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Leases - Schedule of Lease obligation adoption (Detail) - CAD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure Of Detailed Information About Lease Liabilities [Line Items]    
Lease liabilities, beginning of period $ 4,031 $ 2,645
Additions 0 2,121
Terminations (124) (34)
Interest expense on lease liabilities 265 254
Payment of lease liabilities (1,003) (955)
Balance, end of period 3,169 4,031
Current portion 706 778
Non-current portion $ 2,463 $ 3,253