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EARNINGS PER SHARE DATA (Tables)
6 Months Ended
Jun. 30, 2015
EARNINGS PER SHARE DATA [Abstract]  
Computation of Basic and Diluted Earnings per Share
The following table sets forth the computation of basic and diluted earnings per share for the periods indicated (in thousands, except per share data):

 
Three Months Ended
 June 30,
 
Six Months Ended
June 30,
 
 
2015
 
2014
 
2015
 
2014
 
Basic:        
Weighted average shares outstanding14,368  14,708  14,380  14,716  
Net income
 $     7,167
 
$      14,884
 
$   16,818
 
$   25,847
 
Convertible preferred stock dividend
22
 
22
 
45
 
45
 
Net income attributable to common shareholders
 
$    7,145
 
 
$      14,862
 
 
$  16,773
 
 
$   25,802
 
Per share amount
$      0.50
 
$          1.01
 
$      1.17
 
$       1.75
 
                 
Diluted:
               
Weighted average shares outstanding
14,368
 
14,708
 
14,380
 
14,716
 
Assumed conversion of convertible
 preferred stock
840
 
840
 
840
 
 
840
 
Total dilutive shares
15,208
 
15,548
 
15,220
 
15,556
 
Net income attributable to
 common shareholders
 
$    7,145
 
 
$      14,862
 
 
$    16,773
 
 
$  25,802
 
Convertible preferred stock dividend
22
 
22
 
45
 
45
 
Net income for diluted
 earnings per share
 $    7,167
 
$      14,884
 
$    16,818
 
 
$  25,847
 
Per share amount
$      0.47
 
$          0.96
 
$        1.11
 
$      1.66