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EMPLOYEE BENEFIT PLANS (Details 8) - Pension Plans, Defined Benefit [Member] - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
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Defined Benefit Plan, Information about Plan Assets [Abstract] |  |  |
Defined Benefit Plan, Plan Assets, Amount | $ 38,478 | $ 37,100 | $ 30,671
Cash and cash equivalents | Fair Value, Inputs, Level 1 [Member] |  |  |
Defined Benefit Plan, Information about Plan Assets [Abstract] |  |  |
Defined Benefit Plan, Plan Assets, Amount | 18,939 | 44 |
Domestic equities | Fair Value, Inputs, Level 1 [Member] |  |  |
Defined Benefit Plan, Information about Plan Assets [Abstract] |  |  |
Defined Benefit Plan, Plan Assets, Amount | 2,841 | 4,340 |
International equities | Fair Value, Inputs, Level 1 [Member] |  |  |
Defined Benefit Plan, Information about Plan Assets [Abstract] |  |  |
Defined Benefit Plan, Plan Assets, Amount | 0 | 1,322 |
Mutual funds/ETFs | Fair Value, Inputs, Level 1 [Member] |  |  |
Defined Benefit Plan, Information about Plan Assets [Abstract] |  |  |
Defined Benefit Plan, Plan Assets, Amount | 15,808 | 30,470 |
Corporate bonds | Fair Value, Inputs, Level 2 [Member] |  |  |
Defined Benefit Plan, Information about Plan Assets [Abstract] |  |  |
Defined Benefit Plan, Plan Assets, Amount | $ 890 | $ 924 |

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