OEC


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:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:ConsolidationItems
us-gaap:IncomeStatementLocation
us-gaap:PlanName

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostOfGoodsAndServicesSold

us-gaap:GrossProfit
us-gaap:ConsolidationItems
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:IncomeTaxExpenseBenefit
us-gaap:ConsolidationItems
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestExpense
us-gaap:ConsolidationItems

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome
us-gaap:StatementEquityComponents

us-gaap:NonoperatingIncomeExpense
us-gaap:ConsolidationItems

us-gaap:OperatingIncomeLoss
us-gaap:ConsolidationItems
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ConsolidationItems
us-gaap:OtherNonoperatingIncomeExpense

us-gaap:ResearchAndDevelopmentExpense

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

us-gaap:SellingGeneralAndAdministrativeExpense

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

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:AssetsCurrent

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:AccountsReceivableNetCurrent

us-gaap:InventoryNet

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:NoncurrentAssets
us-gaap:StatementGeographical

us-gaap:AssetsNoncurrent

us-gaap:Goodwill
us-gaap:StatementBusinessSegments

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OtherAssetsNoncurrent

us-gaap:AccountsPayableCurrent

us-gaap:AccruedLiabilitiesCurrent

us-gaap:DebtCurrent

us-gaap:LiabilitiesCurrent

us-gaap:LongTermDebtCurrent

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent

us-gaap:TaxesPayableCurrent

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

us-gaap:LongTermDebtNoncurrent
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:DeferredFinanceCostsNoncurrentNet

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiability

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:AmortizationOfFinancingCosts
us-gaap:CreditFacility
us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:RepaymentsOfLongTermDebt

us-gaap:PaymentsOfDividends

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

oec:AccountsReceivableAllowanceForCreditLossForeignCurrencyTranslation

oec:ActuarialGainLossRecognizedInEarnings

oec:AdjustedEarningsBeforeInterestTaxDepreciationandAmortization
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

oec:CashInflowsRelatedToCurrentFinancialLiabilitiesFinancingActivities

oec:CashOutflowsRelatedToCurrentFinancialLiabilitiesFinancingActivities

oec:CorporateCharges
us-gaap:ConsolidationItems

oec:DepreciationAmortizationAndAssetImpairment
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

oec:EffectiveIncomeTaxRateReconciliationNetDiscreteTaxExpenseAmount
us-gaap:ConsolidationItems
oec:EnvironmentalProtectionAgencyRelatedExpense
us-gaap:ConsolidationItems
oec:ExtraordinaryExpenseItemsRelatedToCOVID19

oec:FinanceLeaseCost

oec:IncreaseDecreaseInProvisions

oec:LitigationReserveAdjustmentIncreaseDecreaseDuringPeriod
us-gaap:LitigationStatus, us-gaap:LossContingenciesByNatureOfContingency
oec:LossContingencySettlementAgreementMandatoryEnvironmentalMitigationProjects

oec:OperatingLeaseLiabilityPeriodIncreaseDecreaseCurrent

oec:OperatingLeaseLiabilityPeriodIncreaseDecreaseNoncurrent

oec:OtherCostAndExpenseIncomeOperating

oec:PensionObligationsActuarialLossesAsAPercentageOfDefinedBenefitObligations

oec:ProceedsFromSaleOfEmissionsCertificate

oec:ReclassificationFromAOCICurrentPeriodForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
us-gaap:StatementEquityComponents
us-gaap:AwardType, us-gaap:PlanName
oec:SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsCorrelation
us-gaap:AwardType, us-gaap:PlanName
oec:SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateOEC
us-gaap:AwardType, us-gaap:PlanName
oec:SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsExpectedVolatilityRatePeerGroup

oec:SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsLeaversRatePerYear

oec:ShippingAndHandlingExpense

us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect

us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType, us-gaap:StatementBusinessSegments
us-gaap:ConcentrationRiskPercentage1
us-gaap:CreditFacility, us-gaap:VariableRate
us-gaap:DebtInstrumentBasisSpreadOnVariableRate1
us-gaap:StatementScenario, us-gaap:CreditFacility, us-gaap:VariableRate

us-gaap:DeferredIncomeTaxesAndTaxCredits

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:GainLossOnSaleOfDerivatives

us-gaap:GainLossRelatedToLitigationSettlement
us-gaap:ConsolidationItems

us-gaap:IncomeLossFromEquityMethodInvestments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance

us-gaap:IncreaseDecreaseInAccountsPayableTrade

us-gaap:IncreaseDecreaseInAccruedTaxesPayable

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
us-gaap:LitigationStatus, us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LitigationSettlementAmountAwardedToOtherParty
us-gaap:StatementGeographical, us-gaap:LitigationStatus, us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LossContingencyAccrualPayments

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeasePayments

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTaxParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherCostAndExpenseOperating

us-gaap:OtherNoncashIncomeExpense

us-gaap:PaymentsForRestructuring
us-gaap:RestructuringCostAndReserve

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation
us-gaap:StatementGeographical, us-gaap:LitigationStatus, us-gaap:LossContingenciesByNatureOfContingency
us-gaap:ProceedsFromLegalSettlements

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:ReclassificationFromAociCurrentPeriodTax
us-gaap:StatementEquityComponents
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RelatedPartyTransactionPurchasesFromRelatedParty

us-gaap:RestructuringCharges
us-gaap:RestructuringCostAndReserve

us-gaap:RestructuringReserveTranslationAdjustment
us-gaap:RestructuringCostAndReserve
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:RevenueFromRelatedParties
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
us-gaap:AwardType, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
us-gaap:AwardType, us-gaap:GranteeStatus, us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType, us-gaap:PlanName
us-gaap:AwardType, us-gaap:Vesting
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage

dei:EntityCommonStockSharesOutstanding

oec:AccruedLiabilitiesSalesAndProcurementCurrent

oec:AccumulatedDepreciationOperatingAndFinanceLeaseRightOfUseAsset

oec:ContractWithCustomerLiabilityCustomerDepositsCurrent

oec:CorporateIncomeTaxLossCarryforwardAmount
us-gaap:Range, us-gaap:CreditFacility
oec:DebtInstrumentCovenantLeverageRatio

oec:DeferredTaxAssetNotRecognizedAmount

oec:DeferredTaxAssetNotRecognizedCorporateIncomeTaxLossCarryforwardsAmount

oec:DeferredTaxAssetNotRecognizedDeductibleTemporaryDifferences

oec:DeferredTaxAssetNotRecognizedDeductibleTemporaryDifferencesDueToSubsidiaries

oec:DeferredTaxAssetNotRecognizedInterestLossCarryforwardsAmount

oec:DeferredTaxAssetsFinancialAssets

oec:DeferredTaxAssetsReceivables

oec:DeferredTaxLiabilitiesDeferredExpenseAccruedLiabilities

oec:DeferredTaxLiabilitiesDeferredExpenseProvisions

oec:DeferredTaxLiabilitiesReceivables

oec:DeferredTaxLiabilitySubsidiariesForWhichDividendDistributionIsExpected

oec:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationFuturePensionIncrease

oec:DefinedBenefitPlanEffectOfPointFivePercentageDecreaseInDiscountRateOnProjectedBenefitObligation

oec:DefinedBenefitPlanEffectOfPointFivePercentageDecreaseInFuturePensionOnProjectedBenefitObligation

oec:DefinedBenefitPlanEffectOfPointFivePercentageIncreaseInDiscountRateOnProjectedBenefitObligation

oec:DefinedBenefitPlanEffectOfPointFivePercentageIncreaseInFuturePensionOnProjectedBenefitObligation
us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
oec:DerivativeTerminatedAmount
us-gaap:StatementScenario
oec:EmissionsCertificatesRepurchaseObligationAmount

oec:EmployeeRelatedLiabilitiesNoncurrent

oec:EnvironmentalTaxLiabilitiesCurrent

oec:GuaranteeDeposits

oec:GuaranteeObligationsCarryingAmount

oec:InterestCarryforwardAmount

oec:LesseeOperatingAndFinanceLeasesLiabilityUndiscountedExcessAmount
us-gaap:CreditFacility, us-gaap:DebtInstrument
oec:LongTermDebtExcludingCurrentMaturitiesGross
us-gaap:CreditFacility, us-gaap:DebtInstrument
oec:LongTermDebtGrossCurrent
us-gaap:DebtInstrument
oec:LongTermDebtMaturitiesRepaymentsOfInterestInNextTwelveMonths
us-gaap:DebtInstrument
oec:LongTermDebtMaturitiesRepaymentsOfInterestInYearFour
us-gaap:DebtInstrument
oec:LongTermDebtMaturitiesRepaymentsOfInterestInYearThree
us-gaap:DebtInstrument
oec:LongTermDebtMaturitiesRepaymentsOfInterestInYearTwo
us-gaap:DebtInstrument
oec:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterest
us-gaap:DebtInstrument
oec:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInNextTwelveMonths
us-gaap:DebtInstrument
oec:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearFour
us-gaap:DebtInstrument
oec:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearThree
us-gaap:DebtInstrument
oec:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearTwo
us-gaap:CreditFacility, us-gaap:DebtInstrument
oec:LongtermDebtExcludingCurrentMaturitiesGross

oec:NetOperatingLossCarryforward
us-gaap:TaxPeriod

oec:OperatingAndFinanceLeaseLiability

oec:OperatingAndFinanceLeaseRightOfUseAsset

oec:OperatingAndFinanceLeaseRightOfUseAssetGross

oec:OperatingAndFinanceLeasesFutureMinimumPaymentsDue

oec:OperatingAndFinanceLeasesFutureMinimumPaymentsDueInFiveYears

oec:OperatingAndFinanceLeasesFutureMinimumPaymentsDueInFourYears

oec:OperatingAndFinanceLeasesFutureMinimumPaymentsDueInThreeYears

oec:OperatingAndFinanceLeasesFutureMinimumPaymentsDueInTwoYears

oec:OperatingAndFinanceLeasesFutureMinimumPaymentsDueNextTwelveMonths

oec:OperatingAndFinanceLeasesFutureMinimumPaymentsDueThereafter

oec:OtherFinancialAssetsCurrent

oec:OtherFinancialAssetsNoncurrent

oec:OtherReceivablesAdvancePayments

oec:OtherReceivablesDownPayments

oec:OtherReceivablesNetNoncurrent

oec:OtherTaxReceivable

oec:OutstandingInvoicesLiabilitiesCurrent

oec:PropertyTaxLiabilityCurrent

oec:PurchaseObligationDueInSecondThroughFifthYear
us-gaap:AwardType
oec:SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedToVestNumber
us-gaap:AwardType, us-gaap:GranteeStatus, us-gaap:PlanName
us-gaap:AwardType, us-gaap:PlanName

oec:ValueAddedTaxLiabilitiesCurrent

oec:WithholdingTaxLiabilitiesCurrent

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AssetRetirementObligation

us-gaap:AssetRetirementObligationsNoncurrent
us-gaap:DebtInstrument
us-gaap:DebtInstrumentCarryingAmount
us-gaap:CreditFacility, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DebtInstrumentFairValue

us-gaap:DebtIssuanceCostsLineOfCreditArrangementsNet
us-gaap:CreditFacility

us-gaap:DebtLongtermAndShorttermCombinedAmount
us-gaap:CreditFacility
us-gaap:DebtWeightedAverageInterestRate

us-gaap:DeferredCostsCurrentAndNoncurrent
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:DeferredFinanceCostsCurrentNet
us-gaap:CreditFacility, us-gaap:DebtInstrument
us-gaap:DeferredFinanceCostsNet

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetInterestCarryforward

us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesInterestsInFinancialAssetsContinuedToBeHeld

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax
us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease

us-gaap:DefinedBenefitPlanBenefitObligation
us-gaap:StatementScenario
us-gaap:DefinedBenefitPlanExpectedAmortizationNextFiscalYear
us-gaap:StatementScenario
us-gaap:DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
us-gaap:DefinedBenefitPlanByPlanAssetCategories

us-gaap:DefinedBenefitPlanFundedStatusOfPlan
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DerivativeAssets
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DerivativeAssetsCurrent
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DerivativeAssetsNoncurrent
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DerivativeLiabilities
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DerivativeLiabilitiesCurrent
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DerivativeLiabilitiesNoncurrent
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:DueFromRelatedParties
us-gaap:RelatedPartyTransactionsByRelatedParty
us-gaap:DueToRelatedPartiesCurrentAndNoncurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:EquityMethodInvestments

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:IncomeTaxesReceivable

us-gaap:InterestPayableCurrentAndNoncurrent
us-gaap:DebtInstrument

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryValuationReserves

us-gaap:InventoryWorkInProcessNetOfReserves
us-gaap:CreditFacility
us-gaap:LineOfCredit
us-gaap:CounterpartyName, us-gaap:CreditFacility
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:CreditFacility
us-gaap:CreditFacility
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:DebtInstrument
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
us-gaap:DebtInstrument
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
us-gaap:DebtInstrument
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
us-gaap:DebtInstrument
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:Range, us-gaap:StatementGeographical, us-gaap:LitigationStatus, us-gaap:LossContingenciesByNatureOfContingency
us-gaap:LossContingencyEstimateOfPossibleLoss

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLossCarryforwards

us-gaap:OtherEmployeeRelatedLiabilitiesCurrent

us-gaap:OtherReceivables

us-gaap:OtherReceivablesNetCurrent

us-gaap:OtherSundryLiabilitiesCurrent

us-gaap:OtherSundryLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

us-gaap:PrepaidExpenseAndOtherAssets

us-gaap:PrepaidExpenseAndOtherAssetsNoncurrent

us-gaap:PrepaidExpenseCurrent

us-gaap:PrepaidExpenseCurrentAndNoncurrent

us-gaap:PrepaidExpenseNoncurrent

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:PurchaseObligation

us-gaap:PurchaseObligationDueInNextTwelveMonths

us-gaap:RestrictedCash
us-gaap:StatementBusinessSegments
us-gaap:RestructuringAndRelatedCostExpectedCost1
us-gaap:StatementBusinessSegments
us-gaap:RestructuringAndRelatedCostExpectedCostRemaining1

us-gaap:RestructuringReserve
us-gaap:RestructuringCostAndReserve

us-gaap:RestructuringReserveCurrent
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType, us-gaap:GranteeStatus, us-gaap:PlanName
us-gaap:AwardType, us-gaap:PlanName
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding

us-gaap:ShortTermBorrowings
us-gaap:StatementGeographical, us-gaap:CreditFacility

us-gaap:TaxCreditCarryforwardAmount
us-gaap:TaxPeriod

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued

us-gaap:ValueAddedTaxReceivable

Plots across concepts


IncomeStatement
Net Income Loss
Expenses
Allocated Share Based Compensation Expense
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Operating Lease Right Of Use Asset
Current Assets
Prepaid Expense And Other Assets Current
NonCurrent Assets
Other Assets Noncurrent
Liabilities
Operating Lease Liability
Current Liabilities
Operating Lease Liability Current
Noncurrent Liabilities
Operating Lease Liability Noncurrent
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
Per Share
Common Stock Dividends Per Share Declared
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Share Based Compensation
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Weighted Average Number Of Shares Outstanding Basic
OperatingLeaseLiability
Operating Lease Liability Current
NonoperatingIncomeExpense
Nonoperating Income Expense
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Net
InventoryNet
Inventory Work In Process Net Of Reserves
AccountsReceivable
Allowance For Doubtful Accounts Receivable Current

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:CommonStockValue ██████▁85.32385.32385.32385.32385.32385.32385.032NANANA84.254NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█60.74360.812NA61.25961.26361.391NA61.45361.12561.113NANANANA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic █▁60.65260.648NA60.48760.48760.276NA60.21259.98459.518NANANANA
us-gaap:EarningsPerShareBasic █▄▃▃▁▃▃▄▄▃▃▄▆▄1.470.390.150.15-0.30.30.320.40.410.320.270.430.890.45
us-gaap:EarningsPerShareDiluted █▄▃▃▁▃▃▄▄▃▃▄▆▄1.470.390.150.15-0.290.290.310.390.40.320.250.430.870.44
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,oec:RubberNANA188.28178.406108.261216.228207.669247.371259.731253.128NANANANA
 Operating Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,oec:SpecialtiesNANA127.411103.6394.388119.779114.759122.824139.285131.586NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:AllocatedShareBasedCompensationExpense NANA3.1921.1821.199-1.1392.3012.0251.5593.553NANANANA
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:ConsolidationItems us-gaap:CorporateNonSegmentNANA3.1921.1821.199-1.1392.3012.0251.5593.553NANANANA
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation us-gaap:CostOfSalesNANA0.1410.0660.0620.0290.0730.055-0.0010.012NANANANA
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation us-gaap:GeneralAndAdministrativeExpenseNANA2.60.8010.916-0.911.7761.6041.3872.598NANANANA
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation us-gaap:ResearchAndDevelopmentExpenseNANA0.2210.0530.078-0.0870.1450.120.0520.206NANANANA
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation us-gaap:SellingAndMarketingExpenseNANA0.2290.2630.142-0.1720.3070.2460.1220.737NANANANA
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:PlanName oec:A2018PlanPaymentTransactionNANA1.7430.8310.763-1.2420.5930.6660.9011.275NANANANA
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:PlanName oec:A2019PlanNANA0.2770.3230.302-0.030.3530.5380.00.0NANANANA
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:PlanName oec:A2019PlanCEOIncentiveNANA0.2470.0290.1340.1340.0930.0960.2640.0NANANANA
us-gaap:ComprehensiveIncomeNetOfTax █▃▃▂▁▂▃▃▃▃98.04720.8120.6515.168-17.195-4.81119.49518.95315.49318.245NANANANA
us-gaap:CostOfGoodsAndServicesSold █▆▄▃▁▅▅▇██290.899257.557226.662202.854168.704245.815233.44271.481294.978286.745NANANANA
us-gaap:GrossProfit █▇▆▅▁▆▆▇▇▇▆███110.077102.5289.0379.18233.94490.19388.98798.714104.03897.96995.639109.156112.773112.403
 us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems us-gaap:CorporateNonSegmentNANA-13.518-6.714-6.089-2.323-5.236-7.543-4.501-5.636NANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments █▄▃▃▁▃▃▄▄▃▃▄▆▄122.30131.66612.96611.106-23.8125.53425.53331.88633.90428.25621.37935.65373.6836.951
us-gaap:IncomeTaxExpenseBenefit █▄▃▂▁▃▃▃▄▄33.498.2744.1262.25-5.8797.6356.7017.7679.3099.439NANANANA
us-gaap:IncomeTaxesPaidNet NANA8.997-1.0682.26NA7.931-1.7059.116NANANANANA
us-gaap:InterestExpense ▅▇▇█▄▆▂▁▃▁8.9519.95910.01410.7698.2779.617.0636.57.5666.443NANANANA
us-gaap:InterestPaidNet NANA6.0175.2465.1614.3454.7066.5273.1426.024NANANANA
us-gaap:NetIncomeLoss █▄▃▃▁▃▃▄▄▃▃▄▆▄89.05823.5388.9068.997-17.7818.03218.96524.25324.74818.95415.65825.81753.08126.754
us-gaap:NonoperatingIncomeExpense ██▁▃▁▂-1.224-1.228-2.591-2.272-2.654-2.398NANA0.00.0NANANANA
 us-gaap:NonoperatingIncomeExpense us-gaap:ConsolidationItems us-gaap:CorporateNonSegment██▁▃▁▂-1.224-1.228-2.591-2.272-2.654-2.398NANANANANANANANA
us-gaap:OperatingIncomeLoss █▄▃▃▁▃▃▃▄▃▃▄▆▄132.47642.85325.57124.147-12.87937.54332.59638.38641.4734.69926.67241.84382.45745.333
 us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidationItems us-gaap:CorporateNonSegmentNANA-2.273-3.222-1.188-0.873-3.922-1.933-0.629-0.36NANANANA
us-gaap:ResearchAndDevelopmentExpense ▅▃▁█▃▄▄▃▄▄5.9424.763.4447.3524.4494.9565.0384.7934.9145.129NANANANA
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax █▆▅▄▁▆▅▇█▇▇█▇█400.976360.077315.692282.036202.648336.007322.428370.195399.016384.714385.964393.954391.586406.699
us-gaap:SellingGeneralAndAdministrativeExpense █▇▆▃▁▃▆▆▇█55.06452.35349.91943.15538.54744.51949.55649.63652.11755.577NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:Assets █▅▄▃▁▃▁1538.4581425.8091389.7931347.8311253.261323.8451257.394NANANA1273.022NANANA
us-gaap:LiabilitiesAndStockholdersEquity █▅▄▃▁▃▁1538.4581425.8091389.7931347.8311253.261323.8451257.394NANANA1273.022NANANA
us-gaap:StockholdersEquity █▃▂▁▁▂▃▂▂▂▁302.11202.846181.013157.17150.819166.815186.013176.26167.325168.79158.896NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:AssetsCurrent █▄▂▂▁▅▂620.519537.56500.456490.606479.914569.688507.718NANANA575.319NANANA
us-gaap:CashAndCashEquivalentsAtCarryingValue ▃▂▂▄█▅▂▁▁▂▁74.05362.63264.86997.536143.374107.5463.72655.95253.15960.92157.016NANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▃▂▂▄█▅▂▁▁▂▁76.95565.49567.865100.395146.108110.21568.23160.30857.69665.42561.604NANANA
us-gaap:AccountsReceivableNetCurrent █▆▅▄▁▅▄303.164257.697234.796215.407145.305234.532212.565NANANA262.821NANANA
us-gaap:InventoryNet █▅▃▁▂▆▆186.163157.504141.461125.313135.31168.481164.799NANANA183.629NANANA
us-gaap:PrepaidExpenseAndOtherAssetsCurrent ▆██▅▂▁▄41.85745.33444.45239.09134.78232.07237.358NANANA34.938NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:NoncurrentAssets NANA696.169NANANA561.585NANANA483.534NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:BRNANA17.166NANANA23.662NANANA21.395NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:CNNANA27.235NANANA19.655NANANA10.719NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:DENANA147.878NANANA81.388NANANA104.823NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:ITNANA60.463NANANA43.547NANANA29.586NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:KRNANA120.551NANANA112.303NANANA115.036NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:PLNANA12.933NANANA12.148NANANA12.964NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:SENANA27.856NANANA26.419NANANA26.351NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:USNANA258.181NANANA220.2NANANA139.929NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical country:ZANANA13.076NANANA15.983NANANA16.894NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical oec:OtherEuropeanCountriesNANA10.727NANANA6.179NANANA5.815NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical oec:OtherMiscellaneousCountriesNANA0.103NANANA0.1NANANA0.022NANANA
 us-gaap:NoncurrentAssets us-gaap:StatementGeographical srt:EuropeNANA259.857NANANA169.681NANANA179.539NANANA
us-gaap:AssetsNoncurrent █▇▇▅▂▁▁917.939888.249889.337857.225773.346754.157749.676NANANA697.703NANANA
us-gaap:Goodwill ▆▅█▅▂▁▂81.81580.72184.4880.60477.09375.42777.341NANANA55.546NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▁▂▅▅▅▆█41.66742.97446.77247.05647.08148.12450.596NANANA95.245NANANA
us-gaap:FiniteLivedIntangibleAssetsNet NANA46.772NANANA50.596NANANA95.245NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass oec:DevelopedTechnologyandPatentsNANA23.189NANANA25.468NANANA47.66NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:ContractBasedIntangibleAssetsNANA6.896NANANA6.8NANANA22.283NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:CustomerRelationshipsNANA7.07NANANA7.017NANANA12.001NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:OtherIntangibleAssetsNANA1.653NANANA2.753NANANA3.389NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:TrademarksNANA7.964NANANA8.558NANANA9.912NANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA13.793NANANA5.412NANANA6.891NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▁▁██▁▂▁24.72124.86385.63982.68128.94329.71827.532NANA30.0NANANANA
us-gaap:OtherAssetsNoncurrent ▂▁▄▄▅▇█2.6092.4382.9562.9713.0863.4343.701NANANA2.928NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:AccountsPayableCurrent █▆▅▃▁▇█151.702141.529131.25105.5990.134145.342156.298NANANA163.585NANANA
us-gaap:AccruedLiabilitiesCurrent ▆▄█▄▃▁▆43.1339.42449.17639.6236.12231.93944.931NANANA56.297NANANA
us-gaap:DebtCurrent ▃▆▄▇▇█▁70.11107.84382.618123.483136.969144.85436.41NANANA41.02NANANA
us-gaap:LiabilitiesCurrent ▇▇▄▄▃█▁364.763356.672324.745328.433315.108373.659285.211NANANA320.336NANANA
us-gaap:LongTermDebtCurrent ▃▆▄▇▇█▁70.11107.84382.618123.483136.969144.85436.41NANANA41.02NANANA
us-gaap:OperatingLeaseLiabilityCurrent ▄▁█▇8.696.26812.111.5NANANANANANANANANANA
us-gaap:OtherAccruedLiabilitiesCurrent NANA12.535NANANA12.145NANANA15.366NANANA
us-gaap:OtherLiabilitiesCurrent █▆▄▆▃▃▁41.62838.736.67639.14835.63935.71232.509NANANA30.493NANANA
us-gaap:TaxesPayableCurrent █▃▃▂▁▁▁57.1128.22823.90619.64515.33914.92714.154NANANA28.086NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:LiabilitiesNoncurrent ▇▇█▆▁▁▁871.585866.29884.036862.228787.333783.371786.171NANANA793.79NANANA
 us-gaap:LongTermDebt us-gaap:CreditFacility,us-gaap:DebtInstrument oec:TermLoan,oec:TermLoanEURNANA390.3373.6358.4351.7361.8NANANANANANANA
 us-gaap:LongTermDebt us-gaap:CreditFacility,us-gaap:DebtInstrument oec:TermLoan,oec:TermLoanUSDNANA277.7278.6279.5280.4281.3NANANANANANANA
us-gaap:LongTermDebtNoncurrent ▅▄█▅▂▁▃640.342637.127655.826640.027625.799619.879630.261NANANA643.748NANANA
 us-gaap:DeferredFinanceCostsNoncurrentNet us-gaap:CreditFacility,us-gaap:DebtInstrument oec:TermLoan,oec:TermLoanFacility▁▂▄▅▅▆█2.8443.1623.6763.8564.0284.2854.733NANANA6.266NANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet ▄▄▁▆▆█▃46.06644.61938.7749.68648.77254.05643.308NANANA45.504NANANA
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent ▇▆█▄▂▁▂81.09479.9383.3174.56271.1869.47271.901NANANA60.377NANANA
us-gaap:OtherLiabilitiesNoncurrent ███▇▁▁▁104.083104.614106.13197.95341.58339.96340.701NANANA44.161NANANA
us-gaap:OperatingLeaseLiabilityNoncurrent ▁▁██17.51119.39574.572.7NANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:StockholdersEquity █▃▂▁▁▂▃▂▂▂▁302.11202.846181.013157.17150.819166.815186.013176.26167.325168.79158.896NANANA
us-gaap:CommonStockValue ██████▁85.32385.32385.32385.32385.32385.32385.032NANANA84.254NANANA
us-gaap:AdditionalPaidInCapital █▇▇▄▂▁▄69.57268.35668.50265.31164.12862.9365.562NANANA63.544NANANA
us-gaap:RetainedEarningsAccumulatedDeficit █▃▂▁▁▂▂197.003107.94584.40775.50166.50484.28378.296NANANA39.409NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▆▃▄▁▂▂█-42.443-51.432-48.705-60.449-56.621-57.206-34.362NANANA-19.628NANANA
us-gaap:TreasuryStockValue ▁▁█████7.3457.3458.5158.5158.5158.5158.515NANANA8.683NANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapitalNA-1.17NANANANANANA0.043NANANANANA
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:TreasuryStockNA1.17NANANANANANANANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁1.2161.024NA1.1821.199-2.632NA2.025-5.7373.553NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities █▁▄▁█▁█▆▅▃83.2621.80532.9261.73885.7094.90588.8468.53847.95826.171NANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▇█▆▅▃▁▆▅█-31.081-27.227-24.596-30.942-38.55-50.851-60.539-34.452-38.37-22.487NANANANA
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▅▁▂▃█▂▂▂▃-42.17525.623-47.315-20.866-12.83694.56-22.303-29.475-17.1710.337NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:AmortizationOfFinancingCosts ▆▇▇▆▃▃▁▄█▆0.5370.5390.540.530.50.5010.480.5120.5550.535NANANANA
us-gaap:DepreciationDepletionAndAmortization ▆▆█▄▁▄▆▁▆▄25.17325.62726.80523.99921.87623.84525.22321.99125.40424.095NANANANA
us-gaap:IncreaseDecreaseInAccountsReceivable ▇▆▅█▁▆▃▄▅▆40.47930.5359.81966.152-90.56831.097-43.262-21.3236.5512.623NANANANA
us-gaap:IncreaseDecreaseInInventories █▇▆▃▁▆▄▅▅▄26.34319.8459.625-14.375-36.88311.681-11.5242.210.847-7.946NANANANA
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▁█▇▅▄▅▇▆▇▅-12.4189.2265.8610.324-4.5760.7117.2431.8445.2760.134NANANANA
us-gaap:NetCashProvidedByUsedInOperatingActivities █▁▄▁█▁█▆▅▃83.2621.80532.9261.73885.7094.90588.8468.53847.95826.171NANANANA
us-gaap:NetIncomeLoss █▄▃▃▁▃▃▄▄▃▃▄▆▄89.05823.5388.9068.997-17.7818.03218.96524.25324.74818.95415.65825.81753.08126.754
us-gaap:ShareBasedCompensation ▅▄▇▄▄▁▆▆▅█1.2161.063.1921.1821.199-1.1392.3012.0251.5593.553NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▆▇█▆▅▃▁▆▅█-31.081-27.227-24.596-30.942-38.55-50.851-60.539-34.452-38.37-22.487NANANANA
us-gaap:PaymentsToAcquireProductiveAssets ▃▂▁▃▄▆█▃▄▁31.08127.22724.59630.94238.5550.85160.53934.45238.3722.487NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▁▅▁▂▃█▂▂▂▃-42.17525.623-47.315-20.866-12.83694.56-22.303-29.475-17.1710.337NANANANA
us-gaap:RepaymentsOfLongTermDebt ▆▆█▅▃▂▂▁▃▃2.0852.0722.1132.0552.0152.0062.0021.9872.0292.018NANANANA
us-gaap:PaymentsOfDividends NANA0.00.00.012.04512.04412.04312.04211.904NANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value8585858585858584
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.56.06.16.36.86.46.86.6

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value6060616161616161
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value6060606060605959
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.470.390.150.15-0.30.30.320.40.410.320.270.430.890.45
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.470.390.150.15-0.290.290.310.390.40.320.250.430.870.44
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:AllocatedShareBasedCompensationExpense


Allocated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.1921.1821.199-1.1392.3012.0251.5593.553
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.00.40.6-0.30.70.50.40.9

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Allocated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.1921.1821.199-1.1392.3012.0251.5593.553
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.00.40.6-0.30.70.50.40.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:IncomeStatementLocation

us-gaap:CostOfSales


Allocated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.1410.0660.0620.0290.0730.055-0.0010.012
Percentage of AllocatedShareBasedCompensationExpense4.45.65.2-2.53.22.7-0.10.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.00.00.00.00.00.0-0.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CostOfSales0.00.00.00.00.00.00.00.0

us-gaap:GeneralAndAdministrativeExpense


Allocated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2.60.8010.916-0.911.7761.6041.3872.598
Percentage of AllocatedShareBasedCompensationExpense81.567.876.479.977.279.289.073.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.80.30.5-0.30.60.40.30.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:GeneralAndAdministrativeExpense0.00.00.00.00.00.00.00.0

us-gaap:ResearchAndDevelopmentExpense


Allocated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.2210.0530.078-0.0870.1450.120.0520.206
Percentage of AllocatedShareBasedCompensationExpense6.94.56.57.66.35.93.35.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.00.0-0.00.00.00.00.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ResearchAndDevelopmentExpense0.00.00.00.00.00.00.00.0

us-gaap:SellingAndMarketingExpense


Allocated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.2290.2630.142-0.1720.3070.2460.1220.737
Percentage of AllocatedShareBasedCompensationExpense7.222.311.815.113.312.17.820.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.1-0.10.10.10.00.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:SellingAndMarketingExpense0.00.00.00.00.00.00.00.0

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:PlanName

oec:A2018PlanPaymentTransaction


Allocated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.7430.8310.763-1.2420.5930.6660.9011.275
Percentage of AllocatedShareBasedCompensationExpense54.670.363.6109.025.832.957.835.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.60.30.4-0.40.20.20.20.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax oec:A2018PlanPaymentTransaction0.00.00.00.00.00.00.00.0

oec:A2019Plan


Allocated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.2770.3230.302-0.030.3530.5380.00.0
Percentage of AllocatedShareBasedCompensationExpense8.727.325.22.615.326.60.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.10.1-0.00.10.10.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax oec:A2019Plan0.00.00.00.00.00.00.00.0

oec:A2019PlanCEOIncentive


Allocated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.2470.0290.1340.1340.0930.0960.2640.0
Percentage of AllocatedShareBasedCompensationExpense7.72.511.2-11.84.04.716.90.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.00.10.00.00.00.10.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax oec:A2019PlanCEOIncentive0.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value9820205.168-17.195-4.81119181518
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax24.55.86.51.8-8.5-1.46.05.13.94.7

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value290257226202168245233271294286
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax72.571.571.871.983.273.272.473.373.974.5

Gross Profit

us-gaap:GrossProfit

us-gaap:GrossProfit


Gross
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
Value1101028979339088981049795109112112
Percentage of GrossProfit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax27.528.528.228.116.826.827.626.726.125.524.827.728.827.6

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest us-gaap:ConsolidationItems

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:CorporateNonSegment


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-13.518-6.714-6.089-2.323-5.236-7.543-4.501-5.636
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.3-2.4-3.0-0.7-1.6-2.0-1.1-1.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.0

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value122311211-23.81252531332821357336
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax30.58.84.13.9-11.77.67.98.68.57.35.59.118.89.1

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


Income
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value1.2282.5912.2722.6542.3980.00.0
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments3.920.020.5-11.19.40.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.30.80.81.30.70.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value338.2744.1262.25-5.8797.6356.7017.7679.3099.439
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.42.31.30.8-2.92.32.12.12.32.5

us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Income
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value4.1262.25-5.8797.6356.7017.7679.3099.439
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.30.8-2.92.32.12.12.32.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.0

us-gaap:IncomeTaxExpenseBenefit us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


Income
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.3940.6550.9190.9040.7760.00.0
Percentage of IncomeTaxExpenseBenefit4.815.940.8-15.410.20.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.10.20.30.40.20.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.0

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2020-12-312020-09-302020-06-302019-12-312019-09-302019-06-30
Value8.997-1.0682.267.931-1.7059.116
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.8-0.41.12.5-0.52.3

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value8.9519.95910108.2779.617.0636.57.5666.443
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.22.83.23.84.12.92.21.81.91.7

us-gaap:InterestExpense us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value8.9519.95910108.2779.617.0636.57.5666.443
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax2.22.83.23.84.12.92.21.81.91.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.00.00.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value6.0175.2465.1614.3454.7066.5273.1426.024
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.91.92.51.31.51.80.81.6

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value89238.9068.997-17.78181824241815255326
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.26.52.83.2-8.85.45.96.66.24.94.16.613.66.6

us-gaap:NetIncomeLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


Net
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.8341.9371.3541.751.6230.00.0
Percentage of NetIncomeLoss3.521.715.0-9.89.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.60.50.90.50.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value89238.997-17.7818242418
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.26.53.2-8.85.46.66.24.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.0

Nonoperating Income Expense

us-gaap:NonoperatingIncomeExpense

us-gaap:NonoperatingIncomeExpense


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value-1224000.0-1228000.0-2591000.0-2272000.0-2654000.0-2398000.000
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.3-0.3-0.8-0.8-1.3-0.70.00.0

us-gaap:NonoperatingIncomeExpense us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Nonoperating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-1224000.0-1228000.0-2591000.0-2272000.0-2654000.0-2398000.0
Percentage of NonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.3-0.3-0.8-0.8-1.3-0.7
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.0

Operating Income Loss

us-gaap:OperatingIncomeLoss

us-gaap:OperatingIncomeLoss


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value132422524-12.879373238413426418245
Percentage of OperatingIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax33.011.98.18.6-6.411.210.110.410.49.06.910.621.111.1

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-13.518-6.714-6.089-2.323-5.236-7.543-4.501-5.636
Percentage of OperatingIncomeLoss-52.9-27.847.3-6.2-16.1-19.7-10.9-16.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-4.3-2.4-3.0-0.7-1.6-2.0-1.1-1.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.0

us-gaap:OperatingIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, oec:Rubber


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1114-13.6452014242621
Percentage of OperatingIncomeLoss44.660.3105.954.243.463.763.061.3
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax3.65.2-6.76.14.46.66.55.5
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments oec:Rubber0.08.2-12.69.40.09.910.18.4

us-gaap:OperatingSegments, oec:Specialties


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value27166.8551923211919
Percentage of OperatingIncomeLoss108.267.5-53.252.072.756.047.955.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax8.85.83.45.87.35.85.05.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments oec:Specialties0.015.77.316.30.017.514.214.5

Other Nonoperating Income Expense

us-gaap:OtherNonoperatingIncomeExpense us-gaap:ConsolidationItems

us-gaap:OtherNonoperatingIncomeExpense

us-gaap:CorporateNonSegment


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-2273000.0-3222000.0-1188000.0-873000.0-3922000.0-1933000.0-629000.0-360000.0
Percentage of OtherNonoperatingIncomeExpense100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-0.7-1.1-0.6-0.3-1.2-0.5-0.2-0.1
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:CorporateNonSegment0.00.00.00.00.00.00.00.0

Research And Development Expense

us-gaap:ResearchAndDevelopmentExpense

us-gaap:ResearchAndDevelopmentExpense


Research
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value5.9424.763.4447.3524.4494.9565.0384.7934.9145.129
Percentage of ResearchAndDevelopmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax1.51.31.12.62.21.51.61.31.21.3

Revenue From Contract With Customer Excluding Assessed Tax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax

us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value400360315282202336322370399384385393391406
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, oec:Rubber


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value244215188178108216207247259253
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax61.060.059.663.353.464.464.466.865.165.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax61.060.059.663.353.464.464.466.865.165.8
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments oec:Rubber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, oec:Specialties


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value15614412710394119114122139131
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.040.040.436.746.635.635.633.234.934.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax39.040.040.436.746.635.635.633.234.934.2
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:OperatingSegments oec:Specialties100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Selling General And Administrative Expense

us-gaap:SellingGeneralAndAdministrativeExpense

us-gaap:SellingGeneralAndAdministrativeExpense


Selling
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value55524943384449495255
Percentage of SellingGeneralAndAdministrativeExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax13.714.515.815.319.013.215.413.413.114.4

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-31
Value153814251389134712531323125712731164
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value133143151196
Percentage of Assets9.611.411.916.8
Percentage of Assets9.611.411.916.8
Percentage of Assets us-gaap:CorporateNonSegment100.0100.0100.0100.0

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

us-gaap:OperatingSegments, oec:Rubber


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value789696685610
Percentage of Assets56.855.453.852.5
Percentage of Assets56.855.453.852.5
Percentage of Assets us-gaap:OperatingSegments oec:Rubber100.0100.0100.0100.0

us-gaap:OperatingSegments, oec:Specialties


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value466417436357
Percentage of Assets33.633.234.330.7
Percentage of Assets33.633.234.330.7
Percentage of Assets us-gaap:OperatingSegments oec:Specialties100.0100.0100.0100.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value15381425138913471253132312571273
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value3022021811571501661861761671681589554
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.614.213.011.712.012.614.80.00.00.012.58.20.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value-6.75-7.467-8.676-6.757-7.747-9.342-11.189-2.693-2.814-2.778-2.831-2.965-7.064
Percentage of StockholdersEquity-2.2-3.7-4.8-4.3-5.1-5.6-6.0-1.5-1.7-1.6-1.8-3.1-12.9
Percentage of Assets-0.4-0.5-0.6-0.5-0.6-0.7-0.90.00.00.0-0.2-0.30.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value-11.772-12.327-13.485-14.35-13.152-11.511-10.891-13.071-12.747-8.372-6.147-1.801-15.262
Percentage of StockholdersEquity-3.9-6.1-7.4-9.1-8.7-6.9-5.9-7.4-7.6-5.0-3.9-1.9-27.9
Percentage of Assets-0.8-0.9-1.0-1.1-1.0-0.9-0.90.00.00.0-0.5-0.20.0
Percentage of Assets us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value-42.443-51.432-48.705-60.449-56.621-57.206-34.362-34.892-29.592-20.337-19.628-5.32-17.948
Percentage of StockholdersEquity-14.0-25.4-26.9-38.5-37.5-34.3-18.5-19.8-17.7-12.0-12.4-5.6-32.8
Percentage of Assets-2.8-3.6-3.5-4.5-4.5-4.3-2.70.00.00.0-1.5-0.50.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value-23.921-31.638-26.543-39.342-35.722-36.353-12.281-19.128-14.031-9.187-10.65-0.5544.378
Percentage of StockholdersEquity-7.9-15.6-14.7-25.0-23.7-21.8-6.6-10.9-8.4-5.4-6.7-0.68.0
Percentage of Assets-1.6-2.2-1.9-2.9-2.9-2.7-1.00.00.00.0-0.8-0.00.0
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value6968686564626563616763102139
Percentage of StockholdersEquity23.033.737.841.642.537.735.236.036.739.840.0107.6254.9
Percentage of Assets4.54.84.94.85.14.85.20.00.00.05.08.80.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value85858585858585858584848383
Percentage of StockholdersEquity28.242.147.154.356.651.145.748.250.849.953.087.9153.2
Percentage of Assets5.56.06.16.36.86.46.80.00.00.06.67.20.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value197107847566847871594639-81.901-146.761
Percentage of StockholdersEquity65.253.246.648.044.150.542.140.535.427.524.8-85.9-268.4
Percentage of Assets12.87.66.15.65.36.46.20.00.00.03.1-7.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value-7.345-7.345-8.515-8.515-8.515-8.515-8.515-8.683-8.683-8.683-8.683-3.773-3.773
Percentage of StockholdersEquity-2.4-3.6-4.7-5.4-5.6-5.1-4.6-4.9-5.2-5.1-5.5-4.0-6.9
Percentage of Assets-0.5-0.5-0.6-0.6-0.7-0.6-0.70.00.00.0-0.7-0.30.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets Current

us-gaap:AssetsCurrent

us-gaap:AssetsCurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value620537500490479569507575
Percentage of AssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets40.337.736.036.438.343.040.445.2

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value74626497143107635553605772
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.84.44.77.211.48.15.10.00.00.04.56.2

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value76656710014611068605765617580
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.04.64.97.411.78.35.40.00.00.04.86.50.0

Accounts Receivable Net Current

us-gaap:AccountsReceivableNetCurrent

us-gaap:AccountsReceivableNetCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value303257234215145234212262
Percentage of AccountsReceivableNetCurrent100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.718.116.916.011.617.716.920.6

Inventory Net

us-gaap:InventoryNet

us-gaap:InventoryNet


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value186157141125135168164183
Percentage of InventoryNet100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.111.010.29.310.812.713.114.4

Prepaid Expense And Other Assets Current

us-gaap:PrepaidExpenseAndOtherAssetsCurrent

us-gaap:PrepaidExpenseAndOtherAssetsCurrent


Prepaid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value4145443934323734
Percentage of PrepaidExpenseAndOtherAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.73.23.22.92.82.43.02.7

Noncurrent Assets

us-gaap:NoncurrentAssets

us-gaap:NoncurrentAssets


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value696561483
Percentage of NoncurrentAssets100.0100.0100.0
Percentage of Assets50.144.738.0

us-gaap:NoncurrentAssets us-gaap:StatementGeographical

country:BR


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value172321
Percentage of NoncurrentAssets2.54.24.4
Percentage of Assets1.21.91.7
Percentage of Assets country:BR0.00.00.0

country:CN


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value271910
Percentage of NoncurrentAssets3.93.52.2
Percentage of Assets2.01.60.8
Percentage of Assets country:CN0.00.00.0

country:DE


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value14781104
Percentage of NoncurrentAssets21.214.521.7
Percentage of Assets10.66.58.2
Percentage of Assets country:DE0.00.00.0

country:IT


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value604329
Percentage of NoncurrentAssets8.77.86.1
Percentage of Assets4.43.52.3
Percentage of Assets country:IT0.00.00.0

country:KR


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value120112115
Percentage of NoncurrentAssets17.320.023.8
Percentage of Assets8.78.99.0
Percentage of Assets country:KR0.00.00.0

country:PL


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value121212
Percentage of NoncurrentAssets1.92.22.7
Percentage of Assets0.91.01.0
Percentage of Assets country:PL0.00.00.0

country:SE


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value272626
Percentage of NoncurrentAssets4.04.75.4
Percentage of Assets2.02.12.1
Percentage of Assets country:SE0.00.00.0

country:US


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value258220139
Percentage of NoncurrentAssets37.139.228.9
Percentage of Assets18.617.511.0
Percentage of Assets country:US0.00.00.0

country:ZA


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value131516
Percentage of NoncurrentAssets1.92.83.5
Percentage of Assets0.91.31.3
Percentage of Assets country:ZA0.00.00.0

oec:OtherEuropeanCountries


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value106.1795.815
Percentage of NoncurrentAssets1.51.11.2
Percentage of Assets0.80.50.5
Percentage of Assets oec:OtherEuropeanCountries0.00.00.0

oec:OtherMiscellaneousCountries


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value0.1030.10.022
Percentage of NoncurrentAssets0.00.00.0
Percentage of Assets0.00.00.0
Percentage of Assets oec:OtherMiscellaneousCountries0.00.00.0

srt:Europe


Noncurrent
Period End2020-12-312019-12-312018-12-31
Value259169179
Percentage of NoncurrentAssets37.330.237.1
Percentage of Assets18.713.514.1
Percentage of Assets srt:Europe0.00.00.0

Assets Noncurrent

us-gaap:AssetsNoncurrent

us-gaap:AssetsNoncurrent


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value917888889857773754749697
Percentage of AssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets59.762.364.063.661.757.059.654.8

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-31
Value818084807775775558
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.35.76.16.06.25.76.24.45.0

us-gaap:Goodwill us-gaap:StatementBusinessSegments

oec:Rubber


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value33303133
Percentage of Goodwill40.040.056.856.8
Percentage of Assets2.42.52.52.8
Percentage of Assets oec:Rubber0.00.00.00.0

oec:Specialties


Goodwillus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value50462325
Percentage of Goodwill60.060.043.243.2
Percentage of Assets3.63.71.92.2
Percentage of Assets oec:Specialties0.00.00.00.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value4142464747485095
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.73.03.43.53.83.64.07.5

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-312019-12-312018-12-31
Value465095
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0
Percentage of Assets3.44.07.5

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

oec:DevelopedTechnologyandPatents


Finite
Period End2020-12-312019-12-312018-12-31
Value232547
Percentage of FiniteLivedIntangibleAssetsNet49.650.350.0
Percentage of Assets1.72.03.7
Percentage of Assets oec:DevelopedTechnologyandPatents0.00.00.0

us-gaap:ContractBasedIntangibleAssets


Finite
Period End2020-12-312019-12-312018-12-31
Value6.8966.822
Percentage of FiniteLivedIntangibleAssetsNet14.713.423.4
Percentage of Assets0.50.51.8
Percentage of Assets us-gaap:ContractBasedIntangibleAssets0.00.00.0

us-gaap:CustomerRelationships


Finite
Period End2020-12-312019-12-312018-12-31
Value7.077.01712
Percentage of FiniteLivedIntangibleAssetsNet15.113.912.6
Percentage of Assets0.50.60.9
Percentage of Assets us-gaap:CustomerRelationships0.00.00.0

us-gaap:OtherIntangibleAssets


Finite
Period End2020-12-312019-12-312018-12-31
Value1.6532.7533.389
Percentage of FiniteLivedIntangibleAssetsNet3.55.43.6
Percentage of Assets0.10.20.3
Percentage of Assets us-gaap:OtherIntangibleAssets0.00.00.0

us-gaap:Trademarks


Finite
Period End2020-12-312019-12-312018-12-31
Value7.9648.5589.912
Percentage of FiniteLivedIntangibleAssetsNet17.016.910.4
Percentage of Assets0.60.70.8
Percentage of Assets us-gaap:Trademarks0.00.00.0

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-31
Value135.4126.891
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0
Percentage of Assets1.00.40.5

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-03-312019-01-01
Value242485822829273030
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.61.76.26.12.32.22.20.00.0

Other Assets Noncurrent

us-gaap:OtherAssetsNoncurrent

us-gaap:OtherAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value2609000.02438000.02956000.02971000.03086000.03434000.03701000.02928000.0
Percentage of OtherAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.30.30.2

Accounts Payable Current

us-gaap:AccountsPayableCurrent

us-gaap:AccountsPayableCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value15114113110590145156163
Percentage of AccountsPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.99.99.47.87.211.012.412.9

Accrued Liabilities Current

us-gaap:AccruedLiabilitiesCurrent

us-gaap:AccruedLiabilitiesCurrent


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value4339493936314456
Percentage of AccruedLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.82.83.52.92.92.43.64.4

Debt Current

us-gaap:DebtCurrent

us-gaap:DebtCurrent


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value70107821231361443641
Percentage of DebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.67.65.99.210.910.92.93.2

Liabilities Current

us-gaap:LiabilitiesCurrent

us-gaap:LiabilitiesCurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value364356324328315373285320
Percentage of LiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets23.725.023.424.425.128.222.725.2

Long Term Debt Current

us-gaap:LongTermDebtCurrent

us-gaap:LongTermDebtCurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value70107821231361443641
Percentage of LongTermDebtCurrent100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.67.65.99.210.910.92.93.2

Operating Lease Liability Current

us-gaap:OperatingLeaseLiabilityCurrent

us-gaap:OperatingLeaseLiabilityCurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-30
Value8.696.2681211
Percentage of OperatingLeaseLiabilityCurrent100.0100.0100.0100.0
Percentage of Assets0.60.40.90.9

Other Accrued Liabilities Current

us-gaap:OtherAccruedLiabilitiesCurrent

us-gaap:OtherAccruedLiabilitiesCurrent


Other
Period End2020-12-312019-12-312018-12-31
Value121215
Percentage of OtherAccruedLiabilitiesCurrent100.0100.0100.0
Percentage of Assets0.91.01.2

Other Liabilities Current

us-gaap:OtherLiabilitiesCurrent

us-gaap:OtherLiabilitiesCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value4138363935353230
Percentage of OtherLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.72.72.62.92.82.72.62.4

Taxes Payable Current

us-gaap:TaxesPayableCurrent

us-gaap:TaxesPayableCurrent


Taxes
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value5728231915141428
Percentage of TaxesPayableCurrent100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.72.01.71.51.21.11.12.2

Liabilities Noncurrent

us-gaap:LiabilitiesNoncurrent

us-gaap:LiabilitiesNoncurrent


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value871866884862787783786793
Percentage of LiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets56.760.863.664.062.859.262.562.4

Long Term Debt

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

us-gaap:LongTermDebt

oec:TermLoan, oec:TermLoanEUR


Long
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value390373358351361
Percentage of LongTermDebt100.0100.0100.0100.0100.0
Percentage of Assets28.127.728.626.628.8
Percentage of Assets oec:TermLoan oec:TermLoanEUR0.00.00.00.00.0

oec:TermLoan, oec:TermLoanUSD


Long
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value277278279280281
Percentage of LongTermDebt71.274.678.079.777.8
Percentage of Assets20.020.722.321.222.4
Percentage of Assets oec:TermLoan oec:TermLoanUSD0.00.00.00.00.0

Long Term Debt Noncurrent

us-gaap:LongTermDebtNoncurrent

us-gaap:LongTermDebtNoncurrent


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value640637655640625619630643
Percentage of LongTermDebtNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets41.644.747.247.549.946.850.150.6

Deferred Finance Costs Noncurrent Net

us-gaap:DeferredFinanceCostsNoncurrentNet us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:DeferredFinanceCostsNoncurrentNet

oec:TermLoan, oec:TermLoanFacility


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value2844000.03162000.03676000.03856000.04028000.04285000.04733000.06266000.0
Percentage of DeferredFinanceCostsNoncurrentNet100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.30.30.30.30.40.5
Percentage of Assets oec:TermLoan oec:TermLoanFacility0.00.00.00.00.00.00.00.0

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value4644384948544345
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.03.12.83.73.94.13.43.6

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value8179837471697160
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.35.66.05.55.75.25.74.7

Other Liabilities Noncurrent

us-gaap:OtherLiabilitiesNoncurrent

us-gaap:OtherLiabilitiesNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1041041069741394044
Percentage of OtherLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.87.37.67.33.33.03.23.5

Operating Lease Liability Noncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent

us-gaap:OperatingLeaseLiabilityNoncurrent


Operating
Period End2021-06-302021-03-312020-12-312020-09-30
Value17197472
Percentage of OperatingLeaseLiabilityNoncurrent100.0100.0100.0100.0
Percentage of Assets1.11.45.45.4

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-03-312019-01-01
Value26258684293131
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.71.86.26.22.30.00.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value3022021811571501661861761671681589554
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets19.614.213.011.712.012.614.80.00.00.012.58.20.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value-6.75-7.467-8.676-6.757-7.747-9.342-11.189-2.693-2.814-2.778-2.831-2.965-7.064
Percentage of StockholdersEquity-2.2-3.7-4.8-4.3-5.1-5.6-6.0-1.5-1.7-1.6-1.8-3.1-12.9
Percentage of Assets-0.4-0.5-0.6-0.5-0.6-0.7-0.90.00.00.0-0.2-0.30.0
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value-11.772-12.327-13.485-14.35-13.152-11.511-10.891-13.071-12.747-8.372-6.147-1.801-15.262
Percentage of StockholdersEquity-3.9-6.1-7.4-9.1-8.7-6.9-5.9-7.4-7.6-5.0-3.9-1.9-27.9
Percentage of Assets-0.8-0.9-1.0-1.1-1.0-0.9-0.90.00.00.0-0.5-0.20.0
Percentage of Assets us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value-42.443-51.432-48.705-60.449-56.621-57.206-34.362-34.892-29.592-20.337-19.628-5.32-17.948
Percentage of StockholdersEquity-14.0-25.4-26.9-38.5-37.5-34.3-18.5-19.8-17.7-12.0-12.4-5.6-32.8
Percentage of Assets-2.8-3.6-3.5-4.5-4.5-4.3-2.70.00.00.0-1.5-0.50.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedTranslationAdjustment


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value-23.921-31.638-26.543-39.342-35.722-36.353-12.281-19.128-14.031-9.187-10.65-0.5544.378
Percentage of StockholdersEquity-7.9-15.6-14.7-25.0-23.7-21.8-6.6-10.9-8.4-5.4-6.7-0.68.0
Percentage of Assets-1.6-2.2-1.9-2.9-2.9-2.7-1.00.00.00.0-0.8-0.00.0
Percentage of Assets us-gaap:AccumulatedTranslationAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value6968686564626563616763102139
Percentage of StockholdersEquity23.033.737.841.642.537.735.236.036.739.840.0107.6254.9
Percentage of Assets4.54.84.94.85.14.85.20.00.00.05.08.80.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value85858585858585858584848383
Percentage of StockholdersEquity28.242.147.154.356.651.145.748.250.849.953.087.9153.2
Percentage of Assets5.56.06.16.36.86.46.80.00.00.06.67.20.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value197107847566847871594639-81.901-146.761
Percentage of StockholdersEquity65.253.246.648.044.150.542.140.535.427.524.8-85.9-268.4
Percentage of Assets12.87.66.15.65.36.46.20.00.00.03.1-7.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312016-12-31
Value-7.345-7.345-8.515-8.515-8.515-8.515-8.515-8.683-8.683-8.683-8.683-3.773-3.773
Percentage of StockholdersEquity-2.4-3.6-4.7-5.4-5.6-5.1-4.6-4.9-5.2-5.1-5.5-4.0-6.9
Percentage of Assets-0.5-0.5-0.6-0.6-0.7-0.6-0.70.00.00.0-0.7-0.30.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value8585858585858584
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.56.06.16.36.86.46.86.6

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value6968686564626563
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.54.84.94.85.14.85.25.0

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value197107847566847839
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.87.66.15.65.36.46.23.1

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value-42443000.0-51432000.0-48705000.0-60449000.0-56621000.0-57206000.0-34362000.0-19628000.0
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-2.8-3.6-3.5-4.5-4.5-4.3-2.7-1.5

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value7345000.07345000.08515000.08515000.08515000.08515000.08515000.08683000.0
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.50.50.60.60.70.60.70.7

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-03-312019-06-30
Value-1170000.043000.0
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0
Percentage of Assets0.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.0

us-gaap:TreasuryStock


Stock
Period End2021-03-31
Value1170000.0
Percentage of StockIssuedDuringPeriodValueNewIssues-100.0
Percentage of Assets0.0
Percentage of Assets us-gaap:TreasuryStock0.0

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value1216000.01024000.01182000.01199000.0-2632000.02025000.0-5737000.03553000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value1216000.01024000.01182000.01199000.0-2632000.02025000.0-5737000.03553000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value831.805321.738854.90588684726
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.80.510.40.642.31.527.618.512.06.8

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-31081000.0-27227000.0-24596000.0-30942000.0-38550000.0-50851000.0-60539000.0-34452000.0-38370000.0-22487000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.8-7.6-7.8-11.0-19.0-15.1-18.8-9.3-9.6-5.8

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-42.17525-47.315-20.866-12.83694-22.303-29.475-17.1710.337
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.57.1-15.0-7.4-6.328.1-6.9-8.0-4.30.1

Amortization Of Financing Costs

us-gaap:AmortizationOfFinancingCosts

us-gaap:AmortizationOfFinancingCosts


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value537000.0539000.0540000.0530000.0500000.0501000.0480000.0512000.0555000.0535000.0
Percentage of AmortizationOfFinancingCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfFinancingCosts us-gaap:CreditFacility

us-gaap:RevolvingCreditFacility


Amortization
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value100000.0200000.0200000.0200000.0200000.0100000.0200000.0200000.0
Percentage of AmortizationOfFinancingCosts18.537.740.039.941.719.536.037.4

us-gaap:AmortizationOfFinancingCosts us-gaap:CreditFacility, us-gaap:DebtInstrument

oec:TermLoan, oec:TermLoanFacility


Amortization
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value300000.0400000.0300000.0300000.0300000.0400000.0400000.0300000.0
Percentage of AmortizationOfFinancingCosts55.675.560.059.962.578.172.156.1

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value25252623212325212524
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Accounts Receivable

us-gaap:IncreaseDecreaseInAccountsReceivable

us-gaap:IncreaseDecreaseInAccountsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value40309.81966-90.56831-43.262-21.3236.5512
Percentage of IncreaseDecreaseInAccountsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Inventories

us-gaap:IncreaseDecreaseInInventories

us-gaap:IncreaseDecreaseInInventories


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value26199.625-14.375-36.88311-11.5242.210.847-7.946
Percentage of IncreaseDecreaseInInventories100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-12.4189.2265.8610.324-4.5760.7117.2431.8445.2760.134
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value831.805321.738854.90588684726
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax20.80.510.40.642.31.527.618.512.06.8

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value89238.9068.997-17.78181824241815255326
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.26.52.83.2-8.85.45.96.66.24.94.16.613.66.6

us-gaap:NetIncomeLoss us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome


Net
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.8341.9371.3541.751.6230.00.0
Percentage of NetIncomeLoss3.521.715.0-9.89.00.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax0.20.60.50.90.50.00.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value89238.997-17.7818242418
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax22.26.53.2-8.85.46.66.24.9
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.2161.063.1921.1821.199-1.1392.3012.0251.5593.553
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-31081000.0-27227000.0-24596000.0-30942000.0-38550000.0-50851000.0-60539000.0-34452000.0-38370000.0-22487000.0
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-7.8-7.6-7.8-11.0-19.0-15.1-18.8-9.3-9.6-5.8

Payments To Acquire Productive Assets

us-gaap:PaymentsToAcquireProductiveAssets

us-gaap:PaymentsToAcquireProductiveAssets


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value31272430385060343822
Percentage of PaymentsToAcquireProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-42.17525-47.315-20.866-12.83694-22.303-29.475-17.1710.337
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of RevenueFromContractWithCustomerExcludingAssessedTax-10.57.1-15.0-7.4-6.328.1-6.9-8.0-4.30.1

Repayments Of Long Term Debt

us-gaap:RepaymentsOfLongTermDebt

us-gaap:RepaymentsOfLongTermDebt


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2.0852.0722.1132.0552.0152.0062.0021.9872.0292.018
Percentage of RepaymentsOfLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments Of Dividends

us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividends


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.00.01212121211
Percentage of PaymentsOfDividends0.00.00.0100.0100.0100.0100.0100.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value27.328.20.7330.20.28910.2919-30.32430.60.2960.301
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-31
Value949687
Percentage of DeferredTaxAssetsNet100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value1311141310
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-31
Value424140
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0

oec:AccountsReceivableAllowanceForCreditLossForeignCurrencyTranslation

oec:AccountsReceivableAllowanceForCreditLossForeignCurrencyTranslation


Accounts
Period End2020-12-312020-09-302019-12-312019-09-30
Value-226000.0-87000.0648000.0-224000.0
Percentage of AccountsReceivableAllowanceForCreditLossForeignCurrencyTranslation100.0100.0100.0100.0

oec:ActuarialGainLossRecognizedInEarnings

oec:ActuarialGainLossRecognizedInEarnings


Actuarial
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value-1224000.0-1228000.0-2591000.0-2272000.0-2654000.0-2398000.000
Percentage of ActuarialGainLossRecognizedInEarnings100.0100.0100.0100.0100.0100.00.00.0

oec:AdjustedEarningsBeforeInterestTaxDepreciationandAmortization

oec:AdjustedEarningsBeforeInterestTaxDepreciationandAmortization


Adjusted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value787055156363687164
Percentage of AdjustedEarningsBeforeInterestTaxDepreciationandAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0

oec:AdjustedEarningsBeforeInterestTaxDepreciationandAmortization us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, oec:Rubber


Adjusted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value393128-1.2333531384035
Percentage of AdjustedEarningsBeforeInterestTaxDepreciationandAmortization50.144.051.9-8.156.049.756.056.654.5

us-gaap:OperatingSegments, oec:Specialties


Adjusted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value393926162831293129
Percentage of AdjustedEarningsBeforeInterestTaxDepreciationandAmortization49.956.048.1108.144.050.344.043.445.5

oec:CashInflowsRelatedToCurrentFinancialLiabilitiesFinancingActivities

oec:CashInflowsRelatedToCurrentFinancialLiabilitiesFinancingActivities


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.956351539411098.5459.7244137
Percentage of CashInflowsRelatedToCurrentFinancialLiabilitiesFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

oec:CashOutflowsRelatedToCurrentFinancialLiabilitiesFinancingActivities

oec:CashOutflowsRelatedToCurrentFinancialLiabilitiesFinancingActivities


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value417.7346058520.016253622
Percentage of CashOutflowsRelatedToCurrentFinancialLiabilitiesFinancingActivities100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

oec:CorporateCharges

oec:CorporateCharges


Corporate
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.7772.225136.7146.0892.3235.2367.5434.5015.636
Percentage of CorporateCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

oec:CorporateCharges us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Corporate
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.7772.225136.7146.0892.3235.2367.5434.5015.636
Percentage of CorporateCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

oec:DepreciationAmortizationAndAssetImpairment

oec:DepreciationAmortizationAndAssetImpairment


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value25252623212325212524
Percentage of DepreciationAmortizationAndAssetImpairment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

oec:DepreciationAmortizationAndAssetImpairment us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, oec:Rubber


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value14141513121517131413
Percentage of DepreciationAmortizationAndAssetImpairment56.055.858.157.656.064.168.061.555.957.1

us-gaap:OperatingSegments, oec:Specialties


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value111111109.6168.5528.0798.4671110
Percentage of DepreciationAmortizationAndAssetImpairment44.044.241.942.444.035.932.038.544.142.9

oec:EffectiveIncomeTaxRateReconciliationNetDiscreteTaxExpenseAmount

oec:EffectiveIncomeTaxRateReconciliationNetDiscreteTaxExpenseAmount


Effective
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-700000.0700000.0100000.01200000.0-700000.02600000.0700000.0900000.0
Percentage of EffectiveIncomeTaxRateReconciliationNetDiscreteTaxExpenseAmount100.0100.0100.0100.0100.0100.0100.0100.0

oec:EnvironmentalProtectionAgencyRelatedExpense us-gaap:ConsolidationItems

oec:EnvironmentalProtectionAgencyRelatedExpense

us-gaap:CorporateNonSegment


Environmental
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value175000.01487000.0977000.02589000.01035000.01549000.0690000.0718000.0
Percentage of EnvironmentalProtectionAgencyRelatedExpense100.0100.0100.0100.0100.0100.0100.0100.0

oec:ExtraordinaryExpenseItemsRelatedToCOVID19 us-gaap:ConsolidationItems

oec:ExtraordinaryExpenseItemsRelatedToCOVID19

us-gaap:CorporateNonSegment


Extraordinary
Period End2020-12-312020-09-302020-06-302019-06-30
Value318000.0822000.02725000.00
Percentage of ExtraordinaryExpenseItemsRelatedToCOVID19100.0100.0100.00.0

oec:FinanceLeaseCost

oec:FinanceLeaseCost


Finance
Period End2020-12-312020-09-30
Value1400000.0600000.0
Percentage of FinanceLeaseCost100.0100.0

oec:IncreaseDecreaseInProvisions

oec:IncreaseDecreaseInProvisions


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-6.6697.946-7.207-2.633-3.83311-1.15-3.301-5.99520
Percentage of IncreaseDecreaseInProvisions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

oec:LitigationReserveAdjustmentIncreaseDecreaseDuringPeriod

oec:LitigationReserveAdjustmentIncreaseDecreaseDuringPeriod


Litigation
Period End2021-06-30
Value-3400000.0
Percentage of LitigationReserveAdjustmentIncreaseDecreaseDuringPeriod100.0

oec:LossContingencySettlementAgreementMandatoryEnvironmentalMitigationProjects us-gaap:LitigationStatus, us-gaap:LossContingenciesByNatureOfContingency

oec:LossContingencySettlementAgreementMandatoryEnvironmentalMitigationProjects

us-gaap:SettledLitigation, us-gaap:UnfavorableRegulatoryAction


Loss
Period End2021-06-302021-03-312020-12-31
Value0600000.00
Percentage of LossContingencySettlementAgreementMandatoryEnvironmentalMitigationProjects0.0100.00.0

oec:OperatingLeaseLiabilityPeriodIncreaseDecreaseCurrent

oec:OperatingLeaseLiabilityPeriodIncreaseDecreaseCurrent


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value8.1793.862-1.4412.9820.476-1.1481.7825.144
Percentage of OperatingLeaseLiabilityPeriodIncreaseDecreaseCurrent100.0100.0100.0100.0100.0100.0100.0100.0

oec:OperatingLeaseLiabilityPeriodIncreaseDecreaseNoncurrent

oec:OperatingLeaseLiabilityPeriodIncreaseDecreaseNoncurrent


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-5.241510.4461.2421.2121.113-1.63225
Percentage of OperatingLeaseLiabilityPeriodIncreaseDecreaseNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0

oec:OtherCostAndExpenseIncomeOperating

oec:OtherCostAndExpenseIncomeOperating


Other
Period End2021-06-302020-06-30
Value-547000.03827000.0
Percentage of OtherCostAndExpenseIncomeOperating100.0100.0

oec:PensionObligationsActuarialLossesAsAPercentageOfDefinedBenefitObligations

oec:PensionObligationsActuarialLossesAsAPercentageOfDefinedBenefitObligations


Pension
Period End2021-06-302021-03-312020-09-30
Value010.09.9
Percentage of PensionObligationsActuarialLossesAsAPercentageOfDefinedBenefitObligations0.0100.0100.0

oec:ProceedsFromSaleOfEmissionsCertificate

oec:ProceedsFromSaleOfEmissionsCertificate


Proceeds
Period End2021-03-03
Value10
Percentage of ProceedsFromSaleOfEmissionsCertificate100.0

oec:ReclassificationFromAOCICurrentPeriodForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax

oec:ReclassificationFromAOCICurrentPeriodForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax


Reclassification
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-264000.01007000.0-573000.0-280000.0420000.0658000.0-190000.0133000.0
Percentage of ReclassificationFromAOCICurrentPeriodForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0

oec:ReclassificationFromAOCICurrentPeriodForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-109000.0375000.0-364000.0-155000.0225000.0121000.0-36000.053000.0
Percentage of ReclassificationFromAOCICurrentPeriodForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax41.337.263.555.453.618.418.939.8

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Reclassification
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-155000.0632000.0-209000.0-125000.0195000.0537000.0-154000.080000.0
Percentage of ReclassificationFromAOCICurrentPeriodForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax58.762.836.544.646.481.681.160.2

oec:SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsCorrelation us-gaap:AwardType, us-gaap:PlanName

oec:SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsCorrelation

us-gaap:PerformanceShares, oec:TwoThousandEighteenPlan


Sharebased
Period End2020-12-312020-09-302020-06-302020-03-31
Value0000.3659
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsCorrelation0.00.00.0100.0

us-gaap:PerformanceShares, oec:TwoThousandNineteenPlan


Sharebased
Period End2020-12-312020-09-302020-06-302020-03-31
Value0000.5205
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsCorrelation0.00.00.0142.3

us-gaap:PerformanceShares, oec:TwoThousandSeventeenPlan


Sharebased
Period End2020-09-302020-06-302020-03-31
Value000.4574
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsCorrelation0.00.0125.0

us-gaap:PerformanceShares, oec:TwoThousandTwentyPlan


Sharebased
Period End2020-12-31
Value0
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsCorrelation0.0

oec:SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateOEC us-gaap:AwardType, us-gaap:PlanName

oec:SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateOEC

us-gaap:PerformanceShares, oec:TwoThousandEighteenPlan


Sharebased
Period End2020-12-312020-09-302020-06-302020-03-31
Value029.91800.3022
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateOEC0.0100.00.0100.0

us-gaap:PerformanceShares, oec:TwoThousandNineteenPlan


Sharebased
Period End2020-12-312020-09-302020-06-302020-03-31
Value032.96700.333
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateOEC0.0110.20.0110.2

us-gaap:PerformanceShares, oec:TwoThousandSeventeenPlan


Sharebased
Period End2020-09-302020-06-302020-03-31
Value33.43200.3377
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateOEC111.70.0111.7

us-gaap:PerformanceShares, oec:TwoThousandTwentyPlan


Sharebased
Period End2020-12-31
Value0
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateOEC0.0

oec:SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsExpectedVolatilityRatePeerGroup us-gaap:AwardType, us-gaap:PlanName

oec:SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsExpectedVolatilityRatePeerGroup

us-gaap:PerformanceShares, oec:TwoThousandEighteenPlan


Sharebased
Period End2020-12-312020-09-302020-06-302020-03-31
Value019.88900.2009
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsExpectedVolatilityRatePeerGroup0.0100.00.0100.0

us-gaap:PerformanceShares, oec:TwoThousandNineteenPlan


Sharebased
Period End2020-12-312020-09-302020-06-302020-03-31
Value017.44400.1762
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsExpectedVolatilityRatePeerGroup0.087.70.087.7

us-gaap:PerformanceShares, oec:TwoThousandSeventeenPlan


Sharebased
Period End2020-09-302020-06-302020-03-31
Value17.12700.173
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsExpectedVolatilityRatePeerGroup86.10.086.1

us-gaap:PerformanceShares, oec:TwoThousandTwentyPlan


Sharebased
Period End2020-12-31
Value0
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsExpectedVolatilityRatePeerGroup0.0

oec:SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsLeaversRatePerYear

oec:SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsLeaversRatePerYear


Sharebased
Period End2020-12-31
Value0
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardFairValueAssumptionsLeaversRatePerYear0.0

oec:ShippingAndHandlingExpense

oec:ShippingAndHandlingExpense


Shipping
Period End2021-06-302020-06-30
Value2411
Percentage of ShippingAndHandlingExpense100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries

us-gaap:AllowanceForDoubtfulAccountsReceivableRecoveries


Allowance
Period End2020-12-312020-09-302019-12-312019-09-30
Value2629000.0306000.0241000.0367000.0
Percentage of AllowanceForDoubtfulAccountsReceivableRecoveries100.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value100.202-38.985-50.0734485.9984.611-7.5834.021
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStockDividendsPerShareDeclared


Common
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value000.20.20.20.20.2
Percentage of CommonStockDividendsPerShareDeclared0.00.0100.0100.0100.0100.0100.0

us-gaap:ConcentrationRiskPercentage1 us-gaap:ConcentrationRiskByBenchmark, us-gaap:ConcentrationRiskByType, us-gaap:StatementBusinessSegments

us-gaap:ConcentrationRiskPercentage1

us-gaap:SalesRevenueNet, us-gaap:ProductConcentrationRisk, oec:Rubber


Concentration
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value60.063.00.530.6467.00.650.66
Percentage of ConcentrationRiskPercentage1100.0100.0100.0100.0100.0100.0100.0

us-gaap:SalesRevenueNet, us-gaap:ProductConcentrationRisk, oec:Specialties


Concentration
Period End2021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value40.037.00.470.3633.00.350.34
Percentage of ConcentrationRiskPercentage166.758.788.756.249.353.851.5

us-gaap:SalesRevenueSegment, us-gaap:ProductConcentrationRisk, oec:Rubber


Concentration
Period End2021-06-302020-06-30
Value61.053.0
Percentage of ConcentrationRiskPercentage10.010000.0

us-gaap:SalesRevenueSegment, us-gaap:ProductConcentrationRisk, oec:Specialties


Concentration
Period End2021-06-302020-06-30
Value39.047.0
Percentage of ConcentrationRiskPercentage10.08867.9

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:CreditFacility, us-gaap:VariableRate

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1

us-gaap:RevolvingCreditFacility, us-gaap:Eurodollar


Debt
Period End2020-12-312020-06-302020-03-312019-04-022019-04-01
Value2.70.02150.02150.000190.025
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentBasisSpreadOnVariableRate1 us-gaap:StatementScenario, us-gaap:CreditFacility, us-gaap:VariableRate

srt:ScenarioForecast, us-gaap:RevolvingCreditFacility, us-gaap:Eurodollar


Debt
Period End2020-12-312020-09-30
Value2.72.4
Percentage of DebtInstrumentBasisSpreadOnVariableRate1100.00.0

us-gaap:DeferredIncomeTaxesAndTaxCredits

us-gaap:DeferredIncomeTaxesAndTaxCredits


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.385-2.068-0.922-4.725-4.634-1.865143.8470.839-2.913
Percentage of DeferredIncomeTaxesAndTaxCredits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses


Defined
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-06-30
Value-1224000.0-1228000.0-2272000.0-2654000.0-2398000.00
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.00.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:StatementEquityComponents

us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncome, us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss


Defined
Period End2021-03-312020-09-302020-06-302020-03-312019-06-30
Value-1228000.0-2272000.0-2654000.0-2398000.00
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.00.0

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:DefinedBenefitPlanInterestCost


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value263000.0257000.0310000.0298000.0282000.0295000.0418000.0419000.0425000.0432000.0
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1799000.01806000.0-7435000.02857000.03203000.02996000.0-143000.0720000.0843000.0743000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:DefinedBenefitPlanServiceCost


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value312000.0321000.0-295000.0287000.0267000.0303000.0-442000.0301000.0418000.0311000.0
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Effect
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1455000.0-2572000.06456000.04357000.01570000.0-6630000.01925000.0-1999000.0-146000.0-200000.0
Percentage of EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

us-gaap:EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate


Effective
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value20.00.24850.297524.30.2730.334
Percentage of EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate100.0100.0100.0100.0100.0100.0

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax

us-gaap:ForeignCurrencyTransactionGainLossBeforeTax


Foreign
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value11-3.6413.1182.0130.988-1.2191.468-2.230.645-0.935
Percentage of ForeignCurrencyTransactionGainLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfDerivatives us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:GainLossOnSaleOfDerivatives

us-gaap:CrossCurrencyInterestRateContract, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument


Gain
Period End2020-12-302020-12-31
Value-6300000.0-2400000.0
Percentage of GainLossOnSaleOfDerivatives100.0100.0

us-gaap:Swap, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument


Gain
Period End2020-12-31
Value-3900000.0
Percentage of GainLossOnSaleOfDerivatives162.5

us-gaap:GainLossRelatedToLitigationSettlement

us-gaap:GainLossRelatedToLitigationSettlement


Gain
Period End2021-06-30
Value82
Percentage of GainLossRelatedToLitigationSettlement100.0

us-gaap:GainLossRelatedToLitigationSettlement us-gaap:ConsolidationItems

us-gaap:CorporateNonSegment


Gain
Period End2021-06-30
Value82
Percentage of GainLossRelatedToLitigationSettlement100.0

us-gaap:IncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value247000.0146000.067000.0141000.0151000.0133000.0134000.0134000.0153000.0137000.0
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeLossFromEquityMethodInvestments us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, oec:Rubber


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value247000.0146000.067000.0141000.0151000.0133000.0134000.0134000.0153000.0137000.0
Percentage of IncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance

us-gaap:IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance


Income
Period End2020-12-312020-09-302020-06-302020-03-31
Value-1711000.01000000.0200000.0800000.0
Percentage of IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableTrade

us-gaap:IncreaseDecreaseInAccountsPayableTrade


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.582111214-50.1334.391-4.998-13.9022.9963.868
Percentage of IncreaseDecreaseInAccountsPayableTrade100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedTaxesPayable

us-gaap:IncreaseDecreaseInAccruedTaxesPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value284.2060.17.674-3.39212-11.0686.15-4.0841.748
Percentage of IncreaseDecreaseInAccruedTaxesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value91000.0164000.089000.0772000.0776000.01115000.0-11000.01241000.01141000.01595000.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LitigationSettlementAmountAwardedToOtherParty us-gaap:LitigationStatus, us-gaap:LossContingenciesByNatureOfContingency

us-gaap:LitigationSettlementAmountAwardedToOtherParty

us-gaap:SettledLitigation, us-gaap:UnfavorableRegulatoryAction


Litigation
Period End2021-06-302021-03-312020-12-31
Value0800000.00
Percentage of LitigationSettlementAmountAwardedToOtherParty0.0100.00.0

us-gaap:LossContingencyAccrualPayments us-gaap:StatementGeographical, us-gaap:LitigationStatus, us-gaap:LossContingenciesByNatureOfContingency

us-gaap:LossContingencyAccrualPayments

country:US, us-gaap:SettledLitigation, us-gaap:UnfavorableRegulatoryAction


Loss
Period End2021-06-30
Value22
Percentage of LossContingencyAccrualPayments100.0

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent


Oci
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value8.252-3.89-4.787-1.424-23.976-6.118-10.905-2.235
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OciBeforeReclassificationsBeforeTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Oci
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value1.0570.803-1.284-2.224-1.241-1.412-5.951-3.767
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent12.8-20.626.8156.25.223.154.6168.5

us-gaap:AccumulatedTranslationAdjustment


Oci
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value7.195-4.693-3.5030.8-22.735-4.706-4.9541.532
Percentage of OciBeforeReclassificationsBeforeTaxAttributableToParent87.2120.673.2-56.294.876.945.4-68.5

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
Period End2020-09-302019-09-30
Value2900000.02700000.0
Percentage of OperatingLeaseCost100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1100000.02600000.02100000.02200000.01000000.02300000.02600000.02700000.0
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-717000.0-1209000.01919000.0-990000.0-1595000.0-1847000.08496000.0-121000.036000.0-53000.0
Percentage of OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value7717000.0-5095000.012798000.0-3620000.0631000.0-24071000.06846000.0-5097000.0-4844000.01463000.0
Percentage of OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-175000.0679000.0-178000.0-539000.0910000.0-160000.0-1840000.0-1393000.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value347000.0276000.0-294000.0-708000.0-426000.0-551000.0-1730000.0-1462000.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax-198.340.6165.2131.4-46.8344.494.0105.0

us-gaap:AccumulatedTranslationAdjustment


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-522000.0402000.0117000.0169000.01336000.0391000.0-110000.069000.0
Percentage of OtherComprehensiveIncomeLossBeforeReclassificationsTax298.359.2-65.7-31.4146.8-244.46.0-5.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value575000.01089000.0938000.0-1133000.0-1609000.0-656000.02224000.0-396000.0-4375000.0-2225000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTaxParent

us-gaap:OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTaxParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-20000.070000.0-72000.0-65000.0-31000.036000.0-45000.072000.000
Percentage of OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTaxParent100.0100.0100.0100.0100.0100.0100.0100.00.00.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value8.989-2.72811-3.8290.585-22.8440.53-5.3-9.255-0.709
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value8.989-2.728-3.8290.585-22.844-5.3-9.255-0.709
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherCostAndExpenseOperating

us-gaap:OtherCostAndExpenseOperating


Other
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2.5542.5374.5273.8263.1752.0023.1894.5032.475
Percentage of OtherCostAndExpenseOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoncashIncomeExpense

us-gaap:OtherNoncashIncomeExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3224000.0-204000.00790000.0-548000.0-360000.03341000.0-862000.0-3264000.0-1028000.0
Percentage of OtherNoncashIncomeExpense100.0100.00.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRestructuring

us-gaap:PaymentsForRestructuring


Payments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value0.2740.0430.8620.7081.432
Percentage of PaymentsForRestructuring100.0100.0100.0100.0100.0

us-gaap:PaymentsForRestructuring us-gaap:RestructuringCostAndReserve

oec:GroundRemediationCostsRelatedToRestructuring


Payments
Period End2020-09-302020-06-302020-03-31
Value0.0480.1480.252
Percentage of PaymentsForRestructuring5.620.917.6

us-gaap:EmployeeSeverance


Payments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value0.0490.0430.8140.4860.514
Percentage of PaymentsForRestructuring17.9100.094.468.635.9

us-gaap:FacilityClosing


Payments
Period End2021-06-302020-06-302020-03-31
Value0.2250.0740.402
Percentage of PaymentsForRestructuring82.110.528.1

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation

us-gaap:PaymentsRelatedToTaxWithholdingForShareBasedCompensation


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value036000.00001202000.0006475000.00
Percentage of PaymentsRelatedToTaxWithholdingForShareBasedCompensation0.0100.00.00.00.0100.00.00.0100.00.0

us-gaap:ProceedsFromLegalSettlements us-gaap:StatementGeographical, us-gaap:LitigationStatus, us-gaap:LossContingenciesByNatureOfContingency

us-gaap:ProceedsFromLegalSettlements

country:US, us-gaap:SettledLitigation, us-gaap:UnfavorableRegulatoryAction


Proceeds
Period End2021-06-30
Value66
Percentage of ProceedsFromLegalSettlements100.0

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ProvisionForDoubtfulAccounts


Provision
Period End2020-12-312020-09-302019-12-312019-09-30
Value240000.01796000.02173000.0-103000.0
Percentage of ProvisionForDoubtfulAccounts100.0100.0100.0100.0

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent


Reclassification
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-03-31
Value-1224000.0-1228000.0-2272000.0-2654000.0-2398000.00
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent100.0100.0100.0100.0100.00.0

us-gaap:ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-03-31
Value-1224000.0-1228000.0-2272000.0-2654000.0-2398000.00
Percentage of ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent100.0100.0100.0100.0100.00.0

us-gaap:ReclassificationFromAociCurrentPeriodTax

us-gaap:ReclassificationFromAociCurrentPeriodTax


Reclassification
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-03-31
Value-398000.0-394000.0-919000.0-904000.0-776000.00
Percentage of ReclassificationFromAociCurrentPeriodTax100.0100.0100.0100.0100.00.0

us-gaap:ReclassificationFromAociCurrentPeriodTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Reclassification
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-03-31
Value-398000.0-394000.0-919000.0-904000.0-776000.00
Percentage of ReclassificationFromAociCurrentPeriodTax100.0100.0100.0100.0100.00.0

us-gaap:RelatedPartyTransactionPurchasesFromRelatedParty us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RelatedPartyTransactionPurchasesFromRelatedParty

srt:AffiliatedEntity


Related
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1917102124192322
Percentage of RelatedPartyTransactionPurchasesFromRelatedParty100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringCharges

us-gaap:RestructuringCharges


Restructuring
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.72-0.3220.00.0
Percentage of RestructuringCharges100.0100.00.00.0

us-gaap:RestructuringCharges us-gaap:RestructuringCostAndReserve

oec:GroundRemediationCostsRelatedToRestructuring


Restructuring
Period End2021-06-302020-06-302020-03-31
Value1.0430.00.0
Percentage of RestructuringCharges144.90.00.0

us-gaap:EmployeeSeverance


Restructuring
Period End2021-06-302021-03-312020-06-302020-03-31
Value-0.323-0.3220.00.0
Percentage of RestructuringCharges-44.9100.00.00.0

us-gaap:RestructuringReserveTranslationAdjustment

us-gaap:RestructuringReserveTranslationAdjustment


Restructuring
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value-93000.0352000.0-116000.0-59000.0113000.0
Percentage of RestructuringReserveTranslationAdjustment100.0100.0100.0100.0100.0

us-gaap:RestructuringReserveTranslationAdjustment us-gaap:RestructuringCostAndReserve

oec:GroundRemediationCostsRelatedToRestructuring


Restructuring
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value-41000.0189000.0-3000.0-2000.014000.0
Percentage of RestructuringReserveTranslationAdjustment44.153.72.63.412.4

us-gaap:EmployeeSeverance


Restructuring
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value-46000.0153000.0-107000.0-53000.081000.0
Percentage of RestructuringReserveTranslationAdjustment49.543.592.289.871.7

us-gaap:FacilityClosing


Restructuring
Period End2021-06-302021-03-312020-09-302020-06-302020-03-31
Value-6000.010000.0-3000.0-2000.011000.0
Percentage of RestructuringReserveTranslationAdjustment6.52.82.63.49.7

us-gaap:OtherRestructuring


Restructuring
Period End2020-09-302020-06-302020-03-31
Value-2000.0-1000.06000.0
Percentage of RestructuringReserveTranslationAdjustment1.71.75.3

us-gaap:RevenueFromRelatedParties us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:RevenueFromRelatedParties

srt:AffiliatedEntity


Revenue
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value263000.01396000.0654000.0634000.0637000.0596000.0829000.0663000.0
Percentage of RevenueFromRelatedParties100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate

us-gaap:PerformanceShares, oec:TwoThousandEighteenPlan


Share
Period End2020-09-302020-06-302020-03-31
Value1.920600.0194
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate100.00.0100.0

us-gaap:PerformanceShares, oec:TwoThousandNineteenPlan


Share
Period End2020-09-302020-06-302020-03-31
Value4.603500.0465
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate239.70.0239.7

us-gaap:PerformanceShares, oec:TwoThousandSeventeenPlan


Share
Period End2020-09-302020-06-302020-03-31
Value1.861200.0188
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate96.90.096.9

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate us-gaap:AwardType, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:PerformanceShares, oec:TwoThousandEighteenPlan


Share
Period End2020-12-312020-09-302020-06-302020-03-31
Value01.445400.0146
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.0100.00.0100.0

us-gaap:PerformanceShares, oec:TwoThousandNineteenPlan


Share
Period End2020-12-312020-09-302020-06-302020-03-31
Value01.811700.0183
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.0125.30.0125.3

us-gaap:PerformanceShares, oec:TwoThousandSeventeenPlan


Share
Period End2020-09-302020-06-302020-03-31
Value1.435500.0145
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate99.30.099.3

us-gaap:PerformanceShares, oec:TwoThousandTwentyPlan


Share
Period End2020-12-31
Value0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:GranteeStatus, us-gaap:PlanName

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:RestrictedStockUnitsRSU, oec:ShareBasedPaymentArrangementEmployeeExistingEmployees, oec:TwoThousandNineteenPlan


Share
Period End2020-12-312020-09-302020-06-302020-03-31
Value00014.74
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.00.00.0100.0

us-gaap:RestrictedStockUnitsRSU, oec:ShareBasedPaymentArrangementEmployeeExistingEmployees, oec:TwoThousandTwentyPlan


Share
Period End2020-12-31
Value0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0

us-gaap:RestrictedStockUnitsRSU, oec:ShareBasedPaymentArrangementEmployeeNewHireSignOn, oec:TwoThousandEighteenPlan


Share
Period End2020-12-312020-09-302020-06-302020-03-31
Value00025.81
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.00.00.0175.1

us-gaap:RestrictedStockUnitsRSU, oec:ShareBasedPaymentArrangementEmployeeNewHireSignOn, oec:TwoThousandNineteenPlan


Share
Period End2020-12-312020-09-302020-06-302020-03-31
Value00015.89
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.00.00.0107.8

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType, us-gaap:PlanName

us-gaap:PerformanceShares, oec:TwoThousandEighteenPlan


Share
Period End2020-12-312020-09-302020-06-302020-03-31
Value00039.24
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.00.00.0266.2

us-gaap:PerformanceShares, oec:TwoThousandNineteenPlan


Share
Period End2020-12-312020-09-302020-06-302020-03-31
Value00011.48
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.00.00.077.9

us-gaap:PerformanceShares, oec:TwoThousandSeventeenPlan


Share
Period End2020-12-312020-09-302020-06-302020-03-31
Value00024.89
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.00.00.0168.9

us-gaap:PerformanceShares, oec:TwoThousandTwentyPlan


Share
Period End2020-12-31
Value0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage us-gaap:AwardType, us-gaap:Vesting

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage

us-gaap:RestrictedStockUnitsRSU, us-gaap:ShareBasedCompensationAwardTrancheOne


Sharebased
Period End2020-12-312020-09-302020-06-302020-03-31
Value032.99700.3333
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage0.0100.00.0100.0

us-gaap:RestrictedStockUnitsRSU, us-gaap:ShareBasedCompensationAwardTrancheThree


Sharebased
Period End2020-12-312020-09-302020-06-302020-03-31
Value032.99700.3333
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage0.0100.00.0100.0

us-gaap:RestrictedStockUnitsRSU, us-gaap:ShareBasedCompensationAwardTrancheTwo


Sharebased
Period End2020-12-312020-09-302020-06-302020-03-31
Value032.99700.3333
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage0.0100.00.0100.0

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


Entity
Period End2021-08-03
Value60
Percentage of EntityCommonStockSharesOutstanding100.0

oec:AccruedLiabilitiesSalesAndProcurementCurrent

oec:AccruedLiabilitiesSalesAndProcurementCurrent


Accrued
Period End2020-12-312019-12-31
Value6968000.03274000.0
Percentage of AccruedLiabilitiesSalesAndProcurementCurrent100.0100.0

oec:AccumulatedDepreciationOperatingAndFinanceLeaseRightOfUseAsset

oec:AccumulatedDepreciationOperatingAndFinanceLeaseRightOfUseAsset


Accumulated
Period End2020-12-31
Value15
Percentage of AccumulatedDepreciationOperatingAndFinanceLeaseRightOfUseAsset100.0

oec:ContractWithCustomerLiabilityCustomerDepositsCurrent

oec:ContractWithCustomerLiabilityCustomerDepositsCurrent


Contract
Period End2020-12-312019-12-312018-12-31
Value922000.01018000.0421000.0
Percentage of ContractWithCustomerLiabilityCustomerDepositsCurrent100.0100.0100.0

oec:CorporateIncomeTaxLossCarryforwardAmount

oec:CorporateIncomeTaxLossCarryforwardAmount


Corporate
Period End2020-12-312019-12-312018-12-31
Value1474171
Percentage of CorporateIncomeTaxLossCarryforwardAmount100.0100.0100.0

oec:DebtInstrumentCovenantLeverageRatio us-gaap:Range, us-gaap:CreditFacility

oec:DebtInstrumentCovenantLeverageRatio

srt:Minimum, us-gaap:RevolvingCreditFacility


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-04-02
Value3.43.42.252.251.75
Percentage of DebtInstrumentCovenantLeverageRatio100.0100.0100.0100.0100.0

oec:DeferredTaxAssetNotRecognizedAmount

oec:DeferredTaxAssetNotRecognizedAmount


Deferred
Period End2020-12-312019-12-312018-12-31
Value196180174
Percentage of DeferredTaxAssetNotRecognizedAmount100.0100.0100.0

oec:DeferredTaxAssetNotRecognizedCorporateIncomeTaxLossCarryforwardsAmount

oec:DeferredTaxAssetNotRecognizedCorporateIncomeTaxLossCarryforwardsAmount


Deferred
Period End2020-12-312019-12-312018-12-31
Value115107105
Percentage of DeferredTaxAssetNotRecognizedCorporateIncomeTaxLossCarryforwardsAmount100.0100.0100.0

oec:DeferredTaxAssetNotRecognizedDeductibleTemporaryDifferences

oec:DeferredTaxAssetNotRecognizedDeductibleTemporaryDifferences


Deferred
Period End2020-12-312019-12-312018-12-31
Value464140
Percentage of DeferredTaxAssetNotRecognizedDeductibleTemporaryDifferences100.0100.0100.0

oec:DeferredTaxAssetNotRecognizedDeductibleTemporaryDifferencesDueToSubsidiaries

oec:DeferredTaxAssetNotRecognizedDeductibleTemporaryDifferencesDueToSubsidiaries


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value12141117
Percentage of DeferredTaxAssetNotRecognizedDeductibleTemporaryDifferencesDueToSubsidiaries100.0100.0100.0100.0

oec:DeferredTaxAssetNotRecognizedInterestLossCarryforwardsAmount

oec:DeferredTaxAssetNotRecognizedInterestLossCarryforwardsAmount


Deferred
Period End2020-12-312019-12-312018-12-31
Value353128
Percentage of DeferredTaxAssetNotRecognizedInterestLossCarryforwardsAmount100.0100.0100.0

oec:DeferredTaxAssetsFinancialAssets

oec:DeferredTaxAssetsFinancialAssets


Deferred
Period End2020-12-312019-12-312018-12-31
Value117.0047.044
Percentage of DeferredTaxAssetsFinancialAssets100.0100.0100.0

oec:DeferredTaxAssetsReceivables

oec:DeferredTaxAssetsReceivables


Deferred
Period End2020-12-312019-12-312018-12-31
Value3365000.03212000.01207000.0
Percentage of DeferredTaxAssetsReceivables100.0100.0100.0

oec:DeferredTaxLiabilitiesDeferredExpenseAccruedLiabilities

oec:DeferredTaxLiabilitiesDeferredExpenseAccruedLiabilities


Deferred
Period End2020-12-312019-12-312018-12-31
Value5.947123.953
Percentage of DeferredTaxLiabilitiesDeferredExpenseAccruedLiabilities100.0100.0100.0

oec:DeferredTaxLiabilitiesDeferredExpenseProvisions

oec:DeferredTaxLiabilitiesDeferredExpenseProvisions


Deferred
Period End2020-12-312019-12-312018-12-31
Value7882000.08203000.06441000.0
Percentage of DeferredTaxLiabilitiesDeferredExpenseProvisions100.0100.0100.0

oec:DeferredTaxLiabilitiesReceivables

oec:DeferredTaxLiabilitiesReceivables


Deferred
Period End2020-12-312019-12-312018-12-31
Value121112
Percentage of DeferredTaxLiabilitiesReceivables100.0100.0100.0

oec:DeferredTaxLiabilitySubsidiariesForWhichDividendDistributionIsExpected

oec:DeferredTaxLiabilitySubsidiariesForWhichDividendDistributionIsExpected


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value800000.01700000.01800000.02200000.0
Percentage of DeferredTaxLiabilitySubsidiariesForWhichDividendDistributionIsExpected100.0100.0100.0100.0

oec:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationFuturePensionIncrease

oec:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationFuturePensionIncrease


Defined
Period End2020-12-312019-12-312018-12-31
Value1.50.0150.015
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationFuturePensionIncrease100.0100.0100.0

oec:DefinedBenefitPlanEffectOfPointFivePercentageDecreaseInDiscountRateOnProjectedBenefitObligation

oec:DefinedBenefitPlanEffectOfPointFivePercentageDecreaseInDiscountRateOnProjectedBenefitObligation


Defined
Period End2020-12-31
Value8779000.0
Percentage of DefinedBenefitPlanEffectOfPointFivePercentageDecreaseInDiscountRateOnProjectedBenefitObligation100.0

oec:DefinedBenefitPlanEffectOfPointFivePercentageDecreaseInFuturePensionOnProjectedBenefitObligation

oec:DefinedBenefitPlanEffectOfPointFivePercentageDecreaseInFuturePensionOnProjectedBenefitObligation


Defined
Period End2020-12-31
Value-11527000.0
Percentage of DefinedBenefitPlanEffectOfPointFivePercentageDecreaseInFuturePensionOnProjectedBenefitObligation100.0

oec:DefinedBenefitPlanEffectOfPointFivePercentageIncreaseInDiscountRateOnProjectedBenefitObligation

oec:DefinedBenefitPlanEffectOfPointFivePercentageIncreaseInDiscountRateOnProjectedBenefitObligation


Defined
Period End2020-12-31
Value-7612000.0
Percentage of DefinedBenefitPlanEffectOfPointFivePercentageIncreaseInDiscountRateOnProjectedBenefitObligation100.0

oec:DefinedBenefitPlanEffectOfPointFivePercentageIncreaseInFuturePensionOnProjectedBenefitObligation

oec:DefinedBenefitPlanEffectOfPointFivePercentageIncreaseInFuturePensionOnProjectedBenefitObligation


Defined
Period End2020-12-31
Value12
Percentage of DefinedBenefitPlanEffectOfPointFivePercentageIncreaseInFuturePensionOnProjectedBenefitObligation100.0

oec:DerivativeTerminatedAmount us-gaap:DerivativeInstrumentRisk, us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

oec:DerivativeTerminatedAmount

us-gaap:CrossCurrencyInterestRateContract, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2020-12-31
Value38
Percentage of DerivativeTerminatedAmount100.0

us-gaap:Swap, us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2020-12-31
Value30
Percentage of DerivativeTerminatedAmount78.9

oec:EmissionsCertificatesRepurchaseObligationAmount us-gaap:StatementScenario

oec:EmissionsCertificatesRepurchaseObligationAmount

srt:ScenarioForecast


Emissions
Period End2021-12-22
Value10
Percentage of EmissionsCertificatesRepurchaseObligationAmount100.0

oec:EmployeeRelatedLiabilitiesNoncurrent

oec:EmployeeRelatedLiabilitiesNoncurrent


Employee
Period End2020-12-312019-12-31
Value5855000.05740000.0
Percentage of EmployeeRelatedLiabilitiesNoncurrent100.0100.0

oec:EnvironmentalTaxLiabilitiesCurrent

oec:EnvironmentalTaxLiabilitiesCurrent


Environmental
Period End2020-12-312019-12-312018-12-31
Value385000.04824000.02214000.0
Percentage of EnvironmentalTaxLiabilitiesCurrent100.0100.0100.0

oec:GuaranteeDeposits

oec:GuaranteeDeposits


Guarantee
Period End2020-12-312019-12-312018-12-31
Value1400000.01400000.01700000.0
Percentage of GuaranteeDeposits100.0100.0100.0

oec:GuaranteeObligationsCarryingAmount

oec:GuaranteeObligationsCarryingAmount


Guarantee
Period End2021-06-302021-03-312020-12-312020-09-30
Value16181715
Percentage of GuaranteeObligationsCarryingAmount100.0100.0100.0100.0

oec:InterestCarryforwardAmount

oec:InterestCarryforwardAmount


Interest
Period End2020-12-312019-12-312018-12-31
Value353128
Percentage of InterestCarryforwardAmount100.0100.0100.0

oec:LesseeOperatingAndFinanceLeasesLiabilityUndiscountedExcessAmount

oec:LesseeOperatingAndFinanceLeasesLiabilityUndiscountedExcessAmount


Lessee
Period End2020-12-312020-09-30
Value408.13
Percentage of LesseeOperatingAndFinanceLeasesLiabilityUndiscountedExcessAmount100.0100.0

oec:LongTermDebtExcludingCurrentMaturitiesGross us-gaap:CreditFacility, us-gaap:DebtInstrument

oec:LongTermDebtExcludingCurrentMaturitiesGross

oec:TermLoan, oec:TermLoanFacility


Long
Period End2020-12-312019-12-31
Value659634
Percentage of LongTermDebtExcludingCurrentMaturitiesGross100.0100.0

oec:LongTermDebtGrossCurrent us-gaap:CreditFacility, us-gaap:DebtInstrument

oec:LongTermDebtGrossCurrent

oec:TermLoan, oec:TermLoanFacility


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value8319000.08261000.08479000.08254000.08048000.07952000.08057000.08149000.0
Percentage of LongTermDebtGrossCurrent100.0100.0100.0100.0100.0100.0100.0100.0

oec:LongTermDebtMaturitiesRepaymentsOfInterestInNextTwelveMonths us-gaap:DebtInstrument

oec:LongTermDebtMaturitiesRepaymentsOfInterestInNextTwelveMonths

oec:TermLoanFacility


Long
Period End2020-12-31
Value15
Percentage of LongTermDebtMaturitiesRepaymentsOfInterestInNextTwelveMonths100.0

oec:LongTermDebtMaturitiesRepaymentsOfInterestInYearFour us-gaap:DebtInstrument

oec:LongTermDebtMaturitiesRepaymentsOfInterestInYearFour

oec:TermLoanFacility


Long
Period End2020-12-31
Value8900000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfInterestInYearFour100.0

oec:LongTermDebtMaturitiesRepaymentsOfInterestInYearThree us-gaap:DebtInstrument

oec:LongTermDebtMaturitiesRepaymentsOfInterestInYearThree

oec:TermLoanFacility


Long
Period End2020-12-31
Value15
Percentage of LongTermDebtMaturitiesRepaymentsOfInterestInYearThree100.0

oec:LongTermDebtMaturitiesRepaymentsOfInterestInYearTwo us-gaap:DebtInstrument

oec:LongTermDebtMaturitiesRepaymentsOfInterestInYearTwo

oec:TermLoanFacility


Long
Period End2020-12-31
Value14
Percentage of LongTermDebtMaturitiesRepaymentsOfInterestInYearTwo100.0

oec:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterest us-gaap:DebtInstrument

oec:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterest

oec:TermLoanFacility


Long
Period End2020-12-31
Value721
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterest100.0

oec:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInNextTwelveMonths us-gaap:DebtInstrument

oec:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInNextTwelveMonths

oec:TermLoanFacility


Long
Period End2020-12-31
Value23
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInNextTwelveMonths100.0

oec:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearFour us-gaap:DebtInstrument

oec:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearFour

oec:TermLoanFacility


Long
Period End2020-12-31
Value651
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearFour100.0

oec:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearThree us-gaap:DebtInstrument

oec:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearThree

oec:TermLoanFacility


Long
Period End2020-12-31
Value23
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearThree100.0

oec:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearTwo us-gaap:DebtInstrument

oec:LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearTwo

oec:TermLoanFacility


Long
Period End2020-12-31
Value23
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalAndInterestInYearTwo100.0

oec:LongtermDebtExcludingCurrentMaturitiesGross us-gaap:CreditFacility, us-gaap:DebtInstrument

oec:LongtermDebtExcludingCurrentMaturitiesGross

oec:TermLoan, oec:TermLoanFacility


Longterm
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value643640659643629624634650
Percentage of LongtermDebtExcludingCurrentMaturitiesGross100.0100.0100.0100.0100.0100.0100.0100.0

oec:NetOperatingLossCarryforward

oec:NetOperatingLossCarryforward


Net
Period End2020-12-312019-12-31
Value147107
Percentage of NetOperatingLossCarryforward100.0100.0

oec:NetOperatingLossCarryforward us-gaap:TaxPeriod

oec:Indefinite


Net
Period End2020-12-312019-12-31
Value10175
Percentage of NetOperatingLossCarryforward69.170.9

oec:TaxYearsAfter2025


Net
Period End2020-12-312019-12-31
Value4531
Percentage of NetOperatingLossCarryforward30.929.1

oec:OperatingAndFinanceLeaseLiability

oec:OperatingAndFinanceLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-30
Value94948684
Percentage of OperatingAndFinanceLeaseLiability100.0100.0100.0100.0

oec:OperatingAndFinanceLeaseRightOfUseAsset

oec:OperatingAndFinanceLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-31
Value929285
Percentage of OperatingAndFinanceLeaseRightOfUseAsset100.0100.0100.0

oec:OperatingAndFinanceLeaseRightOfUseAssetGross

oec:OperatingAndFinanceLeaseRightOfUseAssetGross


Operating
Period End2020-12-31
Value101
Percentage of OperatingAndFinanceLeaseRightOfUseAssetGross100.0

oec:OperatingAndFinanceLeasesFutureMinimumPaymentsDue

oec:OperatingAndFinanceLeasesFutureMinimumPaymentsDue


Operating
Period End2020-12-312020-09-30
Value12692
Percentage of OperatingAndFinanceLeasesFutureMinimumPaymentsDue100.0100.0

oec:OperatingAndFinanceLeasesFutureMinimumPaymentsDueInFiveYears

oec:OperatingAndFinanceLeasesFutureMinimumPaymentsDueInFiveYears


Operating
Period End2020-12-312020-09-30
Value7212000.08989000.0
Percentage of OperatingAndFinanceLeasesFutureMinimumPaymentsDueInFiveYears100.0100.0

oec:OperatingAndFinanceLeasesFutureMinimumPaymentsDueInFourYears

oec:OperatingAndFinanceLeasesFutureMinimumPaymentsDueInFourYears


Operating
Period End2020-12-312020-09-30
Value8330000.09529000.0
Percentage of OperatingAndFinanceLeasesFutureMinimumPaymentsDueInFourYears100.0100.0

oec:OperatingAndFinanceLeasesFutureMinimumPaymentsDueInThreeYears

oec:OperatingAndFinanceLeasesFutureMinimumPaymentsDueInThreeYears


Operating
Period End2020-12-312020-09-30
Value9.97610
Percentage of OperatingAndFinanceLeasesFutureMinimumPaymentsDueInThreeYears100.0100.0

oec:OperatingAndFinanceLeasesFutureMinimumPaymentsDueInTwoYears

oec:OperatingAndFinanceLeasesFutureMinimumPaymentsDueInTwoYears


Operating
Period End2020-12-312020-09-30
Value1010
Percentage of OperatingAndFinanceLeasesFutureMinimumPaymentsDueInTwoYears100.0100.0

oec:OperatingAndFinanceLeasesFutureMinimumPaymentsDueNextTwelveMonths

oec:OperatingAndFinanceLeasesFutureMinimumPaymentsDueNextTwelveMonths


Operating
Period End2020-12-312020-09-30
Value1211
Percentage of OperatingAndFinanceLeasesFutureMinimumPaymentsDueNextTwelveMonths100.0100.0

oec:OperatingAndFinanceLeasesFutureMinimumPaymentsDueThereafter

oec:OperatingAndFinanceLeasesFutureMinimumPaymentsDueThereafter


Operating
Period End2020-12-312020-09-30
Value7840
Percentage of OperatingAndFinanceLeasesFutureMinimumPaymentsDueThereafter100.0100.0

oec:OtherFinancialAssetsCurrent

oec:OtherFinancialAssetsCurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value3.0672.9783.633.29.434191112
Percentage of OtherFinancialAssetsCurrent100.0100.0100.0100.0100.0100.0100.0100.0

oec:OtherFinancialAssetsNoncurrent

oec:OtherFinancialAssetsNoncurrent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value741000.0699000.0761000.0706000.0715000.0692000.02501000.02723000.0
Percentage of OtherFinancialAssetsNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0

oec:OtherReceivablesAdvancePayments

oec:OtherReceivablesAdvancePayments


Other
Period End2020-12-312019-12-312018-12-31
Value2900000.01200000.05300000.0
Percentage of OtherReceivablesAdvancePayments100.0100.0100.0

oec:OtherReceivablesDownPayments

oec:OtherReceivablesDownPayments


Other
Period End2020-12-312019-12-312018-12-31
Value2300000.03100000.04300000.0
Percentage of OtherReceivablesDownPayments100.0100.0100.0

oec:OtherReceivablesNetNoncurrent

oec:OtherReceivablesNetNoncurrent


Other
Period End2020-12-312019-12-312018-12-31
Value339000.0342000.0302000.0
Percentage of OtherReceivablesNetNoncurrent100.0100.0100.0

oec:OtherTaxReceivable

oec:OtherTaxReceivable


Other
Period End2020-12-312019-12-312018-12-31
Value900000.03200000.05900000.0
Percentage of OtherTaxReceivable100.0100.0100.0

oec:OutstandingInvoicesLiabilitiesCurrent

oec:OutstandingInvoicesLiabilitiesCurrent


Outstanding
Period End2020-12-312019-12-312018-12-31
Value7112000.05902000.08637000.0
Percentage of OutstandingInvoicesLiabilitiesCurrent100.0100.0100.0

oec:PropertyTaxLiabilityCurrent

oec:PropertyTaxLiabilityCurrent


Property
Period End2020-12-31
Value785000.0
Percentage of PropertyTaxLiabilityCurrent100.0

oec:PurchaseObligationDueInSecondThroughFifthYear

oec:PurchaseObligationDueInSecondThroughFifthYear


Purchase
Period End2020-12-312020-09-30
Value7777
Percentage of PurchaseObligationDueInSecondThroughFifthYear100.0100.0

oec:SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedToVestNumber us-gaap:AwardType

oec:SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedToVestNumber

us-gaap:PerformanceShares


Sharebased
Period End2020-12-312020-06-302020-03-312019-12-312018-12-312017-12-31
Value304980.0279960.0515350.0917260.01556000.01433400.0
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedToVestNumber100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Sharebased
Period End2020-12-312020-06-302020-03-312019-12-312018-12-312017-12-31
Value365730.0194180.0195690.0197580.035817.00
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedToVestNumber119.969.438.021.52.30.0

oec:SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedToVestNumber us-gaap:AwardType, us-gaap:GranteeStatus, us-gaap:PlanName

us-gaap:RestrictedStockUnitsRSU, oec:ShareBasedPaymentArrangementEmployeeExistingEmployees, oec:TwoThousandNineteenPlan


Sharebased
Period End2020-12-312020-06-302020-03-312019-12-31
Value121770.0125040.0126550.0128450.0
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedToVestNumber39.944.724.614.0

us-gaap:RestrictedStockUnitsRSU, oec:ShareBasedPaymentArrangementEmployeeExistingEmployees, oec:TwoThousandTwentyPlan


Sharebased
Period End2020-12-31
Value155820.0
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedToVestNumber51.1

us-gaap:RestrictedStockUnitsRSU, oec:ShareBasedPaymentArrangementEmployeeNewHireSignOn, oec:TwoThousandTwentyPlan


Sharebased
Period End2020-12-31
Value19000.0
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedToVestNumber6.2

oec:SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedToVestNumber us-gaap:AwardType, us-gaap:PlanName

us-gaap:PerformanceShares, oec:TwoThousandNineteenPlan


Sharebased
Period End2020-12-312020-06-302020-03-312019-12-31
Value102220.0108060.0215930.0215930.0
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedToVestNumber33.538.641.923.5

us-gaap:PerformanceShares, oec:TwoThousandTwentyPlan


Sharebased
Period End2020-12-31
Value202770.0
Percentage of SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsExpectedToVestNumber66.5

oec:ValueAddedTaxLiabilitiesCurrent

oec:ValueAddedTaxLiabilitiesCurrent


Value
Period End2020-12-312019-12-312018-12-31
Value675000.0555000.01915000.0
Percentage of ValueAddedTaxLiabilitiesCurrent100.0100.0100.0

oec:WithholdingTaxLiabilitiesCurrent

oec:WithholdingTaxLiabilitiesCurrent


Withholding
Period End2020-12-312019-12-312018-12-31
Value155000.01417000.01941000.0
Percentage of WithholdingTaxLiabilitiesCurrent100.0100.0100.0

us-gaap:AccountsReceivableGrossCurrent

us-gaap:AccountsReceivableGrossCurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value305263240223151219
Percentage of AccountsReceivableGrossCurrent100.0100.0100.0100.0100.0100.0

us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent

us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent


Accrued
Period End2020-12-312019-12-312018-12-31
Value1250000.01240000.01353000.0
Percentage of AccruedEnvironmentalLossContingenciesNoncurrent100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value2585000.05676000.05794000.07955000.06379000.07454000.06632000.05348000.05594000.05081000.0
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetRetirementObligation

us-gaap:AssetRetirementObligation


Asset
Period End2020-12-312019-12-312018-12-31
Value1700000.02900000.02400000.0
Percentage of AssetRetirementObligation100.0100.0100.0

us-gaap:AssetRetirementObligationsNoncurrent

us-gaap:AssetRetirementObligationsNoncurrent


Asset
Period End2020-12-312019-12-312018-12-31
Value1666000.02938000.02414000.0
Percentage of AssetRetirementObligationsNoncurrent100.0100.0100.0

us-gaap:DebtInstrumentCarryingAmount us-gaap:DebtInstrument

us-gaap:DebtInstrumentCarryingAmount

oec:TermLoanFacility


Debt
Period End2020-12-31
Value668
Percentage of DebtInstrumentCarryingAmount100.0

us-gaap:DebtInstrumentFairValue us-gaap:CreditFacility, us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DebtInstrumentFairValue

oec:CreditFacilityTermLoan, us-gaap:FairValueInputsLevel2


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value647648667652637632643658
Percentage of DebtInstrumentFairValue100.0100.0100.0100.0100.0100.0100.0100.0

oec:LocalBankLoan, us-gaap:FairValueInputsLevel2


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value63101751161301382928
Percentage of DebtInstrumentFairValue9.815.611.317.920.421.94.64.3

us-gaap:DebtIssuanceCostsLineOfCreditArrangementsNet

us-gaap:DebtIssuanceCostsLineOfCreditArrangementsNet


Debt
Period End2020-12-312019-12-312018-12-31
Value2300000.02800000.01800000.0
Percentage of DebtIssuanceCostsLineOfCreditArrangementsNet100.0100.0100.0

us-gaap:DebtIssuanceCostsLineOfCreditArrangementsNet us-gaap:CreditFacility

us-gaap:RevolvingCreditFacility


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-05-052014-07-25
Value3000000.03000000.03100000.03200000.03400000.02400000.02300000.03300000.0
Percentage of DebtIssuanceCostsLineOfCreditArrangementsNet130.40.00.00.0121.4133.30.00.0

us-gaap:DebtLongtermAndShorttermCombinedAmount

us-gaap:DebtLongtermAndShorttermCombinedAmount


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value710744738763762764666684
Percentage of DebtLongtermAndShorttermCombinedAmount100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtWeightedAverageInterestRate us-gaap:CreditFacility

us-gaap:DebtWeightedAverageInterestRate

us-gaap:RevolvingCreditFacility


Debt
Period End2020-12-312019-12-31
Value2.482.51
Percentage of DebtWeightedAverageInterestRate100.0100.0

us-gaap:DeferredCostsCurrentAndNoncurrent

us-gaap:DeferredCostsCurrentAndNoncurrent


Deferred
Period End2020-12-312019-12-312018-12-31
Value3000000.03400000.02400000.0
Percentage of DeferredCostsCurrentAndNoncurrent100.0100.0100.0

us-gaap:DeferredFinanceCostsCurrentNet us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:DeferredFinanceCostsCurrentNet

oec:TermLoan, oec:TermLoanFacility


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1434000.01424000.01500000.01441000.01387000.01366000.01409000.01472000.0
Percentage of DeferredFinanceCostsCurrentNet100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredFinanceCostsNet us-gaap:CreditFacility, us-gaap:DebtInstrument

us-gaap:DeferredFinanceCostsNet

oec:TermLoan, oec:TermLoanFacility


Deferred
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value5200000.05300000.05400000.05700000.06100000.07700000.0
Percentage of DeferredFinanceCostsNet100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxAssetsNet


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value6058526054564852
Percentage of DeferredIncomeTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-312018-12-31
Value809180
Percentage of DeferredIncomeTaxLiabilities100.0100.0100.0

us-gaap:DeferredTaxAssetInterestCarryforward

us-gaap:DeferredTaxAssetInterestCarryforward


Deferred
Period End2020-12-312019-12-312018-12-31
Value119.9679.041
Percentage of DeferredTaxAssetInterestCarryforward100.0100.0100.0

us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets

us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets


Deferred
Period End2020-12-312019-12-312018-12-31
Value241000.0197000.0842000.0
Percentage of DeferredTaxAssetsGoodwillAndIntangibleAssets100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-31
Value136138128
Percentage of DeferredTaxAssetsGross100.0100.0100.0

us-gaap:DeferredTaxAssetsInventory

us-gaap:DeferredTaxAssetsInventory


Deferred
Period End2020-12-312019-12-312018-12-31
Value3368000.02817000.04131000.0
Percentage of DeferredTaxAssetsInventory100.0100.0100.0

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-31
Value393943
Percentage of DeferredTaxAssetsOperatingLossCarryforwards100.0100.0100.0

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-31
Value5851000.08363000.08963000.0
Percentage of DeferredTaxAssetsPropertyPlantAndEquipment100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards

us-gaap:DeferredTaxAssetsTaxCreditCarryforwards


Deferred
Period End2020-12-312019-12-312018-12-31
Value4265000.03185000.01022000.0
Percentage of DeferredTaxAssetsTaxCreditCarryforwards100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities


Deferred
Period End2020-12-312019-12-312018-12-31
Value324131
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves


Deferred
Period End2020-12-312019-12-312018-12-31
Value242018
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets


Deferred
Period End2020-12-312019-12-312018-12-31
Value3.7173.67312
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesInterestsInFinancialAssetsContinuedToBeHeld

us-gaap:DeferredTaxLiabilitiesInterestsInFinancialAssetsContinuedToBeHeld


Deferred
Period End2020-12-312019-12-312018-12-31
Value3153000.07649000.06719000.0
Percentage of DeferredTaxLiabilitiesInterestsInFinancialAssetsContinuedToBeHeld100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-312018-12-31
Value10148.005
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment


Deferred
Period End2020-12-312019-12-312018-12-31
Value363330
Percentage of DeferredTaxLiabilitiesPropertyPlantAndEquipment100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax


Defined
Period End2020-12-312019-12-312018-12-31
Value4.92611-0.198
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeBeforeTax100.0100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax


Defined
Period End2020-12-312019-12-31
Value5300000.0-12300000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax100.0100.0

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax us-gaap:RetirementPlanType

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2020-12-312019-12-31
Value400000.0-300000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax7.52.4

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2020-12-312019-12-312018-12-31
Value-4900000.0-12000000.0198000.0
Percentage of DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax-92.597.60.0

us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet

us-gaap:DefinedBenefitPlanAmountsRecognizedInBalanceSheet


Defined
Period End2020-12-312019-12-312018-12-31
Value-84428000.0-72809000.0-61232000.0
Percentage of DefinedBenefitPlanAmountsRecognizedInBalanceSheet100.0100.0100.0

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate


Defined
Period End2020-12-312019-12-312018-12-31
Value0.60.010.019
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate100.0100.0100.0

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease


Defined
Period End2020-12-312019-12-312018-12-31
Value3.00.030.03
Percentage of DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease100.0100.0100.0

us-gaap:DefinedBenefitPlanBenefitObligation

us-gaap:DefinedBenefitPlanBenefitObligation


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value91796772
Percentage of DefinedBenefitPlanBenefitObligation100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanExpectedAmortizationNextFiscalYear us-gaap:StatementScenario

us-gaap:DefinedBenefitPlanExpectedAmortizationNextFiscalYear

srt:ScenarioForecast


Defined
Period End2021-12-31
Value4999000.0
Percentage of DefinedBenefitPlanExpectedAmortizationNextFiscalYear100.0

us-gaap:DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear us-gaap:StatementScenario

us-gaap:DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear

srt:ScenarioForecast


Defined
Period End2021-12-31
Value-4999000.0
Percentage of DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter


Defined
Period End2020-12-31
Value14
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths


Defined
Period End2020-12-31
Value1579000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive


Defined
Period End2020-12-31
Value2551000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour


Defined
Period End2020-12-31
Value2814000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree


Defined
Period End2020-12-31
Value2116000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree100.0

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo


Defined
Period End2020-12-31
Value1990000.0
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo100.0

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear

us-gaap:DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear


Defined
Period End2020-12-31
Value1700000.0
Percentage of DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear100.0

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets


Defined
Period End2020-12-312019-12-312018-12-312017-12-31
Value6831000.06580000.06391000.07474000.0
Percentage of DefinedBenefitPlanFairValueOfPlanAssets100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets us-gaap:DefinedBenefitPlanByPlanAssetCategories

oec:DefinedBenefitPlanOtherSecurities


Defined
Period End2020-12-312019-12-312018-12-31
Value6831000.06580000.06391000.0
Percentage of DefinedBenefitPlanFairValueOfPlanAssets100.0100.0100.0

us-gaap:DefinedBenefitPlanFundedStatusOfPlan

us-gaap:DefinedBenefitPlanFundedStatusOfPlan


Defined
Period End2020-12-312019-12-312018-12-31
Value-84428000.0-72809000.0-61232000.0
Percentage of DefinedBenefitPlanFundedStatusOfPlan100.0100.0100.0

us-gaap:DerivativeAssets us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DerivativeAssets

us-gaap:FairValueInputsLevel2


Derivative
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value0.0040.1950.0026.43168.4369.949
Percentage of DerivativeAssets100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssetsCurrent us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DerivativeAssetsCurrent

us-gaap:FairValueInputsLevel2


Derivative
Period End2021-03-312020-12-312020-06-302020-03-312019-12-312018-12-31
Value0.0040.1956.428168.4349.777
Percentage of DerivativeAssetsCurrent100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeAssetsNoncurrent us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DerivativeAssetsNoncurrent

us-gaap:FairValueInputsLevel2


Derivative
Period End2020-09-302020-06-302020-03-312019-12-312018-12-31
Value2000.02000.06000.01000.0172000.0
Percentage of DerivativeAssetsNoncurrent100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilities us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DerivativeLiabilities

us-gaap:FairValueInputsLevel2


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value14152316108.7239.4257.032
Percentage of DerivativeLiabilities100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilitiesCurrent us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DerivativeLiabilitiesCurrent

us-gaap:FairValueInputsLevel2


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value704000.02838000.0296000.024000.0342000.049000.0109000.02302000.0
Percentage of DerivativeLiabilitiesCurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeLiabilitiesNoncurrent us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:DerivativeLiabilitiesNoncurrent

us-gaap:FairValueInputsLevel2


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value13122216108.6759.3164.73
Percentage of DerivativeLiabilitiesNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DueFromRelatedParties us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:DueFromRelatedParties

srt:AffiliatedEntity


Due
Period End2020-09-302020-06-302020-03-312019-12-312018-12-31
Value510000.025000.0773000.0537000.0651000.0
Percentage of DueFromRelatedParties100.0100.0100.0100.0100.0

us-gaap:DueToRelatedPartiesCurrentAndNoncurrent us-gaap:RelatedPartyTransactionsByRelatedParty

us-gaap:DueToRelatedPartiesCurrentAndNoncurrent

srt:AffiliatedEntity


Due
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value119.1429.412131718
Percentage of DueToRelatedPartiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeRelatedLiabilitiesCurrent

us-gaap:EmployeeRelatedLiabilitiesCurrent


Employee
Period End2020-12-312019-12-312018-12-31
Value212428
Percentage of EmployeeRelatedLiabilitiesCurrent100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions


Employee
Period End2020-12-312020-09-30
Value5100000.07800000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions100.0100.0

us-gaap:EquityMethodInvestments

us-gaap:EquityMethodInvestments


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value5247000.05528000.05637000.05311000.04944000.05235000.05232000.05332000.0
Percentage of EquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2021-06-302021-03-312020-12-31
Value686860
Percentage of FinanceLeaseLiability100.0100.0100.0

us-gaap:FinanceLeaseLiabilityCurrent

us-gaap:FinanceLeaseLiabilityCurrent


Finance
Period End2021-06-302021-03-312020-12-312019-12-31
Value3.8073.019127.598
Percentage of FinanceLeaseLiabilityCurrent100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityNoncurrent

us-gaap:FinanceLeaseLiabilityNoncurrent


Finance
Period End2021-06-302021-03-312020-12-312019-12-31
Value64657421
Percentage of FinanceLeaseLiabilityNoncurrent100.0100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseRightOfUseAsset


Finance
Period End2021-06-302021-03-312020-12-31
Value686760
Percentage of FinanceLeaseRightOfUseAsset100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2020-12-312019-12-312018-12-31
Value188168157
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:FiniteLivedIntangibleAssetsByMajorClass

oec:DevelopedTechnologyandPatents


Finite
Period End2020-12-312019-12-312018-12-31
Value463734
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization24.522.221.8

us-gaap:ContractBasedIntangibleAssets


Finite
Period End2020-12-312019-12-312018-12-31
Value1.260.630.113
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization0.70.40.1

us-gaap:CustomerRelationships


Finite
Period End2020-12-312019-12-312018-12-31
Value756966
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization40.241.342.0

us-gaap:OtherIntangibleAssets


Finite
Period End2020-12-312019-12-312018-12-31
Value524947
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization27.629.729.9

us-gaap:Trademarks


Finite
Period End2020-12-312019-12-312018-12-31
Value13109.782
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization7.06.46.2

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive


Finite
Period End2020-12-31
Value11
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths


Finite
Period End2020-12-31
Value7899000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive


Finite
Period End2020-12-31
Value6748000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFive100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour


Finite
Period End2020-12-31
Value6812000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearFour100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree


Finite
Period End2020-12-31
Value6882000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearThree100.0

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo


Finite
Period End2020-12-31
Value7251000.0
Percentage of FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo100.0

us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:FiniteLivedIntangibleAssetsGross


Finite
Period End2020-12-312019-12-312018-12-31
Value235218252
Percentage of FiniteLivedIntangibleAssetsGross100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsGross us-gaap:FiniteLivedIntangibleAssetsByMajorClass

oec:DevelopedTechnologyandPatents


Finite
Period End2020-12-312019-12-312018-12-31
Value696282
Percentage of FiniteLivedIntangibleAssetsGross29.528.732.4

us-gaap:ContractBasedIntangibleAssets


Finite
Period End2020-12-312019-12-312018-12-31
Value8.1567.4322
Percentage of FiniteLivedIntangibleAssetsGross3.53.48.9

us-gaap:CustomerRelationships


Finite
Period End2020-12-312019-12-312018-12-31
Value837678
Percentage of FiniteLivedIntangibleAssetsGross35.335.030.9

us-gaap:OtherIntangibleAssets


Finite
Period End2020-12-312019-12-312018-12-31
Value535250
Percentage of FiniteLivedIntangibleAssetsGross22.924.120.0

us-gaap:Trademarks


Finite
Period End2020-12-312019-12-312018-12-31
Value211919
Percentage of FiniteLivedIntangibleAssetsGross9.08.87.8

us-gaap:IncomeTaxesReceivable

us-gaap:IncomeTaxesReceivable


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value12111110117.8191724
Percentage of IncomeTaxesReceivable100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestPayableCurrentAndNoncurrent

us-gaap:InterestPayableCurrentAndNoncurrent


Interest
Period End2021-06-302021-03-31
Value1211
Percentage of InterestPayableCurrentAndNoncurrent100.0100.0

us-gaap:InterestPayableCurrentAndNoncurrent us-gaap:DebtInstrument

oec:TermLoanFacility


Interest
Period End2020-12-31
Value53
Percentage of InterestPayableCurrentAndNoncurrent0.0

us-gaap:InventoryFinishedGoodsNetOfReserves

us-gaap:InventoryFinishedGoodsNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value111948468729195108
Percentage of InventoryFinishedGoodsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryRawMaterialsNetOfReserves

us-gaap:InventoryRawMaterialsNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value7462575662766973
Percentage of InventoryRawMaterialsNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InventoryValuationReserves

us-gaap:InventoryValuationReserves


Inventory
Period End2020-12-312020-03-312019-12-312019-03-312018-12-31
Value1210.06.76.71.6
Percentage of InventoryValuationReserves100.0100.0100.0100.0100.0

us-gaap:InventoryWorkInProcessNetOfReserves

us-gaap:InventoryWorkInProcessNetOfReserves


Inventory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value94000.0184000.0322000.0201000.0115000.035000.0148000.01246000.0
Percentage of InventoryWorkInProcessNetOfReserves100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCredit us-gaap:CreditFacility

us-gaap:LineOfCredit

oec:AncillaryFacilities


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value448370744428
Percentage of LineOfCredit100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:CounterpartyName, us-gaap:CreditFacility

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

oec:AncillaryFacilities, us-gaap:RevolvingCreditFacility


Line
Period End2021-06-302021-03-31
Value202199
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0100.0

oec:RCFBankGroup, us-gaap:RevolvingCreditFacility


Line
Period End2021-06-302021-03-312020-09-302020-06-30
Value9594293250
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity47.047.20.00.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:CreditFacility

us-gaap:RevolvingCreditFacility


Line
Period End2021-06-302021-03-312019-12-312019-04-022019-04-012017-05-052014-07-25
Value29729317525075175115
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity147.0147.20.00.00.00.00.0

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity us-gaap:CreditFacility

us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity

oec:AncillaryFacilities


Line
Period End2021-06-302021-03-312020-12-31
Value252210236
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0100.0100.0

us-gaap:RevolvingCreditFacility


Line
Period End2020-12-31
Value236
Percentage of LineOfCreditFacilityRemainingBorrowingCapacity100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths us-gaap:DebtInstrument

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths

oec:TermLoanFacility


Long
Period End2020-12-31
Value8500000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour us-gaap:DebtInstrument

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour

oec:TermLoanFacility


Long
Period End2020-12-31
Value642
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree us-gaap:DebtInstrument

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree

oec:TermLoanFacility


Long
Period End2020-12-31
Value8500000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree100.0

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo us-gaap:DebtInstrument

us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo

oec:TermLoanFacility


Long
Period End2020-12-31
Value8500000.0
Percentage of LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo100.0

us-gaap:LossContingencyEstimateOfPossibleLoss us-gaap:Range, us-gaap:StatementGeographical, us-gaap:LitigationStatus, us-gaap:LossContingenciesByNatureOfContingency

us-gaap:LossContingencyEstimateOfPossibleLoss

srt:Maximum, country:US, us-gaap:SettledLitigation, us-gaap:UnfavorableRegulatoryAction


Loss
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value290270270270270270
Percentage of LossContingencyEstimateOfPossibleLoss100.0100.0100.0100.0100.0100.0

srt:Minimum, country:US, us-gaap:SettledLitigation, us-gaap:UnfavorableRegulatoryAction


Loss
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value270230230230230230
Percentage of LossContingencyEstimateOfPossibleLoss93.185.285.285.285.285.2

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2020-12-312020-09-30
Value4.015.7
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0

us-gaap:OperatingLossCarryforwards

us-gaap:OperatingLossCarryforwards


Operating
Period End2020-12-312019-12-312018-12-31
Value18272100
Percentage of OperatingLossCarryforwards100.0100.0100.0

us-gaap:OtherEmployeeRelatedLiabilitiesCurrent

us-gaap:OtherEmployeeRelatedLiabilitiesCurrent


Other
Period End2020-12-312019-12-312018-12-31
Value6581000.04787000.03037000.0
Percentage of OtherEmployeeRelatedLiabilitiesCurrent100.0100.0100.0

us-gaap:OtherReceivables

us-gaap:OtherReceivables


Other
Period End2020-12-312019-12-312018-12-31
Value423634
Percentage of OtherReceivables100.0100.0100.0

us-gaap:OtherReceivablesNetCurrent

us-gaap:OtherReceivablesNetCurrent


Other
Period End2020-12-312019-12-312018-12-31
Value413633
Percentage of OtherReceivablesNetCurrent100.0100.0100.0

us-gaap:OtherSundryLiabilitiesCurrent

us-gaap:OtherSundryLiabilitiesCurrent


Other
Period End2020-12-312019-12-312018-12-31
Value7.9836.40712
Percentage of OtherSundryLiabilitiesCurrent100.0100.0100.0

us-gaap:OtherSundryLiabilitiesNoncurrent

us-gaap:OtherSundryLiabilitiesNoncurrent


Other
Period End2020-12-312019-12-312018-12-31
Value229.324.729
Percentage of OtherSundryLiabilitiesNoncurrent100.0100.0100.0

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities


Pension
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value1083000.0948000.01118000.0947000.0905000.0886000.0908000.0855000.0
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PrepaidExpenseAndOtherAssets

us-gaap:PrepaidExpenseAndOtherAssets


Prepaid
Period End2020-12-312019-12-312018-12-31
Value474137
Percentage of PrepaidExpenseAndOtherAssets100.0100.0100.0

us-gaap:PrepaidExpenseAndOtherAssetsNoncurrent

us-gaap:PrepaidExpenseAndOtherAssetsNoncurrent


Prepaid
Period End2020-12-312019-12-312018-12-31
Value2956000.03701000.02928000.0
Percentage of PrepaidExpenseAndOtherAssetsNoncurrent100.0100.0100.0

us-gaap:PrepaidExpenseCurrent

us-gaap:PrepaidExpenseCurrent


Prepaid
Period End2020-12-312019-12-312018-12-31
Value2674000.01170000.01188000.0
Percentage of PrepaidExpenseCurrent100.0100.0100.0

us-gaap:PrepaidExpenseCurrentAndNoncurrent

us-gaap:PrepaidExpenseCurrentAndNoncurrent


Prepaid
Period End2020-12-312019-12-312018-12-31
Value5292000.04529000.03814000.0
Percentage of PrepaidExpenseCurrentAndNoncurrent100.0100.0100.0

us-gaap:PrepaidExpenseNoncurrent

us-gaap:PrepaidExpenseNoncurrent


Prepaid
Period End2020-12-312019-12-312018-12-31
Value2617000.03359000.02626000.0
Percentage of PrepaidExpenseNoncurrent100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization


Property
Period End2020-12-312019-12-31
Value573488
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization100.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value632605610577556534
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization


Property
Period End2020-12-312019-12-31
Value11841022
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization100.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization us-gaap:PropertyPlantAndEquipmentByType

oec:LandRightsAndBuildings


Property
Period End2020-12-312019-12-31
Value10194
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization8.69.2

oec:PlantAndMachinery


Property
Period End2020-12-312019-12-31
Value833725
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization70.470.9

oec:PrepaymentsAndConstructionInProgress


Property
Period End2020-12-312019-12-31
Value176138
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization14.913.5

us-gaap:FurnitureAndFixtures


Property
Period End2020-12-312019-12-31
Value3730
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization3.23.0

us-gaap:Land


Property
Period End2020-12-312019-12-31
Value3533
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization3.03.3

us-gaap:PurchaseObligation

us-gaap:PurchaseObligation


Purchase
Period End2020-12-312020-09-30
Value202186
Percentage of PurchaseObligation100.0100.0

us-gaap:PurchaseObligationDueInNextTwelveMonths

us-gaap:PurchaseObligationDueInNextTwelveMonths


Purchase
Period End2020-12-312020-09-30
Value125108
Percentage of PurchaseObligationDueInNextTwelveMonths100.0100.0

us-gaap:RestrictedCash

us-gaap:RestrictedCash


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value2902000.02863000.02996000.02859000.02734000.02675000.04505000.04356000.04537000.04504000.04588000.02929000.0
Percentage of RestrictedCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringAndRelatedCostExpectedCost1 us-gaap:StatementBusinessSegments

us-gaap:RestructuringAndRelatedCostExpectedCost1

oec:Rubber


Restructuring
Period End2020-12-31
Value42
Percentage of RestructuringAndRelatedCostExpectedCost1100.0

us-gaap:RestructuringAndRelatedCostExpectedCostRemaining1 us-gaap:StatementBusinessSegments

us-gaap:RestructuringAndRelatedCostExpectedCostRemaining1

oec:Rubber


Restructuring
Period End2020-12-31
Value8000000.0
Percentage of RestructuringAndRelatedCostExpectedCostRemaining1100.0

us-gaap:RestructuringReserve

us-gaap:RestructuringReserve


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-31
Value7.8617.3218.0391.8262.5723.2214.7658.6588.71716
Percentage of RestructuringReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestructuringReserve us-gaap:RestructuringCostAndReserve

oec:GroundRemediationCostsRelatedToRestructuring


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-31
Value5.1464.0624.2510.030.0750.2210.4882.9394.3173.795
Percentage of RestructuringReserve65.555.552.91.62.96.910.233.949.522.8

us-gaap:EmployeeSeverance


Restructuring
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-31
Value2.7153.0413.5591.6662.3732.8053.42.3340.6466.453
Percentage of RestructuringReserve34.541.544.391.292.387.171.427.07.438.7

us-gaap:FacilityClosing


Restructuring
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-31
Value0.2190.2290.0790.0750.1470.5612.5412.8244.88
Percentage of RestructuringReserve3.02.84.32.94.611.829.332.429.3

us-gaap:OtherRestructuring


Restructuring
Period End2020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-31
Value0.0510.0490.0480.3170.8440.931.547
Percentage of RestructuringReserve2.81.91.56.79.710.79.3

us-gaap:RestructuringReserveCurrent

us-gaap:RestructuringReserveCurrent


Restructuring
Period End2020-12-312019-12-312018-12-31
Value8039000.04765000.08658000.0
Percentage of RestructuringReserveCurrent100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedIntrinsicValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedIntrinsicValue

us-gaap:PerformanceShares


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value17.1412.5110.597.4619.316.7121.4118.9925.2832.130.8527.125.6
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value17.1412.5110.597.4619.316.7121.4118.9925.2832.130.8527.125.6
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedIntrinsicValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

us-gaap:PerformanceShares


Share
Period End2020-12-312020-06-302020-03-312019-12-312018-12-312017-12-312016-12-31
Value498350.0578050.0580650.01003700.01595000.01610900.01145200.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-12-312020-06-302020-03-312019-12-312018-12-312017-12-312016-12-31
Value370430.0194180.0195690.0197580.035817.000
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber74.333.633.719.72.20.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber us-gaap:AwardType, us-gaap:GranteeStatus, us-gaap:PlanName

us-gaap:RestrictedStockUnitsRSU, oec:ShareBasedPaymentArrangementEmployeeExistingEmployees, oec:TwoThousandNineteenPlan


Share
Period End2020-12-312020-06-302020-03-312019-12-312018-12-31
Value121670.0125040.0126550.0128450.00
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber24.421.621.812.80.0

us-gaap:RestrictedStockUnitsRSU, oec:ShareBasedPaymentArrangementEmployeeExistingEmployees, oec:TwoThousandTwentyPlan


Share
Period End2020-12-31
Value160620.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber32.2

us-gaap:RestrictedStockUnitsRSU, oec:ShareBasedPaymentArrangementEmployeeNewHireSignOn, oec:TwoThousandEighteenPlan


Share
Period End2020-12-312020-06-302020-03-312019-12-312018-12-31
Value23878.023878.023878.023878.035817.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber4.84.14.12.42.2

us-gaap:RestrictedStockUnitsRSU, oec:ShareBasedPaymentArrangementEmployeeNewHireSignOn, oec:TwoThousandNineteenPlan


Share
Period End2020-12-312020-06-302020-03-312019-12-312018-12-31
Value45257.045257.045257.045257.00
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber9.17.87.84.50.0

us-gaap:RestrictedStockUnitsRSU, oec:ShareBasedPaymentArrangementEmployeeNewHireSignOn, oec:TwoThousandTwentyPlan


Share
Period End2020-12-31
Value19000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber3.8

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber us-gaap:AwardType, us-gaap:PlanName

us-gaap:PerformanceShares, oec:TwoThousandNineteenPlan


Share
Period End2020-12-312020-06-302020-03-312019-12-312018-12-31
Value210750.0226320.0227830.0229730.00
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber42.339.239.222.90.0

us-gaap:PerformanceShares, oec:TwoThousandTwentyPlan


Share
Period End2020-12-31
Value287600.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber57.7

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding us-gaap:AwardType

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding

oec:RSUsAndPSUs


Sharebased
Period End2020-12-312019-12-312018-12-31
Value142341
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding100.0100.0100.0

us-gaap:PerformanceShares


Sharebased
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value158.25.823221831415141
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding0.00.00.0100.00.00.00.0100.00.00.0

us-gaap:RestrictedStockUnitsRSU


Sharebased
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value158.25.823221831415141
Percentage of SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding0.00.00.0100.00.00.00.0100.00.00.0

us-gaap:ShortTermBorrowings

us-gaap:ShortTermBorrowings


Short
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-31
Value63101751161301382934
Percentage of ShortTermBorrowings100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShortTermBorrowings us-gaap:StatementGeographical, us-gaap:CreditFacility

country:BR, us-gaap:LineOfCredit


Short
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value2.01.70.81.41.10.0
Percentage of ShortTermBorrowings3.21.71.11.20.80.0

country:KR, us-gaap:LineOfCredit


Short
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value4.44.44.640390.0
Percentage of ShortTermBorrowings7.04.46.134.830.30.0

us-gaap:TaxCreditCarryforwardAmount

us-gaap:TaxCreditCarryforwardAmount


Tax
Period End2020-12-312019-12-31
Value4265000.03185000.0
Percentage of TaxCreditCarryforwardAmount100.0100.0

us-gaap:TaxCreditCarryforwardAmount us-gaap:TaxPeriod

oec:Indefinite


Tax
Period End2020-12-312019-12-31
Value4265000.021000.0
Percentage of TaxCreditCarryforwardAmount100.00.7

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-31
Value5100000.04000000.03400000.02900000.0
Percentage of UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued100.0100.0100.0100.0

us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued

us-gaap:UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-31
Value1100000.0500000.0500000.0900000.0
Percentage of UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued100.0100.0100.0100.0

us-gaap:ValueAddedTaxReceivable

us-gaap:ValueAddedTaxReceivable


Value
Period End2020-12-312019-12-312018-12-31
Value232115
Percentage of ValueAddedTaxReceivable100.0100.0100.0

Line plots across dimensions of each concept


Operating Margin
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Operating  Marginus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:PlanName
(None,)
Allocated Share Based Compensation Expenseus-gaap: Plan Name
us-gaap:AllocatedShareBasedCompensationExpense
us-gaap:IncomeStatementLocation
(None,)
Allocated Share Based Compensation Expenseus-gaap: Income Statement Location
us-gaap:OperatingIncomeLoss
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Operating Income Lossus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Revenue From Contract With Customer Excluding Assessed Taxus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:Assets
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
('us-gaap:OperatingSegments', None)
Assetsus-gaap: Consolidation Items, us-gaap: Statement Business Segments
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components
us-gaap:NoncurrentAssets
us-gaap:StatementGeographical
(None,)
Noncurrent Assetsus-gaap: Statement Geographical
us-gaap:Goodwill
us-gaap:StatementBusinessSegments
(None,)
Goodwillus-gaap: Statement Business Segments
us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
(None,)
Finite Lived Intangible Assets Netus-gaap: Finite Lived Intangible Assets By Major Class
us-gaap:LongTermDebt
us-gaap:CreditFacility, us-gaap:DebtInstrument
('oec:TermLoan', None)
Long Term Debtus-gaap: Credit Facility, us-gaap: Debt Instrument
us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents
(None,)
Stockholders Equityus-gaap: Statement Equity Components