Summary of Significant Accounting Policies - Employee Retention Credits under CARES Act (Details) $ in Thousands	3 Months Ended			9 Months Ended	12 Months Ended
	Sep. 30, 2021 USD ($)	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($)
Summary of Significant Accounting Policies
CARES Act ERC tax credit benefit recorded	$ 6,529			$ 6,529
CARES Act ERC tax credit receivable	$ 6,529			$ 6,529
CARES Act ERC tax refunds or credits received					$ 886
CARES Act ERC tax remaining receivable					$ 5,643
Minimum
Summary of Significant Accounting Policies
Decrease in gross receipts (percentage)	0.20	0.20	0.20