Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (91,182)	$ (9,073)	$ (142,966)	$ (222,328)
Other comprehensive income (loss) before tax:
Foreign currency translation adjustment	(3,084)	3,180	(2,210)	(2,978)
Foreign currency hedge	0	(610)	0	(627)
Other comprehensive income (loss), before tax	(3,084)	2,570	(2,210)	(3,605)
Tax (provision) benefit attributable to other comprehensive income (loss)	691	(60)	536	74
Other comprehensive income (loss), net of tax	(2,393)	2,510	(1,674)	(3,531)
Total comprehensive loss	$ (93,575)	$ (6,563)	$ (144,640)	$ (225,859)