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Income Taxes (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Income Tax Disclosure [Abstract]        
Effective tax rate 0.00% (4.00%) 15.20% (4.40%)
Tax benefit for refunds of foreign withholding tax, partially offset by state and foreign tax expense     $ 0