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Fair Value of Financial Instruments - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2025 | Mar. 31, 2024 | Sep. 30, 2024
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |  |  |  |
Line of credit facility amendment costs | $ 400 |  | $ 400 |  |
Net change in unrealized depreciation on debt |  |  | 91 | $ (23) |
Long-Term Credit Facility |  |  |  |  |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |  |  |  |
Line of credit facility amendment costs |  | $ 0 |  | 0 |
Net change in unrealized (depreciation) appreciation on debt | $ 100 | $ (100) | 100 | $ 100 |
Prior Credit Facility |  |  |  |  |
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items] |  |  |  |  |
Net change in unrealized depreciation on debt |  |  | $ 100 |  | $ 0

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- Definition Line of credit facility amendment costs. + References No definition available. + Details
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- Definition Net change in unrealized (appreciation) depreciation on debt. + References No definition available. + Details
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- Details
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- Details
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