Leases - Schedule of Financial Statement Classification of Lease Balances Within Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022
Leases [Abstract]
Right-of-use assets - operating	$ 11,217	$ 11,258
Right-of-use assets - finance	$ 123	$ 149
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	$ 11,340	$ 11,407
Operating lease liabilities	$ 2,623	$ 2,101
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Operating lease liabilities	Operating lease liabilities
Finance lease liabilities	$ 64	$ 71
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Current portion of finance lease liabilities and long-term debt	Current portion of finance lease liabilities and long-term debt
Total current portion of long-term lease liabilities	$ 2,687	$ 2,172
Operating lease liabilities	$ 8,894	$ 9,395
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Operating lease liabilities	Operating lease liabilities
Finance lease liabilities	$ 50	$ 76
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	$ 8,944	$ 9,471
Total lease liabilities	$ 11,631	$ 11,643