Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current:
U.S. (1)	$ (6,143)	$ 6,701	$ 8,491
Non-U.S. (2)	4,405	10,568	5,028
Total current	(1,738)	17,269	13,519
Deferred:
U.S.	0	0	(3)
Non-U.S.	144	348	(351)
Total deferred	144	348	(354)
Total income tax provision	$ (1,594)	$ 17,617	$ 13,165