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MORTGAGE AND OTHER INDEBTEDNESS - Fair Value of Fixed and Variable Rate Debt Narrative (Details) $ in Millions	Sep. 30, 2025 USD ($)
Debt Instrument [Line Items]
Percentage bearing fixed interest, amount	$ 2,400.0
Percentage bearing variable interest, amount	562.8
Fixed rate debt
Debt Instrument [Line Items]
Long-term debt, fair value	$ 2,400.0
Fixed rate debt | Minimum
Debt Instrument [Line Items]
Fixed interest rate (as a percent)	5.28%
Fixed rate debt | Maximum
Debt Instrument [Line Items]
Fixed interest rate (as a percent)	6.71%
Variable rate debt
Debt Instrument [Line Items]
Long-term debt, fair value	$ 564.1
Variable interest rate (as a percent)	5.28%

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