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Goodwill and Impairment Review of Goodwill (Tables)
 3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Text Block [Abstract]    
Summary Of Detailed Information About Goodwill
    
March 31,
2022
      December 31,
2021		  
Balance, January 1
   
$
566,270
 
    $ 576,028  
Currency translation effects
   
 
(3,055
) 
      (9,758 ) 
    
 
 
     
 
 
  
    
$
563,215
 
    $ 566,270  
    
 
 
     
 
 
  
 
                 
December 31,
   
2021
      2020  
Balance, January 1
   
$
576,028
 
    $ 573,928  
Currency translation effects
   
 
(9,758
) 
      2,100  
    
 
 
     
 
 
  
    
$
566,270
 
    $ 576,028