Class of Stock [Axis] Consolidated Balance Sheets [Abstract] Total investments Total assets Total liabilities Total stockholders’ equity Beginning balance Ending balance Total liabilities and stockholders’ equity Consolidated Statements of Income [Abstract] Reclassification out of Accumulated Other Comprehensive Income [Axis] Total revenues Total expenses Income before income tax expense Income tax expense Net income Net income Consolidated Statements of Comprehensive Income [Abstract] Other comprehensive (loss) income Other comprehensive income (loss) Comprehensive income Consolidated Statement of Stockholders’ Equity [Abstract] Beginning balance (in Shares) Ending balance (in Shares) Equity Components [Axis] Consolidated Statements of Cash Flows [Abstract] Net adjustments Net cash provided by operating activities Net cash used in investing activities Net cash (used in) provided by financing activities Net increase in cash Cash at beginning of period Cash at end of period Organization [Abstract] Basis of Presentation [Abstract] Net Income Per Share [Abstract] Number of shares used in diluted computation (in Shares) Reinsurance [Abstract] Investments [Abstract] Financial Instrument [Axis] Total held to maturity, amortized cost Held to maturity, amortized cost Total held to maturity, estimated fair value Held to maturity, estimated fair value Total available for sale, amortized cost Total available for sale, amortized cost Total available for sale, estimated fair value Available for sale, at fair value Available for sale, estimated fair value Investment Type [Axis] Net realized gains Net investment losses Net investment losses Net investment losses Investment losses Segment Information [Abstract] Total segment revenues GAAP underwriting income Consolidation Items [Axis] Segments [Axis] Borrowings [Abstract] Federal Home Loan Bank, Advances, Option [Axis] Pledged Status [Axis] Consolidated Entities [Axis] Share–Based Compensation [Abstract] Fair Value Measurements [Abstract] Measurement Frequency [Axis] Fair Value Hierarchy and NAV [Axis] Income Taxes [Abstract] Liabilities for Losses and Loss Expenses [Abstract] Balance at January 1 Balance at end of period Losses and loss expenses Less reinsurance recoverable Plus reinsurance recoverable Net balance at January 1 Net balance at end of period Total incurred Total paid Allowance for Expected Credit Losses [Abstract] Balance at beginning of period Balance at end of period Held to maturity, at amortized cost (net of allowance for expected credit losses of $1,274,490 and $1,312,903) Held to maturity, carrying value Balance at beginning of period Balance at end of period Held to maturity, allowance for expected credit losses Held to maturity, allowance for credit loss Balance at beginning of period Balance at end of period Reinsurance receivable (net of allowance for expected credit losses of $401,773 and $374,883) Balance at beginning of period Balance at end of period Reinsurance receivable, allowance for expected credit losses Impact of New Accounting Standards [Abstract] Document Type Document Quarterly Report Document Period End Date Document Fiscal Year Focus Document Transition Report Entity File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line Two Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Shell Company Title of 12(b) Security Trading Symbol Security Exchange Name Entity Common Stock, Shares Outstanding Entity Central Index Key Amendment Flag Document Fiscal Period Focus Current Fiscal Year End Date Assets Investments Fixed maturities Equity securities, at fair value Estimated fair value Short-term investments, at cost, which approximates fair value Cash Accrued investment income Premiums receivable Deferred policy acquisition costs Deferred tax asset, net Prepaid reinsurance premiums Property and equipment, net Federal income taxes recoverable Due from affiliate Goodwill Other intangible assets Other Liabilities and Stockholders’ Equity Liabilities Unearned premiums Accrued expenses Reinsurance balances payable Borrowings under lines of credit Cash dividends declared to stockholders Accounts payable - securities Other Stockholders’ Equity Preferred stock, $.01 par value, authorized 2,000,000 shares; none issued Preferred stock, par value (in Dollars per share) Preferred stock, shares authorized (in Shares) Preferred stock, shares issued (in Shares) Common stock Common stock, par value (in Dollars per share) Common stock, shares authorized (in Shares) Common stock, shares issued (in Shares) Common stock, shares outstanding (in Shares) Additional paid-in capital Accumulated other comprehensive loss Retained earnings Revenues: Net premiums earned Investment income, net of investment expenses Net investment income Lease income Installment payment fees Expenses: Net losses and loss expenses Amortization of deferred policy acquisition costs Other underwriting expenses Policyholder dividends Interest Other expenses, net Net income per share: Basic net income per share: Basic (in Dollars per share) Basic net income per share (in Dollars per share) Diluted (in Dollars per share) Diluted net income per share (in Dollars per share) Other comprehensive (loss) income, net of tax Unrealized (loss) income on securities: Unrealized holding (loss) income during the period, net of income tax (benefit) expense Income tax (benefit) expense on unrealized holding (loss) income arising during the period Income tax expense on reclassification adjustment for gains Issuance of common stock (stock compensation plans) Issuance of common stock (stock compensation plans) (in Shares) Share-based compensation Share-based compensation (in Shares) Grant of stock options Cash Flows from Operating Activities: Adjustments to reconcile net income to net cash provided by operating activities: Depreciation, amortization and other non-cash items Changes in assets and liabilities: Losses and loss expenses Unearned premiums Reinsurance balances payable Current income taxes Accrued expenses Cash Flows from Investing Activities: Maturity of fixed maturities: Held to maturity Available for sale Cash Flows from Financing Activities: Issuance of common stock Cash paid during period - Interest Net cash paid (received) during period - Taxes Treasury stock, at cost Reclassification adjustment for gains included in net income, net of income tax expense Cash dividends declared