RELATED PARTY TRANSACTIONS - Schedule of Related Party Transactions (Details) - USD ($) $ in Thousands |
12 Months Ended | ||||
|---|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Related Party Transactions [Abstract] | |||||
| Average total assets subject to base management fee | $ 1,141,200 | $ 955,250 | $ 875,000 | ||
| Multiplied by annual base management fee of 2.0% | 2.00% | 2.00% | 2.00% | ||
| Base management fee | [1] | $ 22,824 | $ 19,105 | $ 17,500 | |
| Credits to fees from Adviser - other | (5,433) | (5,109) | (5,596) | ||
| Net base management fee | 17,391 | 13,996 | 11,904 | ||
| Loan servicing fee | [1] | 11,821 | 9,636 | 9,118 | |
| Credits to base management fee – loan servicing fee | (11,821) | (9,636) | (9,118) | ||
| Net loan servicing fee | 0 | 0 | 0 | ||
| Incentive fee – income-based | 310 | 4,820 | 8,336 | ||
| Incentive fee - capital gains-based | 37,970 | 7,445 | 12,711 | ||
| Total incentive fee | 38,280 | 12,265 | 21,047 | ||
| Credits to fees from Adviser - other | 0 | 0 | 0 | ||
| Net total incentive fee | [1] | $ 38,280 | $ 12,265 | $ 21,047 | |
| Base management fee (as a percent) | 2.00% | 2.00% | 2.00% | ||
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