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Lease Assets - Additional Information (Details) - CAD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Disclosure of detailed information about quantitative information about leases for lessee [Line Items]
Onerous contracts provision		$ 12.5
Bottom of range | Office space
Disclosure of detailed information about quantitative information about leases for lessee [Line Items]
Lease term	1 year
Bottom of range | Office equipment
Disclosure of detailed information about quantitative information about leases for lessee [Line Items]
Lease term	2 years
Bottom of range | IT and other equipment
Disclosure of detailed information about quantitative information about leases for lessee [Line Items]
Lease term	1 year
Top of range | Office space
Disclosure of detailed information about quantitative information about leases for lessee [Line Items]
Lease term	18 years
Top of range | Office equipment
Disclosure of detailed information about quantitative information about leases for lessee [Line Items]
Lease term	7 years
Top of range | IT and other equipment
Disclosure of detailed information about quantitative information about leases for lessee [Line Items]
Lease term	5 years
Weighted average | Office space
Disclosure of detailed information about quantitative information about leases for lessee [Line Items]
Lease term	7 years 3 months 18 days	7 years 1 month 6 days
Weighted average | Office equipment
Disclosure of detailed information about quantitative information about leases for lessee [Line Items]
Lease term	3 years 4 months 24 days	2 years 6 months

X

- Definition

The amount of provision for onerous contracts. An onerous contract is a contract in which the unavoidable costs of meeting the obligation under the contract exceed the economic benefits expected to be received under it. [Refer: Other provisions]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 37
-IssueDate 2021-01-01
-Paragraph 66
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=37&code=ifrs-tx-2021-en-r&anchor=para_66&doctype=Standard
-URIDate 2021-03-24

+ Details

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X

- Definition

Disclosure of detailed information about quantitative information about leases for lessee

+ References

No definition available.

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- Definition

Lease Term

+ References

No definition available.

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