MORTGAGE AND OTHER INDEBTEDNESS, NET - Variable Rate Debt (Details)	12 Months Ended
	Dec. 31, 2020 extension_option
Construction loan
Debt Instrument [Line Items]
Fixed interest rate (as a percent)	3.10%
Brookfield Square Anchor Redevelopment
Debt Instrument [Line Items]
Number Of Extension Options Available	1
Debt Instrument Period Of Extension Option	12 months
Variable Rate Debt | Minimum
Debt Instrument [Line Items]
Variable interest rate (as a percent)	3.05%
Variable Rate Debt | Maximum
Debt Instrument [Line Items]
Variable interest rate (as a percent)	5.80%