v3.26.1
Segment Information - Schedule of Reconciliation of Assets from Segment to Consolidated (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Dec. 31, 2024
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Net reportable operating segments - real estate assets $ 11,697,503 $ 11,904,582    
Real estate under development 184,130 157,122    
Co-investments 612,512 630,550    
Cash and cash equivalents, including restricted cash 66,344 85,586 $ 67,884 $ 75,846
Marketable securities 92,165 98,070    
Notes and other receivables 96,334 141,591    
Operating lease right-of-use assets 49,077 50,833    
Prepaid expenses and other assets 100,237 90,675    
Total assets 12,898,302 13,159,009    
Operating Segments | Southern California        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Net reportable operating segments - real estate assets 4,100,610 4,194,554    
Operating Segments | Northern California        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Net reportable operating segments - real estate assets 6,029,262 6,136,977    
Operating Segments | Seattle Metro        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Net reportable operating segments - real estate assets 1,385,591 1,412,405    
Other real estate assets        
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]        
Net reportable operating segments - real estate assets $ 182,040 $ 160,646