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Employee Benefit Plans (Details Textual)
 12 Months Ended
Dec. 31, 2013
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%
Equity Securities [Member]
  
Defined Benefit Plan, Target Plan Asset Allocations 50.00%
Corporate Bonds And US Treasury Securities [Member]
  
Defined Benefit Plan, Target Plan Asset Allocations 50.00%