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Asset Retirement Obligations (Tables) | 9 Months Ended
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Sep. 30, 2025
Asset Retirement Obligation Disclosure [Abstract] |
Asset Retirement Obligations | Activity related to our liability for plugging and abandonment costs for the nine months ended September 30, 2025 and the year ended December 31, 2024 is as follows (in thousands):
| Nine Months Ended September 30, 2025 |  |  | Year Ended December 31, 2024 |
Beginning of period | $ | 133,767 |  |  | $ | 117,429 |
Liabilities incurred |  | 3,126 |  |  |  | 3,871 |
Liabilities settled |  | (724 | ) |  |  | (4,655 | )
Accretion expense |  | 5,742 |  |  |  | 7,148 |
Change in estimate |  | (119 | ) |  |  | 9,974 |
End of period |  | 141,792 |  |  |  | 133,767 |
Less current portion |  | (1,189 | ) |  |  | (1,189 | )
Long-term asset retirement obligations | $ | 140,603 |  |  | $ | 132,578 |

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- Definition Tabular disclosure of the carrying amount of a liability for asset retirement obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481850/410-20-50-1 + Details
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