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Summary of Significant Accounting Policies - Additional Information (Detail) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2018 USD ($) a lease property segment | Dec. 31, 2017 USD ($) a property | Jun. 11, 2018 a | Oct. 17, 2017 a
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Number of impaired properties | property | 0 | 0 |  |
Impairments recognized on real estate | $ 0 |  |  |
Restricted cash and cash equivalents | $ 0 | $ 0 |  |
Total Acres | a | 73,205 | 63,014 |  |
Crop inventory | $ 0.0 | $ 1,528,000 |  |
Loss on write-down of inventory | 1,094,000 | 0 |  |
Payment of financing fees | (675,000) | (881,000) |  |
Amortization of debt issuance costs | 582,000 | 524,000 |  |
Prepaid costs for industrial generators | 1,700,000 |  |  |
Participation rents | 1,210,000 | 304,000 |  |
Taxable income from taxable REIT subsidiary | $ 0 | 0 |  |
Number of reporting segments | segment | 1 |  |  |
Number of operating segments | segment | 1 |  |  |
Number of operating ground lease arrangements | lease | 2 |  |  |
Minimum |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Hypothetical expected lease-up periods for estimating carrying costs | 1 month |  |  |
Percentage of REIT taxable income to its stockholders | 90.00% |  |  |
Maximum |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Hypothetical expected lease-up periods for estimating carrying costs | 24 months |  |  |
Percentage of REIT taxable income to its stockholders | 100.00% |  |  |
Buildings and Improvements |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful life | 39 years |  |  |
Horticulture |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful life | 40 years |  |  |
Equipment and Fixtures | Minimum |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful life | 5 years |  |  |
Equipment and Fixtures | Maximum |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Estimated useful life | 10 years |  |  |
Taxable REIT Subsidiary |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Allocation of overhead costs | $ 31,000 |  |  |
Ventura County, California |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Total Acres | a |  |  | 169 | 169
Leases Terminated Early |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |
Write off of deferred rent receivable | $ 108,000 | $ 99,000 |  |

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