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Earnings Per Share (Tables)
 12 Months Ended
Dec. 31, 2021
Earnings Per Share [Abstract]  
Earnings Per Share

The following is a reconciliation of the income (loss) and number of shares used in calculating the diluted earnings per share for Common Stock and Class A Common Stock (amounts in thousands except per share data):
Numerator:
  
2021
    
2020
    
2019
  
Common:
                  
Distributed earnings
  
$
48,837
    
$
46,564
    
$
13,913
  
Undistributed earnings
    
35,653
      
7,954
      
6,284

Basic
    
84,490
      
54,518
      
20,197
  
Class A Common earnings
    
6,313
      
4,630
      
1,668
  
Diluted
  
$
90,803
    
$
59,148
    
$
21,865
  
Class A Common:
                        
Distributed earnings
  
$
3,609
    
$
3,957
    
$
1,143
  
Undistributed earnings
    
2,704
      
673
      
525

   
$
6,313
    
$
4,630
    
$
1,668
  

Denominator:
  
2021
    
2020
    
2019
  
Common:
                  
Weighted average shares outstanding - basic
    
16,710
      
17,128
      
18,360
  
Assumed conversion of Class A Common Stock
    
1,330
      
1,522
      
1,611
  
Dilutive awards and common stock equivalents
    
503
      
282
      
290
  
Total weighted average diluted Common Stock
    
18,543
      
18,932
      
20,261
  
Class A Common:
                        
Weighted average shares outstanding
    
1,330
      
1,522
      
1,611
  
                         
Basic net earnings per share
                        
Common Stock
  
$
5.06
    
$
3.18
    
$
1.10
  
Class A Common Stock
  
$
4.75
    
$
3.04
    
$
1.04
  
Diluted net earnings per share
                        
Common Stock
  
$
4.90
    
$
3.12
    
$
1.08
  
Class A Common Stock
  
$
4.69
    
$
3.04
    
$
1.03