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Financial Highlights - Financial Highlights (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Per share data: |  |
Net asset value at beginning of period (in dollars per share) | $ 9.40 | $ 10.39
Net investment income (in dollars per share) | 0.25 | 0.31
Net gain (loss) (in dollars per share) | (0.10) | (0.16)
Net increase (decrease) in net assets resulting from operations (in dollars per share) | 0.15 | 0.15
Stockholder distributions - income (in dollars per share) | (0.25) | (0.25)
Net asset value at end of period (in dollars per share) | $ 9.30 | $ 10.29
Net assets at end of period | $ 201,502 | $ 222,961
Shares outstanding at end of period (in shares) | 21,666,340 | 21,666,340
Per share market value at end of period (in dollars per share) | $ 7.20 | $ 7.65
Total return based on market value | 5.30% | (7.55%)
Total return based on average net asset value | 1.58% | 1.50%
Ratio/Supplemental data: |  |
Ratio of net investment income to average net assets | 12.90% | 14.26%
Ratio of total expenses to average net assets | 17.24% | 16.17%
Portfolio turnover | 2.44% | 4.15%

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