Income Taxes (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Income Taxes (Textual) [Abstract]
Effective income tax rate	38.70%	38.20%	38.70%	38.10%
Federal corporate income tax rate			35.00%