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Reconciliation, Amount [Abstract] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Warrants fair value adjustment Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Conversion of warrants to common stock - non-cash Stock Issued Variable rate percentage Debt Instrument, Basis Spread on Variable Rate Interest rate, weighted-average Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Investments in subsidiaries Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Document Information [Line Items] Document Information [Line Items] Deposits and cash equivalents Cash and Cash Equivalents [Member] Increase (Decrease) in Temporary Equity [Roll Forward] Increase (Decrease) in Temporary Equity [Roll Forward] Recognition of treasury stock Recognition Of Treasury Stock [Member] Recognition Of Treasury Stock Direct Direct Premiums Earned Carrying amount Reported Value Measurement [Member] Plan Name [Domain] Plan Name [Domain] Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Asset Acquisition [Axis] Asset Acquisition [Axis] Asset Acquisition Short-term investments Debt Securities, Available For Sale, Current [Member] Debt Securities, Available For Sale, Current Long-term debt Long-term Debt, Fair Value Income tax expense Total income tax expense (benefit) Income Tax Expense (Benefit) 2025 Operating Leases, Future Minimum Payments, Due in Five Years Investment Income [Table] Investment Income [Table] Cash, cash equivalents and restricted cash at beginning of year Cash, cash equivalents and restricted cash at end of year Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Fixed Assets Property, Plant and Equipment, Policy [Policy Text Block] Schedule of principal payments Schedule of Maturities of Long-term Debt [Table Text Block] Debt Securities, Available-for-sale [Table] Debt Securities, Available-for-sale [Table] Temporary Equity [Line Items] Temporary Equity [Line Items] Local Phone Number Local Phone Number Premium Write-offs Premiums Receivable, Basis of Accounting, Policy [Policy Text Block] Temporary equity, shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Shares outstanding (in shares) Temporary Equity, Shares Outstanding Tranche One Share-based Payment Arrangement, Tranche One [Member] Exercised, aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Net unearned premiums Unearned Premiums, Net Unearned Premiums, Net Exercise price range, max (in dollars per share) Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit Total Total Long-term Debt, Gross Related Party Transaction [Domain] Related Party Transaction [Domain] Other assets Increase (Decrease) in Other Operating Assets Schedule V: Valuation and Qualifying Accounts SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Common stock—option exercises Stock Issued During Period, Value, Stock Options Exercised Sales and Marketing/General and Administrative Selling, General and Administrative Expenses, Policy [Policy Text Block] Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Award Type [Axis] Award Type [Axis] 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] Beginning balance Ending balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested 2021 Purchase Obligation, to be Paid, Year One Restricted cash Restricted Cash Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities Accumulated Loss Retained Earnings [Member] Measurement Basis [Axis] Measurement Basis [Axis] Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Tender offer Tender Offer [Member] Tender Offer Outstanding, weighted-average remaining contractual term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Award Type [Domain] Award Type [Domain] Corporate debt securities Corporate Debt Securities [Member] Unused fee percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Treasury stock, at cost Treasury Stock, Value Direct Written Premiums Direct Written Premiums [Member] Direct Written Premiums Earnings Per Share Earnings Per Share [Text Block] Other Effective Income Tax Rate Reconciliation,Other Reconciling Items, Percent Settlement of related party loan (Note 10) (in shares) Stockholders' Equity, Shares, Settlement Of Related Party Loan Stockholders' Equity, Shares, Settlement Of Related Party Loan Book Overdraft Book Overdraft, Policy [Policy Text Block] Book Overdraft, Policy Statutory U.S. federal income tax benefit Federal income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Net premiums earned Net premiums earned Premiums Earned, Net Adopted Accounting Pronouncement/Upcoming Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Statutory Accounting Practices [Line Items] Statutory Accounting Practices [Line Items] Incremental Paid, Year 2 Short-duration Insurance Contracts, Historical Claims Duration, Year Two