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Pension and Postretirement Benefit Plans (Schedule of Funded Status for the Pension and Postretirement Benefit Plans) (Details) (Postretirement Benefits Plan [Member], USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Postretirement Benefits Plan [Member]
      
Defined Benefit Plan Disclosure [Line Items]      
Funded status $ (138) $ (150) $ (150)
Unrecognized net actuarial loss 0 0 0
Unrecognized net transition obligation 0 0 0
Unrecognized prior service cost 0 0 0
Accrued benefits (138) (150) (150)
Accrued liability (138) (150) (150)
Amounts Recognized in Consolidated Balance Sheets (138) (150) (150)
Net actuarial loss (gain) (65) (65) (76)
Net transition obligation 0 0 0
Deferred tax (benefit)/liability 21 21 25
Amounts recognized in Accumulated Other Comprehensive Income $ (44) $ (44) $ (51)