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Capital Management (Tables)
 12 Months Ended
Dec. 31, 2021
Capital Management [Abstract]  
Summary of Capitalisation and Ratio
As at December 31, 2021 and 2020, these ratios were as follows:
 
     
                        2021
                              2020  
Long-term debt
   
$
1,106,794
 
    $ 1,236,210  
Shareholders’ equity
   
 
1,225,555
 
      1,406,640  
Total capitalization
   
$
2,332,349
 
    $ 2,642,850    
Long-term debt to long-term debt plus equity ratio
   
 
0.47
 
      0.47