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Earnings Per Common Share (Tables)
6 Months Ended
Jun. 30, 2011
Earnings Per Common Share [Abstract]  
Summary Of Computation Of Basic And Diluted Earnings Per Common Share
                                 
(in thousands, except share and per share data)
 
Three months ended
June 30,
   
Six months ended
June 30,
 
   
2011
   
2010
   
2011
   
2010
 
    Restated           Restated        
Numerator:
                       
Income available to common shareholders
  $ 27,489     $ 19,715     $ 48,221     $ 39,042  
Denominator:
                               
Denominator for basic earnings per share (weighted average common shares outstanding)
    15,398,919       15,114,846       15,398,925       14,998,810  
Effect of dilutive options and warrants
    674       -       2,581       -  
Denominator for diluted earnings per share (weighted average common shares outstanding adjusted for the effect of dilutive options and warrants)
    15,399,593       15,114,846       15,401,506       14,998,810  
Earnings per common share:
                               
Basic earnings per common share
  $ 1.79     $ 1.30     $ 3.13     $ 2.60  
Diluted earnings per common share
  $ 1.79     $ 1.30     $ 3.13     $ 2.60