Summary of Significant Accounting Policies - Summary of Depreciation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounting Policies [Abstract]
Cost of revenues	$ 21,903	$ 21,755	$ 16,882
Operating expense	52,338	56,637	55,181
General and administrative expense	$ 2,972	$ 3,429	$ 3,145