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Real Estate and Intangible Assets - Significant Existing Real Estate Activity (Detail) |  | 12 Months Ended |
--- | --- | --- | ---
Jun. 01, 2017 lease | Dec. 31, 2018 USD ($) a lease | Dec. 31, 2017 USD ($) a | Mar. 31, 2018 USD ($)
Real Estate Properties [Line Items] |  |  |  |
Number of Leases | 2 |  |  |
Total Farm Acres | a |  | 73,205 | 63,014 |
Arizona, California, Florida and Michigan |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Number of Leases |  | 9 |  |
Total Farm Acres | a |  | 3,659 |  |
Leases Terminated Early |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Write off of deferred rent receivable | $ |  | $ 108,000 | $ 99,000 |
Deferred rent liability | $ |  |  |  | $ 84,000
Prior Leases | Arizona, California, Florida and Michigan |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Total Annualized Straight-line Rent | $ |  | $ 1,742,000 |  |
Number of Leases with Participation Rents |  | 1 |  |
Lease Structures, Number of NNN Leases |  | 4 |  |
Lease Structures, Number of NN Leases |  | 5 |  |
New Leases | Arizona, California, Florida and Michigan |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Total Annualized Straight-line Rent | $ |  | $ 2,001,000 |  |
Number of Leases with Participation Rents |  | 4 |  |
Lease Term |  | 5 years 3 months 18 days |  |
Lease Structures, Number of NNN Leases |  | 7 |  |
Lease Structures, Number of NN Leases |  | 2 |  |
Capital Commitment |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Commitment to provide capital | $ |  | $ 600,000 |  |

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- Definition Amount of direct write-downs of accounts receivable charged against the allowance. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The cumulative difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property by the lessor or lessee, respectively. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=77902458&loc=d3e39896-112707 + Details
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- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
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