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Real Estate and Intangible Assets - Additional Information (Detail) |  |  |  |  | 3 Months Ended | 6 Months Ended | 11 Months Ended | 61 Months Ended | 72 Months Ended | 118 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 11, 2018 USD ($) a | Jun. 07, 2018 USD ($) a | May 10, 2018 USD ($) | Jun. 01, 2017 lease | Jun. 30, 2018 USD ($) a | Mar. 31, 2018 USD ($) lease farm | Dec. 31, 2017 USD ($) | Jun. 30, 2017 USD ($) a | Jun. 30, 2018 USD ($) a tenant region farm | Jun. 30, 2017 USD ($) a farm | Jun. 30, 2018 USD ($) a | Jun. 30, 2022 USD ($) | Feb. 23, 2024 USD ($) | May 31, 2027 USD ($)
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of farms | farm |  |  |  |  |  |  |  |  | 75 | 65 |  |  |  |
Depreciation expense |  |  |  |  | $ 2,000,000 |  |  | $ 1,400,000 | $ 3,900,000 | $ 2,700,000 |  |  |  |
Tenant improvements, net of depreciation |  |  |  |  | 2,400,000 |  | $ 2,400,000 |  | 2,400,000 |  | $ 2,400,000 |  |  |
Tenant improvements, depreciation and rental revenue |  |  |  |  | 74,000 |  |  | 53,000 | 150,000 | 89,000 |  |  |  |
Amortization expense related to intangible assets |  |  |  |  | 253,000 |  |  | 210,000 | 546,000 | 348,000 |  |  |  |
Amortization of acquired above market lease values and deferred revenue |  |  |  |  | 2,000 |  |  | 2,000 | 4,000 | 4,000 |  |  |  |
Total accretion related to below-market lease values and deferred revenue |  |  |  |  | 17,000 |  |  | 15,000 | 34,000 | 30,000 |  |  |  |
Operating revenues |  |  |  |  | 6,632,000 |  |  | 5,994,000 | 13,320,000 | 11,742,000 |  |  |  |
Property and casualty loss |  |  |  |  | $ 0 | $ 129,000 |  | $ 0 | $ 129,000 | $ 0 |  |  |  |
Number of leases | lease |  |  |  | 2 |  |  |  |  |  |  |  |  |  |
Lease term ( in years) |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |
Area of real estate property (in acres) | a |  |  |  |  | 63,325 |  |  | 57,930 | 63,325 | 57,930 | 63,325 |  |  |
Proceeds from sale of real estate |  |  |  |  |  |  |  |  | $ 132,000 | $ 0 |  |  |  |
Aggregate minimum rents |  |  |  |  |  | $ 480,000 |  |  |  |  |  |  |  |
Decrease in rental income |  |  |  |  |  | $ 203,000 |  |  |  |  |  |  |  |
Decrease in rental revenue (as percent) |  |  |  |  |  | 29.70% |  |  |  |  |  |  |  |
General and administrative expenses |  |  |  |  | $ 367,000 |  |  | $ 370,000 | $ 790,000 | $ 782,000 |  |  |  |
Deferred rent liability |  |  |  |  |  | $ 84,000 |  |  |  |  |  |  |  |
Cost to repair damaged properties |  |  |  |  |  | 81,000 |  |  |  |  |  |  |  |
Capitalized real estate addition |  |  |  |  |  | 34,000 |  |  |  |  |  |  |  |
Repairs and maintenance expense |  |  |  |  |  | $ 47,000 |  |  |  |  |  |  |  |
Number of tenants | tenant |  |  |  |  |  |  |  |  | 51 |  |  |  |  |
Percent of rental revenue (as percent) |  |  |  |  |  |  |  |  | 100.00% | 100.00% |  |  |  |
Tenant A |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of farms | farm |  |  |  |  |  |  |  |  | 5 |  |  |  |  |
Operating revenues |  |  |  |  |  |  |  |  | $ 2,200,000 |  |  |  |  |
Percent of rental revenue (as percent) |  |  |  |  |  |  |  |  | 16.60% |  |  |  |  |
California |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of farms | farm |  |  |  |  |  |  |  |  | 29 | 22 |  |  |  |
Operating revenues |  |  |  |  |  |  |  |  | $ 6,061,000 | $ 5,728,000 |  |  |  |
Area of real estate property (in acres) | a |  |  |  |  | 8,241 |  |  | 6,713 | 8,241 | 6,713 | 8,241 |  |  |
Expended or accrued for capital improvements |  |  |  |  |  |  |  |  |  |  | $ 710,000 |  |  |
Percent of rental revenue (as percent) |  |  |  |  |  |  |  |  | 45.50% | 48.80% |  |  |  |
Number of regions farms are located | region |  |  |  |  |  |  |  |  | 4 |  |  |  |  |
California | Forecast |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenues |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,300,000
Florida |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of farms | farm |  |  |  |  |  |  |  |  | 16 | 16 |  |  |  |
Operating revenues |  |  |  |  |  |  |  |  | $ 3,530,000 | $ 3,143,000 |  |  |  |
Area of real estate property (in acres) | a |  | 26 |  |  | 10,980 |  |  | 9,315 | 10,980 | 9,315 | 10,980 |  |  |
Proceeds from sale of real estate |  | $ 132,000 |  |  |  |  |  |  |  |  |  |  |  |
Expended or accrued for capital improvements |  |  |  |  |  |  |  |  |  |  | $ 2,400,000 |  |  |
Percent of rental revenue (as percent) |  |  |  |  |  |  |  |  | 26.50% | 26.80% |  |  |  |
Florida | Forecast |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenues |  |  |  |  |  |  |  |  |  |  |  | $ 302,000 | $ 820,000 |
Colorado |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of farms | farm |  |  |  |  |  |  |  |  | 10 | 9 |  |  |  |
Operating revenues |  |  |  |  |  |  |  |  | $ 1,372,000 | $ 1,345,000 |  |  |  |
Area of real estate property (in acres) | a |  |  |  |  | 31,450 |  |  | 30,170 | 31,450 | 30,170 | 31,450 |  |  |
Percent of rental revenue (as percent) |  |  |  |  |  |  |  |  | 10.30% | 11.40% |  |  |  |
Cochise County, Arizona |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of farms | farm |  |  |  |  |  | 2 |  |  |  |  |  |  |  |
Number of leases | lease |  |  |  |  |  | 2 |  |  |  |  |  |  |  |
General and administrative expenses |  |  |  |  |  |  | $ 50,000 |  |  |  |  |  |  |
Ventura County California |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of real estate property (in acres) | a | 169 |  |  |  |  |  |  |  |  |  |  |  |  |
Annualized straight line rent | $ 667,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Decrease in rental income | $ 91,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Decrease in rental revenue (as percent) | 12.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Income tax benefit relating to lease | $ 108,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Operating lease, term (in years) | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |
Kern, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Straight line rent |  |  | $ 27,000 |  |  |  |  |  |  |  |  |  |  |
Arizona |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of farms | farm |  |  |  |  |  |  |  |  | 6 | 6 |  |  |  |
Operating revenues |  |  |  |  |  |  |  |  | $ 955,000 | $ 512,000 |  |  |  |
Area of real estate property (in acres) | a |  |  |  |  | 6,280 |  |  | 6,280 | 6,280 | 6,280 | 6,280 |  |  |
Percent of rental revenue (as percent) |  |  |  |  |  |  |  |  | 7.20% | 4.30% |  |  |  |
2018 New Real Estate Activity |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of farms | farm |  |  |  |  |  |  |  |  | 2 |  |  |  |  |
Operating revenues |  |  |  |  | $ 41,000 |  |  |  | $ 49,000 |  |  |  |  |
Earnings (loss) recognized |  |  |  |  | $ (23,000) |  |  |  |  |  |  |  |  |
Area of real estate property (in acres) | a |  |  |  |  | 337 |  |  |  | 337 |  | 337 |  |  |
2018 New Real Estate Activity | Yuma, AZ | State of Arizona |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of farms | farm |  |  |  |  |  |  |  |  | 2 |  |  |  |  |
Area of real estate property (in acres) | a |  |  |  |  | 1,368 |  |  |  | 1,368 |  | 1,368 |  |  |
2017 New Real Estate Activity |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of farms | farm |  |  |  |  |  |  |  |  |  | 7 |  |  |  |
Operating revenues |  |  |  |  |  |  |  | $ 883,000 |  | $ 1,500,000 |  |  |  |
Earnings (loss) recognized |  |  |  |  |  |  |  | $ 429,000 | $ (28,000) | $ 809,000 |  |  |  |
Area of real estate property (in acres) | a |  |  |  |  |  |  |  | 7,338 |  | 7,338 |  |  |  |
2017 New Real Estate Activity | Yuma, AZ | State of Arizona |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of farms | farm |  |  |  |  |  |  |  |  |  | 2 |  |  |  |
Area of real estate property (in acres) | a |  |  |  |  |  |  |  | 1,368 |  | 1,368 |  |  |  |
2017 New Real Estate Activity | Florida |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expended or accrued for capital improvements |  |  |  |  |  | $ 748,000 |  |  |  |  |  |  |  |
February 2025 | 2017 New Real Estate Activity | Yuma, AZ | State of Arizona |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of real estate property (in acres) | a |  |  |  |  |  |  |  | 883 |  | 883 |  |  |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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