TALO


Line plots across dimensions of each concept
Line plots across concepts
Tables

Table of contents



us-gaap:CommonStockValue

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:CostsAndExpenses

us-gaap:GainsLossesOnExtinguishmentOfDebt
us-gaap:DebtInstrument, us-gaap:IncomeStatementLocation, us-gaap:LongtermDebtType

us-gaap:GeneralAndAdministrativeExpense

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestExpense

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:OperatingIncomeLoss

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss
us-gaap:ProductOrService
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:Revenues

us-gaap:Assets

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:AccountsReceivableNetCurrent

us-gaap:OtherAssetsCurrent

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherLiabilitiesCurrent
us-gaap:CreditFacility
us-gaap:LongTermDebt
us-gaap:DebtInstrument

us-gaap:LongTermDebtNoncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ProfitLoss

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities
us-gaap:BusinessAcquisition, us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateStatedPercentage
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:IncomeTaxAuthority

talo:AdjustmentsToEquitySharebasedCompensationArrangementCompensationCostNetOfTaxWithholdingsAndParValueForStockIssuedUponVesting
us-gaap:StatementEquityComponents

talo:DepreciationDepletionAmortizationAndAccretionExpense

talo:FairValueOfAssetRetirementObligationsAcquired
us-gaap:BusinessAcquisition
talo:FairValueOfAssetRetirementObligationsAssumed

talo:FairValueOfAssetRetirementObligationsDivested

talo:ImpairmentOfOilAndGasPropertiesAndOtherWellEquipment
us-gaap:StatementScenario, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
talo:MaximumPercentageOfPrincipalAmountOptionToRedeem

talo:NetCashReceivedPaidFromPriceRiskManagementActivity

talo:OtherDeferredPayments

talo:PaymentsForProceedsFromSettledDerivativeInstrumentsOperatingActivities
us-gaap:PropertyPlantAndEquipmentByType
talo:ProductionTaxExpenseBenefit

talo:RepaymentsOfSeniorNotesAndOtherLongTermDebt

talo:StockIssuedDuringPeriodCommonStockValueNewIssues
us-gaap:StatementEquityComponents
us-gaap:StatementGeographical
talo:UnweightedAverageFirstDayOfMonthCommodityPriceForCrudeOilForPriorTwelveMonths
us-gaap:StatementGeographical
talo:UnweightedAverageFirstDayOfMonthCommodityPriceForNaturalGasForPriorTwelveMonths
us-gaap:StatementGeographical
talo:UnweightedAverageFirstDayOfMonthCommodityPriceForNaturalGasLiquidsForPriorTwelveMonths

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AssetRetirementObligationAccretionExpense

us-gaap:AssetRetirementObligationCashPaidToSettle

us-gaap:AssetRetirementObligationLiabilitiesIncurred

us-gaap:AssetRetirementObligationLiabilitiesSettled

us-gaap:AssetRetirementObligationRevisionOfEstimate
us-gaap:BusinessCombinationSeparatelyRecognizedTransactions
us-gaap:BusinessAcquisitionProFormaEarningsPerShareBasic
us-gaap:BusinessCombinationSeparatelyRecognizedTransactions
us-gaap:BusinessAcquisitionProFormaEarningsPerShareDiluted
us-gaap:BusinessCombinationSeparatelyRecognizedTransactions
us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss
us-gaap:BusinessCombinationSeparatelyRecognizedTransactions
us-gaap:BusinessAcquisitionsProFormaRevenue
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationAcquisitionRelatedCosts
us-gaap:BusinessCombinationSeparatelyRecognizedTransactions
us-gaap:BusinessCombinationSeparatelyRecognizedTransactions, us-gaap:IncomeStatementLocation
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferred1
us-gaap:BusinessCombinationSeparatelyRecognizedTransactions
us-gaap:BusinessAcquisition, us-gaap:EquityInterestIssuedOrIssuableByType
us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable
us-gaap:BusinessCombinationSeparatelyRecognizedTransactions
us-gaap:BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual
us-gaap:BusinessCombinationSeparatelyRecognizedTransactions
us-gaap:BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual

us-gaap:CapitalExpendituresIncurredButNotYetPaid
us-gaap:DebtInstrument
us-gaap:DebtInstrumentRedemptionPricePercentage
us-gaap:Range, us-gaap:DebtInstrument
us-gaap:Range, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:StatementScenario, us-gaap:DebtInstrument, us-gaap:LongtermDebtType
dei:EntityListingsExchange, us-gaap:Energy, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument
us-gaap:DerivativeNonmonetaryNotionalAmountEnergyMeasure
us-gaap:Energy, us-gaap:StatementGeographical, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument
us-gaap:DerivativeNonmonetaryNotionalAmountVolume

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount
us-gaap:TypeOfArrangement
us-gaap:ExpenseRelatedToDistributionOrServicingAndUnderwritingFees

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseInterestPaymentOnLiability

us-gaap:FinanceLeasePrincipalPayments

us-gaap:GainLossFromPriceRiskManagementActivity
us-gaap:DerivativeInstrumentRisk

us-gaap:GainLossOnDispositionOfAssets1

us-gaap:GainLossOnSaleOfDerivatives
us-gaap:DerivativeInstrumentRisk

us-gaap:ImpairmentOfOilAndGasProperties
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

us-gaap:IncreaseDecreaseInOtherCurrentAssets

us-gaap:IncreaseDecreaseInOtherCurrentLiabilities

us-gaap:IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet

us-gaap:LeaseCost

us-gaap:LegalFees
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:LineOfCreditFacilityIncreaseDecreaseForPeriodNet

us-gaap:OperatingLeaseCost
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeasePayments

us-gaap:OtherOperatingIncomeExpenseNet

us-gaap:PaymentsOfFinancingCosts

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:BusinessAcquisition
us-gaap:PaymentsToAcquireBusinessesGross
us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired
us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

us-gaap:PaymentsToExploreAndDevelopOilAndGasProperties

us-gaap:ProceedsFromBankDebt
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:ProceedsFromIssuanceOfDebt

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt

us-gaap:ProceedsFromSaleOfOilAndGasPropertyAndEquipment

us-gaap:ProductionTaxExpense
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:RepaymentsOfBankDebt
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:RepaymentsOfLinesOfCredit

us-gaap:ResultsOfOperationsProductionOrLiftingCosts
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardDate, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
us-gaap:AwardDate, us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1

us-gaap:ShortTermLeaseCost
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities

us-gaap:UnrealizedGainLossOnDerivatives
us-gaap:DerivativeInstrumentRisk

us-gaap:VariableLeaseCost

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows

srt:ProvedDevelopedAndUndevelopedReserveNetEnergy
us-gaap:ReserveQuantitiesByTypeOfReserve
us-gaap:ReserveQuantitiesByTypeOfReserve
srt:ProvedDevelopedAndUndevelopedReservesNet
us-gaap:ReserveQuantitiesByTypeOfReserve
srt:ProvedDevelopedReservesBOE1
us-gaap:ReserveQuantitiesByTypeOfReserve
srt:ProvedDevelopedReservesVolume
us-gaap:ReserveQuantitiesByTypeOfReserve
srt:ProvedUndevelopedReserveBOE1
us-gaap:ReserveQuantitiesByTypeOfReserve
srt:ProvedUndevelopedReserveVolume

srt:StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves
us-gaap:BusinessAcquisition
talo:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAssetRetirementObligation
us-gaap:BusinessCombinationSeparatelyRecognizedTransactions
us-gaap:FinancialInstrument
talo:CarryingAmountNetAssetLiability
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
talo:DebtInstrumentAdditionalPrincipalAmountIssued
us-gaap:DebtInstrument
talo:DebtInstrumentMaximumBorrowings
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:DebtInstrument
talo:DebtInstrumentSpringPrincipalAmount

talo:DeferredTaxAssetsAssetRetirementObligations

talo:DeferredTaxAssetsOperatingLeaseLiabilities

talo:DeferredTaxAssetsOtherWellEquipmentInventory

talo:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedBonus

talo:DeferredTaxLiabilitiesOperatingLeaseAssets
dei:EntityListingsExchange, us-gaap:Energy, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument
talo:DerivativeWeightedAverageStrikePriceCallOptions
us-gaap:Energy, us-gaap:StatementGeographical, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument
dei:EntityListingsExchange, us-gaap:Energy, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument
talo:DerivativeWeightedAverageStrikePricePutOptions
us-gaap:Energy, us-gaap:StatementGeographical, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument

talo:FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlowsAfterIncomeTaxes

talo:FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlowsBeforeIncomeTaxes

talo:IncomeTaxRefundClaims

talo:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour
us-gaap:BusinessCombinationSeparatelyRecognizedTransactions, us-gaap:DebtInstrument
talo:LineOfCreditFacilityLenderApprovalForAccessCapacityReductionAmount
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
talo:LineOfCreditReductionToBorrowingBase
us-gaap:RelatedPartyTransactionsByRelatedParty
talo:PercentageOfVotingPowerHeldBySponsorsMinimum
us-gaap:LossContingenciesByNatureOfContingency
talo:Suretyperformancebondsoutstanding

us-gaap:AccountsAndOtherReceivablesNetCurrent

us-gaap:AccruedProfessionalFeesCurrent
us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:AccruedRoyaltiesCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AssetRetirementObligation

us-gaap:AssetRetirementObligationCurrent

us-gaap:AssetRetirementObligationsNoncurrent
us-gaap:BusinessCombinationSeparatelyRecognizedTransactions
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets
us-gaap:StatementScenario, us-gaap:BusinessCombinationSeparatelyRecognizedTransactions
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:BusinessCombinationSeparatelyRecognizedTransactions
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
us-gaap:CounterpartyName, us-gaap:BusinessAcquisition, us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:BusinessCombinationSeparatelyRecognizedTransactions
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities
us-gaap:StatementScenario, us-gaap:BusinessCombinationSeparatelyRecognizedTransactions
us-gaap:BusinessCombinationSeparatelyRecognizedTransactions
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther
us-gaap:StatementScenario, us-gaap:BusinessCombinationSeparatelyRecognizedTransactions
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
us-gaap:BusinessCombinationSeparatelyRecognizedTransactions
us-gaap:StatementScenario, us-gaap:BusinessCombinationSeparatelyRecognizedTransactions
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

us-gaap:CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities

us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationCumulative

us-gaap:CapitalizedCostsOilAndGasProducingActivitiesGross

us-gaap:CapitalizedCostsOilAndGasProducingActivitiesNet

us-gaap:CapitalizedCostsProvedProperties

us-gaap:CapitalizedCostsUnprovedProperties
us-gaap:StatementGeographical

us-gaap:CapitalizedCostsWellsAndRelatedEquipmentAndFacilities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:ContractualObligation
us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased
us-gaap:StatementGeographical, us-gaap:TypeOfArrangement

us-gaap:ContractualObligationDueInNextTwelveMonths
us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased

us-gaap:DebtInstrumentCarryingAmount
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:BusinessAcquisition, us-gaap:DebtInstrument
us-gaap:DebtInstrumentFaceAmount
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentRepurchaseAmount

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DebtLongtermAndShorttermCombinedAmount
us-gaap:DebtInstrument
us-gaap:DebtWeightedAverageInterestRate

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsDerivativeInstruments

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsDomestic

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsForeign

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts

us-gaap:DeferredTaxLiabilitiesPrepaidExpenses

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:DerivativeAssets
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

us-gaap:DerivativeAssetsCurrent
us-gaap:FinancialInstrument

us-gaap:DerivativeAssetsNoncurrent
us-gaap:FinancialInstrument
dei:EntityListingsExchange, us-gaap:Energy, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument
us-gaap:DerivativeCapPrice
us-gaap:Energy, us-gaap:StatementGeographical, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument
dei:EntityListingsExchange, us-gaap:Energy, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument
us-gaap:DerivativeFloorPrice
us-gaap:Energy, us-gaap:StatementGeographical, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:DerivativeLiabilities
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

us-gaap:DerivativeLiabilitiesCurrent
us-gaap:FinancialInstrument

us-gaap:DerivativeLiabilitiesNoncurrent
us-gaap:FinancialInstrument
dei:EntityListingsExchange, us-gaap:Energy, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument
us-gaap:DerivativeSwapTypeAverageVariablePrice
us-gaap:Energy, us-gaap:StatementGeographical, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument
dei:EntityListingsExchange, us-gaap:Energy, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument
us-gaap:DerivativeSwapTypeFixedPrice
us-gaap:Energy, us-gaap:StatementGeographical, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument
us-gaap:AwardDate, us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:AwardType
us-gaap:PlanName, us-gaap:StatementClassOfStock
us-gaap:TitleOfIndividual, us-gaap:AwardType, us-gaap:PlanName
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueNetAssetLiability
us-gaap:FairValueByMeasurementFrequency
us-gaap:FinancialInstrument

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FinancingReceivableAllowanceForCreditLosses

us-gaap:InterestPayableCurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:LettersOfCreditOutstandingAmount
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:DebtInstrument
us-gaap:LineOfCredit
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:CreditFacility
us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:BusinessCombinationSeparatelyRecognizedTransactions, us-gaap:DebtInstrument
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:DebtInstrument
us-gaap:CreditFacility
us-gaap:LongTermDebtFairValue
us-gaap:DebtInstrument

us-gaap:OilAndGasJointInterestBillingReceivablesCurrent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards
us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName
us-gaap:IncomeTaxAuthority, us-gaap:TaxPeriod

us-gaap:OperatingLossCarryforwardsValuationAllowance

us-gaap:PrepaidExpenseCurrent

us-gaap:PropertyPlantAndEquipmentOther
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested

Plots across concepts


IncomeStatement
Net Income Loss
Expenses
Income Tax Expense Benefit
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Operating Lease Right Of Use Asset
Current Assets
Other Assets Current
NonCurrent Assets
Operating Lease Right Of Use Asset
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Operating Lease Liability
Current Liabilities
Operating Lease Liability Current
Noncurrent Liabilities
Operating Lease Liability Noncurrent
Stockholders Equity
Retained Earnings Accumulated Deficit
CashFlow
Net Income Loss
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
Shares
Weighted Average Number Of Diluted Shares Outstanding
OperatingLeaseLiability
Operating Lease Liability Current
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:CommonStockValue ███▆▅▄▁▁▁▁▁▁▁0.8190.8170.8130.730.6840.6520.5420.5420.5420.5420.5420.5420.542NA0.312NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ██▇▇▆▅▄▄▄▄▄▄▃▁▁▁▁▁81.82381.43575.19971.28665.80758.57254.55954.4354.45154.15654.15954.16444.33631.24431.24431.24431.24431.244
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ██▇▇▆▅▄▄▄▄▄▄▃▁▁▁▁▁81.82381.43575.19971.28665.80758.2454.20354.254.17854.15654.15654.15644.33631.24431.24431.24431.24431.244
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount ▁█0.8692.949NA5.4075.1064.358NA4.253.8574.762NA3.5383.5513.528NANANANA
us-gaap:EarningsPerShareBasic ▄▄▁▄▃▆▅▅▆▃█▅▃▄▃▄▅▅-1.54-1.49-5.73-0.73-2.142.710.011.351.75-2.025.660.24-1.69-0.73-2.74-1.160.791.1
us-gaap:EarningsPerShareDiluted ▄▄▁▄▃▆▅▅▆▃█▅▃▄▃▄▅▅-1.54-1.49-5.73-0.73-2.142.690.011.351.74-2.025.660.24-1.69-0.73-2.74-1.160.791.1
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 TTM Greenblatt ROC _ _█▇▁▆▅▆▇▇█▇██▇▇▇93.34464.627-285.436-37.059-94.603-4.21246.9752.88394.87218.36973.97391.36139.21148.58418.37NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:AllocatedShareBasedCompensationExpense █▇▆▆▆▅▅▅▆▄▂▃▄▂▁▂3.0172.6642.3482.3472.3471.6271.81.9442.01.30.3931.01.50.30.0750.3NANA
us-gaap:CostsAndExpenses ▃▃█▃▃▃▃▃▃▂▃▃▂▁▁▁▁210.424203.281461.147172.196183.477191.976186.27175.974191.938160.344184.691191.507164.69597.26697.24686.63389.112NA
us-gaap:GainsLossesOnExtinguishmentOfDebt █▁██0.0-13.2250.0180.174NANANANANANANANANANANANANANA
us-gaap:GeneralAndAdministrativeExpense ▅▅▄▄▄▇▆▄▄▄▆▅█▁▂▂▁19.37719.18916.69117.82317.19227.46923.41417.32118.86517.60924.69621.6630.888.589.7949.6637.47NA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▄▄▁▄▃▇▄▆▆▄█▅▄▅▄▄▅-125.284-120.907-372.776-80.252-190.003213.009-36.26574.087100.761-115.995309.20813.109-74.912-22.943-85.76-36.17724.607NA
us-gaap:IncomeTaxExpenseBenefit ▄▄█▂▁█▂▄▅▄0.4980.58457.967-28.252-49.39255.26-36.5690.795.997-6.359NANANANANANANANA
us-gaap:InterestExpense ██▃▃▄▄▃▃▄▄▃▃▂▁▁▂▂33.5734.07623.25124.12426.1925.8524.57423.12324.93225.21823.85724.83721.67819.74219.89321.46420.805NA
us-gaap:InterestPaidNet ▁▄▇▂█▁▇▁▇▁▇▁▄▃▄▂5.29413.71226.2557.02529.2574.90626.564.59826.7994.61426.1693.67213.210.43513.7658.824NANA
us-gaap:NetIncomeLoss ▄▄▁▅▄▇▅▆▆▄█▅▄▅▄▅▅▅-125.782-121.491-430.743-52.0-140.611157.7490.30473.29794.764-109.636306.28613.109-74.912-22.943-85.76-36.17724.60734.462
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▄▄▁▅▄▇▅▆▆▄█▅▄▅-125.782-121.491-430.743-52.0-140.611157.7490.30473.29794.764-109.636306.28613.109-74.912-22.943NANANANA
us-gaap:OperatingIncomeLoss █▇▁▆▅▆▇▇█▇██▇▇▇▆▆▆93.34464.627-285.436-37.059-94.603-4.21246.9752.88394.87218.36973.97391.36139.21148.58418.3713.3296.3147.287
us-gaap:OtherNonoperatingIncomeExpense ▇▁█▇▇▇▇▇▇▇█▇▆▇▇▇▇1.559-13.952.8790.813-0.528-0.1460.8470.5670.8310.4332.175-0.085-1.2690.1910.1280.0440.103NA
us-gaap:ProfitLoss ▄▄▁▅▄▇▅▆▆▄█▅▄▅-125.782-121.491-430.743-52.0-140.611157.7490.30473.29794.764-109.636306.28613.109-74.912-22.943NANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService srt:NaturalGasLiquidsReserves9.647NANANA1.964NANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService us-gaap:NaturalGasGatheringTransportationMarketingAndProcessingNA9.1135.763.4091.9644.3014.5733.3846.6455.0668.55714.5757.2975.4345.2994.293.436NA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService us-gaap:NaturalGasProduction▇█▄▁▁▁▂▂▂▂▆▅▃▂▁▁▂26.13128.23418.33912.33711.1411.89813.5412.54514.74614.44724.24620.19316.44812.72311.64711.17712.888NA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService us-gaap:OilAndCondensate█▇▄▃▁▄▆▆█▄▆▇▅▃▂▁▁267.99229.561148.503117.1974.471166.624208.632211.899256.908155.679225.861248.1180.161127.69398.26284.03278.719NA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService us-gaap:ProductAndServiceOther▁▂▄▃▂▅▆▂█▄0.01.03.1092.2011.2994.9416.4951.0298.5113.521NANANANA0.4080.4630.383NA
us-gaap:Revenues █▇▄▃▁▄▆▆▇▄▇▇▅▃▂▁▁▁303.768267.908175.711135.13788.874187.764233.24228.857286.81178.713258.664282.868203.906145.85115.61699.96295.426101.824
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:Assets ▅▅▅███▃▃▃▂▂▂▁2852.1652839.6942834.5463172.2813174.6483238.1872589.4822611.8852592.0352439.9392479.9862357.1472284.069NA1239.293NANANA
us-gaap:Liabilities █▇▅▅▅▅▁▂▂▂▁▃▂2165.7442032.541907.9451890.0051880.0951843.291511.2051537.0611593.9941539.9531472.491657.3831598.224NA1293.38NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▅▅▅███▃▃▃▂▂▂▁2852.1652839.6942834.5463172.2813174.6483238.1872589.4822611.8852592.0352439.9392479.9862357.1472284.069NA1239.293NANANA
us-gaap:StockholdersEquity ▅▅▆▇██▆▆▆▆▆▅▅▁▁686.421807.154926.6011282.2761294.5531394.8971078.2771074.824998.041899.9861007.496699.764685.845-77.127-54.087NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:AssetsCurrent ▃▂▁▁▄█▂▃▃▁▆▃▂304.216291.999247.392256.441369.708502.301293.984332.754328.266238.649416.846306.544268.732NA144.885NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▃▃▁▁▆▆▅▅▅▂█▅▄65.35464.97934.23332.377107.855106.95287.02290.68289.10545.725139.91489.9278.86NA32.191NANANA
us-gaap:AccountsReceivableNetCurrent █▇▅▁▁▂▅▅▅▃▄▆▄144.763135.415106.2264.94867.04281.027107.842108.354110.50487.193103.025119.019100.824NA62.871NANANA
us-gaap:OtherAssetsCurrent ▁▁▁▁▁▁▁▁▁▂▇█▃1.7421.7611.8591.8021.9822.0461.8361.9522.0853.1127.6448.3423.91NA2.148NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:PropertyPlantAndEquipmentGross ██▇▇▆▆▄▄▃▃▂▁▁5395.0665296.2095233.3975141.7184981.4814847.1164290.6354218.9644118.4013956.4813770.833673.7713545.595NA2521.67NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment █▇▇▅▅▄▄▃▃▂▂▁▁2897.5462798.8852697.2282327.5562247.0092158.5662065.0231967.611879.4861784.1961719.6091635.4641547.656NA1430.89NANANA
us-gaap:PropertyPlantAndEquipmentNet ▅▅▆█▇▇▃▃▃▂▁▁▁2497.522497.3242536.1692814.1622734.4722688.552225.6122251.3542238.9152172.2852051.2212038.3071997.939NA1090.78NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▆▁▂▃▄▅▆█▁▂7.6016.7226.8557.067.3517.597.7798.0826.7326.989NANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▃▃▃█▅▃▆▁▁▂▁▁▂22.50421.45724.25875.68247.2521.77454.3752.6242.77.8732.6952.0598.143NA0.706NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:AccountsPayableCurrent █▄▇█▇▃▄▆█▃▂▁▁111.12872.77104.864110.895104.15158.7571.35795.737115.08662.5551.01937.81438.731NA72.681NANANA
us-gaap:AccruedLiabilitiesCurrent ▄▁▄▅▇▁▃▅▇██▁▃160.602140.552163.379172.741184.992138.271154.816169.152186.354192.322188.65138.456155.902NA87.973NANANA
us-gaap:LiabilitiesCurrent █▄▄▃▃▁▂▃▄▃▂▅▅674.744482.237447.534434.424407.878308.754370.452411.355458.152424.581380.418510.708495.626NA323.467NANANA
us-gaap:LongTermDebtCurrent 6.06NANANANANANANANA0.4480.4430.4390.434NA24.977NANANA
us-gaap:OperatingLeaseLiabilityCurrent █▆▅▄▄▃▃▂▁2.1761.9271.7931.7131.6951.6131.5941.4161.315NANANANANANANANANA
us-gaap:OtherLiabilitiesCurrent █▆▅▅▄▄▃▃▂▂▄▄▁29.27825.19224.15523.10422.07320.91820.1818.99318.1417.28522.07121.34715.541NA15.188NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 us-gaap:LongTermDebt us-gaap:CreditFacility talo:BankCreditFacilityMaturesMayTwoThousandTwentyTwoNA461.577635.873645.106644.339642.531343.05NANANA257.448NANANANANANANA
 us-gaap:LongTermDebt us-gaap:CreditFacility talo:BankCreditFacilityMaturesNovemberTwoThousandTwentyFour392.796NA635.873NANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:DebtInstrument talo:ElevenPercentSecondPrioritySeniorSecuredNotesDueAprilTwoThousandTwentyTwoNANA343.579343.582346.642384.571383.871383.186382.517381.863381.229380.606380.042NANANANANA
 us-gaap:LongTermDebt us-gaap:DebtInstrument talo:TwelvePointZeroZeroPercentSecondPrioritySeniorSecuredNotes583.777NANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:DebtInstrument talo:TwelvePointZeroZeroPercentSecondPrioritySeniorSecuredNotesDueJanuaryTwoThousandTwentySixNA581.728NANANANANANANANANANANANANANANANA
us-gaap:LongTermDebtNoncurrent ▇█▇▇▇█▃▂▂▂▁▁▁976.5731049.365985.512994.748997.0411033.162732.981697.192697.13665.935654.861654.32627.968NA672.581NANANA
us-gaap:OtherLiabilitiesNoncurrent ▁▂▂▂▃▅▄▅▅▆███42.54648.61654.37256.47461.84792.4781.59588.70793.028103.738123.359118.919122.82NA103.559NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▆▆▇███▄▄▁18.3818.01518.55418.99819.22819.13817.23917.24915.637NANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NA4.2394.3024.302NANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NA3.3154.2394.239NANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NA3.2933.3153.315NANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA3.293NANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA12.497NANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:StockholdersEquity ▅▅▆▇██▆▆▆▆▆▅▅▁▁686.421807.154926.6011282.2761294.5531394.8971078.2771074.824998.041899.9861007.496699.764685.845-77.127-54.087NANANA
us-gaap:CommonStockValue ███▆▅▄▁▁▁▁▁▁▁0.8190.8170.8130.730.6840.6520.5420.5420.5420.5420.5420.5420.542NA0.312NANANA
us-gaap:AdditionalPaidInCapitalCommonStock ███▆▆▅▁▁▁▁▁▁▁1666.8871661.841659.81584.8151545.1381504.9031346.1421342.9931339.5071336.2161334.091324.2691323.604NA489.87NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▁▂▃▆▇█▇▇▆▅▆▄▄-981.285-855.503-734.012-303.269-251.269-110.658-268.407-268.711-342.008-436.772-327.136-625.047-638.301NA-544.269NANANA
us-gaap:StockIssuedDuringPeriodValueNewIssues NANA0.00.00.0156.2NANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapitalNANA0.00.00.0156.199NANANANANANANANANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:PreferredStockNANA0.00.00.00.001NANANANANANANANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue NA4.1944.3274.3664.3883.3813.1563.5293.5742.1261.4460.813.920.228NANANANA
 us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapitalNA4.1884.3274.3664.3863.3813.1563.5293.5742.1265.7390.813.920.228NANANANA
 us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents us-gaap:CommonStockNA0.0060.00.00.002NANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▇▃▁▃▄▆▃█▇▁▆▁▃▁▂▁132.13866.95639.85670.45581.38110.23261.32149.792141.49941.122119.75836.57667.46639.64551.62139.169NANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▅▅▄▅▁▅▄▄▄▅▅█▅▅▅-53.896-72.737-93.752-133.558-74.911-376.683-95.489-143.319-121.836-135.312-66.565-47.973182.045-30.012-63.441-29.421NANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▄▅▄▄█▄▄▄▄▄▄▁▃▄▄-77.86736.52755.752-12.375-5.566286.38130.509-4.89622.4650.005-3.19622.458-183.949-28.524-3.359-3.183NANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▆▇▆▂▆▇▅▆█▁█0.37530.7461.856-75.4780.90319.93-3.661.57742.128-94.18549.997NANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:DepreciationDepletionAndAmortization ███▆▇▇█▇▇▄▆▇▄▂▂▁▁99.841101.657101.81380.54788.44393.54397.41388.12595.80664.58784.14587.80867.72649.0443.51837.74636.157NA
us-gaap:IncreaseDecreaseInAccountsPayable ▆▄▅▆█▃▂▆█▄▅▅▁▃▅▄14.754-10.9783.59610.85531.192-18.547-25.0188.89531.93-8.2845.204-0.903-36.194-16.932-0.714-7.762NANA
us-gaap:IncreaseDecreaseInAccountsReceivable ▃▆█▃▃▅▁▁█▃▃▇▁▃▆▆-4.47517.10832.916-3.435-6.41411.578-20.517-17.38934.423-2.305-3.67423.922-17.1-2.36217.34719.599NANA
us-gaap:NetCashProvidedByUsedInOperatingActivities ▇▃▁▃▄▆▃█▇▁▆▁▃▁▂▁132.13866.95639.85670.45581.38110.23261.32149.792141.49941.122119.75836.57667.46639.64551.62139.169NANA
us-gaap:NetIncomeLoss ▄▄▁▅▄▇▅▆▆▄█▅▄▅▄▅▅▅-125.782-121.491-430.743-52.0-140.611157.7490.30473.29794.764-109.636306.28613.109-74.912-22.943-85.76-36.17724.60734.462
 us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▄▄▁▅▄▇▅▆▆▄█▅▄▅-125.782-121.491-430.743-52.0-140.611157.7490.30473.29794.764-109.636306.28613.109-74.912-22.943NANANANA
us-gaap:ProfitLoss ▄▄▁▅▄▇▅▆▆▄█▅▄▅-125.782-121.491-430.743-52.0-140.611157.7490.30473.29794.764-109.636306.28613.109-74.912-22.943NANANANA
us-gaap:ShareBasedCompensation █▇▆▆▆▅▅▅▅▄▃▂▄▁▁▁3.0172.6642.3482.3472.3471.6271.81.9441.9611.2590.7640.571.4560.1030.1050.275NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▅▅▄▅▁▅▄▄▄▅▅█▅▅▅-53.896-72.737-93.752-133.558-74.911-376.683-95.489-143.319-121.836-135.312-66.565-47.973182.045-30.012-63.441-29.421NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▄▅▄▄█▄▄▄▄▄▄▁▃▄▄-77.86736.52755.752-12.375-5.566286.38130.509-4.89622.4650.005-3.19622.458-183.949-28.524-3.359-3.183NANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:BusinessAcquisition,us-gaap:DebtInstrument talo:StoneEnergyCorporation,talo:ElevenPercentSecondPrioritySeniorSecuredNotesDueAprilTwoThousandTwentyTwoNANA1.1e-051.1e-051.1e-071.1e-071.1e-071.1e-071.1e-071.1e-071.1e-071.1e-071.1e-07NANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:BusinessAcquisition,us-gaap:DebtInstrument talo:StoneEnergyCorporation,talo:SevenPointFiveZeroPercentSeniorNotesDueMayTwoThousandTwentyTwoNANA7.5e-067.5e-067.5e-087.5e-087.5e-08NANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument talo:ElevenPercentSecondPrioritySeniorSecuredNotesDueAprilTwoThousandTwentyTwoNA1.1e-05NANA1.1e-071.1e-071.1e-071.1e-071.1e-071.1e-071.1e-071.1e-071.1e-07NA1.1e-07NANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument talo:SevenPointFiveZeroPercentSeniorNotesDueMayTwoThousandTwentyTwoNA7.5e-06NANA7.5e-087.5e-087.5e-08NANANA7.5e-08NANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument talo:TwelvePointZeroZeroPercentSecondPrioritySeniorSecuredNotesDueJanuaryTwoThousandTwentySixNA1.2e-05NANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType talo:ElevenPercentSecondPrioritySeniorSecuredNotesDueAprilTwoThousandTwentyTwo,us-gaap:SeniorNotes1.1e-05NANANA1.1e-071.1e-071.1e-071.1e-071.1e-071.1e-071.1e-071.1e-071.1e-07NANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument,us-gaap:LongtermDebtType talo:SevenPointFiveZeroPercentSeniorNotesDueMayTwoThousandTwentyTwo,us-gaap:SeniorNotes7.5e-06NANANA7.5e-087.5e-087.5e-08NANANA7.5e-08NANANANANANANA

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.8190.8170.8130.730.6840.6520.5420.5420.5420.5420.5420.5420.5420.312
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value818175716558545454545454443131313131
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value818175716558545454545454443131313131
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value869000.02949000.05407000.05106000.04358000.04250000.03857000.04762000.03538000.03551000.03528000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-1.54-1.49-5.73-0.73-2.142.710.011.351.75-2.025.660.24-1.69-0.73-2.74-1.160.791.1
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-1.54-1.49-5.73-0.73-2.142.690.011.351.74-2.025.660.24-1.69-0.73-2.74-1.160.791.1
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3017000.02664000.02348000.02347000.02347000.01627000.01800000.01944000.02000000.01300000.0393000.01000000.01500000.0300000.075000.0300000.0
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.01.01.31.72.60.90.80.80.70.70.20.40.70.20.10.3

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value21020346117218319118617519116018419116497978689
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues69.375.9262.4127.4206.4102.279.976.966.989.771.467.780.866.784.186.793.4

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.0-13.2250.0180.174
Percentage of GainsLossesOnExtinguishmentOfDebt0.0100.0100.0100.0
Percentage of Revenues0.0-4.90.00.1

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument, us-gaap:IncomeStatementLocation, us-gaap:LongtermDebtType

talo:ElevenPercentSecondPriorityNotesDueAprilTwoThousandTwentyTwo, us-gaap:OtherNonoperatingIncomeExpense, us-gaap:SeniorNotes


Gains
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value-26.4130.00.21.5
Percentage of GainsLossesOnExtinguishmentOfDebt0.0-99.80.0114.90.0
Percentage of Revenues-8.74.90.00.11.7
Percentage of Revenues talo:ElevenPercentSecondPriorityNotesDueAprilTwoThousandTwentyTwo us-gaap:OtherNonoperatingIncomeExpense us-gaap:SeniorNotes0.00.00.00.00.0

General And Administrative Expense

us-gaap:GeneralAndAdministrativeExpense

us-gaap:GeneralAndAdministrativeExpense


General
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value191916171727231718172421308.589.7949.6637.47
Percentage of GeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues6.47.29.513.219.314.610.07.66.69.99.57.715.15.98.59.77.8

Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-125.284-120.907-372.776-80.252-190.003213-36.26574100-115.99530913-74.912-22.943-85.76-36.17724
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-41.2-45.1-212.2-59.4-213.8113.4-15.532.435.1-64.9119.54.6-36.7-15.7-74.2-36.225.8

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.4980.58457-28.252-49.39255-36.5690.795.997-6.359
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.20.233.0-20.9-55.629.4-15.70.32.1-3.6

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value3334232426252423242523242119192120
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues11.112.713.217.929.513.810.510.18.714.19.28.810.613.517.221.521.8

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value5.29413267.025294.906264.598264.614263.6721310138.824
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.75.114.95.232.92.611.42.09.32.610.11.36.57.211.98.8

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-125.782-121.491-430.743-52.0-140.6111570.3047394-109.63630613-74.912-22.943-85.76-36.1772434
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-41.4-45.3-245.1-38.5-158.284.00.132.033.0-61.3118.44.6-36.7-15.7-74.2-36.225.833.8

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-125.782-121.491-430.743-52.0-140.6111570.3047394-109.63630613-74.912-22.943
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-41.4-45.3-245.1-38.5-158.284.00.132.033.0-61.3118.44.6-36.7-15.7
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value9364-285.436-37.059-94.603-4.212465294187391394818136.3147.287
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues30.724.1-162.4-27.4-106.4-2.220.123.133.110.328.632.319.233.315.913.36.67.2

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1559000.0-13950000.02879000.0813000.0-528000.0-146000.0847000.0567000.0831000.0433000.02175000.0-85000.0-1269000.0191000.0128000.044000.0103000.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.5-5.21.60.6-0.6-0.10.40.20.30.20.8-0.0-0.60.10.10.00.1

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-125.782-121.491-430.743-52.0-140.6111570.3047394-109.63630613-74.912-22.943
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-41.4-45.3-245.1-38.5-158.284.00.132.033.0-61.3118.44.6-36.7-15.7

Revenue From Contract With Customer Including Assessed Tax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

srt:NaturalGasLiquidsReserves


Revenue
Period End2021-06-302020-06-30
Value9.6471.964
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0
Percentage of Revenues3.22.2
Percentage of Revenues srt:NaturalGasLiquidsReserves0.00.0

us-gaap:NaturalGasGatheringTransportationMarketingAndProcessing


Revenue
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value9.1135.763.4091.9644.3014.5733.3846.6455.0668.557147.2975.4345.2994.293.436
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.00.00.0100.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues3.43.32.52.22.32.01.52.32.83.35.23.63.74.64.33.6
Percentage of Revenues us-gaap:NaturalGasGatheringTransportationMarketingAndProcessing0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NaturalGasProduction


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value2628181211111312141424201612111112
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax270.90.00.00.0567.20.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues8.610.510.49.112.56.35.85.55.18.19.47.18.18.710.111.213.5
Percentage of Revenues us-gaap:NaturalGasProduction0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OilAndCondensate


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value26722914811774166208211256155225248180127988478
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax2778.00.00.00.03791.80.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues88.285.784.586.783.888.789.492.689.687.187.387.788.487.685.084.182.5
Percentage of Revenues us-gaap:OilAndCondensate0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ProductAndServiceOther


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-312017-09-302017-06-30
Value0.01.03.1092.2011.2994.9416.4951.0298.5113.5210.4080.4630.383
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax0.00.00.00.066.10.00.00.00.00.00.00.00.0
Percentage of Revenues0.00.41.81.61.52.62.80.43.02.00.40.50.4
Percentage of Revenues us-gaap:ProductAndServiceOther0.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value303267175135881872332282861782582822031451159995101
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value28522839283431723174323825892611259224392479235722841239
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value21652032190718901880184315111537159315391472165715981293
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets75.971.667.359.659.256.958.458.861.563.159.470.370.0104.4

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value28522839283431723174323825892611259224392479235722841239
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value686807926128212941394107810749988991007699685-77.127-54.0876.986120
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets24.128.432.740.440.843.141.641.238.536.940.629.730.00.0-4.40.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value1666166116591584154515041346134213391336133413241323494489492398
Percentage of StockholdersEquity242.8205.9179.1123.6119.4107.9124.8125.0134.2148.5132.4189.2193.0-640.7-905.77044.9329.2
Percentage of Assets58.458.558.650.048.746.552.051.451.754.853.856.257.90.039.50.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value0.8190.8170.8130.730.6840.6520.5420.5420.5420.5420.5420.5420.5420.3120.3120.3120.258
Percentage of StockholdersEquity0.10.10.10.10.10.00.10.10.10.10.10.10.1-0.4-0.64.50.2
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value-981.285-855.503-734.012-303.269-251.269-110.658-268.407-268.711-342.008-436.772-327.136-625.047-638.301-571.619-544.269-485.483-277.396
Percentage of StockholdersEquity-143.0-106.0-79.2-23.7-19.4-7.9-24.9-25.0-34.3-48.5-32.5-89.3-93.1741.11006.3-6949.4-229.5
Percentage of Assets-34.4-30.1-25.9-9.6-7.9-3.4-10.4-10.3-13.2-17.9-13.2-26.5-27.90.0-43.90.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value304291247256369502293332328238416306268144
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.710.38.78.111.615.511.412.712.79.816.813.011.811.7

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value6564343210710687908945139897832
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.32.31.21.03.43.33.43.53.41.95.63.83.52.6

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1441351066467811071081108710311910062
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.14.83.72.02.12.54.24.14.33.64.25.04.45.1

Other Assets Current

us-gaap:OtherAssetsCurrent

us-gaap:OtherAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1742000.01761000.01859000.01802000.01982000.02046000.01836000.01952000.02085000.03112000.07644000.08342000.03910000.02148000.0
Percentage of OtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.30.40.20.2

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value53955296523351414981484742904218411839563770367335452521
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets189.2186.5184.6162.1156.9149.7165.7161.5158.9162.2152.1155.9155.2203.5

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value28972798269723272247215820651967187917841719163515471430
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets101.698.695.273.470.866.779.775.372.573.169.369.467.8115.5

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value24972497253628142734268822252251223821722051203819971090
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets87.687.989.588.786.183.085.986.286.489.082.786.587.588.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value7601000.06722000.06855000.07060000.07351000.07590000.07779000.08082000.06732000.06989000.07300000.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.20.20.20.20.20.30.30.30.30.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value222124754721542.6242.77.8732.6952.0598.1430.706
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.80.92.41.50.72.10.10.10.30.10.10.40.1

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value111721041101045871951156251373872
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.92.63.73.53.31.82.83.74.42.62.11.61.75.9

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value16014016317218413815416918619218813815587
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.64.95.85.45.84.36.06.57.27.97.65.96.87.1

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value674482447434407308370411458424380510495323
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets23.717.015.813.712.89.514.315.717.717.415.321.721.726.1

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2021-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value6.060.4480.4430.4390.43424
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.00.00.00.02.0

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value2176000.01927000.01793000.01713000.01695000.01613000.01594000.01416000.01315000.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.00.10.10.1

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2925242322202018181722211515
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.00.90.90.70.70.60.80.70.70.70.90.90.71.2

Long Term Debt

us-gaap:LongTermDebt us-gaap:CreditFacility

us-gaap:LongTermDebt

talo:BankCreditFacilityMaturesMayTwoThousandTwentyTwo


Long
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value461635645644642343257
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets16.322.420.320.319.813.210.4
Percentage of Assets talo:BankCreditFacilityMaturesMayTwoThousandTwentyTwo0.00.00.00.00.00.00.0

talo:BankCreditFacilityMaturesNovemberTwoThousandTwentyFour


Long
Period End2021-06-302020-12-31
Value392635
Percentage of LongTermDebt0.0100.0
Percentage of Assets13.822.4
Percentage of Assets talo:BankCreditFacilityMaturesNovemberTwoThousandTwentyFour0.00.0

us-gaap:LongTermDebt us-gaap:DebtInstrument

talo:ElevenPercentSecondPrioritySeniorSecuredNotesDueAprilTwoThousandTwentyTwo


Long
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value343343346384383383382381381380380
Percentage of LongTermDebt54.053.353.859.9111.90.00.00.0148.10.00.0
Percentage of Assets12.110.810.911.914.814.714.815.715.416.116.6
Percentage of Assets talo:ElevenPercentSecondPrioritySeniorSecuredNotesDueAprilTwoThousandTwentyTwo0.00.00.00.00.00.00.00.00.00.00.0

talo:TwelvePointZeroZeroPercentSecondPrioritySeniorSecuredNotes


Long
Period End2021-06-30
Value583
Percentage of LongTermDebt0.0
Percentage of Assets20.5
Percentage of Assets talo:TwelvePointZeroZeroPercentSecondPrioritySeniorSecuredNotes0.0

talo:TwelvePointZeroZeroPercentSecondPrioritySeniorSecuredNotesDueJanuaryTwoThousandTwentySix


Long
Period End2021-03-31
Value581
Percentage of LongTermDebt126.0
Percentage of Assets20.5
Percentage of Assets talo:TwelvePointZeroZeroPercentSecondPrioritySeniorSecuredNotesDueJanuaryTwoThousandTwentySix0.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value97610499859949971033732697697665654654627672
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets34.237.034.831.431.431.928.326.726.927.326.427.827.554.3

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value424854566192818893103123118122103
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.71.91.81.92.93.23.43.64.35.05.05.48.4

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value181818181919171715
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.60.70.60.60.60.70.70.6

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-03-312020-12-312020-09-30
Value4239000.04302000.04302000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0
Percentage of Assets0.10.20.1

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-03-312020-12-312020-09-30
Value3315000.04239000.04239000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0
Percentage of Assets0.10.10.1

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-03-312020-12-312020-09-30
Value3293000.03315000.03315000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0
Percentage of Assets0.10.10.1

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value3293000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value12
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.4

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value2019202020201818171616
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.70.70.70.70.60.70.70.70.70.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-03-312020-12-312020-09-30
Value313132
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0
Percentage of Assets1.11.11.0

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-03-312020-12-312020-09-30
Value111111
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0
Percentage of Assets0.40.40.4

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value686807926128212941394107810749988991007699685-77.127-54.0876.986120
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets24.128.432.740.440.843.141.641.238.536.940.629.730.00.0-4.40.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value1666166116591584154515041346134213391336133413241323494489492398
Percentage of StockholdersEquity242.8205.9179.1123.6119.4107.9124.8125.0134.2148.5132.4189.2193.0-640.7-905.77044.9329.2
Percentage of Assets58.458.558.650.048.746.552.051.451.754.853.856.257.90.039.50.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value0.8190.8170.8130.730.6840.6520.5420.5420.5420.5420.5420.5420.5420.3120.3120.3120.258
Percentage of StockholdersEquity0.10.10.10.10.10.00.10.10.10.10.10.10.1-0.4-0.64.50.2
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-31
Value-981.285-855.503-734.012-303.269-251.269-110.658-268.407-268.711-342.008-436.772-327.136-625.047-638.301-571.619-544.269-485.483-277.396
Percentage of StockholdersEquity-143.0-106.0-79.2-23.7-19.4-7.9-24.9-25.0-34.3-48.5-32.5-89.3-93.1741.11006.3-6949.4-229.5
Percentage of Assets-34.4-30.1-25.9-9.6-7.9-3.4-10.4-10.3-13.2-17.9-13.2-26.5-27.90.0-43.90.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.8190.8170.8130.730.6840.6520.5420.5420.5420.5420.5420.5420.5420.312
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1666166116591584154515041346134213391336133413241323489
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets58.458.558.650.048.746.552.051.451.754.853.856.257.939.5

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value-981280000.0-855500000.0-734010000.0-303270000.0-251270000.0-110660000.0-268410000.0-268710000.0-342010000.0-436770000.0-327140000.0-625050000.0-638300000.0-544270000.0
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-34.4-30.1-25.9-9.6-7.9-3.4-10.4-10.3-13.2-17.9-13.2-26.5-27.9-43.9

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.0156
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.00.0100.0
Percentage of Assets0.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.0156
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.00.0100.0
Percentage of Assets0.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.0

us-gaap:PreferredStock


Stock
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.00.001
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.00.00.0
Percentage of Assets0.00.00.00.0
Percentage of Assets us-gaap:PreferredStock0.00.00.00.0

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.1944.3274.3664.3883.3813.1563.5293.5742.1261.4460.813.920.228
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.1884.3274.3664.3863.3813.1563.5293.5742.1265.7390.813.920.228
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue99.9100.0100.0100.0100.0100.0100.0100.0100.0396.9100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Adjustments
Period End2021-03-312020-12-312020-09-302020-06-30
Value0.0060.00.00.002
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue0.10.00.00.0
Percentage of Assets0.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1326639708111061149141411193667395139
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues43.525.022.752.191.658.726.365.549.323.046.312.933.127.244.639.2

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-53.896-72.737-93.752-133.558-74.911-376.683-95.489-143.319-121.836-135.312-66.565-47.973182-30.012-63.441-29.421
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-17.7-27.1-53.4-98.8-84.3-200.6-40.9-62.6-42.5-75.7-25.7-17.089.3-20.6-54.9-29.4

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-77.8673655-12.375-5.56628630-4.896220.005-3.19622-183.949-28.524-3.359-3.183
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-25.613.631.7-9.2-6.3152.513.1-2.17.80.0-1.27.9-90.2-19.6-2.9-3.2

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value0.375301.856-75.4780.90319-3.661.57742-94.18549
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.111.51.1-55.91.010.6-1.60.714.7-52.719.3

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value991011018088939788956484876749433736
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value14-10.9783.5961031-18.547-25.0188.89531-8.2845.204-0.903-36.194-16.932-0.714-7.762
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-4.4751732-3.435-6.41411-20.517-17.38934-2.305-3.67423-17.1-2.3621719
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1326639708111061149141411193667395139
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues43.525.022.752.191.658.726.365.549.323.046.312.933.127.244.639.2

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-125.782-121.491-430.743-52.0-140.6111570.3047394-109.63630613-74.912-22.943-85.76-36.1772434
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-41.4-45.3-245.1-38.5-158.284.00.132.033.0-61.3118.44.6-36.7-15.7-74.2-36.225.833.8

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-125.782-121.491-430.743-52.0-140.6111570.3047394-109.63630613-74.912-22.943
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-41.4-45.3-245.1-38.5-158.284.00.132.033.0-61.3118.44.6-36.7-15.7
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-125.782-121.491-430.743-52.0-140.6111570.3047394-109.63630613-74.912-22.943
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-41.4-45.3-245.1-38.5-158.284.00.132.033.0-61.3118.44.6-36.7-15.7

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3017000.02664000.02348000.02347000.02347000.01627000.01800000.01944000.01961000.01259000.0764000.0570000.01456000.0103000.0105000.0275000.0
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-53.896-72.737-93.752-133.558-74.911-376.683-95.489-143.319-121.836-135.312-66.565-47.973182-30.012-63.441-29.421
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-17.7-27.1-53.4-98.8-84.3-200.6-40.9-62.6-42.5-75.7-25.7-17.089.3-20.6-54.9-29.4

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-77.8673655-12.375-5.56628630-4.896220.005-3.19622-183.949-28.524-3.359-3.183
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-25.613.631.7-9.2-6.3152.513.1-2.17.80.0-1.27.9-90.2-19.6-2.9-3.2

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:BusinessAcquisition, us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateStatedPercentage

talo:StoneEnergyCorporation, talo:ElevenPercentSecondPrioritySeniorSecuredNotesDueAprilTwoThousandTwentyTwo


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value11.011.00.110.110.110.110.110.110.110.110.11
Percentage of DebtInstrumentInterestRateStatedPercentage100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations talo:StoneEnergyCorporation talo:ElevenPercentSecondPrioritySeniorSecuredNotesDueAprilTwoThousandTwentyTwo0.00.00.00.00.00.00.00.00.00.00.0

talo:StoneEnergyCorporation, talo:SevenPointFiveZeroPercentSeniorNotesDueMayTwoThousandTwentyTwo


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value7.57.50.0750.0750.075
Percentage of DebtInstrumentInterestRateStatedPercentage68.268.268.268.268.2
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations talo:StoneEnergyCorporation talo:SevenPointFiveZeroPercentSeniorNotesDueMayTwoThousandTwentyTwo0.00.00.00.00.0

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument

talo:ElevenPercentSecondPrioritySeniorSecuredNotesDueAprilTwoThousandTwentyTwo


Debt
Period End2021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value11.00.110.110.110.110.110.110.110.110.110.11
Percentage of DebtInstrumentInterestRateStatedPercentage0.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations talo:ElevenPercentSecondPrioritySeniorSecuredNotesDueAprilTwoThousandTwentyTwo0.00.00.00.00.00.00.00.00.00.00.0

talo:SevenPointFiveZeroPercentSeniorNotesDueMayTwoThousandTwentyTwo


Debt
Period End2021-03-312020-06-302020-03-312019-12-312018-12-31
Value7.50.0750.0750.0750.075
Percentage of DebtInstrumentInterestRateStatedPercentage0.068.268.268.268.2
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations talo:SevenPointFiveZeroPercentSeniorNotesDueMayTwoThousandTwentyTwo0.00.00.00.00.0

talo:TwelvePointZeroZeroPercentSecondPrioritySeniorSecuredNotesDueJanuaryTwoThousandTwentySix


Debt
Period End2021-03-31
Value12.0
Percentage of DebtInstrumentInterestRateStatedPercentage0.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.0
Percentage of LongTermDebtAndCapitalLeaseObligations talo:TwelvePointZeroZeroPercentSecondPrioritySeniorSecuredNotesDueJanuaryTwoThousandTwentySix0.0

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument, us-gaap:LongtermDebtType

talo:ElevenPercentSecondPrioritySeniorSecuredNotesDueAprilTwoThousandTwentyTwo, us-gaap:SeniorNotes


Debt
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-11-21
Value11.00.110.110.110.110.110.110.110.110.110.11
Percentage of DebtInstrumentInterestRateStatedPercentage0.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations talo:ElevenPercentSecondPrioritySeniorSecuredNotesDueAprilTwoThousandTwentyTwo us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.00.00.0

talo:SevenPointFiveZeroPercentSeniorNotesDueMayTwoThousandTwentyTwo, us-gaap:SeniorNotes


Debt
Period End2021-06-302020-06-302020-03-312019-12-312018-12-312018-05-102017-11-21
Value7.50.0750.0750.0750.0750.0750.075
Percentage of DebtInstrumentInterestRateStatedPercentage0.068.268.268.268.20.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.00.00.00.00.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations talo:SevenPointFiveZeroPercentSeniorNotesDueMayTwoThousandTwentyTwo us-gaap:SeniorNotes0.00.00.00.00.00.00.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value-0.4-0.5-47.3735.20.260.259-1.60690.010.060.0550.01300
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-31
Value2061000.0
Percentage of DeferredTaxLiabilities100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value1752541840.016
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-31
Value648000.0791000.0360000.0
Percentage of UnrecognizedTaxBenefits100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value17819944.007
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsValuationAllowance us-gaap:IncomeTaxAuthority

talo:StateAndFederal


Deferred
Period End2020-12-312019-12-31
Value16280
Percentage of DeferredTaxAssetsValuationAllowance90.6419.5

talo:AdjustmentsToEquitySharebasedCompensationArrangementCompensationCostNetOfTaxWithholdingsAndParValueForStockIssuedUponVesting

talo:AdjustmentsToEquitySharebasedCompensationArrangementCompensationCostNetOfTaxWithholdingsAndParValueForStockIssuedUponVesting


Adjustments
Period End2021-06-302020-06-30
Value5049000.04307000.0
Percentage of AdjustmentsToEquitySharebasedCompensationArrangementCompensationCostNetOfTaxWithholdingsAndParValueForStockIssuedUponVesting100.0100.0

talo:AdjustmentsToEquitySharebasedCompensationArrangementCompensationCostNetOfTaxWithholdingsAndParValueForStockIssuedUponVesting us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302020-06-30
Value5047000.04306000.0
Percentage of AdjustmentsToEquitySharebasedCompensationArrangementCompensationCostNetOfTaxWithholdingsAndParValueForStockIssuedUponVesting100.0100.0

us-gaap:CommonStock


Adjustments
Period End2021-06-302020-06-30
Value2000.01000.0
Percentage of AdjustmentsToEquitySharebasedCompensationArrangementCompensationCostNetOfTaxWithholdingsAndParValueForStockIssuedUponVesting0.00.0

talo:DepreciationDepletionAmortizationAndAccretionExpense

talo:DepreciationDepletionAmortizationAndAccretionExpense


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value115116113921021051049510574959777534842
Percentage of DepreciationDepletionAmortizationAndAccretionExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

talo:FairValueOfAssetRetirementObligationsAcquired

talo:FairValueOfAssetRetirementObligationsAcquired


Fair
Period End2021-03-312020-12-31
Value0.0044.233
Percentage of FairValueOfAssetRetirementObligationsAcquired100.0100.0

talo:FairValueOfAssetRetirementObligationsAssumed us-gaap:BusinessAcquisition

talo:FairValueOfAssetRetirementObligationsAssumed

talo:CastexEnergyTwoThousandFive


Fair
Period End2020-12-31
Value0.0
Percentage of FairValueOfAssetRetirementObligationsAssumed0.0

talo:ILXAndCastex


Fair
Period End2020-12-31
Value0.0
Percentage of FairValueOfAssetRetirementObligationsAssumed0.0

talo:FairValueOfAssetRetirementObligationsDivested

talo:FairValueOfAssetRetirementObligationsDivested


Fair
Period End2021-03-312020-12-31
Value176000.00
Percentage of FairValueOfAssetRetirementObligationsDivested100.00.0

talo:ImpairmentOfOilAndGasPropertiesAndOtherWellEquipment

talo:ImpairmentOfOilAndGasPropertiesAndOtherWellEquipment


Impairment
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value2680.00.00.19-1.3921.417
Percentage of ImpairmentOfOilAndGasPropertiesAndOtherWellEquipment100.00.00.0100.0100.0100.0

talo:MaximumPercentageOfPrincipalAmountOptionToRedeem us-gaap:StatementScenario, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

talo:MaximumPercentageOfPrincipalAmountOptionToRedeem

srt:ScenarioForecast, talo:TwelvePercentSecondPrioritySeniorSecuredNotesDueJanuaryTwoThousandTwentySix, us-gaap:SeniorNotes


Maximum
Period End2023-01-15
Value40.0
Percentage of MaximumPercentageOfPrincipalAmountOptionToRedeem100.0

talo:NetCashReceivedPaidFromPriceRiskManagementActivity

talo:NetCashReceivedPaidFromPriceRiskManagementActivity


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value-69.237-48.3818636
Percentage of NetCashReceivedPaidFromPriceRiskManagementActivity100.0100.0100.0100.0

talo:OtherDeferredPayments

talo:OtherDeferredPayments


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.05.5750.04.3460.07.5750.00.03.3466.575
Percentage of OtherDeferredPayments0.0100.00.0100.00.0100.00.00.0100.0100.0

talo:PaymentsForProceedsFromSettledDerivativeInstrumentsOperatingActivities

talo:PaymentsForProceedsFromSettledDerivativeInstrumentsOperatingActivities


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value198636-1.6185.36-9.5-3.019-20.4-40.746-33.6-20.4291.5478.619
Percentage of PaymentsForProceedsFromSettledDerivativeInstrumentsOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

talo:ProductionTaxExpenseBenefit us-gaap:PropertyPlantAndEquipmentByType

talo:ProductionTaxExpenseBenefit

us-gaap:OilAndGasProperties


Production
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value414000.0225000.0166000.0249000.0282000.0-21000.0506000.0582000.0456000.0578000.0
Percentage of ProductionTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

talo:RepaymentsOfSeniorNotesAndOtherLongTermDebt

talo:RepaymentsOfSeniorNotesAndOtherLongTermDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.03560.6293.5260.00.0100.1090.1060.1050.069240.00.0
Percentage of RepaymentsOfSeniorNotesAndOtherLongTermDebt0.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.00.00.0

talo:StockIssuedDuringPeriodCommonStockValueNewIssues

talo:StockIssuedDuringPeriodCommonStockValueNewIssues


Stock
Period End2020-12-312020-09-302020-06-30
Value-0.6123535
Percentage of StockIssuedDuringPeriodCommonStockValueNewIssues100.0100.0100.0

talo:StockIssuedDuringPeriodCommonStockValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-12-312020-09-302020-06-30
Value-0.6183535
Percentage of StockIssuedDuringPeriodCommonStockValueNewIssues101.099.999.9

us-gaap:CommonStock


Stock
Period End2020-12-312020-09-302020-06-30
Value0.0060.0460.031
Percentage of StockIssuedDuringPeriodCommonStockValueNewIssues-1.00.10.1

talo:UnweightedAverageFirstDayOfMonthCommodityPriceForCrudeOilForPriorTwelveMonths us-gaap:StatementGeographical

talo:UnweightedAverageFirstDayOfMonthCommodityPriceForCrudeOilForPriorTwelveMonths

country:US


Unweighted
Period End2021-06-302021-03-312020-12-31
Value10.7439.49-4.84
Percentage of UnweightedAverageFirstDayOfMonthCommodityPriceForCrudeOilForPriorTwelveMonths100.0100.0100.0

talo:UnweightedAverageFirstDayOfMonthCommodityPriceForNaturalGasForPriorTwelveMonths us-gaap:StatementGeographical

talo:UnweightedAverageFirstDayOfMonthCommodityPriceForNaturalGasForPriorTwelveMonths

country:US


Unweighted
Period End2021-06-302021-03-312020-12-31
Value0.332.150
Percentage of UnweightedAverageFirstDayOfMonthCommodityPriceForNaturalGasForPriorTwelveMonths100.0100.00.0

talo:UnweightedAverageFirstDayOfMonthCommodityPriceForNaturalGasLiquidsForPriorTwelveMonths us-gaap:StatementGeographical

talo:UnweightedAverageFirstDayOfMonthCommodityPriceForNaturalGasLiquidsForPriorTwelveMonths

country:US


Unweighted
Period End2021-06-302021-03-312020-12-31
Value3.7311.19-1.0
Percentage of UnweightedAverageFirstDayOfMonthCommodityPriceForNaturalGasLiquidsForPriorTwelveMonths100.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation


Adjustments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value2150000.0036000.081000.0710000.07000.043000.0283000.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value2148000.0036000.080000.0710000.07000.043000.0283000.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation99.90.0100.098.8100.0100.0100.0100.0

us-gaap:CommonStock


Adjustments
Period End2021-03-312020-12-312020-09-302020-06-30
Value2000.0001000.0
Percentage of AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation0.10.00.01.2

us-gaap:AmortizationOfFinancingCostsAndDiscounts

us-gaap:AmortizationOfFinancingCostsAndDiscounts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3792000.03142000.01411000.01408000.02519000.01466000.01484000.01330000.01205000.01188000.0664000.0982000.02230000.0377000.0378000.0376000.0
Percentage of AmortizationOfFinancingCostsAndDiscounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationAccretionExpense

us-gaap:AssetRetirementObligationAccretionExpense


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1514111113127.5217.3169.9459.60710109.4924.764.4874.2995.321
Percentage of AssetRetirementObligationAccretionExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationCashPaidToSettle

us-gaap:AssetRetirementObligationCashPaidToSettle


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value26109.43116126.3022022283.9452741385.3236.68914
Percentage of AssetRetirementObligationCashPaidToSettle100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationLiabilitiesIncurred

us-gaap:AssetRetirementObligationLiabilitiesIncurred


Asset
Period End2020-12-31
Value3174000.0
Percentage of AssetRetirementObligationLiabilitiesIncurred100.0

us-gaap:AssetRetirementObligationLiabilitiesSettled

us-gaap:AssetRetirementObligationLiabilitiesSettled


Asset
Period End2021-06-302021-03-312020-12-31
Value26109.431
Percentage of AssetRetirementObligationLiabilitiesSettled100.0100.0100.0

us-gaap:AssetRetirementObligationRevisionOfEstimate

us-gaap:AssetRetirementObligationRevisionOfEstimate


Asset
Period End2021-06-302021-03-312020-12-31
Value145.2061.164
Percentage of AssetRetirementObligationRevisionOfEstimate100.0100.0100.0

us-gaap:BusinessAcquisitionProFormaEarningsPerShareBasic us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

us-gaap:BusinessAcquisitionProFormaEarningsPerShareBasic

talo:ILXAndCastex


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-6.14-0.8-2.12.56-0.031.522.01-1.22
Percentage of BusinessAcquisitionProFormaEarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionProFormaEarningsPerShareDiluted us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

us-gaap:BusinessAcquisitionProFormaEarningsPerShareDiluted

talo:ILXAndCastex


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-6.14-0.8-2.092.55-0.041.512.0-1.22
Percentage of BusinessAcquisitionProFormaEarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

us-gaap:BusinessAcquisitionsProFormaNetIncomeLoss

talo:ILXAndCastex


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-427.189-52.795-137.57167-2.03898130-79.448
Percentage of BusinessAcquisitionsProFormaNetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessAcquisitionsProFormaRevenue us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

us-gaap:BusinessAcquisitionsProFormaRevenue

talo:ILXAndCastex


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value17513588235306306372260
Percentage of BusinessAcquisitionsProFormaRevenue100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationAcquisitionRelatedCosts

talo:CastexEnergyTwoThousandFive


Business
Period End2020-12-312020-08-05
Value0.01.4
Percentage of BusinessCombinationAcquisitionRelatedCosts0.0100.0

talo:LLOGExplorationAndProductionCompanyLimitedLiabilityCompany


Business
Period End2020-11-16
Value0.2
Percentage of BusinessCombinationAcquisitionRelatedCosts0.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

talo:ILXAndCastex


Business
Period End2020-09-302020-06-302020-02-282020-03-31
Value0.40.81210
Percentage of BusinessCombinationAcquisitionRelatedCosts0.00.00.00.0

talo:LLOGExplorationAndProductionCompanyLimitedLiabilityCompany


Business
Period End2020-11-16
Value0.2
Percentage of BusinessCombinationAcquisitionRelatedCosts0.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts us-gaap:BusinessCombinationSeparatelyRecognizedTransactions, us-gaap:IncomeStatementLocation

talo:ILXAndCastex, us-gaap:GeneralAndAdministrativeExpense


Business
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.00.00.40.87.53.4
Percentage of BusinessCombinationAcquisitionRelatedCosts0.00.00.00.00.00.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferred1

talo:CastexEnergyTwoThousandFive


Business
Period End2020-12-312020-08-05
Value0.043
Percentage of BusinessCombinationConsiderationTransferred10.0100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

talo:ILXAndCastex


Business
Period End2020-09-302020-06-302020-02-282020-03-31
Value0.03.871459449
Percentage of BusinessCombinationConsiderationTransferred10.00.00.00.0

us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable us-gaap:BusinessAcquisition, us-gaap:EquityInterestIssuedOrIssuableByType

us-gaap:BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable

talo:CastexEnergyTwoThousandFive, us-gaap:CommonStock


Business
Period End2020-12-312020-08-05
Value0.035
Percentage of BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable0.0100.0

us-gaap:BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

us-gaap:BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual

talo:ILXAndCastex


Business
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value277.072-1.131-15.1613.209
Percentage of BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

us-gaap:BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual

talo:ILXAndCastex


Business
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value7149372613
Percentage of BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual100.0100.0100.0100.0100.0

us-gaap:CapitalExpendituresIncurredButNotYetPaid

us-gaap:CapitalExpendituresIncurredButNotYetPaid


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2965-22.56-15.944466666-140.6883013463-1.434.24133-8.17418
Percentage of CapitalExpendituresIncurredButNotYetPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentRedemptionPricePercentage us-gaap:DebtInstrument

us-gaap:DebtInstrumentRedemptionPricePercentage

talo:SevenPointFiveZeroPercentSeniorNotesDueMayTwoThousandTwentyTwo


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value105.630104.57-0.01871.075
Percentage of DebtInstrumentRedemptionPricePercentage100.00.0100.0100.0100.0

us-gaap:DebtInstrumentRedemptionPricePercentage us-gaap:Range, us-gaap:DebtInstrument

srt:Maximum, talo:SevenPointFiveZeroPercentSeniorNotesDueMayTwoThousandTwentyTwo


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value105.630104.575e-051.0562
Percentage of DebtInstrumentRedemptionPricePercentage100.00.0100.0-0.398.3

srt:Minimum, talo:SevenPointFiveZeroPercentSeniorNotesDueMayTwoThousandTwentyTwo


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value100.0099.001.0
Percentage of DebtInstrumentRedemptionPricePercentage94.70.094.7-0.093.0

us-gaap:DebtInstrumentRedemptionPricePercentage us-gaap:Range, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

srt:Maximum, talo:ElevenPercentSecondPriorityNotesDueAprilTwoThousandTwentyTwo, us-gaap:SeniorNotes


Debt
Period End2021-03-312020-12-312020-03-31
Value102.7501.0275
Percentage of DebtInstrumentRedemptionPricePercentage97.30.095.6

srt:Maximum, talo:TwelvePercentSecondPrioritySeniorSecuredNotesDueJanuaryTwoThousandTwentySix, us-gaap:SeniorNotes


Debt
Period End2021-03-31
Value106.0
Percentage of DebtInstrumentRedemptionPricePercentage100.4

srt:Minimum, talo:ElevenPercentSecondPriorityNotesDueAprilTwoThousandTwentyTwo, us-gaap:SeniorNotes


Debt
Period End2021-03-312020-12-312020-03-31
Value100.001.0
Percentage of DebtInstrumentRedemptionPricePercentage94.70.093.0

srt:Minimum, talo:TwelvePercentSecondPrioritySeniorSecuredNotesDueJanuaryTwoThousandTwentySix, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-31
Value0100.0
Percentage of DebtInstrumentRedemptionPricePercentage0.094.7

us-gaap:DebtInstrumentRedemptionPricePercentage us-gaap:StatementScenario, us-gaap:DebtInstrument, us-gaap:LongtermDebtType

srt:ScenarioForecast, talo:ElevenPercentSecondPriorityNotesDueAprilTwoThousandTwentyTwo, us-gaap:SeniorNotes


Debt
Period End2021-05-10
Value1.0275
Percentage of DebtInstrumentRedemptionPricePercentage0.0

srt:ScenarioForecast, talo:TwelvePercentSecondPrioritySeniorSecuredNotesDueJanuaryTwoThousandTwentySix, us-gaap:SeniorNotes


Debt
Period End2023-01-15
Value112.0
Percentage of DebtInstrumentRedemptionPricePercentage0.0

us-gaap:DerivativeNonmonetaryNotionalAmountEnergyMeasure dei:EntityListingsExchange, us-gaap:Energy, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument

us-gaap:DerivativeNonmonetaryNotionalAmountEnergyMeasure

talo:NYMEXHenryHub, srt:NaturalGasPerThousandCubicFeet, talo:AprilTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, talo:Collar


Derivative
Period End2021-03-31
Value5000.0
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure100.0

talo:NYMEXHenryHub, srt:NaturalGasPerThousandCubicFeet, talo:AprilTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, us-gaap:Swap


Derivative
Period End2021-03-31
Value56385.0
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure1127.7

talo:NYMEXHenryHub, srt:NaturalGasPerThousandCubicFeet, talo:JanuaryTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, us-gaap:Swap


Derivative
Period End2020-12-312020-09-302020-06-302020-03-31
Value4973.08934.015000.030000.0
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure0.00.00.00.0

talo:NYMEXHenryHub, srt:NaturalGasPerThousandCubicFeet, talo:JanuaryTwoThousandAndTwentyTwoToDecemberTwoThousandTwentyTwoProduction, us-gaap:Swap


Derivative
Period End2021-03-312020-12-312020-09-30
Value30882.010452.09197.0
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure617.60.00.0

talo:NYMEXHenryHub, srt:NaturalGasPerThousandCubicFeet, talo:JanuaryTwoThousandTwentyThreeToJuneTwoThousandTwentyThreeProduction, us-gaap:Swap


Derivative
Period End2021-03-31
Value5000.0
Percentage of DerivativeNonmonetaryNotionalAmountEnergyMeasure100.0

us-gaap:DerivativeNonmonetaryNotionalAmountVolume us-gaap:Energy, us-gaap:StatementGeographical, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument

us-gaap:DerivativeNonmonetaryNotionalAmountVolume

srt:CrudeOil, talo:LouisianaLightSweet, talo:AprilTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, us-gaap:Swap


Derivative
Period End2021-03-31
Value3335.0
Percentage of DerivativeNonmonetaryNotionalAmountVolume100.0

srt:CrudeOil, talo:LouisianaLightSweet, talo:JanuaryTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, us-gaap:Swap


Derivative
Period End2020-09-30
Value0
Percentage of DerivativeNonmonetaryNotionalAmountVolume0.0

srt:CrudeOil, talo:WestTexasIntermediate, talo:AprilTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, talo:Collar


Derivative
Period End2021-03-31
Value1000.0
Percentage of DerivativeNonmonetaryNotionalAmountVolume30.0

srt:CrudeOil, talo:WestTexasIntermediate, talo:AprilTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, us-gaap:Swap


Derivative
Period End2021-03-31
Value24429.0
Percentage of DerivativeNonmonetaryNotionalAmountVolume732.5

srt:CrudeOil, talo:WestTexasIntermediate, talo:JanuaryTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, talo:Collar


Derivative
Period End2020-09-302020-06-302020-03-31
Value001000.0
Percentage of DerivativeNonmonetaryNotionalAmountVolume0.00.00.0

srt:CrudeOil, talo:WestTexasIntermediate, talo:JanuaryTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, us-gaap:Swap


Derivative
Period End2020-09-302020-06-302020-03-31
Value9715.03000.04230.0
Percentage of DerivativeNonmonetaryNotionalAmountVolume0.00.00.0

srt:CrudeOil, talo:WestTexasIntermediate, talo:JanuaryTwoThousandAndTwentyThreeToDecemberTwoThousandTwentyThreeProduction, us-gaap:Swap


Derivative
Period End2021-06-302021-03-31
Value1000.02000.0
Percentage of DerivativeNonmonetaryNotionalAmountVolume0.060.0

srt:CrudeOil, talo:WestTexasIntermediate, talo:JanuaryTwoThousandAndTwentyTwoToDecemberTwoThousandTwentyTwoProduction, us-gaap:Swap


Derivative
Period End2021-06-302021-03-312020-12-31
Value2496.016605.0893.0
Percentage of DerivativeNonmonetaryNotionalAmountVolume0.0497.90.0

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate


Effective
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value21.00.210.2100.210.210.2100.210.210.21
Percentage of EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount

us-gaap:EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value2609000.0-2251000.02061000.02039000.02108000.01585000.01556000.01647000.01700000.01016000.0664000.0353000.02500000.0
Percentage of EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ExpenseRelatedToDistributionOrServicingAndUnderwritingFees us-gaap:TypeOfArrangement

us-gaap:ExpenseRelatedToDistributionOrServicingAndUnderwritingFees

talo:OriginalEquityRegistrationRightsAgreement


Expense
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value300000.0100000.0000200000.000100000.0600000.0
Percentage of ExpenseRelatedToDistributionOrServicingAndUnderwritingFees100.0100.00.00.00.0100.00.00.0100.0100.0

us-gaap:FinanceLeaseInterestExpense

us-gaap:FinanceLeaseInterestExpense


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.0123.2563.5953.8484.044.2654.5264.7284.8674.994
Percentage of FinanceLeaseInterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseInterestPaymentOnLiability

us-gaap:FinanceLeaseInterestPaymentOnLiability


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.0123.2563.5953.8474.0414.2654.5264.7284.8674.994
Percentage of FinanceLeaseInterestPaymentOnLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeasePrincipalPayments


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value5.3035.0584.7194.4674.2744.0493.7893.5853.4483.3113.0782.9163.4113.547
Percentage of FinanceLeasePrincipalPayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossFromPriceRiskManagementActivity

us-gaap:GainLossFromPriceRiskManagementActivity


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-186.617-137.508-66.968-19.882-68.682243-59.5084329-109.579256-53.33-91.176-51.976-84.365-28.0863845
Percentage of GainLossFromPriceRiskManagementActivity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossFromPriceRiskManagementActivity us-gaap:DerivativeInstrumentRisk

us-gaap:CommodityContract


Gain
Period End2021-06-302020-06-30
Value-186.617-68.682
Percentage of GainLossFromPriceRiskManagementActivity100.0100.0

us-gaap:GainLossOnDispositionOfAssets1

us-gaap:GainLossOnDispositionOfAssets1


Gain
Period End2021-06-302021-03-31
Value534000.0319000.0
Percentage of GainLossOnDispositionOfAssets1100.0100.0

us-gaap:GainLossOnSaleOfDerivatives

us-gaap:GainLossOnSaleOfDerivatives


Gain
Period End2021-03-312020-03-31
Value-48.38136
Percentage of GainLossOnSaleOfDerivatives100.0100.0

us-gaap:GainLossOnSaleOfDerivatives us-gaap:DerivativeInstrumentRisk

us-gaap:CommodityContract


Gain
Period End2021-06-302020-06-30
Value-69.23786
Percentage of GainLossOnSaleOfDerivatives0.00.0

us-gaap:ImpairmentOfOilAndGasProperties

us-gaap:ImpairmentOfOilAndGasProperties


Impairment
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-06-302017-06-30
Value2670.00.00.057-1.5571.417120.00.0
Percentage of ImpairmentOfOilAndGasProperties100.00.00.0100.0100.0100.0100.00.00.0

us-gaap:ImpairmentOfOilAndGasProperties us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

talo:BlockTwo


Impairment
Period End2020-09-302019-09-302019-06-30
Value0.01.412
Percentage of ImpairmentOfOilAndGasProperties0.098.8100.3

us-gaap:IncreaseDecreaseInOtherCurrentAssets

us-gaap:IncreaseDecreaseInOtherCurrentAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value163.35-14.099-6.7073.19-18.318260.875-0.889-11.37-11.90.948121.4174.0171.551
Percentage of IncreaseDecreaseInOtherCurrentAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherCurrentLiabilities

us-gaap:IncreaseDecreaseInOtherCurrentLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value435.328-27.626152.70213-8.70610-11.231-25.933-8.366-12.13355-2.4632439
Percentage of IncreaseDecreaseInOtherCurrentLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet

us-gaap:IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value1.263-0.194-67.5613263-54.76943-1.143-6.0867.956-4.8478.955-18.745-0.534-7.401-0.588
Percentage of IncreaseDecreaseInOtherNoncurrentAssetsAndLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value16101726208.6699.41233342
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LegalFees

us-gaap:LegalFees


Legal
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value600000.01800000.01600000.0300000.0500000.01100000.0
Percentage of LegalFees100.0100.0100.0100.0100.0100.0

us-gaap:LegalFees us-gaap:RelatedPartyTransactionsByRelatedParty

talo:VinsonElkinsLLP


Legal
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value800000.0900000.01800000.01600000.02300000.0300000.0500000.01100000.0-900000.05000000.01200000.01100000.0
Percentage of LegalFees0.00.0100.0100.00.0100.0100.0100.00.00.00.00.0

us-gaap:LineOfCreditFacilityIncreaseDecreaseForPeriodNet us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:LineOfCreditFacilityIncreaseDecreaseForPeriodNet

talo:BankCreditFacilityMaturesNovemberTwoThousandTwentyFour, us-gaap:SubsequentEvent


Line
Period End2021-07-31
Value75
Percentage of LineOfCreditFacilityIncreaseDecreaseForPeriodNet100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value720000.0716000.0814000.0815000.0866000.0866000.0913000.0822000.0763000.0763000.0
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseExpense us-gaap:PropertyPlantAndEquipmentByType

us-gaap:OperatingLeaseExpense

us-gaap:OilAndGasProperties


Operating
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value666262635859615467
Percentage of OperatingLeaseExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value987000.0987000.0982000.0755000.0456000.0455000.0454000.0452000.0453000.0453000.0
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingIncomeExpenseNet

us-gaap:OtherOperatingIncomeExpenseNet


Other
Period End2021-06-30
Value2783000.0
Percentage of OtherOperatingIncomeExpenseNet100.0

us-gaap:PaymentsOfFinancingCosts

us-gaap:PaymentsOfFinancingCosts


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value6.594190.00.00.0021.2850.6950.012
Percentage of PaymentsOfFinancingCosts100.0100.00.00.0100.0100.0100.0100.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value970000.02150000.0036000.081000.0710000.07000.043000.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessAcquisition

us-gaap:PaymentsToAcquireBusinessesGross

talo:CastexEnergyTwoThousandFive


Payments
Period End2020-12-312020-08-052020-06-19
Value0.06.56.5
Percentage of PaymentsToAcquireBusinessesGross0.0100.0100.0

talo:LLOGExplorationAndProductionCompanyLimitedLiabilityCompany


Payments
Period End2020-11-16
Value13
Percentage of PaymentsToAcquireBusinessesGross0.0

us-gaap:PaymentsToAcquireBusinessesGross us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

talo:ILXAndCastex


Payments
Period End2020-09-302020-06-302020-02-282020-03-31
Value0.00.0385385
Percentage of PaymentsToAcquireBusinessesGross0.00.00.00.0

talo:LLOGExplorationAndProductionCompanyLimitedLiabilityCompany


Payments
Period End2020-11-16
Value13
Percentage of PaymentsToAcquireBusinessesGross0.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312017-09-30
Value-2.9238.322117.9133.8712935.00.00.0320.0140.221-0.001
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

talo:ILXAndCastex


Payments
Period End2020-09-302020-06-302020-02-282020-03-31
Value0.03.871303293
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.0100.0100.00.0

us-gaap:PaymentsToExploreAndDevelopOilAndGasProperties

us-gaap:PaymentsToExploreAndDevelopOilAndGasProperties


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value6164821257183901431271026633110306329
Percentage of PaymentsToExploreAndDevelopOilAndGasProperties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromBankDebt

us-gaap:ProceedsFromBankDebt


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value500.00.0300350.040350.025
Percentage of ProceedsFromBankDebt100.00.00.0100.0100.00.0100.0100.00.0100.0

us-gaap:ProceedsFromIssuanceOfDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

us-gaap:ProceedsFromIssuanceOfDebt

talo:TwelvePercentSecondPrioritySeniorSecuredNotesDueJanuaryTwoThousandTwentySix, us-gaap:SeniorNotes, us-gaap:SubsequentEvent


Proceeds
Period End2021-01-14
Value600
Percentage of ProceedsFromIssuanceOfDebt100.0

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt


Proceeds
Period End2021-06-302021-03-31
Value0.0600
Percentage of ProceedsFromIssuanceOfSeniorLongTermDebt0.0100.0

us-gaap:ProceedsFromSaleOfOilAndGasPropertyAndEquipment

us-gaap:ProceedsFromSaleOfOilAndGasPropertyAndEquipment


Proceeds
Period End2021-03-31
Value330000.0
Percentage of ProceedsFromSaleOfOilAndGasPropertyAndEquipment100.0

us-gaap:ProductionTaxExpense

us-gaap:ProductionTaxExpense


Production
Period End2021-06-302020-06-302018-09-302017-09-30
Value953000.0166000.0578000.0393000.0
Percentage of ProductionTaxExpense100.0100.0100.0100.0

us-gaap:ProductionTaxExpense us-gaap:PropertyPlantAndEquipmentByType

us-gaap:OilAndGasProperties


Production
Period End2021-03-312020-06-302020-03-312019-06-302019-03-312018-06-302018-03-31
Value822000.0166000.0249000.0506000.0582000.0564000.0391000.0
Percentage of ProductionTaxExpense0.0100.00.00.00.00.00.0

us-gaap:RepaymentsOfBankDebt

us-gaap:RepaymentsOfBankDebt


Repayments
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value651750.00.00.0250.00.0
Percentage of RepaymentsOfBankDebt100.0100.00.00.00.0100.00.00.0

us-gaap:RepaymentsOfLinesOfCredit us-gaap:DebtInstrument, us-gaap:SubsequentEventType

us-gaap:RepaymentsOfLinesOfCredit

talo:BankCreditFacilityMaturesMayTwoThousandTwentyTwo, us-gaap:SubsequentEvent


Repayments
Period End2021-01-31
Value175
Percentage of RepaymentsOfLinesOfCredit100.0

us-gaap:ResultsOfOperationsProductionOrLiftingCosts

us-gaap:ResultsOfOperationsProductionOrLiftingCosts


Results
Period End2021-06-302020-06-30
Value7263
Percentage of ResultsOfOperationsProductionOrLiftingCosts100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value01.150.7835.740.55-3.22042.94
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue0.0100.0100.0100.0100.0100.00.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.3-4.870.124.720-0.48-6.9532.86
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue0.0-423.512.869.20.014.90.076.5

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value018.9600013.05001.5232.440
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0100.00.00.00.0100.00.00.0100.0100.00.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value013.110-0.02010.040-0.070.1324.330
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.069.10.00.00.076.90.00.08.675.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-31
Value0.8514.070
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue100.0100.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate us-gaap:AwardDate, us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

talo:GrantDateMarchEightTwoThousandTwentyOne, us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-31
Value078.3
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate0.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate us-gaap:AwardDate, us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

talo:GrantDateMarchEightTwoThousandTwentyOne, us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-31
Value00.3
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.0100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1


Sharebased
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value5.6264.9154.4094.3864.4553.2123.3563.5913.72.2751.4280.9234.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardCompensationCost1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShortTermLeaseCost

us-gaap:ShortTermLeaseCost


Short
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value125.761221153.5353.968172736
Percentage of ShortTermLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueConversionOfConvertibleSecurities

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-12-312020-09-302020-06-302020-03-31
Value000-109000.0
Percentage of StockIssuedDuringPeriodValueConversionOfConvertibleSecurities0.00.00.0100.0

us-gaap:CommonStock


Stock
Period End2020-12-312020-09-302020-06-302020-03-31
Value000110000.0
Percentage of StockIssuedDuringPeriodValueConversionOfConvertibleSecurities0.00.00.0-100.9

us-gaap:PreferredStock


Stock
Period End2020-12-312020-09-302020-06-302020-03-31
Value000-1000.0
Percentage of StockIssuedDuringPeriodValueConversionOfConvertibleSecurities0.00.00.00.9

us-gaap:UnrealizedGainLossOnDerivatives

us-gaap:UnrealizedGainLossOnDerivatives


Unrealized
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-89.127-69.344-38.912-154.721206-57.893839-106.56273-12.584
Percentage of UnrealizedGainLossOnDerivatives100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrealizedGainLossOnDerivatives us-gaap:DerivativeInstrumentRisk

us-gaap:CommodityContract


Unrealized
Period End2021-06-302020-06-30
Value-117.38-154.721
Percentage of UnrealizedGainLossOnDerivatives0.0100.0

us-gaap:VariableLeaseCost

us-gaap:VariableLeaseCost


Variable
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value322000.0322000.0322000.0215000.03000.03000.03000.03000.03000.02000.0
Percentage of VariableLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows


Future
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value49277151865443083390
Percentage of FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows100.0100.0100.0100.0100.0

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts


Future
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value123614641349823664
Percentage of FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts100.0100.0100.0100.0100.0

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense


Future
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1416628620.00.0
Percentage of FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense100.0100.0100.00.00.0

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts


Future
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value110516331740815775
Percentage of FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts100.0100.0100.0100.0100.0

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows


Future
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value5388541362862614
Percentage of FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows100.0100.0100.0100.0100.0

srt:ProvedDevelopedAndUndevelopedReserveNetEnergy

srt:ProvedDevelopedAndUndevelopedReserveNetEnergy


Proved
Period End2020-12-312019-12-312018-12-31
Value21.310.051.1
Percentage of ProvedDevelopedAndUndevelopedReserveNetEnergy100.0100.0100.0

srt:ProvedDevelopedAndUndevelopedReserveNetEnergy us-gaap:ReserveQuantitiesByTypeOfReserve

talo:OilEquivalent


Proved
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value163030.0141740.0151740.0100620.0103700.072473.0
Percentage of ProvedDevelopedAndUndevelopedReserveNetEnergy765413.11417350.0296945.20.00.00.0

srt:ProvedDevelopedAndUndevelopedReservesNet us-gaap:ReserveQuantitiesByTypeOfReserve

srt:ProvedDevelopedAndUndevelopedReservesNet

srt:NaturalGasLiquidsReserves


Proved
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value10858.08981.010696.06547.06236.04581.0
Percentage of ProvedDevelopedAndUndevelopedReservesNet100.0100.0100.0100.0100.0100.0

srt:NaturalGasReserves


Proved
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value257210.0156000.0171020.0127660.0150600.0129220.0
Percentage of ProvedDevelopedAndUndevelopedReservesNet2368.81737.01599.01949.82415.12820.9

srt:OilReserves


Proved
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value109310.0106750.0112540.072804.072366.046354.0
Percentage of ProvedDevelopedAndUndevelopedReservesNet1006.71188.71052.21112.01160.51011.9

srt:ProvedDevelopedReservesBOE1 us-gaap:ReserveQuantitiesByTypeOfReserve

srt:ProvedDevelopedReservesBOE1

talo:OilEquivalent


Proved
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value127120.097979.0115530.053704.065805.0
Percentage of ProvedDevelopedReservesBOE1100.0100.0100.0100.0100.0

srt:ProvedDevelopedReservesVolume us-gaap:ReserveQuantitiesByTypeOfReserve

srt:ProvedDevelopedReservesVolume

srt:NaturalGasLiquidsReserves


Proved
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value8104.06733.08104.03315.04032.0
Percentage of ProvedDevelopedReservesVolume100.0100.0100.0100.0100.0

srt:NaturalGasReserves


Proved
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value204050.0115380.0131360.077577.096122.0
Percentage of ProvedDevelopedReservesVolume2517.91713.71621.02340.22384.0

srt:OilReserves


Proved
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value85007.072016.085530.037460.045753.0
Percentage of ProvedDevelopedReservesVolume1049.01069.61055.41130.01134.7

srt:ProvedUndevelopedReserveBOE1 us-gaap:ReserveQuantitiesByTypeOfReserve

srt:ProvedUndevelopedReserveBOE1

talo:OilEquivalent


Proved
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value35913.043756.036211.046921.037897.0
Percentage of ProvedUndevelopedReserveBOE1100.0100.0100.0100.0100.0

srt:ProvedUndevelopedReserveVolume us-gaap:ReserveQuantitiesByTypeOfReserve

srt:ProvedUndevelopedReserveVolume

srt:NaturalGasLiquidsReserves


Proved
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2754.02248.02592.03232.02204.0
Percentage of ProvedUndevelopedReserveVolume100.0100.0100.0100.0100.0

srt:NaturalGasReserves


Proved
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value53154.040617.039660.050079.054482.0
Percentage of ProvedUndevelopedReserveVolume1930.11806.81530.11549.52472.0

srt:OilReserves


Proved
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value24300.034738.027009.035344.026613.0
Percentage of ProvedUndevelopedReserveVolume882.41545.31042.01093.61207.5

srt:StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves

srt:StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves


Standardized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value19042537334018071336602
Percentage of StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves100.0100.0100.0100.0100.0100.0

talo:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAssetRetirementObligation us-gaap:BusinessAcquisition

talo:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAssetRetirementObligation

talo:CastexEnergyTwoThousandFive


Business
Period End2020-08-05
Value3.32
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAssetRetirementObligation100.0

talo:LLOGExplorationAndProductionCompanyLimitedLiabilityCompany


Business
Period End2020-11-16
Value4.234
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAssetRetirementObligation0.0

talo:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAssetRetirementObligation us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

talo:LLOGExplorationAndProductionCompanyLimitedLiabilityCompany


Business
Period End2020-11-16
Value4.234
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAssetRetirementObligation0.0

talo:CarryingAmountNetAssetLiability us-gaap:FinancialInstrument

talo:CarryingAmountNetAssetLiability

talo:OilAndNaturalGasSwaps


Carrying
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value-156.941-67.8141.5340195-11.594467.896-31.63774-198.338-185.755-66.83
Percentage of CarryingAmountNetAssetLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

talo:DebtInstrumentAdditionalPrincipalAmountIssued us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

talo:DebtInstrumentAdditionalPrincipalAmountIssued

talo:TwelvePercentSecondPrioritySeniorSecuredNotesDueJanuaryTwoThousandTwentySix, us-gaap:SeniorNotes, us-gaap:SubsequentEvent


Debt
Period End2021-01-14
Value150
Percentage of DebtInstrumentAdditionalPrincipalAmountIssued100.0

talo:DebtInstrumentMaximumBorrowings us-gaap:DebtInstrument

talo:DebtInstrumentMaximumBorrowings

talo:TwelvePercentSecondPrioritySeniorSecuredNotesDueJanuaryTwoThousandTwentySix


Debt
Period End2021-01-14
Value550
Percentage of DebtInstrumentMaximumBorrowings100.0

talo:DebtInstrumentMaximumBorrowings us-gaap:DebtInstrument, us-gaap:SubsequentEventType

talo:TwelvePercentSecondPrioritySeniorSecuredNotesDueJanuaryTwoThousandTwentySix, us-gaap:SubsequentEvent


Debt
Period End2021-01-14
Value550
Percentage of DebtInstrumentMaximumBorrowings100.0

talo:DebtInstrumentSpringPrincipalAmount us-gaap:DebtInstrument

talo:DebtInstrumentSpringPrincipalAmount

talo:BankCreditFacilityMaturesMayTwoThousandTwentyTwo


Debt
Period End2020-09-30
Value25
Percentage of DebtInstrumentSpringPrincipalAmount100.0

talo:DeferredTaxAssetsAssetRetirementObligations

talo:DeferredTaxAssetsAssetRetirementObligations


Deferred
Period End2020-12-312019-12-312018-12-31
Value1068995
Percentage of DeferredTaxAssetsAssetRetirementObligations100.0100.0100.0

talo:DeferredTaxAssetsOperatingLeaseLiabilities

talo:DeferredTaxAssetsOperatingLeaseLiabilities


Deferred
Period End2020-12-312019-12-312018-12-31
Value4904000.02317000.02509000.0
Percentage of DeferredTaxAssetsOperatingLeaseLiabilities100.0100.0100.0

talo:DeferredTaxAssetsOtherWellEquipmentInventory

talo:DeferredTaxAssetsOtherWellEquipmentInventory


Deferred
Period End2020-12-312019-12-312018-12-31
Value9.471012
Percentage of DeferredTaxAssetsOtherWellEquipmentInventory100.0100.0100.0

talo:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedBonus

talo:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedBonus


Deferred
Period End2020-12-312019-12-312018-12-31
Value3069000.03753000.04042000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedBonus100.0100.0100.0

talo:DeferredTaxLiabilitiesOperatingLeaseAssets

talo:DeferredTaxLiabilitiesOperatingLeaseAssets


Deferred
Period End2020-12-312019-12-31
Value1652000.01814000.0
Percentage of DeferredTaxLiabilitiesOperatingLeaseAssets100.0100.0

talo:DerivativeWeightedAverageStrikePriceCallOptions dei:EntityListingsExchange, us-gaap:Energy, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument

talo:DerivativeWeightedAverageStrikePriceCallOptions

talo:NYMEXHenryHub, srt:NaturalGasPerThousandCubicFeet, talo:AprilTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, talo:Collar


Derivative
Period End2021-03-31
Value3.1
Percentage of DerivativeWeightedAverageStrikePriceCallOptions100.0

talo:DerivativeWeightedAverageStrikePriceCallOptions us-gaap:Energy, us-gaap:StatementGeographical, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument

srt:CrudeOil, talo:WestTexasIntermediate, talo:AprilTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, talo:Collar


Derivative
Period End2021-03-31
Value40.0
Percentage of DerivativeWeightedAverageStrikePriceCallOptions1290.3

srt:CrudeOil, talo:WestTexasIntermediate, talo:JanuaryTwoThousandTwentyOneToDecemberTwoThousandTwentyOneProduction, talo:Collar


Derivative
Period End2020-12-31
Value40.0
Percentage of DerivativeWeightedAverageStrikePriceCallOptions0.0

srt:CrudeOil, talo:WestTexasIntermediate, talo:OctoberTwoThousandAndTwentyToDecemberTwoThousandTwentyProduction, talo:Collar


Derivative
Period End2020-09-30
Value57.09
Percentage of DerivativeWeightedAverageStrikePriceCallOptions0.0

talo:DerivativeWeightedAverageStrikePricePutOptions dei:EntityListingsExchange, us-gaap:Energy, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument

talo:DerivativeWeightedAverageStrikePricePutOptions

talo:NYMEXHenryHub, srt:NaturalGasPerThousandCubicFeet, talo:AprilTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, talo:Collar


Derivative
Period End2021-03-31
Value2.5
Percentage of DerivativeWeightedAverageStrikePricePutOptions100.0

talo:DerivativeWeightedAverageStrikePricePutOptions us-gaap:Energy, us-gaap:StatementGeographical, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument

srt:CrudeOil, talo:WestTexasIntermediate, talo:AprilTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, talo:Collar


Derivative
Period End2021-03-31
Value30.0
Percentage of DerivativeWeightedAverageStrikePricePutOptions1200.0

srt:CrudeOil, talo:WestTexasIntermediate, talo:JanuaryTwoThousandTwentyOneToDecemberTwoThousandTwentyOneProduction, talo:Collar


Derivative
Period End2020-12-31
Value30.0
Percentage of DerivativeWeightedAverageStrikePricePutOptions0.0

srt:CrudeOil, talo:WestTexasIntermediate, talo:OctoberTwoThousandAndTwentyToDecemberTwoThousandTwentyProduction, talo:Collar


Derivative
Period End2020-09-30
Value50.0
Percentage of DerivativeWeightedAverageStrikePricePutOptions0.0

talo:FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlowsAfterIncomeTaxes

talo:FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlowsAfterIncomeTaxes


Future
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value24433391470226701951
Percentage of FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlowsAfterIncomeTaxes100.0100.0100.0100.0100.0

talo:FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlowsBeforeIncomeTaxes

talo:FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlowsBeforeIncomeTaxes


Future
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value25854054556426701951
Percentage of FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlowsBeforeIncomeTaxes100.0100.0100.0100.0100.0

talo:IncomeTaxRefundClaims

talo:IncomeTaxRefundClaims


Income
Period End2020-12-312019-12-31
Value1918
Percentage of IncomeTaxRefundClaims100.0100.0

talo:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour

talo:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour


Lessee
Period End2021-03-312020-09-30
Value1215
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour100.0100.0

talo:LineOfCreditFacilityLenderApprovalForAccessCapacityReductionAmount us-gaap:BusinessCombinationSeparatelyRecognizedTransactions, us-gaap:DebtInstrument

talo:LineOfCreditFacilityLenderApprovalForAccessCapacityReductionAmount

talo:CastexEnergyTwoThousandFive, talo:BankCreditFacilityMaturesMayTwoThousandTwentyTwo


Line
Period End2020-08-05
Value25
Percentage of LineOfCreditFacilityLenderApprovalForAccessCapacityReductionAmount100.0

talo:LineOfCreditReductionToBorrowingBase us-gaap:DebtInstrument, us-gaap:SubsequentEventType

talo:LineOfCreditReductionToBorrowingBase

talo:BankCreditFacilityMaturesMayTwoThousandTwentyTwo, us-gaap:SubsequentEvent


Line
Period End2021-01-31
Value25
Percentage of LineOfCreditReductionToBorrowingBase100.0

talo:PercentageOfVotingPowerHeldBySponsorsMinimum us-gaap:RelatedPartyTransactionsByRelatedParty

talo:PercentageOfVotingPowerHeldBySponsorsMinimum

us-gaap:PrincipalOwner


Percentage
Period End2021-06-30
Value10.0
Percentage of PercentageOfVotingPowerHeldBySponsorsMinimum100.0

talo:Suretyperformancebondsoutstanding us-gaap:LossContingenciesByNatureOfContingency

talo:Suretyperformancebondsoutstanding

us-gaap:SuretyBond


Suretyperformancebondsoutstandingus-gaap:
Period End2021-06-30
Value673
Percentage of Suretyperformancebondsoutstanding100.0

us-gaap:AccountsAndOtherReceivablesNetCurrent

us-gaap:AccountsAndOtherReceivablesNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1013181321366.346312823199.6867.09112
Percentage of AccountsAndOtherReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedProfessionalFeesCurrent

us-gaap:AccruedProfessionalFeesCurrent


Accrued
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value2200000.03200000.03600000.0600000.01000000.01600000.0
Percentage of AccruedProfessionalFeesCurrent100.0100.0100.0100.0100.0100.0

us-gaap:AccruedProfessionalFeesCurrent us-gaap:RelatedPartyTransactionsByRelatedParty

talo:VinsonElkinsLLP


Accrued
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-03-312018-12-312018-03-312017-12-312016-12-31
Value900000.01100000.0700000.03200000.03600000.02300000.01600000.01100000.04900000.04000000.0100000.0
Percentage of AccruedProfessionalFeesCurrent0.00.00.0100.0100.00.0100.00.00.00.00.0

us-gaap:AccruedRoyaltiesCurrent

us-gaap:AccruedRoyaltiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value4842271812243137422338422824
Percentage of AccruedRoyaltiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2020-12-312019-12-312018-12-312017-12-31
Value9200000.09900000.08700000.05900000.0
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0

us-gaap:AssetRetirementObligation

us-gaap:AssetRetirementObligation


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-31
Value456452442431432425369385393391382426414214220
Percentage of AssetRetirementObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationCurrent

us-gaap:AssetRetirementObligationCurrent


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value4745495344386163656568789439
Percentage of AssetRetirementObligationCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationsNoncurrent

us-gaap:AssetRetirementObligationsNoncurrent


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value409406392377387387308321327325313348320174
Percentage of AssetRetirementObligationsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets

talo:ILXAndCastex


Business
Period End2020-09-302020-06-302020-02-28
Value9.7396.54110
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets100.0100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets us-gaap:StatementScenario, us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

us-gaap:ScenarioAdjustment, talo:ILXAndCastex


Business
Period End2020-09-302020-06-30
Value-1.23-4.428
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssets-12.6-67.7

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables

talo:TradeAndOtherReceivables, talo:ILXAndCastex


Business
Period End2020-12-312020-09-302020-06-302020-02-28
Value8.26.95.68.2
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables100.0100.0100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables us-gaap:CounterpartyName, us-gaap:BusinessAcquisition, us-gaap:RelatedPartyTransactionsByRelatedParty

talo:WhistlerEnergyIIHoldcoLLC, talo:WhistlerEnergyIILLC, talo:ApolloFunds


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-08-31
Value1.11.11.11.11.11.11.11.11.11.12.1
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables0.00.013.415.919.60.00.00.00.00.00.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities

talo:ILXAndCastex


Business
Period End2020-09-302020-06-302020-02-28
Value158.7337.129
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities100.0100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities us-gaap:StatementScenario, us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

us-gaap:ScenarioAdjustment, talo:ILXAndCastex


Business
Period End2020-09-302020-06-30
Value7.9071.604
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities52.618.4

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther

talo:ILXAndCastex


Business
Period End2020-09-302020-06-302020-02-28
Value324144
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther100.0100.0100.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther us-gaap:StatementScenario, us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

us-gaap:ScenarioAdjustment, talo:ILXAndCastex


Business
Period End2020-09-302020-06-30
Value-12.288-3.323
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther-38.2-8.1

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment

talo:CastexEnergyTwoThousandFive


Business
Period End2020-08-05
Value46
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment100.0

talo:LLOGExplorationAndProductionCompanyLimitedLiabilityCompany


Business
Period End2020-11-16
Value17
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

talo:ILXAndCastex


Business
Period End2020-09-302020-06-302020-02-28
Value490496489
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment0.00.00.0

talo:LLOGExplorationAndProductionCompanyLimitedLiabilityCompany


Business
Period End2020-11-16
Value17
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment us-gaap:StatementScenario, us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

us-gaap:ScenarioAdjustment, talo:ILXAndCastex


Business
Period End2020-09-302020-06-30
Value0.726.58
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment0.00.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet

talo:CastexEnergyTwoThousandFive


Business
Period End2020-08-05
Value43
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet100.0

talo:LLOGExplorationAndProductionCompanyLimitedLiabilityCompany


Business
Period End2020-11-16
Value13
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet0.0

us-gaap:BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet us-gaap:BusinessCombinationSeparatelyRecognizedTransactions

talo:ILXAndCastex


Business
Period End2020-09-302020-06-302020-02-28
Value453453449
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet0.00.00.0

talo:LLOGExplorationAndProductionCompanyLimitedLiabilityCompany


Business
Period End2020-11-16
Value13
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet0.0

us-gaap:CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities

us-gaap:CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities


Capitalized
Period End2020-12-312019-12-312018-12-312017-12-31
Value2680205117091423
Percentage of CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities100.0100.0100.0100.0

us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationCumulative

us-gaap:CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationCumulative


Capitalized
Period End2021-06-302020-12-312019-12-312018-12-312017-12-31
Value25325419410872
Percentage of CapitalizedCostsOfUnprovedPropertiesExcludedFromAmortizationCumulative100.0100.0100.0100.0100.0

us-gaap:CapitalizedCostsOilAndGasProducingActivitiesGross

us-gaap:CapitalizedCostsOilAndGasProducingActivitiesGross


Capitalized
Period End2020-12-312019-12-312018-12-312017-12-31
Value5200426037372512
Percentage of CapitalizedCostsOilAndGasProducingActivitiesGross100.0100.0100.0100.0

us-gaap:CapitalizedCostsOilAndGasProducingActivitiesNet

us-gaap:CapitalizedCostsOilAndGasProducingActivitiesNet


Capitalized
Period End2020-12-312019-12-312018-12-312017-12-31
Value2520220820281088
Percentage of CapitalizedCostsOilAndGasProducingActivitiesNet100.0100.0100.0100.0

us-gaap:CapitalizedCostsProvedProperties

us-gaap:CapitalizedCostsProvedProperties


Capitalized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value51124996494548554674453840664012392537743629353234122440
Percentage of CapitalizedCostsProvedProperties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedCostsUnprovedProperties

us-gaap:CapitalizedCostsUnprovedProperties


Capitalized
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value26625425427427719417816514810810810372
Percentage of CapitalizedCostsUnprovedProperties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedCostsUnprovedProperties us-gaap:StatementGeographical

country:MX


Capitalized
Period End2020-12-312019-12-312018-12-31
Value12110645
Percentage of CapitalizedCostsUnprovedProperties47.755.041.7

us-gaap:CapitalizedCostsWellsAndRelatedEquipmentAndFacilities

us-gaap:CapitalizedCostsWellsAndRelatedEquipmentAndFacilities


Capitalized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value20201814149.1787.7329.2519.9149.9939.224109.0212.577
Percentage of CapitalizedCostsWellsAndRelatedEquipmentAndFacilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value65643432107106879089461419180143333
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractualObligation

us-gaap:ContractualObligation


Contractual
Period End2020-12-312019-12-312018-12-31
Value2.96589133
Percentage of ContractualObligation100.0100.0100.0

us-gaap:ContractualObligation us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased

talo:CommittedPurchaseOrders


Contractual
Period End2020-12-312019-12-312018-12-31
Value2.1656135
Percentage of ContractualObligation73.068.526.5

talo:VesselCommitments


Contractual
Period End2020-12-312019-12-312018-12-31
Value0.82835
Percentage of ContractualObligation27.031.526.4

us-gaap:ContractualObligation us-gaap:StatementGeographical, us-gaap:TypeOfArrangement

country:MX, talo:ProductionSharingContracts


Contractual
Period End2021-03-312020-12-312020-09-302019-12-312018-12-312018-09-302018-06-302017-12-31
Value691651659637644647569287
Percentage of ContractualObligation0.021983.10.0710.5483.00.00.00.0

us-gaap:ContractualObligationDueInNextTwelveMonths

us-gaap:ContractualObligationDueInNextTwelveMonths


Contractual
Period End2020-12-312019-12-312018-12-31
Value2.9658954
Percentage of ContractualObligationDueInNextTwelveMonths100.0100.0100.0

us-gaap:ContractualObligationDueInNextTwelveMonths us-gaap:LongTermPurchaseCommitmentByCategoryOfItemPurchased

talo:CommittedPurchaseOrders


Contractual
Period End2020-12-312019-12-312018-12-31
Value2.1656115
Percentage of ContractualObligationDueInNextTwelveMonths73.068.528.6

talo:VesselCommitments


Contractual
Period End2020-12-312019-12-312018-12-31
Value0.82835
Percentage of ContractualObligationDueInNextTwelveMonths27.031.564.7

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value10561121993100310071046746711711682672265240702
Percentage of DebtInstrumentCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

talo:BankCreditFacilityMaturesMayTwoThousandTwentyTwo, us-gaap:LineOfCredit


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value465640650650650350265
Percentage of DebtInstrumentCarryingAmount41.564.464.764.562.146.939.4

talo:BankCreditFacilityMaturesNovemberTwoThousandTwentyFour, us-gaap:LineOfCredit


Debt
Period End2021-06-302020-12-31
Value400640
Percentage of DebtInstrumentCarryingAmount37.964.4

talo:ElevenPercentSecondPriorityNotesDueAprilTwoThousandTwentyTwo, us-gaap:SeniorNotes


Debt
Period End2021-01-13
Value347
Percentage of DebtInstrumentCarryingAmount0.0

talo:ElevenPercentSecondPrioritySeniorSecuredNotesDueAprilTwoThousandTwentyTwo, us-gaap:SeniorNotes


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value347347351390390390390390390390390
Percentage of DebtInstrumentCarryingAmount35.034.734.937.352.354.954.957.358.1147.5162.9

talo:SevenPointFiveZeroPercentSeniorNotesDueMayTwoThousandTwentyTwo, us-gaap:SeniorNotes


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-05-10
Value6.066.066.066.066.066.066.066.066.1
Percentage of DebtInstrumentCarryingAmount0.60.50.60.60.60.60.80.90.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

talo:ElevenPercentSecondPriorityNotesDueAprilTwoThousandTwentyTwo, us-gaap:SeniorNotes, us-gaap:SubsequentEvent


Debt
Period End2021-01-13
Value347
Percentage of DebtInstrumentCarryingAmount0.0

us-gaap:DebtInstrumentFaceAmount us-gaap:BusinessAcquisition, us-gaap:DebtInstrument

us-gaap:DebtInstrumentFaceAmount

talo:StoneEnergyCorporation, talo:ElevenPercentSecondPrioritySeniorSecuredNotesDueAprilTwoThousandTwentyTwo


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value347347351390390390390390390390390
Percentage of DebtInstrumentFaceAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument

talo:ElevenPercentSecondPrioritySeniorSecuredNotesDueAprilTwoThousandTwentyTwo


Debt
Period End2021-03-31
Value347
Percentage of DebtInstrumentFaceAmount0.0

talo:TwelvePointZeroZeroPercentSecondPrioritySeniorSecuredNotesDueJanuaryTwoThousandTwentySix


Debt
Period End2021-03-31
Value650
Percentage of DebtInstrumentFaceAmount0.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType, us-gaap:SubsequentEventType

talo:TwelvePercentSecondPrioritySeniorSecuredNotesDueJanuaryTwoThousandTwentySix, us-gaap:SeniorNotes, us-gaap:SubsequentEvent


Debt
Period End2021-01-04
Value500
Percentage of DebtInstrumentFaceAmount0.0

us-gaap:DebtInstrumentFaceAmount us-gaap:DebtInstrument, us-gaap:SubsequentEventType

talo:BankCreditFacilityMaturesMayTwoThousandTwentyTwo, us-gaap:SubsequentEvent


Debt
Period End2021-01-14
Value25
Percentage of DebtInstrumentFaceAmount0.0

us-gaap:DebtInstrumentRepurchaseAmount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentRepurchaseAmount

talo:ElevenPercentSecondPriorityNotesDueAprilTwoThousandTwentyTwo, us-gaap:SeniorNotes


Debt
Period End2020-12-312020-09-302020-06-302020-06-15
Value6.45.82.037
Percentage of DebtInstrumentRepurchaseAmount100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value73717.8029.22101313141416174.442
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtLongtermAndShorttermCombinedAmount

us-gaap:DebtLongtermAndShorttermCombinedAmount


Debt
Period End2021-06-302020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value982985732697697666655654628697
Percentage of DebtLongtermAndShorttermCombinedAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtWeightedAverageInterestRate us-gaap:DebtInstrument

us-gaap:DebtWeightedAverageInterestRate

talo:BankCreditFacilityMaturesNovemberTwoThousandTwentyFour


Debt
Period End2021-06-30
Value3.55
Percentage of DebtWeightedAverageInterestRate100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-31
Value177220202
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0

us-gaap:DeferredTaxAssetsDerivativeInstruments

us-gaap:DeferredTaxAssetsDerivativeInstruments


Deferred
Period End2020-12-312019-12-31
Value162.794
Percentage of DeferredTaxAssetsDerivativeInstruments100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value3542732784.023
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsDomestic

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsDomestic


Deferred
Period End2020-12-312019-12-312018-12-31
Value133131117
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsDomestic100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsForeign

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsForeign


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value452.3162.3034.023
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsForeign100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal


Deferred
Period End2020-12-312019-12-312018-12-31
Value252423
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-31
Value7727000.07004000.0
Percentage of DeferredTaxAssetsOther100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-31
Value522000.0449000.012000.0
Percentage of DeferredTaxAssetsTaxCreditCarryforwards100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts

us-gaap:DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts


Deferred
Period End2020-12-312019-12-31
Value1765000.03752000.0
Percentage of DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts100.0100.0

us-gaap:DeferredTaxLiabilitiesPrepaidExpenses

us-gaap:DeferredTaxLiabilitiesPrepaidExpenses


Deferred
Period End2020-12-312019-12-312018-12-31
Value3216000.03419000.03371000.0
Percentage of DeferredTaxLiabilitiesPrepaidExpenses100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-31
Value170211179
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0

us-gaap:DerivativeAssets us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:DerivativeAssets

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, talo:OilAndNaturalGasSwapsAndCostlessCollars


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.0813.8437.82143742018.393
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssets us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, talo:OilAndNaturalGasSwapsAndCostlessCollars


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.0813.8437.82143742018.393
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssets us-gaap:FinancialInstrument

talo:OilAndNaturalGasDerivatives


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.0813.8437.82143742018.393502913751.908
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0

us-gaap:DerivativeAssetsCurrent

us-gaap:DerivativeAssetsCurrent


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.0391.726.87638721928.39343239.655750.3140.4991.563
Percentage of DerivativeAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssetsCurrent us-gaap:FinancialInstrument

talo:OilAndNaturalGasDerivatives


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.0391.726.87638721928.39343239.655750.3140.4991.563
Percentage of DerivativeAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssetsNoncurrent

us-gaap:DerivativeAssetsNoncurrent


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302017-12-31
Value42000.02123000.0945000.04458000.01409000.08794000.07820000.05508000.04150000.0199000.0234000.0345000.0
Percentage of DerivativeAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssetsNoncurrent us-gaap:FinancialInstrument

talo:OilAndNaturalGasDerivatives


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302017-12-31
Value42000.02123000.0945000.04458000.01409000.08794000.07820000.05508000.04150000.0199000.0234000.0345000.0
Percentage of DerivativeAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeCapPrice dei:EntityListingsExchange, us-gaap:Energy, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument

us-gaap:DerivativeCapPrice

talo:NYMEXHenryHub, srt:NaturalGasPerThousandCubicFeet, talo:JulyTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, talo:Collar


Derivative
Period End2021-06-30
Value3.1
Percentage of DerivativeCapPrice100.0

us-gaap:DerivativeCapPrice us-gaap:Energy, us-gaap:StatementGeographical, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument

srt:CrudeOil, talo:WestTexasIntermediate, talo:JulyTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, talo:Collar


Derivative
Period End2021-06-30
Value40.0
Percentage of DerivativeCapPrice1290.3

us-gaap:DerivativeFloorPrice dei:EntityListingsExchange, us-gaap:Energy, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument

us-gaap:DerivativeFloorPrice

talo:NYMEXHenryHub, srt:NaturalGasPerThousandCubicFeet, talo:JulyTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, talo:Collar


Derivative
Period End2021-06-30
Value2.5
Percentage of DerivativeFloorPrice100.0

us-gaap:DerivativeFloorPrice us-gaap:Energy, us-gaap:StatementGeographical, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument

srt:CrudeOil, talo:WestTexasIntermediate, talo:JulyTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, talo:Collar


Derivative
Period End2021-06-30
Value30.0
Percentage of DerivativeFloorPrice1200.0

us-gaap:DerivativeLiabilities us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:DerivativeLiabilities

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, talo:OilAndNaturalGasSwapsAndCostlessCollars


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2741607541336.18419
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilities us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument

us-gaap:FairValueMeasurementsRecurring, talo:OilAndNaturalGasSwapsAndCostlessCollars


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2741607541336.18419
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilities us-gaap:FinancialInstrument

talo:OilAndNaturalGasDerivatives


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value2741607541336.184194.58221450.5568
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.0

us-gaap:DerivativeLiabilitiesCurrent

us-gaap:DerivativeLiabilitiesCurrent


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2301336633264.286193.83218400.5517315449
Percentage of DerivativeLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilitiesCurrent us-gaap:FinancialInstrument

talo:OilAndNaturalGasDerivatives


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value2301336633264.286193.83218400.5517315449
Percentage of DerivativeLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilitiesNoncurrent

us-gaap:DerivativeLiabilitiesNoncurrent


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302017-12-31
Value44279.6258.2017.0181.8980.5110.752.4644.94253118
Percentage of DerivativeLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilitiesNoncurrent us-gaap:FinancialInstrument

talo:OilAndNaturalGasDerivatives


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302017-12-31
Value44279.6258.2017.0181.8980.5110.752.4644.94253118
Percentage of DerivativeLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeSwapTypeAverageVariablePrice dei:EntityListingsExchange, us-gaap:Energy, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument

us-gaap:DerivativeSwapTypeAverageVariablePrice

talo:NYMEXHenryHub, srt:NaturalGasPerThousandCubicFeet, talo:AprilTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, us-gaap:Swap


Derivative
Period End2021-03-31
Value2.52
Percentage of DerivativeSwapTypeAverageVariablePrice100.0

talo:NYMEXHenryHub, srt:NaturalGasPerThousandCubicFeet, talo:JanuaryTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, us-gaap:Swap


Derivative
Period End2020-12-312020-09-302020-06-302020-03-31
Value2.562.522.462.4
Percentage of DerivativeSwapTypeAverageVariablePrice0.00.00.00.0

talo:NYMEXHenryHub, srt:NaturalGasPerThousandCubicFeet, talo:JanuaryTwoThousandAndTwentyThreeToJuneTwoThousandTwentyThreeProduction, us-gaap:Swap


Derivative
Period End2020-12-31
Value2.61
Percentage of DerivativeSwapTypeAverageVariablePrice0.0

talo:NYMEXHenryHub, srt:NaturalGasPerThousandCubicFeet, talo:JanuaryTwoThousandAndTwentyTwoToDecemberTwoThousandTwentyTwoProduction, us-gaap:Swap


Derivative
Period End2021-03-312020-12-312020-09-302020-06-30
Value2.622.62.522.41
Percentage of DerivativeSwapTypeAverageVariablePrice104.00.00.00.0

talo:NYMEXHenryHub, srt:NaturalGasPerThousandCubicFeet, talo:JanuaryTwoThousandTwentyThreeToJuneTwoThousandTwentyThreeProduction, us-gaap:Swap


Derivative
Period End2021-03-31
Value2.61
Percentage of DerivativeSwapTypeAverageVariablePrice103.6

talo:NYMEXHenryHub, srt:NaturalGasPerThousandCubicFeet, talo:OctoberTwoThousandAndTwentyToDecemberTwoThousandTwentyProduction, us-gaap:Swap


Derivative
Period End2020-09-30
Value2.29
Percentage of DerivativeSwapTypeAverageVariablePrice0.0

us-gaap:DerivativeSwapTypeAverageVariablePrice us-gaap:Energy, us-gaap:StatementGeographical, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument

srt:CrudeOil, talo:LouisianaLightSweet, talo:AprilTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, us-gaap:Swap


Derivative
Period End2021-03-31
Value41.06
Percentage of DerivativeSwapTypeAverageVariablePrice1629.4

srt:CrudeOil, talo:LouisianaLightSweet, talo:JanuaryTwoThousandTwentyOneToDecemberTwoThousandTwentyOneProduction, us-gaap:Swap


Derivative
Period End2020-12-31
Value38.83
Percentage of DerivativeSwapTypeAverageVariablePrice0.0

srt:CrudeOil, talo:WestTexasIntermediate, talo:AprilTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, us-gaap:Swap


Derivative
Period End2021-03-31
Value44.89
Percentage of DerivativeSwapTypeAverageVariablePrice1781.3

srt:CrudeOil, talo:WestTexasIntermediate, talo:JanuaryTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, us-gaap:Swap


Derivative
Period End2020-09-302020-06-302020-03-31
Value42.7742.3745.9
Percentage of DerivativeSwapTypeAverageVariablePrice0.00.00.0

srt:CrudeOil, talo:WestTexasIntermediate, talo:JanuaryTwoThousandAndTwentyThreeToDecemberTwoThousandTwentyThreeProduction, us-gaap:Swap


Derivative
Period End2021-03-31
Value53.33
Percentage of DerivativeSwapTypeAverageVariablePrice2116.3

srt:CrudeOil, talo:WestTexasIntermediate, talo:JanuaryTwoThousandAndTwentyTwoToDecemberTwoThousandTwentyTwoProduction, us-gaap:Swap


Derivative
Period End2021-03-312020-12-312020-09-30
Value47.2244.4544.59
Percentage of DerivativeSwapTypeAverageVariablePrice1873.80.00.0

srt:CrudeOil, talo:WestTexasIntermediate, talo:JanuaryTwoThousandTwentyOneToDecemberTwoThousandTwentyOneProduction, us-gaap:Swap


Derivative
Period End2020-12-31
Value43.2
Percentage of DerivativeSwapTypeAverageVariablePrice0.0

srt:CrudeOil, talo:WestTexasIntermediate, talo:OctoberTwoThousandAndTwentyToDecemberTwoThousandTwentyProduction, us-gaap:Swap


Derivative
Period End2020-09-30
Value43.29
Percentage of DerivativeSwapTypeAverageVariablePrice0.0

us-gaap:DerivativeSwapTypeFixedPrice dei:EntityListingsExchange, us-gaap:Energy, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument

us-gaap:DerivativeSwapTypeFixedPrice

talo:NYMEXHenryHub, srt:NaturalGasPerThousandCubicFeet, talo:JanuaryTwoThousandAndTwentyTwoToDecemberTwoThousandTwentyTwoProduction, us-gaap:Swap


Derivative
Period End2021-06-30
Value2.69
Percentage of DerivativeSwapTypeFixedPrice100.0

talo:NYMEXHenryHub, srt:NaturalGasPerThousandCubicFeet, talo:JanuaryTwoThousandTwentyThreeToJuneTwoThousandTwentyThreeProduction, us-gaap:Swap


Derivative
Period End2021-06-30
Value2.61
Percentage of DerivativeSwapTypeFixedPrice97.0

talo:NYMEXHenryHub, srt:NaturalGasPerThousandCubicFeet, talo:JulyTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, us-gaap:Swap


Derivative
Period End2021-06-30
Value2.5
Percentage of DerivativeSwapTypeFixedPrice92.9

us-gaap:DerivativeSwapTypeFixedPrice us-gaap:Energy, us-gaap:StatementGeographical, us-gaap:DerivativeInstrumentRisk, us-gaap:FinancialInstrument

srt:CrudeOil, talo:LouisianaLightSweet, talo:JulyTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, us-gaap:Swap


Derivative
Period End2021-06-30
Value42.0
Percentage of DerivativeSwapTypeFixedPrice1561.3

srt:CrudeOil, talo:WestTexasIntermediate, talo:JanuaryTwoThousandAndTwentyThreeToDecemberTwoThousandTwentyThreeProduction, us-gaap:Swap


Derivative
Period End2021-06-30
Value54.07
Percentage of DerivativeSwapTypeFixedPrice2010.0

srt:CrudeOil, talo:WestTexasIntermediate, talo:JanuaryTwoThousandAndTwentyTwoToDecemberTwoThousandTwentyTwoProduction, us-gaap:Swap


Derivative
Period End2021-06-30
Value48.62
Percentage of DerivativeSwapTypeFixedPrice1807.4

srt:CrudeOil, talo:WestTexasIntermediate, talo:JulyTwoThousandAndTwentyOneToDecemberTwoThousandAndTwentyOneProduction, us-gaap:Swap


Derivative
Period End2021-06-30
Value45.45
Percentage of DerivativeSwapTypeFixedPrice1689.6

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardDate, us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

talo:GrantDateMarchEightTwoThousandTwentyOne, us-gaap:PerformanceShares


Employee
Period End2021-03-08
Value11
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0

talo:ModificationDateMayElevenTwoThousandTwentyOne, us-gaap:PerformanceShares


Employee
Period End2021-05-11
Value9.715
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized0.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

us-gaap:PerformanceShares


Employee
Period End2020-12-312019-12-312018-12-312018-09-30
Value7.49.69.210.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized0.00.00.00.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:PlanName, us-gaap:StatementClassOfStock

talo:NewTalosEnergyLLCSeriesBUnits, talo:NewSeriesAUnits


Employee
Period End2020-12-31
Value1.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized0.0

talo:TalosEnergyLLCSeriesBUnits, talo:SeriesAUnits


Employee
Period End2020-12-31
Value3.4
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized0.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions us-gaap:TitleOfIndividual, us-gaap:AwardType, us-gaap:PlanName

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

talo:Employees, us-gaap:RestrictedStockUnitsRSU, talo:LongTermIncentivePlan


Employee
Period End2020-12-312019-12-31
Value1412
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0100.0

us-gaap:FairValueNetAssetLiability us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueNetAssetLiability

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value-274.321-156.941-67.8141.5340195-11.594467.896-31.63774-198.338-185.755-66.83
Percentage of FairValueNetAssetLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueNetAssetLiability us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Fair
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value-274.321-156.941-67.8141.5340195-11.594467.896-31.63774-198.338-185.755-66.83
Percentage of FairValueNetAssetLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueNetAssetLiability us-gaap:FinancialInstrument

talo:OilAndNaturalGasSwaps


Fair
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value-156.941-67.8141.5340195-11.594467.896-31.63774-198.338-185.755-66.83
Percentage of FairValueNetAssetLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value515662667175798386
Percentage of FinanceLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityCurrent


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value24232120191817
Percentage of FinanceLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityNoncurrent


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value27334046515662
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDue


Finance
Period End2021-03-312020-12-312020-09-30
Value748088
Percentage of FinanceLeaseLiabilityPaymentsDue100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo


Finance
Period End2021-03-312020-12-312020-09-30
Value133333
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear


Finance
Period End2021-03-312020-09-30
Value278.315
Percentage of FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount


Finance
Period End2021-03-312020-12-312020-09-30
Value171821
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent


Finance
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value21.921.921.90.2190.21921.921.90.2190.219
Percentage of FinanceLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLosses

us-gaap:FinancingReceivableAllowanceForCreditLosses


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-03-31
Value9200000.09300000.09300000.09900000.09900000.09900000.0
Percentage of FinancingReceivableAllowanceForCreditLosses100.0100.0100.0100.0100.0100.0

us-gaap:InterestPayableCurrent

us-gaap:InterestPayableCurrent


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value39209.5092010221021102110187.4548.742
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2021-03-312020-12-312020-09-30
Value4302000.04079000.04079000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear


Lessee
Period End2021-03-312020-09-30
Value3421000.0981000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear100.0100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LetterOfCredit, talo:BankCreditFacility


Letters
Period End2021-06-30
Value13
Percentage of LettersOfCreditOutstandingAmount100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:DebtInstrument

talo:BankCreditFacilityMaturesNovemberTwoThousandTwentyFour


Letters
Period End2021-06-30
Value13
Percentage of LettersOfCreditOutstandingAmount100.0

us-gaap:LettersOfCreditOutstandingAmount us-gaap:DebtInstrument, us-gaap:SubsequentEventType

talo:BankCreditFacilityMaturesMayTwoThousandTwentyTwo, us-gaap:SubsequentEvent


Letters
Period End2021-01-31
Value13
Percentage of LettersOfCreditOutstandingAmount0.0

us-gaap:LineOfCredit us-gaap:DebtInstrument

us-gaap:LineOfCredit

talo:BankCreditFacilityMaturesMayTwoThousandTwentyTwo


Line
Period End2021-03-312020-12-312020-09-302019-12-31
Value465640650350
Percentage of LineOfCredit100.0100.0100.0100.0

talo:BankCreditFacilityMaturesNovemberTwoThousandTwentyFour


Line
Period End2021-06-30
Value400
Percentage of LineOfCredit0.0

us-gaap:LineOfCredit us-gaap:DebtInstrument, us-gaap:SubsequentEventType

talo:BankCreditFacilityMaturesMayTwoThousandTwentyTwo, us-gaap:SubsequentEvent


Line
Period End2021-01-312020-02-27
Value465275
Percentage of LineOfCredit0.00.0

us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity us-gaap:CreditFacility

us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity

us-gaap:LetterOfCredit


Line
Period End2021-06-30
Value150
Percentage of LineOfCreditFacilityCurrentBorrowingCapacity100.0

us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LetterOfCredit, talo:BankCreditFacility


Line
Period End2021-03-312020-12-312020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value1313131313131515144.9
Percentage of LineOfCreditFacilityCurrentBorrowingCapacity0.00.00.00.00.00.00.00.00.00.0

us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity us-gaap:DebtInstrument

talo:BankCreditFacilityMaturesNovemberTwoThousandTwentyFour


Line
Period End2021-06-30
Value655
Percentage of LineOfCreditFacilityCurrentBorrowingCapacity436.7

us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity us-gaap:DebtInstrument, us-gaap:SubsequentEventType

talo:BankCreditFacilityMaturesNovemberTwoThousandTwentyFour, us-gaap:SubsequentEvent


Line
Period End2021-07-31
Value730
Percentage of LineOfCreditFacilityCurrentBorrowingCapacity0.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:BusinessCombinationSeparatelyRecognizedTransactions, us-gaap:DebtInstrument

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

talo:ILXAndCastex, talo:BankCreditFacilityMaturesMayTwoThousandTwentyTwo


Line
Period End2020-12-072020-06-192020-02-282020-02-272019-12-102019-12-09
Value98598511509501150950
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:DebtInstrument

talo:BankCreditFacilityMaturesNovemberTwoThousandTwentyFour


Line
Period End2021-06-302021-01-14
Value950960
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity0.00.0

us-gaap:LongTermDebtFairValue us-gaap:CreditFacility

us-gaap:LongTermDebtFairValue

talo:BankCreditFacilityMaturesMayTwoThousandTwentyTwo


Long
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value465640650650650350265
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0100.0100.0

talo:BankCreditFacilityMaturesNovemberTwoThousandTwentyFour


Long
Period End2021-06-302020-12-31
Value400640
Percentage of LongTermDebtFairValue0.0100.0

us-gaap:LongTermDebtFairValue us-gaap:DebtInstrument

talo:ElevenPercentSecondPrioritySeniorSecuredNotesDueAprilTwoThousandTwentyTwo


Long
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value355327329240401398413402362420410
Percentage of LongTermDebtFairValue55.650.450.737.0114.60.00.00.0136.70.00.0

talo:SevenPointFiveZeroPercentSeniorNotesDueMayTwoThousandTwentyTwo


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value5.0693.3335.2384.564.2363.035.035.151
Percentage of LongTermDebtFairValue0.00.70.80.70.70.51.41.9

talo:TwelvePointZeroZeroPercentSecondPrioritySeniorSecuredNotes


Long
Period End2021-06-30
Value684
Percentage of LongTermDebtFairValue0.0

talo:TwelvePointZeroZeroPercentSecondPrioritySeniorSecuredNotesDueJanuaryTwoThousandTwentySix


Long
Period End2021-03-31
Value636
Percentage of LongTermDebtFairValue136.8

us-gaap:OilAndGasJointInterestBillingReceivablesCurrent

us-gaap:OilAndGasJointInterestBillingReceivablesCurrent


Oil
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value3342506152321617353120168.39413
Percentage of OilAndGasJointInterestBillingReceivablesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value12.012.010.30.1030.10310.210.20.1230.116
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority

us-gaap:OperatingLossCarryforwards

us-gaap:DomesticCountry


Operating
Period End2020-12-312019-12-312018-12-31
Value637597557
Percentage of OperatingLossCarryforwards100.0100.0100.0

us-gaap:ForeignCountry


Operating
Period End2020-12-312019-12-312018-12-31
Value153268.97
Percentage of OperatingLossCarryforwards24.14.51.6

us-gaap:StateAndLocalJurisdiction


Operating
Period End2020-12-312019-12-312018-12-31
Value400380307
Percentage of OperatingLossCarryforwards62.963.755.1

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority, us-gaap:IncomeTaxAuthorityName

us-gaap:DomesticCountry, us-gaap:InternalRevenueServiceIRS


Operating
Period End2020-12-312019-12-312018-12-31
Value537536538
Percentage of OperatingLossCarryforwards84.489.896.5

us-gaap:OperatingLossCarryforwards us-gaap:IncomeTaxAuthority, us-gaap:TaxPeriod

us-gaap:DomesticCountry, talo:ExpirationYearTwoThousandThirtyFiveToTwoThousandThirtyEight


Operating
Period End2020-12-312019-12-31
Value537536
Percentage of OperatingLossCarryforwards84.489.8

us-gaap:DomesticCountry, talo:UnlimitedExpirationYear


Operating
Period End2020-12-312019-12-31
Value9960
Percentage of OperatingLossCarryforwards15.610.2

us-gaap:OperatingLossCarryforwardsValuationAllowance

us-gaap:OperatingLossCarryforwardsValuationAllowance


Operating
Period End2020-12-312019-12-312018-12-312017-12-31
Value17919940.0
Percentage of OperatingLossCarryforwardsValuationAllowance100.0100.0100.00.0

us-gaap:PrepaidExpenseCurrent

us-gaap:PrepaidExpenseCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value4832294445506539382738505117
Percentage of PrepaidExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentOther

us-gaap:PropertyPlantAndEquipmentOther


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value283332323231292828333332288.857
Percentage of PropertyPlantAndEquipmentOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value19.2622.7725.4625.4625.5525.639.3139.3539.3539.0344.4744.47
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value13.0413.3113.7313.7213.8814.2425.225.2125.3525.9633.8533.85
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue67.758.553.953.954.355.664.164.164.466.576.176.1

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested

us-gaap:PerformanceShares


Sharebased
Period End2021-03-312020-12-312020-09-302019-12-312018-12-312018-09-30
Value115.85.87.41010
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueNonvested100.0100.0100.0100.0100.0100.0

Line plots across dimensions of each concept


TTM Greenblatt ROC
_
(None,)
T T M  Greenblatt  R O C_
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax
us-gaap:ProductOrService
(None,)
Revenue From Contract With Customer Including Assessed Taxus-gaap: Product Or Service
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:LongTermDebt
us-gaap:CreditFacility
(None,)
Long Term Debtus-gaap: Credit Facility
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents
(None,)
Stock Issued During Period Value New Issuesus-gaap: Statement Equity Components
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents
(None,)
Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Valueus-gaap: Statement Equity Components
us-gaap:DebtInstrumentInterestRateStatedPercentage
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
(None, 'us-gaap:SeniorNotes')
Debt Instrument Interest Rate Stated Percentageus-gaap: Debt Instrument, us-gaap: Longterm Debt Type
us-gaap:DebtInstrumentInterestRateStatedPercentage
us-gaap:DebtInstrument
(None,)
Debt Instrument Interest Rate Stated Percentageus-gaap: Debt Instrument
us-gaap:DebtInstrumentInterestRateStatedPercentage
us-gaap:BusinessAcquisition, us-gaap:DebtInstrument
('talo:StoneEnergyCorporation', None)
Debt Instrument Interest Rate Stated Percentageus-gaap: Business Acquisition, us-gaap: Debt Instrument