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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2017
Earnings Per Share [Abstract] |
Computation of Basic and Diluted Earnings Per Share | The computation of basic and diluted earnings per share is shown below:
|  | Three months ended |  |  | Nine months ended |
|  | September 30, |  |  | September 30, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Basic earnings per common share computation: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income per consolidated statements of income |  | $ | 7,246 |  |  | $ | 6,416 |  |  | $ | 20,409 |  |  | $ | 15,500 |
Net earnings allocated to participating securities |  |  | (40 | ) |  |  | (40 | ) |  |  | (120 | ) |  |  | (101 | )
Net earnings allocated to common stock |  | $ | 7,206 |  |  | $ | 6,376 |  |  | $ | 20,289 |  |  | $ | 15,399 |
Distributed earnings allocated to common stock |  | $ | 2,506 |  |  | $ | 2,370 |  |  | $ | 7,521 |  |  | $ | 7,107 |
Undistributed earnings allocated to common stock |  |  | 4,700 |  |  |  | 4,006 |  |  |  | 12,768 |  |  |  | 8,292 |
Net earnings allocated to common stock |  | $ | 7,206 |  |  | $ | 6,376 |  |  | $ | 20,289 |  |  | $ | 15,399 |
Weighted average common shares outstanding, including shares considered participating securities |  |  | 15,285 |  |  |  | 14,464 |  |  |  | 15,188 |  |  |  | 14,453 |
Less: Average participating securities |  |  | (78 | ) |  |  | (82 | ) |  |  | (84 | ) |  |  | (85 | )
Weighted average shares |  |  | 15,207 |  |  |  | 14,382 |  |  |  | 15,104 |  |  |  | 14,368 |
Basic earnings per common share |  | $ | 0.47 |  |  | $ | 0.44 |  |  | $ | 1.34 |  |  | $ | 1.07 |
Diluted earnings per common share computation: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net earnings allocated to common stock |  | $ | 7,206 |  |  | $ | 6,376 |  |  | $ | 20,289 |  |  | $ | 15,399 |
Weighted average shares and dilutive potential common shares |  |  | 15,207 |  |  |  | 14,382 |  |  |  | 15,104 |  |  |  | 14,368 |
Diluted earnings per common share |  | $ | 0.47 |  |  | $ | 0.44 |  |  | $ | 1.34 |  |  | $ | 1.07 |

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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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