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Share-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Stock option activity | A summary of the combined activity of the Plans during the years then ended is presented below (dollars in thousands, except per share amounts):
|  | Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value
Options outstanding at December 31, 2014 |  | 368,360 |  |  | $ | 8.89 |  |  |  |  |
Options exercised |  | (9,070 | ) |  | $ | 6.64 |  |  |  |  |
Options forfeited |  | (118,595 | ) |  | $ | 13.25 |  |  | 4.06 |  | $ | 1,251 |
Options outstanding at December 31, 2015 |  | 240,695 |  |  | $ | 6.83 |  |  |  |  |
Options exercised |  | (35,280 | ) |  | $ | 6.55 |  |  |  |  |  |
Options forfeited |  | (3,200 | ) |  | $ | 8.77 |  |  |  |  |  |
Options outstanding at December 31, 2016 |  | 202,215 |  |  | $ | 6.87 |  |  | 3.26 |  | $ | 2,647 |
Options assumed in acquisition |  | 313,360 |  |  | $ | 11.79 |  |  |  |  |
Options exercised |  | (281,125 | ) |  | $ | 10.47 |  |  |  |  |  |
Options forfeited |  | (1,580 | ) |  | $ | 8.11 |  |  |  |  |  |
Options outstanding at December 31, 2017 |  | 232,870 |  |  | $ | 9.13 |  |  | 2.87 |  | $ | 2,574 |
Options vested or expected to vest at December 31, 2017 |  | 232,870 |  |  | $ | 9.13 |  |  | 2.87 |  | $ | 2,574 |
Options exercisable at December 31, 2017 |  | 232,870 |  |  | $ | 9.13 |  |  | 2.87 |  | $ | 2,574 |
Information related to the stock option plan during each year follows (in thousands):
|  | 2017 |  | 2016 |  | 2015
Intrinsic value of options exercised |  | $ | 2,807 |  |  | $ | 235 |  |  | $ | 42 |
Cash received from options exercised |  | $ | 2,835 |  |  | $ | 231 |  |  | $ | 60 |
Excess tax benefit realized for option exercises |  | $ | 805 |  |  | $ | 30 |  |  | $ | 6 |
Restricted stock activity | The following table presents the activity for restricted stock during the years then ended:
|  | Shares |  | Weighted Average Grant Date Fair Value
Nonvested outstanding shares at December 31, 2014 |  | 56,850 |  |  | $ | 12.68 |
Granted |  | 9,268 |  |  | $ | 10.79 |
Vested |  | (11,085 | ) |  | $ | 12.67 |
Forfeited |  | (2,005 | ) |  | $ | 12.95 |
Nonvested outstanding shares at December 31, 2015 |  | 53,028 |  |  | $ | 12.34 |
Granted |  | 54,650 |  |  | $ | 14.10 |
Vested |  | (12,438 | ) |  | $ | 12.38 |
Forfeited |  | (1,739 | ) |  | $ | 12.95 |
Nonvested outstanding shares at December 31, 2016 |  | 93,501 |  |  | $ | 13.35 |
Vested |  | (27,373 | ) |  | $ | 13.34 |
Forfeited |  | (2,360 | ) |  | $ | 14.07 |
Nonvested outstanding shares at December 31, 2017 |  | 63,768 |  |  | $ | 13.33 |

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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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 (d) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: 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=96867065&loc=d3e5070-113901 + Details
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