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Consolidated Schedule of Investments
€ in Thousands, £ in Thousands, $ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2023
USD ($)
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Dec. 31, 2022
USD ($)
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Dec. 31, 2023
CAD ($)
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Dec. 31, 2023
EUR (€)
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Dec. 31, 2023
GBP (£)
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Dec. 31, 2023
AUD ($)
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Dec. 31, 2022
CAD ($)
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Dec. 31, 2022
EUR (€)
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Dec. 31, 2022
GBP (£)
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Dec. 31, 2022
AUD ($)
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Dec. 31, 2021
USD ($)
Investments at amortized cost $ 3,251,012,000 $ 2,774,726,000                  
Total investments at fair value 3,283,065,000 2,787,925,000                  
Investment, Identifier [Axis]: Controlled Affiliated Investments                      
Total investments at fair value 59,913,000 70,755,000                 $ 59,779,000
Investment, Identifier [Axis]: Controlled Affiliated Investments IRGSE Holding Corp.                      
Total investments at fair value 59,913,000 70,755,000                 59,779,000
Investment, Identifier [Axis]: Debt Investments                      
Investments at amortized cost [1] 3,045,524,000 [2],[3] 2,579,557,000 [4]                  
Total investments at fair value [1] $ 3,071,623,000 [5] $ 2,568,814,000 [4]                  
Percentage of Net Assets [1] 205.30% 188.10% [4] 205.30% 205.30% 205.30% 205.30% 188.10% [4] 188.10% [4] 188.10% [4] 188.10% [4]  
Investment, Identifier [Axis]: Debt Investments Automotive Bestpass, Inc. First-lien loan ($44,800 par, due 5/2029) Initial Acquisition Date 5/26/2023 Reference Rate and Spread SOFR + 5.75% Interest Rate 11.11%                      
Investment, par [1],[4],[6] $ 44,800,000                    
Investment due date [1],[4],[6] 2029-05                    
Initial Acquisition Date [1],[4],[6] May 26, 2023                    
Reference Rate [1],[4],[6] 5.75%   5.75% 5.75% 5.75% 5.75%          
Interest Rate [1],[4],[6] 11.11%   11.11% 11.11% 11.11% 11.11%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 43,571,000                    
Total investments at fair value [1],[4],[5],[6] $ 44,240,000                    
Percentage of Net Assets [1],[4],[6] 3.00%   3.00% 3.00% 3.00% 3.00%          
Investment, Identifier [Axis]: Debt Investments Automotive Carlstar Group, LLC First-lien loan ($33,575 par, due 7/2027) Initial Acquisition Date 7/8/2022 Reference Rate and Spread SOFR + 6.60% Interest Rate 10.92%                      
Investment, par [7],[8]   $ 33,575,000                  
Investment due date [7],[8]   2027-07                  
Initial Acquisition Date [7],[8]   Jul. 08, 2022                  
Reference Rate [7],[8]   6.60%         6.60% 6.60% 6.60% 6.60%  
Interest Rate [7],[8]   10.92%         10.92% 10.92% 10.92% 10.92%  
Investments at amortized cost [7],[8],[9],[10]   $ 32,739,000                  
Total investments at fair value [7],[8],[11]   $ 33,049,000                  
Percentage of Net Assets [7],[8]   2.50%         2.50% 2.50% 2.50% 2.50%  
Investment, Identifier [Axis]: Debt Investments Business Services                      
Investments at amortized cost $ 563,017,000 [1],[2],[3] $ 381,976,000 [7],[9],[10]                  
Total investments at fair value $ 572,260,000 [1],[5] $ 383,243,000 [7],[11]                  
Percentage of Net Assets 38.30% [1] 28.50% [7] 38.30% [1] 38.30% [1] 38.30% [1] 38.30% [1] 28.50% [7] 28.50% [7] 28.50% [7] 28.50% [7]  
Investment, Identifier [Axis]: Debt Investments Business Services Acceo Solutions, Inc. First-lien loan (CAD 52,941 par, due 10/2025) Initial Acquisition Date 7/6/2018 Reference Rate and Spread C + 4.75% Interest Rate 10.21%                      
Investment, par [1],[4],[6],[12]     $ 52,941                
Investment due date [1],[4],[6],[12] 2025-10                    
Initial Acquisition Date [1],[4],[6],[12] Jul. 06, 2018                    
Reference Rate [1],[4],[6],[12] 4.75%   4.75% 4.75% 4.75% 4.75%          
Interest Rate [1],[4],[6],[12] 10.21%   10.21% 10.21% 10.21% 10.21%          
Investments at amortized cost [1],[2],[3],[4],[6],[12] $ 40,026,000                    
Total investments at fair value [1],[4],[5],[6],[12] $ 40,150,000   $ 52,941                
Percentage of Net Assets [1],[4],[6],[12] 2.70%   2.70% 2.70% 2.70% 2.70%          
Investment, Identifier [Axis]: Debt Investments Business Services Alpha Midco, Inc. First-lien loan ($68,885 par, due 8/2025) Initial Acquisition Date 8/15/2019 Reference Rate and Spread SOFR + 7.63% Interest Rate 12.97%                      
Investment, par [1],[4],[6] $ 68,885,000                    
Investment due date [1],[4],[6] 2025-08                    
Initial Acquisition Date [1],[4],[6] Aug. 15, 2019                    
Reference Rate [1],[4],[6] 7.63%   7.63% 7.63% 7.63% 7.63%          
Interest Rate [1],[4],[6] 12.97%   12.97% 12.97% 12.97% 12.97%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 68,287,000                    
Total investments at fair value [1],[4],[5],[6] $ 69,751,000                    
Percentage of Net Assets [1],[4],[6] 4.70%   4.70% 4.70% 4.70% 4.70%          
Investment, Identifier [Axis]: Debt Investments Business Services Artisan Bidco, Inc First-lien loan ($38,112 par, due 11/2029) Initial Acquisition Date 11/7/2023 Reference Rate and Spread SOFR + 7.00% Interest Rate 12.38%                      
Investment, par [1],[4] $ 38,112,000                    
Investment due date [1],[4] 2029-11                    
Initial Acquisition Date [1],[4] Nov. 07, 2023                    
Reference Rate [1],[4] 7.00%   7.00% 7.00% 7.00% 7.00%          
Interest Rate [1],[4] 12.38%   12.38% 12.38% 12.38% 12.38%          
Investments at amortized cost [1],[2],[3],[4] $ 37,250,000                    
Total investments at fair value [1],[4],[5] $ 37,563,000                    
Percentage of Net Assets [1],[4] 2.50%   2.50% 2.50% 2.50% 2.50%          
Investment, Identifier [Axis]: Debt Investments Business Services Artisan Bidco, Inc First-lien loan (EUR 17,735 par, due 11/2029) Initial Acquisition Date 11/7/2023 Reference Rate and Spread E + 7.00% Interest Rate 10.96%                      
Investment, par | € [1],[4]       € 17,735              
Investment due date [1],[4] 2029-11                    
Initial Acquisition Date [1],[4] Nov. 07, 2023                    
Reference Rate [1],[4] 7.00%   7.00% 7.00% 7.00% 7.00%          
Interest Rate [1],[4] 10.96%   10.96% 10.96% 10.96% 10.96%          
Investments at amortized cost [1],[2],[3],[4] $ 18,681,000                    
Total investments at fair value [1],[5] $ 19,346,000     € 17,513              
Percentage of Net Assets [1],[4] 1.30%   1.30% 1.30% 1.30% 1.30%          
Investment, Identifier [Axis]: Debt Investments Business Services BCTO Ignition Purchaser, Inc. First-lien holdco loan ($31,935 par, due 10/2030) Initial Acquisition Date 4/18/2023 Reference Rate and Spread SOFR + 9.00% Interest Rate 14.40% PIK                      
Investment, par [1],[4] $ 31,935,000                    
Investment due date [1],[4] 2030-10                    
Initial Acquisition Date [1],[4] Apr. 18, 2023                    
Reference Rate [1],[4] 9.00%   9.00% 9.00% 9.00% 9.00%          
Interest Rate, PIK [1],[4] 14.40%   14.40% 14.40% 14.40% 14.40%          
Investments at amortized cost [1],[2],[3],[4] $ 31,086,000                    
Total investments at fair value [1],[4],[5] $ 31,775,000                    
Percentage of Net Assets [1],[4] 2.10%   2.10% 2.10% 2.10% 2.10%          
Investment, Identifier [Axis]: Debt Investments Business Services Crewline Buyer, Inc. First-lien loan ($56,324 par, due 11/2030) Initial Acquisition Date 11/8/2023 Reference Rate and Spread SOFR + 6.75% Interest Rate 12.10%                      
Investment, par [1],[4] $ 56,324,000                    
Investment due date [1],[4] 2030-11                    
Initial Acquisition Date [1],[4] Nov. 08, 2023                    
Reference Rate [1],[4] 6.75%   6.75% 6.75% 6.75% 6.75%          
Interest Rate [1],[4] 12.10%   12.10% 12.10% 12.10% 12.10%          
Investments at amortized cost [1],[2],[3],[4] $ 54,781,000                    
Total investments at fair value [1],[4],[5] $ 55,236,000                    
Percentage of Net Assets [1],[4] 3.70%   3.70% 3.70% 3.70% 3.70%          
Investment, Identifier [Axis]: Debt Investments Business Services Dye & Durham Corp. First-lien loan (CAD 37,874 par, due 12/2027) Initial Acquisition Date 12/3/2021 Reference Rate and Spread C + 5.75% Interest Rate 11.26%                      
Investment, par [1],[4],[12]     $ 37,874                
Investment due date [1],[4],[12] 2027-12                    
Initial Acquisition Date [1],[4],[12] Dec. 03, 2021                    
Reference Rate [1],[4],[12] 5.75%   5.75% 5.75% 5.75% 5.75%          
Interest Rate [1],[4],[12] 11.20%   11.20% 11.20% 11.20% 11.20%          
Investments at amortized cost [1],[2],[3],[4],[12] $ 28,873,000                    
Total investments at fair value [1],[4],[5],[12] $ 28,938,000   $ 38,158                
Percentage of Net Assets [1],[4],[12] 1.90%   1.90% 1.90% 1.90% 1.90%          
Investment, Identifier [Axis]: Debt Investments Business Services Dye & Durham Corp. First-lien revolving loan (CAD 1,086 par, due 12/2026) Initial Acquisition Date 12/3/2021 Reference Rate and Spread C + 5.75% Interest Rate 11.20%                      
Investment, par [1],[4],[12]     $ 1,086                
Investment due date [1],[4],[12] 2026-12                    
Initial Acquisition Date [1],[4],[12] Dec. 03, 2021                    
Reference Rate [1],[4],[12] 5.75%   5.75% 5.75% 5.75% 5.75%          
Interest Rate [1],[4],[12] 11.20%   11.20% 11.20% 11.20% 11.20%          
Investments at amortized cost [1],[2],[3],[4],[12] $ 693,000                    
Total investments at fair value [1],[4],[5],[12] $ 824,000   $ 1,086                
Percentage of Net Assets [1],[4],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Debt Investments Business Services ExtraHop Networks, Inc. First-lien loan ($66,197 par, due 7/2027) Initial Acquisition Date 7/22/2021 Reference Rate and Spread SOFR + 7.60% Interest Rate 12.96%                      
Investment, par [1],[4],[6] $ 66,197,000                    
Investment due date [1],[4],[6] 2027-07                    
Initial Acquisition Date [1],[4],[6] Jul. 22, 2021                    
Reference Rate [1],[4],[6] 7.60%   7.60% 7.60% 7.60% 7.60%          
Interest Rate [1],[4],[6] 12.96%   12.96% 12.96% 12.96% 12.96%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 65,245,000                    
Total investments at fair value [1],[4],[5],[6] $ 65,866,000                    
Percentage of Net Assets [1],[4],[6] 4.40%   4.40% 4.40% 4.40% 4.40%          
Investment, Identifier [Axis]: Debt Investments Business Services ForeScout Technologies, Inc. First-lien loan ($5,476 par, due 8/2026) Initial Acquisition Date 7/1/2022 Reference Rate and Spread SOFR + 8.10% Interest Rate 13.45%                      
Investment, par [1],[4] $ (5,476,000)                    
Investment due date [1],[4] 2026-08                    
Initial Acquisition Date [1],[4] Jul. 01, 2022                    
Reference Rate [1],[4] 8.10%   8.10% 8.10% 8.10% 8.10%          
Interest Rate [1],[4] 13.45%   13.45% 13.45% 13.45% 13.45%          
Investments at amortized cost [1],[2],[3],[4] $ 5,420,000                    
Total investments at fair value [1],[4],[5] $ 5,498,000                    
Percentage of Net Assets [1],[4] 0.40%   0.40% 0.40% 0.40% 0.40%          
Investment, Identifier [Axis]: Debt Investments Business Services Galileo Parent, Inc. First-lien loan ($64,742 par, due 5/2030) Initial Acquisition Date 5/3/2023 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.60%                      
Investment, par [1],[4] $ 64,742,000                    
Investment due date [1],[4] 2030-05                    
Initial Acquisition Date [1],[4] May 03, 2023                    
Reference Rate [1],[4] 7.25%   7.25% 7.25% 7.25% 7.25%          
Interest Rate [1],[4] 12.60%   12.60% 12.60% 12.60% 12.60%          
Investments at amortized cost [1],[2],[3],[4] $ 62,920,000                    
Total investments at fair value [1],[4],[5] $ 63,770,000                    
Percentage of Net Assets [1],[4] 4.30%   4.30% 4.30% 4.30% 4.30%          
Investment, Identifier [Axis]: Debt Investments Business Services Galileo Parent, Inc. First-lien revolving loan ($3,317 par, due 5/2029) Initial Acquisition Date 5/3/2023 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.60%                      
Investment, par [1],[4] $ 3,317,000                    
Investment due date [1],[4] 2029-05                    
Initial Acquisition Date [1],[4] May 03, 2023                    
Reference Rate [1],[4] 7.25%   7.25% 7.25% 7.25% 7.25%          
Interest Rate [1],[4] 12.60%   12.60% 12.60% 12.60% 12.60%          
Investments at amortized cost [1],[2],[3],[4] $ 3,048,000                    
Total investments at fair value [1],[4],[5] $ 3,166,000                    
Percentage of Net Assets [1],[4] 0.20%   0.20% 0.20% 0.20% 0.20%          
Investment, Identifier [Axis]: Debt Investments Business Services Hornetsecurity Holding GmbH First-lien loan (EUR 3,150 par, due 11/2029) Initial Acquisition Date 11/14/2022 Reference Rate and Spread E + 6.50% Interest Rate 10.50%                      
Investment, par | € [1],[4],[12]       € 3,150              
Investment due date [1],[4],[12] 2029-11                    
Initial Acquisition Date [1],[4],[12] Nov. 14, 2022                    
Reference Rate [1],[4],[12] 6.50%   6.50% 6.50% 6.50% 6.50%          
Interest Rate [1],[4],[12] 10.50%   10.50% 10.50% 10.50% 10.50%          
Investments at amortized cost [1],[2],[3],[4],[12] $ 3,154,000                    
Total investments at fair value [1],[4],[5],[12] $ 3,536,000     € 3,201              
Percentage of Net Assets [1],[4],[12] 0.20%   0.20% 0.20% 0.20% 0.20%          
Investment, Identifier [Axis]: Debt Investments Business Services Information Clearinghouse, LLC and MS Market Service, LLC First-lien loan ($17,640 par, due 12/2026) Initial Acquisition Date 12/20/2021 Reference Rate and Spread SOFR + 6.65% Interest Rate 12.02%                      
Investment, par [1],[4],[6] $ 17,640,000                    
Investment due date [1],[4],[6] 2026-12                    
Initial Acquisition Date [1],[4],[6] Dec. 20, 2021                    
Reference Rate [1],[4],[6] 6.65%   6.65% 6.65% 6.65% 6.65%          
Interest Rate [1],[4],[6] 12.02%   12.02% 12.02% 12.02% 12.02%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 17,342,000                    
Total investments at fair value [1],[4],[5],[6] $ 17,598,000                    
Percentage of Net Assets [1],[4],[6] 1.20%   1.20% 1.20% 1.20% 1.20%          
Investment, Identifier [Axis]: Debt Investments Business Services Mitnick Corporate Purchaser, Inc First-lien loan ($329 par, due 5/2029) Initial Acquisition Date 5/2/2022 Reference Rate and Spread SOFR + 4.50% Interest Rate 9.98%                      
Investment, par [1],[4],[5] $ 329,000                    
Investment due date [1],[4],[5] 2029-05                    
Initial Acquisition Date [1],[4],[5] May 02, 2022                    
Reference Rate [1],[4],[5] 4.50%   4.50% 4.50% 4.50% 4.50%          
Interest Rate [1],[4],[5] 9.98%   9.98% 9.98% 9.98% 9.98%          
Investments at amortized cost [1],[2],[3],[4],[5] $ 329,000                    
Total investments at fair value [1],[4],[5] $ 310,000                    
Percentage of Net Assets [1],[4],[5] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, Identifier [Axis]: Debt Investments Business Services Netwrix Corp First-lien loan ($36,594 par, due 6/2029) Initial Acquisition Date 6/9/2022 Reference Rate and Spread SOFR + 5.00% Interest Rate 10.39%                      
Investment, par [1],[4] $ 36,594,000                    
Investment due date [1],[4] 2029-06                    
Initial Acquisition Date [1],[4] Jun. 09, 2022                    
Reference Rate [1],[4] 5.00%   5.00% 5.00% 5.00% 5.00%          
Interest Rate [1],[4] 10.39%   10.39% 10.39% 10.39% 10.39%          
Investments at amortized cost [1],[2],[3],[4] $ 36,074,000                    
Total investments at fair value [1],[4],[5] $ 36,842,000                    
Percentage of Net Assets [1],[4] 2.40%   2.40% 2.40% 2.40% 2.40%          
Investment, Identifier [Axis]: Debt Investments Business Services OutSystems Luxco SARL First-lien loan (EUR 3,004 par, due 12/2028) Initial Acquisition Date 12/8/2022 Reference Rate and Spread E + 5.75% Interest Rate 9.59%                      
Investment, par | € [1],[4],[6],[12]       € 3,004              
Investment due date [1],[4],[6],[12] 2028-12                    
Initial Acquisition Date [1],[4],[6],[12] Dec. 08, 2022                    
Reference Rate [1],[4],[6],[12] 5.75%   5.75% 5.75% 5.75% 5.75%          
Interest Rate [1],[4],[6],[12] 9.59%   9.59% 9.59% 9.59% 9.59%          
Investments at amortized cost [1],[2],[3],[4],[6],[12] $ 3,091,000                    
Total investments at fair value [1],[4],[5],[6],[12] $ 3,332,000     € 3,016              
Percentage of Net Assets [1],[4],[6],[12] 0.20%   0.20% 0.20% 0.20% 0.20%          
Investment, Identifier [Axis]: Debt Investments Business Services Price Fx Inc. First-lien loan (EUR 910 par, due 10/2029) Initial Acquisition Date 10/27/2023 Reference Rate and Spread E + 7.00% Interest Rate 10.94%                      
Investment, par | € [1],[4],[12]       € 910              
Investment due date [1],[4],[12] 2029-10                    
Initial Acquisition Date [1],[4],[12] Oct. 27, 2023                    
Reference Rate [1],[4],[12] 7.00%   7.00% 7.00% 7.00% 7.00%          
Interest Rate [1],[4],[12] 10.94%   10.94% 10.94% 10.94% 10.94%          
Investments at amortized cost [1],[2],[3],[4],[12] $ 962,000                    
Total investments at fair value [1],[4],[5],[12] $ 983,000                    
Percentage of Net Assets [1],[4],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Debt Investments Business Services Price fx Inc. First-lien loan (EUR 910 par, due 10/2029) Initial Acquisition Date 10/27/2023 Reference Rate and Spread E + 7.00% Interest Rate 10.94%                      
Total investments at fair value | € [1],[4],[5],[12]       € 890              
Investment, Identifier [Axis]: Debt Investments Business Services ReliaQuest Holdings, LLC First-lien loan ($82,626 par, due 10/2026) Initial Acquisition Date 10/8/2020 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.63%                      
Investment, par [1],[4],[6] $ 82,626,000                    
Investment due date [1],[4],[6] 2026-10                    
Initial Acquisition Date [1],[4],[6] Oct. 08, 2020                    
Reference Rate [1],[4],[6] 7.25%   7.25% 7.25% 7.25% 7.25%          
Interest Rate [1],[4],[6] 12.63%   12.63% 12.63% 12.63% 12.63%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 81,711,000                    
Total investments at fair value [1],[4],[5],[6] $ 83,658,000                    
Percentage of Net Assets [1],[4],[6] 5.60%   5.60% 5.60% 5.60% 5.60%          
Investment, Identifier [Axis]: Debt Investments Business Services Wrangler TopCo, LLC First-lien loan ($4,043,546 par, due 7/2029) Initial Acquisition Date 7/7/2023 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.88%                      
Investment, par [1],[4] $ 4,043,546,000                    
Investment due date [1],[4] 2029-07                    
Initial Acquisition Date [1],[4] Jul. 07, 2023                    
Reference Rate [1],[4] 7.50%   7.50% 7.50% 7.50% 7.50%          
Interest Rate [1],[4] 12.88%   12.88% 12.88% 12.88% 12.88%          
Investments at amortized cost [1],[2],[3],[4] $ 4,044,000                    
Total investments at fair value [1],[4],[5] $ 4,118,000                    
Percentage of Net Assets [1],[4] 0.30%   0.30% 0.30% 0.30% 0.30%          
Investment, Identifier [Axis]: Debt Investments Business services Acceo Solutions, Inc. First-lien loan (CAD 57,353 par, due 10/2025) Initial Acquisition Date 7/6/2018 Reference Rate and Spread C + 4.75% Interest Rate 9.49%                      
Investment, par [7],[8],[13]             $ 57,353        
Investment due date [7],[8],[13]   2025-10                  
Initial Acquisition Date [7],[8],[13]   Jul. 06, 2018                  
Reference Rate [7],[8],[13]   4.75%         4.75% 4.75% 4.75% 4.75%  
Interest Rate [7],[8],[13]   9.49%         9.49% 9.49% 9.49% 9.49%  
Investments at amortized cost [7],[8],[9],[10],[13]   $ 43,241,000                  
Total investments at fair value [7],[8],[11],[13]   $ 42,540,000         $ 57,640        
Percentage of Net Assets [7],[8],[13]   3.20%         3.20% 3.20% 3.20% 3.20%  
Investment, Identifier [Axis]: Debt Investments Business services Alpha Midco, Inc. First-lien loan ($68,720 par, due 8/2025) Initial Acquisition Date 8/15/2019 Reference Rate and Spread SOFR + 7.63% Interest Rate 12.21%                      
Investment, par [7],[8]   $ 68,720,000                  
Investment due date [7],[8]   2025-08                  
Initial Acquisition Date [7],[8]   Aug. 15, 2019                  
Reference Rate [7],[8]   7.63%         7.63% 7.63% 7.63% 7.63%  
Interest Rate [7],[8]   12.21%         12.21% 12.21% 12.21% 12.21%  
Investments at amortized cost [7],[8],[9],[10]   $ 67,831,000                  
Total investments at fair value [7],[8],[11]   $ 69,242,000                  
Percentage of Net Assets [7],[8]   5.20%         5.20% 5.20% 5.20% 5.20%  
Investment, Identifier [Axis]: Debt Investments Business services Dye & Durham Corp. First-lien loan (CAD 34,220 par, due 12/2027) Initial Acquisition Date 12/3/2021 Reference Rate and Spread C + 5.75% Interest Rate 10.69%                      
Investment, par [7],[8],[13]   $ 34,220,000                  
Investment due date [7],[8],[13]   2027-12                  
Initial Acquisition Date [7],[8],[13]   Dec. 03, 2021                  
Reference Rate [7],[8],[13]   5.75%         5.75% 5.75% 5.75% 5.75%  
Interest Rate [7],[8],[13]   10.69%         10.69% 10.69% 10.69% 10.69%  
Investments at amortized cost [7],[8],[9],[10],[13]   $ 25,076,000                  
Total investments at fair value [7],[8],[11],[13]   $ 24,113,000         $ 32,672        
Percentage of Net Assets [7],[8],[13]   1.80%         1.80% 1.80% 1.80% 1.80%  
Investment, Identifier [Axis]: Debt Investments Business services Dye & Durham Corp. First-lien revolving loan (CAD 1,448 par, due 12/2026) Initial Acquisition Date 12/3/2021 Reference Rate and Spread P + 6.75% Interest Rate 11.2%                      
Investment, par [7],[8],[13]   $ 1,448,000                  
Investment due date [7],[8],[13]   2026-12                  
Initial Acquisition Date [7],[8],[13]   Dec. 03, 2021                  
Reference Rate [7],[8],[13]   6.75%         6.75% 6.75% 6.75% 6.75%  
Interest Rate [7],[8],[13]   11.20%         11.20% 11.20% 11.20% 11.20%  
Investments at amortized cost [7],[8],[9],[10],[13]   $ 1,095,000                  
Total investments at fair value [7],[8],[11],[13]   $ 1,069,000         $ 1,448        
Percentage of Net Assets [7],[8],[13]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Debt Investments Business services ExtraHop Networks, Inc. First-lien loan ($57,950 par, due 7/2027) Initial Acquisition Date 7/22/2021 Reference Rate and Spread L + 7.50% Interest Rate 12.23%                      
Investment, par [7],[8],[14]   $ 57,950,000                  
Investment due date [7],[8],[14]   2027-07                  
Initial Acquisition Date [7],[8],[14]   Jul. 22, 2021                  
Reference Rate [7],[8],[14]   7.50%         7.50% 7.50% 7.50% 7.50%  
Interest Rate [7],[8],[14]   12.23%         12.23% 12.23% 12.23% 12.23%  
Investments at amortized cost [7],[8],[9],[10],[14]   $ 56,812,000                  
Total investments at fair value [7],[8],[11],[14]   $ 56,791,000                  
Percentage of Net Assets [7],[8],[14]   4.20%         4.20% 4.20% 4.20% 4.20%  
Investment, Identifier [Axis]: Debt Investments Business services ForeScout Technologies, Inc. First-lien loan ($2,606 par, due 8/2026) Initial Acquisition Date 7/1/2022Reference Rate and Spread L + 9.00%Interest Rate13.72% (incl. 9.00% PIK)                      
Investment, par [7],[8]   $ 2,606,000                  
Investment due date [7],[8]   2026-08                  
Initial Acquisition Date [7],[8]   Jul. 01, 2022                  
Reference Rate [7],[8]   9.00%         9.00% 9.00% 9.00% 9.00%  
Interest Rate [7],[8]   13.72%         13.72% 13.72% 13.72% 13.72%  
Interest Rate, PIK [7],[8]   9.00%         9.00% 9.00% 9.00% 9.00%  
Investments at amortized cost [7],[8],[9],[10]   $ 2,533,000                  
Total investments at fair value [7],[8],[11]   $ 2,489,000                  
Percentage of Net Assets [7],[8]   0.20%         0.20% 0.20% 0.20% 0.20%  
Investment, Identifier [Axis]: Debt Investments Business services ForeScout Technologies, Inc. First-lien loan ($6,502 par, due 8/2026) Initial Acquisition Date 8/17/2020 Reference Rate and Spread L + 9.50% Interest Rate 14.23% (incl. 9.50% PIK)                      
Investment, par [7],[8]   $ 6,502,000                  
Investment due date [7],[8]   2026-08                  
Initial Acquisition Date [7],[8]   Aug. 17, 2020                  
Reference Rate [7],[8]   9.50%         9.50% 9.50% 9.50% 9.50%  
Interest Rate [7],[8]   14.23%         14.23% 14.23% 14.23% 14.23%  
Interest Rate, PIK [7],[8]   9.50%         9.50% 9.50% 9.50% 9.50%  
Investments at amortized cost [7],[8],[9],[10]   $ 6,412,000                  
Total investments at fair value [7],[8],[11]   $ 6,421,000                  
Percentage of Net Assets [7],[8]   0.50%         0.50% 0.50% 0.50% 0.50%  
Investment, Identifier [Axis]: Debt Investments Business services Hornetsecurity Holding GmbH First-lien loan (EUR 3,150 par, due 11/2029) Initial Acquisition Date 11/14/2022 Reference Rate and Spread E + 6.50% Interest Rate 8.26%                      
Investment, par [7],[8],[13]   $ 3,150,000                  
Investment due date [7],[8],[13]   2029-11                  
Initial Acquisition Date [7],[8],[13]   Nov. 14, 2022                  
Reference Rate [7],[8],[13]   6.50%         6.50% 6.50% 6.50% 6.50%  
Interest Rate [7],[8],[13]   8.26%         8.26% 8.26% 8.26% 8.26%  
Investments at amortized cost [7],[8],[9],[10],[13]   $ 3,140,000                  
Total investments at fair value [7],[8],[11],[13]   $ 3,213,000           € 3,011      
Percentage of Net Assets [7],[8],[13]   0.20%         0.20% 0.20% 0.20% 0.20%  
Investment, Identifier [Axis]: Debt Investments Business services Information Clearinghouse, LLC and MS Market Service, LLC First-lien loan ($17,820 par, due 12/2026) Initial Acquisition Date 12/20/2021 Reference Rate and Spread SOFR + 6.65% Interest Rate 11.16%                      
Investment, par [7],[8],[14]   $ 17,820,000                  
Investment due date [7],[8],[14]   2026-12                  
Initial Acquisition Date [7],[8],[14]   Dec. 20, 2021                  
Reference Rate [7],[8],[14]   6.65%         6.65% 6.65% 6.65% 6.65%  
Interest Rate [7],[8],[14]   11.16%         11.16% 11.16% 11.16% 11.16%  
Investments at amortized cost [7],[8],[9],[10],[14]   $ 17,433,000                  
Total investments at fair value [7],[8],[11],[14]   $ 17,375,000                  
Percentage of Net Assets [7],[8],[14]   1.30%         1.30% 1.30% 1.30% 1.30%  
Investment, Identifier [Axis]: Debt Investments Business services Mitnick Corporate Purchaser, Inc. First-lien loan ($333 par, due 5/2029) Initial Acquisition Date 5/2/2022 Reference Rate and Spread SOFR + 4.85% Interest Rate 8.94%                      
Investment, par [7],[8],[15]   $ 333,000                  
Investment due date [7],[8],[15]   2029-05                  
Initial Acquisition Date [7],[8],[15]   May 02, 2022                  
Reference Rate [7],[8],[15]   4.85%         4.85% 4.85% 4.85% 4.85%  
Interest Rate [7],[8],[15]   8.94%         8.94% 8.94% 8.94% 8.94%  
Investments at amortized cost [7],[8],[9],[10],[15]   $ 333,000                  
Total investments at fair value [7],[8],[11],[15]   $ 311,000                  
Percentage of Net Assets [7],[8],[15]   0.00%         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Debt Investments Business services Netwrix Corp. First-lien loan ($36,119 par, due 6/2029) Initial Acquisition Date 6/9/2022 Reference Rate and Spread SOFR + 5.00% Interest Rate 9.7%                      
Investment, par [7],[8]   $ 36,119,000                  
Investment due date [7],[8]   2029-06                  
Initial Acquisition Date [7],[8]   Jun. 09, 2022                  
Reference Rate [7],[8]   5.00%         5.00% 5.00% 5.00% 5.00%  
Interest Rate [7],[8]   9.70%         9.70% 9.70% 9.70% 9.70%  
Investments at amortized cost [7],[8],[9],[10]   $ 35,515,000                  
Total investments at fair value [7],[8],[11]   $ 35,119,000                  
Percentage of Net Assets [7],[8]   2.60%         2.60% 2.60% 2.60% 2.60%  
Investment, Identifier [Axis]: Debt Investments Business services OutSystems Luxco SARL First-lien loan (EUR 3,004 par, due 12/2028) Initial Acquisition Date 12/8/2022 Reference Rate and Spread E + 5.75% Interest Rate 7.74%                      
Investment, par [7],[8],[14]   $ 3,004,000                  
Investment due date [7],[8],[14]   2028-12                  
Initial Acquisition Date [7],[8],[14]   Dec. 08, 2022                  
Reference Rate [7],[8],[14]   5.75%         5.75% 5.75% 5.75% 5.75%  
Interest Rate [7],[8],[14]   7.74%         7.74% 7.74% 7.74% 7.74%  
Investments at amortized cost [7],[8],[9],[10],[14]   $ 3,060,000                  
Total investments at fair value [7],[8],[11],[14]   $ 3,112,000           € 2,916      
Percentage of Net Assets [7],[8],[14]   0.20%         0.20% 0.20% 0.20% 0.20%  
Investment, Identifier [Axis]: Debt Investments Business services ReliaQuest Holdings, LLC First-lien loan ($63,477 par, due 10/2026) Initial Acquisition Date 10/8/2020 Reference Rate and Spread SOFR + 7.25% Interest Rate 11.83%                      
Investment, par [7],[8],[14]   $ 63,477,000                  
Investment due date [7],[8],[14]   2026-10                  
Initial Acquisition Date [7],[8],[14]   Oct. 08, 2020                  
Reference Rate [7],[8],[14]   7.25%         7.25% 7.25% 7.25% 7.25%  
Interest Rate [7],[8],[14]   11.83%         11.83% 11.83% 11.83% 11.83%  
Investments at amortized cost [7],[8],[9],[10],[14]   $ 62,411,000                  
Total investments at fair value [7],[8],[11],[14]   $ 63,477,000                  
Percentage of Net Assets [7],[8],[14]   4.70%         4.70% 4.70% 4.70% 4.70%  
Investment, Identifier [Axis]: Debt Investments Business services TIBCO Software Inc. First-lien loan ($12,000 par, due 3/2029) Initial Acquisition Date 9/20/2022 Reference Rate and Spread SOFR + 4.60% Interest Rate 9.19%                      
Investment, par [7],[8],[15]   $ 12,000,000                  
Investment due date [7],[8],[15]   2029-03                  
Initial Acquisition Date [7],[15]   Sep. 20, 2022                  
Reference Rate [7],[15]   4.60%         4.60% 4.60% 4.60% 4.60%  
Interest Rate [7],[15]   9.19%         9.19% 9.19% 9.19% 9.19%  
Investments at amortized cost [7],[9],[10],[15]   $ 10,947,000                  
Total investments at fair value [7],[11],[15]   $ 10,680,000                  
Percentage of Net Assets [7],[15]   0.80%         0.80% 0.80% 0.80% 0.80%  
Investment, Identifier [Axis]: Debt Investments Business services TIBCO Software Inc. First-lien note ($13,000 par, due 3/2029) Initial Acquisition Date 9/20/2022 Reference Rate and Spread 6.50% Interest Rate 6.5%                      
Investment, par [7],[15]   $ 13,000,000                  
Investment due date [7],[15]   2029-03                  
Initial Acquisition Date [7],[15]   Sep. 20, 2022                  
Reference Rate [7],[15]   6.50%         6.50% 6.50% 6.50% 6.50%  
Interest Rate [7],[15]   6.50%         6.50% 6.50% 6.50% 6.50%  
Investments at amortized cost [7],[9],[10],[15]   $ 10,924,000                  
Total investments at fair value [7],[11],[15]   $ 10,944,000                  
Percentage of Net Assets [7],[15]   0.80%         0.80% 0.80% 0.80% 0.80%  
Investment, Identifier [Axis]: Debt Investments Business services WideOrbit, Inc. First-lien loan ($35,548 par, due 7/2025) Initial Acquisition Date 7/8/2020 Reference Rate and Spread L + 8.50% Interest Rate 12.88%                      
Investment, par [7],[8]   $ 35,548,000                  
Investment due date [7],[8]   2025-07                  
Initial Acquisition Date [7],[8]   Jul. 08, 2020                  
Reference Rate [7],[8]   8.50%         8.50% 8.50% 8.50% 8.50%  
Interest Rate [7],[8]   12.88%         12.88% 12.88% 12.88% 12.88%  
Investments at amortized cost [7],[8],[9],[10]   $ 35,213,000                  
Total investments at fair value [7],[8],[11]   $ 36,347,000                  
Percentage of Net Assets [7],[8]   2.70%         2.70% 2.70% 2.70% 2.70%  
Investment, Identifier [Axis]: Debt Investments Chemicals                      
Investments at amortized cost [1],[3] $ 21,214,000 [2] $ 18,153,000 [16]                  
Total investments at fair value [1] $ 24,194,000 [5] $ 19,248,000 [2]                  
Percentage of Net Assets [1] 1.60% 1.40% 1.60% 1.60% 1.60% 1.60% 1.40% 1.40% 1.40% 1.40%  
Investment, Identifier [Axis]: Debt Investments Chemicals Erling Lux Bidco SARL First-lien loan (EUR 7,239 par, due 9/2028) Initial Acquisition Date 9/6/2022 Reference Rate and Spread E + 6.75% Interest Rate 10.70%                      
Investment, par | € [1],[4],[12]       € 7,239              
Investment due date [1],[4],[12] 2028-09                    
Initial Acquisition Date [1],[4],[12] Sep. 06, 2022                    
Reference Rate [1],[4],[12] 6.75%   6.75% 6.75% 6.75% 6.75%          
Interest Rate [1],[4],[12] 10.70%   10.70% 10.70% 10.70% 10.70%          
Investments at amortized cost [1],[2],[3],[4],[12] $ 6,954,000                    
Total investments at fair value [1],[4],[5],[12] $ 8,053,000     € 7,290              
Percentage of Net Assets [1],[4],[12] 0.50%   0.50% 0.50% 0.50% 0.50%          
Investment, Identifier [Axis]: Debt Investments Chemicals Erling Lux Bidco SARL First-lien loan (EUR 7,239 par, due 9/2028) Initial Acquisition Date 9/6/2022 Reference Rate and Spread E + 6.75% Interest Rate 8.73%                      
Investment, par | € [1],[4],[12]               € 7,239      
Investment due date [1],[4],[12]   2028-09                  
Initial Acquisition Date [1],[4],[12]   Sep. 06, 2022                  
Reference Rate [1],[4],[12]   6.75%         6.75% 6.75% 6.75% 6.75%  
Interest Rate [1],[4],[12]   8.73%         8.73% 8.73% 8.73% 8.73%  
Investments at amortized cost [1],[3],[4],[12],[16]   $ 6,908,000                  
Total investments at fair value [1],[2],[4],[12]   $ 7,326,000           € 6,864      
Percentage of Net Assets [1],[4],[12]   0.50%         0.50% 0.50% 0.50% 0.50%  
Investment, Identifier [Axis]: Debt Investments Chemicals Erling Lux Bidco SARL First-lien loan (GBP 10,217 par, due 9/2028) Initial Acquisition Date 9/6/2022 Reference Rate and Spread S + 6.75% Interest Rate 10.20%                      
Investment, par | £ [1],[4],[12]                 £ 10,217    
Investment due date [1],[4],[12]   2028-09                  
Initial Acquisition Date [1],[4],[12]   Sep. 06, 2022                  
Reference Rate [1],[4],[12]   6.75%         6.75% 6.75% 6.75% 6.75%  
Interest Rate [1],[4],[12]   10.20%         10.20% 10.20% 10.20% 10.20%  
Investments at amortized cost [1],[4],[10],[12],[16]   $ 11,245,000                  
Total investments at fair value [1],[2],[4],[12]   $ 11,922,000             £ 9,911    
Percentage of Net Assets [1],[4],[12]   0.90%         0.90% 0.90% 0.90% 0.90%  
Investment, Identifier [Axis]: Debt Investments Chemicals Erling Lux Bidco SARL First-lien loan (GBP 12,287 par, due 9/2028) Initial Acquisition Date 9/6/2022 Reference Rate and Spread S + 6.75% Interest Rate 11.98%                      
Investment, par | £ [1],[4],[12]         £ 12,287            
Investment due date [1],[4],[12] 2028-09                    
Initial Acquisition Date [1],[4],[12] Sep. 06, 2022                    
Reference Rate [1],[4],[12] 6.75%   6.75% 6.75% 6.75% 6.75%          
Interest Rate [1],[4],[12] 11.98%   11.98% 11.98% 11.98% 11.98%          
Investments at amortized cost [1],[2],[3],[4],[12] $ 13,860,000                    
Total investments at fair value [1],[4],[5],[12] $ 15,742,000       £ 12,349            
Percentage of Net Assets [1],[4],[12] 1.10%   1.10% 1.10% 1.10% 1.10%          
Investment, Identifier [Axis]: Debt Investments Chemicals Erling Lux Bidco SARL First-lien revolving loan (GBP 312 par, due 9/2028) Initial Acquisition Date 9/6/2022 Reference Rate and Spread S + 6.75% Interest Rate 11.98%                      
Investment, par | £ [1],[4],[12]         £ 312            
Investment due date [1],[4],[12] 2028-09                    
Initial Acquisition Date [1],[4],[12] Sep. 06, 2022                    
Reference Rate [1],[4],[12] 6.75%   6.75% 6.75% 6.75% 6.75%          
Interest Rate [1],[4],[12] 11.98%   11.98% 11.98% 11.98% 11.98%          
Investments at amortized cost [1],[2],[3],[4],[12] $ 400,000                    
Total investments at fair value [1],[4],[5],[12] $ 399,000       £ 313            
Percentage of Net Assets [1],[4],[12] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, Identifier [Axis]: Debt Investments Communications                      
Investments at amortized cost [1],[3] $ 100,427,000 [2] $ 72,747,000 [16]                  
Total investments at fair value [1] $ 102,165,000 [5] $ 71,487,000 [2]                  
Percentage of Net Assets [1] 6.80% 5.30% 6.80% 6.80% 6.80% 6.80% 5.30% 5.30% 5.30% 5.30%  
Investment, Identifier [Axis]: Debt Investments Communications Banyan Software Holdings, LLC First-lien loan ($29,739 par, due 10/2026) Initial Acquisition Date 1/7/2023 Reference Rate and Spread SOFR + 7.35% Interest Rate 12.71%                      
Investment, par [1],[4],[12] $ 29,739,000                    
Investment due date [1],[4],[12] 2026-10                    
Initial Acquisition Date [1],[4],[12] Jan. 27, 2023                    
Reference Rate [1],[4],[12] 7.35%   7.35% 7.35% 7.35% 7.35%          
Interest Rate [1],[4],[12] 12.71%   12.71% 12.71% 12.71% 12.71%          
Investments at amortized cost [1],[2],[3],[4],[12] $ 28,771,000                    
Total investments at fair value [1],[4],[5],[12] $ 29,739,000                    
Percentage of Net Assets [1],[4],[12] 2.00%   2.00% 2.00% 2.00% 2.00%          
Investment, Identifier [Axis]: Debt Investments Communications Celtra Technologies, Inc. First-lien loan ($34,038 par, due 11/2026) Initial Acquisition Date 11/19/2021 Reference Rate and Spread SOFR + 6.35% Interest Rate 11.71%                      
Investment, par [1],[4],[6] $ 34,038,000                    
Investment due date [1],[4],[6] 2026-11                    
Initial Acquisition Date [1],[4],[6] Nov. 19, 2021                    
Reference Rate [1],[4],[6] 6.35%   6.35% 6.35% 6.35% 6.35%          
Interest Rate [1],[4],[6] 11.71%   11.71% 11.71% 11.71% 11.71%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 33,357,000                    
Total investments at fair value [1],[4],[5],[6] $ 34,038,000                    
Percentage of Net Assets [1],[4],[6] 2.30%   2.30% 2.30% 2.30% 2.30%          
Investment, Identifier [Axis]: Debt Investments Communications Celtra Technologies, Inc. First-lien loan ($34,650 par, due 11/2026) Initial Acquisition Date 11/19/2021 Reference Rate and Spread L + 7.00% Interest Rate 11.38%                      
Investment, par [1],[4],[6]   $ 34,650,000                  
Investment due date [1],[4],[6]   2026-11                  
Initial Acquisition Date [1],[4],[6]   Nov. 19, 2021                  
Reference Rate [1],[4],[6]   7.00%         7.00% 7.00% 7.00% 7.00%  
Interest Rate [1],[4],[6]   11.38%         11.38% 11.38% 11.38% 11.38%  
Investments at amortized cost [1],[3],[4],[6],[16]   $ 33,764,000                  
Total investments at fair value [1],[2],[4],[6]   $ 33,264,000                  
Percentage of Net Assets [1],[4],[6]   2.50%         2.50% 2.50% 2.50% 2.50%  
Investment, Identifier [Axis]: Debt Investments Communications IntelePeer Holdings, Inc. Convertible note ($4,382 par, due 5/2028) Initial Acquisition Date 5/12/2021 Reference Rate and Spread 6.50% Interest Rate 6.50% PIK                      
Investment, par [1]   $ 4,382,000                  
Investment due date [1]   2028-05                  
Initial Acquisition Date [1]   May 12, 2021                  
Reference Rate [1]   6.50%         6.50% 6.50% 6.50% 6.50%  
Interest Rate [1]   6.50%         6.50% 6.50% 6.50% 6.50%  
Investments at amortized cost [1],[3],[16]   $ 4,350,000                  
Total investments at fair value [1],[2]   $ 4,240,000                  
Percentage of Net Assets [1]   0.30%         0.30% 0.30% 0.30% 0.30%  
Investment, Identifier [Axis]: Debt Investments Communications IntelePeer Holdings, Inc. Convertible note ($4,700 par, due 5/2028) Initial Acquisition Date 5/12/2021 Reference Rate and Spread 7.50% Interest Rate 7.50% PIK                      
Investment, par [1],[4],[6] $ 4,700,000                    
Investment due date [1],[4],[6] 2028-05                    
Initial Acquisition Date [1],[4],[6] May 12, 2021                    
Reference Rate [1],[4],[6] 7.50%   7.50% 7.50% 7.50% 7.50%          
Interest Rate, PIK [1],[4],[6] 7.50%   7.50% 7.50% 7.50% 7.50%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 4,674,000                    
Total investments at fair value [1],[4],[5],[6] $ 4,994,000                    
Percentage of Net Assets [1],[4],[6] 0.30%   0.30% 0.30% 0.30% 0.30%          
Investment, Identifier [Axis]: Debt Investments Communications IntelePeer Holdings, Inc. First-lien loan ($33,646 par, due 12/2024) Initial Acquisition Date 12/2/2019 Reference Rate and Spread SOFR + 8.40% Interest Rate 13.75%                      
Investment, par [1],[4],[6] $ 33,646,000                    
Investment due date [1],[4],[6] 2024-12                    
Initial Acquisition Date [1],[4],[6] Dec. 02, 2019                    
Reference Rate [1],[4],[6] 8.40%   8.40% 8.40% 8.40% 8.40%          
Interest Rate [1],[4],[6] 13.75%   13.75% 13.75% 13.75% 13.75%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 33,625,000                    
Total investments at fair value [1],[4],[5],[6] $ 33,394,000                    
Percentage of Net Assets [1],[4],[6] 2.20%   2.20% 2.20% 2.20% 2.20%          
Investment, Identifier [Axis]: Debt Investments Communications IntelePeer Holdings, Inc. First-lien loan ($34,677 par, due 12/2024) Initial Acquisition date 12/2/2019 Reference Rate and Spread L + 8.25% Interest Rate 12.63%                      
Investment, par [1],[4]   $ 34,677,000                  
Investment due date [1],[4]   2024-12                  
Initial Acquisition Date [1]   Dec. 02, 2019                  
Reference Rate [1]   8.25%         8.25% 8.25% 8.25% 8.25%  
Interest Rate [1]   12.63%         12.63% 12.63% 12.63% 12.63%  
Investments at amortized cost [1],[3],[16]   $ 34,633,000                  
Total investments at fair value [1],[2]   $ 33,983,000                  
Percentage of Net Assets [1]   2.50%         2.50% 2.50% 2.50% 2.50%  
Investment, Identifier [Axis]: Debt Investments Education                      
Investments at amortized cost [1],[3] $ 181,581,000 [2] $ 156,892,000 [16]                  
Total investments at fair value [1] $ 166,299,000 [5] $ 152,403,000 [2]                  
Percentage of Net Assets [1] 11.20% 11.30% 11.20% 11.20% 11.20% 11.20% 11.30% 11.30% 11.30% 11.30%  
Investment, Identifier [Axis]: Debt Investments Education Astra Acquisition Corp. Second-lien loan ($43,479 par, due 10/2029) Initial Acquisition Date 10/22/2021 Reference Rate and Spread SOFR + 9.14% Interest Rate 14.48%                      
Investment, par [1],[4] $ 43,479,000                    
Investment due date [1],[4] 2029-10                    
Initial Acquisition Date [1],[4] Oct. 22, 2021                    
Reference Rate [1],[4] 9.14%   9.14% 9.14% 9.14% 9.14%          
Interest Rate [1],[4] 14.48%   14.48% 14.48% 14.48% 14.48%          
Investments at amortized cost [1],[2],[3],[4] $ 42,814,000                    
Total investments at fair value [1],[4],[5] $ 27,174,000                    
Percentage of Net Assets [1],[4] 1.80%   1.80% 1.80% 1.80% 1.80%          
Investment, Identifier [Axis]: Debt Investments Education Astra Acquisition Corp. Second-lien loan ($43,479 par, due 10/2029) Initial Acquisition Date 10/25/2021 Reference Rate and Spread L + 8.88% Interest Rate 13.26%                      
Investment, par [1],[4]   $ 43,479,000                  
Investment due date [1],[4]   2029-10                  
Initial Acquisition Date [1],[4]   Oct. 25, 2021                  
Reference Rate [1],[4]   8.88%         8.88% 8.88% 8.88% 8.88%  
Interest Rate [1],[4]   13.26%         13.26% 13.26% 13.26% 13.26%  
Investments at amortized cost [1],[3],[4],[16]   $ 42,743,000                  
Total investments at fair value [1],[2],[4]   $ 40,762,000                  
Percentage of Net Assets [1],[4]   3.00%         3.00% 3.00% 3.00% 3.00%  
Investment, Identifier [Axis]: Debt Investments Education Destiny Solutions Parent Holding Company First-lien loan ($59,550 par, due 6/2026) Initial Acquisition Date 6/8/2021 Reference Rate and Spread SOFR + 5.85% Interest Rate 11.21%                      
Investment, par [1],[4],[6] $ 59,550,000                    
Investment due date [1],[4],[6] 2026-06                    
Initial Acquisition Date [1],[4],[6] Jun. 08, 2021                    
Reference Rate [1],[4],[6] 5.85%   5.85% 5.85% 5.85% 5.85%          
Interest Rate [1],[4],[6] 11.21%   11.21% 11.21% 11.21% 11.21%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 58,858,000                    
Total investments at fair value [1],[4],[5],[6] $ 59,252,000                    
Percentage of Net Assets [1],[4],[6] 4.00%   4.00% 4.00% 4.00% 4.00%          
Investment, Identifier [Axis]: Debt Investments Education Destiny Solutions Parent Holding Company First-lien loan ($60,000 par, due 6/2026) Initial Acquisition Date 6/8/2021 Reference Rate and Spread L + 5.75% Interest Rate 10.13%                      
Investment, par [1],[4],[6]   $ 60,000,000                  
Investment due date [1],[4],[6]   2026-06                  
Initial Acquisition Date [1],[4],[6]   Jun. 08, 2021                  
Reference Rate [1],[4],[6]   5.75%         5.75% 5.75% 5.75% 5.75%  
Interest Rate [1],[4],[6]   10.13%         10.13% 10.13% 10.13% 10.13%  
Investments at amortized cost [1],[3],[4],[6],[16]   $ 59,046,000                  
Total investments at fair value [1],[2],[4],[6]   $ 58,350,000                  
Percentage of Net Assets [1],[4],[6]   4.30%         4.30% 4.30% 4.30% 4.30%  
Investment, Identifier [Axis]: Debt Investments Education EMS Linq, Inc. First-lien loan ($56,216 par, due 12/2027) Initial Acquisition Date 12/22/2021 Reference Rate and Spread L + 6.25% Interest Rate 10.63%                      
Investment, par [1],[4]   $ 56,216,000                  
Investment due date [1],[4]   2027-12                  
Initial Acquisition Date [1],[4]   Dec. 22, 2021                  
Reference Rate [1],[4]   6.25%         6.25% 6.25% 6.25% 6.25%  
Interest Rate [1],[4]   10.63%         10.63% 10.63% 10.63% 10.63%  
Investments at amortized cost [1],[3],[4],[16]   $ 55,103,000                  
Total investments at fair value [1],[2],[4]   $ 53,291,000                  
Percentage of Net Assets [1],[4]   4.00%         4.00% 4.00% 4.00% 4.00%  
Investment, Identifier [Axis]: Debt Investments Education EMS Linq, Inc. First-lien loan ($56,216 par, due 12/2027) Initial Acquisition Date 12/22/2021 Reference Rate and Spread SOFR + 6.35% Interest Rate 11.71%                      
Investment, par [1],[4] $ 56,216,000                    
Investment due date [1],[4] 2027-12                    
Initial Acquisition Date [1],[4] Dec. 22, 2021                    
Reference Rate [1],[4] 6.35%   6.35% 6.35% 6.35% 6.35%          
Interest Rate [1],[4] 11.71%   11.71% 11.71% 11.71% 11.71%          
Investments at amortized cost [1],[2],[3],[4] $ 55,288,000                    
Total investments at fair value [1],[4],[5] $ 55,079,000                    
Percentage of Net Assets [1],[4] 3.70%   3.70% 3.70% 3.70% 3.70%          
Investment, Identifier [Axis]: Debt Investments Education Kangaroo Bidco AS First-lien loan ($25,582 par, due 11/2030) Initial Acquisition Date 11/2/2023 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.94%                      
Investment, par [1],[4],[12] $ 25,582,000                    
Investment due date [1],[4],[12] 2030-11                    
Initial Acquisition Date [1],[4],[12] Nov. 02, 2023                    
Reference Rate [1],[4],[12] 7.50%   7.50% 7.50% 7.50% 7.50%          
Interest Rate [1],[4],[12] 12.94%   12.94% 12.94% 12.94% 12.94%          
Investments at amortized cost [1],[2],[3],[4],[12] $ 24,621,000                    
Total investments at fair value [1],[4],[5],[12] $ 24,794,000                    
Percentage of Net Assets [1],[4],[12] 1.70%   1.70% 1.70% 1.70% 1.70%          
Investment, Identifier [Axis]: Debt Investments Financial Services                      
Investments at amortized cost [1],[3] $ 342,885,000 [2] $ 347,964,000 [16]                  
Total investments at fair value [1] $ 349,384,000 [5] $ 347,984,000 [2]                  
Percentage of Net Assets [1] 23.40% 25.80% 23.40% 23.40% 23.40% 23.40% 25.80% 25.80% 25.80% 25.80%  
Investment, Identifier [Axis]: Debt Investments Financial Services Alaska Bidco Oy First-lien loan (EUR 727 par, due 5/2030) Initial Acquisition Date 5/30/2023 Reference Rate and Spread E + 6.25% Interest Rate 10.39%                      
Investment, par | € [1],[4],[12]       € 727              
Investment due date [1],[4],[12] 2030-05                    
Initial Acquisition Date [1],[4],[12] May 30, 2023                    
Reference Rate [1],[4],[12] 6.25%   6.25% 6.25% 6.25% 6.25%          
Interest Rate [1],[4],[12] 10.39%   10.39% 10.39% 10.39% 10.39%          
Investments at amortized cost [1],[2],[3],[4],[12] $ 755,000                    
Total investments at fair value [1],[4],[5],[12] $ 796,000     € 720              
Percentage of Net Assets [1],[4],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Debt Investments Financial Services BCTO Bluebill Buyer, Inc. First-lien loan ($28,640 par, due 7/2029) Initial Acquisition Date 7/20/2023 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.60%                      
Investment, par [1],[4],[6] $ 28,640,000                    
Investment due date [1],[4],[6] 2029-07                    
Initial Acquisition Date [1],[4],[6] Jul. 20, 2023                    
Reference Rate [1],[4],[6] 7.25%   7.25% 7.25% 7.25% 7.25%          
Interest Rate [1],[4],[6] 12.60%   12.60% 12.60% 12.60% 12.60%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 27,635,000                    
Total investments at fair value [1],[4],[5],[6] $ 27,996,000                    
Percentage of Net Assets [1],[4],[6] 1.90%   1.90% 1.90% 1.90% 1.90%          
Investment, Identifier [Axis]: Debt Investments Financial Services BTRS Holdings, Inc. First-lien loan ($1,205 par, due 12/2028) Initial Acquisition Date 12/16/2022 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.63%                      
Investment, par [1] $ 1,205,000                    
Investment due date [1] 2028-12                    
Initial Acquisition Date [1] Dec. 16, 2022                    
Reference Rate [1] 7.25%   7.25% 7.25% 7.25% 7.25%          
Interest Rate [1] 12.63%   12.63% 12.63% 12.63% 12.63%          
Investments at amortized cost [1],[2],[3] $ 1,085,000                    
Total investments at fair value [1],[5] $ 1,217,000                    
Percentage of Net Assets [1] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Debt Investments Financial Services BTRS Holdings, Inc. First-lien loan ($45,180 par, due 12/2028) Initial Acquisition Date 12/16/2022 Reference Rate and Spread SOFR + 8.00% Interest Rate 12.50%                      
Investment, par [1]   $ 45,180,000                  
Investment due date [1]   2028-12                  
Initial Acquisition Date [1]   Dec. 16, 2022                  
Reference Rate [1]   8.00%         8.00% 8.00% 8.00% 8.00%  
Interest Rate [1]   12.50%         12.50% 12.50% 12.50% 12.50%  
Investments at amortized cost [1],[3],[16]   $ 43,688,000                  
Total investments at fair value [1],[2]   $ 43,465,000                  
Percentage of Net Assets [1]   3.20%         3.20% 3.20% 3.20% 3.20%  
Investment, Identifier [Axis]: Debt Investments Financial Services BTRS Holdings, Inc. First-lien loan ($47,051 par, due 12/2028) Initial Acquisition Date 12/16/2022 Reference Rate and Spread SOFR + 8.00% Interest Rate 13.38%                      
Investment, par [1],[4] $ 47,051,000                    
Investment due date [1],[4] 2028-12                    
Initial Acquisition Date [1],[4] Dec. 16, 2022                    
Reference Rate [1],[4] 8.00%   8.00% 8.00% 8.00% 8.00%          
Interest Rate [1],[4] 13.38%   13.38% 13.38% 13.38% 13.38%          
Investments at amortized cost [1],[2],[3],[4] $ 45,931,000                    
Total investments at fair value [1],[4],[5] $ 47,168,000                    
Percentage of Net Assets [1],[4] 3.20%   3.20% 3.20% 3.20% 3.20%          
Investment, Identifier [Axis]: Debt Investments Financial Services Bear OpCo, LLC First-lien loan ($20,169 par, due 10/2024) Initial Acquisition Date 10/10/2019 Reference Rate and Spread SOFR + 7.65% Interest Rate 11.97%                      
Investment, par [1],[4],[6]   $ 20,169,000                  
Investment due date [1],[4],[6]   2024-10                  
Initial Acquisition Date [1],[4],[6]   Oct. 10, 2019                  
Reference Rate [1],[4],[6]   7.65%         7.65% 7.65% 7.65% 7.65%  
Interest Rate [1],[4],[6]   11.97%         11.97% 11.97% 11.97% 11.97%  
Investments at amortized cost [1],[3],[4],[6],[16]   $ 19,953,000                  
Total investments at fair value [1],[2],[4],[6]   $ 20,169,000                  
Percentage of Net Assets [1],[4],[6]   1.50%         1.50% 1.50% 1.50% 1.50%  
Investment, Identifier [Axis]: Debt Investments Financial Services Bear OpCo, LLC First-lien loan ($21,392 par, due 10/2024) Initial Acquisition Date 10/10/2019 Reference Rate and Spread SOFR + 7.65% Interest Rate 13.01%                      
Investment, par [1],[4],[6] $ 21,392,000                    
Investment due date [1],[4],[6] 2024-10                    
Initial Acquisition Date [1],[4],[6] Oct. 10, 2019                    
Reference Rate [1],[4],[6] 7.65%   7.65% 7.65% 7.65% 7.65%          
Interest Rate [1],[4],[6] 13.01%   13.01% 13.01% 13.01% 13.01%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 21,294,000                    
Total investments at fair value [1],[4],[5],[6] $ 21,713,000                    
Percentage of Net Assets [1],[4],[6] 1.50%   1.50% 1.50% 1.50% 1.50%          
Investment, Identifier [Axis]: Debt Investments Financial Services BlueSnap, Inc. First-lien loan ($41,895 par, due 10/2025) Initial Acquisition Date 10/25/2019 Reference Rate and Spread SOFR + 7.15% Interest Rate 12.50%                      
Investment, par [1],[4],[6] $ 41,895,000                    
Investment due date [1],[4],[6] 2025-10                    
Initial Acquisition Date [1],[4],[6] Oct. 25, 2019                    
Reference Rate [1],[4],[6] 7.15%   7.15% 7.15% 7.15% 7.15%          
Interest Rate [1],[4],[6] 12.50%   12.50% 12.50% 12.50% 12.50%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 41,516,000                    
Total investments at fair value [1],[4],[5],[6] $ 42,117,000                    
Percentage of Net Assets [1],[4],[6] 2.80%   2.80% 2.80% 2.80% 2.80%          
Investment, Identifier [Axis]: Debt Investments Financial Services BlueSnap, Inc. First-lien loan ($42,000 par, due 10/2024) Initial Acquisition Date 10/25/2019 Reference Rate and Spread L + 6.75% Interest Rate 11.48%                      
Investment, par [1],[4],[6]   $ 42,000,000                  
Investment due date [1],[4],[6]   2024-10                  
Initial Acquisition Date [1],[4],[6]   Oct. 25, 2019                  
Reference Rate [1],[4],[6]   6.75%         6.75% 6.75% 6.75% 6.75%  
Interest Rate [1],[4],[6]   11.48%         11.48% 11.48% 11.48% 11.48%  
Investments at amortized cost [1],[3],[4],[6],[16]   $ 41,646,000                  
Total investments at fair value [1],[2],[4],[6]   $ 41,889,000                  
Percentage of Net Assets [1],[4],[6]   3.10%         3.10% 3.10% 3.10% 3.10%  
Investment, Identifier [Axis]: Debt Investments Financial Services CLGF Holdco 2, LLC First-lien loan ($3,916 par, due 11/2027) Initial Acquisition Date 11/7/2023 Reference Rate and Spread SOFR + 8.50% Interest Rate 13.85%                      
Investment, par [1],[4] $ 3,916,000                    
Investment due date [1],[4],[12] 2027-11                    
Initial Acquisition Date [1],[4] Nov. 07, 2023                    
Reference Rate [1],[4] 8.50%   8.50% 8.50% 8.50% 8.50%          
Interest Rate [1],[4] 13.85%   13.85% 13.85% 13.85% 13.85%          
Investments at amortized cost [1],[2],[3],[4] $ 3,845,000                    
Total investments at fair value [1],[4],[5] $ 3,867,000                    
Percentage of Net Assets [1],[4] 0.30%   0.30% 0.30% 0.30% 0.30%          
Investment, Identifier [Axis]: Debt Investments Financial Services CLGF Holdco 2, LLC Second-lien loan ($3,357 par, due 11/2028) Initial Acquisition Date 11/7/2023 Reference Rate and Spread SOFR + 12.00% Interest Rate 17.35%                      
Investment, par [1],[4] $ 3,357,000                    
Investment due date [1],[4],[12] 2028-11                    
Initial Acquisition Date [1],[4] Nov. 07, 2023                    
Reference Rate [1],[4] 12.00%   12.00% 12.00% 12.00% 12.00%          
Interest Rate [1],[4] 17.35%   17.35% 17.35% 17.35% 17.35%          
Investments at amortized cost [1],[2],[3],[4] $ 3,116,000                    
Total investments at fair value [1],[4],[5] $ 3,164,000                    
Percentage of Net Assets [1],[4] 0.20%   0.20% 0.20% 0.20% 0.20%          
Investment, Identifier [Axis]: Debt Investments Financial Services Fullsteam Operations LLC First-lien loan ($29,663 par, due 11/2029) Initial Acquisition Date 11/27/2023 Reference Rate and Spread SOFR + 8.40% Interest Rate 13.78%                      
Investment, par [1],[4] $ 29,663,000                    
Investment due date [1],[4] 2029-11                    
Initial Acquisition Date [1],[4] Nov. 27, 2023                    
Reference Rate [1],[4] 8.40%   8.40% 8.40% 8.40% 8.40%          
Interest Rate [1],[4] 13.78%   13.78% 13.78% 13.78% 13.78%          
Investments at amortized cost [1],[2],[3],[4] $ 28,611,000                    
Total investments at fair value [1],[4],[5] $ 29,049,000                    
Percentage of Net Assets [1],[4] 1.90%   1.90% 1.90% 1.90% 1.90%          
Investment, Identifier [Axis]: Debt Investments Financial Services G Treasury SS, LLC First-lien loan ($65,859 par, due 4/2024) Initial Acquisition Date 4/9/2018 Reference Rate and Spread SOFR + 8.40% Interest Rate 12.94%                      
Investment, par [1],[4],[6]   $ 65,859,000                  
Investment due date [1],[4],[6]   2024-04                  
Initial Acquisition Date [1],[4],[6]   Apr. 09, 2018                  
Reference Rate [1],[4],[6]   8.40%         8.40% 8.40% 8.40% 8.40%  
Interest Rate [1],[4],[6]   12.94%         12.94% 12.94% 12.94% 12.94%  
Investments at amortized cost [1],[3],[4],[6],[16]   $ 65,709,000                  
Total investments at fair value [1],[2],[4],[6]   $ 65,859,000                  
Percentage of Net Assets [1],[4],[6]   4.90%         4.90% 4.90% 4.90% 4.90%  
Investment, Identifier [Axis]: Debt Investments Financial Services Ibis Intermediate Co. First-lien loan ($1,201 par, due 5/2027) Initial Acquisition Date 5/28/2021 Reference Rate and Spread SOFR + 4.65% Interest Rate 10.04%                      
Investment, par [1],[4],[6] $ 1,201,000                    
Investment due date [1],[4],[6] 2027-05                    
Initial Acquisition Date [1],[4],[6] May 28, 2021                    
Reference Rate [1],[4],[6] 4.65%   4.65% 4.65% 4.65% 4.65%          
Interest Rate [1],[4],[6] 10.04%   10.04% 10.04% 10.04% 10.04%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 1,066,000                    
Total investments at fair value [1],[4],[5],[6] $ 1,257,000                    
Percentage of Net Assets [1],[4],[6] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Debt Investments Financial Services Ibis Intermediate Co. First-lien loan ($1,526 par, due 5/2027) Initial Acquisition Date 5/28/2021 Reference Rate and Spread L + 5.00% Interest Rate 9.73%                      
Investment, par [1],[4],[6]   $ 1,526,000                  
Investment due date [1],[4],[6]   2027-05                  
Initial Acquisition Date [1],[4],[6]   May 28, 2021                  
Reference Rate [1],[4],[6]   5.00%         5.00% 5.00% 5.00% 5.00%  
Interest Rate [1],[4],[6]   9.73%         9.73% 9.73% 9.73% 9.73%  
Investments at amortized cost [1],[3],[4],[6],[16]   $ 1,416,000                  
Total investments at fair value [1],[2],[4],[6]   $ 1,565,000                  
Percentage of Net Assets [1],[4],[6]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Debt Investments Financial Services Ibis US Blocker Co. First-lien loan ($13,957 par, due 5/2028) Initial Acquisition Date 5/28/2021 Reference Rate and Spread L + 8.25% Interest Rate 12.98% PIK                      
Investment, par [1],[4]   $ 13,957,000                  
Investment due date [1],[4]   2028-05                  
Initial Acquisition Date [1],[4]   May 28, 2021                  
Reference Rate [1],[4]   8.25%         8.25% 8.25% 8.25% 8.25%  
Interest Rate [1],[4]   12.98%         12.98% 12.98% 12.98% 12.98%  
Investments at amortized cost [1],[3],[4],[16]   $ 13,713,000                  
Total investments at fair value [1],[2],[4]   $ 13,643,000                  
Percentage of Net Assets [1],[4]   1.00%         1.00% 1.00% 1.00% 1.00%  
Investment, Identifier [Axis]: Debt Investments Financial Services Ibis US Blocker Co. First-lien loan ($15,958 par, due 5/2028) Initial Acquisition Date 5/28/2021 Reference Rate and Spread SOFR + 8.40% Interest Rate 13.79% (PIK)                      
Investment, par [1],[4] $ 15,958,000                    
Investment due date [1],[4] 2028-05                    
Initial Acquisition Date [1],[4] May 28, 2021                    
Reference Rate [1],[4] 8.40%   8.40% 8.40% 8.40% 8.40%          
Interest Rate, PIK [1],[4] 13.79%   13.79% 13.79% 13.79% 13.79%          
Investments at amortized cost [1],[2],[3],[4] $ 15,743,000                    
Total investments at fair value [1],[4],[5] $ 15,838,000                    
Percentage of Net Assets [1],[4] 1.10%   1.10% 1.10% 1.10% 1.10%          
Investment, Identifier [Axis]: Debt Investments Financial Services Jonas Collections and Recovery, Inc. First-lien loan ($19,125 par, due 6/2026) Initial Acquisition Date 6/21/2021 Reference Rate and Spread L + 5.25% Interest Rate 10.40%                      
Investment, par [1],[4],[6]   $ 19,125,000                  
Investment due date [1],[4],[6]   2026-06                  
Initial Acquisition Date [1],[4],[6]   Jun. 21, 2021                  
Reference Rate [1],[4],[6]   5.25%         5.25% 5.25% 5.25% 5.25%  
Interest Rate [1],[4],[6]   10.40%         10.40% 10.40% 10.40% 10.40%  
Investments at amortized cost [1],[3],[4],[6],[16]   $ 18,832,000                  
Total investments at fair value [1],[2],[4],[6]   $ 18,790,000                  
Percentage of Net Assets [1],[4],[6]   1.40%         1.40% 1.40% 1.40% 1.40%  
Investment, Identifier [Axis]: Debt Investments Financial Services Kyriba Corp. First-lien loan ($19,051 par, due 4/2025) Initial Acquisition Date 4/9/2019 Reference Rate and Spread L + 9.00% Interest Rate 13.73% (incl. 9.00% PIK)                      
Investment, par [1],[4]   $ 19,051,000                  
Investment due date [1],[4]   2025-04                  
Initial Acquisition Date [1],[4]   Apr. 09, 2019                  
Reference Rate [1],[4]   9.00%         9.00% 9.00% 9.00% 9.00%  
Interest Rate [1],[4]   13.73%         13.73% 13.73% 13.73% 13.73%  
Interest Rate, PIK [1],[4]   9.00%         9.00% 9.00% 9.00% 9.00%  
Investments at amortized cost [1],[3],[4],[16]   $ 18,870,000                  
Total investments at fair value [1],[2],[4]   $ 19,147,000                  
Percentage of Net Assets [1],[4]   1.40%         1.40% 1.40% 1.40% 1.40%  
Investment, Identifier [Axis]: Debt Investments Financial Services Kyriba Corp. First-lien loan ($35,634 par, due 4/2028) Initial Acquisition Date 12/21/2023 Reference Rate and Spread SOFR + 8.50% Interest Rate 13.87% (incl. 8.50% PIK)                      
Investment, par [1],[4] $ 35,634,000                    
Investment due date [1],[4] 2028-04                    
Initial Acquisition Date [1],[4] Dec. 21, 2023                    
Reference Rate [1],[4] 8.50%   8.50% 8.50% 8.50% 8.50%          
Interest Rate [1],[4] 13.87%   13.87% 13.87% 13.87% 13.87%          
Interest Rate, PIK [1],[4] 8.50%   8.50% 8.50% 8.50% 8.50%          
Investments at amortized cost [1],[2],[3],[4] $ 34,875,000                    
Total investments at fair value [1],[4],[5] $ 34,871,000                    
Percentage of Net Assets [1],[4] 2.30%   2.30% 2.30% 2.30% 2.30%          
Investment, Identifier [Axis]: Debt Investments Financial Services Kyriba Corp. First-lien loan (EUR 10,924 par, due 4/2028) Initial Acquisition Date 12/21/2023 Reference Rate and Spread E + 8.50% Interest Rate 12.42% (incl. 8.50% PIK)                      
Investment, par | € [1],[4],[12]       € 10,924              
Investment due date [1],[4],[12] 2028-04                    
Initial Acquisition Date [1],[4] Dec. 21, 2023                    
Reference Rate [1],[4] 8.50%   8.50% 8.50% 8.50% 8.50%          
Interest Rate [1],[4] 12.42%   12.42% 12.42% 12.42% 12.42%          
Interest Rate, PIK [1],[4] 8.50%   8.50% 8.50% 8.50% 8.50%          
Investments at amortized cost [1],[2],[3],[4] $ 11,766,000                    
Total investments at fair value [1],[4],[5] $ 11,825,000     € 10,705              
Percentage of Net Assets [1],[4] 0.80%   0.80% 0.80% 0.80% 0.80%          
Investment, Identifier [Axis]: Debt Investments Financial Services Kyriba Corp. First-lien loan (EUR 9,924 par, due 4/2025) Initial Acquisition Date 4/9/2019 Reference Rate and Spread E + 9.00% Interest Rate 11.20% (incl. 9.00% PIK)                      
Investment, par | € [1],[4]               € 9,924      
Investment due date [1],[4]   2025-04                  
Initial Acquisition Date [1],[4]   Apr. 09, 2019                  
Reference Rate [1],[4]   9.00%         9.00% 9.00% 9.00% 9.00%  
Interest Rate [1],[4]   11.20%         11.20% 11.20% 11.20% 11.20%  
Interest Rate, PIK [1],[4]   9.00%         9.00% 9.00% 9.00% 9.00%  
Investments at amortized cost [1],[3],[4],[16]   $ 11,004,000                  
Total investments at fair value [1],[2],[4]   $ 10,645,000           € 9,974      
Percentage of Net Assets [1],[4]   0.80%         0.80% 0.80% 0.80% 0.80%  
Investment, Identifier [Axis]: Debt Investments Financial Services Kyriba Corp. First-lien revolving loan ($1,411 par, due 4/2025) Initial Acquisition Date 4/9/2019 Reference Rate and Spread L + 7.25% Interest Rate 11.98%                      
Investment, par [1],[4]   $ 1,411,000                  
Investment due date [1],[4]   2025-04                  
Initial Acquisition Date [1],[4]   Apr. 09, 2019                  
Reference Rate [1],[4]   7.25%         7.25% 7.25% 7.25% 7.25%  
Interest Rate [1],[4]   11.98%         11.98% 11.98% 11.98% 11.98%  
Investments at amortized cost [1],[3],[4],[16]   $ 1,394,000                  
Total investments at fair value [1],[2],[4]   $ 1,418,000                  
Percentage of Net Assets [1],[4]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Debt Investments Financial Services Kyriba Corp. First-lien revolving loan (EUR 336 par, due 4/2025) Initial Acquisition Date 4/9/2019 Reference Rate and Spread E + 7.25% Interest Rate 9.45%                      
Investment, par | € [1],[4]               € 336      
Investment due date [1],[4]   2025-04                  
Initial Acquisition Date [1],[4]   Apr. 09, 2019                  
Reference Rate [1],[4]   7.25%         7.25% 7.25% 7.25% 7.25%  
Interest Rate [1],[4]   9.45%         9.45% 9.45% 9.45% 9.45%  
Investments at amortized cost [1],[3],[4],[16]   $ 372,000                  
Total investments at fair value [1],[2],[4]   $ 358,000           € 336      
Percentage of Net Assets [1],[4]   0.00%         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Debt Investments Financial Services Passport Labs, Inc. Convertible Promissory Note A ($1,086 par, due 8/2026) Initial Acquisition Date 3/2/2023 Reference Rate and Spread 8.00% Interest Rate 8.00%                      
Investment, par [1] $ 1,086,000                    
Investment due date [1] 2026-08                    
Initial Acquisition Date [1] Mar. 02, 2023                    
Reference Rate [1] 8.00%   8.00% 8.00% 8.00% 8.00%          
Interest Rate [1] 8.00%   8.00% 8.00% 8.00% 8.00%          
Investments at amortized cost [1],[2],[3] $ 1,086,000                    
Total investments at fair value [1],[5] $ 2,025,000                    
Percentage of Net Assets [1] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Debt Investments Financial Services Passport Labs, Inc. First-lien loan ($23,390 par, due 4/2026) Initial Acquisition Date 4/28/2021 Reference Rate and Spread L + 8.25% Interest Rate 12.58% (incl. 4.125% PIK)                      
Investment, par [1],[4]   $ 23,390,000                  
Investment due date [1],[4]   2026-04                  
Initial Acquisition Date [1],[4]   Apr. 28, 2021                  
Reference Rate [1],[4]   8.25%         8.25% 8.25% 8.25% 8.25%  
Interest Rate [1],[4]   12.58%         12.58% 12.58% 12.58% 12.58%  
Interest Rate, PIK [1],[4]   4.125%         4.125% 4.125% 4.125% 4.125%  
Investments at amortized cost [1],[3],[4],[16]   $ 23,169,000                  
Total investments at fair value [1],[2],[4]   $ 22,783,000                  
Percentage of Net Assets [1],[4]   1.70%         1.70% 1.70% 1.70% 1.70%  
Investment, Identifier [Axis]: Debt Investments Financial Services Passport Labs, Inc. First-lien loan ($24,603 par, due 4/2026) Initial Acquisition Date 4/28/2021 Reference Rate and Spread SOFR + 8.40% Interest Rate 13.75%                      
Investment, par [1],[4] $ 24,603,000                    
Investment due date [1] 2026-04                    
Initial Acquisition Date [1] Apr. 28, 2021                    
Reference Rate [1] 8.40%   8.40% 8.40% 8.40% 8.40%          
Interest Rate [1] 13.75%   13.75% 13.75% 13.75% 13.75%          
Investments at amortized cost [1],[2],[3] $ 24,444,000                    
Total investments at fair value [1],[5] $ 24,555,000                    
Percentage of Net Assets [1] 1.60%   1.60% 1.60% 1.60% 1.60%          
Investment, Identifier [Axis]: Debt Investments Financial Services Ping Identity Holding Corp. First-lien loan ($22,727 par, due 10/2029) Initial Acquisition Date 10/17/2022 Reference Rate and Spread SOFR + 7.00% Interest Rate 11.32%                      
Investment, par [1],[4]   $ 22,727,000                  
Investment due date [1],[4]   2029-10                  
Initial Acquisition Date [1],[4]   Oct. 17, 2022                  
Reference Rate [1],[4]   7.00%         7.00% 7.00% 7.00% 7.00%  
Interest Rate [1],[4]   11.32%         11.32% 11.32% 11.32% 11.32%  
Investments at amortized cost [1],[3],[4],[16]   $ 22,116,000                  
Total investments at fair value [1],[2],[4]   $ 21,977,000                  
Percentage of Net Assets [1],[4]   1.60%         1.60% 1.60% 1.60% 1.60%  
Investment, Identifier [Axis]: Debt Investments Financial Services Ping Identity Holding Corp. First-lien loan ($22,727 par, due 10/2029) Initial Acquisition Date 10/17/2022 Reference Rate and Spread SOFR + 7.00% Interest Rate 12.36%                      
Investment, par [1],[4] $ 22,727,000                    
Investment due date [1],[4] 2029-10                    
Initial Acquisition Date [1],[4] Oct. 17, 2022                    
Reference Rate [1],[4] 7.00%   7.00% 7.00% 7.00% 7.00%          
Interest Rate [1],[4] 12.36%   12.36% 12.36% 12.36% 12.36%          
Investments at amortized cost [1],[2],[3],[4] $ 22,183,000                    
Total investments at fair value [1],[4],[5] $ 23,165,000                    
Percentage of Net Assets [1],[4] 1.50%   1.50% 1.50% 1.50% 1.50%          
Investment, Identifier [Axis]: Debt Investments Financial Services PrimeRevenue, Inc. First-lien loan ($22,507 par, due 12/2023) Initial Acquisition Date 12/31/2018 Reference Rate and Spread L + 7.00% Interest Rate 11.38%                      
Investment, par [1],[4]   $ 22,507,000                  
Investment due date [1],[4]   2023-12                  
Initial Acquisition Date [1],[4]   Dec. 31, 2018                  
Reference Rate [1],[4]   7.00%         7.00% 7.00% 7.00% 7.00%  
Interest Rate [1],[4]   11.38%         11.38% 11.38% 11.38% 11.38%  
Investments at amortized cost [1],[3],[4],[16]   $ 22,434,000                  
Total investments at fair value [1],[2],[4]   $ 22,507,000                  
Percentage of Net Assets [1],[4]   1.70%         1.70% 1.70% 1.70% 1.70%  
Investment, Identifier [Axis]: Debt Investments Financial Services PrimeRevenue, Inc. First-lien loan ($9,007 par, due 12/2024) Initial Acquisition Date 12/31/2018 Reference Rate and Spread SOFR + 7.10% Interest Rate 12.46%                      
Investment, par [1],[4] $ 9,007,000                    
Investment due date [1],[4] 2024-12                    
Initial Acquisition Date [1],[4] Dec. 31, 2018                    
Reference Rate [1],[4] 7.10%   7.10% 7.10% 7.10% 7.10%          
Interest Rate [1],[4] 12.46%   12.46% 12.46% 12.46% 12.46%          
Investments at amortized cost [1],[2],[3],[4] $ 8,996,000                    
Total investments at fair value [1],[4],[5] $ 9,083,000                    
Percentage of Net Assets [1],[4] 0.60%   0.60% 0.60% 0.60% 0.60%          
Investment, Identifier [Axis]: Debt Investments Financial Services TradingScreen, Inc. First-lien loan ($44,663 par, due 4/2027) Initial Acquisition Date 4/30/2021 Reference Rate and Spread L + 6.25% Interest Rate 10.66%                      
Investment, par [1],[4],[6]   $ 44,663,000                  
Investment due date [1],[4],[6]   2027-04                  
Initial Acquisition Date [1],[4],[6]   Apr. 30, 2021                  
Reference Rate [1],[4],[6]   6.25%         6.25% 6.25% 6.25% 6.25%  
Interest Rate [1],[4],[6]   10.66%         10.66% 10.66% 10.66% 10.66%  
Investments at amortized cost [1],[3],[4],[6],[16]   $ 43,648,000                  
Total investments at fair value [1],[2],[4],[6]   $ 43,769,000                  
Percentage of Net Assets [1],[4],[6]   3.30%         3.30% 3.30% 3.30% 3.30%  
Investment, Identifier [Axis]: Debt Investments Financial Services TradingScreen, Inc. First-lien loan ($47,198 par, due 4/2027) Initial Acquisition Date 4/30/2021 Reference Rate and Spread SOFR + 6.35% Interest Rate 11.73%                      
Investment, par [1],[4],[6] $ 47,198,000                    
Investment due date [1],[4],[6] 2027-04                    
Initial Acquisition Date [1],[4],[6] Apr. 30, 2021                    
Reference Rate [1],[4],[6] 6.35%   6.35% 6.35% 6.35% 6.35%          
Interest Rate [1],[4],[6] 11.73%   11.73% 11.73% 11.73% 11.73%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 46,360,000                    
Total investments at fair value [1],[4],[5],[6] $ 47,080,000                    
Percentage of Net Assets [1],[4],[6] 3.10%   3.10% 3.10% 3.10% 3.10%          
Investment, Identifier [Axis]: Debt Investments Financial Services Volante Technologies, Inc. First-lien loan ($2,604 par, due 9/2028) Initial Acquisition Date 9/29/2023 Reference Rate and Spread 16.50% Interest Rate 16.50% PIK                      
Investment, par [1] $ 2,604,000                    
Investment due date [1] 2028-09                    
Initial Acquisition Date [1] Sep. 29, 2023                    
Reference Rate [1] 16.50%   16.50% 16.50% 16.50% 16.50%          
Interest Rate, PIK [1] 16.50%   16.50% 16.50% 16.50% 16.50%          
Investments at amortized cost [1],[2],[3] $ 2,578,000                    
Total investments at fair value [1],[5] $ 2,598,000                    
Percentage of Net Assets [1] 0.20%   0.20% 0.20% 0.20% 0.20%          
Investment, Identifier [Axis]: Debt Investments Healthcare                      
Investments at amortized cost [3] $ 255,200,000 [1],[2],[4] $ 250,839,000 [7],[8],[9],[10],[14]                  
Total investments at fair value $ 260,633,000 [1],[4],[5] $ 254,602,000 [7],[8],[11],[14]                  
Percentage of Net Assets 17.50% [1],[4] 19.00% [7],[8],[14] 17.50% [1],[4] 17.50% [1],[4] 17.50% [1],[4] 17.50% [1],[4] 19.00% [7],[8],[14] 19.00% [7],[8],[14] 19.00% [7],[8],[14] 19.00% [7],[8],[14]  
Investment, Identifier [Axis]: Debt Investments Healthcare BCTO Ace Purchaser, Inc. First-lien loan ($63,565 par, due 11/2026) Initial Acquisition Date 11/23/2020 Reference Rate and Spread SOFR + 7.70% Interest Rate 12.10 %                      
Investment, par [7],[8],[14]   $ 63,565,000                  
Investment due date [7],[8],[14]   2026-11                  
Initial Acquisition Date [7],[8],[14]   Nov. 23, 2020                  
Reference Rate [7],[8],[14]   7.70%         7.70% 7.70% 7.70% 7.70%  
Interest Rate [7],[8],[14]   12.10%         12.10% 12.10% 12.10% 12.10%  
Investments at amortized cost [3],[7],[8],[9],[10],[14]   $ 62,440,000                  
Total investments at fair value [7],[8],[11],[14]   $ 62,930,000                  
Percentage of Net Assets [7],[8],[14]   4.70%         4.70% 4.70% 4.70% 4.70%  
Investment, Identifier [Axis]: Debt Investments Healthcare BCTO Ace Purchaser, Inc. First-lien loan ($69,231 par, due 11/2027) Initial Acquisition Date 11/23/2020 Reference Rate and Spread SOFR + 7.45% Interest Rate 12.84%                      
Investment, par [1],[4] $ 69,231,000                    
Investment due date [1],[4] 2027-11                    
Initial Acquisition Date [1],[4] Nov. 23, 2020                    
Reference Rate [1],[4] 7.45%   7.45% 7.45% 7.45% 7.45%          
Interest Rate [1],[4] 12.84%   12.84% 12.84% 12.84% 12.84%          
Investments at amortized cost [1],[2],[3],[4] $ 68,325,000                    
Total investments at fair value [1],[4],[5] $ 69,746,000                    
Percentage of Net Assets [1],[4] 4.70%   4.70% 4.70% 4.70% 4.70%          
Investment, Identifier [Axis]: Debt Investments Healthcare BCTO Ace Purchaser, Inc. Second-lien loan ($5,623 par, due 1/2030) Initial Acquisition Date 1/23/2023 Reference Rate and Spread SOFR + 10.70% Interest Rate 16.10%                      
Investment, par [1],[4] $ 5,623,000                    
Investment due date [1],[4] 2030-01                    
Initial Acquisition Date [1],[4] Jan. 23, 2023                    
Reference Rate [1],[4] 10.70%   10.70% 10.70% 10.70% 10.70%          
Interest Rate [1],[4] 16.10%   16.10% 16.10% 16.10% 16.10%          
Investments at amortized cost [1],[2],[3],[4] $ 5,493,000                    
Total investments at fair value [1],[4],[5] $ 5,637,000                    
Percentage of Net Assets [1],[4] 0.40%   0.40% 0.40% 0.40% 0.40%          
Investment, Identifier [Axis]: Debt Investments Healthcare Caris Life Sciences, Inc. Convertible note ($2,602 par, due 9/2023) Initial Acquisition Date 9/21/2018 Reference Rate and Spread 8.00% Interest Rate 8.00%                      
Investment, par [7],[8],[14]   $ 2,602,000                  
Investment due date [7],[8],[14]   2023-09                  
Initial Acquisition Date [7],[8],[14]   Sep. 21, 2018                  
Reference Rate [7],[8],[14]   8.00%         8.00% 8.00% 8.00% 8.00%  
Interest Rate [7],[8],[14]   8.00%         8.00% 8.00% 8.00% 8.00%  
Investments at amortized cost [3],[7],[8],[9],[10],[14]   $ 2,602,000                  
Total investments at fair value [7],[8],[11],[14]   $ 5,848,000                  
Percentage of Net Assets [7],[8],[14]   0.40%         0.40% 0.40% 0.40% 0.40%  
Investment, Identifier [Axis]: Debt Investments Healthcare Caris Life Sciences, Inc. First-lien loan ($3,750 par, due 4/2025) Initial Acquisition Date 4/2/2020 Reference Rate and Spread 11.30% Interest Rate 11.30%                      
Investment, par [7],[8],[14]   $ 3,750,000                  
Investment due date [7],[8],[14]   2025-04                  
Initial Acquisition Date [7],[8],[14]   Apr. 02, 2020                  
Reference Rate [7],[8],[14]   11.30%         11.30% 11.30% 11.30% 11.30%  
Interest Rate [7],[8],[14]   11.30%         11.30% 11.30% 11.30% 11.30%  
Investments at amortized cost [3],[7],[8],[9],[10],[14]   $ 3,601,000                  
Total investments at fair value [7],[8],[11],[14]   $ 3,900,000                  
Percentage of Net Assets [7],[8],[14]   0.30%         0.30% 0.30% 0.30% 0.30%  
Investment, Identifier [Axis]: Debt Investments Healthcare Caris Life Sciences, Inc. First-lien loan ($5,000 par, due 9/2023) Initial Acquisition Date 9/21/2018 Reference Rate and Spread 11.30% Interest Rate 11.30%                      
Investment, par [7],[8],[14]   $ 5,000,000                  
Investment due date [7],[8],[14]   2023-09                  
Initial Acquisition Date [7],[8],[14]   Sep. 21, 2018                  
Reference Rate [7],[8],[14]   11.30%         11.30% 11.30% 11.30% 11.30%  
Interest Rate [7],[8],[14]   11.30%         11.30% 11.30% 11.30% 11.30%  
Investments at amortized cost [3],[7],[8],[9],[10],[14]   $ 4,967,000                  
Total investments at fair value [7],[8],[11],[14]   $ 5,100,000                  
Percentage of Net Assets [7],[8],[14]   0.40%         0.40% 0.40% 0.40% 0.40%  
Investment, Identifier [Axis]: Debt Investments Healthcare Edge Bidco B.V First-lien loan (EUR 3,850 par, due 2/2029) Initial Acquisition Date 2/24/2023 Reference Rate and Spread E + 7.00% Interest Rate 16.10% (incl. 3.25% PIK)                      
Investment, par | € [1],[4],[6],[12]       € 3,850              
Investment due date [1],[4],[6],[12] 2029-02                    
Initial Acquisition Date [1],[4],[6],[12] Feb. 24, 2023                    
Reference Rate [1],[4],[6],[12] 7.00%   7.00% 7.00% 7.00% 7.00%          
Interest Rate [1],[4],[6],[12] 16.10%   16.10% 16.10% 16.10% 16.10%          
Interest Rate, PIK [1],[4],[6],[12] 3.25%   3.25% 3.25% 3.25% 3.25%          
Investments at amortized cost [1],[2],[3],[4],[6],[12] $ 3,951,000                    
Total investments at fair value [1],[4],[5],[6],[12] $ 4,266,000     € 3,862              
Percentage of Net Assets [1],[4],[6],[12] 0.30%   0.30% 0.30% 0.30% 0.30%          
Investment, Identifier [Axis]: Debt Investments Healthcare Homecare Software Solutions, LLC First-lien loan ($65,000 par, due 10/2026) Initial Acquisition Date 10/6/2021 Reference Rate and Spread SOFR + 5.70% Interest Rate 10.02%                      
Investment, par [7],[8],[14]   $ 65,000,000                  
Investment due date [7],[8],[14]   2026-10                  
Initial Acquisition Date [7],[8],[14]   Oct. 06, 2021                  
Reference Rate [7],[8],[14]   5.70%         5.70% 5.70% 5.70% 5.70%  
Interest Rate [7],[8],[14]   10.02%         10.02% 10.02% 10.02% 10.02%  
Investments at amortized cost [3],[7],[8],[9],[10],[14]   $ 63,733,000                  
Total investments at fair value [7],[8],[11],[14]   $ 63,213,000                  
Percentage of Net Assets [7],[8],[14]   4.70%         4.70% 4.70% 4.70% 4.70%  
Investment, Identifier [Axis]: Debt Investments Healthcare Homecare Software Solutions, LLC First-lien loan ($65,000 par, due 10/2026) Initial Acquisition Date 10/6/2021 Reference Rate and Spread SOFR + 5.70% Interest Rate 11.06%                      
Investment, par [1],[4],[6] $ 65,000,000                    
Investment due date [1],[4],[6] 2026-10                    
Initial Acquisition Date [1],[4],[6] Oct. 06, 2021                    
Reference Rate [1],[4],[6] 5.70%   5.70% 5.70% 5.70% 5.70%          
Interest Rate [1],[4],[6] 11.06%   11.06% 11.06% 11.06% 11.06%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 64,017,000                    
Total investments at fair value [1],[4],[5],[6] $ 64,838,000                    
Percentage of Net Assets [1],[4],[6] 4.30%   4.30% 4.30% 4.30% 4.30%          
Investment, Identifier [Axis]: Debt Investments Healthcare Integrated Practice Solutions, Inc. First-lien loan ($46,312 par, due 10/2024) Initial Acquisition Date 6/30/2017 Reference Rate and Spread L + 7.50% Interest Rate 11.89%                      
Investment, par [7],[8],[14]   $ 46,312,000                  
Investment due date [7],[8],[14]   2024-10                  
Initial Acquisition Date [7],[8],[14]   Jun. 30, 2017                  
Reference Rate [7],[8],[14]   7.50%         7.50% 7.50% 7.50% 7.50%  
Interest Rate [7],[8],[14]   11.89%         11.89% 11.89% 11.89% 11.89%  
Investments at amortized cost [3],[7],[8],[9],[10],[14]   $ 45,590,000                  
Total investments at fair value [7],[8],[11],[14]   $ 46,312,000                  
Percentage of Net Assets [7],[8],[14]   3.50%         3.50% 3.50% 3.50% 3.50%  
Investment, Identifier [Axis]: Debt Investments Healthcare Merative L.P. First-lien loan ($70,103 par, due 6/2028) Initial Acquisition Date 6/30/2022 Reference Rate and Spread SOFR + 7.25% Interest Rate 11.84%                      
Investment, par [7],[8],[14]   $ 70,103,000                  
Investment due date [7],[8],[14]   2028-06                  
Initial Acquisition Date [7],[8],[14]   Jun. 30, 2022                  
Reference Rate [7],[8],[14]   7.25%         7.25% 7.25% 7.25% 7.25%  
Interest Rate [7],[8],[14]   11.84%         11.84% 11.84% 11.84% 11.84%  
Investments at amortized cost [3],[7],[8],[9],[10],[14]   $ 67,906,000                  
Total investments at fair value [7],[8],[11],[14]   $ 67,299,000                  
Percentage of Net Assets [7],[8],[14]   5.00%         5.00% 5.00% 5.00% 5.00%  
Investment, Identifier [Axis]: Debt Investments Healthcare Merative L.P. First-lien loan ($70,103 par, due 6/2028) Initial Acquisition Date 6/30/2022 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.60%                      
Investment, par [1],[4],[6] $ 70,103,000                    
Investment due date [1],[4],[6] 2028-06                    
Initial Acquisition Date [1],[4],[6] Jun. 30, 2022                    
Reference Rate [1],[4],[6] 7.25%   7.25% 7.25% 7.25% 7.25%          
Interest Rate [1],[4],[6] 12.60%   12.60% 12.60% 12.60% 12.60%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 68,205,000                    
Total investments at fair value [1],[4],[5],[6] $ 69,753,000                    
Percentage of Net Assets [1],[4],[6] 4.70%   4.70% 4.70% 4.70% 4.70%          
Investment, Identifier [Axis]: Debt Investments Healthcare Raptor US Buyer II Corp. First-lien loan ($15,569 par,due3/2029) Initial Acquisition Date 3/24/2023 Reference Rate and Spread SOFR + 6.75% Interest Rate 12.10%                      
Investment, par [1],[4] $ 15,569,000                    
Investment due date [1],[4] 2029-03                    
Initial Acquisition Date [1],[4] Mar. 24, 2023                    
Reference Rate [1],[4] 6.75%   6.75% 6.75% 6.75% 6.75%          
Interest Rate [1],[4] 12.10%   12.10% 12.10% 12.10% 12.10%          
Investments at amortized cost [1],[2],[3],[4] $ 15,070,000                    
Total investments at fair value [1],[4],[5] $ 15,491,000                    
Percentage of Net Assets [1],[4] 1.00%   1.00% 1.00% 1.00% 1.00%          
Investment, Identifier [Axis]: Debt Investments Healthcare SL Buyer Corp. First-lien loan ($31,475 par, due 7/2029) Initial Acquisition Date 7/7/2023 Reference Rate and Spread SOFR + 7.00% Interest Rate 12.36%                      
Investment, par [1],[4],[6] $ 31,475,000                    
Investment due date [1],[4],[6] 2029-07                    
Initial Acquisition Date [1],[4],[6] Jul. 07, 2023                    
Reference Rate [1],[4],[6] 7.00%   7.00% 7.00% 7.00% 7.00%          
Interest Rate [1],[4],[6] 12.36%   12.36% 12.36% 12.36% 12.36%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 30,139,000                    
Total investments at fair value [1],[4],[5],[6] $ 30,902,000                    
Percentage of Net Assets [1],[4],[6] 2.10%   2.10% 2.10% 2.10% 2.10%          
Investment, Identifier [Axis]: Debt Investments Hotel, Gaming and Leisure                      
Investments at amortized cost [1],[3] $ 116,599,000 [2] $ 101,951,000 [4],[9],[10]                  
Total investments at fair value [1] $ 119,523,000 [5] $ 102,559,000 [4],[11]                  
Percentage of Net Assets [1] 7.90% 7.60% [4] 7.90% 7.90% 7.90% 7.90% 7.60% [4] 7.60% [4] 7.60% [4] 7.60% [4]  
Investment, Identifier [Axis]: Debt Investments Hotel, Gaming and Leisure ASG II, LLC First-lien loan ($58,048 par, due 5/2028) Initial Acquisition Date 5/25/2022 Reference Rate and Spread SOFR + 6.35% Interest Rate 10.67%                      
Investment, par [1],[4],[6]   $ 58,048,000                  
Investment due date [1],[4],[6]   2028-05                  
Initial Acquisition Date [1],[4],[6]   May 25, 2022                  
Reference Rate [1],[4],[6]   6.35%         6.35% 6.35% 6.35% 6.35%  
Interest Rate [1],[4],[6]   10.67%         10.67% 10.67% 10.67% 10.67%  
Investments at amortized cost [1],[3],[4],[6],[9],[10]   $ 56,609,000                  
Total investments at fair value [1],[4],[6],[11]   $ 56,260,000                  
Percentage of Net Assets [1],[4],[6]   4.20%         4.20% 4.20% 4.20% 4.20%  
Investment, Identifier [Axis]: Debt Investments Hotel, Gaming and Leisure ASG II, LLC First-lien loan ($61,609 par, due 5/2028) Initial Acquisition Date 5/25/2022 Reference Rate and Spread SOFR + 6.40% Interest Rate 11.77%                      
Investment, par [1],[4],[6] $ 61,609,000                    
Investment due date [1],[4],[6] 2028-05                    
Initial Acquisition Date [1],[4],[6] May 25, 2022                    
Reference Rate [1],[4],[6] 6.40%   6.40% 6.40% 6.40% 6.40%          
Interest Rate [1],[4],[6] 11.77%   11.77% 11.77% 11.77% 11.77%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 60,383,000                    
Total investments at fair value [1],[4],[5],[6] $ 61,934,000                    
Percentage of Net Assets [1],[4],[6] 4.10%   4.10% 4.10% 4.10% 4.10%          
Investment, Identifier [Axis]: Debt Investments Hotel, Gaming and Leisure IRGSE Holding Corp First-lien loan ($30,261 par, due 6/2023) Initial Acquisition Date 9/29/2015 Reference Rate and Spread L + 9.50% Interest Rate 14.19%                      
Investment, par [1],[4]   $ 30,261,000                  
Investment due date [1],[4]   2023-06                  
Initial Acquisition Date [1],[4]   Sep. 29, 2015                  
Reference Rate [1],[4]   9.50%         9.50% 9.50% 9.50% 9.50%  
Interest Rate [1],[4]   14.19%         14.19% 14.19% 14.19% 14.19%  
Investments at amortized cost [1],[3],[4],[9],[10]   $ 28,595,000                  
Total investments at fair value [1],[4],[11]   $ 29,807,000                  
Percentage of Net Assets [1],[4]   2.20%         2.20% 2.20% 2.20% 2.20%  
Investment, Identifier [Axis]: Debt Investments Hotel, Gaming and Leisure IRGSE Holding Corp First-lien revolving loan ($16,747 par, due 6/2023) Initial Acquisition Date 9/29/2015 Reference Rate and Spread L + 9.50% Interest Rate 14.23%                      
Investment, par [1],[4]   $ 16,747,000                  
Investment due date [1],[4]   2023-06                  
Initial Acquisition Date [1],[4]   Sep. 29, 2015                  
Reference Rate [1],[4]   9.50%         9.50% 9.50% 9.50% 9.50%  
Interest Rate [1],[4]   14.23%         14.23% 14.23% 14.23% 14.23%  
Investments at amortized cost [1],[3],[4],[9],[10]   $ 16,747,000                  
Total investments at fair value [1],[4],[11]   $ 16,492,000                  
Percentage of Net Assets [1],[4]   1.20%         1.20% 1.20% 1.20% 1.20%  
Investment, Identifier [Axis]: Debt Investments Hotel, Gaming and Leisure IRGSE Holding Corp. First-lien loan ($30,261 par, due 6/2024) Initial Acquisition Date 12/21/2018 Reference Rate and Spread SOFR + 9.65% Interest Rate 15.00%                      
Investment, par [1],[4],[17] $ 30,261,000                    
Investment due date [1],[4],[17] 2024-06                    
Initial Acquisition Date [1],[4],[17] Dec. 21, 2018                    
Reference Rate [1],[4],[17] 9.65%   9.65% 9.65% 9.65% 9.65%          
Interest Rate [1],[4],[17] 15.00%   15.00% 15.00% 15.00% 15.00%          
Investments at amortized cost [1],[2],[3],[4],[17] $ 28,594,000                    
Total investments at fair value [1],[4],[5],[17] $ 30,109,000                    
Percentage of Net Assets [1],[4],[17] 2.00%   2.00% 2.00% 2.00% 2.00%          
Investment, Identifier [Axis]: Debt Investments Hotel, Gaming and Leisure IRGSE Holding Corp. First-lien revolving loan ($27,622 par, due 6/2024) Initial Acquisition Date 12/21/2018 Reference Rate and Spread SOFR + 9.65% Interest Rate 15.03%                      
Investment, par [1],[4] $ 27,622,000                    
Investment due date [1],[4] 2024-06                    
Initial Acquisition Date [1],[4] Dec. 21, 2018                    
Reference Rate [1],[4] 9.65%   9.65% 9.65% 9.65% 9.65%          
Interest Rate [1],[4] 15.03%   15.03% 15.03% 15.03% 15.03%          
Investments at amortized cost [1],[2],[3],[4] $ 27,622,000                    
Total investments at fair value [1],[4],[5] $ 27,480,000                    
Percentage of Net Assets [1],[4] 1.80%   1.80% 1.80% 1.80% 1.80%          
Investment, Identifier [Axis]: Debt Investments Hotel, Internet Services                      
Investments at amortized cost [1],[4]   $ 372,372,000                  
Total investments at fair value [1],[4]   $ 369,758,000                  
Percentage of Net Assets [1],[4]   27.50%         27.50% 27.50% 27.50% 27.50%  
Investment, Identifier [Axis]: Debt Investments Hotel, Internet Services EDB Parent, LLC First-lien loan ($56,963 par, due 7/2028) Initial Acquisition Date 7/7/2022 Reference Rate Spread SOFR + 7.00% Interest Rate 11.58%                      
Investment, par [1],[4],[6]   $ 56,963,000                  
Investment due date [1],[4],[6]   2028-07                  
Initial Acquisition Date [1],[4],[6]   Jul. 07, 2022                  
Reference Rate [1],[4],[6]   7.00%         7.00% 7.00% 7.00% 7.00%  
Interest Rate [1],[4],[6]   11.58%         11.58% 11.58% 11.58% 11.58%  
Investments at amortized cost [1],[4],[6]   $ 55,607,000                  
Total investments at fair value [1],[4],[6]   $ 55,539,000                  
Percentage of Net Assets [1],[4],[6]   4.10%         4.10% 4.10% 4.10% 4.10%  
Investment, Identifier [Axis]: Debt Investments Hotel, Internet Services Higher Logic, LLC First-lien loan ($55,820 par, due 1/2025) Initial Acquisition Date 6/18/2018 Reference Rate Spread SOFR + 7.25% Interest Rate 11.83%                      
Investment, par [1],[4],[6]   $ 55,820,000                  
Investment due date [1],[4],[6]   2025-01                  
Initial Acquisition Date [1],[4],[6]   Jun. 18, 2018                  
Reference Rate [1],[4],[6]   7.25%         7.25% 7.25% 7.25% 7.25%  
Interest Rate [1],[4],[6]   11.83%         11.83% 11.83% 11.83% 11.83%  
Investments at amortized cost [1],[4],[6]   $ 55,506,000                  
Total investments at fair value [1],[4],[6]   $ 55,541,000                  
Percentage of Net Assets [1],[4],[6]   4.10%         4.10% 4.10% 4.10% 4.10%  
Investment, Identifier [Axis]: Debt Investments Hotel, Internet Services LeanTaaS Holdings, Inc. First-lien loan ($27,782 par, due 7/2028) Initial Acquisition Date 7/12/2022 Reference Rate Spread SOFR + 7.50% Interest Rate 12.08%                      
Investment, par [1],[4],[6]   $ 27,782,000                  
Investment due date [1],[4],[6]   2028-07                  
Initial Acquisition Date [1],[4],[6]   Jul. 12, 2022                  
Reference Rate [1],[4],[6]   7.50%         7.50% 7.50% 7.50% 7.50%  
Interest Rate [1],[4],[6]   12.08%         12.08% 12.08% 12.08% 12.08%  
Investments at amortized cost [1],[4],[6]   $ 26,906,000                  
Total investments at fair value [1],[4],[6]   $ 26,709,000                  
Percentage of Net Assets [1],[4],[6]   2.00%         2.00% 2.00% 2.00% 2.00%  
Investment, Identifier [Axis]: Debt Investments Hotel, Internet Services Lithium Technologies, LLC First-lien loan ($54,700 par, due 1/2024) Initial Acquisition Date 10/3/2017 Reference Rate Spread SOFR + 8.00% Interest Rate 12.06%                      
Investment, par [1],[4]   $ 54,700,000                  
Investment due date [1],[4]   2024-01                  
Initial Acquisition Date [1],[4]   Oct. 03, 2017                  
Reference Rate [1],[4]   8.00%         8.00% 8.00% 8.00% 8.00%  
Interest Rate [1],[4]   12.06%         12.06% 12.06% 12.06% 12.06%  
Investments at amortized cost [1],[4]   $ 54,651,000                  
Total investments at fair value [1],[4]   $ 53,469,000                  
Percentage of Net Assets [1],[4]   4.00%         4.00% 4.00% 4.00% 4.00%  
Investment, Identifier [Axis]: Debt Investments Hotel, Internet Services Lithium Technologies, LLC First-lien revolving loan ($1,320 par, due 1/2024) Initial Acquisition Date 10/3/2017 Reference Rate Spread SOFR + 8.00% Interest Rate 12.06%                      
Investment, par [1],[4]   $ 1,320,000                  
Investment due date [1],[4]   2024-01                  
Initial Acquisition Date [1],[4]   Oct. 03, 2017                  
Reference Rate [1],[4]   8.00%         8.00% 8.00% 8.00% 8.00%  
Interest Rate [1],[4]   12.06%         12.06% 12.06% 12.06% 12.06%  
Investments at amortized cost [1],[4]   $ 1,323,000                  
Total investments at fair value [1],[4]   $ 1,245,000                  
Percentage of Net Assets [1],[4]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Debt Investments Hotel, Internet Services Lucidworks, Inc. First-lien loan ($8,330 par, due 2/2027) Initial Acquisition Date 2/11/2022 Reference Rate Spread SOFR + 7.50% Interest Rate 11.82% (incl. 3.50% PIK)                      
Investment, par [1],[4],[6]   $ 8,330,000                  
Investment due date [1],[4],[6]   2027-02                  
Initial Acquisition Date [1],[4],[6]   Feb. 11, 2022                  
Reference Rate [1],[4],[6]   7.50%         7.50% 7.50% 7.50% 7.50%  
Interest Rate [1],[4],[6]   11.82%         11.82% 11.82% 11.82% 11.82%  
Interest Rate, PIK [1],[4],[6]   3.50%         3.50% 3.50% 3.50% 3.50%  
Investments at amortized cost [1],[4],[6]   $ 8,330,000                  
Total investments at fair value [1],[4],[6]   $ 8,170,000                  
Percentage of Net Assets [1],[4],[6]   0.60%         0.60% 0.60% 0.60% 0.60%  
Investment, Identifier [Axis]: Debt Investments Hotel, Internet Services Piano Software, Inc First-lien loan ($51,312 par, due 2/2026) Initial Acquisition Date 2/25/2021 Reference Rate Spread SOFR + 7.10% Interest Rate 11.42%                      
Investment, par [1],[4],[6]   $ 51,312,000                  
Investment due date [1],[4],[6]   2026-02                  
Initial Acquisition Date [1],[4],[6]   Feb. 25, 2021                  
Reference Rate [1],[4],[6]   7.10%         7.10% 7.10% 7.10% 7.10%  
Interest Rate [1],[4],[6]   11.42%         11.42% 11.42% 11.42% 11.42%  
Investments at amortized cost [1],[4],[6]   $ 50,454,000                  
Total investments at fair value [1],[4],[6]   $ 50,029,000                  
Percentage of Net Assets [1],[4],[6]   3.70%         3.70% 3.70% 3.70% 3.70%  
Investment, Identifier [Axis]: Debt Investments Hotel, Internet Services SMA Technologies Holdings, LLC First-lien loan ($36,833 par, due 10/2028) Initial Acquisition Date 10/31/2022 Reference Rate Spread SOFR + 6.75% Interest Rate 11.07%                      
Investment, par [1],[4],[6]   $ 36,833,000                  
Investment due date [1],[4],[6]   2028-10                  
Initial Acquisition Date [1],[4],[6]   Oct. 31, 2022                  
Reference Rate [1],[4],[6]   6.75%         6.75% 6.75% 6.75% 6.75%  
Interest Rate [1],[4],[6]   11.07%         11.07% 11.07% 11.07% 11.07%  
Investments at amortized cost [1],[4],[6]   $ 35,258,000                  
Total investments at fair value [1],[4],[6]   $ 35,268,000                  
Percentage of Net Assets [1],[4],[6]   2.60%         2.60% 2.60% 2.60% 2.60%  
Investment, Identifier [Axis]: Debt Investments Hotel, Internet Services Workwell Bayshore Intermediate #2, L. First-lien loan ($32,194 par, due 10/2028) Initial Acquisition Date 10/1/2021 Reference Rate Spread L + 7.75% Interest Rate 12.04% PIK                      
Investment, par [1],[4]   $ 32,194,000                  
Investment due date [1],[4]   2028-10                  
Initial Acquisition Date [1],[4]   Oct. 01, 2021                  
Reference Rate [1],[4]   7.75%         7.75% 7.75% 7.75% 7.75%  
Interest Rate, PIK [1],[4]   12.04%         12.04% 12.04% 12.04% 12.04%  
Investments at amortized cost [1],[4]   $ 31,631,000                  
Total investments at fair value [1],[4]   $ 31,308,000                  
Percentage of Net Assets [1],[4]   2.30%         2.30% 2.30% 2.30% 2.30%  
Investment, Identifier [Axis]: Debt Investments Hotel, Internet Services Workwell Bayshore Intermediate #2, L. First-lien revolving loan ($780 par, due 10/2027) Initial Acquisition Date 10/1/2021 Reference Rate Spread L + 7.75% Interest Rate 10.89%                      
Investment, par [1],[4]   $ 780,000                  
Investment due date [1],[4]   2027-10                  
Initial Acquisition Date [1],[4]   Oct. 01, 2021                  
Reference Rate [1],[4]   6.75%         6.75% 6.75% 6.75% 6.75%  
Interest Rate [1],[4]   10.89%         10.89% 10.89% 10.89% 10.89%  
Investments at amortized cost [1],[4]   $ 737,000                  
Total investments at fair value [1],[4]   $ 714,000                  
Percentage of Net Assets [1],[4]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Debt Investments Hotel, Internet Services Workwell CrunchTime Information, Systems, Inc First-lien loan ($53,121 par, due 6/2028) Initial Acquisition Date 6/17/2022 Reference Rate Spread SOFR + 6.00% Interest Rate 10.32%                      
Investment, par [1],[4],[6]   $ 53,121,000                  
Investment due date [1],[4],[6]   2028-06                  
Initial Acquisition Date [1],[4],[6]   Jun. 17, 2022                  
Reference Rate [1],[4],[6]   6.00%         6.00% 6.00% 6.00% 6.00%  
Interest Rate [1],[4],[6]   10.32%         10.32% 10.32% 10.32% 10.32%  
Investments at amortized cost [1],[4],[6]   $ 51,969,000                  
Total investments at fair value [1],[4],[6]   $ 51,766,000                  
Percentage of Net Assets [1],[4],[6]   3.90%         3.90% 3.90% 3.90% 3.90%  
Investment, Identifier [Axis]: Debt Investments Hotel, Manufacturing Avalara, Inc First-lien loan ($38,636 par, due 10/2028) Initial Acquisition Date 10/19/2022 Reference Rate Spread SOFR + 7.25% Interest Rate 11.83%                      
Investment, par [1],[4]   $ 38,636,000                  
Investment due date [1],[4]   2028-10                  
Initial Acquisition Date [1],[4]   Oct. 19, 2022                  
Reference Rate [1],[4]   7.25%         7.25% 7.25% 7.25% 7.25%  
Interest Rate [1],[4]   11.83%         11.83% 11.83% 11.83% 11.83%  
Investments at amortized cost [1],[4]   $ 37,601,000                  
Total investments at fair value [1],[4]   $ 37,255,000                  
Percentage of Net Assets [1],[4]   2.80%         2.80% 2.80% 2.80% 2.80%  
Investment, Identifier [Axis]: Debt Investments Hotel, Office Products USR Parent, Inc. ABL FILO term loan ($19,000 par, due 4/2027) Initial Acquisition Date 4/25/2022 Reference Rate Spread SOFR + 6.50% Interest Rate 10.62%                      
Investment, par [1],[4],[6]   $ 19,000,000                  
Investment due date [1],[4],[6]   2027-04                  
Initial Acquisition Date [1],[4],[6]   Apr. 25, 2022                  
Reference Rate [1],[4],[6]   6.50%         6.50% 6.50% 6.50% 6.50%  
Interest Rate [1],[4],[6]   10.62%         10.62% 10.62% 10.62% 10.62%  
Investments at amortized cost [1],[4],[6]   $ 18,634,000                  
Total investments at fair value [1],[4],[6]   $ 18,478,000                  
Percentage of Net Assets [1],[4],[6]   1.40%         1.40% 1.40% 1.40% 1.40%  
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services                      
Investments at amortized cost $ 351,845,000 [1],[2],[3] $ 320,762,000                  
Total investments at fair value $ 355,607,000 [1],[5] $ 316,772,000                  
Percentage of Net Assets 23.70% [1] 23.40% 23.70% [1] 23.70% [1] 23.70% [1] 23.70% [1] 23.40% 23.40% 23.40% 23.40%  
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services Axonify, Inc First-lien loan ($44,806 par, due 11/2028) Initial Acquisition Date 11/7/2022 Reference Rate and Spread SOFR + 6.63% Interest Rate 10.81%                      
Investment, par [1],[4]   $ 44,806,000                  
Investment due date [1],[4]   2028-11                  
Initial Acquisition Date [1],[4]   Nov. 07, 2022                  
Reference Rate [1],[4]   6.63%         6.63% 6.63% 6.63% 6.63%  
Interest Rate [1],[4]   10.81%         10.81% 10.81% 10.81% 10.81%  
Investments at amortized cost [1],[3],[4],[9],[10]   $ 43,430,000                  
Total investments at fair value [1],[4],[11]   $ 43,574,000                  
Percentage of Net Assets [1],[4]   3.20%         3.20% 3.20% 3.20% 3.20%  
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services Axonify, Inc First-lien loan ($47,122 par, due 5/2026) Initial Acquisition Date 5/5/2021 Reference Rate and Spread SOFR + 7.65% Interest Rate 11.83%                      
Investment, par [1],[4]   $ 47,122,000                  
Investment due date [1],[4]   2026-05                  
Initial Acquisition Date [1],[4]   May 05, 2021                  
Reference Rate [1],[4]   7.65%         7.65% 7.65% 7.65% 7.65%  
Interest Rate [1],[4]   11.83%         11.83% 11.83% 11.83% 11.83%  
Investments at amortized cost [1],[3],[4],[9],[10]   $ 46,204,000                  
Total investments at fair value [1],[4],[11]   $ 46,190,000                  
Percentage of Net Assets [1],[4]   3.40%         3.40% 3.40% 3.40% 3.40%  
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services Axonify, Inc. First-lien loan ($41,607 par, due 5/2027) Initial Acquisition Date 5/5/2021 Reference Rate and Spread SOFR + 7.65% Interest Rate 13.04%                      
Investment, par [1],[4],[6],[12] $ 41,607,000                    
Investment due date [1],[4],[6],[12] 2027-05                    
Initial Acquisition Date [1],[4],[6],[12] May 05, 2021                    
Reference Rate [1],[4],[6],[12] 7.65%   7.65% 7.65% 7.65% 7.65%          
Interest Rate [1],[4],[6],[12] 13.04%   13.04% 13.04% 13.04% 13.04%          
Investments at amortized cost [1],[2],[3],[4],[6],[12] $ 41,035,000                    
Total investments at fair value [1],[4],[5],[6],[12] $ 41,718,000                    
Percentage of Net Assets [1],[4],[6],[12] 2.70%   2.70% 2.70% 2.70% 2.70%          
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services Elysian Finco Ltd First-lien loan ($17,314 par, due 1/2028) Initial Acquisition Date 1/31/2022 Reference Rate and Spread SOFR + 6.65% Interest Rate 10.99%                      
Investment, par [1],[4]   $ 17,314,000                  
Investment due date [1],[4]   2028-01                  
Initial Acquisition Date [1],[4]   Jan. 31, 2022                  
Reference Rate [1],[4]   6.65%         6.65% 6.65% 6.65% 6.65%  
Interest Rate [1],[4]   10.99%         10.99% 10.99% 10.99% 10.99%  
Investments at amortized cost [1],[3],[4],[9],[10]   $ 16,831,000                  
Total investments at fair value [1],[4],[11]   $ 17,107,000                  
Percentage of Net Assets [1],[4]   1.30%         1.30% 1.30% 1.30% 1.30%  
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services Elysian Finco Ltd. First-lien loan ($19,519 par, due 1/2028) Initial Acquisition Date 1/31/2021 Reference Rate and Spread SOFR + 6.65% Interest Rate 12.03% (incl. 3.25% PIK)                      
Percentage of Net Assets [1],[4],[6],[12] 1.30%   1.30% 1.30% 1.30% 1.30%          
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services Elysian Finco Ltd. First-lien loan ($19,519 par, due 1/2028) Initial Acquisition Date 1/31/2021 Reference Rate and Spread SOFR + 6.65% Interest Rate 12.03% (incl. 6.50% PIK)                      
Investment, par [1],[4],[6],[12] $ 19,519,000                    
Investment due date [1],[4],[6],[12] 2028-01                    
Initial Acquisition Date [1],[4],[6],[12] Jan. 31, 2021                    
Reference Rate [1],[4],[6],[12] 6.65%   6.65% 6.65% 6.65% 6.65%          
Interest Rate [1],[4],[6],[12] 12.03%   12.03% 12.03% 12.03% 12.03%          
Interest Rate, PIK [1],[4],[6],[12] 6.50%   6.50% 6.50% 6.50% 6.50%          
Investments at amortized cost [1],[2],[3],[4],[6],[12] $ 19,112,000                    
Total investments at fair value [1],[4],[5],[6],[12] $ 19,987,000                    
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services Employment Hero Holdings Pty Ltd. First-lien loan (AUD 50,000 par, due 12/2026) Initial Acquisition Date 12/6/2021 Reference Rate and Spread B + 6.25% Interest Rate 10.67%                      
Investment, par [1],[4],[12]           $ 50,000          
Investment due date [1],[4],[12] 2026-12                    
Initial Acquisition Date [1],[4],[12] Dec. 06, 2021                    
Reference Rate [1],[4],[12] 6.25%   6.25% 6.25% 6.25% 6.25%          
Interest Rate [1],[4],[12] 10.67%   10.67% 10.67% 10.67% 10.67%          
Investments at amortized cost [1],[2],[3],[4],[12] $ 34,834,000                    
Total investments at fair value [1],[4],[5],[12] $ 34,117,000         $ 50,000          
Percentage of Net Assets [1],[4],[12] 2.30%   2.30% 2.30% 2.30% 2.30%          
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services Employment Hero Holdings Pty Ltd. First-lien loan (AUD 50,000 par, due 12/2026) Initial Acquisition Date 12/6/2021 Reference Rate and Spread B + 6.50% Interest Rate 9.77%                      
Investment, par [1],[4]   $ 50,000,000                  
Investment due date [1],[4]   2026-12                  
Initial Acquisition Date [1],[4]   Dec. 06, 2021                  
Reference Rate [1],[4]   6.50%         6.50% 6.50% 6.50% 6.50%  
Interest Rate [1],[4]   9.77%         9.77% 9.77% 9.77% 9.77%  
Investments at amortized cost [1],[3],[4],[9],[10]   $ 34,664,000                  
Total investments at fair value [1],[4],[11]   $ 32,839,000               $ 51,076  
Percentage of Net Assets [1],[4]   2.40%         2.40% 2.40% 2.40% 2.40%  
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services HireVue, Inc. First-lien loan ($54,113 par, due 5/2029) Initial Acquisition Date 5/3/2023 Reference Rate and Spread SOFR + 7.25% Interest Rate 12.63%                      
Investment, par [1],[4] $ 54,113,000                    
Investment due date [1],[4] 2029-05                    
Initial Acquisition Date [1],[4] May 03, 2023                    
Reference Rate [1],[4] 7.25%   7.25% 7.25% 7.25% 7.25%          
Interest Rate [1],[4] 12.63%   12.63% 12.63% 12.63% 12.63%          
Investments at amortized cost [1],[2],[3],[4] $ 52,478,000                    
Total investments at fair value [1],[4],[5] $ 53,808,000                    
Percentage of Net Assets [1],[4] 3.60%   3.60% 3.60% 3.60% 3.60%          
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services Madcap Software, Inc First-lien loan ($32,500 par, due 12/2026) Initial Acquisition Date 12/15/2023 Reference Rate and Spread SOFR + 6.10% Interest Rate 11.46%                      
Investment, par [1],[4],[6] $ 32,500,000                    
Investment due date [1],[4],[6] 2026-12                    
Initial Acquisition Date [1],[4],[6] Dec. 15, 2023                    
Reference Rate [1],[4],[6] 6.10%   6.10% 6.10% 6.10% 6.10%          
Interest Rate [1],[4],[6] 11.46%   11.46% 11.46% 11.46% 11.46%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 31,713,000                    
Total investments at fair value [1],[4],[5],[6] $ 31,769,000                    
Percentage of Net Assets [1],[4],[6] 2.10%   2.10% 2.10% 2.10% 2.10%          
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services Modern Hire, Inc First-lien loan ($28,878 par, due 5/2024) Initial Acquisition Date 5/15/2019 Reference Rate and Spread L + 7.00% Interest Rate 11.38%                      
Investment, par [7],[8],[14]   $ 28,878,000                  
Investment due date [7],[8],[14]   2024-05                  
Initial Acquisition Date [7],[8],[14]   May 15, 2019                  
Reference Rate [7],[8],[14]   7.00%         7.00% 7.00% 7.00% 7.00%  
Interest Rate [7],[8],[14]   11.38%         11.38% 11.38% 11.38% 11.38%  
Investments at amortized cost [7],[8],[14]   $ 28,624,000                  
Total investments at fair value [7],[8],[14]   $ 28,950,000                  
Percentage of Net Assets [7],[8],[14]   2.20%         2.20% 2.20% 2.20% 2.20%  
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services PageUp People, Ltd. First-lien loan ($10,557 par, due 12/2025) Initial Acquisition Date 10/28/2021 Reference Rate and Spread S + 5.10% Interest Rate 10.45%                      
Investment, par [1],[4],[6],[12] $ 10,557,000                    
Investment due date [1],[4],[6],[12] 2025-12                    
Initial Acquisition Date [1],[4],[6],[12] Oct. 28, 2021                    
Reference Rate [1],[4],[6],[12] 5.10%   5.10% 5.10% 5.10% 5.10%          
Interest Rate [1],[4],[6],[12] 10.45%   10.45% 10.45% 10.45% 10.45%          
Investments at amortized cost [1],[2],[3],[4],[6],[12] $ 10,549,000                    
Total investments at fair value [1],[4],[5],[6],[12] $ 10,557,000                    
Percentage of Net Assets [1],[4],[6],[12] 0.70%   0.70% 0.70% 0.70% 0.70%          
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services PageUp People, Ltd. First-lien loan ($12,011 par, due 12/2025) Initial Acquisition Date 10/28/2021 Reference Rate and Spread L + 5.50% Interest Rate 10.65%                      
Investment, par [7],[8],[14]   $ 12,011,000                  
Investment due date [7],[8],[14]   2025-12                  
Initial Acquisition Date [7],[8],[14]   Oct. 28, 2021                  
Reference Rate [7],[8],[14]   5.50%         5.50% 5.50% 5.50% 5.50%  
Interest Rate [7],[8],[14]   10.65%         10.65% 10.65% 10.65% 10.65%  
Investments at amortized cost [7],[8],[14]   $ 11,997,000                  
Total investments at fair value [7],[8],[14]   $ 11,771,000                  
Percentage of Net Assets [7],[8],[14]   0.90%         0.90% 0.90% 0.90% 0.90%  
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services PageUp People, Ltd. First-lien loan (AUD 13,400 par, due 12/2025) Initial Acquisition Date 1/11/2018 Reference Rate and Spread B + 5.00% Interest Rate 9.36%                      
Investment, par [1],[4],[6],[12]           $ 13,400          
Investment due date [1],[4],[6],[12] 2025-12                    
Initial Acquisition Date [1],[4],[6],[12] Jan. 11, 2018                    
Reference Rate [1],[4],[6],[12] 5.00%   5.00% 5.00% 5.00% 5.00%          
Interest Rate [1],[4],[6],[12] 9.36%   9.36% 9.36% 9.36% 9.36%          
Investments at amortized cost [1],[2],[3],[4],[6],[12] $ 10,114,000                    
Total investments at fair value [1],[4],[5],[6],[12] $ 9,143,000         $ 13,400          
Percentage of Net Assets [1],[4],[6],[12] 0.60%   0.60% 0.60% 0.60% 0.60%          
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services PageUp People, Ltd. First-lien loan (AUD 14,520 par, due 12/2025) Initial Acquisition Date 1/11/2018 Reference Rate and Spread B + 5.50% Interest Rate 9.28%                      
Investment, par [7],[8],[14]   $ 14,520,000                  
Investment due date [7],[8],[14]   2025-12                  
Initial Acquisition Date [7],[8],[14]   Jan. 11, 2018                  
Reference Rate [7],[8],[14]   5.50%         5.50% 5.50% 5.50% 5.50%  
Interest Rate [7],[8],[14]   9.28%         9.28% 9.28% 9.28% 9.28%  
Investments at amortized cost [7],[8],[14]   $ 10,899,000                  
Total investments at fair value [7],[8],[14]   $ 9,534               $ 14,059  
Percentage of Net Assets [7],[8],[14]   0.70%         0.70% 0.70% 0.70% 0.70%  
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services PageUp People, Ltd. First-lien loan (GBP 3,104 par, due 12/2025) Initial Acquisition Date 10/28/2021 Reference Rate and Spread S + 5.03% Interest Rate 10.22%                      
Investment, par | £ [1],[4],[6],[12]         £ 3,104            
Investment due date [1],[4],[6],[12] 2025-12                    
Initial Acquisition Date [1],[4],[6],[12] Oct. 28, 2021                    
Reference Rate [1],[4],[6],[12] 5.03%   5.03% 5.03% 5.03% 5.03%          
Interest Rate [1],[4],[6],[12] 10.22%   10.22% 10.22% 10.22% 10.22%          
Investments at amortized cost [1],[2],[3],[4],[6],[12] $ 4,276,000                    
Total investments at fair value [1],[4],[5],[6],[12] $ 3,957,000       £ 3,104            
Percentage of Net Assets [1],[4],[6],[12] 0.30%   0.30% 0.30% 0.30% 0.30%          
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services PageUp People, Ltd. First-lien loan (GBP 3,766 par, due 12/2025) Initial Acquisition Date 10/28/2021 Reference Rate and Spread S + 5.62% Interest Rate 8.55%                      
Investment, par [7],[8],[14]   $ 3,766,000                  
Investment due date [7],[8],[14]   2025-12                  
Initial Acquisition Date [7],[8],[14]   Oct. 28, 2021                  
Reference Rate [7],[8],[14]   5.62%         5.62% 5.62% 5.62% 5.62%  
Interest Rate [7],[8],[14]   8.55%         8.55% 8.55% 8.55% 8.55%  
Investments at amortized cost [7],[8],[14]   $ 5,184,000                  
Total investments at fair value [7],[8],[14]   $ 4,439,000             £ 3,690    
Percentage of Net Assets [7],[8],[14]   0.30%         0.30% 0.30% 0.30% 0.30%  
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services PayScale Holdings, Inc. First-lien loan ($68,775 par, due 5/2024) Initial Acquisition Date 5/3/2019 Reference Rate and Spread L + 5.75% Interest Rate 10.48%                      
Investment, par [7],[8],[14]   $ 68,775,000                  
Investment due date [7],[8],[14]   2024-05                  
Initial Acquisition Date [7],[8],[14]   May 03, 2019                  
Reference Rate [7],[8],[14]   5.75%         5.75% 5.75% 5.75% 5.75%  
Interest Rate [7],[8],[14]   10.48%         10.48% 10.48% 10.48% 10.48%  
Investments at amortized cost [7],[8],[14]   $ 68,199,000                  
Total investments at fair value [7],[8],[14]   $ 67,572,000                  
Percentage of Net Assets [7],[8],[14]   5.00%         5.00% 5.00% 5.00% 5.00%  
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services PayScale Holdings, Inc. First-lien loan ($71,196 par, due 5/2027) Initial Acquisition Date 5/3/2019 Reference Rate and Spread SOFR + 6.35% Interest Rate 11.70%                      
Investment, par [1],[4],[6] $ 71,196,000                    
Investment due date [1],[4],[6] 2027-05                    
Initial Acquisition Date [1],[4],[6] May 03, 2019                    
Reference Rate [1],[4],[6] 6.35%   6.35% 6.35% 6.35% 6.35%          
Interest Rate [1],[4],[6] 11.70%   11.70% 11.70% 11.70% 11.70%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 70,826,000                    
Total investments at fair value [1],[4],[5],[6] $ 71,374,000                    
Percentage of Net Assets [1],[4],[6] 4.80%   4.80% 4.80% 4.80% 4.80%          
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services PrimePay Intermediate, LLC First-lien loan ($32,242 par, due 12/2026) Initial Acquisition Date 12/17/2021 Reference Rate and Spread SOFR + 7.15% Interest Rate 11.73%                      
Investment, par [7],[8],[14]   $ 32,242,000                  
Investment due date [7],[8],[14]   2026-12                  
Initial Acquisition Date [7],[8],[14]   Dec. 17, 2021                  
Reference Rate [7],[8],[14]   7.15%         7.15% 7.15% 7.15% 7.15%  
Interest Rate [7],[8],[14]   11.73%         11.73% 11.73% 11.73% 11.73%  
Investments at amortized cost [7],[8],[14]   $ 31,297,000                  
Total investments at fair value [7],[8],[14]   $ 31,355,000                  
Percentage of Net Assets [7],[8],[14]   2.30%         2.30% 2.30% 2.30% 2.30%  
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services PrimePay Intermediate, LLC First-lien loan ($34,375 par, due 12/2026) Initial Acquisition Date 12/17/2021 Reference Rate and Spread SOFR + 7.15% Interest Rate 12.54%                      
Investment, par [1],[4],[6] $ 34,375,000                    
Investment due date [1],[4],[6] 2026-12                    
Initial Acquisition Date [1],[4],[6] Dec. 17, 2021                    
Reference Rate [1],[4],[6] 7.15%   7.15% 7.15% 7.15% 7.15%          
Interest Rate [1],[4],[6] 12.54%   12.54% 12.54% 12.54% 12.54%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 33,672,000                    
Total investments at fair value [1],[4],[5],[6] $ 34,375,000                    
Percentage of Net Assets [1],[4],[6] 2.30%   2.30% 2.30% 2.30% 2.30%          
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services Workwell Acquisition Co. First-lien loan ($23,798 par, due 10/2025) Initial Acquisition Date 10/19/2020 Reference Rate and Spread SOFR + 7.40% Interest Rate 11.38%                      
Investment, par [7],[8],[14]   $ 23,798,000                  
Investment due date [7],[8],[14]   2025-10                  
Initial Acquisition Date [7],[8],[14]   Oct. 19, 2020                  
Reference Rate [7],[8],[14]   7.40%         7.40% 7.40% 7.40% 7.40%  
Interest Rate [7],[8],[14]   11.80%         11.80% 11.80% 11.80% 11.80%  
Investments at amortized cost [7],[8],[14]   $ 23,433,000                  
Total investments at fair value [7],[8],[14]   $ 23,441,000                  
Percentage of Net Assets [7],[8],[14]   1.70%         1.70% 1.70% 1.70% 1.70%  
Investment, Identifier [Axis]: Debt Investments Human Resource Support Services bswift, LLC First-lien loan ($44,358 par, due 11/2028) Initial Acquisition Date 11/7/2022 Reference Rate and Spread SOFR + 6.63% Interest Rate 12.03%                      
Investment, par [1],[4],[6] $ 44,358,000                    
Investment due date [1],[4],[6] 2028-11                    
Initial Acquisition Date [1],[4],[6] Nov. 07, 2022                    
Reference Rate [1],[4],[6] 6.63%   6.63% 6.63% 6.63% 6.63%          
Interest Rate [1],[4],[6] 12.03%   12.03% 12.03% 12.03% 12.03%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 43,236,000                    
Total investments at fair value [1],[4],[5],[6] $ 44,802,000                    
Percentage of Net Assets [1],[4],[6] 3.00%   3.00% 3.00% 3.00% 3.00%          
Investment, Identifier [Axis]: Debt Investments Insurance Disco Parent, Inc. First-lien loan ($4,545 par, due 3/2029) Initial Acquisition Date 3/30/2023 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.89%                      
Investment, par [1],[4] $ 4,545,000                    
Investment due date [1],[4] 2029-03                    
Initial Acquisition Date [1],[4] Mar. 30, 2023                    
Reference Rate [1],[4] 7.50%   7.50% 7.50% 7.50% 7.50%          
Interest Rate [1],[4] 12.89%   12.89% 12.89% 12.89% 12.89%          
Investments at amortized cost [1],[2],[3],[4] $ 4,436,000                    
Total investments at fair value [1],[4],[5] $ 4,533,000                    
Percentage of Net Assets [1],[4] 0.30%   0.30% 0.30% 0.30% 0.30%          
Investment, Identifier [Axis]: Debt Investments Internet Services                      
Investments at amortized cost [1],[2],[3] $ 473,034,000                    
Total investments at fair value [1],[5] $ 479,531,000                    
Percentage of Net Assets [1] 31.90%   31.90% 31.90% 31.90% 31.90%          
Investment, Identifier [Axis]: Debt Investments Internet Services Arrow Buyer, Inc. First-lien loan ($33,125 par, due 7/2030) Initial Acquisition Date 6/30/2023 Reference Rate and Spread SOFR + 6.50% Interest Rate 11.85%                      
Investment, par [1],[4] $ 33,125,000                    
Investment due date [1],[4] 2030-07                    
Initial Acquisition Date [1],[4] Jun. 30, 2023                    
Reference Rate [1],[4] 6.50%   6.50% 6.50% 6.50% 6.50%          
Interest Rate [1],[4] 11.85%   11.85% 11.85% 11.85% 11.85%          
Investments at amortized cost [1],[2],[3],[4] $ 32,249,000                    
Total investments at fair value [1],[4],[5] $ 32,820,000                    
Percentage of Net Assets [1],[4] 2.20%   2.20% 2.20% 2.20% 2.20%          
Investment, Identifier [Axis]: Debt Investments Internet Services Bayshore Intermediate #2, L.P. First-lien loan ($36,629 par, due 10/2028) Initial Acquisition Date 10/1/2021 Reference Rate and Spread SOFR + 7.60% Interest Rate 12.96 PIK%                      
Investment, par [1],[4] $ 36,629,000                    
Investment due date [1],[4] 2028-10                    
Initial Acquisition Date [1],[4] Oct. 01, 2021                    
Reference Rate [1],[4] 7.60%   7.60% 7.60% 7.60% 7.60%          
Interest Rate, PIK [1],[4] 12.96%   12.96% 12.96% 12.96% 12.96%          
Investments at amortized cost [1],[2],[3],[4] $ 36,129,000                    
Total investments at fair value [1],[4],[5] $ 36,446,000                    
Percentage of Net Assets [1],[4] 2.40%   2.40% 2.40% 2.40% 2.40%          
Investment, Identifier [Axis]: Debt Investments Internet Services Bayshore Intermediate #2, L.P. First-lien revolving loan ($480 par, due 10/2027) Initial Acquisition Date 10/1/2021 Reference Rate and Spread SOFR + 6.60% Interest Rate 12.01%                      
Investment, par [1],[4] $ 480,000                    
Investment due date [1],[4] 2027-10                    
Initial Acquisition Date [1],[4] Oct. 01, 2021                    
Reference Rate [1],[4] 6.60%   6.60% 6.60% 6.60% 6.60%          
Interest Rate [1],[4] 12.01%   12.01% 12.01% 12.01% 12.01%          
Investments at amortized cost [1],[2],[3],[4] $ 446,000                    
Total investments at fair value [1],[4],[5] $ 468,000                    
Percentage of Net Assets [1],[4] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, Identifier [Axis]: Debt Investments Internet Services Coupa Holdings, LLC First-lien loan ($43,191 par, due 2/2030) Initial Acquisition Date 2/27/2023 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.86%                      
Investment, par [1],[4] $ 43,191,000                    
Investment due date [1],[4] 2030-02                    
Initial Acquisition Date [1],[4] Feb. 27, 2023                    
Reference Rate [1],[4] 7.50%   7.50% 7.50% 7.50% 7.50%          
Interest Rate [1],[4] 12.86%   12.86% 12.86% 12.86% 12.86%          
Investments at amortized cost [1],[2],[3],[4] $ 42,135,000                    
Total investments at fair value [1],[4],[5] $ 43,441,000                    
Percentage of Net Assets [1],[4] 2.90%   2.90% 2.90% 2.90% 2.90%          
Investment, Identifier [Axis]: Debt Investments Internet Services CrunchTime Information, Systems, Inc. First-lien loan ($59,500 par, due 6/2028) Initial Acquisition Date 6/17/2022 Reference Rate and Spread SOFR + 6.00% Interest Rate 11.36%                      
Investment, par [1],[4],[6] $ 59,500,000                    
Investment due date [1],[4],[6] 2028-06                    
Initial Acquisition Date [1],[4],[6] Jun. 17, 2022                    
Reference Rate [1],[4],[6] 6.00%   6.00% 6.00% 6.00% 6.00%          
Interest Rate [1],[4],[6] 11.36%   11.36% 11.36% 11.36% 11.36%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 58,477,000                    
Total investments at fair value [1],[4],[5],[6] $ 59,947,000                    
Percentage of Net Assets [1],[4],[6] 4.00%   4.00% 4.00% 4.00% 4.00%          
Investment, Identifier [Axis]: Debt Investments Internet Services EDB Parent, LLC First-lien loan ($63,508 par, due 7/2028) Initial Acquisition Date 7/7/2022 Reference Rate and Spread SOFR + 6.75% Interest Rate 12.10%                      
Investment, par [1],[4],[6] $ 63,508,000                    
Investment due date [1],[4],[6] 2028-07                    
Initial Acquisition Date [1],[4],[6] Jul. 07, 2022                    
Reference Rate [1],[4],[6] 6.75%   6.75% 6.75% 6.75% 6.75%          
Interest Rate [1],[4],[6] 12.10%   12.10% 12.10% 12.10% 12.10%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 62,301,000                    
Total investments at fair value [1],[4],[5],[6] $ 63,032,000                    
Percentage of Net Assets [1],[4],[6] 4.20%   4.20% 4.20% 4.20% 4.20%          
Investment, Identifier [Axis]: Debt Investments Internet Services Higher Logic, LLC First-lien loan ($52,937 par, due 1/2025) Initial Acquisition Date 6/18/2018 Reference Rate and Spread SOFR + 6.75% Interest Rate 12.10%                      
Investment, par [1],[4],[6] $ 52,937,000                    
Investment due date [1],[4],[6] 2025-01                    
Initial Acquisition Date [1],[4],[6] Jun. 18, 2018                    
Reference Rate [1],[4],[6] 6.75%   6.75% 6.75% 6.75% 6.75%          
Interest Rate [1],[4],[6] 12.10%   12.10% 12.10% 12.10% 12.10%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 52,781,000                    
Total investments at fair value [1],[4],[5],[6] $ 53,069,000                    
Percentage of Net Assets [1],[4],[6] 3.50%   3.50% 3.50% 3.50% 3.50%          
Investment, Identifier [Axis]: Debt Investments Internet Services LeanTaaS Holdings, Inc. First-lien loan ($36,966 par, due 7/2028) Initial Acquisition Date 7/12/2022 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.85%                      
Investment, par [1],[4],[6] $ 36,966,000                    
Investment due date [1],[4],[6] 2028-07                    
Initial Acquisition Date [1],[4],[6] Jul. 12, 2022                    
Reference Rate [1],[4],[6] 7.50%   7.50% 7.50% 7.50% 7.50%          
Interest Rate [1],[4],[6] 12.85%   12.85% 12.85% 12.85% 12.85%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 36,190,000                    
Total investments at fair value [1],[4],[5],[6] $ 37,411,000                    
Percentage of Net Assets [1],[4],[6] 2.50%   2.50% 2.50% 2.50% 2.50%          
Investment, Identifier [Axis]: Debt Investments Internet Services Lithium Technologies, LLC First-lien loan ($57,665 par, due 1/2025) Initial Acquisition Date 10/3/2017 Reference Rate and Spread SOFR + 9.00% Interest Rate 14.39% (incl. 4.50% PIK)                      
Investment, par [1],[4] $ 57,665,000                    
Investment due date [1],[4] 2025-01                    
Initial Acquisition Date [1],[4] Oct. 03, 2017                    
Reference Rate [1],[4] 9.00%   9.00% 9.00% 9.00% 9.00%          
Interest Rate [1],[4] 14.39%   14.39% 14.39% 14.39% 14.39%          
Interest Rate, PIK [1],[4] 4.50%   4.50% 4.50% 4.50% 4.50%          
Investments at amortized cost [1],[2],[3],[4] $ 57,673,000                    
Total investments at fair value [1],[4],[5] $ 56,367,000                    
Percentage of Net Assets [1],[4] 3.80%   3.80% 3.80% 3.80% 3.80%          
Investment, Identifier [Axis]: Debt Investments Internet Services Lucidworks, Inc. First-lien loan ($8,912 par, due 2/2027) Initial Acquisition Date 2/11/2022 Reference Rate and Spread SOFR + 7.50% Interest Rate 12.86% (incl. 3.50% PIK)                      
Investment, par [1],[4],[6] $ 8,912,000                    
Investment due date [1],[4],[6] 2027-02                    
Initial Acquisition Date [1],[4],[6] Feb. 11, 2022                    
Reference Rate [1],[4],[6] 7.50%   7.50% 7.50% 7.50% 7.50%          
Interest Rate [1],[4],[6] 12.86%   12.86% 12.86% 12.86% 12.86%          
Interest Rate, PIK [1],[4],[6] 3.50%   3.50% 3.50% 3.50% 3.50%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 8,912,000                    
Total investments at fair value [1],[4],[5],[6] $ 8,912,000                    
Percentage of Net Assets [1],[4],[6] 0.60%   0.60% 0.60% 0.60% 0.60%          
Investment, Identifier [Axis]: Debt Investments Internet Services Piano Software, Inc. First-lien loan ($50,889 par, due 2/2026) Initial Acquisition Date 2/25/2021 Reference Rate and Spread SOFR + 7.10% Interest Rate 12.45%                      
Investment, par [1],[4],[6] $ 50,889,000                    
Investment due date [1],[4],[6] 2026-02                    
Initial Acquisition Date [1],[4],[6] Feb. 25, 2021                    
Reference Rate [1],[4],[6] 7.10%   7.10% 7.10% 7.10% 7.10%          
Interest Rate [1],[4],[6] 12.45%   12.45% 12.45% 12.45% 12.45%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 50,282,000                    
Total investments at fair value [1],[4],[5],[6] $ 50,508,000                    
Percentage of Net Assets [1],[4],[6] 3.30%   3.30% 3.30% 3.30% 3.30%          
Investment, Identifier [Axis]: Debt Investments Internet Services SMA Technologies Holdings, LLC First-lien loan ($36,833 par, due 10/2028) Initial Acquisition Date 10/31/2022 Reference Rate and Spread SOFR + 6.75% Interest Rate 12.11%                      
Investment, par [1],[4],[6] $ 36,833,000                    
Investment due date [1],[4],[6] 2028-10                    
Initial Acquisition Date [1],[4],[6] Oct. 31, 2022                    
Reference Rate [1],[4],[6] 6.75%   6.75% 6.75% 6.75% 6.75%          
Interest Rate [1],[4],[6] 12.11%   12.11% 12.11% 12.11% 12.11%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 35,459,000                    
Total investments at fair value [1],[4],[5],[6] $ 37,110,000                    
Percentage of Net Assets [1],[4],[6] 2.50%   2.50% 2.50% 2.50% 2.50%          
Investment, Identifier [Axis]: Debt Investments Mach Natural Resource LP, First-lien loan ($5,000 par, due 12/2026) Initial Acquisition Date 12/28/2023 Reference Rate and Spread SOFR + 6.65% Interest Rate 12.00%                      
Investment, par [1],[4],[12] $ 5,000,000                    
Investment due date [1],[4],[12] 2026-12                    
Initial Acquisition Date [1],[4] Jun. 30, 2022                    
Reference Rate [1],[4] 8.65%   8.65% 8.65% 8.65% 8.65%          
Interest Rate [1],[4] 14.00%   14.00% 14.00% 14.00% 14.00%          
Investments at amortized cost [1],[2],[3],[4] $ 27,453,000                    
Total investments at fair value [1],[4],[5] $ 28,267,000                    
Percentage of Net Assets [1],[4] 1.90%   1.90% 1.90% 1.90% 1.90%          
Investment, Identifier [Axis]: Debt Investments Mach Resource, First-lien loan ($5,000 par, due 12/2026) Initial Acquisition Date 12/28/2023 Reference Rate and Spread SOFR + 6.50% Interest Rate 12.00%                      
Initial Acquisition Date [1],[4],[12] Dec. 28, 2023                    
Reference Rate [1],[4],[12] 6.65%   6.65% 6.65% 6.65% 6.65%          
Interest Rate [1],[4],[12] 12.00%   12.00% 12.00% 12.00% 12.00%          
Investments at amortized cost [1],[2],[3],[4],[12] $ 4,900,000                    
Total investments at fair value [1],[4],[5],[12] $ 4,900,000                    
Percentage of Net Assets [1],[4],[12] 0.30%   0.30% 0.30% 0.30% 0.30%          
Investment, Identifier [Axis]: Debt Investments Office Products USR Parent, Inc. ABL FILO term loan ($17,000 par, due 4/2027) Initial Acquisition Date 4/25/2022 Reference Rate and Spread SOFR + 6.50% Interest Rate 11.84%                      
Investment, par [1],[4],[6] $ 17,000,000                    
Investment due date [1],[4],[6] 2027-04                    
Initial Acquisition Date [1],[4],[6] Apr. 25, 2022                    
Reference Rate [1],[4],[6] 6.50%   6.50% 6.50% 6.50% 6.50%          
Interest Rate [1],[4],[6] 11.84%   11.84% 11.84% 11.84% 11.84%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 16,703,000                    
Total investments at fair value [1],[4],[5],[6] $ 16,914,000                    
Percentage of Net Assets [1],[4],[6] 1.10%   1.10% 1.10% 1.10% 1.10%          
Investment, Identifier [Axis]: Debt Investments Oil, Gas and Consumable Fuels                      
Investments at amortized cost [1],[4] $ 123,493,000 [2],[3] $ 83,272,000                  
Total investments at fair value [1],[4] $ 127,289,000 [5] $ 85,249,000                  
Percentage of Net Assets [1],[4] 8.50% 6.40% 8.50% 8.50% 8.50% 8.50% 6.40% 6.40% 6.40% 6.40%  
Investment, Identifier [Axis]: Debt Investments Oil, Gas and Consumable Fuels Laramie Energy, LLC First-lien loan ($27,317 par, due 2/2027) Initial Acquisition Date 2/21/2023 Reference Rate and Spread SOFR + 7.10% Interest Rate 12.46%                      
Investment, par [1],[4] $ 27,317,000                    
Investment due date [1],[4] 2027-02                    
Initial Acquisition Date [1],[4] Feb. 21, 2023                    
Reference Rate [1],[4] 7.10%   7.10% 7.10% 7.10% 7.10%          
Interest Rate [1],[4] 12.46%   12.46% 12.46% 12.46% 12.46%          
Investments at amortized cost [1],[2],[3],[4] $ 26,768,000                    
Total investments at fair value [1],[4],[5] $ 27,142,000                    
Percentage of Net Assets [1],[4] 1.80%   1.80% 1.80% 1.80% 1.80%          
Investment, Identifier [Axis]: Debt Investments Oil, Gas and Consumable Fuels Murchison Oil and Gas, LLC First-lien loan ($26,873 par, due 6/2026) Initial Acquisition Date 6/30/2022 Reference Rate Spread SOFR + 8.65% Interest Rate 13.23%                      
Investment, par [1],[4]   $ 26,873,000                  
Investment due date [1],[4]   2026-06                  
Initial Acquisition Date [1],[4]   Jun. 30, 2022                  
Reference Rate [1],[4]   8.65%         8.65% 8.65% 8.65% 8.65%  
Interest Rate [1],[4]   13.23%         13.23% 13.23% 13.23% 13.23%  
Investments at amortized cost [1],[4]   $ 26,345,000                  
Total investments at fair value [1],[4]   $ 26,781,000                  
Percentage of Net Assets [1],[4]   2.00%         2.00% 2.00% 2.00% 2.00%  
Investment, Identifier [Axis]: Debt Investments Oil, Gas and Consumable Fuels Murchison Oil and Gas, LLC First-lien loan ($27,849 par, due 6/2026) Initial Acquisition Date 6/30/2022 Reference Rate and Spread SOFR + 8.65% Interest Rate 14.00%                      
Investment, par [1],[4] $ 27,849,000                    
Investment due date [1],[4] 2026-06                    
Investment, Identifier [Axis]: Debt Investments Oil, Gas and Consumable Fuels TRP Assets, LLC First-lien loan ($57,818 par, due 12/2025) Initial Acquisition Date 12/3/2021 Reference Rate Spread SOFR + 7.76% Interest Rate 12.34%                      
Investment, par [1],[4]   $ 57,818,000                  
Investment due date [1],[4]   2025-12                  
Initial Acquisition Date [1],[4]   Dec. 03, 2021                  
Reference Rate [1],[4]   7.76%         7.76% 7.76% 7.76% 7.76%  
Interest Rate [1],[4]   12.34%         12.34% 12.34% 12.34% 12.34%  
Investments at amortized cost [1],[4]   $ 56,927,000                  
Total investments at fair value [1],[4]   $ 58,468,000                  
Percentage of Net Assets [1],[4]   4.40%         4.40% 4.40% 4.40% 4.40%  
Investment, Identifier [Axis]: Debt Investments Oil, Gas and Consumable Fuels TRP Assets, LLC First-lien loan ($65,000 par, due 12/2025) Initial Acquisition Date 12/3/2021 Reference Rate and Spread SOFR + 7.76% Interest Rate 13.11%                      
Investment, par [1],[4] $ 65,000,000                    
Investment due date [1],[4] 2025-12                    
Initial Acquisition Date [1],[4] Dec. 03, 2021                    
Reference Rate [1],[4] 7.76%   7.76% 7.76% 7.76% 7.76%          
Interest Rate [1],[4] 13.11%   13.11% 13.11% 13.11% 13.11%          
Investments at amortized cost [1],[2],[3],[4] $ 64,372,000                    
Total investments at fair value [1],[4],[5] $ 66,980,000                    
Percentage of Net Assets [1],[4] 4.50%   4.50% 4.50% 4.50% 4.50%          
Investment, Identifier [Axis]: Debt Investments Other Omnigo Software, LLC First-lien loan ($39,943 par, due 3/2026) Initial Acquisition Date 3/31/2021 Reference Rate and Spread SOFR + 6.60% Interest Rate 11.96%                      
Investment, par [1],[4],[6] $ 39,943,000                    
Investment due date [1],[4],[6] 2026-03                    
Initial Acquisition Date [1],[4],[6] Mar. 31, 2021                    
Reference Rate [1],[4],[6] 6.60%   6.60% 6.60% 6.60% 6.60%          
Interest Rate [1],[4],[6] 11.96%   11.96% 11.96% 11.96% 11.96%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 39,440,000                    
Total investments at fair value [1],[4],[5],[6] $ 39,743,000                    
Percentage of Net Assets [1],[4],[6] 2.70%   2.70% 2.70% 2.70% 2.70%          
Investment, Identifier [Axis]: Debt Investments Other Omnigo Software, LLC First-lien loan ($40,353 par, due 3/2026) Initial Acquisition Date 12/3/2021 Reference Rate Spread SOFR + 6.60% Interest Rate 10.92%                      
Investment, par [1],[4],[6]   $ 40,353,000                  
Investment due date [1],[4],[6]   2026-03                  
Initial Acquisition Date [1],[4],[6]   Mar. 31, 2021                  
Reference Rate [1],[4],[6]   6.60%         6.60% 6.60% 6.60% 6.60%  
Interest Rate [1],[4],[6]   10.92%         10.92% 10.92% 10.92% 10.92%  
Investments at amortized cost [1],[4],[6]   $ 39,655,000                  
Total investments at fair value [1],[4],[6]   $ 39,445,000                  
Percentage of Net Assets [1],[4],[6]   2.90%         2.90% 2.90% 2.90% 2.90%  
Investment, Identifier [Axis]: Debt Investments Retail and Consumer Products                      
Investments at amortized cost [1],[4] $ 263,928,000 [2],[3] $ 309,957,000                  
Total investments at fair value [1],[4] $ 257,985,000 [5] $ 303,381,000                  
Percentage of Net Assets [1],[4] 17.20% 22.60% 17.20% 17.20% 17.20% 17.20% 22.60% 22.60% 22.60% 22.60%  
Investment, Identifier [Axis]: Debt Investments Retail and Consumer Products 99 Cents Only Stores LLC ABL FILO term loan ($25,000 par, due 5/2025) Initial Acquisition Date 9/6/2017 Reference Rate and Spread L + 8.50 % Interest Rate 13.23%                      
Investment, par [1],[4]   $ 25,000,000                  
Investment due date [1],[4]   2025-05                  
Initial Acquisition Date [1],[4]   Sep. 06, 2017                  
Reference Rate [1],[4]   8.50%         8.50% 8.50% 8.50% 8.50%  
Interest Rate [1],[4]   13.23%         13.23% 13.23% 13.23% 13.23%  
Investments at amortized cost [1],[4]   $ 24,782,000                  
Total investments at fair value [1],[4]   $ 25,063,000                  
Percentage of Net Assets [1],[4]   1.90%         1.90% 1.90% 1.90% 1.90%  
Investment, Identifier [Axis]: Debt Investments Retail and Consumer Products 99 Cents Only Stores LLC ABL FILO term loan ($25,000 par, due 5/2025) Initial Acquisition Date 9/6/2017 Reference Rate and Spread SOFR + 8.65% Interest Rate 14.03%                      
Investment, par [1],[4] $ 25,000,000                    
Investment due date [1],[4] 2025-05                    
Initial Acquisition Date [1],[4] Sep. 06, 2017                    
Reference Rate [1],[4] 8.65%   8.65% 8.65% 8.65% 8.65%          
Interest Rate [1],[4] 14.03%   14.03% 14.03% 14.03% 14.03%          
Investments at amortized cost [1],[2],[3],[4] $ 24,868,000                    
Total investments at fair value [1],[4],[5] $ 25,000,000                    
Percentage of Net Assets [1],[4] 1.70%   1.70% 1.70% 1.70% 1.70%          
Investment, Identifier [Axis]: Debt Investments Retail and Consumer Products American Achievement, Corp. First-lien loan ($1,352 par, due 9/2026) Initial Acquisition Date 6/10/2021 Reference Rate and Spread L + 14.10% Interest Rate 18.94% (PIK)                      
Investment, par [1],[4],[18] $ 1,352,000                    
Investment due date [1],[4],[18] 2026-09                    
Initial Acquisition Date [1],[4],[18] Jun. 10, 2021                    
Reference Rate [1],[4],[18] 14.10%   14.10% 14.10% 14.10% 14.10%          
Interest Rate, PIK [1],[4],[18] 18.94%   18.94% 18.94% 18.94% 18.94%          
Investments at amortized cost [1],[2],[3],[4],[18] $ 1,352,000                    
Total investments at fair value [1],[4],[5],[18] $ 101,000                    
Percentage of Net Assets [1],[4],[18] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, Identifier [Axis]: Debt Investments Retail and Consumer Products American Achievement, Corp. First-lien loan ($1,363 par, due 9/2026) Initial Acquisition Date 6/10/2021 Reference Rate and Spread L + 14.00 % Interest Rate 18.13% (incl. 17.63% PIK)                      
Investment, par [1],[4],[19]   $ 1,363,000                  
Investment due date [1],[4],[19]   2026-09                  
Initial Acquisition Date [1],[4]   Jun. 10, 2021                  
Reference Rate [1],[4]   14.00%         14.00% 14.00% 14.00% 14.00%  
Interest Rate [1],[4]   18.13%         18.13% 18.13% 18.13% 18.13%  
Interest Rate, PIK [1],[4]   17.63%         17.63% 17.63% 17.63% 17.63%  
Investments at amortized cost [1],[4]   $ 1,362,000                  
Total investments at fair value [1],[4]   $ 78,000                  
Percentage of Net Assets [1],[4]   0.00%         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Debt Investments Retail and Consumer Products American Achievement, Corp. First-lien loan ($27,046 par, due 9/2026) Initial Acquisition Date 9/30/2015 Reference Rate and Spread SOFR + 6.35% Interest Rate 11.19% (PIK)                      
Investment, par [1],[4],[18] $ 27,046,000                    
Investment due date [1],[4],[18] 2026-09                    
Initial Acquisition Date [1],[4],[18] Sep. 30, 2015                    
Reference Rate [1],[4],[18] 6.35%   6.35% 6.35% 6.35% 6.35%          
Interest Rate, PIK [1],[4],[18] 11.19%   11.19% 11.19% 11.19% 11.19%          
Investments at amortized cost [1],[2],[3],[4],[18] $ 26,219,000                    
Total investments at fair value [1],[4],[5],[18] $ 20,488,000                    
Percentage of Net Assets [1],[4],[18] 1.40%   1.40% 1.40% 1.40% 1.40%          
Investment, Identifier [Axis]: Debt Investments Retail and Consumer Products American Achievement, Corp. First-lien loan ($27,171 par, due 9/2026) Initial Acquisition Date 9/30/2015 Reference Rate and Spread L + 6.25 % Interest Rate 10.38% (incl. 9.88% PIK)                      
Investment, par [1],[4]   $ 27,171,000                  
Investment due date [1],[4]   2026-09                  
Initial Acquisition Date [1],[4]   Sep. 30, 2015                  
Reference Rate [1],[4]   6.25%         6.25% 6.25% 6.25% 6.25%  
Interest Rate [1],[4]   10.38%         10.38% 10.38% 10.38% 10.38%  
Interest Rate, PIK [1],[4]   9.88%         9.88% 9.88% 9.88% 9.88%  
Investments at amortized cost [1],[4]   $ 26,339,000                  
Total investments at fair value [1],[4]   $ 20,922,000                  
Percentage of Net Assets [1],[4]   1.60%         1.60% 1.60% 1.60% 1.60%  
Investment, Identifier [Axis]: Debt Investments Retail and Consumer Products American Achievement, Corp. Subordinated note ($4,740 par, due 9/2026) Initial Acquisition Date 3/16/2021 Reference Rate and Spread L + 1.00% Interest Rate 4.75% PIK                      
Investment, par [1],[4],[19]   $ 4,740,000                  
Investment due date [1],[4],[19]   2026-09                  
Initial Acquisition Date [1],[4]   Mar. 16, 2021                  
Reference Rate [1],[4]   1.00%         1.00% 1.00% 1.00% 1.00%  
Interest Rate, PIK [1],[4]   4.75%         4.75% 4.75% 4.75% 4.75%  
Investments at amortized cost [1],[4]   $ 545,000                  
Total investments at fair value [1],[4]   $ 71,000                  
Percentage of Net Assets [1],[4]   0.00%         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Debt Investments Retail and Consumer Products American Achievement, Corp. Subordinated note ($4,740 par, due 9/2026) Initial Acquisition Date 3/16/2021 Reference Rate and Spread SOFR + 1.15% Interest Rate 6.54% (PIK)                      
Investment, par [1],[4],[18] $ 4,740,000                    
Investment due date [1],[4],[18] 2026-09                    
Initial Acquisition Date [1],[4],[18] Mar. 16, 2021                    
Reference Rate [1],[4],[18] 1.15%   1.15% 1.15% 1.15% 1.15%          
Interest Rate, PIK [1],[4],[18] 6.54%   6.54% 6.54% 6.54% 6.54%          
Investments at amortized cost [1],[2],[3],[4],[18] $ 545,000                    
Total investments at fair value [1],[4],[5],[18] $ 71,000                    
Percentage of Net Assets [1],[4],[18] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, Identifier [Axis]: Debt Investments Retail and Consumer Products Bed Bath and Beyond Inc. ABL FILO term loan ($14,065 par, due 8/2027) Initial Acquisition Date 9/2/2022 Reference Rate and Spread SOFR + 9.90% Interest Rate 15.26%                      
Investment, par [1],[4],[20] $ 14,065,000                    
Investment due date [1],[4],[20] 2027-08                    
Initial Acquisition Date [1],[4],[20] Sep. 02, 2022                    
Reference Rate [1],[4],[20] 9.90%   9.90% 9.90% 9.90% 9.90%          
Interest Rate [1],[4],[20] 15.26%   15.26% 15.26% 15.26% 15.26%          
Investments at amortized cost [1],[2],[3],[4],[20] $ 13,787,000                    
Total investments at fair value [1],[4],[5],[20] $ 13,468,000                    
Percentage of Net Assets [1],[4],[20] 0.90%   0.90% 0.90% 0.90% 0.90%          
Investment, Identifier [Axis]: Debt Investments Retail and Consumer Products Bed Bath and Beyond Inc. ABL FILO term loan ($55,000 par, due 8/2027) Initial Acquisition Date 9/2/2022 Reference Rate and SOFR + 7.90% Interest Rate 12.30%                      
Investment, par [1],[4]   $ 55,000,000                  
Investment due date [1],[4]   2027-08                  
Initial Acquisition Date [1],[4]   Sep. 02, 2022                  
Reference Rate [1],[4]   7.90%         7.90% 7.90% 7.90% 7.90%  
Interest Rate [1],[4]   12.30%         12.30% 12.30% 12.30% 12.30%  
Investments at amortized cost [1],[4]   $ 53,696,000                  
Total investments at fair value [1],[4]   $ 53,900,000                  
Percentage of Net Assets [1],[4]   4.00%         4.00% 4.00% 4.00% 4.00%  
Investment, Identifier [Axis]: Debt Investments Retail and Consumer Products Bed Bath and Beyond Inc. Roll Up DIP term loan ($25,931 par, due 9/2024) Initial Acquisition Date 4/24/2023 Reference Rate and Spread SOFR + 7.90% Interest Rate 13.26%(incl. 13.26% PIK)                      
Investment, par [1],[4],[20] $ 25,931,000                    
Investment due date [1],[4],[20] 2024-09                    
Initial Acquisition Date [1],[4],[20] Apr. 24, 2023                    
Reference Rate [1],[4],[20] 7.90%   7.90% 7.90% 7.90% 7.90%          
Interest Rate [1],[4],[20] 13.26%   13.26% 13.26% 13.26% 13.26%          
Interest Rate, PIK [1],[4],[20] 13.26%   13.26% 13.26% 13.26% 13.26%          
Investments at amortized cost [1],[2],[3],[4],[20] $ 25,931,000                    
Total investments at fair value [1],[4],[5],[20] $ 24,828,000                    
Percentage of Net Assets [1],[4],[20] 1.70%   1.70% 1.70% 1.70% 1.70%          
Investment, Identifier [Axis]: Debt Investments Retail and Consumer Products Bed Bath and Beyond Inc. Super-Priority DIP term loan ($4,739 par, due 9/2024) Initial Acquisition Date 4/24/2023 Reference Rate and Spread SOFR + 7.90% Interest Rate 13.26%                      
Investment, par [1],[4],[20] $ 4,739,000                    
Investment due date [1],[4],[20] 2024-09                    
Initial Acquisition Date [1],[4],[20] Apr. 24, 2023                    
Reference Rate [1],[4],[20] 7.90%   7.90% 7.90% 7.90% 7.90%          
Interest Rate [1],[4],[20] 13.26%   13.26% 13.26% 13.26% 13.26%          
Investments at amortized cost [1],[2],[3],[4],[20] $ 4,739,000                    
Total investments at fair value [1],[4],[5],[20] $ 4,538,000                    
Percentage of Net Assets [1],[4],[20] 0.30%   0.30% 0.30% 0.30% 0.30%          
Investment, Identifier [Axis]: Debt Investments Retail and Consumer Products Cordance Operations, LLC First-lien loan ($32,907 par, due 7/2028) Initial Acquisition Date 7/25/2022 Reference Rate and SOFR + 8.75% Interest Rate 13.27%                      
Investment, par [1],[4]   $ 32,907,000                  
Investment due date [1],[4]   2028-07                  
Initial Acquisition Date [1],[4]   Jul. 25, 2022                  
Reference Rate [1],[4]   8.75%         8.75% 8.75% 8.75% 8.75%  
Interest Rate [1],[4]   13.27%         13.27% 13.27% 13.27% 13.27%  
Investments at amortized cost [1],[4]   $ 32,091,000                  
Total investments at fair value [1],[4]   $ 32,135,000                  
Percentage of Net Assets [1],[4]   2.40%         2.40% 2.40% 2.40% 2.40%  
Investment, Identifier [Axis]: Debt Investments Retail and Consumer Products Cordance Operations, LLC First-lien loan ($49,543 par, due 7/2028) Initial Acquisition Date 7/25/2022 Reference Rate and Spread SOFR + 9.25% Interest Rate 14.66%                      
Investment, par [1],[4] $ 49,543,000                    
Investment due date [1],[4] 2028-07                    
Initial Acquisition Date [1],[4] Jul. 25, 2022                    
Reference Rate [1],[4] 9.25%   9.25% 9.25% 9.25% 9.25%          
Interest Rate [1],[4] 14.66%   14.66% 14.66% 14.66% 14.66%          
Investments at amortized cost [1],[2],[3],[4] $ 48,641,000                    
Total investments at fair value [1],[4],[5] $ 49,801,000                    
Percentage of Net Assets [1],[4] 3.20%   3.20% 3.20% 3.20% 3.20%          
Investment, Identifier [Axis]: Debt Investments Retail and Consumer Products Neuintel, LLC First-lien loan ($56,400 par, due 12/2026) Initial Acquisition Date 12/20/2021 Reference Rate and Spread L + 6.25% Interest Rate 10.76%                      
Investment, par [1],[4],[6]   $ 56,400,000                  
Investment due date [1],[4],[6]   2026-12                  
Initial Acquisition Date [1],[4],[6]   Dec. 20, 2021                  
Reference Rate [1],[4],[6]   6.25%         6.25% 6.25% 6.25% 6.25%  
Interest Rate [1],[4],[6]   10.76%         10.76% 10.76% 10.76% 10.76%  
Investments at amortized cost [1],[4],[6]   $ 55,414,000                  
Total investments at fair value [1],[4],[6]   $ 55,272,000                  
Percentage of Net Assets [1],[4],[6]   4.10%         4.10% 4.10% 4.10% 4.10%  
Investment, Identifier [Axis]: Debt Investments Retail and Consumer Products Neuintel, LLC First-lien loan ($57,701 par, due 12/2026) Initial Acquisition Date 12/20/2021 Reference Rate and Spread SOFR + 7.65% Interest Rate 13.03%                      
Investment, par [1],[4],[6] $ 57,701,000                    
Investment due date [1],[4],[6] 2026-12                    
Initial Acquisition Date [1],[4],[6] Dec. 20, 2021                    
Reference Rate [1],[4],[6] 7.65%   7.65% 7.65% 7.65% 7.65%          
Interest Rate [1],[4],[6] 13.03%   13.03% 13.03% 13.03% 13.03%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 56,923,000                    
Total investments at fair value [1],[4],[5],[6] $ 58,134,000                    
Percentage of Net Assets [1],[4],[6] 3.90%   3.90% 3.90% 3.90% 3.90%          
Investment, Identifier [Axis]: Debt Investments Retail and Consumer Products Project P Intermediate 2, LLC ABL FILO term loan ($73,125 par, due 5/2026) Initial Acquisition Date 11/8/2021 Reference Rate and Spread L + 8.00% Interest Rate 12.41%                      
Investment, par [1],[4]   $ 73,125,000                  
Investment due date [1],[4]   2026-05                  
Initial Acquisition Date [1],[4]   Nov. 08, 2021                  
Reference Rate [1],[4]   8.00%         8.00% 8.00% 8.00% 8.00%  
Interest Rate [1],[4]   12.41%         12.41% 12.41% 12.41% 12.41%  
Investments at amortized cost [1],[4]   $ 71,976,000                  
Total investments at fair value [1],[4]   $ 72,943,000                  
Percentage of Net Assets [1],[4]   5.40%         5.40% 5.40% 5.40% 5.40%  
Investment, Identifier [Axis]: Debt Investments Retail and Consumer Products Rapid Data GmbH Unternehmensberatung, First-lien loan (EUR 4,495 par, due 7/2029), Initial Acquisition Date 7/11/2023 Reference Rate and Spread E + 6.50% Interest Rate 10.48%                      
Investment, par | € [1],[4],[12]       € 4,495              
Investment due date [1],[4],[12] 2029-07                    
Initial Acquisition Date [1],[4],[12] Jul. 11, 2023                    
Reference Rate [1],[4],[12] 6.50%   6.50% 6.50% 6.50% 6.50%          
Interest Rate [1],[4],[12] 10.48%   10.48% 10.48% 10.48% 10.48%          
Investments at amortized cost [1],[2],[3],[4],[12] $ 4,676,000                    
Total investments at fair value [1],[4],[5],[12] $ 4,853,000     € 4,393              
Percentage of Net Assets [1],[4],[12] 0.30%   0.30% 0.30% 0.30% 0.30%          
Investment, Identifier [Axis]: Debt Investments Retail and Consumer Products Tango Management Consulting, LLC First-lien loan ($44,674 par, due 12/2027) Initial Acquisition Date 12/1/2021 Reference Rate and Spread L + 6.75% Interest Rate 10.49%                      
Investment, par [1],[4],[6]   $ 44,674,000                  
Investment due date [1],[4],[6]   2027-12                  
Initial Acquisition Date [1],[4],[6]   Dec. 01, 2021                  
Reference Rate [1],[4],[6]   6.75%         6.75% 6.75% 6.75% 6.75%  
Interest Rate [1],[4],[6]   10.49%         10.49% 10.49% 10.49% 10.49%  
Investments at amortized cost [1],[4],[6]   $ 43,752,000                  
Total investments at fair value [1],[4],[6]   $ 42,997,000                  
Percentage of Net Assets [1],[4],[6]   3.20%         3.20% 3.20% 3.20% 3.20%  
Investment, Identifier [Axis]: Debt Investments Retail and Consumer Products Tango Management Consulting, LLC First-lien loan ($57,007 par, due 12/2027) Initial Acquisition Date 12/1/2021 Reference Rate and Spread SOFR + 6.85% Interest Rate 12.02%                      
Investment, par [1],[4],[6] $ 57,007,000                    
Investment due date [1],[4],[6] 2027-12                    
Initial Acquisition Date [1],[4],[6] Dec. 01, 2021                    
Reference Rate [1],[4],[6] 6.85%   6.85% 6.85% 6.85% 6.85%          
Interest Rate [1],[4],[6] 12.20%   12.20% 12.20% 12.20% 12.20%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 56,247,000                    
Total investments at fair value [1],[4],[5],[6] $ 56,703,000                    
Percentage of Net Assets [1],[4],[6] 3.80%   3.80% 3.80% 3.80% 3.80%          
Investment, Identifier [Axis]: Debt Investments Transportation Project44, Inc. First-lien loan ($35,139 par, due 11/2027) Initial Acquisition Date 11/12/2021 Reference Rate and Spread L + 6.25% Interest Rate 11.41%                      
Investment, par [1],[4],[6]   $ 35,139,000                  
Investment due date [1],[4],[6]   2027-11                  
Initial Acquisition Date [1],[4],[6]   Nov. 12, 2021                  
Reference Rate [1],[4],[6]   6.25%         6.25% 6.25% 6.25% 6.25%  
Interest Rate [1],[4],[6]   11.41%         11.41% 11.41% 11.41% 11.41%  
Investments at amortized cost [1],[4],[6]   $ 34,043,000                  
Total investments at fair value [1],[4],[6]   $ 33,901,000                  
Percentage of Net Assets [1],[4],[6]   2.50%         2.50% 2.50% 2.50% 2.50%  
Investment, Identifier [Axis]: Debt Investments, Manufacturing,                      
Investments at amortized cost [1],[2],[3] $ 81,403,000                    
Total investments at fair value [1],[5] $ 83,215,000                    
Percentage of Net Assets [1] 5.70%   5.70% 5.70% 5.70% 5.70%          
Investment, Identifier [Axis]: Debt Investments, Manufacturing, ASP Unifrax Holdings, Inc, First lien loan ($1,130 par, due 12/2025) Initial Acquisition Date 8/25/2023 Reference Rate and Spread SOFR + 3.90% Interest Rate 9.25%                      
Investment, par [1],[4],[5] $ (1,130,000)                    
Investment due date [1],[4],[5] 2025-12                    
Initial Acquisition Date [1],[5] Aug. 25, 2023                    
Reference Rate [1],[5] 3.90%   3.90% 3.90% 3.90% 3.90%          
Interest Rate [1],[5] 9.25%   9.25% 9.25% 9.25% 9.25%          
Investments at amortized cost [1],[2],[3],[5] $ 1,053,000                    
Total investments at fair value [1],[5] $ 1,051,000                    
Percentage of Net Assets [1],[5] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Debt Investments, Manufacturing, ASP Unifrax Holdings, Inc, First-lien loan (EUR 1,023 par, due 12/2025) Initial Acquisition Date 9/14/2023 Reference Rate and Spread E + 3.75% Interest Rate 7.68%                      
Investment, par | € [1],[4],[5]       € 1,023              
Investment due date [1],[4],[5] 2025-12                    
Initial Acquisition Date [1],[5] Sep. 14, 2023                    
Reference Rate [1],[5] 3.75%   3.75% 3.75% 3.75% 3.75%          
Interest Rate [1],[5] 7.68%   7.68% 7.68% 7.68% 7.68%          
Investments at amortized cost [1],[2],[3],[5] $ 998,000                    
Total investments at fair value [1],[5] $ 1,030,000     € 932              
Percentage of Net Assets [1],[5] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Debt Investments, Manufacturing, ASP Unifrax Holdings, Inc, Secured Note ($91 par, due 9/2028) Initial Acquisition Date 12/19/2023 Reference Rate and Spread 5.25% Interest Rate 5.25%                      
Investment, par [1],[5] $ 91,000                    
Investment due date [1],[5] 2028-09                    
Initial Acquisition Date [1],[5] Dec. 19, 2023                    
Reference Rate [1],[5] 5.25%   5.25% 5.25% 5.25% 5.25%          
Interest Rate [1],[5] 5.25%   5.25% 5.25% 5.25% 5.25%          
Investments at amortized cost [1],[2],[3],[5] $ 62,000                    
Total investments at fair value [1],[5] $ 66,000                    
Percentage of Net Assets [1],[5] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, Identifier [Axis]: Debt Investments, Manufacturing, Avalara, Inc, First-lien loan ($38,636 par, due 10/2028), Initial Acquisition Date10/19/2022, Reference Rate and Spread, SOFR + 7.25%, Interest Rate 12.60%                      
Investment, par [1],[4] $ 38,636,000                    
Investment due date [1],[4] 2028-10                    
Initial Acquisition Date [1],[4] Oct. 19, 2022                    
Reference Rate [1],[4] 7.25%   7.25% 7.25% 7.25% 7.25%          
Interest Rate [1],[4] 12.60%   12.60% 12.60% 12.60% 12.60%          
Investments at amortized cost [1],[2],[3],[4] $ 37,736,000                    
Total investments at fair value [1],[4],[5] $ 38,743,000                    
Percentage of Net Assets [1],[4] 2.60%   2.60% 2.60% 2.60% 2.60%          
Investment, Identifier [Axis]: Debt Investments, Manufacturing, First-lien loan (EUR 4,851 par, due 9/2030), Initial Acquisition Date 9/7/2023, Reference Rate and Spread, E + 6.25%, Interest Rate 10.18%                      
Investment, par | € [1],[4],[12]       € 4,851              
Investment due date [1],[4],[12] 2030-09                    
Initial Acquisition Date [1],[4],[12] Sep. 07, 2023                    
Reference Rate [1],[4],[12] 6.25%   6.25% 6.25% 6.25% 6.25%          
Interest Rate [1],[4],[12] 10.18%   10.18% 10.18% 10.18% 10.18%          
Investments at amortized cost [1],[2],[3],[4],[12] $ 5,055,000                    
Total investments at fair value [1],[4],[5],[12] $ 5,238,000     € 4,742              
Percentage of Net Assets [1],[4],[12] 0.40%   0.40% 0.40% 0.40% 0.40%          
Investment, Identifier [Axis]: Debt Investments, Manufacturing, Skylark UK DebtCo Limited, First-lien loan ($16,340 par, due 9/2030), Initial Acquisition Date 9/7/2023, Reference Rate and Spread, SOFR + 6.25%, Interest Rate 11.60%                      
Investment, par [1],[4],[12] $ 16,340,000                    
Investment due date [1],[4],[12] 2030-09                    
Initial Acquisition Date [1],[4],[12] Sep. 07, 2023                    
Reference Rate [1],[4],[12] 6.25%   6.25% 6.25% 6.25% 6.25%          
Interest Rate [1],[4],[12] 11.60%   11.60% 11.60% 11.60% 11.60%          
Investments at amortized cost [1],[2],[3],[4],[12] $ 15,722,000                    
Total investments at fair value [1],[4],[5],[12] $ 15,812,000                    
Percentage of Net Assets [1],[4],[12] 1.10%   1.10% 1.10% 1.10% 1.10%          
Investment, Identifier [Axis]: Debt Investments, Manufacturing, Unsecured Note ($1,059 par, due 9/2029), Initial Acquisition Date 8/31/2023, Reference Rate and Spread, 7.50%, Interest Rate 7.50%                      
Investment, par [1],[5] $ 1,059,000                    
Investment due date [1],[5] 2029-09                    
Initial Acquisition Date [1],[5] Aug. 31, 2023                    
Reference Rate [1],[5] 7.50%   7.50% 7.50% 7.50% 7.50%          
Interest Rate [1],[5] 7.50%   7.50% 7.50% 7.50% 7.50%          
Investments at amortized cost [1],[2],[3],[5] $ 570,000                    
Total investments at fair value [1],[5] $ 540,000                    
Percentage of Net Assets [1],[5] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, Identifier [Axis]: Debt Investments, Manufacturing,First-lien loan (GBP 16,640 par, due 9/2030), Initial Acquisition Date 9/7/2023, Reference Rate and Spread, S + 6.25%, Interest Rate 11.52%                      
Investment, par | £ [1],[4],[12]         £ 16,640            
Investment due date [1],[4],[12] 2030-09                    
Initial Acquisition Date [1],[4],[12] Sep. 07, 2023                    
Reference Rate [1],[4],[12] 6.25%   6.25% 6.25% 6.25% 6.25%          
Interest Rate [1],[4],[12] 11.52%   11.52% 11.52% 11.52% 11.52%          
Investments at amortized cost [1],[2],[3],[4],[12] $ 20,207,000                    
Total investments at fair value [1],[4],[5],[12] $ 20,735,000       £ 16,265            
Percentage of Net Assets [1],[4],[12] 1.40%   1.40% 1.40% 1.40% 1.40%          
Investment, Identifier [Axis]: Debt Investments, Transportation                      
Investments at amortized cost [1],[2],[3] $ 66,748,000                    
Total investments at fair value [1],[5] $ 68,108,000                    
Percentage of Net Assets [1] 4.50%   4.50% 4.50% 4.50% 4.50%          
Investment, Identifier [Axis]: Debt Investments, Transportation, First-lien revolving loan ($1,667 par, due 8/2029), Initial Acquisition Date 8/11/2023, Reference Rate and Spread, SOFR + 7.00%, Interest Rate 12.18%                      
Investment, par [1],[4],[12] $ 1,667,000                    
Investment due date [1],[4],[12] 2029-08                    
Initial Acquisition Date [1],[4],[12] Aug. 11, 2023                    
Reference Rate [1],[4],[12] 7.00%   7.00% 7.00% 7.00% 7.00%          
Interest Rate [1],[4],[12] 12.18%   12.18% 12.18% 12.18% 12.18%          
Investments at amortized cost [1],[2],[3],[4],[12] $ 1,589,000                    
Total investments at fair value [1],[4],[5],[12] $ 1,625,000                    
Percentage of Net Assets [1],[4],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Debt Investments, Transportation, Marcura Equities LTD, Inc, First-lien revolving loan ($32,007 par, due 8/2029), Initial Acquisition Date 8/11/2023, Reference Rate and Spread, SOFR + 7.00%, Interest Rate 12.18%                      
Investment, par [1],[4],[12] $ 32,007,000                    
Investment due date [1],[4],[12] 2029-08                    
Initial Acquisition Date [1],[4],[12] Aug. 11, 2023                    
Reference Rate [1],[4],[12] 7.00%   7.00% 7.00% 7.00% 7.00%          
Interest Rate [1],[4],[12] 12.18%   12.18% 12.18% 12.18% 12.18%          
Investments at amortized cost [1],[2],[3],[4],[12] $ 31,020,000                    
Total investments at fair value [1],[4],[5],[12] $ 31,482,000                    
Percentage of Net Assets [1],[4],[12] 2.10%   2.10% 2.10% 2.10% 2.10%          
Investment, Identifier [Axis]: Debt Investments, Transportation, Project44, Inc, First-lien revolving loan ($35,139 par, due 11/2027), Initial Acquisition Date 11/12/2021, Reference Rate and Spread, SOFR + 6.40%, Interest Rate 11.78%                      
Investment, par [1],[4],[6] $ 35,139,000                    
Investment due date [1],[4],[6] 2027-11                    
Initial Acquisition Date [1],[4],[6] Nov. 12, 2021                    
Reference Rate [1],[4],[6] 6.40%   6.40% 6.40% 6.40% 6.40%          
Interest Rate [1],[4],[6] 11.78%   11.78% 11.78% 11.78% 11.78%          
Investments at amortized cost [1],[2],[3],[4],[6] $ 34,139,000                    
Total investments at fair value [1],[4],[5],[6] $ 35,001,000                    
Percentage of Net Assets [1],[4],[6] 2.30%   2.30% 2.30% 2.30% 2.30%          
Investment, Identifier [Axis]: Derivative Interest Rate Swap                      
Notional value $ 952,500,000 $ 802,500,000                  
Fair Market Value 23,979,000 2,472,000                  
Upfront (Payments) / Receipts   2,380,000                  
Change in Unrealized Gains / (Losses) $ 23,243,000 $ (55,965,000)                  
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Interest Expense, Unrealized Gain (Loss) on Derivatives Interest Expense, Unrealized Gain (Loss) on Derivatives                  
Investment, Identifier [Axis]: Equity and Other Investments                      
Investments at amortized cost [3] $ 205,488,000 [1],[2] $ 195,169,000 [7],[16]                  
Total investments at fair value $ 211,442,000 [1],[5] $ 219,111,000 [2],[7]                  
Percentage of Net Assets 14.10% [1] 16.80% [7] 14.10% [1] 14.10% [1] 14.10% [1] 14.10% [1] 16.80% [7] 16.80% [7] 16.80% [7] 16.80% [7]  
Investment, Identifier [Axis]: Equity and Other Investments Business Services                      
Investments at amortized cost $ 19,707,000 [1],[2],[3] $ 14,785,000 [7],[9],[10]                  
Total investments at fair value $ 17,819,000 [1],[5] $ 17,131,000 [7],[11]                  
Percentage of Net Assets 1.20% [1] 1.30% [7] 1.20% [1] 1.20% [1] 1.20% [1] 1.20% [1] 1.30% [7] 1.30% [7] 1.30% [7] 1.30% [7]  
Investment, Identifier [Axis]: Equity and Other Investments Business Services Artisan Topco LP Class A Preferred Units (2,117,264 units) Initial Acquisition Date 11/7/2023                      
Initial Acquisition Date [1],[21],[22] Nov. 07, 2023                    
Investments at amortized cost [1],[2],[3],[21],[22] $ 2,117,000                    
Total investments at fair value [1],[5],[21],[22] $ 2,117,000                    
Percentage of Net Assets [1],[21],[22] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, shares | shares [1],[21],[22] 2,117,264   2,117,264 2,117,264 2,117,264 2,117,264          
Investment, Identifier [Axis]: Equity and Other Investments Business Services Dye & Durham, Ltd. Common Shares (126,968 shares) Initial Acquisition Date 12/3/2021                      
Initial Acquisition Date Dec. 03, 2021 [1],[12],[23] Dec. 03, 2021 [7],[13],[24]                  
Investments at amortized cost $ 3,909,000 [1],[2],[3],[12],[23] $ 3,909,000 [7],[9],[10],[13],[24]                  
Total investments at fair value $ 1,383,000 [1],[5],[12],[23] $ 1,538,000 [7],[11],[13],[24] $ 1,823 [1],[5],[12],[23]       $ 2,284 [7],[11],[13],[24]        
Percentage of Net Assets 0.10% [1],[12],[23] 0.10% [7],[13],[24] 0.10% [1],[12],[23] 0.10% [1],[12],[23] 0.10% [1],[12],[23] 0.10% [1],[12],[23] 0.10% [7],[13],[24] 0.10% [7],[13],[24] 0.10% [7],[13],[24] 0.10% [7],[13],[24]  
Investment, shares | shares 126,968 [1],[12],[23] 126,968 [7],[13],[24] 126,968 [1],[12],[23] 126,968 [1],[12],[23] 126,968 [1],[12],[23] 126,968 [1],[12],[23] 126,968 [7],[13],[24] 126,968 [7],[13],[24] 126,968 [7],[13],[24] 126,968 [7],[13],[24]  
Investment, Identifier [Axis]: Equity and Other Investments Business Services Mitnick TA Aggregator, L.P. Membership Interest (0.43% ownership) Initial Acquisition Date 5/2/2022                      
Initial Acquisition Date [1],[22] May 02, 2022                    
Investments at amortized cost [1],[2],[3],[22] $ 5,243,000                    
Total investments at fair value [1],[5],[22] $ 4,496,000                    
Percentage of Net Assets [1],[22] 0.30%   0.30% 0.30% 0.30% 0.30%          
Partnership/Membership interest of ownership [1],[22] 0.43%   0.43% 0.43% 0.43% 0.43%          
Investment, Identifier [Axis]: Equity and Other Investments Business Services Mitnick TA Aggregator, LP Membership Interest (0.43% ownership) Initial Acquisition Date 5/2/2022                      
Initial Acquisition Date [7],[25],[26],[27]   May 02, 2022                  
Investments at amortized cost [7],[9],[10],[25],[26],[27]   $ 5,243,000                  
Total investments at fair value [7],[11],[25],[26],[27]   $ 5,243,000                  
Percentage of Net Assets [7],[25],[26],[27]   0.40%         0.40% 0.40% 0.40% 0.40%  
Partnership/Membership interest of ownership [7],[25],[26],[27]   (0.43%)         (0.43%) (0.43%) (0.43%) (0.43%)  
Investment, Identifier [Axis]: Equity and Other Investments Business Services Newark FP Co-Invest, L.P. Partnership (2,527,719 units) Initial Acquisition Date 11/8/2023                      
Initial Acquisition Date [1],[21],[22] Nov. 08, 2023                    
Investments at amortized cost [1],[2],[3],[21],[22] $ 2,532,000                    
Total investments at fair value [1],[5],[21],[22] $ 2,532,000                    
Percentage of Net Assets [1],[21],[22] 0.20%   0.20% 0.20% 0.20% 0.20%          
Investment, shares | shares [1],[21],[22] 2,527,719   2,527,719 2,527,719 2,527,719 2,527,719          
Investment, Identifier [Axis]: Equity and Other Investments Business Services ReliaQuest, LLC 90,634 Warrants Initial Acquisition Date 12/20/2023                      
Initial Acquisition Date [1],[22],[28] Dec. 20, 2023                    
Investments at amortized cost [1],[2],[3],[22],[28] $ 102,000                    
Total investments at fair value [1],[5],[22],[28] $ 102,000                    
Percentage of Net Assets [1],[22],[28] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, shares | shares [1],[22],[28] 90,634   90,634 90,634 90,634 90,634          
Investment, Identifier [Axis]: Equity and Other Investments Business Services ReliaQuest, LLC Class A-1 Units (567,683 units) Initial Acquisition Date 11/23/2021                      
Initial Acquisition Date [7],[26],[27]   Nov. 23, 2021                  
Investments at amortized cost [7],[9],[10],[26],[27]   $ 1,120,000                  
Total investments at fair value [7],[11],[26],[27]   $ 1,512,000                  
Percentage of Net Assets [7],[26],[27]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, shares | shares [7],[26],[27]   567,683         567,683 567,683 567,683 567,683  
Investment, Identifier [Axis]: Equity and Other Investments Business Services ReliaQuest, LLC Class A-1 Units (637,713 units) Initial Acquisition Date 11/23/2021                      
Initial Acquisition Date [1],[22],[28] Nov. 23, 2021                    
Investments at amortized cost [1],[2],[3],[22],[28] $ 1,120,000                    
Total investments at fair value [1],[5],[22],[28] $ 1,414,000                    
Percentage of Net Assets [1],[22],[28] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, shares | shares [1],[22],[28] 637,713   637,713 637,713 637,713 637,713          
Investment, Identifier [Axis]: Equity and Other Investments Business Services ReliaQuest, LLC Class A-2 Units (2,580 units) Initial Acquisition Date 6/21/2022                      
Initial Acquisition Date [7],[26],[27]   Jun. 21, 2022                  
Investments at amortized cost [7],[9],[10],[26],[27]   $ 6,000                  
Total investments at fair value [7],[11],[26],[27]   $ 9,000                  
Percentage of Net Assets [7],[26],[27]   0.00%         0.00% 0.00% 0.00% 0.00%  
Investment, shares | shares [7],[26],[27]   2,580         2,580 2,580 2,580 2,580  
Investment, Identifier [Axis]: Equity and Other Investments Business Services ReliaQuest, LLC Class A-2 Units (2,989 units) Initial Acquisition Date 6/21/2022                      
Initial Acquisition Date [1],[22],[28] Nov. 10, 2023                    
Investments at amortized cost [1],[2],[3],[22],[28] $ 36,000                    
Total investments at fair value [1],[5],[22],[28] $ 46,000                    
Percentage of Net Assets [1],[22],[28] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, shares | shares [1],[22],[28] 16,957   16,957 16,957 16,957 16,957          
Investment, Identifier [Axis]: Equity and Other Investments Business Services ReliaQuest, LLC Class A-3 Units (16,957 units) Initial Acquisition Date 11/10/2023                      
Initial Acquisition Date [1],[22],[28] Jun. 21, 2022                    
Investments at amortized cost [1],[2],[3],[22],[28] $ 6,000                    
Total investments at fair value [1],[5],[22],[28] $ 8,000                    
Percentage of Net Assets [1],[22],[28] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, shares | shares [1],[21],[22],[28] 2,989   2,989 2,989 2,989 2,989          
Investment, Identifier [Axis]: Equity and Other Investments Business Services ReliaQuest, LLC Series A Preferred Sotck (1,667 Units) Initial Acquisition Date 12/20/2023                      
Initial Acquisition Date [1],[28] Dec. 20, 2023                    
Investments at amortized cost [1],[2],[3],[28] $ 1,502,000                    
Total investments at fair value [1],[5],[28] $ 1,504,000                    
Percentage of Net Assets [1],[28] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, shares | shares [1],[21],[28] 1,667   1,667 1,667 1,667 1,667          
Investment, Identifier [Axis]: Equity and Other Investments Business Services Sprinklr, Inc. Common Shares (315,005 shares) Initial Acquisition Date 6/24/2021                      
Initial Acquisition Date [1],[22],[23] Jun. 24, 2021                    
Investments at amortized cost [1],[2],[3],[22],[23] $ 2,716,000                    
Total investments at fair value [1],[5],[22],[23] $ 3,793,000                    
Percentage of Net Assets [1],[22],[23] 0.30%   0.30% 0.30% 0.30% 0.30%          
Investment, shares | shares [1],[22],[23] 315,005   315,005 315,005 315,005 315,005          
Investment, Identifier [Axis]: Equity and Other Investments Business Services Sprinklr, Inc. Common Shares (484,700 shares) Initial Acquisition Date 6/24/2021                      
Initial Acquisition Date [7],[24],[27]   Jun. 24, 2021                  
Investments at amortized cost [7],[9],[10],[24],[27]   $ 4,180,000                  
Total investments at fair value [7],[11],[24],[27]   $ 3,960,000                  
Percentage of Net Assets [7],[24],[27]   0.30%         0.30% 0.30% 0.30% 0.30%  
Investment, shares | shares [7],[24],[27]   484,700         484,700 484,700 484,700 484,700  
Investment, Identifier [Axis]: Equity and Other Investments Business Services Warrior TopCo LP Class A Units (423,728 units) Initial Acquisition Date 7/7/2023                      
Initial Acquisition Date [1],[21],[22] Jul. 07, 2023                    
Investments at amortized cost [1],[2],[3],[21],[22] $ 424,000                    
Total investments at fair value [1],[5],[21],[22] $ 424,000                    
Percentage of Net Assets [1],[21],[22] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, shares | shares [1],[21],[22] 423,728   423,728 423,728 423,728 423,728          
Investment, Identifier [Axis]: Equity and Other Investments Business Services WideOrbit, Inc. 1,567,807 Warrants Initial Acquisition Date 7/8/2020                      
Initial Acquisition Date [7],[27]   Jul. 08, 2020                  
Investments at amortized cost [7],[9],[10],[27]   $ 327,000                  
Total investments at fair value [7],[11],[27]   $ 4,869,000                  
Percentage of Net Assets [7],[27]   0.40%         0.40% 0.40% 0.40% 0.40%  
Investment, shares | shares [7],[27]   1,567,807         1,567,807 1,567,807 1,567,807 1,567,807  
Investment, Identifier [Axis]: Equity and Other Investments Communications                      
Investments at amortized cost $ 6,174,000 [1],[2],[3],[22] $ 6,174,000 [7],[9],[10]                  
Total investments at fair value $ 5,306,000 [1],[5],[22] $ 4,967,000 [7],[11]                  
Percentage of Net Assets 0.30% [1],[22] 0.30% [7] 0.30% [1],[22] 0.30% [1],[22] 0.30% [1],[22] 0.30% [1],[22] 0.30% [7] 0.30% [7] 0.30% [7] 0.30% [7]  
Investment, Identifier [Axis]: Equity and Other Investments Communications Celtra Technologies, Inc. Class A Units (1,250,000 units) Initial Acquisition Date 11/19/2021                      
Initial Acquisition Date Nov. 19, 2021 [1],[22] Nov. 19, 2021 [7],[27]                  
Investments at amortized cost $ 1,250,000 [1],[2],[3],[22] $ 1,250,000 [7],[9],[10],[27]                  
Total investments at fair value $ 1,250,000 [1],[5],[22] $ 1,250,000 [7],[11],[27]                  
Percentage of Net Assets 0.10% [1],[22] 0.10% [7],[27] 0.10% [1],[22] 0.10% [1],[22] 0.10% [1],[22] 0.10% [1],[22] 0.10% [7],[27] 0.10% [7],[27] 0.10% [7],[27] 0.10% [7],[27]  
Investment, shares | shares 1,250,000 [1],[22] 1,250,000 [7],[27] 1,250,000 [1],[22] 1,250,000 [1],[22] 1,250,000 [1],[22] 1,250,000 [1],[22] 1,250,000 [7],[27] 1,250,000 [7],[27] 1,250,000 [7],[27] 1,250,000 [7],[27]  
Investment, Identifier [Axis]: Equity and Other Investments Communications IntelePeer Holdings, Inc. 106,592 Series D Warrants Initial Acquisition Date 4/8/2021                      
Initial Acquisition Date [1],[22] Apr. 08, 2021                    
Percentage of Net Assets [1],[22] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, shares | shares [1],[22] 106,592   106,592 106,592 106,592 106,592          
Investment, Identifier [Axis]: Equity and Other Investments Communications IntelePeer Holdings, Inc. 106,592 Warrants Initial Acquisition Date 4/8/2021                      
Initial Acquisition Date [7],[27]   Apr. 08, 2021                  
Percentage of Net Assets [7],[27]   0.00%         0.00% 0.00% 0.00% 0.00%  
Investment, shares | shares [7],[27]   106,592         106,592 106,592 106,592 106,592  
Investment, Identifier [Axis]: Equity and Other Investments Communications IntelePeer Holdings, Inc. 280,000 Series C Warrants Initial Acquisition Date 2/28/2020                      
Initial Acquisition Date [1],[22] Feb. 28, 2020                    
Investments at amortized cost [1],[2],[3],[22] $ 183,000                    
Percentage of Net Assets [1],[22] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, shares | shares [1],[22] 280,000   280,000 280,000 280,000 280,000          
Investment, Identifier [Axis]: Equity and Other Investments Communications IntelePeer Holdings, Inc. 280,000 Warrants Initial Acquisition Date 2/28/2020                      
Initial Acquisition Date [7],[27]   Feb. 28, 2020                  
Investments at amortized cost [7],[9],[10],[27]   $ 183,000                  
Percentage of Net Assets [7],[27]   0.00%         0.00% 0.00% 0.00% 0.00%  
Investment, shares | shares [7],[27]   280,000         280,000 280,000 280,000 280,000  
Investment, Identifier [Axis]: Equity and Other Investments Communications IntelePeer Holdings, Inc. Series C Preferred Shares (1,816,295 shares) Initial Acquisition Date 4/8/2021                      
Initial Acquisition Date Apr. 08, 2021 [1],[22] Apr. 08, 2021 [7],[27]                  
Investments at amortized cost $ 1,816,000 [1],[2],[3],[22] $ 1,816,000 [7],[9],[10],[27]                  
Total investments at fair value $ 1,957,000 [1],[5],[22] $ 1,794,000 [7],[11],[27]                  
Percentage of Net Assets 0.10% [1],[22] 0.10% [7],[27] 0.10% [1],[22] 0.10% [1],[22] 0.10% [1],[22] 0.10% [1],[22] 0.10% [7],[27] 0.10% [7],[27] 0.10% [7],[27] 0.10% [7],[27]  
Investment, shares | shares 1,816,295 [1],[22] 1,816,295 [7],[27] 1,816,295 [1],[22] 1,816,295 [1],[22] 1,816,295 [1],[22] 1,816,295 [1],[22] 1,816,295 [7],[27] 1,816,295 [7],[27] 1,816,295 [7],[27] 1,816,295 [7],[27]  
Investment, Identifier [Axis]: Equity and Other Investments Communications IntelePeer Holdings, Inc. Series D Preferred Shares (1,598,874 shares) Initial Acquisition Date 4/8/2021                      
Initial Acquisition Date Apr. 08, 2021 [1],[22] Apr. 08, 2021 [7],[27]                  
Investments at amortized cost $ 2,925,000 [1],[2],[3],[22] $ 2,925,000 [7],[9],[10],[27]                  
Total investments at fair value $ 2,099,000 [1],[5],[22] $ 1,923,000 [7],[11],[27]                  
Percentage of Net Assets 0.10% [1],[22] 0.10% [7],[27] 0.10% [1],[22] 0.10% [1],[22] 0.10% [1],[22] 0.10% [1],[22] 0.10% [7],[27] 0.10% [7],[27] 0.10% [7],[27] 0.10% [7],[27]  
Investment, shares | shares 1,598,874 [1],[22] 1,598,874 [7],[27] 1,598,874 [1],[22] 1,598,874 [1],[22] 1,598,874 [1],[22] 1,598,874 [1],[22] 1,598,874 [7],[27] 1,598,874 [7],[27] 1,598,874 [7],[27] 1,598,874 [7],[27]  
Investment, Identifier [Axis]: Equity and Other Investments Education                      
Investments at amortized cost $ 9,777,000 [1],[2],[3],[22] $ 9,778,000 [7],[9],[10]                  
Total investments at fair value $ 6,526,000 [1],[5],[22] $ 8,508,000 [7],[11]                  
Percentage of Net Assets 0.50% [1],[22] 0.70% [7] 0.50% [1],[22] 0.50% [1],[22] 0.50% [1],[22] 0.50% [1],[22] 0.70% [7] 0.70% [7] 0.70% [7] 0.70% [7]  
Investment, Identifier [Axis]: Equity and Other Investments Education Astra 2L Holdings II LLC Membership Interest (10.17% ownership) Initial Acquisition Date 1/13/2022                      
Initial Acquisition Date Jan. 13, 2022 [1],[22] Jan. 13, 2022 [7],[25],[27]                  
Investments at amortized cost $ 3,255,000 [1],[2],[3],[22] $ 3,255,000 [7],[9],[10],[25],[27]                  
Total investments at fair value $ 309,000 [1],[5],[22] $ 2,555,000 [7],[11],[25],[27]                  
Percentage of Net Assets 0.00% [1],[22] 0.20% [7],[25],[27] 0.00% [1],[22] 0.00% [1],[22] 0.00% [1],[22] 0.00% [1],[22] 0.20% [7],[25],[27] 0.20% [7],[25],[27] 0.20% [7],[25],[27] 0.20% [7],[25],[27]  
Partnership/Membership interest of ownership 10.17% [1],[22] 10.17% [7],[25],[27] 10.17% [1],[22] 10.17% [1],[22] 10.17% [1],[22] 10.17% [1],[22] 10.17% [7],[25],[27] 10.17% [7],[25],[27] 10.17% [7],[25],[27] 10.17% [7],[25],[27]  
Investment, Identifier [Axis]: Equity and Other Investments Education EMS Linq, Inc. Class B Units (5,522,526 units) Initial Acquisition Date 12/22/2021                      
Initial Acquisition Date Dec. 22, 2021 [1],[22] Dec. 22, 2021 [7],[27]                  
Investments at amortized cost $ 5,522,000 [1],[2],[3],[22] $ 5,523,000 [7],[9],[10],[27]                  
Total investments at fair value $ 4,762,000 [1],[5],[22] $ 4,763,000 [7],[11],[27]                  
Percentage of Net Assets 0.40% [1],[22] 0.40% [7],[27] 0.40% [1],[22] 0.40% [1],[22] 0.40% [1],[22] 0.40% [1],[22] 0.40% [7],[27] 0.40% [7],[27] 0.40% [7],[27] 0.40% [7],[27]  
Investment, shares | shares 5,522,526 [1],[22] 5,522,526 [7],[27] 5,522,526 [1],[22] 5,522,526 [1],[22] 5,522,526 [1],[22] 5,522,526 [1],[22] 5,522,526 [7],[27] 5,522,526 [7],[27] 5,522,526 [7],[27] 5,522,526 [7],[27]  
Investment, Identifier [Axis]: Equity and Other Investments Education RMCF IV CIV XXXV, LP. Partnership Interest (11.94% ownership) Initial Acquisition Date 6/8/2021                      
Initial Acquisition Date Jun. 08, 2021 [1],[22] Jun. 08, 2021 [7],[27]                  
Investments at amortized cost $ 1,000,000 [1],[2],[3],[22] $ 1,000,000 [7],[9],[10],[27]                  
Total investments at fair value $ 1,455,000 [1],[5],[22] $ 1,190,000 [7],[11],[27]                  
Percentage of Net Assets 0.10% [1],[22] 0.10% [7],[27] 0.10% [1],[22] 0.10% [1],[22] 0.10% [1],[22] 0.10% [1],[22] 0.10% [7],[27] 0.10% [7],[27] 0.10% [7],[27] 0.10% [7],[27]  
Partnership/Membership interest of ownership 11.94% [1],[22] 11.94% [7],[27] 11.94% [1],[22] 11.94% [1],[22] 11.94% [1],[22] 11.94% [1],[22] 11.94% [7],[27] 11.94% [7],[27] 11.94% [7],[27] 11.94% [7],[27]  
Investment, Identifier [Axis]: Equity and Other Investments Financial Services                      
Investments at amortized cost [1],[3] $ 9,249,000 [2] $ 5,997,000 [16]                  
Total investments at fair value [1] $ 16,470,000 [5] $ 7,516,000 [2]                  
Percentage of Net Assets [1] 1.10% 0.50% 1.10% 1.10% 1.10% 1.10% 0.50% 0.50% 0.50% 0.50%  
Investment, Identifier [Axis]: Equity and Other Investments Financial Services AF Eagle Parent, L.P. Partnership (121,329 units) Initial Acquisition Date 11/27/2023                      
Initial Acquisition Date [1],[21],[22] Nov. 27, 2023                    
Investments at amortized cost [1],[2],[3],[21],[22] $ 4,091,000                    
Total investments at fair value [1],[5],[21],[22] $ 4,091,000                    
Percentage of Net Assets [1],[21],[22] 0.30%   0.30% 0.30% 0.30% 0.30%          
Investment, shares | shares [1],[21],[22] 121,329   121,329 121,329 121,329 121,329          
Investment, Identifier [Axis]: Equity and Other Investments Financial Services AvidXchange, Inc. Common Shares (200,721 shares) Initial Acquisition Date 10/15/2021                      
Initial Acquisition Date [1],[22],[23]   Oct. 15, 2021                  
Investments at amortized cost [1],[3],[16],[22],[23]   $ 1,022,000                  
Total investments at fair value [1],[2],[22],[23]   $ 1,995,000                  
Percentage of Net Assets [1],[22],[23]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, shares | shares [1],[22],[23]   200,721         200,721 200,721 200,721 200,721  
Investment, Identifier [Axis]: Equity and Other Investments Financial Services CLGF Holdco 2, LLC 334,682 Warrants Initial Acquisition Date 11/7/2023                      
Initial Acquisition Date [1],[21],[22] Nov. 07, 2023                    
Investments at amortized cost [1],[2],[3],[21],[22] $ 183,000                    
Total investments at fair value [1],[5],[21],[22] $ 183,000                    
Percentage of Net Assets [1],[21],[22] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, shares | shares [1],[21],[22] 334,682   334,682 334,682 334,682 334,682          
Investment, Identifier [Axis]: Equity and Other Investments Financial Services Newport Parent Holdings, L.P. Class A-2 Units (131,569 units) Initial Acquisition Date 12/10/2020                      
Initial Acquisition Date [1],[22] Dec. 10, 2020                    
Investments at amortized cost [1],[2],[3],[22] $ 4,177,000                    
Total investments at fair value [1],[5],[22] $ 11,591,000                    
Percentage of Net Assets [1],[22] 0.80%   0.80% 0.80% 0.80% 0.80%          
Investment, shares | shares [1],[22] 131,569   131,569 131,569 131,569 131,569          
Investment, Identifier [Axis]: Equity and Other Investments Financial Services Newport Parent Holdings, LP Class A-2 Units (131,569 units) Initial Acquisition Date 12/10/2020                      
Initial Acquisition Date [1],[22]   Dec. 10, 2020                  
Investments at amortized cost [1],[3],[16],[22]   $ 4,177,000                  
Total investments at fair value [1],[2],[22]   $ 4,845,000                  
Percentage of Net Assets [1],[22]   0.40%         0.40% 0.40% 0.40% 0.40%  
Investment, shares | shares [1],[22]   131,569         131,569 131,569 131,569 131,569  
Investment, Identifier [Axis]: Equity and Other Investments Financial Services Oxford Square Capital Corp. Common Shares (1,620 shares) Initial Acquisition Date 8/5/2015                      
Initial Acquisition Date [1],[12],[23] Aug. 05, 2015 Aug. 05, 2015                  
Investments at amortized cost [1],[3],[12],[23] $ 6,000 [2] $ 6,000 [16]                  
Total investments at fair value [1],[12],[23] $ 5,000 [5] $ 5,000 [2]                  
Percentage of Net Assets [1],[12],[23] 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%  
Investment, shares | shares [1],[12],[23] 1,620 1,620 1,620 1,620 1,620 1,620 1,620 1,620 1,620 1,620  
Investment, Identifier [Axis]: Equity and Other Investments Financial Services Passport Labs, Inc. 17,534 Warrants Initial Acquisition Date 4/28/2021                      
Initial Acquisition Date [1],[22] Apr. 28, 2021 Apr. 28, 2021 [28]                  
Investments at amortized cost [1],[3],[22] $ 192,000 [2] $ 192,000 [16],[28]                  
Total investments at fair value [1],[2],[22],[28]   $ 71,000                  
Percentage of Net Assets [1],[22] 0.00% 0.00% [28] 0.00% 0.00% 0.00% 0.00% 0.00% [28] 0.00% [28] 0.00% [28] 0.00% [28]  
Investment, shares | shares [1],[22] 17,534 17,534 [28] 17,534 17,534 17,534 17,534 17,534 [28] 17,534 [28] 17,534 [28] 17,534 [28]  
Investment, Identifier [Axis]: Equity and Other Investments Financial Services TradingScreen, Inc. Class A Units (600,000 units) Initial Acquisition Date 5/14/2021                      
Initial Acquisition Date [1],[22],[28] May 14, 2021 May 14, 2021                  
Investments at amortized cost [1],[3],[22],[28] $ 600,000 [2] $ 600,000 [16]                  
Total investments at fair value [1],[22],[28] $ 600,000 [5] $ 600,000 [2]                  
Percentage of Net Assets [1],[22],[28] 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00% 0.00%  
Investment, shares | shares [1],[22],[28] 600,000 600,000 600,000 600,000 600,000 600,000 600,000 600,000 600,000 600,000  
Investment, Identifier [Axis]: Equity and Other Investments Healthcare                      
Investments at amortized cost [1],[3] $ 25,922,000 [2] $ 21,389,000 [9]                  
Total investments at fair value [1] $ 30,280,000 [5] $ 22,104,000 [11]                  
Percentage of Net Assets [1] 2.00% 1.60% 2.00% 2.00% 2.00% 2.00% 1.60% 1.60% 1.60% 1.60%  
Investment, Identifier [Axis]: Equity and Other Investments Healthcare Caris Life Sciences, Inc. 569,991 Warrants Initial Acquisition Date 4/2/2020                      
Initial Acquisition Date [1],[22] Apr. 02, 2020 Apr. 02, 2020                  
Investments at amortized cost [1],[3],[22] $ 250,000 [2] $ 250,000 [9]                  
Total investments at fair value [1],[22] $ 885,000 [5] $ 959,000 [11]                  
Percentage of Net Assets [1],[22] 0.10% 0.10% 0.10% 0.10% 0.10% 0.10% 0.10% 0.10% 0.10% 0.10%  
Investment, shares | shares [1],[22] 569,991 569,991 569,991 569,991 569,991 569,991 569,991 569,991 569,991 569,991  
Investment, Identifier [Axis]: Equity and Other Investments Healthcare Caris Life Sciences, Inc. 633,376 Warrants Initial Acquisition Date 9/21/2018                      
Initial Acquisition Date [1],[22] Sep. 21, 2018 Sep. 21, 2018                  
Investments at amortized cost [1],[3],[22] $ 192,000 [2] $ 192,000 [9]                  
Total investments at fair value [1],[22] $ 1,187,000 [5] $ 1,270,000 [11]                  
Percentage of Net Assets [1],[22] 0.10% 0.10% 0.10% 0.10% 0.10% 0.10% 0.10% 0.10% 0.10% 0.10%  
Investment, shares | shares [1],[22] 633,376 633,376 633,376 633,376 633,376 633,376 633,376 633,376 633,376 633,376  
Investment, Identifier [Axis]: Equity and Other Investments Healthcare Caris Life Sciences, Inc. Series C Preferred Shares (1,915,114 shares) Initial Acquisition Date 10/13/2020                      
Initial Acquisition Date [1],[22] Oct. 13, 2020                    
Investments at amortized cost [1],[2],[3],[22] $ 3,500,000                    
Total investments at fair value [1],[5],[22] $ 6,676,000                    
Percentage of Net Assets [1],[22] 0.40%   0.40% 0.40% 0.40% 0.40%          
Investment, shares | shares [1],[22] 1,915,114   1,915,114 1,915,114 1,915,114 1,915,114          
Investment, Identifier [Axis]: Equity and Other Investments Healthcare Caris Life Sciences, Inc. Series C Preferred Shares (362,319 shares) Initial Acquisition Date 10/13/2020                      
Initial Acquisition Date [1],[22]   Oct. 13, 2020                  
Investments at amortized cost [1],[3],[9],[22]   $ 1,000,000                  
Total investments at fair value [1],[11],[22]   $ 1,310,000                  
Percentage of Net Assets [1],[22]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, shares | shares [1],[22]   362,319         362,319 362,319 362,319 362,319  
Investment, Identifier [Axis]: Equity and Other Investments Healthcare Caris Life Sciences, Inc. Series D Preferred Shares (1,240,740 shares) Initial Acquisition Date 5/11/2021                      
Initial Acquisition Date [1],[22] May 11, 2021 May 11, 2021                  
Investments at amortized cost [1],[3],[22] $ 10,050,000 [2] $ 10,050,000 [9]                  
Total investments at fair value [1],[22] $ 9,899,000 [5] $ 8,668,000 [11]                  
Percentage of Net Assets [1],[22] 0.70% 0.60% 0.70% 0.70% 0.70% 0.70% 0.60% 0.60% 0.60% 0.60%  
Investment, shares | shares [1],[22] 1,240,740 1,240,740 1,240,740 1,240,740 1,240,740 1,240,740 1,240,740 1,240,740 1,240,740 1,240,740  
Investment, Identifier [Axis]: Equity and Other Investments Healthcare Merative L.P. 989,691 Class A-1 Units Initial Acquisition Date 6/30/2022                      
Initial Acquisition Date [1]   Jun. 30, 2022                  
Investments at amortized cost [1],[3],[9]   $ 9,897,000                  
Total investments at fair value [1],[11]   $ 9,897,000                  
Percentage of Net Assets [1]   0.70%         0.70% 0.70% 0.70% 0.70%  
Investment, shares | shares [1]   989,691         989,691 989,691 989,691 989,691  
Investment, Identifier [Axis]: Equity and Other Investments Healthcare Merative Topco L.P. 989,691 Class A-1 Units Initial Acquisition Date 6/30/2022                      
Initial Acquisition Date [1],[22] Jun. 30, 2022                    
Investments at amortized cost [1],[2],[3],[22] $ 9,897,000                    
Total investments at fair value [1],[5],[22] $ 9,600,000                    
Percentage of Net Assets [1],[22] 0.60%   0.60% 0.60% 0.60% 0.60%          
Investment, shares | shares [1],[22] 989,691   989,691 989,691 989,691 989,691          
Investment, Identifier [Axis]: Equity and Other Investments Healthcare Raptor US Buyer II Corp. 20,268 Ordinary Shares Initial Acquisition Date 3/24/2023                      
Initial Acquisition Date [1],[21],[22] Mar. 24, 2023                    
Investments at amortized cost [1],[2],[3],[21],[22] $ 2,033,000                    
Total investments at fair value [1],[5],[21],[22] $ 2,033,000                    
Percentage of Net Assets [1],[21],[22] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, shares | shares [1],[21],[22] 20,268   20,268 20,268 20,268 20,268          
Investment, Identifier [Axis]: Equity and Other Investments Hotel, Gaming and Leisure                      
Investments at amortized cost $ 21,942,000 [1],[2],[3] $ 21,942,000 [7],[9],[10]                  
Total investments at fair value $ 2,324,000 [1],[5] $ 24,456,000 [7],[11]                  
Percentage of Net Assets 0.20% [1] 1.80% [7] 0.20% [1] 0.20% [1] 0.20% [1] 0.20% [1] 1.80% [7] 1.80% [7] 1.80% [7] 1.80% [7]  
Investment, Identifier [Axis]: Equity and Other Investments Hotel, Gaming and Leisure IRGSE Holding Corp. Class A Units (33,790,171 units) Initial Acquisition Date 12/21/2018                      
Initial Acquisition Date Dec. 21, 2018 [1],[16],[22] Dec. 21, 2018 [7],[27],[29]                  
Investments at amortized cost $ 21,842,000 [1],[2],[3],[16],[22] $ 21,842,000 [7],[9],[10],[27],[29]                  
Total investments at fair value $ 2,281,000 [1],[5],[16],[22] $ 24,413,000 [7],[11],[27],[29]                  
Percentage of Net Assets 0.20% [1],[16],[22] 1.80% [7],[27],[29] 0.20% [1],[16],[22] 0.20% [1],[16],[22] 0.20% [1],[16],[22] 0.20% [1],[16],[22] 1.80% [7],[27],[29] 1.80% [7],[27],[29] 1.80% [7],[27],[29] 1.80% [7],[27],[29]  
Investment, shares | shares 33,790,171 [1],[16],[22] 33,790,171 [7],[27],[29] 33,790,171 [1],[16],[22] 33,790,171 [1],[16],[22] 33,790,171 [1],[16],[22] 33,790,171 [1],[16],[22] 33,790,171 [7],[27],[29] 33,790,171 [7],[27],[29] 33,790,171 [7],[27],[29] 33,790,171 [7],[27],[29]  
Investment, Identifier [Axis]: Equity and Other Investments Hotel, Gaming and Leisure IRGSE Holding Corp. Class C-1 Units (8,800,000 units) Initial Acquisition Date 12/21/2018                      
Initial Acquisition Date Dec. 21, 2018 [1],[16],[22] Dec. 21, 2018 [7],[27],[29]                  
Investments at amortized cost $ 100,000 [1],[2],[3],[16],[22] $ 100,000 [7],[9],[10],[27],[29]                  
Total investments at fair value $ 43,000 [1],[5],[16],[22] $ 43,000 [7],[11],[27],[29]                  
Percentage of Net Assets 0.00% [1],[16],[22] 0.00% [7],[27],[29] 0.00% [1],[16],[22] 0.00% [1],[16],[22] 0.00% [1],[16],[22] 0.00% [1],[16],[22] 0.00% [7],[27],[29] 0.00% [7],[27],[29] 0.00% [7],[27],[29] 0.00% [7],[27],[29]  
Investment, shares | shares 8,800,000 [1],[16],[22] 8,800,000 [7],[27],[29] 8,800,000 [1],[16],[22] 8,800,000 [1],[16],[22] 8,800,000 [1],[16],[22] 8,800,000 [1],[16],[22] 8,800,000 [7],[27],[29] 8,800,000 [7],[27],[29] 8,800,000 [7],[27],[29] 8,800,000 [7],[27],[29]  
Investment, Identifier [Axis]: Equity and Other Investments Human Resource Support Services                      
Investments at amortized cost [1],[3] $ 9,655,000 [2] $ 11,669,000 [9]                  
Total investments at fair value [1] $ 11,163,000 [5] $ 15,357,000 [2]                  
Percentage of Net Assets [1] 0.80% 1.20% 0.80% 0.80% 0.80% 0.80% 1.20% 1.20% 1.20% 1.20%  
Investment, Identifier [Axis]: Equity and Other Investments Human Resource Support Services Axonify, Inc . Class A-1 Units (3,780,000 units) Initial Acquisition Date 5/5/2021                      
Initial Acquisition Date [1],[13],[26],[27]   May 05, 2021                  
Investments at amortized cost [1],[3],[9],[13],[26],[27]   $ 3,780,000                  
Total investments at fair value [1],[2],[13],[26],[27]   $ 4,262,000                  
Percentage of Net Assets [1],[13],[26],[27]   0.30%         0.30% 0.30% 0.30% 0.30%  
Investment, shares | shares [1],[13],[26],[27]   3,780,000         3,780,000 3,780,000 3,780,000 3,780,000  
Investment, Identifier [Axis]: Equity and Other Investments Human Resource Support Services Axonify, Inc. Class A-1 Units (3,780,000 units) Initial Acquisition Date 5/5/2021                      
Initial Acquisition Date [1],[12],[22],[28] May 05, 2021                    
Investments at amortized cost [1],[2],[3],[12],[22],[28] $ 3,780,000                    
Total investments at fair value [1],[5],[12],[22],[28] $ 4,026,000                    
Percentage of Net Assets [1],[12],[22],[28] 0.30%   0.30% 0.30% 0.30% 0.30%          
Investment, shares | shares [1],[12],[22],[28] 3,780,000   3,780,000 3,780,000 3,780,000 3,780,000          
Investment, Identifier [Axis]: Equity and Other Investments Human Resource Support Services Bswift LLC Class A-1 Units (2,393,509 units) Initial Acquisition Date 11/7/2022                      
Initial Acquisition Date [1],[25],[27]   Nov. 07, 2022                  
Investments at amortized cost [1],[3],[9],[25],[27]   $ 2,394,000                  
Total investments at fair value [1],[2],[25],[27]   $ 2,394,000                  
Percentage of Net Assets [1],[25],[27]   0.20%         0.20% 0.20% 0.20% 0.20%  
Investment, shares | shares [1],[25],[27]   2,393,509         2,393,509 2,393,509 2,393,509 2,393,509  
Investment, Identifier [Axis]: Equity and Other Investments Human Resource Support Services ClearCompany, LLC Series A Preferred Units (1,429,228 units) Initial Acquisition Date 8/24/2018                      
Initial Acquisition Date [1],[26],[27]   Aug. 24, 2018                  
Investments at amortized cost [1],[3],[9],[26],[27]   $ 2,014,000                  
Total investments at fair value [1],[2],[26],[27]   $ 4,869,000                  
Percentage of Net Assets [1],[26],[27]   0.40%         0.40% 0.40% 0.40% 0.40%  
Investment, shares | shares [1],[26],[27]   1,429,228         1,429,228 1,429,228 1,429,228 1,429,228  
Investment, Identifier [Axis]: Equity and Other Investments Human Resource Support Services DaySmart Holdings, LLC Class A Units (166,811 units) Initial Acquisition Date 10/1/2019                      
Initial Acquisition Date [1],[26],[27]   Oct. 01, 2019                  
Investments at amortized cost [1],[3],[9],[26],[27]   $ 1,347,000                  
Total investments at fair value [1],[2],[26],[27]   $ 1,798,000                  
Percentage of Net Assets [1],[26],[27]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, shares | shares [1],[26],[27]   166,811         166,811 166,811 166,811 166,811  
Investment, Identifier [Axis]: Equity and Other Investments Human Resource Support Services DaySmart Holdings, LLC Class A Units (166,811 units) Initial Acquisition Date 12/8/2020                      
Initial Acquisition Date [1],[22] Dec. 18, 2020                    
Investments at amortized cost [1],[2],[3],[22] $ 1,347,000                    
Total investments at fair value [1],[5],[22] $ 2,138,000                    
Percentage of Net Assets [1],[22] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, shares | shares [1],[22] 166,811   166,811 166,811 166,811 166,811          
Investment, Identifier [Axis]: Equity and Other Investments Human Resource Support Services Employment Hero Holdings Pty Ltd. Series E Preferred Shares (113,250 shares) Initial Acquisition Date 3/1/2022                      
Initial Acquisition Date [1] Mar. 01, 2022 [12],[22] Mar. 01, 2022 [13],[25],[27]                  
Investments at amortized cost [1],[3] $ 2,134,000 [2],[12],[22] $ 2,134,000 [9],[13],[25],[27]                  
Total investments at fair value [1] $ 2,605,000 [5],[12],[22] $ 2,034,000 [2],[13],[25],[27]       $ 3,817 [5],[12],[22]       $ 3,164 [2],[13],[25],[27]  
Percentage of Net Assets [1] 0.20% [12],[22] 0.20% [13],[25],[27] 0.20% [12],[22] 0.20% [12],[22] 0.20% [12],[22] 0.20% [12],[22] 0.20% [13],[25],[27] 0.20% [13],[25],[27] 0.20% [13],[25],[27] 0.20% [13],[25],[27]  
Investment, shares | shares [1] 113,250 [12],[22] 113,250 [13],[25],[27] 113,250 [12],[22] 113,250 [12],[22] 113,250 [12],[22] 113,250 [12],[22] 113,250 [13],[25],[27] 113,250 [13],[25],[27] 113,250 [13],[25],[27] 113,250 [13],[25],[27]  
Investment, Identifier [Axis]: Equity and Other Investments Human Resource Support Services bswift, LLC Class A-1 Units (2,393,509 units) Initial Acquisition Date 11/7/2022                      
Initial Acquisition Date [1],[21],[22] Nov. 07, 2022                    
Investments at amortized cost [1],[2],[3],[21],[22] $ 2,394,000                    
Total investments at fair value [1],[5],[21],[22] $ 2,394,000                    
Percentage of Net Assets [1],[21],[22] 0.20%   0.20% 0.20% 0.20% 0.20%          
Investment, shares | shares [1],[21],[22] 2,393,509   2,393,509 2,393,509 2,393,509 2,393,509          
Investment, Identifier [Axis]: Equity and Other Investments Internet Services                      
Investments at amortized cost $ 17,629,000 [1],[2],[3] $ 17,629,000 [7],[9],[10]                  
Total investments at fair value $ 17,104,000 [1],[5] $ 16,673,000 [7],[11]                  
Percentage of Net Assets 1.10% [1] 1.20% [7] 1.10% [1] 1.10% [1] 1.10% [1] 1.10% [1] 1.20% [7] 1.20% [7] 1.20% [7] 1.20% [7]  
Investment, Identifier [Axis]: Equity and Other Investments Internet Services Bayshore Intermediate #2, L.P. Co-Invest 2 Common Units (3,493,701 units) Initial Acquisition Date 10/1/2021                      
Initial Acquisition Date [1],[22],[28] Oct. 01, 2021                    
Investments at amortized cost [1],[2],[3],[22],[28] $ 3,494,000                    
Total investments at fair value [1],[5],[22],[28] $ 3,345,000                    
Percentage of Net Assets [1],[22],[28] 0.20%   0.20% 0.20% 0.20% 0.20%          
Investment, shares | shares [1],[22],[28] 3,493,701   3,493,701 3,493,701 3,493,701 3,493,701          
Investment, Identifier [Axis]: Equity and Other Investments Internet Services Bayshore Intermediate #2, L.P. Co-Invest Common Units (8,837,008 units) Initial Acquisition Date 10/1/2021                      
Initial Acquisition Date [1],[22],[28] Oct. 01, 2021                    
Investments at amortized cost [1],[2],[3],[22],[28] $ 8,837,000                    
Total investments at fair value [1],[5],[22],[28] $ 8,461,000                    
Percentage of Net Assets [1],[22],[28] 0.50%   0.50% 0.50% 0.50% 0.50%          
Investment, shares | shares [1],[22],[28] 8,837,008   8,837,008 8,837,008 8,837,008 8,837,008          
Investment, Identifier [Axis]: Equity and Other Investments Internet Services Bayshore Intermediate #2, L.P. Common Units (12,330,709 units) Initial Acquisition Date 10/1/2021                      
Initial Acquisition Date [7],[26],[27]   Oct. 01, 2021                  
Investments at amortized cost [7],[9],[10],[26],[27]   $ 12,331,000                  
Total investments at fair value [7],[11],[26],[27]   $ 11,375,000                  
Percentage of Net Assets [7],[26],[27]   0.80%         0.80% 0.80% 0.80% 0.80%  
Investment, shares | shares [7],[26],[27]   12,330,709         12,330,709 12,330,709 12,330,709 12,330,709  
Investment, Identifier [Axis]: Equity and Other Investments Internet Services Lucidworks, Inc. Series F Preferred Shares (199,054 shares) Initial Acquisition Date 8/2/2019                      
Initial Acquisition Date Aug. 02, 2019 [1],[22] Aug. 02, 2019 [7],[27]                  
Investments at amortized cost $ 800,000 [1],[2],[3],[22] $ 800,000 [7],[9],[10],[27]                  
Total investments at fair value $ 800,000 [1],[5],[22] $ 800,000 [7],[11],[27]                  
Percentage of Net Assets 0.10% [1],[22] 0.10% [7],[27] 0.10% [1],[22] 0.10% [1],[22] 0.10% [1],[22] 0.10% [1],[22] 0.10% [7],[27] 0.10% [7],[27] 0.10% [7],[27] 0.10% [7],[27]  
Investment, shares | shares 199,054 [1],[22] 199,054 [7],[27] 199,054 [1],[22] 199,054 [1],[22] 199,054 [1],[22] 199,054 [1],[22] 199,054 [7],[27] 199,054 [7],[27] 199,054 [7],[27] 199,054 [7],[27]  
Investment, Identifier [Axis]: Equity and Other Investments Internet Services Piano Software, Inc. Series C-1 Preferred Shares (418,527 shares) Initial Acquisition Date 12/22/2021                      
Initial Acquisition Date Dec. 22, 2021 [1],[22] Dec. 22, 2021 [7],[27]                  
Investments at amortized cost $ 3,000,000 [1],[2],[3],[22] $ 3,000,000 [7],[9],[10],[27]                  
Total investments at fair value $ 3,000,000 [1],[5],[22] $ 3,000,000 [7],[11],[27]                  
Percentage of Net Assets 0.20% [1],[22] 0.20% [7],[27] 0.20% [1],[22] 0.20% [1],[22] 0.20% [1],[22] 0.20% [1],[22] 0.20% [7],[27] 0.20% [7],[27] 0.20% [7],[27] 0.20% [7],[27]  
Investment, shares | shares 418,527 [1],[22] 418,527 [7],[27] 418,527 [1],[22] 418,527 [1],[22] 418,527 [1],[22] 418,527 [1],[22] 418,527 [7],[27] 418,527 [7],[27] 418,527 [7],[27] 418,527 [7],[27]  
Investment, Identifier [Axis]: Equity and Other Investments Internet Services Piano Software, Inc. Series C-2 Preferred Shares (27,588 shares) Initial Acquisition Date 11/18/2022                      
Initial Acquisition Date Nov. 18, 2022 [1],[22] Nov. 18, 2022 [7],[27]                  
Investments at amortized cost $ 198,000 [1],[2],[3],[22] $ 198,000 [7],[9],[10],[27]                  
Total investments at fair value $ 198,000 [1],[5],[22] $ 198,000 [7],[11],[27]                  
Percentage of Net Assets 0.00% [1],[22] 0.00% [7],[27] 0.00% [1],[22] 0.00% [1],[22] 0.00% [1],[22] 0.00% [1],[22] 0.00% [7],[27] 0.00% [7],[27] 0.00% [7],[27] 0.00% [7],[27]  
Investment, shares | shares 27,588 [1],[22] 27,588 [7],[25],[27] 27,588 [1],[22] 27,588 [1],[22] 27,588 [1],[22] 27,588 [1],[22] 27,588 [7],[25],[27] 27,588 [7],[25],[27] 27,588 [7],[25],[27] 27,588 [7],[25],[27]  
Investment, Identifier [Axis]: Equity and Other Investments Internet Services SMA Technologies Holdings, LLC Class A Units (1,300 shares) Initial Acquisition Date 11/21/2022                      
Initial Acquisition Date Nov. 21, 2022 [1],[21],[22] Nov. 21, 2022 [7],[25],[27]                  
Investments at amortized cost $ 1,300,000 [1],[2],[3],[21],[22] $ 1,300,000 [7],[9],[10],[25],[27]                  
Total investments at fair value $ 1,300,000 [1],[5],[21],[22] $ 1,300,000 [7],[11],[25],[27]                  
Percentage of Net Assets 0.10% [1],[21],[22] 0.10% [7],[25],[27] 0.10% [1],[21],[22] 0.10% [1],[21],[22] 0.10% [1],[21],[22] 0.10% [1],[21],[22] 0.10% [7],[25],[27] 0.10% [7],[25],[27] 0.10% [7],[25],[27] 0.10% [7],[25],[27]  
Investment, shares | shares 1,300 [1],[21],[22] 1,300 [7],[25],[27] 1,300 [1],[21],[22] 1,300 [1],[21],[22] 1,300 [1],[21],[22] 1,300 [1],[21],[22] 1,300 [7],[25],[27] 1,300 [7],[25],[27] 1,300 [7],[25],[27] 1,300 [7],[25],[27]  
Investment, Identifier [Axis]: Equity and Other Investments Internet Services SMA Technologies Holdings, LLC Class B Units (923,250 shares) Initial Acquisition Date 11/21/2022                      
Initial Acquisition Date Nov. 21, 2022 [1],[21],[22] Nov. 21, 2022 [7],[25],[27]                  
Percentage of Net Assets 0.00% [1],[21],[22] 0.00% [7],[25],[27] 0.00% [1],[21],[22] 0.00% [1],[21],[22] 0.00% [1],[21],[22] 0.00% [1],[21],[22] 0.00% [7],[25],[27] 0.00% [7],[25],[27] 0.00% [7],[25],[27] 0.00% [7],[25],[27]  
Investment, shares | shares 923,250 [1],[21],[22] 923,250 [7],[25],[27] 923,250 [1],[21],[22] 923,250 [1],[21],[22] 923,250 [1],[21],[22] 923,250 [1],[21],[22] 923,250 [7],[25],[27] 923,250 [7],[25],[27] 923,250 [7],[25],[27] 923,250 [7],[25],[27]  
Investment, Identifier [Axis]: Equity and Other Investments Marketing Services Validity, Inc. Series A Preferred Shares (3,840,000 shares) Initial Acquisition Date 5/31/2018                      
Initial Acquisition Date May 31, 2018 [1],[22] May 31, 2018 [7],[27]                  
Investments at amortized cost $ 3,840,000 [1],[2],[3],[22] $ 3,840,000 [7],[9],[10],[27]                  
Total investments at fair value $ 10,368,000 [1],[5],[22] $ 11,520,000 [7],[11],[27]                  
Percentage of Net Assets 0.70% [1],[22] 0.90% [7],[27] 0.70% [1],[22] 0.70% [1],[22] 0.70% [1],[22] 0.70% [1],[22] 0.90% [7],[27] 0.90% [7],[27] 0.90% [7],[27] 0.90% [7],[27]  
Investment, shares | shares 3,840,000 [1],[22] 3,840,000 [7],[27] 3,840,000 [1],[22] 3,840,000 [1],[22] 3,840,000 [1],[22] 3,840,000 [1],[22] 3,840,000 [7],[27] 3,840,000 [7],[27] 3,840,000 [7],[27] 3,840,000 [7],[27]  
Investment, Identifier [Axis]: Equity and Other Investments Oil, Gas and Consumable Fuels                      
Investments at amortized cost $ 22,110,000 [1],[2],[3] $ 21,422,000 [7],[9],[10]                  
Total investments at fair value $ 25,669,000 [1],[5] $ 23,293,000 [7],[11]                  
Percentage of Net Assets 1.70% [1] 1.80% [7] 1.70% [1] 1.70% [1] 1.70% [1] 1.70% [1] 1.80% [7] 1.80% [7] 1.80% [7] 1.80% [7]  
Investment, Identifier [Axis]: Equity and Other Investments Oil, Gas and Consumable Fuels Murchison Oil and Gas, LLC 13,355 Preferred Units Initial Acquisition Date 6/30/2022                      
Initial Acquisition Date Jun. 30, 2022 [1],[28] Jun. 30, 2022 [7],[25],[26]                  
Investments at amortized cost $ 13,355,000 [1],[2],[3],[28] $ 13,355,000 [7],[9],[10],[25],[26]                  
Total investments at fair value $ 14,156,000 [1],[5],[28] $ 13,088,000 [7],[11],[25],[26]                  
Percentage of Net Assets 0.90% [1],[28] 1.00% [7],[25],[26] 0.90% [1],[28] 0.90% [1],[28] 0.90% [1],[28] 0.90% [1],[28] 1.00% [7],[25],[26] 1.00% [7],[25],[26] 1.00% [7],[25],[26] 1.00% [7],[25],[26]  
Investment, shares | shares 13,355 [1],[28] 13,355 [7],[25],[26] 13,355 [1],[28] 13,355 [1],[28] 13,355 [1],[28] 13,355 [1],[28] 13,355 [7],[25],[26] 13,355 [7],[25],[26] 13,355 [7],[25],[26] 13,355 [7],[25],[26]  
Investment, Identifier [Axis]: Equity and Other Investments Oil, Gas and Consumable Fuels TRP Assets, LLC Partnership Interest (1.89% ownership) Initial Acquisition Date 8/25/2022                      
Initial Acquisition Date Aug. 25, 2022 [1],[22],[28] Aug. 25, 2022 [7],[25],[26],[27]                  
Investments at amortized cost $ 8,755,000 [1],[2],[3],[22],[28] $ 8,067,000 [7],[9],[10],[25],[26],[27]                  
Total investments at fair value $ 11,513,000 [1],[5],[22],[28] $ 10,205,000 [7],[11],[25],[26],[27]                  
Percentage of Net Assets 0.80% [1],[22],[28] 0.80% [7],[25],[26],[27] 0.80% [1],[22],[28] 0.80% [1],[22],[28] 0.80% [1],[22],[28] 0.80% [1],[22],[28] 0.80% [7],[25],[26],[27] 0.80% [7],[25],[26],[27] 0.80% [7],[25],[26],[27] 0.80% [7],[25],[26],[27]  
Investment, shares | shares [7],[25],[26],[27]   1.89         1.89 1.89 1.89 1.89  
Partnership/Membership interest of ownership [1],[22],[28] 1.89%   1.89% 1.89% 1.89% 1.89%          
Investment, Identifier [Axis]: Equity and Other Investments Pharmaceuticals                      
Investments at amortized cost [7],[9],[10]   $ 1,437,000                  
Total investments at fair value [7],[11]   $ 365,000                  
Investment, Identifier [Axis]: Equity and Other Investments Pharmaceuticals TherapeuticsMD, Inc. 14,256 Warrants Initial Acquisition Date 8/5/2020                      
Initial Acquisition Date Aug. 05, 2020 [1],[12],[22] Aug. 05, 2020 [7],[13],[27]                  
Investments at amortized cost $ 1,029,000 [1],[2],[3],[12],[22] $ 1,028,000 [7],[9],[10],[13],[27]                  
Percentage of Net Assets 0.00% [1],[12],[22] 0.00% [7],[13],[27] 0.00% [1],[12],[22] 0.00% [1],[12],[22] 0.00% [1],[12],[22] 0.00% [1],[12],[22] 0.00% [7],[13],[27] 0.00% [7],[13],[27] 0.00% [7],[13],[27] 0.00% [7],[13],[27]  
Investment, shares | shares 14,256 [1],[12],[22] 14,256 [7],[13],[27] 14,256 [1],[12],[22] 14,256 [1],[12],[22] 14,256 [1],[12],[22] 14,256 [1],[12],[22] 14,256 [7],[13],[27] 14,256 [7],[13],[27] 14,256 [7],[13],[27] 14,256 [7],[13],[27]  
Investment, Identifier [Axis]: Equity and Other Investments Pharmaceuticals TherapeuticsMD, Inc. 65,250 Warrants Initial Acquisition Date 7/29/2022                      
Initial Acquisition Date [7],[13],[27]   Jul. 29, 2022                  
Investments at amortized cost [7],[9],[10],[13],[27]   $ 409,000                  
Total investments at fair value [7],[11],[13],[27]   $ 365,000                  
Percentage of Net Assets [7],[13],[27]   0.00%         0.00% 0.00% 0.00% 0.00%  
Investment, shares | shares [7],[13],[25],[27]   65,250         65,250 65,250 65,250 65,250  
Investment, Identifier [Axis]: Equity and Other Investments Retail and Consumer Products                      
Investments at amortized cost $ 5,589,000 [1],[2],[3] $ 6,041,000 [7],[9],[10]                  
Total investments at fair value $ 12,569,000 [1],[5] $ 15,795,000 [7],[11]                  
Percentage of Net Assets 0.80% [1] 1.10% [7] 0.80% [1] 0.80% [1] 0.80% [1] 0.80% [1] 1.10% [7] 1.10% [7] 1.10% [7] 1.10% [7]  
Investment, Identifier [Axis]: Equity and Other Investments Retail and Consumer Products American Achievement, Corp. Class A Units (687 units) Initial Acquisition Date 3/16/2021                      
Initial Acquisition Date Mar. 16, 2021 [1],[22] Mar. 16, 2021 [7],[27]                  
Total investments at fair value $ 50,000 [1],[5],[22] $ 50,000 [7],[11],[27]                  
Percentage of Net Assets 0.00% [1],[22] 0.00% [7],[27] 0.00% [1],[22] 0.00% [1],[22] 0.00% [1],[22] 0.00% [1],[22] 0.00% [7],[27] 0.00% [7],[27] 0.00% [7],[27] 0.00% [7],[27]  
Investment, shares | shares 687 [1],[22] 687 [7],[27] 687 [1],[22] 687 [1],[22] 687 [1],[22] 687 [1],[22] 687 [7],[27] 687 [7],[27] 687 [7],[27] 687 [7],[27]  
Investment, Identifier [Axis]: Equity and Other Investments Retail and Consumer Products Copper Bidco, LLC Trust Certificates (132,928 Certificates) Initial Acquisition Date 12/7/2020                      
Initial Acquisition Date Dec. 07, 2020 [1] Dec. 07, 2020 [7],[15]                  
Total investments at fair value [7],[11],[15]   $ 665,000                  
Percentage of Net Assets 0.00% [1] 0.00% [7],[15] 0.00% [1] 0.00% [1] 0.00% [1] 0.00% [1] 0.00% [7],[15] 0.00% [7],[15] 0.00% [7],[15] 0.00% [7],[15]  
Investment, shares | shares 132,928 [1] 132,928 [7],[15] 132,928 [1] 132,928 [1] 132,928 [1] 132,928 [1] 132,928 [7],[15] 132,928 [7],[15] 132,928 [7],[15] 132,928 [7],[15]  
Investment, Identifier [Axis]: Equity and Other Investments Retail and Consumer Products Copper Bidco, LLC Trust Certificates (996,958 Certificates) Initial Acquisition Date 1/30/2021                      
Initial Acquisition Date Jan. 30, 2021 [1] Jan. 30, 2021 [7],[15]                  
Investments at amortized cost $ 2,589,000 [1],[2],[3] $ 3,041,000 [7],[9],[10],[15]                  
Total investments at fair value $ 10,089,000 [1],[5] $ 12,462,000 [7],[11],[15]                  
Percentage of Net Assets 0.60% [1] 0.90% [7],[15] 0.60% [1] 0.60% [1] 0.60% [1] 0.60% [1] 0.90% [7],[15] 0.90% [7],[15] 0.90% [7],[15] 0.90% [7],[15]  
Investment, shares | shares 996,958 [1],[5] 996,958 [7],[15] 996,958 [1],[5] 996,958 [1],[5] 996,958 [1],[5] 996,958 [1],[5] 996,958 [7],[15] 996,958 [7],[15] 996,958 [7],[15] 996,958 [7],[15]  
Investment, Identifier [Axis]: Equity and Other Investments Retail and Consumer Products Neuintel, LLC Class A Units (1,176,494 units) Initial Acquisition Date 12/21/2021                      
Initial Acquisition Date Dec. 21, 2021 [1],[22],[28] Dec. 21, 2021 [7],[26],[27]                  
Investments at amortized cost $ 3,000,000 [1],[2],[3],[22],[28] $ 3,000,000 [7],[9],[10],[26],[27]                  
Total investments at fair value $ 2,430,000 [1],[5],[22],[28] $ 2,618,000 [7],[11],[26],[27]                  
Percentage of Net Assets 0.20% [1],[22],[28] 0.20% [7],[26],[27] 0.20% [1],[22],[28] 0.20% [1],[22],[28] 0.20% [1],[22],[28] 0.20% [1],[22],[28] 0.20% [7],[26],[27] 0.20% [7],[26],[27] 0.20% [7],[26],[27] 0.20% [7],[26],[27]  
Investment, shares | shares 1,176,494 [1],[22],[28] 1,176,494 [7],[26],[27] 1,176,494 [1],[22],[28] 1,176,494 [1],[22],[28] 1,176,494 [1],[22],[28] 1,176,494 [1],[22],[28] 1,176,494 [7],[26],[27] 1,176,494 [7],[26],[27] 1,176,494 [7],[26],[27] 1,176,494 [7],[26],[27]  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit                      
Investments at amortized cost [3] $ 52,865,000 [1],[2] $ 53,066,000 [7],[16]                  
Total investments at fair value $ 55,844,000 [1],[5] $ 51,426,000 [2],[7]                  
Percentage of Net Assets 3.70% [1] 4.40% [7] 3.70% [1] 3.70% [1] 3.70% [1] 3.70% [1] 4.40% [7] 4.40% [7] 4.40% [7] 4.40% [7]  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Allegro CLO Ltd, Series 2018-1A, Structured Product ($1,000 par, due 6/2031) Initial Acquisition Date 5/26/2022 Reference Rate and Spread L + 2.85% Interest Rate 5.36%                      
Investment, par [4],[5],[12]   $ 1,000,000                  
Investment due date [4],[5],[12]   2031-06                  
Initial Acquisition Date [4],[5],[12]   May 26, 2022                  
Reference Rate [4],[5],[12]   2.85%         2.85% 2.85% 2.85% 2.85%  
Interest Rate [4],[5],[12]   5.36%         5.36% 5.36% 5.36% 5.36%  
Investments at amortized cost [3],[4],[5],[12],[16]   $ 924,000                  
Total investments at fair value [2],[4],[5],[12]   $ 848,000                  
Percentage of Net Assets [4],[5],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Allegro CLO Ltd, Series 2018-1A, Structured Product ($1,000 par, due 6/2031) Initial Acquisition Date 5/26/2022 Reference Rate and Spread SOFR + 3.11% Interest Rate 8.51%                      
Investment, par [1],[4],[5],[12] $ 1,000,000                    
Investment due date [1],[4],[5],[12] 2031-06                    
Initial Acquisition Date [1],[4],[5],[12] May 26, 2022                    
Reference Rate [1],[4],[5],[12] 3.11%   3.11% 3.11% 3.11% 3.11%          
Interest Rate [1],[4],[5],[12] 8.51%   8.51% 8.51% 8.51% 8.51%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 983,000                    
Total investments at fair value [1],[4],[5],[12] $ 971,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit American Money Management Corp CLO Ltd, Series 2016-18A Structured Product ($1,500 par, due 5/2031) Initial Acquisition Date 6/22/2022 Reference Rate and Spread L + 3.05% Interest Rate 6.06%                      
Investment, par [4],[5],[12]   $ 1,500,000                  
Investment due date [4],[5],[12]   2031-05                  
Initial Acquisition Date [4],[5],[12]   Jun. 22, 2022                  
Reference Rate [4],[5],[12]   3.05%         3.05% 3.05% 3.05% 3.05%  
Interest Rate [4],[5],[12]   6.06%         6.06% 6.06% 6.06% 6.06%  
Investments at amortized cost [3],[4],[5],[12],[16]   $ 1,347,000                  
Total investments at fair value [2],[4],[5],[12]   $ 1,309,000                  
Percentage of Net Assets [4],[5],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit American Money Management Corp CLO Ltd, Series 2016-18A Structured Product ($1,500 par, due 5/2031) Initial Acquisition Date 6/22/2022 Reference Rate and Spread SOFR+3.31% Interest Rate 8.70%                      
Investment, par [1],[4],[5],[12] $ 1,500,000                    
Investment due date [1],[4],[5],[12] 2031-05                    
Initial Acquisition Date [1],[4],[5],[12] Jun. 22, 2022                    
Reference Rate [1],[4],[5],[12] 3.31%   3.31% 3.31% 3.31% 3.31%          
Interest Rate [1],[4],[5],[12] 8.70%   8.70% 8.70% 8.70% 8.70%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 1,359,000                    
Total investments at fair value [1],[4],[5],[12] $ 1,475,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Ares CLO Ltd, Series 2021-59A Structured Product ($1,000 par, due 4/2034) Initial Acquisition Date 6/23/2022 Reference Rate and Spread L + 6.25% Interest Rate 9.03%                      
Investment, par [4],[5],[12]   $ 1,000,000                  
Investment due date [4],[5],[12]   2034-04                  
Initial Acquisition Date [4],[5],[12]   Jun. 23, 2022                  
Reference Rate [4],[5],[12]   6.25%         6.25% 6.25% 6.25% 6.25%  
Interest Rate [4],[5],[12]   9.03%         9.03% 9.03% 9.03% 9.03%  
Investments at amortized cost [3],[4],[5],[12],[16]   $ 894,000                  
Total investments at fair value [2],[4],[5],[12]   $ 875,000                  
Percentage of Net Assets [4],[5],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Ares CLO Ltd, Series 2021-59A StructuredProduct ($1,000par,due4/2034) Initial Acquisition Date 6/23/2022 Reference Rate and Spread SOFR+6.51% Interest Rate 11.89%                      
Investment, par [1],[4],[5],[12] $ 1,000,000                    
Investment due date [1],[4],[5],[12] 2034-04                    
Initial Acquisition Date [1],[4],[5],[12] Jun. 23, 2022                    
Reference Rate [1],[4],[5],[12] 6.51%   6.51% 6.51% 6.51% 6.51%          
Interest Rate [1],[4],[5],[12] 11.89%   11.89% 11.89% 11.89% 11.89%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 898,000                    
Total investments at fair value [1],[4],[5],[12] $ 967,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Ares Loan Funding I Ltd, Series 2021-ALFA, Class E Structured Product ($1,000 par, due 10/2034) Initial Acquisition Date 6/24/2022 Reference Rate and Spread L + 6.70% Interest Rate 9.21%                      
Investment, par [4],[5],[12]   $ 1,000,000                  
Investment due date [4],[5],[12]   2034-10                  
Initial Acquisition Date [4],[5],[12]   Jun. 24, 2022                  
Reference Rate [4],[5],[12]   6.70%         6.70% 6.70% 6.70% 6.70%  
Interest Rate [4],[5],[12]   9.21%         9.21% 9.21% 9.21% 9.21%  
Investments at amortized cost [3],[4],[5],[12],[16]   $ 918,000                  
Total investments at fair value [2],[4],[5],[12]   $ 881,000                  
Percentage of Net Assets [4],[5],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Ares Loan Funding I Ltd, Series 2021-ALFA, Class E StructuredProduct ($1,000par,due10/2034) Initial Acquisition Date 6/24/2022 Reference Rate and Spread SOFR+6.96% Interest Rate 12.36%                      
Investment, par [1],[4],[5],[12] $ 1,000,000                    
Investment due date [1],[4],[5],[12] 2034-10                    
Initial Acquisition Date [1],[4],[5],[12] Jun. 24, 2022                    
Reference Rate [1],[4],[5],[12] 6.96%   6.96% 6.96% 6.96% 6.96%          
Interest Rate [1],[4],[5],[12] 12.36%   12.36% 12.36% 12.36% 12.36%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 944,000                    
Total investments at fair value [1],[4],[5],[12] $ 988,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Bain Capital Credit CLO Ltd, Series 2018-1A Structured Product ($500 par, due 4/2031) Initial Acquisition Date 10/15/2020 Reference Rate and Spread L + 5.35% Interest Rate 8.13%                      
Investment, par [4],[5],[12]   $ 500,000                  
Investment due date [4],[5],[12]   2031-04                  
Initial Acquisition Date [4],[5],[12]   Oct. 15, 2020                  
Reference Rate [4],[5],[12]   5.35%         5.35% 5.35% 5.35% 5.35%  
Interest Rate [4],[5],[12]   8.13%         8.13% 8.13% 8.13% 8.13%  
Investments at amortized cost [3],[4],[5],[12],[16]   $ 424,000                  
Total investments at fair value [2],[4],[5],[12]   $ 383,000                  
Percentage of Net Assets [4],[5],[12]   0.00%         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Bain Capital Credit CLO Ltd, Series 2018-1A Structured Product ($500par,due4/2031) Initial Acquisition Date 10/15/2020 Reference Rate and Spread SOFR+5.61% Interest Rate 11.02%                      
Investment, par [1],[4],[5],[12] $ 500,000                    
Investment due date [1],[4],[5],[12] 2031-04                    
Initial Acquisition Date [1],[4],[5],[12] Oct. 15, 2020                    
Reference Rate [1],[4],[5],[12] 5.61%   5.61% 5.61% 5.61% 5.61%          
Interest Rate [1],[4],[5],[12] 11.02%   11.02% 11.02% 11.02% 11.02%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 429,000                    
Total investments at fair value [1],[4],[5],[12] $ 445,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Battalion CLO Ltd, Series 2021-21A Structured Product ($1,300 par, due 7/2034) Initial Acquisition Date 7/13/2022 Reference Rate and Spread L + 3.30% Interest Rate 5.81%                      
Investment, par [4],[5],[12]   $ 1,300,000                  
Investment due date [4],[5],[12]   2034-07                  
Initial Acquisition Date [4],[5],[12]   Jul. 13, 2022                  
Reference Rate [4],[5],[12]   3.30%         3.30% 3.30% 3.30% 3.30%  
Interest Rate [4],[5],[12]   5.81%         5.81% 5.81% 5.81% 5.81%  
Investments at amortized cost [3],[4],[5],[12],[16]   $ 1,158,000                  
Total investments at fair value [2],[4],[5],[12]   $ 1,158,000                  
Percentage of Net Assets [4],[5],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Battalion CLO Ltd, Series 2021-21A Structured Product ($1,300par,due7/2034) Initial Acquisition Date 7/13/2022 Reference Rate and Spread SOFR+3.56% Interest Rate 8.96%                      
Investment, par [1],[4],[5],[12] $ 1,300,000                    
Investment due date [1],[4],[5],[12] 2034-07                    
Initial Acquisition Date [1],[4],[5],[12] Jul. 13, 2022                    
Reference Rate [1],[4],[5],[12] 3.56%   3.56% 3.56% 3.56% 3.56%          
Interest Rate [1],[4],[5],[12] 8.96%   8.96% 8.96% 8.96% 8.96%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 1,170,000                    
Total investments at fair value [1],[4],[5],[12] $ 1,252,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Benefit Street Partners CLO Ltd, Series 2015-8A Structured Product ($1,425 par, due 1/2031) Initial Acquisition Date 9/13/2022 Reference Rate and Spread L + 2.75% Interest Rate 5.46%                      
Investment, par [4],[5],[12]   $ 1,425,000                  
Investment due date [4],[5],[12]   2031-01                  
Initial Acquisition Date [4],[5],[12]   Sep. 13, 2022                  
Reference Rate [4],[5],[12]   2.75%         2.75% 2.75% 2.75% 2.75%  
Interest Rate [4],[5],[12]   5.46%         5.46% 5.46% 5.46% 5.46%  
Investments at amortized cost [3],[4],[5],[12],[16]   $ 1,265,000                  
Total investments at fair value [2],[4],[5],[12]   $ 1,214,000                  
Percentage of Net Assets [4],[5],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Benefit Street Partners CLO Ltd, Series 2015-8A Structured Product ($1,425par,due1/2031) Initial Acquisition Date 9/13/2022 Reference Rate and Spread SOFR+3.01% Interest Rate 8.43%                      
Investment, par [1],[4],[5],[12] $ 1,425,000                    
Investment due date [1],[4],[5],[12] 2031-01                    
Initial Acquisition Date [1],[4],[5],[12] Sep. 13, 2022                    
Reference Rate [1],[4],[5],[12] 3.01%   3.01% 3.01% 3.01% 3.01%          
Interest Rate [1],[4],[5],[12] 8.43%   8.43% 8.43% 8.43% 8.43%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 1,289,000                    
Total investments at fair value [1],[4],[5],[12] $ 1,367,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Benefit Street Partners CLO Ltd, Series 2015-BR Structured Product ($2,500 par, due 7/2034) Initial Acquisition Date 7/13/2022 Reference Rate and Spread L + 3.85% Interest Rate 6.56%                      
Investment, par [4],[5],[12]   $ 2,500,000                  
Investment due date [4],[5],[12]   2034-07                  
Initial Acquisition Date [4],[5],[12]   Jul. 13, 2022                  
Reference Rate [4],[5],[12]   3.85%         3.85% 3.85% 3.85% 3.85%  
Interest Rate [4],[5],[12]   6.56%         6.56% 6.56% 6.56% 6.56%  
Investments at amortized cost [3],[4],[5],[12],[16]   $ 2,179,000                  
Total investments at fair value [2],[4],[5],[12]   $ 2,285,000                  
Percentage of Net Assets [4],[5],[12]   0.20%         0.20% 0.20% 0.20% 0.20%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Benefit Street Partners CLO Ltd, Series 2015-BR Structured Product ($2,500par,due7/2034) Initial Acquisition Date 7/13/2022 Reference Rate and Spread SOFR+4.11% Interest Rate 9.53%                      
Investment, par [1],[4],[5],[12] $ 2,500,000                    
Investment due date [1],[4],[5],[12] 2034-07                    
Initial Acquisition Date [1],[4],[5],[12] Jul. 13, 2022                    
Reference Rate [1],[4],[5],[12] 4.11%   4.11% 4.11% 4.11% 4.11%          
Interest Rate [1],[4],[5],[12] 9.53%   9.53% 9.53% 9.53% 9.53%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 2,194,000                    
Total investments at fair value [1],[4],[5],[12] $ 2,465,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.20%   0.20% 0.20% 0.20% 0.20%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit CIFC CLO Ltd, Series 2018-3A Structured Product ($1,000 par, due 7/2031) Initial Acquisition Date 6/16/2022 Reference Rate and Spread L + 5.50% Interest Rate 8.24%                      
Investment, par [4],[5],[12]   $ 1,000,000                  
Investment due date [4],[5],[12]   2031-07                  
Initial Acquisition Date [4],[5],[12]   Jun. 16, 2022                  
Reference Rate [4],[5],[12]   5.50%         5.50% 5.50% 5.50% 5.50%  
Interest Rate [4],[5],[12]   8.24%         8.24% 8.24% 8.24% 8.24%  
Investments at amortized cost [3],[4],[5],[12],[16]   $ 897,000                  
Total investments at fair value [2],[4],[5],[12]   $ 850,000                  
Percentage of Net Assets [4],[5],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit CIFC CLO Ltd, Series 2018-3A Structured Product ($1,000par,due7/2031)Initial Acquisition Date 6/16/2022 Reference Rate and Spread SOFR+5.76% Interest Rate 11.16%                      
Investment, par [1],[4],[5],[12] $ 1,000,000                    
Investment due date [1],[4],[5],[12] 2031-07                    
Initial Acquisition Date [1],[4],[5],[12] Jun. 16, 2022                    
Reference Rate [1],[4],[5],[12] 5.76%   5.76% 5.76% 5.76% 5.76%          
Interest Rate [1],[4],[5],[12] 11.16%   11.16% 11.16% 11.16% 11.16%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 904,000                    
Total investments at fair value [1],[4],[5],[12] $ 956,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit CIFC CLO Ltd, Series 2021-4A Structured Product ($1,000 par, due 7/2033) Initial Acquisition Date 7/14/2022 Reference Rate and Spread L + 6.00% Interest Rate 8.51%                      
Investment, par [4],[5],[12]   $ 1,000,000                  
Investment due date [4],[5],[12]   2033-07                  
Initial Acquisition Date [4],[5],[12]   Jul. 14, 2022                  
Reference Rate [4],[5],[12]   6.00%         6.00% 6.00% 6.00% 6.00%  
Interest Rate [4],[5],[12]   8.51%         8.51% 8.51% 8.51% 8.51%  
Investments at amortized cost [3],[4],[5],[12],[16]   $ 879,000                  
Total investments at fair value [2],[4],[5],[12]   $ 909,000                  
Percentage of Net Assets [4],[5],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit CIFC CLO Ltd, Series 2021-4A Structured Product ($1,000par,due7/2033)Initial Acquisition Date 7/14/2022 Reference Rate and Spread SOFR+6.26% Interest Rate 11.66%                      
Investment, par [1],[4],[5],[12] $ 1,000,000                    
Investment due date [1],[4],[5],[12] 2033-07                    
Initial Acquisition Date [1],[4],[5],[12] Jul. 14, 2022                    
Reference Rate [1],[4],[5],[12] 6.26%   6.26% 6.26% 6.26% 6.26%          
Interest Rate [1],[4],[5],[12] 11.66%   11.66% 11.66% 11.66% 11.66%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 900,000                    
Total investments at fair value [1],[4],[5],[12] $ 991,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit CarVal CLO III Ltd, Series 2019-2A Structured Product ($1,000 par, due 7/2032) Initial Acquisition Date 6/30/2022 Reference Rate and Spread L + 6.44% Interest Rate 9.15%                      
Investment, par [4],[5],[12]   $ 1,000,000                  
Investment due date [4],[5],[12]   2032-07                  
Initial Acquisition Date [4],[5],[12]   Jun. 30, 2022                  
Reference Rate [4],[5],[12]   6.44%         6.44% 6.44% 6.44% 6.44%  
Interest Rate [4],[5],[12]   9.15%         9.15% 9.15% 9.15% 9.15%  
Investments at amortized cost [3],[4],[5],[12],[16]   $ 897,000                  
Total investments at fair value [2],[4],[5],[12]   $ 887,000                  
Percentage of Net Assets [4],[5],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit CarVal CLO III Ltd, Series 2019-2A Structured Product ($1,000par,due7/2032) Initial Acquisition Date 6/30/2022 Reference Rate and Spread SOFR+6.70% Interest Rate 12.11%                      
Investment, par [1],[4],[5],[12] $ 1,000,000                    
Investment due date [1],[4],[5],[12] 2032-07                    
Initial Acquisition Date [1],[4],[5],[12] Jun. 30, 2022                    
Reference Rate [1],[4],[5],[12] 6.70%   6.70% 6.70% 6.70% 6.70%          
Interest Rate [1],[4],[5],[12] 12.11%   12.11% 12.11% 12.11% 12.11%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 903,000                    
Total investments at fair value [1],[4],[5],[12] $ 971,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Carlyle Global Market Strategies CLO Ltd, Series 2014-4RA Structured Product ($1,000 par, due 7/2030) Initial Acquisition Date 3/26/2022 Reference Rate and Spread L + 2.90% Interest Rate 5.41%                      
Investment, par [4],[5],[12]   $ 1,000,000                  
Investment due date [4],[5],[12]   2030-07                  
Initial Acquisition Date [4],[5],[12]   May 26, 2022                  
Reference Rate [4],[5],[12]   2.90%         2.90% 2.90% 2.90% 2.90%  
Interest Rate [4],[5],[12]   5.41%         5.41% 5.41% 5.41% 5.41%  
Investments at amortized cost [3],[4],[5],[12],[16]   $ 892,000                  
Total investments at fair value [2],[4],[5],[12]   $ 844,000                  
Percentage of Net Assets [4],[5],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Carlyle Global Market Strategies CLO Ltd, Series 2014-4RA Structured Product ($1,000par,due7/2030) Initial Acquisition Date 5/26/2022 Reference Rate and Spread SOFR+3.16% Interest Rate 8.56%                      
Investment, par [1],[4],[5],[12] $ 1,000,000                    
Investment due date [1],[4],[5],[12] 2030-07                    
Initial Acquisition Date [1],[4],[5],[12] May 26, 2022                    
Reference Rate [1],[4],[5],[12] 3.16%   3.16% 3.16% 3.16% 3.16%          
Interest Rate [1],[4],[5],[12] 8.56%   8.56% 8.56% 8.56% 8.56%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 920,000                    
Total investments at fair value [1],[4],[5],[12] $ 962,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Carlyle Global Market Strategies CLO Ltd, Series 2016-1, Ltd Structured Product ($1,600par,due4/2034) Initial Acquisition Date 2/15/2023 Reference Rate and Spread SOFR+6.86% Interest Rate 12.28%                      
Investment, par [1],[4],[5],[12],[25] $ 1,600,000                    
Investment due date [1],[4],[5],[12],[25] 2034-04                    
Initial Acquisition Date [1],[4],[5],[12],[25] Feb. 15, 2023                    
Reference Rate [1],[4],[5],[12],[25] 6.86%   6.86% 6.86% 6.86% 6.86%          
Interest Rate [1],[4],[5],[12],[25] 12.28%   12.28% 12.28% 12.28% 12.28%          
Investments at amortized cost [1],[2],[3],[4],[5],[12],[25] $ 1,430,000                    
Total investments at fair value [1],[4],[5],[12],[25] $ 1,521,000                    
Percentage of Net Assets [1],[4],[5],[12],[25] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Carlyle Global Market Strategies CLO Ltd, Series 2018-1A Structured Product ($1,550 par, due 4/2031) Initial Acquisition Date 8/11/2020 Reference Rate and Spread L + 5.75% Interest Rate 8.46%                      
Investment, par [4],[5],[12]   $ 1,550,000                  
Investment due date [4],[5],[12]   2031-04                  
Initial Acquisition Date [4],[5],[12]   Aug. 11, 2020                  
Reference Rate [4],[5],[12]   5.75%         5.75% 5.75% 5.75% 5.75%  
Interest Rate [4],[5],[12]   8.46%         8.46% 8.46% 8.46% 8.46%  
Investments at amortized cost [3],[4],[5],[12],[16]   $ 1,246,000                  
Total investments at fair value [2],[4],[5],[12]   $ 1,241,000                  
Percentage of Net Assets [4],[5],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Carlyle Global Market Strategies CLO Ltd, Series 2018-1A Structured Product ($1,550par,due4/2031) Initial Acquisition Date 8/11/2020 Reference Rate and Spread SOFR+6.01% Interest Rate 11.42%                      
Investment, par [1],[4],[5],[12] $ 1,550,000                    
Investment due date [1],[4],[5],[12] 2031-04                    
Initial Acquisition Date [1],[4],[5],[12] Aug. 11, 2020                    
Reference Rate [1],[4],[5],[12] 6.01%   6.01% 6.01% 6.01% 6.01%          
Interest Rate [1],[4],[5],[12] 11.42%   11.42% 11.42% 11.42% 11.42%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 1,264,000                    
Total investments at fair value [1],[4],[5],[12] $ 1,442,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Cedar Funding CLO Ltd, Series 2018-7A Structured Product ($1,000 par, due 1/2031) Initial Acquisition Date 7/21/2022 Reference Rate and Spread L + 4.55% Interest Rate 7.26%                      
Investment, par [4],[5],[12]   $ 1,000,000                  
Investment due date [4],[5],[12]   2031-01                  
Initial Acquisition Date [4],[5],[12]   Jul. 21, 2022                  
Reference Rate [4],[5],[12]   4.55%         4.55% 4.55% 4.55% 4.55%  
Interest Rate [4],[5],[12]   7.26%         7.26% 7.26% 7.26% 7.26%  
Investments at amortized cost [3],[4],[5],[12],[16]   $ 861,000                  
Total investments at fair value [2],[4],[5],[12]   $ 847,000                  
Percentage of Net Assets [4],[5],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Cedar Funding CLO Ltd, Series 2018-7A Structured Product ($1,000par,due1/2031) Initial Acquisition Date 7/21/2022 Reference Rate and Spread SOFR+4.81% Interest Rate 10.23%                      
Investment, par [1],[4],[5],[12] $ 1,000,000                    
Investment due date [1],[4],[5],[12] 2031-01                    
Initial Acquisition Date [1],[4],[5],[12] Jul. 21, 2022                    
Reference Rate [1],[4],[5],[12] 4.81%   4.81% 4.81% 4.81% 4.81%          
Interest Rate [1],[4],[5],[12] 10.23%   10.23% 10.23% 10.23% 10.23%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 874,000                    
Total investments at fair value [1],[4],[5],[12] $ 934,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Crown Point CLO Ltd, Series 2021-10A Structured Product ($1,000 par, due 7/2034) Initial Acquisition Date 6/14/2022 Reference Rate and Spread L + 6.85% Interest Rate 9.56%                      
Investment, par [4],[5],[12]   $ 1,000,000                  
Investment due date [4],[5],[12]   2034-07                  
Initial Acquisition Date [4],[5],[12]   Jun. 14, 2022                  
Reference Rate [4],[5],[12]   6.85%         6.85% 6.85% 6.85% 6.85%  
Interest Rate [4],[5],[12]   9.56%         9.56% 9.56% 9.56% 9.56%  
Investments at amortized cost [3],[4],[5],[12],[16]   $ 900,000                  
Total investments at fair value [2],[4],[5],[12]   $ 871,000                  
Percentage of Net Assets [4],[5],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Crown Point CLO Ltd, Series 2021-10A Structured Product ($1,000par,due7/2034) Initial Acquisition Date 6/14/2022 Reference Rate and Spread SOFR+7.11% Interest Rate 12.53%                      
Investment, par [1],[4],[5],[12] $ 1,000,000                    
Investment due date [1],[4],[5],[12] 2034-07                    
Initial Acquisition Date [1],[4],[5],[12] Jun. 14, 2022                    
Reference Rate [1],[4],[5],[12] 7.11%   7.11% 7.11% 7.11% 7.11%          
Interest Rate [1],[4],[5],[12] 12.53%   12.53% 12.53% 12.53% 12.53%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 903,000                    
Total investments at fair value [1],[4],[5],[12] $ 953,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Dryden Senior Loan Fund, Series 2018-55A Structured Product ($1,000 par, due 4/2031) Initial Acquisition Date 7/25/2022 Reference Rate and Spread L + 2.85% Interest Rate 5.36%                      
Investment, par [4],[5],[12]   $ 1,000,000                  
Investment due date [4],[5],[12]   2031-04                  
Initial Acquisition Date [4],[5],[12]   Jul. 25, 2022                  
Reference Rate [4],[5],[12]   2.85%         2.85% 2.85% 2.85% 2.85%  
Interest Rate [4],[5],[12]   5.36%         5.36% 5.36% 5.36% 5.36%  
Investments at amortized cost [3],[4],[5],[12],[16]   $ 900,000                  
Total investments at fair value [2],[4],[5],[12]   $ 883,000                  
Percentage of Net Assets [4],[5],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Dryden Senior Loan Fund, Series 2018-55A Structured Product ($1,000par,due4/2031)Initial Acquisition Date 7/25/2022 Reference Rate and Spread SOFR+3.11% Interest Rate 8.51%                      
Investment, par [1],[4],[5],[12] $ 1,000,000                    
Investment due date [1],[4],[5],[12] 2031-04                    
Initial Acquisition Date [1],[4],[5],[12] Jul. 25, 2022                    
Reference Rate [1],[4],[5],[12] 3.11%   3.11% 3.11% 3.11% 3.11%          
Interest Rate [1],[4],[5],[12] 8.51%   8.51% 8.51% 8.51% 8.51%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 927,000                    
Total investments at fair value [1],[4],[5],[12] $ 959,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Dryden Senior Loan Fund, Series 2020-86A Structured Product ($1,500 par, due 7/2034) Initial Acquisition Date 8/17/2022 Reference Rate and Spread L + 6.50% Interest Rate 9.24%                      
Investment, par [4],[5],[12]   $ 1,500,000                  
Investment due date [4],[5],[12]   2034-07                  
Initial Acquisition Date [4],[5],[12]   Aug. 17, 2022                  
Reference Rate [4],[5],[12]   6.50%         6.50% 6.50% 6.50% 6.50%  
Interest Rate [4],[5],[12]   9.24%         9.24% 9.24% 9.24% 9.24%  
Investments at amortized cost [3],[4],[5],[12],[16]   $ 1,417,000                  
Total investments at fair value [2],[4],[5],[12]   $ 1,307,000                  
Percentage of Net Assets [4],[5],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Dryden Senior Loan Fund, Series 2020-86A Structured Product ($1,500par,due7/2034) Initial Acquisition Date 8/17/2022 Reference Rate and Spread SOFR+6.76% Interest Rate 12.16%                      
Investment, par [1],[4],[5],[12] $ 1,500,000                    
Investment due date [1],[4],[5],[12] 2034-07                    
Initial Acquisition Date [1],[4],[5],[12] Aug. 17, 2022                    
Reference Rate [1],[4],[5],[12] 6.76%   6.76% 6.76% 6.76% 6.76%          
Interest Rate [1],[4],[5],[12] 12.16%   12.16% 12.16% 12.16% 12.16%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 1,463,000                    
Total investments at fair value [1],[4],[5],[12] $ 1,433,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Eaton CLO Ltd, Series 2015-1A Structured Product ($2,500 par, due 1/2030) Initial Acquisition Date 6/23/2022 Reference Rate and Spread L + 2.50% Interest Rate 5.21%                      
Investment, par [4],[5],[12]   $ 2,500,000                  
Investment due date [4],[5],[12]   2030-01                  
Initial Acquisition Date [4],[5],[12]   Jun. 23, 2022                  
Reference Rate [4],[5],[12]   2.50%         2.50% 2.50% 2.50% 2.50%  
Interest Rate [4],[5],[12]   5.21%         5.21% 5.21% 5.21% 5.21%  
Investments at amortized cost [3],[4],[5],[12],[16]   $ 2,227,000                  
Total investments at fair value [2],[4],[5],[12]   $ 2,183,000                  
Percentage of Net Assets [4],[5],[12]   0.20%         0.20% 0.20% 0.20% 0.20%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Eaton CLO Ltd, Series 2015-1A Structured Product ($2,500par,due1/2030) Initial Acquisition Date 6/23/2022 Reference Rate and Spread SOFR+2.76% Interest Rate 8.18%                      
Investment, par [1],[4],[5],[12] $ 2,500,000                    
Investment due date [1],[4],[5],[12] 2030-01                    
Initial Acquisition Date [1],[4],[5],[12] Jun. 23, 2022                    
Reference Rate [1],[4],[5],[12] 2.76%   2.76% 2.76% 2.76% 2.76%          
Interest Rate [1],[4],[5],[12] 8.18%   8.18% 8.18% 8.18% 8.18%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 2,260,000                    
Total investments at fair value [1],[4],[5],[12] $ 2,410,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.20%   0.20% 0.20% 0.20% 0.20%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Eaton CLO Ltd, Series 2020-1A Structured Product ($1,000 par, due 10/2034) Initial Acquisition Date 8/11/2022 Reference Rate and Spread L + 6.25% Interest Rate 8.76%                      
Investment, par [4],[5],[7],[12]   $ 1,000,000                  
Investment due date [4],[5],[7],[12]   2034-10                  
Initial Acquisition Date [4],[5],[7],[12]   Aug. 11, 2022                  
Reference Rate [4],[5],[7],[12]   6.25%         6.25% 6.25% 6.25% 6.25%  
Interest Rate [4],[5],[7],[12]   8.76%         8.76% 8.76% 8.76% 8.76%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 931,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 888,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Eaton CLO Ltd, Series 2020-1A Structured Product ($1,000par,due10/2034) Initial Acquisition Date 8/11/2022 Reference Rate and Spread SOFR+6.51% Interest Rate 11.91%                      
Investment, par [1],[4],[5],[12] $ 1,000,000                    
Investment due date [1],[4],[5],[12] 2034-10                    
Initial Acquisition Date [1],[4],[5],[12] Aug. 11, 2022                    
Reference Rate [1],[4],[5],[12] 6.51%   6.51% 6.51% 6.51% 6.51%          
Interest Rate [1],[4],[5],[12] 11.91%   11.91% 11.91% 11.91% 11.91%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 936,000                    
Total investments at fair value [1],[4],[5],[12] $ 970,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit GoldenTree CLO Ltd, Series 2020-7A Structured Product ($1,000 par, due 4/2034) Initial Acquisition Date 6/17/2022 Reference Rate and Spread L + 6.50% Interest Rate 9.21%                      
Investment, par [4],[5],[7],[12]   $ 1,000,000                  
Investment due date [4],[5],[7],[12]   2034-04                  
Initial Acquisition Date [4],[5],[7],[12]   Jun. 17, 2022                  
Reference Rate [4],[5],[7],[12]   6.50%         6.50% 6.50% 6.50% 6.50%  
Interest Rate [4],[5],[7],[12]   9.21%         9.21% 9.21% 9.21% 9.21%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 918,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 914,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit GoldenTree CLO Ltd, Series 2020-7A Structured Product ($1,000par,due4/2034) Initial Acquisition Date 6/17/2022 Reference Rate and Spread SOFR+6.76% Interest Rate 12.18%                      
Investment, par [1],[4],[5],[12] $ 1,000,000                    
Investment due date [1],[4],[5],[12] 2034-04                    
Initial Acquisition Date [1],[4],[5],[12] Jun. 17, 2022                    
Reference Rate [1],[4],[5],[12] 6.76%   6.76% 6.76% 6.76% 6.76%          
Interest Rate [1],[4],[5],[12] 12.18%   12.18% 12.18% 12.18% 12.18%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 921,000                    
Total investments at fair value [1],[4],[5],[12] $ 994,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Gulf Stream Meridian, Series 2021-4A Structured Product ($1,015 par, due 7/2034) Initial Acquisition Date 6/3/2022 Reference Rate and Spread L + 6.35% Interest Rate 8.86%                      
Investment, par [4],[5],[7],[12]   $ 1,015,000                  
Investment due date [4],[5],[7],[12]   2034-07                  
Initial Acquisition Date [4],[5],[7],[12]   Jun. 03, 2022                  
Reference Rate [4],[5],[7],[12]   6.35%         6.35% 6.35% 6.35% 6.35%  
Interest Rate [4],[5],[7],[12]   8.86%         8.86% 8.86% 8.86% 8.86%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 932,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 872,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Gulf Stream Meridian, Series 2021-4A Structured Product ($1,015par,due7/2034) Initial Acquisition Date 6/3/2022 Reference Rate and Spread SOFR+6.61% Interest Rate 12.01%                      
Investment, par [1],[4],[5],[12] $ 1,015,000                    
Investment due date [1],[4],[5],[12] 2034-07                    
Initial Acquisition Date [1],[4],[5],[12] Jun. 03, 2022                    
Reference Rate [1],[4],[5],[12] 6.61%   6.61% 6.61% 6.61% 6.61%          
Interest Rate [1],[4],[5],[12] 12.01%   12.01% 12.01% 12.01% 12.01%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 942,000                    
Total investments at fair value [1],[4],[5],[12] $ 968,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Gulf Stream Meridian, Series 2021-6A Structured Product ($2,000 par, due 1/2037) Initial Acquisition Date 9/12/2022 Reference Rate and Spread L + 6.36% Interest Rate 8.87%                      
Investment, par [4],[5],[7],[12]   $ 2,000,000                  
Investment due date [4],[5],[7],[12]   2037-01                  
Initial Acquisition Date [4],[5],[7],[12]   Sep. 12, 2022                  
Reference Rate [4],[5],[7],[12]   6.36%         6.36% 6.36% 6.36% 6.36%  
Interest Rate [4],[5],[7],[12]   8.87%         8.87% 8.87% 8.87% 8.87%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 1,799,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 1,718,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Gulf Stream Meridian, Series 2021-6A Structured Product ($2,000par,due1/2037) Initial Acquisition Date 9/12/2022 Reference Rate and Spread SOFR+6.62% Interest Rate 11.93%                      
Investment, par [1],[4],[5],[12] $ 2,000,000                    
Investment due date [1],[4],[5],[12] 2037-01                    
Initial Acquisition Date [1],[4],[5],[12] Sep. 12, 2022                    
Reference Rate [1],[4],[5],[12] 6.62%   6.62% 6.62% 6.62% 6.62%          
Interest Rate [1],[4],[5],[12] 11.93%   11.93% 11.93% 11.93% 11.93%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 1,851,000                    
Total investments at fair value [1],[4],[5],[12] $ 1,928,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Jefferson Mill CLO Ltd, Series 2015-1A Structured Product ($1,000 par, due 10/2031) Initial Acquisition Date 5/23/2022 Reference Rate and Spread L + 3.55% Interest Rate 6.26%                      
Investment, par [4],[5],[7],[12]   $ 1,000,000                  
Investment due date [4],[5],[7],[12]   2031-10                  
Initial Acquisition Date [4],[5],[7],[12]   May 23, 2022                  
Reference Rate [4],[5],[7],[12]   3.55%         3.55% 3.55% 3.55% 3.55%  
Interest Rate [4],[5],[7],[12]   6.26%         6.26% 6.26% 6.26% 6.26%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 901,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 870,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Jefferson Mill CLO Ltd, Series 2015-1A Structured Product ($1,000par,due 10/2031) Initial Acquisition Date 5/23/2022 Reference Rate and Spread SOFR+ 3.81% Interest Rate 9.22%                      
Investment, par [1],[4],[5],[12] $ 1,000,000                    
Investment due date [1],[4],[5],[12] 2031-10                    
Initial Acquisition Date [1],[4],[5],[12] May 23, 2022                    
Reference Rate [1],[4],[5],[12] 3.81%   3.81% 3.81% 3.81% 3.81%          
Interest Rate [1],[4],[5],[12] 9.22%   9.22% 9.22% 9.22% 9.22%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 908,000                    
Total investments at fair value [1],[4],[5],[12] $ 965,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit KKR CLO Ltd, 49A Structured Product ($1,000 par, due 7/2035) Initial Acquisition Date 6/2/2022 Reference Rate and Spread L + 8.00% Interest Rate 10.17%                      
Investment, par [4],[5],[7],[12]   $ 1,000,000                  
Investment due date [4],[5],[7],[12]   2035-07                  
Initial Acquisition Date [4],[5],[7],[12]   Jun. 02, 2022                  
Reference Rate [4],[5],[7],[12]   8.00%         8.00% 8.00% 8.00% 8.00%  
Interest Rate [4],[5],[7],[12]   10.17%         10.17% 10.17% 10.17% 10.17%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 966,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 909,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit KKR CLO Ltd, 49A Structured Product ($1,000 par, due 7/2035) Initial Acquisition Date 6/2/2022 Reference Rate and Spread SOFR+ 8.26% Interest Rate 13.42%                      
Investment, par [1],[4],[5],[12] $ 1,000,000                    
Investment due date [1],[4],[5],[12] 2035-07                    
Initial Acquisition Date [1],[4],[5],[12] Jun. 02, 2022                    
Reference Rate [1],[4],[5],[12] 8.26%   8.26% 8.26% 8.26% 8.26%          
Interest Rate [1],[4],[5],[12] 13.42%   13.42% 13.42% 13.42% 13.42%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 978,000                    
Total investments at fair value [1],[4],[5],[12] $ 987,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Madison Park CLO, Series 2018-28A Structured Product ($1,000 par, due 7/2030) Initial Acquisition Date 6/28/2022 Reference Rate and Spread L + 5.25% Interest Rate 7.76%                      
Investment, par [4],[5],[7],[12]   $ 1,000,000                  
Investment due date [4],[5],[7],[12]   2030-07                  
Initial Acquisition Date [4],[5],[7],[12]   Jun. 28, 2022                  
Reference Rate [4],[5],[7],[12]   5.25%         5.25% 5.25% 5.25% 5.25%  
Interest Rate [4],[5],[7],[12]   7.76%         7.76% 7.76% 7.76% 7.76%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 881,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 877,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Madison Park CLO, Series 2018-28A Structured Product ($1,000 par, due 7/2030) Initial Acquisition Date 6/28/2022 Reference Rate and Spread SOFR+ 5.51% Interest Rate 10.91%                      
Investment, par [1],[4],[5],[12] $ 1,000,000                    
Investment due date [1],[4],[5],[12] 2030-07                    
Initial Acquisition Date [1],[4],[5],[12] Jun. 28, 2022                    
Reference Rate [1],[4],[5],[12] 5.51%   5.51% 5.51% 5.51% 5.51%          
Interest Rate [1],[4],[5],[12] 10.91%   10.91% 10.91% 10.91% 10.91%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 911,000                    
Total investments at fair value [1],[4],[5],[12] $ 963,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Magnetite CLO Ltd, Series 2021-30A Structured Product ($1,000 par, due 10/2034) Initial Acquisition Date 6/13/2022 Reference Rate and Spread L + 6.20% Interest Rate 8.98%                      
Investment, par [4],[5],[7],[12]   $ 1,000,000                  
Investment due date [4],[5],[7],[12]   2034-10                  
Initial Acquisition Date [4],[5],[7],[12]   Jun. 13, 2022                  
Reference Rate [4],[5],[7],[12]   6.20%         6.20% 6.20% 6.20% 6.20%  
Interest Rate [4],[5],[7],[12]   8.98%         8.98% 8.98% 8.98% 8.98%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 917,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 909,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Magnetite CLO Ltd, Series 2021-30A Structured Product ($1,000 par, due 10/2034) Initial Acquisition Date 6/13/2022 Reference Rate and Spread SOFR+ 6.46% Interest Rate 11.84%                      
Investment, par [1],[4],[5],[12] $ 1,000,000                    
Investment due date [1],[4],[5],[12] 2034-10                    
Initial Acquisition Date [1],[4],[5],[12] Jun. 13, 2022                    
Reference Rate [1],[4],[5],[12] 6.46%   6.46% 6.46% 6.46% 6.46%          
Interest Rate [1],[4],[5],[12] 11.84%   11.84% 11.84% 11.84% 11.84%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 920,000                    
Total investments at fair value [1],[4],[5],[12] $ 988,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit MidOcean Credit CLO Ltd, Series 2016-6A Structured Product ($3,500 par, due 4/2033) Initial Acquisition Date 5/23/2022 Reference Rate and Spread L + 3.52% Interest Rate 6.23%                      
Investment, par [4],[5],[7],[12]   $ 3,500,000                  
Investment due date [4],[5],[7],[12]   2033-04                  
Initial Acquisition Date [4],[5],[7],[12]   May 23, 2022                  
Reference Rate [4],[5],[7],[12]   3.52%         3.52% 3.52% 3.52% 3.52%  
Interest Rate [4],[5],[7],[12]   6.23%         6.23% 6.23% 6.23% 6.23%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 3,151,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 2,971,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.20%         0.20% 0.20% 0.20% 0.20%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit MidOcean Credit CLO Ltd, Series 2016-6A Structured Product ($3,500 par, due 4/2033) Initial Acquisition Date 5/23/2022 Reference Rate and Spread SOFR+ 3.78% Interest Rate 9.20%                      
Investment, par [1],[4],[5],[12] $ 3,500,000                    
Investment due date [1],[4],[5],[12] 2033-04                    
Initial Acquisition Date [1],[4],[5],[12] May 23, 2022                    
Reference Rate [1],[4],[5],[12] 3.78%   3.78% 3.78% 3.78% 3.78%          
Interest Rate [1],[4],[5],[12] 9.20%   9.20% 9.20% 9.20% 9.20%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 3,170,000                    
Total investments at fair value [1],[4],[5],[12] $ 3,274,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.20%   0.20% 0.20% 0.20% 0.20%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit MidOcean Credit CLO Ltd, Series 2018-9A Structured Product ($1,100 par, due 7/2031) Initial Acquisition Date 6/1/2022 Reference Rate and Spread L + 6.05% Interest Rate 8.76%                      
Investment, par [4],[5],[7],[12]   $ 1,100,000                  
Investment due date [4],[5],[7],[12]   2031-07                  
Initial Acquisition Date [4],[5],[7],[12]   Jun. 01, 2022                  
Reference Rate [4],[5],[7],[12]   6.05%         6.05% 6.05% 6.05% 6.05%  
Interest Rate [4],[5],[7],[12]   8.76%         8.76% 8.76% 8.76% 8.76%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 959,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 828,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit MidOcean Credit CLO Ltd, Series 2018-9A Structured Product ($1,100 par, due 7/2031) Initial Acquisition Date 6/1/2022 Reference Rate and Spread SOFR+ 6.31% Interest Rate 11.73%                      
Investment, par [1],[4],[5],[12] $ 1,100,000                    
Investment due date [1],[4],[5],[12] 2031-07                    
Initial Acquisition Date [1],[4],[5],[12] Jun. 01, 2022                    
Reference Rate [1],[4],[5],[12] 6.31%   6.31% 6.31% 6.31% 6.31%          
Interest Rate [1],[4],[5],[12] 11.73%   11.73% 11.73% 11.73% 11.73%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 970,000                    
Total investments at fair value [1],[4],[5],[12] $ 1,012,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Octagon 57 LLC, Series 2021-1A Structured Product ($1,000 par, due 10/2034) Initial Acquisition Date 5/24/2022 Reference Rate and Spread L + 6.60% Interest Rate 9.11%                      
Investment, par [4],[5],[7],[12]   $ 1,000,000                  
Investment due date [4],[5],[7],[12]   2034-10                  
Initial Acquisition Date [4],[5],[7],[12]   May 24, 2022                  
Reference Rate [4],[5],[7],[12]   6.60%         6.60% 6.60% 6.60% 6.60%  
Interest Rate [4],[5],[7],[12]   9.11%         9.11% 9.11% 9.11% 9.11%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 924,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 872,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Octagon 57 LLC, Series 2021-1A Structured Product ($1,000 par, due 10/2034) Initial Acquisition Date 5/24/2022 Reference Rate and Spread SOFR+ 6.86% Interest Rate 12.26%                      
Investment, par [1],[4],[5],[12] $ 1,000,000                    
Investment due date [1],[4],[5],[12] 2034-10                    
Initial Acquisition Date [1],[4],[5],[12] May 24, 2022                    
Reference Rate [1],[4],[5],[12] 6.86%   6.86% 6.86% 6.86% 6.86%          
Interest Rate [1],[4],[5],[12] 12.26%   12.26% 12.26% 12.26% 12.26%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 951,000                    
Total investments at fair value [1],[4],[5],[12] $ 940,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Octagon Investment Partners 18 Ltd, Series 2018 – 18A Structured Product ($1,000 par, due 4/2031) Initial Acquisition Date 7/26/2022 Reference Rate and Spread SOFR+ 2.96% Interest Rate 8.36%                      
Investment, par [1],[4],[5],[12] $ 1,000,000                    
Investment due date [1],[4],[5],[12] 2031-04                    
Initial Acquisition Date [1],[4],[5],[12] Jul. 26, 2022                    
Reference Rate [1],[4],[5],[12] 2.96%   2.96% 2.96% 2.96% 2.96%          
Interest Rate [1],[4],[5],[12] 8.36%   8.36% 8.36% 8.36% 8.36%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 913,000                    
Total investments at fair value [1],[4],[5],[12] $ 959,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Octagon Investment Partners 18 Ltd, Series 2018-18A Structured Product ($1,000 par, due 4/2031) Initial Acquisition Date 7/26/2022 Reference Rate and Spread L + 2.70% Interest Rate 5.44%                      
Investment, par [4],[5],[7],[12]   $ 1,000,000                  
Investment due date [4],[5],[7],[12]   2031-04                  
Initial Acquisition Date [4],[5],[7],[12]   Jul. 26, 2022                  
Reference Rate [4],[5],[7],[12]   2.70%         2.70% 2.70% 2.70% 2.70%  
Interest Rate [4],[5],[7],[12]   5.44%         5.44% 5.44% 5.44% 5.44%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 890,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 855,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Octagon Investment Partners 38 Ltd, Series 2018 – 1A Structured Product ($2,800 par, due 7/2030) Initial Acquisition Date 9/20/2022 Reference Rate and Spread SOFR+ 3.21% Interest Rate 8.63%                      
Investment, par [1],[4],[5],[12] $ 2,800,000                    
Investment due date [1],[4],[5],[12] 2030-07                    
Initial Acquisition Date [1],[4],[5],[12] Sep. 20, 2022                    
Reference Rate [1],[4],[5],[12] 3.21%   3.21% 3.21% 3.21% 3.21%          
Interest Rate [1],[4],[5],[12] 8.63%   8.63% 8.63% 8.63% 8.63%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 2,505,000                    
Total investments at fair value [1],[4],[5],[12] $ 2,713,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.20%   0.20% 0.20% 0.20% 0.20%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Octagon Investment Partners 38 Ltd, Series 2018-1A Structured Product ($2,800 par, due 7/2030) Initial Acquisition Date 9/20/2022 Reference Rate and Spread L + 2.95% Interest Rate 5.66%                      
Investment, par [4],[5],[7],[12]   $ 2,800,000                  
Investment due date [4],[5],[7],[12]   2030-07                  
Initial Acquisition Date [4],[5],[7],[12]   Sep. 20, 2022                  
Reference Rate [4],[5],[7],[12]   2.95%         2.95% 2.95% 2.95% 2.95%  
Interest Rate [4],[5],[7],[12]   5.66%         5.66% 5.66% 5.66% 5.66%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 2,456,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 2,436,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.20%         0.20% 0.20% 0.20% 0.20%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Park Avenue Institutional Advisers CLO Ltd, Series 2018-1A Structured Product ($1,000 par, due 10/2031) Initial Acquisition Date 9/23/2022 Reference Rate and Spread L + 3.33% Interest Rate 6.04%                      
Investment, par [4],[5],[7],[12]   $ 1,000,000                  
Investment due date [4],[5],[7],[12]   2031-10                  
Initial Acquisition Date [4],[5],[7],[12]   Sep. 23, 2022                  
Reference Rate [4],[5],[7],[12]   3.33%         3.33% 3.33% 3.33% 3.33%  
Interest Rate [4],[5],[7],[12]   6.04%         6.04% 6.04% 6.04% 6.04%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 863,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 870,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Park Avenue Institutional Advisers CLO Ltd, Series 2018-1A Structured Product ($1,000 par,due 10/2031) Initial Acquisition Date 9/23/2022 Reference Rate and Spread SOFR+ 3.59% Interest Rate 9.01%                      
Investment, par [1],[4],[5],[12] $ 1,000,000                    
Investment due date [1],[4],[5],[12] 2031-10                    
Initial Acquisition Date [1],[4],[5],[12] Sep. 23, 2022                    
Reference Rate [1],[4],[5],[12] 3.59%   3.59% 3.59% 3.59% 3.59%          
Interest Rate [1],[4],[5],[12] 9.01%   9.01% 9.01% 9.01% 9.01%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 870,000                    
Total investments at fair value [1],[4],[5],[12] $ 925,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Pikes Peak CLO, Series 2021-9A Structured Product ($2,000 par, due 10/2034) Initial Acquisition Date 8/31/2022 Reference Rate and Spread L + 6.58% Interest Rate 9.35%                      
Investment, par [4],[5],[7],[12]   $ 2,000,000                  
Investment due date [4],[5],[7],[12]   2034-10                  
Initial Acquisition Date [4],[5],[7],[12]   Aug. 31, 2022                  
Reference Rate [4],[5],[7],[12]   6.58%         6.58% 6.58% 6.58% 6.58%  
Interest Rate [4],[5],[7],[12]   9.35%         9.35% 9.35% 9.35% 9.35%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 1,782,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 1,721,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Pikes Peak CLO, Series 2021-9A Structured Product ($2,000 par,due 10/2034) Initial Acquisition Date 8/31/2022 Reference Rate and Spread SOFR+ 6.84% Interest Rate 12.23%                      
Investment, par [1],[4],[5],[12] $ 2,000,000                    
Investment due date [1],[4],[5],[12] 2034-10                    
Initial Acquisition Date [1],[4],[5],[12] Aug. 31, 2022                    
Reference Rate [1],[4],[5],[12] 6.84%   6.84% 6.84% 6.84% 6.84%          
Interest Rate [1],[4],[5],[12] 12.23%   12.23% 12.23% 12.23% 12.23%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 1,787,000                    
Total investments at fair value [1],[4],[5],[12] $ 1,890,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit RR Ltd, Series 2020-8A Structured Product ($1,000 par, due 4/2033) Initial Acquisition Date 8/22/2022 Reference Rate and Spread L + 6.40% Interest Rate 8.91%                      
Investment, par [4],[5],[7],[12]   $ 1,000,000                  
Investment due date [4],[5],[7],[12]   2033-04                  
Initial Acquisition Date [4],[5],[7],[12]   Aug. 22, 2022                  
Reference Rate [4],[5],[7],[12]   6.40%         6.40% 6.40% 6.40% 6.40%  
Interest Rate [4],[5],[7],[12]   8.91%         8.91% 8.91% 8.91% 8.91%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 929,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 909,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit RR Ltd, Series 2020-8A Structured Product ($1,000par,due4/2033) Initial Acquisition Date 8/22/2022 Reference Rate and Spread SOFR+6.66% Interest Rate 12.06%                      
Investment, par [1],[4],[5],[12] $ 1,000,000                    
Investment due date [1],[4],[5],[12] 2033-04                    
Initial Acquisition Date [1],[4],[5],[12] Aug. 22, 2022                    
Reference Rate [1],[4],[5],[12] 6.66%   6.66% 6.66% 6.66% 6.66%          
Interest Rate [1],[4],[5],[12] 12.06%   12.06% 12.06% 12.06% 12.06%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 955,000                    
Total investments at fair value [1],[4],[5],[12] $ 995,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Shackelton CLO Ltd, Series 2015-7RA Structured Product ($1,000 par, due 7/2031) Initial Acquisition Date 5/23/2022 Reference Rate and Spread L + 3.33% Interest Rate 5.84%                      
Investment, par [4],[5],[7],[12]   $ 1,000,000                  
Investment due date [4],[5],[7],[12]   2031-07                  
Initial Acquisition Date [4],[5],[7],[12]   May 23, 2022                  
Reference Rate [4],[5],[7],[12]   3.33%         3.33% 3.33% 3.33% 3.33%  
Interest Rate [4],[5],[7],[12]   5.84%         5.84% 5.84% 5.84% 5.84%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 890,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 855,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Signal Peak CLO LLC, Series 2018-5A Structured Product ($1,000 par, due 4/2031) Initial Acquisition Date 8/9/2022 Reference Rate and Spread L + 5.65% Interest Rate 8.43%                      
Investment, par [4],[5],[7],[12]   $ 1,000,000                  
Investment due date [4],[5],[7],[12]   2031-04                  
Initial Acquisition Date [4],[5],[7],[12]   Aug. 09, 2022                  
Reference Rate [4],[5],[7],[12]   5.65%         5.65% 5.65% 5.65% 5.65%  
Interest Rate [4],[5],[7],[12]   8.43%         8.43% 8.43% 8.43% 8.43%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 896,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 824,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Signal Peak CLO LLC, Series 2018-5A Structured Product ($333 par,due 4/2031) Initial Acquisition Date 8/9/2022 Reference Rate and Spread SOFR+ 5.91% Interest Rate 11.29%                      
Investment, par [1],[4],[5],[12] $ 333,000                    
Investment due date [1],[4],[5],[12] 2031-04                    
Initial Acquisition Date [1],[4],[5],[12] Aug. 09, 2022                    
Reference Rate [1],[4],[5],[12] 5.91%   5.91% 5.91% 5.91% 5.91%          
Interest Rate [1],[4],[5],[12] 11.29%   11.29% 11.29% 11.29% 11.29%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 301,000                    
Total investments at fair value [1],[4],[5],[12] $ 318,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.00%   0.00% 0.00% 0.00% 0.00%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Southwick Park CLO Ltd, Series 2019-4A Structured Product ($1,000 par, due 7/2032) Initial Acquisition Date 5/25/2022 Reference Rate and Spread L + 6.25% Interest Rate 8.96%                      
Investment, par [4],[5],[7],[12]   $ 1,000,000                  
Investment due date [4],[5],[7],[12]   2032-07                  
Initial Acquisition Date [4],[5],[7],[12]   May 25, 2022                  
Reference Rate [4],[5],[7],[12]   6.25%         6.25% 6.25% 6.25% 6.25%  
Interest Rate [4],[5],[7],[12]   8.96%         8.96% 8.96% 8.96% 8.96%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 928,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 867,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Southwick Park CLO Ltd, Series 2019-4A Structured Product ($1,000 par,due 7/2032) Initial Acquisition Date 5/25/2022 Reference Rate and Spread SOFR+ 6.51% Interest Rate 11.93%                      
Investment, par [1],[4],[5],[12] $ 1,000,000                    
Investment due date [1],[4],[5],[12] 2032-07                    
Initial Acquisition Date [1],[4],[5],[12] May 25, 2022                    
Reference Rate [1],[4],[5],[12] 6.51%   6.51% 6.51% 6.51% 6.51%          
Interest Rate [1],[4],[5],[12] 11.93%   11.93% 11.93% 11.93% 11.93%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 932,000                    
Total investments at fair value [1],[4],[5],[12] $ 968,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Stewart Park CLO Ltd, Series 2015-1A Structured Product ($1,000 par, due 1/2030) Initial Acquisition Date 7/25/2022 Reference Rate and Spread L + 2.60% Interest Rate 5.11%                      
Investment, par [4],[5],[7],[12]   $ 1,000,000                  
Investment due date [4],[5],[7],[12]   2030-01                  
Initial Acquisition Date [4],[5],[7],[12]   Jul. 25, 2022                  
Reference Rate [4],[5],[7],[12]   2.60%         2.60% 2.60% 2.60% 2.60%  
Interest Rate [4],[5],[7],[12]   5.11%         5.11% 5.11% 5.11% 5.11%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 897,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 888,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Stewart Park CLO Ltd, Series 2015-1A Structured Product ($1,000 par,due 1/2030) Initial Acquisition Date 7/25/2022 Reference Rate and Spread SOFR+ 2.86% Interest Rate 8.26%                      
Investment, par [1],[4],[5],[12] $ 1,000,000                    
Investment due date [1],[4],[5],[12] 2030-01                    
Initial Acquisition Date [1],[4],[5],[12] Jul. 25, 2022                    
Reference Rate [1],[4],[5],[12] 2.86%   2.86% 2.86% 2.86% 2.86%          
Interest Rate [1],[4],[5],[12] 8.26%   8.26% 8.26% 8.26% 8.26%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 928,000                    
Total investments at fair value [1],[4],[5],[12] $ 970,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Voya CLO Ltd, Series 2018-3A Structured Product ($2,750 par, due 10/2031) Initial Acquisition Date 6/22/2022 Reference Rate and Spread L + 5.75% Interest Rate 8.26%                      
Investment, par [4],[5],[7],[12]   $ 2,750,000                  
Investment due date [4],[5],[7],[12]   2031-10                  
Initial Acquisition Date [4],[5],[7],[12]   Jun. 22, 2022                  
Reference Rate [4],[5],[7],[12]   5.75%         5.75% 5.75% 5.75% 5.75%  
Interest Rate [4],[5],[7],[12]   8.26%         8.26% 8.26% 8.26% 8.26%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 2,382,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 2,166,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Voya CLO Ltd, Series 2018-3A Structured Product ($2,750 par, due 10/2031) Initial Acquisition Date 6/22/2022 Reference Rate and Spread SOFR+ 6.01% Interest Rate 11.41%                      
Investment, par [1],[4],[5],[12] $ 2,750,000                    
Investment due date [1],[4],[5],[12] 2031-10                    
Initial Acquisition Date [1],[4],[5],[12] Jun. 22, 2022                    
Reference Rate [1],[4],[5],[12] 6.01%   6.01% 6.01% 6.01% 6.01%          
Interest Rate [1],[4],[5],[12] 11.41%   11.41% 11.41% 11.41% 11.41%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 2,441,000                    
Total investments at fair value [1],[4],[5],[12] $ 2,484,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.20%   0.20% 0.20% 0.20% 0.20%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Whitebox CLO I Ltd, Series 2020-2A Structured Product ($1,125 par, due 10/2034) Initial Acquisition Date 7/12/2022 Reference Rate and Spread L + 3.35% Interest Rate 6.13%                      
Investment, par [4],[5],[7],[12]   $ 1,125,000                  
Investment due date [4],[5],[7],[12]   2034-10                  
Initial Acquisition Date [4],[5],[7],[12]   Jul. 12, 2022                  
Reference Rate [4],[5],[7],[12]   3.35%         3.35% 3.35% 3.35% 3.35%  
Interest Rate [4],[5],[7],[12]   6.13%         6.13% 6.13% 6.13% 6.13%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 1,005,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 1,056,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.00%         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Wind River CLO Ltd, Series 2014-2A Structured Product ($1,500 par, due 1/2031) Initial Acquisition Date 6/23/2022 Reference Rate and Spread L + 2.90% Interest Rate 5.41%                      
Investment, par [4],[5],[7],[12]   $ 1,500,000                  
Investment due date [4],[5],[7],[12]   2031-01                  
Initial Acquisition Date [4],[5],[7],[12]   Jun. 23, 2022                  
Reference Rate [4],[5],[7],[12]   2.90%         2.90% 2.90% 2.90% 2.90%  
Interest Rate [4],[5],[7],[12]   5.41%         5.41% 5.41% 5.41% 5.41%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 1,347,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 1,293,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.00%         0.00% 0.00% 0.00% 0.00%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Wind River CLO Ltd, Series 2014-2A Structured Product ($1,500par,due 1/2031) Initial Acquisition Date 6/23/2022 Reference Rate and Spread SOFR+ 3.16% Interest Rate 8.56%                      
Investment, par [1],[4],[5],[12] $ 1,500,000                    
Investment due date [1],[4],[5],[12] 2031-01                    
Initial Acquisition Date [1],[4],[5],[12] Jun. 23, 2022                    
Reference Rate [1],[4],[5],[12] 3.16%   3.16% 3.16% 3.16% 3.16%          
Interest Rate [1],[4],[5],[12] 8.56%   8.56% 8.56% 8.56% 8.56%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 1,407,000                    
Total investments at fair value [1],[4],[5],[12] $ 1,404,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Wind River CLO Ltd, Series 2017-1A Structured Product ($3,000 par, due 4/2036) Initial Acquisition Date 7/14/2022 Reference Rate and Spread L + 3.72% Interest Rate 6.46%                      
Investment, par [4],[5],[7],[12]   $ 3,000,000                  
Investment due date [4],[5],[7],[12]   2036-04                  
Initial Acquisition Date [4],[5],[7],[12]   Jul. 14, 2022                  
Reference Rate [4],[5],[7],[12]   3.72%         3.72% 3.72% 3.72% 3.72%  
Interest Rate [4],[5],[7],[12]   6.46%         6.46% 6.46% 6.46% 6.46%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 2,617,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 2,624,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Wind River CLO Ltd, Series 2017-1A Structured Product ($3,000par, due 4/2036) Initial Acquisition Date 7/14/2022 Reference Rate and Spread SOFR+ 3.98% Interest Rate 9.38%                      
Investment, par [1],[4],[5],[12] $ 3,000,000                    
Investment due date [1],[4],[5],[12] 2036-04                    
Initial Acquisition Date [1],[4],[5],[12] Jul. 14, 2022                    
Reference Rate [1],[4],[5],[12] 3.98%   3.98% 3.98% 3.98% 3.98%          
Interest Rate [1],[4],[5],[12] 9.38%   9.38% 9.38% 9.38% 9.38%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 2,633,000                    
Total investments at fair value [1],[4],[5],[12] $ 2,911,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.20%   0.20% 0.20% 0.20% 0.20%          
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Wind River CLO Ltd, Series 2018-3A Structured Product ($2,000 par, due 1/2031) Initial Acquisition Date 12/12/2022 Reference Rate and Spread L + 5.65% Interest Rate 6.46%                      
Investment, par [4],[5],[7],[12]   $ 2,000,000                  
Investment due date [4],[5],[7],[12]   2031-01                  
Initial Acquisition Date [4],[5],[7],[12]   Dec. 12, 2022                  
Reference Rate [4],[5],[7],[12]   5.65%         5.65% 5.65% 5.65% 5.65%  
Interest Rate [4],[5],[7],[12]   6.46%         6.46% 6.46% 6.46% 6.46%  
Investments at amortized cost [3],[4],[5],[7],[12],[16]   $ 1,680,000                  
Total investments at fair value [2],[4],[5],[7],[12]   $ 1,659,000                  
Percentage of Net Assets [4],[5],[7],[12]   0.10%         0.10% 0.10% 0.10% 0.10%  
Investment, Identifier [Axis]: Equity and Other Investments Structured Credit Wind River CLO Ltd, Series 2018-3A Structured Product ($2,000par,due 1/2031) Initial Acquisition Date 12/12/2022 Reference Rate and Spread SOFR+ 5.91% Interest Rate 11.33%                      
Investment, par [1],[4],[5],[12] $ 2,000,000                    
Investment due date [1],[4],[5],[12] 2031-01                    
Initial Acquisition Date [1],[4],[5],[12] Dec. 12, 2022                    
Reference Rate [1],[4],[5],[12] 5.91%   5.91% 5.91% 5.91% 5.91%          
Interest Rate [1],[4],[5],[12] 11.33%   11.33% 11.33% 11.33% 11.33%          
Investments at amortized cost [1],[2],[3],[4],[5],[12] $ 1,721,000                    
Total investments at fair value [1],[4],[5],[12] $ 1,856,000                    
Percentage of Net Assets [1],[4],[5],[12] 0.10%   0.10% 0.10% 0.10% 0.10%          
Investment, Identifier [Axis]: Hedge Accounting Swaps                      
Notional value $ 952,500,000 $ 650,000,000                  
Fair Market Value (31,840,000) (55,083,000)                  
Change in Unrealized Gains / (Losses) $ 23,243,000 $ (49,217,000)                  
Investment, Identifier [Axis]: Interest Rate Swap Company Pays 3.875% Maturity Date 11/1/2024                      
Derivative, basis spread on variable rate 3.875% [30] 3.875% [31],[32] 3.875% [30] 3.875% [30] 3.875% [30] 3.875% [30] 3.875% [31],[32] 3.875% [31],[32] 3.875% [31],[32] 3.875% [31],[32]  
Investment, Identifier [Axis]: Interest Rate Swap Company Pays 4.50% Maturity Date 8/1/2022                      
Derivative, basis spread on variable rate [31],[33]   4.50%         4.50% 4.50% 4.50% 4.50%  
Investment, Identifier [Axis]: Interest Rate Swap Company Pays L + 1.59% Maturity Date 8/1/2022                      
Derivative, basis spread on variable rate [31],[33]   1.59%         1.59% 1.59% 1.59% 1.59%  
Investment, Identifier [Axis]: Interest Rate Swap Company Pays L + 1.60% Maturity Date 8/1/2022                      
Derivative, basis spread on variable rate [31],[33]   1.60%         1.60% 1.60% 1.60% 1.60%  
Investment, Identifier [Axis]: Interest Rate Swap Company Pays L + 1.91% Maturity Date 8/1/2026                      
Derivative, basis spread on variable rate [31],[34]   1.91%         1.91% 1.91% 1.91% 1.91%  
Investment, Identifier [Axis]: Interest Rate Swap Company Pays L + 1.99% Maturity Date 1/22/2023                      
Derivative, basis spread on variable rate [31]   1.99%         1.99% 1.99% 1.99% 1.99%  
Investment, Identifier [Axis]: Interest Rate Swap Company Pays L + 2.25% Maturity Date 11/1/2024                      
Derivative, basis spread on variable rate [31],[34],[35]   2.25%         2.25% 2.25% 2.25% 2.25%  
Investment, Identifier [Axis]: Interest Rate Swap Company Pays L + 2.37% Maturity Date 8/1/2022                      
Derivative, basis spread on variable rate [31],[33]   2.37%         2.37% 2.37% 2.37% 2.37%  
Investment, Identifier [Axis]: Interest Rate Swap Company Pays L + 2.46% Maturity Date 11/1/2024                      
Derivative, basis spread on variable rate [31],[34],[35]   2.46%         2.46% 2.46% 2.46% 2.46%  
Investment, Identifier [Axis]: Interest Rate Swap Company Pays SOFR + 2.17% Maturity Date 8/1/2026                      
Derivative, basis spread on variable rate [30],[36] 2.17%   2.17% 2.17% 2.17% 2.17%          
Investment, Identifier [Axis]: Interest Rate Swap Company Pays SOFR + 2.51% Maturity Date 11/1/2024                      
Derivative, basis spread on variable rate [30],[36],[37],[38] 2.51%   2.51% 2.51% 2.51% 2.51%          
Investment, Identifier [Axis]: Interest Rate Swap Company Pays SOFR + 2.72% Maturity Date 11/1/2024                      
Derivative, basis spread on variable rate [30],[36],[37],[38] 2.72%   2.72% 2.72% 2.72% 2.72%          
Investment, Identifier [Axis]: Interest Rate Swap Company Pays SOFR + 2.99% Maturity Date 8/14/2028                      
Derivative, basis spread on variable rate [30],[36] 2.99%   2.99% 2.99% 2.99% 2.99%          
Investment, Identifier [Axis]: Interest Rate Swap Company Receives 2.50% Company Pays L + 1.91% Maturity Date 8/1/2026                      
Derivative maturity date [31],[34]   Aug. 01, 2026                  
Notional value [31],[34]   $ 300,000,000                  
Fair Market Value [31],[34]   (35,665,000)                  
Change in Unrealized Gains / (Losses) [31],[34]   $ (25,426,000)                  
Investment, Identifier [Axis]: Interest Rate Swap Company Receives 2.50% Company Pays SOFR + 2.17% Maturity Date 8/1/2026                      
Derivative, basis spread on variable rate [30],[36] 2.50%   2.50% 2.50% 2.50% 2.50%          
Derivative maturity date [30],[36] Aug. 01, 2026                    
Notional value [30],[36] $ 300,000,000                    
Fair Market Value [30],[36] (26,111,000)                    
Change in Unrealized Gains / (Losses) [30],[36] $ 9,554,000                    
Investment, Identifier [Axis]: Interest Rate Swap Company Receives 2.50% Maturity Date 8/1/2026                      
Derivative, basis spread on variable rate [31],[34]   2.50%         2.50% 2.50% 2.50% 2.50%  
Investment, Identifier [Axis]: Interest Rate Swap Company Receives 3.875% Company Pays L + 2.25% Maturity Date 11/1/2024                      
Derivative maturity date [31],[34],[35]   Nov. 01, 2024                  
Notional value [31],[34],[35]   $ 300,000,000                  
Fair Market Value [31],[34],[35]   (16,493,000)                  
Change in Unrealized Gains / (Losses) [31],[34],[35]   $ (20,489,000)                  
Investment, Identifier [Axis]: Interest Rate Swap Company Receives 3.875% Company Pays L + 2.46% Maturity Date 11/1/2024                      
Derivative maturity date [31],[34],[35]   Nov. 01, 2024                  
Notional value [31],[34],[35]   $ 50,000,000                  
Fair Market Value [31],[34],[35]   (2,925,000)                  
Change in Unrealized Gains / (Losses) [31],[34],[35]   $ (3,302,000)                  
Investment, Identifier [Axis]: Interest Rate Swap Company Receives 3.875% Company Pays SOFR + 2.72% Maturity Date 11/1/2024                      
Derivative, basis spread on variable rate [30],[36],[37],[38] 3.875%   3.875% 3.875% 3.875% 3.875%          
Derivative maturity date [30],[36],[37],[38] Nov. 01, 2024                    
Notional value [30],[36],[37],[38] $ 50,000,000                    
Fair Market Value [30],[36],[37],[38] (1,563,000)                    
Change in Unrealized Gains / (Losses) [30],[36],[37],[38] $ 1,362,000                    
Investment, Identifier [Axis]: Interest Rate Swap Company Receives 3.875% Company SOFR + 2.51% Maturity Date 11/1/2024                      
Derivative, basis spread on variable rate [30],[36],[37],[38] 3.875%   3.875% 3.875% 3.875% 3.875%          
Derivative maturity date [30],[36],[37],[38] Nov. 01, 2024                    
Notional value [30],[36],[37],[38] $ 300,000,000                    
Fair Market Value [30],[36],[37],[38] (8,846,000)                    
Change in Unrealized Gains / (Losses) [30],[36],[37],[38] $ 7,647,000                    
Investment, Identifier [Axis]: Interest Rate Swap Company Receives 3.875% Maturity Date 11/1/2024                      
Derivative, basis spread on variable rate [31],[34],[35]   3.875%         3.875% 3.875% 3.875% 3.875%  
Investment, Identifier [Axis]: Interest Rate Swap Company Receives 4.50% Company Pays L + 1.59% Maturity Date 8/1/2022                      
Derivative maturity date [31],[33]   Aug. 01, 2022                  
Change in Unrealized Gains / (Losses) [31],[33]   $ (751,000)                  
Investment, Identifier [Axis]: Interest Rate Swap Company Receives 4.50% Company Pays L + 1.60% Maturity Date 8/1/2022                      
Derivative maturity date [31],[33]   Aug. 01, 2022                  
Change in Unrealized Gains / (Losses) [31],[33]   $ (112,000)                  
Investment, Identifier [Axis]: Interest Rate Swap Company Receives 4.50% Company Pays L + 199% Maturity Date 1/22/2023                      
Derivative maturity date [31]   Jan. 22, 2023                  
Notional value [31]   $ 150,000,000                  
Fair Market Value [31]   (231,000)                  
Change in Unrealized Gains / (Losses) [31]   $ (3,292,000)                  
Investment, Identifier [Axis]: Interest Rate Swap Company Receives 4.50% Company Pays L + 2.37% Maturity Date 8/1/2022                      
Derivative maturity date [31],[33]   Aug. 01, 2022                  
Change in Unrealized Gains / (Losses) [31],[33]   $ (1,192,000)                  
Investment, Identifier [Axis]: Interest Rate Swap Company Receives 4.50% Maturity Date 1/22/2023                      
Derivative, basis spread on variable rate [31]   4.50%         4.50% 4.50% 4.50% 4.50%  
Investment, Identifier [Axis]: Interest Rate Swap Company Receives 4.50% Maturity Date 8/1/2022                      
Derivative, basis spread on variable rate [31],[33]   4.50%         4.50% 4.50% 4.50% 4.50%  
Investment, Identifier [Axis]: Interest Rate Swap Company Receives 6.95% Company Pays SOFR + 2.99% Maturity Date 8/14/2028                      
Derivative, basis spread on variable rate [30],[36] 6.95%   6.95% 6.95% 6.95% 6.95%          
Derivative maturity date [30],[36] Aug. 14, 2028                    
Notional value [30],[36] $ 300,000,000                    
Fair Market Value [30],[36] 4,680,000                    
Change in Unrealized Gains / (Losses) [30],[36] $ 4,680,000                    
Investment, Identifier [Axis]: Interest Rate Swap Company Receives L + 2.11% Company Pays 4.50% Maturity Date 8/1/2022                      
Derivative maturity date [31],[33]   Aug. 01, 2022                  
Upfront (Payments) / Receipts [31],[33]   $ 1,252,000                  
Change in Unrealized Gains / (Losses) [31],[33]   $ (924,000)                  
Investment, Identifier [Axis]: Interest Rate Swap Company Receives L + 2.11% Company Pays 4.50% Maturity Date 8/1/2022 One                      
Derivative maturity date [31],[33]   Aug. 01, 2022                  
Upfront (Payments) / Receipts [31],[33]   $ 96,000                  
Change in Unrealized Gains / (Losses) [31],[33]   $ (70,000)                  
Investment, Identifier [Axis]: Interest Rate Swap Company Receives L + 2.11% Company Pays 4.50% Maturity Date 8/1/2022 Two                      
Derivative maturity date [31],[33]   Aug. 01, 2022                  
Upfront (Payments) / Receipts [31],[33]   $ 904,000                  
Change in Unrealized Gains / (Losses) [31],[33]   $ (394,000)                  
Investment, Identifier [Axis]: Interest Rate Swap Company Receives L + 2.11% Maturity Date 8/1/2022                      
Derivative, basis spread on variable rate [31],[33]   2.11%         2.11% 2.11% 2.11% 2.11%  
Investment, Identifier [Axis]: Interest Rate Swap Company Receives L Company Pays 4.50% Maturity Date 8/1/2022                      
Derivative, basis spread on variable rate [31],[33]   0.16%         0.16% 0.16% 0.16% 0.16%  
Derivative maturity date [31],[33]   Jul. 30, 2022                  
Change in Unrealized Gains / (Losses) [31],[33]   $ (13,000)                  
Investment, Identifier [Axis]: Interest Rate Swap Company Receives L+2.28% Company Pays 3.875% Maturity Date 11/1/2024                      
Derivative maturity date [31],[32]   Nov. 01, 2024                  
Notional value [31],[32]   $ 2,500,000                  
Upfront (Payments) / Receipts [31],[32]   $ 128,000                  
Investment, Identifier [Axis]: Interest Rate Swap Company Receives L+2.28% Maturity Date 11/1/2024                      
Derivative, basis spread on variable rate [31],[32]   2.28%         2.28% 2.28% 2.28% 2.28%  
Investment, Identifier [Axis]: Interest Rate Swap Company Receives SOFR + 2.54% Maturity Date 11/1/2024                      
Derivative, basis spread on variable rate [30] 2.54%   2.54% 2.54% 2.54% 2.54%          
Derivative maturity date [30] Nov. 01, 2024                    
Notional value [30] $ 2,500,000                    
Investment, Identifier [Axis]: Interest Rate Swap, Cash collateral                      
Fair Market Value 55,819,000 $ 57,786,000                  
Investment, Identifier [Axis]: Interest Rate Swap2 Company Pays 4.50% Maturity Date 8/1/2022                      
Derivative, basis spread on variable rate [31],[33]   4.50%         4.50% 4.50% 4.50% 4.50%  
Investment, Identifier [Axis]: Interest Rate Swap2 Company Receives L + 2.11% Maturity Date 8/1/2022                      
Derivative, basis spread on variable rate [31],[33]   2.11%         2.11% 2.11% 2.11% 2.11%  
Investment, Identifier [Axis]: Interest Rate Swap3 Company Pays 4.50% Maturity Date 8/1/2022                      
Derivative, basis spread on variable rate [31],[33]   4.50%         4.50% 4.50% 4.50% 4.50%  
Investment, Identifier [Axis]: Interest Rate Swap3 Company Receives L + 2.11% Maturity Date 8/1/2022                      
Derivative, basis spread on variable rate [31],[33]   2.11%         2.11% 2.11% 2.11% 2.11%  
Investment, Identifier [Axis]: Non Hedge Accounting Swaps                      
Notional value   $ 152,500,000                  
Fair Market Value   (231,000)                  
Upfront (Payments) / Receipts   2,380,000                  
Change in Unrealized Gains / (Losses)   $ (6,748,000)                  
Investment, Identifier [Axis]: Non-controlled Affiliated Investments MD America Energy, LLC                      
Total investments at fair value [39]                     27,017,000
Investment, Identifier [Axis]: Non-controlled Affiliated Investments SMPA Holdings, LLC                      
Investment, shares | shares   15,000         15,000 15,000 15,000 15,000  
Investment, Identifier [Axis]: Non-controlled, Affiliated Investments                      
Total investments at fair value                     $ 27,017,000
Investment, Identifier [Axis]: Total Investments                      
Investments at amortized cost [3] 3,251,012,000 [1],[2] $ 2,774,726,000 [7],[16]                  
Total investments at fair value $ 3,283,065,000 [1],[5] $ 2,787,925,000 [2],[7]                  
Percentage of Net Assets 219.40% [1] 204.90% [7] 219.40% [1] 219.40% [1] 219.40% [1] 219.40% [1] 204.90% [7] 204.90% [7] 204.90% [7] 204.90% [7]  
[1] Certain portfolio company investments are subject to contractual restrictions on sales.
[2] In accordance with Financial Accounting Standards Board Accounting Standards Codification Topic 820, Fair Value Measurements (“ASC Topic 820”), unless otherwise indicated, the fair values of all investments were determined using significant unobservable inputs and are considered Level 3 investments. See Note 6 for further information related to investments at fair value.
[3] The amortized cost represents the original cost adjusted for the amortization of discounts and premiums, as applicable, on debt investments using the effective interest method.
[4] Investment contains a variable rate structure, subject to an interest rate floor. Variable rate investments bear interest at a rate that may be determined by reference to either Euro Interbank Offer Rate (“Euribor” or “E”), Sterling Overnight Index Average ("SONIA"), Canadian Dollar Offered Rate (“CDOR” or “C”), Secured Overnight Financing Rate (“SOFR”) which may also contain a credit spread adjustment depending on the tenor election, Bank Bill Swap Bid Rate (“BBSY” or “B”), Sterling Overnight Interbank Average Rate (“SONIA” or “S”) or an alternate base rate (which can include the Federal Funds Effective Rate or the Prime Rate or “P”), all of which include an available tenor, selected at the borrower’s option, which reset periodically based on the terms of the credit agreement. For investments with multiple interest rate contracts, the interest rate shown is the weighted average interest rate in effect at December 31, 2023.
[5] This investment is valued using observable inputs and is considered a Level 2 investment. See Note 6 for further information related to investments at fair value.
[6] In addition to the interest earned based on the stated interest rate of this investment, which is the amount reflected in this schedule, the Company may be entitled to receive additional interest as a result of an arrangement with other members in the syndicate to the extent an investment has been allocated to “first out” and “last out” tranches, whereby the “first out” tranche will have priority as to the “last out” tranche with respect to payments of principal, interest and any amounts due thereunder and the Company holds the “last out” tranche.
[7] Certain portfolio company investments are subject to contractual restrictions on sales.
[8] Investment contains a variable rate structure, subject to an interest rate floor. Variable rate investments bear interest at a rate that
may be determined by reference to either London Interbank Offered Rate (“LIBOR” or “L”), Euro Interbank Offer Rate
(“Euribor” or “E”), Canadian Dollar Offered Rate (“CDOR” or “C”), Secured Overnight Financing Rate (“SOFR”) which may
also contain a credit spread adjustment depending on the tenor election, Bank Bill Swap Bid Rate (“BBSY” or “B”), Sterling
Overnight Interbank Average Rate (“SONIA” or “S”) or an alternate base rate (which can include the Federal Funds Effective
Rate, the Canadian Prime rate, or the Prime Rate or “P”), all of which include an available tenor, selected at the borrower’s option, which reset periodically based on the terms of the credit agreement. For investments with multiple interest rate contracts, the interest rate shown is the weighted average interest rate in effect at December 31, 2022.
[9] As of December 31, 2022, the estimated cost basis of investments for U.S. federal tax purposes was $2,787,005 resulting in estimated gross unrealized gains and losses of $109,609 and $105,786, respectively.
[10] The amortized cost represents the original cost adjusted for the amortization of discounts and premiums, as applicable, on debt investments using the effective interest method.
[11] In accordance with Financial Accounting Standards Board Accounting Standards Codification Topic 820, Fair Value Measurements (“ASC Topic 820”), unless otherwise indicated, the fair values of all investments were determined using significant unobservable inputs and are considered Level 3 investments. See Note 6 for further information related to investments at fair value.
[12] This portfolio company is not a qualifying asset under Section 55(a) of the Investment Company Act of 1940, as amended (the “1940 Act”). Under the 1940 Act, the Company may not acquire any non-qualifying asset unless, at the time such acquisition is made, qualifying assets represent at least 70% of total assets. Non-qualifying assets represented 13.1% of total assets as of December 31, 2023.
[13] This portfolio company is not a qualifying asset under Section 55(a) of the Investment Company Act of 1940, as amended (the “1940 Act”). Under the 1940 Act, the Company may not acquire any non-qualifying asset unless, at the time such acquisition is made, qualifying assets represent at least 70% of total assets. Non-qualifying assets represented 9.7% of total assets as of December 31, 2022.
[14] In addition to the interest earned based on the stated interest rate of this investment, which is the amount reflected in this schedule, the Company may be entitled to receive additional interest as a result of an arrangement with other members in the syndicate to the extent an investment has been allocated to “first out” and “last out” tranches, whereby the “first out” tranche will have priority as to the “last out” tranche with respect to payments of principal, interest and any amounts due thereunder and the Company holds the “last out” tranche.
[15] This investment is valued using observable inputs and is considered a Level 2 investment. See Note 6 for further information related to investments at fair value.
[16] As of December 31, 2023, the estimated cost basis of investments for U.S. federal tax purposes was $3,256,630 resulting in estimated gross unrealized gains and losses of $159,281 and $135,606, respectively.
[17] Under the 1940 Act, the Company is deemed to be both an “Affiliated Person” of and “Control,” as such terms are defined in the 1940 Act, this portfolio company, as the Company owns more than 25% of the portfolio company’s outstanding voting securities or has the power to exercise control over management or policies of such portfolio company (including through a management agreement). Transactions during the year ended December 31, 2023 in which the issuer was an Affiliated Person of and was deemed to Control a portfolio company are as follows:

 

 

Controlled, Affiliated Investments during the year ended December 31, 2023

Company

 

Fair
Value at
December 31,
2022

 

 

Gross
Additions (a)

 

 

Gross
Reductions
(b)

 

 

Net Change
In Unrealized
Gain/(Loss)

 

 

Realized
Gain/(Loss)

 

 

Transfers

 

 

Fair
Value at
December 31,
2023

 

 

Other
Income

 

 

Interest
Income

 

IRGSE Holding Corp.

 

$

70,755

 

 

$

10,875

 

 

$

 

 

$

(21,717

)

 

$

 

 

$

 

 

$

59,913

 

 

$

6

 

 

$

7,756

 

Total

 

$

70,755

 

 

$

10,875

 

 

$

 

 

$

(21,717

)

 

$

 

 

$

 

 

$

59,913

 

 

$

6

 

 

$

7,756

 

[18] Investment is on non-accrual status as of December 31, 2022.
[19] Investment is on non-accrual status as of December 31, 2022.
[20] In addition to the principal amount outstanding and accrued interest owed on this investment, the Company is entitled to a
separate Make-Whole Amount (the “Make-Whole”) of $
11.8 million. The Make-Whole is a contractual obligation of the
borrower and accrues interest on the balance outstanding. The Make-Whole is included on the Company’s consolidated balance
sheet within other assets, net of any valuation allowance. Given uncertainty relating to collectability of the Make-Whole, the
Company has applied a full valuation allowance against the amount of the Make-Whole balance outstanding.
[21] All or a portion of this security was acquired in a transaction exempt from registration under the Securities Act of 1933, and may be deemed to be “restricted securities” under the Securities Act. As of December 31, 2023, the aggregate fair value of these securities is $13,032, or 0.9% of the Company’s net assets.
[22] This investment is non-income producing.
[23] This investment is valued using observable inputs and is considered a Level 1 investment. See Note 6 for further information related to investments at fair value.
[24] This investment is valued using observable inputs and is considered a Level 1 investment. See Note 6 for further information related to investments at fair value.
[25] All or a portion of this security was acquired in a transaction exempt from registration under the Securities Act of 1933, and may be deemed to be “restricted securities” under the Securities Act. As of December 31, 2022, the aggregate fair value of these securities is $47,288, or 3.5% of the Company’s net assets.
[26] Ownership of equity investments may occur through a holding company or partnership.
[27] This investment is non-income producing.
[28] Ownership of equity investments may occur through a holding company or partnership.
[29] Under the 1940 Act, the Company is deemed to be both an “Affiliated Person” of and “Control,” as such terms are defined in the 1940 Act, this portfolio company, as the Company owns more than 25% of the portfolio company’s outstanding voting securities or has the power to exercise control over management or policies of such portfolio company (including through a management agreement). Transactions during the year ended December 31, 2022 in which the issuer was an Affiliated Person of and was deemed to Control a portfolio company are as follows:

 

 

F-16

Controlled, Affiliated Investments during the year ended December 31, 2022

 

Company

 

Fair
Value at
December 31,
2021

 

 

Gross
Additions (a)

 

 

Gross
Reductions
(b)

 

 

Net Change
In Unrealized
Gain/(Loss)

 

 

Realized
Gain/(Loss)

 

 

Transfers

 

 

Fair
Value at
December 31,
2022

 

 

Other
Income

 

 

Interest
Income

 

IRGSE Holding Corp.

 

$

59,779

 

 

$

4,420

 

 

$

 

 

$

6,556

 

 

$

 

 

$

 

 

$

70,755

 

 

$

5

 

 

$

5,064

 

Mississippi Resources,
   LLC

 

 

 

 

 

 

(1,553

)

 

 

1,498

 

 

 

55

 

 

 

 

 

 

 

 

 

Total

 

$

59,779

 

 

$

4,420

 

 

$

(1,553

)

 

$

8,054

 

 

$

55

 

 

$

 

 

$

70,755

 

 

$

5

 

 

$

5,064

 

 

(a)
Gross additions include increases in the cost basis of investments resulting from new investments, payment-in-kind interest or dividends, the amortization of any unearned income or discounts on debt investments, as applicable.
Gross reductions include decreases in the cost basis of investments resulting from principal collections related to investment repayments or sales, and the amortization of any premiums on debt investments, as applicable. When an investment is placed on non-accrual status, any cash flows received by the Company are applied to the outstanding principal balance.
[30] Contains a variable rate structure. Bears interest at a rate determined by SOFR.
[31] Contains a variable rate structure. Bears interest at a rate determined by three-month LIBOR.
[32] The fair market value of this instrument is presented net with the $2.5 million in aggregate notional value of instruments no longer designated as instruments in a hedge accounting relationship.
[33] Interest rate swap was terminated or matured during the period.
[34] Instrument is used in a hedge accounting relationship. The associated change in fair value is recorded along with the change in fair value of the hedged item within interest expense.
[35] $2.5 million in aggregate notional value of these instruments is no longer designated as instruments in a hedge accounting relationship. The associated change in fair value of the de-designated portion is recorded within unrealized gain/(loss).
[36] Instrument is used in a hedge accounting relationship. The associated change in fair value is recorded along with the change in fair value of the hedged item within interest expense.
[37] $2.5 million in aggregate notional value of these instruments is no longer designated as instruments in a hedge accounting relationship. The associated change in fair value of the de-designated portion is recorded within unrealized gain/(loss).
[38] The fair market value of this instrument is presented net with the $2.5 million in aggregate notional value of instruments no longer designated as instruments in a hedge accounting relationship.
[39] Includes investment in SMPA Holdings, LLC of 15,000 common equity units.