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Employee Benefit Plans (Schedule of Expected Pension Benefit Payments) (Details)
Dec. 31, 2015
USD ($)
Employee Benefit Plans [Abstract]  
2016 $ 2,064,000
2017 2,302,000
2018 2,630,000
2019 2,799,000
2020 3,023,000
2021-2025 $ 20,160,000