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STOCK OPTIONS AND AWARDS (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based Payment Arrangement, Noncash Expense | $ 7,969 | $ 6,219 | $ 5,446 |
Total unrecognized compensation cost |  |  |  | $ 8,500
Unrecognized compensation cost, period for recognition (in years) | 1 year 11 months 4 days |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Option Term | 10 years |  |  |
Options outstanding at end of year | 37,856 | 62,410 |  | 37,856
Number of Shares Available for Grant |  |  |  | 1,513,826
Activity for stock option plan [Roll Forward] |  |  |  |
Outstanding at beginning of year (in shares) | 62,410 |  |  |
Granted (in shares) | 0 | 0 | 0 |
Exercised (in shares) | (24,554) |  |  |
Forfeited or expired (in shares) | 0 |  |  |
Outstanding at end of year (in shares) | 37,856 | 62,410 |  |
Exercised (in shares) |  |  |  | 37,856
Weighted average exercise price, outstanding at beginning of year (in dollars per share) | $ 9.08 |  |  |
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 |  |  |
Weighted average exercise price, exercised (in dollars per share) | $ 8.37 |  |  |
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) | $ 9.54 | $ 9.08 |  |
Weighted average exercise price, Exercisable (in dollars per share) |  |  |  | $ 9.54
Weighted average remaining contractual term, outstanding at end of year (in years) | 3 years 1 month 13 days |  |  |
Weighted average remaining contractual life, exercisable at end of year (in years) | 3 years 1 month 13 days |  |  |
Aggregate intrinsic value, outstanding at end of year |  |  |  | $ 602
Aggregate intrinsic value, exercisable at end of year |  |  |  | $ 602
Share-based Payment Arrangement, Additional Disclosure [Abstract] |  |  |  |
Total intrinsic value of options exercised | $ 462 | $ 734 | $ 1,533 |
Proceeds from exercise of stock options | 90 | 284 | 341 |
Share-based Payment Arrangement, Exercise of Option, Tax Benefit | 1,844 | 1,439 | 1,991 |
Restricted Stock [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Vested in period, total fair value | $ 7,400 | $ 5,600 | $ 5,600 |
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 | 462,446 | 468,372 | 648,817 |
Number of shares granted | 395,023 | 303,930 | 234,529 |
Number of shares vested | (295,633) | (267,031) | (307,825) |
Number of shares forfeited | (31,267) | (42,825) | (107,149) |
Number of shares nonvested at end of year | 530,569 | 462,446 | 468,372 |
Weighted average of shares fair value, nonvested at beginning of year | $ 26.39 | $ 21.63 | $ 17.82 |
Weighted average of shares fair value granted | 26.55 | 28.94 | 27.36 |
Weighted average of shares fair value vested | 24.94 | 20.94 | 18.12 |
Weighted average of shares fair value forfeited | 28.63 | 26.38 | 21.18 |
Weighted average of shares fair value, nonvested at end of year | $ 27.19 | $ 26.39 | $ 21.63 |

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