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Earnings Per Share
 6 Months Ended
Jun. 30, 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
  
Six Months Ended
 
  
June 30
  
June 30
 
(in thousands except per share data)
 
2018
  
2017
  
2018
  
2017
 
Numerator:
            
Net income
 
$
11,599
  
$
11,541
  
$
27,413
  
$
22,818
 
                 
Denominator:
                
Basic earnings per share:
                
Weighted average shares
  
17,687
   
17,626
   
17,679
   
17,621
 
Diluted earnings per share:
                
Effect of dilutive stock options and restricted stock grants
  
16
   
19
   
16
   
20
 
Adjusted weighted average shares
  
17,703
   
17,645
   
17,695
   
17,641
 
                 
Earnings per share:
                
Basic earnings per share
 
$
0.66
  
$
0.65
  
$
1.55
  
$
1.29
 
Diluted earnings per share
  
0.66
   
0.65
   
1.55
   
1.29
 

There were no options to purchase common shares that were excluded from the diluted calculations above for the three and six months ended June 30, 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.