v2.4.0.8
Income Taxes (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Income Taxes [Abstract]          
Income tax expense $ 17,775,000 $ 4,288,000 $ 44,299,000 $ 5,886,000  
Effective tax rate 35.50% 41.80% 37.00% 40.90%  
Unrecognized Tax Benefits $ 300,000   $ 300,000   $ 200,000