Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED SCHEDULE OF INVESTMENTS

v3.23.2
CONSOLIDATED SCHEDULE OF INVESTMENTS - USD ($)
Jun. 30, 2023
Sep. 30, 2022
Schedule of Investments [Line Items]    
Cost $ 735,182,000 $ 656,053,000
Fair Value 715,324,000 649,615,000
Aerospace and Defense    
Schedule of Investments [Line Items]    
Fair Value 87,932,000 88,649,000
Beverage, Food, and Tobacco    
Schedule of Investments [Line Items]    
Fair Value 74,641,000 64,283,000
Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Fair Value 160,904,000 114,105,000
Diversified/Conglomerate Service    
Schedule of Investments [Line Items]    
Fair Value 164,261,000 148,907,000
Healthcare, Education, and Childcare    
Schedule of Investments [Line Items]    
Fair Value 145,011,000 136,401,000
Machinery    
Schedule of Investments [Line Items]    
Fair Value 6,676,000 9,562,000
Telecommunications    
Schedule of Investments [Line Items]    
Fair Value 5,976,000 10,088,000
Oil and Gas    
Schedule of Investments [Line Items]    
Fair Value 26,887,000 25,373,000
Secured first lien debt    
Schedule of Investments [Line Items]    
Cost 549,860,000 475,806,000
Fair Value 533,237,000 463,858,000
Secured second lien debt    
Schedule of Investments [Line Items]    
Cost 122,681,000 118,949,000
Fair Value 120,036,000 115,928,000
Unsecured debt    
Schedule of Investments [Line Items]    
Cost 198,000 293,000
Fair Value 32,000 55,000
Preferred Equity    
Schedule of Investments [Line Items]    
Cost 35,617,000 34,505,000
Fair Value 27,991,000 27,046,000
Common Equity/ Equivalents    
Schedule of Investments [Line Items]    
Cost 26,826,000 26,500,000
Fair Value 34,028,000 42,728,000
Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost 650,784,000 [1] 571,736,000 [2]
Fair Value 642,847,000 [1] 574,811,000 [2]
Non-Control/Non-Affiliate investments | Secured first lien debt    
Schedule of Investments [Line Items]    
Cost 494,074,000 [1] 420,857,000 [2]
Fair Value 481,679,000 [1] 413,631,000 [2]
Non-Control/Non-Affiliate investments | Secured first lien debt | Aerospace and Defense    
Schedule of Investments [Line Items]    
Cost 72,090,000 [1] 74,112,000 [2]
Fair Value 71,575,000 [1] 73,898,000 [2]
Non-Control/Non-Affiliate investments | Secured first lien debt | Beverage, Food, and Tobacco    
Schedule of Investments [Line Items]    
Cost 71,300,000 [1] 59,730,000 [2]
Fair Value 69,183,000 [1] 58,971,000 [2]
Non-Control/Non-Affiliate investments | Secured first lien debt | Buildings and Real Estate    
Schedule of Investments [Line Items]    
Cost 2,150,000 [1] 1,700,000 [2]
Fair Value 2,012,000 [1] 1,654,000 [2]
Non-Control/Non-Affiliate investments | Secured first lien debt | Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Cost 117,983,000 [1] 70,815,000 [2]
Fair Value 115,251,000 [1] 70,117,000 [2]
Non-Control/Non-Affiliate investments | Secured first lien debt | Diversified/Conglomerate Service    
Schedule of Investments [Line Items]    
Cost 111,164,000 [1] 101,924,000 [2]
Fair Value 105,816,000 [1] 97,884,000 [2]
Non-Control/Non-Affiliate investments | Secured first lien debt | Healthcare, Education, and Childcare    
Schedule of Investments [Line Items]    
Cost 106,352,000 [1] 99,644,000 [2]
Fair Value 106,344,000 [1] 98,881,000 [2]
Non-Control/Non-Affiliate investments | Secured first lien debt | Machinery    
Schedule of Investments [Line Items]    
Cost 5,835,000 [1] 5,625,000 [2]
Fair Value 5,522,000 [1] 5,350,000 [2]
Non-Control/Non-Affiliate investments | Secured first lien debt | Telecommunications    
Schedule of Investments [Line Items]    
Cost 7,200,000 [1] 7,200,000 [2]
Fair Value 5,976,000 [1] 6,876,000 [2]
Non-Control/Non-Affiliate investments | Secured second lien debt    
Schedule of Investments [Line Items]    
Cost 115,256,000 [1] 111,284,000 [2]
Fair Value 112,611,000 [1] 108,263,000 [2]
Non-Control/Non-Affiliate investments | Secured second lien debt | Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Cost 36,849,000 [1] 34,829,000 [2]
Fair Value 36,188,000 [1] 34,051,000 [2]
Non-Control/Non-Affiliate investments | Secured second lien debt | Diversified/Conglomerate Service    
Schedule of Investments [Line Items]    
Cost 11,526,000 [1] 7,512,000 [2]
Fair Value 11,349,000 [1] 7,265,000 [2]
Non-Control/Non-Affiliate investments | Unsecured debt    
Schedule of Investments [Line Items]    
Cost [1] 198,000  
Fair Value [1] 32,000  
Non-Control/Non-Affiliate investments | Preferred Equity    
Schedule of Investments [Line Items]    
Cost 23,061,000 [1] 21,949,000 [2]
Fair Value 21,726,000 [1] 17,719,000 [2]
Non-Control/Non-Affiliate investments | Preferred Equity | Diversified/Conglomerate Service    
Schedule of Investments [Line Items]    
Cost 8,250,000 [1] 7,500,000 [2]
Fair Value 9,654,000 [1] 8,151,000 [2]
Non-Control/Non-Affiliate investments | Preferred Equity | Telecommunications    
Schedule of Investments [Line Items]    
Cost [2]   2,813,000
Fair Value [2]   3,187,000
Non-Control/Non-Affiliate investments | Preferred Equity | Oil and Gas    
Schedule of Investments [Line Items]    
Cost 6,838,000 [1] 6,982,000 [2]
Fair Value 5,275,000 [1] 2,028,000 [2]
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents    
Schedule of Investments [Line Items]    
Cost 18,195,000 [1] 17,448,000 [2]
Fair Value 26,799,000 [1] 35,143,000 [2]
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Aerospace and Defense    
Schedule of Investments [Line Items]    
Cost 5,283,000 [1] 5,283,000 [2]
Fair Value 16,357,000 [1] 14,751,000 [2]
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Beverage, Food, and Tobacco    
Schedule of Investments [Line Items]    
Cost 1,750,000 [1] 1,750,000 [2]
Fair Value 2,892,000 [1] 2,172,000 [2]
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Buildings and Real Estate    
Schedule of Investments [Line Items]    
Cost [1] 5,000,000  
Fair Value [1] 855,000  
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Healthcare, Education, and Childcare    
Schedule of Investments [Line Items]    
Cost 2,786,000 [1] 2,009,000 [2]
Fair Value 5,726,000 [1] 7,775,000 [2]
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Oil and Gas    
Schedule of Investments [Line Items]    
Cost 499,000 [1] 499,000 [2]
Fair Value 119,000 [1] 50,000 [2]
Affiliate investments    
Schedule of Investments [Line Items]    
Cost 50,327,000 49,412,000
Fair Value 42,023,000 39,091,000
Affiliate investments | Secured first lien debt    
Schedule of Investments [Line Items]    
Cost 39,721,000 [3] 39,306,000 [4]
Fair Value 35,493,000 [3] 34,804,000 [4]
Affiliate investments | Secured first lien debt | Diversified/Conglomerate Service    
Schedule of Investments [Line Items]    
Cost 33,581,000 [3] 33,166,000 [4]
Fair Value 32,741,000 [3] 32,254,000 [4]
Affiliate investments | Preferred Equity    
Schedule of Investments [Line Items]    
Cost 9,806,000 [3] 9,806,000 [4]
Fair Value 5,124,000 [3] 3,640,000 [4]
Affiliate investments | Common Equity/ Equivalents    
Schedule of Investments [Line Items]    
Cost 50,327,000 [3] 49,412,000 [4]
Fair Value 42,023,000 [3] 39,091,000 [4]
Affiliate investments | Common Equity/ Equivalents | Personal and Non-Durable Consumer Products (Manufacturing Only)    
Schedule of Investments [Line Items]    
Cost 800,000 [3] 300,000 [4]
Fair Value 1,406,000 [3] 647,000 [4]
Control investments    
Schedule of Investments [Line Items]    
Cost 34,071,000 [5] 34,905,000 [6]
Fair Value 30,454,000 [5] 35,713,000 [6]
Control investments | Secured first lien debt | Personal and Non-Durable Consumer Products (Manufacturing Only)    
Schedule of Investments [Line Items]    
Cost 11,318,000 [5] 11,393,000 [6]
Fair Value 11,318,000 [5] 11,393,000 [6]
Control investments | Secured first lien debt | Printing and Publishing    
Schedule of Investments [Line Items]    
Cost 16,065,000 [5] 15,643,000 [6]
Fair Value 16,065,000 [5] 15,423,000 [6]
Control investments | Common Equity/ Equivalents    
Schedule of Investments [Line Items]    
Cost 7,831,000 [5] 8,752,000 [6]
Fair Value $ 5,823,000 [5] 6,938,000 [6]
Control investments | Common Equity/ Equivalents | Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Cost [6]   7,671,000
Fair Value [6]   $ 0
Investment, Identifier [Axis]: Leeds Novamark Capital I, L.P. – Limited Partnership Interest ($843 uncalled capital commitment    
Schedule of Investments [Line Items]    
Units 3.50% [7],[8],[9],[10],[11],[12] 3.50% [13],[14],[15],[16],[17]
Cost $ 0 [7],[8],[10],[11] $ 1,223,000 [14],[16],[17]
Fair Value $ 193,000 [7],[8],[10],[11] $ 6,397,000 [14],[16],[17]
Investment, Identifier [Axis]: Antenna Research Associates, Inc. – Common Equity Units    
Schedule of Investments [Line Items]    
Shares 4,283 [8],[9],[10],[12] 4,283 [13],[15],[16],[18]
Cost $ 4,283,000 [8],[10] $ 4,283,000 [16],[18]
Fair Value $ 15,814,000 [8],[10] $ 13,734,000 [16],[18]
Investment, Identifier [Axis]: Engineering Manufacturing Technologies, LLC – Common Stock    
Schedule of Investments [Line Items]    
Shares 6,000 [8],[9],[10],[12] 6,000 [13],[15],[16],[18]
Cost $ 3,000,000 [8],[10] $ 3,000,000 [16],[18]
Fair Value $ 0 [8],[10] $ 1,773,000 [16],[18]
Investment, Identifier [Axis]: NeoGraf Solutions LLC    
Schedule of Investments [Line Items]    
Shares [8],[9],[10],[12] 2,000,000  
Cost [8],[10] $ 2,000,000  
Fair Value [8],[10] $ 855,000  
Investment, Identifier [Axis]: OCI, LLC – Common Units    
Schedule of Investments [Line Items]    
Shares [8],[9],[10],[12] 306  
Cost [8],[10] $ 0  
Fair Value [8],[10] $ 0  
Investment, Identifier [Axis]: Ohio Armor Holdings, LLC – Common Equity    
Schedule of Investments [Line Items]    
Shares 100 [8],[9],[10],[12] 100 [13],[15],[16],[18]
Cost $ 1,000,000 [8],[10] $ 1,000,000 [16],[18]
Fair Value $ 543,000 [8],[10] $ 1,017,000 [16],[18]
Investment, Identifier [Axis]: WorkforceQA, LLC – Common Stock    
Schedule of Investments [Line Items]    
Shares 532 [8],[9],[10],[12] 500 [13],[15],[16],[18]
Cost $ 532,000 [8],[10] $ 500,000 [16],[18]
Fair Value 391,000 [8],[10] 456,000 [16],[18]
Investment, Identifier [Axis]: 8th Avenue Food & Provisions, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 3,683,000 [9],[12],[19] 3,682,000 [13],[15],[20]
Cost 3,683,000 [19] 3,698,000 [20]
Fair Value 2,431,000 [19] 3,020,000 [20]
Investment, Identifier [Axis]: ALS Education, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 0 [9],[12],[21] 0 [13],[15],[22]
Cost 0 [21] 0 [22]
Fair Value 0 [21] 0 [22]
Investment, Identifier [Axis]: ALS Education, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 19,030,000 [9],[12],[21] 19,690,000 [13],[15],[22]
Cost 19,030,000 [21] 19,690,000 [22]
Fair Value 18,982,000 [21] 19,468,000 [22]
Investment, Identifier [Axis]: Antenna Research Associates, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [8] 22,041,000 [9],[12] 21,973,000 [13],[15]
Cost [8] 22,041,000 21,973,000
Fair Value [8] $ 22,041,000 $ 21,973,000
Investment, Identifier [Axis]: Arc Drilling Holdings LLC – Common Stock    
Schedule of Investments [Line Items]    
Shares 15,000 [8],[9],[10],[12] 15,000 [13],[15],[16],[18]
Cost $ 1,500,000 [8],[10] $ 1,500,000 [16],[18]
Fair Value 106,000 [8],[10] 0 [16],[18]
Investment, Identifier [Axis]: Arc Drilling Holdings LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 0 [9],[12],[21] 0 [13],[15],[22]
Cost 0 [21] 0 [22]
Fair Value 0 [21] 0 [22]
Investment, Identifier [Axis]: Arc Drilling Holdings LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 5,835,000 [9],[12],[21] 5,625,000 [13],[15],[22]
Cost 5,835,000 [21] 5,625,000 [22]
Fair Value 5,522,000 [21] 5,350,000 [22]
Investment, Identifier [Axis]: Axios Industrial Group, LLC – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21] 3,000,000  
Cost [21] 3,000,000  
Fair Value [21] 2,948,000  
Investment, Identifier [Axis]: Axios Industrial Group, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [13],[15],[22],[23]   9,000,000
Cost [22],[23]   9,000,000
Fair Value [22],[23]   8,741,000
Investment, Identifier [Axis]: Axios Industrial Group, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21] 9,000,000  
Cost [21] 8,967,000  
Fair Value [21] $ 8,843,000  
Investment, Identifier [Axis]: Axios Industrial Group, LLC– Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount [13],[15],[22],[23]   3,000,000
Cost [22],[23]   3,000,000
Fair Value [22],[23]   $ 2,914,000
Investment, Identifier [Axis]: B+T Group Acquisition, Inc.(S) – Common Stock Warrant    
Schedule of Investments [Line Items]    
Units 1.50% [8],[9],[10],[12],[24] 1.50% [13],[15],[16],[18],[25]
Cost $ 0 [8],[10],[24] $ 0 [16],[18],[25]
Fair Value 0 [8],[10],[24] 25,000 [16],[18],[25]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc.(S) – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 1,200,000 [9],[12],[21],[24] 1,200,000 [13],[15],[22],[25]
Cost 1,200,000 [21],[24] 1,200,000 [22],[25]
Fair Value $ 996,000 [21],[24] $ 1,146,000 [22],[25]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc.(S) – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 6,130 [8],[9],[10],[12],[24] 6,130 [13],[15],[16],[18],[25]
Cost $ 2,024,000 [8],[10],[24] $ 2,024,000 [16],[18],[25]
Fair Value 0 [8],[10],[24] 2,718,000 [16],[18],[25]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc.(S) – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 6,000,000 [9],[12],[21],[24] 6,000,000 [13],[15],[22],[25]
Cost 6,000,000 [21],[24] 6,000,000 [22],[25]
Fair Value 4,980,000 [21],[24] 5,730,000 [22],[25]
Investment, Identifier [Axis]: CHA Holdings, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 3,000,000 [9],[12],[19],[26] 3,000,000 [13],[15],[20],[27]
Cost 2,973,000 [19],[26] 2,967,000 [20],[27]
Fair Value 2,760,000 [19],[26] 2,700,000 [20],[27]
Investment, Identifier [Axis]: CPM Holdings, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 798,000 [9],[12],[19] 798,000 [13],[15],[20]
Cost 798,000 [19] 798,000 [20]
Fair Value 792,000 [19] 758,000 [20]
Investment, Identifier [Axis]: Café Zupas – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount 3,970,000 [9],[12],[21] 1,970,000 [13],[15],[22]
Cost 3,970,000 [21] 1,970,000 [22]
Fair Value 3,891,000 [21] 1,958,000 [22]
Investment, Identifier [Axis]: Café Zupas – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21] 0  
Cost [21] 0  
Fair Value [21] 0  
Investment, Identifier [Axis]: Café Zupas – Line of Credit,    
Schedule of Investments [Line Items]    
Principal amount [13],[15],[22]   0
Cost [22]   0
Fair Value [22]   0
Investment, Identifier [Axis]: Café Zupas – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 23,460,000 [9],[12],[21] 23,460,000 [13],[15],[22]
Cost 23,460,000 [21] 23,460,000 [22]
Fair Value $ 22,991,000 [21] $ 23,313,000 [22]
Investment, Identifier [Axis]: Canopy Safety Brands, LLC – Common Stock    
Schedule of Investments [Line Items]    
Shares 1,170,370 [8],[9],[10],[12] 800,000 [13],[15],[16],[18]
Cost $ 800,000 [8],[10] $ 300,000 [16],[18]
Fair Value $ 1,406,000 [8],[10] $ 647,000 [16],[18]
Investment, Identifier [Axis]: Canopy Safety Brands, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 500,000 [8],[9],[10],[12] 500,000 [13],[15],[16],[18]
Cost $ 500,000 [8],[10] $ 500,000 [16],[18]
Fair Value 846,000 [8],[10] 798,000 [16],[18]
Investment, Identifier [Axis]: Chinese Yellow Pages Company – Line of Credit,    
Schedule of Investments [Line Items]    
Principal amount [13],[15],[18],[28],[29]   107,000
Cost [18],[28],[29]   107,000
Fair Value [18],[28],[29]   $ 0
Investment, Identifier [Axis]: Circuitronics EMS Holdings LLC – Common Units    
Schedule of Investments [Line Items]    
Shares [13],[15],[16],[18]   921,000
Cost [16],[18]   $ 921,000
Fair Value [16],[18]   0
Investment, Identifier [Axis]: DKI Ventures, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 5,915,000 [9],[12],[21] 5,915,000 [13],[15],[22]
Cost 5,915,000 [21] 5,915,000 [22]
Fair Value $ 3,549,000 [21] $ 4,554,000 [22]
Investment, Identifier [Axis]: Defiance Integrated Technologies, Inc. – Common Stock    
Schedule of Investments [Line Items]    
Shares 33,321 [8],[9],[10],[12] 33,321 [13],[15],[16],[18]
Cost $ 580,000 [8],[10] $ 580,000 [16],[18]
Fair Value 2,639,000 [8],[10] 1,147,000 [16],[18]
Investment, Identifier [Axis]: Defiance Integrated Technologies, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 7,425,000 [8],[9],[12] 7,665,000 [13],[15],[18]
Cost 7,425,000 [8] 7,665,000 [18]
Fair Value 7,425,000 [8] 7,665,000 [18]
Investment, Identifier [Axis]: ENET Holdings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [13],[15],[22]   24,360,000
Cost [22]   24,360,000
Fair Value [22]   23,142,000
Investment, Identifier [Axis]: ENET Holdings, LLC – Term Debt 2    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21] 22,289,000  
Cost [21] 22,289,000  
Fair Value [21] 21,453,000  
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. (S) – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 6,140,000 [9],[12],[21],[24],[30] 6,140,000 [13],[15],[18],[25]
Cost 6,140,000 [21],[24],[30] 6,140,000 [18],[25]
Fair Value $ 2,752,000 [21],[24],[30] $ 2,550,000 [18],[25]
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc.(S) – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 5,466 [8],[9],[10],[12],[24] 5,466 [13],[15],[16],[18],[25]
Cost $ 5,466,000 [8],[10],[24] $ 5,466,000 [16],[18],[25]
Fair Value 0 [8],[10],[24] 0 [16],[18],[25]
Investment, Identifier [Axis]: Eegee’s LLC – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount 3,000,000 [9],[12],[21] 3,000,000 [13],[15],[22]
Cost 3,000,000 [21] 3,000,000 [22]
Fair Value 2,873,000 [21] 2,910,000 [22]
Investment, Identifier [Axis]: Eegee’s LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 0 [9],[12],[21] 0 [13],[15],[22]
Cost 0 [21] 0 [22]
Fair Value 0 [21] 0 [22]
Investment, Identifier [Axis]: Eegee’s LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21] 17,000,000  
Cost [21] 17,000,000  
Fair Value [21] 16,278,000  
Investment, Identifier [Axis]: Eegee’s LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [13],[15],[22]   17,000,000
Cost [22]   17,000,000
Fair Value [22]   16,490,000
Investment, Identifier [Axis]: Encore Dredging Holdings, LLC – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount 5,081,000 [9],[12],[21] 5,023,000 [13],[15],[22]
Cost 5,081,000 [21] 5,023,000 [22]
Fair Value 4,954,000 [21] 4,885,000 [22]
Investment, Identifier [Axis]: Encore Dredging Holdings, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 0 [9],[12],[21] 0 [13],[15],[22]
Cost 0 [21] 0 [22]
Fair Value $ 0 [21] $ 0 [22]
Investment, Identifier [Axis]: Encore Dredging Holdings, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 3,840,000 [8],[9],[10],[12] 3,840,000 [13],[15],[16],[18],[25]
Cost $ 3,840,000 [8],[10] $ 3,840,000 [16],[18],[25]
Fair Value 4,278,000 [8],[10] 2,842,000 [16],[18],[25]
Investment, Identifier [Axis]: Encore Dredging Holdings, LLC – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount 23,881,000 [9],[12],[21] 23,611,000 [13],[15],[22]
Cost 23,881,000 [21] 23,611,000 [22]
Fair Value 23,284,000 [21] 22,962,000 [22]
Investment, Identifier [Axis]: Encore Dredging Holdings, LLC – Term Debt 2    
Schedule of Investments [Line Items]    
Principal amount 4,619,000 [9],[12],[21] 4,532,000 [13],[15],[22]
Cost 4,619,000 [21] 4,532,000 [22]
Fair Value 4,503,000 [21] 4,407,000 [22]
Investment, Identifier [Axis]: Engineering Manufacturing Technologies, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 0 [9],[12],[21] 0 [13],[15],[22]
Cost 0 [21] 0 [22]
Fair Value 0 [21] 0 [22]
Investment, Identifier [Axis]: Engineering Manufacturing Technologies, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [13],[15],[22]   22,500,000
Cost [22]   22,500,000
Fair Value [22]   $ 22,134,000
Investment, Identifier [Axis]: Engineering Manufacturing Technologies, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21] 21,500,000  
Cost [21] 21,500,000  
Fair Value [21] $ 20,317,000  
Investment, Identifier [Axis]: FES Resources Holdings LLC – Common Equity Units    
Schedule of Investments [Line Items]    
Shares 6,233 [8],[9],[10],[12] 6,233 [13],[15],[16],[18]
Cost $ 0 [8],[10] $ 0 [16],[18]
Fair Value $ 0 [8],[10] $ 0 [16],[18]
Investment, Identifier [Axis]: FES Resources Holdings LLC – Preferred Equity Units    
Schedule of Investments [Line Items]    
Shares 6,350 [8],[9],[10],[12] 6,350 [13],[15],[16],[18]
Cost $ 6,350,000 [8],[10] $ 6,350,000 [16],[18]
Fair Value 3,619,000 [8],[10] 0 [16],[18]
Investment, Identifier [Axis]: Fix-It Group, LLC – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount 6,911,000 [9],[12],[21] 0 [13],[15],[22],[27]
Cost 6,911,000 [21] 0 [22],[27]
Fair Value 6,911,000 [21] 0 [22],[27]
Investment, Identifier [Axis]: Fix-It Group, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 1,000,000 [9],[12],[21] 0 [13],[15],[22],[27]
Cost 1,000,000 [21] 0 [22],[27]
Fair Value 1,000,000 [21] 0 [22],[27]
Investment, Identifier [Axis]: Fix-It Group, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 12,200,000 [9],[12],[21] 10,000,000 [13],[15],[22],[27]
Cost 12,200,000 [21] 10,000,000 [22],[27]
Fair Value 12,200,000 [21] 9,950,000 [22],[27]
Investment, Identifier [Axis]: Frontier Financial Group Inc. – Convertible Debt    
Schedule of Investments [Line Items]    
Principal amount 198,000 [8],[9],[12],[31] 198,000 [13],[15],[18],[32]
Cost 198,000 [8],[31] 198,000 [18],[32]
Fair Value $ 32,000 [8],[31] $ 55,000 [18],[32]
Investment, Identifier [Axis]: Frontier Financial Group Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 766 [8],[9],[10],[12] 766 [13],[15],[16],[18]
Cost $ 500,000 [8],[10] $ 500,000 [16],[18]
Fair Value $ 0 [8],[10] $ 0 [16],[18]
Investment, Identifier [Axis]: Frontier Financial Group Inc. – Preferred Stock Warrant    
Schedule of Investments [Line Items]    
Shares 168 [8],[9],[10],[12] 168 [13],[15],[16],[18]
Cost $ 0 [8],[10] $ 0 [16],[18]
Fair Value $ 0 [8],[10] $ 0 [16],[18]
Investment, Identifier [Axis]: Funko Acquisition Holdings, LLC(S) – Common Units    
Schedule of Investments [Line Items]    
Shares 4,239 [9],[10],[12],[24],[33] 4,239 [13],[15],[16],[25],[34]
Cost $ 22,000 [10],[24],[33] $ 22,000 [16],[25],[34]
Fair Value $ 31,000 [10],[24],[33] $ 58,000 [16],[25],[34]
Investment, Identifier [Axis]: GFRC 360, LLC – Common Stock Warrants    
Schedule of Investments [Line Items]    
Units 45.00% [8],[9],[10],[12] 45.00% [13],[15],[16],[18]
Cost $ 0 [8],[10] $ 0 [16],[18]
Fair Value 0 [8],[10] 0 [16],[18]
Investment, Identifier [Axis]: GFRC 360, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 1,150,000 [9],[12],[21] 700,000 [13],[15],[22]
Cost 1,150,000 [21] 700,000 [22]
Fair Value $ 1,076,000 [21] $ 681,000 [22]
Investment, Identifier [Axis]: GFRC 360, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 1,000 [8],[9],[10],[12] 1,000 [13],[15],[16],[18]
Cost $ 1,025,000 [8],[10] $ 1,025,000 [16],[18]
Fair Value 263,000 [8],[10] 551,000 [16],[18]
Investment, Identifier [Axis]: GFRC 360, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 1,000,000 [9],[12],[21] 1,000,000 [13],[15],[22]
Cost 1,000,000 [21] 1,000,000 [22]
Fair Value $ 936,000 [21] $ 973,000 [22]
Investment, Identifier [Axis]: GSM MidCo LLC – Common Stock    
Schedule of Investments [Line Items]    
Shares 767 [8],[9],[10],[12] 767 [13],[15],[16],[18]
Cost $ 767,000 [8],[10] $ 767,000 [16],[18]
Fair Value 1,118,000 [8],[10] 1,359,000 [16],[18]
Investment, Identifier [Axis]: Giving Home Health Care, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 28,800,000 [9],[12],[21],[31] 28,800,000 [13],[15],[22],[32]
Cost 28,800,000 [21],[31] 28,800,000 [22],[32]
Fair Value $ 28,728,000 [21],[31] $ 28,800,000 [22],[32]
Investment, Identifier [Axis]: Giving Home Health Care, LLC – Warrant    
Schedule of Investments [Line Items]    
Shares 10,667 [8],[9],[10],[12] 10,667 [13],[15],[16],[18]
Cost $ 19,000 [8],[10] $ 19,000 [16],[18]
Fair Value 2,415,000 [8],[10] 19,000 [16],[18]
Investment, Identifier [Axis]: Gray Matter Systems, LLC – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount [13],[15],[22],[32]   2,500,000
Cost [22],[32]   2,476,000
Fair Value [22],[32]   2,481,000
Investment, Identifier [Axis]: Gray Matter Systems, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 8,600,000 [9],[12],[21],[31] 2,100,000 [13],[15],[22],[32]
Cost 8,553,000 [21],[31] 2,069,000 [22],[32]
Fair Value 8,589,000 [21],[31] 2,084,000 [22],[32]
Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount [13],[15],[22],[27]   10,000,000
Cost [22],[27]   10,000,000
Fair Value [22],[27]   9,925,000
Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 624,000 [9],[12],[21],[26] 1,500,000 [13],[15],[22],[27]
Cost 624,000 [21],[26] 1,500,000 [22],[27]
Fair Value $ 624,000 [21],[26] $ 1,489,000 [22],[27]
Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 1,329,054 [8],[9],[10],[12] 854,848 [13],[15],[16],[18]
Cost $ 2,251,000 [8],[10] $ 956,000 [16],[18]
Fair Value 4,213,000 [8],[10] 945,000 [16],[18]
Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount 16,013,000 [9],[12],[21],[26] 16,000,000 [13],[15],[22],[27]
Cost 16,013,000 [21],[26] 16,000,000 [22],[27]
Fair Value 16,013,000 [21],[26] 15,880,000 [22],[27]
Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Term Debt 2    
Schedule of Investments [Line Items]    
Principal amount 3,225,000 [9],[12],[21],[26] 8,000,000 [13],[15],[22],[27]
Cost 3,225,000 [21],[26] 8,000,000 [22],[27]
Fair Value $ 3,225,000 [21],[26] $ 7,940,000 [22],[27]
Investment, Identifier [Axis]: Imperative Holdings Corporation – Preferred Equity Units    
Schedule of Investments [Line Items]    
Shares 972,569 [8],[9],[10],[12] 1,474,225 [13],[15],[16],[18]
Cost $ 488,000 [8],[10] $ 632,000 [16],[18]
Fair Value 1,656,000 [8],[10] 2,028,000 [16],[18]
Investment, Identifier [Axis]: Imperative Holdings Corporation – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 21,765,000 [9],[12],[21] 24,016,000 [13],[15],[22]
Cost 21,611,000 [21] 23,968,000 [22]
Fair Value 21,493,000 [21] 23,295,000 [22]
Investment, Identifier [Axis]: LWO Acquisitions Company LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [13],[15],[18],[35]   95,000
Cost [18],[35]   95,000
Fair Value [18],[35]   $ 0
Investment, Identifier [Axis]: Leadpoint Business Services, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21] 13,500,000  
Cost [21] 13,500,000  
Fair Value [21] 13,365,000  
Investment, Identifier [Axis]: Lonestar EMS, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [8],[9],[12],[31] 3,847,000  
Cost [8],[31] 3,847,000  
Fair Value [8],[31] $ 3,847,000  
Investment, Identifier [Axis]: Lonestar EMS, LLC – Common Units    
Schedule of Investments [Line Items]    
Units 100.00% [8],[9],[10],[12] 100.00% [13],[15],[16],[18]
Cost $ 6,750,000 [8],[10] $ 6,750,000 [16],[18]
Fair Value $ 0 [8],[10] 0 [16],[18]
Investment, Identifier [Axis]: Lonestar EMS, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [13],[15],[18],[32]   3,250,000
Cost [18],[32]   3,250,000
Fair Value [18],[32]   3,030,000
Investment, Identifier [Axis]: MCG Energy Solutions, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [13],[15],[22]   0
Cost [22]   0
Fair Value [22]   $ 0
Investment, Identifier [Axis]: MCG Energy Solutions, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 7,000,000 [8],[9],[12] 7,000,000 [13],[15],[18]
Cost $ 7,000,000 [8] $ 7,000,000 [18]
Fair Value 8,904,000 [8] 8,151,000 [18]
Investment, Identifier [Axis]: MCG Energy Solutions, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 20,111,000 [9],[12],[21] 20,820,000 [13],[15],[22]
Cost 20,068,000 [21] 20,820,000 [22]
Fair Value 18,226,000 [21] $ 19,779,000 [22]
Investment, Identifier [Axis]: NeoGraf Solutions LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21] 0  
Cost [21] 0  
Fair Value [21] 0  
Investment, Identifier [Axis]: NeoGraf Solutions LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21] 27,070,000  
Cost [21] 27,070,000  
Fair Value [21] 26,258,000  
Investment, Identifier [Axis]: NetFortris Corp. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares [13],[15],[16],[18]   7,890,860
Cost [16],[18]   $ 789,000
Fair Value [16],[18]   469,000
Investment, Identifier [Axis]: OCI, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21] 20,000,000  
Cost [21] 20,000,000  
Fair Value [21] 20,000,000  
Investment, Identifier [Axis]: OCI, LLC – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21],[31] 2,000,000  
Cost [21],[31] 2,000,000  
Fair Value [21],[31] 2,000,000  
Investment, Identifier [Axis]: Ohio Armor Holdings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 18,031,000 [9],[12],[21] 18,913,000 [13],[15],[22]
Cost 18,013,000 [21] 18,913,000 [22]
Fair Value $ 17,670,000 [21] $ 18,558,000 [22]
Investment, Identifier [Axis]: PIC 360, LLC – Common Equity Units    
Schedule of Investments [Line Items]    
Shares 750 [8],[9],[10],[12] 750 [13],[15],[16],[18]
Cost $ 1,000 [8],[10] $ 1,000 [16],[18]
Fair Value 256,000 [8],[10] 3,454,000 [16],[18]
Investment, Identifier [Axis]: Pansophic Learning, Ltd. – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount 28,000,000 [9],[12],[21] 28,000,000 [13],[15],[22]
Cost 27,966,000 [21] 27,961,000 [22]
Fair Value 28,000,000 [21] 27,825,000 [22]
Investment, Identifier [Axis]: Pansophic Learning, Ltd. – Term Debt 2    
Schedule of Investments [Line Items]    
Principal amount 5,000,000 [9],[12],[21] 5,000,000 [13],[15],[22]
Cost 4,994,000 [21] 4,993,000 [22]
Fair Value $ 5,000,000 [21] 4,969,000 [22]
Investment, Identifier [Axis]: R2i Holdings, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [13],[15],[32],[36]   829,000
Cost [32],[36]   829,000
Fair Value [32],[36]   829,000
Investment, Identifier [Axis]: R2i Holdings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [13],[15],[32],[36]   18,000,000
Cost [32],[36]   18,000,000
Fair Value [32],[36]   18,000,000
Investment, Identifier [Axis]: Salt & Straw, LLC    
Schedule of Investments [Line Items]    
Units [8],[9],[10],[12] 0.40%  
Cost [8],[10] $ 0  
Fair Value [8],[10] 0  
Investment, Identifier [Axis]: Salt & Straw, LLC – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount 8,500,000 [9],[12],[21] 0 [13],[15],[22]
Cost 8,430,000 [21] 0 [22]
Fair Value 8,118,000 [21] 0 [22]
Investment, Identifier [Axis]: Salt & Straw, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 1,940,000 [9],[12],[21] 800,000 [13],[15],[22]
Cost 1,940,000 [21] 800,000 [22]
Fair Value $ 1,853,000 [21] $ 800,000 [22]
Investment, Identifier [Axis]: Salvo Technologies, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 2,500 [8],[9],[10],[12] 2,500 [13],[15],[16],[18]
Cost $ 2,500,000 [8],[10] $ 2,500,000 [16],[18]
Fair Value 2,011,000 [8],[10] 2,584,000 [16],[18]
Investment, Identifier [Axis]: Salvo Technologies, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [13],[15],[22],[23]   11,887,000
Cost [22],[23]   11,887,000
Fair Value [22],[23]   $ 11,619,000
Investment, Identifier [Axis]: Salvo Technologies, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21] 11,797,000  
Cost [21] 11,797,000  
Fair Value [21] $ 10,971,000  
Investment, Identifier [Axis]: Sea Link International IRB, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 98,039 [8],[9],[10],[12] 98,039 [13],[15],[16],[18]
Cost $ 98,000 [8],[10] $ 98,000 [16],[18]
Fair Value 175,000 [8],[10] 153,000 [16],[18]
Investment, Identifier [Axis]: Sea Link International IRB, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 12,021,000 [9],[12],[21],[31] 11,719,000 [13],[15],[22],[32]
Cost 11,989,000 [21],[31] 11,679,000 [22],[32]
Fair Value $ 11,630,000 [21],[31] $ 11,074,000 [22],[32]
Investment, Identifier [Axis]: Sea Link International IRB, Inc.– Common Equity Units    
Schedule of Investments [Line Items]    
Shares 823,333 [8],[9],[10],[12] 823,333 [13],[15],[16],[18]
Cost $ 823,000 [8],[10] $ 823,000 [16],[18]
Fair Value $ 322,000 [8],[10] $ 105,000 [16],[18]
Investment, Identifier [Axis]: Sokol & Company Holdings, LLC – Common Stock    
Schedule of Investments [Line Items]    
Shares 1,500,000 [8],[9],[10],[12] 1,500,000 [13],[15],[16],[18]
Cost $ 1,500,000 [8],[10] $ 1,500,000 [16],[18]
Fair Value 1,581,000 [8],[10] 1,500,000 [16],[18]
Investment, Identifier [Axis]: Sokol & Company Holdings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [13],[15],[22],[23]   13,500,000
Cost [22],[23]   13,500,000
Fair Value [22],[23]   13,500,000
Investment, Identifier [Axis]: Sokol & Company Holdings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21] 13,500,000  
Cost [21] 13,500,000  
Fair Value [21] 13,179,000  
Investment, Identifier [Axis]: SpaceCo Holdings, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 1,900,000 [9],[12],[21],[26] 1,900,000 [13],[15],[22],[27]
Cost 1,900,000 [21],[26] 1,900,000 [22],[27]
Fair Value 1,869,000 [21],[26] 1,886,000 [22],[27]
Investment, Identifier [Axis]: SpaceCo Holdings, LLC – Term Deb    
Schedule of Investments [Line Items]    
Principal amount [13],[15],[22],[27]   31,719,000
Cost [22],[27]   31,326,000
Fair Value [22],[27]   31,481,000
Investment, Identifier [Axis]: SpaceCo Holdings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21],[26] 30,491,000  
Cost [21],[26] 30,136,000  
Fair Value [21],[26] 29,995,000  
Investment, Identifier [Axis]: Springfield, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 30,000,000 [9],[12],[21] 30,000,000 [13],[15],[22]
Cost 30,000,000 [21] 30,000,000 [22]
Fair Value $ 29,888,000 [21] $ 29,738,000 [22]
Investment, Identifier [Axis]: TNCP Intermediate HoldCo, LLC – Common Equity Units    
Schedule of Investments [Line Items]    
Shares 790,000 [8],[9],[10],[12] 790,000 [13],[15],[16],[18]
Cost $ 500,000 [8],[10] $ 500,000 [16],[18]
Fair Value 2,928,000 [8],[10] 2,337,000 [16],[18]
Investment, Identifier [Axis]: TNCP Intermediate HoldCo, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 900,000 [8],[9],[12],[31] 1,000,000 [13],[15],[18],[32]
Cost 900,000 [8],[31] 1,000,000 [18],[32]
Fair Value 900,000 [8],[31] 1,000,000 [18],[32]
Investment, Identifier [Axis]: Tailwind Smith Cooper Intermediate Corporation – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 5,000,000 [9],[12],[19] 5,000,000 [13],[15],[20]
Cost 4,849,000 [19] 4,829,000 [20]
Fair Value $ 4,300,000 [19] $ 4,313,000 [20]
Investment, Identifier [Axis]: Targus Cayman HoldCo, Ltd. – Common Stock    
Schedule of Investments [Line Items]    
Shares [13],[15],[16],[36],[37]   3,076,414
Cost [16],[36],[37]   $ 2,062,000
Fair Value [16],[36],[37]   $ 7,978,000
Investment, Identifier [Axis]: Technical Resource Management, LLC – Common Stock    
Schedule of Investments [Line Items]    
Shares [8],[9],[10],[12] 2,000,000  
Cost [8],[10] $ 2,000,000  
Fair Value [8],[10] 2,000,000  
Investment, Identifier [Axis]: Technical Resource Management, LLC – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21] 0  
Cost [21] 0  
Fair Value [21] 0  
Investment, Identifier [Axis]: Technical Resource Management, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21] 0  
Cost [21] 0  
Fair Value [21] 0  
Investment, Identifier [Axis]: Technical Resource Management, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21] 23,000,000  
Cost [21] 23,000,000  
Fair Value [21] $ 23,000,000  
Investment, Identifier [Axis]: Total Safety Holdings, LLC – Common Equity    
Schedule of Investments [Line Items]    
Shares 435 [8],[9],[10],[12] 435 [13],[15],[16],[18]
Cost $ 499,000 [8],[10] $ 499,000 [16],[18]
Fair Value $ 119,000 [8],[10] $ 50,000 [16],[18]
Investment, Identifier [Axis]: Triple H Food Processors, LLC – Common Stock    
Schedule of Investments [Line Items]    
Shares 250,000 [8],[9],[10],[12] 250,000 [13],[15],[16],[18]
Cost $ 250,000 [8],[10] $ 250,000 [16],[18]
Fair Value $ 1,311,000 [8],[10] $ 672,000 [16],[18]
Investment, Identifier [Axis]: Triple H Food Processors, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 75 [8],[9],[10],[12] 75 [13],[15],[16],[18]
Cost $ 75,000 [8],[10] $ 75,000 [16],[18]
Fair Value 135,000 [8],[10] 120,000 [16],[18]
Investment, Identifier [Axis]: Trowbridge Chicago, LLC – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21] 0  
Cost [21] 0  
Fair Value [21] 0  
Investment, Identifier [Axis]: Trowbridge Chicago, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21] 0  
Cost [21] 0  
Fair Value [21] $ 0  
Investment, Identifier [Axis]: Trowbridge Chicago, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Shares [8],[9],[10],[12] 242,105  
Cost [8],[10] $ 750,000  
Fair Value [8],[10] 750,000  
Investment, Identifier [Axis]: Trowbridge Chicago, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21] 5,750,000  
Cost [21] 5,750,000  
Fair Value [21] 5,750,000  
Investment, Identifier [Axis]: Turn Key Health Clinics, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 500,000 [9],[12],[21] 500,000 [13],[15],[22]
Cost 500,000 [21] 500,000 [22]
Fair Value 500,000 [21] 495,000 [22]
Investment, Identifier [Axis]: Turn Key Health Clinics, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 11,000,000 [9],[12],[21] 11,000,000 [13],[15],[22]
Cost 11,000,000 [21] 11,000,000 [22]
Fair Value 11,000,000 [21] 10,890,000 [22]
Investment, Identifier [Axis]: Unirac Holdings, Inc. – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount [13],[15],[22],[23]   0
Cost [22],[23]   0
Fair Value [22],[23]   0
Investment, Identifier [Axis]: Unirac Holdings, Inc. – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [13],[15],[22],[23]   0
Cost [22],[23]   0
Fair Value [22],[23]   0
Investment, Identifier [Axis]: Unirac Holdings, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [13],[15],[22],[23]   15,000,000
Cost [22],[23]   14,628,000
Fair Value [22],[23]   15,000,000
Investment, Identifier [Axis]: Unirac, Inc. – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21] 1,108,000  
Cost [21] 1,108,000  
Fair Value [21] 1,110,000  
Investment, Identifier [Axis]: Unirac, Inc. – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21] 1,200,000  
Cost [21] 1,200,000  
Fair Value [21] 1,201,000  
Investment, Identifier [Axis]: Unirac, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21] 14,888,000  
Cost [21] 14,561,000  
Fair Value [21] 14,906,000  
Investment, Identifier [Axis]: Viva Railings, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 0 [9],[12],[21] 0 [13],[15],[22]
Cost 0 [21] 0 [22]
Fair Value 0 [21] 0 [22]
Investment, Identifier [Axis]: Viva Railings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21] 20,747,000  
Cost [21] 20,747,000  
Fair Value [21] $ 20,488,000  
Investment, Identifier [Axis]: Viva Railings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [13],[15],[22]   21,800,000
Cost [22]   21,800,000
Fair Value [22]   $ 21,364,000
Investment, Identifier [Axis]: WB Xcel Holdings, LLC    
Schedule of Investments [Line Items]    
Shares 333 [8],[9],[10],[12] 333 [13],[15],[16],[18]
Cost $ 2,750,000 [8],[10] $ 2,750,000 [16],[18]
Fair Value 1,141,000 [8],[10] 5,687,000 [16],[18]
Investment, Identifier [Axis]: WB Xcel Holdings, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 1,468,000 [8],[9],[12] 1,468,000 [13],[15],[18]
Cost 1,468,000 [8] 1,468,000 [18]
Fair Value 1,468,000 [8] 1,468,000 [18]
Investment, Identifier [Axis]: WB Xcel Holdings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 9,850,000 [8],[9],[12] 9,925,000 [13],[15],[18]
Cost 9,850,000 [8] 9,925,000 [18]
Fair Value 9,850,000 [8] 9,925,000 [18]
Investment, Identifier [Axis]: WorkforceQA, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21] 0  
Cost [21] 0  
Fair Value [21] 0  
Investment, Identifier [Axis]: WorkforceQA, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [13],[15],[22],[27],[38]   10,000,000
Cost [22],[27],[38]   10,000,000
Fair Value [22],[27],[38]   9,975,000
Investment, Identifier [Axis]: WorkforceQA, LLC – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21],[39] 10,000,000  
Cost [21],[39] 9,969,000  
Fair Value [21],[39] 9,975,000  
Investment, Identifier [Axis]: WorkforceQA, LLC – Term Debt 2    
Schedule of Investments [Line Items]    
Principal amount [9],[12],[21],[39] 1,600,000  
Cost [21],[39] 1,595,000  
Fair Value [21],[39] $ 1,596,000  
Investment, Identifier [Axis]: WorkforceQA, LLC– Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [13],[15],[22],[27]   0
Cost [22],[27]   0
Fair Value [22],[27]   $ 0
[1] 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.
[2] 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.
[3] 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.
[4] 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.
[5] 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.
[6] 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.
[7] Fair value was based on net asset value provided by the fund as a practical expedient.
[8] 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.
[9] 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.
[10] Security is non-income producing.
[11] 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.
[12] 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.
[13] 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.
[14] Fair value was based on net asset value provided by the fund as a practical expedient.
[15] 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.
[16] Security is non-income producing.
[17] 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.
[18] 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.
[19] Fair value was based on the indicative bid price on or near June 30, 2023, offered by the respective syndication agent’s trading desk.
[20] Fair value was based on the indicative bid price on or near September 30, 2022, offered by the respective syndication agent’s trading desk.
[21] Fair value was based on an internal yield analysis or on estimates of value submitted by ICE Data Pricing and Reference Data, LLC (“ICE”).
[22] Fair value was based on an internal yield analysis or on estimates of value submitted by ICE Data Pricing and Reference Data, LLC (“ICE”).
[23] The cash interest rate on this investment was indexed to the 30-day SOFR, which was 3.04% as of September 30, 2022.
[24] 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.
[25] 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.
[26] The cash interest rate on this investment was indexed to 90-day SOFR, which was 5.27% as of June 30, 2023.(V)The cash interest rate on this investment was indexed to 30-day LIBOR, which was 5.22% as of June 30, 2023 and transitioned to one month SOFR on July 3, 2023.
[27] The cash interest rate on this investment was indexed to 90-day LIBOR, which was 3.75% as of September 30, 2022.
[28] Investment maturity date has passed. Investment continues to make applicable interest payments.
[29] 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.
[30] Debt security is on non-accrual status.
[31] Debt security has a fixed interest rate.
[32] Debt security has a fixed interest rate.
[33] 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.
[34] Our investment in Funko was valued using Level 2 inputs within the Financial Accounting Standards Board (“FASB”) Accounting Standard Codification (“ASC”) Topic 820, “Fair Value Measurements and Disclosures" (“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.
[35] Debt security does not have a stated interest rate that is payable thereon.
[36] Fair value was based on the expected exit or payoff amount, where such event has occurred or is expected to occur imminently.
[37] Investment was exited subsequent to September 30, 2022.
[38] 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.
[39] 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.