$ARGD
Argo Group International Holdings, Inc. Stock $argd

$argd Overview Financials Valuation SEC Filings Company Website

2024 Q2 Form 10-Q Financial Statement

#000162828024022277 Filed on May 09, 2024

Income Statement

Concept	2024 Q2	2024 Q1
Revenue	$380.7M	$378.7M
YoY Change	4.5%	-5.73%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization
YoY Change
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense		$8.700M
YoY Change		2.35%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$18.30M	$27.20M
YoY Change	-608.33%	-164.3%
Income Tax	$5.600M	$1.600M
% Of Pretax Income	30.6%	5.88%
Net Earnings	$12.70M	$25.60M
YoY Change	477.27%	-175.74%
Net Earnings / Revenue	3.34%	6.76%
Basic Earnings Per Share
Diluted Earnings Per Share
COMMON SHARES
Basic Shares Outstanding	1.157B shares	1.057B shares
Diluted Shares Outstanding

Balance Sheet

Concept	2024 Q2	2024 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$475.5M	$462.4M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment
YoY Change
Goodwill
YoY Change
Intangibles	$159.8M	$170.3M
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$8.720B	$8.647B
YoY Change	6.51%	5.4%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities
YoY Change
LONG-TERM LIABILITIES
Long-Term Debt
YoY Change
Other Long-Term Liabilities
YoY Change
Total Long-Term Liabilities
YoY Change
TOTAL LIABILITIES
Total Short-Term Liabilities
Total Long-Term Liabilities
Total Liabilities	$7.215B	$7.243B
YoY Change	3.77%	4.07%
SHAREHOLDERS EQUITY
Retained Earnings	$33.90M	$23.90M
YoY Change	-90.85%	-93.56%
Common Stock	$1.308B	$1.208B
YoY Change	-9.29%	-16.31%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.506B	$1.405B
YoY Change
Total Liabilities & Shareholders Equity	$8.720B	$8.647B
YoY Change	6.51%	5.4%

Cashflow Statement

Concept	2024 Q2	2024 Q1
OPERATING ACTIVITIES
Net Income	$12.70M	$25.60M
YoY Change	477.27%	-175.74%
Depreciation, Depletion And Amortization
YoY Change
Cash From Operating Activities		-$13.70M
YoY Change		-135.04%
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities
YoY Change
Cash From Investing Activities		-$512.9M
YoY Change		321.79%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities		$197.4M
YoY Change		-9500.0%
NET CHANGE
Cash From Operating Activities		-$13.70M
Cash From Investing Activities		-$512.9M
Cash From Financing Activities		$197.4M
Net Change In Cash		-$329.2M
YoY Change		289.13%
FREE CASH FLOW
Cash From Operating Activities		-$13.70M
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023Q4	us-gaap	Senior Notes SeniorNotes	128000000.0	usd
CY2023Q4	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	241200000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	51400000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	25600000	usd
CY2023Q1	us-gaap	Gain Loss On Investments GainLossOnInvestments	-17900000	usd
CY2024Q1	argo	Depository Shares Fractional Interest Per Preference Share DepositorySharesFractionalInterestPerPreferenceShare	0.001
CY2023Q1	argo	Depository Shares Fractional Interest Per Preference Share DepositorySharesFractionalInterestPerPreferenceShare	0.001
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	171600000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	144800000	usd
CY2024Q1	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	500000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	200000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	171100000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	144600000	usd
CY2024Q1	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	9500000	usd
CY2023Q4	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	11700000	usd
CY2024Q1	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	8600000	usd
CY2023Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	10700000	usd
CY2024Q1	us-gaap	Other Investments And Securities At Cost OtherInvestmentsAndSecuritiesAtCost	344400000	usd
CY2023Q4	us-gaap	Other Investments And Securities At Cost OtherInvestmentsAndSecuritiesAtCost	311000000.0	usd
CY2024Q1	us-gaap	Other Investments OtherInvestments	344400000	usd
CY2023Q4	us-gaap	Other Investments OtherInvestments	311000000.0	usd
CY2024Q1	argo	Short Term Investments Amortized Cost ShortTermInvestmentsAmortizedCost	1073700000	usd
CY2023Q4	argo	Short Term Investments Amortized Cost ShortTermInvestmentsAmortizedCost	429000000.0	usd
CY2024Q1	us-gaap	Other Short Term Investments OtherShortTermInvestments	1073600000	usd
CY2023Q4	us-gaap	Other Short Term Investments OtherShortTermInvestments	429500000	usd
CY2024Q1	us-gaap	Investments Investments	4011100000	usd
CY2023Q4	us-gaap	Investments Investments	3481200000	usd
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	462400000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	791600000	usd
CY2024Q1	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	18000000.0	usd
CY2023Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	20400000	usd
CY2024Q1	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	209800000	usd
CY2023Q4	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	230700000	usd
CY2024Q1	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	2933100000	usd
CY2023Q4	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	2959300000	usd
CY2024Q1	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	170300000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	180600000	usd
CY2024Q1	us-gaap	Income Tax Receivable IncomeTaxReceivable	54200000	usd
CY2023Q4	us-gaap	Income Tax Receivable IncomeTaxReceivable	53100000	usd
CY2024Q1	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	41700000	usd
CY2023Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	39100000	usd
CY2024Q1	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	32200000	usd
CY2023Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	7200000	usd
CY2024Q1	us-gaap	Prepaid Reinsurance Premiums PrepaidReinsurancePremiums	353700000	usd
CY2023Q4	us-gaap	Prepaid Reinsurance Premiums PrepaidReinsurancePremiums	356000000.0	usd
CY2024Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	52800000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	51200000	usd
CY2024Q1	us-gaap	Other Assets OtherAssets	196900000	usd
CY2023Q4	us-gaap	Other Assets OtherAssets	189100000	usd
CY2024Q1	us-gaap	Value Of Business Acquired Voba ValueOfBusinessAcquiredVOBA	110900000	usd
CY2023Q4	us-gaap	Value Of Business Acquired Voba ValueOfBusinessAcquiredVOBA	143600000	usd
CY2024Q1	us-gaap	Assets Assets	8647100000	usd
CY2023Q4	us-gaap	Assets Assets	8503100000	usd
CY2024Q1	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	5543100000	usd
CY2023Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	5544500000	usd
CY2024Q1	us-gaap	Unearned Premiums UnearnedPremiums	842100000	usd
CY2023Q4	us-gaap	Unearned Premiums UnearnedPremiums	916600000	usd
CY2024Q1	argo	Accrued Underwriting Expenses And Other Liabilities AccruedUnderwritingExpensesAndOtherLiabilities	56300000	usd
CY2023Q4	argo	Accrued Underwriting Expenses And Other Liabilities AccruedUnderwritingExpensesAndOtherLiabilities	73900000	usd
CY2024Q1	us-gaap	Reinsurance Payable ReinsurancePayable	229400000	usd
CY2023Q4	us-gaap	Reinsurance Payable ReinsurancePayable	192700000	usd
CY2024Q1	us-gaap	Policyholder Contract Deposits PolicyholderContractDeposits	48600000	usd
CY2023Q4	us-gaap	Policyholder Contract Deposits PolicyholderContractDeposits	57300000	usd
CY2024Q1	us-gaap	Line Of Credit LineOfCredit	100000000.0	usd
CY2023Q4	us-gaap	Line Of Credit LineOfCredit	0	usd
CY2024Q1	us-gaap	Senior Notes SeniorNotes	128100000	usd
CY2024Q1	us-gaap	Junior Subordinated Debenture Owed To Unconsolidated Subsidiary Trust JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust	241600000	usd
CY2024Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	53400000	usd
CY2024Q1	us-gaap	Liabilities Liabilities	7242600000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	7205600000	usd
CY2024Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2024Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	1.00
CY2024Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	30000000	shares
CY2023Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	30000000	shares
CY2024Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	6000	shares
CY2023Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	6000	shares
CY2023Q4	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	25000
CY2024Q1	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	25000
CY2024Q1	us-gaap	Preferred Stock Value PreferredStockValue	137100000	usd
CY2023Q4	us-gaap	Preferred Stock Value PreferredStockValue	137100000	usd
CY2024Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.00
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	1.00
CY2024Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2000000000	shares
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	2000000000	shares
CY2024Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	1156638730	shares
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	1056638730	shares
CY2024Q1	us-gaap	Common Stock Value CommonStockValue	1156600000	usd
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	1056600000	usd
CY2024Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	51100000	usd
CY2023Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	51100000	usd
CY2024Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	23900000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	900000	usd
CY2024Q1	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	35800000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	51800000	usd
CY2024Q1	us-gaap	Stockholders Equity StockholdersEquity	1404500000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	1297500000	usd
CY2024Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	8647100000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	8503100000	usd
CY2024Q1	us-gaap	Premiums Earned Net PremiumsEarnedNet	313700000	usd
CY2023Q1	us-gaap	Premiums Earned Net PremiumsEarnedNet	389900000	usd
CY2024Q1	us-gaap	Net Investment Income NetInvestmentIncome	58800000	usd
CY2023Q1	us-gaap	Net Investment Income NetInvestmentIncome	29700000	usd
CY2024Q1	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	6200000	usd
CY2023Q1	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-21100000	usd
CY2024Q1	us-gaap	Debt And Equity Securities Unrealized Gain Loss DebtAndEquitySecuritiesUnrealizedGainLoss	0	usd
CY2023Q1	us-gaap	Debt And Equity Securities Unrealized Gain Loss DebtAndEquitySecuritiesUnrealizedGainLoss	3300000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Period Increase Decrease DebtSecuritiesAvailableForSaleAllowanceForCreditLossPeriodIncreaseDecrease	0	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Period Increase Decrease DebtSecuritiesAvailableForSaleAllowanceForCreditLossPeriodIncreaseDecrease	100000	usd
CY2024Q1	us-gaap	Gain Loss On Investments GainLossOnInvestments	6200000	usd
CY2023Q1	us-gaap	Gain Loss On Investments GainLossOnInvestments	-17900000	usd
CY2024Q1	us-gaap	Revenues Revenues	378700000	usd
CY2023Q1	us-gaap	Revenues Revenues	401700000	usd
CY2024Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	220000000.0	usd
CY2023Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	284600000	usd
CY2024Q1	argo	Underwriting Acquisition And Insurance Expenses UnderwritingAcquisitionAndInsuranceExpenses	117100000	usd
CY2023Q1	argo	Underwriting Acquisition And Insurance Expenses UnderwritingAcquisitionAndInsuranceExpenses	137000000.0	usd
CY2024Q1	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	7700000	usd
CY2023Q1	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	11600000	usd
CY2024Q1	us-gaap	Interest Expense InterestExpense	8700000	usd
CY2023Q1	us-gaap	Interest Expense InterestExpense	8500000	usd
CY2024Q1	argo	Fee And Other Income Expense Net FeeAndOtherIncomeExpenseNet	0	usd
CY2023Q1	argo	Fee And Other Income Expense Net FeeAndOtherIncomeExpenseNet	-400000	usd
CY2024Q1	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	2000000.0	usd
CY2023Q1	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-2700000	usd
CY2024Q1	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	351500000	usd
CY2023Q1	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	444000000.0	usd
CY2024Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	27200000	usd
CY2023Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-42300000	usd
CY2024Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1600000	usd
CY2023Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-8500000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	25600000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	-33800000	usd
CY2024Q1	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	2600000	usd
CY2023Q1	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	2600000	usd
CY2024Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	23000000.0	usd
CY2024Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	23000000.0	usd
CY2023Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-36400000	usd
CY2023Q1	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-36400000	usd
CY2023Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.04
CY2023Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.04
CY2023Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0
CY2023Q1	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	35099968	shares
CY2023Q1	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	35099968	shares
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	25600000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	-33800000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	-100000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Before Reclassification And Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax	400000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax	0	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Reclassification Adjustment From Aoci Realized Upon Sale Or Liquidation Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax	0	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	0	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax	1000000.0	usd
CY2024Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-13800000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	33200000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	6500000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-22200000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	-20400000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Before Tax OtherComprehensiveIncomeLossBeforeTax	56800000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	0	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-200000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-3100000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	5200000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	1300000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-4700000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	-4400000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Tax OtherComprehensiveIncomeLossTax	10100000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-16000000.0	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	46700000	usd
CY2024Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	9600000	usd
CY2023Q1	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	12900000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	1232900000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	-33800000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	45500000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Other Net Of Tax OtherComprehensiveIncomeOtherNetOfTax	1200000	usd
CY2023Q1	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1700000	usd
CY2023Q1	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	800000	usd
CY2023Q1	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	400000	usd
CY2023Q1	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	2600000	usd
CY2023Q1	us-gaap	Stockholders Equity StockholdersEquity	1244500000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	1297500000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-15900000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Other Net Of Tax OtherComprehensiveIncomeOtherNetOfTax	-100000	usd
CY2024Q1	us-gaap	Dividends Preferred Stock Cash DividendsPreferredStockCash	2600000	usd
CY2024Q1	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	100000000.0	usd
CY2024Q1	us-gaap	Stockholders Equity StockholdersEquity	1404500000	usd
CY2024Q1	us-gaap	Net Income Loss NetIncomeLoss	25600000	usd
CY2023Q1	us-gaap	Net Income Loss NetIncomeLoss	-33800000	usd
CY2024Q1	us-gaap	Depreciation And Amortization DepreciationAndAmortization	46100000	usd
CY2023Q1	us-gaap	Depreciation And Amortization DepreciationAndAmortization	4300000	usd
CY2024Q1	us-gaap	Share Based Compensation ShareBasedCompensation	0	usd
CY2023Q1	us-gaap	Share Based Compensation ShareBasedCompensation	1500000	usd
CY2024Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2600000	usd
CY2023Q1	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-5900000	usd
CY2024Q1	us-gaap	Gain Loss On Investments GainLossOnInvestments	6200000	usd
CY2024Q1	argo	Undistributed Earnings From Alternative Investment Portfolio UndistributedEarningsFromAlternativeInvestmentPortfolio	-5900000	usd
CY2023Q1	argo	Undistributed Earnings From Alternative Investment Portfolio UndistributedEarningsFromAlternativeInvestmentPortfolio	200000	usd
CY2024Q1	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	2000000.0	usd
CY2023Q1	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-2700000	usd
CY2024Q1	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-2400000	usd
CY2023Q1	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	300000	usd
CY2024Q1	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	-47100000	usd
CY2023Q1	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	-613800000	usd
CY2024Q1	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	25000000.0	usd
CY2023Q1	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	6500000	usd
CY2024Q1	us-gaap	Increase Decrease In Prepaid Reinsurance Premiums IncreaseDecreaseInPrepaidReinsurancePremiums	-2300000	usd
CY2023Q1	us-gaap	Increase Decrease In Prepaid Reinsurance Premiums IncreaseDecreaseInPrepaidReinsurancePremiums	50000000.0	usd
CY2024Q1	us-gaap	Increase Decrease In Future Policy Benefit Reserves IncreaseDecreaseInFuturePolicyBenefitReserves	600000	usd
CY2023Q1	us-gaap	Increase Decrease In Future Policy Benefit Reserves IncreaseDecreaseInFuturePolicyBenefitReserves	-367200000	usd
CY2024Q1	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	-74500000	usd
CY2023Q1	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	-3900000	usd
CY2024Q1	argo	Increase Decrease In Reinsurance Payables And Funds Held IncreaseDecreaseInReinsurancePayablesAndFundsHeld	28000000.0	usd
CY2023Q1	argo	Increase Decrease In Reinsurance Payables And Funds Held IncreaseDecreaseInReinsurancePayablesAndFundsHeld	-60800000	usd
CY2024Q1	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-1100000	usd
CY2023Q1	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-3000000.0	usd
CY2024Q1	argo	Increase Decrease In Accrued Underwriting Expenses IncreaseDecreaseInAccruedUnderwritingExpenses	-18600000	usd
CY2023Q1	argo	Increase Decrease In Accrued Underwriting Expenses IncreaseDecreaseInAccruedUnderwritingExpenses	-25100000	usd
CY2024Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	35100000	usd
CY2023Q1	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	44800000	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-13700000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	39100000	usd
CY2024Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	102700000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	600000	usd
CY2024Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	63700000	usd
CY2023Q1	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	32500000	usd
CY2024Q1	argo	Proceedsfrom Sale And Maturity Of Equity Securities Fvni ProceedsfromSaleAndMaturityOfEquitySecuritiesFVNI	2300000	usd
CY2023Q1	argo	Proceedsfrom Sale And Maturity Of Equity Securities Fvni ProceedsfromSaleAndMaturityOfEquitySecuritiesFVNI	6000000.0	usd
CY2024Q1	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	31900000	usd
CY2023Q1	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	1900000	usd
CY2024Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	1000000.0	usd
CY2023Q1	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	1700000	usd
CY2024Q1	us-gaap	Payments To Acquire Equity Securities Fv Ni PaymentsToAcquireEquitySecuritiesFvNi	100000	usd
CY2023Q1	us-gaap	Payments To Acquire Equity Securities Fv Ni PaymentsToAcquireEquitySecuritiesFvNi	0	usd
CY2024Q1	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	48500000	usd
CY2023Q1	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	3900000	usd
CY2024Q1	us-gaap	Payments To Acquire Finance Receivables PaymentsToAcquireFinanceReceivables	26900000	usd
CY2023Q1	us-gaap	Payments To Acquire Finance Receivables PaymentsToAcquireFinanceReceivables	0	usd
CY2024Q1	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	637800000	usd
CY2023Q1	us-gaap	Payments For Proceeds From Short Term Investments PaymentsForProceedsFromShortTermInvestments	215000000.0	usd
CY2024Q1	argo	Increase Decrease In Settlements Of Foreign Currency Exchange Forward Contracts IncreaseDecreaseInSettlementsOfForeignCurrencyExchangeForwardContracts	800000	usd
CY2023Q1	argo	Increase Decrease In Settlements Of Foreign Currency Exchange Forward Contracts IncreaseDecreaseInSettlementsOfForeignCurrencyExchangeForwardContracts	5100000	usd
CY2024Q1	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	0	usd
CY2023Q1	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	54300000	usd
CY2024Q1	argo	Payments For Proceeds From Property Plant And Equipment PaymentsForProceedsFromPropertyPlantAndEquipment	0	usd
CY2023Q1	argo	Payments For Proceeds From Property Plant And Equipment PaymentsForProceedsFromPropertyPlantAndEquipment	-1400000	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-512900000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-121600000	usd
CY2024Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	100000000.0	usd
CY2023Q1	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	usd
CY2024Q1	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	100000000.0	usd
CY2023Q1	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	usd
CY2024Q1	argo	Proceeds From Payments To Stock Plans ProceedsFromPaymentsToStockPlans	0	usd
CY2023Q1	argo	Proceeds From Payments To Stock Plans ProceedsFromPaymentsToStockPlans	500000	usd
CY2024Q1	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	2600000	usd
CY2023Q1	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	2600000	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	197400000	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-2100000	usd
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-329200000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-84600000	usd
CY2024Q1	us-gaap	Net Cash Provided By Used In Discontinued Operations NetCashProvidedByUsedInDiscontinuedOperations	0	usd
CY2023Q1	us-gaap	Net Cash Provided By Used In Discontinued Operations NetCashProvidedByUsedInDiscontinuedOperations	70800000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	791600000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	50200000	usd
CY2024Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	462400000	usd
CY2023Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	36400000	usd
CY2024Q1	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	Certain reclassifications have been made to financial information presented for prior years to conform to the current year’s presentation.
CY2024Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	2370000000	usd
CY2024Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	45300000	usd
CY2024Q1	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	1700000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	200000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	2413400000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	2521500000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	65500000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	1400000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	200000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	2585400000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	347300000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	347600000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	950200000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	961300000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	231500000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	240500000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	15600000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	17000000.0	usd
CY2024Q1	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount	825400000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Debt Maturities Without Single Maturity Date Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue	847000000.0	usd
CY2024Q1	us-gaap	Debt Securities Held To Maturity Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss	2370000000	usd
CY2024Q1	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	2413400000	usd
CY2024Q1	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	93700000	usd
CY2023Q4	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	93400000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	212200000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	1700000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	0	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	212200000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	1700000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	107200000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	1400000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	0	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	107200000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	1400000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	1169	security
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	117	security
CY2024Q1	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	0	security
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	200000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Not Previously Recorded DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossNotPreviouslyRecorded	100000	usd
CY2024Q1	argo	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Additional Period Increase Decrease DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossAdditionalPeriodIncreaseDecrease	-100000	usd
CY2024Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	200000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	2800000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Not Previously Recorded DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossNotPreviouslyRecorded	200000	usd
CY2023Q1	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest Allowance For Credit Loss Securities Sold DebtSecuritiesAvailableForSaleExcludingAccruedInterestAllowanceForCreditLossSecuritiesSold	300000	usd
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CY2023Q1	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	2700000	usd
CY2024Q1	argo	Debt Securities Available For Sale Credit Impairment DebtSecuritiesAvailableForSaleCreditImpairment	0	usd
CY2023Q1	argo	Debt Securities Available For Sale Credit Impairment DebtSecuritiesAvailableForSaleCreditImpairment	100000	usd
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	171600000	usd
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CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	144800000	usd
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CY2024Q1	argo	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss Excluding Residential Loans FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossExcludingResidentialLoans	169900000	usd
CY2024Q1	argo	Financing Receivable Before Allowance For Credit Loss Number Of Loans Excluding Residential Loans FinancingReceivableBeforeAllowanceForCreditLossNumberOfLoansExcludingResidentialLoans	29	loan
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	144800000	usd
CY2023Q4	argo	Financing Receivable Before Allowance For Credit Loss Number Of Loans FinancingReceivableBeforeAllowanceForCreditLossNumberOfLoans	28	loan
CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	171600000	usd
CY2024Q1	argo	Financing Receivable Before Allowance For Credit Loss Number Of Loans FinancingReceivableBeforeAllowanceForCreditLossNumberOfLoans	30	loan
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	144800000	usd
CY2023Q1	argo	Net Realized Investment And Other Gains Losses Before Income Taxes NetRealizedInvestmentAndOtherGainsLossesBeforeIncomeTaxes	-17900000	usd
CY2024Q1	argo	Income Tax Expense Benefit Related To Net Realized Investment And Other Gains IncomeTaxExpenseBenefitRelatedToNetRealizedInvestmentAndOtherGains	1600000	usd
CY2023Q4	argo	Financing Receivable Before Allowance For Credit Loss Number Of Loans FinancingReceivableBeforeAllowanceForCreditLossNumberOfLoans	28	security
CY2024Q1	argo	Financing Receivable Before Allowance For Credit Loss Maturity One Year Or Less FinancingReceivableBeforeAllowanceForCreditLossMaturityOneYearOrLess	44800000	usd
CY2024Q1	argo	Financing Receivable Before Allowance For Credit Loss Maturity One Year Or Less Number Of Loans FinancingReceivableBeforeAllowanceForCreditLossMaturityOneYearOrLessNumberOfLoans	8	security
CY2024Q1	argo	Financing Receivable Before Allowance For Credit Loss Maturity Greater Than One Year And Less Than Three FinancingReceivableBeforeAllowanceForCreditLossMaturityGreaterThanOneYearAndLessThanThree	34900000	usd
CY2024Q1	argo	Financing Receivable Before Allowance For Credit Loss Maturity Greater Than One Year And Less Than Three Number Of Loans FinancingReceivableBeforeAllowanceForCreditLossMaturityGreaterThanOneYearAndLessThanThreeNumberOfLoans	3	security
CY2024Q1	argo	Financing Receivable Before Allowance For Credit Loss Maturity Greater Than Three Years And Less Than Five Years FinancingReceivableBeforeAllowanceForCreditLossMaturityGreaterThanThreeYearsAndLessThanFiveYears	32400000	usd
CY2024Q1	argo	Financing Receivable Before Allowance For Credit Loss Maturity Greater Than Three Years And Less Than Five Years Number Of Loans FinancingReceivableBeforeAllowanceForCreditLossMaturityGreaterThanThreeYearsAndLessThanFiveYearsNumberOfLoans	6	security
CY2024Q1	argo	Financing Receivable Before Allowance For Credit Loss Maturity Greater Than Five Years And Less Than Seven Years FinancingReceivableBeforeAllowanceForCreditLossMaturityGreaterThanFiveYearsAndLessThanSevenYears	17200000	usd
CY2024Q1	argo	Financing Receivable Before Allowance For Credit Loss Maturity Greater Than Five Years And Less Than Seven Years Number Of Loans FinancingReceivableBeforeAllowanceForCreditLossMaturityGreaterThanFiveYearsAndLessThanSevenYearsNumberOfLoans	4	security
CY2024Q1	argo	Financing Receivable Before Allowance For Credit Loss Maturity Greater Than Seven Years And Less Than Ten Years FinancingReceivableBeforeAllowanceForCreditLossMaturityGreaterThanSevenYearsAndLessThanTenYears	42300000	usd
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CY2024Q1	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	171600000	usd
CY2024Q1	argo	Financing Receivable Before Allowance For Credit Loss Number Of Loans FinancingReceivableBeforeAllowanceForCreditLossNumberOfLoans	30	loan
CY2023Q4	argo	Financing Receivable Before Allowance For Credit Loss Maturity One Year Or Less FinancingReceivableBeforeAllowanceForCreditLossMaturityOneYearOrLess	19700000	usd
CY2023Q4	argo	Financing Receivable Before Allowance For Credit Loss Maturity One Year Or Less Number Of Loans FinancingReceivableBeforeAllowanceForCreditLossMaturityOneYearOrLessNumberOfLoans	4	security
CY2023Q4	argo	Financing Receivable Before Allowance For Credit Loss Maturity Greater Than One Year And Less Than Three FinancingReceivableBeforeAllowanceForCreditLossMaturityGreaterThanOneYearAndLessThanThree	34900000	usd
CY2023Q4	argo	Financing Receivable Before Allowance For Credit Loss Maturity Greater Than One Year And Less Than Three Number Of Loans FinancingReceivableBeforeAllowanceForCreditLossMaturityGreaterThanOneYearAndLessThanThreeNumberOfLoans	6	security
CY2023Q4	argo	Financing Receivable Before Allowance For Credit Loss Maturity Greater Than Three Years And Less Than Five Years FinancingReceivableBeforeAllowanceForCreditLossMaturityGreaterThanThreeYearsAndLessThanFiveYears	32400000	usd
CY2023Q4	argo	Financing Receivable Before Allowance For Credit Loss Maturity Greater Than Three Years And Less Than Five Years Number Of Loans FinancingReceivableBeforeAllowanceForCreditLossMaturityGreaterThanThreeYearsAndLessThanFiveYearsNumberOfLoans	6	security
CY2023Q4	argo	Financing Receivable Before Allowance For Credit Loss Maturity Greater Than Five Years And Less Than Seven Years FinancingReceivableBeforeAllowanceForCreditLossMaturityGreaterThanFiveYearsAndLessThanSevenYears	17200000	usd
CY2023Q4	argo	Financing Receivable Before Allowance For Credit Loss Maturity Greater Than Five Years And Less Than Seven Years Number Of Loans FinancingReceivableBeforeAllowanceForCreditLossMaturityGreaterThanFiveYearsAndLessThanSevenYearsNumberOfLoans	4	security
CY2023Q4	argo	Financing Receivable Before Allowance For Credit Loss Maturity Greater Than Seven Years And Less Than Ten Years FinancingReceivableBeforeAllowanceForCreditLossMaturityGreaterThanSevenYearsAndLessThanTenYears	40600000	usd
CY2023Q4	argo	Financing Receivable Before Allowance For Credit Loss Maturity Greater Than Seven Years And Less Than Ten Years Number Of Loans FinancingReceivableBeforeAllowanceForCreditLossMaturityGreaterThanSevenYearsAndLessThanTenYearsNumberOfLoans	8	security
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	144800000	usd
CY2023Q4	argo	Financing Receivable Before Allowance For Credit Loss Number Of Loans FinancingReceivableBeforeAllowanceForCreditLossNumberOfLoans	28	loan
CY2024Q1	argo	Gross Realized Investment On Fixed Maturities And Other Gains GrossRealizedInvestmentOnFixedMaturitiesAndOtherGains	9400000	usd
CY2023Q1	argo	Gross Realized Investment On Fixed Maturities And Other Gains GrossRealizedInvestmentOnFixedMaturitiesAndOtherGains	8000000.0	usd
CY2024Q1	argo	Gross Realized Investment On Fixed Maturities And Other Losses GrossRealizedInvestmentOnFixedMaturitiesAndOtherLosses	3100000	usd
CY2023Q1	argo	Gross Realized Investment On Fixed Maturities And Other Losses GrossRealizedInvestmentOnFixedMaturitiesAndOtherLosses	28200000	usd
CY2024Q1	argo	Other Realized Gains Losses On Investments OtherRealizedGainsLossesOnInvestments	0	usd
CY2023Q1	argo	Other Realized Gains Losses On Investments OtherRealizedGainsLossesOnInvestments	-3600000	usd
CY2024Q1	argo	Net Realized Investment On Fixed Maturities And Other Losses NetRealizedInvestmentOnFixedMaturitiesAndOtherLosses	-500000	usd
CY2023Q1	argo	Net Realized Investment On Fixed Maturities And Other Losses NetRealizedInvestmentOnFixedMaturitiesAndOtherLosses	-4200000	usd
CY2024Q1	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	400000	usd
CY2023Q1	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	300000	usd
CY2024Q1	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	0	usd
CY2023Q1	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	6200000	usd
CY2024Q1	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	400000	usd
CY2023Q1	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	6500000	usd
CY2024Q1	argo	Net Realized Investment And Other Gains Losses Before Income Taxes NetRealizedInvestmentAndOtherGainsLossesBeforeIncomeTaxes	6200000	usd
CY2023Q1	argo	Income Tax Expense Benefit Related To Net Realized Investment And Other Gains IncomeTaxExpenseBenefitRelatedToNetRealizedInvestmentAndOtherGains	-5100000	usd
CY2024Q1	argo	Net Realized Investment Gains Losses Net Of Income Taxes NetRealizedInvestmentGainsLossesNetOfIncomeTaxes	4600000	usd
CY2023Q1	argo	Net Realized Investment Gains Losses Net Of Income Taxes NetRealizedInvestmentGainsLossesNetOfIncomeTaxes	-12800000	usd
CY2024Q1	argo	Gains Losses In Investment Unrealized Appreciation Depreciation Before Tax GainsLossesInInvestmentUnrealizedAppreciationDepreciationBeforeTax	-20300000	usd
CY2023Q1	argo	Gains Losses In Investment Unrealized Appreciation Depreciation Before Tax GainsLossesInInvestmentUnrealizedAppreciationDepreciationBeforeTax	55400000	usd
CY2024Q1	argo	Income Tax Expense Benefit Related To Unrealized Appreciation Depreciation Net Tax Effects IncomeTaxExpenseBenefitRelatedToUnrealizedAppreciationDepreciationNetTaxEffects	-4400000	usd
CY2023Q1	argo	Income Tax Expense Benefit Related To Unrealized Appreciation Depreciation Net Tax Effects IncomeTaxExpenseBenefitRelatedToUnrealizedAppreciationDepreciationNetTaxEffects	9900000	usd
CY2024Q1	argo	Gains Losses In Investment Unrealized Appreciation Depreciation After Tax GainsLossesInInvestmentUnrealizedAppreciationDepreciationAfterTax	-15900000	usd
CY2023Q1	argo	Gains Losses In Investment Unrealized Appreciation Depreciation After Tax GainsLossesInInvestmentUnrealizedAppreciationDepreciationAfterTax	45500000	usd
CY2023Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	56800000	usd
CY2024Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	10000000.0	usd
CY2024Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	900000	usd
CY2024Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	-400000	usd
CY2024Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	1600000	usd
CY2024Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	6200000	usd
CY2024Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	42700000	usd
CY2024Q1	argo	Amount Of Gains Or Losses For Period Included In Net Income Attributable To Change In Unrealized Gains Or Losses Relating To Assets Held At End Of Period AmountOfGainsOrLossesForPeriodIncludedInNetIncomeAttributableToChangeInUnrealizedGainsOrLossesRelatingToAssetsHeldAtEndOfPeriod	0	usd
CY2022Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	56200000	usd
CY2023	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	5600000	usd
CY2023	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	13200000	usd
CY2023	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-500000	usd
CY2023	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	800000	usd
CY2023	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	10600000	usd
CY2023	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	1600000	usd
CY2023	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	1100000	usd
CY2023Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	56800000	usd
CY2023	argo	Amount Of Gains Or Losses For Period Included In Net Income Attributable To Change In Unrealized Gains Or Losses Relating To Assets Held At End Of Period AmountOfGainsOrLossesForPeriodIncludedInNetIncomeAttributableToChangeInUnrealizedGainsOrLossesRelatingToAssetsHeldAtEndOfPeriod	-800000	usd
CY2022Q4	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	292000000.0	usd
CY2022Q4	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	4700000	usd
CY2023Q1	us-gaap	Premium Receivable Credit Loss Expense Reversal PremiumReceivableCreditLossExpenseReversal	400000	usd
CY2023Q1	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	271100000	usd
CY2023Q1	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	5100000	usd
CY2023Q4	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	230700000	usd
CY2023Q4	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	3000000.0	usd
CY2024Q1	us-gaap	Premium Receivable Credit Loss Expense Reversal PremiumReceivableCreditLossExpenseReversal	1400000	usd
CY2024Q1	us-gaap	Premiums Receivable Allowance For Doubtful Accounts Write Offs Against Allowance PremiumsReceivableAllowanceForDoubtfulAccountsWriteOffsAgainstAllowance	300000	usd
CY2024Q1	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	209800000	usd
CY2024Q1	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	4100000	usd
CY2022Q4	us-gaap	Reinsurance Recoverables ReinsuranceRecoverables	3029100000	usd
CY2022Q4	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	4700000	usd
CY2023Q1	us-gaap	Reinsurance Recoverables ReinsuranceRecoverables	3016900000	usd
CY2023Q1	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	4700000	usd
CY2023Q4	us-gaap	Reinsurance Recoverables ReinsuranceRecoverables	2959300000	usd
CY2023Q4	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	0	usd
CY2024Q1	us-gaap	Reinsurance Recoverables ReinsuranceRecoverables	2933100000	usd
CY2024Q1	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	0	usd
CY2024Q1	us-gaap	Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense	<div style="margin-top:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The following table provides a reconciliation of reserves for losses and loss adjustment expenses (“LAE”):</span><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:100.000%"><tr><td style="width:1.0%"></td><td style="width:69.398%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.492%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.750%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.354%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.354%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.752%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Successor</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-left:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Predecessor</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:100%">(in millions)</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31, 2024</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-left:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Three Months Ended<br/>March 31, 2023</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Net reserves - beginning of the year</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,747.1 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-left:1pt solid #000;padding:0 1pt"></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,213.1 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Add:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-left:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Losses and LAE incurred during current calendar year, net of reinsurance:</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-left:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Current accident year</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">195.2 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-left:1pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">236.0 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Prior accident years</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">24.8 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-left:1pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">48.6 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Losses and LAE incurred during calendar year, net of reinsurance</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">220.0 </span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-left:1pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">284.6 </span></td><td style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Deduct:</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-left:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Losses and LAE payments made during current calendar year, net of reinsurance:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-left:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Current accident year</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">6.7 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-left:1pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">36.8 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 25pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Prior accident years</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">174.8 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-left:1pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">149.1 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Losses and LAE payments made during current calendar year, net of reinsurance:</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">181.5 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-left:1pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">185.9 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Add/(Deduct):</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-left:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-top:3pt;padding-left:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Divestitures </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:100%;position:relative;top:-3.5pt;vertical-align:baseline">(1)</span></div></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-left:1pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">24.4 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-top:3pt;padding-left:12pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Retroactive reinsurance </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:6.5pt;font-weight:400;line-height:100%;position:relative;top:-3.5pt;vertical-align:baseline">(2)</span></div></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-left:1pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">21.7 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td><td colspan="3" style="display:none"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total net reserve adjustments</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-left:1pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">46.1 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Foreign exchange adjustments</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(1.3)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-left:1pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2.1 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Net reserves - end of period</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,784.3 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-left:1pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,360.0 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Add:</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-left:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Reinsurance recoverables on unpaid losses and LAE, end of period</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,758.8 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td colspan="3" style="background-color:#cceeff;border-left:1pt solid #000;padding:0 1pt"></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">2,824.1 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Gross reserves - end of period</span></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">5,543.1 </span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#ffffff;padding:0 1pt"></td><td colspan="3" style="background-color:#ffffff;border-left:1pt solid #000;padding:0 1pt"></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">5,184.1 </span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr></table></div><div style="margin-top:12pt;padding-left:9pt;text-align:justify;text-indent:-9pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.2pt;font-weight:400;line-height:120%;position:relative;top:-2.8pt;vertical-align:baseline">(1)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:120%;padding-left:2.94pt">For the three months ended March 31, 2023, the adjustment relates to the quarterly activity of Syndicate 1200 and on reinsurance contracts with AUA subsidiaries. Refer to the sale of Argo Underwriting Agency Limited in Note 1, “Business and Significant Accounting Policies” for additional information.</span></div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.2pt;font-weight:400;line-height:120%;position:relative;top:-2.8pt;vertical-align:baseline">(2)</span> In connection with the sale of AUA, the Company entered into two retroactive reinsurance agreements with AUA subsidiaries.
CY2023Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	2747100000	usd
CY2022Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	2213100000	usd
CY2024Q1	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	195200000	usd
CY2023Q1	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	236000000.0	usd
CY2024Q1	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	24800000	usd
CY2023Q1	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	48600000	usd
CY2024Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	220000000.0	usd
CY2023Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	284600000	usd
CY2024Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	6700000	usd
CY2023Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	36800000	usd
CY2024Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	174800000	usd
CY2023Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	149100000	usd
CY2024Q1	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	181500000	usd
CY2023Q1	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	185900000	usd
CY2024Q1	argo	Liability For Unpaid Claims And Claims Adjustment Expense Divestiture Of Business LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseDivestitureOfBusiness	0	usd
CY2023Q1	argo	Liability For Unpaid Claims And Claims Adjustment Expense Divestiture Of Business LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseDivestitureOfBusiness	24400000	usd
CY2024Q1	argo	Liability For Unpaid Claims And Claims Adjustment Expense Adjustments To Retroactive Reinsurance LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAdjustmentsToRetroactiveReinsurance	0	usd
CY2023Q1	argo	Liability For Unpaid Claims And Claims Adjustment Expense Adjustments To Retroactive Reinsurance LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAdjustmentsToRetroactiveReinsurance	21700000	usd
CY2024Q1	argo	Liability For Unpaid Claims And Claims Adjustment Expense Total Deductions LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseTotalDeductions	0	usd
CY2023Q1	argo	Liability For Unpaid Claims And Claims Adjustment Expense Total Deductions LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseTotalDeductions	46100000	usd
CY2024Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Foreign Currency Translation Gain Loss LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseForeignCurrencyTranslationGainLoss	-1300000	usd
CY2023Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Foreign Currency Translation Gain Loss LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseForeignCurrencyTranslationGainLoss	2100000	usd
CY2024Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	2784300000	usd
CY2023Q1	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	2360000000	usd
CY2024Q1	us-gaap	Reinsurance Receivables Incurred But Not Reported Claims ReinsuranceReceivablesIncurredButNotReportedClaims	2758800000	usd
CY2023Q1	us-gaap	Reinsurance Receivables Incurred But Not Reported Claims ReinsuranceReceivablesIncurredButNotReportedClaims	2824100000	usd
CY2024Q1	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	5543100000	usd
CY2023Q1	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	5184100000	usd
	argo	Reinsurance Retroactive Agreements Entered Into Number ReinsuranceRetroactiveAgreementsEnteredIntoNumber	2	agreement
CY2024Q1	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	24800000	usd
CY2023Q1	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	48600000	usd
CY2024Q1	argo	Depositary Shares Dividends Per Share Declared DepositarySharesDividendsPerShareDeclared	0.43750
CY2024Q1	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	-10800000	usd
CY2024Q1	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	5200000	usd
CY2024Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-16000000.0	usd
CY2023Q1	us-gaap	Oci Before Reclassifications Net Of Tax Attributable To Parent OciBeforeReclassificationsNetOfTaxAttributableToParent	29200000	usd
CY2023Q1	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	-17500000	usd
CY2023Q1	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	46700000	usd
CY2024Q1	us-gaap	Interest Paid Net InterestPaidNet	9000000.0	usd
CY2023Q1	us-gaap	Interest Paid Net InterestPaidNet	8600000	usd
CY2024Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	0	usd
CY2023Q1	us-gaap	Income Taxes Paid IncomeTaxesPaid	400000	usd
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CY2023Q1	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	100000	usd
CY2024Q1	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	0	usd
CY2023Q1	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	300000	usd
CY2024Q1	us-gaap	Noninterest Expense Commission Expense NoninterestExpenseCommissionExpense	31100000	usd
CY2023Q1	us-gaap	Noninterest Expense Commission Expense NoninterestExpenseCommissionExpense	57500000	usd
CY2024Q1	argo	Other Underwriting Acquisition And Insurance Expenses OtherUnderwritingAcquisitionAndInsuranceExpenses	68100000	usd
CY2023Q1	argo	Other Underwriting Acquisition And Insurance Expenses OtherUnderwritingAcquisitionAndInsuranceExpenses	86000000.0	usd
CY2024Q1	us-gaap	Amortization Of Value Of Business Acquired Voba AmortizationOfValueOfBusinessAcquiredVOBA	42900000	usd
CY2023Q1	us-gaap	Amortization Of Value Of Business Acquired Voba AmortizationOfValueOfBusinessAcquiredVOBA	0	usd
CY2024Q1	argo	Underwriting Acquisition And Insurance Expense Gross UnderwritingAcquisitionAndInsuranceExpenseGross	142100000	usd
CY2023Q1	argo	Underwriting Acquisition And Insurance Expense Gross UnderwritingAcquisitionAndInsuranceExpenseGross	143500000	usd
CY2024Q1	argo	Net Supplementary Insurance Information Amortization Deferral Of Deferred Policy Acquisition Costs NetSupplementaryInsuranceInformationAmortizationDeferralOfDeferredPolicyAcquisitionCosts	25000000.0	usd
CY2023Q1	argo	Net Supplementary Insurance Information Amortization Deferral Of Deferred Policy Acquisition Costs NetSupplementaryInsuranceInformationAmortizationDeferralOfDeferredPolicyAcquisitionCosts	6500000	usd
CY2024Q1	argo	Underwriting Acquisition And Insurance Expenses UnderwritingAcquisitionAndInsuranceExpenses	117100000	usd
CY2023Q1	argo	Underwriting Acquisition And Insurance Expenses UnderwritingAcquisitionAndInsuranceExpenses	137000000.0	usd
CY2024Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	27200000	usd
CY2024Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.058
CY2023Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-42300000	usd
CY2023Q1	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.201
CY2024Q1	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	5700000	usd
CY2023Q1	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-5400000	usd
CY2024Q1	argo	Income Tax Reconciliation Foreign Exchange Adjustments IncomeTaxReconciliationForeignExchangeAdjustments	0	usd
CY2023Q1	argo	Income Tax Reconciliation Foreign Exchange Adjustments IncomeTaxReconciliationForeignExchangeAdjustments	-2600000	usd
CY2024Q1	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	usd
CY2023Q1	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-500000	usd
CY2024Q1	us-gaap	Income Tax Reconciliation Prior Year Income Taxes IncomeTaxReconciliationPriorYearIncomeTaxes	-4400000	usd
CY2023Q1	us-gaap	Income Tax Reconciliation Prior Year Income Taxes IncomeTaxReconciliationPriorYearIncomeTaxes	0	usd
CY2024Q1	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	300000	usd
CY2023Q1	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	0	usd
CY2024Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1600000	usd
CY2023Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-8500000	usd
CY2024Q1	argo	Net Operating Losses Carry Back Period NetOperatingLossesCarryBackPeriod	P2Y
CY2024Q1	argo	Capital Losses Carry Back Period CapitalLossesCarryBackPeriod	P3Y
CY2024Q1	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	36200000	usd
CY2024Q1	argo	Unrecognized Tax Benefits Increase Decrease In Interest On Income Taxes Expense UnrecognizedTaxBenefitsIncreaseDecreaseInInterestOnIncomeTaxesExpense	-1100000	usd
CY2024Q1	argo	Unrecognized Tax Benefits Increase Decrease In Income Tax Penalties Expense UnrecognizedTaxBenefitsIncreaseDecreaseInIncomeTaxPenaltiesExpense	-200000	usd
CY2024Q1	us-gaap	Contractual Obligation ContractualObligation	93700000	usd
CY2024Q1	argo	Contractual Obligation Period ContractualObligationPeriod	P12Y
CY2024Q1	argo	Contractual Obligation To Fund Loan And Mortgage Loans ContractualObligationToFundLoanAndMortgageLoans	29400000	usd
CY2024Q1	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2024Q1	us-gaap	Premiums Earned Net PremiumsEarnedNet	313700000	usd
CY2023Q1	us-gaap	Premiums Earned Net PremiumsEarnedNet	389900000	usd
CY2024Q1	us-gaap	Net Investment Income NetInvestmentIncome	58800000	usd
CY2023Q1	us-gaap	Net Investment Income NetInvestmentIncome	29700000	usd
CY2024Q1	us-gaap	Gain Loss On Investments GainLossOnInvestments	6200000	usd
CY2023Q1	us-gaap	Gain Loss On Investments GainLossOnInvestments	-17900000	usd
CY2024Q1	us-gaap	Revenues Revenues	378700000	usd
CY2023Q1	us-gaap	Revenues Revenues	401700000	usd
CY2024Q1	us-gaap	Gain Loss On Investments GainLossOnInvestments	6200000	usd
CY2023Q1	us-gaap	Gain Loss On Investments GainLossOnInvestments	-17900000	usd
CY2024Q1	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	2000000.0	usd
CY2023Q1	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-2700000	usd
CY2024Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	27200000	usd
CY2023Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-42300000	usd
CY2024Q1	us-gaap	Premiums Earned Net PremiumsEarnedNet	313700000	usd
CY2023Q1	us-gaap	Premiums Earned Net PremiumsEarnedNet	389900000	usd
CY2024Q1	us-gaap	Assets Assets	8647100000	usd
CY2023Q4	us-gaap	Assets Assets	8503100000	usd
CY2024Q1	argo	Underwriting Acquisition And Insurance Expenses UnderwritingAcquisitionAndInsuranceExpenses	117100000	usd
CY2023Q1	argo	Underwriting Acquisition And Insurance Expenses UnderwritingAcquisitionAndInsuranceExpenses	137000000	usd
CY2024Q1	us-gaap	Amortization Of Value Of Business Acquired Voba AmortizationOfValueOfBusinessAcquiredVOBA	42900000	usd
CY2024Q1	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	7700000	usd
CY2023Q1	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	11600000	usd

Files In Submission

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FilingSummary.xml	Edgar Link	unprocessable
argo-20240331_cal.xml	Edgar Link	unprocessable

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$ARGD
Argo Group International Holdings, Inc. Stock $argd

2024 Q2 Form 10-Q Financial Statement

#000162828024022277 Filed on May 09, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ARGD Argo Group International Holdings, Inc. Stock $argd

2024 Q2 Form 10-Q Financial Statement

#000162828024022277 Filed on May 09, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ARGD
Argo Group International Holdings, Inc. Stock $argd