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Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2017
Earnings Per Share [Abstract]  
Reconciliation of Basic and Diluted Earnings per Share
The following is a reconciliation of basic and diluted EPS for the periods presented in the consolidated statements of income:

  
Three months ended March 31,
 
(In thousands, except per share data)
 
2017
  
2016
 
Basic EPS:
      
Weighted average common shares outstanding
 
43,513
  
43,342
 
Net income available to common stockholders
 $ 
20,279
  
18,891
 
Basic EPS
 
$
0.47
  
$
0.44
 
         
Diluted EPS:
        
Weighted average common shares outstanding
  
43,883
   
43,342
 
Dilutive effect of common stock options and restricted stock
  
371
   
365
 
Weighted average common shares and common share equivalents
  
44,254
   
43,707
 
Net income available to common stockholders
 $
20,279
  $
18,891
 
Diluted EPS
 
$
0.46
  
$
0.43