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v3.22.1

Assets Held for Sale and Discontinued Operations (Tables) | 3 Months Ended
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Mar. 31, 2022
Discontinued Operations and Disposal Groups [Abstract] |
Results of Operations Associated with Discontinued Operations | The results of operations associated with discontinued operations for the three-month periods ended March 31, 2022 and 2021 were as follows:
|  |  | Three Months Ended March 31,
(Thousands of dollars) |  |  |  |  | 2022 |  | 2021
Revenues |  |  |  |  | $ | 10 |  |  | 44 |
Costs and expenses |  |  |  |  |  |  |
Other costs and expenses (benefits) |  |  |  |  | 561 |  |  | (164) |
(Loss) income before taxes |  |  |  |  | (551) |  |  | 208 |
Income tax expense |  |  |  |  | — |  |  | — |
(Loss) income from discontinued operations |  |  |  |  | $ | (551) |  |  | 208 |
Major Categories of Assets and Liabilities Reflected as Held for Sale |
(Thousands of dollars) | March 31, 2022 |  | December 31, 2021
Current assets |  |  |
Property, plant, and equipment, net | 15,701 |  |  | 15,453 |
Total current assets associated with assets held for sale | $ | 15,701 |  |  | 15,453 |

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- Definition Schedule Of Disposal Groups Including Discontinued Operations Income Statement Disclosures [Table Text Block] + References No definition available. + Details
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