Recent Transactions (Unconsolidated Joint Venture Activity) (Narrative) (Details)
$ in Thousands |
|
|
3 Months Ended |
6 Months Ended |
|
May 26, 2016
USD ($)
item
|
Apr. 01, 2016
USD ($)
|
Jun. 30, 2016
USD ($)
item
|
Mar. 31, 2016 |
Jun. 30, 2015
USD ($)
|
Jun. 30, 2016
USD ($)
item
|
Jun. 30, 2015
USD ($)
|
| Real Estate Properties [Line Items] |
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| Purchase price of property |
|
|
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$ 51,638
|
|
$ 42,881
|
| Gain on sale of investment in unconsolidated joint ventures |
|
|
|
$ 5,670
|
|
|
$ 6,448
|
5,670
|
|
6,448
|
| Proceeds from the sale of investments in unconsolidated joint ventures |
|
|
|
|
|
|
|
$ 6,420
|
|
$ 6,448
|
| Multi-Family Properties [Member] |
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| Real Estate Properties [Line Items] |
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| Number of units | item |
|
|
|
5,434
|
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|
5,434
|
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|
| PruRose Riverwalk G, L.L.C. [Member] |
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| Real Estate Properties [Line Items] |
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| Purchase price of property |
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|
$ 11,300
|
$ 11,300
|
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| Percentage of additional interest acquired |
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|
50.00%
|
|
|
25.00%
|
|
|
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| Number of units | item |
|
|
|
316
|
|
|
|
316
|
|
|
| PruRose Port Imperial South 15, L.L.C. [Member] |
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| Real Estate Properties [Line Items] |
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| Number of units | item |
|
236
|
|
236
|
[1] |
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|
236
|
[1] |
|
| Percentage of interest in venture |
|
50.00%
|
|
|
|
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|
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| PruRose Port Imperial South 13, L.L.C. [Member] |
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| Real Estate Properties [Line Items] |
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| Number of units | item |
[1] |
|
|
280
|
|
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|
280
|
|
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| Percentage of interest in venture |
|
20.00%
|
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| PruRose Port Imperial South 13, L.L.C. [Member] | Multi-Family Properties [Member] |
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| Real Estate Properties [Line Items] |
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| Number of units | item |
|
280
|
|
|
|
|
|
|
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| Pru Rose Port Imperial South 15 L.L.C. And Pru Rose Port Imperial South 13 L.L.C. [Member] |
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| Real Estate Properties [Line Items] |
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|
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| Gain on sale of investment in unconsolidated joint ventures |
|
$ 5,700
|
|
|
|
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| Proceeds from the sale of investments in unconsolidated joint ventures |
|
$ 6,400
|
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