Subsequent Events - Additional Information (Detail)	Jun. 30, 2014
Subsequent Event [Line Items]
Number of Units in Real Estate Property	83,075
Colonial Village at Charleston Place [Member]
Subsequent Event [Line Items]
Number of Units in Real Estate Property	214
Greenbrook [Member]
Subsequent Event [Line Items]
Number of Units in Real Estate Property	1,037
Colonial Village at Inverness [Member]
Subsequent Event [Line Items]
Number of Units in Real Estate Property	586
Verandas at Southwood [Member]
Subsequent Event [Line Items]
Number of Units in Real Estate Property	300