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Asset retirement obligations (Tables) | 6 Months Ended
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Jun. 30, 2022
Asset Retirement Obligation Disclosure [Abstract] |
Schedule of Asset Retirement Obligations And The Changes Due To Accretion Expense | The following table presents the balances for asset retirement obligations and the changes due to accretion expense (in thousands):
| June 30, 2022 |  |  | December 31, 2021 |
Asset retirement obligations, beginning of period | $ | 34,929 |  |  | $ | 33,499 |
Accretion expense |  | 738 |  |  |  | 1,430 |
Asset retirement obligations, end of period | $ | 35,667 |  |  | $ | 34,929 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13201-110859 + Details
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