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v3.25.3

BORROWINGS - Fair Value Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024
Debt Instrument [Line Items] |  |  |  |
Fair Value | $ 859,124 | [1] | $ 796,260 | [2]
Collateral Pledged |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Fair Value | $ 754,600 |  | $ 714,400 |
Credit Facility | Line of Credit | Revolving Line of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, basis spread on variable rate | 2.60% |  | 3.10% |
Unused fee percentage | 1.00% |  | 1.00% |
[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

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