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Commitments and Contingencies - Additional Information (Detail) | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2015 USD ($) a Well | Mar. 31, 2015 USD ($) | Jan. 31, 2015 USD ($) a | Mar. 31, 2016 USD ($) a | Mar. 31, 2015 USD ($) | Dec. 31, 2015 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |  |
Farm Acres | a |  |  |  | 17,953 |  |
Additional rental income |  |  |  | $ 3,679,474 | $ 2,622,327 |
Initial payment made for acquisition of real estate property |  |  |  | 19,067,237 | 19,869,405 |
Estimated cost |  |  |  | $ 1,865,770 | $ 398,064 |
Wauchula Road [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Farm Acres | a |  |  |  | 590 |  |
Additional rental income |  |  |  | $ 92,634 |  |
Cost of improvements |  |  |  | $ 569,607 |  |
Wauchula Road [Member] | Drip Irrigation [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Farm Acres | a |  |  |  | 125 |  |
Wauchula Road [Member] | Maximum [Member] | Drip Irrigation [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] |  |  |  |  |  |
Additional rental income |  |  |  |  |  | $ 139,073
Cost of improvements |  |  |  |  |  | 528,815
Initial payment made for acquisition of real estate property |  | $ 3,200,000 |  |  |  |
Additional compensation committed upon approval of increase in water permits |  | 700,000 |  |  |  |
Reimbursement of other miscellaneous costs |  | $ 45,000 |  |  |  |
Increased estimated cost |  |  |  |  |  | 28,815
Parrish Road [Member] | Maximum [Member] |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |
Additional compensation committed upon irrigation improvements and upgrades |  |  |  |  |  | $ 500,000
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 |  |  |  |  |
Expended or accrued for capital improvements |  |  |  | $ 3.7 |  |

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