Quarterly report pursuant to Section 13 or 15(d)

Borrowings - Summary of Mortgage Note Payable and Line of Credit (Parenthetical) (Detail)

v3.4.0.3
Borrowings - Summary of Mortgage Note Payable and Line of Credit (Parenthetical) (Detail) - USD ($)
 3 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Debt Instrument [Line Items]    
Unamortized deferred financing costs $ 128,424 $ 132,495
MetLife Mortgage Notes Payable [Member]    
Debt Instrument [Line Items]    
Remaining availability 18,700,000 8,900,000
MetLife Line of Credit [Member]    
Debt Instrument [Line Items]    
Remaining availability $ 18,700,000 8,900,000
Farm Credit CFL Mortgage Notes Payable [Member]    
Debt Instrument [Line Items]    
Reduced stated interest rate 16.10%  
Farmer Mac Bonds Payable [Member]    
Debt Instrument [Line Items]    
Remaining availability $ 0 0
Long-Term Mortgage Notes and Bonds Payable [Member]    
Debt Instrument [Line Items]    
Unamortized deferred financing costs $ 1,000,000 $ 1,100,000