$SPNT
SiriusPoint Ltd Stock $spnt

$spnt Overview Financials Valuation SEC Filings Company Website

2021 Q2 Form 10-Q Financial Statement

#000157601821000163 Filed on August 05, 2021

Income Statement

Concept	2021 Q2	2020 Q2
Revenue	$561.5M	$278.0M
YoY Change	101.98%	29.55%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin		$13.50M
YoY Change		-31.47%
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$2.800M	$43.67M
YoY Change	-93.59%	-24.71%
% of Gross Profit
Operating Expenses	$776.4M	$149.4M
YoY Change	419.68%	-8.79%
Operating Profit
YoY Change
Interest Expense	$9.800M	$2.000M
YoY Change	390.0%	-2.49%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$79.70M	$127.3M
YoY Change	-37.39%	140.23%
Income Tax	$9.600M	$3.300M
% Of Pretax Income	12.05%	2.59%
Net Earnings	$68.50M	$124.0M
YoY Change	-44.76%	133.68%
Net Earnings / Revenue	12.2%	44.6%
Basic Earnings Per Share	$0.37	$1.33
Diluted Earnings Per Share	$0.37	$1.33
COMMON SHARES
Basic Shares Outstanding	158.8M shares	92.59M shares
Diluted Shares Outstanding	160.9M shares	92.74M shares

Balance Sheet

Concept	2021 Q2	2020 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$1.033B	$584.8M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$17.30M
YoY Change
Goodwill
YoY Change
Intangibles	$176.7M
YoY Change
Long-Term Investments	$4.499B	$1.001B
YoY Change	349.46%	-28.24%
Other Assets	$1.771B	$887.0M
YoY Change	99.63%	35.21%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$10.19B	$3.494B
YoY Change	191.7%	0.12%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$141.1M	$12.00M
YoY Change	1075.83%	-20.0%
Accrued Expenses	$23.00M
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$203.0M	$17.00M
YoY Change	1094.12%	-5.56%
LONG-TERM LIABILITIES
Long-Term Debt	$836.5M	$114.0M
YoY Change	633.77%	0.0%
Other Long-Term Liabilities	$270.8M	$189.0M
YoY Change	43.28%	26.85%
Total Long-Term Liabilities	$1.107B	$303.0M
YoY Change	265.45%	15.21%
TOTAL LIABILITIES
Total Short-Term Liabilities	$203.0M	$17.00M
Total Long-Term Liabilities	$1.107B	$303.0M
Total Liabilities	$7.507B	$2.136B
YoY Change	251.42%	2.04%
SHAREHOLDERS EQUITY
Retained Earnings	$815.8M	$417.3M
YoY Change	95.48%	-9.73%
Common Stock	$16.20M	$9.492M
YoY Change	70.67%	0.99%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$2.680B	$1.357B
YoY Change
Total Liabilities & Shareholders Equity	$10.19B	$3.494B
YoY Change	191.7%	0.12%

Cashflow Statement

Concept	2021 Q2	2020 Q2
OPERATING ACTIVITIES
Net Income	$68.50M	$124.0M
YoY Change	-44.76%	133.68%
Depreciation, Depletion And Amortization	$2.800M	$43.67M
YoY Change	-93.59%	-24.71%
Cash From Operating Activities	$61.20M	$33.60M
YoY Change	82.14%	-55.08%
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities	$196.6M	$20.00M
YoY Change	883.0%	194.12%
Cash From Investing Activities	$196.6M	$20.00M
YoY Change	883.0%	194.12%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-14.50M	-2.400M
YoY Change	504.17%	-17.24%
NET CHANGE
Cash From Operating Activities	61.20M	33.60M
Cash From Investing Activities	196.6M	20.00M
Cash From Financing Activities	-14.50M	-2.400M
Net Change In Cash	243.3M	51.20M
YoY Change	375.2%	-34.94%
FREE CASH FLOW
Cash From Operating Activities	$61.20M	$33.60M
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	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Amendment Flag AmendmentFlag	false
CY2021Q2	spnt	Investments In Related Party Investment Funds Cost InvestmentsInRelatedPartyInvestmentFundsCost	891900000	USD
CY2020Q4	spnt	Investments In Related Party Investment Funds Cost InvestmentsInRelatedPartyInvestmentFundsCost	891900000	USD
CY2021Q2	spnt	Other Long Term Investments Cost OtherLongTermInvestmentsCost	414900000	USD
CY2021Q2	us-gaap	Trading Securities Debt Amortized Cost TradingSecuritiesDebtAmortizedCost	2006300000	USD
CY2020Q4	us-gaap	Trading Securities Debt Amortized Cost TradingSecuritiesDebtAmortizedCost	91400000	USD
CY2021Q2	spnt	Other Short Term Investments Cost OtherShortTermInvestmentsCost	767700000	USD
CY2021Q2	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	4900000	USD
CY2020Q4	spnt	Other Long Term Investments Cost OtherLongTermInvestmentsCost	4000000.0	USD
CY2021Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	161945750	shares
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	95582733	shares
CY2021Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	161945750	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	95582733	shares
	us-gaap	Cash Acquired From Acquisition CashAcquiredFromAcquisition	740300000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherAssets
CY2021Q2	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherAssets
CY2020Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
CY2021Q2	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2021-06-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-36052
	dei	Entity Registrant Name EntityRegistrantName	SIRIUSPOINT LTD.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	D0
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	98-1599372
	dei	Entity Address Address Line1 EntityAddressAddressLine1	Point House
	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	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	Net Income Loss NetIncomeLoss	200900000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-59600000	USD
CY2021Q2	us-gaap	Dividends Dividends	4000000.0	USD
CY2020Q2	us-gaap	Dividends Dividends	0	USD
	us-gaap	Dividends Dividends	5500000	USD
	us-gaap	Dividends Dividends	0	USD
CY2021Q2	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	64500000	USD
CY2021Q2	us-gaap	Undistributed Earnings UndistributedEarnings	64500000	USD
CY2020Q2	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	124000000.0	USD
CY2020Q2	us-gaap	Undistributed Earnings UndistributedEarnings	124000000.0	USD
	us-gaap	Undistributed Earnings UndistributedEarnings	195400000	USD
	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	195400000	USD
	us-gaap	Undistributed Earnings UndistributedEarnings	-59600000	USD
	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	-59600000	USD
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.37
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.33
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.32
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.65
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.37
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.33
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.30
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.65
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	158832629	shares
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	92593599	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	137912915	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	92392718	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	160894216	shares
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	92738293	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	139561196	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	92392718	shares
CY2021Q2	us-gaap	Profit Loss ProfitLoss	70100000	USD
CY2020Q2	us-gaap	Profit Loss ProfitLoss	124000000.0	USD
	us-gaap	Profit Loss ProfitLoss	202500000	USD
	us-gaap	Profit Loss ProfitLoss	-59600000	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	1100000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	1500000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	0	USD
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1100000	USD
CY2020Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1500000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	0	USD
	us-gaap	Profit Loss ProfitLoss	202500000	USD
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	71200000	USD
CY2020Q2	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	124000000.0	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	204000000.0	USD
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-59600000	USD
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1600000	USD
CY2020Q2	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	0	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1600000	USD
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	0	USD
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	69600000	USD
CY2020Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	124000000.0	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	202400000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-59600000	USD
CY2021Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2683400000	USD
CY2020Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1357300000	USD
CY2021Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	2683400000	USD
CY2020Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1357300000	USD
	us-gaap	Profit Loss ProfitLoss	-59600000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	9300000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	3200000	USD
	us-gaap	Interest Expense Domestic Deposit Liabilities InterestExpenseDomesticDepositLiabilities	1800000	USD
	us-gaap	Interest Expense Domestic Deposit Liabilities InterestExpenseDomesticDepositLiabilities	2000000.0	USD
	spnt	Realized And Unrealized Gain Loss On Investments And Derivatives RealizedAndUnrealizedGainLossOnInvestmentsAndDerivatives	61800000	USD
	spnt	Realized And Unrealized Gain Loss On Investments And Derivatives RealizedAndUnrealizedGainLossOnInvestmentsAndDerivatives	55200000	USD
	spnt	Net Investment Income And Gain Loss On Investments Related Party NetInvestmentIncomeAndGainLossOnInvestmentsRelatedParty	198800000	USD
	spnt	Net Investment Income And Gain Loss On Investments Related Party NetInvestmentIncomeAndGainLossOnInvestmentsRelatedParty	-102200000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	400000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	9000000.0	USD
	us-gaap	Other Income OtherIncome	26400000	USD
	us-gaap	Other Income OtherIncome	0	USD
	spnt	Accretion Amortization Of Discounts And Premiums AccretionAmortizationOfDiscountsAndPremiums	-3700000	USD
	spnt	Accretion Amortization Of Discounts And Premiums AccretionAmortizationOfDiscountsAndPremiums	-500000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2100000	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	0	USD
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	3000000.0	USD
	us-gaap	Other Depreciation And Amortization OtherDepreciationAndAmortization	0	USD
	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	-127400000	USD
	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	-32500000	USD
	spnt	Increase Decrease In Deferred Policy Acquisition Costs And Present Value Of Future Insurance Profits IncreaseDecreaseInDeferredPolicyAcquisitionCostsAndPresentValueOfFutureInsuranceProfits	-4400000	USD
	spnt	Increase Decrease In Deferred Policy Acquisition Costs And Present Value Of Future Insurance Profits IncreaseDecreaseInDeferredPolicyAcquisitionCostsAndPresentValueOfFutureInsuranceProfits	-16200000	USD
	us-gaap	Increase Decrease In Prepaid Reinsurance Premiums IncreaseDecreaseInPrepaidReinsurancePremiums	37500000	USD
	us-gaap	Increase Decrease In Prepaid Reinsurance Premiums IncreaseDecreaseInPrepaidReinsurancePremiums	9600000	USD
	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	41500000	USD
	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	4500000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-13500000	USD
	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-3700000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-9700000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	1400000	USD
	us-gaap	Increase Decrease In Interest And Dividends Receivable IncreaseDecreaseInInterestAndDividendsReceivable	2200000	USD
	us-gaap	Increase Decrease In Interest And Dividends Receivable IncreaseDecreaseInInterestAndDividendsReceivable	0	USD
	us-gaap	Increase Decrease In Liability For Claims And Claims Adjustment Expense Reserve IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve	-8900000	USD
	us-gaap	Increase Decrease In Liability For Claims And Claims Adjustment Expense Reserve IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve	32900000	USD
	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	53300000	USD
	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	-25100000	USD
	us-gaap	Increase Decrease In Reinsurance Payables IncreaseDecreaseInReinsurancePayables	60100000	USD
	us-gaap	Increase Decrease In Reinsurance Payables IncreaseDecreaseInReinsurancePayables	7200000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-100900000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-5600000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	12400000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	30400000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	1046600000	USD
	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	421700000	USD
	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	1165400000	USD
	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	363000000.0	USD
	spnt	Payments To Acquire Investments To Cover Short Sales PaymentsToAcquireInvestmentsToCoverShortSales	11800000	USD
	spnt	Payments To Acquire Investments To Cover Short Sales PaymentsToAcquireInvestmentsToCoverShortSales	2800000	USD
	us-gaap	Investment Sold Not Yet Purchased Sale Proceeds InvestmentSoldNotYetPurchasedSaleProceeds	11200000	USD
	us-gaap	Investment Sold Not Yet Purchased Sale Proceeds InvestmentSoldNotYetPurchasedSaleProceeds	22300000	USD
	spnt	Proceeds From Payments For Broker Dealer Related Receivables And Payables Net Investing Activities ProceedsFromPaymentsForBrokerDealerRelatedReceivablesAndPayablesNetInvestingActivities	70500000	USD
	spnt	Proceeds From Payments For Broker Dealer Related Receivables And Payables Net Investing Activities ProceedsFromPaymentsForBrokerDealerRelatedReceivablesAndPayablesNetInvestingActivities	-167600000	USD
	spnt	Proceeds From Acquisition Net ProceedsFromAcquisitionNet	631900000	USD
	spnt	Proceeds From Acquisition Net ProceedsFromAcquisitionNet	0	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	820600000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-206800000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	50800000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	300000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	300000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	4200000	USD
	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	0	USD
	spnt	Proceeds From Payments For Deposit Contracts Liabilities ProceedsFromPaymentsForDepositContractsLiabilities	-6200000	USD
	spnt	Proceeds From Payments For Deposit Contracts Liabilities ProceedsFromPaymentsForDepositContractsLiabilities	-5200000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	40100000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-5500000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	873100000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-181900000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1713900000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1654000000.0	USD
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2587000000.0	USD
CY2020Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1472100000	USD
CY2020Q4	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	441900000	USD
CY2020Q4	us-gaap	Deferred Policy Acquisition Costs And Value Of Business Acquired DeferredPolicyAcquisitionCostsAndValueOfBusinessAcquired	68600000	USD
CY2020Q4	us-gaap	Prepaid Reinsurance Premiums PrepaidReinsurancePremiums	20500000	USD
CY2020Q4	us-gaap	Assets Assets	3535200000	USD
CY2020Q4	us-gaap	Reinsurance Payable ReinsurancePayable	78100000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	1969900000	USD
CY2020Q4	us-gaap	Unearned Premiums UnearnedPremiums	284800000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	1563900000	USD
CY2020Q2	us-gaap	Premiums Written Gross PremiumsWrittenGross	147700000	USD
	us-gaap	Premiums Written Gross PremiumsWrittenGross	273400000	USD
CY2020Q2	us-gaap	Ceded Premiums Written CededPremiumsWritten	18400000	USD
	us-gaap	Ceded Premiums Written CededPremiumsWritten	20900000	USD
CY2020Q2	us-gaap	Premiums Written Net PremiumsWrittenNet	129300000	USD
	us-gaap	Premiums Written Net PremiumsWrittenNet	252500000	USD
CY2020Q2	us-gaap	Increase Decrease In Unearned Premiums Net IncreaseDecreaseInUnearnedPremiumsNet	11500000	USD
	us-gaap	Increase Decrease In Unearned Premiums Net IncreaseDecreaseInUnearnedPremiumsNet	34600000	USD
CY2020Q2	us-gaap	Premiums Earned Net PremiumsEarnedNet	140800000	USD
	us-gaap	Premiums Earned Net PremiumsEarnedNet	287100000	USD
CY2020Q2	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	124000000.0	USD
CY2020Q2	us-gaap	Undistributed Earnings UndistributedEarnings	124000000.0	USD
	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	-59600000	USD
	us-gaap	Undistributed Earnings UndistributedEarnings	-59600000	USD
	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	-32500000	USD
	spnt	Increase Decrease In Deferred Policy Acquisition Costs And Present Value Of Future Insurance Profits IncreaseDecreaseInDeferredPolicyAcquisitionCostsAndPresentValueOfFutureInsuranceProfits	-16200000	USD
	us-gaap	Increase Decrease In Prepaid Reinsurance Premiums IncreaseDecreaseInPrepaidReinsurancePremiums	9600000	USD
	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	-25100000	USD
	us-gaap	Increase Decrease In Reinsurance Payables IncreaseDecreaseInReinsurancePayables	7200000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	30400000	USD
CY2021Q2	us-gaap	Underwriting Income Loss UnderwritingIncomeLoss	33300000	USD
CY2021Q1	spnt	Class Of Warrant Or Right Consecutive Trading Days ClassOfWarrantOrRightConsecutiveTradingDays	P30D
	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	4	segment
CY2021Q2	us-gaap	Premiums Written Gross PremiumsWrittenGross	562700000	USD
CY2021Q2	us-gaap	Premiums Written Net PremiumsWrittenNet	459000000.0	USD
CY2021Q2	us-gaap	Premiums Earned Net PremiumsEarnedNet	466300000	USD
CY2021Q2	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	255100000	USD
CY2021Q2	us-gaap	Deferred Policy Acquisition Costs And Present Value Of Future Profits Amortization1 DeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsAmortization1	105600000	USD
CY2021Q2	us-gaap	Other Underwriting Expense OtherUnderwritingExpense	72300000	USD
CY2021Q2	us-gaap	Other Income OtherIncome	17800000	USD
CY2021Q2	spnt	Net Investment Income And Gain Loss On Investments NetInvestmentIncomeAndGainLossOnInvestments	77400000	USD
CY2021Q2	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	25700000	USD
CY2021Q2	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1300000	USD
CY2021Q2	us-gaap	Interest Expense InterestExpense	9800000	USD
CY2021Q2	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-12000000.0	USD
CY2021Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	79700000	USD
CY2021Q2	us-gaap	Loss Ratio LossRatio	0.547
CY2021Q2	us-gaap	Acquisition Cost Ratio AcquisitionCostRatio	0.226
CY2021Q2	us-gaap	Underwriting Expense Ratio UnderwritingExpenseRatio	0.155
CY2021Q2	us-gaap	Combined Ratio CombinedRatio	0.928
CY2020Q2	us-gaap	Premiums Written Gross PremiumsWrittenGross	147700000	USD
CY2020Q2	us-gaap	Premiums Written Net PremiumsWrittenNet	129300000	USD
CY2020Q2	us-gaap	Premiums Earned Net PremiumsEarnedNet	140800000	USD
CY2020Q2	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	89100000	USD
CY2020Q2	us-gaap	Deferred Policy Acquisition Costs And Present Value Of Future Profits Amortization1 DeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsAmortization1	43700000	USD
CY2020Q2	us-gaap	Other Underwriting Expense OtherUnderwritingExpense	7800000	USD
CY2020Q2	us-gaap	Underwriting Income Loss UnderwritingIncomeLoss	200000	USD
CY2020Q2	spnt	Net Investment Income And Gain Loss On Investments NetInvestmentIncomeAndGainLossOnInvestments	137200000	USD
CY2020Q2	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	8900000	USD
CY2020Q2	us-gaap	Interest Expense InterestExpense	2000000.0	USD
CY2020Q2	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	800000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	127300000	USD
CY2020Q2	us-gaap	Loss Ratio LossRatio	0.633
CY2020Q2	us-gaap	Acquisition Cost Ratio AcquisitionCostRatio	0.310
CY2020Q2	us-gaap	Underwriting Expense Ratio UnderwritingExpenseRatio	0.055
CY2020Q2	us-gaap	Combined Ratio CombinedRatio	0.998
	us-gaap	Premiums Written Gross PremiumsWrittenGross	929300000	USD
	us-gaap	Premiums Written Net PremiumsWrittenNet	769300000	USD
	us-gaap	Premiums Earned Net PremiumsEarnedNet	722300000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	403200000	USD
	us-gaap	Deferred Policy Acquisition Costs And Present Value Of Future Profits Amortization1 DeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsAmortization1	174600000	USD
	us-gaap	Other Underwriting Expense OtherUnderwritingExpense	102500000	USD
	us-gaap	Underwriting Income Loss UnderwritingIncomeLoss	42000000.0	USD
	us-gaap	Other Income OtherIncome	26400000	USD
	spnt	Net Investment Income And Gain Loss On Investments NetInvestmentIncomeAndGainLossOnInvestments	263900000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	94000000.0	USD
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	2100000	USD
	us-gaap	Interest Expense InterestExpense	14700000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	400000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	221900000	USD
	us-gaap	Loss Ratio LossRatio	0.558
	us-gaap	Acquisition Cost Ratio AcquisitionCostRatio	0.242
	us-gaap	Underwriting Expense Ratio UnderwritingExpenseRatio	0.142
	us-gaap	Combined Ratio CombinedRatio	0.942
	us-gaap	Premiums Written Gross PremiumsWrittenGross	273400000	USD
	us-gaap	Premiums Written Net PremiumsWrittenNet	252500000	USD
	us-gaap	Premiums Earned Net PremiumsEarnedNet	287100000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	176900000	USD
	us-gaap	Deferred Policy Acquisition Costs And Present Value Of Future Profits Amortization1 DeferredPolicyAcquisitionCostsAndPresentValueOfFutureProfitsAmortization1	92900000	USD
	us-gaap	Other Underwriting Expense OtherUnderwritingExpense	15000000.0	USD
	us-gaap	Underwriting Income Loss UnderwritingIncomeLoss	2300000	USD
	spnt	Net Investment Income And Gain Loss On Investments NetInvestmentIncomeAndGainLossOnInvestments	-47800000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	15300000	USD
	us-gaap	Interest Expense InterestExpense	4100000	USD
	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	9000000.0	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-55900000	USD
	us-gaap	Loss Ratio LossRatio	0.616
	us-gaap	Acquisition Cost Ratio AcquisitionCostRatio	0.324
	us-gaap	Underwriting Expense Ratio UnderwritingExpenseRatio	0.052
	us-gaap	Combined Ratio CombinedRatio	0.992
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	1032600000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	526000000.0	USD
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2587000000.0	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1713900000	USD
CY2021Q2	us-gaap	Restricted Investments RestrictedInvestments	944600000	USD
CY2020Q4	us-gaap	Restricted Investments RestrictedInvestments	86400000	USD
CY2021Q2	spnt	Cash Cash Equivalents Restricted Cash Restricted Cash Equivalents And Restricted Investments CashCashEquivalentsRestrictedCashRestrictedCashEquivalentsAndRestrictedInvestments	3531600000	USD
CY2020Q4	spnt	Cash Cash Equivalents Restricted Cash Restricted Cash Equivalents And Restricted Investments CashCashEquivalentsRestrictedCashRestrictedCashEquivalentsAndRestrictedInvestments	1800300000	USD
CY2021Q2	us-gaap	Trading Securities Debt Amortized Cost TradingSecuritiesDebtAmortizedCost	2006300000	USD
CY2021Q2	spnt	Debt Securities Trading Accumulated Unrecognized Gain DebtSecuritiesTradingAccumulatedUnrecognizedGain	11800000	USD
CY2021Q2	spnt	Debt Securities Trading Accumulated Unrecognized Loss DebtSecuritiesTradingAccumulatedUnrecognizedLoss	5300000	USD
CY2021Q2	spnt	Debt Securities Trading Accumulated Net Foreign Currency Gains Losses DebtSecuritiesTradingAccumulatedNetForeignCurrencyGainsLosses	-3500000	USD
CY2021Q2	us-gaap	Trading Securities Debt TradingSecuritiesDebt	2009300000	USD
CY2020Q4	us-gaap	Trading Securities Debt Amortized Cost TradingSecuritiesDebtAmortizedCost	91400000	USD
CY2020Q4	spnt	Debt Securities Trading Accumulated Unrecognized Gain DebtSecuritiesTradingAccumulatedUnrecognizedGain	10900000	USD
CY2020Q4	spnt	Debt Securities Trading Accumulated Unrecognized Loss DebtSecuritiesTradingAccumulatedUnrecognizedLoss	1000000.0	USD
CY2020Q4	spnt	Debt Securities Trading Accumulated Net Foreign Currency Gains Losses DebtSecuritiesTradingAccumulatedNetForeignCurrencyGainsLosses	0	USD
CY2020Q4	us-gaap	Trading Securities Debt TradingSecuritiesDebt	101300000	USD
	spnt	Debt Securities Trading Weighted Average Duration DebtSecuritiesTradingWeightedAverageDuration	P1Y8M12D
	spnt	Debt Securities Trading Excluding Short Term Investments Weighted Average Duration DebtSecuritiesTradingExcludingShortTermInvestmentsWeightedAverageDuration	P2Y4M24D
CY2020	spnt	Debt Securities Trading Weighted Average Duration DebtSecuritiesTradingWeightedAverageDuration	P10Y6M
CY2020	spnt	Debt Securities Trading Excluding Short Term Investments Weighted Average Duration DebtSecuritiesTradingExcludingShortTermInvestmentsWeightedAverageDuration	P10Y6M
CY2021Q2	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling Within One Year Amortized Cost DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingWithinOneYearAmortizedCost	238900000	USD
CY2021Q2	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling Within One Year Fair Value DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingWithinOneYearFairValue	238900000	USD
CY2020Q4	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling Within One Year Amortized Cost DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingWithinOneYearAmortizedCost	50000000.0	USD
CY2020Q4	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling Within One Year Fair Value DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingWithinOneYearFairValue	50600000	USD
CY2021Q2	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After One Through Five Years Amortized Cost DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterOneThroughFiveYearsAmortizedCost	570100000	USD
CY2021Q2	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After One Through Five Years Fair Value DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterOneThroughFiveYearsFairValue	568000000.0	USD
CY2020Q4	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After One Through Five Years Amortized Cost DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterOneThroughFiveYearsAmortizedCost	2800000	USD
CY2020Q4	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After One Through Five Years Fair Value DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterOneThroughFiveYearsFairValue	3000000.0	USD
CY2021Q2	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After Five Through Ten Years Amortized Cost DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterFiveThroughTenYearsAmortizedCost	103300000	USD
CY2021Q2	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After Five Through Ten Years Fair Value DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterFiveThroughTenYearsFairValue	103200000	USD
CY2020Q4	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After Five Through Ten Years Amortized Cost DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterFiveThroughTenYearsAmortizedCost	0	USD
CY2020Q4	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After Five Through Ten Years Fair Value DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterFiveThroughTenYearsFairValue	0	USD
CY2021Q2	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After Ten Years Amortized Cost DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterTenYearsAmortizedCost	47300000	USD
CY2021Q2	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After Ten Years Fair Value DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterTenYearsFairValue	51400000	USD
CY2020Q4	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After Ten Years Amortized Cost DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterTenYearsAmortizedCost	29400000	USD
CY2020Q4	spnt	Debt Securities Trading Maturity Allocated And Single Maturity Date Rolling After Ten Years Fair Value DebtSecuritiesTradingMaturityAllocatedAndSingleMaturityDateRollingAfterTenYearsFairValue	37700000	USD
CY2021Q2	us-gaap	Trading Securities Debt Amortized Cost TradingSecuritiesDebtAmortizedCost	2006300000	USD
CY2021Q2	us-gaap	Trading Securities Debt TradingSecuritiesDebt	2009300000	USD
CY2020Q4	us-gaap	Trading Securities Debt Amortized Cost TradingSecuritiesDebtAmortizedCost	91400000	USD
CY2020Q4	us-gaap	Trading Securities Debt TradingSecuritiesDebt	101300000	USD
CY2021Q2	us-gaap	Trading Securities Debt TradingSecuritiesDebt	2009300000	USD
CY2020Q4	us-gaap	Trading Securities Debt TradingSecuritiesDebt	101300000	USD
CY2021Q2	us-gaap	Equity Securities Fv Ni Cost EquitySecuritiesFvNiCost	4900000	USD
CY2021Q2	spnt	Equity Securities Fvni Accumulated Unrecognized Gain EquitySecuritiesFVNIAccumulatedUnrecognizedGain	100000	USD
CY2021Q2	spnt	Equity Securities Fvni Accumulated Unrecognized Loss EquitySecuritiesFVNIAccumulatedUnrecognizedLoss	0	USD
CY2021Q2	spnt	Equity Securities Fvni Accumulated Net Foreign Currency Gains Losses EquitySecuritiesFVNIAccumulatedNetForeignCurrencyGainsLosses	0	USD
CY2021Q2	us-gaap	Equity Securities Fv Ni Current And Noncurrent EquitySecuritiesFvNiCurrentAndNoncurrent	5000000.0	USD
CY2021Q2	spnt	Other Long Term Investments Cost OtherLongTermInvestmentsCost	414900000	USD
CY2021Q2	spnt	Other Long Term Investments Accumulated Unrecognized Gain OtherLongTermInvestmentsAccumulatedUnrecognizedGain	53000000.0	USD
CY2021Q2	spnt	Other Long Term Investments Accumulated Unrecognized Loss OtherLongTermInvestmentsAccumulatedUnrecognizedLoss	4400000	USD
CY2021Q2	spnt	Other Long Term Investments Accumulated Net Foreign Currency Gains Losses OtherLongTermInvestmentsAccumulatedNetForeignCurrencyGainsLosses	200000	USD
CY2021Q2	us-gaap	Other Long Term Investments OtherLongTermInvestments	463700000	USD
CY2020Q4	spnt	Other Long Term Investments Cost OtherLongTermInvestmentsCost	4000000.0	USD
CY2020Q4	spnt	Other Long Term Investments Accumulated Unrecognized Gain OtherLongTermInvestmentsAccumulatedUnrecognizedGain	0	USD
CY2020Q4	spnt	Other Long Term Investments Accumulated Unrecognized Loss OtherLongTermInvestmentsAccumulatedUnrecognizedLoss	0	USD
CY2020Q4	spnt	Other Long Term Investments Accumulated Net Foreign Currency Gains Losses OtherLongTermInvestmentsAccumulatedNetForeignCurrencyGainsLosses	0	USD
CY2020Q4	us-gaap	Other Long Term Investments OtherLongTermInvestments	4000000.0	USD
CY2021Q2	us-gaap	Equity Securities Fv Ni Current And Noncurrent EquitySecuritiesFvNiCurrentAndNoncurrent	5000000.0	USD
CY2021Q2	us-gaap	Other Long Term Investments OtherLongTermInvestments	463700000	USD
CY2020Q4	us-gaap	Other Long Term Investments OtherLongTermInvestments	4000000.0	USD
CY2021Q2	spnt	Investments In Related Party Investment Funds Cost InvestmentsInRelatedPartyInvestmentFundsCost	891900000	USD
CY2021Q2	spnt	Investments In Related Party Investment Funds InvestmentsInRelatedPartyInvestmentFunds	1254400000	USD
CY2020Q4	spnt	Investments In Related Party Investment Funds Cost InvestmentsInRelatedPartyInvestmentFundsCost	891900000	USD
CY2020Q4	spnt	Investments In Related Party Investment Funds InvestmentsInRelatedPartyInvestmentFunds	1055600000	USD
CY2021Q2	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	4540400000	USD
CY2021Q2	us-gaap	Financial Instruments Sold Not Yet Purchased At Fair Value FinancialInstrumentsSoldNotYetPurchasedAtFairValue	10000000.0	USD
CY2021Q2	us-gaap	Shares Subject To Mandatory Redemption Settlement Terms Amount SharesSubjectToMandatoryRedemptionSettlementTermsAmount	122200000	USD
CY2021Q2	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	1500000	USD
CY2021Q2	us-gaap	Derivative Liabilities DerivativeLiabilities	3700000	USD
CY2021Q2	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	137400000	USD
CY2020Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	1162100000	USD
CY2020Q4	us-gaap	Financial Instruments Sold Not Yet Purchased At Fair Value FinancialInstrumentsSoldNotYetPurchasedAtFairValue	12000000.0	USD
CY2020Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	1000000.0	USD
CY2020Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	13000000.0	USD
CY2021Q2	spnt	Fair Value Liabilities Level2 To Level3 Transfers Amount FairValueLiabilitiesLevel2ToLevel3TransfersAmount	0	USD
CY2021Q2	spnt	Fair Value Assets Level2 To Level3 Transfers Amount FairValueAssetsLevel2ToLevel3TransfersAmount	0	USD
CY2021Q2	spnt	Fair Value Liabilities Level3 To Level2 Transfers Amount FairValueLiabilitiesLevel3ToLevel2TransfersAmount	0	USD
CY2021Q2	spnt	Fair Value Assets Level3 To Level2 Transfers Amount FairValueAssetsLevel3ToLevel2TransfersAmount	0	USD
CY2020Q4	spnt	Fair Value Assets Level2 To Level3 Transfers Amount FairValueAssetsLevel2ToLevel3TransfersAmount	0	USD
CY2020Q4	spnt	Fair Value Liabilities Level2 To Level3 Transfers Amount FairValueLiabilitiesLevel2ToLevel3TransfersAmount	0	USD
CY2020Q4	spnt	Fair Value Assets Level3 To Level2 Transfers Amount FairValueAssetsLevel3ToLevel2TransfersAmount	0	USD
CY2020Q4	spnt	Fair Value Liabilities Level3 To Level2 Transfers Amount FairValueLiabilitiesLevel3ToLevel2TransfersAmount	0	USD
CY2021Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	350000000.0	USD
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0	USD
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	28000000.0	USD
CY2021Q2	spnt	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Acquisition FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAcquisition	0	USD
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	5400000	USD
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	4000000.0	USD
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	376600000	USD
CY2021Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	140000000.0	USD
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet	-27000000.0	USD
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases	2600000	USD
CY2021Q2	spnt	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Acquisition FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAcquisition	0	USD
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales	0	USD
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	11100000	USD
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	104500000	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	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	41600000	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	6400000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	41300000	USD
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	376600000	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	-27000000.0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPurchases	137600000	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	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Gain Loss Included In Earnings FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings	9800000	USD
CY2021Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Liability Value FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue	104500000	USD
CY2020Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	8400000	USD
CY2020Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	-4400000	USD
CY2020Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	1000000.0	USD
CY2020Q2	spnt	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Acquisition FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAcquisition	0	USD
CY2020Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	0	USD
CY2020Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	200000	USD
CY2020Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	5200000	USD
CY2019Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	4000000.0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersNet	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	1000000.0	USD
	spnt	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Acquisition FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetAcquisition	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	200000	USD
CY2020Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	5200000	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 six months ended June 30, 2021 and 2020:</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%">June 30, 2021</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%">June 30, 2020</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%">$</span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">1,310.1 </span></td><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</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%">1,111.7 </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%">(14.4)</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%">(5.5)</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"><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%">(6.0)</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%">(6.7)</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%">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"/><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%">1,099.5 </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%">412.9 </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%">176.7 </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%">(9.7)</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%">0.2 </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%">403.2 </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%">176.9 </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%">(80.1)</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%">(24.9)</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%">(366.4)</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%">(123.9)</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%">(446.5)</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%">(148.8)</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%">(1.6)</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%">(10.7)</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%">2,467.8 </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%">— </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%">3,712.6 </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%">1,116.9 </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%">516.6 </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%">10.1 </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%">3.1 </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%">7.0 </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%">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%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">4,232.3 </span></td><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td style="background-color:#ffffff;border-bottom:3pt double #000000;border-top:1pt solid #000000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:9pt;font-weight:400;line-height:100%">$</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%">1,134.0 </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:18pt;text-align:justify;text-indent:-18pt"><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:8.68pt">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:6pt;padding-left:18pt;text-align:justify;text-indent:-18pt"><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:8.68pt">Deferred charges on retroactive contracts are recorded in other assets on the Company’s condensed consolidated balance sheets.</span></div>
CY2020Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	1310100000	USD
CY2019Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	1111700000	USD
CY2020Q4	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	14400000	USD
CY2019Q4	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	5500000	USD
CY2020Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Opening Balance Adjustments LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments	-6000000.0	USD
CY2019Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Opening Balance Adjustments LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments	-6700000	USD
CY2020Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	1289700000	USD
CY2019Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	1099500000	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	412900000	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	176700000	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-9700000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	176900000	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	200000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	403200000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	80100000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	24900000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	366400000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	123900000	USD
	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	446500000	USD
	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	148800000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Foreign Currency Translation Gain Loss LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseForeignCurrencyTranslationGainLoss	1600000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Foreign Currency Translation Gain Loss LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseForeignCurrencyTranslationGainLoss	10700000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Business Acquisitions LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseBusinessAcquisitions	2467800000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Business Acquisitions LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseBusinessAcquisitions	0	USD
CY2021Q2	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	3712600000	USD
CY2020Q2	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	1116900000	USD
CY2021Q2	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	516600000	USD
CY2020Q2	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	10100000	USD
CY2021Q2	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Opening Balance Adjustments LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments	-3100000	USD
CY2020Q2	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Opening Balance Adjustments LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseOpeningBalanceAdjustments	-7000000.0	USD
CY2021Q2	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	4232300000	USD
CY2020Q2	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	1134000000.0	USD
CY2021Q2	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-10100000	USD
CY2021Q2	spnt	Prior Year Claims And Claims Adjustment Expense Increase Decrease Due To Change In Loss Reserve Development PriorYearClaimsAndClaimsAdjustmentExpenseIncreaseDecreaseDueToChangeInLossReserveDevelopment	-12000000.0	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-9700000	USD
CY2020Q2	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	4600000	USD
CY2020Q2	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	4600000	USD
CY2020Q2	spnt	Prior Year Claims And Claims Adjustment Expense Increase Decrease Due To Change In Premium Earnings Estimates PriorYearClaimsAndClaimsAdjustmentExpenseIncreaseDecreaseDueToChangeInPremiumEarningsEstimates	3700000	USD
CY2020Q2	spnt	Prior Year Claims And Claims Adjustment Expense Increase Decrease Due To Change In Reserve Estimates PriorYearClaimsAndClaimsAdjustmentExpenseIncreaseDecreaseDueToChangeInReserveEstimates	900000	USD
CY2020Q2	spnt	Underwriting Income Loss Increase Decrease UnderwritingIncomeLossIncreaseDecrease	200000	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	200000	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	200000	USD
	spnt	Prior Year Claims And Claims Adjustment Expense Increase Decrease Due To Change In Premium Earnings Estimates PriorYearClaimsAndClaimsAdjustmentExpenseIncreaseDecreaseDueToChangeInPremiumEarningsEstimates	10300000	USD
	spnt	Prior Year Claims And Claims Adjustment Expense Increase Decrease Due To Change In Reserve Estimates PriorYearClaimsAndClaimsAdjustmentExpenseIncreaseDecreaseDueToChangeInReserveEstimates	-10100000	USD
	spnt	Underwriting Income Loss Increase Decrease UnderwritingIncomeLossIncreaseDecrease	3400000	USD
CY2021Q2	us-gaap	Ceded Premiums Written CededPremiumsWritten	103700000	USD
	us-gaap	Ceded Premiums Written CededPremiumsWritten	160000000.0	USD
CY2020Q2	us-gaap	Ceded Premiums Written CededPremiumsWritten	18400000	USD
	us-gaap	Ceded Premiums Written CededPremiumsWritten	20900000	USD
CY2021Q2	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	516600000	USD
CY2020Q4	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	14400000	USD
CY2021Q2	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	1515300000	USD
CY2020Q4	us-gaap	Premiums Receivable At Carrying Value PremiumsReceivableAtCarryingValue	441900000	USD
CY2021Q2	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	516600000	USD
CY2020Q4	us-gaap	Reinsurance Recoverables On Paid And Unpaid Losses ReinsuranceRecoverablesOnPaidAndUnpaidLosses	14400000	USD
CY2021Q2	us-gaap	Accounts Receivable Net AccountsReceivableNet	19800000	USD
CY2020Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	0	USD
CY2021Q2	spnt	Assets Within Scope Of Credit Losses AssetsWithinScopeOfCreditLosses	2051700000	USD
CY2020Q4	spnt	Assets Within Scope Of Credit Losses AssetsWithinScopeOfCreditLosses	456300000	USD
CY2021Q2	spnt	Assets Within Scope Of Credit Losses Allowance For Credit Loss AssetsWithinScopeOfCreditLossesAllowanceForCreditLoss	16300000	USD
CY2020Q4	spnt	Assets Within Scope Of Credit Losses Allowance For Credit Loss AssetsWithinScopeOfCreditLossesAllowanceForCreditLoss	600000	USD
CY2021Q2	us-gaap	Provision For Other Credit Losses ProvisionForOtherCreditLosses	-1800000	USD
CY2020Q2	us-gaap	Provision For Other Credit Losses ProvisionForOtherCreditLosses	0	USD
	us-gaap	Provision For Other Credit Losses ProvisionForOtherCreditLosses	15600000	USD
	us-gaap	Provision For Other Credit Losses ProvisionForOtherCreditLosses	200000	USD
CY2020Q4	us-gaap	Deposit Contracts Liabilities DepositContractsLiabilities	153000000.0	USD
CY2019Q4	us-gaap	Deposit Contracts Liabilities DepositContractsLiabilities	172300000	USD
	spnt	Deposit Contracts Liabilities Consideration Received DepositContractsLiabilitiesConsiderationReceived	400000	USD
CY2020	spnt	Deposit Contracts Liabilities Consideration Received DepositContractsLiabilitiesConsiderationReceived	500000	USD
	spnt	Deposit Contracts Liabilities Net Investment Expense Allocation DepositContractsLiabilitiesNetInvestmentExpenseAllocation	1800000	USD
CY2020	spnt	Deposit Contracts Liabilities Net Investment Expense Allocation DepositContractsLiabilitiesNetInvestmentExpenseAllocation	900000	USD
	spnt	Deposit Contracts Liabilities Payments DepositContractsLiabilitiesPayments	6600000	USD
CY2020	spnt	Deposit Contracts Liabilities Payments DepositContractsLiabilitiesPayments	20800000	USD
	spnt	Deposit Contracts Liabilities Foreign Currency Translation Gain Loss DepositContractsLiabilitiesForeignCurrencyTranslationGainLoss	0	USD
CY2020	spnt	Deposit Contracts Liabilities Foreign Currency Translation Gain Loss DepositContractsLiabilitiesForeignCurrencyTranslationGainLoss	-100000	USD
CY2021Q2	us-gaap	Deposit Contracts Liabilities DepositContractsLiabilities	148600000	USD
CY2020Q4	us-gaap	Deposit Contracts Liabilities DepositContractsLiabilities	153000000.0	USD
CY2021Q2	us-gaap	Long Term Debt LongTermDebt	836500000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	114300000	USD
CY2021Q2	us-gaap	Interest Expense Debt InterestExpenseDebt	9800000	USD
	us-gaap	Interest Expense Debt InterestExpenseDebt	14700000	USD
CY2020Q2	us-gaap	Interest Expense Debt InterestExpenseDebt	2000000.0	USD
	us-gaap	Interest Expense Debt InterestExpenseDebt	4100000	USD
CY2021Q2	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	3500000	USD
CY2020Q2	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	500000	USD
	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	4500000	USD
	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	800000	USD
CY2021Q2	spnt	Net Investment Income And Gain Loss On Investments NetInvestmentIncomeAndGainLossOnInvestments	77400000	USD
CY2020Q2	spnt	Net Investment Income And Gain Loss On Investments NetInvestmentIncomeAndGainLossOnInvestments	137200000	USD
	spnt	Net Investment Income And Gain Loss On Investments NetInvestmentIncomeAndGainLossOnInvestments	263900000	USD
	spnt	Net Investment Income And Gain Loss On Investments NetInvestmentIncomeAndGainLossOnInvestments	-47800000	USD
CY2021Q2	spnt	Realized Investment Gains RealizedInvestmentGains	5200000	USD
CY2020Q2	spnt	Realized Investment Gains RealizedInvestmentGains	44900000	USD
	spnt	Realized Investment Gains RealizedInvestmentGains	22900000	USD
	us-gaap	Gain Loss On Investments GainLossOnInvestments	47600000	USD
CY2021Q2	spnt	Realized Investment Gains Losses Foreign Currency RealizedInvestmentGainsLossesForeignCurrency	-3600000	USD
	spnt	Realized Investment Gains RealizedInvestmentGains	47700000	USD
CY2021Q2	spnt	Realized Investment Losses RealizedInvestmentLosses	6800000	USD
CY2020Q2	spnt	Realized Investment Losses RealizedInvestmentLosses	5100000	USD
	spnt	Realized Investment Losses RealizedInvestmentLosses	5400000	USD
	spnt	Realized Investment Losses RealizedInvestmentLosses	6800000	USD
CY2021Q2	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-1600000	USD
CY2020Q2	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	39800000	USD
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	17500000	USD
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	40900000	USD
CY2021Q2	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	25500000	USD
CY2020Q2	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-3800000	USD
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	37900000	USD
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	6700000	USD
CY2021Q2	us-gaap	Gain Loss On Investments GainLossOnInvestments	23900000	USD
CY2020Q2	us-gaap	Gain Loss On Investments GainLossOnInvestments	36000000.0	USD
	us-gaap	Gain Loss On Investments GainLossOnInvestments	55400000	USD
	spnt	Realized Investment Gains Losses Foreign Currency RealizedInvestmentGainsLossesForeignCurrency	-1400000	USD
CY2020Q2	spnt	Realized Investment Gains Losses Foreign Currency RealizedInvestmentGainsLossesForeignCurrency	1400000	USD
	spnt	Realized Investment Gains Losses Foreign Currency RealizedInvestmentGainsLossesForeignCurrency	1200000	USD
CY2021Q2	spnt	Unrealized Gain Loss On Investments Foreign Currency UnrealizedGainLossOnInvestmentsForeignCurrency	10700000	USD
	spnt	Unrealized Gain Loss On Investments Foreign Currency UnrealizedGainLossOnInvestmentsForeignCurrency	-6200000	USD
CY2020Q2	spnt	Unrealized Gain Loss On Investments Foreign Currency UnrealizedGainLossOnInvestmentsForeignCurrency	-700000	USD
	spnt	Unrealized Gain Loss On Investments Foreign Currency UnrealizedGainLossOnInvestmentsForeignCurrency	-9200000	USD
CY2021Q2	us-gaap	Debt Securities Trading Realized Gain Loss DebtSecuritiesTradingRealizedGainLoss	1700000	USD
CY2020Q2	us-gaap	Debt Securities Trading Realized Gain Loss DebtSecuritiesTradingRealizedGainLoss	39800000	USD
	us-gaap	Debt Securities Trading Realized Gain Loss DebtSecuritiesTradingRealizedGainLoss	8100000	USD
	us-gaap	Debt Securities Trading Realized Gain Loss DebtSecuritiesTradingRealizedGainLoss	39100000	USD
CY2021Q2	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	-400000	USD
CY2020Q2	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	0	USD
	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	0	USD
	us-gaap	Equity Securities Fv Ni Realized Gain Loss EquitySecuritiesFvNiRealizedGainLoss	0	USD
CY2021Q2	spnt	Gain Loss On Sale Of Other Long Term Investments GainLossOnSaleOfOtherLongTermInvestments	700000	USD
CY2020Q2	spnt	Gain Loss On Sale Of Other Long Term Investments GainLossOnSaleOfOtherLongTermInvestments	0	USD
	spnt	Gain Loss On Sale Of Other Long Term Investments GainLossOnSaleOfOtherLongTermInvestments	10700000	USD
	spnt	Gain Loss On Sale Of Other Long Term Investments GainLossOnSaleOfOtherLongTermInvestments	0	USD
CY2021Q2	spnt	Cash And Cash Equivalents Realized Gain Loss CashAndCashEquivalentsRealizedGainLoss	-3600000	USD
CY2020Q2	spnt	Cash And Cash Equivalents Realized Gain Loss CashAndCashEquivalentsRealizedGainLoss	0	USD
	spnt	Cash And Cash Equivalents Realized Gain Loss CashAndCashEquivalentsRealizedGainLoss	-1300000	USD
	spnt	Cash And Cash Equivalents Realized Gain Loss CashAndCashEquivalentsRealizedGainLoss	1800000	USD
CY2021Q2	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	-1600000	USD
CY2020Q2	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	39800000	USD
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	17500000	USD
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	40900000	USD
CY2021Q2	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	8700000	USD
CY2020Q2	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	-3300000	USD
	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	-8300000	USD
	us-gaap	Debt Securities Trading Unrealized Gain Loss DebtSecuritiesTradingUnrealizedGainLoss	16000000.0	USD
CY2021Q2	spnt	Other Short Term Investments Unrealized Gain Loss OtherShortTermInvestmentsUnrealizedGainLoss	500000	USD
CY2020Q2	spnt	Other Short Term Investments Unrealized Gain Loss OtherShortTermInvestmentsUnrealizedGainLoss	0	USD
	spnt	Other Short Term Investments Unrealized Gain Loss OtherShortTermInvestmentsUnrealizedGainLoss	200000	USD
	spnt	Other Short Term Investments Unrealized Gain Loss OtherShortTermInvestmentsUnrealizedGainLoss	0	USD
CY2021Q2	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	200000	USD
CY2020Q2	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	0	USD
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	0	USD
	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	0	USD
CY2021Q2	spnt	Other Long Term Investments Unrealized Gain Loss OtherLongTermInvestmentsUnrealizedGainLoss	9800000	USD
CY2020Q2	spnt	Other Long Term Investments Unrealized Gain Loss OtherLongTermInvestmentsUnrealizedGainLoss	0	USD
	spnt	Other Long Term Investments Unrealized Gain Loss OtherLongTermInvestmentsUnrealizedGainLoss	48600000	USD
	spnt	Other Long Term Investments Unrealized Gain Loss OtherLongTermInvestmentsUnrealizedGainLoss	0	USD
CY2021Q2	spnt	Cash And Cash Equivalents Unrealized Gain Loss CashAndCashEquivalentsUnrealizedGainLoss	6200000	USD
CY2020Q2	spnt	Cash And Cash Equivalents Unrealized Gain Loss CashAndCashEquivalentsUnrealizedGainLoss	-500000	USD
	spnt	Cash And Cash Equivalents Unrealized Gain Loss CashAndCashEquivalentsUnrealizedGainLoss	-2700000	USD
	spnt	Cash And Cash Equivalents Unrealized Gain Loss CashAndCashEquivalentsUnrealizedGainLoss	-9300000	USD
CY2021Q2	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	25500000	USD
CY2020Q2	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-3800000	USD
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	37900000	USD
	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	6700000	USD
CY2021Q1	spnt	Number Of Operating Subsidiaries NumberOfOperatingSubsidiaries	1	subsidiary
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9600000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	19400000	USD
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3300000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3700000	USD
CY2021Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	79700000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	221900000	USD
CY2020Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	127300000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-55900000	USD
CY2021Q2	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.120
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.087
CY2020	us-gaap	Tax Cuts And Jobs Act Of2017 Income Tax Expense Benefit TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefit	0	USD
	us-gaap	Tax Cuts And Jobs Act Of2017 Income Tax Expense Benefit TaxCutsAndJobsActOf2017IncomeTaxExpenseBenefit	0	USD
CY2021Q2	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	26100000	USD
CY2021Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3200000	USD
CY2021Q2	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	2500000	USD
CY2021Q2	spnt	Unrecognized Tax Benefits That Would Not Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldNotImpactEffectiveTaxRate	700000	USD
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	95582733	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	94225498	shares
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	220000	shares
	us-gaap	Stock Issued During Period Shares Acquisitions StockIssuedDuringPeriodSharesAcquisitions	58331196	shares
	us-gaap	Stock Issued During Period Shares Acquisitions StockIssuedDuringPeriodSharesAcquisitions	0	shares
	spnt	Stock Issued During Period Shares Related Party StockIssuedDuringPeriodSharesRelatedParty	6093842	shares
	spnt	Stock Issued During Period Shares Related Party StockIssuedDuringPeriodSharesRelatedParty	0	shares
CY2021Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	161945750	shares
CY2020Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	94920203	shares
CY2021Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	300000000	shares
CY2021Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.10
CY2021Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	7000000.0	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	9300000	USD
CY2020Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1600000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	3200000	USD
CY2021Q2	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	53000000.0	USD
CY2020Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	14200000	USD
	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y8M12D
CY2020	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y10M24D
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	8255810	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	13.45
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	2772215	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	10.69
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	220000	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	10.00
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	10808025	shares
CY2021Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	12.81
CY2021Q2	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	10808025	shares
CY2021Q2	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	12.81
	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2	P1Y9M18D
CY2021Q2	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	9819663	shares
CY2021Q2	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	12.87
CY2021Q1	us-gaap	Minority Interest MinorityInterest	1800000	USD
CY2020Q4	us-gaap	Minority Interest MinorityInterest	1400000	USD
CY2021Q2	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	0	USD
	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	300000	USD
CY2021Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1600000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1600000	USD
CY2021Q2	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	100000	USD
	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	0	USD
CY2021Q2	us-gaap	Minority Interest MinorityInterest	3300000	USD
CY2021Q2	us-gaap	Minority Interest MinorityInterest	3300000	USD
CY2021Q2	spnt	Variable Interest Entity Reporting Entity Involvement Maximum Loss Exposure On Balance Sheet Amount VariableInterestEntityReportingEntityInvolvementMaximumLossExposureOnBalanceSheetAmount	212300000	USD
CY2021Q2	spnt	Variable Interest Entity Reporting Entity Involvement Maximum Loss Exposure Off Balance Sheet Amount VariableInterestEntityReportingEntityInvolvementMaximumLossExposureOffBalanceSheetAmount	2300000	USD
CY2021Q2	us-gaap	Variable Interest Entity Entity Maximum Loss Exposure Amount VariableInterestEntityEntityMaximumLossExposureAmount	214600000	USD
CY2021Q2	us-gaap	Other Long Term Investments OtherLongTermInvestments	463700000	USD
CY2020Q4	us-gaap	Other Long Term Investments OtherLongTermInvestments	4000000.0	USD
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	158832629	shares
CY2020Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	92593599	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	137912915	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	92392718	shares
CY2021Q2	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	160075	shares
CY2020Q2	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	163255	shares
	us-gaap	Incremental Common Shares Attributable To Call Options And Warrants IncrementalCommonSharesAttributableToCallOptionsAndWarrants	0	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	160894216	shares
CY2020Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	92738293	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	139561196	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	92392718	shares
CY2021Q2	us-gaap	Undistributed Earnings UndistributedEarnings	64500000	USD
CY2020Q2	us-gaap	Undistributed Earnings UndistributedEarnings	124000000.0	USD
	us-gaap	Undistributed Earnings UndistributedEarnings	195400000	USD
	us-gaap	Undistributed Earnings UndistributedEarnings	-59600000	USD
CY2021Q2	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	5400000	USD
CY2020Q2	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	700000	USD
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	13500000	USD
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	0	USD
CY2021Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	59100000	USD
CY2020Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	123300000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	181900000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-59600000	USD
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.37
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.33
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.32
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.65
CY2021Q2	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	64500000	USD
CY2020Q2	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	124000000.0	USD
	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	195400000	USD
	us-gaap	Undistributed Earnings Diluted UndistributedEarningsDiluted	-59600000	USD
CY2021Q2	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	5400000	USD
CY2020Q2	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	700000	USD
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	13500000	USD
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Diluted UndistributedEarningsLossAllocatedToParticipatingSecuritiesDiluted	0	USD
CY2021Q2	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	59100000	USD
CY2020Q2	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	123300000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	181900000	USD
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-59600000	USD
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.37
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.33
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.30
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.65
CY2020Q2	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	3741266	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	5214310	shares
CY2021Q2	us-gaap	Due From Affiliates DueFromAffiliates	46000000.0	USD
CY2021Q2	us-gaap	Due To Affiliate Current And Noncurrent DueToAffiliateCurrentAndNoncurrent	0	USD
CY2021Q2	us-gaap	Related Party Transaction Expenses From Transactions With Related Party RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty	16000000.0	USD
CY2020Q2	us-gaap	Related Party Transaction Expenses From Transactions With Related Party RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty	3200000	USD
	us-gaap	Related Party Transaction Expenses From Transactions With Related Party RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty	58200000	USD
	us-gaap	Related Party Transaction Expenses From Transactions With Related Party RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty	7000000.0	USD
CY2021Q2	us-gaap	Lease Cost LeaseCost	3300000	USD
	us-gaap	Lease Cost LeaseCost	4500000	USD
CY2020Q2	us-gaap	Lease Cost LeaseCost	200000	USD
	us-gaap	Lease Cost LeaseCost	400000	USD
CY2021Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	17300000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	800000	USD
CY2021Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	23000000.0	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	800000	USD
CY2021Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	17300000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	800000	USD
CY2021Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	23000000.0	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	800000	USD
CY2021Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P2Y9M18D
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P1Y
CY2021Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.033
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.070
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	5500000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	9300000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	5800000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	2400000	USD
CY2021Q2	spnt	Lessee Operating Lease Liability To Be Paid Due After Year Three LesseeOperatingLeaseLiabilityToBePaidDueAfterYearThree	1200000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	24200000	USD
CY2021Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1200000	USD
CY2021Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	23000000.0	USD

Files In Submission

Name	View Source	Status
0001576018-21-000163-index-headers.html	Edgar Link	pending
0001576018-21-000163-index.html	Edgar Link	pending
0001576018-21-000163.txt	Edgar Link	pending
0001576018-21-000163-xbrl.zip	Edgar Link	pending
exhibit311063021.htm	Edgar Link	pending
exhibit312063021.htm	Edgar Link	pending
exhibit321063021.htm	Edgar Link	pending
exhibit322063021.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
ltiawardperformancevesting.htm	Edgar Link	pending
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rsaawardpriorperformancecy.htm	Edgar Link	pending
scheduleofsignatoriestothe.htm	Edgar Link	pending
seriesbpreferred-sidelette.htm	Edgar Link	pending
Show.js	Edgar Link	pending
spnt-20210630.htm	Edgar Link	pending
spnt-20210630.xsd	Edgar Link	pending
spnt-20210630_cal.xml	Edgar Link	unprocessable
spnt-20210630_def.xml	Edgar Link	unprocessable
spnt-20210630_htm.xml	Edgar Link	completed
spnt-20210630_lab.xml	Edgar Link	unprocessable
spnt-20210630_pre.xml	Edgar Link	unprocessable

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$SPNT
SiriusPoint Ltd Stock $spnt

2021 Q2 Form 10-Q Financial Statement

#000157601821000163 Filed on August 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SPNT SiriusPoint Ltd Stock $spnt

2021 Q2 Form 10-Q Financial Statement

#000157601821000163 Filed on August 05, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$SPNT
SiriusPoint Ltd Stock $spnt