Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Net (loss) income	$ (10,075)	$ (76,683)	$ 15,869
Other comprehensive income (loss), before tax:
Foreign currency translation adjustments	1,859	(5,236)	1,732
Other comprehensive income (loss), before tax	1,859	(5,236)	1,732
Provision (benefit) for income tax related to components of other comprehensive (loss) income	(3)	(154)	12
Other comprehensive income (loss), net of tax	1,862	(5,082)	1,720
Comprehensive (loss) income	$ (8,213)	$ (81,765)	$ 17,589