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Assets Held for Sale and Discontinued Operations (Tables) | 12 Months Ended
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Dec. 31, 2022
Discontinued Operations and Disposal Groups [Abstract] |
Major Categories of Assets and Liabilities Reflected as Held for Sale | The following table presents the carrying value of the major categories of assets and liabilities that are reflected as held for sale on the Company’s Consolidated Balance Sheets at December 31, 2022 and 2021.
(Thousands of dollars) | 2022 |  | 2021
Current assets |  |  |
Property, plant and equipment, net | $ | — |  |  | $ | 15,453 |
Total current assets associated with assets held for sale | $ | — |  |  | $ | 15,453 |
Results of Operations Associated with Discontinued Operations | The results of operations associated with discontinued operations are presented in the following table.
(Thousands of dollars) | 2022 |  | 2021 |  | 2020
Revenues | $ | — |  |  | $ | 795 |  |  | $ | 4,090 |
Costs and expenses |  |  |  |  |
Other costs and expenses | 2,078 |  |  | 2,020 |  |  | 11,241 |
Loss from discontinued operations | $ | (2,078) |  |  | $ | (1,225) |  |  | $ | (7,151) |

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