Financial Highlights - Schedule of Financial Highlights (Details) - USD ($) |
6 Months Ended | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2025 |
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Financial Highlights [Line Items] | |||||||||||||||||||||
| Net Asset Value per share at Beginning of Period | $ 80.24 | $ 79.37 | |||||||||||||||||||
| Results of Operations: | |||||||||||||||||||||
| Net Investment Income/(Loss) | [1] | 1.45 | 1.28 | ||||||||||||||||||
| Net Realized Gain/(Loss) on Investments | (0.21) | 0.05 | |||||||||||||||||||
| Net Unrealized Gain/(Loss) on Investments | (2.76) | (0.39) | |||||||||||||||||||
| Net loss on extinguishment of debt | (0.01) | ||||||||||||||||||||
| Deferred tax benefit (expense) | (0.3) | (0.16) | |||||||||||||||||||
| Net Increase (Decrease) in Net Assets Resulting from Operations | (1.83) | 0.78 | |||||||||||||||||||
| Capital Share Transactions | |||||||||||||||||||||
| Distributions declared | (1.43) | ||||||||||||||||||||
| Repurchase of common stock under stock repurchase program | [2] | 1.15 | |||||||||||||||||||
| Net Increase (Decrease) Resulting from Capital Share Transactions | 1.15 | (1.43) | |||||||||||||||||||
| Net Asset Value per share at End of Period | $ 80.24 | $ 79.56 | $ 78.72 | ||||||||||||||||||
| Net Assets at End of Period (in Dollars) | $ 153,811,704 | $ 158,987,514 | |||||||||||||||||||
| Shares Outstanding at End of Period (in Shares) | 2,003,769 | 1,933,238 | 2,019,778 | ||||||||||||||||||
| Per share market value at end of period | $ 39.06 | $ 54 | |||||||||||||||||||
| Total return based on market value | [3] | (17.99%) | 16.45% | ||||||||||||||||||
| Total return based on net asset value | [4] | (4.33%) | 0.98% | ||||||||||||||||||
| Portfolio turnover rate | 9.61% | 29.19% | |||||||||||||||||||
| Ratios: | |||||||||||||||||||||
| Ratio of net investment/(loss) income to average net assets after waivers, discounts and reimbursements | [5] | 3.68% | 3.27% | ||||||||||||||||||
| Ratio of total expenses to average net assets | 11.49% | 12.16% | |||||||||||||||||||
| Supplemental Data: | |||||||||||||||||||||
| Percentage of non-recurring fee income | [6] | 2.97% | 0.33% | ||||||||||||||||||
| Average debt outstanding (in Dollars) | [7] | $ 148,112,398 | $ 139,253,604 | ||||||||||||||||||
| Average debt outstanding per weighted average common share | $ 74.53 | $ 68.95 | |||||||||||||||||||
| Asset coverage ratio per unit (in Dollars) | [8] | $ 2,043 | $ 2,146 | ||||||||||||||||||
| Average market value per unit: | |||||||||||||||||||||
| 2028 Notes | $ 22.85 | $ 22.57 | |||||||||||||||||||
| 2023 Notes [Member] | |||||||||||||||||||||
| Senior Securities Outstanding(9) | |||||||||||||||||||||
| Senior Securities Outstanding (in Dollars) | [9] | ||||||||||||||||||||
| 2028 Notes [Member] | |||||||||||||||||||||
| Senior Securities Outstanding(9) | |||||||||||||||||||||
| Senior Securities Outstanding (in Dollars) | [9] | 57,500,000 | 57,500,000 | ||||||||||||||||||
| 2028 Promissory Note [Member] | |||||||||||||||||||||
| Senior Securities Outstanding(9) | |||||||||||||||||||||
| Senior Securities Outstanding (in Dollars) | [9] | 1,661,498 | |||||||||||||||||||
| Credit Facility [Member] | |||||||||||||||||||||
| Senior Securities Outstanding(9) | |||||||||||||||||||||
| Senior Securities Outstanding (in Dollars) | [9] | $ 89,991,619 | $ 79,600,000 | ||||||||||||||||||
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