Commodity risk management contracts (Summary of Gain (Loss) on the Commodity Risk Management Contracts) (Details) $ in Thousands	12 Months Ended
Dec. 31, 2022 USD ($)
Disclosure Of Consolidated Statement Of Comprehensive Income [Abstract]
Realized loss on commodity risk management contracts	$ (83,244)
Unrealized gain on commodity risk management contracts	13,023
Total	$ (70,221)

Represents the amount of non hedging gains losses for price derivatives unrealized during the period.

No definition available.

Name:	gprk_UnrealizedLossOnCommodityRiskManagementContracts
Namespace Prefix:	gprk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration