EMPLOYEE BENEFIT PLANS - Schedule of Weighted-Average and Target Asset Allocations (Details) - Pension Benefits	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Target allocations	100.00%
Weighted-average asset allocations	100.00%	100.00%
Domestic equity securities
Defined Benefit Plan Disclosure [Line Items]
Target allocations	34.00%
Weighted-average asset allocations	31.00%	34.00%
International equity securities
Defined Benefit Plan Disclosure [Line Items]
Target allocations	18.00%
Weighted-average asset allocations	20.00%	18.00%
Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Target allocations	36.00%
Weighted-average asset allocations	35.00%	35.00%
Other
Defined Benefit Plan Disclosure [Line Items]
Target allocations	12.00%
Weighted-average asset allocations	9.00%	10.00%
Cash
Defined Benefit Plan Disclosure [Line Items]
Target allocations	0.00%
Weighted-average asset allocations	5.00%	3.00%

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- Definition

Target allocation of investments of this type to total plan assets presented on a weighted average basis.

+ 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)(i)
-URI http://asc.fasb.org/extlink&oid=65897934&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)(i)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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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=65897934&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=65897934&loc=d3e1928-114920

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