ORGANIZATION OF THE PARENT COMPANY AND THE OPERATING PARTNERSHIP - Summary of Core Portfolio of Operating Properties and Excludes Development, Redevelopment and Held for Sale (Details)	Mar. 31, 2023 ft² property
Real Estate Properties [Line Items]
Number of Properties | property	77
Rentable area (in square feet) | ft²	13,578,188
Core Properties
Real Estate Properties [Line Items]
Number of Properties | property	72
Rentable area (in square feet) | ft²	12,791,041
Office properties
Real Estate Properties [Line Items]
Number of Properties | property	67
Rentable area (in square feet) | ft²	11,848,707
Mixed-use properties
Real Estate Properties [Line Items]
Number of Properties | property	5
Rentable area (in square feet) | ft²	942,334
Development property
Real Estate Properties [Line Items]
Number of Properties | property	2
Rentable area (in square feet) | ft²	350,488
Redevelopment properties
Real Estate Properties [Line Items]
Number of Properties | property	3
Rentable area (in square feet) | ft²	436,659