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Financial Highlights - Schedule of Financial Highlights (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Investment Company, Financial Highlights [Line Items] |  |
Net asset value at beginning of period | $ 19.37 | $ 19.43
Net investment income | 0.57 | 0.59
Net realized gain (loss) on investments, net of tax (provision) | 0.06 |
Net unrealized appreciation (depreciation) on investments | 0.04 | 0.03
Realized losses on extinguishment of debt | (0.02) |
Total increase from investment operations | 0.65 | 0.62
Accretive (dilutive) effect of share issuances and repurchases |  | 0.01
Dividends declared to stockholders | (0.65) | (0.66)
Other | (0.01) | (0.01)
Net asset value at end of period | 19.36 | 19.39
Market value at end of period | $ 19.74 | $ 19.07
Shares outstanding at end of period | 31,426,149 | 24,988,398
Weighted average number of shares outstanding - basic | 30,776,758 | 24,803,951
Weighted average number of shares outstanding - diluted | 30,776,758 | 24,803,951
Net assets at end of period | $ 608,340 | $ 484,646
Average net assets | $ 598,908 | $ 482,495
Total expenses | 11.40% | 11.90%
Net investment income | 11.80% | 12.20%
Total return based on market value | 3.90% | 2.80%
Total return based on net asset value | 3.40% | 3.20%
Portfolio turnover ratio | 24.00% | 7.20%
Average debt outstanding | $ 469,503 | $ 433,257
Average debt per share | $ 15.26 | $ 17.47

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