Quarterly report pursuant to Section 13 or 15(d)

BORROWINGS - Fair Value Narrative (Details)

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BORROWINGS - Fair Value Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2024
Sep. 30, 2024
Debt Instrument [Line Items]    
Fair Value $ 799,497 $ 796,260 [1]
Collateral Pledged    
Debt Instrument [Line Items]    
Fair Value $ 729,000 $ 714,400
Credit Facility | Line of Credit | Revolving Line of Credit    
Debt Instrument [Line Items]    
Debt instrument, basis spread on variable rate 3.10% 3.10%
Unused fee percentage 1.00% 1.00%
[1] Cumulative gross unrealized depreciation for federal income tax purposes is $66.1 million; cumulative gross unrealized appreciation for federal income tax purposes is $85.8 million. Cumulative net unrealized appreciation is $19.7 million, based on a tax cost of $776.5 million.