Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 89,705	$ 101,984	$ 96,806
Other comprehensive income (loss):
Foreign currency translation adjustment, net of tax impact	50	(34)	(21)
Comprehensive income	$ 89,755	$ 101,950	$ 96,785