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STOCK OPTIONS AND AWARDS (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based Compensation | $ 6,219 | $ 5,446 | $ 5,354 |
Total unrecognized compensation cost |  |  |  | $ 6,900
Unrecognized compensation cost, period for recognition (in years) | 1 year 343 days |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Option Term | 10 years |  |  |
Options outstanding at end of year | 11,800 | 11,800 |  | 62,410
Number of Shares Available for Grant |  |  |  | 1,877,079
Activity for stock option plan [Roll Forward] |  |  |  |
Outstanding at beginning of year (in shares) | 11,800 |  |  |
Granted (in shares) | 0 | 0 | 0 |
Exercised (in shares) | (32,941) |  |  |
Forfeited or expired (in shares) | 0 |  |  |
Outstanding at end of year (in shares) | 62,410 | 11,800 |  |
Exercised (in shares) |  |  |  | 62,410
Weighted average exercise price, outstanding at beginning of year (in dollars per share) | $ 11.64 |  |  |
Weighted average exercise price, granted (in dollars per share) | $ 0.00 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Other Share Increase (Decrease) | 83,551 |  |  |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Other Share Increase (Decrease) in Period, Weighted Average Exercise Price | $ 8.54 |  |  |
Weighted average exercise price, exercised (in dollars per share) | 8.62 |  |  |
Weighted average exercise price, forfeited or expired (in dollars per share) | 0.00 |  |  |
Weighted average exercise price, outstanding at end of year (in dollars per share) | $ 9.08 | $ 11.64 |  |
Weighted average exercise price, Exercisable (in dollars per share) |  |  |  | $ 9.08
Weighted average remaining contractual term, outstanding at end of year (in years) | 3 years 263 days |  |  |
Weighted average remaining contractual life, exercisable at end of year (in years) | 3 years 263 days |  |  |
Aggregate intrinsic value, outstanding at end of year |  |  |  | $ 914
Aggregate intrinsic value, exercisable at end of year |  |  |  | $ 914
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract] |  |  |  |
Total intrinsic value of options exercised | $ 734 | $ 1,533 | $ 661 |
Proceeds from exercise of stock options | 284 | 341 | 801 |
Employee Service Share-based Compensation, Tax Benefit from Exercise of Stock Options | 1,439 | 1,991 | 1,958 |
Restricted Stock [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vested in period, total fair value | $ 5,600 | $ 5,600 | $ 4,400 |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward] |  |  |  |
Number of shares nonvested at beginning of year | 468,372 | 648,817 | 643,641 |
Number of shares granted | 303,930 | 234,529 | 317,695 |
Number of shares vested | (267,031) | (307,825) | (263,713) |
Number of shares forfeited | (42,825) | (107,149) | (48,806) |
Number of shares nonvested at end of year | 462,446 | 468,372 | 648,817 |
Weighted average of shares fair value, nonvested at beginning of year | $ 21.63 | $ 17.82 | $ 17.21 |
Weighted average of shares fair value granted | 28.94 | 27.36 | 18.13 |
Weighted average of shares fair value vested | 20.94 | 18.12 | 16.82 |
Weighted average of shares fair value forfeited | 26.38 | 21.18 | 17.37 |
Weighted average of shares fair value, nonvested at end of year | $ 26.39 | $ 21.63 | $ 17.82 |

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- Definition Unrecognized cost of unvested share-based compensation awards. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Amount of tax benefit from exercise of stock options granted under share-based compensation arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109197908&loc=SL79508275-113901 + Details
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- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(3) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3)-(4) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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