10-K Filing

NMI HOLDINGS, INC. CIK: 1547903 FY 2024

Filing Information

Form Type	10-K
Accession Number	`0001547903-25-000026`
Period End Date	20241231
Filing Date	20250214
Fiscal Year	2024
Fiscal Period	FY
XBRL Instance	nmih-20241231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 144 Income Statement 150 Cash Flow Statement 238 Stockholders Equity 62

Balance Sheet 144 line items

Line Item	Tag	Value	Unit	Period
Amortized Cost	`AvailableForSaleDebtSecuritiesAmortizedCostBasis`	$2.88B	USD	Point-in-time
Amortized Cost	`AvailableForSaleDebtSecuritiesAmortizedCostBasis`	$2.88B	USD	Point-in-time
Amortized Cost	`AvailableForSaleDebtSecuritiesAmortizedCostBasis`	$2.54B	USD	Point-in-time
Amortized Cost	`AvailableForSaleDebtSecuritiesAmortizedCostBasis`	$2.54B	USD	Point-in-time
Fixed maturities, available-for-sale, at fair value (amortized cost of $2,876,343 and $2,542,862 as of December 31, 2024 and December 31, 2023, respectively)	`AvailableForSaleSecuritiesDebtSecurities`	$2.72B	USD	Point-in-time
Fixed maturities, available-for-sale, at fair value (amortized cost of $2,876,343 and $2,542,862 as of December 31, 2024 and December 31, 2023, respectively)	`AvailableForSaleSecuritiesDebtSecurities`	$2.72B	USD	Point-in-time
Fixed maturities, available-for-sale, at fair value (amortized cost of $2,876,343 and $2,542,862 as of December 31, 2024 and December 31, 2023, respectively)	`AvailableForSaleSecuritiesDebtSecurities`	$2.37B	USD	Point-in-time
Fixed maturities, available-for-sale, at fair value (amortized cost of $2,876,343 and $2,542,862 as of December 31, 2024 and December 31, 2023, respectively)	`AvailableForSaleSecuritiesDebtSecurities`	$2.37B	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`	$1.34M	USD	Point-in-time
Restricted cash	`RestrictedCash`	$1.34M	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
Cash and cash equivalents (including restricted cash of $90 and $1,338 as of December 31, 2024 and December 31, 2023, respectively)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$76.65M	USD	Point-in-time
Cash and cash equivalents (including restricted cash of $90 and $1,338 as of December 31, 2024 and December 31, 2023, respectively)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$76.65M	USD	Point-in-time
Cash and cash equivalents (including restricted cash of $90 and $1,338 as of December 31, 2024 and December 31, 2023, respectively)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$54.31M	USD	Point-in-time
Cash and cash equivalents (including restricted cash of $90 and $1,338 as of December 31, 2024 and December 31, 2023, respectively)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$54.31M	USD	Point-in-time
Cash and cash equivalents (including restricted cash of $90 and $1,338 as of December 31, 2024 and December 31, 2023, respectively)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$96.69M	USD	Point-in-time
Cash and cash equivalents (including restricted cash of $90 and $1,338 as of December 31, 2024 and December 31, 2023, respectively)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$96.69M	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
Cash and cash equivalents (including restricted cash of $90 and $1,338 as of December 31, 2024 and December 31, 2023, respectively)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$44.43M	USD	Point-in-time
Cash and cash equivalents (including restricted cash of $90 and $1,338 as of December 31, 2024 and December 31, 2023, respectively)	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$44.43M	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`	87.33M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	87.33M	shares	Point-in-time
Premiums receivable, net	`PremiumsReceivableAtCarryingValue`	$76.46M	USD	Point-in-time
Premiums receivable, net	`PremiumsReceivableAtCarryingValue`	$76.46M	USD	Point-in-time
Premiums receivable, net	`PremiumsReceivableAtCarryingValue`	$82.80M	USD	Point-in-time
Premiums receivable, net	`PremiumsReceivableAtCarryingValue`	$82.80M	USD	Point-in-time
Accrued investment income	`AccruedInvestmentIncomeReceivable`	$22.39M	USD	Point-in-time
Accrued investment income	`AccruedInvestmentIncomeReceivable`	$22.39M	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`	80.88M	shares	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	80.88M	shares	Point-in-time
Accrued investment income	`AccruedInvestmentIncomeReceivable`	$19.79M	USD	Point-in-time
Accrued investment income	`AccruedInvestmentIncomeReceivable`	$19.79M	USD	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
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`	$62.91M	USD	Point-in-time
Deferred policy acquisition costs, net	`DeferredPolicyAcquisitionCosts`	$62.91M	USD	Point-in-time
Software and equipment, net	`PropertyPlantAndEquipmentNet`	$30.25M	USD	Point-in-time
Software and equipment, net	`PropertyPlantAndEquipmentNet`	$30.25M	USD	Point-in-time
Treasury stock, common shares (in shares)	`TreasuryStockCommonShares`	6.45M	shares	Point-in-time
Treasury stock, common shares (in shares)	`TreasuryStockCommonShares`	6.45M	shares	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
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
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`	$27.51M	USD	Point-in-time
Reinsurance recoverable	`ReinsuranceRecoverablesGross`	$27.51M	USD	Point-in-time
Reinsurance recoverable	`ReinsuranceRecoverablesGross`	$32.26M	USD	Point-in-time
Reinsurance recoverable	`ReinsuranceRecoverablesGross`	$32.26M	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`	$235.29M	USD	Point-in-time
Prepaid federal income taxes	`PrepaidFederalIncomeTaxes`	$235.29M	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`	$16.96M	USD	Point-in-time
Other assets	`OtherAssets`	$16.96M	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`	$2.94B	USD	Point-in-time
Total assets	`Assets`	$2.94B	USD	Point-in-time
Debt	`SecuredDebt`	$397.60M	USD	Point-in-time
Debt	`SecuredDebt`	$397.60M	USD	Point-in-time
Debt	`SecuredDebt`	$415.15M	USD	Point-in-time
Debt	`SecuredDebt`	$415.15M	USD	Point-in-time
Unearned premiums	`UnearnedPremiums`	$92.30M	USD	Point-in-time
Unearned premiums	`UnearnedPremiums`	$92.30M	USD	Point-in-time
Unearned premiums	`UnearnedPremiums`	$65.22M	USD	Point-in-time
Unearned premiums	`UnearnedPremiums`	$65.22M	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`	$86.19M	USD	Point-in-time
Accounts payable and accrued expenses	`AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent`	$86.19M	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`	$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`	$103.55M	USD	Point-in-time
Reserve for insurance claims and claim expenses	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$103.55M	USD	Point-in-time
Reserve for insurance claims and claim expenses	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$99.84M	USD	Point-in-time
Reserve for insurance claims and claim expenses	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$99.84M	USD	Point-in-time
Deferred tax liability, net	`DeferredIncomeTaxLiabilitiesNet`	$301.57M	USD	Point-in-time
Deferred tax liability, net	`DeferredIncomeTaxLiabilitiesNet`	$301.57M	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
Other liabilities	`OtherLiabilities`	$10.75M	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$10.75M	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$12.88M	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$12.88M	USD	Point-in-time
Total liabilities	`Liabilities`	$1.01B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.01B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.13B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.13B	USD	Point-in-time
Commitments and contingencies (see Note 15)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (see Note 15)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (see Note 15)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (see Note 15)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Common stock - $0.01 par value; 87,902,626 shares issued and 78,600,726 shares outstanding as of December 31, 2024 and 87,334,138 shares issued and 80,881,280 shares outstanding as of December 31, 2023 (250,000,000 shares authorized)	`CommonStockValueOutstanding`	$873.00K	USD	Point-in-time
Common stock - $0.01 par value; 87,902,626 shares issued and 78,600,726 shares outstanding as of December 31, 2024 and 87,334,138 shares issued and 80,881,280 shares outstanding as of December 31, 2023 (250,000,000 shares authorized)	`CommonStockValueOutstanding`	$873.00K	USD	Point-in-time
Common stock - $0.01 par value; 87,902,626 shares issued and 78,600,726 shares outstanding as of December 31, 2024 and 87,334,138 shares issued and 80,881,280 shares outstanding as of December 31, 2023 (250,000,000 shares authorized)	`CommonStockValueOutstanding`	$879.00K	USD	Point-in-time
Common stock - $0.01 par value; 87,902,626 shares issued and 78,600,726 shares outstanding as of December 31, 2024 and 87,334,138 shares issued and 80,881,280 shares outstanding as of December 31, 2023 (250,000,000 shares authorized)	`CommonStockValueOutstanding`	$879.00K	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`	$990.82M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$990.82M	USD	Point-in-time
Treasury stock, at cost: 9,301,900 and 6,452,858 common shares as of December 31, 2024 and December 31, 2023, respectively	`TreasuryStockCommonValue`	$148.92M	USD	Point-in-time
Treasury stock, at cost: 9,301,900 and 6,452,858 common shares as of December 31, 2024 and December 31, 2023, respectively	`TreasuryStockCommonValue`	$148.92M	USD	Point-in-time
Treasury stock, at cost: 9,301,900 and 6,452,858 common shares as of December 31, 2024 and December 31, 2023, respectively	`TreasuryStockCommonValue`	$246.59M	USD	Point-in-time
Treasury stock, at cost: 9,301,900 and 6,452,858 common shares as of December 31, 2024 and December 31, 2023, respectively	`TreasuryStockCommonValue`	$246.59M	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`	$-139.92M	USD	Point-in-time
Accumulated other comprehensive loss, net of tax	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-139.92M	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`	$1.22B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.22B	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`	$1.57B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$1.57B	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`	$1.61B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$1.61B	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$2.94B	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$2.94B	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

Income Statement 150 line items

Line Item	Tag	Value	Unit	Period
Unrealized gains (losses) in accumulated other comprehensive income, tax expense (benefit)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-54.61M	USD	Annual
Unrealized gains (losses) in accumulated other comprehensive income, tax expense (benefit)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-54.61M	USD	Annual
Unrealized gains (losses) in accumulated other comprehensive income, tax expense (benefit)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$3.92M	USD	Annual
Unrealized gains (losses) in accumulated other comprehensive income, tax expense (benefit)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$3.92M	USD	Annual
Unrealized gains (losses) in accumulated other comprehensive income, tax expense (benefit)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$17.11M	USD	Annual
Unrealized gains (losses) in accumulated other comprehensive income, tax expense (benefit)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$17.11M	USD	Annual
Net premiums earned	`PremiumsEarnedNet`	$564.69M	USD	Annual
Net premiums earned	`PremiumsEarnedNet`	$564.69M	USD	Annual
Reclassification adjustment for realized losses (gains) included in net income, tax (benefit) expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$-7.00K	USD	Annual
Reclassification adjustment for realized losses (gains) included in net income, tax (benefit) expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$-7.00K	USD	Annual
Net premiums earned	`PremiumsEarnedNet`	$510.77M	USD	Annual
Net premiums earned	`PremiumsEarnedNet`	$510.77M	USD	Annual
Reclassification adjustment for realized losses (gains) included in net income, tax (benefit) expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$101.00K	USD	Annual
Reclassification adjustment for realized losses (gains) included in net income, tax (benefit) expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	$101.00K	USD	Annual
Reclassification adjustment for realized losses (gains) included in net income, tax (benefit) expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	-	USD	Annual
Reclassification adjustment for realized losses (gains) included in net income, tax (benefit) expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax`	-	USD	Annual
Net premiums earned	`PremiumsEarnedNet`	$475.27M	USD	Annual
Net premiums earned	`PremiumsEarnedNet`	$475.27M	USD	Annual
Net investment income	`NetInvestmentIncome`	$85.32M	USD	Annual
Net investment income	`NetInvestmentIncome`	$85.32M	USD	Annual
Net investment income	`NetInvestmentIncome`	$46.41M	USD	Annual
Net investment income	`NetInvestmentIncome`	$46.41M	USD	Annual
Net investment income	`NetInvestmentIncome`	$67.51M	USD	Annual
Net investment income	`NetInvestmentIncome`	$67.51M	USD	Annual
Net realized investment gains (losses)	`GainLossOnInvestments`	$481.00K	USD	Annual
Net realized investment gains (losses)	`GainLossOnInvestments`	$481.00K	USD	Annual
Net realized investment gains (losses)	`GainLossOnInvestments`	$23.00K	USD	Annual
Net realized investment gains (losses)	`GainLossOnInvestments`	$23.00K	USD	Annual
Net realized investment gains (losses)	`GainLossOnInvestments`	$-33.00K	USD	Annual
Net realized investment gains (losses)	`GainLossOnInvestments`	$-33.00K	USD	Annual
Other revenues	`OtherIncome`	$944.00K	USD	Annual
Other revenues	`OtherIncome`	$944.00K	USD	Annual
Other revenues	`OtherIncome`	$756.00K	USD	Annual
Other revenues	`OtherIncome`	$756.00K	USD	Annual
Other revenues	`OtherIncome`	$1.19M	USD	Annual
Other revenues	`OtherIncome`	$1.19M	USD	Annual
Total revenues	`Revenues`	$523.35M	USD	Annual
Total revenues	`Revenues`	$523.35M	USD	Annual
Total revenues	`Revenues`	$579.00M	USD	Annual
Total revenues	`Revenues`	$579.00M	USD	Annual
Total revenues	`Revenues`	$650.97M	USD	Annual
Total revenues	`Revenues`	$650.97M	USD	Annual
Insurance claims and claim expenses (benefits)	`PolicyholderBenefitsAndClaimsIncurredNet`	$-3.59M	USD	Annual
Insurance claims and claim expenses (benefits)	`PolicyholderBenefitsAndClaimsIncurredNet`	$-3.59M	USD	Annual
Insurance claims and claim expenses (benefits)	`PolicyholderBenefitsAndClaimsIncurredNet`	$22.62M	USD	Annual
Insurance claims and claim expenses (benefits)	`PolicyholderBenefitsAndClaimsIncurredNet`	$22.62M	USD	Annual
Insurance claims and claim expenses (benefits)	`PolicyholderBenefitsAndClaimsIncurredNet`	$31.54M	USD	Annual
Insurance claims and claim expenses (benefits)	`PolicyholderBenefitsAndClaimsIncurredNet`	$31.54M	USD	Annual
Underwriting and operating expenses	`OtherCostAndExpenseOperating`	$110.70M	USD	Annual
Underwriting and operating expenses	`OtherCostAndExpenseOperating`	$110.70M	USD	Annual
Underwriting and operating expenses	`OtherCostAndExpenseOperating`	$117.49M	USD	Annual
Underwriting and operating expenses	`OtherCostAndExpenseOperating`	$117.49M	USD	Annual
Underwriting and operating expenses	`OtherCostAndExpenseOperating`	$118.40M	USD	Annual
Underwriting and operating expenses	`OtherCostAndExpenseOperating`	$118.40M	USD	Annual
Service expenses	`OtherNonoperatingExpense`	$771.00K	USD	Annual
Service expenses	`OtherNonoperatingExpense`	$771.00K	USD	Annual
Service expenses	`OtherNonoperatingExpense`	$723.00K	USD	Annual
Service expenses	`OtherNonoperatingExpense`	$723.00K	USD	Annual
Service expenses	`OtherNonoperatingExpense`	$1.09M	USD	Annual
Service expenses	`OtherNonoperatingExpense`	$1.09M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$36.90M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$36.90M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$32.21M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$32.21M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$32.16M	USD	Annual
Interest expense	`InterestExpenseNonoperating`	$32.16M	USD	Annual
Gain from change in fair value of warrant liability	`GainLossonChangeinFairValueofWarrantLiability`	-	USD	Annual
Gain from change in fair value of warrant liability	`GainLossonChangeinFairValueofWarrantLiability`	-	USD	Annual
Gain from change in fair value of warrant liability	`GainLossonChangeinFairValueofWarrantLiability`	-	USD	Annual
Gain from change in fair value of warrant liability	`GainLossonChangeinFairValueofWarrantLiability`	-	USD	Annual
Gain from change in fair value of warrant liability	`GainLossonChangeinFairValueofWarrantLiability`	$1.11M	USD	Annual
Gain from change in fair value of warrant liability	`GainLossonChangeinFairValueofWarrantLiability`	$1.11M	USD	Annual
Total expenses	`CostsAndExpenses`	$166.30M	USD	Annual
Total expenses	`CostsAndExpenses`	$166.30M	USD	Annual
Total expenses	`CostsAndExpenses`	$146.04M	USD	Annual
Total expenses	`CostsAndExpenses`	$146.04M	USD	Annual
Total expenses	`CostsAndExpenses`	$187.56M	USD	Annual
Total expenses	`CostsAndExpenses`	$187.56M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$463.41M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$463.41M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$412.70M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$412.70M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$377.31M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$377.31M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$84.40M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$84.40M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$103.31M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$103.31M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$90.59M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$90.59M	USD	Annual
Net income	`NetIncomeLoss`	$360.11M	USD	Annual
Net income	`NetIncomeLoss`	$360.11M	USD	Annual
Net income	`NetIncomeLoss`	$322.11M	USD	Annual
Net income	`NetIncomeLoss`	$322.11M	USD	Annual
Net income	`NetIncomeLoss`	$292.90M	USD	Annual
Net income	`NetIncomeLoss`	$292.90M	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$4.51	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$4.51	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$3.91	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$3.91	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$3.45	USD	Annual
Basic (in dollars per share)	`EarningsPerShareBasic`	$3.45	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$4.43	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$4.43	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$3.84	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$3.84	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$3.39	USD	Annual
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$3.39	USD	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	82.41M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	82.41M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	84.92M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	84.92M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	79.84M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	79.84M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	86.00M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	86.00M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	81.27M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	81.27M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	83.85M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	83.85M	shares	Annual
Net income	`NetIncomeLoss`	$360.11M	USD	Annual
Net income	`NetIncomeLoss`	$360.11M	USD	Annual
Net income	`NetIncomeLoss`	$322.11M	USD	Annual
Net income	`NetIncomeLoss`	$322.11M	USD	Annual
Net income	`NetIncomeLoss`	$292.90M	USD	Annual
Net income	`NetIncomeLoss`	$292.90M	USD	Annual
Unrealized gains (losses) in accumulated other comprehensive loss, net of tax expense (benefit) of $3,921, $17,113 and $(54,608) for each of the years in the three-year period ended December 31, 2024, respectively	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$64.38M	USD	Annual
Unrealized gains (losses) in accumulated other comprehensive loss, net of tax expense (benefit) of $3,921, $17,113 and $(54,608) for each of the years in the three-year period ended December 31, 2024, respectively	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$64.38M	USD	Annual
Unrealized gains (losses) in accumulated other comprehensive loss, net of tax expense (benefit) of $3,921, $17,113 and $(54,608) for each of the years in the three-year period ended December 31, 2024, respectively	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-205.43M	USD	Annual
Unrealized gains (losses) in accumulated other comprehensive loss, net of tax expense (benefit) of $3,921, $17,113 and $(54,608) for each of the years in the three-year period ended December 31, 2024, respectively	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-205.43M	USD	Annual
Unrealized gains (losses) in accumulated other comprehensive loss, net of tax expense (benefit) of $3,921, $17,113 and $(54,608) for each of the years in the three-year period ended December 31, 2024, respectively	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$15.11M	USD	Annual
Unrealized gains (losses) in accumulated other comprehensive loss, net of tax expense (benefit) of $3,921, $17,113 and $(54,608) for each of the years in the three-year period ended December 31, 2024, respectively	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$15.11M	USD	Annual
Reclassification adjustment for realized losses (gains) included in net income, net of tax (benefit) expense of $0, $(7) and $101 for each of the years in the three-years ended December 31, 2024, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$380.00K	USD	Annual
Reclassification adjustment for realized losses (gains) included in net income, net of tax (benefit) expense of $0, $(7) and $101 for each of the years in the three-years ended December 31, 2024, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$380.00K	USD	Annual
Reclassification adjustment for realized losses (gains) included in net income, net of tax (benefit) expense of $0, $(7) and $101 for each of the years in the three-years ended December 31, 2024, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$-26.00K	USD	Annual
Reclassification adjustment for realized losses (gains) included in net income, net of tax (benefit) expense of $0, $(7) and $101 for each of the years in the three-years ended December 31, 2024, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	$-26.00K	USD	Annual
Reclassification adjustment for realized losses (gains) included in net income, net of tax (benefit) expense of $0, $(7) and $101 for each of the years in the three-years ended December 31, 2024, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	-	USD	Annual
Reclassification adjustment for realized losses (gains) included in net income, net of tax (benefit) expense of $0, $(7) and $101 for each of the years in the three-years ended December 31, 2024, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax`	-	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$64.41M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$64.41M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$15.11M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$15.11M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-205.81M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-205.81M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$386.52M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$386.52M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$87.09M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$87.09M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$375.22M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTax`	$375.22M	USD	Annual

Cash Flow Statement 238 line items

Line Item	Tag	Value	Unit	Period
Net income	`NetIncomeLoss`	$360.11M	USD	Annual
Net income	`NetIncomeLoss`	$360.11M	USD	Annual
Net income	`NetIncomeLoss`	$322.11M	USD	Annual
Net income	`NetIncomeLoss`	$322.11M	USD	Annual
Net income	`NetIncomeLoss`	$292.90M	USD	Annual
Net income	`NetIncomeLoss`	$292.90M	USD	Annual
Net realized investment (gains) loss	`DebtSecuritiesAvailableForSaleRealizedGainLoss`	$481.00K	USD	Annual
Net realized investment (gains) loss	`DebtSecuritiesAvailableForSaleRealizedGainLoss`	$481.00K	USD	Annual
Net realized investment (gains) loss	`DebtSecuritiesAvailableForSaleRealizedGainLoss`	$-33.00K	USD	Annual
Net realized investment (gains) loss	`DebtSecuritiesAvailableForSaleRealizedGainLoss`	$-33.00K	USD	Annual
Net realized investment (gains) loss	`DebtSecuritiesAvailableForSaleRealizedGainLoss`	$23.00K	USD	Annual
Net realized investment (gains) loss	`DebtSecuritiesAvailableForSaleRealizedGainLoss`	$23.00K	USD	Annual
Gain from change in fair value of warrant liability	`GainLossonChangeinFairValueofWarrantLiability`	-	USD	Annual
Gain from change in fair value of warrant liability	`GainLossonChangeinFairValueofWarrantLiability`	-	USD	Annual
Gain from change in fair value of warrant liability	`GainLossonChangeinFairValueofWarrantLiability`	-	USD	Annual
Gain from change in fair value of warrant liability	`GainLossonChangeinFairValueofWarrantLiability`	-	USD	Annual
Gain from change in fair value of warrant liability	`GainLossonChangeinFairValueofWarrantLiability`	$1.11M	USD	Annual
Gain from change in fair value of warrant liability	`GainLossonChangeinFairValueofWarrantLiability`	$1.11M	USD	Annual
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$11.94M	USD	Annual
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$11.94M	USD	Annual
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$11.87M	USD	Annual
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$11.87M	USD	Annual
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$11.54M	USD	Annual
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$11.54M	USD	Annual
Net (accretion)/amortization of (discount)/premium on investment securities	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$1.08M	USD	Annual
Net (accretion)/amortization of (discount)/premium on investment securities	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$1.08M	USD	Annual
Net (accretion)/amortization of (discount)/premium on investment securities	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$-5.72M	USD	Annual
Net (accretion)/amortization of (discount)/premium on investment securities	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$-5.72M	USD	Annual
Net (accretion)/amortization of (discount)/premium on investment securities	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$-481.00K	USD	Annual
Net (accretion)/amortization of (discount)/premium on investment securities	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$-481.00K	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	-	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-6.97M	USD	Annual
Loss on extinguishment of debt	`GainsLossesOnExtinguishmentOfDebt`	$-6.97M	USD	Annual
Amortization of debt discount and debt issuance costs	`AmortizationOfFinancingCostsAndDiscounts`	$1.96M	USD	Annual
Amortization of debt discount and debt issuance costs	`AmortizationOfFinancingCostsAndDiscounts`	$1.96M	USD	Annual
Amortization of debt discount and debt issuance costs	`AmortizationOfFinancingCostsAndDiscounts`	$2.21M	USD	Annual
Amortization of debt discount and debt issuance costs	`AmortizationOfFinancingCostsAndDiscounts`	$2.21M	USD	Annual
Amortization of debt discount and debt issuance costs	`AmortizationOfFinancingCostsAndDiscounts`	$1.85M	USD	Annual
Amortization of debt discount and debt issuance costs	`AmortizationOfFinancingCostsAndDiscounts`	$1.85M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$84.39M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$84.39M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$90.59M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$90.59M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$80.70M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxesAndTaxCredits`	$80.70M	USD	Annual
Share-based compensation expense	`ShareBasedCompensation`	$15.43M	USD	Annual
Share-based compensation expense	`ShareBasedCompensation`	$15.43M	USD	Annual
Share-based compensation expense	`ShareBasedCompensation`	$19.81M	USD	Annual
Share-based compensation expense	`ShareBasedCompensation`	$19.81M	USD	Annual
Share-based compensation expense	`ShareBasedCompensation`	$16.91M	USD	Annual
Share-based compensation expense	`ShareBasedCompensation`	$16.91M	USD	Annual
Premiums receivable, net	`IncreaseDecreaseInPremiumsReceivable`	$9.32M	USD	Annual
Premiums receivable, net	`IncreaseDecreaseInPremiumsReceivable`	$9.32M	USD	Annual
Premiums receivable, net	`IncreaseDecreaseInPremiumsReceivable`	$6.78M	USD	Annual
Premiums receivable, net	`IncreaseDecreaseInPremiumsReceivable`	$6.78M	USD	Annual
Premiums receivable, net	`IncreaseDecreaseInPremiumsReceivable`	$6.35M	USD	Annual
Premiums receivable, net	`IncreaseDecreaseInPremiumsReceivable`	$6.35M	USD	Annual
Accrued investment income	`IncreaseDecreaseInAccruedInvestmentIncomeReceivable`	$2.60M	USD	Annual
Accrued investment income	`IncreaseDecreaseInAccruedInvestmentIncomeReceivable`	$2.60M	USD	Annual
Accrued investment income	`IncreaseDecreaseInAccruedInvestmentIncomeReceivable`	$5.64M	USD	Annual
Accrued investment income	`IncreaseDecreaseInAccruedInvestmentIncomeReceivable`	$5.64M	USD	Annual
Accrued investment income	`IncreaseDecreaseInAccruedInvestmentIncomeReceivable`	$2.24M	USD	Annual
Accrued investment income	`IncreaseDecreaseInAccruedInvestmentIncomeReceivable`	$2.24M	USD	Annual
Deferred policy acquisition costs, net	`IncreaseDecreaseInDeferredPolicyAcquisitionCosts`	$4.34M	USD	Annual
Deferred policy acquisition costs, net	`IncreaseDecreaseInDeferredPolicyAcquisitionCosts`	$4.34M	USD	Annual
Deferred policy acquisition costs, net	`IncreaseDecreaseInDeferredPolicyAcquisitionCosts`	$-1.02M	USD	Annual
Deferred policy acquisition costs, net	`IncreaseDecreaseInDeferredPolicyAcquisitionCosts`	$-1.02M	USD	Annual
Deferred policy acquisition costs, net	`IncreaseDecreaseInDeferredPolicyAcquisitionCosts`	$1.42M	USD	Annual
Deferred policy acquisition costs, net	`IncreaseDecreaseInDeferredPolicyAcquisitionCosts`	$1.42M	USD	Annual
Reinsurance recoverable	`IncreaseDecreaseInReinsuranceRecoverable`	$5.93M	USD	Annual
Reinsurance recoverable	`IncreaseDecreaseInReinsuranceRecoverable`	$5.93M	USD	Annual
Reinsurance recoverable	`IncreaseDecreaseInReinsuranceRecoverable`	$4.75M	USD	Annual
Reinsurance recoverable	`IncreaseDecreaseInReinsuranceRecoverable`	$4.75M	USD	Annual
Reinsurance recoverable	`IncreaseDecreaseInReinsuranceRecoverable`	$1.27M	USD	Annual
Reinsurance recoverable	`IncreaseDecreaseInReinsuranceRecoverable`	$1.27M	USD	Annual
Prepaid federal income taxes	`IncreaseDecreaseInPrepaidTaxes`	$80.88M	USD	Annual
Prepaid federal income taxes	`IncreaseDecreaseInPrepaidTaxes`	$80.88M	USD	Annual
Prepaid federal income taxes	`IncreaseDecreaseInPrepaidTaxes`	$65.17M	USD	Annual
Prepaid federal income taxes	`IncreaseDecreaseInPrepaidTaxes`	$65.17M	USD	Annual
Prepaid federal income taxes	`IncreaseDecreaseInPrepaidTaxes`	$86.89M	USD	Annual
Prepaid federal income taxes	`IncreaseDecreaseInPrepaidTaxes`	$86.89M	USD	Annual
Other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$1.83M	USD	Annual
Other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$1.83M	USD	Annual
Other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$316.00K	USD	Annual
Other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$316.00K	USD	Annual
Other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-236.00K	USD	Annual
Other assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-236.00K	USD	Annual
Unearned premiums	`IncreaseDecreaseInUnearnedPremiums`	$-30.74M	USD	Annual
Unearned premiums	`IncreaseDecreaseInUnearnedPremiums`	$-30.74M	USD	Annual
Unearned premiums	`IncreaseDecreaseInUnearnedPremiums`	$-27.08M	USD	Annual
Unearned premiums	`IncreaseDecreaseInUnearnedPremiums`	$-27.08M	USD	Annual
Unearned premiums	`IncreaseDecreaseInUnearnedPremiums`	$-16.20M	USD	Annual
Unearned premiums	`IncreaseDecreaseInUnearnedPremiums`	$-16.20M	USD	Annual
Reserve for insurance claims and claim expenses	`IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve`	$24.14M	USD	Annual
Reserve for insurance claims and claim expenses	`IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve`	$24.14M	USD	Annual
Reserve for insurance claims and claim expenses	`IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve`	$-3.71M	USD	Annual
Reserve for insurance claims and claim expenses	`IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve`	$-3.71M	USD	Annual
Reserve for insurance claims and claim expenses	`IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve`	$28.10M	USD	Annual
Reserve for insurance claims and claim expenses	`IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve`	$28.10M	USD	Annual
Reinsurance balances, net	`IncreaseDecreaseinReinsuranceAssetsandLiabilities`	$859.00K	USD	Annual
Reinsurance balances, net	`IncreaseDecreaseinReinsuranceAssetsandLiabilities`	$859.00K	USD	Annual
Reinsurance balances, net	`IncreaseDecreaseinReinsuranceAssetsandLiabilities`	$1.90M	USD	Annual
Reinsurance balances, net	`IncreaseDecreaseinReinsuranceAssetsandLiabilities`	$1.90M	USD	Annual
Reinsurance balances, net	`IncreaseDecreaseinReinsuranceAssetsandLiabilities`	$658.00K	USD	Annual
Reinsurance balances, net	`IncreaseDecreaseinReinsuranceAssetsandLiabilities`	$658.00K	USD	Annual
Accounts payable and accrued expenses	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$16.45M	USD	Annual
Accounts payable and accrued expenses	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$16.45M	USD	Annual
Accounts payable and accrued expenses	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$10.39M	USD	Annual
Accounts payable and accrued expenses	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$10.39M	USD	Annual
Accounts payable and accrued expenses	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$1.39M	USD	Annual
Accounts payable and accrued expenses	`IncreaseDecreaseInAccountsPayableAndAccruedLiabilities`	$1.39M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$313.39M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$313.39M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$393.60M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$393.60M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$342.68M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$342.68M	USD	Annual
Purchase of short-term investments	`PaymentsToAcquireShortTermInvestments`	$169.96M	USD	Annual
Purchase of short-term investments	`PaymentsToAcquireShortTermInvestments`	$169.96M	USD	Annual
Purchase of short-term investments	`PaymentsToAcquireShortTermInvestments`	$313.93M	USD	Annual
Purchase of short-term investments	`PaymentsToAcquireShortTermInvestments`	$313.93M	USD	Annual
Purchase of short-term investments	`PaymentsToAcquireShortTermInvestments`	$166.22M	USD	Annual
Purchase of short-term investments	`PaymentsToAcquireShortTermInvestments`	$166.22M	USD	Annual
Purchase of fixed-maturity investments, available-for-sale	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$481.73M	USD	Annual
Purchase of fixed-maturity investments, available-for-sale	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$481.73M	USD	Annual
Purchase of fixed-maturity investments, available-for-sale	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$488.56M	USD	Annual
Purchase of fixed-maturity investments, available-for-sale	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$488.56M	USD	Annual
Purchase of fixed-maturity investments, available-for-sale	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$233.59M	USD	Annual
Purchase of fixed-maturity investments, available-for-sale	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$233.59M	USD	Annual
Proceeds from maturities of short-term investments	`ProceedsFromSaleOfShortTermInvestments`	$151.63M	USD	Annual
Proceeds from maturities of short-term investments	`ProceedsFromSaleOfShortTermInvestments`	$151.63M	USD	Annual
Proceeds from maturities of short-term investments	`ProceedsFromSaleOfShortTermInvestments`	$114.07M	USD	Annual
Proceeds from maturities of short-term investments	`ProceedsFromSaleOfShortTermInvestments`	$114.07M	USD	Annual
Proceeds from maturities of short-term investments	`ProceedsFromSaleOfShortTermInvestments`	$320.55M	USD	Annual
Proceeds from maturities of short-term investments	`ProceedsFromSaleOfShortTermInvestments`	$320.55M	USD	Annual
Proceeds from maturities and redemptions of fixed-maturity investments, available-for-sale	`ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities`	$116.66M	USD	Annual
Proceeds from maturities and redemptions of fixed-maturity investments, available-for-sale	`ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities`	$116.66M	USD	Annual
Proceeds from maturities and redemptions of fixed-maturity investments, available-for-sale	`ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities`	$205.24M	USD	Annual
Proceeds from maturities and redemptions of fixed-maturity investments, available-for-sale	`ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities`	$205.24M	USD	Annual
Proceeds from maturities and redemptions of fixed-maturity investments, available-for-sale	`ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities`	$143.61M	USD	Annual
Proceeds from maturities and redemptions of fixed-maturity investments, available-for-sale	`ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities`	$143.61M	USD	Annual
Additions to software and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$9.37M	USD	Annual
Additions to software and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$9.37M	USD	Annual
Additions to software and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$6.91M	USD	Annual
Additions to software and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$6.91M	USD	Annual
Additions to software and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$10.57M	USD	Annual
Additions to software and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$10.57M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-289.79M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-289.79M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-200.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-200.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-339.29M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-339.29M	USD	Annual
Proceeds from issuance of common stock related to employee equity plans	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$4.29M	USD	Annual
Proceeds from issuance of common stock related to employee equity plans	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$4.29M	USD	Annual
Proceeds from issuance of common stock related to employee equity plans	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$10.55M	USD	Annual
Proceeds from issuance of common stock related to employee equity plans	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$10.55M	USD	Annual
Proceeds from issuance of common stock related to employee equity plans	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$5.44M	USD	Annual
Proceeds from issuance of common stock related to employee equity plans	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions`	$5.44M	USD	Annual
Proceeds from issuance of common stock related to warrant exercises	`ProceedsFromWarrantExercises`	-	USD	Annual
Proceeds from issuance of common stock related to warrant exercises	`ProceedsFromWarrantExercises`	-	USD	Annual
Proceeds from issuance of common stock related to warrant exercises	`ProceedsFromWarrantExercises`	-	USD	Annual
Proceeds from issuance of common stock related to warrant exercises	`ProceedsFromWarrantExercises`	-	USD	Annual
Proceeds from issuance of common stock related to warrant exercises	`ProceedsFromWarrantExercises`	$518.00K	USD	Annual
Proceeds from issuance of common stock related to warrant exercises	`ProceedsFromWarrantExercises`	$518.00K	USD	Annual
Taxes paid related to net share settlement of equity awards	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$9.36M	USD	Annual
Taxes paid related to net share settlement of equity awards	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$9.36M	USD	Annual
Taxes paid related to net share settlement of equity awards	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$10.22M	USD	Annual
Taxes paid related to net share settlement of equity awards	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$10.22M	USD	Annual
Taxes paid related to net share settlement of equity awards	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$5.21M	USD	Annual
Taxes paid related to net share settlement of equity awards	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$5.21M	USD	Annual
Proceeds from senior unsecured notes	`ProceedsFromIssuanceOfLongTermDebt`	$419.70M	USD	Annual
Proceeds from senior unsecured notes	`ProceedsFromIssuanceOfLongTermDebt`	$419.70M	USD	Annual
Proceeds from senior unsecured notes	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Proceeds from senior unsecured notes	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Proceeds from senior unsecured notes	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Proceeds from senior unsecured notes	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Repayments of senior secured notes	`RepaymentsOfLongTermDebt`	$405.08M	USD	Annual
Repayments of senior secured notes	`RepaymentsOfLongTermDebt`	$405.08M	USD	Annual
Repayments of senior secured notes	`RepaymentsOfLongTermDebt`	-	USD	Annual
Repayments of senior secured notes	`RepaymentsOfLongTermDebt`	-	USD	Annual
Repayments of senior secured notes	`RepaymentsOfLongTermDebt`	-	USD	Annual
Repayments of senior secured notes	`RepaymentsOfLongTermDebt`	-	USD	Annual
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	-	USD	Annual
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	-	USD	Annual
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$7.79M	USD	Annual
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$7.79M	USD	Annual
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	-	USD	Annual
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	-	USD	Annual
Repurchases of common stock	`PaymentsForRepurchaseOfCommonStock`	$97.61M	USD	Annual
Repurchases of common stock	`PaymentsForRepurchaseOfCommonStock`	$97.61M	USD	Annual
Repurchases of common stock	`PaymentsForRepurchaseOfCommonStock`	$91.61M	USD	Annual
Repurchases of common stock	`PaymentsForRepurchaseOfCommonStock`	$91.61M	USD	Annual
Repurchases of common stock	`PaymentsForRepurchaseOfCommonStock`	$56.58M	USD	Annual
Repurchases of common stock	`PaymentsForRepurchaseOfCommonStock`	$56.58M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-96.70M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-96.70M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-90.42M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-90.42M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-55.83M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-55.83M	USD	Annual
Net (decrease) increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-42.38M	USD	Annual
Net (decrease) increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-42.38M	USD	Annual
Net (decrease) increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$52.26M	USD	Annual
Net (decrease) increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$52.26M	USD	Annual
Net (decrease) increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-32.22M	USD	Annual
Net (decrease) increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-32.22M	USD	Annual
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$76.65M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$76.65M	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`	$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`	$44.43M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$44.43M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$76.65M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$76.65M	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`	$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`	$44.43M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$44.43M	USD	Point-in-time
Interest paid	`InterestPaidNet`	$29.50M	USD	Annual
Interest paid	`InterestPaidNet`	$29.50M	USD	Annual
Interest paid	`InterestPaidNet`	$14.01M	USD	Annual
Interest paid	`InterestPaidNet`	$14.01M	USD	Annual
Interest paid	`InterestPaidNet`	$29.50M	USD	Annual
Interest paid	`InterestPaidNet`	$29.50M	USD	Annual
Income taxes paid (refunded)	`IncomeTaxesPaidNet`	$-20.00K	USD	Annual
Income taxes paid (refunded)	`IncomeTaxesPaidNet`	$-20.00K	USD	Annual
Income taxes paid (refunded)	`IncomeTaxesPaidNet`	$20.00K	USD	Annual
Income taxes paid (refunded)	`IncomeTaxesPaidNet`	$20.00K	USD	Annual
Income taxes paid (refunded)	`IncomeTaxesPaidNet`	$20.03M	USD	Annual
Income taxes paid (refunded)	`IncomeTaxesPaidNet`	$20.03M	USD	Annual

Stockholders Equity 62 line items

Line Item	Tag	Value	Unit	Period
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$-54.71M	USD	Annual
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$-54.71M	USD	Annual
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$3.92M	USD	Annual
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$3.92M	USD	Annual
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$17.12M	USD	Annual
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax`	$17.12M	USD	Annual
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`	80.88M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	80.88M	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`	$1.57B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.57B	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`	$1.61B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$1.61B	USD	Point-in-time
Common stock: shares issued related to warrant exercises	`StockIssuedDuringPeriodValueConversionOfConvertibleSecurities`	$1.77M	USD	Annual
Common stock: shares issued related to warrant exercises	`StockIssuedDuringPeriodValueConversionOfConvertibleSecurities`	$1.77M	USD	Annual
Common stock: shares issued under stock plans, net of shares withheld for employee taxes	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings`	$229.00K	USD	Annual
Common stock: shares issued under stock plans, net of shares withheld for employee taxes	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings`	$229.00K	USD	Annual
Common stock: shares issued under stock plans, net of shares withheld for employee taxes	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings`	$1.19M	USD	Annual
Common stock: shares issued under stock plans, net of shares withheld for employee taxes	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings`	$1.19M	USD	Annual
Common stock: shares issued under stock plans, net of shares withheld for employee taxes	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings`	$-5.93M	USD	Annual
Common stock: shares issued under stock plans, net of shares withheld for employee taxes	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlanNetofTaxWithholdings`	$-5.93M	USD	Annual
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$56.58M	USD	Annual
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$56.58M	USD	Annual
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$92.35M	USD	Annual
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$92.35M	USD	Annual
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$97.67M	USD	Annual
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$97.67M	USD	Annual
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$19.81M	USD	Annual
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$19.81M	USD	Annual
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$16.91M	USD	Annual
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$16.91M	USD	Annual
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$15.43M	USD	Annual
Share-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$15.43M	USD	Annual
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent`	$15.11M	USD	Annual
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent`	$15.11M	USD	Annual
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent`	$-205.81M	USD	Annual
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent`	$-205.81M	USD	Annual
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent`	$64.41M	USD	Annual
Change in unrealized investment gains/losses, tax expense (benefit)	`OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent`	$64.41M	USD	Annual
Net income	`NetIncomeLoss`	$360.11M	USD	Annual
Net income	`NetIncomeLoss`	$360.11M	USD	Annual
Net income	`NetIncomeLoss`	$322.11M	USD	Annual
Net income	`NetIncomeLoss`	$322.11M	USD	Annual
Net income	`NetIncomeLoss`	$292.90M	USD	Annual
Net income	`NetIncomeLoss`	$292.90M	USD	Annual
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`	80.88M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	80.88M	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`	$1.57B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.57B	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`	$1.61B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$1.61B	USD	Point-in-time

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