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Employee Benefit Plans (Summary of Assumptions Used to Determine Benefit Obligations and Net Periodic Benefit Costs) (Details)
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12 Months Ended | ||
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Employee Benefit Plans [Abstract] | |||
| Benefit obligations, Discount rate | 4.98% | 3.98% | 5.24% |
| Net periodic benefit cost, Discount rate | 3.98% | 5.24% | 5.26% |
| Net periodic benefit cost, Expected long-term return on plan assets | 7.00% | 7.00% | 7.00% |