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Employee Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2017
Defined Benefit Plan [Abstract] |
Schedule of Share-based Compensation, Stock Options, Activity | A summary of the status of these stock option plans is presented in the following table:
|  | Number |  | Weighted Average Exercisable Price
Outstanding at December 31, 2016 |  | 717,524 |  |  | $ | 10.57 |
Granted |  | — |  |  | — |
Exercised |  | (506,923 | ) |  | 9.64 |
Forfeited |  | (24,496 | ) |  | 19.90 |
Capstone options assumed in business combination |  | 130,469 |  |  | 11.76 |
Outstanding at December 31, 2017 |  | 316,574 |  |  | $ | 11.82 |
|  | Number |  | Weighted Average Exercisable Price
Outstanding at December 31, 2015 |  | 817,414 |  |  | $ | 10.62 |
Granted |  | — |  |  | — |
Exercised |  | (89,556 | ) |  | 8.98 |
Forfeited |  | (10,334 | ) |  | 28.49 |
Outstanding at December 31, 2016 |  | 717,524 |  |  | $ | 10.57 |
Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Options Non Vested | Information related to non-vested options for the period ended December 31, 2017, is as follows:
|  | Number |  | Weighted Average Grant-Date Fair Value
Nonvested at December 31, 2016 |  | 47,970 |  |  | $ | 12.31 |
Granted |  | — |  |  | — |
Vested |  | (14,469 | ) |  | 12.31 |
Forfeited/expired |  | (10,046 | ) |  | 12.31 |
Nonvested at December 31, 2017 |  | 23,455 |  |  | $ | 12.31 |
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range | Information pertaining to options outstanding at December 31, 2017, is as follows:
|  | Options Outstanding |  | Options Exercisable
|  |  |  | Weighted- Average Remaining |  | Weighted- Average |  |  |  | Weighted- Average
Exercise |  | Number |  | Contractual |  | Exercise |  | Number |  | Exercise
Prices |  | Outstanding |  | Life |  | Price |  | Exercisable |  | Price
6.60 |  |  | 37,500 |  |  | 4.2 years |  | 6.60 |  |  | 37,500 |  |  | 6.60 |
6.80 |  |  | 16,875 |  |  | 3.2 years |  | 6.80 |  |  | 16,875 |  |  | 6.80 |
9.48 |  |  | 26,875 |  |  | 5.2 years |  | 9.48 |  |  | 26,875 |  |  | 9.48 |
9.60 |  |  | 35,625 |  |  | 6.2 years |  | 9.60 |  |  | 35,625 |  |  | 9.60 |
11.67 |  |  | 2,000 |  |  | 3.1 years |  | 11.67 |  |  | 2,000 |  |  | 11.67 |
11.76 |  |  | 130,469 |  |  | 1.9 years |  | 11.76 |  |  | 130,469 |  |  | 11.76 |
14.40 |  |  | 12,805 |  |  | 1.2 years |  | 14.40 |  |  | 12,805 |  |  | 14.40 |
15.05 |  |  | 41,259 |  |  | 7.8 years |  | 15.05 |  |  | 17,804 |  |  | 15.05 |
31.96 |  |  | 13,166 |  |  | 0.2 years |  | 31.96 |  |  | 13,166 |  |  | 31.96 |
Outstanding, end of year |  | 316,574 |  |  | 3.7 years |  | 11.82 |  |  | 293,119 |  |  | 11.56 |
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity | The following table summarizes activity relating to non-vested restricted stock awards:
|  | Number
Nonvested at December 31, 2016 |  | — |
Granted |  | 27,500 |
Vested |  | — |
Forfeited/expired |  | — |
Nonvested at December 31, 2017 |  | 27,500 |

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- Definition Tabular disclosure of non-vested share options (or share units) at the date of the latest statement of financial position. + References No definition available. + Details
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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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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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- 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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