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EARNINGS PER SHARE (Tables)
6 Months Ended
Jun. 30, 2016
Earnings Per Share [Abstract]  
Schedule of Earnings Per Share
Earnings per share have been computed based on the following (average diluted shares outstanding are calculated using the treasury stock method):
 
Three Months Ended June 30,
 
Six Months Ended June 30,
(In thousands, except per share data)
2016
 
2015
 
2016
 
2015
Net income
$
15,957

 
$
10,044

 
$
31,958

 
$
18,803

 
 
 
 
 
 
 
 
Average number of common shares issued
32,213

 
29,975

 
32,188

 
28,260

Less: average number of treasury shares
1,075

 
1,193

 
1,107

 
1,244

Less: average number of unvested stock award shares
533

 
481

 
520

 
459

Average number of basic common shares outstanding
30,605

 
28,301

 
30,561

 
26,557

Plus: dilutive effect of unvested stock award shares
102

 
94

 
99

 
91

Plus: dilutive effect of stock options outstanding
58

 
66

 
65

 
65

Average number of diluted common shares outstanding
30,765

 
28,461

 
30,725

 
26,713

 
 
 
 
 
 
 
 
Earnings per share:
 

 
 

 
 

 
 

Basic
$
0.52

 
$
0.35

 
$
1.05

 
$
0.71

Diluted
$
0.52

 
$
0.35

 
$
1.04

 
$
0.70