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Commitments and Contingencies - Additional Information (Detail) |  | 1 Months Ended | 9 Months Ended
--- | --- | --- | ---
Sep. 30, 2015 USD ($) a | Sep. 30, 2015 USD ($) a Well | Mar. 31, 2015 USD ($) | Jan. 31, 2015 USD ($) a | Sep. 30, 2015 USD ($) a | Sep. 30, 2014 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |  |
Expended or accrued for capital improvements | $ 765,000 |  |  |  |  |
Additional costs expected for capital improvements | $ 85,000 |  |  |  |  |
Farm Acres | a | 11,771 | 11,771 |  |  | 11,771 |
Initial payment made for acquisition of real estate property |  |  |  |  | $ 64,885,127 | $ 37,899,921
Estimated cost |  |  |  |  | $ 3,044,851 | $ 1,839,082
Wauchula Road [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Farm Acres | a | 590 | 590 |  |  | 590 |
Wauchula Road [Member] | Drip Irrigation [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Farm Acres | a | 125 | 125 |  |  | 125 |
Wauchula Road [Member] | Drip Irrigation [Member] | Maximum [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Additional compensation committed upon irrigation improvements and upgrades |  |  |  |  | $ 1,500,000 |
Espinosa Road [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Area of nonfarmable land | a |  |  |  | 4.5 |  |
Fair compensation amount for nonfarmable land |  |  |  | $ 160,000 |  |
Parrish Road [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Initial payment made for acquisition of real estate property |  |  | $ 3,200,000 |  |  |
Additional compensation committed upon approval of increase in water permits |  |  | $ 700,000 |  |  |
Parrish Road [Member] | Maximum [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Additional compensation committed upon irrigation improvements and upgrades |  |  |  |  | $ 500,000 |
Sycamore Road [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Lease, acquisition, irrigation improvements, description |  |  |  |  | In connection with the follow-on lease we executed upon our acquisition of Sycamore Road in July 2014, we are required to make certain irrigation improvements on the property to increase overall water availability by November 1, 2015. These improvements are expected to be completed during the three months ending December 31, 2015. As of September 30, 2015, we have expended or accrued $765,000 related to these improvements, and we expect to incur additional costs of approximately $85,000. In addition, we will earn additional rent on the total cost of these improvements commensurate with the then-current annual yield on the farmland. |
Bear Mountain [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Removal area of old grape vineyards | a |  | 274 |  |  |  |
Number of new drilling wells | Well |  | 3 |  |  |  |
Area of new almond trees | a |  | 800 |  |  |  |
Estimated cost |  | $ 7,800,000 |  |  |  |

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