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Geological and geophysical expenses (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Geological and geophysical expenses |  |  |
Staff costs (Note 11) | $ 7,097 | $ 6,042 | $ 12,653
Share-based payment (Notes 11) | 393 | 177 | 240
Communication and IT costs | 1,743 | 1,071 | 850
Consultant fees | 917 | 854 | 545
Allocation to capitalised project | (416) | (953) | (102)
Other services | 795 | 700 | 765
Geological and geophysical expenses | $ 10,529 | $ 7,891 | $ 14,951

X
- Definition The amount of expenses capitalised. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of communication and IT costs related to geological and geophysical expenses. + References No definition available. + Details
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Namespace Prefix: | gprk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of consultant fees related to geological and geophysical expenses. + References No definition available. + Details
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Namespace Prefix: | gprk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | gprk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The costs incurred by the Company attributable to geological and geophysical activities which are not capitalised in accordance with IFRS 6 and Company accounting policies, excluding items that are not consider part of EBITDA + References No definition available. + Details
Name: | gprk_GeologicalAndGeophysicalExpenses
Namespace Prefix: | gprk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The amount of Share-based payment related to geological and geophysical expenses. + References No definition available. + Details
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Namespace Prefix: | gprk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The amount of staff costs related to geological and geophysical expenses. + References No definition available. + Details
Name: | gprk_StaffCostsRelatedToGeologicalAndGeophysicalExpenses
Namespace Prefix: | gprk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of expense arising from services. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 85 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_85&doctype=Standard -URIDate 2022-03-24 + Details
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Balance Type: | debit
Period Type: | duration