Annual report pursuant to Section 13 and 15(d)

CONSOLIDATED SCHEDULE OF INVESTMENTS

v3.23.3
CONSOLIDATED SCHEDULE OF INVESTMENTS - USD ($)
Sep. 30, 2023
Sep. 30, 2022
Schedule of Investments [Line Items]    
Cost $ 722,269,000 [1] $ 656,053,000 [2]
Fair Value $ 704,815,000 [1] $ 649,615,000 [2]
Investment owned, percent of net assets 172.50% [1],[3],[4],[5],[6] 205.90% [2],[7],[8],[9],[10]
Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost $ 671,397,000 [11] $ 571,736,000 [12]
Fair Value $ 663,544,000 [11] $ 574,811,000 [12]
Investment owned, percent of net assets 162.40% [3],[4],[5],[6],[11] 182.20% [7],[8],[9],[10],[12]
Affiliate investments    
Schedule of Investments [Line Items]    
Cost $ 16,746,000 [13] $ 49,412,000 [14]
Fair Value $ 10,421,000 [13] $ 39,091,000 [14]
Investment owned, percent of net assets 2.60% [3],[4],[5],[6],[13] 12.40% [7],[8],[9],[10],[14]
Control investments    
Schedule of Investments [Line Items]    
Cost $ 34,126,000 [15] $ 34,905,000 [16]
Fair Value $ 30,850,000 [15] $ 35,713,000 [16]
Investment owned, percent of net assets 7.50% [3],[4],[5],[6],[15] 11.30% [7],[8],[9],[10],[16]
Secured first lien debt    
Schedule of Investments [Line Items]    
Cost $ 529,376,000 $ 475,806,000
Fair Value 510,701,000 463,858,000
Secured first lien debt | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost 507,116,000 [11] 420,857,000 [12]
Fair Value $ 491,686,000 [11] $ 413,631,000 [12]
Investment owned, percent of net assets 120.30% [3],[4],[5],[6],[11] 131.20% [7],[8],[9],[10],[12]
Secured first lien debt | Affiliate investments    
Schedule of Investments [Line Items]    
Cost [14]   $ 39,306,000
Fair Value $ 2,895,000 $ 34,804,000 [14]
Investment owned, percent of net assets 0.70% [3],[4],[5],[6],[13] 11.00% [7],[8],[9],[10],[14]
Secured first lien debt | Control investments    
Schedule of Investments [Line Items]    
Cost [15] $ 16,120,000  
Fair Value $ 16,120,000 [15] $ 15,423,000
Investment owned, percent of net assets 3.90% [3],[4],[5],[6],[15] 4.90% [7],[8],[9],[10],[16]
Secured second lien debt    
Schedule of Investments [Line Items]    
Cost $ 130,252,000 $ 118,949,000
Fair Value $ 127,854,000 115,928,000
Secured second lien debt | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost [12]   111,284,000
Fair Value [12]   $ 108,263,000
Investment owned, percent of net assets 29.50% [3],[4],[5],[6],[11] 34.30% [7],[8],[9],[10],[12]
Secured second lien debt | Control investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 1.80% [3],[4],[5],[6],[15] 2.40% [7],[8],[9],[10],[16]
Preferred equity    
Schedule of Investments [Line Items]    
Cost $ 35,617,000 $ 34,505,000
Fair Value 26,855,000 27,046,000
Preferred equity | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost 23,061,000 [11] 21,949,000 [12]
Fair Value $ 21,733,000 [11] $ 17,719,000 [12]
Investment owned, percent of net assets 5.30% [3],[4],[5],[6],[11] 5.60% [7],[8],[9],[10],[12]
Preferred equity | Affiliate investments    
Schedule of Investments [Line Items]    
Cost $ 9,806,000 [13] $ 9,806,000 [14]
Fair Value $ 5,122,000 [13] $ 3,640,000 [14]
Investment owned, percent of net assets 1.30% [3],[4],[5],[6],[13] 1.20% [7],[8],[9],[10],[14]
Preferred equity | Control investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% [3],[4],[5],[6],[15] 1.80% [7],[8],[9],[10],[16]
Common equity/equivalents    
Schedule of Investments [Line Items]    
Cost $ 26,826,000 $ 26,500,000
Fair Value 39,381,000 42,728,000
Common equity/equivalents | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost 18,195,000 [11] 17,448,000 [12]
Fair Value $ 29,672,000 [11] $ 35,143,000 [12]
Investment owned, percent of net assets 7.30% [3],[4],[5],[6],[11] 11.10% [7],[8],[9],[10],[12]
Common equity/equivalents | Affiliate investments    
Schedule of Investments [Line Items]    
Cost [14]   $ 300,000
Fair Value [14]   $ 647,000
Investment owned, percent of net assets 0.60% [3],[4],[5],[6],[13] 0.20% [7],[8],[9],[10],[14]
Common equity/equivalents | Control investments    
Schedule of Investments [Line Items]    
Cost $ 7,831,000 [15] $ 8,752,000 [16]
Fair Value $ 7,305,000 [15] $ 6,938,000 [16]
Investment owned, percent of net assets 1.80% [3],[4],[5],[6],[15] 2.20% [7],[8],[9],[10],[16]
Unsecured debt    
Schedule of Investments [Line Items]    
Cost $ 198,000 $ 293,000
Fair Value $ 24,000 $ 55,000
Unsecured debt | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% [3],[4],[5],[6],[11] 0.00% [7],[8],[9],[10],[12]
Unsecured debt | Control investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% 0.00% [7],[8],[9],[10],[16]
Aerospace and Defense    
Schedule of Investments [Line Items]    
Fair Value $ 97,836,000 $ 88,649,000
Aerospace and Defense | Secured first lien debt | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost 79,197,000 [11] 74,112,000 [12]
Fair Value $ 78,720,000 [11] $ 73,898,000 [12]
Investment owned, percent of net assets 19.30% [3],[4],[5],[6],[11] 23.40% [7],[8],[9],[10],[12]
Aerospace and Defense | Common equity/equivalents | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost $ 5,283,000 [11] $ 5,283,000 [12]
Fair Value $ 19,116,000 [11] $ 14,751,000 [12]
Investment owned, percent of net assets 4.70% [3],[4],[5],[6],[11] 4.70% [7],[8],[9],[10],[12]
Beverage, Food, and Tobacco    
Schedule of Investments [Line Items]    
Fair Value $ 78,788,000 $ 64,283,000
Beverage, Food, and Tobacco | Secured first lien debt | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost 75,063,000 [11] 59,730,000 [12]
Fair Value $ 72,868,000 [11] $ 58,971,000 [12]
Investment owned, percent of net assets 17.80% [3],[4],[5],[6],[11] 18.70% [7],[8],[9],[10],[12]
Beverage, Food, and Tobacco | Secured second lien debt | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.60% [3],[4],[5],[6],[11] 1.00% [7],[8],[9],[10],[12]
Beverage, Food, and Tobacco | Preferred equity | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% [3],[4],[5],[6],[11] 0.00% [7],[8],[9],[10],[12]
Beverage, Food, and Tobacco | Common equity/equivalents | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost $ 1,750,000 [11] $ 1,750,000 [12]
Fair Value $ 3,284,000 [11] $ 2,172,000 [12]
Investment owned, percent of net assets 0.80% [3],[4],[5],[6],[11] 0.70% [7],[8],[9],[10],[12]
Buildings and Real Estate | Secured first lien debt | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost $ 2,275,000 [11] $ 1,700,000 [12]
Fair Value $ 2,150,000 [11] $ 1,654,000 [12]
Investment owned, percent of net assets 0.50% [3],[4],[5],[6],[11] 0.50% [7],[8],[9],[10],[12]
Buildings and Real Estate | Preferred equity | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.10% [3],[4],[5],[6],[11] 0.20% [7],[8],[9],[10],[12]
Buildings and Real Estate | Common equity/equivalents | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% [3],[4],[5],[6],[11] 0.00% [7],[8],[9],[10],[12]
Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Fair Value $ 158,061,000 $ 114,105,000
Diversified/Conglomerate Manufacturing | Secured first lien debt | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost 117,832,000 [11] 70,815,000 [12]
Fair Value $ 113,878,000 [11] $ 70,117,000 [12]
Investment owned, percent of net assets 27.90% [3],[4],[5],[6],[11] 22.30% [7],[8],[9],[10],[12]
Diversified/Conglomerate Manufacturing | Secured first lien debt | Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.70% 0.80% [7],[8],[9],[10],[14]
Diversified/Conglomerate Manufacturing | Secured first lien debt | Control investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.90% [3],[4],[5],[6],[15] 1.00% [7],[8],[9],[10],[16]
Diversified/Conglomerate Manufacturing | Secured second lien debt | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost $ 36,868,000 [11] $ 34,829,000 [12]
Fair Value $ 36,136,000 [11] $ 34,051,000 [12]
Investment owned, percent of net assets 8.90% [3],[4],[5],[6],[11] 10.80% [7],[8],[9],[10],[12]
Diversified/Conglomerate Manufacturing | Preferred equity | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.30% [3],[4],[5],[6],[11] 0.80% [7],[8],[9],[10],[12]
Diversified/Conglomerate Manufacturing | Preferred equity | Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% [3],[4],[5],[6],[13] 0.00% [7],[8],[9],[10],[14]
Diversified/Conglomerate Manufacturing | Common equity/equivalents | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost [11] $ 5,000,000  
Fair Value [11] $ 0  
Investment owned, percent of net assets 0.00% [3],[4],[5],[6],[11] 0.60% [7],[8],[9],[10],[12]
Diversified/Conglomerate Manufacturing | Common equity/equivalents | Control investments    
Schedule of Investments [Line Items]    
Cost [16]   $ 7,671,000
Fair Value $ 0 $ 0 [16]
Investment owned, percent of net assets 0.00% [3],[4],[5],[6],[15] 0.00% [7],[8],[9],[10],[16]
Diversified/Conglomerate Manufacturing | Unsecured debt | Control investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% 0.00% [7],[8],[9],[10],[16]
Diversified/Conglomerate Service    
Schedule of Investments [Line Items]    
Fair Value $ 135,060,000 $ 148,907,000
Diversified/Conglomerate Service | Secured first lien debt | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost 110,862,000 [11] 101,924,000 [12]
Fair Value $ 104,293,000 [11] $ 97,884,000 [12]
Investment owned, percent of net assets 25.50% [3],[4],[5],[6],[11] 31.10% [7],[8],[9],[10],[12]
Diversified/Conglomerate Service | Secured first lien debt | Affiliate investments    
Schedule of Investments [Line Items]    
Cost [14]   $ 33,166,000
Fair Value $ 0 $ 32,254,000 [14]
Investment owned, percent of net assets 0.00% 10.20% [7],[8],[9],[10],[14]
Diversified/Conglomerate Service | Secured second lien debt | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost $ 16,552,000 [11] $ 7,512,000 [12]
Fair Value $ 16,465,000 [11] $ 7,265,000 [12]
Investment owned, percent of net assets 4.00% [3],[4],[5],[6],[11] 2.30% [7],[8],[9],[10],[12]
Diversified/Conglomerate Service | Preferred equity | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost $ 8,250,000 [11] $ 7,500,000 [12]
Fair Value $ 9,654,000 [11] $ 8,151,000 [12]
Investment owned, percent of net assets 2.40% [3],[4],[5],[6],[11] 2.60% [7],[8],[9],[10],[12]
Diversified/Conglomerate Service | Preferred equity | Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 1.10% [3],[4],[5],[6],[13] 0.90% [7],[8],[9],[10],[14]
Diversified/Conglomerate Service | Common equity/equivalents | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.10% [3],[4],[5],[6],[11] 0.10% [7],[8],[9],[10],[12]
Diversified/Conglomerate Service | Unsecured debt | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% 0.00% [7],[8],[9],[10],[12]
Healthcare, Education, and Childcare    
Schedule of Investments [Line Items]    
Fair Value $ 146,438,000 $ 136,401,000
Healthcare, Education, and Childcare | Secured first lien debt | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost 108,759,000 [11] 99,644,000 [12]
Fair Value $ 108,185,000 [11] $ 98,881,000 [12]
Investment owned, percent of net assets 26.50% [3],[4],[5],[6],[11] 31.30% [7],[8],[9],[10],[12]
Healthcare, Education, and Childcare | Secured second lien debt | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 7.10% [3],[4],[5],[6],[11] 9.10% [7],[8],[9],[10],[12]
Healthcare, Education, and Childcare | Preferred equity | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.80% [3],[4],[5],[6],[11] 0.30% [7],[8],[9],[10],[12]
Healthcare, Education, and Childcare | Common equity/equivalents | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost $ 2,786,000 [11] $ 2,009,000 [12]
Fair Value $ 6,002,000 [11] $ 7,775,000 [12]
Investment owned, percent of net assets 1.50% [3],[4],[5],[6],[11] 2.50% [7],[8],[9],[10],[12]
Machinery    
Schedule of Investments [Line Items]    
Fair Value $ 6,411,000 $ 9,562,000
Machinery | Secured first lien debt | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost 5,928,000 [11] 5,625,000 [12]
Fair Value $ 5,724,000 [11] $ 5,350,000 [12]
Investment owned, percent of net assets 1.40% [3],[4],[5],[6],[11] 1.70% [7],[8],[9],[10],[12]
Machinery | Secured second lien debt | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets [7],[8],[9],[10],[12]   0.20%
Machinery | Common equity/equivalents | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.10% [3],[4],[5],[6],[11] 0.00% [7],[8],[9],[10],[12]
Machinery | Common equity/equivalents | Control investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.10% [3],[4],[5],[6],[15] 1.10% [7],[8],[9],[10],[16]
Telecommunications    
Schedule of Investments [Line Items]    
Fair Value $ 5,868,000 $ 10,088,000
Telecommunications | Secured first lien debt | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost 7,200,000 [11] 7,200,000 [12]
Fair Value $ 5,868,000 [11] $ 6,876,000 [12]
Investment owned, percent of net assets 1.40% [3],[4],[5],[6],[11] 2.20% [7],[8],[9],[10],[12]
Telecommunications | Preferred equity | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost [12]   $ 2,813,000
Fair Value [12]   $ 3,187,000
Investment owned, percent of net assets 0.00% [3],[4],[5],[6],[11] 1.10% [7],[8],[9],[10],[12]
Telecommunications | Common equity/equivalents | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% [3],[4],[5],[6],[11] 0.00% [7],[8],[9],[10],[12]
Automobile    
Schedule of Investments [Line Items]    
Fair Value $ 27,571,000 $ 20,144,000
Automobile | Secured second lien debt | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost [11] 16,053,000  
Fair Value [11] $ 15,675,000  
Investment owned, percent of net assets 3.80% [3],[4],[5],[6],[11] 3.50% [7],[8],[9],[10],[12]
Automobile | Secured second lien debt | Control investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 1.80% 2.40% [7],[8],[9],[10],[16]
Automobile | Preferred equity | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% [3],[4],[5],[6],[11] 0.00% [7],[8],[9],[10],[12]
Automobile | Common equity/equivalents | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.10% [3],[4],[5],[6],[11] 0.00% [7],[8],[9],[10],[12]
Automobile | Common equity/equivalents | Control investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 1.00% [3],[4],[5],[6],[15] 0.40% [7],[8],[9],[10],[16]
Oil and Gas    
Schedule of Investments [Line Items]    
Fair Value $ 27,830,000 $ 25,373,000
Oil and Gas | Secured second lien debt | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost [11] 122,827,000  
Fair Value [11] $ 120,429,000  
Investment owned, percent of net assets 5.10% [3],[4],[5],[6],[11] 7.40% [7],[8],[9],[10],[12]
Oil and Gas | Preferred equity | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost $ 6,838,000 [11] $ 6,982,000 [12]
Fair Value $ 6,826,000 [11] $ 2,028,000 [12]
Investment owned, percent of net assets 1.70% [3],[4],[5],[6],[11] 0.60% [7],[8],[9],[10],[12]
Oil and Gas | Common equity/equivalents | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost $ 499,000 [11] $ 499,000 [12]
Fair Value $ 146,000 [11] $ 50,000 [12]
Investment owned, percent of net assets 0.00% [3],[4],[5],[6],[11] 0.00% [7],[8],[9],[10],[12]
Personal and Non-Durable Consumer Products (Manufacturing Only) | Secured first lien debt | Control investments    
Schedule of Investments [Line Items]    
Cost $ 11,293,000 [15] $ 11,393,000 [16]
Fair Value $ 11,293,000 [15] $ 11,393,000 [16]
Investment owned, percent of net assets 2.80% [3],[4],[5],[6],[15] 3.60% [7],[8],[9],[10],[16]
Personal and Non-Durable Consumer Products (Manufacturing Only) | Preferred equity | Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.20% [3],[4],[5],[6],[13] 0.30% [7],[8],[9],[10],[14]
Personal and Non-Durable Consumer Products (Manufacturing Only) | Preferred equity | Control investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% 1.80% [7],[8],[9],[10],[16]
Personal and Non-Durable Consumer Products (Manufacturing Only) | Common equity/equivalents | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.00% [3],[4],[5],[6],[11] 0.00% [7],[8],[9],[10],[12]
Personal and Non-Durable Consumer Products (Manufacturing Only) | Common equity/equivalents | Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.60% 0.20% [7],[8],[9],[10],[14]
Printing and Publishing | Secured first lien debt | Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets [7],[8],[9],[10],[12]   0.00%
Printing and Publishing | Secured first lien debt | Control investments    
Schedule of Investments [Line Items]    
Cost [16]   $ 15,643,000
Fair Value [16]   $ 15,423,000
Investment owned, percent of net assets 0.20% [3],[4],[5],[6],[15] 0.30% [7],[8],[9],[10],[16]
Printing and Publishing | Common equity/equivalents | Control investments    
Schedule of Investments [Line Items]    
Investment owned, percent of net assets 0.70% [3],[4],[5],[6],[15] 0.70%
Investment, Identifier [Axis]: Leeds Novamark Capital I, L.P. – Limited Partnership Interest    
Schedule of Investments [Line Items]    
Units [17],[18],[19],[20],[21]   3.50%
Cost [18],[20],[21]   $ 1,223,000
Fair Value [18],[20],[21]   6,397,000
Line of credit facility, available [7],[8],[9],[10],[18],[20],[21]   $ 843,000
Investment, Identifier [Axis]: Antenna Research Associates, Inc. – Common Equity Units    
Schedule of Investments [Line Items]    
Shares [17],[19],[20],[22]   4,283
Cost [20],[22]   $ 4,283,000
Fair Value [20],[22]   $ 13,734,000
Investment, Identifier [Axis]: Engineering Manufacturing Technologies, LLC – Common Stock    
Schedule of Investments [Line Items]    
Shares [17],[19],[20],[22]   6,000
Cost [20],[22]   $ 3,000,000
Fair Value [20],[22]   $ 1,773,000
Investment, Identifier [Axis]: Ohio Armor Holdings, LLC – Common Equity    
Schedule of Investments [Line Items]    
Shares [17],[19],[20],[22]   100
Cost [20],[22]   $ 1,000,000
Fair Value [20],[22]   1,017,000
Investment, Identifier [Axis]: 8th Avenue Food & Provisions, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount $ 3,683,000 [23],[24],[25] 3,682,000 [17],[19],[26]
Cost 3,683,000 [23] 3,698,000 [26]
Fair Value 2,495,000 [23] 3,020,000 [26]
Investment, Identifier [Axis]: ALS Education, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 0 [24],[25],[27] 0 [17],[19],[28]
Cost 0 [27] 0 [28]
Fair Value 0 [27] 0 [28]
Line of credit facility, available 3,000,000 [3],[4],[5],[6],[27] 3,000,000 [7],[8],[9],[10],[28]
Investment, Identifier [Axis]: ALS Education, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 18,700,000 [24],[25],[27] 19,690,000 [17],[19],[28]
Cost 18,700,000 [27] 19,690,000 [28]
Fair Value $ 18,700,000 [27] 19,468,000 [28]
Investment, Identifier [Axis]: Antenna Research Associates, Inc. – Common Equity Units    
Schedule of Investments [Line Items]    
Shares [24],[25],[29],[30] 4,283,000  
Cost [29],[30] $ 4,283,000  
Fair Value [29],[30] 18,436,000  
Investment, Identifier [Axis]: Antenna Research Associates, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 30,048,000 [24],[25],[29] 21,973,000 [17],[19],[22]
Cost 30,048,000 [29] 21,973,000 [22]
Fair Value $ 30,048,000 [29] $ 21,973,000 [22]
Investment, Identifier [Axis]: Arc Drilling Holdings LLC – Common Stock    
Schedule of Investments [Line Items]    
Shares 15,000,000 [24],[25],[29],[30] 15,000 [17],[19],[20],[22]
Cost $ 1,500,000 [29],[30] $ 1,500,000 [20],[22]
Fair Value 403,000 [29],[30] 0 [20],[22]
Investment, Identifier [Axis]: Arc Drilling Holdings LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 0 [24],[25],[27] 0 [17],[19],[28]
Cost 0 [27] 0 [28]
Fair Value 0 [27] 0 [28]
Line of credit facility, available 1,000,000 [3],[4],[5],[6],[27] 1,000,000 [7],[8],[9],[10],[28]
Investment, Identifier [Axis]: Arc Drilling Holdings LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27] 5,928,000  
Cost [27] 5,928,000  
Fair Value [27] 5,724,000  
Investment, Identifier [Axis]: Arc Drilling Holdings LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[28]   5,625,000
Cost [28]   5,625,000
Fair Value [28]   5,350,000
Investment, Identifier [Axis]: Axios Industrial Group, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 11,550,000 [24],[25],[27] 9,000,000 [17],[19],[28],[31]
Cost 11,519,000 [27] 9,000,000 [28],[31]
Fair Value 11,291,000 [27] 8,741,000 [28],[31]
Investment, Identifier [Axis]: Axios Industrial Group, LLC– Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[28],[31]   3,000,000
Cost [28],[31]   3,000,000
Fair Value [28],[31]   2,914,000
Line of credit facility, available [7],[8],[9],[10],[28],[31]   $ 5,000,000
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27],[32] 1,200,000  
Cost [27],[32] 1,200,000  
Fair Value [27],[32] 978,000  
Line of credit facility, available [3],[4],[5],[6],[27],[32] 0  
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27],[32] 6,000,000  
Cost [27],[32] 6,000,000  
Fair Value [27],[32] $ 4,890,000  
Investment, Identifier [Axis]: B+T Group Acquisition, Inc.(S) – Common Stock Warrant    
Schedule of Investments [Line Items]    
Units 1.50% [24],[25],[29],[30],[32] 1.50% [17],[19],[20],[22],[33]
Cost $ 0 [29],[30],[32] $ 0 [20],[22],[33]
Fair Value $ 0 [29],[30],[32] 25,000 [20],[22],[33]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc.(S) – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[28],[33]   1,200,000
Cost [28],[33]   1,200,000
Fair Value [28],[33]   1,146,000
Line of credit facility, available [7],[8],[9],[10],[28],[33]   $ 0
Investment, Identifier [Axis]: B+T Group Acquisition, Inc.(S) – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 6,130,000 [24],[25],[29],[30],[32] 6,130 [17],[19],[20],[22],[33]
Cost $ 2,024,000 [29],[30],[32] $ 2,024,000 [20],[22],[33]
Fair Value 0 [29],[30],[32] 2,718,000 [20],[22],[33]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc.(S) – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[28],[33]   6,000,000
Cost [28],[33]   6,000,000
Fair Value [28],[33]   5,730,000
Investment, Identifier [Axis]: CHA Holdings, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [23],[24],[25],[34] 3,000,000  
Cost [23],[34] 2,974,000  
Fair Value [23],[34] 2,820,000  
Investment, Identifier [Axis]: CHA Holdings, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[26],[35]   3,000,000
Cost [26],[35]   2,967,000
Fair Value [26],[35]   2,700,000
Investment, Identifier [Axis]: CPM Holdings, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[26]   798,000
Cost [26]   798,000
Fair Value [26]   758,000
Investment, Identifier [Axis]: Cafe Zupas – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27] 0  
Cost [27] 0  
Fair Value [27] 0  
Line of credit facility, available [3],[4],[5],[6],[27] 1,500,000  
Investment, Identifier [Axis]: Café Zupas – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount 7,970,000 [24],[25],[27] 1,970,000 [17],[19],[28]
Cost 7,970,000 [27] 1,970,000 [28]
Fair Value 7,850,000 [27] 1,958,000 [28]
Line of credit facility, available 2,070,000 [3],[4],[5],[6],[27] 0 [7],[8],[9],[10],[28]
Investment, Identifier [Axis]: Café Zupas – Line of Credit,    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[28]   0
Cost [28]   0
Fair Value [28]   0
Line of credit facility, available [7],[8],[9],[10],[28]   4,000,000
Investment, Identifier [Axis]: Café Zupas – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 23,460,000 [24],[25],[27] 23,460,000 [17],[19],[28]
Cost 23,460,000 [27] 23,460,000 [28]
Fair Value $ 23,108,000 [27] $ 23,313,000 [28]
Investment, Identifier [Axis]: Canopy Safety Brands, LLC – Common Stock    
Schedule of Investments [Line Items]    
Shares 1,170,370,000 [24],[25],[29],[30] 800,000 [17],[19],[20],[22]
Cost $ 800,000 [29],[30] $ 300,000 [20],[22]
Fair Value $ 2,404,000 [29],[30] $ 647,000 [20],[22]
Investment, Identifier [Axis]: Canopy Safety Brands, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 500,000,000 [24],[25],[29],[30] 500,000 [17],[19],[20],[22]
Cost $ 500,000 [29],[30] $ 500,000 [20],[22]
Fair Value $ 857,000 [29],[30] 798,000 [20],[22]
Investment, Identifier [Axis]: Canopy Safety Brands, LLC—Common Stock    
Schedule of Investments [Line Items]    
Shares 1,170,370  
Fair Value $ 2,404,000 647,000
Investment, Identifier [Axis]: Canopy Safety Brands, LLC—Preferred Stock    
Schedule of Investments [Line Items]    
Shares 500,000  
Fair Value $ 857,000 798,000
Investment, Identifier [Axis]: Chinese Yellow Pages Company – Line of Credit,    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[22],[36],[37]   107,000
Cost [22],[36],[37]   107,000
Fair Value [22],[36],[37]   0
Line of credit facility, available [7],[8],[9],[10],[22],[36],[37]   $ 0
Investment, Identifier [Axis]: Circuitronics EMS Holdings LLC – Common Units    
Schedule of Investments [Line Items]    
Shares [17],[19],[20],[22]   921,000
Cost [20],[22]   $ 921,000
Fair Value [20],[22]   0
Investment, Identifier [Axis]: Circuitronics EMS Holdings LLC—Common Units    
Schedule of Investments [Line Items]    
Shares 0  
Fair Value $ 0 0
Investment, Identifier [Axis]: DKI Ventures, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27],[38] 205,000  
Cost [27],[38] 205,000  
Fair Value [27],[38] 113,000  
Line of credit facility, available [3],[4],[5],[6],[27],[38] 170,000  
Investment, Identifier [Axis]: DKI Ventures, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 5,915,000 [24],[25],[27],[38] 5,915,000 [17],[19],[28]
Cost 5,915,000 [27],[38] 5,915,000 [28]
Fair Value $ 3,253,000 [27],[38] $ 4,554,000 [28]
Investment, Identifier [Axis]: Defiance Integrated Technologies, Inc. – Common Stock    
Schedule of Investments [Line Items]    
Shares 33,321,000 [24],[25],[29],[30] 33,321 [17],[19],[20],[22]
Cost $ 580,000 [29],[30] $ 580,000 [20],[22]
Fair Value 3,948,000 [29],[30] 1,147,000 [20],[22]
Investment, Identifier [Axis]: Defiance Integrated Technologies, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[29] 7,425,000  
Cost [29] 7,425,000  
Fair Value [29] $ 7,425,000  
Investment, Identifier [Axis]: Defiance Integrated Technologies, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[22]   7,665,000
Cost [22]   7,665,000
Fair Value [22]   7,665,000
Investment, Identifier [Axis]: Defiance Integrated Technologies, Inc.—Common Stock    
Schedule of Investments [Line Items]    
Shares 33,321  
Fair Value $ 3,948,000 1,147,000
Investment, Identifier [Axis]: Defiance Integrated Technologies, Inc.—Term Debt    
Schedule of Investments [Line Items]    
Principal amount 7,425,000  
Fair Value 7,425,000 7,665,000
Investment, Identifier [Axis]: ENET Holdings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 22,289,000 [24],[25],[27] 24,360,000 [17],[19],[28]
Cost 22,289,000 [27] 24,360,000 [28]
Fair Value $ 21,397,000 [27] $ 23,142,000 [28]
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 5,466,000 [24],[25],[29],[30],[32] 5,466 [17],[19],[20],[22],[33]
Cost $ 5,466,000 [29],[30],[32] $ 5,466,000 [20],[22],[33]
Fair Value 0 [29],[30],[32] 0 [20],[22],[33]
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[29],[32],[39] 6,140,000  
Cost [29],[32],[39] 6,140,000  
Fair Value [29],[32],[39] $ 2,895,000  
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[22],[33]   6,140,000
Cost [22],[33]   6,140,000
Fair Value [22],[33]   2,550,000
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc.—Preferred Stock    
Schedule of Investments [Line Items]    
Shares 5,466  
Fair Value $ 0 0
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc.—Term Debt    
Schedule of Investments [Line Items]    
Principal amount 6,140,000  
Fair Value 2,895,000 2,550,000
Investment, Identifier [Axis]: Eegee’s LLC – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount 3,000,000 [24],[25],[27] 3,000,000 [17],[19],[28]
Cost 3,000,000 [27] 3,000,000 [28]
Fair Value 2,865,000 [27] 2,910,000 [28]
Line of credit facility, available 4,500,000 [3],[4],[5],[6],[27] 4,500,000 [7],[8],[9],[10],[28]
Investment, Identifier [Axis]: Eegee’s LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 0 [24],[25],[27] 0 [17],[19],[28]
Cost 0 [27] 0 [28]
Fair Value 0 [27] 0 [28]
Line of credit facility, available 1,000,000 [3],[4],[5],[6],[27] 1,000,000 [7],[8],[9],[10],[28]
Investment, Identifier [Axis]: Eegee’s LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27] 17,000,000  
Cost [27] 17,000,000  
Fair Value [27] $ 16,235,000  
Investment, Identifier [Axis]: Eegee’s LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[28]   17,000,000
Cost [28]   17,000,000
Fair Value [28]   16,490,000
Investment, Identifier [Axis]: Encore Dredging Holdings, LLC – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[28]   5,023,000
Cost [28]   5,023,000
Fair Value [28]   4,885,000
Line of credit facility, available [7],[8],[9],[10],[28]   0
Investment, Identifier [Axis]: Encore Dredging Holdings, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[28]   0
Cost [28]   0
Fair Value [28]   0
Line of credit facility, available [7],[8],[9],[10],[28]   $ 3,000,000
Investment, Identifier [Axis]: Encore Dredging Holdings, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 3,840,000,000 [24],[25],[29],[30] 3,840,000 [17],[19],[20],[22],[33]
Cost $ 3,840,000 [29],[30] $ 3,840,000 [20],[22],[33]
Fair Value 4,265,000 [29],[30] 2,842,000 [20],[22],[33]
Investment, Identifier [Axis]: Encore Dredging Holdings, LLC – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[28]   23,611,000
Cost [28]   23,611,000
Fair Value [28]   22,962,000
Investment, Identifier [Axis]: Encore Dredging Holdings, LLC – Term Debt 2    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[28]   4,532,000
Cost [28]   4,532,000
Fair Value [28]   4,407,000
Investment, Identifier [Axis]: Encore Dredging Holdings, LLC—Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount 0  
Fair Value 0 4,885,000
Investment, Identifier [Axis]: Encore Dredging Holdings, LLC—Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 0  
Fair Value $ 0 0
Investment, Identifier [Axis]: Encore Dredging Holdings, LLC—Preferred Stock    
Schedule of Investments [Line Items]    
Shares 3,840,000  
Fair Value $ 4,265,000 2,842,000
Investment, Identifier [Axis]: Encore Dredging Holdings, LLC—Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount 0  
Fair Value 0 22,962,000
Investment, Identifier [Axis]: Encore Dredging Holdings, LLC—Term Debt 2    
Schedule of Investments [Line Items]    
Principal amount 0  
Fair Value $ 0 4,407,000
Investment, Identifier [Axis]: Engineering Manufacturing Technologies, LLC – Common Stock    
Schedule of Investments [Line Items]    
Shares [24],[25],[29],[30] 6,000,000  
Cost [29],[30] $ 3,000,000  
Fair Value [29],[30] 0  
Investment, Identifier [Axis]: Engineering Manufacturing Technologies, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 0 [24],[25],[27] 0 [17],[19],[28]
Cost 0 [27] 0 [28]
Fair Value 0 [27] 0 [28]
Line of credit facility, available 3,000,000 [3],[4],[5],[6],[27] 3,000,000 [7],[8],[9],[10],[28]
Investment, Identifier [Axis]: Engineering Manufacturing Technologies, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 21,500,000 [24],[25],[27] 22,500,000 [17],[19],[28]
Cost 21,500,000 [27] 22,500,000 [28]
Fair Value $ 19,726,000 [27] $ 22,134,000 [28]
Investment, Identifier [Axis]: FES Resources Holdings LLC – Common Equity Units    
Schedule of Investments [Line Items]    
Shares 6,233,000 [24],[25],[29],[30] 6,233 [17],[19],[20],[22]
Cost $ 0 [29],[30] $ 0 [20],[22]
Fair Value $ 0 [29],[30] $ 0 [20],[22]
Investment, Identifier [Axis]: FES Resources Holdings LLC – Preferred Equity Units    
Schedule of Investments [Line Items]    
Shares 6,350,000 [24],[25],[29],[30] 6,350 [17],[19],[20],[22]
Cost $ 6,350,000 [29],[30] $ 6,350,000 [20],[22]
Fair Value 4,508,000 [29],[30] 0 [20],[22]
Investment, Identifier [Axis]: Fix-It Group, LLC – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount 6,911,000 [24],[25],[27] 0 [17],[19],[28],[35]
Cost 6,911,000 [27] 0 [28],[35]
Fair Value 6,894,000 [27] 0 [28],[35]
Line of credit facility, available 0 [3],[4],[5],[6],[27] 10,000,000 [7],[8],[9],[10],[28],[35]
Investment, Identifier [Axis]: Fix-It Group, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 500,000 [24],[25],[27] 0 [17],[19],[28],[35]
Cost 500,000 [27] 0 [28],[35]
Fair Value 499,000 [27] 0 [28],[35]
Line of credit facility, available 2,500,000 [3],[4],[5],[6],[27] 3,000,000 [7],[8],[9],[10],[28],[35]
Investment, Identifier [Axis]: Fix-It Group, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 12,200,000 [24],[25],[27] 10,000,000 [17],[19],[28],[35]
Cost 12,200,000 [27] 10,000,000 [28],[35]
Fair Value 12,170,000 [27] 9,950,000 [28],[35]
Investment, Identifier [Axis]: Frontier Financial Group Inc. – Convertible Debt    
Schedule of Investments [Line Items]    
Principal amount 198,000 [24],[25],[29],[38] 198,000 [17],[19],[22],[40]
Cost 198,000 [29],[38] 198,000 [22],[40]
Fair Value $ 24,000 [29],[38] $ 55,000 [22],[40]
Investment, Identifier [Axis]: Frontier Financial Group Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 766,000 [24],[25],[29],[30] 766 [17],[19],[20],[22]
Cost $ 500,000 [29],[30] $ 500,000 [20],[22]
Fair Value $ 0 [29],[30] $ 0 [20],[22]
Investment, Identifier [Axis]: Frontier Financial Group Inc. – Preferred Stock Warrant    
Schedule of Investments [Line Items]    
Shares 168,000 [24],[25],[29],[30] 168 [17],[19],[20],[22]
Cost $ 0 [29],[30] $ 0 [20],[22]
Fair Value $ 0 [29],[30] $ 0 [20],[22]
Investment, Identifier [Axis]: Funko Acquisition Holdings, LLC(S) – Common Units    
Schedule of Investments [Line Items]    
Shares 4,239,000 [24],[25],[30],[32],[41] 4,239 [17],[19],[20],[33],[42]
Cost $ 22,000 [30],[32],[41] $ 22,000 [20],[33],[42]
Fair Value $ 22,000 [30],[32],[41] $ 58,000 [20],[33],[42]
Investment, Identifier [Axis]: GFRC 360, LLC – Common Stock Warrants    
Schedule of Investments [Line Items]    
Units 45.00% [24],[25],[29],[30] 45.00% [17],[19],[20],[22]
Cost $ 0 [29],[30] $ 0 [20],[22]
Fair Value 0 [29],[30] 0 [20],[22]
Investment, Identifier [Axis]: GFRC 360, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 1,275,000 [24],[25],[27] 700,000 [17],[19],[28]
Cost 1,275,000 [27] 700,000 [28]
Fair Value 1,205,000 [27] 681,000 [28]
Line of credit facility, available $ 175,000 [3],[4],[5],[6],[27] $ 500,000 [7],[8],[9],[10],[28]
Investment, Identifier [Axis]: GFRC 360, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 1,000,000 [24],[25],[29],[30] 1,000 [17],[19],[20],[22]
Cost $ 1,025,000 [29],[30] $ 1,025,000 [20],[22]
Fair Value 253,000 [29],[30] 551,000 [20],[22]
Investment, Identifier [Axis]: GFRC 360, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 1,000,000 [24],[25],[27] 1,000,000 [17],[19],[28]
Cost 1,000,000 [27] 1,000,000 [28]
Fair Value $ 945,000 [27] $ 973,000 [28]
Investment, Identifier [Axis]: GSM MidCo LLC – Common Stock    
Schedule of Investments [Line Items]    
Shares 767,000 [24],[25],[29],[30] 767 [17],[19],[20],[22]
Cost $ 767,000 [29],[30] $ 767,000 [20],[22]
Fair Value 1,562,000 [29],[30] 1,359,000 [20],[22]
Investment, Identifier [Axis]: Giving Home Health Care, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 28,800,000 [24],[25],[27],[38] 28,800,000 [17],[19],[28],[40]
Cost 28,800,000 [27],[38] 28,800,000 [28],[40]
Fair Value $ 28,800,000 [27],[38] $ 28,800,000 [28],[40]
Investment, Identifier [Axis]: Giving Home Health Care, LLC – Warrant    
Schedule of Investments [Line Items]    
Shares 10,667,000 [24],[25],[29],[30] 10,667 [17],[19],[20],[22]
Cost $ 19,000 [29],[30] $ 19,000 [20],[22]
Fair Value 2,794,000 [29],[30] 19,000 [20],[22]
Investment, Identifier [Axis]: Gray Matter Systems, LLC – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[28],[40]   2,500,000
Cost [28],[40]   2,476,000
Fair Value [28],[40]   2,481,000
Line of credit facility, available [7],[8],[9],[10],[28],[40]   4,000,000
Investment, Identifier [Axis]: Gray Matter Systems, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 13,645,000 [24],[25],[27],[38] 2,100,000 [17],[19],[28],[40]
Cost 13,578,000 [27],[38] 2,069,000 [28],[40]
Fair Value 13,645,000 [27],[38] 2,084,000 [28],[40]
Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[28],[35]   10,000,000
Cost [28],[35]   10,000,000
Fair Value [28],[35]   9,925,000
Line of credit facility, available [7],[8],[9],[10],[28],[35]   0
Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 1,359,000 [24],[25],[27],[34] 1,500,000 [17],[19],[28],[35]
Cost 1,359,000 [27],[34] 1,500,000 [28],[35]
Fair Value 1,347,000 [27],[34] 1,489,000 [28],[35]
Line of credit facility, available $ 478,000 [3],[4],[5],[6],[27],[34] $ 1,500,000 [7],[8],[9],[10],[28],[35]
Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 1,329,054,000 [24],[25],[29],[30] 854,848 [17],[19],[20],[22]
Cost $ 2,251,000 [29],[30] $ 956,000 [20],[22]
Fair Value 3,451,000 [29],[30] 945,000 [20],[22]
Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount 16,013,000 [24],[25],[27],[34] 16,000,000 [17],[19],[28],[35]
Cost 16,013,000 [27],[34] 16,000,000 [28],[35]
Fair Value 15,872,000 [27],[34] 15,880,000 [28],[35]
Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Term Debt 2    
Schedule of Investments [Line Items]    
Principal amount 3,225,000 [24],[25],[27],[34] 8,000,000 [17],[19],[28],[35]
Cost 3,225,000 [27],[34] 8,000,000 [28],[35]
Fair Value $ 3,197,000 [27],[34] $ 7,940,000 [28],[35]
Investment, Identifier [Axis]: Imperative Holdings Corporation – Preferred Equity Units    
Schedule of Investments [Line Items]    
Shares 972,569,000 [24],[25],[29],[30] 1,474,225 [17],[19],[20],[22]
Cost $ 488,000 [29],[30] $ 632,000 [20],[22]
Fair Value 2,318,000 [29],[30] 2,028,000 [20],[22]
Investment, Identifier [Axis]: Imperative Holdings Corporation – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27] 21,015,000  
Cost [27] 20,871,000  
Fair Value [27] 20,858,000  
Investment, Identifier [Axis]: Imperative Holdings Corporation – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[28]   24,016,000
Cost [28]   23,968,000
Fair Value [28]   23,295,000
Investment, Identifier [Axis]: LWO Acquisitions Company LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[22],[43]   95,000
Cost [22],[43]   95,000
Fair Value [22],[43]   0
Investment, Identifier [Axis]: LWO Acquisitions Company LLC—Term Debt    
Schedule of Investments [Line Items]    
Principal amount 0  
Fair Value 0 0
Investment, Identifier [Axis]: Leadpoint Business Services, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27] 13,500,000  
Cost [27] 13,500,000  
Fair Value [27] $ 13,399,000  
Investment, Identifier [Axis]: Leeds Novamark Capital I, L.P. – Limited Partnership Interest    
Schedule of Investments [Line Items]    
Units [24],[25],[30],[44],[45] 3.50%  
Cost [30],[44],[45] $ 0  
Fair Value [30],[44],[45] 231,000  
Line of credit facility, available [3],[4],[5],[6],[30],[44],[45] 843,000  
Investment, Identifier [Axis]: Lonestar EMS, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[29],[38] 3,927,000  
Cost [29],[38] 3,927,000  
Fair Value [29],[38] $ 3,927,000  
Investment, Identifier [Axis]: Lonestar EMS, LLC - Common Units    
Schedule of Investments [Line Items]    
Units 100.00%  
Fair Value $ 0 $ 0
Investment, Identifier [Axis]: Lonestar EMS, LLC – Common Units    
Schedule of Investments [Line Items]    
Units 100.00% [24],[25],[29],[30] 100.00% [17],[19],[20],[22]
Cost $ 6,750,000 [29],[30] $ 6,750,000 [20],[22]
Fair Value 0 [29],[30] 0 [20],[22]
Investment, Identifier [Axis]: Lonestar EMS, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[22],[40]   3,250,000
Cost [22],[40]   3,250,000
Fair Value [22],[40]   3,030,000
Investment, Identifier [Axis]: Lonestar EMS, LLC—Term Debt    
Schedule of Investments [Line Items]    
Principal amount 3,927,000  
Fair Value $ 3,927,000 3,030,000
Investment, Identifier [Axis]: MCG Energy Solutions, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[28]   0
Cost [28]   0
Fair Value [28]   0
Line of credit facility, available [7],[8],[9],[10],[28]   $ 3,000,000
Investment, Identifier [Axis]: MCG Energy Solutions, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 7,000,000,000 [24],[25],[29],[30] 7,000,000 [17],[19],[22]
Cost $ 7,000,000 [29],[30] $ 7,000,000 [22]
Fair Value 8,904,000 [29],[30] 8,151,000 [22]
Investment, Identifier [Axis]: MCG Energy Solutions, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27] 20,146,000  
Cost [27] 20,107,000  
Fair Value [27] $ 17,628,000  
Investment, Identifier [Axis]: MCG Energy Solutions, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[28]   20,820,000
Cost [28]   20,820,000
Fair Value [28]   $ 19,779,000
Investment, Identifier [Axis]: NeoGraf Solutions LLC – Common Stock    
Schedule of Investments [Line Items]    
Shares [24],[25],[29],[30] 2,000,000,000  
Cost [29],[30] $ 2,000,000  
Fair Value [29],[30] 0  
Investment, Identifier [Axis]: NeoGraf Solutions LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27] 0  
Cost [27] 0  
Fair Value [27] 0  
Line of credit facility, available [3],[4],[5],[6],[27] 4,500,000  
Investment, Identifier [Axis]: NeoGraf Solutions LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27] 27,154,000  
Cost [27] 27,154,000  
Fair Value [27] $ 26,000,000  
Investment, Identifier [Axis]: NetFortris Corp. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares [17],[19],[20],[22]   7,890,860
Cost [20],[22]   $ 789,000
Fair Value [20],[22]   469,000
Investment, Identifier [Axis]: OCI, LLC – Common Units    
Schedule of Investments [Line Items]    
Shares [24],[25],[29],[30] 306,000  
Cost [29],[30] $ 0  
Fair Value [29],[30] 0  
Investment, Identifier [Axis]: OCI, LLC – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27] 20,000,000  
Cost [27] 20,000,000  
Fair Value [27] 19,800,000  
Investment, Identifier [Axis]: OCI, LLC – Term Debt 2    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27],[38] 2,012,000  
Cost [27],[38] 2,012,000  
Fair Value [27],[38] $ 1,992,000  
Investment, Identifier [Axis]: Ohio Armor Holdings, LLC – Common Equity    
Schedule of Investments [Line Items]    
Shares [24],[25],[29],[30] 100,000  
Cost [29],[30] $ 1,000,000  
Fair Value [29],[30] 680,000  
Investment, Identifier [Axis]: Ohio Armor Holdings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 17,738,000 [24],[25],[27] 18,913,000 [17],[19],[28]
Cost 17,738,000 [27] 18,913,000 [28]
Fair Value $ 17,294,000 [27] $ 18,558,000 [28]
Investment, Identifier [Axis]: PIC 360, LLC – Common Equity Units    
Schedule of Investments [Line Items]    
Shares 750,000 [24],[25],[29],[30] 750 [17],[19],[20],[22]
Cost $ 1,000 [29],[30] $ 1,000 [20],[22]
Fair Value $ 284,000 [29],[30] 3,454,000 [20],[22]
Investment, Identifier [Axis]: PIC 360, LLC—Common Equity Units    
Schedule of Investments [Line Items]    
Shares 750  
Fair Value $ 284,000 3,454,000
Investment, Identifier [Axis]: Pansophic Learning, Ltd. – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount 28,000,000 [24],[25],[27],[34] 28,000,000 [17],[19],[28]
Cost 27,968,000 [27],[34] 27,961,000 [28]
Fair Value 27,965,000 [27],[34] 27,825,000 [28]
Investment, Identifier [Axis]: Pansophic Learning, Ltd. – Term Debt 2    
Schedule of Investments [Line Items]    
Principal amount 5,000,000 [24],[25],[27],[34] 5,000,000 [17],[19],[28]
Cost 4,994,000 [27],[34] 4,993,000 [28]
Fair Value $ 4,994,000 [27],[34] 4,969,000 [28]
Investment, Identifier [Axis]: R2i Holdings, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[40],[46]   829,000
Cost [40],[46]   829,000
Fair Value [40],[46]   829,000
Line of credit facility, available [7],[8],[9],[10],[40],[46]   1,171,000
Investment, Identifier [Axis]: R2i Holdings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[40],[46]   18,000,000
Cost [40],[46]   18,000,000
Fair Value [40],[46]   18,000,000
Investment, Identifier [Axis]: Salt & Straw, LLC – Common Warrant    
Schedule of Investments [Line Items]    
Units [24],[25],[29],[30] 0.40%  
Cost [29],[30] $ 0  
Fair Value [29],[30] 31,000  
Investment, Identifier [Axis]: Salt & Straw, LLC – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount 10,200,000 [24],[25],[27] 0 [17],[19],[28]
Cost 10,133,000 [27] 0 [28]
Fair Value 9,715,000 [27] 0 [28]
Line of credit facility, available 1,300,000 [3],[4],[5],[6],[27] 11,500,000 [7],[8],[9],[10],[28]
Investment, Identifier [Axis]: Salt & Straw, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 0 [24],[25],[27] 800,000 [17],[19],[28]
Cost 0 [27] 800,000 [28]
Fair Value 0 [27] 800,000 [28]
Line of credit facility, available $ 2,000,000 [3],[4],[5],[6],[27] $ 1,200,000 [7],[8],[9],[10],[28]
Investment, Identifier [Axis]: Salvo Technologies, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 2,500,000 [24],[25],[29],[30] 2,500 [17],[19],[20],[22]
Cost $ 2,500,000 [29],[30] $ 2,500,000 [20],[22]
Fair Value 1,225,000 [29],[30] 2,584,000 [20],[22]
Investment, Identifier [Axis]: Salvo Technologies, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 11,768,000 [24],[25],[27] 11,887,000 [17],[19],[28],[31]
Cost 11,768,000 [27] 11,887,000 [28],[31]
Fair Value $ 10,900,000 [27] $ 11,619,000 [28],[31]
Investment, Identifier [Axis]: Sea Link International IRB, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 98,039,000 [24],[25],[29],[30] 98,039 [17],[19],[20],[22]
Cost $ 98,000 [29],[30] $ 98,000 [20],[22]
Fair Value 183,000 [29],[30] 153,000 [20],[22]
Investment, Identifier [Axis]: Sea Link International IRB, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[28],[40]   11,719,000
Cost [28],[40]   11,679,000
Fair Value [28],[40]   $ 11,074,000
Investment, Identifier [Axis]: Sea Link International IRB, Inc. – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27],[38] 12,083,000  
Cost [27],[38] 12,053,000  
Fair Value [27],[38] 11,675,000  
Investment, Identifier [Axis]: Sea Link International IRB, Inc. – Term Debt 2    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27],[38] 4,000,000  
Cost [27],[38] 4,000,000  
Fair Value [27],[38] $ 4,000,000  
Investment, Identifier [Axis]: Sea Link International IRB, Inc.– Common Equity Units    
Schedule of Investments [Line Items]    
Shares 823,333,000 [24],[25],[29],[30] 823,333 [17],[19],[20],[22]
Cost $ 823,000 [29],[30] $ 823,000 [20],[22]
Fair Value $ 340,000 [29],[30] $ 105,000 [20],[22]
Investment, Identifier [Axis]: Sokol & Company Holdings, LLC – Common Stock    
Schedule of Investments [Line Items]    
Shares 1,500,000,000 [24],[25],[29],[30] 1,500,000 [17],[19],[20],[22]
Cost $ 1,500,000 [29],[30] $ 1,500,000 [20],[22]
Fair Value 1,612,000 [29],[30] 1,500,000 [20],[22]
Investment, Identifier [Axis]: Sokol & Company Holdings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[28],[31]   13,500,000
Cost [28],[31]   13,500,000
Fair Value [28],[31]   13,500,000
Investment, Identifier [Axis]: Sokol & Company Holdings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27] 13,500,000  
Cost [27] 13,500,000  
Fair Value [27] 13,095,000  
Investment, Identifier [Axis]: SpaceCo Holdings, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 1,450,000 [24],[25],[27],[34] 1,900,000 [17],[19],[28],[35]
Cost 1,450,000 [27],[34] 1,900,000 [28],[35]
Fair Value 1,434,000 [27],[34] 1,886,000 [28],[35]
Line of credit facility, available 550,000 [3],[4],[5],[6],[27],[34] 100,000 [7],[8],[9],[10],[28],[35]
Investment, Identifier [Axis]: SpaceCo Holdings, LLC – Term Deb    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[28],[35]   31,719,000
Cost [28],[35]   31,326,000
Fair Value [28],[35]   31,481,000
Investment, Identifier [Axis]: SpaceCo Holdings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27],[34] 30,284,000  
Cost [27],[34] 29,961,000  
Fair Value [27],[34] 29,944,000  
Investment, Identifier [Axis]: Springfield, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 30,000,000 [24],[25],[27] 30,000,000 [17],[19],[28]
Cost 30,000,000 [27] 30,000,000 [28]
Fair Value $ 29,850,000 [27] $ 29,738,000 [28]
Investment, Identifier [Axis]: TNCP Intermediate HoldCo, LLC – Common Equity Units    
Schedule of Investments [Line Items]    
Shares 790,000,000 [24],[25],[29],[30] 790,000 [17],[19],[20],[22]
Cost $ 500,000 [29],[30] $ 500,000 [20],[22]
Fair Value 3,073,000 [29],[30] 2,337,000 [20],[22]
Investment, Identifier [Axis]: TNCP Intermediate HoldCo, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 900,000 [24],[25],[29],[38] 1,000,000 [17],[19],[22],[40]
Cost 900,000 [29],[38] 1,000,000 [22],[40]
Fair Value 900,000 [29],[38] 1,000,000 [22],[40]
Line of credit facility, available [7],[8],[9],[10],[22],[40]   1,000,000
Investment, Identifier [Axis]: TNCP Intermediate HoldCo, LLC—-Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 900,000  
Fair Value 900,000 1,000,000
Line of credit facility, available [3],[4],[5],[6],[29],[38] $ 1,100,000  
Investment, Identifier [Axis]: TNCP Intermediate HoldCo, LLC—Common Equity Units    
Schedule of Investments [Line Items]    
Shares 790,000  
Fair Value $ 3,073,000 2,337,000
Investment, Identifier [Axis]: Tailwind Smith Cooper Intermediate Corporation – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 5,000,000 [23],[24],[25],[34] 5,000,000 [17],[19],[26]
Cost 4,856,000 [23],[34] 4,829,000 [26]
Fair Value $ 4,294,000 [23],[34] $ 4,313,000 [26]
Investment, Identifier [Axis]: Targus Cayman HoldCo, Ltd. – Common Stock    
Schedule of Investments [Line Items]    
Shares [17],[19],[20],[46],[47]   3,076,414
Cost [20],[46],[47]   $ 2,062,000
Fair Value [20],[46],[47]   $ 7,978,000
Investment, Identifier [Axis]: Technical Resource Management, LLC – Common Stock    
Schedule of Investments [Line Items]    
Shares [24],[25],[29],[30] 2,000,000,000  
Cost [29],[30] $ 2,000,000  
Fair Value [29],[30] 1,415,000  
Investment, Identifier [Axis]: Technical Resource Management, LLC – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27] 0  
Cost [27] 0  
Fair Value [27] 0  
Line of credit facility, available [3],[4],[5],[6],[27] 2,500,000  
Investment, Identifier [Axis]: Technical Resource Management, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27] 2,000,000  
Cost [27] 2,000,000  
Fair Value [27] 1,970,000  
Line of credit facility, available [3],[4],[5],[6],[27] 1,000,000  
Investment, Identifier [Axis]: Technical Resource Management, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27] 23,000,000  
Cost [27] 23,000,000  
Fair Value [27] $ 22,655,000  
Investment, Identifier [Axis]: Total Safety Holdings, LLC – Common Equity    
Schedule of Investments [Line Items]    
Shares 435,000 [24],[25],[29],[30] 435 [17],[19],[20],[22]
Cost $ 499,000 [29],[30] $ 499,000 [20],[22]
Fair Value $ 146,000 [29],[30] $ 50,000 [20],[22]
Investment, Identifier [Axis]: Triple H Food Processors, LLC – Common Stock    
Schedule of Investments [Line Items]    
Shares 250,000,000 [24],[25],[29],[30] 250,000 [17],[19],[20],[22]
Cost $ 250,000 [29],[30] $ 250,000 [20],[22]
Fair Value $ 1,641,000 [29],[30] $ 672,000 [20],[22]
Investment, Identifier [Axis]: Triple H Food Processors, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 75,000 [24],[25],[29],[30] 75 [17],[19],[20],[22]
Cost $ 75,000 [29],[30] $ 75,000 [20],[22]
Fair Value 141,000 [29],[30] 120,000 [20],[22]
Investment, Identifier [Axis]: Trowbridge Chicago, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27] 0  
Cost [27] 0  
Fair Value [27] 0  
Line of credit facility, available [3],[4],[5],[6],[27] $ 2,000,000  
Investment, Identifier [Axis]: Trowbridge Chicago, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Shares [24],[25],[29],[30] 242,105,000  
Cost [29],[30] $ 750,000  
Fair Value [29],[30] 750,000  
Investment, Identifier [Axis]: Trowbridge Chicago, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27] 5,750,000  
Cost [27] 5,750,000  
Fair Value [27] 5,664,000  
Investment, Identifier [Axis]: Turn Key Health Clinics, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 500,000 [24],[25],[27] 500,000 [17],[19],[28]
Cost 500,000 [27] 500,000 [28]
Fair Value 499,000 [27] 495,000 [28]
Line of credit facility, available 1,500,000 [3],[4],[5],[6],[27] 1,500,000 [7],[8],[9],[10],[28]
Investment, Identifier [Axis]: Turn Key Health Clinics, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 11,000,000 [24],[25],[27] 11,000,000 [17],[19],[28]
Cost 11,000,000 [27] 11,000,000 [28]
Fair Value 10,986,000 [27] 10,890,000 [28]
Investment, Identifier [Axis]: Unirac Holdings, Inc. – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount 1,108,000 [24],[25],[27] 0 [17],[19],[28],[31]
Cost 1,108,000 [27] 0 [28],[31]
Fair Value 1,111,000 [27] 0 [28],[31]
Line of credit facility, available 1,669,000 [3],[4],[5],[6],[27] 2,778,000 [7],[8],[9],[10],[28],[31]
Investment, Identifier [Axis]: Unirac Holdings, Inc. – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 978,000 [24],[25],[27] 0 [17],[19],[28],[31]
Cost 978,000 [27] 0 [28],[31]
Fair Value 980,000 [27] 0 [28],[31]
Line of credit facility, available 1,244,000 [3],[4],[5],[6],[27] 2,222,000 [7],[8],[9],[10],[28],[31]
Investment, Identifier [Axis]: Unirac Holdings, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27] 14,888,000  
Cost [27] 14,577,000  
Fair Value [27] 14,925,000  
Investment, Identifier [Axis]: Unirac Holdings, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[28],[31]   15,000,000
Cost [28],[31]   14,628,000
Fair Value [28],[31]   15,000,000
Investment, Identifier [Axis]: Viva Railings, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 0 [24],[25],[27] 0 [17],[19],[28]
Cost 0 [27] 0 [28]
Fair Value 0 [27] 0 [28]
Line of credit facility, available 4,000,000 [3],[4],[5],[6],[27] 4,000,000 [7],[8],[9],[10],[28]
Investment, Identifier [Axis]: Viva Railings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27] 20,747,000  
Cost [27] 20,747,000  
Fair Value [27] $ 20,436,000  
Investment, Identifier [Axis]: Viva Railings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[28]   21,800,000
Cost [28]   21,800,000
Fair Value [28]   $ 21,364,000
Investment, Identifier [Axis]: WB Xcel Holdings, LLC - Preferred Stock    
Schedule of Investments [Line Items]    
Shares [17],[19],[20],[22]   333
Cost [20],[22]   $ 2,750,000
Fair Value [20],[22]   5,687,000
Investment, Identifier [Axis]: WB Xcel Holdings, LLC - Preferred Stock    
Schedule of Investments [Line Items]    
Shares 333  
Fair Value $ 0 5,687,000
Investment, Identifier [Axis]: WB Xcel Holdings, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 1,468,000 [24],[25],[29] 1,468,000 [17],[19],[22]
Cost 1,468,000 [29] 1,468,000 [22]
Fair Value 1,468,000 [29] 1,468,000 [22]
Line of credit facility, available $ 32,000 [3],[4],[5],[6],[29] 32,000 [7],[8],[9],[10],[22]
Investment, Identifier [Axis]: WB Xcel Holdings, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Shares [24],[25],[29],[30] 333,000  
Cost [29],[30] $ 2,750,000  
Fair Value [29],[30] 0  
Investment, Identifier [Axis]: WB Xcel Holdings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[29] 9,825,000  
Cost [29] 9,825,000  
Fair Value [29] 9,825,000  
Investment, Identifier [Axis]: WB Xcel Holdings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[22]   9,925,000
Cost [22]   9,925,000
Fair Value [22]   9,925,000
Investment, Identifier [Axis]: WB Xcel Holdings, LLC—Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 1,468,000  
Fair Value 1,468,000 1,468,000
Investment, Identifier [Axis]: WB Xcel Holdings, LLC—Term Loan    
Schedule of Investments [Line Items]    
Principal amount 9,825,000  
Fair Value $ 9,825,000 $ 9,925,000
Investment, Identifier [Axis]: WorkforceQA, LLC – Common Stock    
Schedule of Investments [Line Items]    
Shares 532,000 [24],[25],[29],[30] 500 [17],[19],[20],[22]
Cost $ 532,000 [29],[30] $ 500,000 [20],[22]
Fair Value 359,000 [29],[30] 456,000 [20],[22]
Investment, Identifier [Axis]: WorkforceQA, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27] 400,000  
Cost [27] 400,000  
Fair Value [27] 400,000  
Line of credit facility, available [3],[4],[5],[6],[27] 1,600,000  
Investment, Identifier [Axis]: WorkforceQA, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[28],[35],[48]   10,000,000
Cost [28],[35],[48]   10,000,000
Fair Value [28],[35],[48]   9,975,000
Investment, Identifier [Axis]: WorkforceQA, LLC – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27],[49] 10,000,000  
Cost [27],[49] 9,971,000  
Fair Value [27],[49] 9,987,000  
Investment, Identifier [Axis]: WorkforceQA, LLC – Term Debt 2    
Schedule of Investments [Line Items]    
Principal amount [24],[25],[27],[49] 1,600,000  
Cost [27],[49] 1,595,000  
Fair Value [27],[49] $ 1,598,000  
Investment, Identifier [Axis]: WorkforceQA, LLC– Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [17],[19],[28],[35]   0
Cost [28],[35]   0
Fair Value [28],[35]   0
Line of credit facility, available [7],[8],[9],[10],[28],[35]   $ 2,000,000
[1] Cumulative gross unrealized depreciation for federal income tax purposes is $56.9 million; cumulative gross unrealized appreciation for federal income tax purposes is $33.7 million. Cumulative net unrealized depreciation is $23.2 million, based on a tax cost of $728.0 million.
[2] Cumulative gross unrealized depreciation for federal income tax purposes is $52.3 million; cumulative gross unrealized appreciation for federal income tax purposes is $35.2 million. Cumulative net unrealized depreciation is $17.1 million, based on a tax cost of $666.7 million.
[3] Certain of the securities listed in this schedule are issued by affiliate(s) of the indicated portfolio company. The majority of the securities listed, totaling $628.3 million at fair value, are pledged as collateral under our revolving line of credit, as described further in Note 5—Borrowings in the accompanying Notes to Consolidated Financial Statements. Under the Investment Company Act of 1940, as amended (the “1940 Act”), we may not acquire any non-qualifying assets unless, at the time such acquisition is made, qualifying assets represent at least 70% of our total assets. As of September 30, 2023, our investments in Leeds Novamark Capital I, L.P. (“Leeds”) and Funko Acquisition Holdings, LLC (“Funko”) are considered non-qualifying assets under Section 55 of the 1940 Act. Such non-qualifying assets represent less than 0.1% of total investments, at fair value, as of September 30, 2023.
[4] Unless indicated otherwise, all of our investments are valued using Level 3 inputs within the Financial Accounting Standards Board (“FASB”) Accounting Standard Codification (“ASC”) Topic 820, “Fair Value Measurements and Disclosures” (“ASC 820”) fair value hierarchy. Refer to Note 3—Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[5] Category percentages represent the fair value of each category and subcategory as a percentage of net assets as of September 30, 2023.
[6] Unless indicated otherwise, all cash interest rates are indexed to one-month Secured Overnight Financing Rate (“SOFR” or “S”), which was 5.32% as of September 30, 2023. If applicable, paid-in-kind (“PIK”) interest rates are noted separately from the cash interest rate. Certain securities are subject to an interest rate floor. The cash interest rate is the greater of the floor or SOFR plus a spread. Due dates represent the contractual maturity date.
[7] Unless indicated otherwise, all of our investments are valued using Level 3 inputs within the ASC 820 fair value hierarchy. Refer to Note 3Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[8] Certain of the securities listed in this schedule are issued by affiliate(s) of the indicated portfolio company. The majority of the securities listed, totaling $577.6 million at fair value, are pledged as collateral under our revolving line of credit, as described further in Note 5—Borrowings in the accompanying Notes to Consolidated Financial Statements. Under the 1940 Act, we may not acquire any non-qualifying assets unless, at the time such acquisition is made, qualifying assets represent at least 70% of our total assets. As of September 30, 2022, our investments in Leeds and Funko are considered non-qualifying assets under Section 55 of the 1940 Act. Such non-qualifying assets represent 1.0% of total investments, at fair value, as of September 30, 2022.
[9] Category percentages represent the fair value of each category and subcategory as a percentage of net assets as of September 30, 2022.
[10] Unless indicated otherwise, all cash interest rates are indexed to 30-day London Interbank Offered Rate (“LIBOR” or “L”), which was 3.14% as of September 30, 2022. If applicable, PIK interest rates are noted separately from the cash interest rate. Certain securities are subject to an interest rate floor. The cash interest rate is the greater of the floor or LIBOR plus a spread. Due dates represent the contractual maturity date.
[11] Non-Control/Non-Affiliate investments, as defined by the 1940 Act, are those that are neither Control nor Affiliate investments and in which we own less than 5.0% of the issued and outstanding voting securities.
[12] Non-Control/Non-Affiliate investments, as defined by the 1940 Act, are those that are neither Control nor Affiliate investments and in which we own less than 5.0% of the issued and outstanding voting securities.
[13] Affiliate investments, as defined by the 1940 Act, are those in which we own, with the power to vote, between and inclusive of 5.0% and 25.0% of the issued and outstanding voting securities.
[14] Affiliate investments, as defined by the 1940 Act, are those in which we own, with the power to vote, between and inclusive of 5.0% and 25.0% of the issued and outstanding voting securities.
[15] Control investments, as defined by the 1940 Act, are those where we have the power to exercise a controlling influence over the management or policies of the portfolio company, which may include owning, with the power to vote, more than 25.0% of the issued and outstanding voting securities.
[16] Control investments, as defined by the 1940 Act, are those where we have the power to exercise a controlling influence over the management or policies of the portfolio company, which may include owning, with the power to vote, more than 25.0% of the issued and outstanding voting securities.
[17] Where applicable, aggregates all shares of a class of stock owned without regard to specific series owned within such class (some series of which may or may not be voting shares) or aggregates all warrants to purchase shares of a class of stock owned without regard to specific series of such class of stock such warrants allow us to purchase.
[18] Fair value was based on net asset value provided by the fund as a practical expedient.
[19] Represents the principal balance for debt investments and the number of shares/units held for equity investments. Warrants are represented as a percentage of ownership, as applicable.
[20] Security is non-income producing.
[21] There are certain limitations on our ability to withdraw our partnership interest prior to dissolution of the entity, which must occur no later than May 9, 2024 or two years after all outstanding leverage has matured.
[22] Fair value was based on the total enterprise value of the portfolio company, which was then allocated to the portfolio company’s securities in order of their relative priority in the capital structure.
[23] Fair value was based on the indicative bid price on or near September 30, 2023, offered by the respective syndication agent’s trading desk.
[24] Represents the principal balance for debt investments and the number of shares/units held for equity investments. Warrants are represented as a percentage of ownership, as applicable.
[25] Where applicable, aggregates all shares of a class of stock owned without regard to specific series owned within such class (some series of which may or may not be voting shares) or aggregates all warrants to purchase shares of a class of stock owned without regard to specific series of such class of stock such warrants allow us to purchase.
[26] Fair value was based on the indicative bid price on or near September 30, 2022, offered by the respective syndication agent’s trading desk.
[27] Fair value was based on an internal yield analysis or on estimates of value submitted by a third party valuation firm.
[28] Fair value was based on an internal yield analysis or on estimates of value submitted by a third party valuation firm.
[29] Fair value was based on the total enterprise value of the portfolio company, which was then allocated to the portfolio company’s securities in order of their relative priority in the capital structure.
[30] Security is non-income producing.
[31] The cash interest rate on this investment was indexed to the 30-day SOFR, which was 3.04% as of September 30, 2022.
[32] One of our affiliated funds, Gladstone Investment Corporation, co-invested with us in this portfolio company pursuant to an exemptive order granted by the U.S. Securities and Exchange Commission.
[33] One of our affiliated funds, Gladstone Investment Corporation, co-invested with us in this portfolio company pursuant to an exemptive order granted by the U.S. Securities and Exchange Commission.
[34] The cash interest rate on this investment was indexed to 90-day SOFR, which was 5.40% as of September 30, 2023.
[35] The cash interest rate on this investment was indexed to 90-day LIBOR, which was 3.75% as of September 30, 2022.
[36] Investment maturity date has passed. Investment continues to make applicable interest payments.
[37] The cash interest rate on this investment was indexed to the U.S. Prime Rate (“PRIME”), which was 6.25% as of September 30, 2022.
[38] Debt security has a fixed interest rate.
[39] Debt security is on non-accrual status.
[40] Debt security has a fixed interest rate.
[41] Our investment in Funko was valued using Level 2 inputs within ASC 820 of the fair value hierarchy. Our common units in Funko are convertible to class A common stock in Funko, Inc. upon meeting certain requirements. Fair value was based on the closing market price of shares of Funko, Inc. as of the reporting date, less a discount for lack of marketability. Funko, Inc. is traded on the Nasdaq Global Select Market under the trading symbol “FNKO.” Refer to Note 3—Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[42] Our investment in Funko was valued using Level 2 inputs within the ASC 820 fair value hierarchy. Our common units in Funko are convertible to class A common stock in Funko, Inc. upon meeting certain requirements. Fair value was based on the closing market price of shares of Funko, Inc. as of the reporting date, less a discount for lack of marketability. Funko, Inc. is traded on the Nasdaq Global Select Market under the trading symbol “FNKO.” Refer to Note 3—Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[43] Debt security does not have a stated interest rate that is payable thereon.
[44] Fair value was based on net asset value provided by the fund as a practical expedient.
[45] There are certain limitations on our ability to withdraw our partnership interest prior to dissolution of the entity, which must occur no later than May 9, 2024 or two years after all outstanding leverage has matured.
[46] Fair value was based on the expected exit or payoff amount, where such event has occurred or is expected to occur imminently
[47] Investment was exited subsequent to September 30, 2022.
[48] The Company has entered into an agreement that entitles it to the "last out" tranche of the first lien secured loan, whereby the "first out" tranche will receive priority as to the "last out" tranche with respect to payments of principal, interest, and any other amounts due thereunder. Therefore, the Company receives a higher interest rate than the contractual stated interest rate of LIBOR plus 6.50% (Floor 1.0%) per the credit agreement and the Consolidated Schedule of Investments above reflects such higher rate.
[49] The Company has entered into an agreement that entitles it to the "last out" tranche of the first lien secured loans, whereby the "first out" tranche will receive priority as to the "last out" tranche with respect to payments of principal, interest, and any other amounts due thereunder.