Quarterly report pursuant to Section 13 or 15(d)

Organization And Basis Of Presentation (Narrative) (Details)

v3.22.1
Organization And Basis Of Presentation (Narrative) (Details)
$ in Millions
Mar. 31, 2022
USD ($)
property
item
Dec. 31, 2021
USD ($)
Real Estate Properties [Line Items]    
Percentage of ownership interest 91.00%  
Number of real estate properties 35  
Consolidated joint ventures, total real estate assets | $ $ 475.4 $ 477.5
Consolidated joint ventures, other assets | $ 5.5 5.3
Consolidated joint ventures, mortgages | $ 285.7 285.7
Consolidated joint ventures, other liabilities | $ $ 20.9 $ 21.2
Company Controlled Properties [Member]    
Real Estate Properties [Line Items]    
Number of real estate properties 26  
Nvestment Properties [Member]    
Real Estate Properties [Line Items]    
Number of real estate properties 9  
Multi-Family Properties [Member]    
Real Estate Properties [Line Items]    
Number of real estate properties 22  
Non-Core Assets [Member]    
Real Estate Properties [Line Items]    
Number of real estate properties 11  
Multi-Family Properties, Investment [Member]    
Real Estate Properties [Line Items]    
Number of real estate properties 7  
Non-Core Assets, Investment [Member]    
Real Estate Properties [Line Items]    
Number of real estate properties 2  
Multi-Family Properties, Company Controlled [Member]    
Real Estate Properties [Line Items]    
Number of real estate properties 15  
Office [Member]    
Real Estate Properties [Line Items]    
Number of real estate properties 6  
Unconsolidated Joint Venture Multi-Family Properties [Member]    
Real Estate Properties [Line Items]    
Number of real estate properties 7  
Number of units | item 2,146  
Parking/Retail [Member]    
Real Estate Properties [Line Items]    
Number of real estate properties 4  
Hotels [Member]    
Real Estate Properties [Line Items]    
Number of real estate properties 3