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Income Taxes (Tax rate reconciliation) (Details) - CAD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Reconciliation Of Accounting Profit Multiplied By Applicable Tax Rates [Abstract] |  |
Earnings (loss) before income taxes and non-controlling interest | $ 84,795 | $ (103,855)
Combined federal and provincial tax rate | 26.90% | 26.90%
Computed income tax expense (recovery) | $ 22,810 | $ (27,937)
Increase (decrease) in taxes resulting from: |  |
Difference between Canadian rates and rates applicable to subsidiaries in other countries | 8,986 | 28,690
Change in unrecognized deferred tax assets | 1,234 | 22,068
Income in equity-accounted investee | (25,264) | (24,481)
Change in uncertain tax positions | (6,282) | 1,099
Bargain purchase gain | (6,129) | 0
Other permanent differences | 176 | (640)
Income tax expense (recovery) | $ (4,469) | $ (1,201)

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- Definition The amount of profit (loss) for a period before deducting tax expense. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2021-01-01 -Paragraph 81 -Subparagraph c -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_c_ii&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2021-01-01 -Paragraph 81 -Subparagraph c -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_c_i&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to foreign tax rates. [Refer: Accounting profit] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2021-01-01 -Paragraph 81 -Subparagraph c -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=12&code=ifrs-tx-2021-en-r&anchor=para_81_c_i&doctype=Standard -URIDate 2021-03-24 + Details
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