v3.25.2
Financial Highlights - Financial Highlights (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Investment Company, Financial Highlights [Roll Forward]        
Net asset value at beginning of period (in dollars per share)     $ 8.85 $ 9.40
Net investment income (in dollars per share) $ 0.15 $ 0.30 0.34 0.56
Net gain (loss) (in dollars per share)     (0.40) (0.26)
Net increase (decrease) in net assets resulting from operations (in dollars per share)     (0.06) 0.30
Stockholder distributions - income (in dollars per share)     (0.50) (0.50)
Net asset value at end of period (in dollars per share) $ 8.29 $ 9.20 $ 8.29 $ 9.20
Net assets at end of period $ 179,592 $ 199,344 $ 179,592 $ 199,344
Shares outstanding at end of period (in shares) 21,666,340 21,666,340 21,666,340 21,666,340
Per share market value at end of period (in dollars per share)     $ 6.36 $ 7.61
Total return based on market value     (19.84%) 14.97%
Total return based on average net asset value     0.34% 4.54%
Ratio/Supplemental data:        
Ratio of net investment income to average net assets     8.00% 12.87%
Ratio of total expenses to average net assets     15.31% 17.88%
Portfolio turnover     4.75% 9.33%
Ratio of total investment income to average net assets     23.30% 30.74%
Ratio of interest and other debt financing expenses to average net assets     9.33% 11.26%
Ratio of total expenses (excluding incentive fees) to average net assets     15.31% 17.02%
Ratio of incentive fees to average net assets       0.85%