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2419402 - Disclosure - Accumulated Other Comprehensive Income Balances Of Each Component Of Accumulated Other Comprehensive Income, Net Of Tax (Details)
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2118100 - Disclosure - Acquisition
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2418402 - Disclosure - Acquisition (Details)
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2101100 - Disclosure - Basis Of Presentation and Significant Accounting Policies
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2116100 - Disclosure - Business Concentration
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2115100 - Disclosure - Concentration of Credit Risk
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2107100 - Disclosure - Earnings Per Common Share and Share Awards
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2407403 - Disclosure - Earnings Per Common Share and Share Awards Computation Of Basic And Diluted Earnings Per Share (Details)
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2407402 - Disclosure - Earnings Per Common Share and Share Awards (Details)
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2407407 - Disclosure - Earnings Per Common Share and Share Awards Schedule of Weighted Average Grant Date Fair Value of Stock Awards Plans (Details)
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2407406 - Disclosure - Earnings Per Common Share and Share Awards Share-Based Assumptions (Details)
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2407405 - Disclosure - Earnings Per Common Share and Share Awards Summary of Information of Fixed Stock Options (Details)
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2108100 - Disclosure - Income Taxes
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2408402 - Disclosure - Income Taxes Schedule of Components of Income Taxes (Details)
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2408403 - Disclosure - Income Taxes Schedule of Deferred Tax Assets and Liabilities (Details)
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2308301 - Disclosure - Income Taxes (Tables)
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2103100 - Disclosure - Investments in Securities and Fair Value
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2403402 - Disclosure - Investments in Securities and Fair Value (Details)
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2403408 - Disclosure - Investments in Securities and Fair Value Schedule of Assumptions Used to Determine Fair Value (Details)
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2403410 - Disclosure - Investments in Securities and Fair Value Schedule of Carrying Value and Fair Value of Financial Assets (Details)
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2403412 - Disclosure - Investments in Securities and Fair Value Schedule of Changing in Fair Value of Liabilities on Recurring Basis Using Significant Unobservable Inputs (Details)
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2403405 - Disclosure - Investments in Securities and Fair Value Schedule of Earnings on Investments (Details)
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2403413 - Disclosure - Investments in Securities and Fair Value Schedule of Estimated Fair Value Hierarchy of Investments and Related Impairments Recognized (Details)
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2403411 - Disclosure - Investments in Securities and Fair Value Schedule of Fair Value Assets Measured at Unobservable Inputs Reconciliation (Details)
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2403409 - Disclosure - Investments in Securities and Fair Value Schedule of Fair Value Assets Measured on Recurring Basis (Details)
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2403404 - Disclosure - Investments in Securities and Fair Value Schedule of Fixed Maturity Securities (Details)
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2403406 - Disclosure - Investments in Securities and Fair Value Schedule of Gross Realized Gains (Losses) on Securities (Details)
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2403403 - Disclosure - Investments in Securities and Fair Value Schedule of Gross Unrealized Gains and Losses and Amortized Cost for Securities (Details)
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2303301 - Disclosure - Investments in Securities and Fair Value (Tables)
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2109100 - Disclosure - Leases
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2409402 - Disclosure - Leases (Details)
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2104100 - Disclosure - Property and Equipment
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2105100 - Disclosure - Reinsurance
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2117100 - Disclosure - Related Party Transactions
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2417404 - Disclosure - Related Party Transactions Company Repurchase of Common Stock from Related Parties (Details)
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2417402 - Disclosure - Related Party Transactions Summary Of Approximate Values By Year Found Within Consolidated Balance Sheets (Details)
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2417403 - Disclosure - Related Party Transactions Summary Of Approximate Values By Year Found Within Consolidated Statements Of Income (Details)
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2106100 - Disclosure - Reserves for Claims
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2110100 - Disclosure - Retirement Agreements and Other Postretirement Benefit Plan
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2410407 - Disclosure - Retirement Agreements and Other Postretirement Benefit Plan Amounts in Accumulated Other Comprehensive Income, Pre-tax, to be Recognized as Components of Net Periodic Benefit Costs (Details)
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2120100 - Disclosure - Schedule I
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2420401 - Disclosure - Schedule I (Details)
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2121100 - Schedule - Schedule II
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2421401 - Schedule - Schedule II - Condensed Balance Sheets (Details)
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2421402 - Schedule - Schedule II - Condensed Statement of Income (Details)
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2421404 - Schedule - Schedule II - Notes to Condensed Financial Statements (Details)
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2122100 - Disclosure - Schedule III
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2422401 - Disclosure - Schedule III (Details)
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2123100 - Disclosure - Schedule IV
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2423401 - Disclosure - Schedule IV (Details)
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2124100 - Disclosure - Schedule V
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2424401 - Disclosure - Schedule V (Details)
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2113100 - Disclosure - Segment Information
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2313301 - Disclosure - Segment Information (Tables)
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2102100 - Disclosure - Statutory Restrictions on Consolidated Stockholders' Equity and Investments
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2114100 - Disclosure - Stockholders' Equity
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