Leases - Supplemental Balance Sheet Information Schedule (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Sep. 30, 2024
Assets:
Finance lease assets	$ 95	$ 4
Operating lease right-of-use assets, net	12,543	13,326
Total lease assets	$ 12,638	$ 13,330
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Current maturities of debt, net of unamortized debt issuance costs	Current maturities of debt, net of unamortized debt issuance costs
Current liabilities:
Current maturities of long-term debt	$ 46	$ 0
Short-term operating lease liabilities	959	879
Non-current liabilities:
Long-term finance lease, net of short-term	51	0
Long-term operating lease liabilities, net of short-term	12,230	13,035
Total lease liabilities	$ 13,286	$ 13,914
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property, plant and equipment, net	Property, plant and equipment, net