Equity - Summary of Outstanding Units (Detail) - shares shares in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Disclosure of terms and conditions of share-based payment arrangement [line items]
Outstanding (in units)	7,040	5,625
Vested (in units)	2,593	2,625
DSUs
Disclosure of terms and conditions of share-based payment arrangement [line items]
Outstanding (in units)	2,526	2,555
Vested (in units)	2,526	2,555
RSUs
Disclosure of terms and conditions of share-based payment arrangement [line items]
Outstanding (in units)	2,707	1,408
Vested (in units)	0	0
PSUs
Disclosure of terms and conditions of share-based payment arrangement [line items]
Outstanding (in units)	1,622	1,449
Vested (in units)	0	0
PDSUs
Disclosure of terms and conditions of share-based payment arrangement [line items]
Outstanding (in units)	185	213
Vested (in units)	67	70

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.

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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 2021-01-01
-Paragraph 45
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-URIDate 2021-03-24

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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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