Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

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Income Taxes (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Income Tax Disclosure [Abstract]    
Blended tax rate (as a percent) 35.52%  
Federal statutory income tax rate (as a percent) 35.00%  
Income taxes refund received (less than)   $ 0.1