v3.26.3
Consolidated and unconsolidated real estate joint ventures - Consolidated VIE's balance sheet information (Details)
$ in Thousands, ft² in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Oct. 26, 2026
USD ($)
Mar. 31, 2026
USD ($)
Sep. 30, 2026
USD ($)
ft²
property
Sep. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Jul. 31, 2025
USD ($)
Variable Interest Entity            
Investments in real estate     $ 28,426,999   $ 28,689,996  
Cash and cash equivalents     508,855   549,062  
Other assets     1,677,464   1,661,772  
Total assets     34,051,722   34,081,835  
Total liabilities     15,633,413   14,925,399  
Redeemable noncontrolling interests     9,119   58,788  
Alexandria Real Estate Equities, Inc.’s share of equity     14,807,199   15,470,070  
Noncontrolling interests’ share of equity     3,601,991   3,627,578  
Total liabilities, noncontrolling interests, and equity     34,051,722   34,081,835  
Purchases and redemptions of noncontrolling interests     49,822 $ 17,818    
Proceeds from sales of real estate     7,350      
Payments to noncontrolling interests     $ 171,248 186,725    
Noncontrolling Interests            
Variable Interest Entity            
Payments to noncontrolling interests       $ 186,800    
99 Coolidge Avenue            
Variable Interest Entity            
Noncontrolling Interest in Joint Ventures           $ 42,000
Redeemable Noncontrolling Interest, Equity, Fair Value   $ 48,700        
Redeemable Noncontrolling Interest, Accretion Rate   4.05%        
Purchases and redemptions of noncontrolling interests   $ 49,700        
Campus Point by Alexandria | Subsequent Event            
Variable Interest Entity            
Proceeds from sales of real estate $ 475,000          
Preferred Equity Current Return Rate Percentage 5.50%          
Increase In Additional Paid In Capital From Sale Of Noncontrolling Interest $ 44,200          
Campus Point by Alexandria | Alexandria            
Variable Interest Entity            
Noncontrolling interest     59.30%      
Number of real estate properties | property     7      
Area of real estate property | ft²     1.6      
Campus Point by Alexandria | Alexandria | Subsequent Event            
Variable Interest Entity            
Noncontrolling interest 30.00%          
Campus Point by Alexandria | Alexandria | Subsequent Event | Maximum            
Variable Interest Entity            
Noncontrolling interest 50.00%          
Variable Interest Entity, Primary Beneficiary            
Variable Interest Entity            
Investments in real estate     $ 6,122,821   6,129,668  
Cash and cash equivalents     232,764   258,755  
Other assets     725,048   712,154  
Total assets     7,080,633   7,100,577  
Secured notes payable     0   0  
Other liabilities     614,837   324,513  
Total liabilities     614,837   324,513  
Redeemable noncontrolling interests     0   49,554  
Alexandria Real Estate Equities, Inc.’s share of equity     2,863,805   3,098,932  
Noncontrolling interests’ share of equity     3,601,991   3,627,578  
Total liabilities, noncontrolling interests, and equity     $ 7,080,633   $ 7,100,577  
New Joint Venture Partner | Campus Point by Alexandria | Alexandria | Subsequent Event            
Variable Interest Entity            
Noncontrolling interest 29.00%          
New Joint Venture Partner | Campus Point by Alexandria | Alexandria | Subsequent Event | Minimum            
Variable Interest Entity            
Subsidiary, Ownership Percentage, Noncontrolling Owner 20.00%          
Existing Joint Venture Partner | Campus Point by Alexandria | Alexandria | Subsequent Event | Minimum            
Variable Interest Entity            
Subsidiary, Ownership Percentage, Noncontrolling Owner 30.00%