Commitments and Contingent Liabilities - Narrative (Details) - USD ($) $ in Thousands |
9 Months Ended | 10 Months Ended | 28 Months Ended | |
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2026 |
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| Francis Scott Key Bridge Collapse | ||||
| Loss Contingencies [Line Items] | ||||
| Insurance recoveries | $ 6,135 | $ 997 | $ 40,000 | |
| Leer South Mine | ||||
| Loss Contingencies [Line Items] | ||||
| Insurance recoveries | 114,934 | $ 154,500 | ||
| United Mine Workers of America 1992 Benefit Plan Litigation | Pending Litigation | ||||
| Loss Contingencies [Line Items] | ||||
| Lawsuit beginning amount | 64,800 | 64,800 | 64,800 | |
| Damages value | 25,600 | |||
| Annual servicing costs | $ 10,000 | $ 10,000 | $ 10,000 | |
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- Definition Estimated Liability Annual Servicing Cost No definition available.
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- Definition The amount recovered from insurance. These recoveries reduce costs and losses that are reported as a separate line item under operating expenses. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of loss contingency liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The value (monetary amount) of the award the plaintiff seeks in the legal matter. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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