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Note 11 - Asset Retirement Obligations (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Schedule of Change in Asset Retirement Obligation [Table Text Block] |
(in thousands) |  | As of December 31, 2022 |  |  | As of December 31, 2021 |
Beginning balance |  | $ | 40,694 |  |  | $ | 17,334 |
Accretion |  |  | 1,958 |  |  |  | 1,627 |
Additions |  |  | 6,134 |  |  |  | 14,564 |
Revisions |  |  | (43 | ) |  |  | 7,169 |
Settlements |  |  | (6,577 | ) |  |  | — |
Foreign currency gain (loss) |  |  | (165 | ) |  |  |  |
Ending balance |  | $ | 42,001 |  |  | $ | 40,694 |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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