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 income	$ 232,268	$ 16,181	$ 340,157	$ 42,295
Other comprehensive income (loss)
Changes in cumulative translation adjustment, net of tax	837	(544)	1,037	(698)
Net unrealized (losses) gains on derivative instruments	(1,468)	868	(1,200)	1,322
Reclassification of net realized losses (gains) on derivative instruments included in net income	71	(230)	(265)	(342)
Total change in unrealized (losses) gains from cash flow hedges, net of tax	(1,397)	638	(1,465)	980
Comprehensive income	$ 231,708	$ 16,275	$ 339,729	$ 42,577