ORGANIZATION OF THE PARENT COMPANY AND THE OPERATING PARTNERSHIP - Schedule of Core Portfolio of Operating Properties and Excludes Development, Redevelopment and Held for Sale (Details)	Sep. 30, 2024 ft² property
Real Estate Properties [Line Items]
Number of Properties | property	67
Rentable Square Feet | ft²	12,489,806
Occupancy percentage	90.00%
Core Properties
Real Estate Properties [Line Items]
Number of Properties | property	64
Rentable Square Feet | ft²	12,176,827
Office properties
Real Estate Properties [Line Items]
Number of Properties | property	60
Rentable Square Feet | ft²	11,252,377
Mixed-use properties
Real Estate Properties [Line Items]
Number of Properties | property	4
Rentable Square Feet | ft²	924,450
Development/redevelopment properties
Real Estate Properties [Line Items]
Number of Properties | property	2
Rentable Square Feet | ft²	144,685
Recently completed - not stabilized properties
Real Estate Properties [Line Items]
Number of Properties | property	1
Rentable Square Feet | ft²	168,294