Organization and Ownership (Tables)

12 Months Ended

Dec. 31, 2022

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 December 31, 2022:

	Number of Buildings	Rentable Square Feet (unaudited)	Number of Tenants	Percentage  Occupied (unaudited)(1)		Percentage Leased (unaudited)
Stabilized Office Properties (2)	119	16,194,146	406	91.6	%	92.9	%

_______________________

(1)Represents economic occupancy.

(2)Includes stabilized life science and retail space.

	Number of Projects	Number of Units	2022 Average Occupancy (unaudited)
Stabilized Residential Properties	3	1,001	93.5	%

We did not have any properties held for sale at December 31, 2022. As of December 31, 2022, the following properties were excluded from our stabilized portfolio:

	Number of Properties/Projects	Estimated Rentable Square Feet (1) (unaudited)
In-process development projects - tenant improvement	1	734,000
In-process development projects - under construction	2	946,000
In-process redevelopment projects - under construction	2	100,000

____________________

(1)Estimated rentable square feet upon completion.