Quarterly report [Sections 13 or 15(d)]

BORROWINGS - Schedule of Recurring Fair Value Measurements of Borrowings Using Significant Unobservable Level 3 Inputs (Details)

v3.25.3
BORROWINGS - Schedule of Recurring Fair Value Measurements of Borrowings Using Significant Unobservable Level 3 Inputs (Details) - Significant Unobservable Inputs (Level 3) - Fair Value, Recurring - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Mar. 31, 2025
Debt Instrument [Line Items]          
Credit Facility $ 98,053   $ 98,053   $ 0
Long-Term Debt          
Fair Value Measurements of Borrowings Using Significant Unobservable Inputs (Level 3) Reported in Consolidated Statements of Assets and Liabilities          
Beginning balance 62,269 $ 63,700 0 $ 67,000  
Borrowings 75,800 31,500 153,300 47,800  
Repayments (40,100) (86,300) (55,600) (105,900)  
Unrealized appreciation 84   353    
Ending balance $ 98,053 $ 8,900 $ 98,053 $ 8,900