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Segmented Financial Information - Assets By Segment (Details) - CAD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Disclosure of operating segments [line items] |  |
Assets | $ 5,103,769 | $ 4,834,643
Operating segments | Canada |  |
Disclosure of operating segments [line items] |  |
Assets | 2,779,596 | 2,658,281
Operating segments | U.S. |  |
Disclosure of operating segments [line items] |  |
Assets | 2,301,047 | 2,152,323
Operating segments | Corporate |  |
Disclosure of operating segments [line items] |  |
Assets | $ 23,126 | $ 24,039

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