Quarterly report pursuant to Section 13 or 15(d)

Real Estate and Intangible Assets - Summarized Information of Acquisition of Properties (Detail)

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Real Estate and Intangible Assets - Summarized Information of Acquisition of Properties (Detail) (USD $)
9 Months Ended
Sep. 30, 2013
Farm
Sep. 30, 2012
Farm
Business Acquisition [Line Items]    
Number of Farms 2 4
Renewal Options 5 years  
38th Avenue [Member] | Covert, MI [Member]
   
Business Acquisition [Line Items]    
Acquisition Date Apr. 05, 2013  
Sequoia Street [Member] | Brooks, OR [Member]
   
Business Acquisition [Line Items]    
Acquisition Date May 31, 2013  
Colding Loop [Member] | Wimauma, FL [Member]
   
Business Acquisition [Line Items]    
Acquisition Date Aug. 09, 2012  
Trapnell Road [Member] | Plant City, FL [Member]
   
Business Acquisition [Line Items]    
Acquisition Date Sep. 12, 2012  
2013 New Real Estate Activity [Member]
   
Business Acquisition [Line Items]    
Total Acreage 328  
Number of Farms 2  
Total Purchase Price $ 4,441,000  
Acquisition Expenses 146,930  
Annualized Straight-line Rent 280,903  
2013 New Real Estate Activity [Member] | Blueberries [Member] | 38th Avenue [Member] | Covert, MI [Member]
   
Business Acquisition [Line Items]    
Acquisition Date Apr. 05, 2013  
Total Acreage 119  
Number of Farms 1  
Lease Term 7 years  
Renewal Options 7 years  
Total Purchase Price 1,341,000  
Acquisition Expenses 40,133  
Annualized Straight-line Rent 87,286  
2013 New Real Estate Activity [Member] | Blueberries [Member] | Sequoia Street [Member] | Brooks, OR [Member]
   
Business Acquisition [Line Items]    
Acquisition Date May 31, 2013  
Total Acreage 209  
Number of Farms 1  
Lease Term 15 years  
Renewal Options 5 years  
Total Purchase Price 3,100,000  
Acquisition Expenses 106,797  
Annualized Straight-line Rent 193,617  
2012 New Real Estate Activity [Member]
   
Business Acquisition [Line Items]    
Total Acreage   343
Number of Farms   4
Total Purchase Price   7,400,836
Acquisition Expenses   114,291
Annualized Straight-line Rent   382,904
Debt Issued   7,507,000
2012 New Real Estate Activity [Member] | Colding Loop [Member]
   
Business Acquisition [Line Items]    
Acquisition Date   Aug. 09, 2012
Lease Term   10 months
Renewal Options   5 years
2012 New Real Estate Activity [Member] | Trapnell Road [Member]
   
Business Acquisition [Line Items]    
Acquisition Date   Sep. 12, 2012
2012 New Real Estate Activity [Member] | Strawberries [Member] | Colding Loop [Member] | Wimauma, FL [Member]
   
Business Acquisition [Line Items]    
Acquisition Date   Aug. 09, 2012
Total Acreage   219
Number of Farms   1
Lease Term   10 months 24 days
Renewal Options   0 years
Total Purchase Price   3,400,836
Acquisition Expenses   31,879
Annualized Straight-line Rent   141,274
Debt Issued   3,507,000
2012 New Real Estate Activity [Member] | Strawberries [Member] | Trapnell Road [Member] | Plant City, FL [Member]
   
Business Acquisition [Line Items]    
Acquisition Date   Sep. 12, 2012
Total Acreage   124
Number of Farms   3
Lease Term   4 years 9 months 18 days
Renewal Options   5 years
Total Purchase Price   4,000,000
Acquisition Expenses   82,412
Annualized Straight-line Rent   241,630
Debt Issued   $ 4,000,000