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Share-Based Compensation - Summary of Share-based Compensation Expenses (Detail) - CAD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation expense	$ 4,049	$ 5,267	$ 12,937	$ 1,816	$ 7,749
Equity settled share-based payments [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation expense	457	440	1,783	1,725	2,735
Deferred share units [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation expense			3,053	(1,830)	(720)
Phantom share entitlement plan [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation expense			102	(54)	(449)
Performance share units [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation expense			3,470	667	2,754
Restricted share units [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation expense			2,751	755	2,199
Cash performance target [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation expense			$ 1,778	$ 553	$ 1,230
Cash settled sharebased payments [Member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Share-based compensation expense	$ 3,592	$ 4,827

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- Definition

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.

+ References

No definition available.

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- Definition

The amount of expense arising from share-based payment transactions in which the goods or services received did not qualify for recognition as assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 51
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_51_a&doctype=Standard
-URIDate 2021-03-24

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