Cover [Abstract] Entity Registrant Name Entity Central Index Key Document Type Amendment Flag Current Fiscal Year End Date Entity Small Business Entity Shell Company Entity Emerging Growth Company Entity Current Reporting Status Document Period End Date Entity Filer Category Document Fiscal Period Focus Document Fiscal Year Focus Entity Common Stock Shares Outstanding Document Quarterly Report Document Transition Report Entity Interactive Data Current Entity Incorporation State Country Code Entity Tax Identification Number Entity Address Address Line 1 Entity Address City Or Town Entity Address State Or Province Entity Address Postal Zip Code City Area Code Local Phone Number Security 12b Title Trading Symbol Security Exchange Name Entity File Number Condensed Consolidated Balance Sheets Assets Fixed-maturity securities, held-to-maturity, at amortized cost (fair value of $9,564,055 at March 31, 2021 and $8,194,824 at December 31, 2020) Fixed-maturity securities, available-for-sale, at fair value (amortized cost of $139,299,693 at March 31, 2021 and $145,045,584 at December 31, 2020) Equity securities, at fair value (cost of $32,651,343 at March 31, 2021 and $32,571,166 at December 31, 2020) Other investments Total investments [Investments] Cash and cash equivalents Premiums receivable, net Reinsurance receivables, net Deferred policy acquisition costs Intangible assets Property and equipment, net Other assets Total assets [Assets] Liabilities Loss and loss adjustment expense reserves Unearned premiums Advance premiums Reinsurance balances payable Deferred ceding commission revenue Accounts payable, accrued expenses and other liabilities Deferred income taxes, net Long-term debt, net Total liabilities [Liabilities] Commitments and Contingencies (Note 11) Stockholders' Equity Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, $.01 par value; authorized 2,500,000 shares Common stock, $.01 par value; authorized 20,000,000 shares; issued 11,935,321 shares at March 31, 2021 and 11,871,307 at December 31, 2020; outstanding 10,672,794 shares at March 31, 2021 and 10,616,815 shares at December 31, 2020 Capital in excess of par Accumulated other comprehensive income Retained earnings Equity [Equity] Treasury stock, at cost, 1,262,527 shares at March 31, 2021 and 1,254,492 shares at December 31, 2020 Total stockholders' equity [Stockholders' Equity Attributable to Parent] Total liabilities and stockholders' equity [Liabilities and Equity] Fixed-maturity securities, held-to-maturity, fair value Fixed-maturity securities, available-for-sale, amortized cost Equity securities, available-for-sale, cost Stockholders' Equity Preferred stock, par value Preferred stock, authorized shares Common stock, par value Common stock, authorized shares Common stock, issued shares Common stock, outstanding shares Treasury stock, shares Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) Revenues Net premiums earned Ceding commission revenue Net investment income Net gains (losses) on investments Other income Total revenues [Revenues] Expenses Loss and loss adjustment expenses Commission expense Other underwriting expenses Other operating expenses Depreciation and amortization Interest expense Total expenses [Operating Expenses] Loss from operations before income taxes [Other Comprehensive Income (Loss), before Tax] Income tax benefit Net loss [Net Income (Loss) Attributable to Parent] Other comprehensive loss, net of tax Gross change in unrealized losses on available-for-sale-securities Reclassification adjustment for gains included in net loss Net change in unrealized losses Income tax benefit related to items of other comprehensive loss Other comprehensive loss, net of tax [Comprehensive Income (Loss), Net of Tax, Attributable to Parent] Comprehensive loss Loss per common share: Basic Diluted Weighted average common shares outstanding Basic [Weighted Average Number of Shares Outstanding, Basic] Diluted [Weighted Average Number of Shares Outstanding, Diluted] Dividends declared and paid per common share Consolidated Statements of Stockholders Equity (Unaudited) Statement [Table] Statement [Line Items] Statement Equity Components [Axis] Preferred Stock Common Stock Treasury Stock Capital in Excess of Par Accumulated other comprehensive Income Retained Earnings Balance, shares [Shares, Issued] Balance, amount Stock-based compensation Vesting of restricted stock awards, shares Vesting of restricted stock awards, amount Shares deducted from restricted stock awards for payment of withholding taxes, shares Shares deducted from restricted stock awards for payment of withholding taxes, amount Acquisition of treasury stock, shares Acquisition of treasury stock, amount Dividends Net loss Change in unrealized gains on available- for-sale securities, net of tax Balance, shares Balance, amount Condensed Consolidated Statements of Cash Flows (Unaudited) Cash flows from operating activities: Net loss Adjustments to reconcile net loss to net cash flows provided by (used in) operating activities: Net gains on sale of investments Net unrealized (gains) losses on equity investments Net unrealized gains of other investments Depreciation and amortization Bad debts Amortization of bond premium, net Amortization of discount and issuance costs on long-term debt Stock-based compensation [Share-based Payment Arrangement, Noncash Expense] Deferred income tax (benefit) expense (Increase) decrease in operating assets: Premiums receivable, net [Increase (Decrease) in Premiums Receivable] Reinsurance receivables, net [Increase (Decrease) in Reinsurance Recoverable] Deferred policy acquisition costs [Increase (Decrease) in Deferred Policy Acquisition Costs] Other assets [Increase (Decrease) in Other Operating Assets] Increase (decrease) in operating liabilities: Loss and loss adjustment expense reserves [Increase (Decrease) in Future Policy Benefit Reserves] Unearned premiums [Increase (Decrease) in Unearned Premiums] Advance premiums [Advance premiums] Reinsurance balances payable [Increase (Decrease) in Reinsurance Payables] Deferred ceding commission revenue [Increase (Decrease) in Deferred Revenue] Accounts payable, accrued expenses and other liabilities [Increase (Decrease) in Accounts Payable and Accrued Liabilities] Net cash flows provided by (used in) operating activities [Net Cash Provided by (Used in) Operating Activities] Cash flows from investing activities: Purchase - fixed-maturity securities held-to-maturity [Payments to Acquire Held-to-maturity Securities] Purchase - fixed-maturity securities available-for-sale [Payments to Acquire Available-for-sale Securities, Equity] Purchase - equity securities [Payments to Acquire Debt Securities, Available-for-sale] Purchase - other investments [Purchase - other investments] Sale or maturity - fixed-maturity securities available-for-sale Sale - equity securities Acquisition of property and equipment [Payments to Acquire Property, Plant, and Equipment] Net cash flows provided by investing activities [Net Cash Provided by (Used in) Investing Activities] Cash flows from financing activities: Withholding taxes paid on vested retricted stock awards Purchase of treasury stock [Payments for Repurchase of Common Stock] Dividends paid [Payments of Dividends] Net cash flows used in financing activities [Net Cash Provided by (Used in) Financing Activities] Increase (decrease) in cash and cash equivalents [Cash and Cash Equivalents, Period Increase (Decrease)] Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Supplemental disclosures of cash flow information: Cash paid for income taxes Cash paid for interest Nature of Business 1. Nature of Business Accounting Policies 2. Summary of Significant Accounting Policies Investments 3. Investments Fair Value Measurements 4. Fair Value Measurements Fair Value of Financial Instruments and Real Estate 5. Fair Value of Financial Instruments and Real Estate Property and Casualty Insurance Activity 6. Property and Casualty Insurance Activity Debt 7. Debt Stockholders' Equity 8. Stockholders' Equity Income Taxes 9. Income Taxes 10. Earnings Per Common Share Commitments and Contingencies 11. Commitments and Contingencies Deferred Compensation Plan 12. Employee Benefit Plans Subsequent Events 13. Subsequent Events Use of Estimates Principles of Consolidation Accounting changes Accounting Pronouncements Schedule of Available for Sale Securities Schedule of available for sale fixed maturity securities contractual maturity Schedule of equity securities Schedule of Other Investments Schedule of Held to Maturity Securities Schedule of Held to Maturity Securities by contractual maturity Schedule of Investment Income Schedule of Securities with realized gains and losses on investments Schedule of Securities with Unrealized Losses Schedule of Fair Value Measurements Schedule of Hedge Fund Investments Fair value hierarchy of long-term debt Fair Value of Financial Instruments and Real Estate (Tables) Schedule of Fair Value of Financial Instruments Schedule of Earned Premiums Schedule of Loss and Loss Adjustment Expenses Incurred Claims and Allocated Claim Adjustment Expenses Cumulative Paid Claims and Allocated Claim Adjustment Expenses Reconciliation of the net incurred and paid claims Supplementary unaudited information about average historical claims duration Schedule of Ceding Commission Revenue Long-term debt Schedule of stock option activity Weighted average assumptions Schedule of Restriced Stock Awards Schedule of Deferrred Tax Assets and Liabilities Schedule of net operating loss carryovers Reconciliation of the weighted average number of shares of Common Stock used in the calculation of basic and diluted earnings per common share Lease cost Schedule of lease liability maturities Direct written premiums, percentage Financial Instrument [Axis] Information By Category Of Debt Security Axis U.S. Treasury Securities and Obligations of U.S. Government [Member] Fixed-Maturity Securities Political Subdivisions Of States Territories And Possessions [Member] Fixed-Maturity Securities Corporate And Other Bonds Industrial And Miscellaneous [Member] Fixed Maturity Securities Residential Mortgage and other asset backed securities [Member] Fixed Maturity Securities Total Fixed Maturity Securities [Member] Cost or amortized cost Gross unrealized gains Gross unrealized losses - less than 12 months Gross unrealized loss - more than 12 months Estimated fair value Net unrealized gains Less Than One Year [Member] One To Five Years [Member] Five To Ten Years [Member] More Than 10 Years [Member] Residential mortgage-backed securities [Member] Amortized cost Estimated fair value [Estimated fair value] Statement Class Of Stock Axis Collateral [Axis] Balance Sheet Location [Axis] Preferred Stock [Member] Common stock, mutual fund and exchange traded funds [Member] Equity Securities [Member] Hedge Fund [Member] Real Estate Limited Partnership [Member] Other Investments [Member] Cost Estimated fair value Gross gains Gross losses Exchange Traded Debt [Member] Held-to-Maturity Securities US Treasury Securities [Member] Net unrealized gains [Net unrealized gains] Estimated fair value [Estimated fair value 1] Gross unrealized loss - more than 12 months [Gross unrealized loss - more than 12 months] Gross unrealized losses - less than 12 months [Gross unrealized losses - less than 12 months] Gross unrealized gains [Gross unrealized gains] Cost or amortized cost [Cost or amortized cost] Amortized cost [Amortized cost] Estimated fair value [Estimated fair value 2] Fixed-maturity securities Equity securities Cash and cash equivalents [Cash and cash equivalents] Total [Total] Investment expenses Net investment income [Investment Income, Net] Gross realized gains Gross realized losses Total fixed-maturity securities Gross realized gains [Available-for-sale Securities, Gross Realized Gains] Gross realized losses [Available-for-sale Securities, Gross Realized Gain (Loss), Excluding Other than Temporary Impairments] Total equity securities Net realized gains Gross gains [Available-for-sale Equity Securities, Gross Unrealized Gain] Gross losses [Available-for-sale Equity Securities, Gross Unrealized Loss] Total equity securities [Total equity securities] Gross gains [Gross gains] Gross losses [Gross losses] Total other investments Net unrealized gains [Net unrealized gains 1] Net gains on investments Estimated fair value - less than 12 months Unrealized losses - less than 12 months Number of positions held - less than 12 months Unrealized losses - 12 months or more Number of positions held - 12 months or more Unrealized losses - total Estimated fair value - total Estimated fair value - 12 months or more Title of Individual [Axis] KICO [Domain] Proceeds from the sale and redemption of fixed-maturity securities held-to-maturity Proceeds from the sale or maturity of fixed-maturity securities available-for-sale Sale - equity securities Estimated fair value Fair Value Measurements (Details) Fair Value By Fair Value Hierarchy Level Axis Level 1 [Member] Level 2 [Member] Level 3 [Member] U.S. Treasury securities and obligations of U.S. government corporations and agencies Political subdivisions of states, territories and possessions Corporate and other bonds industrial and miscellaneous Residential mortgage and other asset backed securities Total fixed maturities Equity securities [Equity securities] Total investments [Assets, Fair Value Disclosure] Hedge fund investments Senior Notes due 2022 Carrying Value [Member] Fair Value [Member] Fixed-maturity securities held-to-maturity Cash and cash equivalents [Cash and Cash Equivalents, Fair Value Disclosure] Premiums receivable, net [Premiums Receivable, Gross] Reinsurance receivables, net [Reinsurance Recoverables, Case Basis] Real estate, net of accumulated depreciation Reinsurance balances payable Reinsurance Policy Type Axis Premiums Written Changes In Unearned Premiums Premiums Earned Direct Assumed Ceded Net Balance at beginning of period Less reinsurance recoverables Net balance, beginning of period Current year Prior years Total incurred Current year [Current year] Prior years [Prior years] Total paid Net balance at end of period Add reinsurance recoverables Balance at end of period Range [Axis] Two Thousand Twelve Member Two Thousand Thirteen Member Two Thousand Fourteen Member Two Thousand Fifteen Member Two Thousand Sixteen Member Two Thousand Seventeen Member Two Thousand Eighteen Member Two Thousand Nineteen Member Two Thousand Twenty Member Two Thousand Twenty One Member 2012 incurred claims 2013 incurred claims 2014 incurred claims 2015 incurred claims 2016 incurred claims 2017 incurred claims 2018 incurred claims 2019 incurred claims 2020 incurred claims Total incurred claims 2021 incurred claims IBNR Cumulative Number of Reported Claims 2020 2012 2013 2014 2015 2016 2017 2018 2019 Total [Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net] Net liability for unpaid claim and allocated claim adjustment expenses for the accident years presented All outstanding liabilities before 2011, net of reinsurance Liabilities for claims and claim adjustment expenses, net of reinsurance 2021 Liabilities for loss and loss adjustment expenses, net of reinsurance Total reinsurance recoverable on unpaid claims Unallocated loss adjustment expenses Total gross liability for loss and LAE reserves Concentration Risk Type [Axis] Catastrophic Event [Axis] Property And Casualty Personal Insurance Product Line Member Catastrophe [Member] Percent ceded Risk retained on initial $1,000,000 of losses Excess of loss coverage and facultative facility coverage In excess of Total reinsurance coverage per occurrence Expiration date Losses per occurrence subject to reinsurance coverage Risk retained per catastrophe occurrence Catastrophe loss coverage in excess of quota share coverage Losses per occurrence subject to quota share reinsurance coverage Initial loss subject to personal lines quota share treaty Reinstatement premium protection Product and Service [Axis] Personal Umbrella Commercial Lines [Member] Commercial Umbrella Percent ceded - first $1000000 of coverage Percent ceded - excess of $1000000 of coverage Risk retained on initial $1,000,000 of losses Total reinsurance coverage per occurrence Losses per occurrence subject to quota share reinsurance coverage Expiration date Excess of loss coverage and facultative facility coverage In excess of Provisional ceding commissions earned Contingent ceding commissions earned Total commissions earned Reinstatement Premium Protection [Member] Personal Lines Minimum [Member] Maximum [Member] Net contingent ceding commissions payable Incurred losses and loss adjustment expenses are net of reinsurance recoveries under reinsurance contracts Prior year loss development Advance premiums Catastrophe loss coverage in excess of quota share coverage, descriptions Excess of catastrophe coverage Reinstatement of premium protection, amount Incurred claim from superstrom sandy Single risk coverage Direct loss Debt (Details) Longterm Debt Type Axis Variable Rate Axis 5.50% Senior Unsecured Notes [Member] Discount [Member] Issuance costs [Member] Long-term debt, net Federal Home Loan Bank Advances Branch Of F H L B Bank Axis Federal Home Loan Bank of New York [Member] Advances limit, description Maximum allowable advances Debt instrument, face amount Debt instrument, interest rate Debt instrument, maturity date Proceeds from issuance of unsecured notes Debt instrument, unamortized discount Debt instrument, transaction cost Debt instrument, yield percentage Amount used by company Dividend Yield Volatility Risk-Free Interest Rate Expected Life Stock Option [Member] Number of Shares, Outstanding, Beginning Balance Number of Shares, Outstanding, Exercised Number of Shares, Outstanding, Expired Number of Shares, Outstanding, Granted Number of Shares, Outstanding, Ending Balance Number of Shares, Outstanding, Vested and Exercisable Weighted Average Exercise Price per Share, Outstanding, Beginning Balance Weighted Average Exercise Price per Share, Outstanding, Expired Weighted Average Exercise Price per Share, Outstanding, Ending Balance Weighted Average Exercise Price per Share, Outstanding, Vested and Exercisable Weighted Average Remaining Contractual Term, Beginning Balance Weighted Average Remaining Contractual Term, Ending Balance Weighted Average Remaining Contractual Term, Vested and Exercisable Aggregate Intrinsic Value, Beginning Balance Aggregate Intrinsic Value, Ending Balance Aggregate Intrinsic Value, Vested and Exercisable Award Type [Axis] Restricted Stock [Member] Number of options outstanding, beginning [Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number] Granted shares Vested shares Forfeited shares Number of options outstanding, ending Weighted Average Grant Date Fair Value per Share, beginning balance Weighted Average Grant Date Fair Value per Share, granted Weighted Average Grant Date Fair Value per Share, vested Weighted Average Grant Date Fair Value per Share, ending balance Aggregate Fair Value, beginning balance [Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value] Aggregate Fair Value, granted Aggregate Fair Value, vested Aggregate Fair Value, Forfeited Aggregate Fair Value, ending balance Plan Name [Axis] Class of Warrant or Right [Axis] Board Of Directors [Member] Plan 2014 Member Black - Scholes Option Pricing Model [Member] Dividends declared Stock-based compensation expense related to stock options is net of estimated forfeitures Stock-based compensation expense related to stock options is net of estimated forfeitures, rate stock based compensation Estimated fair value of unamortized compensation cost related to unvested stock option awards Aggregate intrinsic value, Options Outstanding and Options Exercisable Average Intrinsic Value, Expired Common stock shares authorized Dividend per share Shares reserved for grants Deferred tax asset: Net operating loss carryovers (1) Claims reserve discount Unearned premium Deferred ceding commission revenues Other Total deferred tax assets Deferred tax liability: Investment in KICO (2) Deferred acquisition costs Intangibles asset Depreciation and amortization [Deferred Tax Liabilities, Property, Plant and Equipment] Net unrealized gains (losses) of securities - available-for-sale Total deferred tax liabilities Net deferred income tax liability Federal only, current year (A) NOL carried back Federal only, current year State only (B) Expiration of net operating loss carryforward Valuation allowance State only, net of valuation allowance Total deferred tax asset from net operating loss carryovers Award Date [Axis] KICO July 1, 2009 Corporate tax rate Net operating loss carryover Original purchase surplus notes Untaxed interest Deferred tax liability reduced Deferred tax liability Acquired equity interest rate Consideration exchange principal amount Weighted average number of shares outstanding Effect of dilutive securities, common share equivalents: Stock options Effect of dilutive securities, common share equivalents: Restricted stock awards Weighted average number of shares outstanding, used for computing diluted earnings per share Operating leases Short-term leases Total lease cost Other information on operating leases Cash payments included in the measurement of lease liability in operating cash flows Remaining lease term in years Discount rate Remainder of 2021 2022 2023 2024 2025 Thereafter Total undiscounted lease payments Less: present value adjustment Operating lease liability Restatement Axis Related Party Transaction [Axis] Golden Emloyment Agreement [Member] Mery Golden Chief Operating Officer [Member] Dale A. Thatcher [Member] Relinquishment Agreement [Member] January 1, 2021 [Member] January 1, 2022 [Member] Barry Goldstein, President, Chief Executive Officer and Executive Chairman of the Board [Member] Employment Agreement [Member] Amended Employment Agreement [Member] January 2020 [Member] Barry GoldsteinMr. Goldstein [Member] Rent expenses Salary Option purchase Description of payments and benefits Unissued shares vested Aggregate consideration payment Description Annual Bonus Employment agreement description Restricted stock issued Restricted stock issued value Severance payments Deferred compensation liability Description of deferred compensation Subsequent Event Type [Axis] Subsequent Event [Member] Board Of Directors [Member] Dividend Custom Element. Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distr Custom Element. Custom Element. Custom Element. Custom Element. Custom Element. Custom Element. Custom Element. Custom Element. Custom Element. Custom Element. Custom Element. Custom Element. Custom Element. Custom Element. Custom Element. Custom Element. Custom Element. Custom Element. Custom Element. Custom Element. Custom Element Custom Element. The entire disclosure for reporting accounting changes and error corrections. It includes the conveyance of information necessary for a user of the Company's financial information to understand all aspects and required disclosure information concerning al Schedule of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cos Custom Element. Custom Element. Custom Element. Custom Element. Custom Element. Custom Element. Custom Element. Custom Element Amount of noncash expense for share-based payment arrangement. The net realized gains or losses on investments during the period, not including gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity. Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.