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Income Taxes (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Income Taxes (Textual) [Abstract]        
Effective income tax rate 38.70% 38.50% 38.70% 38.30%
Federal corporate income tax rate     35.00%