Quarterly report pursuant to Section 13 or 15(d)

Real Estate and Intangible Assets - Summary of Total Revenue and Earnings Recognized on Properties Acquired (Parenthetical) (Detail)

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Real Estate and Intangible Assets - Summary of Total Revenue and Earnings Recognized on Properties Acquired (Parenthetical) (Detail) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Real Estate Properties [Line Items]        
Amortization expense on intangibles assets due to lease termination in connection with farm acquisition $ 72,493 $ 11,218 $ 134,502 $ 65,475
2014 New Real Estate Activity [Member]
       
Real Estate Properties [Line Items]        
Amortization expense on intangibles assets due to lease termination in connection with farm acquisition $ 43,328   $ 43,328