INVESTMENT PROPERTIES - Components of investment properties (Details) - CAD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Investment Properties:
Investment properties	$ 8,808,139	$ 8,839,571
Income-producing properties
Investment Properties:
Investment properties	8,641,352	8,486,105	$ 7,727,368
Properties under development
Investment Properties:
Investment properties	120,940	272,504	162,817
Land held for development
Investment Properties:
Investment properties	$ 45,847	$ 80,962	$ 80,973

The amount of property (land or a building - or part of a building - or both) held (by the owner or by the lessee as a right-of-use asset) to earn rentals or for capital appreciation or both, rather than for: (a) use in the production or supply of goods or services or for administrative purposes; or (b) sale in the ordinary course of business.

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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