Organization, Ownership, and Basis of Presentation - Consolidated Property Partnership Ownership Percentage (Details)	Mar. 31, 2026 property
Consolidated Property Partnerships
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Number of property partnerships	4
100 First Street Member, LLC (“100 First LLC”)
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Ownership interest	56.00%
303 Second Street Member, LLC (“303 Second LLC”)
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Ownership interest	56.00%
Redwood City Partners, LLC (“Redwood LLC”)
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Ownership interest	93.00%
1900 Broadway Partners, LLC
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Ownership interest	97.00%