XML 38 R27.htm IDEA: XBRL DOCUMENT
v3.25.2

PROPERTY AND EQUIPMENT (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2025
Property, Plant and Equipment [Abstract] |
Schedule of Property and Equipment | The major categories of property and equipment and related accumulated DD&A are as follows (in thousands):
| June 30, 2025 |  | December 31, 2024
Proved oil and natural gas properties | $ | 3,669,584 |  |  | $ | 3,349,805 |
Unproved properties | 211,626 |  |  | 221,650 |
Other depreciable property and equipment | 11,892 |  |  | 10,905 |
Land | 386 |  |  | 386 |
Total property and equipment | 3,893,488 |  |  | 3,582,746 |
Accumulated DD&A | (1,703,691) |  |  | (1,564,475) |
Property and equipment, net | $ | 2,189,797 |  |  | $ | 2,018,271 |
Schedule of Non-Producing Properties Excluded from Amortization by Area | The following table summarizes the Company’s non-producing properties excluded from amortization by area (in thousands):
| June 30, 2025 |  | December 31, 2024
Utica & Marcellus | $ | 188,190 |  |  | $ | 197,513 |
SCOOP | 23,436 |  |  | 24,137 |
Total unproved properties | $ | 211,626 |  |  | $ | 221,650 |
Schedule of Asset Retirement Obligation | The following table provides a reconciliation of the Company’s asset retirement obligation for the six months ended June 30, 2025 and 2024 (in thousands):
| Six Months Ended June 30, 2025 |  | Six Months Ended June 30, 2024
Asset retirement obligation, beginning of period | $ | 32,949 |  |  | $ | 29,941 |
Liabilities incurred | 222 |  |  | 375 |
Liabilities settled | (1,673) |  |  | — |
Accretion expense | 1,205 |  |  | 1,122 |
Total asset retirement obligation, end of period | $ | 32,703 |  |  | $ | 31,438 |

X
- Definition Schedule Of Property And Equipment + References No definition available. + Details
Name: | gpor_ScheduleOfPropertyAndEquipmentTableTextBlock
Namespace Prefix: | gpor_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
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

X
- Definition Tabular disclosure of the carrying amount of a liability for asset retirement obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 410 -SubTopic 20 -Name Accounting Standards Codification -Paragraph 1 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481850/410-20-50-1 + Details
Name: | us-gaap_ScheduleOfAssetRetirementObligationsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the capitalized costs of unproved properties and major development projects that are excluded from capitalized costs being amortized. This includes the total costs excluded and, at a minimum, these categories of costs: acquisition costs, exploration costs, development costs in the case of significant development projects, and capitalized interest. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 932 -SubTopic 360 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477385/932-360-S50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 932 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-10(c)(7)(ii)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479664/932-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 932 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-10(c)(7)(ii)(B)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479664/932-10-S99-1 + Details
Name: | us-gaap_ScheduleOfCapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration