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Employee Benefit Plan - Expected Benefit Payments (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract]  
2014 $ 11,739
2015 616
2016 752
2017 757
2018 863
2019-2023 $ 5,908