Income Taxes - Changes in the Reserve for Income Taxes, Excluding Interest and Penalties (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance of reserve for income taxes	$ 13,952	$ 11,591
Gross amounts of increases in unrecognized tax benefits as a result of tax positions taken in prior periods	100	162
Gross amounts of increases in unrecognized tax benefits as a result of tax positions taken in the current period	525	3,383
Gross amounts of decreases in unrecognized tax benefits as a result of the expiration of the applicable statutes of limitations	(485)	(1,184)
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions	(280)
Balance of reserve for income taxes	$ 13,812	$ 13,952