CNX


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:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
us-gaap:ProductOrService
us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostsAndExpenses

us-gaap:GainsLossesOnExtinguishmentOfDebt
us-gaap:DebtInstrument

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestExpense
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:InterestExpenseDebt

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NonoperatingIncomeExpense

us-gaap:OperatingExpenses
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherIncome

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:ProductOrService
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ProductOrService

us-gaap:Revenues
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:MajorCustomers, us-gaap:ProductOrService

us-gaap:Assets
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:FairValueByMeasurementBasis

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent
us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:InventoryNet

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:Goodwill
us-gaap:BusinessAcquisition

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssets

us-gaap:AccountsPayableCurrent

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:LongTermDebt
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:DebtInstrument
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:FairValueByMeasurementBasis

us-gaap:LongTermDebtNoncurrent

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

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:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

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:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:AmortizationOfFinancingCosts

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationDepletionAndAmortization
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInInventories

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividends

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:ValuationAllowanceByDeferredTaxAsset

us-gaap:LitigationReserveCurrent

cnx:AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCall
us-gaap:StatementEquityComponents
us-gaap:DebtInstrument
cnx:DebtInstrumentPurchaseofOutstandingDebt
us-gaap:DebtInstrument, us-gaap:SubsequentEventType
us-gaap:StatementScenario, us-gaap:DebtInstrument, us-gaap:SubsequentEventType

cnx:EPDepreciationDepletionandAmortization

cnx:EffectiveIncomeTaxRateReconciliationDeductionStateApportionmentRateChangesAmount

cnx:ExplorationProductionCostsAndOtherOperatingExpenses

cnx:NetProceedsfromRevolverMLP

cnx:OtherRevenueAndOperatingIncome
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

cnx:PaymentsOnLongTermNotesIncludingRedemptionPremium

cnx:ProductionRoyaltyInterestsandPurchasedGasCosts

cnx:RevenuesAndGainLossOnHedgingActivity

cnx:SegmentReportingCapitalExpenditures
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

cnx:StockholdersEquityMergerRelatedAdjustments
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:StatementEquityComponents
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:AmortizationOfDebtDiscountPremium
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationAcquisitionRelatedCosts
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferred1

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNonmonetaryNotionalAmountVolume

us-gaap:GainLossOnDispositionOfAssets1

us-gaap:GainLossOnOilAndGasHedgingActivity
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:Energy, us-gaap:DerivativeInstrumentRisk
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:DerivativeInstrumentRisk
us-gaap:Energy, us-gaap:DerivativeInstrumentRisk

us-gaap:GainLossOnSaleOfCommodityContracts
us-gaap:Energy, us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentRisk
us-gaap:GainLossOnSaleOfDerivatives

us-gaap:GainLossOnSaleOfOtherAssets

us-gaap:GoodwillImpairmentLoss

us-gaap:IncomeLossFromEquityMethodInvestments
us-gaap:ConsolidationItems
us-gaap:ValuationAllowanceByDeferredTaxAsset
us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance

us-gaap:IncreaseDecreaseCashCollateralFromCounterparties

us-gaap:IncreaseDecreaseInAccountsAndNotesReceivable

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes

us-gaap:IncreaseDecreaseInIncomeTaxes

us-gaap:IncreaseDecreaseInInterestPayableNet

us-gaap:IncreaseDecreaseInOtherAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInPrepaidExpense

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:InterestExpenseDebtExcludingAmortization

us-gaap:MinorityInterestPeriodIncreaseDecrease
us-gaap:StatementEquityComponents

us-gaap:OperatingLeaseExpense

us-gaap:OtherAmortizationOfDeferredCharges

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherExpenses

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherOperatingIncome
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:PaymentsOfFinancingCosts

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:ProceedsFromConvertibleDebt

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfOtherLongTermDebt

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt

us-gaap:ProceedsFromSaleOfProductiveAssets

us-gaap:ProductionTaxExpense
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:ProvisionForDoubtfulAccounts

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RepaymentsOfOtherDebt

us-gaap:RepaymentsOfOtherLongTermDebt

us-gaap:ResultsOfOperationsGeneralAndAdministrativeRelatedToOilAndGasProducingActivities

us-gaap:ResultsOfOperationsImpairmentOfOilAndGasProperties
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensationForfeited
us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockAcquiredAverageCostPerShare
us-gaap:DerivativeInstrumentRisk
us-gaap:UnrealizedGainLossOnDerivatives

us-gaap:UnrealizedGainLossOnDerivativesAndCommodityContracts
us-gaap:Energy, us-gaap:DerivativeInstrumentRisk
us-gaap:ConsolidatedEntities, us-gaap:StatementScenario, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:SubsequentEventType
us-gaap:VariableInterestEntityOwnershipPercentage

cnx:AccruedTransportationCharges

cnx:CapitalizedCostsOtherGasAssets
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
cnx:DebtConversionConvertedInstrumentAmountDifference
us-gaap:CreditFacility, us-gaap:SubsequentEventType
cnx:DebtInstrumentBorrowingBase

cnx:DeferredTaxAssetsGasWellClosing

cnx:DeferredTaxAssetsOperatingLeaseRightOfUse

cnx:DeferredTaxLiabilitiesAdvanceRoyalties

cnx:DeferredTaxLiabilitiesDeferredExpenseDebtDiscount

cnx:DrillingCost

cnx:ExploratoryWellsDrilledButUncompleted
us-gaap:ReportingUnit
cnx:FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCostsCapital
us-gaap:ReportingUnit
cnx:FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCostsCapitalPresentValueOnDiscountedBasis

cnx:GasAndOilAcreageUnprovedNet

cnx:GasGatheringSystemsNet

cnx:GasWellsAndRelatedEquipment
us-gaap:CreditFacility
cnx:LettersOfCreditAmountOutstanding

cnx:NetDevelopmentWellsDrilledButUncompleted

cnx:NetDevelopmentalWellsCompletedAwaitingTieInToProduction

cnx:OtherGasAssets

cnx:ProvedDevelopedandUndevelopedReserveReservesReportedForMoreThanFiveYearsEnergy

cnx:SurfaceLandAndOtherEquipment

cnx:TotalAcreageGross

cnx:TotalAcreageNet

cnx:TotalDeferredCreditsAndOtherLiabilities

cnx:UnprovedAcreageGross

cnx:Valuationallowanceonforeigntaxcredits

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows

srt:GasAndOilAreaDevelopedGross

srt:GasAndOilAreaDevelopedNet

srt:GasAndOilAreaUndevelopedGross

srt:GasAndOilAreaUndevelopedNet

srt:OilAndGasDeliveryCommitmentsAndContractsRemainingContractualVolume
cnx:ProducingWellsInterest
srt:ProductiveGasWellsNumberOfWellsGross
cnx:ProducingWellsInterest
srt:ProductiveGasWellsNumberOfWellsNet
cnx:ProducingWellsInterest
srt:ProductiveOilWellsNumberOfWellsGross

srt:ProvedDevelopedAndUndevelopedReserveNetEnergy
us-gaap:Energy
us-gaap:Energy
srt:ProvedDevelopedAndUndevelopedReservesNet

srt:ProvedDevelopedReservesBOE1
us-gaap:Energy
srt:ProvedDevelopedReservesVolume

srt:ProvedUndevelopedReserveBOE1
us-gaap:Energy
srt:ProvedUndevelopedReserveVolume

srt:StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves

us-gaap:AccountsReceivableGrossCurrent
us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent

us-gaap:AccruedBonusesCurrent

us-gaap:AccruedLiabilitiesAndOtherLiabilities

us-gaap:AccruedRoyaltiesCurrentAndNoncurrent

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax
us-gaap:PropertyPlantAndEquipmentByType
us-gaap:AdvancesForGasExplorationDevelopmentAndProductionAmount
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:AllowanceForDoubtfulAccountsReceivable
us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType
us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent
us-gaap:StatementEquityComponents
us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestTax

us-gaap:AssetRetirementObligation

us-gaap:AssetRetirementObligationCurrent

us-gaap:AssetRetirementObligationsNoncurrent

us-gaap:CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities

us-gaap:CapitalizedCostsOilAndGasProducingActivitiesGross

us-gaap:CapitalizedCostsOilAndGasProducingActivitiesNet

us-gaap:CapitalizedCostsSupportEquipmentAndFacilities

us-gaap:CapitalizedCostsWellsAndRelatedEquipmentAndFacilities

us-gaap:CapitalizedExploratoryWellCosts
us-gaap:StatementBusinessSegments

us-gaap:DebtInstrumentCarryingAmount
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:DebtInstrumentFaceAmount
cnx:DebtInstrumentIssuancePeriod, us-gaap:DebtInstrument, us-gaap:SubsidiarySaleOfStock
us-gaap:DebtInstrumentInterestRateEffectivePercentage
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:DebtInstrumentUnamortizedDiscount
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:DebtInstrumentUnamortizedDiscountCurrent
us-gaap:DebtInstrument
cnx:DebtInstrumentIssuancePeriod, us-gaap:DebtInstrument, us-gaap:SubsidiarySaleOfStock
us-gaap:DebtInstrumentUnamortizedPremium
us-gaap:DebtInstrument
us-gaap:DebtInstrumentUnamortizedPremiumCurrent

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsDomestic

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxLiabilitiesDerivatives

us-gaap:DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DefinedBenefitPensionPlanLiabilitiesCurrent

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax

us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationWeightedAverageInterestCreditingRate

us-gaap:DefinedBenefitPlanBenefitObligation

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation
us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DerivativeAssets

us-gaap:DerivativeAssetsCurrent
us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeAssetsNoncurrent
us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeLiabilitiesCurrent
us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeLiabilitiesNoncurrent
us-gaap:DerivativeInstrumentRisk
us-gaap:Energy, us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNonmonetaryNotionalAmount
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNotionalAmount

us-gaap:EmployeeRelatedLiabilitiesCurrentAndNoncurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EquityMethodInvestments
us-gaap:ConsolidationItems

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization

us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FiniteLivedCustomerRelationshipsGross

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:GasPurchasePayableCurrent

us-gaap:GuaranteeObligationsMaximumExposure

us-gaap:IncomeTaxesReceivable
us-gaap:ConsolidationItems

us-gaap:InterestPayableCurrent
us-gaap:ConsolidationItems
us-gaap:InvestmentsAndCash

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
dei:LegalEntity, us-gaap:CreditFacility
us-gaap:LineOfCredit
us-gaap:CreditFacility
dei:LegalEntity, us-gaap:CreditFacility
us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity
dei:LegalEntity, us-gaap:CreditFacility
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:CreditFacility

us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
dei:LegalEntity, us-gaap:Ownership
us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners
dei:LegalEntity, us-gaap:Ownership
us-gaap:MinorityInterestOwnershipPercentageByParent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OtherAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:OtherAssetsMiscellaneousNoncurrent

us-gaap:OtherReceivablesGrossCurrent

us-gaap:OtherReceivablesNetCurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

us-gaap:PrepaidExpenseCurrent

us-gaap:ProvedOilAndGasPropertySuccessfulEffortMethod
us-gaap:ConsolidationItems, us-gaap:Range, us-gaap:StatementBusinessSegments
us-gaap:ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent

us-gaap:RevenueRemainingPerformanceObligation
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:SharePrice

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
us-gaap:SubsequentEventType

us-gaap:UnamortizedDebtIssuanceExpense
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
us-gaap:ConsolidatedEntities, us-gaap:StatementScenario, us-gaap:LimitedPartnersCapitalAccountByClass, us-gaap:SubsequentEventType
us-gaap:UnitsOfPartnershipInterestAmount
us-gaap:StatementScenario, us-gaap:LimitedPartnersCapitalAccountByClass, us-gaap:SubsequentEventType, us-gaap:VariableInterestEntitiesByClassificationOfEntity

us-gaap:UnprovedOilAndGasPropertySuccessfulEffortMethod
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary
us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary
us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary
us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased
us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount
us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased
us-gaap:UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears

us-gaap:ValuationAllowancesAndReservesBalance
us-gaap:ValuationAllowancesAndReservesType

Plots across concepts


IncomeStatement
Net Income Loss
Expenses
Income Tax Expense Benefit
Balance Sheet
Cash And Cash Equivalents At Carrying Value
Assets
Inventory Net
Current Assets
Inventory Net
NonCurrent Assets
Operating Lease Right Of Use Asset
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Operating Lease Liability
Current Liabilities
Contract With Customer Liability Current
Noncurrent Liabilities
Operating Lease Liability Noncurrent
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Income Loss
NetCashProvidedByUsedInOperatingActivities
Net Income Loss
NetCashProvidedByUsedInInvestingActivities
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Diluted Shares Outstanding
OperatingLeaseLiability
Operating Lease Liability Noncurrent
NonoperatingIncomeExpense
Nonoperating Income Expense
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Year Four
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization
AccountsReceivable
Accounts Receivable Gross Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ▆▆▆▇▁▁▁▁▁▃▃▄▅▆▇███████████████████████▇▇▇▇▇2.1912.2072.2082.2491.8781.8741.871.871.8791.9641.992.0552.1382.192.2412.3052.3042.3042.2982.2982.2982.2972.2942.2942.2942.2912.3062.3052.3052.3012.2942.2922.2912.2892.2842.2782.2762.2752.2732.2732.2732.2732.273NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█219.897242228.670448NA198.727472187.316463186.918361NA188.430959192.780732197.475702NA212.708082218.92996224.182536NA230.080797232.198396229817.169NA231518.585229409.325229259.228NA229352.127228.928803230.446699NA230.174256230.061395230.867526NA228.876336228.72198228.318123229.934465227.654395229.252185230.124011229.31437229.163537229.138024228814.838228.169569228.092299228.081103184.348982
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▁█219.897242219.923634NA198.727472187.316463186.918361NA187.448749191.524289197.475702NA210.238509215.99149221.930165NA230.080797230.058422229817.169NA229438.612229409.325229259.228NA229036.172228.928803229.734412NA230.174256230.061395229.526033NA228.876336228.72198228.318123227.898021227.654395227.548394227.269269226.971597226.744011226.647752226350.594225.854413225.781539225.715539181.72648
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount █▁6.5250541.010543NA7.1982026.9172187.667526NA3.7767243.1185487.93257NA3.3726623.2280533.54455NA9.1057514.6419968.988979NA5.4548838.8458787.150863NA5.2392536.0765562.722254NA6.4842446.7153470.359488NA6.7756246.9143948.665061NA8.0784133.0176491.687475NA1.1757260.989571157.937NA0.8191890.824709827.437
us-gaap:EarningsPerShareBasic ▂▅▅▃▃▂▂▅▅▄▅▅▄▇▆▄▅▄▃▄▂▄▄▅▁▅▅▄▄▅█▄▄▄▅▄▅▅▅▅▅▅▅▅▅▅-1.610.450.88-1.03-0.78-1.76-1.450.620.85-0.440.510.590.192.381.2-0.110.74-0.17-1.330.11-2.05-0.430.130.52-2.640.340.32-0.01-0.110.513.22-0.28-0.05-0.010.66-0.050.670.430.860.740.340.850.460.330.30.55
us-gaap:EarningsPerShareDiluted ▂▅▅▃▃▂▂▅▅▄▅▅▄▇▆▄▅▄▃▄▂▄▄▅▁▅▅▄▄▅█▄▄▄▅▄▅▅▅▅▅▅▅▅▅▅-1.610.430.87-1.03-0.78-1.76-1.450.610.84-0.440.50.590.192.351.2-0.110.73-0.17-1.330.11-2.05-0.430.130.52-2.640.340.32-0.01-0.110.53.2-0.28-0.05-0.010.65-0.050.670.420.850.730.340.840.460.330.290.54
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 EBT margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,cnx:CoalbedMethane▁█35.54339.126NA36.18535.93440.41NA41.65740.72345.53350.93349.07649.03755.07154.63849.83745.18549.428NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,cnx:Shale▁█341.944363.417NA252.254265.08325.352NA298.69NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:ComprehensiveIncomeNetOfTax ▂▄▄▃▃▂▂▄▄▃▄▄▄▆▅▃▄▃▂▄▂▃▃▄▁▄▄▄▃▄█▃▄▄▄▃▄▄▄▄▄▄-353.92398.16192.844-204.586-145.638-328.974-276.236115.579162.518-87.293101.595125.05143.826527.733278.407-22.966172.985-35.452-356.39314.192-472.986-109.87-33.33649.025-614.63859.56778.486202.15-34.090.471062.962-49.77966.5992.885202.352-57.715113.141184.904194.977216.989102.533190.783NANANANA
us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest ▂▄▄▃▃▂▃▄▄▃▄▄▄▆▅▃▄▃▂▄▂▃▃▄▁▄▄▄▃▄█▃▄▄▄▃▄▄▄▄▄-353.92398.16192.844-188.681-130.375-305.11-244.883144.001192.735-64.607129.083146.77863.206545.716267.874-22.187177.287-30.0-351.71816.44-471.807-108.756-29.41655.515-614.63859.56778.486202.15-34.090.471062.518-50.17766.3122.628202.089-57.82113.112184.904199.772216.989102.533NANANANANA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService us-gaap:NaturalGasGatheringTransportationMarketingAndProcessing▅▄▃▂▁▅▅▄▅▄▃▂▄▅█▇▅84.11477.15873.60668.8160.02583.24286.32280.19384.61479.40971.99868.90775.76786.261103.16698.76986.599NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService us-gaap:OilAndGasExplorationAndProduction▁▁▂▁▁▁█▂▂▁▁▁▁▁▄▂▆2.9292.0765.6552.1413.313.88829.486.0755.5673.2582.6323.3213.6992.3814.0934.47919.717NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CostsAndExpenses ▄▄▄▄▄▆▃▄▄▄▃▃▄▂▃▅▅▅▅▅▅▅▅▅█▆▆▆▆▆▁▇▇▇▇▇▇▇▇▇█▇▇▇▇▆318.966337.669362.525316.147307.973874.163182.035337.135371.547354.641148.48193.692371.832-263.511214.05670.176625.136786.0701.409630.152619.164635.647602.642630.3251544.169836.165855.967887.649961.091838.974-473.0441220.8441214.8711290.9391190.5481191.461242.8321308.1931304.5381321.3071489.1441214.31218.8641258.1531193.1991097.892
us-gaap:GainsLossesOnExtinguishmentOfDebt NANA-0.711-0.108-0.34411.2630.00.0-0.077-7.5370.315-15.385-23.413-15.635-0.896-2.019-0.0360.8220.00.00.00.00.00.0-0.017-67.7340.0-20.99-74.2770.00.00.00.0NA0.00.00.0NA0.00.0-16.09NA0.00.00.0NA
 us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument cnx:SeniorNotesdueApril2022NANANA-0.108-0.34411.263NA0.0-0.077-15.6350.3150.0-8.098-7.537-0.8960.0-0.036NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic ▃▅▆▄▄▃▄▆▆▄▅▆▅█▅▅▆▄▄▅▃▄▅▆▁▅▅▅▅▅▅▅▅▅▆▅▆▅▆▆▅▆▅▅▅▅-446.176135.404264.178-250.072-159.132-457.804-290.453192.862233.485-76.21105.703203.43430.292759.24-36.0521.107240.816-87.291-239.387115.426-333.364-77.133159.29183.613-895.2353.42779.698-3.033-23.721130.17934.99110.5741.809-1.299198.413-31.371211.655118.577237.67200.42298.784251.077138.45791.1496.148142.168
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic us-gaap:ConsolidationItems us-gaap:CorporateNonSegment▁█-603.463-49.873NA-342.4852.83518.29335.135-0.1090.811-2.36418.144117.83-39.628623.89716.82535.47129.07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,cnx:CoalbedMethane▁█7.33910.571NA5.7466.616.25NA8.7177.60312.89914.5559.64212.40513.11711.325.454-0.0363.608NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,cnx:Shale▁█149.948174.706NA86.667110.774133.404NA113.238NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest ▁█-354.05998.025NA-188.793-130.486-305.222-240.056143.96192.694-64.651129.415146.75661.394545.546286.035-25.651173.823-33.502-321.19562.568-234.044-43.291NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▄▆▆▄▅▃▄▆▆▅▅▆▅█▂▅▆▄▆▆▄▅▇▆▁▅▅▅▅▅▃▆▅▅▆▅▆▅▆▅▅▆▆▅▅▆-92.11737.37968.42-61.279-28.646-152.582-50.39748.90240.791-11.559-23.71256.678-31.102213.694-216.4226.75866.993-53.78981.80852.858-100.354-26.847124.96458.143-291.929-25.6036.032-1.3881.2148.489-122.95674.62314.6220.52248.773-19.89858.94521.38142.03533.09321.458.92833.99615.75725.24834.286
us-gaap:InterestExpense ▅▄▅▅▆▆▄▅▅▄▄▄▅▅▄▅▅▅▆▆▆▆▆▆▆▇▆▇█▆▇▇▇▆▆▇▇▇▇▇█████▁39.57636.37237.63337.92146.25648.99537.05138.40540.15235.77133.22235.72338.43838.55132.07641.50243.43244.43346.86747.31747.42749.86649.08248.55846.50755.12253.02555.39764.21150.93155.00156.30154.51853.37851.27254.07556.59358.1258.38158.88464.59766.48265.41966.4365.0388.145
 us-gaap:InterestExpenseDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType cnx:Convertible225SeniorNotesDue2026,us-gaap:ConvertibleDebt██▇▇▁6.0065.9155.8265.743.78NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▂▅▅▃▃▂▃▅▅▄▅▅▄▇▆▄▅▄▃▄▂▄▄▅▁▅▅▄▄▅█▄▄▄▅▄▅▅▅▅▅▅▅▅▄▅-354.05998.025195.758-204.698-145.749-329.086-271.408115.538162.477-87.337101.927125.02942.014527.563276.644-26.441169.51-38.966-306.04725.345-469.828-97.57230.405118.98-603.30179.0373.666-1.645-24.935116.003738.183-64.049-12.813-1.564149.903-11.368152.73997.196195.635167.32977.384192.149104.46175.38366.668100.269
us-gaap:NetIncomeLossAttributableToNoncontrollingInterest NANA0.015.90515.26323.86431.35328.42230.21722.68627.48821.72719.3817.983-10.5670.794.3135.4644.4132.2481.1791.1143.926.490.00.00.00.00.00.0-0.444-0.398-0.287-0.257-0.263-0.105-0.0290.00.00.00.00.00.00.04.2327.613
us-gaap:NonoperatingIncomeExpense ▁▁▁▁▁▁▂▁▁▁▁▃▁█▁▂▃▁-38.255-37.865-50.079-36.642-45.461-30.863-2.203-38.536-39.743-45.814-15.07582.107-59.146587.312-23.493-3.36288.387-40.863NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingExpenses ▃▃▃▃▂██▃▃▃▃▃▃▃▇▂▂▂▂▂▂▂▁▂▃▃▃▃▃▃▃▃▃▃280.711299.804312.446279.505262.512843.3797.239298.599331.804308.827314.677275.799312.686323.801748.538207.772201.091199.815212.023182.717217.465215.074107.154173.178271.284311.583336.226339.216347.541326.849352.455328.393329.934335.015NANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▂▂▂▁▁▂▂▂▆▂▂█▂▄▂▃▁▂▄0.1360.135-2.9140.1120.1110.112-4.8270.0410.0410.044-0.3320.0221.8120.171.7983.4643.4643.502-50.087-11.153-3.158-12.298-63.742-69.955-11.337-19.4634.82203.795-9.065-25.533324.77913.87279.1254.44952.449-46.347-39.59887.708NANANANANANANANA
us-gaap:OtherIncome █▁6.8155.884NA4.4663.7534.958NA3.317NANANANANANA-46.48741.03633.93740.69653.14732.39333.03248.13233.56838.6435.69438.06641.28840.78469.97755.05440.13942.62762.34533.852116.50834.697205.53852.96183.55221.93124.92123.21620.38129.8725.26521.991
us-gaap:OtherNonoperatingIncomeExpense ▃▃▁▄▃▃▄▃▄▄▇▄▄▆█▂▃▃-5.865-4.366-11.4-2.18-4.799-5.186-0.105-3.4390.0990.5799.759-1.105-0.5756.49313.978-8.25-5.475-4.075NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss ▂▅▅▃▃▃▃▅▅▄▅▅▄▇▆▄▅▄▃▄▂▄▄▅▁▅▅▄▄▅█▄▄▄▅▄▅▅▅▅▅▅▅▅▅▅-354.05998.025195.758-188.793-130.486-305.222-240.055143.96192.694-64.651101.927146.75661.394545.546276.644-25.651173.823-33.502-301.63127.593-468.649-96.45834.326125.47-603.30179.0373.666-1.645-24.935116.003736.797-63.651-12.526-1.821149.64-11.473152.7197.196195.635167.32977.384192.149104.46175.38370.9107.882
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterestNANA0.015.90515.26323.86431.35328.42230.21722.68627.48821.72719.3817.983-10.5670.794.3135.4644.4132.2481.1791.1143.92NANANANANANANA-0.444-0.398-0.287-0.257-0.263-0.105NANA0.00.00.00.0NANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:Parent▂▅▆▃▃▂▂▅▅▄▅▅▅█▆▄▅▄▂▄▁▄▅-354.05998.025195.758-204.698-145.749-329.086-271.409115.538162.477-87.337101.927125.02942.014527.563276.643-26.44169.51-38.966-306.04425.347-469.833-97.57230.406NANANA73.666-1.645-24.934116.003738.183-63.651-12.526-1.564149.903-11.368152.73997.196195.635167.32977.384192.149NANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▂▅▆▃▃▂▂▅▅▄▅▅▅█▆▄▅▄▂▄▁▄▅-354.05998.025195.758-204.698-145.749-329.086-271.409115.538162.477-87.337101.927125.02942.014527.563276.643-26.44169.51-38.966-306.04425.347-469.833-97.57230.406NANANA73.666-1.645-24.934116.003738.183-63.651-12.526-1.564149.903-11.368152.73997.196195.635167.32977.384192.149NANANANA
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax ▁▃▄▂▂▃▄▄▄▃▃▃▃▃▃▄▅▃▃▅▃▄▄▅▄▅▅▅▅▅▅▇▆▇▇▆▇▇▇██▇▇▇▇▇-127.21473.073626.70366.075148.841416.359504.747529.997605.032278.431431.66397.126402.124405.623460.251671.283865.952317.763390.398745.578285.8558.514696.855813.938648.939889.592857.794884.616937.37969.153772.2581231.4181216.681289.641256.7121160.0891454.4871426.771383.4311521.7291587.9281465.3771307.7691349.2931289.3471240.06
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems us-gaap:OperatingSegments▅▆▄▁▁▃▄▃▅▇█▅▄▆▄▂▂▃404.834433.775332.154230.443208.391296.259368.76312.768380.528470.61540.623375.218367.93449.932333.83247.826270.622326.742NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService us-gaap:CorporateNonSegment,us-gaap:OilAndGas█▁0.2850.152NA0.7540.00.00.00.00.00.00.00.00.00.00.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService us-gaap:CorporateNonSegment,us-gaap:OilAndGasPurchased▁█16.70633.484NA31.5410.00.00.00.00.00.00.00.00.00.00.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,us-gaap:OilAndGas,cnx:CoalbedMethane▁█36.50538.904NA25.66722.92930.723NA35.62139.63849.83560.0348.47146.88257.50151.33346.74451.973NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems,us-gaap:ProductOrService,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,us-gaap:OilAndGas,cnx:Shale▁█332.659342.169NA155.792152.627220.494NA229.183NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService cnx:NGLs▅▄▃▂▁▃▄▃▃▄▄▆▅▇█▄▃▅41.52131.86323.44715.0536.22619.41232.04418.30524.02529.76628.77946.66339.55750.88461.99333.2221.63739.283NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService srt:NaturalGasReserves▅▅▃▁▁▃▄▃▅▇█▄▄▅▃▂▃320.982347.376261.97163.054168.51229.599284.439245.815317.071403.687460.954293.864289.294347.348241.826196.285233.723NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService us-gaap:OilAndCondensate█▁6.9461.986NA4.1061.042.483NA0.931NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService us-gaap:OilAndGas▅▆▃▁▁▃▄▃▅▇█▅▅▆▄▂▃369.449381.225287.262182.213175.776251.494320.463265.051342.865435.946493.086344.712334.517405.623312.713234.442260.306NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService us-gaap:OilAndGasPurchased▃█▆▇▄▆▇▇▄▃▆▁▁▃▄▂▁16.70633.48427.46831.54120.42426.35929.84629.19218.76816.22127.4410.569.9318.05521.11713.38410.316NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService us-gaap:OilAndGasService▅▆▃▁▁▃▄▃▅▇█▅▅▆▄▂▃369.449381.225287.262182.213175.776251.494320.463265.051342.865435.946493.086344.712334.517405.623312.713234.442260.306NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Revenues ▁▃▄▂▂▃▄▄▄▃▃▃▃▄▃▄▅▄▃▅▃▄▄▅▄▅▅▅▅▅▅▇▆▇▇▆▇▇▇██▇▇▇▇▇-127.21473.073626.70366.075148.841416.359504.747529.997605.032278.431431.66397.126402.124495.729460.251671.283865.952698.709390.398745.578285.8558.514696.855813.938648.939889.592857.794884.616937.37969.153772.2581231.4181216.681289.641256.7121160.0891454.4871426.771383.4311521.7291587.9281465.3771307.7691349.2931289.3471240.06
 us-gaap:Revenues us-gaap:ConsolidationItems us-gaap:CorporateNonSegment▁█-504.69770.53NA-222.3640.00.00.00.00.00.00.00.00.00.00.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,cnx:CoalbedMethane▁█35.54339.126NA36.18535.93440.41NA41.65740.72345.53350.93349.07649.03755.07154.63849.83745.18549.428NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,cnx:Shale▁█341.944363.417NA252.254265.08325.352NA298.69NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:MajorCustomers,us-gaap:ProductOrService cnx:CitadelEnergyMarketingLLC,us-gaap:OilAndGas60.162NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Revenues us-gaap:MajorCustomers,us-gaap:ProductOrService cnx:DirectEnergyBusinessMarketingLLC,us-gaap:OilAndGas▁█35.18945.0NA35.64533.71145.656NA39.092NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ▂▂▂▂▃▃▄▄▄▃▃▃▃▂▁▃▄▄▄▄▄▆▆▆▆▇▇▇▇▇▆████████▇▇▇▇▇▇▅8072.118069.2378041.7648129.1748319.6848528.959060.8069286.2589146.6978777.3618592.178209.0368207.7588122.2296931.9138979.5689025.1929063.7699183.9819565.4949784.75710715.8710929.90211185.36611002.10111781.39611759.5311718.93511566.64711584.47511393.66712737.07212752.92812593.19412670.90912556.59412597.89612595.61112525.712163.04812201.11812223.74112070.6111721.75811688.0919874.564
us-gaap:Liabilities ▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▃▃▃▄▄▄▄▄▅▅▅▅▅▅▅▅██▇█████████3935.1793558.8273619.3273858.9983752.733884.244098.4974064.444046.7023802.5523510.4273160.2173168.8353054.3233032.0144908.3334937.6455157.435243.0935275.3275513.3275976.7826074.1266297.5166320.2066483.6696430.0726464.3366506.9896492.1886387.3788779.8968727.8688620.968717.1648759.658727.5848821.4998914.8158736.3058987.0699102.3929134.597NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▂▂▂▂▃▃▄▄▄▃▃▃▃▂▁▃▄▄▄▄▄▆▆▆▆▇▇▇▇▇▆████████▇▇▇▇8072.118069.2378041.7648129.1748319.6848528.959060.8069286.2589146.6978777.3618592.178209.0368207.7588122.2296931.9138979.5689025.1929063.7699183.9819565.4949784.75710715.8710929.90211185.36611002.10111781.39611759.5311718.93511566.64711584.47511393.66712737.07212752.92812593.19412670.90912556.59412597.89612595.61112525.712163.04812201.11812223.74112070.61NANANA
us-gaap:StockholdersEquity NANA4422.4374270.1763746.4223836.3314160.5464434.9794325.6564215.5134329.9584310.5644308.8014344.2413899.8993931.8313945.3373763.8033798.3954147.2154125.5984589.334702.0274732.9934681.8955297.7275329.4585254.5995059.6585092.2875006.2893958.1654025.6513972.5383953.7923796.7283869.9913774.1123610.8853426.7433219.1783125.8622944.477NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AssetsCurrent ▁▁▁▁▂▂▂▁▂▁▂▁▁▂▃▃▃▂▃▂▂▅▃▄▃▄▅▆▅▆▆▅▆▆▆▇▇███▅▅▅333.976277.446273.332332.239430.722586.053498.101345.726460.094364.966501.686315.335319.146406.944852.504805.283847.094616.215626.139514.915526.241146.443804.763970.461821.502932.7141166.351325.0951225.8551458.8361445.5921183.4361472.8411439.1721539.0941710.5241680.6231866.7351897.9771901.9181150.851233.641115.006NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▁▁▁▂▁▁▁▁▁▁▁▁▁▁▃▂▂▁▁▁▁▃▁▁▁▁▂▂▂▂▂▁▁▁▁▂▂▂▂▃▁▁▁▁▁█39.36529.6115.617150.13219.60731.83316.2835.48432.61123.97217.19842.67254.84682.49509.167285.708299.13561.26660.47580.24797.626426.6572.57883.01910.0315.318176.989225.563147.393314.087327.4221.08671.93825.05821.878230.958200.207287.313375.736472.52326.519127.69532.79415.58234.3131879.007
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▂▁▁▃▁▁▁▁▁▁▁▂▂▂█44.88435.36221.599156.32125.92138.02616.2835.48432.61123.97217.19842.67254.84682.49509.167NANANA46.299NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccountsReceivableNetCurrent ▂▂▂▁▁▁▂▁▂▂▄▂▂▂▂▃▃▃▃▃▂▃▃▄▃▄▄▅▄▆▅▇▅▆▇▇▇▇▇█▇█▄157.667147.714145.92975.92969.17491.477133.4896.997125.084157.908252.424147.724132.016157.605156.817193.778215.65215.329220.222163.955153.977165.941200.508237.896173.24226.991259.817299.939275.431355.606332.574436.388347.367408.35428.328457.057416.838463.258462.812503.076433.626481.229252.53NANANA
us-gaap:InventoryNet ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▃▂▂▂▂▃▃▄▃▃▃▄▄▅▅▆▆▆▇▇██▇▇▇█▇5.6987.2499.65710.0910.31710.2666.9847.52711.24216.6429.7159.72610.49910.67610.74263.18274.96569.61865.46162.62260.81877.2397.438112.95111.694105.244101.873145.372148.005156.185157.914238.348227.994217.034247.766266.539305.061284.997258.335241.691259.663287.809258.538NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:PropertyPlantAndEquipmentGross ▃▃▃▃▃▃▂▂▂▂▂▁▁▁▁▅▅▅▅▆▆▆▇▇▇▇▆▆▆▆▅██▇▇▇▆▆▆▅▇▇▇11128.49611084.35810963.99610904.83710814.03510691.51610572.00610512.29810203.4899835.1819567.4289276.88941.4269103.3519316.49513738.38813619.81913518.26113771.38813920.71513866.13714639.9915574.94615533.71615344.32715014.32614674.77714463.32814160.96713850.61813578.50916571.10416194.25115749.52315545.20415143.74414736.33914357.24614087.31913837.26315070.92315072.01614951.358NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ▄▄▄▄▄▃▃▂▂▂▁▁▁▁▃███▇▇▇▇██▇▅▅▅▅▅▄██▇▇▇▆▆▆▆▆▆▆4119.8564064.5943938.4513841.6993730.2323622.4133435.4312981.7232863.6272741.6612624.9842508.1882399.5552481.5353526.7425939.4265825.6015695.3425630.9495506.0965360.0465549.5995905.5695774.7365624.3264647.7454512.3054499.3444384.2094245.6274136.2475940.2475770.5065516.3195354.2375215.7215065.4624915.8094760.9034766.1634826.3754872.7184822.107NANANA
us-gaap:AmortizationOfIntangibleAssets ▇▇▇▇▇▇▇▇▇▇▇▇▇█▁▁▁▁1.6381.6381.6381.6381.6381.6381.6381.6381.6391.6381.6381.6381.7331.9220.00.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentNet ▃▃▃▃▃▃▃▄▃▃▃▂▂▂▁▄▄▄▄▅▅▆▇▇▇█▇▇▇▇▆██▇▇▇▇▆▆▆▇▇▇7008.647019.7647025.5457063.1387083.8037069.1037136.5757530.5757339.8627093.526942.4446768.6126772.4646621.8165789.7537798.9627794.2187986.5418140.4398414.6198609.1769090.3919669.3779758.989720.00110366.58110162.4729963.9849776.7589604.9919442.26210630.85710423.74510233.20410190.9679928.0239670.8779441.4379326.4169071.110244.54810199.29810129.251NANANA
us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures NANA16.02215.68515.15916.54916.7117.1117.63717.8618.66319.48822.34720.678197.921190.154188.649197.385190.964257.423256.167251.628237.33210.092216.583192.273152.958185.509352.187309.125291.675261.218256.097248.127222.83213.708209.273200.221182.036175.818100.95197.5293.509NANANA
us-gaap:Goodwill ▄▄▄▄▄▄████████▁323.314323.314323.314323.314323.314323.314796.359796.359796.359796.359796.359796.359796.359796.3590.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▆▆▆▆▆▆▆▆▇▇▇▇▇█▁86.81988.45790.09591.73393.37195.00996.64798.28599.923101.562103.2104.838106.476126.8590.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:FiniteLivedIntangibleAssetsNet ▁▂▂▃▄▄▅▆▇▇█86.81988.45790.09591.73393.37195.00996.64798.28599.923101.562103.2NANA126.8590.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset ▃▄▄▅▅▆▆▇▇█▁83.61893.226108.683124.329141.198159.521187.097205.647224.95243.9160.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAssetsNoncurrent ▇█▁▇█▁▁▃▃▂▃▃▃▂▂▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▄▃▆▃▃▃729.494772.02711.289733.797805.15915.9515.221292.556207.872159.178229.818204.404190.966149.57391.735185.169195.231219.454222.149228.857214.079227.396218.432245.833244.015289.828277.75244.347211.847211.428214.013204.301210.03201.234227.077235.977276.706296.925288.907535.063222.897214.055227.707NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:AccountsPayableCurrent ▁▁▁▁▁▂▂▄▄▃▃▃▂▂▂▄▃▃▃▂▂▃▃▄▆▇▇█▆▇▇▇▆▆▇▆▆▆▇▆▄▄▄118.574114.535118.185117.004148.345171.89202.553308.003305.07230.371229.806263.033186.397193.901211.161303.196265.125270.739241.616197.479171.359221.625271.394331.958442.153532.388531.973610.725504.009506.584514.58512.182461.415463.886507.982497.604472.804471.921522.003448.667351.356335.878354.011NANANA
us-gaap:ContractWithCustomerLiabilityCurrent ▆▆▆▅▁▇█▆10.9810.88910.9868.9343.42312.12313.96411.614NANA17.693NANANA11.559NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LiabilitiesCurrent ▃▁▁▁▁▁▁▂▂▂▁▁▁▁▁▃▃▃▃▄▄▆▆▇█▇▄▄▄▄▄▆▅▅▅▅▅▅▅▅▆▆▆809.195457.907441.312507.961476.524500.351528.939621.624623.245588.495522.975533.746474.991437.671441.679860.192825.713992.849940.0141070.2421151.3791584.9311680.9371867.7032096.0291907.9841147.9611246.6461083.6661170.3471119.9711573.5971487.2011346.6521387.0991333.7021272.9171399.9711388.3971302.9121544.2511636.041664.785NANANA
us-gaap:LongTermDebtCurrent █████▇▁23.09822.05522.57422.48822.4320.4510.0NANANA0.0NANANA-0.263NANANA-1.6771.8731.8442.6211.197-4.221-5.1-5.076-5.052-3.558-3.535-3.512-2.957-4.606-4.585-4.564-4.544-12.968-11.759-11.759-11.759-11.718-16.743-266.67324.783NANANA
us-gaap:OperatingLeaseLiabilityCurrent ▆▆▆▆▆▆▇▇██▁47.19852.552.57552.03252.1154.62261.6765.06166.20970.3450.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent ▂▂▂▂▂▂▂▂▂▃▃▂▂▂▂▅▅▇▆▅▄▅▄▅▅▅▁▆▅▆▁█▇█▁█▇█▁███▇204.145179.916198.773164.473162.817197.13216.581241.357244.833280.597286.172263.755227.871236.879223.407540.672543.511704.367680.348508.144479.255486.906450.893578.332543.806569.185100.284610.704554.476637.305122.902868.904798.645839.294147.067814.033744.186856.858128.247833.939836.862854.661801.991NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LongTermDebt ▁▂▃▆▅▇█2289.0682368.262424.0012600.4622563.1982660.5992754.443NANANA2378.2052184.4812330.782211.1652187.2892501.7722597.3792622.3582724.6722731.4552720.4262723.672711.7142743.5122563.7782566.7573241.4743239.733218.4483118.6873118.923128.3613128.5853128.8043129.0173140.233133.9933133.9933133.9933135.1523142.8043393.8383145.365NANANA
us-gaap:LongTermDebtNoncurrent ▂▂▂▄▃▄▅▄▄▃▂▁▂▁▁▃▄▄▅▅▅▅▅▅▃▄███▇▇▇▇▇▇▇▇▇▇▇▇▇▇2265.972346.2052401.4272577.9742540.7682640.1482754.4432640.2342618.3752430.4942378.2052184.4812330.782211.1652187.0262500.7822596.0552620.6982722.9952734.0042723.0042725.4712712.9112739.2912558.6782561.6813236.4223236.1723214.9133115.1753115.9633123.7553124.03124.243124.4733127.2623122.2343122.2343122.2343123.4343126.0613127.1653128.736NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▅█▇▄▃▄▇▇▅▄▄▁411.38503.653466.253398.878370.412376.401476.108476.968427.942387.137398.682304.342NANA44.373NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent NANA42.289NANANA38.609NANANA31.991NANANA34.748NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherLiabilitiesNoncurrent ▁▁▁▁▁▁▁▅▆▆▅▃▃▄▃▄▃▄▅▆█▆▅▅▅▅▅▄▄▄▄▃▃▄▄▄▄▄▄▅▅▅▅43.44343.74744.04140.21340.3740.49742.32160.577196.156200.114159.787106.553103.205120.671105.073125.822110.282119.048151.66172.218244.354194.406166.959148.04162.718156.57158.171121.355132.315133.036131.355103.855102.987128.316131.025138.327131.549129.483124.936159.878149.627154.748144.61NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▃▃▃▄▅▅▆▇▇█▁36.56939.96553.23566.1879.70192.463110.466122.514137.464150.7390.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA21.592NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA5.453NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA5.433NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA4.824NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA25.996NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity NANA4422.4374270.1763746.4223836.3314160.5464434.9794325.6564215.5134329.9584310.5644308.8014344.2413899.8993931.8313945.3373763.8033798.3954147.2154125.5984589.334702.0274732.9934681.8955297.7275329.4585254.5995059.6585092.2875006.2893958.1654025.6513972.5383953.7923796.7283869.9913774.1123610.8853426.7433219.1783125.8622944.477NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ▂▄▄▃▅▅▇█▇▇▇▇▇▇▁▂▂▁▁▃▃▅▆▆4136.9314510.414422.4374270.1764566.9544644.714962.3095221.8185099.9954974.8095081.7435048.8195038.9235067.9063899.8994071.2354087.5473906.3393940.8884290.1674271.434739.0884855.7764887.85NANA5329.458NANANA5006.2893957.1764025.063972.2343953.7453796.9443870.312NA3610.8853426.7433214.0493121.3492936.013NANANA
us-gaap:CommonStockValue ▆▆▆▇▁▁▁▁▁▃▃▄▅▆▇███████████████████████▇▇▇▇▇2.1912.2072.2082.2491.8781.8741.871.871.8791.9641.992.0552.1382.192.2412.3052.3042.3042.2982.2982.2982.2972.2942.2942.2942.2912.3062.3052.3052.3012.2942.2922.2912.2892.2842.2782.2762.2752.2732.2732.2732.2732.273NANANA
us-gaap:AdditionalPaidInCapital ████▂▁▁▁▁▂▂▂▃▃▃▄▄▃▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁2950.0832959.9342959.3572989.6992261.7292205.9412199.6052197.7832203.9692249.5112264.0632311.0932372.652409.4752450.3232486.0712476.5522467.9962460.8642453.2752445.842436.4362435.4972430.8342425.8222412.5872424.1022412.9762405.7282385.5452364.5922347.9732336.4172320.2232296.9082275.322262.1592250.5162234.7752219.7832207.4292194.4292178.604NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ▁▂▂▁▂▃▄▅▅▄▄▄▄▄▂▃▃▃▃▄▄▆▆▆▆██████▅▅▆▆▅▅▅▅▄▄▃▃1199.571563.3181476.0561290.4981495.1971641.0091971.6762243.1042127.6271971.8982071.8092003.8881940.5071940.8821455.8111825.5471852.0481682.5451727.7892033.8492008.5142478.4932579.8342551.7212435.6793053.4123054.152995.2383011.343055.0912964.522257.7962351.322393.5282402.5512319.532359.6092235.7762184.7372025.7941883.611832.3841680.597NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ███████████████▅▅▅▅▅▅▅▆▆▇▇▇▇▅▅▅▃▃▂▂▂▂▂▂▂▁▁▁-14.913-15.049-15.184-12.27-12.382-12.493-12.605-7.778-7.819-7.86-7.904-6.472-6.494-8.306-8.476-382.092-385.567-389.042-392.556-342.207-331.054-327.896-315.598-251.856-181.9-170.563-151.1-155.92-359.715-350.65-325.117-649.896-663.768-742.893-747.342-799.791-753.444-713.846-801.554-800.896-850.554-875.704-874.338NANANA
us-gaap:StockIssuedDuringPeriodValueNewIssues ▁█▁▁▃▁▂▁▁▁▁▁▂▃0.0024.7990.2520.1511.650.0040.3540.0490.0620.0990.0240.1260.5071.056NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▄▅▄▄▄▅▄▄█▅▄▄▄▄▁▆▅▅▅▅▅▄▄3.1787.5252.4732.5032.5666.841.8681.78123.87310.9035.485.2435.7084.91-11.16211.4689.9756.7027.6587.77110.435.6244.67NANANANANANANA15.12811.67313.17226.0699.41511.488NANA11.75911.50812.12913.446NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▄▃▄▂▅▂▅▄▅▃▄▃▄▃▃▁▃▁▃▂▂▂▂▁▄▁▅▄▆▁▃▂▅▃▃▂▄▅█▆█▄▆▆▃239.227219.648160.724223.162143.798267.387114.468305.419252.021308.652195.604239.289191.59259.34176.463178.32888.777205.11982.647162.89795.299128.442101.566110.06865.845228.3786.609293.024221.045336.10269.771195.611125.114268.28197.966162.214138.463229.486275.202456.921360.239435.244252.382373.088331.732174.11
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▇▇▇▇▇▇▇▇▇▇█▇▇▇▇█▇█▇▇█▇▇▇▇▇▇▇▇█▇▇▇▇▇▇▇▇█▇▇▇▇▁▇-121.994-118.424-75.714-102.48-122.701-138.074-198.213-327.948-327.946-293.332-309.81754.026-212.517-426.344-233.799-84.647184.167-87.642266.087-70.676-29.016320.976-113.881-209.721-352.712-319.903-116.443-199.719-389.739-335.481357.456-94.311-233.584-231.542-413.63-102.771-195.924-288.085-347.212342.779-321.083-253.008-288.644-218.594-4771.094-265.642
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▂▁▂▂▂▂▂▂▂▂▁▂▁▃▂▂▂▁▂▁▂▂▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▂▂▂▂█▆-107.711-87.461-219.7329.718-33.202-107.5794.544-4.59884.564-8.54688.739-305.489-6.717-259.673294.971-107.108-35.075-116.686-368.506-109.6-395.303-95.3461.874384.083211.442-80.138-18.74-27.089-11.954-13.954-120.877-30.36121.792-33.5586.584-28.692-29.645-29.824-24.777-353.696-140.332-87.33553.474-173.2252594.6681904.932
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▆▇▅█▆▇▆▆▆▆▆▆▆▁9.52213.763-134.722130.4-12.10521.74310.799-27.1278.6396.774-25.474-12.174-27.644-426.677NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:AmortizationOfFinancingCosts us-gaap:DebtInstrument,us-gaap:LongtermDebtType cnx:Convertible225SeniorNotesDue2026,us-gaap:ConvertibleDebt██▇▇▁0.2560.2520.2480.2450.161NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DeferredIncomeTaxExpenseBenefit ▄▆▆▄▅▄▅▆▆▅▆▆▅█▂▅▆▄█▆▄▅▇▅▁▅▅▅▅▅▅▅▅▅▅▅▅▅▄▅▅▅▅▅▅▅-92.32237.35268.407-61.278-25.683-99.7460.95948.90240.79-11.55986.44468.922-23.5213.694-185.71725.659.224-41.936193.17151.65-97.389-27.127129.65431.409-291.914-21.2-16.97-7.2455.6368.149-5.678-38.0976.6930.305-1.424-35.8532.89-2.265-53.131-7.472-15.50723.09913.657-4.3684.5153.225
us-gaap:DepreciationDepletionAndAmortization ▆▆▇▆▆▆▆▆▆▆▆▆▆▆▂▇▆▇▇▇▆▇█▇▇▇▇▇▆▆▁▇▇▇▇▇▇▇▇▇▇▇▇▇▆▆122.607128.944144.647114.464113.545129.164133.844120.459128.999125.161130.085119.585119.087124.667-2.572148.768117.069148.753156.584151.712135.221160.067191.521152.989154.497150.594155.511148.665137.899129.116-28.652169.152159.307161.315159.732153.877153.824155.347151.785159.75157.8149.062154.284161.429132.764119.186
us-gaap:IncreaseDecreaseInAccountsPayable ▅▅▄▄▄▅▃▆▆▅▅▅▅▅▆▆▅▅▄▆▄▅▄▄▂▄▁█▆▅▂▅▅▄▄▆▅▄▆▇▅▅▅▆▄▆18.508-3.807-18.844-14.153-17.812.322-61.68525.93435.308-5.96210.2285.73-5.352.15221.96921.176-1.4924.016-14.71733.127-34.294-11.487-25.204-25.774-79.882-17.72-124.36498.45836.77616.595-79.391-7.08313.004-26.474-25.32446.484-1.954-39.31246.33277.13613.9057.27915.67137.759-19.81645.225
us-gaap:IncreaseDecreaseInInventories ▅▆▆▆▆▆▆▅▅▆▆▆▆▆▅▅▆▆▆▅▆▆▅▆▆▆▆▆▆▆▆▅▅█▇█▁▇▇▄▄▇▅▄▃▇-1.525-0.411-0.433-0.2270.0513.282-0.543-3.715-5.46.927-0.011-0.773-0.177-0.066-2.28-11.7725.4834.3152.839-12.1160.4717.476-15.5121.2566.453.3717.3912.6338.181.7293.476-10.354-10.9630.73218.77338.522-73.38826.66216.644-17.972-27.72729.435-3.793-31.519-36.10822.501
us-gaap:NetCashProvidedByUsedInOperatingActivities ▄▄▃▄▂▅▂▅▄▅▃▄▃▄▃▃▁▃▁▃▂▂▂▂▁▄▁▅▄▆▁▃▂▅▃▃▂▄▅█▆█▄▆▆▃239.227219.648160.724223.162143.798267.387114.468305.419252.021308.652195.604239.289191.59259.34176.463178.32888.777205.11982.647162.89795.299128.442101.566110.06865.845228.3786.609293.024221.045336.10269.771195.611125.114268.28197.966162.214138.463229.486275.202456.921360.239435.244252.382373.088331.732174.11
us-gaap:NetIncomeLoss ▂▅▅▃▃▂▃▅▅▄▅▅▄▇▆▄▅▄▃▄▂▄▄▅▁▅▅▄▄▅█▄▄▄▅▄▅▅▅▅▅▅▅▅▄▅-354.05998.025195.758-204.698-145.749-329.086-271.408115.538162.477-87.337101.927125.02942.014527.563276.644-26.441169.51-38.966-306.04725.345-469.828-97.57230.405118.98-603.30179.0373.666-1.645-24.935116.003738.183-64.049-12.813-1.564149.903-11.368152.73997.196195.635167.32977.384192.149104.46175.38366.668100.269
us-gaap:ProfitLoss ▂▅▅▃▃▃▃▅▅▄▅▅▄▇▆▄▅▄▃▄▂▄▄▅▁▅▅▄▄▅█▄▄▄▅▄▅▅▅▅▅▅▅▅▅▅-354.05998.025195.758-188.793-130.486-305.222-240.055143.96192.694-64.651101.927146.75661.394545.546276.644-25.651173.823-33.502-301.63127.593-468.649-96.45834.326125.47-603.30179.0373.666-1.645-24.935116.003736.797-63.651-12.526-1.821149.64-11.473152.7197.196195.635167.32977.384192.149104.46175.38370.9107.882
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:NoncontrollingInterestNANA0.015.90515.26323.86431.35328.42230.21722.68627.48821.72719.3817.983-10.5670.794.3135.4644.4132.2481.1791.1143.92NANANANANANANA-0.444-0.398-0.287-0.257-0.263-0.105NANA0.00.00.00.0NANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:Parent▂▅▆▃▃▂▂▅▅▄▅▅▅█▆▄▅▄▂▄▁▄▅-354.05998.025195.758-204.698-145.749-329.086-271.409115.538162.477-87.337101.927125.02942.014527.563276.643-26.44169.51-38.966-306.04425.347-469.833-97.57230.406NANANA73.666-1.645-24.934116.003738.183-63.651-12.526-1.564149.903-11.368152.73997.196195.635167.32977.384192.149NANANANA
 us-gaap:ProfitLoss us-gaap:StatementEquityComponents us-gaap:RetainedEarnings▂▅▆▃▃▂▂▅▅▄▅▅▅█▆▄▅▄▂▄▁▄▅-354.05998.025195.758-204.698-145.749-329.086-271.409115.538162.477-87.337101.927125.02942.014527.563276.643-26.44169.51-38.966-306.04425.347-469.833-97.57230.406NANANA73.666-1.645-24.934116.003738.183-63.651-12.526-1.564149.903-11.368152.73997.196195.635167.32977.384192.149NANANANA
us-gaap:ShareBasedCompensation ▄▅▄▄▄▄▃▃█▅▄▄▄▄▁▅▅▄▅▅▅▄▄▄▄▅▅▄▅▆▄▅▆█▅▅▅▆▅▅▅▆▆▆▅▅3.1787.5252.4732.5032.5666.841.8681.78123.87310.9035.485.2435.7084.91-11.16211.4689.9756.7027.6587.77110.435.6244.6575.726.6487.4819.3637.0149.60815.8926.07311.67313.17226.0699.41511.48810.68316.25211.75911.50812.12913.44614.01313.53110.19.949
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▇▇▇▇▇▇▇▇▇▇█▇▇▇▇█▇█▇▇█▇▇▇▇▇▇▇▇█▇▇▇▇▇▇▇▇█▇▇▇▇▁▇-121.994-118.424-75.714-102.48-122.701-138.074-198.213-327.948-327.946-293.332-309.81754.026-212.517-426.344-233.799-84.647184.167-87.642266.087-70.676-29.016320.976-113.881-209.721-352.712-319.903-116.443-199.719-389.739-335.481357.456-94.311-233.584-231.542-413.63-102.771-195.924-288.085-347.212342.779-321.083-253.008-288.644-218.594-4771.094-265.642
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▃▂▂▂▃▃▄▆▆▅▆▅▅▄▃▃▃▂▁▁▁▂▃▅▆▅▆▆▇█▅█▆▇██▇▆▇▇▆▅▆▅▆▅128.958123.42992.055108.335134.852152.049228.097336.137329.227299.138322.273297.465264.174232.485182.226177.294160.348112.97847.43164.13236.28978.968127.411259.371341.766294.019318.818355.312368.286451.009300.147437.909352.028405.972423.209437.622407.953306.446384.908412.022330.663254.778332.116244.283312.281265.344
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▂▁▂▂▂▂▂▂▂▂▁▂▁▃▂▂▂▁▂▁▂▂▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▂▂▂▂█▆-107.711-87.461-219.7329.718-33.202-107.5794.544-4.59884.564-8.54688.739-305.489-6.717-259.673294.971-107.108-35.075-116.686-368.506-109.6-395.303-95.3461.874384.083211.442-80.138-18.74-27.089-11.954-13.954-120.877-30.36121.792-33.5586.584-28.692-29.645-29.824-24.777-353.696-140.332-87.33553.474-173.2252594.6681904.932
us-gaap:PaymentsOfDividends NANANA21.0553.48917.443NA16.2515.68915.123-40.83914.09913.61313.1270.00.00.00.00.00.00.02.2942.292.2814.31114.414.38743.11928.73314.35128.62128.6128.6010.056.98828.45728.44628.38728.38422.67922.66822.62522.58522.58222.57818.116
us-gaap:PaymentsForRepurchaseOfCommonStock ▁█22.6923.988NANA0.00.00.07.69777.28232.49887.387127.64585.84180.879103.2090.00.00.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2191000.02207000.02208000.02249000.01878000.01874000.01870000.01870000.01879000.01964000.01990000.02055000.02138000.02190000.02241000.02305000.02304000.02304000.02298000.02298000.02298000.02297000.02294000.02294000.02294000.02291000.02306000.02305000.02305000.02301000.02294000.02292000.02291000.02289000.02284000.02278000.02276000.02275000.02273000.02273000.02273000.02273000.02273000.01830000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value219228198187186188192197212218224230232229817231518229409229259229352228230230230230228228228229227229230229229229228814228228228184183183183182
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value219219198187186187191197210215221230230229817229438229409229259229036228229230230229228228228227227227227226226226226350225225225181180180180180
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value6.5250541.0105437.1982026.9172187.6675263.7767243.1185487.932573.3726623.2280533.544559.1057514.6419968.9889795.4548838.8458787.1508635.2392536.0765562.7222546.4842446.7153470.3594886.7756246.9143948.6650618.0784133.0176491.6874751.1757260.9895711570.8191890.824709827
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

cnx:PerformanceShareUnits


Antidilutive
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302010-09-30
Value1.0114430.7803350.6511310.4577460.00.00.54040.157120.00.3122961.7933021.2849241.762691.6590140.9515410.1135310.00.00.00.2872260.5233570.00.0971420.0833560.700040.4881790.091340.00.0216750.00.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount15.510.89.46.00.00.06.84.70.08.819.727.719.630.410.81.60.00.00.04.47.80.01.41.28.16.03.00.01.80.00.0

us-gaap:EmployeeStockOption


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value3.0291680.9438384.2373194.2564094.2745522.0352732.0412734.7562922.2882742.3007852.2935065.4074652.3601975.472165
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount46.493.458.961.555.753.965.560.067.871.364.759.450.860.9

us-gaap:RestrictedStockUnitsRSU


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value2.4844430.0667052.1805482.0096782.007960.8141830.1500071.708610.00.00.011481.102180.1940710.951320.0034550.7428680.8688420.7855851.6066720.0850181.2780781.2652370.01.2432071.3839081.4592281.3480460.0026420.0122030.00.0020990.00.00.00196
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount38.16.630.329.126.221.64.821.50.00.00.312.14.210.60.18.412.215.026.43.119.718.80.018.320.016.816.70.10.70.00.20.00.00.2

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-1.610.450.88-1.03-0.78-1.76-1.450.620.85-0.440.510.590.192.381.2-0.110.74-0.17-1.330.11-2.05-0.430.130.52-2.640.340.32-0.01-0.110.513.22-0.28-0.05-0.010.66-0.050.670.430.860.740.340.850.460.330.30.550.80.480.631.08
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-1.610.430.87-1.03-0.78-1.76-1.450.610.84-0.440.50.590.192.351.2-0.110.73-0.17-1.330.11-2.05-0.430.130.52-2.640.340.32-0.01-0.110.53.2-0.28-0.05-0.010.65-0.050.670.420.850.730.340.840.460.330.290.540.770.480.621.08
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-353.92398192-204.586-145.638-328.974-276.236115162-87.29310112543527278-22.966172-35.452-356.39314-472.986-109.87-33.33649-614.6385978202-34.0901062-49.779662.885202-57.715113184194216102190
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax278.220.70.0-309.6-97.8-79.0-54.721.826.9-31.423.531.510.9130.160.5-3.420.0-11.2-91.31.9-165.5-19.7-4.86.0-94.76.79.122.9-3.69.3137.6-4.05.50.216.1-5.07.813.014.114.36.513.0

Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest

us-gaap:ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value-353.92398192-188.681-130.375-305.11-244.883144192-64.60712914663545267-22.187177-30.0-351.71816-471.807-108.756-29.41655-614.6385978202-34.0901062-50.177662.628202-57.82113184199216102
Percentage of ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax278.220.70.0-285.6-87.6-73.3-48.527.231.9-23.229.937.015.7134.558.2-3.320.5-9.4-90.12.2-165.1-19.5-4.26.8-94.76.79.122.9-3.69.3137.6-4.15.50.216.1-5.07.813.014.414.36.5

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold us-gaap:ProductOrService

us-gaap:CostOfGoodsAndServicesSold

us-gaap:NaturalGasGatheringTransportationMarketingAndProcessing


Cost
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
Value84777368608386808479716875861039886
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-66.116.30.0104.140.320.017.115.114.028.516.717.418.821.322.414.710.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NaturalGasGatheringTransportationMarketingAndProcessing0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OilAndGasExplorationAndProduction


Cost
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
Value2.9292.0765.6552.1413.313.888296.0755.5673.2582.6323.3213.6992.38144.47919
Percentage of CostOfGoodsAndServicesSold3.52.77.73.15.54.734.27.66.64.13.74.84.92.813.74.522.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-2.30.40.03.22.20.95.81.10.91.20.60.80.90.63.10.72.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OilAndGasExplorationAndProduction0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Costs And Expenses

us-gaap:CostsAndExpenses

us-gaap:CostsAndExpenses


Costs
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value318337362316307874182337371354148193371-263.5112146706257867016306196356026301544836855887961838-473.044122012141290119011911242130813041321148912141218125811931097
Percentage of CostsAndExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-250.771.40.0478.5206.9210.036.163.661.4127.434.448.892.5-65.046.599.872.2247.4179.784.5216.6113.886.577.4238.094.099.8100.3102.586.6-61.399.199.9100.194.7102.785.491.794.386.893.882.993.293.292.588.5

Gains Losses On Extinguishment Of Debt

us-gaap:GainsLossesOnExtinguishmentOfDebt

us-gaap:GainsLossesOnExtinguishmentOfDebt


Gains
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value-0.711-0.108-0.344110.00.0-0.077-7.5370.315-15.385-23.413-15.635-0.896-2.019-0.0360.8220.00.00.00.00.00.0-0.017-67.7340.0-20.99-74.2770.00.00.00.00.00.00.00.00.0-16.090.00.00.0
Percentage of GainsLossesOnExtinguishmentOfDebt100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0100.0100.00.0100.0100.00.00.00.00.00.00.00.00.00.0100.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.0-0.2-0.22.70.00.0-0.0-2.70.1-3.9-5.8-3.9-0.2-0.3-0.00.30.00.00.00.00.00.0-0.0-7.60.0-2.4-7.90.00.00.00.00.00.00.00.00.0-1.00.00.00.0

us-gaap:GainsLossesOnExtinguishmentOfDebt us-gaap:DebtInstrument

cnx:SeniorNotesdueApril2022


Gains
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-0.108-0.344110.0-0.077-15.6350.3150.0-8.098-7.537-0.8960.0-0.036
Percentage of GainsLossesOnExtinguishmentOfDebt100.0100.0100.00.0100.0207.4100.0-0.034.648.2100.0-0.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.2-0.22.70.0-0.0-5.60.10.0-2.0-1.9-0.20.0-0.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cnx:SeniorNotesdueApril20220.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Loss From Continuing Operations Before Income Taxes Domestic

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-446.176135264-250.072-159.132-457.804-290.453192233-76.2110520330759-36.0521.107240-87.291-239.387115-333.364-77.133159183-895.235379-3.033-23.72113034101.809-1.299198-31.371211118237200982511389196142
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax350.728.60.0-378.5-106.9-110.0-57.536.438.6-27.424.551.27.5187.2-7.80.227.8-27.5-61.315.5-116.6-13.822.922.6-138.06.09.3-0.3-2.513.44.50.90.1-0.115.8-2.714.68.317.213.26.217.110.66.87.511.5

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-603.463-49.873-342.4852.8351835-0.1090.811-2.36418117-39.6286231635129
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic135.3-36.8137.0-1.8-4.0-12.1-0.10.33.117.257.9-130.882.2-46.73204.253.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax474.4-10.5-518.31.94.47.0-0.00.1-0.84.229.7-9.9153.83.75.314.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, cnx:CoalbedMethane


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value7.339105.7466.616.258.7177.60312149.6421213115.454-0.0363.608
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic-1.67.8-2.3-4.2-1.44.53.3-16.913.84.741.01.7-31.4492.7-0.0-4.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.82.28.74.41.51.61.34.63.42.43.13.22.50.8-0.01.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments cnx:CoalbedMethane0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, cnx:Shale


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value14917486110133113
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic-33.6129.0-34.7-69.6-29.158.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-117.936.9131.274.432.021.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments cnx:Shale0.00.00.00.00.00.0

Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-354.05998-188.793-130.486-305.222-240.056143192-64.65112914661545286-25.651173-33.502-321.19562-234.044-43.291
Percentage of IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax278.320.7-285.7-87.7-73.3-47.627.231.8-23.230.037.015.3134.562.1-3.820.1-10.5-82.38.4-81.9-7.8

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-92.1173768-61.279-28.646-152.582-50.3974840-11.559-23.71256-31.102213-216.422666-53.7898152-100.354-26.84712458-291.929-25.6036.032-1.3881.2148.489-122.95674140.52248-19.89858214233215833152534
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax72.47.90.0-92.7-19.2-36.6-10.09.26.7-4.2-5.514.3-7.752.7-47.04.07.7-16.921.07.1-35.1-4.817.97.1-45.0-2.90.7-0.20.10.9-15.96.11.20.03.9-1.74.11.53.02.21.34.02.61.22.02.8

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3936373746483738403533353838324143444647474949484655535564505556545351545658585864666566658.145
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-31.17.70.057.431.111.87.37.26.612.87.79.09.69.57.06.25.014.012.06.316.68.97.06.07.26.26.26.36.95.37.14.64.54.14.14.73.94.14.23.94.14.55.04.95.00.7

Interest Expense Debt

us-gaap:InterestExpenseDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:InterestExpenseDebt

cnx:Convertible225SeniorNotesDue2026, us-gaap:ConvertibleDebt


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value6.0065.9155.8265.743.78
Percentage of InterestExpenseDebt100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.71.30.08.72.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cnx:Convertible225SeniorNotesDue2026 us-gaap:ConvertibleDebt0.00.00.00.00.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-354.05998195-204.698-145.749-329.086-271.408115162-87.33710112542527276-26.441169-38.966-306.04725-469.828-97.57230118-603.3017973-1.645-24.935116738-64.049-12.813-1.564149-11.3681529719516777192104756610014387113195
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax278.320.70.0-309.8-97.9-79.0-53.821.826.9-31.423.631.510.4130.160.1-3.919.6-12.3-78.43.4-164.4-17.54.414.6-93.08.98.6-0.2-2.712.095.6-5.2-1.1-0.111.9-1.010.56.814.111.04.913.18.05.65.28.10.00.00.00.0

Net Income Loss Attributable To Noncontrolling Interest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest

us-gaap:NetIncomeLossAttributableToNoncontrollingInterest


Net
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.01515233128302227211917-10.5670.794.3135.4644.4132.2481.1791.1143.926.490.00.00.00.00.00.0-0.444-0.398-0.287-0.257-0.263-0.105-0.0290.00.00.00.00.00.00.04.2327.613
Percentage of NetIncomeLossAttributableToNoncontrollingInterest0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.024.110.35.76.25.45.08.16.45.54.84.4-2.30.10.51.71.10.30.40.20.60.80.00.00.00.00.00.0-0.1-0.0-0.0-0.0-0.0-0.0-0.00.00.00.00.00.00.00.00.30.6

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
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-38.255-37.865-50.079-36.642-45.461-30.863-2.203-38.536-39.743-45.814-15.07582-59.146587-23.493-3.36288-40.863
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.1-8.00.0-55.5-30.5-7.4-0.4-7.3-6.6-16.5-3.520.7-14.7144.8-5.1-0.510.2-12.9

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value280299312279262843797298331308314275312323748207201199212182217215107173271311336339347326352328329335
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-220.763.40.0423.0176.4202.5157.956.354.8110.972.969.477.879.8162.631.023.262.954.324.576.138.515.421.341.835.039.238.337.133.745.626.727.126.0

us-gaap:OperatingExpenses us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value6082830.00.0800.00.0
Percentage of OperatingExpenses21.627.529.90.00.026.90.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-47.617.4126.30.00.015.10.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.0

us-gaap:OperatingExpenses us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, cnx:CoalbedMethane


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value282830293432
Percentage of OperatingExpenses10.09.510.911.24.111.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-22.26.046.119.78.26.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments cnx:CoalbedMethane0.00.00.00.00.00.0

us-gaap:OperatingSegments, cnx:Shale


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value191188165154191185
Percentage of OperatingExpenses68.462.959.258.822.862.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-150.939.9250.6103.746.135.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments cnx:Shale0.00.00.00.00.00.0

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.1360.135-2.9140.1120.1110.112-4.8270.0410.0410.044-0.3320.0221.8120.171.7983.4643.4643.502-50.087-11.153-3.158-12.298-63.742-69.955-11.337-19.4634.82203-9.065-25.53332413794.44952-46.347-39.59887
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.10.00.00.20.10.0-1.00.00.00.0-0.10.00.50.00.40.50.41.1-12.8-1.5-1.1-2.2-9.1-8.6-1.7-2.20.623.0-1.0-2.642.11.16.50.34.2-4.0-2.76.1

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value0.1360.135-2.9140.1120.1110.112-4.8270.0410.0410.044-0.3320.0221.8120.171.7643.4753.4753.514-11.153-3.158-12.298-69.956-11.337-19.463203-9.065-25.53313794.449
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.098.1100.3100.3100.3100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.10.00.00.20.10.0-1.00.00.00.0-0.10.00.50.00.40.50.41.1-1.5-1.1-2.2-8.6-1.7-2.223.0-1.0-2.61.16.50.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-31
Value0.1360.135-2.9140.1120.1110.112-4.8270.0410.0410.044-0.3320.0221.8120.173.4753.4753.514-11.153-3.158-12.298-69.956-11.337-19.463203-9.065-25.53313794.449
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.3100.3100.3100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.10.00.00.20.10.0-1.00.00.00.0-0.10.00.50.00.50.41.1-1.5-1.1-2.2-8.6-1.7-2.223.0-1.0-2.61.16.50.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Income

us-gaap:OtherIncome

us-gaap:OtherIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6.8155.8844.4663.7534.9583.317-46.4874133405332334833383538414069554042623311634205528321242320292521
Percentage of OtherIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.41.26.82.51.20.6-10.16.13.912.813.64.311.68.64.84.75.54.34.84.67.55.75.23.55.12.69.33.014.13.76.01.41.61.61.62.22.01.8

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:OtherNonoperatingIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-5.865-4.366-11.4-2.18-4.799-5.186-0.105-3.4390.0990.5799.759-1.105-0.5756.49313-8.25-5.475-4.075
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax4.6-0.90.0-3.3-3.2-1.2-0.0-0.60.00.22.3-0.3-0.11.63.0-1.2-0.6-1.3

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-354.05998195-188.793-130.486-305.222-240.055143192-64.65110114661545276-25.651173-33.502-301.63127-468.649-96.45834125-603.3017973-1.645-24.935116736-63.651-12.526-1.821149-11.4731529719516777192104757010715093118204
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax278.320.70.0-285.7-87.7-73.3-47.627.231.8-23.223.637.015.3134.560.1-3.820.1-10.5-77.33.7-164.0-17.34.915.4-93.08.98.6-0.2-2.712.095.4-5.2-1.0-0.111.9-1.010.56.814.111.04.913.18.05.65.58.70.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-302011-06-302011-03-31
Value0.01515233128302227211917-10.5670.794.3135.4644.4132.2481.1791.1143.92-0.444-0.398-0.287-0.257-0.263-0.1050.00.00.00.0
Percentage of ProfitLoss0.0-8.4-11.7-7.8-13.119.715.7-35.127.014.831.63.3-3.8-3.12.5-16.3-1.58.1-0.3-1.211.4-0.10.62.314.1-0.20.90.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.024.110.35.76.25.45.08.16.45.54.84.4-2.30.10.51.71.10.30.40.20.6-0.1-0.0-0.0-0.0-0.0-0.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-354.05998195-204.698-145.749-329.086-271.409115162-87.33710112542527276-26.44169-38.966-306.04425-469.833-97.5723073-1.645-24.934116738-63.651-12.526-1.564149-11.3681529719516777192
Percentage of ProfitLoss100.0100.0100.0108.4111.7107.8113.180.384.3135.1100.085.268.496.7100.0103.197.5116.3101.591.9100.3101.288.6100.0100.0100.0100.0100.2100.0100.085.9100.299.1100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax278.320.70.0-309.8-97.9-79.0-53.821.826.9-31.423.631.510.4130.160.1-3.919.6-12.3-78.43.4-164.4-17.54.48.6-0.2-2.712.095.6-5.2-1.0-0.111.9-1.010.56.814.111.04.913.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-354.05998195-204.698-145.749-329.086-271.409115162-87.33710112542527276-26.44169-38.966-306.04425-469.833-97.5723073-1.645-24.934116738-63.651-12.526-1.564149-11.3681529719516777192
Percentage of ProfitLoss100.0100.0100.0108.4111.7107.8113.180.384.3135.1100.085.268.496.7100.0103.197.5116.3101.591.9100.3101.288.6100.0100.0100.0100.0100.2100.0100.085.9100.299.1100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax278.320.70.0-309.8-97.9-79.0-53.821.826.9-31.423.631.510.4130.160.1-3.919.6-12.3-78.43.4-164.4-17.54.48.6-0.2-2.712.095.6-5.2-1.0-0.111.9-1.010.56.814.111.04.913.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-127.2147362666148416504529605278431397402405460671865317390745285558696813648889857884937969772123112161289125611601454142613831521158714651307134912891240
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems

us-gaap:OperatingSegments


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value404433332230208296368312380470540375367449333247270326
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-318.291.753.0348.8140.071.273.159.062.9169.0125.294.591.5110.972.536.931.3102.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-318.291.753.0348.8140.071.273.159.062.9169.0125.294.591.5110.972.536.931.3102.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:ProductOrService

us-gaap:CorporateNonSegment, us-gaap:OilAndGas


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.2850.1520.7540.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.20.01.10.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.20.01.10.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment us-gaap:OilAndGas100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CorporateNonSegment, us-gaap:OilAndGasPurchased


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value1633310.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-13.17.147.70.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-13.17.147.70.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment us-gaap:OilAndGasPurchased100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, us-gaap:OilAndGas, cnx:CoalbedMethane


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value363825223035394960484657514651
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-28.78.238.815.47.46.76.617.913.912.211.714.211.27.06.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-28.78.238.815.47.46.76.617.913.912.211.714.211.27.06.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:OilAndGas cnx:CoalbedMethane100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, us-gaap:OilAndGas, cnx:Shale


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value332342155152220229
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-261.572.3235.8102.553.043.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-261.572.3235.8102.553.043.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments us-gaap:OilAndGas cnx:Shale100.0100.0100.0100.0100.0100.0

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ProductOrService

cnx:NGLs


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value413123156.22619321824292846395061332139
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-32.66.73.722.84.24.76.33.54.010.76.711.89.812.513.54.92.512.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-32.66.73.722.84.24.76.33.54.010.76.711.89.812.513.54.92.512.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cnx:NGLs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:NaturalGasReserves


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
Value320347261163168229284245317403460293289347241196233
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-252.373.441.8246.8113.255.156.446.452.4145.0106.874.071.985.652.529.227.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-252.373.441.8246.8113.255.156.446.452.4145.0106.874.071.985.652.529.227.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax srt:NaturalGasReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OilAndCondensate


Revenue
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value6.9461.9864.1061.042.4830.931
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.50.46.20.70.60.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-5.50.46.20.70.60.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OilAndCondensate100.0100.0100.0100.0100.0100.0

us-gaap:OilAndGas


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
Value369381287182175251320265342435493344334405312234260
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-290.480.645.8275.8118.160.463.550.056.7156.6114.286.883.2100.067.934.930.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-290.480.645.8275.8118.160.463.550.056.7156.6114.286.883.2100.067.934.930.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OilAndGas100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OilAndGasPurchased


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
Value1633273120262929181627109.9318211310
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-13.17.14.447.713.76.35.95.53.15.86.42.72.54.54.62.01.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-13.17.14.447.713.76.35.95.53.15.86.42.72.54.54.62.01.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OilAndGasPurchased100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OilAndGasService


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
Value369381287182175251320265342435493344334405312234260
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-290.480.645.8275.8118.160.463.550.056.7156.6114.286.883.2100.067.934.930.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-290.480.645.8275.8118.160.463.550.056.7156.6114.286.883.2100.067.934.930.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OilAndGasService100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-127.2147362666148416504529605278431397402495460671865698390745285558696813648889857884937969772123112161289125611601454142613831521158714651307134912891240
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0122.2100.0100.0100.0219.9100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-504.69770-222.3640.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Revenues396.714.9-336.50.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax396.714.9-336.50.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Revenues us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, cnx:CoalbedMethane


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value35393635404140455049495554494549
Percentage of Revenues-27.98.354.824.19.77.96.716.411.812.412.211.111.97.45.27.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-27.98.354.824.19.77.96.716.411.812.412.213.611.97.45.215.6
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments cnx:CoalbedMethane0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, cnx:Shale


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value341363252265325298
Percentage of Revenues-268.876.8381.8178.178.156.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-268.876.8381.8178.178.156.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments cnx:Shale0.00.00.00.00.00.0

us-gaap:Revenues us-gaap:MajorCustomers, us-gaap:ProductOrService

cnx:CitadelEnergyMarketingLLC, us-gaap:OilAndGas


Revenuesus-gaap:
Period End2021-06-30
Value60
Percentage of Revenues-47.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-47.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cnx:CitadelEnergyMarketingLLC us-gaap:OilAndGas0.0

cnx:DirectEnergyBusinessMarketingLLC, us-gaap:OilAndGas


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value354535334539
Percentage of Revenues-27.79.553.922.611.07.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-27.79.553.922.611.07.4
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax cnx:DirectEnergyBusinessMarketingLLC us-gaap:OilAndGas0.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value807280698041812983198528906092869146877785928209820781226931897990259063918395659784107151092911185110021178111759117181156611584113931273712752125931267012556125971259512525121631220112223120701172111688987477757535
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Assetsus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value907912933134147781614613716682333102540278728302657
Percentage of Assets11.211.311.51.61.70.90.21.61.61.91.04.11.37.831.031.428.9
Percentage of Assets11.211.311.51.61.70.90.21.61.61.91.04.11.37.831.031.428.9
Percentage of Assets us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:MaterialReconcilingItems


Assetsus-gaap:
Period End2020-09-302019-09-30
Value7821126
Percentage of Assets9.612.1
Percentage of Assets9.612.1
Percentage of Assets us-gaap:MaterialReconcilingItems100.0100.0

us-gaap:OperatingSegments


Assetsus-gaap:
Period End2020-09-302019-09-30
Value71958143
Percentage of Assets88.587.7
Percentage of Assets88.587.7
Percentage of Assets us-gaap:OperatingSegments100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, cnx:CoalbedMethane


Assetsus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value106910821125113211451231
Percentage of Assets13.213.413.813.613.413.3
Percentage of Assets13.213.413.813.613.413.3
Percentage of Assets us-gaap:OperatingSegments cnx:CoalbedMethane100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, cnx:Shale


Assetsus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value609560746070609660596911
Percentage of Assets75.575.374.773.371.074.4
Percentage of Assets75.575.374.773.371.074.4
Percentage of Assets us-gaap:OperatingSegments cnx:Shale100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems

us-gaap:OperatingSegments, cnx:ExplorationAndProductionSegment, cnx:CoalbedMethane, us-gaap:ReportableSubsegments


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-31
Value109512221272
Percentage of Assets13.613.514.8
Percentage of Assets13.613.514.8
Percentage of Assets us-gaap:OperatingSegments cnx:ExplorationAndProductionSegment cnx:CoalbedMethane us-gaap:ReportableSubsegments100.0100.0100.0

us-gaap:OperatingSegments, cnx:ExplorationAndProductionSegment, cnx:OtherGas, us-gaap:ReportableSubsegments


Assetsus-gaap:
Period End2020-12-312019-12-31
Value8771311
Percentage of Assets10.914.5
Percentage of Assets10.914.5
Percentage of Assets us-gaap:OperatingSegments cnx:ExplorationAndProductionSegment cnx:OtherGas us-gaap:ReportableSubsegments100.0100.0

us-gaap:OperatingSegments, cnx:ExplorationAndProductionSegment, cnx:Shale, us-gaap:ReportableSubsegments


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-31
Value606865276268
Percentage of Assets75.572.073.0
Percentage of Assets75.572.073.0
Percentage of Assets us-gaap:OperatingSegments cnx:ExplorationAndProductionSegment cnx:Shale us-gaap:ReportableSubsegments100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value39353558361938583752388440984064404638023510316031683054303249084937515752435275551359766074629763206483643064646506649263878779872786208717875987278821891487368987910291345750
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets48.844.145.047.545.145.545.243.844.243.340.938.538.637.643.754.754.756.957.155.156.355.855.656.357.455.054.755.256.356.056.168.968.468.568.869.869.370.071.271.873.774.575.774.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value807280698041812983198528906092869146877785928209820781226931897990259063918395659784107151092911185110021178111759117181156611584113931273712752125931267012556125971259512525121631220112223120707775
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value442242703746383641604434432542154329431043084344389939313945376337984147412545894702473246815297532952545059509250063958402539723953379638693774361034263219312529441785
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets55.052.545.045.045.947.847.348.050.452.552.553.556.343.843.741.541.443.442.242.843.042.342.645.045.344.843.744.043.931.131.631.531.230.230.730.028.828.226.425.624.423.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value333277273332430586498345460364501315319406852805847616626514526114680497082193211661325122514581445118314721439153917101680186618971901115012331115991
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.13.43.44.15.26.95.53.75.04.25.83.83.95.012.39.09.46.86.85.45.410.77.48.77.57.99.911.310.612.612.79.311.511.412.113.613.314.815.215.69.410.19.212.7

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312013-01-022012-12-312012-09-302012-06-302012-03-312012-01-022011-12-312011-09-302011-06-302011-03-312011-01-022010-12-312010-09-302010-06-302010-03-312010-01-022009-12-312009-01-022008-12-312007-12-31
Value3929151501931165.484322317425482509285299616080974267283105.31817622514731432721712521212302002873753754722612732321534187965656513841
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.40.21.80.20.40.20.10.40.30.20.50.71.07.33.23.30.70.70.81.04.00.70.70.10.01.51.91.32.72.90.20.60.20.00.21.81.62.30.03.03.90.21.00.00.30.10.319.00.00.80.01.80.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value3929151501931165.484322317425482509285299616080974267283105.31817622514731432721
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.9
Percentage of Assets0.50.40.21.80.20.40.20.10.40.30.20.50.71.07.33.23.30.70.70.81.04.00.70.70.10.01.51.91.32.72.90.2
Percentage of Assets us-gaap:CarryingReportedAmountFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Cash
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-312017-09-302016-09-302015-09-302014-09-302014-06-302013-12-31
Value39291516175095096072225147327
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0178.275.487.4100.0100.0100.0
Percentage of Assets0.50.40.20.20.27.35.70.60.61.91.32.9
Percentage of Assets us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


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
Value4435211562538165.48432231742548250946
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.40.31.90.30.40.20.10.40.30.20.50.71.07.30.5

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value15714714575699113396125157252147132157156193215215220163153165200237173226259299275355332436347408428457416463462503433481252317
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.01.81.80.90.81.11.51.01.41.82.91.81.61.92.32.22.42.42.41.71.61.51.82.11.61.92.22.62.43.12.93.42.73.23.43.63.33.73.74.13.63.92.14.1

us-gaap:AccountsReceivableNetCurrent us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:AccountsReceivable, us-gaap:CustomerConcentrationRisk


Accounts
Period End2020-12-312019-12-312018-12-312017-12-31
Value145133252156
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0
Percentage of Assets1.81.52.92.3
Percentage of Assets us-gaap:AccountsReceivable us-gaap:CustomerConcentrationRisk0.00.00.00.0

us-gaap:AccountsReceivableNetCurrent us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

cnx:DirectEnergyBusinessMarketingLLC, us-gaap:AccountsReceivable, us-gaap:CustomerConcentrationRisk


Accounts
Period End2020-12-312019-12-312018-12-31
Value192326
Percentage of AccountsReceivableNetCurrent13.717.910.5
Percentage of Assets0.20.30.3
Percentage of Assets cnx:DirectEnergyBusinessMarketingLLC us-gaap:AccountsReceivable us-gaap:CustomerConcentrationRisk0.00.00.0

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value5.6987.2499.6571010106.9847.52711169.7159.7261010106374696562607797112111105101145148156157238227217247266305284258241259287258307
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.20.10.10.10.10.20.70.80.80.70.70.60.70.91.01.00.90.91.21.31.31.41.91.81.72.02.12.42.32.12.02.12.42.14.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1112811084109631090410814106911057210512102039835956792768941910393161373813619135181377113920138661463915574155331534415014146741446314160138501357816571161941574915545151431473614357140871383715070150721495110681
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets137.9137.4136.3134.1130.0125.4116.7113.2111.6112.1111.4113.0108.9112.1134.4153.0150.9149.1150.0145.5141.7136.6142.5138.9139.5127.4124.8123.4122.4119.6119.2130.1127.0125.1122.7120.6117.0114.0112.5113.8123.5123.3123.9137.4

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

cnx:AssetsAmortizedByUnitsOfProduction


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value7357689409321405207522052207202820082951
Percentage of PropertyPlantAndEquipmentGross6.77.39.810.010.213.315.016.313.014.319.7
Percentage of Assets9.18.510.913.515.319.018.819.416.016.024.4
Percentage of Assets cnx:AssetsAmortizedByUnitsOfProduction0.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value41194064393838413730362234352981286327412624250823992481352659395825569556305506536055495905577456244647451244994384424541365940577055165354521550654915476047664826487248224557
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets51.050.449.047.344.842.537.932.131.331.230.630.629.230.650.966.164.562.861.357.654.851.854.051.651.139.438.438.437.936.636.346.645.243.842.341.540.239.038.039.239.639.939.958.6

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1638000.01638000.01638000.01638000.01638000.01638000.01638000.01638000.01639000.01638000.01638000.01638000.01733000.01922000.00000
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value700870197025706370837069713675307339709369426768677266215789779877947986814084148609909096699758972010366101629963977696049442106301042310233101909928967094419326907110244101991012961245765
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets86.887.087.486.985.182.978.881.180.280.880.882.582.581.583.586.986.488.188.688.088.084.888.587.288.388.086.485.084.582.982.983.581.781.380.479.176.875.074.574.684.083.483.978.876.5

Investments In Affiliates Subsidiaries Associates And Joint Ventures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures

us-gaap:InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures


Investments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value1615151616171717181922201971901881971902572562512372102161921521853523092912612562482222132092001821751009793
Percentage of InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.20.20.20.20.20.30.32.92.12.12.22.12.72.62.32.21.92.01.61.31.63.02.72.62.12.02.01.81.71.71.61.51.40.80.80.8

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value3233233233233233237967967967967967967967960.0
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets4.04.04.04.03.93.88.88.68.79.19.39.79.79.80.0

us-gaap:Goodwill us-gaap:BusinessAcquisition

cnx:MidstreamAcquisition


Goodwillus-gaap:
Period End2020-12-312020-09-302020-06-302020-03-312018-01-03
Value323323323323796
Percentage of Goodwill100.0100.0100.0100.00.0
Percentage of Assets4.04.03.93.80.0
Percentage of Assets cnx:MidstreamAcquisition0.00.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value8688909193959698991011031041061260.0
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.11.11.11.11.11.11.11.11.11.21.21.31.31.60.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-31
Value8688909193959698991011031260.0
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.11.11.11.11.11.11.11.11.11.21.21.60.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value83931081241411591872052242430.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets1.01.21.41.51.71.92.12.22.52.80.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value72977211733805151529220715922920419014991185195219222228214227218245244289277244211211214204210201227235276296288535222214227151
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.09.60.19.09.70.20.23.22.31.82.72.52.31.81.32.12.22.42.42.42.22.12.02.22.22.52.42.11.81.81.91.61.61.61.81.92.22.42.34.41.81.81.91.9

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2020-12-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value742873142614091346131811481125111610932893753834614176356494794554554604824304295645205059228569209409181246128713011190805790826
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.210.215.715.214.715.013.413.713.613.54.24.24.35.14.56.66.64.54.24.14.24.13.73.74.94.54.47.26.77.37.47.39.910.210.49.86.66.56.8

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value118114118117148171202308305230229263186193211303265270241197171221271331442532531610504506514512461463507497472471522448351335354269
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.51.41.51.41.82.02.23.33.32.62.73.22.32.43.03.42.93.02.62.11.82.12.53.04.04.54.55.24.44.44.54.03.63.74.04.03.83.74.23.72.92.72.93.5

Contract With Customer Liability Current

us-gaap:ContractWithCustomerLiabilityCurrent

us-gaap:ContractWithCustomerLiabilityCurrent


Contract
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312017-12-31
Value1010108.9343.4231213111711
Percentage of ContractWithCustomerLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.00.10.20.10.20.2

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8094574415074765005286216235885225334744374418608259929401070115115841680186720961907114712461083117011191573148713461387133312721399138813021544163616641478
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.05.75.56.25.75.95.86.76.86.76.16.55.85.46.49.69.111.010.211.211.814.815.416.719.116.29.810.69.410.19.812.411.710.710.910.610.111.111.110.712.713.413.819.0

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2322222222200.00.0-0.263-1.6771.8731.8442.6211.197-4.221-5.1-5.076-5.052-3.558-3.535-3.512-2.957-4.606-4.585-4.564-4.544-12.968-11.759-11.759-11.759-11.718-16.743-266.6732445
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.30.30.20.00.0-0.0-0.00.00.00.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.1-0.1-0.1-0.1-0.1-0.1-2.20.20.6

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value475252525254616566700.0
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.60.70.70.60.60.60.70.70.70.80.0

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value204179198164162197216241244280286263227236223540543704680508479486450578543569100610554637122868798839147814744856128833836854801612
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.52.22.52.02.02.32.42.62.73.23.33.22.82.93.26.06.07.87.45.34.94.54.15.24.94.80.95.24.85.51.16.86.36.71.26.55.96.81.06.96.97.06.67.9

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2289236824242600256326602754237821842330221121872501259726222724273127202723271127432563256632413239321831183118312831283128312931403133313331333135314233933145402
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.429.330.132.030.831.230.427.726.628.427.231.627.928.828.929.728.627.825.424.824.523.321.827.627.627.826.927.424.624.524.824.725.024.924.925.025.825.827.826.15.2

us-gaap:LongTermDebt us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:LineOfCredit, cnx:CSGHoldingsFacility


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value3942454648490.0
Percentage of LongTermDebt1.71.81.91.81.91.90.0
Percentage of Assets0.50.50.60.60.60.60.0
Percentage of Assets us-gaap:LineOfCredit cnx:CSGHoldingsFacility0.00.00.00.00.00.00.0

us-gaap:LineOfCredit, cnx:CardinalStatesFacility


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value1061101131171211230.0
Percentage of LongTermDebt4.74.74.74.54.74.70.0
Percentage of Assets1.31.41.41.41.51.50.0
Percentage of Assets us-gaap:LineOfCredit cnx:CardinalStatesFacility0.00.00.00.00.00.00.0

us-gaap:RevolvingCreditFacility, cnx:CNXMidstreamPartnersLPRevolvingCreditFacility


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value160237291343319347311
Percentage of LongTermDebt7.010.012.013.212.413.011.3
Percentage of Assets2.02.93.64.23.84.13.4
Percentage of Assets us-gaap:RevolvingCreditFacility cnx:CNXMidstreamPartnersLPRevolvingCreditFacility0.00.00.00.00.00.00.0

us-gaap:RevolvingCreditFacility, cnx:CNXRevolvingCreditFacility


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value160160160410550437661
Percentage of LongTermDebt7.06.86.615.821.516.424.0
Percentage of Assets2.02.02.05.06.65.17.3
Percentage of Assets us-gaap:RevolvingCreditFacility cnx:CNXRevolvingCreditFacility0.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:DebtInstrument

cnx:A225SeniorNotesDueMay2026


Long
Period End2020-12-31
Value237
Percentage of LongTermDebt9.8
Percentage of Assets3.0
Percentage of Assets cnx:A225SeniorNotesDueMay20260.0

cnx:A6.50SeniorNotesdueMarch2026


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value3963963963953953953953953953943943943943940.0
Percentage of LongTermDebt17.316.716.315.215.414.914.40.00.00.016.618.116.917.80.0
Percentage of Assets4.94.94.94.94.84.64.44.34.34.54.64.84.84.90.0
Percentage of Assets cnx:A6.50SeniorNotesdueMarch20260.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

cnx:Convertible225SeniorNotesDue2026


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value2452412372332290.0
Percentage of LongTermDebt10.710.29.89.09.00.0
Percentage of Assets3.03.03.02.92.80.0
Percentage of Assets cnx:Convertible225SeniorNotesDue20260.00.00.00.00.00.0

cnx:SeniorNotesDueMarch2027


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value7067067067065005005005005005000.0
Percentage of LongTermDebt30.829.829.227.219.518.818.20.00.00.00.0
Percentage of Assets8.78.88.88.76.05.95.55.45.55.70.0
Percentage of Assets cnx:SeniorNotesDueMarch20270.00.00.00.00.00.00.00.00.00.00.0

cnx:SeniorNotesdueApril2022


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value36341382389589589589512961316131613161709
Percentage of LongTermDebt14.016.131.032.50.00.00.054.560.356.559.678.1
Percentage of Assets4.55.09.79.99.69.810.215.116.016.016.224.7
Percentage of Assets cnx:SeniorNotesdueApril20220.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

cnx:Convertible225SeniorNotesDue2026, us-gaap:ConvertibleDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value245241237233229
Percentage of LongTermDebt10.710.29.89.09.0
Percentage of Assets3.03.03.02.92.8
Percentage of Assets cnx:Convertible225SeniorNotesDue2026 us-gaap:ConvertibleDebt0.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value23132394245026172577267627632649262824412387219423422226220425242621264727522760275027552740274325632566324132393218311831183127
Percentage of LongTermDebt101.1101.1101.1100.7100.6100.6100.30.00.00.0100.4100.4100.5100.7100.8100.9100.9101.0101.0101.1101.1101.2101.1100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.729.730.532.231.031.430.528.528.727.827.826.728.527.431.828.129.029.230.028.928.125.725.124.523.321.827.627.627.826.927.424.7
Percentage of Assets us-gaap:CarryingReportedAmountFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EstimateOfFairValueFairValueDisclosure


Long
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-312017-09-302016-12-312016-09-302015-12-312015-09-302014-12-312014-09-302014-06-302013-12-31
Value259426712638261922902281228124222717180818483169326934303299
Percentage of LongTermDebt113.3112.8108.895.196.3104.391.288.999.566.767.497.8100.9106.6105.8
Percentage of Assets32.133.132.828.926.732.925.426.428.416.616.526.927.929.729.0
Percentage of Assets us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2265234624012577254026402754264026182430237821842330221121872500259626202722273427232725271227392558256132363236321431153115312331243124312431273122312231223123312631273128363
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.129.129.931.730.531.030.428.428.627.727.726.628.427.231.627.828.828.929.628.627.825.424.824.523.321.727.527.627.826.927.324.524.524.824.724.924.824.824.925.725.625.625.94.7

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value41150346639837037647647642738739830444
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.16.25.84.94.54.45.35.14.74.44.63.70.6

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent


Pension
Period End2020-12-312019-12-312018-12-312017-12-31
Value42383134
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0
Percentage of Assets0.50.40.40.5

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value43434440404042160196200159106103120105125110119151172244194166148162156158121132133131103102128131138131129124159149154144132
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.50.50.50.50.51.72.12.31.91.31.31.51.51.41.21.31.71.82.51.81.51.31.51.31.31.01.11.11.20.80.81.01.01.11.01.01.01.31.21.31.21.7

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3639536679921101221371500.0
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.50.50.70.81.01.11.21.31.51.70.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value21
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.3

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value5453000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value5433000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value4824000.0
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
Value25
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.3

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value105172187203221
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0
Percentage of Assets1.31.92.02.22.5

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value119
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets1.5

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-31
Value13
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0
Percentage of Assets0.2

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value442242703746383641604434432542154329431043084344389939313945376337984147412545894702473246815297532952545059509250063958402539723953379638693774361034263219312529441785
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets55.052.545.045.045.947.847.348.050.452.552.553.556.343.843.741.541.443.442.242.843.042.342.645.045.344.843.744.043.931.131.631.531.230.230.730.028.828.226.425.624.423.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value4136451044224270456646444962522150994974508150485038506738994071408739063940429042714739485548875329500639574025397239533796387036103426321431212936202416741377
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets51.255.955.052.554.954.554.856.255.856.759.161.561.462.456.345.345.343.142.944.943.744.244.443.745.343.931.131.631.531.230.230.728.828.226.325.524.326.022.20.0

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value-14.913-15.049-15.184-12.27-12.382-12.493-12.605-7.778-7.819-7.86-7.904-6.472-6.494-8.306-8.476-382.092-385.567-389.042-392.556-342.207-331.054-327.896-315.598-251.856-181.9-170.563-151.1-155.92-359.715-350.65-325.117-649.896-663.768-742.893-747.342-799.791-753.444-713.846-801.554-800.896-850.554-875.704-874.338-640.504-461.9-419.284
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest-0.4-0.3-0.3-0.3-0.3-0.3-0.3-0.1-0.2-0.2-0.2-0.1-0.1-0.2-0.2-9.4-9.4-10.0-10.0-8.0-7.8-6.9-6.5-5.20.00.0-2.80.00.00.0-6.5-16.4-16.5-18.7-18.9-21.1-19.50.0-22.2-23.4-26.5-28.1-29.8-31.6-27.6-30.4
Percentage of Assets-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-4.3-4.3-4.3-4.3-3.6-3.4-3.1-2.9-2.3-1.7-1.4-1.3-1.3-3.1-3.0-2.9-5.1-5.2-5.9-5.9-6.4-6.0-5.7-6.4-6.6-7.0-7.2-7.2-8.2-6.10.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value29502959295929892261220521992197220322492264231123722409245024862476246724602453244524362435243024252412242424122405238523642347233623202296227522622250223422192207219421781033993966
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest71.365.666.970.049.547.544.342.143.245.244.645.847.147.562.861.160.663.262.457.257.351.450.249.70.00.045.50.00.00.047.259.358.058.458.159.958.40.061.964.868.770.374.251.159.370.2
Percentage of Assets36.536.736.836.827.225.924.323.724.125.626.428.228.929.735.327.727.427.226.825.625.022.722.321.722.020.520.620.620.820.620.818.418.318.418.118.118.017.917.818.318.118.018.013.313.20.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value2.1912.2072.2082.2491.8781.8741.871.871.8791.9641.992.0552.1382.192.2412.3052.3042.3042.2982.2982.2982.2972.2942.2942.2942.2912.3062.3052.3052.3012.2942.2922.2912.2892.2842.2782.2762.2752.2732.2732.2732.2732.2731.831.831.851
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest0.10.00.00.10.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.00.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value4136451044224270374638364160443443254215432943104308434438993931394537633798414741254589470247324681529753295254505950925006395840253972395337963869377436103426321931252944178514621214
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.082.082.683.884.984.884.785.285.485.585.7100.096.696.596.496.496.796.696.896.896.80.00.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.2100.1100.388.287.388.2
Percentage of Assets51.255.955.052.545.045.045.947.847.348.050.452.552.553.556.343.843.741.541.443.442.242.843.042.342.645.045.344.843.744.043.931.131.631.531.230.230.730.028.828.226.425.624.423.019.40.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value119915631476129014951641197122432127197120712003194019401455182518521682172720332008247825792551243530533054299530113055296422572351239324022319235922352184202518831832168014561010766
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest29.034.733.430.232.735.339.743.041.739.640.839.738.538.337.344.845.343.143.847.447.052.353.152.20.00.057.30.00.00.059.257.158.460.360.861.161.00.060.559.158.658.757.272.060.455.6
Percentage of Assets14.919.418.415.918.019.221.824.223.322.524.124.423.623.921.020.320.518.618.821.320.523.123.622.822.125.926.025.626.026.426.017.718.419.019.018.518.717.817.416.715.415.013.918.713.40.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2191000.02207000.02208000.02249000.01878000.01874000.01870000.01870000.01879000.01964000.01990000.02055000.02138000.02190000.02241000.02305000.02304000.02304000.02298000.02298000.02298000.02297000.02294000.02294000.02294000.02291000.02306000.02305000.02305000.02301000.02294000.02292000.02291000.02289000.02284000.02278000.02276000.02275000.02273000.02273000.02273000.02273000.02273000.01830000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value29502959295929892261220521992197220322492264231123722409245024862476246724602453244524362435243024252412242424122405238523642347233623202296227522622250223422192207219421781033
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets36.536.736.836.827.225.924.323.724.125.626.428.228.929.735.327.727.427.226.825.625.022.722.321.722.020.520.620.620.820.620.818.418.318.418.118.118.017.917.818.318.118.018.013.3

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value11991563147612901495164119712243212719712071200319401940145518251852168217272033200824782579255124353053305429953011305529642257235123932402231923592235218420251883183216801456
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets14.919.418.415.918.019.221.824.223.322.524.124.423.623.921.020.320.518.618.821.320.523.123.622.822.125.926.025.626.026.426.017.718.419.019.018.518.717.817.416.715.415.013.918.7

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-312007-12-31
Value-14.913-15.049-15.184-12.27-12.382-12.493-12.605-7.778-7.819-7.86-7.904-6.472-6.494-8.306-8.476-382.092-385.567-389.042-392.556-342.207-331.054-327.896-315.598-251.856-181.9-170.563-151.1-155.92-359.715-350.65-325.117-649.896-663.768-742.893-747.342-799.791-753.444-713.846-801.554-800.896-850.554-875.704-874.338-640.504-461.9-419.284
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.2-0.2-0.2-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-4.3-4.3-4.3-4.3-3.6-3.4-3.1-2.9-2.3-1.7-1.4-1.3-1.3-3.1-3.0-2.9-5.1-5.2-5.9-5.9-6.4-6.0-5.7-6.4-6.6-7.0-7.2-7.2-8.2-6.10.0

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
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
Value0.0024.7990.2520.1511.650.0040.3540.0490.0620.0990.0240.1260.5071.056
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0024.7920.2520.1511.6460.3540.0480.0590.0940.0230.1260.5061.05
Percentage of StockIssuedDuringPeriodValueNewIssues100.099.9100.0100.099.8100.098.095.294.995.8100.099.899.4
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


Stock
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
Value0.00.0070.00.00.0040.0040.00.0010.0030.0050.0010.00.0010.006
Percentage of StockIssuedDuringPeriodValueNewIssues0.00.10.00.00.2100.00.02.04.85.14.20.00.20.6
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stock
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
Value0.0024.7990.2520.1511.650.0040.3540.0490.0620.0990.0240.1260.5071.056
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-302011-06-302011-03-31
Value3.1787.5252.4732.5032.5666.841.8681.78123105.485.2435.7084.91-11.162119.9756.7027.6587.771105.6244.67151113269.4151111111213
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value3.1777.5192.4731.9022.1866.3361.4691.45323104.8444.7375.0184.331-7.3729.3848.3276.6447.3767.483105.3164.675.7076.6487.4819.3637.0149.60815151113269.41511101611111213
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.099.9100.076.085.292.678.681.697.794.488.490.387.988.266.081.883.599.196.396.397.194.5100.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Adjustments
Period End2021-06-302021-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value0.0010.0060.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue0.00.1-0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NoncontrollingInterest


Adjustments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-302011-06-302011-03-31
Value0.00.6010.380.5040.3990.3280.540.6120.6360.5060.6910.579-3.792.0841.6480.0580.2820.2880.3070.3080.00.00.00.00.00.00.00.00.00.00.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue0.024.014.87.421.418.42.35.611.69.712.111.834.018.216.50.93.73.72.95.50.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value3.1787.5252.4731.9022.1866.3361.4691.45323104.8444.7375.0184.331-7.3729.3848.3276.6447.3767.483105.3164.675.7076.6487.4819.3637.0149.60815151113269.41511101611111213
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.076.085.292.678.681.697.794.488.490.387.988.266.081.883.599.196.396.397.194.5100.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value239219160223143267114305252308195239191259176178882058216295128101110652288629322133669195125268197162138229275456360435252373331174
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-188.146.425.6337.796.664.222.757.641.7110.945.360.347.663.938.326.610.364.621.221.833.323.014.613.510.125.710.133.123.634.79.015.910.320.815.814.09.516.119.930.022.729.719.327.725.714.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-121.994-118.424-75.714-102.48-122.701-138.074-198.213-327.948-327.946-293.332-309.81754-212.517-426.344-233.799-84.647184-87.642266-70.676-29.016320-113.881-209.721-352.712-319.903-116.443-199.719-389.739-335.481357-94.311-233.584-231.542-413.63-102.771-195.924-288.085-347.212342-321.083-253.008-288.644-218.594-4771.094-265.642
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax95.9-25.0-12.1-155.1-82.4-33.2-39.3-61.9-54.2-105.4-71.813.6-52.8-105.1-50.8-12.621.3-27.668.2-9.5-10.257.5-16.3-25.8-54.4-36.0-13.6-22.6-41.6-34.646.3-7.7-19.2-18.0-32.9-8.9-13.5-20.2-25.122.5-20.2-17.3-22.1-16.2-370.0-21.4

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-107.711-87.461-219.7329.718-33.202-107.5794-4.59884-8.54688-305.489-6.717-259.673294-107.108-35.075-116.686-368.506-109.6-395.303-95.3461.874384211-80.138-18.74-27.089-11.954-13.954-120.877-30.36121-33.5586.584-28.692-29.645-29.824-24.777-353.696-140.332-87.33553-173.22525941904
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax84.7-18.5-35.114.7-22.3-25.818.7-0.914.0-3.120.6-76.9-1.7-64.064.1-16.0-4.1-36.7-94.4-14.7-138.3-17.10.347.232.6-9.0-2.2-3.1-1.3-1.4-15.7-2.510.0-2.60.5-2.5-2.0-2.1-1.8-23.2-8.8-6.04.1-12.8201.2153.6

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9.52213-134.722130-12.1052110-27.1278.6396.774-25.474-12.174-27.644-426.677
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.52.9-21.5197.4-8.15.22.1-5.11.42.4-5.9-3.1-6.9-105.2

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:AmortizationOfFinancingCosts

cnx:Convertible225SeniorNotesDue2026, us-gaap:ConvertibleDebt


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value256000.0252000.0248000.0245000.0161000.0
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-92.3223768-61.278-25.683-99.7460.9594840-11.5598668-23.5213-185.7172559-41.93619351-97.389-27.12712931-291.914-21.2-16.97-7.2455.6368.149-5.678-38.0976.6930.305-1.424-35.8532-2.265-53.131-7.472-15.5072313-4.3684.5153.225
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value122128144114113129133120128125130119119124-2.572148117148156151135160191152154150155148137129-28.652169159161159153153155151159157149154161132119
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DepreciationDepletionAndAmortization us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Depreciation
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value3.9633.9554.0840.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of DepreciationDepletionAndAmortization3.23.13.60.00.00.00.00.00.00.00.00.00.0-0.00.00.0

us-gaap:DepreciationDepletionAndAmortization us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, cnx:CoalbedMethane


Depreciation
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value141515151817
Percentage of DepreciationDepletionAndAmortization11.612.013.813.814.314.4

us-gaap:OperatingSegments, cnx:Shale


Depreciation
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value1041099493107100
Percentage of DepreciationDepletionAndAmortization85.184.982.782.882.983.5

Increase Decrease In Accounts Payable

us-gaap:IncreaseDecreaseInAccountsPayable

us-gaap:IncreaseDecreaseInAccountsPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value18-3.807-18.844-14.153-17.812.322-61.6852535-5.962105.73-5.352.1522121-1.4924.016-14.71733-34.294-11.487-25.204-25.774-79.882-17.72-124.364983616-79.391-7.08313-26.474-25.32446-1.954-39.3124677137.2791537-19.81645
Percentage of IncreaseDecreaseInAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1.525-0.411-0.433-0.2270.0513.282-0.543-3.715-5.46.927-0.011-0.773-0.177-0.066-2.28-11.7725.4834.3152.839-12.1160.4717.476-15.5121.2566.453.3717.3912.6338.181.7293.476-10.354-10.96301838-73.3882616-17.972-27.72729-3.793-31.519-36.10822
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value239219160223143267114305252308195239191259176178882058216295128101110652288629322133669195125268197162138229275456360435252373331174
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-188.146.425.6337.796.664.222.757.641.7110.945.360.347.663.938.326.610.364.621.221.833.323.014.613.510.125.710.133.123.634.79.015.910.320.815.814.09.516.119.930.022.729.719.327.725.714.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-354.05998195-204.698-145.749-329.086-271.408115162-87.33710112542527276-26.441169-38.966-306.04725-469.828-97.57230118-603.3017973-1.645-24.935116738-64.049-12.813-1.564149-11.3681529719516777192104756610014387113195
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax278.320.731.2-309.8-97.9-79.0-53.821.826.9-31.423.631.510.4130.160.1-3.919.6-12.3-78.43.4-164.4-17.54.414.6-93.08.98.6-0.2-2.712.095.6-5.2-1.1-0.111.9-1.010.56.814.111.04.913.18.05.65.28.10.00.00.00.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312009-09-302009-06-302009-03-31
Value-354.05998195-188.793-130.486-305.222-240.055143192-64.65110114661545276-25.651173-33.502-301.63127-468.649-96.45834125-603.3017973-1.645-24.935116736-63.651-12.526-1.821149-11.4731529719516777192104757010715093118204
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax278.320.731.2-285.7-87.7-73.3-47.627.231.8-23.223.637.015.3134.560.1-3.820.1-10.5-77.33.7-164.0-17.34.915.4-93.08.98.6-0.2-2.712.095.4-5.2-1.0-0.111.9-1.010.56.814.111.04.913.18.05.65.58.70.00.00.00.0

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Profit
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-302011-06-302011-03-31
Value0.01515233128302227211917-10.5670.794.3135.4644.4132.2481.1791.1143.92-0.444-0.398-0.287-0.257-0.263-0.1050.00.00.00.0
Percentage of ProfitLoss0.0-8.4-11.7-7.8-13.119.715.7-35.127.014.831.63.3-3.8-3.12.5-16.3-1.58.1-0.3-1.211.4-0.10.62.314.1-0.20.90.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.024.110.35.76.25.45.08.16.45.54.84.4-2.30.10.51.71.10.30.40.20.6-0.1-0.0-0.0-0.0-0.0-0.00.00.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:NoncontrollingInterest0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-354.05998195-204.698-145.749-329.086-271.409115162-87.33710112542527276-26.44169-38.966-306.04425-469.833-97.5723073-1.645-24.934116738-63.651-12.526-1.564149-11.3681529719516777192
Percentage of ProfitLoss100.0100.0100.0108.4111.7107.8113.180.384.3135.1100.085.268.496.7100.0103.197.5116.3101.591.9100.3101.288.6100.0100.0100.0100.0100.2100.0100.085.9100.299.1100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax278.320.731.2-309.8-97.9-79.0-53.821.826.9-31.423.631.510.4130.160.1-3.919.6-12.3-78.43.4-164.4-17.54.48.6-0.2-2.712.095.6-5.2-1.0-0.111.9-1.010.56.814.111.04.913.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-354.05998195-204.698-145.749-329.086-271.409115162-87.33710112542527276-26.44169-38.966-306.04425-469.833-97.5723073-1.645-24.934116738-63.651-12.526-1.564149-11.3681529719516777192
Percentage of ProfitLoss100.0100.0100.0108.4111.7107.8113.180.384.3135.1100.085.268.496.7100.0103.197.5116.3101.591.9100.3101.288.6100.0100.0100.0100.0100.2100.0100.085.9100.299.1100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax278.320.731.2-309.8-97.9-79.0-53.821.826.9-31.423.631.510.4130.160.1-3.919.6-12.3-78.43.4-164.4-17.54.48.6-0.2-2.712.095.6-5.2-1.0-0.111.9-1.010.56.814.111.04.913.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.1787.5252.4732.5032.5666.841.8681.78123105.485.2435.7084.91-11.162119.9756.7027.6587.771105.6244.6575.726.6487.4819.3637.0149.608156.0731113269.415111016111112131413109.949
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-121.994-118.424-75.714-102.48-122.701-138.074-198.213-327.948-327.946-293.332-309.81754-212.517-426.344-233.799-84.647184-87.642266-70.676-29.016320-113.881-209.721-352.712-319.903-116.443-199.719-389.739-335.481357-94.311-233.584-231.542-413.63-102.771-195.924-288.085-347.212342-321.083-253.008-288.644-218.594-4771.094-265.642
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax95.9-25.0-12.1-155.1-82.4-33.2-39.3-61.9-54.2-105.4-71.813.6-52.8-105.1-50.8-12.621.3-27.668.2-9.5-10.257.5-16.3-25.8-54.4-36.0-13.6-22.6-41.6-34.646.3-7.7-19.2-18.0-32.9-8.9-13.5-20.2-25.122.5-20.2-17.3-22.1-16.2-370.0-21.4

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1281239210813415222833632929932229726423218217716011247643678127259341294318355368451300437352405423437407306384412330254332244312265
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-107.711-87.461-219.7329.718-33.202-107.5794-4.59884-8.54688-305.489-6.717-259.673294-107.108-35.075-116.686-368.506-109.6-395.303-95.3461.874384211-80.138-18.74-27.089-11.954-13.954-120.877-30.36121-33.5586.584-28.692-29.645-29.824-24.777-353.696-140.332-87.33553-173.22525941904
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax84.7-18.5-35.114.7-22.3-25.818.7-0.914.0-3.120.6-76.9-1.7-64.064.1-16.0-4.1-36.7-94.4-14.7-138.3-17.10.347.232.6-9.0-2.2-3.1-1.3-1.4-15.7-2.510.0-2.60.5-2.5-2.0-2.1-1.8-23.2-8.8-6.04.1-12.8201.2153.6

Payments Of Dividends

us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividends


Payments
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value213.48917161515-40.8391413130.00.00.00.00.00.00.02.2942.292.281414144328142828280.0562828282822222222222218
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value22230.00.00.07.69777328712785801030.00.00.0
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value20.627.60.924.50.180.3330.2420.2540.1750.152-0.0450.279-1.0270.288-1.76684.410.2830.58-0.2660.4670.30.34-0.1150.3490.343-0.479-0.005-0.0080.0260.065-8.82-21.59530.096-0.4020.018-0.0410.2430.18-0.009-0.0240.230.2350.005-0.0210.0090.241
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2020-12-312019-12-312010-12-312009-12-31
Value15.3218.0529.5926.86
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value46647639844-4.2974-259.023-31.34-1.180637-1199.77513011192
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value345376366364853102792410251.773326184819601691
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312016-09-302016-06-302015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312011-01-022010-12-312010-09-302010-06-302010-03-312010-01-022009-12-312008-12-31
Value31313133333131313131393937378.4378.4379.1031515124.2652.542.542.543422222234252525374265659191565656787884
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value1231259413628278-6.096-7.532-0.041136-41.0166261
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsValuationAllowance us-gaap:ValuationAllowanceByDeferredTaxAsset

cnx:DeferredTaxAssetValuationAllowanceStateOperatingLosses


Deferred
Period End2020-12-312019-12-312018-12-31
Value798147
Percentage of DeferredTaxAssetsValuationAllowance64.364.950.8

Litigation Reserve Current

us-gaap:LitigationReserveCurrent

us-gaap:LitigationReserveCurrent


Litigation
Period End2021-06-302021-03-312020-12-31
Value2410000.05884000.02025000.0
Percentage of LitigationReserveCurrent100.0100.0100.0

cnx:AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCall

cnx:AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCall


Adjustments
Period End2020-12-312020-09-302020-06-30
Value0.00.026
Percentage of AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCall0.00.0100.0

cnx:AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCall us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2020-12-312020-09-302020-06-30
Value0.00.026
Percentage of AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCall0.00.0100.0

us-gaap:Parent


Adjustments
Period End2020-09-302020-06-30
Value0.026
Percentage of AdjustmentsToAdditionalPaidInCapitalPurchaseOfCappedCall0.0100.0

cnx:DebtInstrumentPurchaseofOutstandingDebt us-gaap:DebtInstrument

cnx:DebtInstrumentPurchaseofOutstandingDebt

cnx:SeniorNotesdueApril2022


Debt
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value50409710.08.625391200.0-8.625400250.019
Percentage of DebtInstrumentPurchaseofOutstandingDebt100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.00.0100.0

cnx:DebtInstrumentPurchaseofOutstandingDebt us-gaap:DebtInstrument, us-gaap:SubsequentEventType

cnx:SeniorNotesdueApril2022, us-gaap:SubsequentEvent


Debt
Period End2020-10-082020-04-27
Value3637.625
Percentage of DebtInstrumentPurchaseofOutstandingDebt0.00.0

cnx:DebtInstrumentPurchaseofOutstandingDebt us-gaap:StatementScenario, us-gaap:DebtInstrument, us-gaap:SubsequentEventType

srt:ScenarioForecast, cnx:SeniorNotesdueApril2022, us-gaap:SubsequentEvent


Debt
Period End2020-08-14
Value50
Percentage of DebtInstrumentPurchaseofOutstandingDebt0.0

cnx:EPDepreciationDepletionandAmortization

cnx:EPDepreciationDepletionandAmortization


E
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value12212814411411312913312012812513011911912412310191951051011051051088987858882717166585252
Percentage of EPDepreciationDepletionandAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnx:EffectiveIncomeTaxRateReconciliationDeductionStateApportionmentRateChangesAmount

cnx:EffectiveIncomeTaxRateReconciliationDeductionStateApportionmentRateChangesAmount


Effective
Period End2021-06-30
Value16
Percentage of EffectiveIncomeTaxRateReconciliationDeductionStateApportionmentRateChangesAmount100.0

cnx:ExplorationProductionCostsAndOtherOperatingExpenses

cnx:ExplorationProductionCostsAndOtherOperatingExpenses


Exploration
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value134142125149182153153147
Percentage of ExplorationProductionCostsAndOtherOperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0

cnx:NetProceedsfromRevolverMLP

cnx:NetProceedsfromRevolverMLP


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value-77.0-54.0-52.024-28.035653871524033-9.0-129.513-2.0-7.0-4.0-7.010.0-2.0155.01800.00.00.0
Percentage of NetProceedsfromRevolverMLP100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

cnx:OtherRevenueAndOperatingIncome

cnx:OtherRevenueAndOperatingIncome


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value25241523
Percentage of OtherRevenueAndOperatingIncome100.0100.0100.0100.0

cnx:OtherRevenueAndOperatingIncome us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value6.8155.8843.7534.958
Percentage of OtherRevenueAndOperatingIncome26.723.623.521.2

cnx:OtherRevenueAndOperatingIncome us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, cnx:Shale


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value18191218
Percentage of OtherRevenueAndOperatingIncome73.376.476.578.8

cnx:PaymentsOnLongTermNotesIncludingRedemptionPremium

cnx:PaymentsOnLongTermNotesIncludingRedemptionPremium


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302011-12-312011-09-302010-12-312010-09-30
Value36350408590.00.00.040519212318405259618980.00.00.00.00.00.02.711261-3687.73225915830.00.00.00.00.00.00.00.00.0
Percentage of PaymentsOnLongTermNotesIncludingRedemptionPremium100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.0

cnx:ProductionRoyaltyInterestsandPurchasedGasCosts

cnx:ProductionRoyaltyInterestsandPurchasedGasCosts


Production
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1432243119242827181627109.747172013108.89514118.8847.86815103.635161815162616131412
Percentage of ProductionRoyaltyInterestsandPurchasedGasCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnx:RevenuesAndGainLossOnHedgingActivity

cnx:RevenuesAndGainLossOnHedgingActivity


Revenues
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value62261145411504526602275
Percentage of RevenuesAndGainLossOnHedgingActivity100.0100.0100.0100.0100.0100.0100.0100.0

cnx:SegmentReportingCapitalExpenditures

cnx:SegmentReportingCapitalExpenditures


Segment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1281239210813415222833632929932229726423218217716011247643778127259341294318355368451474313357349
Percentage of SegmentReportingCapitalExpenditures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnx:SegmentReportingCapitalExpenditures us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Segment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.2260.1690.0370.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of SegmentReportingCapitalExpenditures0.20.10.00.00.00.00.00.00.00.00.00.00.00.00.00.0

cnx:SegmentReportingCapitalExpenditures us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, cnx:CoalbedMethane


Segment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value1.5022.1422.312.0342.4522.196
Percentage of SegmentReportingCapitalExpenditures1.21.72.11.51.60.7

us-gaap:OperatingSegments, cnx:Shale


Segment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value127121105131147332
Percentage of SegmentReportingCapitalExpenditures98.798.197.897.997.299.0

cnx:StockholdersEquityMergerRelatedAdjustments

cnx:StockholdersEquityMergerRelatedAdjustments


Stockholders
Period End2020-12-312020-09-30
Value0.0-89.705
Percentage of StockholdersEquityMergerRelatedAdjustments0.0100.0

cnx:StockholdersEquityMergerRelatedAdjustments us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2020-12-312020-09-30
Value0.0725
Percentage of StockholdersEquityMergerRelatedAdjustments0.0-809.2

us-gaap:CommonStock


Stockholders
Period End2020-12-312020-09-30
Value0.00.371
Percentage of StockholdersEquityMergerRelatedAdjustments0.0-0.4

us-gaap:NoncontrollingInterest


Stockholders
Period End2020-12-312020-09-30
Value0.0-815.983
Percentage of StockholdersEquityMergerRelatedAdjustments0.0909.6

us-gaap:Parent


Stockholders
Period End2020-12-312020-09-30
Value0.0726
Percentage of StockholdersEquityMergerRelatedAdjustments0.0-809.6

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value0.0-0.0330.00.0178
Percentage of AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt0.0100.00.0100.0100.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt us-gaap:DebtInstrument, us-gaap:LongtermDebtType

cnx:Convertible225SeniorNotesDue2026, us-gaap:ConvertibleDebt


Adjustments
Period End2021-06-302021-03-31
Value0.078
Percentage of AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt0.0-237224.2

us-gaap:AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value0.0-0.0330.00.0178
Percentage of AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt0.0100.00.0100.0100.0

us-gaap:Parent


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value0.0-0.0330.00.0178
Percentage of AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt0.0100.00.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs

cnx:OtherReceivables


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value-3000.018000.01052000.0854000.093000.0
Percentage of AllowanceForDoubtfulAccountsReceivableWriteOffs100.0100.0100.0100.0100.0

us-gaap:AmortizationOfDebtDiscountPremium us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:AmortizationOfDebtDiscountPremium

cnx:Convertible225SeniorNotesDue2026, us-gaap:ConvertibleDebt


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value3809000.03722000.03637000.03554000.02325000.0
Percentage of AmortizationOfDebtDiscountPremium100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationAcquisitionRelatedCosts

cnx:CNXMCNXMidstreamGPLLCCNXResourcesHoldingLLCMergerAgreement


Business
Period End2020-09-30
Value4.717
Percentage of BusinessCombinationAcquisitionRelatedCosts100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferred1

cnx:CNXMCNXMidstreamGPLLCCNXResourcesHoldingLLCMergerAgreement


Business
Period End2020-09-28
Value384
Percentage of BusinessCombinationConsiderationTransferred1100.0

cnx:CNXMCNXMidstreamGPLLCCNXResourcesHoldingLLCMergerAgreements


Business
Period End2020-09-28
Value384
Percentage of BusinessCombinationConsiderationTransferred1100.0

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1


Change
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value465000.04194000.01338000.0-152000.0-3598000.0-10639000.000
Percentage of ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1100.0100.0100.0100.0100.0100.00.00.0

us-gaap:DerivativeNonmonetaryNotionalAmountVolume us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeNonmonetaryNotionalAmountVolume

cnx:BasisSwapPurchased


Derivative
Period End2021-06-302021-03-312020-09-30
Value-10.023-8.9
Percentage of DerivativeNonmonetaryNotionalAmountVolume100.0100.0100.0

cnx:CommoditySwapPurchased


Derivative
Period End2020-09-30
Value-16.2
Percentage of DerivativeNonmonetaryNotionalAmountVolume182.0

us-gaap:BasisSwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value671220-17.7132-56.512354974411124-780743.46300860076690010920072700
Percentage of DerivativeNonmonetaryNotionalAmountVolume-679.05194.90.0-1487.60.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Commodity


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value3291293-24.032-138.61387-41.8-13.4-38.51554-1094615.632000-79400.0114350016880057500
Percentage of DerivativeNonmonetaryNotionalAmountVolume-3293.05505.10.0-364.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:GainLossOnDispositionOfAssets1

us-gaap:GainLossOnDispositionOfAssets1


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-05-022018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value7.1862.873-0.3353.5675.93812343.3080.387-3.0858.0731340.2863.2811-9.2845140115.957155.614-7.26519484.3152.165307.5291.4173.6691519302.306
Percentage of GainLossOnDispositionOfAssets1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnOilAndGasHedgingActivity

us-gaap:GainLossOnOilAndGasHedgingActivity


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-538.85933289-168.834-63.303115135213221-195.376-108.9641825351261983-22.463-194.893198-199.38551411431790
Percentage of GainLossOnOilAndGasHedgingActivity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnOilAndGasHedgingActivity us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value-528.50331-259.1250.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of GainLossOnOilAndGasHedgingActivity98.192.8153.5-0.00.00.00.00.0-0.0-0.00.00.00.00.00.00.0

us-gaap:GainLossOnOilAndGasHedgingActivity us-gaap:ConsolidationItems, us-gaap:Energy, us-gaap:DerivativeInstrumentRisk

us-gaap:CorporateNonSegment, srt:NaturalGasReserves, cnx:CommoditySwap


Gain
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.02954
Percentage of GainLossOnOilAndGasHedgingActivity0.0-0.0-45.847.8

us-gaap:GainLossOnOilAndGasHedgingActivity us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, cnx:CoalbedMethane


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-0.9620.22210139.6876.0361.085-4.302-9.0970.6052.155-2.433.3053.093-6.788-9.198
Percentage of GainLossOnOilAndGasHedgingActivity0.20.7-6.2-20.58.42.80.52.28.33.48.4-6.92.616.1-8.140.9

us-gaap:OperatingSegments, cnx:Shale


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value-9.3942.182791008650
Percentage of GainLossOnOilAndGasHedgingActivity1.76.5-47.2-158.475.123.8

us-gaap:GainLossOnOilAndGasHedgingActivity us-gaap:DerivativeInstrumentRisk

us-gaap:InterestRateSwap


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-0.7752.9670.047-1.409-4.134-10.6960.583-0.518
Percentage of GainLossOnOilAndGasHedgingActivity0.18.90.00.86.5-9.30.4-0.2

us-gaap:GainLossOnOilAndGasHedgingActivity us-gaap:Energy, us-gaap:DerivativeInstrumentRisk

srt:NaturalGasReserves, cnx:CommoditySwap


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-646.18-90.909-297.059-28.97158188245-77.711
Percentage of GainLossOnOilAndGasHedgingActivity119.9-272.1175.945.8137.387.9110.839.8

srt:NaturalGasReserves, us-gaap:BasisSwap


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value107124128-34.333-42.98225-23.831-117.665-16.66-37.848
Percentage of GainLossOnOilAndGasHedgingActivity-19.9372.1-75.954.2-37.312.1-10.860.2-92.5-147.5

us-gaap:GainLossOnSaleOfCommodityContracts

us-gaap:GainLossOnSaleOfCommodityContracts


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value-10.3592.4057790142151435710-41.382-72.2382.82516-16.9912017-32.285-47.1034138
Percentage of GainLossOnSaleOfCommodityContracts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfCommodityContracts us-gaap:Energy, us-gaap:DerivativeInstrumentRisk

srt:NaturalGasReserves, cnx:CommoditySwap


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-16.4926.55721531576118-26.95
Percentage of GainLossOnSaleOfCommodityContracts159.2272.379.8107.7104.2107.7174.065.1

srt:NaturalGasReserves, cnx:NYMEXCommoditySwaps


Gain
Period End2020-09-302020-06-302020-03-31
Value0.00.054
Percentage of GainLossOnSaleOfCommodityContracts0.00.036.4

srt:NaturalGasReserves, cnx:NYMEXNaturalGasHedges


Gain
Period End2020-09-302020-06-30
Value-23.16429
Percentage of GainLossOnSaleOfCommodityContracts-25.620.4

srt:NaturalGasReserves, us-gaap:BasisSwap


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value6.133-4.14518-10.893-6.418-4.4-7.895-14.432-4.091-0.374
Percentage of GainLossOnSaleOfCommodityContracts-59.2-172.320.2-7.7-4.2-7.7-74.034.9-144.8-2.2

us-gaap:GainLossOnSaleOfDerivatives us-gaap:DerivativeInstrumentRisk

us-gaap:GainLossOnSaleOfDerivatives

us-gaap:InterestRateSwap


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value-1.24-1.227-1.257-0.536-0.0570.195
Percentage of GainLossOnSaleOfDerivatives100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfOtherAssets

us-gaap:GainLossOnSaleOfOtherAssets


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7.1872.873-0.3353.5675.93712343.3090.386-3.0858.0731343.2811-9.2845140115.957155.603-7.26519484.3152.165-56.2167.5291.4173.669-14.686-19.836-30.782-2.176-91.978-0.276-209.6941956-15.1324.8160.3231.4337.6092.305-1.439
Percentage of GainLossOnSaleOfOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GoodwillImpairmentLoss

us-gaap:GoodwillImpairmentLoss


Goodwill
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.00.04730.00.0
Percentage of GoodwillImpairmentLoss0.00.00.0100.00.00.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.3370.396-1.26-0.1610.40.6730.5270.5030.6751.2411.6691.7781512101211159.219161615111188-16.965-14.062-7.4553-3.609-11.87-4.79749-7.573-23.0387.9354.6748.6775.8315.4815.8336.9034.8193.873
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value1.5530.950.3961.2590.1610.673
Percentage of IncomeLossFromEquityMethodInvestments0.00.0100.0-99.9-100.0100.0

us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance us-gaap:ValuationAllowanceByDeferredTaxAsset

us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance

cnx:StateNetOperatingLoss


Income
Period End2021-06-30
Value-5.052
Percentage of IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance100.0

us-gaap:IncreaseDecreaseCashCollateralFromCounterparties

us-gaap:IncreaseDecreaseCashCollateralFromCounterparties


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-09-30
Value-10.3592.4057790142151435710-41.382-72.2382.82516-16.9912017-32.285-47.1034138808444
Percentage of IncreaseDecreaseCashCollateralFromCounterparties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsAndNotesReceivable

us-gaap:IncreaseDecreaseInAccountsAndNotesReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value107.586693.427-24.631-43.63936-28.724-31.511-94.48107-5.969-29.651-14.50551-22.334-23.805275213-38.01219-40.93313-63.861-26.523-161.489113022124-14.215-1.77727-33.577-26.675221733-0.885242629-10.137-75.819152
Percentage of IncreaseDecreaseInAccountsAndNotesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes

us-gaap:IncreaseDecreaseInDeferredIncomeTaxes


Increase
Period End2021-06-30
Value11
Percentage of IncreaseDecreaseInDeferredIncomeTaxes100.0

us-gaap:IncreaseDecreaseInIncomeTaxes

us-gaap:IncreaseDecreaseInIncomeTaxes


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
Value0.00.0880.5551130.821-52.836-51.3561020.035-109.997-12.244-7.60211609.416
Percentage of IncreaseDecreaseInIncomeTaxes0.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInInterestPayableNet

us-gaap:IncreaseDecreaseInInterestPayableNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value24-9.8729.653-8.409-0.495-5.0632.17-2.6912.872.18-11.6519.17-28.26324-34.04832-35.85534-37.02536-36.67435-37.2337-16.5742-42.56643-61.71651-50.27150-50.3850
Percentage of IncreaseDecreaseInInterestPayableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherAccruedLiabilities

us-gaap:IncreaseDecreaseInOtherAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.061-0.056-0.047-0.055-0.084-1.047-0.466-16.1340.601-7.5088.18-4.3620.126-5.523-9.89-11.295-10.036-7.104-17.96319-4.1471.26836-36.09-10.305-64.9770.786.2683.655-2.3045.341-13.845160.448-21.98732-8.9280.877-0.1751613-29.49432-32.53514
Percentage of IncreaseDecreaseInOtherAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.0480.0360.3060.1290.296-0.692-0.991-0.1140.0990.006-4.22115-11.705-24.716-0.93684-1.0575.5479.75119-5.725-10.222-6.96614-27.766130.3546.828-0.194176.7491.92-19.56521-10.837-1.299-1.139-5.858-9.44916-4.289-10.687-8.788
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.1580.562349.141-35.994-13.626444.703-1.958-34.43422286.755-5.25151-5.394-36.18281.014-7.301-14.9180.849-78.77323-28.267-68.71178415618-206.441180-25.95919-1.50454-127.926621743-52.4727519444024
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPrepaidExpense

us-gaap:IncreaseDecreaseInPrepaidExpense


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-0.296-0.29-0.2231.842-1.832-4.712.61-1.438-0.326-3.9611.0541.664-2.3821.0551.2389.646-10.645-0.87-12.603-24.287-28.032-19.104-24.596-19.531-45.084-38.476-2.81-21.3519.036156.04-33.692167.9449.457-21.07125-6.231-5.04224-16.094-7.585-5.24230-3.93-0.782
Percentage of IncreaseDecreaseInPrepaidExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8.7468140.00.0-1.5488990.982211.2564430.0-0.0079172.4695732.938472.2523710.6433080.02.1399740.00.020790.00.00.03150.00.7122870.1058950.00.01.3414931.3493140.00.00.0-0.1523430.01.7037912.854742-0.0974072.4195262.4902722464-0.285042.310762.3655642622
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.00.00.0100.00.00.00.0100.00.0100.0100.00.00.0100.0100.00.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseDebtExcludingAmortization us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:InterestExpenseDebtExcludingAmortization

cnx:Convertible225SeniorNotesDue2026, us-gaap:ConvertibleDebt


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value1941000.01941000.01941000.01941000.01294000.0
Percentage of InterestExpenseDebtExcludingAmortization100.0100.0100.0100.0100.0

us-gaap:MinorityInterestPeriodIncreaseDecrease

us-gaap:MinorityInterestPeriodIncreaseDecrease


Minority
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312012-12-312012-09-302011-12-312011-09-302011-06-302011-03-31
Value-21.055-3.49-17.443-16.25-15.689-15.123-14.099-13.613-13.127-5.468-5.468-5.467-5.416-5.416-5.412-5.4130.0320.00.00.05.129-0.6163.951
Percentage of MinorityInterestPeriodIncreaseDecrease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0

us-gaap:MinorityInterestPeriodIncreaseDecrease us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Minority
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312012-12-312012-09-302011-12-312011-09-302011-06-302011-03-31
Value-21.055-3.49-17.443-16.25-15.689-15.123-14.099-13.614-13.127-5.468-5.468-5.467-5.416-5.416-5.412-5.4130.0320.00.00.05.129-0.6163.951
Percentage of MinorityInterestPeriodIncreaseDecrease100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeaseExpense


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-30
Value109.2689.75310101012141918161625242121
Percentage of OperatingLeaseExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherAmortizationOfDeferredCharges

us-gaap:OtherAmortizationOfDeferredCharges


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value6.1226.0346.65.8076.3482.4471.691.6492.7011.7071.7211.8191.7783.0433.9946.6360.00.0
Percentage of OtherAmortizationOfDeferredCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.01515233128302227211917-10.5330.7794.3025.452-4.2792.2481.1791.114
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value-0.136-0.1352.914-0.112-0.111-0.1124.827-0.041-0.041-0.0440.332-0.022-1.812-0.17-1.798-3.464-3.464-3.50240-1.305-8.0452.4844649-9.4670.14990-184.1543.798-5.119-342.852-24.98-42.904-45.757-7.921-7.586
Percentage of OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossTax

cnx:AdjustmentForActuariallyDeterminedLiabilities


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value-0.048-0.0481.033-0.04-0.039-0.041.708-0.015-0.014-0.0150.002-0.013-0.687-0.094-2.034-2.0342.052-1.043-5.0080.68229-4.8750.09-107.3832.214-2.985-15.422-26.489-28.25-32.629-4.775-4.570.0-15.110.0
Percentage of OtherComprehensiveIncomeLossTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0

us-gaap:OtherExpenses

us-gaap:OtherExpenses


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value15151423262018191723211717164426231721213027232620192513212621262225
Percentage of OtherExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value554000.0150000.0-1391000.0-161000.0
Percentage of OtherNoncashIncomeExpense100.0100.0100.0100.0

us-gaap:OtherOperatingIncome

us-gaap:OtherOperatingIncome


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-42.714213.7534.9584.2423.3162.9233.1973.7963.9038.5341016201615
Percentage of OtherOperatingIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherOperatingIncome us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Other
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value4.4660.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of OtherOperatingIncome21.10.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherOperatingIncome us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, cnx:Shale


Other
Period End2020-09-302019-09-30
Value1618
Percentage of OtherOperatingIncome78.9558.7

us-gaap:PaymentsOfFinancingCosts

us-gaap:PaymentsOfFinancingCosts


Payments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.01.323.3960.848110.0316.5963.3420.0261.029180.00.0480.250.4820.00.00.04.3290.018-24.8612.833220.00.00.00.131-0.131-0.0170.0790.1280.020.1470.112104.5170.0243.657800.0
Percentage of PaymentsOfFinancingCosts0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.00.00.0100.00.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value45000.04491000.061000.01000.063000.01890000.026000.062000.01513000.04709000.050000.0138000.035000.05162000.0-674000.0262000.0815000.06278000.0-20000.012000.0147000.01510000.0
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromConvertibleDebt

us-gaap:ProceedsFromConvertibleDebt


Proceeds
Period End2021-03-312020-12-312020-09-302020-06-30
Value3340.00.0334
Percentage of ProceedsFromConvertibleDebt100.00.00.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.0024.7990.2520.1511.650.0040.3550.0490.0620.0990.0240.1260.5071.0560.150.1360.2290.4940.00.00.0010.0030.00.06.5521.7361.6130.1698.2584.9761.0292.6982.4970.9097.0440.7770.4030.0540.00.00.00.00.00.00.01828
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.0100.0

us-gaap:ProceedsFromIssuanceOfOtherLongTermDebt

us-gaap:ProceedsFromIssuanceOfOtherLongTermDebt


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value-5.587-5.202-3.6671730.00.0
Percentage of ProceedsFromIssuanceOfOtherLongTermDebt100.0100.0100.0100.00.00.0

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt

us-gaap:ProceedsFromIssuanceOfSeniorLongTermDebt


Proceeds
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value2070.00.00.00.0500
Percentage of ProceedsFromIssuanceOfSeniorLongTermDebt100.00.00.00.00.0100.0

us-gaap:ProceedsFromSaleOfProductiveAssets

us-gaap:ProceedsFromSaleOfProductiveAssets


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6.9645.005165.8551213298.1891.2815.8061034751101-12.693813251920209.8318.45327764.8232.1082158.0617.547125-114.2053571021386233122328526877.180.334222.3350.152
Percentage of ProceedsFromSaleOfProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProductionTaxExpense

us-gaap:ProductionTaxExpense


Production
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value7.4455.9686.6565.9945.3846.1627.3586.1277.036.9468.4737.3427.7039.2339.4135.9194.6069.3297.3179.0276.4028.3035.8338.4756.9389.192108.48610108.6668.0337.4094.569
Percentage of ProductionTaxExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForDoubtfulAccounts us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:ProvisionForDoubtfulAccounts

cnx:OtherReceivables


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value74000.0-129000.0-214000.0238000.0170000.02566000.0206000.0
Percentage of ProvisionForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0

us-gaap:TradeAccountsReceivable


Provision
Period End2020-12-312020-09-302020-06-302020-03-31
Value6000.00-53000.0131000.0
Percentage of ProvisionForDoubtfulAccounts-2.80.0-31.25.1

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RepaymentsOfLinesOfCredit


Repayments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-03-312018-03-31
Value0.00.8140-113.0224980.0
Percentage of RepaymentsOfLinesOfCredit0.0100.0100.0100.0100.0100.00.0

us-gaap:RepaymentsOfOtherDebt

us-gaap:RepaymentsOfOtherDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.6881.8381.8071.7791.7771.7921.8271.8071.7681.7471.711.7071.7062.042-0.9072.9713.0312.9422.091.7632.3312.1282.776-2.551.6342.478171.002-1.5034.67-0.746312927-22.1591.9032.3322.332.3072.2153.4073.6982.8482.9742.1033.487
Percentage of RepaymentsOfOtherDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RepaymentsOfOtherLongTermDebt

us-gaap:RepaymentsOfOtherLongTermDebt


Repayments
Period End2021-06-302021-03-31
Value7.295.823
Percentage of RepaymentsOfOtherLongTermDebt100.0100.0

us-gaap:ResultsOfOperationsGeneralAndAdministrativeRelatedToOilAndGasProducingActivities

us-gaap:ResultsOfOperationsGeneralAndAdministrativeRelatedToOilAndGasProducingActivities


Results
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value2328332223303424483536323431302020212826161712121415161415179.80810108.59
Percentage of ResultsOfOperationsGeneralAndAdministrativeRelatedToOilAndGasProducingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ResultsOfOperationsImpairmentOfOilAndGasProperties

us-gaap:ResultsOfOperationsImpairmentOfOilAndGasProperties


Results
Period End2020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.00.0610.00.0
Percentage of ResultsOfOperationsImpairmentOfOilAndGasProperties0.00.0100.00.00.0

us-gaap:ResultsOfOperationsImpairmentOfOilAndGasProperties us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

cnx:SouthwestPennsylvaniaCBMAssetGroup


Results
Period End2021-03-312020-09-30
Value610.0
Percentage of ResultsOfOperationsImpairmentOfOilAndGasProperties0.00.0

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensationForfeited

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensationForfeited


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value45000.04491000.061000.01000.063000.01890000.026000.061000.01512000.04709000.051000.0137000.035000.05162000.0674000.0-262000.0-815000.0-6278000.0-16000.0
Percentage of StockGrantedDuringPeriodValueSharebasedCompensationForfeited100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensationForfeited us-gaap:StatementEquityComponents

us-gaap:NoncontrollingInterest


Stock
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value000309000.06000.0025000.0664000.001000.00347000.01009000.0-1009000.0000
Percentage of StockGrantedDuringPeriodValueSharebasedCompensationForfeited0.00.00.016.323.10.01.714.10.00.70.06.7149.7385.1-0.0-0.0-0.0

us-gaap:Parent


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value45000.04491000.061000.01000.063000.01581000.020000.061000.01487000.04045000.051000.0136000.035000.04815000.0-335000.0-61000.0-7000.0-6278000.0-16000.0
Percentage of StockGrantedDuringPeriodValueSharebasedCompensationForfeited100.0100.0100.0100.0100.083.776.9100.098.385.9100.099.3100.093.3-49.723.30.9100.0100.0

us-gaap:RetainedEarnings


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value45000.04491000.061000.01000.063000.01581000.020000.061000.01487000.04045000.051000.0136000.035000.04815000.0-335000.0-61000.0-7000.0-6278000.0-16000.0
Percentage of StockGrantedDuringPeriodValueSharebasedCompensationForfeited100.0100.0100.0100.0100.083.776.9100.098.385.9100.099.3100.093.3-49.723.30.9100.0100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue


Stock
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value22170.07.6977433871288483
Percentage of StockRepurchasedAndRetiredDuringPeriodValue100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value13110.0017.687682451664246
Percentage of StockRepurchasedAndRetiredDuringPeriodValue57.465.10.099.992.874.459.651.950.055.1

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0170.0140.00.010.0880.0310.0660.0830.0530.057
Percentage of StockRepurchasedAndRetiredDuringPeriodValue0.10.10.00.10.10.10.10.10.10.1

us-gaap:Parent


Stock
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value22170.07.6977433871288483
Percentage of StockRepurchasedAndRetiredDuringPeriodValue100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RetainedEarnings


Stock
Period End2021-06-302021-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9.6446.272-0.0010.05.2618.52935614237
Percentage of StockRepurchasedAndRetiredDuringPeriodValue42.534.90.00.07.125.540.348.150.044.9

us-gaap:TreasuryStockAcquiredAverageCostPerShare

us-gaap:TreasuryStockAcquiredAverageCostPerShare


Treasury
Period End2021-06-302021-03-312019-12-31
Value0.8612.260
Percentage of TreasuryStockAcquiredAverageCostPerShare100.0100.00.0

us-gaap:UnrealizedGainLossOnDerivatives us-gaap:DerivativeInstrumentRisk

us-gaap:UnrealizedGainLossOnDerivatives

us-gaap:InterestRateSwap


Unrealized
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value0.4654.194-0.152-3.598-10.639-0.713
Percentage of UnrealizedGainLossOnDerivatives100.0100.0100.0100.0100.0100.0

us-gaap:UnrealizedGainLossOnDerivativesAndCommodityContracts

us-gaap:UnrealizedGainLossOnDerivativesAndCommodityContracts


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-528.531212-259.144-205.559-36.01992156210-153.994-36.726158.976521051.51211624-236.802159-279.715-29.2716299-24.93660
Percentage of UnrealizedGainLossOnDerivativesAndCommodityContracts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrealizedGainLossOnDerivativesAndCommodityContracts us-gaap:Energy, us-gaap:DerivativeInstrumentRisk

srt:NaturalGasReserves, cnx:CommoditySwap


Unrealized
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-629.688-97.459-369.121-182.1190.545126226-50.761
Percentage of UnrealizedGainLossOnDerivativesAndCommodityContracts119.1-314.3142.488.6-1.580.7107.633.0

srt:NaturalGasReserves, us-gaap:BasisSwap


Unrealized
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value101128109-23.44-36.56430-15.936-103.233-12.569-37.474
Percentage of UnrealizedGainLossOnDerivativesAndCommodityContracts-19.1414.3-42.411.4101.519.3-7.667.0-82.8-417.5

us-gaap:VariableInterestEntityOwnershipPercentage us-gaap:ConsolidatedEntities, us-gaap:StatementScenario, us-gaap:PartnerTypeOfPartnersCapitalAccount, us-gaap:SubsequentEventType

us-gaap:VariableInterestEntityOwnershipPercentage

us-gaap:VariableInterestEntityPrimaryBeneficiary, srt:ScenarioForecast, us-gaap:LimitedPartner, us-gaap:SubsequentEvent


Variable
Period End2022-01-01
Value0.565
Percentage of VariableInterestEntityOwnershipPercentage100.0

cnx:AccruedTransportationCharges

cnx:AccruedTransportationCharges


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312017-12-31
Value17171519222216191913
Percentage of AccruedTransportationCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnx:CapitalizedCostsOtherGasAssets

cnx:CapitalizedCostsOtherGasAssets


Capitalized
Period End2020-12-312019-12-312018-12-312017-12-31
Value957354181
Percentage of CapitalizedCostsOtherGasAssets100.0100.0100.0100.0

cnx:DebtConversionConvertedInstrumentAmountDifference us-gaap:DebtInstrument, us-gaap:LongtermDebtType

cnx:DebtConversionConvertedInstrumentAmountDifference

cnx:Convertible225SeniorNotesDue2026, us-gaap:ConvertibleDebt


Debt
Period End2021-06-30
Value95
Percentage of DebtConversionConvertedInstrumentAmountDifference100.0

cnx:DebtInstrumentBorrowingBase us-gaap:CreditFacility, us-gaap:SubsequentEventType

cnx:DebtInstrumentBorrowingBase

us-gaap:RevolvingCreditFacility, us-gaap:SubsequentEvent


Debt
Period End2020-10-292020-04-272019-10-312019-04-24
Value1900190023002100
Percentage of DebtInstrumentBorrowingBase100.0100.0100.0100.0

cnx:DeferredTaxAssetsGasWellClosing

cnx:DeferredTaxAssetsGasWellClosing


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value24171055
Percentage of DeferredTaxAssetsGasWellClosing100.0100.0100.0100.0

cnx:DeferredTaxAssetsOperatingLeaseRightOfUse

cnx:DeferredTaxAssetsOperatingLeaseRightOfUse


Deferred
Period End2020-12-312019-12-31
Value2847
Percentage of DeferredTaxAssetsOperatingLeaseRightOfUse100.0100.0

cnx:DeferredTaxLiabilitiesAdvanceRoyalties

cnx:DeferredTaxLiabilitiesAdvanceRoyalties


Deferred
Period End2020-12-312019-12-31
Value2519000.03337000.0
Percentage of DeferredTaxLiabilitiesAdvanceRoyalties100.0100.0

cnx:DeferredTaxLiabilitiesDeferredExpenseDebtDiscount

cnx:DeferredTaxLiabilitiesDeferredExpenseDebtDiscount


Deferred
Period End2020-12-31
Value18
Percentage of DeferredTaxLiabilitiesDeferredExpenseDebtDiscount100.0

cnx:DrillingCost

cnx:DrillingCost


Drilling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value512750564965490048444764468845664411412038493663355234653583351534913481345233603252305727982388222820441937183017211623155015271446134412771234128511911116913
Percentage of DrillingCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnx:ExploratoryWellsDrilledButUncompleted

cnx:ExploratoryWellsDrilledButUncompleted


Exploratory
Period End2020-12-31
Value1.0
Percentage of ExploratoryWellsDrilledButUncompleted100.0

cnx:FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCostsCapital us-gaap:ReportingUnit

cnx:FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCostsCapital

cnx:Midstream


Future
Period End2020-12-31
Value286
Percentage of FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCostsCapital100.0

cnx:FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCostsCapitalPresentValueOnDiscountedBasis us-gaap:ReportingUnit

cnx:FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCostsCapitalPresentValueOnDiscountedBasis

cnx:Midstream


Future
Period End2020-12-31
Value231
Percentage of FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCostsCapitalPresentValueOnDiscountedBasis100.0

cnx:GasAndOilAcreageUnprovedNet

cnx:GasAndOilAcreageUnprovedNet


Gas
Period End2020-12-312013-12-312012-12-312011-12-312010-04-30
Value36374212403840401.46
Percentage of GasAndOilAcreageUnprovedNet100.0100.0100.0100.0100.0

cnx:GasGatheringSystemsNet

cnx:GasGatheringSystemsNet


Gas
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value245925192510250524922477246323992324212611821131113311271138113311281121114711221113110110881082107410821058104610341024100610009889709639251025980941804
Percentage of GasGatheringSystemsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnx:GasWellsAndRelatedEquipment

cnx:GasWellsAndRelatedEquipment


Gas
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value11641138112011021086106710421047983856834825790763791819819814785838802253716397388388688623542508492442419410408374391375367251
Percentage of GasWellsAndRelatedEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnx:LettersOfCreditAmountOutstanding us-gaap:CreditFacility

cnx:LettersOfCreditAmountOutstanding

us-gaap:RevolvingCreditFacility


Letters
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value188188185185204204204199198193198251251253239
Percentage of LettersOfCreditAmountOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnx:NetDevelopmentWellsDrilledButUncompleted

cnx:NetDevelopmentWellsDrilledButUncompleted


Net
Period End2020-12-31
Value23.0
Percentage of NetDevelopmentWellsDrilledButUncompleted100.0

cnx:NetDevelopmentalWellsCompletedAwaitingTieInToProduction

cnx:NetDevelopmentalWellsCompletedAwaitingTieInToProduction


Net
Period End2020-12-31
Value2.0
Percentage of NetDevelopmentalWellsCompletedAwaitingTieInToProduction100.0

cnx:OtherGasAssets

cnx:OtherGasAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value189189189194193191187158150912211901891891901271271281251231251241231251241271261251258290828180797483858415
Percentage of OtherGasAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnx:ProvedDevelopedandUndevelopedReserveReservesReportedForMoreThanFiveYearsEnergy

cnx:ProvedDevelopedandUndevelopedReserveReservesReportedForMoreThanFiveYearsEnergy


Proved
Period End2020-12-31
Value320
Percentage of ProvedDevelopedandUndevelopedReserveReservesReportedForMoreThanFiveYearsEnergy100.0

cnx:SurfaceLandAndOtherEquipment

cnx:SurfaceLandAndOtherEquipment


Surface
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312016-12-31
Value197199199222225225226233236308309323
Percentage of SurfaceLandAndOtherEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnx:TotalAcreageGross

cnx:TotalAcreageGross


Total
Period End2020-12-31
Value5381
Percentage of TotalAcreageGross100.0

cnx:TotalAcreageNet

cnx:TotalAcreageNet


Total
Period End2020-12-31
Value4033
Percentage of TotalAcreageNet100.0

cnx:TotalDeferredCreditsAndOtherLiabilities

cnx:TotalDeferredCreditsAndOtherLiabilities


Total
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value312531003178335132763383356934423423321459542634638638215151481150715411441160616321644165316261975200619382163216021034034406841014155424642794244434842544260428242833849
Percentage of TotalDeferredCreditsAndOtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

cnx:UnprovedAcreageGross

cnx:UnprovedAcreageGross


Unproved
Period End2020-12-31
Value4986
Percentage of UnprovedAcreageGross100.0

cnx:Valuationallowanceonforeigntaxcredits

cnx:Valuationallowanceonforeigntaxcredits


Valuationallowanceonforeigntaxcredits
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value434343443925
Percentage of Valuationallowanceonforeigntaxcredits100.0100.0100.0100.0100.0100.0

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows


Future
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1657719489266101926111303
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
Value19571121160017101550
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
Value22352720414724751482
Percentage of FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense100.0100.0100.0100.0100.0

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows


Future
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value631377441313278402419
Percentage of FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows100.0100.0100.0100.0100.0

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts

srt:FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts


Future
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value60717903773072345850
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
Value36774673847647091464
Percentage of FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows100.0100.0100.0100.0100.0

srt:GasAndOilAreaDevelopedGross

srt:GasAndOilAreaDevelopedGross


Gas
Period End2020-12-31
Value351
Percentage of GasAndOilAreaDevelopedGross100.0

srt:GasAndOilAreaDevelopedNet

srt:GasAndOilAreaDevelopedNet


Gas
Period End2020-12-31
Value351
Percentage of GasAndOilAreaDevelopedNet100.0

srt:GasAndOilAreaUndevelopedGross

srt:GasAndOilAreaUndevelopedGross


Gas
Period End2020-12-31
Value43
Percentage of GasAndOilAreaUndevelopedGross100.0

srt:GasAndOilAreaUndevelopedNet

srt:GasAndOilAreaUndevelopedNet


Gas
Period End2020-12-312019-12-31
Value4328
Percentage of GasAndOilAreaUndevelopedNet100.0100.0

srt:OilAndGasDeliveryCommitmentsAndContractsRemainingContractualVolume

srt:OilAndGasDeliveryCommitmentsAndContractsRemainingContractualVolume


Oil
Period End2020-12-31
Value492
Percentage of OilAndGasDeliveryCommitmentsAndContractsRemainingContractualVolume100.0

srt:ProductiveGasWellsNumberOfWellsGross cnx:ProducingWellsInterest

srt:ProductiveGasWellsNumberOfWellsGross

cnx:RoyaltyInterest


Productive
Period End2020-12-31
Value1810000.0
Percentage of ProductiveGasWellsNumberOfWellsGross100.0

cnx:WorkingInterest


Productive
Period End2020-12-31
Value4712000.0
Percentage of ProductiveGasWellsNumberOfWellsGross260.3

srt:ProductiveGasWellsNumberOfWellsNet cnx:ProducingWellsInterest

srt:ProductiveGasWellsNumberOfWellsNet

cnx:WorkingInterest


Productive
Period End2020-12-31
Value4401000.0
Percentage of ProductiveGasWellsNumberOfWellsNet100.0

srt:ProductiveOilWellsNumberOfWellsGross cnx:ProducingWellsInterest

srt:ProductiveOilWellsNumberOfWellsGross

cnx:RoyaltyInterest


Productive
Period End2020-12-31
Value152000.0
Percentage of ProductiveOilWellsNumberOfWellsGross100.0

srt:ProvedDevelopedAndUndevelopedReserveNetEnergy

srt:ProvedDevelopedAndUndevelopedReserveNetEnergy


Proved
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value954984257881758162515642
Percentage of ProvedDevelopedAndUndevelopedReserveNetEnergy100.0100.0100.0100.0100.0100.0

srt:ProvedDevelopedAndUndevelopedReserveNetEnergy us-gaap:Energy

cnx:ProvedUndeveloped


Proved
Period End2020-12-312019-12-312018-12-31
Value435035863386
Percentage of ProvedDevelopedAndUndevelopedReserveNetEnergy45.642.643.0

srt:ProvedDevelopedAndUndevelopedReservesNet us-gaap:Energy

srt:ProvedDevelopedAndUndevelopedReservesNet

srt:CrudeOil


Proved
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value408153668261495010009
Percentage of ProvedDevelopedAndUndevelopedReservesNet100.0100.0100.0100.0100.0

srt:NaturalGasLiquidsReserves


Proved
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value8186775844659047169160532
Percentage of ProvedDevelopedAndUndevelopedReservesNet2006.11413.4797.81448.3604.8

srt:NaturalGasReserves


Proved
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value90347938743671215828
Percentage of ProvedDevelopedAndUndevelopedReservesNet221.4147.990.0143.958.2

srt:ProvedDevelopedReservesBOE1

srt:ProvedDevelopedReservesBOE1


Proved
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value51994838449444093683
Percentage of ProvedDevelopedReservesBOE1100.0100.0100.0100.0100.0

srt:ProvedDevelopedReservesVolume us-gaap:Energy

srt:ProvedDevelopedReservesVolume

srt:CrudeOil


Proved
Period End2020-12-312019-12-312018-12-312017-12-31
Value1207108718703567
Percentage of ProvedDevelopedReservesVolume100.0100.0100.0100.0

srt:NaturalGasLiquidsReserves


Proved
Period End2020-12-312019-12-312018-12-312017-12-31
Value42204598004018056022
Percentage of ProvedDevelopedReservesVolume3496.65501.42148.71570.6

srt:NaturalGasReserves


Proved
Period End2020-12-312019-12-312018-12-312017-12-31
Value4939447342424051
Percentage of ProvedDevelopedReservesVolume409.2411.5226.9113.6

srt:ProvedUndevelopedReserveBOE1

srt:ProvedUndevelopedReserveBOE1


Proved
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value43503586338631722568
Percentage of ProvedUndevelopedReserveBOE1100.0100.0100.0100.0100.0

srt:ProvedUndevelopedReserveVolume us-gaap:Energy

srt:ProvedUndevelopedReserveVolume

srt:CrudeOil


Proved
Period End2020-12-312019-12-312018-12-312017-12-31
Value2874427863911383
Percentage of ProvedUndevelopedReserveVolume100.0100.0100.0100.0

srt:NaturalGasLiquidsReserves


Proved
Period End2020-12-312019-12-312018-12-312017-12-31
Value39664160442572415669
Percentage of ProvedUndevelopedReserveVolume1380.1375.0402.51133.0

srt:NaturalGasReserves


Proved
Period End2020-12-312019-12-312018-12-312017-12-31
Value4094346431933070
Percentage of ProvedUndevelopedReserveVolume142.581.050.0222.0

srt:StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves

srt:StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves


Standardized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value26353070465531319551019
Percentage of StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccountsReceivableGrossCurrent


Accounts
Period End2020-09-302020-06-302020-03-312019-12-31
Value766991133
Percentage of AccountsReceivableGrossCurrent100.0100.0100.0100.0

us-gaap:AccountsReceivableGrossCurrent us-gaap:MajorCustomers, us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

cnx:GasCustomers, us-gaap:AccountsReceivable, us-gaap:CustomerConcentrationRisk


Accounts
Period End2020-12-312019-12-31
Value133115
Percentage of AccountsReceivableGrossCurrent0.086.6

cnx:NGLCondensateAndProcessingFacilities, us-gaap:AccountsReceivable, us-gaap:CustomerConcentrationRisk


Accounts
Period End2020-12-312019-12-31
Value7.00810
Percentage of AccountsReceivableGrossCurrent0.07.6

cnx:OtherCustomers, us-gaap:AccountsReceivable, us-gaap:CustomerConcentrationRisk


Accounts
Period End2020-12-312019-12-31
Value5.7527.699
Percentage of AccountsReceivableGrossCurrent0.05.8

us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent

us-gaap:AccrualForTaxesOtherThanIncomeTaxesCurrent


Accrual
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value139.98109.681119.3859.1158.7887.39.7792015172636505642
Percentage of AccrualForTaxesOtherThanIncomeTaxesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedBonusesCurrent

us-gaap:AccruedBonusesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value7.076.0265.0096.0826.6086.2096.2485.9096.53312198.349493028373835
Percentage of AccruedBonusesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedLiabilitiesAndOtherLiabilities

us-gaap:AccruedLiabilitiesAndOtherLiabilities


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312017-12-312016-12-312015-12-312014-12-31
Value9.306132635304138403130597885
Percentage of AccruedLiabilitiesAndOtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedRoyaltiesCurrentAndNoncurrent

us-gaap:AccruedRoyaltiesCurrentAndNoncurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value8583725350707464926044405234
Percentage of AccruedRoyaltiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax


Accumulated
Period End2020-12-312019-12-312018-12-31
Value15127.904
Percentage of AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax100.0100.0100.0

us-gaap:AdvancesForGasExplorationDevelopmentAndProductionAmount us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AdvancesForGasExplorationDevelopmentAndProductionAmount

cnx:AssetsAmortizedByUnitsOfProduction


Advances
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value9.676121213131920228.2293.8842.8
Percentage of AdvancesForGasExplorationDevelopmentAndProductionAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivable us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:AllowanceForDoubtfulAccountsReceivable

cnx:OtherReceivables


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value3178000.03101000.03248000.04514000.05130000.05029000.02463000.02350000.02038000.0
Percentage of AllowanceForDoubtfulAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TradeAccountsReceivable


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value84000.084000.084000.078000.078000.0131000.0
Percentage of AllowanceForDoubtfulAccountsReceivable2.62.72.61.71.52.6

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AccountsReceivable, us-gaap:CustomerConcentrationRisk


Allowance
Period End2020-12-31
Value84000.0
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0

us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestTax us-gaap:StatementEquityComponents

us-gaap:AociIncludingPortionAttributableToNoncontrollingInterestTax

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentIncludingPortionAttributableToNoncontrollingInterest


Aoci
Period End2020-12-312019-12-312018-12-31
Value-5397000.0-4483000.0-2817000.0
Percentage of AociIncludingPortionAttributableToNoncontrollingInterestTax100.0100.0100.0

us-gaap:AssetRetirementObligation

us-gaap:AssetRetirementObligation


Asset
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312010-01-022009-12-312008-12-31
Value936838204473549575600699650670533533544
Percentage of AssetRetirementObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationCurrent

us-gaap:AssetRetirementObligationCurrent


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312017-12-31
Value8455000.08455000.08455000.05076000.05076000.05076000.05076000.05076000.01075000.05302000.0
Percentage of AssetRetirementObligationCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligationsNoncurrent

us-gaap:AssetRetirementObligationsNoncurrent


Asset
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value8182846162646333323337167.6067.98519822322422422316416416416418318117817518018017717519719315014814714412512411811613313085
Percentage of AssetRetirementObligationsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities

us-gaap:CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities


Capitalized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value385232632475340830992691-1515.983-1187.409-953.873-773.027623429
Percentage of CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedCostsOilAndGasProducingActivitiesGross

us-gaap:CapitalizedCostsOilAndGasProducingActivitiesGross


Capitalized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value1067088788193896688248844802369315936547363222398
Percentage of CapitalizedCostsOilAndGasProducingActivitiesGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedCostsOilAndGasProducingActivitiesNet

us-gaap:CapitalizedCostsOilAndGasProducingActivitiesNet


Capitalized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value681856155717555857246153650757434982470056981968
Percentage of CapitalizedCostsOilAndGasProducingActivitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedCostsSupportEquipmentAndFacilities

us-gaap:CapitalizedCostsSupportEquipmentAndFacilities


Capitalized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value251011101099118211381147108810581006963941804
Percentage of CapitalizedCostsSupportEquipmentAndFacilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedCostsWellsAndRelatedEquipmentAndFacilities

us-gaap:CapitalizedCostsWellsAndRelatedEquipmentAndFacilities


Capitalized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value112010428568347917857166882113175515581171
Percentage of CapitalizedCostsWellsAndRelatedEquipmentAndFacilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedExploratoryWellCosts

us-gaap:CapitalizedExploratoryWellCosts


Capitalized
Period End2020-12-312019-12-312018-12-312017-12-31
Value9062000.08984000.08178000.06388000.0
Percentage of CapitalizedExploratoryWellCosts100.0100.0100.0100.0

us-gaap:CapitalizedExploratoryWellCosts us-gaap:StatementBusinessSegments

cnx:Utica


Capitalized
Period End2020-12-31
Value9062000.0
Percentage of CapitalizedExploratoryWellCosts100.0

us-gaap:DebtInstrumentCarryingAmount

us-gaap:DebtInstrumentCarryingAmount


Debt
Period End2020-12-31
Value2557
Percentage of DebtInstrumentCarryingAmount100.0

us-gaap:DebtInstrumentFaceAmount us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:DebtInstrumentFaceAmount

us-gaap:LineOfCredit, cnx:CSGHoldingsFacility


Debt
Period End2021-06-302021-03-312020-12-31
Value394345
Percentage of DebtInstrumentFaceAmount100.0100.0100.0

us-gaap:LineOfCredit, cnx:CardinalStatesFacility


Debt
Period End2021-06-302021-03-312020-12-31
Value107111114
Percentage of DebtInstrumentFaceAmount271.1257.1252.4

us-gaap:DebtInstrumentInterestRateEffectivePercentage cnx:DebtInstrumentIssuancePeriod, us-gaap:DebtInstrument, us-gaap:SubsidiarySaleOfStock

us-gaap:DebtInstrumentInterestRateEffectivePercentage

cnx:DebtInstrumentIssuancePeriodTwo, cnx:SeniorNotesDueMarch2027, us-gaap:PrivatePlacement


Debt
Period End2020-09-30
Value6.34
Percentage of DebtInstrumentInterestRateEffectivePercentage100.0

us-gaap:DebtInstrumentUnamortizedDiscount us-gaap:DebtInstrument, us-gaap:LongtermDebtType

us-gaap:DebtInstrumentUnamortizedDiscount

cnx:Convertible225SeniorNotesDue2026, us-gaap:ConvertibleDebt


Debt
Period End2021-06-302021-03-312020-12-312020-09-30
Value9397101105
Percentage of DebtInstrumentUnamortizedDiscount100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscountCurrent us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:DebtInstrumentUnamortizedDiscountCurrent

us-gaap:LineOfCredit, cnx:CSGHoldingsFacility


Debt
Period End2021-06-302021-03-312020-12-31
Value0.4080.4250.441
Percentage of DebtInstrumentUnamortizedDiscountCurrent100.0100.0100.0

us-gaap:LineOfCredit, cnx:CardinalStatesFacility


Debt
Period End2021-06-302021-03-312020-12-31
Value1.0481.0871.126
Percentage of DebtInstrumentUnamortizedDiscountCurrent256.9255.8255.3

us-gaap:DebtInstrumentUnamortizedDiscountCurrent us-gaap:DebtInstrument

cnx:A225SeniorNotesDueMay2026


Debt
Period End2020-12-31
Value107
Percentage of DebtInstrumentUnamortizedDiscountCurrent24429.7

cnx:A6.50SeniorNotesdueMarch2026


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3.53.6883.8754.0624.254.4384.6254.8135.05.1875.3755.5625.755.938
Percentage of DebtInstrumentUnamortizedDiscountCurrent857.8867.8878.70.00.00.00.00.00.00.00.00.00.00.0

cnx:CSGHoldingsFacility


Debt
Period End2020-09-302020-06-302020-03-31
Value0.460.4780.497
Percentage of DebtInstrumentUnamortizedDiscountCurrent0.00.00.0

cnx:CardinalStatesFacility


Debt
Period End2020-09-302020-06-302020-03-31
Value1.1651.2041.243
Percentage of DebtInstrumentUnamortizedDiscountCurrent0.00.00.0

cnx:Convertible225SeniorNotesDue2026


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value99103107111115
Percentage of DebtInstrumentUnamortizedDiscountCurrent24435.024414.124429.70.00.0

us-gaap:DebtInstrumentUnamortizedPremium cnx:DebtInstrumentIssuancePeriod, us-gaap:DebtInstrument, us-gaap:SubsidiarySaleOfStock

us-gaap:DebtInstrumentUnamortizedPremium

cnx:DebtInstrumentIssuancePeriodTwo, cnx:SeniorNotesDueMarch2027, us-gaap:PrivatePlacement


Debt
Period End2020-09-30
Value7000000.0
Percentage of DebtInstrumentUnamortizedPremium100.0

us-gaap:DebtInstrumentUnamortizedPremiumCurrent us-gaap:DebtInstrument

us-gaap:DebtInstrumentUnamortizedPremiumCurrent

cnx:SeniorNotesDueMarch2027


Debt
Period End2021-06-302021-03-312020-12-312020-09-30
Value6147000.06417000.06686000.06955000.0
Percentage of DebtInstrumentUnamortizedPremiumCurrent100.0100.0100.0100.0

cnx:SeniorNotesdueApril2022


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value276000.0363000.0822000.01001000.01108000.01215000.01322000.02069000.02258000.02416000.02573000.03544000.0
Percentage of DebtInstrumentUnamortizedPremiumCurrent4.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredFinanceCostsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value268.998.79617
Percentage of DeferredFinanceCostsNet100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value8118527644098491102-1183.641-1057.148-1098.738
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value4685014605011136110593010331.814462188920231752
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value1291301101077476491680.059797575853
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsDomestic

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsDomestic


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value215202124991441650.0
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsDomestic100.0100.0100.0100.0100.0100.00.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312010-12-312009-12-31
Value1291301100.1077560.074310.0761710.0496380.0517650.0272775853
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value9.41610133366651591600.14943513612985
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign

us-gaap:DeferredTaxAssetsTaxCreditCarryforwardsForeign


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value4343434439390.0
Percentage of DeferredTaxAssetsTaxCreditCarryforwardsForeign100.0100.0100.0100.0100.0100.00.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value6.6399.2369.4349.404423043140.0830771036568
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value119.3081321
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesDerivatives

us-gaap:DeferredTaxLiabilitiesDerivatives


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value2610526150.0105-74.898-27.741-0.051006-98.5392946
Percentage of DeferredTaxLiabilitiesDerivatives100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates

us-gaap:DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value85145125-1.251-40.20.00.0-27.431
Percentage of DeferredTaxLiabilitiesInvestmentInNoncontrolledAffiliates100.0100.0100.0100.0100.00.00.0100.0

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesLeasingArrangements


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312010-12-312009-12-31
Value283.3373.3843.6482244-37.621-38.105-33.953125
Percentage of DeferredTaxLiabilitiesLeasingArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value0.2114.3543.5993.8154.0164.67-5.331-37.295-0.011435-23.7171919
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value649593606385782946-1065.791-954.007-1.084246-1046.23512211101
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPensionPlanLiabilitiesCurrent

us-gaap:DefinedBenefitPensionPlanLiabilitiesCurrent


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1817000.01802000.01787000.01649000.01629000.01608000.01587000.01646000.01578000.01532000.02904000.05332000.06075000.04593000.06938000.05713000.02258000.0
Percentage of DefinedBenefitPensionPlanLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value20171013-392.556-359.068-272.621-367.61-824.103
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value-19.075-15.361-10.738-14.374
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value1506000.01727000.0-17000.0-626000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditBeforeTax100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet

us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value-44076000.0-40196000.0-33569000.0-36280000.0
Percentage of DefinedBenefitPlanAmountsRecognizedInBalanceSheet100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-06-302015-12-31
Value2.470.03360.04370.0370.0370.045
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationWeightedAverageInterestCreditingRate

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationWeightedAverageInterestCreditingRate


Defined
Period End2020-12-312019-12-31
Value2.263.01
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationWeightedAverageInterestCreditingRate100.0100.0

us-gaap:DefinedBenefitPlanBenefitObligation

us-gaap:DefinedBenefitPlanBenefitObligation


Defined
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value4440333634
Percentage of DefinedBenefitPlanBenefitObligation100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter


Defined
Period End2020-12-312016-12-312015-12-31
Value117690
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths


Defined
Period End2020-12-312016-12-312015-12-31
Value1.7871517
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive


Defined
Period End2020-12-312016-12-312015-12-31
Value2.0491517
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour


Defined
Period End2020-12-312016-12-312015-12-31
Value1.9771517
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree


Defined
Period End2020-12-312016-12-312015-12-31
Value1.9131517
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo


Defined
Period End2020-12-312016-12-312015-12-31
Value1.8461517
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo100.0100.0100.0

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation


Defined
Period End2020-12-312019-12-312018-12-312017-12-312010-12-312009-12-31
Value43403335629580
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateAccumulatedBenefitObligation100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation

us-gaap:DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation


Defined
Period End2020-12-312019-12-312018-12-312017-12-312010-12-312009-12-31
Value44403336701653
Percentage of DefinedBenefitPlanPensionPlansWithAccumulatedBenefitObligationsInExcessOfPlanAssetsAggregateProjectedBenefitObligation100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssets us-gaap:DerivativeInstrumentRisk, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DerivativeAssets

us-gaap:EnergyRelatedDerivative, us-gaap:FairValueInputsLevel2


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value-379.943148117-94.939164369405
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestRateContract, us-gaap:FairValueInputsLevel2


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value-9.612-10.077-14.27-15.609-15.456-11.858-1.219
Percentage of DerivativeAssets2.5-6.8-12.116.4-9.4-3.2-0.3

us-gaap:DerivativeAssetsCurrent

us-gaap:DerivativeAssetsCurrent


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value10770847719731224740
Percentage of DerivativeAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssetsCurrent us-gaap:DerivativeInstrumentRisk

cnx:CommoditySwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.576195339187296234
Percentage of DerivativeAssetsCurrent0.528.463.450.694.894.994.5

us-gaap:BasisSwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302014-12-31
Value106503038101513254.9344.971111010251425122.74556559.1886.7825.4296.252.771.064
Percentage of DerivativeAssetsCurrent99.371.436.449.25.15.05.50.00.00.028.90.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Commodity


Derivative
Period End2020-12-312019-12-312018-12-312017-12-31
Value532342862
Percentage of DerivativeAssetsCurrent63.494.571.10.0

us-gaap:InterestRateSwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.1280.1380.1410.1440.2050.1970.0
Percentage of DerivativeAssetsCurrent0.10.20.20.20.10.10.0

us-gaap:DerivativeAssetsNoncurrent

us-gaap:DerivativeAssetsNoncurrent


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value204235188160212258314213
Percentage of DerivativeAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssetsNoncurrent us-gaap:DerivativeInstrumentRisk

cnx:CommoditySwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value30109134118197244288
Percentage of DerivativeAssetsNoncurrent14.746.371.573.892.994.791.9

us-gaap:BasisSwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value1731265241131225201314482935432414111235366.9994.461.0930.4470.0
Percentage of DerivativeAssetsNoncurrent85.153.528.125.66.54.88.10.00.00.022.90.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Commodity


Derivative
Period End2020-12-312019-12-312018-12-312017-12-31
Value13428816459
Percentage of DerivativeAssetsNoncurrent71.591.977.10.0

us-gaap:InterestRateSwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.4470.5380.6730.8281.2221.2140.0
Percentage of DerivativeAssetsNoncurrent0.20.20.40.50.60.50.0

us-gaap:DerivativeLiabilitiesCurrent

us-gaap:DerivativeLiabilitiesCurrent


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value415834214483494061
Percentage of DerivativeLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilitiesCurrent us-gaap:DerivativeInstrumentRisk

cnx:CommoditySwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value3936423103245.0280.345
Percentage of DerivativeLiabilitiesCurrent94.876.755.571.529.510.20.8

us-gaap:BasisSwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value1815143654411054346474026261717333924114.2757.6935.557120.00.327
Percentage of DerivativeLiabilitiesCurrent4.419.034.225.565.583.7257.40.00.00.065.20.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Commodity


Derivative
Period End2020-12-312019-12-312018-12-312017-12-31
Value239.6935242
Percentage of DerivativeLiabilitiesCurrent55.523.784.30.0

us-gaap:InterestRateSwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value3.6893.654.3324.374.1412.9610.495
Percentage of DerivativeLiabilitiesCurrent0.94.410.23.05.06.01.2

us-gaap:DerivativeLiabilitiesNoncurrent

us-gaap:DerivativeLiabilitiesNoncurrent


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value2858312720317816311592
Percentage of DerivativeLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilitiesNoncurrent us-gaap:DerivativeInstrumentRisk

cnx:CommoditySwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value25856599229239.693
Percentage of DerivativeLiabilitiesNoncurrent90.468.046.745.216.414.08.4

us-gaap:BasisSwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302014-12-31
Value21195799136130409897812726201535191870216.90912191.5691.6280.0
Percentage of DerivativeLiabilitiesNoncurrent7.323.544.948.876.479.735.30.00.00.029.30.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Commodity


Derivative
Period End2020-12-312019-12-312018-12-312017-12-31
Value590.345345.985
Percentage of DerivativeLiabilitiesNoncurrent46.70.337.60.0

us-gaap:InterestRateSwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value6.4987.103101212100.724
Percentage of DerivativeLiabilitiesNoncurrent2.38.58.46.07.26.30.6

us-gaap:DerivativeNonmonetaryNotionalAmount us-gaap:Energy, us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeNonmonetaryNotionalAmount

srt:NaturalGasReserves, cnx:NYMEXNaturalGasHedges


Derivative
Period End2020-09-30
Value8000000.0
Percentage of DerivativeNonmonetaryNotionalAmount100.0

us-gaap:DerivativeNotionalAmount us-gaap:DerivativeInstrumentRisk

us-gaap:DerivativeNotionalAmount

us-gaap:InterestRateSwap


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value558564569575581585160
Percentage of DerivativeNotionalAmount100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrentAndNoncurrent

us-gaap:EmployeeRelatedLiabilitiesCurrentAndNoncurrent


Employee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312017-12-312016-12-312015-12-31
Value5.3232.608207.7855.1782.626219.774206.6152424
Percentage of EmployeeRelatedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized


Employee
Period End2020-12-31
Value10
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0

us-gaap:EquityMethodInvestments

us-gaap:EquityMethodInvestments


Equity
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302017-12-312016-12-312015-12-312014-12-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value161615151617197190237152291261256248222213209200182175100979383
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquityMethodInvestments us-gaap:ConsolidationItems

us-gaap:OperatingSegments


Equity
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value1615161617171718192220197190190
Percentage of EquityMethodInvestments0.0100.0100.00.0100.00.00.00.00.00.00.0100.00.0100.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2020-12-312019-12-312019-09-302019-06-302019-03-31
Value7.93314161719
Percentage of FinanceLeaseLiability100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityCurrent


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value406000.05139000.06876000.07419000.07295000.07200000.07164000.07203000.07133000.07182000.0
Percentage of FinanceLeaseLiabilityCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityNoncurrent


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.8540.9561.0572.3224.2256.0957.7069.41012
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDue


Finance
Period End2020-12-31
Value8259000.0
Percentage of FinanceLeaseLiabilityPaymentsDue100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueAfterYearFive


Finance
Period End2020-12-31
Value40000.0
Percentage of FinanceLeaseLiabilityPaymentsDueAfterYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths


Finance
Period End2020-12-31
Value7138000.0
Percentage of FinanceLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFive


Finance
Period End2020-12-31
Value38000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFive100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour

us-gaap:FinanceLeaseLiabilityPaymentsDueYearFour


Finance
Period End2020-12-31
Value155000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearFour100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree

us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree


Finance
Period End2020-12-31
Value442000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearThree100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo


Finance
Period End2020-12-31
Value446000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo100.0

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount

us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount


Finance
Period End2020-12-31
Value326000.0
Percentage of FinanceLeaseLiabilityUndiscountedExcessAmount100.0

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseRightOfUseAsset


Finance
Period End2020-12-312019-12-31
Value5145000.09908000.0
Percentage of FinanceLeaseRightOfUseAsset100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization

us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization


Finance
Period End2020-12-312019-12-31
Value6763
Percentage of FinanceLeaseRightOfUseAssetAccumulatedAmortization100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization

us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization


Finance
Period End2020-12-312019-12-31
Value7272
Percentage of FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization100.0100.0

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent


Finance
Period End2020-12-312019-12-31
Value6.336.92
Percentage of FinanceLeaseWeightedAverageDiscountRatePercent100.0100.0

us-gaap:FiniteLivedCustomerRelationshipsGross

us-gaap:FiniteLivedCustomerRelationshipsGross


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-31
Value1091091091091091091091091091091091280.0
Percentage of FiniteLivedCustomerRelationshipsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-03-312017-12-31
Value22211918161413119.8298.196.5521.9220.0
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:GasPurchasePayableCurrent

us-gaap:GasPurchasePayableCurrent


Gas
Period End2021-06-302021-03-312020-12-31
Value428000.03280000.01528000.0
Percentage of GasPurchasePayableCurrent100.0100.0100.0

us-gaap:GuaranteeObligationsMaximumExposure

us-gaap:GuaranteeObligationsMaximumExposure


Guarantee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value29429429129131031031130330229727827629127245110231049107310991060103910991138121613461465153415581612110310991098109216671604161716421555156016091623
Percentage of GuaranteeObligationsMaximumExposure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxesReceivable

us-gaap:IncomeTaxesReceivable


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-06-302013-03-312012-12-312012-09-302011-12-312011-09-302011-06-302011-03-312010-12-31
Value0.0880.6441141156211113113149402720311051151241160.00.01.871136421202041474.434101.936.6020.0120.011445.03132
Percentage of IncomeTaxesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0

us-gaap:IncomeTaxesReceivable us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems


Income
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value0.644114115621111311314940272031101112121
Percentage of IncomeTaxesReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.096.397.097.3

us-gaap:InterestPayableCurrent

us-gaap:InterestPayableCurrent


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312017-12-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value411626162525302826323738733754519352113631136311363113631136311362114648.5
Percentage of InterestPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentsAndCash us-gaap:ConsolidationItems

us-gaap:InvestmentsAndCash

us-gaap:MaterialReconcilingItems


Investments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1501931165.48432231742548250928129153
Percentage of InvestmentsAndCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2020-12-31
Value56
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0

us-gaap:LineOfCredit dei:LegalEntity, us-gaap:CreditFacility

us-gaap:LineOfCredit

cnx:CNXM, us-gaap:RevolvingCreditFacility


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value16023729134331934731184
Percentage of LineOfCredit100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCredit us-gaap:CreditFacility

us-gaap:RevolvingCreditFacility


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1601601604105504376616136305146124394220.00.0
Percentage of LineOfCredit100.067.555.3119.5172.4125.9212.00.00.00.0728.60.00.00.00.0

us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity dei:LegalEntity, us-gaap:CreditFacility

us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity

cnx:CNXM, us-gaap:RevolvingCreditFacility


Line
Period End2020-12-312019-12-31
Value308288
Percentage of LineOfCreditFacilityCurrentBorrowingCapacity100.0100.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity dei:LegalEntity, us-gaap:CreditFacility

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

cnx:CNXM, us-gaap:RevolvingCreditFacility


Line
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312018-12-31
Value439362256280253516
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:CreditFacility

us-gaap:RevolvingCreditFacility


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value142614261428130411451458123412871271139212891409142618461260
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity324.2393.00.0507.7407.6576.30.00.00.00.0249.90.00.00.00.0

us-gaap:LongTermDebtFairValue

us-gaap:LongTermDebtFairValue


Long
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value272325552308261925052495237922902169232922642281
Percentage of LongTermDebtFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive


Long
Period End2020-12-31
Value1989
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths


Long
Period End2020-12-31
Value22
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive


Long
Period End2020-12-31
Value23
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour


Long
Period End2020-12-31
Value474
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree


Long
Period End2020-12-31
Value24
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo


Long
Period End2020-12-31
Value23
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0

us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners dei:LegalEntity, us-gaap:Ownership

us-gaap:MinorityInterestOwnershipPercentageByNoncontrollingOwners

cnx:CNXM, cnx:CNX


Minority
Period End2020-09-28
Value53.1
Percentage of MinorityInterestOwnershipPercentageByNoncontrollingOwners100.0

us-gaap:MinorityInterestOwnershipPercentageByParent dei:LegalEntity, us-gaap:Ownership

us-gaap:MinorityInterestOwnershipPercentageByParent

cnx:CNXM, cnx:CNX


Minority
Period End2020-09-27
Value53.1
Percentage of MinorityInterestOwnershipPercentageByParent100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2020-12-312019-12-31
Value4.44.96
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0

us-gaap:OtherAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:OtherAccruedLiabilitiesCurrentAndNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value204179198164162197216241286223680450602565768770
Percentage of OtherAccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherAssetsMiscellaneousNoncurrent

us-gaap:OtherAssetsMiscellaneousNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value262627131315
Percentage of OtherAssetsMiscellaneousNoncurrent100.0100.0100.0100.0100.0100.0

us-gaap:OtherReceivablesGrossCurrent

us-gaap:OtherReceivablesGrossCurrent


Other
Period End2020-09-302020-06-302020-03-312019-12-31
Value9.167121516
Percentage of OtherReceivablesGrossCurrent100.0100.0100.0100.0

us-gaap:OtherReceivablesNetCurrent

us-gaap:OtherReceivablesNetCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value109.7194.2384.6537.66910131111101110174348777710069809414912213921926334738239023924316015115313186105
Percentage of OtherReceivablesNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities


Pension
Period End2020-12-312019-12-312018-12-312017-12-312010-12-312009-12-31
Value1.7871.5871.5781.532179164
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities100.0100.0100.0100.0100.0100.0

us-gaap:PrepaidExpenseCurrent

us-gaap:PrepaidExpenseCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value12121212101217213165426165569295796444931251032822982531722031931017897135162137115157170195260239184118132142161
Percentage of PrepaidExpenseCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvedOilAndGasPropertySuccessfulEffortMethod

us-gaap:ProvedOilAndGasPropertySuccessfulEffortMethod


Proved
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value127112701253121412121209120811571150113519991950196719822016193319281925192217901770176617681684168316731670160115971600160615461542154215421307167116601662186
Percentage of ProvedOilAndGasPropertySuccessfulEffortMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount us-gaap:ConsolidationItems, us-gaap:Range, us-gaap:StatementBusinessSegments

us-gaap:ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount

us-gaap:OperatingSegments, srt:Maximum, cnx:CNXM


Reporting
Period End2020-12-31
Value10.0
Percentage of ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount100.0

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue

us-gaap:RestrictedCashAndCashEquivalentsAtCarryingValue


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-302013-12-312013-09-302013-06-302013-03-312012-12-312011-12-31
Value0.7680.7330.7350.7330.7380.8530.00.00.0120.00.0480.0
Percentage of RestrictedCashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.00.00.00.0100.00.00.0100.00.0

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent

us-gaap:RestrictedCashAndCashEquivalentsNoncurrent


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-302019-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value4.7515.0195.2475.4565.5765.340.00.00.00.00.00.020202020222220202020
Percentage of RestrictedCashAndCashEquivalentsNoncurrent100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RevenueRemainingPerformanceObligation

us-gaap:RevenueRemainingPerformanceObligation


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value755312012713714515615514215616752552.299
Percentage of RevenueRemainingPerformanceObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

cnx:PerformanceShareUnits


Share
Period End2020-12-312019-12-312018-12-312017-12-31
Value13.8518.9119.9325.53
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-312019-12-312018-12-312017-12-31
Value10.111.7114.316.01
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue72.961.971.862.7

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice


Share
Period End2020-12-31
Value15.68
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue


Share
Period End2020-12-31
Value9430000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue100.0

us-gaap:SharePrice

us-gaap:SharePrice


Share
Period End2021-06-30
Value13.66
Percentage of SharePrice100.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1


Sharebased
Period End2020-12-31
Value9330000.0
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1100.0

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1


Stock
Period End2021-06-302021-01-26
Value214237
Percentage of StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1100.0100.0

us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Stock
Period End2021-01-26
Value245
Percentage of StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1103.2

us-gaap:UnamortizedDebtIssuanceExpense

us-gaap:UnamortizedDebtIssuanceExpense


Unamortized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-31
Value2425261614168.999.56810108.7969.522111517222425272930313338
Percentage of UnamortizedDebtIssuanceExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnamortizedDebtIssuanceExpense us-gaap:DebtInstrument, us-gaap:LongtermDebtType

cnx:Convertible225SeniorNotesDue2026, us-gaap:ConvertibleDebt


Unamortized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value5.8596.1166.3686.6176.862
Percentage of UnamortizedDebtIssuanceExpense23.623.623.739.147.3

us-gaap:UnitsOfPartnershipInterestAmount us-gaap:ConsolidatedEntities, us-gaap:StatementScenario, us-gaap:LimitedPartnersCapitalAccountByClass, us-gaap:SubsequentEventType

us-gaap:UnitsOfPartnershipInterestAmount

us-gaap:VariableInterestEntityPrimaryBeneficiary, srt:ScenarioForecast, cnx:CommonUnits, us-gaap:SubsequentEvent


Units
Period End2022-01-01
Value50
Percentage of UnitsOfPartnershipInterestAmount100.0

us-gaap:UnitsOfPartnershipInterestAmount us-gaap:StatementScenario, us-gaap:LimitedPartnersCapitalAccountByClass, us-gaap:SubsequentEventType, us-gaap:VariableInterestEntitiesByClassificationOfEntity

srt:ScenarioForecast, cnx:CommonUnits, us-gaap:SubsequentEvent, us-gaap:VariableInterestEntityPrimaryBeneficiary


Units
Period End2022-01-01
Value50
Percentage of UnitsOfPartnershipInterestAmount100.0

us-gaap:UnprovedOilAndGasPropertySuccessfulEffortMethod

us-gaap:UnprovedOilAndGasPropertySuccessfulEffortMethod


Unproved
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value7187117257657587567559499469279191031103110451116142914221421142115491570136415401411140714041463138313711321126612921270126912581507221422182206284
Percentage of UnprovedOilAndGasPropertySuccessfulEffortMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnprovedOilAndGasPropertySuccessfulEffortMethod us-gaap:PropertyPlantAndEquipmentByType

cnx:AssetsAmortizedByUnitsOfProduction


Unproved
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value7257559279191116142115401487126612582206
Percentage of UnprovedOilAndGasPropertySuccessfulEffortMethod100.0100.0100.0100.0100.0100.0100.0101.6100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate


Unrecognized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-31
Value31313133333131313131313129299.103124.2651.6511.6511.6512.0712.0712.0712.0712.0713.8913.8913.8913.8911616161615151515
Percentage of UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary

us-gaap:PurchaseCommitment


Unrecorded
Period End2021-06-302021-03-312020-12-312020-09-30
Value403404390369
Percentage of UnrecordedUnconditionalPurchaseObligationBalanceOnFifthAnniversary100.0100.0100.0100.0

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary

us-gaap:PurchaseCommitment


Unrecorded
Period End2021-06-302021-03-312020-12-312020-09-30
Value266265253242
Percentage of UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary100.0100.0100.0100.0

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary

us-gaap:PurchaseCommitment


Unrecorded
Period End2021-06-302021-03-312020-12-312020-09-30
Value439434431429
Percentage of UnrecordedUnconditionalPurchaseObligationBalanceOnThirdAnniversary100.0100.0100.0100.0

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased

us-gaap:UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount

us-gaap:PurchaseCommitment


Unrecorded
Period End2021-06-302021-03-312020-12-312020-09-30
Value2146216920601971
Percentage of UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount100.0100.0100.0100.0

us-gaap:UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears us-gaap:UnrecordedUnconditionalPurchaseObligationByCategoryOfItemPurchased

us-gaap:UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears

us-gaap:PurchaseCommitment


Unrecorded
Period End2021-06-302021-03-312020-12-312020-09-30
Value10371064985930
Percentage of UnrecordedUnconditionalPurchaseObligationDueAfterFiveYears100.0100.0100.0100.0

us-gaap:ValuationAllowancesAndReservesBalance

us-gaap:ValuationAllowancesAndReservesBalance


Valuation
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312010-12-312009-12-312008-12-312007-12-31
Value123125941362827862616059
Percentage of ValuationAllowancesAndReservesBalance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ValuationAllowancesAndReservesBalance us-gaap:ValuationAllowancesAndReservesType

cnx:SECSchedule1209ValuationAllowanceCharitableContributions


Valuation
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value0.7060.6583.2973.1565.0520.0
Percentage of ValuationAllowancesAndReservesBalance0.60.53.52.31.80.0

cnx:SECSchedule1209ValuationAllowanceForeignTaxCredit


Valuation
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value434343443925
Percentage of ValuationAllowancesAndReservesBalance35.134.545.732.514.133.1

us-gaap:ValuationAllowanceOperatingLossCarryforwards


Valuation
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312010-12-312009-12-312008-12-312007-12-31
Value79814761604239373436
Percentage of ValuationAllowancesAndReservesBalance64.364.950.845.121.454.963.460.157.061.4

Line plots across dimensions of each concept


us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
(None,)
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amountus-gaap: Antidilutive Securities Excluded From Computation Of Earnings Per Share By Antidilutive Securities
EBT margin
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
E B T margin  us-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:CostOfGoodsAndServicesSold
us-gaap:ProductOrService
(None,)
Cost Of Goods And Services Soldus-gaap: Product Or Service
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Income Loss From Continuing Operations Before Income Taxes Domesticus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:OperatingExpenses
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Operating Expensesus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents
(None,)
Other Comprehensive Income Loss Net Of Taxus-gaap: Statement Equity Components
us-gaap:ProfitLoss
us-gaap:StatementEquityComponents
(None,)
Profit Lossus-gaap: Statement Equity Components
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ProductOrService
(None,)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Product Or Service
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', 'us-gaap:OilAndGas', None)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Consolidation Items, us-gaap: Product Or Service, us-gaap: Statement Business Segments
us-gaap:Revenues
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Revenuesus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:Assets
us-gaap:ConsolidationItems
(None,)
Assetsus-gaap: Consolidation Items
us-gaap:Assets
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Assetsus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:Assets
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments, us-gaap:Subsegments, us-gaap:SubsegmentsConsolidationItems
('us-gaap:OperatingSegments', 'cnx:ExplorationAndProductionSegment', None, 'us-gaap:ReportableSubsegments')
Assetsus-gaap: Consolidation Items, us-gaap: Statement Business Segments, us-gaap: Subsegments, us-gaap: Subsegments Consolidation Items
us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:FairValueByMeasurementBasis
(None,)
Cash And Cash Equivalents At Carrying Valueus-gaap: Fair Value By Measurement Basis
us-gaap:LongTermDebt
us-gaap:DebtInstrument
(None,)
Long Term Debtus-gaap: Debt Instrument
us-gaap:LongTermDebt
us-gaap:FairValueByMeasurementBasis
(None,)
Long Term Debtus-gaap: Fair Value By Measurement Basis
us-gaap:LongTermDebt
us-gaap:CreditFacility, us-gaap:DebtInstrument
('us-gaap:LineOfCredit', None)
Long Term Debtus-gaap: Credit Facility, us-gaap: Debt Instrument
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:StatementEquityComponents
(None,)
Stockholders Equity Including Portion Attributable To Noncontrolling Interestus-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:DepreciationDepletionAndAmortization
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Depreciation Depletion And Amortizationus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:ProfitLoss
us-gaap:StatementEquityComponents
(None,)
Profit Lossus-gaap: Statement Equity Components