Quarterly report pursuant to Section 13 or 15(d)

INVESTMENTS - Investments Classified by Contractual Maturity Date (Details)

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INVESTMENTS - Investments Classified by Contractual Maturity Date (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Sep. 30, 2024
 [1]
Investments, Debt and Equity Securities [Abstract]    
2025 $ 12,470  
2026 161,593  
2027 187,614  
2028 218,630  
2029 92,945  
Thereafter 67,778  
Total contractual repayments 741,030  
Adjustments to cost basis of debt investments (1,255)  
Investments in equity securities 76,365  
Investment owned, at cost 816,140 $ 771,011
Debt investments with maturity dates prior to period end $ 500  
[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.