Overview - Narrative (Details) $ in Thousands, ft² in Millions	Jun. 30, 2026 USD ($) ft² venture parcel unit	Dec. 31, 2025 USD ($)
Real Estate Properties [Line Items]
Consolidated debt	$ 5,767,982	$ 5,593,367
Number of joint ventures consolidated \| venture	7
Total assets	$ 9,551,187	9,288,181
Consolidated investment in real estate	8,985,920	8,743,351
Total liabilities	6,036,087	5,813,250
Consolidated investment in real estate	5,722,565	5,548,870
Subsidiaries
Real Estate Properties [Line Items]
Consolidated debt	3,856,232	3,811,617
Consolidated entities
Real Estate Properties [Line Items]
Total assets	4,010,000	3,760,000
Consolidated investment in real estate	3,770,000	3,550,000
Total liabilities	1,980,000	1,840,000
Consolidated investment in real estate	$ 1,910,000	$ 1,780,000
Wholly owned and Consolidated properties
Real Estate Properties [Line Items]
Number of land parcels subject to ground lease \| parcel	2
Office \| Wholly owned and Consolidated properties
Real Estate Properties [Line Items]
Area of real estate portfolio \| ft²	18.2
Multifamily \| Wholly owned and Consolidated properties
Real Estate Properties [Line Items]
Number of multifamily apartment units \| unit	5,445
Apartment Units Under Development \| Wholly owned and Consolidated properties
Real Estate Properties [Line Items]
Number of multifamily apartment units \| unit	1,035

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