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Employee Benefit Plans (Expected Benefit Payments) (Details)
$ in Thousands
Dec. 31, 2019
USD ($)
Pension Plans Defined Benefit [Member]  
Defined Benefit Plan Disclosure [Line Items]  
2020 $ 15,670
2021 11,458
2022 12,198
2023 12,902
2024 13,985
Next 5 years 84,334
Defined Benefit Postretirement Health Coverage [Member]  
Defined Benefit Plan Disclosure [Line Items]  
2020 611
2021 673
2022 768
2023 851
2024 896
Next 5 years $ 6,377