Quarterly report pursuant to Section 13 or 15(d)

Discontinued Operations (Narrative) (Details)

v3.22.1
Discontinued Operations (Narrative) (Details)
$ in Thousands
 1 Months Ended 3 Months Ended 36 Months Ended
Apr. 30, 2022
USD ($)
property
Mar. 31, 2022
USD ($)
ft²
item
property
Mar. 31, 2021
USD ($)
Dec. 31, 2021
USD ($)
ft²
property
Dec. 19, 2019
ft²
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Unrealized gains (losses) on disposition of rental property     $ 1,020    
Number of real estate properties | property   35      
Proceeds from the sale of property   $ 236,864      
Suburban Office Portfolio [Member]          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Area of property (in square feet) | ft²         6,600,000
Disposal Group, Not Discontinued Operations [Member]          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Number of properties sold | item   1      
Area of property (in square feet) | ft²   566,215      
Sales proceeds   $ 208,268      
Disposal Group, Not Discontinued Operations [Member] | Suburban Office Portfolio [Member]          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Number of properties sold | property       37  
Area of property (in square feet) | ft²       6,300,000  
Sales proceeds       $ 1,000,000  
Subsequent Event [Member]          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Sales proceeds $ 100,000        
Number of properties sold | property 2