Quarterly report pursuant to Section 13 or 15(d)

Mortgages, Loans Payable And Other Obligations (Narrative) (Details)

v3.20.2
Mortgages, Loans Payable And Other Obligations (Narrative) (Details)
 6 Months Ended
Jun. 30, 2020
USD ($)
property
item
Jun. 30, 2019
USD ($)
Dec. 31, 2019
USD ($)
Debt Instrument [Line Items]      
Number of properties with encumbered company mortgages | property 19    
Carrying value of encumbered properties $ 2,800,000,000    
Cash paid for interest 52,441,000 $ 54,630,000  
Interest capitalized 11,788,000 9,458,000  
Total indebtedness $ 2,990,465,000   $ 2,808,518,000
Total indebtedness, weighted average interest rate 3.53%   3.81%
Discontinued Operations [Member]      
Debt Instrument [Line Items]      
Cash paid for interest $ 2,570,000 2,556,000  
Projects Under Development And Developable Land [Member]      
Debt Instrument [Line Items]      
Number of projects with encumbered company mortgages | item 4    
Carrying value of encumbered properties $ 516,000,000    
Unconsolidated Joint Venture [Member]      
Debt Instrument [Line Items]      
Interest capitalized 681,000 $ 627,000  
Revolving Credit Facility Borrowing And Other Variable Rate Mortgage Debt [Member]      
Debt Instrument [Line Items]      
Total indebtedness $ 658,693,000   $ 509,656,000
Total indebtedness, weighted average interest rate 2.34%   3.54%
Fixed Rate Debt And Other Obligations [Member]      
Debt Instrument [Line Items]      
Total indebtedness $ 2,331,772,000   $ 2,298,862,000
Total indebtedness, weighted average interest rate 3.86%   3.87%