Income Taxes - Schedule of Income Tax Provision (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal	$ (7,695)	$ 7,679	$ 20,490
State and local	(362)	3,841	2,708
Foreign	14,618	12,139	12,586
Total current	6,561	23,659	35,784
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal	(17,463)	40,340	10,805
State and local	(4,492)	(1,144)	1,160
Foreign	(22,906)	3,480	(24,815)
Total deferred	(44,861)	42,676	(12,850)
Change in valuation allowance	25,730	7,991	26,640
Total provision (benefit) for income taxes	$ (12,570)	$ 74,326	$ 49,574