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Discontinued Operations (Narrative) (Details) - DuBois [Member] - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
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Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Estimated liability for potential environmental cleanup and related costs from the sale | $ 1,700 | $ 1,700
Discontinued operations, amount included in other current liabilities | 826 |
Discontinued operations, amount included in other liabilities (long-term) | 895 |
Maximum [Member] |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Contingent liability for incurring additional environmental cleanup and related costs | $ 14,900 |

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