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BORROWINGS - Corporate Credit Facility and Special Purpose Vehicle Financing Credit Facility (Details) - Line of Credit - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2023
Corporate Credit Facility |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Weighted average effective interest rate | 7.20% |  | 7.54% |
Average borrowings | $ 283,900 |  | $ 190,300 |
Corporate Credit Facility | Corporate Credit Facility |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Interest expense and unused commitment fees | 3,694 | $ 4,712 | 11,470 | $ 13,232
Amortization of deferred financing costs | 577 | 526 | 1,684 | 1,266
Total interest and amortization of deferred financing costs | $ 4,271 | $ 5,238 | $ 13,154 | $ 14,498
Weighted average effective interest rate | 7.19% | 7.88% | 7.53% | 7.61%
Average borrowings | $ 179,511 | $ 224,728 | $ 134,665 | $ 162,915
Secured Debt | SPV Credit Facility |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |
Interest expense and unused commitment fees | 2,147 | 0 | 5,067 | 0
Amortization of deferred financing costs | 114 | 0 | 318 | 0
Total interest and amortization of deferred financing costs | $ 2,261 | $ 0 | $ 5,385 | $ 0
Weighted average effective interest rate | 7.23% | 0.00% | 7.54% | 0.00%
Average borrowings | $ 104,435 | $ 0 | $ 55,664 | $ 0

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