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Stock-based Compensation Plan (Tables) | 12 Months Ended
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Dec. 31, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Changes in shares granted for stock options | Changes in shares granted for stock options for the year ended December 31, 2014 are summarized as follows:
| Options |  | Weighted- Average Exercise Price
Outstanding at December 31, 2013 | 58,810 |  |  | $ | 15.47 |
Exercised | (56,360 | ) |  | 15.45 |
Forfeited or expired | (1,450 | ) |  | 15.37 |
Outstanding at December 31, 2014 | 1,000 |  |  | 16.73 |
Exercisable at December 31, 2014 | 1,000 |  |  | 16.73 |
Activity for restricted stock awards | The following table summarizes the restricted stock award activity for the year ended December 31, 2014:
| Restricted Stock |  | Weighted- Average Grant Date Fair Value
Non-vested at December 31, 2013 | 117,442 |  |  | $ | 16.76 |
Granted | 97,367 |  |  | 26.63 |
Vested | (51,068 | ) |  | 18.66 |
Forfeited | (1,688 | ) |  | 21.76 |
Non-vested at December 31, 2014 | 162,053 |  |  | 22.04 |

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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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