Leases - Summary of Lease-related Assets and Liabilities Reported in the Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022
ASSETS
Operating lease right of use assets	$ 11,961	$ 14,702
Finance lease assets	$ 825	$ 1,259
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property and equipment, net	Property and equipment, net
Total lease assets	$ 12,786	$ 15,961
Current liabilities:
Short-term operating lease liabilities	5,434	5,071
Finance	$ 437	$ 441
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued expenses and other current liabilities	Accrued expenses and other current liabilities
Noncurrent
Long-term operating lease liabilities	$ 7,947	$ 11,375
Finance	$ 408	$ 802
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities
Total lease liability	$ 14,226	$ 17,689