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Organization, Ownership, and Basis of Presentation - Operating Properties (Details)
3 Months Ended
Mar. 31, 2025
ft²
development_project
property
tenant
building
Stabilized Office Properties  
Real Estate Properties [Line Items]  
Number of Buildings | building 123
Rentable/Estimated Rentable Square Feet 17,135,817
Number of Tenants | tenant 432
Percentage Occupied 81.40%
Stabilized Residential Properties  
Real Estate Properties [Line Items]  
Number of Properties/Projects | property 3
Number of Units | property 1,001
2025 Average Occupancy 95.20%
In-process development projects - tenant improvement  
Real Estate Properties [Line Items]  
Rentable/Estimated Rentable Square Feet 875,000
Number of Properties/Projects | development_project 1
In-process redevelopment projects - tenant improvement  
Real Estate Properties [Line Items]  
Rentable/Estimated Rentable Square Feet 100,000
Number of Properties/Projects | development_project 2