CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 100,443	$ 73,185	$ 39,122
Other comprehensive (loss) income
Foreign currency translation adjustments, net of taxes	(224)	(1,783)	3,008
Comprehensive income	$ 100,219	$ 71,402	$ 42,130