XML 55 R41.htm IDEA: XBRL DOCUMENT
v3.21.2

CHAPTER 11 EMERGENCE (Details) - USD ($) | May 17, 2021 | Jun. 30, 2021
--- | --- | ---
Debt Instrument [Line Items] |  |
Debtor-in-possession financing, amount arranged |  | $ 105,000,000
Holder Of A Class 4A Claim greater Than The Convenience Claim Threshold |  |
Debt Instrument [Line Items] |  |
Cash received by holders of an allowed general unsecured claim | $ 10,000,000 |
Percentage of the equity method investment received | 100.00% |
Hold Of A Convenience Class Claim |  |
Debt Instrument [Line Items] |  |
Cash distribution pool | $ 3,000,000 |
Increase in additional cash distribution pool | 2,000,000 |
Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Debtor-in-possession financing, amount arranged | 580,000,000 |
Exit Facility | Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Debtor-in-possession financing, amount arranged | 1,500,000,000 |
First-Out Term Loan | Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Debtor-in-possession financing, amount arranged | 180,000,000 |
8.000% senior unsecured notes due 2026 | Senior Notes |  |
Debt Instrument [Line Items] |  |
Debtor-in-possession financing, amount arranged | $ 550,000,000 |
Interest rate | 8.00% |
Common Stock |  |
Debt Instrument [Line Items] |  |
Plan of reorganization, number of shares issued (in shares) | 19,845,780 |
Common Stock | Holder Of An Allowed Notes Claim |  |
Debt Instrument [Line Items] |  |
Plan of reorganization, number of shares issued (in shares) | 19,714,204 |
Common Stock | Disputed Claims Reserve |  |
Debt Instrument [Line Items] |  |
Plan of reorganization, number of shares issued (in shares) | 1,678,755 |
Common Stock | Holder Of A Class 4A Claim greater Than The Convenience Claim Threshold |  |
Debt Instrument [Line Items] |  |
Plan of reorganization, number of shares issued (in shares) | 119,679 |
Common Stock | Holder Of A Class 4B Claim Greater Than The Convenience Claim Threshold |  |
Debt Instrument [Line Items] |  |
Plan of reorganization, number of shares issued (in shares) | 11,897 |
Common Stock | Gulfport Employees And Non-Employee Directors |  |
Debt Instrument [Line Items] |  |
Plan of reorganization, number of shares issued (in shares) | 2,828,123 |
Preferred Stock |  |
Debt Instrument [Line Items] |  |
Plan of reorganization, number of shares issued (in shares) | 55,000 |
Preferred Stock | Holder Of An Allowed Notes Claim |  |
Debt Instrument [Line Items] |  |
Plan of reorganization, number of shares issued (in shares) | 54,967 |
Preferred Stock | Holder Of A Class 4B Claim Greater Than The Convenience Claim Threshold |  |
Debt Instrument [Line Items] |  |
Plan of reorganization, number of shares issued (in shares) | 33 |
Preferred Stock | Holders Of Claims Against Predecessor Subsidiaries |  |
Debt Instrument [Line Items] |  |
Plan of reorganization, number of shares issued (in shares) | 50,000 |
Plan of reorganization, price (in USD per share) | $ 1,000 |
Plan of reorganization, proceeds from issuance of shares | $ 50,000,000 |
Preferred Stock | Back Stop Commitment Counterparties |  |
Debt Instrument [Line Items] |  |
Plan of reorganization, number of shares issued (in shares) | 5,000 |

X
- Definition Plan Of Reorganization, Cash Distribution Pool + References No definition available. + Details
Name: | gpor_PlanOfReorganizationCashDistributionPool
Namespace Prefix: | gpor_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Plan Of Reorganization, Holders Of An Allowed General Unsecured Claim, Cash Received + References No definition available. + Details
Name: | gpor_PlanOfReorganizationHoldersOfAnAllowedGeneralUnsecuredClaimCashReceived
Namespace Prefix: | gpor_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Plan Of Reorganization, Holders Of An Allowed General Unsecured Claim, Equity Method Investment Percentage Received + References No definition available. + Details
Name: | gpor_PlanOfReorganizationHoldersOfAnAllowedGeneralUnsecuredClaimEquityMethodInvestmentPercentageReceived
Namespace Prefix: | gpor_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Plan Of Reorganization, Increase In Cash Distribution Pool + References No definition available. + Details
Name: | gpor_PlanOfReorganizationIncreaseInCashDistributionPool
Namespace Prefix: | gpor_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Plan Of Reorganization, Number Of Shares Issued + References No definition available. + Details
Name: | gpor_PlanOfReorganizationNumberOfSharesIssued
Namespace Prefix: | gpor_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Plan of Reorganization, Price Per Share + References No definition available. + Details
Name: | gpor_PlanOfReorganizationPricePerShare
Namespace Prefix: | gpor_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Plan of Reorganization, Proceeds from Issuance of Shares + References No definition available. + Details
Name: | gpor_PlanOfReorganizationProceedsFromIssuanceOfShares
Namespace Prefix: | gpor_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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 No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount debtor-in-possession financing arranged (but not necessarily all borrowed). + References No definition available. + Details
Name: | us-gaap_DebtorInPossessionFinancingAmountArranged
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Interest rate on outstanding borrowings under debtor-in-possession financing arrangement. + References No definition available. + Details
Name: | us-gaap_DebtorInPossessionFinancingInterestRateOnBorrowingsOutstanding
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | gpor_DebtorInPossessionTypeAxis=gpor_HolderOfAClass4AClaimGreaterThanTheConvenienceClaimThresholdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | gpor_DebtorInPossessionTypeAxis=gpor_HoldOfAConvenienceClassClaimMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=gpor_ExitFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=gpor_FirstOutTermLoanFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=gpor_A80SeniorUnsecuredNotesDue2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | gpor_DebtorInPossessionTypeAxis=gpor_HolderOfAnAllowedNotesClaimMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | gpor_DebtorInPossessionTypeAxis=gpor_DisputedClaimsReserveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | gpor_DebtorInPossessionTypeAxis=gpor_HolderOfAClass4BClaimGreaterThanTheConvenienceClaimThresholdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | gpor_DebtorInPossessionTypeAxis=gpor_GulfportEmployeesAndNonEmployeeDirectorsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_PreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | gpor_DebtorInPossessionTypeAxis=gpor_HoldersOfClaimsAgainstPredecessorSubsidiariesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | gpor_DebtorInPossessionTypeAxis=gpor_BackStopCommitmentCounterpartiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |