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Supplemental Information - Employee Compensation Costs (Details) - CAD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Disclosure Of Employee Compensation [Line Items] |  |
Employee compensation costs | $ 40,591 | $ 31,867
Operating |  |
Disclosure Of Employee Compensation [Line Items] |  |
Employee compensation costs | 11,053 | 9,065
General and administrative |  |
Disclosure Of Employee Compensation [Line Items] |  |
Employee compensation costs | $ 29,538 | $ 22,802

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