Equity - Summary of Outstanding Units (Detail) number in Thousands	12 Months Ended
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

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.

No definition available.

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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

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- Definition

The number of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement.

+ References

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