Investments in Unconsolidated Real Estate Ventures - Additional Information (Detail) - CAD ($) $ in Millions	Jan. 09, 2024	Nov. 14, 2023	Feb. 21, 2023
Dorval
Schedule Of Equity Method Investments [Line Items]
Percentage of units subscribed at closing in limited partnership			50.00%
Subscription price of units in limited partnership			$ 3.0
Subscription price as percentage of agreed upon fair market value of land to be contributed to the limited partnership			50.00%
Percentage of units to be subscribed at closing in limited partnership			50.00%
Hamilton
Schedule Of Equity Method Investments [Line Items]
Percentage of units subscribed at closing in limited partnership		50.00%
Subscription price of units in limited partnership		$ 1.5
Subscription price as percentage of agreed upon fair market value of land to be contributed to the limited partnership		50.00%
Percentage of units to be subscribed at closing in limited partnership		50.00%
Montreal
Schedule Of Equity Method Investments [Line Items]
Percentage of units subscribed at closing in limited partnership	50.00%
Subscription price of units in limited partnership	$ 4.5
Subscription price as percentage of agreed upon fair market value of land to be contributed to the limited partnership	50.00%
Percentage of units to be subscribed at closing in limited partnership	50.00%