Financial Highlights - Summary of Financial Highlights (Detail) - USD ($) $ / shares in Units, $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
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| Per Share Data: | |||||||||||||||||||||||
| Net asset value per share of Common Stock, beginning of period | $ 25.24 | [1] | $ 24.82 | $ 24.82 | |||||||||||||||||||
| Net investment income (loss) | [2],[3] | 0.28 | (0.02) | ||||||||||||||||||||
| Net realized and unrealized gain (loss) | [2] | (0.94) | (0.02) | ||||||||||||||||||||
| Total increase (decrease) in net assets resulting from investment operations | (0.66) | (0.04) | |||||||||||||||||||||
| Distributions of net investment income to preferred shareholders | [2] | 0 | 0 | ||||||||||||||||||||
| Common Stock distributions declared from net investment income | [4] | (0.2) | 0 | ||||||||||||||||||||
| Net increase (decrease) in net assets relating to capital share transactions | [5] | 0 | 0 | ||||||||||||||||||||
| Total increase (decrease) in net assets applicable to holders of Common Stock | (0.86) | (0.04) | |||||||||||||||||||||
| Net asset value per share of Common Stock, end of period | $ 24.38 | [1] | $ 24.78 | $ 25.24 | [1] | ||||||||||||||||||
| Total return based on net asset value | [6] | (2.64%) | (0.16%) | ||||||||||||||||||||
| Ratios / Supplemental Data: | |||||||||||||||||||||||
| Ratio of net investment income (loss) to average net assets applicable to Common Stock | [7],[8] | 7.43% | 2.74% | ||||||||||||||||||||
| Ratio of total expenses to average net assets applicable to Common Stock, gross | [7],[8] | 12.83% | 19.10% | ||||||||||||||||||||
| Ratio of total expenses to average net assets applicable to Common Stock, net of waivers | [7],[8] | 13.88% | 5.75% | ||||||||||||||||||||
| Portfolio turnover rate | [9] | 0.20% | 0.00% | ||||||||||||||||||||
| Net assets, end of period | $ 293,770 | $ 72,338 | |||||||||||||||||||||
| Shares of Common Stock outstanding, end of period | 11,984,588 | 2,857,196 | 9,498,642 | ||||||||||||||||||||
| Weighted average shares of Common Stock outstanding, basic | 9,864,463 | 1,350,604 | |||||||||||||||||||||
| Weighted average shares of Common Stock outstanding, diluted | 9,864,463 | 1,350,604 | |||||||||||||||||||||
| Total capital commitments, end of period | $ 1,000,046 | $ 640,456 | $ 729,030 | ||||||||||||||||||||
| Ratio of total contributed capital to total committed capital, end of period | 29.56% | 11.07% | |||||||||||||||||||||
| Asset coverage ratio | 167.08% | 244.05% | 167.82% | ||||||||||||||||||||
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