$ROOT
Root, Inc. Stock $root

$root Overview Financials Valuation SEC Filings Company Website

2021 Q3 Form 10-Q Financial Statement

#000178888221000082 Filed on November 10, 2021

Income Statement

Concept	2021 Q3	2020 Q3	2020 Q2
Revenue	$93.80M	$50.50M	$121.4M
YoY Change	85.74%	-36.56%	93.62%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin	$92.80M	$53.50M	$28.70M
YoY Change	73.46%	23.27%	-9.46%
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$3.800M	$5.000M	$7.100M
YoY Change	-24.0%		1320.0%
% of Gross Profit
Operating Expenses	$220.7M	$116.2M	$152.6M
YoY Change	89.93%	-30.21%	41.82%
Operating Profit	-$126.9M	-$65.70M	-$31.20M
YoY Change	93.15%
Interest Expense	$6.100M	$19.50M	$7.700M
YoY Change	-68.72%	46.62%	220.83%
% of Operating Profit
Other Income/Expense, Net		$13.70M	$2.400M
YoY Change
Pretax Income	-$133.0M	-$85.20M	-$38.90M
YoY Change	56.1%	-14.97%	-17.76%
Income Tax	$0.00	$0.00	$0.00
% Of Pretax Income
Net Earnings	-$133.0M	-$85.20M	-$38.90M
YoY Change	56.1%	-14.97%	-17.76%
Net Earnings / Revenue	-141.79%	-168.71%	-32.04%
Basic Earnings Per Share	-$0.53	-$2.20	-$1.03
Diluted Earnings Per Share	-$0.53	-$2.20	-$1.03
COMMON SHARES
Basic Shares Outstanding	250.2M shares	38.80M shares	37.90M shares
Diluted Shares Outstanding	250.2M shares	38.80M shares	37.90M shares

Balance Sheet

Concept	2021 Q3	2020 Q3	2020 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$834.1M	$220.3M
YoY Change	278.62%
Cash & Equivalents	$834.1M	$217.8M	$241.9M
Short-Term Investments	$0.00	$2.500M
Other Short-Term Assets	$114.7M	$119.1M	$40.80M
YoY Change	-3.69%
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$114.7M	$119.1M	$40.80M
YoY Change	-3.69%
LONG-TERM ASSETS
Property, Plant & Equipment	$9.000M	$9.600M	$10.20M
YoY Change	-6.25%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$132.1M	$222.0M	$215.2M
YoY Change	-40.5%
Other Assets	$1.000M	$3.500M	$8.200M
YoY Change	-71.43%
Total Long-Term Assets	$1.410B	$719.4M	$666.0M
YoY Change	95.97%
TOTAL ASSETS
Total Short-Term Assets	$114.7M	$119.1M	$40.80M
Total Long-Term Assets	$1.410B	$719.4M	$666.0M
Total Assets	$1.525B	$838.5M	$706.8M
YoY Change	81.81%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$41.50M	$61.50M	$29.70M
YoY Change	-32.52%
Accrued Expenses	$14.70M
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$56.20M	$61.50M	$29.70M
YoY Change	-8.62%
LONG-TERM LIABILITIES
Long-Term Debt	$201.7M	$220.0M	$190.1M
YoY Change	-8.32%
Other Long-Term Liabilities	$30.00M	$10.20M	$7.800M
YoY Change	194.12%
Total Long-Term Liabilities	$231.7M	$230.2M	$197.9M
YoY Change	0.65%
TOTAL LIABILITIES
Total Short-Term Liabilities	$56.20M	$61.50M	$29.70M
Total Long-Term Liabilities	$231.7M	$230.2M	$197.9M
Total Liabilities	$888.5M	$848.5M	$633.6M
YoY Change	4.71%
SHAREHOLDERS EQUITY
Retained Earnings	-$1.159B	-$614.7M
YoY Change	88.58%
Common Stock		$0.00
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)	$800.0K	$800.0K
YoY Change	0.0%
Treasury Stock Shares
Shareholders Equity	$636.0M	-$570.4M	-$487.2M
YoY Change
Total Liabilities & Shareholders Equity	$1.525B	$838.5M	$706.8M
YoY Change	81.81%

Cashflow Statement

Concept	2021 Q3	2020 Q3	2020 Q2
OPERATING ACTIVITIES
Net Income	-$133.0M	-$85.20M	-$38.90M
YoY Change	56.1%	-14.97%	-17.76%
Depreciation, Depletion And Amortization	$3.800M	$5.000M	$7.100M
YoY Change	-24.0%		1320.0%
Cash From Operating Activities	-$137.8M	-$32.40M	-$62.40M
YoY Change	325.31%		64.21%
INVESTING ACTIVITIES
Capital Expenditures	-$2.400M	-$1.700M	-$3.900M
YoY Change	41.18%		-27.78%
Acquisitions
YoY Change
Other Investing Activities	$3.100M	-$2.100M	-$95.40M
YoY Change	-247.62%		137.31%
Cash From Investing Activities	$700.0K	-$3.800M	-$99.30M
YoY Change	-118.42%		117.76%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-1.900M	13.10M	-13.00M
YoY Change	-114.5%		-114.02%
NET CHANGE
Cash From Operating Activities	-137.8M	-32.40M	-62.40M
Cash From Investing Activities	700.0K	-3.800M	-99.30M
Cash From Financing Activities	-1.900M	13.10M	-13.00M
Net Change In Cash	-139.0M	-23.10M	-174.7M
YoY Change	501.73%		-2019.78%
FREE CASH FLOW
Cash From Operating Activities	-$137.8M	-$32.40M	-$62.40M
Capital Expenditures	-$2.400M	-$1.700M	-$3.900M
Free Cash Flow	-$135.4M	-$30.70M	-$58.50M
YoY Change	341.04%		79.45%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Entity Central Index Key EntityCentralIndexKey	0001788882
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021Q3	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherLiabilities
CY2021Q3	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2021-01-31#OtherAssets
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2021-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-39658
	dei	Entity Registrant Name EntityRegistrantName	ROOT, INC.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	84-2717903
	dei	Entity Address Address Line1 EntityAddressAddressLine1	80 E. Rich Street
	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 500
	dei	Entity Address City Or Town EntityAddressCityOrTown	Columbus
	dei	Entity Address State Or Province EntityAddressStateOrProvince	OH
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	43215
	dei	City Area Code CityAreaCode	866
	dei	Local Phone Number LocalPhoneNumber	980-9431
	dei	Security12b Title Security12bTitle	Class A common stock,$0.0001 par value per share
	dei	Trading Symbol TradingSymbol	ROOT
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	true
	dei	Entity Ex Transition Period EntityExTransitionPeriod	false
	dei	Entity Shell Company EntityShellCompany	false
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CY2021Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-500000	USD
CY2021Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	900000	USD
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions	-900000	USD
CY2021Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	7500000	USD
CY2021Q3	us-gaap	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	0	shares
CY2021Q3	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	0	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	636000000.0	USD
CY2020Q4	us-gaap	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	0	shares
CY2020Q4	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	0	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	1032400000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-411200000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-4000000.0	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-4000000.0	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	4300000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions	-200000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	14700000	USD
CY2021Q3	us-gaap	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	0	shares
CY2021Q3	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	0	USD
CY2021Q3	us-gaap	Stockholders Equity StockholdersEquity	636000000.0	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	-487200000	USD
CY2020Q2	us-gaap	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	161800000	shares
CY2020Q2	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	560400000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-85200000	USD
CY2020Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	100000	USD
CY2020Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	900000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions	200000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	800000	USD
CY2020Q3	us-gaap	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	161800000	shares
CY2020Q3	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	560400000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	-570400000	USD
CY2019Q4	us-gaap	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	158900000	shares
CY2019Q4	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	560400000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	-374000000.0	USD
	us-gaap	Net Income Loss NetIncomeLoss	-229700000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	5000000.0	USD
	root	Temporary Equity Shares Tender Offer TemporaryEquitySharesTenderOffer	2900000	shares
	root	Apic Tender Offer And Conversion Of Units Value APICTenderOfferAndConversionOfUnitsValue	25100000	USD
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1200000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation And Exercise Of Stock Options AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationAndExerciseOfStockOptions	300000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1900000	USD
	root	Stockholders Equity Value Settlement Of Related Party Loan StockholdersEquityValueSettlementOfRelatedPartyLoan	200000	USD
CY2020Q3	us-gaap	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	161800000	shares
CY2020Q3	us-gaap	Temporary Equity Carrying Amount Attributable To Parent TemporaryEquityCarryingAmountAttributableToParent	560400000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	-570400000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-411200000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-229700000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	14700000	USD
	us-gaap	Share Based Compensation ShareBasedCompensation	1900000	USD
	root	Share Based Payment Arrangement Noncash Expense Tender Offer ShareBasedPaymentArrangementNoncashExpenseTenderOffer	0	USD
	root	Share Based Payment Arrangement Noncash Expense Tender Offer ShareBasedPaymentArrangementNoncashExpenseTenderOffer	25100000	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	11000000.0	USD
	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	10600000	USD
	us-gaap	Premium Receivable Credit Loss Expense Reversal PremiumReceivableCreditLossExpenseReversal	14700000	USD
	us-gaap	Premium Receivable Credit Loss Expense Reversal PremiumReceivableCreditLossExpenseReversal	16700000	USD
	us-gaap	Fair Value Adjustment Of Warrants FairValueAdjustmentOfWarrants	0	USD
	us-gaap	Fair Value Adjustment Of Warrants FairValueAdjustmentOfWarrants	16000000.0	USD
	us-gaap	Paid In Kind Interest PaidInKindInterest	9300000	USD
	us-gaap	Paid In Kind Interest PaidInKindInterest	6800000	USD
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	2400000	USD
	us-gaap	Realized Investment Gains Losses RealizedInvestmentGainsLosses	200000	USD
	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	400000	USD
	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	0	USD
	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	60400000	USD
	us-gaap	Increase Decrease In Premiums Receivable IncreaseDecreaseInPremiumsReceivable	32400000	USD
	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	51600000	USD
	us-gaap	Increase Decrease In Reinsurance Recoverable IncreaseDecreaseInReinsuranceRecoverable	78800000	USD
	us-gaap	Increase Decrease In Prepaid Reinsurance Premiums IncreaseDecreaseInPrepaidReinsurancePremiums	1900000	USD
	us-gaap	Increase Decrease In Prepaid Reinsurance Premiums IncreaseDecreaseInPrepaidReinsurancePremiums	101700000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	1600000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	70200000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	8100000	USD
	us-gaap	Increase Decrease In Liability For Claims And Claims Adjustment Expense Reserve IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve	63500000	USD
	us-gaap	Increase Decrease In Liability For Claims And Claims Adjustment Expense Reserve IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve	84600000	USD
	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	53800000	USD
	us-gaap	Increase Decrease In Unearned Premiums IncreaseDecreaseInUnearnedPremiums	19700000	USD
	us-gaap	Increase Decrease In Reinsurance Payables IncreaseDecreaseInReinsurancePayables	-100000	USD
	us-gaap	Increase Decrease In Reinsurance Payables IncreaseDecreaseInReinsurancePayables	140700000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-7100000	USD
	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	31600000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	5400000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	2400000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-364300000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-94800000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	10400000	USD
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	138100000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	30600000	USD
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	31200000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	9400000	USD
	us-gaap	Payments To Develop Software PaymentsToDevelopSoftware	4800000	USD
	us-gaap	Payments To Develop Software PaymentsToDevelopSoftware	3900000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2300000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1700000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	83300000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-103100000	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	3000000.0	USD
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1400000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	200000	USD
	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	0	USD
	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	12100000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	700000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	13200000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	2300000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	100000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-278700000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-197800000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1113800000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	416600000	USD
CY2021Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	835100000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	218800000	USD
	us-gaap	Nature Of Operations NatureOfOperations	NATURE OF BUSINESSRoot, Inc. is a holding company which, directly or indirectly, maintains 100% ownership of each of its subsidiaries, including, among others, Root Insurance Company, an Ohio-domiciled insurance company; Root Property & Casualty Insurance Company, a Delaware-domiciled insurance company; and Root Reinsurance Company, Ltd., a Cayman Islands-domiciled reinsurance company together with Root, Inc. “we,” “us” or “our.” We were formed in 2015 and began writing personal auto insurance in July 2016. We are a technology company operating a primarily direct-to-consumer model with the majority of our personal insurance customers acquired through mobile applications. We offer auto and renters insurance products underwritten by Root Insurance Company and Root Property & Casualty Insurance Company.
CY2021Q3	us-gaap	Equity Method Investment Ownership Percentage EquityMethodInvestmentOwnershipPercentage	1
	us-gaap	Use Of Estimates UseOfEstimates	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Use of Estimates</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">—The preparation of the unaudited condensed consolidated financial statements requires management to make certain estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the unaudited condensed consolidated financial statements and the reported amounts of revenue and expenses during the reporting period. Actual results could differ from those estimates. Significant estimates reflected in our unaudited condensed consolidated financial statements include, but are not limited to, reserves for loss and loss adjustment expense, premium write-offs and valuation allowances for income taxes.</span>
CY2021Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	129200000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	2000000.0	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	400000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	130800000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	218400000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	5700000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	100000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	224000000.0	USD
CY2021Q3	us-gaap	Other Investments OtherInvestments	1300000	USD
CY2020Q4	us-gaap	Other Investments OtherInvestments	500000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	34900000	USD
CY2021Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	300000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	2300000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	100000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	37200000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	400000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	29600000	USD
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	100000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	0	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	29600000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	100000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	0	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	200000	USD
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	2500000	USD
	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	300000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	0	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	100000	USD
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	100000	USD
	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	100000	USD
CY2021Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	0	USD
CY2020Q3	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	100000	USD
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	2400000	USD
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	200000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	18100000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	17800000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	90100000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	91800000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	5000000.0	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	5000000.0	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	16000000.0	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	16200000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	129200000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	130800000	USD
CY2021Q3	us-gaap	Gross Investment Income Operating GrossInvestmentIncomeOperating	1200000	USD
CY2020Q3	us-gaap	Gross Investment Income Operating GrossInvestmentIncomeOperating	1200000	USD
	us-gaap	Gross Investment Income Operating GrossInvestmentIncomeOperating	3100000	USD
	us-gaap	Gross Investment Income Operating GrossInvestmentIncomeOperating	4600000	USD
CY2021Q3	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	200000	USD
CY2020Q3	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	100000	USD
	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	500000	USD
	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	300000	USD
CY2021Q3	us-gaap	Net Investment Income NetInvestmentIncome	1000000.0	USD
CY2020Q3	us-gaap	Net Investment Income NetInvestmentIncome	1100000	USD
	us-gaap	Net Investment Income NetInvestmentIncome	2600000	USD
	us-gaap	Net Investment Income NetInvestmentIncome	4300000	USD
CY2021Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	129200000	USD
CY2021Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	130800000	USD
	us-gaap	Concentration Risk Percentage1 ConcentrationRiskPercentage1	1.000
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	218400000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	224000000.0	USD
CY2020	us-gaap	Concentration Risk Percentage1 ConcentrationRiskPercentage1	1.000
CY2021Q3	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	208700000	USD
CY2021Q3	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	339500000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	568400000	USD
CY2020Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	792400000	USD
	us-gaap	Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense	<div style="margin-bottom:9pt;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The following provides a reconciliation of the beginning and ending reserve balances for loss and LAE, net of reinsurance:</span></div><div style="margin-bottom:12pt;text-align:justify"><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:70.374%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.842%"/><td style="width:0.1%"/><td style="width:0.1%"/><td style="width:0.441%"/><td style="width:0.1%"/><td style="width:1.0%"/><td style="width:12.843%"/><td style="width:0.1%"/></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Nine Months Ended September 30,</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="3" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">2021</span></td><td colspan="3" style="border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="border-bottom:1pt solid #000;border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">2020</span></td></tr><tr><td colspan="3" style="padding:0 1pt"/><td colspan="9" style="border-top:1pt solid #000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">(dollars in millions)</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Gross loss and LAE reserves, January 1</span></td><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">237.2 </span></td><td style="background-color:#cceeff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#cceeff;padding:0 1pt"/><td style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#cceeff;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">140.7 </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:10pt;font-weight:400;line-height:100%">Reinsurance recoverable on unpaid losses</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(79.6)</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:10pt;font-weight:400;line-height:100%">(18.9)</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:10pt;font-weight:400;line-height:100%">Net loss and LAE reserves, January 1</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:10pt;font-weight:400;line-height:100%">157.6 </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:10pt;font-weight:400;line-height:100%">121.8 </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:10pt;font-weight:400;line-height:100%">Net incurred loss and LAE related to:</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Current year</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">293.8 </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:10pt;font-weight:400;line-height:100%">282.0 </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 2px 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Prior years</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(9.3)</span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">21.3 </span></td><td style="background-color:#ffffff;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total incurred</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:10pt;font-weight:400;line-height:100%">284.5 </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:10pt;font-weight:400;line-height:100%">303.3 </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:10pt;font-weight:400;line-height:100%">Net paid loss and LAE related to:</span></td><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;padding:0 1pt"/><td colspan="3" style="background-color:#ffffff;border-top:1pt solid #000;padding:0 1pt"/></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Current year</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">150.4 </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="3" style="background-color:#cceeff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">165.8</span></td></tr><tr><td colspan="3" style="background-color:#ffffff;padding:2px 1pt 2px 7pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Prior years</span></td><td colspan="2" style="background-color:#ffffff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">72.6 </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="3" style="background-color:#ffffff;padding:2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">100.4</span></td></tr><tr><td colspan="3" style="background-color:#cceeff;padding:2px 1pt 2px 13pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Total paid</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:10pt;font-weight:400;line-height:100%">223.0 </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:10pt;font-weight:400;line-height:100%">266.2 </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"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Net loss and LAE reserves, September 30</span></div></td><td colspan="2" style="background-color:#ffffff;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">219.1 </span></td><td style="background-color:#ffffff;border-top:1pt solid #000;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 #000;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">158.9 </span></td><td style="background-color:#ffffff;border-top:1pt solid #000;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:10pt;font-weight:400;line-height:100%">Plus reinsurance recoverable on unpaid losses</span></td><td colspan="2" style="background-color:#cceeff;padding:2px 0 2px 1pt;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">81.6 </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:10pt;font-weight:400;line-height:100%">66.4 </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"><div><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Gross loss and LAE reserves, September 30</span></div></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">300.7 </span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;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 #000;border-top:1pt solid #000;padding:2px 0 2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">$</span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 0;text-align:right;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">225.3 </span></td><td style="background-color:#ffffff;border-bottom:3pt double #000;border-top:1pt solid #000;padding:2px 1pt 2px 0;text-align:right;vertical-align:bottom"/></tr></table></div>
CY2020Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	237200000	USD
CY2019Q4	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	140700000	USD
CY2020Q4	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	79600000	USD
CY2019Q4	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	18900000	USD
CY2020Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	157600000	USD
CY2019Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	121800000	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	293800000	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense	282000000.0	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-9300000	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	21300000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	284500000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	303300000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	150400000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1	165800000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	72600000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1	100400000	USD
	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	223000000.0	USD
	us-gaap	Payments For Losses And Loss Adjustment Expense PaymentsForLossesAndLossAdjustmentExpense	266200000	USD
CY2021Q3	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	219100000	USD
CY2020Q3	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	158900000	USD
CY2021Q3	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	81600000	USD
CY2020Q3	us-gaap	Reinsurance Recoverable For Unpaid Claims And Claims Adjustments ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments	66400000	USD
CY2021Q3	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	300700000	USD
CY2020Q3	us-gaap	Liability For Claims And Claims Adjustment Expense LiabilityForClaimsAndClaimsAdjustmentExpense	225300000	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	-9300000	USD
	us-gaap	Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense	21300000	USD
CY2021Q3	us-gaap	Direct Premiums Written DirectPremiumsWritten	197000000.0	USD
CY2020Q3	us-gaap	Direct Premiums Written DirectPremiumsWritten	164600000	USD
	us-gaap	Direct Premiums Written DirectPremiumsWritten	576600000	USD
	us-gaap	Direct Premiums Written DirectPremiumsWritten	471100000	USD
CY2021Q3	us-gaap	Assumed Premiums Written AssumedPremiumsWritten	7600000	USD
CY2020Q3	us-gaap	Assumed Premiums Written AssumedPremiumsWritten	0	USD
	us-gaap	Assumed Premiums Written AssumedPremiumsWritten	7600000	USD
	us-gaap	Assumed Premiums Written AssumedPremiumsWritten	0	USD
CY2021Q3	us-gaap	Ceded Premiums Written CededPremiumsWritten	107500000	USD
CY2020Q3	us-gaap	Ceded Premiums Written CededPremiumsWritten	189100000	USD
	us-gaap	Ceded Premiums Written CededPremiumsWritten	306800000	USD
	us-gaap	Ceded Premiums Written CededPremiumsWritten	274700000	USD
CY2021Q3	us-gaap	Premiums Written Net PremiumsWrittenNet	97100000	USD
CY2020Q3	us-gaap	Premiums Written Net PremiumsWrittenNet	-24500000	USD
	us-gaap	Premiums Written Net PremiumsWrittenNet	277400000	USD
CY2021Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.108
	us-gaap	Premiums Written Net PremiumsWrittenNet	196400000	USD
CY2021Q3	us-gaap	Direct Premiums Earned DirectPremiumsEarned	188500000	USD
CY2020Q3	us-gaap	Direct Premiums Earned DirectPremiumsEarned	154400000	USD
	us-gaap	Direct Premiums Earned DirectPremiumsEarned	529400000	USD
	us-gaap	Direct Premiums Earned DirectPremiumsEarned	450200000	USD
CY2021Q3	us-gaap	Assumed Premiums Earned AssumedPremiumsEarned	900000	USD
CY2020Q3	us-gaap	Assumed Premiums Earned AssumedPremiumsEarned	0	USD
	us-gaap	Assumed Premiums Earned AssumedPremiumsEarned	900000	USD
	us-gaap	Assumed Premiums Earned AssumedPremiumsEarned	0	USD
CY2021Q3	us-gaap	Ceded Premiums Earned CededPremiumsEarned	104300000	USD
CY2020Q3	us-gaap	Ceded Premiums Earned CededPremiumsEarned	109500000	USD
	us-gaap	Ceded Premiums Earned CededPremiumsEarned	304900000	USD
	us-gaap	Ceded Premiums Earned CededPremiumsEarned	171800000	USD
CY2021Q3	us-gaap	Premiums Earned Net PremiumsEarnedNet	85100000	USD
CY2020Q3	us-gaap	Premiums Earned Net PremiumsEarnedNet	44900000	USD
	us-gaap	Premiums Earned Net PremiumsEarnedNet	225400000	USD
	us-gaap	Premiums Earned Net PremiumsEarnedNet	278400000	USD
CY2021Q3	root	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Gross LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsGross	193700000	USD
CY2020Q3	root	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Gross LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsGross	153900000	USD
	root	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Gross LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsGross	504600000	USD
	root	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Gross LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsGross	422900000	USD
CY2021Q3	root	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Assumed LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAssumed	1900000	USD
CY2020Q3	root	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Assumed LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAssumed	0	USD
	root	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Assumed LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAssumed	1900000	USD
	root	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Assumed LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAssumed	0	USD
CY2021Q3	root	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Ceded LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsCeded	81200000	USD
CY2020Q3	root	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Ceded LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsCeded	77800000	USD
	root	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Ceded LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsCeded	222000000.0	USD
	root	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Ceded LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsCeded	119600000	USD
CY2021Q3	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	114400000	USD
CY2020Q3	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	76100000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	284500000	USD
	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1 LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1	303300000	USD
CY2021Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P4Y7M6D
CY2021Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	14700000	USD
CY2021Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	9000000.0	USD
CY2021Q3	us-gaap	Operating Lease Cost OperatingLeaseCost	800000	USD
	us-gaap	Operating Lease Cost OperatingLeaseCost	2300000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	1800000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	1000000.0	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	4300000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	4400000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	4300000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1500000	USD
CY2021Q3	root	Lessee Operating Lease Liability Payments Due After Year Four LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour	3100000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	18600000	USD
CY2021Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	3900000	USD
CY2021Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	14700000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	3900000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	4400000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	4400000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	4300000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	1500000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	3100000	USD
CY2020Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	21600000	USD
CY2021Q3	us-gaap	Paid In Kind Interest PaidInKindInterest	3500000	USD
CY2020Q3	us-gaap	Paid In Kind Interest PaidInKindInterest	2300000	USD
	us-gaap	Paid In Kind Interest PaidInKindInterest	9300000	USD
	us-gaap	Paid In Kind Interest PaidInKindInterest	6800000	USD
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
CY2020Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
CY2021Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0
	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2021Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	7500000	USD
CY2020Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	800000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	14700000	USD
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	137700000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	10.82
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	2400000	shares
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	27000000.0	USD
CY2021Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	7500000	USD
CY2020Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	800000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	14700000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	27000000.0	USD
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	10400000	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	2.39
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P7Y9M
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P7Y9M
CY2020Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	137700000	USD
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	1.88
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	23400000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	1000000.0	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	4710000
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	7000000.0	shares
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	7000000.0	shares
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	2.28
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P6Y11M4D
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y11M4D
CY2021Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	23700000	USD
CY2021Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	23700000	USD
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	-133000000.0	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-85200000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-411200000	USD
	us-gaap	Net Income Loss NetIncomeLoss	-229700000	USD
CY2021Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	250200000	shares
CY2021Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	250200000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	38800000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	38800000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	248800000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	248800000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	38700000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	38700000	shares
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.53
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.53
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.20
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.20
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.65
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.65
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-5.94
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-5.94
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	17700000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	179400000	shares
CY2021Q3	us-gaap	Premiums Written Gross PremiumsWrittenGross	204600000	USD
CY2020Q3	us-gaap	Premiums Written Gross PremiumsWrittenGross	164600000	USD
	us-gaap	Premiums Written Gross PremiumsWrittenGross	584200000	USD
	us-gaap	Premiums Written Gross PremiumsWrittenGross	471100000	USD

Files In Submission

Name	View Source	Status
0001788882-21-000082-index-headers.html	Edgar Link	pending
0001788882-21-000082-index.html	Edgar Link	pending
0001788882-21-000082.txt	Edgar Link	pending
0001788882-21-000082-xbrl.zip	Edgar Link	pending
a105root-thirdamendmentexe.htm	Edgar Link	pending
a311certificationofprincip.htm	Edgar Link	pending
a312certificationofprincip.htm	Edgar Link	pending
a321certificationofprincip.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
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R40.htm	Edgar Link	pending
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R5.htm	Edgar Link	pending
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R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
root-20210930.htm	Edgar Link	pending
root-20210930.xsd	Edgar Link	pending
root-20210930_cal.xml	Edgar Link	unprocessable
root-20210930_def.xml	Edgar Link	unprocessable
root-20210930_htm.xml	Edgar Link	completed
root-20210930_lab.xml	Edgar Link	unprocessable
root-20210930_pre.xml	Edgar Link	unprocessable
Show.js	Edgar Link	pending

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$ROOT
Root, Inc. Stock $root

2021 Q3 Form 10-Q Financial Statement

#000178888221000082 Filed on November 10, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ROOT Root, Inc. Stock $root

2021 Q3 Form 10-Q Financial Statement

#000178888221000082 Filed on November 10, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$ROOT
Root, Inc. Stock $root