Fair Value of Financial Instruments - Additional Information (Details) - Truist Credit Facility - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Sep. 30, 2025 |
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| Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] | |||||
| Line of credit facility amendment costs | $ 0.0 | $ 0.0 | $ 3.9 | $ 0.3 | |
| Net change in unrealized appreciation (depreciation) | (0.3) | $ (3.0) | 0.7 | $ (1.0) | |
| Net unrealized depreciation on debt | $ 1.7 | $ 1.7 | $ 1.0 | ||
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- Definition Line of credit facility amendment costs. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of cumulative increase (decrease) in investment from unrealized gain (loss) when value exceeds (is less than) cost for federal income tax purpose. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of unrealized gain (loss) on investment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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