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Share-Based Compensation - Summary of Share-based Compensation Expenses (Detail) - CAD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Share-based compensation expense $ 16,162 $ 12,937
Equity settled share-based payments [member]    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Share-based compensation expense 1,558 1,783
Deferred share units [member]    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Share-based compensation expense 3,622 3,053
Phantom share entitlement plan [member]    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Share-based compensation expense 117 102
Performance share units [member]    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Share-based compensation expense 4,172 3,470
Restricted share units [member]    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Share-based compensation expense 4,454 2,751
Cash performance target [member]    
Disclosure of terms and conditions of share-based payment arrangement [line items]    
Share-based compensation expense $ 2,239 $ 1,778