CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (17,433)	$ 5,725	$ (28,124)	$ 12,032
Other comprehensive income (loss):
Foreign currency translation adjustments, net of zero tax	2,031	461	(312)	(1,509)
Total other comprehensive income (loss)	2,031	461	(312)	(1,509)
Comprehensive income (loss)	$ (15,402)	$ 6,186	$ (28,436)	$ 10,523