 | us-gaap:PostconfirmationAccountsPayable | dep-concept-deprecatedConcept | http://fasb.org/us-gaap/role/deprecated/deprecated |
 | us-gaap:FreshStartAdjustmentIncreaseDecreaseAccountsPayable | dep-dimensionallyQualifiedConcept-deprecatedConcept | http://fasb.org/us-gaap/role/deprecated/deprecated |
 | us-gaap:PreconfirmationAccountsPayable | dep-dimensionallyQualifiedConcept-deprecatedConcept | http://fasb.org/us-gaap/role/deprecated/deprecated |
 | us-gaap:AccountsPayableTradeCurrent | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified |
 | us-gaap:AccountsPayableInterestBearingCurrent | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified |
 | us-gaap:ConstructionPayableCurrent | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified |
 | us-gaap:OilAndGasSalesPayableCurrent | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified |
 | us-gaap:GasPurchasePayableCurrent | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified |
 | us-gaap:EnergyMarketingAccountsPayable | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified |
 | us-gaap:GasImbalancePayableCurrent | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified |
 | us-gaap:AccountsPayableUnderwritersPromotersAndEmployeesOtherThanSalariesAndWagesCurrent | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified |
 | us-gaap:AccountsPayableOtherCurrent | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassified |