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Equity - Summary of Outstanding Units (Detail) number in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Outstanding (in units) | 4,273 | 4,255
Vested (in units) | 2,528 | 3,398
DSUs |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Outstanding (in units) | 2,463 | 2,644
Vested (in units) | 2,463 | 2,644
RSUs |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Outstanding (in units) | 892 | 821
Vested (in units) | 0 | 381
PSUs |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Outstanding (in units) | 741 | 667
Vested (in units) | 0 | 312
PDSUs |  |
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Outstanding (in units) | 177 | 123
Vested (in units) | 65 | 61

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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 2019-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2019-en-r&anchor=para_45&doctype=Standard -URIDate 2019-03-27 + 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 2019-01-01 -Paragraph 45 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2019-en-r&anchor=para_45&doctype=Standard -URIDate 2019-03-27 + Details
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- Details
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- Details
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