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Earnings Per Share (Tables)
6 Months Ended
Jun. 30, 2017
Earnings Per Share [Abstract]  
Reconciliation of component parts of earnings per share
A reconciliation of the component parts of earnings per share for the three and six months ended June 30, 2017 and 2016 is as follows:

(in thousands, except per share data)
  
For the three months ended
June 30:
    
For the six months ended
June 30:
 
 
  
2017
  
2016
  
2017
  
2016
 
Net income
 
$
12,240
   
10,464
  
$
23,187
   
20,875
 
Weighted average common shares
  
96,003
   
95,487
   
95,944
   
95,426
 
Stock Options
  
70
   
93
   
90
   
70
 
Weighted average common shares including potential dilutive shares
  
96,073
   
95,580
   
96,034
   
95,496
 
                 
Basic EPS
 
$
0.127
   
0.110
  
$
0.242
   
0.219
 
                 
Diluted EPS
 
$
0.127
   
0.109
  
$
0.241
   
0.219