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Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2016
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 months ended March 31, 2016 and 2015 is as follows:

(dollars in thousands, except per share data)
      
  
2016
  
2015
 
For the three months ended
      
March 31:
      
Net income
 
$
10,409
   
10,715
 
Weighted average common shares
  
95,365
   
94,947
 
Stock Options
  
47
   
127
 
Weighted average common shares including potential dilutive shares
  
95,412
   
95,074
 
         
Basic EPS
 
$
0.109
   
0.113
 
         
Diluted EPS
 
$
0.109
   
0.113