Quarterly report pursuant to Section 13 or 15(d)

Recent Transactions (Impairments On Properties Held And Used) (Narrative) (Details)

v3.21.2
Recent Transactions (Impairments On Properties Held And Used) (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Real Estate Properties [Line Items]        
Land and other impairments $ 7,519 $ 16,846 $ 7,932 $ 22,109
Land Parcels [Member]        
Real Estate Properties [Line Items]        
Land and other impairments 7,500      
Disposal Group, Not Discontinued Operations [Member] | Land Parcels [Member]        
Real Estate Properties [Line Items]        
Land and other impairments $ 7,500   7,500  
Hoboken, New Jersey [Member] | Disposal Group, Not Discontinued Operations [Member]        
Real Estate Properties [Line Items]        
Property impairments     $ 6,000