CONSOLIDATED STATEMENTS OF ASSETS AND LIABILITIES (Parenthetical) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Mar. 31, 2025 |
||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cost | $ 1,052,848 | [1] | $ 939,066 | [2] | ||||||||||||||||
| Line of credit at cost | $ 23,900 | $ 0 | ||||||||||||||||||
| Common stock, par value (in USD per share) | $ 0.001 | $ 0.001 | ||||||||||||||||||
| Common stock, shares authorized (in shares) | 100,000,000 | 100,000,000 | ||||||||||||||||||
| Common stock, shares, issued (In shares) | 39,821,967 | 36,837,381 | ||||||||||||||||||
| Common stock, shares, outstanding (in shares) | 39,821,967 | 36,837,381 | ||||||||||||||||||
| Notes Payable | ||||||||||||||||||||
| Unamortized deferred financing costs | $ 8,460 | $ 8,029 | ||||||||||||||||||
| Non-Control/Non-Affiliate investments | ||||||||||||||||||||
| Cost | 711,741 | [3] | 562,371 | [4] | ||||||||||||||||
| Affiliate investments | ||||||||||||||||||||
| Cost | 323,698 | [5] | 359,286 | [6] | ||||||||||||||||
| Control investments | ||||||||||||||||||||
| Cost | $ 17,409 | [7] | $ 17,409 | [8] | ||||||||||||||||
| ||||||||||||||||||||