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Stock-Based Compensation Plan (Tables) | 9 Months Ended
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Sep. 30, 2017
Share-based Compensation [Abstract] |
Restricted Stock Activity |
| Nine Months Ended
| September 30,
| 2017 |  | 2016
| Shares |  | Weighted Average Grant Date Fair Value |  | Shares |  | Weighted Average Grant Date Fair Value
Nonvested, beginning of period | 14,901 |  |  | $ | 23.05 |  |  | 14,401 |  |  | $ | 22.98 |
Granted | 14,650 |  |  | 27.46 |  |  | 14,650 |  |  | 23.07 |
Vested | (9,493 | ) |  | 23.08 |  |  | (8,196 | ) |  | 22.86 |
Forfeited | (657 | ) |  | 23.00 |  |  | (954 | ) |  | 23.00 |
Nonvested, end of period | 19,401 |  |  | 26.37 |  |  | 19,901 |  |  | 23.09 |

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + 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)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- References No definition available. + Details
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