Subsequent Event (Details) (USD $)			0 Months Ended				0 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jul. 15, 2014 Subsequent Event [Member]	Jul. 15, 2014 FMF Littleton [Member] COLORADO Subsequent Event [Member]	Jul. 15, 2014 FMF Littleton [Member] COLORADO Subsequent Event [Member] Unit	Jul. 15, 2014 FMF Littleton [Member] COLORADO Construction Loans [Member] Subsequent Event [Member]	Jul. 15, 2014 London Interbank Offered Rate (LIBOR) [Member] FMF Littleton [Member] COLORADO Construction Loans [Member] Subsequent Event [Member]
Subsequent Event [Line Items]
Equity Method Investment, Ownership Percentage					25.00%
Subsequent Event, Date			Jul. 15, 2014
Number Of Units Of Multifamily Project					385
Debt	$ 400,328,000	$ 357,407,000
Contribution of Property				4,900,000
Reimbursed Costs From Unconsolidated Ventures				9,852,000
Debt Instrument, Unused Borrowing Capacity, Amount						$ 46,384,000
Debt Instrument, Basis Spread on Variable Rate							1.90%
Construction Loan, Guaranty Of Repayment, Conditions Not Met, Percentage				25.00%
Construction Loan, Guaranty Of Repayment, Conditions Met, Percentage				10.00%