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Income Taxes - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Dec. 31, 2016
Income Tax Disclosure [Abstract]          
Effective tax rate for the year 38.50% 56.30% 42.00% 69.80%  
Unrecognized tax benefits that would impact effective tax rate $ 0.3   $ 0.3   $ 0.5