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Financial Instruments - Additional Information (Detail)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2022
CAD ($)
Jun. 30, 2021
CAD ($)
Jun. 30, 2022
CAD ($)
Jun. 30, 2021
CAD ($)
Dec. 31, 2021
CAD ($)
Dec. 31, 2020
CAD ($)
Dec. 31, 2019
CAD ($)
Mar. 31, 2022
CAD ($)
Mar. 31, 2021
CAD ($)
Dec. 31, 2018
CAD ($)
Disclosure of detailed information about financial instruments [line items]                    
Financial assets at fair value $ 300   $ 300   $ 300          
Cumulative estimated gain losses on termination of forward contracts         100          
Gain losses on cash flow hedges net of tax 205 $ 78 $ 60 $ 150 247 $ 545 $ (815)      
Accumulated fair value hedge adjustment on hedged item included in carrying amount liabilities         $ 200 500 900      
Percentage change in rate of interest percentage     1.00%   1.00%          
Estimated increase decrease in annual interest expense     $ 800   $ 700          
Cash and cash equivalents 147,078 $ 98,972 147,078 $ 98,972 172,758 95,676 $ 96,255 $ 133,214 $ 110,642 $ 326,864
Financial liabilities, at fair value 200   200   180 371        
Bank And Asset Based Facilities [Member]                    
Disclosure of detailed information about financial instruments [line items]                    
Loans received 78,400   78,400   67,900          
Debt instrument unused borrowing capacity 678,700   $ 678,700   $ 681,500          
Bank Facility Asset Facility And Notes [Member]                    
Disclosure of detailed information about financial instruments [line items]                    
Net debt to earnings before interest tax depreciation and amortization     36   1          
Maximum net debt to earnings before interest tax depreciation and amortization     3   3          
Actual interest coverage ratio     9   8          
Minimum interest coverage ratio     3   3          
Investment In Preferred Shares [Member]                    
Disclosure of detailed information about financial instruments [line items]                    
Financial assets at fair value         $ 27,500 25,700        
Investment In Preferred Shares [Member] | Long Term Receivables [Member]                    
Disclosure of detailed information about financial instruments [line items]                    
Financial assets at amortized costs         $ 24,200 $ 22,000        
Bottom of range [member]                    
Disclosure of detailed information about financial instruments [line items]                    
Percentage of entities revenue         10.00% 10.00%        
Percentage of accounts receivable and contract assets         10.00% 10.00%        
Bottom of range [member] | Investment In Preferred Shares [Member] | Long Term Receivables [Member]                    
Disclosure of detailed information about financial instruments [line items]                    
Financial assets at amortized costs 25,900   $ 25,900   $ 24,200          
Top of range [member] | Investment In Preferred Shares [Member]                    
Disclosure of detailed information about financial instruments [line items]                    
Financial assets at fair value 25,000   25,000   27,500          
Foreign Currency [Member]                    
Disclosure of detailed information about financial instruments [line items]                    
Gain losses on cash flow hedges net of tax     43,000              
Senior Unsecured Notes [Member]                    
Disclosure of detailed information about financial instruments [line items]                    
Financial liabilities at amortized costs         280,300          
Financial liabilities, at fair value         280,295 $ 284,605        
Senior Unsecured Notes [Member] | Bottom of range [member]                    
Disclosure of detailed information about financial instruments [line items]                    
Financial liabilities at amortized costs 270,500   270,500   266,900          
Senior Unsecured Notes [Member] | Top of range [member]                    
Disclosure of detailed information about financial instruments [line items]                    
Financial liabilities at amortized costs $ 261,500   $ 261,500   $ 280,300          
Senior Unsecured Notes [Member] | Discount rate, measurement input [member] | Weighted average [member]                    
Disclosure of detailed information about financial instruments [line items]                    
Weighted average discount rate 5.9   5.9   3.5