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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedLiabilityAssumedReserveForLossesAndLossAdjustmentExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination, recognized liability assumed reserve for losses and loss adjustment expenses</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PayableForSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payable for Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PayableForSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payable for securities.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationAcquisitionRelatedCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisition related costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationAcquisitionRelatedCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Transaction and reorganization expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Less: Reinsurance recoverables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Add: Reinsurance recoverables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reinsurance Recoverable for Unpaid Claims and Claims Adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collateral</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segments [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfVIEAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of VIE Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfVIEAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of VIE Assets [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfVIEAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of VIE Assets [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ShareRepurchaseAuthorizationExpirationMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Repurchase Authorization Expiration Month And Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ShareRepurchaseAuthorizationExpirationMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share repurchase authorization expiration month and year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ShareRepurchaseAuthorizationExpirationMonthAndYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share repurchase authorization, expiration month and year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Incorporation, State or Country Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation, State or Country Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ProceedsFromRepaymentsOfCashCollateralForLoanedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from (Repayments of) Cash Collateral for Loaned Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ProceedsFromRepaymentsOfCashCollateralForLoanedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from (repayments of) cash collateral for loaned securities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ProceedsFromRepaymentsOfCashCollateralForLoanedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds (repayments) related to cash collateral for loaned securities, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Current Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReinsuranceRecoverablesPaidLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reinsurance recoverables, paid losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReinsuranceRecoverablesPaidLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reinsurance Recoverables, Paid Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReinsuranceRecoverablesPaidLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reinsurance Recoverables, Paid Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Due in one year or less</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockAcquiredAverageCostPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock repurchased during period, average price per share (in usd per share)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockAcquiredAverageCostPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Acquired, Average Cost Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value, 12 months or greater</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Current Reporting Status</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Current Reporting Status</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SeniorNotesDue2029Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Senior Notes due 2029</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SeniorNotesDue2029Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Senior Notes Due 2029 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SeniorNotesDue2029Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Senior Notes Due 2029</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USGovernmentAgenciesDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">U.S. government and agency securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USGovernmentAgenciesDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">US Government Agencies Debt Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredPolicyAcquisitionCostAmortizationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Policy Acquisition Costs, Amortization Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredPolicyAcquisitionCostAmortizationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Amortization of deferred policy acquisition costs and VOBA</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredPolicyAcquisitionCostAmortizationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of deferred policy acquisition costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredAccruedInvestmentIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued investment income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredAccruedInvestmentIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired Accrued Investment Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredAccruedInvestmentIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination, recognized asset acquired accrued investment income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expenses [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other operating expenses:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level&#160;II</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 2 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and Contingencies</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ExcessofLossProgramAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Excess-of-Loss Program [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ExcessofLossProgramAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Excess-of-Loss Program [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Four</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2030</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total incurred</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationRestructuringAndOtherExitCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restructuring and other exit costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationRestructuringAndOtherExitCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation, Restructuring and Other Exit Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationRestructuringAndOtherExitCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group including discontinued operation, restructuring and other exit costs.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Product and Service [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Product and Service [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value by Liability Class [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Fiscal Period Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Period Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ExcessOfLossProgramDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Excess-of-Loss Program [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ExcessOfLossProgramDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Excess-of-Loss Program [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ExcessOfLossProgramDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Excess-of-Loss Program [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ExcessOfLossProgramDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Excess-of-Loss Program [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Interest Rate, Stated Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Shell Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Shell Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfCollateralizedReinsuranceAgreementsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Excess-of-Loss Program</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfCollateralizedReinsuranceAgreementsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Collateralized Reinsurance Agreements [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfCollateralizedReinsuranceAgreementsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of Collateralized Reinsurance Agreements [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationOtherIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other income (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationOtherIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Other Income (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationOtherIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group including discontinued operation other income (loss).</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationOtherIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other income (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Short-term investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Investments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfGainLossOnInvestmentsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Gain (Loss) on Securities [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfGainLossOnInvestmentsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Gain (Loss) on Securities [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Reporting</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SecuritizedNonrecourseDebtAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Securitized nonrecourse debt at fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SecuritizedNonrecourseDebtAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securitized nonrecourse debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SecuritizedNonrecourseDebtAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securitized nonrecourse debt-at fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Cash and Cash Equivalent, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentDiscontinuedOperationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operations [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentDiscontinuedOperationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Discontinued Operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, shares, issued (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLossWriteoff_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Impairment losses due to intent to sell</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleAllowanceForCreditLossWriteoff_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Allowance for Credit Loss, Writeoff</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationByAssetClassDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Class [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Paid, Discontinued Operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest paid, discontinued operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statement [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NumberOfQuotaShareReinsuranceArrangements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Quota Share Reinsurance Arrangements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NumberOfQuotaShareReinsuranceArrangements_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of quota share reinsurance arrangements.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NumberOfQuotaShareReinsuranceArrangements_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of quota share reinsurance arrangements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease right-of-use assets obtained in exchange for operating lease liabilities, continuing operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Right-of-Use Asset Obtained in Exchange for Operating Lease Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Long-TermSeniorNotesCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-term Senior Notes Carrying Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Long-TermSeniorNotesCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Long-term senior notes carrying amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ExpenseRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Expense Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ExpenseRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Expense ratio.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InsuranceLossReservesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Insurance Loss Reserves [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InsuranceLossReservesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Insurance Loss Reserves [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MaximumAnnualProfitCommissionPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum annual profit commission percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MaximumAnnualProfitCommissionPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum Annual Profit Commission Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MaximumAnnualProfitCommissionPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Maximum annual profit commission percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationProFormaStatementOfOperationsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Pro forma statement of operations [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationProFormaStatementOfOperationsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination, pro forma statement of operations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationProFormaStatementOfOperationsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Pro forma statement of operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ProceedsFromTheRedemptionOfInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from redemptions of:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ProceedsFromTheRedemptionOfInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From The Redemption Of Investments [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ProceedsFromTheRedemptionOfInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds From The Redemption Of Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Businesses, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payments to acquire businesses gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MinimumPolicyholdersSurplusBalanceToBeMaintained_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum Policyholders Surplus Balance to be Maintained</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MinimumPolicyholdersSurplusBalanceToBeMaintained_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Minimum policyholders surplus balance to be maintained.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MinimumPolicyholdersSurplusBalanceToBeMaintained_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum policyholders surplus balance to be maintained</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statement [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Repurchases of common stock under incentive plans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock, Value, Acquired, Cost Method</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAcquireeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ResidentialMortgageLoansHeldForSaleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Residential mortgage loans held for sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ResidentialMortgageLoansHeldForSaleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Residential mortgage loans held for sale.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ResidentialMortgageLoansHeldForSaleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Residential Mortgage Loans, Held-for-Sale [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Filer Category</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Filer Category</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValueOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Value, Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValueOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValueOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock ($0.001 par value; 485,000 shares authorized; 2026: 156,308 and 134,845 shares issued and outstanding, respectively; 2025: 156,913 and 135,498 shares issued and outstanding, respectively)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Indefinite-Lived</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Identifiable intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIndefiniteLivedIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total identifiable intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SpecialtyInsuranceSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Specialty Insurance Segment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SpecialtyInsuranceSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Specialty insurance segment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SpecialtyInsuranceSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Specialty</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities and stockholders&#8217; equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities and Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredValueOfBusinessAcquiredIdentifiableIntangibleAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Value of Business Acquired Identifiable Intangible Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredValueOfBusinessAcquiredIdentifiableIntangibleAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination, recognized asset acquired, value of business acquired identifiable intangible asset.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredValueOfBusinessAcquiredIdentifiableIntangibleAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net VOBA identified intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SeniorNotesDue2027Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Senior Notes Due 2027 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SeniorNotesDue2027Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Senior Notes due 2027</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SeniorNotesDue2027Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Senior Notes Due 2027 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResidentialMortgageBackedSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">RMBS</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResidentialMortgageBackedSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Residential Mortgage-Backed Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ResidentialMortgageBackedSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Residential Mortgage Loans Held for Sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2022QSRAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2022 QSR Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2022QSRAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">2022 QSR Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2022QSRAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">2022 QSR Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_FixedMaturitiesAFSAndTradingSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fixed maturities AFS and trading securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_FixedMaturitiesAFSAndTradingSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fixed Maturities AFS and Trading Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_FixedMaturitiesAFSAndTradingSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fixed Maturities AFS and Trading Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationShortTermInvestmentsAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Short Term Investments At Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationShortTermInvestmentsAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group including discontinued operation short term Investments at fair value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationShortTermInvestmentsAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term investments-at fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Liabilities Not Carried at Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, by Balance Sheet Grouping [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationNetAssetsAndLiabilitiesHeldForSale_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Net Assets And Liabilities Held For Sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationNetAssetsAndLiabilitiesHeldForSale_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group including discontinued operation net assets and liabilities held for sale.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationNetAssetsAndLiabilitiesHeldForSale_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net assets and liabilities held for sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Voting Equity Interest Acquired, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interests acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationIdentifiableIntangibleAssetsBrokerRelationshipsLargeCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Identifiable Intangible Assets Broker Relationships Large Customers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationIdentifiableIntangibleAssetsBrokerRelationshipsLargeCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination identifiable Intangible assets broker relationships large customers.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationIdentifiableIntangibleAssetsBrokerRelationshipsLargeCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Broker relationships - large brokers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NonAssetBackedSecurityInvestmentsContractualMaturitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non asset-backed securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NonAssetBackedSecurityInvestmentsContractualMaturitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Asset Backed Security Investments, Contractual Maturities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NonAssetBackedSecurityInvestmentsContractualMaturitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non Asset Backed Security Investments, Contractual Maturities is used to capture all fixed maturity investments excluding Asset Backed Securities (which have no single maturity dates) in the schedule of contractual maturities of fixed maturity investments. (excludes RMBS, CMBS and other ABS)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from issuance of debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Borrowed debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAggregatedInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAggregatedInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Security Investments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Liability for Claims and Claims Adjustment Expense Reserve</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reserve for losses and LAE</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Other Liabilities, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NumberOfOutstandingShareRepurchaseAuthorizations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Outstanding Share Repurchase Authorizations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NumberOfOutstandingShareRepurchaseAuthorizations_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of outstanding share repurchase authorizations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NumberOfOutstandingShareRepurchaseAuthorizations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of outstanding share repurchase authorizations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Short-TermFHLBAdvancesCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-term FHLB Advances Carrying Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Short-TermFHLBAdvancesCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short-term fhlb advances carrying amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseForeignCurrencyTranslationGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liability for Unpaid Claims and Claims Adjustment Expense, Foreign Currency Translation Gain (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseForeignCurrencyTranslationGainLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Add: Net foreign exchange (gains) / losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentBeforeTaxPeriodIncreaseDecreaseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentBeforeTaxPeriodIncreaseDecreaseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less: Reclassification adjustment for net gains (losses) on investments included in net income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PledgedStatusAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pledged Status [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PledgedStatusAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pledged Status [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsuranceDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reinsurance Disclosures [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsuranceDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reinsurance Disclosures [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Goodwill, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Goodwill, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Goodwill, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsuranceRetentionAmountRetainedPerLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First layer retention</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsuranceRetentionAmountRetainedPerLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reinsurance, Amount Retained, Per Life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationNetPremiumsEarned_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Net Premiums Earned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationNetPremiumsEarned_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group including discontinued operation net premiums earned.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationNetPremiumsEarned_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net premiums earned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfOrdinaryDividends_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payments of ordinary dividends</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfOrdinaryDividends_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments of Ordinary Dividends</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock, Common, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Treasury stock, at cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonValue_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Treasury stock, at cost (2026: 21,463 shares; 2025: 21,415 shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_TotalDebtSecuritiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Debt Securities [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_TotalDebtSecuritiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Total Debt Securities [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_TotalDebtSecuritiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Total Debt Securities [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Increase (Decrease), Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityIncreaseDecreaseForPeriodNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Line of Credit Facility, Increase (Decrease), Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RiskInForceCededAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Direct primary mortgage insurance risk in force</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RiskInForceCededAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Risk In Force, Ceded Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RiskInForceCededAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Risk In Force, Ceded Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetBackedSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other ABS</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetBackedSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset-Backed Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetBackedSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2026QSRAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">A2026 QSR Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2026QSRAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">2026 QSR agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2026QSRAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2026 QSR Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Due after 10 years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Reconciliation of Adjusted Pretax Operating Income to Pretax Income from Continuing Operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesFinancingTransactionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities Financing Transaction [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesFinancingTransactionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Financing Transaction [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_XOLFirstLayerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">First layer retention</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_XOLFirstLayerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">XOL First Layer [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_XOLFirstLayerMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">XOL First Layer [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Significant Accounting Policies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Significant Accounting Policies [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_IncomeTaxesDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Taxes Disclosure [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_IncomeTaxesDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income taxes disclosure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ShareRepurchaseProgramAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share Repurchase Program [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ShareRepurchaseProgramAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Repurchase Program [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForFuturePolicyBenefitsAndUnpaidClaimsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Losses and LAE</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForFuturePolicyBenefitsAndUnpaidClaimsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liability for Future Policy Benefits and Unpaid Claims Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReinsuranceRetentionPolicyReinsuredRiskAggregatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Aggregate percentage of reinsurance recoverables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReinsuranceRetentionPolicyReinsuredRiskAggregatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reinsurance Retention Policy Reinsured Risk Aggregate Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReinsuranceRetentionPolicyReinsuredRiskAggregatePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reinsurance retention policy reinsured risk aggregate percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_LineOfCreditFacilityAccordionFeatureHigherBorrowingCapacityOption_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Line of Credit Facility, Accordion Feature, Higher Borrowing Capacity Option</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_LineOfCreditFacilityAccordionFeatureHigherBorrowingCapacityOption_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Accordion Feature, Higher Borrowing Capacity Option</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_LineOfCreditFacilityAccordionFeatureHigherBorrowingCapacityOption_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Line of credit facility, higher borrowing capacity option</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ILNInvestorsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ILN Investors [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ILNInvestorsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">ILN Investors [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ILNInvestorsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">ILN Investors</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Net Income Per Share, Basic and Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsuranceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reinsurance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsuranceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reinsurance [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Equity securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AOCIAttributableToParentNetOfTaxRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net of Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AOCIAttributableToParentNetOfTaxRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">AOCI Attributable to Parent, Net of Tax [Roll Forward]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTaxAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment, after Tax [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTaxAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other comprehensive income (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityIssuedInBusinessCombinationFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Issued in Business Combination, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityIssuedInBusinessCombinationFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of equity awards issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeniorNotes_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Senior notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeniorNotes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Senior notes (Note 12)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeniorNotes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Senior Notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeniorNotes_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Senior Notes, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ShareBasedPaymentArrangementNetOfSharesWithheldForTaxWithholdingObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Net of Shares Withheld for Tax Withholding Obligation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ShareBasedPaymentArrangementNetOfSharesWithheldForTaxWithholdingObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share-Based Payment Arrangement, Net of Shares Withheld for Tax Withholding Obligation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ShareBasedPaymentArrangementNetOfSharesWithheldForTaxWithholdingObligation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of common stock under incentive and benefit plans, net of shares withheld for employee taxes (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ILNInvestorsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ILN Investors [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ILNInvestorsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">ILN Investors [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ILNInvestorsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">ILN Investors</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockCompensationPlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock Compensation Plan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockCompensationPlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Contractual Maturities of Fixed-Maturities Available for Sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsClassifiedByContractualMaturityDateTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments Classified by Contractual Maturity Date [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Basic net income per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Basic net income per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredPremiumsAndOtherReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired Premiums and Other Receivables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredPremiumsAndOtherReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination, recognized asset acquired premiums and other receivables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredPremiumsAndOtherReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Premiums and other receivables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedInvestmentGainsLossesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Realized Investment Gains (Losses) [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedInvestmentGainsLossesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net realized gains (losses) on investments sold or redeemed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deduct: Net paid losses and LAE relating to losses occurring in:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtFairValueAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Servicing Asset at Fair Value, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ServicingAssetAtFairValueAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mortgage servicing and other related rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revolving Credit Facility</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revolving Credit Facility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinitelivedIntangibleAssetsAcquired1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Identified finite lived intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinitelivedIntangibleAssetsAcquired1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets Acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OrganizationConsolidationandPresentationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Organization, Consolidation and Presentation [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OrganizationConsolidationandPresentationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization, Consolidation and Presentation [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OrganizationConsolidationandPresentationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Organization, Consolidation and Presentation Table</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfEquitySecuritiesFvNi_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfEquitySecuritiesFvNi_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Sale of Equity Securities, FV-NI</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsAssetsAndLiabilitiesHeldForSaleTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Disposal Groups Including Discontinued Operations Assets And Liabilities Held For Sale [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsAssetsAndLiabilitiesHeldForSaleTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule Of Disposal Groups Including discontinued operations assets and liabilities held for sale.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsAssetsAndLiabilitiesHeldForSaleTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Assets and Liabilities Held for Sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accounts Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccountsReceivable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Accounts and notes receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustments to reconcile net income to net cash provided by (used in) operating activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredLiabilityReserves_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Value of Business Acquired Liability Reserves</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredLiabilityReserves_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination value of business acquired liability reserves</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredLiabilityReserves_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">VOBA liability - reserves</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredLiabilityReserves_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">VOBA liability - reserves, gross carrying amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseBusinessAcquisitions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liability for Unpaid Claims and Claims Adjustment Expense, Business Combination</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseBusinessAcquisitions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Add: Acquisition-date fair value adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BrokerRelationshipsOtherBrokersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Broker Relationships Other Brokers [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BrokerRelationshipsOtherBrokersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Broker Relationships Other Brokers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BrokerRelationshipsOtherBrokersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Broker Relationships Other Brokers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_CedingCommissions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ceding Commissions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_CedingCommissions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ceding commissions.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_CedingCommissions_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Ceding Commissions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesFinancingTransactionCostMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loaned securities, amortized cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesFinancingTransactionCostMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Financing Transaction, Cost [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PledgingPurposeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pledging Purpose [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ShareRepurchaseProgramDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share Repurchase Program [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ShareRepurchaseProgramDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Repurchase Program [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationIdentifiableIntangibleAssetsBrand_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Brand</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationIdentifiableIntangibleAssetsBrand_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Identifiable Intangible Assets Brand</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationIdentifiableIntangibleAssetsBrand_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination identifiable intangible assets brand.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesFairValueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesFairValueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Liability Assumed, Other Liability, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsuranceRecoverables_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Reinsurance Recoverables, Including Reinsurance Premium Paid, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsuranceRecoverables_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Reinsurance recoverables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsuranceRecoverables_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reinsurance recoverables (includes $26,760 and $1,788 for paid losses)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsuranceRecoverables_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reinsurance recoveries</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_TermOfAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Term of Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_TermOfAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Term of agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_TermOfAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Term of agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredIdentifiableIntangibleAssetFinite-LivedGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredIdentifiableIntangibleAssetFinite-LivedGross_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination, recognized asset acquired, identifiable intangible asset, finite-lived gross.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProductConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Product Concentration Risk</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_IncomeTaxesDisclosureTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income taxes disclosure.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash provided by (used in) financing activities, continuing operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Financing Activity, Continuing Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided by (used in) financing activities, continuing operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Small Business</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_CommonStockOutstandingRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common Stock Outstanding</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_UnrealizedGainsLossesOnInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unrealized Gains (Losses) on Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_UnrealizedGainsLossesOnInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net unrealized gains (losses) on investments still held</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ExcessofLossProgramMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Excess-of-Loss Program [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term borrowings</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_FirstLienPrimaryMortgageInsuranceRiskInForceCeded_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">First Lien Primary Mortgage Insurance Risk in Force Ceded</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net Retained Interest</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireEquitySecuritiesFvNi_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Equity securities</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SeniorNotesDue2025Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Senior Notes Due 2025</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Closing price</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockPricePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Radian Group Inc. closing stock price per share on Closing Date</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CombinedRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Combined Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CombinedRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Combined Ratio</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceAdjustmentToSharesWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share-based Compensation Arrangement By Share-based Payment Award, Performance Adjustment To Shares, Weighted Average Grant Date Fair Value</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SeniorNotesDue2024Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Senior Notes Due 2024 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SpecialtySegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Specialty Segment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SpecialtySegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Specialty Segment.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PolicyholderBenefitsAndClaimsIncurredNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total provision for losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PolicyholderBenefitsAndClaimsIncurredNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Policyholder Benefits and Claims Incurred, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PolicyholderBenefitsAndClaimsIncurredNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Provision for losses (Note 11)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PolicyholderBenefitsAndClaimsIncurredNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Provision for losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReinsurancePercentageOfPoliciesCededToReinsurer_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of policies ceded to reinsurer (in percent)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReinsurancePercentageOfPoliciesCededToReinsurer_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reinsurance, Percentage Of Policies Ceded to Reinsurer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReinsurancePercentageOfPoliciesCededToReinsurer_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reinsurance, Percentage Of Policies Ceded to Reinsurer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Securities, Available-for-sale [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl" xlink:role="http://fasb.org/us-gaap/role/label/axisDefault">Portion at Fair Value Measurement [Member] [Default]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Portion at Fair Value Measurement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Portion at Fair Value Measurement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Address Line One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ParticipatingPoliciesAmountInForce_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Direct primary mortgage insurance in force</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ParticipatingPoliciesAmountInForce_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Participating Insurance, Amount in Force</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateImmaterialEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in Accounting Principle, Accounting Standards Update, Immaterial Effect [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainBeforeTaxIncludingLoanedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross Unrealized Gains</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainBeforeTaxIncludingLoanedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, Before Tax, Including Loaned Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainBeforeTaxIncludingLoanedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, Before Tax, Including Loaned Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Hierarchy and NAV [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Earnings Per Share [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net income per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplemental Cash Flow Information [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplemental disclosures of cash flow information</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Currency Transactions and Translations Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign Currency</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Schedule of Other Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Liabilities [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationNetGainsLossesOnInvestmentsAndForeignExchange_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Net Gains (losses) on Investments and Foreign Exchange</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationNetGainsLossesOnInvestmentsAndForeignExchange_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group including discontinued operation net gains (losses) on investments and foreign exchange.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationNetGainsLossesOnInvestmentsAndForeignExchange_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net gains (losses) on financial instruments and foreign exchange</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_TotalOf3Q191Q20And3Q21RepurchaseProgramsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Total of 3Q19, 1Q20, and 3Q21 Repurchase Programs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_TotalOf3Q191Q20And3Q21RepurchaseProgramsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">1Q23 Repurchase Program</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_TotalOf3Q191Q20And3Q21RepurchaseProgramsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">1Q23 Repurchase Program [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EdwardJHoffmanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Edward J Hoffman [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EdwardJHoffmanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Edward J Hoffman</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EdwardJHoffmanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Edward J. Hoffman</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Fair value, total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPosition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Unrealized Loss Position</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Debt Securities, Available-for-Sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireAvailableForSaleSecuritiesDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Available for sale securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net unrealized gains (losses) on investments, net of tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net unrealized gains (losses) on investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total revenues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredIdentifiableGoodwillAndOtherIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Asset Acquired Identifiable Goodwill And Other Intangible Assets Accumulated Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredIdentifiableGoodwillAndOtherIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized asset acquired identifiable goodwill and other intangible assets accumulated amortization.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredIdentifiableGoodwillAndOtherIntangibleAssetsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill and other acquired intangible assets, accumulated amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageLoanRelatedToPropertySales1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Loan Related to Property Sales</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageLoanRelatedToPropertySales1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Retention of mortgage servicing and other related rights from residential mortgage loan sales, discontinued operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Central Index Key</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Central Index Key</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesAdjustmentNetOfTaxPeriodIncreaseDecreaseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less: Reclassification adjustment for net gains (losses) on investments included in net income:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Available for Sale Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets held for sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeInvestmentExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Investment expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeInvestmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Income, Investment Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeInvestmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment expenses and charges</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeInvestmentExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Investment expenses and charges</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (decrease) in cash and restricted cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsNetIncludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Assets, Net (Including Goodwill)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsNetIncludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill and other acquired intangible assets (Note 3)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsNetIncludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Goodwill and other acquired intangible assets, net carrying amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_FederalHomeLoanBankRatioOfMarketValueOfCollateralToAdvances_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank, Ratio Of Market Value Of Collateral To Advances</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_FederalHomeLoanBankRatioOfMarketValueOfCollateralToAdvances_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">FHLB, ratio of market value of collateral to advances</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_FederalHomeLoanBankRatioOfMarketValueOfCollateralToAdvances_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The ratio of the market value of the collateralized eligible assets to the principal balance of the FHLB advances</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares of common stock equivalents (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RadianTitleInsuranceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Radian Title Insurance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RadianTitleInsuranceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Radian Title Insurance [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RadianTitleInsuranceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Radian Title Insurance [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Finite-LivedIntangibleAssetsAcquiredPresentValueOfExpectedUnderwritingProfit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets Acquired present value of expected underwriting profit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Finite-LivedIntangibleAssetsAcquiredPresentValueOfExpectedUnderwritingProfit_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Finite-lived intangible assets acquired present value of expected underwriting profit.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Finite-LivedIntangibleAssetsAcquiredPresentValueOfExpectedUnderwritingProfit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finite lived intangibelase resent value of the expected underwriting profit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupClassificationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Disposal Group Classification [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupClassificationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Classification [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, par value (in usd per share)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Par or Stated Value Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DirectPremiumsEarned_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Direct premiums earned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DirectPremiumsEarned_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Direct Premiums Earned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_IncreaseDecreaseInGoodwillAndIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Increase (Decrease) In Goodwill And Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_IncreaseDecreaseInGoodwillAndIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) In Goodwill And Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_IncreaseDecreaseInGoodwillAndIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Amortization and impairment of goodwill and other acquired intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_IncreaseDecreaseInGoodwillAndIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Amortization and impairment of other acquired intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Amortized Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fixed-maturities available for sale, amortized cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total fixed-maturities available for sale, Amortized Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherAdjustmentsToOtherComprehensiveIncomeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other adjustments to comprehensive income (loss), net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherAdjustmentsToOtherComprehensiveIncomeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Adjustments to Other Comprehensive Income, Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherAdjustmentsToOtherComprehensiveIncomeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other Adjustments to Other Comprehensive Income, Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Debt Securities, Available-for-Sale, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Available for sale--at fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Total fixed-maturities available for sale, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fixed-maturities Available for sale-at fair value (amortized cost of $6,610,659 and $4,550,954)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfAcquisitionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisition costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfAcquisitionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization of Acquisition Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedInvestmentGainsLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Realized Investment Gains (Losses)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedInvestmentGainsLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total realized gains (losses) on residential mortgage loans held for sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RealizedInvestmentGainsLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net realized gains (losses) on financial instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_FederalHomeLoanBankAdvancesDue2027Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank Advances Due 2027 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_FederalHomeLoanBankAdvancesDue2027Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Federal Home Loan Bank Advances Due 2027.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_FederalHomeLoanBankAdvancesDue2027Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">FHLB advances due 2027</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchases/ Additions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationCostOfServices_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Cost Of Services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationCostOfServices_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group including discontinued operation cost of services.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationCostOfServices_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cost of services</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_TaxAndLicenseFeesPayable1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tax and License Fees Payable1</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_TaxAndLicenseFeesPayable1_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tax and License Fees Payable1</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_TaxAndLicenseFeesPayable1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax and license fees payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EstimateOfFairValueFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Estimated Fair&#160;Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EstimateOfFairValueFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Estimate of Fair Value Measurement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationRevenuesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Revenues [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationRevenuesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group, including discontinued operation, revenues.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationRevenuesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFloatingRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">FHLB, floating SOFR advances</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFloatingRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank, Advances, Maturities Summary, Floating Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesMaturitiesSummaryByInterestRateTypeFloatingRate_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Federal Home Loan Bank, Advances, Maturities Summary, Floating Rate, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current Fiscal Year End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Fiscal Year End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationLiabilityForClaimsAndClaimsAdjustmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Liability for Claims and Claims Adjustment Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationLiabilityForClaimsAndClaimsAdjustmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reserve for losses and LAE</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Schedule of Long-Term Debt Instruments [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Senior Notes [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Long-Term Debt Instruments [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentQuarterlyReport_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Quarterly Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentQuarterlyReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Quarterly Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Other Asset, Noncurrent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssumedPremiumsEarned_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assumed premiums earned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssumedPremiumsEarned_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assumed Premiums Earned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CededPremiumsEarned_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Ceded premiums earned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CededPremiumsEarned_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ceded Premiums Earned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCostAndExpenseOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other operating expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCostAndExpenseOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Cost and Expense, Operating</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCostAndExpenseOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total other operating expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherCostAndExpenseOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Corporate other operating expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, by Balance Sheet Grouping [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, by Balance Sheet Grouping [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, State or Province</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, State or Province</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_LetterOfCreditFeesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Letter Of Credit Fees [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_LetterOfCreditFeesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Letter Of Credit Fees.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_LetterOfCreditFeesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Letter of credit fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Outstanding, Beginning Balance (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Outstanding, Ending Balance (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Value Of Business Acquired, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination value of business acquired, net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total VOBA, net carrying amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total VOBA, net carrying amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_GoldmanSachsMasterRepurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goldman Sachs Master Repurchase Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_GoldmanSachsMasterRepurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goldman Sachs Master Repurchase Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_GoldmanSachsMasterRepurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Goldman Sachs Master Repurchase Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_IncomeTaxesPaidNetFromContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Taxes Paid Net From Continuing Operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_IncomeTaxesPaidNetFromContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income taxes paid, net from continuing operations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_IncomeTaxesPaidNetFromContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income taxes paid (refunded), continuing operations (Note 10)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2025XOLAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">A 2025 XOL Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2025XOLAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">2025 XOL Agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2025XOLAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2025 XOL Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialLiabilitiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Liabilities Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialLiabilitiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities at fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Comprehensive income (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income (Loss), Net of Tax, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RiskToCapitalRatioRegulatoryMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Risk To Capital Ratio, Regulatory Maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RiskToCapitalRatioRegulatoryMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">This concept represents the maximum ratio of net risk in force (net of risk ceded through reinsurance contracts and risk in force on defaulted loans) to statutory capital (defined as the sum of statutory policyholders' surplus plus statutory contingency reserves) allowed in those states which have statutory risk-based capital requirements.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RiskToCapitalRatioRegulatoryMaximum_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Risk to capital ratio maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Residential Mortgage Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Discontinued Operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Dilutive effect of share-based compensation arrangements (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfInvestmentMaturitiesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Investment Maturities [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfInvestmentMaturitiesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Investment Maturities [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfInvestmentMaturitiesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of Investment Maturities [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherPurchaseAccountingAdjustmentsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Purchase Accounting Adjustments Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherPurchaseAccountingAdjustmentsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other purchase accounting adjustments net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherPurchaseAccountingAdjustmentsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other purchase accounting adjustments, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operations, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Discontinued Operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduledTerminationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Scheduled termination date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduledTerminationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Scheduled Termination Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduledTerminationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Scheduled termination date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_GainLossOnFinancialInstrumentsAndForeignExchange_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) On Financial Instruments and Foreign Exchange</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_GainLossOnFinancialInstrumentsAndForeignExchange_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Gain (Loss) On Financial Instruments and Foreign Exchange.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_GainLossOnFinancialInstrumentsAndForeignExchange_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net gains (losses) on financial instruments and foreign exchange</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RadianGroupInc.Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Radian Group Inc.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RadianGroupInc.Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Radian Group Inc. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RadianGroupInc.Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Radian Group Inc. [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Liability for Unpaid Claims and Claims Adjustment Expense [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Reserve for Losses and LAE Rollforward</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other comprehensive income (loss), net of tax (Note 15)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecreaseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Net of Tax [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations, Per Basic Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income from continuing operations, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Total Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group including discontinued operation total expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsequent Event</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesFinancingTransactionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities Financing Transaction [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesFinancingTransactionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Security Financing Transaction [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ValueOfBusinessAcquiredLiabilityAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Value of Business Acquired Liability Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ValueOfBusinessAcquiredLiabilityAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Value of business acquired liability amortization.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ValueOfBusinessAcquiredLiabilityAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Value of business acquired liability amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredLiabilityReservesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Value Of Business Acquired Liability Reserves, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredLiabilityReservesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination value of business acquired liability reserves, net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredLiabilityReservesNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">VOBA liability - reserves, net carrying amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredLiabilityReservesNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">VOBA liability - reserves, net carrying amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredLiabilityReservesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">VOBA liability - reserves, net carrying amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Antidilutive Securities [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PercentageOfCedingCommissionForCededPremiumsEarned_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Ceding Commission for Ceded Premiums Earned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PercentageOfCedingCommissionForCededPremiumsEarned_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of ceding commission for ceded premiums earned.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PercentageOfCedingCommissionForCededPremiumsEarned_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of ceding commission for ceded premiums earned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest expense, debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense, Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Sale of Debt Securities, Available-for-Sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Available for sale securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">AOCI Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">AOCI Attributable to Parent [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accumulated Other Comprehensive Income (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_IndefiniteLivedIntangibleAssetsPurchaseAccountingAdjustmentsAndAmortizationOfIntangibles_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchase accounting adjustments and amortization of intangibles</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_IndefiniteLivedIntangibleAssetsPurchaseAccountingAdjustmentsAndAmortizationOfIntangibles_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Indefinite Lived Intangible Assets, Purchase Accounting Adjustments and Amortization of Intangibles</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_IndefiniteLivedIntangibleAssetsPurchaseAccountingAdjustmentsAndAmortizationOfIntangibles_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Indefinite lived intangible assets, purchase accounting adjustments and amortization of intangibles.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Major Class Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Treasury stock (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock, Common, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase (Decrease) in Stockholders' Equity [Roll Forward]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Stockholders' Equity [Roll Forward]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationOtherBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Other Borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationOtherBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal Group Including Discontinued Operation Other Borrowings.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationOtherBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total purchase price paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Business Combination, Consideration Transferred, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationConsiderationTransferred1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total consideration paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Short-Term Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Short-term investments--at fair value (includes reinvested cash collateral held under securities lending agreements)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term investments-at fair value (includes $77,166 and $62,212 of reinvested cash collateral held under securities lending agreements)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finite-lived intangible assets, net carrying amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Finite-lived intangible assets, net carrying amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Add: Net incurred losses and LAE relating to losses occurring in:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other acquired intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Maturity Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentMaturityDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maturity date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of amount outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Fair Value of Amount Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Revolving credit facility, Estimated Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset-backed and mortgage-backed securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Amortized Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Granted (in usd per share)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Value of Business Acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination value of business acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total VOBA, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total VOBA, gross carrying amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Instrument [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instrument [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense, Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AcquisitionRelatedExpensesAndOtherNonOperatingItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquisition Related Expenses And Other Non Operating Items</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AcquisitionRelatedExpensesAndOtherNonOperatingItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Acquisition related expenses and other non operating items.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AcquisitionRelatedExpensesAndOtherNonOperatingItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquisition-related expenses and other non-operating items</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other comprehensive income (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationGiltiAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Income Tax Rate Reconciliation, GILTI, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectiveIncomeTaxRateReconciliationGiltiAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">GILTI/NCTI expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLongTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Long-Term Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLongTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other long-term invested assets-at fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInReinsuranceRecoverable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Reinsurance Recoverable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInReinsuranceRecoverable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Reinsurance recoverable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization of Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AmortizationOfIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization of other acquired intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherNon-PersonnelOperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other non-personnel operating expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherNon-PersonnelOperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Non-personnel Operating Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherNon-PersonnelOperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other non-personnel operating expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level&#160;III</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 3 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PerformanceBasedRSUsEquitySettledMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Performance Based RSUs Equity Settled</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PerformanceBasedRSUsEquitySettledMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Performance Based RSUs Equity Settled [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PerformanceBasedRSUsEquitySettledMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Performance Based RSUs Equity Settled</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PerformanceBasedRSUsEquitySettledMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Performance-Based</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Long-TermFHLBAdvancesEstimatedFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-term FHLB Advances Estimated Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Long-TermFHLBAdvancesEstimatedFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Long-term FHLB advances estimated fair value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Long-TermFHLBAdvancesEstimatedFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term FHLB advances, Fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidReinsurancePremiums_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prepaid reinsurance premiums</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PrepaidReinsurancePremiums_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prepaid Reinsurance Premiums</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net increase attributable to uncertain tax positions assumed from acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits, Increase Resulting from Acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Reporting [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total assets acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total assets acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EquitySecuritiesChangeinUnrealizedHoldingGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EquitySecuritiesChangeinUnrealizedHoldingGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Securities, Change in Unrealized Holding Gain (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EquitySecuritiesChangeinUnrealizedHoldingGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of the change in unrealized holding gain (loss) recognized in the income statement for investments in equity securities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ChangeInUnrealizedGainsLossesOnFinancialInstrumentsSoldOrRedeemed_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change In Unrealized Gains (Losses) On Financial Instruments Sold Or Redeemed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ChangeInUnrealizedGainsLossesOnFinancialInstrumentsSoldOrRedeemed_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Change in unrealized gains (losses) on financial instruments sold or redeemed.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ChangeInUnrealizedGainsLossesOnFinancialInstrumentsSoldOrRedeemed_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in unrealized gains (losses) on investments sold or redeemed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsMiscellaneous_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsMiscellaneous_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets, Miscellaneous</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ValueOfBusinessAcquiredAssetAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Value of Business Acquired Asset Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ValueOfBusinessAcquiredAssetAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Value of business acquired asset amortization.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ValueOfBusinessAcquiredAssetAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Value of business acquired asset amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EagleRe20211PrimaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Eagle Re 2021-1 Ltd.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EagleRe20211PrimaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Eagle Re 2021-1 (Primary) [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EagleRe20211PrimaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Eagle Re 2021-1 (Primary)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AmortizationAndImpairmentOfGoodwillAndOtherAcquiredIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization and impairment of goodwill and other acquired intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AmortizationAndImpairmentOfGoodwillAndOtherAcquiredIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amortization and impairment of goodwill and other acquired intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AmortizationAndImpairmentOfGoodwillAndOtherAcquiredIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortization and impairment of goodwill and other acquired intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfGainLossOnInvestmentsIncludingMarketableSecuritiesAndInvestmentsHeldAtCostIncomeStatementReportedAmountsSummaryLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain (Loss) on Securities [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfGainLossOnInvestmentsIncludingMarketableSecuritiesAndInvestmentsHeldAtCostIncomeStatementReportedAmountsSummaryLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Securities [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net unrealized gains (losses) on investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashAndCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashAndCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Cash and Cash Equivalent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashAndCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Restricted Cash and Cash Equivalent, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities held for sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and contingencies (Note 13)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Commitments and contingencies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForLossesAndLossAdjustmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForLossesAndLossAdjustmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForLossesAndLossAdjustmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net paid losses and LAE related to settlement activity on prior year claims</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">FHLB, weighted average interest rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesWeightedAverageInterestRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank, Advances, Weighted Average Interest Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Outstanding, Beginning Balance (in usd per share)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Outstanding, Ending Balance (in usd per share)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReinsuranceAgreementRightToTerminateOptionCallDatePeriodAfterIssuanceOfInsuranceLinkedNotes_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Right to termination on or after option call date, period after issuance of insurance-linked notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReinsuranceAgreementRightToTerminateOptionCallDatePeriodAfterIssuanceOfInsuranceLinkedNotes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reinsurance Agreement, Right To Terminate, Option Call Date, Period After Issuance Of Insurance-Linked Notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReinsuranceAgreementRightToTerminateOptionCallDatePeriodAfterIssuanceOfInsuranceLinkedNotes_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reinsurance Agreement, Right To Terminate, Option Call Date, Period After Issuance Of Insurance-Linked Notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AOCIAttributableToParentTaxRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax Effect</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AOCIAttributableToParentTaxRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">AOCI Attributable To Parent, Tax [Roll Forward]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AOCIAttributableToParentTaxRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">AOCI Attributable To Parent, Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Lease, Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Operating Lease, Liability, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingLeaseLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Lease liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioForecastMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Forecast</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioForecastMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Forecast [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term borrowings (Note 12)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Short-Term Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">short-term borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationAmortizationAndAccretionNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation, other amortization and other impairments, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationAmortizationAndAccretionNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation, Amortization and Accretion, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepreciationAmortizationAndAccretionNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Depreciation, Amortization and Accretion, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesFvNiCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity securities, cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesFvNiCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Securities, FV-NI, Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatutoryAccountingPracticesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statutory Accounting Practices [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatutoryAccountingPracticesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statutory Accounting Practices [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk Benchmark [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Benchmark [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherSundryLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Sundry Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherSundryLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Sundry Liabilities, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherSundryLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationRestrictedCash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Restricted Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationRestrictedCash_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group including discontinued operation restricted cash.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationRestrictedCash_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Reserve for losses and LAE (Note 11)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total reserve for losses and LAE</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liability for Claims and Claims Adjustment Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Liability for Claims and Claims Adjustment Expense, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance at end of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance at beginning of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesFinancingTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities Financing Transaction [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesFinancingTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Financing Transaction [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesReceivedAsCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities received as collateral</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesReceivedAsCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Received as Collateral</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effect of exchange rate changes on cash and restricted cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income from continuing operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTaxAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment and Tax [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTaxAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other comprehensive income (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedIncomeTaxesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accrued Income Taxes, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccruedIncomeTaxesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Current federal and foreign income taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term Debt, Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingenciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss Contingencies [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingenciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Contingencies [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RepaymentsOfSecuritizedNonrecourseDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Repayments of securitized nonrecourse debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RepaymentsOfSecuritizedNonrecourseDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repayments of securitized nonrecourse debt.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RepaymentsOfSecuritizedNonrecourseDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments Of Securitized Nonrecourse Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Average common shares outstanding&#8212;basic (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average number of common shares outstanding&#8212;basic (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnInvestmentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Securities [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnInvestmentsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Net Gains (Losses) on Financial Instruments and Foreign Exchange</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementScenarioAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Scenario [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementScenarioAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Scenario [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_FairValueOfTheReplacementEquityAwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value of the Replacement Equity Awards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_FairValueOfTheReplacementEquityAwards_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value of the replacement equity awards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_FairValueOfTheReplacementEquityAwards_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value of the replacement equity awards</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCostAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortized Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAmortizedCostAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income from continuing operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net income from continuing operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Unrealized losses, 12 months or greater</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segments [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segments [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pretax income (loss) from discontinued operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Pretax income (loss) from discontinued operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2024QSRAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2024 QSR Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2024QSRAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">2024 QSR Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2024QSRAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">2024 QSR Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FundsHeldUnderReinsuranceAgreementsLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reinsurance funds withheld</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FundsHeldUnderReinsuranceAgreementsLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Funds Held under Reinsurance Agreements, Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetPledgedAsCollateralMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset Pledged as Collateral</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetPledgedAsCollateralMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Pledged as Collateral [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EagleRe20231PrimaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Eagle Re 2023-1 Ltd.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EagleRe20231PrimaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Eagle Re 2023-1 (Primary) [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EagleRe20231PrimaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Eagle Re 2023-1 (Primary)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Long-term debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Long-Term Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-term borrowings (Note 12)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Cash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_UnsecuredRevolvingCreditFacilityExpirationDate2026Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unsecured Revolving Credit Facility, Expiration Date 2026</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_UnsecuredRevolvingCreditFacilityExpirationDate2026Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unsecured Revolving Credit Facility, Expiration Date 2026 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_UnsecuredRevolvingCreditFacilityExpirationDate2026Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unsecured Revolving Credit Facility, Expiration Date 2026</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share-based compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">APIC, Share-Based Payment Arrangement, Increase for Cost Recognition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total stockholders&#8217; equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance, beginning of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance, end of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NondeductiblePercentageExciseTaxOnNetValueOfStockRepurchases_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Nondeductible percentage excise tax on net value of stock repurchases.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NondeductiblePercentageExciseTaxOnNetValueOfStockRepurchases_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Nondeductible Percentage Excise Tax on Net Value of Stock Repurchases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NondeductiblePercentageExciseTaxOnNetValueOfStockRepurchases_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Nondeductible percentage excise tax on net value of stock repurchases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeAndInterestExpenseDisclosureTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Interest Expense</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_CededInsuranceCommissionPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ceded Insurance Commission Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_CededInsuranceCommissionPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ceded Insurance Commission Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationConsolidatedFinancialStatementsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consolidated Financial Statements [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationConsolidatedFinancialStatementsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination, consolidated financial statements.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationConsolidatedFinancialStatementsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Financial Results of Inigo Included in Condensed Consolidated Financial Statements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statement of Stockholders' Equity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Stockholders' Equity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EverbankMasterRepurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Everbank Master Repurchase Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EverbankMasterRepurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Everbank master repurchase agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EverbankMasterRepurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Everbank Master Repurchase Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Level III assets measured at fair value [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Short-TermSeniorNotesEstimatedFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-term Senior Notes Estimated Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Short-TermSeniorNotesEstimatedFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short-term senior notes estimated fair value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Short-TermSeniorNotesEstimatedFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term senior notes, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Long-TermFHLBAdvancesCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-term FHLB Advances Carrying Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Long-TermFHLBAdvancesCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Long-term fhlb advances carrying amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessOverviewAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Overview [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessOverviewAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Overview [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessOverviewAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business Overview [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NetGainsLossesOnFinancialInstrumentsAndForeignExchange_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Gains (Losses) On Financial Instruments And Foreign Exchange</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NetGainsLossesOnFinancialInstrumentsAndForeignExchange_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">This concept represents the gains and losses on financial instruments and foreign exchange for the period excluding the impact of changes in the present value of insurance claims and recoveries on insured credit derivatives and VIEs, based on the company's ongoing insurance loss monitoring, which are a component of segment expenses. Also includes other than temporarily impaired losses recognized in earnings.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NetGainsLossesOnFinancialInstrumentsAndForeignExchange_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net (gains) losses on financial instruments and foreign exchange</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NetGainsLossesOnFinancialInstrumentsAndForeignExchange_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Net (gains) losses on financial instruments and foreign exchange</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NetGainsLossesOnFinancialInstrumentsAndForeignExchange_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net gains (losses) on financial instruments and foreign exchange (includes net realized gains (losses) on investments of $(3,248) and $(1,440)) (Note 7)</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredGoodwillAndIdentifiableLivedIntangibleAssetAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination, recognized asset acquired, goodwill and identifiable lived intangible asset, gross.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredGoodwillAndIdentifiableLivedIntangibleAssetAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill and indefinite-lived intangible assets, accumulated amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2026 (remainder)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Use of Estimates</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UseOfEstimates_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Use of Estimates, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock, Common [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Treasury Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_InigoLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Inigo Limited</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_InigoLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Inigo Limited.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_InigoLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inigo Limited [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_InigoLimitedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Inigo</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine2_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Address Line Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine2_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NewQSRAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">New QSR Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NewQSRAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">New QSR Agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NewQSRAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">New QSR Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value of Financial Instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Disclosures [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredAssetUnearnedPremiumsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Value of Business Acquired Asset Unearned Premiums, Accumulated Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredAssetUnearnedPremiumsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination value of business acquired asset unearned premiums, accumulated amortization.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredAssetUnearnedPremiumsAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">VOBA asset - unearned premiums, accumulated amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectsOfReinsuranceTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effects of Reinsurance [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromMaturitiesRepaymentsAndCallsOfTradingSecuritiesHeldforinvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trading securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromMaturitiesRepaymentsAndCallsOfTradingSecuritiesHeldforinvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Maturity, Repayment, and Call, Debt Security, Trading, Held-for-Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherFixedMaturitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Fixed Maturities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherFixedMaturitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other fixed maturities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherFixedMaturitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationPreliminaryAllocationToGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preliminary allocation to goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationPreliminaryAllocationToGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Preliminary Allocation to Goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationPreliminaryAllocationToGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination, preliminary allocation to goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationPreliminaryAllocationToGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Preliminary allocation to goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument, Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoncashInvestingAndFinancingItemsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Noncash Investing and Financing Items [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoncashInvestingAndFinancingItemsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplemental noncash information</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRecognitionPremiumsEarnedPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue Recognition, Premiums Earned, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenueRecognitionPremiumsEarnedPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue Recognition - Specialty Premiums</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_LiabilityForClaimsAndClaimsAdjustmentExpenseAndValueOfBusinessAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance at end of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_LiabilityForClaimsAndClaimsAdjustmentExpenseAndValueOfBusinessAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liability For Claims And Claims Adjustment Expense And Value Of Business Acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_LiabilityForClaimsAndClaimsAdjustmentExpenseAndValueOfBusinessAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Liability for claims and claims adjustment expense and value of business acquired.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_LiabilityForClaimsAndClaimsAdjustmentExpenseAndValueOfBusinessAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance at beginning of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingCodmIndividualTitleAndPositionOrGroupOrCommitteeNameExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income (loss) from discontinued operations, net of tax, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Income (loss) from discontinued operations, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EffectsOfReinsuranceLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effects of Reinsurance [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash provided by (used in) financing activities, discontinued operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Financing Activity, Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredGoodwillAndIdentifiableLivedIntangibleAssetNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Goodwill And Identifiable Lived Intangible Asset, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredGoodwillAndIdentifiableLivedIntangibleAssetNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination, recognized asset acquired, goodwill and identifiable lived intangible asset, net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredGoodwillAndIdentifiableLivedIntangibleAssetNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill and indefinite-lived intangible assets, net carrying amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredGoodwillAndIdentifiableLivedIntangibleAssetNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Goodwill and indefinite-lived intangible assets, net carrying amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Other Operating Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (Decrease) in Other Operating Assets, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Interest expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total interest expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest expense (Note 12)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense, Operating and Nonoperating</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Interest expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Due after 10 years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Facility [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facility [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Intangible Asset, Acquired, Finite-Lived and Indefinite-Lived [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Identifiable Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total fixed-maturities available for sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Debt Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities assumed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Liability Assumed, Liability [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less: Reclassification adjustment for net gains (losses) on investments included in net income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, Net of Tax, Portion Attributable to Parent [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AociBeforeTaxAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance at beginning of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AociBeforeTaxAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance at end of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AociBeforeTaxAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">AOCI before Tax, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CededCreditRiskTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ceded Credit Risk [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CededCreditRiskTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ceded Credit Risk [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdateExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_PartnershipInterestMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Partnership investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_PartnershipInterestMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Partnership Interest [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Investment Income, Reported Amounts, by Category [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Income [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredAssetUnearnedPremiumsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Value of Business Acquired Asset Unearned Premiums, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredAssetUnearnedPremiumsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination value of business acquired asset unearned premiums, net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredAssetUnearnedPremiumsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">VOBA asset - unearned premiums, net carrying amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredAssetUnearnedPremiumsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">VOBA asset - unearned premiums, net carrying amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, City or Town</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, City or Town</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Shares repurchased under share repurchase programs (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock repurchased during period (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Repurchased During Period, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, (Sales), Issuances, (Settlements) [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchasesSalesIssuancesSettlementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Assets carried at fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfReportableSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Number of reportable business segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfReportableSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Reportable Segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Security Exchange Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Security Exchange Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Facility [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Facility [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Balance at beginning of period, net of reinsurance recoverables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liability for Unpaid Claims and Claims Adjustment Expense, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance at beginning of period, net of reinsurance recoverables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance at end of period, net of reinsurance recoverables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Pretax income from continuing operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Profit before tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pretax income from continuing operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income (loss) from discontinued operations, net of tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Income (loss) from discontinued operations, net of tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpenseTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liability for Claims and Claims Adjustment Expense [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpenseTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liability for Claims and Claims Adjustment Expense [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_JPMorganMasterRepurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">JP Morgan Master Repurchase Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_JPMorganMasterRepurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">JP Morgan master repurchase agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_JPMorganMasterRepurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">JP Morgan Master Repurchase Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PledgingPurposeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pledging Purpose [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Antidilutive Securities, Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities, Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income (loss) from discontinued operations, net of tax, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Income (loss) from discontinued operations, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DefaultToClaimRateEstimateGrossForNewDefaults_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Default to claim rate estimate, gross, for new defaults</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DefaultToClaimRateEstimateGrossForNewDefaults_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Default To Claim Rate Estimate, Gross, For New Defaults</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DefaultToClaimRateEstimateGrossForNewDefaults_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">This concept represents the rate at which newly reported defaulted loans are expected to result in a claim.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Cash and restricted cash, beginning of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Cash and restricted cash, end of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Paid, Excluding Capitalized Interest, Operating Activity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest paid, continuing operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByMeasurementBasisAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Basis [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByMeasurementBasisAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Basis [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statistical Measurement [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transfers in (out) of Level III</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TradingSecuritiesDebtAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trading securities, amortized cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TradingSecuritiesDebtAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Trading, Amortized Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankCertificatesAndObligationsFHLBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank Certificates and Obligations (FHLB) [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankCertificatesAndObligationsFHLBMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">FHLB Advances</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Period End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Period End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EagleRe20201PrimaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Eagle Re 2020-1 Ltd.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EagleRe20201PrimaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Eagle Re 2020-1 (Primary) [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EagleRe20201PrimaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Eagle Re 2020-1 (Primary) [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsurancePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reinsurance Payable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsurancePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reinsurance payables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredValueOfBusinessAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">VOBA</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredAssetUnearnedPremiums_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination value of business acquired asset unearned premiums</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredAssetUnearnedPremiums_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">VOBA asset - unearned premiums, gross carrying amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Hierarchy</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net unrealized gains (losses) on investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationAccruedInvestmentIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accrued investment income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CollateralizedLoanObligationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CLO</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OptionalTerminationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Optional termination date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OptionalTerminationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Optional Termination Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OptionalTerminationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Optional termination date.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NetUnrealizedGainsLossesFromInvestmentsRecordedAsAssetsHeldForSale_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Unrealized Gains (Losses) From Investments Recorded As Assets Held For Sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NetUnrealizedGainsLossesFromInvestmentsRecordedAsAssetsHeldForSale_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net unrealized gains (losses) from investments recorded as assets held for sale.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_FixedMaturitiesTradingSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fixed Maturities Trading Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_FixedMaturitiesTradingSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fixed maturities trading securities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_FixedMaturitiesTradingSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fixed maturities trading securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnassertedClaimMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unasserted Claim</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Finite lived intangible assets amortized weighted average period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Estimated Useful Life (in years)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statement of Financial Position [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Financial Position [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss Contingency Nature [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingenciesByNatureOfContingencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Contingency Nature [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Asset [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleRealizedLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Gross realized losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleRealizedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Realized Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingencyNatureDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss Contingency, Nature [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingencyNatureDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Contingency, Nature [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Earnings Per Share, Basic And Diluted [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Security, Excluded EPS Calculation [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of securities in unrealized loss position</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReinsuranceAgreementOptionalRightPercentOfReinsuranceCoverageThreshold_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percent of reinsurance coverage threshold (in percent)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReinsuranceAgreementOptionalRightPercentOfReinsuranceCoverageThreshold_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reinsurance Agreement, Optional Right, Percent Of Reinsurance Coverage Threshold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReinsuranceAgreementOptionalRightPercentOfReinsuranceCoverageThreshold_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reinsurance Agreement, Optional Right, Percent Of Reinsurance Coverage Threshold</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MortgageInsuranceLinkedNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mortgage insurance-linked notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MortgageInsuranceLinkedNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage insurance-linked notes [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MortgageInsuranceLinkedNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage insurance-linked notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ProceedsFromCreditFacilityBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Credit Facility Borrowings</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Fixed-maturities available for sale, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Realized Gain (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_LloydsSyndicateCapacityAndRelatedRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lloyd's Syndicate Capacity And Related Rights [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_LloydsSyndicateCapacityAndRelatedRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Lloyd&#8217;s syndicate capacity and related rights.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_LloydsSyndicateCapacityAndRelatedRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lloyd's Syndicate Capacity and Related Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NewPrimaryDefaults_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">New primary defaults</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NewPrimaryDefaults_lbl" xlink:role="http://www.xbrl.org/2003/role/label">New Primary Defaults</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NewPrimaryDefaults_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">New Primary Defaults</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationIdentifiableIntangibleAssetsLloydsSyndicateCapacityAndRelatedRights_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Identifiable Intangible Assets Lloyd's Syndicate Capacity And Related Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationIdentifiableIntangibleAssetsLloydsSyndicateCapacityAndRelatedRights_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination identifiable intangible assets lloyd's syndicate capacity and related rights.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationIdentifiableIntangibleAssetsLloydsSyndicateCapacityAndRelatedRights_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lloyd's syndicate capacity and related rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdvancesFromFederalHomeLoanBanks_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total FHLB advances</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Long-TermSeniorNotesEstimatedFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Long-term senior notes estimated fair value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Consolidated VIE Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Instruments [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instruments [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AdjustedPretaxOperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjusted pretax operating income (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AdjustedPretaxOperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Adjusted pretax operating income (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AdjustedPretaxOperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjusted pretax operating income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AdjustedPretaxOperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Adjusted pretax operating income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Performance period, performance-based RSUs</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationConsiderationTransferredCashConsideration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Consideration Transferred Cash Consideration</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Groups, Including Discontinued Operations [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfSinglePremiumQuotaShareReinsuranceProgramDetailsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Single Premium QSR Program</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Investments [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group, including discontinued operation, investments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Adjusted average common shares outstanding&#8212;diluted (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Weighted average number of common and common equivalent shares outstanding&#8212;diluted (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PerformanceBasedRSUsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Performance-based R S Us [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PerformanceBasedRSUsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Performance-based R S Us.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PerformanceBasedRSUsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Performance-based RSUs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CededCreditRiskLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ceded Credit Risk [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CededCreditRiskLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ceded Credit Risk [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity File Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity File Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Dividends and dividend equivalents paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments of Ordinary Dividends, Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Unrealized holding gains (losses) on investments arising during the period for which an allowance for expected credit losses has not been recognized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unrealized holding gains (losses) on investments arising during the period for which an allowance for expected losses has not been recognized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedLiabilityAssumedUnearnedPremiums_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unearned premiums</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedLiabilityAssumedUnearnedPremiums_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Liability Assumed Unearned Premiums</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedLiabilityAssumedUnearnedPremiums_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination, recognized liability assumed unearned premiums</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other assets (Note 9)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total other assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cover [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PrivateMortgageInsuranceProtectsLendersForLoansMadeWithLessThanThisMaximumDownPaymentPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Down payment purchase price (percent)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PrivateMortgageInsuranceProtectsLendersForLoansMadeWithLessThanThisMaximumDownPaymentPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Mortgage Insurance Protects Lenders For Loans Made With Less Than This Maximum Down Payment Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PrivateMortgageInsuranceProtectsLendersForLoansMadeWithLessThanThisMaximumDownPaymentPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">This element represents the maximum down payment percentage on a home's purchase price that is used to measure the need for private mortgage insurance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Forfeited (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_VOBAIntangibleAssetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">VOBA Intangible Asset [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_VOBAIntangibleAssetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">VOBA intangible asset.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_VOBAIntangibleAssetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">VOBA Intangible Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_VOBAIntangibleAssetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">VOBA, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeCategorizationMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PrivateMortgageInsuranceProtectsLendersForRefinancingsMadeToHomeBuyersWithLessThanThisMaximumEquityOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity in home (percent)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PrivateMortgageInsuranceProtectsLendersForRefinancingsMadeToHomeBuyersWithLessThanThisMaximumEquityOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Mortgage Insurance Protects Lenders For Refinancings Made To Home Buyers With Less Than This Maximum Equity-Ownership Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PrivateMortgageInsuranceProtectsLendersForRefinancingsMadeToHomeBuyersWithLessThanThisMaximumEquityOwnershipPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">This element represents the maximum equity-ownership percentage on a home's value that is used to measure the need for private mortgage insurance for refinancings.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherInvestedAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other invested assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherInvestedAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Invested Assets [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherInvestedAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other invested assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SalesRevenueNetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenue Benchmark</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SalesRevenueNetMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenue Benchmark [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioUnspecifiedDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Scenario [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioUnspecifiedDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Scenario [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USTreasurySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">US Treasury Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USTreasurySecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">US Treasury Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss) [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Comprehensive Income (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgagesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgages [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgagesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mortgage Loan Financing Facilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatutoryAccountingPracticesStatutoryNetIncomeAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statutory net income (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatutoryAccountingPracticesStatutoryNetIncomeAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statutory Accounting Practices, Statutory Net Income Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RecoverableForTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Recoverable for taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RecoverableForTaxes_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Recoverable for taxes.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BrandMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Brand [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BrandMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Brand</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BrandMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Brand</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationIdentifiableIntangibleAssetsBrokerRelationshipsOtherCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Identifiable Intangible Assets Broker Relationships Other Customers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationIdentifiableIntangibleAssetsBrokerRelationshipsOtherCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination identifiable intangible assets broker relationships other customers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationIdentifiableIntangibleAssetsBrokerRelationshipsOtherCustomers_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Broker relationships - other brokers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Reporting</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_LisaWHessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Lisa W Hess [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_LisaWHessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Lisa W Hess.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_LisaWHessMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Lisa W. Hess</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpensePeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liability for Unpaid Claims and Claims Adjustment Expense, Period Increase (Decrease)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpensePeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Liability for Unpaid Claims and Claims Adjustment Expense, Period Increase (Decrease), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpensePeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase in loss and loss adjustments expense reserves, net of reinsurance receoverables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ProceedsAndRepaymentsOfFHLBankBorrowingsNetFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds and Repayments of FHLBank Borrowings Net Financing Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ProceedsAndRepaymentsOfFHLBankBorrowingsNetFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds and repayments of FHLBank borrowings net financing activities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ProceedsAndRepaymentsOfFHLBankBorrowingsNetFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds (repayments) of FHLB advances, net (with terms three months or less)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CorporateNonSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Corporate, Non-Segment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CorporateNonSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AociTaxAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance at beginning of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AociTaxAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance at end of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AociTaxAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">AOCI Tax, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesAcquisitions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, Acquisitions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesAcquisitions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of common stock due to Inigo acquisition (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NetValueOfBusinessAcquiredBalanceExpectedToAmortizePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net VOBA balance expected to amortize period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NetValueOfBusinessAcquiredBalanceExpectedToAmortizePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Value of Business Acquired Balance Expected to Amortize Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NetValueOfBusinessAcquiredBalanceExpectedToAmortizePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net value of business acquired balance expected to amortize period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CatastropheMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Catastrophe [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CatastropheMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Catastrophe Bonds</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsDeclaredTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Dividends Declared and Paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsDeclaredTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends Declared [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Pro Forma Information, Pro Forma Income (Loss), after Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ExcessofLossLayerAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Excess-of-Loss Layer [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ExcessofLossLayerAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Excess-of-Loss Layer [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ExcessofLossLayerAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Excess-of-Loss Layer [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Finite-Lived Intangible Assets, Net, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Finite-Lived Intangible Assets, Net, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Loss on extinguishment of debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Extinguishment of Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PledgedStatusDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pledged Status [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PledgedStatusDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pledged Status [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssumedPremiumsWritten_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assumed Premiums Written</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssumedPremiumsWritten_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assumed premiums written</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfGoodwillIntangibleAssetsAndValueOfBusinessAcquiredTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Goodwill Intangible Assets and Value of Business Acquired [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfGoodwillIntangibleAssetsAndValueOfBusinessAcquiredTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of Goodwill Intangible Assets and Value of Business Acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfGoodwillIntangibleAssetsAndValueOfBusinessAcquiredTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Goodwill Intangible Assets and VOBA</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_StatutoryAccountingPracticesStatutoryCapitalAndSurplusTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statutory Accounting Practices Statutory capital and surplus [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_StatutoryAccountingPracticesStatutoryCapitalAndSurplusTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Statutory Accounting Practices Statutory capital and surplus.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_StatutoryAccountingPracticesStatutoryCapitalAndSurplusTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Statutory Capital and Surplus and Required Capital and Surplus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recent Accounting Pronouncements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">New Accounting Pronouncements, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Investing Activity, Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash provided by (used in) investing activities, discontinued operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Roll forward of RSUs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cliff-vesting period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Award vesting period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNoteTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated Other Comprehensive Income (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNoteTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income (Loss) Note [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total liabilities assumed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Liability Assumed, Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities assumed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ChangeinUnrealizedHoldingGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net unrealized gains (losses) on investments still held</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ChangeinUnrealizedHoldingGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in Unrealized Holding Gain (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ChangeinUnrealizedHoldingGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Amount of unrealized holding gain (loss) recognized in the income statement for investments in equity securities and securities classified as trading.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ChangeinUnrealizedHoldingGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net unrealized gains (losses) on investments still held</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MortgageServicingRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Servicing Rights [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MortgageServicingRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage Servicing Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MortgageServicingRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Mortgage Servicing Rights</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromFederalHomeLoanBankBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from FHLBank Borrowings, Financing Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromFederalHomeLoanBankBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from FHLB advances (with terms greater than three months)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2020SinglePremiumQSRMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2020 Single Premium QSR Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2020SinglePremiumQSRMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">2020 Single Premium QSR [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2020SinglePremiumQSRMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">2020 Single Premium QSR [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Short-TermSeniorNotesCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term senior notes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Short-TermSeniorNotesCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-term Senior Notes Carrying Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Short-TermSeniorNotesCarryingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short-term senior notes carrying amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReserveForLossesAndLAEMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reserve for losses and LAE [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReserveForLossesAndLAEMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reserve for losses and LAE.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReserveForLossesAndLAEMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reserve for losses and LAE</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Depreciation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Depreciation, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Depreciation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Depreciation expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CarryingReportedAmountFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Carrying Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CarryingReportedAmountFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reported Value Measurement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentTypeExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment, Type [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RiskToCapitalRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Risk to capital ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RiskToCapitalRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Risk To Capital Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RiskToCapitalRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">This concept represents an entity's ratio of net risk in force (excludes risk ceded through reinsurance contracts and risk in force on defaulted loans) to the amount of statutory capital (defined as the sum of statutory policyholders' surplus plus statutory contingency reserves).</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Description of Business</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureAndSignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Common stock outstanding at ending balance (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Common stock outstanding at beginning balance (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, shares, outstanding (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares, Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_StatutoryUnassignedPositiveNegativeSurplus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statutory positive unassigned surplus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_StatutoryUnassignedPositiveNegativeSurplus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statutory Unassigned Positive (Negative) Surplus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_StatutoryUnassignedPositiveNegativeSurplus_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Statutory Unassigned Positive (Negative) Surplus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_StatutoryUnassignedPositiveNegativeSurplus_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Unassigned surplus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationIdentifiableIntangibleAssetsOtherAcquiredIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total other acquired intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationIdentifiableIntangibleAssetsOtherAcquiredIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Identifiable Intangible Assets Other Acquired Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationIdentifiableIntangibleAssetsOtherAcquiredIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination identifiable intangible assets other acquired intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationIdentifiableIntangibleAssetsOtherAcquiredIntangibleAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total other acquired intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Transition Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Transition Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_LineOfCreditFacilityIncreaseCommittedBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Increase, Committed Borrowing Capacity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_LineOfCreditFacilityIncreaseCommittedBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Line of credit facility, increase, committed borrowing capacity.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_LineOfCreditFacilityIncreaseCommittedBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Line of credit facility, increase, committed borrowing capacity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Operating Expenses, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Holding operating expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RadianGuarantyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Radian Guaranty</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RadianGuarantyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Radian Guaranty [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RadianGuarantyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Radian Guaranty [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingencyPendingClaimsNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum number of pending or threatened matters that could affect our results</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossContingencyPendingClaimsNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Contingency, Pending Claims, Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_StatutorySurplusBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statutory surplus balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_StatutorySurplusBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Statutory surplus balance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments for Repurchase of Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Repurchases of common stock, including excise taxes paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statement of Cash Flows [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Cash Flows [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredIdentifiableGoodwillAndOtherIntangibleAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Asset Acquired Identifiable Goodwill And Other Intangible Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredIdentifiableGoodwillAndOtherIntangibleAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized asset acquired identifiable goodwill and other intangible asset.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredIdentifiableGoodwillAndOtherIntangibleAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill and other acquired intangible assets, gross carrying amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2025QSRAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2025 QSR Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2025QSRAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">A2025 QSR Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2025QSRAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">2025 QSR Agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PayableUnderSecuritiesLendingAgreements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payable Under Securities Lending Agreements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PayableUnderSecuritiesLendingAgreements_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Payable under securities lending agreements.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PayableUnderSecuritiesLendingAgreements_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Amount payable under securities lending agreements</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Businesses, Net of Cash Acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Payments to Acquire Businesses, Net of Cash Acquired, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Acquisition, net of cash acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capital Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prior years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Prior Years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net Income Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherComprehensiveIncomeLossUnrealizedGainsLossesFromInvestmentsRecordedAsAssetsHeldForSaleBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net unrealized gains (losses) from investments recorded as assets held for sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherComprehensiveIncomeLossUnrealizedGainsLossesFromInvestmentsRecordedAsAssetsHeldForSaleBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income Loss Unrealized Gains Losses From Investments Recorded As Assets Held For Sale Before Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherComprehensiveIncomeLossUnrealizedGainsLossesFromInvestmentsRecordedAsAssetsHeldForSaleBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other comprehensive income loss unrealized gains losses from investments recorded as assets held for sale before tax.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignGovernmentDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Foreign government and agency securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignGovernmentDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Foreign government and agency securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignGovernmentDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Security, Government, Non-US [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operations and Disposal Groups [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ValueOfBusinessAcquiredAssetWeightedAverageUsageLifeOfUnearnedPremiums_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Value of Business Acquired Asset Weighted Average Usage Life of Unearned Premiums</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ValueOfBusinessAcquiredAssetWeightedAverageUsageLifeOfUnearnedPremiums_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Value of Business Acquired Asset Weighted Average Usage Life of Unearned Premiums</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ValueOfBusinessAcquiredAssetWeightedAverageUsageLifeOfUnearnedPremiums_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unearned premium estimated useful life (in years)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_QsrEffectiveDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">QSR Effective Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_QsrEffectiveDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">QSR effective date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_QsrEffectiveDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effective date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtAndEquitySecuritiesGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtAndEquitySecuritiesGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt and Equity Securities, Gain (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Operating Activity, Continuing Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash provided by (used in) operating activities, continuing operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided by (used in) operating activities, continuing operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from (Payment for) Other Financing Activity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Letters of credit and credit facility commitment fees paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CededCreditRiskAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ceded Credit Risk, Reinsurer [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CededCreditRiskAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reinsurer, Name [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Available-for-sale Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Available-for-Sale Securities, Debt Maturities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MortgageInsuranceSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mortgage Insurance revenues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MortgageInsuranceSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Insurance Segment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MortgageInsuranceSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage Insurance Segment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MortgageInsuranceSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Mortgage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfEstimatedAmortizationOfFiniteLivedOtherIntangibleAssetsAndValueOfBusinessAcquiredTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Estimated Amortization of Finite Lived Other Intangible Assets and VOBA</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfEstimatedAmortizationOfFiniteLivedOtherIntangibleAssetsAndValueOfBusinessAcquiredTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Estimated Amortization of Finite Lived Other Intangible Assets and Value of Business Acquired [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfEstimatedAmortizationOfFiniteLivedOtherIntangibleAssetsAndValueOfBusinessAcquiredTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of Estimated Amortization of Finite Lived Other Intangible Assets and Value of Business Acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Operating Activity, Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash provided by (used in) operating activities, discontinued operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repayment of debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Fiscal Year Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Year Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Accumulated Other Comprehensive Income (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationProvisionForLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Provision For Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationProvisionForLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group including discontinued operation provision for losses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationProvisionForLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Provision for losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk Benchmark [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Benchmark [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Changes in Fair Value Included in Other Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationPremiumsAndOtherReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Premiums and other receivables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationPremiumsAndOtherReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Premiums and Other Receivables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationPremiumsAndOtherReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group, including discontinued operation, premiums and other receivables.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows from investing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ConsiderationOfRadianGroupINCIssuedCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consideration of Radian Group INC. Issued Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ConsiderationOfRadianGroupINCIssuedCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Consideration of radian group inc. issued common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ConsiderationOfRadianGroupINCIssuedCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consideration of Radian Group Inc. issued common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfLiabilityForUnpaidClaimsAndClaimAdjustmentExpensesBySegmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Reserve for Losses and LAE by Segment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfLiabilityForUnpaidClaimsAndClaimAdjustmentExpensesBySegmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Liability For Unpaid Claims And Claim Adjustment Expenses, By Segment [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfLiabilityForUnpaidClaimsAndClaimAdjustmentExpensesBySegmentTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of Liability for Unpaid Claims and Claim Adjustment Expenses, by Segment [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Short Term Borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group including discontinued operation short term borrowings.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchases/ Additions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Period Increase (Decrease)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Period Increase (Decrease), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Changes in Fair Value Included in Other Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of common stock under incentive and benefit plans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other operating expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Other Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepositsForeign_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Overseas deposits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DepositsForeign_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deposits, Foreign, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_GainLossOnOtherFinancialInstruments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) On Other Financial Instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_GainLossOnOtherFinancialInstruments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Gain (Loss) On Other Financial Instruments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_GainLossOnOtherFinancialInstruments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net gains (losses) on other financial instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInUnearnedPremiums_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Unearned Premiums</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInUnearnedPremiums_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unearned premiums</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Unrealized Losses on Fixed-Maturities Available for Sale by Category and Length of Time</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrealizedGainLossOnInvestmentsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrealized Gain (Loss) on Investments [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2027</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FixedMaturitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Fixed-maturities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FixedMaturitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fixed-maturities available for sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FixedMaturitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fixed Maturities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_IssuanceOfSecuritizedNonrecourseDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Issuance of securitized nonrecourse debt.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_IssuanceOfSecuritizedNonrecourseDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Issuance Of Securitized Nonrecourse Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_IssuanceOfSecuritizedNonrecourseDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of securitized nonrecourse debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net realized gains (losses) on disposals and non-credit related impairment losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Reclassification Adjustment for Non Credit Related Impairments, Before Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsBeforeTax_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other Comprehensive Income (Loss), Reclassification Adjustment for Non Credit Related Impairments, Before Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetInvestmentIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net investment income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetInvestmentIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Investment Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetInvestmentIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net investment income (Note 7)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetInvestmentIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Corporate net investment income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total other liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other liabilities (Note 9)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfOtherAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Other Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfOtherAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Other Assets [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherComprehensiveIncomeLossUnrealizedGainsLossesFromInvestmentsRecordedAsAssetsHeldForSaleTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net unrealized gains (losses) from investments recorded as assets held for sale, tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherComprehensiveIncomeLossUnrealizedGainsLossesFromInvestmentsRecordedAsAssetsHeldForSaleTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income Loss Unrealized Gains Losses From Investments Recorded As Assets Held For Sale Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherComprehensiveIncomeLossUnrealizedGainsLossesFromInvestmentsRecordedAsAssetsHeldForSaleTax_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other comprehensive income loss unrealized gains losses from investments recorded as assets held for sale tax.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedLossBeforeTaxIncludingLoanedSecurities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Gross Unrealized Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedLossBeforeTaxIncludingLoanedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, Before Tax, Including Loaned Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedLossBeforeTaxIncludingLoanedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, Before Tax, Including Loaned Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Disclosures [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Disclosures [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and Contingencies Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Debt Obligations [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherDebtSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueAcquisitions_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, Acquisitions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueAcquisitions_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity awards and common stock issued due to Inigo acquisition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_UnsecuredRevolvingCreditFacilityMaturityDateNovember2030Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unsecured Revolving Credit Facility, Maturity date November 2030 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_UnsecuredRevolvingCreditFacilityMaturityDateNovember2030Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unsecured Revolving Credit Facility, Maturity date November 2030.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_UnsecuredRevolvingCreditFacilityMaturityDateNovember2030Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unsecured Revolving Credit Facility, Maturity date November 2030</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Interest Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income&#8212;basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss) Available to Common Stockholders, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net income-basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired to Liability Assumed, Excess (Less)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net assets acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities held for sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Liabilities held for sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities held for sale (Note 18)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Long-Term Line of Credit, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revolving credit facility, Carrying Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCredit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Outstanding amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sales/ Dispositions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesTradingUnrealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trading securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesTradingUnrealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Trading, Unrealized Gain (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fixed-maturities available for sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total assets at fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Liability Assumed, Deferred Tax Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net deferred tax liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Quota share %</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk, Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Cession percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Right-Of-UseAssetObtainedInExchangeForOperatingLeaseLiabilityDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Discontinued Operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Right-Of-UseAssetObtainedInExchangeForOperatingLeaseLiabilityDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Right-of-use ssset obtained in exchange for operating lease liability discontinued operations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Right-Of-UseAssetObtainedInExchangeForOperatingLeaseLiabilityDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating lease right-of-use assets obtained in exchange for operating lease liabilities, discontinued operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Revenues_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total revenues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Revenues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total revenues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Revenues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Revenues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Revenues_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total Mortgage Insurance revenues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ProceedsFromIntercompanyNotesBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Intercompany Notes Borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ProceedsFromIntercompanyNotesBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from intercompany notes borrowings.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ProceedsFromIntercompanyNotesBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from intercompany notes borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided by (used in) investing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Investing Activity, Including Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchasesSalesIssuancesSettlementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases, (Sales), Issuances, (Settlements) [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchasesSalesIssuancesSettlementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Liabilities carried at fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AvailableForSaleDebtSecuritiesAmortizedCostBasisIncludingLoanedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AvailableForSaleDebtSecuritiesAmortizedCostBasisIncludingLoanedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Available-For-Sale Debt Securities, Amortized Cost Basis, Including Loaned Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AvailableForSaleDebtSecuritiesAmortizedCostBasisIncludingLoanedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Available-For-Sale Debt Securities, Amortized Cost Basis, Including Loaned Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AvailableForSaleDebtSecuritiesAmortizedCostBasisIncludingLoanedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amortized Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Title of 12(b) Security</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of 12(b) Security</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Employee-related Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Employee-related Liabilities, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeRelatedLiabilitiesCurrentAndNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accrued compensation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Income, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Investment Income, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investment income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Remaining authorized repurchase amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Repurchase Program, Remaining Authorized, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Forfeited (in usd per share)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationNetInvestmentIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net investment income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationNetInvestmentIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Net Investment Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationNetInvestmentIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group including discontinued operation net investment income.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Due after one year through five years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MoneyMarketFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Money market instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MoneyMarketFundsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Money Market Funds [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationInvestmentsAvailableForSaleAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Investments Available For Sale At Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationInvestmentsAvailableForSaleAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group including discontinued operation investments available for sale at fair value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationInvestmentsAvailableForSaleAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fixed maturities available for sale - at fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationServicesRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Services Revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationServicesRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group including discontinued operation services revenue.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationServicesRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Services revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Taxes</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredReinsuranceRecoverables_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired Reinsurance Recoverables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredReinsuranceRecoverables_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination, recognized asset acquired reinsurance recoverables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredReinsuranceRecoverables_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reinsurance recoverables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MovementInLiabilityForFuturePolicyBenefitsRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss reserve [Roll Forward]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MovementInLiabilityForFuturePolicyBenefitsRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Movement in Liability for Future Policy Benefits [Roll Forward]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationIncomeLossOnConsolidatedVariableInterestEntities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Income (Loss) On Consolidated VIEs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationIncomeLossOnConsolidatedVariableInterestEntities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income (loss) on consolidated VIEs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationIncomeLossOnConsolidatedVariableInterestEntities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group including discontinued operation income (loss) on consolidated VIEs.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Investing Activity, Continuing Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net cash provided by (used in) investing activities, continuing operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided by (used in) investing activities, continuing operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeLossStatementTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Disposal Groups Including Discontinued Operations Income Loss Statement [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeLossStatementTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of disposal groups including discontinued operations income loss statement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeLossStatementTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Income (Loss) from Discontinued Operations, Net of Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationResidentialMortgageLoansHeldForSaleAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Including Discontinued Operation Residential Mortgage Loans Held For Sale At Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationResidentialMortgageLoansHeldForSaleAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group including discontinued operation residential mortgage loans held for sale at fair value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationResidentialMortgageLoansHeldForSaleAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Residential mortgage loans held for sale - at fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LegalEntityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Legal Entity [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LegalEntityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Legal Entity [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Due after one year through five years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in:</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Assets and Liabilities by Hierarchy Level [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Recurring and Nonrecurring [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income (loss) from discontinued operations, net of tax, basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss) from Discontinued Operations Available to Common Shareholders, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Combinations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross unrecognized tax benefits</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unrecognized Tax Benefits</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnrecognizedTaxBenefits_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Unrecognized Tax Benefits, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsRestrictedCash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets Restricted Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsRestrictedCash_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination recognized identifiable assets acquired and liabilities assumed assets restricted cash.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsRestrictedCash_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid-in Capital [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional Paid-in Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommercialMortgageBackedSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">CMBS</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementFrequencyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Frequency [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherNon-EmployeeOperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Non-employee Operating Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherNon-EmployeeOperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other non-employee operating expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherNon-EmployeeOperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other non-employee operating expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StockRepurchaseProgramAuthorizedAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Repurchase Program, Authorized, Amount</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SeniorNotesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Senior Notes [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trading Symbol</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trading Symbol</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_TimedVestedRSUsEquitySettledMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Timed-Vested RSUs Equity Settled</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_TimedVestedRSUsEquitySettledMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Timed-Vested RSUs Equity Settled [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_TimedVestedRSUsEquitySettledMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Timed-Vested RSUs Equity Settled</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_TimedVestedRSUsEquitySettledMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Time-Vested</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesFvNi_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Equity securities--at fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesFvNi_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity securities-at fair value (cost of $32,717 and $45,619)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredLiabilityReservesAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Value Of Business Acquired Liability Reserves, Accumulated Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredLiabilityReservesAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination value of business acquired liability reserves, accumulated amortization.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredLiabilityReservesAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">VOBA liability - reserves, accumulated amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredLiabilityReservesAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">VOBA liability - reserves, accumulated amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite Lived Intangible Asset, Expected Amortization, after Year Four</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Finite lived intangible asset, expected amortization, after year four.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Thereafter</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ExtinguishmentOfDebtAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Extinguishment of Debt [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Due in one year or less</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MortgageFinancingFacilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mortgage financing facilities, carrying amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MortgageFinancingFacilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Financing Facilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MortgageFinancingFacilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage Financing Facilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsequentEventTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsequent Event Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SecuritiesTradingRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trading securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SecuritiesTradingRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities, Trading, Realized Gain (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SecuritiesTradingRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Securities, Trading, Realized Gain (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows from financing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsRecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Measurements, Recurring</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsRecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Recurring [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredGoodwillAndIdentifiableLivedIntangibleAssetGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired, Goodwill And Identifiable Lived Intangible Asset, Gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredGoodwillAndIdentifiableLivedIntangibleAssetGross_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination, recognized asset acquired, goodwill and identifiable lived intangible asset, gross.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationRecognizedAssetAcquiredGoodwillAndIdentifiableLivedIntangibleAssetGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill and indefinite-lived intangible assets, gross carrying amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Purchases of:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Investments [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageBackedSecuritiesHeldToMaturityFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Security, Mortgage-Backed, Held-to-Maturity, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MortgageBackedSecuritiesHeldToMaturityFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securitized residential mortgage loans held for investment at fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Short-TermFHLBAdvancesEstimatedFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-term FHLB Advances Estimated Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Short-TermFHLBAdvancesEstimatedFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short-term fhlb advances estimated fair value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Short-TermFHLBAdvancesEstimatedFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term FHLB advances, Estimated Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfTradingSecuritiesHeldforinvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Trading securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromSaleOfTradingSecuritiesHeldforinvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Sale, Debt Security, Trading, and Equity Security, FV-NI, Held-for-Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2016SinglePremiumQSRTransactionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2016 Single Premium QSR Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2016SinglePremiumQSRTransactionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">2016 Single Premium QSR Transaction [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2016SinglePremiumQSRTransactionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">2016 Single Premium QSR Transaction [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherAssetsAndLiabilitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Assets and Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherAssetsAndLiabilitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets And Liabilities Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherAssetsAndLiabilitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other assets and liabilities disclosure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CededPremiumsWritten_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ceded Premiums Written</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CededPremiumsWritten_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Ceded premiums written</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">FHLB, collateral pledged</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity Components [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Components [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PrimaryMortgageProductMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Primary Mortgage Product</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PrimaryMortgageProductMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Primary Mortgage Product [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PrimaryMortgageProductMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">This represents the primary mortgage product.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Secured borrowings (Note 12)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other borrowings (Note 12)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total other borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity Component [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Component [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByAssetClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Class [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reconciliation of Revenue from Segments to Consolidated [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Reconciliation of Revenue from Segment to Consolidated</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredPolicyAcquisitionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred policy acquisition costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredPolicyAcquisitionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Policy Acquisition Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredPolicyAcquisitionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Deferred Policy Acquisition Cost, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredPolicyAcquisitionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Deferred Policy Acquisition Cost, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RichardGThornberryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Richard G. Thornberry [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RichardGThornberryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Richard G. Thornberry [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RichardGThornberryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Richard G. Thornberry</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Investments_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Investments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collateral</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Investments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PercentageChangeInNumberOfNewPrimaryDefaultNotices_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase (decrease) in number of new primary default notices (in percent)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PercentageChangeInNumberOfNewPrimaryDefaultNotices_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Change in Number of New Primary Default Notices</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PercentageChangeInNumberOfNewPrimaryDefaultNotices_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage Change in Number of New Primary Default Notices</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preliminary Allocation of Purchase Price to Estimated Fair Value of Assets Acquired and Liabilities Assumed as of Closing Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income Location [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Due after five years through 10 years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLocationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income Location [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative, Fair Value, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PercentageOfExpectedToCede_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage of Expected to Cede</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PercentageOfExpectedToCede_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage of expected to cede.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PercentageOfExpectedToCede_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of expected to cede</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Expenses [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group, including discontinued operation, expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupIncludingDiscontinuedOperationExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsuranceRetentionExcessRetentionAmountReinsuredPerLife_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Coverage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsuranceRetentionExcessRetentionAmountReinsuredPerLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reinsurance, Excess Retention, Amount Reinsured, Per Life</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Investment Income [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfInvestmentIncomeReportedAmountsByCategoryLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Investment Income [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MasterRepurchaseAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Master Repurchase Agreements [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MasterRepurchaseAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Master repurchase agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MasterRepurchaseAgreementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Master Repurchase Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USTreasuryAndGovernmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">U.S. government and agency securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USTreasuryAndGovernmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">US Treasury and Government [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statement of Comprehensive Income [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Comprehensive Income [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedInvestmentIncomeReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accrued Investment Income Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedInvestmentIncomeReceivable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Accrued investment income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalCashFlowElementsInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sales, redemptions and (purchases) of:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalCashFlowElementsInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Cash Flow Elements, Investing Activity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statistical Measurement [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PremiumsWrittenNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Premiums Written, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PremiumsWrittenNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Premiums written, net of reinsurance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PremiumsWrittenNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Premiums written, net of reinsurance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PremiumsWrittenNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total net premiums written</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_TradingSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trading securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_TradingSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trading Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_TradingSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Investments in debt securities and/or other forms of securities that provide ownership interests classified as trading.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeOtherNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other adjustments to other comprehensive income (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeOtherNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income, Other, Net of Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income&#8212;diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss) Available to Common Stockholders, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net income-diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DirectPremiumsWritten_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Direct premiums written</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DirectPremiumsWritten_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Direct Premiums Written</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basis of Presentation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleRealizedGain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross realized gains</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleRealizedGain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Realized Gain</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherAssetsAndLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets and Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherAssetsAndLiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other Assets and Liabilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AOCIAttributableToParentBeforeTaxRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Before Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AOCIAttributableToParentBeforeTaxRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">AOCI Attributable To Parent, Before Tax [Roll Forward]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AOCIAttributableToParentBeforeTaxRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">AOCI Attributable To Parent, Before Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MortgageFinancingFacilitiesFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mortgage financing facilities, fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MortgageFinancingFacilitiesFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Financing Facilities, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MortgageFinancingFacilitiesFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage Financing Facilities, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EffectivePeriodAfterNIWPolicyEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Effective Period After NIW Policy End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EffectivePeriodAfterNIWPolicyEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Effective period after NIW policy end date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EffectivePeriodAfterNIWPolicyEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effective period after NIW policy end date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations, Per Diluted Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income from continuing operations, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsHeldByInsuranceRegulators_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets held by insurance regulators</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsHeldByInsuranceRegulators_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets Held by Insurance Regulators</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Deferred Policy Acquisition Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDeferredPolicyAcquisitionCosts_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Deferred policy acquisition costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FundsHeldUnderReinsuranceAgreementsAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Funds held under reinsurance agreements, asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FundsHeldUnderReinsuranceAgreementsAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Funds Held under Reinsurance Agreements, Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_InigoLimitedLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Inigo Limited, LLC [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_InigoLimitedLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Inigo limited, LLC.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_InigoLimitedLLCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Inigo Limited, LLC</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Year Claims and Claims Adjustment Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Current accident year losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss) from Continuing Operations Available to Common Shareholders, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income from continuing operations diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationReinsuranceRecoverableIncludingReinsurancePremiumPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Reinsurance Recoverable, Including Reinsurance Premium Paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationReinsuranceRecoverableIncludingReinsurancePremiumPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reinsurance recoverables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MortgageSegmentOperatingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mortgage Segment Operating [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MortgageSegmentOperatingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mortgage segment operating.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_MortgageSegmentOperatingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mortgage segment operating</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostsAndExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostsAndExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Costs and Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Assets by Major Class [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesFinancingTransactionTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities Financing Transaction [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesFinancingTransactionTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Financing Transaction [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Debt [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PremiumsEarnedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total net premiums earned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PremiumsEarnedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net premiums earned (Note 8)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PremiumsEarnedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Premiums Earned, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PremiumsEarnedNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net premiums earned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatutoryAccountingPracticesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statutory Accounting Practices Disclosure [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatutoryAccountingPracticesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Statutory Net Income (Loss) and Statutory Policyholders' Surplus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Unrealized losses, total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_IncomeTaxesPaidNetFromDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Taxes Paid Net From Discontinued Operations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_IncomeTaxesPaidNetFromDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Income taxes paid, net from discontinued operations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_IncomeTaxesPaidNetFromDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income taxes paid (refunded), discontinued operations (Note 10)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Derivative Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFinancialInstrumentsLiabilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Financial Instruments, Liabilities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Borrowings and Financing Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transfers in (out) of Level III</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2028</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AvailableForSaleSecuritiesDebtSecuritiesIncludingLoanedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AvailableForSaleSecuritiesDebtSecuritiesIncludingLoanedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair&#160;Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AvailableForSaleSecuritiesDebtSecuritiesIncludingLoanedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Available-For-Sale Securities, Debt Securities, Including Loaned Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AvailableForSaleSecuritiesDebtSecuritiesIncludingLoanedSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Available-For-Sale Securities, Debt Securities, Including Loaned Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionContingentConsiderationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Components of Consideration Paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionContingentConsiderationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Contingent Consideration [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NewInsuranceWrittenPolicyDates_lbl" xlink:role="http://www.xbrl.org/2003/role/label">New Insurance Written Policy Dates</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NewInsuranceWrittenPolicyDates_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">New insurance written policy dates.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NewInsuranceWrittenPolicyDates_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">NIW policy dates</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional paid-in capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid in Capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Additional Paid in Capital, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accumulated Other Comprehensive Income (Loss) [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Other Comprehensive Income (Loss) [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpenseLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liability for Claims and Claims Adjustment Expense [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilityForClaimsAndClaimsAdjustmentExpenseLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liability for Claims and Claims Adjustment Expense [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationsHeldforsaleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operations, Held-for-Sale [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationsHeldforsaleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Discontinued Operations, Held-for-Sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finite-Lived Intangible Asset, Expected Amortization, Year Three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2029</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RealizedGainsLossesOnFinancialInstrumentsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Realized Gains (Losses) On Financial Instruments, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RealizedGainsLossesOnFinancialInstrumentsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">This amount represents the net realized gains (losses) on all fixed-maturities, equity, trading, short-term, and other-invested assets securities, excluding other-than-temporary impairments and net unrealized gains (losses) on financial instruments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RealizedGainsLossesOnFinancialInstrumentsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net realized gains (losses) on investments sold or redeemed</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Income tax provision</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax charge on profit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income Tax Expense (Benefit), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ProceedsFromTheSalesOfInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from sales of:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ProceedsFromTheSalesOfInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From The Sales Of Investments [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ProceedsFromTheSalesOfInvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds From The Sales Of Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Frequency [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Frequency [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other invested assets&#8212;at fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireProductiveAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Additions to property and equipment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireProductiveAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments to Acquire Productive Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Repurchased During Period, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Share repurchases</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodValue_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Shares repurchased under share repurchase program, net of excise tax (Note 14)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InsuranceDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statutory Information</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InsuranceDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Insurance Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostsAndExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CostsAndExpensesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Costs and Expenses [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Net Investment Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investment Income [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Common Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Common Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statutory Accounting Practices, Statutory Capital and Surplus, Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Statutory capital and surplus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statutory policyholders' surplus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ProvisionForLossesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Provision for Losses [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ProvisionForLossesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Provision for Losses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ProvisionForLossesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Provision for losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USStatesAndPoliticalSubdivisionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">State and municipal obligations</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_USStatesAndPoliticalSubdivisionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">US States and Political Subdivisions Debt Securities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByLiabilityClassAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liability Class [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupClassificationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Disposal Group Classification [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupClassificationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group Classification [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BrokerRelationshipsLargeBrokersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Broker Relationships Large Brokers [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BrokerRelationshipsLargeBrokersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Broker Relationships Large Brokers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BrokerRelationshipsLargeBrokersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Broker Relationships Large Brokers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated other comprehensive income (loss) (Note 15)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Other Comprehensive Income (Loss), Net of Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Balance at beginning of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance at beginning of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance at end of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accumulated other comprehensive income (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SupplementaryInsuranceInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_SupplementaryInsuranceInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidationItemsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consolidation Items [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidationItemsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation Items [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfFederalHomeLoanBankBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments of FHLBank Borrowings, Financing Activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfFederalHomeLoanBankBorrowings_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Repayments of FHLB advances (with terms greater than three months)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Other assets and other invested assets, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment for (Proceeds from) Other Investing Activity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceAdjustmentToShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Performance adjustment (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceAdjustmentToShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement By Share-based Payment Award, Performance Adjustment To Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceAdjustmentToShares_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Share-Based Compensation Arrangement By Share-based Payment Award, Performance Adjustment To Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total net gains (losses) on investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Granted (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Shares granted to employees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForProceedsFromShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Short-term investments, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForProceedsFromShortTermInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments for (Proceeds from) Short-Term Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_UpdatesToSignificantAccountingPoliciesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Updates to Significant Accounting Policies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_UpdatesToSignificantAccountingPoliciesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Updates to Significant Accounting Policies [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_UpdatesToSignificantAccountingPoliciesPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Updates to Significant Accounting Policies.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesBeforeReclassificationAdjustmentsTaxAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">OCI, Debt Securities, Available-for-Sale, Gain (Loss), before Adjustment, Tax [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesBeforeReclassificationAdjustmentsTaxAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other comprehensive income (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Consolidated VIE Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Segment assets as of period end</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherMICompaniesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other MI Companies [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherMICompaniesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Includes additional legal entities statutory information. These companies are either not included in PMIERs calculation, no longer have any Risk in Force or are being phased out over time and are not material at this time.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherMICompaniesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Mortgage Insurance Subsidiaries</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Statement [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income Tax Expense (Benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred Income Tax Expense (Benefit), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred income tax provision</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesFvNiRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquitySecuritiesFvNiRealizedGainLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Securities, FV-NI, Realized Gain (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale of Stock, Number of Shares Issued in Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Shares of Radian Group Inc. common stock issued to existing Inigo common stockholders</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnearnedPremiums_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unearned premiums</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnearnedPremiums_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unearned Premiums</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsegmentsConsolidationItemsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Subsegments Consolidation Items [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SubsegmentsConsolidationItemsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Subsegments Consolidation Items [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesFinancingTransactionFairValueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Loaned securities, fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesFinancingTransactionFairValueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loaned securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesFinancingTransactionFairValueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Financing Transaction, Fair Value [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatutoryAccountingPracticesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statutory Accounting Practices [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatutoryAccountingPracticesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statutory Accounting Practices [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Vested (in shares)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Diluted net income per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Diluted net income per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingSegmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating Segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingSegmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Segments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PremiumsAndOtherReceivablesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Premiums and Other Receivables, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PremiumsAndOtherReceivablesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Premiums and other receivables</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PoliciesIssuedPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Policies Issued Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PoliciesIssuedPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Policies issued period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_PoliciesIssuedPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Policies issued period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Dividends and dividend equivalents declared</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends, Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset-backed and mortgage-backed securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total assets held for sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Assets held for sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets held for sale (Note 18)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">City Area Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">City Area Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReinsuranceRetentionPolicyTermOfCoveragePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reinsurance retention policy, term of coverage, period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReinsuranceRetentionPolicyTermOfCoveragePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reinsurance Retention Policy, Term Of Coverage, Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReinsuranceRetentionPolicyTermOfCoveragePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reinsurance Retention Policy, Term Of Coverage, Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInFundsHeldUnderReinsuranceAgreements_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel">Reinsurance funds withheld</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInFundsHeldUnderReinsuranceAgreements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Funds Held under Reinsurance Agreements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionsProFormaRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination, Pro Forma Information, Pro Forma Revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionsProFormaRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total revenues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ceded losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReinsuranceEffectOnClaimsAndBenefitsIncurredAmountCeded_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Policyholder Benefits and Claims Incurred, Ceded</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other comprehensive income (loss), net of tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Net of Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Discontinued Operation, Tax Effect of Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income tax provision (benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_HeldForSaleClassificationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Held For Sale Classification [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_HeldForSaleClassificationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Held for sale classification.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_HeldForSaleClassificationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Held-For-Sale Classification</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_CedingCommissionsEarned_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ceding commissions earned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_CedingCommissionsEarned_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ceding Commissions Earned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_CedingCommissionsEarned_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ceding Commissions Earned</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income (loss) from discontinued operations, net of tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less: Income (loss) from discontinued operations, net of tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum borrowing capacity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessAcquisitionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NetIncomePerShareBasicAndDilutedAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net Income Per Share, Basic and Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NetIncomePerShareBasicAndDilutedAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income Per Share, Basic and Diluted [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NetIncomePerShareBasicAndDilutedAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net income per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherIntangibleAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Intangible Assets [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherIntangibleAssetsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Acquired Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ExcessOfLossLayerDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Excess-of-Loss Layer [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ExcessOfLossLayerDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Excess-of-Loss Layer [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ExcessOfLossLayerDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Excess-of-Loss Layer [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss) from Continuing Operations Available to Common Shareholders, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income from continuing operations basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AuthorizationExpirationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Authorization Expiration Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AuthorizationExpirationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Authorization expiration date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AuthorizationExpirationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Authorization expiration date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherComprehensiveIncomeLossUnrealizedGainsLossesFromInvestmentsRecordedAsAssetsHeldForSaleNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income Loss Unrealized Gains Losses From Investments Recorded As Assets Held For Sale Net Of Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherComprehensiveIncomeLossUnrealizedGainsLossesFromInvestmentsRecordedAsAssetsHeldForSaleNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other comprehensive income loss unrealized gains losses from investments recorded as assets held for sale net of tax.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherComprehensiveIncomeLossUnrealizedGainsLossesFromInvestmentsRecordedAsAssetsHeldForSaleNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net unrealized gains (losses) from investments recorded as assets held for sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherComprehensiveIncomeLossUnrealizedGainsLossesFromInvestmentsRecordedAsAssetsHeldForSaleNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net unrealized gains (losses) from investments recorded as assets held for sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other comprehensive income (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossBeforeTaxPortionAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Profit commission %</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LossRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loss Ratio</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardDateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Award Date [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AwardDateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Award Date [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LetterOfCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Letter of Credit</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LetterOfCreditMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Letter of Credit [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments (Notes 6 and 7)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Property, Plant and Equipment, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Property and equipment net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Prior years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Prior Year Claims and Claims Adjustment Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Prior year development losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusRequired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statutory Accounting Practices, Statutory Capital and Surplus Required</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Cash and restricted cash related to discontinued operations, beginning of period</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income (loss) from discontinued operations, net of tax, diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DisposalGroupIncludingDiscontinuedOperationCash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal Group, Including Discontinued Operation, Cash</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Retained Earnings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EmployeeBenefitsAndShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Salaries and share-based employee expenses</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2027QSRAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">2027 QSR agreement.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ServicePeriodsPriorToTheAcquisitionAndIsIncludedInThePurchaseConsideration_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Service periods prior to the acquisition and is included in the purchase consideration</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net realized gains (losses) on disposals and non-credit related impairment losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Reclassification Adjustment for Non Credit Related Impairments, Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsTax_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other Comprehensive Income (Loss), Reclassification Adjustment for Non Credit Related Impairments, Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AssetBackedAndOtherMortgageBackedSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset-backed and mortgage-backed securities</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AssetBackedAndOtherMortgageBackedSecuritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Asset-backed and Other Mortgage-backed Securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SpecialtySegmentOperatingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Specialty segment operating</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SpecialtySegmentOperatingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Specialty segment operating.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair value, less than 12 months</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SharebasedCompensationArrangementbySharebasedPaymentAwardPostVestingHoldingPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The holding period after the vesting of performance RSUs that were granted to executive officers after which the vested awards will be convertible into shares.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SharebasedCompensationArrangementbySharebasedPaymentAwardPostVestingHoldingPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-based Compensation Arrangement by Share-based Payment Award, Post-Vesting Holding Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_SharebasedCompensationArrangementbySharebasedPaymentAwardPostVestingHoldingPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Post-vesting holding period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupINcludingDiscontinuedOperationRestructuringAndOtherExitCost_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal GroupI ncluding Discontinued Operation Restructuring And Other Exit Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupINcludingDiscontinuedOperationRestructuringAndOtherExitCost_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal group i ncluding discontinued operation restructuring and other exit cost.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_DisposalGroupINcludingDiscontinuedOperationRestructuringAndOtherExitCost_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restructuring and other exit costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level&#160;I</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2023AwardYearMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2023 Award Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2023AwardYearMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">A 2023 Award Year [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2023AwardYearMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">A 2023 Award Year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capital Stock [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2023XOLAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">2023 XOL Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2023XOLAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">2023 XOL Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2023XOLAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">2023 XOL Agreement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided by (used in) financing activities</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EagleRe20212PrimaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Eagle Re 2021-2 Ltd.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EagleRe20212PrimaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Eagle Re 2021-2 Ltd.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EagleRe20212PrimaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Eagle Re 2021-2 (Primary) [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_EagleRe20212PrimaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Eagle Re 2021-2 (Primary)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInAccountingPrincipleAccountingStandardsUpdateAdopted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in Accounting Principle, Accounting Standards Update, Adopted [true false]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankBorrowingsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">FHLB advances, fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalHomeLoanBankBorrowingsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Home Loan Bank Borrowings, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NumberOfAnniversariesOfTheGrantDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Number of Anniversaries of the Grant Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NumberOfAnniversariesOfTheGrantDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Anniversaries of the Grant Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_NumberOfAnniversariesOfTheGrantDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of anniversaries of the grant date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination value of business acquired, accumulated amortization.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Value of Business Acquired, Accumulated Amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationValueOfBusinessAcquiredAccumulatedAmortization_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Total VOBA, accumulated amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income Tax Liabilities, Net</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ExtinguishmentOfDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Extinguishment of Debt, Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesTaxAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeAvailableForSaleSecuritiesTaxAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Less: Reclassification adjustment for net gains (losses) on investments included in net income:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Due after five years through 10 years</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total investments at fair value</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Investments, Fair Value Disclosure, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments with fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sales/ Dispositions</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationIdentifiableIntangibleAssetsTechnology_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination Identifiable Intangible Assets Technology</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationIdentifiableIntangibleAssetsTechnology_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business combination identifiable intangible assets technology</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_BusinessCombinationIdentifiableIntangibleAssetsTechnology_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Technology</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherAdjustmentsToOtherComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other Adjustments to Other Comprehensive Income, Net of Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CededCreditRiskReinsurerDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Ceded Credit Risk, Reinsurer [Domain]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RiskInForce_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Risk In Force</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RiskInForce_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Risk In Force</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_RiskInForce_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Risk In Force</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2025AwardYearMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">A 2025 Award Year [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_A2025AwardYearMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">A 2025 Award Year.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_StatutoryAccountingPracticesRiskInForce_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">RIF</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransferMortgagePayable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Transfer Mortgage Payable</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsMarketableSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Interactive Data Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Interactive Data Current</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ValueOfBusinessAcquiredLiabilityWeightedAverageUsageLifeOfReserves_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Value of business acquired liability weighted average usage life of reserves</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ValueOfBusinessAcquiredLiabilityWeightedAverageUsageLifeOfReserves_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reserves estimated useful life (in years)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosureItemAmountsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Measurement [Domain]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows from operating activities</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Fill-UpPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fill-Up Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_Fill-UpPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fill-up period.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_FlagstarBankMasterRepurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Flagstar Bank Master Repurchase Agreement</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_FlagstarBankMasterRepurchaseAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Flagstar Bank Master Repurchase Agreement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CatastrophicEventDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Catastrophic Event [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net gains (losses) on investments and other finanacial instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockDividendsPerShareDeclared_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, dividends, per share, declared (in usd per share)</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net realized gains (losses) on disposals and non-credit related impairment losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net realized gains (losses) on disposals and non-credit related impairment losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Reclassification Adjustment for Non Credit Related Impairments, Net of Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other Comprehensive Income (Loss), Reclassification Adjustment for Non Credit Related Impairments, Net of Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current borrowing capacity</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Tax Identification Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Tax Identification Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RevenuesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Revenues</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term Debt, Type [Axis]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherInvestmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Investments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTerm_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Term</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Available for sale securities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReinvestedCashCollateralHeldUnderSecuritiesLendingAgreements_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reinvested cash collateral held under securities lending agreements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReinvestedCashCollateralHeldUnderSecuritiesLendingAgreements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reinvested Cash Collateral Held Under Securities Lending Agreements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_ReinvestedCashCollateralHeldUnderSecuritiesLendingAgreements_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reinvested Cash Collateral Held Under Securities Lending Agreements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Deferred policy acquisition costs and VOBA</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net gains (losses) on investments and other finanacial instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Local Phone Number</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Other Comprehensive Income (Loss) [Line Items]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_GainsLossesOnForeignExchange_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Gains (Losses) On Foreign Exchange.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="rdn_AmortizationOfDeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amortization of Deferred Policy Acquisition Costs and Value of Business Acquired</link:label>
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  <xsd:element id="rdn_RiskInForce" name="RiskInForce" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_UnsecuredRevolvingCreditFacilityExpirationDate2026Member" name="UnsecuredRevolvingCreditFacilityExpirationDate2026Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_ScheduleOfLiabilityForUnpaidClaimsAndClaimAdjustmentExpensesBySegmentTableTextBlock" name="ScheduleOfLiabilityForUnpaidClaimsAndClaimAdjustmentExpensesBySegmentTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_Right-Of-UseAssetObtainedInExchangeForOperatingLeaseLiabilityDiscontinuedOperations" name="Right-Of-UseAssetObtainedInExchangeForOperatingLeaseLiabilityDiscontinuedOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_ScheduleOfVIEAssetsTableTextBlock" name="ScheduleOfVIEAssetsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_DisposalGroupIncludingDiscontinuedOperationShortTermBorrowings" name="DisposalGroupIncludingDiscontinuedOperationShortTermBorrowings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_ValueOfBusinessAcquiredAssetWeightedAverageUsageLifeOfUnearnedPremiums" name="ValueOfBusinessAcquiredAssetWeightedAverageUsageLifeOfUnearnedPremiums" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_A2025XOLAgreementMember" name="A2025XOLAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_NonAssetBackedSecurityInvestmentsContractualMaturitiesMember" name="NonAssetBackedSecurityInvestmentsContractualMaturitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_NondeductiblePercentageExciseTaxOnNetValueOfStockRepurchases" name="NondeductiblePercentageExciseTaxOnNetValueOfStockRepurchases" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_A2023AwardYearMember" name="A2023AwardYearMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_FederalHomeLoanBankRatioOfMarketValueOfCollateralToAdvances" name="FederalHomeLoanBankRatioOfMarketValueOfCollateralToAdvances" type="xbrli:pureItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_PayableForSecurities" name="PayableForSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_SpecialtySegmentOperatingMember" name="SpecialtySegmentOperatingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_BasisofPresentationandBusinessOverviewLineItems" name="BasisofPresentationandBusinessOverviewLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_A2023QSRAgreementMember" name="A2023QSRAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_EagleRe20201PrimaryMember" name="EagleRe20201PrimaryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_A2020SinglePremiumQSRMember" name="A2020SinglePremiumQSRMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_BMOMasterRepurchaseAgreementMember" name="BMOMasterRepurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_PrivateMortgageInsuranceProtectsLendersForRefinancingsMadeToHomeBuyersWithLessThanThisMaximumEquityOwnershipPercentage" name="PrivateMortgageInsuranceProtectsLendersForRefinancingsMadeToHomeBuyersWithLessThanThisMaximumEquityOwnershipPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rdn_ExcessofLossProgramAxis" name="ExcessofLossProgramAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_BusinessCombinationRecognizedLiabilityAssumedUnearnedPremiums" name="BusinessCombinationRecognizedLiabilityAssumedUnearnedPremiums" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_HeldForSaleClassificationPolicyTextBlock" name="HeldForSaleClassificationPolicyTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_EagleRe20212PrimaryMember" name="EagleRe20212PrimaryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_BusinessCombinationValueOfBusinessAcquiredLiabilityReserves" name="BusinessCombinationValueOfBusinessAcquiredLiabilityReserves" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_BusinessCombinationValueOfBusinessAcquiredNet" name="BusinessCombinationValueOfBusinessAcquiredNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_DisposalGroupIncludingDiscontinuedOperationRestructuringAndOtherExitCosts" name="DisposalGroupIncludingDiscontinuedOperationRestructuringAndOtherExitCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_OtherInvestedAssetsMember" name="OtherInvestedAssetsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_PoliciesIssuedPeriod" name="PoliciesIssuedPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_OtherAssetsAndLiabilitiesAbstract" name="OtherAssetsAndLiabilitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_OtherComprehensiveIncomeLossUnrealizedGainsLossesFromInvestmentsRecordedAsAssetsHeldForSaleTax" name="OtherComprehensiveIncomeLossUnrealizedGainsLossesFromInvestmentsRecordedAsAssetsHeldForSaleTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_UnsecuredRevolvingCreditFacilityMaturityDateNovember2030Member" name="UnsecuredRevolvingCreditFacilityMaturityDateNovember2030Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_PayableUnderSecuritiesLendingAgreements" name="PayableUnderSecuritiesLendingAgreements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_RealizedGainsLossesOnFinancialInstrumentsNet" name="RealizedGainsLossesOnFinancialInstrumentsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_AcquisitionRelatedExpensesAndOtherNonOperatingItems" name="AcquisitionRelatedExpensesAndOtherNonOperatingItems" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_CedingCommissionsEarned" name="CedingCommissionsEarned" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_ReinsuranceRecoverablesPaidLosses" name="ReinsuranceRecoverablesPaidLosses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_StatutoryUnassignedPositiveNegativeSurplus" name="StatutoryUnassignedPositiveNegativeSurplus" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_RestrictedNetAssetsHeldByConsolidatedSubsidiaries" name="RestrictedNetAssetsHeldByConsolidatedSubsidiaries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_MortgageSegmentOperatingMember" name="MortgageSegmentOperatingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_IncomeTaxesDisclosureLineItems" name="IncomeTaxesDisclosureLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_ProceedsFromCreditFacilityBorrowings" name="ProceedsFromCreditFacilityBorrowings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_BusinessCombinationPreliminaryAllocationToGoodwill" name="BusinessCombinationPreliminaryAllocationToGoodwill" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_OtherNon-PersonnelOperatingExpenses" name="OtherNon-PersonnelOperatingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_MortgageFinancingFacilitiesFairValue" name="MortgageFinancingFacilitiesFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_ReinsuranceRetentionPolicyTermOfCoveragePeriod" name="ReinsuranceRetentionPolicyTermOfCoveragePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_BusinessOverviewAbstract" name="BusinessOverviewAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedLossBeforeTaxIncludingLoanedSecurities" name="DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedLossBeforeTaxIncludingLoanedSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_ScheduleOfSinglePremiumQuotaShareReinsuranceProgramDetailsTableTextBlock" name="ScheduleOfSinglePremiumQuotaShareReinsuranceProgramDetailsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_BusinessCombinationIdentifiableIntangibleAssetsBrokerRelationshipsLargeCustomers" name="BusinessCombinationIdentifiableIntangibleAssetsBrokerRelationshipsLargeCustomers" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_ConsiderationOfRadianGroupINCIssuedCommonStock" name="ConsiderationOfRadianGroupINCIssuedCommonStock" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_ExcessofLossLayerAxis" name="ExcessofLossLayerAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_DisposalGroupIncludingDiscontinuedOperationShortTermInvestmentsAtFairValue" name="DisposalGroupIncludingDiscontinuedOperationShortTermInvestmentsAtFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_BusinessCombinationRecognizedAssetAcquiredValueOfBusinessAcquiredIdentifiableIntangibleAsset" name="BusinessCombinationRecognizedAssetAcquiredValueOfBusinessAcquiredIdentifiableIntangibleAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_PerformanceBasedRSUsEquitySettledMember" name="PerformanceBasedRSUsEquitySettledMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_A2026QSRAgreementMember" name="A2026QSRAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_LetterOfCreditFeesMember" name="LetterOfCreditFeesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_OtherAdjustmentsToOtherComprehensiveIncomeTax" name="OtherAdjustmentsToOtherComprehensiveIncomeTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_ExcessofLossProgramMember" name="ExcessofLossProgramMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_SeniorNotesDue2027Member" name="SeniorNotesDue2027Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_MortgageServicingRightsMember" name="MortgageServicingRightsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_DisposalGroupIncludingDiscontinuedOperationInvestmentsAbstract" name="DisposalGroupIncludingDiscontinuedOperationInvestmentsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_BusinessCombinationRecognizedAssetAcquiredGoodwillAndIdentifiableLivedIntangibleAssetAccumulatedAmortization" name="BusinessCombinationRecognizedAssetAcquiredGoodwillAndIdentifiableLivedIntangibleAssetAccumulatedAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_MortgageFinancingFacilities" name="MortgageFinancingFacilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_NumberOfOutstandingShareRepurchaseAuthorizations" name="NumberOfOutstandingShareRepurchaseAuthorizations" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rdn_FederalHomeLoanBankAdvancesDue2026Member" name="FederalHomeLoanBankAdvancesDue2026Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceAdjustmentToSharesWeightedAverageGrantDateFairValue" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceAdjustmentToSharesWeightedAverageGrantDateFairValue" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_QsrEffectiveDate" name="QsrEffectiveDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_BusinessCombinationProFormaStatementOfOperationsTableTextBlock" name="BusinessCombinationProFormaStatementOfOperationsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_BusinessCombinationValueOfBusinessAcquiredAccumulatedAmortization" name="BusinessCombinationValueOfBusinessAcquiredAccumulatedAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_IncomeTaxesPaidNetFromDiscontinuedOperations" name="IncomeTaxesPaidNetFromDiscontinuedOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_SpecialtyInsuranceSegmentMember" name="SpecialtyInsuranceSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_EffectivePeriodAfterNIWPolicyEndDate" name="EffectivePeriodAfterNIWPolicyEndDate" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_NumberOfAnniversariesOfTheGrantDate" name="NumberOfAnniversariesOfTheGrantDate" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rdn_ScheduleOfCollateralizedReinsuranceAgreementsTableTextBlock" name="ScheduleOfCollateralizedReinsuranceAgreementsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_BusinessCombinationRecognizedAssetAcquiredGoodwillAndIdentifiableLivedIntangibleAssetGross" name="BusinessCombinationRecognizedAssetAcquiredGoodwillAndIdentifiableLivedIntangibleAssetGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_SecuritiesTradingRealizedGainLoss" name="SecuritiesTradingRealizedGainLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_ReinvestedCashCollateralHeldUnderSecuritiesLendingAgreements" name="ReinvestedCashCollateralHeldUnderSecuritiesLendingAgreements" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_DisposalGroupIncludingDiscontinuedOperationResidentialMortgageLoansHeldForSaleAtFairValue" name="DisposalGroupIncludingDiscontinuedOperationResidentialMortgageLoansHeldForSaleAtFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_OtherAdjustmentsToOtherComprehensiveIncomeNetOfTax" name="OtherAdjustmentsToOtherComprehensiveIncomeNetOfTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_DisposalGroupIncludingDiscontinuedOperationCostOfServices" name="DisposalGroupIncludingDiscontinuedOperationCostOfServices" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_ExcessOfLossProgramDomain" name="ExcessOfLossProgramDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsAssetsAndLiabilitiesHeldForSaleTableTextBlock" name="ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsAssetsAndLiabilitiesHeldForSaleTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_TaxAndLicenseFeesPayable1" name="TaxAndLicenseFeesPayable1" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_EdwardJHoffmanMember" name="EdwardJHoffmanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_TotalDebtSecuritiesLineItems" name="TotalDebtSecuritiesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_ReinsuranceAgreementOptionalRightPercentOfReinsuranceCoverageThreshold" name="ReinsuranceAgreementOptionalRightPercentOfReinsuranceCoverageThreshold" type="xbrli:pureItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_SeniorNotesDue2024Member" name="SeniorNotesDue2024Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_GainLossOnOtherFinancialInstruments" name="GainLossOnOtherFinancialInstruments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_FairValueOfTheReplacementEquityAwards" name="FairValueOfTheReplacementEquityAwards" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_DisposalGroupIncludingDiscontinuedOperationNetInvestmentIncome" name="DisposalGroupIncludingDiscontinuedOperationNetInvestmentIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_NewInsuranceWrittenPolicyDates" name="NewInsuranceWrittenPolicyDates" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_TimedVestedRSUsEquitySettledMember" name="TimedVestedRSUsEquitySettledMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_DisposalGroupIncludingDiscontinuedOperationOtherIncomeLoss" name="DisposalGroupIncludingDiscontinuedOperationOtherIncomeLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_RadianGuarantyMember" name="RadianGuarantyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_AuthorizationExpirationDate" name="AuthorizationExpirationDate" type="xbrli:gYearMonthItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rdn_BrokerRelationshipsLargeBrokersMember" name="BrokerRelationshipsLargeBrokersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_MinimumPolicyholdersSurplusBalanceToBeMaintained" name="MinimumPolicyholdersSurplusBalanceToBeMaintained" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_Finite-LivedIntangibleAssetsAcquiredPresentValueOfExpectedUnderwritingProfit" name="Finite-LivedIntangibleAssetsAcquiredPresentValueOfExpectedUnderwritingProfit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeLossStatementTableTextBlock" name="ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeLossStatementTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_Short-TermFHLBAdvancesEstimatedFairValue" name="Short-TermFHLBAdvancesEstimatedFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_BusinessCombinationValueOfBusinessAcquiredAssetUnearnedPremiumsNet" name="BusinessCombinationValueOfBusinessAcquiredAssetUnearnedPremiumsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_ScheduleOfInvestmentMaturitiesTable" name="ScheduleOfInvestmentMaturitiesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_NumberOfQuotaShareReinsuranceArrangements" name="NumberOfQuotaShareReinsuranceArrangements" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_DisposalGroupIncludingDiscontinuedOperationAccruedInvestmentIncome" name="DisposalGroupIncludingDiscontinuedOperationAccruedInvestmentIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_RichardGThornberryMember" name="RichardGThornberryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_Long-TermSeniorNotesEstimatedFairValue" name="Long-TermSeniorNotesEstimatedFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_MasterRepurchaseAgreementsMember" name="MasterRepurchaseAgreementsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_ProceedsFromRepaymentsOfCashCollateralForLoanedSecurities" name="ProceedsFromRepaymentsOfCashCollateralForLoanedSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_OtherComprehensiveIncomeLossUnrealizedGainsLossesFromInvestmentsRecordedAsAssetsHeldForSaleNetOfTax" name="OtherComprehensiveIncomeLossUnrealizedGainsLossesFromInvestmentsRecordedAsAssetsHeldForSaleNetOfTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_NetValueOfBusinessAcquiredBalanceExpectedToAmortizePeriod" name="NetValueOfBusinessAcquiredBalanceExpectedToAmortizePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_DefaultToClaimRateEstimateGrossForNewDefaults" name="DefaultToClaimRateEstimateGrossForNewDefaults" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rdn_OptionalTerminationDate" name="OptionalTerminationDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_AmortizationOfDeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired" name="AmortizationOfDeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_NetUnrealizedGainsLossesFromInvestmentsRecordedAsAssetsHeldForSale" name="NetUnrealizedGainsLossesFromInvestmentsRecordedAsAssetsHeldForSale" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_AccruedInvestmentIncome" name="AccruedInvestmentIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_NewPrimaryDefaults" name="NewPrimaryDefaults" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_RiskToCapitalRatioRegulatoryMaximum" name="RiskToCapitalRatioRegulatoryMaximum" type="xbrli:pureItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rdn_GoldmanSachsMasterRepurchaseAgreementMember" name="GoldmanSachsMasterRepurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_BusinessCombinationRecognizedAssetAcquiredGoodwillAndIdentifiableLivedIntangibleAssetNet" name="BusinessCombinationRecognizedAssetAcquiredGoodwillAndIdentifiableLivedIntangibleAssetNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_ShareRepurchaseAuthorizationExpirationMonthAndYear" name="ShareRepurchaseAuthorizationExpirationMonthAndYear" type="xbrli:gYearMonthItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rdn_BrandMember" name="BrandMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_ProvisionForLossesMember" name="ProvisionForLossesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_XOLFirstLayerMember" name="XOLFirstLayerMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_SeniorNotesDue2029Member" name="SeniorNotesDue2029Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_StatutoryAccountingPracticesStatutoryCapitalAndSurplusTableTextBlock" name="StatutoryAccountingPracticesStatutoryCapitalAndSurplusTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_BusinessCombinationRecognizedAssetAcquiredReinsuranceRecoverables" name="BusinessCombinationRecognizedAssetAcquiredReinsuranceRecoverables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_DisposalGroupIncludingDiscontinuedOperationPremiumsAndOtherReceivables" name="DisposalGroupIncludingDiscontinuedOperationPremiumsAndOtherReceivables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_AvailableForSaleDebtSecuritiesAmortizedCostBasisIncludingLoanedSecurities" name="AvailableForSaleDebtSecuritiesAmortizedCostBasisIncludingLoanedSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_ScheduleOfProvisionForLossesTableTextBlock" name="ScheduleOfProvisionForLossesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_BusinessCombinationIdentifiableIntangibleAssetsBrokerRelationshipsOtherCustomers" name="BusinessCombinationIdentifiableIntangibleAssetsBrokerRelationshipsOtherCustomers" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_RadianTitleInsuranceMember" name="RadianTitleInsuranceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_ShareBasedPaymentArrangementNetOfSharesWithheldForTaxWithholdingObligation" name="ShareBasedPaymentArrangementNetOfSharesWithheldForTaxWithholdingObligation" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_RiskInForceCededAmount" name="RiskInForceCededAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_Long-TermFHLBAdvancesCarryingAmount" name="Long-TermFHLBAdvancesCarryingAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_CedingCommissions" name="CedingCommissions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsRestrictedCash" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsRestrictedCash" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_FixedMaturitiesTradingSecuritiesMember" name="FixedMaturitiesTradingSecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_DisposalGroupIncludingDiscontinuedOperationIncomeLossOnConsolidatedVariableInterestEntities" name="DisposalGroupIncludingDiscontinuedOperationIncomeLossOnConsolidatedVariableInterestEntities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_SpecialtySegmentMember" name="SpecialtySegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_A2016SinglePremiumQSRTransactionMember" name="A2016SinglePremiumQSRTransactionMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_Long-TermSeniorNotesCarryingAmount" name="Long-TermSeniorNotesCarryingAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceAdjustmentToShares" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceAdjustmentToShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_DisposalGroupIncludingDiscontinuedOperationNetPremiumsEarned" name="DisposalGroupIncludingDiscontinuedOperationNetPremiumsEarned" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_GainLossOnFinancialInstrumentsAndForeignExchange" name="GainLossOnFinancialInstrumentsAndForeignExchange" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_Fill-UpPeriod" name="Fill-UpPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_IncomeTaxesPaidNetFromContinuingOperations" name="IncomeTaxesPaidNetFromContinuingOperations" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_ExcessOfLossLayerDomain" name="ExcessOfLossLayerDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_Short-TermFHLBAdvancesCarryingAmount" name="Short-TermFHLBAdvancesCarryingAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_PercentageOfExpectedToCede" name="PercentageOfExpectedToCede" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_IndefiniteLivedIntangibleAssetsPurchaseAccountingAdjustmentsAndAmortizationOfIntangibles" name="IndefiniteLivedIntangibleAssetsPurchaseAccountingAdjustmentsAndAmortizationOfIntangibles" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_BusinessCombinationValueOfBusinessAcquiredAssetUnearnedPremiums" name="BusinessCombinationValueOfBusinessAcquiredAssetUnearnedPremiums" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" name="FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_EverbankMasterRepurchaseAgreementMember" name="EverbankMasterRepurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_OrganizationConsolidationandPresentationTable" name="OrganizationConsolidationandPresentationTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_TradingSecuritiesMember" name="TradingSecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_FirstLienPrimaryMortgageInsuranceRiskInForceCeded" name="FirstLienPrimaryMortgageInsuranceRiskInForceCeded" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_A2026And2027QSRAgreementMember" name="A2026And2027QSRAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_LloydsSyndicateCapacityAndRelatedRightsMember" name="LloydsSyndicateCapacityAndRelatedRightsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_ExpenseRatio" name="ExpenseRatio" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_ValueOfBusinessAcquiredLiabilityWeightedAverageUsageLifeOfReserves" name="ValueOfBusinessAcquiredLiabilityWeightedAverageUsageLifeOfReserves" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_EagleRe20211PrimaryMember" name="EagleRe20211PrimaryMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_FederalHomeLoanBankAdvancesDue2027Member" name="FederalHomeLoanBankAdvancesDue2027Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_MortgageInsuranceSegmentMember" name="MortgageInsuranceSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_BusinessCombinationConsiderationTransferredCashConsideration" name="BusinessCombinationConsiderationTransferredCashConsideration" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_BusinessCombinationIdentifiableIntangibleAssetsOtherAcquiredIntangibleAssets" name="BusinessCombinationIdentifiableIntangibleAssetsOtherAcquiredIntangibleAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_SeniorNotesDue2025Member" name="SeniorNotesDue2025Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_BusinessCombinationValueOfBusinessAcquiredLiabilityReservesNet" name="BusinessCombinationValueOfBusinessAcquiredLiabilityReservesNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_NetIncomePerShareBasicAndDilutedAbstract" name="NetIncomePerShareBasicAndDilutedAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_StatutoryAccountingPracticesRiskInForce" name="StatutoryAccountingPracticesRiskInForce" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_ValueOfBusinessAcquiredAssetAmortization" name="ValueOfBusinessAcquiredAssetAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_Short-TermSeniorNotesEstimatedFairValue" name="Short-TermSeniorNotesEstimatedFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_ScheduledTerminationDate" name="ScheduledTerminationDate" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_StatutorySurplusBalance" name="StatutorySurplusBalance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_TotalOf3Q191Q20And3Q21RepurchaseProgramsMember" name="TotalOf3Q191Q20And3Q21RepurchaseProgramsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_BusinessCombinationIdentifiableIntangibleAssetsBrand" name="BusinessCombinationIdentifiableIntangibleAssetsBrand" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_ILNInvestorsDomain" name="ILNInvestorsDomain" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_BusinessCombinationRecognizedAssetAcquiredAccruedInvestmentIncome" name="BusinessCombinationRecognizedAssetAcquiredAccruedInvestmentIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_LisaWHessMember" name="LisaWHessMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_DisposalGroupIncludingDiscontinuedOperationRestrictedCash" name="DisposalGroupIncludingDiscontinuedOperationRestrictedCash" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_BusinessCombinationRecognizedAssetAcquiredIdentifiableGoodwillAndOtherIntangibleAsset" name="BusinessCombinationRecognizedAssetAcquiredIdentifiableGoodwillAndOtherIntangibleAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_DisposalGroupINcludingDiscontinuedOperationRestructuringAndOtherExitCost" name="DisposalGroupINcludingDiscontinuedOperationRestructuringAndOtherExitCost" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_BusinessCombinationIdentifiableIntangibleAssetsLloydsSyndicateCapacityAndRelatedRights" name="BusinessCombinationIdentifiableIntangibleAssetsLloydsSyndicateCapacityAndRelatedRights" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_FlagstarBankMasterRepurchaseAgreementMember" name="FlagstarBankMasterRepurchaseAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_ProceedsFromTheSalesOfInvestmentsAbstract" name="ProceedsFromTheSalesOfInvestmentsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_ChangeinUnrealizedHoldingGainLoss" name="ChangeinUnrealizedHoldingGainLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_FixedMaturitiesAFSAndTradingSecuritiesMember" name="FixedMaturitiesAFSAndTradingSecuritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_ProceedsAndRepaymentsOfFHLBankBorrowingsNetFinancingActivities" name="ProceedsAndRepaymentsOfFHLBankBorrowingsNetFinancingActivities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_Short-TermSeniorNotesCarryingAmount" name="Short-TermSeniorNotesCarryingAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_OtherPurchaseAccountingAdjustmentsNet" name="OtherPurchaseAccountingAdjustmentsNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_OtherMICompaniesMember" name="OtherMICompaniesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_ProceedsFromIntercompanyNotesBorrowings" name="ProceedsFromIntercompanyNotesBorrowings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_DisposalGroupIncludingDiscontinuedOperationInvestmentsAvailableForSaleAtFairValue" name="DisposalGroupIncludingDiscontinuedOperationInvestmentsAvailableForSaleAtFairValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_DisposalGroupIncludingDiscontinuedOperationExpensesAbstract" name="DisposalGroupIncludingDiscontinuedOperationExpensesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_ExpectedProceedsFromIntercompanyNotesBorrowings" name="ExpectedProceedsFromIntercompanyNotesBorrowings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsTax" name="OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_A2025QSRAgreementMember" name="A2025QSRAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_OtherAssetsAndLiabilitiesDisclosureTextBlock" name="OtherAssetsAndLiabilitiesDisclosureTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_UnrealizedGainsLossesOnInvestmentsAbstract" name="UnrealizedGainsLossesOnInvestmentsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_BusinessCombinationValueOfBusinessAcquiredLiabilityReservesAccumulatedAmortization" name="BusinessCombinationValueOfBusinessAcquiredLiabilityReservesAccumulatedAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_DisposalGroupIncludingDiscontinuedOperationNetGainsLossesOnInvestmentsAndForeignExchange" name="DisposalGroupIncludingDiscontinuedOperationNetGainsLossesOnInvestmentsAndForeignExchange" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_ValueOfBusinessAcquiredLiabilityAmortization" name="ValueOfBusinessAcquiredLiabilityAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_BusinessCombinationIdentifiableIntangibleAssetsTechnology" name="BusinessCombinationIdentifiableIntangibleAssetsTechnology" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_RepaymentsOfSecuritizedNonrecourseDebt" name="RepaymentsOfSecuritizedNonrecourseDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_BusinessCombinationRecognizedAssetAcquiredIdentifiableGoodwillAndOtherIntangibleAssetsAccumulatedAmortization" name="BusinessCombinationRecognizedAssetAcquiredIdentifiableGoodwillAndOtherIntangibleAssetsAccumulatedAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_OtherInvestmentsChangeinUnrealizedHoldingGainLoss" name="OtherInvestmentsChangeinUnrealizedHoldingGainLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_BusinessCombinationRecognizedAssetAcquiredIdentifiableIntangibleAssetFinite-LivedGross" name="BusinessCombinationRecognizedAssetAcquiredIdentifiableIntangibleAssetFinite-LivedGross" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_GainsLossesOnForeignExchange" name="GainsLossesOnForeignExchange" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_BrokerRelationshipsOtherBrokersMember" name="BrokerRelationshipsOtherBrokersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_BusinessCombinationRecognizedAssetAcquiredValueOfBusinessAcquired" name="BusinessCombinationRecognizedAssetAcquiredValueOfBusinessAcquired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_AvailableForSaleSecuritiesDebtSecuritiesIncludingLoanedSecurities" name="AvailableForSaleSecuritiesDebtSecuritiesIncludingLoanedSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_BusinessCombinationRecognizedLiabilityAssumedReserveForLossesAndLossAdjustmentExpenses" name="BusinessCombinationRecognizedLiabilityAssumedReserveForLossesAndLossAdjustmentExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_CededInsuranceCommissionPercentage" name="CededInsuranceCommissionPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_A2018SinglePremiumQSRMember" name="A2018SinglePremiumQSRMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_A2023XOLAgreementMember" name="A2023XOLAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_DisposalGroupIncludingDiscontinuedOperationRevenuesAbstract" name="DisposalGroupIncludingDiscontinuedOperationRevenuesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_NewQSRAgreementMember" name="NewQSRAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_OtherNon-EmployeeOperatingExpenses" name="OtherNon-EmployeeOperatingExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_A2025AwardYearMember" name="A2025AwardYearMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_A2024QSRAgreementMember" name="A2024QSRAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_OtherFixedMaturitiesMember" name="OtherFixedMaturitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_OtherComprehensiveIncomeLossUnrealizedGainsLossesFromInvestmentsRecordedAsAssetsHeldForSaleBeforeTax" name="OtherComprehensiveIncomeLossUnrealizedGainsLossesFromInvestmentsRecordedAsAssetsHeldForSaleBeforeTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_PercentageChangeInNumberOfNewPrimaryDefaultNotices" name="PercentageChangeInNumberOfNewPrimaryDefaultNotices" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_BusinessCombinationValueOfBusinessAcquiredAssetUnearnedPremiumsAccumulatedAmortization" name="BusinessCombinationValueOfBusinessAcquiredAssetUnearnedPremiumsAccumulatedAmortization" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_VOBAIntangibleAssetMember" name="VOBAIntangibleAssetMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_DisposalGroupIncludingDiscontinuedOperationNetAssetsAndLiabilitiesHeldForSale" name="DisposalGroupIncludingDiscontinuedOperationNetAssetsAndLiabilitiesHeldForSale" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_InigoLimitedMember" name="InigoLimitedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_PrimaryMortgageProductMember" name="PrimaryMortgageProductMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_DisposalGroupIncludingDiscontinuedOperationServicesRevenue" name="DisposalGroupIncludingDiscontinuedOperationServicesRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_BusinessCombinationConsolidatedFinancialStatementsTableTextBlock" name="BusinessCombinationConsolidatedFinancialStatementsTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_NetGainsLossesOnFinancialInstrumentsAndForeignExchange" name="NetGainsLossesOnFinancialInstrumentsAndForeignExchange" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_BusinessCombinationRecognizedAssetAcquiredIdentifiableGoodwillAndOtherIntangibleAssetNet" name="BusinessCombinationRecognizedAssetAcquiredIdentifiableGoodwillAndOtherIntangibleAssetNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_MaximumAnnualProfitCommissionPercentage" name="MaximumAnnualProfitCommissionPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_RecoverableForTaxes" name="RecoverableForTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_ILNInvestorsAxis" name="ILNInvestorsAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_ReinsurancePercentageOfPoliciesCededToReinsurer" name="ReinsurancePercentageOfPoliciesCededToReinsurer" type="xbrli:pureItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="rdn_AOCIAttributableToParentBeforeTaxRollForward" name="AOCIAttributableToParentBeforeTaxRollForward" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_DisposalGroupIncludingDiscontinuedOperationOtherBorrowings" name="DisposalGroupIncludingDiscontinuedOperationOtherBorrowings" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsNetOfTax" name="OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsNetOfTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_ProceedsFromTheRedemptionOfInvestmentsAbstract" name="ProceedsFromTheRedemptionOfInvestmentsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_TermOfAgreement" name="TermOfAgreement" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_PerformanceBasedRSUsMember" name="PerformanceBasedRSUsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_ScheduleOfEstimatedAmortizationOfFiniteLivedOtherIntangibleAssetsAndValueOfBusinessAcquiredTableTextBlock" name="ScheduleOfEstimatedAmortizationOfFiniteLivedOtherIntangibleAssetsAndValueOfBusinessAcquiredTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_IncreaseDecreaseInGoodwillAndIntangibleAssets" name="IncreaseDecreaseInGoodwillAndIntangibleAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainBeforeTaxIncludingLoanedSecurities" name="DebtSecuritiesAvailableForSaleAccumulatedGrossUnrealizedGainBeforeTaxIncludingLoanedSecurities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_IncomeTaxesDisclosureTable" name="IncomeTaxesDisclosureTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_DisposalGroupIncludingDiscontinuedOperationExpenses" name="DisposalGroupIncludingDiscontinuedOperationExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_OtherAdjustmentsToOtherComprehensiveIncomeBeforeTax" name="OtherAdjustmentsToOtherComprehensiveIncomeBeforeTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_TechnologyMember" name="TechnologyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsBeforeTax" name="OtherComprehensiveIncomeLossReclassificationAdjustmentForNonCreditRelatedImpairmentsBeforeTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="rdn_ShareBasedCompensationPayoutPercentageOfTargetAward" name="ShareBasedCompensationPayoutPercentageOfTargetAward" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_RadianGroupInc.Member" name="RadianGroupInc.Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_ScheduleOfGoodwillIntangibleAssetsAndValueOfBusinessAcquiredTableTextBlock" name="ScheduleOfGoodwillIntangibleAssetsAndValueOfBusinessAcquiredTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_A2027QSRAgreementMember" name="A2027QSRAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_ReinsuranceAgreementRightToTerminateOptionCallDatePeriodAfterIssuanceOfInsuranceLinkedNotes" name="ReinsuranceAgreementRightToTerminateOptionCallDatePeriodAfterIssuanceOfInsuranceLinkedNotes" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="rdn_LineOfCreditFacilityIncreaseCommittedBorrowingCapacity" name="LineOfCreditFacilityIncreaseCommittedBorrowingCapacity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="rdn_A2022QSRAgreementMember" name="A2022QSRAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="rdn_LiabilityForClaimsAndClaimsAdjustmentExpenseAndValueOfBusinessAcquired" name="LiabilityForClaimsAndClaimsAdjustmentExpenseAndValueOfBusinessAcquired" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
</xsd:schema>
