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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2015
Earnings Per Share [Abstract] |
Computation of Basic and Diluted Earnings Per Share | The following table sets forth the computation of basic and diluted earnings per share:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30 |  |  | September 30 |
(in thousands except per share data) |  | 2015 |  |  | 2014 |  |  | 2015 |  |  | 2014 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 11,222 |  |  | $ | 10,924 |  |  | $ | 34,562 |  |  | $ | 33,259 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares |  |  | 17,440 |  |  |  | 17,326 |  |  |  | 17,420 |  |  |  | 17,317 |
Diluted earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Effect of dilutive stock options and restricted stock grants |  |  | 51 |  |  |  | 76 |  |  |  | 52 |  |  |  | 78 |
Adjusted weighted average shares |  |  | 17,491 |  |  |  | 17,402 |  |  |  | 17,472 |  |  |  | 17,395 |
Earnings per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic earnings per share |  | $ | 0.64 |  |  | $ | 0.63 |  |  | $ | 1.98 |  |  | $ | 1.92 |
Diluted earnings per share |  |  | 0.64 |  |  |  | 0.63 |  |  |  | 1.98 |  |  |  | 1.91 |

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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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