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Summary of Significant Accounting Policies - Additional Information (Detail) |  | 1 Months Ended | 12 Months Ended | 288 Months Ended
--- | --- | --- | --- | ---
Jul. 31, 2020 USD ($) | Jul. 31, 2020 USD ($) tenant | Dec. 31, 2020 USD ($) a investment segment tenant property generator | Dec. 31, 2019 USD ($) investment property farm | Dec. 31, 2020 USD ($) a investment property generator
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of impaired properties | property |  |  | 0 | 0 | 0
Impairments recognized on real estate |  |  |  |  | $ 0
Restricted cash and cash equivalents |  |  | $ 0 | $ 0 | $ 0
Total acres | a |  |  | 101,079 |  | 101,079
Amortization of debt issuance costs |  |  | $ 756,000 | 630,000 |
Payments of stock issuance costs, aborted offering |  |  | 113,000 |  |
Prepaid costs for industrial generators |  |  | $ 1,400,000 | 1,600,000 | $ 1,400,000
Number of generators | generator |  |  | 5 |  | 5
LLC ownership, value |  |  | $ 1,200,000 | $ 587,000 | $ 1,200,000
Number of investments | investment |  |  | 1 | 1 | 1
Loss from investments in unconsolidated entities |  |  | $ (4,000) | $ 0 |
Commission rebate |  |  | $ 200,000 |  |
Income (loss) on sale of properties |  |  |  | $ 170,000 |
Number of farms terminated | farm |  |  |  | 1 |
Number of reporting segments | segment |  |  | 1 |  |
Number of operating segments | segment |  |  | 1 |  |
Number of tenants | tenant |  |  | 81 |  |
Group One |  |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Number of tenants | tenant |  | 2 |  |  |
Group One | Collectibility of Receivables [Member] |  |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Rent obligations deferred | $ 343,000 | $ 343,000 |  |  |
Interest Rate Swap |  |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Change in fair value of other liabilities |  |  | $ 1,500,000 | $ 390,000 | $ 1,500,000
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% |  |
Maximum | Group One |  |  |  |  |
Organization And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Rent obligations deferred, extension term | 123 days |  |  |  |
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 |  |

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