Investments in Unconsolidated Real Estate Partnerships - (Details 1) $ in Millions |
Dec. 31, 2015
USD ($)
Property
|
Dec. 31, 2014
USD ($)
Property
|
Dec. 31, 2013
Property
|
---|---|---|---|
Schedule of Equity Method Investments [Line Items] | |||
Aggregate investment in unconsolidated partnerships | $ 15.4 | $ 16.0 | |
Excess of equity method investment aggregate cost over share of underlying historical partners deficit | $ (0.8) | $ 0.4 | |
Maximum [Member] | |||
Schedule of Equity Method Investments [Line Items] | |||
Range of ownership interests in unconsolidated real estate partnerships | 67.00% | ||
Minimum [Member] | |||
Schedule of Equity Method Investments [Line Items] | |||
Range of ownership interests in unconsolidated real estate partnerships | 40.00% | ||
Unconsolidated Properties [Member] | |||
Schedule of Equity Method Investments [Line Items] | |||
Number of apartment communities | Property | 11 | 11 | 20 |