Other comprehensive (loss) income of subsidiaries Other Comprehensive Income (Loss) From Subsidiaries, Net Of Tax Other Comprehensive Income (Loss) From Subsidiaries, Net Of Tax Due five years through 10 years, amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Supplemental disclosures: Supplemental Cash Flow Information [Abstract] Change in net unrealized gains on investment: AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member] Letter of Credit Letter of Credit [Member] Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period State Current State and Local Tax Expense (Benefit) Leasehold improvements Leasehold Improvements [Member] Consolidated Entities [Axis] Consolidated Entities [Axis] Amount Effective Income Tax Rate Reconciliation, Amount [Abstract] Short-term investments (amortized cost: zero and $3.0 at December 31, 2021 and December 31, 2020, respectively) Debt Securities, Available-for-sale, Current Preferred stock, outstanding (in shares) Preferred Stock, Shares Outstanding Internally developed software Deferred Tax Liabilities, Deferred Expense, Capitalized Software Security Exchange Name Security Exchange Name Direct Direct Premiums Earned Excess ceding commission Deferred Tax Asset , Excess Ceding Commission Deferred Tax Asset , Excess Ceding Commission Forfeited, expired or canceled, weighted-average grant date fair value (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Premium Write-offs Premiums Receivable, Basis of Accounting, Policy [Policy Text Block] Weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Investment, Name [Axis] Investment, Name [Axis] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Shares available for issuance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Warrants to purchase common stock Warrants To Purchase Common Stock [Member] Warrants To Purchase Common Stock Net (decrease) increase in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Incurred Losses and ALAE—Net of Reinsurance Short-duration Insurance Contracts, Incurred Claims and Allocated Claim Adjustment Expense, Net Expected volatility rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Exercised, aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Exercise price range, min (in dollars per share) Share-based Payment Arrangement, Option, Exercise Price Range, Lower Range Limit Charged to costs and expenses SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Cost and Expense Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Long Term Warrant Long Term Warrant [Member] Long Term Warrant Proceeds from sale of stock Proceeds from Issuance or Sale of Equity Net deferred tax asset Deferred Tax Assets, Net Anti-dilutive securities (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Weighted average discount rate ( in percent) Operating Lease, Weighted Average Discount Rate, Percent Sale of Stock [Axis] Sale of Stock [Axis] Reconciliation of claims development to liability Short-duration Insurance Contracts, Reconciliation of Claims Development to Liability [Table Text Block] Subsequent Events [Abstract] Subsequent Events [Abstract] Total deferred tax assets, less valuation allowance Deferred Tax Assets, Net of Valuation Allowance Cash, Cash Equivalents and Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Condensed Cash Flow Statement [Table] Condensed Cash Flow Statement [Table] Award Type [Domain] Award Type [Domain] Warrant compensation expense APIC, Share-based Payment Arrangement, Increase for Cost Recognition, Warrants APIC, Share-based Payment Arrangement, Increase for Cost Recognition, Warrants Tender offer and subsequent conversion (Note 11) (in shares) Temporary Equity, Shares, Tender Offer Temporary Equity, Shares, Tender Offer Conversion of redeemable convertible preferred stock to common stock from IPO Temporary Equity, Stock Issued During Period, Value, Conversion Of Preferred Stock Temporary Equity, Stock Issued During Period, Value, Conversion Of Preferred Stock Local Phone Number Local Phone Number Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Condensed Income Statement [Table] Condensed Income Statement [Table] Unearned premium reserves Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Unearned Premiums Reserve New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] Accumulated Loss Retained Earnings [Member] $0.01 - $1.00 Exercise Price Range One [Member] Exercise Price Range One Net operating loss carryforwards, not subject to expiration Operating Loss Carryforwards, Not Subject to Expiration Operating Loss Carryforwards, Not Subject to Expiration Conversion of redeemable convertible preferred stock to common stock from IPO Stock Issued During Period, Value, Conversion of Convertible Securities Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Transition adjustment AOCI Tax, Attributable to Parent Schedule of unrealized losses Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value [Table Text Block] 2026 and thereafter Purchase Obligation, to be Paid, after Year Four Purchase Obligation, to be Paid, after Year Four Intercompany receivable Intercompany Receivable Intercompany Receivable Credit Rating, Standard & Poor's [Axis] Credit Rating, Standard & Poor's [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Conversion of Class B to Class A common stock (in shares) Stock Issued During Period, Shares, Conversion Of Common Stock Stock Issued During Period, Shares, Conversion Of Common Stock Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Premiums Receivable Premiums Receivable, Allowance for Doubtful Accounts, Estimation Methodology, Policy [Policy Text Block] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Prior years Incurred losses and LAE attributable to prior accident years Prior Year Claims and Claims Adjustment Expense Loss per common share, basic (in dollars per share) Earnings Per Share, Basic Lease expense due to early termination Operating Lease, Expense Document Information [Line Items] Document Information [Line Items] Proceeds from issuance of convertible stock Proceeds from Issuance of Convertible Preferred Stock Intercompany, net Increase (Decrease) In Intercompany Assets And Liabilities, Net Increase (Decrease) In Intercompany Assets And Liabilities, Net Beginning balance (in shares) Ending balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Due after one year through five years, amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five Fronting fee percentage Line Of Credit Facility, Fronting Fee Percentage Line Of Credit Facility, Fronting Fee Percentage 2021 Short-Duration Insurance Contract, Accident Year 2021 [Member] Amortized Cost Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Amortized Cost [Abstract] Geographic Concentration Risk Geographic Concentration Risk [Member] Disallowed interest carryforward Deferred Tax Asset, Interest Carryforward Fair Value Measurement [Domain] Fair Value Measurement [Domain] Schedule V: Valuation and Qualifying Accounts SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Cumulative Effect, Period of Adoption, Adjustment Cumulative Effect, Period of Adoption, Adjustment [Member] Fixed assets Deferred Tax Liabilities, Property, Plant and Equipment Entity Voluntary Filers Entity Voluntary Filers Par value (in dollars per share) Temporary Equity, Par or Stated Value Per Share Plan Name [Axis] Plan Name [Axis] Assets Assets, Fair Value Disclosure [Abstract] Total Statutory Accounting Practices, Statutory Net Income Amount Long-term debt and warrants Long-term debt outstanding Total Long-term Debt Level 1 Fair Value, Inputs, Level 1 [Member] Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Other liabilities Other Liabilities Direct Direct Premiums Written Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] AA+, AA, AA-, A-1 Standard & Poor's, AA Plus, AA, AA Minus, A Minus One Rating [Member] Standard & Poor's, AA Plus, AA, AA Minus, A Minus One Rating Entity Small Business Entity Small Business Interest on deposits and cash equivalents Cash and Cash Equivalents [Member] Schedule of historical claims Short-duration Insurance Contracts, Schedule of Historical Claims Duration [Table Text Block] Additional paid-in capital Additional Paid in Capital Purchases of indefinite-lived intangible assets and transaction costs Payments For Asset Acquisitions Payments For Asset Acquisitions Impairment of intangible assets Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) Liabilities, Redeemable Convertible Preferred Stock and Stockholders’ Equity Liabilities and Equity [Abstract] Investment Income [Table] Investment Income [Table] Proceeds from issuance of common stock from IPO and concurrent private placements, net of issuance costs Proceeds from Issuance Initial Public Offering SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Table] Change in fair value of equity securities Equity Securities, FV-NI, Gain (Loss) Entity Interactive Data Current Entity Interactive Data Current Common stock—option exercises and restricted stock units vesting, net of shares withheld for employee taxes Stock Issued During Period, Value, Stock Options Exercised Realized gains on investments Debt Securities, Available-for-sale, Realized Gain AAA Standard & Poor's, AAA Rating [Member] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Direct Unearned Premiums Class of Warrant or Right [Line Items] Class of Warrant or Right [Line Items] Allowance for premium receivables SEC Schedule, 12-09, Allowance, Uncollectible Premium Receivable [Member] Income Tax Authority [Domain] Income Tax Authority [Domain] Gross deferred assets Deferred Tax Assets, Gross Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Gross Unrealized Gains Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax Entity Address, State or Province Entity Address, State or Province Amortization of deferred acquisition costs Deferred Policy Acquisition Costs, Amortization Expense Net realized gains on investments reclassified from AOCI to net loss Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent Gross Written Premiums Gross Written Premiums [Member] Gross Written Premiums General and administrative General and Administrative Expense Beginning balance (in shares) Ending balance (in shares) Shares, Outstanding Premiums receivable Increase (Decrease) in Premiums Receivable Accounting Policies [Abstract] Accounting Policies [Abstract] Outstanding, weighted-average remaining contractual term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Federal Current Federal Tax Expense (Benefit) Total lease liabilities Operating Lease, Liability Document Transition Report Document Transition Report Common stock Carry value Common Stock, Value, Issued Reported Claims Short-duration Insurance Contract, Cumulative Number of Reported Claims Remaining cost to be recognized Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Beginning balance, weighted-average grant date fair value (in dollars per shares) Ending balance, weighted-average grant date fair value (in dollars per shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value LEASES Lessee, Operating Leases [Text Block] Schedule of fair value of assets and liabilities Fair Value, by Balance Sheet Grouping [Table Text Block] Commercial mortgage backed securities Commercial Mortgage Backed Securities [Member] Other investments Other Investments 2023 Operating Leases, Future Minimum Payments, Due in Three Years ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Legal Entity [Axis] Legal Entity [Axis] Incremental Paid, Year 2 Short-duration Insurance Contracts, Historical Claims Duration, Year Two Fixed maturities Fixed Maturities [Member] Class of Stock [Axis] Class of Stock [Axis] Fee and Other Income Fee And Other Income, Policy [Policy Text Block] Fee And Other Income, Policy Income Tax Authority [Axis] Income Tax Authority [Axis] Net loss and LAE reserves, January 1 Net loss and LAE reserves Net loss and LAE reserves Liability for Unpaid Claims and Claims Adjustment Expense, Net Payment to acquire assets Payments to Acquire Productive Assets Amortized costs of special deposits Regulatory Asset Requirement, Special Deposits, Amortized Cost Regulatory Asset Requirement, Special Deposits, Amortized Cost Redeemable convertible preferred stock, $0.0001 par value, 14.1 and zero shares issued and outstanding at December 31, 2021 and December 31, 2020, respectively (liquidation preference of $126.5 and zero, respectively) (Note 10) Beginning balance Ending balance Carrying value Temporary Equity, Carrying Amount, Attributable to Parent Entity [Domain] Entity [Domain] Stock compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Premiums Earned Revenue Recognition, Premiums Earned, Policy [Policy Text Block] Fee income Fee Income Fee Income Amortization period Capitalized Computer Software, Amortization Period Capitalized Computer Software, Amortization Period Options Options to purchase common stock Share-based Payment Arrangement, Option [Member] Preferred stock and related warrants issuance costs Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Equity [Abstract] Equity [Abstract] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Less than 12 months, fair value Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months Variable Rate [Axis] Variable Rate [Axis] Other comprehensive (loss) income before reclassifications OCI, before Reclassifications, Net of Tax, Attributable to Parent Incremental Paid, Year 5 Short-duration Insurance Contracts, Historical Claims Duration, Year Five Tranche 4 Share Based Compensation Award Tranche Four Member [Member] Share Based Compensation Award Tranche Four Member Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-sale [Line Items] Due after one year through five years, fair value Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Document Fiscal Year Focus Document Fiscal Year Focus Variable Rate [Domain] Variable Rate [Domain] Additional Paid-In Capital Additional Paid-in Capital [Member] Technology and development Technology And Development Expense [Member] Technology And Development Expense $2.50 - $13.00 Exercise Price Range Three [Member] Exercise Price Range Three Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Accrued interest payable Interest Payable Shares issued (in shares) Class of Warrant or Right, Number of Securities Called by Warrants or Rights Losses and loss adjustment expenses reserves Increase (Decrease) in Liability for Claims and Claims Adjustment Expense Reserve Other Assets Other Assets [Member] Share-based compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount Additional warrant to purchase shares (in percent) Class of Warrant or Right,Additional Warrant To Purchase Shares, Percent Class of Warrant or Right,Additional Warrant To Purchase Shares, Percent Long-term debt Long-term Debt, Fair Value Other liabilities Increase (Decrease) in Other Operating Liabilities Maximum Maximum [Member] Share-based Payment Arrangement [Abstract] Share-based Payment Arrangement [Abstract] Percent Effective Income Tax Rate Reconciliation, Percent [Abstract] Term Loan A Term Loan A [Member] Term Loan A State net operating loss Effective Income Tax, Operating Loss Carryforwards, State And Local, Amount Effective Income Tax, Operating Loss Carryforwards, State And Local, Amount Award Type [Axis] Award Type [Axis] Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Schedule of future lease payments Lessee, Operating Lease, Liability, Maturity [Table Text Block] Total stockholders’ equity Beginning balance Ending balance Stockholders' Equity Attributable to Parent Purchases of treasury stock - non-cash Treasury Stock Acquired, Non-Cash Treasury Stock Acquired, Non-Cash City Area Code City Area Code Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Ceded Ceded Premiums Earned Schedule of supplemental disclosures Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Loss and loss adjustment expenses Liability For Claims And Claims Adjustment Expense [Member] Liability For Claims And Claims Adjustment Expense Term Loan B Term Loan B [Member] Term Loan B Conversion of debt to preferred stock - non-cash Conversion of debt to preferred stock - non-cash Debt Conversion, Converted Instrument, Amount Purchases of treasury stock Payments for Repurchase of Common Stock Useful life Property, Plant and Equipment, Useful Life Fair Value Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Fair Value [Abstract] Proceeds from SAFE Proceeds From Simple Agreement For Future Equity Proceeds From Simple Agreement For Future Equity Stockholders’ equity: Stockholders' Equity Attributable to Parent [Abstract] Accounting Standards Update [Axis] Accounting Standards Update [Axis] Other Certain RSUs 2 Other Certain Restricted Stock Units, 2 [Member] Other Certain Restricted Stock Units, 2 Total current Current Income Tax Expense (Benefit) Debt amount Debt Instrument, Face Amount Number of tranches Class Of Warrant Or Right, Number Of Tranches Class Of Warrant Or Right, Number Of Tranches Technology and development Research, Development, and Computer Software, Policy [Policy Text Block] Unused fee percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage RSUs Restricted stock units Restricted Stock Units (RSUs) [Member] Conversion of preferred stock to common stock - non-cash Conversion of Stock, Amount Converted Sales and Marketing General and Administrative Selling, General and Administrative Expenses, Policy [Policy Text Block] Charge to other accounts SEC Schedule, 12-09, Valuation Allowances and Reserves, Additions, Charge to Other Account Deferred tax liabilities Deferred Tax Liabilities, Gross Remaining lease term Lessee, Operating Lease, Remaining Lease Term Tranche 2 Share-based Payment Arrangement, Tranche Two [Member] Schedule of cash and cash equvalents Restrictions on Cash and Cash Equivalents [Table Text Block] Income Statement [Abstract] Income Statement [Abstract] Entity Registrant Name Entity Registrant Name Conversion price (usd per share) Preferred Stock, Convertible, Conversion Price Deductions SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction Schedule of direct premiums written Schedule of gross premiums written Effects of Reinsurance [Table Text Block] BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Basis of Presentation and Significant Accounting Policies [Text Block] Options outstanding, weighted-average exercise price (in dollars per share) Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price Warrants fair value adjustment Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Income tax expense Total income tax expense (benefit) Income Tax Expense (Benefit) Insurance [Abstract] Insurance [Abstract] 2017 Short-duration Insurance Contracts, Accident Year 2017 [Member] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Tax Identification Number Entity Tax Identification Number Voting rights Common Stock, Voting Rights, Votes Common Stock, Voting Rights, Votes Investment Type [Axis] Investment Type [Axis] Document Fiscal Period Focus Document Fiscal Period Focus Schedule of exercise price range Share-based Payment Arrangement, Option, Exercise Price Range [Table Text Block] Total future lease payments Lessee, Operating Lease, Liability, to be Paid Forfeited, expired or canceled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Valuation allowance on deferred tax assets Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Employee Share-Based Compensation Share-based Payment Arrangement [Policy Text Block] Warrants exercise Adjustments to Additional Paid in Capital, Warrant Issued 2025 Purchase Obligation, to be Paid, Year Four Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] Beginning balance Ending balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Unrecognized compensation cost, options Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount 2025 Operating Leases, Future Minimum Payments, Due in Five Years Assumed Liability for Claims and Claims Adjustment Expense, Loss And LAE Reserves, Assumed Liability for Claims and Claims Adjustment Expense, Loss And LAE Reserves, Assumed Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Schedule of cash and cash equivalents Schedule of Cash and Cash Equivalents [Table Text Block] Interest on bonds Bonds [Member] Share-based compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Percent Unrecognized compensation cost Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Equity Component [Domain] Equity Component [Domain] Amended Term Loan A Amended Term Loan A [Member] Amended Term Loan A 2022 Lessee, Operating Lease, Liability, to be Paid, Year One Other insurance expense (benefit) Other Insurance Expense (Income) Other Insurance Expense (Income) $1.00 - $2.50 Exercise Price Range Two [Member] Exercise Price Range Two Deferred tax assets: Components of Deferred Tax Assets [Abstract] Other income Other Income Fixed maturities available-for-sale, at fair value (amortized cost: $129.5 and $215.4 at December 31, 2021 and December 31, 2020, respectively) Debt Securities, Available-for-sale, Noncurrent Liabilities: Liabilities [Abstract] Valuation allowance on deferred tax assets Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Short-term investments Short-term Investments [Member] Counterparty Name [Domain] Counterparty Name [Domain] Retirement of treasury shares Retirement of treasury shares Treasury Stock, Retired, Cost Method, Amount 2025 Lessee, Operating Lease, Liability, to be Paid, Year Four Total Operating Leases, Future Minimum Payments Due Loss before income tax expense Loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Level 2 Fair Value, Inputs, Level 2 [Member] Accounting Standards Update [Domain] Accounting Standards Update [Domain] Auditor Location Auditor Location Total, fair value Debt Securities, Available-for-sale, Unrealized Loss Position Type of Restructuring [Domain] Type of Restructuring [Domain] Total Amortized cost Amortized Cost Debt Securities, Available-for-sale, Amortized Cost Amortized cost, fixed maturities Debt Securities, Available-for-sale, Amortized Cost, Noncurrent 2021 Operating Leases, Future Minimum Payments Due, Next Twelve Months Reinsurance premiums payable Increase (Decrease) in Reinsurance Payables Deferred compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits Use of Estimates Use of Estimates, Policy [Policy Text Block] Schedule of earnings per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Net operating loss carryforwards, subject to expiration Operating Loss Carryforwards, Subject to Expiration Operating Loss Carryforwards, Subject to Expiration Changes in other comprehensive income Net current period other comprehensive (loss) income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Premiums earned: Premiums Earned, Net [Abstract] Title of 12(b) Security Title of 12(b) Security Investment, Name [Domain] Investment, Name [Domain] Net realized gains on investments Realized Investment Gains (Losses) Common stock, shares authorized (in shares) Common Stock, Shares Authorized Carvana Carvana [Member] Carvana Document Type Document Type Summary of RSU activity Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Reconciliation of reserve balances for loss and LAE, net of reinsurance Schedule of Liability for Unpaid Claims and Claims Adjustment Expense [Table Text Block] Interest rate (in percent) Debt Instrument, Interest Rate, Stated Percentage Total Gross Investment Income, Operating Prepaid reinsurance premiums Ceded Prepaid Reinsurance Premiums Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Revolving Loan Revolving Credit Facility [Member] Valuation allowance for deferred tax assets SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member] Redeemable convertible preferred stock (as converted to common stock) Redeemable Convertible Preferred Stock [Member] Geographical [Axis] Geographical [Axis] Average daily amount fee percentage Line Of Credit Facility, Fee On Average Daily Amount, Percentage Line Of Credit Facility, Fee On Average Daily Amount, Percentage State State and Local Jurisdiction [Member] Price of stock sold (in dollars per share) Sale of Stock, Price Per Share Vesting [Domain] Vesting [Domain] Maximum amount of ceded commissions returned Ceded Commissions, Maximum Amount Due With Return Of Unpaid Premiums Ceded Commissions, Maximum Amount Due With Return Of Unpaid Premiums SUBSEQUENT EVENTS Subsequent Events [Text Block] Shares authorized (in shares) Temporary Equity, Shares Authorized Investments Investment, Policy [Policy Text Block] Unrealized gains Unrealized Gain (Loss) on Investments Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Treasury stock, at cost Treasury Stock, Value Ceded Ceded Premiums Written Vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Technology and development Technology And Development Expense Technology And Development Expense FAIR VALUE OF FINANCIAL INSTRUMENTS Fair Value Disclosures [Text Block] Restructuring charges Restructuring Charges Concentration Risk Type [Axis] Concentration Risk Type [Axis] Accumulated amortization Capitalized Computer Software, Accumulated Amortization AFS securities Available-for-sale Securities [Member] Preferred stock and related warrants issuance costs Temporary Equity, Issuance Cost Relating To Stock And Warrant Temporary Equity, Issuance Cost Relating To Stock And Warrant Treasury Stock retired (in shares) Treasury Stock retired (in shares) Treasury Stock, Shares, Retired Revenues: Revenues [Abstract] Document Period End Date Document Period End Date Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Consolidated Entities [Domain] Consolidated Entities [Domain] Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] State Deferred State and Local Income Tax Expense (Benefit) INVESTMENTS Investment [Text Block] Schedule of fixed assets Property, Plant and Equipment [Table Text Block] Research and development credits Deferred Tax Assets, Tax Credit Carryforwards, Research Debt instrument, term Debt Instrument, Term Income Statement Location [Domain] Income Statement Location [Domain] Debt Securities, Available-for-sale [Table] Debt Securities, Available-for-sale [Table] Net investment income Net investment income Net Investment Income Fixed assets, net Property, Plant and Equipment, Net Total operating expenses Operating Expenses Other Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Repayments of long-term debt Repayments of Long-term Debt Earnings Per Share [Abstract] Earnings Per Share [Abstract] Fair of special deposits Regulatory Asset Requirement, Special Deposits, Fair Value Regulatory Asset Requirement, Special Deposits, Fair Value Total fixed assets, at cost Property, Plant and Equipment, Gross Total revenues Revenues Purchase consideration Asset Acquisition, Consideration Transferred Outstanding, beginning balance, weighted-average exercise price (in dollars per share) Outstanding, ending balance, weighted-average exercise price (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Asset Acquisition [Domain] Asset Acquisition [Domain] Entity Current Reporting Status Entity Current Reporting Status Net premiums written Premiums Written, Net Weighted-Average Grant Date Fair Value per Share Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Asset Acquisition [Line Items] Asset Acquisition [Line Items] Income tax expense (benefit) Effective Income Tax Rate Reconciliation, Percent Series A Preferred Stock Series A Preferred Stock [Member] Other debt obligations Other Debt Obligations [Member] Tender offer Share-Based Payment Arrangement, Noncash Expense, Tender Offer Share-Based Payment Arrangement, Noncash Expense, Tender Offer Counterparty Name [Axis] Counterparty Name [Axis] Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Treasury stock, beginning balance (in shares) Treasury stock, ending balance (in shares) Shares, Issued Tax Credit Carryforward, Name [Domain] Tax Credit Carryforward, Name [Domain] Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value [Table] Debt Securities, Available-for-sale, Unrealized Loss Position, Fair Value [Table] Shares outstanding, annual shares increase (in shares) Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Additional Shares Authorized, Annual Increase, Outstanding Shares Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Additional Shares Authorized, Annual Increase, Outstanding Shares Leases [Abstract] Income Taxes Income Tax, Policy [Policy Text Block] LIBOR London Interbank Offered Rate (LIBOR) [Member] Series E Preferred Stock Series E Preferred Stock [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Direct Liability for Claims and Claims Adjustment Expense BBB+, BBB, BBB- Standard & Poor's, BBB Plus, BBB, BBB Minus Rating [Member] Standard & Poor's, BBB Plus, BBB, BBB Minus Rating Entity Address, Postal Zip Code Entity Address, Postal Zip Code 2022 Purchase Obligation, to be Paid, Year One Weighted-average common shares outstanding, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted 2019 Short-Duration Insurance Contract, Accident Year 2019 [Member] Allowance for reinsurance recoverables SEC Schedule, 12-09, Allowance, Reinsurance Recoverable [Member] Accelerated amortization Amortization INCOME TAXES Income Tax Disclosure [Text Block] Preferred stock—SAFE conversion (in shares) Temporary Equity, Stock Issued During Period, Shares, Conversion Of Simple Agreement For Future Equity Temporary Equity, Stock Issued During Period, Shares, Conversion Of Simple Agreement For Future Equity Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Summary of option activity Share-based Payment Arrangement, Option, Activity [Table Text Block] Variable rate percentage Debt Instrument, Basis Spread on Variable Rate 2018 Short-duration Insurance Contracts, Accident Year 2018 [Member] 2020 ESPP 2020 Employee Stock Purchase Plan [Member] 2020 Employee Stock Purchase Plan Loss and loss adjustment expenses Total incurred Net losses and LAE incurred Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims Unearned premiums: Unearned Premiums, Net [Abstract] Unearned Premiums, Net Investment expense Investment Income, Investment Expense Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Number of states auto policies written Number Of States In Which Entity Operates, Auto Policies Written Number Of States In Which Entity Operates, Auto Policies Written Total Purchase Obligation Credit Facility [Axis] Credit Facility [Axis] Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] General and administrative General and Administrative Expense [Member] Consolidation Consolidation, Policy [Policy Text Block] Entity Shell Company Entity Shell Company Deferred policy acquisition cost Deferred Policy Acquisition Cost Expected term Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Assumed Assumed Premiums Written Current Fiscal Year End Date Current Fiscal Year End Date Unamortized discount and debt and warrant issuance costs Unamortized discount and debt issuance costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Other Certain RSUs 1 Other Certain Restricted Stock Units, 1 [Member] Other Certain Restricted Stock Units, 1 Statement [Table] Statement [Table] Total paid Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid Schedule of net investment income Investment Income [Table Text Block] Recently Adopted Accounting Pronouncements and Registrant Filing Status New Accounting Pronouncements, Policy [Policy Text Block] Other Deferred Tax Assets, Other Tranche 5 Share Based Compensation Award Tranche Five Member [Member] Share Based Compensation Award Tranche Five Member Statistical Measurement [Axis] Statistical Measurement [Axis] Incremental Paid, Year 4 Short-duration Insurance Contracts, Historical Claims Duration, Year Four Subsequent event Subsequent Event [Member] Nonvested shares subject to repurchase Nonvested Shares Subject To Repurchase [Member] Nonvested Shares Subject To Repurchase Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Other Certain RSUs 3 Other Certain Restricted Stock Units, 3 [Member] Other Certain Restricted Stock Units, 3 Less than 12 months, unrealized loss Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] Adjustments to reconcile net loss to net cash used in operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Reinsurance Reinsurance Accounting Policy [Policy Text Block] Operating lease, cost Operating Lease, Cost Computers Computer Equipment [Member] Rent expense Operating Leases, Rent Expense Net Investment Income [Line Items] Net Investment Income [Line Items] 12 months or more, unrealized loss Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Loss and loss adjustment expense reserves Gross loss and LAE reserves, January 1 Gross loss and LAE reserves, December 31 Liability For Claims And Claims Adjustment Expense, Gross Liability For Claims And Claims Adjustment Expense, Gross Total deferred Deferred Income Tax Expense (Benefit) Condensed Cash Flow Statements, Captions [Line Items] Condensed Cash Flow Statements, Captions [Line Items] Asset Acquisition [Axis] Asset Acquisition [Axis] Statutory U.S. federal income tax benefit Federal income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Net Loss Per Share Earnings Per Share, Policy [Policy Text Block] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Net loss Net loss Net Income (Loss) Attributable to Parent Right-of-use asset Operating Lease, Right-of-Use Asset Net operating loss carryforward Deferred Tax Assets, Operating Loss Carryforwards Income Statement Location [Axis] Income Statement Location [Axis] Schedule II: Condensed Combined Financial Information of Registrant Condensed Financial Information of Parent Company Only Disclosure [Text Block] Statistical Measurement [Domain] Statistical Measurement [Domain] Tender offer and subsequent conversion (in shares) APIC, Tender Offer And Conversion Of Units, Shares APIC, Tender Offer And Conversion Of Units, Shares Annual shares increase, percentage of outstanding stock Share-based Compensation Arrangement by Share-based Payment Award, Increase In Number Of Shares Available For Grant, Percentage Of Shares Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Increase In Number Of Shares Available For Grant, Percentage Of Shares Outstanding Exercise deposit liability Early Exercise Deposit Liability Early Exercise Deposit Liability Segment Information Segment Reporting, Policy [Policy Text Block] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Restructuring Type [Axis] Restructuring Type [Axis] Beginning balance (in shares) Ending balance (in shares) Temporary Equity, Shares Outstanding Policy Acquisition Costs Deferred Policy Acquisition Costs, Policy [Policy Text Block] Expected dividend rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Entity File Number Entity File Number Common stock—share-based compensation expense APIC, Share-based Payment Arrangement, Increase for Cost Recognition Audit Information [Abstract] Audit Information Condensed Balance Sheet Statements, Captions [Line Items] Condensed Balance Sheet Statements, Captions [Line Items] Forfeited, expired or canceled (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period Schedule of AFS debt securities Debt Securities, Available-for-sale [Table Text Block] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] Other investments Other Security Investments [Member] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value [Abstract] Asset Acquisition Asset Acquisition, Policy [Policy Text Block] Asset Acquisition, Policy Private placement Private Placement [Member] Granted, weighted-average grant date fair value (in dollars per shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value SOFR Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] Municipal securities Municipal Bonds [Member] Expiration period Class Of Warrant Or Right, Expiration Period Class Of Warrant Or Right, Expiration Period Proceeds from maturities, call and pay downs of investments Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale Changes in net unrealized (losses) gains on investments OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Cumulative Paid Losses and ALAE—Net of Reinsurance Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net Exercise Price Range [Axis] Exercise Price Range [Axis] Credit Facility [Domain] Credit Facility [Domain] Assets Assets [Abstract] Other liabilities Other Liabilities [Member] Paid-in-kind interest paid Payment Of Interest Paid In Kind, Operating Activities Payment Of Interest Paid In Kind, Operating Activities Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Concentration percentage Concentration Risk, Percentage Proceeds from issuance of preferred stock and related warrants Proceeds from Issuance of Preferred Stock, Preference Stock, and Warrants Fixed Assets Property, Plant and Equipment, Policy [Policy Text Block] Proceeds from exercise of stock options and restricted stock units, net of tax proceeds/(withholding) Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised Loss and LAE reserves: Liability For Unpaid Claims And Claims Adjustment Expense [Abstract] Liability For Unpaid Claims And Claims Adjustment Expense Unrealized gains Deferred Tax Liabilities, Other Comprehensive Income Accounting Standards Update and Change in Accounting Principle [Table] Accounting Standards Update and Change in Accounting Principle [Table] Outstanding, beginning balance (in shares) Outstanding, ending balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number IPO IPO [Member] Debt Instrument [Axis] Debt Instrument [Axis] Deferred acquisition costs Deferred Tax Liabilities, Deferred Expense, Deferred Policy Acquisition Cost Unpaid losses and loss adjustment expenses Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Loss Reserves Root Property & Casualty Root Property And Casualty [Member] Root Property And Casualty COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Indefinite-lived intangible assets acquired Asset Acquisition, Recognized Identifiable Assets Acquired, Indefinite-Lived Intangible Assets Asset Acquisition, Recognized Identifiable Assets Acquired, Indefinite-Lived Intangible Assets Allowance for premiums receivable Premium Receivable, Allowance for Credit Loss Term loan Secured Debt [Member] Indefinite-Lived Intangible Assets Goodwill and Intangible Assets, Intangible Assets, Indefinite-Lived, Policy [Policy Text Block] Lease liabilities arising from obtaining right-of-use asset Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Schedule of deferred tax assets and liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Vesting percentage Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Prior years Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Prior Years Arizona ARIZONA Settlement of related party loan Stockholders' Equity, Value, Settlement Of Related Party Loan Stockholders' Equity, Value, Settlement Of Related Party Loan U.S. Treasury securities and agencies US Treasury and Government [Member] 2024 Lessee, Operating Lease, Liability, to be Paid, Year Three Direct Liability For Unpaid Claims And Claims Adjustment Expense, Incurred Claims, Gross Liability For Unpaid Claims And Claims Adjustment Expense, Incurred Claims, Gross Tender offer and subsequent conversion (Note 11) APIC, Tender Offer And Conversion Of Units, Value APIC, Tender Offer And Conversion Of Units, Value SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] 2024 Purchase Obligation, to be Paid, Year Three Loss and ALAE reserves—net of reinsurance Liability For Unpaid Claims And Claims Adjustment Expense, Losses, Net Liability For Unpaid Claims And Claims Adjustment Expense, Losses, Net Warrant compensation expense Adjustment of Warrants Granted for Services Options exercisable, weighted-average remaining contractual term (in years) Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Remaining Contractual Term Shares authorized (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Operating lease, liabilities Operating Lease, Payments Root, Inc Root, Inc [Member] Root, Inc Number of positions eliminated Restructuring and Related Cost, Number of Positions Eliminated Preferred stock, dividend percentage Preferred Stock, Dividend Rate, Percentage Unearned premiums Increase (Decrease) in Unearned Premiums Reinsurance recoverable on unpaid losses Plus reinsurance recoverable on unpaid losses Reinsurance recoverables on unpaid losses Ceded Reinsurance Recoverable for Unpaid Claims and Claims Adjustments Statutory Accounting Practices [Line Items] Statutory Accounting Practices [Line Items] Total Long-term Debt, Gross Claims Development [Line Items] Claims Development [Line Items] Total Assets at fair value Assets, Fair Value Disclosure Total liabilities, redeemable convertible preferred stock and stockholders’ equity Liabilities and Equity Warrants fair value adjustment Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Tranche 1 Share-based Payment Arrangement, Tranche One [Member] 2026 Lessee, Operating Lease, Liability, to be Paid, Year Five 2024 Operating Leases, Future Minimum Payments, Due in Four Years Exercised, weighted-average exercise price (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Restricted cash Restricted Cash Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Options exercisable, weighted-average exercise price (in dollars per share) Share-based Payment Arrangement, Option, Exercise Price Range, Exercisable, Weighted Average Exercise Price LOSS PER SHARE Earnings Per Share [Text Block] Operating expenses: Operating Expenses [Abstract] Ownership percentage Equity Method Investment, Ownership Percentage Loss and ALAE reserves—net of reinsurance Short-duration Insurance Contracts, Liability for Unpaid Claims and Allocated Claim Adjustment Expense, Net Paid-in-kind interest expense Paid-in-Kind Interest Schedule of statutory financial information Statutory Accounting Practices Disclosure [Table Text Block] Minimum Minimum [Member] 2023 Lessee, Operating Lease, Liability, to be Paid, Year Two 2022 Operating Leases, Future Minimum Payments, Due in Two Years Schedule of carrying amounts and fair values of financial instruments Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis [Table Text Block] Forfeited, expired and canceled, weighted-average exercise price (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Debt issuance costs Debt Issuance Costs, Net Other comprehensive (loss) income: Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Warrants exercise (in shares) Stock Issued During Period, Shares, Warrants Exercised Stock Issued During Period, Shares, Warrants Exercised Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Maximum shares allowed to be issued (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Base Number Of Options Issuable Share-based Compensation Arrangement by Share-based Payment Award, Base Number Of Options Issuable Due after 10 years, fair value Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10 Cumulative Effect, Period of Adoption [Axis] Cumulative Effect, Period of Adoption [Axis] LOSS AND LOSS ADJUSTMENT EXPENSE RESERVES STATUTORY FINANCIAL INFORMATION Insurance Disclosure [Text Block] 12 Months or more, fair value Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer Assumed Liability For Unpaid Claims And Claims Adjustment Expense, Incurred Claims, Assumed Liability For Unpaid Claims And Claims Adjustment Expense, Incurred Claims, Assumed Capitalization of internally developed software Payments to Develop Software Class of Warrant or Right [Table] Class of Warrant or Right [Table] Common stock—issuance of shares from IPO and concurrent private placement, net of issuance costs Stock Issued During Period, Value, New Issues LONG-TERM DEBT Debt Disclosure [Text Block] Schedule of components of income tax expense (benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Options exercisable, number of shares (in shares) Share-based Payment Arrangement, Option, Exercise Price Range, Shares Exercisable Line of Credit Line of Credit [Member] SHARE-BASED COMPENSATION Share-based Payment Arrangement [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Premiums receivable, net of allowance of $5.4 and $3.5 at December 31, 2021 and December 31, 2020, respectively Premiums Receivable, Net Payment of preferred stock and related warrants issuance costs Issuance costs Payments of Stock Issuance Costs Common stock—issuance of shares from IPO and concurrent private placement, net of issuance costs (in shares) Stock Issued During Period, Shares, New Issues Investment in subsidiaries Payments to Acquire Interest in Subsidiaries and Affiliates Number of reportable segments Number of Reportable Segments Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities Letters of credit outstanding Letters of Credit Outstanding, Amount SAFE fair value adjustment Fair Value Adjustment, Simple Agreement For Future Equity Fair Value Adjustment, Simple Agreement For Future Equity REINSURANCE GEOGRAPHICAL BREAKDOWN OF GROSS WRITTEN PREMIUM Reinsurance [Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Incremental Paid, Year 1 Short-duration Insurance Contracts, Historical Claims Duration, Year One Commitments and Contingencies (Note 12) Commitments and Contingencies Subsequent Event [Table] Subsequent Event [Table] Loss and Loss Adjustment Expense and Reserves Unpaid Policy Claims and Claims Adjustment Expense, Policy [Policy Text Block] Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Emerging Growth Company Entity Emerging Growth Company Net loss before equity net loss of subsidiaries Net Income (Loss) Attributable To Parent Before Income (Loss) From Subsidiaries, After Tax Net Income (Loss) Attributable To Parent Before Income (Loss) From Subsidiaries, After Tax Incremental Paid, Year 3 Short-duration Insurance Contracts, Historical Claims Duration, Year Three Colorado COLORADO Accounting Standards Update 2016-13 Accounting Standards Update 2016-13 [Member] Auditor Name Auditor Name Cover [Abstract] Cover [Abstract] 2020 Plan 2020 Equity Incentive Plan [Member] 2020 Equity Incentive Plan IBNR Short-duration Insurance Contracts, Incurred but Not Reported (IBNR) Claims Liability, Net Effects of Reinsurance [Table] Effects of Reinsurance [Table] Cumulative Effect, Period of Adoption, Adjusted Balance Cumulative Effect, Period of Adoption, Adjusted Balance [Member] ULAE reserves—net of reinsurance Liability For Unpaid Claims And Claims Adjustment Expense, Loss Adjustment Expense, Net Liability For Unpaid Claims And Claims Adjustment Expense, Loss Adjustment Expense, Net Temporary Equity, by Class of Stock [Table] Temporary Equity, by Class of Stock [Table] Warrants outstanding (in shares) Class of Warrant or Right, Outstanding Less: imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Amended Term Loan B Amended Term Loan B [Member] Amended Term Loan B Reinsurance recoverable, net of allowance of $0.2 and zero at December 31, 2021 and December 31, 2020, respectively Reinsurance Recoverable for Paid and Unpaid Claims and Claims Adjustments Premiums written: Premiums Written, Net [Abstract] Other insurance (benefit) expense Other Insurance Expense [Member] Other Insurance Expense Conversion of redeemable convertible preferred stock to common stock from IPO (in shares) Temporary Equity, Stock Issued During Period, Shares, Conversion Of Preferred Stock Temporary Equity, Stock Issued During Period, Shares, Conversion Of Preferred Stock Financial Instrument [Axis] Financial Instrument [Axis] Options outstanding, weighted-average remaining contractual term (in years) Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Remaining Contractual Term 2023 Purchase Obligation, to be Paid, Year Two Allowance for credit loss Provision for loss corridor Reinsurance Recoverable, Allowance for Credit Loss Current: Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Document Information [Table] Document Information [Table] Carrying amount Reported Value Measurement [Member] Payments for restructuring Payments for Restructuring Warrants fair value adjustment Adjustment to fair value of warrants Fair Value Adjustment of Warrants Class A and Class B Common Stock Common stock Common Stock [Member] Net paid loss and LAE related to: Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid [Abstract] Operating loss Operating Income (Loss) Gross Unrealized Losses Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax Preferred stock—issued, net of issuance costs Temporary Equity, Stock Issued During Period, Value, New Issues Net realized gains on investments Debt Securities, Available-for-sale, Realized Gain (Loss) Reclassification of early-exercised stock option to liabilities APIC, Share-based Payment Arrangement, Recognition and Exercise Share-based compensation Share-based Payment Arrangement, Noncash Expense AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Depreciation expense Depreciation Treasury Stock Treasury Stock [Member] Net loss of subsidiaries Change in equity in subsidiaries Income (Loss) from Subsidiaries, Net of Tax All others states All Other States [Member] All Other States Purchases of investments Payments to Acquire Debt Securities, Available-for-sale Georgia GEORGIA Federal income taxes paid Income Taxes Paid Capital Stock Temporary Equity And Stockholders' Equity Note Disclosure [Text Block] Temporary Equity And Stockholders' Equity Note Disclosure Conversion of warrants to common stock - non-cash Stock Issued Purchases of fixed assets Payments to Acquire Property, Plant, and Equipment Short-duration Insurance Contracts, Accident Year [Domain] Short-duration Insurance Contracts, Accident Year [Domain] Total liabilities Liabilities Granted, weighted-average exercise price (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Payment of accrued interest and fees Payment of Interest And Fees, Debt Payment of Interest And Fees, Debt Reinsurance recoverable unpaid losses Reinsurance Recoverables on Unpaid Losses, Gross Outstanding, aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Current year Current Year Claims and Claims Adjustment Expense Net operating loss carryforwards Operating Loss Carryforwards Common stock, shares issued (in shares) Common Stock, Shares, Issued Preferred stock issued (in shares) Preferred Stock, Shares Issued Purchase Obligations Purchase Obligation, Fiscal Year Maturity [Abstract] Entity Address, City or Town Entity Address, City or Town Loss on early extinguishment of debt Loss on early extinguishment of debt Gain (Loss) on Extinguishment of Debt 2026 and thereafter Operating Leases, Future Minimum Payments, Due Thereafter Realized losses on investments Debt Securities, Available-for-sale, Realized Loss Schedule of AOCI Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of credit ratings Fair Value, Concentration of Risk [Table Text Block] Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] Debt Securities, Available-for-sale, Unrealized Loss Position [Line Items] Credit rating Credit Rating Concentration Risk [Member] Credit Rating Concentration Risk Balance Sheet Location [Axis] Balance Sheet Location [Axis] OTHER COMPREHENSIVE (LOSS) INCOME AND ACCUMULATED OTHER COMPREHENSIVE INCOME Comprehensive Income (Loss) Note [Text Block] Accounting Standards Update 2016-02 Accounting Standards Update 2016-02 [Member] Interest expense Interest Expense Deferred: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Nondeductible accruals Deferred Tax Assets, Nondeductible Accruals Deferred Tax Assets, Nondeductible Accruals Ceded Liability For Unpaid Claims And Claims Adjustment Expense, Incurred Claims, Ceded Liability For Unpaid Claims And Claims Adjustment Expense, Incurred Claims, Ceded Accumulated loss Retained Earnings (Accumulated Deficit) Exercisable period Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Entity Filer Category Entity Filer Category Net realized gains on investments Gain (Loss) on Investments Risk free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Fair Value Estimate of Fair Value Measurement [Member] Statutory Capital and Surplus Statutory Accounting Practices, Statutory Capital and Surplus, Balance Effects of Reinsurance [Line Items] Effects of Reinsurance [Line Items] Repayment of debt Repayments of Lines of Credit Proceeds from exercise of stock options and restricted stock units, net of tax proceeds/(withholding) Proceeds from Stock Options Exercised Internally developed software, net Capitalized Computer Software, Net Preferred stock—issued, net of issuance costs (in shares) Temporary Equity, Stock Issued During Period, Shares, New Issues Temporary Equity, Stock Issued During Period, Shares, New Issues Amendment Flag Amendment Flag Equity Components [Axis] Equity Components [Axis] Missouri MISSOURI SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Sales and marketing Selling and Marketing Expense [Member] Sale of Stock [Domain] Sale of Stock [Domain] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Leasehold improvements - non-cash Leasehold Improvements, Non-Cash Leasehold Improvements, Non-Cash Asset Acquisition [Table] Asset Acquisition [Table] Reinsurance recoverable Increase (Decrease) in Reinsurance Recoverable Net incurred loss and LAE related to: Losses and LAE incurred: Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims [Abstract] Other Insurance Expense (Benefit) Other Insurance Expense, Policy [Policy Text Block] Other Insurance Expense, Policy Federal Deferred Federal Income Tax Expense (Benefit) 2027 and thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Summary of warrants issued Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Entity Public Float Entity Public Float Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Grant date fair value per share (in dollars per share) Class Of Warrant Or Right, Grant Date Fair Value Per Share Class Of Warrant Or Right, Grant Date Fair Value Per Share Sales and marketing Selling and Marketing Expense Intercompany payable Intercompany Payable Intercompany Payable Louisiana LOUISIANA Investments: Investments [Abstract] Statement [Line Items] Statement [Line Items] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Prepaid reinsurance premiums Increase (Decrease) in Prepaid Reinsurance Premiums Weighted-Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Total investments Investments Internally Developed Software Internal Use Software, Policy [Policy Text Block] Fair Value Total investments AFS securities Debt Securities, Available-for-sale Schedule of ALAE by accident year Short-duration Insurance Contracts, Claims Development [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Term Loan Term Loan [Member] Term Loan Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Valuation allowance Less valuation allowance Deferred Tax Assets, Valuation Allowance Reclassification of early-exercised stock option to liabilities (in shares) APIC, Share-Based Payment Arrangement, Recognition And Exercise, Shares APIC, Share-Based Payment Arrangement, Recognition And Exercise, Shares Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Document Annual Report Document Annual Report Loss before income tax expense Net Income (Loss) Attributable To Parent Before Income (Loss) From Subsidiaries, Net Of Tax Net Income (Loss) Attributable To Parent Before Income (Loss) From Subsidiaries, Net Of Tax Schedule of share-based compensation expense Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Vesting [Axis] Vesting [Axis] Other Effective Income Tax Rate Reconciliation,Other Reconciling Items, Percent Deferred rent Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Deferred Rent Unearned premiums Direct And Assumed Unearned Premiums Direct And Assumed Unearned Premiums Catlin Catlin Indemnity Company [Member] Catlin Indemnity Company Total assets Assets Plan Name [Domain] Plan Name [Domain] Deferred tax liabilities: Components of Deferred Tax Liabilities [Abstract] Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activities Geographical [Domain] Geographical [Domain] Parent Company Parent Company [Member] Statutory Accounting Practices [Table] Statutory Accounting Practices [Table] Net premiums earned Net premiums earned Premiums Earned, Net Short-duration Insurance Contracts, Accident Year [Axis] Short-duration Insurance Contracts, Accident Year [Axis] Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities Tax credit carryforwards Tax Credit Carryforward, Amount Furniture Furniture and Fixtures [Member] Investments in subsidiaries Investments In Subsidiaries Investments In Subsidiaries Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Debt and Equity Issuance Costs Deferred Charges, Policy [Policy Text Block] Subsequent Event [Line Items] Subsequent Event [Line Items] Tax Credit Carryforward [Axis] Tax Credit Carryforward [Axis] Nondeductible compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent Root Insurance Company Root Insurance Company [Member] Root Insurance Company Weighted-average common shares outstanding, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Loss per common share, diluted (in dollars per share) Earnings Per Share, Diluted Nevada NEVADA Schedule of purchase obligations Contractual Obligation, Fiscal Year Maturity [Table Text Block] Investments in subsidiaries Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Nondeductible compensation Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount Change in Accounting Principle, Type [Extensible Enumeration] Accounting Standards Update [Extensible Enumeration] Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Employee Severance Employee Severance [Member] Proceeds from issuance of debt and related warrants, net of issuance costs Proceeds From Issuance Of Long-Term Debt And Warrants Proceeds From Issuance Of Long-Term Debt And Warrants Percentage of positions eliminated Restructuring and Related Cost, Number of Positions Eliminated, Period Percent Pennsylvania PENNSYLVANIA Conversion of redeemable convertible preferred stock to common stock from IPO (in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities 2020 Short-Duration Insurance Contract, Accident Year 2020 [Member] Corporate debt securities Corporate Debt Securities [Member] Schedule of effective income tax reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Bad debt expense Deferred Tax Asset, Tax Deferred Expense, Reserve and Accrual, Accounts Receivable, Allowance for Credit Loss Accumulated Other Comprehensive Income AOCI Attributable to Parent [Member] Other assets Other Assets Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Financial Instruments [Domain] Financial Instruments [Domain] Due five years through 10 years, fair value Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Increase (Decrease) in Temporary Equity [Roll Forward] Increase (Decrease) in Temporary Equity [Roll Forward] Amortized cost, short term investments Debt Securities, Available-for-sale, Amortized Cost, Current Class B Common Stock Common Class B [Member] Entity Central Index Key Entity Central Index Key Texas TEXAS Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Preferred stock—SAFE conversion Temporary Equity, Stock Issued During Period, Value, Conversion Of Simple Agreement For Future Equity Temporary Equity, Stock Issued During Period, Value, Conversion Of Simple Agreement For Future Equity Exercise price range, max (in dollars per share) Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit Due in one year or less, amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One Residential mortgage-backed securities Residential Mortgage Backed Securities [Member] Condensed Financial Information Disclosure [Abstract] Internally developed software Capitalized Computer Software, Gross Schedule of long term debt Schedule of Long-term Debt Instruments [Table Text Block] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Debt Instrument [Line Items] Debt Instrument [Line Items] Trading Symbol Trading Symbol Utah UTAH Reinsurance premiums payable Reinsurance Payable Other Deferred Tax Liabilities, Other Schedule of future minimum rental payments for operating leases Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Total, unrealized loss Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss Other assets Increase (Decrease) in Other Operating Assets Proceeds from issuance of preferred stock and related warrants Proceeds from Issuance of Preferred Stock and Preference Stock Cash, cash equivalents, and accrued investment income acquired Asset Acquisition, Recognized Identifiable Assets Acquired, Cash, Cash Equivalents And Investment Income Asset Acquisition, Recognized Identifiable Assets Acquired, Cash, Cash Equivalents And Investment Income Exercise price of warrants (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Condensed Income Statements, Captions [Line Items] Condensed Income Statements, Captions [Line Items] South Carolina SOUTH CAROLINA Tranche 3 Share-based Payment Arrangement, Tranche Three [Member] Sales of investments Proceeds from Sale of Debt Securities, Available-for-sale Warrants Warrants to purchase redeemable convertible preferred stock (as converted to common stock) Warrant [Member] A+, A, A- Standard & Poor's, A Plus, A, A Minus Rating [Member] Standard & Poor's, A Plus, A, A Minus Rating Provision for sliding scale commissions Reinsurance Recoverable, Provision For Sliding Scale Commission Reinsurance Recoverable, Provision For Sliding Scale Commission Total share-based compensation expense Share-based Payment Arrangement, Expense Research and development costs Research Tax Credit Carryforward [Member] Provision for loss corridor Reinsurance Recoverable, Provision For Loss Corridor Reinsurance Recoverable, Provision For Loss Corridor Investments [Domain] Investments [Domain] Schedule of capitalized computer software Schedule Of Capitalized Computer Software [Table Text Block] Schedule Of Capitalized Computer Software Conversion of Stock Conversion of Stock Conversion of Stock Class A Common Stock Common Class A [Member] Cash, cash equivalents and restricted cash at beginning of year Cash, cash equivalents and restricted cash at end of year Total cash, cash equivalents and restricted cash shown in the statement of cash flows Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Stock sold in transaction (in shares) Sale of Stock, Number of Shares Issued in Transaction Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Allowance for Expected Credit Losses Debt Securities, Available-for-sale, Allowance for Credit Loss Assumed Assumed Unearned Premiums Assumed Unearned Premiums Investment agreement, term of agreement Investment Agreement, Term Of Agreement Investment Agreement, Term Of Agreement Amortization expense Capitalized Computer Software, Amortization Condensed Balance Sheet Statement [Table] Condensed Balance Sheet Statement [Table] External Credit Rating, Standard & Poor's [Domain] External Credit Rating, Standard & Poor's [Domain] Cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Short-duration Insurance Contracts, Claims Development [Table] Short-duration Insurance Contracts, Claims Development [Table] Reclassification of deferred rent and lease liabilities Reclassification of deferred rent and lease liabilities Reclassification of deferred rent and lease liabilities Common stock—option exercises and restricted stock units vesting, net of shares withheld for employee taxes (in shares) Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Vested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested Exercise Price Range [Domain] Exercise Price Range [Domain] State net operating loss Effective Income Tax, Operating Loss Carryforwards, State And Local, Percent Effective Income Tax, Operating Loss Carryforwards, State And Local, Percent Service and performance period Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period Measurement Basis [Axis] Measurement Basis [Axis] Schedule of anti-dilutive securities Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Short-term investments Debt Securities, Available For Sale, Current [Member] Debt Securities, Available For Sale, Current Auditor Firm ID Auditor Firm ID Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Investing Activities Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Vested, weighted-average grant date fair value (in dollars per shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Assumed Assumed Premiums Earned Investment Agreement issuance costs - non-cash Stock Issuance Costs, Non-Cash Stock Issuance Costs, Non-Cash Bad debt expense Premium Receivable, Credit Loss Expense (Reversal) Net unearned premiums Unearned Premiums, Net Unearned Premiums, Net Class of Stock [Domain] Class of Stock [Domain] Temporary Equity [Line Items] Temporary Equity [Line Items] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Gross premiums written Premiums Written, Gross Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Short Term Warrant Short Term Warrant [Member] Short Term Warrant Tender offer Tender Offer [Member] Tender Offer Statutory U.S. federal income tax benefit Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Preferred Stock Preferred Stock [Member] Retirement of debt Extinguishment of Debt, Amount Due after 10 years, amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10 Options outstanding, number of shares (in shares) Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding Depreciation and amortization Depreciation, Amortization and Accretion, Net Balance at beginning of period Balance at end of period SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount State net operating loss carryforward Deferred Tax Assets, Operating Loss Carryforwards, State and Local NATURE OF BUSINESS Nature of Operations [Text Block] Preferred stock, liquidation preference Preferred Stock, Liquidation Preference, Value Settlement of related party loan (in shares) Stockholders' Equity, Shares, Settlement Of Related Party Loan Stockholders' Equity, Shares, Settlement Of Related Party Loan Due in one year or less, fair value Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One Book Overdraft Book Overdraft, Policy [Policy Text Block] Book Overdraft, Policy Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Current year Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Current Year