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Employee Benefit Plans (Expected Future Benefit Payments) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Pension Plan [Member]
 
Defined Benefit Plan Disclosure [Line Items]  
2014 $ 1,654
2015 1,697
2016 1,789
2017 1,810
2018 1,903
2019-2023 11,197
Postretirement Benefits [Member]
 
Defined Benefit Plan Disclosure [Line Items]  
2014 691
2015 705
2016 717
2017 742
2018 752
2019-2023 $ 3,996