Real Property Acquisitions and Development - Amica Senior Lifestyles Acquisition (Details) - Subsequent event $ in Millions	Apr. 01, 2026 CAD ($) community property
Amica Senior Lifestyles, Unconsolidated Properties
Business Combination [Line Items]
Number of properties | property	4
Payments for investments	$ 38
Amica Senior Lifestyles Acquisition
Business Combination [Line Items]
Number of assets acquired | community	34
Consideration transferred	$ 4,000
Secured debt	$ 567
Amica Senior Lifestyles Acquisition, Forward Purchase Agreement
Business Combination [Line Items]
Number of assets acquired | community	5
Consideration transferred	$ 1,000