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STOCK-BASED COMPENSATION (Tables) | 12 Months Ended
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Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of stock option plans, changes in options outstanding | Changes in options outstanding during 2017 were as follows:
|  |  |  |  |  |  |  | Weighted |  |  |  |
|  |  |  |  | Weighted |  |  | Average |  |  | Aggregate |
|  |  |  |  | Average |  |  | Remaining |  |  | Intrinsic |
|  | Number of |  |  | Exercise |  |  | Contractual |  |  | Value |
|  | Options |  |  | Price |  |  | Term |  |  | (In Thousands) |
Balance, January 1, 2017 |  |  | 179,159 |  |  | $ | 16.27 |  |  |  |  |  |  |  |  |
Granted during 2017 |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Exercised during 2017 |  |  | (50,473 | ) |  |  | 19.07 |  |  |  |  |  |  |  |  |
Expired during 2017 |  |  | (7,722 | ) |  |  | 26.90 |  |  |  |  |  |  |  |  |
Forfeited during 2017 |  |  | (881 | ) |  |  | 15.62 |  |  |  |  |  |  |  |  |
Balance, December 31, 2017 |  |  | 120,083 |  |  | $ | 14.41 |  |  |  | 3.38 years |  |  | $ | 2,475 |
Vested and expected to vest |  |  | 120,083 |  |  | $ | 14.41 |  |  |  | 3.38 years |  |  | $ | 2,475 |
Exercisable at December 31, 2017 |  |  | 120,083 |  |  | $ | 14.41 |  |  |  | 3.38 years |  |  | $ | 2,475 |
Schedule of changes in nonvested performance-based shares | Changes in non-vested shares dependent on performance criteria for 2017 were as follows:
|  |  |  |  | Weighted |
|  |  |  |  | Average |
|  | Number of |  |  | Grant Date |
|  | Shares |  |  | Fair Value |
Balance, January 1, 2017 |  |  | 92,767 |  |  | $ | 18.12 |
Granted during 2017 |  |  | — |  |  |  | — |
Vested during 2017 |  |  | — |  |  |  | — |
Forfeited during 2017 |  |  | — |  |  |  | — |
Balance, December 31, 2017 |  |  | 92,767 |  |  | $ | 18.12 |
Schedule of changes in nonvested shares | Changes in service based restricted stock awards/units for 2017 were as follows:
|  |  |  |  | Weighted |
|  |  |  |  | Average |
|  | Number of |  |  | Grant Date |
|  | Shares |  |  | Fair Value |
Balance, January 1, 2017 |  |  | 368,130 |  |  | $ | 19.26 |
Granted during 2017 |  |  | 136,708 |  |  |  | 30.13 |
Vested during 2017 |  |  | (184,525 | ) |  |  | 18.93 |
Forfeited during 2017 |  |  | (11,688 | ) |  |  | 27.59 |
Balance, December 31, 2017 |  |  | 308,625 |  |  | $ | 23.96 |

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- Definition Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested performance-based units. + 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)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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