Quarterly report pursuant to Section 13 or 15(d)

Recent Transactions (Schedule Of Disposed Properties) (Details)

v3.20.1
Recent Transactions (Schedule Of Disposed Properties) (Details)
$ in Thousands
 3 Months Ended
Mar. 31, 2020
USD ($)
ft²
item
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]  
Unrealized losses on rental properties held for sale $ (7,915)
Totals $ (7,915)
Disposal Group, Not Discontinued Operations [Member]  
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]  
Number of Buildings, Disposed | item 1
Rentable Square Feet, Disposed | ft² 200,000
Net Sales Proceeds $ 35,065
Net Carrying Value 17,743
Realized Gains (losses)/Unrealized Losses, net 17,322
Unrealized losses on rental properties held for sale (45,068)
Totals $ (27,746)
Disposal Group, Not Discontinued Operations [Member] | One Bridge Plaza [Member]  
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]  
Number of Buildings, Disposed | item 1
Rentable Square Feet, Disposed | ft² 200,000
Net Sales Proceeds $ 35,065
Net Carrying Value 17,743
Realized Gains (losses)/Unrealized Losses, net $ 17,322