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SHARE-BASED COMPENSATION - Restricted Stock and Performance Share Units Fair Value Inputs (Details) | 12 Months Ended
--- | ---
Dec. 31, 2021 CAD ($) year | Dec. 31, 2020 CAD ($) year
Restricted Share Units |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Expected life of units issued (years) | year | 1.9 | 2.4
Grant-date fair value (CAD per share)1 | $ | $ 4.12 | $ 3.32
Performance Share Units |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Expected life of units issued (years) | year | 0.5 | 0.7
Grant-date fair value (CAD per share)1 | $ | $ 4.39 | $ 3.23

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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 weighted average fair value at the measurement date of granted equity instruments other than share options. [Refer: Weighted average [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2021-01-01 -Paragraph 47 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_47_b&doctype=Standard -URIDate 2021-03-24 + Details
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