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Share-Based Payments - Other Share Based Payment Plan (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 CAD ($) | Dec. 31, 2020 CAD ($)
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Units outstanding (in shares) | 5,746 | 5,831
Liabilities accrued | $ 377,000 | $ 306,000
Compensation expense | 757,000 | 540,000
Sun Share Units and Deferred Share Units (DSU) |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Compensation expense | 213,000 | 140,000
Income tax expense (benefit) | $ (54,000) | $ (34,000)
Sun Shares |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Units outstanding (in shares) | 4,817 | 4,971
Liabilities accrued | $ 314,000 | $ 258,000
DSUs |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Units outstanding (in shares) | 929 | 860
Liabilities accrued | $ 63,000 | $ 48,000

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of expense from share-based payment transactions with employees. [Refer: Expense from share-based payment transactions] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of liabilities arising from share-based payment transactions. Share-based payment transactions are transactions in which the entity: (a) receives goods or services from the supplier of those goods or services (including an employee) in a share-based payment arrangement; or (b) incurs an obligation to settle the transaction with the supplier in a share-based payment arrangement when another group entity receives those goods or services. [Refer: Share-based payment arrangements [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 51 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_51_b_i&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The number of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition Tax Expense (Income) From Share-Based Payment Transactions With Employees + References No definition available. + Details
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