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Segmented Financial Information - Assets By Segment (Details) - CAD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Disclosure of operating segments [line items] |  |
Assets | $ 4,834,643 | $ 3,408,096
Operating segments | Canada |  |
Disclosure of operating segments [line items] |  |
Assets | 2,658,281 | 1,646,412
Operating segments | U.S. |  |
Disclosure of operating segments [line items] |  |
Assets | 2,152,323 | 1,737,533
Operating segments | Corporate |  |
Disclosure of operating segments [line items] |  |
Assets | $ 24,039 | $ 24,151

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