Leases - Lessee Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Sep. 30, 2021	Dec. 31, 2020
Leases [Abstract]
Right-of-use asset	$ 201,527	$ 200,990	$ 177,308
Lease liability, current	51,843	52,263	45,351
Lease liability, non-current	161,841	161,330	143,620
Total lease liability	$ 213,684	$ 213,593	$ 188,971