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Income Taxes (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Effective statutory federal income tax rate 35.00% 35.00% 35.00% 35.00%
Effective Income Tax Rate, Continuing Operations     35.60% 48.60%