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Note 19 - Accumulated Other Comprehensive Income (Tables) | 12 Months Ended
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Dec. 31, 2017
Notes Tables |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] |
|  | Unrealized gains on |
|  | available-for-sale |
(Dollars in thousands) |  | securities (a) |
Balance as of December 31, 2014 |  | $ | 2,548 |
Other comprehensive income before reclassification |  |  | 60 |
Amount reclassified from accumulated other comprehensive income |  |  | (213 | )
Period change |  |  | (153 | )
Balance at December 31, 2015 |  | $ | 2,395 |
Balance as of December 31, 2015 |  | $ | 2,395 |
Other comprehensive (loss) before reclassification |  |  | (994 | )
Amount reclassified from accumulated other comprehensive income |  |  | (200 | )
Period change |  |  | (1,194 | )
Balance at December 31, 2016 |  | $ | 1,201 |
Balance as of December 31, 2016 |  | $ | 1,201 |
Other comprehensive income before reclassification |  |  | 475 |
Amount reclassified from accumulated other comprehensive income |  |  | (585 | )
Period change |  |  | (110 | )
Balance at December 31, 2017 |  | $ | 1,091 |
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] |
|  | Amount Reclassified |  |
|  | from Accumulated Other |  | Affected Line Item in
|  | Comprehensive Income |  | the Statement Where
(Dollars in thousands) |  | (a) |  | Net Income is
Details about other comprehensive income |  | December 31, 2017 |  | Presented
Unrealized gains on available-for-sale securities |  |  |  |  |
|  | $ | 886 |  | Investment securities gains, net
|  |  | (301 | ) | Income taxes
|  | $ | 585 |  |
|  |  |  |  | Affected Line Item in
|  |  |  |  | the Statement Where
(Dollars in thousands) |  |  |  |  | Net Income is
Details about other comprehensive income |  | December 31, 2016 |  | Presented
Unrealized gains on available-for-sale securities |  |  |  |  |
|  | $ | 303 |  | Investment securities gains, net
|  |  | (103 | ) | Income taxes
|  | $ | 200 |  |
|  |  |  |  | Affected Line Item in
|  |  |  |  | the Statement Where
(Dollars in thousands) |  |  |  |  | Net Income is
Details about other comprehensive income |  | December 31, 2015 |  | Presented
Unrealized gains on available-for-sale securities |  |  |  |  |
|  | $ | 323 |  | Investment securities gains, net
|  |  | (110 | ) | Income taxes
|  | $ | 213 |  |

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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=84228862&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=82843861&loc=d3e1928-114920 + Details
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