$HG
Hamilton Insurance Group Ltd Stock $hg

$hg Overview Financials Valuation SEC Filings Company Website

2024 Q4 Form 10-Q Financial Statement

#000159327524000112 Filed on November 07, 2024

Income Statement

Concept	2024 Q4	2024 Q3
Revenue		$512.8M
YoY Change		29.42%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin		$62.39M
YoY Change		-1.02%
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization		$102.2M
YoY Change		30.13%
% of Gross Profit
Operating Expenses		$62.39M
YoY Change		-1.02%
Operating Profit
YoY Change
Interest Expense		$5.400M
YoY Change		1.89%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income		$64.06M
YoY Change		16.41%
Income Tax		$3.029M
% Of Pretax Income		4.73%
Net Earnings		$61.04M
YoY Change		15.93%
Net Earnings / Revenue		11.9%
Basic Earnings Per Share		$0.77
Diluted Earnings Per Share		$0.74
COMMON SHARES
Basic Shares Outstanding	64.20M shares	61.34M shares
Diluted Shares Outstanding		106.4M shares

Balance Sheet

Concept	2024 Q4	2024 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents		$1.000B
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		$94.44M
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		$7.827B
YoY Change		20.32%
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		$5.453B
YoY Change		15.9%
SHAREHOLDERS EQUITY
Retained Earnings		$1.145B
YoY Change		69.7%
Common Stock		$1.014M
YoY Change		-2.22%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity		$2.314B
YoY Change
Total Liabilities & Shareholders Equity		$7.827B
YoY Change		20.32%

Cashflow Statement

Concept	2024 Q4	2024 Q3
OPERATING ACTIVITIES
Net Income		$61.04M
YoY Change		15.93%
Depreciation, Depletion And Amortization		$102.2M
YoY Change		30.13%
Cash From Operating Activities
YoY Change
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities
YoY Change
Cash From Investing Activities
YoY Change
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities
YoY Change
NET CHANGE
Cash From Operating Activities
Cash From Investing Activities
Cash From Financing Activities
Net Change In Cash
YoY Change
FREE CASH FLOW
Cash From Operating Activities
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0001593275
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2024
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2024-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity Registrant Name EntityRegistrantName	Hamilton Insurance Group, Ltd.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	D0
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	98-1153847
	dei	Entity Address Address Line1 EntityAddressAddressLine1	Wellesley House North, 1st Floor
	dei	Entity Address Address Line2 EntityAddressAddressLine2	90 Pitts Bay Road
	dei	Entity Address City Or Town EntityAddressCityOrTown	Pembroke
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	HM 08
	dei	Entity Address Country EntityAddressCountry	BM
	dei	City Area Code CityAreaCode	441
	dei	Local Phone Number LocalPhoneNumber	405-5200
	dei	Trading Symbol TradingSymbol	HG
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2024Q3	us-gaap	Investment Owned At Cost InvestmentOwnedAtCost	829606000	usd
CY2023Q4	us-gaap	Investment Owned At Cost InvestmentOwnedAtCost	770191000	usd
CY2024Q3	us-gaap	Alternative Investment AlternativeInvestment	932787000	usd
CY2023Q4	us-gaap	Alternative Investment AlternativeInvestment	851470000	usd
CY2024Q3	us-gaap	Investments Investments	3760918000	usd
CY2023Q4	us-gaap	Investments Investments	3111616000	usd
CY2024Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	957372000	usd
CY2024Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	93883000	usd
CY2023Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	106351000	usd
CY2024Q3	us-gaap	Reinsurance Recoverables On Paid Losses ReinsuranceRecoverablesOnPaidLosses	146008000	usd
CY2023Q4	us-gaap	Reinsurance Recoverables On Paid Losses ReinsuranceRecoverablesOnPaidLosses	145202000	usd
CY2023Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	156895000	usd
CY2024Q3	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	1190465000	usd
CY2023Q4	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	1161077000	usd
CY2024Q3	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	39079000	usd
CY2023Q4	us-gaap	Receivables From Brokers Dealers And Clearing Organizations ReceivablesFromBrokersDealersAndClearingOrganizations	42419000	usd
CY2024Q3	us-gaap	Prepaid Reinsurance Premiums PrepaidReinsurancePremiums	260174000	usd
CY2023Q4	us-gaap	Prepaid Reinsurance Premiums PrepaidReinsurancePremiums	194306000	usd
CY2024Q3	us-gaap	Other Assets OtherAssets	192510000	usd
CY2023Q4	us-gaap	Other Assets OtherAssets	209621000	usd
CY2024Q3	us-gaap	Assets Assets	7826547000	usd
CY2023Q4	us-gaap	Assets Assets	6671355000	usd
CY2024Q3	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	3434800000	usd
CY2023Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	3030037000	usd
CY2024Q3	us-gaap	Unearned Premiums UnearnedPremiums	1192071000	usd
CY2023Q4	us-gaap	Unearned Premiums UnearnedPremiums	911222000	usd
CY2024Q3	us-gaap	Reinsurance Payable ReinsurancePayable	334511000	usd
CY2023Q4	us-gaap	Reinsurance Payable ReinsurancePayable	272310000	usd
CY2023Q4	srt	Payables To Broker Dealers And Clearing Organizations PayablesToBrokerDealersAndClearingOrganizations	66606000	usd
CY2024Q3	us-gaap	Long Term Debt LongTermDebt	149916000	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	149830000	usd
CY2024Q3	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	168658000	usd
CY2023Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	186887000	usd
CY2024Q3	us-gaap	Other Liabilities OtherLiabilities	0	usd
CY2023Q4	us-gaap	Other Liabilities OtherLiabilities	6480000	usd
CY2024Q3	us-gaap	Liabilities Liabilities	5452861000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	4623372000	usd
CY2024Q3	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	60060000	usd
CY2023Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	133000	usd
CY2024Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1172331000	usd
CY2023Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1249817000	usd
CY2024Q3	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-4441000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-4441000	usd
CY2024Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1144722000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	801373000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	2313626000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	2047850000	usd
CY2024Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	7826547000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	6671355000	usd
CY2024Q3	us-gaap	Premiums Written Gross PremiumsWrittenGross	553401000	usd
CY2023Q3	us-gaap	Premiums Written Gross PremiumsWrittenGross	474123000	usd
	us-gaap	Premiums Written Gross PremiumsWrittenGross	1878645000	usd
CY2024Q3	us-gaap	Ceded Premiums Written CededPremiumsWritten	75505000	usd
CY2023Q3	us-gaap	Ceded Premiums Written CededPremiumsWritten	90557000	usd
	us-gaap	Ceded Premiums Written CededPremiumsWritten	410802000	usd
	us-gaap	Ceded Premiums Written CededPremiumsWritten	400475000	usd
CY2023Q3	us-gaap	Premiums Written Net PremiumsWrittenNet	383566000	usd
	us-gaap	Premiums Written Net PremiumsWrittenNet	1467843000	usd
	us-gaap	Premiums Written Net PremiumsWrittenNet	1116772000	usd
CY2024Q3	us-gaap	Increase Decrease In Unearned Premiums Net IncreaseDecreaseInUnearnedPremiumsNet	-29101000	usd
CY2023Q3	us-gaap	Increase Decrease In Unearned Premiums Net IncreaseDecreaseInUnearnedPremiumsNet	-46530000	usd
	us-gaap	Increase Decrease In Unearned Premiums Net IncreaseDecreaseInUnearnedPremiumsNet	-214981000	usd
	us-gaap	Increase Decrease In Unearned Premiums Net IncreaseDecreaseInUnearnedPremiumsNet	-164374000	usd
CY2024Q3	us-gaap	Premiums Earned Net PremiumsEarnedNet	448795000	usd
CY2023Q3	us-gaap	Premiums Earned Net PremiumsEarnedNet	337036000	usd
	us-gaap	Premiums Earned Net PremiumsEarnedNet	1252862000	usd
	us-gaap	Premiums Earned Net PremiumsEarnedNet	952398000	usd
CY2024Q3	us-gaap	Gain Loss On Investments GainLossOnInvestments	48228000	usd
CY2023Q3	us-gaap	Gain Loss On Investments GainLossOnInvestments	47343000	usd
	us-gaap	Gain Loss On Investments GainLossOnInvestments	454851000	usd
	us-gaap	Gain Loss On Investments GainLossOnInvestments	101881000	usd
CY2024Q3	us-gaap	Investment Income Net InvestmentIncomeNet	17330000	usd
CY2023Q3	us-gaap	Investment Income Net InvestmentIncomeNet	8069000	usd
	us-gaap	Investment Income Net InvestmentIncomeNet	43667000	usd
	us-gaap	Investment Income Net InvestmentIncomeNet	17719000	usd
CY2024Q3	us-gaap	Other Income OtherIncome	4464000	usd
CY2023Q3	us-gaap	Other Income OtherIncome	2386000	usd
	us-gaap	Other Income OtherIncome	17934000	usd
	us-gaap	Other Income OtherIncome	7838000	usd
CY2023Q3	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	1432000	usd
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-9883000	usd
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-3953000	usd
CY2024Q3	us-gaap	Revenues Revenues	512844000	usd
CY2023Q3	us-gaap	Revenues Revenues	396266000	usd
	us-gaap	Revenues Revenues	1759431000	usd
	us-gaap	Revenues Revenues	1075883000	usd
CY2024Q3	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	273632000	usd
CY2023Q3	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	191577000	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	720478000	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	519554000	usd
CY2023Q3	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	78537000	usd
	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	283059000	usd
	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	220532000	usd
CY2024Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	62392000	usd
CY2023Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	63035000	usd
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	182164000	usd
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	158075000	usd
CY2024Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5204000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	11773000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	7869000	usd
	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	1214564000	usd
	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	922037000	usd
CY2024Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	64064000	usd
CY2023Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	55035000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	544867000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	153846000	usd
CY2024Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3029000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2387000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6118000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6908000	usd
CY2023Q3	us-gaap	Profit Loss ProfitLoss	52648000	usd
	us-gaap	Profit Loss ProfitLoss	538749000	usd
	us-gaap	Profit Loss ProfitLoss	146938000	usd
CY2024Q3	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	-17215000	usd
CY2023Q3	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	9065000	usd
	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	172240000	usd
	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	15076000	usd
CY2024Q3	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	78250000	usd
CY2023Q3	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	43583000	usd
	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	366509000	usd
	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	131862000	usd
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.77
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.42
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.45
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.27
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.74
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.41
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.33
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.26
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	2313626000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	1799725000	usd
CY2024Q3	us-gaap	Stockholders Equity StockholdersEquity	2313626000	usd
CY2023Q3	us-gaap	Stockholders Equity StockholdersEquity	1799725000	usd
	us-gaap	Profit Loss ProfitLoss	538749000	usd
	us-gaap	Profit Loss ProfitLoss	146938000	usd
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	13081000	usd
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	8990000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	22264000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	10095000	usd
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	382646000	usd
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	32363000	usd
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	72205000	usd
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	69518000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	11786000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-1330000	usd
	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	166372000	usd
	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	49058000	usd
	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	36167000	usd
	us-gaap	Increase Decrease In Prepaid Reinsurance Premiums IncreaseDecreaseInPrepaidReinsurancePremiums	65868000	usd
	us-gaap	Increase Decrease In Prepaid Reinsurance Premiums IncreaseDecreaseInPrepaidReinsurancePremiums	67898000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-17111000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-3253000	usd
	us-gaap	Increase Decrease In Liability For Claims And Claims Adjustment Expense Reserve IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve	404763000	usd
	us-gaap	Increase Decrease In Liability For Claims And Claims Adjustment Expense Reserve IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve	92547000	usd
	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	280849000	usd
	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	233408000	usd
	us-gaap	Increase Decrease In Reinsurance Payables IncreaseDecreaseInReinsurancePayables	62201000	usd
	us-gaap	Increase Decrease In Reinsurance Payables IncreaseDecreaseInReinsurancePayables	123634000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-24667000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	26711000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	475213000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	247669000	usd
	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	2129185000	usd
	us-gaap	Proceeds From Sale Of Other Investments ProceedsFromSaleOfOtherInvestments	1821046000	usd
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	1836664000	usd
	us-gaap	Payments To Acquire Other Investments PaymentsToAcquireOtherInvestments	1954119000	usd
	us-gaap	Payments To Acquire Trading Securities Heldforinvestment PaymentsToAcquireTradingSecuritiesHeldforinvestment	809646000	usd
	us-gaap	Proceeds From Sale And Maturity Of Trading Securities Heldforinvestment ProceedsFromSaleAndMaturityOfTradingSecuritiesHeldforinvestment	1032664000	usd
	us-gaap	Proceeds From Sale And Maturity Of Trading Securities Heldforinvestment ProceedsFromSaleAndMaturityOfTradingSecuritiesHeldforinvestment	418677000	usd
	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	1335003000	usd
	us-gaap	Payments To Acquire Short Term Investments PaymentsToAcquireShortTermInvestments	1078631000	usd
	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	1288278000	usd
	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	1032091000	usd
	us-gaap	Increase Decrease In Receivable For Investment Sold IncreaseDecreaseInReceivableForInvestmentSold	18673000	usd
	us-gaap	Increase Decrease In Payable For Investment Purchased IncreaseDecreaseInPayableForInvestmentPurchased	106299000	usd
	us-gaap	Increase Decrease In Payable For Investment Purchased IncreaseDecreaseInPayableForInvestmentPurchased	69741000	usd
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	16570000	usd
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	11425000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-95276000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-530939000	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	11000	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	8000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	123394000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2247000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	903527000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	794509000	usd
CY2024Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	94441000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	90996000	usd
CY2024Q3	srt	Payables To Broker Dealers And Clearing Organizations PayablesToBrokerDealersAndClearingOrganizations	172905000	usd
	dei	Entity File Number EntityFileNumber	001-41862
CY2024Q3	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	885744000	usd
	us-gaap	Premiums Written Gross PremiumsWrittenGross	1517247000	usd
CY2024Q3	us-gaap	Premiums Written Net PremiumsWrittenNet	477896000	usd
CY2023Q3	hg	Gain Loss On Investments And Net Investment Income GainLossOnInvestmentsAndNetInvestmentIncome	55412000	usd
	hg	Gain Loss On Investments And Net Investment Income GainLossOnInvestmentsAndNetInvestmentIncome	498518000	usd
	hg	Gain Loss On Investments And Net Investment Income GainLossOnInvestmentsAndNetInvestmentIncome	119600000	usd
CY2024Q3	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	102201000	usd
CY2023Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2794000	usd
CY2024Q3	us-gaap	Profit Loss ProfitLoss	61035000	usd
	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	227381000	usd
	hg	Increase Decrease In Reinsurance Recoverable Paid Claims And Claims Adjustments IncreaseDecreaseInReinsuranceRecoverablePaidClaimsAndClaimsAdjustments	806000	usd
	hg	Increase Decrease In Reinsurance Recoverable Paid Claims And Claims Adjustments IncreaseDecreaseInReinsuranceRecoverablePaidClaimsAndClaimsAdjustments	47659000	usd
	hg	Increase Decrease In Reinsurance Recoverable Unpaid Losses And Loss Adjustment Expenses IncreaseDecreaseInReinsuranceRecoverableUnpaidLossesAndLossAdjustmentExpenses	29388000	usd
	hg	Increase Decrease In Reinsurance Recoverable Unpaid Losses And Loss Adjustment Expenses IncreaseDecreaseInReinsuranceRecoverableUnpaidLossesAndLossAdjustmentExpenses	-20740000	usd
	us-gaap	Increase Decrease In Receivable For Investment Sold IncreaseDecreaseInReceivableForInvestmentSold	-3340000	usd
	hg	Proceeds From Payments For From Contributions To Additional Paid In Capital ProceedsFromPaymentsForFromContributionsToAdditionalPaidInCapital	386000	usd
	hg	Proceeds From Payments For From Contributions To Additional Paid In Capital ProceedsFromPaymentsForFromContributionsToAdditionalPaidInCapital	-8000	usd
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	112313000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-235310000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-17313000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	5768000	usd
	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-3093000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	150395000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-303676000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	900860000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1207203000	usd
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1051255000	usd
	us-gaap	Nature Of Operations NatureOfOperations	Organization<div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Hamilton Insurance Group, Ltd. ("Hamilton Group", the "Group" or the "Company"), the ultimate group holding company, was incorporated on September 4, 2013, under the laws of Bermuda. On November 14, 2023, the Company consummated an initial public offering ("IPO") of its Class B common shares, which are listed on the NYSE. </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Our Bermuda operations are led by Hamilton Re, Ltd. ("Hamilton Re"), a registered Class 4 insurer incorporated in Bermuda. Hamilton Re writes property, casualty, and specialty insurance and reinsurance on a global basis. </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:112%">Hamilton Re US is a tax partnership that was formed pursuant to an arrangement between Hamilton Re and its Bermuda-incorporated affiliate, Hamilton ILS Holdings Limited. The tax partnership is treated as a U.S. corporation for U.S. tax purposes and is registered with the U.S. Internal Revenue Service, such that underwriting and investment income derived from capital allocated to Hamilton Re US are subject to U.S. taxation. </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Ada Capital Management Limited ("ACML"), a wholly owned insurance agent incorporated and regulated in Bermuda, is authorized to underwrite on behalf of Ada Re, Ltd. ("Ada Re"). </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Our London operations are comprised of Hamilton Managing Agency Limited ("HMA"), a Lloyd’s managing agency, which manages our wholly aligned Syndicate 4000 and a third-party funded Lloyd’s Syndicate. Syndicate 4000 operates in the Lloyd’s market and underwrites property, casualty, and specialty insurance and reinsurance business on a subscription basis. </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Our Dublin operations are comprised of Hamilton Insurance Designated Activity Company ("HIDAC"), a Dublin-based insurer with a U.K. branch and extensive licensing in the United States, including excess and surplus lines and reinsurance in all 50 states.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Hamilton Managing General Agency Americas LLC ("HMGA Americas") is licensed throughout the United States and underwrites on behalf of the Group's London, Dublin and Bermuda operations solely in respect of Hamilton Re US, providing access from the U.S. to the Lloyd's market, the Group's rated Irish carrier and the Group's Bermuda balance sheet, respectively. </span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Hamilton Select Insurance Inc. ("Hamilton Select") is a U.S. domestic excess and surplus lines carrier incorporated in Delaware and authorized to write excess and surplus business in all 50 states.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Two Sigma Hamilton Fund, LLC ("TS Hamilton Fund"), is a Delaware limited liability company. In 2013, Hamilton Re entered into a limited liability company agreement with TS Hamilton Fund and Two Sigma Principals, LLC (the "Managing Member") as the managing member of TS Hamilton Fund. Effective July 1, 2023, Hamilton Re has committed to an investment in TS Hamilton Fund in an amount up to the lesser of (i) $1.8 billion or (ii) 60% of Hamilton Group’s net tangible assets (previously equal to a minimum of 95% of the consolidated net tangible assets of Hamilton Group). TS Hamilton Fund has engaged Two Sigma Investments, LP ("Two Sigma"), a related party Delaware limited partnership, to serve as its investment manager. Two Sigma is a United States Securities and Exchange Commission registered investment adviser specializing in quantitative analysis (see Note 3, </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Investments</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> for further details).</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Unconsolidated Related Parties</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Ada Re is a special purpose insurer funded by third party investors and formed to provide fully collateralized reinsurance and retrocession to both Hamilton Group and third-party cedants.</span></div><div><span><br/></span></div><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Easton Re has issued an industry loss index-triggered catastrophe bond that provides the Company's operating platforms with multi-year risk transfer capacity to protect against named storm risk in the United States and earthquake risk in the United States and Canada. See Note 7, </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">Reinsurance</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">, for further details.</span></div>
	us-gaap	Use Of Estimates UseOfEstimates	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%;padding-left:27.94pt">Use of Estimates</span><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported and disclosed amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. The major estimates recorded in the Company’s financial statements include, but are not limited to, premiums written, provisions for estimated future credit losses, the reserve for losses and loss adjustment expenses and the fair value of investments.</span></div>
CY2024Q3	hg	Debt Securities Trading Accumulated Gross Unrealized Gain Before Tax DebtSecuritiesTradingAccumulatedGrossUnrealizedGainBeforeTax	43175000	usd
CY2024Q3	hg	Debt Securities Trading Accumulated Gross Unrealized Loss Before Tax DebtSecuritiesTradingAccumulatedGrossUnrealizedLossBeforeTax	27456000	usd
CY2024Q3	us-gaap	Trading Securities Debt TradingSecuritiesDebt	2828131000	usd
CY2023Q4	us-gaap	Trading Securities Debt Amortized Cost TradingSecuritiesDebtAmortizedCost	2294936000	usd
CY2023Q4	hg	Debt Securities Trading Accumulated Gross Unrealized Gain Before Tax DebtSecuritiesTradingAccumulatedGrossUnrealizedGainBeforeTax	17667000	usd
CY2023Q4	hg	Debt Securities Trading Accumulated Gross Unrealized Loss Before Tax DebtSecuritiesTradingAccumulatedGrossUnrealizedLossBeforeTax	52457000	usd
CY2023Q4	us-gaap	Trading Securities Debt TradingSecuritiesDebt	2260146000	usd
CY2024Q3	us-gaap	Investment Owned At Cost InvestmentOwnedAtCost	829606000	usd
CY2023Q4	us-gaap	Investment Owned At Cost InvestmentOwnedAtCost	770191000	usd
CY2024Q3	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	93711000	usd
CY2024Q3	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-45483000	usd
CY2024Q3	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	29875000	usd
CY2024Q3	us-gaap	Management Fee Expense ManagementFeeExpense	12207000	usd
CY2024Q3	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	338000	usd
CY2024Q3	us-gaap	Investment Income Net InvestmentIncomeNet	17330000	usd
CY2024Q3	hg	Gain Loss On Investments And Net Investment Income GainLossOnInvestmentsAndNetInvestmentIncome	65558000	usd
CY2024Q3	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	93711000	usd
CY2024Q3	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-45483000	usd
CY2024Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1100000000	usd
CY2024Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1000000000.0	usd
CY2023Q4	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	3000000.0	usd
	dei	Security12b Title Security12bTitle	Class B common shares, par value $0.01 per share
CY2024Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	64196974	shares
CY2023Q4	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	658363000	usd
CY2024Q3	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	205953000	usd
CY2024Q3	hg	Gain Loss On Investments And Net Investment Income GainLossOnInvestmentsAndNetInvestmentIncome	65558000	usd
CY2024Q3	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-5973000	usd
CY2024Q3	us-gaap	Interest Expense InterestExpense	5351000	usd
CY2023Q3	us-gaap	Interest Expense InterestExpense	5288000	usd
	us-gaap	Interest Expense InterestExpense	17090000	usd
	us-gaap	Interest Expense InterestExpense	16007000	usd
CY2024Q3	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	448780000	usd
CY2023Q3	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	341231000	usd
	us-gaap	Payments To Acquire Trading Securities Heldforinvestment PaymentsToAcquireTradingSecuritiesHeldforinvestment	1466805000	usd
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	15066000	usd
CY2024Q3	us-gaap	Trading Securities Debt Amortized Cost TradingSecuritiesDebtAmortizedCost	2812412000	usd
CY2023Q3	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	42403000	usd
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	382646000	usd
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	32363000	usd
CY2023Q3	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	4940000	usd
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	72205000	usd
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	69518000	usd
CY2024Q3	us-gaap	Gain Loss On Investments GainLossOnInvestments	48228000	usd
CY2023Q3	us-gaap	Gain Loss On Investments GainLossOnInvestments	47343000	usd
	us-gaap	Gain Loss On Investments GainLossOnInvestments	454851000	usd
	us-gaap	Gain Loss On Investments GainLossOnInvestments	101881000	usd
CY2023Q3	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	19292000	usd
	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	81182000	usd
	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	54265000	usd
CY2023Q3	us-gaap	Management Fee Expense ManagementFeeExpense	10958000	usd
	us-gaap	Management Fee Expense ManagementFeeExpense	36640000	usd
	us-gaap	Management Fee Expense ManagementFeeExpense	35806000	usd
CY2023Q3	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	265000	usd
	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	875000	usd
	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	740000	usd
CY2023Q3	us-gaap	Investment Income Net InvestmentIncomeNet	8069000	usd
	us-gaap	Investment Income Net InvestmentIncomeNet	43667000	usd
	us-gaap	Investment Income Net InvestmentIncomeNet	17719000	usd
CY2023Q3	hg	Gain Loss On Investments And Net Investment Income GainLossOnInvestmentsAndNetInvestmentIncome	55412000	usd
	hg	Gain Loss On Investments And Net Investment Income GainLossOnInvestmentsAndNetInvestmentIncome	498518000	usd
	hg	Gain Loss On Investments And Net Investment Income GainLossOnInvestmentsAndNetInvestmentIncome	119600000	usd
CY2023Q3	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	42403000	usd
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	382646000	usd
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	32363000	usd
CY2023Q3	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	4940000	usd
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	72205000	usd
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	69518000	usd
CY2024Q3	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	93900000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	900900000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	794500000	usd
CY2023Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	106400000	usd
CY2024Q3	us-gaap	Trading Securities Debt TradingSecuritiesDebt	2828131000	usd
CY2023Q4	us-gaap	Trading Securities Debt TradingSecuritiesDebt	2260146000	usd
CY2024Q3	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	2000000.0	usd
CY2024Q3	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	885700000	usd
CY2023Q4	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	658400000	usd
CY2024Q2	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	1962000	usd
CY2023Q2	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	3098000	usd
CY2023Q4	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	3000000	usd
CY2022Q4	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	2856000	usd
CY2024Q3	us-gaap	Premiums Receivable Allowance For Doubtful Accounts Period Increase Decrease PremiumsReceivableAllowanceForDoubtfulAccountsPeriodIncreaseDecrease	46000	usd
CY2023Q3	us-gaap	Premiums Receivable Allowance For Doubtful Accounts Period Increase Decrease PremiumsReceivableAllowanceForDoubtfulAccountsPeriodIncreaseDecrease	-356000	usd
	us-gaap	Premiums Receivable Allowance For Doubtful Accounts Period Increase Decrease PremiumsReceivableAllowanceForDoubtfulAccountsPeriodIncreaseDecrease	-992000	usd
	us-gaap	Premiums Receivable Allowance For Doubtful Accounts Period Increase Decrease PremiumsReceivableAllowanceForDoubtfulAccountsPeriodIncreaseDecrease	-114000	usd
CY2024Q3	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	2008000	usd
CY2023Q3	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	2742000	usd
CY2024Q3	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	2008000	usd
CY2023Q3	us-gaap	Premiums Receivable Allowance For Doubtful Accounts PremiumsReceivableAllowanceForDoubtfulAccounts	2742000	usd
CY2024Q3	us-gaap	Reinsurance Recoverables On Paid Losses ReinsuranceRecoverablesOnPaidLosses	146000000	usd
CY2024Q3	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	1200000000	usd
CY2024Q3	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	800000	usd
CY2023Q4	us-gaap	Reinsurance Recoverables On Paid Losses ReinsuranceRecoverablesOnPaidLosses	145200000	usd
CY2023Q4	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	1200000000	usd
CY2023Q4	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	700000	usd
CY2024Q2	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	755000	usd
CY2023Q2	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	820000	usd
CY2023Q4	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	687000	usd
CY2022Q4	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	777000	usd
CY2024Q3	us-gaap	Reinsurance Recoverable Allowance For Credit Loss Period Increase Decrease ReinsuranceRecoverableAllowanceForCreditLossPeriodIncreaseDecrease	78000	usd
CY2023Q3	us-gaap	Reinsurance Recoverable Allowance For Credit Loss Period Increase Decrease ReinsuranceRecoverableAllowanceForCreditLossPeriodIncreaseDecrease	-129000	usd
	us-gaap	Reinsurance Recoverable Allowance For Credit Loss Period Increase Decrease ReinsuranceRecoverableAllowanceForCreditLossPeriodIncreaseDecrease	146000	usd
	us-gaap	Reinsurance Recoverable Allowance For Credit Loss Period Increase Decrease ReinsuranceRecoverableAllowanceForCreditLossPeriodIncreaseDecrease	-86000	usd
CY2024Q3	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	833000	usd
CY2023Q3	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	691000	usd
CY2024Q3	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	833000	usd
CY2023Q3	us-gaap	Reinsurance Recoverables Allowance ReinsuranceRecoverablesAllowance	691000	usd
CY2020Q1	us-gaap	Ceded Premiums Written CededPremiumsWritten	72100000	usd
CY2024Q3	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	44200000	usd
CY2023Q4	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	49800000	usd
CY2024Q3	hg	Liability For Claims And Claims Adjustment Expense Amortization Of Deferred Gain LiabilityForClaimsAndClaimsAdjustmentExpenseAmortizationOfDeferredGain	-600000	usd
CY2023Q3	hg	Liability For Claims And Claims Adjustment Expense Amortization Of Deferred Gain LiabilityForClaimsAndClaimsAdjustmentExpenseAmortizationOfDeferredGain	-900000	usd
	hg	Liability For Claims And Claims Adjustment Expense Amortization Of Deferred Gain LiabilityForClaimsAndClaimsAdjustmentExpenseAmortizationOfDeferredGain	1300000	usd
	hg	Liability For Claims And Claims Adjustment Expense Amortization Of Deferred Gain LiabilityForClaimsAndClaimsAdjustmentExpenseAmortizationOfDeferredGain	2500000	usd
	us-gaap	Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense	<div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The following table presents a reconciliation of unpaid losses and loss adjustment expenses ("LAE") for the nine months ended September 30, 2024 and 2023:</span></div><div><span><br/></span></div><div><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:71.268%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.788%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.384%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:12.060%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">Nine Months Ended</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">September 30,</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><div style="margin-bottom:32pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-style:italic;font-weight:400;line-height:100%">($ in thousands)</span></div></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2024</span></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%">2023</span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:justify;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Gross unpaid losses and loss adjustment expenses, beginning of period</span></td><td style="border-top:1pt solid #000;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%">$</span></td><td style="border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3,030,037 </span></td><td style="border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="padding:0 1pt"></td><td style="border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="border-top:1pt solid #000;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%">2,856,275 </span></td><td style="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%">Reinsurance recoverable on unpaid losses</span></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%">1,161,077 </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="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%">1,177,863 </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 7.75pt;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 unpaid losses and loss adjustment expenses, beginning of period</span></td><td colspan="2" style="background-color:#ffffff;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%">1,868,960 </span></td><td style="background-color:#ffffff;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="2" style="background-color:#ffffff;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%">1,678,412 </span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><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;padding:0 1pt"></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%">Net losses and loss adjustment expenses incurred in respect of losses occurring in:</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></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%">Current year</span></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%">726,602 </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="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%">528,457 </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%">Prior years</span></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%">(6,124)</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="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%">(8,903)</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 7.75pt;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 incurred</span></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%">720,478 </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="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%">519,554 </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 style="height:15pt"><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;padding:0 1pt"></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 losses and loss adjustment expenses paid in respect of losses occurring in:</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></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%">Current year</span></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%">24,850 </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="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%">28,521 </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%">Prior years</span></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%">344,992 </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="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%">397,407 </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 7.75pt;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 paid</span></td><td colspan="2" style="background-color:#ffffff;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%">369,842 </span></td><td style="background-color:#ffffff;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="2" style="background-color:#ffffff;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%">425,928 </span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td></tr><tr style="height:15pt"><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;padding:0 1pt"></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></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></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></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></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%">Foreign currency revaluation and other</span></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%">24,739 </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="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%">19,661 </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 unpaid losses and loss adjustment expenses, end of period</span></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%">2,244,335 </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="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%">1,791,699 </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%">Reinsurance recoverable on unpaid losses </span></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%">1,190,465 </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="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%">1,157,123 </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%">Gross unpaid losses and loss adjustment expenses, end of period</span></td><td style="background-color:#cceeff;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%">$</span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">3,434,800 </span></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"></td><td style="background-color:#cceeff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;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%">2,948,822 </span></td><td style="background-color:#cceeff;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>
CY2023Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	3030037000	usd
CY2022Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	2856275000	usd
CY2023Q4	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	1161077000	usd
CY2022Q4	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	1177863000	usd
CY2023Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	1868960000	usd
CY2022Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	1678412000	usd
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	726602000	usd
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	528457000	usd
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-6124000	usd
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-8903000	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	720478000	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	519554000	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	24850000	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	28521000	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	344992000	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	397407000	usd
	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	369842000	usd
	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	425928000	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Foreign Currency Translation Gain Loss LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseForeignCurrencyTranslationGainLoss	24739000	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Foreign Currency Translation Gain Loss LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseForeignCurrencyTranslationGainLoss	19661000	usd
CY2024Q3	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	2244335000	usd
CY2023Q3	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	1791699000	usd
CY2024Q3	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	1190465000	usd
CY2023Q3	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	1157123000	usd
CY2024Q3	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	3434800000	usd
CY2023Q3	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	2948822000	usd
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-6100000	usd
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-8900000	usd
CY2024Q3	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	102200000	usd
CY2023Q3	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	78500000	usd
	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	283100000	usd
	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	220500000	usd
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2024Q3	us-gaap	Premiums Written Gross PremiumsWrittenGross	553401000	usd
CY2024Q3	us-gaap	Premiums Written Net PremiumsWrittenNet	477896000	usd
CY2024Q3	us-gaap	Premiums Earned Net PremiumsEarnedNet	448795000	usd
CY2024Q3	us-gaap	Insurance Agency Management Fee InsuranceAgencyManagementFee	4464000	usd
CY2024Q3	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	273632000	usd
CY2024Q3	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	102201000	usd
CY2024Q3	us-gaap	Other Underwriting Expense OtherUnderwritingExpense	48332000	usd
CY2024Q3	hg	Underwriting Income Loss Net UnderwritingIncomeLossNet	29094000	usd
CY2024Q3	us-gaap	Gain Loss On Investments GainLossOnInvestments	48228000	usd
CY2024Q3	us-gaap	Investment Income Net InvestmentIncomeNet	17330000	usd
CY2024Q3	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-5973000	usd
CY2024Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	14060000	usd
CY2024Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	5204000	usd
CY2024Q3	us-gaap	Interest Expense InterestExpense	5351000	usd
CY2024Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	64064000	usd
CY2024Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3029000	usd
CY2024Q3	us-gaap	Profit Loss ProfitLoss	61035000	usd
CY2024Q3	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	-17215000	usd
CY2024Q3	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	78250000	usd
CY2024Q3	hg	Attritional Loss Ratio Current Year AttritionalLossRatioCurrentYear	0.532
CY2024Q3	hg	Attritional Loss Ratio Prior Year Development AttritionalLossRatioPriorYearDevelopment	-0.007
CY2024Q3	hg	Catastrophe Loss Ratio Current Year CatastropheLossRatioCurrentYear	0.115
CY2024Q3	hg	Catastrophe Loss Ratio Prior Year Development CatastropheLossRatioPriorYearDevelopment	-0.030
CY2024Q3	us-gaap	Loss Ratio LossRatio	0.610
CY2024Q3	us-gaap	Acquisition Cost Ratio AcquisitionCostRatio	0.228
CY2024Q3	us-gaap	Underwriting Expense Ratio UnderwritingExpenseRatio	0.098
CY2024Q3	us-gaap	Combined Ratio CombinedRatio	0.936
CY2023Q3	us-gaap	Premiums Written Gross PremiumsWrittenGross	474123000	usd
CY2023Q3	us-gaap	Premiums Written Net PremiumsWrittenNet	383566000	usd
CY2023Q3	us-gaap	Premiums Earned Net PremiumsEarnedNet	337036000	usd
CY2023Q3	us-gaap	Insurance Agency Management Fee InsuranceAgencyManagementFee	2301000	usd
CY2023Q3	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	191577000	usd
CY2023Q3	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	78537000	usd
CY2023Q3	us-gaap	Other Underwriting Expense OtherUnderwritingExpense	44357000	usd
CY2023Q3	hg	Underwriting Income Loss Net UnderwritingIncomeLossNet	24866000	usd
CY2023Q3	us-gaap	Gain Loss On Investments GainLossOnInvestments	47343000	usd
CY2023Q3	us-gaap	Investment Income Net InvestmentIncomeNet	8069000	usd
CY2023Q3	hg	Other Income Loss Excluding Third Party Fee Income OtherIncomeLossExcludingThirdPartyFeeIncome	85000	usd
CY2023Q3	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	1432000	usd
CY2023Q3	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	18678000	usd
CY2023Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2794000	usd
CY2023Q3	us-gaap	Interest Expense InterestExpense	5288000	usd
CY2023Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	55035000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2387000	usd
CY2023Q3	us-gaap	Profit Loss ProfitLoss	52648000	usd
CY2023Q3	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	9065000	usd
CY2023Q3	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	43583000	usd
CY2023Q3	hg	Attritional Loss Ratio Current Year AttritionalLossRatioCurrentYear	0.548
CY2023Q3	hg	Attritional Loss Ratio Prior Year Development AttritionalLossRatioPriorYearDevelopment	-0.001
CY2023Q3	hg	Catastrophe Loss Ratio Current Year CatastropheLossRatioCurrentYear	0.039
CY2023Q3	hg	Catastrophe Loss Ratio Prior Year Development CatastropheLossRatioPriorYearDevelopment	-0.018
CY2023Q3	us-gaap	Loss Ratio LossRatio	0.568
CY2023Q3	us-gaap	Acquisition Cost Ratio AcquisitionCostRatio	0.233
CY2023Q3	us-gaap	Underwriting Expense Ratio UnderwritingExpenseRatio	0.125
CY2023Q3	us-gaap	Combined Ratio CombinedRatio	0.926
	us-gaap	Premiums Written Gross PremiumsWrittenGross	1878645000	usd
	us-gaap	Premiums Written Net PremiumsWrittenNet	1467843000	usd
	us-gaap	Premiums Earned Net PremiumsEarnedNet	1252862000	usd
	us-gaap	Insurance Agency Management Fee InsuranceAgencyManagementFee	17934000	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	720478000	usd
	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	283059000	usd
	us-gaap	Other Underwriting Expense OtherUnderwritingExpense	140339000	usd
	hg	Underwriting Income Loss Net UnderwritingIncomeLossNet	126920000	usd
	us-gaap	Gain Loss On Investments GainLossOnInvestments	454851000	usd
	us-gaap	Investment Income Net InvestmentIncomeNet	43667000	usd
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-9883000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	41825000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	11773000	usd
	us-gaap	Interest Expense InterestExpense	17090000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	544867000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6118000	usd
	us-gaap	Profit Loss ProfitLoss	538749000	usd
	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	172240000	usd
	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	366509000	usd
	hg	Attritional Loss Ratio Current Year AttritionalLossRatioCurrentYear	0.539
	hg	Attritional Loss Ratio Prior Year Development AttritionalLossRatioPriorYearDevelopment	0.006
	hg	Catastrophe Loss Ratio Current Year CatastropheLossRatioCurrentYear	0.041
	hg	Catastrophe Loss Ratio Prior Year Development CatastropheLossRatioPriorYearDevelopment	-0.011
	us-gaap	Loss Ratio LossRatio	0.575
	us-gaap	Acquisition Cost Ratio AcquisitionCostRatio	0.226
	us-gaap	Underwriting Expense Ratio UnderwritingExpenseRatio	0.098
	us-gaap	Combined Ratio CombinedRatio	0.899
	us-gaap	Premiums Written Gross PremiumsWrittenGross	1517247000	usd
	us-gaap	Premiums Written Net PremiumsWrittenNet	1116772000	usd
	us-gaap	Premiums Earned Net PremiumsEarnedNet	952398000	usd
	us-gaap	Insurance Agency Management Fee InsuranceAgencyManagementFee	7753000	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	519554000	usd
	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	220532000	usd
	us-gaap	Other Underwriting Expense OtherUnderwritingExpense	126242000	usd
	hg	Underwriting Income Loss Net UnderwritingIncomeLossNet	93823000	usd
	us-gaap	Gain Loss On Investments GainLossOnInvestments	101881000	usd
	us-gaap	Investment Income Net InvestmentIncomeNet	17719000	usd
	hg	Other Income Loss Excluding Third Party Fee Income OtherIncomeLossExcludingThirdPartyFeeIncome	85000	usd
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-3953000	usd
	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	31833000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	7869000	usd
	us-gaap	Interest Expense InterestExpense	16007000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	153846000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6908000	usd
	us-gaap	Profit Loss ProfitLoss	146938000	usd
	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	15076000	usd
	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	131862000	usd
	hg	Attritional Loss Ratio Current Year AttritionalLossRatioCurrentYear	0.518
	hg	Attritional Loss Ratio Prior Year Development AttritionalLossRatioPriorYearDevelopment	-0.004
	hg	Catastrophe Loss Ratio Current Year CatastropheLossRatioCurrentYear	0.037
	hg	Catastrophe Loss Ratio Prior Year Development CatastropheLossRatioPriorYearDevelopment	-0.005
	us-gaap	Loss Ratio LossRatio	0.546
	us-gaap	Acquisition Cost Ratio AcquisitionCostRatio	0.232
	us-gaap	Underwriting Expense Ratio UnderwritingExpenseRatio	0.124
	us-gaap	Combined Ratio CombinedRatio	0.902
CY2024Q3	us-gaap	Premiums Written Gross PremiumsWrittenGross	553401000	usd
CY2023Q3	us-gaap	Premiums Written Gross PremiumsWrittenGross	474123000	usd
	us-gaap	Premiums Written Gross PremiumsWrittenGross	1878645000	usd
	us-gaap	Premiums Written Gross PremiumsWrittenGross	1517247000	usd
CY2024Q3	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	995000000	usd
CY2024Q3	us-gaap	Line Of Credit LineOfCredit	746786000	usd
CY2024Q3	us-gaap	Interest Expense InterestExpense	5400000	usd
CY2023Q3	us-gaap	Interest Expense InterestExpense	5300000	usd
	us-gaap	Interest Expense InterestExpense	17100000	usd
	us-gaap	Interest Expense InterestExpense	16000000.0	usd
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2024Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
CY2024Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
CY2024Q3	us-gaap	Common Stock Value CommonStockValue	1014000	usd
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	1101000	usd
CY2024Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
CY2024Q3	hg	Common Stock Shares Authorized Conversion Of Convertible Securities CommonStockSharesAuthorizedConversionOfConvertibleSecurities	0	shares
CY2024Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
CY2023Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	135000000	shares
CY2023Q3	hg	Common Stock Shares Authorized Increase Decrease CommonStockSharesAuthorizedIncreaseDecrease	15000000	shares
CY2023Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
	hg	Common Stock Shares Authorized Conversion Of Convertible Securities CommonStockSharesAuthorizedConversionOfConvertibleSecurities	0	shares
CY2024Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	135000000	shares
	hg	Common Stock Shares Authorized Increase Decrease CommonStockSharesAuthorizedIncreaseDecrease	15000000	shares
CY2023Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
CY2024Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	101922771	shares
CY2024Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	101922771	shares
CY2024Q3	us-gaap	Stock Issued During Period Shares Conversion Of Convertible Securities StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities	0	shares
CY2024Q3	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	530049	shares
CY2024Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	101392722	shares
CY2024Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	101392722	shares
CY2023Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	103683894	shares
CY2023Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	103683894	shares
CY2023Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	20112	shares
CY2023Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	103704006	shares
CY2023Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	103704006	shares
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	110225103	shares
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	110225103	shares
	us-gaap	Stock Issued During Period Shares Conversion Of Convertible Securities StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities	0	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	761261	shares
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	245779	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	20383	shares
	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	9859804	shares
CY2024Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	101392722	shares
CY2024Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	101392722	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	103087859	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	103087859	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	735013	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	44892	shares
	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	163758	shares
CY2023Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	103704006	shares
CY2023Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	103704006	shares
CY2024Q3	srt	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	150000000	usd
CY2024Q3	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	140000000	usd
CY2024Q3	hg	Common Stock Voting Rights Class A And Class B Limitation As A Percent CommonStockVotingRightsClassAAndClassBLimitationAsAPercent	0.095
CY2024Q3	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	78250000	usd
CY2023Q3	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	43583000	usd
	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	366509000	usd
	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	131862000	usd
CY2024Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	101934000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	103704000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	106240000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	103711000	shares
CY2024Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	4425000	shares
CY2023Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1720000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	3986000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1260000	shares
CY2024Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	106359000	shares
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	105424000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	110226000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	104971000	shares
CY2024Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.77
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.42
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.45
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.27
CY2024Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.74
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.41
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.33
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.26
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2024Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2023Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2024Q3	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2024Q3	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2024Q3	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false

Files In Submission

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Hamilton Insurance Group Ltd Stock $hg

2024 Q4 Form 10-Q Financial Statement

#000159327524000112 Filed on November 07, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HG Hamilton Insurance Group Ltd Stock $hg

2024 Q4 Form 10-Q Financial Statement

#000159327524000112 Filed on November 07, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$HG
Hamilton Insurance Group Ltd Stock $hg