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EMPLOYEE BENEFIT PLANS (Details 7) - Pension Plans, Defined Benefit [Member]	Dec. 31, 2017	Dec. 31, 2016
ASSET CATEGORY:
Asset allocations	100.00%	100.00%
Cash and Cash Equivalents [Member]
ASSET CATEGORY:
Asset allocations	0.00%	8.00%
Domestic equities [Member]
ASSET CATEGORY:
Asset allocations	12.00%	10.00%
Mutual funds/ETFs [Member]
ASSET CATEGORY:
Asset allocations	82.00%	76.00%
International equities [Member]
ASSET CATEGORY:
Asset allocations	4.00%	1.00%
Corporate bonds [Member]
ASSET CATEGORY:
Asset allocations	2.00%	5.00%

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- References

No definition available.

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- Definition

Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2446-114920

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(1)
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

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