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Earnings Per Share
3 Months Ended
Mar. 31, 2018
Earnings Per Share [Abstract]  
Earnings Per Share
Note 9 – Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share:

  
Three Months Ended
 
  
March 31
 
(in thousands except per share data)
 
2018
  
2017
 
Numerator:
      
Net income
 
$
15,814
  
$
11,277
 
         
Denominator:
        
Basic earnings per share:
        
Weighted average shares
  
17,671
   
17,615
 
Diluted earnings per share:
        
Effect of dilutive stock options and restricted stock grants
  
16
   
23
 
Adjusted weighted average shares
  
17,687
   
17,638
 
         
Earnings per share:
        
Basic earnings per share
 
$
0.89
  
$
0.64
 
Diluted earnings per share
  
0.89
   
0.64
 
 
There were no options to purchase common shares that were excluded from the diluted calculations above for the three months ended March 31, 2018 and 2017.  In addition to in-the-money stock options, unvested restricted stock grants were also used in the calculation of diluted earnings per share based on the treasury method.