RDN


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

Table of contents



us-gaap:CommonStockValue
us-gaap:ConsolidatedEntities

us-gaap:CommonStockParOrStatedValuePerShare

us-gaap:CommonStockSharesIssued
us-gaap:ConsolidatedEntities

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesOutstanding
us-gaap:ConsolidatedEntities

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:CostOfGoodsAndServicesSold

us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense

us-gaap:GainLossOnInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeTaxExpenseBenefit

us-gaap:InterestExpense

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetInvestmentIncome

us-gaap:OperatingExpenses

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:OtherComprehensiveIncomeLocation

us-gaap:OtherIncome

us-gaap:PolicyholderBenefitsAndClaimsIncurredNet

us-gaap:PremiumsEarnedNet

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

us-gaap:Assets
dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:ConsolidatedEntities, us-gaap:CededCreditRisk
dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:ConsolidatedEntities, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments
dei:LegalEntity, us-gaap:CededCreditRisk
dei:LegalEntity, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments
us-gaap:ConsolidatedEntities

us-gaap:Liabilities
dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:ConsolidatedEntities, us-gaap:CededCreditRisk
dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:ConsolidatedEntities, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments
dei:LegalEntity, us-gaap:CededCreditRisk
dei:LegalEntity, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:ConsolidatedEntities

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents

us-gaap:CashAndCashEquivalentsAtCarryingValue
us-gaap:ConsolidatedEntities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
us-gaap:ConsolidatedEntities

us-gaap:PropertyPlantAndEquipmentGross
rdn:PropertyAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
rdn:PropertyAndEquipmentByType

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet
rdn:PropertyAndEquipmentByType
us-gaap:StatementBusinessSegments
us-gaap:Goodwill

us-gaap:FiniteLivedIntangibleAssetsNet
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments
us-gaap:LongLivedAssetsHeldForSaleByAssetType, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:OperatingLeaseRightOfUseAsset
us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

us-gaap:EquitySecuritiesFvNi

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

us-gaap:DeferredIncomeTaxLiabilitiesNet
us-gaap:ConsolidatedEntities

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability
us-gaap:BalanceSheetLocation

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue
us-gaap:ConsolidatedEntities

us-gaap:AdditionalPaidInCapital
us-gaap:ConsolidatedEntities

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit
us-gaap:ConsolidatedEntities

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:ConsolidatedEntities
us-gaap:OtherComprehensiveIncomeLocation

us-gaap:TreasuryStockValue
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquireInvestments

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:DeferredTaxLiabilities

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance
us-gaap:ValuationAllowanceByDeferredTaxAsset

rdn:AccumulatedAmortizationGoodwillDispositions
dei:LegalEntity, us-gaap:CededCreditRisk
rdn:CededInsuranceCommissionPercentage

rdn:CedingCommissionsEarned

rdn:ChangeinUnrealizedHoldingGainLoss

rdn:CostOfServicesTitleInsurance

rdn:CostofServicesRealEstate
us-gaap:InvestmentType
rdn:EquitySecuritiesChangeinUnrealizedHoldingGainLoss
us-gaap:Range, us-gaap:LongtermDebtType
rdn:FederalHomeLoanBankRatioofMarketValueofCollateraltoAdvances

rdn:IncreaseDecreaseinGoodwillandIntangibleAssets
us-gaap:ConsolidationItems

rdn:LineofCreditFacilityPaymentofCommitmentFees

rdn:NetGainsLossesonInvestmentsandOtherFinancialInstruments
us-gaap:ConsolidationItems

rdn:OperatingIncomeLossPreTaxNonGAAP
us-gaap:StatementBusinessSegments
us-gaap:OtherComprehensiveIncomeLocation
rdn:OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsBeforeTax

rdn:OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsNetOfTax
us-gaap:OtherComprehensiveIncomeLocation
us-gaap:OtherComprehensiveIncomeLocation
rdn:OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsTax
us-gaap:InvestmentType
rdn:OtherInvestmentsChangeinUnrealizedHoldingGainLoss

rdn:OtherThanTemporaryImpairmentLossesInvestmentsDueToIntentToSell

rdn:OtherThanTemporaryImpairmentLossesInvestmentsExpectedCreditLosses

rdn:PaymentstoAcquireEquitySecurities

rdn:ProceedsfromSaleofEquitySecurities

rdn:RealizedGainsLossesonInvestmentsNet

rdn:ReductionInNumberOfNewDefaultsFromThePriorQuarter

rdn:ServicesRevenueNet
rdn:ServicesRevenue
us-gaap:AwardDate, us-gaap:AwardType
rdn:ShareBasedCompensationMaximumPayoutPercentageOfTargetAward
us-gaap:Range, us-gaap:AwardDate, us-gaap:AwardType
us-gaap:StatementBusinessSegments
rdn:TotalOperatingExpensesAllocatedtoSubsidiariesFromParentCompany
us-gaap:ShareRepurchaseProgram
us-gaap:AcceleratedShareRepurchasesFinalPricePaidPerShare
us-gaap:ShareRepurchaseProgram, us-gaap:SubsequentEventType
us-gaap:StatementEquityComponents
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition

us-gaap:AssumedPremiumsEarned

us-gaap:AssumedPremiumsWritten
us-gaap:InvestmentType
us-gaap:AvailableForSaleSecuritiesGrossRealizedGains
us-gaap:InvestmentType
us-gaap:AvailableForSaleSecuritiesGrossRealizedLosses
us-gaap:InvestmentType
us-gaap:AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments

us-gaap:CededPremiumsEarned

us-gaap:CededPremiumsWritten
dei:LegalEntity, us-gaap:CededCreditRisk

us-gaap:CommonStockDividendsPerShareDeclared
us-gaap:SubsequentEventType
dei:LegalEntity, rdn:SPQSRPolicyVintages, us-gaap:CededCreditRisk
us-gaap:ConcentrationRiskPercentage1
dei:LegalEntity, rdn:SPQSRPolicyVintages, us-gaap:Range, us-gaap:CededCreditRisk
dei:LegalEntity, us-gaap:Range, us-gaap:CededCreditRisk
us-gaap:InvestmentType
us-gaap:DebtAndEquitySecuritiesGainLoss
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossNotPreviouslyRecorded
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossRecovery
us-gaap:StatementBusinessSegments
us-gaap:Depreciation

us-gaap:DirectPremiumsEarned

us-gaap:DirectPremiumsWritten
us-gaap:StatementEquityComponents
us-gaap:DividendsCommonStock
us-gaap:InvestmentType
us-gaap:EquitySecuritiesFvNiRealizedGainLoss

us-gaap:ImpairmentOfLeasehold

us-gaap:ImpairmentOfLongLivedAssetsHeldForUse
us-gaap:ConsolidationItems

us-gaap:IncreaseDecreaseInSecuritiesLendingPayable

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InterestIncomeRelatedParty
us-gaap:StatementBusinessSegments
us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1
us-gaap:StatementBusinessSegments
us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1
us-gaap:StatementBusinessSegments
us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1
dei:LegalEntity, us-gaap:Range, us-gaap:CededCreditRisk
us-gaap:LossRatio
us-gaap:OtherComprehensiveIncomeLocation
us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent
us-gaap:OtherComprehensiveIncomeLocation
us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLocation
us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
us-gaap:OtherComprehensiveIncomeLocation
us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent
us-gaap:OtherComprehensiveIncomeLocation
us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
us-gaap:OtherComprehensiveIncomeLocation
us-gaap:OtherComprehensiveIncomeLocation
us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
us-gaap:OtherComprehensiveIncomeLocation
us-gaap:OtherComprehensiveIncomeLossTax
us-gaap:OtherComprehensiveIncomeLocation
us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
us-gaap:OtherComprehensiveIncomeLocation
us-gaap:OtherComprehensiveIncomeLocation
us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherCostAndExpenseOperating

us-gaap:OtherNonoperatingIncome
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold
us-gaap:StatementBusinessSegments
us-gaap:PaymentsForLossesAndLossAdjustmentExpense

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromProductiveAssets

us-gaap:PaymentsForProceedsFromShortTermInvestments

us-gaap:PaymentsToAcquireAvailableForSaleSecurities

us-gaap:PremiumsWrittenNet

us-gaap:ProceedsFromDebtNetOfIssuanceCosts

us-gaap:ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates

us-gaap:ProceedsFromIssuanceOfCommonStock
dei:LegalEntity, rdn:ExcessofLossProgram, rdn:ILNInvestors, us-gaap:CededCreditRisk
us-gaap:ProceedsFromIssuanceOfDebt
dei:LegalEntity, rdn:ExcessofLossProgram, rdn:ILNInvestors, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType
dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:ConcentrationRiskByType, us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesRepaymentsAndCallsOfTradingSecuritiesHeldforinvestment

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfOtherAssetsInvestingActivities

us-gaap:ProceedsFromSaleOfTradingSecuritiesHeldforinvestment

us-gaap:ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths

us-gaap:ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded
dei:LegalEntity, rdn:ExcessofLossLayer, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk
us-gaap:ReinsuranceRetentionPolicyAmountRetained
dei:LegalEntity, rdn:ExcessofLossLayer, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:ConcentrationRiskByType, us-gaap:StatementBusinessSegments
dei:LegalEntity, rdn:ExcessofLossLayer, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments
dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk
us-gaap:ReinsuranceRetentionPolicyExcessRetentionAmountReinsured
dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:ConcentrationRiskByType, us-gaap:StatementBusinessSegments
dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:ConcentrationRiskByType, us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType
dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments
dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType

us-gaap:RepaymentsOfLongTermCapitalLeaseObligations

us-gaap:RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOther
dei:LegalEntity
us-gaap:StatutoryAccountingPracticesStatutoryNetIncomeAmount
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents
us-gaap:StockRepurchasedAndRetiredDuringPeriodValue
us-gaap:ShareRepurchaseProgram
us-gaap:StockRepurchasedDuringPeriodShares
us-gaap:ShareRepurchaseProgram, us-gaap:SubsequentEventType
us-gaap:StatementEquityComponents
us-gaap:StockRepurchasedDuringPeriodValue
us-gaap:StatementBusinessSegments
us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense
us-gaap:StatementBusinessSegments
us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense
us-gaap:InvestmentType
us-gaap:TradingSecuritiesRealizedGainLoss
us-gaap:InvestmentType
us-gaap:TradingSecuritiesUnrealizedHoldingGainLoss
us-gaap:StatementEquityComponents
us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:UnrealizedGainLossOnSecurities

dei:EntityCommonStockSharesOutstanding

rdn:AccruedInvestmentIncome
us-gaap:FinancialInstrument
rdn:AvailableforsaleDebtSecuritiesAmortizedCostBasisIncludingLoanedSecurities
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:FinancialInstrument
rdn:AvailableforsaleSecuritiesDebtSecuritiesIncludingLoanedSecurities
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:StatementBusinessSegments
rdn:ContractualDeferredMonthlyPremiums
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
rdn:DefaultToClaimEstimateGrossForForeclosureStageDefaults
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
rdn:DefaultToClaimRateEstimateGrossForNewDefaults
rdn:DefaulttoClaimRateDefaultsNotinForeclosureStageAge, us-gaap:ProductOrService, us-gaap:Range, us-gaap:StatementBusinessSegments
rdn:DefaultToClaimRateEstimateGrossForPreForeclosureStageDefaults
rdn:DefaulttoClaimRateDefaultsNotinForeclosureStageAge, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

rdn:DeferredTaxAssetsDeferredPolicyAcquisitionandCedingCommissionCosts

rdn:DeferredTaxAssetsLeaseLiability

rdn:DeferredTaxAssetsOperatingLossCarryforwardsStateandLocalNetofFederalBenefit

rdn:DeferredTaxAssetsShareBasedCompensation

rdn:DeferredTaxLiabilitiesContingencyReserve
us-gaap:PlanName, us-gaap:SubsequentEventType, us-gaap:SubsidiarySaleOfStock
rdn:EmployeeStockPurchasePlanESPPNumberofSharesAvailableforIssuance
dei:LegalEntity, us-gaap:CededCreditRisk
rdn:FirstLienPrimaryMortgageInsuranceRiskInForceCeded

rdn:FundsHeldUnderReinsuranceAgreementsOffBalanceSheetAsset

rdn:IncomeTaxesPayableFederalCurrent

rdn:LesseeOperatingLeaseImputedInterest
dei:LegalEntity
rdn:NetRiskInForce

rdn:PercentofLTVatwhichHPAMustBeCanceledAutomatically
us-gaap:DebtInstrument, us-gaap:LongtermDebtType
rdn:PercentofStockWithOrdinaryVotingRightsThatCompanyMustRetainInOrderToMakeAnyCapitalStockTransactions
us-gaap:StatementBusinessSegments
rdn:PremiumReceivableforDeferredMonthlyPremiums
us-gaap:StatementBusinessSegments
rdn:PrivateMortgageInsuranceProtectsLendersForLoansMadeWithLessThanThisMaximumDownPaymentPercentage
us-gaap:StatementBusinessSegments
rdn:PrivateMortgageInsuranceProtectsLendersForRefinancingsMadetoHomeBuyersWithLessThanThisMaximumEquityOwnershipPercentage

rdn:ReinsuranceRecoverablesPaidLosses

rdn:ReinvestedCashCollateralHeldUnderSecuritiesLendingAgreements
us-gaap:InvestmentType

rdn:RestrictedNetAssetsHeldByConsolidatedSubsidiaries
us-gaap:ConsolidatedEntities
dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk
rdn:RiskInForce
dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:ConcentrationRiskByType, us-gaap:StatementBusinessSegments
dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:ConcentrationRiskByType, us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType
dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments
dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType
dei:LegalEntity, us-gaap:CededCreditRisk
dei:LegalEntity, us-gaap:CededCreditRisk, us-gaap:ConcentrationRiskByType
rdn:RiskinForce, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
dei:LegalEntity
rdn:RiskToCapitalRatio

rdn:SecondLienReserveforPremiumDeficiency
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:SecuritiesFinancingTransaction
rdn:SecuritiesLoanedAssetAmortizedCostBasis
us-gaap:FinancialInstrument, us-gaap:InvestmentType, us-gaap:SecuritiesFinancingTransaction
us-gaap:FairValueByMeasurementBasis
rdn:SeniorNotesFairValue
us-gaap:PlanName
rdn:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantExcludingAdjustments
dei:LegalEntity
rdn:StatutoryAccountingPracticeStatutoryPosition
dei:LegalEntity
rdn:StatutoryAccountingPracticesContingencyReserve
dei:LegalEntity
rdn:StatutoryUnassignedNegativeSurplus

rdn:UnearnedCedingCommissions
dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments
rdn:VIENonconsolidatedCarryingAmountAssets
dei:LegalEntity, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments
dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments
rdn:VIENonconsolidatedCarryingAmountLiabilities
dei:LegalEntity, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments

us-gaap:AccountsAndNotesReceivableNet

us-gaap:AccountsReceivableNet
us-gaap:ConsolidatedEntities
us-gaap:StatementBusinessSegments

us-gaap:AccruedInvestmentIncomeReceivable

us-gaap:AdvancesFromFederalHomeLoanBanks
us-gaap:FairValueByMeasurementBasis
us-gaap:LongtermDebtType
us-gaap:SubsegmentsConsolidationItems
us-gaap:AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries
us-gaap:OtherComprehensiveIncomeLocation
us-gaap:AociBeforeTaxAttributableToParent
us-gaap:OtherComprehensiveIncomeLocation
us-gaap:AociTaxAttributableToParent
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AssetsFairValueDisclosure
us-gaap:FairValueByMeasurementFrequency
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:AssetsHeldByInsuranceRegulators

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:ConsolidatedEntities
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:FinancialInstrument
us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue
us-gaap:FinancialInstrument, us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:ConsolidatedEntities
us-gaap:FinancialInstrument, us-gaap:InvestmentType
dei:LegalEntity
us-gaap:Capital

us-gaap:CapitalizedComputerSoftwareAccumulatedAmortization

us-gaap:CapitalizedComputerSoftwareNet
dei:LegalEntity
us-gaap:CumulativeEarningsDeficit
us-gaap:FinancialInstrument
us-gaap:DebtSecurities

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLoss
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:InvestmentType

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredPolicyAcquisitionCosts

us-gaap:DeferredTaxAssetsGoodwillAndIntangibleAssets

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsUnearnedPremiumsReserve

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesOtherComprehensiveIncome

us-gaap:DeferredTaxLiabilitiesPropertyPlantAndEquipment

us-gaap:DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeFairValueOfDerivativeNet
us-gaap:FairValueByMeasurementFrequency
us-gaap:PlanName
us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized

us-gaap:EquitySecuritiesFvNiCost

us-gaap:FederalHomeLoanBankAdvancesBranchOfFHLBBankAmountOfAdvancesByBranch
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1
us-gaap:LongtermDebtType
us-gaap:FederalHomeLoanBankAdvancesWeightedAverageInterestRate
us-gaap:FairValueByMeasurementBasis
us-gaap:FederalHomeLoanBankBorrowingsFairValueDisclosure
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments
us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization
us-gaap:StatementBusinessSegments

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments
us-gaap:FiniteLivedIntangibleAssetsGross
us-gaap:StatementBusinessSegments

us-gaap:FundsHeldUnderReinsuranceAgreementsAsset
dei:LegalEntity
dei:LegalEntity, us-gaap:CededCreditRisk

us-gaap:FundsHeldUnderReinsuranceAgreementsLiability
us-gaap:StatementBusinessSegments
us-gaap:GoodwillGross
dei:LegalEntity, us-gaap:LossContingenciesByNatureOfContingency
us-gaap:GuaranteeObligationsMaximumExposure

us-gaap:Investments
us-gaap:ConsolidatedEntities
us-gaap:Range
us-gaap:LesseeOperatingLeaseDiscountRate

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LiabilityForClaimsAndClaimsAdjustmentExpense
rdn:LossReserves, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments
us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet

us-gaap:LifeInsuranceCorporateOrBankOwnedAmount
us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity
us-gaap:LongtermDebtType
us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
us-gaap:LongtermDebtType
us-gaap:LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear
dei:LegalEntity
us-gaap:NumberOfStatesInWhichEntityOperates

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent

us-gaap:OtherAssetsMiscellaneous

us-gaap:OtherInvestments
us-gaap:ConsolidatedEntities
us-gaap:FairValueByMeasurementBasis, us-gaap:InvestmentType
us-gaap:FinancialInstrument, us-gaap:InvestmentType
us-gaap:InvestmentType

us-gaap:OtherLiabilities
us-gaap:ConsolidatedEntities

us-gaap:OtherShortTermInvestments
us-gaap:ConsolidatedEntities
us-gaap:StatementBusinessSegments
us-gaap:ParticipatingPoliciesAmountInForce

us-gaap:PremiumsReceivableAtCarryingValue

us-gaap:PrepaidReinsurancePremiums

us-gaap:PrepaidTaxes
us-gaap:StatementBusinessSegments
us-gaap:ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments

us-gaap:ReinsuranceRecoverables
us-gaap:StatementBusinessSegments

us-gaap:ReinsuranceRecoverablesOnPaidAndUnpaidLosses

us-gaap:RestrictedCashAndCashEquivalents

us-gaap:SecuritiesLoanedAsset
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:SecuritiesFinancingTransaction
us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:SecuritiesFinancingTransaction
us-gaap:FinancialInstrument, us-gaap:InvestmentType, us-gaap:SecuritiesFinancingTransaction
us-gaap:InvestmentType, us-gaap:SecuritiesFinancingTransaction
us-gaap:SecuritiesFinancingTransaction
us-gaap:SecuritiesReceivedAsCollateral

us-gaap:SeniorNotes
us-gaap:ConsolidatedEntities
us-gaap:FairValueByMeasurementBasis
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
us-gaap:AwardType
us-gaap:SharePrice
us-gaap:AwardType
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpenseNet
us-gaap:ProductOrService, us-gaap:ShortdurationInsuranceContractsAccidentYear
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearEight
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearFive
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearFour
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearNine
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearOne
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearSeven
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearSix
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearTen
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearThree
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsHistoricalClaimsDurationYearTwo
us-gaap:ProductOrService, us-gaap:ShortdurationInsuranceContractsAccidentYear
us-gaap:ShortdurationInsuranceContractsIncurredButNotReportedIbnrClaimsLiabilityNet
us-gaap:ProductOrService
us-gaap:ShortdurationInsuranceContractsIncurredClaimsAndAllocatedClaimAdjustmentExpenseNet
us-gaap:ProductOrService, us-gaap:ShortdurationInsuranceContractsAccidentYear
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndAllocatedClaimAdjustmentExpenseNet
us-gaap:StatementBusinessSegments
us-gaap:ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAccumulatedUnallocatedClaimAdjustmentExpense
us-gaap:ProductOrService, us-gaap:ShortdurationInsuranceContractsAccidentYear
us-gaap:ShortdurationInsuranceContractsNumberOfReportedClaims
dei:LegalEntity, us-gaap:StatementScenario
us-gaap:StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPayments
dei:LegalEntity
us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance
dei:LegalEntity
us-gaap:StatutoryAccountingPracticesStatutoryCapitalAndSurplusRequired
us-gaap:ShareRepurchaseProgram
us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
us-gaap:ShareRepurchaseProgram, us-gaap:SubsequentEventType

us-gaap:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmount
us-gaap:InvestmentType

us-gaap:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCost
us-gaap:InvestmentType

us-gaap:SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesFairValue
us-gaap:InvestmentType
dei:LegalEntity
us-gaap:SurplusNotes
us-gaap:IncomeTaxAuthority
us-gaap:TaxesPayableCurrentAndNoncurrent

us-gaap:TradingSecuritiesDebt

us-gaap:TradingSecuritiesDebtAmortizedCost

us-gaap:TreasuryStockShares
us-gaap:ConsolidatedEntities

us-gaap:UnbilledContractsReceivable

us-gaap:UnearnedPremiums

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
us-gaap:ReasonablyPossibleSignificantChangeInUnrecognizedTaxBenefitsByItem

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Interest Expense
Balance Sheet
Finite Lived Intangible Assets Net
Assets
Operating Lease Right Of Use Asset
Current Assets
Cash And Cash Equivalents At Carrying Value
NonCurrent Assets
Finite Lived Intangible Assets Net
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
NetCashProvidedByUsedInInvestingActivities
Payments For Proceeds From Other Investing Activities
NetCashProvidedByUsedInFinancingActivities
Net Cash Provided By Used In Financing Activities
Shares
Treasury Stock Shares
DividendsAndRepurchase
Payments Of Dividends Common Stock
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Due Next Twelve Months

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 ▆▆▆▆▆▆▇▇▇█████████████▇▇▇▆▆▆▆▄▄▄▄▄▁▁▁▁▁▁▁▁▁0.2070.210.210.210.210.2080.2190.220.2230.230.2310.2310.2310.2330.2330.2330.2330.2330.2320.2320.2320.2320.2240.2240.2260.2090.2090.2090.2090.1910.1910.1910.1910.190.1510.1510.1510.1510.1510.1510.1510.150.15NANANA
us-gaap:CommonStockParOrStatedValuePerShare NANANA1e-091e-091e-091e-091e-091e-091e-091e-091e-091e-091e-091e-091e-091e-091e-091e-091e-091e-091e-091e-091e-091e-091e-091e-091e-091e-091e-091.0000000000000001e-111e-091e-091e-091e-091e-091e-091e-091e-091e-091e-091e-091e-09NANANA
us-gaap:CommonStockSharesIssued NANANA210.061209.997208.364219.123220.174223.312229.817231.132230.978401230.875884233.160146233.416989232.894636232.75736232.663818232.091921231.967395231.844615231.825865224.432465224.430472226.147213208.974967208.60102208.597427208.561438190.712673190.636972190.634951190.565887190.348457151.131173151.126371151.001568150.758271150.666446150.661461150.574956150.567283150.507853NANANA
 us-gaap:CommonStockSharesIssued us-gaap:ConsolidatedEntities srt:ParentCompany▁▇█207.25209.846210.13NANANA219.123NANANA231.132NANANA233.417NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CommonStockSharesAuthorized NANANA485.0485.0485.0485.0485.0485.0485.0485.0485.0485.0485.0485.0485.0485.0485.0485.0485.0485.0485.0485.0485.0485.0485.0485.0485.0485.0485.0485.0485.0485.0325.0325.0325.0325.0325.0325.0325.0325.0325.0325.0NANANA
us-gaap:CommonStockSharesOutstanding NANANA191.556191.492190.387201.164202.219205.399212.136213.473213.333428213.23237215.542607215.814188215.298551215.174898215.090781214.521079214.405103214.283918214.265168206.871768206.869775208.586516191.415726191.05353191.049937191.013948173.166892173.099515173.097494173.028101172.8645133.647216133.642414133.520514133.290984133.199159133.194174133.113518133.105845133.049213NANANA
 us-gaap:CommonStockSharesOutstanding us-gaap:ConsolidatedEntities srt:ParentCompany▁▇█188.29191.311191.606NANANA201.164NANANA213.473NANANA215.814NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▄▄▄▄▄▅▅▅▆▆▆▆▆▆▆▆▆▆▆▆▆▇███▇▇▇▇▆▃▃▃▁194.638195.203194.663194.156193.299201.819205.165208.691213.603218.343217.883217.902217.83219.883220.25219.391215.152221.497224.776225.968226.203239.707247.981250.795246.65243.048242.801238.067230.779222.668173.099171.83171.783144.355NA134.033132.346132.465NA133.513133.614133.703NA133.52110.28282.341
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▁█193.436193.439NA193.176193.299200.161NA203.107208.097213.537NA213.309213.976215.967NA215.279215.152214.925NA214.387214.274203.706NA207.938193.112191.224NA191.05182.583173.165NA171.83171.783144.355NA132.521132.346132.465NA132.364132.185132.427NA132.324110.28282.341
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:StockCompensationPlanNANANA0.712.2950.132NA0.00.1680.169NA0.3380.4840.17NA0.6765.9750.445NA1.0451.0420.709NA0.4690.2640.5404NA0.557241.48380.9464NANA39.4767965.198389NANANA4.5384NANANANANANANANA
us-gaap:EarningsPerShareBasic ▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇█▇▇▇▇▇▇▆▆▇▆▆▆▇▇▇▁▇▄▄0.80.650.75999999999999980.7-0.150.70.770.850.80.80.66000000000000010.670.980.530.0300000000000000270.3-0.130.360.290000000000000040.390.460.330.35999999999999990.340.260.482.290.80.961.170.25-0.07-0.19-1.3-1.34000000000000030.11-0.9-1.28-0.92000000000000041.391.040.78-9.540.85-4.31-3.77
us-gaap:EarningsPerShareDiluted ▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇▇█▇▇▇▇▇▇▆▆▇▆▆▆██▇▁▇▄▅0.80.640.760.7-0.150.70.790.830.780.780.640.660.960.520.030.3-0.130.340.270.370.440.290.320.290.220.391.780.670.780.940.21-0.07-0.19-1.3-1.34000000000000030.11-0.9-1.28-0.90000000000000041.371.030.77-9.540.84-4.31-3.77
  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
  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 ▆▃▅▅▅▄▅▅▆▆▅▅▅▄▃▄▃▄▃▄▅▄▄▄▃▄█▅▅▅▄▃▃▁▁▃▂▁▂▅▅▄217.327-21.382179.769154.911152.40959.774146.033210.615237.698249.371138.099141.5182.48159.9265.62871.298-5.86285.504-16.77986.171137.426107.51763.20574.206-21.16100.446430.865151.587184.506206.7244.414-8.008-32.246-180.055-178.93913.897-119.945-161.628-105.764158.962154.389112.851NANANANA
us-gaap:CostOfGoodsAndServicesSold NANA21.624.35317.97222.14127.27829.04427.84524.15724.93925.85424.20523.12623.34927.2425.63528.375NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense ▂▃▂▃▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▂▁▂▂▂▂▃▃▂▂▃▅▃▄▃█▄▃▄▄▃▃▅▄4.8388.9967.39510.1666.0157.4136.7836.4356.2035.8936.4855.6675.9967.1175.8715.5546.1236.7295.5796.1195.3936.3894.8312.886.9637.756.4436.0348.4218.6146.5057.95810.00617.19510.09812.92710.80528.04612.79611.44914.38714.13110.7511.05416.79714.868
us-gaap:GainLossOnInvestments ▆▅▆▇█▃▆▆▆▇▃▄▄▃▅▅▅▅▁▆█12.91-2.39114.57616.97228.411-15.8286.4279.01610.83817.782-13.272-3.942-6.821-17.09-0.9172.3214.756-2.953-35.7597.84629.265NANANANANANANANANANANANA-5.5056.35184.65926.41967.45938.86681.6444.23637.435-69.52494.25857.26257.948
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest ▇▆▇▆▁▇████▇▇▇▆▇▅▁▅▅▆▆▅▅▅▄▆▄▅▅195.496161.189179.167161.205-42.224181.293205.639217.673209.545216.136176.485184.688180.571142.442164.727102.814-35.474114.6797.796126.941156.547102.402104.71115.68579.984137.4570.677116.49592.887NANANANANANANANANANANANANANANANANA
us-gaap:IncomeTaxExpenseBenefit ▅▅▅▅▅▅▅▅▅▅▅▅▅▅▆▅▅▅▅▅▅▅▅▅▅▅▁▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅█▅▄▄40.2935.58131.15426.102-12.27340.83244.45544.23542.81545.17936.70641.891-28.37827.956157.91137.672-8.13238.19836.70744.13858.43536.15330.18245.59434.79145.723-855.413-0.343.576-0.241-0.9213.9091.665-14.72320.451-6.732.443-8.89365.3816.045-2.048-3.016612.92252.521-252.143-187.111
us-gaap:InterestExpense ▇▇▇▇▅▃▃▃▄▄▄▄▄▄▄▄▄▄▅▆▇▇▆▇████▇▆▆▆▆▄▃▃▃▄▄▄▄▅▃▂▁▂21.06521.11521.16921.08816.69912.19412.1613.49214.96115.69715.58415.53515.29115.0814.92915.71516.17915.93817.26919.78322.54621.53420.99621.2224.50124.38524.223.98922.34819.92719.74719.5719.4215.88112.58312.5212.58114.14814.19714.09416.07917.02413.2269.5028.24510.804
us-gaap:NetIncomeLoss ▇▇▇▇▆▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆▇▆▆▆▆▆█▇▇▇▆▆▆▅▅▆▆▅▆▇▇▇▁▇▄▅155.206125.608148.013135.103-29.951140.461161.184173.438166.73170.957139.779142.797208.949114.4866.81665.142-27.34276.47261.08982.80398.11266.24974.52870.09150.04892.257428.335153.59174.833202.75936.369-12.682-33.172-187.5-177.30214.325-119.259-169.232-121.539183.568137.115103.006-1132.617112.185-475.08-310.355
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▄▃▄▄▁▄▄▄▄▄▄▄▅▃▂▂▁▃▂▃▃▂▃▃▂▃█▄▄▅155.206125.608148.013135.103-29.951140.461161.184173.438166.73170.957139.779142.797208.949114.4866.81665.142-27.34276.47261.08982.80398.11266.24974.52870.09150.04892.257428.335153.59174.833202.759NANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted ▅▅▅▅▃▅▅▅▅▅▅▅▆▄▃▄▃▄▄▄▄▄▄▄▄▄█▅▅▆▄▃▃▁155.206125.608148.013135.103-29.951140.461161.184173.438166.73170.957139.779142.797208.949114.4866.81665.142-27.34276.25761.75483.65199.02569.63978.19273.80553.75595.93426.197159.142180.336208.21436.369-12.682-33.172-187.5NANANANANANANANANANANANA
us-gaap:NetInvestmentIncome ▆▇▇▆▇▇▇████▇▆▅▅▅▄▅▄▄▄▄▃▂▂▁▁▃▃▃▁▄▄▄▃▃▅36.29138.25138.11536.25538.72340.94441.43242.75643.76143.84742.05138.99537.47333.95633.60532.5430.07131.03228.99628.4328.83927.20122.83322.09119.28517.32816.53126.17825.73724.22917.72226.73227.61526.87323.11225.63530.877NANANANANANANANANA
us-gaap:OperatingExpenses ▁█141.498167.624NA214.029406.665147.788NA162.665185.419147.493NA145.998138.686149.148NA209.239338.386174.084NA193.942173.621210.55NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▅▁▅▅█▂▄▅▆▆▄▄▄▃▄▄▅▄▂▄▅▅▄▄▃▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄62.121-146.9931.75619.808182.36-80.687-15.15137.17770.96878.414-1.68-1.297-26.468-54.56-1.1886.15621.489.032-77.8683.36839.31441.268-11.3234.115-71.2088.1892.53-2.0039.6733.9618.0454.6740.9267.445-1.637-0.428-0.6867.60415.775-24.60617.274NANANANANA
us-gaap:OtherIncome ▅▅▅▅▅▅▅▅▄▅▅▅▅▅▅▅▅▅▁▇▇▆▅▅▅▅▅▅▅▅▅▅▆▅▅▅▅▅▅▅▅▅▆▆▃█0.8220.9760.790.9131.0720.8220.8180.8790.1941.6041.0311.1741.0160.8070.7680.760.6120.746-5.2633.4973.4231.9151.5151.7111.7431.4321.7051.1711.8171.1270.9161.3142.2341.7711.6271.3281.3951.441.5511.4041.1961.4483.0421.951-2.0725.775
us-gaap:PolicyholderBenefitsAndClaimsIncurredNet ▁▂▂▃█▂▂▂▂▁▂▁▁▂3.64846.14356.66488.084304.41835.95134.61929.23147.42720.75427.1420.88119.33737.283NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PremiumsEarnedNet ▆▆█▇▅▇█▇█▆▆▆▅▅▅▅▄▄▄▅▄▄▄▄▅▄▄▄▃▃▃▃▃▂▂▂▂▁▂▂▂▃▄▃▃▃254.756271.872302.14286.471249.295277.415301.486281.185299.166263.512261.682258.431251.344242.55245.175236.702229.096221.8233.585238.149229.085220.95226.443227.433237.437224.595224.293227.156214.114205.665200.356211.984213.124192.588193.875190.963186.779167.365184.413179.655188.934203.023220.082203.937203.446198.268
us-gaap:Revenues ▆▆▆▆▆▆▆▆▆▆▆▆▆▅▆▆▆▅▅▆▆▆▅▅▆▅▄▆▆▆▅▅▅▃▅▅▄▅▆▇▇█▃█▁▄336.994328.813369.861375.234364.441329.081388.024380.338394.964363.629331.473330.686319.257291.59317.912312.053302.912288.754274.449320.883330.168312.952274.882297.292330.416290.66372.723309.251344.455346.256271.585244.578200.44242.382226.059260.789158.192180.368364.551508.052471.951603.289-45.905581.331-245.774127.813
  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 ███▇▇▄▅▄▄▄▃▃▃▂▂▂▂▂▂▂▃▂▁▂▂▅▅▂▂▁▁▂▂▃▂▂▂▄▄▆▅▆▇8009.0687920.8617948.0217777.3457569.3096690.4326808.3136670.6026592.1266599.5696314.6526269.4846139.4886010.2495900.8815844.2735817.1065827.765863.1746049.8276067.2635969.3915642.15760.9165736.5046813.8556859.9635959.6915932.5515528.9855621.6915758.5736054.06370.9495903.26041.3576031.536448.5216656.7657246.2856928.7967351.5637620.887NANANA
us-gaap:Liabilities ▃▃▃▃▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▂▂▄▄▄▄▄▄▅▅▆▅▅▅▆▆▇▆▇█3675.2353685.5693663.6683654.9663583.3042825.9242759.592748.0952808.8822889.4782825.9372922.2062938.3522957.8332900.8432856.0712902.9462906.4522990.8883161.1213261.8963308.9933145.1693317.6093374.564537.9614688.2134225.294348.3044382.4024682.0464864.0535151.1345439.9035166.8755126.1045130.6425429.0935474.4745957.8495799.4866378.6666761.107NANANA
us-gaap:LiabilitiesAndStockholdersEquity ███▇▇▄▅▄▄▄▃▃▃▂▂▂▂▂▂▂▃▂▁▂▂▅▅▂▂▁▁▂▂▃▂▂▂▄▄▆▅▆▇8009.0687920.8617948.0217777.3457569.3096690.4326808.3136670.6026592.1266599.5696314.6526269.4846139.4886010.2495900.8815844.2735817.1065827.765863.1746049.8276067.2635969.3915642.15760.9165736.5046813.8556859.9635959.6915932.5515528.9855621.6915758.5736054.06370.9495903.26041.3576031.536448.5216656.7657246.2856928.7967351.5637620.887NANANA
us-gaap:StockholdersEquity ████▇▇▇▇▇▇▆▆▆▆▅▅▅▅▅▅▅▅▄▄▄▄▄▃▃▂▁▁▁▁▁▁▁▂▂▂▂▁▁4333.8334235.2924284.3534122.3793986.0053864.5084048.7233922.5073783.2443710.0913488.7153347.2783201.1363052.4163000.0382988.2022914.1442920.4252872.2862888.7062805.3672660.3982496.9312435.572353.3982206.9122097.061734.4011584.2471055.567939.645894.52902.866931.046736.325915.253900.8881019.4281182.2911288.4361129.31972.897859.78NANA1712.361
  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 █▆▅▅▄▃▅▃▄▇▆▆▆▇▅▄▃▄▃▃▃▄▃▄▃▃▂▂▃▁▁▂▂▂▂▂▂▂▂▁▁▁▁▁▁▄134.939102.77687.91582.0268.38754.10892.72949.39374.111118.66895.393104.41395.573122.48180.56961.91756.91873.70152.14946.35655.06264.84446.89869.0351.38157.20430.46531.90845.11520.96323.85835.32531.83129.33431.55528.16232.61731.78435.58921.86321.12219.20920.33419.55927.16768.103
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents █▇▄▄▄▂▅▁▃▇▅▆▅▇▅▅▃▄▂▁▂137.907123.76394.14686.44484.66661.92596.27452.24679.118127.754107.002114.338104.725130.10496.298.80582.40486.3961.81456.66864.36NA59.898NANANANANANANANANANANANANANANANANANANANANANANA
  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 NANA234.486NANANA229.813NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross rdn:PropertyAndEquipmentByType us-gaap:FurnitureAndFixturesNANA65.478NANANA65.087NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross rdn:PropertyAndEquipmentByType us-gaap:LeaseholdImprovementsNANA32.975NANANA32.872NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross rdn:PropertyAndEquipmentByType us-gaap:SoftwareAndSoftwareDevelopmentCostsNANA136.033NANANA131.854NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA154.02970.51968.68167.00868.468.566.264.562.961.0115.5112.1106.0101.7126.8122.6118.5114.4111.5109.2106.9105.1103.3101.6100.207104.503103.28102.436101.625100.9100.18199.67598.90996.6498.54297.49596.40396.31495.20493.82292.451NANANA
 us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment rdn:PropertyAndEquipmentByType us-gaap:FurnitureAndFixturesNANA56.697NANANA55.027NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment rdn:PropertyAndEquipmentByType us-gaap:LeaseholdImprovementsNANA15.608NANANA13.409NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment rdn:PropertyAndEquipmentByType us-gaap:SoftwareAndSoftwareDevelopmentCostsNANA81.724NANANA73.498NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AmortizationOfIntangibleAssets NANA2.1810.9610.9790.9792.1352.1392.1392.1873.4323.472NANANANANANANANANANANANANANA5.3063.294NANA0.00.0NANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentNet ▇▇▇▃▃▃▃▃▃▄▄▄█████▇▆▆▅▅▄▄▃▃▃▂▂▁▁▁▁▁▁▁▁▁▁▁▂▁▂74.28878.30980.45727.16827.50428.12529.52334.33935.74239.5337.0938.0690.18487.33287.04288.11987.54174.24170.66567.47858.851.00346.80242.17935.3828.87527.24822.07719.32812.48210.5169.1266.6727.1057.4566.6737.34110.33311.04411.93615.99912.41113.024NANANA
 us-gaap:Goodwill us-gaap:StatementBusinessSegments rdn:HomegeniusSegment9.8NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:Goodwill us-gaap:StatementBusinessSegments rdn:RealEstateSegmentNA9.89.8029.8029.802NA9.802NANANA14.092NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:FiniteLivedIntangibleAssetsNet NANA13.241NANANA18.385NANA42.18144.90644.78548.25750.54353.2956.04558.93577.77281.058NANA90.89994.24793.01496.3299.55296.30899.606NANA0.205NANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass,us-gaap:StatementBusinessSegments us-gaap:CustomerRelationships,rdn:HomegeniusSegment10.46NA11.991NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass,us-gaap:StatementBusinessSegments us-gaap:CustomerRelationships,rdn:RealEstateSegmentNA11.22611.99113.80214.629NA16.281NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass,us-gaap:StatementBusinessSegments us-gaap:LicensingAgreements,rdn:HomegeniusSegment0.294NA0.335NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass,us-gaap:StatementBusinessSegments us-gaap:LicensingAgreements,rdn:RealEstateSegmentNA0.3140.3350.3480.359NA0.382NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass,us-gaap:StatementBusinessSegments us-gaap:TechnologyBasedIntangibleAssets,rdn:HomegeniusSegment0.762NA0.915NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass,us-gaap:StatementBusinessSegments us-gaap:TechnologyBasedIntangibleAssets,rdn:RealEstateSegmentNA0.8390.9151.2971.401NA1.646NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass,us-gaap:StatementBusinessSegments us-gaap:TrademarksAndTradeNames,rdn:RealEstateSegmentNANANA0.0190.038NA0.076NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:LongLivedAssetsHeldForSaleByAssetType,us-gaap:StatementBusinessSegments us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations,rdn:RealEstateSegmentNANA3.7NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:StatementBusinessSegments rdn:HomegeniusSegment11.516NA13.241NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:StatementBusinessSegments rdn:RealEstateSegmentNA12.37913.24115.46616.427NA18.385NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IntangibleAssetsNetIncludingGoodwill ▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▂▇▇██████████21.31822.18123.04325.26826.22927.20828.18752.53354.67256.81158.99855.70759.17961.46564.21266.96769.857273.068276.228279.4282.703286.069289.417287.334290.64293.798288.24293.632296.948NA2.3NANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset ▆▆▆▆▆▆▇▇██▁34.66231.26532.98534.66233.85135.83737.86642.61344.84447.150.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EquitySecuritiesFvNi █▆▆▂▃▁▅▄▆▅▅175.147141.412151.2491.317104.51374.853130.221121.759149.954125.025130.565NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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:LongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType rdn:SeniorNotesDue2024,us-gaap:SeniorNotes█▇▆▅▄▃▂▁446.065445.787445.512445.241444.972444.707444.445444.186NANA443.428NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType rdn:SeniorNotesDue2025,us-gaap:SeniorNotes█▆▄▃▁517.503517.065516.634516.21515.794NA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:DebtInstrument,us-gaap:LongtermDebtType rdn:SeniorNotesDue2027,us-gaap:SeniorNotes█▇▆▅▄▃▂▁443.977443.751443.528443.308443.091442.877442.665442.457NANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:LongtermDebtType us-gaap:SeniorNotes█████▁▁▁1407.5451406.6031405.6741404.7591403.857887.584887.11886.643NANA1030.348NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:DeferredIncomeTaxLiabilitiesNet █▁▁266.33210.571213.897NANANA71.084NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo NANA10.04NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree NANA10.17NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour NANA9.904NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA7.976NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA39.87NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 ████▇▇▇▇▇▇▆▆▆▆▅▅▅▅▅▅▅▅▄▄▄▄▄▃▃▂▁▁▁▁▁▁▁▂▂▂▂▁▁4333.8334235.2924284.3534122.3793986.0053864.5084048.7233922.5073783.2443710.0913488.7153347.2783201.1363052.4163000.0382988.2022914.1442920.4252872.2862888.7062805.3672660.3982496.9312435.572353.3982206.9122097.061734.4011584.2471055.567939.645894.52902.866931.046736.325915.253900.8881019.4281182.2911288.4361129.31972.897859.78NANA1712.361
us-gaap:CommonStockValue ▆▆▆▆▆▆▇▇▇█████████████▇▇▇▆▆▆▆▄▄▄▄▄▁▁▁▁▁▁▁▁▁0.2070.210.210.210.210.2080.2190.220.2230.230.2310.2310.2310.2330.2330.2330.2330.2330.2320.2320.2320.2320.2240.2240.2260.2090.2090.2090.2090.1910.1910.1910.1910.190.1510.1510.1510.1510.1510.1510.1510.150.15NANANA
us-gaap:AdditionalPaidInCapital ▁██2161.8572242.952245.897NANANA2449.884NANANA2724.733NANANA2754.275NANANA2779.8912778.862781.1362773.3492716.6182718.212709.7212541.5852531.5132599.1832600.6162256.4362347.1042346.5912346.9322342.1511967.4141967.2451966.7671965.331966.5651966.2531965.7391963.3821963.092NANANA
us-gaap:AdditionalPaidInCapitalCommonStock NANANA2238.8692232.9492231.672449.8842469.0972539.8032697.7242724.7332720.6262715.4262748.2332754.2752747.3932743.8722743.5942779.891NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:RetainedEarningsAccumulatedDeficit ███▇▇▇▇▇▆▆▆▅▅▅▄▄▄▄▄▄▄▄▄▃▃▃▃▂▂▁▁▁▁▁▁▂▂▂▂▃▂▂▂2913.1382785.7442684.6362561.0762450.4232504.8532389.7892229.1072056.1751889.9641719.5411580.2961438.0321229.6161116.3331110.0571045.4531073.333997.89937.338855.07757.202691.742617.731548.161498.593406.814-21.044-174.634-349.467-552.226-588.595-575.913-542.741-355.241-177.939-192.264-73.00596.227218.09534.861-101.92-204.926NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▆▅█▇▇▃▅▅▄▃▁▁▁▂▃▃▃▂▂▄▄▃▂▂▂▄▃▃▃▃▃▃▃▃▃▃▃▃▃▂▃▂▂178.856116.735263.725231.969212.16129.801110.488125.63988.46217.494-60.92-59.24-57.943-31.47523.08524.27318.117-3.363-12.39565.47362.10522.791-18.477-7.419-11.53459.67451.48549.01451.01741.34437.38329.1424.46623.5416.09517.8918.31819.00411.4-4.01120.5953.321-6.524NANANA
us-gaap:TreasuryStockValue █▆▅▅▅▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁920.225910.347910.115909.745909.738902.024901.657901.556901.419895.321894.87894.635894.61894.191893.888893.754893.531893.372893.332893.197893.176893.176893.176893.176893.176893.149892.961892.961892.961892.937892.807892.807892.81892.094892.094892.094892.084892.052892.052892.052892.036892.036892.012NANANA
 us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents us-gaap:AdditionalPaidInCapital▇▄▆▄▁▅▅▄▅▃▃▄▆▂▃▃▄▃▁▃█▄▂▆▃▃8.1914.5236.9815.0951.2435.8456.2955.1696.2553.6953.8414.1867.0942.5283.2012.6144.4543.2220.6253.2049.8164.6122.2996.723.3713.123NANANANANANA3.1670.2080.2120.210.9780.1230.1720.0621.3290.2740.2250.231.231.624
  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 ▆▇▇█▇▇▇▇▆█▇▇▇▆▇▄▆▅▆▆▆▅▄▅▃▃▅▄▁▁122.867153.029159.678193.465149.491155.8187.626168.676120.351217.778185.857191.107182.375118.447142.1512.013122.4883.93291.587135.639112.62941.86921.50760.811-56.475-12.08885.98837.698-122.85-137.01NANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▄▄▄▁▅▄▅▅▄▄▄▃▄▄▅▄▅▄▅▄▄▅▅▅▅▄▅▃▆▅▇▆▂▅▅▆▇▆▆█▆▂█▃▇5.545-81.938-145.523-157.222-612.42831.993-139.146-18.10940.549-185.343-183.014-129.7-256.96-119.74-126.263-25.032-98.73148.534-89.00392.999-105.464-74.59-17.662-41.89926.64734.703-85.401-49.598-337.085134.45289.642279.932127.997-437.27272.45885.257220.181283.177144.083158.198512.095258.279-475.973477.789-357.695308.094
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▃▃▃▇▁▃▁▁▃▃▃▃▃▃▃▃▂▃▁▃▃▃▃▃▃▃▃▇▃▃▃▃█▃▃▃▂▃▃▂▃▆▃▇▃-114.268-41.474-6.453-34.465485.678-222.142-4.452-177.439-209.532-11.683-10.179-51.79549.20635.154-18.76329.381-27.788-107.914-0.027-237.241-16.66950.668-25.886-1.16426.7210.93-0.476-1.271484.107-0.344-3.814-0.3660.07601.051-0.334-9.826-11.888-132.548-0.325-0.334-160.334-0.333390.976-0.63525.854-29.553
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▆▇▅▅▆▂█▃▁▆▄▅▃▇▄▆▄▇14.14429.6177.7021.77822.741-34.34944.028-26.872-48.63620.752-7.3369.613-25.37933.86-2.56116.401-3.98624.576NA-7.692NANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 ▆▇▇█▇▇▇▇▆█▇▇▇▆▇▄▆▅▆▆▆▅▄▅▃▃▅▄▁▁122.867153.029159.678193.465149.491155.8187.626168.676120.351217.778185.857191.107182.375118.447142.1512.013122.4883.93291.587135.639112.62941.86921.50760.811-56.475-12.08885.98837.698-122.85-137.01NANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss ▇▇▇▇▆▇▇▇▇▇▇▇▇▇▆▆▆▆▆▆▇▆▆▆▆▆█▇▇▇▆▆▆▅▅▆▆▅▆▇▇▇▁▇▄▅155.206125.608148.013135.103-29.951140.461161.184173.438166.73170.957139.779142.797208.949114.4866.81665.142-27.34276.47261.08982.80398.11266.24974.52870.09150.04892.257428.335153.59174.833202.75936.369-12.682-33.172-187.5-177.30214.325-119.259-169.232-121.539183.568137.115103.006-1132.617112.185-475.08-310.355
  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 ▅▄▄▄▁▅▄▅▅▄▄▄▃▄▄▅▄▅▄▅▄▄▅▅▅▅▄▅▃▆▅▇▆▂▅▅▆▇▆▆█▆▂█▃▇5.545-81.938-145.523-157.222-612.42831.993-139.146-18.10940.549-185.343-183.014-129.7-256.96-119.74-126.263-25.032-98.73148.534-89.00392.999-105.464-74.59-17.662-41.89926.64734.703-85.401-49.598-337.085134.45289.642279.932127.997-437.27272.45885.257220.181283.177144.083158.198512.095258.279-475.973477.789-357.695308.094
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment NANANA4.1295.6444.95NA5.58.5486.659NA7.9957.6264.702NA11.7295.7577.687NA11.626NANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PaymentsToAcquireInvestments NANANA3.7795.11860.309NA13.89512.08619.767NA7.26832.36319.994NA1.888193.4090.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▂▃▃▃▇▁▃▁▁▃▃▃▃▃▃▃▃▂▃▁▃▃▃▃▃▃▃▃▇▃▃▃▃█▃▃▃▂▃▃▂▃▆▃▇▃-114.268-41.474-6.453-34.465485.678-222.142-4.452-177.439-209.532-11.683-10.179-51.79549.20635.154-18.76329.381-27.788-107.914-0.027-237.241-16.66950.668-25.886-1.16426.7210.93-0.476-1.271484.107-0.344-3.814-0.3660.07601.051-0.334-9.826-11.888-132.548-0.325-0.334-160.334-0.333390.976-0.63525.854-29.553
us-gaap:PaymentsOfDividendsCommonStock █▇▇▇▇▇▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁27.94124.09524.09324.06424.16325.1380.5020.5060.5190.5340.5340.5330.5330.540.540.5380.5380.5380.5370.5350.5360.4970.5170.5210.480.4780.4770.4780.4770.4330.4320.4330.4330.3340.3340.3350.3330.3330.3290.3340.3340.3330.3340.3320.3310.205
us-gaap:PaymentsForRepurchaseOfCommonStock ▄▁▁▁▁█▂▄▆▂▁▁▂▁▁▁▁▁▁▁▁▄▁▁▇▁▁▁90.0588.6370.00.00.0226.30525.01686.368157.04331.7740.00.040.0510.0030.00.00.0060.00.00.0-0.012100.20.00.0202.00.00.00.0NANANANANANANANANANANANANANANANANANA
  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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value207000.0210000.0210000.0210000.0210000.0208000.0219000.0220000.0223000.0230000.0231000.0231000.0231000.0233000.0233000.0233000.0233000.0233000.0232000.0232000.0232000.0232000.0224000.0224000.0226000.0209000.0209000.0209000.0209000.0191000.0191000.0191000.0191000.0190000.0151000.0151000.0151000.0151000.0151000.0151000.0151000.0150000.0150000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value210000.0219000.0231000.0233000.0
Percentage of CommonStockValue100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0
Percentage of Assets srt:ParentCompany0.00.00.00.0

Common Stock Par Or Stated Value Per Share

us-gaap:CommonStockParOrStatedValuePerShare

us-gaap:CommonStockParOrStatedValuePerShare


Common
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value0.0010.0010.0010.0010.0010.0010.0010.0010.0010.0010.0010.0010.0010.0010.0010.0010.0010.0010.0010.0010.0010.0010.0010.0010.0010.0010.0011e-050.0010.0010.0010.0010.0010.0010.0010.0010.0010.0010.0010.001
Percentage of CommonStockParOrStatedValuePerShare100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value210209208219220223229231230230233233232232232232231231231224224226208208208208190190190190190151151151150150150150150150
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesIssued us-gaap:ConsolidatedEntities

srt:ParentCompany


Common
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-31
Value207209210219231233
Percentage of CommonStockSharesIssued0.00.00.0100.0100.0100.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesAuthorized


Common
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value485485485485485485485485485485485485485485485485485485485485485485485485485485485485485485325325325325325325325325325325
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value191191190201202205212213213213215215215215215214214214214206206208191191191191173173173173172133133133133133133133133133
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesOutstanding us-gaap:ConsolidatedEntities

srt:ParentCompany


Common
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-31
Value188191191201213215
Percentage of CommonStockSharesOutstanding0.00.00.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value19419519419419320120520821321821721721721922021921522122422522623924725024624324223823022217317117114413413213213313313313311082
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value19319319319320020320821321321321521521521421421420320719319119118217317117114413213213213213213213211082
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:StockCompensationPlan


Antidilutive
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-06-302013-03-312012-03-31
Value0.712.2950.1320.00.1680.1690.3380.4840.170.6765.9750.4451.0451.0420.7090.4690.2640.54040.557241.48380.9464395.1983894.5384
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.80.650.760.7-0.150.70.770.850.80.80.660.670.980.530.030.3-0.130.360.290.390.460.330.360.340.260.482.290.80.961.170.25-0.07-0.19-1.3-1.340.11-0.9-1.28-0.921.391.040.78-9.540.85-4.31-3.77
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
Value0.80.640.760.7-0.150.70.790.830.780.780.640.660.960.520.030.3-0.130.340.270.370.440.290.320.290.220.391.780.670.780.940.21-0.07-0.19-1.3-1.340.11-0.9-1.28-0.91.371.030.77-9.540.84-4.31-3.77
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value217-21.38217915415259146210237249138141182595.62871-5.86285-16.779861371076374-21.1610043015118420644-8.008-32.246-180.055-178.93913-119.945-161.628-105.764158154112
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues64.5-6.548.641.341.818.237.655.460.268.641.742.857.220.61.822.8-1.929.6-6.126.941.634.423.025.0-6.434.6592.549.053.659.716.4-3.3-16.1-424.8-79.25.3-75.8-89.6-29.031.332.718.7

Cost Of Goods And Services Sold

us-gaap:CostOfGoodsAndServicesSold

us-gaap:CostOfGoodsAndServicesSold


Cost
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value21241722272927242425242323272528
Percentage of CostOfGoodsAndServicesSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues5.86.54.96.77.07.67.16.67.57.87.67.97.38.78.59.8

Deferred Policy Acquisition Cost Amortization Expense

us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense

us-gaap:DeferredPolicyAcquisitionCostAmortizationExpense


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
Value4.8388.9967.395106.0157.4136.7836.4356.2035.8936.4855.6675.9967.1175.8715.5546.1236.7295.5796.1195.3936.3894.8312.886.9637.756.4436.0348.4218.6146.5057.9581017101210281211141410111614
Percentage of DeferredPolicyAcquisitionCostAmortizationExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.42.72.02.71.72.31.71.71.61.62.01.71.92.41.81.82.02.32.01.91.62.01.81.02.12.78.92.02.42.52.43.35.040.64.55.06.815.53.52.33.02.3-23.41.9-6.811.6

Gain Loss On Investments

us-gaap:GainLossOnInvestments

us-gaap:GainLossOnInvestments


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value12-2.391141628-15.8286.4279.0161017-13.272-3.942-6.821-17.09-0.9172.3214.756-2.953-35.7597.84629-5.5056.35184266738814437-69.524945757
Percentage of GainLossOnInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues3.8-0.73.94.57.8-4.81.72.42.74.9-4.0-1.2-2.1-5.9-0.30.71.6-1.0-13.02.48.9-13.02.832.516.737.410.716.19.46.2151.516.2-23.345.3

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

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value195161179161-42.224181205217209216176184180142164102-35.47411497126156102104115791377011692
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues58.049.048.443.0-11.655.153.057.253.159.453.255.856.648.951.832.9-11.739.735.639.647.432.738.138.924.247.397.237.727.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value40353126-12.27340444442453641-28.3782715737-8.132383644583630453445-855.413-0.343.576-0.241-0.9213.9091.665-14.72320-6.732.443-8.893656.045-2.048-3.01661252-252.143-187.111
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 Revenues12.010.88.47.0-3.412.411.511.610.812.411.112.7-8.99.649.712.1-2.713.213.413.817.711.611.015.310.515.7-1176.3-0.11.0-0.1-0.31.60.8-34.79.0-2.61.5-4.917.91.2-0.4-0.5-1335.29.0102.6-146.4

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value212121211612121314151515151514151615171922212021242424232219191919151212121414141617139.5028.24510
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues6.36.45.75.64.63.73.13.53.84.34.74.74.85.24.75.05.35.56.36.26.86.97.67.17.48.433.37.86.55.87.38.09.737.55.64.88.07.83.92.83.42.8-28.81.6-3.48.5

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
Value155125148135-29.9511401611731661701391422081146.81665-27.34276618298667470509242815317420236-12.682-33.172-187.5-177.30214-119.259-169.232-121.539183137103-1132.617112-475.08-310.355
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 Revenues46.138.240.036.0-8.242.741.545.642.247.042.243.265.439.32.120.9-9.026.522.325.829.721.227.123.615.131.7589.049.750.858.613.4-5.2-16.5-442.4-78.45.5-75.4-93.8-33.336.129.117.12467.319.3193.3-242.8

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value155125148135-29.9511401611731661701391422081146.81665-27.34276618298667470509242815317420236-12.682-33.172-187.5-177.30214-119.259-169.232-121.539183137103-1132.617112-475.08-310.355
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 Revenues46.138.240.036.0-8.242.741.545.642.247.042.243.265.439.32.120.9-9.026.522.325.829.721.227.123.615.131.7589.049.750.858.613.4-5.2-16.5-442.4-78.45.5-75.4-93.8-33.336.129.117.12467.319.3193.3-242.8
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value155125148135-29.9511401611731661701391422081146.81665-27.342766182986674705092428153174202
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues46.138.240.036.0-8.242.741.545.642.247.042.243.265.439.32.120.9-9.026.522.325.829.721.227.123.615.131.7589.049.750.858.6

Net Income Loss Available To Common Stockholders Diluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted

us-gaap:NetIncomeLossAvailableToCommonStockholdersDiluted


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value155125148135-29.9511401611731661701391422081146.81665-27.34276618399697873539542615918020836-12.682-33.172-187.5
Percentage of NetIncomeLossAvailableToCommonStockholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues46.138.240.036.0-8.242.741.545.642.247.042.243.265.439.32.120.9-9.026.422.526.130.022.328.424.816.333.0586.151.552.460.113.4-5.2-16.5-442.4

Net Investment Income

us-gaap:NetInvestmentIncome

us-gaap:NetInvestmentIncome


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value36383836384041424343423837333332303128282827222219171626252417262726232530
Percentage of NetInvestmentIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues10.811.610.39.710.612.410.711.211.112.112.711.811.711.610.610.49.910.710.68.98.78.78.37.45.86.022.78.57.57.06.510.913.863.410.29.819.5

Operating Expenses

us-gaap:OperatingExpenses

us-gaap:OperatingExpenses


Operating
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
Value141167214406147162185147145138149209338174193173210
Percentage of OperatingExpenses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues42.051.057.0111.644.942.846.940.644.243.451.167.1111.760.360.452.667.3

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
Value62-146.993119182-80.687-15.151377078-1.68-1.297-26.468-54.56-1.1886.156219.032-77.8683.3683941-11.3234.115-71.2088.1892.53-2.0039.6733.9618.0454.6740.9267.445-1.637-0.428-0.6867.60415-24.60617
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 Revenues18.4-44.78.65.350.0-24.5-3.99.818.021.6-0.5-0.4-8.3-18.7-0.42.07.13.1-28.41.011.913.2-4.11.4-21.62.83.5-0.62.81.13.01.90.517.6-0.7-0.2-0.44.24.3-4.83.7

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:OtherComprehensiveIncomeLocation

us-gaap:OtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value62-146.993119182-80.687-15.151377078-1.68-1.297-26.468-54.56-1.1886.156219.032-77.8683.3683941-11.3234.115-71.2088.1892.53-2.0039.6733.9618.0454.6740.9267.445-1.637-0.428-0.68615-24.60617
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues18.4-44.78.65.350.0-24.5-3.99.818.021.6-0.5-0.4-8.3-18.7-0.42.07.13.1-28.41.011.913.2-4.11.4-21.62.83.5-0.62.81.13.01.90.517.6-0.7-0.2-0.44.3-4.83.7
Percentage of Revenues us-gaap:OtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Other Income

us-gaap:OtherIncome

us-gaap:OtherIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.8220.9760.790.9131.0720.8220.8180.8790.1941.6041.0311.1741.0160.8070.7680.760.6120.746-5.2633.4973.4231.9151.5151.7111.7431.4321.7051.1711.8171.1270.9161.3142.2341.7711.6271.3281.3951.441.5511.4041.1961.4483.0421.951-2.0725.775
Percentage of OtherIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues0.20.30.20.20.30.20.20.20.00.40.30.40.30.30.20.20.20.3-1.91.11.00.60.60.60.50.52.30.40.50.30.30.51.14.20.70.50.90.80.40.30.30.2-6.60.30.84.5

Policyholder Benefits And Claims Incurred Net

us-gaap:PolicyholderBenefitsAndClaimsIncurredNet

us-gaap:PolicyholderBenefitsAndClaimsIncurredNet


Policyholder
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value3.648465688304353429472027201937
Percentage of PolicyholderBenefitsAndClaimsIncurredNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues1.114.015.323.583.510.98.97.712.05.78.26.36.112.8

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
Value254271302286249277301281299263261258251242245236229221233238229220226227237224224227214205200211213192193190186167184179188203220203203198
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 Revenues75.682.781.776.368.484.377.773.975.772.578.978.178.783.277.175.975.676.885.174.269.470.682.476.571.977.3308.473.562.259.473.886.7106.3454.485.873.2118.192.850.635.440.033.7-479.435.1-82.8155.1

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
Value3363283693753643293883803943633313303192913173123022882743203303122742973302907230934434627124420042226260158180364508471603-45.905581-245.774127
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:ConsolidationItems

us-gaap:IntersegmentElimination


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.062-0.0592.98-1.617-2.61-0.192-2.883-0.268-0.366-0.516
Percentage of Revenues-0.0-0.00.8-0.4-0.7-0.1-0.7-0.1-0.1-0.1
Percentage of Revenues-0.0-0.00.8-0.4-0.7-0.1-0.7-0.1-0.1-0.1
Percentage of Revenues us-gaap:IntersegmentElimination100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments


Revenuesus-gaap:
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value353313343441347364325
Percentage of Revenues94.285.9104.4113.991.492.289.5
Percentage of Revenues94.285.9104.4113.991.492.289.5
Percentage of Revenues us-gaap:OperatingSegments100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:OperatingSegments, rdn:MortgageAndHomegeniusSegment


Revenuesus-gaap:
Period End2021-06-302020-06-30
Value317309
Percentage of Revenues94.384.9
Percentage of Revenues94.384.9
Percentage of Revenues us-gaap:OperatingSegments rdn:MortgageAndHomegeniusSegment100.0100.0

us-gaap:OperatingSegments, rdn:MortgageandRealEstateServicesSegment


Revenuesus-gaap:
Period End2021-03-312020-03-31
Value329341
Percentage of Revenues100.2103.8
Percentage of Revenues100.2103.8
Percentage of Revenues us-gaap:OperatingSegments rdn:MortgageandRealEstateServicesSegment100.0100.0

us-gaap:Revenues us-gaap:StatementBusinessSegments

rdn:AllOtheractivitiessegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.6434.4619.5665.8586.4937.63335191816
Percentage of Revenues1.11.42.61.61.82.39.15.24.74.6
Percentage of Revenues1.11.42.61.61.82.39.15.24.74.6
Percentage of Revenues rdn:AllOtheractivitiessegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rdn:HomegeniusSegment


Revenuesus-gaap:
Period End2021-06-302020-06-30
Value3322
Percentage of Revenues9.96.2
Percentage of Revenues9.96.2
Percentage of Revenues rdn:HomegeniusSegment100.0100.0

rdn:MortgageInsuranceSegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value284303325320286315352317336302214211132194194236216224214242217234206272235
Percentage of Revenues84.492.488.085.378.795.790.883.585.283.279.086.665.9459.485.990.5136.7124.458.847.746.138.8-450.246.9-95.7
Percentage of Revenues84.492.488.085.378.795.790.883.585.283.279.086.665.9459.485.990.5136.7124.458.847.746.138.8-450.246.9-95.7
Percentage of Revenues rdn:MortgageInsuranceSegment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rdn:RealEstateSegment


Revenuesus-gaap:
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value25143326268.8083027
Percentage of Revenues7.83.98.97.28.12.37.97.0
Percentage of Revenues7.83.98.97.28.12.37.97.0
Percentage of Revenues rdn:RealEstateSegment100.0100.0100.0100.0100.0100.0100.0100.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value80097920794877777569669068086670659265996314626961396010590058445817582758636049606759695642576057366813685959595932552856215758605463705903604160316448665672466928735176208057
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 dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:ConsolidatedEntities, us-gaap:CededCreditRisk

rdn:RadianGuaranty, rdn:EagleRe20202Primary, us-gaap:VariableInterestEntityPrimaryBeneficiary, rdn:ExcessofLossProgram


Assetsdei:
Period End2021-06-302020-12-31
Value284390
Percentage of Assets3.64.9
Percentage of Assets3.64.9
Percentage of Assets rdn:RadianGuaranty rdn:EagleRe20202Primary us-gaap:VariableInterestEntityPrimaryBeneficiary rdn:ExcessofLossProgram100.0100.0

rdn:RadianGuaranty, rdn:EagleRe20211Primary, us-gaap:VariableInterestEntityPrimaryBeneficiary, rdn:ExcessofLossProgram


Assetsdei:
Period End2021-06-30
Value497
Percentage of Assets6.2
Percentage of Assets6.2
Percentage of Assets rdn:RadianGuaranty rdn:EagleRe20211Primary us-gaap:VariableInterestEntityPrimaryBeneficiary rdn:ExcessofLossProgram100.0

us-gaap:Assets dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:ConsolidatedEntities, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments

rdn:RadianGuaranty, rdn:EagleRe20181Primary, us-gaap:VariableInterestEntityPrimaryBeneficiary, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


Assetsdei:
Period End2021-03-312020-12-312019-12-31
Value275275357
Percentage of Assets3.53.55.2
Percentage of Assets3.53.55.2
Percentage of Assets rdn:RadianGuaranty rdn:EagleRe20181Primary us-gaap:VariableInterestEntityPrimaryBeneficiary rdn:ExcessofLossProgram rdn:MortgageInsuranceSegment100.0100.0100.0

rdn:RadianGuaranty, rdn:EagleRe20191Primary, us-gaap:VariableInterestEntityPrimaryBeneficiary, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


Assetsdei:
Period End2021-03-312020-12-312019-12-31
Value384384508
Percentage of Assets4.94.87.5
Percentage of Assets4.94.87.5
Percentage of Assets rdn:RadianGuaranty rdn:EagleRe20191Primary us-gaap:VariableInterestEntityPrimaryBeneficiary rdn:ExcessofLossProgram rdn:MortgageInsuranceSegment100.0100.0100.0

rdn:RadianGuaranty, rdn:EagleRe20202Primary, us-gaap:VariableInterestEntityPrimaryBeneficiary, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


Assetsdei:
Period End2021-03-312020-12-31
Value354390
Percentage of Assets4.54.9
Percentage of Assets4.54.9
Percentage of Assets rdn:RadianGuaranty rdn:EagleRe20202Primary us-gaap:VariableInterestEntityPrimaryBeneficiary rdn:ExcessofLossProgram rdn:MortgageInsuranceSegment100.0100.0

us-gaap:Assets dei:LegalEntity, us-gaap:CededCreditRisk

rdn:RadianGuaranty, rdn:ExcessofLossProgram


Assetsdei:
Period End2021-06-302020-12-31
Value19311539
Percentage of Assets24.119.4
Percentage of Assets24.119.4
Percentage of Assets rdn:RadianGuaranty rdn:ExcessofLossProgram100.0100.0

us-gaap:Assets dei:LegalEntity, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments

rdn:RadianGuaranty, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


Assetsdei:
Period End2021-03-312020-12-31
Value15031539
Percentage of Assets19.019.4
Percentage of Assets19.019.4
Percentage of Assets rdn:RadianGuaranty rdn:ExcessofLossProgram rdn:MortgageInsuranceSegment100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

srt:ParentCompany


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value6022525848144177
Percentage of Assets75.877.276.270.8
Percentage of Assets75.877.276.270.8
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

us-gaap:VariableInterestEntityPrimaryBeneficiary


Assetsus-gaap:
Period End2020-12-312019-12-31
Value1539865
Percentage of Assets19.412.7
Percentage of Assets19.412.7
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value3675368536633654358328252759274828082889282529222938295729002856290229062990316132613308314533173374453746884225434843824682486451515439516651265130542954745957579963786761
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets45.946.546.147.047.342.240.541.242.643.844.846.647.949.249.248.949.949.951.052.353.855.455.757.658.866.668.370.973.379.383.384.585.185.487.584.985.184.282.282.283.786.888.7

us-gaap:Liabilities dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:ConsolidatedEntities, us-gaap:CededCreditRisk

rdn:RadianGuaranty, rdn:EagleRe20202Primary, us-gaap:VariableInterestEntityPrimaryBeneficiary, rdn:ExcessofLossProgram


Liabilitiesdei:
Period End2021-06-302020-12-31
Value284390
Percentage of Liabilities7.710.7
Percentage of Assets3.64.9
Percentage of Assets rdn:RadianGuaranty rdn:EagleRe20202Primary us-gaap:VariableInterestEntityPrimaryBeneficiary rdn:ExcessofLossProgram100.0100.0

rdn:RadianGuaranty, rdn:EagleRe20211Primary, us-gaap:VariableInterestEntityPrimaryBeneficiary, rdn:ExcessofLossProgram


Liabilitiesdei:
Period End2021-06-30
Value497
Percentage of Liabilities13.5
Percentage of Assets6.2
Percentage of Assets rdn:RadianGuaranty rdn:EagleRe20211Primary us-gaap:VariableInterestEntityPrimaryBeneficiary rdn:ExcessofLossProgram100.0

us-gaap:Liabilities dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:ConsolidatedEntities, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments

rdn:RadianGuaranty, rdn:EagleRe20181Primary, us-gaap:VariableInterestEntityPrimaryBeneficiary, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


Liabilitiesdei:
Period End2021-03-312020-12-312019-12-31
Value275275357
Percentage of Liabilities7.57.512.9
Percentage of Assets3.53.55.2
Percentage of Assets rdn:RadianGuaranty rdn:EagleRe20181Primary us-gaap:VariableInterestEntityPrimaryBeneficiary rdn:ExcessofLossProgram rdn:MortgageInsuranceSegment100.0100.0100.0

rdn:RadianGuaranty, rdn:EagleRe20191Primary, us-gaap:VariableInterestEntityPrimaryBeneficiary, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


Liabilitiesdei:
Period End2021-03-312020-12-312019-12-31
Value384384508
Percentage of Liabilities10.410.518.4
Percentage of Assets4.94.87.5
Percentage of Assets rdn:RadianGuaranty rdn:EagleRe20191Primary us-gaap:VariableInterestEntityPrimaryBeneficiary rdn:ExcessofLossProgram rdn:MortgageInsuranceSegment100.0100.0100.0

rdn:RadianGuaranty, rdn:EagleRe20202Primary, us-gaap:VariableInterestEntityPrimaryBeneficiary, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


Liabilitiesdei:
Period End2021-03-312020-12-31
Value354390
Percentage of Liabilities9.610.7
Percentage of Assets4.54.9
Percentage of Assets rdn:RadianGuaranty rdn:EagleRe20202Primary us-gaap:VariableInterestEntityPrimaryBeneficiary rdn:ExcessofLossProgram rdn:MortgageInsuranceSegment100.0100.0

us-gaap:Liabilities dei:LegalEntity, us-gaap:CededCreditRisk

rdn:RadianGuaranty, rdn:ExcessofLossProgram


Liabilitiesdei:
Period End2021-06-302020-12-31
Value19311539
Percentage of Liabilities52.542.0
Percentage of Assets24.119.4
Percentage of Assets rdn:RadianGuaranty rdn:ExcessofLossProgram100.0100.0

us-gaap:Liabilities dei:LegalEntity, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments

rdn:RadianGuaranty, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


Liabilitiesdei:
Period End2021-03-312020-12-31
Value15031539
Percentage of Liabilities40.842.0
Percentage of Assets19.019.4
Percentage of Assets rdn:RadianGuaranty rdn:ExcessofLossProgram rdn:MortgageInsuranceSegment100.0100.0

us-gaap:Liabilities us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilitiesus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value1738121013251177
Percentage of Liabilities47.443.946.940.6
Percentage of Assets21.917.821.020.0
Percentage of Assets srt:ParentCompany28.923.027.528.2

us-gaap:VariableInterestEntityPrimaryBeneficiary


Liabilitiesus-gaap:
Period End2020-12-312019-12-31
Value1539865
Percentage of Liabilities42.031.4
Percentage of Assets19.412.7
Percentage of Assets us-gaap:VariableInterestEntityPrimaryBeneficiary100.0100.0

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value8009792079487777756966906808667065926599631462696139601059005844581758275863604960675969564257605736681368595959593255285621575860546370590360416031644866567246692873517620
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilities
Period End2020-12-312019-12-312018-12-312017-12-31
Value6022525848144177
Percentage of LiabilitiesAndStockholdersEquity75.877.276.270.8
Percentage of Assets75.877.276.270.8
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-312009-12-31
Value433342354284412239863864404839223783371034883347320130523000298829142920287228882805266024962435235322062097173415841055939894902931736915900101911821288112997285917122004
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets54.153.553.953.052.757.859.558.857.456.255.253.452.150.850.851.150.150.149.047.746.244.644.342.341.032.430.629.126.719.116.715.514.914.612.515.114.915.817.817.816.313.211.30.024.9

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value4284404834883000
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets53.959.555.250.8
Percentage of Assets srt:ParentCompany71.177.072.571.8

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value178116263231212291101258817-60.92-59.24-57.943-31.475232418-3.363-12.395656222-18.477-7.419-11.5345951495141372924231617181911-6.524
Percentage of StockholdersEquity4.12.86.25.65.30.82.73.22.30.5-1.7-1.8-1.8-1.00.80.80.6-0.1-0.42.32.20.9-0.7-0.3-0.52.72.52.83.23.94.03.32.72.52.22.02.01.91.0-0.8
Percentage of Assets2.21.53.33.02.80.41.61.91.30.3-1.0-0.9-0.9-0.50.40.40.3-0.1-0.21.11.00.4-0.3-0.1-0.20.90.80.80.90.70.70.50.40.40.30.30.30.30.2-0.1
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value216122422245223822322231244924692539269727242720271527482754274727432743277927782781277327162718270925412531259926002256234723462346234219671967196619651966196619651963196318961894136713631350
Percentage of StockholdersEquity49.953.052.454.356.057.760.562.967.172.778.181.384.890.091.891.994.293.996.896.299.1104.2108.8111.6115.1115.2120.7149.9164.2213.8249.8262.3259.9251.6267.2214.9218.3192.8166.3152.6174.1201.8228.30.00.079.968.00.0
Percentage of Assets27.028.328.328.829.533.436.037.038.540.943.143.444.245.746.747.047.247.147.445.945.846.548.147.247.237.336.943.643.840.841.840.738.836.833.332.632.630.529.527.128.426.725.80.00.00.016.90.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value0.2070.210.210.210.210.2080.2190.220.2230.230.2310.2310.2310.2330.2330.2330.2330.2330.2320.2320.2320.2320.2240.2240.2260.2090.2090.2090.2090.1910.1910.1910.1910.190.1510.1510.1510.1510.1510.1510.1510.150.150.150.150.10.10.098
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value43334235428441223986386440483922378337103488334732013052300029882914292028722888280526602496243523532206209717341584105593989490293173691590010191182128811299728591931177920042030
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0
Percentage of Assets54.153.553.953.052.757.859.558.857.456.255.253.452.150.850.851.150.150.149.047.746.244.644.342.341.032.430.629.126.719.116.715.514.914.612.515.114.915.817.817.816.313.211.30.00.024.90.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value291327852684256124502504238922292056188917191580143812291116111010451073997937855757691617548498406-21.044-174.634-349.467-552.226-588.595-575.913-542.741-355.241-177.939-192.264-73.0059621834-101.92-204.926928816129116021766
Percentage of StockholdersEquity67.265.862.762.161.564.859.056.854.350.949.347.244.940.337.237.135.936.834.732.430.528.527.725.423.322.619.4-1.2-11.0-33.1-58.8-65.8-63.8-58.3-48.2-19.4-21.3-7.28.116.93.1-10.5-23.80.00.075.479.90.0
Percentage of Assets36.435.233.832.932.437.435.133.431.228.627.225.223.420.518.919.018.018.417.015.514.112.712.310.79.67.35.9-0.4-2.9-6.3-9.8-10.2-9.5-8.5-6.0-2.9-3.2-1.11.43.00.5-1.4-2.70.00.00.019.90.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value-920.225-910.347-910.115-909.745-909.738-902.024-901.657-901.556-901.419-895.321-894.87-894.635-894.61-894.191-893.888-893.754-893.531-893.372-893.332-893.197-893.176-893.176-893.176-893.176-893.176-893.149-892.961-892.961-892.961-892.937-892.807-892.807-892.81-892.094-892.094-892.094-892.084-892.052-892.052-892.052-892.036-892.036-892.012-891.989-891.98-890.245-889.496-888.057
Percentage of StockholdersEquity-21.2-21.5-21.2-22.1-22.8-23.3-22.3-23.0-23.8-24.1-25.7-26.7-27.9-29.3-29.8-29.9-30.7-30.6-31.1-30.9-31.8-33.6-35.8-36.7-38.0-40.5-42.6-51.5-56.4-84.6-95.0-99.8-98.9-95.8-121.2-97.5-99.0-87.5-75.5-69.2-79.0-91.7-103.70.00.0-52.0-44.40.0
Percentage of Assets-11.5-11.5-11.5-11.7-12.0-13.5-13.2-13.5-13.7-13.6-14.2-14.3-14.6-14.9-15.1-15.3-15.4-15.3-15.2-14.8-14.7-15.0-15.8-15.5-15.6-13.1-13.0-15.0-15.1-16.2-15.9-15.5-14.7-14.0-15.1-14.8-14.8-13.8-13.4-12.3-12.9-12.1-11.70.00.00.0-11.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashAndCashEquivalentsAtCarryingValue


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value13410287826854924974118951049512280615673524655644669515730314520233531293128323135212119201927687775
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.71.31.11.10.90.81.40.71.11.81.51.71.62.01.41.11.01.30.90.80.91.10.81.20.90.80.40.50.80.40.40.60.50.50.50.50.50.50.50.30.30.30.30.00.00.01.00.0

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-31
Value20233213
Percentage of CashAndCashEquivalentsAtCarryingValue22.925.433.916.3
Percentage of Assets0.30.30.50.2
Percentage of Assets srt:ParentCompany0.30.40.70.3

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-31
Value137123948684619652791271071141041309698828661566459
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.71.61.21.11.10.91.40.81.21.91.71.81.72.21.61.71.41.51.10.91.11.1

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents us-gaap:ConsolidatedEntities

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value202332138.38
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents21.424.430.213.713.6
Percentage of Assets0.30.30.50.20.1
Percentage of Assets srt:ParentCompany0.30.40.70.30.0

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-31
Value234229
Percentage of PropertyPlantAndEquipmentGross100.0100.0
Percentage of Assets3.03.4

us-gaap:PropertyPlantAndEquipmentGross rdn:PropertyAndEquipmentByType

us-gaap:FurnitureAndFixtures


Property
Period End2020-12-312019-12-31
Value6565
Percentage of PropertyPlantAndEquipmentGross27.928.3
Percentage of Assets0.81.0
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.0

us-gaap:LeaseholdImprovements


Property
Period End2020-12-312019-12-31
Value3232
Percentage of PropertyPlantAndEquipmentGross14.114.3
Percentage of Assets0.40.5
Percentage of Assets us-gaap:LeaseholdImprovements0.00.0

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Property
Period End2020-12-312019-12-31
Value136131
Percentage of PropertyPlantAndEquipmentGross58.057.4
Percentage of Assets1.71.9
Percentage of Assets us-gaap:SoftwareAndSoftwareDevelopmentCosts0.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value15470686768686664626111511210610112612211811411110910610510310110010410310210110010099989698979696959392
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.90.90.91.01.01.01.01.01.01.01.91.91.81.72.22.12.01.91.81.81.91.81.81.51.51.81.71.91.81.81.71.61.71.61.61.51.41.31.41.31.2

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment rdn:PropertyAndEquipmentByType

us-gaap:FurnitureAndFixtures


Accumulated
Period End2020-12-312019-12-31
Value5655
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment36.880.4
Percentage of Assets0.70.8
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.0

us-gaap:LeaseholdImprovements


Accumulated
Period End2020-12-312019-12-31
Value1513
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment10.119.6
Percentage of Assets0.20.2
Percentage of Assets us-gaap:LeaseholdImprovements0.00.0

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Accumulated
Period End2020-12-312019-12-31
Value8173
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment53.1107.5
Percentage of Assets1.01.1
Percentage of Assets us-gaap:SoftwareAndSoftwareDevelopmentCosts0.00.0

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302014-12-312014-09-302013-12-312013-09-30
Value2.1810.9610.9790.9792.1352.1392.1392.1873.4323.4725.3063.2940.00.0
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value747880272728293435393738908787888774706758514642352827221912109.1266.6727.1057.4566.6737.341101111151213
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.91.01.00.30.40.40.40.50.50.60.60.61.51.51.51.51.51.31.21.11.00.90.80.70.60.40.40.40.30.20.20.20.10.10.10.10.10.20.20.20.20.20.2

us-gaap:PropertyPlantAndEquipmentNet rdn:PropertyAndEquipmentByType

us-gaap:FurnitureAndFixtures


Property
Period End2020-12-312019-12-31
Value8.78110
Percentage of PropertyPlantAndEquipmentNet10.934.1
Percentage of Assets0.10.1
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.0

us-gaap:LeaseholdImprovements


Property
Period End2020-12-312019-12-31
Value1719
Percentage of PropertyPlantAndEquipmentNet21.665.9
Percentage of Assets0.20.3
Percentage of Assets us-gaap:LeaseholdImprovements0.00.0

us-gaap:SoftwareAndSoftwareDevelopmentCosts


Property
Period End2020-12-312019-12-31
Value5458
Percentage of PropertyPlantAndEquipmentNet67.5197.7
Percentage of Assets0.70.9
Percentage of Assets us-gaap:SoftwareAndSoftwareDevelopmentCosts0.00.0

Goodwill

us-gaap:Goodwill us-gaap:StatementBusinessSegments

us-gaap:Goodwill

rdn:HomegeniusSegment


Goodwillus-gaap:
Period End2021-06-30
Value9.8
Percentage of Goodwill100.0
Percentage of Assets0.1
Percentage of Assets rdn:HomegeniusSegment0.0

rdn:RealEstateSegment


Goodwillus-gaap:
Period End2021-03-312020-12-312020-09-302020-06-302019-12-312018-12-31
Value9.89.8029.8029.8029.80214
Percentage of Goodwill0.00.00.00.00.00.0
Percentage of Assets0.10.10.10.10.10.2
Percentage of Assets rdn:RealEstateSegment0.00.00.00.00.00.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-312019-12-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value131842444448505356587781909493969996990.205
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.30.60.70.70.80.80.91.01.01.31.41.51.71.61.71.51.41.70.0

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass, us-gaap:StatementBusinessSegments

us-gaap:CustomerRelationships, rdn:HomegeniusSegment


Finite
Period End2021-06-302020-12-31
Value1011
Percentage of FiniteLivedIntangibleAssetsNet0.090.6
Percentage of Assets0.10.2
Percentage of Assets us-gaap:CustomerRelationships rdn:HomegeniusSegment0.00.0

us-gaap:CustomerRelationships, rdn:RealEstateSegment


Finite
Period End2021-03-312020-12-312020-09-302020-06-302019-12-31
Value1111131416
Percentage of FiniteLivedIntangibleAssetsNet0.090.60.00.088.6
Percentage of Assets0.10.20.20.20.2
Percentage of Assets us-gaap:CustomerRelationships rdn:RealEstateSegment0.00.00.00.00.0

us-gaap:LicensingAgreements, rdn:HomegeniusSegment


Finite
Period End2021-06-302020-12-31
Value0.2940.335
Percentage of FiniteLivedIntangibleAssetsNet0.02.5
Percentage of Assets0.00.0
Percentage of Assets us-gaap:LicensingAgreements rdn:HomegeniusSegment0.00.0

us-gaap:LicensingAgreements, rdn:RealEstateSegment


Finite
Period End2021-03-312020-12-312020-09-302020-06-302019-12-31
Value0.3140.3350.3480.3590.382
Percentage of FiniteLivedIntangibleAssetsNet0.02.50.00.02.1
Percentage of Assets0.00.00.00.00.0
Percentage of Assets us-gaap:LicensingAgreements rdn:RealEstateSegment0.00.00.00.00.0

us-gaap:TechnologyBasedIntangibleAssets, rdn:HomegeniusSegment


Finite
Period End2021-06-302020-12-31
Value0.7620.915
Percentage of FiniteLivedIntangibleAssetsNet0.06.9
Percentage of Assets0.00.0
Percentage of Assets us-gaap:TechnologyBasedIntangibleAssets rdn:HomegeniusSegment0.00.0

us-gaap:TechnologyBasedIntangibleAssets, rdn:RealEstateSegment


Finite
Period End2021-03-312020-12-312020-09-302020-06-302019-12-31
Value0.8390.9151.2971.4011.646
Percentage of FiniteLivedIntangibleAssetsNet0.06.90.00.09.0
Percentage of Assets0.00.00.00.00.0
Percentage of Assets us-gaap:TechnologyBasedIntangibleAssets rdn:RealEstateSegment0.00.00.00.00.0

us-gaap:TrademarksAndTradeNames, rdn:RealEstateSegment


Finite
Period End2020-09-302020-06-302019-12-31
Value0.0190.0380.076
Percentage of FiniteLivedIntangibleAssetsNet0.00.00.4
Percentage of Assets0.00.00.0
Percentage of Assets us-gaap:TrademarksAndTradeNames rdn:RealEstateSegment0.00.00.0

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:LongLivedAssetsHeldForSaleByAssetType, us-gaap:StatementBusinessSegments

us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations, rdn:RealEstateSegment


Finite
Period End2020-12-31
Value3.7
Percentage of FiniteLivedIntangibleAssetsNet27.9
Percentage of Assets0.0
Percentage of Assets us-gaap:DisposalGroupHeldforsaleNotDiscontinuedOperations rdn:RealEstateSegment0.0

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:StatementBusinessSegments

rdn:HomegeniusSegment


Finite
Period End2021-06-302020-12-31
Value1113
Percentage of FiniteLivedIntangibleAssetsNet0.0100.0
Percentage of Assets0.10.2
Percentage of Assets rdn:HomegeniusSegment0.00.0

rdn:RealEstateSegment


Finite
Period End2021-03-312020-12-312020-09-302020-06-302019-12-31
Value1213151618
Percentage of FiniteLivedIntangibleAssetsNet0.0100.00.00.0100.0
Percentage of Assets0.20.20.20.20.3
Percentage of Assets rdn:RealEstateSegment0.00.00.00.00.0

Intangible Assets Net Including Goodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value21222325262728525456585559616466692732762792822862892872902932882932962.3
Percentage of IntangibleAssetsNetIncludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.30.30.30.30.40.40.80.80.90.90.91.01.01.11.11.24.74.74.64.74.85.15.05.14.34.24.95.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value343132343335374244470.0
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.40.40.40.40.40.50.60.60.70.70.0

us-gaap:OperatingLeaseRightOfUseAsset us-gaap:RealEstateAndAccumulatedDepreciationDescriptionOfProperty

rdn:CorporateHeadquarters


Operating
Period End2021-06-30
Value28
Percentage of OperatingLeaseRightOfUseAsset81.9
Percentage of Assets0.4
Percentage of Assets rdn:CorporateHeadquarters0.0

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi

us-gaap:EquitySecuritiesFvNi


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value1751411519110474130121149125130
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.21.81.91.21.41.11.91.82.31.92.1

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value815763447640585513567513430373367415430426407439377357343422332325354349349356375392395402379387398396374353354339333304352319323
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets10.29.65.68.27.77.78.37.76.55.75.86.67.07.16.97.56.56.15.97.05.55.46.36.16.15.25.56.66.77.36.86.76.66.26.35.95.95.35.04.25.14.34.2

us-gaap:OtherAssets us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2020-12-312019-12-312018-12-312017-12-31
Value7511358166
Percentage of OtherAssets16.820.116.040.7
Percentage of Assets0.91.70.92.8
Percentage of Assets srt:ParentCompany1.32.21.24.0

Long Term Debt

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

us-gaap:LongTermDebt

rdn:SeniorNotesDue2024, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value446445445445444444444444443
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.65.65.65.75.96.66.56.77.0
Percentage of Assets rdn:SeniorNotesDue2024 us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.0

rdn:SeniorNotesDue2025, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-31
Value5175175165165150.0
Percentage of LongTermDebt116.0116.0116.0115.9115.90.0
Percentage of Assets6.56.56.56.66.80.0
Percentage of Assets rdn:SeniorNotesDue2025 us-gaap:SeniorNotes0.00.00.00.00.00.0

rdn:SeniorNotesDue2027, us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value4434434434434434424424420.0
Percentage of LongTermDebt99.599.599.699.699.699.699.699.60.0
Percentage of Assets5.55.65.65.75.96.66.56.60.0
Percentage of Assets rdn:SeniorNotesDue2027 us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.0

us-gaap:LongTermDebt us-gaap:LongtermDebtType

us-gaap:SeniorNotes


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value140714061405140414038878878861030
Percentage of LongTermDebt315.5315.5315.5315.5315.5199.6199.6199.6232.4
Percentage of Assets17.617.817.718.118.513.313.013.316.3
Percentage of Assets us-gaap:SeniorNotes0.00.00.00.00.00.00.00.00.0

Deferred Income Tax Liabilities Net

us-gaap:DeferredIncomeTaxLiabilitiesNet

us-gaap:DeferredIncomeTaxLiabilitiesNet


Deferred
Period End2021-06-302021-03-312020-12-312019-12-31
Value26621021371
Percentage of DeferredIncomeTaxLiabilitiesNet100.0100.0100.0100.0
Percentage of Assets3.32.72.71.0

us-gaap:DeferredIncomeTaxLiabilitiesNet us-gaap:ConsolidatedEntities

srt:ParentCompany


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value27225324397
Percentage of DeferredIncomeTaxLiabilitiesNet127.6357.00.00.0
Percentage of Assets3.43.73.91.6
Percentage of Assets srt:ParentCompany4.54.85.12.3

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2020-12-31
Value10
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2020-12-31
Value10
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2020-12-31
Value9904000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value7976000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value39
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.5

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2020-09-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value5557596568700.0
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.70.90.91.01.01.10.0

us-gaap:OperatingLeaseLiability us-gaap:BalanceSheetLocation

us-gaap:OtherLiabilities


Operating
Period End2021-06-302021-03-312020-12-312019-12-31
Value56515359
Percentage of OperatingLeaseLiability0.00.00.0100.0
Percentage of Assets0.70.60.70.9
Percentage of Assets us-gaap:OtherLiabilities0.00.00.00.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2020-12-31
Value86
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0
Percentage of Assets1.1

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-03-312009-12-31
Value433342354284412239863864404839223783371034883347320130523000298829142920287228882805266024962435235322062097173415841055939894902931736915900101911821288112997285917122004
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets54.153.553.953.052.757.859.558.857.456.255.253.452.150.850.851.150.150.149.047.746.244.644.342.341.032.430.629.126.719.116.715.514.914.612.515.114.915.817.817.816.313.211.30.024.9

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value4284404834883000
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets53.959.555.250.8
Percentage of Assets srt:ParentCompany71.177.072.571.8

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value178116263231212291101258817-60.92-59.24-57.943-31.475232418-3.363-12.395656222-18.477-7.419-11.5345951495141372924231617181911-6.524
Percentage of StockholdersEquity4.12.86.25.65.30.82.73.22.30.5-1.7-1.8-1.8-1.00.80.80.6-0.1-0.42.32.20.9-0.7-0.3-0.52.72.52.83.23.94.03.32.72.52.22.02.01.91.0-0.8
Percentage of Assets2.21.53.33.02.80.41.61.91.30.3-1.0-0.9-0.9-0.50.40.40.3-0.1-0.21.11.00.4-0.3-0.1-0.20.90.80.80.90.70.70.50.40.40.30.30.30.30.2-0.1
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value216122422245223822322231244924692539269727242720271527482754274727432743277927782781277327162718270925412531259926002256234723462346234219671967196619651966196619651963196318961894136713631350
Percentage of StockholdersEquity49.953.052.454.356.057.760.562.967.172.778.181.384.890.091.891.994.293.996.896.299.1104.2108.8111.6115.1115.2120.7149.9164.2213.8249.8262.3259.9251.6267.2214.9218.3192.8166.3152.6174.1201.8228.30.00.079.968.00.0
Percentage of Assets27.028.328.328.829.533.436.037.038.540.943.143.444.245.746.747.047.247.147.445.945.846.548.147.247.237.336.943.643.840.841.840.738.836.833.332.632.630.529.527.128.426.725.80.00.00.016.90.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value0.2070.210.210.210.210.2080.2190.220.2230.230.2310.2310.2310.2330.2330.2330.2330.2330.2320.2320.2320.2320.2240.2240.2260.2090.2090.2090.2090.1910.1910.1910.1910.190.1510.1510.1510.1510.1510.1510.1510.150.150.150.150.10.10.098
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Parent


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-312008-12-31
Value43334235428441223986386440483922378337103488334732013052300029882914292028722888280526602496243523532206209717341584105593989490293173691590010191182128811299728591931177920042030
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.00.0
Percentage of Assets54.153.553.953.052.757.859.558.857.456.255.253.452.150.850.851.150.150.149.047.746.244.644.342.341.032.430.629.126.719.116.715.514.914.612.515.114.915.817.817.816.313.211.30.00.024.90.0
Percentage of Assets us-gaap:Parent0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value291327852684256124502504238922292056188917191580143812291116111010451073997937855757691617548498406-21.044-174.634-349.467-552.226-588.595-575.913-542.741-355.241-177.939-192.264-73.0059621834-101.92-204.926928816129116021766
Percentage of StockholdersEquity67.265.862.762.161.564.859.056.854.350.949.347.244.940.337.237.135.936.834.732.430.528.527.725.423.322.619.4-1.2-11.0-33.1-58.8-65.8-63.8-58.3-48.2-19.4-21.3-7.28.116.93.1-10.5-23.80.00.075.479.90.0
Percentage of Assets36.435.233.832.932.437.435.133.431.228.627.225.223.420.518.919.018.018.417.015.514.112.712.310.79.67.35.9-0.4-2.9-6.3-9.8-10.2-9.5-8.5-6.0-2.9-3.2-1.11.43.00.5-1.4-2.70.00.00.019.90.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value-920.225-910.347-910.115-909.745-909.738-902.024-901.657-901.556-901.419-895.321-894.87-894.635-894.61-894.191-893.888-893.754-893.531-893.372-893.332-893.197-893.176-893.176-893.176-893.176-893.176-893.149-892.961-892.961-892.961-892.937-892.807-892.807-892.81-892.094-892.094-892.094-892.084-892.052-892.052-892.052-892.036-892.036-892.012-891.989-891.98-890.245-889.496-888.057
Percentage of StockholdersEquity-21.2-21.5-21.2-22.1-22.8-23.3-22.3-23.0-23.8-24.1-25.7-26.7-27.9-29.3-29.8-29.9-30.7-30.6-31.1-30.9-31.8-33.6-35.8-36.7-38.0-40.5-42.6-51.5-56.4-84.6-95.0-99.8-98.9-95.8-121.2-97.5-99.0-87.5-75.5-69.2-79.0-91.7-103.70.00.0-52.0-44.40.0
Percentage of Assets-11.5-11.5-11.5-11.7-12.0-13.5-13.2-13.5-13.7-13.6-14.2-14.3-14.6-14.9-15.1-15.3-15.4-15.3-15.2-14.8-14.7-15.0-15.8-15.5-15.6-13.1-13.0-15.0-15.1-16.2-15.9-15.5-14.7-14.0-15.1-14.8-14.8-13.8-13.4-12.3-12.9-12.1-11.70.00.00.0-11.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value207000.0210000.0210000.0210000.0210000.0208000.0219000.0220000.0223000.0230000.0231000.0231000.0231000.0233000.0233000.0233000.0233000.0233000.0232000.0232000.0232000.0232000.0224000.0224000.0226000.0209000.0209000.0209000.0209000.0191000.0191000.0191000.0191000.0190000.0151000.0151000.0151000.0151000.0151000.0151000.0151000.0150000.0150000.0
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value210000.0219000.0231000.0233000.0
Percentage of CommonStockValue100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0
Percentage of Assets srt:ParentCompany0.00.00.00.0

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


Additional
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value2161224222452449272427542779277827812773271627182709254125312599260022562347234623462342196719671966196519661966196519631963
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets27.028.328.336.043.146.747.445.945.846.548.147.247.237.336.943.643.840.841.840.738.836.833.332.632.630.529.527.128.426.725.8

us-gaap:AdditionalPaidInCapital us-gaap:ConsolidatedEntities

srt:ParentCompany


Additional
Period End2020-12-312019-12-312018-12-312017-12-31
Value2245244927242754
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0
Percentage of Assets28.336.043.146.7
Percentage of Assets srt:ParentCompany37.346.656.665.9

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value2238223222312449246925392697272427202715274827542747274327432779
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets28.829.533.436.037.038.540.943.143.444.245.746.747.047.247.147.4

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value291327852684256124502504238922292056188917191580143812291116111010451073997937855757691617548498406-21.044-174.634-349.467-552.226-588.595-575.913-542.741-355.241-177.939-192.264-73.0059621834-101.92-204.926
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets36.435.233.832.932.437.435.133.431.228.627.225.223.420.518.919.018.018.417.015.514.112.712.310.79.67.35.9-0.4-2.9-6.3-9.8-10.2-9.5-8.5-6.0-2.9-3.2-1.11.43.00.5-1.4-2.7

us-gaap:RetainedEarningsAccumulatedDeficit us-gaap:ConsolidatedEntities

srt:ParentCompany


Retained
Period End2020-12-312019-12-312018-12-312017-12-31
Value2684238917191116
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0
Percentage of Assets33.835.127.218.9
Percentage of Assets srt:ParentCompany44.645.435.726.7

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value178116263231212291101258817-60.92-59.24-57.943-31.475232418-3.363-12.395656222-18.477-7.419-11.5345951495141372924231617181911-4.011203.321-6.524
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.21.53.33.02.80.41.61.91.30.3-1.0-0.9-0.9-0.50.40.40.3-0.1-0.21.11.00.4-0.3-0.1-0.20.90.80.80.90.70.70.50.40.40.30.30.30.30.2-0.10.30.0-0.1

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:ConsolidatedEntities

srt:ParentCompany


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-31
Value263110-60.9223
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0
Percentage of Assets3.31.6-1.00.4
Percentage of Assets srt:ParentCompany4.42.1-1.30.6

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:OtherComprehensiveIncomeLocation

us-gaap:OtherComprehensiveIncome


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value178116263231212291101258817-60.92-59.24-57.943-31.475232418-3.363-12.395656222-18.477-7.419-11.5345951495141372924231611-6.524
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.21.53.33.02.80.41.61.91.30.3-1.0-0.9-0.9-0.50.40.40.3-0.1-0.21.11.00.4-0.3-0.1-0.20.90.80.80.90.70.70.50.40.40.30.2-0.1
Percentage of Assets us-gaap:OtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value920910910909909902901901901895894894894894893893893893893893893893893893893893892892892892892892892892892892892892892892892892892
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets11.511.511.511.712.013.513.213.513.713.614.214.314.614.915.115.315.415.315.214.814.715.015.815.515.613.113.015.015.116.215.915.514.714.015.114.814.813.813.412.312.912.111.7

us-gaap:TreasuryStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Treasury
Period End2020-12-312019-12-312018-12-312017-12-31
Value910901894893
Percentage of TreasuryStockValue100.0100.0100.0100.0
Percentage of Assets11.513.214.215.1
Percentage of Assets srt:ParentCompany15.117.118.621.4

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value8.1914.5236.9815.0951.2435.8456.2955.1696.2553.6953.8414.1867.0942.5283.2012.6144.4543.2220.6253.2049.8164.6122.2996.723.3713.1233.1670.2080.2120.210.9780.1230.1720.0621.3290.2740.2250.231.231.624
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value122153159193149155187168120217185191182118142121228391135112412160-56.475-12.0888537-122.85-137.01
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues36.546.543.251.641.047.348.444.330.559.956.157.857.140.644.73.840.429.133.442.334.113.47.820.5-17.1-4.2118.212.2-35.7-39.6

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
Value5.545-81.938-145.523-157.222-612.42831-139.146-18.10940-185.343-183.014-129.7-256.96-119.74-126.263-25.032-98.73148-89.00392-105.464-74.59-17.662-41.8992634-85.401-49.598-337.08513489279127-437.2727285220283144158512258-475.973477-357.695308
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 Revenues1.6-24.9-39.3-41.9-168.09.7-35.9-4.810.3-51.0-55.2-39.2-80.5-41.1-39.7-8.0-32.616.8-32.429.0-31.9-23.8-6.4-14.18.111.9-117.4-16.0-97.938.833.0114.563.9-1031.732.132.7139.2157.039.531.1108.542.81036.982.2145.5241.1

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-114.268-41.474-6.453-34.465485-222.142-4.452-177.439-209.532-11.683-10.179-51.7954935-18.76329-27.788-107.914-0.027-237.241-16.66950-25.886-1.164260.93-0.476-1.271484-0.344-3.814-0.3660.07601-0.334-9.826-11.888-132.548-0.325-0.334-160.334-0.333390-0.63525-29.553
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-33.9-12.6-1.7-9.2133.3-67.5-1.1-46.7-53.1-3.2-3.1-15.715.412.1-5.99.4-9.2-37.4-0.0-73.9-5.016.2-9.4-0.48.10.3-0.7-0.4140.5-0.1-1.4-0.10.01418.2-0.1-3.8-7.5-73.5-0.1-0.1-34.0-0.1-851.7-0.1-214.0-23.1

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-09-30
Value14297.7021.77822-34.34944-26.872-48.63620-7.3369.613-25.37933-2.56116-3.98624-7.692
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues4.29.02.10.56.2-10.411.3-7.1-12.35.7-2.22.9-7.911.6-0.85.3-1.38.5-2.4

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value122153159193149155187168120217185191182118142121228391135112412160-56.475-12.0888537-122.85-137.01
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Revenues36.546.543.251.641.047.348.444.330.559.956.157.857.140.644.73.840.429.133.442.334.113.47.820.5-17.1-4.2118.212.2-35.7-39.6

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value155125148135-29.9511401611731661701391422081146.81665-27.34276618298667470509242815317420236-12.682-33.172-187.5-177.30214-119.259-169.232-121.539183137103-1132.617112-475.08-310.355
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 Revenues46.138.240.036.0-8.242.741.545.642.247.042.243.265.439.32.120.9-9.026.522.325.829.721.227.123.615.131.7589.049.750.858.613.4-5.2-16.5-442.4-78.45.5-75.4-93.8-33.336.129.117.12467.319.3193.3-242.8

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value155125148135-29.9511401611731661701391422081146.81665-27.34276618298667470509242815317420236-12.682-33.172-187.5-177.30214-119.259-169.232-121.539183137103-1132.617112-475.08-310.355
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 Revenues46.138.240.036.0-8.242.741.545.642.247.042.243.265.439.32.120.9-9.026.522.325.829.721.227.123.615.131.7589.049.750.858.613.4-5.2-16.5-442.4-78.45.5-75.4-93.8-33.336.129.117.12467.319.3193.3-242.8
Percentage of Revenues us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In 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
Value5.545-81.938-145.523-157.222-612.42831-139.146-18.10940-185.343-183.014-129.7-256.96-119.74-126.263-25.032-98.73148-89.00392-105.464-74.59-17.662-41.8992634-85.401-49.598-337.08513489279127-437.2727285220283144158512258-475.973477-357.695308
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 Revenues1.6-24.9-39.3-41.9-168.09.7-35.9-4.810.3-51.0-55.2-39.2-80.5-41.1-39.7-8.0-32.616.8-32.429.0-31.9-23.8-6.4-14.18.111.9-117.4-16.0-97.938.833.0114.563.9-1031.732.132.7139.2157.039.531.1108.542.81036.982.2145.5241.1

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


Payments
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-30
Value4.1295.6444.955.58.5486.6597.9957.6264.702115.7577.68711
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments To Acquire Investments

us-gaap:PaymentsToAcquireInvestments

us-gaap:PaymentsToAcquireInvestments


Payments
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value3.7795.118601312197.26832191.8881930.0
Percentage of PaymentsToAcquireInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-114.268-41.474-6.453-34.465485-222.142-4.452-177.439-209.532-11.683-10.179-51.7954935-18.76329-27.788-107.914-0.027-237.241-16.66950-25.886-1.164260.93-0.476-1.271484-0.344-3.814-0.3660.07601-0.334-9.826-11.888-132.548-0.325-0.334-160.334-0.333390-0.63525-29.553
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-33.9-12.6-1.7-9.2133.3-67.5-1.1-46.7-53.1-3.2-3.1-15.715.412.1-5.99.4-9.2-37.4-0.0-73.9-5.016.2-9.4-0.48.10.3-0.7-0.4140.5-0.1-1.4-0.10.01418.2-0.1-3.8-7.5-73.5-0.1-0.1-34.0-0.1-851.7-0.1-214.0-23.1

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
Value2724242424250.5020.5060.5190.5340.5340.5330.5330.540.540.5380.5380.5380.5370.5350.5360.4970.5170.5210.480.4780.4770.4780.4770.4330.4320.4330.4330.3340.3340.3350.3330.3330.3290.3340.3340.3330.3340.3320.3310.205
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 End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-30
Value908.6370.00.00.02262586157310.00.040100.00.00.0060.00.00.0-0.0121000.00.02020.00.00.0
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.00.00.00.0100.0100.0100.0100.0100.00.00.0100.0100.00.00.0100.00.00.00.0100.0100.00.00.0100.00.00.00.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value773520.0981550.01312800.01692700.02839700.02692500.03029300.03989600.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0

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

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:EmployeeStockOption


Share
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-31
Value10.7310.059.398.167.646.945.4610.63
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312012-12-312011-12-312010-12-31
Value213166126907182114408
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value20373312312312412011911412592143
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302012-12-312011-12-312010-12-31
Value77666465463617834886936102210361032989797851
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DeferredTaxAssetsValuationAllowance us-gaap:ValuationAllowanceByDeferredTaxAsset

rdn:StateandLocalNOLCarryforwards


Deferred
Period End2021-06-302021-03-312020-09-30
Value808267
Percentage of DeferredTaxAssetsValuationAllowance0.00.00.0

rdn:AccumulatedAmortizationGoodwillDispositions

rdn:AccumulatedAmortizationGoodwillDispositions


Accumulated
Period End2020-12-31
Value0.0
Percentage of AccumulatedAmortizationGoodwillDispositions0.0

rdn:CededInsuranceCommissionPercentage dei:LegalEntity, us-gaap:CededCreditRisk

rdn:CededInsuranceCommissionPercentage

rdn:RadianGuaranty, rdn:A2016SinglePremiumQSRTransaction


Ceded
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value025.0024.7500.25
Percentage of CededInsuranceCommissionPercentage0.0100.00.0100.00.0100.0

rdn:RadianGuaranty, rdn:A2018SinglePremiumQSR


Ceded
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312017-10-31
Value025.024.7500.250.25
Percentage of CededInsuranceCommissionPercentage0.0100.0100.00.0100.00.0

rdn:RadianGuaranty, rdn:A2020SinglePremiumQSR


Ceded
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312020-01-31
Value025.024.7500.2525.0
Percentage of CededInsuranceCommissionPercentage0.0100.0100.00.0100.00.0

rdn:CedingCommissionsEarned

rdn:CedingCommissionsEarned


Ceding
Period 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
Value7.919101317139.9661112168.6857.7188.373
Percentage of CedingCommissionsEarned100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rdn:ChangeinUnrealizedHoldingGainLoss

rdn:ChangeinUnrealizedHoldingGainLoss


Changein
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value9.919-2.085103.13224-25.250.014.7429.1516-9.080.349-5.577-13.226-1.1842.6945.913
Percentage of ChangeinUnrealizedHoldingGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rdn:CostOfServicesTitleInsurance

rdn:CostOfServicesTitleInsurance


Cost
Period End2021-06-302021-03-312020-06-302020-03-31
Value24201722
Percentage of CostOfServicesTitleInsurance100.0100.0100.0100.0

rdn:CostofServicesRealEstate

rdn:CostofServicesRealEstate


Costof
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value241722292724
Percentage of CostofServicesRealEstate100.0100.0100.0100.0100.0100.0

rdn:EquitySecuritiesChangeinUnrealizedHoldingGainLoss us-gaap:InvestmentType

rdn:EquitySecuritiesChangeinUnrealizedHoldingGainLoss

us-gaap:EquitySecurities


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value5.145.1189.9174.45510-24.022.7360.5631.4047.919-11.1242.9710.224-1.8060.00.0
Percentage of EquitySecuritiesChangeinUnrealizedHoldingGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

rdn:FederalHomeLoanBankRatioofMarketValueofCollateraltoAdvances us-gaap:Range, us-gaap:LongtermDebtType

rdn:FederalHomeLoanBankRatioofMarketValueofCollateraltoAdvances

srt:Maximum, us-gaap:FederalHomeLoanBankCertificatesAndObligationsFHLB


Federal
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0111.00109.9501.05
Percentage of FederalHomeLoanBankRatioofMarketValueofCollateraltoAdvances0.0100.00.0100.00.0100.0

srt:Minimum, us-gaap:FederalHomeLoanBankCertificatesAndObligationsFHLB


Federal
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0103.00101.9701.03
Percentage of FederalHomeLoanBankRatioofMarketValueofCollateraltoAdvances0.092.80.092.70.098.1

rdn:IncreaseDecreaseinGoodwillandIntangibleAssets

rdn:IncreaseDecreaseinGoodwillandIntangibleAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value0.8630.8622.2250.9610.9790.979152.1392.1392.1873.4613.4722.7482.7482.6292.89183.2963.293.2923.3113.3283.4093.2733.2813.0235.3543.2940.00.0
Percentage of IncreaseDecreaseinGoodwillandIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

rdn:IncreaseDecreaseinGoodwillandIntangibleAssets us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems


Increase
Period End2021-06-302021-03-312020-06-302020-03-31
Value0.8630.8620.9790.979
Percentage of IncreaseDecreaseinGoodwillandIntangibleAssets100.0100.0100.0100.0

rdn:LineofCreditFacilityPaymentofCommitmentFees

rdn:LineofCreditFacilityPaymentofCommitmentFees


Lineof
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value239000.01517000.0237000.0239000.0237000.0234000.0867000.0238000.0220000.0185000.01993000.0000
Percentage of LineofCreditFacilityPaymentofCommitmentFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

rdn:NetGainsLossesonInvestmentsandOtherFinancialInstruments

rdn:NetGainsLossesonInvestmentsandOtherFinancialInstruments


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value15-5.181171747-22.0274.257131221-11.705-4.48-7.404-18.887-1.3392.485.331-2.851-38.7737.7113031-13.4023.868281617-6.2942542
Percentage of NetGainsLossesonInvestmentsandOtherFinancialInstruments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rdn:NetGainsLossesonInvestmentsandOtherFinancialInstruments us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems


Net
Period End2021-06-302021-03-312020-06-302020-03-31
Value15-5.18147-22.027
Percentage of NetGainsLossesonInvestmentsandOtherFinancialInstruments100.0100.0100.0100.0

rdn:OperatingIncomeLossPreTaxNonGAAP

rdn:OperatingIncomeLossPreTaxNonGAAP


Operating
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value182163139-93.138200212215202193196191164172155163125140139291477491-55.95-12.42416-15.237
Percentage of OperatingIncomeLossPreTaxNonGAAP100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rdn:OperatingIncomeLossPreTaxNonGAAP us-gaap:StatementBusinessSegments

rdn:AllOtheractivitiessegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2.4553.482-9.7045.0854.6393.7996.825.6834.9012.364
Percentage of OperatingIncomeLossPreTaxNonGAAP1.32.10.03.6-5.01.90.02.72.31.2

rdn:HomegeniusSegment


Operating
Period End2021-06-302020-06-30
Value-9.198-3.909
Percentage of OperatingIncomeLossPreTaxNonGAAP-5.04.2

rdn:MortgageInsuranceSegment


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value191174188145-88.3212052272142192081982041971711771681701341411421371401251151451251013292101-68.674-3.25115-11.403
Percentage of OperatingIncomeLossPreTaxNonGAAP105.0106.40.0104.294.8102.40.0100.7101.6103.0102.7104.0103.4104.6102.9108.3104.0107.5101.2101.80.00.00.00.00.00.033.790.1125.2111.2122.726.298.374.8

rdn:RealEstateSegment


Operating
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value-10.453-7.615-5.941-4.817-3.153-7.749-2.541-3.772
Percentage of OperatingIncomeLossPreTaxNonGAAP-6.40.0-4.25.2-1.60.0-1.2-1.7

rdn:OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsBeforeTax us-gaap:OtherComprehensiveIncomeLocation

rdn:OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsBeforeTax

us-gaap:OtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value2.375-0.792.871136.19510
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsBeforeTax100.0100.0100.0100.0100.0100.0

rdn:OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsNetOfTax

rdn:OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value1.876-0.6242.268104.8948.3944.7823.4771.029
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0

rdn:OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsNetOfTax us-gaap:OtherComprehensiveIncomeLocation

us-gaap:OtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value1.876-0.6242.268104.894
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsNetOfTax100.0100.0100.0100.0100.0

rdn:OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsTax us-gaap:OtherComprehensiveIncomeLocation

rdn:OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsTax

us-gaap:OtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value499000.0-166000.0603000.02893000.01301000.02231000.0
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsTax100.0100.0100.0100.0100.0100.0

rdn:OtherInvestmentsChangeinUnrealizedHoldingGainLoss us-gaap:InvestmentType

rdn:OtherInvestmentsChangeinUnrealizedHoldingGainLoss

us-gaap:OtherInvestments


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value178000.0886000.096000.0-173000.0-201000.0804000.0-110000.047000.0138000.00-208000.0430000.089000.0
Percentage of OtherInvestmentsChangeinUnrealizedHoldingGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

rdn:OtherThanTemporaryImpairmentLossesInvestmentsDueToIntentToSell

rdn:OtherThanTemporaryImpairmentLossesInvestmentsDueToIntentToSell


Other
Period End2020-09-302020-06-302020-03-312019-06-30
Value0779000.0622000.00
Percentage of OtherThanTemporaryImpairmentLossesInvestmentsDueToIntentToSell0.0100.0100.00.0

rdn:OtherThanTemporaryImpairmentLossesInvestmentsExpectedCreditLosses

rdn:OtherThanTemporaryImpairmentLossesInvestmentsExpectedCreditLosses


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-06-30
Value-608000.0-310000.0-1342000.0-186000.02782000.00
Percentage of OtherThanTemporaryImpairmentLossesInvestmentsExpectedCreditLosses100.0100.0100.0100.0100.00.0

rdn:PaymentstoAcquireEquitySecurities

rdn:PaymentstoAcquireEquitySecurities


Paymentsto
Period End2021-06-302021-03-312020-06-302020-03-31
Value23385.11860
Percentage of PaymentstoAcquireEquitySecurities100.0100.0100.0100.0

rdn:ProceedsfromSaleofEquitySecurities

rdn:ProceedsfromSaleofEquitySecurities


Proceedsfrom
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value2.6011.839131.652165917126.5433
Percentage of ProceedsfromSaleofEquitySecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rdn:RealizedGainsLossesonInvestmentsNet

rdn:RealizedGainsLossesonInvestmentsNet


Realized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value4.266-0.1823.19137.024116.2124.5971.721-1.687-3.117-4.447-1.088-3.4420.79-0.032
Percentage of RealizedGainsLossesonInvestmentsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rdn:ReductionInNumberOfNewDefaultsFromThePriorQuarter

rdn:ReductionInNumberOfNewDefaultsFromThePriorQuarter


Reduction
Period End2020-09-30
Value-67.5
Percentage of ReductionInNumberOfNewDefaultsFromThePriorQuarter100.0

rdn:ServicesRevenueNet

rdn:ServicesRevenueNet


Services
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value292211332831404239323836363339393738
Percentage of ServicesRevenueNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rdn:ServicesRevenueNet rdn:ServicesRevenue

rdn:AllOtherServices


Services
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0440.0539.6740.00.02.86132131211
Percentage of ServicesRevenueNet0.10.284.60.00.09.081.232.731.935.2

rdn:Assetmanagementservices


Services
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value6.8245.5348.058.4536.9646.374116.5676.4616.272
Percentage of ServicesRevenueNet23.224.270.424.924.820.028.815.416.419.1

rdn:MortgageServices


Services
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.7324.3513.7173.9143.9183.1332.7762.341.8720.644
Percentage of ServicesRevenueNet12.719.032.511.514.09.86.95.54.82.0

rdn:OtherRealEstateServices


Services
Period End2021-06-302020-06-30
Value0.0620.586
Percentage of ServicesRevenueNet0.22.1

rdn:RealEstateAgentServices


Services
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.0141.1150.6140.340.412.0240.3350.0720.0
Percentage of ServicesRevenueNet0.19.71.81.21.35.10.80.20.0

rdn:SoftwareAsAService


Services
Period End2021-06-302020-06-30
Value0.9091.099
Percentage of ServicesRevenueNet3.13.9

rdn:TitleServices


Services
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value9.3998.057-2.1799.0819.0597.3052.9964.594.9991.6
Percentage of ServicesRevenueNet31.935.2-19.026.832.322.97.510.812.74.9

rdn:ValuationServices


Services
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value8.4944.886-8.937117.79411-11.81141312
Percentage of ServicesRevenueNet28.821.3-78.135.027.837.1-29.534.834.038.8

rdn:ShareBasedCompensationMaximumPayoutPercentageOfTargetAward us-gaap:AwardDate, us-gaap:AwardType

rdn:ShareBasedCompensationMaximumPayoutPercentageOfTargetAward

rdn:A2021AwardYear, rdn:PerformanceBasedRSUsEquitySettled


Share
Period End2021-06-30
Value200.0
Percentage of ShareBasedCompensationMaximumPayoutPercentageOfTargetAward100.0

rdn:ShareBasedCompensationMaximumPayoutPercentageOfTargetAward us-gaap:Range, us-gaap:AwardDate, us-gaap:AwardType

srt:Maximum, rdn:A2020AwardYear, rdn:PerformanceBasedRSUsEquitySettledMember


Share
Period End2020-09-30
Value198.0
Percentage of ShareBasedCompensationMaximumPayoutPercentageOfTargetAward0.0

srt:Minimum, rdn:A2020AwardYear, rdn:PerformanceBasedRSUsEquitySettledMember


Share
Period End2020-09-30
Value0
Percentage of ShareBasedCompensationMaximumPayoutPercentageOfTargetAward0.0

rdn:TotalOperatingExpensesAllocatedtoSubsidiariesFromParentCompany us-gaap:StatementBusinessSegments

rdn:TotalOperatingExpensesAllocatedtoSubsidiariesFromParentCompany

rdn:HomegeniusSegment


Total
Period End2021-06-302020-06-30
Value4.7212.823
Percentage of TotalOperatingExpensesAllocatedtoSubsidiariesFromParentCompany100.0100.0

rdn:MortgageInsuranceSegment


Total
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value3327312925292726242521192018131115149.65211149.3299.25114129.758138.521715
Percentage of TotalOperatingExpensesAllocatedtoSubsidiariesFromParentCompany699.00.00.00.0892.30.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

rdn:RealEstateSegment


Total
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value3.9961.8143.8183.3393.3671.8012.912.659
Percentage of TotalOperatingExpensesAllocatedtoSubsidiariesFromParentCompany0.00.00.0118.30.00.00.00.0

us-gaap:AcceleratedShareRepurchasesFinalPricePaidPerShare us-gaap:ShareRepurchaseProgram

us-gaap:AcceleratedShareRepurchasesFinalPricePaidPerShare

rdn:Totalof3Q19and1Q20RepurchasePrograms


Accelerated
Period End2021-06-302021-03-312020-12-31
Value23.1420.910
Percentage of AcceleratedShareRepurchasesFinalPricePaidPerShare100.0100.00.0

us-gaap:AcceleratedShareRepurchasesFinalPricePaidPerShare us-gaap:ShareRepurchaseProgram, us-gaap:SubsequentEventType

rdn:Totalof3Q19and1Q20RepurchasePrograms, us-gaap:SubsequentEvent


Accelerated
Period End2021-07-312020-03-31
Value21.8624.03
Percentage of AcceleratedShareRepurchasesFinalPricePaidPerShare0.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value825000.036000.02235000.01660000.01689000.01069000.01014000.0146000.01433000.0921000.0292000.03548000.0985000.067000.0659000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationOtherLongtermIncentivePlansRequisiteServicePeriodRecognition100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssumedPremiumsEarned

us-gaap:AssumedPremiumsEarned


Assumed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312013-06-302012-06-30
Value1.6152.2982.6142.9463.1973.4562.8372.6142.4812.452.0821.9941.511.3186.4191.704
Percentage of AssumedPremiumsEarned100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssumedPremiumsWritten

us-gaap:AssumedPremiumsWritten


Assumed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1.6152.2982.6122.9423.1923.4512.8512.6082.4752.4452.0981.9871.5041.3120.150.473-0.454-0.126-0.206-10.3970.443-0.918-1.028-87.488-0.747-0.251-11.7881.6242.0110.575-7.923-1.248
Percentage of AssumedPremiumsWritten100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesGrossRealizedGains us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesGrossRealizedGains

us-gaap:FixedMaturities


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
Value9.5974.1173.009148.304116.7374.6972.0644.1650.1550.8140.4190.5980.9020.419
Percentage of AvailableForSaleSecuritiesGrossRealizedGains100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesGrossRealizedLosses us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesGrossRealizedLosses

us-gaap:FixedMaturities


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
Value7.2214.9070.1380.4421.330.6520.6840.2960.7614.662.3815.0332.113.7180.3640.282
Percentage of AvailableForSaleSecuritiesGrossRealizedLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments us-gaap:InvestmentType

us-gaap:AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments

us-gaap:FixedMaturities


Availableforsale
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2.376-0.79136.974114.4011.303-0.495-2.226-4.219-1.691-3.120.5380.137
Percentage of AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CededPremiumsEarned

us-gaap:CededPremiumsEarned


Ceded
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312013-06-302012-06-30
Value29334145692726263719181616161710
Percentage of CededPremiumsEarned100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CededPremiumsWritten

us-gaap:CededPremiumsWritten


Ceded
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value118.835149.78943191615141022243119161617171827252131389.0039.1889.4429.7168.805262627
Percentage of CededPremiumsWritten100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CededPremiumsWritten dei:LegalEntity, us-gaap:CededCreditRisk

rdn:RadianGuaranty, rdn:A2020SinglePremiumQSR


Ceded
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312020-01-31
Value0.02500.00.0250250
Percentage of CededPremiumsWritten0.02829.70.00.01279.20.0

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:CommonStockDividendsPerShareDeclared


Common
Period End2021-05-042021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.140.1250.1250.1250.1250.1250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.00250.0025
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:CommonStockDividendsPerShareDeclared us-gaap:SubsequentEventType

us-gaap:SubsequentEvent


Common
Period End2021-05-042020-02-13
Value0.140.125
Percentage of CommonStockDividendsPerShareDeclared100.00.0

us-gaap:ConcentrationRiskPercentage1 dei:LegalEntity, rdn:SPQSRPolicyVintages, us-gaap:CededCreditRisk

us-gaap:ConcentrationRiskPercentage1

rdn:RadianGuaranty, rdn:A20122014Vintages, rdn:A2016SinglePremiumQSRTransaction


Concentration
Period End2021-03-31
Value20.0
Percentage of ConcentrationRiskPercentage1100.0

us-gaap:ConcentrationRiskPercentage1 dei:LegalEntity, rdn:SPQSRPolicyVintages, us-gaap:Range, us-gaap:CededCreditRisk

rdn:RadianGuaranty, rdn:A20122014Vintages, srt:Maximum, rdn:A2016SinglePremiumQSRTransaction


Concentration
Period End2021-03-31
Value35.0
Percentage of ConcentrationRiskPercentage1175.0

us-gaap:ConcentrationRiskPercentage1 dei:LegalEntity, us-gaap:Range, us-gaap:CededCreditRisk

rdn:RadianGuaranty, srt:Maximum, rdn:A2016SinglePremiumQSRTransaction


Concentration
Period End2021-03-31
Value65.0
Percentage of ConcentrationRiskPercentage1325.0

us-gaap:DebtAndEquitySecuritiesGainLoss us-gaap:InvestmentType

us-gaap:DebtAndEquitySecuritiesGainLoss

us-gaap:OtherInvestments


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value2229000.0105000.0327000.0196000.044000.033000.082000.0205000.0
Percentage of DebtAndEquitySecuritiesGainLoss100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossNotPreviouslyRecorded us-gaap:FinancialInstrument, us-gaap:InvestmentType

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossNotPreviouslyRecorded

us-gaap:CorporateDebtSecurities, us-gaap:FixedMaturities


Debt
Period End2020-12-312020-09-302020-06-30
Value-1342000.0-186000.02782000.0
Percentage of DebtSecuritiesAvailableForSaleAllowanceForCreditLossNotPreviouslyRecorded100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossRecovery us-gaap:FinancialInstrument, us-gaap:InvestmentType

us-gaap:DebtSecuritiesAvailableForSaleAllowanceForCreditLossRecovery

us-gaap:CorporateDebtSecurities, us-gaap:FixedMaturities


Debt
Period End2021-06-302021-03-312020-09-30
Value608000.0310000.0186000.0
Percentage of DebtSecuritiesAvailableForSaleAllowanceForCreditLossRecovery100.0100.0100.0

us-gaap:Depreciation us-gaap:StatementBusinessSegments

us-gaap:Depreciation

rdn:HomegeniusSegment


Depreciationus-gaap:
Period End2021-06-302020-06-30
Value0.4910.719
Percentage of Depreciation100.0100.0

rdn:MortgageInsuranceSegment


Depreciationus-gaap:
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1.661.810.0962.8953.1123.73.7893.8173.8493.9
Percentage of Depreciation338.10.00.00.0432.80.00.00.00.00.0

rdn:RealEstateSegment


Depreciationus-gaap:
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.4540.4340.6830.7760.610.40.5610.615
Percentage of Depreciation0.00.00.0107.90.00.00.00.0

us-gaap:DirectPremiumsEarned

us-gaap:DirectPremiumsEarned


Direct
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312013-06-302012-06-30
Value282302341328315301325305333280277272266257224196
Percentage of DirectPremiumsEarned100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DirectPremiumsWritten

us-gaap:DirectPremiumsWritten


Direct
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value248260288269271279304287279261269279284256238229249268269245242232214203203187174190208200194184
Percentage of DirectPremiumsWritten100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock us-gaap:StatementEquityComponents

us-gaap:DividendsCommonStock

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2724242424250.5020.5060.5190.5340.5340.5330.5330.540.540.5380.5380.5380.5370.5350.2440.7890.5170.5210.480.4780.00.00.00.00.00.00.3291.002-0.3340.00.3341.404-0.331-0.205
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.00.00.0100.0100.0100.00.0100.0100.0100.0100.0

us-gaap:EquitySecuritiesFvNiRealizedGainLoss us-gaap:InvestmentType

us-gaap:EquitySecuritiesFvNiRealizedGainLoss

us-gaap:EquitySecurities


Equity
Period End2021-06-302020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value-227000.0051000.0310000.0-28000.00-680000.0-69000.0498000.0
Percentage of EquitySecuritiesFvNiRealizedGainLoss100.00.0100.0100.0100.00.0100.0100.0100.0

us-gaap:ImpairmentOfLeasehold

us-gaap:ImpairmentOfLeasehold


Impairment
Period End2021-06-30
Value3500000.0
Percentage of ImpairmentOfLeasehold100.0

us-gaap:ImpairmentOfLongLivedAssetsHeldForUse

us-gaap:ImpairmentOfLongLivedAssetsHeldForUse


Impairment
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
Value6.9710.4660.0220.31.950.0-0.1035.4271.574.057-0.130.0263.8656.5750.00.00.00.0
Percentage of ImpairmentOfLongLivedAssetsHeldForUse100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:ImpairmentOfLongLivedAssetsHeldForUse us-gaap:ConsolidationItems

us-gaap:MaterialReconcilingItems


Impairment
Period End2021-06-302021-03-312020-06-302020-03-31
Value4.0210.0840.0220.3
Percentage of ImpairmentOfLongLivedAssetsHeldForUse0.00.0100.0100.0

us-gaap:IncreaseDecreaseInSecuritiesLendingPayable

us-gaap:IncreaseDecreaseInSecuritiesLendingPayable


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value-11.80416-18.284-1.656-14.681-2.8544.294-1.995-9.97121-2.072-78.2178038-17.425360.00.00.0
Percentage of IncreaseDecreaseInSecuritiesLendingPayable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements


Incremental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value1202000.01764000.072000.0980000.001658000.0-3835000.05584000.05506000.04806000.02000.04593000.03854000.03916000.0278000.04096000.004017000.0153000.03129000.02989000.02418000.0-682000.03323000.03364000.03202000.0246000.02939000.02861000.02764000.00000
Percentage of IncrementalCommonSharesAttributableToShareBasedPaymentArrangements100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:InterestIncomeRelatedParty

us-gaap:InterestIncomeRelatedParty


Interest
Period End2020-09-30
Value1.5
Percentage of InterestIncomeRelatedParty100.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1 us-gaap:StatementBusinessSegments

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1

rdn:MortgageInsuranceSegment


Liability
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value0.230.0161.3071.2471.5940.02.4361.2770.2120.2953.541.2250.8650.226212.6120.9850.0428.6852.0930.5670.0657.422.8410.5760.05.6582.9110.4370.09.916210.149
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1 us-gaap:StatementBusinessSegments

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1

rdn:MortgageInsuranceSegment


Liability
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value3.9910399.587212326353234365855596412890821078090127169166211207111170239306273498326
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1 us-gaap:StatementBusinessSegments

us-gaap:LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1

rdn:MortgageInsuranceSegment


Liability
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value3.31345568730335342947202719193635361747545549425763334583486449144152136
Percentage of LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LossRatio dei:LegalEntity, us-gaap:Range, us-gaap:CededCreditRisk

us-gaap:LossRatio

rdn:RadianGuaranty, srt:Maximum, rdn:A2016SinglePremiumQSRTransaction


Loss
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value055.0054.4500.55
Percentage of LossRatio0.0100.00.0100.00.0100.0

rdn:RadianGuaranty, srt:Maximum, rdn:A2018SinglePremiumQSR


Loss
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312017-10-31
Value056.055.4400.560.56
Percentage of LossRatio0.0101.8101.80.0101.80.0

rdn:RadianGuaranty, srt:Maximum, rdn:A2020SinglePremiumQSR


Loss
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312020-01-31
Value056.055.4400.5656.0
Percentage of LossRatio0.0101.8101.80.0101.80.0

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent us-gaap:OtherComprehensiveIncomeLocation

us-gaap:OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncome


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value19182-80.687377078-1.297-26.468-57.5116.128218.9983.2483941
Percentage of OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax us-gaap:OtherComprehensiveIncomeLocation

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax

us-gaap:OtherComprehensiveIncome


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value4025230-102.136-19.01478999-2.291-1.642-33.503-72.799-5.9039.4283213-119.6734.997606311-1.749.6723.84127.2151.12711-1.1473.611-1.04312-23.62757
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-30
Value3119182-80.687-15.018377078-1.81-1.297-26.468-57.511-1.9876.128218.998-77.7873.24839412.872-1.8179.6733.9618.0454.6740.9267.464-1.637-0.429-0.6787.60415-24.9640
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value62-146.993119182-80.687-15.018377078-1.81-1.297-26.468-57.511-1.9876.128218.998-77.7873.2483941-11.1944.235-71.3668.3152.57-1.8179.6733.9618.0454.6740.9077.464-1.637-0.429-0.6787.604
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.089.5100.0100.0100.0100.0100.097.9100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax us-gaap:OtherComprehensiveIncomeLocation

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax

us-gaap:OtherComprehensiveIncome


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value8.4615.26648-21.449-3.9929.8821820-0.481-0.345-7.035-15.288-3.9163.3114.845-41.8861.74921228.1590.077-0.001-0.1214.332.5410.2013.9740.494.04-0.365-3.121.33317
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent us-gaap:OtherComprehensiveIncomeLocation

us-gaap:OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value78-186.0634025230-102.136-19.178478999-2.127-1.642-33.503-72.511-4.6769.4673313-119.8015.196063-17.426.331-109.551210-1.9269.6723.84127.2151.12711-1.1473.612-1.05512-23.02322
Percentage of OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax us-gaap:OtherComprehensiveIncomeLocation

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax

us-gaap:OtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.6080.311.3420.186-2.782106.0534.4011.303-0.495-2.225-5.12-1.691-3.9640.0690.17-1.795-2.509-0.075.6851.166-3.318-0.346-0.34368-0.051-1.264-0.541-0.6030.8090.0020.4441.150.067
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value0.480.2451.060.147-2.1988.3944.7823.4771.029-0.391-1.758-4.044-1.336-3.1320.0450.111-1.167-1.631-0.0453.6950.758-2.157-0.225-0.22344-0.033-0.752-0.419-0.3920.5240.00.3040.5540.0211.592-1.189-0.741
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax us-gaap:OtherComprehensiveIncomeLocation

us-gaap:OtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.480.2451.060.147-2.1988.3944.7823.4771.029-0.391-1.758-4.044-1.336-3.1320.0450.111-1.167-1.631-0.0453.6950.758-2.157-0.225-0.22344-0.033-0.752-0.419-0.3920.5240.00.3040.5540.021
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax us-gaap:OtherComprehensiveIncomeLocation

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax

us-gaap:OtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value0.1280.0650.2820.039-0.5842.2311.2710.9240.274-0.104-0.467-1.076-0.355-0.8320.0240.059-0.628-0.878-0.0251.990.408-1.161-0.121-0.1224-0.018-0.512-0.122-0.2110.2850.0020.140.5960.046
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossTax us-gaap:OtherComprehensiveIncomeLocation

us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value16-39.0738.4415.26648-21.449-4.0279.8821820-0.447-0.345-7.035-17.951-3.4883.311114.863-41.9331.8222122-6.0972.216-38.3424.4098.0320.077-0.001-0.1214.332.5410.2013.9740.494.04-0.369-3.121.5835.69
Percentage of OtherComprehensiveIncomeLossTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax us-gaap:OtherComprehensiveIncomeLocation

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value81-186.5434439234-91.511-12.957519198-4.516-6.762-35.194-76.763-5.8349.5983111-119.743106160-17.5686.172-33.2619.9299.767-2.2819.0694.649127.6592.27711-0.068-2.489-2.18317-23.4715.549
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value64-147.3693530185-72.293-10.236407278-3.568-5.341-27.804-60.643-1.9426.239207.367-77.8326.9434039-11.4194.012-21.626.4542.12-2.2369.2814.4858.0454.9781.487.485-0.045-1.618-1.4191717-23.4715.5498.066
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax us-gaap:OtherComprehensiveIncomeLocation

us-gaap:OtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value64-147.3693530185-72.293-10.236407278-3.568-5.341-27.804-60.643-1.9426.239207.367-77.8326.9434039-11.4194.012-21.626.4542.12-2.2369.2814.4858.0454.9781.487.466-0.045-1.618-1.41917-23.4715.549
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.099.7100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax us-gaap:OtherComprehensiveIncomeLocation

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax

us-gaap:OtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302011-12-312011-09-302011-06-30
Value17-39.1749.3468.19849-19.218-2.721101920-0.948-1.421-7.39-16.12-3.8923.359103.967-41.9113.7392121-6.1492.16-11.6413.4757.647-0.045-0.2120.1644.3322.6810.7974.02-0.023-0.871-0.7640.00.00.0
Percentage of OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:OtherCostAndExpenseOperating

us-gaap:OtherCostAndExpenseOperating


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
Value86708169606980767078777070636564686862646558586567546956655972706080555040503845454648433565
Percentage of OtherCostAndExpenseOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNonoperatingIncome

us-gaap:OtherNonoperatingIncome


Other
Period End2020-09-302020-06-302019-06-30
Value0247000.00
Percentage of OtherNonoperatingIncome0.0100.00.0

us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold us-gaap:FinancialInstrument, us-gaap:InvestmentType

us-gaap:OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold

us-gaap:CorporateDebtSecurities, us-gaap:FixedMaturities


Other
Period End2021-06-302020-12-312020-09-302020-06-30
Value30000.000306000.0
Percentage of OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold100.00.00.0100.0

us-gaap:PaymentsForLossesAndLossAdjustmentExpense us-gaap:StatementBusinessSegments

us-gaap:PaymentsForLossesAndLossAdjustmentExpense

rdn:MortgageInsuranceSegment


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value4.22104010222328363234395956598513191821168290127176169212207117173240306283519326
Percentage of PaymentsForLossesAndLossAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromOtherInvestingActivities

us-gaap:PaymentsForProceedsFromOtherInvestingActivities


Payments
Period End2021-06-302021-03-312020-06-302020-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-2.322-2.7210.001-2.3470.701-0.101-13.205-2.005-8.594-1.31575-0.682-1.4440.11.1261.5915.30427-1.7292.684
Percentage of PaymentsForProceedsFromOtherInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromProductiveAssets

us-gaap:PaymentsForProceedsFromProductiveAssets


Payments
Period End2021-06-302021-03-312020-06-302020-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.922.0735.6444.957.6877.2911106.5186.2028.618.1842.476.4653.9825.2722.7762.1252.9650.350.3621.028-0.570.0710.3810.2-2.9534.9690.760.6520.5850.9830.296
Percentage of PaymentsForProceedsFromProductiveAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForProceedsFromShortTermInvestments

us-gaap:PaymentsForProceedsFromShortTermInvestments


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
Value9.6143261-396.94734672-20.216-360.341-153.473526-108.4531118817-72.749-49.567-144.019-57.923-92.8773465-341.365-383.756-187.828455-106.728151217.6292195.40891-35.37589-2.67474-439.918-116.13205-74.475-94.755-312.73915621334-425.848
Percentage of PaymentsForProceedsFromShortTermInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecurities

us-gaap:PaymentsToAcquireAvailableForSaleSecurities


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value46348135088259761956068739027556750032448245634370344457124841675339836157315213213314910329800.00.00.0
Percentage of PaymentsToAcquireAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:PremiumsWrittenNet

us-gaap:PremiumsWrittenNet


Premiums
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value23825427626223126329027426825324925625423722221323125025120721720918177193178152182201174159155
Percentage of PremiumsWrittenNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromDebtNetOfIssuanceCosts

us-gaap:ProceedsFromDebtNetOfIssuanceCosts


Proceeds
Period End2020-12-312020-09-302019-12-312019-09-302018-12-312018-09-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.0-0.516-0.059-0.4390.00.0-1.0874430.00.00.0-0.132-0.59344-0.145-0.7813440.00.0-0.5932940.0-3.3820.00.03810.00.00.00.0
Percentage of ProceedsFromDebtNetOfIssuanceCosts0.0100.0100.0100.00.00.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.00.00.0100.00.00.00.00.0

us-gaap:ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates

us-gaap:ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.61215
Percentage of ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates0.00.0100.0100.0

us-gaap:ProceedsFromIssuanceOfCommonStock

us-gaap:ProceedsFromIssuanceOfCommonStock


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-312010-09-30
Value0.7720.340.0480.0250.0331.4470.290.8580.9050.3630.2570.3180.1470.6633.8490.160.2582.8650.3740.2780.0410.0241.2850.00.00.00.0-0.22470.00.0-0.1320.02990.00.00.00.00.00.00.0-0.298
Percentage of ProceedsFromIssuanceOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.00.00.0100.00.0100.00.00.00.00.00.00.00.0100.0

us-gaap:ProceedsFromIssuanceOfDebt dei:LegalEntity, rdn:ExcessofLossProgram, rdn:ILNInvestors, us-gaap:CededCreditRisk

us-gaap:ProceedsFromIssuanceOfDebt

rdn:RadianGuaranty, rdn:EagleRe20211Primary, rdn:RadianGroupInc., rdn:ExcessofLossProgram


Proceeds
Period End2021-04-30
Value45
Percentage of ProceedsFromIssuanceOfDebt100.0

us-gaap:ProceedsFromIssuanceOfDebt dei:LegalEntity, rdn:ExcessofLossProgram, rdn:ILNInvestors, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType

rdn:RadianGuaranty, rdn:EagleRe20211Primary, rdn:RadianGroupInc., rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment, us-gaap:SubsequentEvent


Proceeds
Period End2021-04-30
Value45
Percentage of ProceedsFromIssuanceOfDebt100.0

rdn:RadianGuaranty, rdn:EagleRe20211Primary, rdn:ThirdPartyCapitalMarket, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment, us-gaap:SubsequentEvent


Proceeds
Period End2021-04-30
Value452
Percentage of ProceedsFromIssuanceOfDebt996.3

us-gaap:ProceedsFromIssuanceOfDebt dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:ConcentrationRiskByType, us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType

rdn:RadianGuaranty, rdn:EagleRe20202Primary, rdn:ExcessofLossProgram, us-gaap:ReinsurerConcentrationRisk, rdn:MortgageInsuranceSegment, us-gaap:SubsequentEvent


Proceeds
Period End2020-10-31
Value390
Percentage of ProceedsFromIssuanceOfDebt0.0

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
Value3232952011721191511771031047911911812594861161371231178279583839195.502-3.0715.0411.4751.541.5485.3060.382.0351.450.7211.8211.9171.4682.714198.5945.907141712
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMaturitiesRepaymentsAndCallsOfTradingSecuritiesHeldforinvestment

us-gaap:ProceedsFromMaturitiesRepaymentsAndCallsOfTradingSecuritiesHeldforinvestment


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value1.6418.9650.8014.3021.383160.8570.97512230.8921915179.135262419174626345149
Percentage of ProceedsFromMaturitiesRepaymentsAndCallsOfTradingSecuritiesHeldforinvestment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities

us-gaap:ProceedsFromPaymentsForOtherFinancingActivities


Proceeds
Period End2021-06-302021-03-312020-06-302020-03-31
Value-237000.0-234000.0-1517000.0-237000.0
Percentage of ProceedsFromPaymentsForOtherFinancingActivities100.0100.0100.0100.0

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities


Proceeds
Period End2021-06-302021-03-312020-06-302020-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value174154202533149231195111-76.58439533.621-34.3587.31233133.1243.075141.102259.52128150.094341010.5152.191146636.555
Percentage of ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt


Proceeds
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-31
Value15920253320213243522812322487396253231195111
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfOtherAssetsInvestingActivities

us-gaap:ProceedsFromSaleOfOtherAssetsInvestingActivities


Proceeds
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value-1.357-0.0012.3470.1970.1410.3490.4791.8180.2010.0920.2860.1840.190.2220.0991.2331.0250.132
Percentage of ProceedsFromSaleOfOtherAssetsInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfTradingSecuritiesHeldforinvestment

us-gaap:ProceedsFromSaleOfTradingSecuritiesHeldforinvestment


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.07.9520.00.01.6669.9369.6629.162417023184.6751118468346112288465-104.731496469-50.3521968044413452425038099629411615450
Percentage of ProceedsFromSaleOfTradingSecuritiesHeldforinvestment0.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths

us-gaap:ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value293.0683146594237306.010298.9946.550.00.00.00.0
Percentage of ProceedsFromShortTermDebtMaturingInMoreThanThreeMonths100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0

us-gaap:ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded

us-gaap:ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded


Reinsurance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-1.0783.7466.4810391.9621.5330.7711.8681.6871.731.191
Percentage of ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ReinsuranceRetentionPolicyAmountRetained dei:LegalEntity, rdn:ExcessofLossLayer, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk

us-gaap:ReinsuranceRetentionPolicyAmountRetained

rdn:RadianGuaranty, rdn:XOLFirstLayer, rdn:EagleRe20202Primary, rdn:ExcessofLossProgram


Reinsurance
Period End2020-10-31
Value423
Percentage of ReinsuranceRetentionPolicyAmountRetained100.0

rdn:RadianGuaranty, rdn:XOLFirstLayer, rdn:EagleRe20211Primary, rdn:ExcessofLossProgram


Reinsurance
Period End2021-04-30
Value221
Percentage of ReinsuranceRetentionPolicyAmountRetained0.0

us-gaap:ReinsuranceRetentionPolicyAmountRetained dei:LegalEntity, rdn:ExcessofLossLayer, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:ConcentrationRiskByType, us-gaap:StatementBusinessSegments

rdn:RadianGuaranty, rdn:XOLFirstLayer, rdn:EagleRe20181Primary, rdn:ExcessofLossProgram, us-gaap:ReinsurerConcentrationRisk, rdn:MortgageInsuranceSegment


Reinsurance
Period End2020-09-302020-06-302020-03-312018-11-30
Value0.0-1.0203204
Percentage of ReinsuranceRetentionPolicyAmountRetained0.00.00.00.0

rdn:RadianGuaranty, rdn:XOLFirstLayer, rdn:EagleRe20191Primary, rdn:ExcessofLossProgram, us-gaap:ReinsurerConcentrationRisk, rdn:MortgageInsuranceSegment


Reinsurance
Period End2020-09-302020-06-302020-03-312019-04-30
Value-1.00.0267267
Percentage of ReinsuranceRetentionPolicyAmountRetained0.00.00.00.0

rdn:RadianGuaranty, rdn:XOLFirstLayer, rdn:EagleRe20201Primary, rdn:ExcessofLossProgram, us-gaap:ReinsurerConcentrationRisk, rdn:MortgageInsuranceSegment


Reinsurance
Period End2020-09-302020-06-302020-02-292020-03-31
Value0.00.0202202
Percentage of ReinsuranceRetentionPolicyAmountRetained0.00.00.00.0

us-gaap:ReinsuranceRetentionPolicyAmountRetained dei:LegalEntity, rdn:ExcessofLossLayer, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments

rdn:RadianGuaranty, rdn:XOLFirstLayer, rdn:EagleRe20181Primary, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


Reinsurance
Period End2021-03-312018-11-30
Value201205
Percentage of ReinsuranceRetentionPolicyAmountRetained0.00.0

rdn:RadianGuaranty, rdn:XOLFirstLayer, rdn:EagleRe20191Primary, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


Reinsurance
Period End2021-03-312019-04-30
Value265268
Percentage of ReinsuranceRetentionPolicyAmountRetained0.00.0

us-gaap:ReinsuranceRetentionPolicyExcessRetentionAmountReinsured dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk

us-gaap:ReinsuranceRetentionPolicyExcessRetentionAmountReinsured

rdn:RadianGuaranty, rdn:EagleRe20202Primary, rdn:ExcessofLossProgram


Reinsurance
Period End2020-10-31
Value390
Percentage of ReinsuranceRetentionPolicyExcessRetentionAmountReinsured100.0

rdn:RadianGuaranty, rdn:EagleRe20211Primary, rdn:ExcessofLossProgram


Reinsurance
Period End2021-04-30
Value498
Percentage of ReinsuranceRetentionPolicyExcessRetentionAmountReinsured0.0

us-gaap:ReinsuranceRetentionPolicyExcessRetentionAmountReinsured dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:ConcentrationRiskByType, us-gaap:StatementBusinessSegments

rdn:RadianGuaranty, rdn:EagleRe20181Primary, rdn:ExcessofLossProgram, us-gaap:ReinsurerConcentrationRisk, rdn:MortgageInsuranceSegment


Reinsurance
Period End2020-09-302020-06-302020-03-312018-11-30
Value0.0-23.0299434
Percentage of ReinsuranceRetentionPolicyExcessRetentionAmountReinsured0.00.00.00.0

rdn:RadianGuaranty, rdn:EagleRe20191Primary, rdn:ExcessofLossProgram, us-gaap:ReinsurerConcentrationRisk, rdn:MortgageInsuranceSegment


Reinsurance
Period End2020-09-302020-06-302020-03-312019-04-30
Value0.0-36.0421562
Percentage of ReinsuranceRetentionPolicyExcessRetentionAmountReinsured0.00.00.00.0

rdn:RadianGuaranty, rdn:EagleRe20201Primary, rdn:ExcessofLossProgram, us-gaap:ReinsurerConcentrationRisk, rdn:MortgageInsuranceSegment


Reinsurance
Period End2020-09-302020-06-302020-02-292020-03-31
Value0.00.0488488
Percentage of ReinsuranceRetentionPolicyExcessRetentionAmountReinsured0.00.00.00.0

us-gaap:ReinsuranceRetentionPolicyExcessRetentionAmountReinsured dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:ConcentrationRiskByType, us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType

rdn:RadianGuaranty, rdn:EagleRe20202Primary, rdn:ExcessofLossProgram, us-gaap:ReinsurerConcentrationRisk, rdn:MortgageInsuranceSegment, us-gaap:SubsequentEvent


Reinsurance
Period End2020-10-31
Value390
Percentage of ReinsuranceRetentionPolicyExcessRetentionAmountReinsured100.1

us-gaap:ReinsuranceRetentionPolicyExcessRetentionAmountReinsured dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments

rdn:RadianGuaranty, rdn:EagleRe20181Primary, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


Reinsurance
Period End2021-03-312018-11-30
Value276434
Percentage of ReinsuranceRetentionPolicyExcessRetentionAmountReinsured0.00.0

rdn:RadianGuaranty, rdn:EagleRe20191Primary, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


Reinsurance
Period End2021-03-312019-04-30
Value385562
Percentage of ReinsuranceRetentionPolicyExcessRetentionAmountReinsured0.00.0

rdn:RadianGuaranty, rdn:EagleRe20202Primary, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


Reinsurance
Period End2021-03-312020-10-31
Value355390
Percentage of ReinsuranceRetentionPolicyExcessRetentionAmountReinsured0.0100.0

us-gaap:ReinsuranceRetentionPolicyExcessRetentionAmountReinsured dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType

rdn:RadianGuaranty, rdn:EagleRe20211Primary, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment, us-gaap:SubsequentEvent


Reinsurance
Period End2021-04-30
Value497
Percentage of ReinsuranceRetentionPolicyExcessRetentionAmountReinsured0.0

us-gaap:RepaymentsOfLongTermCapitalLeaseObligations

us-gaap:RepaymentsOfLongTermCapitalLeaseObligations


Repayments
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-31
Value040000.039000.039000.037000.038000.039000.044000.050000.067000.059000.081000.086000.098000.0108000.0000
Percentage of RepaymentsOfLongTermCapitalLeaseObligations0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths

us-gaap:RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths


Repayments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value14283139372925237.557.0173.00.00.00.0
Percentage of RepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

rdn:PerformanceBasedRSUsEquitySettledMember


Share
Period End2020-09-30
Value-2.1
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue100.0

rdn:TimeVestedRSUsEquitySettled


Share
Period End2020-09-30
Value-3.75
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue178.6

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

rdn:PerformanceBasedRSUsEquitySettledMember


Share
Period End2020-09-30
Value0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0

rdn:TimeVestedRSUsEquitySettled


Share
Period End2020-09-30
Value0.03
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod

rdn:PerformanceBasedRSUsEquitySettledMember


Share
Period End2020-09-30
Value0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod0.0

rdn:TimeVestedRSUsEquitySettled


Share
Period End2020-09-30
Value51873.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

rdn:PerformanceBasedRSUsEquitySettledMember


Share
Period End2020-09-30
Value0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue0.0

rdn:TimeVestedRSUsEquitySettled


Share
Period End2020-09-30
Value-0.28
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures

rdn:PerformanceBasedRSUsEquitySettledMember


Share
Period End2020-09-30
Value10238.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures100.0

rdn:TimeVestedRSUsEquitySettled


Share
Period End2020-09-30
Value2771.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsForfeitures27.1

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted

rdn:PerformanceBasedRSUsEquitySettledMember


Share
Period End2020-09-30
Value0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted0.0

rdn:TimeVestedRSUsEquitySettled


Share
Period End2020-09-30
Value49684.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsGranted0.0

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOther us-gaap:AwardType

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOther

rdn:PerformanceBasedRSUsEquitySettledMember


Share
Period End2020-09-30
Value4164.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNonOptionEquityInstrumentsOther100.0

us-gaap:StatutoryAccountingPracticesStatutoryNetIncomeAmount dei:LegalEntity

us-gaap:StatutoryAccountingPracticesStatutoryNetIncomeAmount

rdn:RadianGuaranty


Statutory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-03-312015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value181166181157-92.347195165110-119.92467968-34.59.82.7-1.8-127.071
Percentage of StatutoryAccountingPracticesStatutoryNetIncomeAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rdn:RadianReinsurance


Statutory
Period End2021-06-302021-03-312020-06-302020-03-31
Value5.5181.93.13923
Percentage of StatutoryAccountingPracticesStatutoryNetIncomeAmount3.01.1-3.412.2

rdn:RadianTitleInsurance


Statutory
Period End2021-06-302021-03-312020-06-302020-03-31
Value1.3231.30.7430.1
Percentage of StatutoryAccountingPracticesStatutoryNetIncomeAmount0.70.8-0.80.1

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-06-302020-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value770000.01167000.036000.02235000.0406000.0985000.067000.0659000.028000.0800000.0353000.01241000.0
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStock


Stock
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-302019-06-302018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value1000.0002000.0001000.0001000.000001000.0000000
Percentage of StockIssuedDuringPeriodValueShareBasedCompensation0.10.00.05.60.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedAndRetiredDuringPeriodValue

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-30
Value0.00.022677165310.040100.00.0060.00.0
Percentage of StockRepurchasedAndRetiredDuringPeriodValue0.00.0100.0100.0100.0100.00.0100.0100.00.0100.00.00.0

us-gaap:CommonStock


Stock
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302016-09-30
Value0.00.00.0110.0030.0080.0010.00.0030.00.00.0
Percentage of StockRepurchasedAndRetiredDuringPeriodValue0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:StockRepurchasedDuringPeriodShares us-gaap:ShareRepurchaseProgram

us-gaap:StockRepurchasedDuringPeriodShares

rdn:Totalof3Q19and1Q20RepurchasePrograms


Stock
Period End2021-06-302021-03-312020-12-31
Value3.8924560.4131410.0
Percentage of StockRepurchasedDuringPeriodShares100.0100.00.0

us-gaap:StockRepurchasedDuringPeriodShares us-gaap:ShareRepurchaseProgram, us-gaap:SubsequentEventType

rdn:Totalof3Q19and1Q20RepurchasePrograms, us-gaap:SubsequentEvent


Stock
Period End2021-07-312020-03-31
Value2.8086582.738462
Percentage of StockRepurchasedDuringPeriodShares0.00.0

us-gaap:StockRepurchasedDuringPeriodValue us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedDuringPeriodValue

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-06-302020-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value908.6370.02260.00.00.00.0100-403.978-0.002
Percentage of StockRepurchasedDuringPeriodValue100.0100.00.0100.00.00.00.00.0100.0100.0100.0

us-gaap:CommonStock


Stock
Period End2021-06-302020-06-302020-03-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.0040.00.0110.00.00.00.00.009-0.0220.002
Percentage of StockRepurchasedDuringPeriodValue0.00.00.00.00.00.00.00.00.0-100.0

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense us-gaap:StatementBusinessSegments

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense

rdn:MortgageInsuranceSegment


Supplemental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value355069923154138343438353230363956375154514456445053808310689108107140154
Percentage of SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense us-gaap:StatementBusinessSegments

us-gaap:SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense

rdn:MortgageInsuranceSegment


Supplemental
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-30
Value-32.182-4.513-13.053-4.271-11.347-5.876-4.13-4.96212-18.173-7.624-12.764-11.7020.391-3.955-20.61-20.405-4.3160.394.5325.066-13.5041213-19.835-35.360.154-58.37-25.608-59.6893711-18.196
Percentage of SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TradingSecuritiesRealizedGainLoss us-gaap:InvestmentType

us-gaap:TradingSecuritiesRealizedGainLoss

rdn:TradingSecurities


Trading
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value-0.1120.5030.0-0.0450.0490.0190.274-0.684-0.93-0.26-0.112-0.5380.271-0.223
Percentage of TradingSecuritiesRealizedGainLoss100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TradingSecuritiesUnrealizedHoldingGainLoss us-gaap:InvestmentType

us-gaap:TradingSecuritiesUnrealizedHoldingGainLoss

rdn:TradingSecurities


Trading
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value4.601-8.0890.593-1.1513-2.034-2.6164.1327.6088.5872.044-2.622-5.816-11.42-1.1842.694
Percentage of TradingSecuritiesUnrealizedHoldingGainLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value9.8780.2320.370.0077.7140.3670.1010.1376.0980.4510.2350.0250.4190.3030.1340.2230.1590.040.1350.0210.00.00.00.00.0270.1880.00.00.0240.130.0-0.0030.00.010.00.0640.0-0.0240.0234.977-1.735-0.749
Percentage of TreasuryStockValueAcquiredCostMethod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.00.00.0100.0100.00.0100.00.0100.00.0100.00.0100.0100.0100.0100.0100.0

us-gaap:UnrealizedGainLossOnSecurities

us-gaap:UnrealizedGainLossOnSecurities


Unrealized
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value8.036-2.519102.81324-26.8450.2154.4199.11719-10.1551.405-5.733-12.804-1.2872.353
Percentage of UnrealizedGainLossOnSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


Entity
Period End2021-08-042021-05-052021-02-242020-11-052020-08-06
Value185191191191191
Percentage of EntityCommonStockSharesOutstanding100.0100.0100.0100.0100.0

rdn:AccruedInvestmentIncome

rdn:AccruedInvestmentIncome


Accrued
Period End2021-06-302021-03-312020-12-31
Value323434
Percentage of AccruedInvestmentIncome100.0100.0100.0

rdn:AvailableforsaleDebtSecuritiesAmortizedCostBasisIncludingLoanedSecurities us-gaap:FinancialInstrument

rdn:AvailableforsaleDebtSecuritiesAmortizedCostBasisIncludingLoanedSecurities

us-gaap:DebtSecurities


Availableforsale
Period End2020-09-302020-06-302020-03-312019-09-30
Value5351480645694403
Percentage of AvailableforsaleDebtSecuritiesAmortizedCostBasisIncludingLoanedSecurities100.0100.0100.0100.0

rdn:AvailableforsaleDebtSecuritiesAmortizedCostBasisIncludingLoanedSecurities us-gaap:FinancialInstrument, us-gaap:InvestmentType

rdn:MortgageInsuranceLinkedNotes, us-gaap:FixedMaturities


Availableforsale
Period End2021-06-30
Value45
Percentage of AvailableforsaleDebtSecuritiesAmortizedCostBasisIncludingLoanedSecurities0.0

us-gaap:AssetBackedSecurities, us-gaap:FixedMaturities


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value225236249811700708760718712
Percentage of AvailableforsaleDebtSecuritiesAmortizedCostBasisIncludingLoanedSecurities0.00.00.015.214.615.50.016.30.0

us-gaap:CollateralizedLoanObligations, us-gaap:FixedMaturities


Availableforsale
Period End2021-06-302021-03-312020-12-312019-12-31
Value519561569465
Percentage of AvailableforsaleDebtSecuritiesAmortizedCostBasisIncludingLoanedSecurities0.00.00.00.0

us-gaap:CommercialMortgageBackedSecurities, us-gaap:FixedMaturities


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value685685645686614609593542546
Percentage of AvailableforsaleDebtSecuritiesAmortizedCostBasisIncludingLoanedSecurities0.00.00.012.812.813.30.012.30.0

us-gaap:CorporateDebtSecurities, us-gaap:FixedMaturities


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value290929382832270324552239213622542288
Percentage of AvailableforsaleDebtSecuritiesAmortizedCostBasisIncludingLoanedSecurities0.00.00.050.551.149.00.051.20.0

us-gaap:DebtSecurities, us-gaap:FixedMaturities


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value544755035426535148064569457344034106
Percentage of AvailableforsaleDebtSecuritiesAmortizedCostBasisIncludingLoanedSecurities0.00.00.0100.0100.0100.00.0100.00.0

us-gaap:ForeignGovernmentDebtSecurities, us-gaap:FixedMaturities


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value5.1055.1025.15.0985.0965.0935.0915.089
Percentage of AvailableforsaleDebtSecuritiesAmortizedCostBasisIncludingLoanedSecurities0.00.00.00.10.10.10.00.1

us-gaap:ResidentialMortgageBackedSecurities, us-gaap:FixedMaturities


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value701752799813798747766605334
Percentage of AvailableforsaleDebtSecuritiesAmortizedCostBasisIncludingLoanedSecurities0.00.00.015.216.616.40.013.80.0

us-gaap:USGovernmentAgenciesDebtSecurities, us-gaap:FixedMaturities


Availableforsale
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302018-12-31
Value17612214819817685
Percentage of AvailableforsaleDebtSecuritiesAmortizedCostBasisIncludingLoanedSecurities0.02.63.20.04.00.0

us-gaap:USGovernmentCorporationsAndAgenciesSecurities, us-gaap:FixedMaturities


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value213172176186198
Percentage of AvailableforsaleDebtSecuritiesAmortizedCostBasisIncludingLoanedSecurities0.00.00.03.50.0

us-gaap:USStatesAndPoliticalSubdivisions, us-gaap:FixedMaturities


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value141151149145109111112100138
Percentage of AvailableforsaleDebtSecuritiesAmortizedCostBasisIncludingLoanedSecurities0.00.00.02.72.32.40.02.30.0

rdn:AvailableforsaleSecuritiesDebtSecuritiesIncludingLoanedSecurities us-gaap:FinancialInstrument

rdn:AvailableforsaleSecuritiesDebtSecuritiesIncludingLoanedSecurities

us-gaap:DebtSecurities


Availableforsale
Period End2020-09-302020-06-302020-03-312019-09-30
Value5642507246074561
Percentage of AvailableforsaleSecuritiesDebtSecuritiesIncludingLoanedSecurities100.0100.0100.0100.0

rdn:AvailableforsaleSecuritiesDebtSecuritiesIncludingLoanedSecurities us-gaap:FinancialInstrument, us-gaap:InvestmentType

rdn:MortgageInsuranceLinkedNotes, us-gaap:FixedMaturities


Availableforsale
Period End2021-06-30
Value48
Percentage of AvailableforsaleSecuritiesDebtSecuritiesIncludingLoanedSecurities0.0

us-gaap:AssetBackedSecurities, us-gaap:FixedMaturities


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value226238252809686666759717704
Percentage of AvailableforsaleSecuritiesDebtSecuritiesIncludingLoanedSecurities0.00.00.014.313.514.50.015.70.0

us-gaap:CollateralizedLoanObligations, us-gaap:FixedMaturities


Availableforsale
Period End2021-06-302021-03-312020-12-312019-12-31
Value521562568462
Percentage of AvailableforsaleSecuritiesDebtSecuritiesIncludingLoanedSecurities0.00.00.00.0

us-gaap:CommercialMortgageBackedSecurities, us-gaap:FixedMaturities


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value714708681718637610608563539
Percentage of AvailableforsaleSecuritiesDebtSecuritiesIncludingLoanedSecurities0.00.00.012.712.613.30.012.30.0

us-gaap:CorporateDebtSecurities, us-gaap:FixedMaturities


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value306530353078291126502268224123622229
Percentage of AvailableforsaleSecuritiesDebtSecuritiesIncludingLoanedSecurities0.00.00.051.652.349.20.051.80.0

us-gaap:DebtSecurities, us-gaap:FixedMaturities


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value567356495759564250724607471245614028
Percentage of AvailableforsaleSecuritiesDebtSecuritiesIncludingLoanedSecurities0.00.00.0100.0100.0100.00.0100.00.0

us-gaap:ForeignGovernmentDebtSecurities, us-gaap:FixedMaturities


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value5.3995.3935.4385.2965.344.9475.2245.182
Percentage of AvailableforsaleSecuritiesDebtSecuritiesIncludingLoanedSecurities0.00.00.00.10.10.10.00.1

us-gaap:ResidentialMortgageBackedSecurities, us-gaap:FixedMaturities


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value719774833850835779779619332
Percentage of AvailableforsaleSecuritiesDebtSecuritiesIncludingLoanedSecurities0.00.00.015.116.516.90.013.60.0

us-gaap:USGovernmentAgenciesDebtSecurities, us-gaap:FixedMaturities


Availableforsale
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302018-12-31
Value17413315919918284
Percentage of AvailableforsaleSecuritiesDebtSecuritiesIncludingLoanedSecurities0.02.63.50.04.00.0

us-gaap:USGovernmentCorporationsAndAgenciesSecurities, us-gaap:FixedMaturities


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value214164174186199
Percentage of AvailableforsaleSecuritiesDebtSecuritiesIncludingLoanedSecurities0.00.00.03.30.0

us-gaap:USStatesAndPoliticalSubdivisions, us-gaap:FixedMaturities


Availableforsale
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value157161165159123116119110138
Percentage of AvailableforsaleSecuritiesDebtSecuritiesIncludingLoanedSecurities0.00.00.02.82.42.50.02.40.0

rdn:ContractualDeferredMonthlyPremiums us-gaap:StatementBusinessSegments

rdn:ContractualDeferredMonthlyPremiums

rdn:MortgageInsuranceSegment


Contractual
Period End2020-12-312019-12-31
Value7778
Percentage of ContractualDeferredMonthlyPremiums100.0100.0

rdn:DefaultToClaimEstimateGrossForForeclosureStageDefaults us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

rdn:DefaultToClaimEstimateGrossForForeclosureStageDefaults

rdn:PrimaryMortgageProduct, rdn:MortgageInsuranceSegment


Default
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value75.00.70.750.810.810.81
Percentage of DefaultToClaimEstimateGrossForForeclosureStageDefaults100.0100.0100.0100.0100.0100.0

rdn:DefaultToClaimRateEstimateGrossForNewDefaults us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

rdn:DefaultToClaimRateEstimateGrossForNewDefaults

rdn:PrimaryMortgageProduct, rdn:MortgageInsuranceSegment


Default
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-312016-12-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value8.08.08.58.50.0850.0750.0750.0750.080.080.080.0850.10.120.130.140.140.150.16
Percentage of DefaultToClaimRateEstimateGrossForNewDefaults100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rdn:DefaultToClaimRateEstimateGrossForPreForeclosureStageDefaults rdn:DefaulttoClaimRateDefaultsNotinForeclosureStageAge, us-gaap:ProductOrService, us-gaap:Range, us-gaap:StatementBusinessSegments

rdn:DefaultToClaimRateEstimateGrossForPreForeclosureStageDefaults

rdn:AgedLessThan2Years, rdn:PrimaryMortgageProduct, srt:Maximum, rdn:MortgageInsuranceSegment


Default
Period End2020-12-312019-12-312018-12-31
Value55.055.657.4
Percentage of DefaultToClaimRateEstimateGrossForPreForeclosureStageDefaults100.0100.0100.0

rdn:DefaultToClaimRateEstimateGrossForPreForeclosureStageDefaults rdn:DefaulttoClaimRateDefaultsNotinForeclosureStageAge, us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

rdn:Aged2To5Years, rdn:PrimaryMortgageProduct, rdn:MortgageInsuranceSegment


Default
Period End2020-12-312019-12-312018-12-31
Value62.548.052.0
Percentage of DefaultToClaimRateEstimateGrossForPreForeclosureStageDefaults113.686.390.6

rdn:AgedGreaterThan5Years, rdn:PrimaryMortgageProduct, rdn:MortgageInsuranceSegment


Default
Period End2020-12-312019-12-312018-12-312017-12-31
Value70.00.630.680.62
Percentage of DefaultToClaimRateEstimateGrossForPreForeclosureStageDefaults127.31.11.20.0

rdn:AgedLessThan2Years, rdn:PrimaryMortgageProduct, rdn:MortgageInsuranceSegment


Default
Period End2020-12-312019-12-312018-12-31
Value21.022.023.0
Percentage of DefaultToClaimRateEstimateGrossForPreForeclosureStageDefaults38.239.640.1

rdn:DeferredTaxAssetsDeferredPolicyAcquisitionandCedingCommissionCosts

rdn:DeferredTaxAssetsDeferredPolicyAcquisitionandCedingCommissionCosts


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value7.043111514
Percentage of DeferredTaxAssetsDeferredPolicyAcquisitionandCedingCommissionCosts100.0100.0100.0100.0

rdn:DeferredTaxAssetsLeaseLiability

rdn:DeferredTaxAssetsLeaseLiability


Deferred
Period End2020-12-312019-12-312018-12-31
Value11130.0
Percentage of DeferredTaxAssetsLeaseLiability100.0100.00.0

rdn:DeferredTaxAssetsOperatingLossCarryforwardsStateandLocalNetofFederalBenefit

rdn:DeferredTaxAssetsOperatingLossCarryforwardsStateandLocalNetofFederalBenefit


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value7565676851
Percentage of DeferredTaxAssetsOperatingLossCarryforwardsStateandLocalNetofFederalBenefit100.0100.0100.0100.0100.0

rdn:DeferredTaxAssetsShareBasedCompensation

rdn:DeferredTaxAssetsShareBasedCompensation


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value9.291111010
Percentage of DeferredTaxAssetsShareBasedCompensation100.0100.0100.0100.0

rdn:DeferredTaxLiabilitiesContingencyReserve

rdn:DeferredTaxLiabilitiesContingencyReserve


Deferred
Period End2020-12-312019-12-312018-12-31
Value2161370.0
Percentage of DeferredTaxLiabilitiesContingencyReserve100.0100.00.0

rdn:EmployeeStockPurchasePlanESPPNumberofSharesAvailableforIssuance us-gaap:PlanName, us-gaap:SubsequentEventType, us-gaap:SubsidiarySaleOfStock

rdn:EmployeeStockPurchasePlanESPPNumberofSharesAvailableforIssuance

rdn:AmendedandRestatedRadianGroupInc.EmployeeStockPurchasePlan, us-gaap:SubsequentEvent, us-gaap:EmployeeStock


Employee
Period End2021-02-01
Value1776500.0
Percentage of EmployeeStockPurchasePlanESPPNumberofSharesAvailableforIssuance100.0

rdn:FirstLienPrimaryMortgageInsuranceRiskInForceCeded dei:LegalEntity, us-gaap:CededCreditRisk

rdn:FirstLienPrimaryMortgageInsuranceRiskInForceCeded

rdn:RadianGuaranty, rdn:A2016SinglePremiumQSRTransaction


First
Period End2020-12-312019-12-312018-12-312017-12-31
Value3071540063006900
Percentage of FirstLienPrimaryMortgageInsuranceRiskInForceCeded100.0100.0100.0100.0

rdn:RadianGuaranty, rdn:A2018SinglePremiumQSR


First
Period End2020-12-312019-12-312018-12-31
Value197932001900
Percentage of FirstLienPrimaryMortgageInsuranceRiskInForceCeded64.459.330.2

rdn:RadianGuaranty, rdn:A2020SinglePremiumQSR


First
Period End2020-12-31
Value1597
Percentage of FirstLienPrimaryMortgageInsuranceRiskInForceCeded52.0

rdn:RadianGuaranty, rdn:QuotaShareReinsuranceTransactions


First
Period End2020-12-312019-12-312018-12-312017-12-31
Value3816009001200
Percentage of FirstLienPrimaryMortgageInsuranceRiskInForceCeded12.411.114.317.4

rdn:FundsHeldUnderReinsuranceAgreementsOffBalanceSheetAsset

rdn:FundsHeldUnderReinsuranceAgreementsOffBalanceSheetAsset


Funds
Period End2020-12-312020-06-302020-03-312019-12-312018-12-31
Value228243221203212
Percentage of FundsHeldUnderReinsuranceAgreementsOffBalanceSheetAsset100.0100.0100.0100.0100.0

rdn:IncomeTaxesPayableFederalCurrent

rdn:IncomeTaxesPayableFederalCurrent


Income
Period End2020-12-31
Value17
Percentage of IncomeTaxesPayableFederalCurrent100.0

rdn:LesseeOperatingLeaseImputedInterest

rdn:LesseeOperatingLeaseImputedInterest


Lessee
Period End2020-12-31
Value32
Percentage of LesseeOperatingLeaseImputedInterest100.0

rdn:NetRiskInForce dei:LegalEntity

rdn:NetRiskInForce

rdn:RadianGuaranty


Net
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-31
Value48914468794982044076434844215441283407114024138956375713679338712373743601435357348493402833376363963339832290313243061529713282872707526128248992274120537192262055218095
Percentage of NetRiskInForce100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rdn:PercentofLTVatwhichHPAMustBeCanceledAutomatically

rdn:PercentofLTVatwhichHPAMustBeCanceledAutomatically


Percentof
Period End2020-12-31
Value78.0
Percentage of PercentofLTVatwhichHPAMustBeCanceledAutomatically100.0

rdn:PercentofStockWithOrdinaryVotingRightsThatCompanyMustRetainInOrderToMakeAnyCapitalStockTransactions us-gaap:DebtInstrument, us-gaap:LongtermDebtType

rdn:PercentofStockWithOrdinaryVotingRightsThatCompanyMustRetainInOrderToMakeAnyCapitalStockTransactions

rdn:SeniorNotesDue2024and2027, us-gaap:SeniorNotes


Percentof
Period End2020-12-31
Value80.0
Percentage of PercentofStockWithOrdinaryVotingRightsThatCompanyMustRetainInOrderToMakeAnyCapitalStockTransactions100.0

rdn:PremiumReceivableforDeferredMonthlyPremiums us-gaap:StatementBusinessSegments

rdn:PremiumReceivableforDeferredMonthlyPremiums

rdn:MortgageInsuranceSegment


Premium
Period End2020-12-312019-12-31
Value2917
Percentage of PremiumReceivableforDeferredMonthlyPremiums100.0100.0

rdn:PrivateMortgageInsuranceProtectsLendersForLoansMadeWithLessThanThisMaximumDownPaymentPercentage us-gaap:StatementBusinessSegments

rdn:PrivateMortgageInsuranceProtectsLendersForLoansMadeWithLessThanThisMaximumDownPaymentPercentage

rdn:MortgageInsuranceSegment


Private
Period End2020-12-31
Value20.0
Percentage of PrivateMortgageInsuranceProtectsLendersForLoansMadeWithLessThanThisMaximumDownPaymentPercentage100.0

rdn:PrivateMortgageInsuranceProtectsLendersForRefinancingsMadetoHomeBuyersWithLessThanThisMaximumEquityOwnershipPercentage us-gaap:StatementBusinessSegments

rdn:PrivateMortgageInsuranceProtectsLendersForRefinancingsMadetoHomeBuyersWithLessThanThisMaximumEquityOwnershipPercentage

rdn:MortgageInsuranceSegment


Private
Period End2020-12-31
Value20.0
Percentage of PrivateMortgageInsuranceProtectsLendersForRefinancingsMadetoHomeBuyersWithLessThanThisMaximumEquityOwnershipPercentage100.0

rdn:ReinsuranceRecoverablesPaidLosses

rdn:ReinsuranceRecoverablesPaidLosses


Reinsurance
Period End2021-06-302021-03-312020-12-31
Value7000.016000.032000.0
Percentage of ReinsuranceRecoverablesPaidLosses100.0100.0100.0

rdn:ReinvestedCashCollateralHeldUnderSecuritiesLendingAgreements

rdn:ReinvestedCashCollateralHeldUnderSecuritiesLendingAgreements


Reinvested
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-12-312018-12-31
Value324415338.7272511
Percentage of ReinvestedCashCollateralHeldUnderSecuritiesLendingAgreements100.0100.0100.0100.0100.0100.0100.0

rdn:ReinvestedCashCollateralHeldUnderSecuritiesLendingAgreements us-gaap:InvestmentType

rdn:TradingSecurities


Reinvested
Period End2020-12-312019-12-31
Value1525
Percentage of ReinvestedCashCollateralHeldUnderSecuritiesLendingAgreements100.1100.2

rdn:RestrictedNetAssetsHeldByConsolidatedSubsidiaries

rdn:RestrictedNetAssetsHeldByConsolidatedSubsidiaries


Restricted
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value409942003600360030002900220013001200
Percentage of RestrictedNetAssetsHeldByConsolidatedSubsidiaries100.0100.0100.0100.0100.0100.0100.0100.0100.0

rdn:RestrictedNetAssetsHeldByConsolidatedSubsidiaries us-gaap:ConsolidatedEntities

srt:ParentCompany


Restricted
Period End2020-12-312019-12-312018-12-312017-12-31
Value4545441339273764
Percentage of RestrictedNetAssetsHeldByConsolidatedSubsidiaries110.9105.1109.1104.6

rdn:RiskInForce dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk

rdn:RiskInForce

rdn:RadianGuaranty, rdn:EagleRe20181Primary, rdn:ExcessofLossProgram


Risk
Period End2021-06-302020-12-312018-11-30
Value281839869109
Percentage of RiskInForce100.0100.0100.0

rdn:RadianGuaranty, rdn:EagleRe20191Primary, rdn:ExcessofLossProgram


Risk
Period End2021-06-302020-12-312019-04-30
Value3289465710705
Percentage of RiskInForce116.7116.80.0

rdn:RadianGuaranty, rdn:EagleRe20201Primary, rdn:ExcessofLossProgram


Risk
Period End2021-06-302020-12-312020-02-29
Value439761219866
Percentage of RiskInForce156.0153.60.0

rdn:RadianGuaranty, rdn:EagleRe20202Primary, rdn:ExcessofLossProgram


Risk
Period End2021-06-302020-12-312020-10-31
Value95161174813011
Percentage of RiskInForce337.7294.70.0

rdn:RadianGuaranty, rdn:EagleRe20211Primary, rdn:ExcessofLossProgram


Risk
Period End2021-06-302021-04-30
Value1054611061
Percentage of RiskInForce374.20.0

rdn:RiskInForce dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:ConcentrationRiskByType, us-gaap:StatementBusinessSegments

rdn:RadianGuaranty, rdn:EagleRe20181Primary, rdn:ExcessofLossProgram, us-gaap:ReinsurerConcentrationRisk, rdn:MortgageInsuranceSegment


Risk
Period End2020-09-302020-06-302020-03-312018-11-30
Value4742559864829100
Percentage of RiskInForce0.00.00.099.9

rdn:RadianGuaranty, rdn:EagleRe20191Primary, rdn:ExcessofLossProgram, us-gaap:ReinsurerConcentrationRisk, rdn:MortgageInsuranceSegment


Risk
Period End2020-09-302020-06-302020-03-312019-04-30
Value55146473767910700
Percentage of RiskInForce0.00.00.00.0

rdn:RadianGuaranty, rdn:EagleRe20201Primary, rdn:ExcessofLossProgram, us-gaap:ReinsurerConcentrationRisk, rdn:MortgageInsuranceSegment


Risk
Period End2020-09-302020-06-302020-03-312020-02-29
Value7155815292009866
Percentage of RiskInForce0.00.00.00.0

rdn:RiskInForce dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:ConcentrationRiskByType, us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType

rdn:RadianGuaranty, rdn:EagleRe20202Primary, rdn:ExcessofLossProgram, us-gaap:ReinsurerConcentrationRisk, rdn:MortgageInsuranceSegment, us-gaap:SubsequentEvent


Risk
Period End2020-10-31
Value13000
Percentage of RiskInForce0.0

rdn:RiskInForce dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments

rdn:RadianGuaranty, rdn:EagleRe20181Primary, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


Risk
Period End2021-03-312020-12-312019-12-312018-11-30
Value3370398670269100
Percentage of RiskInForce0.0100.00.099.9

rdn:RadianGuaranty, rdn:EagleRe20191Primary, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


Risk
Period End2021-03-312020-12-312019-12-312019-04-30
Value39504657840910705
Percentage of RiskInForce0.0116.80.00.0

rdn:RadianGuaranty, rdn:EagleRe20201Primary, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


Risk
Period End2021-03-312020-12-312020-02-29
Value515661219866
Percentage of RiskInForce0.0153.60.0

rdn:RadianGuaranty, rdn:EagleRe20202Primary, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


Risk
Period End2021-03-312020-12-312020-10-31
Value104581174813011
Percentage of RiskInForce0.0294.70.0

rdn:RiskInForce dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments, us-gaap:SubsequentEventType

rdn:RadianGuaranty, rdn:EagleRe20211Primary, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment, us-gaap:SubsequentEvent


Risk
Period End2021-04-30
Value11100
Percentage of RiskInForce0.0

rdn:RiskInForce dei:LegalEntity, us-gaap:CededCreditRisk

rdn:RadianGuaranty, rdn:A2016SinglePremiumQSRTransaction


Risk
Period End2021-06-302021-03-312020-12-31
Value236626833071
Percentage of RiskInForce84.00.077.0

rdn:RadianGuaranty, rdn:A2018SinglePremiumQSR


Risk
Period End2021-06-302021-03-312020-12-31
Value146516981979
Percentage of RiskInForce52.00.049.6

rdn:RadianGuaranty, rdn:A2020SinglePremiumQSR


Risk
Period End2021-06-302021-03-312020-12-31
Value189717671597
Percentage of RiskInForce67.30.040.1

rdn:RiskInForce dei:LegalEntity, us-gaap:CededCreditRisk, us-gaap:ConcentrationRiskByType

rdn:RadianGuaranty, rdn:A2016SinglePremiumQSRTransaction, us-gaap:ReinsurerConcentrationRisk


Risk
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-31
Value3676453350805351570059006100640066006800430041003900
Percentage of RiskInForce0.00.00.00.00.00.00.00.00.00.00.00.00.0

rdn:RadianGuaranty, rdn:A2018SinglePremiumQSR, us-gaap:ReinsurerConcentrationRisk


Risk
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value235227113066323129002600210016001000400
Percentage of RiskInForce0.00.00.00.00.00.00.00.00.00.0

rdn:RadianGuaranty, rdn:A2020SinglePremiumQSR, us-gaap:ReinsurerConcentrationRisk


Risk
Period End2020-09-302020-06-302020-03-312019-12-31
Value13319294350.0
Percentage of RiskInForce0.00.00.00.0

rdn:RiskInForce rdn:RiskinForce, us-gaap:StatementBusinessSegments

rdn:CreditRiskTransferTransactions, rdn:MortgageInsuranceSegment


Risk
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value434428392389325332275
Percentage of RiskInForce15.40.09.80.00.00.00.0

rdn:RiskInForce us-gaap:StatementBusinessSegments

rdn:MortgageInsuranceSegment


Risk
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312014-09-30
Value5800058500607006100060300609006090060400591005740056700513005120049800484004770047300458004480044000
Percentage of RiskInForce2058.20.01522.80.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

rdn:RiskToCapitalRatio dei:LegalEntity

rdn:RiskToCapitalRatio

rdn:RadianGuaranty


Risk
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312010-12-31
Value11.411.912.713.213.313.813.614.214.613.413.912.412.512.612.814.414.314.313.513.714.012.514.316.516.517.117.918.418.719.219.50.1980.1970.18620.80.2010.210.20621.516.8
Percentage of RiskToCapitalRatio100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rdn:SecondLienReserveforPremiumDeficiency

rdn:SecondLienReserveforPremiumDeficiency


Second
Period End2020-12-312019-12-312018-12-31
Value100000.0200000.0900000.0
Percentage of SecondLienReserveforPremiumDeficiency100.0100.0100.0

rdn:SecuritiesLoanedAssetAmortizedCostBasis us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument, us-gaap:SecuritiesFinancingTransaction

rdn:SecuritiesLoanedAssetAmortizedCostBasis

us-gaap:FairValueMeasurementsRecurring, us-gaap:CorporateDebtSecurities, us-gaap:SecuritiesFinancingTransactionCost


Securities
Period End2020-09-302019-12-31
Value1223
Percentage of SecuritiesLoanedAssetAmortizedCostBasis100.0100.0

rdn:SecuritiesLoanedAssetAmortizedCostBasis us-gaap:FinancialInstrument, us-gaap:InvestmentType, us-gaap:SecuritiesFinancingTransaction

us-gaap:CorporateDebtSecurities, us-gaap:FixedMaturities, us-gaap:SecuritiesFinancingTransactionCost


Securities
Period End2020-09-30
Value12
Percentage of SecuritiesLoanedAssetAmortizedCostBasis100.0

rdn:SeniorNotesFairValue us-gaap:FairValueByMeasurementBasis

rdn:SeniorNotesFairValue

us-gaap:EstimateOfFairValueFairValueDisclosure


Senior
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value156315281563145013958869499191016105110071053104010561093
Percentage of SeniorNotesFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rdn:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantExcludingAdjustments us-gaap:PlanName

rdn:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantExcludingAdjustments

rdn:AmendedandRestatedEquityCompensationPlan2017


Share
Period End2020-12-31
Value8050800.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantExcludingAdjustments100.0

rdn:StatutoryAccountingPracticeStatutoryPosition dei:LegalEntity

rdn:StatutoryAccountingPracticeStatutoryPosition

rdn:RadianGuaranty


Statutory
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-31
Value36953530361032453063288630892924325231122980286826912617252626102542243926752547201919591837171416171340
Percentage of StatutoryAccountingPracticeStatutoryPosition100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rdn:StatutoryAccountingPracticesContingencyReserve dei:LegalEntity

rdn:StatutoryAccountingPracticesContingencyReserve

rdn:RadianGuaranty


Statutory
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-31
Value360035003400321230513089260721091667
Percentage of StatutoryAccountingPracticesContingencyReserve100.0100.0100.0100.0100.0100.0100.0100.0100.0

rdn:StatutoryUnassignedNegativeSurplus dei:LegalEntity

rdn:StatutoryUnassignedNegativeSurplus

rdn:RadianGuaranty


Statutory
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value859503701765691679715623685767
Percentage of StatutoryUnassignedNegativeSurplus100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rdn:RadianReinsurance


Statutory
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value3195084112118127
Percentage of StatutoryUnassignedNegativeSurplus37.210.012.114.717.118.7

rdn:UnearnedCedingCommissions

rdn:UnearnedCedingCommissions


Unearned
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value434752596671747780889192928989
Percentage of UnearnedCedingCommissions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

rdn:VIENonconsolidatedCarryingAmountAssets dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments

rdn:VIENonconsolidatedCarryingAmountAssets

rdn:RadianGuaranty, rdn:EagleRe20181Primary, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


V
Period End2020-09-302020-06-302020-03-312019-12-31
Value275275298357
Percentage of VIENonconsolidatedCarryingAmountAssets100.0100.0100.0100.0

rdn:RadianGuaranty, rdn:EagleRe20191Primary, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


V
Period End2020-09-302020-06-302020-03-312019-12-31
Value384384421508
Percentage of VIENonconsolidatedCarryingAmountAssets139.5139.5141.0142.4

rdn:RadianGuaranty, rdn:EagleRe20201Primary, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


V
Period End2020-09-302020-06-302020-03-312019-12-31
Value4884884880.0
Percentage of VIENonconsolidatedCarryingAmountAssets177.1177.1163.40.0

rdn:VIENonconsolidatedCarryingAmountAssets dei:LegalEntity, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments

rdn:RadianGuaranty, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


V
Period End2020-09-302020-06-302020-03-312019-12-31
Value114811481208865
Percentage of VIENonconsolidatedCarryingAmountAssets416.6416.6404.5242.4

rdn:VIENonconsolidatedCarryingAmountLiabilities dei:LegalEntity, rdn:ExcessofLossProgram, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments

rdn:VIENonconsolidatedCarryingAmountLiabilities

rdn:RadianGuaranty, rdn:EagleRe20181Primary, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


V
Period End2020-09-302020-06-302020-03-312019-12-31
Value275275298357
Percentage of VIENonconsolidatedCarryingAmountLiabilities100.0100.0100.0100.0

rdn:RadianGuaranty, rdn:EagleRe20191Primary, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


V
Period End2020-09-302020-06-302020-03-312019-12-31
Value384384421508
Percentage of VIENonconsolidatedCarryingAmountLiabilities139.5139.5141.0142.4

rdn:RadianGuaranty, rdn:EagleRe20201Primary, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


V
Period End2020-09-302020-06-302020-03-312019-12-31
Value4884884880.0
Percentage of VIENonconsolidatedCarryingAmountLiabilities177.1177.1163.40.0

rdn:VIENonconsolidatedCarryingAmountLiabilities dei:LegalEntity, us-gaap:CededCreditRisk, us-gaap:StatementBusinessSegments

rdn:RadianGuaranty, rdn:ExcessofLossProgram, rdn:MortgageInsuranceSegment


V
Period End2020-09-302020-06-302020-03-312019-12-31
Value114811481208865
Percentage of VIENonconsolidatedCarryingAmountLiabilities416.6416.6404.5242.4

us-gaap:AccountsAndNotesReceivableNet

us-gaap:AccountsAndNotesReceivableNet


Accounts
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302016-12-31
Value145110123931441228978108948072977877
Percentage of AccountsAndNotesReceivableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableNet

us-gaap:AccountsReceivableNet


Accounts
Period End2021-06-302021-03-312020-12-312019-12-312018-12-312017-12-312017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value153134121937872737794776661657264859379757585858487899196102105109115116
Percentage of AccountsReceivableNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccountsReceivableNet us-gaap:ConsolidatedEntities

srt:ParentCompany


Accounts
Period End2020-12-312019-12-312018-12-31
Value300100101
Percentage of AccountsReceivableNet247.9107.6128.5

us-gaap:AccountsReceivableNet us-gaap:StatementBusinessSegments

rdn:HomegeniusSegment


Accounts
Period End2021-06-302020-12-31
Value1718
Percentage of AccountsReceivableNet11.115.5

rdn:RealEstateSegment


Accounts
Period End2021-03-312020-12-312020-09-302020-06-302019-12-31
Value1518281710
Percentage of AccountsReceivableNet11.315.50.00.011.5

us-gaap:AccruedInvestmentIncomeReceivable

us-gaap:AccruedInvestmentIncomeReceivable


Accrued
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-31
Value3436343232333233343433333131293029272827252224182026272730283332343031343238394540
Percentage of AccruedInvestmentIncomeReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdvancesFromFederalHomeLoanBanks

us-gaap:AdvancesFromFederalHomeLoanBanks


Advances
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value1531381761411751731341041061088271115250.0
Percentage of AdvancesFromFederalHomeLoanBanks100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:AdvancesFromFederalHomeLoanBanks us-gaap:FairValueByMeasurementBasis

us-gaap:CarryingReportedAmountFairValueDisclosure


Advances
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value15313817614117517313410410682
Percentage of AdvancesFromFederalHomeLoanBanks100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdvancesFromFederalHomeLoanBanks us-gaap:LongtermDebtType

us-gaap:FederalHomeLoanBankAdvances


Advances
Period End2020-12-312019-12-312018-12-31
Value17613482
Percentage of AdvancesFromFederalHomeLoanBanks100.0100.0100.0

us-gaap:FederalHomeLoanBankCertificatesAndObligationsFHLB


Advances
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value15313817614117517313410410682
Percentage of AdvancesFromFederalHomeLoanBanks100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries us-gaap:SubsegmentsConsolidationItems

us-gaap:AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries

us-gaap:ReportableSubsegments


Amount
Period End2021-06-302021-03-312020-09-30
Value460042004000
Percentage of AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries100.0100.0100.0

us-gaap:AociBeforeTaxAttributableToParent us-gaap:OtherComprehensiveIncomeLocation

us-gaap:AociBeforeTaxAttributableToParent

us-gaap:OtherComprehensiveIncome


Aoci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value2261473332932683713915911122-77.114-74.987-73.345-39.842323727-5.168-19.0631009535-28.425-11.413-17.7449179
Percentage of AociBeforeTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AociTaxAttributableToParent us-gaap:OtherComprehensiveIncomeLocation

us-gaap:AociTaxAttributableToParent

us-gaap:OtherComprehensiveIncome


Aoci
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value47317061567.9212933234.65-16.194-15.747-15.402-8.3679.584139.761-1.805-6.668353312-9.948-3.994-6.213227
Percentage of AociTaxAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:AssetsFairValueDisclosure

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value81069357754765270266061260548943153648843451348159565166874085889611881567144713941601188617631749155515381462147987487879812211226105311551554
Percentage of AssetsFairValueDisclosure100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value599861066263608957914949506049834934500547464522442042744158408839873783379138233776357131082804284722132013296629822969323633483710398541274204429241564329460146314890
Percentage of AssetsFairValueDisclosure739.9880.21083.81112.3887.5704.3766.5813.3814.81022.51101.0843.7904.4983.3809.7849.7669.4580.6566.8516.3440.1398.4261.5178.9196.7158.7125.7157.3169.1169.7208.0217.6253.8269.3471.9478.6537.5340.2353.1436.9400.9314.7

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value8.9059.1168.5135.57.60.00.00.00.00.00.00.00.00.00.00.00.01.01.01.01.00.50.50.50.50.00.0195273199199202203207213212217270285283272247
Percentage of AssetsFairValueDisclosure1.11.31.51.01.20.00.00.00.00.00.00.00.00.00.00.00.00.20.10.10.10.10.00.00.00.00.010.415.511.412.813.113.914.024.424.227.322.123.326.923.615.9

us-gaap:AssetsFairValueDisclosure us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueMeasurementsRecurring


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value68176809684966376443565257215596553954955177505949094709467145704583443644614564463544684297437342953607361450485019491849915089537556725215529553085647584159376692
Percentage of AssetsFairValueDisclosure841.0981.51185.31212.3987.5804.3866.5913.3914.81122.51201.0943.71004.41083.3909.7949.7769.4680.7666.9616.5540.2498.5361.5278.9296.8258.7225.7267.6284.6281.1320.8330.7367.7383.3596.3602.8664.7462.3476.4563.8430.6

us-gaap:AssetsHeldByInsuranceRegulators us-gaap:FinancialInstrument, us-gaap:InvestmentType

us-gaap:AssetsHeldByInsuranceRegulators

us-gaap:DebtSecurities, us-gaap:FixedMaturities


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302018-12-31
Value181716171717161617
Percentage of AssetsHeldByInsuranceRegulators100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302010-12-31
Value5349540453935338480445644549436940033875409838383659359434263218312929412856265526142487189315071196677528448328212120972236396472103120123340
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:ConsolidatedEntities

srt:ParentCompany


Available
Period End2020-12-312019-12-312018-12-31
Value836429320
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis15.59.57.8

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:FinancialInstrument, us-gaap:InvestmentType

us-gaap:DebtSecurities, us-gaap:FixedMaturities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302018-12-31
Value5349540453935338480445644549436940034106
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.2

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:FinancialInstrument, us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

rdn:MortgageInsuranceLinkedNotes, us-gaap:FixedMaturities


Available
Period End2021-06-30
Value2.649
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0

us-gaap:AssetBackedSecurities, us-gaap:FixedMaturities


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
Value2.192.3342.9014.0511.9621.2512.0182.3942.1661.0210.8140.967
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax82.70.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CollateralizedLoanObligations, us-gaap:FixedMaturities


Available
Period End2021-06-302021-03-312020-12-312019-12-31
Value1.8512.1832.0260.229
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax69.90.00.00.0

us-gaap:CommercialMortgageBackedSecurities, us-gaap:FixedMaturities


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
Value3127393731131421154.8730.5440.363
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax1186.70.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CorporateDebtSecurities, us-gaap:FixedMaturities


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
Value1751452502182017710610881315.0534.262
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax6624.90.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DebtSecurities, us-gaap:FixedMaturities


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
Value25321534731329614114716511746107.455
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax9557.90.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ForeignGovernmentDebtSecurities, us-gaap:FixedMaturities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.2940.2910.3380.1980.2440.00.1330.0930.08
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax11.10.00.00.00.00.00.00.00.0

us-gaap:ResidentialMortgageBackedSecurities, us-gaap:FixedMaturities


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
Value2125343737331415104.2421.7850.004
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax810.80.00.00.00.00.00.00.00.00.00.00.0

us-gaap:USGovernmentAgenciesDebtSecurities, us-gaap:FixedMaturities


Available
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value1.67710102.0485.8391.1510.1850.0460.0
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax0.00.00.00.00.00.00.00.00.0

us-gaap:USGovernmentCorporationsAndAgenciesSecurities, us-gaap:FixedMaturities


Available
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value1.1610.3231.6772.1052.048
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax43.80.00.00.00.0

us-gaap:USStatesAndPoliticalSubdivisions, us-gaap:FixedMaturities


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
Value16111614145.4628.032107.754.4212.1911.859
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax628.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:FinancialInstrument, us-gaap:InvestmentType

us-gaap:AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AssetBackedSecurities, us-gaap:FixedMaturities


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
Value0.2340.4610.4326.3515423.6743.2622.9754.9888.93.235
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CollateralizedLoanObligations, us-gaap:FixedMaturities


Available
Period End2021-06-302021-03-312020-12-312019-12-31
Value0.6070.6082.6413.117
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax259.4131.9611.384.8

us-gaap:CommercialMortgageBackedSecurities, us-gaap:FixedMaturities


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
Value2.3615.333.3014.7918.665110.6250.9120.7321.4597.35811
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax1009.01156.2764.175.455.928.117.028.024.629.382.7355.1

us-gaap:CorporateDebtSecurities, us-gaap:FixedMaturities


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
Value19473.7587.4713.572481.7281.1641.338146354
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax8327.410325.4869.9117.723.0113.847.035.745.0291.0717.81683.9

us-gaap:DebtSecurities, us-gaap:FixedMaturities


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
Value27671420271048.3286.4826.508248882
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax11544.414719.33277.1322.8180.1244.9226.7198.7218.8492.0989.22558.6

us-gaap:ResidentialMortgageBackedSecurities, us-gaap:FixedMaturities


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
Value3.3023.6660.3140.030.0820.8031.5271.0381.4252.754.4868.1
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax1411.1795.272.70.50.51.941.631.847.955.150.4250.4

us-gaap:USGovernmentAgenciesDebtSecurities, us-gaap:FixedMaturities


Available
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value3.6110.00.00.7330.1060.0360.5281.5082.724
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax835.90.00.020.03.21.210.616.984.2

us-gaap:USGovernmentCorporationsAndAgenciesSecurities, us-gaap:FixedMaturities


Available
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value0.9028.6813.6111.6610.733
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax385.51883.1835.926.220.0

us-gaap:USStatesAndPoliticalSubdivisions, us-gaap:FixedMaturities


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
Value0.1221.510.10.1930.0910.3180.0410.00.0020.3011.92.75
Percentage of AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax52.1327.523.13.00.60.71.10.00.16.021.385.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1.5861.9912.0563.595.791144.1453.4694.17718371813116.6070.8140.180.60.8421.1844.3253.0932.2211.9640.8940.2760.154
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.0240.1780.113.3255.399133.0042.2591.7872.030.9830.2330.045
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss1.58.95.492.693.295.772.565.142.811.22.61.30.7

us-gaap:CollateralizedLoanObligations


Available
Period End2021-06-302021-03-312020-12-312019-12-31
Value0.3650.4361.6712.79
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss23.021.981.367.3

us-gaap:CommercialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1.0811.1840.2660.2540.3120.4630.1470.1880.1770.8383.3851.3890.215
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss68.259.512.97.15.43.33.55.44.24.69.17.53.3

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.1060.1810.00.00.00.0190.7521127103.451
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss6.79.10.00.00.00.518.065.373.957.652.2

us-gaap:ResidentialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.010.0120.0090.0110.080.1470.9920.9861.4242.6263.7044.8292.658
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss0.60.60.40.31.41.023.928.434.114.59.926.240.2

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value27671420271048.3286.4826.508248882825716101329382.1325.609143420211.7472.533
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.2340.4610.4326.3515423.6743.2622.9754.9888.93.2350.822
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss0.90.73.131.055.540.844.150.345.720.310.13.95.0

us-gaap:CollateralizedLoanObligations


Available
Period End2021-06-302021-03-312020-12-312019-12-31
Value0.6070.6082.6413.117
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss2.20.918.737.4

us-gaap:CommercialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value2.3615.333.3014.7918.665110.6250.9120.7321.4597.358111.61
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss8.77.923.323.431.011.57.514.111.25.98.413.99.8

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value19473.7587.4713.572481.7281.1641.3381463548.052
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss72.170.126.536.512.846.520.718.020.659.172.665.849.0

us-gaap:ResidentialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value3.3023.6660.3140.030.0820.8031.5271.0381.4252.754.4868.12.862
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss12.25.42.20.10.30.818.316.021.911.25.19.817.4

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value3.6110.7330.1060.0360.5281.5082.7240.367
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss25.58.81.60.62.21.73.32.2

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value0.9028.6813.6111.6610.733
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss3.312.825.58.18.8

us-gaap:USStatesAndPoliticalSubdivisions


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.1221.510.10.1930.0910.3180.0410.0020.3011.92.750.699
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss0.52.20.70.90.30.30.50.01.22.23.34.3

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value148216448381090875164491574366717423158310529642641160110591151135316243424417391516829901112149
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value9410982460534605435413366500592486269
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue6.36.69.942.261.036.847.655.654.928.718.815.716.8

us-gaap:CollateralizedLoanObligations


Available
Period End2021-06-302021-03-312020-12-312019-12-31
Value228194310355
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue15.411.837.138.8

us-gaap:CommercialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1411531261831372081154140180454450142
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue9.69.315.116.815.712.712.75.66.010.314.414.58.9

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value68782217430618176311013518587718091777811
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue46.350.020.928.120.746.412.118.227.850.457.357.250.7

us-gaap:ResidentialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value261239421213422207558128169249121
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue17.614.65.11.21.62.624.110.18.87.45.48.07.6

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value9028771238505133
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue10.83.110.51.92.21.61.62.1

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value5987909928
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue4.05.310.89.13.1

us-gaap:USStatesAndPoliticalSubdivisions


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302017-12-31
Value10379.626278.54193.9594.24817819065
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue0.72.31.12.51.01.20.40.61.02.62.94.1

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value2565121622904.1833.0132.3316.406506469469.827101329370.9481.284113218201.4712.379
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.210.2830.3223.02510290.671.0031.1882.9587.9173.0020.777
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss0.80.42.717.945.732.316.033.351.046.215.64.77.9

us-gaap:CollateralizedLoanObligations


Available
Period End2021-06-302021-03-312020-12-312019-12-31
Value0.2420.1720.970.327
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss1.00.38.07.8

us-gaap:CommercialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1.284.1463.0354.5378.353110.4780.7240.5550.6213.973101.395
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss5.06.325.126.837.812.711.424.023.89.77.815.714.2

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value19473.7587.4713.572481.7281.1450.5862.67636434.601
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss76.272.031.144.216.153.741.338.025.141.871.668.246.8

us-gaap:ResidentialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value3.2923.6540.3050.0190.0020.6560.5350.0520.0010.1240.7823.2710.204
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss12.95.52.50.10.00.712.81.70.01.91.55.12.1

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value3.6110.7310.0890.00.00.7961.9440.129
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss29.817.53.00.00.01.63.01.3

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value0.9028.6813.6111.6610.731
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss3.513.229.89.817.5

us-gaap:USStatesAndPoliticalSubdivisions


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302017-12-31
Value0.1221.510.10.1930.0910.3180.0410.0010.0270.9552.1660.699
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss0.52.30.81.10.40.41.00.00.41.93.47.1

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value1366149867993072914926605163187472201279027362417133810291139130915662412946581462777851102144
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue us-gaap:FinancialInstrument

us-gaap:AssetBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value9310170308405483225257198321503461260
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue6.86.810.433.255.632.434.249.962.542.922.916.619.5

us-gaap:CollateralizedLoanObligations


Available
Period End2021-06-302021-03-312020-12-312019-12-31
Value151101173170
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue11.16.825.525.8

us-gaap:CommercialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value1061111181761302011093233138328423139
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue7.87.417.419.017.913.516.66.410.518.614.915.210.4

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value6848191743061817631101268222012081619672
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue50.154.725.733.024.951.116.824.526.029.554.958.050.2

us-gaap:ResidentialMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value26023942113.77619184300.032609216919
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue19.116.06.21.30.51.327.95.90.08.14.26.11.5

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2020-12-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302017-12-31
Value9026680.00.0273923
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue13.34.013.30.00.01.21.41.7

us-gaap:USGovernmentCorporationsAndAgenciesSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value5987909926
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue4.45.913.310.74.0

us-gaap:USStatesAndPoliticalSubdivisions


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-302019-03-312018-12-312018-09-302017-12-31
Value10379.626278.54193.9593.2496.487417665
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue0.72.51.43.01.21.30.61.00.91.92.84.9

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue

us-gaap:AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-31
Value11614615816014615125422734999495731422822326230114358101146805452509.4424.482
Percentage of AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesConti