v3.26.3
Investments in Unconsolidated Joint Ventures - Schedule of Equity Method Investments (Details)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
USD ($)
property
joint_venture
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
property
joint_venture
Sep. 30, 2025
USD ($)
Mar. 31, 2026
property
Jan. 31, 2026
property
Dec. 31, 2025
USD ($)
joint_venture
property
Schedule of Equity Method Investments [Line Items]              
Investments in and advances to unconsolidated joint ventures | $ $ 466,114   $ 466,114       $ 802,601
Gain (loss) on sales of real estate, net | $ $ 0 $ 11,500 $ 60,657 $ 13,136      
South San Francisco JVs              
Schedule of Equity Method Investments [Line Items]              
Investment ownership (as a percent)   30.00%   30.00%      
South San Francisco JVs | Lab              
Schedule of Equity Method Investments [Line Items]              
Property count | property 7   7        
Investment ownership (as a percent) 70.00%   70.00%        
Equity method investment, amount | $ $ 285,388   $ 285,388       285,387
Callan Ridge JV | Lab              
Schedule of Equity Method Investments [Line Items]              
Property count | property 2   2        
Investment ownership (as a percent) 35.00%   35.00%        
Equity method investment, amount | $ $ 73,456   $ 73,456       74,369
BX JV I and II              
Schedule of Equity Method Investments [Line Items]              
Investment ownership (as a percent) 20.00%   20.00%        
Number of unconsolidated joint ventures (in joint ventures) | joint_venture 2   2        
BX JV I and II | Outpatient Medical              
Schedule of Equity Method Investments [Line Items]              
Property count | property 6   6   6    
Investment ownership (as a percent) 20.00%   20.00%        
Equity method investment, amount | $ $ 42,955   $ 42,955       0
Lab JV | Lab              
Schedule of Equity Method Investments [Line Items]              
Property count | property 1   1        
Investment ownership (as a percent) 49.00%   49.00%        
Equity method investment, amount | $ $ 30,546   $ 30,546       31,406
PMAK JV | Outpatient Medical              
Schedule of Equity Method Investments [Line Items]              
Property count | property 59   59        
Investment ownership (as a percent) 12.00%   12.00%        
Equity method investment, amount | $ $ 14,828   $ 14,828       21,711
Needham Land Parcel JV | Lab              
Schedule of Equity Method Investments [Line Items]              
Property count | property 0   0        
Investment ownership (as a percent) 38.00%   38.00%        
Equity method investment, amount | $ $ 13,960   $ 13,960       $ 12,453
Outpatient Medical JVs              
Schedule of Equity Method Investments [Line Items]              
Number of unconsolidated joint ventures (in joint ventures) | joint_venture 1   1       2
Gain (loss) on sales of real estate, net | $     $ (2,000)        
Outpatient Medical JVs | Outpatient Medical              
Schedule of Equity Method Investments [Line Items]              
Property count | property 1   1        
Investment ownership (as a percent) 67.00%   67.00%        
Equity method investment, amount | $ $ 3,801   $ 3,801       $ 7,177
HCP Ventures IV, LLC              
Schedule of Equity Method Investments [Line Items]              
Investment ownership (as a percent)             20.00%
Suburban Properties, LLC              
Schedule of Equity Method Investments [Line Items]              
Investment ownership (as a percent) 67.00%   67.00%       67.00%
Davis JV | Outpatient Medical              
Schedule of Equity Method Investments [Line Items]              
Property count | property 23   23        
Investment ownership (as a percent) 46.00%   46.00%        
Equity method investment, amount | $ $ 1,180   $ 1,180       $ 3,530
SWF SH JV | Senior housing              
Schedule of Equity Method Investments [Line Items]              
Property count | property 0   0        
Investment ownership (as a percent) 0.00%   0.00%        
Equity method investment, amount | $ $ 0   $ 0       $ 312,709
SWF SH JV | Senior housing | SWF SH JV              
Schedule of Equity Method Investments [Line Items]              
Property count | property           19 19
Investment ownership (as a percent)           46.50% 53.50%
HQ Point Preferred Equity Investment              
Schedule of Equity Method Investments [Line Items]              
Property count | property 2   2        
HQ Point Preferred Equity Investment | Other non-reportable              
Schedule of Equity Method Investments [Line Items]              
Property count | property 0   0        
Investment ownership (as a percent) 0.00%   0.00%        
Equity method investment, amount | $ $ 0   $ 0       $ 53,859
HQ Point Preferred Equity Investment | Senior housing              
Schedule of Equity Method Investments [Line Items]              
Property count | property             2