CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (5,648)	$ 17,244	$ (1,493)	$ 32,414
Change in cumulative foreign currency translation adjustment	605	1,538	(235)	1,119
Total comprehensive (loss) income	$ (5,043)	$ 18,782	$ (1,728)	$ 33,533