10-Q Filing

MGIC INVESTMENT CORP CIK: 876437 Q3 2025

Filing Information

Form Type	10-Q
Accession Number	`0000876437-25-000127`
Period End Date	20250930
Filing Date	20251029
Fiscal Year	2025
Fiscal Period	Q3
XBRL Instance	mtg-20250930_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 146 Income Statement 176 Cash Flow Statement 128 Stockholders Equity 32 Comprehensive Income 40

Balance Sheet 146 line items

Line Item	Tag	Value	Unit	Period
Fixed maturities, amortized cost	`AvailableForSaleDebtSecuritiesAmortizedCostBasis`	$6.18B	USD	Point-in-time
Fixed maturities, amortized cost	`AvailableForSaleDebtSecuritiesAmortizedCostBasis`	$6.18B	USD	Point-in-time
Fixed maturities, amortized cost	`AvailableForSaleDebtSecuritiesAmortizedCostBasis`	$6.04B	USD	Point-in-time
Fixed maturities, amortized cost	`AvailableForSaleDebtSecuritiesAmortizedCostBasis`	$6.04B	USD	Point-in-time
Cost	`EquitySecuritiesFvNiCost`	$16.15M	USD	Point-in-time
Cost	`EquitySecuritiesFvNiCost`	$16.15M	USD	Point-in-time
Cost	`EquitySecuritiesFvNiCost`	$16.25M	USD	Point-in-time
Cost	`EquitySecuritiesFvNiCost`	$16.25M	USD	Point-in-time
Fixed income available-for-sale	`AvailableForSaleSecuritiesDebtSecurities`	$5.85B	USD	Point-in-time
Fixed income available-for-sale	`AvailableForSaleSecuritiesDebtSecurities`	$5.85B	USD	Point-in-time
Fixed income available-for-sale	`AvailableForSaleSecuritiesDebtSecurities`	$5.87B	USD	Point-in-time
Fixed income available-for-sale	`AvailableForSaleSecuritiesDebtSecurities`	$5.87B	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	1.00B	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	1.00B	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	1.00B	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	1.00B	shares	Point-in-time
Equity securities, at fair value (cost 2025 - $16,250; 2024 - $16,146)	`EquitySecuritiesFvNi`	$14.76M	USD	Point-in-time
Equity securities, at fair value (cost 2025 - $16,250; 2024 - $16,146)	`EquitySecuritiesFvNi`	$14.76M	USD	Point-in-time
Equity securities, at fair value (cost 2025 - $16,250; 2024 - $16,146)	`EquitySecuritiesFvNi`	$15.29M	USD	Point-in-time
Equity securities, at fair value (cost 2025 - $16,250; 2024 - $16,146)	`EquitySecuritiesFvNi`	$15.29M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	248.45M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	248.45M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	226.16M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	226.16M	shares	Point-in-time
Other invested assets, at cost	`OtherInvestments`	$1.11M	USD	Point-in-time
Other invested assets, at cost	`OtherInvestments`	$1.11M	USD	Point-in-time
Other invested assets, at cost	`OtherInvestments`	$1.11M	USD	Point-in-time
Other invested assets, at cost	`OtherInvestments`	$1.11M	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	248.45M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	248.45M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	226.16M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	226.16M	shares	Point-in-time
Total investment portfolio	`Investments`	$5.87B	USD	Point-in-time
Total investment portfolio	`Investments`	$5.87B	USD	Point-in-time
Total investment portfolio	`Investments`	$5.88B	USD	Point-in-time
Total investment portfolio	`Investments`	$5.88B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$229.49M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$229.49M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$266.90M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$266.90M	USD	Point-in-time
Restricted cash and cash equivalents	`RestrictedCashAndCashEquivalents`	$5.14M	USD	Point-in-time
Restricted cash and cash equivalents	`RestrictedCashAndCashEquivalents`	$5.14M	USD	Point-in-time
Restricted cash and cash equivalents	`RestrictedCashAndCashEquivalents`	$4.89M	USD	Point-in-time
Restricted cash and cash equivalents	`RestrictedCashAndCashEquivalents`	$4.89M	USD	Point-in-time
Accrued investment income	`AccruedInvestmentIncomeReceivable`	$61.06M	USD	Point-in-time
Accrued investment income	`AccruedInvestmentIncomeReceivable`	$61.06M	USD	Point-in-time
Accrued investment income	`AccruedInvestmentIncomeReceivable`	$56.69M	USD	Point-in-time
Accrued investment income	`AccruedInvestmentIncomeReceivable`	$56.69M	USD	Point-in-time
Reinsurance recoverable on loss reserves	`ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments`	$33.30M	USD	Point-in-time
Reinsurance recoverable on loss reserves	`ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments`	$33.30M	USD	Point-in-time
Reinsurance recoverable on loss reserves	`ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments`	$45.33M	USD	Point-in-time
Reinsurance recoverable on loss reserves	`ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments`	$45.33M	USD	Point-in-time
Reinsurance recoverable on loss reserves	`ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments`	$47.28M	USD	Point-in-time
Reinsurance recoverable on loss reserves	`ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments`	$47.28M	USD	Point-in-time
Reinsurance recoverable on loss reserves	`ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments`	$57.56M	USD	Point-in-time
Reinsurance recoverable on loss reserves	`ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments`	$57.56M	USD	Point-in-time
Reinsurance recoverable on paid losses	`ReinsuranceRecoverablesOnPaidLosses`	$4.20M	USD	Point-in-time
Reinsurance recoverable on paid losses	`ReinsuranceRecoverablesOnPaidLosses`	$4.20M	USD	Point-in-time
Reinsurance recoverable on paid losses	`ReinsuranceRecoverablesOnPaidLosses`	$2.35M	USD	Point-in-time
Reinsurance recoverable on paid losses	`ReinsuranceRecoverablesOnPaidLosses`	$2.35M	USD	Point-in-time
Premiums receivable	`PremiumsReceivableAtCarryingValue`	$57.54M	USD	Point-in-time
Premiums receivable	`PremiumsReceivableAtCarryingValue`	$57.54M	USD	Point-in-time
Premiums receivable	`PremiumsReceivableAtCarryingValue`	$56.53M	USD	Point-in-time
Premiums receivable	`PremiumsReceivableAtCarryingValue`	$56.53M	USD	Point-in-time
Home office and equipment, net	`PropertyPlantAndEquipmentNet`	$35.68M	USD	Point-in-time
Home office and equipment, net	`PropertyPlantAndEquipmentNet`	$35.68M	USD	Point-in-time
Home office and equipment, net	`PropertyPlantAndEquipmentNet`	$32.74M	USD	Point-in-time
Home office and equipment, net	`PropertyPlantAndEquipmentNet`	$32.74M	USD	Point-in-time
Deferred insurance policy acquisition costs	`DeferredPolicyAcquisitionCosts`	$11.69M	USD	Point-in-time
Deferred insurance policy acquisition costs	`DeferredPolicyAcquisitionCosts`	$11.69M	USD	Point-in-time
Deferred insurance policy acquisition costs	`DeferredPolicyAcquisitionCosts`	$9.39M	USD	Point-in-time
Deferred insurance policy acquisition costs	`DeferredPolicyAcquisitionCosts`	$9.39M	USD	Point-in-time
Deferred income taxes, net	`DeferredIncomeTaxAssetsNet`	$69.88M	USD	Point-in-time
Deferred income taxes, net	`DeferredIncomeTaxAssetsNet`	$69.88M	USD	Point-in-time
Deferred income taxes, net	`DeferredIncomeTaxAssetsNet`	$59.49M	USD	Point-in-time
Deferred income taxes, net	`DeferredIncomeTaxAssetsNet`	$59.49M	USD	Point-in-time
Other assets	`OtherAssets`	$157.72M	USD	Point-in-time
Other assets	`OtherAssets`	$157.72M	USD	Point-in-time
Other assets	`OtherAssets`	$194.11M	USD	Point-in-time
Other assets	`OtherAssets`	$194.11M	USD	Point-in-time
Total assets	`Assets`	$6.55B	USD	Point-in-time
Total assets	`Assets`	$6.55B	USD	Point-in-time
Total assets	`Assets`	$6.63B	USD	Point-in-time
Total assets	`Assets`	$6.63B	USD	Point-in-time
Loss reserves	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$505.38M	USD	Point-in-time
Loss reserves	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$505.38M	USD	Point-in-time
Loss reserves	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$460.57M	USD	Point-in-time
Loss reserves	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$460.57M	USD	Point-in-time
Loss reserves	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$462.66M	USD	Point-in-time
Loss reserves	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$462.66M	USD	Point-in-time
Loss reserves	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$452.16M	USD	Point-in-time
Loss reserves	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$452.16M	USD	Point-in-time
Unearned premiums	`UnearnedPremiums`	$120.36M	USD	Point-in-time
Unearned premiums	`UnearnedPremiums`	$120.36M	USD	Point-in-time
Unearned premiums	`UnearnedPremiums`	$98.53M	USD	Point-in-time
Unearned premiums	`UnearnedPremiums`	$98.53M	USD	Point-in-time
Senior notes	`SeniorNotes`	$644.67M	USD	Point-in-time
Senior notes	`SeniorNotes`	$644.67M	USD	Point-in-time
Senior notes	`SeniorNotes`	$645.77M	USD	Point-in-time
Senior notes	`SeniorNotes`	$645.77M	USD	Point-in-time
Federal tax credits payable	`TransferrableFederalTaxCreditPayable`	$12.54M	USD	Point-in-time
Federal tax credits payable	`TransferrableFederalTaxCreditPayable`	$12.54M	USD	Point-in-time
Federal tax credits payable	`TransferrableFederalTaxCreditPayable`	$139.59M	USD	Point-in-time
Federal tax credits payable	`TransferrableFederalTaxCreditPayable`	$139.59M	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$134.64M	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$134.64M	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$116.90M	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$116.90M	USD	Point-in-time
Total liabilities	`Liabilities`	$1.37B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.37B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.45B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.45B	USD	Point-in-time
Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common stock	`CommonStockValue`	$248.45M	USD	Point-in-time
Common stock	`CommonStockValue`	$248.45M	USD	Point-in-time
Common stock	`CommonStockValue`	$226.16M	USD	Point-in-time
Common stock	`CommonStockValue`	$226.16M	USD	Point-in-time
Paid-in capital	`AdditionalPaidInCapitalCommonStock`	$1.81B	USD	Point-in-time
Paid-in capital	`AdditionalPaidInCapitalCommonStock`	$1.81B	USD	Point-in-time
Paid-in capital	`AdditionalPaidInCapitalCommonStock`	$1.81B	USD	Point-in-time
Paid-in capital	`AdditionalPaidInCapitalCommonStock`	$1.81B	USD	Point-in-time
Accumulated other comprehensive income (loss), net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-288.16M	USD	Point-in-time
Accumulated other comprehensive income (loss), net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-288.16M	USD	Point-in-time
Accumulated other comprehensive income (loss), net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-159.22M	USD	Point-in-time
Accumulated other comprehensive income (loss), net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-159.22M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$3.40B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$3.40B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$3.30B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$3.30B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$5.29B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$5.29B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$5.17B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$5.17B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$5.17B	USD	Point-in-time
Total shareholders equity	`StockholdersEquity`	$5.17B	USD	Point-in-time
Total liabilities and shareholders equity	`LiabilitiesAndStockholdersEquity`	$6.55B	USD	Point-in-time
Total liabilities and shareholders equity	`LiabilitiesAndStockholdersEquity`	$6.55B	USD	Point-in-time
Total liabilities and shareholders equity	`LiabilitiesAndStockholdersEquity`	$6.63B	USD	Point-in-time
Total liabilities and shareholders equity	`LiabilitiesAndStockholdersEquity`	$6.63B	USD	Point-in-time

Income Statement 176 line items

Line Item	Tag	Value	Unit	Period
Direct	`DirectPremiumsWritten`	$275.12M	USD	1 Quarter
Direct	`DirectPremiumsWritten`	$275.12M	USD	1 Quarter
Direct	`DirectPremiumsWritten`	$823.66M	USD	3 Qtrs
Direct	`DirectPremiumsWritten`	$823.66M	USD	3 Qtrs
Direct	`DirectPremiumsWritten`	$279.20M	USD	1 Quarter
Direct	`DirectPremiumsWritten`	$279.20M	USD	1 Quarter
Direct	`DirectPremiumsWritten`	$832.88M	USD	3 Qtrs
Direct	`DirectPremiumsWritten`	$832.88M	USD	3 Qtrs
Assumed	`AssumedPremiumsWritten`	$3.60M	USD	1 Quarter
Assumed	`AssumedPremiumsWritten`	$3.60M	USD	1 Quarter
Assumed	`AssumedPremiumsWritten`	$10.37M	USD	3 Qtrs
Assumed	`AssumedPremiumsWritten`	$10.37M	USD	3 Qtrs
Assumed	`AssumedPremiumsWritten`	$4.12M	USD	1 Quarter
Assumed	`AssumedPremiumsWritten`	$4.12M	USD	1 Quarter
Assumed	`AssumedPremiumsWritten`	$11.38M	USD	3 Qtrs
Assumed	`AssumedPremiumsWritten`	$11.38M	USD	3 Qtrs
Ceded	`CededPremiumsWritten`	$44.72M	USD	1 Quarter
Ceded	`CededPremiumsWritten`	$44.72M	USD	1 Quarter
Ceded	`CededPremiumsWritten`	$132.75M	USD	3 Qtrs
Ceded	`CededPremiumsWritten`	$132.75M	USD	3 Qtrs
Ceded	`CededPremiumsWritten`	$48.10M	USD	1 Quarter
Ceded	`CededPremiumsWritten`	$48.10M	USD	1 Quarter
Ceded	`CededPremiumsWritten`	$136.30M	USD	3 Qtrs
Ceded	`CededPremiumsWritten`	$136.30M	USD	3 Qtrs
Net premiums written	`PremiumsWrittenNet`	$234.01M	USD	1 Quarter
Net premiums written	`PremiumsWrittenNet`	$234.01M	USD	1 Quarter
Net premiums written	`PremiumsWrittenNet`	$701.28M	USD	3 Qtrs
Net premiums written	`PremiumsWrittenNet`	$701.28M	USD	3 Qtrs
Net premiums written	`PremiumsWrittenNet`	$235.23M	USD	1 Quarter
Net premiums written	`PremiumsWrittenNet`	$235.23M	USD	1 Quarter
Net premiums written	`PremiumsWrittenNet`	$707.96M	USD	3 Qtrs
Net premiums written	`PremiumsWrittenNet`	$707.96M	USD	3 Qtrs
Decrease in unearned premiums, net	`IncreaseDecreaseInUnearnedPremiumsNet`	$9.33M	USD	1 Quarter
Decrease in unearned premiums, net	`IncreaseDecreaseInUnearnedPremiumsNet`	$9.33M	USD	1 Quarter
Decrease in unearned premiums, net	`IncreaseDecreaseInUnearnedPremiumsNet`	$28.23M	USD	3 Qtrs
Decrease in unearned premiums, net	`IncreaseDecreaseInUnearnedPremiumsNet`	$28.23M	USD	3 Qtrs
Decrease in unearned premiums, net	`IncreaseDecreaseInUnearnedPremiumsNet`	$6.52M	USD	1 Quarter
Decrease in unearned premiums, net	`IncreaseDecreaseInUnearnedPremiumsNet`	$6.52M	USD	1 Quarter
Decrease in unearned premiums, net	`IncreaseDecreaseInUnearnedPremiumsNet`	$21.83M	USD	3 Qtrs
Decrease in unearned premiums, net	`IncreaseDecreaseInUnearnedPremiumsNet`	$21.83M	USD	3 Qtrs
Net premiums earned	`PremiumsEarnedNet`	$243.34M	USD	1 Quarter
Net premiums earned	`PremiumsEarnedNet`	$243.34M	USD	1 Quarter
Net premiums earned	`PremiumsEarnedNet`	$729.51M	USD	3 Qtrs
Net premiums earned	`PremiumsEarnedNet`	$729.51M	USD	3 Qtrs
Net premiums earned	`PremiumsEarnedNet`	$241.75M	USD	1 Quarter
Net premiums earned	`PremiumsEarnedNet`	$241.75M	USD	1 Quarter
Net premiums earned	`PremiumsEarnedNet`	$729.79M	USD	3 Qtrs
Net premiums earned	`PremiumsEarnedNet`	$729.79M	USD	3 Qtrs
Investment income, net of expenses	`NetInvestmentIncome`	$62.09M	USD	1 Quarter
Investment income, net of expenses	`NetInvestmentIncome`	$62.09M	USD	1 Quarter
Investment income, net of expenses	`NetInvestmentIncome`	$183.32M	USD	3 Qtrs
Investment income, net of expenses	`NetInvestmentIncome`	$183.32M	USD	3 Qtrs
Investment income, net of expenses	`NetInvestmentIncome`	$62.21M	USD	1 Quarter
Investment income, net of expenses	`NetInvestmentIncome`	$62.21M	USD	1 Quarter
Investment income, net of expenses	`NetInvestmentIncome`	$184.65M	USD	3 Qtrs
Investment income, net of expenses	`NetInvestmentIncome`	$184.65M	USD	3 Qtrs
Net gains (losses) on investments and other financial instruments	`NetGainsLossesOnInvestmentsAndOtherFinancialInstruments`	$583.00K	USD	1 Quarter
Net gains (losses) on investments and other financial instruments	`NetGainsLossesOnInvestmentsAndOtherFinancialInstruments`	$583.00K	USD	1 Quarter
Net gains (losses) on investments and other financial instruments	`NetGainsLossesOnInvestmentsAndOtherFinancialInstruments`	$-8.20M	USD	3 Qtrs
Net gains (losses) on investments and other financial instruments	`NetGainsLossesOnInvestmentsAndOtherFinancialInstruments`	$-8.20M	USD	3 Qtrs
Net gains (losses) on investments and other financial instruments	`NetGainsLossesOnInvestmentsAndOtherFinancialInstruments`	$162.00K	USD	1 Quarter
Net gains (losses) on investments and other financial instruments	`NetGainsLossesOnInvestmentsAndOtherFinancialInstruments`	$162.00K	USD	1 Quarter
Net gains (losses) on investments and other financial instruments	`NetGainsLossesOnInvestmentsAndOtherFinancialInstruments`	$-523.00K	USD	3 Qtrs
Net gains (losses) on investments and other financial instruments	`NetGainsLossesOnInvestmentsAndOtherFinancialInstruments`	$-523.00K	USD	3 Qtrs
Other revenue	`OtherIncome`	$633.00K	USD	1 Quarter
Other revenue	`OtherIncome`	$633.00K	USD	1 Quarter
Other revenue	`OtherIncome`	$1.66M	USD	3 Qtrs
Other revenue	`OtherIncome`	$1.66M	USD	3 Qtrs
Other revenue	`OtherIncome`	$383.00K	USD	1 Quarter
Other revenue	`OtherIncome`	$383.00K	USD	1 Quarter
Other revenue	`OtherIncome`	$1.07M	USD	3 Qtrs
Other revenue	`OtherIncome`	$1.07M	USD	3 Qtrs
Total revenues	`Revenues`	$306.65M	USD	1 Quarter
Total revenues	`Revenues`	$306.65M	USD	1 Quarter
Total revenues	`Revenues`	$906.29M	USD	3 Qtrs
Total revenues	`Revenues`	$906.29M	USD	3 Qtrs
Total revenues	`Revenues`	$304.50M	USD	1 Quarter
Total revenues	`Revenues`	$304.50M	USD	1 Quarter
Total revenues	`Revenues`	$914.98M	USD	3 Qtrs
Total revenues	`Revenues`	$914.98M	USD	3 Qtrs
Losses incurred, net	`PolicyholderBenefitsAndClaimsIncurredNet`	$-9.84M	USD	1 Quarter
Losses incurred, net	`PolicyholderBenefitsAndClaimsIncurredNet`	$-9.84M	USD	1 Quarter
Losses incurred, net	`PolicyholderBenefitsAndClaimsIncurredNet`	$-23.56M	USD	3 Qtrs
Losses incurred, net	`PolicyholderBenefitsAndClaimsIncurredNet`	$-23.56M	USD	3 Qtrs
Losses incurred, net	`PolicyholderBenefitsAndClaimsIncurredNet`	$10.93M	USD	1 Quarter
Losses incurred, net	`PolicyholderBenefitsAndClaimsIncurredNet`	$10.93M	USD	1 Quarter
Losses incurred, net	`PolicyholderBenefitsAndClaimsIncurredNet`	$17.68M	USD	3 Qtrs
Losses incurred, net	`PolicyholderBenefitsAndClaimsIncurredNet`	$17.68M	USD	3 Qtrs
Amortization of deferred insurance policy acquisition costs	`DeferredPolicyAcquisitionCostAmortizationExpense`	$2.32M	USD	1 Quarter
Amortization of deferred insurance policy acquisition costs	`DeferredPolicyAcquisitionCostAmortizationExpense`	$2.32M	USD	1 Quarter
Amortization of deferred insurance policy acquisition costs	`DeferredPolicyAcquisitionCostAmortizationExpense`	$6.48M	USD	3 Qtrs
Amortization of deferred insurance policy acquisition costs	`DeferredPolicyAcquisitionCostAmortizationExpense`	$6.48M	USD	3 Qtrs
Amortization of deferred insurance policy acquisition costs	`DeferredPolicyAcquisitionCostAmortizationExpense`	$1.83M	USD	1 Quarter
Amortization of deferred insurance policy acquisition costs	`DeferredPolicyAcquisitionCostAmortizationExpense`	$1.83M	USD	1 Quarter
Amortization of deferred insurance policy acquisition costs	`DeferredPolicyAcquisitionCostAmortizationExpense`	$5.22M	USD	3 Qtrs
Amortization of deferred insurance policy acquisition costs	`DeferredPolicyAcquisitionCostAmortizationExpense`	$5.22M	USD	3 Qtrs
Other underwriting and operating expenses, net	`OtherUnderwritingExpense`	$50.97M	USD	1 Quarter
Other underwriting and operating expenses, net	`OtherUnderwritingExpense`	$50.97M	USD	1 Quarter
Other underwriting and operating expenses, net	`OtherUnderwritingExpense`	$162.66M	USD	3 Qtrs
Other underwriting and operating expenses, net	`OtherUnderwritingExpense`	$162.66M	USD	3 Qtrs
Other underwriting and operating expenses, net	`OtherUnderwritingExpense`	$47.78M	USD	1 Quarter
Other underwriting and operating expenses, net	`OtherUnderwritingExpense`	$47.78M	USD	1 Quarter
Other underwriting and operating expenses, net	`OtherUnderwritingExpense`	$149.54M	USD	3 Qtrs
Other underwriting and operating expenses, net	`OtherUnderwritingExpense`	$149.54M	USD	3 Qtrs
Interest expense	`InterestExpenseDebt`	$8.90M	USD	1 Quarter
Interest expense	`InterestExpenseDebt`	$8.90M	USD	1 Quarter
Interest expense	`InterestExpenseDebt`	$26.70M	USD	3 Qtrs
Interest expense	`InterestExpenseDebt`	$26.70M	USD	3 Qtrs
Interest expense	`InterestExpenseDebt`	$8.91M	USD	1 Quarter
Interest expense	`InterestExpenseDebt`	$8.91M	USD	1 Quarter
Interest expense	`InterestExpenseDebt`	$26.70M	USD	3 Qtrs
Interest expense	`InterestExpenseDebt`	$26.70M	USD	3 Qtrs
Total losses and expenses	`BenefitsLossesAndExpenses`	$52.35M	USD	1 Quarter
Total losses and expenses	`BenefitsLossesAndExpenses`	$52.35M	USD	1 Quarter
Total losses and expenses	`BenefitsLossesAndExpenses`	$172.29M	USD	3 Qtrs
Total losses and expenses	`BenefitsLossesAndExpenses`	$172.29M	USD	3 Qtrs
Total losses and expenses	`BenefitsLossesAndExpenses`	$69.44M	USD	1 Quarter
Total losses and expenses	`BenefitsLossesAndExpenses`	$69.44M	USD	1 Quarter
Total losses and expenses	`BenefitsLossesAndExpenses`	$199.15M	USD	3 Qtrs
Total losses and expenses	`BenefitsLossesAndExpenses`	$199.15M	USD	3 Qtrs
Income before tax	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$254.30M	USD	1 Quarter
Income before tax	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$254.30M	USD	1 Quarter
Income before tax	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$734.00M	USD	3 Qtrs
Income before tax	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$734.00M	USD	3 Qtrs
Income before tax	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$235.06M	USD	1 Quarter
Income before tax	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$235.06M	USD	1 Quarter
Income before tax	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$715.83M	USD	3 Qtrs
Income before tax	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$715.83M	USD	3 Qtrs
Provision for income tax	`IncomeTaxExpenseBenefit`	$54.33M	USD	1 Quarter
Provision for income tax	`IncomeTaxExpenseBenefit`	$54.33M	USD	1 Quarter
Provision for income tax	`IncomeTaxExpenseBenefit`	$155.71M	USD	3 Qtrs
Provision for income tax	`IncomeTaxExpenseBenefit`	$155.71M	USD	3 Qtrs
Provision for income tax	`IncomeTaxExpenseBenefit`	$43.97M	USD	1 Quarter
Provision for income tax	`IncomeTaxExpenseBenefit`	$43.97M	USD	1 Quarter
Provision for income tax	`IncomeTaxExpenseBenefit`	$146.79M	USD	3 Qtrs
Provision for income tax	`IncomeTaxExpenseBenefit`	$146.79M	USD	3 Qtrs
Net income	`NetIncomeLoss`	$199.97M	USD	1 Quarter
Net income	`NetIncomeLoss`	$199.97M	USD	1 Quarter
Net income	`NetIncomeLoss`	$578.29M	USD	3 Qtrs
Net income	`NetIncomeLoss`	$578.29M	USD	3 Qtrs
Net income	`NetIncomeLoss`	$191.09M	USD	1 Quarter
Net income	`NetIncomeLoss`	$191.09M	USD	1 Quarter
Net income	`NetIncomeLoss`	$569.04M	USD	3 Qtrs
Net income	`NetIncomeLoss`	$569.04M	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.77	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.77	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.18	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.18	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.83	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$0.83	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.41	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.41	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.77	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.77	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.17	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.17	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.83	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.83	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.39	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.39	USD	3 Qtrs
Weighted average common shares outstanding - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	258.60M	shares	1 Quarter
Weighted average common shares outstanding - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	258.60M	shares	1 Quarter
Weighted average common shares outstanding - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	264.72M	shares	3 Qtrs
Weighted average common shares outstanding - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	264.72M	shares	3 Qtrs
Weighted average common shares outstanding - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	229.31M	shares	1 Quarter
Weighted average common shares outstanding - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	229.31M	shares	1 Quarter
Weighted average common shares outstanding - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	236.54M	shares	3 Qtrs
Weighted average common shares outstanding - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	236.54M	shares	3 Qtrs
Weighted average common shares outstanding - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	260.83M	shares	1 Quarter
Weighted average common shares outstanding - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	260.83M	shares	1 Quarter
Weighted average common shares outstanding - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	266.92M	shares	3 Qtrs
Weighted average common shares outstanding - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	266.92M	shares	3 Qtrs
Weighted average common shares outstanding - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	231.38M	shares	1 Quarter
Weighted average common shares outstanding - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	231.38M	shares	1 Quarter
Weighted average common shares outstanding - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	238.56M	shares	3 Qtrs
Weighted average common shares outstanding - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	238.56M	shares	3 Qtrs

Cash Flow Statement 128 line items

Line Item	Tag	Value	Unit	Period
Net Income (Loss)	`NetIncomeLoss`	$199.97M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$199.97M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$578.29M	USD	3 Qtrs
Net Income (Loss)	`NetIncomeLoss`	$578.29M	USD	3 Qtrs
Net Income (Loss)	`NetIncomeLoss`	$191.09M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$191.09M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$569.04M	USD	3 Qtrs
Net Income (Loss)	`NetIncomeLoss`	$569.04M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$14.40M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$14.40M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$6.13M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$6.13M	USD	3 Qtrs
Deferred tax expense (benefit)	`DeferredIncomeTaxExpenseBenefit`	$2.74M	USD	3 Qtrs
Deferred tax expense (benefit)	`DeferredIncomeTaxExpenseBenefit`	$2.74M	USD	3 Qtrs
Deferred tax expense (benefit)	`DeferredIncomeTaxExpenseBenefit`	$17.27M	USD	3 Qtrs
Deferred tax expense (benefit)	`DeferredIncomeTaxExpenseBenefit`	$17.27M	USD	3 Qtrs
Equity compensation	`ShareBasedCompensation`	$24.84M	USD	3 Qtrs
Equity compensation	`ShareBasedCompensation`	$24.84M	USD	3 Qtrs
Equity compensation	`ShareBasedCompensation`	$18.78M	USD	3 Qtrs
Equity compensation	`ShareBasedCompensation`	$18.78M	USD	3 Qtrs
Net (gains) losses on investments and other financial instruments	`NetGainsLossesOnInvestmentsAndOtherFinancialInstruments`	$583.00K	USD	1 Quarter
Net (gains) losses on investments and other financial instruments	`NetGainsLossesOnInvestmentsAndOtherFinancialInstruments`	$583.00K	USD	1 Quarter
Net (gains) losses on investments and other financial instruments	`NetGainsLossesOnInvestmentsAndOtherFinancialInstruments`	$-8.20M	USD	3 Qtrs
Net (gains) losses on investments and other financial instruments	`NetGainsLossesOnInvestmentsAndOtherFinancialInstruments`	$-8.20M	USD	3 Qtrs
Net (gains) losses on investments and other financial instruments	`NetGainsLossesOnInvestmentsAndOtherFinancialInstruments`	$162.00K	USD	1 Quarter
Net (gains) losses on investments and other financial instruments	`NetGainsLossesOnInvestmentsAndOtherFinancialInstruments`	$162.00K	USD	1 Quarter
Net (gains) losses on investments and other financial instruments	`NetGainsLossesOnInvestmentsAndOtherFinancialInstruments`	$-523.00K	USD	3 Qtrs
Net (gains) losses on investments and other financial instruments	`NetGainsLossesOnInvestmentsAndOtherFinancialInstruments`	$-523.00K	USD	3 Qtrs
Accrued investment income	`IncreaseDecreaseInAccruedInvestmentIncomeReceivable`	$635.00K	USD	3 Qtrs
Accrued investment income	`IncreaseDecreaseInAccruedInvestmentIncomeReceivable`	$635.00K	USD	3 Qtrs
Accrued investment income	`IncreaseDecreaseInAccruedInvestmentIncomeReceivable`	$-4.38M	USD	3 Qtrs
Accrued investment income	`IncreaseDecreaseInAccruedInvestmentIncomeReceivable`	$-4.38M	USD	3 Qtrs
Reinsurance recoverable on loss reserves	`IncreaseDecreaseInReinsuranceRecoverable`	$12.03M	USD	3 Qtrs
Reinsurance recoverable on loss reserves	`IncreaseDecreaseInReinsuranceRecoverable`	$12.03M	USD	3 Qtrs
Reinsurance recoverable on loss reserves	`IncreaseDecreaseInReinsuranceRecoverable`	$10.28M	USD	3 Qtrs
Reinsurance recoverable on loss reserves	`IncreaseDecreaseInReinsuranceRecoverable`	$10.28M	USD	3 Qtrs
Reinsurance recoverable on paid losses	`IncreaseDecreaseInReinsuranceRecoverableOnPaidLosses`	$8.90M	USD	3 Qtrs
Reinsurance recoverable on paid losses	`IncreaseDecreaseInReinsuranceRecoverableOnPaidLosses`	$8.90M	USD	3 Qtrs
Reinsurance recoverable on paid losses	`IncreaseDecreaseInReinsuranceRecoverableOnPaidLosses`	$1.84M	USD	3 Qtrs
Reinsurance recoverable on paid losses	`IncreaseDecreaseInReinsuranceRecoverableOnPaidLosses`	$1.84M	USD	3 Qtrs
Premiums receivable	`IncreaseDecreaseInPremiumsReceivable`	$-374.00K	USD	3 Qtrs
Premiums receivable	`IncreaseDecreaseInPremiumsReceivable`	$-374.00K	USD	3 Qtrs
Premiums receivable	`IncreaseDecreaseInPremiumsReceivable`	$-1.00M	USD	3 Qtrs
Premiums receivable	`IncreaseDecreaseInPremiumsReceivable`	$-1.00M	USD	3 Qtrs
Deferred insurance policy acquisition costs	`IncreaseDecreaseInDeferredPolicyAcquisitionCosts`	$-2.08M	USD	3 Qtrs
Deferred insurance policy acquisition costs	`IncreaseDecreaseInDeferredPolicyAcquisitionCosts`	$-2.08M	USD	3 Qtrs
Deferred insurance policy acquisition costs	`IncreaseDecreaseInDeferredPolicyAcquisitionCosts`	$-2.30M	USD	3 Qtrs
Deferred insurance policy acquisition costs	`IncreaseDecreaseInDeferredPolicyAcquisitionCosts`	$-2.30M	USD	3 Qtrs
Loss reserves	`IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve`	$-44.80M	USD	3 Qtrs
Loss reserves	`IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve`	$-44.80M	USD	3 Qtrs
Loss reserves	`IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve`	$-10.50M	USD	3 Qtrs
Loss reserves	`IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve`	$-10.50M	USD	3 Qtrs
Unearned premiums	`IncreaseDecreaseInUnearnedPremiums`	$-28.23M	USD	3 Qtrs
Unearned premiums	`IncreaseDecreaseInUnearnedPremiums`	$-28.23M	USD	3 Qtrs
Unearned premiums	`IncreaseDecreaseInUnearnedPremiums`	$-21.83M	USD	3 Qtrs
Unearned premiums	`IncreaseDecreaseInUnearnedPremiums`	$-21.83M	USD	3 Qtrs
Return premium accrual	`IncreaseDecreaseInOtherInsuranceLiabilities`	$-6.70M	USD	3 Qtrs
Return premium accrual	`IncreaseDecreaseInOtherInsuranceLiabilities`	$-6.70M	USD	3 Qtrs
Return premium accrual	`IncreaseDecreaseInOtherInsuranceLiabilities`	$-1.81M	USD	3 Qtrs
Return premium accrual	`IncreaseDecreaseInOtherInsuranceLiabilities`	$-1.81M	USD	3 Qtrs
Current income taxes	`IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable`	$35.94M	USD	3 Qtrs
Current income taxes	`IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable`	$35.94M	USD	3 Qtrs
Current income taxes	`IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable`	$69.70M	USD	3 Qtrs
Current income taxes	`IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable`	$69.70M	USD	3 Qtrs
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$40.74M	USD	3 Qtrs
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$40.74M	USD	3 Qtrs
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$24.48M	USD	3 Qtrs
Other, net	`IncreaseDecreaseInOtherOperatingCapitalNet`	$24.48M	USD	3 Qtrs
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$542.65M	USD	3 Qtrs
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$542.65M	USD	3 Qtrs
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$622.05M	USD	3 Qtrs
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$622.05M	USD	3 Qtrs
Purchases of investments	`PaymentsToAcquireInvestments`	$1.11B	USD	3 Qtrs
Purchases of investments	`PaymentsToAcquireInvestments`	$1.11B	USD	3 Qtrs
Purchases of investments	`PaymentsToAcquireInvestments`	$1.26B	USD	3 Qtrs
Purchases of investments	`PaymentsToAcquireInvestments`	$1.26B	USD	3 Qtrs
Proceeds from sales of investments	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$29.74M	USD	3 Qtrs
Proceeds from sales of investments	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$29.74M	USD	3 Qtrs
Proceeds from sales of investments	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$59.80M	USD	3 Qtrs
Proceeds from sales of investments	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$59.80M	USD	3 Qtrs
Proceeds from maturity of fixed income securities	`ProceedsFromMaturityOfFixedIncomeSecurities`	$962.95M	USD	3 Qtrs
Proceeds from maturity of fixed income securities	`ProceedsFromMaturityOfFixedIncomeSecurities`	$962.95M	USD	3 Qtrs
Proceeds from maturity of fixed income securities	`ProceedsFromMaturityOfFixedIncomeSecurities`	$1.33B	USD	3 Qtrs
Proceeds from maturity of fixed income securities	`ProceedsFromMaturityOfFixedIncomeSecurities`	$1.33B	USD	3 Qtrs
Additions to property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$660.00K	USD	3 Qtrs
Additions to property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$660.00K	USD	3 Qtrs
Additions to property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$424.00K	USD	3 Qtrs
Additions to property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$424.00K	USD	3 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-122.24M	USD	3 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-122.24M	USD	3 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$132.82M	USD	3 Qtrs
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$132.82M	USD	3 Qtrs
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$374.81M	USD	3 Qtrs
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$374.81M	USD	3 Qtrs
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$599.45M	USD	3 Qtrs
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$599.45M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$97.59M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$97.59M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$99.10M	USD	3 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$99.10M	USD	3 Qtrs
Payment of withholding taxes related to share-based compensation net share settlement	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$19.05M	USD	3 Qtrs
Payment of withholding taxes related to share-based compensation net share settlement	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$19.05M	USD	3 Qtrs
Payment of withholding taxes related to share-based compensation net share settlement	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$19.15M	USD	3 Qtrs
Payment of withholding taxes related to share-based compensation net share settlement	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$19.15M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-491.45M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-491.45M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-717.70M	USD	3 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-717.70M	USD	3 Qtrs
Net increase (decrease) in cash and cash equivalents and restricted cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$-71.03M	USD	3 Qtrs
Net increase (decrease) in cash and cash equivalents and restricted cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$-71.03M	USD	3 Qtrs
Net increase (decrease) in cash and cash equivalents and restricted cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$37.16M	USD	3 Qtrs
Net increase (decrease) in cash and cash equivalents and restricted cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$37.16M	USD	3 Qtrs
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$370.64M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$370.64M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$299.61M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$299.61M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$234.63M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$234.63M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$271.79M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$271.79M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$370.64M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$370.64M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$299.61M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$299.61M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$234.63M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$234.63M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$271.79M	USD	Point-in-time
Cash and cash equivalents and restricted cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$271.79M	USD	Point-in-time

Stockholders Equity 32 line items

Line Item	Tag	Value	Unit	Period
Balance, beginning of period	`StockholdersEquity`	$5.29B	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$5.29B	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$5.17B	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$5.17B	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$5.17B	USD	Point-in-time
Balance, beginning of period	`StockholdersEquity`	$5.17B	USD	Point-in-time
Purchases of common stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$566.60M	USD	Annual
Purchases of common stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$566.60M	USD	Annual
Purchases of common stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$592.90M	USD	3 Qtrs
Purchases of common stock	`StockRepurchasedAndRetiredDuringPeriodValue`	$592.90M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$128.99M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$128.99M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$112.22M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$112.22M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$45.75M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$45.75M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$128.94M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$128.94M	USD	3 Qtrs
Net Income (Loss)	`NetIncomeLoss`	$199.97M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$199.97M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$578.29M	USD	3 Qtrs
Net Income (Loss)	`NetIncomeLoss`	$578.29M	USD	3 Qtrs
Net Income (Loss)	`NetIncomeLoss`	$191.09M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$191.09M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$569.04M	USD	3 Qtrs
Net Income (Loss)	`NetIncomeLoss`	$569.04M	USD	3 Qtrs
Balance, end of period	`StockholdersEquity`	$5.29B	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$5.29B	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$5.17B	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$5.17B	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$5.17B	USD	Point-in-time
Balance, end of period	`StockholdersEquity`	$5.17B	USD	Point-in-time

Comprehensive Income 40 line items

Line Item	Tag	Value	Unit	Period
Net Income (Loss)	`NetIncomeLoss`	$199.97M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$199.97M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$578.29M	USD	3 Qtrs
Net Income (Loss)	`NetIncomeLoss`	$578.29M	USD	3 Qtrs
Net Income (Loss)	`NetIncomeLoss`	$191.09M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$191.09M	USD	1 Quarter
Net Income (Loss)	`NetIncomeLoss`	$569.04M	USD	3 Qtrs
Net Income (Loss)	`NetIncomeLoss`	$569.04M	USD	3 Qtrs
Change in unrealized investment gains and losses	`OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent`	$128.46M	USD	1 Quarter
Change in unrealized investment gains and losses	`OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent`	$128.46M	USD	1 Quarter
Change in unrealized investment gains and losses	`OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent`	$110.60M	USD	3 Qtrs
Change in unrealized investment gains and losses	`OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent`	$110.60M	USD	3 Qtrs
Change in unrealized investment gains and losses	`OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent`	$44.69M	USD	1 Quarter
Change in unrealized investment gains and losses	`OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent`	$44.69M	USD	1 Quarter
Change in unrealized investment gains and losses	`OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent`	$124.88M	USD	3 Qtrs
Change in unrealized investment gains and losses	`OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent`	$124.88M	USD	3 Qtrs
Benefit plan adjustments	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$-539.00K	USD	1 Quarter
Benefit plan adjustments	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$-539.00K	USD	1 Quarter
Benefit plan adjustments	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$-1.62M	USD	3 Qtrs
Benefit plan adjustments	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$-1.62M	USD	3 Qtrs
Benefit plan adjustments	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$-1.06M	USD	1 Quarter
Benefit plan adjustments	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$-1.06M	USD	1 Quarter
Benefit plan adjustments	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$-4.06M	USD	3 Qtrs
Benefit plan adjustments	`OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPortionAttributableToParent`	$-4.06M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$128.99M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$128.99M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$112.22M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$112.22M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$45.75M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$45.75M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$128.94M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$128.94M	USD	3 Qtrs
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$328.96M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$328.96M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$690.51M	USD	3 Qtrs
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$690.51M	USD	3 Qtrs
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$236.84M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$236.84M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$697.98M	USD	3 Qtrs
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$697.98M	USD	3 Qtrs

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.