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Summary of Detailed Information About Reconciliation of Operating Loss to Net Loss Explanatory (Detail) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Disclosure of operating segments [abstract] |  |
Operating earnings (loss) | $ (81,038) | $ (40,988)
Foreign exchange | 393 | 4,542
Finance charges | 91,431 | 107,468
Loss on investments and other assets | 400 | 0
Loss (gain) on redemption and repurchase of unsecured senior notes | 9,520 | (43,814)
Income taxes | (5,396) | 10,954
Net loss | $ (177,386) | $ (120,138)

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