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Employee Benefit Plans (Details Textual)
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12 Months Ended |
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Dec. 31, 2013
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| Defined Benefit Plan, Investment Goals | The Companys overall investment strategy is to achieve a mix of approximately 50 percent of investments for long-term growth and 50 percent for near-term benefit payments with a wide diversification of asset types and fund strategies. |
| Defined Benefit Plan, Target Plan Asset Allocations | 100.00% |
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Equity Securities [Member]
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| Defined Benefit Plan, Target Plan Asset Allocations | 50.00% |
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Corporate Bonds And US Treasury Securities [Member]
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| Defined Benefit Plan, Target Plan Asset Allocations | 50.00% |