Quarterly report pursuant to Section 13 or 15(d)

BORROWINGS - Schedule of Line of Credit Facilities (Details)

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BORROWINGS - Schedule of Line of Credit Facilities (Details) - USD ($)
$ in Thousands
 3 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Sep. 30, 2024
Debt Instrument [Line Items]      
Line of credit outstanding, at cost $ 61,500   $ 70,600
Credit Facility | Revolving Line of Credit | Line of Credit      
Debt Instrument [Line Items]      
Commitment amount 293,659   293,659
Line of credit outstanding, at cost 61,500   70,600
Availability 207,346   $ 200,381
Weighted average borrowings outstanding, at cost $ 26,196 $ 48,582  
Weighted average interest rate 19.10% 12.70%  
Commitment (unused) fees incurred $ 678 $ 437