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Pension (Net Pension Cost) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Pension [Abstract]    
Service cost - benefits earned during the period $ 133 $ 132
Interest cost on projected benefit obligation 1,261 1,122
Expected Return on Plan Assets (1,561) (1,609)
Amortization of unrecognized net loss 360 767
Net periodic pension cost $ 193 $ 412