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Employee Benefit Plans (Details 2) (Pension Plan, USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Pension Plan
   
Net gain (loss) $ 3,579 $ (3,380)
Prior service cost      
Amount recognized in AOCI before tax effect 3,579 (3,380)
Tax (expense) benefit (1,396) 1,317
Net amount recognized as increase (decrease) to AOCI $ 2,183 $ (2,063)