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Employee Benefits and Retirement Plans - Estimated Future Benefit Payments (Details) (USD $)
Dec. 31, 2013
Compensation and Retirement Disclosure [Abstract]  
2013 $ 1,048,000
2014 1,159,000
2015 1,163,000
2016 1,139,000
2017 1,117,000
Years 2019– 2023 $ 5,211,000