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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, 2020 USD ($)
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Pension Benefits |
Pension And Other Employee Benefit Plans [Line Items] |
2021 | $ 19,497
2022 | 19,044
2023 | 20,320
2024 | 21,247
2025 | 19,417
2026-2030 | 99,881
Total | 199,406
Other Benefits |
Pension And Other Employee Benefit Plans [Line Items] |
2021 | 1,460
2022 | 1,457
2023 | 1,458
2024 | 1,463
2025 | 1,466
2026-2030 | 7,413
Total | $ 14,717

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