Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net (loss) income	$ 3,312	$ (20,374)	$ 2,474	$ (18,512)
Other comprehensive loss
Foreign currency translation adjustment	(16)	28	(404)	26
Comprehensive (loss) income	$ 3,296	$ (20,346)	$ 2,070	$ (18,486)