Leases - Additional Information (Detail) - CAD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement [LineItems]
Payment of short term lease expenses	$ 1,975	$ 2,305
Right-of-use assets	2,640	3,544	$ 2,217
Undiscounted operating lease payments	5,268	6,889
Vehicles [member]
Statement [LineItems]
Right-of-use assets	1	81
Corporate Office Leases [Member]
Statement [LineItems]
Right-of-use assets	$ 2,639	$ 3,463

The amount of assets that represent a lessee's right to use an underlying asset for the lease term. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 16
-IssueDate 2021-01-01
-Paragraph 53
-Subparagraph j
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2021-en-r&anchor=para_53_j&doctype=Standard
-URIDate 2021-03-24

Name:	ifrs-full_RightofuseAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant