Investment In Unconsolidated Entities (Details) (USD $)	12 Months Ended
	Dec. 31, 2013 Units
Schedule of Equity Method Investments [Line Items]
Apartment units owned	13,676
Future Development [Member]
Schedule of Equity Method Investments [Line Items]
Apartment units owned	626	[1]
Future Development [Member] | Monrovia [Member]
Schedule of Equity Method Investments [Line Items]
Apartment units owned	154	[1]
Equity Method Investment, Land Purchase	$ 13,100,000
Equity interest	50.00%
Equity Method Investment, Partner Contribution	7,000,000
Equity Method Investment, Contribution	6,900,000
Equity Method Investment, Capitalized Interest	66,000
Equity Method Investment, Capitalized Internal Costs	17,000
Equity Method Investment, Maximum Exposure	7,000,000
Future Development [Member] | 950 Third [Member]
Schedule of Equity Method Investments [Line Items]
Apartment units owned	472	[1]
Equity interest	50.00%
Equity Method Investment, Contribution	1,700,000
Equity Method Investment, Capitalized Interest	46,000
Equity Method Investment, Capitalized Internal Costs	595,000
Equity Method Investment, Maximum Exposure	2,300,000
Equity Method Investment, Contribution of Partner Land Value	$ 30,000,000

[1] Based on current projections as of February 4, 2014.