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Transactions with Affiliate Companies - Schedule of Fair Value Roll Forward (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [1],[2] $ 4,008,973    
PIK interest capitalized (cost) 3,145 $ 2,994  
Net realized gain (loss) 118 4  
Net change in unrealized gain (loss) (3,044) 7,617  
Fair value at the ending 4,520,627 [3],[4]   $ 4,008,973 [1],[2]
Non-controlled affiliate company investments      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 145,755 [1],[2] 75,314 75,314
Transfers in (out) 0 0  
Purchases (cost) 21,219 4,478  
Sales and paydowns (cost) (1,217) (46)  
PIK interest capitalized (cost) 517 69  
Discount accretion 81 30  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) (223) (643)  
Fair value at the ending 166,132 [3],[4] 79,202 145,755 [1],[2]
Non-controlled affiliate company investments | Born To Run, LLC.      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 2,308    
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) 158    
Fair value at the ending 2,466   2,308
Non-controlled affiliate company investments | ClearlyRated Capital (Class A Units)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 5,500 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) 0 0  
Fair value at the ending 5,500 5,500 5,500
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 0    
Transfers in (out) 0    
Purchases (cost) 7,490    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) (150)    
Fair value at the ending 7,340   0
Non-controlled affiliate company investments | Nastel Technologies, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 8,089 7,726 7,726
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 4 3  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 34 154  
Fair value at the ending 8,127 7,883 8,089
Non-controlled affiliate company investments | Second Avenue S F R Holdings I I L L C      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning   3,323 3,323
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   3,323  
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 18,618 19,123 19,123
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) 449 (1,298)  
Fair value at the ending 19,067 17,825 18,618
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 3,777    
Transfers in (out) 0    
Purchases (cost) 2,375    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 80    
Fair value at the ending 6,232   3,777
Non-controlled affiliate company investments | SheerTrans Solutions, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 19,751 15,252 15,252
Transfers in (out) 0 0  
Purchases (cost) 0 4,478  
Sales and paydowns (cost) (16) (16)  
PIK interest capitalized (cost) 79 69  
Discount accretion 9 6  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 236 (101)  
Fair value at the ending 20,059 19,688 19,751
Non-controlled affiliate company investments | Summit Professional Education, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 28,065    
Transfers in (out) 0    
Purchases (cost) 2,105    
Sales and paydowns (cost) (1,171)    
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 29,105   28,065
Non-controlled affiliate company investments | Triad Financial Services, Inc.      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 4,803    
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 4,803   4,803
Non-controlled affiliate company investments | Whistler Parent Holdings III, Inc.      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 26,291    
Transfers in (out) 0    
Purchases (cost) 414    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 438    
Discount accretion 27    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) (1,618)    
Fair value at the ending 25,552   26,291
Non-controlled affiliate company investments | YBR OZ ECE, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 0    
Transfers in (out) 0    
Purchases (cost) 8,835    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 2    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) (2)    
Fair value at the ending 8,835   0
Non-controlled affiliate company investments | Zodega Landscaping, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 28,553 24,390 24,390
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) (30) (30)  
PIK interest capitalized (cost) 0 0  
Discount accretion 27 21  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 496 602  
Fair value at the ending 29,046 24,983 28,553
Investment, Identifier [Axis]: 300 N. Michigan Mezz, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[6] 1,000    
Fair value at the ending 1,000 [4],[7],[8]   1,000 [2],[5],[6]
Investment, Identifier [Axis]: 3C Buyer LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 816    
Investment, Identifier [Axis]: 3C Buyer LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 1,624    
Investment, Identifier [Axis]: 3C Buyer LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 797    
Investment, Identifier [Axis]: 3C Buyer LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 2,940    
Investment, Identifier [Axis]: 3C Buyer LLC, Senior Secured Loans 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[10] 1,628    
Investment, Identifier [Axis]: 601 Lafayette Mezz LLC, Junior Secured Loans (Delayed Draw) 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[11],[12] 0    
Fair value at the ending 0 [4],[8],[9],[13]   0 [2],[6],[11],[12]
Investment, Identifier [Axis]: 601 Lafayette Mezz LLC, Junior Secured Loans (Delayed Draw) 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[11],[12] 0    
Fair value at the ending 0 [4],[8],[9],[13]   0 [2],[6],[11],[12]
Investment, Identifier [Axis]: 8th Avenue Food & Provisions, Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[14] 2,947    
Fair value at the ending 4,217 [4],[8],[15]   2,947 [2],[6],[14]
Investment, Identifier [Axis]: 8th Avenue Food & Provisions, Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[14] 1,963    
Fair value at the ending 7,768 [4],[8],[15]   1,963 [2],[6],[14]
Investment, Identifier [Axis]: 95 Percent Buyer, LLC, Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 948    
Fair value at the ending $ 857 [4],[17]   $ 948 [2],[16]
Number of shares held 385,027 [17]   385,027 [16]
Investment, Identifier [Axis]: 95 Percent Buyer, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[19],[20] $ 15,581    
Fair value at the ending 15,581 [4],[10],[21],[22]   $ 15,581 [2],[18],[19],[20]
Investment, Identifier [Axis]: 95 Percent Buyer, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: A360, Inc., Equity Securities, Common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 888    
Fair value at the ending $ 852 [4]   $ 888 [2]
Number of shares held 838   838
Investment, Identifier [Axis]: A360, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] $ 10,343    
Fair value at the ending 10,516 [4],[24]   $ 10,343 [2],[23]
Investment, Identifier [Axis]: A360, Inc., Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: A360, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 976 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: AMS Parent, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 10,943    
Fair value at the ending 14,874 [4],[25]   10,943 [2]
Investment, Identifier [Axis]: API Holdings III Corp., Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,398    
Fair value at the ending 1,478 [4]   1,398 [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] 156    
Fair value at the ending 160 [4]   156 [2]
Investment, Identifier [Axis]: ASG II, LLC, Unitranche Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 14,981    
Fair value at the ending 14,981 [4],[7]   14,981 [2],[5]
Investment, Identifier [Axis]: ASG II, LLC, Unitranche Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 2,247    
Fair value at the ending 2,247 [4]   2,247 [2]
Investment, Identifier [Axis]: ASG III, LLC (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: ASG III, LLC , Senior Secured Loans2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 8,505    
Fair value at the ending [2]     8,505
Investment, Identifier [Axis]: ASG III, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 4,255    
Fair value at the ending 4,255 [4],[9],[13]   4,255 [2],[11],[12]
Investment, Identifier [Axis]: ASG III, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: ASG III, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[23] 20,200    
Fair value at the ending 20,175 [4],[7],[24]   20,200 [2],[5],[23]
Investment, Identifier [Axis]: ASG III, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[25] 8,495    
Investment, Identifier [Axis]: Accelevation LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[24] 13,790    
Investment, Identifier [Axis]: Accelevation LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] 0    
Investment, Identifier [Axis]: Accelevation LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 428    
Investment, Identifier [Axis]: Acquia Inc, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 329    
Fair value at the ending [2],[11]     329
Investment, Identifier [Axis]: Acquia Inc, Senior Secured Loans. 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 15,429    
Fair value at the ending [2],[20]     15,429
Investment, Identifier [Axis]: Acquia Inc, Senior Secured Loans. 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 3,092    
Fair value at the ending [2],[26]     3,092
Investment, Identifier [Axis]: Acquia Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 588    
Investment, Identifier [Axis]: Acquia Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[22] 15,429    
Investment, Identifier [Axis]: Acquia Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[27] 3,092    
Investment, Identifier [Axis]: Adept AG Holdings, LLC, Equity Securities, Class A preferred units      
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, Equity Securities, Series B units      
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, Equity Securities, Series C preferred units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[17] $ 0    
Number of shares held [17] 67,283    
Investment, Identifier [Axis]: Adept AG Holdings, LLC, Equity Securities, Series L units      
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, Equity Securities, Series C preferred units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] $ 0    
Fair value at the ending [2],[16]     $ 0
Number of shares held [16]     67,283
Investment, Identifier [Axis]: Adept AG Holdings, LLC, Junior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[28] 1,674    
Fair value at the ending 1,709 [4],[8],[29],[30]   $ 1,674 [2],[6],[28]
Investment, Identifier [Axis]: Adept AG Holdings, LLC, Junior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[28] 2,037    
Fair value at the ending 1,583 [4],[8],[29],[30]   2,037 [2],[6],[28]
Investment, Identifier [Axis]: Adept AG Holdings, LLC, Junior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[28],[31] 0    
Fair value at the ending 0 [4],[8],[29],[30]   0 [2],[6],[28],[31]
Investment, Identifier [Axis]: Adept AG Holdings, LLC, Junior Secured Loans 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,409    
Fair value at the ending 1,437 [4],[30]   1,409 [2]
Investment, Identifier [Axis]: Adept AG Holdings, LLC, Junior Secured Loans 5      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,715    
Fair value at the ending 1,333 [4],[30]   1,715 [2]
Investment, Identifier [Axis]: Adept AG Holdings, LLC, Junior Secured Loans 6      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[31] 0    
Fair value at the ending 0 [4],[30]   0 [2],[31]
Investment, Identifier [Axis]: Adept AG Holdings, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[28] 5,228    
Fair value at the ending 5,254 [4],[8],[29],[30]   5,228 [2],[6],[28]
Investment, Identifier [Axis]: Adept AG Holdings, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 4,402    
Fair value at the ending 4,425 [4],[30]   4,402 [2]
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] 13,755    
Fair value at the ending 13,965 [4],[24]   13,755 [2]
Investment, Identifier [Axis]: Aligned Exteriors Group Holdco, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: Aligned Exteriors Group Holdco, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Ambient Enterprises Holdco, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 24,309    
Fair value at the ending [2]     24,309
Investment, Identifier [Axis]: Ambient Enterprises Holdco, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: Ambient Enterprises Holdco, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Ambient Enterprises Holdco, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[25] 19,238    
Investment, Identifier [Axis]: Ambient Enterprises Holdco, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[25] 5,348    
Investment, Identifier [Axis]: American Broadband and Telecommunications Company LLC, Equity Securities, Warrant to purchase the equity      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 68    
Fair value at the ending 71 [4]   68 [2]
Investment, Identifier [Axis]: American Broadband and Telecommunications Company LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[11],[12] 2,742    
Fair value at the ending 2,759 [4],[7],[9],[13]   2,742 [2],[5],[11],[12]
Investment, Identifier [Axis]: American Broadband and Telecommunications Company LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 252    
Fair value at the ending 254 [4],[9]   252 [2],[11]
Investment, Identifier [Axis]: Animal Dermatology Group, Inc, Senior Secured Loans. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: Animal Dermatology Group, Inc, Senior Secured Loans. 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[19] 9,830    
Fair value at the ending [2],[5],[19]     9,830
Investment, Identifier [Axis]: Animal Dermatology Group, Inc, Senior Secured Loans. 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 3,702    
Fair value at the ending [2]     3,702
Investment, Identifier [Axis]: Animal Dermatology Group, Inc., Senior Secured Loans (Delayed Draw) 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 2,000    
Fair value at the ending 3,116 [4],[9],[13]   2,000 [2],[11],[12]
Investment, Identifier [Axis]: Animal Dermatology Group, Inc., Senior Secured Loans (Delayed Draw) 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: Animal Dermatology Group, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: Animal Dermatology Group, Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7],[10] 9,825    
Investment, Identifier [Axis]: Animal Dermatology Group, Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 3,700    
Investment, Identifier [Axis]: AppLogic Networks OpCo I LLC (fka Sandvine Corporation), Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7] $ 0    
Number of shares held [7] 23,212    
Investment, Identifier [Axis]: AppLogic Networks OpCo I LLC (fka Sandvine Corporation), Equity Securities, Common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7] $ 92    
Number of shares held [7] 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 ending [4],[7],[30] $ 371    
Investment, Identifier [Axis]: Appriss Health, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 6,354    
Fair value at the ending 6,329 [4],[22]   6,354 [2],[20]
Investment, Identifier [Axis]: Appriss Health, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Aptean, Inc, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] 8,736    
Fair value at the ending [2],[23]     8,736
Investment, Identifier [Axis]: Aptean, Inc, Senior Secured Loans. (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 143    
Fair value at the ending [2],[11],[12]     143
Investment, Identifier [Axis]: Aptean, Inc, Senior Secured Loans. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: Aptean, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[24] 8,814    
Investment, Identifier [Axis]: Aptean, Inc., Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] 173    
Investment, Identifier [Axis]: Aptean, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: Aras Corporation, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[19] 5,377    
Fair value at the ending 5,326 [4],[7],[10]   5,377 [2],[5],[19]
Investment, Identifier [Axis]: Aras Corporation, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 278    
Fair value at the ending 278 [4],[9]   278 [2],[11]
Investment, Identifier [Axis]: Arax Midco, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[19] 11,503    
Fair value at the ending 11,912 [4],[8],[10],[27]   11,503 [2],[6],[19]
Investment, Identifier [Axis]: Arax Midco, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[11],[12] 0    
Fair value at the ending 0 [4],[8],[9],[13]   0 [2],[6],[11],[12]
Investment, Identifier [Axis]: Arax Midco, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[11] 0    
Fair value at the ending 0 [4],[8],[9]   0 [2],[6],[11]
Investment, Identifier [Axis]: Arcserve Cayman GP LLC (fka Arcstor Midco, LLC), Equity Securities, Class A common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 0    
Fair value at the ending [2]     $ 0
Number of shares held     157,895
Investment, Identifier [Axis]: Arcserve Cayman GP LLC (fka Arcstor Midco, LLC), Equity Securities, Class B common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 0    
Fair value at the ending [2]     $ 0
Number of shares held     294,118
Investment, Identifier [Axis]: Arcserve Cayman GP LLC, Equity Securities, Class A common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 0    
Number of shares held 157,895    
Investment, Identifier [Axis]: Arcserve Cayman GP LLC, Equity Securities, Class B common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 0    
Number of shares held 294,118    
Investment, Identifier [Axis]: Arcserve Cayman Opco LP (fka Arcstor Midco, LLC), Equity Securities, Class A common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 1,474    
Fair value at the ending [2]     $ 1,474
Number of shares held     157,895
Investment, Identifier [Axis]: Arcserve Cayman Opco LP (fka Arcstor Midco, LLC), Equity Securities, Class B common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 2,745    
Fair value at the ending [2]     $ 2,745
Number of shares held     294,118
Investment, Identifier [Axis]: Arcserve Cayman Opco LP (fka Arcstor Midco, LLC), Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[32] 0    
Fair value at the ending [2],[32]     $ 0
Investment, Identifier [Axis]: Arcserve Cayman Opco LP (fka Arcstor Midco, LLC), Junior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[32] 468    
Fair value at the ending [2],[32]     468
Investment, Identifier [Axis]: Arcserve Cayman Opco LP (fka Arcstor Midco, LLC), Junior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[32] 478    
Fair value at the ending [2],[32]     478
Investment, Identifier [Axis]: Arcserve Cayman Opco LP, Equity Securities, Class A common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 1,856    
Number of shares held 157,895    
Investment, Identifier [Axis]: Arcserve Cayman Opco LP, Equity Securities, Class B common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 3,458    
Number of shares held 294,118    
Investment, Identifier [Axis]: Arcserve Cayman Opco LP, Junior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[30] $ 0    
Investment, Identifier [Axis]: Arcserve Cayman Opco LP, Junior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[30] 478    
Investment, Identifier [Axis]: Arcserve Cayman Opco LP, Junior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[30] 489    
Investment, Identifier [Axis]: Arcserve Cayman Opco LP, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13],[30] 882    
Investment, Identifier [Axis]: Arcserve Cayman Opco LP, Senior Secured Loans (fka Arcstor Midco, LLC) (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12],[32] 882    
Fair value at the ending [2],[11],[12],[32]     882
Investment, Identifier [Axis]: Argano, LLC, Equity Securities, Common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 533    
Fair value at the ending $ 473 [4],[17]   $ 533 [2],[16]
Number of shares held 62,574 [17]   62,574 [16]
Investment, Identifier [Axis]: Arizona Natural Resources, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] $ 1,776    
Fair value at the ending [2],[11]     $ 1,776
Investment, Identifier [Axis]: Arizona Natural Resources, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[19] 13,531    
Fair value at the ending [2],[18],[19]     13,531
Investment, Identifier [Axis]: Arizona Natural Resources, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19] 2,484    
Fair value at the ending [2],[19]     2,484
Investment, Identifier [Axis]: Arizona Natural Resources, LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 6,739    
Fair value at the ending [2],[5]     6,739
Investment, Identifier [Axis]: Arizona Natural Resources, LLC, Senior Secured Loans 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 2,910    
Fair value at the ending [2],[20]     2,910
Investment, Identifier [Axis]: Ascent Midco, LLC, Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[17] $ 528    
Number of shares held [17] 725,806    
Investment, Identifier [Axis]: Ascent Midco, LLC, Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] $ 629    
Fair value at the ending [2],[16]     $ 629
Number of shares held [16]     725,806
Investment, Identifier [Axis]: Aston US Finco, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[14],[33] 9,148    
Fair value at the ending 18,217 [4],[8],[15],[34]   $ 9,148 [2],[6],[14],[33]
Investment, Identifier [Axis]: Avalara, Inc, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 10,075    
Fair value at the ending [2],[20]     10,075
Investment, Identifier [Axis]: Avalara, Inc, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: Avison Young (USA) Inc, Junior Secured Loans. 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[32],[35] 1,495    
Fair value at the ending [2],[6],[32],[35]     1,495
Investment, Identifier [Axis]: Avison Young (USA) Inc, Junior Secured Loans. 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[32],[35] 380    
Fair value at the ending [2],[6],[32],[35]     380
Investment, Identifier [Axis]: Avison Young (USA) Inc., Equity Securities, Class A preferred shares      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[32],[35] 774    
Fair value at the ending $ 611 [4],[8],[30],[36]   $ 774 [2],[6],[32],[35]
Number of shares held 2,036,442 [8],[30],[36]   2,036,442 [6],[32],[35]
Investment, Identifier [Axis]: Avison Young (USA) Inc., Equity Securities, Class F common shares      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[35] $ 0    
Fair value at the ending $ 0 [4],[8],[36]   $ 0 [2],[6],[35]
Number of shares held 1,521 [8],[36]   1,521 [6],[35]
Investment, Identifier [Axis]: Avison Young (USA) Inc., Junior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8],[30],[36] $ 1,522    
Investment, Identifier [Axis]: Avison Young (USA) Inc., Junior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8],[30],[36] 364    
Investment, Identifier [Axis]: Avison Young (USA) Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[32],[35] 768    
Fair value at the ending 761 [4],[8],[30],[36]   $ 768 [2],[6],[32],[35]
Investment, Identifier [Axis]: B2B Industrial Products LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 9,469    
Fair value at the ending 9,440 [4],[7]   9,469 [2],[5]
Investment, Identifier [Axis]: B2B Industrial Products LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 2,191    
Fair value at the ending 2,185 [4],[7]   2,191 [2],[5]
Investment, Identifier [Axis]: BLP Buyer, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 1,427    
Fair value at the ending 2,340 [4],[9]   1,427 [2],[11]
Investment, Identifier [Axis]: BLP Buyer, Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[18],[19],[23],[26] 50,098    
Fair value at the ending 49,749 [4],[7],[10],[21],[24],[27]   50,098 [2],[5],[18],[19],[23],[26]
Investment, Identifier [Axis]: BLP Buyer, Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7] 1,895    
Investment, Identifier [Axis]: BLP Buyer, Inc., Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 6,027    
Fair value at the ending 5,985 [4],[25]   6,027 [2]
Investment, Identifier [Axis]: BLP Buyer, Inc., Senior Secured Loans. 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 1,909    
Fair value at the ending [2],[5]     1,909
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 (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 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   1,131
Investment, Identifier [Axis]: BTR Opco LLC (fka Born To Run, LLC) (Class A common units)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Number of units held 659    
Investment, Identifier [Axis]: BTR Opco LLC (fka Born To Run, LLC), Equity Securities, Class A common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 0    
Fair value at the ending [2]     $ 0
Number of shares held     659
Investment, Identifier [Axis]: BTR Opco LLC (fka Born to Run, LLC), Junior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[32] 1,177    
Fair value at the ending [2],[32]     $ 1,177
Investment, Identifier [Axis]: BTR Opco LLC (fka Born to Run, LLC), Junior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[32] 0    
Fair value at the ending [2],[32]     0
Investment, Identifier [Axis]: BTR Opco LLC (fka Born to Run, LLC), Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,131    
Fair value at the ending [2]     1,131
Investment, Identifier [Axis]: BTR Opco LLC 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 1,177    
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) 120    
Fair value at the ending 1,297   1,177
Investment, Identifier [Axis]: BTR Opco LLC 2      
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, Equity Securities, Class A common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 0    
Number of shares held 659    
Investment, Identifier [Axis]: BTR Opco LLC, Junior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[30] $ 1,297    
Investment, Identifier [Axis]: BTR Opco LLC, Junior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[30] 0    
Investment, Identifier [Axis]: BTR Opco LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13],[30] 1,169    
Investment, Identifier [Axis]: BTRS Holdings Inc, Senior Secured Loans.      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19] 10,000    
Fair value at the ending [2],[19]     10,000
Investment, Identifier [Axis]: BTRS Holdings Inc, Senior Secured Loans. (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 842    
Fair value at the ending [2]     842
Investment, Identifier [Axis]: BTRS Holdings Inc, Senior Secured Loans. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 400    
Fair value at the ending [2],[11]     400
Investment, Identifier [Axis]: BTRS Holdings Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[10] 26,398    
Investment, Identifier [Axis]: BTRS Holdings Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 2,255    
Investment, Identifier [Axis]: BW 51f, L.P, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6] 9,000    
Fair value at the ending [2],[6]     9,000
Investment, Identifier [Axis]: BW 51f, L.P., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8] 9,000    
Investment, Identifier [Axis]: Bench Walk Lead, LL, Equity Securities, Commitment to purchase the equity      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[16] 1,638    
Fair value at the ending [2],[6],[16]     1,638
Investment, Identifier [Axis]: Bench Walk Lead, LLC, Equity Securities, Commitment to purchase the equity      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8],[17] 1,774    
Investment, Identifier [Axis]: Bench Walk Lead, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8],[9],[13] 4,181    
Investment, Identifier [Axis]: Bench Walk Lead, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6] 28,256    
Fair value at the ending 28,256 [4],[8]   28,256 [2],[6]
Investment, Identifier [Axis]: Bench Walk Lead, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6] 1,671    
Fair value at the ending 1,671 [4],[8]   1,671 [2],[6]
Investment, Identifier [Axis]: Bloomerang, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[19],[23] 15,989    
Fair value at the ending [2],[5],[19],[23]     15,989
Investment, Identifier [Axis]: Bloomerang, LLC (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending [2],[11],[12]     0
Investment, Identifier [Axis]: Bloomerang, LLC (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 240    
Fair value at the ending [2],[11]     240
Investment, Identifier [Axis]: Bloomerang, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7],[10],[24] 15,979    
Investment, Identifier [Axis]: Bloomerang, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] 1,598    
Investment, Identifier [Axis]: Bloomerang, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: Bluesight, Inc, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: Bluesight, Inc, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19],[20],[23] 30,087    
Fair value at the ending [2],[19],[20],[23]     30,087
Investment, Identifier [Axis]: Bluesight, Inc., Equity Securities, Class A preferred units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 528    
Number of shares held 528    
Investment, Identifier [Axis]: Bluesight, Inc., Equity Securities, Class B common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 22    
Number of shares held 282,635    
Investment, Identifier [Axis]: Bluesight, Inc., Equity Securities, Class A preferred units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 528    
Fair value at the ending [2]     $ 528
Number of shares held     528
Investment, Identifier [Axis]: Bluesight, Inc., Equity Securities, Class B common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 0    
Fair value at the ending [2]     $ 0
Number of shares held     282,635
Investment, Identifier [Axis]: Bluesight, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: Bluesight, Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[10],[22],[24] 30,309    
Investment, Identifier [Axis]: Bluesight, Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 3,924    
Fair value at the ending 3,953 [4],[25]   $ 3,924 [2]
Investment, Identifier [Axis]: Bluesight, Inc., Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] 26,163    
Fair value at the ending 26,356 [4],[24]   26,163 [2],[23]
Investment, Identifier [Axis]: Bonterra LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 1,151    
Fair value at the ending [2],[11]     1,151
Investment, Identifier [Axis]: Bonterra LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19],[20] 18,875    
Fair value at the ending [2],[19],[20]     18,875
Investment, Identifier [Axis]: Bonterra LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 3,101    
Fair value at the ending [2]     3,101
Investment, Identifier [Axis]: Brickell Bay Acquisition Corp, Senior Secured Loans. 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[20] 2,479    
Fair value at the ending [2],[18],[20]     2,479
Investment, Identifier [Axis]: Brickell Bay Acquisition Corp, Senior Secured Loans. 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 6,898    
Fair value at the ending [2],[5]     6,898
Investment, Identifier [Axis]: Burgess Point Purchaser Corporation, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 4,395    
Fair value at the ending 4,365 [4],[7]   4,395 [2],[5]
Investment, Identifier [Axis]: CE Intermediate, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[19],[20],[26] 37,740    
Fair value at the ending 37,237 [4],[7],[10],[22],[27]   37,740 [2],[5],[19],[20],[26]
Investment, Identifier [Axis]: CGI Automated Manufacturing, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7] 8,345    
Investment, Identifier [Axis]: CGI Automated Manufacturing, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7] 5,310    
Investment, Identifier [Axis]: CGI Automated Manufacturing, LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7] 10,161    
Investment, Identifier [Axis]: CGI Automated Manufacturing, LLC., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 8,485    
Fair value at the ending [2],[5]     8,485
Investment, Identifier [Axis]: CGI Automated Manufacturing, LLC., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 5,399    
Fair value at the ending [2],[5]     5,399
Investment, Identifier [Axis]: CGI Automated Manufacturing, LLC., Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 10,331    
Fair value at the ending [2],[5]     10,331
Investment, Identifier [Axis]: Calabrio, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 413    
Fair value at the ending 413 [4],[9]   413 [2],[11]
Investment, Identifier [Axis]: Calabrio, Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 1,170    
Fair value at the ending 1,173 [4],[22]   1,170 [2],[20]
Investment, Identifier [Axis]: Calabrio, Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 7,960    
Fair value at the ending 7,940 [4],[22]   7,960 [2],[20]
Investment, Identifier [Axis]: Calienger Holdings, L.L.C, Senior Secured Loans.      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] 4,912    
Fair value at the ending [2],[18]     4,912
Investment, Identifier [Axis]: Calienger Holdings, L.L.C, Senior Secured Loans. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: Calienger Holdings, L.L.C., Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 568    
Fair value at the ending $ 568 [4],[17]   $ 568 [2],[16]
Number of shares held 568,181 [17]   568,181 [16]
Investment, Identifier [Axis]: Calienger Holdings, L.L.C., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[21] $ 4,900    
Investment, Identifier [Axis]: Calienger Holdings, L.L.C., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: Caravel Autism Health, LLC, Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 3,600    
Fair value at the ending $ 3,600 [4],[17]   $ 3,600 [2],[16]
Number of shares held 3,600 [17]   3,600 [16]
Investment, Identifier [Axis]: Caravel Autism Health, LLC, Equity Securities, Class B units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] $ 521    
Fair value at the ending $ 1,134 [4],[17]   $ 521 [2],[16]
Number of shares held 4,011 [17]   4,011 [16]
Investment, Identifier [Axis]: Caravel Autism Health, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[23] $ 18,135    
Fair value at the ending 17,910 [4],[7],[24]   $ 18,135 [2],[5],[23]
Investment, Identifier [Axis]: Caravel Autism Health, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: Caravel Autism Health, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Cardinal Parent, INC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[15] 3,821    
Investment, Identifier [Axis]: Catalyst Data Holdings, Inc., Equity Securities, Common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[37] 4,178    
Fair value at the ending $ 4,178 [4],[38]   $ 4,178 [2],[37]
Number of shares held 4,177 [38]   4,177 [37]
Investment, Identifier [Axis]: Catalyst Data Holdings, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 16,252    
Fair value at the ending 16,500 [4],[27]   $ 16,252 [2]
Investment, Identifier [Axis]: Catalyst Data Holdings, Inc., Senior Secured Loans (Delayed Draw) 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: Catalyst Data Holdings, Inc., Senior Secured Loans (Delayed Draw) 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: Catalyst Data Holdings, Inc., Senior Secured Loans (Delayed Draw) 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 92 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: Catalyst Data Holdings, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Cdata Software, Inc.      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19],[23] 45,950    
Fair value at the ending [2],[19],[23]     45,950
Investment, Identifier [Axis]: Cdata Software, Inc. (Delayed Draw) 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending [2],[11],[12]     0
Investment, Identifier [Axis]: Cdata Software, Inc. (Delayed Draw) 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 2,340    
Fair value at the ending [2],[11],[12]     2,340
Investment, Identifier [Axis]: Cdata Software, Inc. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: Cdata Software, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[10],[24] 45,950    
Investment, Identifier [Axis]: Cdata Software, Inc., Senior Secured Loans (Delayed Draw) 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] 0    
Investment, Identifier [Axis]: Cdata Software, Inc., Senior Secured Loans (Delayed Draw) 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] 2,340    
Investment, Identifier [Axis]: Cdata Software, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: Central Moloney, LLC, Equity Securities, Class A preferred units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 3,509    
Fair value at the ending $ 3,509 [4]   $ 3,509 [2]
Number of shares held 6,029   6,029
Investment, Identifier [Axis]: Central Moloney, LLC, Equity Securities, Class B common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 10,189    
Fair value at the ending $ 16,433 [4]   $ 10,189 [2]
Number of shares held 6,029   6,029
Investment, Identifier [Axis]: Central Moloney, LLC, Equity Securities, Class G units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 66    
Fair value at the ending $ 131 [4]   $ 66 [2]
Number of shares held 63   63
Investment, Identifier [Axis]: Chess.com, LLC, Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] $ 100    
Fair value at the ending $ 81 [4],[17]   $ 100 [2],[16]
Number of shares held 5 [17]   5 [16]
Investment, Identifier [Axis]: Chess.com, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[20] $ 12,611    
Fair value at the ending 12,578 [4],[21],[22]   $ 12,611 [2],[18],[20]
Investment, Identifier [Axis]: Chess.com, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: ClearlyRated Capital, LLC (Class A units)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 5,500 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) 0 0  
Fair value at the ending $ 5,500 $ 5,500 5,500
Number of units held 5,500,000 5,500,000  
Investment, Identifier [Axis]: ClearlyRated Capital, LLC, Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] $ 5,500    
Fair value at the ending $ 5,500 [4],[17]   $ 5,500 [2],[16]
Number of shares held 5,500,000 [17]   5,500,000 [16]
Investment, Identifier [Axis]: Cloud for Good, LLC, Equity Securities, Common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 5,000    
Number of shares held 5,000,000    
Investment, Identifier [Axis]: Cloud for Good, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 17,281    
Investment, Identifier [Axis]: Cloud for Good, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] 0    
Investment, Identifier [Axis]: Cloud for Good, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: Clydesdale Holdings, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 2,302    
Fair value at the ending 2,930 [4],[9],[13]   $ 2,302 [2],[11],[12]
Investment, Identifier [Axis]: Clydesdale Holdings, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Clydesdale Holdings, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 4,977    
Fair value at the ending 4,975 [4],[7]   4,977 [2],[5]
Investment, Identifier [Axis]: Clydesdale Holdings, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[20] 4,977    
Fair value at the ending 4,975 [4],[7],[22]   4,977 [2],[5],[20]
Investment, Identifier [Axis]: Clydesdale Holdings, LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[18],[26] 14,531    
Fair value at the ending 14,530 [4],[7],[21],[27]   14,531 [2],[5],[18],[26]
Investment, Identifier [Axis]: Clydesdale Holdings, LLC, Senior Secured Loans 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] 20,666    
Fair value at the ending 20,666 [4],[24]   20,666 [2],[23]
Investment, Identifier [Axis]: Cohere Beauty, Phoenix LLC (fka Arizona Natural Resources, LLC), Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 889    
Investment, Identifier [Axis]: Cohere Beauty, Phoenix LLC (fka Arizona Natural Resources, LLC), Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[10],[21] 13,510    
Investment, Identifier [Axis]: Cohere Beauty, Phoenix LLC (fka Arizona Natural Resources, LLC), Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[10] 2,480    
Investment, Identifier [Axis]: Cohere Beauty, Phoenix LLC (fka Arizona Natural Resources, LLC), Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7] 6,729    
Investment, Identifier [Axis]: Cohere Beauty, Phoenix LLC (fka Arizona Natural Resources, LLC), Senior Secured Loans 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[22] 2,906    
Investment, Identifier [Axis]: Cohere Beauty, Phoenix LLC (fka Arizona Natural Resources, LLC), Senior Secured Loans 5      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 2,761    
Investment, Identifier [Axis]: Commscope, Inc, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[14] 3,053    
Fair value at the ending [2],[6],[14]     3,053
Investment, Identifier [Axis]: Cosmos Bidco, Inc, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 1,729    
Fair value at the ending [2],[11],[12]     1,729
Investment, Identifier [Axis]: Cosmos Bidco, Inc, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: Cosmos Bidco, Inc, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19],[20],[23] 36,306    
Fair value at the ending [2],[19],[20],[23]     36,306
Investment, Identifier [Axis]: Cosmos Bidco, Inc, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 6,807    
Fair value at the ending [2]     6,807
Investment, Identifier [Axis]: Cosmos Bidco, Inc., Equity Securities, Class A Membership Interest      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 2,780    
Fair value at the ending $ 2,507 [4]   $ 2,780 [2]
Number of shares held 2,250,000   2,250,000
Investment, Identifier [Axis]: Cosmos Bidco, Inc., Senior Secured Loans (Delayed Draw) 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] $ 0    
Investment, Identifier [Axis]: Cosmos Bidco, Inc., Senior Secured Loans (Delayed Draw) 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] 4,127    
Investment, Identifier [Axis]: Cosmos Bidco, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: Cosmos Bidco, Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[10],[22],[24] 36,108    
Investment, Identifier [Axis]: Cosmos Bidco, Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[25] 6,770    
Investment, Identifier [Axis]: Cosmos Bidco, Inc., Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[25] 18,883    
Investment, Identifier [Axis]: Cpex Purchaser, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19],[20] 36,216    
Fair value at the ending [2],[19],[20]     $ 36,216
Investment, Identifier [Axis]: Cpex Purchaser, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 2,168    
Fair value at the ending [2],[11],[12]     2,168
Investment, Identifier [Axis]: Cpex Purchaser, LLC, Senior Secured Loans (Delayed Draw) 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] 0    
Investment, Identifier [Axis]: Cpex Purchaser, LLC, Senior Secured Loans (Delayed Draw) 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] 2,872    
Investment, Identifier [Axis]: Cpex Purchaser, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Cpex Purchaser, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[10],[22] 36,324    
Investment, Identifier [Axis]: Cpex Purchaser, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 6,399    
Investment, Identifier [Axis]: Crownpeak Technology, Inc, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 125    
Fair value at the ending [2]     125
Investment, Identifier [Axis]: Crownpeak Technology, Inc, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 1,022    
Fair value at the ending [2],[20]     1,022
Investment, Identifier [Axis]: Crownpeak Technology, Inc, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 15    
Fair value at the ending [2],[20]     15
Investment, Identifier [Axis]: Crownpeak Technology, Inc, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 320    
Fair value at the ending [2],[20]     320
Investment, Identifier [Axis]: Crownpeak Technology, Inc, Senior Secured Loans 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19] 852    
Fair value at the ending [2],[19]     852
Investment, Identifier [Axis]: Crownpeak Technology, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 125    
Investment, Identifier [Axis]: Crownpeak Technology, Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[22] 1,042    
Investment, Identifier [Axis]: Crownpeak Technology, Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[22] 16    
Investment, Identifier [Axis]: Crownpeak Technology, Inc., Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[22] 326    
Investment, Identifier [Axis]: Crownpeak Technology, Inc., Senior Secured Loans 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[10] 868    
Investment, Identifier [Axis]: DRI Holding Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[15] 2,502    
Investment, Identifier [Axis]: DS Parent, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[25] 18,535    
Investment, Identifier [Axis]: DS Parent, Inc.., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 18,947    
Fair value at the ending [2]     18,947
Investment, Identifier [Axis]: DataOnline Corp, Senior Secured Loans.      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[19],[20],[23],[26] 34,762    
Fair value at the ending [2],[18],[19],[20],[23],[26]     34,762
Investment, Identifier [Axis]: DataOnline Corp, Senior Secured Loans. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 555    
Fair value at the ending [2],[11]     555
Investment, Identifier [Axis]: DataOnline Corp., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[10],[21],[22],[24],[27] 34,670    
Investment, Identifier [Axis]: DataOnline Corp., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 1,481    
Investment, Identifier [Axis]: Demakes Borrower, LLC , Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] 4,865    
Fair value at the ending [2],[18]     4,865
Investment, Identifier [Axis]: Demakes Borrower, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[21] 4,863    
Investment, Identifier [Axis]: Demakes Borrower, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: Destination Media, Inc, Senior Secured Loans. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 134    
Fair value at the ending [2],[11]     134
Investment, Identifier [Axis]: Destination Media, Inc, Senior Secured Loans. 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[26] 6,531    
Fair value at the ending [2],[18],[26]     6,531
Investment, Identifier [Axis]: Destination Media, Inc, Senior Secured Loans. 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,506    
Fair value at the ending [2]     1,506
Investment, Identifier [Axis]: Destination Media, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 134    
Investment, Identifier [Axis]: Destination Media, Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[21],[27] 6,514    
Investment, Identifier [Axis]: Destination Media, Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 1,502    
Investment, Identifier [Axis]: Dorado Acquisition, Inc, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: Dorado Acquisition, Inc, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[20] 13,206    
Fair value at the ending [2],[5],[20]     13,206
Investment, Identifier [Axis]: Dorado Acquisition, Inc, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 10,938    
Fair value at the ending [2],[5]     10,938
Investment, Identifier [Axis]: Dorado Acquisition, Inc., Equity Securities, Class A-1 units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 390    
Fair value at the ending $ 505 [4]   $ 390 [2]
Number of shares held 531,783   531,783
Investment, Identifier [Axis]: Dorado Acquisition, Inc., Equity Securities, Class A-2 units      
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 531,783   531,783
Investment, Identifier [Axis]: Dorado Acquisition, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] $ 0    
Investment, Identifier [Axis]: Dorado Acquisition, Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7],[22] 13,207    
Investment, Identifier [Axis]: Dorado Acquisition, Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7] 10,942    
Investment, Identifier [Axis]: Douglas Holdings, Inc, Senior Secured Loans. (Delayed Draw) 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending [2],[11],[12]     $ 0
Investment, Identifier [Axis]: Douglas Holdings, Inc, Senior Secured Loans. (Delayed Draw) 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending [2],[11],[12]     0
Investment, Identifier [Axis]: Douglas Holdings, Inc, Senior Secured Loans. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: Douglas Holdings, Inc., Equity Securities, Class A common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 597    
Fair value at the ending $ 597 [4]   $ 597 [2]
Number of shares held 573,847   573,847
Investment, Identifier [Axis]: Douglas Holdings, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19] $ 24,912    
Fair value at the ending 25,005 [4],[10]   $ 24,912 [2],[19]
Investment, Identifier [Axis]: Douglas Holdings, Inc., Senior Secured Loans (Delayed Draw) 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] 0    
Investment, Identifier [Axis]: Douglas Holdings, Inc., Senior Secured Loans (Delayed Draw) 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 481    
Fair value at the ending 825 [4],[9],[13]   481 [2],[11],[12]
Investment, Identifier [Axis]: Douglas Holdings, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: Drawbridge Partners, LLC, Equity Securities, Class A-1 units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 783    
Fair value at the ending $ 814 [4]   $ 783 [2]
Number of shares held 652,174   652,174
Investment, Identifier [Axis]: Drawbridge Partners, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] $ 15,000    
Fair value at the ending 15,000 [4],[22]   $ 15,000 [2],[20]
Investment, Identifier [Axis]: Drawbridge Partners, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 3,974    
Fair value at the ending 3,974 [4],[9],[13]   3,974 [2],[11],[12]
Investment, Identifier [Axis]: Drawbridge Partners, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Dusk Acquisition II Corporation, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 27,651    
Fair value at the ending 27,649 [4],[27]   27,651 [2],[26]
Investment, Identifier [Axis]: Dusk Acquisition II Corporation, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 37,177    
Fair value at the ending 37,175 [4]   37,177 [2]
Investment, Identifier [Axis]: E-Discovery Acquireco, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 545 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: E-Discovery Acquireco, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[19] 20,400    
Fair value at the ending 20,350 [4],[7],[10]   20,400 [2],[5],[19]
Investment, Identifier [Axis]: E-Discovery Acquireco, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 3,273    
Fair value at the ending 3,289 [4],[7]   3,273 [2],[5]
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],[6],[18],[39] 4,820    
Fair value at the ending [2],[6],[18],[39]     4,820
Investment, Identifier [Axis]: EOS Finco S.A.R.L., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8],[21],[30],[40] 2,996    
Investment, Identifier [Axis]: 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 ending [4],[8],[15],[41] 2,486    
Investment, Identifier [Axis]: Edustaff, LLC, Equity Securities, Shares of common stock      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 1,025    
Fair value at the ending $ 1,068 [4],[17]   $ 1,025 [2],[16]
Number of shares held 591 [17]   591 [16]
Investment, Identifier [Axis]: Edustaff, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[19] $ 11,773    
Fair value at the ending 11,773 [4],[7],[10]   $ 11,773 [2],[5],[19]
Investment, Identifier [Axis]: Edustaff, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Einstein Parent, INC., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[25],[27] 36,043    
Investment, Identifier [Axis]: Einstein Parent, INC., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: Epika Fleet Services, Inc, Senior Secured Loans. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 656    
Fair value at the ending [2],[11]     656
Investment, Identifier [Axis]: Epika Fleet Services, Inc, Senior Secured Loans. 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] 9,775    
Fair value at the ending [2],[23]     9,775
Investment, Identifier [Axis]: Epika Fleet Services, Inc., Equity Securities, Preferred units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,129    
Fair value at the ending $ 1,543 [4]   $ 1,129 [2]
Number of shares held 44,348   44,348
Investment, Identifier [Axis]: Epika Fleet Services, Inc., Senior Secured Loans (Delayed Draw) 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] $ 2,744    
Fair value at the ending 3,215 [4],[9],[13]   $ 2,744 [2],[11],[12]
Investment, Identifier [Axis]: Epika Fleet Services, Inc., Senior Secured Loans (Delayed Draw) 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 2,128    
Fair value at the ending 2,114 [4],[9],[13]   2,128 [2],[11],[12]
Investment, Identifier [Axis]: Epika Fleet Services, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 1,395    
Investment, Identifier [Axis]: Epika Fleet Services, Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[18] 16,943    
Fair value at the ending 16,830 [4],[7],[21]   16,943 [2],[5],[18]
Investment, Identifier [Axis]: Epika Fleet Services, Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[24] 9,710    
Investment, Identifier [Axis]: Equine Network, LLC, Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 123    
Fair value at the ending $ 113 [4],[17]   $ 123 [2],[16]
Number of shares held 92 [17]   92 [16]
Investment, Identifier [Axis]: EverService Midco, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[18],[23],[26] $ 54,725    
Fair value at the ending 38,826 [4],[7],[21],[24],[27]   $ 54,725 [2],[5],[18],[23],[26]
Investment, Identifier [Axis]: EverService Midco, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Evolve Biologics Inc., Equity Securities, Warrant to purchase the equity 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6] 0    
Fair value at the ending 0 [4],[8]   0 [2],[6]
Investment, Identifier [Axis]: Evolve Biologics Inc., Equity Securities, Warrant to purchase the equity 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[6] 111    
Fair value at the ending 110 [4],[7],[8]   111 [2],[5],[6]
Investment, Identifier [Axis]: Excelligence Learning Corporation, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[18] 12,109    
Fair value at the ending 11,958 [4],[7],[21]   12,109 [2],[5],[18]
Investment, Identifier [Axis]: Excelligence Learning Corporation, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 205    
Fair value at the ending 1,865 [4],[9]   205 [2],[11]
Investment, Identifier [Axis]: Expedited Travel, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[19],[20],[26] 11,973    
Fair value at the ending 10,243 [4],[10],[21],[22],[27]   11,973 [2],[18],[19],[20],[26]
Investment, Identifier [Axis]: Expedited Travel, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Express Wash Acquisition Company, LLC, Equity Securities, Class A common units      
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 34,944 [17]   34,944 [16]
Investment, Identifier [Axis]: Express Wash Acquisition Company, LLC, Equity Securities, Class A preferred units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] $ 15    
Fair value at the ending $ 6 [4],[17]   $ 15 [2],[16]
Number of shares held 35 [17]   35 [16]
Investment, Identifier [Axis]: Express Wash Acquisition Company, LLC, Equity Securities, Class B common units      
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 164,381 [17]   164,381 [16]
Investment, Identifier [Axis]: Express Wash Acquisition Company, LLC, Equity Securities, Class B preferred units      
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 164 [17]   164 [16]
Investment, Identifier [Axis]: Express Wash Acquisition Company, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] $ 294    
Fair value at the ending 295 [4],[9]   $ 294 [2],[11]
Investment, Identifier [Axis]: Express Wash Acquisition Company, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 9,948    
Fair value at the ending 9,985 [4]   9,948 [2]
Investment, Identifier [Axis]: Express Wash Acquisition Company, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 2,108    
Fair value at the ending 2,111 [4]   2,108 [2]
Investment, Identifier [Axis]: FH BMX Buyer, Inc, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 9,145    
Fair value at the ending [2]     9,145
Investment, Identifier [Axis]: FH BMX Buyer, Inc, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending [2],[11],[12]     0
Investment, Identifier [Axis]: FH BMX Buyer, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 9,091    
Investment, Identifier [Axis]: FH BMX Buyer, Inc., Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] 0    
Investment, Identifier [Axis]: Fiasco Enterprises, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Fiasco Enterprises, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 6,702    
Fair value at the ending 6,702 [4],[24]   6,702 [2]
Investment, Identifier [Axis]: Fiasco Enterprises, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 8,084    
Fair value at the ending 8,084 [4],[7],[24]   8,084 [2],[5]
Investment, Identifier [Axis]: First Brands Group, LLC, Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[23] 13,137    
Fair value at the ending 13,425 [4],[21],[24]   13,137 [2],[18],[23]
Investment, Identifier [Axis]: First Brands Group, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 48,840    
Investment, Identifier [Axis]: Forest Buyer, LLC, Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 841    
Fair value at the ending $ 906 [4],[17]   $ 841 [2],[16]
Number of shares held 906 [17]   906 [16]
Investment, Identifier [Axis]: Forest Buyer, LLC, Equity Securities, Class B units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] $ 849    
Fair value at the ending $ 1,159 [4],[17]   $ 849 [2],[16]
Number of shares held 906 [17]   906 [16]
Investment, Identifier [Axis]: Forest Buyer, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] $ 0    
Fair value at the ending 0 [4],[9]   $ 0 [2],[11]
Investment, Identifier [Axis]: Forest Buyer, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19] 21,456    
Fair value at the ending 21,402 [4],[10],[25]   21,456 [2],[19]
Investment, Identifier [Axis]: Forest Buyer, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[20],[23] 14,572    
Fair value at the ending 14,535 [4],[7],[22],[24]   14,572 [2],[5],[20],[23]
Investment, Identifier [Axis]: Fortra, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] 13,109    
Fair value at the ending 13,575 [4],[24]   13,109 [2],[23]
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],[19],[26] 51,439    
Fair value at the ending 51,535 [4],[10],[25],[27]   51,439 [2],[19],[26]
Investment, Identifier [Axis]: Freedom U.S. Acquisition Corporation, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Fueled Digital Media, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 692    
Fair value at the ending 697 [4],[9]   692 [2],[11]
Investment, Identifier [Axis]: Fueled Digital Media, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 5,402    
Fair value at the ending 5,438 [4]   5,402 [2]
Investment, Identifier [Axis]: Fueled Digital Media, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 476    
Fair value at the ending 479 [4]   476 [2]
Investment, Identifier [Axis]: GC Champion Acquisition LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 7,270    
Fair value at the ending 7,279 [4],[9],[13]   7,270 [2],[11],[12]
Investment, Identifier [Axis]: GC Champion Acquisition LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 12,837    
Fair value at the ending 12,853 [4],[22]   12,837 [2],[20]
Investment, Identifier [Axis]: GC Champion Acquisition LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 3,566    
Fair value at the ending 3,570 [4],[7]   3,566 [2],[5]
Investment, Identifier [Axis]: GC Champion Acquisition LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 10,698    
Fair value at the ending 10,711 [4],[7]   10,698 [2],[5]
Investment, Identifier [Axis]: Gargoyle Enterprises, Inc., Unitranche Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[42] 997    
Fair value at the ending 997 [4],[43]   997 [2],[42]
Investment, Identifier [Axis]: Gibson Brands, Inc, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 3,037    
Fair value at the ending [2]     3,037
Investment, Identifier [Axis]: Gibson Brands, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[15] 14,267    
Investment, Identifier [Axis]: Golden State Buyer, Inc, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] 9,611    
Fair value at the ending [2],[18]     9,611
Investment, Identifier [Axis]: Golden State Buyer, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[21] 9,537    
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],[26] 11,850    
Fair value at the ending [2],[26]     11,850
Investment, Identifier [Axis]: Guardian Restoration Partners Buyer, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 6,713    
Fair value at the ending [2],[11],[12]     6,713
Investment, Identifier [Axis]: Guardian Restoration Partners Buyer, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: Guardian Restoration Partners Buyer, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[27] 12,076    
Investment, Identifier [Axis]: Guardian Restoration Partners Buyer, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] 8,351    
Investment, Identifier [Axis]: Guardian Restoration Partners Buyer, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 260    
Investment, Identifier [Axis]: HOSTAWAY MIDCO OY, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7],[8],[44] 24,625    
Investment, Identifier [Axis]: HOSTAWAY MIDCO OY, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8],[9],[13],[44] 0    
Investment, Identifier [Axis]: HOSTAWAY MIDCO OY, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8],[9],[44] 0    
Investment, Identifier [Axis]: HS4 Acquisitionco, Inc, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 220    
Fair value at the ending [2],[11]     220
Investment, Identifier [Axis]: HS4 Acquisitionco, Inc, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 3,860    
Fair value at the ending [2],[20]     3,860
Investment, Identifier [Axis]: HS4 Acquisitionco, Inc, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 4,194    
Fair value at the ending [2],[20]     4,194
Investment, Identifier [Axis]: Harlem Acquisition, LLC, Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,524    
Fair value at the ending $ 1,474 [4]   $ 1,524 [2]
Number of shares held 1,523,811   1,523,811
Investment, Identifier [Axis]: Harlem Acquisition, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] $ 31,440    
Fair value at the ending 32,515 [4],[24]   $ 31,440 [2],[23]
Investment, Identifier [Axis]: Harlem Acquisition, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: Harlem Acquisition, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 479    
Fair value at the ending 488 [4],[9]   479 [2],[11]
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] 11,356    
Fair value at the ending 11,500 [4]   11,356 [2]
Investment, Identifier [Axis]: Helping Hands Childrens Services Management, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: Helping Hands Childrens Services Management, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Huckabee Acquisition, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[18],[26] 29,775    
Fair value at the ending 29,700 [4],[7],[21],[27]   29,775 [2],[5],[18],[26]
Investment, Identifier [Axis]: Huckabee Acquisition, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: Huckabee Acquisition, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: IDIG Parent, LLC, Equity Securities, Shares of common stock      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16],[45] 188    
Fair value at the ending $ 174 [4],[17],[46]   $ 188 [2],[16],[45]
Number of shares held 192,908 [17],[46]   192,908 [16],[45]
Investment, Identifier [Axis]: IF & P Holdings Company, LLC, Equity Securities, Class A preferred units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 1,229    
Fair value at the ending $ 861 [4]   $ 1,229 [2]
Number of shares held 1,566   1,566
Investment, Identifier [Axis]: IF & P Holdings Company, LLC, Equity Securities, Class B common units      
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 1,566   1,566
Investment, Identifier [Axis]: IF & P Holdings Company, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] $ 0    
Fair value at the ending 0 [4],[9],[13]   $ 0 [2],[11],[12]
Investment, Identifier [Axis]: IF & P Holdings Company, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 2,825    
Fair value at the ending 3,619 [4],[9]   2,825 [2],[11]
Investment, Identifier [Axis]: IF & P Holdings Company, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[18] 23,389    
Fair value at the ending 23,330 [4],[7],[21]   23,389 [2],[5],[18]
Investment, Identifier [Axis]: IF & P Holdings Company, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 6,567    
Fair value at the ending 6,550 [4],[7]   6,567 [2],[5]
Investment, Identifier [Axis]: IF & P Holdings Company, LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,106    
Fair value at the ending 1,094 [4]   1,106 [2]
Investment, Identifier [Axis]: INH Buyer, Inc, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[32] 2,524    
Fair value at the ending [2],[32]     2,524
Investment, Identifier [Axis]: INH Buyer, Inc., Equity Securities, A-1 units      
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 2,713,147   2,713,147
Investment, Identifier [Axis]: INH Buyer, Inc., Equity Securities, Preferred stock      
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 3   3
Investment, Identifier [Axis]: INH Buyer, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[30] $ 1,510    
Investment, Identifier [Axis]: Incompass, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 2,159    
Fair value at the ending [2]     $ 2,159
Investment, Identifier [Axis]: Incompass, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 2,149    
Investment, Identifier [Axis]: Incompass, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[18],[26] 24,580    
Fair value at the ending 24,470 [4],[7],[21],[27]   24,580 [2],[5],[18],[26]
Investment, Identifier [Axis]: Independence Buyer, Inc, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[20] 10,773    
Fair value at the ending [2],[18],[20]     10,773
Investment, Identifier [Axis]: Independence Buyer, Inc, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 574    
Fair value at the ending [2],[11]     574
Investment, Identifier [Axis]: Independence Buyer, Inc., Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 52    
Fair value at the ending $ 0 [4]   $ 52 [2]
Number of shares held 169   169
Investment, Identifier [Axis]: Independence Buyer, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[21],[22] $ 10,481    
Investment, Identifier [Axis]: Independence Buyer, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 175    
Investment, Identifier [Axis]: Innovative Artists Entertainment, LLC, Equity Securities, Equity commitment      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[17],[47] 2,445    
Amount of total commitment [17],[47] 2,445    
Total equity investment [17],[47] 3,536    
Investment, Identifier [Axis]: Innovative Artists Entertainment, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 21,916    
Investment, Identifier [Axis]: Innovative Artists Entertainment, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: InsideRE, LLC, Equity Securities, Class A common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 412    
Fair value at the ending $ 300 [4],[17]   $ 412 [2],[16]
Number of shares held 284,853 [17]   284,853 [16]
Investment, Identifier [Axis]: InsideRE, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] $ 308    
Investment, Identifier [Axis]: InsideRE, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   $ 0 [2],[11]
Investment, Identifier [Axis]: InsideRE, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[20] 7,278    
Fair value at the ending 7,259 [4],[21],[22]   7,278 [2],[18],[20]
Investment, Identifier [Axis]: InsideRE, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19] 2,828    
Fair value at the ending 2,821 [4],[10]   2,828 [2],[19]
Investment, Identifier [Axis]: Interstate BidCo, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: Interstate BidCo, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Interstate BidCo, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[18],[26] 14,828    
Fair value at the ending 14,835 [4],[7],[21],[27]   14,828 [2],[5],[18],[26]
Investment, Identifier [Axis]: Interstate BidCo, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] 7,161    
Fair value at the ending 7,165 [4],[24]   7,161 [2],[23]
Investment, Identifier [Axis]: Interstate BidCo, LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 8,263    
Fair value at the ending 8,267 [4]   8,263 [2]
Investment, Identifier [Axis]: Inversiones DP6 (BVI) Numero Dos, Ltd., Unitranche Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[48] 27,468    
Fair value at the ending [2],[6],[48]     27,468
Investment, Identifier [Axis]: Ivanti Software, Inc., Inc, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[14] 15,365    
Fair value at the ending [2],[14]     15,365
Investment, Identifier [Axis]: Ivanti Software, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[15] 13,698    
Investment, Identifier [Axis]: Ivex Holdco Inc. and Induspac Holdco Inc. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[11],[35] 815    
Fair value at the ending [2],[6],[11],[35]     815
Investment, Identifier [Axis]: Ivex Holdco Inc. and Induspac Holdco Inc., Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[11],[12],[35] 0    
Fair value at the ending 0 [4],[8],[9],[13],[36]   0 [2],[6],[11],[12],[35]
Investment, Identifier [Axis]: Ivex Holdco Inc. and Induspac Holdco Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8],[9],[36] 1,250    
Investment, Identifier [Axis]: Ivex Holdco Inc. and Induspac Holdco Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[35] 14,120    
Fair value at the ending 14,084 [4],[8],[24],[36]   14,120 [2],[6],[35]
Investment, Identifier [Axis]: Ivex Holdco Inc. and Induspac Holdco Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[35] 6,767    
Fair value at the ending 6,692 [4],[8],[24],[36]   6,767 [2],[6],[35]
Investment, Identifier [Axis]: Ivex Holdco Inc. and Induspac Holdco Inc., Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[35] 3,645    
Fair value at the ending 3,604 [4],[8],[24],[36]   3,645 [2],[6],[35]
Investment, Identifier [Axis]: Ivex Holdco Inc. and Induspac Holdco Inc., Senior Secured Loans 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[35] 1,487    
Fair value at the ending 1,483 [4],[8],[24],[36]   1,487 [2],[6],[35]
Investment, Identifier [Axis]: Izzio Artisan Bakery, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19],[23] 14,464    
Fair value at the ending 14,471 [4],[10],[24]   14,464 [2],[19],[23]
Investment, Identifier [Axis]: Izzio Artisan Bakery, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 2,072 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: J2 BWA Funding III, LLC, Equity Securities, Commitment to purchase the equity      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[16],[49] 443    
Fair value at the ending 604 [4],[8],[17],[50]   443 [2],[6],[16],[49]
Investment, Identifier [Axis]: J2 BWA Funding III, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[11],[12] 2,572    
Fair value at the ending 2,892 [4],[8],[9],[13]   2,572 [2],[6],[11],[12]
Investment, Identifier [Axis]: J2 BWA Funding LLC, Equity Securities, Profit sharing      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[16] 52    
Fair value at the ending 53 [4],[8],[17]   52 [2],[6],[16]
Investment, Identifier [Axis]: J2 BWA Funding LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[11] 1,746    
Fair value at the ending 1,743 [4],[8]   1,746 [2],[6],[11]
Investment, Identifier [Axis]: JDX Studio, LLC, Equity Securities, Class A preferred units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 800    
Fair value at the ending $ 800 [4],[17]   $ 800 [2],[16]
Number of shares held 799,232 [17]   799,232 [16]
Investment, Identifier [Axis]: JDX Studio, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] $ 9,825    
Fair value at the ending 9,975 [4],[24]   $ 9,825 [2],[23]
Investment, Identifier [Axis]: JDX Studio, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: JDX Studio, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 314    
Fair value at the ending 0 [4],[9]   314 [2],[11]
Investment, Identifier [Axis]: Jesse Studio Mezz, LLC, Junior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[11],[12] 34,404    
Fair value at the ending 34,721 [4],[8],[9],[13]   34,404 [2],[6],[11],[12]
Investment, Identifier [Axis]: Jobnimbus Holdings, LLC, Equity Securities, Common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 790    
Fair value at the ending $ 807 [4]   $ 790 [2]
Number of shares held 214,092   214,092
Investment, Identifier [Axis]: Jobnimbus Holdings, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19],[23] $ 31,520    
Fair value at the ending 32,000 [4],[10],[24],[25]   $ 31,520 [2],[19],[23]
Investment, Identifier [Axis]: Jobnimbus Holdings, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: Jobnimbus Holdings, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Jumpstart Holdco, Inc., Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 754    
Fair value at the ending $ 449 [4]   $ 754 [2]
Number of shares held 1,566,667   1,566,667
Investment, Identifier [Axis]: Jumpstart Holdco, Inc., Unitranche Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] $ 21,467    
Fair value at the ending 20,555 [4],[7]   $ 21,467 [2],[5]
Investment, Identifier [Axis]: KL Moon Acquisition, LLC, Equity Securities, Equity      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 229    
Fair value at the ending 277 [4]   229 [2]
Investment, Identifier [Axis]: KL Moon Acquisition, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 964    
Investment, Identifier [Axis]: KL Moon Acquisition, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 4,074    
Fair value at the ending 4,136 [4]   4,074 [2]
Investment, Identifier [Axis]: KL Moon Acquisition, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 9,502    
Fair value at the ending 9,647 [4]   9,502 [2]
Investment, Identifier [Axis]: KL Moon Acquisition, LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 1,923    
Investment, Identifier [Axis]: KL Moon Acquisition, LLC., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 895    
Fair value at the ending [2],[11]     895
Investment, Identifier [Axis]: KL Moon Acquisition, LLC., Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,895    
Fair value at the ending [2]     1,895
Investment, Identifier [Axis]: KT Naples UB LLC, Junior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[11],[12] 9,629    
Fair value at the ending 10,592 [4],[8],[9],[13]   9,629 [2],[6],[11],[12]
Investment, Identifier [Axis]: Keel Platform, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] 7,856    
Fair value at the ending [2],[18]     7,856
Investment, Identifier [Axis]: Keel Platform, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending [2],[11],[12]     0
Investment, Identifier [Axis]: Kingsley Gate Partners, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 952    
Fair value at the ending 955 [4],[9]   952 [2],[11]
Investment, Identifier [Axis]: Kingsley Gate Partners, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 2,924    
Fair value at the ending 2,924 [4],[7]   2,924 [2],[5]
Investment, Identifier [Axis]: Kingsley Gate Partners, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] 938    
Fair value at the ending 938 [4],[21]   938 [2],[18]
Investment, Identifier [Axis]: Kingsley Gate Partners, LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,357    
Fair value at the ending 1,357 [4]   1,357 [2]
Investment, Identifier [Axis]: LVF Holdings, Inc, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 225    
Fair value at the ending [2],[11]     225
Investment, Identifier [Axis]: LVF Holdings, Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 3,403    
Fair value at the ending [2],[5]     3,403
Investment, Identifier [Axis]: LVF Holdings, Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 3,257    
Fair value at the ending [2],[5]     3,257
Investment, Identifier [Axis]: Lessen LLC, Equity Securities, Preferred units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,407    
Fair value at the ending $ 1,397 [4]   $ 1,407 [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] $ 8,487    
Fair value at the ending 8,659 [4]   $ 8,487 [2]
Investment, Identifier [Axis]: Lifted Trucks Holdings, LLC, Equity Securities, Class A shares      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 174    
Fair value at the ending $ 219 [4],[17]   $ 174 [2],[16]
Number of shares held 158,730 [17]   158,730 [16]
Investment, Identifier [Axis]: Lifted Trucks Holdings, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[20] $ 9,642    
Fair value at the ending 9,670 [4],[21],[22]   $ 9,642 [2],[18],[20]
Investment, Identifier [Axis]: Lifted Trucks Holdings, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 952    
Investment, Identifier [Axis]: Lifted Trucks Holdings, LLC, Senior Secured Loans, (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 316    
Fair value at the ending [2],[11]     316
Investment, Identifier [Axis]: Light Wave Dental Management, LLC, Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 2,829    
Fair value at the ending $ 3,184 [4],[17]   $ 2,829 [2],[16]
Number of shares held 314,621 [17]   314,621 [16]
Investment, Identifier [Axis]: Light Wave Dental Management, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] $ 0    
Fair value at the ending 1,229 [4],[9]   $ 0 [2],[11]
Investment, Identifier [Axis]: Light Wave Dental Management, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 4,946    
Fair value at the ending 4,946 [4]   4,946 [2]
Investment, Identifier [Axis]: Light Wave Dental Management, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 528    
Fair value at the ending 528 [4]   528 [2]
Investment, Identifier [Axis]: Light Wave Dental Management, LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[19],[23],[26] 26,871    
Fair value at the ending 26,870 [4],[10],[21],[24],[27]   26,871 [2],[18],[19],[23],[26]
Investment, Identifier [Axis]: Long Grove Pharmaceuticals, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 13,790    
Investment, Identifier [Axis]: Long Grove Pharmaceuticals, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] 0    
Investment, Identifier [Axis]: MB Purchaser, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[26] 14,887    
Fair value at the ending 14,850 [4],[21],[27]   14,887 [2],[18],[26]
Investment, Identifier [Axis]: MB Purchaser, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 6,211    
Fair value at the ending 6,195 [4],[9],[13]   6,211 [2],[11],[12]
Investment, Identifier [Axis]: MB Purchaser, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: MC Voyager SPV II LLC (Equity Commitment)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 0    
Transfers in (out) 0    
Purchases (cost) 7,490    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) (150)    
Fair value at the ending 7,340   0
Investment, Identifier [Axis]: MC Voyager SPV II LLC (Equity commitment)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Amount of total commitment 7,490    
Total equity investment 45,000    
Investment, Identifier [Axis]: MC Voyager SPV II LLC, Equity Securities, Equity commitment      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8],[51] 7,340    
Amount of total commitment [8],[51] 7,490    
Total equity investment [8],[51] 45,000    
Investment, Identifier [Axis]: MEI Buyer LLC, Equity Securities, Units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 3,413    
Fair value at the ending $ 3,353 [4]   $ 3,413 [2]
Number of shares held 2,275   2,275
Investment, Identifier [Axis]: MEI Buyer LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 4,135    
Fair value at the ending 0 [4],[9],[13]   $ 4,135 [2]
Investment, Identifier [Axis]: MEI Buyer LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 478    
Fair value at the ending 0 [4],[9]   478 [2],[11]
Investment, Identifier [Axis]: MEI Buyer LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[23] 25,794    
Fair value at the ending 25,477 [4],[21],[24]   25,794 [2],[18],[23]
Investment, Identifier [Axis]: MEI Buyer LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23],[26] 14,482    
Fair value at the ending 14,304 [4],[24],[27]   14,482 [2],[23],[26]
Investment, Identifier [Axis]: MEI Buyer LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 4,084    
Investment, Identifier [Axis]: MV Receivables II, LLC, Equity Securities, Shares of common stock      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[16] 0    
Fair value at the ending $ 0 [4],[8],[17]   $ 0 [2],[6],[16]
Number of shares held 1,822 [8],[17]   1,822 [6],[16]
Investment, Identifier [Axis]: MV Receivables II, LLC, Equity Securities, Warrant to purchase the equity      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[16] $ 0    
Fair value at the ending 0 [4],[8],[17]   $ 0 [2],[6],[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],[6],[32] 6,042    
Fair value at the ending 5,194 [4],[8],[30]   6,042 [2],[6],[32]
Investment, Identifier [Axis]: Madison Logic Holdings, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 13,425    
Fair value at the ending 13,429 [4],[7]   13,425 [2],[5]
Investment, Identifier [Axis]: Madison Logic Holdings, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Maltese Diplomat Owner 100 LLC, Junior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8],[9],[13] 44,088    
Investment, Identifier [Axis]: Mammoth Holdings, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Mammoth Holdings, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23],[26] 21,773    
Fair value at the ending 21,599 [4],[24],[27]   21,773 [2],[23],[26]
Investment, Identifier [Axis]: Mammoth Holdings, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 5,472    
Fair value at the ending 5,429 [4]   5,472 [2]
Investment, Identifier [Axis]: Medallia, Inc, Senior Secured Loans.      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 12,117    
Fair value at the ending [2],[20]     12,117
Investment, Identifier [Axis]: Medallia, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[22] 12,189    
Investment, Identifier [Axis]: Milrose Consultants, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 462    
Fair value at the ending 462 [4],[9]   462 [2],[11]
Investment, Identifier [Axis]: Milrose Consultants, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[18],[26] 44,660    
Fair value at the ending 44,391 [4],[7],[21],[27]   44,660 [2],[5],[18],[26]
Investment, Identifier [Axis]: Milrose Consultants, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,611    
Fair value at the ending 1,602 [4],[25]   1,611 [2]
Investment, Identifier [Axis]: Milrose Consultants, LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 3,585    
Fair value at the ending 3,563 [4],[25]   3,585 [2]
Investment, Identifier [Axis]: Mindbody, Inc, Senior Secured Loans. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: Mindbody, Inc, Senior Secured Loans. 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 1,867    
Fair value at the ending [2],[20]     1,867
Investment, Identifier [Axis]: Mindbody, Inc, Senior Secured Loans. 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 2,270    
Fair value at the ending [2],[20]     2,270
Investment, Identifier [Axis]: Mindbody, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: Mindbody, Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[22] 1,867    
Investment, Identifier [Axis]: Mindbody, Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[22] 2,270    
Investment, Identifier [Axis]: Moonraker Acquisitionco LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 6,860    
Fair value at the ending 6,842 [4],[7]   6,860 [2],[5]
Investment, Identifier [Axis]: Moonraker Acquisitionco LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 280    
Fair value at the ending 280 [4],[9]   280 [2],[11]
Investment, Identifier [Axis]: NBPT Acquisition LLC , Equity Securities, Preferred units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[52] $ 4,421    
Number of shares held [52] 4,421    
Investment, Identifier [Axis]: NBPT Acquisition LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[25] $ 20,991    
Investment, Identifier [Axis]: NBPT Acquisition LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] 0    
Investment, Identifier [Axis]: NBPT Acquisition LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: NFM & J, L.P, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[19],[20] 13,245    
Fair value at the ending [2],[5],[19],[20]     13,245
Investment, Identifier [Axis]: NFM & J, L.P, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 830    
Fair value at the ending [2],[11],[12]     830
Investment, Identifier [Axis]: NFM & J, L.P, Senior Secured Loans. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: NFM & J, L.P., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7],[10],[22] 13,221    
Investment, Identifier [Axis]: NFM & J, L.P., Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] 828    
Investment, Identifier [Axis]: NFM & J, L.P., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 1,187    
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],[5],[18] 12,832    
Fair value at the ending [2],[5],[18]     12,832
Investment, Identifier [Axis]: NQ PE Project Colosseum Midco Inc, Senior Secured Loans. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: NQ PE Project Colosseum Midco Inc., Equity Securities, Common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 278    
Fair value at the ending $ 145 [4]   $ 278 [2]
Number of shares held 1,364,614   1,364,614
Investment, Identifier [Axis]: NQ PE Project Colosseum Midco Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7],[21] $ 12,718    
Investment, Identifier [Axis]: NQ PE Project Colosseum Midco Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: Nastel Technologies, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 3,478 $ 3,500 $ 3,500
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 0 0  
Discount accretion 4 3  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 0 (16)  
Fair value at the ending 3,482 3,487 3,478
Investment, Identifier [Axis]: Nastel Technologies, LLC (Class A units)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 4,611 4,226 4,226
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) 34 170  
Fair value at the ending $ 4,645 $ 4,396 4,611
Number of units held 3,408 3,408  
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, Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 4,611    
Fair value at the ending $ 4,645 [4],[17]   $ 4,611 [2],[16]
Number of shares held 3,408 [17]   3,408 [16]
Investment, Identifier [Axis]: Nastel Technologies, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] $ 3,478    
Fair value at the ending 3,482 [4],[22]   $ 3,478 [2],[20]
Investment, Identifier [Axis]: Nastel Technologies, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Nasuni Corporation, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19],[23] 15,062    
Fair value at the ending 15,076 [4],[10],[24]   15,062 [2],[19],[23]
Investment, Identifier [Axis]: Nasuni Corporation, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: Nasuni Corporation, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: NationsBenefits, LLC, Equity Securities, Common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 2,805    
Fair value at the ending $ 2,585 [4],[17]   $ 2,805 [2],[16]
Number of shares held 326,667 [17]   326,667 [16]
Investment, Identifier [Axis]: NationsBenefits, LLC, Equity Securities, Series B units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] $ 5,523    
Fair value at the ending $ 5,463 [4],[17]   $ 5,523 [2],[16]
Number of shares held 369,827 [17]   369,827 [16]
Investment, Identifier [Axis]: NationsBenefits, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] $ 0    
Fair value at the ending 0 [4],[9],[13]   $ 0 [2],[11],[12]
Investment, Identifier [Axis]: NationsBenefits, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 2,722 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: NationsBenefits, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 11,883    
Fair value at the ending 11,852 [4],[7]   11,883 [2],[5]
Investment, Identifier [Axis]: NationsBenefits, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 14,163    
Fair value at the ending 14,126 [4],[7]   14,163 [2],[5]
Investment, Identifier [Axis]: NationsBenefits, LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] 15,355    
Fair value at the ending 15,316 [4],[24]   15,355 [2],[23]
Investment, Identifier [Axis]: NationsBenefits, LLC, Senior Secured Loans 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 6,179    
Fair value at the ending 6,164 [4]   6,179 [2]
Investment, Identifier [Axis]: New Engen, Inc., Equity Securities, Class B common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1    
Fair value at the ending $ 97 [4]   $ 1 [2]
Number of shares held 5,067   5,067
Investment, Identifier [Axis]: New Engen, Inc., Equity Securities, Preferred units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 532    
Fair value at the ending $ 444 [4]   $ 532 [2]
Number of shares held 417   417
Investment, Identifier [Axis]: New Engen, Inc., Unitranche Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[20] $ 9,203    
Fair value at the ending 9,203 [4],[21],[22]   $ 9,203 [2],[18],[20]
Investment, Identifier [Axis]: New Engen, Inc., Unitranche Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[20] 7,772    
Fair value at the ending 7,772 [4],[21],[22]   7,772 [2],[18],[20]
Investment, Identifier [Axis]: New Engen, Inc., Unitranche Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19] 2,393    
Fair value at the ending 2,393 [4],[10]   2,393 [2],[19]
Investment, Identifier [Axis]: Northeast Contracting Company, LLC, Equity Securities, Class A-2 units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 5,447    
Fair value at the ending $ 5,059 [4],[17]   $ 5,447 [2],[16]
Number of shares held 5,364,700 [17]   5,364,700 [16]
Investment, Identifier [Axis]: Northeast Contracting Company, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 7,489    
Fair value at the ending 7,489 [4]   $ 7,489 [2]
Investment, Identifier [Axis]: Northeast Contracting Company, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: OPOC Acquisition, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] 12,805    
Fair value at the ending 12,992 [4],[24]   12,805 [2],[23]
Investment, Identifier [Axis]: OPOC Acquisition, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: OPOC Acquisition, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 119    
Fair value at the ending 0 [4],[9]   119 [2],[11]
Investment, Identifier [Axis]: Oceana Australian Fixed Income Trust, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[6],[53],[54] 29,528    
Fair value at the ending 29,773 [4],[7],[8],[41],[55]   29,528 [2],[5],[6],[53],[54]
Investment, Identifier [Axis]: Oceana Australian Fixed Income Trust, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[53],[54] 13,719    
Fair value at the ending 13,833 [4],[8],[41],[55]   13,719 [2],[6],[53],[54]
Investment, Identifier [Axis]: Off Hours Spirits, Inc. / Hour Barrel, LLC, Unitranche Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[56] 203    
Fair value at the ending 203 [4],[9],[57]   203 [2],[11],[56]
Investment, Identifier [Axis]: Onit, Inc., Unitranche Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 16,800    
Fair value at the ending [2],[5]     16,800
Investment, Identifier [Axis]: Onix Networking Corp., Equity Securities, Shares of common stock      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,802    
Fair value at the ending $ 1,811 [4]   $ 1,802 [2]
Number of shares held 2,000,000   2,000,000
Investment, Identifier [Axis]: Onix Networking Corp., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[18] $ 14,850    
Fair value at the ending 14,812 [4],[7],[21]   $ 14,850 [2],[5],[18]
Investment, Identifier [Axis]: Onix Networking Corp., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Optomi, LLC, Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 529    
Fair value at the ending $ 552 [4],[17]   $ 529 [2],[16]
Number of shares held 278 [17]   278 [16]
Investment, Identifier [Axis]: Optomi, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] $ 850    
Fair value at the ending 957 [4],[9]   $ 850 [2],[11]
Investment, Identifier [Axis]: Optomi, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[19] 5,590    
Fair value at the ending 5,576 [4],[7],[10]   5,590 [2],[5],[19]
Investment, Identifier [Axis]: Optomi, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19],[20] 13,178    
Fair value at the ending 13,144 [4],[10],[22]   13,178 [2],[19],[20]
Investment, Identifier [Axis]: Oranje Holdco, Inc, Senior Secured Loans. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: Oranje Holdco, Inc, Senior Secured Loans. 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 29,053    
Fair value at the ending [2],[5]     29,053
Investment, Identifier [Axis]: Oranje Holdco, Inc, Senior Secured Loans. 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[19] 14,140    
Fair value at the ending [2],[5],[19]     14,140
Investment, Identifier [Axis]: Oranje Holdco, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: Oranje Holdco, Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7] 29,199    
Investment, Identifier [Axis]: Oranje Holdco, Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7],[10] 14,140    
Investment, Identifier [Axis]: PAI Middle Tier, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[25] 17,484    
Investment, Identifier [Axis]: PAI Middle Tier, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: PC Pest Buyer, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[18] 13,958    
Fair value at the ending 13,965 [4],[7],[21]   13,958 [2],[5],[18]
Investment, Identifier [Axis]: PC Pest Buyer, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 13,107    
Fair value at the ending 15,595 [4],[9],[13]   13,107 [2],[11],[12]
Investment, Identifier [Axis]: PC Pest Buyer, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: PNE Interco LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[18],[20],[23] 13,916    
Fair value at the ending 13,923 [4],[7],[21],[22],[24]   13,916 [2],[5],[18],[20],[23]
Investment, Identifier [Axis]: PNE Interco LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 4,415    
Fair value at the ending 4,428 [4],[9],[13]   4,415 [2],[11],[12]
Investment, Identifier [Axis]: PNE Interco LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 786    
Fair value at the ending 0 [4],[9]   786 [2],[11]
Investment, Identifier [Axis]: PRGX Global, Inc, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] 49,799    
Fair value at the ending [2],[23]     49,799
Investment, Identifier [Axis]: PRGX Global, Inc, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: PRGX Global, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[24] 36,520    
Investment, Identifier [Axis]: PRGX Global, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: Panda Acquisition, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 8,402    
Fair value at the ending 8,526 [4],[7]   8,402 [2],[5]
Investment, Identifier [Axis]: Park County Holdings, LLC, Unitranche Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 45,000    
Fair value at the ending 44,722 [4]   45,000 [2]
Investment, Identifier [Axis]: Parkhub, Inc., Equity Securities, Series A preferred units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,502    
Fair value at the ending $ 1,502 [4]   $ 1,502 [2]
Number of shares held 1,049,936   1,049,936
Investment, Identifier [Axis]: Parkhub, Inc., Senior Secured Loans (Delayed Draw) 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] $ 2,910    
Fair value at the ending 2,910 [4],[9],[13]   $ 2,910 [2],[11],[12]
Investment, Identifier [Axis]: Parkhub, Inc., Senior Secured Loans (Delayed Draw) 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: Parkhub, Inc., Senior Secured Loans (Delayed Draw) 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[11],[12],[58] 0    
Fair value at the ending 0 [4],[8],[9],[13],[59]   0 [2],[6],[11],[12],[58]
Investment, Identifier [Axis]: Parkhub, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 2,020 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Parkhub, Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 16,451    
Fair value at the ending 16,451 [4],[7]   16,451 [2],[5]
Investment, Identifier [Axis]: Parkhub, Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[58] 33,962    
Fair value at the ending 35,053 [4],[8],[59]   33,962 [2],[6],[58]
Investment, Identifier [Axis]: Patagonia Holdco LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[6] 13,130    
Fair value at the ending 12,995 [4],[7],[8]   13,130 [2],[5],[6]
Investment, Identifier [Axis]: Polychem Acquisition, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 1,642    
Fair value at the ending 1,659 [4],[7]   1,642 [2],[5]
Investment, Identifier [Axis]: Power Stop, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] 5,244    
Fair value at the ending 5,090 [4],[24]   5,244 [2],[23]
Investment, Identifier [Axis]: PrecisionX Group, LLC , Senior Secured Loans (fka Specialty Manufacturing Buyer, LLC) 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 2,532    
Fair value at the ending [2]     2,532
Investment, Identifier [Axis]: PrecisionX Group, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] 3,132    
Investment, Identifier [Axis]: PrecisionX Group, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 597    
Investment, Identifier [Axis]: PrecisionX Group, LLC, Senior Secured Loans (fka Specialty Manufacturing Buyer, LLC) (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 3,128    
Fair value at the ending [2],[11],[12]     3,128
Investment, Identifier [Axis]: PrecisionX Group, LLC, Senior Secured Loans (fka Specialty Manufacturing Buyer, LLC) (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 596    
Fair value at the ending [2],[11]     596
Investment, Identifier [Axis]: PrecisionX Group, LLC, Senior Secured Loans (fka Specialty Manufacturing Buyer, LLC) 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[23],[26] 15,682    
Fair value at the ending [2],[18],[23],[26]     15,682
Investment, Identifier [Axis]: PrecisionX Group, LLC, Senior Secured Loans (fka Specialty Manufacturing Buyer, LLC) 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 8,044    
Fair value at the ending [2]     8,044
Investment, Identifier [Axis]: PrecisionX Group, LLC, Senior Secured Loans (fka Specialty Manufacturing Buyer, LLC) 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 5,959    
Fair value at the ending [2]     5,959
Investment, Identifier [Axis]: PrecisionX Group, LLC, Senior Secured Loans (fka Specialty Manufacturing Buyer, LLC) 5      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 5,959    
Fair value at the ending [2]     5,959
Investment, Identifier [Axis]: PrecisionX Group, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 2,529    
Investment, Identifier [Axis]: PrecisionX Group, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[21],[24],[27] 15,662    
Investment, Identifier [Axis]: PrecisionX Group, LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 8,034    
Investment, Identifier [Axis]: PrecisionX Group, LLC, Senior Secured Loans 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 5,951    
Investment, Identifier [Axis]: PrecisionX Group, LLC, Senior Secured Loans 5      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 5,966    
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],[18] 3,034    
Fair value at the ending [2],[18]     3,034
Investment, Identifier [Axis]: Premier Roofing L.L.C, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 1,069    
Fair value at the ending [2],[11]     1,069
Investment, Identifier [Axis]: Premier Roofing L.L.C., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[21] 2,975    
Investment, Identifier [Axis]: Premier Roofing L.L.C., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 1,052    
Investment, Identifier [Axis]: Project Accelerate Parent, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 11,816    
Fair value at the ending 11,786 [4]   11,816 [2]
Investment, Identifier [Axis]: Project Accelerate Parent, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Prototek LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[32] 6,372    
Fair value at the ending 6,432 [4],[30]   6,372 [2],[32]
Investment, Identifier [Axis]: Prototek LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[32] 0    
Fair value at the ending 0 [4],[9],[30]   0 [2],[11],[32]
Investment, Identifier [Axis]: QF Holdings, Inc, Senior Secured Loans. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 472    
Fair value at the ending [2],[11]     472
Investment, Identifier [Axis]: QF Holdings, Inc, Senior Secured Loans. 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 909    
Fair value at the ending [2],[26]     909
Investment, Identifier [Axis]: QF Holdings, Inc, Senior Secured Loans. 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 4,543    
Fair value at the ending [2],[20]     4,543
Investment, Identifier [Axis]: QF Holdings, Inc, Senior Secured Loans. 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 4,361    
Fair value at the ending [2],[20]     4,361
Investment, Identifier [Axis]: QF Holdings, Inc, Senior Secured Loans. 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 909    
Fair value at the ending [2],[20]     909
Investment, Identifier [Axis]: QF Holdings, Inc, Senior Secured Loans. 5      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 909    
Fair value at the ending [2],[20]     909
Investment, Identifier [Axis]: QF Holdings, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 328    
Investment, Identifier [Axis]: QF Holdings, Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[27] 910    
Investment, Identifier [Axis]: QF Holdings, Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[27] 908    
Investment, Identifier [Axis]: QF Holdings, Inc., Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[22] 4,539    
Investment, Identifier [Axis]: QF Holdings, Inc., Senior Secured Loans 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[22] 4,357    
Investment, Identifier [Axis]: QF Holdings, Inc., Senior Secured Loans 5      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[22] 908    
Investment, Identifier [Axis]: QF Holdings, Inc., Senior Secured Loans 6      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[22] 908    
Investment, Identifier [Axis]: Quest Resource Management Group, LLC, Equity Securities, Warrant to purchase the equity 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 306    
Fair value at the ending 55 [4]   306 [2]
Investment, Identifier [Axis]: Quest Resource Management Group, LLC, Equity Securities, Warrant to purchase the equity 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 214    
Fair value at the ending 39 [4]   214 [2]
Investment, Identifier [Axis]: Quest Resource Management Group, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 13,698    
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] 15,000    
Fair value at the ending [2]     15,000
Investment, Identifier [Axis]: Quest Resource Management Group, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending [2],[11],[12]     0
Investment, Identifier [Axis]: Quest Resource Management Group, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] 0    
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 ending [4],[8] 29,700    
Investment, Identifier [Axis]: RS Acquisition, LLC, Equity Securities, Common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 288    
Fair value at the ending $ 64 [4],[17]   $ 288 [2],[16]
Number of shares held 838,077 [17]   838,077 [16]
Investment, Identifier [Axis]: RS Acquisition, LLC, Equity Securities, Series A preferred units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] $ 47    
Fair value at the ending $ 47 [4],[17]   $ 47 [2],[16]
Number of shares held 46,462 [17]   46,462 [16]
Investment, Identifier [Axis]: RS Acquisition, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] $ 838    
Fair value at the ending 832 [4],[9]   $ 838 [2],[11]
Investment, Identifier [Axis]: RS Acquisition, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 10,125    
Fair value at the ending 10,021 [4],[22]   10,125 [2],[20]
Investment, Identifier [Axis]: RS Acquisition, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 9,356    
Fair value at the ending 9,261 [4]   9,356 [2]
Investment, Identifier [Axis]: Radiate Holdco, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[14] 10,965    
Fair value at the ending 9,342 [4],[15]   10,965 [2],[14]
Investment, Identifier [Axis]: Radiology Partners, Inc, Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 17,166    
Fair value at the ending [2]     17,166
Investment, Identifier [Axis]: Radiology Partners, Inc., Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 16,768    
Investment, Identifier [Axis]: Rampart Exterior Services Buyer, Inc, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 7,481    
Fair value at the ending [2]     7,481
Investment, Identifier [Axis]: Rampart Exterior Services Buyer, Inc, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending [2],[11],[12]     0
Investment, Identifier [Axis]: Rampart Exterior Services Buyer, Inc, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: Rampart Exterior Services Buyer, Inc., Equity Securities, Series A-2 preferred units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 2,176    
Fair value at the ending $ 3,493 [4]   $ 2,176 [2]
Number of shares held 3,295   2,206
Investment, Identifier [Axis]: Rampart Exterior Services Buyer, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] $ 0    
Investment, Identifier [Axis]: Rampart Exterior Services Buyer, Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 7,498    
Investment, Identifier [Axis]: Rampart Exterior Services Buyer, Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 7,159    
Investment, Identifier [Axis]: Rampart Exterior Services Buyer, Inc., Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 5,190    
Investment, Identifier [Axis]: Randys Holdings, Inc, Senior Secured Loans.      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[19],[20] 16,705    
Fair value at the ending [2],[5],[19],[20]     $ 16,705
Investment, Identifier [Axis]: Randys Holdings, Inc, Senior Secured Loans. (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 1,679    
Fair value at the ending [2],[11],[12]     1,679
Investment, Identifier [Axis]: Randys Holdings, Inc, Senior Secured Loans. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 772    
Fair value at the ending [2],[11]     772
Investment, Identifier [Axis]: Randys Holdings, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7],[10],[22] 16,649    
Investment, Identifier [Axis]: Randys Holdings, Inc., Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] 3,239    
Investment, Identifier [Axis]: Randys Holdings, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 999    
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],[18],[19] 11,790    
Fair value at the ending [2],[18],[19]     11,790
Investment, Identifier [Axis]: Really Great Reading Company, Inc, Senior Secured Loans. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: Really Great Reading Company, Inc., Equity Securities, Series A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 329    
Fair value at the ending $ 238 [4]   $ 329 [2]
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 ending [4],[10],[21] $ 11,760    
Investment, Identifier [Axis]: Really Great Reading Company, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: Recorded Future, Inc., Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[60] 93    
Fair value at the ending $ 7 [4]   $ 93 [2],[60]
Number of shares held 40,243 [61]   40,243 [60]
Investment, Identifier [Axis]: Recycled Plastics Industries, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] $ 4,387    
Fair value at the ending 4,379 [4],[22]   $ 4,387 [2],[20]
Investment, Identifier [Axis]: Recycled Plastics Industries, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 148 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Relevate Health Group, LLC, Equity Securities, Class B common units      
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 96   96
Investment, Identifier [Axis]: Relevate Health Group, LLC, Equity Securities, Class X common units      
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 14   14
Investment, Identifier [Axis]: Relevate Health Group, LLC, Equity Securities, Class X preferred units      
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, Equity Securities, Preferred units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 63    
Fair value at the ending $ 54 [4]   $ 63 [2]
Number of shares held 96   96
Investment, Identifier [Axis]: Relevate Health Group, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] $ 421    
Fair value at the ending 526 [4],[9]   $ 421 [2],[11]
Investment, Identifier [Axis]: Relevate Health Group, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,102    
Fair value at the ending 1,117 [4]   1,102 [2]
Investment, Identifier [Axis]: Relevate Health Group, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19],[20] 1,904    
Fair value at the ending 1,920 [4],[10],[22]   1,904 [2],[19],[20]
Investment, Identifier [Axis]: Relevate Health Group, LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[19] 5,075    
Fair value at the ending 5,118 [4],[10],[21]   5,075 [2],[18],[19]
Investment, Identifier [Axis]: Relevate Health Group, LLC, Senior Secured Loans 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] 852    
Fair value at the ending 859 [4],[21]   852 [2],[18]
Investment, Identifier [Axis]: Reorganized Mobileum AcquisitionCo, LLC (fka Matrix Parent, Inc.), Equity Securities, Shares of common stock      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 735    
Fair value at the ending [2],[5]     $ 735
Number of shares held [5]     37,185
Investment, Identifier [Axis]: Reorganized Mobileum AcquisitionCo, LLC, Equity Securities, Shares of common stock)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7] $ 594    
Number of shares held [7] 37,185    
Investment, Identifier [Axis]: Reorganized Mobileum AcquisitionCo, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7],[30] $ 846    
Investment, Identifier [Axis]: Reorganized Mobileum AcquisitionCo, LLC, Senior Secured Loans (fka Matrix Parent, Inc.)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[32] 888    
Fair value at the ending [2],[5],[32]     $ 888
Investment, Identifier [Axis]: Research Now Group, Inc. and Survey Sampling International, LLC, Equity Securities, Shares of common stock      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 888    
Fair value at the ending [2],[5]     $ 888
Number of shares held [5]     50,029
Investment, Identifier [Axis]: Research Now Group, Inc. and Survey Sampling International, LLC, Equity Securities, Shares of common stock)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7] $ 1,176    
Number of shares held [7] 50,029    
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],[5] $ 3,396    
Fair value at the ending 3,374 [4],[7]   $ 3,396 [2],[5]
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] 559    
Fair value at the ending 556 [4]   559 [2]
Investment, Identifier [Axis]: Residential Homes for Rent LLC, Equity Securities, Series A preferred units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[16] 1,663    
Fair value at the ending $ 2,778 [4],[8],[17]   $ 1,663 [2],[6],[16]
Number of shares held 736,539 [8],[17]   446,794 [6],[16]
Investment, Identifier [Axis]: Residential Homes for Rent LLC, Equity Securities, Warrant to purchase the equity      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[16] $ 777    
Fair value at the ending 929 [4],[8],[17]   $ 777 [2],[6],[16]
Investment, Identifier [Axis]: Resolute Investment Managers, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[15] 18,013    
Investment, Identifier [Axis]: Respida Software Equity CI LP, Equity Securities, Series B Preferred Units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 5,039    
Fair value at the ending $ 5,058 [4],[17]   $ 5,039 [2],[16]
Number of shares held 5,000,000 [17]   5,000,000 [16]
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],[23] $ 14,566    
Fair value at the ending 14,743 [4],[24]   $ 14,566 [2],[23]
Investment, Identifier [Axis]: Rita's Franchise Company, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Ro Health, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[25] 3,940    
Investment, Identifier [Axis]: Ro Health, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 263    
Investment, Identifier [Axis]: Russell Investments US Institutional Holdco, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[14] 8,121    
Fair value at the ending 17,897 [4],[8],[15]   8,121 [2],[6],[14]
Investment, Identifier [Axis]: Russell Investments US Institutional Holdco, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[11],[14] 0    
Fair value at the ending 0 [4],[8],[9]   0 [2],[6],[11],[14]
Investment, Identifier [Axis]: S&S Holdings LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] 9,972    
Fair value at the ending 9,754 [4],[21]   9,972 [2],[18]
Investment, Identifier [Axis]: S&S Holdings LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 2,885    
Fair value at the ending 2,863 [4],[7]   2,885 [2],[5]
Investment, Identifier [Axis]: SCP Eye Care Holdco, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 209    
Fair value at the ending 207 [4],[9],[13]   209 [2],[11],[12]
Investment, Identifier [Axis]: SCP Eye Care Holdco, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 359 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: SCP Eye Care Holdco, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[19] 9,083    
Fair value at the ending 9,019 [4],[7],[10]   9,083 [2],[5],[19]
Investment, Identifier [Axis]: SCP Eye Care Holdco, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 10,201    
Fair value at the ending 10,130 [4]   10,201 [2]
Investment, Identifier [Axis]: SCP Eye Care Holdco, LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 7,980    
Fair value at the ending 7,924 [4]   7,980 [2]
Investment, Identifier [Axis]: SCP Intermediate Holdings, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[18] 2,940    
Fair value at the ending 2,933 [4],[8],[21]   2,940 [2],[6],[18]
Investment, Identifier [Axis]: SCP Intermediate Holdings, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[11],[12] 0    
Fair value at the ending [2],[6],[11],[12]     0
Investment, Identifier [Axis]: SCP Intermediate Holdings, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8],[9],[13] 0    
Investment, Identifier [Axis]: SDG Mgmt Company, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[18],[23],[26] 21,236    
Fair value at the ending [2],[5],[18],[23],[26]     21,236
Investment, Identifier [Axis]: SDG Mgmt Company, LLC, Senior Secured Loans (Delayed Draw) 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 2,821    
Fair value at the ending 255 [4],[9],[13]   2,821 [2],[11],[12]
Investment, Identifier [Axis]: SDG Mgmt Company, LLC, Senior Secured Loans (Delayed Draw) 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: SDG Mgmt Company, LLC, Senior Secured Loans (Delayed Draw) 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending [2],[11],[12]     0
Investment, Identifier [Axis]: SDG Mgmt Company, LLC, Senior Secured Loans (Delayed Draw) 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending [2],[11],[12]     0
Investment, Identifier [Axis]: SDG Mgmt Company, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: SDG Mgmt Company, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7],[21],[24],[27] 21,182    
Investment, Identifier [Axis]: SDG Mgmt Company, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 8,555    
Investment, Identifier [Axis]: SDG Mgmt Company, LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 11,786    
Investment, Identifier [Axis]: SFR Holdco 2, LLC (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 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   2,267
Investment, Identifier [Axis]: SFR Holdco 2, LLC (Equity commitments)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6] 1,510    
Transfers in (out) 0    
Purchases (cost) 950    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 32    
Fair value at the ending $ 2,492   $ 1,510 [2],[6]
Percentage of equity commitments 24.40%   24.40% [6]
Investment, Identifier [Axis]: SFR Holdco 2, LLC, Equity Securities, Equity commitments      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8] $ 2,492    
Percentage of equity commitments [8] 24.40%    
Investment, Identifier [Axis]: SFR Holdco 2, LLC, Junior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[11],[12] $ 2,267    
Fair value at the ending 3,740 [4],[8],[9],[13]   $ 2,267 [2],[6],[11],[12]
Investment, Identifier [Axis]: SFR Holdco, LLC (Equity commitments) 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 4,797 4,371 4,371
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) 122 75  
Fair value at the ending $ 4,919 $ 4,446 4,797
Percentage of equity commitments 13.90% 13.90%  
Investment, Identifier [Axis]: SFR Holdco, LLC (Equity commitments) 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 3,597 $ 3,278 3,278
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) 92 56  
Fair value at the ending $ 3,689 $ 3,334 3,597
Percentage of equity commitments 10.50% 10.50%  
Investment, Identifier [Axis]: SFR Holdco, LLC 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 5,593 $ 6,557 6,557
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) 125 (1,024)  
Fair value at the ending 5,718 5,533 5,593
Investment, Identifier [Axis]: SFR Holdco, LLC 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 4,631 4,917 4,917
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) 110 (405)  
Fair value at the ending 4,741 4,512 4,631
Investment, Identifier [Axis]: SFR Holdco, LLC, Equity Securities, Equity commitments 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6] 4,797    
Fair value at the ending $ 4,919 [4],[8]   $ 4,797 [2],[6]
Percentage of equity commitments 13.90% [8]   13.90% [6]
Investment, Identifier [Axis]: SFR Holdco, LLC, Equity Securities, Equity commitments 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6] $ 3,597    
Fair value at the ending $ 3,689 [4],[8]   $ 3,597 [2],[6]
Percentage of equity commitments 10.50% [8]   10.50% [6]
Investment, Identifier [Axis]: SFR Holdco, LLC, Junior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6] $ 5,593    
Fair value at the ending 5,718 [4],[8]   $ 5,593 [2],[6]
Investment, Identifier [Axis]: SFR Holdco, LLC, Junior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6] 4,631    
Fair value at the ending 4,741 [4],[8]   4,631 [2],[6]
Investment, Identifier [Axis]: SI Holdings, Inc. (Integrated Polymer Solutions), Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: SI Holdings, Inc. (Integrated Polymer Solutions), Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] 5,686    
Fair value at the ending [2],[23]     5,686
Investment, Identifier [Axis]: SI Holdings, Inc. (Integrated Polymer Solutions), Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19],[20] 1,895    
Fair value at the ending [2],[19],[20]     1,895
Investment, Identifier [Axis]: SI Holdings, Inc. (Integrated Polymer Solutions), Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19],[20] 989    
Fair value at the ending [2],[19],[20]     989
Investment, Identifier [Axis]: SI Holdings, Inc. (Integrated Polymer Solutions), Senior Secured Loans 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19],[20] 1,711    
Fair value at the ending [2],[19],[20]     1,711
Investment, Identifier [Axis]: SI Holdings, Inc. (Integrated Polymer Solutions), Senior Secured Loans 5      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19],[20] 1,003    
Fair value at the ending [2],[19],[20]     1,003
Investment, Identifier [Axis]: SI Holdings, Inc. (Integrated Polymer Solutions), Senior Secured Loans 6      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19],[20] 979    
Fair value at the ending [2],[19],[20]     979
Investment, Identifier [Axis]: SI Holdings, Inc. (Integrated Polymer Solutions), Senior Secured Loans 7      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[19],[20] 2,181    
Fair value at the ending [2],[5],[19],[20]     2,181
Investment, Identifier [Axis]: SIP Care Services, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 736    
Fair value at the ending 740 [4]   736 [2]
Investment, Identifier [Axis]: SIP Care Services, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 145    
Fair value at the ending 146 [4],[7]   145 [2],[5]
Investment, Identifier [Axis]: SIP Care Services, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[20] 3,580    
Fair value at the ending 3,589 [4],[7],[22]   3,580 [2],[5],[20]
Investment, Identifier [Axis]: STATS Intermediate Holdings, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 14,152    
Fair value at the ending 13,878 [4]   14,152 [2]
Investment, Identifier [Axis]: Sabrosura Foods, LLC et al, Equity Securities, Class A interest      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 0    
Fair value at the ending [2]     $ 0
Number of shares held     171,429
Investment, Identifier [Axis]: Sabrosura Foods, LLC et al, Equity Securities, Class A interests      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 0    
Number of shares held 171,429    
Investment, Identifier [Axis]: Sabrosura Foods, LLC et al, Equity Securities, Class AA units      
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, Equity Securities, Class AAA units      
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]: Sandvine Corporation, Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] $ 0    
Fair value at the ending [2],[5]     $ 0
Number of shares held [5]     23,212
Investment, Identifier [Axis]: Sandvine Corporation, Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[32] 221    
Fair value at the ending [2],[5],[32]     $ 221
Investment, Identifier [Axis]: Sandvine Corporation, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[11],[12],[32] 0    
Fair value at the ending [2],[5],[11],[12],[32]     0
Investment, Identifier [Axis]: Sandvine Corporation, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[32] 217    
Fair value at the ending [2],[5],[32]     217
Investment, Identifier [Axis]: Sandvine Corporation, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[32] 43    
Fair value at the ending [2],[5],[32]     43
Investment, Identifier [Axis]: Second Avenue SFR Holdings II LLC (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning   3,323 3,323
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   3,323  
Investment, Identifier [Axis]: Security Services Acquisition Sub Corp, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[23] 43,723    
Fair value at the ending [2],[5],[23]     43,723
Investment, Identifier [Axis]: Security Services Acquisition Sub Corp, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[23] 13,575    
Fair value at the ending [2],[5],[23]     13,575
Investment, Identifier [Axis]: Security Services Acquisition Sub Corp, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[23] 13,411    
Fair value at the ending [2],[5],[23]     13,411
Investment, Identifier [Axis]: Security Services Acquisition Sub Corp., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7],[24] 43,657    
Investment, Identifier [Axis]: Security Services Acquisition Sub Corp., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7],[24] 13,554    
Investment, Identifier [Axis]: Security Services Acquisition Sub Corp., Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7],[24] 13,390    
Investment, Identifier [Axis]: Securly, Inc, Senior Secured Loans. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 969    
Fair value at the ending [2],[11]     969
Investment, Identifier [Axis]: Securly, Inc, Senior Secured Loans. 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 3,702    
Fair value at the ending [2],[20]     3,702
Investment, Identifier [Axis]: Securly, Inc, Senior Secured Loans. 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 8,400    
Fair value at the ending [2],[20]     8,400
Investment, Identifier [Axis]: Securly, Inc, Senior Secured Loans. 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 1,938    
Fair value at the ending [2],[20]     1,938
Investment, Identifier [Axis]: Securly, Inc, Senior Secured Loans. 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19] 2,488    
Fair value at the ending [2],[19]     2,488
Investment, Identifier [Axis]: Securly, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 969    
Investment, Identifier [Axis]: Securly, Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[22] 3,702    
Investment, Identifier [Axis]: Securly, Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[22] 8,400    
Investment, Identifier [Axis]: Securly, Inc., Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[22] 1,938    
Investment, Identifier [Axis]: Securly, Inc., Senior Secured Loans 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[10] 2,488    
Investment, Identifier [Axis]: Securly, Inc., Senior Secured Loans 5      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[10] 457    
Investment, Identifier [Axis]: Seran BioScience, LLC, Equity Securities, Common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 637    
Fair value at the ending $ 718 [4]   $ 637 [2]
Number of shares held 26,666   26,666
Investment, Identifier [Axis]: Seran BioScience, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] $ 0    
Investment, Identifier [Axis]: Seran BioScience, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   $ 0 [2],[11]
Investment, Identifier [Axis]: Seran BioScience, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[20] 1,923    
Fair value at the ending 1,920 [4],[21],[22]   1,923 [2],[18],[20]
Investment, Identifier [Axis]: Seran BioScience, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23],[26] 1,148    
Fair value at the ending 227 [4],[24],[27]   1,148 [2],[23],[26]
Investment, Identifier [Axis]: Seran BioScience, LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] 2,181    
Fair value at the ending 431 [4],[21]   2,181 [2],[18]
Investment, Identifier [Axis]: SheerTrans Solutions, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning   5,101 5,101
Transfers in (out)   0  
Purchases (cost)   0  
Sales and paydowns (cost)   (13)  
PIK interest capitalized (cost)   53  
Discount accretion   5  
Net realized gain (loss)   0  
Net change in unrealized gain (loss)   (6)  
Fair value at the ending   5,140  
Investment, Identifier [Axis]: SheerTrans Solutions, LLC (Preferred interests)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 11,989 9,192 9,192
Transfers in (out) 0 0  
Purchases (cost) 0 3,042  
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) 245 (122)  
Fair value at the ending $ 12,234 $ 12,112 11,989
Number of shares held 12,233,889 9,191,624  
Investment, Identifier [Axis]: SheerTrans Solutions, LLC (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 998 $ 959 959
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) 0 0  
PIK interest capitalized (cost) 11 9  
Discount accretion 0 0  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 0 0  
Fair value at the ending 1,009 968 998
Investment, Identifier [Axis]: SheerTrans Solutions, LLC 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 5,261 0 0
Transfers in (out) 0 0  
Purchases (cost) 0 1,436  
Sales and paydowns (cost) (12) (3)  
PIK interest capitalized (cost) 53 7  
Discount accretion 7 1  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) (7) 27  
Fair value at the ending 5,302 1,468 5,261
Investment, Identifier [Axis]: SheerTrans Solutions, LLC 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 1,503    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) (4)    
PIK interest capitalized (cost) 15    
Discount accretion 2    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) (2)    
Fair value at the ending 1,514   1,503
Investment, Identifier [Axis]: SheerTrans Solutions, LLC, Equity Securities, Preferred interests      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 11,989    
Fair value at the ending $ 12,234 [4],[17]   $ 11,989 [2],[16]
Number of shares held 12,233,889 [17]   12,233,889 [16]
Investment, Identifier [Axis]: SheerTrans Solutions, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] $ 998    
Fair value at the ending 1,009 [4],[9]   $ 998 [2],[11]
Investment, Identifier [Axis]: SheerTrans Solutions, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 5,261    
Fair value at the ending 5,302 [4]   5,261 [2]
Investment, Identifier [Axis]: SheerTrans Solutions, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,503    
Fair value at the ending 1,514 [4]   1,503 [2]
Investment, Identifier [Axis]: Signal 88, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 23,529    
Fair value at the ending 23,470 [4],[7]   23,529 [2],[5]
Investment, Identifier [Axis]: Signiant Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] 14,775    
Fair value at the ending 15,000 [4],[24]   14,775 [2],[23]
Investment, Identifier [Axis]: Signiant Inc., Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: Signiant Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Skillsoft Corp., Equity Securities, Class A shares      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[6],[62] 31    
Fair value at the ending $ 25 [4],[7],[8],[63]   $ 31 [2],[5],[6],[62]
Number of shares held 1,308 [7],[8],[63]   1,308 [5],[6],[62]
Investment, Identifier [Axis]: Slater Slater Schulman LLP, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 20,774    
Fair value at the ending 19,567 [4]   $ 20,774 [2]
Investment, Identifier [Axis]: SonicWall US Holdings Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[14] 5,985    
Fair value at the ending 15,755 [4],[15]   5,985 [2],[14]
Investment, Identifier [Axis]: Sparq Holdings, In, Senior Secured Loansc. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 41    
Fair value at the ending [2],[11]     41
Investment, Identifier [Axis]: Sparq Holdings, Inc, Senior Secured Loans. (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending [2],[11],[12]     0
Investment, Identifier [Axis]: Sparq Holdings, Inc, Senior Secured Loans. 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 1,982    
Fair value at the ending [2],[20]     1,982
Investment, Identifier [Axis]: Sparq Holdings, Inc, Senior Secured Loans. 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 444    
Fair value at the ending [2]     444
Investment, Identifier [Axis]: Sparq Holdings, Inc., Equity Securities, Common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 645    
Fair value at the ending $ 506 [4]   $ 645 [2]
Number of shares held 600,000   600,000
Investment, Identifier [Axis]: Sparq Holdings, Inc., Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] $ 0    
Investment, Identifier [Axis]: Sparq Holdings, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 95    
Investment, Identifier [Axis]: Sparq Holdings, Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[22] 1,948    
Investment, Identifier [Axis]: Sparq Holdings, Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 434    
Fair value at the ending 427 [4]   $ 434 [2]
Investment, Identifier [Axis]: Sparq Holdings, Inc., Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 436    
Investment, Identifier [Axis]: Spherix Global Inc, Senior Secured Loans.      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 2,757    
Fair value at the ending [2],[20]     2,757
Investment, Identifier [Axis]: Spherix Global Inc, Senior Secured Loans. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: Spherix Global Inc., Equity Securities, Class A units      
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 333   333
Investment, Identifier [Axis]: Spherix Global Inc., Equity Securities, Class A-2 units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 12    
Fair value at the ending $ 52 [4]   $ 12 [2]
Number of shares held 52   52
Investment, Identifier [Axis]: Spherix Global Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[22] $ 2,976    
Investment, Identifier [Axis]: Spherix Global Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: Sports Operating Holdings II, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 4,888    
Fair value at the ending 4,875 [4],[7]   $ 4,888 [2],[5]
Investment, Identifier [Axis]: Sports Operating Holdings II, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 2,198    
Fair value at the ending 3,140 [4],[9],[13]   2,198 [2],[11],[12]
Investment, Identifier [Axis]: Sports Operating Holdings II, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: StarCompliance MidCo, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 2,921    
Fair value at the ending 2,286 [4],[9]   2,921 [2],[11]
Investment, Identifier [Axis]: StarCompliance MidCo, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19] 443    
Fair value at the ending 441 [4],[10],[25]   443 [2],[19]
Investment, Identifier [Axis]: StarCompliance MidCo, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19],[20],[23],[26] 27,478    
Fair value at the ending 27,409 [4],[10],[22],[24],[25],[27]   27,478 [2],[19],[20],[23],[26]
Investment, Identifier [Axis]: StarCompliance MidCo, LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 4,269    
Fair value at the ending 4,259 [4],[22],[25]   4,269 [2],[20]
Investment, Identifier [Axis]: StarCompliance MidCo, LLC, Senior Secured Loans 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] 2,519    
Fair value at the ending 2,513 [4],[24]   2,519 [2],[23]
Investment, Identifier [Axis]: Steel City Wash, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[25] 13,720    
Investment, Identifier [Axis]: Steel City Wash, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] 0    
Investment, Identifier [Axis]: Steel City Wash, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: StormTrap, LLC, Equity Securities, Class A common units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 407    
Fair value at the ending $ 451 [4],[17]   $ 407 [2],[16]
Number of shares held 640,000 [17]   640,000 [16]
Investment, Identifier [Axis]: StormTrap, LLC, Equity Securities, Class A preferred units      
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, Equity Securities, Shares of common stock      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 453    
Number of shares held 8,812    
Investment, Identifier [Axis]: Streamland Media MidCo LLC, Equity Securities, Warrant to purchase the equity 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 0    
Fair value at the ending [2]     $ 0
Investment, Identifier [Axis]: Streamland Media MidCo LLC, Equity Securities, Warrant to purchase the equity 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 0    
Fair value at the ending [2]     0
Investment, Identifier [Axis]: Streamland Media MidCo LLC, Junior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[30] 870    
Investment, Identifier [Axis]: Streamland Media MidCo LLC, Junior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[32] 1,212    
Fair value at the ending [2],[32]     1,212
Investment, Identifier [Axis]: Streamland Media MidCo LLC, Junior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[32] 328    
Fair value at the ending [2],[32]     328
Investment, Identifier [Axis]: Streamland Media MidCo LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[30] 916    
Investment, Identifier [Axis]: Streamland Media MidCo LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[30] 0    
Investment, Identifier [Axis]: Streamland Media MidCo LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[32] 175    
Fair value at the ending [2],[32]     175
Investment, Identifier [Axis]: Streamland Media MidCo LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[32] 175    
Fair value at the ending [2],[32]     175
Investment, Identifier [Axis]: Streamland Media MidCo LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[32] 58    
Fair value at the ending [2],[32]     58
Investment, Identifier [Axis]: Streamland Media MidCo LLC, Senior Secured Loans 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[32] 58    
Fair value at the ending [2],[32]     58
Investment, Identifier [Axis]: Summit Professional Education, Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[16] 16,676    
Fair value at the ending [2],[16]     $ 16,676
Number of shares held [16]     16,676
Investment, Identifier [Axis]: Summit Professional Education, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 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   $ 10,244
Investment, Identifier [Axis]: Summit Professional Education, LLC (Class A units)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 16,676    
Transfers in (out) 0    
Purchases (cost) 2,105    
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 $ 18,781   16,676
Number of shares held 18,781    
Investment, Identifier [Axis]: Summit Professional Education, LLC (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 1,145    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) (1,145)    
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   1,145
Investment, Identifier [Axis]: Summit Professional Education, LLC, Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[17] $ 18,781    
Number of shares held [17] 18,781    
Investment, Identifier [Axis]: Summit Professional Education, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] $ 10,244    
Fair value at the ending 10,324 [4],[24]   10,244 [2],[23]
Investment, Identifier [Axis]: Summit Professional Education, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 1,145    
Fair value at the ending 0 [4],[9]   1,145 [2],[11]
Investment, Identifier [Axis]: Sundy Village West Mezz Borrower, LLC, Junior Secured Loans (Delayed Draw) 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[11],[12] 27,772    
Fair value at the ending 27,875 [4],[8],[9],[13]   27,772 [2],[6],[11],[12]
Investment, Identifier [Axis]: Sundy Village West Mezz Borrower, LLC, Junior Secured Loans (Delayed Draw) 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[11],[12] 3,598    
Fair value at the ending 3,798 [4],[8],[9],[13]   3,598 [2],[6],[11],[12]
Investment, Identifier [Axis]: Sunstates Security, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 20,400    
Fair value at the ending 20,400 [4]   20,400 [2]
Investment, Identifier [Axis]: Sunstates Security, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: Symplr Software, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 3,580    
Fair value at the ending 3,384 [4]   3,580 [2]
Investment, Identifier [Axis]: Syniverse Holdings, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6] 7,026    
Fair value at the ending 13,744 [4],[8]   7,026 [2],[6]
Investment, Identifier [Axis]: TCFIII OWL Buyer LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[21],[22] 4,331    
Investment, Identifier [Axis]: TCFIII OWL Buyer LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[21] 5,289    
Investment, Identifier [Axis]: TCFIII OWL Buyer LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[21],[22] 4,747    
Investment, Identifier [Axis]: TCFIII Owl Buyer LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[20] 4,343    
Fair value at the ending [2],[18],[20]     4,343
Investment, Identifier [Axis]: TCFIII Owl Buyer LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] 5,303    
Fair value at the ending [2],[18]     5,303
Investment, Identifier [Axis]: TCFIII Owl Buyer LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[20] 4,759    
Fair value at the ending [2],[18],[20]     4,759
Investment, Identifier [Axis]: TEAM Public Choices, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 4,499    
Fair value at the ending 4,350 [4],[7]   4,499 [2],[5]
Investment, Identifier [Axis]: TEAM Public Choices, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] 1,495    
Fair value at the ending 1,445 [4],[24]   1,495 [2],[23]
Investment, Identifier [Axis]: TIC Bidco Limited, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[33],[58] 14,289    
Fair value at the ending [2],[6],[33],[58]     14,289
Investment, Identifier [Axis]: TIC Bidco Limited, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8],[34],[59] 14,786    
Investment, Identifier [Axis]: TIC Bidco Limited, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8],[34],[59] 2,016    
Investment, Identifier [Axis]: Talos Energy Inc., Equity Securities, Shares of common stock      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[6],[62] 118    
Fair value at the ending $ 118 [4],[7],[8],[63]   $ 118 [2],[5],[6],[62]
Number of shares held 12,138 [7],[8],[63]   12,138 [5],[6],[62]
Investment, Identifier [Axis]: Tavoron Buyer Corp., Equity Securities, Units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 2,319    
Number of shares held 2,319,249    
Investment, Identifier [Axis]: Tavoron Buyer Corp., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[25] $ 7,486    
Investment, Identifier [Axis]: Tavoron Buyer Corp., Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] 0    
Investment, Identifier [Axis]: Tavoron Buyer Corp., Senior Secured Loans (Revolver) 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8],[9],[29] 0    
Investment, Identifier [Axis]: Tavoron Buyer Corp., Senior Secured Loans (Revolver) 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: Tegra118 Wealth Solutions, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8],[15] 1,779    
Investment, Identifier [Axis]: Teneo Holdings LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[14],[23] 8,280    
Fair value at the ending 8,201 [4],[24]   $ 8,280 [2],[14],[23]
Investment, Identifier [Axis]: Tenneco Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[14],[18] 12,774    
Fair value at the ending 15,241 [4],[7],[21]   12,774 [2],[5],[14],[18]
Investment, Identifier [Axis]: The Black Tux, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[19],[26] 10,437    
Fair value at the ending 10,369 [4],[10],[21],[27]   10,437 [2],[18],[19],[26]
Investment, Identifier [Axis]: The Black Tux, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 194 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: The Black Tux, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: The Black Tux, LLC, Senior Secured Loans(Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: The Gersh Agency, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: The Gersh Agency, LLC, Senior Secured Loans (Revolver) 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[11],[64] 0    
Fair value at the ending 1,622 [4],[8],[9],[65]   0 [2],[6],[11],[64]
Investment, Identifier [Axis]: The Gersh Agency, LLC, Senior Secured Loans (Revolver) 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 1,274    
Fair value at the ending 1,297 [4],[9]   1,274 [2],[11]
Investment, Identifier [Axis]: The Gersh Agency, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[64] 5,637    
Fair value at the ending 6,008 [4],[8],[65]   5,637 [2],[6],[64]
Investment, Identifier [Axis]: The Gersh Agency, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[64] 17,252    
Fair value at the ending 18,385 [4],[8],[65]   17,252 [2],[6],[64]
Investment, Identifier [Axis]: The Gersh Agency, LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] 6,305    
Fair value at the ending 6,427 [4],[24]   6,305 [2],[23]
Investment, Identifier [Axis]: The Gersh Agency, LLC, Senior Secured Loans 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] 13,348    
Fair value at the ending 13,606 [4],[24]   13,348 [2],[23]
Investment, Identifier [Axis]: The Hertz Corporation, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6] 7,491    
Fair value at the ending 6,410 [4],[8]   7,491 [2],[6]
Investment, Identifier [Axis]: The Hertz Corporation, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6] 1,463    
Fair value at the ending 1,255 [4],[8]   1,463 [2],[6]
Investment, Identifier [Axis]: The Kyjen Company, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 268    
Fair value at the ending 119 [4],[9]   268 [2]
Investment, Identifier [Axis]: The Kyjen Company, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[20] 2,905    
Fair value at the ending 2,794 [4],[7],[22]   2,905 [2],[5],[20]
Investment, Identifier [Axis]: The Kyjen Company, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 3    
Fair value at the ending 3 [4]   3 [2]
Investment, Identifier [Axis]: The Smilist DSO, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] 713    
Investment, Identifier [Axis]: The Smilist DSO, LLC, Senior Secured Loans (Delayed Draw) 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 5,349    
Fair value at the ending [2],[11],[12]     5,349
Investment, Identifier [Axis]: The Smilist DSO, LLC, Senior Secured Loans (Delayed Draw) 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending [2],[11],[12]     0
Investment, Identifier [Axis]: The Smilist DSO, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: The Smilist DSO, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] 28,669    
Fair value at the ending 28,654 [4],[24]   28,669 [2],[23]
Investment, Identifier [Axis]: The Smilist DSO, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 7,751    
Fair value at the ending 7,747 [4]   7,751 [2]
Investment, Identifier [Axis]: The Smilist DSO, LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 6,221    
Investment, Identifier [Axis]: Thrasio, LLC, Equity Securities, Shares of common stock      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 874    
Fair value at the ending $ 874 [4]   $ 874 [2]
Number of shares held 31,764   31,764
Investment, Identifier [Axis]: Thrasio, LLC, Equity Securities, Units      
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 2,162,506   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],[32] $ 1,397    
Fair value at the ending 1,393 [4],[30]   $ 1,397 [2],[32]
Investment, Identifier [Axis]: Thrasio, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[32] 546    
Fair value at the ending 502 [4],[30]   546 [2],[32]
Investment, Identifier [Axis]: Thryv, Inc, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6] 7,895    
Fair value at the ending [2],[6]     7,895
Investment, Identifier [Axis]: Thryv, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8] 7,886    
Investment, Identifier [Axis]: TigerConnect, Inc, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: TigerConnect, Inc., Senior Secured Loans (Delayed Draw) 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 4 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: TigerConnect, Inc., Senior Secured Loans (Delayed Draw) 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 811    
Fair value at the ending 906 [4],[9],[13]   811 [2],[11],[12]
Investment, Identifier [Axis]: TigerConnect, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: TigerConnect, Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 9,925    
Fair value at the ending 9,938 [4],[22]   9,925 [2],[20]
Investment, Identifier [Axis]: TigerConnect, Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 567    
Fair value at the ending 568 [4]   567 [2]
Investment, Identifier [Axis]: Tiugo Group Holdings Corp, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 64,904    
Investment, Identifier [Axis]: Tiugo Group Holdings Corp, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] 0    
Investment, Identifier [Axis]: Tiugo Group Holdings Corp, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: Touchmath Acquisition LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] 9,516    
Fair value at the ending 9,130 [4],[24]   9,516 [2],[23]
Investment, Identifier [Axis]: Touchmath Acquisition LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Touchtunes Music Group, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[15] 4,687    
Investment, Identifier [Axis]: Transnetwork LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] 15,838    
Fair value at the ending 15,759 [4],[24],[25]   15,838 [2],[23]
Investment, Identifier [Axis]: Triad Financial Services, Inc. (Equity commitment)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 4,803    
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 4,803   4,803
Amount of total commitment 4,803    
Total equity investment 41,855    
Investment, Identifier [Axis]: Triad Financial Services, Inc., Equity Securities, Equity commitment      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[66] 4,803    
Fair value at the ending 4,803 [4],[8],[67]   4,803 [2],[6],[66]
Amount of total commitment 4,803 [8],[67]   4,803 [6],[66]
Total equity investment 41,855 [8],[67]   41,855 [6],[66]
Investment, Identifier [Axis]: Trilon Group, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 2,614    
Fair value at the ending 0 [4],[9],[13]   2,614 [2],[11],[12]
Investment, Identifier [Axis]: Trilon Group, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 609    
Fair value at the ending 0 [4],[9]   609 [2],[11]
Investment, Identifier [Axis]: Trilon Group, LLC, Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 3,603    
Fair value at the ending 11,746 [4],[10],[21],[22],[27]   3,603 [2]
Investment, Identifier [Axis]: Trilon Group, LLC, Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[19],[20],[26] 11,729    
Fair value at the ending 3,609 [4]   11,729 [2],[18],[19],[20],[26]
Investment, Identifier [Axis]: Trilon Group, LLC, Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 370    
Fair value at the ending 12,144 [4]   370 [2]
Investment, Identifier [Axis]: Trilon Group, LLC, Senior Secured Loans 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 371    
Investment, Identifier [Axis]: Trilon Group, LLC, Senior Secured Loans 5      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[25] 10,091    
Investment, Identifier [Axis]: Truck-Lite Co., LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 9,861    
Fair value at the ending 9,788 [4]   9,861 [2]
Investment, Identifier [Axis]: Truck-Lite Co., LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 682 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: Truck-Lite Co., LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 71 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Ultra Clean Holdco LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] 20,832    
Fair value at the ending 20,853 [4],[24],[27]   20,832 [2],[23]
Investment, Identifier [Axis]: Ultra Clean Holdco LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 2,987    
Fair value at the ending 3,741 [4],[9],[13]   2,987 [2],[11],[12]
Investment, Identifier [Axis]: Ultra Clean Holdco LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Unanet, Inc, Senior Secured Loans.      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19],[20] 22,000    
Fair value at the ending [2],[19],[20]     22,000
Investment, Identifier [Axis]: Unanet, Inc, Senior Secured Loans. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: Unanet, Inc., Equity Securities, Shares of common stock      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 2,804    
Fair value at the ending $ 2,821 [4]   $ 2,804 [2]
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 ending [4],[10],[22] $ 22,000    
Investment, Identifier [Axis]: Unanet, Inc., Senior Secured Loans (Delayed Draw) 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 3,393    
Fair value at the ending 3,914 [4],[9],[13]   $ 3,393 [2],[11],[12]
Investment, Identifier [Axis]: Unanet, Inc., Senior Secured Loans (Delayed Draw) 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: Unanet, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: Valkyrie Buyer, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 18,005    
Fair value at the ending 18,022 [4],[7]   18,005 [2],[5]
Investment, Identifier [Axis]: Valkyrie Buyer, LLC, Senior Secured Loans (Delayed Draw) 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: Valkyrie Buyer, LLC, Senior Secured Loans (Delayed Draw) 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: Valkyrie Buyer, LLC, Senior Secured Loans (Delayed Draw) 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 4,639    
Fair value at the ending 6,423 [4],[9],[13]   4,639 [2],[11],[12]
Investment, Identifier [Axis]: Valkyrie Buyer, LLC, Senior Secured Loans (Delayed Draw) 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: Valkyrie Buyer, LLC, Senior Secured Loans (Delayed Draw) 5      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: Valkyrie Buyer, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Varicent Intermediate Holdings Corporation, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[35] 26,428    
Fair value at the ending 27,111 [4],[8],[36]   26,428 [2],[6],[35]
Investment, Identifier [Axis]: Varicent Intermediate Holdings Corporation, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[11],[12],[31],[35] 0    
Fair value at the ending 0 [4],[8],[9],[13],[36]   0 [2],[6],[11],[12],[31],[35]
Investment, Identifier [Axis]: Varicent Intermediate Holdings Corporation, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[11],[35] 0    
Fair value at the ending 0 [4],[8],[9],[36]   0 [2],[6],[11],[35]
Investment, Identifier [Axis]: Velociti, LLC, Equity Securities, Units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[17] $ 6,076    
Number of shares held [17] 6,075,951    
Investment, Identifier [Axis]: Velociti, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[10],[24] $ 11,728    
Investment, Identifier [Axis]: Velociti, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: Vero Biotech Inc, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 29,471    
Fair value at the ending [2]     29,471
Investment, Identifier [Axis]: Vero Biotech Inc., Equity Securities, Warrant to purchase the equity      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 182    
Fair value at the ending 177 [4]   182 [2]
Investment, Identifier [Axis]: Vero Biotech Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] 29,501    
Investment, Identifier [Axis]: Vhagar Purchaser, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19] 10,075    
Fair value at the ending 10,000 [4],[10]   10,075 [2],[19]
Investment, Identifier [Axis]: Vhagar Purchaser, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 504    
Fair value at the ending 500 [4],[9],[13]   504 [2],[11],[12]
Investment, Identifier [Axis]: Vhagar Purchaser, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: Vice Acquisition Holdco, LLC, Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 0    
Number of shares held 1,110,000    
Investment, Identifier [Axis]: Vice Acquisition Holdco, LLC, Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 0    
Fair value at the ending [2]     $ 0
Number of shares held     1,110,000
Investment, Identifier [Axis]: Vice Acquisition Holdco, LLC, Junior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[32],[68] 0    
Fair value at the ending 0 [4],[30],[69]   $ 0 [2],[32],[68]
Investment, Identifier [Axis]: Vice Acquisition Holdco, LLC, Junior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[32],[68] 0    
Fair value at the ending 0 [4],[30],[69]   0 [2],[32],[68]
Investment, Identifier [Axis]: Vice Acquisition Holdco, LLC, Junior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[32],[68] 0    
Fair value at the ending 0 [4],[30],[69]   0 [2],[32],[68]
Investment, Identifier [Axis]: Vice Acquisition Holdco, LLC, Junior Secured Loans 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[32],[68] 0    
Fair value at the ending 0 [4],[30],[69]   0 [2],[32],[68]
Investment, Identifier [Axis]: Vice Acquisition Holdco, LLC, Junior Secured Loans 5      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[32] 246    
Fair value at the ending 235 [4],[30]   246 [2],[32]
Investment, Identifier [Axis]: Vice Acquisition Holdco, LLC, Junior Secured Loans 6      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[32] 74    
Fair value at the ending 71 [4],[30]   74 [2],[32]
Investment, Identifier [Axis]: Vice Acquisition Holdco, LLC, Junior Secured Loans 7      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[32] 130    
Fair value at the ending 124 [4],[30]   130 [2],[32]
Investment, Identifier [Axis]: Vice Acquisition Holdco, LLC, Junior Secured Loans 8      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[32] 0    
Fair value at the ending 0 [4],[30]   0 [2],[32]
Investment, Identifier [Axis]: Vice Acquisition Holdco, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[32] 417    
Fair value at the ending 423 [4],[30]   417 [2],[32]
Investment, Identifier [Axis]: Volt Bidco, Inc, Senior Secured Loans. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: Volt Bidco, Inc, Senior Secured Loans. 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 9,136    
Fair value at the ending [2],[20]     9,136
Investment, Identifier [Axis]: Volt Bidco, Inc, Senior Secured Loans. 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[23] 1,717    
Fair value at the ending [2],[23]     1,717
Investment, Identifier [Axis]: Volt Bidco, Inc, Senior Secured Loans. 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 712    
Fair value at the ending [2]     712
Investment, Identifier [Axis]: Volt Bidco, Inc, Senior Secured Loans. 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 987    
Fair value at the ending [2]     987
Investment, Identifier [Axis]: Volt Bidco, Inc., Equity Securities, Shares of common stock      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 1,092    
Fair value at the ending $ 1,045 [4]   $ 1,092 [2]
Number of shares held 878   878
Investment, Identifier [Axis]: Volt Bidco, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] $ 0    
Investment, Identifier [Axis]: Volt Bidco, Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[22] 9,372    
Investment, Identifier [Axis]: Volt Bidco, Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[24] 1,762    
Investment, Identifier [Axis]: Volt Bidco, Inc., Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[25] 718    
Investment, Identifier [Axis]: Volt Bidco, Inc., Senior Secured Loans 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[25] 986    
Investment, Identifier [Axis]: WPEngine, Inc, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[19],[20] 16,640    
Fair value at the ending [2],[19],[20]     $ 16,640
Investment, Identifier [Axis]: WPEngine, Inc, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: WPEngine, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[10],[22] 16,566    
Investment, Identifier [Axis]: WPEngine, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: Watchguard Technologies, Inc, Senior Secured Loans.      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 20,532    
Fair value at the ending [2],[5]     20,532
Investment, Identifier [Axis]: Watchguard Technologies, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[7] 20,504    
Investment, Identifier [Axis]: Water Buyer, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[26] 9,950    
Fair value at the ending 9,955 [4],[27]   9,950 [2],[26]
Investment, Identifier [Axis]: Water Buyer, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 0    
Fair value at the ending 0 [4],[9],[13]   0 [2],[11],[12]
Investment, Identifier [Axis]: Water Buyer, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending 0 [4],[9]   0 [2],[11]
Investment, Identifier [Axis]: WebPT, Inc, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 5,000    
Fair value at the ending [2],[20]     5,000
Investment, Identifier [Axis]: WebPT, Inc, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 275    
Fair value at the ending [2],[11]     275
Investment, Identifier [Axis]: WebPT, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[22] 5,000    
Investment, Identifier [Axis]: WebPT, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 365    
Investment, Identifier [Axis]: Whistler Parent Holdings III, Inc.      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 22,772    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 385    
Discount accretion 27    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) (1,618)    
Fair value at the ending 21,566   22,772
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    
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   1,980
Investment, Identifier [Axis]: Whistler Parent Holdings III, Inc. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 1,539    
Transfers in (out) 0    
Purchases (cost) 0    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 22    
Discount accretion 0    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) 0    
Fair value at the ending 1,561   1,539
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    
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 shares held 518,970    
Investment, Identifier [Axis]: Whistler Parent Holdings III, Inc. (Series A preferred stock) 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 0    
Fair value at the ending [2]     $ 0
Number of shares held     518,970
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    
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 shares held 116,083    
Investment, Identifier [Axis]: Whistler Parent Holdings III, Inc. (Series B preferred stock) 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] $ 0    
Fair value at the ending [2]     $ 0
Number of shares held     116,083
Investment, Identifier [Axis]: Whistler Parent Holdings III, Inc., Equity Securities, Series A preferred stock      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 0    
Number of shares held 518,970    
Investment, Identifier [Axis]: Whistler Parent Holdings III, Inc., Equity Securities, Series B preferred stock      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 0    
Number of shares held 116,083    
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] $ 22,772    
Fair value at the ending 21,566 [4]   $ 22,772 [2]
Investment, Identifier [Axis]: Whistler Parent Holdings III, Inc., Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 1,980    
Fair value at the ending 2,425 [4],[9],[13]   1,980 [2],[11],[12]
Investment, Identifier [Axis]: Whistler Parent Holdings III, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 1,539    
Fair value at the ending 1,561 [4],[9]   1,539 [2],[11]
Investment, Identifier [Axis]: Witkoff/Monroe 700 JV LLC, Equity Securities, Preferred units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[16] 5,200    
Fair value at the ending $ 5,449 [4],[8],[17]   $ 5,200 [2],[6],[16]
Number of shares held 2,992 [8],[17]   2,992 [6],[16]
Investment, Identifier [Axis]: Witkoff/Monroe 700 JV LLC, Junior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6] $ 455    
Fair value at the ending 1,646 [4],[8]   $ 455 [2],[6]
Investment, Identifier [Axis]: Witkoff/Monroe 700 JV LLC, Junior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6] 10,033    
Fair value at the ending 470 [4],[8]   10,033 [2],[6]
Investment, Identifier [Axis]: Witkoff/Monroe 700 JV LLC, Junior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6] 1,736    
Fair value at the ending 10,386 [4],[8]   1,736 [2],[6]
Investment, Identifier [Axis]: Witkoff/Monroe 700 JV LLC, Junior Secured Loans 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6] 3,114    
Fair value at the ending 1,797 [4],[8]   3,114 [2],[6]
Investment, Identifier [Axis]: Witkoff/Monroe 700 JV LLC, Junior Secured Loans 5      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6] 2,135    
Fair value at the ending 3,224 [4],[8]   2,135 [2],[6]
Investment, Identifier [Axis]: Witkoff/Monroe 700 JV LLC, Junior Secured Loans 6      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8] 2,210    
Investment, Identifier [Axis]: XanEdu Publishing, Inc, Senior Secured Loans. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: XanEdu Publishing, Inc, Senior Secured Loans. 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18],[20] 5,596    
Fair value at the ending [2],[18],[20]     5,596
Investment, Identifier [Axis]: XanEdu Publishing, Inc, Senior Secured Loans. 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[18] 2,224    
Fair value at the ending [2],[18]     2,224
Investment, Identifier [Axis]: XanEdu Publishing, Inc., Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 278    
Fair value at the ending $ 285 [4]   $ 278 [2]
Number of shares held 65,104   65,104
Investment, Identifier [Axis]: XanEdu Publishing, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] $ 0    
Investment, Identifier [Axis]: XanEdu Publishing, Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[21],[22] 5,596    
Investment, Identifier [Axis]: XanEdu Publishing, Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[21] 2,224    
Investment, Identifier [Axis]: Xpress Wellness, LLC, Equity Securities, Series A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 18,535    
Fair value at the ending $ 16,320 [4]   $ 18,535 [2]
Number of shares held 18,310   18,310
Investment, Identifier [Axis]: Xpress Wellness, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5],[18] $ 40,112    
Fair value at the ending 39,198 [4],[7],[21]   $ 40,112 [2],[5],[18]
Investment, Identifier [Axis]: Xpress Wellness, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11],[12] 451    
Fair value at the ending 2,407 [4],[9],[13]   451 [2],[11],[12]
Investment, Identifier [Axis]: Xpress Wellness, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 6,462    
Fair value at the ending 4,554 [4],[9]   6,462 [2],[11]
Investment, Identifier [Axis]: YBR OZ ECE, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 0    
Transfers in (out) 0    
Purchases (cost) 1,960    
Sales and paydowns (cost) 0    
PIK interest capitalized (cost) 0    
Discount accretion 2    
Net realized gain (loss) 0    
Net change in unrealized gain (loss) (2)    
Fair value at the ending 1,960   0
Investment, Identifier [Axis]: YBR OZ ECE, LLC (Class A units)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 0    
Transfers in (out) 0    
Purchases (cost) 6,875    
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 $ 6,875   0
Number of shares held 6,875    
Investment, Identifier [Axis]: YBR OZ ECE, 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]: YBR OZ ECE, 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]: YBR OZ ECE, LLC, Equity Securities, Class A units      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 6,875    
Number of shares held 6,875    
Investment, Identifier [Axis]: YBR OZ ECE, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4] $ 1,960    
Investment, Identifier [Axis]: YBR OZ ECE, LLC, Senior Secured Loans (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9],[13] 0    
Investment, Identifier [Axis]: YBR OZ ECE, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: ZI Intermediate II, Inc, Senior Secured Loans.      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] 57,078    
Fair value at the ending [2],[5]     57,078
Investment, Identifier [Axis]: ZI Intermediate II, Inc, Senior Secured Loans. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 0    
Fair value at the ending [2],[11]     0
Investment, Identifier [Axis]: ZI Intermediate II, Inc., Equity Securities, Shares of common stock      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2] 3,920    
Fair value at the ending $ 4,127 [4]   $ 3,920 [2]
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 ending [4],[7] $ 57,078    
Investment, Identifier [Axis]: ZI Intermediate II, Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[9] 0    
Investment, Identifier [Axis]: Zodega Landscaping, LLC      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 12,431 11,969 $ 11,969
Transfers in (out) 0 0  
Purchases (cost) 0 0  
Sales and paydowns (cost) (30) (30)  
PIK interest capitalized (cost) 0 0  
Discount accretion 27 21  
Net realized gain (loss) 0 0  
Net change in unrealized gain (loss) 2 546  
Fair value at the ending $ 12,430 12,506 12,431
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   12,421 12,421
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)   56  
Fair value at the ending   $ 12,477  
Number of units held   124,206  
Investment, Identifier [Axis]: Zodega Landscaping, LLC (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning $ 992 $ 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 992 $ 0 992
Investment, Identifier [Axis]: Zodega Landscaping, LLC (preferred interests)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning 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   15,130
Investment, Identifier [Axis]: Zodega Landscaping, LLC, Equity Securities, Preferred interests      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[70] 15,130    
Fair value at the ending $ 15,624 [4],[71]   $ 15,130 [2],[70]
Number of shares held 146,757 [71]   146,757 [70]
Investment, Identifier [Axis]: Zodega Landscaping, LLC, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[5] $ 12,431    
Fair value at the ending 12,430 [4],[7]   $ 12,431 [2],[5]
Investment, Identifier [Axis]: Zodega Landscaping, LLC, Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[11] 992    
Fair value at the ending 992 [4],[9]   992 [2],[11]
Investment, Identifier [Axis]: ecMarket Inc. and Conexiom US Inc, Senior Secured Loans. (Delayed Draw)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[11],[12],[35] 2,149    
Fair value at the ending [2],[6],[11],[12],[35]     2,149
Investment, Identifier [Axis]: ecMarket Inc. and Conexiom US Inc, Senior Secured Loans. (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[11],[35] 0    
Fair value at the ending [2],[6],[11],[35]     0
Investment, Identifier [Axis]: ecMarket Inc. and Conexiom US Inc, Senior Secured Loans. 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[20],[35] 16,535    
Fair value at the ending [2],[6],[20],[35]     16,535
Investment, Identifier [Axis]: ecMarket Inc. and Conexiom US Inc, Senior Secured Loans. 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[20],[35] 1,291    
Fair value at the ending [2],[6],[20],[35]     1,291
Investment, Identifier [Axis]: ecMarket Inc. and Conexiom US Inc, Senior Secured Loans. 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[35] 2,063    
Fair value at the ending [2],[6],[35]     2,063
Investment, Identifier [Axis]: ecMarket Inc. and Conexiom US Inc., Equity Securities, Preferred shares      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[6],[35] 714    
Fair value at the ending $ 629 [4],[8],[36]   $ 714 [2],[6],[35]
Number of shares held 96,603 [8],[36]   96,603 [6],[35]
Investment, Identifier [Axis]: ecMarket Inc. and Conexiom US Inc., Senior Secured Loans (Revolver)      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8],[9],[36] $ 0    
Investment, Identifier [Axis]: ecMarket Inc. and Conexiom US Inc., Senior Secured Loans 1      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8],[22],[36] 16,603    
Investment, Identifier [Axis]: ecMarket Inc. and Conexiom US Inc., Senior Secured Loans 2      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8],[22],[36] 1,291    
Investment, Identifier [Axis]: ecMarket Inc. and Conexiom US Inc., Senior Secured Loans 3      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8],[36] 2,718    
Investment, Identifier [Axis]: ecMarket Inc. and Conexiom US Inc., Senior Secured Loans 4      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[8],[36] 2,063    
Investment, Identifier [Axis]: iCIMS, Inc, Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the beginning [2],[20] 8,000    
Fair value at the ending [2],[20]     $ 8,000
Investment, Identifier [Axis]: iCIMS, Inc., Senior Secured Loans      
Transactions with Affiliated Companies, Fair value Roll Forward      
Fair value at the ending [4],[22] $ 8,000    
[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] 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).
[6] This investment is treated as a non-qualifying investment 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, 2024, non-qualifying assets totaled 11.4% of the Company’s total assets.
[7] 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).
[8] This investment is treated as a non-qualifying investment 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, 2025, non-qualifying assets totaled 12.9% of the Company’s total assets.
[9] All or a portion of this commitment was unfunded at March 31, 2025. As such, interest is earned only on the funded portion of this commitment.
[10] 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).
[11] All or a portion of this commitment was unfunded at December 31, 2024. As such, interest is earned only on the funded portion of this commitment.
[12] This delayed draw loan requires that certain financial covenants be met by the portfolio company prior to any fundings by the Company.
[13] This delayed draw loan requires that certain financial covenants be met by the portfolio company prior to any fundings by the Company.
[14] Investment position or portion thereof unsettled as of December 31, 2024.
[15] Investment position or portion thereof unsettled as of March 31, 2025.
[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 MC Income Plus Financing SPV II LLC (the “SPV II”) as collateral for the Company’s senior secured term credit facility (the “SPV II Credit Facility”) with KeyBank National Association. (See Note 7 in the accompanying notes to the consolidated financial statements).
[19] 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).
[20] 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).
[21] 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 term credit facility (the “SPV II Credit Facility”) with KeyBank National Association. (See Note 7 in the accompanying notes to the consolidated financial statements).
[22] 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).
[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 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).
[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 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).
[27] 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).
[28] This loan is denominated in Canadian dollars and is translated into U.S. dollars as of the valuation date.
[29] This loan is denominated in Canadian dollars and is translated into U.S. dollars as of the valuation date.
[30] This position was on non-accrual status as of March 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.
[31] Investments without an interest rate are non-income producing.
[32] This position was on non-accrual status as of December 31, 2024, 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.
[33] The headquarters of this portfolio company is located in United Kingdom.
[34] The headquarters of this portfolio company is located in United Kingdom.
[35] The headquarters of this portfolio company is located in Canada.
[36] The headquarters of this portfolio company is located in Canada.
[37] As of December 31, 2024, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $835.
[38] As of March 31, 2025, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $835
[39] The headquarters of this portfolio company is located in France.
[40] The headquarters of this portfolio company is located in France.
[41] The headquarters of this portfolio company is located in Australia.
[42] The investment is subject to a servicing agreement whereby the Fund earns a pooled effective yield of 18.1%.
[43] The investment is subject to a servicing agreement whereby the Fund earns a pooled effective yield of 18.1%.
[44] The headquarters of this portfolio company is located in Finland.
[45] As of December 31, 2024, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $34.
[46] As of March 31, 2025, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $34.
[47] As of March 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.
[48] The headquarters of this portfolio company is located in Costa Rica.
[49] As of December 31, 2024, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $697.
[50] As of March 31, 2025, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $697.
[51] As of March 31, 2025, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $37,510 for a total commitment of $45,000.
[52] As of March 31, 2025, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $884.
[53] The headquarters of this portfolio company is located in Australia.
[54] This loan is denominated in Australian dollars and is translated into U.S. dollars as of the valuation date.
[55] This loan is denominated in Australian dollars and is translated into U.S. dollars as of the valuation date.
[56] The investment is subject to a servicing agreement whereby the Fund earns a pooled effective yield of 15.1%.
[57] The investment is subject to a servicing agreement whereby the Fund earns a pooled effective yield of 15.1%.
[58] This loan is denominated in Great Britain pounds and is translated into U.S. dollars as of the valuation date.
[59] This loan is denominated in Great Britain pounds and is translated into U.S. dollars as of the valuation date.
[60] As of December 31, 2024, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $8.
[61] Reserved.
[62] The fair value of this investment was valued using Level 1 inputs. See Note 4 in the accompanying notes to the consolidated financial statements.
[63] The fair value of this investment was valued using Level 1 inputs. See Note 4 in the accompanying notes to the consolidated financial statements.
[64] This loan is denominated in Euros and is translated into U.S. dollars as of the valuation date.
[65] This loan is denominated in Euros and is translated into U.S. dollars as of the valuation date.
[66] As of December 31, 2024, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $37,052 for a total commitment of $41,855.
[67] As of March 31, 2025, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $37,053 for a total commitment of $41,855.
[68] This is a demand note with no stated maturity.
[69] This is a demand note with no stated maturity.
[70] As of December 31, 2024, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $1,197.
[71] As of March 31, 2025, the Company was party to a subscription agreement with a commitment to fund an additional equity investment of $1,197.