Income Taxes - Schedule of Components of the Income Tax (Expense) Benefit (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Current:
United States	$ (32,861)	$ 28,091	$ 2,285
Foreign	(92,275)	(99,127)	(69,609)
State	(262)	(400)	(166)
Total current	(125,398)	(71,436)	(67,490)
Deferred:
United States	10,536	124,043	(2,226)
Foreign	(18,137)	27,216	32,786
State	(161)	11,485	2,490
Total deferred	(7,762)	162,744	33,050
Total income tax (expense) benefit	$ (133,160)	$ 91,308	$ (34,440)