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Earnings per Share ("EPS") (Tables)
9 Months Ended
Sep. 30, 2013
Earnings Per Share [Abstract]  
Basic And Diluted Earnings Per Common Share
NOTE 12. Earnings per Share ("EPS")
             
 The following tables set forth the calculation of basic and diluted EPS for the three-month and nine-month periods ended
September 30, 2013 and 2012.
             
Basic earnings per common share
             
  Three Months Ended September 30, Nine Months Ended September 30,
  2013 2012 2013 2012
Net income applicable to common shareholders$44,291 $36,732 $132,338 $97,998
Weighted average common shares outstanding 187,096  186,214  186,840  181,735
Basic earnings per common share$0.24 $0.20 $0.71 $0.54
             
Diluted earnings per common share
             
  Three Months Ended September 30, Nine Months Ended September 30,
  2013 2012 2013 2012
Net income available to common shareholders$44,291 $36,732 $132,338 $97,998
Weighted average common shares outstanding 187,096  186,214  186,840  181,735
Dilutive potential common shares 1,013  790  976  752
Total diluted average common shares outstanding 188,109  187,004  187,816  182,487
Diluted earnings per common share$0.24 $0.20 $0.70 $0.54