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Employee Benefit Plans (Details 6) - DB Pension Plan	Dec. 31, 2016	Dec. 31, 2015
Weighted-average asset allocations	100.00%	100.00%
Equity securities
Weighted-average asset allocations	68.00%	75.00%
Debt securities
Weighted-average asset allocations	30.00%	24.00%
Other
Weighted-average asset allocations	2.00%	1.00%

X

- 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=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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