XML 114 R96.htm IDEA: XBRL DOCUMENT
v3.22.0.1

COMMITMENTS - Schedule of Firm Sales Contracted with Third Parties (Details) | Dec. 31, 2021 MMBTU
--- | ---
Commitments and Contingencies Disclosure [Abstract] |
2021 (MMBtu per day) | 4,000

X
- Definition Supply Commitment, Due in Next Twelve Months + References No definition available. + Details
Name: | gpor_SupplyCommitmentDueinNextTwelveMonths
Namespace Prefix: | gpor_
Data Type: | dtr-types:energyItemType
Balance Type: | na
Period Type: | instant

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