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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2018
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 September 30, |  | Nine months ended September 30,
| 2018 |  | 2017 |  | 2018 |  | 2017
Basic earnings per common share computation: |  |  |  |  |  |  |
Net income per consolidated statements of income | $ | 9,236 |  |  | $ | 7,246 |  |  | $ | 24,774 |  |  | $ | 20,409 |
Net earnings allocated to participating securities | (40 | ) |  | (40 | ) |  | (113 | ) |  | (120 | )
Net earnings allocated to common stock | $ | 9,196 |  |  | $ | 7,206 |  |  | $ | 24,661 |  |  | $ | 20,289 |
Distributed earnings allocated to common stock | $ | 2,586 |  |  | $ | 2,506 |  |  | $ | 7,607 |  |  | $ | 7,521 |
Undistributed earnings allocated to common stock | 6,610 |  |  | 4,700 |  |  | 17,054 |  |  | 12,768 |
Net earnings allocated to common stock | $ | 9,196 |  |  | $ | 7,206 |  |  | $ | 24,661 |  |  | $ | 20,289 |
Weighted average common shares outstanding, including shares considered participating securities | 15,285 |  |  | 15,285 |  |  | 15,281 |  |  | 15,188 |
Less: Average participating securities | (60 | ) |  | (78 | ) |  | (67 | ) |  | (84 | )
Weighted average shares | 15,225 |  |  | 15,207 |  |  | 15,214 |  |  | 15,104 |
Basic earnings per common share | $ | 0.60 |  |  | $ | 0.47 |  |  | $ | 1.62 |  |  | $ | 1.34 |
Diluted earnings per common share computation: |  |  |  |  |  |  |
Net earnings allocated to common stock | $ | 9,196 |  |  | $ | 7,206 |  |  | $ | 24,661 |  |  | $ | 20,289 |
Weighted average shares and dilutive potential common shares | 15,225 |  |  | 15,207 |  |  | 15,214 |  |  | 15,104 |
Diluted earnings per common share | $ | 0.60 |  |  | $ | 0.47 |  |  | $ | 1.62 |  |  | $ | 1.34 |

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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://fasb.org/us-gaap/role/ref/legacyRef -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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