Financial Highlights - Schedule of Financial Highlights of the Company (Details) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Per Share Data: | ||||||||||||||
| NAV, beginning of period | [1],[2] | $ 12.64 | $ 13.41 | |||||||||||
| Net investment income | [1],[2] | 0.22 | 0.42 | |||||||||||
| Net realized and unrealized gains (losses) | [1],[2],[3] | (0.34) | (0.15) | |||||||||||
| Net increase (decrease) in net assets from operations | [1],[2] | (0.12) | 0.27 | |||||||||||
| Distributions to common stockholders | [1],[2] | (0.35) | (0.48) | |||||||||||
| Total increase (decrease) in net assets | [1],[2] | (0.47) | (0.21) | |||||||||||
| NAV, end of period | [1],[2] | 12.17 | 13.2 | |||||||||||
| Market price, end of period | [1],[2] | $ 8.88 | $ 11.63 | |||||||||||
| Shares outstanding, end of period | [1],[2] | 112,569,067 | 117,297,222 | |||||||||||
| Weighted average shares outstanding, basic | [1],[2] | 112,569,067 | 117,297,222 | |||||||||||
| Weighted average shares outstanding, diluted | [1],[2] | 112,569,067 | 117,297,222 | |||||||||||
| Total return based on NAV | [1],[2],[4] | (0.25%) | 2.83% | |||||||||||
| Total return based on market value | [1],[2],[5] | (0.86%) | 0.40% | |||||||||||
| Supplemental Data/Ratio: | ||||||||||||||
| Net assets, end of period | [1],[2],[6] | $ 1,369,989 | $ 1,547,950 | |||||||||||
| Ratio of net expenses (without incentive fees and interest and other debt expenses) to average net assets | [1],[2],[6] | 3.35% | 3.18% | |||||||||||
| Ratio of interest and other debt expenses to average net assets | [1],[2],[6] | 8.72% | 7.36% | |||||||||||
| Ratio of net incentive fees to average net assets | [1],[2],[6] | 3.61% | 1.77% | |||||||||||
| Ratio of total expenses to average net assets | [1],[2],[6] | 15.68% | 12.31% | |||||||||||
| Ratio of net investment income to average net assets | [1],[2],[6] | 7.20% | 12.90% | |||||||||||
| Portfolio turnover | [1],[2],[6] | 3.00% | 5.00% | |||||||||||
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