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Employee Benefit Plans (Details) - USD ($)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
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 $ 445,000 $ 445,000 $ 440,000
Defined Benefit Plan, Percentage of Plan Funded 79.90% 98.90%  
Defined Benefit Plan, Contribution Percentage 5.00%    
Supplemental Employee Retirement Plan, Defined Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Benefit Obligation $ 1,427,000 $ 1,443,000  
Pension and Other Postretirement Benefit Expense 122,000 124,000 126,000
Cash Surrender Value of Life Insurance 18,820,000 18,284,000  
Defined Benefit Plan, Net Periodic Benefit Cost 89,000 87,000  
Multiemployer Plans, Postretirement Benefit [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan, Net Periodic Benefit Cost 48,000 17,000 22,000
Defined Benefit Plan, Contributions by Employer $ 48,000 $ 17,000 $ 22,000