Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED SCHEDULE OF INVESTMENTS (Parenthetical)

v3.24.0.1
CONSOLIDATED SCHEDULE OF INVESTMENTS (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2023
[5],[6],[7],[8],[18]
Dec. 31, 2023
Mar. 31, 2023
Schedule of Investments [Line Items]      
Investment owned, percent of net assets   196.30% [1],[2],[3],[4] 171.40% [5],[6],[7],[8],[9]
Investments owned, fair value   $ 902,808 $ 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   5.40% 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   $ 702,900 $ 639,500
Buildings and Real Estate      
Schedule of Investments [Line Items]      
Investments owned, fair value   64,352 60,571
Diversified/Conglomerate Services      
Schedule of Investments [Line Items]      
Investments owned, fair value   255,141 268,954
Healthcare, Education, and Childcare      
Schedule of Investments [Line Items]      
Investments owned, fair value   50,237 37,445
Home and Office Furnishings, Housewares, and Durable Consumer Products      
Schedule of Investments [Line Items]      
Investments owned, fair value   155,897 143,685
Hotels, Motels, Inns, and Gaming      
Schedule of Investments [Line Items]      
Investments owned, fair value   80,557 58,713
Leisure, Amusement, Motion Pictures, and Entertainment      
Schedule of Investments [Line Items]      
Investments owned, fair value   38,356 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   15,210 0
Aerospace and Defense      
Schedule of Investments [Line Items]      
Investments owned, fair value   25,754 22,215
Cargo Transport      
Schedule of Investments [Line Items]      
Investments owned, fair value   13,500 14,707
Machinery (Non-Agriculture, Non-Construction, and Non-Electronic)      
Schedule of Investments [Line Items]      
Investments owned, fair value   92,293 20,088
Mining, Steel, Iron and Non-Precious Metals      
Schedule of Investments [Line Items]      
Investments owned, fair value   27,831 25,998
Telecommunications      
Schedule of Investments [Line Items]      
Investments owned, fair value   8,881 18,987
Chemicals, Plastics, and Rubber      
Schedule of Investments [Line Items]      
Investments owned, fair value   19,256 24,891
Secured First Lien Debt      
Schedule of Investments [Line Items]      
Investments owned, fair value   476,126 437,517
Secured Second Lien Debt      
Schedule of Investments [Line Items]      
Investments owned, fair value   137,480 75,734
Preferred Equity      
Schedule of Investments [Line Items]      
Investments owned, fair value   214,664 222,585
Common Equity/ Equivalents      
Schedule of Investments [Line Items]      
Investments owned, fair value   74,538 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],[15]
Investment interest rate   7.40% [1],[2],[3],[4],[10],[16] 15.90% [5],[6],[7],[8],[13],[15]
Line of credit facility, available   $ 0 [1],[2],[3],[4],[10],[16] $ 0 [5],[6],[7],[8],[13],[15]
Investments owned, fair value   $ 2,800 [10],[16] 2,800 [13],[15]
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],[15]     11.00%
Investment interest rate [5],[6],[7],[8],[13],[15]     15.90%
Investments owned, fair value [13],[15]     $ 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]   7.40%  
Investments owned, fair value [10],[16]   $ 6,081  
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   $ 43,599 [11],[12] $ 33,969 [14],[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],[15]
Investment interest rate   15.40% [1],[2],[3],[4],[11] 14.90% [5],[6],[7],[8],[15]
Investments owned, fair value   $ 17,700 [11] $ 17,700 [15]
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],[15]
Investment interest rate   15.40% [1],[2],[3],[4],[11] 14.90% [5],[6],[7],[8],[15]
Investments owned, fair value   $ 6,850 [11] $ 6,850 [15]
Investment, Identifier [Axis]: Counsel Press, Inc. – Preferred Stock      
Schedule of Investments [Line Items]      
Investments owned, fair value [14],[15]     $ 27,885
Investment, Identifier [Axis]: Counsel Press, Inc. – Term Debt 1      
Schedule of Investments [Line Items]      
Investment, reference rate and spread [5],[6],[7],[8],[15]     11.80%
Investment interest rate [5],[6],[7],[8],[15]     16.60%
Investments owned, fair value [15]     $ 21,100
Investment, Identifier [Axis]: Counsel Press, Inc. – Term Debt 2      
Schedule of Investments [Line Items]      
Investment, reference rate and spread [5],[6],[7],[8],[15]     13.00%
Investment interest rate [5],[6],[7],[8],[15]     17.90%
Investments owned, fair value [15]     $ 6,400
Investment, Identifier [Axis]: Dema/Mai Holdings, Inc - Preferred Equity      
Schedule of Investments [Line Items]      
Investments owned, fair value [11],[12]   $ 26,102  
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]   16.40%  
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 [14],[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],[15]     11.00%
Investment interest rate [5],[6],[7],[8],[15]     15.90%
Investments owned, fair value [15]     $ 38,250
Investment, Identifier [Axis]: Diligent Delivery Systems – Common Stock Warrants      
Schedule of Investments [Line Items]      
Investments owned, fair value   $ 500 [12],[17] $ 1,724 [14],[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   14.40% [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 - Term Debt      
Schedule of Investments [Line Items]      
Investment, reference rate and spread [1],[2],[3],[4],[10],[11],[19]   5.50%  
Investment interest rate [1],[2],[3],[4],[10],[11],[19]   10.90%  
Investments owned, fair value [10],[11],[19]   $ 4,244  
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. - Preferred Stock      
Schedule of Investments [Line Items]      
Investments owned, fair value [10],[11],[12]   0  
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. – Preferred Stock      
Schedule of Investments [Line Items]      
Investments owned, fair value [13],[14],[15]     $ 0
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. – Term Debt      
Schedule of Investments [Line Items]      
Investment, reference rate and spread [5],[6],[7],[8],[13],[15],[20]     5.50%
Investment interest rate [5],[6],[7],[8],[13],[15],[20]     10.40%
Investments owned, fair value [13],[15],[20]     $ 4,255
Investment, Identifier [Axis]: Educators Resource, Inc. – Preferred Stock      
Schedule of Investments [Line Items]      
Investments owned, fair value   $ 30,237 [11],[12] $ 17,445 [14],[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],[15]
Investment interest rate   15.90% [1],[2],[3],[4],[11] 15.40% [5],[6],[7],[8],[15]
Investments owned, fair value   $ 20,000 [11] $ 20,000 [15]
Investment, Identifier [Axis]: Funko Acquisition Holdings, LLC – Common Units      
Schedule of Investments [Line Items]      
Investments owned, fair value   22 [10],[12],[21] 27 [13],[14],[22]
Investment, Identifier [Axis]: Galaxy Technologies Holdings, Inc. – Common Stock      
Schedule of Investments [Line Items]      
Investments owned, fair value   $ 58 [11],[12] $ 0 [14],[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],[15]
Investment interest rate   9.50% [1],[2],[3],[4],[11] 9.00% [5],[6],[7],[8],[15]
Investments owned, fair value   $ 6,900 [11] $ 5,965 [15]
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],[15]
Investment interest rate   12.40% [1],[2],[3],[4],[11] 11.90% [5],[6],[7],[8],[15]
Investments owned, fair value   $ 18,796 [11] $ 16,250 [15]
Investment, Identifier [Axis]: Ginsey Home Solutions, Inc. – Common Stock      
Schedule of Investments [Line Items]      
Investments owned, fair value   0 [11],[12] 0 [14],[15]
Investment, Identifier [Axis]: Ginsey Home Solutions, Inc. – Preferred Stock      
Schedule of Investments [Line Items]      
Investments owned, fair value   $ 0 [11],[12] $ 0 [14],[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]   15.40%  
Investments owned, fair value [11]   $ 12,153  
Investment, Identifier [Axis]: Ginsey Home Solutions, Inc. – Term Debt      
Schedule of Investments [Line Items]      
Investment, reference rate and spread [5],[6],[7],[8],[15]     10.00%
Investment interest rate [5],[6],[7],[8],[15]     14.90%
Investments owned, fair value [15]     $ 10,676
Investment, Identifier [Axis]: Gladstone SOG Investments, Inc. - Common Stock      
Schedule of Investments [Line Items]      
Investments owned, fair value [14],[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]   11.40%  
Line of credit facility, available [1],[2],[3],[4],[11]   $ 500  
Investments owned, fair value [11]   $ 1,500  
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]   14.40%  
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]   1,710  
Investment, Identifier [Axis]: Horizon Facilities Services, Inc. – Preferred Stock      
Schedule of Investments [Line Items]      
Investments owned, fair value   $ 5,382 [11],[12] $ 12,345 [14],[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],[15]
Investment interest rate   12.90% [1],[2],[3],[4],[11] 12.40% [5],[6],[7],[8],[15]
Investments owned, fair value   $ 57,700 [11] $ 57,700 [15]
Investment, Identifier [Axis]: ImageWorks Display and Marketing Group, Inc. – Preferred Stock      
Schedule of Investments [Line Items]      
Investments owned, fair value   $ 1,855 [11],[12] $ 10,926 [14],[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],[15]
Investment interest rate   16.40% [1],[2],[3],[4],[11] 15.90% [5],[6],[7],[8],[15]
Investments owned, fair value   $ 22,000 [11] $ 22,000 [15]
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],[15],[20]     6.00%
Investment interest rate [5],[6],[7],[8],[15],[20]     10.90%
Line of credit facility, available [5],[6],[7],[8],[15],[20]     $ 0
Investments owned, fair value [15],[20]     $ 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],[19] 6.00% [5],[6],[7],[8],[15],[20]
Investment interest rate   11.40% [1],[2],[3],[4],[11],[19] 10.90% [5],[6],[7],[8],[15],[20]
Investments owned, fair value   $ 8,810 [11],[19] $ 9,054 [15],[20]
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],[15],[20]     10.30%
Investment interest rate [5],[6],[7],[8],[15],[20]     15.10%
Investments owned, fair value [15],[20]     $ 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],[15],[20]     6.00%
Investment interest rate [5],[6],[7],[8],[15],[20]     10.90%
Investments owned, fair value [15],[20]     $ 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],[19]   6.00%  
Investment interest rate [1],[2],[3],[4],[11],[19]   11.40%  
Line of credit facility, available [1],[2],[3],[4],[11],[19]   $ 0  
Investments owned, fair value [11],[19]   $ 2,670  
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],[19]   10.30%  
Investment interest rate [1],[2],[3],[4],[11],[19]   15.60%  
Investments owned, fair value [11],[19]   $ 13,882  
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],[19]   6.00%  
Investment interest rate [1],[2],[3],[4],[11],[19]   11.40%  
Investments owned, fair value [11],[19]   $ 1,301  
Investment, Identifier [Axis]: J.R. Hobbs Co. – Atlanta, LLC – Preferred Stock      
Schedule of Investments [Line Items]      
Investments owned, fair value   0 [11],[12] 0 [14],[15]
Investment, Identifier [Axis]: Mason West, LLC – Preferred Stock      
Schedule of Investments [Line Items]      
Investments owned, fair value   $ 20,146 [11],[12] $ 10,940 [14],[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],[11] 10.00% [5],[6],[7],[8],[15]
Investment interest rate   15.40% [1],[2],[3],[4],[11] 14.90% [5],[6],[7],[8],[15]
Investments owned, fair value   $ 25,250 [11] $ 25,250 [15]
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],[15]
Investment interest rate   13.40% [1],[2],[3],[4],[11] 12.90% [5],[6],[7],[8],[15]
Line of credit facility, available   $ 0 [1],[2],[3],[4],[11] $ 2,000 [5],[6],[7],[8],[15]
Investments owned, fair value   4,000 [11] 0 [15]
Investment, Identifier [Axis]: Nocturne Luxury Villas, Inc. – Preferred Stock      
Schedule of Investments [Line Items]      
Investments owned, fair value   $ 15,457 [11],[12] $ 16,263 [14],[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],[15]
Investment interest rate   14.50% [1],[2],[3],[4],[11],[23] 15.40% [5],[6],[7],[8],[15]
Investments owned, fair value   $ 61,100 [11],[23] $ 42,450 [15]
Investment, Identifier [Axis]: Nth Degree Investment Group, LLC – Common Stock      
Schedule of Investments [Line Items]      
Investments owned, fair value   $ 36,309 [11],[12] 15,243 [14],[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]   13.90%  
Investments owned, fair value [16]   $ 24,884  
Investment, Identifier [Axis]: Old World Christmas, Inc. – Preferred Stock      
Schedule of Investments [Line Items]      
Investments owned, fair value   $ 32,595 [11],[12] $ 33,990 [14],[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],[15]
Investment interest rate   14.90% [1],[2],[3],[4],[11] 14.40% [5],[6],[7],[8],[15]
Investments owned, fair value   $ 43,000 [11] $ 40,500 [15]
Investment, Identifier [Axis]: PSI Molded Plastics, Inc. – Preferred Stock      
Schedule of Investments [Line Items]      
Investments owned, fair value   $ 0 [11],[12] $ 0 [14],[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],[15]
Investment interest rate   10.90% [1],[2],[3],[4],[11] 10.40% [5],[6],[7],[8],[15]
Investments owned, fair value   $ 19,256 [11] $ 24,892 [15]
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   12.40% [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% 0.30% [1],[2],[3],[4],[11]  
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 [14],[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   16.40% [1],[2],[3],[4],[11] 15.90% [5],[6],[7],[8],[18]
Investments owned, fair value   $ 2,544 [11] $ 3,000 [18]
Investment, Identifier [Axis]: SFEG Holdings, Inc. – Common Stock      
Schedule of Investments [Line Items]      
Investments owned, fair value   $ 37,649 [11],[12] 0 [14],[15]
Investment, Identifier [Axis]: SFEG Holdings, Inc. – Preferred Stock      
Schedule of Investments [Line Items]      
Investments owned, fair value [14],[15]     $ 4,444
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],[15]
Investment interest rate   12.50% [1],[2],[3],[4],[11] 11.90% [5],[6],[7],[8],[15]
Investments owned, fair value   $ 54,644 [11] $ 3,128 [15]
Investment, Identifier [Axis]: SFEG Holdings, Inc. – Term Debt 2      
Schedule of Investments [Line Items]      
Investment, reference rate and spread [5],[6],[7],[8],[15]     7.00%
Investment interest rate [5],[6],[7],[8],[15]     11.90%
Investments owned, fair value [15]     $ 12,516
Investment, Identifier [Axis]: Schylling, Inc. – Preferred Stock      
Schedule of Investments [Line Items]      
Investments owned, fair value   $ 10,375 [11],[12] $ 18,922 [14],[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],[15]
Investment interest rate   16.40% [1],[2],[3],[4],[11] 15.90% [5],[6],[7],[8],[15]
Investments owned, fair value   $ 27,981 [11] $ 27,981 [15]
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]   10.90%  
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]   14.40%  
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   $ 6,392 [11],[12] $ 3,200 [14],[15]
Investment, Identifier [Axis]: The Maids International, LLC – Term Debt      
Schedule of Investments [Line Items]      
Investment, reference rate and spread [5],[6],[7],[8],[15]     10.50%
Investment interest rate [5],[6],[7],[8],[15]     15.40%
Investments owned, fair value [15]     $ 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]   15.90%  
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 [14],[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],[19] 5.00% [5],[6],[7],[8],[15],[20]
Investment interest rate   10.40% [1],[2],[3],[4],[11],[19] 9.90% [5],[6],[7],[8],[15],[20]
Line of credit facility, available   $ 0 [1],[2],[3],[4],[11],[19] $ 150 [5],[6],[7],[8],[15],[20]
Investments owned, fair value   0 [11],[19] 0 [15],[20]
Investment, Identifier [Axis]: The Mountain Corporation – Preferred Stock      
Schedule of Investments [Line Items]      
Investments owned, fair value   $ 0 [11],[12] $ 0 [14],[15]
Investment, Identifier [Axis]: The Mountain Corporation – Term Debt      
Schedule of Investments [Line Items]      
Investment, reference rate and spread [1],[2],[3],[4],[11],[19]   4.00%  
Investment interest rate [1],[2],[3],[4],[11],[19]   9.40%  
Investments owned, fair value [11],[19]   $ 0  
Investment, Identifier [Axis]: The Mountain Corporation – Term Debt      
Schedule of Investments [Line Items]      
Investment, reference rate and spread [5],[6],[7],[8],[15],[20]     4.00%
Investment interest rate [5],[6],[7],[8],[15],[20]     8.90%
Investments owned, fair value [15],[20]     $ 0
Investment, Identifier [Axis]: Utah Pacific Bridge & Steel, Ltd. - Preferred Stock      
Schedule of Investments [Line Items]      
Investments owned, fair value   $ 9,581 [11],[12] $ 7,748 [14],[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],[15]     10.00%
Investment interest rate [5],[6],[7],[8],[15]     14.90%
Investments owned, fair value [15]     $ 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]   15.40%  
Investments owned, fair value [11]   $ 18,250  
Non-Control/Non-Affiliate Investments      
Schedule of Investments [Line Items]      
Investment owned, percent of net assets   134.90% [1],[2],[3],[4],[24] 113.00% [5],[6],[7],[8],[25]
Investments owned, fair value   $ 620,338 [24] $ 496,875 [25]
Non-Control/Non-Affiliate Investments | Secured First Lien Debt      
Schedule of Investments [Line Items]      
Investment owned, percent of net assets   70.60% [1],[2],[3],[4],[24] 63.60% [5],[6],[7],[8],[25]
Investments owned, fair value   $ 324,528 [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   8.30% [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   $ 5,294 [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   18.00% [1],[2],[3],[4],[24] 25.10% [5],[6],[7],[8],[25]
Investments owned, fair value   $ 82,950 [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   4.30% [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   8.00% [1],[2],[3],[4],[24] 8.00% [5],[6],[7],[8],[25]
Investments owned, fair value   $ 36,703 [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   14.20% [1],[2],[3],[4],[24] 9.70% [5],[6],[7],[8],[25]
Investments owned, fair value   $ 65,100 [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   6.10% [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]   7.60%  
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]   2.90%  
Investments owned, fair value [24]   $ 13,500  
Non-Control/Non-Affiliate Investments | Secured Second Lien Debt      
Schedule of Investments [Line Items]      
Investment owned, percent of net assets   20.30% [1],[2],[3],[4],[24] 11.60% [5],[6],[7],[8],[25]
Investments owned, fair value   $ 93,340 [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   5.60% [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   2.80% [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   11.90% [1],[2],[3],[4],[24] 3.60% [5],[6],[7],[8],[25]
Investments owned, fair value [25]     $ 15,644
Non-Control/Non-Affiliate Investments | Preferred Equity      
Schedule of Investments [Line Items]      
Investment owned, percent of net assets   35.70% [1],[2],[3],[4],[24] 37.40% [5],[6],[7],[8],[25]
Investments owned, fair value   $ 164,241 [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   5.70% [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   5.50% [1],[2],[3],[4],[24] 11.60% [5],[6],[7],[8],[25]
Investments owned, fair value   $ 25,528 [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   6.60% [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   9.50% [1],[2],[3],[4],[24] 7.70% [5],[6],[7],[8],[25]
Investments owned, fair value   $ 43,599 [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   3.40% [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]   0.40%  
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 [5],[6],[7],[8],[25]     1.00%
Non-Control/Non-Affiliate Investments | Common Equity/ Equivalents      
Schedule of Investments [Line Items]      
Investment owned, percent of net assets   8.30% [1],[2],[3],[4],[24] 0.40% [5],[6],[7],[8],[25]
Investments owned, fair value   $ 38,229 [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   0.10% [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   8.20% [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   60.50% [1],[2],[3],[4],[26] 58.20% [5],[6],[7],[8],[27]
Investments owned, fair value   $ 278,226 [26] $ 255,955 [27]
Affiliate Investments | Secured First Lien Debt      
Schedule of Investments [Line Items]      
Investment owned, percent of net assets   32.00% [1],[2],[3],[4],[26] 35.80% [5],[6],[7],[8],[27]
Investments owned, fair value   $ 147,354 [26] $ 157,769 [27]
Affiliate Investments | Secured First Lien Debt | Diversified/Conglomerate Manufacturing      
Schedule of Investments [Line Items]      
Investment owned, percent of net assets [5],[6],[7],[8],[27]     1.00%
Affiliate Investments | Secured First Lien Debt | Diversified/Conglomerate Services      
Schedule of Investments [Line Items]      
Investment owned, percent of net assets   16.80% [1],[2],[3],[4],[26] 17.70% [5],[6],[7],[8],[27]
Investments owned, fair value   $ 77,223 [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   9.30% [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   4.00% [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   1.90% [1],[2],[3],[4],[26] 3.80% [5],[6],[7],[8],[27]
Investments owned, fair value   $ 8,881 [26] $ 16,800 [27]
Affiliate Investments | Secured Second Lien Debt      
Schedule of Investments [Line Items]      
Investment owned, percent of net assets   9.60% [1],[2],[3],[4],[26] 5.70% [5],[6],[7],[8],[27]
Investments owned, fair value   $ 44,140 [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]   5.40%  
Affiliate Investments | Secured Second Lien Debt | Chemicals, Plastics, and Rubber      
Schedule of Investments [Line Items]      
Investment owned, percent of net assets   4.20% [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   11.00% [1],[2],[3],[4],[26] 13.20% [5],[6],[7],[8],[27]
Investments owned, fair value   $ 50,423 [26] $ 58,051 [27]
Affiliate Investments | Preferred Equity | Diversified/Conglomerate Manufacturing      
Schedule of Investments [Line Items]      
Investment owned, percent of net assets [5],[6],[7],[8],[27]     0.00%
Affiliate Investments | Preferred Equity | Diversified/Conglomerate Services      
Schedule of Investments [Line Items]      
Investment owned, percent of net assets   1.80% [1],[2],[3],[4],[26] 3.20% [5],[6],[7],[8],[27]
Investments owned, fair value   $ 8,247 [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   7.10% [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   2.10% [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   7.90% [1],[2],[3],[4],[26] 3.50% [5],[6],[7],[8],[27]
Investments owned, fair value   $ 36,309 [26] $ 15,243 [27]
Affiliate Investments | Common Equity/ Equivalents | Diversified/Conglomerate Services      
Schedule of Investments [Line Items]      
Investment owned, percent of net assets   7.90% [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   0.90% [1],[2],[3],[4],[28] 0.20% [5],[6],[7],[8],[29]
Investments owned, fair value   $ 4,244 [28] $ 713 [29]
Control Investments | Secured First Lien Debt      
Schedule of Investments [Line Items]      
Investment owned, percent of net assets   0.90% [1],[2],[3],[4],[28] 0.00% [5],[6],[7],[8],[29]
Investments owned, fair value   $ 4,244 [28] $ 0 [29]
Control Investments | Secured First Lien Debt | Diversified/Conglomerate Manufacturing      
Schedule of Investments [Line Items]      
Investment owned, percent of net assets [1],[2],[3],[4],[28]   0.90%  
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 | Diversified/Conglomerate Manufacturing      
Schedule of Investments [Line Items]      
Investment owned, percent of net assets [1],[2],[3],[4],[28]   0.00%  
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] Category percentages represent the fair value of each category and subcategory as a percentage of net assets as of December 31, 2023.
[2] Certain of the securities listed are issued by affiliate(s) of the indicated portfolio company. The majority of the securities listed, totaling $702.9 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 December 31, 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.
[3] Unless indicated otherwise, all cash interest rates are indexed to 30 day Secured Overnight Financing Rate ("SOFR"), which was 5.4% as of December 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 the reference rate plus a spread. Due dates represent the contractual maturity date.
[4] 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.
[5] Category percentages represent the fair value of each category and subcategory as a percentage of net assets as of March 31, 2023.
[6] 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.
[7] 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.
[8] 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.
[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] 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.
[14] Security is non-income producing.
[15] 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.
[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 even 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.