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Stockholders' Equity
12 Months Ended
Dec. 31, 2022
Equity [Abstract]  
Stockholders' Equity
Note 17.    Stockholders’ Equity
 
    
Common Stock
    
Treasury Stock
 
(number of shares in thousands)
  
2022
    
2021
    
2020
    
2022
   
2021
   
2020
 
At January 1
     29,554.5        29,554.5        29,554.5        4,781       4,959       5,047  
Exercise of options
     —          —          —          (55     (185     (109
Stock purchases
     —          —          —          63       7       21  
    
 
 
    
 
 
    
 
 
    
 
 
   
 
 
   
 
 
 
At December 31
     29,554.5        29,554.5        29,554.5        4,789       4,781       4,959  
    
 
 
    
 
 
    
 
 
    
 
 
   
 
 
   
 
 
 
At December 31, 2022, the Company had authorized common stock of 40,000,000 shares (2021 - 40,000,000).