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, 2014
Farm
Sep. 30, 2013
Farm
Real Estate Properties [Line Items]    
Number of Farms 8 2
Collins Road [Member] | Clatskanie, OR [Member]
   
Real Estate Properties [Line Items]    
Acquisition Date May 30, 2014  
Spring Valley [Member] | Watsonville, CA [Member]
   
Real Estate Properties [Line Items]    
Acquisition Date Jun. 13, 2014  
McIntosh Road [Member] | Dover, FL [Member]
   
Real Estate Properties [Line Items]    
Acquisition Date Jun. 20, 2014  
Naumann Road [Member] | Oxnard, CA [Member]
   
Real Estate Properties [Line Items]    
Acquisition Date Jul. 23, 2014  
Sycamore Road [Member] | Arvin, CA [Member]
   
Real Estate Properties [Line Items]    
Acquisition Date Jul. 25, 2014  
Wauchula Road [Member] | Duette, FL [Member]
   
Real Estate Properties [Line Items]    
Acquisition Date Sep. 29, 2014  
38th Avenue [Member] | Covert, MI [Member]
   
Real Estate Properties [Line Items]    
Acquisition Date Apr. 05, 2013  
Sequoia Street [Member] | Brooks, OR [Member]
   
Real Estate Properties [Line Items]    
Acquisition Date May 31, 2013  
2014 New Real Estate Activity [Member]
   
Real Estate Properties [Line Items]    
Total Acreage 1,641  
Number of Farms 8  
Total Purchase Price $ 37,610,833  
Acquisition Costs 431,479  
Annualized Straight-line Rent 1,987,638  
2014 New Real Estate Activity [Member] | Collins Road [Member]
   
Real Estate Properties [Line Items]    
Acquisition Date May 30, 2014  
2014 New Real Estate Activity [Member] | Spring Valley [Member]
   
Real Estate Properties [Line Items]    
Acquisition Date Jun. 13, 2014  
2014 New Real Estate Activity [Member] | McIntosh Road [Member]
   
Real Estate Properties [Line Items]    
Acquisition Date Jun. 20, 2014  
2014 New Real Estate Activity [Member] | Naumann Road [Member]
   
Real Estate Properties [Line Items]    
Acquisition Date Jul. 23, 2014  
2014 New Real Estate Activity [Member] | Sycamore Road [Member]
   
Real Estate Properties [Line Items]    
Acquisition Date Jul. 25, 2014  
2014 New Real Estate Activity [Member] | Wauchula Road [Member]
   
Real Estate Properties [Line Items]    
Acquisition Date Sep. 29, 2014  
2014 New Real Estate Activity [Member] | Blueberries [Member] | Collins Road [Member] | Clatskanie, OR [Member]
   
Real Estate Properties [Line Items]    
Acquisition Date May 30, 2014  
Total Acreage 200  
Number of Farms 2  
Lease Term 10 years 3 months 18 days  
Renewal Options 5 years  
Total Purchase Price 2,591,333  
Acquisition Costs 60,870  
Annualized Straight-line Rent 181,172  
2014 New Real Estate Activity [Member] | Strawberries [Member] | Spring Valley [Member] | Watsonville, CA [Member]
   
Real Estate Properties [Line Items]    
Acquisition Date Jun. 13, 2014  
Total Acreage 145  
Number of Farms 1  
Lease Term 2 years 3 months 18 days  
Total Purchase Price 5,900,000  
Acquisition Costs 50,896  
Annualized Straight-line Rent 270,901  
2014 New Real Estate Activity [Member] | Strawberries [Member] | McIntosh Road [Member] | Dover, FL [Member]
   
Real Estate Properties [Line Items]    
Acquisition Date Jun. 20, 2014  
Total Acreage 94  
Number of Farms 2  
Lease Term 3 years  
Renewal Options 3 years  
Total Purchase Price 2,666,000  
Acquisition Costs 60,676  
Annualized Straight-line Rent 133,154  
2014 New Real Estate Activity [Member] | Strawberries [Member] | Naumann Road [Member] | Oxnard, CA [Member]
   
Real Estate Properties [Line Items]    
Acquisition Date Jul. 23, 2014  
Total Acreage 68  
Number of Farms 1  
Lease Term 3 years  
Renewal Options 3 years  
Total Purchase Price 6,888,500  
Acquisition Costs 91,103  
Annualized Straight-line Rent 329,668  
2014 New Real Estate Activity [Member] | Strawberries [Member] | Wauchula Road [Member] | Duette, FL [Member]
   
Real Estate Properties [Line Items]    
Acquisition Date Sep. 29, 2014  
Total Acreage 808  
Number of Farms 1  
Lease Term 10 years  
Renewal Options 5 years  
Total Purchase Price 13,765,000  
Acquisition Costs 123,500  
Annualized Straight-line Rent 888,439  
2014 New Real Estate Activity [Member] | Vegetables [Member] | Sycamore Road [Member] | Arvin, CA [Member]
   
Real Estate Properties [Line Items]    
Acquisition Date Jul. 25, 2014  
Total Acreage 326  
Number of Farms 1  
Lease Term 1 year 3 months 18 days  
Total Purchase Price 5,800,000  
Acquisition Costs 44,434  
Annualized Straight-line Rent 184,304  
2013 New Real Estate Activity [Member]
   
Real Estate Properties [Line Items]    
Total Acreage   337
Number of Farms   2
Total Purchase Price   4,441,000
Acquisition Costs   146,410
Annualized Straight-line Rent   280,903
2013 New Real Estate Activity [Member] | 38th Avenue [Member]
   
Real Estate Properties [Line Items]    
Acquisition Date Apr. 05, 2013  
2013 New Real Estate Activity [Member] | Sequoia Street [Member]
   
Real Estate Properties [Line Items]    
Acquisition Date May 31, 2013  
2013 New Real Estate Activity [Member] | Blueberries [Member] | 38th Avenue [Member] | Covert, MI [Member]
   
Real Estate Properties [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 Costs   38,200
Annualized Straight-line Rent   87,286
2013 New Real Estate Activity [Member] | Blueberries [Member] | Sequoia Street [Member] | Brooks, OR [Member]
   
Real Estate Properties [Line Items]    
Acquisition Date   May 31, 2013
Total Acreage   218
Number of Farms   1
Lease Term   15 years
Renewal Options   5 years
Total Purchase Price   3,100,000
Acquisition Costs   108,210
Annualized Straight-line Rent   $ 193,617