Quarterly report pursuant to Section 13 or 15(d)

Recent Transactions (Real Estate Held For Sale/Discontinued Operations/Dispositions) (Narrative) (Details)

v3.22.1
Recent Transactions (Real Estate Held For Sale/Discontinued Operations/Dispositions) (Narrative) (Details)
$ in Thousands
 1 Months Ended 3 Months Ended
Apr. 30, 2022
property
Mar. 31, 2022
USD ($)
ft²
property
Mar. 31, 2021
USD ($)
Dec. 31, 2021
USD ($)
Real Estate Properties [Line Items]        
Number of real estate properties | property   35    
Land and other impairments, net   $ 2,932 $ 413  
Proceeds from the sale of property   236,864    
Book value   4,109,250   $ 4,076,866
Less - accumulated depreciation and amortization   606,625   $ 583,416
Impairment Of Land And Other   $ 2,932 $ 413  
Subsequent Event [Member]        
Real Estate Properties [Line Items]        
Number of properties sold | property 2      
Office [Member]        
Real Estate Properties [Line Items]        
Number of real estate properties | property   6    
Multi-Family Properties [Member]        
Real Estate Properties [Line Items]        
Number of real estate properties | property   22    
Disposal Group, Not Discontinued Operations [Member]        
Real Estate Properties [Line Items]        
Area of property (in square feet) | ft²   566,215    
Jersey City And Hoboken [Member] | Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Office [Member]        
Real Estate Properties [Line Items]        
Number of real estate properties | property   1    
Area of property (in square feet) | ft²   1,200,000    
Estimated expected sales proceeds   $ 683,300    
Repayment of debt   250,000    
Jersey City And Hoboken [Member] | Disposal Group, Held-for-sale, Not Discontinued Operations [Member] | Office [Member] | Minimum [Member]        
Real Estate Properties [Line Items]        
Estimated Prepayment Costs   $ 15,000