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SHARE-BASED COMPENSATION (Tables) | 12 Months Ended
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Dec. 31, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Summary of the effects of share-based compensation to options and awards granted under the Company's equity incentive plans | The following table summarizes the effects of share-based compensation to options and awards granted under the Company’s equity incentive plans for each of the periods presented:
| Year Ended December 31,
| 2015 |  | 2014 |  | 2013
| (Dollars in thousands)
Salaries and employee benefits | $ | 4,181 |  |  | $ | 6,101 |  |  | $ | 6,367 |
Directors stock awards | 78 |  |  | 37 |  |  | 45 |
Income tax benefit | (1,694 | ) |  | (2,443 | ) |  | (2,570 | )
Net share-based compensation effect | $ | 2,565 |  |  | $ | 3,695 |  |  | $ | 3,842 |
Summary of option activity for stock option plans | The following is a summary of option activity for our stock option plans for the year ended December 31, 2015:
| Shares |  | Weighted Average Exercise Price |  | Weighted Average Remaining Contractual Term (in years) |  | Aggregate Intrinsic Value (in thousands)
Outstanding at January 1, 2015 | 286,407 |  |  | $ | 33.32 |  |  |  |  |
Changes during the year: |  |  |  |  |  |  |  |  |
Exercised | (25,040 | ) |  | 14.37 |  |  |  |  |
Expired | (4,177 | ) |  | 730.00 |  |  |  |  |
Forfeited | (17,773 | ) |  | 48.60 |  |  |  |  |
Outstanding at December 31, 2015 | 239,417 |  |  | 22.01 |  |  | 6.2 |  | $ | 1,778 |
Exercisable at December 31, 2015 | 163,109 |  |  | 25.61 |  |  | 6.2 |  | 1,192 |
Schedule of activity of restricted stock awards and units | The table below presents the activity of restricted stock awards and units for the year ended December 31, 2015:
| Shares |  | Weighted Average Grant Date Fair Value
Unvested at January 1, 2015 | 715,460 |  |  | $ | 15.77 |
Changes during the year: |  |  |  |  |
Granted | 173,897 |  |  | 19.50 |
Forfeited | (82,373 | ) |  | 16.73 |
Vested | (343,067 | ) |  | 15.21 |
Unvested at December 31, 2015 | 463,917 |  |  | 17.41 |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + 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 (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&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 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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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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- 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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