Recent Transactions (Consolidations) (Narrative) (Details)
$ in Thousands |
|
|
|
3 Months Ended |
9 Months Ended |
|
Jul. 08, 2016
USD ($)
|
Jan. 19, 2016
USD ($)
|
Jan. 05, 2016
USD ($)
item
|
Jun. 30, 2016
USD ($)
item
|
Sep. 30, 2016
USD ($)
|
Sep. 30, 2015
USD ($)
|
| Real Estate Properties [Line Items] |
|
|
|
|
|
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| Purchase price of property |
|
|
|
|
$ 94,017
|
$ 59,700
|
| Gain on change of control of interests |
|
|
|
|
15,347
|
|
| Gain on sale of investment in unconsolidated joint venture |
|
|
|
|
5,670
|
$ 6,448
|
| Overlook Ridge Apartments Investors, L.L.C. [Member] |
|
|
|
|
|
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| Real Estate Properties [Line Items] |
|
|
|
|
|
|
| Percentage of interest in venture |
|
|
50.00%
|
|
|
|
| Number of units | item |
|
|
371
|
|
|
|
| Purchase price of property |
|
|
$ 39,800
|
|
|
|
| Loans assumed |
|
|
$ 52,700
|
|
|
|
| Gain on change of control of interests |
|
|
|
|
$ 10,200
|
|
| Spread over LIBOR |
|
3.625%
|
|
|
|
|
| Mortgage loan, maturity date |
|
|
|
|
Feb. 01, 2023
|
|
| Mortgage loan carrying amount |
|
$ 72,500
|
|
|
|
|
| Portside Apartment Holdings, L.L.C. [Member] |
|
|
|
|
|
|
| Real Estate Properties [Line Items] |
|
|
|
|
|
|
| Purchase price of property |
|
|
|
$ 39,600
|
|
|
| Portside Apartment Developers, L.L.C. [Member] |
|
|
|
|
|
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| Real Estate Properties [Line Items] |
|
|
|
|
|
|
| Percentage of interest in venture |
|
|
|
38.25%
|
|
|
| Number of units | item |
|
|
|
175
|
|
|
| Purchase price of property |
|
|
|
$ 39,600
|
|
|
| Loans assumed |
|
|
|
$ 42,500
|
|
|
| Gain on change of control of interests |
|
|
|
|
$ 5,200
|
|
| Spread over LIBOR |
3.44%
|
|
|
|
|
|
| Mortgage loan carrying amount |
$ 59,000
|
|
|
|
|
|