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EARNINGS (LOSS) PER SHARE (Tables)
 3 Months Ended
Mar. 31, 2017
EARNINGS (LOSS) PER SHARE [Abstract]  
Schedule of earnings and weighted average shares outstanding used in the computation of basic and diluted earnings (loss) per share
The following table sets forth the calculation of basic and diluted net earnings (loss) per common share under the two-class method for the three months ended March 31, 2017 and 2016:


   
Three Months Ended
 
   
March 31,
 
  
2017
  
2016
 
       
Numerator:
      
Net earnings (loss)
 
$
746
  
$
(100,696
)
Less dividends declared:
        
     Class A
  
130
   
131
 
     Class B
  
699
   
682
 
Undistributed loss
 
$
(83
)
 
$
(101,509
)
         
Undistributed loss allocation - basic and diluted:
        
     Class A undistributed loss
 
$
(14
)
 
$
(17,860
)
     Class B undistributed loss
  
(69
)
  
(83,649
)
     Total undistributed loss
 
$
(83
)
 
$
(101,509
)
         
Net earnings (loss) allocation - basic and diluted:
        
     Class A net earnings (loss)
 
$
116
  
$
(17,729
)
     Class B net earnings (loss)
  
630
   
(82,967
)
     Net earnings (loss)
 
$
746
  
$
(100,696
)
         
Denominator:
        
Weighted-average shares outstanding:
        
     Class A - basic and diluted
  
2,175
   
2,175
 
     Class B - basic and diluted
  
9,845
   
9,701
 
         
Net earnings (loss) per share:
        
     Class A - basic and diluted
 
$
0.05
  
$
(8.15
)
     Class B - basic and diluted
 
$
0.06
  
$
(8.55
)