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Pension and Other Postretirement Benefits - Benefits Expected to be Paid in Subsequent Years from Our Pension and Other Postretirement as Well as Medicare Subsidy Receipts (Details) $ in Thousands | Dec. 31, 2019 USD ($)
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Pension Benefits |
Pension And Other Employee Benefit Plans [Line Items] |
2020 | $ 22,952
2021 | 22,159
2022 | 22,595
2023 | 24,115
2024 | 22,397
2025-2029 | 109,442
Total | 223,660
Other Benefits |
Pension And Other Employee Benefit Plans [Line Items] |
2020 | 1,431
2021 | 1,442
2022 | 1,450
2023 | 1,453
2024 | 1,461
2025-2029 | 7,447
Total | $ 14,684

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