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Organization, Ownership and Basis of Presentation (Tables)
 3 Months Ended
Mar. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Real Estate Properties
Our stabilized portfolio of operating properties was comprised of the following properties at March 31, 2024:
Number of
Buildings		Rentable
Square Feet		Number of
Tenants
Percentage 
Occupied (1)
Stabilized Office Properties (2)
121 17,043,497 410 84.2 %
________________________
(1)Represents economic occupancy.
(2)Includes stabilized life science and retail space.
Number of
Projects		Number of
Units		2024 Average Occupancy
Stabilized Residential Properties3 1,001 93.1 %
As of March 31, 2024, the following properties were excluded from our stabilized portfolio:

Number of
Properties/Projects
Estimated Rentable
Square Feet (1)
In-process development projects - under construction1875,000 
In-process redevelopment projects - under construction2100,000 
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(1)Estimated rentable square feet upon completion.