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EARNINGS PER SHARE (Tables)
3 Months Ended
Mar. 31, 2018
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 March 31,
(In thousands, except per share data)
2018
 
2017
Net income
$
25,248

 
$
15,460

 
 
 
 
Average number of common shares issued
46,212

 
36,732

Less: average number of treasury shares
869

 
1,020

Less: average number of unvested stock award shares
420

 
432

Plus: average participating preferred shares
1,043

 

Average number of basic shares outstanding
45,966

 
35,280

Plus: dilutive effect of unvested stock award shares
202

 
126

Plus: dilutive effect of stock options outstanding
32

 
46

Average number of diluted shares outstanding
46,200

 
35,452

 
 
 
 
Earnings per share:
 

 
 

Basic
$
0.55

 
$
0.44

Diluted
$
0.55

 
$
0.44