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CONSOLIDATED SCHEDULE OF INVESTMENTS (Parenthetical) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2023 | Mar. 31, 2023
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 192.50% | [1],[2],[3],[4] | 171.40% | [5],[6],[7],[8],[9]
Investments owned, fair value |  | $ 915,636 |  | $ 753,543 | [9]
Percentage threshold of qualified assets representing total assets in order to acquire non-qualified assets |  | 70.00% |  | 70.00% |
Investment, interest rate, paid in cash |  | 5.30% |  | 4.90% |
Cumulative net unrealized appreciation |  |  |  | $ 150,400 |
Cumulative gross unrealized depreciation |  |  |  | 119,300 |
Cumulative gross unrealized appreciation for federal income tax purposes |  |  |  | 31,100 |
Based on a tax cost |  |  |  | $ 722,400 |
Funko Acquisition Holdings, LLC |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Percentage of acquired non-qualifying assets of total assets |  | 0.10% |  | 0.10% |
Collateral Pledged |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 774,900 |  | $ 639,500 |
Buildings and Real Estate |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | 58,696 |  | 60,571 |
Diversified/Conglomerate Services |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | 332,982 |  | 268,954 |
Healthcare, Education, and Childcare |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | 48,008 |  | 37,445 |
Home and Office Furnishings, Housewares, and Durable Consumer Products |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | 153,495 |  | 143,685 |
Hotels, Motels, Inns, and Gaming |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | 80,976 |  | 58,713 |
Leisure, Amusement, Motion Pictures, and Entertainment |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | 38,509 |  | 47,616 |
Oil and Gas |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | 45,983 |  | 0 |
Printing and Publishing |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | 15,275 |  | 0 |
Aerospace and Defense |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | 25,696 |  | 22,215 |
Cargo Transport |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | 14,157 |  | 14,707 |
Machinery (Non-Agriculture, Non-Construction, and Non-Electronic) |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | 26,705 |  | 20,088 |
Mining, Steel, Iron and Non-Precious Metals |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | 27,490 |  | 25,998 |
Telecommunications |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | 13,692 |  | 18,987 |
Chemicals, Plastics, and Rubber |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | 23,657 |  | 24,891 |
Secured First Lien Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | 508,504 |  | 437,517 |
Secured Second Lien Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | 102,747 |  | 75,734 |
Preferred Equity |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | 267,596 |  | 222,585 |
Common Equity/ Equivalents |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | 36,789 |  | 17,707 |
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Common Stock Warrants |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 0 | [10],[11],[12] | $ 0 | [13],[14],[15]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Line of Credit |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread |  | 2.00% | [1],[2],[3],[4],[10],[16] | 11.00% | [5],[6],[7],[8],[13],[14]
Investment interest rate |  | 7.30% | [1],[2],[3],[4],[10],[16] | 15.90% | [5],[6],[7],[8],[13],[14]
Line of credit facility, available |  | $ 0 | [1],[2],[3],[4],[10],[16] | $ 0 | [5],[6],[7],[8],[13],[14]
Investments owned, fair value |  | $ 2,282 | [10],[16] | 2,800 | [13],[14]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Preferred Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value | [13],[14],[15] |  |  | $ 2,187 |
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [5],[6],[7],[8],[13],[14] |  |  | 11.00% |
Investment interest rate | [5],[6],[7],[8],[13],[14] |  |  | 15.90% |
Investments owned, fair value | [13],[14] |  |  | $ 14,000 |
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Term Debt 1 |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [1],[2],[3],[4],[10],[16] | 2.00% |  |  |
Investment interest rate | [1],[2],[3],[4],[10],[16] | 7.30% |  |  |
Investments owned, fair value | [10],[16] | $ 11,410 |  |  |
Investment, Identifier [Axis]: B+T Group Acquisition, Inc.– Preferred Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value | [10],[11],[12] | 0 |  |  |
Investment, Identifier [Axis]: Brunswick Bowling Products, Inc. – Preferred Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 42,280 | [11],[12] | $ 33,969 | [13],[15]
Investment, Identifier [Axis]: Brunswick Bowling Products, Inc. – Term Debt 1 |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread |  | 10.00% | [1],[2],[3],[4],[11] | 10.00% | [5],[6],[7],[8],[13]
Investment interest rate |  | 15.30% | [1],[2],[3],[4],[11] | 14.90% | [5],[6],[7],[8],[13]
Investments owned, fair value |  | $ 17,700 | [11] | $ 17,700 | [13]
Investment, Identifier [Axis]: Brunswick Bowling Products, Inc. – Term Debt 2 |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread |  | 10.00% | [1],[2],[3],[4],[11] | 10.00% | [5],[6],[7],[8],[13]
Investment interest rate |  | 15.30% | [1],[2],[3],[4],[11] | 14.90% | [5],[6],[7],[8],[13]
Investments owned, fair value |  | $ 6,850 | [11] | $ 6,850 | [13]
Investment, Identifier [Axis]: Counsel Press, Inc. – Preferred Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 49,223 | [12],[17] | $ 27,885 | [13],[15]
Investment, Identifier [Axis]: Counsel Press, Inc. – Term Debt 1 |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread |  | 11.80% | [1],[2],[3],[4],[17] | 11.80% | [5],[6],[7],[8],[13]
Investment interest rate |  | 17.10% | [1],[2],[3],[4],[17] | 16.60% | [5],[6],[7],[8],[13]
Investments owned, fair value |  | $ 22,114 | [17] | $ 21,100 | [13]
Investment, Identifier [Axis]: Counsel Press, Inc. – Term Debt 2 |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread |  | 13.00% | [1],[2],[3],[4],[17] | 13.00% | [5],[6],[7],[8],[13]
Investment interest rate |  | 18.30% | [1],[2],[3],[4],[17] | 17.90% | [5],[6],[7],[8],[13]
Investments owned, fair value |  | $ 6,724 | [17] | $ 6,400 | [13]
Investment, Identifier [Axis]: Dema/Mai Holdings, Inc - Preferred Equity |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value | [11],[12] | $ 20,446 |  |  |
Investment, Identifier [Axis]: Dema/Mai Holdings, Inc – Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [1],[2],[3],[4],[11] | 11.00% |  |  |
Investment interest rate | [1],[2],[3],[4],[11] | 16.30% |  |  |
Investments owned, fair value | [11] | $ 38,250 |  |  |
Investment, Identifier [Axis]: Dema/Mai Holdings, Inc. – Preferred Equity |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value | [13],[15] |  |  | $ 22,321 |
Investment, Identifier [Axis]: Dema/Mai Holdings, Inc. – Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [5],[6],[7],[8],[13] |  |  | 11.00% |
Investment interest rate | [5],[6],[7],[8],[13] |  |  | 15.90% |
Investments owned, fair value | [13] |  |  | $ 38,250 |
Investment, Identifier [Axis]: Diligent Delivery Systems – Common Stock Warrants |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 1,157 | [12],[17] | $ 1,724 | [13],[15]
Investment, Identifier [Axis]: Diligent Delivery Systems – Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread |  | 9.00% | [1],[2],[3],[4],[17] | 9.00% | [5],[6],[7],[8],[18]
Investment interest rate |  | 14.30% | [1],[2],[3],[4],[17] | 13.90% | [5],[6],[7],[8],[18]
Investments owned, fair value |  | $ 13,000 | [17] | $ 12,983 | [18]
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. – Preferred Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 0 | [10],[11],[12] | $ 0 | [13],[14],[15]
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. – Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [5],[6],[7],[8],[13],[14],[19] |  |  | 5.50% |
Investment interest rate | [5],[6],[7],[8],[13],[14],[19] |  |  | 10.40% |
Investments owned, fair value | [13],[14],[19] |  |  | $ 4,255 |
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc.– Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [1],[2],[3],[4],[10],[11],[20] | 5.50% |  |  |
Investment interest rate | [1],[2],[3],[4],[10],[11],[20] | 10.80% |  |  |
Investments owned, fair value | [10],[11],[20] | $ 4,343 |  |  |
Investment, Identifier [Axis]: Educators Resource, Inc. – Preferred Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 28,008 | [11],[12] | $ 17,445 | [13],[15]
Investment, Identifier [Axis]: Educators Resource, Inc. – Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread |  | 10.50% | [1],[2],[3],[4],[11] | 10.50% | [5],[6],[7],[8],[13]
Investment interest rate |  | 15.80% | [1],[2],[3],[4],[11] | 15.40% | [5],[6],[7],[8],[13]
Investments owned, fair value |  | $ 20,000 | [11] | $ 20,000 | [13]
Investment, Identifier [Axis]: Funko Acquisition Holdings, LLC – Common Units |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | 22 | [10],[12],[21] | 27 | [14],[15],[22]
Investment, Identifier [Axis]: Galaxy Technologies Holdings, Inc. – Common Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 0 | [11],[12] | $ 0 | [13],[15]
Investment, Identifier [Axis]: Galaxy Technologies Holdings, Inc. – Term Debt 1 |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread |  | 4.10% | [1],[2],[3],[4],[11] | 4.10% | [5],[6],[7],[8],[13]
Investment interest rate |  | 9.40% | [1],[2],[3],[4],[11] | 9.00% | [5],[6],[7],[8],[13]
Investments owned, fair value |  | $ 6,900 | [11] | $ 5,965 | [13]
Investment, Identifier [Axis]: Galaxy Technologies Holdings, Inc. – Term Debt 2 |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread |  | 7.00% | [1],[2],[3],[4],[11] | 7.00% | [5],[6],[7],[8],[13]
Investment interest rate |  | 12.30% | [1],[2],[3],[4],[11] | 11.90% | [5],[6],[7],[8],[13]
Investments owned, fair value |  | $ 18,796 | [11] | $ 16,250 | [13]
Investment, Identifier [Axis]: Ginsey Home Solutions, Inc. – Common Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | 0 | [11],[12] | 0 | [13],[15]
Investment, Identifier [Axis]: Ginsey Home Solutions, Inc. – Preferred Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 0 | [11],[12] | $ 0 | [13],[15]
Investment, Identifier [Axis]: Ginsey Home Solutions, Inc. – Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [1],[2],[3],[4],[11] | 10.00% |  |  |
Investment interest rate | [1],[2],[3],[4],[11] | 15.30% |  |  |
Investments owned, fair value | [11] | $ 11,923 |  |  |
Investment, Identifier [Axis]: Ginsey Home Solutions, Inc. – Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [5],[6],[7],[8],[13] |  |  | 10.00% |
Investment interest rate | [5],[6],[7],[8],[13] |  |  | 14.90% |
Investments owned, fair value | [13] |  |  | $ 10,676 |
Investment, Identifier [Axis]: Gladstone SOG Investments, Inc. - Common Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value | [13],[15] |  |  | 713 |
Investment, Identifier [Axis]: Home Concepts Acquisition, Inc. - Line of Credit |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [1],[2],[3],[4],[11] | 6.00% |  |  |
Investment interest rate | [1],[2],[3],[4],[11] | 11.30% |  |  |
Line of credit facility, available | [1],[2],[3],[4],[11] | $ 2,000 |  |  |
Investments owned, fair value | [11] | $ 0 |  |  |
Investment, Identifier [Axis]: Home Concepts Acquisition, Inc. - Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [1],[2],[3],[4],[11] | 9.00% |  |  |
Investment interest rate | [1],[2],[3],[4],[11] | 14.30% |  |  |
Investments owned, fair value | [11] | $ 12,000 |  |  |
Investment, Identifier [Axis]: Home Concepts Acquisition, Inc.- Preferred Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value | [11],[12] | 3,275 |  |  |
Investment, Identifier [Axis]: Horizon Facilities Services, Inc. – Preferred Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 6,586 | [11],[12] | $ 12,345 | [13],[15]
Investment, Identifier [Axis]: Horizon Facilities Services, Inc. – Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread |  | 7.50% | [1],[2],[3],[4],[11] | 7.50% | [5],[6],[7],[8],[13]
Investment interest rate |  | 12.80% | [1],[2],[3],[4],[11] | 12.40% | [5],[6],[7],[8],[13]
Investments owned, fair value |  | $ 57,700 | [11] | $ 57,700 | [13]
Investment, Identifier [Axis]: ImageWorks Display and Marketing Group, Inc. – Preferred Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 651 | [11],[12] | $ 10,926 | [13],[15]
Investment, Identifier [Axis]: ImageWorks Display and Marketing Group, Inc. – Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread |  | 11.00% | [1],[2],[3],[4],[11] | 11.00% | [5],[6],[7],[8],[13]
Investment interest rate |  | 16.30% | [1],[2],[3],[4],[11] | 15.90% | [5],[6],[7],[8],[13]
Investments owned, fair value |  | $ 22,000 | [11] | $ 22,000 | [13]
Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC - Line of Credit |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [5],[6],[7],[8],[13],[19] |  |  | 6.00% |
Investment interest rate | [5],[6],[7],[8],[13],[19] |  |  | 10.90% |
Line of credit facility, available | [5],[6],[7],[8],[13],[19] |  |  | $ 0 |
Investments owned, fair value | [13],[19] |  |  | $ 2,744 |
Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC - Term Debt 1 |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread |  | 6.00% | [1],[2],[3],[4],[11],[20] | 6.00% | [5],[6],[7],[8],[13],[19]
Investment interest rate |  | 11.30% | [1],[2],[3],[4],[11],[20] | 10.90% | [5],[6],[7],[8],[13],[19]
Investments owned, fair value |  | $ 8,814 | [11],[20] | $ 9,054 | [13],[19]
Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC - Term Debt 2 |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [5],[6],[7],[8],[13],[19] |  |  | 10.30% |
Investment interest rate | [5],[6],[7],[8],[13],[19] |  |  | 15.10% |
Investments owned, fair value | [13],[19] |  |  | $ 14,268 |
Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC - Term Debt 3 |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [5],[6],[7],[8],[13],[19] |  |  | 6.00% |
Investment interest rate | [5],[6],[7],[8],[13],[19] |  |  | 10.90% |
Investments owned, fair value | [13],[19] |  |  | $ 1,338 |
Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC – Line of Credit |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [1],[2],[3],[4],[11],[20] | 6.00% |  |  |
Investment interest rate | [1],[2],[3],[4],[11],[20] | 11.30% |  |  |
Line of credit facility, available | [1],[2],[3],[4],[11],[20] | $ 0 |  |  |
Investments owned, fair value | [11],[20] | $ 2,671 |  |  |
Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC – Term Debt 2 |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [1],[2],[3],[4],[11],[20] | 10.30% |  |  |
Investment interest rate | [1],[2],[3],[4],[11],[20] | 15.60% |  |  |
Investments owned, fair value | [11],[20] | $ 13,888 |  |  |
Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC – Term Debt 3 |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [1],[2],[3],[4],[11],[20] | 6.00% |  |  |
Investment interest rate | [1],[2],[3],[4],[11],[20] | 11.30% |  |  |
Investments owned, fair value | [11],[20] | $ 1,302 |  |  |
Investment, Identifier [Axis]: J.R. Hobbs Co. – Atlanta, LLC – Preferred Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | 0 | [11],[12] | 0 | [13],[15]
Investment, Identifier [Axis]: Mason West, LLC – Preferred Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 20,939 | [12],[17] | $ 10,940 | [13],[15]
Investment, Identifier [Axis]: Mason West, LLC – Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread |  | 10.00% | [1],[2],[3],[4],[17] | 10.00% | [5],[6],[7],[8],[13]
Investment interest rate |  | 15.30% | [1],[2],[3],[4],[17] | 14.90% | [5],[6],[7],[8],[13]
Investments owned, fair value |  | $ 26,942 | [17] | $ 25,250 | [13]
Investment, Identifier [Axis]: Nocturne Luxury Villas, Inc. – Line of Credit |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread |  | 8.00% | [1],[2],[3],[4],[11] | 8.00% | [5],[6],[7],[8],[13]
Investment interest rate |  | 13.30% | [1],[2],[3],[4],[11] | 12.90% | [5],[6],[7],[8],[13]
Line of credit facility, available |  | $ 2,000 | [1],[2],[3],[4],[11] | $ 2,000 | [5],[6],[7],[8],[13]
Investments owned, fair value |  | 2,000 | [11] | 0 | [13]
Investment, Identifier [Axis]: Nocturne Luxury Villas, Inc. – Preferred Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 17,876 | [11],[12] | $ 16,263 | [13],[15]
Investment, Identifier [Axis]: Nocturne Luxury Villas, Inc. – Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread |  | 10.50% | [1],[2],[3],[4],[11],[23] | 10.50% | [5],[6],[7],[8],[13]
Investment interest rate |  | 14.50% | [1],[2],[3],[4],[11],[23] | 15.40% | [5],[6],[7],[8],[13]
Investments owned, fair value |  | $ 61,100 | [11],[23] | $ 42,450 | [13]
Investment, Identifier [Axis]: Nth Degree Investment Group, LLC – Common Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 33,170 | [11],[12] | 15,243 | [13],[15]
Investment, Identifier [Axis]: Nth Degree, Inc. – Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [1],[2],[3],[4],[16] | 8.50% |  |  |
Investment interest rate | [1],[2],[3],[4],[16] | 13.80% |  |  |
Investments owned, fair value | [16] | $ 24,750 |  |  |
Investment, Identifier [Axis]: Old World Christmas, Inc. – Preferred Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 31,742 | [11],[12] | $ 33,990 | [13],[15]
Investment, Identifier [Axis]: Old World Christmas, Inc. – Secured First Lien Term Loan |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread |  | 9.50% | [1],[2],[3],[4],[11] | 9.50% | [5],[6],[7],[8],[13]
Investment interest rate |  | 14.80% | [1],[2],[3],[4],[11] | 14.40% | [5],[6],[7],[8],[13]
Investments owned, fair value |  | $ 43,000 | [11] | $ 40,500 | [13]
Investment, Identifier [Axis]: PSI Molded Plastics, Inc. – Preferred Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 0 | [11],[12] | $ 0 | [13],[15]
Investment, Identifier [Axis]: PSI Molded Plastics, Inc. – Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread |  | 5.50% | [1],[2],[3],[4],[11] | 5.50% | [5],[6],[7],[8],[13]
Investment interest rate |  | 10.80% | [1],[2],[3],[4],[11] | 10.40% | [5],[6],[7],[8],[13]
Investments owned, fair value |  | $ 23,657 | [11] | $ 24,892 | [13]
Investment, Identifier [Axis]: Phoenix Door Systems, Inc – Line of Credit |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread |  | 7.00% | [1],[2],[3],[4],[11] | 7.00% | [5],[6],[7],[8],[18]
Investment interest rate |  | 12.30% | [1],[2],[3],[4],[11] | 11.90% | [5],[6],[7],[8],[18]
Line of credit facility, available |  | $ 0 | [1],[2],[3],[4],[11] | $ 0 | [5],[6],[7],[8],[18]
Unused fee percentage |  | 0.30% | [1],[2],[3],[4],[11] | 0.30% | [5],[6],[7],[8],[18]
Investments owned, fair value |  | $ 2,750 | [11] | $ 2,391 | [18]
Investment, Identifier [Axis]: Phoenix Door Systems, Inc. – Common Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 0 | [11],[12] | $ 0 | [13],[15]
Investment, Identifier [Axis]: Phoenix Door Systems, Inc. – Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread |  | 11.00% | [1],[2],[3],[4],[11] | 11.00% | [5],[6],[7],[8],[18]
Investment interest rate |  | 16.30% | [1],[2],[3],[4],[11] | 15.90% | [5],[6],[7],[8],[18]
Investments owned, fair value |  | $ 3,200 | [11] | $ 3,000 | [18]
Investment, Identifier [Axis]: SFEG Holdings, Inc. – Common Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | 2,440 | [11],[12] | 0 | [13],[15]
Investment, Identifier [Axis]: SFEG Holdings, Inc. – Preferred Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 8,621 | [11],[12] | $ 4,444 | [13],[15]
Investment, Identifier [Axis]: SFEG Holdings, Inc. – Term Debt 1 |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread |  | 7.00% | [1],[2],[3],[4],[11] | 7.00% | [5],[6],[7],[8],[13]
Investment interest rate |  | 12.30% | [1],[2],[3],[4],[11] | 11.90% | [5],[6],[7],[8],[13]
Investments owned, fair value |  | $ 3,128 | [11] | $ 3,128 | [13]
Investment, Identifier [Axis]: SFEG Holdings, Inc. – Term Debt 2 |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread |  | 7.00% | [1],[2],[3],[4],[11] | 7.00% | [5],[6],[7],[8],[13]
Investment interest rate |  | 12.30% | [1],[2],[3],[4],[11] | 11.90% | [5],[6],[7],[8],[13]
Investments owned, fair value |  | $ 12,516 | [11] | $ 12,516 | [13]
Investment, Identifier [Axis]: Schylling, Inc. – Preferred Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 10,528 | [11],[12] | $ 18,922 | [13],[15]
Investment, Identifier [Axis]: Schylling, Inc. – Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread |  | 11.00% | [1],[2],[3],[4],[11] | 11.00% | [5],[6],[7],[8],[13]
Investment interest rate |  | 16.30% | [1],[2],[3],[4],[11] | 15.90% | [5],[6],[7],[8],[13]
Investments owned, fair value |  | $ 27,981 | [11] | $ 27,981 | [13]
Investment, Identifier [Axis]: The E3 Company, LLC – Line of Credit |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [1],[2],[3],[4],[11] | 5.50% |  |  |
Investment interest rate | [1],[2],[3],[4],[11] | 10.80% |  |  |
Line of credit facility, available | [1],[2],[3],[4],[11] | $ 1,000 |  |  |
Investments owned, fair value | [11] | 1,000 |  |  |
Investment, Identifier [Axis]: The E3 Company, LLC – Preferred Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value | [11],[12] | $ 11,233 |  |  |
Investment, Identifier [Axis]: The E3 Company, LLC – Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [1],[2],[3],[4],[11] | 9.00% |  |  |
Investment interest rate | [1],[2],[3],[4],[11] | 14.30% |  |  |
Investments owned, fair value | [11] | $ 33,750 |  |  |
Investment, Identifier [Axis]: The Maids International, LLC – Preferred Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 6,948 | [11],[12] | $ 3,200 | [13],[15]
Investment, Identifier [Axis]: The Maids International, LLC – Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [5],[6],[7],[8],[13] |  |  | 10.50% |
Investment interest rate | [5],[6],[7],[8],[13] |  |  | 15.40% |
Investments owned, fair value | [13] |  |  | $ 28,560 |
Investment, Identifier [Axis]: The Maids International, LLC – Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [1],[2],[3],[4],[11] | 10.50% |  |  |
Investment interest rate | [1],[2],[3],[4],[11] | 15.80% |  |  |
Investments owned, fair value | [11] | $ 28,560 |  |  |
Investment, Identifier [Axis]: The Mountain Corporation – Common Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 0 | [11],[12] | $ 0 | [13],[15]
Investment, Identifier [Axis]: The Mountain Corporation – Line of Credit |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread |  | 5.00% | [1],[2],[3],[4],[11],[20] | 5.00% | [5],[6],[7],[8],[13],[19]
Investment interest rate |  | 10.30% | [1],[2],[3],[4],[11],[20] | 9.90% | [5],[6],[7],[8],[13],[19]
Line of credit facility, available |  | $ 0 | [1],[2],[3],[4],[11],[20] | $ 150 | [5],[6],[7],[8],[13],[19]
Investments owned, fair value |  | 0 | [11],[20] | 0 | [13],[19]
Investment, Identifier [Axis]: The Mountain Corporation – Preferred Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 0 | [11],[12] | $ 0 | [13],[15]
Investment, Identifier [Axis]: The Mountain Corporation – Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [1],[2],[3],[4],[11],[20] | 4.00% |  |  |
Investment interest rate | [1],[2],[3],[4],[11],[20] | 9.30% |  |  |
Investments owned, fair value | [11],[20] | $ 0 |  |  |
Investment, Identifier [Axis]: The Mountain Corporation – Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [5],[6],[7],[8],[13],[19] |  |  | 4.00% |
Investment interest rate | [5],[6],[7],[8],[13],[19] |  |  | 8.90% |
Investments owned, fair value | [13],[19] |  |  | $ 0 |
Investment, Identifier [Axis]: Utah Pacific Bridge & Steel, Ltd. - Preferred Stock |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investments owned, fair value |  | $ 9,240 | [11],[12] | $ 7,748 | [13],[15]
Investment, Identifier [Axis]: Utah Pacific Bridge & Steel, Ltd. - Term Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [5],[6],[7],[8],[13] |  |  | 10.00% |
Investment interest rate | [5],[6],[7],[8],[13] |  |  | 14.90% |
Investments owned, fair value | [13] |  |  | $ 18,250 |
Investment, Identifier [Axis]: Utah Pacific Bridge & Steel, Ltd., 2 |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment, reference rate and spread | [1],[2],[3],[4],[11] | 10.00% |  |  |
Investment interest rate | [1],[2],[3],[4],[11] | 15.30% |  |  |
Investments owned, fair value | [11] | $ 18,250 |  |  |
Non-Control/Non-Affiliate Investments |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 132.20% | [1],[2],[3],[4],[24] | 113.00% | [5],[6],[7],[8],[25]
Investments owned, fair value |  | $ 628,958 | [24] | $ 496,875 | [25]
Non-Control/Non-Affiliate Investments | Secured First Lien Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 74.00% | [1],[2],[3],[4],[24] | 63.60% | [5],[6],[7],[8],[25]
Investments owned, fair value |  | $ 351,984 | [24] | $ 279,748 | [25]
Non-Control/Non-Affiliate Investments | Secured First Lien Debt | Buildings and Real Estate |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 8.00% | [1],[2],[3],[4],[24] | 8.70% | [5],[6],[7],[8],[25]
Non-Control/Non-Affiliate Investments | Secured First Lien Debt | Diversified/Conglomerate Manufacturing |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 1.20% | [1],[2],[3],[4],[24] | 1.20% | [5],[6],[7],[8],[25]
Investments owned, fair value |  | $ 5,950 | [24] | $ 5,391 | [25]
Non-Control/Non-Affiliate Investments | Secured First Lien Debt | Diversified/Conglomerate Services |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 23.90% | [1],[2],[3],[4],[24] | 25.10% | [5],[6],[7],[8],[25]
Investments owned, fair value |  | $ 113,480 | [24] | $ 110,450 | [25]
Non-Control/Non-Affiliate Investments | Secured First Lien Debt | Healthcare, Education, and Childcare |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 4.20% | [1],[2],[3],[4],[24] | 4.50% | [5],[6],[7],[8],[25]
Non-Control/Non-Affiliate Investments | Secured First Lien Debt | Home and Office Furnishings, Housewares, and Durable Consumer Products |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 7.70% | [1],[2],[3],[4],[24] | 8.00% | [5],[6],[7],[8],[25]
Investments owned, fair value |  | $ 36,473 | [24] | $ 35,226 | [25]
Non-Control/Non-Affiliate Investments | Secured First Lien Debt | Hotels, Motels, Inns, and Gaming |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 13.30% | [1],[2],[3],[4],[24] | 9.70% | [5],[6],[7],[8],[25]
Investments owned, fair value |  | $ 63,100 | [24] | $ 42,450 | [25]
Non-Control/Non-Affiliate Investments | Secured First Lien Debt | Leisure, Amusement, Motion Pictures, and Entertainment |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 5.90% | [1],[2],[3],[4],[24] | 6.40% | [5],[6],[7],[8],[25]
Non-Control/Non-Affiliate Investments | Secured First Lien Debt | Oil and Gas |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets | [1],[2],[3],[4],[24] | 7.30% |  |  |
Investments owned, fair value | [24] | $ 34,750 |  |  |
Non-Control/Non-Affiliate Investments | Secured First Lien Debt | Printing and Publishing |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets | [1],[2],[3],[4],[24] | 2.50% |  |  |
Investments owned, fair value | [24] | $ 12,000 |  |  |
Non-Control/Non-Affiliate Investments | Secured Second Lien Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 11.40% | [1],[2],[3],[4],[24] | 11.60% | [5],[6],[7],[8],[25]
Investments owned, fair value |  | $ 54,340 | [24] | $ 50,842 | [25]
Non-Control/Non-Affiliate Investments | Secured Second Lien Debt | Aerospace and Defense |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 5.40% | [1],[2],[3],[4],[24] | 5.00% | [5],[6],[7],[8],[25]
Investments owned, fair value |  | $ 25,696 | [24] | $ 22,215 | [25]
Non-Control/Non-Affiliate Investments | Secured Second Lien Debt | Cargo Transport |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 2.70% | [1],[2],[3],[4],[24] | 3.00% | [5],[6],[7],[8],[25]
Non-Control/Non-Affiliate Investments | Secured Second Lien Debt | Machinery (Non-Agriculture, Non-Construction, and Non-Electronic) |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 3.30% | [1],[2],[3],[4],[24] | 3.60% | [5],[6],[7],[8],[25]
Investments owned, fair value |  | $ 15,644 | [24] | $ 15,644 | [25]
Non-Control/Non-Affiliate Investments | Preferred Equity |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 46.00% | [1],[2],[3],[4],[24] | 37.40% | [5],[6],[7],[8],[25]
Investments owned, fair value |  | $ 219,015 | [24] | $ 164,534 | [25]
Non-Control/Non-Affiliate Investments | Preferred Equity | Buildings and Real Estate |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 4.30% | [1],[2],[3],[4],[24] | 5.10% | [5],[6],[7],[8],[25]
Non-Control/Non-Affiliate Investments | Preferred Equity | Diversified/Conglomerate Services |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 16.10% | [1],[2],[3],[4],[24] | 11.60% | [5],[6],[7],[8],[25]
Investments owned, fair value |  | $ 76,748 | [24] | $ 51,170 | [25]
Non-Control/Non-Affiliate Investments | Preferred Equity | Healthcare, Education, and Childcare |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 5.90% | [1],[2],[3],[4],[24] | 4.00% | [5],[6],[7],[8],[25]
Non-Control/Non-Affiliate Investments | Preferred Equity | Home and Office Furnishings, Housewares, and Durable Consumer Products |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 8.90% | [1],[2],[3],[4],[24] | 7.70% | [5],[6],[7],[8],[25]
Investments owned, fair value |  | $ 42,280 | [24] | $ 33,969 | [25]
Non-Control/Non-Affiliate Investments | Preferred Equity | Hotels, Motels, Inns, and Gaming |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 3.70% | [1],[2],[3],[4],[24] | 3.70% | [5],[6],[7],[8],[25]
Non-Control/Non-Affiliate Investments | Preferred Equity | Leisure, Amusement, Motion Pictures, and Entertainment |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 2.20% | [1],[2],[3],[4],[24] | 4.30% | [5],[6],[7],[8],[25]
Non-Control/Non-Affiliate Investments | Preferred Equity | Oil and Gas |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets | [1],[2],[3],[4],[24] | 2.40% |  |  |
Non-Control/Non-Affiliate Investments | Preferred Equity | Printing and Publishing |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets | [1],[2],[3],[4],[24] | 0.70% |  |  |
Non-Control/Non-Affiliate Investments | Preferred Equity | Machinery (Non-Agriculture, Non-Construction, and Non-Electronic) |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 1.80% | [1],[2],[3],[4],[24] | 1.00% | [5],[6],[7],[8],[25]
Non-Control/Non-Affiliate Investments | Common Equity/ Equivalents |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 0.80% | [1],[2],[3],[4],[24] | 0.40% | [5],[6],[7],[8],[25]
Investments owned, fair value |  | $ 3,619 | [24] | $ 1,751 | [25]
Non-Control/Non-Affiliate Investments | Common Equity/ Equivalents | Diversified/Conglomerate Manufacturing |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets | [5],[6],[7],[8],[25] |  |  | 0.00% |
Non-Control/Non-Affiliate Investments | Common Equity/ Equivalents | Home and Office Furnishings, Housewares, and Durable Consumer Products |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 0.00% | [1],[2],[3],[4],[24] | 0.00% | [5],[6],[7],[8],[25]
Non-Control/Non-Affiliate Investments | Common Equity/ Equivalents | Aerospace and Defense |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 0.00% | [1],[2],[3],[4],[24] | 0.00% | [5],[6],[7],[8],[25]
Non-Control/Non-Affiliate Investments | Common Equity/ Equivalents | Cargo Transport |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 0.30% | [1],[2],[3],[4],[24] | 0.40% | [5],[6],[7],[8],[25]
Non-Control/Non-Affiliate Investments | Common Equity/ Equivalents | Machinery (Non-Agriculture, Non-Construction, and Non-Electronic) |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 0.50% | [1],[2],[3],[4],[24] | 0.00% | [5],[6],[7],[8],[25]
Non-Control/Non-Affiliate Investments | Common Equity/ Equivalents | Personal and Non-Durable Consumer Products (Manufacturing Only) |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 0.00% | [1],[2],[3],[4],[24] | 0.00% | [5],[6],[7],[8],[25]
Affiliate Investments |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 60.30% | [1],[2],[3],[4],[26] | 58.20% | [5],[6],[7],[8],[27]
Investments owned, fair value |  | $ 286,678 | [26] | $ 255,955 | [27]
Affiliate Investments | Secured First Lien Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 32.90% | [1],[2],[3],[4],[26] | 35.80% | [5],[6],[7],[8],[27]
Investments owned, fair value |  | $ 156,520 | [26] | $ 157,769 | [27]
Affiliate Investments | Secured First Lien Debt | Diversified/Conglomerate Manufacturing |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 0.90% | [1],[2],[3],[4],[26] | 1.00% | [5],[6],[7],[8],[27]
Affiliate Investments | Secured First Lien Debt | Diversified/Conglomerate Services |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 16.20% | [1],[2],[3],[4],[26] | 17.70% | [5],[6],[7],[8],[27]
Investments owned, fair value |  | $ 77,235 | [26] | $ 77,964 | [27]
Affiliate Investments | Secured First Lien Debt | Home and Office Furnishings, Housewares, and Durable Consumer Products |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 9.00% | [1],[2],[3],[4],[26] | 9.20% | [5],[6],[7],[8],[27]
Affiliate Investments | Secured First Lien Debt | Mining, Steel, Iron and Non-Precious Metals |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 3.90% | [1],[2],[3],[4],[26] | 4.10% | [5],[6],[7],[8],[27]
Affiliate Investments | Secured First Lien Debt | Telecommunications |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 2.90% | [1],[2],[3],[4],[26] | 3.80% | [5],[6],[7],[8],[27]
Investments owned, fair value |  | $ 13,692 | [26] | $ 16,800 | [27]
Affiliate Investments | Secured Second Lien Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 10.20% | [1],[2],[3],[4],[26] | 5.70% | [5],[6],[7],[8],[27]
Investments owned, fair value |  | $ 48,407 | [26] | $ 24,892 | [27]
Affiliate Investments | Secured Second Lien Debt | Diversified/Conglomerate Services |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets | [1],[2],[3],[4],[26] | 5.20% |  |  |
Affiliate Investments | Secured Second Lien Debt | Chemicals, Plastics, and Rubber |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 5.00% | [1],[2],[3],[4],[26] | 5.70% | [5],[6],[7],[8],[27]
Affiliate Investments | Preferred Equity |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 10.20% | [1],[2],[3],[4],[26] | 13.20% | [5],[6],[7],[8],[27]
Investments owned, fair value |  | $ 48,581 | [26] | $ 58,051 | [27]
Affiliate Investments | Preferred Equity | Diversified/Conglomerate Manufacturing |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 0.00% | [1],[2],[3],[4],[26] | 0.00% | [5],[6],[7],[8],[27]
Affiliate Investments | Preferred Equity | Diversified/Conglomerate Services |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 1.60% | [1],[2],[3],[4],[26] | 3.20% | [5],[6],[7],[8],[27]
Investments owned, fair value |  | $ 7,599 | [26] | $ 14,126 | [27]
Affiliate Investments | Preferred Equity | Home and Office Furnishings, Housewares, and Durable Consumer Products |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 6.70% | [1],[2],[3],[4],[26] | 7.70% | [5],[6],[7],[8],[27]
Affiliate Investments | Preferred Equity | Mining, Steel, Iron and Non-Precious Metals |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 1.90% | [1],[2],[3],[4],[26] | 1.80% | [5],[6],[7],[8],[27]
Affiliate Investments | Preferred Equity | Telecommunications |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 0.00% | [1],[2],[3],[4],[26] | 0.50% | [5],[6],[7],[8],[27]
Affiliate Investments | Preferred Equity | Chemicals, Plastics, and Rubber |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 0.00% | [1],[2],[3],[4],[26] | 0.00% | [5],[6],[7],[8],[27]
Affiliate Investments | Common Equity/ Equivalents |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 7.00% | [1],[2],[3],[4],[26] | 3.50% | [5],[6],[7],[8],[27]
Investments owned, fair value |  | $ 33,170 | [26] | $ 15,243 | [27]
Affiliate Investments | Common Equity/ Equivalents | Diversified/Conglomerate Services |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 7.00% | [1],[2],[3],[4],[26] | 3.50% | [5],[6],[7],[8],[27]
Affiliate Investments | Common Equity/ Equivalents | Telecommunications |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 0.00% | [1],[2],[3],[4],[26] | 0.00% | [5],[6],[7],[8],[27]
Control Investments |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 0.00% | [1],[2],[3],[4],[28] | 0.20% | [5],[6],[7],[8],[29]
Investments owned, fair value |  | $ 0 | [28] | $ 713 | [29]
Control Investments | Secured First Lien Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 0.00% | [1],[2],[3],[4],[28] | 0.00% | [5],[6],[7],[8],[29]
Investments owned, fair value |  | $ 0 | [28] | $ 0 | [29]
Control Investments | Secured First Lien Debt | Personal and Non-Durable Consumer Products (Manufacturing Only) |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 0.00% | [1],[2],[3],[4],[28] | 0.00% | [5],[6],[7],[8],[29]
Control Investments | Secured Second Lien Debt |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 0.00% | [1],[2],[3],[4],[28] | 0.00% | [5],[6],[7],[8],[29]
Investments owned, fair value |  | $ 0 | [28] | $ 0 | [29]
Control Investments | Secured Second Lien Debt | Personal and Non-Durable Consumer Products (Manufacturing Only) |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 0.00% | [1],[2],[3],[4],[28] | 0.00% | [5],[6],[7],[8],[29]
Control Investments | Preferred Equity |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 0.00% | [1],[2],[3],[4],[28] | 0.00% | [5],[6],[7],[8],[29]
Investments owned, fair value |  | $ 0 | [28] | $ 0 | [29]
Control Investments | Preferred Equity | Personal and Non-Durable Consumer Products (Manufacturing Only) |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 0.00% | [1],[2],[3],[4],[28] | 0.00% | [5],[6],[7],[8],[29]
Control Investments | Common Equity/ Equivalents |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 0.00% | [1],[2],[3],[4],[28] | 0.20% | [5],[6],[7],[8],[29]
Investments owned, fair value |  | $ 0 | [28] | $ 713 | [29]
Control Investments | Common Equity/ Equivalents | Leisure, Amusement, Motion Pictures, and Entertainment |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets | [5],[6],[7],[8],[29] |  |  | 0.20% |
Control Investments | Common Equity/ Equivalents | Personal and Non-Durable Consumer Products (Manufacturing Only) |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |
Investment owned, percent of net assets |  | 0.00% | [1],[2],[3],[4],[28] | 0.00% | [5],[6],[7],[8],[29]
[1] | Certain of the securities listed are issued by affiliate(s) of the indicated portfolio company. The majority of the securities listed, totaling $774.9 million at fair value, are pledged as collateral to our revolving line of credit, as described further in Note 5—Borrowings in the accompanying Notes to Consolidated Financial Statements. Additionally, under Section 55 of 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 investment in Funko Acquisition Holdings, LLC ("Funko") was considered a non-qualifying asset under Section 55 of the 1940 Act and represented less than 0.1% of total investments, at fair value.
[2] | Unless indicated otherwise, all cash interest rates are indexed to 30 day Secured Overnight Financing Rate ("SOFR"), which was 5.3% as of September 30, 2023. If applicable, paid-in-kind 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 the reference rate plus a spread. Due dates represent the contractual maturity date.
[3] | Unless indicated otherwise, all of our investments are valued using Level 3 inputs within the Financial Accounting Standards Board ("FASB") Accounting Standards 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.
[4] | Category percentages represent the fair value of each category and subcategory as a percentage of net assets as of September 30, 2023.
[5] | Certain of the securities listed are issued by affiliate(s) of the indicated portfolio company. The majority of the securities listed, totaling $639.5 million at fair value, are pledged as collateral to our revolving line of credit, as described further in Note 5—Borrowings in the accompanying Notes to Consolidated Financial Statements. Additionally, under Section 55 of 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 March 31, 2023, our investment in Funko was considered a non-qualifying asset under Section 55 of the 1940 Act and represented less than 0.1% of total investments, at fair value.
[6] | Unless indicated otherwise, all cash interest rates are indexed to 30-day London Interbank Offered Rate ("LIBOR" or "L"), which was 4.9% as of March 31, 2023. If applicable, paid-in-kind 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 30-day LIBOR 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 3—Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[8] | Category percentages represent the fair value of each category and subcategory as a percentage of net assets as of March 31, 2023.
[9] | Cumulative gross unrealized appreciation for federal income tax purposes is $150.4 million; cumulative gross unrealized depreciation for federal income tax purposes is $119.3 million. Cumulative net unrealized appreciation is $31.1 million, based on a tax cost of $722.4 million.
[10] | (K)One of our affiliated funds, Gladstone Capital Corporation, co-invested with us in this portfolio company pursuant to an exemptive order granted by the U.S. Securities and Exchange Commission.
[11] | Fair value was based on the total enterprise value of the portfolio company, which is generally allocated to the portfolio company’s securities in order of their relative priority in the capital structure. Refer to Note 3—Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[12] | Security is non-income producing
[13] | Fair value was based on the total enterprise value of the portfolio company, which is generally allocated to the portfolio company’s securities in order of their relative priority in the capital structure. Refer to Note 3—Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[14] | One of our affiliated funds, Gladstone Capital Corporation, co-invested with us in this portfolio company pursuant to an exemptive order granted by the U.S. Securities and Exchange Commission.
[15] | Security is non-income producing.
[16] | Fair value was based on an internal yield analysis or on estimates of value submitted by a third-party valuation firm. Refer to Note 3—Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[17] | Fair value was based on the expected exit or payoff amount, where such event has occurred or is expected to occur imminently.
[18] | Fair value was based on an internal yield analysis or on estimates of value submitted by a third-party valuation firm. Refer to Note 3—Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[19] | Debt security is on non-accrual status.
[20] | Debt security is on non-accrual status.
[21] | Our investment in Funko was valued using Level 2 inputs within the ASC 820 fair value hierarchy. Our common units in Funko are convertible into 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.
[22] | Our investment in Funko was valued using Level 2 inputs within the ASC 820 fair value hierarchy. Our common units in Funko are convertible into 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.
[23] | Debt security is subject to an interest rate ceiling.
[24] | 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.
[25] | 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.
[26] | Affiliate investments, as defined by the 1940 Act, are those that are not Control investments and 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.
[27] | Affiliate investments, as defined by the 1940 Act, are those that are not Control investments and 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.
[28] | 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.
[29] | 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.

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