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Note 5 - Other Real Estate Owned - Gross Gains, Gross Losses and Write-downs of OREO (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Gross gains | $ 50 | $ 37 | $ 306
Gross losses |  | (275) | (6)
Reductions to carrying value |  | (1,763) | (896)
Total Income (Expense) | $ 50 | $ (2,001) | $ (596)

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- Definition Represents gross gains on sales of other real estate. + References No definition available. + Details
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- Definition Represents gross losses on sales of other real estate. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Definition The net gain (loss) resulting from sales and other disposals of other real estate owned, increases (decreases) in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.14(d)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition Valuation adjustments made to other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This excludes real estate assets taken in settlement of troubled loans through surrender or foreclosure. + References No definition available. + Details
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