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Employee Benefit Plans (Schedule of Pension Weighted Average Asset Allocations) (Details)	Dec. 31, 2014	Dec. 31, 2013
Defined Benefit Plan Disclosure [Line Items]
Asset allocations		100.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations
Equity securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocations		6.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_EquitySecuritiesMember
Debt securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocations
Domestic real estate funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocations
Money market funds [Member]
Defined Benefit Plan Disclosure [Line Items]
Asset allocations		94.00%us-gaap_DefinedBenefitPlanWeightedAverageAssetAllocations / us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis = us-gaap_MoneyMarketFundsMember

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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=35743120&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=35743120&loc=d3e1928-114920

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