Long-Term Debt - Summary of Finance Lease Liabilities and Long-Term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Sep. 30, 2023
Debt Instrument [Line Items]
Finance leases	$ 95	$ 114
Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration]	us-gaap:DebtAndCapitalLeaseObligations	us-gaap:DebtAndCapitalLeaseObligations
Total	$ 10,131	$ 10,687
Less: current portion of finance lease liabilities and long-term debt	(934)	(2,265)
Finance Lease Liabilities and Long-Term Debt	9,197	8,422
Term Loan
Debt Instrument [Line Items]
Long-term debt, gross	4,423	$ 10,573
Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 5,613