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Income Taxes (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Income Tax Disclosure [Abstract]        
Effective income tax rate 38.70% 38.80% 38.70% 38.50%
Federal corporate income tax rate     35.00%