Condensed Consolidated Statements of Comprehensive Income (Loss) (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ 8,838	$ (3,555)
Foreign currency translation adjustment	(711)	(819)
Other comprehensive income (loss)	(711)	(819)
Comprehensive income (loss)	$ 8,127	$ (4,374)