Quarterly report pursuant to Section 13 or 15(d)

INVESTMENTS - Narrative (Details)

v3.22.4
INVESTMENTS - Narrative (Details)
$ in Thousands
 1 Months Ended 3 Months Ended 9 Months Ended
Nov. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
portfolio_company
industry
state
Nov. 30, 2022
USD ($)
Oct. 31, 2022
USD ($)
Aug. 31, 2022
USD ($)
Jul. 31, 2022
USD ($)
Jun. 30, 2022
USD ($)
May 31, 2022
USD ($)
May 31, 2014
USD ($)
Dec. 31, 2022
USD ($)
portfolio_company
industry
state
Dec. 31, 2021
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Dec. 31, 2022
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portfolio_company
industry
state
Dec. 31, 2021
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Mar. 31, 2022
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Aug. 31, 2012
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Summary of Investment Holdings [Line Items]                              
Purchase of investments                       $ 133,506 $ 84,550    
Success fee income                   $ 1,061 $ 3,398 7,794 8,080    
Principal repayments of investments                       50,300 46,898    
Cost   $ 722,380               722,380   722,380   $ 669,248 [1]  
Dividend income                   4,466 0 10,847 1,592    
Net realized gain (loss)                   $ 3,844 $ 22,049 $ 10,598 $ 22,444    
Number of investment portfolio company | portfolio_company   25               25   25      
Number of states which have invested in the company location | state   19               19   19      
Number of industries that have made investments | industry   14               14   14      
Investments owned, fair value   $ 760,463               $ 760,463   $ 760,463   714,396 [1]  
Uncollectible receivables allowance, minimum required day for uncollectible adjustment                       90 days      
Gross receivables from portfolio companies   2,500               2,500   $ 2,500   1,700  
Allowance for uncollectible receivables   1,500               1,500   1,500   1,300  
Investment Portfolio Benchmark | Customer Concentration Risk | Five Largest Portfolio Investments                              
Summary of Investment Holdings [Line Items]                              
Investments owned, fair value   328,700               328,700   $ 328,700      
Concentration risk, percentage                       43.20%      
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Common Stock Warrants                              
Summary of Investment Holdings [Line Items]                              
Cost [2],[3],[4]                           0  
Investments owned, fair value [2],[3],[4]                           921  
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Line of Credit                              
Summary of Investment Holdings [Line Items]                              
Cost   $ 2,800 [5],[6]               $ 2,800 [5],[6]   $ 2,800 [5],[6]   $ 2,800 [3],[4],[7]  
Investment, reference rate and spread   11.00% [5],[6],[8],[9],[10],[11]               11.00% [5],[6],[8],[9],[10],[11]   11.00% [5],[6],[8],[9],[10],[11]   11.00% [3],[4],[7],[12],[13],[14],[15]  
Investments owned, fair value   $ 2,800 [5],[6]               $ 2,800 [5],[6]   $ 2,800 [5],[6]   $ 2,800 [3],[4],[7]  
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Preferred Stock                              
Summary of Investment Holdings [Line Items]                              
Cost [2],[3],[4]                           4,722  
Investments owned, fair value [2],[3],[4]                           14,746  
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Term Debt                              
Summary of Investment Holdings [Line Items]                              
Cost [3],[4],[7]                           $ 14,000  
Investment, reference rate and spread [3],[4],[7],[12],[13],[14],[15]                           11.00%  
Investments owned, fair value [3],[4],[7]                           $ 14,000  
Investment, Identifier [Axis]: B+T Group Acquisition, Inc.(L) – Common Stock Warrants                              
Summary of Investment Holdings [Line Items]                              
Cost [5],[6],[16],[17]   0               0   0      
Investments owned, fair value [5],[6],[16],[17]   0               0   0      
Investment, Identifier [Axis]: B+T Group Acquisition, Inc.(L) – Term Debt 2                              
Summary of Investment Holdings [Line Items]                              
Cost [5],[6]   $ 14,000               $ 14,000   $ 14,000      
Investment, reference rate and spread [5],[6],[8],[9],[10],[11]   11.00%               11.00%   11.00%      
Investments owned, fair value [5],[6]   $ 14,000               $ 14,000   $ 14,000      
Investment, Identifier [Axis]: B+T Group Acquisition, Inc.– Preferred Stock                              
Summary of Investment Holdings [Line Items]                              
Cost [5],[6],[17]   4,722               4,722   4,722      
Investments owned, fair value [5],[6],[17]   2,653               2,653   2,653      
Investment, Identifier [Axis]: Bassett Creek Services, Inc.                              
Summary of Investment Holdings [Line Items]                              
Success fee income             $ 3,000                
Realized gain on preferred equity             4,700                
Net proceeds from the sale of investments             57,600                
Principal repayments of investments             48,000                
Investment, Identifier [Axis]: Bassett Creek Services, Inc. – Preferred Stock                              
Summary of Investment Holdings [Line Items]                              
Cost [2],[3]                           4,900  
Investments owned, fair value [2],[3]                           17,150  
Investment, Identifier [Axis]: Bassett Creek Services, Inc. – Term Debt                              
Summary of Investment Holdings [Line Items]                              
Cost [3]                           $ 48,000  
Investment, reference rate and spread [3],[12],[13],[14],[15]                           10.00%  
Investments owned, fair value [3]                           $ 48,000  
Investment, Identifier [Axis]: Brunswick Bowling Products, Inc. – Preferred Stock                              
Summary of Investment Holdings [Line Items]                              
Cost   6,653 [5],[17]               6,653 [5],[17]   6,653 [5],[17]   6,653 [2],[3]  
Investments owned, fair value   35,255 [5],[17]               35,255 [5],[17]   35,255 [5],[17]   21,485 [2],[3]  
Investment, Identifier [Axis]: Brunswick Bowling Products, Inc. – Term Debt 1                              
Summary of Investment Holdings [Line Items]                              
Cost   $ 17,700 [5]               $ 17,700 [5]   $ 17,700 [5]   $ 17,700 [3]  
Investment, reference rate and spread   10.00% [5],[8],[9],[10],[11]               10.00% [5],[8],[9],[10],[11]   10.00% [5],[8],[9],[10],[11]   10.00% [3],[12],[13],[14],[15]  
Investments owned, fair value   $ 17,700 [5]               $ 17,700 [5]   $ 17,700 [5]   $ 17,700 [3]  
Investment, Identifier [Axis]: Brunswick Bowling Products, Inc. – Term Debt 2                              
Summary of Investment Holdings [Line Items]                              
Cost   $ 6,850 [5]               $ 6,850 [5]   $ 6,850 [5]   $ 6,850 [3]  
Investment, reference rate and spread   10.00% [5],[8],[9],[10],[11]               10.00% [5],[8],[9],[10],[11]   10.00% [5],[8],[9],[10],[11]   10.00% [3],[12],[13],[14],[15]  
Investments owned, fair value   $ 6,850 [5]               $ 6,850 [5]   $ 6,850 [5]   $ 6,850 [3]  
Investment, Identifier [Axis]: Counsel Press, Inc. – Preferred Stock                              
Summary of Investment Holdings [Line Items]                              
Cost   6,995 [5],[17]               6,995 [5],[17]   6,995 [5],[17]   6,995 [2],[3]  
Investments owned, fair value   27,539 [5],[17]               27,539 [5],[17]   27,539 [5],[17]   25,374 [2],[3]  
Investment, Identifier [Axis]: Counsel Press, Inc. – Term Debt 1                              
Summary of Investment Holdings [Line Items]                              
Cost   $ 21,100 [5]               $ 21,100 [5]   $ 21,100 [5]   $ 21,100 [3]  
Investment, reference rate and spread   11.80% [5],[8],[9],[10],[11]               11.80% [5],[8],[9],[10],[11]   11.80% [5],[8],[9],[10],[11]   11.80% [3],[12],[13],[14],[15]  
Investments owned, fair value   $ 21,100 [5]               $ 21,100 [5]   $ 21,100 [5]   $ 21,100 [3]  
Investment, Identifier [Axis]: Counsel Press, Inc. – Term Debt 2                              
Summary of Investment Holdings [Line Items]                              
Cost   $ 6,400 [5]               $ 6,400 [5]   $ 6,400 [5]   $ 6,400 [3]  
Investment, reference rate and spread   13.00% [5],[8],[9],[10],[11]               13.00% [5],[8],[9],[10],[11]   13.00% [5],[8],[9],[10],[11]   13.00% [3],[12],[13],[14],[15]  
Investments owned, fair value   $ 6,400 [5]               $ 6,400 [5]   $ 6,400 [5]   $ 6,400 [3]  
Investment, Identifier [Axis]: Country Club Enterprises, LLC - Guaranty                              
Summary of Investment Holdings [Line Items]                              
Cost [18]                           0  
Investments owned, fair value [18]                           0  
Investment, Identifier [Axis]: Country Club Enterprises, LLC – Guaranty                              
Summary of Investment Holdings [Line Items]                              
Success fee income     $ 1,100                        
Principal repayments of investments $ 1,500                            
Investment, Identifier [Axis]: Country Club Enterprises, LLC – Term Debt                              
Summary of Investment Holdings [Line Items]                              
Cost [19]                           $ 1,500  
Investment, reference rate and spread [12],[13],[14],[15],[19]                           8.00%  
Investments owned, fair value [19]                           $ 1,498  
Investment, Identifier [Axis]: Dema/Mai Holdings, Inc - Preferred Equity                              
Summary of Investment Holdings [Line Items]                              
Cost [5],[17]   21,000               21,000   21,000      
Investments owned, fair value [5],[17]   24,877               24,877   24,877      
Investment, Identifier [Axis]: Dema/Mai Holdings, Inc – Term Debt                              
Summary of Investment Holdings [Line Items]                              
Cost [5]   $ 38,250               $ 38,250   $ 38,250      
Investment, reference rate and spread [5],[8],[9],[10],[11]   11.00%               11.00%   11.00%      
Investments owned, fair value [5]   $ 38,250               $ 38,250   $ 38,250      
Investment, Identifier [Axis]: Dema/Mai Holdings, Inc.                              
Summary of Investment Holdings [Line Items]                              
Purchase of investments           $ 39,100 $ 21,000                
Investment, Identifier [Axis]: Diligent Delivery Systems – Common Stock Warrants                              
Summary of Investment Holdings [Line Items]                              
Cost   500 [5],[17]               500 [5],[17]   500 [5],[17]   500 [2],[3]  
Investments owned, fair value   2,249 [5],[17]               2,249 [5],[17]   2,249 [5],[17]   1,533 [2],[3]  
Investment, Identifier [Axis]: Diligent Delivery Systems – Term Debt                              
Summary of Investment Holdings [Line Items]                              
Cost   $ 13,000 [20]               $ 13,000 [20]   $ 13,000 [20]   $ 12,987 [19]  
Investment, reference rate and spread   9.00% [8],[9],[10],[11],[20]               9.00% [8],[9],[10],[11],[20]   9.00% [8],[9],[10],[11],[20]   9.00% [12],[13],[14],[15],[19]  
Investments owned, fair value   $ 13,016 [20]               $ 13,016 [20]   $ 13,016 [20]   $ 13,000 [19]  
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. – Preferred Stock                              
Summary of Investment Holdings [Line Items]                              
Cost   8,199 [5],[6],[17]               8,199 [5],[6],[17]   8,199 [5],[6],[17]   8,199 [2],[3],[4],[7]  
Investments owned, fair value   0 [5],[6],[17]               0 [5],[6],[17]   0 [5],[6],[17]   0 [2],[3],[4],[7]  
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. – Term Debt                              
Summary of Investment Holdings [Line Items]                              
Cost [4],[19]                           $ 9,210  
Investment, reference rate and spread [4],[12],[13],[14],[15],[19]                           5.50%  
Investments owned, fair value [4],[19]                           $ 9,072  
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc.– Term Debt                              
Summary of Investment Holdings [Line Items]                              
Cost [5],[6],[21]   $ 9,210               $ 9,210   $ 9,210      
Investment, reference rate and spread [5],[6],[8],[9],[10],[11]   5.50%               5.50%   5.50%      
Investments owned, fair value [5],[6],[21]   $ 3,677               $ 3,677   $ 3,677      
Investment, Identifier [Axis]: Educators Resource, Inc. – Preferred Stock                              
Summary of Investment Holdings [Line Items]                              
Cost   8,560 [5],[17]               8,560 [5],[17]   8,560 [5],[17]   8,560 [2],[3]  
Investments owned, fair value   17,638 [5],[17]               17,638 [5],[17]   17,638 [5],[17]   19,252 [2],[3]  
Investment, Identifier [Axis]: Educators Resource, Inc. – Term Debt                              
Summary of Investment Holdings [Line Items]                              
Cost   $ 20,000 [5]               $ 20,000 [5]   $ 20,000 [5]   $ 20,000 [3]  
Investment, reference rate and spread   10.50% [5],[8],[9],[10],[11]               10.50% [5],[8],[9],[10],[11]   10.50% [5],[8],[9],[10],[11]   10.50% [3],[12],[13],[14],[15]  
Investments owned, fair value   $ 20,000 [5]               $ 20,000 [5]   $ 20,000 [5]   $ 20,000 [3]  
Investment, Identifier [Axis]: Funko Acquisition Holdings, LLC – Common Units                              
Summary of Investment Holdings [Line Items]                              
Cost   21 [6],[17],[22]               21 [6],[17],[22]   21 [6],[17],[22]   30 [2],[4],[23],[24]  
Investments owned, fair value   31 [6],[17],[22]               31 [6],[17],[22]   31 [6],[17],[22]   74 [2],[4],[23],[24]  
Investment, Identifier [Axis]: Galaxy Technologies Holdings, Inc. – Common Stock                              
Summary of Investment Holdings [Line Items]                              
Cost   11,513 [5],[17]               11,513 [5],[17]   11,513 [5],[17]   11,513 [2],[3]  
Investments owned, fair value   0 [5],[17]               0 [5],[17]   0 [5],[17]   0 [2],[3]  
Investment, Identifier [Axis]: Galaxy Technologies Holdings, Inc. – Term Debt 1                              
Summary of Investment Holdings [Line Items]                              
Cost   $ 6,900 [5]               $ 6,900 [5]   $ 6,900 [5]   $ 6,500 [3]  
Investment, reference rate and spread   4.10% [5],[8],[9],[10],[11]               4.10% [5],[8],[9],[10],[11]   4.10% [5],[8],[9],[10],[11]   4.10% [3],[12],[13],[14],[15]  
Investments owned, fair value   $ 5,610 [5]               $ 5,610 [5]   $ 5,610 [5]   $ 6,500 [3]  
Investment, Identifier [Axis]: Galaxy Technologies Holdings, Inc. – Term Debt 2                              
Summary of Investment Holdings [Line Items]                              
Cost   $ 18,796 [5]               $ 18,796 [5]   $ 18,796 [5]   $ 18,796 [3]  
Investment, reference rate and spread   7.00% [5],[8],[9],[10],[11]               7.00% [5],[8],[9],[10],[11]   7.00% [5],[8],[9],[10],[11]   7.00% [3],[12],[13],[14],[15]  
Investments owned, fair value   $ 15,281 [5]               $ 15,281 [5]   $ 15,281 [5]   $ 18,796 [3]  
Investment, Identifier [Axis]: Ginsey Home Solutions, Inc.                              
Summary of Investment Holdings [Line Items]                              
Purchase of investments         $ 4,000                    
Cost                             $ 5,000
Payment to extinguish secured borrowing liability         5,100                    
Investment, Identifier [Axis]: Ginsey Home Solutions, Inc. – Common Stock                              
Summary of Investment Holdings [Line Items]                              
Cost   8 [5],[17]               8 [5],[17]   8 [5],[17]   8 [2],[3]  
Investments owned, fair value   0 [5],[17]               0 [5],[17]   0 [5],[17]   0 [2],[3]  
Investment, Identifier [Axis]: Ginsey Home Solutions, Inc. – Preferred Stock                              
Summary of Investment Holdings [Line Items]                              
Cost   9,583 [5],[17]               9,583 [5],[17]   9,583 [5],[17]   9,583 [2],[3]  
Investments owned, fair value   0 [5],[17]               0 [5],[17]   0 [5],[17]   $ 3,263 [2],[3]  
Investment, Identifier [Axis]: Ginsey Home Solutions, Inc. – Term Debt                              
Summary of Investment Holdings [Line Items]                              
Cost [5]   $ 12,200               $ 12,200   $ 12,200      
Investment, reference rate and spread   10.00% [5],[8],[9],[10],[11]               10.00% [5],[8],[9],[10],[11]   10.00% [5],[8],[9],[10],[11]   10.00% [4],[12],[13],[14],[15],[25]  
Investments owned, fair value   $ 12,200 [5]               $ 12,200 [5]   $ 12,200 [5]   $ 13,300 [4],[25]  
Investment, Identifier [Axis]: Gladstone SOG Investments, Inc. - Common Stock(                              
Summary of Investment Holdings [Line Items]                              
Cost [5],[17]   620               620   620      
Investments owned, fair value [5],[17]   713               713   713      
Investment, Identifier [Axis]: Horizon Facilities Services, Inc.                              
Summary of Investment Holdings [Line Items]                              
Realized gain on preferred equity                       12,300      
Investment, Identifier [Axis]: Horizon Facilities Services, Inc. – Preferred Stock                              
Summary of Investment Holdings [Line Items]                              
Cost   0 [5],[17]               0 [5],[17]   0 [5],[17]   10,080 [2],[3]  
Investments owned, fair value   13,188 [5],[17]               13,188 [5],[17]   13,188 [5],[17]   17,807 [2],[3]  
Investment, Identifier [Axis]: Horizon Facilities Services, Inc. – Term Debt                              
Summary of Investment Holdings [Line Items]                              
Cost   $ 57,700 [5]               $ 57,700 [5]   $ 57,700 [5]   $ 27,700 [3]  
Investment, reference rate and spread   7.50% [5],[8],[9],[10],[11]               7.50% [5],[8],[9],[10],[11]   7.50% [5],[8],[9],[10],[11]   9.50% [3],[12],[13],[14],[15]  
Investments owned, fair value   $ 57,700 [5]               $ 57,700 [5]   $ 57,700 [5]   $ 27,700 [3]  
Investment, Identifier [Axis]: ImageWorks Display and Marketing Group, Inc. – Preferred Stock                              
Summary of Investment Holdings [Line Items]                              
Cost   6,749 [5],[17]               6,749 [5],[17]   6,749 [5],[17]   6,749 [2],[3],[7]  
Investments owned, fair value   13,131 [5],[17]               13,131 [5],[17]   13,131 [5],[17]   16,405 [2],[3],[7]  
Investment, Identifier [Axis]: ImageWorks Display and Marketing Group, Inc. – Term Debt                              
Summary of Investment Holdings [Line Items]                              
Cost   $ 22,000 [5]               $ 22,000 [5]   $ 22,000 [5]   $ 22,000 [3],[7]  
Investment, reference rate and spread   11.00% [5],[8],[9],[10],[11]               11.00% [5],[8],[9],[10],[11]   11.00% [5],[8],[9],[10],[11]   11.00% [3],[7],[12],[13],[14],[15]  
Investments owned, fair value   $ 22,000 [5]               $ 22,000 [5]   $ 22,000 [5]   $ 22,000 [3],[7]  
Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC - Guaranty                              
Summary of Investment Holdings [Line Items]                              
Cost [7],[18]                           0  
Investments owned, fair value [7],[18]                           0  
Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC - Term Debt 1                              
Summary of Investment Holdings [Line Items]                              
Cost   $ 16,500 [5],[21]               $ 16,500 [5],[21]   $ 16,500 [5],[21]   $ 16,500 [3],[7],[26]  
Investment, reference rate and spread   6.00% [5],[8],[9],[10],[11],[21]               6.00% [5],[8],[9],[10],[11],[21]   6.00% [5],[8],[9],[10],[11],[21]   6.00% [3],[7],[12],[13],[14],[15],[26]  
Investments owned, fair value   $ 10,556 [5],[21]               $ 10,556 [5],[21]   $ 10,556 [5],[21]   $ 15,023 [3],[7],[26]  
Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC - Term Debt 2                              
Summary of Investment Holdings [Line Items]                              
Cost [3],[7],[26]                           $ 26,000  
Investment, reference rate and spread [3],[7],[12],[13],[14],[15],[26]                           10.30%  
Investments owned, fair value [3],[7],[26]                           $ 23,672  
Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC - Term Debt 3                              
Summary of Investment Holdings [Line Items]                              
Cost [3],[7],[26]                           $ 2,438  
Investment, reference rate and spread [3],[7],[12],[13],[14],[15],[26]                           6.00%  
Investments owned, fair value [3],[7],[26]                           $ 2,219  
Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC – Line of Credit                              
Summary of Investment Holdings [Line Items]                              
Cost [5],[21]   $ 5,000               $ 5,000   $ 5,000      
Investment, reference rate and spread [5],[8],[9],[10],[11],[21]   6.00%               6.00%   6.00%      
Investments owned, fair value [5],[21]   $ 3,199               $ 3,199   $ 3,199      
Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC – Term Debt 2                              
Summary of Investment Holdings [Line Items]                              
Cost [5],[21]   $ 26,000               $ 26,000   $ 26,000      
Investment, reference rate and spread [5],[8],[9],[10],[11],[21]   10.30%               10.30%   10.30%      
Investments owned, fair value [5],[21]   $ 16,634               $ 16,634   $ 16,634      
Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC – Term Debt 3                              
Summary of Investment Holdings [Line Items]                              
Cost [5],[21]   $ 2,438               $ 2,438   $ 2,438      
Investment, reference rate and spread [5],[8],[9],[10],[11],[21]   6.00%               6.00%   6.00%      
Investments owned, fair value [5],[21]   $ 1,560               $ 1,560   $ 1,560      
Investment, Identifier [Axis]: J.R. Hobbs Co. – Atlanta, LLC – Preferred Stock                              
Summary of Investment Holdings [Line Items]                              
Cost   10,920 [5],[17]               10,920 [5],[17]   10,920 [5],[17]   10,920 [2],[3],[7]  
Investments owned, fair value   0 [5],[17]               0 [5],[17]   0 [5],[17]   0 [2],[3],[7]  
Investment, Identifier [Axis]: Mason West, LLC – Preferred Stock                              
Summary of Investment Holdings [Line Items]                              
Cost   11,206 [5],[17]               11,206 [5],[17]   11,206 [5],[17]   11,206 [2],[3]  
Investments owned, fair value   10,896 [5],[17]               10,896 [5],[17]   10,896 [5],[17]   7,553 [2],[3]  
Investment, Identifier [Axis]: Mason West, LLC – Term Debt                              
Summary of Investment Holdings [Line Items]                              
Cost   $ 25,250 [5]               $ 25,250 [5]   $ 25,250 [5]   $ 25,250 [3]  
Investment, reference rate and spread   10.00% [5],[8],[9],[10],[11]               10.00% [5],[8],[9],[10],[11]   10.00% [5],[8],[9],[10],[11]   10.00% [3],[12],[13],[14],[15]  
Investments owned, fair value   $ 25,250 [5]               $ 25,250 [5]   $ 25,250 [5]   $ 25,250 [3]  
Investment, Identifier [Axis]: Nocturne Villa Rentals, Inc. – Line of Credit                              
Summary of Investment Holdings [Line Items]                              
Cost   $ 2,000 [5]               $ 2,000 [5]   $ 2,000 [5]   $ 0 [3]  
Investment, reference rate and spread   8.00% [5],[8],[9],[10],[11]               8.00% [5],[8],[9],[10],[11]   8.00% [5],[8],[9],[10],[11]   8.00% [3],[12],[13],[14],[15]  
Investments owned, fair value   $ 2,000 [5]               $ 2,000 [5]   $ 2,000 [5]   $ 0 [3]  
Investment, Identifier [Axis]: Nocturne Villa Rentals, Inc. – Preferred Stock                              
Summary of Investment Holdings [Line Items]                              
Cost   6,600 [5],[17]               6,600 [5],[17]   6,600 [5],[17]   6,600 [2],[3]  
Investments owned, fair value   14,858 [5],[17]               14,858 [5],[17]   14,858 [5],[17]   10,223 [2],[3]  
Investment, Identifier [Axis]: Nocturne Villa Rentals, Inc. – Term Debt                              
Summary of Investment Holdings [Line Items]                              
Cost   $ 42,450 [5]               $ 42,450 [5]   $ 42,450 [5]   $ 27,700 [3]  
Investment, reference rate and spread   10.50% [5],[8],[9],[10],[11]               10.50% [5],[8],[9],[10],[11]   10.50% [5],[8],[9],[10],[11]   10.50% [3],[12],[13],[14],[15]  
Investments owned, fair value   $ 42,450 [5]               $ 42,450 [5]   $ 42,450 [5]   $ 27,700 [3]  
Investment, Identifier [Axis]: Nth Degree Investment Group, LLC – Common Stock                              
Summary of Investment Holdings [Line Items]                              
Cost   1,219 [5],[17]               1,219 [5],[17]   1,219 [5],[17]   1,219 [2],[3]  
Investments owned, fair value   12,036 [5],[17]               12,036 [5],[17]   12,036 [5],[17]   511 [2],[3]  
Investment, Identifier [Axis]: Old World Christmas, Inc.                              
Summary of Investment Holdings [Line Items]                              
Realized gain on preferred equity   13,400               13,400   13,400      
Proceeds from equity   17,900                          
Dividend income   4,500                          
Investment, Identifier [Axis]: Old World Christmas, Inc. – Preferred Stock                              
Summary of Investment Holdings [Line Items]                              
Cost   0 [5],[17]               0 [5],[17]   0 [5],[17]   0 [2],[3],[7]  
Investments owned, fair value   35,028 [5],[17]               35,028 [5],[17]   35,028 [5],[17]   37,842 [2],[3],[7]  
Investment, Identifier [Axis]: Old World Christmas, Inc. – Secured First Lien Term Loan                              
Summary of Investment Holdings [Line Items]                              
Cost   $ 40,500 [5]               $ 40,500 [5]   $ 40,500 [5]   $ 25,000 [3],[7]  
Investment, reference rate and spread   9.50% [5],[8],[9],[10],[11]               9.50% [5],[8],[9],[10],[11]   9.50% [5],[8],[9],[10],[11]   9.50% [3],[7],[12],[13],[14],[15]  
Investments owned, fair value   $ 40,500 [5]               $ 40,500 [5]   $ 40,500 [5]   $ 25,000 [3],[7]  
Investment, Identifier [Axis]: PSI Molded Plastics, Inc. – Preferred Stock                              
Summary of Investment Holdings [Line Items]                              
Cost [2],[3],[7]                           19,730  
Investments owned, fair value [2],[3],[7]                           0  
Investment, Identifier [Axis]: PSI Molded Plastics, Inc. – Preferred Stock(                              
Summary of Investment Holdings [Line Items]                              
Cost [5],[17]   19,730               19,730   19,730      
Investments owned, fair value [5],[17]   0               0   0      
Investment, Identifier [Axis]: PSI Molded Plastics, Inc. – Term Debt                              
Summary of Investment Holdings [Line Items]                              
Cost   $ 26,618 [5]               $ 26,618 [5]   $ 26,618 [5]   $ 26,618 [3]  
Investment, reference rate and spread   5.50% [5],[8],[9],[10],[11]               5.50% [5],[8],[9],[10],[11]   5.50% [5],[8],[9],[10],[11]   5.50% [3],[12],[13],[14],[15]  
Investments owned, fair value   $ 26,618 [5]               $ 26,618 [5]   $ 26,618 [5]   $ 26,618 [3]  
Investment, Identifier [Axis]: Phoenix Door Systems, Inc – Line of Credit                              
Summary of Investment Holdings [Line Items]                              
Cost [20]   $ 2,550               $ 2,550   $ 2,550      
Investment, reference rate and spread [8],[9],[10],[11],[20]   7.00%               7.00%   7.00%      
Investments owned, fair value [20]   $ 2,423               $ 2,423   $ 2,423      
Investment, Identifier [Axis]: Phoenix Door Systems, Inc – Line of Credit,                              
Summary of Investment Holdings [Line Items]                              
Cost [19]                           $ 2,000  
Investment, reference rate and spread [12],[13],[14],[15],[19]                           7.00%  
Investments owned, fair value [19]                           $ 1,920  
Investment, Identifier [Axis]: Phoenix Door Systems, Inc. – Common Stock                              
Summary of Investment Holdings [Line Items]                              
Cost   1,830 [5],[17]               1,830 [5],[17]   1,830 [5],[17]   1,452 [2],[3]  
Investments owned, fair value   0 [5],[17]               0 [5],[17]   0 [5],[17]   0 [2],[3]  
Investment, Identifier [Axis]: Phoenix Door Systems, Inc. – Term Debt                              
Summary of Investment Holdings [Line Items]                              
Cost   $ 3,200 [20]               $ 3,200 [20]   $ 3,200 [20]   $ 3,200 [19]  
Investment, reference rate and spread   11.00% [8],[9],[10],[11],[20]               11.00% [8],[9],[10],[11],[20]   11.00% [8],[9],[10],[11],[20]   11.00% [12],[13],[14],[15],[19]  
Investments owned, fair value   $ 3,040 [20]               $ 3,040 [20]   $ 3,040 [20]   $ 3,072 [19]  
Investment, Identifier [Axis]: SFEG Holdings, Inc. – Common Stock                              
Summary of Investment Holdings [Line Items]                              
Cost   222 [5],[17]               222 [5],[17]   222 [5],[17]   222 [2],[3],[24]  
Investments owned, fair value   0 [5],[17]               0 [5],[17]   0 [5],[17]   0 [2],[3],[24]  
Investment, Identifier [Axis]: SFEG Holdings, Inc. – Preferred Stock                              
Summary of Investment Holdings [Line Items]                              
Cost   4,643 [5],[17]               4,643 [5],[17]   4,643 [5],[17]   4,643 [2],[3]  
Investments owned, fair value   2,465 [5],[17]               2,465 [5],[17]   2,465 [5],[17]   0 [2],[3]  
Investment, Identifier [Axis]: SFEG Holdings, Inc. – Term Debt 1                              
Summary of Investment Holdings [Line Items]                              
Cost   $ 3,128 [5]               $ 3,128 [5]   $ 3,128 [5]   $ 3,128 [19],[26]  
Investment, reference rate and spread   7.00% [5],[8],[9],[10],[11]               7.00% [5],[8],[9],[10],[11]   7.00% [5],[8],[9],[10],[11]   7.00% [12],[13],[14],[15],[19],[26]  
Investments owned, fair value   $ 3,128 [5]               $ 3,128 [5]   $ 3,128 [5]   $ 2,909 [19],[26]  
Investment, Identifier [Axis]: SFEG Holdings, Inc. – Term Debt 2                              
Summary of Investment Holdings [Line Items]                              
Cost   $ 12,516 [5]               $ 12,516 [5]   $ 12,516 [5]   $ 11,736 [19],[26]  
Investment, reference rate and spread   7.00% [5],[8],[9],[10],[11]               7.00% [5],[8],[9],[10],[11]   7.00% [5],[8],[9],[10],[11]   7.00% [12],[13],[14],[15],[19],[26]  
Investments owned, fair value   $ 12,516 [5]               $ 12,516 [5]   $ 12,516 [5]   $ 10,914 [19],[26]  
Investment, Identifier [Axis]: Schylling, Inc. – Preferred Stock                              
Summary of Investment Holdings [Line Items]                              
Cost   4,000 [5],[17]               4,000 [5],[17]   4,000 [5],[17]   4,000 [2],[3]  
Investments owned, fair value   19,452 [5],[17]               19,452 [5],[17]   19,452 [5],[17]   17,820 [2],[3]  
Investment, Identifier [Axis]: Schylling, Inc. – Term Debt                              
Summary of Investment Holdings [Line Items]                              
Cost   $ 27,981 [5]               $ 27,981 [5]   $ 27,981 [5]   $ 27,981 [3]  
Investment, reference rate and spread   11.00% [5],[8],[9],[10],[11]               11.00% [5],[8],[9],[10],[11]   11.00% [5],[8],[9],[10],[11]   11.00% [3],[12],[13],[14],[15]  
Investments owned, fair value   $ 27,981 [5]               $ 27,981 [5]   $ 27,981 [5]   $ 27,981 [3]  
Investment, Identifier [Axis]: The Maids International, LLC – Preferred Stock                              
Summary of Investment Holdings [Line Items]                              
Cost   6,640 [5],[17]               6,640 [5],[17]   6,640 [5],[17]   6,640 [2],[3],[7]  
Investments owned, fair value   0 [5],[17]               0 [5],[17]   0 [5],[17]   2,679 [2],[3],[7]  
Investment, Identifier [Axis]: The Maids International, LLC – Term Debt                              
Summary of Investment Holdings [Line Items]                              
Cost [3],[7]                           $ 28,560  
Investment, reference rate and spread [3],[7],[12],[13],[14],[15]                           10.50%  
Investments owned, fair value [3],[7]                           $ 28,560  
Investment, Identifier [Axis]: The Maids International, LLC – Term Debt                              
Summary of Investment Holdings [Line Items]                              
Cost [5]   $ 28,560               $ 28,560   $ 28,560      
Investment, reference rate and spread [5],[8],[9],[10],[11]   10.50%               10.50%   10.50%      
Investments owned, fair value [5]   $ 28,560               $ 28,560   $ 28,560      
Investment, Identifier [Axis]: The Mountain Corporation 1                              
Summary of Investment Holdings [Line Items]                              
Cost [3],[7],[26]                           $ 3,400  
Investment, reference rate and spread [3],[7],[12],[13],[14],[15],[26]                           5.00%  
Investments owned, fair value [3],[7],[26]                           $ 3,400  
Investment, Identifier [Axis]: The Mountain Corporation 2                              
Summary of Investment Holdings [Line Items]                              
Cost [3],[7],[26]                           $ 800  
Investment, reference rate and spread [3],[7],[12],[13],[14],[15],[26]                           5.00%  
Investments owned, fair value [3],[7],[26]                           $ 800  
Investment, Identifier [Axis]: The Mountain Corporation – Common Stock                              
Summary of Investment Holdings [Line Items]                              
Cost   1 [5],[17]               1 [5],[17]   1 [5],[17]   1 [2],[3]  
Investments owned, fair value   0 [5],[17]               0 [5],[17]   0 [5],[17]   0 [2],[3]  
Investment, Identifier [Axis]: The Mountain Corporation – Delayed Draw Term Debt                              
Summary of Investment Holdings [Line Items]                              
Cost [3],[7],[26]                           $ 1,500  
Investment, reference rate and spread [3],[7],[12],[13],[14],[15],[26]                           4.00%  
Investments owned, fair value [3],[7],[26]                           $ 118  
Investment, Identifier [Axis]: The Mountain Corporation – Line of Credit 1                              
Summary of Investment Holdings [Line Items]                              
Cost [5],[21]   $ 3,400               $ 3,400   $ 3,400      
Investment, reference rate and spread [5],[8],[9],[10],[11],[21]   5.00%               5.00%   5.00%      
Investments owned, fair value [5],[21]   $ 2,411               $ 2,411   $ 2,411      
Investment, Identifier [Axis]: The Mountain Corporation – Line of Credit 2                              
Summary of Investment Holdings [Line Items]                              
Cost [5],[21]   $ 900               $ 900   $ 900      
Investment, reference rate and spread [5],[8],[9],[10],[11],[21]   5.00%               5.00%   5.00%      
Investments owned, fair value [5],[21]   $ 0               $ 0   $ 0      
Investment, Identifier [Axis]: The Mountain Corporation – Preferred Stock                              
Summary of Investment Holdings [Line Items]                              
Cost [2],[3]                           6,899  
Investments owned, fair value [2],[3]                           0  
Investment, Identifier [Axis]: The Mountain Corporation – Preferred Stock(                              
Summary of Investment Holdings [Line Items]                              
Cost [5],[17]   6,899               6,899   6,899      
Investments owned, fair value [5],[17]   0               0   0      
Investment, Identifier [Axis]: The Mountain Corporation – Term Debt                              
Summary of Investment Holdings [Line Items]                              
Cost [3],[7],[26]                           $ 11,700  
Investment, reference rate and spread [3],[7],[12],[13],[14],[15],[26]                           4.00%  
Investments owned, fair value [3],[7],[26]                           $ 923  
Investment, Identifier [Axis]: The Mountain Corporation – Term Debt                              
Summary of Investment Holdings [Line Items]                              
Cost [5],[21]   $ 3,200               $ 3,200   $ 3,200      
Investment, reference rate and spread [5],[8],[9],[10],[11],[21]   4.00%               4.00%   4.00%      
Investments owned, fair value [5],[21]   $ 0               $ 0   $ 0      
Investment, Identifier [Axis]: Utah Pacific Bridge & Steel, Ltd. - Preferred Stock                              
Summary of Investment Holdings [Line Items]                              
Cost   6,000 [5],[17]               6,000 [5],[17]   6,000 [5],[17]   6,000 [2],[3],[7]  
Investments owned, fair value   4,794 [5],[17]               4,794 [5],[17]   4,794 [5],[17]   6,000 [2],[3],[7]  
Investment, Identifier [Axis]: Utah Pacific Bridge & Steel, Ltd., 2                              
Summary of Investment Holdings [Line Items]                              
Cost [3],[7]                           $ 18,250  
Investment, reference rate and spread [3],[7],[12],[13],[14],[15]                           10.00%  
Investments owned, fair value [3],[7]                           $ 18,250  
Investment, Identifier [Axis]: Utah Pacific Bridge & Steel, Ltd., 1                              
Summary of Investment Holdings [Line Items]                              
Cost [3],[7]                           $ 0  
Investment, reference rate and spread [3],[7],[12],[13],[14],[15]                           8.50%  
Investments owned, fair value [3],[7]                           $ 0  
Investment, Identifier [Axis]: Utah Pacific Bridge & Steel, Ltd., 2                              
Summary of Investment Holdings [Line Items]                              
Cost [5]   $ 18,250               $ 18,250   $ 18,250      
Investment, reference rate and spread [5],[8],[9],[10],[11]   10.00%               10.00%   10.00%      
Investments owned, fair value [5]   $ 18,250               $ 18,250   $ 18,250      
Secured First Lien Debt                              
Summary of Investment Holdings [Line Items]                              
Cost   473,189               473,189   473,189   429,457  
Investments owned, fair value   447,491               447,491   447,491   425,087  
Secured First Lien Debt | Investment, Identifier [Axis]: Ginsey Home Solutions, Inc.                              
Summary of Investment Holdings [Line Items]                              
Cost         12,200                    
Secured First Lien Debt | Investment, Identifier [Axis]: Horizon Facilities Services, Inc.                              
Summary of Investment Holdings [Line Items]                              
Purchase of investments           30,000                  
Secured First Lien Debt | Investment, Identifier [Axis]: Nocturne Villa Rentals, Inc.                              
Summary of Investment Holdings [Line Items]                              
Purchase of investments       $ 8,400       $ 6,400              
Secured First Lien Debt | Investment, Identifier [Axis]: Old World Christmas, Inc.                              
Summary of Investment Holdings [Line Items]                              
Purchase of investments   15,500                          
Preferred Equity                              
Summary of Investment Holdings [Line Items]                              
Cost   149,099               149,099   149,099   143,079  
Investments owned, fair value   221,774               221,774   221,774   217,599  
Preferred Equity | Investment, Identifier [Axis]: Horizon Facilities Services, Inc.                              
Summary of Investment Holdings [Line Items]                              
Success fee income           1,700                  
Realized gain on preferred equity           2,200                  
Proceeds from equity           12,300                  
Cost           10,100                  
Dividend income           $ 3,100                  
Secured Second Lien Debt                              
Summary of Investment Holdings [Line Items]                              
Cost   84,158               84,158   84,158   81,147  
Investments owned, fair value   76,169               76,169   76,169   67,958  
Secured Second Lien Debt | Investment, Identifier [Axis]: Ginsey Home Solutions, Inc.                              
Summary of Investment Holdings [Line Items]                              
Purchase of investments                 $ 100            
Cost         $ 13,300                 $ 13,300 [4],[25]  
Secured Second Lien Debt | Investment, Identifier [Axis]: The Mountain Corporation                              
Summary of Investment Holdings [Line Items]                              
Purchase of investments   3,200                          
Cost   13,200               $ 13,200   $ 13,200      
Net realized gain (loss)   $ (10,000)                          
[1] Cumulative gross unrealized appreciation for federal income tax purposes is $140.8 million; cumulative gross unrealized depreciation for federal income tax purposes is $97.1 million. Cumulative net unrealized appreciation is $43.8 million, based on a tax cost of $670.6 million.
[2] .
[3] 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.
[4] 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.
[5] 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.
[6] 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.
[7] 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.
[8] Certain of the securities listed are issued by affiliate(s) of the indicated portfolio company. The majority of the securities listed, totaling $641.0 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, 2022, 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.
[9] Unless indicated otherwise, all cash interest rates are indexed to 30-day London Interbank Offered Rate ("LIBOR" or "L"), which was 4.4% as of December 31, 2022. 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.
[10] 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.
[11] Category percentages represent the fair value of each category and subcategory as a percentage of net assets as of December 31, 2022.
[12] Certain of the securities listed are issued by affiliate(s) of the indicated portfolio company. The majority of the securities listed, totaling $537.5 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, 2022, 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.
[13] Unless indicated otherwise, all cash interest rates are indexed to 30-day LIBOR, which was 0.5% as of March 31, 2022. 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.
[14] 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.
[15] Category percentages represent the fair value of each category and subcategory as a percentage of net assets as of March 31, 2022.
[16] 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.
[17] non-income producing.
[18] Refer to Note 10—Commitments and Contingencies in the accompanying Notes to Consolidated Financial Statements for additional information regarding this guaranty.
[19] Fair value was based on internal yield analysis or on estimates of value submitted by ICE Data Pricing and Reference Data, LLC. Refer to Note 3—Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[20] Fair value was based on internal yield analysis or on estimates of value submitted by ICE Data Pricing and Reference Data, LLC. Refer to Note 3—Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[21] Debt security is on non-accrual status.
[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] 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.
[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] $5.1 million of the debt security was participated to a third-party, but is accounted for as collateral for a secured borrowing under accounting principles generally accepted in the U.S. and presented as Secured borrowing on our accompanying Consolidated Statements of Assets and Liabilities as of March 31, 2022.
[26] Debt security is on non-accrual status.