],[45]
Investment, Identifier [Axis]: ecMarket Inc. and Conexiom US Inc. (Class C preferred shares) | Equity Securities      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[45] $ 51    
Fair value at the ending $ 44 [4],[15],[46]   $ 51 [2],[12],[45]
Number of shares held 18,328 [15],[46]   18,328 [12],[45]
Investment, Identifier [Axis]: ecMarket Inc. and Conexiom US Inc. (Delayed Draw) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[11],[12],[45] $ 1,644    
Fair value at the ending 266 [4],[13],[14],[15],[46]   $ 1,644 [2],[10],[11],[12],[45]
Investment, Identifier [Axis]: ecMarket Inc. and Conexiom US Inc. (Revolver) | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[10],[12],[45] 0    
Fair value at the ending 0 [4],[13],[15],[46]   0 [2],[10],[12],[45]
Investment, Identifier [Axis]: ecMarket Inc. and Conexiom US Inc. 1 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[18],[45] 13,508    
Fair value at the ending 13,508 [4],[15],[21],[46]   13,508 [2],[12],[18],[45]
Investment, Identifier [Axis]: ecMarket Inc. and Conexiom US Inc. 2 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[18],[45] 1,050    
Fair value at the ending 1,050 [4],[15],[21],[46]   1,050 [2],[12],[18],[45]
Investment, Identifier [Axis]: ecMarket Inc. and Conexiom US Inc. 3 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[45] 2,211    
Fair value at the ending 2,211 [4],[15],[46]   2,211 [2],[12],[45]
Investment, Identifier [Axis]: ecMarket Inc. and Conexiom US Inc. 4 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[12],[45] 1,679    
Fair value at the ending 1,679 [4],[15],[46]   1,679 [2],[12],[45]
Investment, Identifier [Axis]: ecMarket Inc. and Conexiom US Inc. 5 | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[15],[46] 1,912    
Investment, Identifier [Axis]: iCIMS, Inc. | Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] 7,820    
Fair value at the ending $ 7,720 [4],[21]   $ 7,820 [2],[18]
[1] All of the Company’s investments are issued by eligible portfolio companies, as defined in the Investment Company Act of 1940, as amended, (the “1940 Act”), unless otherwise noted. All of the Company’s investments are issued by U.S. portfolio companies unless otherwise noted.
[2] Except as otherwise noted, because there is no readily available market value for these investments, the fair value of each of these investments is determined in good faith using significant unobservable inputs by the Valuation Designee (see Note 4 in the accompanying notes to the consolidated financial statements).
[3] All of the Company’s investments are issued by eligible portfolio companies, as defined in the Investment Company Act of 1940, as amended, (the “1940 Act”), unless otherwise noted. All of the Company’s investments are issued by U.S. portfolio companies unless otherwise noted.
[4] Except as otherwise noted, because there is no readily available market value for these investments, the fair value of each of these investments is determined in good faith using significant unobservable inputs by the Valuation Designee (see Note 4 in the accompanying notes to the consolidated financial statements).
[5] As defined in the 1940 Act, the Company is deemed to be an “Affiliated Person” of the portfolio company as it owns 5% or more of the portfolio company’s voting securities. See Note 5 in the accompanying notes to the consolidated financial statements for additional information on transactions in which the issuer was an Affiliated Person (but not a portfolio company that the Company is deemed to control).
[6] As defined in the 1940 Act, the Company is deemed to be an “Affiliated Person” of the portfolio company as it owns 5% or more of the portfolio company’s voting securities. See Note 5 in the accompanying notes to the consolidated financial statements for additional information on transactions in which the issuer was an Affiliated Person (but not a portfolio company that the Company is deemed to control).
[7] All or a portion of this security was held in MC Income Plus Financing SPV II LLC (the “SPV II”) as collateral for the Company’s senior secured credit facility (the “SPV II Credit Facility”) with KeyBank National Association (see Note 7 in the accompanying notes to the consolidated financial statements).
[8] All or a portion of this security was held in MC Income Plus Financing SPV III LLC (the “SPV III”) as collateral for the Company’s secured revolving credit facility (the “SPV III Credit Facility”) with Goldman Sachs Bank USA (see Note 7 in the accompanying notes to the consolidated financial statements).
[9] All or a portion of this security was held in Monroe Capital Income Plus ABS Funding II, LLC (the “2023 Issuer”) as collateral for the Company’s asset-backed securitization (the “2023 ABS”) (see Note 7 in the accompanying notes to the consolidated financial statements).
[10] All or a portion of this commitment was unfunded at December 31, 2025. As such, interest is earned only on the funded portion of this commitment.
[11] This delayed draw loan requires that certain financial covenants be met by the portfolio company prior to any fundings by the Company.
[12] This investment is treated as a non-qualifying asset under Section 55(a) of the 1940 Act. Under the 1940 Act, the Company may not acquire any non-qualifying asset unless, at the time the acquisition is made, qualifying assets represent at least 70% of the Company’s total assets. As of December 31, 2025, non-qualifying assets totaled 12.7% of the Company’s total assets.
[13] All or a portion of this commitment was unfunded at March 31, 2026. As such, interest is earned only on the funded portion of this commitment.
[14] This delayed draw loan requires that certain financial covenants be met by the portfolio company prior to any fundings by the Company.
[15] This investment is treated as a non-qualifying asset under Section 55(a) of the 1940 Act. Under the 1940 Act, the Company may not acquire any non-qualifying asset unless, at the time the acquisition is made, qualifying assets represent at least 70% of the Company’s total assets. As of March 31, 2026, non-qualifying assets totaled 12.7% of the Company’s total assets.
[16] Investment is held by a taxable subsidiary of the Company. See Note 2 in the accompanying notes to the consolidated financial statements for additional information on the Company’s wholly-owned taxable subsidiaries.
[17] Investment is held by a taxable subsidiary of the Company. See Note 2 in the accompanying notes to the consolidated financial statements for additional information on the Company’s wholly-owned taxable subsidiaries.
[18] All or a portion of this security was held in Monroe Capital Income Plus ABS Funding, LLC (the “2022 Issuer”) as collateral for the Company’s asset-backed securitization (the “2022 ABS”) (see Note 7 in the accompanying notes to the consolidated financial statements).
[19] All or a portion of this security was held in MC Income Plus Financing SPV II LLC (the “SPV II”) as collateral for the Company’s senior secured credit facility (the “SPV II Credit Facility”) with KeyBank National Association (see Note 7 in the accompanying notes to the consolidated financial statements).
[20] All or a portion of this security was held in Monroe Capital Income Plus ABS Funding II, LLC (the “2023 Issuer”) as collateral for the Company’s asset-backed securitization (the “2023 ABS”). (See Note 7 in the accompanying notes to the consolidated financial statements).
[21] All or a portion of this security was held in Monroe Capital Income Plus ABS Funding, LLC (the “2022 Issuer”) as collateral for the Company’s asset-backed securitization (the “2022 ABS”). (See Note 7 in the accompanying notes to the consolidated financial statements).
[22] All or a portion of this security was held in MC Income Plus Financing SPV IV LLC (the “SPV IV”) as collateral for the Company’s secured revolving credit facility (the “SPV IV Credit Facility”) with Capital One, National Association (see Note 7 in the accompanying notes to the consolidated financial statements).
[23] All or a portion of this security was held in MC Income Plus Financing SPV IV LLC (the “SPV IV”) as collateral for the Company’s secured revolving credit facility (the “SPV IV Credit Facility”) with Capital One, National Association (see Note 7 in the accompanying notes to the consolidated financial statements).
[24] All or a portion of this security was held in MC Income Plus Financing SPV V LLC (the "SPV V") as collateral for the Company's secured revolving credit facility (the "SPV V Credit Facility") with Capital One, National Association (see Note 7 in the accompanying notes to the consolidated financial statements).
[25] All or a portion of this security was held in MC Income Plus Financing SPV V LLC (the "SPV V") as collateral for the Company's secured revolving credit facility (the "SPV V Credit Facility") with Capital One, National Association (see Note 7 in the accompanying notes to the consolidated financial statements).
[26] All or a portion of this security was held in MC Income Plus Financing SPV LLC (the “SPV”) as collateral for the Company’s secured revolving credit facility (the “SPV Credit Facility”) with KeyBank National Association (see Note 7 in the accompanying notes to the consolidated financial statements).
[27] All or a portion of this security was held in MC Income Plus Financing SPV LLC (the “SPV”) as collateral for the Company’s secured revolving credit facility (the “SPV Credit Facility”) with KeyBank National Association (see Note 7 in the accompanying notes to the consolidated financial statements).
[28] All or a portion of this security was held in Monroe Capital Income Plus ABS Funding III, LLC (the “2025 Issuer”) as collateral for the Company’s asset-backed securitization (the “2025 ABS”) (see Note 7 in the accompanying notes to the consolidated financial statements).
[29] All or a portion of this security was held in Monroe Capital Income Plus ABS Funding III, LLC (the “2025 Issuer”) as collateral for the Company’s asset-backed securitization (the “2025 ABS”) (see Note 7 in the accompanying notes to the consolidated financial statements).
[30] The headquarters of this portfolio company is located in United Kingdom.
[31] The headquarters of this portfolio company is located in United Kingdom.
[32] All or a portion of this security was held in MC Income Plus Financing SPV III LLC (the “SPV III”) as collateral for the Company’s secured revolving credit facility (the “SPV III Credit Facility”) with Goldman Sachs Bank USA (see Note 7 in the accompanying notes to the consolidated financial statements).
[33] This loan is denominated in Canadian dollars and is translated into U.S. dollars as of the valuation date.
[34] This position was on non-accrual status as of December 31, 2025, meaning that the Company has ceased accruing interest income on the position. See Note 2 in the accompanying notes to the consolidated financial statements for additional information on the Company’s accounting policies.
[35] This loan is denominated in Canadian dollars and is translated into U.S. dollars as of the valuation date.
[36] This position was on non-accrual status as of March 31, 2026, meaning that the Company has ceased accruing interest income on the position. See Note 2 in the accompanying notes to the consolidated financial statements for additional information on the Company’s accounting policies.
[37] This is a demand note with no stated maturity.
[38] This is a demand note with no stated maturity.
[39] Reserved.
[40] The headquarters of this portfolio company is located in Luxembourg.
[41] This loan is denominated in Euros and is translated into U.S. dollars as of the valuation date.
[42] This loan is denominated in Euros and is translated into U.S. dollars as of the valuation date.
[43] This loan is denominated in Great Britain pounds and is translated into U.S. dollars as of the valuation date.
[44] This loan is denominated in Great Britain pounds and is translated into U.S. dollars as of the valuation date.
[45] The headquarters of this portfolio company is located in Canada.
[46] The headquarters of this portfolio company is located in Canada.
[47] The headquarters of this portfolio company is located in Luxembourg.
[48] Investment position or portion thereof unsettled as of March 31, 2026.
[49] As of December 31, 2025, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $835.
[50] As of March 31, 2026, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $835
[51] The headquarters of this portfolio company is located in Ireland.
[52] The headquarters of this portfolio company is located in France.
[53] As of March 31, 2026, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $889.
[54] The investment is subject to a servicing agreement whereby the Company earns a pooled effective yield of 14.7%.
[55] The investment is subject to a servicing agreement whereby the Company earns a pooled effective yield of 14.7%.
[56] The headquarters of this portfolio company is located in Finland.
[57] The headquarters of this portfolio company is located in Finland.
[58] As of March 31, 2026, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $1,091 for a total commitment of $3,536.
[59] As of December 31, 2025, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $1,091 for a total commitment of $3,536.
[60] Investment position or portion thereof unsettled as of December 31, 2025.
[61] As of December 31, 2025, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $565.
[62] As of March 31, 2026, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $257.
[63] As of March 31, 2026, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $556.
[64] As of December 31, 2025, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $24,478 for a total commitment of $45,000.
[65] As of March 31, 2026, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $24,203 for a total commitment of $45,000.
[66] The headquarters of this portfolio company is located in Australia.
[67] This loan is denominated in Australian dollars and is translated into U.S. dollars as of the valuation date.
[68] The headquarters of this portfolio company is located in Australia.
[69] This loan is denominated in Australian dollars and is translated into U.S. dollars as of the valuation date.
[70] As of December 31, 2025, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $884.
[71] As of March 31, 2026, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $884.
[72] The fair value of this investment was valued using Level 1 inputs. See Note 4 in the accompanying notes to the consolidated financial statements.
[73] The fair value of this investment was valued using Level 1 inputs. See Note 4 in the accompanying notes to the consolidated financial statements.
[74] As of December 31, 2025, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $34,952 for a total commitment of $41,855.
[75] As of March 31, 2026, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $34,953 for a total commitment of $41,855.
[76] As of December 31, 2025, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $1,197.
[77] As of March 31, 2026, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $1,197.