Long-Term Debt - Summary of Finance Lease Liabilities and Long-Term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Sep. 30, 2023
Debt Instrument [Line Items]
Finance leases	$ 260	$ 114
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]	us-gaap:DebtAndCapitalLeaseObligations	us-gaap:DebtAndCapitalLeaseObligations
Total	$ 4,241	$ 10,687
Less: current portion of finance lease liabilities and long-term debt	(4,064)	(2,265)
Finance Lease Liabilities and Long-Term Debt	177	8,422
Term Loan
Debt Instrument [Line Items]
Long-term debt, gross	3,981	$ 10,573
Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 0