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Capital Management (Tables)
 12 Months Ended
Dec. 31, 2022
Capital Management [Abstract]  
Summary of Capitalisation and Ratio
As at December 31, 2022 and 2021, these ratios were as follows:
 
     
2022
      2021  
Long-term debt
   
$
1,085,970
 
    $ 1,106,794  
Shareholders’ equity
   
 
1,230,529
 
      1,225,555   
Total capitalization
   
$
              2,316,499
 
    $               2,332,349  
Long-term debt to long-term debt plus equity ratio
   
 
0.47
 
      0.47