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RETIREMENT PLANS (Narrative) (Details) | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
BENEFIT PLAN [Abstract] |  |  |
Defined Contribution Plan, Employer Matching Contribution, Percent of Match | 0.25% | 0.25% | 0.25%
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent | 1.00% | 1.00% | 1.00%
Defined Contribution Plan, Employer Match Safe Harbor |  |  | 3.00%

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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
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- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
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