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Senior And Junior Debt Of Private Equity Backed Companies [Member] Senior and Junior Debts of Private Equity-Backed Companies [Member] Lessor, Operating Lease, Description Concentration Risk Type Concentration Risk Type [Axis] Lessee, Operating Lease, Liability, to be Paid, Rolling Year Three 2027 Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders, but before participating securities at parent level. Net Income Loss Available To Parent After Participating Securities At Subsidiary Level Net income attributable to HCI Total lease obligations Liabilities Finance Lease, Liability Finance Lease, Liability, Total Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Preferred shares issued Preferred Stock, Shares Issued Balance Sheet Location Statement of Financial Position Location, Balance [Domain] Premiums Written: Premiums Written, Net [Abstract] Current period Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Current Year Current period Non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Shares acquired, average cost per share Shares Acquired, Average Cost Per Share Common stock repurchased and retired, weighted average price, including fees and commissions Dilutive Securities, Shares (Denominator) Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants Summary of Long-term Debt Schedule of Long-Term Debt Instruments [Table Text Block] Plan Name Plan Name [Axis] Estimated Fair Value, Twelve Months or Longer Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Equity [Abstract] Entity Current Reporting Status Entity Current Reporting Status Paid losses and loss adjustments allowance Reinsurance Recoverables on Paid Losses, Allowance Schedule of Stock Based Compensation Expense Schedule of Stock Based Compensation Expense [Table Text Block] Schedule of Stock Based Compensation Expense [Table Text Block] Amortization of deferred policy acquisition costs Deferred Policy Acquisition Costs, Amortization Expense Deferred Policy Acquisition Costs, Amortization Expense, Total Debt Instrument, Issuance Date Expenses: Expenses Operating Expenses [Abstract] (Level 2) [Member] Fair Value, Inputs, Level 2 [Member] Accumulated Other Comprehensive Income (Loss), Noncontrolling Interests Accumulated Other Comprehensive Income (Loss), Noncontrolling Interests Beginning Balance Ending Balance Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Common stock shares authorized to issue Common stock, shares authorized Common Stock, Shares Authorized Real estate investments to property and equipment, net Property, Plant and Equipment, Transfers and Changes Total incurred, net of reinsurance Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims Total incurred, net of reinsurance OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax Net unrealized gains Net unrealized losses and gains Basic Earnings Per Share: Earnings Per Share, Basic [Abstract] Product and Service [Axis] Document Fiscal Period Focus Document Fiscal Period Focus Total lease payments Finance Lease, Liability, to be Paid Debt instrument stated interest rate Debt Instrument, Interest Rate, Stated Percentage Promissory interest rate Entity Shell Company Entity Shell Company Lessee, Operating Lease, Liability, to be Paid, Rolling Year Four 2028 Common stock dividends Common stock dividends Dividends, Common Stock, Cash Convertible Senior Notes [Member] Convertible Debt [Member] Cash and Cash Equivalent Cash and Cash Equivalents, at Carrying Value, Total Cash and Cash Equivalents, at Carrying Value, Beginning Balance Cash and Cash Equivalents, at Carrying Value, Ending Balance Cash and cash equivalents Cash and cash equivalents Summary of Future Maturities of Long-Term Debt Schedule of Maturities of Long-Term Debt [Table Text Block] Financial Instruments, Owned, Mortgages, Mortgage-Backed and Asset-Backed Securities, at Cost or Amortized Cost Financial Instruments, Owned, Mortgages, Mortgage-Backed and Asset-Backed Securities, at Cost or Amortized Cost Commercial mortgage-backed securities Cost or Amortized Cost Common stock, shares issued Common Stock, Shares, Issued Common Stock, Shares, Issued, Total Common stock, shares issued Asset Class [Domain] Statement [Table] Statement [Table] Premium protection reinsurance Reinsurance Protection Premium Reinsurance protection premium. Components of Other Investments and Methods Used in Estimating Fair Values Table Of Methods Used To Estimate Debt Instrument Fair Value, Other Investments [Text Block] Table Of Methods Used To Estimate Debt Instrument Fair Value, Other Investments [Text Block] Common stock shares outstanding owned by consolidating entity percentage Common Stock Shares Outstanding Owned By Consolidating Entity Percentage The percentage of common stock shares outstanding owned by the consolidating entity. 4.25% Convertible Senior Notes [Member] Four Point Two Five Percentage Convertible Senior Notes [Member] Four point two five percentage convertible senior notes. The total amount of premiums for insurance coverage over a period of one year. Annualized Premiums Written Annualized premiums written Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Two 2026 Common stock shares outstanding owned by consolidating entity Common Stock Shares Outstanding Owned By Consolidating Entity The number of common stock shares outstanding owned by the consolidating entity. Statement [Line Items] Statement [Line Items] Warrant [Member] Warrant [Member] Entity Filer Category Entity Filer Category Reclassification Reclassification, Comparability Adjustment [Policy Text Block] Variable Interest Entity Disclosure [Text Block] Variable Interest Entity Disclosure of quantitative information of operating and finance leases Disclosure Of Quantitative Information Of Operating And Finance Leases Table [Text Block] Disclosure of quantitative information of operating and finance leases GEICO [Member] GEICO [Member] Deposits Deposits Assets Liabilities and Equity Total liabilities, redeemable noncontrolling interest and equity Debt Instrument [Line Items] Debt Instrument [Line Items] Exercisable, Weighted-Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Exercised, Weighted-Average Exercise Price 2021 Equity Incentive Plan [Member] Two Thousand Twenty One Equity Incentive Plan [Member] Two thousand twenty one equity incentive plan. Long-Lived Tangible Asset Long-Lived Tangible Asset [Axis] Debt Instrument, Frequency of Periodic Payment Investment Building and Building Improvements Investment Building and Building Improvements, Total Buildings and building improvements Schedule of Fair Value Information for Financial Liabilities Carried on Balance Sheet Fair Value, Liabilities Measured on Recurring Basis [Table Text Block] ShareBased Awards. Share based Awards Share Based Awards [Member] Reinsurance Premiums For Insurance Companies By Product Segment [Line Items] SEC Schedule, 12-17, Insurance Companies, Reinsurance [Line Items] Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Remaining weighted-average amortization period Finite-Lived Intangible Assets, Remaining Amortization Period Allowance for credit losses of available-for-sale debt securities Debt Securities, Available-for-Sale, Allowance for Credit Loss, Period Increase (Decrease) Debt Securities, Available-for-Sale, Allowance for Credit Loss, Period Increase (Decrease), Total Deferred Tax Assets, Valuation Allowance Valuation allowance Financial Assets: Disclosure Fair Value Of Financial Assets [Abstract] Disclosure fair value of financial assets. federal statutory tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Subsequent Event [Line Items] Subsequent Event [Line Items] Land SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land Decrease in retained income Increase Decrease In Retained Income Increase decrease in retained income. Other non-cash items Other Noncash Income (Expense) Other Noncash Income (Expense), Total Effective tax rate Effective Income Tax Rate Reconciliation, Percent Effective Income Tax Rate Reconciliation, Percent, Total Cash paid for income taxes Income Taxes Paid Insurance Operation [Member] Insurance Operation [Member] Insurance Operation [Member] Expected contractual term of limited partnership investment following the maturity of the fund's outstanding leverage. Expected term Investment Contractual Term Following Maturity Of Fund Outstanding Leverage Investment additional maturity term Investment Additional Maturity Term With Consent Of Advisory Committee Or Majority Represents the maximum investment period that can be extended with the consent of either the advisory committee or a majority of limited partners. Security Ownership Percentage Of Outstanding Shares Security Ownership Percentage Of Outstanding Shares Security Ownership Percentage Of Outstanding Shares Geographical [Domain] Risk-adjusted returns on credit and equity investments, primarily in private equity-owned companies. Risk-Adjusted Returns on Credit and Equity Investments, Primarily in Private Equity-Owned Companies [Member] Risk-Adjusted Returns on Credit and Equity Investments, Primarily in Private Equity-Owned Companies [Member] Real Estates [Member] Real Estates [Member] Equity Securities, FV-NI, Unrealized Loss Gross Unrealized Losses Variable Interest Entity [Table] FMKT Mel JV, LLC [Member] F M K T [Member] FMKT. CORE Policyholders [Member] CORE Policyholders [Member] CORE Policyholders [Member] Less: unamortized issuance costs Less: unamortized issuance costs Debt Issuance Costs, Net Debt Issuance Costs, Net, Total Noncontrolling Interest [Abstract] Maturity date Investment Maturity Date Due after one year through five years, Cost or Amortized Cost Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Amortized Cost Accumulated Other Comprehensive Income Loss, Reclassification to Net Investment Income, Net of Tax Accumulated Other Comprehensive Income Loss, Reclassification to Net Investment Income, Net of Tax Reclassification to net investment income Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Share Repurchase Program Share Repurchase Program [Axis] Condo Owners Reciprocal Exchange (CORE) [Member] Condo Owners Reciprocal Exchange (CORE) [Member] CORE [Member] Purchase of real estate investments Payment for Acquisition, Real Estate, Held-for-Investment Losses and Loss Adjustment Expenses Liability for Future Policy Benefits and Unpaid Claims Disclosure [Text Block] Land improvements Real Estate And Accumulated Depreciation Initial Cost Of Land Improvements Initial cost of alterations to land which improves its potential for use. Generally consisting of items having limited lives, such as walkways, driveways, fences, and parking lots, such improvements are depreciated over the useful lives of the subject assets. Summary of Numerator and Denominator of Basic and Diluted Earnings Per Common Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Reinsurance Reinsurance [Text Block] Equity Securities [Member] Equity Securities [Member] Scheduled Contractual Maturities of Fixed-Maturity Securities Investments Classified by Contractual Maturity Date [Table Text Block] Income allocated to common stockholders, Per Share Amount Earnings Per Share, Basic Earnings Per Share, Basic, Total Basic earnings per share Repayments of Long-Term Debt Repayments of Long-Term Debt, Total Repayments of Long-Term Debt Gain or loss resulting from an involuntary conversion of a nonmonetary asset to monetary assets. Gain Loss On Involuntary Conversions Gain on involuntary conversions Gain (loss) on involuntary conversions Gain on involuntary conversion Before Tax Other Comprehensive Income (Loss), before Tax [Abstract] Outstanding, Beginning Balance, Number of Options Outstanding, Ending Balance, Number of Options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Stock options, outstanding Long-Term Debt Debt, Policy [Policy Text Block] Paid, net of reinsurance, related to: Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid [Abstract] Variable Interest Entity [Line Items] Renewal Option Description Of Renewal Option Of Lessee Description of renewal option of lessee. Revolving Credit Facility [Member] Revolving Credit Facility [Member] Proceeds from Sale of Equity Securities, FV-NI Proceeds from sales of equity securities Proceeds Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Dividends, date of record Dividends Payable, Date of Record Date of Record Prepaid reinsurance premiums Increase (Decrease) in Prepaid Reinsurance Premiums Prepaid premium taxes State-imposed tax on insurance premiums paid in advance Prepaid PremiumTaxes Leases Leases Of Lessee And Lessor Disclosure [Text Block] The entire disclosure for lessee entity's and lessor entity's leasing arrangements including, but not limited to, the existence and terms of renewal or purchase options and escalation clauses. Share Repurchase Program Share Repurchase Program [Domain] Accrued interest and dividends receivable Increase (Decrease) in Interest and Dividends Receivable Increase (Decrease) in Interest and Dividends Receivable, Total Estimated favorable change in net asset value Limited Partnership Investment Estimated Favorable Change In Net Asset Value Limited partnership investment, estimated favorable change in net asset value. Subscriber surplus contribution Represents a nonrefundable portion of subscriber surplus contributions that is reclassified to noncontrolling interest section of the balance sheet. Noncash Reclassification Of Contribution Reclassification of nonrefundable subscriber surplus contributions Real Estate Investments [Member] Real Estate Investment [Member] Contractual interest Interest Expense, Debt, Excluding Amortization Accounting Standards Update Accounting Standards Update [Axis] Reinsurance recoverable, net of allowance for credit losses: Reinsurance Recoverable for Paid and Unpaid Claims and Claims Adjustments [Abstract] Consolidation Items Consolidation Items [Domain] 3.90% Promissory Note [Member] Three Point Nine Zero Percentage Promissory Notes [Member] Three Point Nine Zero Percentage Promissory Notes Member. Entity Small Business Entity Small Business Net cash inflow (outflow) from the surplus contribution received (returned) in cash from (to) a subscriber during the period. Net Surplus Contribution Subscriber surplus contributions, net Retained Earnings (Accumulated Deficit) Retained Earnings (Accumulated Deficit), Total Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Ending Balance Retained earnings Reserve For Losses And Loss Adjustment Expenses [Table] Reserve For Losses And Loss Adjustment Expenses [Table] Reserve For Losses And Loss Adjustment Expenses [Table] Nature of Operations [Text Block] Nature of Operations Payments to Acquire Equity Securities, FV-NI Purchase of equity securities Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Summary Of Significant Accounting Policies [Line Items] Finance Lease Liabilities [Member] Finance Lease Liabilities [Member] Finance lease liabilities. Stock-Based Compensation Share-Based Payment Arrangement [Text Block] Lessee, Operating Lease, Liability, to be Paid, Rolling Year Two 2026 Organization, Consolidation and Presentation of Financial Statements [Abstract] Dilutive Securities, Shares (Denominator) Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities Incremental Common Shares Attributable to Conversion of Debt Securities, Total Total number of shares issued during the period, resulting from cashless exercise of common stock warrants. Stock Issued During Period Shares Cashless Warrant Exercise Cashless exercise of common stock warrants Leases [Abstract] Two thousand twenty One omnibus incentive plan member. Two Thousand Twenty One Omnibus Incentive Plan [Member] 2021 Omnibus Incentive Plan [Member] Catastrophic Event [Axis] Cash contribution Represents cash contributions collected from policyholders, referred to as subscribers, in addition to policy premiums. Subscriber Surplus Cash Contribution Debt Instrument, Payment Terms Debt Instrument, Payment Terms Amendment Flag Amendment Flag OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax Net unrealized gains arising during the period Net unrealized (losses) gains Product and Service [Domain] Impact of the Reinsurance Contracts on Premiums Written and Earned Effects of Reinsurance [Table Text Block] Interest expense Finance Lease, Interest Expense Liabilities and Equity [Abstract] Liabilities, Redeemable Noncontrolling Interests and Equity Entity Address, Postal Zip Code Entity Address, Postal Zip Code Net cash provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Payments to Acquire Notes Receivable Payments to acquire notes receivable HCI Corporate Oaks. HCI Corporate Oaks [Member] HCI Corporate Oaks [Member] Nature Of Operations [Abstract] Nature of operations. Common Stock [Member] Common Stock [Member] Subordinated Surplus Note Subordinated Borrowing, Interest Rate Policyholder Benefits and Claims Incurred, Net, Total Policyholder Benefits and Claims Incurred, Net Preliminary net loss estimated Losses and loss adjustment expenses Purchase of noncontrolling interests Proceeds from (Payments to) Noncontrolling Interests Proceeds from (Payments to) Noncontrolling Interests, Total Payment of net share settlements and other Less: TypTap Group's net loss attributable to non-HCI common stockholders and TypTap Group's participating securities Noncontrolling Interest in Net Income (Loss) Other Noncontrolling Interests, Nonredeemable Less: Net income attributable to noncontrolling interests Secured Debt Secured Debt, Total Loan Amount Schedule of Available-for-sale Securities [Line Items] Debt Securities, Available-for-Sale [Line Items] Investment Securities [Line Items] Investment Securities [Line Items] Investment Securities [Line Items] Portion at Fair Value Measurement [Member] [Default] Portion at Fair Value Measurement [Member] Entity Address, Address Line One Entity Address, Address Line One Dividends Payable [Table] 3.75% Callable Promissory Note [Member] Three Point Seven Five Percentage Callable Promissory Note [Member] Three point seven five percentage callable promissory note. Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Axis] Earnings Per Share [Abstract] Decrease in credit loss expense Credit loss expense - reinsurance recoverable Decrease in credit loss expense Reinsurance Recoverable, Credit Loss Expense (Reversal) Money Market Funds and Certificate Of Deposit Maturity Period Money Market Funds And Certificate Of Deposit Maturity Term Money Market Funds and Certificate Of Deposit Maturity Term. Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Stockholder Equity Other This element represents movements included in the statement of changes in stockholders' equity which are not separately disclosed or provided for elsewhere in the taxonomy. Other Proceeds from sale of land held for investment Proceeds from Sale, Land, Held-for-Investment Net amount due to entity Net Payable To Entity Under Reinsurance And Tpa Service Net combined amount payable to ceding entity under reinsurance contracts net of amounts receivable from the entity under third-party administrator claims processing services. Accrued Liability Current And Non Current Excluding Income Tax Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include property taxes, interest, rent and utilities but exclude income taxes. Accrued expenses Accrued expenses and other liabilities Name of Property [Axis] Other Liabilities [Member] Other Liabilities [Member] ROU assets Finance Lease, Right-of-Use Asset, before Accumulated Amortization Balance Sheet Location Statement of Financial Position Location, Balance [Axis] Investment Type [Axis] Investment Type ROU Assets Right-of-use assets - operating leases Operating Lease, Right-of-Use Asset Finance Lease, Liability, Undiscounted Excess Amount Less: interest Estimated Fair Value, Total Debt Securities, Available-for-Sale, Unrealized Loss Position Net Income (Loss) Attributable to Noncontrolling Interest Net Income (Loss) Attributable to Noncontrolling Interest, Total Net income attributable to noncontrolling interests Net income attributable to noncontrolling interests Payments to Acquire Debt Securities, Available-for-Sale Purchase of available-for-sale fixed-maturity securities Proceeds from Limited Partnership Investments Distributions received from limited partnership investments Document Type Document Type Finance lease costs: Finance Lease Costs [Abstract] Finance lease costs. Fair value of investment securities on deposit with state regulatory authorities in connection with capital requirements Fair Value Of Assets Held By Insurance Regulators Fair value of assets held by insurance regulators Nationwide Life Insurance Company [Member] Nationwide Life Insurance Company [Member] Nationwide Life Insurance Company Member. Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Interest on Convertible Debt, Net of Tax Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Entity Central Index Key Entity Central Index Key Mature Real Estate Private Equity Funds And Portfolio Globally [Member] Mature real estate private equity funds and portfolio globally. Mature Real Estate Private Equity Funds And Portfolios Globally [Member] Line Of Credit Facility [Table] Line of Credit Facility [Table] Summary of Amortized Cost, Allowance for Credit Loss, Gross Unrealized Gains and Losses, and Estimated Fair Value of Available-for-Sale Securities Debt Securities, Available-for-Sale [Table Text Block] Investment expense Investment Income, Investment Expense Investments, Debt and Equity Securities [Abstract] Other policy acquisition expenses Other Policy Acquisition Expenses Other policy acquisition expenses. Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Net (decrease) increase in cash and cash equivalents and restricted cash Subsequent Event Type Subsequent Event Type [Domain] O2025 Q2 Dividends Member O 2025 Q2 Dividends [Member] Dividends [Member] Declared on April 22, 2026 [Member] Benefits receivable related to retrospective reinsurance contracts Other assets Benefits Receivable Related To Retrospective Reinsurance Contracts Represents retrospective reinsurance contract cash benefits which will be received at the end of contract term. Accrued interest and dividends receivable Accrued Investment Income Receivable Accrued Investment Income Receivable, Total Repurchase and retirement of common stock under share repurchase plan, Shares Repurchase and retirement of common stock, shares Repurchase and retirement of common stock, shares Stock Repurchased and Retired During Period, Shares Reinsurance payable on paid losses and loss adjustment expenses Reinsurance Payable On Paid Losses And Loss Adjustment Expenses Carrying amount of liabilities as of the balance sheet date pertaining to amounts owed to the ceding insurer for paid losses and loss adjustment expenses under reinsurance contracts. Accounting Standards Update Accounting Standards Update [Domain] Direct Direct Premiums Earned Expected term Investment Contractual Term Expected contractual term of limited partnership investment. Liabilities [Abstract] Outstanding, Weighted-Average Remaining Contractual Term Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Asset Acquisition, Contingent Consideration, Liability Asset Acquisition, Contingent Consideration, Liability Asset Acquisition, Contingent Consideration, Liability, Total Fixed-maturity securities, Cost or Amortized Cost Available-for-sale Debt securities, Amortized cost Debt Securities, Available-for-Sale, Amortized Cost Fixed-maturity securities, Estimated Fair Value Estimated Fair Value Total Debt Securities, Available-for-Sale Fixed-maturity securities, available-for-sale, at fair value (amortized cost: $920,973 and $595,383, respectively and allowance for credit losses: $0 and $0, respectively) Finance Lease, Liability, to be Paid, Rolling Year Two 2025 Corporate and Other [Member] Corporate Segment and Other Operating Segment [Member] Net realized gains Realized Investment Gains (Losses) Realized Investment Gains (Losses), Total Net realized losses Total Stockholders' Equity [Member] Parent [Member] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Exercised, Number of Options Exercise of stock options, Shares Payable On Purchases Of Fixed Maturity Securities Payable On Purchases Of Fixed Maturity Securities Payable on purchases of available-for-sale fixed-maturity securities Debt Disclosure [Abstract] Consolidation, Eliminations [Member] Consolidation, Eliminations [Member] Investments Investment [Text Block] TTIG [Member] TTIG [Member] TTIG [Member] Estimate of Fair Value Measurement [Member] Estimate of Fair Value Measurement [Member] Share Repurchase Program [Member] Share Repurchase Program [Member] Share Repurchase Program [Member] Ownership [Domain] Ownership Current Fiscal Year End Date Current Fiscal Year End Date Debt Instrument [Table] Schedule of Long-Term Debt Instruments [Table] Claims processing services Claims Handling Services [Member] Claims Handling Services [Member] Weighted-average discount rate: Weighted Average Discount Rate [Abstract] Weighted average discount rate Document Quarterly Report Document Quarterly Report Gross amount, as of the balance sheet date, due the entity from ceding entities before deducting the allowance for doubtful accounts Assumed premiums receivable Assumed premiums receivable Assumed Assumed Premiums Earned Ceded Premiums ceded Ceded Premiums Earned Premiums ceded Other operating expenses Other Cost and Expense, Operating Other Cost and Expense, Operating, Total Seventeen April Two Thousand Twenty Four Award. Seventeen April Two Thousand Twenty Four Award [Member] 04-17-2024 Award [Member] Other Assets Included Accounts Receivable Other Assets Included Accounts Receivable Other Assets Included Accounts Receivable Fair Value By Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Summary of Proceeds Received and Gross Realized Gains and Losses from Sales of Available-for-Sale Securities Realized Gain (Loss) on Investments [Table Text Block] Entity Address, State or Province Entity Address, State or Province Beginning balance, shares Ending balance, shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Restricted stock awards outstanding, nonvested Redeemable Noncontrolling Interest [Line Items] Available Borrowing Capacity Line of Credit Facility, Remaining Borrowing Capacity Disclosure of accounting policy for charging off uncollectible financial assets, including, but not limited to, factors and methodologies used in estimating the allowance for credit loss. Allowances For Credit Loss Policy For Financial Assets Allowance for Credit Losses Investment Owned, Balance, Shares Common stock shares outstanding owned by entity Preferred Stock, Shares Outstanding Preferred Stock, Shares Outstanding, Ending Balance Preferred Stock, Shares Outstanding, Beginning Balance Preferred share outstanding Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income after noncontrolling interests Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Fixed-maturity securities, Gross Unrealized Gains Represents a net increase recognized in ceded premiums related to reinsurance contracts with retrospective provisions. Net Increase To Ceded Premium Resulting From Reinsurance Adjustments Net increase in premiums ceded Dilutive Securities, Shares (Denominator) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Incremental Common Shares Attributable to Share-based Payment Arrangements, Total Geographical [Axis] Line of Credit Facility, Lender [Domain] Debt Securities, Trading, Realized Gain (Loss) [Abstract] Conversion of Stock, Shares Converted Conversion of senior notes to common stock, shares Percentage of equity interest Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Noncontrolling interests Noncontrolling interests Equity, Attributable to Noncontrolling Interest Stockholders' Equity Attributable to Noncontrolling Interest, Total Stockholders' Equity Attributable to Noncontrolling Interest, Beginning Balance Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance Equity Securities, FV-NI, Unrealized Gain Gross Unrealized Gains Finance Lease, Liability, Statement of Financial Position [Extensible Enumeration] Stock Issued During Period, Value, Stock Options Exercised Exercise of common stock options, Value Schedule Of Trading Securities And Other Trading Assets [Table] Debt Securities, Trading, and Equity Securities, FV-NI [Table] Liability for Unpaid Losses and Loss Adjustment Expenses Schedule of Liability for Unpaid Claims and Claims Adjustment Expense [Table Text Block] Net unrealized losses Accumulated Other Comprehensive Income Loss Net Unrealized Gains and Losses Net of Tax Including Portion Attributable to Noncontrolling Interest Accumulated Other Comprehensive Income Loss Net Unrealized Gains and Losses Net of Tax Including Portion Attributable to Noncontrolling Interest Decrease in deferred income tax liabilities Increase (Decrease) in Deferred Income Taxes Deferred Income Tax Assets, Net Deferred income tax assets, net Total long-term debt Long-Term Debt, Fair Value Subsequent Event [Member] Subsequent Event [Member] Schedule Of Investment Securities [Table] Schedule Of Investment Securities [Table] Schedule Of Investment Securities [Table] Other Comprehensive Income Loss Available For Sale Securities Adjustment Including Credit Loss Before Tax Amount before tax, after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Includes amounts related to credit loss. Other comprehensive income Real estate investments sale price Real Estate Investments Sale Price Sale price of real estate investments sold. Redeemable Noncontrolling Interest Policy [Text Block] Disclosure of accounting policy for redeemable noncontrolling interest. Includes, but is not limited to, methodology used in measuring the initial fair value and subsequent adjustment to its carrying value. Redeemable Noncontrolling Interests Antidilutive Securities Antidilutive Securities [Axis] Tailrow [Member] Tailrow [Member] Tailrow [Member] Power Utility and Energy Industries and Infrastructure [Member] Power Utility And Energy Industries And Infrastructure [Member] Power utility and energy industries and infrastructure. Fair value of vested restricted stock Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Subscriber Surplus Contribution. Subscriber Surplus Contribution [Member] Subscriber surplus contribution Ceded Ceded Premiums Earned Offset Amount of earned premiums ceded to other entities used to offset the amount of written premiums. Interest Expense Interest expense Interest Expense, Debt Interest Expense, Debt, Total Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract] Proceeds Proceeds from Sale of Debt Securities, Available-for-Sale Proceeds from sales of available-for-sale fixed-maturity securities Other Commitments [Domain] Reinsurance Recoverable [Member] Reinsurance Recoverable for Paid and Unpaid Claims and Claims Adjustments [Member] Policy acquisition and other underwriting expenses Expense Related to Distribution or Servicing and Underwriting Fees AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Income [Member] Unfunded balance Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Unfunded Commitments Finite-Lived Intangible Assets, Major Class Name Finite-Lived Intangible Assets, Major Class Name [Domain] Lessee, Operating Lease, Liability, to be Paid, Rolling Year Five 2029 Unvested Restricted Stock Award Not Meet Market Condition Unvested Restricted Stock Award Not Meet Market Condition Unvested Restricted Stock Award Not Meet Market Condition Temporary Equity, Including Noncontrolling Interest [Abstract] Investment additional maturity term Investment Additional Maturity Term At General Partner Discretion Represents the maximum investment period that can be extended at the general partner's discretion. Incurred, net of reinsurance, related to: Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims [Abstract] 2028 Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Four Debt instrument, maturity date Debt Instrument, Maturity Date Debt conversion, converted instrument, due date Minimum [Member] Minimum [Member] Granted, Weighted-Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Vested, Grant Date Fair Value Financial Instrument Financial Instrument [Axis] Disclosure Of Leases [Table] Disclosure Of Leases [Table] Disclosure of Leases Undistributed gain (loss) after equity distribution Retained Earnings, Undistributed Earnings from Equity Method Investees Retail space [Member] Retail Space [Member] Retail space Percentage of voting rights and economic interests in subsidiary Percentage Of Voting Rights And Economic Interests In Subsidiary Percentage threshold for which percentage of voting rights and economic interests in a subsidiary must be less than in order for a noncontrolling interest to arise. Reinsurance recoverable Increase (Decrease) in Reinsurance Recoverable Reinsurance recoverable of loss adjustment Other Comprehensive Income Call And Repayment Gains Losses Charged To Investment Income Amount, before tax, of (gain) loss charged to investment income upon the call and repayment of available-for-sale securities recognized in other comprehensive income. Reclassification to net investment income Reclassification to net investment income Amortization of Intangible Assets, Total Amortization of Intangible Assets Amortization of Intangible Assets (Level 3) [Member] Fair Value, Inputs, Level 3 [Member] Prepaid Reinsurance Premiums Prepaid reinsurance premium Prepaid reinsurance premiums Segment Reporting [Abstract] Finance leases: Finance lease: Finance Lease [Abstract] Finance lease Unpaid losses and loss adjustments allowance Reinsurance Recoverables on Unpaid Losses, Allowance Unpaid losses and loss adjustments allowance Assets Measured at Estimated Fair Value on a Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] HCPCI [Member] Homeowners Choice Property And Casualty Insurance Company Incorporation [Member] Homeowners Choice Property & Casualty Insurance Company, Inc. Other Comprehensive Income Call And Repayment Gains Losses Charged To Investment Income Net Of Tax Amount, net of tax, of (gain) loss charged to investment income upon the call and repayment of available-for-sale securities recognized in other comprehensive income Reclassification to net investment income Other Other Assets, Miscellaneous Other Assets, Miscellaneous, Total Repurchase and retirement of common stock, value Repurchase and retirement of common stock, value Stock Repurchased and Retired During Period, Value Stock repurchased and retired, total costs Due after ten years, Cost or Amortized Cost Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Amortized Cost Investments In Limited Partnerships Carrying Value Limited partnership investments Represents the holding of limited partnership interests for investment purposes and is accounted for using the net asset value information provided by general partners to estimate fair value. Related Party Transactions [Abstract] Beginning Balance, shares Ending Balance, shares Shares, Outstanding Summary of Securities with Gross Unrealized Loss Positions Aggregated by Investment Category Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] Gain (Loss) on Securities [Line Items] Gain (Loss) on Securities [Line Items] Other Other Income Restricted Cash and Cash Equivalent Restricted Cash and Cash Equivalents, Total Restricted cash Restricted cash Commitments and Contingencies Commitments and contingencies (Note 19) Total paid, net of reinsurance Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Total Non Florida [Member] Non Florida [Member] Nonvested, Weighted-Average Grant Date Fair Value, Beginning balance Nonvested, Weighted-Average Grant Date Fair Value, Ending balance Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Weighted average grant date fair value Debt Conversion Expense Paid Cash paid to induce conversion of a convertible debt security. Convertible notes cash consideration Debt conversion costs paid Accumulated Other Comprehensive Income Loss, Reclassification to Net Realized Investment Gains, Net of Tax Accumulated Other Comprehensive Income Loss, Reclassification to Net Realized Investment Gains, Net of Tax Reclassification to net realized investment gains Lease liabilities - operating leases Liabilities Total lease obligations Operating Lease, Liability Ceded Premiums Payable Ceded reinsurance premiums payable Ceded reinsurance premiums payable Total long-term debt Long-Term Debt and Lease Obligation, Including Current Maturities Dividends Payable [Line Items] Premiums receivable, net Increase (Decrease) in Premiums Receivable Common stock, no par value Common Stock, No Par Value Depreciation and amortization Depreciation, Amortization and Accretion, Net Depreciation, Amortization and Accretion, Net, Total Equity securities, cost Cost Equity Securities, FV-NI, Cost Weighted-average remaining lease term: Weighted Average Remaining Lease Term [Abstract] Weighted average remaining lease term Deposit Contracts, Liabilities Advance premiums Advance premiums Citizens [Member] Citizens [Member] Citizens [Member] Concentration Risk Benchmark Concentration Risk Benchmark [Axis] Beginning Balance Accumulated Other Comprehensive Income Loss Before Tax Amount, before tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source. Ending Balance Liability for Claims and Claims Adjustment Expense, Total Liability for Claims and Claims Adjustment Expense, Beginning Balance Liability for Claims and Claims Adjustment Expense Gross balance, end of period Losses and loss adjustment expenses Losses and loss adjustment expenses Finance Lease, Weighted Average Discount Rate, Percent Finance leases (%) 4.75% Convertible Senior Notes [Member] Four Point Seven Five Percentage Convertible Senior Notes Member Four Point Seven Five Percentage Convertible Senior Notes Member Limited Partnership Investment [Member] Limited Partnership Investment [Member] Limited Partnership Investment [Member] Investment Expense [Member] Investment Expense [Member] Investment expense. Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income Net income Net income Sorrento Hills Village Sorrento [Member] Sorrento Hills Village - Sorrento, Florida Summary of Segment Assets Reconciled to Consolidated Balance Sheets Reconciliation of Assets from Segment to Consolidated [Table Text Block] Leases, Acquired-in-Place [Member] Other Comprehensive Income Loss Reclassification Adjustment From AOCI For Sale Of Securities Net Of Tax Before Noncontrolling Interests Other Comprehensive Income Loss Reclassification Adjustment From AOCI For Sale Of Securities Net Of Tax Before Noncontrolling Interests Reclassification to net realized investment gains Long-term Debt, Type Long-Term Debt, Type [Domain] Weighted Average Number of Shares Outstanding, Basic Weighted Average Number of Shares Outstanding, Basic, Total Income attributable to common stockholders, Shares (Denominator) Revenue from External Customers by Geographic Areas [Table Text Block] Summary Of Gross Premium Earned By Geographic Location Exercisable, Aggregate Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Operating leases: Operating lease: Leases, Operating [Abstract] Accumulated Other Comprehensive Income Loss Net Of Tax Before Noncontrolling Interest Accumulated Other Comprehensive Income Loss Net Of Tax Before Noncontrolling Interest Ending balance Beginning balance Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Gross Unrealized Losses, Twelve Months or Longer Segments Segments [Axis] Long-Lived Tangible Asset Long-Lived Tangible Asset [Domain] Funds Held under Reinsurance Agreements, Liability Funds Held under Reinsurance Agreements, Liability Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Subsequent Events Subsequent Events [Text Block] Related Party Transactions Related Party Transactions Disclosure [Text Block] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition APIC, Share-based Payment Arrangement, Increase for Cost Recognition, Total Total stockholders’ equity Equity, Attributable to Parent Stockholders' Equity Attributable to Parent, Beginning Balance Stockholders' Equity Attributable to Parent, Ending Balance Summary of Unaudited Financial Information and Unaudited Financial Position Schedule of Variable Interest Entities [Table Text Block] Summary of Unaudited Financial Information and Unaudited Financial Position Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax, Total Reclassification adjustment for net realized losses Reclassification to net realized investment gains Reclassification to net realized investment gains Schedule of Interest Expense Related to Long-Term Debt Interest Income and Interest Expense Disclosure [Table Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Fair valu of assets held by insurance regulators Fair Valu Of Assets Held By Insurance Regulators Fair valu of investment securities on deposit with state regulatory authorities in connection with capital requirements. Renewal Option Lessee, Operating Lease, Existence of Option to Extend [true false] Statement of Stockholders' Equity [Abstract] Disclosure Of Leases [Abstract] Disclosure of Leases Real estate investments Real estate investments Real Estate Investments, Net Inducement Costs [Member] Inducement Costs [Member] Redeemable Noncontrolling Interest [Table] Disclosure of operating leases of lessor entity Disclosure Of Operating Leases Of Lessor Table [Text Block] Disclosure of qualitative information of lessor entity's operating leases. Reinsurance Premiums For Insurance Companies By Product Segment [Table] SEC Schedule, 12-17, Insurance Companies, Reinsurance [Table] Series A Preferred Stock [Member] Series A Preferred Stock [Member] Use Of Estimates Use of Estimates, Policy [Policy Text Block] Schedule Of Equity Method Investments [Table] Equity Method Investment [Table] Schedule of Remaining Weighted-Average Amortization Period for Intangible Assets Schedule Of Remaining Weighted Average Amortization Period For Intangible Assets Table [Text Block] Schedule of remaining weighted average amortization period for intangible assets. Reinsurance. Reinsurance [Member] Reinsurance [Member] Defined Benefit Plan Disclosure [Line Items] Over-Allotment Option [Member] OverAllotment Gain (Loss), Foreign Currency Transaction, before Tax Foreign Currency Transaction Gain (Loss), before Tax, Total Foreign currency remeasurement loss Fair Value Measurements Fair Value Disclosures [Text Block] Dividends, date of declared Dividends Payable, Date Declared Declaration Date O 2026 M1 Dividends [Member] O 2026 M1 Dividends [Member] O 2026 M1 Dividends [Member] Dividend Declaration Date January 14, 2026 Losses and loss adjustment expenses Increase (Decrease) in Property and Casualty Insurance Liabilities Noncontrolling Interests [Member] Noncontrolling Interest [Member] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Accrued Liabilities and Other Liabilities Accrued expenses and other liabilities Other prepaid expenses Prepaid Expense and Other Assets Debt Instrument, Periodic Payment Debt Instrument, Periodic Payment, Total Debt instrument periodic payment Adjustment To Undistributed Earnings Represents the adjustment to earnings (loss) distributed and allocated to participating securities, resulting from the assumption that dilutive securities were converted, options or warrants were exercised, or that other shares were issued upon the satisfaction of certain conditions. Net impact from reallocation of undistributed earnings to participating securities Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Summary Of Significant Accounting Policies [Table] Plan Name Plan Name [Domain] Lessee, Operating Lease, Liability, to be Paid, Next Rolling 12 Months 2025 Other assets Increase (Decrease) in Other Operating Assets Increase (Decrease) in Other Operating Assets, Total Valuation Methodology Debt Instrument Valuation Methodology Debt instrument, valuation methodology. Assumed premiums payable Assumed premiums payable Assumed premiums payable Anchor Tenant Relationships [Member] Anchor Tenant Relationship [Member] Anchor tenant relationship. Components of Long-Term Debt and Methods Used in Estimating Fair Values Table Of Methods Used To Estimate Debt Instrument Fair Value [Text Block] Tabular disclosure of methods used to estimate fair value of long-term debt. Entity Entity [Domain] Gross Realized Gains Equity Securities, FV-NI, Realized Gain Beginning Balance Ending Balance Temporary Equity, Including Noncontrolling Interest Temporary Equity, Carrying Amount, Including Portion Attributable to Noncontrolling Interests, Total Redeemable noncontrolling interest Redeemable noncontrolling interest (Note 16) 4.55% Promissory Note [Member] Four Point Five Five Percentage Promissory Notes [Member] Four point five five percentage promissory notes. Credit Facility Credit Facility [Axis] Schedule Of Investments [Line Items] Schedule of Investments [Line Items] Proceeds from (Repayments of) Lines of Credit Repayment under revolving credit facility, net Class of warrants outstanding Class of Warrant or Right, Outstanding Accrued Income Taxes Accrued Income Taxes, Total Income taxes payable Total revenue from non-affiliates Revenue From Non Affiliates Amount of revenue from external customers. Related and Nonrelated Parties [Axis] Collateral Held [Axis] Schedule Of Number Of Policies Assumed from Citizens And Annualized Gross Premiums Schedule Of Number Of Policies Assumed from Citizens And Annualized Gross Premiums Schedule Of Number Of Policies Assumed from Citizens And Annualized Gross Premiums Policy Renewal Rights [Member] Policy Renewal Rights [Member] Policy renewal rights. Schedule Of Investment Income Reported Amounts By Category [Table] Investment Income [Table] Entity Address, City or Town Entity Address, City or Town Finance Lease, Liability, to be Paid, after Rolling Year Five Thereafter Other Commitments [Axis] Cash, FDIC Insured Amount Repurchases of common stock, Shares Stock Repurchased During Period, Shares Repurchases of common stock, Shares Number of Reportable Segments 5.50% Promissory Note [Member] Five Point Five Zero Percentage Promissory Notes [Member] Five point five zero percentage promissory notes member. Security Exchange Name Security Exchange Name Credit Facility Credit Facility [Domain] Equity Method Investments And Cost Method Investments [Abstract] Equity Method Investments And Cost Method Investments [Abstract] Total Total principal amount Long-Term Debt, Gross Fifty five reinsurers. Fifty Five Reinsurers [Member] Fifty Five Reinsurers [Member] Segment Concentration Risk [Member] Segment Concentration Risk [Member] Segment Concentration Risk [Member] Net balance, end of period Liability for Unpaid Claims and Claims Adjustment Expense, Net Liability for Unpaid Claims and Claims Adjustment Expense, Net, Total Net balance, beginning of period (a) Maximum exposure loss relating to VIE Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Intersegment Eliminations [Member] Intersegment Eliminations [Member] Intangible Assets, Net Intangible Assets Disclosure [Text Block] Counterparty Name Counterparty Name [Axis] Income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income before income taxes Concentration Risk Type Concentration Risk Type [Domain] Reinsurance Recoverable for Paid Claims and Claims Adjustments Reinsurance Recoverable for Paid Claims and Claims Adjustments, Total Paid losses and loss adjustment expenses Real Estate [Abstract] Antidilutive Securities, Name Antidilutive Securities, Name [Domain] Number of reinsurers Number Of Reinsurers Number of reinsurers participating in the company's reinsurance program. Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Beginning Balance Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Ending Balance Cash and cash equivalents and restricted cash Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Measurement Basis Measurement Basis [Axis] Statistical Measurement Statistical Measurement [Domain] Reduction in premiums ceded Reduction To Ceded Premium Resulting From Reinsurance Adjustments Represents a reduction recognized in ceded premiums related to reinsurance contracts with retrospective provisions. Warrants outstanding exercise price Class of Warrant or Right, Exercise Price of Warrants or Rights Recognized compensation expenses Share-Based Payment Arrangement, Expense Stock-based compensation expense Exzeo restricted stock awards Exzeo Restricted Stock Awards Expense Exzeo Restricted Stock Awards Expense Cash distribution Proceeds from Distributions Received from Real Estate Partnerships Document Period End Date Document Period End Date Variable Interest Entity, Measure of Activity [Abstract] Due after ten years, Estimated Fair Value Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 10 Years, Fair Value Title of Individual Title and Position [Axis] Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] Exercisable, Number of Options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Exercised, Number of Options Stock Redeemed Stock Redeemed or Called During Period, Value Lease acquisition costs, net Deferred Costs, Leasing, Net Deferred Costs, Leasing, Net, Total Net realized investment (gains) losses Debt And Equity Securities And Derivative Instruments Realized Gain Loss Excluding Credit Loss Amount of realized gains (losses) on investment in debt and equity securities. Excludes credit loss. Includes net realized gains (losses) on derivative instruments held for investment purposes. Net realized investment gains Long-Term Debt Long-Term Debt [Text Block] Less: Income attributable to participating securities Less: Loss (income) attributable to participating securities Participating Securities, Distributed and Undistributed Earnings (Loss), Basic Statement of Financial Position [Abstract] Revenue [Policy Text Block] Revenue from Claims Processing Services Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest, Total Net income attributable to noncontrolling interests Net income attributable to noncontrolling interests Gross Realized Losses Gross Realized Losses Debt Securities, Available-for-Sale, Realized Loss Net of Tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Increase Decrease Reinsurance Payable On Paid Losses And Loss Adjustment Expense Reinsurance payable on paid losses and loss adjustment expenses Amount of increase (decrease) in liability to reflect the paid losses and loss adjustment expenses payable to the ceding insurer at the balance sheet date. Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation [Abstract] Class of Stock [Axis] Class of Stock Number of securities in an unrealized loss position Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions ASU 2020-06 [Member] Accounting Standards Update No202006 [Member] Accounting Standards Update No: 2020-06. Noncontrolling Interests Noncontrolling Interests Policy [Text Block] Disclosure of accounting policy for nonredeemable noncontrolling interests. Represents the number of policies the company actually assumes. Assumed Policies Assumed policies Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] Schedule of Other Comprehensive Income Related Tax Effects Total liabilities Total liabilities Liabilities Tenant and leasehold improvements Tenant Improvements Disclosure of operating and finance leases of lessee Disclosure Of Operating And Finance Leases Of Lessee Table [Text Block] Disclosure of qualitative information of lessee entity's operating and finance leases. Financial Instruments Financial Instruments [Domain] Gross written Gross premiums written Premiums Written, Gross Investment additional maturity term Investment Additional Maturity Term Represents the maximum investment period that can be extended. Disclosure Of Leases [Line Items] Disclosure Of Leases [Line Items] Disclosure of Leases Real Estate Properties [Domain] Restricted Cash and Cash Equivalent Item [Line Items] Restricted Cash, Total Restricted Cash Restricted cash United [Member] United Insurance Holdings Corporation [Member] United insurance holdings corporation. Restricted Stock [Member] Restricted Stock Amortization - ROU assets Finance Lease, Right-of-Use Asset, Amortization Intangible assets Total, at cost Finite-Lived Intangible Assets, Gross Finite-Lived Intangible Assets, Gross, Total Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Gross Unrealized Losses, Less than Twelve Months Northeast Region [Member] US Northeast Region [Member] Two Reinsurers [Member] Two Reinsurers [Member] Two reinsurers. Weighted Average Number of Shares Outstanding, Diluted (Loss) income available to common stockholders and assumed conversions, Shares (Denominator) Income attributable to common stockholders (Denominator) Entity File Number Securities Act File Number Payments of Ordinary Dividends, Common Stock Common stock dividends OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax Net unrealized gains Net unrealized losses and gains Other Other Assets Other assets Other assets Cover [Abstract] Debt and Equity Securities, FV-NI [Line Items] Debt and Equity Securities, FV-NI [Line Items] Due after five years through ten years, Cost or Amortized Cost Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years, Amortized Cost Distributions received from limited partnership interests Distributions From Limited Partnership For Return On Investment Amount of distributions received from limited partnerships for return on investment. Distributions received from limited partnership investments Debt Instrument, Convertible Senior Notes, Per Share in Principal Amount Debt Instrument, Conversion, Principal Amount Debt Instrument, Conversion, Principal Amount Forfeited, Number of Restricted Stock Awards Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Cash, Cash Equivalents, and Restricted Cash Cash and Cash Equivalents Disclosure [Text Block] Reclassification adjustment for net realized gains Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax, Total Reclassification adjustment for net realized losses Reclassification to net realized investment gains Reclassification to net realized investment gains Investments Investments [Domain] Lessee, Operating Lease, Liability, to be Paid, after Rolling Year Five Thereafter Assumptions Used to Estimate the Fair Value of Stock Options Granted Schedule Of Assumptions For Stock Options Table [Text Block] Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected life (b) expected volatility of the entity's shares, (c) expected dividends, and (d) risk-free rate(s). Sales Revenue, Net [Member] Revenue Benchmark [Member] Other Comprehensive Income (Loss) [Member] Other Comprehensive Income (Loss) [Member] Repayment of long-term debt Repayments Of Long Term Debt Excluding Senior Notes The cash outflow to pay long-term debt excluding senior notes. Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized No of shares authorized Number of operating divisions Number of Operating Segments Sale of Stock [Domain] Segment Information Segment Reporting Disclosure [Text Block] Other Real Estate Investments, Other Common Stock Target Price The market price the company's common stock must reach. Common Stock Target Price Former Employee [Member] Former Employee [Member] Gain on sale Gain on Sale of Investments Gain on sale of real estate investments Gain on sale of real estate investments Property in Sorrento Real Esate Investment Property in Sorrento [Member] Real Esate Investment Property in Sorrento [Member] Pineda Landings Melbourne [Member] Pineda Landings - Melbourne, Florida Policy fee income Insurance Commissions and Fees Subsequent Event [Table] Subsequent Event [Table] Finance Lease, Liability, to be Paid, Rolling Year Four 2027 Thereafter Long-Term Debt, Maturities, Repayments of Principal in Rolling after Year Five Intangible assets, net Intangible assets, net Finite-Lived Intangible Assets, Net Finite-Lived Intangible Assets, Net, Beginning Balance Finite-Lived Intangible Assets, Net, Ending Balance Assumed premiums written Assumed Assumed Premiums Written Assumed premiums written Summary of Cash, Cash Equivalents, and Restricted Cash Schedule Of Reconciliation Of Cash Cash Equivalents And Restricted Cash Table [Text Block] Tabular disclosure of a reconciliation of cash, cash equivalents, and restricted cash reported within the statement of financial position that sum to the total of the same such amounts shown in the statement of cash flows. Schedule of Investments [Table] Schedule Of Investments [Table] Adoption of New Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Boat Dock Wet Slips Boat docks/wet slips [Member] Boat Docks Wet Slips [Member] Ownership Ownership [Axis] Stock options vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Granted option vesting period term Proceeds from sale of land Proceeds from Sale, Land, Held-for-Use Net Income Loss From Investment Portfolio Net income (loss) from investment portfolio. Net income from investment portfolio Comprehensive Income (Loss) Note [Text Block] Other Comprehensive Income (Loss) Reinsurance recoverable Reinsurance Recoverable for Paid and Unpaid Claims and Claims Adjustments Reinsurance Recoverable for Paid and Unpaid Claims and Claims Adjustments, Total Carrying Value [Member] Reported Value Measurement [Member] Reclassification to net investment income Other Comprehensive Income Call and Repayment Gains Losses Charged to Investment Income Net of Tax Including Portion Attributable to Noncontrolling Interest Other Comprehensive Income Call and Repayment Gains Losses Charged to Investment Income Net of Tax Including Portion Attributable to Noncontrolling Interest Reclassification to net investment income Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Unrecognized compensation expense related to nonvested restricted stock Unrecognized compensation expense related to nonvested stock awards Schedule of Company's Investments in Limited Partnerships Investment Holdings, Schedule of Investments [Table Text Block] Initial Term Lessee, Operating Lease, Term of Contract Common stock, outstanding Common Stock, Shares, Outstanding Common Stock, Shares, Outstanding, Beginning Balance Common Stock, Shares, Outstanding, Ending Balance Common stock, outstanding Depreciation and amortization Depreciation and amortization expenses under real estate investments Depreciation, Depletion and Amortization Depreciation, Depletion and Amortization, Total Schedule of Future Minimum Aggregate Premium Amounts Payable to Reinsurer Contractual Obligation, Fiscal Year Maturity [Table Text Block] Assets [Member] Assets, Total [Member] Dividends [Domain] Document Transition Report Document Transition Report Total expenses Total expenses Operating Expenses Operating Expenses, Total HCPCI Insurance Operations [Member] H C P C I Insurance Operations [Member] HCPCI insurance operations. Number of installment payments including both interest and principal payments. Debt Instrument Number Of Installment Payment Number of installment payments Conversion of Stock, Amount Issued Conversion of senior notes to common stock Stock repurchased and retired, total costs Repurchases of common stock Payments for Repurchase of Common Stock Gain on sale of liquor license Other Nonrecurring Gain Noncompete Agreements [Member] Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income Statement of Cash Flows [Abstract] Personnel and other operating expenses Personnel And Other Operating Expenses Personnel and other operating expenses. Summary of Company's Stock Option Plan Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Operating lease. Operating Lease [Abstract] Operating lease: Balance sheet: Equity Method Investment, Summarized Financial Information [Abstract] Equity Equity [Text Block] Prior periods Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Prior Years Prior periods Restricted Stock or Unit Expense Restricted stock awards Finite Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Earnings Per Share Earnings Per Share [Text Block] Unvested Restricted Stock Award Meet Market Condition Unvested Restricted Stock Award Meet Market Condition Unvested Restricted Stock Award Meet Market Condition Temporary Equity [Line Items] Temporary Equity [Line Items] Impact on the value of the noncontrolling interest resulting from subsidiary stock-based compensation. Dilution from subsidiary stock-based compensation Noncontrolling Interest Increase From Dilution Of Subsidiary Stock Based Compensation Information with Respect to Unvested Restricted Stock Awards and Incentive Plan Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Reclassification to net investment income Other Comprehensive Income Call And Repayment Gains Losses Charged To Investment Income Net Of Tax Before Noncontrolling Interest Other Comprehensive Income Call And Repayment Gains Losses Charged To Investment Income Net Of Tax Before Noncontrolling Interest Net income after noncontrolling interests Outstanding, Aggregate Intrinsic Value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Five 2029 Partner Type of Partners' Capital Account, Name Partner Type of Partners' Capital Account, Name [Domain] Accounting Changes and Error Corrections [Abstract] Advance premiums Advance premiums Advance premiums Operating Lease, Cost Operating lease costs Real estate investments Real Estate Investment Income Loss Net Net amount of income (loss) from investments in real estate. Equity Securities, FV-NI, Unrealized Gain (Loss) Equity Securities, FV-NI, Unrealized Gain (Loss), Total Net unrealized investment gains (losses) Net unrealized investment gains Net unrealized investment gains Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Amount of assumed premiums written payable to ceding entities due to subsequent premium adjustment Assumed Premiums Written Payable Assumed premiums written payable Ceded Credit Risk, Reinsurer Reinsurer, Name [Axis] Deferred income taxes on above change Other Comprehensive Income Loss Available For Sale Securities Including Credit Loss Change In Period Tax Amount of tax expense (benefit), after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Includes amounts related to credit loss. Other comprehensive income Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Hurricane [Member] Hurricane [Member] Cash paid for amounts included in the measurement of lease liabilities: Cash Paid For Amount In Measurement Of Lease Liabilities [Abstract] Cash paid for amount in measurement of lease liabilities Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Period Increase (Decrease), Weighted Average Exercise Price Weighted-average exercise price Operating cash flows – operating leases Operating Lease, Payments Lease payments net Assets Assets [Abstract] Partner Type Partner Type [Axis] Disclosure of right-of-use assets and liabilities for operating and finance leases Disclosure Of Right Of Use Assets And Liabilities For Operating And Finance Leases Table [Text Block] Disclosure of right-of-use assets and liabilities for operating and finance leases. Amortization of Debt Issuance Costs and Discounts, Total Amortization of Debt Issuance Costs and Discounts Non-cash expense (b) Name of Property [Domain] Document Fiscal Year Focus Document Fiscal Year Focus Less: accumulated depreciation and amortization Real Estate Investment Property, Accumulated Depreciation Schedule of Components of Other Comprehensive Income or Loss and Related Tax Effects Allocated to Each Component Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Debt Conversion, Converted Instrument, Shares Issued Number of stock issued upon conversion of convertible note Common stock issued on conversions of 4.25% senior notes, Share Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Payment of Net Share Settlements and Other Payment of Net Share Settlements and Other Payment of net share settlements and other Payment of net share settlements and other Total Interest Expense, Long-Term Debt In-Place Leases [Member] In Place Leases [Member] In-place leases. Percentage investment held by the entity Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest Equity Securities, FV-NI, Gain (Loss) Net gains recognized Profit commission on net profit Profit Commission On Net Profit Percentage of profit commission on net profit. Unearned premiums Increase (Decrease) in Unearned Premiums Accumulated Other Comprehensive Income Loss Available For Sale Securities Including Credit Loss Change in Period Tax Amount of tax expense (benefit), after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Includes amounts related to credit loss. Beginning Period Ending Period Summary of Unrealized Gains and Losses for Equity Securities Unrealized Gain (Loss) on Investments [Table Text Block] Premiums Earned, Net [Abstract] Premiums Earned: Debt Conversion, Converted Instrument, Amount Conversion of Convertible Senior Notes Number of stock issued upon conversion of convertible note Total, at cost Real Estate Investment Property, at Cost Available-for-Sale-Fixed-Maturity Securities [Member] Fixed-Maturity Securities [Member] Fixed Maturities [Member] Net Investment Income Net investment income Net Investment Income Other Liabilities Other Liabilities, Total Other liabilities Other liabilities Summary of Other Assets Schedule of Other Assets [Table Text Block] Proceeds from Stock Options Exercised Proceeds from exercise of stock options Fair Value Disclosures [Abstract] Commitments and Contingencies Disclosure [Abstract] Increase in long-term debt Increase (Decrease) in Finance Receivables Real Estate Property Ownership [Axis] FLORIDA Florida [Member] Net Income (Loss) Available to Common Stockholders, Basic Income attributable to common stockholders Net Income (Loss) Attributable to Redeemable Noncontrolling Interest Net Income (Loss) Attributable to Redeemable Noncontrolling Interest, Total Less: Net income attributable to redeemable noncontrolling interest Net income attributable to redeemable noncontrolling interest Net income attributable to redeemable noncontrolling interests (Note 19) Revolving credit facility Revolving credit facility Long-Term Line of Credit Long-term Line of Credit, Total Variable Interest Entity, Primary Beneficiary, Maximum Loss Exposure, Amount Variable Interest Entity, Primary Beneficiary, Maximum Loss Exposure, Amount Share-Based Payment Arrangement [Abstract] 2012 Omnibus Incentive Plan [Member] Omnibus Incentive Plan New Plan Two Thousand And Twelve [Member] Omnibus incentive plan new plan two thousand and twelve. Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Unrecognized compensation expense related to nonvested restricted stock and stock options Finance Lease, Liability, to be Paid, Next Rolling 12 Months 2024 Sale of Stock [Axis] Concentration risk, percentage Concentration Risk, Percentage Percentage of reinsurance recoverable major reinsurers Total income Total revenue Total revenues Revenues Income taxes Increase (Decrease) in Income Taxes Receivable Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Net cash provided by (used in) investing activities Exzeo Group Inc [Member] Exzeo Group Inc [Member] Exzeo Group Inc Finance leases (in years) Finance Lease, Weighted Average Remaining Lease Term Title of 12(b) Security Title of 12(b) Security Schedule Of Segment Reporting Information By Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Partners' Capital Account, Return of Capital Return of capital Office space [Member] Office Space [Member] Office space TypTap Group [Member] TypTap Group [Member] TypTap Group [Member] Share Repurchase Program, Remaining Authorized, Amount Remaining authorized amount Authorization amount share repurchase program Forfeited, Weighted-Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Percentage of ceding commission on ceded premiums written Percentage Of Ceding Commission On Ceded Premiums Written Percentage of ceding commission on ceded premiums written. Related and Nonrelated Parties [Domain] Credit And Equity Investments Primarily In Private Equity Owned Companies [Member] Credit And Equity Investments Primarily In Private Equity Owned Companies [Member] Credit and Equity Investments, Primarily in Private Equity-Owned Companies [Member] Income Taxes Income Tax Disclosure [Text Block] Allowance for Credit Loss Available-for-sale Debt securities, Allowance for credit losses Beginning Balance Ending Balance Debt Securities, Available-for-Sale, Allowance for Credit Loss Debt Securities, Available-for-sale, Allowance for Credit Loss, Total The increase (decrease) during the reporting period in the ceded reinsurance premiums payable to other insurance companies when the reporting entity has ceded a portion of its insurance risk. Ceded reinsurance premiums payable Increase Decrease In Ceded Reinsurance Premium Payable Participating Reinsurers [Member] Participating Reinsurers [Member] Participating Reinsurers [Member] Disclosure of lease liabilities maturities Disclosure Of Lease Liabilities Maturities Table [Text Block] Disclosure of lease liabilities maturities. Lease payments net Lessor, Operating Lease, Payment to be Received Lessor, Operating Lease, Payment to be Received, Total Payments to Acquire Limited Partnership Interests Investments in limited partnerships Consolidated Entities Consolidated Entities [Axis] Legal Entity Legal Entity [Axis] Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Outstanding, Beginning Balance, Weighted Average Exercise Price Outstanding, Ending Balance, Weighted Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Income Tax Disclosure [Abstract] Net amount payable to ceding entities under reinsurance contracts. The net amount includes written premiums assumed by the company, subsequent premium adjustment, commission payable and reinsurance payable for paid losses and loss adjustment expenses. Net Payable to Ceding Entity Net amount payable Additional Paid-In Capital [Member] Additional Paid-in Capital [Member] Commercial Mortgage Backed Securities [Member] Commercial Mortgage-Backed Securities [Member] Gain (loss) income from unconsolidated joint venture. Gain (Loss) Income From Unconsolidated Joint Venture [Member] Net income (loss) from unconsolidated joint venture [Member] Measurement Frequency Measurement Frequency [Domain] Authorization Amount Share Repurchase Program Share Repurchase Program, Authorized, Amount Statement of Income Location, Balance [Axis] Statement of Income Location Balance Information about Options Exercised Schedule of Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value [Table Text Block] Trading Symbol Trading Symbol Schedule Of Finite Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Equity Securities Equity Securities, FV-NI, Current Equity securities, at fair value (cost: $62,461 and $61,597, respectively) Renewal Rights and Non-compete Agreement [Member] Renewal Rights And Non Compete Agreement [Member] Renewal rights and non-compete agreement. TTIG [Member] Typ Tap Insurance Group Inc [Member] TypTap Insurance Group, Inc. Extinguishment of Debt [Axis] Additional funding circumstances Additional Funding Requirement And Circumstances Additional funding requirement and circumstances. 5.50% Promissory Note [Member] Five Point Five Zero Percentage Promissory Note [Member] Five Point Five Zero Percentage Promissory Note [Member] Subsequent Event Type Subsequent Event Type [Axis] Schedule of Intangible Assets, Net Schedule of Finite-Lived Intangible Assets [Table Text Block] Forty Five Reinsurers [Member] Forty Five Reinsurers [Member] Forty five reinsurers Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Initial Term Lessee, Finance Lease, Term of Contract Summary of Amortized Cost, Gross Unrealized Gains and Losses, and Estimated Fair Value of Equity Securities Schedule Of Equity Securities Table [Text Block] Tabular disclosure of equity securities which includes changes in the cost basis and fair value, fair value and gross unrealized gain (loss). Hurricane Helene Hurricane Helene [Member] Hurricane Helene [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Recurring [Member] Financial Instruments, Owned, Mortgages, Mortgage-Backed and Asset-Backed Securities, at Fair Value Commercial mortgage backed securities Estimated Fair Value Schedule Of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Other Comprehensive Income Call And Repayment Gains Losses Charged To Investment Income Tax Effect Amount, income tax effect, of (gain) loss charged to investment income upon the call and repayment of available-for-sale securities recognized in other comprehensive income Reclassification to net investment income Reclassification to net investment income Total lease payments Lessee, Operating Lease, Liability, to be Paid Noncontrolling Interest Disclosure [Text Block] Redeemable Noncontrolling Interests Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less: interest Net income from limited partnership interests Gains Losses On Limited Partnerships Interest This item represents the entity's proportionate share for the period of the net income (loss) of its limited partnership interests to which the net asset value method or equity method of accounting is applied and the holding of these interests is for investment purposes. Net income loss from limited partnership interests Net loss (income) from limited partnership investments Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments Other than Temporary Impairment, Credit Losses Recognized in Earnings, Categories of Investments [Domain] Equity Components Equity Components [Axis] HCI Unvested Restricted Stock Awards Unvested restricted stock awards granted to Exzeo's employees HCI, unvested restricted stock awards Equity Component Equity Component [Domain] Asset Class [Axis] Goodwill and Intangible Assets Disclosure [Abstract] Deferred Policy Acquisition Cost Deferred Policy Acquisition Cost, Total Deferred Policy Acquisition Cost, Beginning Balance Deferred Policy Acquisition Cost, Ending Balance Deferred policy acquisition costs Deferred policy acquisition costs Real Estate Operations [Member] Real Estate Operations [Member] Real estate operations. Number of Nonvested Restricted Stock Award Number of Unvested Restricted Stock Award Number of Unvested Restricted Stock Award Total investments Investments Other Comprehensive Income Location [Domain] Reclassification to net realized investment gains Other Comprehensive Income Loss Reclassification Adjustment from AOCI for Sale of Securities Net of Tax Including Portion Attributable to Noncontrolling Interest Other Comprehensive Income Loss Reclassification Adjustment from AOCI for Sale of Securities Net of Tax Including Portion Attributable to Noncontrolling Interest Redeemable Preferred Stock [Member] Redeemable Preferred Stock [Member] Other Comprehensive Income Location [Axis] Investment additional maturity term Investment Additional Maturity Term With Consent Of Advisory Committee Represents the maximum investment period that can be extended with the consent of the advisory committee. IPO [Member] Net realized investment gains Non-cash Debt And Equity Securities And Derivative Instruments Realized Gain Loss Excluding Credit Loss The non-cash amount of realized gains (losses) on investment in debt and equity securities. Excludes credit loss. Includes net realized gains (losses) on derivative instruments held for investment purposes. Nature Of Operations [Line Items] Nature Of Operations [Line Items] Nature of operations. Stock options exercisable contractual term Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Net Investment Income [Line Items] Share Repurchase Agreement [Member] Share Repurchase Agreement. Share Repurchase Agreement [Member] Net income (loss) Net Income Loss Before Redeemable Non Controlling Interest Net Income (loss) before portion attributable to redeemable noncontrolling interest. Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Depreciation, Depletion and Amortization, Nonproduction, Total U.S. Treasury and U.S. Government Agencies [Member] US Treasury and Government [Member] Common Stock, Voting Rights Common Stock Voting Rights Statement of Comprehensive Income [Abstract] Summary of Allowance for Credit Losses of Available-for-Sale Securities Debt Securities, Available-for-Sale, Allowance for Credit Loss [Table Text Block] Maximum [Member] Maximum [Member] Dividends Payable, Date to be Paid Dividends, date of payment Payment Date Convertible debt, conversion ratio Debt Instrument, Convertible, Conversion Ratio Statistical Measurement Statistical Measurement [Axis] Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Exercised, Weighted-Average Exercise Price Premiums Written, Net Net premiums written Less: accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Accrued expenses and other liabilities Increase (Decrease) in Other Accounts Payable and Accrued Liabilities Common Stock, Value, Issued Common Stock, Value, Issued, Total Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Ending Balance Common stock (no par value, 40,000,000 shares authorized, 12,900,905 and 12,992,147 shares issued and outstanding, respectively) Private US Lower Middle Market Companies [Member] Private U S Lower Middle Market Companies [Member] Private US lower middle market companies. Income available to common stockholders and assumed conversions (Numerator) Net Income (Loss) Available to Common Stockholders, Diluted Income attributable to common stockholders Financing cash flows – finance leases Finance Lease, Principal Payments Non Compete Agreement [Member] Non Compete Agreement [Member] Non Compete Agreement. Credit facility, expiration date Line of Credit Facility, Expiration Date Direct Direct Premiums Written Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Three 2027 Premium Receivable, Allowance for Credit Loss, Beginning Balance Premium Receivable, Allowance for Credit Loss, Ending Balance Premium Receivable, Allowance for Credit Loss Premiums Receivable, Allowance Cash distributions Distribution Made to Limited Partner, Cash Distributions Paid Dividends [Axis] Cash and Cash Equivalents [Abstract] Cumulative effect of change in accounting principle Total equity Equity, Including Portion Attributable to Noncontrolling Interest Beginning Balance, amount Ending Balance, amount Nature Of Operations [Table] Nature Of Operations [Table] Nature of operations. Gross Realized Gains Debt Securities, Available-for-Sale, Realized Gain Five Point Six Five Percentage Promissory Notes [Member] Five Point Six Five Percentage Promissory Notes [Member] 5.65% Promissory Note [Member] Deferred policy acquisition costs Increase (Decrease) in Deferred Policy Acquisition Costs O 2025 Q3 Dividends [Member] O 2025 Q3 Dividends [Member] Declared on July 1, 2025 [Member] Premiums Receivable, Net, Total Premiums Receivable, Net Premiums receivable , net Premiums receivable, net (allowance: $5,192 and $4,469, respectively) (a) Funds Held under Reinsurance Agreements, Asset Funds held in trust for assumed business Funds withheld for assumed business Non-cash expense (a) Amortization of Debt Issuance Costs Amortization of Debt Issuance Costs Exzeo IPO [Member] Exzeo IPO Member Exzeo IPO Total expenses Benefits, Losses and Expenses Current period Current Year Claims and Claims Adjustment Expense Current year claims and claims adjustment expense O2026 Q1 Dividends [Member] O2026 Q1 Dividends [Member] Summary of Proceeds Received, Gross Realized Gains and Losses from Sales of Equity Securities Realized Gain Loss On Equity Securities Table [Text Block] Tabular disclosure of realized gains and losses on equity securities reported in the statement of income. Preferred Stock, Shares Authorized Preferred shares authorized Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest, Total Comprehensive income attributable to noncontrolling interests Initial Term Lessor, Operating Lease, Term of Contract Finite-Lived Intangible Assets by Major Class Finite-Lived Intangible Assets by Major Class [Axis] Net premiums earned Premiums Earned, Net Lender Name [Axis] Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss, Total Gross Unrealized Losses, Total Repayments of convertible debt Repayments of Convertible Debt Schedule of Dividends Payable [Table Text Block] Schedule of Frequency and Amount of all Cash Dividends Declared Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Debt Security Category Debt Security Category [Axis] Entity Registrant Name Entity Registrant Name Revolving Credit Facility Debt Disclosure [Text Block] Total long-term debt Long-term debt Long Term Debt And Finance Lease Obligations Excluding Line Of Credit Amount, after unamortized debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans, commercial paper, and finance lease obligations. Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Fixed-maturity securities, Gross Unrealized Losses Purchase and Sale Agreement [Member] Purchase and Sale Agreement [Member] Purchase and Sale Agreement Bank Loans Public and Private Corporate Bonds Asset Backed Securities Equity and Debt Restructuring [Member] Bank Loans Public And Private Corporate Bonds Asset Backed Securities Equity And Debt Restructuring [Member] Bank loans public and private corporate bonds asset backed securities equity and debt restructuring. Additional paid-in capital Additional Paid in Capital Additional Paid in Capital, Total Additional Paid in Capital, Beginning Balance Additional Paid in Capital, Ending Balance Carrying amount of liabilities as of the balance sheet date pertaining to amounts owed to the ceding insurer for commission under reinsurance contracts. Ceding Commission Payable Ceding commission payable Renewal Option Lessor, Operating Lease, Existence of Option to Extend [true false] Gross Realized Losses Equity Securities, FV-NI, Realized Loss Subsequent Events [Abstract] Other Assets Other Assets Disclosure [Text Block] Proceeds from sales of real estate investments Proceeds from Sale, Real Estate, Held-for-Investment Proceeds from Sale of Real Estate Held-for-investment, Total Finance Lease, Liability, to be Paid, Rolling Year Five 2028 Consolidated Entities Consolidated Entities [Domain] Income tax expense Income tax expense (benefit) Income Tax Expense (Benefit) Income Tax Expense (Benefit), Total Measurement Frequency Measurement Frequency [Axis] Cash dividends on common stock Common stock dividends Common Stock, Dividends, Per Share, Cash Paid Other investments Other Investments Other Investments, Total Repurchases of common stock, Value Stock Repurchased During Period, Value Repurchases of common stock, Value Proceeds from Issuance of Common Stock Proceeds from Issuance of Common Stock Income Tax Effect Other Comprehensive Income (Loss), Tax [Abstract] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Investment Income [Table Text Block] Investment Income Summarized Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding US States and Political Subdivisions Debt Securities [Member] States, Municipalities, and Political Subdivisions [Member] Employees and Nonemployee Directors [Member] Employees And Nonemployee Directors [Member] Employees and nonemployee directors. Interest Expense, Debt [Abstract] Accumulated other comprehensive income, net of taxes Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated other comprehensive income (loss) Beginning Period Ending Period Consolidation Items Consolidation Items [Axis] Purchase of property and equipment Payments to Acquire Property, Plant, and Equipment Payments to Acquire Property, Plant, and Equipment, Total Limited Partnership [Member] Limited Partner [Member] Gross premiums earned Gross Premiums Earned Property And Casualty Amount, before premiums ceded to other entities, of property and casualty direct and assumed premiums earned. Gross earned Number of shares issued Granted, Number of Restricted Stock Awards Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward] Common stock shares outstanding not owned by entity Common Stock Shares Outstanding Not Owned By Consolidating Entity The number of common stock shares outstanding not owned by the consolidating entity. 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Return Of Subscriber Surplus Contribution Return of contribution Lease costs: Lease, Cost [Abstract] Reinsurance Recoverable [Member] Reinsurance Recoverable Including Reinsurance Premium Paid [Member] Unearned Premiums Unearned Premiums, Total Unearned premiums Unearned premiums Number of restricted stock award shares vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Vested, Number of Restricted Stock Awards Share-Based Compensation Arrangement by Share-Based Payment Award, Vested, Shares Diluted Earnings Per Share: Earnings Per Share, Diluted [Abstract] Income available to common stockholders and assumed conversions , Per Share Amount Earnings Per Share, Diluted (Loss) income available to common stockholders and assumed conversions, Per Share Amount Diluted earnings per share Exzeo Stock Options Exzeo Stock Options Exzeo stock options Debt Conversion, Original Debt, Amount Convertible note conversion amount Summary of Segment Information Reconciled to Consolidated Statements of Income Schedule of Segment Reporting Information, by Segment [Table Text Block] Operating Segments [Member] Operating Segments [Member] Southeast Region [Member] US Southeast Region [Member] Title of Individual Title and Position [Domain] City Area Code City Area Code Long-Term Debt, Unclassified [Abstract] Debt Instrument, convertible, conversion date Debt Instrument, Convertible, Conversion Date Increase (Decrease) in Funds Held under Reinsurance Agreements Funds withheld for assumed business Disclosure of accounting policy for funds held in trust for assumed business, describing the activities in the account and the control and ownership of the account. Funds held in Trust under Reinsurance Agreements [Policy Text Block] Funds Held in Trust for Assumed Business Information about Deferred Tax Benefits Recognized Related to Restricted Stock Awards, Paid Dividends and the Fair Value of Vested Restricted Stock Summary Information Of Stock Based Compensation For Restricted Stock Awards Table [Text Block] Tabular disclosure of deferred tax benefits recognized related to restricted stock awards, including stock-based compensation expense, paid dividend and the fair value of shares vested during the period. Ceded losses recognized as a reduction in losses and loss adjustment expenses Policyholder Benefits and Claims Incurred, Ceded Other Comprehensive Income (Loss), Net of Tax Available-for-sale fixed-maturity securities Other comprehensive (loss) income, net of income taxes Other comprehensive (loss) income, net of income taxes Tax benefits realized for restricted stock and paid dividends Share Based Compensation Arrangement By Share Based Payment Award Tax Benefits Realized For Restricted Stock And Paid Dividends Represents the aggregate tax benefit realized from the vested restricted stock and the restricted stock dividends paid during the period. Accumulated Other Comprehensive Income Loss, Net Unrealized Gains and Losses, Net of Tax Accumulated Other Comprehensive Income Loss, Net Unrealized Gains and Losses, Net of Tax Net unrealized losses and gains Income Taxes Receivable Income taxes receivable Income taxes receivable Cash consideration in lieu of fractional shares Cash Consideration in Lieu of Fractional Shares Cash Consideration in Lieu of Fractional Shares Line of Credit Facility, Maximum Borrowing Capacity Credit facility, maximum borrowing capacity Credit facility borrowing capacity Variable Interest Entity, Not Primary Beneficiary [Member] Defined Benefit Plan [Table] Amount of increase (decrease) in premiums received prior to the policy effective date. Advance premiums Increase Decrease In Advances Premium Real Esate Investment Property held for sale Property in Sorrento Real Estate, Held-for-Sale Induced Conversion of Convertible Debt Expense Debt conversion expense Debt conversion expense Counterparty Name Counterparty Name [Domain] Company's net cumulative contributed capital to the partnership Contribution To Limited Partnership Represents the amount of cumulative cash contribution to acquire limited partnership interest as of the reporting date. Insurance [Abstract] Finance Lease, Liability, to be Paid, Rolling Year Three 2026 Revolving credit facility Lines of Credit, Fair Value Disclosure Net gain from legal settlement of real estate investments Gain (Loss) from Litigation Settlement Gain (Loss) Related to Litigation Settlement, Total Operating leases (in years) Operating Lease, Weighted Average Remaining Lease Term Property in Melbourne Real Esate Investment Property in Melbourne [Member] Real Esate Investment Property in Melbourne [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Issuance of restricted stock, shares Stock Issued During Period, Shares, Restricted Stock Award, Gross Total lease costs Lease, Cost Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Fair value of fixed-maturity securities on deposit Assets Designated to Closed Block, Fixed Maturity, Available-for-Sale, at Fair Value Property, Plant and Equipment, Net, Total Property and equipment, net Property, Plant and Equipment, Net Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Ending Balance Hurricane Debby [Member] Hurricane Debby [Member] Hurricane Debby Claims and claim adjustment expenses prior period development Prior periods Prior Year Claims and Claims Adjustment Expense Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total Cash and cash equivalents and restricted cash at beginning of period Cash and cash equivalents and restricted cash at end of period RPP Contract [Member] RPP Contract [Member] RPP Contract [Member] Common Stock Threshold Consecutive Trading Day Common Stock Threshold Consecutive Trading Days Threshold period of specified consecutive trading days within which common stock price must exceed a target price for specified number of trading days to trigger vesting. 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Redemption of long term debt Due after five years through ten years, Estimated Fair Value Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after 5 through 10 Years, Fair Value Operating Lease, Weighted Average Discount Rate, Percent Operating leases (%) (Level 1) [Member] Fair Value, Inputs, Level 1 [Member] Class of Stock [Line Items] Class of Stock [Line Items] Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Net cash used in financing activities Collateral Held [Domain] 10.50% Surplus Note Ten Point Five Zero Percentage Surplus Note [Member] Ten Point Five Zero Percentage Surplus Note [Member] Reinsurer Concentration Risk [Member] Reinsurer Concentration Risk [Member] Long-Term Debt [Member] Deferred Income Tax Liabilities, Net Deferred Income Tax Liabilities, Net, Total Deferred income tax liabilities, net Deferred income tax liabilities, net Extinguishment of Debt, Type [Domain] Secured Debt [Member] Secured Debt [Member] Long-Term Debt, Rolling Maturity [Abstract] 4.55% Promissory Note [Member] Four Point Five Five Percentage Promissory Note [Member] Four point five five percentage promissory note. Ceded Credit Risk, Reinsurer Reinsurer, Name [Domain] Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax, Total Reclassification adjustment for net realized gains Reclassification to net realized investment gains Reclassification to net realized investment gains Corporate Bonds [Member] Corporate Debt Securities [Member] Summary of Real Estate Investments Schedule of Real Estate Properties [Table Text Block] Debt Securities, Available-for-Sale [Table] Entity Interactive Data Current Entity Interactive Data Current Amount of FIGA assessments payable Amount of FIGA Assessments Payables Represents the amount of assessments payable to the Florida Insurance Guaranty Association ("FIGA") at a reporting date. Statement of Income Location Balance Statement of Income Location, Balance [Domain] Fair Value Measurement Fair Value Measurement [Domain] Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Repayments of Lines of Credit Repayments of lines of credit Recent Accounting Pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] Accretion (Amortization) of Discounts and Premiums, Investments Net accretion of discount on investments in available-for-sale fixed-maturity securities General And Administrative Personnel Expense General and administrative personnel expenses Payroll expenses for officers and non-officers. Includes share-based compensation, payroll taxes, and employee benefits. Excludes salaries and wages for policy acquisition and underwriting employees. Carrying amount of assets as of the balance sheet date pertaining to amounts due the entity for commission under reinsurance contracts. 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Payable On Purchases Of Equity Securities Payable on purchases of equity securities Construction in Progress, Gross Construction in progress - Haines City Local Phone Number Local Phone Number Investment income Gross Investment Income, Operating Due after one year through five years, Estimated Fair Value Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling after One Through Five Years, Fair Value Retail Site [Member] Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Unrecognized compensation expense related to nonvested stock options Short-term lease costs Short-Term Lease, Cost Exercise of common stock options, Shares Cancellation of restricted stock, shares Stock Issued During Period Shares Restricted Stock Award Cancelled Number of shares related to Restricted Stock Award cancelled during the period. Due in one year or less, Estimated Fair Value Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Fair Value Exchange-Traded Debt [Member] Exchange Traded Debt [Member] Exchange traded debt. Accounting Policies [Abstract] Debt Securities, Available-for-Sale, Maturity, Allocated and Single Maturity Date, Rolling within One Year, Amortized Cost Due in one year or less, Cost or Amortized Cost Add: reinsurance recoverable before allowance for credit losses Reinsurance Recoverables on Unpaid Losses, Gross The value of a deemed dividend resulting from an increase in a warrant’s fair value due to modification. Deemed Dividend From Warrant Modification Deemed dividend on warrant modification Forfeiture of restricted stock, shares Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Schedule Of Earnings Per Share Basic By Common Class [Table] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] O 2025 M1 Dividends [Member] O 2025 M1 Dividends [Member] O 2025 M1 Dividends [Member] Dividend Declaration Date January 14, 2025 Allowances for credit losses related to the reinsurance recoverable balance Reinsurance Recoverable, Allowance for Credit Loss Reinsurance Recoverable, Allowance for Credit Loss, Total Reinsurance Recoverable, Allowance for Credit Loss, Beginning Balance Reinsurance Recoverable, Allowance for Credit Loss, Ending Balance Cash and Cash Equivalents [Member] Cash and Cash Equivalents [Member] Class of Stock Class of Stock [Domain] Reciprocal Exchange Operation [Member] Reciprocal Exchange Operation [Member] Reciprocal Exchange Operation [Member] Common shares available for grant Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Recognition of remaining compensation expense over a weighted-average period Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Office Equipment [Member] Office Equipment [Member] Reserves For Losses And Loss Adjustment Expenses [Line Items] Reserves For Losses And Loss Adjustment Expenses [Line Items] Reserves For Losses And Loss Adjustment Expenses [Line Items] Consolidated Variable Interest Entities [Member] Consolidated Variable Interest Entities [Member] Schedule Of Stock By Class [Table] Stock, Class of Stock [Table] Entity Emerging Growth Company Entity Emerging Growth Company Area of Land Purchase of commercial property