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Employee Benefit Plans (Detail Textuals) (Retirement Income Plan, USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Retirement Income Plan
     
Defined Benefit Plan Disclosure [Line Items]      
Benefit obligation exceeds fair value of the plan assets $ (5,102) $ (13,180)  
Employer contribution 800 4,296  
Accumulated other comprehensive loss, before tax (7,760) 2,688 4,800
Percentage of investment for long term growth 70.00%    
Percentage for near term benefit payments 30.00%    
Defined benefit plan future contributions by employer $ 765