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EARNINGS PER SHARE (Tables)
 6 Months Ended
Jun. 30, 2016
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)
2016
 
2015
 
2016
 
2015
Net income
$
12,137

 
$
12,335

 
$
23,318

 
$
22,730

 
 
 
 
 
 
 
 
Weighted average shares outstanding - basic
31,060,593

 
31,525,075

 
31,162,013

 
33,166,987

Dilutive effect of employee stock options and awards
201,932

 
427,947

 
197,555

 
421,246

Weighted average shares outstanding - diluted
31,262,525

 
31,953,022

 
31,359,568

 
33,588,233

 
 
 
 
 
 
 
 
Basic earnings per common share
$
0.39

 
$
0.39

 
$
0.75

 
$
0.69

Diluted earnings per common share
$
0.39

 
$
0.39

 
$
0.74

 
$
0.68