Quarterly report pursuant to Section 13 or 15(d)

Real Estate and Intangible Assets - Additional Information (Detail)

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Real Estate and Intangible Assets - Additional Information (Detail) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Agreement
Farm
Jun. 30, 2012
Real Estate Properties [Line Items]        
Number of farms     14  
Lease term     5 years  
Maturity date of lease     2018-06  
Extended lease term     5 years  
Lease rental income     $ 125,400  
Maximum cost of irrigation equipment     700,000  
Aggregate annual real estate property taxes     324,000  
Rental income 949,756 811,900 1,864,339 1,625,375
Number of lease agreement     10  
Dole Food Company [Member]
       
Real Estate Properties [Line Items]        
Rental income     1,300,000  
% of total rental revenue     69.40% 79.60%
Total number of lease agreement with single tenant     2  
California [Member]
       
Real Estate Properties [Line Items]        
Number of farms     6  
Rental income     $ 1,600,000  
% of total rental revenue     85.30% 97.90%