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Earnings per Share (Tables) | 9 Months Ended
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Sep. 30, 2017
Earnings Per Share [Abstract] |
Schedule of calculations of basic and diluted earnings (loss) per share |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
(dollars in thousands, except per share data) |  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Basic earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income available to shareholders |  | $ | 1,766 |  |  | $ | 1,884 |  |  | $ | 5,786 |  |  | $ | 5,294 |
Basic earnings per share |  | $ | 0.30 |  |  | $ | 0.32 |  |  | $ | 0.99 |  |  | $ | 0.90 |
Diluted earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income available to shareholders |  | $ | 1,766 |  |  | $ | 1,884 |  |  | $ | 5,786 |  |  | $ | 5,294 |
Average shares outstanding |  |  | 5,825,825 |  |  |  | 5,859,415 |  |  |  | 5,834,679 |  |  |  | 5,869,569 |
Effect of dilutive stock options |  |  | 5,561 |  |  |  | 0 |  |  |  | 5,198 |  |  |  | 0 |
Average shares outstanding including dilutive stock options |  |  | 5,831,386 |  |  |  | 5,859,415 |  |  |  | 5,839,877 |  |  |  | 5,869,569 |
Diluted earnings per share |  | $ | 0.30 |  |  | $ | 0.32 |  |  | $ | 0.99 |  |  | $ | 0.90 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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