XML 49 R38.htm IDEA: XBRL DOCUMENT
v3.23.1

PROPERTY AND EQUIPMENT - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Property, Plant and Equipment [Abstract] |  |
Capitalized general and administrative costs | $ 5.1 | $ 4.7

X
- Definition General and administrative costs capitalized to the full cost pool. + References No definition available. + Details
Name: | gpor_CapitalizedGeneralAndAdministrativeCosts
Namespace Prefix: | gpor_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration