Leases - Lease Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Sep. 30, 2021
Assets
Operating lease, right-of-use asset	$ 36,688	$ 47,275
Current:
Operating lease liabilities	19,369	22,074
Non-current:
Operating lease liabilities	39,192	53,670
Total lease liabilities	$ 58,561	$ 75,744
Operating lease right-of-use assets
Other accrued liabilities
Operating lease liabilities