v3.26.1
Fair Value of Financial Instruments - Narrative (Details)
$ in Thousands
3 Months Ended
Jan. 20, 2021
Mar. 31, 2026
USD ($)
portfolioCompany
Dec. 31, 2025
USD ($)
portfolioCompany
Oct. 15, 2025
USD ($)
Feb. 28, 2025
USD ($)
Jul. 02, 2024
USD ($)
Schedule of Investments [Line Items]            
Amortized cost   $ 4,146,165 [1],[2],[3] $ 4,178,354 [4],[5],[6]      
Investment, Identifier [Axis]: FBLC Senior Loan Fund, LLC            
Schedule of Investments [Line Items]            
Amortized cost   225,000        
Investment, Identifier [Axis]: Urban One, Inc. | Media            
Schedule of Investments [Line Items]            
Amortized cost [7]     827      
Investment, Identifier [Axis]: 1236904 BC, Ltd. | Software 1            
Schedule of Investments [Line Items]            
Amortized cost   588 [8],[9] 3,523 [10],[11]      
Investment, Identifier [Axis]: 1236904 BC, Ltd. | Software 2            
Schedule of Investments [Line Items]            
Amortized cost   4,493 [8],[9],[12] 4,531 [10],[11],[13]      
Investment, Identifier [Axis]: AAdvantage Loyalty IP, Ltd., Passenger Airlines            
Schedule of Investments [Line Items]            
Amortized cost   3,978 3,987      
Investment, Identifier [Axis]: ACE Solutions, LLC | Oil, Gas & Consumable Fuels 1            
Schedule of Investments [Line Items]            
Amortized cost [9]   (23)        
Investment, Identifier [Axis]: ACE Solutions, LLC | Oil, Gas & Consumable Fuels 2            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   (56)        
Investment, Identifier [Axis]: ACE Solutions, LLC | Oil, Gas & Consumable Fuels 3            
Schedule of Investments [Line Items]            
Amortized cost [8],[9]   10,393        
Investment, Identifier [Axis]: ADCS Clinics Intermediate Holdings, LLC | Health Care Providers & Services 1            
Schedule of Investments [Line Items]            
Amortized cost   123 [9] 123 [11]      
Investment, Identifier [Axis]: ADCS Clinics Intermediate Holdings, LLC | Health Care Providers & Services 2            
Schedule of Investments [Line Items]            
Amortized cost   719 [9],[14] 256 [11],[15]      
Investment, Identifier [Axis]: ADCS Clinics Intermediate Holdings, LLC | Health Care Providers & Services 3            
Schedule of Investments [Line Items]            
Amortized cost   3,827 [8],[9] 3,832 [10],[11]      
Investment, Identifier [Axis]: ADCS Clinics Intermediate Holdings, LLC | Health Care Providers & Services 4            
Schedule of Investments [Line Items]            
Amortized cost   18,675 [8],[9] 18,704 [10],[11]      
Investment, Identifier [Axis]: ADMI Corp., Health Care Providers & Services            
Schedule of Investments [Line Items]            
Amortized cost   2,706 2,702      
Investment, Identifier [Axis]: AIG CLO, Ltd. 21-1A F, Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   1,315 1,313      
Investment, Identifier [Axis]: ARC Falcon I, Inc., Chemicals            
Schedule of Investments [Line Items]            
Amortized cost   4,953 4,967      
Investment, Identifier [Axis]: Accel International Holdings, LLC | Electrical Equipment 1            
Schedule of Investments [Line Items]            
Amortized cost   (21) [9],[14] (21) [11],[15]      
Investment, Identifier [Axis]: Accel International Holdings, LLC | Electrical Equipment 2            
Schedule of Investments [Line Items]            
Amortized cost   27,563 [8],[9],[12] 27,553 [10],[11],[13]      
Investment, Identifier [Axis]: Acrisure, LLC, Insurance            
Schedule of Investments [Line Items]            
Amortized cost   5,103 5,114      
Investment, Identifier [Axis]: Adelaide Borrower, LLC | Software 1            
Schedule of Investments [Line Items]            
Amortized cost   (57) [9],[14] (61) [11],[15]      
Investment, Identifier [Axis]: Adelaide Borrower, LLC | Software 2            
Schedule of Investments [Line Items]            
Amortized cost   530 [9],[14] 826 [11],[15]      
Investment, Identifier [Axis]: Adelaide Borrower, LLC | Software 3            
Schedule of Investments [Line Items]            
Amortized cost   35,364 [8],[9],[12] 35,327 [10],[11],[13]      
Investment, Identifier [Axis]: Adtalem Global Education, Inc., Diversified Consumer Services            
Schedule of Investments [Line Items]            
Amortized cost     238      
Investment, Identifier [Axis]: Alera Group, Inc. | Insurance            
Schedule of Investments [Line Items]            
Amortized cost   22,095 [8],[12] 22,028 [10],[13]      
Investment, Identifier [Axis]: Alera Group, Inc., Insurance            
Schedule of Investments [Line Items]            
Amortized cost   7,707 7,724      
Investment, Identifier [Axis]: Allwyn Entertainment Financing US, LLC, Hotels, Restaurants & Leisure            
Schedule of Investments [Line Items]            
Amortized cost   6,865 6,860      
Investment, Identifier [Axis]: American Auto Auction Group, LLC, Commercial Services & Supplies            
Schedule of Investments [Line Items]            
Amortized cost   1,983        
Investment, Identifier [Axis]: American Rock Salt Company, LLC | Chemicals 1            
Schedule of Investments [Line Items]            
Amortized cost   1,971 [8] 1,975 [10]      
Investment, Identifier [Axis]: American Rock Salt Company, LLC | Chemicals 2            
Schedule of Investments [Line Items]            
Amortized cost   5,975 [8],[9] 5,971 [10],[11]      
Investment, Identifier [Axis]: American Rock Salt Company, LLC, Chemicals            
Schedule of Investments [Line Items]            
Amortized cost     1,930      
Investment, Identifier [Axis]: American Rock Salt Company, LLC, Chemicals, S+ 7.25% (11.03%)            
Schedule of Investments [Line Items]            
Amortized cost   1,932        
Investment, Identifier [Axis]: Amylu Borrower Sub, LLC | Food Products 1            
Schedule of Investments [Line Items]            
Amortized cost   1,103 [9],[14] (31) [11],[15]      
Investment, Identifier [Axis]: Amylu Borrower Sub, LLC | Food Products 2            
Schedule of Investments [Line Items]            
Amortized cost   (68) [9],[14] (72) [11],[15]      
Investment, Identifier [Axis]: Amylu Borrower Sub, LLC | Food Products 3            
Schedule of Investments [Line Items]            
Amortized cost   38,991 [8],[9] 39,067 [10],[11]      
Investment, Identifier [Axis]: Aprio Advisory Group, LLC | Financial Services 1            
Schedule of Investments [Line Items]            
Amortized cost   (53) [9],[14] (56) [11],[15]      
Investment, Identifier [Axis]: Aprio Advisory Group, LLC | Financial Services 2            
Schedule of Investments [Line Items]            
Amortized cost   295 [9],[14] (9) [11],[15]      
Investment, Identifier [Axis]: Arch Global Precision, LLC | Machinery 1            
Schedule of Investments [Line Items]            
Amortized cost   2,286 [9] 945 [11],[15]      
Investment, Identifier [Axis]: Arch Global Precision, LLC | Machinery 2            
Schedule of Investments [Line Items]            
Amortized cost   808 [9],[14] 2,285 [11]      
Investment, Identifier [Axis]: Arch Global Precision, LLC | Machinery 3            
Schedule of Investments [Line Items]            
Amortized cost   7,255 [8],[9],[12] 7,250 [10],[11],[13]      
Investment, Identifier [Axis]: Arches Buyer, Inc., Media            
Schedule of Investments [Line Items]            
Amortized cost   5,829 5,834      
Investment, Identifier [Axis]: Arcline FM Holdings, LLC, Aerospace & Defense            
Schedule of Investments [Line Items]            
Amortized cost   4,953 4,964      
Investment, Identifier [Axis]: Arctic Holdco, LLC | Trading Companies & Distributors 1            
Schedule of Investments [Line Items]            
Amortized cost   3,198 [9],[14] 3,204 [11],[15]      
Investment, Identifier [Axis]: Arctic Holdco, LLC | Trading Companies & Distributors 2            
Schedule of Investments [Line Items]            
Amortized cost   1,131 [9],[14] 603 [11],[15]      
Investment, Identifier [Axis]: Arctic Holdco, LLC | Trading Companies & Distributors 3            
Schedule of Investments [Line Items]            
Amortized cost   45,427 [8],[9],[12] 45,515 [10],[11],[13]      
Investment, Identifier [Axis]: Armada Parent, Inc. | Aerospace & Defense 1            
Schedule of Investments [Line Items]            
Amortized cost   3,796 [9] 3,804 [11]      
Investment, Identifier [Axis]: Armada Parent, Inc. | Aerospace & Defense 2            
Schedule of Investments [Line Items]            
Amortized cost   (28) [9],[14] (25) [11],[15]      
Investment, Identifier [Axis]: Armada Parent, Inc. | Aerospace & Defense 3            
Schedule of Investments [Line Items]            
Amortized cost   55,113 [8],[9] 55,226 [10],[11]      
Investment, Identifier [Axis]: Artera Services, LLC, Construction & Engineering            
Schedule of Investments [Line Items]            
Amortized cost   5,478 5,489      
Investment, Identifier [Axis]: Artifact Bidco, Inc | Software 1            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   (10)        
Investment, Identifier [Axis]: Artifact Bidco, Inc. | Software 1            
Schedule of Investments [Line Items]            
Amortized cost [11],[15]     (11)      
Investment, Identifier [Axis]: Artifact Bidco, Inc. | Software 2            
Schedule of Investments [Line Items]            
Amortized cost   (14) [9],[14] (14) [11],[15]      
Investment, Identifier [Axis]: Artifact Bidco, Inc. | Software 3            
Schedule of Investments [Line Items]            
Amortized cost   10,875 [8],[9],[12] 10,784 [10],[11],[13]      
Investment, Identifier [Axis]: Ascend Learning, LLC , Diversified Consumer Services            
Schedule of Investments [Line Items]            
Amortized cost   3,957 3,966      
Investment, Identifier [Axis]: Ascensus Group Holdings, Inc. | Financial Services            
Schedule of Investments [Line Items]            
Amortized cost   16,604 16,599 [11]      
Investment, Identifier [Axis]: Ascensus Group Holdings, Inc., Financial Services            
Schedule of Investments [Line Items]            
Amortized cost   7,480 7,479      
Investment, Identifier [Axis]: Athenahealth Group, Inc., Health Care Technology            
Schedule of Investments [Line Items]            
Amortized cost   7,844 9,815      
Investment, Identifier [Axis]: Athletico Management, LLC, Health Care Providers & Services            
Schedule of Investments [Line Items]            
Amortized cost     4,812      
Investment, Identifier [Axis]: AuditBoard, Inc. | Software 1            
Schedule of Investments [Line Items]            
Amortized cost   10,809 [9] 10,802 [11]      
Investment, Identifier [Axis]: AuditBoard, Inc. | Software 2            
Schedule of Investments [Line Items]            
Amortized cost   (33) [9],[14] (34) [15]      
Investment, Identifier [Axis]: AuditBoard, Inc. | Software 3            
Schedule of Investments [Line Items]            
Amortized cost   22,703 [8],[9],[12] 22,690 [10],[11]      
Investment, Identifier [Axis]: AuditBoard, Inc. | Software 4            
Schedule of Investments [Line Items]            
Amortized cost   5,719 [8],[9],[12] 5,702 [10],[11]      
Investment, Identifier [Axis]: Avalara, Inc, Software            
Schedule of Investments [Line Items]            
Amortized cost     5,942      
Investment, Identifier [Axis]: Aventine Holdings, LLC | Entertainment            
Schedule of Investments [Line Items]            
Amortized cost   48,429 [9] 48,417 [10],[11]      
Investment, Identifier [Axis]: Aventine Holdings, LLC | Entertainment 1            
Schedule of Investments [Line Items]            
Amortized cost   9,982 [9] 9,889 [10],[11]      
Investment, Identifier [Axis]: Aventine Holdings, LLC | Entertainment 2            
Schedule of Investments [Line Items]            
Amortized cost   24,513 [9],[12] 24,975 [10],[11],[13]      
Investment, Identifier [Axis]: Axiom Global, Inc. | Professional Services            
Schedule of Investments [Line Items]            
Amortized cost   46,392 [8],[9],[12] 46,487 [10],[11],[13]      
Investment, Identifier [Axis]: Azurite Intermediate Holdings, Inc. | Software 3            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   (39)        
Investment, Identifier [Axis]: Azurite Intermediate Holdings, Inc. | Software 1            
Schedule of Investments [Line Items]            
Amortized cost   22,370 [9] 22,357 [11]      
Investment, Identifier [Axis]: Azurite Intermediate Holdings, Inc. | Software 2            
Schedule of Investments [Line Items]            
Amortized cost   9,842 [9] (40) [11],[15]      
Investment, Identifier [Axis]: Azurite Intermediate Holdings, Inc. | Software 3            
Schedule of Investments [Line Items]            
Amortized cost [11]     9,837      
Investment, Identifier [Axis]: BCPE Oceandrive Buyer, Inc. | Health Care Providers & Services            
Schedule of Investments [Line Items]            
Amortized cost   12,528 [9],[16],[17],[18] 12,528 [7],[11],[13],[19],[20]      
Investment, Identifier [Axis]: BCPE Oceandrive Buyer, Inc. | Health Care Providers & Services 1            
Schedule of Investments [Line Items]            
Amortized cost   3,106 [9],[18] (163) [11],[15],[20]      
Investment, Identifier [Axis]: BCPE Oceandrive Buyer, Inc. | Health Care Providers & Services 2            
Schedule of Investments [Line Items]            
Amortized cost   5,198 [9],[18] 4,984 [11],[20]      
Investment, Identifier [Axis]: BCPE Oceandrive Buyer, Inc. | Health Care Providers & Services 3            
Schedule of Investments [Line Items]            
Amortized cost   8,664 [9],[18] 8,307 [11],[20]      
Investment, Identifier [Axis]: Battalion CLO, Ltd. 21-17A F, Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   1,154 1,153      
Investment, Identifier [Axis]: Bayou Holdings Buyer, Inc. | Professional Services 1            
Schedule of Investments [Line Items]            
Amortized cost   (9) [9],[14] (10) [11],[15]      
Investment, Identifier [Axis]: Bayou Holdings Buyer, Inc. | Professional Services 2            
Schedule of Investments [Line Items]            
Amortized cost   (30) [9],[14] (31) [11],[15]      
Investment, Identifier [Axis]: Bayou Holdings Buyer, Inc. | Professional Services 3            
Schedule of Investments [Line Items]            
Amortized cost   21,157 [8],[9] 21,201 [10],[11]      
Investment, Identifier [Axis]: Beach Acquisition Bidco, LLC, Textiles, Apparel & luxury goods            
Schedule of Investments [Line Items]            
Amortized cost   1,444 1,447      
Investment, Identifier [Axis]: Bella Holding Co., LLC , Health Care Providers & Services            
Schedule of Investments [Line Items]            
Amortized cost   7,989        
Investment, Identifier [Axis]: Bella Holding Co., LLC, Health Care Providers & Services            
Schedule of Investments [Line Items]            
Amortized cost     8,006      
Investment, Identifier [Axis]: Belron Finance 2019, LLC, Diversified Consumer Services            
Schedule of Investments [Line Items]            
Amortized cost   5,704 5,716      
Investment, Identifier [Axis]: Big Apple Advisory, LLC | Financial Services 1            
Schedule of Investments [Line Items]            
Amortized cost   5,988 [9],[14] 5,087 [11],[15]      
Investment, Identifier [Axis]: Big Apple Advisory, LLC | Financial Services 2            
Schedule of Investments [Line Items]            
Amortized cost   (51) [9],[14] (54) [11],[15]      
Investment, Identifier [Axis]: Big Apple Advisory, LLC | Financial Services 3            
Schedule of Investments [Line Items]            
Amortized cost   46,682 [8],[9],[12] 46,779 [10],[11],[13]      
Investment, Identifier [Axis]: Bingo Group Buyer, Inc. | Commercial Services & Supplies 1            
Schedule of Investments [Line Items]            
Amortized cost   1,533 [9] (17) [11],[15]      
Investment, Identifier [Axis]: Bingo Group Buyer, Inc. | Commercial Services & Supplies 2            
Schedule of Investments [Line Items]            
Amortized cost   1,669 [9] 1,536 [11]      
Investment, Identifier [Axis]: Bingo Group Buyer, Inc. | Commercial Services & Supplies 3            
Schedule of Investments [Line Items]            
Amortized cost   (16) [9],[14] 1,672 [11]      
Investment, Identifier [Axis]: Bingo Group Buyer, Inc. | Commercial Services & Supplies 4            
Schedule of Investments [Line Items]            
Amortized cost   14 [9],[14] 14 [11],[15]      
Investment, Identifier [Axis]: Bingo Group Buyer, Inc. | Commercial Services & Supplies 5            
Schedule of Investments [Line Items]            
Amortized cost   5,341 [8],[9],[12] 5,352 [10],[11],[13]      
Investment, Identifier [Axis]: Black Mountain Sand, LLC | Energy Equipment & Services            
Schedule of Investments [Line Items]            
Amortized cost   2,170 [9],[17],[21] 2,170 [7],[11],[19],[22]      
Investment, Identifier [Axis]: Blackhawk Network Holdings, Inc., Professional Services            
Schedule of Investments [Line Items]            
Amortized cost   4,865 4,872      
Investment, Identifier [Axis]: Blackstone CQP Holdco, LP, Oil, Gas & Consumable Fuels            
Schedule of Investments [Line Items]            
Amortized cost     4,919      
Investment, Identifier [Axis]: CCI Buyer, Inc. | Wireless Telecommunication Services 1            
Schedule of Investments [Line Items]            
Amortized cost   (27) [9],[14] (28) [11],[15]      
Investment, Identifier [Axis]: CCI Buyer, Inc. | Wireless Telecommunication Services 2            
Schedule of Investments [Line Items]            
Amortized cost   51,520 [8],[9],[12] 51,622 [10],[11],[13]      
Investment, Identifier [Axis]: CD&R Hydra Buyer, Inc., Industrial Conglomerates            
Schedule of Investments [Line Items]            
Amortized cost   8,142 6,165      
Investment, Identifier [Axis]: CNT Holdings I Corp., Personal Care Products            
Schedule of Investments [Line Items]            
Amortized cost   6,017 6,033      
Investment, Identifier [Axis]: CQP Holdco, LP, Oil, Gas & Consumable Fuels            
Schedule of Investments [Line Items]            
Amortized cost   4,919        
Investment, Identifier [Axis]: CRS-SPV, Inc. | Chemicals            
Schedule of Investments [Line Items]            
Amortized cost   1,561 [9],[16],[17],[23] 1,561 [7],[11],[19],[24]      
Investment, Identifier [Axis]: Capstone Acquisition Holdings, Inc. | Air Freight & Logistics 1            
Schedule of Investments [Line Items]            
Amortized cost   206 [9] 206 [11]      
Investment, Identifier [Axis]: Capstone Acquisition Holdings, Inc. | Air Freight & Logistics 2            
Schedule of Investments [Line Items]            
Amortized cost   20,501 [8],[9] 20,555 [10],[11]      
Investment, Identifier [Axis]: Carlyle GMS CLO, 16-3A FRR, Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   2,010 2,008      
Investment, Identifier [Axis]: Carr, Riggs & Ingram Capital, LLC | Financial Services 1            
Schedule of Investments [Line Items]            
Amortized cost   1,890 [9],[14] 1,559 [11],[15]      
Investment, Identifier [Axis]: Carr, Riggs & Ingram Capital, LLC | Financial Services 2            
Schedule of Investments [Line Items]            
Amortized cost   1,777 [9],[14] (23) [11],[15]      
Investment, Identifier [Axis]: Carr, Riggs & Ingram Capital, LLC | Financial Services 3            
Schedule of Investments [Line Items]            
Amortized cost   11,497 [8],[9],[12] 11,521 [10],[11],[13]      
Investment, Identifier [Axis]: Center Phase Energy, LLC | Electric Utilities 1            
Schedule of Investments [Line Items]            
Amortized cost   10,265 [8],[9] 10,249 [10],[11]      
Investment, Identifier [Axis]: Center Phase Energy, LLC | Electric Utilities 2            
Schedule of Investments [Line Items]            
Amortized cost   14,936 [8],[9] 14,929 [10],[11]      
Investment, Identifier [Axis]: Center Phase Energy, LLC | Electric Utilities 3            
Schedule of Investments [Line Items]            
Amortized cost   1,680 [9],[17],[21] 1,680 [7],[11],[22]      
Investment, Identifier [Axis]: Center Phase Energy, LLC | Electric Utilities 4            
Schedule of Investments [Line Items]            
Amortized cost   446 [9],[17],[21] 446 [7],[11],[22]      
Investment, Identifier [Axis]: Charter Industries Holdings, LLC | Distributors 1            
Schedule of Investments [Line Items]            
Amortized cost   (16) [9],[14] (17) [11],[15]      
Investment, Identifier [Axis]: Charter Industries Holdings, LLC | Distributors 2            
Schedule of Investments [Line Items]            
Amortized cost   (49) [9],[14] (51) [11],[15]      
Investment, Identifier [Axis]: Charter Industries Holdings, LLC | Distributors 3            
Schedule of Investments [Line Items]            
Amortized cost   29,017 [8],[9] 29,798 [10],[11]      
Investment, Identifier [Axis]: Cirque Du Soleil Holding USA Newco, Inc. | Entertainment            
Schedule of Investments [Line Items]            
Amortized cost [16],[17],[25]   16,127        
Investment, Identifier [Axis]: Cirque Du Soleil Holding USA Newco, Inc. | Entertainment            
Schedule of Investments [Line Items]            
Amortized cost [7],[19],[24],[26]     16,128      
Investment, Identifier [Axis]: Cirque Du Soleil Holding USA Newco, Inc., Entertainment            
Schedule of Investments [Line Items]            
Amortized cost   7,290 7,306      
Investment, Identifier [Axis]: Citadel Securities, LP, Financial Services            
Schedule of Investments [Line Items]            
Amortized cost   4,400 4,410      
Investment, Identifier [Axis]: Clarios Global, LP, Automobile Components            
Schedule of Investments [Line Items]            
Amortized cost   9,946 9,968      
Investment, Identifier [Axis]: Cliffwater, LLC | Capital Markets 1            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   (25)        
Investment, Identifier [Axis]: Cliffwater, LLC | Capital Markets 2            
Schedule of Investments [Line Items]            
Amortized cost [8],[9],[12]   29,809        
Investment, Identifier [Axis]: Cliffwater, LLC | Financial Services 1            
Schedule of Investments [Line Items]            
Amortized cost [11],[15]     (26)      
Investment, Identifier [Axis]: Cliffwater, LLC | Financial Services 2            
Schedule of Investments [Line Items]            
Amortized cost [10],[11],[13]     29,871      
Investment, Identifier [Axis]: Clover Holding 2, LLC, Software            
Schedule of Investments [Line Items]            
Amortized cost   5,168 5,178      
Investment, Identifier [Axis]: Coalesce Merlin Purchaser, LLC | Commercial Services & Supplies 1            
Schedule of Investments [Line Items]            
Amortized cost   3,462 [9],[14] 746 [11],[15]      
Investment, Identifier [Axis]: Coalesce Merlin Purchaser, LLC | Commercial Services & Supplies 2            
Schedule of Investments [Line Items]            
Amortized cost   (28) [9],[14] (29) [11],[15]      
Investment, Identifier [Axis]: Coalesce Merlin Purchaser, LLC | Commercial Services & Supplies 3            
Schedule of Investments [Line Items]            
Amortized cost   17,263 [8],[9],[12] 17,307 [10],[11],[13]      
Investment, Identifier [Axis]: Cold Spring Brewing, Co. | Beverages            
Schedule of Investments [Line Items]            
Amortized cost   20,399 [8],[9],[12] 20,386 [10],[11],[13]      
Investment, Identifier [Axis]: Communication Technology Intermediate, LLC | Professional Services 2            
Schedule of Investments [Line Items]            
Amortized cost [8],[9]   24,560        
Investment, Identifier [Axis]: Communication Technology Intermediate, LLC | Professional Services 1            
Schedule of Investments [Line Items]            
Amortized cost   1,408 [9],[14] 1,183 [11],[15]      
Investment, Identifier [Axis]: Communication Technology Intermediate, LLC | Professional Services 2            
Schedule of Investments [Line Items]            
Amortized cost [10],[11]     24,612      
Investment, Identifier [Axis]: Communication Technology Intermediate, LLC | Professional Services 3            
Schedule of Investments [Line Items]            
Amortized cost   24,190 [8],[9] 24,223 [10],[11]      
Investment, Identifier [Axis]: Communication Technology Intermediate, LLC | Professional Services 4            
Schedule of Investments [Line Items]            
Amortized cost   2,399 [8],[9] 2,402 [10],[11]      
Investment, Identifier [Axis]: Communication Technology Intermediate, LLC | Professional Services 5            
Schedule of Investments [Line Items]            
Amortized cost   8,549 [8],[9],[12] 8,568 [10],[11],[13]      
Investment, Identifier [Axis]: Compass Power Generation, LLC, Independent Power and Renewable Electricity Producers            
Schedule of Investments [Line Items]            
Amortized cost   6,133 6,356      
Investment, Identifier [Axis]: Connectwise, LL, Software            
Schedule of Investments [Line Items]            
Amortized cost   5,614        
Investment, Identifier [Axis]: Connectwise, LLC, Software            
Schedule of Investments [Line Items]            
Amortized cost     10,618      
Investment, Identifier [Axis]: Conservice Midco, LLC, Diversified Consumer Services            
Schedule of Investments [Line Items]            
Amortized cost     5,418      
Investment, Identifier [Axis]: Consolidated Precision Products Corp. | Aerospace & Defense            
Schedule of Investments [Line Items]            
Amortized cost   20,618 [9],[21] 21,531 [11],[22]      
Investment, Identifier [Axis]: Corelogic, Inc. | Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost [8]   8,791        
Investment, Identifier [Axis]: Corelogic, Inc. | IT Services            
Schedule of Investments [Line Items]            
Amortized cost [10]     8,760      
Investment, Identifier [Axis]: Corelogic, Inc., Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   8,831        
Investment, Identifier [Axis]: Corelogic, Inc., IT Services            
Schedule of Investments [Line Items]            
Amortized cost     8,851      
Investment, Identifier [Axis]: Corfin Industries, LLC | Aerospace & Defense 1            
Schedule of Investments [Line Items]            
Amortized cost [9]   1,546        
Investment, Identifier [Axis]: Corfin Industries, LLC | Aerospace & Defense 2            
Schedule of Investments [Line Items]            
Amortized cost [9]   9,414        
Investment, Identifier [Axis]: Corfin Industries, LLC | Aerospace & Defense 3            
Schedule of Investments [Line Items]            
Amortized cost [8],[9],[12]   15,811        
Investment, Identifier [Axis]: Corfin Industries, LLC | Aerospace & Defense 4            
Schedule of Investments [Line Items]            
Amortized cost [8],[9],[12]   19,382        
Investment, Identifier [Axis]: Corfin Industries, LLC | Electrical Equipment 1            
Schedule of Investments [Line Items]            
Amortized cost [11]     1,550      
Investment, Identifier [Axis]: Corfin Industries, LLC | Electrical Equipment 2            
Schedule of Investments [Line Items]            
Amortized cost [11]     9,442      
Investment, Identifier [Axis]: Corfin Industries, LLC | Electrical Equipment 3            
Schedule of Investments [Line Items]            
Amortized cost [10],[11],[13]     15,853      
Investment, Identifier [Axis]: Corfin Industries, LLC | Electrical Equipment 4            
Schedule of Investments [Line Items]            
Amortized cost [10],[11],[13]     19,406      
Investment, Identifier [Axis]: Cornerstone Building Brands, Inc., Building Products            
Schedule of Investments [Line Items]            
Amortized cost     3,583      
Investment, Identifier [Axis]: Cornerstone Chemical, Co. | Chemicals            
Schedule of Investments [Line Items]            
Amortized cost [9],[16],[17]   11,626        
Investment, Identifier [Axis]: Cornerstone Chemical, Co. | Chemicals            
Schedule of Investments [Line Items]            
Amortized cost [7],[11],[19]     11,626      
Investment, Identifier [Axis]: Coronis Health I, LLC | Health Care Technology 1            
Schedule of Investments [Line Items]            
Amortized cost   798 [9],[14],[23] 532 [11],[15],[24]      
Investment, Identifier [Axis]: Coronis Health I, LLC | Health Care Technology 2            
Schedule of Investments [Line Items]            
Amortized cost   4,343 [9],[23] 4,225 [11],[24]      
Investment, Identifier [Axis]: Coronis Health I, LLC | Health Care Technology 3            
Schedule of Investments [Line Items]            
Amortized cost   2,785 [9],[23] 2,751 [11],[24]      
Investment, Identifier [Axis]: Coronis Health I, LLC | Health Care Technology 4            
Schedule of Investments [Line Items]            
Amortized cost   4,900 [9],[16],[17],[23] 4,900 [7],[11],[19],[24]      
Investment, Identifier [Axis]: Cotiviti, Inc., Health Care Providers & Services 1            
Schedule of Investments [Line Items]            
Amortized cost   4,673 4,682      
Investment, Identifier [Axis]: Cotiviti, Inc., Health Care Providers & Services 2            
Schedule of Investments [Line Items]            
Amortized cost   9,770 9,791      
Investment, Identifier [Axis]: Crisis Prevention Institute, Inc., Diversified Consumer Services            
Schedule of Investments [Line Items]            
Amortized cost   2,296 2,301      
Investment, Identifier [Axis]: Crown Finance US, Inc., Entertainment            
Schedule of Investments [Line Items]            
Amortized cost   4,898 4,908      
Investment, Identifier [Axis]: Demakes Borrower, LLC | Consumer Staples Distribution & Retail            
Schedule of Investments [Line Items]            
Amortized cost   17,256 [8],[9] 17,280 [10],[11]      
Investment, Identifier [Axis]: Directv Financing, LLC, Media            
Schedule of Investments [Line Items]            
Amortized cost     195      
Investment, Identifier [Axis]: EIG Management Co., LLC, Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   3,395 3,391      
Investment, Identifier [Axis]: EMRLD Borrower, LP, Machinery            
Schedule of Investments [Line Items]            
Amortized cost   1,864        
Investment, Identifier [Axis]: Eaton Vance CDO, Ltd. 15-1A FR, Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   1,848 1,839      
Investment, Identifier [Axis]: Edelman Financial Center, LLC | Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   9,489 [8] 9,485 [10]      
Investment, Identifier [Axis]: Edelman Financial Center, LLC, Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost     4,743      
Investment, Identifier [Axis]: Edelman Financial Center, LLC, Capital Markets, S+ 5.25% (8.92%)            
Schedule of Investments [Line Items]            
Amortized cost   4,745        
Investment, Identifier [Axis]: Einstein Parent, Inc. | Software 1            
Schedule of Investments [Line Items]            
Amortized cost   (37) [9],[14] (39) [11],[15]      
Investment, Identifier [Axis]: Einstein Parent, Inc. | Software 2            
Schedule of Investments [Line Items]            
Amortized cost   21,945 [8],[9],[12] 21,926 [10],[11],[13]      
Investment, Identifier [Axis]: Electric Power Engineers, LLC | Construction & Engineering 1            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   6,294        
Investment, Identifier [Axis]: Electric Power Engineers, LLC | Construction & Engineering 2            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   2,083        
Investment, Identifier [Axis]: Electric Power Engineers, LLC | Construction & Engineering 3            
Schedule of Investments [Line Items]            
Amortized cost [8],[9],[12]   27,678        
Investment, Identifier [Axis]: Electric Power Engineers, LLC | Professional Services 1            
Schedule of Investments [Line Items]            
Amortized cost [11],[15]     (57)      
Investment, Identifier [Axis]: Electric Power Engineers, LLC | Professional Services 2            
Schedule of Investments [Line Items]            
Amortized cost [11],[15]     (46)      
Investment, Identifier [Axis]: Electric Power Engineers, LLC | Professional Services 3            
Schedule of Investments [Line Items]            
Amortized cost [10],[11],[13]     27,662      
Investment, Identifier [Axis]: Electro-Methods, LP | Aerospace & Defense 1            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   (105)        
Investment, Identifier [Axis]: Electro-Methods, LP | Aerospace & Defense 2            
Schedule of Investments [Line Items]            
Amortized cost [8],[9],[12]   33,884        
Investment, Identifier [Axis]: Electro-Methods, LP | Machinery 1            
Schedule of Investments [Line Items]            
Amortized cost [11],[15]     (109)      
Investment, Identifier [Axis]: Electro-Methods, LP | Machinery 2            
Schedule of Investments [Line Items]            
Amortized cost [10],[11],[13]     33,949      
Investment, Identifier [Axis]: Eliassen Group, LLC | Professional Services 1            
Schedule of Investments [Line Items]            
Amortized cost   1,339 [8],[9] 1,342 [10],[11]      
Investment, Identifier [Axis]: Eliassen Group, LLC | Professional Services 2            
Schedule of Investments [Line Items]            
Amortized cost   16,696 [8],[9],[12] 16,728 [10],[11],[13]      
Investment, Identifier [Axis]: Emerald Borrower, LP, Machinery            
Schedule of Investments [Line Items]            
Amortized cost   2,285 2,290      
Investment, Identifier [Axis]: Ensemble RCM, LLC, Health Care Providers & Services            
Schedule of Investments [Line Items]            
Amortized cost   12,987 13,238      
Investment, Identifier [Axis]: Entain, PLC, Hotels, Restaurants & Leisure 1            
Schedule of Investments [Line Items]            
Amortized cost   4,776 4,788      
Investment, Identifier [Axis]: Entain, PLC, Hotels, Restaurants & Leisure 2            
Schedule of Investments [Line Items]            
Amortized cost   3,446 3,454      
Investment, Identifier [Axis]: Epicor Software Corp., Software            
Schedule of Investments [Line Items]            
Amortized cost   6,028 6,041      
Investment, Identifier [Axis]: FBLC Senior Loan Fund, LLC | Investment in Joint Ventures            
Schedule of Investments [Line Items]            
Amortized cost   225,161 [9],[17],[18],[27] 225,161 [7],[11],[20],[28]      
Investment, Identifier [Axis]: FGT Purchaser, LLC | Internet & Direct Marketing Retail 1            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   (5)        
Investment, Identifier [Axis]: FGT Purchaser, LLC | Internet & Direct Marketing Retail 2            
Schedule of Investments [Line Items]            
Amortized cost [8],[9]   31,228        
Investment, Identifier [Axis]: FGT Purchaser, LLC | Specialty Retail 1            
Schedule of Investments [Line Items]            
Amortized cost [11],[15]     (4)      
Investment, Identifier [Axis]: FGT Purchaser, LLC | Specialty Retail 2            
Schedule of Investments [Line Items]            
Amortized cost [10],[11]     31,064      
Investment, Identifier [Axis]: FNZ Group Entities, Ltd., Financial Services            
Schedule of Investments [Line Items]            
Amortized cost   2,916 2,920      
Investment, Identifier [Axis]: Faraday Buyer, LLC | Electrical Equipment 1            
Schedule of Investments [Line Items]            
Amortized cost [10],[11]     40,803      
Investment, Identifier [Axis]: Faraday Buyer, LLC | Electrical Equipment 2            
Schedule of Investments [Line Items]            
Amortized cost [10],[11]     8,543      
Investment, Identifier [Axis]: FinThrive Software Intermediate Holdings, Inc., Health Care Technology            
Schedule of Investments [Line Items]            
Amortized cost   2,942 2,947      
Investment, Identifier [Axis]: Fitness International, LLC, Hotels, Restaurants & Leisure            
Schedule of Investments [Line Items]            
Amortized cost   6,688 6,694      
Investment, Identifier [Axis]: FloWorks International, LLC | Machinery 1            
Schedule of Investments [Line Items]            
Amortized cost [11]     4,912      
Investment, Identifier [Axis]: FloWorks International, LLC | Machinery 2            
Schedule of Investments [Line Items]            
Amortized cost [10],[11],[13]     39,023      
Investment, Identifier [Axis]: FloWorks International, LLC | Trading Companies & Distributors 1            
Schedule of Investments [Line Items]            
Amortized cost [9]   4,914        
Investment, Identifier [Axis]: FloWorks International, LLC | Trading Companies & Distributors 2            
Schedule of Investments [Line Items]            
Amortized cost [8],[9],[12]   38,940        
Investment, Identifier [Axis]: Florida Food Products, LLC | Food Products 1            
Schedule of Investments [Line Items]            
Amortized cost   10,031 [8] 9,973 [10]      
Investment, Identifier [Axis]: Florida Food Products, LLC | Food Products 2            
Schedule of Investments [Line Items]            
Amortized cost   1,922 [8],[9] 1,917 [10],[11]      
Investment, Identifier [Axis]: Florida Food Products, LLC | Food Products 3            
Schedule of Investments [Line Items]            
Amortized cost   1,898 [8] 1,897 [10]      
Investment, Identifier [Axis]: Flow Traders Holding, LLC | Capital Markets 1            
Schedule of Investments [Line Items]            
Amortized cost   16,356 [9],[25] (91) [11],[15],[26]      
Investment, Identifier [Axis]: Flow Traders Holding, LLC | Capital Markets 2            
Schedule of Investments [Line Items]            
Amortized cost   (87) [9],[14],[25] 16,385 [11],[26]      
Investment, Identifier [Axis]: Focus Financial Partners, LLC, Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   4,420 4,430      
Investment, Identifier [Axis]: Foresight Energy Operating, LL, Oil, Gas & Consumable Fuels            
Schedule of Investments [Line Items]            
Amortized cost   636        
Investment, Identifier [Axis]: Foresight Energy Operating, LLC | Oil, Gas & Consumable Fuels 1            
Schedule of Investments [Line Items]            
Amortized cost   1,034 [9] 1,038 [11]      
Investment, Identifier [Axis]: Foresight Energy Operating, LLC | Oil, Gas & Consumable Fuels 2            
Schedule of Investments [Line Items]            
Amortized cost   3,063 [9],[16],[17],[21] 3,063 [7],[11],[19],[22]      
Investment, Identifier [Axis]: Foresight Energy Operating, LLC, Oil, Gas & Consumable Fuels            
Schedule of Investments [Line Items]            
Amortized cost     637      
Investment, Identifier [Axis]: Freeport LNG Investments, LLLP, Oil, Gas & Consumable Fuels            
Schedule of Investments [Line Items]            
Amortized cost   4,976 4,805      
Investment, Identifier [Axis]: Gainwell Acquisition Corp., Health Care Technology            
Schedule of Investments [Line Items]            
Amortized cost   2,917        
Investment, Identifier [Axis]: Galaxy US OpCo, Inc., Professional Services            
Schedule of Investments [Line Items]            
Amortized cost     2,094      
Investment, Identifier [Axis]: Galway Borrower, LLC | Insurance 1            
Schedule of Investments [Line Items]            
Amortized cost   1,121 [9] 903 [11],[15]      
Investment, Identifier [Axis]: Galway Borrower, LLC | Insurance 2            
Schedule of Investments [Line Items]            
Amortized cost   1,255 [9],[14] 573 [11],[15]      
Investment, Identifier [Axis]: Galway Borrower, LLC | Insurance 3            
Schedule of Investments [Line Items]            
Amortized cost   (8) [9],[14] 38,019 [10],[11]      
Investment, Identifier [Axis]: Galway Borrower, LLC | Insurance 4            
Schedule of Investments [Line Items]            
Amortized cost [8],[9]   37,936        
Investment, Identifier [Axis]: Geon Performance Solutions, LLC, Chemicals            
Schedule of Investments [Line Items]            
Amortized cost   4,497 4,506      
Investment, Identifier [Axis]: Geosyntec Consultants, Inc., Professional Services            
Schedule of Investments [Line Items]            
Amortized cost   9,124 9,144      
Investment, Identifier [Axis]: Global Medical Response, Inc., Health Care Providers & Services            
Schedule of Investments [Line Items]            
Amortized cost   9,820 9,839      
Investment, Identifier [Axis]: GoHealth, Inc. | Insurance            
Schedule of Investments [Line Items]            
Amortized cost   0 [16],[21] 0 [19],[22]      
Investment, Identifier [Axis]: Golden State Foods, LLC, Food Products            
Schedule of Investments [Line Items]            
Amortized cost   6,381 6,379      
Investment, Identifier [Axis]: Gordian Medical, Inc. | Health Care Providers & Services 1            
Schedule of Investments [Line Items]            
Amortized cost   0 [8],[9],[16],[17] 0 [7],[11],[19]      
Investment, Identifier [Axis]: Gordian Medical, Inc. | Health Care Providers & Services 2            
Schedule of Investments [Line Items]            
Amortized cost   2,997 [8],[9],[16],[17] 2,997 [7],[10],[11]      
Investment, Identifier [Axis]: Gordian Medical, Inc., Health Care Providers & Services 1            
Schedule of Investments [Line Items]            
Amortized cost   7,448 7,448      
Investment, Identifier [Axis]: Gordian Medical, Inc., Health Care Providers & Services 2            
Schedule of Investments [Line Items]            
Amortized cost   0 0      
Investment, Identifier [Axis]: Greywolf CLO, Ltd. 20-3RA ER, Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   904 902      
Investment, Identifier [Axis]: Groome Purchaser, LLC | Commercial Services & Supplies 1            
Schedule of Investments [Line Items]            
Amortized cost   (16) [9],[14] (17) [11],[15]      
Investment, Identifier [Axis]: Groome Purchaser, LLC | Commercial Services & Supplies 2            
Schedule of Investments [Line Items]            
Amortized cost   (24) [9],[14] (25) [11],[15]      
Investment, Identifier [Axis]: Groome Purchaser, LLC | Commercial Services & Supplies 3            
Schedule of Investments [Line Items]            
Amortized cost   (24) [9],[14] (25) [11],[15]      
Investment, Identifier [Axis]: Groome Purchaser, LLC | Commercial Services & Supplies 4            
Schedule of Investments [Line Items]            
Amortized cost   16,328 [8],[9] 16,363 [10],[11]      
Investment, Identifier [Axis]: Gulfside Supply, Inc., Building Products            
Schedule of Investments [Line Items]            
Amortized cost   4,407 4,444      
Investment, Identifier [Axis]: Hamilton Projects Acquiror, LLC, Independent Power and Renewable Electricity Producers            
Schedule of Investments [Line Items]            
Amortized cost   6,428 6,568      
Investment, Identifier [Axis]: HelpSystems Holdings, Inc., Software            
Schedule of Investments [Line Items]            
Amortized cost   6,217 4,333      
Investment, Identifier [Axis]: Higginbotham Insurance Agency, Inc. | Insurance            
Schedule of Investments [Line Items]            
Amortized cost   10,046 [9],[17] 10,046 [7],[11]      
Investment, Identifier [Axis]: High Street Buyer, Inc. | Insurance            
Schedule of Investments [Line Items]            
Amortized cost   5,105 [9],[14] 3,356 [11],[15]      
Investment, Identifier [Axis]: Highbridge Loan Management, Ltd. 11A-17 E, Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   2,822 2,812      
Investment, Identifier [Axis]: Hologic, Inc. | Health Care Equipment & Supplies            
Schedule of Investments [Line Items]            
Amortized cost   7,004        
Investment, Identifier [Axis]: Hologic, Inc., Health Care Equipment & Supplies            
Schedule of Investments [Line Items]            
Amortized cost   9,975        
Investment, Identifier [Axis]: Hometown Food, Co. | Food Products            
Schedule of Investments [Line Items]            
Amortized cost   14,876 [8],[9],[12] 14,964 [10],[11],[13]      
Investment, Identifier [Axis]: Hospice Care Buyer, Inc. | Health Care Providers & Services 1            
Schedule of Investments [Line Items]            
Amortized cost   4,577 [9] 4,584 [11]      
Investment, Identifier [Axis]: Hospice Care Buyer, Inc. | Health Care Providers & Services 2            
Schedule of Investments [Line Items]            
Amortized cost   2,114 [9] 2,081 [11],[15]      
Investment, Identifier [Axis]: Hospice Care Buyer, Inc. | Health Care Providers & Services 3            
Schedule of Investments [Line Items]            
Amortized cost   2,674 [9],[14] 2,116 [11]      
Investment, Identifier [Axis]: Hospice Care Buyer, Inc. | Health Care Providers & Services 4            
Schedule of Investments [Line Items]            
Amortized cost   24,612 [8],[9] 24,645 [10],[11]      
Investment, Identifier [Axis]: Hospice Care Buyer, Inc. | Health Care Providers & Services 5            
Schedule of Investments [Line Items]            
Amortized cost   6,385 [8],[9] 6,394 [10],[11]      
Investment, Identifier [Axis]: Hospice Care Buyer, Inc. | Health Care Providers & Services 6            
Schedule of Investments [Line Items]            
Amortized cost   8,325 [8],[9] 8,336 [10],[11]      
Investment, Identifier [Axis]: Hospice Care Buyer, Inc. | Health Care Providers & Services 7            
Schedule of Investments [Line Items]            
Amortized cost   3,496 [8],[9] 3,501 [10],[11]      
Investment, Identifier [Axis]: Hudson River Trading, LLC, Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   5,190 5,201      
Investment, Identifier [Axis]: Hunter Communications & Technologies, LLC | Diversified Telecommunication Services            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   422        
Investment, Identifier [Axis]: Hunter Communications | Diversified Telecommunication Services 1            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   (6)        
Investment, Identifier [Axis]: Hunter Communications | Diversified Telecommunication Services 2            
Schedule of Investments [Line Items]            
Amortized cost [8],[9]   5,754        
Investment, Identifier [Axis]: Hunter Douglas, Inc., Household Durables            
Schedule of Investments [Line Items]            
Amortized cost   4,461 4,471      
Investment, Identifier [Axis]: ICAT Intermediate Holdings, LLC | Air Freight & Logistics 1            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   4,076        
Investment, Identifier [Axis]: ICAT Intermediate Holdings, LLC | Air Freight & Logistics 2            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   (17)        
Investment, Identifier [Axis]: ICAT Intermediate Holdings, LLC | Air Freight & Logistics 3            
Schedule of Investments [Line Items]            
Amortized cost [8],[9]   17,042        
Investment, Identifier [Axis]: ICAT Intermediate Holdings, LLC | Ground Transportation 1            
Schedule of Investments [Line Items]            
Amortized cost [11],[15]     2,092      
Investment, Identifier [Axis]: ICAT Intermediate Holdings, LLC | Ground Transportation 2            
Schedule of Investments [Line Items]            
Amortized cost [11],[15]     (19)      
Investment, Identifier [Axis]: ICAT Intermediate Holdings, LLC | Ground Transportation 3            
Schedule of Investments [Line Items]            
Amortized cost [10],[11]     17,050      
Investment, Identifier [Axis]: ICR Operations, LLC | Professional Services 1            
Schedule of Investments [Line Items]            
Amortized cost [11],[15]     3,753      
Investment, Identifier [Axis]: ICR Operations, LLC | Professional Services 2            
Schedule of Investments [Line Items]            
Amortized cost [10],[11]     40,423      
Investment, Identifier [Axis]: ICR Operations, LLC | Professional Services 3            
Schedule of Investments [Line Items]            
Amortized cost [10],[11]     2,197      
Investment, Identifier [Axis]: IDERA, Inc., Software            
Schedule of Investments [Line Items]            
Amortized cost   4,940        
Investment, Identifier [Axis]: IDERA, Inc., Software 1            
Schedule of Investments [Line Items]            
Amortized cost     4,952      
Investment, Identifier [Axis]: IDERA, Inc., Software 2            
Schedule of Investments [Line Items]            
Amortized cost     1,031      
Investment, Identifier [Axis]: IDERA, Inc., Software, S+ 6.75% (10.56%)            
Schedule of Investments [Line Items]            
Amortized cost   1,031        
Investment, Identifier [Axis]: IG Investments Holdings, LLC | Professional Services 1            
Schedule of Investments [Line Items]            
Amortized cost   (17) [9],[14] (19) [11],[15]      
Investment, Identifier [Axis]: IG Investments Holdings, LLC | Professional Services 2            
Schedule of Investments [Line Items]            
Amortized cost   25,935 [8],[9] 26,001 [10],[11]      
Investment, Identifier [Axis]: ION Platform Finance US, Inc., Software            
Schedule of Investments [Line Items]            
Amortized cost   4,574 4,022      
Investment, Identifier [Axis]: IQN Holding Corp. | Software 1            
Schedule of Investments [Line Items]            
Amortized cost   5,835 [9] 5,790 [11]      
Investment, Identifier [Axis]: IQN Holding Corp. | Software 2            
Schedule of Investments [Line Items]            
Amortized cost   885 [9],[14] 986 [11],[15]      
Investment, Identifier [Axis]: IQN Holding Corp. | Software 3            
Schedule of Investments [Line Items]            
Amortized cost   17,348 [8],[9],[12] 17,248 [10],[11],[13]      
Investment, Identifier [Axis]: Icon Parent I, Inc., Software            
Schedule of Investments [Line Items]            
Amortized cost   4,945 4,956      
Investment, Identifier [Axis]: Ideal Tridon Holdings, Inc. | Machinery 1            
Schedule of Investments [Line Items]            
Amortized cost   (35) [9],[14] (36) [11],[15]      
Investment, Identifier [Axis]: Ideal Tridon Holdings, Inc. | Machinery 2            
Schedule of Investments [Line Items]            
Amortized cost   807 [9],[14] 804 [11],[15]      
Investment, Identifier [Axis]: Ideal Tridon Holdings, Inc. | Machinery 3            
Schedule of Investments [Line Items]            
Amortized cost   41,780 [8],[9],[12] 41,861 [10],[11],[13]      
Investment, Identifier [Axis]: Indicor, LLC, Industrial Conglomerates            
Schedule of Investments [Line Items]            
Amortized cost   4,881        
Investment, Identifier [Axis]: Indigo Buyer, Inc. | Containers & Packaging 1            
Schedule of Investments [Line Items]            
Amortized cost   9,675 [9],[14] 3,925 [11],[15]      
Investment, Identifier [Axis]: Indigo Buyer, Inc. | Containers & Packaging 2            
Schedule of Investments [Line Items]            
Amortized cost   (20) [9],[14] (23) [11],[15]      
Investment, Identifier [Axis]: Indigo Buyer, Inc. | Containers & Packaging 3            
Schedule of Investments [Line Items]            
Amortized cost   60,725 [8],[9] 60,879 [10],[11]      
Investment, Identifier [Axis]: InhabitIQ, Inc. | Software 1            
Schedule of Investments [Line Items]            
Amortized cost   (15) [9],[14] (16) [11],[15]      
Investment, Identifier [Axis]: InhabitIQ, Inc. | Software 2            
Schedule of Investments [Line Items]            
Amortized cost   (19) [9],[14] (20) [11],[15]      
Investment, Identifier [Axis]: InhabitIQ, Inc. | Software 3            
Schedule of Investments [Line Items]            
Amortized cost   25,841 [8],[9],[12] 25,898 [10],[11],[13]      
Investment, Identifier [Axis]: Integrated Efficiency Solutions, Inc. Electrical Equipment            
Schedule of Investments [Line Items]            
Amortized cost [9],[16],[17],[21],[23]   0        
Investment, Identifier [Axis]: Integrated Efficiency Solutions, Inc. | Electrical Equipment 1            
Schedule of Investments [Line Items]            
Amortized cost [11],[24]     1,379      
Investment, Identifier [Axis]: Integrated Efficiency Solutions, Inc. | Electrical Equipment 2            
Schedule of Investments [Line Items]            
Amortized cost [11],[24],[29]     1,075      
Investment, Identifier [Axis]: Integrated Efficiency Solutions, Inc. | Electrical Equipment 3            
Schedule of Investments [Line Items]            
Amortized cost [7],[11],[19],[22]     0      
Investment, Identifier [Axis]: Integrated Efficiency Solutions, Inc. | Electrical Equipment 4            
Schedule of Investments [Line Items]            
Amortized cost [7],[11],[19],[22]     0      
Investment, Identifier [Axis]: Integrated Global Services, Inc. | Commercial Services & Supplies 1            
Schedule of Investments [Line Items]            
Amortized cost [11],[15]     (36)      
Investment, Identifier [Axis]: Integrated Global Services, Inc. | Commercial Services & Supplies 2            
Schedule of Investments [Line Items]            
Amortized cost [11],[15]     1,561      
Investment, Identifier [Axis]: Integrated Global Services, Inc. | Commercial Services & Supplies 3            
Schedule of Investments [Line Items]            
Amortized cost [10],[11],[13]     32,131      
Investment, Identifier [Axis]: Integrated Global Services, Inc. | Construction & Engineering 1            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   (35)        
Investment, Identifier [Axis]: Integrated Global Services, Inc. | Construction & Engineering 2            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   4,095        
Investment, Identifier [Axis]: Integrated Global Services, Inc. | Construction & Engineering 3            
Schedule of Investments [Line Items]            
Amortized cost [8],[9],[12]   32,071        
Investment, Identifier [Axis]: International Cruise & Excursion Gallery, Inc. | Hotels, Restaurants & Leisure 1            
Schedule of Investments [Line Items]            
Amortized cost [9],[12]   1,358        
Investment, Identifier [Axis]: International Cruise & Excursion Gallery, Inc. | Hotels, Restaurants & Leisure 2            
Schedule of Investments [Line Items]            
Amortized cost   0 [9],[12],[16],[17] 0 [7],[11],[13],[19],[22]      
Investment, Identifier [Axis]: International Cruise & Excursion Gallery, Inc. | Hotels, Restaurants & Leisure A            
Schedule of Investments [Line Items]            
Amortized cost [11],[13]     1,358      
Investment, Identifier [Axis]: Invenergy Thermal Operating I, LLC, Independent Power and Renewable Electricity Producers            
Schedule of Investments [Line Items]            
Amortized cost     3,559      
Investment, Identifier [Axis]: Invenergy Thermal Operating I, LLC, Independent Power and Renewable Electricity Producers 1            
Schedule of Investments [Line Items]            
Amortized cost   3,454        
Investment, Identifier [Axis]: Invenergy Thermal Operating I, LLC, Independent Power and Renewable Electricity Producers 2            
Schedule of Investments [Line Items]            
Amortized cost   224 224      
Investment, Identifier [Axis]: Jane Street Group, LLC, Financial Services            
Schedule of Investments [Line Items]            
Amortized cost   8,054 8,075      
Investment, Identifier [Axis]: Jump Financial, LLC, Financial Services            
Schedule of Investments [Line Items]            
Amortized cost   7,154 7,169      
Investment, Identifier [Axis]: KKR Financial CLO, Ltd. 15 FR, Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   1,926 1,923      
Investment, Identifier [Axis]: Kahala Aviation, LLC | Asset Based Financing            
Schedule of Investments [Line Items]            
Amortized cost [11],[20]     33,874      
Investment, Identifier [Axis]: Kahala Aviation, LLC | Asset Based Financing            
Schedule of Investments [Line Items]            
Amortized cost [7],[11],[19],[20]     10,359      
Investment, Identifier [Axis]: Kahala Aviation, LLC | Asset Based Financing 1            
Schedule of Investments [Line Items]            
Amortized cost [9],[18]   47,370        
Investment, Identifier [Axis]: Kahala Aviation, LLC | Asset Based Financing 2            
Schedule of Investments [Line Items]            
Amortized cost [9],[16],[17],[18]   12,381        
Investment, Identifier [Axis]: Kaman Corp., Aerospace & Defense 1            
Schedule of Investments [Line Items]            
Amortized cost   (1) 55      
Investment, Identifier [Axis]: Kaman Corp., Aerospace & Defense 2            
Schedule of Investments [Line Items]            
Amortized cost   6,294 6,193      
Investment, Identifier [Axis]: Kaseya, Inc., Software            
Schedule of Investments [Line Items]            
Amortized cost   3,745 3,754      
Investment, Identifier [Axis]: Kingpin Intermediate Holdings, LLC, Hotels, Restaurants & Leisure 1            
Schedule of Investments [Line Items]            
Amortized cost   4,899 4,896      
Investment, Identifier [Axis]: Kingpin Intermediate Holdings, LLC, Hotels, Restaurants & Leisure 2            
Schedule of Investments [Line Items]            
Amortized cost   7,429 7,445      
Investment, Identifier [Axis]: Knowledge Pro Buyer, Inc. | Professional Services 1            
Schedule of Investments [Line Items]            
Amortized cost   22,773 [9],[14] 21,495 [11],[15]      
Investment, Identifier [Axis]: Knowledge Pro Buyer, Inc. | Professional Services 2            
Schedule of Investments [Line Items]            
Amortized cost   2,953 [9],[14] (20) [11],[15]      
Investment, Identifier [Axis]: Knowledge Pro Buyer, Inc. | Professional Services 3            
Schedule of Investments [Line Items]            
Amortized cost   41,838 [8],[9],[12] 42,029 [10],[11],[13]      
Investment, Identifier [Axis]: Kodiak Building Partners, LLC, Building Products            
Schedule of Investments [Line Items]            
Amortized cost   3,842 3,836      
Investment, Identifier [Axis]: LABL, Inc., Containers & Packaging            
Schedule of Investments [Line Items]            
Amortized cost   4,871 4,871      
Investment, Identifier [Axis]: LBM Acquisition, LLC, Building Products            
Schedule of Investments [Line Items]            
Amortized cost   1,920        
Investment, Identifier [Axis]: LCM, Ltd. Partnership 16A ER2, Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   2,355 2,350      
Investment, Identifier [Axis]: LSF12 Donnelly Bidco, LLC | Machinery            
Schedule of Investments [Line Items]            
Amortized cost   18,400 [8],[9] 18,427 [10],[11]      
Investment, Identifier [Axis]: Labrie Environmental Group, LLC | Machinery            
Schedule of Investments [Line Items]            
Amortized cost [11],[26]     21,427      
Investment, Identifier [Axis]: Lakeland Tours, LLC | Diversified Consumer Services            
Schedule of Investments [Line Items]            
Amortized cost [9],[12],[30]   1,967        
Investment, Identifier [Axis]: Lakeland Tours, LLC | Diversified Consumer Services 1            
Schedule of Investments [Line Items]            
Amortized cost [10],[11],[13],[29]     84      
Investment, Identifier [Axis]: Lakeland Tours, LLC | Diversified Consumer Services 2            
Schedule of Investments [Line Items]            
Amortized cost   0 [9],[12],[16],[17] 4,518 [11],[13],[29]      
Investment, Identifier [Axis]: LaserShip, Inc. | Air Freight & Logistics            
Schedule of Investments [Line Items]            
Amortized cost   2,939        
Investment, Identifier [Axis]: LaserShip, Inc. | Ground Transportation            
Schedule of Investments [Line Items]            
Amortized cost     2,888      
Investment, Identifier [Axis]: Last Dance Intermediate II, LLC | Diversified Telecommunication Services 1            
Schedule of Investments [Line Items]            
Amortized cost   (39) [9],[14] 4,048 [11],[15]      
Investment, Identifier [Axis]: Last Dance Intermediate II, LLC | Diversified Telecommunication Services 2            
Schedule of Investments [Line Items]            
Amortized cost   15,077 [9],[14] (44) [11],[15]      
Investment, Identifier [Axis]: Last Dance Intermediate II, LLC | Diversified Telecommunication Services 3            
Schedule of Investments [Line Items]            
Amortized cost   (42) [9],[14] 18,873 [10],[11],[13]      
Investment, Identifier [Axis]: Last Dance Intermediate II, LLC | Diversified Telecommunication Services 4            
Schedule of Investments [Line Items]            
Amortized cost   18,882 [8],[9],[12] 19,044 [10],[11],[13]      
Investment, Identifier [Axis]: Last Dance Intermediate II, LLC | Diversified Telecommunication Services 5            
Schedule of Investments [Line Items]            
Amortized cost [8],[9],[12]   19,056        
Investment, Identifier [Axis]: Lighthouse Intelligence, Ltd. | Software 1            
Schedule of Investments [Line Items]            
Amortized cost   22,469 [9],[25] (78) [11],[15],[26]      
Investment, Identifier [Axis]: Lighthouse Intelligence, Ltd. | Software 2            
Schedule of Investments [Line Items]            
Amortized cost   (73) [9],[14],[25] (110) [11],[15],[26]      
Investment, Identifier [Axis]: Lighthouse Intelligence, Ltd. | Software 3            
Schedule of Investments [Line Items]            
Amortized cost   (104) [9],[14],[25] 22,361 [11],[26]      
Investment, Identifier [Axis]: MGTF Holdco, LLC | Media            
Schedule of Investments [Line Items]            
Amortized cost [7],[11],[19],[20],[22]     0      
Investment, Identifier [Axis]: MGTF Radio Company, LLC | Media            
Schedule of Investments [Line Items]            
Amortized cost [11],[20],[29]     45,020      
Investment, Identifier [Axis]: MH Sub I, LLC, IT Services            
Schedule of Investments [Line Items]            
Amortized cost   5,226 5,225      
Investment, Identifier [Axis]: MRI Software, LLC | Software 1            
Schedule of Investments [Line Items]            
Amortized cost   2,175 [9] 51 [11],[15]      
Investment, Identifier [Axis]: MRI Software, LLC | Software 2            
Schedule of Investments [Line Items]            
Amortized cost   6,692 [9] 11 [11],[15]      
Investment, Identifier [Axis]: MRI Software, LLC | Software 3            
Schedule of Investments [Line Items]            
Amortized cost   165 [9],[14] 2,180 [11]      
Investment, Identifier [Axis]: MRI Software, LLC | Software 4            
Schedule of Investments [Line Items]            
Amortized cost   14 [9],[14] 6,704 [11]      
Investment, Identifier [Axis]: MWH Intermediate II, LLC | Capital Markets 1            
Schedule of Investments [Line Items]            
Amortized cost [9]   8,965        
Investment, Identifier [Axis]: MWH Intermediate II, LLC | Capital Markets 2            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   929        
Investment, Identifier [Axis]: MWH Intermediate II, LLC | Capital Markets 3            
Schedule of Investments [Line Items]            
Amortized cost [8],[9]   15,246        
Investment, Identifier [Axis]: MWH Intermediate II, LLC | Financial Services 1            
Schedule of Investments [Line Items]            
Amortized cost [11],[15]     1,966      
Investment, Identifier [Axis]: MWH Intermediate II, LLC | Financial Services 2            
Schedule of Investments [Line Items]            
Amortized cost [11],[15]     (13)      
Investment, Identifier [Axis]: MWH Intermediate II, LLC | Financial Services 3            
Schedule of Investments [Line Items]            
Amortized cost [10],[11]     15,279      
Investment, Identifier [Axis]: Mandrake Bidco, Inc. | Machinery 1            
Schedule of Investments [Line Items]            
Amortized cost   (74) [9],[14] (81) [11],[15]      
Investment, Identifier [Axis]: Mandrake Bidco, Inc. | Machinery 2            
Schedule of Investments [Line Items]            
Amortized cost   55,114 [8],[9],[12] 55,084 [10],[11],[13]      
Investment, Identifier [Axis]: Manna Pro Products, LLC | Food Products 1            
Schedule of Investments [Line Items]            
Amortized cost [9]   3,962        
Investment, Identifier [Axis]: Manna Pro Products, LLC | Food Products 2            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   (47)        
Investment, Identifier [Axis]: Manna Pro Products, LLC | Food Products 3            
Schedule of Investments [Line Items]            
Amortized cost [9],[12]   1,888        
Investment, Identifier [Axis]: Manna Pro Products, LLC | Food Products 4            
Schedule of Investments [Line Items]            
Amortized cost [9],[12]   6,792        
Investment, Identifier [Axis]: Manna Pro Products, LLC | Food Products 5            
Schedule of Investments [Line Items]            
Amortized cost [9],[12]   23,951        
Investment, Identifier [Axis]: Manna Pro Products, LLC | Specialty Retail 1            
Schedule of Investments [Line Items]            
Amortized cost [11]     3,920      
Investment, Identifier [Axis]: Manna Pro Products, LLC | Specialty Retail 2            
Schedule of Investments [Line Items]            
Amortized cost [11],[15]     (22)      
Investment, Identifier [Axis]: Manna Pro Products, LLC | Specialty Retail 3            
Schedule of Investments [Line Items]            
Amortized cost [11]     1,869      
Investment, Identifier [Axis]: Manna Pro Products, LLC | Specialty Retail 4            
Schedule of Investments [Line Items]            
Amortized cost [11]     6,721      
Investment, Identifier [Axis]: Manna Pro Products, LLC | Specialty Retail 5            
Schedule of Investments [Line Items]            
Amortized cost [11]     23,702      
Investment, Identifier [Axis]: Max US Bidco, Inc., Food Products            
Schedule of Investments [Line Items]            
Amortized cost   4,727 4,730      
Investment, Identifier [Axis]: McDonald Worley, P.C. | Professional Services 1            
Schedule of Investments [Line Items]            
Amortized cost   14,088 [9],[14],[30] 14,018 [11],[15],[29]      
Investment, Identifier [Axis]: McDonald Worley, P.C. | Professional Services 2            
Schedule of Investments [Line Items]            
Amortized cost   3,118 [9],[16],[17] 3,118 [7],[11],[19]      
Investment, Identifier [Axis]: Medical Management Resource Group, LLC | Health Care Providers & Services 1            
Schedule of Investments [Line Items]            
Amortized cost   (2) [9],[14] 768 [11],[15]      
Investment, Identifier [Axis]: Medical Management Resource Group, LLC | Health Care Providers & Services 2            
Schedule of Investments [Line Items]            
Amortized cost   9,235 [8],[9] 9,248 [10],[11]      
Investment, Identifier [Axis]: Medical Management Resource Group, LLC | Health Care Providers & Services 3            
Schedule of Investments [Line Items]            
Amortized cost   22,356 [8],[9] 22,388 [10],[11]      
Investment, Identifier [Axis]: Megavolt Borrower, LLC | Construction & Engineering            
Schedule of Investments [Line Items]            
Amortized cost   36,263 [8],[9],[12] 36,325 [10],[11],[13]      
Investment, Identifier [Axis]: Merlin Buyer, Inc., Machinery            
Schedule of Investments [Line Items]            
Amortized cost     1,106      
Investment, Identifier [Axis]: Merlin Buyer, Inc., Machinery 1            
Schedule of Investments [Line Items]            
Amortized cost   2,488        
Investment, Identifier [Axis]: Merlin Buyer, Inc., Machinery 2            
Schedule of Investments [Line Items]            
Amortized cost   1,103        
Investment, Identifier [Axis]: Mermaid Bidco Inc, IT Services            
Schedule of Investments [Line Items]            
Amortized cost     7,444      
Investment, Identifier [Axis]: Mermaid Bidco, Inc. , IT Services            
Schedule of Investments [Line Items]            
Amortized cost   7,427        
Investment, Identifier [Axis]: Michael Baker International, LLC | Construction & Engineering            
Schedule of Investments [Line Items]            
Amortized cost [9]   17,152        
Investment, Identifier [Axis]: Michael Baker International, LLC | Professional Services            
Schedule of Investments [Line Items]            
Amortized cost [11]     18,224      
Investment, Identifier [Axis]: Midwest Can Company, LLC | Containers & Packaging            
Schedule of Investments [Line Items]            
Amortized cost   27,902 [8],[9],[12] 27,902 [10],[11],[13]      
Investment, Identifier [Axis]: Mirra-Primeaccess Holdings, LLC | Health Care Providers & Services 1            
Schedule of Investments [Line Items]            
Amortized cost   67,872 [9] 8,437 [11],[15]      
Investment, Identifier [Axis]: Mirra-Primeaccess Holdings, LLC | Health Care Providers & Services 2            
Schedule of Investments [Line Items]            
Amortized cost   8,440 [9],[14] 68,020 [11]      
Investment, Identifier [Axis]: Monogram Food Solutions, LLC, Food Products            
Schedule of Investments [Line Items]            
Amortized cost   2,027 2,027      
Investment, Identifier [Axis]: Motor Vehicle Software Corp. | Software            
Schedule of Investments [Line Items]            
Amortized cost   355 [9],[16],[17],[31] 349 [7],[11],[19],[32]      
Investment, Identifier [Axis]: Multi-Color Corp., Containers & Packaging            
Schedule of Investments [Line Items]            
Amortized cost   261        
Investment, Identifier [Axis]: Muth Mirror Systems, LLC | Automobile Components 4            
Schedule of Investments [Line Items]            
Amortized cost [7],[11],[19],[22]     0      
Investment, Identifier [Axis]: Muth Mirror Systems, LLC | Automobile Components 1            
Schedule of Investments [Line Items]            
Amortized cost   868 [9],[14],[30] 998 [11],[15],[29]      
Investment, Identifier [Axis]: Muth Mirror Systems, LLC | Automobile Components 2            
Schedule of Investments [Line Items]            
Amortized cost   14,188 [9],[30] 14,188 [11],[29]      
Investment, Identifier [Axis]: Muth Mirror Systems, LLC | Automobile Components 3            
Schedule of Investments [Line Items]            
Amortized cost   0 [9],[16],[17],[21] 0 [7],[11],[19],[22]      
Investment, Identifier [Axis]: Muth Mirror Systems, LLC | Automobile Components 4            
Schedule of Investments [Line Items]            
Amortized cost [9],[16],[17],[21]   0        
Investment, Identifier [Axis]: Neptune Bidco US, Inc., Interactive Media & Services            
Schedule of Investments [Line Items]            
Amortized cost     568      
Investment, Identifier [Axis]: NewStar Arlington Senior Loan Program, LLC 14-1A FR | Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   4,268 [9],[17],[23],[25] 4,253 [7],[11],[24],[26]      
Investment, Identifier [Axis]: NewStar Arlington Senior Loan Program, LLC 14-1A SUB | Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   3,163 [9],[17],[23],[25],[33] 3,163 [7],[11],[24],[26],[34]      
Investment, Identifier [Axis]: Newstar Fairfield Fund CLO, Ltd. 2015-1RA SUB | Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   (12) [9],[17],[23],[25],[33] 0 [7],[11],[24],[26],[34]      
Investment, Identifier [Axis]: Nexus Buyer, LLC , Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   4,933        
Investment, Identifier [Axis]: Nexus Buyer, LLC, Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost     4,944      
Investment, Identifier [Axis]: Norvax, LLC | Insurance 1            
Schedule of Investments [Line Items]            
Amortized cost   228 [9] 371 [11]      
Investment, Identifier [Axis]: Norvax, LLC | Insurance 2            
Schedule of Investments [Line Items]            
Amortized cost   378 [9] 228 [11]      
Investment, Identifier [Axis]: Nouryon Finance B.V., Chemicals            
Schedule of Investments [Line Items]            
Amortized cost   2,188 2,192      
Investment, Identifier [Axis]: ORG GC Holdings, LLC | Professional Services 2            
Schedule of Investments [Line Items]            
Amortized cost [7],[11],[19],[22],[24]     0      
Investment, Identifier [Axis]: ORG GC Holdings, LLC | Professional Services 1            
Schedule of Investments [Line Items]            
Amortized cost   10,120 [9],[23] 10,122 [11],[24]      
Investment, Identifier [Axis]: ORG GC Holdings, LLC | Professional Services 2            
Schedule of Investments [Line Items]            
Amortized cost   6,226 [9],[23],[30] 6,226 [11],[24],[29]      
Investment, Identifier [Axis]: ORG GC Holdings, LLC | Professional Services 3            
Schedule of Investments [Line Items]            
Amortized cost   0 [9],[16],[17],[21],[23] 0 [7],[11],[19],[22],[24]      
Investment, Identifier [Axis]: ORG GC Holdings, LLC | Professional Services 4            
Schedule of Investments [Line Items]            
Amortized cost [9],[16],[17],[21],[23]   0        
Investment, Identifier [Axis]: OSV Thunderbold Topco, Inc. | Professional Services 1            
Schedule of Investments [Line Items]            
Amortized cost [9]   4,548        
Investment, Identifier [Axis]: OSV Thunderbold Topco, Inc. | Professional Services 2            
Schedule of Investments [Line Items]            
Amortized cost [9],[16],[17]   0        
Investment, Identifier [Axis]: Odessa Technologies, Inc. | Software 1            
Schedule of Investments [Line Items]            
Amortized cost   (9) [9],[14] (10) [11],[15]      
Investment, Identifier [Axis]: Odessa Technologies, Inc. | Software 2            
Schedule of Investments [Line Items]            
Amortized cost   20,150 [8],[9] 20,195 [10],[11]      
Investment, Identifier [Axis]: Omnia Partners, LLC , Commercial Services & Supplies            
Schedule of Investments [Line Items]            
Amortized cost     6,121      
Investment, Identifier [Axis]: Omnia Partners, LLC, Commercial Services & Supplies            
Schedule of Investments [Line Items]            
Amortized cost   6,108        
Investment, Identifier [Axis]: One Source Virtual, Inc. | Professional Services 1            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   (13)        
Investment, Identifier [Axis]: OneSource Virtual, Inc. | Professional Services 2            
Schedule of Investments [Line Items]            
Amortized cost [9]   18,878        
Investment, Identifier [Axis]: PG&E Corp., Electric Utilities            
Schedule of Investments [Line Items]            
Amortized cost   10,683 10,683      
Investment, Identifier [Axis]: PODS, LLC, Air Freight & Logistics            
Schedule of Investments [Line Items]            
Amortized cost   7,147 7,133      
Investment, Identifier [Axis]: Palmdale Oil Co., LLC | Oil, Gas & Consumable Fuels            
Schedule of Investments [Line Items]            
Amortized cost   4,333 [9] 3,335 [11]      
Investment, Identifier [Axis]: Peer Holding III B.V., Broadline Retail            
Schedule of Investments [Line Items]            
Amortized cost   5,925 5,940      
Investment, Identifier [Axis]: PennantPark Credit Opportunities Fund II, LP | Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   962 [16],[17],[23],[25] 962 [7],[19],[24],[26]      
Investment, Identifier [Axis]: Peraton Corp., Communications Equipment            
Schedule of Investments [Line Items]            
Amortized cost     7,882      
Investment, Identifier [Axis]: Peraton Corp., Communications Equipment, S+ 7.75% (11.52%)            
Schedule of Investments [Line Items]            
Amortized cost   7,992        
Investment, Identifier [Axis]: PetSmart, LLC, Specialty Retail            
Schedule of Investments [Line Items]            
Amortized cost   2,455 2,455      
Investment, Identifier [Axis]: PetVet Care Centers, LLC | Health Care Providers & Services 1            
Schedule of Investments [Line Items]            
Amortized cost   794 390 [11],[15]      
Investment, Identifier [Axis]: PetVet Care Centers, LLC | Health Care Providers & Services 2            
Schedule of Investments [Line Items]            
Amortized cost   29,796 [8],[9],[12] 29,851 [10],[11],[13]      
Investment, Identifier [Axis]: Pie Buyer, Inc. | Consumer Staples Distribution & Retail 1            
Schedule of Investments [Line Items]            
Amortized cost   2,147 [9],[14] 2,581 [11]      
Investment, Identifier [Axis]: Pie Buyer, Inc. | Consumer Staples Distribution & Retail 2            
Schedule of Investments [Line Items]            
Amortized cost   8,640 [8],[9] 8,637 [10],[11]      
Investment, Identifier [Axis]: Pie Buyer, Inc. | Consumer Staples Distribution & Retail 3            
Schedule of Investments [Line Items]            
Amortized cost   2,268 [8],[9] 2,267 [10],[11]      
Investment, Identifier [Axis]: Pie Buyer, Inc. | Consumer Staples Distribution & Retail 4            
Schedule of Investments [Line Items]            
Amortized cost   39,915 [8],[9],[12] 39,895 [10],[11],[13]      
Investment, Identifier [Axis]: Pie Buyer, Inc. | Consumer Staples Distribution & Retail 5            
Schedule of Investments [Line Items]            
Amortized cost   2,944 [8],[9],[12] 2,950 [10],[11],[13]      
Investment, Identifier [Axis]: Pluralsight, LLC | Software            
Schedule of Investments [Line Items]            
Amortized cost [7],[11],[19]     5,986      
Investment, Identifier [Axis]: Pluralsight, LLC | Software            
Schedule of Investments [Line Items]            
Amortized cost [9],[16],[17]   5,986        
Investment, Identifier [Axis]: Pluralsight, LLC | Software 1            
Schedule of Investments [Line Items]            
Amortized cost   4,612 [9] 4,600 [11]      
Investment, Identifier [Axis]: Pluralsight, LLC | Software 2            
Schedule of Investments [Line Items]            
Amortized cost   2,343 [9] 7,917 [11]      
Investment, Identifier [Axis]: Pluralsight, LLC | Software 3            
Schedule of Investments [Line Items]            
Amortized cost   0 [9],[14] 2,336 [11]      
Investment, Identifier [Axis]: Pluralsight, LLC | Software 4            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   0        
Investment, Identifier [Axis]: Pluralsight, LLC | Software 5            
Schedule of Investments [Line Items]            
Amortized cost [9],[30]   7,917        
Investment, Identifier [Axis]: Pluto Acquisition I, Inc. | Health Care Providers & Services 1            
Schedule of Investments [Line Items]            
Amortized cost   3,304 3,304      
Investment, Identifier [Axis]: Pluto Acquisition I, Inc. | Health Care Providers & Services 2            
Schedule of Investments [Line Items]            
Amortized cost   35,807 [8],[9] 35,489 [10],[11]      
Investment, Identifier [Axis]: Pluto Acquisition I, Inc., Health Care Providers & Services            
Schedule of Investments [Line Items]            
Amortized cost   9,607 9,631      
Investment, Identifier [Axis]: Point Broadband Acquisition, LLC | Diversified Telecommunication Services 1            
Schedule of Investments [Line Items]            
Amortized cost [7],[11],[19],[22]     0      
Investment, Identifier [Axis]: Point Broadband Acquisition, LLC | Diversified Telecommunication Services 2            
Schedule of Investments [Line Items]            
Amortized cost [11],[19],[22]     4,941      
Investment, Identifier [Axis]: Point Broadband Acquisition, LLC | Diversified Telecommunication Services 1            
Schedule of Investments [Line Items]            
Amortized cost [9],[16],[17],[21]   0        
Investment, Identifier [Axis]: Point Broadband Acquisition, LLC | Diversified Telecommunication Services 2            
Schedule of Investments [Line Items]            
Amortized cost [9],[16],[17],[21]   4,941        
Investment, Identifier [Axis]: Post Road Equipment Finance, LLC | Asset Based Financing            
Schedule of Investments [Line Items]            
Amortized cost [9],[17],[18],[21],[27]   128,429        
Investment, Identifier [Axis]: Post Road Equipment Finance, LLC | Asset Based Financing 2            
Schedule of Investments [Line Items]            
Amortized cost [11],[15],[20],[28]     (58)      
Investment, Identifier [Axis]: Post Road Equipment Finance, LLC | Asset Based Financing            
Schedule of Investments [Line Items]            
Amortized cost [7],[11],[20],[22],[28]     128,429      
Investment, Identifier [Axis]: Post Road Equipment Finance, LLC | Asset Based Financing 1            
Schedule of Investments [Line Items]            
Amortized cost   2,927 [9],[14],[18],[27] 33,995 [11],[15],[20],[28]      
Investment, Identifier [Axis]: Post Road Equipment Finance, LLC | Asset Based Financing 2            
Schedule of Investments [Line Items]            
Amortized cost [9],[18],[27]   34,995        
Investment, Identifier [Axis]: Post Road Equipment Finance, LLC | Asset Based Financing 3            
Schedule of Investments [Line Items]            
Amortized cost   62,617 [9],[18],[27] 62,609 [11],[20],[28]      
Investment, Identifier [Axis]: Pregis TopCo, LLC, Containers & Packaging            
Schedule of Investments [Line Items]            
Amortized cost   6,634 6,648      
Investment, Identifier [Axis]: Pretzel Parent, Inc, Entertainment            
Schedule of Investments [Line Items]            
Amortized cost   3,422        
Investment, Identifier [Axis]: Pretzel Parent, Inc., Entertainment            
Schedule of Investments [Line Items]            
Amortized cost     3,428      
Investment, Identifier [Axis]: Primo Brands Corp., Beverages            
Schedule of Investments [Line Items]            
Amortized cost   6,103        
Investment, Identifier [Axis]: ProAmpac PG Borrower, LLC, Chemicals            
Schedule of Investments [Line Items]            
Amortized cost   6,956        
Investment, Identifier [Axis]: Proofpoint, Inc, Software            
Schedule of Investments [Line Items]            
Amortized cost   6,577        
Investment, Identifier [Axis]: Proofpoint, Inc., Software            
Schedule of Investments [Line Items]            
Amortized cost     6,591      
Investment, Identifier [Axis]: Pug, LLC, Entertainment            
Schedule of Investments [Line Items]            
Amortized cost   5,474 2,471      
Investment, Identifier [Axis]: Questex, Inc. | Media 1            
Schedule of Investments [Line Items]            
Amortized cost   (24) [9],[14] (26) [11],[15]      
Investment, Identifier [Axis]: Questex, Inc. | Media 2            
Schedule of Investments [Line Items]            
Amortized cost   14,708 [9],[12] 14,725 [11],[13]      
Investment, Identifier [Axis]: Quikrete Holdings, Inc., Construction Materials 1            
Schedule of Investments [Line Items]            
Amortized cost   4,488 4,499      
Investment, Identifier [Axis]: Quikrete Holdings, Inc., Construction Materials 2            
Schedule of Investments [Line Items]            
Amortized cost   2,520 2,525      
Investment, Identifier [Axis]: RMP Group, Inc. | Health Care Technology            
Schedule of Investments [Line Items]            
Amortized cost   333 [9],[16],[17],[21] 333 [7],[11],[19],[22]      
Investment, Identifier [Axis]: Radiology Partners, Inc, Health Care Providers & Services            
Schedule of Investments [Line Items]            
Amortized cost   7,504        
Investment, Identifier [Axis]: Radiology Partners, Inc., Health Care Providers & Services            
Schedule of Investments [Line Items]            
Amortized cost     7,518      
Investment, Identifier [Axis]: Raven Acquisition Holdings, LLC, Health Care Providers & Services 1            
Schedule of Investments [Line Items]            
Amortized cost   9,649 9,670      
Investment, Identifier [Axis]: Raven Acquisition Holdings, LLC, Health Care Providers & Services 2            
Schedule of Investments [Line Items]            
Amortized cost   (4) (4)      
Investment, Identifier [Axis]: Reagent Chemical and Research, LLC | Chemicals 1            
Schedule of Investments [Line Items]            
Amortized cost   5,239 [9] 5,526 [11]      
Investment, Identifier [Axis]: Reagent Chemical and Research, LLC | Chemicals 2            
Schedule of Investments [Line Items]            
Amortized cost   (102) [9],[14] (107) [11],[15]      
Investment, Identifier [Axis]: Reagent Chemical and Research, LLC | Chemicals 3            
Schedule of Investments [Line Items]            
Amortized cost   42,725 [8],[9],[12] 43,719 [10],[11],[13]      
Investment, Identifier [Axis]: Recess Holdings, Inc., Household Durables            
Schedule of Investments [Line Items]            
Amortized cost   5,301 5,312      
Investment, Identifier [Axis]: Red Planet Borrower, LLC, Media            
Schedule of Investments [Line Items]            
Amortized cost   7,411 7,427      
Investment, Identifier [Axis]: Relativity Oda, LLC | Software            
Schedule of Investments [Line Items]            
Amortized cost [10],[11]     7,696      
Investment, Identifier [Axis]: Renaissance Holdings Corp., Diversified Consumer Services            
Schedule of Investments [Line Items]            
Amortized cost   4,067 4,073      
Investment, Identifier [Axis]: Resideo Funding, Inc., Building Products            
Schedule of Investments [Line Items]            
Amortized cost   1,920 1,915      
Investment, Identifier [Axis]: Resilience Parent, LLC | Electrical Equipment            
Schedule of Investments [Line Items]            
Amortized cost [9]   13,483        
Investment, Identifier [Axis]: Resolute Investment Managers, Inc. | Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost [9],[16],[17]   2,026        
Investment, Identifier [Axis]: Resolute Investment Managers, Inc. | Financial Services            
Schedule of Investments [Line Items]            
Amortized cost [7],[11],[19]     2,026      
Investment, Identifier [Axis]: Resolute Investment Managers, Inc., Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   1,286        
Investment, Identifier [Axis]: Resolute Investment Managers, Inc., Financial Services            
Schedule of Investments [Line Items]            
Amortized cost     1,286      
Investment, Identifier [Axis]: Rialto Management Group, LLC | Capital Markets 1            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   (6)        
Investment, Identifier [Axis]: Rialto Management Group, LLC | Capital Markets 2            
Schedule of Investments [Line Items]            
Amortized cost [8],[9],[12]   20,014        
Investment, Identifier [Axis]: Rialto Management Group, LLC | Financial Services 1            
Schedule of Investments [Line Items]            
Amortized cost [11],[15]     (6)      
Investment, Identifier [Axis]: Rialto Management Group, LLC | Financial Services 2            
Schedule of Investments [Line Items]            
Amortized cost [10],[11],[13]     20,004      
Investment, Identifier [Axis]: Rithum Holdings, Inc., Software            
Schedule of Investments [Line Items]            
Amortized cost   4,882 4,891      
Investment, Identifier [Axis]: Roadsafe Holdings, Inc. | Construction & Engineering 1            
Schedule of Investments [Line Items]            
Amortized cost [8],[9]   7,291        
Investment, Identifier [Axis]: Roadsafe Holdings, Inc. | Construction & Engineering 2            
Schedule of Investments [Line Items]            
Amortized cost [8],[9]   6,763        
Investment, Identifier [Axis]: Roadsafe Holdings, Inc. | Construction & Engineering 3            
Schedule of Investments [Line Items]            
Amortized cost [8],[9],[12]   11,909        
Investment, Identifier [Axis]: Roadsafe Holdings, Inc. | Construction & Engineering 4            
Schedule of Investments [Line Items]            
Amortized cost [8],[9],[12]   1,064        
Investment, Identifier [Axis]: Roadsafe Holdings, Inc. | Transportation Infrastructure 1            
Schedule of Investments [Line Items]            
Amortized cost [10],[11]     7,291      
Investment, Identifier [Axis]: Roadsafe Holdings, Inc. | Transportation Infrastructure 2            
Schedule of Investments [Line Items]            
Amortized cost [10],[11]     6,759      
Investment, Identifier [Axis]: Roadsafe Holdings, Inc. | Transportation Infrastructure 3            
Schedule of Investments [Line Items]            
Amortized cost [10],[11],[13]     11,903      
Investment, Identifier [Axis]: Roadsafe Holdings, Inc. | Transportation Infrastructure 4            
Schedule of Investments [Line Items]            
Amortized cost [10],[11],[13]     1,062      
Investment, Identifier [Axis]: Roper Industrial Products Investment Co., LLC, Industrial Conglomerates            
Schedule of Investments [Line Items]            
Amortized cost     4,877      
Investment, Identifier [Axis]: S&S Holdings, LLC, Textiles, Apparel & luxury goods            
Schedule of Investments [Line Items]            
Amortized cost   4,610 4,615      
Investment, Identifier [Axis]: SCIH Salt Holdings, Inc. | Chemicals            
Schedule of Investments [Line Items]            
Amortized cost   (1) [9],[14] 328 [11],[15]      
Investment, Identifier [Axis]: Saab Purchaser, Inc. | Software 1            
Schedule of Investments [Line Items]            
Amortized cost   (79) [9],[14] (83) [11],[15]      
Investment, Identifier [Axis]: Saab Purchaser, Inc. | Software 2            
Schedule of Investments [Line Items]            
Amortized cost   (21) [9],[14] (22) [11],[15]      
Investment, Identifier [Axis]: Saab Purchaser, Inc. | Software 3            
Schedule of Investments [Line Items]            
Amortized cost   17,712 [8],[9] 17,702 [10],[11]      
Investment, Identifier [Axis]: Saranac CLO, Ltd. 20-8A E, Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   1,445 1,445      
Investment, Identifier [Axis]: Saturn SHC Buyer Holdings, Inc. | Health Care Providers & Services 1            
Schedule of Investments [Line Items]            
Amortized cost   (22) [9],[14] (25) [11],[15]      
Investment, Identifier [Axis]: Saturn SHC Buyer Holdings, Inc. | Health Care Providers & Services 2            
Schedule of Investments [Line Items]            
Amortized cost   37,088 [8],[9] 37,078 [10],[11]      
Investment, Identifier [Axis]: Saturn SHC Buyer Holdings, Inc. | Health Care Providers & Services 3            
Schedule of Investments [Line Items]            
Amortized cost   12,899 [8],[9] 12,882 [10],[11]      
Investment, Identifier [Axis]: Saturn Sound Bidco, Ltd. | Aerospace & Defense 1            
Schedule of Investments [Line Items]            
Amortized cost [9],[14],[25]   (18)        
Investment, Identifier [Axis]: Saturn Sound Bidco, Ltd. | Aerospace & Defense 2            
Schedule of Investments [Line Items]            
Amortized cost [9],[12],[14],[25]   24,605        
Investment, Identifier [Axis]: Saturn Sound Bidco, Ltd. | Trading Companies & Distributors 1            
Schedule of Investments [Line Items]            
Amortized cost [11],[15],[26]     (19)      
Investment, Identifier [Axis]: Saturn Sound Bidco, Ltd. | Trading Companies & Distributors 2            
Schedule of Investments [Line Items]            
Amortized cost [10],[11],[13],[26]     24,588      
Investment, Identifier [Axis]: Sedgwick Claims Management Services, Inc., Health Care Providers & Services            
Schedule of Investments [Line Items]            
Amortized cost   7,189 7,205      
Investment, Identifier [Axis]: Sharp Services, LLC, Health Care Providers & Services            
Schedule of Investments [Line Items]            
Amortized cost   2,995 3,001      
Investment, Identifier [Axis]: Sherlock Buyer Corp. | Professional Services 2            
Schedule of Investments [Line Items]            
Amortized cost [10],[11],[13]     15,509      
Investment, Identifier [Axis]: Sherlock Buyer Corp. | Professional Services 1            
Schedule of Investments [Line Items]            
Amortized cost   (4) [9],[14] (4) [11],[15]      
Investment, Identifier [Axis]: Sherlock Buyer Corp. | Professional Services 2            
Schedule of Investments [Line Items]            
Amortized cost [8],[9],[12]   15,468        
Investment, Identifier [Axis]: Siena Capital Finance, LLC | Asset Based Financing            
Schedule of Investments [Line Items]            
Amortized cost [9],[17],[18]   77,437        
Investment, Identifier [Axis]: Siena Capital Finance, LLC | Asset Based Financing            
Schedule of Investments [Line Items]            
Amortized cost   83,537 [9],[18] 77,437 [7],[11],[20]      
Investment, Identifier [Axis]: Siena Capital Finance, LLC | Asset Based Financing 1            
Schedule of Investments [Line Items]            
Amortized cost [11],[20]     77,526      
Investment, Identifier [Axis]: Simplifi Holdings, Inc. | Media 2            
Schedule of Investments [Line Items]            
Amortized cost [10],[11]     49,159      
Investment, Identifier [Axis]: Simplifi Holdings, Inc. | Media 1            
Schedule of Investments [Line Items]            
Amortized cost   2,118 [9],[14] 509 [11],[15]      
Investment, Identifier [Axis]: Simplifi Holdings, Inc. | Media 2            
Schedule of Investments [Line Items]            
Amortized cost [8],[9]   49,067        
Investment, Identifier [Axis]: SitusAMC Holdings Corp. | Financial Services            
Schedule of Investments [Line Items]            
Amortized cost [8],[9],[12]   51,833        
Investment, Identifier [Axis]: SitusAMC Holdings Corp. | Financial Services            
Schedule of Investments [Line Items]            
Amortized cost [10],[11],[13]     51,949      
Investment, Identifier [Axis]: Skillsoft Corp. | Professional Services            
Schedule of Investments [Line Items]            
Amortized cost [19]     187      
Investment, Identifier [Axis]: Smile Brands, Inc. | Health Care Providers & Services            
Schedule of Investments [Line Items]            
Amortized cost   0 [9],[16],[17] 0 [7],[11],[19]      
Investment, Identifier [Axis]: Smile Brands, Inc. | Health Care Providers & Services            
Schedule of Investments [Line Items]            
Amortized cost [9],[30]   62        
Investment, Identifier [Axis]: Smile Brands, Inc. | Health Care Providers & Services 2            
Schedule of Investments [Line Items]            
Amortized cost [11]     62      
Investment, Identifier [Axis]: Sonrava Health Holdings, LLC, Health Care Providers & Services 1            
Schedule of Investments [Line Items]            
Amortized cost   1,680 1,663      
Investment, Identifier [Axis]: Sonrava Health Holdings, LLC, Health Care Providers & Services 2            
Schedule of Investments [Line Items]            
Amortized cost   317 10,463      
Investment, Identifier [Axis]: Sonrava Health Holdings, LLC, Health Care Providers & Services 3            
Schedule of Investments [Line Items]            
Amortized cost   10,463 311      
Investment, Identifier [Axis]: Sotera Health Holdings, LLC, Life Sciences Tools & Services            
Schedule of Investments [Line Items]            
Amortized cost   7,366 7,382      
Investment, Identifier [Axis]: Sound Point CLO, Ltd. 17-2A E, Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   2,205 2,190      
Investment, Identifier [Axis]: Sound Point CLO, Ltd. 18-3A D, Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   934 931      
Investment, Identifier [Axis]: Specialty Building Products Holdings, LLC, Building Products            
Schedule of Investments [Line Items]            
Amortized cost   6,250 4,823      
Investment, Identifier [Axis]: Squan Holding Corp. | Wireless Telecommunication Services            
Schedule of Investments [Line Items]            
Amortized cost [9],[16],[17]   0        
Investment, Identifier [Axis]: Squan Holding Corp. | Wireless Telecommunication Services            
Schedule of Investments [Line Items]            
Amortized cost [7],[11],[19]     0      
Investment, Identifier [Axis]: Staples, Inc., Business Services            
Schedule of Investments [Line Items]            
Amortized cost     733,390      
Investment, Identifier [Axis]: Staples, Inc., Specialty Retail            
Schedule of Investments [Line Items]            
Amortized cost   2,864 2,866      
Investment, Identifier [Axis]: Starlight Parent, LLC, Software            
Schedule of Investments [Line Items]            
Amortized cost   5,326 5,334      
Investment, Identifier [Axis]: Stonepeak Nile Parent, LLC , Air Freight & Logistics            
Schedule of Investments [Line Items]            
Amortized cost     4,365      
Investment, Identifier [Axis]: Stonepeak Nile Parent, LLC, Air Freight & Logistics            
Schedule of Investments [Line Items]            
Amortized cost   4,355        
Investment, Identifier [Axis]: Striper Buyer, LLC | Containers & Packaging            
Schedule of Investments [Line Items]            
Amortized cost [8],[9]   16,598        
Investment, Identifier [Axis]: Striper Buyer, LLC | Containers & Packaging            
Schedule of Investments [Line Items]            
Amortized cost [10],[11]     16,637      
Investment, Identifier [Axis]: SunMed Group Holdings, LLC | Health Care Equipment & Supplies 1            
Schedule of Investments [Line Items]            
Amortized cost   (1) [9],[14] (1) [11],[15]      
Investment, Identifier [Axis]: SunMed Group Holdings, LLC | Health Care Equipment & Supplies 2            
Schedule of Investments [Line Items]            
Amortized cost   12,324 [8],[9] 12,345 [10],[11]      
Investment, Identifier [Axis]: Symphony CLO, Ltd. 2012-9A ER2, Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   2,839 2,834      
Investment, Identifier [Axis]: TEI Intermediate, LLC | Commercial Services & Supplies 2            
Schedule of Investments [Line Items]            
Amortized cost [11],[15]     852      
Investment, Identifier [Axis]: TEI Intermediate, LLC | Commercial Services & Supplies 1            
Schedule of Investments [Line Items]            
Amortized cost   4,711 [9],[14] 889 [11],[15]      
Investment, Identifier [Axis]: TEI Intermediate, LLC | Commercial Services & Supplies 2            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   853        
Investment, Identifier [Axis]: TEI Intermediate, LLC | Commercial Services & Supplies 3            
Schedule of Investments [Line Items]            
Amortized cost   23,176 [8],[9],[12] 23,005 [10],[11],[13]      
Investment, Identifier [Axis]: TK Elevator Midco GmbH, Machinery            
Schedule of Investments [Line Items]            
Amortized cost   3,600        
Investment, Identifier [Axis]: Tax Defense Network, LLC | Diversified Consumer Services 1            
Schedule of Investments [Line Items]            
Amortized cost   927 [9],[30] 927 [11],[29]      
Investment, Identifier [Axis]: Tax Defense Network, LLC | Diversified Consumer Services 2            
Schedule of Investments [Line Items]            
Amortized cost   164 [9],[30] 164 [11],[29]      
Investment, Identifier [Axis]: Tax Defense Network, LLC | Diversified Consumer Services 3            
Schedule of Investments [Line Items]            
Amortized cost   4,742 [9],[30] 4,742 [11],[29]      
Investment, Identifier [Axis]: Tax Defense Network, LLC | Diversified Consumer Services 4            
Schedule of Investments [Line Items]            
Amortized cost   0 [9],[16],[17] 0 [7],[11],[19]      
Investment, Identifier [Axis]: Tax Defense Network, LLC | Diversified Consumer Services 5            
Schedule of Investments [Line Items]            
Amortized cost   0 [9],[16],[17] 0 [7],[11],[19]      
Investment, Identifier [Axis]: Tecta America Corp., Construction & Engineering            
Schedule of Investments [Line Items]            
Amortized cost   5,445 5,458      
Investment, Identifier [Axis]: Tennenbaum Waterman Fund, LP | Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   1,668 [16],[17],[23],[25] 1,668 [7],[19],[24],[26]      
Investment, Identifier [Axis]: The NPD Group, LP | Professional Services 1            
Schedule of Investments [Line Items]            
Amortized cost   (18) [9],[14] (19) [11],[15]      
Investment, Identifier [Axis]: The NPD Group, LP | Professional Services 2            
Schedule of Investments [Line Items]            
Amortized cost   51,634 [8],[9] 51,600 [10],[11]      
Investment, Identifier [Axis]: Therapy Brands Holdings, LLC | Health Care Technology 1            
Schedule of Investments [Line Items]            
Amortized cost   5,935 [8],[9] 5,950 [10],[11]      
Investment, Identifier [Axis]: Therapy Brands Holdings, LLC | Health Care Technology 2            
Schedule of Investments [Line Items]            
Amortized cost   6,592 [8],[9] 6,591 [10],[11]      
Investment, Identifier [Axis]: Tivity Health, Inc. | Health Care Providers & Services            
Schedule of Investments [Line Items]            
Amortized cost [8],[9]   23,987        
Investment, Identifier [Axis]: Tivity Health, Inc. | Health Care Providers & Services            
Schedule of Investments [Line Items]            
Amortized cost [10],[11]     24,028      
Investment, Identifier [Axis]: TransDigm, Inc., Aerospace & Defense            
Schedule of Investments [Line Items]            
Amortized cost   3,885 3,894      
Investment, Identifier [Axis]: Travelpro Products, Inc. | Textiles, Apparel & luxury goods            
Schedule of Investments [Line Items]            
Amortized cost   913 [9],[16],[17],[25] 913 [7],[11],[19],[26]      
Investment, Identifier [Axis]: Traverse Midstream Partners, LLC, Oil, Gas & Consumable Fuels            
Schedule of Investments [Line Items]            
Amortized cost   9,849 9,847      
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corp. | Professional Services 1            
Schedule of Investments [Line Items]            
Amortized cost   16,042 [9] (16) [11],[15]      
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corp. | Professional Services 2            
Schedule of Investments [Line Items]            
Amortized cost   (15) [9],[14] (9) [11],[15]      
Investment, Identifier [Axis]: Trinity Air Consultants Holdings Corp. | Professional Services 3            
Schedule of Investments [Line Items]            
Amortized cost   (8) [9],[14] 16,070 [11]      
Investment, Identifier [Axis]: Triple Lift, Inc. | Media 1            
Schedule of Investments [Line Items]            
Amortized cost   (33) [9],[14] (37) [11],[15]      
Investment, Identifier [Axis]: Triple Lift, Inc. | Media 2            
Schedule of Investments [Line Items]            
Amortized cost   38,237 [8],[9],[12] 38,257 [10],[11],[13]      
Investment, Identifier [Axis]: Triton Water Holdings, Inc., Beverages            
Schedule of Investments [Line Items]            
Amortized cost     7,365      
Investment, Identifier [Axis]: Truck Hero, Inc, Automobile Components 1            
Schedule of Investments [Line Items]            
Amortized cost   4,376        
Investment, Identifier [Axis]: Truck Hero, Inc, Automobile Components 2            
Schedule of Investments [Line Items]            
Amortized cost   8,281        
Investment, Identifier [Axis]: Truck Hero, Inc., Automobile Components 1            
Schedule of Investments [Line Items]            
Amortized cost     4,378      
Investment, Identifier [Axis]: Truck Hero, Inc., Automobile Components 2            
Schedule of Investments [Line Items]            
Amortized cost     8,295      
Investment, Identifier [Axis]: Trystar, LLC | Electrical Equipment 1            
Schedule of Investments [Line Items]            
Amortized cost   12,476 [9] 2,861 [11],[15]      
Investment, Identifier [Axis]: Trystar, LLC | Electrical Equipment 2            
Schedule of Investments [Line Items]            
Amortized cost   (48) [9],[14] (50) [11],[15]      
Investment, Identifier [Axis]: Trystar, LLC | Electrical Equipment 3            
Schedule of Investments [Line Items]            
Amortized cost   22,715 [8],[9],[12] 24,340 [10],[11],[13]      
Investment, Identifier [Axis]: Trystar, LLC | Electrical Equipment 4            
Schedule of Investments [Line Items]            
Amortized cost   10,258 [9],[12] 10,278 [11],[13]      
Investment, Identifier [Axis]: UKG, Inc., Software            
Schedule of Investments [Line Items]            
Amortized cost   9,561 9,581      
Investment, Identifier [Axis]: US Anesthesia Partners, Inc., Health Care Providers & Services            
Schedule of Investments [Line Items]            
Amortized cost   6,685 6,682      
Investment, Identifier [Axis]: US Oral Surgery Management Holdco, LLC | Health Care Providers & Services 4            
Schedule of Investments [Line Items]            
Amortized cost [10],[11]     6,079      
Investment, Identifier [Axis]: US Oral Surgery Management Holdco, LLC | Health Care Providers & Services 1            
Schedule of Investments [Line Items]            
Amortized cost   5,031 [9] 5,029 [11]      
Investment, Identifier [Axis]: US Oral Surgery Management Holdco, LLC | Health Care Providers & Services 2            
Schedule of Investments [Line Items]            
Amortized cost   (4) [9],[14] (3) [11],[15]      
Investment, Identifier [Axis]: US Oral Surgery Management Holdco, LLC | Health Care Providers & Services 3            
Schedule of Investments [Line Items]            
Amortized cost   6,964 [8],[9] 6,960 [10],[11]      
Investment, Identifier [Axis]: US Oral Surgery Management Holdco, LLC | Health Care Providers & Services 4            
Schedule of Investments [Line Items]            
Amortized cost [8],[9]   6,081        
Investment, Identifier [Axis]: US Oral Surgery Management Holdco, LLC | Health Care Providers & Services 5            
Schedule of Investments [Line Items]            
Amortized cost   17,567 [8],[9] 17,555 [10],[11]      
Investment, Identifier [Axis]: US Salt Investors, LLC | Chemicals 1            
Schedule of Investments [Line Items]            
Amortized cost [9],[14],[25]   16,516        
Investment, Identifier [Axis]: US Salt Investors, LLC | Chemicals 2            
Schedule of Investments [Line Items]            
Amortized cost [9],[14],[25]   (19)        
Investment, Identifier [Axis]: US Salt Investors, LLC | Metals & Mining 1            
Schedule of Investments [Line Items]            
Amortized cost [11],[15]     (2)      
Investment, Identifier [Axis]: US Salt Investors, LLC | Metals & Mining 2            
Schedule of Investments [Line Items]            
Amortized cost [10],[11]     25,397      
Investment, Identifier [Axis]: United Airlines, Inc., Passenger Airlines            
Schedule of Investments [Line Items]            
Amortized cost   3,689 3,697      
Investment, Identifier [Axis]: University Support Services, LLC , Diversified Consumer Services            
Schedule of Investments [Line Items]            
Amortized cost     3,974      
Investment, Identifier [Axis]: University Support Services, LLC, Diversified Consumer Services            
Schedule of Investments [Line Items]            
Amortized cost   4,913        
Investment, Identifier [Axis]: Urban One, Inc. | Media            
Schedule of Investments [Line Items]            
Amortized cost [7]     235      
Investment, Identifier [Axis]: Urban One, Inc. | Media 1            
Schedule of Investments [Line Items]            
Amortized cost [9],[17]   157        
Investment, Identifier [Axis]: Urban One, Inc. | Media 2            
Schedule of Investments [Line Items]            
Amortized cost [17]   831        
Investment, Identifier [Axis]: VFH Parent, LLC, Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   4,950 5,000      
Investment, Identifier [Axis]: Vanco Payment Solutions, LLC | Software 1            
Schedule of Investments [Line Items]            
Amortized cost   11,178 [9] (5) [11],[15]      
Investment, Identifier [Axis]: Vanco Payment Solutions, LLC | Software 2            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   (5)        
Investment, Identifier [Axis]: Vanco Payment Solutions, LLC| Software 2            
Schedule of Investments [Line Items]            
Amortized cost [11]     11,202      
Investment, Identifier [Axis]: Varicent Intermediate Holdings Corp. | Software 2            
Schedule of Investments [Line Items]            
Amortized cost [11]     5,376      
Investment, Identifier [Axis]: Varicent Intermediate Holdings Corp. | Software 1            
Schedule of Investments [Line Items]            
Amortized cost   5,882 [9] (6) [11],[15]      
Investment, Identifier [Axis]: Varicent Intermediate Holdings Corp. | Software 2            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   (6)        
Investment, Identifier [Axis]: Varicent Intermediate Holdings Corp. | Software 3            
Schedule of Investments [Line Items]            
Amortized cost   (19) [9],[14] (23) [11],[15]      
Investment, Identifier [Axis]: Varicent Intermediate Holdings Corp. | Software 4            
Schedule of Investments [Line Items]            
Amortized cost   (34) [9],[14] (36) [11],[15]      
Investment, Identifier [Axis]: Varicent Intermediate Holdings Corp. | Software 5            
Schedule of Investments [Line Items]            
Amortized cost   21,046 [8],[9],[12] 20,862 [10],[11],[13]      
Investment, Identifier [Axis]: Venture CLO 43, Ltd. 21-43A E, Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   2,935 2,933      
Investment, Identifier [Axis]: Victors CCC Buyer, LLC | Professional Services 1            
Schedule of Investments [Line Items]            
Amortized cost   2,947 [9] 1,536 [11]      
Investment, Identifier [Axis]: Victors CCC Buyer, LLC | Professional Services 2            
Schedule of Investments [Line Items]            
Amortized cost   935 [9] (13) [11],[15]      
Investment, Identifier [Axis]: Victors CCC Buyer, LLC | Professional Services 3            
Schedule of Investments [Line Items]            
Amortized cost   1,533 [9] 23,197 [10],[11]      
Investment, Identifier [Axis]: Victors CCC Buyer, LLC | Professional Services 4            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   (5)        
Investment, Identifier [Axis]: Victors CCC Buyer, LLC | Professional Services 5            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   (12)        
Investment, Identifier [Axis]: Victors CCC Buyer, LLC | Professional Services 6            
Schedule of Investments [Line Items]            
Amortized cost [8],[9]   23,151        
Investment, Identifier [Axis]: Victory Buyer, LLC | Building Products            
Schedule of Investments [Line Items]            
Amortized cost [10],[11]     44,243      
Investment, Identifier [Axis]: Victory Buyer, LLC | Machinery            
Schedule of Investments [Line Items]            
Amortized cost [8],[9]   37,952        
Investment, Identifier [Axis]: Victory Buyer, LLC, Building Products            
Schedule of Investments [Line Items]            
Amortized cost     7,182      
Investment, Identifier [Axis]: WCG Intermediate Corp., Health Care Providers & Services            
Schedule of Investments [Line Items]            
Amortized cost   4,431        
Investment, Identifier [Axis]: WCG Purchaser Corp., Health Care Providers & Services            
Schedule of Investments [Line Items]            
Amortized cost     4,453      
Investment, Identifier [Axis]: WHCG Purchaser III, Inc. | Health Care Providers & Services 1            
Schedule of Investments [Line Items]            
Amortized cost   24,397 [9] 24,091 [11]      
Investment, Identifier [Axis]: WHCG Purchaser III, Inc. | Health Care Providers & Services 2            
Schedule of Investments [Line Items]            
Amortized cost   8,388 [9],[30] 8,388 [11],[29]      
Investment, Identifier [Axis]: WHCG Purchaser III, Inc. | Health Care Providers & Services 3            
Schedule of Investments [Line Items]            
Amortized cost   0 [9],[16],[17] 0 [7],[11],[19]      
Investment, Identifier [Axis]: WIN Holdings III Corp. | Diversified Consumer Services 1            
Schedule of Investments [Line Items]            
Amortized cost   1,181 [9],[14] 1,178 [11],[15]      
Investment, Identifier [Axis]: WIN Holdings III Corp. | Diversified Consumer Services 2            
Schedule of Investments [Line Items]            
Amortized cost   41,597 [8],[9] 41,590 [10],[11]      
Investment, Identifier [Axis]: WIN Holdings III Corp. | Diversified Consumer Services 3            
Schedule of Investments [Line Items]            
Amortized cost   9,890 [8],[9] 9,776 [10],[11]      
Investment, Identifier [Axis]: WIN Holdings III Corp. | Diversified Consumer Services 4            
Schedule of Investments [Line Items]            
Amortized cost   20,042 [8],[9] 20,071 [10],[11]      
Investment, Identifier [Axis]: WPNT, LLC | Media            
Schedule of Investments [Line Items]            
Amortized cost [7],[11],[19],[20],[22]     0      
Investment, Identifier [Axis]: West Coast Dental Services, Inc. | Health Care Providers & Services 1            
Schedule of Investments [Line Items]            
Amortized cost   3,599 [9],[14] 3,596 [11],[15]      
Investment, Identifier [Axis]: West Coast Dental Services, Inc. | Health Care Providers & Services 2            
Schedule of Investments [Line Items]            
Amortized cost   1,641 [8],[9] 1,643 [10],[11]      
Investment, Identifier [Axis]: West Coast Dental Services, Inc. | Health Care Providers & Services 3            
Schedule of Investments [Line Items]            
Amortized cost   27,516 [8],[9] 27,571 [10],[11]      
Investment, Identifier [Axis]: WestJet Loyalty, LP, Passenger Airlines            
Schedule of Investments [Line Items]            
Amortized cost   5,641 5,653      
Investment, Identifier [Axis]: Westwood Professional Services, Inc. | Construction & Engineering 1            
Schedule of Investments [Line Items]            
Amortized cost   4,347 [9],[14] 4,355 [11],[15]      
Investment, Identifier [Axis]: Westwood Professional Services, Inc. | Construction & Engineering 2            
Schedule of Investments [Line Items]            
Amortized cost   (53) [9],[14] (56) [11],[15]      
Investment, Identifier [Axis]: Westwood Professional Services, Inc. | Construction & Engineering 3            
Schedule of Investments [Line Items]            
Amortized cost   44,384 [8],[9],[12] 44,485 [10],[11],[13]      
Investment, Identifier [Axis]: Wharf Street Ratings Acquisition, LLC | Capital Markets 2            
Schedule of Investments [Line Items]            
Amortized cost [11],[15]     (27)      
Investment, Identifier [Axis]: Wharf Street Ratings Acquisition, LLC | Capital Markets 1            
Schedule of Investments [Line Items]            
Amortized cost   (13) [9],[14] (14) [11],[15]      
Investment, Identifier [Axis]: Wharf Street Ratings Acquisition, LLC | Capital Markets 2            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   (26)        
Investment, Identifier [Axis]: Wharf Street Ratings Acquisition, LLC | Capital Markets 3            
Schedule of Investments [Line Items]            
Amortized cost   25,490 [8],[9] 25,544 [10],[11]      
Investment, Identifier [Axis]: White Cap Supply Holdings, LLC, Building Products            
Schedule of Investments [Line Items]            
Amortized cost   5,247 5,258      
Investment, Identifier [Axis]: Whitehorse, Ltd. 14-1A E | Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   230 [9],[17],[25] 226 [7],[11],[26]      
Investment, Identifier [Axis]: Wind River CLO, Ltd. 14-2A FR, Capital Markets            
Schedule of Investments [Line Items]            
Amortized cost   2,673 2,660      
Investment, Identifier [Axis]: Windsor Holdings III, LLC, Chemicals            
Schedule of Investments [Line Items]            
Amortized cost   3,192 3,197      
Investment, Identifier [Axis]: Wipfli Advisory, LLC | Financial Services 1            
Schedule of Investments [Line Items]            
Amortized cost   0 [9],[14] 0 [11],[15]      
Investment, Identifier [Axis]: Wipfli Advisory, LLC | Financial Services 2            
Schedule of Investments [Line Items]            
Amortized cost   (19) [9],[14] (19) [11],[15]      
Investment, Identifier [Axis]: Wipfli Advisory, LLC | Financial Services 3            
Schedule of Investments [Line Items]            
Amortized cost   16,061 [8],[9] 16,055 [10],[11]      
Investment, Identifier [Axis]: World Business Lenders, LLC | Financial Services            
Schedule of Investments [Line Items]            
Amortized cost   1,617 [9],[16],[17] 1,617 [7],[11],[19]      
Investment, Identifier [Axis]: X Corp., Interactive Media & Services 1            
Schedule of Investments [Line Items]            
Amortized cost     4,923      
Investment, Identifier [Axis]: X Corp., Interactive Media & Services 2            
Schedule of Investments [Line Items]            
Amortized cost     7,430      
Investment, Identifier [Axis]: YummyEarth, Inc. | Food Products            
Schedule of Investments [Line Items]            
Amortized cost   0 [9],[16],[17] 0 [7],[11],[19]      
Investment, Identifier [Axis]: Zayo Group Holdings, Inc., Diversified Telecommunication Services            
Schedule of Investments [Line Items]            
Amortized cost   5,673 4,205      
Investment, Identifier [Axis]: Zendesk, Inc. | Software 1            
Schedule of Investments [Line Items]            
Amortized cost   5,477 [9] 10,364 [11]      
Investment, Identifier [Axis]: Zendesk, Inc. | Software 2            
Schedule of Investments [Line Items]            
Amortized cost   10,347 [9] $ 64,464 [10],[11]      
Investment, Identifier [Axis]: Zendesk, Inc. | Software 3            
Schedule of Investments [Line Items]            
Amortized cost [9],[14]   0        
Investment, Identifier [Axis]: Zendesk, Inc. | Software 4            
Schedule of Investments [Line Items]            
Amortized cost [8],[9]   $ 64,345        
FBLC Senior Loan Fund, LLC            
Schedule of Investments [Line Items]            
Limited liability company (LLC) or limited partnership (LP), managing member or general partner, ownership interest 87.50% 80.00%        
Investment owned, cost, contributions           $ 100,000
Investment owned, cost, distributions       $ 80,000 $ 100,000  
FBLC Senior Loan Fund, LLC | Cliffwater Corporate Lending Fund C C L F            
Schedule of Investments [Line Items]            
Limited liability company (LLC) or limited partnership (LP), managing member or general partner, ownership interest 12.50% 20.00%        
Financial Asset, Past Due            
Schedule of Investments [Line Items]            
Investment owned non accrual status number | portfolioCompany   8 8      
Cost, option, loans held as assets, aggregate amount in nonaccrual status   $ 59,500 $ 100,300      
Fair value, option, loans held as assets, aggregate amount in nonaccrual status   $ 30,900 $ 46,500      
Financial Asset, Past Due | Investment Owned At Amortized Cost | Investment Type Concentration Risk            
Schedule of Investments [Line Items]            
Percentage of investments in non-accrual status at cost   1.40% 2.40%      
Percentage of investments in non-accrual status at fair value   0.80% 1.10%      
[1] Percentages are based on net assets attributable to common stock as of March 31, 2026.
[2] Unless otherwise indicated, all investments in the consolidated schedules of investments are non-affiliated, non-controlled investments.
[3] Unless otherwise indicated, all of the Company's investments or a portion thereof are pledged as collateral under the JPM Revolver Facility.
[4] Percentages are based on net assets attributable to common stock as of December 31, 2025.
[5] Unless otherwise indicated, all investments in the consolidated schedules of investments are non-affiliated, non-controlled investments.
[6] Unless otherwise indicated, all of the Company's investments or a portion thereof are pledged as collateral under the JPM Revolver Facility (as defined below).
[7] Securities exempt from registration under the Securities Act of 1933 (as defined below), and may be deemed to be “restricted securities.” As of December 31, 2025, the aggregate fair value of these securities is $523.7 million or 28.5% of the Company’s net assets. The initial acquisition dates have been included for such securities.
[8] The Company's investment or a portion thereof is pledged as collateral under the JPM Credit Facility.
[9] The fair value of investments with respect to securities for which market quotations are not readily available is determined in good faith by the Company's Board of Directors (as defined below) as required by the 1940 Act. Such investments are valued using significant unobservable inputs (See Note 3 to the consolidated financial statements).
[10] The Company's investment or a portion thereof is pledged as collateral under the JPM Credit Facility (as defined below).
[11] The fair value of investments with respect to securities for which market quotations are not readily available is determined in good faith by the Company's Board of Directors (as defined below) as required by the 1940 Act. Such investments are valued using significant unobservable inputs (See Note 3 to the consolidated financial statements).
[12] The Company's investment or a portion thereof is pledged as collateral under the Wells Fargo Credit Facility (as defined below). Individual investments can be divided into parts which are pledged to separate credit facilities.
[13] The Company's investment or a portion thereof is pledged as collateral under the Wells Fargo Credit Facility. Individual investments can be divided into parts which are pledged to separate credit facilities.
[14] Position or portion thereof is an unfunded loan commitment, and no interest is being earned on the unfunded portion. The investment may be subject to an unused/letter of credit facility fee. The negative fair value, if applicable, is the result of the capitalized discount on the loan or the unfunded commitment being valued below par. The negative amortized cost, if applicable, is the result of the capitalized discount being greater than the principal amount outstanding on the loan. Please refer to Note 7 - Commitments and Contingencies for additional details.
[15] Position or portion thereof is an unfunded loan commitment, and no interest is being earned on the unfunded portion. The investment may be subject to an unused/letter of credit facility fee. The negative fair value, if applicable, is the result of the capitalized discount on the loan or the unfunded commitment being valued below par. The negative amortized cost, if applicable, is the result of the capitalized discount being greater than the principal amount outstanding on the loan. Please refer to Note 7 - Commitments and Contingencies for additional details.
[16] Non-income producing at March 31, 2026.
[17] Securities exempt from registration under the Securities Act of 1933 (as defined below), and may be deemed to be “restricted securities.” As of March 31, 2026, the aggregate fair value of these securities is $533.7 million or 29.1% of the Company’s net assets. The initial acquisition dates have been included for such securities.
[18] The provisions of the 1940 Act classify investments based on the level of control that the Company maintains in a particular portfolio company. As defined in the 1940 Act, a company is generally presumed to be “non-controlled” when the Company owns 25% or less of the portfolio company’s outstanding voting securities and/or does not have the power to exercise control over the management or policies of such portfolio company. A company is generally presumed to be “controlled” when the Company owns more than 25% of the portfolio company’s outstanding voting securities and/or has the power to exercise control over the management or policies of such portfolio company. The Company classifies this investment as “controlled.”
[19] Non-income producing at December 31, 2025.
[20] The provisions of the 1940 Act classify investments based on the level of control that the Company maintains in a particular portfolio company. As defined in the 1940 Act, a company is generally presumed to be “non-controlled” when the Company owns 25% or less of the portfolio company’s outstanding voting securities and/or does not have the power to exercise control over the management or policies of such portfolio company. A company is generally presumed to be “controlled” when the Company owns more than 25% of the portfolio company’s outstanding voting securities and/or has the power to exercise control over the management or policies of such portfolio company. The Company classifies this investment as “controlled.”
[21] Investments are held in the taxable wholly-owned, consolidated subsidiary, 54th Street Equity Holdings, Inc.
[22] Investments are held in the taxable wholly-owned, consolidated subsidiary, 54th Street Equity Holdings, Inc.
[23] The provisions of the 1940 Act classify investments further based on the level of ownership that the Company maintains in a particular portfolio company. As defined in the 1940 Act, a company is generally deemed as "non-affiliated" when the Company owns less than 5% of a portfolio company's outstanding voting securities and "affiliated" when the Company owns 5% or more of a portfolio company's outstanding voting securities. The Company classifies this investment as “affiliated.”
[24] The provisions of the 1940 Act classify investments further based on the level of ownership that the Company maintains in a particular portfolio company. As defined in the 1940 Act, a company is generally deemed as "non-affiliated" when the Company owns less than 5% of a portfolio company's outstanding voting securities and "affiliated" when the Company owns 5% or more of a portfolio company's outstanding voting securities. The Company classifies this investment as “affiliated.”
[25] All of the Company's investments, except the investments noted by this footnote, are qualifying assets under Section 55(a) of the Investment Company Act of 1940, as amended (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. At March 31, 2026, qualifying assets represent 92.3% of the Company's total assets.
[26] All of the Company's investments, except the investments noted by this footnote, are qualifying assets under Section 55(a) of the Investment Company Act of 1940, as amended (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. At December 31, 2025, qualifying assets represent 92.2% of the Company's total assets.
[27] The Company's investment falls under the definition of a significant subsidiary, as it exceeded the threshold of at least one of the tests under Rule 4-08(g), or exceeded the threshold of at least one of the tests under Rule 3-09. See Note 3 for summarized financial information.
[28] The Company's investment falls under the definition of a significant subsidiary, as it exceeded the threshold of at least one of the tests under Rule 4-08(g), or exceeded the threshold of at least one of the tests under Rule 3-09. See Note 3 for summarized financial information.
[29] The investment is on non-accrual status as of December 31, 2025.
[30] The investment is on non-accrual status as of March 31, 2026.
[31] The investment is held through BSP TCAP Acquisition Holdings LP, which is an affiliated acquisition entity. Due to certain restrictions, such as limits on the number of partners allowable within the equity structures of the newly acquired investments, these investments are still held within the acquisition entity as of March 31, 2026.
[32] The investment is held through BSP TCAP Acquisition Holdings LP, which is an affiliated acquisition entity. Due to certain restrictions, such as limits on the number of partners allowable within the equity structures of the newly acquired investments, these investments are still held within the acquisition entity as of December 31, 2025.
[33] The Collateralized Securities - subordinated notes are treated as equity investments and are entitled to recurring distributions which are generally equal to the remaining cash flow of the payments made by the underlying fund’s securities less contractual payments to debt holders and fund expenses. The estimated yield indicated is based upon a current projection of the amount and timing of these recurring distributions and the estimated amount of repayment of principal upon termination. Such projections are periodically reviewed and adjusted, and the estimated yield may not ultimately be realized.
[34] The Collateralized Securities - subordinated notes are treated as equity investments and are entitled to recurring distributions which are generally equal to the remaining cash flow of the payments made by the underlying fund’s securities less contractual payments to debt holders and fund expenses. The estimated yield indicated is based upon a current projection of the amount and timing of these recurring distributions and the estimated amount of repayment of principal upon termination. Such projections are periodically reviewed and adjusted, and the estimated yield may not ultimately be realized.