Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
COMPREHENSIVE INCOME (LOSS):
Net income	$ 46,196	$ 114,612	$ 136,111	$ 224,410
Foreign currency translation adjustments, net of tax	6,534	2,146	(7,166)	249
Total comprehensive income (loss)	$ 52,730	$ 116,758	$ 128,945	$ 224,659