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Employee Benefit Plans (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]      
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent 15.00%    
Defined Contribution Plan, Employer Contributions, Vesting Period 5 years    
Defined Contribution Plan, Cost Recognized $ 440 $ 424 $ 398
Supplemental Employee Retirement Plan, Defined Benefit [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Benefit Obligation 1,458 1,470  
Pension and Other Postretirement Benefit Expense 126 120 116
Cash Surrender Value of Life Insurance 17,790 15,357  
Defined Benefit Plan, Net Periodic Benefit Cost 39 43  
Multiemployer Plans, Postretirement Benefit [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Net Periodic Benefit Cost $ 22 $ 14  
Defined Benefit Plan, Percentage of Plan Funded 92.57% 105.00%  
Defined Benefit Plan, Contribution Percentage 5.00%