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BORROWINGS - Schedule of Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation (Details) - Significant Unobservable Inputs (Level 3) - Fair Value, Recurring - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Mar. 31, 2024
Debt Instrument [Line Items] |  |  |
Credit Facility | $ 63,700 |  | $ 67,000
Long-Term Debt |  |  |
Fair Value Measurements of Borrowings Using Significant Unobservable Inputs (Level 3) Reported in Consolidated Statements of Assets and Liabilities |  |  |
Beginning balance | 67,000 | $ 35,171 |
Borrowings | 16,300 | 31,800 |
Repayments | (19,600) | (20,800) |
Unrealized appreciation (depreciation) | 0 | (11) |
Ending balance | $ 63,700 | $ 46,160 |

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