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EARNINGS PER SHARE (Tables)
 6 Months Ended
Jun. 30, 2017
Earnings Per Share [Abstract]  
Schedule of information used to compute basic and diluted earnings per share
The following table presents the information used to compute basic and diluted earnings per common share for the periods indicated:
 
 
Three Months Ended
June 30,
 
Six Months Ended
June 30,
(dollars in thousands, except per share data)
2017
 
2016
 
2017
 
2016
Net income
$
12,025

 
$
12,137

 
$
25,104

 
$
23,318

 
 
 
 
 
 
 
 
Weighted average shares outstanding - basic
30,568,247

 
31,060,593

 
30,641,165

 
31,162,013

Dilutive effect of employee stock options and awards
235,478

 
201,932

 
238,758

 
197,555

Weighted average shares outstanding - diluted
30,803,725

 
31,262,525

 
30,879,923

 
31,359,568

 
 
 
 
 
 
 
 
Basic earnings per common share
$
0.39

 
$
0.39

 
$
0.82

 
$
0.75

Diluted earnings per common share
$
0.39

 
$
0.39

 
$
0.81

 
$
0.74