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Summary of Significant Accounting Policies - Schedule of short-term debt (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Sep. 30, 2024
--- | --- | ---
Carrying Amount |  |
Current portion of long-term debt | $ 1,410 | $ 1,410
Fair Value, Inputs, Level 2 |  |
Carrying Amount |  |
Long-term debt | 88,536 | 91,141
Estimated Fair Value |  |
Current portion of long-term debt | 1,403 | 1,420
Long-term debt | $ 83,713 | $ 86,987

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