CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (1,020)	$ 10,061	$ (40,513)	$ 23,729
Other comprehensive income (loss):
Foreign currency translation adjustments	2,269	(2,134)	2,183	(2,276)
Other comprehensive income (loss)	2,269	(2,134)	2,183	(2,276)
Comprehensive income (loss)	$ 1,249	$ 7,927	$ (38,330)	$ 21,453