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Share Based Payments - Schedule of Number of Other Equity Instruments (Details) | 12 Months Ended
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Dec. 31, 2020 CAD ($) shares | Dec. 31, 2019 CAD ($) shares | Dec. 31, 2018 CAD ($) shares
Restricted share units |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Outstanding, beginning of the year (shares) | 209,657 | 260,755 | 190,407
Granted during the year (shares) | 154,923 | 270,098 | 102,855
Forfeited during the year (shares) | 0 | 0 | (4,210)
Vested during the year (shares) | (229,962) | (321,196) | (28,297)
Outstanding, end of the year (shares) | 134,618 | 209,657 | 260,755
Weighted average fair value at measurement date, other equity instruments granted | $ | $ 2.41 | $ 0.80 | $ 3.35
Performance share units |  |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |  |
Outstanding, beginning of the year (shares) | 61,051 | 63,156 | 94,734
Forfeited during the year (shares) | 0 | 0 | (31,578)
Vested during the year (shares) | (4,210) | (2,105) | 0
Outstanding, end of the year (shares) | 56,841 | 61,051 | 63,156

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- Definition The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph 47 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_47_b&doctype=Standard -URIDate 2020-01-01 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The number of other equity instruments (ie other than share options) exercised or vested in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The number of other equity instruments (ie other than share options) forfeited in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45&doctype=Standard -URIDate 2020-01-01 + 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 2020-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45&doctype=Standard -URIDate 2020-01-01 + 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 2020-01-01 -Paragraph 47 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_47_b&doctype=Standard -URIDate 2020-01-01 + Details
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