Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 158,964	$ 122,986	$ 52,953
Other comprehensive income (loss), net of tax
Currency translation adjustment	777	1,687	1,596
Comprehensive income	$ 159,741	$ 124,673	$ 54,549