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Employee Benefit Plans (Expected Benefit Payments) (Details)
$ in Thousands
Dec. 31, 2019
USD ($)
Pension Plan [Member]  
Defined Benefit Plan Disclosure [Line Items]  
2020 $ 15,943
2021 16,473
2022 18,981
2023 21,445
2024 23,621
2025 through 2029 136,931
Other Postretirement Benefits [Member]  
Defined Benefit Plan Disclosure [Line Items]  
2020 1,163
2021 1,187
2022 1,141
2023 1,080
2024 938
2025 through 2029 $ 4,069