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BORROWINGS - Corporate Credit Facility and Special Purpose Vehicle Financing Credit Facility (Details) - Line of Credit - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Corporate Credit Facility |  |  |
Line of Credit Facility [Line Items] |  |  |
Weighted average interest rate | 7.33% |  |
Average borrowings | $ 269,800 |  |
Corporate Credit Facility | Corporate Credit Facility |  |  |
Line of Credit Facility [Line Items] |  |  |
Interest expense | 13,655 | $ 16,661 | $ 11,156
Unused commitment and other fees | 1,710 | 1,152 | 852
Amortization of deferred financing costs | 2,262 | 1,813 | 1,144
Total interest and amortization of deferred financing costs | $ 17,627 | $ 19,626 | $ 13,152
Weighted average interest rate | 7.33% | 7.66% | 5.22%
Average borrowings | $ 186,274 | $ 217,500 | $ 213,658
SPV Credit Facility | SPV Credit Facility |  |  |
Line of Credit Facility [Line Items] |  |  |
Interest expense | 6,118 | 0 | 0
Unused commitment and other fees | 1,165 | 45 | 0
Amortization of deferred financing costs | 432 | 0 | 0
Total interest and amortization of deferred financing costs | $ 7,715 | $ 45 | $ 0
Weighted average interest rate | 7.32% | 0.00% | 0.00%
Average borrowings | $ 83,534 | $ 0 | $ 0

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