10-Q Filing

NMI HOLDINGS, INC. CIK: 1547903 Q3 2025

Filing Information

Form Type	10-Q
Accession Number	`0001547903-25-000103`
Period End Date	20250930
Filing Date	20251105
Fiscal Year	2025
Fiscal Period	Q3
XBRL Instance	nmih-20250930_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 152 Income Statement 208 Cash Flow Statement 172 Stockholders Equity 120

Balance Sheet 152 line items

Line Item	Tag	Value	Unit	Period
Debt securities, amortized cost	`AvailableForSaleDebtSecuritiesAmortizedCostBasis`	$2.88B	USD	Point-in-time
Debt securities, amortized cost	`AvailableForSaleDebtSecuritiesAmortizedCostBasis`	$2.88B	USD	Point-in-time
Debt securities, amortized cost	`AvailableForSaleDebtSecuritiesAmortizedCostBasis`	$3.08B	USD	Point-in-time
Debt securities, amortized cost	`AvailableForSaleDebtSecuritiesAmortizedCostBasis`	$3.08B	USD	Point-in-time
Fixed maturities, available-for-sale, at fair value (amortized cost of $3,078,294 and $2,876,343)	`AvailableForSaleSecuritiesDebtSecurities`	$2.72B	USD	Point-in-time
Fixed maturities, available-for-sale, at fair value (amortized cost of $3,078,294 and $2,876,343)	`AvailableForSaleSecuritiesDebtSecurities`	$2.72B	USD	Point-in-time
Fixed maturities, available-for-sale, at fair value (amortized cost of $3,078,294 and $2,876,343)	`AvailableForSaleSecuritiesDebtSecurities`	$3.02B	USD	Point-in-time
Fixed maturities, available-for-sale, at fair value (amortized cost of $3,078,294 and $2,876,343)	`AvailableForSaleSecuritiesDebtSecurities`	$3.02B	USD	Point-in-time
Restricted cash	`RestrictedCash`	$90.00K	USD	Point-in-time
Restricted cash	`RestrictedCash`	$90.00K	USD	Point-in-time
Restricted cash	`RestrictedCash`	-	USD	Point-in-time
Restricted cash	`RestrictedCash`	-	USD	Point-in-time
Cash and cash equivalents (including restricted cash of $0 and $90)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$96.69M	USD	Point-in-time
Cash and cash equivalents (including restricted cash of $0 and $90)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$96.69M	USD	Point-in-time
Cash and cash equivalents (including restricted cash of $0 and $90)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$133.32M	USD	Point-in-time
Cash and cash equivalents (including restricted cash of $0 and $90)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$133.32M	USD	Point-in-time
Cash and cash equivalents (including restricted cash of $0 and $90)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$54.31M	USD	Point-in-time
Cash and cash equivalents (including restricted cash of $0 and $90)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$54.31M	USD	Point-in-time
Cash and cash equivalents (including restricted cash of $0 and $90)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$130.44M	USD	Point-in-time
Cash and cash equivalents (including restricted cash of $0 and $90)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$130.44M	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	87.90M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	87.90M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	88.37M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	88.37M	shares	Point-in-time
Premiums receivable, net	`PremiumsReceivableAtCarryingValue`	$82.80M	USD	Point-in-time
Premiums receivable, net	`PremiumsReceivableAtCarryingValue`	$82.80M	USD	Point-in-time
Premiums receivable, net	`PremiumsReceivableAtCarryingValue`	$85.73M	USD	Point-in-time
Premiums receivable, net	`PremiumsReceivableAtCarryingValue`	$85.73M	USD	Point-in-time
Accrued investment income	`AccruedInvestmentIncomeReceivable`	$22.39M	USD	Point-in-time
Accrued investment income	`AccruedInvestmentIncomeReceivable`	$22.39M	USD	Point-in-time
Accrued investment income	`AccruedInvestmentIncomeReceivable`	$25.79M	USD	Point-in-time
Accrued investment income	`AccruedInvestmentIncomeReceivable`	$25.79M	USD	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	78.60M	shares	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	78.60M	shares	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	77.10M	shares	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	77.10M	shares	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	250.00M	shares	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	250.00M	shares	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	250.00M	shares	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	250.00M	shares	Point-in-time
Deferred policy acquisition costs, net	`DeferredPolicyAcquisitionCosts`	$64.33M	USD	Point-in-time
Deferred policy acquisition costs, net	`DeferredPolicyAcquisitionCosts`	$64.33M	USD	Point-in-time
Deferred policy acquisition costs, net	`DeferredPolicyAcquisitionCosts`	$64.19M	USD	Point-in-time
Deferred policy acquisition costs, net	`DeferredPolicyAcquisitionCosts`	$64.19M	USD	Point-in-time
Software and equipment, net	`PropertyPlantAndEquipmentNet`	$25.68M	USD	Point-in-time
Software and equipment, net	`PropertyPlantAndEquipmentNet`	$25.68M	USD	Point-in-time
Software and equipment, net	`PropertyPlantAndEquipmentNet`	$22.76M	USD	Point-in-time
Software and equipment, net	`PropertyPlantAndEquipmentNet`	$22.76M	USD	Point-in-time
Treasury stock, common shares (in shares)	`TreasuryStockCommonShares`	9.30M	shares	Point-in-time
Treasury stock, common shares (in shares)	`TreasuryStockCommonShares`	9.30M	shares	Point-in-time
Treasury stock, common shares (in shares)	`TreasuryStockCommonShares`	11.28M	shares	Point-in-time
Treasury stock, common shares (in shares)	`TreasuryStockCommonShares`	11.28M	shares	Point-in-time
Intangible assets and goodwill	`IntangibleAssetsNetIncludingGoodwill`	$3.63M	USD	Point-in-time
Intangible assets and goodwill	`IntangibleAssetsNetIncludingGoodwill`	$3.63M	USD	Point-in-time
Intangible assets and goodwill	`IntangibleAssetsNetIncludingGoodwill`	$3.63M	USD	Point-in-time
Intangible assets and goodwill	`IntangibleAssetsNetIncludingGoodwill`	$3.63M	USD	Point-in-time
Reinsurance recoverable	`ReinsuranceRecoverablesGross`	$32.26M	USD	Point-in-time
Reinsurance recoverable	`ReinsuranceRecoverablesGross`	$32.26M	USD	Point-in-time
Reinsurance recoverable	`ReinsuranceRecoverablesGross`	$35.31M	USD	Point-in-time
Reinsurance recoverable	`ReinsuranceRecoverablesGross`	$35.31M	USD	Point-in-time
Prepaid federal income taxes	`PrepaidFederalIncomeTaxes`	$322.18M	USD	Point-in-time
Prepaid federal income taxes	`PrepaidFederalIncomeTaxes`	$322.18M	USD	Point-in-time
Prepaid federal income taxes	`PrepaidFederalIncomeTaxes`	$322.18M	USD	Point-in-time
Prepaid federal income taxes	`PrepaidFederalIncomeTaxes`	$322.18M	USD	Point-in-time
Other assets	`OtherAssets`	$18.86M	USD	Point-in-time
Other assets	`OtherAssets`	$18.86M	USD	Point-in-time
Other assets	`OtherAssets`	$21.59M	USD	Point-in-time
Other assets	`OtherAssets`	$21.59M	USD	Point-in-time
Total assets	`Assets`	$3.35B	USD	Point-in-time
Total assets	`Assets`	$3.35B	USD	Point-in-time
Total assets	`Assets`	$3.73B	USD	Point-in-time
Total assets	`Assets`	$3.73B	USD	Point-in-time
Debt	`SecuredDebt`	$415.15M	USD	Point-in-time
Debt	`SecuredDebt`	$415.15M	USD	Point-in-time
Debt	`SecuredDebt`	$416.55M	USD	Point-in-time
Debt	`SecuredDebt`	$416.55M	USD	Point-in-time
Unearned premiums	`UnearnedPremiums`	$65.22M	USD	Point-in-time
Unearned premiums	`UnearnedPremiums`	$65.22M	USD	Point-in-time
Unearned premiums	`UnearnedPremiums`	$49.80M	USD	Point-in-time
Unearned premiums	`UnearnedPremiums`	$49.80M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent`	$103.16M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent`	$103.16M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent`	$93.41M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent`	$93.41M	USD	Point-in-time
Reserve for insurance claims and claim expenses	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$123.97M	USD	Point-in-time
Reserve for insurance claims and claim expenses	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$123.97M	USD	Point-in-time
Reserve for insurance claims and claim expenses	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$135.52M	USD	Point-in-time
Reserve for insurance claims and claim expenses	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$135.52M	USD	Point-in-time
Reserve for insurance claims and claim expenses	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$152.07M	USD	Point-in-time
Reserve for insurance claims and claim expenses	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$152.07M	USD	Point-in-time
Reserve for insurance claims and claim expenses	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$180.35M	USD	Point-in-time
Reserve for insurance claims and claim expenses	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$180.35M	USD	Point-in-time
Deferred tax liability, net	`DeferredIncomeTaxLiabilitiesNet`	$386.19M	USD	Point-in-time
Deferred tax liability, net	`DeferredIncomeTaxLiabilitiesNet`	$386.19M	USD	Point-in-time
Deferred tax liability, net	`DeferredIncomeTaxLiabilitiesNet`	$463.26M	USD	Point-in-time
Deferred tax liability, net	`DeferredIncomeTaxLiabilitiesNet`	$463.26M	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$10.75M	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$10.75M	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$8.96M	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$8.96M	USD	Point-in-time
Total liabilities	`Liabilities`	$1.13B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.13B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.21B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.21B	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common stock - $0.01 par value; 88,371,465 shares issued and 77,095,871 shares outstanding as of September 30, 2025 and 87,902,626 shares issued and 78,600,726 shares outstanding as of December 31, 2024 (250,000,000 shares authorized)	`CommonStockValueOutstanding`	$879.00K	USD	Point-in-time
Common stock - $0.01 par value; 88,371,465 shares issued and 77,095,871 shares outstanding as of September 30, 2025 and 87,902,626 shares issued and 78,600,726 shares outstanding as of December 31, 2024 (250,000,000 shares authorized)	`CommonStockValueOutstanding`	$879.00K	USD	Point-in-time
Common stock - $0.01 par value; 88,371,465 shares issued and 77,095,871 shares outstanding as of September 30, 2025 and 87,902,626 shares issued and 78,600,726 shares outstanding as of December 31, 2024 (250,000,000 shares authorized)	`CommonStockValueOutstanding`	$884.00K	USD	Point-in-time
Common stock - $0.01 par value; 88,371,465 shares issued and 77,095,871 shares outstanding as of September 30, 2025 and 87,902,626 shares issued and 78,600,726 shares outstanding as of December 31, 2024 (250,000,000 shares authorized)	`CommonStockValueOutstanding`	$884.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.00B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.00B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.01B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.01B	USD	Point-in-time
Treasury Stock, at cost: 11,275,594 and 9,301,900 common shares as of September 30, 2025 and December 31, 2024, respectively	`TreasuryStockCommonValue`	$246.59M	USD	Point-in-time
Treasury Stock, at cost: 11,275,594 and 9,301,900 common shares as of September 30, 2025 and December 31, 2024, respectively	`TreasuryStockCommonValue`	$246.59M	USD	Point-in-time
Treasury Stock, at cost: 11,275,594 and 9,301,900 common shares as of September 30, 2025 and December 31, 2024, respectively	`TreasuryStockCommonValue`	$320.88M	USD	Point-in-time
Treasury Stock, at cost: 11,275,594 and 9,301,900 common shares as of September 30, 2025 and December 31, 2024, respectively	`TreasuryStockCommonValue`	$320.88M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-124.80M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-124.80M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-53.65M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-53.65M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.58B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.58B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.88B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.88B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$1.93B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$1.93B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$1.98B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$1.98B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$2.05B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$2.05B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$2.20B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$2.20B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$2.22B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$2.22B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$2.32B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$2.32B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$2.42B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$2.42B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$2.51B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$2.51B	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$3.35B	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$3.35B	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$3.73B	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$3.73B	USD	Point-in-time

Income Statement 208 line items

Line Item	Tag	Value	Unit	Period
Unrealized gains (losses) in accumulated other comprehensive loss , net of tax (expense ) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-18.44M	USD	1 Quarter
Unrealized gains (losses) in accumulated other comprehensive loss , net of tax (expense ) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-18.44M	USD	1 Quarter
Unrealized gains (losses) in accumulated other comprehensive loss , net of tax (expense ) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-15.30M	USD	3 Qtrs
Unrealized gains (losses) in accumulated other comprehensive loss , net of tax (expense ) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-15.30M	USD	3 Qtrs
Unrealized gains (losses) in accumulated other comprehensive loss , net of tax (expense ) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-5.14M	USD	1 Quarter
Unrealized gains (losses) in accumulated other comprehensive loss , net of tax (expense ) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-5.14M	USD	1 Quarter
Unrealized gains (losses) in accumulated other comprehensive loss , net of tax (expense ) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-18.90M	USD	3 Qtrs
Unrealized gains (losses) in accumulated other comprehensive loss , net of tax (expense ) benefit	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-18.90M	USD	3 Qtrs
Reclassification adjustment for realized (gains) losses included in net income, net of tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$-2.00K	USD	1 Quarter
Reclassification adjustment for realized (gains) losses included in net income, net of tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$-2.00K	USD	1 Quarter
Reclassification adjustment for realized (gains) losses included in net income, net of tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$-2.00K	USD	3 Qtrs
Reclassification adjustment for realized (gains) losses included in net income, net of tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$-2.00K	USD	3 Qtrs
Reclassification adjustment for realized (gains) losses included in net income, net of tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$67.00K	USD	1 Quarter
Reclassification adjustment for realized (gains) losses included in net income, net of tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$67.00K	USD	1 Quarter
Reclassification adjustment for realized (gains) losses included in net income, net of tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$-12.00K	USD	3 Qtrs
Reclassification adjustment for realized (gains) losses included in net income, net of tax benefit	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$-12.00K	USD	3 Qtrs
Net premiums earned	`PremiumsEarnedNet`	$143.34M	USD	1 Quarter
Net premiums earned	`PremiumsEarnedNet`	$143.34M	USD	1 Quarter
Net premiums earned	`PremiumsEarnedNet`	$421.17M	USD	3 Qtrs
Net premiums earned	`PremiumsEarnedNet`	$421.17M	USD	3 Qtrs
Net premiums earned	`PremiumsEarnedNet`	$151.32M	USD	1 Quarter
Net premiums earned	`PremiumsEarnedNet`	$151.32M	USD	1 Quarter
Net premiums earned	`PremiumsEarnedNet`	$449.75M	USD	3 Qtrs
Net premiums earned	`PremiumsEarnedNet`	$449.75M	USD	3 Qtrs
Net investment income	`NetInvestmentIncome`	$22.47M	USD	1 Quarter
Net investment income	`NetInvestmentIncome`	$22.47M	USD	1 Quarter
Net investment income	`NetInvestmentIncome`	$62.60M	USD	3 Qtrs
Net investment income	`NetInvestmentIncome`	$62.60M	USD	3 Qtrs
Net investment income	`NetInvestmentIncome`	$26.77M	USD	1 Quarter
Net investment income	`NetInvestmentIncome`	$26.77M	USD	1 Quarter
Net investment income	`NetInvestmentIncome`	$75.41M	USD	3 Qtrs
Net investment income	`NetInvestmentIncome`	$75.41M	USD	3 Qtrs
Net realized investment gains (losses)	`GainLossOnInvestments`	$-10.00K	USD	1 Quarter
Net realized investment gains (losses)	`GainLossOnInvestments`	$-10.00K	USD	1 Quarter
Net realized investment gains (losses)	`GainLossOnInvestments`	$-10.00K	USD	3 Qtrs
Net realized investment gains (losses)	`GainLossOnInvestments`	$-10.00K	USD	3 Qtrs
Net realized investment gains (losses)	`GainLossOnInvestments`	$321.00K	USD	1 Quarter
Net realized investment gains (losses)	`GainLossOnInvestments`	$321.00K	USD	1 Quarter
Net realized investment gains (losses)	`GainLossOnInvestments`	$-55.00K	USD	3 Qtrs
Net realized investment gains (losses)	`GainLossOnInvestments`	$-55.00K	USD	3 Qtrs
Other revenues	`OtherIncome`	$285.00K	USD	1 Quarter
Other revenues	`OtherIncome`	$285.00K	USD	1 Quarter
Other revenues	`OtherIncome`	$711.00K	USD	3 Qtrs
Other revenues	`OtherIncome`	$711.00K	USD	3 Qtrs
Other revenues	`OtherIncome`	$262.00K	USD	1 Quarter
Other revenues	`OtherIncome`	$262.00K	USD	1 Quarter
Other revenues	`OtherIncome`	$596.00K	USD	3 Qtrs
Other revenues	`OtherIncome`	$596.00K	USD	3 Qtrs
Total revenues	`Revenues`	$166.09M	USD	1 Quarter
Total revenues	`Revenues`	$166.09M	USD	1 Quarter
Total revenues	`Revenues`	$484.47M	USD	3 Qtrs
Total revenues	`Revenues`	$484.47M	USD	3 Qtrs
Total revenues	`Revenues`	$178.68M	USD	1 Quarter
Total revenues	`Revenues`	$178.68M	USD	1 Quarter
Total revenues	`Revenues`	$525.70M	USD	3 Qtrs
Total revenues	`Revenues`	$525.70M	USD	3 Qtrs
Insurance claims and claim expenses	`PolicyholderBenefitsAndClaimsIncurredNet`	$10.32M	USD	1 Quarter
Insurance claims and claim expenses	`PolicyholderBenefitsAndClaimsIncurredNet`	$10.32M	USD	1 Quarter
Insurance claims and claim expenses	`PolicyholderBenefitsAndClaimsIncurredNet`	$14.29M	USD	3 Qtrs
Insurance claims and claim expenses	`PolicyholderBenefitsAndClaimsIncurredNet`	$14.29M	USD	3 Qtrs
Insurance claims and claim expenses	`PolicyholderBenefitsAndClaimsIncurredNet`	$18.55M	USD	1 Quarter
Insurance claims and claim expenses	`PolicyholderBenefitsAndClaimsIncurredNet`	$18.55M	USD	1 Quarter
Insurance claims and claim expenses	`PolicyholderBenefitsAndClaimsIncurredNet`	$36.48M	USD	3 Qtrs
Insurance claims and claim expenses	`PolicyholderBenefitsAndClaimsIncurredNet`	$36.48M	USD	3 Qtrs
Underwriting and operating expenses	`OtherCostAndExpenseOperating`	$29.16M	USD	1 Quarter
Underwriting and operating expenses	`OtherCostAndExpenseOperating`	$29.16M	USD	1 Quarter
Underwriting and operating expenses	`OtherCostAndExpenseOperating`	$87.31M	USD	3 Qtrs
Underwriting and operating expenses	`OtherCostAndExpenseOperating`	$87.31M	USD	3 Qtrs
Underwriting and operating expenses	`OtherCostAndExpenseOperating`	$29.16M	USD	1 Quarter
Underwriting and operating expenses	`OtherCostAndExpenseOperating`	$29.16M	USD	1 Quarter
Underwriting and operating expenses	`OtherCostAndExpenseOperating`	$88.84M	USD	3 Qtrs
Underwriting and operating expenses	`OtherCostAndExpenseOperating`	$88.84M	USD	3 Qtrs
Service expenses	`OtherNonoperatingExpense`	$208.00K	USD	1 Quarter
Service expenses	`OtherNonoperatingExpense`	$208.00K	USD	1 Quarter
Service expenses	`OtherNonoperatingExpense`	$539.00K	USD	3 Qtrs
Service expenses	`OtherNonoperatingExpense`	$539.00K	USD	3 Qtrs
Service expenses	`OtherNonoperatingExpense`	$162.00K	USD	1 Quarter
Service expenses	`OtherNonoperatingExpense`	$162.00K	USD	1 Quarter
Service expenses	`OtherNonoperatingExpense`	$388.00K	USD	3 Qtrs
Service expenses	`OtherNonoperatingExpense`	$388.00K	USD	3 Qtrs
Interest expense	`InterestExpenseNonoperating`	$7.08M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$7.08M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$29.79M	USD	3 Qtrs
Interest expense	`InterestExpenseNonoperating`	$29.79M	USD	3 Qtrs
Interest expense	`InterestExpenseNonoperating`	$7.12M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$7.12M	USD	1 Quarter
Interest expense	`InterestExpenseNonoperating`	$21.34M	USD	3 Qtrs
Interest expense	`InterestExpenseNonoperating`	$21.34M	USD	3 Qtrs
Total expenses	`CostsAndExpenses`	$46.77M	USD	1 Quarter
Total expenses	`CostsAndExpenses`	$46.77M	USD	1 Quarter
Total expenses	`CostsAndExpenses`	$131.93M	USD	3 Qtrs
Total expenses	`CostsAndExpenses`	$131.93M	USD	3 Qtrs
Total expenses	`CostsAndExpenses`	$55.00M	USD	1 Quarter
Total expenses	`CostsAndExpenses`	$55.00M	USD	1 Quarter
Total expenses	`CostsAndExpenses`	$147.05M	USD	3 Qtrs
Total expenses	`CostsAndExpenses`	$147.05M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$119.33M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$119.33M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$352.54M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$352.54M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$123.68M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$123.68M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$378.65M	USD	3 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$378.65M	USD	3 Qtrs
Income tax expense	`IncomeTaxExpenseBenefit`	$26.52M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$26.52M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$78.60M	USD	3 Qtrs
Income tax expense	`IncomeTaxExpenseBenefit`	$78.60M	USD	3 Qtrs
Income tax expense	`IncomeTaxExpenseBenefit`	$27.68M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$27.68M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$83.95M	USD	3 Qtrs
Income tax expense	`IncomeTaxExpenseBenefit`	$83.95M	USD	3 Qtrs
Net income	`NetIncomeLoss`	$89.05M	USD	1 Quarter
Net income	`NetIncomeLoss`	$89.05M	USD	1 Quarter
Net income	`NetIncomeLoss`	$92.08M	USD	1 Quarter
Net income	`NetIncomeLoss`	$92.08M	USD	1 Quarter
Net income	`NetIncomeLoss`	$92.81M	USD	1 Quarter
Net income	`NetIncomeLoss`	$92.81M	USD	1 Quarter
Net income	`NetIncomeLoss`	$273.94M	USD	3 Qtrs
Net income	`NetIncomeLoss`	$273.94M	USD	3 Qtrs
Net income	`NetIncomeLoss`	$102.56M	USD	1 Quarter
Net income	`NetIncomeLoss`	$102.56M	USD	1 Quarter
Net income	`NetIncomeLoss`	$96.15M	USD	1 Quarter
Net income	`NetIncomeLoss`	$96.15M	USD	1 Quarter
Net income	`NetIncomeLoss`	$96.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$96.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$294.71M	USD	3 Qtrs
Net income	`NetIncomeLoss`	$294.71M	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.17	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.17	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$3.42	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$3.42	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.24	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.24	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$3.78	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$3.78	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.15	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.15	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$3.36	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$3.36	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.22	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.22	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$3.72	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$3.72	USD	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	79.55M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	79.55M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	80.13M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	80.13M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	77.41M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	77.41M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	77.94M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	77.94M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	81.05M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	81.05M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	81.48M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	81.48M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	78.83M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	78.83M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	79.31M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	79.31M	shares	3 Qtrs
Net income	`NetIncomeLoss`	$89.05M	USD	1 Quarter
Net income	`NetIncomeLoss`	$89.05M	USD	1 Quarter
Net income	`NetIncomeLoss`	$92.08M	USD	1 Quarter
Net income	`NetIncomeLoss`	$92.08M	USD	1 Quarter
Net income	`NetIncomeLoss`	$92.81M	USD	1 Quarter
Net income	`NetIncomeLoss`	$92.81M	USD	1 Quarter
Net income	`NetIncomeLoss`	$273.94M	USD	3 Qtrs
Net income	`NetIncomeLoss`	$273.94M	USD	3 Qtrs
Net income	`NetIncomeLoss`	$102.56M	USD	1 Quarter
Net income	`NetIncomeLoss`	$102.56M	USD	1 Quarter
Net income	`NetIncomeLoss`	$96.15M	USD	1 Quarter
Net income	`NetIncomeLoss`	$96.15M	USD	1 Quarter
Net income	`NetIncomeLoss`	$96.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$96.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$294.71M	USD	3 Qtrs
Net income	`NetIncomeLoss`	$294.71M	USD	3 Qtrs
Unrealized gains in accumulated other comprehensive loss, net of tax expense of $5,145 and $18,441 for the three months ended September 30, 2025 and 2024, and $18,901 and $15,300 for the nine months ended September 30, 2025 and 2024, respectively	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$69.37M	USD	1 Quarter
Unrealized gains in accumulated other comprehensive loss, net of tax expense of $5,145 and $18,441 for the three months ended September 30, 2025 and 2024, and $18,901 and $15,300 for the nine months ended September 30, 2025 and 2024, respectively	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$69.37M	USD	1 Quarter
Unrealized gains in accumulated other comprehensive loss, net of tax expense of $5,145 and $18,441 for the three months ended September 30, 2025 and 2024, and $18,901 and $15,300 for the nine months ended September 30, 2025 and 2024, respectively	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$57.92M	USD	3 Qtrs
Unrealized gains in accumulated other comprehensive loss, net of tax expense of $5,145 and $18,441 for the three months ended September 30, 2025 and 2024, and $18,901 and $15,300 for the nine months ended September 30, 2025 and 2024, respectively	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$57.92M	USD	3 Qtrs
Unrealized gains in accumulated other comprehensive loss, net of tax expense of $5,145 and $18,441 for the three months ended September 30, 2025 and 2024, and $18,901 and $15,300 for the nine months ended September 30, 2025 and 2024, respectively	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$19.36M	USD	1 Quarter
Unrealized gains in accumulated other comprehensive loss, net of tax expense of $5,145 and $18,441 for the three months ended September 30, 2025 and 2024, and $18,901 and $15,300 for the nine months ended September 30, 2025 and 2024, respectively	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$19.36M	USD	1 Quarter
Unrealized gains in accumulated other comprehensive loss, net of tax expense of $5,145 and $18,441 for the three months ended September 30, 2025 and 2024, and $18,901 and $15,300 for the nine months ended September 30, 2025 and 2024, respectively	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$71.11M	USD	3 Qtrs
Unrealized gains in accumulated other comprehensive loss, net of tax expense of $5,145 and $18,441 for the three months ended September 30, 2025 and 2024, and $18,901 and $15,300 for the nine months ended September 30, 2025 and 2024, respectively	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$71.11M	USD	3 Qtrs
Reclassification adjustment for realized (gains) losses included in net income, net of tax expense (benefit) of $67 and $(2) for the three months ended September 30, 2025 and 2024, and $(12) and $(2) for the nine months ended September 30, 2025 and 2024, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$-8.00K	USD	1 Quarter
Reclassification adjustment for realized (gains) losses included in net income, net of tax expense (benefit) of $67 and $(2) for the three months ended September 30, 2025 and 2024, and $(12) and $(2) for the nine months ended September 30, 2025 and 2024, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$-8.00K	USD	1 Quarter
Reclassification adjustment for realized (gains) losses included in net income, net of tax expense (benefit) of $67 and $(2) for the three months ended September 30, 2025 and 2024, and $(12) and $(2) for the nine months ended September 30, 2025 and 2024, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$-8.00K	USD	3 Qtrs
Reclassification adjustment for realized (gains) losses included in net income, net of tax expense (benefit) of $67 and $(2) for the three months ended September 30, 2025 and 2024, and $(12) and $(2) for the nine months ended September 30, 2025 and 2024, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$-8.00K	USD	3 Qtrs
Reclassification adjustment for realized (gains) losses included in net income, net of tax expense (benefit) of $67 and $(2) for the three months ended September 30, 2025 and 2024, and $(12) and $(2) for the nine months ended September 30, 2025 and 2024, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$253.00K	USD	1 Quarter
Reclassification adjustment for realized (gains) losses included in net income, net of tax expense (benefit) of $67 and $(2) for the three months ended September 30, 2025 and 2024, and $(12) and $(2) for the nine months ended September 30, 2025 and 2024, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$253.00K	USD	1 Quarter
Reclassification adjustment for realized (gains) losses included in net income, net of tax expense (benefit) of $67 and $(2) for the three months ended September 30, 2025 and 2024, and $(12) and $(2) for the nine months ended September 30, 2025 and 2024, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$-44.00K	USD	3 Qtrs
Reclassification adjustment for realized (gains) losses included in net income, net of tax expense (benefit) of $67 and $(2) for the three months ended September 30, 2025 and 2024, and $(12) and $(2) for the nine months ended September 30, 2025 and 2024, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$-44.00K	USD	3 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$69.38M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$69.38M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$57.93M	USD	3 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$57.93M	USD	3 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$19.10M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$19.10M	USD	1 Quarter
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$71.15M	USD	3 Qtrs
Other comprehensive income, net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$71.15M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$162.19M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$162.19M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$331.87M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$331.87M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$115.10M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$115.10M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$365.86M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$365.86M	USD	3 Qtrs

Cash Flow Statement 172 line items

Line Item	Tag	Value	Unit	Period
Net income	`NetIncomeLoss`	$89.05M	USD	1 Quarter
Net income	`NetIncomeLoss`	$89.05M	USD	1 Quarter
Net income	`NetIncomeLoss`	$92.08M	USD	1 Quarter
Net income	`NetIncomeLoss`	$92.08M	USD	1 Quarter
Net income	`NetIncomeLoss`	$92.81M	USD	1 Quarter
Net income	`NetIncomeLoss`	$92.81M	USD	1 Quarter
Net income	`NetIncomeLoss`	$273.94M	USD	3 Qtrs
Net income	`NetIncomeLoss`	$273.94M	USD	3 Qtrs
Net income	`NetIncomeLoss`	$102.56M	USD	1 Quarter
Net income	`NetIncomeLoss`	$102.56M	USD	1 Quarter
Net income	`NetIncomeLoss`	$96.15M	USD	1 Quarter
Net income	`NetIncomeLoss`	$96.15M	USD	1 Quarter
Net income	`NetIncomeLoss`	$96.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$96.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$294.71M	USD	3 Qtrs
Net income	`NetIncomeLoss`	$294.71M	USD	3 Qtrs
Net realized investment loss	`DebtSecuritiesAvailableForSaleRealizedGainLoss`	$-10.00K	USD	1 Quarter
Net realized investment loss	`DebtSecuritiesAvailableForSaleRealizedGainLoss`	$-10.00K	USD	1 Quarter
Net realized investment loss	`DebtSecuritiesAvailableForSaleRealizedGainLoss`	$-10.00K	USD	3 Qtrs
Net realized investment loss	`DebtSecuritiesAvailableForSaleRealizedGainLoss`	$-10.00K	USD	3 Qtrs
Net realized investment loss	`DebtSecuritiesAvailableForSaleRealizedGainLoss`	$321.00K	USD	1 Quarter
Net realized investment loss	`DebtSecuritiesAvailableForSaleRealizedGainLoss`	$321.00K	USD	1 Quarter
Net realized investment loss	`DebtSecuritiesAvailableForSaleRealizedGainLoss`	$-55.00K	USD	3 Qtrs
Net realized investment loss	`DebtSecuritiesAvailableForSaleRealizedGainLoss`	$-55.00K	USD	3 Qtrs
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$8.97M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$8.97M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$8.56M	USD	3 Qtrs
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$8.56M	USD	3 Qtrs
Net accretion of discount on investment securities	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$229.00K	USD	3 Qtrs
Net accretion of discount on investment securities	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$229.00K	USD	3 Qtrs
Net accretion of discount on investment securities	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$3.04M	USD	3 Qtrs
Net accretion of discount on investment securities	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$3.04M	USD	3 Qtrs
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-6.97M	USD	3 Qtrs
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-6.97M	USD	3 Qtrs
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	3 Qtrs
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	3 Qtrs
Amortization of debt discount and debt issuance costs	`AmortizationOfFinancingCostsAndDiscounts`	$1.63M	USD	3 Qtrs
Amortization of debt discount and debt issuance costs	`AmortizationOfFinancingCostsAndDiscounts`	$1.63M	USD	3 Qtrs
Amortization of debt discount and debt issuance costs	`AmortizationOfFinancingCostsAndDiscounts`	$1.80M	USD	3 Qtrs
Amortization of debt discount and debt issuance costs	`AmortizationOfFinancingCostsAndDiscounts`	$1.80M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$64.00M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$64.00M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$58.16M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$58.16M	USD	3 Qtrs
Share-based compensation expense	`ShareBasedCompensation`	$12.67M	USD	3 Qtrs
Share-based compensation expense	`ShareBasedCompensation`	$12.67M	USD	3 Qtrs
Share-based compensation expense	`ShareBasedCompensation`	$13.97M	USD	3 Qtrs
Share-based compensation expense	`ShareBasedCompensation`	$13.97M	USD	3 Qtrs
Premiums receivable, net	`IncreaseDecreaseInPremiumsReceivable`	$2.00M	USD	3 Qtrs
Premiums receivable, net	`IncreaseDecreaseInPremiumsReceivable`	$2.00M	USD	3 Qtrs
Premiums receivable, net	`IncreaseDecreaseInPremiumsReceivable`	$2.93M	USD	3 Qtrs
Premiums receivable, net	`IncreaseDecreaseInPremiumsReceivable`	$2.93M	USD	3 Qtrs
Accrued investment income	`IncreaseDecreaseInAccruedInvestmentIncomeReceivable`	$1.85M	USD	3 Qtrs
Accrued investment income	`IncreaseDecreaseInAccruedInvestmentIncomeReceivable`	$1.85M	USD	3 Qtrs
Accrued investment income	`IncreaseDecreaseInAccruedInvestmentIncomeReceivable`	$3.40M	USD	3 Qtrs
Accrued investment income	`IncreaseDecreaseInAccruedInvestmentIncomeReceivable`	$3.40M	USD	3 Qtrs
Deferred policy acquisition costs, net	`IncreaseDecreaseInDeferredPolicyAcquisitionCosts`	$898.00K	USD	3 Qtrs
Deferred policy acquisition costs, net	`IncreaseDecreaseInDeferredPolicyAcquisitionCosts`	$898.00K	USD	3 Qtrs
Deferred policy acquisition costs, net	`IncreaseDecreaseInDeferredPolicyAcquisitionCosts`	$-135.00K	USD	3 Qtrs
Deferred policy acquisition costs, net	`IncreaseDecreaseInDeferredPolicyAcquisitionCosts`	$-135.00K	USD	3 Qtrs
Reinsurance recoverable	`IncreaseDecreaseInReinsuranceRecoverable`	$1.70M	USD	3 Qtrs
Reinsurance recoverable	`IncreaseDecreaseInReinsuranceRecoverable`	$1.70M	USD	3 Qtrs
Reinsurance recoverable	`IncreaseDecreaseInReinsuranceRecoverable`	$3.06M	USD	3 Qtrs
Reinsurance recoverable	`IncreaseDecreaseInReinsuranceRecoverable`	$3.06M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$1.62M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$1.62M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$4.80M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$4.80M	USD	3 Qtrs
Unearned premiums	`IncreaseDecreaseInUnearnedPremiums`	$-20.70M	USD	3 Qtrs
Unearned premiums	`IncreaseDecreaseInUnearnedPremiums`	$-20.70M	USD	3 Qtrs
Unearned premiums	`IncreaseDecreaseInUnearnedPremiums`	$-15.42M	USD	3 Qtrs
Unearned premiums	`IncreaseDecreaseInUnearnedPremiums`	$-15.42M	USD	3 Qtrs
Reserve for insurance claims and claim expenses	`IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve`	$11.55M	USD	3 Qtrs
Reserve for insurance claims and claim expenses	`IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve`	$11.55M	USD	3 Qtrs
Reserve for insurance claims and claim expenses	`IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve`	$28.28M	USD	3 Qtrs
Reserve for insurance claims and claim expenses	`IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve`	$28.28M	USD	3 Qtrs
Reinsurance balances, net	`IncreaseDecreaseinReinsuranceAssetsandLiabilities`	$601.00K	USD	3 Qtrs
Reinsurance balances, net	`IncreaseDecreaseinReinsuranceAssetsandLiabilities`	$601.00K	USD	3 Qtrs
Reinsurance balances, net	`IncreaseDecreaseinReinsuranceAssetsandLiabilities`	$131.00K	USD	3 Qtrs
Reinsurance balances, net	`IncreaseDecreaseinReinsuranceAssetsandLiabilities`	$131.00K	USD	3 Qtrs
Accounts payable and accrued expenses	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$7.64M	USD	3 Qtrs
Accounts payable and accrued expenses	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$7.64M	USD	3 Qtrs
Accounts payable and accrued expenses	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-15.34M	USD	3 Qtrs
Accounts payable and accrued expenses	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$-15.34M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$357.78M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$357.78M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$357.56M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$357.56M	USD	3 Qtrs
Purchase of short-term investments	`PaymentsToAcquireShortTermInvestments`	$142.41M	USD	3 Qtrs
Purchase of short-term investments	`PaymentsToAcquireShortTermInvestments`	$142.41M	USD	3 Qtrs
Purchase of short-term investments	`PaymentsToAcquireShortTermInvestments`	$149.96M	USD	3 Qtrs
Purchase of short-term investments	`PaymentsToAcquireShortTermInvestments`	$149.96M	USD	3 Qtrs
Purchase of fixed-maturity investments, available-for-sale	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$355.89M	USD	3 Qtrs
Purchase of fixed-maturity investments, available-for-sale	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$355.89M	USD	3 Qtrs
Purchase of fixed-maturity investments, available-for-sale	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$397.58M	USD	3 Qtrs
Purchase of fixed-maturity investments, available-for-sale	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$397.58M	USD	3 Qtrs
Proceeds from maturities of short-term investments	`ProceedsFromSaleOfShortTermInvestments`	$83.70M	USD	3 Qtrs
Proceeds from maturities of short-term investments	`ProceedsFromSaleOfShortTermInvestments`	$83.70M	USD	3 Qtrs
Proceeds from maturities of short-term investments	`ProceedsFromSaleOfShortTermInvestments`	$116.70M	USD	3 Qtrs
Proceeds from maturities of short-term investments	`ProceedsFromSaleOfShortTermInvestments`	$116.70M	USD	3 Qtrs
Proceeds from maturities and redemptions of fixed-maturity investments, available-for-sale	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$166.96M	USD	3 Qtrs
Proceeds from maturities and redemptions of fixed-maturity investments, available-for-sale	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$166.96M	USD	3 Qtrs
Proceeds from maturities and redemptions of fixed-maturity investments, available-for-sale	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$217.34M	USD	3 Qtrs
Proceeds from maturities and redemptions of fixed-maturity investments, available-for-sale	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$217.34M	USD	3 Qtrs
Proceeds from sales of fixed-maturity investments, available-for-sale	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	-	USD	3 Qtrs
Proceeds from sales of fixed-maturity investments, available-for-sale	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	-	USD	3 Qtrs
Proceeds from sales of fixed-maturity investments, available-for-sale	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$19.81M	USD	3 Qtrs
Proceeds from sales of fixed-maturity investments, available-for-sale	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$19.81M	USD	3 Qtrs
Additions to software and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$5.51M	USD	3 Qtrs
Additions to software and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$5.51M	USD	3 Qtrs
Additions to software and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$5.13M	USD	3 Qtrs
Additions to software and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$5.13M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-253.16M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-253.16M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-198.81M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-198.81M	USD	3 Qtrs
Proceeds from issuance of common stock related to employee equity plans	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$4.28M	USD	3 Qtrs
Proceeds from issuance of common stock related to employee equity plans	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$4.28M	USD	3 Qtrs
Proceeds from issuance of common stock related to employee equity plans	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$2.88M	USD	3 Qtrs
Proceeds from issuance of common stock related to employee equity plans	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$2.88M	USD	3 Qtrs
Taxes paid related to net share settlement of equity awards	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$10.19M	USD	3 Qtrs
Taxes paid related to net share settlement of equity awards	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$10.19M	USD	3 Qtrs
Taxes paid related to net share settlement of equity awards	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$10.98M	USD	3 Qtrs
Taxes paid related to net share settlement of equity awards	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$10.98M	USD	3 Qtrs
Proceeds from senior unsecured notes	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$419.70M	USD	3 Qtrs
Proceeds from senior unsecured notes	`ProceedsFromIssuanceOfSeniorLongTermDebt`	$419.70M	USD	3 Qtrs
Proceeds from senior unsecured notes	`ProceedsFromIssuanceOfSeniorLongTermDebt`	-	USD	3 Qtrs
Proceeds from senior unsecured notes	`ProceedsFromIssuanceOfSeniorLongTermDebt`	-	USD	3 Qtrs
Repayments of senior secured notes	`RepaymentsOfSeniorDebt`	$405.08M	USD	3 Qtrs
Repayments of senior secured notes	`RepaymentsOfSeniorDebt`	$405.08M	USD	3 Qtrs
Repayments of senior secured notes	`RepaymentsOfSeniorDebt`	-	USD	3 Qtrs
Repayments of senior secured notes	`RepaymentsOfSeniorDebt`	-	USD	3 Qtrs
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$7.79M	USD	3 Qtrs
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$7.79M	USD	3 Qtrs
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	-	USD	3 Qtrs
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	-	USD	3 Qtrs
Repurchases of common stock	`PaymentsForRepurchaseOfCommonStock`	$68.93M	USD	3 Qtrs
Repurchases of common stock	`PaymentsForRepurchaseOfCommonStock`	$68.93M	USD	3 Qtrs
Repurchases of common stock	`PaymentsForRepurchaseOfCommonStock`	$74.51M	USD	3 Qtrs
Repurchases of common stock	`PaymentsForRepurchaseOfCommonStock`	$74.51M	USD	3 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-68.00M	USD	3 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-68.00M	USD	3 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-82.61M	USD	3 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-82.61M	USD	3 Qtrs
Net increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$36.63M	USD	3 Qtrs
Net increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$36.63M	USD	3 Qtrs
Net increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$76.13M	USD	3 Qtrs
Net increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$76.13M	USD	3 Qtrs
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$96.69M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$96.69M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$133.32M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$133.32M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$54.31M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$54.31M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$130.44M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$130.44M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$96.69M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$96.69M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$133.32M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$133.32M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$54.31M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$54.31M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$130.44M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$130.44M	USD	Point-in-time
Interest paid	`InterestPaidNet`	-	USD	3 Qtrs
Interest paid	`InterestPaidNet`	-	USD	3 Qtrs
Interest paid	`InterestPaidNet`	$31.45M	USD	3 Qtrs
Interest paid	`InterestPaidNet`	$31.45M	USD	3 Qtrs
Income taxes paid	`IncomeTaxesPaidNet`	$9.39M	USD	3 Qtrs
Income taxes paid	`IncomeTaxesPaidNet`	$9.39M	USD	3 Qtrs
Income taxes paid	`IncomeTaxesPaidNet`	$32.22M	USD	3 Qtrs
Income taxes paid	`IncomeTaxesPaidNet`	$32.22M	USD	3 Qtrs

Stockholders Equity 120 line items

Line Item	Tag	Value	Unit	Period
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$-2.73M	USD	1 Quarter
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$-2.73M	USD	1 Quarter
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$-412.00K	USD	1 Quarter
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$-412.00K	USD	1 Quarter
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$-18.44M	USD	1 Quarter
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$-18.44M	USD	1 Quarter
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$8.18M	USD	1 Quarter
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$8.18M	USD	1 Quarter
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$5.65M	USD	1 Quarter
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$5.65M	USD	1 Quarter
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$5.08M	USD	1 Quarter
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$5.08M	USD	1 Quarter
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	78.60M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	78.60M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	77.10M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	77.10M	shares	Point-in-time
Beginning balance	`StockholdersEquity`	$1.93B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.93B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.98B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.98B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$2.05B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$2.05B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$2.20B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$2.20B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$2.22B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$2.22B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$2.32B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$2.32B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$2.42B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$2.42B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$2.51B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$2.51B	USD	Point-in-time
Common stock: shares issued under stock plans, net of shares withheld for employee taxes	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings`	$-5.58M	USD	1 Quarter
Common stock: shares issued under stock plans, net of shares withheld for employee taxes	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings`	$-5.58M	USD	1 Quarter
Common stock: shares issued under stock plans, net of shares withheld for employee taxes	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings`	$-319.00K	USD	1 Quarter
Common stock: shares issued under stock plans, net of shares withheld for employee taxes	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings`	$-319.00K	USD	1 Quarter
Common stock: shares issued under stock plans, net of shares withheld for employee taxes	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings`	$-12.00K	USD	1 Quarter
Common stock: shares issued under stock plans, net of shares withheld for employee taxes	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings`	$-12.00K	USD	1 Quarter
Common stock: shares issued under stock plans, net of shares withheld for employee taxes	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings`	$-7.65M	USD	1 Quarter
Common stock: shares issued under stock plans, net of shares withheld for employee taxes	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings`	$-7.65M	USD	1 Quarter
Common stock: shares issued under stock plans, net of shares withheld for employee taxes	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings`	$-443.00K	USD	1 Quarter
Common stock: shares issued under stock plans, net of shares withheld for employee taxes	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings`	$-443.00K	USD	1 Quarter
Common stock: shares issued under stock plans, net of shares withheld for employee taxes	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings`	$-12.00K	USD	1 Quarter
Common stock: shares issued under stock plans, net of shares withheld for employee taxes	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings`	$-12.00K	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$25.31M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$25.31M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$27.10M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$27.10M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$17.04M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$17.04M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$26.05M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$26.05M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$23.40M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$23.40M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$24.83M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$24.83M	USD	1 Quarter
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$4.12M	USD	1 Quarter
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$4.12M	USD	1 Quarter
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$4.11M	USD	1 Quarter
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$4.11M	USD	1 Quarter
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$4.44M	USD	1 Quarter
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$4.44M	USD	1 Quarter
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$4.51M	USD	1 Quarter
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$4.51M	USD	1 Quarter
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$4.96M	USD	1 Quarter
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$4.96M	USD	1 Quarter
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$4.50M	USD	1 Quarter
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$4.50M	USD	1 Quarter
Change in unrealized investment gains/losses, net of tax expense (benefit)	`OtherComprehensiveIncomeLossNetOfTax`	$-9.90M	USD	1 Quarter
Change in unrealized investment gains/losses, net of tax expense (benefit)	`OtherComprehensiveIncomeLossNetOfTax`	$-9.90M	USD	1 Quarter
Change in unrealized investment gains/losses, net of tax expense (benefit)	`OtherComprehensiveIncomeLossNetOfTax`	$-1.55M	USD	1 Quarter
Change in unrealized investment gains/losses, net of tax expense (benefit)	`OtherComprehensiveIncomeLossNetOfTax`	$-1.55M	USD	1 Quarter
Change in unrealized investment gains/losses, net of tax expense (benefit)	`OtherComprehensiveIncomeLossNetOfTax`	$69.38M	USD	1 Quarter
Change in unrealized investment gains/losses, net of tax expense (benefit)	`OtherComprehensiveIncomeLossNetOfTax`	$69.38M	USD	1 Quarter
Change in unrealized investment gains/losses, net of tax expense (benefit)	`OtherComprehensiveIncomeLossNetOfTax`	$30.78M	USD	1 Quarter
Change in unrealized investment gains/losses, net of tax expense (benefit)	`OtherComprehensiveIncomeLossNetOfTax`	$30.78M	USD	1 Quarter
Change in unrealized investment gains/losses, net of tax expense (benefit)	`OtherComprehensiveIncomeLossNetOfTax`	$21.27M	USD	1 Quarter
Change in unrealized investment gains/losses, net of tax expense (benefit)	`OtherComprehensiveIncomeLossNetOfTax`	$21.27M	USD	1 Quarter
Change in unrealized investment gains/losses, net of tax expense (benefit)	`OtherComprehensiveIncomeLossNetOfTax`	$19.10M	USD	1 Quarter
Change in unrealized investment gains/losses, net of tax expense (benefit)	`OtherComprehensiveIncomeLossNetOfTax`	$19.10M	USD	1 Quarter
Net income	`NetIncomeLoss`	$89.05M	USD	1 Quarter
Net income	`NetIncomeLoss`	$89.05M	USD	1 Quarter
Net income	`NetIncomeLoss`	$92.08M	USD	1 Quarter
Net income	`NetIncomeLoss`	$92.08M	USD	1 Quarter
Net income	`NetIncomeLoss`	$92.81M	USD	1 Quarter
Net income	`NetIncomeLoss`	$92.81M	USD	1 Quarter
Net income	`NetIncomeLoss`	$273.94M	USD	3 Qtrs
Net income	`NetIncomeLoss`	$273.94M	USD	3 Qtrs
Net income	`NetIncomeLoss`	$102.56M	USD	1 Quarter
Net income	`NetIncomeLoss`	$102.56M	USD	1 Quarter
Net income	`NetIncomeLoss`	$96.15M	USD	1 Quarter
Net income	`NetIncomeLoss`	$96.15M	USD	1 Quarter
Net income	`NetIncomeLoss`	$96.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$96.00M	USD	1 Quarter
Net income	`NetIncomeLoss`	$294.71M	USD	3 Qtrs
Net income	`NetIncomeLoss`	$294.71M	USD	3 Qtrs
Ending balance (in shares)	`CommonStockSharesOutstanding`	78.60M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	78.60M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	77.10M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	77.10M	shares	Point-in-time
Ending balance	`StockholdersEquity`	$1.93B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.93B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.98B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.98B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$2.05B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$2.05B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$2.20B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$2.20B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$2.22B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$2.22B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$2.32B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$2.32B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$2.42B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$2.42B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$2.51B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$2.51B	USD	Point-in-time

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