XML 66 R55.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

DERIVATIVE INSTRUMENTS - Narrative (Details) | 3 Months Ended
--- | ---
Mar. 31, 2024 counterparty
Derivative [Line Items] |
Number of counterparties | 12
Minimum |
Derivative [Line Items] |
Derivative, percentage of forecasted annual production | 30.00%
Derivative, term of contract | 12 months
Maximum |
Derivative [Line Items] |
Derivative, percentage of forecasted annual production | 70.00%
Derivative, term of contract | 36 months

X
- Definition Derivative Instruments, Number Of Counterparties + References No definition available. + Details
Name: | gpor_DerivativeInstrumentsNumberOfCounterparties
Namespace Prefix: | gpor_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Derivative, Percentage Of Forecasted Annual Production + References No definition available. + Details
Name: | gpor_DerivativePercentageOfForecastedAnnualProduction
Namespace Prefix: | gpor_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480237/815-40-50-5 + Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DerivativeTermOfContract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |