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EARNINGS PER SHARE (Tables)
 9 Months Ended
Sep. 30, 2018
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
September 30,
 
Nine Months Ended
September 30,
(dollars in thousands, except per share data)
2018
 
2017
 
2018
 
2017
Net income
$
15,193

 
$
11,812

 
$
43,694

 
$
36,916

 
 
 
 
 
 
 
 
Weighted average common shares outstanding - basic
29,297,465

 
30,300,195

 
29,536,536

 
30,526,260

Dilutive effect of employee stock options and awards
182,347

 
214,264

 
206,702

 
232,729

Weighted average common shares outstanding - diluted
29,479,812

 
30,514,459

 
29,743,238

 
30,758,989

 
 
 
 
 
 
 
 
Basic earnings per common share
$
0.52

 
$
0.39

 
$
1.48

 
$
1.21

Diluted earnings per common share
$
0.52

 
$
0.39

 
$
1.47

 
$
1.20

 
 
 
 
 
 
 
 
Anti-dilutive employee stock options and awards outstanding
—

 
80

 
—

 
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