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Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2015
Earnings Per Share [Abstract]  
Reconciliation of Earnings and Number of Shares Used in Calculating Diluted Earnings (Loss) Per Share
The following is a reconciliation of the earnings and number of shares used in calculating the diluted earnings per share for Common Stock and Class A Common Stock (in thousands):

  
Three Months Ended
March 31,
 
  
2015
  
2014
 
Numerator:
    
Common:
    
Distributed earnings
 
$
1,646
  
$
1,610
 
Undistributed earnings
  
3,938
   
3,905
 
Basic
  
5,584
   
5,515
 
Class A Common earnings
  
535
   
614
 
Diluted
 
$
6,119
  
$
6,129
 
         
Class A Common:
        
Distributed earnings
 
$
156
  
$
179
 
Undistributed earnings
  
379
   
435
 
  
$
535
  
$
614
 
Denominator:
        
Common:
        
Weighted average shares outstanding - basic
  
20,569
   
20,157
 
Assumed conversion of Class A Common Stock
  
2,081
   
2,358
 
Dilutive options, awards and common stock equivalents
  
327
   
413
 
         
Total weighted-average diluted Common Stock
  
22,977
   
22,928
 
         
Class A Common:
        
Weighted average shares outstanding
  
2,081
   
2,358