XML 80 R65.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Noncontrolling Interests (Property Partnerships) (Narrative) (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 21, 2024
USD ($)
Jun. 30, 2024
USD ($)
ft²
Jun. 30, 2024
USD ($)
ft²
Jun. 30, 2023
USD ($)
Dec. 31, 2023
USD ($)
Jan. 05, 2023
ft²
Noncontrolling Interest [Line Items]            
Noncontrolling Interest in Limited Partnerships   $ 1,801,676 $ 1,801,676   $ 1,640,704  
Proceeds from sale of interest in property partnerships and contributions from noncontrolling interests in property partnerships   $ 67,481 $ 210,423 $ 7,555    
Construction in Progress            
Noncontrolling Interest [Line Items]            
Net Rentable Area (in sf) | ft²   3,100,000 3,100,000      
290 Binney            
Noncontrolling Interest [Line Items]            
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners 45.00%          
Proceeds from sale of interest in property partnerships and contributions from noncontrolling interests in property partnerships $ 97,200          
Noncontrolling Interest, Increase from Sale of Parent Equity Interest 104,600 $ (15,700) $ 35,000      
Difference Between Proceeds from Sale and Noncontrolling Interest $ 7,500          
Percent of Carrying Value of Real Estate, Gross 45.00%          
290 Binney | Construction in Progress | Office and Life Sciences Building [Member]            
Noncontrolling Interest [Line Items]            
Net Rentable Area (in sf) | ft²   573,000 573,000     573,000
Leased percentage   100.00% 100.00%     100.00%
290 Binney | Noncontrolling Interest [Member]            
Noncontrolling Interest [Line Items]            
Noncontrolling Interest, Ownership Percentage by Parent 55.00%