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EMPLOYEE BENEFIT PLANS (Details 1) - Pension Plans, Defined Benefit [Member] - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
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Amounts recognized in accumulated other comprehensive loss consists of: |  |
Net actuarial loss | $ 15,326 | $ 17,602
Total | $ 15,326 | $ 17,602

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