Subsequent Events (Details) (Subsequent event, USD $)	1 Months Ended
	Jul. 31, 2014 home
Avalon Rutherford Station | Fund I
Subsequent events
Number of apartment homes sold	108
Proceeds from sale of real estate	$ 34,250,000
Avalon Fair Oaks | Fund II
Subsequent events
Number of apartment homes sold	491
Proceeds from sale of real estate	$ 108,200,000