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Equity - Summary of Outstanding Units (Detail) number in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Outstanding (in units) | 5,625 | 4,273
Vested (in units) | 3,109 | 2,528
DSUs |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Outstanding (in units) | 2,555 | 2,463
Vested (in units) | 2,555 | 2,463
RSUs |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Outstanding (in units) | 1,408 | 892
Vested (in units) | 484 | 0
PSUs |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Outstanding (in units) | 1,449 | 741
Vested (in units) | 0 | 0
PDSUs |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Outstanding (in units) | 213 | 177
Vested (in units) | 70 | 65

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + 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) 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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- Details
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