XML 134 R116.htm IDEA: XBRL DOCUMENT v3.22.2
Share Capital Authorized - Summary of Issues and Outstanding (Detail) - CAD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of classes of share capital [line items]          
Exercise of stock options $ 468 $ 440 $ 1,783 $ 1,725 $ 10,187
Ordinary shares [member]          
Disclosure of classes of share capital [line items]          
Balance, January 1 $ 375,524 $ 375,524 $ 375,524 $ 375,524  
Balance, January 1 (Shares) 89,678,845 89,678,845 89,678,845 89,678,845  
Exercise of stock options     $ 0 $ 0  
Exercise of stock options (Shares)     0 0  
Ending balance     $ 375,524 $ 375,524 $ 375,524
Ending balance (Shares)     89,678,845 89,678,845 89,678,845