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Asset retirement obligations (Tables) | 12 Months Ended
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Dec. 31, 2023
Asset Retirement Obligation Disclosure [Abstract] |
Schedule of changes in the asset retirement obligations | The following table presents the changes in the asset retirement obligations during the years ended December 31, 2023, 2022 and 2021:
| Year Ended December 31,
(in thousands) | 2023 |  | 2022 |  | 2021
Asset retirement obligations, beginning of year | $ | 4,963 |  |  | $ | 2,962 |  |  | $ | 3,114 |
Liabilities incurred during the period | 2,370 |  |  | 1,012 |  |  | 465 |
Revision of estimates (1) | 2,596 |  |  | 490 |  |  | (868) |
Accretion of discount during the period | 441 |  |  | 499 |  |  | 447 |
Disposals or settlements | (496) |  |  | — |  |  | (196) |
Asset retirement obligations, end of year | $ | 9,874 |  |  | $ | 4,963 |  |  | $ | 2,962 |
Less current portion of asset retirement obligations | 483 |  |  | 218 |  |  | — |
Asset retirement obligations, long-term | $ | 9,391 |  |  | $ | 4,745 |  |  | $ | 2,962 |
__________________________________________ (1)Revisions in estimated liabilities during 2023 relate primarily to changes in estimated well lives, while revisions in prior year relate primarily to changes in estimates of asset retirement costs.

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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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