Quarterly report pursuant to Section 13 or 15(d)

Real Estate and Intangible Assets - Summary of Geographic Locations of Properties (Detail)

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Real Estate and Intangible Assets - Summary of Geographic Locations of Properties (Detail)
 3 Months Ended
Mar. 31, 2016
a
Farm
Mar. 31, 2016
USD ($)
a
Farm
Mar. 31, 2015
USD ($)
a
Farm
Real Estate Properties [Line Items]      
Number of Farms | Farm 46 46 34
Total Acres | a 23,003 23,003 8,789
% of Total Acres   100.00% 100.00%
Rental revenue | $   $ 3,679,474 $ 2,622,327
% of Total Rental Revenue   100.00% 100.00%
California [Member]      
Real Estate Properties [Line Items]      
Number of Farms | Farm 18 18 15
Total Acres | a 3,576 3,576 2,722
% of Total Acres 15.60% 15.60% 31.00%
Rental revenue | $   $ 2,140,166 $ 1,839,707
% of Total Rental Revenue   58.20% 70.20%
Florida [Member]      
Real Estate Properties [Line Items]      
Number of Farms | Farm 13 13 10
Total Acres | a 5,094 5,094 1,723
% of Total Acres 22.10% 22.10% 19.60%
Rental revenue | $   $ 743,087 $ 349,488
% of Total Rental Revenue   20.20% 13.30%
Oregon [Member]      
Real Estate Properties [Line Items]      
Number of Farms | Farm   4 4
Total Acres | a 2,313 2,313 2,313
% of Total Acres   10.10% 26.30%
Rental revenue | $   $ 292,481 $ 291,537
% of Total Rental Revenue   7.90% 11.10%
Arizona [Member]      
Real Estate Properties [Line Items]      
Number of Farms | Farm   2 1
Total Acres | a 3,000 3,000 1,761
% of Total Acres   13.00% 20.00%
Rental revenue | $   $ 172,461 $ 79,916
% of Total Rental Revenue   4.70% 3.00%
Nebraska [Member]      
Real Estate Properties [Line Items]      
Number of Farms | Farm   2  
Total Acres | a 2,559 2,559  
% of Total Acres   11.10% 0.00%
Rental revenue | $   $ 144,907  
% of Total Rental Revenue   3.90% 0.00%
Colorado [Member]      
Real Estate Properties [Line Items]      
Number of Farms | Farm   3  
Total Acres | a 6,191 6,191  
% of Total Acres   26.90% 0.00%
Rental revenue | $   $ 124,000  
% of Total Rental Revenue   3.40% 0.00%
Michigan [Member]      
Real Estate Properties [Line Items]      
Number of Farms | Farm   4 4
Total Acres | a 270 270 270
% of Total Acres   1.20% 3.10%
Rental revenue | $   $ 62,372 $ 61,679
% of Total Rental Revenue   1.70% 2.40%