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EARNINGS PER SHARE
 6 Months Ended
Jun. 30, 2018
EARNINGS PER SHARE [Abstract]  
EARNINGS PER SHARE
3.
EARNINGS PER SHARE

The following table sets forth the calculation of basic and diluted net earnings per common share under the two-class method for the three and six months ended June 30, 2018 and 2017:

  
 
Three Months Ended
  
Six Months Ended
 
 
 
June 30,
  
June 30,
 
 
 
2018
  
2017
  
2018
  
2017
 
 
            
Numerator:
            
Net earnings
 
$
6,634
  
$
3,120
  
$
5,332
  
$
3,866
 
Less dividends declared:
                
     Class A
  
130
   
131
   
261
   
261
 
     Class B
  
689
   
689
   
1,389
   
1,388
 
Undistributed earnings
 
$
5,815
  
$
2,300
  
$
3,682
  
$
2,217
 
 
                
Undistributed earnings allocation - basic and diluted:
                
     Class A undistributed earnings
 
$
1,011
  
$
399
  
$
640
  
$
385
 
     Class B undistributed earnings
  
4,804
   
1,901
   
3,042
   
1,832
 
     Total undistributed earnings
 
$
5,815
  
$
2,300
  
$
3,682
  
$
2,217
 
 
                
Net earnings allocation - basic and diluted:
                
     Class A net earnings
 
$
1,141
  
$
530
  
$
901
  
$
646
 
     Class B net earnings
  
5,493
   
2,590
   
4,431
   
3,220
 
     Net earnings
 
$
6,634
  
$
3,120
  
$
5,332
  
$
3,866
 
 
                
Denominator:
                
Weighted-average shares outstanding:
                
     Class A - basic and diluted
  
2,175
   
2,175
   
2,175
   
2,175
 
     Class B - basic and diluted
  
9,844
   
9,859
   
9,850
   
9,852
 
 
                
Net earnings per share:
                
     Class A - basic and diluted
 
$
0.52
  
$
0.24
  
$
0.41
  
$
0.30
 
     Class B - basic and diluted
 
$
0.56
  
$
0.26
  
$
0.45
  
$
0.33