EIG


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

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockParOrStatedValuePerShare

us-gaap:PreferredStockParOrStatedValuePerShare

us-gaap:CommonStockSharesIssued
us-gaap:StatementEquityComponents

us-gaap:CommonStockSharesAuthorized

us-gaap:PreferredStockSharesAuthorized

us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:GainLossOnInvestments
us-gaap:FinancialInstrument
us-gaap:StatementBusinessSegments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestExpense
us-gaap:StatementBusinessSegments

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NetInvestmentIncome
us-gaap:StatementBusinessSegments

us-gaap:OperatingExpenses
us-gaap:StatementBusinessSegments

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:OtherIncome
us-gaap:StatementBusinessSegments

us-gaap:PolicyholderBenefitsAndClaimsIncurredNet
us-gaap:StatementBusinessSegments

us-gaap:PremiumsEarnedNet
us-gaap:StatementBusinessSegments

us-gaap:Revenues
us-gaap:StatementBusinessSegments

us-gaap:Assets
us-gaap:ConsolidatedEntities

us-gaap:Liabilities
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:ConsolidatedEntities

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

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

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:EquitySecuritiesFvNi
us-gaap:ConsolidatedEntities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

us-gaap:OtherAssets
us-gaap:ConsolidatedEntities

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:StatementEquityComponents

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
us-gaap:ConsolidatedEntities

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapitalCommonStock
us-gaap:ConsolidatedEntities

us-gaap:RetainedEarningsAccumulatedDeficit
us-gaap:ConsolidatedEntities

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:ConsolidatedEntities

us-gaap:TreasuryStockValue
us-gaap:ConsolidatedEntities

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DepreciationDepletionAndAmortization

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:EffectiveIncomeTaxRateContinuingOperations
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

eig:AmortizationOfDeferredGain

eig:CashTransactionsRelatedToStockBasedCompensation

eig:CloudComputingArrangementsCF

eig:DeferredReinsuranceGainLptAgreementCfs

eig:FinanceLeaseExpense

eig:IncreaseDecreaseInUnsettledAccountsReceivablAndAccountsPayable

eig:IncreaseDecreaseOperatingLeaseLiabilities

eig:IncreaseDecreaseOperatingLeaseRightofuseAssets

eig:InvestmentsChangeinNetUnrealizedGainsLosses

eig:InvestmentsGrossRealizedGains

eig:InvestmentsGrossRealizedLosses

eig:NonCancellableObligationsCF

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesGrossRealizedGains
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesGrossRealizedLosses

us-gaap:AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments

us-gaap:CapitalizedComputerSoftwareAmortization1

us-gaap:CededPremiumsWritten

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossPeriodIncreaseDecrease
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossRecovery

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossSecuritiesSold

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossWriteoff

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:EquitySecuritiesFvNiRealizedGain

us-gaap:EquitySecuritiesFvNiRealizedLoss

us-gaap:EquitySecuritiesFvNiUnrealizedGain

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss

us-gaap:FinanceLeasePrincipalPayments

us-gaap:GainLossOnSaleOfInvestments

us-gaap:GrossInvestmentIncomeOperating

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve

us-gaap:IncreaseDecreaseInPremiumsReceivable

us-gaap:IncreaseDecreaseInReinsuranceRecoverable

us-gaap:IncreaseDecreaseInUnearnedPremiums

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
eig:DilutiveSecurities

us-gaap:InsuranceCommissions
us-gaap:StatementBusinessSegments
us-gaap:InvestmentType
us-gaap:InvestmentIncomeDividend
us-gaap:InvestmentType
us-gaap:InvestmentIncomeInterest

us-gaap:InvestmentIncomeInvestmentExpense

us-gaap:InvestmentIncomeNet

us-gaap:LeaseCost

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1

us-gaap:LineOfCreditFacilityCommitmentFeeAmount
us-gaap:Range

us-gaap:LineOfCreditFacilityCommitmentFeePercentage
us-gaap:Range

us-gaap:LineOfCreditFacilityPeriodicPaymentInterest

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeaseImpairmentLoss

us-gaap:OperatingLeasePayments

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax
us-gaap:FinancialInstrument

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherExpenses
us-gaap:StatementBusinessSegments

us-gaap:OtherUnderwritingExpense
us-gaap:StatementBusinessSegments

us-gaap:PaymentsForLossesAndLossAdjustmentExpense

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity

us-gaap:PaymentsToAcquireOtherInvestments

us-gaap:PaymentsToAcquireOtherPropertyPlantAndEquipment

us-gaap:PaymentsToAcquireShortTermInvestments

us-gaap:PaymentsToDevelopSoftware

us-gaap:PremiumsReceivableAllowanceForDoubtfulAccountsPeriodIncreaseDecrease

us-gaap:PremiumsReceivableAllowanceForDoubtfulAccountsRecoveries

us-gaap:PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance

us-gaap:PremiumsWrittenGross
us-gaap:StatementBusinessSegments

us-gaap:PremiumsWrittenNet
us-gaap:StatementBusinessSegments

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ReinsuranceRecoverableAllowanceForCreditLossPeriodIncreaseDecrease

us-gaap:RepaymentsOfFederalHomeLoanBankBorrowings

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RepaymentsOfLongTermCapitalLeaseObligations
us-gaap:StatementEquityComponents
us-gaap:RestrictedStockSharesIssuedNetOfSharesForTaxWithholdings

us-gaap:RestrictedStockValueSharesIssuedNetOfTaxWithholdings
us-gaap:StatementEquityComponents
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod
us-gaap:TitleOfIndividual, us-gaap:AwardType

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised
us-gaap:StatementEquityComponents

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense
us-gaap:ShortdurationInsuranceContractsAccidentYear
us-gaap:StatementBusinessSegments
us-gaap:FinancialInstrument
us-gaap:TradingSecuritiesUnrealizedHoldingGainLoss

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents

us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization

dei:EntityCommonStockSharesOutstanding

eig:AccumulatedOtherComprehensiveIncomeDeferredTaxOnNetUnrealizedGains

eig:AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesBeforeTax

eig:CashEquivalentsMeasuredatNetAssetValue

eig:Cloudcomputingarrangements

eig:CommisionsAndPremiumTaxesPayable

eig:ContingentCommissionReceivableLptAgreement

eig:DeferredReinsuranceGainLptAgreement

eig:EmployeeContributions100Match

eig:EmployeeContributions50Match

eig:EmployeeContributionsMaximumMatch401K

eig:EstimatedRemainingLiabilitiesLptAgreement

eig:ImpactoftheLPTAgreement

eig:IntangibleAssetsGrossCarryingAmount
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

eig:InvestmentsCarriedatFairValue
us-gaap:FederalHomeLoanBankAdvancesBranchOfFHLBBank
eig:LetterofCreditCollateralAmount

eig:LptCollateralHeldInTrustAccount
dei:LegalEntity
eig:NetinvestmentincomePercentageOf

eig:NonCancellableObligations
us-gaap:FinancialInstrument
eig:NumberOfIssuesAvailableForSaleSecuritiesContinousUnrealizedLossPositionLessThanTwelveMonths

eig:PaidLossesAndLaeClaimsRelatedToLpt
dei:LegalEntity
eig:PercentageOfSurplus
dei:LegalEntity
eig:PercentageOfSurplus2
dei:LegalEntity
eig:PercentageOfSurplus3
dei:LegalEntity
eig:PercentageOfTotalLiabiltiesMaintainMinimumOfCapitalAndSurplus
dei:LegalEntity
eig:PercentageOfUnassignedGains
dei:LegalEntity
eig:PercentageOfUnassignedGains2
dei:LegalEntity
eig:PercentageofNetIncome

eig:Performanceshareawardsexpectedtarget

eig:PerformaneShareAwardsMaximumPayout
us-gaap:StatementGeographical
eig:PoliciesInforce
us-gaap:StatementGeographical
eig:PremiumsInForce

eig:PremiumsReceivableFromPolicyholdersForFinalAudit

eig:ReinsuranceRecoverableFromLptAgreement

eig:ReinsuranceRecoverablePaidLossesLessAllowance

eig:ReinsuranceRecoverableUnpaidLossesExcludingAllowance

eig:ReinsuranceRecoverableUnpaidLossesLessAllowance

eig:SafeHaborMatchingMaximum

eig:SafeHarborMatching50
us-gaap:AwardType
eig:ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantsAtGrantDateTotalFairValue
us-gaap:TitleOfIndividual, us-gaap:AwardType
dei:LegalEntity
eig:StatutorySurplusPercentageOf

eig:TotalAvailableforsaleDebtSecuritiesandShortterminvestmentsCost
us-gaap:FinancialInstrument

eig:TotalAvailableforsaleDebtSecuritiesandShortterminvestmentsUnrealizedGain
us-gaap:FinancialInstrument

eig:TotalAvailableforsaleDebtSecuritiesandShortterminvestmentsUnrealizedLoss
us-gaap:FinancialInstrument

eig:TotalAvailableforsaleinvestments
us-gaap:FinancialInstrument

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
us-gaap:ConsolidatedEntities

us-gaap:AccruedInvestmentIncomeReceivable
us-gaap:ConsolidatedEntities

us-gaap:AccruedLiabilitiesForCommissionsExpenseAndTaxes

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AlternativeInvestment
us-gaap:ConsolidatedEntities
us-gaap:AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries
eig:ReinsuranceAgreement
us-gaap:AssumedLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:ConsolidatedEntities
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:ConsolidatedEntities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

us-gaap:CapitalLeasesFutureMinimumPaymentsDue

us-gaap:CapitalLeasesFutureMinimumPaymentsDueCurrent

us-gaap:CapitalLeasesFutureMinimumPaymentsDueInThreeYears

us-gaap:CapitalLeasesFutureMinimumPaymentsDueInTwoYears

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions
us-gaap:FinancialInstrument
us-gaap:ConsolidatedEntities
us-gaap:DeferredIncomeTaxAssetsNet

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredPolicyAcquisitionCosts
us-gaap:StatementBusinessSegments

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve

us-gaap:DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesTaxDeferredIncome

us-gaap:DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities
us-gaap:AwardType
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EquitySecuritiesFvNiCost
us-gaap:ConsolidatedEntities
us-gaap:FinancialInstrument

us-gaap:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments

us-gaap:FederalHomeLoanBankAdvancesBranchOfFHLBBankAmountOfAdvancesByBranch
us-gaap:DebtInstrumentRedemptionPeriod

us-gaap:FederalHomeLoanBankStock

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:FundsHeldUnderReinsuranceAgreementsAsset

us-gaap:FundsHeldUnderReinsuranceAgreementsLiability

us-gaap:GuaranteeObligationsMaximumExposure

us-gaap:InvestmentOwnedAtCost

us-gaap:Investments
us-gaap:ConsolidatedEntities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FederalHomeLoanBankAdvancesBranchOfFHLBBank
us-gaap:FinancialInstrument

us-gaap:InvestmentsFairValueDisclosure

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense
us-gaap:ChangeInAccountingEstimateByType
us-gaap:StatementBusinessSegments

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet
dei:LegalEntity, us-gaap:FederalHomeLoanBankAdvancesBranchOfFHLBBank
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:FederalHomeLoanBankAdvancesBranchOfFHLBBank

us-gaap:LossContingencyAccrualInsuranceRelatedAssessmentPolicySurchargeAsset

us-gaap:LossContingencyDiscountedAmountOfInsuranceRelatedAssessmentLiability

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFiveYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFourYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInThreeYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInTwoYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter

us-gaap:OtherInvestments

us-gaap:OtherInvestmentsAndSecuritiesAtCost

us-gaap:OtherLiabilities
us-gaap:ConsolidatedEntities

us-gaap:OtherShortTermInvestments

us-gaap:PremiumsReceivableAllowanceForDoubtfulAccounts

us-gaap:PremiumsReceivableAtCarryingValue

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization

us-gaap:ReinsuranceRecoverablesAllowance

us-gaap:ReinsuranceRecoverablesOnPaidLosses

us-gaap:ReinsuranceRecoverablesOnUnpaidLossesAllowance

us-gaap:RestrictedCashAndCashEquivalents
eig:ReinsuranceAgreement
us-gaap:FairValueByMeasurementBasis

us-gaap:SalvageAndSubrogationRecoveriesValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:TitleOfIndividual, us-gaap:AwardType
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet
us-gaap:ShortdurationInsuranceContractsAccidentYear

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearEight

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearFive

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearFour

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearNine

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearSeven

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearSix

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearTen

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearThree

us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearTwo
us-gaap:ShortdurationInsuranceContractsAccidentYear
us-gaap:ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet

us-gaap:ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet
us-gaap:ShortdurationInsuranceContractsAccidentYear

us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet

us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAccumulatedUnallocatedClaimAdjustmentExpense
us-gaap:ShortdurationInsuranceContractsAccidentYear
us-gaap:ShortdurationInsuranceContractsNumberOfReportedClaims
dei:LegalEntity, us-gaap:StatementScenario
us-gaap:StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithRegulatoryApproval
dei:LegalEntity, us-gaap:StatementScenario
us-gaap:StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval

us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance
dei:LegalEntity

us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusRequired

us-gaap:StockRepurchaseProgramAuthorizedAmount1

us-gaap:TreasuryStockShares

us-gaap:UnearnedPremiums
us-gaap:StatementBusinessSegments

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Interest Expense
Balance Sheet
Short Term Investments
Assets
Operating Lease Right Of Use Asset
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Intangible Assets Net Excluding Goodwill
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Operating Lease Liability
Stockholders Equity
Common Stock Value
Per Share
Common Stock Dividends Per Share Declared
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Common Stock Shares Outstanding
DividendsAndRepurchase
Dividends Common Stock Cash
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue ██████████████████████████▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁0.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.5490.5490.5490.5470.5470.5460.5440.5430.5420.5410.5410.540.540.5390.5390.5380.538NANANA
us-gaap:CommonStockParOrStatedValuePerShare █████████████████████████████████████▁█▁███1e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-080.01e-080.01e-081e-081e-08NANANA
us-gaap:PreferredStockParOrStatedValuePerShare ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█▁▁▁1e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-081e-051e-081e-081e-08NANANA
us-gaap:CommonStockSharesIssued ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█▁▁▁57.68967257.62580857.41380657.38961557.38851557.37558557.1843757.1783257.15792657.1445356.97567556.90401856.86672756.84949456.69517456.52128456.51035256.37356856.22627756.12497456.07891955.89428855.58945455.45141755.40974855.2481354.86680254.86244254.85547454.74873354.67290454.57952354.37146554.30821254.14445354.07423654.06913653.66990353.94844253930.22753.93022753.82271553.779118NANANA
us-gaap:CommonStockSharesAuthorized ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█▁▁▁150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150000.0150.0150.0150.0NANANA
us-gaap:PreferredStockSharesAuthorized NANA25.0NA25.025.025.025.025.025.025.025.025.025.025.025.025.025.025.025.025.025.025.025.025.025.025.025.025.025.025.025.025.025.025.025.025.025.025.025000.025.025.025.0NANANA
us-gaap:CommonStockSharesOutstanding ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁█▁▁▁28.29178228.47825428.56479829.06975329.38289430.40301231.35537831.81467831.90491632.2638132.76579232.79666632.75957532.75213932.59781932.42392932.41299732.27621332.12892232.10997632.4636632.48398332.2164832.07844332.03677431.87515631.49382831.48946831.482531.37575931.2999331.20654930.99849130.93523830.77147930.72408630.9475531.93547432.99680936230.39937.85539938.51118738.965126NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█28.80934128.968339NA29.56840630.22955331.156149NA32.31801732.45062832.954079NA33.31616433.22270633.32042NA33.05398532.99259832.965367NA32.94896233.04409932.86295NA32.5243432.50749632.454064NA32.1094232.03095431.98997NA32.03367631.64161631.389637NA31.09610631.68563632.826091NA37636.51238.59631338.877124NANA42.605679NA
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▁█28.47878828.516731NA29.33742630.043930.697496NA31.94685132.07769832.442287NA32.9062532.88002332.830481NA32.563832.46913732.327784NA32.44961732.62952532.413818NA32.18414332.06698131.740923NA31.59145731.51847331.409322NA31.2142331.07971330.914478NA30.89164831.53745232.649205NA37623.93538.46811338.674176NANA42.472737NA
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount NANANA0.153620.16839NANANA0.0NANANANANANANANA0.0NA0.0NA0.0NA0.08080.0NANA0.2719440.14910.0NA0.00.00.1628NA0.9345970.9345970.93668NA1.4498211.0418361.074635NANANANA
us-gaap:EarningsPerShareBasic ▅▄▇▅▆▁▅▅▅▆▄▆▅▄▅▄▄▄▅▄▄▄▄▄▅▄▅▄▆▄▄▅▄▃█▃▃▃▄▄▃▃▄▃▄▄0.930.812.211.061.98-1.141.01.031.271.60.781.451.290.780.960.670.760.721.10.70.810.650.830.760.910.440.920.481.450.340.450.880.470.242.850.260.160.190.580.310.210.220.510.250.390.38
us-gaap:EarningsPerShareDiluted ▅▄▇▅▆▁▅▅▅▆▄▆▅▄▅▄▄▄▅▄▄▄▄▄▅▄▅▄▆▄▄▅▄▃█▃▃▃▄▄▃▃▄▃▄▄0.920.82.191.051.97-1.140.991.011.251.570.771.431.280.770.940.660.750.71.080.690.80.640.820.750.90.430.910.471.420.340.440.860.460.242.820.260.160.190.580.310.210.210.510.250.390.38
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 EBT Margin us-gaap:StatementBusinessSegments eig:EmployersSegment▄▄▆▅▇▁▇▇▇█170.2162.7189.69999999999993181.0208.7129.5209.2200.1202.7216.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:StatementBusinessSegments us-gaap:CorporateNonSegmentNANANA0.20.4-1.6NA0.61.63.7NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:ComprehensiveIncomeNetOfTax ▅▃▆▅█▁▄▅▆▇▅▅▄▃▄▄▅▄▃▄▅▅▅▄▃▄▅▄▅▄▄▄▂▄▆▄▄▄▄▄▄▃▂▅▄35.2-13.067.437.8123.0-58.628.947.670.489.134.438.431.2-9.830.322.232.531.2-7.617.445.740.833.212.13.422.434.3598.29155.68818.85313.36531.04-26.7126.99977.63123.08.23611.1120.85228.29726.4015.349-22.96636.94131.426NA
us-gaap:GainLossOnInvestments ▆▆▇▇█▁▆▅▆▇▃▆▆▅▅▆▅▅16.010.921.319.139.7-61.117.82.67.423.3-26.415.65.7-8.00.04.11.12.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments ▅▅█▅▇▁▆▆▆▇▅▇▆▅▆▅▅▅▆▅▅▅▄▅▅▄▅▄▆▄▄▅▄▄█▄▄▄▅▄▄▄▅▄▄▄32.427.680.438.374.3-45.341.440.949.761.830.558.351.329.453.028.932.629.548.430.434.227.717.630.433.318.130.44516.49547.54812.0715.80224.31115.7977.26486.3256.9772.6971.80126.5667.4286.2485.96522.50810.11218.13515.567
us-gaap:IncomeTaxExpenseBenefit ▅▄▇▅▆▁▅▅▅▅▄▆▅▄█▅▅▅▆▅▅▅▁▅▄▄▄▄▄▄▁▃▄▃▃▃▃▂▅▂▃▃▄▃▄▃6.04.516.47.214.7-10.49.68.19.010.04.910.78.83.821.77.07.86.312.97.87.96.7-9.15.94.14.11.3111.2951.9511.318-8.359-3.2741.209-0.226-1.444-1.173-2.309-4.4216.632-4.355-2.003-2.382.3590.0581.636-0.53
us-gaap:InterestExpense █▁0.20.1NANA0.00.00.00.00.20.40.40.40.40.30.30.30.40.40.40.40.40.40.60.70.70.70.7310.7430.7530.7780.8260.8150.7970.8080.8480.8960.8580.9020.9110.9060.9080.9170.8611.6321.62NA
us-gaap:NetIncomeLoss ▄▄▇▅▆▁▅▅▅▆▄▆▅▄▅▄▄▄▅▄▄▄▅▄▅▄▅▄▆▄▄▅▄▃█▃▃▃▄▄▃▃▄▄▄▄26.423.164.031.159.6-34.931.832.840.751.825.647.642.525.631.321.924.823.235.522.626.321.026.724.529.214.029.13415.245.59710.75314.16127.58514.5887.4987.7698.155.0066.22219.93411.7838.2518.34520.14910.05416.49916.097
us-gaap:NetInvestmentIncome ▃▃▂▃▅▅██▇▇▆▅▅▄▄▃▃▃▄▂▃▂▃▃▃▁▂▃▃▂▂▂▂▂▃▂▃▃▄▄▅▅▅▆▆▆18.218.418.018.519.919.922.622.321.421.821.320.220.319.419.218.518.218.819.117.918.417.818.418.518.416.917.87718.17918.28518.01317.91517.79917.64517.40518.17517.50618.29718.38519.73419.58420.30620.49320.4420.68920.64821.255
us-gaap:OperatingExpenses ▅▅▃▅▅▇▇▆▆▆▆▇▆▆▆█▆▇▅▇▇▇▇▇▆▆▆▇▆▇█▆▇▆▁▅▅▄▃▃▃▂▂▂▁▂139.0136.0110.7143.6137.1172.3169.0160.1154.6158.5148.9170.6152.8158.6148.0182.0160.6166.8144.8162.4167.6164.3166.9169.1157.6159.1162.203175.561152.734176.41186.562159.021165.811159.01373.262144.163135.614128.343111.861105.486103.29197.30990.78391.67381.30785.519
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▄▁▄▄█▂▄▅▆▆▄▃▃▂▄▄▄▄▁▃▅▅▄▃▂▄▄▃▄▄▄▄▁▄▃▅▄▄▄▅▅8.8-36.13.46.763.4-23.7-2.814.829.737.38.8-9.2-11.3-35.4-1.00.37.78.0-43.1-5.219.419.86.5-12.4-25.88.45.225-6.90910.0918.1-0.7963.455-41.3-0.491-10.13814.853.234.8880.91816.51418.15NANANANANA
us-gaap:OtherIncome ▃▅▄▁▄▄▄▄▂▅█▃▃▂▄▅▃▂▂▂▆▃▃▂▂▃▂▂▃▂▇▂▃▃▂▂▃▂▄▂▂▃▂▅▃▂0.20.40.3-0.10.30.30.30.30.00.40.80.20.10.00.30.40.10.00.00.00.50.10.10.00.00.10.0340.0480.1710.0550.6630.0290.1440.1030.0820.030.1140.0810.2470.0820.0030.120.0490.3930.2070.0
us-gaap:PolicyholderBenefitsAndClaimsIncurredNet ▅▄▃▄▄▆▆▅▅▅▅▆▅▅▅▇▆▆▅▆▆▆▆▇▆▆▆▇▆▇█▆▇▆▁▆▅▅▄▄▄▃▃▃▂▂83.769.647.977.173.1104.397.692.986.888.686.9106.687.895.485.2116.9106.1109.089.9109.0111.7107.3105.9115.8101.5106.2110.217122.35798.524122.256136.902105.767112.638108.27222.7698.25588.29380.92373.65467.43864.1559.42156.68252.76445.04540.288
us-gaap:PremiumsEarnedNet ▅▄▅▅▅▆▇▇▇▇▇█▇▇▇█▇▇▇▇▇▇▇▇▇▆▇▇▇▆▇▆▆▅▅▄▃▃▂▂▂▁▁▁▁▁137.0133.9151.5144.4151.5167.9169.7175.8175.5174.8183.6192.9178.0176.6181.6187.9171.7175.3172.0173.3176.9172.6181.8179.0170.6159.0172.601172.053172.659167.154169.992164.429159.953147.975140.843131.766118.955109.9100.26892.60188.12882.42783.56580.69578.23579.291
us-gaap:Revenues ▅▄▆▅▇▂▇▆▇█▅█▇▆▆▇▆▆▆▆▇▆▆▆▆▅▆▆▆▆▆▆▅▅▄▄▃▃▃▂▂▁▂▁▁▁171.4163.6191.10000000000005181.9211.4127.0210.4201.0204.3220.3179.4228.9204.1188.0201.0210.9193.2196.3193.2192.8201.8192.0184.5199.5190.9177.2192.648192.056200.282188.481192.364183.332181.608166.277159.587151.14138.311130.144138.427112.914109.539103.274113.291101.78599.442101.086
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ▆▆▇▇█▇██▇▇▇▆▆▆▆▆▅▆▅▅▆▅▅▅▅▅▅▅▅▄▃▃▃▂▁▂▂▁▁▁▁▁▁3836.73864.03922.63985.14004.03912.24004.14024.93954.33973.13919.23898.53868.53847.93840.13835.43824.83833.63773.43824.33832.43796.83755.83806.33811.43800.73769.6553779.1823764.5773698.9723643.4493645.5163617.4753573.8833511.3393587.8863540.2793506.0913481.7443514.0463498.0423479.3393480.12NANANA
us-gaap:Liabilities ▁▂▂▄▄▄▄▄▄▅▅▅▅▅▅▅▅▆▅▆▆▆▆▇█▇▇███▇▇█▇▆█▇▇▆▆▆▆▆2633.12677.42709.82817.72860.02854.92838.32864.52832.82901.42901.02907.32912.02917.62892.42918.32925.62966.12932.82974.22987.12993.12995.03080.33096.93091.23082.8113126.5893119.3253111.1113074.7463088.9873095.5353025.82971.9583114.673085.6283040.3713007.5583007.952999.3292993.5812990.004NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▆▆▇▇█▇██▇▇▇▆▆▆▆▆▅▆▅▅▆▅▅▅▅▅▅▅▅▄▃▃▃▂▁▂▂▁▁▁▁▁▁3836.73864.03922.63985.14004.03912.24004.14024.93954.33973.13919.23898.53868.53847.93840.13835.43824.83833.63773.43824.33832.43796.83755.83806.33811.43800.73769.6553779.1823764.5773698.9723643.4493645.5163617.4753573.8833511.3393587.8863540.2793506.0913481.7443514.0463498.0423479.3393480.12NANANA
us-gaap:StockholdersEquity ███▇▇▆▇▇▇▆▅▅▄▄▄▃▃▃▂▂▂▂▁1203.61186.61212.81167.41144.01057.31165.81160.41121.51071.71018.2991.2956.5930.3947.7917.1899.2867.5840.6850.1845.3803.7760.8NANANA686.844NANANA568.703NANANA539.4NANANA474.2NANA485.758490.116NANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CashAndCashEquivalentsAtCarryingValue ▃▃▅█▄▅▅▄▃▃▃▆▅▂▂▂▁▂▂▃▄▂▂▂▂▁▃▂▁▂▁▃▃▄▄█▇▆█▇▆▅▄▄▆▆107.685.4160.4237.3131.8174.1154.9140.3105.592.3101.4203.0146.356.373.369.442.658.667.284.1128.270.856.656.264.945.6103.57359.00636.95651.11834.50399.82397.06130.889140.661243.242208.791201.555252.3206.834201.882167.231119.825139.072187.981187.553
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▃▃▅█▄▆▅▅▃▃▃▇▅▂▂▂▁▂▂107.885.6160.6237.6132.1174.4155.2140.6105.894.8102.0205.0147.357.274.370.543.062.770.8NANANA59.1NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ShortTermInvestments ▁▁▅██▂▁▁▁▁▅▁▁▆▂▂▂▃▃▃▁0.31.026.645.843.19.30.00.00.00.025.00.00.034.94.05.55.515.416.014.02.0NA0.018.318.59.00.0NANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:PropertyPlantAndEquipmentGross ▁▁▂▄▆▆▅██▆▅60.860.763.067.673.271.469.975.976.773.169.5NANANA59.960.3NANA66.8NANANA64.5NANANA53.901NANANA46.689NANANA42.051NANANA38.279NANANA35.864NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment ▂▁▂▄▇▅▄▇█▆▆44.242.643.947.452.049.848.052.053.951.351.3NANANA46.045.3NANA44.6NANANA39.6NANANA32.869NANANA30.073NANANA27.371NANANA26.919NANANA24.152NANANA
us-gaap:PropertyPlantAndEquipmentNet ▄▅▅▆▆▆▆▇▇▆▅▄▆▃▂▃█▇▇▇▇▇█▇▇▆▆▅▃▄▄▄▃▃▃▂▂▁▁▁▁▁▁16.618.119.120.221.221.621.923.922.821.818.216.520.314.813.915.024.323.922.222.623.123.024.922.923.220.321.03219.90215.67516.22816.61616.4915.48914.82514.6812.83212.09911.99811.3611.51711.65611.0911.712NANANA
us-gaap:Goodwill ██████████████████████████▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁36.236.236.236.236.236.236.236.236.236.236.236.236.236.236.236.236.236.236.236.236.236.236.236.236.236.236.19236.19236.19236.19236.19236.19236.19236.19236.19236.19236.19236.19236.19236.19236.19236.19236.192NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ████████▁▁▁▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂▃▃▃▃▃▄▄▄▄▅▅▅▆▆▇▇█13.613.613.613.613.613.613.613.67.77.77.77.77.87.87.98.08.08.18.28.38.48.48.58.78.88.99.0349.189.3499.5179.6859.88110.10610.33210.55810.81911.12211.42511.72812.07612.47712.87813.279NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:OtherIntangibleAssetsNANA0.1NANANA0.1NANANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANA0.0NANANA0.0NANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA4.2NANANA4.4NANANA4.9NANANA4.2NANANA8.1NANANA8.4NANANA7.467NANANA8.292NANANA5.095NANANA5.253NANANA5.216NANANA
us-gaap:OperatingLeaseRightOfUseAsset ▆▇▇▇█▆▆▆▆▇▁15.816.417.418.620.414.915.915.015.716.80.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EquitySecuritiesFvNi ▆▄▂▁▃▂▆█▅▄▂257.0229.7208.5188.7216.3205.7256.7284.7239.1230.0199.9NANANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:DeferredIncomeTaxLiabilitiesNet NANA15.5NANANA2.6NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo █▁3.33.2NA4.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree █▁3.33.2NA3.3NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive █▁3.13.0NA3.2NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive ▄▄4.74.7NA7.4NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ███▇▇▆▇▇▇▆▅▅▄▄▄▃▃▃▂▂▂▂▁1203.61186.61212.81167.41144.01057.31165.81160.41121.51071.71018.2991.2956.5930.3947.7917.1899.2867.5840.6850.1845.3803.7760.8NANANA686.844NANANA568.703NANANA539.4NANANA474.2NANA485.758490.116NANANA
us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest ████▇▇██▇▇▆▆▆▅▆▅▅▅▅▅▅▄▄▄▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁1203.61186.61212.81167.41144.01057.31165.81160.41121.51071.71018.2991.2956.5930.3947.7917.1899.2867.5840.6850.1845.3803.7760.8726.0714.5709.5686.844652.593645.252587.861568.703556.529521.94548.083539.381473.216454.651465.72474.186506.096498.713NA490.116NANANA
us-gaap:CommonStockValue ██████████████████████████▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁0.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.5490.5490.5490.5470.5470.5460.5440.5430.5420.5410.5410.540.540.5390.5390.5380.538NANANA
us-gaap:AdditionalPaidInCapital NANA363.2NANANA362.8NANANA349.4NANANA349.8NANANA174.9NANANA174.9NANANA174.9NANANA174.9NANANA134.9NANANA64.9NANANA64.9NANANA
us-gaap:AdditionalPaidInCapitalCommonStock ████▇▇▇▇▇▇▇▆▆▆▆▆▆▅▅▅▅▅▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁407.4407.9404.3401.6399.2397.0396.4393.0389.8388.1388.8385.2382.4380.4381.2377.2376.6372.7372.0368.6367.9363.2357.2353.6352.3348.7346.602344.814343.869340.279338.09337.403331.977329.549325.99322.739321.262320.086318.989317.761316.739315.41314.212NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ███▇▇▇▇▇▇▆▆▆▆▅▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁1283.01263.81247.91191.41167.81115.91158.81134.31108.71075.11030.71011.9970.8935.0842.2832.4815.4795.4777.2744.5723.5700.1682.0657.3634.7607.5595.318568.08554.775511.067502.198489.916464.21451.483445.85372.39366.089362.972358.693340.823331.316325.372319.341NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▆▅▇▇▇▄▅▅▄▃▁▁▁▂▇▆▆▆▅▇▇▆▆▅▆▇▇▆▇▆▆▆▆███▇▇▇▇▆▅▆▇▆87.879.0115.1111.7105.041.665.368.153.323.6-13.7-22.5-13.3-2.0107.490.690.382.574.5117.6122.8103.483.677.189.5115.3106.925101.7108.60998.51890.41891.21487.759129.058129.549139.686124.836121.607116.719115.80199.28781.13784.133127.248100.361NA
us-gaap:TreasuryStockValue ███▇▇▆▆▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▂▁▁▁575.2564.7555.1537.9528.6497.8455.3435.6430.9415.7388.2384.0384.0383.7383.7383.7383.7383.7383.7381.2369.5363.6362.6362.6362.6362.6362.55362.55362.55362.55362.55362.55362.55362.55362.55362.14358.077339.485320.755268.828249.168236.699228.108NANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▁█▄▄▄▄▅▄▃▄▅▃▃▃▅▁▂▃▂▂▂▃0.55.22.72.42.22.53.32.71.62.43.52.01.82.12.90.81.22.01.51.11.41.8NANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁▁▁▄▃▃▃█▄▄▆▆▅▆▅▇▃▅▄▇▄▄▄▅▅▄▅▇▅▅▅▅▆▆▆▅▅▄▃▄▃▃▆▃▁▂-13.9-11.4-14.30000000000000419.512.615.510.570.322.220.147.146.940.046.238.561.211.930.725.855.620.620.822.831.237.624.833.00158.28539.54138.5739.68138.85243.60541.58740.88936.52129.92124.447.23823.2657.3975.31551.3815.362-11.8782.117
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▄▄█▄▇▆▄▆▅▁▆▇▃▄▄▅▄▄▃▆▅▆▄▄▃▆▄▃▄▂▄▃▄▁▅▅▃█▅▆▇▃▄▆▅69.9-39.8-22.7102.6-51.856.230.8-24.132.69.9-139.516.756.9-53.7-32.2-29.2-15.9-32.9-39.5-84.742.4-6.837.9-38.7-19.2-81.223.39-34.468-53.62-20.8-93.887-37.997-75.955-51.051-132.2643.765-2.079-54.368101.3223.58341.81652.438-54.674-33.79332.734.41
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▅▃▆▇▂▅▇▃▄▇▇▇▇█▇▇▇▇▆▇█▁███▇███▇███▇▇▆▆▁▅▆▇▆▅▆▇-33.8-23.8-40.0-16.6-3.1-52.5-26.7-11.4-43.8-37.2-10.6-5.9-6.8-9.6-2.4-5.2-12.0-6.4-3.2-15.0-5.60.2-60.3-1.20.9-1.6-11.824-1.767-0.083-1.155-11.1141.908-1.479-0.308-11.206-5.835-20.606-20.817-63.094-21.896-14.562-10.347-15.953-30.478-20.424-7.807
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▅▂▂█▃▅▅▆▅▄▁▆▇▄▅▅▄▄22.2-75.0-77.0105.5-42.319.214.634.811.0-7.2-103.057.790.1-17.13.827.5-19.7-8.1NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:DeferredIncomeTaxExpenseBenefit ▂▆▇▄▅▁▅▄▅▅▂▆▅▇█▅▅▅▅▅▅▅▂▄▅▅▄▄▄▄▃▃▄▄▄▄▄▃▅▄▄▄▄▄▄▅-8.09.512.0-1.83.0-13.63.5-1.82.94.0-8.66.25.111.716.31.93.03.04.92.93.91.7-10.10.81.91.8-1.190.2951.333-0.973-5.279-2.924-1.404-1.154-0.968-2.356-2.526-5.1493.148-2.57-0.789-1.397-0.3650.6970.2784.07
us-gaap:DepreciationDepletionAndAmortization ▄▄▄▄▆▅▇█▇▁▁▁▄▄▄▄▅▅▅▅▅▅▆▆▄▃▃▃▃▄▃▂▂▂▂▂▂▂▂▂▃▄▃▃▄▄1.91.91.8999999999999991.92.32.12.52.82.51.21.21.31.82.02.02.02.12.12.12.12.12.22.42.31.91.71.7551.7321.7111.7971.7561.5241.4071.3931.4081.4061.3731.4141.5271.4741.5461.8411.6211.6131.8821.982
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▃▇▅▄▄█▇▅▄█▆▄▄▆▄▁▆▆▆▂▆▆▄▄▅█▅▄▇▆▄▆▆▅▃▅▄▅▄▅▄▅▃▅▆▄-7.011.1-1.8-6.7-4.113.67.3-2.2-6.212.96.3-3.2-4.34.2-4.8-18.13.64.02.5-13.75.56.2-2.9-5.01.513.4-0.2-3.56810.9513.353-4.2092.4434.91-0.731-7.574-0.274-5.682-2.211-4.740.857-3.5811.252-7.8791.0024.185-2.515
us-gaap:NetCashProvidedByUsedInOperatingActivities ▁▁▁▄▃▃▃█▄▄▆▆▅▆▅▇▃▅▄▇▄▄▄▅▅▄▅▇▅▅▅▅▆▆▆▅▅▄▃▄▃▃▆▃▁▂-13.9-11.4-14.30000000000000419.512.615.510.570.322.220.147.146.940.046.238.561.211.930.725.855.620.620.822.831.237.624.833.00158.28539.54138.5739.68138.85243.60541.58740.88936.52129.92124.447.23823.2657.3975.31551.3815.362-11.8782.117
us-gaap:NetIncomeLoss ▄▄▇▅▆▁▅▅▅▆▄▆▅▄▅▄▄▄▅▄▄▄▅▄▅▄▅▄▆▄▄▅▄▃█▃▃▃▄▄▃▃▄▄▄▄26.423.164.031.159.6-34.931.832.840.751.825.647.642.525.631.321.924.823.235.522.626.321.026.724.529.214.029.13415.245.59710.75314.16127.58514.5887.4987.7698.155.0066.22219.93411.7838.2518.34520.14910.05416.49916.097
us-gaap:ShareBasedCompensation ▂█▅▄▄▄▆▅▃▄▆▄▃▄▅▂▃▄▃▃▃▄▃▂▂▄▃▂▄▃▁▃▄▄▄▃▃▃▃▃▃▂▃▃▃▂0.55.22.82.32.22.43.32.71.72.43.52.11.72.12.90.81.21.91.51.11.41.81.40.50.91.81.7230.8251.8891.596-0.1931.6462.0592.112.1991.41.3011.2411.0040.9821.1160.641.0711.0321.0850.865
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▄▄█▄▇▆▄▆▅▁▆▇▃▄▄▅▄▄▃▆▅▆▄▄▃▆▄▃▄▂▄▃▄▁▅▅▃█▅▆▇▃▄▆▅69.9-39.8-22.7102.6-51.856.230.8-24.132.69.9-139.516.756.9-53.7-32.2-29.2-15.9-32.9-39.5-84.742.4-6.837.9-38.7-19.2-81.223.39-34.468-53.62-20.8-93.887-37.997-75.955-51.051-132.2643.765-2.079-54.368101.3223.58341.81652.438-54.674-33.79332.734.41
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▅▃▆▇▂▅▇▃▄▇▇▇▇█▇▇▇▇▆▇█▁███▇███▇███▇▇▆▆▁▅▆▇▆▅▆▇-33.8-23.8-40.0-16.6-3.1-52.5-26.7-11.4-43.8-37.2-10.6-5.9-6.8-9.6-2.4-5.2-12.0-6.4-3.2-15.0-5.60.2-60.3-1.20.9-1.6-11.824-1.767-0.083-1.155-11.1141.908-1.479-0.308-11.206-5.835-20.606-20.817-63.094-21.896-14.562-10.347-15.953-30.478-20.424-7.807
us-gaap:PaymentsOfDividendsCommonStock ▇▇▇▇██▇▇▇▇▇▆▇▆▅▄▄▅▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▂▂7.27.17.57.57.88.07.17.17.47.36.86.66.76.65.04.94.85.02.72.93.02.91.92.01.91.91.8891.8891.8831.8791.8751.8721.8561.8521.8441.8421.8831.9392.0582.2722.3032.312.3812.4442.5552.555
us-gaap:PaymentsForRepurchaseOfCommonStock ▃▃▄▂▆█▄▂▄▅▂▁▁▁▁▁▁▁▁▃▂▁▁▁▁▁10.510.017.59.030.442.519.74.716.526.63.90.00.30.00.00.00.00.02.511.75.91.00.00.00.00.0NANANANA0.00.00.00.00.414.06318.59218.7351.25519.6612.4698.59113.59228.10817.5114.381
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0549000.0549000.0549000.0547000.0547000.0546000.0544000.0543000.0542000.0541000.0541000.0540000.0540000.0539000.0539000.0538000.0538000.0536000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Par Or Stated Value Per Share

us-gaap:CommonStockParOrStatedValuePerShare

us-gaap:CommonStockParOrStatedValuePerShare


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value0.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.0100.0100.010.010.010.01
Percentage of CommonStockParOrStatedValuePerShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0

Preferred Stock Par Or Stated Value Per Share

us-gaap:PreferredStockParOrStatedValuePerShare

us-gaap:PreferredStockParOrStatedValuePerShare


Preferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value0.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.010.0110.00.010.010.010.01
Percentage of PreferredStockParOrStatedValuePerShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value5757575757575757575756565656565656565656565555555555545454545454545454545453535393053535353
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesIssued us-gaap:StatementEquityComponents

us-gaap:CommonStock


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value575757575757575757575656565656565656565656555554545453535353
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesAuthorized


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value150150150150150150150150150150150150150150150150150150150150150150150150150150150150150150150150150150150150150150150150000150150150150
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Preferred Stock Shares Authorized

us-gaap:PreferredStockSharesAuthorized

us-gaap:PreferredStockSharesAuthorized


Preferred
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2525252525252525252525252525252525252525252525252525252525252525252525252500025252525
Percentage of PreferredStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2828282929303131313232323232323232323232323232323231313131313131303030303031323623037383842
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-06-30
Value282829303132323233333333323232333232323232323132313131313237636383842
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-06-30
Value282829303031323232323232323232323232323131313131313030313237623383842
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount


Antidilutive
Period End2020-09-302020-06-302019-06-302017-03-312016-09-302016-03-312015-09-302015-06-302014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-31
Value153620.0168390.0000080800.00271940.0149100.0000162800.0934600.0934600.0936680.01449800.01041800.01074600.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.00.00.00.00.0100.00.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.930.812.211.061.98-1.141.01.031.271.60.781.451.290.780.960.670.760.721.10.70.810.650.830.760.910.440.920.481.450.340.450.880.470.242.850.260.160.190.580.310.210.220.510.250.390.38
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.920.82.191.051.97-1.140.991.011.251.570.771.431.280.770.940.660.750.71.080.690.80.640.820.750.90.430.910.471.420.340.440.860.460.242.820.260.160.190.580.310.210.210.510.250.390.38
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value35-13.06737123-58.628477089343831-9.830223231-7.617454033123.422348.29155181331-26.7126.99977238.236112028265.349-22.9663631
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues20.5-7.935.320.858.2-46.113.723.734.540.419.216.815.3-5.215.110.516.815.9-3.99.022.621.218.06.11.812.617.84.327.810.06.916.9-14.74.248.615.26.08.515.125.124.15.2-20.336.331.6

Gain Loss On Investments

us-gaap:GainLossOnInvestments

us-gaap:GainLossOnInvestments


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1610211939-61.1172.67.423-26.4155.7-8.00.04.11.12.2
Percentage of GainLossOnInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0
Percentage of Revenues9.36.711.110.518.8-48.18.51.33.610.6-14.76.82.8-4.30.01.90.61.1

us-gaap:GainLossOnInvestments us-gaap:FinancialInstrument

us-gaap:DebtSecurities


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.00.82.11.77.5-6.91.02.00.30.6-1.30.00.0-0.5
Percentage of GainLossOnInvestments12.57.39.98.918.911.35.676.94.12.64.90.00.06.2
Percentage of Revenues1.20.51.10.93.5-5.40.51.00.10.3-0.70.00.0-0.3
Percentage of Revenues us-gaap:DebtSecurities0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EquitySecurities


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value149.41732-53.80.77.122155.7-7.5
Percentage of GainLossOnInvestments88.186.292.181.988.126.995.997.4100.0100.093.8
Percentage of Revenues8.25.79.715.4-42.40.33.510.36.82.8-4.0
Percentage of Revenues us-gaap:EquitySecurities0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherInvestments


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-0.10.7-0.4-0.2-0.3-0.40.9-0.2
Percentage of GainLossOnInvestments-0.66.4-1.9-1.0-0.80.75.1-7.7
Percentage of Revenues-0.10.4-0.2-0.1-0.1-0.30.4-0.1
Percentage of Revenues us-gaap:OtherInvestments0.00.00.00.00.00.00.00.0

us-gaap:GainLossOnInvestments us-gaap:StatementBusinessSegments

eig:CeritySegment


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.20.1-0.11.3-1.70.00.10.00.0
Percentage of GainLossOnInvestments1.20.9-0.53.32.80.03.80.00.0
Percentage of Revenues0.10.1-0.10.6-1.30.00.00.00.0
Percentage of Revenues eig:CeritySegment18.212.5-14.356.5188.90.033.30.00.0

eig:EmployersSegment


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1510201938-57.3172.66.920
Percentage of GainLossOnInvestments98.899.197.7100.596.293.897.8100.093.289.3
Percentage of Revenues9.26.610.910.618.1-45.18.31.33.49.4
Percentage of Revenues eig:EmployersSegment9.36.60.010.618.3-44.20.01.33.49.6

us-gaap:CorporateNonSegment


Gain
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.00.2-2.1-0.10.52.5
Percentage of GainLossOnInvestments0.00.53.4-3.86.810.7
Percentage of Revenues0.00.1-1.7-0.00.21.1
Percentage of Revenues us-gaap:CorporateNonSegment0.050.0131.2-16.731.267.6

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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3227803874-45.34140496130585129532832294830342717303318301647125.80224157.264866.9772.6971.801267.4286.2485.96522101815
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues18.916.942.121.135.1-35.719.720.324.328.117.025.525.115.626.413.716.915.025.115.816.914.49.515.217.410.215.88.623.76.43.013.38.74.454.14.61.91.419.26.65.75.819.99.918.215.4

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap:StatementBusinessSegments

eig:CeritySegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1.6-2.9-3.6-3.2-2.0-4.7-4.2-3.8-4.1-3.5
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments-4.9-10.5-4.5-8.4-2.710.4-10.1-9.3-8.2-5.7
Percentage of Revenues-0.9-1.8-1.9-1.8-0.9-3.7-2.0-1.9-2.0-1.6
Percentage of Revenues eig:CeritySegment-145.5-362.50.0-457.1-87.0522.20.0-1266.70.00.0

eig:EmployersSegment


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3534834275-37.747465063
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments108.0123.2103.7111.7101.683.2113.8114.4101.2103.2
Percentage of Revenues20.420.843.623.535.7-29.722.423.324.629.0
Percentage of Revenues eig:EmployersSegment20.620.90.023.636.2-29.10.023.424.829.5

us-gaap:Corporate


Income
Period End2021-06-302021-03-312020-06-302020-03-31
Value-1.0-3.50.8-2.9
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments-3.1-12.71.16.4
Percentage of Revenues-0.6-2.10.4-2.3
Percentage of Revenues us-gaap:Corporate-1000.0-3500.0200.0181.2

us-gaap:CorporateNonSegment


Income
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-1.30.8-2.9-2.13.51.5
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments-3.41.16.4-5.17.02.4
Percentage of Revenues-0.70.4-2.3-1.01.70.7
Percentage of Revenues us-gaap:CorporateNonSegment-650.0200.0181.2-350.0218.840.5

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value6.04.5167.214-10.49.68.19.010.04.9108.83.8217.07.86.3127.87.96.7-9.15.94.14.11.3111.2951.9511.318-8.359-3.2741.209-0.226-1.444-1.173-2.309-4.4216.632-4.355-2.003-2.382.3590.0581.636-0.53
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues3.52.88.64.07.0-8.24.64.04.44.52.74.74.32.010.83.34.03.26.74.03.93.5-4.93.02.12.30.70.71.00.7-4.3-1.80.7-0.1-0.9-0.8-1.7-3.44.8-3.9-1.8-2.32.10.11.6-0.5

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value200000.0100000.00000200000.0400000.0400000.0400000.0400000.0300000.0300000.0300000.0400000.0400000.0400000.0400000.0400000.0400000.0600000.0700000.0700000.0700000.0731000.0743000.0753000.0778000.0826000.0815000.0797000.0808000.0848000.0896000.0858000.0902000.0911000.0906000.0908000.0917000.0861000.01632000.01620000.0
Percentage of InterestExpense100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.10.10.00.00.00.00.10.20.20.20.20.20.10.10.20.20.20.20.20.20.30.40.40.40.40.40.40.40.40.40.40.50.50.60.60.70.70.80.80.90.81.61.6

us-gaap:InterestExpense us-gaap:StatementBusinessSegments

us-gaap:Corporate


Interest
Period End2021-06-302021-03-31
Value200000.0100000.0
Percentage of InterestExpense100.0100.0
Percentage of Revenues0.10.1
Percentage of Revenues us-gaap:Corporate200.0100.0

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2623643159-34.93132405125474225312124233522262126242914291545101427147.49878.155.0066.22219118.2518.34520101616
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues15.414.133.517.128.2-27.515.116.319.923.514.320.820.813.615.610.412.811.818.411.713.010.914.512.315.37.915.17.922.85.77.415.08.04.555.05.43.64.814.410.47.58.117.89.916.615.9

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2623643159-34.931324051254742253121242335222621
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.099.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0101.9103.8
Percentage of Revenues15.414.133.517.128.2-27.515.116.319.923.514.320.820.813.615.610.412.811.818.411.713.311.4
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Investment Income

us-gaap:NetInvestmentIncome

us-gaap:NetInvestmentIncome


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value18181818191922222121212020191918181819171817181818161718181817171717181718181919202020202021
Percentage of NetInvestmentIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues10.611.29.410.29.415.710.711.110.59.911.98.89.910.39.68.89.49.69.99.39.19.310.09.39.69.59.39.59.19.69.39.79.710.511.411.613.214.114.317.318.519.818.020.320.821.0

us-gaap:NetInvestmentIncome us-gaap:StatementBusinessSegments

eig:CeritySegment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.70.70.60.80.90.80.10.20.00.0
Percentage of NetInvestmentIncome3.83.83.34.34.54.00.40.90.00.0
Percentage of Revenues0.40.40.30.40.40.60.00.10.00.0
Percentage of Revenues eig:CeritySegment63.687.50.0114.339.1-88.90.066.70.00.0

eig:EmployersSegment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value17171717181821212020
Percentage of NetInvestmentIncome95.695.795.694.694.593.596.596.094.994.5
Percentage of Revenues10.210.89.09.68.914.610.410.69.99.4
Percentage of Revenues eig:EmployersSegment10.210.80.09.79.014.40.010.710.09.5

us-gaap:Corporate


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.10.10.20.5
Percentage of NetInvestmentIncome0.50.51.02.5
Percentage of Revenues0.10.10.10.4
Percentage of Revenues us-gaap:Corporate100.0100.050.0-31.2

us-gaap:CorporateNonSegment


Net
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.20.20.50.71.11.2
Percentage of NetInvestmentIncome1.11.02.53.15.15.5
Percentage of Revenues0.10.10.40.30.50.5
Percentage of Revenues us-gaap:CorporateNonSegment100.050.0-31.2116.768.832.4

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value139136110143137172169160154158148170152158148182160166144162167164166169157159162175152176186159165159731441351281111051039790918185
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues81.183.157.978.964.9135.780.379.775.771.983.074.574.984.473.686.383.185.074.984.283.185.690.584.882.689.884.291.476.393.697.086.791.395.645.995.498.198.680.893.494.394.280.190.181.884.6

us-gaap:OperatingExpenses us-gaap:StatementBusinessSegments

eig:CeritySegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2.73.74.83.94.33.84.34.14.13.5
Percentage of OperatingExpenses1.92.74.32.73.12.22.52.62.72.2
Percentage of Revenues1.62.32.52.12.03.02.02.02.01.6
Percentage of Revenues eig:CeritySegment245.5462.50.0557.1187.0-422.20.01366.70.00.0

eig:EmployersSegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value135128106138133167162153152152
Percentage of OperatingExpenses97.394.696.096.297.297.095.995.898.696.4
Percentage of Revenues78.978.755.676.063.0131.777.076.374.669.4
Percentage of Revenues eig:EmployersSegment79.479.10.076.463.8129.10.076.675.270.5

us-gaap:Corporate


Operating
Period End2021-06-302021-03-312020-06-302020-03-31
Value1.13.6-0.41.3
Percentage of OperatingExpenses0.82.6-0.30.8
Percentage of Revenues0.62.2-0.21.0
Percentage of Revenues us-gaap:Corporate1100.03600.0-100.0-81.2

us-gaap:CorporateNonSegment


Operating
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value1.5-0.41.32.7-1.92.2
Percentage of OperatingExpenses1.0-0.30.81.7-1.21.4
Percentage of Revenues0.8-0.21.01.3-0.91.0
Percentage of Revenues us-gaap:CorporateNonSegment750.0-100.0-81.2450.0-118.859.5

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value8.8-36.13.46.763-23.7-2.81429378.8-9.2-11.3-35.4-1.00.37.78.0-43.1-5.219196.5-12.4-25.88.45.225-6.909108.1-0.7963.455-41.3-0.491-10.138143.234.8880.9181618
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues5.1-22.11.83.730.0-18.7-1.37.414.516.94.9-4.0-5.5-18.8-0.50.14.04.1-22.3-2.79.610.33.5-6.2-13.54.72.7-3.65.04.3-0.41.9-22.7-0.3-6.49.82.33.80.714.616.6

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value8.8-36.16.763-23.7142937-9.2-11.3-35.40.37.88.0-5.21919
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0101.3100.0100.0100.0100.0
Percentage of Revenues5.1-22.13.730.0-18.77.414.516.9-4.0-5.5-18.80.14.04.1-2.79.610.3
Percentage of Revenues us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Income

us-gaap:OtherIncome

us-gaap:OtherIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value200000.0400000.0300000.0-100000.0300000.0300000.0300000.0300000.00400000.0800000.0200000.0100000.00300000.0400000.0100000.0000500000.0100000.0100000.000100000.034000.048000.0171000.055000.0663000.029000.0144000.0103000.082000.030000.0114000.081000.0247000.082000.03000.0120000.049000.0393000.0207000.00
Percentage of OtherIncome100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0100.00.00.00.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Revenues0.10.20.2-0.10.10.20.10.10.00.20.40.10.00.00.10.20.10.00.00.00.20.10.10.00.00.10.00.00.10.00.30.00.10.10.10.00.10.10.20.10.00.10.00.40.20.0

us-gaap:OtherIncome us-gaap:StatementBusinessSegments

eig:EmployersSegment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value200000.0400000.0300000.0-100000.0300000.0300000.0300000.0300000.00400000.0
Percentage of OtherIncome100.0100.0100.0100.0100.0100.0100.0100.00.0100.0
Percentage of Revenues0.10.20.2-0.10.10.20.10.10.00.2
Percentage of Revenues eig:EmployersSegment0.10.20.0-0.10.10.20.00.10.00.2

Policyholder Benefits And Claims Incurred Net

us-gaap:PolicyholderBenefitsAndClaimsIncurredNet

us-gaap:PolicyholderBenefitsAndClaimsIncurredNet


Policyholder
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value836947777310497928688861068795851161061098910911110710511510110611012298122136105112108229888807367645956524540
Percentage of PolicyholderBenefitsAndClaimsIncurredNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues48.842.525.142.434.682.146.446.242.540.248.446.643.050.742.455.454.955.546.556.555.455.957.458.053.259.957.263.749.264.971.257.762.065.114.365.063.862.253.259.758.657.550.051.845.339.9

us-gaap:PolicyholderBenefitsAndClaimsIncurredNet us-gaap:StatementBusinessSegments

eig:CeritySegment


Policyholder
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.10.00.10.00.00.00.0
Percentage of PolicyholderBenefitsAndClaimsIncurredNet0.10.00.10.00.00.00.0
Percentage of Revenues0.10.00.10.00.00.00.0
Percentage of Revenues eig:CeritySegment9.10.014.30.0-0.00.00.0

eig:EmployersSegment


Policyholder
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value857152797510699959291
Percentage of PolicyholderBenefitsAndClaimsIncurredNet102.3103.0109.4103.1103.4102.3102.4102.5106.6102.8
Percentage of Revenues49.943.827.443.735.884.047.547.445.341.4
Percentage of Revenues eig:EmployersSegment50.344.10.043.936.282.40.047.645.642.1

us-gaap:Corporate


Policyholder
Period End2021-06-302021-03-312020-06-302020-03-31
Value-2.0-2.1-2.5-2.4
Percentage of PolicyholderBenefitsAndClaimsIncurredNet-2.4-3.0-3.4-2.3
Percentage of Revenues-1.2-1.3-1.2-1.9
Percentage of Revenues us-gaap:Corporate-2000.0-2100.0-625.0150.0

us-gaap:CorporateNonSegment


Policyholder
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-2.5-2.5-2.4-2.3-5.7-2.5
Percentage of PolicyholderBenefitsAndClaimsIncurredNet-3.2-3.4-2.3-2.5-6.6-2.8
Percentage of Revenues-1.4-1.2-1.9-1.1-2.8-1.1
Percentage of Revenues us-gaap:CorporateNonSegment-1250.0-625.0150.0-383.3-356.2-67.6

Premiums Earned Net

us-gaap:PremiumsEarnedNet

us-gaap:PremiumsEarnedNet


Premiums
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value13713315114415116716917517517418319217817618118717117517217317617218117917015917217217216716916415914714013111810910092888283807879
Percentage of PremiumsEarnedNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues79.981.879.379.471.7132.280.787.585.979.3102.384.387.293.990.389.188.989.389.089.987.789.998.589.789.489.789.689.686.288.788.489.788.189.088.387.286.084.472.482.080.579.873.879.378.778.4

us-gaap:PremiumsEarnedNet us-gaap:StatementBusinessSegments

eig:CeritySegment


Premiums
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0.20.10.00.10.00.00.0
Percentage of PremiumsEarnedNet0.10.10.00.10.00.00.0
Percentage of Revenues0.10.10.00.00.00.00.0
Percentage of Revenues eig:CeritySegment18.20.00.04.3-0.00.00.0

eig:EmployersSegment


Premiums
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value136133151144151167169175175174
Percentage of PremiumsEarnedNet99.9100.099.9100.099.9100.0100.0100.0100.0100.0
Percentage of Revenues79.881.879.279.471.6132.280.787.585.979.3
Percentage of Revenues eig:EmployersSegment80.482.30.079.872.5129.70.087.986.680.7

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value17116319118121112721020120422017922820418820121019319619319220119218419919017719219220018819218318116615915113813013811210910311310199101
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Revenues us-gaap:StatementBusinessSegments

eig:CeritySegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.10.81.20.72.3-0.90.10.30.00.0
Percentage of Revenues0.60.50.60.41.1-0.70.00.10.00.0
Percentage of Revenues0.60.50.60.41.1-0.70.00.10.00.0
Percentage of Revenues eig:CeritySegment100.0100.0100.0100.0100.0100.0100.0100.00.00.0

eig:EmployersSegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value170162189181208129209200202216
Percentage of Revenues99.399.499.399.598.7102.099.499.699.298.3
Percentage of Revenues99.399.499.399.598.7102.099.499.699.298.3
Percentage of Revenues eig:EmployersSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Corporate


Revenuesus-gaap:
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.10.10.4-1.6
Percentage of Revenues0.10.10.2-1.3
Percentage of Revenues0.10.10.2-1.3
Percentage of Revenues us-gaap:Corporate100.0100.0100.0100.0

us-gaap:CorporateNonSegment


Revenuesus-gaap:
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.20.4-1.60.61.63.7
Percentage of Revenues0.10.2-1.30.30.81.7
Percentage of Revenues0.10.2-1.30.30.81.7
Percentage of Revenues us-gaap:CorporateNonSegment100.0100.0100.0100.0100.0100.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value38363864392239854004391240044024395439733919389838683847384038353824383337733824383237963755380638113800376937793764369836433645361735733511358735403506348135143498347934803676
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

srt:ParentCompany


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value121711711027954
Percentage of Assets31.029.326.224.8
Percentage of Assets31.029.326.224.8
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value26332677270928172860285428382864283229012901290729122917289229182925296629322974298729932995308030963091308231263119311130743088309530252971311430853040300730072999299329903178
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets68.669.369.170.771.473.070.971.271.673.074.074.675.375.875.376.176.577.477.777.877.978.879.780.981.381.381.882.782.984.184.484.785.684.784.686.887.286.786.485.685.786.085.986.4

us-gaap:Liabilities us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilitiesus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value4.85.99.46.4
Percentage of Liabilities0.20.20.30.2
Percentage of Assets0.10.10.20.2
Percentage of Assets srt:ParentCompany0.40.50.90.7

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value38363864392239854004391240044024395439733919389838683847384038353824383337733824383237963755380638113800376937793764369836433645361735733511358735403506348135143498347934803676
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilities
Period End2020-12-312019-12-312018-12-312017-12-31
Value121711711027954
Percentage of LiabilitiesAndStockholdersEquity31.029.326.224.8
Percentage of Assets31.029.326.224.8
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312011-03-312010-12-312009-12-312008-12-312007-12-31
Value12031186121211671144105711651160112110711018991956930947917899867840850845803760686568539474485490498444379
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.430.730.929.328.627.029.128.828.427.026.025.424.724.224.723.923.522.622.322.222.121.220.318.215.615.413.614.014.113.60.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value87791151111054165685323-13.7-22.5-13.3-2.010790908274117122103831069012911684833246
Percentage of StockholdersEquity7.36.79.59.69.23.95.65.94.82.2-1.3-2.3-1.4-0.211.39.910.09.58.913.814.512.911.015.615.924.024.617.216.87.412.3
Percentage of Assets2.32.02.92.82.61.11.61.71.30.6-0.3-0.6-0.3-0.12.82.42.42.22.03.13.22.72.22.82.53.73.42.42.30.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value407407404401399397396393389388388385382380381377376372372368366362357346338325318314311306302
Percentage of StockholdersEquity33.834.433.334.434.937.534.033.934.836.238.238.940.040.940.241.141.943.044.343.443.445.147.050.559.460.467.364.162.568.879.8
Percentage of Assets10.610.610.310.110.010.19.99.89.99.89.99.99.99.99.99.89.89.79.99.69.69.59.59.29.39.39.29.08.50.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value0.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.5490.5470.5420.540.5380.5360.5350.535
Percentage of StockholdersEquity0.00.10.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value128312631247119111671115115811341108107510301011970935842832815795777744724700682595502445358319266194104
Percentage of StockholdersEquity106.6106.5102.9102.1102.1105.599.497.898.9100.3101.2102.1101.5100.588.990.890.791.792.587.685.787.289.686.788.382.775.665.253.543.727.5
Percentage of Assets33.432.731.829.929.228.528.928.228.027.126.326.025.124.321.921.721.320.720.619.518.918.518.215.813.812.710.39.27.20.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-575.2-564.7-555.1-537.9-528.6-497.8-455.3-435.6-430.9-415.7-388.2-384.0-384.0-383.7-383.7-383.7-383.7-383.7-383.7-381.2-369.5-363.6-362.6-362.55-362.55-362.55-320.755-228.108-163.722-89.152-75.0
Percentage of StockholdersEquity-47.8-47.6-45.8-46.1-46.2-47.1-39.1-37.5-38.4-38.8-38.1-38.7-40.1-41.2-40.5-41.8-42.7-44.2-45.6-44.8-43.7-45.2-47.7-52.8-63.8-67.2-67.6-46.5-32.8-20.0-19.8
Percentage of Assets-15.0-14.6-14.2-13.5-13.2-12.7-11.4-10.8-10.9-10.5-9.9-9.8-9.9-10.0-10.0-10.0-10.0-10.0-10.2-10.0-9.6-9.6-9.7-9.6-10.0-10.3-9.2-6.6-4.50.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value1078516023713117415414010592101203146567369425867841287056566445103593651349997130140243208201252206201167119139187187188197144
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.82.24.16.03.34.53.93.52.72.32.65.23.81.51.91.81.11.51.82.23.31.91.51.51.71.22.71.61.01.40.92.72.73.74.06.85.95.77.25.95.84.83.40.00.00.05.10.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value119.94139411.4
Percentage of CashAndCashEquivalentsAtCarryingValue6.96.440.754.061.62.5
Percentage of Assets0.30.21.11.01.10.0
Percentage of Assets srt:ParentCompany0.90.84.04.20.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value107851602371321741551401059410220514757747043627059
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.82.24.16.03.34.53.93.52.72.42.65.33.81.51.91.81.11.61.91.6

Short Term Investments

us-gaap:ShortTermInvestments

us-gaap:ShortTermInvestments


Short
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312015-09-302015-06-302015-03-312014-12-31
Value0.31.02645439.30.00.00.00.0250.00.0344.05.55.51516142.00.018189.00.0
Percentage of ShortTermInvestments100.0100.0100.0100.0100.0100.00.00.00.00.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0
Percentage of Assets0.00.00.71.11.10.20.00.00.00.00.60.00.00.90.10.10.10.40.40.40.10.00.50.50.20.0

us-gaap:ShortTermInvestments us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Short
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4.04.03.09.30.00.00.00.00.0
Percentage of ShortTermInvestments15.08.77.0100.00.00.00.00.00.0
Percentage of Assets0.10.10.10.20.00.00.00.00.0
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Short
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-31
Value0.31.02241400.025
Percentage of ShortTermInvestments100.0100.085.091.393.00.0100.0
Percentage of Assets0.00.00.61.01.00.00.6
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.0

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

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, us-gaap:ShortTermInvestments


Short
Period End2020-12-312019-12-312018-12-31
Value4.00.00.0
Percentage of ShortTermInvestments15.00.00.0
Percentage of Assets0.10.00.0
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring us-gaap:ShortTermInvestments0.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:ShortTermInvestments


Short
Period End2020-12-312019-12-312018-12-31
Value220.025
Percentage of ShortTermInvestments85.00.0100.0
Percentage of Assets0.60.00.6
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:FairValueMeasurementsRecurring us-gaap:ShortTermInvestments0.00.00.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value6060636773716975767369596066645346423835
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.61.61.61.71.81.81.71.91.91.81.81.61.61.81.71.41.31.21.11.0

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

us-gaap:Automobiles


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value0.80.90.81.11.21.11.11.11.11.11.11.11.21.21.21.231.2081.3691.7271.9
Percentage of PropertyPlantAndEquipmentGross1.31.51.31.61.61.51.61.41.41.51.61.82.01.81.92.32.63.34.55.3
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.1
Percentage of Assets us-gaap:Automobiles0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ComputerEquipment


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5150535862616066676561545459564538332925
Percentage of PropertyPlantAndEquipmentGross84.483.984.685.985.486.386.387.487.988.989.190.590.488.387.985.381.779.678.071.6
Percentage of Assets1.31.31.41.51.61.61.51.61.71.61.61.41.41.61.51.21.01.00.90.7
Percentage of Assets us-gaap:ComputerEquipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5.55.55.55.36.56.16.06.05.74.73.22.92.94.34.34.3954.4394.3094.3864.285
Percentage of PropertyPlantAndEquipmentGross9.09.18.77.88.98.58.67.97.46.44.64.84.86.46.78.29.510.211.511.9
Percentage of Assets0.10.10.10.10.20.20.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OfficeEquipment


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3.23.43.43.13.02.62.52.52.52.33.31.71.72.32.32.3142.8962.8962.3273.917
Percentage of PropertyPlantAndEquipmentGross5.35.65.44.64.13.63.63.33.33.14.72.82.83.43.64.36.26.96.110.9
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.00.00.10.10.10.10.10.10.1
Percentage of Assets us-gaap:OfficeEquipment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value4442434752494852535151464544393230272624
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.11.11.21.31.31.21.31.41.31.31.21.21.21.10.90.80.80.80.7

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1618192021212123222118162014131524232222232324222320211915161616151414121211111111111113
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.50.50.50.50.60.50.60.60.50.50.40.50.40.40.40.60.60.60.60.60.60.70.60.60.50.60.50.40.40.50.50.40.40.40.40.30.30.30.30.30.30.30.4

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3636363636363636363636363636363636363636363636363636363636363636363636363636363636363636
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.90.91.00.90.91.01.01.00.91.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value13131313131313137.77.77.77.77.87.87.98.08.08.18.28.38.48.48.58.78.88.99.0349.189.3499.5179.6859.881101010101111111212121315
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.40.40.30.30.30.30.30.30.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.20.30.30.30.30.30.30.30.30.30.30.30.40.40.40.4

us-gaap:IntangibleAssetsNetExcludingGoodwill us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:LicensingAgreements


Intangible
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value13137.77.77.77.77.77.77.77.7
Percentage of IntangibleAssetsNetExcludingGoodwill99.399.3100.097.593.990.685.279.572.965.7
Percentage of Assets0.30.30.20.20.20.20.20.20.20.2
Percentage of Assets us-gaap:LicensingAgreements0.00.00.00.00.00.00.00.00.00.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:OtherIntangibleAssets


Finite
Period End2020-12-312019-12-312018-12-312011-12-312010-12-31
Value0.10.10.00.00.0
Percentage of FiniteLivedIntangibleAssetsNet100.0100.00.00.00.0
Percentage of Assets0.00.00.00.00.0
Percentage of Assets us-gaap:OtherIntangibleAssets0.00.00.00.00.0

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value4200000.04400000.04900000.04200000.08100000.08400000.07467000.08292000.05095000.05253000.05216000.0
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.20.20.20.20.10.20.1

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value151617182014151515160.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.40.40.40.50.50.40.40.40.40.40.0

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi

us-gaap:EquitySecuritiesFvNi


Equity
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
Value2572292081882162052562842392301990.0
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets6.75.95.34.75.45.36.47.16.05.85.10.0

us-gaap:EquitySecuritiesFvNi us-gaap:ConsolidatedEntities

srt:ParentCompany


Equity
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.428380.0
Percentage of EquitySecuritiesFvNi0.210.919.40.0
Percentage of Assets0.00.71.00.0
Percentage of Assets srt:ParentCompany0.02.43.80.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value257229208188216205256284239230199
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets6.75.95.34.75.45.36.47.16.05.85.1
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.00.0

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

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, eig:OtherEquities


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3030292532334038287825
Percentage of EquitySecuritiesFvNi11.913.114.113.215.216.215.713.611.734.212.6
Percentage of Assets0.80.80.70.60.80.91.01.00.72.00.6
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring eig:OtherEquities0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, us-gaap:EquitySecuritiesInvestmentSummary


Equity
Period End2020-12-312019-12-312018-12-31
Value208256199
Percentage of EquitySecuritiesFvNi100.0100.0100.0
Percentage of Assets5.36.45.1
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring us-gaap:EquitySecuritiesInvestmentSummary0.00.00.0

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring, us-gaap:IndustrialMiscellaneousAndAllOthers


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value226199179163183172216246211151174
Percentage of EquitySecuritiesFvNi88.186.985.986.884.883.884.386.488.365.887.4
Percentage of Assets5.95.24.64.14.64.45.46.15.33.84.5
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring us-gaap:IndustrialMiscellaneousAndAllOthers0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FinancialInstrument

eig:OtherEquities


Equity
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
Value30302925323340382827250.0
Percentage of EquitySecuritiesFvNi11.913.114.113.215.216.215.713.611.711.912.60.0
Percentage of Assets0.80.80.70.60.80.91.01.00.70.70.60.0
Percentage of Assets eig:OtherEquities0.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:IndustrialMiscellaneousAndAllOthers


Equity
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
Value2261991791631831722162462112021740.0
Percentage of EquitySecuritiesFvNi88.186.985.986.884.883.884.386.488.388.187.40.0
Percentage of Assets5.95.24.64.14.64.45.46.15.35.14.50.0
Percentage of Assets us-gaap:IndustrialMiscellaneousAndAllOthers0.00.00.00.00.00.00.00.00.00.00.00.0

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value5361604951664637343932254947332542363431463840353736232325181717109.9879.206161317181917212019
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.61.51.21.31.71.20.90.91.00.80.71.31.20.90.71.10.90.90.81.21.01.10.91.01.00.60.60.70.50.50.50.30.30.30.50.40.50.50.50.50.60.60.5

us-gaap:OtherAssets us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2020-12-312019-12-312018-12-312017-12-31
Value7.21.60.90.8
Percentage of OtherAssets12.03.42.82.4
Percentage of Assets0.20.00.00.0
Percentage of Assets srt:ParentCompany0.60.10.10.1

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2020-12-312019-12-31
Value152.6
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0
Percentage of Assets0.40.1

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-09-30
Value3300000.03200000.04200000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0
Percentage of Assets0.10.10.1

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-09-30
Value3300000.03200000.03300000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0
Percentage of Assets0.10.10.1

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2021-06-302021-03-312020-09-30
Value3100000.03000000.03200000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0100.0100.0
Percentage of Assets0.10.10.1

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2021-06-302021-03-312020-09-30
Value4700000.04700000.07400000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0100.0100.0
Percentage of Assets0.10.10.2

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value181919202216171717190.0
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.50.50.50.50.60.40.40.40.50.50.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value19202122
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0
Percentage of Assets0.50.50.50.6

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value1200000.01300000.01400000.01500000.0
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312011-03-312010-12-312009-12-312008-12-312007-12-31
Value12031186121211671144105711651160112110711018991956930947917899867840850845803760686568539474485490498444379
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.430.730.929.328.627.029.128.828.427.026.025.424.724.224.723.923.522.622.322.222.121.220.318.215.615.413.614.014.113.60.00.0

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value87791151111054165685323-13.7-22.5-13.3-2.010790908274117122103831069012911684833246
Percentage of StockholdersEquity7.36.79.59.69.23.95.65.94.82.2-1.3-2.3-1.4-0.211.39.910.09.58.913.814.512.911.015.615.924.024.617.216.87.412.3
Percentage of Assets2.32.02.92.82.61.11.61.71.30.6-0.3-0.6-0.3-0.12.82.42.42.22.03.13.22.72.22.82.53.73.42.42.30.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value407407404401399397396393389388388385382380381377376372372368366362357346338325318314311306302
Percentage of StockholdersEquity33.834.433.334.434.937.534.033.934.836.238.238.940.040.940.241.141.943.044.343.443.445.147.050.559.460.467.364.162.568.879.8
Percentage of Assets10.610.610.310.110.010.19.99.89.99.89.99.99.99.99.99.89.89.79.99.69.69.59.59.29.39.39.29.08.50.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value0.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.5490.5470.5420.540.5380.5360.5350.535
Percentage of StockholdersEquity0.00.10.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value128312631247119111671115115811341108107510301011970935842832815795777744724700682595502445358319266194104
Percentage of StockholdersEquity106.6106.5102.9102.1102.1105.599.497.898.9100.3101.2102.1101.5100.588.990.890.791.792.587.685.787.289.686.788.382.775.665.253.543.727.5
Percentage of Assets33.432.731.829.929.228.528.928.228.027.126.326.025.124.321.921.721.320.720.619.518.918.518.215.813.812.710.39.27.20.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-312007-12-31
Value-575.2-564.7-555.1-537.9-528.6-497.8-455.3-435.6-430.9-415.7-388.2-384.0-384.0-383.7-383.7-383.7-383.7-383.7-383.7-381.2-369.5-363.6-362.6-362.55-362.55-362.55-320.755-228.108-163.722-89.152-75.0
Percentage of StockholdersEquity-47.8-47.6-45.8-46.1-46.2-47.1-39.1-37.5-38.4-38.8-38.1-38.7-40.1-41.2-40.5-41.8-42.7-44.2-45.6-44.8-43.7-45.2-47.7-52.8-63.8-67.2-67.6-46.5-32.8-20.0-19.8
Percentage of Assets-15.0-14.6-14.2-13.5-13.2-12.7-11.4-10.8-10.9-10.5-9.9-9.8-9.9-10.0-10.0-10.0-10.0-10.0-10.2-10.0-9.6-9.6-9.7-9.6-10.0-10.3-9.2-6.6-4.50.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Stockholders Equity Including Portion Attributable To Noncontrolling Interest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value12031186121211671144105711651160112110711018991956930947917899867840850845803760726714709686652645587568556521548539473454465474506498490
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets31.430.730.929.328.627.029.128.828.427.026.025.424.724.224.723.923.522.622.322.222.121.220.319.118.718.718.217.317.115.915.615.314.415.315.413.212.813.313.614.414.314.1

us-gaap:StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value121211651018947
Percentage of StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest100.0100.0100.0100.0
Percentage of Assets30.929.126.024.7
Percentage of Assets srt:ParentCompany99.699.599.199.3

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0600000.0549000.0549000.0549000.0547000.0547000.0546000.0544000.0543000.0542000.0541000.0541000.0540000.0540000.0539000.0539000.0538000.0538000.0536000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3633623493491741741741741346464
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets9.39.18.99.14.64.74.64.83.81.91.9

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value407407404401399397396393389388388385382380381377376372372368367363357353352348346344343340338337331329325322321320318317316315314311
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.610.610.310.110.010.19.99.89.99.89.99.99.99.99.99.89.89.79.99.69.69.69.59.39.29.29.29.19.19.29.39.39.29.29.39.09.19.19.29.09.19.19.08.5

us-gaap:AdditionalPaidInCapitalCommonStock us-gaap:ConsolidatedEntities

srt:ParentCompany


Additional
Period End2020-12-312019-12-312018-12-312017-12-31
Value404396388381
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0
Percentage of Assets10.39.99.99.9
Percentage of Assets srt:ParentCompany33.233.837.840.0

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value128312631247119111671115115811341108107510301011970935842832815795777744723700682657634607595568554511502489464451445372366362358340331325319266
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets33.432.731.829.929.228.528.928.228.027.126.326.025.124.321.921.721.320.720.619.518.918.418.217.316.716.015.815.014.713.813.813.412.812.612.710.410.310.410.39.79.59.49.27.2

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:ConsolidatedEntities

srt:ParentCompany


Retained
Period End2020-12-312019-12-312018-12-312017-12-31
Value124711581030842
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0
Percentage of Assets31.828.926.321.9
Percentage of Assets srt:ParentCompany102.598.9100.388.3

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value87791151111054165685323-13.7-22.5-13.3-2.0107909082741171221038377891151061011089890918712912913912412111611599818412710083
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.32.02.92.82.61.11.61.71.30.6-0.3-0.6-0.3-0.12.82.42.42.22.03.13.22.72.22.02.33.02.82.72.92.72.52.52.43.63.73.93.53.53.43.32.82.32.40.00.02.3

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities

srt:ParentCompany


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-31
Value11565-13.7107
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0
Percentage of Assets2.91.6-0.32.8
Percentage of Assets srt:ParentCompany9.55.6-1.311.3

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value575564555537528497455435430415388384384383383383383383383381369363362362362362362362362362362362362362362362358339320268249236228163
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets15.014.614.213.513.212.711.410.810.910.59.99.89.910.010.010.010.010.010.210.09.69.69.79.59.59.59.69.69.69.810.09.910.010.110.310.110.19.79.27.77.16.86.64.5

us-gaap:TreasuryStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Treasury
Period End2020-12-312019-12-312018-12-312017-12-31
Value555455388383
Percentage of TreasuryStockValue100.0100.0100.0100.0
Percentage of Assets14.211.49.910.0
Percentage of Assets srt:ParentCompany45.638.937.840.2

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.55.22.72.42.22.53.32.71.62.43.52.01.82.12.90.81.22.01.51.11.41.8
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.55.22.72.42.22.53.32.71.62.43.52.01.82.12.90.81.22.01.51.11.41.8
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-13.9-11.4-14.30000000000000419121510702220474640463861113025552020223137243358393839384341403629247.238237.3975.3155115-11.8782.117
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-8.1-7.0-7.510.76.012.25.035.010.99.126.320.519.624.619.229.06.215.613.428.810.210.812.415.619.714.017.130.319.720.520.621.224.025.025.624.221.618.85.220.66.85.145.415.1-11.92.1

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value69-39.8-22.7102-51.85630-24.1329.9-139.51656-53.7-32.2-29.2-15.9-32.9-39.5-84.742-6.837-38.7-19.2-81.223-34.468-53.62-20.8-93.887-37.997-75.955-51.051-132.2643.765-2.079-54.3681013.5834152-54.674-33.793324.41
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues40.8-24.3-11.956.4-24.544.314.6-12.016.04.5-77.87.327.9-28.6-16.0-13.8-8.2-16.8-20.4-43.921.0-3.520.5-19.4-10.1-45.812.1-17.9-26.8-11.0-48.8-20.7-41.8-30.7-82.92.5-1.5-41.873.23.238.250.8-48.3-33.232.94.4

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-33.8-23.8-40.0-16.6-3.1-52.5-26.7-11.4-43.8-37.2-10.6-5.9-6.8-9.6-2.4-5.2-12.0-6.4-3.2-15.0-5.60.2-60.3-1.20.9-1.6-11.824-1.767-0.083-1.155-11.1141.908-1.479-0.308-11.206-5.835-20.606-20.817-63.094-21.896-14.562-10.347-15.953-30.478-20.424-7.807
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-19.7-14.5-20.9-9.1-1.5-41.3-12.7-5.7-21.4-16.9-5.9-2.6-3.3-5.1-1.2-2.5-6.2-3.3-1.7-7.8-2.80.1-32.7-0.60.5-0.9-6.1-0.9-0.0-0.6-5.81.0-0.8-0.2-7.0-3.9-14.9-16.0-45.6-19.4-13.3-10.0-14.1-29.9-20.5-7.7

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value22-75.0-77.0105-42.319143411-7.2-103.05790-17.13.827-19.7-8.1
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues13.0-45.8-40.358.0-20.015.16.917.35.4-3.3-57.425.244.1-9.11.913.0-10.2-4.1

Deferred Income Tax Expense Benefit

us-gaap:DeferredIncomeTaxExpenseBenefit

us-gaap:DeferredIncomeTaxExpenseBenefit


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-8.09.512-1.83.0-13.63.5-1.82.94.0-8.66.25.111161.93.03.04.92.93.91.7-10.10.81.91.8-1.190.2951.333-0.973-5.279-2.924-1.404-1.154-0.968-2.356-2.526-5.1493.148-2.57-0.789-1.397-0.3650.6970.2784.07
Percentage of DeferredIncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Depreciation Depletion And Amortization

us-gaap:DepreciationDepletionAndAmortization

us-gaap:DepreciationDepletionAndAmortization


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1900000.01900000.01900000.01900000.02300000.02100000.02500000.02800000.02500000.01200000.01200000.01300000.01800000.02000000.02000000.02000000.02100000.02100000.02100000.02100000.02100000.02200000.02400000.02300000.01900000.01700000.01755000.01732000.01711000.01797000.01756000.01524000.01407000.01393000.01408000.01406000.01373000.01414000.01527000.01474000.01546000.01841000.01621000.01613000.01882000.01982000.0
Percentage of DepreciationDepletionAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-7.011-1.8-6.7-4.1137.3-2.2-6.2126.3-3.2-4.34.2-4.8-18.13.64.02.5-13.75.56.2-2.9-5.01.513-0.2-3.568103.353-4.2092.4434.91-0.731-7.574-0.274-5.682-2.211-4.740.857-3.5811.252-7.8791.0024.185-2.515
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-13.9-11.4-14.30000000000000419121510702220474640463861113025552020223137243358393839384341403629247.238237.3975.3155115-11.8782.117
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-8.1-7.0-7.510.76.012.25.035.010.99.126.320.519.624.619.229.06.215.613.428.810.210.812.415.619.714.017.130.319.720.520.621.224.025.025.624.221.618.85.220.66.85.145.415.1-11.92.1

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2623643159-34.93132405125474225312124233522262126242914291545101427147.49878.155.0066.22219118.2518.34520101616
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues15.414.133.517.128.2-27.515.116.319.923.514.320.820.813.615.610.412.811.818.411.713.010.914.512.315.37.915.17.922.85.77.415.08.04.555.05.43.64.814.410.47.58.117.89.916.615.9

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2623643159-34.931324051254742253121242335222621
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.099.7100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0101.9103.8
Percentage of Revenues15.414.133.517.128.2-27.515.116.319.923.514.320.820.813.615.610.412.811.818.411.713.311.4
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.55.22.82.32.22.43.32.71.72.43.52.11.72.12.90.81.21.91.51.11.41.81.40.50.91.81.7230.8251.8891.596-0.1931.6462.0592.112.1991.41.3011.2411.0040.9821.1160.641.0711.0321.0850.865
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value69-39.8-22.7102-51.85630-24.1329.9-139.51656-53.7-32.2-29.2-15.9-32.9-39.5-84.742-6.837-38.7-19.2-81.223-34.468-53.62-20.8-93.887-37.997-75.955-51.051-132.2643.765-2.079-54.3681013.5834152-54.674-33.793324.41
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues40.8-24.3-11.956.4-24.544.314.6-12.016.04.5-77.87.327.9-28.6-16.0-13.8-8.2-16.8-20.4-43.921.0-3.520.5-19.4-10.1-45.812.1-17.9-26.8-11.0-48.8-20.7-41.8-30.7-82.92.5-1.5-41.873.23.238.250.8-48.3-33.232.94.4

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-33.8-23.8-40.0-16.6-3.1-52.5-26.7-11.4-43.8-37.2-10.6-5.9-6.8-9.6-2.4-5.2-12.0-6.4-3.2-15.0-5.60.2-60.3-1.20.9-1.6-11.824-1.767-0.083-1.155-11.1141.908-1.479-0.308-11.206-5.835-20.606-20.817-63.094-21.896-14.562-10.347-15.953-30.478-20.424-7.807
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues-19.7-14.5-20.9-9.1-1.5-41.3-12.7-5.7-21.4-16.9-5.9-2.6-3.3-5.1-1.2-2.5-6.2-3.3-1.7-7.8-2.80.1-32.7-0.60.5-0.9-6.1-0.9-0.0-0.6-5.81.0-0.8-0.2-7.0-3.9-14.9-16.0-45.6-19.4-13.3-10.0-14.1-29.9-20.5-7.7

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7.27.17.57.57.88.07.17.17.47.36.86.66.76.65.04.94.85.02.72.93.02.91.92.01.91.91.8891.8891.8831.8791.8751.8721.8561.8521.8441.8421.8831.9392.0582.2722.3032.312.3812.4442.5552.555
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1010.0179.03042194.716263.90.00.30.00.00.00.00.02.5115.91.00.00.00.00.00.00.00.00.00.414.06318185119128.5911328174.381
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.00.00.00.0100.0100.0100.0100.00.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Effective Income Tax Rate Continuing Operations

us-gaap:EffectiveIncomeTaxRateContinuingOperations

us-gaap:EffectiveIncomeTaxRateContinuingOperations


Effective
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-30
Value18.516.318.80.1980.230.1980.1810.1620.1840.1720.1290.2420.2390.214-0.007-0.0060.2420.012-0.0650.2250.005-0.0540.109-0.0910.074-0.0310.8070.959-2.455-0.0860.04-0.399-0.006
Percentage of EffectiveIncomeTaxRateContinuingOperations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

eig:RestrictedStockUnitsVestedButUnsettled


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312011-12-31
Value59607.073535.067620.0152640.0140590.0124150.0106250.094074.0106510.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeStockOption


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value65165.071365.0113220.0114420.0115520.0117520.0154020.0160070.0180460.0186210.0190260.0196260.0233550.0247070.0247350.0385550.0395940.0564100.01121500.01521300.01546900.01830800.01788700.01763100.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber0.00.0189.90.00.00.0209.40.00.00.0281.40.00.00.0162.00.00.0401.2903.41431.81644.30.01679.40.0

us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-312014-12-312013-12-31
Value183980.0244950.0105180.0275960.0280000.0280890.09587.0258760.0249140.0273950.096940.0266160.0266540.0266540.097440.0252290.0304680.097236.0110000.0125340.0147440.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber0.00.0176.50.00.00.013.00.00.00.0143.40.00.00.063.80.00.069.288.6118.0156.7

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value199180.0230270.0244340.0266740.0268640.0259480.0241900.0237080.0241160.0246680.0250300.0313180.0313430.0303190.0327070.0331020.0337010.0324380.0319030.0306870.0358350.0406260.0406260.0418190.0428520.0365340.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber0.00.0409.90.00.00.0329.00.00.00.0370.20.00.00.0214.30.00.0230.7257.0288.8380.90.0381.40.00.00.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value24.2123.6523.7122.921.0418.3117.4517.2416.9716.916.14
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312019-12-31
Value152.6
Percentage of DeferredTaxLiabilities100.0100.0

eig:AmortizationOfDeferredGain

eig:AmortizationOfDeferredGain


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value2.02.13.12.52.52.42.22.33.72.52.62.64.22.62.82.53.12.93.03.02.73.12.92.72.92.9-27.04.8314.3-8.1144.74.05.43.63.8444.1564.1164.2034.2624.5194.6864.7924.371
Percentage of AmortizationOfDeferredGain100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:CashTransactionsRelatedToStockBasedCompensation

eig:CashTransactionsRelatedToStockBasedCompensation


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1000000.01700000.000-100000.01900000.0-100000.0-500000.0-100000.03200000.0-100000.0-800000.0-200000.02900000.0-2600000.0200000.0-2700000.01300000.0148000.0-219000.0-36000.0-210000.0-554000.0-94000.00358000.0871000.0
Percentage of CashTransactionsRelatedToStockBasedCompensation100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

eig:CloudComputingArrangementsCF

eig:CloudComputingArrangementsCF


Cloud
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-2400000.0-2600000.0-10400000.0-6500000.0-4200000.0-4500000.0-4700000.0-2600000.0-5500000.0-100000.0-4200000.0-21800000.0000
Percentage of CloudComputingArrangementsCF100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

eig:DeferredReinsuranceGainLptAgreementCfs

eig:DeferredReinsuranceGainLptAgreementCfs


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.99999999999999962.14.32.52.52.42.32.35.42.52.52.66.32.62.82.53.03.02.92.95.73.12.92.79.02.9114.426223.87511133.2833.577733.6463.8284.1564.1634.2034.2624.519-31.7474.7924.3724.35
Percentage of DeferredReinsuranceGainLptAgreementCfs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:FinanceLeaseExpense

eig:FinanceLeaseExpense


Finance
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0100000.00100000.00100000.0100000.0100000.0
Percentage of FinanceLeaseExpense0.0100.00.0100.00.0100.0100.0100.0

eig:IncreaseDecreaseInUnsettledAccountsReceivablAndAccountsPayable

eig:IncreaseDecreaseInUnsettledAccountsReceivablAndAccountsPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value8.25.6-4.643-37.3-5.6-0.4-1.61.5-24.217-2.211-4.727-26.4-13.0180.00.00.00.0
Percentage of IncreaseDecreaseInUnsettledAccountsReceivablAndAccountsPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

eig:IncreaseDecreaseOperatingLeaseLiabilities

eig:IncreaseDecreaseOperatingLeaseLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.7-0.8-1.0-1.35.4-1.00.7-0.7-1.2190.00.00.00.0
Percentage of IncreaseDecreaseOperatingLeaseLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

eig:IncreaseDecreaseOperatingLeaseRightofuseAssets

eig:IncreaseDecreaseOperatingLeaseRightofuseAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value600000.01000000.01100000.01100000.0-5500000.01000000.0-900000.0700000.01100000.0-16800000.00000
Percentage of IncreaseDecreaseOperatingLeaseRightofuseAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

eig:InvestmentsChangeinNetUnrealizedGainsLosses

eig:InvestmentsChangeinNetUnrealizedGainsLosses


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value9.2-36.22212122-99.5128.24468-16.3-0.4-10.8-57.8
Percentage of InvestmentsChangeinNetUnrealizedGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:InvestmentsGrossRealizedGains

eig:InvestmentsGrossRealizedGains


Investments
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
Value191.63.5192.3262.3161.72.63.04.92.97.4
Percentage of InvestmentsGrossRealizedGains100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:InvestmentsGrossRealizedLosses

eig:InvestmentsGrossRealizedLosses


Investments
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
Value1.90.7-51.33.71418-10.63.31.10.5-9.30.50.72.5
Percentage of InvestmentsGrossRealizedLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:NonCancellableObligationsCF

eig:NonCancellableObligationsCF


Non
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value400000.0-100000.0-1200000.0-3500000.01900000.01700000.0-2600000.0-200000.0-2800000.01400000.0-600000.0-15500000.000-2700000.0
Percentage of NonCancellableObligationsCF100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments


Accretion
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-2600000.0-1500000.0-2100000.0-2400000.0-2100000.0-3200000.0-1600000.0-2900000.0-2300000.0-1900000.0-2000000.0-2000000.0-2000000.0-2400000.0-3100000.0-3700000.0-3900000.0-3600000.0-3200000.0-4000000.0-3700000.0-3700000.0-3300000.0-3400000.0-2900000.0-3200000.0-2751000.0-2669000.0-2632000.0-2508000.0-2395000.0-2264000.0-2290000.0-2020000.0-1677000.0-1942000.0-1867000.0-1533000.0-1451000.0-1854000.0-1920000.0-2017000.010343000.0-1088000.0-1737000.0-1413000.0
Percentage of AccretionAmortizationOfDiscountsAndPremiumsInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease

us-gaap:AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease


Allowance
Period End2020-09-302020-06-30
Value3.94.3
Percentage of AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs

us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs


Allowance
Period End2020-09-302020-06-30
Value1600000.0100000.0
Percentage of AllowanceForDoubtfulAccountsReceivableWriteOffs100.0100.0

us-gaap:AvailableForSaleSecuritiesGrossRealizedGains us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesGrossRealizedGains

us-gaap:DebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2.20.72.12.40.64.11.32.30.61.00.10.00.31.80.73.5
Percentage of AvailableForSaleSecuritiesGrossRealizedGains100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesGrossRealizedLosses us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesGrossRealizedLosses

us-gaap:DebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.30.40.499999999999999560.72.6110.30.30.30.41.40.00.32.31.40.7
Percentage of AvailableForSaleSecuritiesGrossRealizedLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments

us-gaap:AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1610211939-61.1172.67.423-25.0155.7-6.01.24.11.12.42.61.66.06.81.22.12.01.22.5081.9179.1673.2593.7941.0753.9340.7940.6111.8381.0052.246180.6471.1020.2349.2820.0080.352
Percentage of AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CapitalizedComputerSoftwareAmortization1

us-gaap:CapitalizedComputerSoftwareAmortization1


Capitalized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3100000.03100000.03200000.02400000.01800000.01600000.01500000.01700000.01100000.01000000.0800000.0000
Percentage of CapitalizedComputerSoftwareAmortization1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:CededPremiumsWritten

us-gaap:CededPremiumsWritten


Ceded
Period End2021-06-302021-03-312020-12-31
Value0.0775-769.8
Percentage of CededPremiumsWritten0.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStockDividendsPerShareDeclared


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.250.250.250.250.250.250.220.220.220.220.20.20.20.20.150.150.150.150.090.090.090.090.060.060.060.060.060.060.060.060.060.060.060.060.060.060.060.060.060.060.060.060.060.060.060.06
Percentage of CommonStockDividendsPerShareDeclared100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossPeriodIncreaseDecrease

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossPeriodIncreaseDecrease


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-30
Value0.10.50.50.09.5100.0
Percentage of DebtSecuritiesAvailableForSaleAllowanceForCreditLossPeriodIncreaseDecrease100.0100.0100.00.0100.0100.00.0

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossPeriodIncreaseDecrease us-gaap:FinancialInstrument

us-gaap:DebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-30
Value0.10.50.50.09.5-10.70.0
Percentage of DebtSecuritiesAvailableForSaleAllowanceForCreditLossPeriodIncreaseDecrease100.0100.0100.00.0100.0-100.00.0

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossRecovery

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossRecovery


Debt
Period End2021-06-302021-03-312020-09-30
Value-100000.0-300000.0300000.0
Percentage of DebtSecuritiesAvailableForSaleAllowanceForCreditLossRecovery100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossSecuritiesSold

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossSecuritiesSold


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value0-200000.00-300000.0-2100000.0
Percentage of DebtSecuritiesAvailableForSaleAllowanceForCreditLossSecuritiesSold0.0100.00.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossWriteoff

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossWriteoff


Debt
Period End2020-12-312020-09-302020-06-302020-03-31
Value-0.50.3-7.410
Percentage of DebtSecuritiesAvailableForSaleAllowanceForCreditLossWriteoff100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value7.17.17.57.88.07.27.17.46.66.76.64.9-4.8-5.014-2.9-2.9
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value7.17.17.57.88.07.27.17.46.66.76.64.9-4.8-5.014-2.9-2.9
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquitySecuritiesFvNiRealizedGain

us-gaap:EquitySecuritiesFvNiRealizedGain


Equity
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value170.9161.722141.11.64.92.55.6
Percentage of EquitySecuritiesFvNiRealizedGain100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquitySecuritiesFvNiRealizedLoss

us-gaap:EquitySecuritiesFvNiRealizedLoss


Equity
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value1.60.33.0117.33.00.80.10.50.40.2
Percentage of EquitySecuritiesFvNiRealizedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquitySecuritiesFvNiUnrealizedGain

us-gaap:EquitySecuritiesFvNiUnrealizedGain


Equity
Period End2020-12-312020-09-302020-06-302019-12-312019-06-302019-03-31
Value183.742156.821
Percentage of EquitySecuritiesFvNiUnrealizedGain100.0100.0100.0100.0100.0100.0

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss

us-gaap:EquitySecuritiesFvNiUnrealizedGainLoss


Equity
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1.88.83.742-69.2-10.36.821-27.4113.5-12.9
Percentage of EquitySecuritiesFvNiUnrealizedGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeasePrincipalPayments


Finance
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0100000.00100000.00100000.00100000.0
Percentage of FinanceLeasePrincipalPayments0.0100.00.0100.00.0100.00.0100.0

us-gaap:GainLossOnSaleOfInvestments

us-gaap:GainLossOnSaleOfInvestments


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1610211939-61.1172.67.423-26.3155.6-8.00.04.11.12.22.11.66.01.5-15.82.01.91.22.1361.7769.1673.2593.7941.0753.8660.7940.4871.8380.9451.778180.6471.1020.234-11.0370.0080.3520.54
Percentage of GainLossOnSaleOfInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GrossInvestmentIncomeOperating

us-gaap:GrossInvestmentIncomeOperating


Gross
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value191919202121232322222221212020191919
Percentage of GrossInvestmentIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-1.13.1-4.36.1-3.6-1.94.50.9-2.2-10.715-0.23.30.72.8-2.7-4.0-3.12.03.0-5.2-4.06.6-6.09.5-1.51.607-0.31212-3.376-7.281-9.188104.4551.424-6.3023.024.886-14.2447.6021.910.467-9.4412.227-1.773-1.468
Percentage of IncreaseDecreaseInAccountsPayableAndAccruedLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable

us-gaap:IncreaseDecreaseInAccruedIncomeTaxesPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-2.5-5.312-4.6113.0-1.63.7-15.96.4114.20.9-8.02.51.7-10.13.24.71.5-2.64.1-6.12.21.6-1.62.0821.0971.9451.382-2.738-3.7731.9930.855-1.9541.178-0.1451.0216.267-1.868-1.347-0.9975.404-0.9631.93-6.327
Percentage of IncreaseDecreaseInAccruedIncomeTaxesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve

us-gaap:IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value-26.5-35.3-72.0-29.3-21.0-1.1-4.5-12.8-27.5-18.6-25.85.8-30.2-8.0-32.814-13.3-2.864-2.3-9.6-5.610-3.4140.60.6-15.5
Percentage of IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInPremiumsReceivable

us-gaap:IncreaseDecreaseInPremiumsReceivable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value7.013-19.1-30.3-3.85.8-30.1-28.9-9.118-20.8-2.63.223-4.7-1.69.818-13.3-12.51511-4.7-6.9191.6-19.225-6.2512815-4.193-1.7233330-2.4768.67930265.0684.389191925-1.919-5.247-6.014
Percentage of IncreaseDecreaseInPremiumsReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInReinsuranceRecoverable

us-gaap:IncreaseDecreaseInReinsuranceRecoverable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-9.1-5.1-16.9-9.7-3.3-5.25.5-5.5-14.7-5.7-8.6-0.4-17.9-6.2-16.7-7.3-12.8-7.7-11.1-6.3-23.2-6.6-6.3-6.2-22.5-9.3-18.28-9.838-35.845-7.359-37.71-21.8192.96-7.206-107.323-7.525-10.367-11.50113-9.083-11.665-11.419152-36.997-10.058-10.004
Percentage of IncreaseDecreaseInReinsuranceRecoverable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInUnearnedPremiums

us-gaap:IncreaseDecreaseInUnearnedPremiums


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.90000000000000214-26.5-15.9-12.316-23.2-9.81.232-19.7-4.28.333-12.8-10.01020-15.3-10.51214-18.2-14.31613-25.048-3.8731916-15.0161.2482824-5.6941332300.7159.1721718-4.035-1.14-4.2290.312
Percentage of IncreaseDecreaseInUnearnedPremiums100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value0.3305530.4516080.0010390.230980.1856530.4586530.0005110.3711660.372930.5117920.0123310.4099140.3426830.4899390.4901850.5234610.6375830.4993450.4145740.4491320.3401970.4405150.7131410.5179630.5124810.5806480.8194460.5619030.4751590.2044580.1481840.176886120.12820.2029481070.132942
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements eig:DilutiveSecurities

us-gaap:EmployeeStockOption


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-30
Value0.0268190.03453-0.0026160.027490.0255240.064539-0.0024720.0808890.0788360.080138-0.0040970.104450.1003570.1009140.1804210.2300490.2256640.1928270.1934480.2385820.2457080.3114360.3108990.202010.2134960.2773760.4579090.2998170.2596140.109152
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements8.17.6-251.811.913.714.1-483.821.821.115.7-33.225.529.320.636.843.935.438.646.753.172.270.743.639.041.747.855.953.454.653.4

us-gaap:PerformanceShares


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-30
Value0.2428610.3446150.0067050.195860.144710.3318060.0069090.2556630.2336350.3466240.0147610.2536120.2021490.3040470.243470.2356170.3098910.2386330.1782540.1390330.0726120.0885430.322850.279550.2639250.2141210.2842170.2097950.1384950.0432410.0202290.0018470.00.0
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements73.576.3645.384.877.972.31352.168.962.667.7119.761.959.062.149.745.048.647.843.031.021.320.145.354.051.536.934.737.329.121.113.71.00.00.0

us-gaap:RestrictedStockUnitsRSU


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-30
Value0.0608730.072463-0.003050.007630.0154190.062308-0.0039260.0346140.0604590.085030.0016670.0518520.0401770.0849780.0662940.0577950.1020280.0678850.0428720.0715170.0218770.0405360.0793920.0364030.035060.0891510.077320.0552150.0857480.0468270.045570.084822120.052320.1101011070.120092
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements18.416.0-293.63.38.313.6-768.39.316.216.613.512.611.717.313.511.016.013.610.315.96.49.211.17.06.815.49.49.818.022.930.848.0100.040.854.3100.090.3

us-gaap:InsuranceCommissions

us-gaap:InsuranceCommissions


Insurance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1816181919212021232221242423242321212021212022212218202020201919201818141613131011109.4169.9719.1769.905
Percentage of InsuranceCommissions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InsuranceCommissions us-gaap:StatementBusinessSegments

eig:EmployersSegment


Insurance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value18161819192120212322
Percentage of InsuranceCommissions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeDividend us-gaap:InvestmentType

us-gaap:InvestmentIncomeDividend

us-gaap:EquitySecurities


Investment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value900000.0900000.01100000.01100000.01300000.02800000.01900000.01900000.01500000.01700000.01600000.01700000.01700000.01700000.01800000.02000000.01700000.01800000.01900000.01900000.01700000.01200000.01100000.01153000.01025000.01054000.0953000.01079000.0950000.0947000.0837000.0968000.0856000.0
Percentage of InvestmentIncomeDividend100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherInvestments


Investment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value300000.0200000.0700000.0700000.0600000.0400000.000
Percentage of InvestmentIncomeDividend33.322.263.663.646.214.30.00.0

us-gaap:ShortTermInvestments


Investment
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value0200000.0600000.0300000.0100000.000
Percentage of InvestmentIncomeDividend0.022.254.527.37.70.00.0

us-gaap:InvestmentIncomeInterest us-gaap:InvestmentType

us-gaap:InvestmentIncomeInterest

us-gaap:CashAndCashEquivalents


Investment
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.00.10.20.20.20.50.50.5
Percentage of InvestmentIncomeInterest0.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecurities


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value181817171819212020201918191818171717171617161717171617171717171717171817
Percentage of InvestmentIncomeInterest0.00.00.017600.09350.09650.010550.04040.04040.04080.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:InvestmentIncomeInvestmentExpense

us-gaap:InvestmentIncomeInvestmentExpense


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value1500000.01100000.01200000.01600000.01100000.01600000.01200000.01200000.01200000.01000000.0800000.01000000.0900000.0900000.0800000.0800000.0900000.0900000.0800000.0800000.0700000.0800000.0700000.0600000.0700000.0600000.0629000.0709000.0643000.0600000.0648000.0635000.0610000.0713000.0630000.0645000.0619000.0635000.0563000.0637000.0603000.0605000.0621000.0601000.0588000.0
Percentage of InvestmentIncomeInvestmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InvestmentIncomeNet

us-gaap:InvestmentIncomeNet


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value181818181919222221212120201919181818191718171818181617181818171717171817181819192020202020
Percentage of InvestmentIncomeNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value900000.01100000.01300000.01500000.01100000.01400000.01300000.01400000.01300000.01400000.0
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1


Liability
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-12-31
Value154.73226176.94332237.43631205.93123174.73523144.73123194.2314.532
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1


Liability
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-12-31
Value8797747276956669829671718694737592102748391104818516898738758
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1


Liability
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-12-31
Value8571527975106999592918910994988811910911192111119110108118256109125126152
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityCommitmentFeeAmount

us-gaap:LineOfCreditFacilityCommitmentFeeAmount


Line
Period End2021-06-302021-03-31
Value025000.0
Percentage of LineOfCreditFacilityCommitmentFeeAmount0.0100.0

us-gaap:LineOfCreditFacilityCommitmentFeeAmount us-gaap:Range

srt:Maximum


Line
Period End2021-06-302021-03-31
Value0225000.0
Percentage of LineOfCreditFacilityCommitmentFeeAmount0.0900.0

us-gaap:LineOfCreditFacilityCommitmentFeePercentage

us-gaap:LineOfCreditFacilityCommitmentFeePercentage


Line
Period End2021-06-302021-03-31
Value00.3
Percentage of LineOfCreditFacilityCommitmentFeePercentage0.0100.0

us-gaap:LineOfCreditFacilityCommitmentFeePercentage us-gaap:Range

srt:Maximum


Line
Period End2021-06-302021-03-31
Value00.5
Percentage of LineOfCreditFacilityCommitmentFeePercentage0.0166.7

srt:Minimum


Line
Period End2021-06-302021-03-31
Value00.2
Percentage of LineOfCreditFacilityCommitmentFeePercentage0.066.7

us-gaap:LineOfCreditFacilityPeriodicPaymentInterest

us-gaap:LineOfCreditFacilityPeriodicPaymentInterest


Line
Period End2021-06-30
Value100000.0
Percentage of LineOfCreditFacilityPeriodicPaymentInterest100.0

us-gaap:OperatingLeaseExpense

us-gaap:OperatingLeaseExpense


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value900000.01100000.01300000.01400000.01100000.01300000.01300000.01300000.01200000.01300000.0
Percentage of OperatingLeaseExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseImpairmentLoss

us-gaap:OperatingLeaseImpairmentLoss


Operating
Period End2020-12-312020-09-30
Value100000.0700000.0
Percentage of OperatingLeaseImpairmentLoss100.0100.0

us-gaap:OperatingLeasePayments

us-gaap:OperatingLeasePayments


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value800000.01100000.01300000.01400000.01100000.01300000.01300000.01300000.01200000.01300000.0
Percentage of OperatingLeasePayments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value11-45.74.38.580-29.9-3.618374711-11.6-14.3-44.9-3.40.5
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax us-gaap:FinancialInstrument

us-gaap:DebtSecurities


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value11-45.64.68.579-29.9-3.618374711-11.6-14.3-44.9-13.1-1.9
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax100.099.8107.0100.099.5100.0100.0100.0100.0100.0100.0100.0100.0100.0385.3-380.0

us-gaap:ShortTermInvestments


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value0.0-0.1-0.30.00.4
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax0.00.2-7.00.00.5

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-30
Value1600000.0600000.01300000.05900000.0-5500000.01600000.0200000.0500000.000-400000.02700000.0700000.01400000.01000000.03900000.01000000.01300000.01200000.0800000.01154000.05959000.02118000.0699000.02513000.0516000.01195000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value400000.0200000.0-1400000.0400000.01600000.0-1400000.0-1400000.0400000.0100000.0100000.0500000.000-100000.001400000.0400000.0800000.0700000.0600000.02100000.0500000.0-5500000.0700000.0700000.0400000.0747000.0622000.03208000.01141000.01328000.0376000.01353000.0278000.0172000.0643000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncomeLossTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-2.39.6-0.9-1.8-16.86.20.7-3.9-7.9-9.9122.43.0-9.5-2.40.212-4.3-23.2-2.931-10.7
Percentage of OtherComprehensiveIncomeLossTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value10-35.51.68.069-29.2-5.11629379.2-9.2-11.3-35.8-5.83.08.49.4-49.0-4.223203.2-11.1-24.69.2-4.006-5.7551610-4.5244.154-38.7870.025-13.103163.8446.044-0.3711618
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value-2.79.4-1.3-2.2-18.47.60.5-4.3-8.0-10.027-2.4-3.0-9.6-2.41.64.55.1-22.5-2.31211-2.1-5.9-13.35.03.561-3.0998.6415.5030.9012.236-20.8860.014-5.2888.6392.073.2556.229.11810-1.53-19.982128.162
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherExpenses

us-gaap:OtherExpenses


Other
Period End2021-06-302021-03-312020-12-312020-09-302018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0.12.90.10.70.00.00.07.50.00.00.00.0
Percentage of OtherExpenses100.0100.0100.0100.00.00.00.0100.00.00.00.00.0

us-gaap:OtherExpenses us-gaap:StatementBusinessSegments

eig:EmployersSegment


Other
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.12.90.00.7
Percentage of OtherExpenses100.0100.00.0100.0

us-gaap:OtherUnderwritingExpense

us-gaap:OtherUnderwritingExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value37464346444650454347403840393733323534313336373132333031333329323231302929322325262522252532
Percentage of OtherUnderwritingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherUnderwritingExpense us-gaap:StatementBusinessSegments

eig:CeritySegment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2.63.74.7000000000000023.84.33.84.34.14.13.5
Percentage of OtherUnderwritingExpense7.07.910.88.29.68.18.49.19.47.4

eig:EmployersSegment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value31373438383941363539
Percentage of OtherUnderwritingExpense85.180.080.483.285.783.982.179.982.082.7

us-gaap:Corporate


Other
Period End2021-06-302021-03-312020-06-302020-03-31
Value2.95.62.13.7
Percentage of OtherUnderwritingExpense7.812.04.77.9

us-gaap:CorporateNonSegment


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value4.02.13.75.03.84.7
Percentage of OtherUnderwritingExpense8.64.77.911.08.79.9

us-gaap:PaymentsForLossesAndLossAdjustmentExpense

us-gaap:PaymentsForLossesAndLossAdjustmentExpense


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-12-31
Value1031021079993102109102105104108102106100105981091071101061061091121091871021049190
Percentage of PaymentsForLossesAndLossAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9424318213796228108767895163114126231188201631381411289310292127881688477121941731281219018487751081235137231081012636
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesEquity


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value90192.02760892118518164811136.8233.15.15.6103.92.3327.412578.08.8936.3536.3747.8388.4413.868125.3282.6745.0365.24818162.2181.0421.05417-0.0010.00.455
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:PaymentsToAcquireOtherInvestments

us-gaap:PaymentsToAcquireOtherInvestments


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value3.45.63.700000000000001-0.32.22.73.5222.00.00.00.0
Percentage of PaymentsToAcquireOtherInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:PaymentsToAcquireOtherPropertyPlantAndEquipment

us-gaap:PaymentsToAcquireOtherPropertyPlantAndEquipment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.31.11.00.71.91.9-0.34.13.54.82.6-2.57.22.90.41.92.43.51.11.52.20.24.11.84.70.90.7896.0621.0011.447-1.8362.3461.8511.355-0.0611.8511.1882.1381.0960.9881.740.8630.2210.023
Percentage of PaymentsToAcquireOtherPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireShortTermInvestments

us-gaap:PaymentsToAcquireShortTermInvestments


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value0.31742760.00.0-0.10.1240.00.0340.00.10.27.92.08.00.00.0-18.5
Percentage of PaymentsToAcquireShortTermInvestments100.0100.0100.0100.00.00.0100.0100.0100.00.00.0100.00.0100.0100.0100.0100.0100.00.00.0100.0

us-gaap:PaymentsToDevelopSoftware

us-gaap:PaymentsToDevelopSoftware


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-31
Value700000.0500000.0900000.0700000.0800000.0800000.0700000.0900000.0800000.0800000.0300000.0
Percentage of PaymentsToDevelopSoftware100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PremiumsReceivableAllowanceForDoubtfulAccountsPeriodIncreaseDecrease

us-gaap:PremiumsReceivableAllowanceForDoubtfulAccountsPeriodIncreaseDecrease


Premiums
Period End2021-06-302021-03-312020-06-302020-03-31
Value1.93.34.34.1
Percentage of PremiumsReceivableAllowanceForDoubtfulAccountsPeriodIncreaseDecrease100.0100.0100.0100.0

us-gaap:PremiumsReceivableAllowanceForDoubtfulAccountsRecoveries

us-gaap:PremiumsReceivableAllowanceForDoubtfulAccountsRecoveries


Premiums
Period End2021-06-302021-03-31
Value2400000.01800000.0
Percentage of PremiumsReceivableAllowanceForDoubtfulAccountsRecoveries100.0100.0

us-gaap:PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance

us-gaap:PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance


Premiums
Period End2021-06-302021-03-312020-06-302020-03-31
Value100000.0100000.0100000.04800000.0
Percentage of PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance100.0100.0100.0100.0

us-gaap:PremiumsWrittenGross

us-gaap:PremiumsWrittenGross


Premiums
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value147148123131140184143166176210
Percentage of PremiumsWrittenGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PremiumsWrittenGross us-gaap:StatementBusinessSegments

eig:CeritySegment


Premiums
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.30.30.20.10.00.00.00.10.00.0
Percentage of PremiumsWrittenGross0.20.20.20.10.00.00.00.10.00.0

eig:EmployersSegment


Premiums
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value146148123131140184143166176210
Percentage of PremiumsWrittenGross99.899.899.899.9100.0100.0100.099.9100.0100.0

us-gaap:PremiumsWrittenNet

us-gaap:PremiumsWrittenNet


Premiums
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312013-03-31
Value146146122129139183142165175208678
Percentage of PremiumsWrittenNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PremiumsWrittenNet us-gaap:StatementBusinessSegments

eig:CeritySegment


Premiums
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.30.30.20.10.00.00.00.10.00.0
Percentage of PremiumsWrittenNet0.20.20.20.10.00.00.00.10.00.0

eig:EmployersSegment


Premiums
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value145146122129139183142165175208
Percentage of PremiumsWrittenNet99.899.899.899.9100.0100.0100.099.9100.0100.0

us-gaap:ProceedsFromLinesOfCredit

us-gaap:ProceedsFromLinesOfCredit


Proceeds
Period End2021-06-302021-03-31
Value1512
Percentage of ProceedsFromLinesOfCredit100.0100.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value88116115886886-3.216384653410710878566233638553306110957718592575842586246392548294621550.04929502320
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments

us-gaap:ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2.82519158.9660.00.00.0250.10.0344.01.50.1108.50.00.00.00.0
Percentage of ProceedsFromSaleMaturityAndCollectionOfShorttermInvestments100.0100.0100.0100.0100.0100.00.00.00.0100.0100.00.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value847434642922015524351351.534133681381527200.069421836500.05.6434.2042.9673519320.7060.0274241282181.407742224173921
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesEquity


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value768.01.7728286152656.08.712341310263.25.65.8104.63926135.18.18.28.9256.326137.8728.3863.909135.2842.6445.0865.4193.4971.9862.3091.0851.09617-0.0010.00.568
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:ProvisionForDoubtfulAccounts

us-gaap:ProvisionForDoubtfulAccounts


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-400000.01400000.0400000.02300000.04200000.0-300000.0-1100000.0-900000.0900000.0-1000000.0-1200000.0400000.0-2500000.00100000.00500000.0-400000.0-900000.0800000.0300000.0-2600000.0600000.01300000.01200000.01200000.00-423000.0334000.0285000.0215000.0-661000.0-526000.0-271000.0-599000.0-1847000.0-1036000.0-1093000.0365000.0
Percentage of ProvisionForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReinsuranceRecoverableAllowanceForCreditLossPeriodIncreaseDecrease

us-gaap:ReinsuranceRecoverableAllowanceForCreditLossPeriodIncreaseDecrease


Reinsurance
Period End2021-06-302020-12-312020-09-302020-06-302020-03-31
Value200000.0000400000.0
Percentage of ReinsuranceRecoverableAllowanceForCreditLossPeriodIncreaseDecrease100.00.00.00.0100.0

us-gaap:RepaymentsOfFederalHomeLoanBankBorrowings

us-gaap:RepaymentsOfFederalHomeLoanBankBorrowings


Repayments
Period End2021-06-302021-03-31
Value155.0
Percentage of RepaymentsOfFederalHomeLoanBankBorrowings100.0100.0

us-gaap:RepaymentsOfLinesOfCredit

us-gaap:RepaymentsOfLinesOfCredit


Repayments
Period End2021-06-302021-03-31
Value1512
Percentage of RepaymentsOfLinesOfCredit100.0100.0

us-gaap:RepaymentsOfLongTermCapitalLeaseObligations

us-gaap:RepaymentsOfLongTermCapitalLeaseObligations


Repayments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value0100000.00100000.00100000.00100000.00100000.00100000.00100000.00100000.0-100000.00
Percentage of RepaymentsOfLongTermCapitalLeaseObligations0.0100.00.0100.00.0100.00.0100.00.0100.00.0100.00.0100.00.0100.0100.00.0

us-gaap:RestrictedStockSharesIssuedNetOfSharesForTaxWithholdings us-gaap:StatementEquityComponents

us-gaap:RestrictedStockSharesIssuedNetOfSharesForTaxWithholdings

us-gaap:CommonStock


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value57664.0170150.022991.0010930.0154720.0009510.0167560.065657.003708.0154040.035838.08934.06763.0110290.0008096.042595.0
Percentage of RestrictedStockSharesIssuedNetOfSharesForTaxWithholdings100.0100.0100.00.0100.0100.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0

us-gaap:RestrictedStockValueSharesIssuedNetOfTaxWithholdings

us-gaap:RestrictedStockValueSharesIssuedNetOfTaxWithholdings


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-1200000.0-2500000.05400000.000-2700000.06400000.000-3200000.05800000.000-2900000.04300000.0-200000.00-1900000.01200000.000-600000.0
Percentage of RestrictedStockValueSharesIssuedNetOfTaxWithholdings100.0100.0100.00.00.0100.0100.00.00.0100.0100.00.00.0100.0100.0100.00.0100.0100.00.00.0100.0

us-gaap:RestrictedStockValueSharesIssuedNetOfTaxWithholdings us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-1200000.0-2500000.05400000.000-2700000.06400000.000-3200000.05800000.000-2900000.04300000.0-200000.00-1900000.01200000.000-600000.0
Percentage of RestrictedStockValueSharesIssuedNetOfTaxWithholdings100.0100.0100.00.00.0100.0100.00.00.0100.0100.00.00.0100.0100.0100.00.0100.0100.00.00.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod

us-gaap:RestrictedStockUnitsRSU


Share
Period End2020-09-302018-05-312017-07-312017-05-312017-03-312016-09-302016-06-302016-03-312015-05-312015-03-312014-05-312014-03-312013-09-302013-05-312013-03-312012-09-302012-06-302012-03-31
Value013347.01251.011888.072020.00080816.019904.089602.022392.063878.02704.014550.073894.036355.036355.079450.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod0.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod us-gaap:TitleOfIndividual, us-gaap:AwardType

srt:Officer, us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value077320.000105180.00
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod0.00.00.00.00.00.0

srt:Officer, us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value066560.00077560.00
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesIssuedInPeriod0.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-03-31
Value0.00620.0418510.00120.00110.0020.03650.006050.0203940.0038860.00130.0060.0372910.0135250.0002750.1380520.0019980.1300210.0370050.1013030.0460550.1765350.2622390.1380370.0416690.1527040.1310560.004360.0069680.0992660.00990.067190.2080580.0263910.1096560.0702170.00510.0256290.0003150.092646
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:CommonStock


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.00620.0418510.00120.00110.0020.03650.006050.0203940.0038860.00130.0060.0372910.0135250.0002750.1380520.0019980.1300210.0370050.1013030.0460550.1765350.262239
Percentage of StockIssuedDuringPeriodSharesStockOptionsExercised100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value200000.0900000.0000800000.0100000.0500000.0100000.0100000.0100000.0800000.0200000.002700000.002700000.0600000.01900000.0900000.02800000.04000000.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value200000.0900000.0000800000.0100000.0500000.0100000.0100000.0100000.0800000.0200000.002700000.002700000.0600000.01900000.0900000.02800000.04000000.0
Percentage of StockIssuedDuringPeriodValueStockOptionsExercised100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense


Supplemental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-12-31
Value8785929499110111115116113115121111110106119109111109111121110117118252107124124147
Percentage of SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense


Supplemental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-03-312013-12-31
Value-1.6-13.9-39.7-14.8-23.6-3.511-20.2-23.7-22.225-11.9-16.5-12.4-18.0-0.2-0.30.0160.8-2.0-0.38.5-0.13.31.70.5291.85.137
Percentage of SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense us-gaap:ShortdurationInsuranceContractsAccidentYear

us-gaap:ShortDurationInsuranceContractAccidentYear2020


Supplemental
Period End2021-06-30
Value8.0
Percentage of SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense-500.0

us-gaap:ShortDurationInsuranceContractsAccidentYear2017


Supplemental
Period End2021-06-30
Value-9.6
Percentage of SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense600.0

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense us-gaap:StatementBusinessSegments

eig:RelatedtoInvoluntaryAssignedRiskBusiness


Supplemental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0-0.5-1.00.2-0.1-0.5-0.20.3-0.2-0.40.10.0-0.4
Percentage of SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense-0.03.62.5-1.40.414.31.0-1.30.9-1.6-0.8-0.03.2

eig:RelatedtoVoluntaryRiskBusiness


Supplemental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-1.6-13.4-38.7-15.0-23.5-3.0-20.0-24.0-22.0-25.0-12.0-16.5-12.0
Percentage of SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense100.096.497.5101.499.685.799.0101.399.1-98.4100.8100.096.8

us-gaap:TradingSecuritiesUnrealizedHoldingGainLoss us-gaap:FinancialInstrument

us-gaap:TradingSecuritiesUnrealizedHoldingGainLoss

us-gaap:OtherInvestments


Trading
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-0.10.7-0.4-0.2-0.3-0.40.9-0.2
Percentage of TradingSecuritiesUnrealizedHoldingGainLoss100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShortTermInvestments


Trading
Period End2021-06-302021-03-312020-09-302020-06-30
Value0.0-0.10.00.4
Percentage of TradingSecuritiesUnrealizedHoldingGainLoss-0.0-14.3-0.0-133.3

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302016-12-312016-09-302016-06-302016-03-31
Value109.6179.33042194.715274.30.00.32.5115.91.0
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302016-12-312016-09-302016-06-302016-03-31
Value109.6179.33042194.715274.30.00.32.5115.91.0
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization

us-gaap:UtilitiesOperatingExpenseDepreciationAndAmortization


Utilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-31
Value1900000.01900000.01900000.01900000.02300000.02100000.02500000.02800000.02600000.01100000.01900000.0
Percentage of UtilitiesOperatingExpenseDepreciationAndAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


Entity
Period End2021-02-11
Value28
Percentage of EntityCommonStockSharesOutstanding100.0

eig:AccumulatedOtherComprehensiveIncomeDeferredTaxOnNetUnrealizedGains

eig:AccumulatedOtherComprehensiveIncomeDeferredTaxOnNetUnrealizedGains


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value2321302927111718146.3-3.6-5.9-3.5-0.5284848444063665545414862575458534849476969756765626254456855
Percentage of AccumulatedOtherComprehensiveIncomeDeferredTaxOnNetUnrealizedGains100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesBeforeTax

eig:AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesBeforeTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value1111001451411325282866729-17.3-28.4-16.8-2.5136139138126114180189159128118137177164156167151139140135198199214192187179178153129195156
Percentage of AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:CashEquivalentsMeasuredatNetAssetValue

eig:CashEquivalentsMeasuredatNetAssetValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value75455858517214100686857147852639
Percentage of CashEquivalentsMeasuredatNetAssetValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:Cloudcomputingarrangements

eig:Cloudcomputingarrangements


Cloudcomputingarrangements
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value4949504338363330292526210.0
Percentage of Cloudcomputingarrangements100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

eig:CommisionsAndPremiumTaxesPayable

eig:CommisionsAndPremiumTaxesPayable


Commisions
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value43485755485246454031282623201720
Percentage of CommisionsAndPremiumTaxesPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:ContingentCommissionReceivableLptAgreement

eig:ContingentCommissionReceivableLptAgreement


Contingent
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value1313131313131313323232323231313131313131312929292926262334252521201919
Percentage of ContingentCommissionReceivableLptAgreement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:DeferredReinsuranceGainLptAgreement

eig:DeferredReinsuranceGainLptAgreement


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value121123125129132134137139141147149152154161163166168171174177180186189192195204207218223245249260274277281341345349353357361365370388
Percentage of DeferredReinsuranceGainLptAgreement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:EmployeeContributions100Match

eig:EmployeeContributions100Match


Employee
Period End2020-12-31
Value3.0
Percentage of EmployeeContributions100Match100.0

eig:EmployeeContributions50Match

eig:EmployeeContributions50Match


Employee
Period End2020-12-31
Value3.0
Percentage of EmployeeContributions50Match100.0

eig:EmployeeContributionsMaximumMatch401K

eig:EmployeeContributionsMaximumMatch401K


Employee
Period End2020-12-31
Value5.0
Percentage of EmployeeContributionsMaximumMatch401K100.0

eig:EstimatedRemainingLiabilitiesLptAgreement

eig:EstimatedRemainingLiabilitiesLptAgreement


Estimated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value343348353362368374380385391402408414420432438445451458465472479490498504511527534555565603612633655663672780789798807
Percentage of EstimatedRemainingLiabilitiesLptAgreement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:ImpactoftheLPTAgreement

eig:ImpactoftheLPTAgreement


Impactofthe
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value2.02.12.52.52.42.35.72.52.66.92.62.53.12.93.07.63.117143.14.340
Percentage of ImpactoftheLPTAgreement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:IntangibleAssetsGrossCarryingAmount

eig:IntangibleAssetsGrossCarryingAmount


Intangible
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value23231717171717171717
Percentage of IntangibleAssetsGrossCarryingAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:IntangibleAssetsGrossCarryingAmount us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:LicensingAgreements


Intangible
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value13137.77.77.77.77.77.77.77.7
Percentage of IntangibleAssetsGrossCarryingAmount58.758.745.045.045.045.045.045.045.045.0

eig:InvestmentsCarriedatFairValue

eig:InvestmentsCarriedatFairValue


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value267527162714267727102582274227652756275127212584259826632677
Percentage of InvestmentsCarriedatFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:LetterofCreditCollateralAmount us-gaap:FederalHomeLoanBankAdvancesBranchOfFHLBBank

eig:LetterofCreditCollateralAmount

srt:FederalHomeLoanBankOfSanFrancisco


Letterof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value315355385398398402326
Percentage of LetterofCreditCollateralAmount100.0100.0100.0100.0100.0100.0100.0

eig:LptCollateralHeldInTrustAccount

eig:LptCollateralHeldInTrustAccount


Lpt
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value369341311380355
Percentage of LptCollateralHeldInTrustAccount100.0100.0100.0100.0100.0

eig:NetinvestmentincomePercentageOf dei:LegalEntity

eig:NetinvestmentincomePercentageOf

eig:CerityInsuranceCompanyMemberDomain


Netinvestmentincome
Period End2020-12-31
Value100.0
Percentage of NetinvestmentincomePercentageOf100.0

eig:NonCancellableObligations

eig:NonCancellableObligations


Non
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
Value23242422192123202017182.7
Percentage of NonCancellableObligations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:NumberOfIssuesAvailableForSaleSecuritiesContinousUnrealizedLossPositionLessThanTwelveMonths us-gaap:FinancialInstrument

eig:NumberOfIssuesAvailableForSaleSecuritiesContinousUnrealizedLossPositionLessThanTwelveMonths

us-gaap:DebtSecurities


Number
Period End2020-12-312019-12-312018-12-31
Value199.099.0538.0
Percentage of NumberOfIssuesAvailableForSaleSecuritiesContinousUnrealizedLossPositionLessThanTwelveMonths100.0100.0100.0

eig:PaidLossesAndLaeClaimsRelatedToLpt

eig:PaidLossesAndLaeClaimsRelatedToLpt


Paid
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value828823818813808801796790785779773767761755749742736729722715708702695688682675668660653645637630621613605596588579569
Percentage of PaidLossesAndLaeClaimsRelatedToLpt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:PercentageOfSurplus dei:LegalEntity

eig:PercentageOfSurplus

eig:EmployersPreferredInsuranceCompany


Percentage
Period End2020-12-31
Value10.0
Percentage of PercentageOfSurplus100.0

eig:PercentageOfSurplus2 dei:LegalEntity

eig:PercentageOfSurplus2

eig:EmployersPreferredInsuranceCompany


Percentage
Period End2020-12-31
Value10.0
Percentage of PercentageOfSurplus2100.0

eig:PercentageOfSurplus3 dei:LegalEntity

eig:PercentageOfSurplus3

eig:EmployersPreferredInsuranceCompany


Percentage
Period End2020-12-31
Value10.0
Percentage of PercentageOfSurplus3100.0

eig:PercentageOfTotalLiabiltiesMaintainMinimumOfCapitalAndSurplus dei:LegalEntity

eig:PercentageOfTotalLiabiltiesMaintainMinimumOfCapitalAndSurplus

eig:EmployersAssuranceAndEmployersPreferred


Percentage
Period End2020-12-31
Value10.0
Percentage of PercentageOfTotalLiabiltiesMaintainMinimumOfCapitalAndSurplus100.0

eig:PercentageOfUnassignedGains dei:LegalEntity

eig:PercentageOfUnassignedGains

eig:EmployersPreferredInsuranceCompany


Percentage
Period End2020-12-31
Value25.0
Percentage of PercentageOfUnassignedGains100.0

eig:PercentageOfUnassignedGains2 dei:LegalEntity

eig:PercentageOfUnassignedGains2

eig:EmployersPreferredInsuranceCompany


Percentage
Period End2020-12-31
Value25.0
Percentage of PercentageOfUnassignedGains2100.0

eig:PercentageofNetIncome dei:LegalEntity

eig:PercentageofNetIncome

eig:EmployersCompensationInsuranceCompany


Percentageof
Period End2020-12-31
Value100.0
Percentage of PercentageofNetIncome100.0

eig:Performanceshareawardsexpectedtarget

eig:Performanceshareawardsexpectedtarget


Performanceshareawardsexpectedtarget
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value130.02.01.251.271.822.00.8
Percentage of Performanceshareawardsexpectedtarget100.0100.0100.0100.0100.0100.0100.0

eig:PerformaneShareAwardsMaximumPayout

eig:PerformaneShareAwardsMaximumPayout


Performane
Period End2020-12-312016-12-312015-12-312014-12-31
Value200.02.02.02.0
Percentage of PerformaneShareAwardsMaximumPayout100.0100.0100.0100.0

eig:PoliciesInforce us-gaap:StatementGeographical

eig:PoliciesInforce

country:US


Policies
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
Value107310.0104770.0103510.0103350.0104570.0101430.098684.096900.096021.093864.091498.085494.0
Percentage of PoliciesInforce100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:AllOtherStates


Policies
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
Value52992.051481.050341.049478.048710.046223.044104.042627.041731.040953.040014.037258.0
Percentage of PoliciesInforce49.449.148.647.946.645.644.744.043.543.643.743.6

stpr:CA


Policies
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
Value39656.039264.039610.040567.042705.042794.043079.043465.043813.042973.041988.040573.0
Percentage of PoliciesInforce37.037.538.339.340.842.243.744.945.645.845.947.5

stpr:FL


Policies
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
Value7633.07303.06898.06680.06406.06110.05822.05688.05743.05753.05833.05625.0
Percentage of PoliciesInforce7.17.06.76.56.16.05.95.96.06.16.46.6

stpr:NY


Policies
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
Value7033.06724.06657.06625.06753.06302.05679.05120.04734.04185.03663.02038.0
Percentage of PoliciesInforce6.66.46.46.46.56.25.85.34.94.54.02.4

eig:PremiumsInForce us-gaap:StatementGeographical

eig:PremiumsInForce

country:US


Premiums
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
Value559553577592623642664664670674666626
Percentage of PremiumsInForce100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:AllOtherStates


Premiums
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
Value242237251254263264266257255253244223
Percentage of PremiumsInForce43.443.043.542.942.241.240.138.838.137.636.735.6

stpr:CA


Premiums
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
Value251251262273292309329338348353357349
Percentage of PremiumsInForce45.145.445.346.147.048.249.650.951.952.553.655.7

stpr:FL


Premiums
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
Value393837373737363737404141
Percentage of PremiumsInForce7.07.06.66.26.05.85.55.65.56.06.26.7

stpr:NY


Premiums
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
Value252526273031313129262312
Percentage of PremiumsInForce4.54.64.64.74.84.94.84.74.43.93.62.0

eig:PremiumsReceivableFromPolicyholdersForFinalAudit

eig:PremiumsReceivableFromPolicyholdersForFinalAudit


Premiums
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value2.337636458534940196.9
Percentage of PremiumsReceivableFromPolicyholdersForFinalAudit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:ReinsuranceRecoverableFromLptAgreement

eig:ReinsuranceRecoverableFromLptAgreement


Reinsurance
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value353380408438465498534600700800800
Percentage of ReinsuranceRecoverableFromLptAgreement100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:ReinsuranceRecoverablePaidLossesLessAllowance

eig:ReinsuranceRecoverablePaidLossesLessAllowance


Reinsurance
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312012-03-312011-12-312011-09-302011-06-302010-12-31
Value7.67.26.77.28.77.7108.4129.4671010101014
Percentage of ReinsuranceRecoverablePaidLossesLessAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:ReinsuranceRecoverableUnpaidLossesExcludingAllowance

eig:ReinsuranceRecoverableUnpaidLossesExcludingAllowance


Reinsurance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312012-09-302011-12-312010-12-31
Value483492497513523527532527484498504511512531537553559572580591598621628634640663669690699735743735801805798940956
Percentage of ReinsuranceRecoverableUnpaidLossesExcludingAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:ReinsuranceRecoverableUnpaidLossesLessAllowance

eig:ReinsuranceRecoverableUnpaidLossesLessAllowance


Reinsurance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value482491496513523526532527484498504511512531537553559572580591598621628634640663669690699735742805929940927936946956996103310521076
Percentage of ReinsuranceRecoverableUnpaidLossesLessAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:SafeHaborMatchingMaximum

eig:SafeHaborMatchingMaximum


Safe
Period End2020-12-31
Value100.0
Percentage of SafeHaborMatchingMaximum100.0

eig:SafeHarborMatching50

eig:SafeHarborMatching50


Safe
Period End2020-12-31
Value50.0
Percentage of SafeHarborMatching50100.0

eig:ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantsAtGrantDateTotalFairValue us-gaap:AwardType

eig:ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantsAtGrantDateTotalFairValue

us-gaap:PerformanceShares


Share
Period End2020-12-312019-12-312019-09-302018-12-312017-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-12-312014-03-312013-12-312013-03-312012-03-31
Value4000000.0400000.0400000.03900000.03700000.03700000.02700000.02700000.02700000.02700000.02700000.02700000.02700000.02600000.02600000.03300000.03300000.02700000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantsAtGrantDateTotalFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302020-09-302020-06-302019-09-302018-05-312017-07-312017-05-312017-03-312016-09-302016-06-302016-03-312015-09-302015-05-312015-03-312014-05-312014-03-312013-09-302013-05-312013-03-312012-09-302012-06-302012-03-31
Value600000.0600000.0600000.0700000.0500000.0100000.0500000.02700000.02200000.02200000.02200000.02200000.0500000.02200000.0500000.01300000.0100000.0400000.01600000.0600000.0600000.01400000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantsAtGrantDateTotalFairValue0.00.00.0175.00.00.00.073.081.581.581.581.50.081.50.050.00.00.048.50.00.051.9

eig:ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantsAtGrantDateTotalFairValue us-gaap:TitleOfIndividual, us-gaap:AwardType

srt:Officer, us-gaap:PerformanceShares


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value2900000.02900000.04000000.04000000.04000000.03900000.03900000.03900000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantsAtGrantDateTotalFairValue0.00.00.00.00.0975.0975.00.0

srt:Officer, us-gaap:RestrictedStockUnitsRSU


Share
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value2500000.02500000.02900000.02900000.02900000.02900000.02900000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantsAtGrantDateTotalFairValue0.00.00.00.00.0725.00.0

eig:StatutorySurplusPercentageOf dei:LegalEntity

eig:StatutorySurplusPercentageOf

eig:CerityInsuranceCompanyMemberDomain


Statutory
Period End2020-12-312019-12-31
Value10.00.1
Percentage of StatutorySurplusPercentageOf100.0100.0

eig:EmployersCompensationInsuranceCompany


Statutory
Period End2020-12-312019-12-31
Value10.00.1
Percentage of StatutorySurplusPercentageOf100.0100.0

eig:EmployersInsuranceCompanyOfNevada


Statutory
Period End2020-12-312019-12-31
Value10.00.1
Percentage of StatutorySurplusPercentageOf100.0100.0

eig:TotalAvailableforsaleDebtSecuritiesandShortterminvestmentsCost

eig:TotalAvailableforsaleDebtSecuritiesandShortterminvestmentsCost


Total
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-03-312018-12-31
Value23072386236023472361232424912538
Percentage of TotalAvailableforsaleDebtSecuritiesandShortterminvestmentsCost100.0100.0100.0100.0100.0100.0100.0100.0

eig:TotalAvailableforsaleDebtSecuritiesandShortterminvestmentsCost us-gaap:FinancialInstrument

eig:TotalAFSInvestmentsDomain


Total
Period End2020-12-312019-12-312018-12-31
Value236024032538
Percentage of TotalAvailableforsaleDebtSecuritiesandShortterminvestmentsCost100.00.0100.0

us-gaap:ShortTermInvestments


Total
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312018-12-312017-12-31
Value0.31.02645429.3250.0
Percentage of TotalAvailableforsaleDebtSecuritiesandShortterminvestmentsCost0.00.01.11.91.80.41.00.0

eig:TotalAvailableforsaleDebtSecuritiesandShortterminvestmentsUnrealizedGain

eig:TotalAvailableforsaleDebtSecuritiesandShortterminvestmentsUnrealizedGain


Total
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-03-312018-12-31
Value115108148147145874124
Percentage of TotalAvailableforsaleDebtSecuritiesandShortterminvestmentsUnrealizedGain100.0100.0100.0100.0100.0100.0100.0100.0

eig:TotalAvailableforsaleDebtSecuritiesandShortterminvestmentsUnrealizedGain us-gaap:FinancialInstrument

eig:TotalAFSInvestmentsDomain


Total
Period End2020-12-312019-12-312018-12-31
Value1488324
Percentage of TotalAvailableforsaleDebtSecuritiesandShortterminvestmentsUnrealizedGain100.00.0100.0

us-gaap:ShortTermInvestments


Total
Period End2020-12-312020-09-302020-06-302020-03-312018-12-31
Value0.10.40.40.00.0
Percentage of TotalAvailableforsaleDebtSecuritiesandShortterminvestmentsUnrealizedGain0.10.30.30.00.0

eig:TotalAvailableforsaleDebtSecuritiesandShortterminvestmentsUnrealizedLoss

eig:TotalAvailableforsaleDebtSecuritiesandShortterminvestmentsUnrealizedLoss


Total
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-03-312018-12-31
Value4.58.92.36.412341141
Percentage of TotalAvailableforsaleDebtSecuritiesandShortterminvestmentsUnrealizedLoss100.0100.0100.0100.0100.0100.0100.0100.0

eig:TotalAvailableforsaleDebtSecuritiesandShortterminvestmentsUnrealizedLoss us-gaap:FinancialInstrument

eig:TotalAFSInvestmentsDomain


Total
Period End2020-12-312019-12-312018-12-31
Value2.31.241
Percentage of TotalAvailableforsaleDebtSecuritiesandShortterminvestmentsUnrealizedLoss100.00.0100.0

eig:TotalAvailableforsaleinvestments

eig:TotalAvailableforsaleinvestments


Total
Period End2021-06-302021-03-312020-12-312020-09-302019-03-312018-12-31
Value241824862505248825212521
Percentage of TotalAvailableforsaleinvestments100.0100.0100.0100.0100.0100.0

eig:TotalAvailableforsaleinvestments us-gaap:FinancialInstrument

eig:TotalAFSInvestmentsDomain


Total
Period End2020-12-312019-12-312018-12-31
Value250524852521
Percentage of TotalAvailableforsaleinvestments100.00.0100.0

us-gaap:ShortTermInvestments


Total
Period End2020-12-312018-12-31
Value2625
Percentage of TotalAvailableforsaleinvestments1.11.0

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent


Accounts
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2323222323272927232437242321231920212417161924191616202017171820151519161417162919181819
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent us-gaap:ConsolidatedEntities

srt:ParentCompany


Accounts
Period End2020-12-312019-12-312018-12-312017-12-31
Value4.75.05.04.5
Percentage of AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent20.516.813.519.0

us-gaap:AccruedInvestmentIncomeReceivable

us-gaap:AccruedInvestmentIncomeReceivable


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1517151716161617161818191818191920202020201920202019201920192019191919181918192021212323
Percentage of AccruedInvestmentIncomeReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccruedInvestmentIncomeReceivable us-gaap:ConsolidatedEntities

srt:ParentCompany


Accrued
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.20.20.30.3
Percentage of AccruedInvestmentIncomeReceivable1.31.21.71.5

us-gaap:AccruedLiabilitiesForCommissionsExpenseAndTaxes

us-gaap:AccruedLiabilitiesForCommissionsExpenseAndTaxes


Accrued
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-31
Value3938434548474852555357595855555352494850504752494845464746444544424240383528
Percentage of AccruedLiabilitiesForCommissionsExpenseAndTaxes100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent

us-gaap:AllowanceForDoubtfulAccountsReceivableCurrent


Allowance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value11126.8108.13.9108.23.26.02.43.42.51.90.20.81.2
Percentage of AllowanceForDoubtfulAccountsReceivableCurrent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AlternativeInvestment

us-gaap:AlternativeInvestment


Alternative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value2522161213119.14.72.00.0
Percentage of AlternativeInvestment100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries us-gaap:ConsolidatedEntities

us-gaap:AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries

srt:ParentCompany


Amount
Period End2020-12-312019-12-312018-12-312017-12-31
Value11861096873849
Percentage of AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries100.0100.0100.0100.0

us-gaap:AssumedLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense eig:ReinsuranceAgreement

us-gaap:AssumedLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense

eig:LPTAgreement


Assumed
Period End2020-12-31
Value1500
Percentage of AssumedLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value11510814714714487838771412420
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1.00.90.90.70.60.20.91.31.00.40.20.1
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax0.90.80.60.50.40.21.11.51.41.00.80.5

us-gaap:CollateralizedLoanObligations


Available
Period End2021-06-302020-06-302020-03-31
Value0.10.00.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax0.10.00.0

us-gaap:CommercialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value6.05.17.88.17.72.93.24.62.80.50.10.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax5.24.75.35.55.33.33.85.23.91.20.40.0

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value665883817831404132145.85.9
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax57.653.656.355.553.935.648.247.745.434.723.629.4

us-gaap:ForeignGovernmentDebt


Available
Period End2020-12-31
Value0.2
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax0.1

us-gaap:OtherDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1.51.91.50.70.30.11.61.10.50.40.00.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax1.31.71.00.50.20.11.91.30.71.00.00.0

us-gaap:ResidentialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1012161720229.48.65.82.92.21.6
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax8.711.611.311.914.025.311.29.88.26.98.98.0

us-gaap:SovereignDebtSecurities


Available
Period End2020-12-31
Value0.2
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax0.1

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.20.20.30.30.30.30.10.20.20.10.10.2
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax0.20.20.20.20.20.30.10.20.30.20.41.0

us-gaap:USStatesAndPoliticalSubdivisions


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value272733333225262726211511
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax24.025.022.522.722.429.331.431.837.452.462.257.2

us-gaap:USTreasurySecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value2.42.64.04.75.15.11.92.21.91.10.90.8
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax2.12.42.73.23.55.92.32.52.72.63.74.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value4.58.92.36.412341.21.63.6114148
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.30.50.30.60.82.30.10.00.00.20.40.7
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax6.75.613.09.46.56.78.30.00.01.71.01.4

us-gaap:CollateralizedLoanObligations


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.10.20.81.53.58.7
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax2.22.234.823.428.525.3

us-gaap:CommercialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.10.20.10.20.62.30.00.00.00.72.53.5
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax2.22.24.33.14.96.70.00.00.05.96.07.2

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.83.80.31.52.06.50.00.00.43.82124
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax17.842.713.023.416.318.90.00.011.131.951.649.7

us-gaap:ForeignGovernmentDebt


Available
Period End2021-06-302021-03-31
Value0.20.4
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax4.44.5

us-gaap:OtherDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.50.30.52.35.1130.40.81.11.65.70.0
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax11.13.421.735.941.538.133.350.030.613.413.60.0

us-gaap:ResidentialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value2.53.30.30.30.31.20.70.82.04.99.815
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax55.637.113.04.72.43.558.350.055.641.223.431.8

us-gaap:USStatesAndPoliticalSubdivisions


Available
Period End2021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.20.00.30.00.00.00.10.72.5
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax2.20.00.90.00.00.00.81.75.2

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312015-12-312014-12-31
Value2307238523332301231823142403239424502491251324230.022212186
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:ConsolidatedEntities

srt:ParentCompany


Available
Period End2020-12-312019-12-312018-12-31
Value9.62524
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.41.11.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value475042324252605664606467
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis2.12.11.81.41.82.22.52.42.62.42.62.8

us-gaap:CollateralizedLoanObligations


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value858484848483
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis3.73.53.63.73.63.6

us-gaap:CommercialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value86939499108104107100100999698
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis3.73.94.14.34.74.54.54.24.14.03.84.1

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value10531052963949952947103810351066107511061129
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis45.744.141.341.341.140.943.243.343.543.244.046.6

us-gaap:ForeignGovernmentDebt


Available
Period End2021-06-302021-03-312020-12-31
Value12128.0
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.60.50.3

us-gaap:OtherDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value17417516916316416518017917717615548
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis7.67.47.37.17.17.17.57.57.27.16.22.0

us-gaap:ResidentialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value377422444445476476471472459463459437
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis16.417.719.119.420.520.619.619.718.718.618.318.1

us-gaap:SovereignDebtSecurities


Available
Period End2020-12-31
Value8.0
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.3

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value2.82.82.82.82.82.82.82.79.79.81111
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.10.10.10.10.10.10.10.10.40.40.40.5

us-gaap:USStatesAndPoliticalSubdivisions


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value399415449445401397458464478497513518
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis17.317.419.319.317.317.219.119.419.520.020.421.4

us-gaap:USTreasurySecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value677574788686838293107106112
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis2.93.23.23.43.73.73.53.43.84.34.24.7

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax


Available
Period End2020-12-312019-12-312018-12-31
Value14582-17.3
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

us-gaap:DebtSecurities


Available
Period End2020-12-312019-12-312018-12-31
Value2.30.623
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue

us-gaap:DebtSecurities


Available
Period End2020-12-312019-12-312018-12-31
Value205821056
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-302015-12-312014-12-312013-12-312012-12-312011-12-31
Value804814759737636642655587554
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302015-12-312014-12-312013-12-312012-12-312011-12-31
Value853858829804657670676655617
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-302015-12-312014-12-312013-12-312012-12-312011-12-31
Value706682665692859770777641535
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302015-12-312014-12-312013-12-312012-12-312011-12-31
Value746719707735884803812684573
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-302015-12-312014-12-312013-12-312012-12-312011-12-31
Value10110811688252183162201204
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302015-12-312014-12-312013-12-312012-12-312011-12-31
Value10711012393267200169225229
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-302015-12-312014-12-312013-12-312012-12-312011-12-31
Value98129127120113183147113114
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302015-12-312014-12-312013-12-312012-12-312011-12-31
Value99131128122115185149115116
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-302014-12-31
Value596650665662405
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302014-12-31
Value610664689685415
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities

us-gaap:AvailableForSaleSecuritiesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value24182485247924422451236724852480251725212496239424012434246324162418239523442383232623122288232022812360227522902287221121822101207020602024190518921881185219601931194120001960
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:ConsolidatedEntities

srt:ParentCompany


Available
Period End2020-12-312019-12-312018-12-312017-12-31
Value11262441
Percentage of AvailableForSaleSecuritiesDebtSecurities0.41.11.01.7

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

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value4850423341496158656064
Percentage of AvailableForSaleSecuritiesDebtSecurities2.02.01.71.41.72.12.52.32.62.42.6

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:CollateralizedLoanObligations


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value8584838280740.0
Percentage of AvailableForSaleSecuritiesDebtSecurities3.53.43.43.43.33.10.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:CommercialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value92981021071151051101051039994
Percentage of AvailableForSaleSecuritiesDebtSecurities3.83.94.14.44.74.44.44.24.13.93.8

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1119110710461029102897110791077109810861090
Percentage of AvailableForSaleSecuritiesDebtSecurities46.344.642.242.242.041.143.443.443.643.143.7

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:DebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value24182485247924422451236724852480251725212496
Percentage of AvailableForSaleSecuritiesDebtSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:ForeignGovernmentDebt


Available
Period End2021-06-302021-03-312020-12-31
Value12128.2
Percentage of AvailableForSaleSecuritiesDebtSecurities0.50.50.3

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:OtherDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value175177170162159152181179176175149
Percentage of AvailableForSaleSecuritiesDebtSecurities7.37.16.96.66.56.47.37.27.07.06.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:ResidentialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value384431461462496497480480463461451
Percentage of AvailableForSaleSecuritiesDebtSecurities15.917.418.618.920.221.019.319.418.418.318.1

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:SovereignDebtSecurities


Available
Period End2020-12-31
Value8.2
Percentage of AvailableForSaleSecuritiesDebtSecurities0.3

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3.03.03.13.13.13.12.92.99.99.911
Percentage of AvailableForSaleSecuritiesDebtSecurities0.10.10.10.10.10.10.10.10.40.40.5

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:USStatesAndPoliticalSubdivisions


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value427442482478434422484492505519528
Percentage of AvailableForSaleSecuritiesDebtSecurities17.717.819.519.617.717.819.519.920.120.621.2

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring, us-gaap:USTreasurySecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value697878829291858494108106
Percentage of AvailableForSaleSecuritiesDebtSecurities2.93.23.23.43.83.83.43.43.84.34.3

us-gaap:AvailableForSaleSecuritiesDebtSecurities us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value485042334149615865606466
Percentage of AvailableForSaleSecuritiesDebtSecurities2.02.01.71.41.72.12.52.32.62.42.62.8

us-gaap:CollateralizedLoanObligations


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value858483828074
Percentage of AvailableForSaleSecuritiesDebtSecurities3.53.43.43.43.33.1

us-gaap:CommercialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value9298102107115105110105103999495
Percentage of AvailableForSaleSecuritiesDebtSecurities3.83.94.14.44.74.44.44.24.13.93.84.0

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value11191107104610291028971107910771098108610901110
Percentage of AvailableForSaleSecuritiesDebtSecurities46.344.642.242.242.041.143.443.443.643.143.746.4

us-gaap:ForeignGovernmentDebt


Available
Period End2021-06-302021-03-312020-12-31
Value12128.2
Percentage of AvailableForSaleSecuritiesDebtSecurities0.50.50.3

us-gaap:OtherDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value17517717016215915218117917617514948
Percentage of AvailableForSaleSecuritiesDebtSecurities7.37.16.96.66.56.47.37.27.07.06.02.0

us-gaap:ResidentialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value384431461462496497480480463461451423
Percentage of AvailableForSaleSecuritiesDebtSecurities15.917.418.618.920.221.019.319.418.418.318.117.7

us-gaap:SovereignDebtSecurities


Available
Period End2020-12-31
Value8.2
Percentage of AvailableForSaleSecuritiesDebtSecurities0.3

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value3.03.03.13.13.13.12.92.99.99.91111
Percentage of AvailableForSaleSecuritiesDebtSecurities0.10.10.10.10.10.10.10.10.40.40.50.5

us-gaap:USStatesAndPoliticalSubdivisions


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value427442482478434422484492505519528527
Percentage of AvailableForSaleSecuritiesDebtSecurities17.717.819.519.617.717.819.519.920.120.621.222.0

us-gaap:USTreasurySecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value697878829291858494108106111
Percentage of AvailableForSaleSecuritiesDebtSecurities2.93.23.23.43.83.83.43.43.84.34.34.6

us-gaap:CapitalLeasesFutureMinimumPaymentsDue

us-gaap:CapitalLeasesFutureMinimumPaymentsDue


Capital
Period End2020-12-31
Value400000.0
Percentage of CapitalLeasesFutureMinimumPaymentsDue100.0

us-gaap:CapitalLeasesFutureMinimumPaymentsDueCurrent

us-gaap:CapitalLeasesFutureMinimumPaymentsDueCurrent


Capital
Period End2020-12-31
Value200000.0
Percentage of CapitalLeasesFutureMinimumPaymentsDueCurrent100.0

us-gaap:CapitalLeasesFutureMinimumPaymentsDueInThreeYears

us-gaap:CapitalLeasesFutureMinimumPaymentsDueInThreeYears


Capital
Period End2020-12-31
Value100000.0
Percentage of CapitalLeasesFutureMinimumPaymentsDueInThreeYears100.0

us-gaap:CapitalLeasesFutureMinimumPaymentsDueInTwoYears

us-gaap:CapitalLeasesFutureMinimumPaymentsDueInTwoYears


Capital
Period End2020-12-31
Value100000.0
Percentage of CapitalLeasesFutureMinimumPaymentsDueInTwoYears100.0

us-gaap:CashAndCashEquivalentsFairValueDisclosure

us-gaap:CashAndCashEquivalentsFairValueDisclosure


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value1078516023713117415414010592101203146567369425867841287056566445103593651349997130140243208201252119
Percentage of CashAndCashEquivalentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet

us-gaap:DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet


Debt
Period End2020-12-31
Value700000.0
Percentage of DebtInstrumentUnamortizedDiscountPremiumAndDebtIssuanceCostsNet100.0

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.10.20.71.21.2100.0
Percentage of DebtSecuritiesAvailableForSaleAllowanceForCreditLoss100.0100.0100.0100.0100.0100.00.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger


Debt
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value32461.42.44565207702537253178
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger us-gaap:FinancialInstrument

us-gaap:CollateralizedLoanObligations


Debt
Period End2021-06-302021-03-31
Value2438
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger75.183.0

us-gaap:DebtSecurities


Debt
Period End2021-06-302021-03-31
Value3246
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger100.0100.0

us-gaap:OtherDebtSecurities


Debt
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312018-12-31
Value8.27.91.42.45.90.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger24.917.0100.0100.012.90.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss


Debt
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.20.20.10.20.60.82.59.818123.9
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:OtherDebtSecurities


Debt
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312018-12-31
Value0.10.10.10.20.10.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss50.050.0100.0100.016.70.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions


Debt
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value34.038.07.013.038.028.088.0242.0205.0102.067.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions us-gaap:FinancialInstrument

us-gaap:CollateralizedLoanObligations


Debt
Period End2021-06-302021-03-31
Value6.07.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions17.618.4

us-gaap:DebtSecurities


Debt
Period End2021-06-302021-03-31
Value34.038.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions100.0100.0

us-gaap:OtherDebtSecurities


Debt
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312018-12-31
Value28.031.07.013.019.00
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions82.481.6100.0100.050.00.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value279418205307294479824611126310561446629
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value16217.87.31939100.00.09.6255229
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months5.95.13.82.46.58.212.30.00.03.72.43.74.7

us-gaap:CollateralizedLoanObligations


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value18748280710.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months4.436.326.927.515.00.0

us-gaap:CommercialMortgageBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value2.65.05.55.79.3250.00.00.018306641
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months0.91.22.71.93.25.30.00.00.07.12.94.66.6

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value461659.741281660.00.00.070624828307
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months16.539.64.713.49.734.70.00.00.027.059.157.348.8

us-gaap:DebtSecurities


Debt
Period End2021-06-302021-03-312020-12-31
Value279418205
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months100.0100.0100.0

us-gaap:ForeignGovernmentDebt


Debt
Period End2021-06-302021-03-31
Value7.812
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months2.82.9

us-gaap:OtherDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value66376011313914415461111331370.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months23.79.129.436.847.330.018.5100.0100.050.913.00.0

us-gaap:ResidentialMortgageBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value14014447571715560.00.019156293165
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months50.234.623.118.66.03.269.20.00.07.614.820.326.2

us-gaap:USStatesAndPoliticalSubdivisions


Debt
Period End2021-03-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value12170.00.00.09.9701480.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months3.13.60.00.00.03.86.610.30.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value4.38.72.36.412340.60.81.12.123354.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.30.50.30.60.82.30.10.00.00.10.20.70.2
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss7.05.713.09.46.66.716.70.00.04.80.92.05.0

us-gaap:CollateralizedLoanObligations


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.10.81.53.58.70.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss1.134.823.428.725.40.0

us-gaap:CommercialMortgageBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.10.20.10.20.62.30.00.00.00.10.52.10.2
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss2.32.34.33.14.96.70.00.00.04.82.25.95.0

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.83.80.31.52.06.50.00.00.00.113192.3
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss18.643.713.023.416.419.00.00.00.04.858.054.657.5

us-gaap:DebtSecurities


Debt
Period End2021-06-302021-03-312020-12-31
Value4.38.72.3
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.0100.0100.0

us-gaap:ForeignGovernmentDebt


Debt
Period End2021-06-302021-03-31
Value0.20.4
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss4.74.6

us-gaap:OtherDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value0.40.20.52.35.0120.30.81.11.6-5.70.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss9.32.321.735.941.037.750.0100.0100.076.2-24.70.0

us-gaap:ResidentialMortgageBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value2.53.30.30.30.31.20.20.00.00.12.59.40.8
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss58.137.913.04.72.53.533.30.00.04.810.826.320.0

us-gaap:USStatesAndPoliticalSubdivisions


Debt
Period End2021-03-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.20.30.00.00.00.10.72.50.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss2.30.90.00.00.04.83.07.00.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value280.0301.0199.0313.0343.0443.099.0125.0218.0273.0538.0491.0230.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value7.09.06.07.011.031.06.0005.018.035.025.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions2.53.03.02.23.27.06.10.00.01.83.37.110.9

us-gaap:CollateralizedLoanObligations


Debt
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value6.018.020.020.019.00
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions2.09.06.45.84.30.0

us-gaap:CommercialMortgageBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1.05.06.08.013.019.00005.013.029.019.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions0.41.73.02.63.84.30.00.00.01.82.45.98.3

us-gaap:CorporateDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value65.0111.010.033.014.067.000026.0205.0267.0113.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions23.236.95.010.54.115.10.00.00.09.538.154.449.1

us-gaap:DebtSecurities


Debt
Period End2021-06-302021-03-312020-12-31
Value280.0301.0199.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions100.0100.0100.0

us-gaap:ForeignGovernmentDebt


Debt
Period End2021-06-302021-03-31
Value1.02.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions0.40.7

us-gaap:OtherDebtSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-31
Value163.0125.0146.0233.0278.0297.064.0125.0218.0228.0215.00
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions58.241.573.474.481.067.064.6100.0100.083.540.00.0

us-gaap:ResidentialMortgageBackedSecurities


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value43.034.013.012.07.06.029.0006.059.097.045.0
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions15.411.36.53.82.01.429.30.00.02.211.019.819.6

us-gaap:USStatesAndPoliticalSubdivisions


Debt
Period End2021-03-312020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value9.04.00003.021.041.00
Percentage of DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions3.00.90.00.00.01.13.98.40.0

us-gaap:DeferredIncomeTaxAssetsNet us-gaap:ConsolidatedEntities

us-gaap:DeferredIncomeTaxAssetsNet

srt:ParentCompany


Deferred
Period End2020-12-312019-12-31
Value1.72.2
Percentage of DeferredIncomeTaxAssetsNet100.0100.0

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredIncomeTaxLiabilities


Deferred
Period End2020-12-312019-12-31
Value7360
Percentage of DeferredIncomeTaxLiabilities100.0100.0

us-gaap:DeferredPolicyAcquisitionCosts

us-gaap:DeferredPolicyAcquisitionCosts


Deferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value4544434649514751525248505150454849484446484744464846444748464345454238404038373937343233
Percentage of DeferredPolicyAcquisitionCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredPolicyAcquisitionCosts us-gaap:StatementBusinessSegments

eig:EmployersSegment


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value43474845
Percentage of DeferredPolicyAcquisitionCosts100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsGross


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value57555673126139131131116106102
Percentage of DeferredTaxAssetsGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2400000.02100000.02600000.02800000.09700000.08400000.02519000.01169000.01401000.01652000.02720000.0
Percentage of DeferredTaxAssetsOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3400000.03400000.02900000.02500000.04400000.04100000.05781000.04603000.04339000.03310000.02834000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities


Deferred
Period End2020-12-312019-12-31
Value3500000.04000000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2400000.01000000.01400000.02100000.03400000.04300000.02757000.02608000.02085000.01943000.02661000.0
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3030312951565657575965
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsLossReserves100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1113131220202020181310
Percentage of DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost

us-gaap:DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value9.210109.715151515131311
Percentage of DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets

us-gaap:DeferredTaxLiabilitiesGoodwillAndIntangibleAssets


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1600000.01600000.01600000.01700000.02900000.03000000.03162000.03390000.03695000.04105000.04648000.0
Percentage of DeferredTaxLiabilitiesGoodwillAndIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesLeasingArrangements

us-gaap:DeferredTaxLiabilitiesLeasingArrangements


Deferred
Period End2020-12-312019-12-31
Value3600000.03300000.0
Percentage of DeferredTaxLiabilitiesLeasingArrangements100.0100.0

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOther


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value8100000.07100000.06800000.04800000.07900000.07500000.05752000.05803000.03588000.04316000.02638000.0
Percentage of DeferredTaxLiabilitiesOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesTaxDeferredIncome

us-gaap:DeferredTaxLiabilitiesTaxDeferredIncome


Deferred
Period End2021-06-302021-03-312020-12-31
Value9.77.415
Percentage of DeferredTaxLiabilitiesTaxDeferredIncome100.0100.0100.0

us-gaap:DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities

us-gaap:DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5038102840455748696245
Percentage of DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized us-gaap:AwardType

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:PerformanceShares


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value6400000.08000000.05500000.04700000.04700000.04400000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedStockUnitsRSU


Employee
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value5300000.05000000.04700000.04200000.03500000.03200000.02400000.03000000.03500000.0
Percentage of EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized82.862.585.589.474.572.70.00.00.0

us-gaap:EquitySecuritiesFvNiCost

us-gaap:EquitySecuritiesFvNiCost


Equity
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
Value1531241121101421731551991431401310.0
Percentage of EquitySecuritiesFvNiCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:EquitySecuritiesFvNiCost us-gaap:ConsolidatedEntities

srt:ParentCompany


Equity
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.427400.0
Percentage of EquitySecuritiesFvNiCost0.417.930.30.0

us-gaap:EquitySecuritiesFvNiCost us-gaap:FinancialInstrument

eig:OtherEquities


Equity
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
Value18151818273426271617170.0
Percentage of EquitySecuritiesFvNiCost12.112.716.316.719.620.017.013.711.712.313.10.0

us-gaap:IndustrialMiscellaneousAndAllOthers


Equity
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
Value13510994921141391291711261231140.0
Percentage of EquitySecuritiesFvNiCost87.987.383.783.380.480.083.086.388.387.786.90.0

us-gaap:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments

us-gaap:FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments


Fair
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value5457636741
Percentage of FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments100.0100.0100.0100.0100.0

us-gaap:FederalHomeLoanBankAdvancesBranchOfFHLBBankAmountOfAdvancesByBranch

us-gaap:FederalHomeLoanBankAdvancesBranchOfFHLBBankAmountOfAdvancesByBranch


Federal
Period End2021-03-312020-12-312020-09-302020-06-302020-05-112019-12-31
Value15203535350.0
Percentage of FederalHomeLoanBankAdvancesBranchOfFHLBBankAmountOfAdvancesByBranch100.0100.0100.0100.0100.00.0

us-gaap:FederalHomeLoanBankAdvancesBranchOfFHLBBankAmountOfAdvancesByBranch us-gaap:DebtInstrumentRedemptionPeriod

us-gaap:DebtInstrumentRedemptionPeriodOne


Federal
Period End2020-11-12
Value15
Percentage of FederalHomeLoanBankAdvancesBranchOfFHLBBankAmountOfAdvancesByBranch0.0

us-gaap:DebtInstrumentRedemptionPeriodTwo


Federal
Period End2021-05-11
Value20
Percentage of FederalHomeLoanBankAdvancesBranchOfFHLBBankAmountOfAdvancesByBranch0.0

us-gaap:FederalHomeLoanBankStock

us-gaap:FederalHomeLoanBankStock


Federal
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value6700000.06700000.06700000.06700000.06700000.06700000.06700000.06700000.06700000.06400000.06400000.06400000.06400000.04700000.00
Percentage of FederalHomeLoanBankStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:FinanceLeaseLiability

us-gaap:FinanceLeaseLiability


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value600000.0600000.0400000.0500000.0600000.0600000.0
Percentage of FinanceLeaseLiability100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDue

us-gaap:FinanceLeaseLiabilityPaymentsDue


Finance
Period End2021-06-302021-03-312020-12-312020-09-30
Value600000.0600000.0400000.0500000.0
Percentage of FinanceLeaseLiabilityPaymentsDue100.0100.0100.0100.0

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo

us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo


Finance
Period End2021-06-302021-03-312020-09-30
Value100000.0100000.0200000.0
Percentage of FinanceLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAsset

us-gaap:FinanceLeaseRightOfUseAsset


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value600000.0600000.0400000.0400000.0600000.0600000.0
Percentage of FinanceLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization

us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value200000.0300000.0400000.0700000.0600000.0500000.0
Percentage of FinanceLeaseRightOfUseAssetAccumulatedAmortization100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent

us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent


Finance
Period End2021-06-302021-03-312020-12-312020-09-30
Value7.73.73.73.7
Percentage of FinanceLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization


Finite
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value9400000.09400000.09400000.09200000.08900000.08600000.08066000.07415000.0-6542000.0-5372000.0-5521000.0
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap:IndefiniteLivedIntangibleAssetsByMajorClass

us-gaap:ServiceAgreements


Finite
Period End2020-12-312019-12-312018-12-312017-12-31
Value9400000.09400000.09400000.09200000.0
Percentage of FiniteLivedIntangibleAssetsAccumulatedAmortization100.0100.0100.0100.0

us-gaap:FundsHeldUnderReinsuranceAgreementsAsset

us-gaap:FundsHeldUnderReinsuranceAgreementsAsset


Funds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3.13.13.23.33.33.32.93.23.2132323222424252527271.8382.6773.3950.4961.1021.6152.5462.6823.70182
Percentage of FundsHeldUnderReinsuranceAgreementsAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FundsHeldUnderReinsuranceAgreementsLiability

us-gaap:FundsHeldUnderReinsuranceAgreementsLiability


Funds
Period End2020-12-31
Value2200000.0
Percentage of FundsHeldUnderReinsuranceAgreementsLiability100.0

us-gaap:GuaranteeObligationsMaximumExposure

us-gaap:GuaranteeObligationsMaximumExposure


Guarantee
Period End2020-12-31
Value2000
Percentage of GuaranteeObligationsMaximumExposure100.0

us-gaap:InvestmentOwnedAtCost

us-gaap:InvestmentOwnedAtCost


Investment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value2522161313118.4
Percentage of InvestmentOwnedAtCost100.0100.0100.0100.0100.0100.0100.0

us-gaap:Investments

us-gaap:Investments


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value27282765275727162750262027782796276527572727259026052668267726242623261025522582250925202487253725172541244824552450237523442248221021972149203320142006195020342016202520802029
Percentage of Investments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Investments us-gaap:ConsolidatedEntities

srt:ParentCompany


Investmentsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value11971150962894
Percentage of Investments43.441.435.333.4

us-gaap:Investments us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Investmentsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value257229212192219215256284239230199
Percentage of Investments9.48.37.77.18.08.29.210.28.68.37.3

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Investmentsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value24182486250124842491236724852480251725212521
Percentage of Investments88.789.990.791.590.690.389.588.791.091.492.4

us-gaap:Investments us-gaap:FederalHomeLoanBankAdvancesBranchOfFHLBBank

srt:FederalHomeLoanBankOfSanFrancisco


Investmentsus-gaap:
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value275260260260260140140
Percentage of Investments10.09.49.39.49.45.15.4

us-gaap:Investments us-gaap:FinancialInstrument

eig:Requiredbyvariousstatelawsandregulationstoholdsecuritiesorlettersofcreditindepositoryaccount


Investmentsus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value9299257687728708378448469029258678641009
Percentage of Investments34.133.527.928.531.631.930.430.332.633.631.833.437.7

us-gaap:InvestmentsFairValueDisclosure

us-gaap:InvestmentsFairValueDisclosure


Investments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value2675271627142677271025822742276527562751272125842598266326772624262326102552258225092520248725372517254124482455245023752344224822102197214920332014200619502080
Percentage of InvestmentsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths


Lessee
Period End2021-06-302021-03-312020-09-30
Value2000000.03100000.01100000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths100.0100.0100.0

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense


Liability
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312011-12-31
Value2007203420692141217021912192219721612189220722332227225822662298228422982301233023322341234723572354237023692370235423582330230522312272
Percentage of LiabilityForClaimsAndClaimsAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense us-gaap:ChangeInAccountingEstimateByType

eig:ChangeDueToEstimatedReservesCededUnderLptAgreement


Liability
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302013-12-312012-12-31
Value-4.2-5.3-6.30.0-5.0-10.0-46.8333027100
Percentage of LiabilityForClaimsAndClaimsAdjustmentExpense-0.2-0.2-0.30.0-0.2-0.4-2.01.41.31.24.5

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense us-gaap:StatementBusinessSegments

eig:CeritySegment


Liability
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.10.00.00.0
Percentage of LiabilityForClaimsAndClaimsAdjustmentExpense0.00.00.00.0

eig:EmployersSegment


Liability
Period End2020-12-312019-12-312018-12-312017-12-31
Value2024214522072266
Percentage of LiabilityForClaimsAndClaimsAdjustmentExpense97.897.8100.0100.0

us-gaap:Corporate


Liability
Period End2020-12-312019-12-312018-12-312017-12-31
Value44470.00.0
Percentage of LiabilityForClaimsAndClaimsAdjustmentExpense2.22.20.00.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet


Liability
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value15241541157216271647166416601670167716901703172117151727172917451725172517211738173317201719172317131707170016791655162215871525149014591426139113611342133113211318132113231329132613731430
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity dei:LegalEntity, us-gaap:FederalHomeLoanBankAdvancesBranchOfFHLBBank

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity

eig:EmployersAssuranceCompanyDomain, srt:FederalHomeLoanBankOfSanFrancisco


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value505080808080606060604040
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

eig:EmployersCompensationInsuranceCompany, srt:FederalHomeLoanBankOfSanFrancisco


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value707070707090909090905050
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity140.0140.087.587.587.5112.5150.0150.0150.0150.0125.0125.0

eig:EmployersPreferredInsuranceCompany, srt:FederalHomeLoanBankOfSanFrancisco


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value10.010.01251251251251101101101105050
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity20.020.0156.2156.2156.2156.2183.3183.3183.3183.3125.0125.0

us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity us-gaap:FederalHomeLoanBankAdvancesBranchOfFHLBBank

srt:FederalHomeLoanBankOfSanFrancisco


Line
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value130130275275275295260260260260140140
Percentage of LineOfCreditFacilityMaximumBorrowingCapacity260.0260.0343.8343.8343.8368.8433.3433.3433.3433.3350.0350.0

us-gaap:LossContingencyAccrualInsuranceRelatedAssessmentPolicySurchargeAsset

us-gaap:LossContingencyAccrualInsuranceRelatedAssessmentPolicySurchargeAsset


Loss
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value181714142121135.11.74.06.8
Percentage of LossContingencyAccrualInsuranceRelatedAssessmentPolicySurchargeAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LossContingencyDiscountedAmountOfInsuranceRelatedAssessmentLiability

us-gaap:LossContingencyDiscountedAmountOfInsuranceRelatedAssessmentLiability


Loss
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value18161812182218138.57.97.0
Percentage of LossContingencyDiscountedAmountOfInsuranceRelatedAssessmentLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent


Operating
Period End2021-06-302021-03-312020-12-312020-09-30
Value2.22.22.82.8
Percentage of OperatingLeaseWeightedAverageDiscountRatePercent100.0100.0100.0100.0

us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent

us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent


Operating
Period End2020-12-31
Value4100000.0
Percentage of OperatingLeasesFutureMinimumPaymentsDueCurrent100.0

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFiveYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFiveYears


Operating
Period End2020-12-31
Value3000000.0
Percentage of OperatingLeasesFutureMinimumPaymentsDueInFiveYears100.0

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFourYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFourYears


Operating
Period End2020-12-31
Value3200000.0
Percentage of OperatingLeasesFutureMinimumPaymentsDueInFourYears100.0

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInThreeYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInThreeYears


Operating
Period End2020-12-31
Value3200000.0
Percentage of OperatingLeasesFutureMinimumPaymentsDueInThreeYears100.0

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInTwoYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInTwoYears


Operating
Period End2020-12-31
Value3200000.0
Percentage of OperatingLeasesFutureMinimumPaymentsDueInTwoYears100.0

us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter

us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter


Operating
Period End2020-12-31
Value4600000.0
Percentage of OperatingLeasesFutureMinimumPaymentsDueThereafter100.0

us-gaap:OtherInvestments

us-gaap:OtherInvestments


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value45423632333129242.00.0
Percentage of OtherInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:OtherInvestmentsAndSecuritiesAtCost

us-gaap:OtherInvestmentsAndSecuritiesAtCost


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value45423633333128
Percentage of OtherInvestmentsAndSecuritiesAtCost100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherLiabilities

us-gaap:OtherLiabilities


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value7378707367615250426174426649452938444140384140424837363235232527413018172519151517171725
Percentage of OtherLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherLiabilities us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2020-12-312019-12-312018-12-312017-12-31
Value0.10.94.00.0
Percentage of OtherLiabilities0.11.75.40.0

us-gaap:OtherShortTermInvestments

us-gaap:OtherShortTermInvestments


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value0.31.02645420.0
Percentage of OtherShortTermInvestments100.0100.0100.0100.0100.00.0

us-gaap:PremiumsReceivableAllowanceForDoubtfulAccounts

us-gaap:PremiumsReceivableAllowanceForDoubtfulAccounts


Premiums
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-31
Value1112108.13.94.6
Percentage of PremiumsReceivableAllowanceForDoubtfulAccounts100.0100.0100.0100.0100.0100.0

us-gaap:PremiumsReceivableAtCarryingValue

us-gaap:PremiumsReceivableAtCarryingValue


Premiums
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value251243232251284292285314342352333352355350326331333323304317330315301306314296295315321294279282285252223225216186160154149129109119
Percentage of PremiumsReceivableAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization


Property
Period End2020-12-312019-12-31
Value400000.0500000.0
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization100.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization


Property
Period End2020-12-312019-12-31
Value400000.0600000.0
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization100.0100.0

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization

us-gaap:PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value800000.0900000.0800000.01100000.01200000.01100000.0
Percentage of PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization100.0100.0100.0100.0100.0100.0

us-gaap:ReinsuranceRecoverablesAllowance

us-gaap:ReinsuranceRecoverablesAllowance


Reinsurance
Period End2020-12-31
Value400000.0
Percentage of ReinsuranceRecoverablesAllowance100.0

us-gaap:ReinsuranceRecoverablesOnPaidLosses

us-gaap:ReinsuranceRecoverablesOnPaidLosses


Reinsurance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value6900000.07200000.07600000.07700000.07600000.07500000.07200000.07100000.06500000.06700000.06700000.07900000.07600000.06900000.07200000.07800000.08400000.08100000.08700000.08300000.07300000.07900000.07700000.0
Percentage of ReinsuranceRecoverablesOnPaidLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReinsuranceRecoverablesOnUnpaidLossesAllowance

us-gaap:ReinsuranceRecoverablesOnUnpaidLossesAllowance


Reinsurance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312012-12-31
Value600000.0400000.0400000.0400000.0400000.0400000.000000000000000000000000389000.0389000.00
Percentage of ReinsuranceRecoverablesOnUnpaidLossesAllowance100.0100.0100.0100.0100.0100.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0100.0100.00.0

us-gaap:RestrictedCashAndCashEquivalents

us-gaap:RestrictedCashAndCashEquivalents


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value0.20.20.20.30.30.30.30.30.32.50.62.01.00.91.01.10.44.13.62.72.44.22.53.16.68.410208.4548.9356.5646.0784.6024.6945.3535.4627.141106.2996.1925.13211162.739
Percentage of RestrictedCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:RestrictedCashAndCashEquivalents eig:ReinsuranceAgreement

eig:FundsHeldInTrustReinsuranceAgreementDomain


Restricted
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value0.20.30.61.03.62.54.03.52.51.7
Percentage of RestrictedCashAndCashEquivalents100.0100.0100.0100.0100.0100.037.253.346.727.0

us-gaap:RestrictedCashAndCashEquivalents us-gaap:FairValueByMeasurementBasis

us-gaap:EstimateOfFairValueFairValueDisclosure


Restricted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value0.20.20.20.30.30.30.30.30.32.50.62.01.00.91.01.10.44.13.62.72.44.22.53.16.68.410208.4548.9356.5646.0785.353
Percentage of RestrictedCashAndCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.4100.0100.0100.0100.0100.0100.0

us-gaap:SalvageAndSubrogationRecoveriesValue

us-gaap:SalvageAndSubrogationRecoveriesValue


Salvage
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value2828343528262522211818
Percentage of SalvageAndSubrogationRecoveriesValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice

us-gaap:PerformanceShares


Share
Period End2020-12-312019-12-312018-12-312017-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-03-312014-12-312014-03-312013-12-312013-03-312012-03-31
Value37.8141.7240.337.6027.7200024.20020.87022.2400
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice100.0100.0100.0100.00.0100.00.00.00.0100.00.00.0100.00.0100.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized


Share
Period End2020-12-31
Value6555000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber

us-gaap:EmployeeStockOption


Share
Period End2020-12-31
Value113220.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber100.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice us-gaap:Awar