Income Taxes Effective Tax Rate Reconciliation (Details)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Statutory income tax rate	19.30%	34.40%
Foreign earnings subject to different tax rates	0.70%	(16.50%)
Branch profits tax	1.00%
Deemed dividends	1.20%
State and other complement tax	2.90%	1.10%
Return to provision	1.30%
Valuation allowance	6.30%	10.50%
Other	2.10%	(5.10%)
Effective tax rate	34.80%	24.40%