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Retirement and Share-based Compensation Plans (Tables) | 12 Months Ended
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Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Share-based Compensation Expense By Plan | The following table summarizes compensation expense recognized for employees, directors and consultants as a result of share-based compensation:
| Year Ended December 31,
| 2016 |  | 2015 |  | 2014
| (Dollars in thousands)
ESOP | $ | 2,522 |  |  | $ | 2,604 |  |  | $ | 2,486 |
Employee Incentive Plans | 1,207 |  |  | 1,911 |  |  | 1,306 |
Director Equity and Incentive Plan and Stock Option Plan | 685 |  |  | 613 |  |  | 789 |
| $ | 4,414 |  |  | $ | 5,128 |  |  | $ | 4,581 |
Schedule of Stock Options Outstanding | Changes in the number of stock options outstanding during the years ended December 31, 2016, 2015 and 2014 are as follows:
| Number of Shares |  | Weighted-Average Exercise Price per Share |  | Total Exercise Price
| (Dollars in thousands, except per share data)
Outstanding at January 1, 2014 | 3,976,725 |  |  | $ | 10.86 |  |  | $ | 43,171 |
Granted | 1,277,650 |  |  | 24.79 |  |  | 31,673 |
Canceled | (35,400 | ) |  | 11.64 |  |  | (412 | )
Exercised | (1,174,800 | ) |  | 11.64 |  |  | (13,672 | )
Outstanding at December 31, 2014 | 4,044,175 |  |  | 15.02 |  |  | 60,760 |
Granted | — |  |  | — |  |  | — |
Canceled | (47,300 | ) |  | 10.54 |  |  | (499 | )
Exercised | (552,884 | ) |  | 14.51 |  |  | (8,021 | )
Outstanding at December 31, 2015 | 3,443,991 |  |  | 15.17 |  |  | 52,240 |
Granted | — |  |  | — |  |  | — |
Canceled | (24,700 | ) |  | 14.83 |  |  | (366 | )
Exercised | (500,345 | ) |  | 9.97 |  |  | (4,989 | )
Outstanding at December 31, 2016 | 2,918,946 |  |  | 16.06 |  |  | $ | 46,885 |
Schedule of Stock Options Outstanding, By Exercise Price Range | The following table summarizes information about stock options outstanding at December 31, 2016:
|  | Stock Options Outstanding |  | Stock Options Vested
Range of Exercise Prices |  | Number of Awards |  | Remaining Life (yrs) |  | Weighted-Average Exercise Price Per Share |  | Number of Awards |  | Remaining Life (yrs) |  | Weighted-Average Exercise Price Per Share
$5.07 - $8.02 |  | 248,225 |  |  | 1.74 |  | $ | 7.16 |  |  | 248,225 |  |  | 1.74 |  | $ | 7.16 |
$9.27 - $11.35 |  | 752,150 |  |  | 2.66 |  | 10.19 |  |  | 752,150 |  |  | 2.66 |  | 10.19 |
$12.04 - $24.79 |  | 1,918,571 |  |  | 3.24 |  | 19.52 |  |  | 1,918,571 |  |  | 3.24 |  | 19.52 |
$5.07 - $24.79 |  | 2,918,946 |  |  | 2.97 |  | 16.06 |  |  | 2,918,946 |  |  | 2.97 |  | 16.06 |

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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + 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)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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