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           Commitments and Contingencies - Additional Information (Detail) (USD $) 
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        9 Months Ended | 0 Months Ended | 9 Months Ended | 0 Months Ended | 9 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| 
           Sep. 30, 2014
 
          acre 
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           Jan. 31, 2014 
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           Jun. 30, 2014
 
          West Beach [Member] 
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           Sep. 30, 2014
 
          West Beach [Member] 
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           Sep. 30, 2014
 
          Sycamore Road [Member] 
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           Sep. 30, 2014
 
          Sycamore Road [Member]
 
          Maximum [Member] 
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           Sep. 30, 2014
 
          West Gonzales [Member] 
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           Sep. 30, 2014
 
          West Gonzales [Member]
 
          Fire [Member] 
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           Sep. 30, 2014
 
          West Gonzales [Member]
 
          Fire [Member] 
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           Dec. 31, 2015
 
          Scenario, Forecast [Member]
 
          West Beach [Member] 
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| Loss Contingencies [Line Items] | ||||||||||
| Area for installation of irrigation equipment | 121 | |||||||||
| Total farmable area of Colding loop property | 181 | |||||||||
| Estimated expended irrigation costs | $ 616,071 | |||||||||
| Additional leased farm land | 60 | |||||||||
| Additional estimated irrigation costs | 83,000 | |||||||||
| Expected capital improvements on lease | 550,000 | |||||||||
| Amount payable to tenant under agreement in two installments | 46,000 | |||||||||
| Expended or accrued for capital improvements | 78,000 | |||||||||
| Expected cost of irrigation improvements, water availability | 750,000 | |||||||||
| Lease, acquisition, irrigation improvements, description | In connection with the follow-on lease we executed upon our acquisition of Sycamore Road, we are required to make certain irrigation improvements on the property to increase overall water availability by November 1, 2015. Work on these improvements has not yet begun; however, we expect the total cost to be $750,000 or less. In addition, we will earn additional rent on the total cost of these improvements, up to a total cost of $750,000, commensurate with the yield on the farmland. | |||||||||
| Cash paid for repairs, reimbursed through insurance proceeds | 231,709 | |||||||||
| Additional payment of remaining repairs | 124,766 | |||||||||
| Total cost of upgrading cooling facility | $ 176,000 | |||||||||