Leases - Schedule of Financial Statement Classification of Lease Balances Within Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Sep. 30, 2023
Leases [Abstract]
Right-of-use assets - operating	$ 10,541	$ 11,217
Right-of-use assets - finance	$ 110	$ 123
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property, Plant and Equipment - Net	Property, Plant and Equipment - Net
Total right-of-use assets	$ 10,651	$ 11,340
Operating lease liabilities	$ 2,292	$ 2,623
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Operating lease liabilities	Operating lease liabilities
Finance lease liabilities	$ 49	$ 64
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Current maturities of finance lease liabilities and long-term debt	Current maturities of finance lease liabilities and long-term debt
Total current portion of long-term lease liabilities	$ 2,341	$ 2,687
Operating lease liabilities	$ 8,598	$ 8,894
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Operating lease liabilities	Operating lease liabilities
Finance lease liabilities	$ 46	$ 50
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Finance Lease Liabilities and Long-Term Debt	Finance Lease Liabilities and Long-Term Debt
Total long-term lease liabilities	$ 8,644	$ 8,944
Total lease liabilities	$ 10,985	$ 11,631