$SPNT
SiriusPoint Ltd Stock $spnt

$spnt Overview Financials Valuation SEC Filings Company Website

2022 Q4 Form 10-Q Financial Statement

#000157601822000123 Filed on November 02, 2022

Income Statement

Concept	2022 Q4	2022 Q3
Revenue	$673.6M	$597.5M
YoY Change	69.25%	-18.44%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$3.800M	$3.600M
YoY Change	11.76%	2.86%
% of Gross Profit
Operating Expenses	$644.2M	$732.4M
YoY Change	13.06%	-8.38%
Operating Profit
YoY Change
Interest Expense	-$72.00M	$9.400M
YoY Change	-850.0%	-3.09%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	-$42.60M	-$92.70M
YoY Change	-72.32%	53.48%
Income Tax	-$19.60M	$900.0K
% Of Pretax Income
Net Earnings	-$26.60M	-$94.40M
YoY Change	-80.48%	114.55%
Net Earnings / Revenue	-3.95%	-15.8%
Basic Earnings Per Share		-$0.61
Diluted Earnings Per Share	-$0.17	-$0.61
COMMON SHARES
Basic Shares Outstanding	162.2M shares	162.3M shares
Diluted Shares Outstanding		160.3M shares

Balance Sheet

Concept	2022 Q4	2022 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$705.3M	$647.3M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$18.50M
YoY Change	-92.6%
LONG-TERM ASSETS
Property, Plant & Equipment	$25.90M	$19.80M
YoY Change	-5.47%	35.62%
Goodwill
YoY Change
Intangibles	$163.8M	$165.9M
YoY Change	-4.71%	-4.49%
Long-Term Investments	$5.654B	$5.738B
YoY Change	24.81%	13.1%
Other Assets	$408.7M	$362.7M
YoY Change	-63.85%	-78.37%
Total Long-Term Assets	$11.02B
YoY Change	6.26%
TOTAL ASSETS
Total Short-Term Assets	$18.50M
Total Long-Term Assets	$11.02B
Total Assets	$11.04B	$11.00B
YoY Change	3.94%	2.64%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$236.3M	$221.2M
YoY Change	19.77%	65.07%
Accrued Expenses	$30.30M	$24.60M
YoY Change	-6.77%	22.39%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$266.6M	$262.4M
YoY Change	12.82%	60.29%
LONG-TERM LIABILITIES
Long-Term Debt	$778.0M	$762.0M
YoY Change	-4.74%	-7.86%
Other Long-Term Liabilities	$200.9M	$187.8M
YoY Change	-15.77%	-27.04%
Total Long-Term Liabilities	$978.9M	$949.8M
YoY Change	-7.23%	-12.41%
TOTAL LIABILITIES
Total Short-Term Liabilities	$266.6M	$262.4M
Total Long-Term Liabilities	$978.9M	$949.8M
Total Liabilities	$8.954B	$8.905B
YoY Change	10.34%	10.25%
SHAREHOLDERS EQUITY
Retained Earnings	$262.2M	$288.8M
YoY Change	-60.57%	-62.39%
Common Stock	$16.20M	$16.20M
YoY Change	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.075B	$2.085B
YoY Change
Total Liabilities & Shareholders Equity	$11.04B	$11.00B
YoY Change	3.94%	2.64%

Cashflow Statement

Concept	2022 Q4	2022 Q3
OPERATING ACTIVITIES
Net Income	-$26.60M	-$94.40M
YoY Change	-80.48%	114.55%
Depreciation, Depletion And Amortization	$3.800M	$3.600M
YoY Change	11.76%	2.86%
Cash From Operating Activities	$68.00M	$180.1M
YoY Change	-372.0%	1168.31%
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities	$59.60M	-$758.5M
YoY Change	-129.59%	84.73%
Cash From Investing Activities	$59.60M	-$758.5M
YoY Change	-129.59%	84.73%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-5.400M	-7.300M
YoY Change	-37.93%	2.82%
NET CHANGE
Cash From Operating Activities	68.00M	180.1M
Cash From Investing Activities	59.60M	-758.5M
Cash From Financing Activities	-5.400M	-7.300M
Net Change In Cash	122.2M	-585.7M
YoY Change	-151.98%	45.15%
FREE CASH FLOW
Cash From Operating Activities	$68.00M	$180.1M
Capital Expenditures
Free Cash Flow
YoY Change

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0001576018
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Amendment Flag AmendmentFlag	false
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CY2022Q3	spnt	Other Short Term Investments Cost OtherShortTermInvestmentsCost	2009900000	usd
CY2021Q4	spnt	Other Short Term Investments Cost OtherShortTermInvestmentsCost	1076000000	usd
CY2022Q3	spnt	Other Long Term Investments Cost OtherLongTermInvestmentsCost	407800000	usd
CY2021Q4	spnt	Other Long Term Investments Cost OtherLongTermInvestmentsCost	443000000.0	usd
	dei	Entity File Number EntityFileNumber	001-36052
	dei	Entity Registrant Name EntityRegistrantName	SIRIUSPOINT LTD.
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	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2022-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	D0
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	98-1599372
	dei	Entity Address Address Line1 EntityAddressAddressLine1	Point Building
	dei	Entity Address Address Line2 EntityAddressAddressLine2	3 Waterloo Lane
	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	542-3300
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
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	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	16500000	usd
CY2022Q3	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	690200000	usd
CY2021Q3	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	793000000.0	usd
	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	1812100000	usd
	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	1583700000	usd
CY2022Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-92700000	usd
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-60400000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-380100000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	199000000.0	usd
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	900000	usd
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-13000000.0	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-17100000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6400000	usd
CY2022Q3	us-gaap	Profit Loss ProfitLoss	-93600000	usd
CY2021Q3	us-gaap	Profit Loss ProfitLoss	-47400000	usd
	us-gaap	Profit Loss ProfitLoss	-363000000.0	usd
	us-gaap	Profit Loss ProfitLoss	192600000	usd
CY2022Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	800000	usd
CY2021Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-3400000	usd
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1200000	usd
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-1800000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	-94400000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	-44000000.0	usd
	us-gaap	Net Income Loss NetIncomeLoss	-364200000	usd
	us-gaap	Net Income Loss NetIncomeLoss	194400000	usd
CY2022Q3	us-gaap	Dividends Dividends	4000000.0	usd
CY2021Q3	us-gaap	Dividends Dividends	4000000.0	usd
	us-gaap	Dividends Dividends	12000000.0	usd
	us-gaap	Dividends Dividends	9500000	usd
CY2022Q3	us-gaap	Undistributed Earnings UndistributedEarnings	-98400000	usd
CY2022Q3	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	-98400000	usd
CY2021Q3	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	-48000000.0	usd
CY2021Q3	us-gaap	Undistributed Earnings UndistributedEarnings	-48000000.0	usd
	us-gaap	Undistributed Earnings UndistributedEarnings	-376200000	usd
	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	-376200000	usd
	us-gaap	Undistributed Earnings UndistributedEarnings	184900000	usd
	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	184900000	usd
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.61
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.30
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.35
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.18
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.61
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.34
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.35
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.17
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	160321270	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	159225772	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	160150911	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	145095270	shares
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	160321270	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	160240888	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	160150911	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	147597964	shares
CY2022Q3	us-gaap	Profit Loss ProfitLoss	-93600000	usd
CY2021Q3	us-gaap	Profit Loss ProfitLoss	-47400000	usd
	us-gaap	Profit Loss ProfitLoss	-363000000.0	usd
	us-gaap	Profit Loss ProfitLoss	192600000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-3600000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-1800000	usd
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-4000000.0	usd
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-300000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-39700000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	0	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-49500000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	0	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-43300000	usd
CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-1800000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-53500000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-300000	usd
CY2022Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-136900000	usd
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-49200000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	22200000	usd
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-416500000	usd
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	192300000	usd
CY2022Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	800000	usd
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-3400000	usd
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1200000	usd
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-1800000	usd
CY2022Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-137700000	usd
CY2021Q3	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-45800000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-417700000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	194100000	usd
CY2022Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2092800000	usd
CY2021Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2638000000	usd
CY2022Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2092800000	usd
CY2021Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2638000000	usd
	us-gaap	Profit Loss ProfitLoss	-363000000.0	usd
	us-gaap	Profit Loss ProfitLoss	192600000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	17000000.0	usd
	us-gaap	Interest Expense Domestic Deposit Liabilities InterestExpenseDomesticDepositLiabilities	400000	usd
	us-gaap	Interest Expense Domestic Deposit Liabilities InterestExpenseDomesticDepositLiabilities	3900000	usd
	spnt	Realized And Unrealized Gain Loss On Investments And Derivatives RealizedAndUnrealizedGainLossOnInvestmentsAndDerivatives	-205300000	usd
	spnt	Realized And Unrealized Gain Loss On Investments And Derivatives RealizedAndUnrealizedGainLossOnInvestmentsAndDerivatives	52900000	usd
	spnt	Gain Loss On Investments Related Party GainLossOnInvestmentsRelatedParty	-199800000	usd
	spnt	Gain Loss On Investments Related Party GainLossOnInvestmentsRelatedParty	401200000	usd
	spnt	Other Revenue Noncash OtherRevenueNoncash	39000000.0	usd
	spnt	Other Revenue Noncash OtherRevenueNoncash	84600000	usd
	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	0	usd
	us-gaap	Gain Loss On Sale Of Business GainLossOnSaleOfBusiness	5800000	usd
	spnt	Accretion Amortization Of Discounts And Premiums AccretionAmortizationOfDiscountsAndPremiums	1700000	usd
	spnt	Accretion Amortization Of Discounts And Premiums AccretionAmortizationOfDiscountsAndPremiums	-9400000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6000000.0	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4100000	usd
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	4100000	usd
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	4500000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	54000000.0	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	16500000	usd
	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	242400000	usd
	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	-27400000	usd
	spnt	Increase Decrease In Deferred Policy Acquisition Costs And Present Value Of Future Insurance Profits IncreaseDecreaseInDeferredPolicyAcquisitionCostsAndPresentValueOfFutureInsuranceProfits	59800000	usd
	spnt	Increase Decrease In Deferred Policy Acquisition Costs And Present Value Of Future Insurance Profits IncreaseDecreaseInDeferredPolicyAcquisitionCostsAndPresentValueOfFutureInsuranceProfits	3700000	usd
	us-gaap	Increase Decrease In Prepaid Reinsurance Premiums IncreaseDecreaseInPrepaidReinsurancePremiums	136300000	usd
	us-gaap	Increase Decrease In Prepaid Reinsurance Premiums IncreaseDecreaseInPrepaidReinsurancePremiums	38800000	usd
	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	93900000	usd
	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	368400000	usd
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	44100000	usd
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	200000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	4700000	usd
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-63600000	usd
	us-gaap	Increase Decrease In Interest And Dividends Receivable IncreaseDecreaseInInterestAndDividendsReceivable	8700000	usd
	us-gaap	Increase Decrease In Interest And Dividends Receivable IncreaseDecreaseInInterestAndDividendsReceivable	-300000	usd
CY2022Q3	us-gaap	Due From Affiliates DueFromAffiliates	224600000	usd
	us-gaap	Increase Decrease In Liability For Claims And Claims Adjustment Expense Reserve IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve	359100000	usd
	us-gaap	Increase Decrease In Liability For Claims And Claims Adjustment Expense Reserve IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve	626100000	usd
	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	374400000	usd
	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	30600000	usd
	us-gaap	Increase Decrease In Reinsurance Payables IncreaseDecreaseInReinsurancePayables	105600000	usd
	us-gaap	Increase Decrease In Reinsurance Payables IncreaseDecreaseInReinsurancePayables	130100000	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	16000000.0	usd
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-110900000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	245300000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	26600000	usd
	spnt	Proceeds From Redemptions From Related Party Investment Funds ProceedsFromRedemptionsFromRelatedPartyInvestmentFunds	654800000	usd
	spnt	Proceeds From Redemptions From Related Party Investment Funds ProceedsFromRedemptionsFromRelatedPartyInvestmentFunds	0	usd
	spnt	Payments For Contributions To Related Party Investment Funds PaymentsForContributionsToRelatedPartyInvestmentFunds	4000000.0	usd
	spnt	Payments For Contributions To Related Party Investment Funds PaymentsForContributionsToRelatedPartyInvestmentFunds	0	usd
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	4648500000	usd
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	2282900000	usd
	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	2628000000	usd
	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	1995000000	usd
	spnt	Proceeds From Payments For Broker Dealer Related Receivables And Payables Net Investing Activities ProceedsFromPaymentsForBrokerDealerRelatedReceivablesAndPayablesNetInvestingActivities	5800000	usd
	spnt	Proceeds From Payments For Broker Dealer Related Receivables And Payables Net Investing Activities ProceedsFromPaymentsForBrokerDealerRelatedReceivablesAndPayablesNetInvestingActivities	45500000	usd
	spnt	Proceeds From Acquisition Net ProceedsFromAcquisitionNet	0	usd
	spnt	Proceeds From Acquisition Net ProceedsFromAcquisitionNet	631900000	usd
	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	0	usd
	us-gaap	Proceeds From Divestiture Of Businesses Net Of Cash Divested ProceedsFromDivestitureOfBusinessesNetOfCashDivested	20500000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1363900000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	410000000.0	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	usd
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	50800000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	6900000	usd
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	300000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	5000000.0	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
CY2022Q3	us-gaap	Due To Affiliate Current And Noncurrent DueToAffiliateCurrentAndNoncurrent	100000	usd
	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	17500000	usd
	us-gaap	Proceeds From Payments For In Securities Sold Under Agreements To Repurchase ProceedsFromPaymentsForInSecuritiesSoldUnderAgreementsToRepurchase	0	usd
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	12000000.0	usd
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	8200000	usd
	spnt	Proceeds From Payments For Deposit Contracts Liabilities ProceedsFromPaymentsForDepositContractsLiabilities	-12700000	usd
	spnt	Proceeds From Payments For Deposit Contracts Liabilities ProceedsFromPaymentsForDepositContractsLiabilities	-9400000	usd
	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	800000	usd
	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	100000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-18300000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	33000000.0	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-1136900000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	469600000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1948400000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1713900000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Disposal Group Including Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations	20000000.0	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Disposal Group Including Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations	0	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	791500000	usd
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2183500000	usd
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	segment
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	2	segment
CY2022Q3	us-gaap	Premiums Written Gross PremiumsWrittenGross	843800000	usd
CY2022Q3	us-gaap	Premiums Written Net PremiumsWrittenNet	634400000	usd
CY2022Q3	us-gaap	Premiums Earned Net PremiumsEarnedNet	612600000	usd
CY2022Q3	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	497900000	usd
CY2022Q3	us-gaap	Deferred Policy Acquisition Costs And Present Value Of Future Profits Amortization1 DeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsAmortization1	116800000	usd
CY2022Q3	us-gaap	Other Underwriting Expense OtherUnderwritingExpense	44800000	usd
CY2022Q3	us-gaap	Underwriting Income Loss UnderwritingIncomeLoss	-46900000	usd
CY2022Q3	spnt	Segment Income Loss SegmentIncomeLoss	-46900000	usd
CY2022Q3	us-gaap	Gain Loss On Investments GainLossOnInvestments	-56100000	usd
CY2022Q3	spnt	Gain Loss On Investments Related Party GainLossOnInvestmentsRelatedParty	-8300000	usd
CY2022Q3	us-gaap	Net Investment Income NetInvestmentIncome	36200000	usd
CY2022Q3	us-gaap	Other Income OtherIncome	13100000	usd
CY2022Q3	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	70800000	usd
CY2022Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2100000	usd
CY2022Q3	us-gaap	Interest Expense InterestExpense	9400000	usd
CY2022Q3	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	51600000	usd
CY2022Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-92700000	usd
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	900000	usd
CY2022Q3	us-gaap	Profit Loss ProfitLoss	-93600000	usd
CY2022Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	800000	usd
CY2022Q3	us-gaap	Net Income Loss NetIncomeLoss	-94400000	usd
CY2022Q3	us-gaap	Loss Ratio LossRatio	0.813
CY2022Q3	us-gaap	Acquisition Cost Ratio AcquisitionCostRatio	0.191
CY2022Q3	us-gaap	Underwriting Expense Ratio UnderwritingExpenseRatio	0.073
CY2022Q3	us-gaap	Combined Ratio CombinedRatio	1.077
CY2021Q3	us-gaap	Premiums Written Gross PremiumsWrittenGross	641200000	usd
CY2021Q3	us-gaap	Premiums Written Net PremiumsWrittenNet	478800000	usd
CY2021Q3	us-gaap	Premiums Earned Net PremiumsEarnedNet	499600000	usd
CY2021Q3	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	577300000	usd
CY2021Q3	us-gaap	Deferred Policy Acquisition Costs And Present Value Of Future Profits Amortization1 DeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsAmortization1	106900000	usd
CY2021Q3	us-gaap	Other Underwriting Expense OtherUnderwritingExpense	53300000	usd
CY2021Q3	us-gaap	Underwriting Income Loss UnderwritingIncomeLoss	-237900000	usd
CY2021Q3	spnt	Segment Income Loss SegmentIncomeLoss	-237900000	usd
CY2021Q3	us-gaap	Gain Loss On Investments GainLossOnInvestments	-11700000	usd
CY2021Q3	spnt	Gain Loss On Investments Related Party GainLossOnInvestmentsRelatedParty	202400000	usd
	us-gaap	Premiums Written Net PremiumsWrittenNet	1971300000	usd
CY2021Q3	us-gaap	Net Investment Income NetInvestmentIncome	9100000	usd
CY2021Q3	us-gaap	Other Income OtherIncome	33200000	usd
CY2021Q3	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	59900000	usd
CY2021Q3	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2000000.0	usd
CY2021Q3	us-gaap	Interest Expense InterestExpense	9700000	usd
CY2021Q3	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	16100000	usd
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-60400000	usd
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-13000000.0	usd
CY2021Q3	us-gaap	Profit Loss ProfitLoss	-47400000	usd
CY2021Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-3400000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	-44000000.0	usd
CY2021Q3	us-gaap	Loss Ratio LossRatio	1.156
CY2021Q3	us-gaap	Acquisition Cost Ratio AcquisitionCostRatio	0.214
CY2021Q3	us-gaap	Underwriting Expense Ratio UnderwritingExpenseRatio	0.107
CY2021Q3	us-gaap	Combined Ratio CombinedRatio	1.477
	us-gaap	Premiums Written Gross PremiumsWrittenGross	2666100000	usd
	us-gaap	Profit Loss ProfitLoss	-363000000.0	usd
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1200000	usd
	us-gaap	Premiums Earned Net PremiumsEarnedNet	1710700000	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	1198300000	usd
	us-gaap	Deferred Policy Acquisition Costs And Present Value Of Future Profits Amortization1 DeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsAmortization1	348900000	usd
	us-gaap	Other Underwriting Expense OtherUnderwritingExpense	138100000	usd
	us-gaap	Underwriting Income Loss UnderwritingIncomeLoss	25400000	usd
	spnt	Segment Income Loss SegmentIncomeLoss	25400000	usd
	us-gaap	Gain Loss On Investments GainLossOnInvestments	-236400000	usd
	spnt	Gain Loss On Investments Related Party GainLossOnInvestmentsRelatedParty	-199800000	usd
	us-gaap	Net Investment Income NetInvestmentIncome	61400000	usd
	us-gaap	Other Income OtherIncome	96100000	usd
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	220200000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6000000.0	usd
	us-gaap	Interest Expense InterestExpense	28100000	usd
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	127500000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-380100000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-17100000	usd
	us-gaap	Net Income Loss NetIncomeLoss	-364200000	usd
	us-gaap	Loss Ratio LossRatio	0.700
	us-gaap	Acquisition Cost Ratio AcquisitionCostRatio	0.204
	us-gaap	Underwriting Expense Ratio UnderwritingExpenseRatio	0.081
	us-gaap	Combined Ratio CombinedRatio	0.985
	us-gaap	Premiums Written Gross PremiumsWrittenGross	1545700000	usd
	us-gaap	Premiums Written Net PremiumsWrittenNet	1223300000	usd
	us-gaap	Premiums Earned Net PremiumsEarnedNet	1197100000	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	975100000	usd
	us-gaap	Deferred Policy Acquisition Costs And Present Value Of Future Profits Amortization1 DeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsAmortization1	281500000	usd
	us-gaap	Other Underwriting Expense OtherUnderwritingExpense	120600000	usd
	us-gaap	Underwriting Income Loss UnderwritingIncomeLoss	-180100000	usd
	spnt	Segment Income Loss SegmentIncomeLoss	-180100000	usd
	us-gaap	Gain Loss On Investments GainLossOnInvestments	43700000	usd
	spnt	Gain Loss On Investments Related Party GainLossOnInvestmentsRelatedParty	401200000	usd
	us-gaap	Net Investment Income NetInvestmentIncome	18800000	usd
	us-gaap	Other Income OtherIncome	121900000	usd
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	194500000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4100000	usd
	us-gaap	Interest Expense InterestExpense	24400000	usd
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	16500000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	199000000.0	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6400000	usd
	us-gaap	Profit Loss ProfitLoss	192600000	usd
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-1800000	usd
	us-gaap	Net Income Loss NetIncomeLoss	194400000	usd
	us-gaap	Loss Ratio LossRatio	0.815
	us-gaap	Acquisition Cost Ratio AcquisitionCostRatio	0.235
	us-gaap	Underwriting Expense Ratio UnderwritingExpenseRatio	0.101
	us-gaap	Combined Ratio CombinedRatio	1.151
CY2022Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	647300000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	999800000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	791500000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1948400000	usd
CY2022Q3	us-gaap	Restricted Investments RestrictedInvestments	2076800000	usd
CY2021Q4	us-gaap	Restricted Investments RestrictedInvestments	1107000000	usd
CY2022Q3	spnt	Cash Cash Equivalents Restricted Cash Restricted Cash Equivalents And Restricted Investments CashCashEquivalentsRestrictedCashRestrictedCashEquivalentsAndRestrictedInvestments	2868300000	usd
CY2021Q4	spnt	Cash Cash Equivalents Restricted Cash Restricted Cash Equivalents And Restricted Investments CashCashEquivalentsRestrictedCashRestrictedCashEquivalentsAndRestrictedInvestments	3055400000	usd
CY2022Q3	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	5741100000	usd
CY2022Q3	us-gaap	Financial Instruments Sold Not Yet Purchased At Fair Value FinancialInstrumentsSoldNotYetPurchasedAtFairValue	41700000	usd
CY2022Q3	us-gaap	Securities Loaned Or Sold Under Agreements To Repurchase Fair Value Disclosure SecuritiesLoanedOrSoldUnderAgreementsToRepurchaseFairValueDisclosure	17300000	usd
CY2022Q3	us-gaap	Shares Subject To Mandatory Redemption Settlement Terms Amount SharesSubjectToMandatoryRedemptionSettlementTermsAmount	48900000	usd
CY2022Q3	us-gaap	Derivative Liabilities DerivativeLiabilities	1500000	usd
CY2022Q3	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	109400000	usd
CY2021Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	4530500000	usd
CY2021Q4	us-gaap	Shares Subject To Mandatory Redemption Settlement Terms Amount SharesSubjectToMandatoryRedemptionSettlementTermsAmount	87800000	usd
CY2021Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	3200000	usd
CY2021Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	91000000.0	usd
CY2022Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	318900000	usd
CY2022Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0	usd
CY2022Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	8900000	usd
CY2022Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	6900000	usd
CY2022Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	4200000	usd
CY2022Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	0	usd
CY2022Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	325100000	usd
CY2022Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	15700000	usd
CY2022Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet	0	usd
CY2022Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases	7800000	usd
CY2022Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales	0	usd
CY2022Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	-2300000	usd
CY2022Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Other Comprehensive Income FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome	0	usd
CY2022Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	25800000	usd
CY2021Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	340100000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	-40600000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	63500000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	35800000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	-2100000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss	0	usd
CY2022Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	325100000	usd
CY2021Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	60400000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet	0	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases	4700000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales	0	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	39300000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Other Comprehensive Income FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInOtherComprehensiveIncome	0	usd
CY2022Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	25800000	usd
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	376600000	usd
CY2021Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	-700000	usd
CY2021Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	22200000	usd
CY2021Q3	spnt	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Acquisition FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAcquisition	0	usd
CY2021Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	46200000	usd
CY2021Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	1500000	usd
CY2021Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	353400000	usd
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	104500000	usd
CY2021Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet	-700000	usd
CY2021Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases	100000	usd
CY2021Q3	spnt	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Acquisition FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAcquisition	0	usd
CY2021Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales	1900000	usd
CY2021Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	21900000	usd
CY2021Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	80100000	usd
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	5200000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	-1200000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	63700000	usd
	spnt	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Acquisition FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAcquisition	294900000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	52200000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	43000000.0	usd
CY2021Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	353400000	usd
CY2020Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	1000000.0	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet	-28200000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases	138000000.0	usd
	spnt	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Acquisition FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAcquisition	2700000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales	1900000	usd
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	31500000	usd
CY2021Q3	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	80100000	usd
CY2021Q4	us-gaap	Trading Securities Debt Amortized Cost TradingSecuritiesDebtAmortizedCost	2099300000	usd
CY2021Q4	spnt	Debt Securities Trading Accumulated Unrecognized Gain DebtSecuritiesTradingAccumulatedUnrecognizedGain	2700000	usd
CY2022Q3	us-gaap	Trading Securities Debt Amortized Cost TradingSecuritiesDebtAmortizedCost	1811500000	usd
CY2022Q3	spnt	Debt Securities Trading Accumulated Unrecognized Gain DebtSecuritiesTradingAccumulatedUnrecognizedGain	800000	usd
CY2022Q3	spnt	Debt Securities Trading Accumulated Unrecognized Loss DebtSecuritiesTradingAccumulatedUnrecognizedLoss	106300000	usd
CY2022Q3	spnt	Debt Securities Trading Accumulated Net Foreign Currency Gains Losses DebtSecuritiesTradingAccumulatedNetForeignCurrencyGainsLosses	-8900000	usd
CY2022Q3	us-gaap	Trading Securities Debt TradingSecuritiesDebt	1697100000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	1371800000	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	100000	usd
CY2022Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	45100000	usd
CY2022Q3	spnt	Debt Securities Available For Sale Accumulated Net Foreign Currency Gains Losses DebtSecuritiesAvailableForSaleAccumulatedNetForeignCurrencyGainsLosses	-2800000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1324000000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Allowance For Credit Loss Excluding Accrued Interest DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest	0	usd
CY2021Q4	spnt	Debt Securities Trading Accumulated Unrecognized Loss DebtSecuritiesTradingAccumulatedUnrecognizedLoss	15600000	usd
CY2021Q4	spnt	Debt Securities Trading Accumulated Net Foreign Currency Gains Losses DebtSecuritiesTradingAccumulatedNetForeignCurrencyGainsLosses	-800000	usd
CY2021Q4	us-gaap	Trading Securities Debt TradingSecuritiesDebt	2085600000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	0	usd
	spnt	Debt Securities Net Of Securities Sold Not Yet Purchased Weighted Average Duration DebtSecuritiesNetOfSecuritiesSoldNotYetPurchasedWeightedAverageDuration	P1Y3M18D
	spnt	Debt Securities Net Of Securities Sold Not Yet Purchased Excluding Short Term Investments Weighted Average Duration DebtSecuritiesNetOfSecuritiesSoldNotYetPurchasedExcludingShortTermInvestmentsWeightedAverageDuration	P2Y
CY2021	spnt	Debt Securities Net Of Securities Sold Not Yet Purchased Weighted Average Duration DebtSecuritiesNetOfSecuritiesSoldNotYetPurchasedWeightedAverageDuration	P1Y7M6D
CY2021	spnt	Debt Securities Net Of Securities Sold Not Yet Purchased Excluding Short Term Investments Weighted Average Duration DebtSecuritiesNetOfSecuritiesSoldNotYetPurchasedExcludingShortTermInvestmentsWeightedAverageDuration	P2Y3M18D
CY2022Q3	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling Within One Year Amortized Cost DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingWithinOneYearAmortizedCost	229300000	usd
CY2022Q3	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling Within One Year Fair Value DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingWithinOneYearFairValue	223500000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsAmortizedCostBasis	34900000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Next Rolling Twelve Months Fair Value AvailableForSaleSecuritiesDebtMaturitiesNextRollingTwelveMonthsFairValue	33600000	usd
CY2021Q4	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling Within One Year Amortized Cost DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingWithinOneYearAmortizedCost	145600000	usd
CY2021Q4	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling Within One Year Fair Value DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingWithinOneYearFairValue	145100000	usd
CY2022Q3	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After One Through Five Years Amortized Cost DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterOneThroughFiveYearsAmortizedCost	492600000	usd
CY2022Q3	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After One Through Five Years Fair Value DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterOneThroughFiveYearsFairValue	467500000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveAmortizedCostBasis	866300000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Two Through Five Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearTwoThroughFiveFairValue	841200000	usd
CY2021Q4	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After One Through Five Years Amortized Cost DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterOneThroughFiveYearsAmortizedCost	870400000	usd
CY2021Q4	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After One Through Five Years Fair Value DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterOneThroughFiveYearsFairValue	862400000	usd
CY2022Q3	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After Five Through Ten Years Amortized Cost DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterFiveThroughTenYearsAmortizedCost	68100000	usd
CY2022Q3	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After Five Through Ten Years Fair Value DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterFiveThroughTenYearsFairValue	58000000.0	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenAmortizedCostBasis	81700000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling Year Six Through Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingYearSixThroughTenFairValue	76000000.0	usd
CY2021Q4	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After Five Through Ten Years Amortized Cost DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterFiveThroughTenYearsAmortizedCost	69600000	usd
CY2021Q4	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After Five Through Ten Years Fair Value DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterFiveThroughTenYearsFairValue	68600000	usd
CY2022Q3	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After Ten Years Amortized Cost DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterTenYearsAmortizedCost	55400000	usd
CY2022Q3	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After Ten Years Fair Value DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterTenYearsFairValue	44600000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenAmortizedCostBasis	8800000	usd
CY2022Q3	us-gaap	Available For Sale Securities Debt Maturities Rolling After Year Ten Fair Value AvailableForSaleSecuritiesDebtMaturitiesRollingAfterYearTenFairValue	7800000	usd
CY2021Q4	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After Ten Years Amortized Cost DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterTenYearsAmortizedCost	43600000	usd
CY2021Q4	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After Ten Years Fair Value DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterTenYearsFairValue	44400000	usd
CY2022Q3	us-gaap	Trading Securities Debt Amortized Cost TradingSecuritiesDebtAmortizedCost	1811500000	usd
CY2022Q3	us-gaap	Trading Securities Debt TradingSecuritiesDebt	1697100000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest Before Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss	1371800000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1324000000	usd
CY2021Q4	us-gaap	Trading Securities Debt Amortized Cost TradingSecuritiesDebtAmortizedCost	2099300000	usd
CY2021Q4	us-gaap	Trading Securities Debt TradingSecuritiesDebt	2085600000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	0	usd
CY2022Q3	us-gaap	Trading Securities Debt TradingSecuritiesDebt	1697100000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	1324000000	usd
CY2021Q4	us-gaap	Trading Securities Debt TradingSecuritiesDebt	2085600000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	0	usd
CY2022Q3	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	1700000	usd
CY2022Q3	spnt	Equity Securities Fvni Accumulated Unrecognized Gain EquitySecuritiesFVNIAccumulatedUnrecognizedGain	0	usd
CY2022Q3	spnt	Equity Securities Fvni Accumulated Unrecognized Loss EquitySecuritiesFVNIAccumulatedUnrecognizedLoss	400000	usd
CY2022Q3	spnt	Equity Securities Fvni Accumulated Net Foreign Currency Gains Losses EquitySecuritiesFVNIAccumulatedNetForeignCurrencyGainsLosses	100000	usd
CY2022Q3	us-gaap	Equity Securities Fv Ni Current And Noncurrent EquitySecuritiesFvNiCurrentAndNoncurrent	1400000	usd
CY2022Q3	spnt	Other Long Term Investments Cost OtherLongTermInvestmentsCost	407800000	usd
CY2022Q3	spnt	Other Long Term Investments Accumulated Unrecognized Gain OtherLongTermInvestmentsAccumulatedUnrecognizedGain	29800000	usd
CY2022Q3	spnt	Other Long Term Investments Accumulated Unrecognized Loss OtherLongTermInvestmentsAccumulatedUnrecognizedLoss	25600000	usd
CY2022Q3	spnt	Other Long Term Investments Accumulated Net Foreign Currency Gains Losses OtherLongTermInvestmentsAccumulatedNetForeignCurrencyGainsLosses	2900000	usd
CY2022Q3	us-gaap	Other Long Term Investments OtherLongTermInvestments	414900000	usd
CY2021Q4	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	4500000	usd
CY2021Q4	spnt	Equity Securities Fvni Accumulated Unrecognized Gain EquitySecuritiesFVNIAccumulatedUnrecognizedGain	100000	usd
CY2021Q4	spnt	Equity Securities Fvni Accumulated Unrecognized Loss EquitySecuritiesFVNIAccumulatedUnrecognizedLoss	2000000.0	usd
CY2021Q4	spnt	Equity Securities Fvni Accumulated Net Foreign Currency Gains Losses EquitySecuritiesFVNIAccumulatedNetForeignCurrencyGainsLosses	200000	usd
CY2021Q4	us-gaap	Equity Securities Fv Ni Current And Noncurrent EquitySecuritiesFvNiCurrentAndNoncurrent	2800000	usd
CY2021Q4	spnt	Other Long Term Investments Cost OtherLongTermInvestmentsCost	443000000.0	usd
CY2021Q4	spnt	Other Long Term Investments Accumulated Unrecognized Gain OtherLongTermInvestmentsAccumulatedUnrecognizedGain	28900000	usd
CY2021Q4	spnt	Other Long Term Investments Accumulated Unrecognized Loss OtherLongTermInvestmentsAccumulatedUnrecognizedLoss	16800000	usd
CY2021Q4	spnt	Other Long Term Investments Accumulated Net Foreign Currency Gains Losses OtherLongTermInvestmentsAccumulatedNetForeignCurrencyGainsLosses	1000000.0	usd
CY2021Q4	us-gaap	Other Long Term Investments OtherLongTermInvestments	456100000	usd
CY2022Q3	us-gaap	Equity Securities Fv Ni Current And Noncurrent EquitySecuritiesFvNiCurrentAndNoncurrent	1400000	usd
CY2021Q4	us-gaap	Equity Securities Fv Ni Current And Noncurrent EquitySecuritiesFvNiCurrentAndNoncurrent	2800000	usd
CY2022Q3	us-gaap	Other Long Term Investments OtherLongTermInvestments	414900000	usd
CY2021Q4	us-gaap	Other Long Term Investments OtherLongTermInvestments	456100000	usd
CY2022Q3	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	6900000	usd
CY2021Q3	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	7800000	usd
	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	14500000	usd
	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	12300000	usd
CY2022Q3	spnt	Net Investment Income Loss And Gain Loss On Investments NetInvestmentIncomeLossAndGainLossOnInvestments	-28200000	usd
CY2021Q3	spnt	Net Investment Income Loss And Gain Loss On Investments NetInvestmentIncomeLossAndGainLossOnInvestments	199800000	usd
	spnt	Net Investment Income Loss And Gain Loss On Investments NetInvestmentIncomeLossAndGainLossOnInvestments	-374800000	usd
	spnt	Net Investment Income Loss And Gain Loss On Investments NetInvestmentIncomeLossAndGainLossOnInvestments	463700000	usd
CY2022Q3	spnt	Realized Investment Gains RealizedInvestmentGains	23600000	usd
CY2021Q3	spnt	Realized Investment Gains RealizedInvestmentGains	8300000	usd
	spnt	Realized Investment Gains RealizedInvestmentGains	47000000.0	usd
	spnt	Realized Investment Gains RealizedInvestmentGains	32800000	usd
CY2022Q3	spnt	Realized Investment Losses RealizedInvestmentLosses	45900000	usd
CY2021Q3	spnt	Realized Investment Losses RealizedInvestmentLosses	2600000	usd
	spnt	Realized Investment Losses RealizedInvestmentLosses	107100000	usd
	spnt	Realized Investment Losses RealizedInvestmentLosses	9800000	usd
CY2021Q3	us-gaap	Due From Affiliates DueFromAffiliates	65300000	usd
CY2022Q3	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-22300000	usd
CY2021Q3	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	5700000	usd
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-60100000	usd
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	23000000.0	usd
CY2022Q3	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-33800000	usd
CY2021Q3	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-17400000	usd
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-176300000	usd
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	20700000	usd
CY2022Q3	us-gaap	Gain Loss On Investments GainLossOnInvestments	-56100000	usd
CY2021Q3	us-gaap	Gain Loss On Investments GainLossOnInvestments	-11700000	usd
	us-gaap	Gain Loss On Investments GainLossOnInvestments	-236400000	usd
	us-gaap	Gain Loss On Investments GainLossOnInvestments	43700000	usd
CY2022Q3	spnt	Related Party Transaction Gain Loss On Investments RelatedPartyTransactionGainLossOnInvestments	200000	usd
	spnt	Related Party Transaction Gain Loss On Investments RelatedPartyTransactionGainLossOnInvestments	1000000	usd
CY2021Q3	spnt	Related Party Transaction Gain Loss On Investments RelatedPartyTransactionGainLossOnInvestments	5100000	usd
	spnt	Related Party Transaction Gain Loss On Investments RelatedPartyTransactionGainLossOnInvestments	49400000	usd
CY2022Q3	us-gaap	Debt Securities Trading Realized Gain Loss DebtSecuritiesTradingRealizedGainLoss	-29600000	usd
CY2021Q3	us-gaap	Debt Securities Trading Realized Gain Loss DebtSecuritiesTradingRealizedGainLoss	5300000	usd
	us-gaap	Debt Securities Trading Realized Gain Loss DebtSecuritiesTradingRealizedGainLoss	-51800000	usd
	us-gaap	Debt Securities Trading Realized Gain Loss DebtSecuritiesTradingRealizedGainLoss	13300000	usd
CY2022Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	1800000	usd
CY2021Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	0	usd
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	2000000.0	usd
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	0	usd
CY2022Q3	spnt	Gain Loss On Sale Of Other Short Term Investments GainLossOnSaleOfOtherShortTermInvestments	-400000	usd
CY2021Q3	spnt	Gain Loss On Sale Of Other Short Term Investments GainLossOnSaleOfOtherShortTermInvestments	-1600000	usd
	spnt	Gain Loss On Sale Of Other Short Term Investments GainLossOnSaleOfOtherShortTermInvestments	-500000	usd
	spnt	Gain Loss On Sale Of Other Short Term Investments GainLossOnSaleOfOtherShortTermInvestments	-1600000	usd
CY2022Q3	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	0	usd
CY2021Q3	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	0	usd
	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	-2300000	usd
	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	0	usd
CY2022Q3	spnt	Gain Loss On Sale Of Other Long Term Investments GainLossOnSaleOfOtherLongTermInvestments	5000000.0	usd
CY2021Q3	spnt	Gain Loss On Sale Of Other Long Term Investments GainLossOnSaleOfOtherLongTermInvestments	1200000	usd
	spnt	Gain Loss On Sale Of Other Long Term Investments GainLossOnSaleOfOtherLongTermInvestments	3200000	usd
	spnt	Gain Loss On Sale Of Other Long Term Investments GainLossOnSaleOfOtherLongTermInvestments	11800000	usd
CY2022Q3	spnt	Cash And Cash Equivalents Realized Gain Loss CashAndCashEquivalentsRealizedGainLoss	900000	usd
CY2021Q3	spnt	Cash And Cash Equivalents Realized Gain Loss CashAndCashEquivalentsRealizedGainLoss	800000	usd
	spnt	Cash And Cash Equivalents Realized Gain Loss CashAndCashEquivalentsRealizedGainLoss	-10700000	usd
	spnt	Cash And Cash Equivalents Realized Gain Loss CashAndCashEquivalentsRealizedGainLoss	-500000	usd
CY2022Q3	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-22300000	usd
CY2021Q3	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	5700000	usd
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-60100000	usd
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	23000000.0	usd
CY2022Q3	spnt	Realized Investment Gains Losses Foreign Currency RealizedInvestmentGainsLossesForeignCurrency	-22300000	usd
	spnt	Realized Investment Gains Losses Foreign Currency RealizedInvestmentGainsLossesForeignCurrency	-35000000.0	usd
CY2021Q3	spnt	Realized Investment Gains Losses Foreign Currency RealizedInvestmentGainsLossesForeignCurrency	2600000	usd
	spnt	Realized Investment Gains Losses Foreign Currency RealizedInvestmentGainsLossesForeignCurrency	1100000	usd
CY2022Q3	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	-7500000	usd
CY2021Q3	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	-15200000	usd
	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	-128600000	usd
	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	-23400000	usd
CY2022Q3	spnt	Other Short Term Investments Unrealized Gain Loss OtherShortTermInvestmentsUnrealizedGainLoss	-14300000	usd
CY2021Q3	spnt	Other Short Term Investments Unrealized Gain Loss OtherShortTermInvestmentsUnrealizedGainLoss	-6800000	usd
	spnt	Other Short Term Investments Unrealized Gain Loss OtherShortTermInvestmentsUnrealizedGainLoss	-18900000	usd
	spnt	Other Short Term Investments Unrealized Gain Loss OtherShortTermInvestmentsUnrealizedGainLoss	-6300000	usd
CY2022Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-100000	usd
CY2021Q3	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-1400000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	1700000	usd
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-1300000	usd
CY2022Q3	spnt	Other Long Term Investments Unrealized Gain Loss OtherLongTermInvestmentsUnrealizedGainLoss	-2300000	usd
CY2021Q3	spnt	Other Long Term Investments Unrealized Gain Loss OtherLongTermInvestmentsUnrealizedGainLoss	4900000	usd
	spnt	Other Long Term Investments Unrealized Gain Loss OtherLongTermInvestmentsUnrealizedGainLoss	-5100000	usd
	spnt	Other Long Term Investments Unrealized Gain Loss OtherLongTermInvestmentsUnrealizedGainLoss	54000000.0	usd
CY2022Q3	spnt	Cash And Cash Equivalents Unrealized Gain Loss CashAndCashEquivalentsUnrealizedGainLoss	-9600000	usd
CY2021Q3	spnt	Cash And Cash Equivalents Unrealized Gain Loss CashAndCashEquivalentsUnrealizedGainLoss	1100000	usd
	spnt	Cash And Cash Equivalents Unrealized Gain Loss CashAndCashEquivalentsUnrealizedGainLoss	-25400000	usd
	spnt	Cash And Cash Equivalents Unrealized Gain Loss CashAndCashEquivalentsUnrealizedGainLoss	-2400000	usd
CY2022Q3	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-33800000	usd
CY2021Q3	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-17400000	usd
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-176300000	usd
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	20700000	usd
CY2022Q3	spnt	Debt Securities Trading Unrealized Gain Loss Excluding Foreign Currency DebtSecuritiesTradingUnrealizedGainLossExcludingForeignCurrency	-1100000	usd
	spnt	Debt Securities Trading Unrealized Gain Loss Excluding Foreign Currency DebtSecuritiesTradingUnrealizedGainLossExcludingForeignCurrency	-105000000.0	usd
CY2021Q3	spnt	Debt Securities Trading Unrealized Gain Loss Excluding Foreign Currency DebtSecuritiesTradingUnrealizedGainLossExcludingForeignCurrency	-5500000	usd
	spnt	Debt Securities Trading Unrealized Gain Loss Excluding Foreign Currency DebtSecuritiesTradingUnrealizedGainLossExcludingForeignCurrency	-9300000	usd
CY2022Q3	spnt	Unrealized Gain Loss On Investments Foreign Currency UnrealizedGainLossOnInvestmentsForeignCurrency	-23300000	usd
	spnt	Unrealized Gain Loss On Investments Foreign Currency UnrealizedGainLossOnInvestmentsForeignCurrency	-51500000	usd
CY2021Q3	spnt	Unrealized Gain Loss On Investments Foreign Currency UnrealizedGainLossOnInvestmentsForeignCurrency	-11200000	usd
	spnt	Unrealized Gain Loss On Investments Foreign Currency UnrealizedGainLossOnInvestmentsForeignCurrency	-17400000	usd
CY2021Q4	us-gaap	Minority Interest MinorityInterest	-400000	usd
CY2020Q4	us-gaap	Minority Interest MinorityInterest	1400000	usd
CY2022Q3	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	0	usd
CY2022Q3	us-gaap	Other Long Term Investments OtherLongTermInvestments	414900000	usd
CY2021Q4	us-gaap	Other Long Term Investments OtherLongTermInvestments	456100000	usd
CY2022Q2	us-gaap	Minority Interest MinorityInterest	800000	usd
CY2021Q2	us-gaap	Minority Interest MinorityInterest	3300000	usd
CY2021Q3	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	0	usd
	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	800000	usd
	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	300000	usd
CY2022Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	800000	usd
CY2021Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-3400000	usd
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1200000	usd
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-1800000	usd
CY2022Q3	spnt	Noncontrolling Interest Increase Decrease From Contributions Redemptions NoncontrollingInterestIncreaseDecreaseFromContributionsRedemptions	0	usd
CY2021Q3	spnt	Noncontrolling Interest Increase Decrease From Contributions Redemptions NoncontrollingInterestIncreaseDecreaseFromContributionsRedemptions	100000	usd
	spnt	Noncontrolling Interest Increase Decrease From Contributions Redemptions NoncontrollingInterestIncreaseDecreaseFromContributionsRedemptions	0	usd
	spnt	Noncontrolling Interest Increase Decrease From Contributions Redemptions NoncontrollingInterestIncreaseDecreaseFromContributionsRedemptions	100000	usd
CY2022Q3	spnt	Noncontrolling Interest Increase Decrease From Derecognition NoncontrollingInterestIncreaseDecreaseFromDerecognition	6700000	usd
CY2021Q3	spnt	Noncontrolling Interest Increase Decrease From Derecognition NoncontrollingInterestIncreaseDecreaseFromDerecognition	0	usd
	spnt	Noncontrolling Interest Increase Decrease From Derecognition NoncontrollingInterestIncreaseDecreaseFromDerecognition	6700000	usd
	spnt	Noncontrolling Interest Increase Decrease From Derecognition NoncontrollingInterestIncreaseDecreaseFromDerecognition	0	usd
CY2022Q3	us-gaap	Minority Interest MinorityInterest	8300000	usd
CY2021Q3	us-gaap	Minority Interest MinorityInterest	0	usd
CY2022Q3	us-gaap	Minority Interest MinorityInterest	8300000	usd
CY2021Q3	us-gaap	Minority Interest MinorityInterest	0	usd
	us-gaap	Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense	<div style="margin-top:9pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The following table represents the activity in the loss and loss adjustment expense reserves for the nine months ended September 30, 2022 and 2021:</span></div><div style="margin-top:5pt;text-align:center"><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 style="width:73.453%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.251%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.544%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:11.252%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">September 30, 2022</span></td><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">September 30, 2021</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Gross reserves for loss and loss adjustment expenses, beginning of period</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,841.4 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,310.1 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></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:9pt;font-weight:400;line-height:100%">Less: loss and loss adjustment expenses recoverable, beginning of period</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:9pt;font-weight:400;line-height:100%">(1,215.3)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><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:9pt;font-weight:400;line-height:100%">(14.4)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></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:9pt;font-weight:400;line-height:100%">Less: deferred charges on retroactive reinsurance contracts</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:9pt;font-weight:400;line-height:100%">(1.4)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><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:9pt;font-weight:400;line-height:100%">(6.0)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></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:9pt;font-weight:400;line-height:100%">Net reserves for loss 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:9pt;font-weight:400;line-height:100%">3,624.7 </span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><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:9pt;font-weight:400;line-height:100%">1,289.7 </span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></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:9pt;font-weight:400;line-height:100%">Increase (decrease) in net loss and loss adjustment expenses incurred in respect of losses occurring in:</span></td><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/></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:9pt;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:9pt;font-weight:400;line-height:100%">1,215.5 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><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:9pt;font-weight:400;line-height:100%">1,001.0 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></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:9pt;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:9pt;font-weight:400;line-height:100%">(17.2)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><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:9pt;font-weight:400;line-height:100%">(25.9)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></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:9pt;font-weight:400;line-height:100%">Total incurred loss and loss adjustment expenses</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:9pt;font-weight:400;line-height:100%">1,198.3 </span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><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:9pt;font-weight:400;line-height:100%">975.1 </span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></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:9pt;font-weight:400;line-height:100%">Net loss and loss adjustment expenses paid in respect of losses occurring in:</span></td><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="3" style="background-color:#cceeff;border-top:1pt solid #000000;padding:0 1pt"/></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:9pt;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:9pt;font-weight:400;line-height:100%">(180.4)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><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:9pt;font-weight:400;line-height:100%">(152.3)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></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:9pt;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:9pt;font-weight:400;line-height:100%">(616.1)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><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:9pt;font-weight:400;line-height:100%">(543.9)</span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></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:9pt;font-weight:400;line-height:100%">Total net paid losses</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:9pt;font-weight:400;line-height:100%">(796.5)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><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:9pt;font-weight:400;line-height:100%">(696.2)</span></td><td style="background-color:#ffffff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></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:9pt;font-weight:400;line-height:100%">Foreign currency translation</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:9pt;font-weight:400;line-height:100%">(136.3)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><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:9pt;font-weight:400;line-height:100%">(19.5)</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Amounts acquired as a result of Sirius Group acquisition </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(1)</span></div></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:9pt;font-weight:400;line-height:100%">— </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><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:9pt;font-weight:400;line-height:100%">2,467.8 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></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:9pt;font-weight:400;line-height:100%">Net reserves for loss and loss adjustment expenses, end of period</span></td><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">3,890.2 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td colspan="2" style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,016.9 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></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:9pt;font-weight:400;line-height:100%">Plus: loss and loss adjustment expenses recoverable, end of period</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:9pt;font-weight:400;line-height:100%">1,309.2 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><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:9pt;font-weight:400;line-height:100%">843.5 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">Plus: deferred charges on retroactive reinsurance contracts </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:5.85pt;font-weight:400;line-height:100%;position:relative;top:-3.15pt;vertical-align:baseline">(2)</span></div></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:9pt;font-weight:400;line-height:100%">1.1 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><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:9pt;font-weight:400;line-height:100%">1.9 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></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:9pt;font-weight:400;line-height:100%">Gross reserves for loss and loss adjustment expenses, end of period</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">5,200.5 </span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,862.3 </span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div><div style="margin-top:1pt;padding-left:13.5pt;text-align:justify;text-indent:-13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(1)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:120%;padding-left:4.18pt">Represents the fair value of Sirius Group’s reserves for claims and claim expenses, net of reinsurance recoverables, acquired at February 26, 2021. See Note 3 for additional information related to the acquisition of Sirius Group.</span></div><div style="margin-top:1pt;padding-left:13.5pt;text-align:justify;text-indent:-13.5pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:120%">(2)</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:400;line-height:120%;padding-left:4.18pt">Deferred charges on retroactive contracts are recorded in other assets on the Company’s consolidated balance sheets.</span></div>
CY2021Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	4841400000	usd
CY2020Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	1310100000	usd
CY2021Q4	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	1215300000	usd
CY2020Q4	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	14400000	usd
CY2021Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Opening Balance Adjustments LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments	-1400000	usd
CY2020Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Opening Balance Adjustments LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments	-6000000.0	usd
CY2021Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	3624700000	usd
CY2020Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	1289700000	usd
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	1215500000	usd
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	1001000000	usd
CY2021Q3	us-gaap	Due To Affiliate Current And Noncurrent DueToAffiliateCurrentAndNoncurrent	0	usd
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-17200000	usd
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-25900000	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	1198300000	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	975100000	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	180400000	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	152300000	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	616100000	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	543900000	usd
	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	796500000	usd
	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	696200000	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Foreign Currency Translation Gain Loss LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseForeignCurrencyTranslationGainLoss	136300000	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Foreign Currency Translation Gain Loss LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseForeignCurrencyTranslationGainLoss	19500000	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Business Acquisitions LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseBusinessAcquisitions	0	usd
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Business Acquisitions LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseBusinessAcquisitions	2467800000	usd
CY2022Q3	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	3890200000	usd
CY2021Q3	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	4016900000	usd
CY2022Q3	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	1309200000	usd
CY2021Q3	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	843500000	usd
CY2022Q3	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Opening Balance Adjustments LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments	-1100000	usd
CY2021Q3	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Opening Balance Adjustments LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments	-1900000	usd
CY2022Q3	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	5200500000	usd
CY2021Q3	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	4862300000	usd
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-17200000	usd
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-25900000	usd
	spnt	Prior Year Claims And Claims Adjustment Expense Increase Decrease Due To Change In Loss Reserve Development PriorYearClaimsAndClaimsAdjustmentExpenseIncreaseDecreaseDueToChangeInLossReserveDevelopment	-27000000	usd
CY2022Q3	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	1952700000	usd
CY2021Q4	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	1708200000	usd
CY2022Q3	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	1309200000	usd
CY2021Q4	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	1215300000	usd
CY2022Q3	spnt	Accounts And Other Receivables Net AccountsAndOtherReceivablesNet	43200000	usd
CY2021Q4	spnt	Accounts And Other Receivables Net AccountsAndOtherReceivablesNet	14500000	usd
CY2022Q3	spnt	Assets Within Scope Of Credit Losses AssetsWithinScopeOfCreditLosses	3305100000	usd
CY2021Q4	spnt	Assets Within Scope Of Credit Losses AssetsWithinScopeOfCreditLosses	2938000000	usd
CY2022Q3	spnt	Assets Within Scope Of Credit Losses Allowance For Credit Loss AssetsWithinScopeOfCreditLossesAllowanceForCreditLoss	31500000	usd
CY2021Q4	spnt	Assets Within Scope Of Credit Losses Allowance For Credit Loss AssetsWithinScopeOfCreditLossesAllowanceForCreditLoss	21600000	usd
CY2022Q3	us-gaap	Provision For Other Credit Losses ProvisionForOtherCreditLosses	-700000	usd
	us-gaap	Provision For Other Credit Losses ProvisionForOtherCreditLosses	10000000	usd
CY2021Q3	us-gaap	Provision For Other Credit Losses ProvisionForOtherCreditLosses	-300000	usd
	us-gaap	Provision For Other Credit Losses ProvisionForOtherCreditLosses	15300000	usd
CY2022Q3	us-gaap	Long Term Debt LongTermDebt	762000000.0	usd
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	816700000	usd
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	145095270	shares
CY2022Q3	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	0	shares
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	900000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-17100000	usd
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-13000000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6400000	usd
CY2022Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-92700000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-380100000	usd
CY2021Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-60400000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	199000000	usd
CY2022Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-0.010
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.045
CY2022Q3	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	2500000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	10700000	usd
CY2022Q3	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	1700000	usd
CY2022Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	300000000	shares
CY2022Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.10
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	0	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	0	usd
CY2018Q1	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	148300000	usd
CY2022Q3	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	200000000	usd
	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	5000000	usd
	spnt	Stock Repurchased And Retired During Period Average Cost Per Share StockRepurchasedAndRetiredDuringPeriodAverageCostPerShare	7.17
CY2022Q3	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	56300000	usd
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	160321270	shares
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	159225772	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	160150911	shares
CY2021Q3	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	0	shares
	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	0	shares
	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	38525	shares
CY2022Q3	spnt	Incremental Common Shares Attributable To Financial Instruments Subject To Mandatory Redemption IncrementalCommonSharesAttributableToFinancialInstrumentsSubjectToMandatoryRedemption	0	shares
CY2021Q3	spnt	Incremental Common Shares Attributable To Financial Instruments Subject To Mandatory Redemption IncrementalCommonSharesAttributableToFinancialInstrumentsSubjectToMandatoryRedemption	1015116	shares
	spnt	Incremental Common Shares Attributable To Financial Instruments Subject To Mandatory Redemption IncrementalCommonSharesAttributableToFinancialInstrumentsSubjectToMandatoryRedemption	0	shares
	spnt	Incremental Common Shares Attributable To Financial Instruments Subject To Mandatory Redemption IncrementalCommonSharesAttributableToFinancialInstrumentsSubjectToMandatoryRedemption	1015116	shares
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	160321270	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	160240888	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	160150911	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	147597964	shares
CY2022Q3	us-gaap	Undistributed Earnings UndistributedEarnings	-98400000	usd
CY2021Q3	us-gaap	Undistributed Earnings UndistributedEarnings	-48000000.0	usd
	us-gaap	Undistributed Earnings UndistributedEarnings	-376200000	usd
	us-gaap	Undistributed Earnings UndistributedEarnings	184900000	usd
CY2022Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	0	usd
CY2021Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	0	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	0	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	13700000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-98400000	usd
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-48000000.0	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-376200000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	171200000	usd
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.61
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.30
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.35
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.18
CY2022Q3	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	-98400000	usd
CY2021Q3	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	-48000000.0	usd
	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	-376200000	usd
	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	184900000	usd
CY2022Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	0	usd
CY2021Q3	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	0	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	0	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	2800000	usd
CY2022Q3	spnt	Change In Carrying Value Of Financial Instruments Subject To Mandatory Redemption ChangeInCarryingValueOfFinancialInstrumentsSubjectToMandatoryRedemption	0	usd
CY2021Q3	spnt	Change In Carrying Value Of Financial Instruments Subject To Mandatory Redemption ChangeInCarryingValueOfFinancialInstrumentsSubjectToMandatoryRedemption	7200000	usd
	spnt	Change In Carrying Value Of Financial Instruments Subject To Mandatory Redemption ChangeInCarryingValueOfFinancialInstrumentsSubjectToMandatoryRedemption	0	usd
	spnt	Change In Carrying Value Of Financial Instruments Subject To Mandatory Redemption ChangeInCarryingValueOfFinancialInstrumentsSubjectToMandatoryRedemption	9600000	usd
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-98400000	usd
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-55200000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-376200000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	172500000	usd
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.61
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.34
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.35
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.17
CY2022Q3	spnt	Related Party Transaction Expenses Income From Transactions With Related Party RelatedPartyTransactionExpensesIncomeFromTransactionsWithRelatedParty	900000	usd
CY2021Q3	spnt	Related Party Transaction Expenses Income From Transactions With Related Party RelatedPartyTransactionExpensesIncomeFromTransactionsWithRelatedParty	55600000	usd
	spnt	Related Party Transaction Expenses Income From Transactions With Related Party RelatedPartyTransactionExpensesIncomeFromTransactionsWithRelatedParty	4800000	usd
	spnt	Related Party Transaction Expenses Income From Transactions With Related Party RelatedPartyTransactionExpensesIncomeFromTransactionsWithRelatedParty	113800000	usd
CY2022Q3	us-gaap	Lease Cost LeaseCost	2900000	usd
	us-gaap	Lease Cost LeaseCost	8600000	usd
CY2021Q3	us-gaap	Lease Cost LeaseCost	3100000	usd
	us-gaap	Lease Cost LeaseCost	7600000	usd
CY2022Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	19800000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	27400000	usd
CY2022Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	24600000	usd
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	32500000	usd
CY2022Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P5Y
CY2022Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.022
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.024
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	2600000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	7700000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	4400000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	3100000	usd
CY2022Q3	spnt	Lessee Operating Lease Liability To Be Paid Due After Year Three LesseeOperatingLeaseLiabilityToBePaidDueAfterYearThree	8000000.0	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	25800000	usd
CY2022Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1200000	usd
CY2022Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	24600000	usd
	spnt	Lessee Operating Lease Lease Not Yet Commenced Number Of Contracts LesseeOperatingLeaseLeaseNotYetCommencedNumberOfContracts	1	contract
CY2022Q3	spnt	Lessee Operating Lease Lease Not Yet Commenced Undiscounted Amount LesseeOperatingLeaseLeaseNotYetCommencedUndiscountedAmount	9400000	usd

Files In Submission

Name	View Source	Status
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0001576018-22-000123-index.html	Edgar Link	pending
0001576018-22-000123.txt	Edgar Link	pending
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exhibit31193022.htm	Edgar Link	pending
exhibit31293022.htm	Edgar Link	pending
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exhibit32293022.htm	Edgar Link	pending
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$SPNT
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2022 Q4 Form 10-Q Financial Statement

#000157601822000123 Filed on November 02, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SPNT SiriusPoint Ltd Stock $spnt

2022 Q4 Form 10-Q Financial Statement

#000157601822000123 Filed on November 02, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SPNT
SiriusPoint Ltd Stock $spnt