The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims.

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+ Details

Segmented Information - Additional Information (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
Statements [Line Items]
Revenue	$ 323,069	$ 203,205	$ 960,156	$ 1,217,052	$ 2,045,422
Accounts Receivable And Contract Assets [Member]
Statements [Line Items]
Revenue	$ 17,700			$ 68,000
Percentage of entity's revenue	8.00%			12.00%
USA And Canada Segments [Member]
Statements [Line Items]
Percentage of entity's revenue description		no	no	no
Revenue	$ 46,000				$ 262,500
Percentage of entity's revenue	14.20%				12.80%