Income Taxes - Schedule of Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Domestic	$ (50,463)	$ 220,342	$ 196,750
Foreign	(58,688)	(85,767)	(112,123)
Income (loss) before income taxes	(109,151)	134,575	84,627
Expected federal income tax provision	(22,922)	47,101	29,619
Change in valuation allowance	25,730	7,991	26,640
Stock-based compensation	(104)	(1,225)	2,762
Foreign earnings	(15,799)	(22,045)	(12,584)
Tax credits	(10,502)	(777)	(7,471)
Uncertain tax positions, including interest and penalties	7,727	(7,637)	3,817
Change in tax rates	335	41,125	67
State income tax provision (benefit), net of federal effect	(4,524)	4,986	2,806
U.S. tax provision on foreign earnings	25	33	997
Domestic production activities deduction	0	(2,534)	(2,424)
Local foreign taxes	2,540	2,324	2,914
Transaction costs	974	2,643	0
Other, net	3,950	2,341	2,431
Total provision (benefit) for income taxes	$ (12,570)	$ 74,326	$ 49,574