Income Taxes - Schedule of Difference Between Provision For Income Taxes and Federal Statutory Income Tax Rate to Income Before Provision for Income Taxes (Details)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal statutory rate	35.00%	35.00%	35.00%
State taxes, net of federal benefit	0.10%	0.70%	0.50%
Foreign earnings at different rates	(10.00%)	(15.30%)	(18.50%)
Research and other credits	(0.60%)	(0.70%)	(0.70%)
Transition Tax	42.90%	0.00%	0.00%
Deferred Tax Revaluation	(2.30%)	(0.00%)	(0.00%)
Other	0.60%	1.40%	0.10%
Effective tax rate	65.70%	21.10%	16.40%