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Employee Benefit Plans (Schedule of Assumptions used to Determine the Projected Benefit Obligation) (Details)	Dec. 31, 2015		Dec. 31, 2014		Dec. 31, 2013
Employee Benefit Plans [Abstract]
Weighted average discount rate	4.50%		4.00%		5.00%
Rate of increase in compensation levels	3.25%	[1]	3.25%	[1]	3.75%
[1] 6.0% graded down to 3.25% over the first seven years of service

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- References

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- Definition

The interest rate used to adjust for the time value of money for the plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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- Definition

Expected rate of compensation increases (for pay-related plans).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(2)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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