Condensed Consolidated Statements of Comprehensive Income (Loss) - 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	$ 11,075	$ 8,368	$ 18,380	$ 25,094
Other comprehensive income (loss):
Foreign currency translation adjustment	470	1,220	881	(1,535)
Total other comprehensive income (loss)	470	1,220	881	(1,535)
Comprehensive income	$ 11,545	$ 9,588	$ 19,261	$ 23,559