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Employee Benefit Plans - Schedule of Expected Benefit Payments (Details) - Pension Plans, Defined Benefit
$ in Thousands
Dec. 31, 2016
USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]  
2018 $ 10,563
2019 10,670
2020 10,730
2021 10,748
2022 10,561
2023-2027 $ 49,917