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Note 2 - Assets Held for Sale and Real Estate Sales - Assets Held for Sale (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Assets held for sale | $ 212 | $ 212
630-Acre Parcel Of Agricultural Land [Member] | Upcountry Maui [Member] |  |
Assets held for sale | 156 | 156
Agricultural Land and Wastewater Treatment Facility [Member] | Upcountry Maui [Member] |  |
Assets held for sale | $ 56 | $ 56

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- Definition Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(f)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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Balance Type: | debit
Period Type: | instant

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- Details
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Namespace Prefix: |
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Balance Type: |
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |