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Employee Benefit Plans (Schedule of Long-term Rate of Return on Assets (Details)	12 Months Ended
	Dec. 31, 2015
Defined Benefit Plan Disclosure [Line Items]
Assumed long-term rate of return on assets	6.75%
Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations	50.00%
One-Year Nominal Return	4.84%
Annual Standard Deviation	4.64%
U.S. Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations	34.00%
Large Cap U.S. Growth Equities
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations	8.50%
One-Year Nominal Return	8.14%
Annual Standard Deviation	18.35%
Large Cap U.S. Value Equities
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations	8.50%
One-Year Nominal Return	7.29%
Annual Standard Deviation	16.27%
Large Cap U.S. Equities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations	10.00%
One-Year Nominal Return	7.42%
Annual Standard Deviation	16.14%
Small Cap U.S. Equities [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations	7.00%
One-Year Nominal Return	8.42%
Annual Standard Deviation	20.02%
Non-U.S. Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations	16.00%
International (Developed) [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations	15.00%
One-Year Nominal Return	8.80%
Annual Standard Deviation	19.35%
International (Emerging) [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations	1.00%
One-Year Nominal Return	10.49%
Annual Standard Deviation	27.66%

X

- Definition

The expected percentage of annual standard deviation on assets.

+ References

No definition available.

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- Definition

The percentage of expected long term rate return during the reporting period.

+ References

No definition available.

+ Details

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- Definition

The expected percentage of one-year nominal return on assets.

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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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=58740216&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=58740216&loc=d3e1928-114920

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