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Long-Term Debt - Additional Information (Detail)
$ in Thousands, $ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2022
CAD ($)
Jun. 30, 2021
CAD ($)
Dec. 31, 2021
CAD ($)
Dec. 31, 2020
CAD ($)
Dec. 31, 2019
CAD ($)
Dec. 31, 2020
USD ($)
Disclosure of detailed information about borrowings [line items]            
Borrowings maturity       December 15, 2024    
Repayment of unsecured notes     $ 40,000 $ 0 $ 0  
Long term debt repayment of principal year five $ 224,800   216,100      
Long term debt repayment of principal after year five 117,500   $ 118,700      
Senior unsecured 2024 and 2027 [member]            
Disclosure of detailed information about borrowings [line items]            
Unsecured notes issued       266,900    
Senior unsecured 2024 [member]            
Disclosure of detailed information about borrowings [line items]            
Unsecured notes issued       $ 15,000   $ 105.0
Senior unsecured 2024 [member] | Canada, Dollars            
Disclosure of detailed information about borrowings [line items]            
Borrowings interest rate       4.50%   4.50%
Senior unsecured 2024 [member] | United States of America, Dollars            
Disclosure of detailed information about borrowings [line items]            
Borrowings interest rate       4.67%   4.67%
Senior unsecured 2027 [member]            
Disclosure of detailed information about borrowings [line items]            
Unsecured notes issued       $ 70,000    
Borrowings maturity       December 15, 2027    
Unsecured notes outstanding       $ 30,000    
Senior unsecured 2027 [member] | Canada, Dollars            
Disclosure of detailed information about borrowings [line items]            
Borrowings interest rate       4.79%   4.79%
Senior unsecured 2027 [member] | United States of America, Dollars            
Disclosure of detailed information about borrowings [line items]            
Borrowings interest rate       4.87%   4.87%
Drawings On Bank Facility [Member]            
Disclosure of detailed information about borrowings [line items]            
Line of credit maximum borrowing capacity 660,000     $ 660,000    
Estimated increase in borrowing capacity $ 150,000     $ 150,000    
Long term debt weighted average interest rate over a period of time 2.10%   2.10% 2.30%    
Drawings On Bank Facility [Member] | Restated Syndicated Revolving Credit Facility Maturing On June Thirtieth Two Thousand And Twenty Five [Member]            
Disclosure of detailed information about borrowings [line items]            
Line of credit maximum borrowing capacity $ 725,000     $ 725,000    
Drawings On Bank Facility [Member] | Restated Syndicated Revolving Credit Facility Maturing On June Thirtieth Two Thousand And Twenty Three [Member]            
Disclosure of detailed information about borrowings [line items]            
Line of credit maximum borrowing capacity 65,000     $ 65,000    
Drawings On Asset Based Facility [Member]            
Disclosure of detailed information about borrowings [line items]            
Credit facility availed $ 52,500 $ 52,500        
Long term debt weighted average interest rate over a period of time 3.00%   3.00% 0.00%    
Unsecured notes 2021 [member]            
Disclosure of detailed information about borrowings [line items]            
Repayment of unsecured notes   $ 40,000