Income Taxes (Effective Income Tax Rates Reconciliation) (Details)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Statutory US federal income tax rate	21.00%	34.00%	35.00%
US state income taxes, net of federal benefit	(0.29%)	(0.80%)	0.40%
Non-US tax rate differential	(15.19%)	(28.70%)	(22.80%)
effective income tax rate reconciliation, GILTI RELATED	15.13%	0.00%	0.00%
effective income tax rate reconciliation, Subpart F	0.72%	0.00%	0.00%
Tax holidays	(3.42%)	(3.50%)	(14.00%)
Effective Income Tax Rate Reconciliation, Tax Credit, Other, Amount	10.60%	1.40%	0.00%
Passive income exemption	(0.90%)	(2.10%)	(1.40%)
Acquisition contingent earnout liability adjustments	(0.24%)	0.00%	(0.90%)
Foreign enhanced R&D deductions	(0.00%)	(0.00%)	(0.90%)
Nondeductible items	(0.05%)	2.50%	9.10%
Effect of valuation allowance	(0.06%)	(3.60%)	(2.30%)
Release of DTL on intangibles transferred	0.00%	0.00%	(3.50%)
Prior year true-ups	19.54%	1.10%	2.80%
Uncertain tax positions	0.12%	5.80%	0.10%
Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act of 2017 Percent	0.00%	(2.40%)	0.00%
Other	0.12%	(0.10%)	0.10%
Effective tax rate from ongoing operations	25.88%	0.80%	1.70%