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Pension and SERP Plans (Components of The Net Periodic Pension Plan Cost) (SERP) (Details) (SERP [Member], USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
SERP [Member]
   
Defined Benefit Plan Disclosure [Line Items]    
Service cost $ 24 $ 30
Interest cost 57 64
Amortization of recognized loss (4) 1
Amortization of prior service cost 5 5
Net pension credit included in employee benefits $ 82 $ 100