v3.26.1
Consolidated Schedule of Investments (Parenthetical)
€ in Millions, $ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
Schedule of Investments [Line Items]      
Notional Amount $ 5,837,989,000   $ 5,837,989,000
Fair value, net (18,526,000)   24,680,000
Upfront payments/receipts 0   0
Change in unrealized appreciation (depreciation) (18,526,000) [1]   $ 86,535,000
Derivative Gain (Loss) Statement of Income or Comprehensive Income Extensible Enumeration Not Disclosed Flag     Unrealized Appreciation / (Depreciation)(i)
Unfunded Commitment $ 5,431,921,000   $ 5,301,647,000
Non-qualifying assets as a percent of total assets 14.00%   13.30%
Restricted investments, fair value $ 2,600,000,000   $ 2,210,000,000
Restricted investments as a percentage of net assets 13.60%   11.20%
Unrealized gain (loss) for U.S. federal income tax purposes $ (441,400,000)   $ (9,400,000)
Cost for income tax purposes 35,940,000,000   35,900,000,000
Unrealized loss for U.S. federal income tax purposes 727,300,000   358,100,000
Unrealized gain for U.S. federal income tax purposes 285,900,000   348,700,000
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [2],[3] 35,918,948,000    
Net Change in Unrealized Gain/(Loss) (437,260,000) $ (60,810,000)  
Realized Gain/(Loss) (67,127,000) (57,865,000)  
Ending balance 35,500,450,000 [4],[5]   35,918,948,000 [2],[3]
Amortized Cost $ 36,024,256,000 [4],[5],[6],[7]   $ 35,983,158,000 [2],[3],[8],[9]
% of Net Assets 185.40% [4],[5]   181.80% [2],[3]
Derivatives designated as hedges:      
Schedule of Investments [Line Items]      
Notional Amount $ 5,800,000,000   $ 5,800,000,000
September 2027 Notes | Derivative liabilities | Unsecured debt investments      
Schedule of Investments [Line Items]      
Fair value, net $ (3,800,000)   $ (800,000)
September 2027 Notes | Derivative liabilities | Derivatives designated as hedges:      
Schedule of Investments [Line Items]      
Fixed interest rate 7.75% [10],[11],[12]   7.75% [13],[14],[15]
September 2027 Notes | Derivative liabilities | Derivatives designated as hedges: | Unsecured debt investments      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.33% [10],[11],[12]   4.33% [13],[14],[15]
Notional Amount $ 600,000,000 [10],[11],[12]   $ 600,000,000 [13],[14],[15]
Fair value, net (3,791,000) [10],[11],[12]   (768,000) [13],[14],[15]
Upfront payments/receipts 0 [10],[11],[12]   0 [13],[14],[15]
Change in unrealized appreciation (depreciation) (3,791,000) [1],[10],[11],[12]   (768,000) [13],[14],[15]
AUD 2027 Notes | Derivative liabilities | Unsecured debt investments      
Schedule of Investments [Line Items]      
Fair value, net $ 3,900,000   $ (2,100,000)
AUD 2027 Notes | Derivative liabilities | Derivatives designated as hedges:      
Schedule of Investments [Line Items]      
Fixed interest rate 6.50% [10],[12],[16]   6.50% [13],[15],[17]
AUD 2027 Notes | Derivative liabilities | Derivatives designated as hedges: | Unsecured debt investments      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.72% [10],[12],[16]   2.72% [13],[15],[17]
Notional Amount $ 46,993,000 [10],[12],[16]   $ 46,993,000 [13],[15],[17]
Fair value, net (688,000) [10],[12],[16]   (231,000) [13],[15],[17]
Upfront payments/receipts 0 [10],[12],[16]   0 [13],[15],[17]
Change in unrealized appreciation (depreciation) $ (688,000) [1],[10],[12],[16]   $ (184,000) [13],[15],[17]
AUD 2027 Notes | Cross-currency swap | Derivatives designated as hedges:      
Schedule of Investments [Line Items]      
Fixed interest rate 6.50% [10],[11],[12],[18]   6.50% [13],[14],[15],[19]
AUD 2027 Notes | Cross-currency swap | Derivatives designated as hedges: | Unsecured debt investments      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.67% [10],[11],[12],[18]   2.67% [13],[14],[15],[19]
Notional Amount $ 253,778,000 [10],[11],[12],[18]   $ 253,778,000 [13],[14],[15],[19]
Fair value, net 4,613,000 [10],[11],[12],[18]   (1,902,000) [13],[14],[15],[19]
Upfront payments/receipts 0 [10],[11],[12],[18]   0 [13],[14],[15],[19]
Change in unrealized appreciation (depreciation) 4,613,000 [1],[10],[11],[12],[18]   18,733,000 [13],[14],[15],[19]
May 2028 Notes | Derivative liabilities | Unsecured debt investments      
Schedule of Investments [Line Items]      
Fair value, net $ 500,000   $ 3,900,000
May 2028 Notes | Derivative liabilities | Derivatives designated as hedges:      
Schedule of Investments [Line Items]      
Fixed interest rate 5.90% [10],[11],[20]   5.90% [13],[14],[21]
May 2028 Notes | Derivative liabilities | Derivatives designated as hedges: | Unsecured debt investments      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.18% [10],[11],[20]   2.18% [13],[14],[21]
Notional Amount $ 500,000,000 [10],[11],[20]   $ 500,000,000 [13],[14],[21]
Fair value, net 514,000 [10],[11],[20]   3,936,000 [13],[14],[21]
Upfront payments/receipts 0 [10],[11],[20]   0 [13],[14],[21]
Change in unrealized appreciation (depreciation) 514,000 [1],[10],[11],[20]   3,936,000 [13],[14],[21]
June 2028 Notes | Derivative liabilities | Unsecured debt investments      
Schedule of Investments [Line Items]      
Fair value, net $ (4,000,000.0)   $ 100,000
June 2028 Notes | Derivative liabilities | Derivatives designated as hedges:      
Schedule of Investments [Line Items]      
Fixed interest rate 7.95% [10],[11],[22]   7.95% [13],[14],[23]
June 2028 Notes | Derivative liabilities | Derivatives designated as hedges: | Unsecured debt investments      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.49% [10],[11],[22]   4.49% [13],[14],[23]
Notional Amount $ 650,000,000 [10],[11],[22]   $ 650,000,000 [13],[14],[23]
Fair value, net (4,021,000) [10],[11],[22]   70,000 [13],[14],[23]
Upfront payments/receipts 0 [10],[11],[22]   0 [13],[14],[23]
Change in unrealized appreciation (depreciation) (4,021,000) [1],[10],[11],[22]   70,000 [13],[14],[23]
January 2029 Notes | Derivative liabilities | Unsecured debt investments      
Schedule of Investments [Line Items]      
Fair value, net $ (2,600,000)   $ 10,000,000.0
January 2029 Notes | Derivative liabilities | Derivatives designated as hedges:      
Schedule of Investments [Line Items]      
Fixed interest rate 7.75% [10],[11],[12]   7.75% [13],[14],[15]
January 2029 Notes | Derivative liabilities | Derivatives designated as hedges: | Unsecured debt investments      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.23% [10],[11],[12]   3.65% [13],[14],[15]
Notional Amount $ 550,000,000 [10],[11],[12]   $ 550,000,000 [13],[14],[15]
Fair value, net (2,639,000) [10],[11],[12]   10,005,000 [13],[14],[15]
Upfront payments/receipts 0 [10],[11],[12]   0 [13],[14],[15]
Change in unrealized appreciation (depreciation) (2,639,000) [1],[10],[11],[12]   10,404,000 [13],[14],[15]
September 2029 Notes | Derivative liabilities | Unsecured debt investments      
Schedule of Investments [Line Items]      
Fair value, net $ 16,400,000   $ 23,900,000
September 2029 Notes | Derivative liabilities | Derivatives designated as hedges:      
Schedule of Investments [Line Items]      
Fixed interest rate 6.60% [10],[11],[12]   6.60% [13],[14],[15]
September 2029 Notes | Derivative liabilities | Derivatives designated as hedges: | Unsecured debt investments      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.39% [10],[11],[12]   2.39% [13],[14],[15]
Notional Amount $ 900,000,000 [10],[11],[12]   $ 900,000,000 [13],[14],[15]
Fair value, net 16,446,000 [10],[11],[12]   23,947,000 [13],[14],[15]
Upfront payments/receipts 0 [10],[11],[12]   0 [13],[14],[15]
Change in unrealized appreciation (depreciation) 16,446,000 [1],[10],[11],[12]   20,202,000 [13],[14],[15]
March 2030 Notes | Derivative liabilities | Unsecured debt investments      
Schedule of Investments [Line Items]      
Fair value, net $ (17,600,000)   $ (11,800,000)
March 2030 Notes | Derivative liabilities | Derivatives designated as hedges:      
Schedule of Investments [Line Items]      
Fixed interest rate 5.80% [10],[11],[12]   5.80% [13],[14],[15]
March 2030 Notes | Derivative liabilities | Derivatives designated as hedges: | Unsecured debt investments      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.62% [10],[11],[12]   2.62% [13],[14],[15]
Notional Amount $ 1,000,000,000 [10],[11],[12]   $ 1,000,000,000 [13],[14],[15]
Fair value, net (17,648,000) [10],[11],[12]   (11,766,000) [13],[14],[15]
Upfront payments/receipts 0 [10],[11],[12]   0 [13],[14],[15]
Change in unrealized appreciation (depreciation) (17,648,000) [1],[10],[11],[12]   32,753,000 [13],[14],[15]
EUR 2031 Notes | Derivative liabilities | Unsecured debt investments      
Schedule of Investments [Line Items]      
Fair value, net $ (13,700,000)   $ (6,300,000)
EUR 2031 Notes | Derivative liabilities | Derivatives designated as hedges:      
Schedule of Investments [Line Items]      
Fixed interest rate 4.25% [10],[20],[24]   4.25% [13],[21],[25]
EUR 2031 Notes | Derivative liabilities | Derivatives designated as hedges: | Unsecured debt investments      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 1.93% [10],[20],[24]   1.93% [13],[21],[25]
Notional Amount $ 587,218,000 [10],[20],[24]   $ 587,218,000 [13],[21],[25]
Fair value, net (13,652,000) [10],[20],[24]   (6,328,000) [13],[21],[25]
Upfront payments/receipts 0 [10],[20],[24]   0 [13],[21],[25]
Change in unrealized appreciation (depreciation) (13,652,000) [1],[10],[20],[24]   (6,328,000) [13],[21],[25]
March 2031 Notes | Derivative liabilities | Unsecured debt investments      
Schedule of Investments [Line Items]      
Fair value, net $ 2,300,000   $ 7,700,000
March 2031 Notes | Derivative liabilities | Derivatives designated as hedges:      
Schedule of Investments [Line Items]      
Fixed interest rate 6.65% [10],[11],[20]   6.65% [13],[14],[21]
March 2031 Notes | Derivative liabilities | Derivatives designated as hedges: | Unsecured debt investments      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.90% [10],[11],[20]   2.90% [13],[14],[21]
Notional Amount $ 750,000,000 [10],[11],[20]   $ 750,000,000 [13],[14],[21]
Fair value, net 2,340,000 [10],[11],[20]   7,717,000 [13],[14],[21]
Upfront payments/receipts 0 [10],[11],[20]   0 [13],[14],[21]
Change in unrealized appreciation (depreciation) 2,340,000 [1],[10],[11],[20]   7,717,000 [13],[14],[21]
Controlled, affiliated investments      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 1,517,562,000 985,744,000 985,744,000
Gross Additions 427,301,000 [26]   732,001,000 [27]
Gross Reductions (23,491,000) [28]   (215,990,000) [29],[30]
Net Change in Unrealized Gain/(Loss) (44,058,000) (6,275,000) 15,807,000
Realized Gain/(Loss)     0
Ending balance 1,877,314,000   1,517,562,000
PIK dividend income 30,776,000   93,298,000
Interest and PIK Income 6,253,000   14,144,000
Other income 195,000 0 2,000
Amortized Cost $ 1,872,815,000 [6],[7]   $ 1,469,006,000 [8],[9]
% of Net Assets 9.80%   7.70%
Non-controlled, affiliated investments      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance $ 16,564,000 8,248,000 $ 8,248,000
Gross Additions 6,000 [26]   9,129,000 [27]
Gross Reductions (3,000) [28]   (617,000) [29],[30]
Net Change in Unrealized Gain/(Loss) (606,000) (82,000) (196,000)
Realized Gain/(Loss)     0
Ending balance 15,961,000   16,564,000
PIK dividend income 25,000   470,000
Interest and PIK Income 214,000   207,000
Other income 1,000 0 3,000
Amortized Cost $ 16,820,000 [6],[7]   $ 16,817,000 [8],[9]
% of Net Assets 0.10%   0.10%
Investment, Identifier [Axis]: 25CXBFS SCSP (dba Xplor) | Limited Partner Interest | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[34] $ 10,000,000    
Ending balance 10,000,000 [35],[36],[37],[38]   $ 10,000,000 [31],[32],[33],[34]
Amortized Cost 10,042,000 [6],[7],[35],[36],[37],[38]   10,000,000 [8],[9],[31],[32],[33],[34]
Investment, Identifier [Axis]: AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC | Specialty finance debt investment | Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[39],[40],[41] 58,702,000    
Ending balance 60,057,000 [35],[38],[42],[43],[44]   58,702,000 [31],[34],[39],[40],[41]
Amortized Cost 60,057,000 [6],[7],[35],[38],[42],[43],[44]   58,702,000 [8],[9],[31],[34],[39],[40],[41]
Investment, Identifier [Axis]: AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC | Specialty finance equity investment      
Schedule of Investments [Line Items]      
Funded Commitment 27,363,000   26,517,000
Unfunded Commitment 36,471,000   38,809,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC | Specialty finance equity investment | Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[34],[40],[41],[47] 34,762,000    
Ending balance 33,249,000 [35],[36],[37],[38],[43],[44],[48]   34,762,000 [31],[32],[33],[34],[40],[41],[47]
Amortized Cost 27,403,000 [6],[7],[35],[36],[37],[38],[43],[44],[48]   26,557,000 [8],[9],[31],[32],[33],[34],[40],[41],[47]
Investment, Identifier [Axis]: AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC(c)      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [49] 93,464,000 75,112,000 75,112,000
Gross Additions 2,201,000 [26],[50]   13,778,000 [27],[49]
Gross Reductions 0 [28],[50]   (86,000) [29],[30],[49]
Net Change in Unrealized Gain/(Loss) (2,359,000) [50]   4,660,000 [49]
Realized Gain/(Loss) [49]     0
Ending balance 93,306,000 [50]   93,464,000 [49]
PIK dividend income 0 [50]   0 [49]
Interest and PIK Income 1,763,000 [50]   6,328,000 [49]
Other income 0 [50]   0 [49]
Investment, Identifier [Axis]: AAM Series 2.1 Aviation Feeder, LLC | Specialty finance debt investment | Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[39],[40],[41] 76,098,000    
Ending balance 76,739,000 [35],[38],[42],[43],[44]   76,098,000 [31],[34],[39],[40],[41]
Amortized Cost 76,739,000 [6],[7],[35],[38],[42],[43],[44]   76,098,000 [8],[9],[31],[34],[39],[40],[41]
Investment, Identifier [Axis]: AAM Series 2.1 Aviation Feeder, LLC | Specialty finance equity investment | Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[34],[40],[41] 46,607,000    
Ending balance 46,172,000 [35],[36],[37],[38],[43],[44]   46,607,000 [31],[32],[33],[34],[40],[41]
Amortized Cost 30,941,000 [6],[7],[35],[36],[37],[38],[43],[44]   29,448,000 [8],[9],[31],[32],[33],[34],[40],[41]
Investment, Identifier [Axis]: AAM Series 2.1 Aviation Feeder, LLC(c)      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [49] 122,705,000 77,680,000 77,680,000
Gross Additions 2,378,000 [26],[50]   36,408,000 [27],[49]
Gross Reductions (245,000) [28],[50]   (2,132,000) [29],[30],[49]
Net Change in Unrealized Gain/(Loss) (1,927,000) [50]   10,749,000 [49]
Realized Gain/(Loss) [49]     0
Ending balance 122,911,000 [50]   122,705,000 [49]
PIK dividend income 0 [50]   0 [49]
Interest and PIK Income 2,281,000 [50]   7,500,000 [49]
Other income $ 0 [50]   $ 0 [49]
Investment, Identifier [Axis]: ABB/Con-cise Optical Group LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 7.50% [35],[43],[51]   7.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 33,057,000    
Ending balance 33,057,000 [35],[43],[51]   $ 33,057,000 [31],[40],[52]
Amortized Cost $ 33,112,000 [6],[7],[35],[43],[51]   $ 33,089,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: ABF - Leasing      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
% of Net Assets 32.00%   33.00%
Investment, Identifier [Axis]: ABF - Specialty finance      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
% of Net Assets 65.60%   62.00%
Investment, Identifier [Axis]: ACP Tara Holdings, Inc. (dba Arcadia) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[52]     3.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 5,025,000    
Ending balance [31],[40],[52]     $ 5,025,000
Amortized Cost [8],[9],[31],[40],[52]     4,988,000
Investment, Identifier [Axis]: ACR Group Borrower, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 352,000   0
Unfunded Fair Value (7,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: AI Aqua Merger Sub, Inc. (dba Culligan) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [40],[52]     3.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] 15,973,000    
Ending balance [40],[52]     $ 15,973,000
Amortized Cost [8],[9],[40],[52]     15,945,000
Investment, Identifier [Axis]: AI Titan Parent, Inc. (dba Prometheus Group) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 1,528,000   1,528,000
Unfunded Commitment 5,264,000   5,264,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: AI Titan Parent, Inc. (dba Prometheus Group) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[48],[53]   4.50% [31],[40],[47],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 35,110,000    
Ending balance 34,294,000 [35],[43],[48],[53]   $ 35,110,000 [31],[40],[47],[54]
Amortized Cost 35,180,000 [6],[7],[35],[43],[48],[53]   35,168,000 [8],[9],[31],[40],[47],[54]
Investment, Identifier [Axis]: AI Titan Parent, Inc. (dba Prometheus Group) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 5,565,000   0
Unfunded Commitment 27,827,000   4,245,000
Unfunded Fair Value $ 0 [45]   $ (42,000) [46]
Investment, Identifier [Axis]: AQ Carver Buyer, Inc. (dba CoAdvantage) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.50% [35],[43],[55]   5.50% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 20,868,000    
Ending balance 17,166,000 [35],[43],[55]   $ 20,868,000 [40],[52]
Amortized Cost 21,650,000 [6],[7],[35],[43],[55]   21,687,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: ASP Conair Holdings LP | Class A Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 151,000    
Ending balance 72,000 [35],[36],[37],[43]   151,000 [31],[32],[33],[40]
Amortized Cost $ 929,000 [6],[7],[35],[36],[37],[43]   $ 929,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: AWP Group Holdings, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[48],[51]   4.50% [31],[40],[47],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 43,874,000    
Ending balance 44,786,000 [35],[43],[48],[51]   $ 43,874,000 [31],[40],[47],[54]
Amortized Cost 45,260,000 [6],[7],[35],[43],[48],[51]   44,349,000 [8],[9],[31],[40],[47],[54]
Investment, Identifier [Axis]: AWP Group Holdings, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   2,757,000
Unfunded Commitment 43,084,000   3,048,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Accelerate Topco Holdings, LLC | Common Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 4,055,000    
Ending balance 3,454,000 [35],[36],[37],[43]   4,055,000 [31],[32],[33],[40]
Amortized Cost $ 2,535,000 [6],[7],[35],[36],[37],[43]   $ 2,535,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: Access CIG, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.00% [43],[51]   4.00% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 75,274,000    
Ending balance 70,178,000 [43],[51]   $ 75,274,000 [40],[54]
Amortized Cost $ 78,011,000 [6],[7],[43],[51]   $ 78,207,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Accommodations Plus Technologies LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[43],[51]   5.25% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 7,983,000    
Ending balance 7,822,000 [35],[43],[51]   $ 7,983,000 [31],[40],[52]
Amortized Cost 8,011,000 [6],[7],[35],[43],[51]   8,029,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Accommodations Plus Technologies LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 44,919,000   1,250,000
Unfunded Fair Value $ 0 [45]   $ (11,000) [46]
Investment, Identifier [Axis]: Acrisure, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [43],[53]   3.00% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 58,483,000    
Ending balance 56,535,000 [43],[53]   $ 58,483,000 [40],[54]
Amortized Cost $ 58,448,000 [6],[7],[43],[53]   $ 58,594,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Acrisure, LLC | Unsecured notes | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 8.50% [35],[38],[42],[43]   8.50% [31],[34],[39],[40]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[39],[40] $ 19,180,000    
Ending balance 18,169,000 [35],[38],[42],[43]   $ 19,180,000 [31],[34],[39],[40]
Amortized Cost $ 18,375,000 [6],[7],[35],[38],[42],[43]   $ 18,375,000 [8],[9],[31],[34],[39],[40]
Investment, Identifier [Axis]: Activate Holdings (US) Corp. (dba Absolute Software) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[38],[43],[51]   5.25% [31],[34],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[52] $ 5,653,000    
Ending balance 5,526,000 [35],[38],[43],[51]   $ 5,653,000 [31],[34],[40],[52]
Amortized Cost 5,621,000 [6],[7],[35],[38],[43],[51]   5,635,000 [8],[9],[31],[34],[40],[52]
Investment, Identifier [Axis]: Activate Holdings (US) Corp. (dba Absolute Software) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 4,245,000   352,000
Unfunded Fair Value $ (127,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Advancion Holdings, LLC (fka Aruba Investments Holdings, LLC) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.00% [43],[51]   4.00% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 17,169,000    
Ending balance 17,948,000 [43],[51]   $ 17,169,000 [31],[40],[54]
Amortized Cost $ 18,692,000 [6],[7],[43],[51]   $ 18,723,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Advancion Holdings, LLC (fka Aruba Investments Holdings, LLC) | Second lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 7.75% [35],[43],[51]   7.75% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 35,823,000    
Ending balance 36,023,000 [35],[43],[51]   $ 35,823,000 [31],[40],[54]
Amortized Cost 40,131,000 [6],[7],[35],[43],[51]   40,130,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Aerosmith Bidco 1 Limited (dba Audiotonix) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 108,341,000   108,341,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Aerosmith Bidco 1 Limited (dba Audiotonix) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[38],[43],[51]   5.25% [31],[34],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[52] $ 341,349,000    
Ending balance 341,349,000 [35],[38],[43],[51]   $ 341,349,000 [31],[34],[40],[52]
Amortized Cost 337,782,000 [6],[7],[35],[38],[43],[51]   337,652,000 [8],[9],[31],[34],[40],[52]
Investment, Identifier [Axis]: Aerosmith Bidco 1 Limited (dba Audiotonix) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 12,500,000   44,919,000
Unfunded Fair Value $ (394,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Alera Group, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.75% [43],[51]   3.25% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 45,081,000    
Ending balance 33,704,000 [43],[51]   $ 45,081,000 [40],[54]
Amortized Cost 34,800,000 [6],[7],[43],[51]   44,678,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Alera Group, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 16,528,000   12,500,000
Unfunded Fair Value $ (372,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Alera Group, Inc. | Second lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.50% [43],[53]   5.50% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 126,907,000    
Ending balance 120,413,000 [43],[53]   $ 126,907,000 [40],[54]
Amortized Cost 124,420,000 [6],[7],[43],[53]   124,095,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Allied Benefit Systems Intermediate LLC | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 2,482,000   2,482,000
Unfunded Fair Value $ (19,000) [45]   $ (6,000) [46]
Investment, Identifier [Axis]: Allied Benefit Systems Intermediate LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[51]   5.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 36,032,000    
Ending balance 35,761,000 [35],[43],[51]   $ 36,032,000 [31],[40],[52]
Amortized Cost 36,048,000 [6],[7],[35],[43],[51]   36,135,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: AlphaSense, Inc. | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 716,000   716,000
Unfunded Fair Value $ (5,000) [45]   $ (2,000) [46]
Investment, Identifier [Axis]: AlphaSense, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.25% [35],[43],[51]   6.25% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 3,525,000    
Ending balance 3,507,000 [35],[43],[51]   $ 3,525,000 [31],[40],[52]
Amortized Cost 3,509,000 [6],[7],[35],[43],[51]   3,507,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: AlphaSense, LLC | Series E Preferred Shares | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 1,055,000    
Ending balance 1,291,000 [35],[36],[37],[43]   1,055,000 [31],[32],[33],[40]
Amortized Cost $ 765,000 [6],[7],[35],[36],[37],[43]   $ 765,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: AmSpec Parent, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.50% [43],[51]   3.50% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 39,808,000    
Ending balance 3,243,000 [43],[51]   $ 39,808,000 [40],[52]
Amortized Cost 3,257,000 [6],[7],[43],[51]   39,803,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: Amergin Asset Management, LLC | Specialty finance equity investment | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 2,137,000    
Ending balance 1,969,000 [35],[36],[37],[43]   2,137,000 [31],[32],[33],[40]
Amortized Cost 1,000 [6],[7],[35],[36],[37],[43]   1,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: AmeriLife Holdings LLC | First lien senior secured delayed draw term loan 1      
Schedule of Investments [Line Items]      
Funded Commitment 30,708,000   0
Unfunded Commitment 1,409,000   34,240,000
Unfunded Fair Value 0 [45]   (86,000) [46]
Investment, Identifier [Axis]: AmeriLife Holdings LLC | First lien senior secured delayed draw term loan 2      
Schedule of Investments [Line Items]      
Funded Commitment 0   30,785,000
Unfunded Commitment 34,240,000   1,409,000
Unfunded Fair Value $ (257,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: AmeriLife Holdings LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[48],[51]   5.00% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 315,346,000    
Ending balance 312,956,000 [35],[43],[48],[51]   $ 315,346,000 [31],[40],[47],[52]
Amortized Cost 313,482,000 [6],[7],[35],[43],[48],[51]   314,115,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: AmeriLife Holdings LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   5,565,000
Unfunded Commitment 9,022,000   27,827,000
Unfunded Fair Value $ (90,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: AmeriLife Holdings LLC | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[48],[51]   5.00% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 5,398,000    
Ending balance 5,232,000 [35],[43],[48],[51]   $ 5,398,000 [31],[40],[47],[52]
Amortized Cost $ 5,375,000 [6],[7],[35],[43],[48],[51]   $ 5,356,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Anaplan, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[51]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 262,329,000    
Ending balance 255,782,000 [35],[43],[51]   $ 262,329,000 [31],[40],[52]
Amortized Cost 261,670,000 [6],[7],[35],[43],[51]   262,329,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Anaplan, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 1,633,000   16,528,000
Unfunded Fair Value (57,000) [45]   0 [46]
Investment, Identifier [Axis]: Anesthesia Consulting & Management, LP | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 7,715,000   7,715,000
Unfunded Fair Value $ (39,000) [45]   $ (39,000) [46]
Investment, Identifier [Axis]: Anesthesia Consulting & Management, LP | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[55]   5.00% [31],[40],[56]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[56] $ 53,302,000    
Ending balance 53,169,000 [35],[43],[55]   $ 53,302,000 [31],[40],[56]
Amortized Cost 53,399,000 [6],[7],[35],[43],[55]   53,488,000 [8],[9],[31],[40],[56]
Investment, Identifier [Axis]: Anesthesia Consulting & Management, LP | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 1,942,000   0
Unfunded Commitment 6,555,000   9,022,000
Unfunded Fair Value $ 0 [45]   $ (90,000) [46]
Investment, Identifier [Axis]: Apex Group Treasury LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.50% [38],[43],[51]   3.50% [34],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [34],[40],[52] $ 128,808,000    
Ending balance 124,362,000 [38],[43],[51]   $ 128,808,000 [34],[40],[52]
Amortized Cost 136,322,000 [6],[7],[38],[43],[51]   136,647,000 [8],[9],[34],[40],[52]
Investment, Identifier [Axis]: Appfire Technologies, LLC | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 27,000   0
Unfunded Commitment 2,661,000   2,688,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Appfire Technologies, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[48],[51]   4.75% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 14,686,000    
Ending balance 13,743,000 [35],[43],[48],[51]   $ 14,686,000 [31],[40],[47],[52]
Amortized Cost 14,263,000 [6],[7],[35],[43],[48],[51]   14,630,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Appfire Technologies, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 3,906,000   350,000
Unfunded Commitment 7,930,000   1,283,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Aptean Acquiror, Inc. (dba Aptean) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 9,699,000   10,410,000
Unfunded Fair Value $ (291,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Aptean Acquiror, Inc. (dba Aptean) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[48],[51]   4.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 121,216,000    
Ending balance 119,334,000 [35],[43],[48],[51]   $ 121,216,000 [31],[40],[52]
Amortized Cost 122,600,000 [6],[7],[35],[43],[48],[51]   120,271,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Aptean Acquiror, Inc. (dba Aptean) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 1,148,000   2,428,000
Unfunded Commitment 15,255,000   6,069,000
Unfunded Fair Value 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Aptean Acquiror, Inc. (dba Aptean) | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[47],[54]     4.65%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 2,428,000    
Ending balance [31],[40],[47],[54]     $ 2,428,000
Amortized Cost [8],[9],[31],[40],[47],[54]     $ 2,370,000
Investment, Identifier [Axis]: Aramsco, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [43],[51]   4.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 33,225,000    
Ending balance 33,848,000 [43],[51]   $ 33,225,000 [31],[40],[52]
Amortized Cost $ 48,800,000 [6],[7],[43],[51]   48,894,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Arc Falcon I Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [43],[53] 4.50%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [43],[53] $ 7,127,000    
Amortized Cost [6],[7],[43],[53] 7,142,000    
Investment, Identifier [Axis]: Arctic Holdco, LLC (dba Novvia Group) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 10,897,000   10,925,000
Unfunded Commitment 6,747,000   6,747,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Arctic Holdco, LLC (dba Novvia Group) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[43],[48],[51]   5.25% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 165,598,000    
Ending balance 163,924,000 [35],[43],[48],[51]   $ 165,598,000 [31],[40],[47],[52]
Amortized Cost 164,511,000 [6],[7],[35],[43],[48],[51]   164,905,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Arctic Holdco, LLC (dba Novvia Group) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   2,130,000
Unfunded Commitment 2,710,000   9,706,000
Unfunded Fair Value $ (28,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Arctic Holdco, LLC (dba Novvia Group) | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[43],[48],[51]   5.25% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 2,130,000    
Ending balance 3,817,000 [35],[43],[48],[51]   $ 2,130,000 [31],[40],[47],[52]
Amortized Cost 3,858,000 [6],[7],[35],[43],[48],[51]   2,080,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Arctic US Bidco, Inc. (dba ThermoSafe) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 49,208,000   49,208,000
Unfunded Fair Value $ (246,000) [45]   $ (123,000) [46]
Investment, Identifier [Axis]: Arctic US Bidco, Inc. (dba ThermoSafe) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[48],[51]   4.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 81,604,000    
Ending balance 82,178,000 [35],[43],[48],[51]   $ 81,604,000 [31],[40],[52]
Amortized Cost 82,693,000 [6],[7],[35],[43],[48],[51]   81,611,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Arctic US Bidco, Inc. (dba ThermoSafe) | First lien senior secured multi-currency revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 15,983,000   16,403,000
Unfunded Fair Value $ (200,000) [45]   $ (82,000) [46]
Investment, Identifier [Axis]: Ardonagh Midco 3 PLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.75% [38],[43],[51]   2.75% [34],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [34],[40],[52] $ 15,128,000    
Ending balance 14,767,000 [38],[43],[51]   $ 15,128,000 [34],[40],[52]
Amortized Cost $ 15,137,000 [6],[7],[38],[43],[51]   $ 15,175,000 [8],[9],[34],[40],[52]
Investment, Identifier [Axis]: Armstrong Bidco Limited | First lien senior secured GBP term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[38],[43],[57]   5.25% [31],[34],[40],[58]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[58] $ 54,113,000    
Ending balance 51,720,000 [35],[38],[43],[57]   $ 54,113,000 [31],[34],[40],[58]
Amortized Cost 49,112,000 [6],[7],[35],[38],[43],[57]   49,062,000 [8],[9],[31],[34],[40],[58]
Investment, Identifier [Axis]: Artifact Bidco, Inc. (dba Avetta) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 3,793,000   3,793,000
Unfunded Fair Value $ (19,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Artifact Bidco, Inc. (dba Avetta) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.15% [35],[43],[51]   4.15% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 15,498,000    
Ending balance 15,343,000 [35],[43],[51]   $ 15,498,000 [31],[40],[52]
Amortized Cost 15,436,000 [6],[7],[35],[43],[51]   15,434,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Artifact Bidco, Inc. (dba Avetta) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 25,389,000   2,710,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Ascend Buyer, LLC (dba PPC Flexible Packaging) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[43],[48],[51]   5.25% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 91,649,000    
Ending balance 90,429,000 [35],[43],[48],[51]   $ 91,649,000 [31],[40],[47],[52]
Amortized Cost 90,786,000 [6],[7],[35],[43],[48],[51]   90,963,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Ascend Buyer, LLC (dba PPC Flexible Packaging) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   1,146,000
Unfunded Commitment 7,697,000   7,041,000
Unfunded Fair Value $ (77,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Ascensus Holdings, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [43],[53]   3.00% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 26,655,000    
Ending balance 6,586,000 [43],[53]   $ 26,655,000 [40],[54]
Amortized Cost 6,684,000 [6],[7],[43],[53]   26,636,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Associations Finance, Inc. | Unsecured notes | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[39],[40] 189,630,000    
Ending balance 196,386,000 [35],[42],[43]   189,630,000 [31],[39],[40]
Amortized Cost 195,486,000 [6],[7],[35],[42],[43]   188,690,000 [8],[9],[31],[39],[40]
Investment, Identifier [Axis]: Associations, Inc. | First lien senior secured delayed draw term loan 1      
Schedule of Investments [Line Items]      
Funded Commitment 15,534,000   45,399,000
Unfunded Commitment 22,848,000   36,254,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Associations, Inc. | First lien senior secured delayed draw term loan 2      
Schedule of Investments [Line Items]      
Funded Commitment 62,873,000   13,526,000
Unfunded Commitment 18,780,000   24,896,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Associations, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.50% [35],[43],[48],[51]   6.50% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 535,763,000    
Ending balance 554,035,000 [35],[43],[48],[51]   $ 535,763,000 [31],[40],[47],[52]
Amortized Cost 553,427,000 [6],[7],[35],[43],[48],[51]   535,103,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Associations, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 3,773,000   0
Unfunded Commitment 2,032,000   25,389,000
Unfunded Fair Value 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Asurion, LLC | Second lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [40],[54]     5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] 77,437,000    
Ending balance [40],[54]     $ 77,437,000
Amortized Cost [8],[9],[40],[54]     $ 76,546,000
Investment, Identifier [Axis]: Athenahealth Group Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [40],[54]     2.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 9,129,000    
Ending balance [40],[54]     $ 9,129,000
Amortized Cost [8],[9],[40],[54]     $ 9,120,000
Investment, Identifier [Axis]: Atlas Borrower, LLC (dba Anovo) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[51]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 93,077,000    
Ending balance 92,610,000 [35],[43],[51]   $ 93,077,000 [31],[40],[52]
Amortized Cost 92,903,000 [6],[7],[35],[43],[51]   93,110,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Atlas Borrower, LLC (dba Anovo) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 1,146,000   0
Unfunded Commitment 7,041,000   15,983,000
Unfunded Fair Value $ 0 [45]   $ (160,000) [46]
Investment, Identifier [Axis]: Atlas US Finco, Inc. (dba Nearmap) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[38],[43],[51]   4.75% [31],[34],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[54] $ 72,737,000    
Ending balance 72,190,000 [35],[38],[43],[51]   $ 72,737,000 [31],[34],[40],[54]
Amortized Cost 72,611,000 [6],[7],[35],[38],[43],[51]   72,776,000 [8],[9],[31],[34],[40],[54]
Investment, Identifier [Axis]: Atlas US Finco, Inc. (dba Nearmap) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 1,995,000   7,697,000
Unfunded Fair Value $ (50,000) [45]   $ (38,000) [46]
Investment, Identifier [Axis]: Aurelia Netherlands B.V. | First lien senior secured EUR term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[38],[43],[59]   4.75% [31],[34],[40],[60]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[60] $ 64,626,000    
Ending balance 63,402,000 [35],[38],[43],[59]   $ 64,626,000 [31],[34],[40],[60]
Amortized Cost $ 62,192,000 [6],[7],[35],[38],[43],[59]   $ 62,192,000 [8],[9],[31],[34],[40],[60]
Investment, Identifier [Axis]: Avalara, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [43],[51] 2.75%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [43],[51] $ 2,434,000    
Amortized Cost [6],[7],[43],[51] $ 2,439,000    
Investment, Identifier [Axis]: Azuria Water Solutions, Inc. (f/k/a Aegion Corporation) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [53]   3.00% [54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [54] $ 36,618,000    
Ending balance 35,987,000 [53]   $ 36,618,000 [54]
Amortized Cost $ 36,388,000 [6],[7],[53]   $ 36,480,000 [8],[9],[54]
Investment, Identifier [Axis]: Azurite Intermediate Holdings, Inc. (dba Alteryx, Inc.) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.00% [35],[43],[53]   6.00% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 17,955,000    
Ending balance 17,506,000 [35],[43],[53]   $ 17,955,000 [31],[40],[54]
Amortized Cost 17,753,000 [6],[7],[35],[43],[53]   17,744,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Azurite Intermediate Holdings, Inc. (dba Alteryx, Inc.) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 20,128,000   1,995,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: BCPE Empire Holdings, Inc. (dba Imperial-Dade) | First lien senior secured loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [43],[53] 3.25%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [43],[53] $ 62,263,000    
Amortized Cost [6],[7],[43],[53] $ 63,283,000    
Investment, Identifier [Axis]: BCPE Empire Holdings, Inc. (dba Imperial-Dade) | First lien senior secured loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [43],[53] 3.50%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [43],[53] $ 130,752,000    
Amortized Cost [6],[7],[43],[53] 131,037,000    
Investment, Identifier [Axis]: BCPE Empire Holdings, Inc. (dba Imperial-Dade) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [40],[54]     3.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 91,351,000    
Ending balance [40],[54]     $ 91,351,000
Amortized Cost [8],[9],[40],[54]     $ 92,465,000
Investment, Identifier [Axis]: BCPE Empire Holdings, Inc. (dba Imperial-Dade) | Second lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[53]   5.25% [31],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[54] $ 281,438,000    
Ending balance 280,012,000 [35],[53]   $ 281,438,000 [31],[54]
Amortized Cost $ 283,104,000 [6],[7],[35],[53]   $ 283,041,000 [8],[9],[31],[54]
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc. (dba PartsSource) | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.75% [35],[43],[48],[53]   5.75% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 25,039,000    
Ending balance 28,919,000 [35],[43],[48],[53]   $ 25,039,000 [31],[40],[54]
Amortized Cost $ 28,978,000 [6],[7],[35],[43],[48],[53]   $ 25,037,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc. (dba PartsSource) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.75% [35],[43],[51]   5.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 51,617,000    
Ending balance 57,901,000 [35],[43],[51]   $ 51,617,000 [31],[40],[52]
Amortized Cost 58,111,000 [6],[7],[35],[43],[51]   51,761,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc. (dba PartsSource) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 887,000   3,879,000
Unfunded Commitment 5,763,000   776,000
Unfunded Fair Value 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: BCPE Osprey Buyer, Inc. (dba PartsSource) | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[47],[54]     5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 3,833,000    
Ending balance [31],[40],[47],[54]     $ 3,833,000
Amortized Cost [8],[9],[31],[40],[47],[54]     $ 3,870,000
Investment, Identifier [Axis]: BCPE Pequod Buyer, Inc. (dba Envestnet) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.75% [43],[51]   3.00% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 27,357,000    
Ending balance 21,955,000 [43],[51]   $ 27,357,000 [40],[54]
Amortized Cost 22,662,000 [6],[7],[43],[51]   27,220,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: BCPE Pequod Buyer, Inc. (dba Envestnet) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 9,677,000   16,634,000
Unfunded Fair Value $ (169,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: BCTO BSI Buyer, Inc. (dba Buildertrend) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.75% [35],[43],[51]   6.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 1,191,000    
Ending balance 70,114,000 [35],[43],[51]   $ 1,191,000 [31],[40],[52]
Amortized Cost 71,360,000 [6],[7],[35],[43],[51]   1,188,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: BCTO BSI Buyer, Inc. (dba Buildertrend) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 24,014,000   161,000
Unfunded Fair Value (120,000) [45]   0 [46]
Investment, Identifier [Axis]: BCTO WIW Holdings, Inc. (dba When I Work) | Senior convertible notes | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[39],[40] 3,823,000    
Ending balance 3,823,000 [35],[42],[43]   3,823,000 [31],[39],[40]
Amortized Cost 3,823,000 [6],[7],[35],[42],[43]   3,823,000 [8],[9],[31],[39],[40]
Investment, Identifier [Axis]: BEHP Co-Investor II, L.P. | LP Interest | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[34],[40] 1,834,000    
Ending balance 1,277,000 [35],[36],[37],[38],[43]   1,834,000 [31],[32],[33],[34],[40]
Amortized Cost $ 157,000 [6],[7],[35],[36],[37],[38],[43]   $ 822,000 [8],[9],[31],[32],[33],[34],[40]
Investment, Identifier [Axis]: BF - Commercial Real Estate      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
% of Net Assets 2.40%   5.00%
Investment, Identifier [Axis]: BTRS Holdings Inc. (dba Billtrust) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.50% [35],[43],[48],[51]   5.50% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 32,298,000    
Ending balance 32,521,000 [35],[43],[48],[51]   $ 32,298,000 [31],[40],[47],[52]
Amortized Cost 33,153,000 [6],[7],[35],[43],[48],[51]   32,049,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: BTRS Holdings Inc. (dba Billtrust) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   2,893,000
Unfunded Commitment 7,025,000   2,170,000
Unfunded Fair Value (228,000) [45]   0 [46]
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 33,479,000   57,843,000
Unfunded Fair Value $ (167,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien senior secured loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[53]   4.75% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 112,859,000    
Ending balance 112,573,000 [35],[43],[53]   $ 112,859,000 [31],[40],[54]
Amortized Cost $ 111,226,000 [6],[7],[35],[43],[53]   $ 111,457,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien senior secured loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[53]   4.25% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 167,068,000    
Ending balance 189,873,000 [35],[43],[53]   $ 167,068,000 [31],[40],[54]
Amortized Cost 191,024,000 [6],[7],[35],[43],[53]   167,108,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Baker Tilly Advisory Group, LP | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 4,547,000   0
Unfunded Commitment 13,789,000   43,084,000
Unfunded Fair Value 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Bally’s Corporation | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [34],[40],[52]     3.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [34],[40],[52] $ 61,586,000    
Ending balance [34],[40],[52]     $ 61,586,000
Amortized Cost [8],[9],[34],[40],[52]     $ 62,019,000
Investment, Identifier [Axis]: Balrog Acquisition, Inc. (dba Bakemark) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.00% [43],[53]   4.00% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 20,732,000    
Ending balance 17,531,000 [43],[53]   $ 20,732,000 [40],[54]
Amortized Cost $ 24,200,000 [6],[7],[43],[53]   $ 24,199,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Balrog Acquisition, Inc. (dba Bakemark) | Second lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 7.00% [35],[43],[53]   7.00% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 4,830,000    
Ending balance 3,690,000 [35],[43],[53]   $ 4,830,000 [31],[40],[54]
Amortized Cost $ 5,973,000 [6],[7],[35],[43],[53]   $ 5,972,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Bamboo US BidCo LLC | First lien senior secured EUR term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[59]   5.00% [31],[40],[60]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[60] $ 71,633,000    
Ending balance 70,102,000 [35],[43],[59]   $ 71,633,000 [31],[40],[60]
Amortized Cost 64,009,000 [6],[7],[35],[43],[59]   64,167,000 [8],[9],[31],[40],[60]
Investment, Identifier [Axis]: Bamboo US BidCo LLC | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   11,195,000
Unfunded Commitment 10,752,000   2,261,000
Unfunded Fair Value (134,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Bamboo US BidCo LLC | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[47],[54]     5.06%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 11,195,000    
Ending balance [31],[40],[47],[54]     $ 11,195,000
Amortized Cost [8],[9],[31],[40],[47],[54]     $ 11,085,000
Investment, Identifier [Axis]: Bamboo US BidCo LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[51]   5.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 126,448,000    
Ending balance 139,593,000 [35],[43],[51]   $ 126,448,000 [31],[40],[52]
Amortized Cost 139,244,000 [6],[7],[35],[43],[51]   126,201,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Bamboo US BidCo LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 3,996,000   0
Unfunded Commitment 1,319,000   20,128,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Barracuda Parent, LLC | First lien senior secured loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [43],[51]   4.50% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 11,308,000    
Ending balance 8,838,000 [43],[51]   $ 11,308,000 [40],[52]
Amortized Cost $ 13,740,000 [6],[7],[43],[51]   $ 13,761,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: Barracuda Parent, LLC | First lien senior secured loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.50% [35],[43],[51]   6.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 30,022,000    
Ending balance 24,137,000 [35],[43],[51]   $ 30,022,000 [31],[40],[52]
Amortized Cost $ 33,330,000 [6],[7],[35],[43],[51]   $ 33,282,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Barracuda Parent, LLC | Second lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 7.00% [43],[51]   7.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 67,606,000    
Ending balance 30,278,000 [43],[51]   $ 67,606,000 [31],[40],[52]
Amortized Cost 91,413,000 [6],[7],[43],[51]   91,333,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Baypine Commander Co-Invest, LP | LP Interest | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[34],[40] 7,395,000    
Ending balance 7,395,000 [35],[36],[37],[38],[43]   7,395,000 [31],[32],[33],[34],[40]
Amortized Cost $ 6,793,000 [6],[7],[35],[36],[37],[38],[43]   $ 6,793,000 [8],[9],[31],[32],[33],[34],[40]
Investment, Identifier [Axis]: Bayshore Intermediate #2, L.P. (dba Boomi) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.50% [35],[43],[51]   2.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 220,746,000    
Ending balance 217,863,000 [35],[43],[51]   $ 220,746,000 [31],[40],[52]
Amortized Cost 222,284,000 [6],[7],[35],[43],[51]   220,718,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Bayshore Intermediate #2, L.P. (dba Boomi) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   4,547,000
Unfunded Commitment 16,634,000   13,789,000
Unfunded Fair Value $ (624,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Bayshore Intermediate #2, L.P. (dba Boomi) | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[48],[51]   5.00% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 4,547,000    
Ending balance 4,181,000 [35],[43],[48],[51]   $ 4,547,000 [31],[40],[47],[52]
Amortized Cost 4,509,000 [6],[7],[35],[43],[48],[51]   $ 4,502,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Beach Acquisition Bidco, LLC (dba Skechers) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [52]     3.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [52] $ 35,242,000    
Ending balance [52]     $ 35,242,000
Amortized Cost [8],[9],[52]     $ 34,919,000
Investment, Identifier [Axis]: Belmont Buyer, Inc. (dba Valenz) | First lien senior secured loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.50% [35],[43],[48],[51]   6.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 67,923,000    
Ending balance 68,636,000 [35],[43],[48],[51]   $ 67,923,000 [31],[40],[52]
Amortized Cost $ 67,721,000 [6],[7],[35],[43],[48],[51]   $ 67,022,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Belmont Buyer, Inc. (dba Valenz) | First lien senior secured loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[43],[51]   5.25% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 47,588,000    
Ending balance 47,226,000 [35],[43],[51]   $ 47,588,000 [31],[40],[52]
Amortized Cost 47,311,000 [6],[7],[35],[43],[51]   47,412,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Belmont Buyer, Inc. (dba Valenz) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 4,179,000   6,650,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Berlin Packaging | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.25% [43],[51]   3.25% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 87,187,000    
Ending balance 62,864,000 [43],[51]   $ 87,187,000 [40],[54]
Amortized Cost 65,344,000 [6],[7],[43],[51]   86,976,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Bird Holding B.V. (fka MessageBird Holding B.V.) | Extended Series C Warrants | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[34],[40] 9,000    
Ending balance 6,000 [35],[36],[37],[38],[43]   9,000 [31],[32],[33],[34],[40]
Amortized Cost 49,000 [6],[7],[35],[36],[37],[38],[43]   49,000 [8],[9],[31],[32],[33],[34],[40]
Investment, Identifier [Axis]: Birdie Bidco, Inc. (dba Concert Golf Partners) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 3,597,000   0
Unfunded Commitment 39,628,000   43,225,000
Unfunded Fair Value $ 0 [45]   $ (108,000) [46]
Investment, Identifier [Axis]: Birdie Bidco, Inc. (dba Concert Golf Partners) | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[48],[51] 4.50%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[48],[51] $ 3,480,000    
Amortized Cost [6],[7],[35],[43],[48],[51] $ 3,486,000    
Investment, Identifier [Axis]: Birdie Bidco, Inc. (dba Concert Golf Partners) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.50% [35],[43],[51]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 148,142,000    
Ending balance 148,975,000 [35],[43],[51]   $ 148,142,000 [31],[40],[52]
Amortized Cost 149,009,000 [6],[7],[35],[43],[51]   148,152,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Birdie Bidco, Inc. (dba Concert Golf Partners) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   2,690,000
Unfunded Commitment 5,003,000   21,324,000
Unfunded Fair Value (100,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Birdie Bidco, Inc. (dba Concert Golf Partners) | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[47],[52]     4.14%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 2,569,000    
Ending balance [31],[40],[47],[52]     $ 2,569,000
Amortized Cost [8],[9],[31],[40],[47],[52]     $ 2,572,000
Investment, Identifier [Axis]: Blackhawk Network Holdings, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.50% [43],[53]   4.00% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 122,606,000    
Ending balance 66,656,000 [43],[53]   $ 122,606,000 [40],[52]
Amortized Cost $ 67,616,000 [6],[7],[43],[53]   $ 122,142,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: Blast Bidco Inc. (dba Bazooka Candy Brands) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.00% [35],[43],[51]   6.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 35,194,000    
Ending balance 35,104,000 [35],[43],[51]   $ 35,194,000 [31],[40],[52]
Amortized Cost 34,469,000 [6],[7],[35],[43],[51]   34,530,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Blast Bidco Inc. (dba Bazooka Candy Brands) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 6,589,000   4,179,000
Unfunded Fair Value (16,000) [45]   0 [46]
Investment, Identifier [Axis]: Blue Owl Credit SLF LLC | LLC Interest | Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [33],[34],[40],[41],[61] 76,791,000    
Ending balance 80,605,000 [37],[38],[43],[44],[62]   76,791,000 [33],[34],[40],[41],[61]
Amortized Cost 87,176,000 [6],[7],[37],[38],[43],[44],[62]   76,967,000 [8],[9],[33],[34],[40],[41],[61]
Investment, Identifier [Axis]: Blue Owl Credit SLF LLC(d)      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [29] 76,791,000 [63] 4,294,000 4,294,000
Gross Additions 10,209,000 [26],[63]   72,696,000 [27],[29]
Gross Reductions 0 [28],[63]   0 [29],[30]
Net Change in Unrealized Gain/(Loss) (6,395,000) [63]   (199,000) [29]
Realized Gain/(Loss) [29]     0
Ending balance [63] 80,605,000   76,791,000 [29]
PIK dividend income 1,728,000 [63]   3,355,000 [29]
Interest and PIK Income 0 [63]   0 [29]
Other income 0 [63]   0 [29]
Investment, Identifier [Axis]: Blue Owl Cross-Strategy Opportunities 2025-1 LLC (fka Blue Owl Cross-Strategy Opportunities LLC | Specialty finance equity investment | Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [37],[38],[43],[44],[62],[64] 246,656,000    
Amortized Cost [6],[7],[37],[38],[43],[44],[62],[64] 248,045,000    
Investment, Identifier [Axis]: Blue Owl Cross-Strategy Opportunities 2025-1 LLC (fka Blue Owl Cross-Strategy Opportunities LLC)      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 136,815,000 0 0
Gross Additions [27]     137,069,000
Gross Reductions [29],[30]     0
Net Change in Unrealized Gain/(Loss)     (254,000)
Realized Gain/(Loss)     0
Ending balance     136,815,000
PIK dividend income     896,000
Interest and PIK Income     0
Other income     0
Investment, Identifier [Axis]: Blue Owl Cross-Strategy Opportunities LLC      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 136,815,000    
Gross Additions [26] 110,976,000    
Gross Reductions [28] 0    
Net Change in Unrealized Gain/(Loss) (1,135,000)    
Ending balance 246,656,000   $ 136,815,000
PIK dividend income 7,057,000    
Interest and PIK Income 0    
Other income $ 0    
% of Net Assets 36.90%   62.00%
Investment, Identifier [Axis]: Blue Owl Cross-Strategy Opportunities LLC (BOCSO)      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Amortized Cost $ 1,030,000,000.00   $ 500,000,000.0
Investment, Identifier [Axis]: Blue Owl Cross-Strategy Opportunities LLC (BOCSO) | Minimum      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 24,800,000    
Ending balance 24,700,000   24,800,000
Amortized Cost 24,900,000   24,800,000
Investment, Identifier [Axis]: Blue Owl Cross-Strategy Opportunities LLC (BOCSO) | Maximum      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 303,900,000    
Ending balance 378,000,000.0   303,900,000
Amortized Cost 379,600,000   304,400,000
Investment, Identifier [Axis]: Blue Owl Cross-Strategy Opportunities LLC | Specialty finance equity investment | Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [33],[34],[40],[41],[61],[65] 136,815,000    
Ending balance [33],[34],[40],[41],[61],[65]     136,815,000
Amortized Cost [8],[9],[33],[34],[40],[41],[61],[65]     137,069,000
Investment, Identifier [Axis]: Blue Owl Leasing LLC | LLC Interest | Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [32],[33],[34],[40],[41],[61] 17,229,000    
Ending balance 1,888,000 [36],[37],[38],[43],[44],[62]   17,229,000 [32],[33],[34],[40],[41],[61]
Amortized Cost 1,900,000 [6],[7],[36],[37],[38],[43],[44],[62]   17,237,000 [8],[9],[32],[33],[34],[40],[41],[61]
Investment, Identifier [Axis]: Blue Owl Leasing LLC(d)      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [29] 17,229,000 [63] 0 0
Gross Additions 0 [26],[63]   17,237,000 [27],[29]
Gross Reductions (15,337,000) [28],[63]   0 [29],[30]
Net Change in Unrealized Gain/(Loss) (4,000) [63]   (8,000) [29]
Realized Gain/(Loss) [29]     0
Ending balance [63] 1,888,000   17,229,000 [29]
PIK dividend income 0 [63]   0 [29]
Interest and PIK Income 0 [63]   0 [29]
Other income $ 0 [63]   $ 0 [29]
Investment, Identifier [Axis]: Boxer Parent Company Inc. (f/k/a BMC) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [43],[51]   3.00% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 78,196,000    
Ending balance 30,171,000 [43],[51]   $ 78,196,000 [40],[52]
Amortized Cost 32,613,000 [6],[7],[43],[51]   78,207,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: Bracket Intermediate Holding Corp. | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 12,008,000   12,008,000
Unfunded Fair Value $ (180,000) [45]   $ (60,000) [46]
Investment, Identifier [Axis]: Bracket Intermediate Holding Corp. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[51]   4.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 51,516,000    
Ending balance 50,995,000 [35],[43],[51]   $ 51,516,000 [31],[40],[52]
Amortized Cost 51,544,000 [6],[7],[35],[43],[51]   51,528,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Bracket Intermediate Holding Corp. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 3,978,000   0
Unfunded Commitment 1,085,000   5,003,000
Unfunded Fair Value 0 [45]   $ (50,000) [46]
Investment, Identifier [Axis]: BradyPLUS Holdings, LLC (f/k/a BradyIFS Holdings, LLC) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [40],[52]     3.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] 182,836,000    
Ending balance [40],[52]     $ 182,836,000
Amortized Cost [8],[9],[40],[52]     182,226,000
Investment, Identifier [Axis]: Brightway Holdings, LLC | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   7,167,000
Unfunded Commitment 2,462,000   2,274,000
Unfunded Fair Value $ (68,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Brightway Holdings, LLC | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[48],[53]   5.75% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 7,167,000    
Ending balance 2,518,000 [35],[43],[48],[53]   $ 7,167,000 [31],[40],[47],[52]
Amortized Cost $ 2,460,000 [6],[7],[35],[43],[48],[53]   $ 7,122,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Brightway Holdings, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[51]   5.75% [31],[40],[47],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 21,028,000    
Ending balance 100,608,000 [35],[43],[51]   $ 21,028,000 [31],[40],[47],[54]
Amortized Cost 100,619,000 [6],[7],[35],[43],[51]   20,916,000 [8],[9],[31],[40],[47],[54]
Investment, Identifier [Axis]: Brightway Holdings, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   696,000
Unfunded Commitment 1,097,000   1,410,000
Unfunded Fair Value $ (33,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Bristol Hospice L.L.C. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[53]   5.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 201,521,000    
Ending balance 201,017,000 [35],[43],[53]   $ 201,521,000 [31],[40],[52]
Amortized Cost 200,076,000 [6],[7],[35],[43],[53]   200,550,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Bristol Hospice L.L.C. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 19,229,000   19,229,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Brooklyn Lender Co-Invest 2, L.P. (dba Boomi) | Common Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 2,902,000    
Ending balance 2,476,000 [35],[36],[37],[43]   2,902,000 [31],[32],[33],[40]
Amortized Cost 1,729,000 [6],[7],[35],[36],[37],[43]   1,729,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: BusinessSolver.com, Inc. | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 2,524,000   0
Unfunded Commitment 20,129,000   2,462,000
Unfunded Fair Value $ 0 [45]   $ (6,000) [46]
Investment, Identifier [Axis]: BusinessSolver.com, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[51]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 16,359,000    
Ending balance 15,948,000 [35],[43],[51]   $ 16,359,000 [31],[40],[52]
Amortized Cost 16,363,000 [6],[7],[35],[43],[51]   16,360,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: BusinessSolver.com, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 810,000   0
Unfunded Commitment 2,084,000   1,097,000
Unfunded Fair Value $ 0 [45]   $ (5,000) [46]
Investment, Identifier [Axis]: By Light Professional IT Services LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.50% [35],[43],[53]   5.50% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 91,334,000    
Ending balance 94,410,000 [35],[43],[53]   $ 91,334,000 [31],[40],[54]
Amortized Cost 96,222,000 [6],[7],[35],[43],[53]   91,416,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: By Light Professional IT Services LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 6,659,000   0
Unfunded Commitment 22,474,000   7,025,000
Unfunded Fair Value $ 0 [45]   $ (105,000) [46]
Investment, Identifier [Axis]: CALABRIO, INC. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.00% [43],[51]   4.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 23,750,000    
Ending balance 19,438,000 [43],[51]   $ 23,750,000 [31],[40],[52]
Amortized Cost $ 23,796,000 [6],[7],[43],[51]   $ 23,763,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: CCI BUYER, INC. (dba Consumer Cellular) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[51]   5.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 495,780,000    
Ending balance 493,301,000 [35],[43],[51]   $ 495,780,000 [31],[40],[52]
Amortized Cost 490,064,000 [6],[7],[35],[43],[51]   491,158,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: CCI BUYER, INC. (dba Consumer Cellular) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 15,425,000   29,023,000
Unfunded Fair Value (424,000) [45]   0 [46]
Investment, Identifier [Axis]: CCM Midco, LLC (f/k/a Cresset Capital Management, LLC) | First lien senior secured delayed draw term loan 1      
Schedule of Investments [Line Items]      
Funded Commitment 1,077,000   112,000
Unfunded Commitment 9,999,000   8,843,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: CCM Midco, LLC (f/k/a Cresset Capital Management, LLC) | First lien senior secured delayed draw term loan 2      
Schedule of Investments [Line Items]      
Funded Commitment 0   2,010,000
Unfunded Commitment 6,726,000   2,463,000
Unfunded Fair Value $ (67,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: CCM Midco, LLC (f/k/a Cresset Capital Management, LLC) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[48],[53]   4.75% [31],[40],[47],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 39,660,000    
Ending balance 39,559,000 [35],[43],[48],[53]   $ 39,660,000 [31],[40],[47],[54]
Amortized Cost 39,192,000 [6],[7],[35],[43],[48],[53]   39,172,000 [8],[9],[31],[40],[47],[54]
Investment, Identifier [Axis]: CCM Midco, LLC (f/k/a Cresset Capital Management, LLC) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 6,058,000   2,239,000
Unfunded Fair Value (167,000) [45]   0 [46]
Investment, Identifier [Axis]: CD&R Value Building Partners I, L.P. (dba Belron) | LP Interest | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [32],[33],[34],[40],[61] 49,239,000    
Ending balance 51,911,000 [36],[37],[38],[43],[62]   49,239,000 [32],[33],[34],[40],[61]
Amortized Cost $ 35,971,000 [6],[7],[36],[37],[38],[43],[62]   $ 35,998,000 [8],[9],[32],[33],[34],[40],[61]
Investment, Identifier [Axis]: CFC USA 2025 LLC (dba CFC Insurance) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.50% [38],[43],[51]   3.75% [34],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [34],[40],[52] $ 77,704,000    
Ending balance 76,010,000 [38],[43],[51]   $ 77,704,000 [34],[40],[52]
Amortized Cost 79,069,000 [6],[7],[38],[43],[51]   79,244,000 [8],[9],[34],[40],[52]
Investment, Identifier [Axis]: CHA Vision Holdings, Inc. (fka FR Vision Holdings, Inc.) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 5,445,000   606,000
Unfunded Commitment 3,763,000   10,472,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: CHA Vision Holdings, Inc. (fka FR Vision Holdings, Inc.) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[48],[51]   5.00% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 65,113,000    
Ending balance 65,420,000 [35],[43],[48],[51]   $ 65,113,000 [31],[40],[47],[52]
Amortized Cost 64,860,000 [6],[7],[35],[43],[48],[51]   64,528,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: CHA Vision Holdings, Inc. (fka FR Vision Holdings, Inc.) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 22,509,000   3,692,000
Unfunded Fair Value (113,000) [45]   0 [46]
Investment, Identifier [Axis]: CMG HoldCo, LLC (dba Crete United) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   17,606,000
Unfunded Commitment 28,288,000   34,920,000
Unfunded Fair Value $ (424,000) [45]   $ (25,000) [46]
Investment, Identifier [Axis]: CMG HoldCo, LLC (dba Crete United) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[48],[55]   4.50% [31],[40],[47],[56]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[56] $ 52,807,000    
Ending balance 53,987,000 [35],[43],[48],[55]   $ 52,807,000 [31],[40],[47],[56]
Amortized Cost 54,882,000 [6],[7],[35],[43],[48],[55]   52,468,000 [8],[9],[31],[40],[47],[56]
Investment, Identifier [Axis]: CMG HoldCo, LLC (dba Crete United) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 3,692,000   11,550,000
Unfunded Fair Value 0 [45]   (29,000) [46]
Investment, Identifier [Axis]: CP PIK DEBT ISSUER, LLC (dba CivicPlus, LLC) | Unsecured notes | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[56] 12,419,000    
Ending balance 12,109,000 [35],[43],[51]   12,419,000 [31],[40],[56]
Amortized Cost $ 12,317,000 [6],[7],[35],[43],[51]   $ 12,315,000 [8],[9],[31],[40],[56]
Investment, Identifier [Axis]: CPM Holdings, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [53]   4.50% [54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [54] $ 4,732,000    
Ending balance 4,747,000 [53]   $ 4,732,000 [54]
Amortized Cost 4,675,000 [6],[7],[53]   4,681,000 [8],[9],[54]
Investment, Identifier [Axis]: CPM Holdings, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   861,000
Unfunded Commitment 42,297,000   4,139,000
Unfunded Fair Value $ (317,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: CPM Holdings, Inc. | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [48],[53]   4.50% [47],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [47],[54] $ 831,000    
Ending balance 1,969,000 [48],[53]   $ 831,000 [47],[54]
Amortized Cost $ 1,946,000 [6],[7],[48],[53]   $ 834,000 [8],[9],[47],[54]
Investment, Identifier [Axis]: CSC MKG Topco LLC (dba Medical Knowledge Group) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.50% [35],[43],[53]   5.50% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 97,757,000    
Ending balance 97,504,000 [35],[43],[53]   $ 97,757,000 [31],[40],[54]
Amortized Cost 96,538,000 [6],[7],[35],[43],[53]   96,715,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant) | First lien senior secured delayed draw term loan 1      
Schedule of Investments [Line Items]      
Funded Commitment 6,545,000   36,604,000
Unfunded Commitment 28,260,000   38,299,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant) | First lien senior secured delayed draw term loan 2      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 33,967,000   6,726,000
Unfunded Fair Value $ 0 [45]   $ (34,000) [46]
Investment, Identifier [Axis]: CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant) | First lien senior secured loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[48],[53]   5.00% [31],[40],[47],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 353,893,000    
Ending balance 351,092,000 [35],[43],[48],[53]   $ 353,893,000 [31],[40],[47],[54]
Amortized Cost $ 351,359,000 [6],[7],[35],[43],[48],[53]   $ 352,190,000 [8],[9],[31],[40],[47],[54]
Investment, Identifier [Axis]: CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant) | First lien senior secured loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[48],[53]   4.75% [31],[40],[47],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 99,640,000    
Ending balance 98,840,000 [35],[43],[48],[53]   $ 99,640,000 [31],[40],[47],[54]
Amortized Cost 99,351,000 [6],[7],[35],[43],[48],[53]   99,579,000 [8],[9],[31],[40],[47],[54]
Investment, Identifier [Axis]: CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 4,913,000   0
Unfunded Commitment 8,188,000   50,193,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Cadence, Inc. | First lien senior secured loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[48],[51]   4.75% [31],[40],[47],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 11,770,000    
Ending balance 11,716,000 [35],[43],[48],[51]   $ 11,770,000 [31],[40],[47],[54]
Amortized Cost $ 11,750,000 [6],[7],[35],[43],[48],[51]   $ 11,805,000 [8],[9],[31],[40],[47],[54]
Investment, Identifier [Axis]: Cadence, Inc. | First lien senior secured loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[43],[51]   5.25% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 2,383,000    
Ending balance 2,377,000 [35],[43],[51]   $ 2,383,000 [31],[40],[54]
Amortized Cost 2,377,000 [6],[7],[35],[43],[51]   2,383,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Cadence, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 217,000   810,000
Unfunded Commitment 209,000   2,084,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Cambrex Corporation | First lien senior secured delayed draw term loan 1      
Schedule of Investments [Line Items]      
Funded Commitment 2,005,000   0
Unfunded Commitment 2,463,000   33,294,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Cambrex Corporation | First lien senior secured delayed draw term loan 2      
Schedule of Investments [Line Items]      
Funded Commitment 112,000   0
Unfunded Commitment 8,843,000   62,427,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Cambrex Corporation | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[48],[53]   4.50% [31],[40],[47],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 224,180,000    
Ending balance 261,117,000 [35],[43],[48],[53]   $ 224,180,000 [31],[40],[47],[54]
Amortized Cost 259,320,000 [6],[7],[35],[43],[48],[53]   221,898,000 [8],[9],[31],[40],[47],[54]
Investment, Identifier [Axis]: Cambrex Corporation | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 108,000   1,665,000
Unfunded Commitment 773,000   27,468,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Canadian Hospital Specialties Limited | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[38],[43],[66]   4.50% [31],[34],[40],[67]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[67] $ 3,456,000    
Ending balance 3,376,000 [35],[38],[43],[66]   $ 3,456,000 [31],[34],[40],[67]
Amortized Cost 3,786,000 [6],[7],[35],[38],[43],[66]   3,794,000 [8],[9],[31],[34],[40],[67]
Investment, Identifier [Axis]: Canadian Hospital Specialties Limited | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   235,000
Unfunded Commitment 29,023,000   198,000
Unfunded Fair Value $ (73,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Canadian Hospital Specialties Limited | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[38],[43],[48],[66]   4.50% [31],[34],[40],[47],[67]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[47],[67] $ 231,000    
Ending balance 211,000 [35],[38],[43],[48],[66]   $ 231,000 [31],[34],[40],[47],[67]
Amortized Cost 240,000 [6],[7],[35],[38],[43],[48],[66]   $ 256,000 [8],[9],[31],[34],[40],[47],[67]
Investment, Identifier [Axis]: Capital Integration Systems LLC (dba CAIS) | Class D Common Units      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[36],[37],[43] 15,000,000    
Amortized Cost [6],[7],[35],[36],[37],[43] $ 15,000,000    
Investment, Identifier [Axis]: Capstone Acquisition Holdings, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[53]   4.50% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 86,074,000    
Ending balance 85,421,000 [35],[43],[53]   $ 86,074,000 [31],[40],[54]
Amortized Cost $ 85,604,000 [6],[7],[35],[43],[53]   $ 85,798,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Catalis Intermediate, Inc. (fka GovBrands Intermediate, Inc.) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.50% [35],[43],[48],[51]   5.50% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 9,708,000    
Ending balance 9,282,000 [35],[43],[48],[51]   $ 9,708,000 [31],[40],[47],[52]
Amortized Cost 9,829,000 [6],[7],[35],[43],[48],[51]   9,842,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Catalis Intermediate, Inc. (fka GovBrands Intermediate, Inc.) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   108,000
Unfunded Commitment 2,239,000   773,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Certinia Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[51]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 209,012,000    
Ending balance 203,774,000 [35],[43],[51]   $ 209,012,000 [31],[40],[52]
Amortized Cost 209,142,000 [6],[7],[35],[43],[51]   209,127,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Certinia Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 2,166,000   0
Unfunded Commitment 9,384,000   15,425,000
Unfunded Fair Value 0 [45]   (39,000) [46]
Investment, Identifier [Axis]: Chrome Investors LP | LP Interest      
Schedule of Investments [Line Items]      
Funded Commitment 7,339,000   7,339,000
Unfunded Commitment 1,835,000   1,835,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Chrome Investors LP | LP Interest | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[34],[40],[47] 7,339,000    
Ending balance 7,341,000 [35],[36],[37],[38],[43],[48]   7,339,000 [31],[32],[33],[34],[40],[47]
Amortized Cost $ 7,341,000 [6],[7],[35],[36],[37],[38],[43],[48]   $ 7,341,000 [8],[9],[31],[32],[33],[34],[40],[47]
Investment, Identifier [Axis]: Citrin Cooperman Advisors LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [43],[51]   3.00% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 2,250,000    
Ending balance 2,147,000 [43],[51]   $ 2,250,000 [40],[52]
Amortized Cost 2,229,000 [6],[7],[43],[51]   2,234,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: CivicPlus, LLC | First lien senior secured delayed draw term loan 1      
Schedule of Investments [Line Items]      
Funded Commitment 0   5,415,000
Unfunded Commitment 25,316,000   3,763,000
Unfunded Fair Value (570,000) [45]   0 [46]
Investment, Identifier [Axis]: CivicPlus, LLC | First lien senior secured delayed draw term loan 2      
Schedule of Investments [Line Items]      
Funded Commitment 17,987,000   0
Unfunded Commitment 34,492,000   25,316,000
Unfunded Fair Value (477,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: CivicPlus, LLC | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[47],[52]     5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 5,415,000    
Ending balance [31],[40],[47],[52]     $ 5,415,000
Amortized Cost [8],[9],[31],[40],[47],[52]     $ 5,388,000
Investment, Identifier [Axis]: CivicPlus, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.25% [35],[43],[48],[51]   3.25% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 39,078,000    
Ending balance 43,496,000 [35],[43],[48],[51]   $ 39,078,000 [31],[40],[52]
Amortized Cost 44,599,000 [6],[7],[35],[43],[48],[51]   38,901,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: CivicPlus, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 15,552,000   6,058,000
Unfunded Fair Value $ (39,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Cloud Software Group, Inc. | First lien senior secured loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.25% [43],[51]   3.25% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 79,476,000    
Ending balance 72,322,000 [43],[51]   $ 79,476,000 [40],[52]
Amortized Cost $ 79,213,000 [6],[7],[43],[51]   $ 79,413,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: Cloud Software Group, Inc. | First lien senior secured loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.25% [43],[51]   3.25% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 54,216,000    
Ending balance 49,291,000 [43],[51]   $ 54,216,000 [40],[52]
Amortized Cost $ 54,048,000 [6],[7],[43],[51]   $ 54,183,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: Clover Holdings 2, LLC (dba Cohesity) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.75% [43],[53]   3.96% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 75,747,000    
Ending balance 75,500,000 [43],[53]   $ 75,747,000 [40],[54]
Amortized Cost $ 78,143,000 [6],[7],[43],[53]   $ 75,081,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Clydesdale Acquisition Holdings, Inc. (dba Novolex) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.25% [43],[53]   3.25% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 99,090,000    
Ending balance 67,103,000 [43],[53]   $ 99,090,000 [40],[54]
Amortized Cost 71,520,000 [6],[7],[43],[53]   98,492,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Cohnreznick Advisory LLC | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 2,698,000   6,774,000
Unfunded Fair Value $ (84,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Cohnreznick Advisory LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.25% [43],[51]   3.50% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 42,657,000    
Ending balance 44,817,000 [43],[51]   $ 42,657,000 [40],[52]
Amortized Cost $ 46,500,000 [6],[7],[43],[51]   $ 42,346,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: Color Intermediate, LLC (dba ClaimsXten) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[51]   4.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 8,960,000    
Ending balance 8,802,000 [35],[43],[51]   $ 8,960,000 [31],[40],[52]
Amortized Cost 8,959,000 [6],[7],[35],[43],[51]   8,982,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Commander Buyer, Inc. (dba CenExel) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 33,764,000   33,764,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Commander Buyer, Inc. (dba CenExel) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[53]   4.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 123,490,000    
Ending balance 122,565,000 [35],[43],[53]   $ 123,490,000 [31],[40],[52]
Amortized Cost 122,565,000 [6],[7],[35],[43],[53]   122,854,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Commander Buyer, Inc. (dba CenExel) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 14,183,000   22,509,000
Unfunded Fair Value (35,000) [45]   0 [46]
Investment, Identifier [Axis]: Computer Services, Inc. (dba CSI) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 5,995,000   28,288,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Computer Services, Inc. (dba CSI) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[51]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 143,717,000    
Ending balance 140,849,000 [35],[43],[51]   $ 143,717,000 [31],[40],[52]
Amortized Cost $ 142,542,000 [6],[7],[35],[43],[51]   $ 142,870,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Conair Holdings LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.75% [43],[53]   3.75% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 22,782,000    
Ending balance 30,845,000 [43],[53]   $ 22,782,000 [40],[54]
Amortized Cost $ 44,121,000 [6],[7],[43],[53]   $ 44,214,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Conair Holdings LLC | Second lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 7.50% [35],[43],[53]   7.50% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 10,166,000    
Ending balance 13,555,000 [35],[43],[53]   $ 10,166,000 [31],[40],[54]
Amortized Cost $ 22,412,000 [6],[7],[35],[43],[53]   $ 22,400,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Confluent Health, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[53]   5.00% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 17,734,000    
Ending balance 16,954,000 [35],[43],[53]   $ 17,734,000 [31],[40],[54]
Amortized Cost $ 19,242,000 [6],[7],[35],[43],[53]   $ 19,262,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Confluent Medical Technologies, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [43],[51]   3.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 64,417,000    
Ending balance 15,030,000 [43],[51]   $ 64,417,000 [31],[40],[52]
Amortized Cost $ 15,059,000 [6],[7],[43],[51]   $ 64,097,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: ConnectWise, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.50% [43],[51]   3.50% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 49,593,000    
Ending balance 51,983,000 [43],[51]   $ 49,593,000 [40],[52]
Amortized Cost $ 56,297,000 [6],[7],[43],[51]   $ 50,593,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: Conservice Midco, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[51] 4.50%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[51] $ 113,912,000    
Amortized Cost [6],[7],[35],[43],[51] $ 113,915,000    
Investment, Identifier [Axis]: Continental Finance Company, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 8.00% [35],[43],[53]   8.00% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 13,151,000    
Ending balance 13,084,000 [35],[43],[53]   $ 13,151,000 [31],[40],[54]
Amortized Cost $ 13,147,000 [6],[7],[35],[43],[53]   $ 13,140,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: CoolSys, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.00% [43],[51]   4.75% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 12,015,000    
Ending balance 11,411,000 [43],[51]   $ 12,015,000 [40],[52]
Amortized Cost $ 13,279,000 [6],[7],[43],[51]   $ 13,026,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: CoreLogic Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.50% [53]   3.50% [54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [54] $ 23,584,000    
Ending balance 22,459,000 [53]   $ 23,584,000 [54]
Amortized Cost 23,231,000 [6],[7],[53]   23,261,000 [8],[9],[54]
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 2,174,000   5,995,000
Unfunded Fair Value $ (71,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[43],[53]   5.00% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 129,057,000    
Ending balance 128,432,000 [35],[43],[53]   $ 129,057,000 [31],[40],[54]
Amortized Cost 127,930,000 [6],[7],[35],[43],[53]   128,181,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: CoreTrust Purchasing Group LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 1,664,000   14,183,000
Unfunded Fair Value $ (67,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Cornerstone OnDemand, Inc. | Second lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.50% [35],[43],[53]   6.50% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 40,125,000    
Ending balance 30,317,000 [35],[43],[53]   $ 40,125,000 [31],[40],[54]
Amortized Cost $ 44,226,000 [6],[7],[35],[43],[53]   $ 44,205,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Cotiviti, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.75% [43],[53]   2.75% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 9,553,000    
Ending balance 9,134,000 [43],[53]   $ 9,553,000 [40],[54]
Amortized Cost 9,640,000 [6],[7],[43],[53]   9,653,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 29,967,000   0
Unfunded Commitment 10,039,000   2,174,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[43],[51]   5.25% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 23,979,000    
Ending balance 22,961,000 [35],[43],[51]   $ 23,979,000 [31],[40],[52]
Amortized Cost 23,918,000 [6],[7],[35],[43],[51]   23,979,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Coupa Holdings, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 1,971,000   0
Unfunded Commitment 3,029,000   1,664,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Covetrus, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[51]   5.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 32,501,000    
Ending balance 33,550,000 [35],[43],[51]   $ 32,501,000 [31],[40],[52]
Amortized Cost $ 33,881,000 [6],[7],[35],[43],[51]   $ 33,911,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Covetrus, Inc. | Second lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 9.25% [35],[43],[51]   9.25% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 154,800,000    
Ending balance 160,000,000 [35],[43],[51]   $ 154,800,000 [31],[40],[52]
Amortized Cost $ 157,742,000 [6],[7],[35],[43],[51]   $ 157,652,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Creek Parent, Inc. (dba Catalent) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[53]   5.00% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 290,907,000    
Ending balance 289,445,000 [35],[43],[53]   $ 290,907,000 [31],[40],[54]
Amortized Cost 287,247,000 [6],[7],[35],[43],[53]   287,825,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Creek Parent, Inc. (dba Catalent) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 17,226,000   42,297,000
Unfunded Fair Value $ (431,000) [45]   $ (211,000) [46]
Investment, Identifier [Axis]: Crewline Buyer, Inc. (dba New Relic) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.75% [35],[43],[51]   6.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 170,414,000    
Ending balance 167,409,000 [35],[43],[51]   $ 170,414,000 [31],[40],[52]
Amortized Cost 169,794,000 [6],[7],[35],[43],[51]   169,714,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Crewline Buyer, Inc. (dba New Relic) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 50,193,000   17,226,000
Unfunded Fair Value $ (251,000) [45]   $ (129,000) [46]
Investment, Identifier [Axis]: D4C Dental Brands, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[48],[55]   4.50% [31],[47],[56]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[47],[56] $ 140,442,000    
Ending balance 140,104,000 [35],[48],[55]   $ 140,442,000 [31],[47],[56]
Amortized Cost 139,459,000 [6],[7],[35],[48],[55]   139,734,000 [8],[9],[31],[47],[56]
Investment, Identifier [Axis]: D4C Dental Brands, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   4,913,000
Unfunded Commitment 10,493,000   8,188,000
Unfunded Fair Value (79,000) [45]   0 [46]
Investment, Identifier [Axis]: DCCM, LLC | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 5,314,000   0
Unfunded Commitment 31,882,000   26,232,000
Unfunded Fair Value $ 0 [45]   $ (131,000) [46]
Investment, Identifier [Axis]: DCCM, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[53]   4.75% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 52,971,000    
Ending balance 52,972,000 [35],[43],[53]   $ 52,971,000 [31],[40],[54]
Amortized Cost 52,887,000 [6],[7],[35],[43],[53]   53,005,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: DCCM, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 9,409,000   0
Unfunded Commitment 37,637,000   10,493,000
Unfunded Fair Value 0 [45]   (105,000) [46]
Investment, Identifier [Axis]: DCG ACQUISITION CORP. (dba DuBois Chemical) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 42,392,000   11,284,000
Unfunded Commitment 29,793,000   4,615,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: DCG ACQUISITION CORP. (dba DuBois Chemical) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[48],[51]   5.00% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 105,273,000    
Ending balance 104,995,000 [35],[43],[48],[51]   $ 105,273,000 [31],[40],[47],[52]
Amortized Cost 105,501,000 [6],[7],[35],[43],[48],[51]   105,468,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: DCG ACQUISITION CORP. (dba DuBois Chemical) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 15,899,000   15,899,000
Unfunded Fair Value $ (199,000) [45]   $ (159,000) [46]
Investment, Identifier [Axis]: DIRECTV Financing, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [51]   5.25% [52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [52] $ 43,943,000    
Ending balance 64,580,000 [51]   $ 43,943,000 [52]
Amortized Cost $ 64,582,000 [6],[7],[51]   43,800,000 [8],[9],[52]
Investment, Identifier [Axis]: DM Buyer (USA), Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[51] 4.50%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[51] $ 58,456,000    
Amortized Cost [6],[7],[35],[43],[51] 58,461,000    
Investment, Identifier [Axis]: Databricks, Inc. | First lien senior secured delayed draw term loan 1      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 26,232,000   16,531,000
Unfunded Fair Value (66,000) [45]   0 [46]
Investment, Identifier [Axis]: Databricks, Inc. | First lien senior secured delayed draw term loan 2      
Schedule of Investments [Line Items]      
Funded Commitment 11,284,000   0
Unfunded Commitment 4,615,000   33,967,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Databricks, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[53]   4.50% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 73,469,000    
Ending balance 73,469,000 [35],[43],[53]   $ 73,469,000 [31],[40],[54]
Amortized Cost $ 73,469,000 [6],[7],[35],[43],[53]   $ 73,152,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Dawn Bidco, LLC (dba Dayforce) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [43],[51]   3.00% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 122,059,000    
Ending balance 118,088,000 [43],[51]   $ 122,059,000 [40],[54]
Amortized Cost $ 124,613,000 [6],[7],[43],[51]   $ 122,206,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Dealer Tire Financial, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [53]   3.00% [54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [54] $ 29,999,000    
Ending balance 21,870,000 [53]   $ 29,999,000 [54]
Amortized Cost $ 21,980,000 [6],[7],[53]   $ 30,035,000 [8],[9],[54]
Investment, Identifier [Axis]: Dealer Tire Financial, LLC | Unsecured notes | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 8.00% [35],[42]   8.00% [31],[39]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[39] $ 55,839,000    
Ending balance 54,436,000 [35],[42]   $ 55,839,000 [31],[39]
Amortized Cost $ 55,625,000 [6],[7],[35],[42]   $ 55,564,000 [8],[9],[31],[39]
Investment, Identifier [Axis]: Deerfield Dakota Holdings | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [35],[43],[51]   3.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 503,515,000    
Ending balance 505,623,000 [35],[43],[51]   $ 503,515,000 [31],[40],[52]
Amortized Cost 505,820,000 [6],[7],[35],[43],[51]   503,623,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Deerfield Dakota Holdings | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 26,569,000   47,046,000
Unfunded Fair Value $ (133,000) [45]   $ (235,000) [46]
Investment, Identifier [Axis]: Deerfield Dakota Holdings | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[48],[53] 5.25%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[48],[53] $ 9,174,000    
Amortized Cost [6],[7],[35],[43],[48],[53] $ 9,193,000    
Investment, Identifier [Axis]: Delinea Buyer, Inc. (f/k/a Centrify) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[51] 4.25%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[51] $ 118,177,000    
Amortized Cost [6],[7],[35],[43],[51] $ 118,181,000    
Investment, Identifier [Axis]: Delta TopCo, Inc. (dba Infoblox, Inc.) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.75% [43],[53]   2.75% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 6,257,000    
Ending balance 13,289,000 [43],[53]   $ 6,257,000 [40],[54]
Amortized Cost $ 13,444,000 [6],[7],[43],[53]   $ 6,248,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Delta TopCo, Inc. (dba Infoblox, Inc.) | Second lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [43],[53]   5.25% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 80,745,000    
Ending balance 71,676,000 [43],[53]   $ 80,745,000 [40],[54]
Amortized Cost 81,644,000 [6],[7],[43],[53]   81,626,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Denali BuyerCo, LLC (dba Summit Companies) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 14,103,000   0
Unfunded Fair Value $ (55,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Denali Intermediate Holdings, Inc. (dba Dun & Bradstreet) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.50% [35],[43],[53]   5.50% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 249,048,000    
Ending balance 246,534,000 [35],[43],[53]   $ 249,048,000 [31],[40],[54]
Amortized Cost 248,682,000 [6],[7],[35],[43],[53]   249,109,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Denali Intermediate Holdings, Inc. (dba Dun & Bradstreet) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 25,284,000   25,284,000
Unfunded Fair Value $ (569,000) [45]   $ (379,000) [46]
Investment, Identifier [Axis]: Derby Buyer LLC (dba Delrin) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [43],[53]   3.00% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 44,599,000    
Ending balance 16,431,000 [43],[53]   $ 44,599,000 [40],[54]
Amortized Cost $ 16,473,000 [6],[7],[43],[53]   $ 44,492,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Dessert Holdings | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.00% [53]   4.00% [54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [54] $ 26,008,000    
Ending balance 25,958,000 [53]   $ 26,008,000 [54]
Amortized Cost $ 26,013,000 [6],[7],[53]   $ 26,074,000 [8],[9],[54]
Investment, Identifier [Axis]: Diamond Insure Bidco (dba Acturis) | First lien senior secured EUR term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.75% [35],[38],[43],[59]   3.75% [31],[34],[40],[60]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[60] $ 3,668,000    
Ending balance 3,536,000 [35],[38],[43],[59]   $ 3,668,000 [31],[34],[40],[60]
Amortized Cost $ 3,299,000 [6],[7],[35],[38],[43],[59]   $ 3,297,000 [8],[9],[31],[34],[40],[60]
Investment, Identifier [Axis]: Diamond Insure Bidco (dba Acturis) | First lien senior secured GBP term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.00% [35],[38],[43],[57]   4.00% [31],[34],[40],[58]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[58] $ 13,732,000    
Ending balance 11,922,000 [35],[38],[43],[57]   $ 13,732,000 [31],[34],[40],[58]
Amortized Cost $ 11,450,000 [6],[7],[35],[38],[43],[57]   $ 12,696,000 [8],[9],[31],[34],[40],[58]
Investment, Identifier [Axis]: Diamond Mezzanine 24 LLC (dba United Risk) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[51]   5.00% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 129,597,000    
Ending balance 133,474,000 [35],[43],[51]   $ 129,597,000 [31],[40],[47],[52]
Amortized Cost 132,923,000 [6],[7],[35],[43],[51]   129,019,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Diamond Mezzanine 24 LLC (dba United Risk) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 6,175,000   1,976,000
Unfunded Commitment 0   4,199,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Disco Parent, Inc. (dba Duck Creek Technologies, Inc.) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [51]   3.25% [31],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[52] $ 25,125,000    
Ending balance 24,439,000 [51]   $ 25,125,000 [31],[52]
Amortized Cost 24,880,000 [6],[7],[51]   24,940,000 [8],[9],[31],[52]
Investment, Identifier [Axis]: Dodge Construction Network Holdings, L.P. | Class A-2 Common Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 17,000    
Ending balance 12,000 [35],[36],[37],[43]   17,000 [31],[32],[33],[40]
Amortized Cost 123,000 [6],[7],[35],[36],[37],[43]   123,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: Dodge Construction Network Holdings, L.P. | Series A Preferred Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[33],[39],[40] 2,000    
Ending balance 2,000 [35],[37],[42],[43]   2,000 [31],[33],[39],[40]
Amortized Cost 3,000 [6],[7],[35],[37],[42],[43]   $ 3,000 [8],[9],[31],[33],[39],[40]
Investment, Identifier [Axis]: Dodge Construction Network LLC | First lien senior secured loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[52]     4.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] 8,252,000    
Ending balance [31],[40],[52]     $ 8,252,000
Amortized Cost [8],[9],[31],[40],[52]     $ 8,737,000
Investment, Identifier [Axis]: Dodge Construction Network LLC | First lien senior secured loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [40],[52]     6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 7,504,000    
Ending balance [40],[52]     $ 7,504,000
Amortized Cost [8],[9],[40],[52]     $ 7,370,000
Investment, Identifier [Axis]: Dodge Construction Network LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [43],[51] 4.75%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [43],[51] $ 7,665,000    
Amortized Cost [6],[7],[43],[51] $ 8,819,000    
Investment, Identifier [Axis]: Dresser Utility Solutions, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[43],[53]   5.25% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 88,959,000    
Ending balance 88,733,000 [35],[43],[53]   $ 88,959,000 [31],[40],[54]
Amortized Cost 88,159,000 [6],[7],[35],[43],[53]   88,341,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Dresser Utility Solutions, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 11,750,000   10,552,000
Unfunded Fair Value (59,000) [45]   0 [46]
Investment, Identifier [Axis]: DuraServ LLC | First lien senior secured delayed draw term loan 1      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 53,135,000   53,135,000
Unfunded Fair Value (664,000) [45]   (266,000) [46]
Investment, Identifier [Axis]: DuraServ LLC | First lien senior secured delayed draw term loan 2      
Schedule of Investments [Line Items]      
Funded Commitment 6,801,000   42,498,000
Unfunded Commitment 1,705,000   29,793,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: DuraServ LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[48],[53]   4.75% [31],[40],[47],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 217,462,000    
Ending balance 215,046,000 [35],[43],[48],[53]   $ 217,462,000 [31],[40],[47],[54]
Amortized Cost 218,117,000 [6],[7],[35],[43],[48],[53]   218,621,000 [8],[9],[31],[40],[47],[54]
Investment, Identifier [Axis]: DuraServ LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   3,234,000
Unfunded Commitment 10,552,000   21,022,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: DuraServ LLC | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[48],[53]   4.75% [31],[40],[47],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 2,992,000    
Ending balance 8,308,000 [35],[43],[48],[53]   $ 2,992,000 [31],[40],[47],[54]
Amortized Cost 8,648,000 [6],[7],[35],[43],[48],[53]   3,144,000 [8],[9],[31],[40],[47],[54]
Investment, Identifier [Axis]: EET Buyer, Inc. (dba e-Emphasys) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 1,539,000   6,818,000
Unfunded Commitment 2,336,000   1,705,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: EET Buyer, Inc. (dba e-Emphasys) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[48],[51]   5.25% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 46,578,000    
Ending balance 45,741,000 [35],[43],[48],[51]   $ 46,578,000 [31],[40],[47],[52]
Amortized Cost 46,228,000 [6],[7],[35],[43],[48],[51]   46,314,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: EET Buyer, Inc. (dba e-Emphasys) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 20,344,000   3,387,000
Unfunded Fair Value $ (51,000) [45]   0 [46]
Investment, Identifier [Axis]: EOS Finco S.A.R.L (dba Netceed) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[55] 5.00%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[38],[43],[55] $ 13,745,000    
Amortized Cost [6],[7],[35],[38],[43],[55] $ 13,821,000    
Investment, Identifier [Axis]: EOS Finco S.A.R.L (dba Netceed), First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[38],[43],[48],[68] 6.25%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[38],[43],[48],[68] $ 1,382,000    
Amortized Cost [6],[7],[35],[38],[43],[48],[68] 1,431,000    
Investment, Identifier [Axis]: EOS Finco S.A.R.L | First lien senior secured loan | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [32],[34],[40],[52],[69] $ 21,771,000    
Ending balance [32],[34],[40],[52],[69]     21,771,000
Amortized Cost [8],[9],[32],[34],[40],[52],[69]     $ 68,077,000
Investment, Identifier [Axis]: EP Purchaser, LLC (dba Entertainment Partners) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [43],[51]   4.50% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 18,076,000    
Ending balance 15,685,000 [43],[51]   $ 18,076,000 [40],[52]
Amortized Cost $ 24,867,000 [6],[7],[43],[51]   $ 24,902,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: EP Wealth Advisors, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [43],[51]   3.00% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 10,025,000    
Ending balance 10,000,000 [43],[51]   $ 10,025,000 [40],[52]
Amortized Cost $ 9,976,000 [6],[7],[43],[51]   $ 9,976,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: Eagle Family Foods Group LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[55]   5.00% [31],[40],[56]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[56] $ 162,732,000    
Ending balance 160,297,000 [35],[43],[55]   $ 162,732,000 [31],[40],[56]
Amortized Cost 159,449,000 [6],[7],[35],[43],[55]   161,408,000 [8],[9],[31],[40],[56]
Investment, Identifier [Axis]: Eagle Family Foods Group LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 8,732,000   0
Unfunded Commitment 15,524,000   20,344,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Einstein Parent, Inc. (dba Smartsheet) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[43],[51]   6.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 76,265,000    
Ending balance 74,920,000 [35],[43],[51]   $ 76,265,000 [31],[40],[52]
Amortized Cost 76,140,000 [6],[7],[35],[43],[51]   76,112,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Einstein Parent, Inc. (dba Smartsheet) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 3,387,000   7,949,000
Unfunded Fair Value (51,000) [45]   $ (60,000) [46]
Investment, Identifier [Axis]: Element Materials Technology | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [34],[40],[52]     3.67%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [34],[40],[52] 27,280,000    
Ending balance [34],[40],[52]     $ 27,280,000
Amortized Cost [8],[9],[34],[40],[52]     27,109,000
Investment, Identifier [Axis]: Elliott Alto Co-Investor Aggregator L.P. | LP Interest | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[34],[40] 14,986,000    
Ending balance 12,861,000 [35],[36],[37],[38],[43]   14,986,000 [31],[32],[33],[34],[40]
Amortized Cost $ 6,572,000 [6],[7],[35],[36],[37],[38],[43]   $ 6,572,000 [8],[9],[31],[32],[33],[34],[40]
Investment, Identifier [Axis]: Ellucian Holdings Inc. (f/k/a Sophia, L.P.) | Second lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [53]   4.75% [54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [54] $ 10,066,000    
Ending balance 9,542,000 [53]   $ 10,066,000 [54]
Amortized Cost $ 9,978,000 [6],[7],[53]   $ 9,978,000 [8],[9],[54]
Investment, Identifier [Axis]: Endries Acquisition, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.50% [35],[43],[53]   5.50% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 106,104,000    
Ending balance 105,298,000 [35],[43],[53]   $ 106,104,000 [31],[40],[54]
Amortized Cost 106,977,000 [6],[7],[35],[43],[53]   $ 107,211,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Engage Debtco Limited | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[34],[40],[52]     3.08%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[52] $ 19,891,000    
Ending balance [31],[34],[40],[52]     $ 19,891,000
Amortized Cost [8],[9],[31],[34],[40],[52]     $ 20,741,000
Investment, Identifier [Axis]: Engage Debtco Limited | First lien senior secured loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.03% [35],[38],[43],[51]   3.02% [31],[34],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[52] $ 32,479,000    
Ending balance 32,052,000 [35],[38],[43],[51]   $ 32,479,000 [31],[34],[52]
Amortized Cost $ 33,194,000 [6],[7],[35],[38],[43],[51]   $ 32,819,000 [8],[9],[31],[34],[52]
Investment, Identifier [Axis]: Engage Debtco Limited | First lien senior secured loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.08% [35],[38],[43],[51]   3.18% [31],[34],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[52] $ 61,253,000    
Ending balance 78,923,000 [35],[38],[43],[51]   $ 61,253,000 [31],[34],[40],[52]
Amortized Cost 85,180,000 [6],[7],[35],[38],[43],[51]   63,753,000 [8],[9],[31],[34],[40],[52]
Investment, Identifier [Axis]: Engineered Machinery Holdings, Inc. (dba Duravant) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   35,000
Unfunded Commitment 6,970,000   88,000
Unfunded Fair Value (157,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Engineered Machinery Holdings, Inc. (dba Duravant) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [40],[47],[52]     3.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[47],[52] $ 23,202,000    
Ending balance [40],[47],[52]     $ 23,202,000
Amortized Cost [8],[9],[40],[47],[52]     $ 23,017,000
Investment, Identifier [Axis]: Engineered Machinery Holdings, Inc. (dba Duravant) | Second lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.00% [35],[51]   6.00% [31],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[52] $ 19,160,000    
Ending balance 19,160,000 [35],[51]   $ 19,160,000 [31],[52]
Amortized Cost $ 19,135,000 [6],[7],[35],[51]   $ 19,133,000 [8],[9],[31],[52]
Investment, Identifier [Axis]: Ensemble RCM, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [43],[51]   3.00% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 3,474,000    
Ending balance 113,540,000 [43],[51]   $ 3,474,000 [40],[52]
Amortized Cost $ 114,858,000 [6],[7],[43],[51]   $ 3,444,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: Entrata, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.75% [35],[43],[53]   3.00% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 5,025,000    
Ending balance 4,938,000 [35],[43],[53]   $ 5,025,000 [31],[40],[54]
Amortized Cost 4,976,000 [6],[7],[35],[43],[53]   4,988,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Equity NewCo S.A. (dba Netceed). | Common Equity | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[36],[37],[38],[43] 352,000    
Amortized Cost [6],[7],[35],[36],[37],[38],[43] 350,000    
Investment, Identifier [Axis]: EresearchTechnology, Inc. (dba Clario) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   4,666,000
Unfunded Commitment 15,411,000   28,660,000
Unfunded Fair Value 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: EresearchTechnology, Inc. (dba Clario) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[47],[54]     4.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] 210,617,000    
Ending balance [31],[40],[47],[54]     $ 210,617,000
Amortized Cost [8],[9],[31],[40],[47],[54]     208,617,000
Investment, Identifier [Axis]: EresearchTechnology, Inc. (dba Clario) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 1,743,000   0
Unfunded Commitment 2,614,000   16,663,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Essential Services Holding Corporation (dba Turnpoint) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 2,188,000   6,970,000
Unfunded Fair Value $ (34,000) [45]   $ (87,000) [46]
Investment, Identifier [Axis]: Essential Services Holding Corporation (dba Turnpoint) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.75% [35],[43],[51]   5.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 34,926,000    
Ending balance 34,571,000 [35],[43],[51]   $ 34,926,000 [31],[40],[52]
Amortized Cost 35,264,000 [6],[7],[35],[43],[51]   35,253,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Essential Services Holding Corporation (dba Turnpoint) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   1,743,000
Unfunded Commitment 7,949,000   2,614,000
Unfunded Fair Value $ (199,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Essential Services Holding Corporation (dba Turnpoint) | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[48],[51]   5.00% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 1,666,000    
Ending balance 1,623,000 [35],[43],[48],[51]   $ 1,666,000 [31],[40],[47],[52]
Amortized Cost 1,712,000 [6],[7],[35],[43],[48],[51]   1,710,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Eternal Buyer, LLC (dba Wedgewood Weddings) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 28,307,000   15,411,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Eternal Buyer, LLC (dba Wedgewood Weddings) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[53]   4.50% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 76,477,000    
Ending balance 76,285,000 [35],[43],[53]   $ 76,477,000 [31],[40],[54]
Amortized Cost 76,318,000 [6],[7],[35],[43],[53]   76,499,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Eternal Buyer, LLC (dba Wedgewood Weddings) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 15,411,000   15,411,000
Unfunded Fair Value $ (77,000) [45]   $ (77,000) [46]
Investment, Identifier [Axis]: Evolution BuyerCo, Inc. (dba SIAA) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[51]   4.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 234,171,000    
Ending balance 233,582,000 [35],[43],[51]   $ 234,171,000 [31],[40],[52]
Amortized Cost 232,717,000 [6],[7],[35],[43],[51]   233,257,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Evolution BuyerCo, Inc. (dba SIAA) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 12,968,000   12,968,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Evolution Parent, LP (dba SIAA) | LP Interest | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 349,000    
Ending balance 349,000 [35],[36],[37],[43]   349,000 [31],[32],[33],[40]
Amortized Cost 270,000 [6],[7],[35],[36],[37],[43]   270,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: Ex Vivo Parent Inc. (dba OB Hospitalist) | First lien senior secured loan | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] 47,970,000    
Ending balance 49,581,000 [35],[43],[53]   47,970,000 [31],[40],[54]
Amortized Cost 49,301,000 [6],[7],[35],[43],[53]   47,666,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: FR Flow Control CB LLC (dba Trillium Flow Technologies) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 888,000   28,307,000
Unfunded Fair Value $ (29,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: FR Flow Control CB LLC (dba Trillium Flow Technologies) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[38],[43],[51]   5.00% [31],[34],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[52] $ 140,118,000    
Ending balance 140,463,000 [35],[38],[43],[51]   $ 140,118,000 [31],[34],[40],[52]
Amortized Cost 138,945,000 [6],[7],[35],[38],[43],[51]   139,250,000 [8],[9],[31],[34],[40],[52]
Investment, Identifier [Axis]: FR Flow Control CB LLC (dba Trillium Flow Technologies) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 23,160,000   23,160,000
Unfunded Fair Value 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Faraday Buyer, LLC (dba MacLean Power Systems) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[52]     6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] 133,562,000    
Ending balance [31],[40],[52]     $ 133,562,000
Amortized Cost [8],[9],[31],[40],[52]     131,894,000
Investment, Identifier [Axis]: Fiesta Purchaser, Inc. (dba Shearer's Foods) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 3,328,000   1,938,000
Unfunded Commitment 13,287,000   14,677,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Fiesta Purchaser, Inc. (dba Shearer's Foods) | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.75% [43],[48],[51]   2.75% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 1,915,000    
Ending balance 2,893,000 [43],[48],[51]   $ 1,915,000 [31],[40],[47],[52]
Amortized Cost 3,114,000 [6],[7],[43],[48],[51]   1,706,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Fifth Season Investments LLC      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 344,960,000 223,274,000 223,274,000
Gross Additions 0 [26]   108,603,000 [27]
Gross Reductions 0 [28]   0 [29],[30]
Net Change in Unrealized Gain/(Loss) 880,000   13,083,000
Realized Gain/(Loss)     0
Ending balance 345,840,000   344,960,000
PIK dividend income 7,347,000   30,144,000
Interest and PIK Income 0   0
Other income 0   0
Investment, Identifier [Axis]: Fifth Season Investments LLC | Specialty finance equity investment | Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[33],[40],[41] 344,960,000    
Ending balance 345,840,000 [35],[37],[43],[44]   344,960,000 [31],[33],[40],[41]
Amortized Cost 310,978,000 [6],[7],[35],[37],[43],[44]   $ 310,978,000 [8],[9],[31],[33],[40],[41]
Investment, Identifier [Axis]: Finastra USA, Inc. | First lien senior secured loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [34],[40],[52]     4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [34],[40],[52] 171,063,000    
Ending balance [34],[40],[52]     $ 171,063,000
Amortized Cost [8],[9],[34],[40],[52]     $ 173,306,000
Investment, Identifier [Axis]: Finastra USA, Inc. | First lien senior secured loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[34],[40],[52]     7.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[52] $ 45,390,000    
Ending balance [31],[34],[40],[52]     $ 45,390,000
Amortized Cost [8],[9],[31],[34],[40],[52]     44,717,000
Investment, Identifier [Axis]: Finastra USA, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [38],[43],[51] 4.00%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [38],[43],[51] $ 164,063,000    
Amortized Cost [6],[7],[38],[43],[51] 173,356,000    
Investment, Identifier [Axis]: First Eagle Holdings, Inc. | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 49,120,000   4,375,000
Unfunded Fair Value $ 0 [45]   $ (9,000) [46]
Investment, Identifier [Axis]: First Eagle Holdings, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.50% [43],[51]   3.50% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 25,571,000    
Ending balance 12,582,000 [43],[51]   $ 25,571,000 [40],[52]
Amortized Cost $ 12,602,000 [6],[7],[43],[51]   $ 25,257,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: Flexera Software LLC | First lien senior secured EUR term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[70]   4.50% [31],[40],[71]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[71] $ 37,257,000    
Ending balance 35,727,000 [35],[43],[70]   $ 37,257,000 [31],[40],[71]
Amortized Cost $ 37,161,000 [6],[7],[35],[43],[70]   $ 37,158,000 [8],[9],[31],[40],[71]
Investment, Identifier [Axis]: Flexera Software LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[51]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 129,079,000    
Ending balance 126,167,000 [35],[43],[51]   $ 129,079,000 [31],[40],[52]
Amortized Cost 129,104,000 [6],[7],[35],[43],[51]   128,974,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Flexera Software LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 8,085,000   8,085,000
Unfunded Fair Value $ (202,000) [45]   $ (20,000) [46]
Investment, Identifier [Axis]: Forescout Technologies, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[51]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 163,751,000    
Ending balance 160,469,000 [35],[43],[51]   $ 163,751,000 [31],[40],[52]
Amortized Cost 163,626,000 [6],[7],[35],[43],[51]   164,019,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Forescout Technologies, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 12,702,000   12,702,000
Unfunded Fair Value $ (286,000) [45]   $ (64,000) [46]
Investment, Identifier [Axis]: Formerra, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 7.25% [35],[43],[53]   7.25% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 5,310,000    
Ending balance 5,271,000 [35],[43],[53]   $ 5,310,000 [31],[40],[54]
Amortized Cost 5,209,000 [6],[7],[35],[43],[53]   5,215,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Formerra, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 526,000   526,000
Unfunded Fair Value $ (3,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Fortis Solutions Group, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.50% [35],[43],[51]   5.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 64,285,000    
Ending balance 63,954,000 [35],[43],[51]   $ 64,285,000 [31],[40],[52]
Amortized Cost 64,846,000 [6],[7],[35],[43],[51]   64,965,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Fortis Solutions Group, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 3,036,000   1,968,000
Unfunded Commitment 3,711,000   4,779,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Fortis Solutions Group, LLC | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.50% [35],[43],[48],[51]   5.30% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 1,833,000    
Ending balance 2,884,000 [35],[43],[48],[51]   $ 1,833,000 [31],[40],[47],[52]
Amortized Cost $ 3,001,000 [6],[7],[35],[43],[48],[51]   $ 1,928,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Foundation Consumer Brands, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[51]   5.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 123,143,000    
Ending balance 116,869,000 [35],[43],[51]   $ 123,143,000 [31],[40],[52]
Amortized Cost 116,338,000 [6],[7],[35],[43],[51]   122,814,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Foundation Consumer Brands, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 3,411,000   3,411,000
Unfunded Fair Value $ (9,000) [45]   $ (17,000) [46]
Investment, Identifier [Axis]: GI Apple Midco LLC (dba Atlas Technical Consultants) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.75% [35],[43],[53]   6.75% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 90,853,000    
Ending balance 90,159,000 [35],[43],[53]   $ 90,853,000 [31],[40],[54]
Amortized Cost 91,218,000 [6],[7],[35],[43],[53]   91,402,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: GI Apple Midco LLC (dba Atlas Technical Consultants) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 4,987,000   4,987,000
Unfunded Commitment 6,095,000   6,095,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: GI Apple Midco LLC (dba Atlas Technical Consultants) | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.75% [35],[43],[48],[53]   6.75% [31],[40],[47],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 4,793,000    
Ending balance 4,738,000 [35],[43],[48],[53]   $ 4,793,000 [31],[40],[47],[54]
Amortized Cost $ 4,874,000 [6],[7],[35],[43],[48],[53]   $ 4,865,000 [8],[9],[31],[40],[47],[54]
Investment, Identifier [Axis]: GI Ranger Intermediate, LLC (dba Rectangle Health) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.00% [35],[43],[51]   6.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 23,598,000    
Ending balance 22,566,000 [35],[43],[51]   $ 23,598,000 [31],[40],[52]
Amortized Cost 24,055,000 [6],[7],[35],[43],[51]   24,100,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: GI Ranger Intermediate, LLC (dba Rectangle Health) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 669,000   223,000
Unfunded Commitment 1,004,000   1,450,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: GI Ranger Intermediate, LLC (dba Rectangle Health) | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.00% [35],[43],[48],[51]   6.00% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 173,000    
Ending balance 552,000 [35],[43],[48],[51]   $ 173,000 [31],[40],[47],[52]
Amortized Cost 660,000 [6],[7],[35],[43],[48],[51]   213,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: GS Acquisitionco, Inc. (dba insightsoftware) | First lien senior secured delayed draw term loan 1      
Schedule of Investments [Line Items]      
Funded Commitment 0   121,000
Unfunded Commitment 5,000,000   204,000
Unfunded Fair Value (13,000) [45]   0 [46]
Investment, Identifier [Axis]: GS Acquisitionco, Inc. (dba insightsoftware) | First lien senior secured delayed draw term loan 2      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 5,375,000   888,000
Unfunded Fair Value $ 0 [45]   $ (7,000) [46]
Investment, Identifier [Axis]: GS Acquisitionco, Inc. (dba insightsoftware) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[43],[48],[51]   5.25% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 9,482,000    
Ending balance 9,254,000 [35],[43],[48],[51]   $ 9,482,000 [31],[40],[47],[52]
Amortized Cost 9,590,000 [6],[7],[35],[43],[48],[51]   9,574,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: GS Acquisitionco, Inc. (dba insightsoftware) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 130,000   92,000
Unfunded Commitment 118,000   156,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Galls, LLC | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   32,683,000
Unfunded Commitment 12,896,000   6,438,000
Unfunded Fair Value $ (129,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Galls, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.00% [35],[43],[48],[51]   6.00% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 155,851,000    
Ending balance 157,829,000 [35],[43],[48],[51]   $ 155,851,000 [31],[40],[47],[52]
Amortized Cost 156,013,000 [6],[7],[35],[43],[48],[51]   153,829,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Galls, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 7,456,000   5,102,000
Unfunded Commitment 8,241,000   10,596,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Galway Borrower LLC | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   10,145,000
Unfunded Commitment 8,132,000   39,539,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Galway Borrower LLC | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[48],[51]   4.50% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 11,241,000    
Ending balance 14,737,000 [35],[43],[48],[51]   $ 11,241,000 [31],[40],[47],[52]
Amortized Cost 14,727,000 [6],[7],[35],[43],[48],[51]   11,166,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Galway Borrower LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 2,383,000   1,096,000
Unfunded Commitment 3,884,000   5,170,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Gaylord Chemical Company, L.L.C. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.75% [35],[43],[48],[51]   5.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 184,624,000    
Ending balance 185,629,000 [35],[43],[48],[51]   $ 184,624,000 [31],[40],[52]
Amortized Cost 185,445,000 [6],[7],[35],[43],[48],[51]   184,342,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Gaylord Chemical Company, L.L.C. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 1,509,000   2,463,000
Unfunded Commitment 2,463,000   1,509,000
Unfunded Fair Value 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Gaylord Chemical Company, L.L.C. | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[47],[52]     5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 2,453,000    
Ending balance [31],[40],[47],[52]     $ 2,453,000
Amortized Cost [8],[9],[31],[40],[47],[52]     $ 2,461,000
Investment, Identifier [Axis]: Gehl Foods, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.25% [35],[43],[51]   6.25% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 135,978,000    
Ending balance 135,539,000 [35],[43],[51]   $ 135,978,000 [31],[40],[52]
Amortized Cost $ 134,762,000 [6],[7],[35],[43],[51]   $ 134,803,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Gerson Lehrman Group, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[43],[51]   5.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 165,599,000    
Ending balance 162,701,000 [35],[43],[51]   $ 165,599,000 [31],[40],[52]
Amortized Cost 164,827,000 [6],[7],[35],[43],[51]   164,765,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Gerson Lehrman Group, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 8,404,000   8,404,000
Unfunded Fair Value $ (147,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Gloves Buyer, Inc. (dba Protective Industrial Products) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.00% [43],[53]   4.00% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 99,367,000    
Ending balance 20,520,000 [43],[53]   $ 99,367,000 [40],[54]
Amortized Cost 20,520,000 [6],[7],[43],[53]   99,542,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Gloves Holdings, LP (dba Protective Industrial Products) | LP Interest | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 189,000    
Ending balance 189,000 [35],[36],[37],[43]   189,000 [31],[32],[33],[40]
Amortized Cost $ 134,000 [6],[7],[35],[36],[37],[43]   $ 134,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: Granicus, Inc. | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [35],[43],[51]   3.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 4,959,000    
Ending balance 4,872,000 [35],[43],[51]   $ 4,959,000 [31],[40],[52]
Amortized Cost $ 4,962,000 [6],[7],[35],[43],[51]   $ 4,935,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Granicus, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.50% [35],[43],[51]   3.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 33,561,000    
Ending balance 33,232,000 [35],[43],[51]   $ 33,561,000 [31],[40],[52]
Amortized Cost 33,414,000 [6],[7],[35],[43],[51]   33,311,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Granicus, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 4,633,000   4,633,000
Unfunded Fair Value (58,000) [45]   0 [46]
Investment, Identifier [Axis]: GrowthCurve Capital Sunrise Co-Invest LP (dba Brightway) | LP Interest | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 525,000    
Ending balance 470,000 [35],[36],[37],[43]   525,000 [31],[32],[33],[40]
Amortized Cost $ 412,000 [6],[7],[35],[36],[37],[43]   $ 508,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: Guidehouse Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[53]   4.75% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 107,447,000    
Ending balance 105,019,000 [35],[43],[53]   $ 107,447,000 [31],[40],[54]
Amortized Cost 108,267,000 [6],[7],[35],[43],[53]   108,532,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Gusto, Inc. | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 7,290,000   12,896,000
Unfunded Fair Value $ (91,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Gusto, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[51]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 67,226,000    
Ending balance 66,804,000 [35],[43],[51]   $ 67,226,000 [31],[40],[52]
Amortized Cost $ 67,243,000 [6],[7],[35],[43],[51]   67,233,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: H&F Opportunities LUX III S.À R.L (dba Checkmarx) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[38],[43],[53] 6.50%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[38],[43],[53] $ 38,804,000    
Amortized Cost [6],[7],[35],[38],[43],[53] 39,247,000    
Investment, Identifier [Axis]: HIG Operations Holdings, Inc. (dba Higginbotham) | First lien senior secured delayed draw term loan A      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 49,936,000   5,375,000
Unfunded Fair Value (125,000) [45]   0 [46]
Investment, Identifier [Axis]: HIG Operations Holdings, Inc. (dba Higginbotham) | First lien senior secured delayed draw term loan B      
Schedule of Investments [Line Items]      
Funded Commitment 11,505,000   0
Unfunded Commitment 1,881,000   5,000,000
Unfunded Fair Value $ 0 [45]   $ (13,000) [46]
Investment, Identifier [Axis]: HIG Operations Holdings, Inc. (dba Higginbotham) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[53]   4.50% [31],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[54] $ 64,463,000    
Ending balance 63,980,000 [35],[53]   $ 64,463,000 [31],[54]
Amortized Cost $ 64,302,000 [6],[7],[35],[53]   $ 64,463,000 [9],[31],[54]
Investment, Identifier [Axis]: Helix Acquisition Holdings, Inc. (dba MW Industries) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 7.00% [35],[43],[53]   6.98% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 61,023,000    
Ending balance 61,484,000 [35],[43],[53]   $ 61,023,000 [31],[40],[54]
Amortized Cost 60,256,000 [6],[7],[35],[43],[53]   60,195,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Hercules Borrower, LLC (dba The Vincit Group) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 7,290,000   8,132,000
Unfunded Fair Value $ (91,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Hercules Borrower, LLC (dba The Vincit Group) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[51]   4.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 148,032,000    
Ending balance 147,661,000 [35],[43],[51]   $ 148,032,000 [31],[40],[52]
Amortized Cost 147,292,000 [6],[7],[35],[43],[51]   147,631,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Hercules Borrower, LLC (dba The Vincit Group) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 8,440,000   12,595,000
Unfunded Fair Value (105,000) [45]   0 [46]
Investment, Identifier [Axis]: Hercules Buyer, LLC (dba The Vincit Group) | Common Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40],[72] 14,000    
Ending balance 16,000 [35],[36],[37],[43],[73]   14,000 [31],[32],[33],[40],[72]
Amortized Cost 12,000 [6],[7],[35],[36],[37],[43],[73]   12,000 [8],[9],[31],[32],[33],[40],[72]
Investment, Identifier [Axis]: Hercules Buyer, LLC (dba The Vincit Group) | Unsecured notes | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[39],[40],[72] 35,000    
Ending balance 36,000 [35],[42],[43],[73]   35,000 [31],[39],[40],[72]
Amortized Cost $ 24,000 [6],[7],[35],[42],[43],[73]   24,000 [8],[9],[31],[39],[40],[72]
Investment, Identifier [Axis]: Hg Genesis 9 SumoCo Limited | Unsecured facility | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [43],[59] 6.00%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[60] $ 161,911,000    
Ending balance 116,705,000 [35],[38],[43],[59]   161,911,000 [31],[34],[40],[60]
Amortized Cost 108,063,000 [6],[7],[35],[38],[43],[59]   146,657,000 [8],[9],[31],[34],[40],[60]
Investment, Identifier [Axis]: Hg Saturn Luchaco Limited | Unsecured facility | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[58] 973,000    
Ending balance 1,013,000 [35],[38],[43],[57]   973,000 [31],[34],[40],[58]
Amortized Cost 981,000 [6],[7],[35],[38],[43],[57]   923,000 [8],[9],[31],[34],[40],[58]
Investment, Identifier [Axis]: Himalaya Topco LLC (dba HealthEdge) | First lien senior secured delayed draw term loan 1      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 20,658,000   7,290,000
Unfunded Fair Value 0 [45]   (36,000) [46]
Investment, Identifier [Axis]: Himalaya Topco LLC (dba HealthEdge) | First lien senior secured delayed draw term loan 2      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 16,462,000   7,290,000
Unfunded Fair Value $ 0 [45]   $ (36,000) [46]
Investment, Identifier [Axis]: Himalaya Topco LLC (dba HealthEdge) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.75% [35],[43],[51]   2.75% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 52,829,000    
Ending balance 52,723,000 [35],[43],[51]   $ 52,829,000 [31],[40],[54]
Amortized Cost 53,169,000 [6],[7],[35],[43],[51]   52,854,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Himalaya Topco LLC (dba HealthEdge) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 12,595,000   8,202,000
Unfunded Fair Value $ 0 [45]   $ (82,000) [46]
Investment, Identifier [Axis]: Himalaya Topco LLC (dba HealthEdge) | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[48],[51] 4.75%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[48],[51] $ 1,132,000    
Amortized Cost [6],[7],[35],[43],[48],[51] $ 1,201,000    
Investment, Identifier [Axis]: Hissho Parent, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[51]   4.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 149,564,000    
Ending balance 149,180,000 [35],[43],[51]   $ 149,564,000 [31],[40],[52]
Amortized Cost 148,527,000 [6],[7],[35],[43],[51]   148,864,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Hissho Parent, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 1,276,000   0
Unfunded Commitment 6,926,000   11,009,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Hissho Sushi Holdings, LLC | Class A Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 11,866,000    
Ending balance 11,866,000 [35],[36],[37],[43]   11,866,000 [31],[32],[33],[40]
Amortized Cost 4,254,000 [6],[7],[35],[36],[37],[43]   4,254,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: Hockey Parent Holdings, L.P. | Class A Common Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 31,492,000    
Ending balance 31,492,000 [35],[36],[37],[43]   31,492,000 [31],[32],[33],[40]
Amortized Cost 25,000,000 [6],[7],[35],[36],[37],[43]   25,000,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: Home Service TopCo IV, Inc. | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 24,080,000   2,519,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Home Service TopCo IV, Inc. | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[55]   4.50% [31],[40],[56]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[56] $ 5,465,000    
Ending balance 7,857,000 [35],[43],[55]   $ 5,465,000 [31],[40],[56]
Amortized Cost $ 7,808,000 [6],[7],[35],[43],[55]   $ 5,423,000 [8],[9],[31],[40],[56]
Investment, Identifier [Axis]: Home Service TopCo IV, Inc. | First lien senior secured loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[55] 4.50%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[55] $ 35,466,000    
Amortized Cost [6],[7],[35],[43],[55] $ 35,466,000    
Investment, Identifier [Axis]: Home Service TopCo IV, Inc. | First lien senior secured loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[51] 4.50%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[51] $ 3,041,000    
Amortized Cost [6],[7],[35],[43],[51] 3,034,000    
Investment, Identifier [Axis]: Home Service TopCo IV, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[56]     4.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[56] 35,557,000    
Ending balance [31],[40],[56]     $ 35,557,000
Amortized Cost [8],[9],[31],[40],[56]     35,557,000
Investment, Identifier [Axis]: Home Service TopCo IV, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 11,009,000   3,359,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Horizon Avionics Buyer, LLC (dba Acron Aviation) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 5,079,000   49,936,000
Unfunded Fair Value $ (63,000) [45]   $ (125,000) [46]
Investment, Identifier [Axis]: Horizon Avionics Buyer, LLC (dba Acron Aviation) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[48],[51]   4.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 119,247,000    
Ending balance 123,517,000 [35],[43],[48],[51]   $ 119,247,000 [31],[40],[52]
Amortized Cost 123,532,000 [6],[7],[35],[43],[48],[51]   119,247,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Horizon Avionics Buyer, LLC (dba Acron Aviation) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   4,394,000
Unfunded Commitment 3,359,000   20,574,000
Unfunded Fair Value 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Horizon Avionics Buyer, LLC (dba Acron Aviation) | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[47],[52]     4.39%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 4,270,000    
Ending balance [31],[40],[47],[52]     $ 4,270,000
Amortized Cost [8],[9],[31],[40],[47],[52]     $ 4,273,000
Investment, Identifier [Axis]: Hyland Software, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[51]   5.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 144,291,000    
Ending balance 139,605,000 [35],[43],[51]   $ 144,291,000 [31],[40],[52]
Amortized Cost 143,923,000 [6],[7],[35],[43],[51]   144,291,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Hyland Software, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 4,394,000   0
Unfunded Commitment 20,574,000   6,978,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: IG Investments Holdings, LLC (dba Insight Global) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[51]   5.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 47,239,000    
Ending balance 47,120,000 [35],[43],[51]   $ 47,239,000 [31],[40],[52]
Amortized Cost 47,121,000 [6],[7],[35],[43],[51]   47,241,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: IG Investments Holdings, LLC (dba Insight Global) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 4,866,000   4,866,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: IGT Holding IV AB (dba IFS) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[38],[43],[51] 3.00%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[38],[43],[51] $ 3,960,000    
Amortized Cost [6],[7],[35],[38],[43],[51] $ 3,930,000    
Investment, Identifier [Axis]: IMA Financial Group, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [43],[53]   3.00% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 26,203,000    
Ending balance 15,957,000 [43],[53]   $ 26,203,000 [40],[54]
Amortized Cost $ 16,099,000 [6],[7],[43],[53]   $ 26,138,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: IRI Group Holdings, Inc. (f/k/a Circana Group, L.P. (f/k/a The NPD Group, L.P.)) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.25% [35],[43],[51]   4.25% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 267,492,000    
Ending balance 265,486,000 [35],[43],[51]   $ 267,492,000 [31],[40],[54]
Amortized Cost 267,160,000 [6],[7],[35],[43],[51]   267,140,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: IRI Group Holdings, Inc. (f/k/a Circana Group, L.P. (f/k/a The NPD Group, L.P.)) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 20,483,000   23,738,000
Unfunded Fair Value $ (358,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Icefall Parent, Inc. (dba EngageSmart) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[51]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 27,961,000    
Ending balance 27,612,000 [35],[43],[51]   $ 27,961,000 [31],[40],[52]
Amortized Cost 27,961,000 [6],[7],[35],[43],[51]   27,961,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Icefall Parent, Inc. (dba EngageSmart) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 6,978,000   2,749,000
Unfunded Fair Value (209,000) [45]   0 [46]
Investment, Identifier [Axis]: Ideal Image Development, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[40],[47],[52],[69] 0    
Ending balance [31],[32],[40],[47],[52],[69]     0
Amortized Cost [8],[9],[31],[32],[40],[47],[52],[69]     3,256,000
Investment, Identifier [Axis]: Ideal Image Development, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   1,587,000
Unfunded Commitment 2,749,000   566,000
Unfunded Fair Value (34,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Ideal Image Development, LLC | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[32],[40],[47],[52],[69]     6.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[40],[47],[52],[69] 420,000    
Ending balance [31],[32],[40],[47],[52],[69]     $ 420,000
Amortized Cost [8],[9],[31],[32],[40],[47],[52],[69]     678,000
Investment, Identifier [Axis]: Ideal Topco, L.P. | Class A-1 Preferred Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 0    
Ending balance [31],[32],[33],[40]     0
Amortized Cost [8],[9],[31],[32],[33],[40]     7,774,000
Investment, Identifier [Axis]: Ideal Topco, L.P. | Class A-2 Common Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 0    
Ending balance [31],[32],[33],[40]     0
Amortized Cost [8],[9],[31],[32],[33],[40]     $ 0
Investment, Identifier [Axis]: Imprivata, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [40],[52]     3.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] 7,799,000    
Ending balance [40],[52]     $ 7,799,000
Amortized Cost [8],[9],[40],[52]     7,775,000
Investment, Identifier [Axis]: Indigo Buyer, Inc. (dba Inovar Packaging Group) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   4,710,000
Unfunded Commitment 7,032,000   8,687,000
Unfunded Fair Value $ (53,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Indigo Buyer, Inc. (dba Inovar Packaging Group) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[43],[48],[51]   5.25% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 128,428,000    
Ending balance 134,911,000 [35],[43],[48],[51]   $ 128,428,000 [31],[40],[47],[52]
Amortized Cost 134,280,000 [6],[7],[35],[43],[48],[51]   127,782,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Indigo Buyer, Inc. (dba Inovar Packaging Group) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 12,700,000   12,700,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Indikami Bidco, LLC (dba IntegriChain) | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.00% [35],[43],[53]   6.00% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 736,000    
Ending balance 725,000 [35],[43],[53]   $ 736,000 [31],[40],[54]
Amortized Cost $ 737,000 [6],[7],[35],[43],[53]   $ 736,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Indikami Bidco, LLC (dba IntegriChain) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.00% [35],[43],[53]   4.00% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 48,118,000    
Ending balance 47,679,000 [35],[43],[53]   $ 48,118,000 [31],[40],[54]
Amortized Cost 48,617,000 [6],[7],[35],[43],[53]   48,275,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Indikami Bidco, LLC (dba IntegriChain) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 3,566,000   3,566,000
Unfunded Commitment 1,126,000   1,126,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Indikami Bidco, LLC (dba IntegriChain) | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.00% [35],[43],[48],[53]   6.00% [31],[40],[47],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 3,472,000    
Ending balance 3,402,000 [35],[43],[48],[53]   $ 3,472,000 [31],[40],[47],[54]
Amortized Cost $ 3,498,000 [6],[7],[35],[43],[48],[53]   $ 3,494,000 [8],[9],[31],[40],[47],[54]
Investment, Identifier [Axis]: Infobip Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.50% [35],[38],[43],[51]   5.50% [31],[34],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[52] $ 12,773,000    
Ending balance 12,645,000 [35],[38],[43],[51]   $ 12,773,000 [31],[34],[40],[52]
Amortized Cost $ 12,711,000 [6],[7],[35],[38],[43],[51]   $ 12,732,000 [8],[9],[31],[34],[40],[52]
Investment, Identifier [Axis]: Innovation Ventures HoldCo, LLC (dba 5 Hour Energy) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.25% [35],[43],[53]   6.25% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 52,362,000    
Ending balance 46,876,000 [35],[43],[53]   $ 52,362,000 [31],[40],[54]
Amortized Cost $ 46,808,000 [6],[7],[35],[43],[53]   $ 52,232,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Inovalon Holdings, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.75% [35],[43],[51]   2.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 303,221,000    
Ending balance 299,900,000 [35],[43],[51]   $ 303,221,000 [31],[40],[52]
Amortized Cost 311,230,000 [6],[7],[35],[43],[51]   309,025,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Inovalon Holdings, Inc. | Second lien senior secured loan | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] 111,676,000    
Ending balance 109,284,000 [35],[43],[51]   111,676,000 [31],[40],[52]
Amortized Cost 125,254,000 [6],[7],[35],[43],[51]   121,387,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Insight CP (Blocker) Holdings, L.P. (dba CivicPlus, LLC) | LP Interest | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[34],[40] 1,309,000    
Ending balance 1,030,000 [35],[36],[37],[38],[43]   1,309,000 [31],[32],[33],[34],[40]
Amortized Cost 992,000 [6],[7],[35],[36],[37],[38],[43]   992,000 [8],[9],[31],[32],[33],[34],[40]
Investment, Identifier [Axis]: Integrated Specialty Coverages, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 17,886,000   0
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Integrity Marketing Acquisition, LLC | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 20,483,000   24,080,000
Unfunded Fair Value $ (256,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Integrity Marketing Acquisition, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[51]   5.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 378,984,000    
Ending balance 377,993,000 [35],[43],[51]   $ 378,984,000 [31],[40],[52]
Amortized Cost 376,666,000 [6],[7],[35],[43],[51]   377,532,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Integrity Marketing Acquisition, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 602,000   0
Unfunded Commitment 5,416,000   17,886,000
Unfunded Fair Value 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Intelerad Medical Systems Incorporated (fka 11849573 Canada Inc.) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[34],[40],[52]     6.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[52] 31,219,000    
Ending balance [31],[34],[40],[52]     $ 31,219,000
Amortized Cost [8],[9],[31],[34],[40],[52]     31,158,000
Investment, Identifier [Axis]: Intelerad Medical Systems Incorporated (fka 11849573 Canada Inc.) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   2,049,000
Unfunded Commitment 23,738,000   0
Unfunded Fair Value (178,000) [45]   0 [46]
Investment, Identifier [Axis]: Interoperability Bidco, Inc. (dba Lyniate) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 50,797,000   5,079,000
Unfunded Fair Value $ (889,000) [45]   $ (25,000) [46]
Investment, Identifier [Axis]: Interoperability Bidco, Inc. (dba Lyniate) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[43],[48],[51]   5.75% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 77,344,000    
Ending balance 75,927,000 [35],[43],[48],[51]   $ 77,344,000 [31],[40],[47],[52]
Amortized Cost 76,839,000 [6],[7],[35],[43],[48],[51]   77,620,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Interoperability Bidco, Inc. (dba Lyniate) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 1,406,000   1,204,000
Unfunded Commitment 4,782,000   4,814,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Iris Specialty Acquisition LLC (dba Integrated Specialty Coverages) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 6,886,000   7,032,000
Unfunded Fair Value $ 0 [45]   $ (18,000) [46]
Investment, Identifier [Axis]: Iris Specialty Acquisition LLC (dba Integrated Specialty Coverages) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[48],[51]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 41,515,000    
Ending balance 42,651,000 [35],[43],[48],[51]   $ 41,515,000 [31],[40],[52]
Amortized Cost 42,900,000 [6],[7],[35],[43],[48],[51]   41,518,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Iris Specialty Acquisition LLC (dba Integrated Specialty Coverages) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 14,330,000   6,188,000
Unfunded Fair Value $ 0 [45]   $ (31,000) [46]
Investment, Identifier [Axis]: JS Parent, Inc. (dba Jama Software) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[51]   4.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 900,000    
Ending balance 896,000 [35],[43],[51]   $ 900,000 [31],[40],[52]
Amortized Cost 895,000 [6],[7],[35],[43],[51]   897,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: JS Parent, Inc. (dba Jama Software) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 18,088,000   88,000
Unfunded Fair Value $ (136,000) [45]   0 [46]
Investment, Identifier [Axis]: Jawbreaker Parent, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[51] 4.75%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[51] $ 104,378,000    
Amortized Cost [6],[7],[35],[43],[51] 105,678,000    
Investment, Identifier [Axis]: Jellyfish Bidco Limited (dba JTC) | First lien senior secured EUR term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 7,881,000   7,019,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Jellyfish Bidco Limited (dba JTC) | First lien senior secured GBP delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 8,598,000   8,770,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Jellyfish Bidco Limited (dba JTC) | First lien senior secured GBP term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 47,198,000   8,039,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Jellyfish Bidco Limited (dba JTC) | First lien senior secured multi-currency revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 863,000   14,616,000
Unfunded Fair Value (15,000) [45]   0 [46]
Investment, Identifier [Axis]: Jellyfish US Finco, Inc. (dba JTC) | First lien senior secured loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 18,088,000   48,141,000
Unfunded Fair Value $ (90,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Jeppesen Holdings, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[51]   4.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 16,513,000    
Ending balance 16,346,000 [35],[43],[51]   $ 16,513,000 [31],[40],[52]
Amortized Cost 16,518,000 [6],[7],[35],[43],[51]   16,515,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Jeppesen Holdings, LLC | First lien senior secured multi-currency revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 88,000   863,000
Unfunded Fair Value 0 [45]   $ (6,000) [46]
Investment, Identifier [Axis]: KABAFUSION Parent, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[52]     4.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] 111,288,000    
Ending balance [31],[40],[52]     $ 111,288,000
Amortized Cost [8],[9],[31],[40],[52]     110,286,000
Investment, Identifier [Axis]: KABAFUSION Parent, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 7,168,000   0
Unfunded Commitment 9,757,000   8,903,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: KBP Brands, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.50% [35],[43],[51]   5.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 54,464,000    
Ending balance 53,166,000 [35],[43],[51]   $ 54,464,000 [31],[40],[52]
Amortized Cost 54,050,000 [6],[7],[35],[43],[51]   $ 55,328,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: KENE Acquisition, Inc. (dba Entrust Solutions Group) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[52]     4.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] 24,098,000    
Ending balance [31],[40],[52]     $ 24,098,000
Amortized Cost [8],[9],[31],[40],[52]     23,982,000
Investment, Identifier [Axis]: KENE Acquisition, Inc. (dba Entrust Solutions Group) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   396,000
Unfunded Commitment 43,355,000   1,846,000
Unfunded Fair Value (325,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: KENE Acquisition, Inc. (dba Entrust Solutions Group) | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[47],[52]     4.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] 396,000    
Ending balance [31],[40],[47],[52]     $ 396,000
Amortized Cost [8],[9],[31],[40],[47],[52]     396,000
Investment, Identifier [Axis]: KOBHG Holdings, L.P. (dba OB Hospitalist) | Class A Interests | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 4,160,000    
Ending balance 4,443,000 [35],[36],[37],[43]   4,160,000 [31],[32],[33],[40]
Amortized Cost 3,520,000 [6],[7],[35],[36],[37],[43]   3,520,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: KPCI Co-Invest 2, L.P. | Class A Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[34],[40] 21,461,000    
Ending balance 19,183,000 [35],[36],[37],[38],[43]   21,461,000 [31],[32],[33],[34],[40]
Amortized Cost $ 21,461,000 [6],[7],[35],[36],[37],[38],[43]   $ 21,461,000 [8],[9],[31],[32],[33],[34],[40]
Investment, Identifier [Axis]: KPSKY Acquisition, Inc. (dba BluSky) | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.75% [35],[43],[51]   5.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 66,000    
Ending balance 65,000 [35],[43],[51]   $ 66,000 [31],[40],[52]
Amortized Cost $ 71,000 [6],[7],[35],[43],[51]   $ 71,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: KPSKY Acquisition, Inc. (dba BluSky) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.50% [43],[51]   5.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 90,877,000    
Ending balance 89,642,000 [43],[51]   $ 90,877,000 [31],[40],[52]
Amortized Cost 99,038,000 [6],[7],[43],[51]   99,222,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: KRIV Acquisition Inc. (dba Riveron) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 26,289,000   16,623,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: KRIV Acquisition Inc. (dba Riveron) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[48],[51]   5.00% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 81,942,000    
Ending balance 97,787,000 [35],[43],[48],[51]   $ 81,942,000 [31],[40],[47],[52]
Amortized Cost 95,804,000 [6],[7],[35],[43],[48],[51]   79,982,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: KRIV Acquisition Inc. (dba Riveron) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   1,142,000
Unfunded Commitment 8,600,000   13,393,000
Unfunded Fair Value (22,000) [45]   0 [46]
Investment, Identifier [Axis]: KUSRP Intermediate, Inc. (dba U.S. Retirement and Benefits Partners) | First lien senior secured loan | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] 19,232,000    
Ending balance 19,927,000 [35],[43],[53]   19,232,000 [31],[40],[54]
Amortized Cost 19,800,000 [6],[7],[35],[43],[53]   19,099,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: KWOL Acquisition, Inc. (dba Worldwide Clinical Trials) | Class A Interest | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 16,723,000    
Ending balance 15,883,000 [35],[36],[37],[43]   16,723,000 [31],[32],[33],[40]
Amortized Cost 12,048,000 [6],[7],[35],[36],[37],[43]   12,048,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: KWOL Acquisition, Inc. (dba Worldwide Clinical Trials) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 10,625,000   98,647,000
Unfunded Commitment 40,893,000   114,006,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: KWOL Acquisition, Inc. (dba Worldwide Clinical Trials) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[51]   5.00% [31],[40],[47],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 269,861,000    
Ending balance 357,629,000 [35],[43],[51]   $ 269,861,000 [31],[40],[47],[54]
Amortized Cost 356,801,000 [6],[7],[35],[43],[51]   267,527,000 [8],[9],[31],[40],[47],[54]
Investment, Identifier [Axis]: KWOL Acquisition, Inc. (dba Worldwide Clinical Trials) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 11,685,000   45,413,000
Unfunded Fair Value (58,000) [45]   (114,000) [46]
Investment, Identifier [Axis]: KWOR Acquisition, Inc. (dba Alacrity Solutions) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 3,857,000   3,857,000
Unfunded Fair Value 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: KWOR Acquisition, Inc. (dba Alacrity Solutions) | First lien senior secured loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[52]     1.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] 18,050,000    
Ending balance [31],[40],[52]     $ 18,050,000
Amortized Cost [8],[9],[31],[40],[52]     $ 17,976,000
Investment, Identifier [Axis]: KWOR Acquisition, Inc. (dba Alacrity Solutions) | First lien senior secured loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[52]     5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 240,000    
Ending balance [31],[40],[52]     $ 240,000
Amortized Cost [8],[9],[31],[40],[52]     240,000
Investment, Identifier [Axis]: KWOR Acquisition, Inc. (dba Alacrity Solutions) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[51] 1.00%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[51] $ 6,238,000    
Amortized Cost [6],[7],[35],[43],[51] 6,217,000    
Investment, Identifier [Axis]: KWOR Acquisition, Inc. (dba Alacrity Solutions) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 11,471,000   2,877,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: KWOR Intermediate I, Inc. (dba Alacrity Solutions) | Class A-1 Common Stock | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 1,500,000    
Ending balance 1,345,000 [35],[36],[37],[43]   1,500,000 [31],[32],[33],[40]
Amortized Cost 1,726,000 [6],[7],[35],[36],[37],[43]   1,726,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: KWOR Intermediate I, Inc. (dba Alacrity Solutions) | First lien senior secured loan | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] 6,212,000    
Ending balance 6,306,000 [35],[43],[51]   6,212,000 [31],[40],[52]
Amortized Cost 6,486,000 [6],[7],[35],[43],[51]   6,289,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: KWOR Intermediate I, Inc. (dba Alacrity Solutions) | Preferred Stock | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[33],[40],[52] 4,178,000    
Ending balance 4,235,000 [35],[37],[43],[51]   4,178,000 [31],[33],[40],[52]
Amortized Cost $ 4,353,000 [6],[7],[35],[37],[43],[51]   $ 4,227,000 [8],[9],[31],[33],[40],[52]
Investment, Identifier [Axis]: Kaseya Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.25% [43],[53]   3.00% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 79,408,000    
Ending balance 73,759,000 [43],[53]   $ 79,408,000 [40],[54]
Amortized Cost $ 78,851,000 [6],[7],[43],[53]   $ 79,039,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Kaseya Inc. | Second lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [43]   5.00% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 24,580,000    
Ending balance 19,906,000 [43]   $ 24,580,000 [40],[54]
Amortized Cost 25,042,000 [6],[7],[43]   $ 25,038,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Klarna Holding AB | Subordinated Floating Rate Notes | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[34],[40],[52]     7.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[52] $ 1,000,000    
Ending balance [31],[34],[40],[52]     $ 1,000,000
Amortized Cost [8],[9],[31],[34],[40],[52]     1,000,000
Investment, Identifier [Axis]: Klarna Holding AB | Subordinated floating rate notes | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[38],[43],[51] 7.00%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[38],[43],[51] $ 995,000    
Amortized Cost [6],[7],[35],[38],[43],[51] 1,000,000    
Investment, Identifier [Axis]: Klick Inc. | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 6,568,000   18,088,000
Unfunded Fair Value $ 0 [45]   $ (45,000) [46]
Investment, Identifier [Axis]: Klick Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[38],[43],[53]   5.00% [31],[34],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[54] $ 168,726,000    
Ending balance 168,302,000 [35],[38],[43],[53]   $ 168,726,000 [31],[34],[40],[54]
Amortized Cost 168,763,000 [6],[7],[35],[38],[43],[53]   168,740,000 [8],[9],[31],[34],[40],[54]
Investment, Identifier [Axis]: Klick Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 2,877,000   18,088,000
Unfunded Fair Value 0 [45]   (90,000) [46]
Investment, Identifier [Axis]: Knockout Intermediate Holdings I Inc. (dba Kaseya Inc.) | Perpetual Preferred Stock | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[33],[40],[56] 46,412,000    
Ending balance 36,870,000 [35],[37],[43],[55]   46,412,000 [31],[33],[40],[56]
Amortized Cost $ 46,707,000 [6],[7],[35],[37],[43],[55]   $ 46,682,000 [8],[9],[31],[33],[40],[56]
Investment, Identifier [Axis]: KnowBe4, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.75% [43],[51]   3.75% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 47,971,000    
Ending balance 42,532,000 [43],[51]   $ 47,971,000 [40],[52]
Amortized Cost 47,793,000 [6],[7],[43],[51]   47,910,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: LSI Financing 1 DAC      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 4,105,000 4,771,000 4,771,000
Gross Additions 0 [26]   0 [27]
Gross Reductions 0 [28]   (617,000) [29],[30]
Net Change in Unrealized Gain/(Loss) 62,000   (49,000)
Realized Gain/(Loss)     0
Ending balance 4,167,000   4,105,000
PIK dividend income 0   342,000
Interest and PIK Income 0   0
Other income 0   0
Investment, Identifier [Axis]: LSI Financing 1 DAC | Specialty finance equity investment | Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[33],[34],[40],[41] 4,105,000    
Ending balance 4,167,000 [35],[37],[38],[43],[44]   4,105,000 [31],[33],[34],[40],[41]
Amortized Cost 4,211,000 [6],[7],[35],[37],[38],[43],[44]   4,211,000 [8],[9],[31],[33],[34],[40],[41]
Investment, Identifier [Axis]: LSI Financing LLC      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 321,093,000 293,775,000 293,775,000
Gross Additions 246,220,000 [26]   221,952,000 [27]
Gross Reductions (7,909,000) [28]   (213,772,000) [29],[30]
Net Change in Unrealized Gain/(Loss) 2,024,000   19,138,000
Realized Gain/(Loss)     0
Ending balance 561,428,000   321,093,000
PIK dividend income 8,716,000   20,259,000
Interest and PIK Income 0   0
Other income 0   0
Investment, Identifier [Axis]: LSI Financing LLC | Specialty finance equity investment      
Schedule of Investments [Line Items]      
Funded Commitment 535,195,000   296,883,000
Unfunded Commitment 189,525,000   119,025,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: LSI Financing LLC | Specialty finance equity investment | Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [32],[33],[34],[40],[41],[47],[61] 321,093,000    
Ending balance 561,428,000 [36],[37],[38],[43],[44],[48],[62]   321,093,000 [32],[33],[34],[40],[41],[47],[61]
Amortized Cost 535,195,000 [6],[7],[36],[37],[38],[43],[44],[48],[62]   296,883,000 [8],[9],[32],[33],[34],[40],[41],[47],[61]
Investment, Identifier [Axis]: LSI Financing LLC, Common Equity      
Schedule of Investments [Line Items]      
Funded Commitment 44,062,000    
Unfunded Commitment 171,438,000    
Unfunded Fair Value 0    
Investment, Identifier [Axis]: Lakefield Acquisition Corp. (dba Lakefield Veterinary Group) | Common Equity | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 3,654,000    
Ending balance 3,560,000 [35],[36],[37],[43]   3,654,000 [31],[32],[33],[40]
Amortized Cost 3,563,000 [6],[7],[35],[36],[37],[43]   3,563,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: Lakefield Acquisition Corp. (dba Lakefield Veterinary Group) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 18,396,000   10,652,000
Unfunded Commitment 7,586,000   40,893,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Lakefield Acquisition Corp. (dba Lakefield Veterinary Group) | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[48],[53] 4.00%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[48],[53] $ 10,599,000    
Amortized Cost [6],[7],[35],[43],[48],[53] $ 10,580,000    
Investment, Identifier [Axis]: Lakefield Acquisition Corp. (dba Lakefield Veterinary Group) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.00% [35],[43],[55]   4.00% [31],[40],[47],[56]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[56] $ 82,838,000    
Ending balance 71,823,000 [35],[43],[55]   $ 82,838,000 [31],[40],[47],[56]
Amortized Cost 71,719,000 [6],[7],[35],[43],[55]   82,492,000 [8],[9],[31],[40],[47],[56]
Investment, Identifier [Axis]: Lakefield Acquisition Corp. (dba Lakefield Veterinary Group) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 2,266,000   8,600,000
Unfunded Fair Value $ (40,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Learning Care Group (US) No. 2 Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.00% [43],[51]   4.00% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 34,585,000    
Ending balance 30,044,000 [43],[51]   $ 34,585,000 [40],[52]
Amortized Cost 41,678,000 [6],[7],[43],[51]   $ 41,782,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: Level 3 Financing, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [34],[40],[54]     3.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [34],[40],[54] $ 79,349,000    
Ending balance [34],[40],[54]     $ 79,349,000
Amortized Cost [8],[9],[34],[40],[54]     79,167,000
Investment, Identifier [Axis]: Level 3 Financing, Inc., First lien senior secured loan      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [38],[43],[53] 3.25%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [38],[43],[53] $ 13,387,000    
Amortized Cost [6],[7],[38],[43],[53] 13,400,000    
Investment, Identifier [Axis]: Lightbeam Bidco, Inc. (dba Lazer Spot) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 8,675,000   10,837,000
Unfunded Commitment 767,000   15,172,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Lightbeam Bidco, Inc. (dba Lazer Spot) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[48],[51]   4.75% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 148,687,000    
Ending balance 155,114,000 [35],[43],[48],[51]   $ 148,687,000 [31],[40],[47],[52]
Amortized Cost 155,779,000 [6],[7],[35],[43],[48],[51]   148,604,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Lightbeam Bidco, Inc. (dba Lazer Spot) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 2,419,000   11,685,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Lignetics Investment Corp. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.50% [35],[43],[51]   5.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 94,997,000    
Ending balance 94,989,000 [35],[43],[51]   $ 94,997,000 [31],[40],[52]
Amortized Cost 94,856,000 [6],[7],[35],[43],[51]   95,085,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Lignetics Investment Corp. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 59,002,000   11,471,000
Unfunded Fair Value (148,000) [45]   (29,000) [46]
Investment, Identifier [Axis]: Litera Bidco LLC | First lien senior secured delayed draw term loan 1      
Schedule of Investments [Line Items]      
Funded Commitment 0   8,697,000
Unfunded Commitment 3,981,000   767,000
Unfunded Fair Value (70,000) [45]   0 [46]
Investment, Identifier [Axis]: Litera Bidco LLC | First lien senior secured delayed draw term loan 2      
Schedule of Investments [Line Items]      
Funded Commitment 76,686,000   0
Unfunded Commitment 129,820,000   3,981,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Litera Bidco LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[48],[53]   5.00% [31],[40],[47],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 42,523,000    
Ending balance 41,660,000 [35],[43],[48],[53]   $ 42,523,000 [31],[40],[47],[54]
Amortized Cost 42,293,000 [6],[7],[35],[43],[48],[53]   42,388,000 [8],[9],[31],[40],[47],[54]
Investment, Identifier [Axis]: Litera Bidco LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 1,806,000   2,266,000
Unfunded Fair Value (23,000) [45]   0 [46]
Investment, Identifier [Axis]: MAJCO LLC (dba Big Brand Tire & Service) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   40,435,000
Unfunded Commitment 20,448,000   166,071,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: MAJCO LLC (dba Big Brand Tire & Service) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[48],[51]   4.50% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 422,886,000    
Ending balance 459,046,000 [35],[43],[48],[51]   $ 422,886,000 [31],[40],[47],[52]
Amortized Cost 457,325,000 [6],[7],[35],[43],[48],[51]   421,155,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: MAJCO LLC (dba Big Brand Tire & Service) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 15,336,000   59,002,000
Unfunded Fair Value $ 0 [45]   $ (148,000) [46]
Investment, Identifier [Axis]: MED ParentCo, LP | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [53]   3.00% [54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [54] $ 24,860,000    
Ending balance 11,744,000 [53]   $ 24,860,000 [54]
Amortized Cost $ 11,758,000 [6],[7],[53]   $ 24,813,000 [8],[9],[54]
Investment, Identifier [Axis]: MHE Intermediate Holdings, LLC (dba OnPoint Group) | First lien senior secured loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.00% [35],[43],[48],[51]   6.00% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 59,386,000    
Ending balance 59,429,000 [35],[43],[48],[51]   $ 59,386,000 [31],[40],[47],[52]
Amortized Cost $ 60,685,000 [6],[7],[35],[43],[48],[51]   $ 60,770,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: MHE Intermediate Holdings, LLC (dba OnPoint Group) | First lien senior secured loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.25% [35],[43],[53]   6.25% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 4,516,000    
Ending balance 4,527,000 [35],[43],[53]   $ 4,516,000 [31],[40],[52]
Amortized Cost 4,591,000 [6],[7],[35],[43],[53]   4,585,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: MHE Intermediate Holdings, LLC (dba OnPoint Group) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 395,000   1,429,000
Unfunded Commitment 4,350,000   2,143,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: ML Holdco, Inc. (dba Meridian Link) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 7,283,000   0
Unfunded Commitment 4,486,000   8,012,000
Unfunded Fair Value $ 0 [45]   $ (20,000) [46]
Investment, Identifier [Axis]: ML Holdco, Inc. (dba Meridian Link) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[51]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 30,644,000    
Ending balance 29,874,000 [35],[43],[51]   $ 30,644,000 [31],[40],[52]
Amortized Cost $ 30,652,000 [6],[7],[35],[43],[51]   $ 30,648,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Magnet Forensics, LLC (f/k/a Grayshift, LLC) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[38],[43],[53]   4.50% [31],[34],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[54] $ 166,394,000    
Ending balance 165,967,000 [35],[38],[43],[53]   $ 166,394,000 [31],[34],[40],[54]
Amortized Cost 165,843,000 [6],[7],[35],[38],[43],[53]   166,257,000 [8],[9],[31],[34],[40],[54]
Investment, Identifier [Axis]: Magnet Forensics, LLC (f/k/a Grayshift, LLC) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 7,984,000   0
Unfunded Commitment 54,000   2,419,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Maia Aggregator, LP | Class A-2 Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 13,439,000    
Ending balance 12,561,000 [35],[36],[37],[43]   13,439,000 [31],[32],[33],[40]
Amortized Cost 12,921,000 [6],[7],[35],[36],[37],[43]   12,921,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: ManTech International Corporation | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 8,012,000   403,000
Unfunded Fair Value $ (220,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: ManTech International Corporation | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[51]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 14,459,000    
Ending balance 14,442,000 [35],[43],[51]   $ 14,459,000 [31],[40],[52]
Amortized Cost 14,622,000 [6],[7],[35],[43],[51]   14,459,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: ManTech International Corporation | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 12,784,000   1,806,000
Unfunded Fair Value (64,000) [45]   0 [46]
Investment, Identifier [Axis]: Maple Acquisition, LLC (dba Medicus) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 24,870,000   20,448,000
Unfunded Fair Value $ (249,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Maple Acquisition, LLC (dba Medicus) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[55]   4.75% [31],[40],[56]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[56] $ 92,358,000    
Ending balance 85,201,000 [35],[43],[55]   $ 92,358,000 [31],[40],[56]
Amortized Cost 84,694,000 [6],[7],[35],[43],[55]   91,787,000 [8],[9],[31],[40],[56]
Investment, Identifier [Axis]: Maple Acquisition, LLC (dba Medicus) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 4,927,000   15,336,000
Unfunded Fair Value (74,000) [45]   0 [46]
Investment, Identifier [Axis]: Mario Midco Holdings, Inc. (dba Len the Plumber) | Unsecured facility | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] 35,040,000    
Ending balance 35,412,000 [35],[43],[51]   35,040,000 [31],[40],[52]
Amortized Cost $ 37,785,000 [6],[7],[35],[43],[51]   $ 36,374,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Mario Purchaser, LLC (dba Len the Plumber) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.75% [35],[43],[51]   5.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 111,125,000    
Ending balance 109,393,000 [35],[43],[51]   $ 111,125,000 [31],[40],[52]
Amortized Cost 114,284,000 [6],[7],[35],[43],[51]   114,199,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Mario Purchaser, LLC (dba Len the Plumber) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 1,429,000   7,341,000
Unfunded Commitment 2,143,000   697,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Mario Purchaser, LLC (dba Len the Plumber) | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.75% [35],[43],[48],[51]   5.75% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 7,040,000    
Ending balance 7,562,000 [35],[43],[48],[51]   $ 7,040,000 [31],[40],[47],[52]
Amortized Cost $ 7,929,000 [6],[7],[35],[43],[48],[51]   $ 7,279,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Matterhorn Finco, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[51] 5.50%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[51] $ 82,683,000    
Amortized Cost [6],[7],[35],[43],[51] $ 82,686,000    
Investment, Identifier [Axis]: Mauser Packaging Solutions Holding Company | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.50% [51]   3.50% [54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [54] $ 44,015,000    
Ending balance 43,407,000 [51]   $ 44,015,000 [54]
Amortized Cost $ 44,579,000 [6],[7],[51]   $ 44,557,000 [8],[9],[54]
Investment, Identifier [Axis]: Mavis Tire Express Services Topco Corp. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [43],[53]   3.00% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 43,854,000    
Ending balance 43,534,000 [43],[53]   $ 43,854,000 [40],[54]
Amortized Cost $ 43,464,000 [6],[7],[43],[53]   $ 43,559,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: McQueen Bidco PTY LTD. (dba Infomedia) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[38],[43],[51]   4.50% [31],[34],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[52] $ 29,269,000    
Ending balance 28,902,000 [35],[38],[43],[51]   $ 29,269,000 [31],[34],[40],[52]
Amortized Cost 29,271,000 [6],[7],[35],[38],[43],[51]   29,269,000 [8],[9],[31],[34],[40],[52]
Investment, Identifier [Axis]: McQueen Bidco PTY LTD. (dba Infomedia) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 2,553,000   4,927,000
Unfunded Fair Value (38,000) [45]   (12,000) [46]
Investment, Identifier [Axis]: Metis HoldCo, Inc. (dba Mavis Tire Express Services) | Series A Convertible Preferred Stock | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[33],[39],[40] 14,884,000    
Ending balance 15,974,000 [35],[37],[42],[43]   14,884,000 [31],[33],[39],[40]
Amortized Cost $ 14,968,000 [6],[7],[35],[37],[42],[43]   $ 14,701,000 [8],[9],[31],[33],[39],[40]
Investment, Identifier [Axis]: Milan Laser Holdings LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[51]   5.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 19,307,000    
Ending balance 19,454,000 [35],[43],[51]   $ 19,307,000 [31],[40],[52]
Amortized Cost 19,708,000 [6],[7],[35],[43],[51]   19,751,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Milan Laser Holdings LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 25,814,000   2,553,000
Unfunded Fair Value (65,000) [45]   (64,000) [46]
Investment, Identifier [Axis]: Minerva Holdco, Inc. | Senior A Preferred Stock | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[33],[39],[40] 150,641,000    
Ending balance 150,403,000 [35],[37],[42],[43]   150,641,000 [31],[33],[39],[40]
Amortized Cost $ 154,682,000 [6],[7],[35],[37],[42],[43]   $ 150,543,000 [8],[9],[31],[33],[39],[40]
Investment, Identifier [Axis]: Ministry Brands Holdings, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.50% [35],[43],[53]   5.50% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 52,000,000    
Ending balance 50,559,000 [35],[43],[53]   $ 52,000,000 [31],[40],[54]
Amortized Cost 51,781,000 [6],[7],[35],[43],[53]   51,877,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Ministry Brands Holdings, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 1,238,000   395,000
Unfunded Commitment 8,138,000   4,350,000
Unfunded Fair Value $ (4,083,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Ministry Brands Holdings, LLC | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[48],[74]   4.50% [31],[40],[47],[75]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[75] $ 360,000    
Ending balance 241,000 [35],[43],[48],[74]   $ 360,000 [31],[40],[47],[75]
Amortized Cost $ 368,000 [6],[7],[35],[43],[48],[74]   $ 364,000 [8],[9],[31],[40],[47],[75]
Investment, Identifier [Axis]: Minotaur Acquisition, Inc. (dba Inspira Financial) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[53]   5.00% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 436,723,000    
Ending balance 434,318,000 [35],[43],[53]   $ 436,723,000 [31],[40],[54]
Amortized Cost 432,052,000 [6],[7],[35],[43],[53]   433,198,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Minotaur Acquisition, Inc. (dba Inspira Financial) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 10,683,000   25,814,000
Unfunded Fair Value $ (53,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Mitchell International, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [43],[53]   3.25% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 46,876,000    
Ending balance 44,361,000 [43],[53]   $ 46,876,000 [40],[54]
Amortized Cost $ 46,612,000 [6],[7],[43],[53]   $ 46,618,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Mitchell International, Inc. | Second lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [43],[53]   5.25% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 37,285,000    
Ending balance 33,730,000 [43],[53]   $ 37,285,000 [40],[54]
Amortized Cost 37,504,000 [6],[7],[43],[53]   37,498,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Mitnick Corporate Purchaser, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   1,438,000
Unfunded Commitment 21,041,000   7,938,000
Unfunded Fair Value (421,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Mitnick Corporate Purchaser, Inc. | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[47],[52]     3.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[47],[52] (2,031,000)    
Ending balance [31],[47],[52]     $ (2,031,000)
Amortized Cost [8],[9],[31],[47],[52]     1,441,000
Investment, Identifier [Axis]: ModMed Software Midco Holdings, Inc. (dba ModMed) | Series A Preferred Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[33],[39],[40] 27,317,000    
Ending balance 27,109,000 [35],[37],[42],[43]   27,317,000 [31],[33],[39],[40]
Amortized Cost $ 27,097,000 [6],[7],[35],[37],[42],[43]   $ 27,097,000 [8],[9],[31],[33],[39],[40]
Investment, Identifier [Axis]: Modernizing Medicine, Inc. (dba ModMed) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.50% [35],[43],[51]   2.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 115,316,000    
Ending balance 115,965,000 [35],[43],[51]   $ 115,316,000 [31],[40],[52]
Amortized Cost 115,525,000 [6],[7],[35],[43],[51]   114,844,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Modernizing Medicine, Inc. (dba ModMed) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 11,814,000   10,683,000
Unfunded Fair Value 0 [45]   (53,000) [46]
Investment, Identifier [Axis]: Monotype Imaging Holdings Inc. | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   3,589,000
Unfunded Commitment 8,537,000   10,394,000
Unfunded Fair Value $ (21,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Monotype Imaging Holdings Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[43],[53]   5.25% [31],[40],[47],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 169,392,000    
Ending balance 165,583,000 [35],[43],[53]   $ 169,392,000 [31],[40],[47],[54]
Amortized Cost 167,982,000 [6],[7],[35],[43],[53]   168,341,000 [8],[9],[31],[40],[47],[54]
Investment, Identifier [Axis]: Monotype Imaging Holdings Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 4,640,000   21,041,000
Unfunded Fair Value (81,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Motus Group, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [40],[52]     3.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 31,932,000    
Ending balance [40],[52]     $ 31,932,000
Amortized Cost [8],[9],[40],[52]     32,108,000
Investment, Identifier [Axis]: Motus Group, LLC, First lien senior secured loan      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[51] 3.75%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[51] $ 30,115,000    
Amortized Cost [6],[7],[35],[43],[51] 32,028,000    
Investment, Identifier [Axis]: NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A. | First lien senior secured EUR delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 48,295,000   25,351,000
Unfunded Fair Value (121,000) [45]   (190,000) [46]
Investment, Identifier [Axis]: NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A. | First lien senior secured EUR revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   413,000
Unfunded Commitment 4,118,000   4,316,000
Unfunded Fair Value (82,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A. | First lien senior secured EUR revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[47],[71]     5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[71] $ 342,000    
Ending balance [31],[40],[47],[71]     $ 342,000
Amortized Cost [8],[9],[31],[40],[47],[71]     $ 411,000
Investment, Identifier [Axis]: NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A. | First lien senior secured EUR term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.50% [35],[43],[59]   5.50% [31],[40],[60]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[60] $ 63,714,000    
Ending balance 62,189,000 [35],[43],[59]   $ 63,714,000 [31],[40],[60]
Amortized Cost $ 58,808,000 [6],[7],[35],[43],[59]   $ 58,929,000 [8],[9],[31],[40],[60]
Investment, Identifier [Axis]: NH Kronos Parent, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[48],[51] 4.50%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[48],[51] $ 130,760,000    
Amortized Cost [6],[7],[35],[43],[48],[51] $ 130,774,000    
Investment, Identifier [Axis]: NMI Acquisitionco, Inc. (dba Network Merchants) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[53]   4.50% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 12,052,000    
Ending balance 11,840,000 [35],[43],[53]   $ 12,052,000 [31],[40],[54]
Amortized Cost 11,999,000 [6],[7],[35],[43],[53]   12,028,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: NMI Acquisitionco, Inc. (dba Network Merchants) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 3,864,000   558,000
Unfunded Fair Value $ (19,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: NSCALE SERVICES UK LTD | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[38],[43],[48],[51] 5.00%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[38],[43],[48],[51] $ 4,223,000    
Amortized Cost [6],[7],[35],[38],[43],[48],[51] $ 4,223,000    
Investment, Identifier [Axis]: NSM Top Holdings Corp. (dba National Seating & Mobility) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.25% [35],[43],[51]   4.25% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 10,000,000    
Ending balance 9,950,000 [35],[43],[51]   $ 10,000,000 [31],[40],[52]
Amortized Cost $ 9,927,000 [6],[7],[35],[43],[51]   $ 9,950,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Natural Partners, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[38],[43],[51]   4.50% [31],[34],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[52] $ 162,585,000    
Ending balance 162,174,000 [35],[38],[43],[51]   $ 162,585,000 [31],[34],[40],[52]
Amortized Cost 160,833,000 [6],[7],[35],[38],[43],[51]   161,139,000 [8],[9],[31],[34],[40],[52]
Investment, Identifier [Axis]: Natural Partners, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 2,375,000   0
Unfunded Commitment 6,421,000   11,814,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Nelipak Holding Company | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 6,623,000   7,301,000
Unfunded Commitment 153,377,000   4,486,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Nelipak Holding Company | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.50% [35],[43],[48],[51]   5.50% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 48,038,000    
Ending balance 47,807,000 [35],[43],[48],[51]   $ 48,038,000 [31],[40],[47],[52]
Amortized Cost 48,161,000 [6],[7],[35],[43],[48],[51]   48,236,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Nelipak Holding Company | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 2,561,000   1,319,000
Unfunded Commitment 10,244,000   7,477,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Nelipak Holding Company | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.50% [35],[43],[48],[53]   5.50% [31],[40],[47],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 1,188,000    
Ending balance 2,221,000 [35],[43],[48],[53]   $ 1,188,000 [31],[40],[47],[54]
Amortized Cost $ 2,281,000 [6],[7],[35],[43],[48],[53]   $ 1,221,000 [8],[9],[31],[40],[47],[54]
Investment, Identifier [Axis]: Neptune Holdings, Inc. (dba NexTech) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[51]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 30,189,000    
Ending balance 29,584,000 [35],[43],[51]   $ 30,189,000 [31],[40],[52]
Amortized Cost 30,065,000 [6],[7],[35],[43],[51]   30,136,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Neptune Holdings, Inc. (dba NexTech) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 558,000   4,118,000
Unfunded Fair Value (8,000) [45]   (10,000) [46]
Investment, Identifier [Axis]: Notorious Holdings LLC (dba Beauty Industry Group) | First lien senior secured loan | Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[41],[52] 24,132,000    
Ending balance 24,632,000 [35],[43],[44],[51]   24,132,000 [31],[40],[41],[52]
Amortized Cost 25,028,000 [6],[7],[35],[43],[44],[51]   24,134,000 [8],[9],[31],[40],[41],[52]
Investment, Identifier [Axis]: Notorious Purchaser II, Inc. (dba Beauty Industry Group) | Class B Common Stock | Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40],[41] 49,564,000    
Ending balance 49,058,000 [35],[36],[37],[43],[44]   49,564,000 [31],[32],[33],[40],[41]
Amortized Cost 49,564,000 [6],[7],[35],[36],[37],[43],[44]   49,564,000 [8],[9],[31],[32],[33],[40],[41]
Investment, Identifier [Axis]: Notorious Topco, LLC (dba Beauty Industry Group)      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 124,174,000 0 0
Gross Additions 2,503,000 [26]   124,258,000 [27]
Gross Reductions 0 [28]   0 [29],[30]
Net Change in Unrealized Gain/(Loss) (1,544,000)   (84,000)
Realized Gain/(Loss)     0
Ending balance 125,133,000   124,174,000
PIK dividend income 0   0
Interest and PIK Income 2,209,000   316,000
Other income 195,000   2,000
Investment, Identifier [Axis]: Notorious Topco, LLC (dba Beauty Industry Group) | First lien senior secured loan | Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[41],[52] 50,529,000    
Ending balance 51,595,000 [35],[43],[44],[51]   50,529,000 [31],[40],[41],[52]
Amortized Cost 52,167,000 [6],[7],[35],[43],[44],[51]   50,561,000 [8],[9],[31],[40],[41],[52]
Investment, Identifier [Axis]: Notorious Topco, LLC (dba Beauty Industry Group) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 10,157,000   10,157,000
Unfunded Fair Value $ (152,000) [45]   $ (51,000) [46]
Investment, Identifier [Axis]: Nouryon Finance B.V. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.25% [38],[43],[55]   3.25% [34],[40],[56]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [34],[40],[56] $ 12,350,000    
Ending balance 8,937,000 [38],[43],[55]   $ 12,350,000 [34],[40],[56]
Amortized Cost $ 9,130,000 [6],[7],[38],[43],[55]   $ 12,360,000 [8],[9],[34],[40],[56]
Investment, Identifier [Axis]: Nova Women's Health, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[51] 5.25%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[51] $ 28,832,000    
Amortized Cost [6],[7],[35],[43],[51] 28,836,000    
Investment, Identifier [Axis]: Nova Women’s Health Partners Holdings, LP | Class A Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[36],[37],[43] 3,864,000    
Amortized Cost [6],[7],[35],[36],[37],[43] 3,864,000    
Investment, Identifier [Axis]: Novaria Holdings, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [54]     3.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [54] 19,004,000    
Ending balance [54]     $ 19,004,000
Amortized Cost [8],[9],[54]     19,022,000
Investment, Identifier [Axis]: Nscale Global Holdings Limited | Preferred equity | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[34],[40] 13,037,000    
Ending balance 14,485,000 [35],[36],[37],[38],[43]   13,037,000 [31],[32],[33],[34],[40]
Amortized Cost 13,037,000 [6],[7],[35],[36],[37],[38],[43]   13,037,000 [8],[9],[31],[32],[33],[34],[40]
Investment, Identifier [Axis]: Nscale Global Holdings Limited | Series B Preferred Shares | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[34],[40] 8,691,000    
Ending balance 25,194,000 [35],[37],[38],[43]   8,691,000 [31],[32],[33],[34],[40]
Amortized Cost $ 8,691,000 [6],[7],[35],[37],[38],[43]   $ 8,691,000 [8],[9],[31],[32],[33],[34],[40]
Investment, Identifier [Axis]: OAC Holdings I Corp. (dba Omega Holdings) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[51]   5.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 8,190,000    
Ending balance 8,147,000 [35],[43],[51]   $ 8,190,000 [31],[40],[52]
Amortized Cost 8,208,000 [6],[7],[35],[43],[51]   8,225,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: OAC Holdings I Corp. (dba Omega Holdings) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 1,691,000   0
Unfunded Commitment 882,000   2,572,000
Unfunded Fair Value $ 0 [45]   $ (39,000) [46]
Investment, Identifier [Axis]: OAC Holdings I Corp. (dba Omega Holdings) | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[48],[51] 5.00%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[48],[51] $ 1,645,000    
Amortized Cost [6],[7],[35],[43],[48],[51] $ 1,673,000    
Investment, Identifier [Axis]: OB Hospitalist Group, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[43],[53]   5.25% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 67,724,000    
Ending balance 67,547,000 [35],[43],[53]   $ 67,724,000 [31],[40],[54]
Amortized Cost 67,089,000 [6],[7],[35],[43],[53]   67,192,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: OB Hospitalist Group, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 7,993,000   7,993,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: OCIC SLF LLC (fka Blue Owl Credit Income Senior Loan Fund LLC) | LLC Interest | Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [33],[34],[41],[61] 280,331,000    
Ending balance 255,423,000 [37],[38],[44],[62]   280,331,000 [33],[34],[41],[61]
Amortized Cost 323,558,000 [6],[7],[37],[38],[44],[62]   314,808,000 [8],[9],[33],[34],[41],[61]
Investment, Identifier [Axis]: OCIC SLF LLC (fka Blue Owl Credit Income Senior Loan Fund LLC)(d)      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [29] 280,331,000 [63] 311,609,000 311,609,000
Gross Additions 8,750,000 [26],[63]   0 [27],[29]
Gross Reductions 0 [28],[63]   0 [29],[30]
Net Change in Unrealized Gain/(Loss) (33,658,000) [63]   (31,278,000) [29]
Realized Gain/(Loss) [29]     0
Ending balance [63] 255,423,000   280,331,000 [29]
PIK dividend income 5,928,000 [63]   38,644,000 [29]
Interest and PIK Income 0 [63]   0 [29]
Other income 0 [63]   0 [29]
Investment, Identifier [Axis]: OWL-HP FINANCE LLC      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 0    
Gross Additions [26] 44,064,000    
Gross Reductions [28] 0    
Net Change in Unrealized Gain/(Loss) 60,000    
Ending balance 44,124,000   $ 0
PIK dividend income 0    
Interest and PIK Income 0    
Other income 0    
Investment, Identifier [Axis]: OWL-HP FINANCE LLC | Specialty finance equity investment | Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [36],[37],[38],[43],[44],[48],[62] 44,124,000    
Amortized Cost [6],[7],[36],[37],[38],[43],[44],[48],[62] $ 44,064,000    
Investment, Identifier [Axis]: Offen, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[51]   5.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 16,758,000    
Ending balance 16,674,000 [35],[43],[51]   $ 16,758,000 [31],[40],[52]
Amortized Cost 16,736,000 [6],[7],[35],[43],[51]   16,771,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Offen, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 921,000   0
Unfunded Commitment 1,347,000   2,268,000
Unfunded Fair Value $ 0 [45]   $ (23,000) [46]
Investment, Identifier [Axis]: Offen, Inc. | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[48],[53] 5.00%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[48],[53] $ 893,000    
Amortized Cost [6],[7],[35],[43],[48],[53] 902,000    
Investment, Identifier [Axis]: Olaplex, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [34],[52]     3.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [34],[52] $ 19,849,000    
Ending balance [34],[52]     $ 19,849,000
Amortized Cost [8],[9],[34],[52]     $ 20,291,000
Investment, Identifier [Axis]: Ole Smoky Distillery, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.50% [35],[43],[53]   5.50% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 28,291,000    
Ending balance 27,474,000 [35],[43],[53]   $ 28,291,000 [31],[40],[54]
Amortized Cost 29,537,000 [6],[7],[35],[43],[53]   29,585,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Ole Smoky Distillery, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 3,302,000   3,302,000
Unfunded Fair Value (256,000) [45]   (173,000) [46]
Investment, Identifier [Axis]: One, Inc. Software Corporation | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 5,926,000   0
Unfunded Commitment 5,277,000   19,375,000
Unfunded Fair Value $ 0 [45]   $ (48,000) [46]
Investment, Identifier [Axis]: One, Inc. Software Corporation | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[51]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 100,246,000    
Ending balance 99,743,000 [35],[43],[51]   $ 100,246,000 [31],[40],[52]
Amortized Cost 100,264,000 [6],[7],[35],[43],[51]   100,250,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: One, Inc. Software Corporation | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 7,750,000   7,750,000
Unfunded Fair Value $ (78,000) [45]   $ (39,000) [46]
Investment, Identifier [Axis]: OneDigital Borrower LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [43],[53]   3.00% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 20,031,000    
Ending balance 19,250,000 [43],[53]   $ 20,031,000 [40],[54]
Amortized Cost $ 19,955,000 [6],[7],[43],[53]   $ 20,005,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: OneDigital Borrower LLC | Second lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [43],[53]   5.25% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 34,033,000    
Ending balance 32,955,000 [43],[53]   $ 34,033,000 [40],[54]
Amortized Cost 33,662,000 [6],[7],[43],[53]   33,657,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: OneOncology, LLC | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   31,686,000
Unfunded Commitment 19,375,000   86,925,000
Unfunded Fair Value (97,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: OneOncology, LLC | First lien senior secured delayed draw term loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[52]     5.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] 123,673,000    
Ending balance [31],[40],[52]     $ 123,673,000
Amortized Cost [8],[9],[31],[40],[52]     $ 122,936,000
Investment, Identifier [Axis]: OneOncology, LLC | First lien senior secured delayed draw term loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[47],[52]     4.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] 31,231,000    
Ending balance [31],[40],[47],[52]     $ 31,231,000
Amortized Cost [8],[9],[31],[40],[47],[52]     $ 31,246,000
Investment, Identifier [Axis]: OneOncology, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[52]     4.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] 242,024,000    
Ending balance [31],[40],[52]     $ 242,024,000
Amortized Cost [8],[9],[31],[40],[52]     240,906,000
Investment, Identifier [Axis]: OneOncology, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 51,253,000   41,243,000
Unfunded Fair Value (513,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Opal US LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [34],[40],[52]     3.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [34],[40],[52] 7,521,000    
Ending balance [34],[40],[52]     $ 7,521,000
Amortized Cost [8],[9],[34],[40],[52]     7,447,000
Investment, Identifier [Axis]: Orange Blossom Parent, Inc. | Common Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 1,720,000    
Ending balance 1,352,000 [35],[36],[37],[43]   1,720,000 [31],[32],[33],[40]
Amortized Cost $ 1,667,000 [6],[7],[35],[36],[37],[43]   $ 1,667,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: Orion US Finco Inc. (dba OSTTRA) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.50% [38],[43],[51]   3.50% [34],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [34],[40],[54] $ 10,543,000    
Ending balance 5,440,000 [38],[43],[51]   $ 10,543,000 [34],[40],[54]
Amortized Cost 5,474,000 [6],[7],[38],[43],[51]   10,451,000 [8],[9],[34],[40],[54]
Investment, Identifier [Axis]: PCF Holdco, LLC (dba Trucordia) | Preferred equity | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[33],[39],[40] 28,751,000    
Ending balance 28,553,000 [35],[37],[42],[43]   28,751,000 [31],[33],[39],[40]
Amortized Cost 22,779,000 [6],[7],[35],[37],[42],[43]   21,787,000 [8],[9],[31],[33],[39],[40]
Investment, Identifier [Axis]: PCF Holdco, LLC (dba Trucordia) | Warrants | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 3,952,000    
Ending balance 3,959,000 [35],[36],[37],[43]   3,952,000 [31],[32],[33],[40]
Amortized Cost $ 5,129,000 [6],[7],[35],[36],[37],[43]   $ 5,129,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: PDI TA Holdings, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.50% [35],[43],[51]   5.50% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 62,859,000    
Ending balance 57,144,000 [35],[43],[51]   $ 62,859,000 [31],[40],[47],[52]
Amortized Cost 59,160,000 [6],[7],[35],[43],[51]   62,910,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: PDI TA Holdings, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 4,687,000   3,683,000
Unfunded Commitment 335,000   1,339,000
Unfunded Fair Value $ 0 [45]   0 [46]
Investment, Identifier [Axis]: PDI TA Holdings, Inc. | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[48],[51] 5.50%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[48],[51] $ 4,461,000    
Amortized Cost [6],[7],[35],[43],[48],[51] 4,635,000    
Investment, Identifier [Axis]: PG Buyer, LLC | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 53,430,000   7,074,000
Unfunded Fair Value $ (134,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: PG Buyer, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[51]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 29,361,000    
Ending balance 29,066,000 [35],[43],[51]   $ 29,361,000 [31],[40],[52]
Amortized Cost 29,236,000 [6],[7],[35],[43],[51]   29,226,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: PG Buyer, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 4,042,000   4,042,000
Unfunded Fair Value $ (61,000) [45]   $ (20,000) [46]
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.00% [35],[43],[51]   6.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 9,872,000    
Ending balance 9,748,000 [35],[43],[51]   $ 9,872,000 [31],[40],[52]
Amortized Cost $ 9,860,000 [6],[7],[35],[43],[51]   $ 9,880,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.75% [35],[43],[48],[51]   5.75% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 160,268,000    
Ending balance 160,673,000 [35],[43],[48],[51]   $ 160,268,000 [31],[40],[47],[52]
Amortized Cost 163,040,000 [6],[7],[35],[43],[48],[51]   160,357,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: PPV Intermediate Holdings, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 4,445,000   1,482,000
Unfunded Commitment 7,409,000   10,372,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Pacific BidCo Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.75% [35],[38],[43],[55]   5.75% [31],[34],[40],[56]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[56] $ 189,941,000    
Ending balance 187,554,000 [35],[38],[43],[55]   $ 189,941,000 [31],[34],[40],[56]
Amortized Cost 187,863,000 [6],[7],[35],[38],[43],[55]   187,708,000 [8],[9],[31],[34],[40],[56]
Investment, Identifier [Axis]: Packaging Coordinators Midco, Inc. | First lien senior secured delayed draw term loan 1      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 77,828,000   77,828,000
Unfunded Fair Value (195,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Packaging Coordinators Midco, Inc. | First lien senior secured delayed draw term loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[58]     4.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[58] 59,537,000    
Ending balance [31],[40],[58]     $ 59,537,000
Amortized Cost [8],[9],[31],[40],[58]     58,535,000
Investment, Identifier [Axis]: Packaging Coordinators Midco, Inc. | First lien senior secured delayed draw term loan 2      
Schedule of Investments [Line Items]      
Funded Commitment 0   2,825,000
Unfunded Commitment 18,063,000   8,393,000
Unfunded Fair Value 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Packaging Coordinators Midco, Inc. | First lien senior secured delayed draw term loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[47],[52]     4.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 2,808,000    
Ending balance [31],[40],[47],[52]     $ 2,808,000
Amortized Cost [8],[9],[31],[40],[47],[52]     $ 2,815,000
Investment, Identifier [Axis]: Packaging Coordinators Midco, Inc. | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[57] 5.00%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[57] $ 57,912,000    
Amortized Cost [6],[7],[35],[43],[57] $ 58,399,000    
Investment, Identifier [Axis]: Packaging Coordinators Midco, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[48],[51]   4.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 514,000,000    
Ending balance 515,931,000 [35],[43],[48],[51]   $ 514,000,000 [31],[40],[52]
Amortized Cost 514,835,000 [6],[7],[35],[43],[48],[51]   510,067,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Packaging Coordinators Midco, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 677,000   0
Unfunded Commitment 8,354,000   51,253,000
Unfunded Fair Value 0 [45]   (256,000) [46]
Investment, Identifier [Axis]: Paradigmatic Holdco LLC (dba Pluralsight) | Common stock | Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40],[41] 0    
Ending balance 0 [35],[36],[37],[43],[44],[48]   0 [31],[32],[33],[40],[41]
Amortized Cost 1,053,000 [6],[7],[35],[36],[37],[43],[44],[48]   1,053,000 [8],[9],[31],[32],[33],[40],[41]
Investment, Identifier [Axis]: Paris US Holdco, Inc. (dba Precinmac) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 31,126,000   18,063,000
Unfunded Fair Value $ (389,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Paris US Holdco, Inc. (dba Precinmac) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[48],[53]   4.75% [31],[40],[47],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 69,951,000    
Ending balance 69,777,000 [35],[43],[48],[53]   $ 69,951,000 [31],[40],[47],[54]
Amortized Cost 69,312,000 [6],[7],[35],[43],[48],[53]   69,461,000 [8],[9],[31],[40],[47],[54]
Investment, Identifier [Axis]: Paris US Holdco, Inc. (dba Precinmac) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment     677,000
Unfunded Commitment     8,354,000
Unfunded Fair Value [46]     0
Investment, Identifier [Axis]: Park Place Technologies, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment     0
Unfunded Commitment     0
Unfunded Fair Value [46]     $ 0
Investment, Identifier [Axis]: Patriot Acquisition TopCo S.À R.L. (dba Corza Health, Inc.) | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[34],[40],[54]     4.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[54] $ 13,445,000    
Ending balance [31],[34],[40],[54]     $ 13,445,000
Amortized Cost [8],[9],[31],[34],[40],[54]     $ 13,404,000
Investment, Identifier [Axis]: Patriot Acquisition TopCo S.À R.L. (dba Corza Health, Inc.) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[38],[43],[51]   4.75% [31],[34],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[47],[52] $ 150,630,000    
Ending balance 163,106,000 [35],[38],[43],[51]   $ 150,630,000 [31],[34],[40],[47],[52]
Amortized Cost 162,710,000 [6],[7],[35],[38],[43],[51]   150,227,000 [8],[9],[31],[34],[40],[47],[52]
Investment, Identifier [Axis]: Patriot Acquisition TopCo S.À R.L. (dba Corza Health, Inc.) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   554,000
Unfunded Commitment 7,761,000   7,206,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Patriot Holdings SCSp (dba Corza Health, Inc.) | Class A Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[33],[34],[39],[40] 1,666,000    
Ending balance 1,703,000 [35],[37],[38],[42],[43]   1,666,000 [31],[33],[34],[39],[40]
Amortized Cost 1,707,000 [6],[7],[35],[37],[38],[42],[43]   1,674,000 [8],[9],[31],[33],[34],[39],[40]
Investment, Identifier [Axis]: Patriot Holdings SCSp (dba Corza Health, Inc.) | Class B Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[34],[40] 125,000    
Ending balance 142,000 [35],[36],[37],[38],[43]   125,000 [31],[32],[33],[34],[40]
Amortized Cost 180,000 [6],[7],[35],[36],[37],[38],[43]   180,000 [8],[9],[31],[32],[33],[34],[40]
Investment, Identifier [Axis]: Peachtree Buyer, Inc. (dba Pond & Company) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 35,613,000   31,126,000
Unfunded Fair Value $ 0 [45]   $ (156,000) [46]
Investment, Identifier [Axis]: Peachtree Buyer, Inc. (dba Pond & Company) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[51]   4.50% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 92,274,000    
Ending balance 88,687,000 [35],[43],[51]   $ 92,274,000 [31],[40],[47],[52]
Amortized Cost 89,393,000 [6],[7],[35],[43],[51]   92,281,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Peachtree Buyer, Inc. (dba Pond & Company) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 467,000   3,113,000
Unfunded Commitment 19,765,000   17,120,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Peachtree Buyer, Inc. (dba Pond & Company) | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[48],[53] 4.50%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[48],[53] $ 113,000    
Amortized Cost [6],[7],[35],[43],[48],[53] $ 273,000    
Investment, Identifier [Axis]: Pediatric Associates Holding Company, LLC | First lien senior secured loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.25% [35],[43],[51]   3.25% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 31,134,000    
Ending balance 30,372,000 [35],[43],[51]   $ 31,134,000 [40],[52]
Amortized Cost $ 31,134,000 [6],[7],[35],[43],[51]   $ 31,160,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: Pediatric Associates Holding Company, LLC | First lien senior secured loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[51]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 27,138,000    
Ending balance 26,392,000 [35],[43],[51]   $ 27,138,000 [31],[40],[52]
Amortized Cost $ 26,411,000 [6],[7],[35],[43],[51]   $ 26,427,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Peraton Corp. | Second lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 7.75% [43],[51]   7.75% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 3,784,000    
Ending balance 3,454,000 [43],[51]   $ 3,784,000 [40],[52]
Amortized Cost 4,800,000 [6],[7],[43],[51]   4,798,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: Percheron Horsepower-A LP (dba Big Brand Tire & Service) | Limited Partner Interest      
Schedule of Investments [Line Items]      
Funded Commitment 71,553,000   71,485,000
Unfunded Commitment 11,679,000   11,748,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Percheron Horsepower-A LP (dba Big Brand Tire & Service) | Limited Partner Interest | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [32],[33],[34],[40],[47],[61] 85,013,000    
Ending balance 93,015,000 [36],[37],[38],[43],[48],[62]   85,013,000 [32],[33],[34],[40],[47],[61]
Amortized Cost $ 71,553,000 [6],[7],[36],[37],[38],[43],[48],[62]   $ 71,485,000 [8],[9],[32],[33],[34],[40],[47],[61]
Investment, Identifier [Axis]: Perforce Software, Inc. | First lien senior secured loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[53]   4.75% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 4,127,000    
Ending balance 3,365,000 [35],[43],[53]   $ 4,127,000 [40],[54]
Amortized Cost $ 4,897,000 [6],[7],[35],[43],[53]   $ 4,909,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Perforce Software, Inc. | First lien senior secured loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [43],[53]   4.75% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 12,992,000    
Ending balance 9,661,000 [43],[53]   $ 12,992,000 [40],[54]
Amortized Cost 14,314,000 [6],[7],[43],[53]   14,339,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: PerkinElmer U.S. LLC | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 7,074,000   35,613,000
Unfunded Fair Value $ (71,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: PerkinElmer U.S. LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[53]   4.75% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 186,674,000    
Ending balance 186,207,000 [35],[43],[53]   $ 186,674,000 [31],[40],[54]
Amortized Cost $ 186,373,000 [6],[7],[35],[43],[53]   $ 186,351,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: PetVet Care Centers, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.00% [35],[43],[53]   6.00% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 214,295,000    
Ending balance 213,749,000 [35],[43],[53]   $ 214,295,000 [31],[40],[54]
Amortized Cost 235,759,000 [6],[7],[35],[43],[53]   236,286,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: PetVet Care Centers, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 6,652,000   3,326,000
Unfunded Commitment 26,606,000   29,932,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: PetVet Care Centers, LLC | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.00% [35],[43],[48],[53]   6.00% [31],[40],[47],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 0    
Ending balance 3,326,000 [35],[43],[48],[53]   $ 0 [31],[40],[47],[54]
Amortized Cost 6,463,000 [6],[7],[35],[43],[48],[53]   $ 3,119,000 [8],[9],[31],[40],[47],[54]
Investment, Identifier [Axis]: Phoenix Newco, Inc. (dba Parexel) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [40],[54]     2.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 7,019,000    
Ending balance [40],[54]     $ 7,019,000
Amortized Cost [8],[9],[40],[54]     $ 6,979,000
Investment, Identifier [Axis]: Physician Partners, LLC | First lien senior secured loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.00% [35],[43],[51]   6.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 158,250,000    
Ending balance 166,205,000 [35],[43],[51]   $ 158,250,000 [31],[40],[52]
Amortized Cost $ 167,772,000 [6],[7],[35],[43],[51]   $ 167,759,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Physician Partners, LLC | First lien senior secured loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 1.50% [43],[51]   1.50% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 8,534,000    
Ending balance 12,177,000 [43],[51]   $ 8,534,000 [40],[52]
Amortized Cost $ 12,348,000 [6],[7],[43],[51]   $ 11,957,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: Physician Partners, LLC | First lien senior secured loan 3 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [35],[51]   3.00% [31],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[52] $ 41,859,000    
Ending balance 58,802,000 [35],[51]   $ 41,859,000 [31],[52]
Amortized Cost 59,521,000 [6],[7],[35],[51]   57,870,000 [8],[9],[31],[52]
Investment, Identifier [Axis]: Pike Corp. | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 2,513,000   0
Unfunded Commitment 5,711,000   53,430,000
Unfunded Fair Value $ 0 [45]   $ (134,000) [46]
Investment, Identifier [Axis]: Pike Corp. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[53]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 244,547,000    
Ending balance 244,547,000 [35],[43],[53]   $ 244,547,000 [31],[40],[52]
Amortized Cost 244,585,000 [6],[7],[35],[43],[53]   244,552,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Pike Corp. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 35,620,000   35,620,000
Unfunded Fair Value $ (178,000) [45]   $ (178,000) [46]
Investment, Identifier [Axis]: Ping Identity Holding Corp. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.75% [35],[43],[53]   2.75% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 35,046,000    
Ending balance 34,563,000 [35],[43],[53]   $ 35,046,000 [40],[52]
Amortized Cost $ 34,916,000 [6],[7],[35],[43],[53]   34,914,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: Ping Identity Holding Corp. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment     0
Unfunded Commitment     0
Unfunded Fair Value [46]     $ 0
Investment, Identifier [Axis]: Plano HoldCo, Inc. (dba Perficient) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.50% [43],[51]   3.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 24,006,000    
Ending balance 19,800,000 [43],[51]   $ 24,006,000 [31],[40],[52]
Amortized Cost 24,650,000 [6],[7],[43],[51]   $ 24,708,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup) | First lien senior secured delayed draw term loan 1 | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [43],[51],[76] 2,488,000    
Amortized Cost [6],[7],[43],[51],[76] 3,989,000    
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup) | First lien senior secured delayed draw term loan 2 | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[48],[51],[76] 2,341,000    
Amortized Cost [6],[7],[35],[43],[48],[51],[76] 2,341,000    
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup) | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[32],[40],[52],[69]     6.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[40],[52],[69] 3,301,000    
Ending balance [31],[32],[40],[52],[69]     $ 3,301,000
Amortized Cost [8],[9],[31],[32],[40],[52],[69]     $ 3,989,000
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[32],[40],[52],[69]     5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[40],[52],[69] 87,205,000    
Ending balance 65,648,000 [35],[43],[51],[76]   $ 87,205,000 [31],[32],[40],[52],[69]
Amortized Cost 105,818,000 [6],[7],[35],[43],[51],[76]   105,818,000 [8],[9],[31],[32],[40],[52],[69]
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 13,107,000   12,799,000
Unfunded Commitment 0   0
Unfunded Fair Value 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Plasma Buyer LLC (dba PathGroup) | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[32],[40],[52],[69]     5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[40],[52],[69] 9,920,000    
Ending balance 7,471,000 [35],[43],[51],[76]   $ 9,920,000 [31],[32],[40],[52],[69]
Amortized Cost 12,076,000 [6],[7],[35],[43],[51],[76]   12,076,000 [8],[9],[31],[32],[40],[52],[69]
Investment, Identifier [Axis]: Pluralsight, LLC      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 2,303,000 3,477,000 3,477,000
Gross Additions 6,000 [26]   129,000 [27]
Gross Reductions (3,000) [28]   0 [29],[30]
Net Change in Unrealized Gain/(Loss) (660,000)   (1,303,000)
Realized Gain/(Loss)     0
Ending balance 1,646,000   2,303,000
PIK dividend income 25,000   0
Interest and PIK Income 0   207,000
Other income 1,000   3,000
Investment, Identifier [Axis]: Pluralsight, LLC | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 496,000   496,000
Unfunded Fair Value (27,000) [45]   (10,000) [46]
Investment, Identifier [Axis]: Pluralsight, LLC | First lien senior secured loan 1 | Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[40],[41],[52],[69] 1,133,000    
Ending balance 540,000 [35],[36],[43],[44],[53],[76]   1,133,000 [31],[32],[40],[41],[52],[69]
Amortized Cost $ 1,345,000 [6],[7],[35],[36],[43],[44],[53],[76]   $ 1,345,000 [8],[9],[31],[32],[40],[41],[52],[69]
Investment, Identifier [Axis]: Pluralsight, LLC | First lien senior secured loan 2 | Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [35],[43],[44],[53]   3.00% [31],[40],[41],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[41],[52] $ 1,184,000    
Ending balance 763,000 [35],[43],[44],[53]   $ 1,184,000 [31],[40],[41],[52]
Amortized Cost $ 807,000 [6],[7],[35],[43],[44],[53]   1,208,000 [8],[9],[31],[40],[41],[52]
Investment, Identifier [Axis]: Pluralsight, LLC | First lien senior secured loan 3 | Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[44],[51] 3.00%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[44],[51] $ 381,000    
Amortized Cost [6],[7],[35],[43],[44],[51] 404,000    
Investment, Identifier [Axis]: Pluralsight, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 198,000   198,000
Unfunded Fair Value $ (11,000) [45]   $ (4,000) [46]
Investment, Identifier [Axis]: Plusgrade Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.50% [35],[38],[43],[51]   3.50% [34],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [34],[40],[54] $ 23,585,000    
Ending balance 22,583,000 [35],[38],[43],[51]   $ 23,585,000 [34],[40],[54]
Amortized Cost 23,524,000 [6],[7],[35],[38],[43],[51]   $ 23,585,000 [8],[9],[34],[40],[54]
Investment, Identifier [Axis]: Polar Investors LP (dba Dentalcorp) | Common Equity      
Schedule of Investments [Line Items]      
Funded Commitment 8,520,000    
Unfunded Commitment 2,130,000    
Unfunded Fair Value [45] 0    
Investment, Identifier [Axis]: Polar Investors LP (dba Dentalcorp) | Common Equity | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[36],[37],[38],[42],[43],[48] 8,526,000    
Amortized Cost [6],[7],[35],[36],[37],[38],[42],[43],[48] $ 8,520,000    
Investment, Identifier [Axis]: Pregis Topco LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.00% [43],[53]   4.00% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 16,697,000    
Ending balance 3,696,000 [43],[53]   $ 16,697,000 [40],[54]
Amortized Cost $ 3,696,000 [6],[7],[43],[53]   $ 16,534,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Pregis Topco LLC | Second lien senior secured loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 7.75% [35],[43],[53]   7.75% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 2,500,000    
Ending balance 2,500,000 [35],[43],[53]   $ 2,500,000 [31],[40],[54]
Amortized Cost $ 2,500,000 [6],[7],[35],[43],[53]   $ 2,500,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Pregis Topco LLC | Second lien senior secured loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.75% [35],[43],[53]   6.75% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 30,000,000    
Ending balance 30,000,000 [35],[43],[53]   $ 30,000,000 [31],[40],[54]
Amortized Cost 30,000,000 [6],[7],[35],[43],[53]   30,000,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Premise Health Holding Corp. | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 7,995,000   0
Unfunded Commitment 5,343,000   13,358,000
Unfunded Fair Value $ 0 [45]   $ (67,000) [46]
Investment, Identifier [Axis]: Premise Health Holding Corp. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[48],[51]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 100,035,000    
Ending balance 119,850,000 [35],[43],[48],[51]   $ 100,035,000 [31],[40],[52]
Amortized Cost 121,031,000 [6],[7],[35],[43],[48],[51]   100,565,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Premise Health Holding Corp. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 11,308,000   11,308,000
Unfunded Fair Value $ (170,000) [45]   $ (113,000) [46]
Investment, Identifier [Axis]: ProAmpac PG Borrower LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.00% [43],[53]   4.00% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 63,532,000    
Ending balance 33,716,000 [43],[53]   $ 63,532,000 [40],[52]
Amortized Cost $ 34,478,000 [6],[7],[43],[53]   $ 63,511,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: Project Alpha Intermediate Holding, Inc. (dba Qlik) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.25% [43],[51]   3.25% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 54,245,000    
Ending balance 40,120,000 [43],[51]   $ 54,245,000 [40],[52]
Amortized Cost 53,205,000 [6],[7],[43],[51]   54,313,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: Project Alpine Co-Invest Fund, LP | LP Interest | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[34],[40] 22,325,000    
Ending balance 18,520,000 [35],[36],[37],[38],[43]   22,325,000 [31],[32],[33],[34],[40]
Amortized Cost 17,012,000 [6],[7],[35],[36],[37],[38],[43]   17,012,000 [8],[9],[31],[32],[33],[34],[40]
Investment, Identifier [Axis]: Project Hotel California Co-Invest Fund, L.P. | LP Interest | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [32],[33],[34],[40] 5,734,000    
Ending balance 3,417,000 [36],[37],[38],[43]   5,734,000 [32],[33],[34],[40]
Amortized Cost $ 3,508,000 [6],[7],[36],[37],[38],[43]   $ 3,508,000 [8],[9],[32],[33],[34],[40]
Investment, Identifier [Axis]: Proofpoint, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [43],[51]   3.00% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 32,841,000    
Ending balance 31,535,000 [43],[51]   $ 32,841,000 [40],[52]
Amortized Cost $ 32,495,000 [6],[7],[43],[51]   $ 32,566,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: Proofpoint, Inc. | Second lien senior secured loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.75% [35],[43],[51]   5.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 35,748,000    
Ending balance 33,871,000 [35],[43],[51]   $ 35,748,000 [31],[40],[52]
Amortized Cost $ 35,403,000 [6],[7],[35],[43],[51]   $ 35,390,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Proofpoint, Inc. | Second lien senior secured loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.75% [35],[43],[59]   5.75% [31],[40],[60]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[60] $ 36,728,000    
Ending balance 34,140,000 [35],[43],[59]   $ 36,728,000 [31],[40],[60]
Amortized Cost $ 35,403,000 [6],[7],[35],[43],[59]   $ 35,396,000 [8],[9],[31],[40],[60]
Investment, Identifier [Axis]: Puma Buyer, LLC (dba PANTHERx) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.25% [35],[43],[51]   4.25% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 183,449,000    
Ending balance 182,989,000 [35],[43],[51]   $ 183,449,000 [31],[40],[52]
Amortized Cost 181,872,000 [6],[7],[35],[43],[51]   182,293,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Puma Buyer, LLC (dba PANTHERx) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 31,523,000   31,523,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Pushpay USA Inc | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.75% [35],[38],[43],[51]   3.75% [31],[34],[40],[56]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[56] $ 8,988,000    
Ending balance 1,154,000 [35],[38],[43],[51]   $ 8,988,000 [31],[34],[40],[56]
Amortized Cost $ 1,190,000 [6],[7],[35],[38],[43],[51]   9,034,000 [8],[9],[31],[34],[40],[56]
Investment, Identifier [Axis]: Pye-Barker Fire & Safety, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment     0
Unfunded Commitment     0
Unfunded Fair Value [46]     $ 0
Investment, Identifier [Axis]: QAD, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[53]   4.75% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 45,811,000    
Ending balance 45,007,000 [35],[43],[53]   $ 45,811,000 [31],[40],[54]
Amortized Cost 45,692,000 [6],[7],[35],[43],[53]   45,811,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: QAD, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 6,000,000   6,000,000
Unfunded Fair Value (90,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Quva Pharma, Inc. | First lien senior secured loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[52]     2.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] 5,695,000    
Ending balance [31],[40],[52]     $ 5,695,000
Amortized Cost [8],[9],[31],[40],[52]     $ 5,800,000
Investment, Identifier [Axis]: Quva Pharma, Inc. | First lien senior secured loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[52]     2.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 436,000    
Ending balance [31],[40],[52]     $ 436,000
Amortized Cost [8],[9],[31],[40],[52]     448,000
Investment, Identifier [Axis]: Quva Pharma, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[51] 2.75%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[51] $ 5,768,000    
Amortized Cost [6],[7],[35],[43],[51] 5,882,000    
Investment, Identifier [Axis]: Quva Pharma, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   336,000
Unfunded Commitment 455,000   118,000
Unfunded Fair Value (14,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Quva Pharma, Inc. | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[47],[52]     5.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 323,000    
Ending balance [31],[40],[47],[52]     $ 323,000
Amortized Cost [8],[9],[31],[40],[47],[52]     $ 336,000
Investment, Identifier [Axis]: RELATIVITY INTERMEDIATE HOLDCO LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [43],[51] 2.75%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [43],[51] $ 22,192,000    
Amortized Cost [6],[7],[43],[51] $ 22,445,000    
Investment, Identifier [Axis]: RL Datix Holdings (USA), Inc. | First lien senior secured GBP term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[57]   5.00% [31],[40],[58]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[58] $ 41,168,000    
Ending balance 39,656,000 [35],[43],[57]   $ 41,168,000 [31],[40],[58]
Amortized Cost 41,306,000 [6],[7],[35],[43],[57]   41,306,000 [8],[9],[31],[40],[58]
Investment, Identifier [Axis]: RL Datix Holdings (USA), Inc. | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 14,908,000   14,908,000
Unfunded Fair Value $ (112,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: RL Datix Holdings (USA), Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[55]   5.00% [31],[40],[56]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[56] $ 66,094,000    
Ending balance 64,937,000 [35],[43],[55]   $ 66,094,000 [31],[40],[56]
Amortized Cost 66,094,000 [6],[7],[35],[43],[55]   66,094,000 [8],[9],[31],[40],[56]
Investment, Identifier [Axis]: RL Datix Holdings (USA), Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 13,053,000   13,053,000
Unfunded Fair Value (228,000) [45]   0 [46]
Investment, Identifier [Axis]: Raven Acquisition Holdings, LLC (dba R1 RCM) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 1,922,000   1,783,000
Unfunded Fair Value $ (29,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Raven Acquisition Holdings, LLC (dba R1 RCM) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [43],[53]   3.00% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 24,843,000    
Ending balance 26,091,000 [43],[53]   $ 24,843,000 [40],[54]
Amortized Cost $ 26,538,000 [6],[7],[43],[53]   $ 24,698,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: RealPage, Inc. | First lien senior secured loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [43],[51]   3.00% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 18,147,000    
Ending balance 15,127,000 [43],[51]   $ 18,147,000 [40],[52]
Amortized Cost $ 15,793,000 [6],[7],[43],[51]   $ 18,161,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: RealPage, Inc. | First lien senior secured loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.75% [43],[51]   3.75% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 25,713,000    
Ending balance 17,058,000 [43],[51]   $ 25,713,000 [40],[52]
Amortized Cost $ 17,541,000 [6],[7],[43],[51]   $ 25,547,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: Red Planet Borrower, LLC (dba Liftoff Mobile) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [54] 4.00% [43]   4.00% [40]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 62,056,000    
Ending balance [54] 60,392,000 [43]   $ 62,056,000 [40]
Amortized Cost [54] 61,326,000 [6],[7],[43]   $ 61,464,000 [8],[9],[40]
Investment, Identifier [Axis]: Reinstated NewCo S.À R.L. (dba Netceed) | First lien senior secured loan      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[55] 7,117,000    
Amortized Cost [6],[7],[35],[43],[55] 7,149,000    
Investment, Identifier [Axis]: Relativity ODA LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[54]     4.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] 32,738,000    
Ending balance [31],[40],[54]     $ 32,738,000
Amortized Cost [8],[9],[31],[40],[54]     32,639,000
Investment, Identifier [Axis]: Relativity ODA LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment     0
Unfunded Commitment     2,797,000
Unfunded Fair Value [46]     $ 0
Investment, Identifier [Axis]: Renaissance Learning, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [40],[54]     4.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 1,000    
Ending balance [40],[54]     $ 1,000
Amortized Cost [8],[9],[40],[54]     $ 1,000
Investment, Identifier [Axis]: Resonetics, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.75% [43],[51]   2.75% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 39,840,000    
Ending balance 16,514,000 [43],[51]   $ 39,840,000 [40],[52]
Amortized Cost 16,602,000 [6],[7],[43],[51]   39,800,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: Rhea Acquisition Holdings, LP | Series A-2 Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 12,303,000    
Ending balance 11,438,000 [35],[36],[37],[43]   12,303,000 [31],[32],[33],[40]
Amortized Cost $ 11,964,000 [6],[7],[35],[36],[37],[43]   $ 11,964,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: Rhea Parent, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[51]   5.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 199,266,000    
Ending balance 198,764,000 [35],[43],[51]   $ 199,266,000 [31],[40],[52]
Amortized Cost 200,289,000 [6],[7],[35],[43],[51]   200,774,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Rhea Parent, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 21,596,000   21,596,000
Unfunded Fair Value $ (216,000) [45]   $ (216,000) [46]
Investment, Identifier [Axis]: Rocket BidCo, Inc. (dba Recochem) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[38],[43],[51]   4.75% [31],[34],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[52] $ 353,542,000    
Ending balance 350,886,000 [35],[38],[43],[51]   $ 353,542,000 [31],[34],[40],[52]
Amortized Cost 347,237,000 [6],[7],[35],[38],[43],[51]   347,877,000 [8],[9],[31],[34],[40],[52]
Investment, Identifier [Axis]: Rome Topco Holdings, LLC (dba SimpliSafe) | Class A Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 10,876,000    
Ending balance 10,876,000 [35],[36],[37],[43]   10,876,000 [31],[32],[33],[40]
Amortized Cost 10,876,000 [6],[7],[35],[36],[37],[43]   10,876,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: Rome Topco Holdings, LLC (dba SimpliSafe) | Class B Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 0    
Ending balance 0 [35],[36],[37],[43]   0 [31],[32],[33],[40]
Amortized Cost 0 [6],[7],[35],[36],[37],[43]   0 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: Romulus Intermediate Holdings 1 Inc. (dba PetVet Care Centers) | Series A Preferred Stock | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[33],[39],[40] 30,468,000    
Ending balance 31,407,000 [35],[37],[42],[43]   30,468,000 [31],[33],[39],[40]
Amortized Cost $ 37,732,000 [6],[7],[35],[37],[42],[43]   $ 36,346,000 [8],[9],[31],[33],[39],[40]
Investment, Identifier [Axis]: Rushmore Investment III LLC (dba Winland Foods) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[51]   5.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 506,877,000    
Ending balance 504,323,000 [35],[43],[51]   $ 506,877,000 [31],[40],[52]
Amortized Cost $ 501,684,000 [6],[7],[35],[43],[51]   $ 502,793,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: SCHP Purchaser, Inc. (dba St. Croix Hospice) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[51]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 118,115,000    
Ending balance 117,519,000 [35],[43],[51]   $ 118,115,000 [31],[40],[52]
Amortized Cost 118,172,000 [6],[7],[35],[43],[51]   118,139,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: SCHP Purchaser, Inc. (dba St. Croix Hospice) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 19,885,000   19,885,000
Unfunded Fair Value (298,000) [45]   (199,000) [46]
Investment, Identifier [Axis]: STS PARENT, LLC (dba STS Aviation Group) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 2,950,000   0
Unfunded Commitment 7,115,000   37,550,000
Unfunded Fair Value $ 0 [45]   $ (188,000) [46]
Investment, Identifier [Axis]: STS PARENT, LLC (dba STS Aviation Group) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[51]   5.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 132,824,000    
Ending balance 132,490,000 [35],[43],[51]   $ 132,824,000 [31],[40],[52]
Amortized Cost 133,274,000 [6],[7],[35],[43],[51]   133,591,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: STS PARENT, LLC (dba STS Aviation Group) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 11,828,000   10,702,000
Unfunded Commitment 3,192,000   4,318,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: STS PARENT, LLC (dba STS Aviation Group) | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[48],[51]   5.00% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 10,552,000    
Ending balance 11,678,000 [35],[43],[48],[51]   $ 10,552,000 [31],[40],[47],[52]
Amortized Cost $ 11,776,000 [6],[7],[35],[43],[48],[51]   $ 10,646,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: SWK BUYER, Inc. (dba Stonewall Kitchen) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[43],[51]   5.25% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 56,138,000    
Ending balance 55,704,000 [35],[43],[51]   $ 56,138,000 [31],[40],[52]
Amortized Cost 57,160,000 [6],[7],[35],[43],[51]   57,267,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: SWK BUYER, Inc. (dba Stonewall Kitchen) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 5,579,000   5,579,000
Unfunded Fair Value (195,000) [45]   (167,000) [46]
Investment, Identifier [Axis]: Saber Parent Holdings Corp. (dba Service Logic) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 24,780,000   24,780,000
Unfunded Fair Value $ (186,000) [45]   $ (62,000) [46]
Investment, Identifier [Axis]: Saber Parent Holdings Corp. (dba Service Logic) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.50% [35],[43],[51]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 89,380,000    
Ending balance 89,431,000 [35],[43],[51]   $ 89,380,000 [31],[40],[52]
Amortized Cost 89,900,000 [6],[7],[35],[43],[51]   89,382,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Saber Parent Holdings Corp. (dba Service Logic) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 3,634,000   0
Unfunded Commitment 8,756,000   12,390,000
Unfunded Fair Value $ 0 [45]   (62,000) [46]
Investment, Identifier [Axis]: Saber Parent Holdings Corp. (dba Service Logic) | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[48],[74] 3.50%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[48],[74] $ 3,511,000    
Amortized Cost [6],[7],[35],[43],[48],[74] 3,575,000    
Investment, Identifier [Axis]: Salinger Bidco Inc. (dba Surgical Information Systems) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 18,684,000   5,742,000
Unfunded Fair Value $ (187,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Salinger Bidco Inc. (dba Surgical Information Systems) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.75% [35],[43],[51]   5.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 59,336,000    
Ending balance 59,188,000 [35],[43],[51]   $ 59,336,000 [31],[40],[52]
Amortized Cost 58,604,000 [6],[7],[35],[43],[51]   58,578,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Salinger Bidco Inc. (dba Surgical Information Systems) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   479,000
Unfunded Commitment 5,742,000   5,264,000
Unfunded Fair Value (14,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Salinger Bidco Inc. (dba Surgical Information Systems) | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[47],[52]     5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 479,000    
Ending balance [31],[40],[47],[52]     $ 479,000
Amortized Cost [8],[9],[31],[40],[47],[52]     $ 411,000
Investment, Identifier [Axis]: Saphilux S.a.r.L. (dba IQ-EQ) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [38],[43],[55]   3.00% [34],[40],[56]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [34],[40],[56] $ 41,093,000    
Ending balance 37,496,000 [38],[43],[55]   $ 41,093,000 [34],[40],[56]
Amortized Cost 37,578,000 [6],[7],[38],[43],[55]   40,864,000 [8],[9],[34],[40],[56]
Investment, Identifier [Axis]: Savor Acquisition, Inc. (dba Sauer Brands) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 5,742,000   1,962,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Savor Acquisition, Inc. (dba Sauer Brands) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [43],[51]   3.00% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 20,754,000    
Ending balance 2,679,000 [43],[51]   $ 20,754,000 [40],[52]
Amortized Cost $ 2,673,000 [6],[7],[43],[51]   $ 20,640,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: Securonix, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.50% [43],[51]   3.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 27,801,000    
Ending balance 25,036,000 [35],[43],[51]   $ 27,801,000 [31],[40],[52]
Amortized Cost 30,948,000 [6],[7],[35],[43],[51]   30,642,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Securonix, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 5,339,000   5,339,000
Unfunded Fair Value $ (1,041,000) [45]   $ (521,000) [46]
Investment, Identifier [Axis]: Senderra RX Acquisition, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[48],[53] 4.75%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[48],[53] $ 62,960,000    
Amortized Cost [6],[7],[35],[43],[48],[53] 62,969,000    
Investment, Identifier [Axis]: Senderra RX Acquisition, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 2,235,000    
Unfunded Commitment 8,938,000    
Unfunded Fair Value [45] 0    
Investment, Identifier [Axis]: Sensor Technology Topco, Inc. (dba Humanetics) | First lien senior secured EUR delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[60]     7.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[60] $ 1,141,000    
Ending balance [31],[40],[60]     $ 1,141,000
Amortized Cost [8],[9],[31],[40],[60]     $ 1,033,000
Investment, Identifier [Axis]: Sensor Technology Topco, Inc. (dba Humanetics) | First lien senior secured EUR term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.75% [35],[43],[59]   6.75% [31],[40],[60]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[60] $ 50,054,000    
Ending balance 50,106,000 [35],[43],[59]   $ 50,054,000 [31],[40],[60]
Amortized Cost 47,212,000 [6],[7],[35],[43],[59]   $ 46,259,000 [8],[9],[31],[40],[60]
Investment, Identifier [Axis]: Sensor Technology Topco, Inc. (dba Humanetics) | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[52]     6.94%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 4,777,000    
Ending balance [31],[40],[52]     $ 4,777,000
Amortized Cost [8],[9],[31],[40],[52]     $ 4,777,000
Investment, Identifier [Axis]: Sensor Technology Topco, Inc. (dba Humanetics) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.50% [35],[43],[51]   6.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 249,583,000    
Ending balance 253,750,000 [35],[43],[51]   $ 249,583,000 [31],[40],[52]
Amortized Cost 253,266,000 [6],[7],[35],[43],[51]   249,216,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Sensor Technology Topco, Inc. (dba Humanetics) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 1,371,000   6,854,000
Unfunded Commitment 19,191,000   13,708,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Sensor Technology Topco, Inc. (dba Humanetics) | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.50% [35],[43],[48],[53]   6.50% [31],[40],[47],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 6,854,000    
Ending balance 1,371,000 [35],[43],[48],[53]   $ 6,854,000 [31],[40],[47],[54]
Amortized Cost 1,365,000 [6],[7],[35],[43],[48],[53]   6,835,000 [8],[9],[31],[40],[47],[54]
Investment, Identifier [Axis]: Sentinel Buyer Corp. (dba SimpliSafe) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 6,556,000   0
Unfunded Commitment 20,641,000   18,684,000
Unfunded Fair Value $ 0 [45]   $ (93,000) [46]
Investment, Identifier [Axis]: Sentinel Buyer Corp. (dba SimpliSafe) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[53]   5.00% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 222,072,000    
Ending balance 220,950,000 [35],[43],[53]   $ 222,072,000 [31],[40],[54]
Amortized Cost 222,168,000 [6],[7],[35],[43],[53]   222,108,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Severin Acquisition, LLC (dba PowerSchool) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 34,709,000   5,732,000
Unfunded Commitment 11,099,000   21,481,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Severin Acquisition, LLC (dba PowerSchool) | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[48],[53]   4.75% [31],[40],[47],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 5,499,000    
Ending balance 5,639,000 [35],[43],[48],[53]   $ 5,499,000 [31],[40],[47],[54]
Amortized Cost $ 6,420,000 [6],[7],[35],[43],[48],[53]   $ 5,594,000 [8],[9],[31],[40],[47],[54]
Investment, Identifier [Axis]: Severin Acquisition, LLC (dba PowerSchool) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.50% [35],[43],[53]   2.50% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 130,028,000    
Ending balance 127,026,000 [35],[43],[53]   $ 130,028,000 [31],[40],[54]
Amortized Cost 130,867,000 [6],[7],[35],[43],[53]   130,525,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Severin Acquisition, LLC (dba PowerSchool) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 4,353,000   0
Unfunded Commitment 11,972,000   16,326,000
Unfunded Fair Value $ 0 [45]   (204,000) [46]
Investment, Identifier [Axis]: Severin Acquisition, LLC (dba PowerSchool) | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[48],[53] 4.50%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[48],[53] $ 3,741,000    
Amortized Cost [6],[7],[35],[43],[48],[53] 4,225,000    
Investment, Identifier [Axis]: SimonMed, Inc. | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 33,754,000   32,034,000
Unfunded Commitment 6,317,000   13,861,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: SimonMed, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[48],[51]   4.75% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 268,150,000    
Ending balance 269,509,000 [35],[43],[48],[51]   $ 268,150,000 [31],[40],[47],[52]
Amortized Cost 270,992,000 [6],[7],[35],[43],[48],[51]   268,882,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: SimonMed, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 16,879,000   13,810,000
Unfunded Commitment 13,810,000   16,879,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: SimonMed, Inc. | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[48],[51]   4.55% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 13,580,000    
Ending balance 16,572,000 [35],[43],[48],[51]   $ 13,580,000 [31],[40],[47],[52]
Amortized Cost 16,754,000 [6],[7],[35],[43],[48],[51]   13,679,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Simplicity Financial Marketing Group Holdings, Inc. | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 2,305,000   19,154,000
Unfunded Commitment 18,042,000   20,994,000
Unfunded Fair Value $ (311,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Simplicity Financial Marketing Group Holdings, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[48],[51]   4.75% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 168,915,000    
Ending balance 182,222,000 [35],[43],[48],[51]   $ 168,915,000 [31],[40],[47],[52]
Amortized Cost 181,601,000 [6],[7],[35],[43],[48],[51]   167,328,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Simplicity Financial Marketing Group Holdings, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 20,119,000   20,119,000
Unfunded Fair Value $ (101,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Sitecore Holding III A/S | First lien senior secured EUR term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.50% [35],[43],[68]   7.00% [31],[40],[60]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[60] $ 31,001,000    
Ending balance 29,485,000 [35],[43],[68]   $ 31,001,000 [31],[40],[60]
Amortized Cost $ 27,812,000 [6],[7],[35],[43],[68]   $ 27,818,000 [8],[9],[31],[40],[60]
Investment, Identifier [Axis]: Sitecore Holding III A/S | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.50% [35],[43],[55]   7.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 4,577,000    
Ending balance 4,437,000 [35],[43],[55]   $ 4,577,000 [31],[40],[52]
Amortized Cost $ 4,555,000 [6],[7],[35],[43],[55]   $ 4,556,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Sitecore USA, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.50% [35],[43],[55]   7.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 27,591,000    
Ending balance 26,749,000 [35],[43],[55]   $ 27,591,000 [31],[40],[52]
Amortized Cost 27,463,000 [6],[7],[35],[43],[55]   27,470,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Smarsh Inc. | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 15,932,000   20,347,000
Unfunded Fair Value $ 0 [45]   $ (25,000) [46]
Investment, Identifier [Axis]: Smarsh Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[48],[51]   4.75% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 111,956,000    
Ending balance 108,481,000 [35],[43],[48],[51]   $ 111,956,000 [31],[40],[47],[52]
Amortized Cost 112,403,000 [6],[7],[35],[43],[48],[51]   111,957,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Smarsh Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 2,303,000   4,175,000
Unfunded Commitment 8,493,000   6,622,000
Unfunded Fair Value 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Snacking Investments US LLC (dba Arnott's Group) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [34],[40],[52]     3.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [34],[40],[52] 14,070,000    
Ending balance [34],[40],[52]     $ 14,070,000
Amortized Cost [8],[9],[34],[40],[52]     13,966,000
Investment, Identifier [Axis]: Snowbird Manager LP | Limited Partner Interest      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [32],[33],[34],[40],[61] 4,225,000    
Ending balance 4,279,000 [36],[37],[38],[43],[62]   4,225,000 [32],[33],[34],[40],[61]
Amortized Cost 4,225,000 [6],[7],[36],[37],[38],[43],[62]   4,225,000 [8],[9],[32],[33],[34],[40],[61]
Investment, Identifier [Axis]: Soleo Holdings, Inc. | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 10,745,000   0
Unfunded Commitment 7,898,000   15,932,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Soleo Holdings, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[51]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 108,560,000    
Ending balance 108,271,000 [35],[43],[51]   $ 108,560,000 [31],[40],[52]
Amortized Cost 107,800,000 [6],[7],[35],[43],[51]   108,072,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Soleo Holdings, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 15,932,000   15,932,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Soliant Lower Intermediate, LLC (dba Soliant) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.75% [43],[55]   3.75% [40],[56]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[56] $ 51,549,000    
Ending balance 47,534,000 [43],[55]   $ 51,549,000 [40],[56]
Amortized Cost 62,081,000 [6],[7],[43],[55]   62,000,000 [8],[9],[40],[56]
Investment, Identifier [Axis]: Soliant Lower Intermediate, LLC (dba Soliant) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 15,556,000   15,556,000
Unfunded Fair Value (4,044,000) [45]   (3,072,000) [46]
Investment, Identifier [Axis]: Sonny's Enterprises, LLC | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 2,747,000   8,713,000
Unfunded Commitment 13,215,000   9,957,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Sonny's Enterprises, LLC | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.50% [35],[43],[48],[51]   6.50% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 8,713,000    
Ending balance 10,745,000 [35],[43],[48],[51]   $ 8,713,000 [31],[40],[47],[52]
Amortized Cost $ 10,641,000 [6],[7],[35],[43],[48],[51]   $ 8,598,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Sonny's Enterprises, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.50% [35],[43],[51]   5.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 163,951,000    
Ending balance 163,525,000 [35],[43],[51]   $ 163,951,000 [31],[40],[52]
Amortized Cost 163,186,000 [6],[7],[35],[43],[51]   163,499,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Sonny's Enterprises, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 20,755,000   10,394,000
Unfunded Commitment 5,147,000   15,507,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Sonny's Enterprises, LLC | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.50% [35],[43],[48],[51]   5.50% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 10,265,000    
Ending balance 20,625,000 [35],[43],[48],[51]   $ 10,265,000 [31],[40],[47],[52]
Amortized Cost $ 20,635,000 [6],[7],[35],[43],[48],[51]   $ 10,253,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Sophos Holdings, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.50% [38],[43],[53]   3.50% [34],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [34],[40],[54] $ 51,059,000    
Ending balance 48,372,000 [38],[43],[53]   $ 51,059,000 [34],[40],[54]
Amortized Cost 50,868,000 [6],[7],[38],[43],[53]   50,986,000 [8],[9],[34],[40],[54]
Investment, Identifier [Axis]: Southern Air & Heat Holdings, LLC | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   10,420,000
Unfunded Commitment 17,957,000   20,889,000
Unfunded Fair Value $ (359,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Southern Air & Heat Holdings, LLC | First lien senior secured delayed draw term loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[55] 5.25%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[55] $ 7,902,000    
Amortized Cost [6],[7],[35],[43],[55] $ 7,828,000    
Investment, Identifier [Axis]: Southern Air & Heat Holdings, LLC | First lien senior secured delayed draw term loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[48],[55] 4.75%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[48],[55] $ 2,667,000    
Amortized Cost [6],[7],[35],[43],[48],[55] 2,703,000    
Investment, Identifier [Axis]: Southern Air & Heat Holdings, LLC | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[47],[56]     5.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[56] $ 10,420,000    
Ending balance [31],[40],[47],[56]     $ 10,420,000
Amortized Cost [8],[9],[31],[40],[47],[56]     $ 9,898,000
Investment, Identifier [Axis]: Southern Air & Heat Holdings, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[48],[51]   4.75% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 2,169,000    
Ending balance 20,291,000 [35],[43],[48],[51]   $ 2,169,000 [31],[40],[47],[52]
Amortized Cost 20,404,000 [6],[7],[35],[43],[48],[51]   2,157,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Southern Air & Heat Holdings, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 287,000   30,000
Unfunded Commitment 2,372,000   252,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Sovos Compliance, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.25% [43],[53]   3.25% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 42,996,000    
Ending balance 40,543,000 [43],[53]   $ 42,996,000 [40],[54]
Amortized Cost 42,810,000 [6],[7],[43],[53]   42,919,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Spaceship Purchaser, Inc. (dba Squarespace) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 15,459,000   0
Unfunded Commitment 66,511,000   17,957,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Spaceship Purchaser, Inc. (dba Squarespace) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.75% [35],[43],[51]   3.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 95,352,000    
Ending balance 93,922,000 [35],[43],[51]   $ 95,352,000 [31],[40],[52]
Amortized Cost 95,111,000 [6],[7],[35],[43],[51]   95,352,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Spaceship Purchaser, Inc. (dba Squarespace) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 14,965,000   14,965,000
Unfunded Fair Value (374,000) [45]   0 [46]
Investment, Identifier [Axis]: Spotless Brands, LLC | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   11,844,000
Unfunded Commitment 37,550,000   70,156,000
Unfunded Fair Value $ (188,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Spotless Brands, LLC | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[48],[51]   5.00% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 11,493,000    
Ending balance 15,094,000 [35],[43],[48],[51]   $ 11,493,000 [31],[40],[47],[52]
Amortized Cost $ 15,156,000 [6],[7],[35],[43],[48],[51]   $ 11,524,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Spotless Brands, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.75% [35],[43],[51]   5.75% [31],[40],[56]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[56] $ 80,882,000    
Ending balance 80,673,000 [35],[43],[51]   $ 80,882,000 [31],[40],[56]
Amortized Cost 80,201,000 [6],[7],[35],[43],[51]   80,362,000 [8],[9],[31],[40],[56]
Investment, Identifier [Axis]: Spotless Brands, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   449,000
Unfunded Commitment 2,244,000   1,795,000
Unfunded Fair Value 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Spotless Brands, LLC | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[47],[54]     5.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] 449,000    
Ending balance [31],[40],[47],[54]     $ 449,000
Amortized Cost [8],[9],[31],[40],[47],[54]     $ 436,000
Investment, Identifier [Axis]: Spring Education Group, Inc. (fka SSH Group Holdings, Inc.) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [40],[52]     3.25%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] 15,094,000    
Ending balance [40],[52]     $ 15,094,000
Amortized Cost [8],[9],[40],[52]     15,031,000
Investment, Identifier [Axis]: Storable Intermediate Holdings, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] 30,135,000    
Ending balance 29,404,000 [35],[43],[53]   30,135,000 [31],[40],[54]
Amortized Cost $ 30,743,000 [6],[7],[35],[43],[53]   $ 30,002,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Storable, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.25% [43],[53]   3.25% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 63,044,000    
Ending balance 59,860,000 [43],[53]   $ 63,044,000 [40],[54]
Amortized Cost $ 62,551,000 [6],[7],[43],[53]   $ 62,705,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Summit Acquisition Inc. (dba K2 Insurance Services) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.50% [35],[43],[53]   3.50% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 23,819,000    
Ending balance 23,582,000 [35],[43],[53]   $ 23,819,000 [31],[40],[54]
Amortized Cost 23,641,000 [6],[7],[35],[43],[53]   23,701,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Sunshine Software Holdings, Inc. (dba Cornerstone OnDemand, Inc.) | Series A Preferred Stock | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[33],[39],[40] 16,636,000    
Ending balance 11,238,000 [35],[37],[42],[43]   16,636,000 [31],[33],[39],[40]
Amortized Cost 19,455,000 [6],[7],[35],[37],[42],[43]   $ 19,446,000 [8],[9],[31],[33],[39],[40]
Investment, Identifier [Axis]: SupplyOne, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [40],[54]     3.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] 2,997,000    
Ending balance [40],[54]     $ 2,997,000
Amortized Cost [8],[9],[40],[54]     3,000,000
Investment, Identifier [Axis]: TBRS, Inc. (dba TEAM Technologies) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 8,310,000   18,303,000
Unfunded Fair Value $ (229,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: TBRS, Inc. (dba TEAM Technologies) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[51]   4.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 155,095,000    
Ending balance 154,756,000 [35],[43],[51]   $ 155,095,000 [31],[40],[52]
Amortized Cost 154,817,000 [6],[7],[35],[43],[51]   155,131,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: TBRS, Inc. (dba TEAM Technologies) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 20,918,000   20,918,000
Unfunded Fair Value (105,000) [45]   (105,000) [46]
Investment, Identifier [Axis]: TCB Holdings I LLC (dba TricorBraun) | Class A Preferred Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[33],[39],[40] 92,646,000    
Ending balance 90,664,000 [35],[37],[42],[43]   92,646,000 [31],[33],[39],[40]
Amortized Cost 96,522,000 [6],[7],[35],[37],[42],[43]   96,507,000 [8],[9],[31],[33],[39],[40]
Investment, Identifier [Axis]: THG Acquisition, LLC (dba Hilb) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 20,317,000   6,009,000
Unfunded Commitment 6,858,000   14,682,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: THG Acquisition, LLC (dba Hilb) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[48],[53]   4.75% [31],[40],[47],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 98,773,000    
Ending balance 100,969,000 [35],[43],[48],[53]   $ 98,773,000 [31],[40],[47],[54]
Amortized Cost 101,532,000 [6],[7],[35],[43],[48],[53]   98,683,000 [8],[9],[31],[40],[47],[54]
Investment, Identifier [Axis]: THG Acquisition, LLC (dba Hilb) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 2,545,000   1,361,000
Unfunded Commitment 7,813,000   8,997,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Tacala, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [53]   3.00% [54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [54] $ 55,283,000    
Ending balance 54,750,000 [53]   $ 55,283,000 [54]
Amortized Cost 54,694,000 [6],[7],[53]   54,826,000 [8],[9],[54]
Investment, Identifier [Axis]: Tamarack Intermediate, L.L.C. (dba Verisk 3E) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   2,965,000
Unfunded Commitment 18,303,000   7,115,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Tamarack Intermediate, L.L.C. (dba Verisk 3E) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[48],[51]   5.00% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 41,016,000    
Ending balance 39,739,000 [35],[43],[48],[51]   $ 41,016,000 [31],[40],[47],[52]
Amortized Cost 40,540,000 [6],[7],[35],[43],[48],[51]   40,613,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Tamarack Intermediate, L.L.C. (dba Verisk 3E) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 5,336,000   5,336,000
Unfunded Fair Value $ (133,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: The Better Being Co., LLC (fka Nutraceutical International Corporation) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 6.00% [35],[43],[53]   6.00% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 167,854,000    
Ending balance 167,434,000 [35],[43],[53]   $ 167,854,000 [31],[40],[54]
Amortized Cost 167,537,000 [6],[7],[35],[43],[53]   167,869,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: The Better Being Co., LLC (fka Nutraceutical International Corporation) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 13,257,000   13,257,000
Unfunded Fair Value $ (133,000) [45]   $ (133,000) [46]
Investment, Identifier [Axis]: The Liberty Company Insurance Brokers, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.75% [35],[43],[55]   3.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 25,063,000    
Ending balance 16,585,000 [35],[43],[55]   $ 25,063,000 [31],[40],[52]
Amortized Cost $ 17,239,000 [6],[7],[35],[43],[55]   24,878,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: The Shade Store, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[51] 6.00%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 18,281,000    
Ending balance 18,969,000 [35],[43],[51]   18,281,000 [31],[40],[52]
Amortized Cost 19,131,000 [6],[7],[35],[43],[51]   18,313,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Themis Solutions Inc. (dba Clio) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 7,901,000   0
Unfunded Commitment 12,770,000   8,310,000
Unfunded Fair Value $ 0 [45]   $ (83,000) [46]
Investment, Identifier [Axis]: Themis Solutions Inc. (dba Clio) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 1.75% [35],[43],[53]   1.75% [31],[34],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[54] $ 19,322,000    
Ending balance 19,159,000 [35],[43],[53]   $ 19,322,000 [31],[34],[40],[54]
Amortized Cost 19,517,000 [6],[7],[35],[43],[53]   19,328,000 [8],[9],[31],[34],[40],[54]
Investment, Identifier [Axis]: Themis Solutions Inc. (dba Clio) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 6,925,000   6,925,000
Unfunded Fair Value $ (190,000) [45]   $ (69,000) [46]
Investment, Identifier [Axis]: Thevelia (US) LLC (dba Tricor) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.00% [38],[51]   3.00% [34],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [34],[52] $ 10,963,000    
Ending balance 10,681,000 [38],[51]   $ 10,963,000 [34],[52]
Amortized Cost 10,908,000 [6],[7],[38],[51]   10,935,000 [8],[9],[34],[52]
Investment, Identifier [Axis]: Thunder Purchaser, Inc. (dba Vector Solutions) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   20,369,000
Unfunded Commitment 10,055,000   6,858,000
Unfunded Fair Value $ (302,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Thunder Purchaser, Inc. (dba Vector Solutions) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[43],[48],[51]   5.25% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 44,328,000    
Ending balance 43,036,000 [35],[43],[48],[51]   $ 44,328,000 [31],[40],[47],[52]
Amortized Cost 44,062,000 [6],[7],[35],[43],[48],[51]   44,157,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Thunder Purchaser, Inc. (dba Vector Solutions) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 1,021,000   1,021,000
Unfunded Fair Value (20,000) [45]   0 [46]
Investment, Identifier [Axis]: Thunder Topco L.P. (dba Vector Solutions) | Common Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 848,000    
Ending balance 749,000 [35],[36],[37],[43]   848,000 [31],[32],[33],[40]
Amortized Cost $ 713,000 [6],[7],[35],[36],[37],[43]   $ 713,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: Tivity Health, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[53]   5.00% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 74,263,000    
Ending balance 74,075,000 [35],[43],[53]   $ 74,263,000 [31],[40],[54]
Amortized Cost 74,075,000 [6],[7],[35],[43],[53]   74,264,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Total Portfolio Company Commitments      
Schedule of Investments [Line Items]      
Funded Commitment 1,589,157,000   1,289,177,000
Unfunded Commitment 5,431,921,000   5,301,647,000
Unfunded Fair Value (33,790,000) [45]   (11,228,000) [46]
Investment, Identifier [Axis]: Total controlled/affiliated - debt commitments      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 10,157,000   10,157,000
Unfunded Fair Value (152,000) [45]   (51,000) [46]
Investment, Identifier [Axis]: Total controlled/affiliated - equity commitments      
Schedule of Investments [Line Items]      
Funded Commitment 606,620,000   323,400,000
Unfunded Commitment 397,434,000   157,834,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Total non-controlled/affiliated - debt commitments      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 694,000   694,000
Unfunded Fair Value (38,000) [45]   (14,000) [46]
Investment, Identifier [Axis]: Total non-controlled/affiliated - equity commitments      
Schedule of Investments [Line Items]      
Funded Commitment 9,000,000   9,000,000
Unfunded Commitment 36,000,000   36,000,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Total non-controlled/non-affiliated - debt commitments      
Schedule of Investments [Line Items]      
Funded Commitment 879,695,000   874,202,000
Unfunded Commitment 4,967,706,000   5,076,414,000
Unfunded Fair Value (33,600,000) [45]   (11,163,000) [46]
Investment, Identifier [Axis]: Total non-controlled/non-affiliated - equity commitments      
Schedule of Investments [Line Items]      
Funded Commitment 93,842,000   82,575,000
Unfunded Commitment 19,930,000   20,548,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Tricentis Operations Holdings, Inc. | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 25,000,000   10,055,000
Unfunded Fair Value $ (281,000) [45]   $ (50,000) [46]
Investment, Identifier [Axis]: Tricentis Operations Holdings, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.75% [35],[43],[51]   1.38% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 51,641,000    
Ending balance 50,964,000 [35],[43],[51]   $ 51,641,000 [31],[40],[52]
Amortized Cost 52,374,000 [6],[7],[35],[43],[51]   51,710,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Tricentis Operations Holdings, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 6,284,000   6,284,000
Unfunded Fair Value $ (220,000) [45]   $ (63,000) [46]
Investment, Identifier [Axis]: Tricorbraun Holdings, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.25% [43],[53]   3.25% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 71,448,000    
Ending balance 76,421,000 [43],[53]   $ 71,448,000 [40],[54]
Amortized Cost 79,954,000 [6],[7],[43],[53]   73,702,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Troon Golf, L.L.C. | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 27,106,000   27,175,000
Unfunded Commitment 27,449,000   27,449,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Troon Golf, L.L.C. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[48],[51]   4.50% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 378,812,000    
Ending balance 377,851,000 [35],[43],[48],[51]   $ 378,812,000 [31],[40],[47],[52]
Amortized Cost 377,683,000 [6],[7],[35],[43],[48],[51]   378,625,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: Troon Golf, L.L.C. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 27,449,000   27,449,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Trucordia Insurance Holdings, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.25% [35],[43],[53]   3.25% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 102,962,000    
Ending balance 98,823,000 [35],[43],[53]   $ 102,962,000 [31],[40],[54]
Amortized Cost $ 103,245,000 [6],[7],[35],[43],[53]   $ 103,496,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Trucordia Insurance Holdings, LLC | Second lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.75% [35],[43],[53]   5.75% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 275,061,000    
Ending balance 268,167,000 [35],[43],[53]   $ 275,061,000 [31],[40],[54]
Amortized Cost $ 273,183,000 [6],[7],[35],[43],[53]   $ 273,121,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Truist Insurance Holdings, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.75% [43],[51]   2.75% [40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[52] $ 3,501,000    
Ending balance 3,446,000 [43],[51]   $ 3,501,000 [40],[52]
Amortized Cost 3,492,000 [6],[7],[43],[51]   3,492,000 [8],[9],[40],[52]
Investment, Identifier [Axis]: Truist Insurance Holdings, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 3,405,000   0
Unfunded Commitment 3,614,000   7,019,000
Unfunded Fair Value $ 0 [45]   0 [46]
Investment, Identifier [Axis]: Truist Insurance Holdings, LLC | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[48],[51] 3.25%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[48],[51] $ 3,370,000    
Amortized Cost [6],[7],[35],[43],[48],[51] 3,405,000    
Investment, Identifier [Axis]: U.S. Urology Partners LLC | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 1,531,000   0
Unfunded Commitment 692,000   25,000,000
Unfunded Fair Value 0 [45]   (156,000) [46]
Investment, Identifier [Axis]: USIC Holdings, Inc. | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 6,149,000   1,274,000
Unfunded Commitment 7,774,000   954,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: USIC Holdings, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.50% [35],[48],[51]   5.50% [31],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[47],[52] $ 37,836,000    
Ending balance 38,000,000 [35],[48],[51]   $ 37,836,000 [31],[47],[52]
Amortized Cost 38,681,000 [6],[7],[35],[48],[51]   38,507,000 [8],[9],[31],[47],[52]
Investment, Identifier [Axis]: USIC Holdings, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 4,194,000   2,262,000
Unfunded Commitment 635,000   2,566,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: USIC Holdings, Inc. | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[48],[51]   5.25% [31],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[47],[52] $ 2,142,000    
Ending balance 4,073,000 [35],[48],[51]   $ 2,142,000 [31],[47],[52]
Amortized Cost 4,156,000 [6],[7],[35],[48],[51]   2,223,000 [8],[9],[31],[47],[52]
Investment, Identifier [Axis]: USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   6,164,000
Unfunded Commitment 25,624,000   7,774,000
Unfunded Fair Value $ (134,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[48]   5.00% [31],[40],[47],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 43,017,000    
Ending balance 42,906,000 [35],[43],[48]   $ 43,017,000 [31],[40],[47],[54]
Amortized Cost 42,719,000 [6],[7],[35],[43],[48]   42,819,000 [8],[9],[31],[40],[47],[54]
Investment, Identifier [Axis]: USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 4,975,000   4,975,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Unified Women's Healthcare, LP | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 6,628,000   14,872,000
Unfunded Fair Value $ (8,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Unified Women's Healthcare, LP | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[53]   5.00% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 124,150,000    
Ending balance 52,668,000 [35],[43],[53]   $ 124,150,000 [31],[40],[54]
Amortized Cost $ 52,636,000 [6],[7],[35],[43],[53]   $ 123,454,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Unified Women's Healthcare, LP | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[51]   5.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 163,067,000    
Ending balance 240,568,000 [35],[43],[51]   $ 163,067,000 [31],[40],[52]
Amortized Cost 240,549,000 [6],[7],[35],[43],[51]   162,216,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Unified Women's Healthcare, LP | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 8,120,000   8,120,000
Unfunded Fair Value (41,000) [45]   0 [46]
Investment, Identifier [Axis]: Unit4 Group Holding B.V. | First lien senior secured EUR delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 11,965,000   12,196,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Unit4 Group Holding B.V. | First lien senior secured EUR revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 15,954,000   16,262,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Unit4 Group Holding B.V. | First lien senior secured EUR term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 127,628,000   130,093,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: VCI Asset Holdings 1 LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 10.00% [35],[38],[42],[43]   10.00% [31],[34],[39],[40]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[39],[40] $ 212,175,000    
Ending balance 209,710,000 [35],[38],[42],[43]   $ 212,175,000 [31],[34],[39],[40]
Amortized Cost 201,685,000 [6],[7],[35],[38],[42],[43]   212,214,000 [8],[9],[31],[34],[39],[40]
Investment, Identifier [Axis]: VCI Intermediate TopCo 1 LLC | Class B Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[34],[40] 10,715,000    
Ending balance 10,225,000 [35],[36],[37],[38],[43]   10,715,000 [31],[32],[33],[34],[40]
Amortized Cost 10,335,000 [6],[7],[35],[36],[37],[38],[43]   $ 10,719,000 [8],[9],[31],[32],[33],[34],[40]
Investment, Identifier [Axis]: VEPF VIII Co-Invest 8-A, L.P. | Limited Partner Interest | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[36],[37],[43] 2,367,000    
Amortized Cost [6],[7],[35],[36],[37],[43] $ 2,367,000    
Investment, Identifier [Axis]: VIRTUSA CORPORATION | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.25% [43],[53]   3.25% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 16,435,000    
Ending balance 14,672,000 [43],[53]   $ 16,435,000 [40],[54]
Amortized Cost 16,385,000 [6],[7],[43],[53]   $ 16,428,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Valeris, Inc. (fka Phantom Purchaser, Inc.) | First lien senior secured loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[52]     5.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 88,525,000    
Ending balance [31],[40],[52]     $ 88,525,000
Amortized Cost [8],[9],[31],[40],[52]     $ 87,766,000
Investment, Identifier [Axis]: Valeris, Inc. (fka Phantom Purchaser, Inc.) | First lien senior secured loan 1| Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[51] 5.00%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[51] $ 88,302,000    
Amortized Cost [6],[7],[35],[43],[51] 87,571,000    
Investment, Identifier [Axis]: Valeris, Inc. (fka Phantom Purchaser, Inc.) | First lien senior secured loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[52]     4.75%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 183,126,000    
Ending balance [31],[40],[52]     $ 183,126,000
Amortized Cost [8],[9],[31],[40],[52]     181,888,000
Investment, Identifier [Axis]: Valeris, Inc. (fka Phantom Purchaser, Inc.) | First lien senior secured loan 2| Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[51] 4.75%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[51] $ 182,665,000    
Amortized Cost [6],[7],[35],[43],[51] 181,489,000    
Investment, Identifier [Axis]: Valeris, Inc. (fka Phantom Purchaser, Inc.) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 33,898,000   33,898,000
Unfunded Fair Value (85,000) [45]   (85,000) [46]
Investment, Identifier [Axis]: Valor Compute Infrastructure L.P. | LP Interest      
Schedule of Investments [Line Items]      
Funded Commitment 6,430,000   3,751,000
Unfunded Commitment 4,286,000   6,965,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Valor Compute Infrastructure L.P. | LP Interest | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[34],[40],[47] 3,750,000    
Ending balance 6,279,000 [35],[36],[37],[38],[43],[48]   3,750,000 [31],[32],[33],[34],[40],[47]
Amortized Cost $ 6,430,000 [6],[7],[35],[36],[37],[38],[43],[48]   $ 3,751,000 [8],[9],[31],[32],[33],[34],[40],[47]
Investment, Identifier [Axis]: Velocity HoldCo III Inc. (dba VelocityEHS) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.50% [35],[43],[51]   5.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 4,043,000    
Ending balance 3,952,000 [35],[43],[51]   $ 4,043,000 [31],[40],[52]
Amortized Cost 4,033,000 [6],[7],[35],[43],[51]   4,043,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Velocity HoldCo III Inc. (dba VelocityEHS) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 258,000   399,000
Unfunded Fair Value $ (5,000) [45]   0 [46]
Investment, Identifier [Axis]: Vensure Employer Services, Inc. | First lien senior secured EUR delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[43],[51] 5.00%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[51] $ 233,282,000    
Amortized Cost [6],[7],[35],[43],[51] 233,033,000    
Investment, Identifier [Axis]: Vensure Employer Services, Inc. | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 22,053,000   0
Unfunded Commitment 1,831,000   3,125,000
Unfunded Fair Value 0 [45]   $ (16,000) [46]
Investment, Identifier [Axis]: Vensure Employer Services, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[52]     5.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 193,470,000    
Ending balance [31],[40],[52]     $ 193,470,000
Amortized Cost [8],[9],[31],[40],[52]     $ 193,741,000
Investment, Identifier [Axis]: Vermont Aus Pty Ltd | First lien senior secured AUD term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[38],[43],[77]   4.50% [31],[34],[40],[78]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[78] $ 46,671,000    
Ending balance 47,571,000 [35],[38],[43],[77]   $ 46,671,000 [31],[34],[40],[78]
Amortized Cost 46,096,000 [6],[7],[35],[38],[43],[77]   46,216,000 [8],[9],[31],[34],[40],[78]
Investment, Identifier [Axis]: Vessco Midco Holdings, LLC | First lien senior secured delayed draw term loan 1      
Schedule of Investments [Line Items]      
Funded Commitment 0   19,745,000
Unfunded Commitment 23,778,000   4,140,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Vessco Midco Holdings, LLC | First lien senior secured delayed draw term loan 2      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 5,405,000   23,778,000
Unfunded Fair Value (216,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Vessco Midco Holdings, LLC | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[47],[52]     4.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 19,745,000    
Ending balance [31],[40],[47],[52]     $ 19,745,000
Amortized Cost [8],[9],[31],[40],[47],[52]     $ 19,560,000
Investment, Identifier [Axis]: Vessco Midco Holdings, LLC | First lien senior secured loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[53]   4.50% [31],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[54] $ 71,654,000    
Ending balance 71,654,000 [35],[43],[53]   $ 71,654,000 [31],[40],[54]
Amortized Cost $ 71,072,000 [6],[7],[35],[43],[53]   $ 71,051,000 [8],[9],[31],[40],[54]
Investment, Identifier [Axis]: Vessco Midco Holdings, LLC | First lien senior secured loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[48],[55]   4.50% [31],[40],[56]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[56] $ 24,457,000    
Ending balance 46,510,000 [35],[43],[48],[55]   $ 24,457,000 [31],[40],[56]
Amortized Cost 46,207,000 [6],[7],[35],[43],[48],[55]   24,337,000 [8],[9],[31],[40],[56]
Investment, Identifier [Axis]: Vessco Midco Holdings, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 7,962,000   7,962,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Vestwell Holdings Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[43],[51] 22,249,000    
Amortized Cost [6],[7],[35],[43],[51] 22,641,000    
Investment, Identifier [Axis]: Vestwell Holdings Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0    
Unfunded Commitment 1,507,000    
Unfunded Fair Value [45] (60,000)    
Investment, Identifier [Axis]: Vestwell Holdings Inc. | Series D Preferred Stock      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 1,134,000    
Ending balance 1,013,000 [35],[36],[37],[43]   1,134,000 [31],[32],[33],[40]
Amortized Cost 1,007,000 [6],[7],[35],[36],[37],[43]   1,007,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: Vestwell Holdings Inc. | Series E Preferred Stock      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [37],[42],[43] 9,302,000    
Amortized Cost [6],[7],[37],[42],[43] 9,796,000    
Investment, Identifier [Axis]: Vestwell Holdings Inc. | Warrants      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[36],[37],[43] 384,000    
Amortized Cost [6],[7],[35],[36],[37],[43] 412,000    
Investment, Identifier [Axis]: Victors Purchaser, LLC (dba Service Express) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 8,737,000   8,737,000
Unfunded Fair Value $ (44,000) [45]   $ (22,000) [46]
Investment, Identifier [Axis]: Victors Purchaser, LLC (dba Service Express) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[51]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 111,264,000    
Ending balance 110,706,000 [35],[43],[51]   $ 111,264,000 [31],[40],[52]
Amortized Cost 111,279,000 [6],[7],[35],[43],[51]   111,265,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Victors Purchaser, LLC (dba Service Express) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   1,419,000
Unfunded Commitment 16,617,000   15,199,000
Unfunded Fair Value (125,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Victors Purchaser, LLC (dba Service Express) | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[40],[47],[54]     4.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[54] $ 1,377,000    
Ending balance [31],[40],[47],[54]     $ 1,377,000
Amortized Cost [8],[9],[31],[40],[47],[54]     $ 1,336,000
Investment, Identifier [Axis]: Vistage International, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.75% [43],[51]   3.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 29,388,000    
Ending balance 29,073,000 [43],[51]   $ 29,388,000 [31],[40],[52]
Amortized Cost $ 29,459,000 [6],[7],[43],[51]   $ 29,536,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Vital Bidco AB (dba Vitamin Well) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.25% [35],[38],[43],[53]   4.25% [31],[34],[40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[34],[40],[54] $ 224,343,000    
Ending balance 223,777,000 [35],[38],[43],[53]   $ 224,343,000 [31],[34],[40],[54]
Amortized Cost 220,242,000 [6],[7],[35],[38],[43],[53]   220,675,000 [8],[9],[31],[34],[40],[54]
Investment, Identifier [Axis]: Vital Bidco AB (dba Vitamin Well) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 52,912,000   52,912,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: W.A. Kendall and Company, LLC | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 141,000   11,413,000
Unfunded Commitment 113,000   47,840,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: W.A. Kendall and Company, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.75% [35],[43],[55]   5.75% [31],[40],[47],[56]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[56] $ 51,644,000    
Ending balance 40,808,000 [35],[43],[55]   $ 51,644,000 [31],[40],[47],[56]
Amortized Cost 41,279,000 [6],[7],[35],[43],[55]   52,249,000 [8],[9],[31],[40],[47],[56]
Investment, Identifier [Axis]: W.A. Kendall and Company, LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 5,909,000   4,553,000
Unfunded Commitment 2,230,000   3,587,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: W.A. Kendall and Company, LLC | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.75% [35],[43],[48],[51]   5.88% [31],[40],[47],[56]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[56] $ 4,431,000    
Ending balance 15,947,000 [35],[43],[48],[51]   $ 4,431,000 [31],[40],[47],[56]
Amortized Cost $ 16,727,000 [6],[7],[35],[43],[48],[51]   $ 4,480,000 [8],[9],[31],[40],[47],[56]
Investment, Identifier [Axis]: WCG Intermediate Corp. (f/k/a Da Vinci Purchaser Corp.) (dba WCG) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.75% [43],[53]   3.00% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 29,892,000    
Ending balance 28,968,000 [43],[53]   $ 29,892,000 [40],[54]
Amortized Cost 29,775,000 [6],[7],[43],[53]   29,732,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: WMC Bidco, Inc. (dba West Monroe) | Senior Preferred Stock | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[33],[39],[40] 52,327,000    
Ending balance 52,984,000 [35],[37],[42],[43]   52,327,000 [31],[33],[39],[40]
Amortized Cost 53,932,000 [6],[7],[35],[37],[42],[43]   52,412,000 [8],[9],[31],[33],[39],[40]
Investment, Identifier [Axis]: WP Irving Co-Invest, L.P. | Partnership Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[34],[40] 1,805,000    
Ending balance 1,257,000 [35],[36],[37],[38],[43]   1,805,000 [31],[32],[33],[34],[40]
Amortized Cost 730,000 [6],[7],[35],[36],[37],[38],[43]   730,000 [8],[9],[31],[32],[33],[34],[40]
Investment, Identifier [Axis]: WU Holdco, Inc. (dba PurposeBuilt Brands) | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 46,130,000   46,130,000
Unfunded Fair Value $ (115,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: WU Holdco, Inc. (dba PurposeBuilt Brands) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[48],[51]   4.75% [31],[40],[47],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[52] $ 190,400,000    
Ending balance 190,756,000 [35],[43],[48],[51]   $ 190,400,000 [31],[40],[47],[52]
Amortized Cost 191,318,000 [6],[7],[35],[43],[48],[51]   189,932,000 [8],[9],[31],[40],[47],[52]
Investment, Identifier [Axis]: WU Holdco, Inc. (dba PurposeBuilt Brands) | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 3,075,000   1,230,000
Unfunded Commitment 11,276,000   13,121,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC | First lien senior secured delayed draw term loan 1      
Schedule of Investments [Line Items]      
Funded Commitment 11,384,000   141,000
Unfunded Commitment 47,840,000   201,000
Unfunded Fair Value 0 [45]   (6,000) [46]
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC | First lien senior secured delayed draw term loan 2      
Schedule of Investments [Line Items]      
Funded Commitment 305,000   305,000
Unfunded Commitment 131,000   131,000
Unfunded Fair Value $ 0 [45]   0 [46]
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[36],[42],[43],[48],[76] 10.00%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[40],[47],[52],[69] $ 46,000    
Ending balance 1,336,000 [35],[36],[42],[43],[48],[76]   46,000 [31],[32],[40],[47],[52],[69]
Amortized Cost 1,304,000 [6],[7],[35],[36],[42],[43],[48],[76]   $ 3,072,000 [8],[9],[31],[32],[40],[47],[52],[69]
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [31],[32],[39],[40],[47],[69]     10.00%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[39],[40],[47],[69] $ 1,346,000    
Ending balance [31],[32],[39],[40],[47],[69]     $ 1,346,000
Amortized Cost [8],[9],[31],[32],[39],[40],[47],[69]     1,305,000
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment     1,333,000
Unfunded Commitment     0
Unfunded Fair Value [46]     0
Investment, Identifier [Axis]: Walker Edison Furniture Company LLC | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[36],[43],[48],[55],[76] 6.75%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[40],[47],[52],[69] $ 0    
Ending balance 17,000 [35],[36],[43],[48],[55],[76]   0 [31],[32],[40],[47],[52],[69]
Amortized Cost 587,000 [6],[7],[35],[36],[43],[48],[55],[76]   1,297,000 [8],[9],[31],[32],[40],[47],[52],[69]
Investment, Identifier [Axis]: Walker Edison Holdco LLC | Common Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 0    
Ending balance [31],[32],[33],[40]     0
Amortized Cost [8],[9],[31],[32],[33],[40]     $ 2,821,000
Investment, Identifier [Axis]: Wand Newco 3, Inc. (dba Caliber ) | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [40],[54]     2.50%
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 21,354,000    
Ending balance [40],[54]     $ 21,354,000
Amortized Cost [8],[9],[40],[54]     $ 21,199,000
Investment, Identifier [Axis]: White Cap Supply Holdings, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.25% [43],[53]   3.25% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 41,030,000    
Ending balance 39,125,000 [43],[53]   $ 41,030,000 [40],[54]
Amortized Cost 40,629,000 [6],[7],[43],[53]   40,724,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Wingspire Capital Holdings LLC      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance 10,156,000 $ 0 0
Gross Additions 0 [26]   9,000,000 [27]
Gross Reductions 0 [28]   0 [29],[30]
Net Change in Unrealized Gain/(Loss) (8,000)   1,156,000
Realized Gain/(Loss)     0
Ending balance 10,148,000   10,156,000
PIK dividend income 0   128,000
Interest and PIK Income 214,000   0
Other income 0   0
Investment, Identifier [Axis]: Wingspire Capital Holdings LLC | Specialty finance equity investment      
Schedule of Investments [Line Items]      
Funded Commitment 9,000,000   9,000,000
Unfunded Commitment 36,000,000   36,000,000
Unfunded Fair Value 0 [45]   0 [46]
Investment, Identifier [Axis]: Wingspire Capital Holdings LLC | Specialty finance equity investment | Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[33],[40],[41],[47] 10,156,000    
Ending balance 10,148,000 [35],[37],[43],[44],[48]   10,156,000 [31],[33],[40],[41],[47]
Amortized Cost 9,000,000 [6],[7],[35],[37],[43],[44],[48]   9,000,000 [8],[9],[31],[33],[40],[41],[47]
Investment, Identifier [Axis]: Wipfli Advisory LLC | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 23,102,000   23,102,000
Unfunded Fair Value $ (116,000) [45]   $ (33,000) [46]
Investment, Identifier [Axis]: Wipfli Advisory LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.50% [35],[43],[51]   4.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 61,429,000    
Ending balance 61,144,000 [35],[43],[51]   $ 61,429,000 [31],[40],[52]
Amortized Cost 61,460,000 [6],[7],[35],[43],[51]   61,457,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Wipfli Advisory LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 15,401,000   15,401,000
Unfunded Fair Value (116,000) [45]   (44,000) [46]
Investment, Identifier [Axis]: Wrench Group LLC | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 32,404,000   32,404,000
Unfunded Fair Value $ (162,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Wrench Group LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 4.75% [35],[43],[51]   4.75% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 236,441,000    
Ending balance 234,660,000 [35],[43],[51]   $ 236,441,000 [31],[40],[52]
Amortized Cost 235,697,000 [6],[7],[35],[43],[51]   236,254,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Wrench Group LLC | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 12,097,000   6,049,000
Unfunded Commitment 20,307,000   26,355,000
Unfunded Fair Value $ 0 [45]   $ 0 [46]
Investment, Identifier [Axis]: Wrench Group LLC | First lien senior secured revolving loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.75% [35],[43],[48],[74]   3.75% [31],[40],[47],[75]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[47],[75] $ 5,887,000    
Ending balance 11,773,000 [35],[43],[48],[74]   $ 5,887,000 [31],[40],[47],[75]
Amortized Cost 11,922,000 [6],[7],[35],[43],[48],[74]   5,865,000 [8],[9],[31],[40],[47],[75]
Investment, Identifier [Axis]: XOMA Corporation | Warrants | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 518,000    
Ending balance 653,000 [35],[36],[37],[43]   518,000 [31],[32],[33],[40]
Amortized Cost $ 369,000 [6],[7],[35],[36],[37],[43]   $ 369,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: XPLOR T1, LLC | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.50% [35],[43],[51]   3.50% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 91,770,000    
Ending balance 84,903,000 [35],[43],[51]   $ 91,770,000 [31],[40],[52]
Amortized Cost $ 91,096,000 [6],[7],[35],[43],[51]   $ 91,312,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Zelis Cost Management Buyer, Inc. | First lien senior secured loan 1 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 2.75% [43],[53]   2.75% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 7,820,000    
Ending balance 7,622,000 [43],[53]   $ 7,820,000 [40],[54]
Amortized Cost $ 7,838,000 [6],[7],[43],[53]   $ 7,855,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Zelis Cost Management Buyer, Inc. | First lien senior secured loan 2 | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 3.25% [43],[53]   3.25% [40],[54]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [40],[54] $ 69,641,000    
Ending balance 67,692,000 [43],[53]   $ 69,641,000 [40],[54]
Amortized Cost 69,783,000 [6],[7],[43],[53]   69,949,000 [8],[9],[40],[54]
Investment, Identifier [Axis]: Zendesk, Inc. | First lien senior secured delayed draw term loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 1,250,000   14,609,000
Unfunded Fair Value $ (41,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Zendesk, Inc. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.00% [35],[43],[51]   5.00% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 201,214,000    
Ending balance 207,755,000 [35],[43],[51]   $ 201,214,000 [31],[40],[52]
Amortized Cost 213,538,000 [6],[7],[35],[43],[51]   199,306,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Zendesk, Inc. | First lien senior secured revolving loan      
Schedule of Investments [Line Items]      
Funded Commitment 0   0
Unfunded Commitment 17,609,000   17,609,000
Unfunded Fair Value $ (616,000) [45]   $ 0 [46]
Investment, Identifier [Axis]: Zest Acquisition Corp. | First lien senior secured loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate 5.25% [35],[43],[51]   5.25% [31],[40],[52]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[40],[52] $ 18,901,000    
Ending balance 18,659,000 [35],[43],[51]   $ 18,901,000 [31],[40],[52]
Amortized Cost 19,287,000 [6],[7],[35],[43],[51]   19,336,000 [8],[9],[31],[40],[52]
Investment, Identifier [Axis]: Zoro TopCo, Inc. | Series A Preferred Equity | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[33],[40],[52] 8,133,000    
Ending balance 5,871,000 [35],[37],[43],[51]   8,133,000 [31],[33],[40],[52]
Amortized Cost 5,964,000 [6],[7],[35],[37],[43],[51]   7,917,000 [8],[9],[31],[33],[40],[52]
Investment, Identifier [Axis]: Zoro TopCo, L.P. | Class A Common Units | Non-Affiliated Issuer      
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Beginning balance [31],[32],[33],[40] 15,491,000    
Ending balance 11,139,000 [35],[36],[37],[43]   15,491,000 [31],[32],[33],[40]
Amortized Cost $ 13,801,000 [6],[7],[35],[36],[37],[43]   $ 13,801,000 [8],[9],[31],[32],[33],[40]
Investment, Identifier [Axis]: dentalcorp Health Services Ltd. (fka Aryeh Bidco Investment Ltd.) | First lien senior secured delayed draw term loan | Non-Affiliated Issuer      
Schedule of Investments [Line Items]      
Investment, Basis Spread, Variable Rate [35],[38],[43],[48],[66] 5.00%    
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]      
Ending balance [35],[38],[43],[48],[66] $ 203,992,000    
Amortized Cost [6],[7],[35],[38],[43],[48],[66] $ 205,194,000    
[1] Amounts are presented in accordance with Regulation S-X 17 CFR § 210.12-13C. Refer to “Note 7 — Derivative Instruments” for additional details on the Company’s interest rate swaps.
[2] Certain portfolio company investments are subject to contractual restrictions on sales. Refer to footnote 30 for additional information on our restricted securities.
[3] Unless otherwise indicated, the Company’s portfolio companies are pledged as collateral supporting the amounts outstanding under the Revolving Credit Facility, SPV Asset Facilities and CLOs. See “Note 5 — Debt”.
[4] Certain portfolio company investments are subject to contractual restrictions on sales. Refer to footnote 30 for additional information on our restricted securities.
[5] Unless otherwise indicated, the Company’s portfolio companies are pledged as collateral supporting the amounts outstanding under the Revolving Credit Facility, SPV Asset Facilities and CLOs. See “Note 5 — Debt”.
[6] The amortized cost represents the original cost adjusted for the amortization and accretion of premiums and discounts, as applicable, on debt investments using the effective interest method.
[7] As of March 31, 2026, the net estimated unrealized loss on investments for U.S. federal income tax purposes was $441.4 million based on a tax cost basis of $35.94 billion. As of March 31, 2026, the estimated aggregate gross unrealized loss for U.S. federal income tax purposes was $727.3 million. As of March 31, 2026, the estimated aggregate gross unrealized gain for U.S. federal income tax purposes was $285.9 million.
[8] The amortized cost represents the original cost adjusted for the amortization and accretion of premiums and discounts, as applicable, on debt investments using the effective interest method.
[9] As of December 31, 2025, the net estimated unrealized loss on investments for U.S. federal income tax purposes was $9.4 million based on a tax cost basis of $35.9 billion. As of December 31, 2025, the estimated aggregate gross unrealized loss for U.S. federal income tax purposes was $358.1 million As of December 31, 2025, the estimated aggregate gross unrealized gain for U.S. federal income tax purposes was $348.7 million.
[10] Instrument is used in a hedge accounting relationship. The associated change in fair value is recorded along with the change in net carrying value of the hedging item within interest expense.
[11] Contains a variable rate structure. Bears interest at a rate determined by SOFR.
[12] The Company has an International Swaps and Derivatives Association (“ISDA”) agreement with Goldman Sachs Bank USA.
[13] Instrument is used in a hedge accounting relationship. The associated change in fair value is recorded along with the change in net carrying value of the hedging item within interest expense.
[14] Contains a variable rate structure. Bears interest at a rate determined by SOFR.
[15] The Company has an ISDA agreement with Goldman Sachs Bank USA.
[16] Contains a variable rate structure. Bears interest at a rate determined by Australian Bank Bill Swap Bid Rate (“BBSY” or “B”).
[17] Contains a variable rate structure. Bears interest at a rate determined by BBSY.
[18] The associated change in foreign exchange rate of derivative is recorded along with the change in foreign exchange rate of the note within translation of assets and liabilities in foreign currencies.
[19] The associated change in foreign exchange rate of derivative is recorded along with the change in foreign exchange rate of the note within translation of assets and liabilities in foreign currencies.
[20] The Company has an ISDA agreement with Deutsche Bank AG
[21] The Company has an ISDA agreement with Deutsche Bank AG.
[22] The Company has an ISDA agreement with US Bank National Association.
[23] The Company has an ISDA agreement with US Bank National Association.
[24] Contains a variable rate structure. Bears interest at a rate determined by EURIBOR.
(i)Amounts are presented in accordance with Regulation S-X 17 CFR § 210.12-13C. Refer to “Note 7 — Derivative Instruments” for additional details on the Company’s interest rate swaps.
Forward Contracts as of March 31, 2026
Notional Amount to be PurchasedNotional Amount to be SoldCounterpartySettlement Date
Unrealized Appreciation / (Depreciation)(a)
Footnote Reference
Foreign currency forward contract$60,819 £45,425 Royal Bank of Canada4/20/2026$733 Note 7
Foreign currency forward contract$208,508 C$286,242 US Bank National Association10/13/20261,162 Note 7
Foreign currency forward contract€58,000 $66,954 US Bank National Association5/29/2026237 Note 7
Total$2,132 
(a) Amounts are presented in accordance with Regulation S-X 17 CFR § 210.12-13B. Refer to “Note 7 — Derivative Instruments” for additional details on the Company’s foreign currency forward contracts.
_______________
[25] Contains a variable rate structure. Bears interest at a rate determined by EURIBOR.
[26] Gross additions may include increases in the cost basis of investments resulting from new investments, amounts related to PIK interest capitalized and added to the principal balance of the respective loans, the accretion of discounts, the exchange of one or more existing investments for one or more new investments from a different category.
[27] Gross additions may include increases in the cost basis of investments resulting from new investments, amounts related to PIK interest capitalized and added to the principal balance of the respective loans, the accretion of discounts, the exchange of one or more existing investments for one or more new investments from a different category.
[28] Gross reductions may include decreases in the cost basis of investments resulting from principal collections related to investment repayments and sales, return of capital, the amortization of premiums and the exchange of one or more existing securities for one or more new securities.
[29] For further description of the Company’s investment in OCIC SLF LLC (f/k/a Blue Owl Credit Income Senior Loan Fund LLC) (“OCIC SLF”), Blue Owl Credit SLF LLC (“Credit SLF”), and Blue Owl Leasing LLC (“Blue Owl Leasing”) see “Note 4 — Investments.”
[30] Gross reductions may include decreases in the cost basis of investments resulting from principal collections related to investment repayments and sales, return of capital, the amortization of premiums and the exchange of one or more existing securities for one or more new securities.
[31] Investments were valued using unobservable inputs and are considered Level 3 investments.
[32] Investment is non-income producing.
[33] Security acquired in transaction exempt from registration under the Securities Act of 1933, and may be deemed to be “restricted security” under the Securities Act. As of December 31, 2025, the aggregate fair value of these securities is $2.21 billion, or 11.2% of the Company’s net assets. The acquisition dates of the restricted securities are as follows:
Portfolio CompanyInvestmentAcquisition Date
25CXBFS SCSP (dba Xplor)Limited Partner InterestNovember 21, 2025
AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC**Specialty finance equity investmentJuly 1, 2022
AAM Series 2.1 Aviation Feeder, LLC**Specialty finance equity investmentJuly 1, 2022
Accelerate Topco Holdings, LLCCommon UnitsSeptember 1, 2022
AlphaSense, LLCSeries E Preferred SharesJune 27, 2024
Amergin Asset Management, LLCSpecialty finance equity investmentJuly 1, 2022
ASP Conair Holdings LPClass A UnitsMay 17, 2021
Baypine Commander Co-Invest, LPLP InterestJune 6, 2025
BEHP Co-Investor II, L.P.LP InterestMay 6, 2022
Bird Holding B.V. (fka MessageBird Holding B.V.)Extended Series C WarrantsMay 5, 2021
Blue Owl Credit SLF LLC*LLC InterestAugust 1, 2024
Blue Owl Cross-Strategy Opportunities 2025-1 LLC (fka Blue Owl Cross-Strategy Opportunities LLC)**
Specialty finance equity investmentSeptember 19, 2025
Blue Owl Leasing LLC**Joint VentureOctober 14, 2025
Brooklyn Lender Co-Invest 2, L.P. (dba Boomi)Common UnitsOctober 1, 2021
CD&R Value Building Partners I, L.P. (dba Belron)LP InterestDecember 2, 2021
Chrome Investors LPLP InterestJanuary 25, 2025
Dodge Construction Network Holdings, L.P.Class A-2 Common UnitsMarch 16, 2022
Dodge Construction Network Holdings, L.P.Series A Preferred UnitsMarch 16, 2022
Elliott Alto Co-Investor Aggregator L.P.LP InterestSeptember 28, 2022
Evolution Parent, LP (dba SIAA)LP InterestApril 30, 2021
Fifth Season Investments LLC**Specialty finance equity investmentOctober 17, 2022
Gloves Holdings, LP (dba Protective Industrial Products)LP InterestDecember 28, 2020
GrowthCurve Capital Sunrise Co-Invest LP (dba Brightway)LP InterestDecember 16, 2021
Hercules Buyer, LLC (dba The Vincit Group)Common UnitsDecember 15, 2020
Hissho Sushi Holdings, LLCClass A UnitsMay 17, 2022
Hockey Parent Holdings, L.P.Class A Common UnitsSeptember 14, 2023
Ideal Topco, L.P.Class A-1 Preferred UnitsFebruary 20, 2024
Ideal Topco, L.P.Class A-2 Common UnitsFebruary 20, 2024
Insight CP (Blocker) Holdings, L.P. (dba CivicPlus, LLC)LP InterestJune 8, 2022
Knockout Intermediate Holdings I Inc. (dba Kaseya Inc.)Perpetual Preferred StockJune 22, 2022
KOBHG Holdings, L.P. (dba OB Hospitalist)Class A InterestsSeptember 27, 2021
KPCI Co-Invest 2, L.P.Class A UnitsOctober 15, 2025
KWOL Acquisition, Inc. (dba Worldwide Clinical Trials)Class A InterestDecember 12, 2023
KWOR Intermediate I, Inc. (dba Alacrity Solutions)Preferred StockFebruary 28, 2025
KWOR Intermediate I, Inc. (dba Alacrity Solutions)Class A-1 Common StockFebruary 28, 2025
Lakefield Acquisition Corp. (dba Lakefield Veterinary Group)Common EquityJanuary 8, 2025
LSI Financing 1 DAC**Specialty finance equity investmentDecember 14, 2022
Portfolio CompanyInvestmentAcquisition Date
LSI Financing LLC**Specialty finance equity investmentNovember 25, 2024
Maia Aggregator, LPClass A-2 UnitsFebruary 1, 2022
Metis HoldCo, Inc. (dba Mavis Tire Express Services)Series A Convertible Preferred StockMay 3, 2021
Minerva Holdco, Inc.Senior A Preferred StockFebruary 14, 2022
ModMed Software Midco Holdings, Inc. (dba ModMed)Series A Preferred UnitsApril 30, 2025
Notorious Purchaser II, Inc. (dba Beauty Industry Group)**Class B Common StockDecember 19, 2025
Nscale Global Holdings LimitedSeries B Preferred SharesSeptember 29, 2025
Nscale Global Holdings LimitedPreferred equitySeptember 29, 2025
OCIC SLF LLC (fka Blue Owl Credit Income Senior Loan Fund LLC)*LLC InterestNovember 2, 2022
Orange Blossom Parent, Inc.Common UnitsJuly 29, 2022
Paradigmatic Holdco LLC (dba Pluralsight)Common stockAugust 22, 2024
Patriot Holdings SCSp (dba Corza Health, Inc.)Class A UnitsJanuary 29, 2021
Patriot Holdings SCSp (dba Corza Health, Inc.)Class B UnitsJanuary 29, 2021
PCF Holdco, LLC (dba Trucordia)Preferred equityFebruary 16, 2023
PCF Holdco, LLC (dba Trucordia)WarrantsFebruary 16, 2023
Percheron Horsepower-A LP (dba Big Brand Tire & Service)Limited Partner InterestSeptember 23, 2025
Project Alpine Co-Invest Fund, LPLP InterestJune 13, 2022
Project Hotel California Co-Invest Fund, L.P.LP InterestAugust 9, 2022
Rhea Acquisition Holdings, LPSeries A-2 UnitsFebruary 18, 2022
Rome Topco Holdings, LLC (dba SimpliSafe)Class A UnitsNovember 6, 2025
Rome Topco Holdings, LLC (dba SimpliSafe)Class B UnitsNovember 6, 2025
Romulus Intermediate Holdings 1 Inc. (dba PetVet Care Centers)Series A Preferred StockNovember 15, 2023
Snowbird Manager LPLimited Partner InterestDecember 17, 2025
Sunshine Software Holdings, Inc. (dba Cornerstone OnDemand, Inc.)Series A Preferred StockOctober 14, 2021
TCB Holdings I LLC (dba TricorBraun)Class A Preferred UnitsJanuary 31, 2025
Thunder Topco L.P. (dba Vector Solutions)Common UnitsJune 30, 2021
Valor Compute Infrastructure L.P.LP InterestOctober 3, 2025
VCI Intermediate TopCo 1 LLCClass B UnitsNovember 17, 2025
Vestwell Holdings Inc.Series D Preferred StockDecember 20, 2023
Walker Edison Holdco LLCCommon UnitsMarch 1, 2023
Wingspire Capital Holdings LLC**Specialty finance equity investmentNovember 7, 2025
WMC Bidco, Inc. (dba West Monroe)Senior Preferred StockNovember 9, 2021
WP Irving Co-Invest, L.P.Partnership UnitsMay 18, 2022
XOMA CorporationWarrantsDecember 15, 2023
Zoro TopCo, Inc.Series A Preferred EquityNovember 22, 2022
Zoro TopCo, L.P.Class A Common UnitsNovember 22, 2022
*Refer to “Note 4 — Investments - OCIC SLF LLC, Credit SLF and Blue Owl Leasing”, for further information.
** Refer to “Note 3 — Agreements and Related Party Transactions - Controlled/Affiliated Portfolio Companies.”
[34] This portfolio company is not a qualifying asset under Section 55(a) of the 1940 Act. Under the 1940 Act, the Company may not acquire any non-qualifying asset unless, at the time such acquisition is made, qualifying assets represent at least 70% of total assets. As of December 31, 2025, non-qualifying assets represented 13.3% of total assets as calculated in accordance with the regulatory requirements.
[35] Investments were valued using unobservable inputs and are considered Level 3 investments.
[36] Investment is non-income producing.
[37] Security acquired in transaction exempt from registration under the Securities Act of 1933, and may be deemed to be “restricted security” under the Securities Act. As of March 31, 2026, the aggregate fair value of these securities is $2.60 billion, or 13.6% of the Company’s net assets. The acquisition dates of the restricted securities are as follows:
Portfolio CompanyInvestmentAcquisition Date
25CXBFS SCSP (dba Xplor)Limited Partner InterestNovember 21, 2025
AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC**Specialty finance equity investmentJuly 1, 2022
AAM Series 2.1 Aviation Feeder, LLC**Specialty finance equity investmentJuly 1, 2022
Accelerate Topco Holdings, LLCCommon UnitsSeptember 1, 2022
AlphaSense, LLCSeries E Preferred SharesJune 27, 2024
Amergin Asset Management, LLCSpecialty finance equity investmentJuly 1, 2022
ASP Conair Holdings LPClass A UnitsMay 17, 2021
Baypine Commander Co-Invest, LPLP InterestJune 6, 2025
BEHP Co-Investor II, L.P.LP InterestMay 6, 2022
Bird Holding B.V. (fka MessageBird Holding B.V.)Extended Series C WarrantsMay 5, 2021
Blue Owl Credit SLF LLC*LLC InterestAugust 1, 2024
Blue Owl Cross-Strategy Opportunities 2025-1 LLC (fka Blue Owl Cross-Strategy Opportunities LLC)**Specialty finance equity investmentSeptember 19, 2025
Blue Owl Leasing LLC**LLC InterestOctober 14, 2025
Brooklyn Lender Co-Invest 2, L.P. (dba Boomi)Common UnitsOctober 1, 2021
Capital Integration Systems LLC (dba CAIS)Class D Common UnitsFebruary 27, 2026
CD&R Value Building Partners I, L.P. (dba Belron)LP InterestDecember 2, 2021
Chrome Investors LPLP InterestJanuary 25, 2025
Dodge Construction Network Holdings, L.P.Class A-2 Common UnitsMarch 16, 2022
Dodge Construction Network Holdings, L.P.Series A Preferred UnitsMarch 16, 2022
Elliott Alto Co-Investor Aggregator L.P.LP InterestSeptember 28, 2022
Equity NewCo S.A. (dba Netceed)Common EquityJanuary 29, 2026
Evolution Parent, LP (dba SIAA)LP InterestApril 30, 2021
Fifth Season Investments LLC**Specialty finance equity investmentOctober 17, 2022
Gloves Holdings, LP (dba Protective Industrial Products)LP InterestDecember 28, 2020
GrowthCurve Capital Sunrise Co-Invest LP (dba Brightway)LP InterestDecember 16, 2021
Hercules Buyer, LLC (dba The Vincit Group)Common UnitsDecember 15, 2020
Hissho Sushi Holdings, LLCClass A UnitsMay 17, 2022
Hockey Parent Holdings, L.P.Class A Common UnitsSeptember 14, 2023
Insight CP (Blocker) Holdings, L.P. (dba CivicPlus, LLC)LP InterestJune 8, 2022
Portfolio CompanyInvestmentAcquisition Date
Knockout Intermediate Holdings I Inc. (dba Kaseya Inc.)Perpetual Preferred StockJune 22, 2022
KOBHG Holdings, L.P. (dba OB Hospitalist)Class A InterestsSeptember 27, 2021
KPCI Co-Invest 2, L.P.Class A UnitsOctober 15, 2025
KWOL Acquisition, Inc. (dba Worldwide Clinical Trials)Class A InterestDecember 12, 2023
KWOR Intermediate I, Inc. (dba Alacrity Solutions)Preferred StockFebruary 28, 2025
KWOR Intermediate I, Inc. (dba Alacrity Solutions)Class A-1 Common StockFebruary 28, 2025
Lakefield Acquisition Corp. (dba Lakefield Veterinary Group)Common EquityJanuary 8, 2025
LSI Financing 1 DAC**Specialty finance equity investmentDecember 14, 2022
LSI Financing LLC**Specialty finance equity investmentNovember 25, 2024
Maia Aggregator, LPClass A-2 UnitsFebruary 1, 2022
Metis HoldCo, Inc. (dba Mavis Tire Express Services)Series A Convertible Preferred StockMay 3, 2021
Minerva Holdco, Inc.Senior A Preferred StockFebruary 14, 2022
ModMed Software Midco Holdings, Inc. (dba ModMed)Series A Preferred UnitsApril 30, 2025
Notorious Purchaser II, Inc. (dba Beauty Industry Group)**Class B Common StockDecember 19, 2025
Nova Women’s Health Partners Holdings, LPClass A UnitsJanuary 28, 2026
Nscale Global Holdings LimitedSeries B Preferred SharesSeptember 29, 2025
Nscale Global Holdings LimitedPreferred equitySeptember 29, 2025
OCIC SLF LLC (fka Blue Owl Credit Income Senior Loan Fund LLC)*LLC InterestNovember 2, 2022
Orange Blossom Parent, Inc.Common UnitsJuly 29, 2022
OWL-HP FINANCE LLC*Specialty finance equity investmentFebruary 9, 2026
Paradigmatic Holdco LLC (dba Pluralsight)Common stockAugust 22, 2024
Patriot Holdings SCSp (dba Corza Health, Inc.)Class A UnitsJanuary 29, 2021
Patriot Holdings SCSp (dba Corza Health, Inc.)Class B UnitsJanuary 29, 2021
PCF Holdco, LLC (dba Trucordia)Preferred equityFebruary 16, 2023
PCF Holdco, LLC (dba Trucordia)WarrantsFebruary 16, 2023
Percheron Horsepower-A LP (dba Big Brand Tire & Service)Limited Partner InterestSeptember 23, 2025
Polar Investors LP (dba Dentalcorp)Common EquityJanuary 13, 2026
Project Alpine Co-Invest Fund, LPLP InterestJune 13, 2022
Project Hotel California Co-Invest Fund, L.P.LP InterestAugust 9, 2022
Rhea Acquisition Holdings, LPSeries A-2 UnitsFebruary 18, 2022
Rome Topco Holdings, LLC (dba SimpliSafe)Class A UnitsNovember 6, 2025
Rome Topco Holdings, LLC (dba SimpliSafe)Class B UnitsNovember 6, 2025
Romulus Intermediate Holdings 1 Inc. (dba PetVet Care Centers)Series A Preferred StockNovember 15, 2023
Snowbird Manager LPLimited Partner InterestDecember 17, 2025
Sunshine Software Holdings, Inc. (dba Cornerstone OnDemand, Inc.)Series A Preferred StockOctober 14, 2021
TCB Holdings I LLC (dba TricorBraun)Class A Preferred UnitsJanuary 31, 2025
Thunder Topco L.P. (dba Vector Solutions)Common UnitsJune 30, 2021
Valor Cl Blocker Feeder LPLP InterestOctober 3, 2025
VCI Intermediate TopCo 1 LLCClass B UnitsNovember 17, 2025
VEPF VIII Co-Invest 8-A, L.P.Limited Partner InterestMarch 5, 2026
Vestwell Holdings Inc.Series D Preferred StockDecember 20, 2023
Vestwell Holdings Inc.Series E Preferred StockJanuary 30, 2026
Vestwell Holdings Inc.
Warrants
January 30, 2026
Wingspire Capital Holdings LLC**Specialty finance equity investmentNovember 7, 2025
WMC Bidco, Inc. (dba West Monroe)Senior Preferred StockNovember 9, 2021
WP Irving Co-Invest, L.P.Partnership UnitsMay 18, 2022
XOMA CorporationWarrantsDecember 15, 2023
Zoro TopCo, Inc.Series A Preferred EquityNovember 22, 2022
Zoro TopCo, L.P.Class A Common UnitsNovember 22, 2022
*Refer to “Note 4 — Investments - OCIC SLF LLC, Credit SLF and Blue Owl Leasing”, for further information.
** Refer to “Note 3 — Agreements and Related Party Transactions - Controlled/Affiliated Portfolio Companies.”
[38] This portfolio company is not a qualifying asset under Section 55(a) of the 1940 Act. Under the 1940 Act, the Company may not acquire any non-qualifying asset unless, at the time such acquisition is made, qualifying assets represent at least 70% of total assets. As of March 31, 2026, non-qualifying assets represented 14.0% of total assets as calculated in accordance with the regulatory requirements.
[39] Investment contains a fixed-rate structure.
[40] Represents a co-investment made with the Company’s affiliates in accordance with the terms of exemptive relief that the Company received from the U.S. Securities and Exchange Commission. See “Note 3 — Agreements and Related Party Transactions.”
[41] As defined in the Investment Company Act of 1940, as amended (the “1940 Act”), the Company is deemed to “control” a portfolio company if the Company owns more than 25% of the portfolio company’s voting securities or has the power to exercise control over management or policies, including through a management agreement. As defined in the 1940 Act, the Company is an “affiliated person” of this portfolio company if the Company owns more than 5% or more of the portfolio company’s outstanding voting securities. Transactions related to the Company’s investments in non-controlled affiliates and controlled affiliates for the year ended December 31, 2025, were as follows:
CompanyFair value as of December 31, 2024Gross Additions
(a)		Gross Reductions(b)Net Change in Unrealized Gain/(Loss)Realized Gain/(Loss)Fair value as of December 31, 2025Dividend IncomeInterest and PIK IncomeOther Income
Controlled Affiliates
AAM Series 2.1 Aviation Feeder, LLC(c)$77,680 $36,408 $(2,132)$10,749 $— $122,705 $— $7,500 $— 
AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC(c)75,112 13,778 (86)4,660 $— 93,464 — 6,328 — 
Blue Owl Credit SLF LLC(d)4,294 72,696 — (199)$— 76,791 3,355 — — 
Blue Owl Cross-Strategy Opportunities 2025-1 LLC (fka Blue Owl Cross-Strategy Opportunities LLC)— 137,069 — (254)$— 136,815 896 — — 
Blue Owl Leasing LLC(d)— 17,237 — (8)$— 17,229 — — — 
Fifth Season Investments LLC223,274 108,603 — 13,083 $— 344,960 30,144 — — 
LSI Financing LLC293,775 221,952 (213,772)19,138 $— 321,093 20,259 — — 
Notorious Topco, LLC (dba Beauty Industry Group)— 124,258 — (84)$— 124,174 — 316 2 
OCIC SLF LLC (fka Blue Owl Credit Income Senior Loan Fund LLC)(d)311,609 — — (31,278)$— 280,331 38,644 — — 
Total$985,744 $732,001 $(215,990)$15,807 $— $1,517,562 $93,298 $14,144 $2 
Non-Controlled Affiliates
LSI Financing 1 DAC$4,771 $— $(617)$(49)$— $4,105 $342 $— $— 
Pluralsight, LLC3,477 129 — (1,303)$— 2,303 — 207 3 
Wingspire Capital Holdings LLC— 9,000 — 1,156 $— 10,156 128 — — 
Total$8,248 $9,129 $(617)$(196)$— $16,564 $470 $207 $3 
[42] Investment contains a fixed-rate structure.
[43] Represents a co-investment made with the Company’s affiliates in accordance with the terms of exemptive relief that the Company received from the U.S. Securities and Exchange Commission. See “Note 3 — Agreements and Related Party Transactions.”
[44] As defined in the Investment Company Act of 1940, as amended (the “1940 Act”), the Company is deemed to “control” a portfolio company if the Company owns more than 25% of the portfolio company’s voting securities or has the power to exercise control over management or policies, including through a management agreement. As defined in the 1940 Act, the Company is an “affiliated person” of this portfolio company if the Company owns more than 5% or more of the portfolio company’s outstanding voting securities. Transactions related to the Company’s investments in non-controlled affiliates and controlled affiliates for the year ended March 31, 2026, were as follows:
CompanyFair value as of December 31, 2025
Gross Additions(a)
Gross Reductions(b)
Net Change in Unrealized Gain/(Loss)Fair value as of March 31, 2026Dividend IncomeInterest and PIK IncomeOther Income
Controlled Affiliates
AAM Series 2.1 Aviation Feeder, LLC(c)$122,705 $2,378 $(245)$(1,927)$122,911 $— $2,281 $— 
AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC(c)93,464 2,201 — (2,359)93,306 — 1,763 — 
Blue Owl Credit SLF LLC(d)76,791 10,209 — (6,395)80,605 1,728 — — 
Blue Owl Cross-Strategy Opportunities 2025-1 LLC (fka Blue Owl Cross-Strategy Opportunities LLC)136,815 110,976 — (1,135)246,656 7,057 — — 
Blue Owl Leasing LLC(d)17,229 — (15,337)(4)1,888 — — — 
OWL-HP FINANCE LLC— 44,064 — 60 44,124 — — — 
Fifth Season Investments LLC344,960 — — 880 345,840 7,347 — — 
LSI Financing LLC321,093 246,220 (7,909)2,024 561,428 8,716 — — 
Notorious Topco, LLC (dba Beauty Industry Group)124,174 2,503 — (1,544)125,133 — 2,209 195 
OCIC SLF LLC (fka Blue Owl Credit Income Senior Loan Fund LLC)(d)280,331 8,750 — (33,658)255,423 5,928 — — 
Total Controlled Affiliates$1,517,562 $427,301 $(23,491)$(44,058)$1,877,314 $30,776 $6,253 $195 
CompanyFair value as of December 31, 2025
Gross Additions(a)
Gross Reductions(b)
Net Change in Unrealized Gain/(Loss)Fair value as of March 31, 2026Dividend IncomeInterest and PIK IncomeOther Income
Non-Controlled Affiliates
LSI Financing 1 DAC$4,105 $— $— $62 $4,167 $— $— $— 
Pluralsight, LLC2,303 6 (3)(660)1,646 — 25 1 
Wingspire Capital Holdings LLC10,156 — — (8)10,148 214 — — 
Total Non-controlled Affiliates$16,564 $6 $(3)$(606)$15,961 $214 $25 $1 
_______________
(a)     Gross additions may include increases in the cost basis of investments resulting from new investments, amounts related to PIK interest capitalized and added to the principal balance of the respective loans, the accretion of discounts, the exchange of one or more existing investments for one or more new investments from a different category.
(b)     Gross reductions may include decreases in the cost basis of investments resulting from principal collections related to investment repayments and sales, return of capital, the amortization of premiums and the exchange of one or more existing securities for one or more new securities.
(c)     In connection with its investment in AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC and AAM Series 2.1 Aviation Feeder, LLC (collectively, “Amergin AssetCo”) the Company made a minority investment in Amergin Asset Management, LLC which has entered into a Servicing Agreement with Amergin AssetCo.
(d)     For further description of the Company’s investment in OCIC SLF LLC (f/k/a Blue Owl Credit Income Senior Loan Fund LLC) (“OCIC SLF”), Blue Owl Credit SLF LLC (“Credit SLF”), Blue Owl Leasing LLC (“Blue Owl Leasing”) and OWL-HP FINANCE LLC (“Owl-HP Finance”) see “Note 4 — Investments.”
[45] The negative cost and fair value results from unamortized fees, which are capitalized to the investment cost of unfunded commitments, if any.
[46] The negative cost and fair value results from unamortized fees, which are capitalized to the investment cost of unfunded commitments.
[47] Position or portion thereof is a partially unfunded debt or equity commitment. See “Note 8 — Commitments and Contingencies”.
Unfunded
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
Non-controlled/non-affiliated - debt commitments
Aerosmith Bidco 1 Limited (dba Audiotonix)First lien senior secured delayed draw term loan7/2027$— $108,341 $— 
AI Titan Parent, Inc. (dba Prometheus Group)First lien senior secured delayed draw term loan9/20261,528 5,264 — 
Allied Benefit Systems Intermediate LLCFirst lien senior secured delayed draw term loan12/2027— 2,482 (6)
AlphaSense, Inc.First lien senior secured delayed draw term loan6/2029— 716 (2)
AmeriLife Holdings LLCFirst lien senior secured delayed draw term loan2/2027— 34,240 (86)
AmeriLife Holdings LLCFirst lien senior secured delayed draw term loan6/202630,785 1,409 — 
Anesthesia Consulting & Management, LPFirst lien senior secured delayed draw term loan11/2027— 7,715 (39)
Appfire Technologies, LLCFirst lien senior secured delayed draw term loan6/2026— 2,688 — 
Aptean Acquiror, Inc. (dba Aptean)First lien senior secured delayed draw term loan2/2027— 10,410 — 
Arctic Holdco, LLC (dba Novvia Group)First lien senior secured delayed draw term loan1/202710,925 6,747 — 
Arctic US Bidco, Inc. (dba ThermoSafe)First lien senior secured delayed draw term loan11/2027— 49,208 (123)
Artifact Bidco, Inc. (dba Avetta)First lien senior secured delayed draw term loan7/2027— 3,793 — 
Associations, Inc.First lien senior secured delayed draw term loan2/202745,399 36,254 — 
Associations, Inc.First lien senior secured delayed draw term loan7/202813,526 24,896 — 
Baker Tilly Advisory Group, LPFirst lien senior secured delayed draw term loan6/2027— 57,843 — 
Bamboo US BidCo LLCFirst lien senior secured delayed draw term loan11/202611,195 2,261 — 
Birdie Bidco, Inc. (dba Concert Golf Partners)First lien senior secured delayed draw term loan11/2027— 43,225 (108)
Bracket Intermediate Holding Corp.First lien senior secured delayed draw term loan10/2027— 12,008 (60)
BusinessSolver.com, Inc.First lien senior secured delayed draw term loan12/2027— 2,462 (6)
Brightway Holdings, LLCFirst lien senior secured delayed draw term loan1/20277,167 2,274 — 
Cambrex CorporationFirst lien senior secured delayed draw term loan3/2027— 33,294 — 
Cambrex CorporationFirst lien senior secured delayed draw term loan9/2026— 62,427 — 
CCM Midco, LLC (f/k/a Cresset Capital Management, LLC)First lien senior secured delayed draw term loan1/2027112 8,843 — 
Unfunded
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
CHA Vision Holdings, Inc. (fka FR Vision Holdings, Inc.)First lien senior secured delayed draw term loan9/2027606 10,472 — 
CivicPlus, LLCFirst lien senior secured delayed draw term loan5/20275,415 3,763 — 
CivicPlus, LLCFirst lien senior secured delayed draw term loan12/2027— 25,316 — 
Cohnreznick Advisory LLCFirst lien senior secured delayed draw term loan3/2027— 6,774 — 
Commander Buyer, Inc. (dba CenExel)First lien senior secured delayed draw term loan6/2027— 33,764 — 
CMG HoldCo, LLC (dba Crete United)First lien senior secured delayed draw term loan7/202717,606 34,920 (25)
Computer Services, Inc. (dba CSI)First lien senior secured delayed draw term loan11/2027— 28,288 — 
CoreTrust Purchasing Group LLCFirst lien senior secured delayed draw term loan5/2026— 5,995 — 
Coupa Holdings, LLCFirst lien senior secured delayed draw term loan6/2027— 2,174 — 
CCM Midco, LLC (f/k/a Cresset Capital Management, LLC)First lien senior secured delayed draw term loan6/20262,010 2,463 — 
CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant)First lien senior secured delayed draw term loan7/202736,604 38,299 — 
CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant)First lien senior secured delayed draw term loan8/2027— 6,726 (34)
Databricks, Inc.First lien senior secured delayed draw term loan7/2026— 16,531 — 
Databricks, Inc.First lien senior secured delayed draw term loan7/2026— 33,967 — 
DCCM, LLCFirst lien senior secured delayed draw term loan6/2027— 26,232 (131)
DCG ACQUISITION CORP. (dba DuBois Chemical)First lien senior secured delayed draw term loan6/202611,284 4,615 — 
DuraServ LLCFirst lien senior secured delayed draw term loan11/2027— 53,135 (266)
DuraServ LLCFirst lien senior secured delayed draw term loan3/202742,498 29,793 — 
EET Buyer, Inc. (dba e-Emphasys)First lien senior secured delayed draw term loan1/20276,818 1,705 — 
Engineered Machinery Holdings, Inc. (dba Duravant)First lien senior secured delayed draw term loan5/202635 88 — 
EresearchTechnology, Inc. (dba Clario)First lien senior secured delayed draw term loan1/20274,666 28,660 — 
Essential Services Holding Corporation (dba Turnpoint)First lien senior secured delayed draw term loan6/2026— 6,970 (87)
Eternal Buyer, LLC (dba Wedgewood Weddings)First lien senior secured delayed draw term loan6/2027— 15,411 — 
First Eagle Holdings, Inc.First lien senior secured delayed draw term loan6/2027— 4,375 (9)
FR Flow Control CB LLC (dba Trillium Flow Technologies)First lien senior secured delayed draw term loan6/2026— 28,307 — 
Galls, LLCFirst lien senior secured delayed draw term loan3/202632,683 6,438 — 
Galway Borrower LLCFirst lien senior secured delayed draw term loan7/202610,145 39,539 — 
GS Acquisitionco, Inc. (dba insightsoftware)First lien senior secured delayed draw term loan3/2026121 204 — 
GS Acquisitionco, Inc. (dba insightsoftware)First lien senior secured delayed draw term loan5/2027— 888 (7)
Unfunded
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
Gusto, Inc.First lien senior secured delayed draw term loan11/2027— 12,896 — 
Hercules Borrower, LLC (dba The Vincit Group)First lien senior secured delayed draw term loan12/2028— 8,132 — 
HIG Operations Holdings, Inc. (dba Higginbotham)First lien senior secured delayed draw term loan A9/2026— 5,375 — 
HIG Operations Holdings, Inc. (dba Higginbotham)First lien senior secured delayed draw term loan B12/2027— 5,000 (13)
Himalaya Topco LLC (dba HealthEdge)First lien senior secured delayed draw term loan6/2027— 7,290 (36)
Himalaya Topco LLC (dba HealthEdge)First lien senior secured delayed draw term loan12/2027— 7,290 (36)
Home Service TopCo IV, Inc.First lien senior secured delayed draw term loan2/2026— 2,519 — 
Horizon Avionics Buyer, LLC (dba Acron Aviation)First lien senior secured delayed draw term loan11/2027— 49,936 (125)
Indigo Buyer, Inc. (dba Inovar Packaging Group)First lien senior secured delayed draw term loan7/20264,710 8,687 — 
Integrity Marketing Acquisition, LLCFirst lien senior secured delayed draw term loan8/2026— 24,080 — 
Interoperability Bidco, Inc. (dba Lyniate)First lien senior secured delayed draw term loan6/2026— 5,079 (25)
Iris Specialty Acquisition LLC (dba Integrated Specialty Coverages)First lien senior secured delayed draw term loan11/2028— 7,032 (18)
Jellyfish Bidco Limited (dba JTC)First lien senior secured GBP delayed draw term loan11/2028— 8,770 — 
Jellyfish Bidco Limited (dba JTC)First lien senior secured EUR term loan11/2032— 7,019 — 
Jellyfish Bidco Limited (dba JTC)First lien senior secured GBP term loan11/2032— 8,039 — 
Jellyfish US Finco, Inc. (dba JTC)First lien senior secured loan11/2032— 48,141 — 
Klick Inc.First lien senior secured delayed draw term loan11/2027— 18,088 (45)
KRIV Acquisition Inc. (dba Riveron)First lien senior secured delayed draw term loan9/2027— 16,623 — 
KWOR Acquisition, Inc. (dba Alacrity Solutions)First lien senior secured delayed draw term loan2/2027— 3,857 — 
KWOL Acquisition, Inc. (dba Worldwide Clinical Trials)First lien senior secured delayed draw term loan8/202798,647 114,006 — 
Lakefield Acquisition Corp. (dba Lakefield Veterinary Group)First lien senior secured delayed draw term loan9/202610,652 40,893 — 
Lightbeam Bidco, Inc. (dba Lazer Spot)First lien senior secured delayed draw term loan12/202710,837 15,172 — 
Litera Bidco LLCFirst lien senior secured delayed draw term loan11/20268,697 767 — 
Litera Bidco LLCFirst lien senior secured delayed draw term loan5/2027— 3,981 — 
MAJCO LLC (dba Big Brand Tire & Service)First lien senior secured delayed draw term loan9/202740,435 166,071 — 
ManTech International CorporationFirst lien senior secured delayed draw term loan2/2026— 403 — 
Maple Acquisition, LLC (dba Medicus)First lien senior secured delayed draw term loan5/2026— 20,448 — 
ML Holdco, Inc. (dba Meridian Link)First lien senior secured delayed draw term loan10/2027— 8,012 (20)
Monotype Imaging Holdings Inc.First lien senior secured delayed draw term loan2/20263,589 10,394 — 
NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A.First lien senior secured EUR delayed draw term loan3/2027— 25,351 (190)
Unfunded
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
Nelipak Holding CompanyFirst lien senior secured delayed draw term loan3/20277,301 4,486 — 
OneOncology, LLCFirst lien senior secured delayed draw term loan10/202731,686 86,925 — 
One, Inc. Software CorporationFirst lien senior secured delayed draw term loan12/2027— 19,375 (48)
Packaging Coordinators Midco, Inc.First lien senior secured delayed draw term loan4/2026— 77,828 — 
Packaging Coordinators Midco, Inc.First lien senior secured delayed draw term loan4/20262,825 8,393 — 
Paris US Holdco, Inc. (dba Precinmac)First lien senior secured delayed draw term loan12/2026— 18,063 — 
Peachtree Buyer, Inc. (dba Pond & Company)First lien senior secured delayed draw term loan12/2027— 31,126 (156)
PerkinElmer U.S. LLCFirst lien senior secured delayed draw term loan10/2027— 35,613 — 
PG Buyer, LLCFirst lien senior secured delayed draw term loan9/2027— 7,074 — 
Pike Corp.First lien senior secured delayed draw term loan12/2028— 53,430 (134)
Premise Health Holding Corp.First lien senior secured delayed draw term loan11/2027— 13,358 (67)
Raven Acquisition Holdings, LLC (dba R1 RCM)First lien senior secured delayed draw term loan10/2026— 1,783 — 
RL Datix Holdings (USA), Inc.First lien senior secured delayed draw term loan4/2027— 14,908 — 
Saber Parent Holdings Corp. (dba Service Logic)First lien senior secured delayed draw term loan12/2028— 24,780 (62)
Savor Acquisition, Inc. (dba Sauer Brands)First lien senior secured delayed draw term loan3/2027— 1,962 — 
Salinger Bidco Inc. (dba Surgical Information Systems)First lien senior secured delayed draw term loan8/2026— 5,742 — 
Sentinel Buyer Corp. (dba SimpliSafe)First lien senior secured delayed draw term loan11/2027— 18,684 (93)
Severin Acquisition, LLC (dba PowerSchool)First lien senior secured delayed draw term loan10/20275,732 21,481 — 
SimonMed, Inc.First lien senior secured delayed draw term loan2/202732,034 13,861 — 
Simplicity Financial Marketing Group Holdings, Inc.First lien senior secured delayed draw term loan12/202619,154 20,994 — 
Smarsh Inc.First lien senior secured delayed draw term loan1/2027— 20,347 (25)
Soleo Holdings, Inc.First lien senior secured delayed draw term loan2/2027— 15,932 — 
Sonny's Enterprises, LLCFirst lien senior secured delayed draw term loan6/20278,713 9,957 — 
Southern Air & Heat Holdings, LLCFirst lien senior secured delayed draw term loan12/202710,420 20,889 — 
Spaceship Purchaser, Inc. (dba Squarespace)First lien senior secured delayed draw term loan10/2027— 17,957 — 
Spotless Brands, LLCFirst lien senior secured delayed draw term loan3/202711,844 70,156 — 
STS PARENT, LLC (dba STS Aviation Group)First lien senior secured delayed draw term loan10/2026— 37,550 (188)
Tamarack Intermediate, L.L.C. (dba Verisk 3E)First lien senior secured delayed draw term loan7/20272,965 7,115 — 
TBRS, Inc. (dba TEAM Technologies)First lien senior secured delayed draw term loan11/2026— 18,303 — 
Unfunded
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
Themis Solutions Inc. (dba Clio)First lien senior secured delayed draw term loan10/2027— 8,310 (83)
THG Acquisition, LLC (dba Hilb)First lien senior secured delayed draw term loan10/20266,009 14,682 — 
Thunder Purchaser, Inc. (dba Vector Solutions)First lien senior secured delayed draw term loan10/202620,369 6,858 — 
Troon Golf, L.L.C.First lien senior secured delayed draw term loan9/202627,175 27,449 — 
Tricentis Operations Holdings, Inc.First lien senior secured delayed draw term loan2/2027— 10,055 (50)
Unified Women's Healthcare, LPFirst lien senior secured delayed draw term loan9/2027— 14,872 — 
Unit4 Group Holding B.V.First lien senior secured EUR delayed draw term loan1/2030— 12,196 — 
Unit4 Group Holding B.V.First lien senior secured EUR term loan1/2033— 130,093 — 
U.S. Urology Partners LLCFirst lien senior secured delayed draw term loan10/2027— 25,000 (156)
USIC Holdings, Inc.First lien senior secured delayed draw term loan9/20261,274 954 — 
USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners)First lien senior secured delayed draw term loan8/20266,164 7,774 — 
Vensure Employer Services, Inc.First lien senior secured delayed draw term loan9/2026— 3,125 (16)
Vessco Midco Holdings, LLCFirst lien senior secured delayed draw term loan7/202619,745 4,140 — 
Vessco Midco Holdings, LLCFirst lien senior secured delayed draw term loan5/2028— 23,778 — 
Victors Purchaser, LLC (dba Service Express)First lien senior secured delayed draw term loan12/2027— 8,737 (22)
Walker Edison Furniture Company LLCFirst lien senior secured delayed draw term loan2/2026141 201 (6)
Walker Edison Furniture Company LLCFirst lien senior secured delayed draw term loan3/2027305 131 — 
W.A. Kendall and Company, LLCFirst lien senior secured delayed draw term loan12/202611,413 47,840 — 
Wipfli Advisory LLCFirst lien senior secured delayed draw term loan4/2028— 23,102 (33)
Wrench Group LLCFirst lien senior secured delayed draw term loan9/2027— 32,404 — 
WU Holdco, Inc. (dba PurposeBuilt Brands)First lien senior secured delayed draw term loan4/2027— 46,130 — 
Zendesk, Inc.First lien senior secured delayed draw term loan5/2026— 14,609 — 
ACR Group Borrower, LLC*First lien senior secured revolving loan3/2026— — — 
Accommodations Plus Technologies LLCFirst lien senior secured revolving loan5/2032— 1,250 (11)
Activate Holdings (US) Corp. (dba Absolute Software)First lien senior secured revolving loan7/2029— 352 — 
Aerosmith Bidco 1 Limited (dba Audiotonix)First lien senior secured revolving loan7/2030— 44,919 — 
AI Titan Parent, Inc. (dba Prometheus Group)First lien senior secured revolving loan8/2031— 4,245 (42)
Alera Group, Inc.First lien senior secured revolving loan5/2030— 12,500 — 
AmeriLife Holdings LLCFirst lien senior secured revolving loan8/20285,565 27,827 — 
Unfunded
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
Anaplan, Inc.First lien senior secured revolving loan6/2028— 16,528 — 
Anesthesia Consulting & Management, LPFirst lien senior secured revolving loan12/2030— 9,022 (90)
Appfire Technologies, LLCFirst lien senior secured revolving loan3/2028350 1,283 — 
Aptean Acquiror, Inc. (dba Aptean)First lien senior secured revolving loan1/20312,428 6,069 — 
Arctic Holdco, LLC (dba Novvia Group)First lien senior secured revolving loan1/20312,130 9,706 — 
Atlas Borrower, LLC (dba Anovo)First lien senior secured revolving loan9/2032— 15,983 (160)
Artifact Bidco, Inc. (dba Avetta)First lien senior secured revolving loan7/2030— 2,710 — 
Arctic US Bidco, Inc. (dba ThermoSafe)First lien senior secured multi-currency revolving loan11/2032— 16,403 (82)
Ascend Buyer, LLC (dba PPC Flexible Packaging)First lien senior secured revolving loan9/20281,146 7,041 — 
Associations, Inc.First lien senior secured revolving loan7/2028— 25,389 — 
Atlas US Finco, Inc. (dba Nearmap)First lien senior secured revolving loan12/2028— 7,697 (38)
AWP Group Holdings, Inc.First lien senior secured revolving loan12/20302,757 3,048 — 
Azurite Intermediate Holdings, Inc. (dba Alteryx, Inc.)First lien senior secured revolving loan3/2031— 1,995 — 
Baker Tilly Advisory Group, LPFirst lien senior secured revolving loan6/2030— 43,084 — 
Bamboo US BidCo LLCFirst lien senior secured revolving loan10/2029— 20,128 — 
Bayshore Intermediate #2, L.P. (dba Boomi)First lien senior secured revolving loan10/20274,547 13,789 — 
BCPE Pequod Buyer, Inc. (dba Envestnet)First lien senior secured revolving loan11/2029— 16,634 — 
BCPE Osprey Buyer, Inc. (dba PartsSource)First lien senior secured revolving loan8/20263,879 776 — 
BCTO BSI Buyer, Inc. (dba Buildertrend)First lien senior secured revolving loan12/2028— 161 — 
Belmont Buyer, Inc. (dba Valenz)First lien senior secured revolving loan6/2029— 6,650 — 
Birdie Bidco, Inc. (dba Concert Golf Partners)First lien senior secured revolving loan11/20322,690 21,324 — 
Blast Bidco Inc. (dba Bazooka Candy Brands)First lien senior secured revolving loan10/2029— 4,179 — 
Bristol Hospice L.L.C.First lien senior secured revolving loan8/2032— 19,229 — 
Bracket Intermediate Holding Corp.First lien senior secured revolving loan10/2031— 5,003 (50)
Brightway Holdings, LLCFirst lien senior secured revolving loan12/2027696 1,410 — 
BTRS Holdings Inc. (dba Billtrust)First lien senior secured revolving loan12/20282,893 2,170 — 
BusinessSolver.com, Inc.First lien senior secured revolving loan12/2032— 1,097 (5)
By Light Professional IT Services LLCFirst lien senior secured revolving loan7/2031— 7,025 (105)
Cadence, Inc.First lien senior secured revolving loan5/2028810 2,084 — 
Unfunded
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
Cambrex CorporationFirst lien senior secured revolving loan3/20321,665 27,468 — 
Canadian Hospital Specialties LimitedFirst lien senior secured revolving loan4/2027235 198 — 
Catalis Intermediate, Inc. (fka GovBrands Intermediate, Inc.)First lien senior secured revolving loan8/2027108 773 — 
CCI BUYER, INC. (dba Consumer Cellular)First lien senior secured revolving loan5/2032— 29,023 — 
CMG HoldCo, LLC (dba Crete United)First lien senior secured revolving loan11/2030— 11,550 (29)
CCM Midco, LLC (f/k/a Cresset Capital Management, LLC)First lien senior secured revolving loan6/2029— 2,239 — 
Certinia Inc.First lien senior secured revolving loan8/2031— 15,425 (39)
CHA Vision Holdings, Inc. (fka FR Vision Holdings, Inc.)First lien senior secured revolving loan1/2030— 3,692 — 
CivicPlus, LLCFirst lien senior secured revolving loan8/2030— 6,058 — 
Commander Buyer, Inc. (dba CenExel)First lien senior secured revolving loan6/2032— 22,509 — 
CoreTrust Purchasing Group LLCFirst lien senior secured revolving loan10/2029— 14,183 — 
Coupa Holdings, LLCFirst lien senior secured revolving loan2/2029— 1,664 — 
CPM Holdings, Inc.First lien senior secured revolving loan6/2028861 4,139 — 
Creek Parent, Inc. (dba Catalent)First lien senior secured revolving loan12/2031— 42,297 (211)
Crewline Buyer, Inc. (dba New Relic)First lien senior secured revolving loan11/2030— 17,226 (129)
CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant)First lien senior secured revolving loan8/2031— 50,193 — 
D4C Dental Brands, Inc.First lien senior secured revolving loan11/20294,913 8,188 — 
DCG ACQUISITION CORP. (dba DuBois Chemical)First lien senior secured revolving loan6/2031— 15,899 (159)
DCCM, LLCFirst lien senior secured revolving loan6/2032— 10,493 (105)
Denali BuyerCo, LLC (dba Summit Companies)*First lien senior secured revolving loan9/2027— — — 
Denali Intermediate Holdings, Inc. (dba Dun & Bradstreet)First lien senior secured revolving loan8/2032— 25,284 (379)
Deerfield Dakota HoldingsFirst lien senior secured revolving loan9/2032— 47,046 (235)
Diamond Mezzanine 24 LLC (dba United Risk)First lien senior secured revolving loan10/20301,976 4,199 — 
Dresser Utility Solutions, LLCFirst lien senior secured revolving loan3/2029— 10,552 — 
DuraServ LLCFirst lien senior secured revolving loan6/20303,234 21,022 — 
Eagle Family Foods Group LLCFirst lien senior secured revolving loan8/2030— 20,344 — 
EET Buyer, Inc. (dba e-Emphasys)First lien senior secured revolving loan11/2027— 3,387 — 
Einstein Parent, Inc. (dba Smartsheet)First lien senior secured revolving loan1/2031— 7,949 (60)
Essential Services Holding Corporation (dba Turnpoint)First lien senior secured revolving loan6/20301,743 2,614 — 
Unfunded
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
EresearchTechnology, Inc. (dba Clario)First lien senior secured revolving loan10/2031— 16,663 — 
Eternal Buyer, LLC (dba Wedgewood Weddings)First lien senior secured revolving loan6/2032— 15,411 (77)
Evolution BuyerCo, Inc. (dba SIAA)First lien senior secured revolving loan4/2030— 12,968 — 
Fiesta Purchaser, Inc. (dba Shearer's Foods)First lien senior secured revolving loan2/20291,938 14,677 — 
Flexera Software LLCFirst lien senior secured revolving loan8/2032— 8,085 (20)
Forescout Technologies, Inc.First lien senior secured revolving loan5/2031— 12,702 (64)
Formerra, LLCFirst lien senior secured revolving loan11/2028— 526 — 
Fortis Solutions Group, LLCFirst lien senior secured revolving loan10/20271,968 4,779 — 
Foundation Consumer Brands, LLCFirst lien senior secured revolving loan2/2029— 3,411 (17)
FR Flow Control CB LLC (dba Trillium Flow Technologies)First lien senior secured revolving loan12/2029— 23,160 — 
Galls, LLCFirst lien senior secured revolving loan3/20305,102 10,596 — 
Galway Borrower LLCFirst lien senior secured revolving loan9/20281,096 5,170 — 
Gaylord Chemical Company, L.L.C.First lien senior secured revolving loan12/20272,463 1,509 — 
Gerson Lehrman Group, Inc.First lien senior secured revolving loan12/2028— 8,404 — 
GI Apple Midco LLC (dba Atlas Technical Consultants)First lien senior secured revolving loan4/20294,987 6,095 — 
GI Ranger Intermediate, LLC (dba Rectangle Health)First lien senior secured revolving loan10/2027223 1,450 — 
Granicus, Inc.First lien senior secured revolving loan1/2031— 4,633 — 
GS Acquisitionco, Inc. (dba insightsoftware)First lien senior secured revolving loan5/202892 156 — 
Hercules Borrower, LLC (dba The Vincit Group)First lien senior secured revolving loan12/2028— 12,595 — 
Himalaya Topco LLC (dba HealthEdge)First lien senior secured revolving loan6/2032— 8,202 (82)
Hissho Parent, LLCFirst lien senior secured revolving loan5/2029— 11,009 — 
Home Service TopCo IV, Inc.First lien senior secured revolving loan12/2027— 3,359 — 
Horizon Avionics Buyer, LLC (dba Acron Aviation)First lien senior secured revolving loan3/20324,394 20,574 — 
Hyland Software, Inc.First lien senior secured revolving loan9/2029— 6,978 — 
Icefall Parent, Inc. (dba EngageSmart)First lien senior secured revolving loan1/2030— 2,749 — 
Ideal Image Development, LLCFirst lien senior secured revolving loan2/20291,587 566 — 
IG Investments Holdings, LLC (dba Insight Global)First lien senior secured revolving loan9/2028— 4,866 — 
Indigo Buyer, Inc. (dba Inovar Packaging Group)First lien senior secured revolving loan5/2028— 12,700 — 
Indikami Bidco, LLC (dba IntegriChain)First lien senior secured revolving loan6/20303,566 1,126 — 
Unfunded
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
Integrated Specialty Coverages, LLC*First lien senior secured revolving loan7/2029— — — 
Integrity Marketing Acquisition, LLCFirst lien senior secured revolving loan8/2028— 17,886 — 
Intelerad Medical Systems Incorporated (fka 11849573 Canada Inc.)*First lien senior secured revolving loan8/20262,049 — — 
Interoperability Bidco, Inc. (dba Lyniate)First lien senior secured revolving loan3/20281,204 4,814 — 
IRI Group Holdings, Inc. (f/k/a Circana Group, L.P. (f/k/a The NPD Group, L.P.))First lien senior secured revolving loan12/2028— 23,738 — 
Iris Specialty Acquisition LLC (dba Integrated Specialty Coverages)First lien senior secured revolving loan11/2032— 6,188 (31)
Jellyfish Bidco Limited (dba JTC)First lien senior secured multi-currency revolving loan11/2032— 14,616 — 
Jeppesen Holdings, LLCFirst lien senior secured multi-currency revolving loan10/2032— 863 (6)
JS Parent, Inc. (dba Jama Software)First lien senior secured revolving loan4/2031— 88 — 
KABAFUSION Parent, LLCFirst lien senior secured revolving loan11/2031— 8,903 — 
KENE Acquisition, Inc. (dba Entrust Solutions Group)First lien senior secured revolving loan2/2031396 1,846 — 
Klick Inc.First lien senior secured revolving loan11/2031— 18,088 (90)
KRIV Acquisition Inc. (dba Riveron)First lien senior secured revolving loan7/20311,142 13,393 — 
KWOL Acquisition, Inc. (dba Worldwide Clinical Trials)First lien senior secured revolving loan12/2029— 45,413 (114)
KWOR Acquisition, Inc. (dba Alacrity Solutions)First lien senior secured revolving loan2/2030— 2,877 — 
Lakefield Acquisition Corp. (dba Lakefield Veterinary Group)First lien senior secured revolving loan9/2029— 8,600 — 
Lightbeam Bidco, Inc. (dba Lazer Spot)First lien senior secured revolving loan5/2029— 11,685 — 
Lignetics Investment Corp.First lien senior secured revolving loan10/2026— 11,471 (29)
Litera Bidco LLCFirst lien senior secured revolving loan5/2028— 2,266 — 
MAJCO LLC (dba Big Brand Tire & Service)First lien senior secured revolving loan9/2032— 59,002 (148)
Magnet Forensics, LLC (f/k/a Grayshift, LLC)First lien senior secured revolving loan7/2028— 2,419 — 
ManTech International CorporationFirst lien senior secured revolving loan9/2028— 1,806 — 
Maple Acquisition, LLC (dba Medicus)First lien senior secured revolving loan5/2030— 15,336 — 
Mario Purchaser, LLC (dba Len the Plumber)First lien senior secured revolving loan4/20287,341 697 — 
McQueen Bidco PTY LTD. (dba Infomedia)First lien senior secured revolving loan12/2032— 4,927 (12)
MHE Intermediate Holdings, LLC (dba OnPoint Group)First lien senior secured revolving loan7/20271,429 2,143 — 
Milan Laser Holdings LLCFirst lien senior secured revolving loan4/2027— 2,553 (64)
Ministry Brands Holdings, LLCFirst lien senior secured revolving loan12/2027395 4,350 — 
Minotaur Acquisition, Inc. (dba Inspira Financial)First lien senior secured revolving loan6/2030— 25,814 — 
Unfunded
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
Mitnick Corporate Purchaser, Inc.First lien senior secured revolving loan5/20271,438 7,938 — 
Modernizing Medicine, Inc. (dba ModMed)First lien senior secured revolving loan4/2032— 10,683 (53)
Monotype Imaging Holdings Inc.First lien senior secured revolving loan2/2030— 21,041 — 
Natural Partners, LLCFirst lien senior secured revolving loan11/2030— 11,814 — 
NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A.First lien senior secured EUR revolving loan3/2031413 4,316 — 
Nelipak Holding CompanyFirst lien senior secured revolving loan3/20311,319 7,477 — 
Neptune Holdings, Inc. (dba NexTech)First lien senior secured revolving loan8/2029— 4,118 (10)
NMI Acquisitionco, Inc. (dba Network Merchants)First lien senior secured revolving loan9/2028— 558 — 
OAC Holdings I Corp. (dba Omega Holdings)First lien senior secured revolving loan3/2028— 2,572 (39)
OB Hospitalist Group, Inc.First lien senior secured revolving loan9/2027— 7,993 — 
Offen, Inc.First lien senior secured revolving loan7/2029— 2,268 (23)
Ole Smoky Distillery, LLCFirst lien senior secured revolving loan3/2028— 3,302 (173)
One, Inc. Software CorporationFirst lien senior secured revolving loan12/2032— 7,750 (39)
OneOncology, LLCFirst lien senior secured revolving loan6/2029— 41,243 — 
Packaging Coordinators Midco, Inc.First lien senior secured revolving loan10/2032— 51,253 (256)
Paris US Holdco, Inc. (dba Precinmac)First lien senior secured revolving loan12/2031677 8,354 — 
Park Place Technologies, LLC*First lien senior secured revolving loan3/2030— — — 
Patriot Acquisition TopCo S.À R.L. (dba Corza Health, Inc.)First lien senior secured revolving loan1/2028554 7,206 — 
PDI TA Holdings, Inc.First lien senior secured revolving loan2/20313,683 1,339 — 
Peachtree Buyer, Inc. (dba Pond & Company)First lien senior secured revolving loan12/20323,113 17,120 — 
PG Buyer, LLCFirst lien senior secured revolving loan9/2031— 4,042 (20)
PetVet Care Centers, LLCFirst lien senior secured revolving loan11/20293,326 29,932 — 
Valeris, Inc. (fka Phantom Purchaser, Inc.)First lien senior secured revolving loan9/2031— 33,898 (85)
Pike Corp.First lien senior secured revolving loan12/2032— 35,620 (178)
Ping Identity Holding Corp.*First lien senior secured revolving loan10/2028— — — 
Plasma Buyer LLC (dba PathGroup)*First lien senior secured revolving loan5/202812,799 — — 
PPV Intermediate Holdings, LLCFirst lien senior secured revolving loan8/20291,482 10,372 — 
Premise Health Holding Corp.First lien senior secured revolving loan11/2031— 11,308 (113)
Pye-Barker Fire & Safety, LLC*First lien senior secured revolving loan5/2030— — — 
Unfunded
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
Puma Buyer, LLC (dba PANTHERx)First lien senior secured revolving loan3/2032— 31,523 — 
QAD, Inc.First lien senior secured revolving loan11/2027— 6,000 — 
Quva Pharma, Inc.First lien senior secured revolving loan4/2026336 118 — 
Relativity ODA LLCFirst lien senior secured revolving loan5/2029— 2,797 — 
Rhea Parent, Inc.First lien senior secured revolving loan12/2030— 21,596 (216)
RL Datix Holdings (USA), Inc.First lien senior secured revolving loan10/2030— 13,053 — 
Saber Parent Holdings Corp. (dba Service Logic)First lien senior secured revolving loan12/2032— 12,390 (62)
Salinger Bidco Inc. (dba Surgical Information Systems)First lien senior secured revolving loan5/2031479 5,264 — 
SCHP Purchaser, Inc. (dba St. Croix Hospice)First lien senior secured revolving loan10/2032— 19,885 (199)
Soleo Holdings, Inc.First lien senior secured revolving loan2/2032— 15,932 — 
Securonix, Inc.First lien senior secured revolving loan4/2028— 5,339 (521)
Sensor Technology Topco, Inc. (dba Humanetics)First lien senior secured revolving loan5/20286,854 13,708 — 
Severin Acquisition, LLC (dba PowerSchool)First lien senior secured revolving loan10/2031— 16,326 (204)
SimonMed, Inc.First lien senior secured revolving loan2/203113,810 16,879 — 
Simplicity Financial Marketing Group Holdings, Inc.First lien senior secured revolving loan12/2031— 20,119 — 
Smarsh Inc.First lien senior secured revolving loan2/20294,175 6,622 — 
Soliant Lower Intermediate, LLC (dba Soliant)First lien senior secured revolving loan6/2031— 15,556 (3,072)
Sonny's Enterprises, LLCFirst lien senior secured revolving loan8/202710,394 15,507 — 
Southern Air & Heat Holdings, LLCFirst lien senior secured revolving loan1/202930 252 — 
Spaceship Purchaser, Inc. (dba Squarespace)First lien senior secured revolving loan10/2031— 14,965 — 
Spotless Brands, LLCFirst lien senior secured revolving loan7/2028449 1,795 — 
STS PARENT, LLC (dba STS Aviation Group)First lien senior secured revolving loan10/203010,702 4,318 — 
SWK BUYER, Inc. (dba Stonewall Kitchen)First lien senior secured revolving loan3/2029— 5,579 (167)
Tamarack Intermediate, L.L.C. (dba Verisk 3E)First lien senior secured revolving loan3/2029— 5,336 — 
TBRS, Inc. (dba TEAM Technologies)First lien senior secured revolving loan11/2030— 20,918 (105)
The Better Being Co., LLC (fka Nutraceutical International Corporation)First lien senior secured revolving loan12/2029— 13,257 (133)
Themis Solutions Inc. (dba Clio)First lien senior secured revolving loan10/2032— 6,925 (69)
THG Acquisition, LLC (dba Hilb)First lien senior secured revolving loan10/20311,361 8,997 — 
Thunder Purchaser, Inc. (dba Vector Solutions)First lien senior secured revolving loan6/2027— 1,021 — 
Unfunded
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
Tricentis Operations Holdings, Inc.First lien senior secured revolving loan2/2032— 6,284 (63)
Troon Golf, L.L.C.First lien senior secured revolving loan8/2028— 27,449 — 
Truist Insurance Holdings, LLCFirst lien senior secured revolving loan5/2029— 7,019 — 
Unified Women's Healthcare, LPFirst lien senior secured revolving loan6/2029— 8,120 — 
Unit4 Group Holding B.V.First lien senior secured EUR revolving loan1/2033— 16,262 — 
USIC Holdings, Inc.First lien senior secured revolving loan9/20312,262 2,566 — 
USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners)First lien senior secured revolving loan12/2029— 4,975 — 
Velocity HoldCo III Inc. (dba VelocityEHS)First lien senior secured revolving loan5/2029— 399 — 
Vessco Midco Holdings, LLCFirst lien senior secured revolving loan7/2031— 7,962 — 
Victors Purchaser, LLC (dba Service Express)First lien senior secured revolving loan12/20321,419 15,199 — 
Vital Bidco AB (dba Vitamin Well)First lien senior secured revolving loan10/2030— 52,912 — 
Walker Edison Furniture Company LLC*First lien senior secured revolving loan3/20271,333 — — 
W.A. Kendall and Company, LLCFirst lien senior secured revolving loan4/20304,553 3,587 — 
Wipfli Advisory LLCFirst lien senior secured revolving loan10/2032— 15,401 (44)
Wrench Group LLCFirst lien senior secured revolving loan9/20316,049 26,355 — 
WU Holdco, Inc. (dba PurposeBuilt Brands)First lien senior secured revolving loan4/20321,230 13,121 — 
Zendesk, Inc.First lien senior secured revolving loan11/2028— 17,609 — 
Total non-controlled/non-affiliated - debt commitments$874,202 $5,076,414 $(11,163)
Non-controlled/non-affiliated - equity commitments
Chrome Investors LPLP InterestN/A7,339 1,835 — 
Percheron Horsepower-A LP (dba Big Brand Tire & Service)Limited Partner InterestN/A71,485 11,748 — 
Valor Compute Infrastructure L.P.LP InterestN/A3,751 6,965 — 
Total non-controlled/non-affiliated - equity commitments$82,575 $20,548 $— 
Non-controlled/affiliated - debt commitments
Pluralsight, LLCFirst lien senior secured delayed draw term loan8/2029$— $496 $(10)
Pluralsight, LLCFirst lien senior secured revolving loan8/2029— 198 (4)
Total non-controlled/affiliated - debt commitments$— $694 $(14)
Non-controlled/affiliated - equity commitments
Wingspire Capital Holdings LLCSpecialty finance equity investmentN/A$9,000 $36,000 $— 
Total non-controlled/affiliated - equity commitments$9,000 $36,000 $— 
Controlled/affiliated - debt commitments
Notorious Topco, LLC (dba Beauty Industry Group)First lien senior secured revolving loan12/2030$— $10,157 $(51)
Total controlled/affiliated - debt commitments$— $10,157 $(51)
Controlled/affiliated - equity commitments
Unfunded
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLCSpecialty finance equity investmentN/A$26,517 $38,809 $— 
LSI Financing LLCSpecialty finance equity investmentN/A296,883 119,025 — 
Total controlled/affiliated - equity commitments$323,400 $157,834 $— 
Total Portfolio Company Commitments
$1,289,177 $5,301,647 $(11,228)
*Fully funded
[48] Position or portion thereof is a partially unfunded debt or equity commitment. See “Note 8 — Commitments and Contingencies”.
Unfunded
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
Non-controlled/non-affiliated - debt commitments
Aerosmith Bidco 1 Limited (dba Audiotonix)First lien senior secured delayed draw term loan7/2027$— $108,341 $— 
AI Titan Parent, Inc. (dba Prometheus Group)First lien senior secured delayed draw term loan9/20261,528 5,264 — 
Allied Benefit Systems Intermediate LLCFirst lien senior secured delayed draw term loan12/2027— 2,482 (19)
AlphaSense, Inc.First lien senior secured delayed draw term loan6/2029— 716 (5)
AmeriLife Holdings LLCFirst lien senior secured delayed draw term loan6/202630,708 1,409 — 
AmeriLife Holdings LLCFirst lien senior secured delayed draw term loan2/2027— 34,240 (257)
Anesthesia Consulting & Management, LPFirst lien senior secured delayed draw term loan11/2027— 7,715 (39)
Appfire Technologies, LLCFirst lien senior secured delayed draw term loan6/202627 2,661 — 
Aptean Acquiror, Inc. (dba Aptean)First lien senior secured delayed draw term loan2/2027— 9,699 (291)
Arctic Holdco, LLC (dba Novvia Group)First lien senior secured delayed draw term loan1/202710,897 6,747 — 
Arctic US Bidco, Inc. (dba ThermoSafe)First lien senior secured delayed draw term loan11/2027— 49,208 (246)
Artifact Bidco, Inc. (dba Avetta)First lien senior secured delayed draw term loan7/2027— 3,793 (19)
Associations, Inc.First lien senior secured delayed draw term loan7/202815,534 22,848 — 
Associations, Inc.First lien senior secured delayed draw term loan2/202762,873 18,780 — 
Baker Tilly Advisory Group, LPFirst lien senior secured delayed draw term loan6/2027— 33,479 (167)
BCTO BSI Buyer, Inc. (dba Buildertrend)First lien senior secured delayed draw term loan1/2028— 10,752 (134)
Birdie Bidco, Inc. (dba Concert Golf Partners)First lien senior secured delayed draw term loan11/20273,597 39,628 — 
Bracket Intermediate Holding Corp.First lien senior secured delayed draw term loan10/2027— 12,008 (180)
Brightway Holdings, LLCFirst lien senior secured delayed draw term loan7/20272,524 20,129 — 
BusinessSolver.com, Inc.First lien senior secured delayed draw term loan12/2027— 2,462 (68)
CCM Midco, LLC (f/k/a Cresset Capital Management, LLC)First lien senior secured delayed draw term loan6/20262,005 2,463 — 
CCM Midco, LLC (f/k/a Cresset Capital Management, LLC)First lien senior secured delayed draw term loan1/2027112 8,843 — 
CHA Vision Holdings, Inc. (fka FR Vision Holdings, Inc.)First lien senior secured delayed draw term loan9/20271,077 9,999 — 
CivicPlus, LLCFirst lien senior secured delayed draw term loan5/20275,445 3,763 — 
Unfunded
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
CivicPlus, LLCFirst lien senior secured delayed draw term loan12/2027— 25,316 (570)
CMG HoldCo, LLC (dba Crete United)First lien senior secured delayed draw term loan7/202717,987 34,492 (477)
Cohnreznick Advisory LLCFirst lien senior secured delayed draw term loan3/2027— 2,698 (84)
Commander Buyer, Inc. (dba CenExel)First lien senior secured delayed draw term loan6/2027— 33,764 — 
Computer Services, Inc. (dba CSI)First lien senior secured delayed draw term loan11/2027— 28,288 (424)
CoreTrust Purchasing Group LLCFirst lien senior secured delayed draw term loan5/2026— 5,995 — 
Coupa Holdings, LLCFirst lien senior secured delayed draw term loan6/2027— 2,174 (71)
CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant)First lien senior secured delayed draw term loan7/202729,967 10,039 — 
CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant)First lien senior secured delayed draw term loan8/2027— 6,726 (67)
CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant)First lien senior secured delayed draw term loan7/20276,545 28,260 — 
Databricks, Inc.First lien senior secured delayed draw term loan1/2028— 33,967 — 
DCCM, LLCFirst lien senior secured delayed draw term loan6/2027— 26,232 (66)
DCG ACQUISITION CORP. (dba DuBois Chemical)First lien senior secured delayed draw term loan6/202611,284 4,615 — 
dentalcorp Health Services Ltd. (fka Aryeh Bidco Investment Ltd.)First lien senior secured delayed draw term loan1/20285,314 31,882 — 
DuraServ LLCFirst lien senior secured delayed draw term loan3/202742,392 29,793 — 
DuraServ LLCFirst lien senior secured delayed draw term loan11/2027— 53,135 (664)
EET Buyer, Inc. (dba e-Emphasys)First lien senior secured delayed draw term loan1/20276,801 1,705 — 
EOS Finco S.A.R.L (dba Netceed)First lien senior secured delayed draw term loan7/20271,539 2,336 — 
Essential Services Holding Corporation (dba Turnpoint)First lien senior secured delayed draw term loan6/2026— 6,970 (157)
Eternal Buyer, LLC (dba Wedgewood Weddings)First lien senior secured delayed draw term loan6/2027— 15,411 — 
First Eagle Holdings, Inc.First lien senior secured delayed draw term loan6/2027— 2,188 (34)
FR Flow Control CB LLC (dba Trillium Flow Technologies)First lien senior secured delayed draw term loan6/2026— 28,307 — 
Galway Borrower LLCFirst lien senior secured delayed draw term loan2/2028— 49,120 — 
GS Acquisitionco, Inc. (dba insightsoftware)First lien senior secured delayed draw term loan5/2027— 888 (29)
Gusto, Inc.First lien senior secured delayed draw term loan11/2027— 12,896 (129)
Hercules Borrower, LLC (dba The Vincit Group)First lien senior secured delayed draw term loan9/2026— 8,132 — 
HIG Operations Holdings, Inc. (dba Higginbotham)First lien senior secured delayed draw term loan B12/2027— 5,000 (13)
HIG Operations Holdings, Inc. (dba Higginbotham)First lien senior secured delayed draw term loan A9/2026— 5,375 — 
Himalaya Topco LLC (dba HealthEdge)First lien senior secured delayed draw term loan6/2027— 7,290 (91)
Himalaya Topco LLC (dba HealthEdge)First lien senior secured delayed draw term loan12/2027— 7,290 (91)
Horizon Avionics Buyer, LLC (dba Acron Aviation)First lien senior secured delayed draw term loan11/2027— 49,936 (125)
Indigo Buyer, Inc. (dba Inovar Packaging Group)First lien senior secured delayed draw term loan7/202611,505 1,881 — 
Indigo Buyer, Inc. (dba Inovar Packaging Group)First lien senior secured loan3/2028— 20,658 — 
Indigo Buyer, Inc. (dba Inovar Packaging Group)First lien senior secured delayed draw term loan7/2026— 16,462 — 
Integrity Marketing Acquisition, LLCFirst lien senior secured delayed draw term loan8/2026— 24,080 — 
Interoperability Bidco, Inc. (dba Lyniate)First lien senior secured delayed draw term loan6/2026— 5,079 (63)
Unfunded
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
Iris Specialty Acquisition LLC (dba Integrated Specialty Coverages)First lien senior secured delayed draw term loan11/2028— 7,032 (53)
Jawbreaker Parent, Inc.First lien senior secured delayed draw term loan1/2029— 20,483 (256)
Jawbreaker Parent, Inc.First lien senior secured delayed draw term loan4/2026— 50,797 (889)
Jellyfish Bidco Limited (dba JTC)First lien senior secured EUR term loan11/2032— 6,886 — 
Jellyfish Bidco Limited (dba JTC)First lien senior secured GBP delayed draw term loan11/2028— 8,598 — 
Jellyfish Bidco Limited (dba JTC)First lien senior secured GBP term loan11/2032— 7,881 — 
Jellyfish US Finco, Inc. (dba JTC)First lien senior secured loan11/2032— 47,198 — 
Klick Inc.First lien senior secured delayed draw term loan11/2027— 18,088 (90)
KRIV Acquisition Inc. (dba Riveron)First lien senior secured delayed draw term loan9/2027— 6,568 — 
KRIV Acquisition Inc. (dba Riveron)First lien senior secured delayed draw term loan2/2028— 26,289 — 
KWOR Acquisition, Inc. (dba Alacrity Solutions)First lien senior secured delayed draw term loan2/2027— 3,857 — 
Lakefield Acquisition Corp. (dba Lakefield Veterinary Group)First lien senior secured delayed draw term loan9/202610,625 40,893 — 
Lightbeam Bidco, Inc. (dba Lazer Spot)First lien senior secured delayed draw term loan12/202718,396 7,586 — 
Litera Bidco LLCFirst lien senior secured delayed draw term loan11/20268,675 767 — 
Litera Bidco LLCFirst lien senior secured delayed draw term loan5/2027— 3,981 (70)
MAJCO LLC (dba Big Brand Tire & Service)First lien senior secured delayed draw term loan9/202776,686 129,820 — 
Maple Acquisition, LLC (dba Medicus)First lien senior secured delayed draw term loan5/2026— 20,448 — 
ML Holdco, Inc. (dba Meridian Link)First lien senior secured delayed draw term loan10/2027— 8,012 (220)
NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A.First lien senior secured EUR delayed draw term loan3/2027— 24,870 (249)
Nelipak Holding CompanyFirst lien senior secured delayed draw term loan3/20277,283 4,486 — 
NH Kronos Parent, Inc.First lien senior secured delayed draw term loan1/2028— 8,537 (21)
Nova Women's Health, Inc.First lien senior secured delayed draw term loan7/2027— 48,295 (121)
NSCALE SERVICES UK LTDFirst lien senior secured delayed draw term loan8/20276,623 153,377 — 
One, Inc. Software CorporationFirst lien senior secured delayed draw term loan12/2027— 19,375 (97)
Packaging Coordinators Midco, Inc.First lien senior secured delayed draw term loan10/20275,926 5,277 — 
Packaging Coordinators Midco, Inc.First lien senior secured delayed draw term loan4/2026— 77,828 (195)
Paris US Holdco, Inc. (dba Precinmac)First lien senior secured delayed draw term loan12/2026— 18,063 — 
Peachtree Buyer, Inc. (dba Pond & Company)First lien senior secured delayed draw term loan12/2027— 31,126 (389)
PerkinElmer U.S. LLCFirst lien senior secured delayed draw term loan10/2027— 35,613 — 
PG Buyer, LLCFirst lien senior secured delayed draw term loan9/2027— 7,074 (71)
Pike Corp.First lien senior secured delayed draw term loan12/2028— 53,430 (134)
Plasma Buyer LLC (dba PathGroup)First lien senior secured delayed draw term loan3/20272,513 5,711 — 
Premise Health Holding Corp.First lien senior secured delayed draw term loan11/20277,995 5,343 — 
Raven Acquisition Holdings, LLC (dba R1 RCM)First lien senior secured delayed draw term loan10/2026— 1,922 (29)
RL Datix Holdings (USA), Inc.First lien senior secured delayed draw term loan4/2027— 14,908 (112)
Saber Parent Holdings Corp. (dba Service Logic)First lien senior secured delayed draw term loan12/2028— 24,780 (186)
Salinger Bidco Inc. (dba Surgical Information Systems)First lien senior secured delayed draw term loan8/2026— 5,742 — 
Sentinel Buyer Corp. (dba SimpliSafe)First lien senior secured delayed draw term loan11/2027— 18,684 (187)
Severin Acquisition, LLC (dba PowerSchool)First lien senior secured delayed draw term loan10/20276,556 20,641 — 
SimonMed, Inc.First lien senior secured delayed draw term loan2/202734,709 11,099 — 
Simplicity Financial Marketing Group Holdings, Inc.First lien senior secured delayed draw term loan12/202633,754 6,317 — 
Smarsh Inc.First lien senior secured delayed draw term loan1/20272,305 18,042 (311)
Unfunded
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
Soleo Holdings, Inc.First lien senior secured delayed draw term loan2/2027— 15,932 — 
Sonny's Enterprises, LLCFirst lien senior secured delayed draw term loan6/202710,745 7,898 — 
Southern Air & Heat Holdings, LLCFirst lien senior secured delayed draw term loan1/20282,747 13,215 — 
Spaceship Purchaser, Inc. (dba Squarespace)First lien senior secured delayed draw term loan10/2027— 17,957 (359)
Spotless Brands, LLCFirst lien senior secured delayed draw term loan3/202715,459 66,511 — 
STS PARENT, LLC (dba STS Aviation Group)First lien senior secured delayed draw term loan10/2026— 37,550 (188)
Tamarack Intermediate, L.L.C. (dba Verisk 3E)First lien senior secured delayed draw term loan7/20272,950 7,115 — 
TBRS, Inc. (dba TEAM Technologies)First lien senior secured delayed draw term loan11/2026— 18,303 — 
Themis Solutions Inc. (dba Clio)First lien senior secured delayed draw term loan10/2027— 8,310 (229)
THG Acquisition, LLC (dba Hilb)First lien senior secured delayed draw term loan10/20267,901 12,770 — 
Thunder Purchaser, Inc. (dba Vector Solutions)First lien senior secured delayed draw term loan10/202620,317 6,858 — 
Tricentis Operations Holdings, Inc.First lien senior secured delayed draw term loan2/2027— 10,055 (302)
Troon Golf, L.L.C.First lien senior secured delayed draw term loan9/202627,106 27,449 — 
U.S. Urology Partners LLCFirst lien senior secured delayed draw term loan10/2027— 25,000 (281)
Unified Women's Healthcare, LPFirst lien senior secured delayed draw term loan9/2027— 6,628 (8)
Unit4 Group Holding B.V.First lien senior secured EUR delayed draw term loan1/2030— 11,965 — 
Unit4 Group Holding B.V.First lien senior secured EUR term loan1/2033— 127,628 — 
USIC Holdings, Inc.First lien senior secured delayed draw term loan9/20261,531 692 — 
USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners)First lien senior secured delayed draw term loan8/20266,149 7,774 — 
Vensure Employer Services, Inc.First lien senior secured delayed draw term loan3/2028— 25,624 (134)
Vessco Midco Holdings, LLCFirst lien senior secured delayed draw term loan7/202622,053 1,831 — 
Vessco Midco Holdings, LLCFirst lien senior secured delayed draw term loan5/2028— 23,778 — 
Vestwell Holdings Inc.First lien senior secured delayed draw term loan1/2028— 5,405 (216)
Victors Purchaser, LLC (dba Service Express)First lien senior secured delayed draw term loan12/2027— 8,737 (44)
W.A. Kendall and Company, LLCFirst lien senior secured delayed draw term loan12/202611,384 47,840 — 
Walker Edison Furniture Company LLCFirst lien senior secured delayed draw term loanN/A305 131 — 
Walker Edison Furniture Company LLCFirst lien senior secured delayed draw term loanN/A141 113 — 
Wipfli Advisory LLCFirst lien senior secured delayed draw term loan4/2028— 23,102 (116)
Wrench Group LLCFirst lien senior secured delayed draw term loan9/2027— 32,404 (162)
WU Holdco, Inc. (dba PurposeBuilt Brands)First lien senior secured delayed draw term loan4/2027— 46,130 (115)
Accommodations Plus Technologies LLCFirst lien senior secured revolving loan5/2032— 1,250 (41)
Activate Holdings (US) Corp. (dba Absolute Software)First lien senior secured revolving loan7/2029— 352 (7)
Aerosmith Bidco 1 Limited (dba Audiotonix)First lien senior secured revolving loan7/2030— 44,919 — 
AI Titan Parent, Inc. (dba Prometheus Group)First lien senior secured revolving loan8/2031— 4,245 (127)
Alera Group, Inc.First lien senior secured revolving loan5/2030— 12,500 (394)
AmeriLife Holdings LLCFirst lien senior secured revolving loan8/20285,565 27,827 — 
Anaplan, Inc.First lien senior secured revolving loan6/2028— 16,528 (372)
Anesthesia Consulting & Management, LPFirst lien senior secured revolving loan12/2030— 9,022 (90)
Appfire Technologies, LLCFirst lien senior secured revolving loan3/2028— 1,633 (57)
Aptean Acquiror, Inc. (dba Aptean)First lien senior secured revolving loan1/20311,942 6,555 — 
Arctic Holdco, LLC (dba Novvia Group)First lien senior secured revolving loan1/20313,906 7,930 — 
Unfunded
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
Arctic US Bidco, Inc. (dba ThermoSafe)First lien senior secured multi-currency revolving loan11/20321,148 15,255 — 
Artifact Bidco, Inc. (dba Avetta)First lien senior secured revolving loan7/2030— 2,710 (28)
Ascend Buyer, LLC (dba PPC Flexible Packaging)First lien senior secured revolving loan9/20281,146 7,041 — 
Associations, Inc.First lien senior secured revolving loan7/2028— 25,389 — 
Atlas Borrower, LLC (dba Anovo)First lien senior secured revolving loan9/2032— 15,983 (200)
Atlas US Finco, Inc. (dba Nearmap)First lien senior secured revolving loan12/2028— 7,697 (77)
AWP Group Holdings, Inc.First lien senior secured revolving loan12/20303,773 2,032 — 
Azurite Intermediate Holdings, Inc. (dba Alteryx, Inc.)First lien senior secured revolving loan3/2031— 1,995 (50)
Baker Tilly Advisory Group, LPFirst lien senior secured revolving loan6/2030— 43,084 — 
Bamboo US BidCo LLCFirst lien senior secured revolving loan10/2029— 20,128 — 
Bayshore Intermediate #2, L.P. (dba Boomi)First lien senior secured revolving loan10/20274,547 13,789 — 
BCPE Osprey Buyer, Inc. (dba PartsSource)First lien senior secured revolving loan8/20283,996 1,319 — 
BCPE Pequod Buyer, Inc. (dba Envestnet)First lien senior secured revolving loan11/2029— 16,634 (624)
BCTO BSI Buyer, Inc. (dba Buildertrend)First lien senior secured revolving loan12/2028— 9,677 (169)
Belmont Buyer, Inc. (dba Valenz)First lien senior secured revolving loan6/2029887 5,763 — 
Birdie Bidco, Inc. (dba Concert Golf Partners)First lien senior secured revolving loan11/2032— 24,014 (120)
Blast Bidco Inc. (dba Bazooka Candy Brands)First lien senior secured revolving loan10/2029— 4,179 — 
Bracket Intermediate Holding Corp.First lien senior secured revolving loan10/2031— 5,003 (100)
Brightway Holdings, LLCFirst lien senior secured revolving loan12/2029— 6,589 (16)
Bristol Hospice L.L.C.First lien senior secured revolving loan8/2032— 19,229 — 
BTRS Holdings Inc. (dba Billtrust)First lien senior secured revolving loan12/20283,978 1,085 — 
BusinessSolver.com, Inc.First lien senior secured revolving loan12/2032— 1,097 (33)
By Light Professional IT Services LLCFirst lien senior secured revolving loan7/2031— 7,025 (228)
Cadence, Inc.First lien senior secured revolving loan5/2028810 2,084 — 
Cambrex CorporationFirst lien senior secured revolving loan3/20326,659 22,474 — 
Canadian Hospital Specialties LimitedFirst lien senior secured revolving loan4/2027217 209 — 
Catalis Intermediate, Inc. (fka GovBrands Intermediate, Inc.)First lien senior secured revolving loan8/2027108 773 — 
CCI BUYER, INC. (dba Consumer Cellular)First lien senior secured revolving loan5/2032— 29,023 (73)
CCM Midco, LLC (f/k/a Cresset Capital Management, LLC)First lien senior secured revolving loan6/2029— 2,239 — 
Certinia Inc.First lien senior secured revolving loan8/2031— 15,425 (424)
CHA Vision Holdings, Inc. (fka FR Vision Holdings, Inc.)First lien senior secured revolving loan1/2030— 3,692 — 
CivicPlus, LLCFirst lien senior secured revolving loan8/2030— 6,058 (167)
CMG HoldCo, LLC (dba Crete United)First lien senior secured revolving loan11/20302,166 9,384 — 
Commander Buyer, Inc. (dba CenExel)First lien senior secured revolving loan6/2032— 22,509 (113)
Conservice Midco, LLCFirst lien senior secured revolving loan2/2033— 15,552 (39)
CoreTrust Purchasing Group LLCFirst lien senior secured revolving loan10/2029— 14,183 (35)
Coupa Holdings, LLCFirst lien senior secured revolving loan2/2029— 1,664 (67)
CPM Holdings, Inc.First lien senior secured revolving loan6/20281,971 3,029 — 
Creek Parent, Inc. (dba Catalent)First lien senior secured revolving loan12/2031— 42,297 (317)
Crewline Buyer, Inc. (dba New Relic)First lien senior secured revolving loan11/2030— 17,226 (431)
Unfunded
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
CT Technologies Intermediate Holdings, Inc. (& Smart Holdings Corp.) (dba Datavant)First lien senior secured revolving loan8/2031— 50,193 (251)
D4C Dental Brands, Inc.First lien senior secured revolving loan11/20294,913 8,188 — 
DCCM, LLCFirst lien senior secured revolving loan6/2032— 10,493 (79)
DCG ACQUISITION CORP. (dba DuBois Chemical)First lien senior secured revolving loan6/2031— 15,899 (199)
Deerfield Dakota HoldingsFirst lien senior secured revolving loan9/20329,409 37,637 — 
Delinea Buyer, Inc. (f/k/a Centrify)First lien senior secured revolving loan3/2030— 14,103 (55)
Denali Intermediate Holdings, Inc. (dba Dun & Bradstreet)First lien senior secured revolving loan8/2032— 25,284 (569)
dentalcorp Health Services Ltd. (fka Aryeh Bidco Investment Ltd.)First lien senior secured revolving loan1/2033— 26,569 (133)
Diamond Mezzanine 24 LLC (dba United Risk)*First lien senior secured revolving loan10/20306,175 — — 
DM Buyer (USA), Inc.First lien senior secured revolving loan2/2033— 11,750 (59)
Dresser Utility Solutions, LLCFirst lien senior secured revolving loan3/2029— 10,552 — 
DuraServ LLCFirst lien senior secured revolving loan6/20308,732 15,524 — 
Eagle Family Foods Group LLCFirst lien senior secured revolving loan8/2030— 20,344 (51)
EET Buyer, Inc. (dba e-Emphasys)First lien senior secured revolving loan11/2027— 3,387 (51)
Einstein Parent, Inc. (dba Smartsheet)First lien senior secured revolving loan1/2031— 7,949 (199)
Essential Services Holding Corporation (dba Turnpoint)First lien senior secured revolving loan6/20301,743 2,614 — 
Eternal Buyer, LLC (dba Wedgewood Weddings)First lien senior secured revolving loan6/2032— 15,411 (77)
Evolution BuyerCo, Inc. (dba SIAA)First lien senior secured revolving loan4/2030— 12,968 — 
Fiesta Purchaser, Inc. (dba Shearer's Foods)First lien senior secured revolving loan2/20293,328 13,287 — 
Flexera Software LLCFirst lien senior secured revolving loan8/2032— 8,085 (202)
Forescout Technologies, Inc.First lien senior secured revolving loan5/2031— 12,702 (286)
Formerra, LLCFirst lien senior secured revolving loan11/2028— 526 (3)
Fortis Solutions Group, LLCFirst lien senior secured revolving loan10/20273,036 3,711 — 
Foundation Consumer Brands, LLCFirst lien senior secured revolving loan2/2029— 3,411 (9)
FR Flow Control CB LLC (dba Trillium Flow Technologies)First lien senior secured revolving loan12/2029— 23,160 — 
Galls, LLCFirst lien senior secured revolving loan3/20307,456 8,241 — 
Galway Borrower LLCFirst lien senior secured revolving loan9/20282,383 3,884 — 
Gaylord Chemical Company, L.L.C.First lien senior secured revolving loan12/20271,509 2,463 — 
Gerson Lehrman Group, Inc.First lien senior secured revolving loan12/2028— 8,404 (147)
GI Apple Midco LLC (dba Atlas Technical Consultants)First lien senior secured revolving loan4/20294,987 6,095 — 
GI Ranger Intermediate, LLC (dba Rectangle Health)First lien senior secured revolving loan10/2027669 1,004 — 
Granicus, Inc.First lien senior secured revolving loan1/2031— 4,633 (58)
GS Acquisitionco, Inc. (dba insightsoftware)First lien senior secured revolving loan5/2028130 118 — 
H&F Opportunities LUX III S.À R.L (dba Checkmarx)First lien senior secured revolving loan4/2028— 8,440 (105)
Hercules Borrower, LLC (dba The Vincit Group)First lien senior secured revolving loan12/2028— 12,595 — 
Himalaya Topco LLC (dba HealthEdge)First lien senior secured revolving loan6/20321,276 6,926 — 
Hissho Parent, LLCFirst lien senior secured revolving loan5/2029— 11,009 — 
Home Service TopCo IV, Inc.First lien senior secured revolving loan12/2027— 3,359 — 
Horizon Avionics Buyer, LLC (dba Acron Aviation)First lien senior secured revolving loan3/20324,394 20,574 — 
Unfunded
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
Hyland Software, Inc.First lien senior secured revolving loan9/2029— 6,978 (209)
Icefall Parent, Inc. (dba EngageSmart)First lien senior secured revolving loan1/2030— 2,749 (34)
IG Investments Holdings, LLC (dba Insight Global)First lien senior secured revolving loan9/2028— 4,866 — 
Indigo Buyer, Inc. (dba Inovar Packaging Group)First lien senior secured revolving loan5/2028— 12,700 — 
Indikami Bidco, LLC (dba IntegriChain)First lien senior secured revolving loan6/20303,566 1,126 — 
Integrity Marketing Acquisition, LLCFirst lien senior secured revolving loan8/2028— 17,886 — 
Interoperability Bidco, Inc. (dba Lyniate)First lien senior secured revolving loan3/2028602 5,416 — 
IRI Group Holdings, Inc. (f/k/a Circana Group, L.P. (f/k/a The NPD Group, L.P.))First lien senior secured revolving loan12/2028— 23,738 (178)
Iris Specialty Acquisition LLC (dba Integrated Specialty Coverages)First lien senior secured revolving loan11/20321,406 4,782 — 
Jawbreaker Parent, Inc.First lien senior secured revolving loan1/2033— 20,483 (358)
Jellyfish Bidco Limited (dba JTC)First lien senior secured multi-currency revolving loan11/2032— 14,330 — 
Jeppesen Holdings, LLCFirst lien senior secured multi-currency revolving loan11/2032— 863 (15)
JS Parent, Inc. (dba Jama Software)First lien senior secured revolving loan4/2031— 88 — 
Klick Inc.First lien senior secured revolving loan11/2031— 18,088 (136)
KRIV Acquisition Inc. (dba Riveron)First lien senior secured revolving loan7/20317,168 9,757 — 
KWOL Acquisition, Inc. (dba Worldwide Clinical Trials)First lien senior secured revolving loan12/2029— 43,355 (325)
KWOR Acquisition, Inc. (dba Alacrity Solutions)First lien senior secured revolving loan2/2030— 2,877 — 
Lakefield Acquisition Corp. (dba Lakefield Veterinary Group)First lien senior secured revolving loan9/2029— 8,600 (22)
Lightbeam Bidco, Inc. (dba Lazer Spot)First lien senior secured revolving loan5/2029— 11,685 (58)
Lignetics Investment Corp.First lien senior secured revolving loan10/2026— 11,471 — 
Litera Bidco LLCFirst lien senior secured revolving loan5/2028— 2,266 (40)
Magnet Forensics, LLC (f/k/a Grayshift, LLC)First lien senior secured revolving loan7/2028— 2,419 — 
MAJCO LLC (dba Big Brand Tire & Service)First lien senior secured revolving loan9/2032— 59,002 (148)
ManTech International CorporationFirst lien senior secured revolving loan9/2028— 1,806 (23)
Maple Acquisition, LLC (dba Medicus)First lien senior secured revolving loan5/2030— 15,336 — 
Mario Purchaser, LLC (dba Len the Plumber)First lien senior secured revolving loan4/20287,984 54 — 
Matterhorn Finco, Inc.First lien senior secured revolving loan3/2033— 12,784 (64)
McQueen Bidco PTY LTD. (dba Infomedia)First lien senior secured revolving loan12/2032— 4,927 (74)
MHE Intermediate Holdings, LLC (dba OnPoint Group)First lien senior secured revolving loan7/20271,429 2,143 — 
Milan Laser Holdings LLCFirst lien senior secured revolving loan4/2027— 2,553 (38)
Ministry Brands Holdings, LLCFirst lien senior secured revolving loan12/2027395 4,350 — 
Minotaur Acquisition, Inc. (dba Inspira Financial)First lien senior secured revolving loan6/2030— 25,814 (65)
Mitnick Corporate Purchaser, Inc.First lien senior secured revolving loan5/20271,238 8,138 (4,083)
Modernizing Medicine, Inc. (dba ModMed)First lien senior secured revolving loan4/2032— 10,683 (53)
Monotype Imaging Holdings Inc.First lien senior secured revolving loan2/2030— 21,041 (421)
Natural Partners, LLCFirst lien senior secured revolving loan11/2030— 11,814 — 
NELIPAK EUROPEAN HOLDINGS COÖPERATIEF U.A.First lien senior secured EUR revolving loan3/2031— 4,640 (81)
Unfunded
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
Nelipak Holding CompanyFirst lien senior secured revolving loan3/20312,375 6,421 — 
Neptune Holdings, Inc. (dba NexTech)First lien senior secured revolving loan8/2029— 4,118 (82)
NH Kronos Parent, Inc.First lien senior secured revolving loan1/20332,561 10,244 — 
NMI Acquisitionco, Inc. (dba Network Merchants)First lien senior secured revolving loan9/2028— 558 (8)
Nova Women's Health, Inc.First lien senior secured revolving loan1/2032— 3,864 (19)
OAC Holdings I Corp. (dba Omega Holdings)First lien senior secured revolving loan3/20281,691 882 — 
OB Hospitalist Group, Inc.First lien senior secured revolving loan9/2027— 7,993 — 
Offen, Inc.First lien senior secured revolving loan7/2029921 1,347 — 
Ole Smoky Distillery, LLCFirst lien senior secured revolving loan3/2028— 3,302 (256)
One, Inc. Software CorporationFirst lien senior secured revolving loan12/2032— 7,750 (78)
Packaging Coordinators Midco, Inc.First lien senior secured revolving loan10/2032— 51,253 (513)
Paris US Holdco, Inc. (dba Precinmac)First lien senior secured revolving loan12/2031677 8,354 — 
Patriot Acquisition TopCo S.À R.L. (dba Corza Health, Inc.)First lien senior secured revolving loan1/2028— 7,761 — 
PDI TA Holdings, Inc.First lien senior secured revolving loan2/20314,687 335 — 
Peachtree Buyer, Inc. (dba Pond & Company)First lien senior secured revolving loan12/2032467 19,765 — 
PetVet Care Centers, LLCFirst lien senior secured revolving loan11/20296,652 26,606 — 
PG Buyer, LLCFirst lien senior secured revolving loan9/2031— 4,042 (61)
Pike Corp.First lien senior secured revolving loan12/2032— 35,620 (178)
Plasma Buyer LLC (dba PathGroup)*First lien senior secured revolving loan5/202813,107 — — 
PPV Intermediate Holdings, LLCFirst lien senior secured revolving loan8/20294,445 7,409 — 
Premise Health Holding Corp.First lien senior secured revolving loan11/2031— 11,308 (170)
Puma Buyer, LLC (dba PANTHERx)First lien senior secured revolving loan3/2032— 31,523 — 
QAD, Inc.First lien senior secured revolving loan11/2027— 6,000 (90)
Quva Pharma, Inc.First lien senior secured revolving loan4/2028— 455 (14)
Rhea Parent, Inc.First lien senior secured revolving loan12/2030— 21,596 (216)
RL Datix Holdings (USA), Inc.First lien senior secured revolving loan10/2030— 13,053 (228)
Saber Parent Holdings Corp. (dba Service Logic)First lien senior secured revolving loan12/20323,634 8,756 — 
Salinger Bidco Inc. (dba Surgical Information Systems)First lien senior secured revolving loan5/2031— 5,742 (14)
SCHP Purchaser, Inc. (dba St. Croix Hospice)First lien senior secured revolving loan10/2032— 19,885 (298)
Securonix, Inc.First lien senior secured revolving loan4/2028— 5,339 (1,041)
Senderra RX Acquisition, LLCFirst lien senior secured revolving loan3/20332,235 8,938 — 
Sensor Technology Topco, Inc. (dba Humanetics)First lien senior secured revolving loan5/20281,371 19,191 — 
Severin Acquisition, LLC (dba PowerSchool)First lien senior secured revolving loan10/20314,353 11,972 — 
SimonMed, Inc.First lien senior secured revolving loan2/203116,879 13,810 — 
Simplicity Financial Marketing Group Holdings, Inc.First lien senior secured revolving loan12/2031— 20,119 (101)
Smarsh Inc.First lien senior secured revolving loan2/20292,303 8,493 — 
Soleo Holdings, Inc.First lien senior secured revolving loan2/2032— 15,932 — 
Soliant Lower Intermediate, LLC (dba Soliant)First lien senior secured revolving loan6/2031— 15,556 (4,044)
Sonny's Enterprises, LLCFirst lien senior secured revolving loan8/202720,755 5,147 — 
Southern Air & Heat Holdings, LLCFirst lien senior secured revolving loan1/2029287 2,372 — 
Spaceship Purchaser, Inc. (dba Squarespace)First lien senior secured revolving loan10/2031— 14,965 (374)
Spotless Brands, LLCFirst lien senior secured revolving loan7/2028— 2,244 — 
Unfunded
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
STS PARENT, LLC (dba STS Aviation Group)First lien senior secured revolving loan10/203011,828 3,192 — 
SWK BUYER, Inc. (dba Stonewall Kitchen)First lien senior secured revolving loan3/2029— 5,579 (195)
Tamarack Intermediate, L.L.C. (dba Verisk 3E)First lien senior secured revolving loan3/2029— 5,336 (133)
TBRS, Inc. (dba TEAM Technologies)First lien senior secured revolving loan11/2030— 20,918 (105)
The Better Being Co., LLC (fka Nutraceutical International Corporation)First lien senior secured revolving loan12/2029— 13,257 (133)
Themis Solutions Inc. (dba Clio)First lien senior secured revolving loan10/2032— 6,925 (190)
THG Acquisition, LLC (dba Hilb)First lien senior secured revolving loan10/20312,545 7,813 — 
Thunder Purchaser, Inc. (dba Vector Solutions)First lien senior secured revolving loan6/2027— 1,021 (20)
Tricentis Operations Holdings, Inc.First lien senior secured revolving loan2/2032— 6,284 (220)
Troon Golf, L.L.C.First lien senior secured revolving loan8/2028— 27,449 — 
Truist Insurance Holdings, LLCFirst lien senior secured revolving loan5/20293,405 3,614 — 
Unified Women's Healthcare, LPFirst lien senior secured revolving loan6/2029— 8,120 (41)
Unit4 Group Holding B.V.First lien senior secured EUR revolving loan1/2033— 15,954 — 
USIC Holdings, Inc.First lien senior secured revolving loan9/20314,194 635 — 
USRP Holdings, Inc. (dba U.S. Retirement and Benefits Partners)First lien senior secured revolving loan12/2029— 4,975 — 
Valeris, Inc. (fka Phantom Purchaser, Inc.)First lien senior secured revolving loan9/2031— 33,898 (85)
Velocity HoldCo III Inc. (dba VelocityEHS)First lien senior secured revolving loan5/2029— 258 (5)
Vessco Midco Holdings, LLCFirst lien senior secured revolving loan7/2031— 7,962 — 
Vestwell Holdings Inc.First lien senior secured revolving loan1/2031— 1,507 (60)
Victors Purchaser, LLC (dba Service Express)First lien senior secured revolving loan12/2032— 16,617 (125)
Vital Bidco AB (dba Vitamin Well)First lien senior secured revolving loan10/2030— 52,912 — 
W.A. Kendall and Company, LLCFirst lien senior secured revolving loan4/20305,909 2,230 — 
Wipfli Advisory LLCFirst lien senior secured revolving loan10/2032— 15,401 (116)
Wrench Group LLCFirst lien senior secured revolving loan9/203112,097 20,307 — 
WU Holdco, Inc. (dba PurposeBuilt Brands)First lien senior secured revolving loan4/20323,075 11,276 — 
Zendesk, Inc.First lien senior secured revolving loan11/2028— 17,609 (616)
Total non-controlled/non-affiliated - debt commitments$879,695 $4,967,706 $(33,600)
Non-controlled/non-affiliated - equity commitments
Chrome Investors LPLP InterestN/A7,339 1,835 — 
Percheron Horsepower-A LP (dba Big Brand Tire & Service)Limited Partner InterestN/A71,553 11,679 — 
Polar Investors LP (dba Dentalcorp)Common EquityN/A8,520 2,130 — 
Valor Cl Blocker Feeder LPLP InterestN/A6,430 4,286 — 
Total non-controlled/non-affiliated - equity commitments$93,842 $19,930 $— 
Non-controlled/affiliated - debt commitments
Pluralsight, LLCFirst lien senior secured delayed draw term loan8/2029$— $496 $(27)
Pluralsight, LLCFirst lien senior secured revolving loan8/2029— 198 (11)
Total non-controlled/affiliated - debt commitments$— $694 $(38)
Non-controlled/affiliated - equity commitments
Wingspire Capital Holdings LLCSpecialty finance equity investmentN/A$9,000 $36,000 $— 
Total non-controlled/affiliated - equity commitments$9,000 $36,000 $— 
Unfunded
Portfolio CompanyCommitment TypeCommitment Expiration DateFunded CommitmentCommitment
Fair Value(23)
Controlled/affiliated - debt commitments
Notorious Topco, LLC (dba Beauty Industry Group)First lien senior secured revolving loan12/2030$— $10,157 $(152)
Total controlled/affiliated - debt commitments$— $10,157 $(152)
Controlled/affiliated - equity commitments
AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLCSpecialty finance equity investmentN/A$27,363 $36,471 $— 
LSI Financing LLCSpecialty finance equity investmentN/A535,195 189,525 — 
OWL-HP FINANCE LLCSpecialty finance equity investmentN/A44,062 171,438 — 
Total controlled/affiliated - equity commitments$606,620 $397,434 $— 
Total Portfolio Company Commitments$1,589,157 $5,431,921 $(33,790)
*Fully funded
[49] In connection with its investment in AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC and AAM Series 2.1 Aviation Feeder, LLC (collectively, “Amergin AssetCo”) the Company made a minority investment in Amergin Asset Management, LLC which has entered into a Servicing Agreement with Amergin AssetCo.
[50] In connection with its investment in AAM Series 1.1 Rail and Domestic Intermodal Feeder, LLC and AAM Series 2.1 Aviation Feeder, LLC (collectively, “Amergin AssetCo”) the Company made a minority investment in Amergin Asset Management, LLC which has entered into a Servicing Agreement with Amergin AssetCo.
[51] The interest rate on these investments is subject to 3 month SOFR, which as of March 31, 2026 was 3.68%.
[52] The interest rate on these investments is subject to 3 month SOFR, which as of December 31, 2025 was 3.65%.
[53] The interest rate on these investments is subject to 1 month SOFR, which as of March 31, 2026 was 3.66%.
[54] The interest rate on these investments is subject to 1 month SOFR, which as of December 31, 2025 was 3.69%
[55] The interest rate on these investments is subject to 6 month SOFR, which as of March 31, 2026 was 3.70%
[56] The interest rate on these investments is subject to 6 month SOFR, which as of December 31, 2025 was 3.57%
[57] The interest rate on these investments is subject to SONIA, which as of March 31, 2026 was 3.73%.
[58] The interest rate on these investments is subject to SONIA, which as of December 31, 2025 was 3.73%.
[59] The interest rate on these investments is subject to 3 month EURIBOR, which as of March 31, 2026 was 2.08%.
[60] The interest rate on these investments is subject to 3 month EURIBOR, which as of December 31, 2025 was 2.03%.
[61] Investment measured at NAV
[62] Investment measured at net asset value (“NAV”).
[63] For further description of the Company’s investment in OCIC SLF LLC (f/k/a Blue Owl Credit Income Senior Loan Fund LLC) (“OCIC SLF”), Blue Owl Credit SLF LLC (“Credit SLF”), Blue Owl Leasing LLC (“Blue Owl Leasing”) and OWL-HP FINANCE LLC (“Owl-HP Finance”) see “Note 4 — Investments.”
[64] Blue Owl Cross-Strategy Opportunities 2025-1 LLC (fka Blue Owl Cross-Strategy Opportunities LLC) (“BOCSO”), was formed to hold alternative credit assets, including asset-based finance (“ABF”). ABF is a subsector of private credit focused on generating income from pools of financial, physical or other assets. As of March 31, 2026, the portfolio consists of five investments totaling $1.03 billion at cost and fair value, respectively, ranging in cost from $24.9 million to $379.6 million and with a fair value ranging from $24.7 million to $378.0 million. The largest investment is 36.9% of the total cost of BOCSO’s portfolio. As of March 31, 2026 the portfolio asset class composition was 65.6% ABF - Specialty finance, 32.0% ABF - Leasing, and 2.4% ABF - Commercial Real Estate.
[65] BOCSO was formed to hold alternative credit assets, including asset-based finance (“ABF”). ABF is a subsector of private credit focused on generating income from pools of financial, physical or other assets. As of December 31, 2025, the portfolio consists of three investments totaling $500.0 million at cost and fair value, respectively, ranging in cost from $24.8 million to $304.4 million and with a fair value ranging from $24.8 million to $303.9 million. The largest investment is 62.0% of the total cost of BOCSO’s portfolio. As of December 31, 2025 the portfolio asset class composition was 62.0% ABF - Specialty finance, 33.0% ABF - Leasing, and 5.0% ABF - Commercial Real Estate.
[66] The interest rate on these investments is subject to 3 month CORRA, which as of March 31, 2026 was 2.29%.
[67] The interest rate on these investments is subject to 3 month CORRA, which as of December 31, 2025 was 2.26%.
[68] Reserved.
[69] Investment was on non-accrual status as of December 31, 2025.
[70] The interest rate on these investments is subject to 1 month EURIBOR, which as of March 31, 2026 was 1.89%.
[71] The interest rate on these investments is subject to 1 month EURIBOR, which as of December 31, 2025 was 1.94%
[72] We invest in this portfolio company through underlying blocker entities Hercules Blocker 1 LLC, Hercules Blocker 2 LLC, Hercules Blocker 3 LLC, Hercules Blocker 4 LLC, and Hercules Blocker 5 LLC.
[73] We invest in this portfolio company through underlying blocker entities Hercules Blocker 1 LLC, Hercules Blocker 2 LLC, Hercules Blocker 3 LLC, Hercules Blocker 4 LLC, and Hercules Blocker 5 LLC.
[74] The interest rate on these investments is subject to Prime, which as of March 31, 2026 was 6.75%.
[75] The interest rate on these investments is subject to Prime, which as of December 31, 2025 was 6.75%.
[76] Investment was on non-accrual status as of March 31, 2026.
[77] The interest rate on these investments is subject to 3 month BBSY, which as of March 31, 2026 was 4.31%.
[78] Reserved.