v3.25.3
INVESTMENTS - Schedule of Investments Classified by Contractual Maturity Date (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Sep. 30, 2024
 [2]
Investments, Debt and Equity Securities [Abstract]    
2026 $ 58,434  
2027 157,554  
2028 222,265  
2029 139,336  
2030 209,608  
Thereafter 10,000  
Total contractual repayments 797,197  
Adjustments to cost basis of debt investments (574)  
Investments in equity securities 79,991  
Investment owned, at cost 876,614 [1] $ 771,011
Debt investments with maturity dates prior to period end $ 500  
[1] Cumulative gross unrealized depreciation for federal income tax purposes is $59.7 million; cumulative gross unrealized appreciation for federal income tax purposes is $34.1 million. Cumulative net unrealized depreciation is $25.5 million, based on a tax cost of $884.7 million.
[2] 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