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Commitments and Contingencies (Details) (USD $)
In Thousands, unless otherwise specified |
0 Months Ended | ||||
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Nov. 01, 2012
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Mar. 13, 2015
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Mar. 11, 1997
well
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Mar. 31, 2015
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Dec. 31, 2014
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| Commitments [Line Items] | |||||
| Plugging And Abandonment Escrow Account | $ 3,089gpor_PluggingAndAbandonmentEscrowAccount | $ 3,097gpor_PluggingAndAbandonmentEscrowAccount | |||
| Employment Agreement, Term | 3 years | ||||
| Employment Agreement, Subsequent Extension | 1 year | ||||
| Employment Agreement, Notice Period Allowed For Termination | 90 days | ||||
| Other Commitment | 183,540us-gaap_OtherCommitment | ||||
| Chief Executive Officer [Member] | |||||
| Commitments [Line Items] | |||||
| Other Commitment |
400us-gaap_OtherCommitment / us-gaap_TitleOfIndividualAxis = us-gaap_ChiefExecutiveOfficerMember |
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| Chief Operating Officer [Member] | |||||
| Commitments [Line Items] | |||||
| Employment Agreement, Term | 2 years | ||||
| Chief Financial Officer [Member] | |||||
| Commitments [Line Items] | |||||
| Employment Agreement, Term | 3 years | ||||
| Management [Member] | |||||
| Commitments [Line Items] | |||||
| Other Commitment |
2,000us-gaap_OtherCommitment / us-gaap_TitleOfIndividualAxis = us-gaap_ManagementMember |
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| WCBB [Member] | |||||
| Commitments [Line Items] | |||||
| Purchasing Remaining Percent Interest In Oil And Gas Property |
50.00%gpor_PurchasingRemainingPercentInterestInOilAndGasProperty / us-gaap_BusinessAcquisitionAxis = gpor_WcbbMember |
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| Payments Held For Restricted Cash |
$ 18gpor_PaymentsHeldForRestrictedCash / us-gaap_BusinessAcquisitionAxis = gpor_WcbbMember |
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| Significant Plugging Commitment Minimum Number Of Wells To Be Plugged |
20gpor_SignificantPluggingCommitmentMinimumNumberOfWellsToBePlugged / us-gaap_BusinessAcquisitionAxis = gpor_WcbbMember |
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| Tenure Of Minimum Wells To Be Plugged | 20 years | ||||
| Number Of Wells Plugged |
463gpor_NumberOfWellsPlugged / us-gaap_BusinessAcquisitionAxis = gpor_WcbbMember |
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- Definition
Employment Agreement, Notice Period Allowed For Termination No definition available.
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Employment Agreement, Subsequent Extension No definition available.
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| X | ||||||||||
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Employment Agreement, Term No definition available.
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Number Of Wells Plugged No definition available.
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payments to plugging and abandonment escrow account. No definition available.
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Plugging And Abandonment Escrow Account No definition available.
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Purchasing remaining percent interest in oil and gas property. No definition available.
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Minimum number of wells required to be plugged annually. No definition available.
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Tenure of minimum wells to be plugged No definition available.
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- Definition
Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. No definition available.
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