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Income Tax - Summary Of Deductible Temporary Differences Of Income Tax Expenses (Detail) - CAD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Disclosure of Deductible Temporary Differences of Income Tax Expenses [Line Items] |  |
Deductible temporary differences for which no deferred tax asset is recognised | $ 225,903 | $ 49,667
Canadian Tax losses [Member] |  |
Disclosure of Deductible Temporary Differences of Income Tax Expenses [Line Items] |  |
Deductible temporary differences for which no deferred tax asset is recognised | 138,408 |
Canadian Capital assets [Member] |  |
Disclosure of Deductible Temporary Differences of Income Tax Expenses [Line Items] |  |
Deductible temporary differences for which no deferred tax asset is recognised | 22,758 |
Canadian Accounting provisions & other accruals [Member] |  |
Disclosure of Deductible Temporary Differences of Income Tax Expenses [Line Items] |  |
Deductible temporary differences for which no deferred tax asset is recognised | 26,363 |
Foreign Tax losses [Member] |  |
Disclosure of Deductible Temporary Differences of Income Tax Expenses [Line Items] |  |
Deductible temporary differences for which no deferred tax asset is recognised | $ 38,374 | $ 49,667

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- Definition The amount of deductible temporary differences for which no deferred tax asset is recognised in the statement of financial position. [Refer: Temporary differences [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2021-01-01 -Paragraph 81 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_e&doctype=Standard -URIDate 2021-03-24 + Details
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