Commitments And Contingencies (Other) (Narrative) (Details)
$ in Thousands |
|
6 Months Ended |
|
|
Apr. 01, 2015
USD ($)
item
|
Jun. 30, 2015
USD ($)
ft²
property
item
|
Jun. 30, 2014
USD ($)
|
Aug. 01, 2014 |
| Commitments And Contingencies [Line Items] |
|
|
|
|
|
|
| Investment in unconsolidated joint ventures |
|
|
$ 49,305
|
|
$ 38,948
|
|
| Development of rental property |
|
|
27,869
|
|
7,896
|
|
| Purchase price of property |
|
|
$ 42,881
|
|
$ 41,825
|
|
| Eastchester Project [Member] |
|
|
|
|
|
|
| Commitments And Contingencies [Line Items] |
|
|
|
|
|
|
| Percentage of interest in venture |
|
|
76.25%
|
|
|
|
| Delivery date to tenant |
|
|
second quarter of 2016
|
|
|
|
| Number of units | item |
|
|
108
|
|
|
|
| Project costs incurred to date |
|
|
$ 18,400
|
|
|
|
| Amount of project costs funded by members |
|
|
8,200
|
|
|
|
| Total project costs |
|
|
$ 50,000
|
|
|
|
| City Square Project [Member] |
|
|
|
|
|
|
| Commitments And Contingencies [Line Items] |
|
|
|
|
|
|
| Number of units | item |
|
365
|
|
|
|
|
| Total project costs |
|
$ 91,400
|
|
|
|
|
| Purchase price of property |
|
3,100
|
|
|
|
|
| Contingent consideration |
|
$ 1,250
|
|
|
|
|
| Minimum project start period |
|
12 months
|
12 months
|
|
|
|
| Property Lock-Ups [Member] |
|
|
|
|
|
|
| Commitments And Contingencies [Line Items] |
|
|
|
|
|
|
| Number of properties | property |
|
|
7
|
|
|
|
| Properties aggregate net book value |
|
|
$ 124,300
|
|
|
|
| Expiration year |
|
|
2016
|
|
|
|
| Property Lock-Ups Expired [Member] |
|
|
|
|
|
|
| Commitments And Contingencies [Line Items] |
|
|
|
|
|
|
| Number of properties | property |
|
|
110
|
|
|
|
| Properties aggregate net book value |
|
|
$ 1,300,000
|
|
|
|
| Harborside Unit A Urban Renewal, LLC [Member] |
|
|
|
|
|
|
| Commitments And Contingencies [Line Items] |
|
|
|
|
|
|
| Percentage of interest in venture |
[1] |
|
85.00%
|
|
|
|
| Development costs |
|
|
$ 128,400
|
|
|
|
| Delivery date to tenant |
|
|
fourth quarter of 2016
|
|
|
|
| Number of units | item |
|
|
763
|
|
|
|
| Amount outstanding |
|
|
$ 0
|
|
|
|
| Interest rate |
|
|
5.197%
|
[2] |
|
5.197%
|
| Mortgage Loan Maturity Date |
|
|
Aug. 01, 2029
|
|
|
|
| Total project costs |
|
|
$ 320,000
|
|
|
|
| Harborside Unit A Urban Renewal, LLC [Member] | Construction/Permanent Loan [Member] |
|
|
|
|
|
|
| Commitments And Contingencies [Line Items] |
|
|
|
|
|
|
| Maximum borrowing capacity |
|
|
$ 192,000
|
|
|
|
| Mortgage Loan Maturity Date |
|
|
Aug. 01, 2029
|
|
|
|
| Harborside Unit A Urban Renewal, LLC [Member] | Parent Company [Member] |
|
|
|
|
|
|
| Commitments And Contingencies [Line Items] |
|
|
|
|
|
|
| Total project costs |
|
|
$ 17,400
|
|
|
|
| 150 Main Street, L.L.C. [Member] | Construction Loan [Member] | Eastchester Project [Member] |
|
|
|
|
|
|
| Commitments And Contingencies [Line Items] |
|
|
|
|
|
|
| Maximum borrowing capacity |
|
|
28,800
|
|
|
|
| Amount outstanding |
|
|
3,500
|
|
|
|
| Wegmans Food Markets, Inc. [Member] |
|
|
|
|
|
|
| Commitments And Contingencies [Line Items] |
|
|
|
|
|
|
| Costs of the project incurred |
|
|
$ 11,500
|
|
|
|
| Delivery date to tenant |
|
|
first quarter of 2017
|
|
|
|
| Total project costs |
|
|
$ 28,700
|
|
|
|
| Area of property (in square feet) | ft² |
|
|
140,000
|
|
|
|
|
|