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Mortgage Notes Payable - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Nov. 30, 2014
Debt Instrument [Line Items]      
Mortgage notes payable $ 144,690,570 $ 106,966,774  
Havana Parker [Member]      
Debt Instrument [Line Items]      
Mortgage notes payable $ 2,500,000 2,500,000  
Fixed interest rate on mortgage (in hundredths) [1] 6.51%    
Debt Instrument, Maturity Date Jul. 01, 2016    
Havana Parker [Member] | Modification Agreement [Member]      
Debt Instrument [Line Items]      
Mortgage notes payable   $ 2,500,000 $ 3,037,000
Fixed interest rate on mortgage (in hundredths)   2.50%  
Debt Instrument, Maturity Date   Jul. 01, 2016  
Debt Instrument Periodic Payment Principal   $ 100,000  
[1] Interest rates as of December 31, 2015