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Income Taxes (Details)
3 Months Ended
Mar. 31, 2019
Income Taxes [Line Items]  
Federal income tax benefit at statutory rate 21.00%
Effect of:  
Tax effects of FX gains and losses 104.20%
Increase in unrecognized tax benefits (FIN48) (36.80%)
Tax effects of foreign operations (34.00%)
Return to provision true up (28.00%)
Foreign rate differential (8.10%)
Change in valuation allowance (7.90%)
Other (4.60%)
Effective tax rate 5.80%