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Note 23 - Quarterly Financial Data (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2016
Notes Tables |
Quarterly Financial Information [Table Text Block] |
|  | Interest |  |  | Net Interest |  |  | Net |  |  | Earnings per Share |
|  | Income |  |  | Income |  |  | Income |  |  | Basic |  |  | Diluted |
2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
First quarter |  | $ | 28,889,000 |  |  | $ | 25,882,000 |  |  | $ | 8,549,000 |  |  | $ | 0.52 |  |  | $ | 0.52 |
Second quarter |  |  | 30,147,000 |  |  |  | 27,100,000 |  |  |  | 7,434,000 |  |  |  | 0.46 |  |  |  | 0.46 |
Third quarter |  |  | 29,706,000 |  |  |  | 26,450,000 |  |  |  | 7,845,000 |  |  |  | 0.48 |  |  |  | 0.48 |
Fourth quarter |  |  | 29,715,000 |  |  |  | 26,435,000 |  |  |  | 8,085,000 |  |  |  | 0.49 |  |  |  | 0.49 |
2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
First quarter |  | $ | 27,589,000 |  |  | $ | 24,849,000 |  |  | $ | 6,646,000 |  |  | $ | 0.39 |  |  | $ | 0.39 |
Second quarter |  |  | 27,663,000 |  |  |  | 25,041,000 |  |  |  | 6,558,000 |  |  |  | 0.39 |  |  |  | 0.39 |
Third quarter |  |  | 28,501,000 |  |  |  | 25,625,000 |  |  |  | 7,336,000 |  |  |  | 0.45 |  |  |  | 0.45 |
Fourth quarter |  |  | 28,575,000 |  |  |  | 25,659,000 |  |  |  | 6,480,000 |  |  |  | 0.40 |  |  |  | 0.40 |

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- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=68076893&loc=d3e1280-108306 + Details
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