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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Additional Information Related to the Stock Option Plan | Additional information related to the stock option plan follows:
|  | 2015 |  |  | 2014 |  | 2013 |
Intrinsic value of options exercised |  | $ | 0 |  |  | $67 |  | $ | 99 |
Cash received from option exercises |  |  | 0 |  |  | 549 |  |  | 698 |
Summary of Changes in Nonvested Restricted Stock Awards | A summary of changes in nonvested restricted stock awards follows:
|  | Shares |  |  | Weighted-average Grant Date Fair Value |
Nonvested at January 1, 2015 |  |  | 68,210 |  |  |  | $16.82 |
Granted |  |  | 48,300 |  |  |  | 17.00 |
Vested |  |  | (31,910 | ) |  |  | 16.60 |
Nonvested at December 31, 2015 |  |  | 84,600 |  |  |  | $17.01 |

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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=6415400&loc=d3e5070-113901 + Details
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