Quarterly report pursuant to Section 13 or 15(d)

Mortgage Notes Payable and Line of Credit - Summary of Long Term Mortgages (Detail)

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Mortgage Notes Payable and Line of Credit - Summary of Long Term Mortgages (Detail) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Debt Instrument [Line Items]    
Debt Issued $ 43,781 $ 56,100
Wells Fargo N.A [Member] | Maturity Date One [Member]
   
Debt Instrument [Line Items]    
Date of Issuance Mar. 27, 2014  
Issuing Bank Wells Fargo N.A.  
Debt Issued 6,330  
Interest Rate 5.58%  
Maturity Date Feb. 01, 2016  
Wells Fargo N.A [Member] | Maturity Date Three [Member]
   
Debt Instrument [Line Items]    
Date of Issuance May 08, 2014  
Issuing Bank Wells Fargo N.A.  
Debt Issued 3,816  
Interest Rate 6.25%  
Maturity Date Jun. 01, 2016  
Key Bank N.A [Member] | Maturity Date Two [Member]
   
Debt Instrument [Line Items]    
Date of Issuance Apr. 22, 2014  
Issuing Bank Keybank N.A.  
Debt Issued 4,935  
Interest Rate 4.90%  
Maturity Date May 01, 2024  
Prudential Mortgage Capital Company [Member] | Maturity Date Four [Member]
   
Debt Instrument [Line Items]    
Date of Issuance Jun. 09, 2014  
Issuing Bank Prudential Mortgage Capital Company  
Debt Issued 22,600  
Interest Rate 4.23%  
Maturity Date Jul. 01, 2019  
Everbank [Member] | Maturity Date Five [Member]
   
Debt Instrument [Line Items]    
Date of Issuance Sep. 03, 2014  
Issuing Bank Everbank  
Debt Issued $ 6,100  
Interest Rate 4.40%  
Maturity Date Oct. 01, 2024