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Supplemental information on oil and gas activities (Schedule of Costs Incurred in Exploration, Property Acquisitions and Development) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Acquisition of properties, Proved | $ 0 | $ 202,913 | $ 0
Acquisition of properties, Unproved | 0 | 73,310 | 0
Total property acquisition | 0 | 276,223 | 0
Exploration | 45,769 | 29,951 | 39,826
Development | 81,000 | 51,930 | 111,089
Total costs incurred | 126,769 | 81,881 | 150,915
Colombia [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Acquisition of properties, Proved | 0 | 202,913 | 0
Acquisition of properties, Unproved | 0 | 73,310 | 0
Total property acquisition | 0 | 276,223 | 0
Exploration | 40,828 | 19,142 | 22,008
Development | 81,310 | 51,793 | 68,818
Total costs incurred | 122,138 | 70,935 | 90,826
Chile [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Acquisition of properties, Proved | 0 | 0 | 0
Acquisition of properties, Unproved | 0 | 0 | 0
Total property acquisition | 0 | 0 | 0
Exploration | 3,940 | 9,447 | 8,483
Development | 1,900 | 3,580 | 2,611
Total costs incurred | 5,840 | 13,027 | 11,094
Brazil [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Acquisition of properties, Proved | 0 | 0 | 0
Acquisition of properties, Unproved | 0 | 0 | 0
Total property acquisition | 0 | 0 | 0
Exploration | 3 | 668 | 5,219
Development | (2,212) | 412 | 143
Total costs incurred | (2,209) | 1,080 | 5,362
Argentina [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Acquisition of properties, Proved | 0 | 0 | 0
Acquisition of properties, Unproved | 0 | 0 | 0
Total property acquisition | 0 | 0 | 0
Exploration | 998 | 694 | 4,116
Development | 2 | (3,855) | 25,109
Total costs incurred | $ 1,000 | $ (3,161) | 29,225
Peru [Member] |  |  |
Disclosure Of Supplemental information on oil and gas activities [Line Items] |  |  |
Acquisition of properties, Proved |  |  | 0
Acquisition of properties, Unproved |  |  | 0
Total property acquisition |  |  | 0
Exploration |  |  | 0
Development |  |  | 14,408
Total costs incurred |  |  | $ 14,408

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- Definition Costs incurred, including capitalized costs and costs charged to expense, associated with the acquisition of properties that have proved reserves. + References No definition available. + Details
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- Definition Costs incurred, including capitalized costs and costs charged to expense, associated with the acquisition of properties that have unproved reserves. + References No definition available. + Details
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- Definition Include drilling costs and equipment for developmental wells, the construction of facilities for extraction, treatment and storage of hydrocarbons and all necessary costs to maintain facilities for the existing developed reserves. + References No definition available. + Details
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- Definition Include geological and geophysical costs, costs necessary for retaining undeveloped properties, drilling costs and exploratory wells equipment. + References No definition available. + Details
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- Definition Amount of costs incurred related to property of oil and gas acquisition, exploration and development activities, including capitalized costs and costs charged to expense. + References No definition available. + Details
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