Annual report pursuant to Section 13 and 15(d)

BORROWINGS - Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation (Details)

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BORROWINGS - Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation (Details) - Significant Unobservable Inputs (Level 3) - Fair Value, Recurring - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Debt Instrument [Line Items]    
Credit Facility $ 67,000 $ 35,171
Long-Term Debt    
Fair Value Measurements of Borrowings Using Significant Unobservable Inputs (Level 3) Reported in Consolidated Statements of Assets and Liabilities    
Beginning balance 35,171 0
Borrowings 242,300 102,500
Repayments (210,500) (67,300)
Unrealized appreciation (depreciation) 29 (29)
Ending balance $ 67,000 $ 35,171