CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 39,934	$ 24,104	$ 83,240	$ 53,058
Other comprehensive income
Foreign currency translation adjustments, net of taxes	506	506	(1,629)	(482)
Comprehensive income	$ 40,440	$ 24,610	$ 81,611	$ 52,576