CONSOLIDATED STATEMENTS OF ASSETS AND LIABILITIES (Parenthetical) - USD ($) $ in Thousands |
Jun. 30, 2024 |
Mar. 31, 2024 |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cost | $ 851,866 | $ 854,290 | [1] | |||||||||||||||
| Line of credit, cost | $ 63,700 | $ 67,000 | ||||||||||||||||
| Common stock, par value (in USD per share) | $ 0.001 | $ 0.001 | ||||||||||||||||
| Common stock, authorized (in shares) | 100,000,000 | 100,000,000 | ||||||||||||||||
| Common stock, issued (in shares) | 36,688,667 | 36,688,667 | ||||||||||||||||
| Common stock, outstanding (in shares) | 36,688,667 | 36,688,667 | ||||||||||||||||
| Non-Control/Non-Affiliate Investments | ||||||||||||||||||
| Cost | $ 542,278 | [2] | $ 544,799 | [3] | ||||||||||||||
| Affiliate Investments | ||||||||||||||||||
| Cost | 292,179 | [4] | 292,082 | [5] | ||||||||||||||
| Control Investments | ||||||||||||||||||
| Cost | $ 17,409 | [6] | $ 17,409 | [7] | ||||||||||||||
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