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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2016
Earnings Per Share [Abstract] |
Schedule of reconciliation of the number of shares used in the calculation of basic and diluted earnings per common share | The following table presents a reconciliation of the number of shares used in the calculation of basic and diluted earnings per common share.
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
(Dollars in thousands - except per share amounts) |  | 2016 |  | 2015 |  | 2016 |  | 2015
Distributed earnings allocated to common stock |  | $ | 4,653 |  |  | $ | 4,293 |  |  | $ | 9,339 |  |  | $ | 8,589 |
Undistributed earnings allocated to common stock |  | 9,728 |  |  | 11,186 |  |  | 18,745 |  |  | 20,249 |
Net earnings allocated to common stock |  | 14,381 |  |  | 15,479 |  |  | 28,084 |  |  | 28,838 |
Net earnings allocated to participating securities |  | 98 |  |  | 151 |  |  | 213 |  |  | 303 |
Net income allocated to common stock and participating securities |  | $ | 14,479 |  |  | $ | 15,630 |  |  | $ | 28,297 |  |  | $ | 29,141 |
Weighted average shares outstanding for basic earnings per common share* |  | 25,853,537 |  |  | 26,212,999 |  |  | 25,888,534 |  |  | 26,235,511 |
Dilutive effect of stock compensation |  | — |  |  | — |  |  | — |  |  | — |
Weighted average shares outstanding for diluted earnings per common share* |  | 25,853,537 |  |  | 26,212,999 |  |  | 25,888,534 |  |  | 26,235,511 |
Basic earnings per common share* |  | $ | 0.56 |  |  | $ | 0.59 |  |  | $ | 1.08 |  |  | $ | 1.10 |
Diluted earnings per common share* |  | $ | 0.56 |  |  | $ | 0.59 |  |  | $ | 1.08 |  |  | $ | 1.10 |
*Three and six months ended June 30, 2015 outstanding shares and per common share figures have been adjusted for a 10% stock dividend declared July 22, 2015 and issued on August 14, 2015.

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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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