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Asset Retirement Obligations (Tables) | 9 Months Ended
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Sep. 30, 2023
Asset Retirement Obligation Disclosure [Abstract] |
Schedule of Changes in Asset Retirement Obligation Liabilities | The components of the changes in the asset retirement obligation liabilities were:
(Dollars in thousands) |  | Short-Term Portion |  | Long-Term Portion |  | Total
Balance at December 31, 2022 |  | $ | 243 |  |  | $ | 7,237 |  |  | $ | 7,480 |
Accretion |  | (3) |  |  | 495 |  |  | 492 |
Amounts paid |  | (172) |  |  | — |  |  | (172) |
Reclassifications |  | 189 |  |  | (189) |  |  | — |
Balance at September 30, 2023 |  | $ | 257 |  |  | $ | 7,543 |  |  | $ | 7,800 |

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- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481850/410-20-50-1 + Details
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