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Note 6 - Other Real Estate Owned (Details) - Other Real Estate Owned Expense - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Other Real Estate Owned Expense [Abstract] |  |  |
Operating expense | $ 665 | $ 1,142 | $ 3,680
Provision/(reversal) for losses | 547 | 1,619 | (2,122)
Net gain on transfers and disposals | (2,012) | (4,065) | (1,793)
Total other real estate owned expense | $ (800) | $ (1,304) | $ (235)

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- Definition Amount of expense (income) recognized during the period for the foreclosure on real estate assets. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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Period Type: | duration

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- Definition Other real estate owned, operating expense. + 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 Total Increase or Decrease in the real estate owned valuation allowance for period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10(4)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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