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Stock Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2017
Restricted Stock [Member] |
Stock based compensation: |
Status and changes of restricted stock | The following summarizes the status of Restricted Stock and changes during the years ended December 31:
| 2017 |  | 2016 |  | 2015
| Number of Shares |  | Wtd. Avg. Grant Date Fair Value |  | Number of Shares |  | Wtd. Avg. Grant Date Fair Value |  | Number of Shares |  | Wtd. Avg. Grant Date Fair Value
Unvested - beginning of year | 158,261 |  |  | $ | 14.55 |  |  | 112,907 |  |  | $ | 16.86 |  |  | 104,068 |  |  | $ | 10.79 |
Granted | 84,643 |  |  | 19.17 |  |  | 122,963 |  |  | 12.59 |  |  | 56,662 |  |  | 24.39 |
Vested | (95,717 | ) |  | 15.25 |  |  | (49,183 | ) |  | 14.16 |  |  | (46,629 | ) |  | 11.82 |
Forfeited | (6,092 | ) |  | 17.93 |  |  | (28,426 | ) |  | 15.93 |  |  | (1,194 | ) |  | 24.39 |
Unvested - end of year | 141,095 |  |  | $ | 16.79 |  |  | 158,261 |  |  | $ | 14.55 |  |  | 112,907 |  |  | $ | 16.86 |

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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 Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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