Equity Components [Axis]
Common Stock
Preferred Stock
Capital in Excess of Par
Accumulated Other Comprehensive Income (Loss)
Retained Earnings
Treasury Stock
Debt Security Category [Axis]
Fixed Maturity Securities Political Subdivisions Of States Territories And Possessions
Fixed Maturity Securities Corporate And Other Bonds Industrial And Miscellaneous
Fixed Maturity Securities Total Fixed Maturity Securities
Equity Securities Preferred Stocks
Equity Securities Common Stocks
Equity Securities Total Equity Securities
Investment Type [Axis]
Less Than One Year
One To Five Years
Five To Ten Years
More Than 10 Years
US Treasury Securities
Insurance Policy [Axis]
Premiums Written
Changes In Unearned Premiums
Premiums Earned
Concentration Risk Type [Axis]
Commercial Lines [Member]
Personal Lines [Member]
Commercial Auto [Member]
Finite-Lived Intangible Assets by Major Class [Axis]
Other identifiable intangibles [Member]
Insurance license [Member]
Customer relationships [Member]
Related Party [Axis]
Others [Member]
Maiden Reinsurance Company [Member]
SCOR Reinsurance Company [Member]
Swiss Reinsurance America Corporation [Member]
Allied World Assurance Company [Member]
Property, Plant and Equipment, Type [Axis]
Building
Computer equipment and software
Land
Furniture office equipment
Reinsurance Receivables
Gross Liability
Personal Umbrella [Member]
Catastrophe [Member]
Fixed Maturity Securities Residential mortgage backed securities
Residential mortgage backed securities
Range [Axis]
Initial $1,000,000
1,000,000 - 10,000,000 [Member]
Over 10,000,000 [Member]
1,000,000 - 5,000,000 [Member]
Over 5,000,000 [Member]
Initial 750,000 [Member]
750,000 - 4,500,000 [Member]
Over $4,500,000
Initial $5,000,000
5,000,000 - 320,000,000 [Member]
Over 320,000,000 [Member]
Initial 5,000,000 [Member]
5,000,000 - 252,000,000 [Member]
Over 252,000,000 [Member]
Initial $500,000 [Member]
$500,000 - $4,500,000 [Member]
Over 4,500,000 [Member]
Initial 1,000,000 [Member]
Over $5,000,000 [Member]
Initial 833,333 [Member]
$833,333 - $4,500,000 [Member]
Over $4,500,000 [Member]
Initial 1,000,000 [Member]
Initial $1,000,000
$1,000,000 - $5,000,000
Over $4,500,000
Initial $5,000,000
5,000,000 - 450,000,000
Over $450,000,000 [Member]
Commercial Umbrella [Member]
Initial $1,000,000
$1,000,000 - $5,000,000
Over $5,000,000
2009
2010
2011
2012
2013
2014
2015
2016
Longterm Debt Type [Axis]
5.50% Senior Unsecured Notes
Discount
Variable Rate [Axis]
Issuance costs
2017
Award Type [Axis]
Restricted Stock
Investments by Category [Axis]
Level 1
Level 2
Level 3
Carrying Value
Fair Value
Hanover Rueck SE [Member]
Long-term Debt, Type [Axis]
2018
Fair Value Hierarchy and NAV [Axis]
Fair Value Inputs Level 1 [Member]
Fair Value Inputs Level 2 [Member]
Fair Value Inputs Level 3 [Member]
Document And Entity Information
Entity Registrant Name
Entity Central Index Key
Document Type
Document Period End Date
Amendment Flag
Current Fiscal Year End Date
Is Entity a Well-known Seasoned Issuer?
Is Entity a Voluntary Filer?
Is Entity's Reporting Status Current?
Entity Filer Category
Entity Emerging Growth Company
Entity Small Business
Entity Shell Company
Entity Public Float
Entity Common Stock, Shares Outstanding
Document Fiscal Period Focus
Document Fiscal Year Focus
Statement of Financial Position [Abstract]
Assets
Fixed-maturity securities, held-to-maturity, at amortized cost (fair value of $4,426,416 at December 31, 2018 and $5,150,076 at December 31, 2017)
Fixed-maturity securities, available-for-sale, at fair value (amortized cost of $155,431,261 at December 31, 2018 and $119,122,106 at December 31, 2017)
Equity securities, at fair value (cost of $18,305,986 at December 31, 2018 and $13,761,841 at December 31, 2017)
Other investments
Total investments
Cash and cash equivalents
Investment subscription receivable
Premiums receivable, net
Reinsurance receivables, net
Deferred policy acquisition costs
Intangible assets, net
Property and equipment, net
Deferred income tax
Other assets
Total 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
Income taxes payable
Deferred income taxes
Long-term debt, net
Total liabilities
Commitments and Contingencies
Stockholders' Equity
Preferred stock, $.01 par value; authorized 2,500,000 shares
Common stock, $.01 par value; authorized 20,000,000 shares; issued 11,775,148 shares at December 31, 2018 and 11,618,646 at December 31, 2017; outstanding 10,747,709 shares at December 31, 2018 and 10,631,837 shares at December 31, 2017
Capital in excess of par
Accumulated other comprehensive income
Retained earnings
Total
Treasury stock, at cost, 1,027,439 shares at December 31, 2018 and 986,809 shares at December 31, 2017
Total stockholders' equity
Total liabilities and stockholders' equity
Deferred Acquisition Costs And Deferred Ceding Commission Revenue Details 1
Fixed-maturity securities, held to maturity, fair value
Fixed-maturity securities, available for sale, amortized cost
Equity securities, available-for-sale, cost
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
Income Statement [Abstract]
Revenues
Net premiums earned
Ceding commission revenue
Net investment income
Net (losses) gains on investments
Other income
Total revenues
Expenses
Loss and loss adjustment expenses
Commission expense
Other underwriting expenses
Other operating expenses
Depreciation and amortization
Interest expense
Total expenses
Income from operations before taxes
Income tax expense
Net income
Other comprehensive income (loss), net of tax
Gross change in unrealized (losses) gains on available-for-sale-securities
Reclassification adjustment for losses (gains) included in net income
Net change in unrealized (losses) gains
Income tax benefit (expense) related to items of other comprehensive (loss) income
Other comprehensive (loss) income, net of tax
Comprehensive (loss) income
Earnings per common share:
Basic
Diluted
Weighted average common shares outstanding
Basic
Diluted
Dividends declared and paid per common share
Statement [Table]
Statement [Line Items]
Beginning Balance, Amount
Beginning Balance, Shares
Cumulative effect of adoption of updated accounting guidance for equity financial instruments at January 1, 2018
Proceeds from public offering, net of offering costs of $2,173,000, Shares
Proceeds from public offering, net of offering costs of $2,173,000, Amount
Stock-based compensation, Shares
Stock-based compensation, Amount
Shares deducted from exercise of stock options for payment of withholding taxes, Shares
Shares deducted from exercise of stock options for payment of withholding taxes, Amount
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
Exercise of stock options, Shares
Exercise of stock options, Amount
Acquisition of treasury stock, Amount
Acquisition of treasury stock, Shares
Dividends
Net income
Other comprehensive loss
Change in unrealized gains on available for sale securities, net of tax
Reclassify stranded tax effects from accumulated other comprehensive income to retained earnings
Ending Balance, Amount
Ending Balance, Shares
Statement of Cash Flows [Abstract]
Cash flows from operating activities:
Adjustments to reconcile net income to net cash flows provided by operating activities:
Net losses (gains) on sale of investments
Unrealized losses of equity investments
Net unrealized losses of other investments
Amortization of bond premium, net
Amortization of discount and issuance costs on long-term debt
Stock-based compensation
Deferred income tax benefit
(Increase) decrease in operating assets:
Premiums receivable, net
Reinsurance receivables, net
Deferred policy acquisition costs
Other assets
Increase (decrease) in operating 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
Net cash flows provided by operating activities
Cash flows from investing activities:
Purchase - fixed-maturity securities held-to-maturity
Purchase - fixed-maturity securities available-for-sale
Purchase - equity securities available-for-sale
Sale and redemption - fixed-maturity securities held-to-maturity
Sale or maturity - fixed-maturity securities available-for-sale
Sale - equity securities available-for-sale
Investment subscription receivable
Acquisition of fixed assets
Net cash flows used in investing activities
Cash flows from financing activities:
Net proceeds from issuance of common stock
Net proceeds from issuance of long-term debt
Proceeds from exercise of stock options
Withholding taxes paid on net exercise of stock options
Withholding taxes paid on net exercise of stock options
Purchase of treasury stock
Dividends paid
Net cash flows provided by financing activities
Increase (decrease) in cash and cash equivalents
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
Weighted average amortization period of identified intangible assets of finite useful life
1. Nature of Business
2. Summary of Significant Accounting Policies
3. Investments
4. Fair Value Measurements
5. Fair Value of Financial Instruments
6. Intangibles
7. Reinsurance
8. Deferred Policy Acquisition Costs and Deferred Ceding Commission Revenue
Debt
9. Debt
10. Property and Equipment
11. Property and Casualty Insurance Activity
12. Stockholders' Equity
13. Statutory Financial Information and Accounting Policies
14. Risk Based Capital
15. Income Taxes
16. Employee Benefit Plans
17. Commitments and Contingencies
18. Earnings Per Common Share
19. Subsequent Events
Quarterly Financial Information Disclosure [Abstract]
20. Quarterly Financial Data
Summary Of Significant Accounting Policies
Basis of Presentation
Principles of Consolidation
Revenue Recognition
Loss and Loss Adjustment Expenses ("LAE") Reserves
Reinsurance
Cash and Cash Equivalents
Investments
Premiums Receivable
Deferred Policy Acquisition Costs
Intangible Assets
Property and Equipment
Income Taxes
Assessments
Concentration and Credit Risk
Use of Estimates
Earnings per share
Advertising Costs
Stock-based Compensation
Compensated Absences
Comprehensive Income (Loss)
Accounting Changes
Recent Accounting Pronouncements
Summary Of Significant Accounting Policies
Summary of deposits of cash equivalents
Schedule of Concentration Risk
Investments
Schedule of Available for Sale Securities
Schedule of Available for Sale Securities by contractual maturity
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
Fair Value Measurements
Schedule of Fair Value Measurements
Schedule of Hedge Fund Investments
Fair value hierarchy of long-term debt
Fair Value Of Financial Instruments
Schedule of Fair Value of Financial Instruments
Intangibles
Schedule of components of intangible assets and their useful lives, accumulated amortization, and net carrying value
Reinsurance
Line of Business
Single maximum risks under treaties per occurrence
Schedule of approximate reinsurance recoverables
Schedule of Ceding commissions earned
Deferred Policy Acquisition Costs And Deferred Ceding Commission Revenue
Schedule of acquisition costs incurred
Schedule of Ending balances for deferred acquisition costs and deferred ceding commission revenue
Debt
Long-term debt
Property And Equipment
Schedule of components of property and equipment
Property And Casualty Insurance Activity
Schedule of Earned Premiums
Schedule of Loss and Loss Adjustment Expenses
Schedule of Ceding Commission Revenue
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
Stockholders Equity
Weighted average assumptions
Schedule of Stock Options Activity
Income Taxes
Schedule of provision for income taxes from continuing operations
Schedule of a reconciliation of the federal statutory rate
Schedule of Deferrred Tax Assets and Liabilities
Schedule of net operating loss carryovers
Schedule of changes in net deferred income tax liability to the deferred income tax provision
Commitments And Contingencies Tables
Schedule of future minimum rental commitments
Earnings Per Share [Abstract]
Reconciliation of the weighted average number of shares of Common Stock used in the calculation of basic and diluted earnings per common share
Quarterly Financial Data
Schedule of Quarterly Financial Data
Accounting Policies And Basis Of Presentation
Collateralized bank repurchase agreement (1)
Money market fund
Total
Total premiums earned subject to concentration
Premiums earned not subject to concentration
Total premiums earned
Accounting Policies And Basis Of Presentation
Allowance for uncollectible reinsurance
Due and accrued investment income
Allowance for doubtful accounts
Uncollectible premiums receivable balances written off
Advertising costs
Cost or Amortized Cost
Gross Unrealized Gains
Gross Unrealized Losses-Less than 12 Months
Gross Unrealized Loss-More than 12 Months
Gross Unrealized Losses
Fair Value
Net Unrealized Gains/(Losses)
Amortized Cost
Fair Value
Cost or Amortized Cost
Gross Unrealized Gains
Gross Unrealized Losses-Less than 12 Months
Gross Unrealized Loss-More than 12 Months
Fair Value
Net Unrealized Gains/(Losses)
Amortized Cost
Fair Value
Maiden Reinsurace Company [Member]
Income:
Fixed-maturity securities
Equity securities
Cash and cash equivalents
Total
Expenses:
Investment expenses
Net investment income
Total loss and loss adjustment expenses
Fixed-maturity securities:
Gross realized gains
Gross realized losses
Total fixed-maturity securities, realized
Gross unrealized gains
Gross unrealized losses
Total fixed-maturity securities, unrealized
Equity securities:
Gross realized gains
Gross realized losses
Total equity securities, realized
Net realized (losses) gains
Gross unrealized gains
Gross unrealized losses
Total equity securities, unrealized
Net unrealized losses
Other-than-temporary impairment losses:
Fixed-maturity securities
Fair Value-Less than 12 months
Unrealized Losses-Less than 12 Months
No. of Positions Held-Less than 12 Months
Fair Value-12 months or more
Unrealized Losses-12 months or more
No. of Positions Held-12 months or more
Aggregate Fair Value-Total
Unrealized Losses-Total
Investments
Proceeds from the sale and maturity of fixed-maturity securities, held to maturity
Proceeds from the sale and maturity of fixed-maturity securities, available for sale
Proceeds from the sale of equity securities
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 backed securities
Total fixed maturities
Equity investments
Total investments
Fair Value Measurements
Hedge fund
Total other investments
Senior Notes due 2022
Fixed-maturity investments held to maturity
Cash and cash equivalents
Premiums receivable, net
Reinsurance receivables
Real estate net of accumulated depreciation
Gross Carrying Value
Accumulated Amortization
Net Carrying Amount
Useful Life (in yrs)
Intangibles
Amortization expense, related to intangibles
Quota share treaty:
Percent ceded
Percent ceded - first million dollars of coverage
Percent ceded - excess of one million dollars of coverage
Risk retained
Losses per occurrence subject to quota share reinsurance coverage
Excess of loss coverage above quota share coverage
Total
Total reinsurance coverage per occurrence
Losses per occurrence subject to reinsurance coverage
Expiration date
Initial loss subject to personal lines quota share treaty
Risk retained per catastrophe occurrence (1)
Catastrophe loss coverage in excess of quota share coverage (2) (3)
Reinstatement premium protection
Subsequent Event Type [Axis]
Risk Retained
Unpaid Losses
Paid Losses
Total
Security
Reinsurance
Provisional ceding commissions earned
Contingent ceding commissions earned
Reinsurance
Reinsurance receivables
Reinsurance balances payable
Deferred Acquisition Costs And Deferred Ceding Commission Revenue Details
Net deferred policy acquisition costs, net of ceding commission revenue, beginning of year
Cost incurred and deferred:
Commission and brokerage
Other underwriting and policy acquisition costs
Ceding commission revenue
Net deferred policy acquisition costs
Return of deferred ceding commission revenue due to reduction of quota share
Amortization
Deferred acquisition costs
Net deferred policy acquisition costs, net of ceding commission revenue, end of year
Deferred Acquisition Costs And Deferred Ceding Commission Revenue Details 1
Deferred ceding commission revenue
Balance at end of period
Cost
Accumulated Depreciation
Net
Property And Equipment
Depreciation expense
Reinsurance Policy, Type [Axis]
Direct
Assumed
Ceded
Net
Case-basis reserves
Loss adjustment expenses
IBNR reserves
Recoverable on unpaid losses
Recoverable on paid losses
Total loss and loss adjustment expenses
Total reinsurance receivables
Property And Casualty Insurance Activity
Balance at beginning of period
Less reinsurance recoverables
Net balance, beginning of period
Incurred related to:
Current year
Prior years
Total incurred
Paid related to:
Current year
Prior years
Total paid
Net balance at end of period
Add reinsurance recoverables
Balance at end of period
2009 incurred claims
2010 incurred claims
2011 incurred claims
2012 incurred claims
2013 incurred claims
2014 incurred claims
2015 incurred claims
2016 incurred claims
2017 incurred claims
2018 incurred claims
Total incurred claims
IBNR
Cumulative Number of Reported Claims
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
Total
Net liability for unpaid claim and allocated claim adjustment expenses for the accident years presented
All outstanding liabilities before 2007, net of reinsurance
Liabilities for claims and claim adjustment expenses, net of reinsurance
Commissions and brokerage
Total reinsurance recoverable on unpaid claims
Unallocated claims adjustment expenses
Total gross liability for loss and LAE reserves
Year One
Year Two
Year Three
Year Four
Year Five
Year Six
Year Seven
Year Eight
Year Nine
Year Ten
Property And Casualty Insurance Activity
Advance premiums
Incurred Losses and Loss Adjustment Expenses are net of reinsurance recoveries under reinsurance contracts
Number of Options Outstanding, Beginning
Number of Options Granted
Number of Options Exercised
Number of Options Forfeited
Number of Options Outstanding, Ending
Number of Options Vested and Exercisable
Weighted Average Exercise Price Outstanding, Beginning
Weighted Average Exercise Price Granted
Weighted Average Exercise Price Exercised
Weighted Average Exercise Price Forfeited
Weighted Average Exercise Price Outstanding, Ending
Weighted Average Exercise Price Vested and Exercisable
Weighted Average Remaining Contractual Life (in years) Outstanding Beginning
Weighted Average Remaining Contractual Life (in years) Outstanding Ending
Weighted Average Remaining Contractual Life (in years) Vested and Exercisable
Aggregate Intrinsic Value Outstanding, Beginning
Aggregate Intrinsic Value Granted
Aggregate Intrinsic Value Exercised
Aggregate Intrinsic Value Forfeited/canceled
Aggregate Intrinsic Value Outstanding, Ending
Aggregate Intrinsic Value Vested and Exercisable
Employee Benefit Plans Details Narrative
Dividends Declared
Compensation Expense
Stock-based compensation expense related to stock options is net of estimated forfeitures
Weighted average estimated fair value of stock options granted
Intrisic Value-Options Exercised
Options Exercised - Cash proceeds
Options for the purchase of shares of Common Stock
Unamortized compensation cost related to unvested stock option awards
Unamortized compensation cost vesting period
Shares reserved under the 2014 Plan
Statutory Financial Information And Accounting Policies Details Narrative
Dividends paid
Statutory basis net income
Statutory basis surplus
Income Taxes Details
Current federal income tax expense
Current state income tax expense
Deferred federal and state income tax expense (benefit)
Provision for income taxes
Income Taxes Details 4
Computed expected tax expense
Change in enacted tax rates on net deferred tax liabilities
State taxes, net of Federal benefit
State valuation allowance
Benefit of lower tax brackets
Permanent differences
Dividends received deduction
Non-taxable investment income
Excess benefit from stock-based compensation
Stock-based compensation
Other permanent differences
Prior year tax matters
Other
Total tax
Computed expected tax expense
Change in enacted tax rates on net deferred tax liabilities
State taxes, net of Federal benefit
State valuation allowance
Benefit of lower tax brackets
Permanent differences
Dividends received deduction
Non-taxable investment income
Excess benefit from stock-based compensation
Stock-based compensation
Other permanent differences
Prior year tax matters
Other
Total tax
Intrisic Value-Options Exercised
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
Depreciation and amortization
Net unrealized appreciation of securities - available-for-sale
Total deferred tax liabilities
Net deferred income tax liability
State only (A)
Valuation allowance
State only, net of valuation allowance
Amount subject to Annual Limitation, Federal only (B)
Total deferred tax asset from net operating loss carryovers
Income Taxes Details 4
Change in net deferred income tax liabilities
Deferred tax benefit allocated to other comprehensive (loss) income
Deferred income tax provision
IBNR reserves
Net operating loss carryover
Employee Benefit Plans Details Narrative
Contribution expense
Commitments And Contingencies
2019
2020
2021
2022
2023
Thereafter
Total
Commitments And Contingencies Details Narrative
Rent expenses
Net Income Per Common Share Details
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
Total revenues
Commission expense and other underwriting expenses
Basic earnings per share
Diluted earnings per share
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Amortized Cost.
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Single maximum risks under treaties per occurrence.
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Other underwriting and acquisition costs
Intrisic Value-Options Exercised [Default Label]
Commissions and brokerage [Default Label]
Security [Default Label]
Unpaid Losses [Default Label]
ReinsuranceRecoverables1
Investments [Default Label]
Assets [Default Label]
AdvancePremiums
Deferred Tax Assets, Net of Valuation Allowance, Current
Liabilities [Default Label]
Stockholders' Equity before Treasury Stock
Treasury Stock, Value
Liabilities and Equity
Benefits, Losses and Expenses
Shares, Issued
Dividends
Increase (Decrease) in Premiums Receivable
Increase (Decrease) in Reinsurance Recoverable
Increase (Decrease) in Deferred Policy Acquisition Costs
Increase (Decrease) in Other Operating Assets
Increase (Decrease) in Future Policy Benefit Reserves
Increase (Decrease) in Unearned Premiums
Increase (Decrease) in Reinsurance Payables
Increase (Decrease) in Deferred Revenue
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Net Cash Provided by (Used in) Operating Activities
Payments to Acquire Available-for-sale Securities
Payments to Acquire Debt Securities, Available-for-sale
Payments to Acquire Available-for-sale Securities, Equity
Net Income Per Common Share Details [Default Label]
Payments to Acquire Property, Plant, and Equipment
Net Cash Provided by (Used in) Investing Activities
Payments Related to Tax Withholding for Share-based Compensation
Payments for Repurchase of Common Stock
Payments of Dividends
Net Cash Provided by (Used in) Financing Activities
Cash and Cash Equivalents, Period Increase (Decrease)
Deposits
AvailableForSaleSecuritiesFairValueDisclosure1
IncomeTaxRateDividendsReceivedDeduction
Deferred Acquisition Costs And Deferred Ceding Commission Revenue Details 1 [Default Label]
IncomeTaxRateNontaxableInvestmentIncome
IncomeTaxRateOtherPermanentDifferences
IncomeTaxRateRestatementOfPriorYearIncomeNetOfTax
FairValue1
Maiden Reinsurace Company [Member] [Default Label]
AmortizedCostHeldToMaturitySecurities
FairValueHeldToMaturitySecurities
CedingCommissionRevenue
Investment Income, Net
Available-for-sale Securities, Gross Realized Gains
Available-for-sale Securities, Gross Realized Gain (Loss), Excluding Other than Temporary Impairments
Available-for-sale Securities, Gross Unrealized Loss
OtherThanTemporaryImpairmentLossesFixedMaturitySecurities
Schedule of changes in net deferred income tax liability to the deferred income tax provision [Default Label]
Cash and Cash Equivalents, Fair Value Disclosure
Premiums Receivable, Gross
Total [Default Label]
TotalReinsuranceRecoverables
Ceded Premiums Payable
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information, Deferred Policy Acquisition Cost
Computer equipment and software [Default Label]
Amortization of Other Deferred Charges
Dividends received deduction
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Total loss and loss adjustment expenses [Default Label]
Useful Life (in yrs) [Default Label]
FiniteLivedIntangibleAssetsAmortizationExpenseTotal
Case-basis reserves [Default Label]
IncomeTaxRateDividendsReceivedDeduction [Default Label]
State valuation allowance [Default Label]
ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2011
ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2012
Statutory basis surplus [Default Label]
Statutory Financial Information And Accounting Policies Details Narrative [Default Label]
Income Taxes Details 4 [Default Label]
Change in net deferred income tax liabilities [Default Label]
Employee Benefit Plans Details Narrative [Default Label]
ShortdurationInsuranceContractsCumulativePaidClaimsAndAllocatedClaimAdjustmentExpense2018
Short-duration Insurance Contracts, Cumulative Paid Claims and Allocated Claim Adjustment Expense, Net
AdvancePremiumsOfPolicy
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Options for the purchase of shares of Common Stock [Default Label]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value
Effective Income Tax Rate Reconciliation, Deduction, Dividends, Amount
Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount
Effective Income Tax Rate Reconciliation, Deduction, Other, Amount
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
StateValuationAllowancePercent
TaxRateBenefitOfLowerTaxBrackets
Effective Income Tax Rate Reconciliation, Deduction, Dividend, Percent
EffectiveIncomeTaxRateExcessBenefitFromStockbasedCompensation
EffectiveIncomeTaxRateReconciliationShareBasedCompensation
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Percent
Deferred Tax Assets, Other
Deferred Tax Liabilities, Deferred Expense
Deferred Tax Liabilities, Intangible Assets
Deferred Tax Liabilities, Property, Plant and Equipment
Deferred Tax Liabilities, Tax Deferred Income
Deferred Tax Assets, Valuation Allowance
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
Operating Leases, Future Minimum Payments Due