Annual report pursuant to Section 13 and 15(d)

Recent Transactions (Schedule Of Properties Which Commenced Initial Operations) (Details)

v3.20.4
Recent Transactions (Schedule Of Properties Which Commenced Initial Operations) (Details)
 12 Months Ended
Dec. 31, 2020
USD ($)
item
Dec. 31, 2019
USD ($)
item
Real Estate Properties [Line Items]    
Total number of Apartment Units | item 326 208
Total Development Costs Incurred | $ $ 103,993,000 $ 105,477,000
Emery At Overlook Ridge [Member]    
Real Estate Properties [Line Items]    
Total number of Apartment Units | item 326  
Total Development Costs Incurred | $ $ 103,993,000  
Autograph Collection By Marriott (Phase II) [Member]    
Real Estate Properties [Line Items]    
Total number of Apartment Units | item   208
Total Development Costs Incurred | $   $ 105,477,000