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SENIOR NOTES PAYABLE AND OTHER DEBT - Derivatives and Hedging (Details) $ in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2024 CAD ($)	May 09, 2024 USD ($)	Apr. 29, 2024 USD ($)	Apr. 29, 2024 CAD ($)	Feb. 29, 2024 USD ($)	Feb. 29, 2024 CAD ($)
Mortgage loans and other
Derivative [Line Items]
Principal amount of debt	$ 3,200.0		$ 52.3	$ 75.5	$ 103.0	$ 39.1	$ 52.8
Repayments of debt	48.3
Swap \| Variable Rate Debt
Derivative [Line Items]
Variable rate debt amount	800.0
Derivative, notional amount	141.3
Swap \| Fixed Rate Debt
Derivative [Line Items]
Variable rate debt amount	12,800.0
Derivative, notional amount	$ 526.5	$ 635.9