Consolidated Statements of Assets and Liabilities (Parenthetical) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Sep. 30, 2025 |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Investments at cost | $ 1,222,322 | [1],[2],[3],[4] | $ 1,236,888 | [5],[6],[7],[8],[9] | ||||||||||||||||||
| Cash and cash equivalents, cost | 15,070 | 30,711 | ||||||||||||||||||||
| Cash | 29,788 | 21,028 | ||||||||||||||||||||
| Truist Credit Facility payable, cost | $ 201,456 | $ 426,456 | ||||||||||||||||||||
| Common stock, shares, issued | 65,296,094 | 65,296,094 | ||||||||||||||||||||
| Common stock, shares, outstanding | 65,296,094 | 65,296,094 | ||||||||||||||||||||
| Common stock par value | $ 0.001 | $ 0.001 | ||||||||||||||||||||
| Common stock, shares authorized | 200,000,000 | 200,000,000 | ||||||||||||||||||||
| 2026 Notes Payable | ||||||||||||||||||||||
| Notes payable, par | $ 150,000 | $ 150,000 | ||||||||||||||||||||
| Unamortized deferred financing cost | 77 | 527 | ||||||||||||||||||||
| 2026-2 Notes Payable | ||||||||||||||||||||||
| Notes payable, par | 165,000 | 165,000 | ||||||||||||||||||||
| Unamortized deferred financing cost | 640 | 1,067 | ||||||||||||||||||||
| 2029 Notes payable | ||||||||||||||||||||||
| Notes payable, par | 75,000 | 0 | ||||||||||||||||||||
| Unamortized deferred financing cost | 1,528 | 0 | ||||||||||||||||||||
| Non-controlled, Non-affiliated Investments | ||||||||||||||||||||||
| Investments at cost | 844,537 | 853,416 | ||||||||||||||||||||
| Non-controlled and controlled, affiliated investments | ||||||||||||||||||||||
| Investments at cost | 36,561 | 36,561 | ||||||||||||||||||||
| Controlled, affiliated investments | ||||||||||||||||||||||
| Investments at cost | $ 341,224 | $ 346,911 | ||||||||||||||||||||
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