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Assets Held for Sale and Discontinued Operations (Results of Operations Associated with Discontinued Operations) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Loss from discontinued operations | $ (422) | $ (706) | $ (1,916) | $ (600)
Discontinued Operation | U.K. and U.S. Refining And Marketing Operations |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Revenues | 0 | 144 | 10 | 801
Other costs and expenses | 422 | 850 | 1,926 | 1,401
Loss before taxes | (422) | (706) | (1,916) | (600)
Income tax expense | 0 | 0 | 0 | 0
Loss from discontinued operations | $ (422) | $ (706) | $ (1,916) | $ (600)

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