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Financial Instruments - Summary of Fair Value Measurement of Financial Assets and Financial Liabilities (Detail) - CAD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of detailed information about financial instruments [line items]      
Financial Assets $ 300 $ 300  
Financial Liabilities $ 400 180 $ 371
Carrying value, Derivative financial instruments   294 491
Carrying value, Long-term receivables   24,172 31,910
Carrying value, Derivative financial instruments   180 371
Carrying value, Long-term debt – Notes   266,865 267,810
Long-term debt – Notes [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Liabilities   280,295 284,605
Long-term receivables [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets   27,471 35,696
Level 1 [member] | Derivative financial instruments [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Liabilities    
Level 1 [member] | Long-term debt – Notes [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Liabilities    
Level 1 [member] | Derivative financial instruments [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets    
Level 1 [member] | Long-term receivables [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets    
Level 2 [member] | Derivative financial instruments [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Liabilities     180
Level 2 [member] | Long-term debt – Notes [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Liabilities     280,295
Level 2 [member] | Derivative financial instruments [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets   294  
Level 2 [member] | Long-term receivables [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets   27,471  
Level 3 [member] | Derivative financial instruments [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Liabilities    
Level 3 [member] | Long-term debt – Notes [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Liabilities    
Level 3 [member] | Derivative financial instruments [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets    
Level 3 [member] | Long-term receivables [member]      
Disclosure of detailed information about financial instruments [line items]      
Financial Assets