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Common Stock and Treasury Stock (Tables)
3 Months Ended
Mar. 31, 2019
Stockholders' Equity Note [Abstract]  
Schedule of Stock by Class
The following summarizes information relating to the number of shares of our common stock issued in connection with stock transactions through March 31, 2019:
 
 
 
Common Stock Issued
 
 
 
Class A
 
 
Class B
 
 
 
(Shares in thousands)
 
Balance, January 1, 2018
 
 
6,694
 
 
 
898
 
Conversion of shares
 
 
12
 
 
 
(12
)
Issuance of restricted stock
 
 
27
 
 
 
37
 
Forfeiture of restricted stock
 
 
(1
)
 
 
 
Balance, December 31, 2018
 
 
6,732
 
 
 
923
 
Balance, March 31, 2019
 
 
6,732
 
 
 
923