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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2015
Earnings Per Share [Abstract] |
Summary of average number of shares used in the computation of basic and diluted earnings per share |
|  | Three Months Ended |  |  | Nine Months Ended |
(shares in thousands) |  | Sep. 30, |  |  | Sep. 30, |  |  | Sep. 30 |  |  | Sep. 30 |
|  | 2015 |  |  | 2014 |  |  | 2015 |  |  | 2014 |
Basic earnings per share |  |  | 4,884 |  |  |  | 4,875 |  |  |  | 4,882 |  |  |  | 4,873 |
Diluted earnings per share |  |  | 6,390 |  |  |  | 4,900 |  |  |  | 6,422 |  |  |  | 4,896 |

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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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