Condensed Consolidated Statements of Comprehensive Income (Unaudited) - 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 income (loss)	$ (45,411)	$ 1,252	$ (78,838)	$ 8,142
OTHER COMPREHENSIVE LOSS
Foreign currency translation adjustments	(59)	(316)	(702)	(89)
COMPREHENSIVE INCOME (LOSS)	$ (45,470)	$ 936	$ (79,540)	$ 8,053