Quarterly report pursuant to Section 13 or 15(d)

Note 13 - Asset Retirement Obligations - Changes in Asset Retirement Obligations (Details)

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Note 13 - Asset Retirement Obligations - Changes in Asset Retirement Obligations (Details) - USD ($)
$ in Thousands
1 Months Ended 6 Months Ended 12 Months Ended
Oct. 31, 2022
Jun. 30, 2023
Dec. 31, 2022
Beginning balance   $ 42,001 $ 40,694
Accretion   1,118 1,958
Additions $ 6,100 0 6,134
Revisions   5,726 (43)
Settlements $ (6,600) (374) (6,577)
Foreign currency gain (loss)   216 (165)
Ending balance   $ 48,687 $ 42,001