Leases - Schedule of Financial Statement Classification of Lease Balances Within Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Sep. 30, 2024
Leases [Abstract]
Right-of-use assets - operating	$ 17,856	$ 16,596
Right-of-use assets - finance	$ 190	$ 227
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	$ 18,046	$ 16,823
Operating lease liabilities	$ 1,828	$ 2,041
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Operating lease liabilities	Operating lease liabilities
Finance lease liabilities	$ 112	$ 101
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	$ 1,940	$ 2,142
Operating lease liabilities	$ 16,894	$ 15,240
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Operating lease liabilities	Operating lease liabilities
Finance lease liabilities	$ 127	$ 189
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	$ 17,021	$ 15,429
Total lease liabilities	$ 18,961	$ 17,571