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EMPLOYEE BENEFIT PLANS (Details 7) - Pension Plans, Defined Benefit [Member] | Dec. 31, 2016 | Dec. 31, 2015
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ASSET CATEGORY: |  |
Asset allocations | 100.00% | 100.00%
Cash and Cash Equivalents [Member] |  |
ASSET CATEGORY: |  |
Asset allocations | 8.00% | 6.00%
Domestic equities [Member] |  |
ASSET CATEGORY: |  |
Asset allocations | 10.00% | 7.00%
Mutual funds/ETFs [Member] |  |
ASSET CATEGORY: |  |
Asset allocations | 76.00% | 75.00%
International equities [Member] |  |
ASSET CATEGORY: |  |
Asset allocations | 1.00% | 1.00%
Corporate bonds [Member] |  |
ASSET CATEGORY: |  |
Asset allocations | 5.00% | 11.00%

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