Long-Term Debt and Lines of Credit - Schedule of Interest Costs Expensed and Capitalized (Details) - USD ($) $ in Thousands  | 
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025  | 
Jun. 30, 2024  | 
Jun. 30, 2025  | 
Jun. 30, 2024  | 
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| Debt Disclosure [Abstract] | ||||
| Interest expense | $ 907 | $ 628 | $ 2,964 | $ 2,896 | 
| Interest capitalized | 37 | 322 | 365 | 917 | 
| Total | $ 944 | $ 950 | $ 3,329 | $ 3,813 | 
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- References No definition available. 
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- Definition Amount of interest capitalized during the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Total interest costs incurred during the period and either capitalized or charged against earnings. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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