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v3.23.1

Leases - Recognition of lease liabilities (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Leases |  |
Lease liabilities, Beginning balance | $ 20,744 | $ 22,347
Additions / changes in estimates | 22,462 | 5,288
Exchange difference | (6,426) | (365)
Foreign currency translation | (284) | 461
Unwinding of discount | 2,838 | 1,453
Lease payments | (7,851) | (7,518)
Lease liabilities, Ending balance | $ 32,051 | $ 20,744

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- Definition The amount of additions to lease liabilities. + References No definition available. + Details
Name: | gprk_AdditionsToLeaseLiabilities
Namespace Prefix: | gprk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Amount of lease liabilities exchange differences. + References No definition available. + Details
Name: | gprk_LeaseLiabilitiesExchangeDifferences
Namespace Prefix: | gprk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Amount of foreign currency translation changes in lease liabilities. + References No definition available. + Details
Name: | gprk_LeaseLiabilitiesForeignCurrencyTranslation
Namespace Prefix: | gprk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Amount of payments in lease liabilities. + References No definition available. + Details
Name: | gprk_LeaseLiabilitiesPayments
Namespace Prefix: | gprk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Amount of unwinding discount in lease liabilities. + References No definition available. + Details
Name: | gprk_LeaseLiabilitiesUnwindingOfDiscount
Namespace Prefix: | gprk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition The amount of liabilities related to the entity's leases. Lease is a contract, or part of a contract, that conveys the right to use an underlying asset for a period of time in exchange for consideration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2022-03-24 -Paragraph 47 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2022-en-r&anchor=para_47_b&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_LeaseLiabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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