Amounts Due to Related Parties (Detail) (USD $)	Sep. 30, 2014		Dec. 31, 2013
Related Party Transaction [Line Items]
Fees, reimbursable costs and expenses, total	$ 148,518		$ 222,676
Due to Property Manager
Related Party Transaction [Line Items]
Property management fees	39,016		62,748
Property management, total	39,016		62,748
Due to the Advisor and its affiliates
Related Party Transaction [Line Items]
Reimbursable operating expenses	115,763		191,504
Reimbursable costs and expenses, total	115,763	[1]	191,504	[1]
Affiliated Entity
Related Party Transaction [Line Items]
Fees, reimbursable costs and expenses, total	$ 154,779		$ 254,252

[1] Amounts due to related parties of $0.01 million and $0.03 million for reimbursable costs and operating expenses are included in liabilities held for sale as of September 30, 2014 and December 31, 2013, respectively.