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Employee Benefit Plans - Schedule of Expected Benefit Payments (Details)
$ in Thousands
Dec. 31, 2016
USD ($)
Estimated Future Benefit Payments for FYE 12/31  
2015 $ 1,613
2016 1,762
2017 1,858
2018 2,028
2019 2,020
2022 and thereafter $ 11,269