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v3.23.1

Supplemental information on oil and gas activities (Schedule of Capitalized Costs Related to Oil and Gas Producing Activities) (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
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Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Proved properties, Equipment, camps and other facilities | $ 222,727 | $ 201,177 | $ 197,829
Proved properties, Mineral interest and wells | 1,079,257 | 957,932 | 968,617
Proved properties, Other uncompleted projects | 16,480 | 27,204 | 15,477
Unproved properties | 113,041 | 94,690 | 77,820
Gross capitalised costs | 1,431,505 | 1,281,003 | 1,259,743
Accumulated depreciation | (771,353) | (679,774) | (658,432)
Total net capitalised costs | 660,152 | 601,229 | 601,311
Colombia [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Proved properties, Equipment, camps and other facilities | 144,672 | 125,078 | 115,577
Proved properties, Mineral interest and wells | 672,424 | 580,931 | 511,040
Proved properties, Other uncompleted projects | 16,099 | 26,136 | 13,048
Unproved properties | 102,760 | 94,419 | 77,388
Gross capitalised costs | 935,955 | 826,564 | 717,053
Accumulated depreciation | (354,981) | (282,616) | (228,929)
Total net capitalised costs | 580,974 | 543,948 | 488,124
Chile [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Proved properties, Equipment, camps and other facilities | 74,490 | 72,766 | 74,363
Proved properties, Mineral interest and wells | 343,926 | 334,993 | 348,366
Proved properties, Other uncompleted projects | 113 | 818 | 2,158
Unproved properties |  | 0 |
Gross capitalised costs | 418,529 | 408,577 | 424,887
Accumulated depreciation | (371,171) | (358,417) | (345,611)
Total net capitalised costs | 47,358 | 50,160 | 79,276
Brazil [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Proved properties, Equipment, camps and other facilities | 3,565 | 3,333 | 3,580
Proved properties, Mineral interest and wells | 44,716 | 42,008 | 47,729
Proved properties, Other uncompleted projects | 268 | 250 | 245
Unproved properties | 290 | 271 | 432
Gross capitalised costs | 48,839 | 45,862 | 51,986
Accumulated depreciation | (42,885) | (38,741) | (38,273)
Total net capitalised costs | 5,954 | 7,121 | 13,713
Argentina [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Proved properties, Equipment, camps and other facilities |  | 0 | 4,309
Proved properties, Mineral interest and wells |  | 0 | 61,482
Proved properties, Other uncompleted projects |  | 0 | 26
Unproved properties |  | 0 | 0
Gross capitalised costs |  | 0 | 65,817
Accumulated depreciation |  | 0 | (45,619)
Total net capitalised costs |  | $ 0 | $ 20,198
Ecuador [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Proved properties, Mineral interest and wells | 18,191 |  |
Unproved properties | 9,991 |  |
Gross capitalised costs | 28,182 |  |
Accumulated depreciation | (2,316) |  |
Total net capitalised costs | $ 25,866 |  |

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