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v3.25.3

BORROWINGS - Schedule of Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024
Debt Instrument [Line Items] |  |
Credit Facility | $ 0 | $ 70,600
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring |  |
Debt Instrument [Line Items] |  |
Credit Facility | 0 | 70,600
Significant Unobservable Inputs (Level 3) | Fair Value, Recurring | Long-Term Debt |  |
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] |  |
Beginning balance | 70,600 | 47,800
Borrowings | 332,000 | 221,200
Repayments | (402,600) | (198,400)
Net unrealized (appreciation) depreciation | 0 | 0
Ending balance | $ 0 | $ 70,600

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