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Commitments and Contingent Liabilities - Narrative (Details) $ in Thousands |  | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 13, 2019 USD ($) | Dec. 31, 2023 USD ($) party | Dec. 31, 2018 USD ($) | Dec. 31, 2022 USD ($) | Sep. 30, 2021 USD ($) | Mar. 26, 2020 party | Jun. 05, 2017 company
Product Liability Contingency |  |  |  |  |  |  |
Current portion of accrued settlement |  | $ 8,000 |  | $ 8,000 |  |  |
Long-term portion of accrued settlement (Note 18) |  | 0 |  | $ 8,000 |  |  |
Number of companies receiving general notice letter | company |  |  |  |  |  |  | 140
Present value or proposed remedial work |  | 1,100,000 |  |  |  |  |
Undiscovered remedial work |  | $ 1,700,000 |  |  |  |  |
Remedial work anticipated clean up period |  | 13 years |  |  |  |  |
Number of potentially responsible parties included in agreement | party |  | 100 |  |  |  |  |
Number of parties required to perform remedial design work | party |  |  |  |  |  | 2 |
UPRR |  |  |  |  |  |  |
Product Liability Contingency |  |  |  |  |  |  |
Purchase commitment | $ 48,000 |  |  |  |  |  |
Annual commitment amount | 8,000 |  |  |  | $ 6,000 |  |
UPRR |  |  |  |  |  |  |
Product Liability Contingency |  |  |  |  |  |  |
Litigation settlement amount | 50,000 |  |  |  |  |  |
Litigation settlement amount, current | 2,000 |  |  |  |  |  |
Litigation settlement amount, non-current | $ 48,000 |  |  |  |  |  |
Litigation settlement installment payment term | 6 years |  |  |  |  |  |
Estimated litigation liability, payment due year one |  | $ 8,000 |  |  |  |  |
Amounts reclassified to accrued settlement | $ 6,600 |  |  |  |  |  |
Legal fees |  |  | $ 43,400 |  |  |  |

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