Quarterly report pursuant to Section 13 or 15(d)

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

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Recent Transactions (Schedule Of Properties Which Commenced Initial Operations) (Details)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
USD ($)
item
Real Estate Properties [Line Items]  
Number of Apartment Units | item 365
Total Development Costs $ 94,753
Unconsolidated Joint Venture Multi-Family Properties [Member]  
Real Estate Properties [Line Items]  
Number of Apartment Units | item 3,275
145 Front At City Square [Member] | Unconsolidated Joint Venture Multi-Family Properties [Member]  
Real Estate Properties [Line Items]  
Number of Apartment Units | item 365
Total Development Costs $ 94,753 [1]
Land [Member] | 145 Front At City Square [Member] | Unconsolidated Joint Venture Multi-Family Properties [Member]  
Real Estate Properties [Line Items]  
Total Development Costs 4,400
Construction Loan [Member] | 145 Front At City Square [Member]  
Real Estate Properties [Line Items]  
Expected costs $ 3,200
[1] Development costs as of March 31, 2018 included approximately $4.4 million in land costs. As of March 31, 2018, the Company anticipates additional costs of approximately $3.2 million, which will be primarily funded from a construction loan.