Employee Benefit Plans (Asset Allocation for the Plan) (Details) (Pension Plans [Member])
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Dec. 31, 2014
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Dec. 31, 2013
|
---|---|---|
Fixed Income [Member]
|
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Actual allocation of plan assets, Fixed income | 29.80% | 31.40% |
US Equity [Member]
|
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Actual allocation of plan assets, Fixed income | 28.20% | 30.80% |
Foreign Equity [Member]
|
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Actual allocation of plan assets, Fixed income | 25.60% | 30.80% |
Commodity [Member]
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Actual allocation of plan assets, Fixed income | 12.10% | 2.30% |
Money Market Funds [Member]
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Actual allocation of plan assets, Fixed income | 4.30% | 4.70% |