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Note 9 - Other Comprehensive Income (Tables) | 3 Months Ended
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Mar. 31, 2015
Disclosure Text Block [Abstract] |
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] |
(dollars in thousands) |  | Before Tax |  |  | Tax Effect |  |  | Net of Tax |
Three months ended March 31, 2015 |  |  |  |  |  |  |  |  |  |  |  |
Net unrealized gain on securities available-for-sale |  | $ | 3,218 |  |  | $ | 1,287 |  |  | $ | 1,931 |
Less: Reclassification adjustment for net gains included in net income |  |  | (2,164 | ) |  |  | (866 | ) |  |  | (1,298 | )
Other Comprehensive Income |  | $ | 1,054 |  |  | $ | 421 |  |  | $ | 633 |
Three months ended March 31, 2014 |  |  |  |  |  |  |  |  |  |  |  |
Net unrealized loss on securities available-for-sale |  | $ | 4,703 |  |  | $ | 1,881 |  |  | $ | 2,822 |
Less: Reclassification adjustment for net gains included in net income |  |  | (8 | ) |  |  | (3 | ) |  |  | (5 | )
Other Comprehensive Income |  | $ | 4,695 |  |  | $ | 1,878 |  |  | $ | 2,817 |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | Accumulated Other
(dollars in thousands) |  | Comprehensive Income (Loss)
Three months ended March 31, 2015 |  |
Balance at beginning of period |  | $ 2,647
Other comprehensive income before reclassifications |  | 1,931
Amounts reclassified from accumulated other comprehensive income |  | (1,298)
Net other comprehensive income during period |  | 633
Balance at end of period |  | $ 3,280
Three months ended March 31, 2014 |  |
Balance at beginning of period |  | $ (3,319)
Other comprehensive income before reclassifications |  | 2,822
Amounts reclassified from accumulated other comprehensive income |  | (5)
Net other comprehensive income during period |  | 2,817
Balance at end of period |  | $ (502)
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] |
|  | Amount Reclassified from |  | Affected Line Item in
Details about Accumulated Other |  | Accumulated Other |  | the Statement Where
Comprehensive Income Components (dollars in thousands) |  | Comprehensive (Loss) Income |  | Net Income is Presented
|  | Three months ended March 31, |  |
|  | 2015 |  |  | 2014 |  |
Realized gain on sale of investment securities |  | $ | 2,164 |  |  | $ | 8 |  | Gain on sale of investment securities
|  |  | (866 | ) |  |  | (3 | ) | Tax Expense
Total Reclassifications for the Period |  | $ | 1,298 |  |  | $ | 5 |  | Net of Tax

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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669686-108580 + Details
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- Definition Tabular disclosure of the net gain (loss) and net prior service cost or credit recognized in other comprehensive income (loss) for the period for pension plans and/or other employee benefit plans, and reclassification adjustments of other comprehensive income (loss) for the period, as those amounts, including amortization of the net transition asset or obligation, are recognized as components of net periodic benefit cost. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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