Recent Transactions (Schedule Of Properties Which Commenced Initial Operations) (Details)
$ in Thousands |
12 Months Ended |
|
Dec. 31, 2018
USD ($)
item
|
|---|
| Real Estate Properties [Line Items] |
|
| Number of Apartment Units | item |
1,317
|
| Total Development Costs Incurred |
$ 457,984
|
| Unconsolidated Joint Venture Multi-Family Properties [Member] |
|
| Real Estate Properties [Line Items] |
|
| Number of Apartment Units | item |
2,922
|
| Unconsolidated Joint Venture Hotel [Member] |
|
| Real Estate Properties [Line Items] |
|
| Number of Apartment Units | item |
350
|
| 145 Front At City Square [Member] |
|
| Real Estate Properties [Line Items] |
|
| Number of Apartment Units | item |
365
|
| Total Development Costs Incurred |
$ 97,483
|
| Signature Place At Morris Plains [Member] |
|
| Real Estate Properties [Line Items] |
|
| Number of Apartment Units | item |
197
|
| Total Development Costs Incurred |
$ 56,715
|
| Portside 5/6 [Member] |
|
| Real Estate Properties [Line Items] |
|
| Number of Apartment Units | item |
296
|
| Total Development Costs Incurred |
$ 114,694
|
| Expected costs |
$ 700
|
| Riverhouse 11 At Port Imperial [Member] |
|
| Real Estate Properties [Line Items] |
|
| Number of Apartment Units | item |
295
|
| Total Development Costs Incurred |
$ 130,369
|
| Expected costs |
$ 1,200
|
| Residence Inn By Marriott (Phase I) [Member] |
|
| Real Estate Properties [Line Items] |
|
| Number of Apartment Units | item |
164
|
| Total Development Costs Incurred |
$ 58,723
|
| Land [Member] | 145 Front At City Square [Member] |
|
| Real Estate Properties [Line Items] |
|
| Total Development Costs Incurred |
4,400
|
| Land [Member] | Signature Place At Morris Plains [Member] |
|
| Real Estate Properties [Line Items] |
|
| Total Development Costs Incurred |
900
|
| Construction Loan [Member] | 145 Front At City Square [Member] |
|
| Real Estate Properties [Line Items] |
|
| Expected costs |
1,100
|
| Construction Loan [Member] | Residence Inn By Marriott (Phase I) [Member] |
|
| Real Estate Properties [Line Items] |
|
| Expected costs |
$ 20,100
|