Document and Entity Information [Abstract] Document And Entity Information Statement [Table] Statement [Line Items] Document Type Amendment Flag Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Filer Category Entity Common Stock, Shares Outstanding Consolidated Balance Sheets [Abstract] Assets [Abstract] ASSETS Available-for-sale Securities, Debt Securities Fixed maturity securities available for sale, carrying value Fixed maturity securities available for sale, carrying value Fixed maturity securities available for sale, at fair value Equity securities available for sale, at fair value Available-for-sale Securities, Equity Securities Equity securities available for sale, fair value Mortgage Loans on Real Estate, Commercial and Consumer, Net Carrying value Mortgage loans Real Estate Real estate The net book value of real estate property and joint ventures held for investment purposes. Loans, Gross, Insurance Policy Policy loans, carrying value Policy loans Other Short-term Investments Short-term investments Other Investments Other investments Investment Total investments Cash Cash at end of period Cash at beginning of year Cash Accrued Investment Income Receivable Accrued investment income Deferred Policy Acquisition Costs Deferred acquisition costs Reinsurance Recoverables Reinsurance receivables Property, Plant and Equipment, Net Property and equipment Other Assets Other assets Separate Account Assets Separate account assets, fair value Separate account assets Assets Total assets Liabilities [Abstract] LIABILITIES Liability for Future Policy Benefits Future policy benefits Policyholder Account Balances Policyholder account balances Carrying amount of liabilities as of the balance sheet date for universal life insurance, fixed deferred annuity contracts and investment-type contracts. Policy and Contract Claims Policy and contract claims The amount needed to reflect the cost of settling claims relating to insured events that have occurred on or before the balance sheet date, whether or not reported to the insurer at that date. Policyholder Funds Other Other policyholder funds Liability as of the balance sheet date to the policyholders for funds held that are returnable under the terms of insurance contracts that were not separately reported elsewhere as well as the liability for guarantees on insurance contracts. Other Liabilities Other liabilities Separate Accounts Liability Separate account liabilities, fair value Separate account liabilities Liabilities Total liabilities Stockholders Equity [Abstract] STOCKHOLDERS' EQUITY Common Stock Value Common stock, par value $1.25 per share Authorized 36,000,000 shares, issued 18,496,680 shares Additional Paid in Capital, Common Stock Additional paid in capital Retained Earnings (Accumulated Deficit) Retained earnings Accumulated Other Comprehensive Income (Loss), Net of Tax End of period, Total Beginning of year, Total Accumulated other comprehensive income Treasury Stock, Value Treasury stock, at cost (2012 - 7,439,747 shares; 2011 - 7,187,315 shares) Stockholders' Equity Attributable to Parent Ending Balance Beginning Balance Total stockholders' equity Liabilities and Equity Total liabilities and stockholders' equity Common Stock, Par or Stated Value Per Share Common stock, par value Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Treasury Stock, Shares Treasury stock, shares at cost Consolidated Statements Comprehensive of Income [Abstract] Revenues [Abstract] REVENUES Premiums Earned, Net Premiums, net Contract Charges Contract charges Contract charges consist of cost of insurance, expense loads, the amortization of unearned revenues and surrender charges. Insurance Revenues Insurance revenues Total insurance revenues Total insurance revenues includes net premiums and contract charges. Net Investment Income [Abstract] Investment revenues: Net Investment Income Net investment income Realized Investment Gains, Excluding Impairment Losses Net realized investment gains, excluding impairment losses Net realized investment gains, excluding impairment losses Net realized investment gains, excluding impairment losses. Net Impairment Losses Recognized In Earnings [Abstract] Net impairment losses recognized in earnings: Net impairment losses recognized in earnings Other than Temporary Impairment Losses, Investments Total other-than-temporary impairment losses Other than Temporary Impairment Losses, Investments, Portion in Other Comprehensive Income (Loss), before Tax, Including Portion Attributable to Noncontrolling Interest, Available-for-sale Securities Portion of loss recognized in other comprehensive income Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net Net impairment losses recognized in earnings Net impairment losses recognized in earnings Investment Revenues Total investment revenues Includes net investment income plus realized gains & losses recognized in the earnings. Other Income Other revenues Revenues Total revenues Benefits, Losses and Expenses [Abstract] BENEFITS AND EXPENSES Policyholder Benefits Policyholder benefits Policyholder benefits consist of death benefits (mortality), immediate annuity benefits, accident and health benefits, surrenders and the associated increase or decrease in reserves for future policy benefits. Also includes other policyholder guarantees. Interest Credited to Policyholders Account Balances Interest credited to policyholder account balances Deferred Policy Acquisition Cost, Amortization Expense Amortization of deferred acquisition costs Operating Expenses Recurring Net of Expenses Relating to Deferred Policy Acquisition Costs Operating expenses Generally recurring costs associated with normal operations of the company including general and administrative expenses. Also includes insurance commissions which represent the expense incurred by an insurance company to persons or entities for generating or placing insurance or investment contracts with the company, usually determined as a percentage of policy or contract premiums. This is net of the total amount of operating expenses that were capitalized as deferred policy acquisition costs reflected in the income statement for each period presented. Operating expenses also include total amortization expense with respect to capitalized value of business asset acquired (present value of future profits) reflected in the income statement for the period, generally on the same basis for amortization of deferred policy acquisition costs. Benefits, Losses and Expenses Total benefits and expenses Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Income before income tax expense Income Tax Expense (Benefit) Income tax expense Net income Net Income (Loss) Attributable to Parent NET INCOME Net Income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] COMPREHENSIVE INCOME, NET OF TAXES Comprehensive Income (Loss), Net of Tax, Attributable to Parent COMPREHENSIVE INCOME Earnings Per Share, Basic and Diluted [Abstract] Basic and diluted earnings per share: Earnings Per Share, Basic and Diluted Net income Consolidated Statement of Stockholders' Equity [Abstract] Statement, Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Parent [Member] Parent [Member] Common Stock [Member] Common Stock [Member] Additional Paid In Capital [Member] Additional Paid In Capital [Member] Retained Earnings [Member] Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Income, Net Of Taxes [Member] Treasury Stock [Member] Treasury Stock, At Cost [Member] Excess of Proceeds Over Cost of Treasury Stock Sold Excess of proceeds over cost of treasury stock sold Excess of proceeds over cost of treasury stock sold Dividends Common Stock Cash Stockholder dividends of $0.54 per share Treasury Stock, Value, Acquired, Cost Method Cost of 82,825 shares acquired Stock Issued During Period, Value, Treasury Stock Reissued Cost of 19,014 shares sold Common Stock, Dividends, Per Share, Cash Paid Dividends to shareholders Treasury stock, shares acquired Treasury Stock, Shares, Acquired Stock Issued During Period, Shares, Treasury Stock Reissued Treasury stock, shares sold Consolidated Statements Of Cash Flows [Abstract] Net Cash Provided by (Used in) Operating Activities [Abstract] OPERATING ACTIVITIES Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash (used in) provided by operating activities: Accretion (Amortization) of Discounts and Premiums, Investments Amortization of investment premium and discount Depreciation Depreciation Realized investment gains Realized Investment Gains (Losses) Net realized investment gains Increase (Decrease) in Operating Capital [Abstract] Changes in assets and liabilities: Increase (Decrease) in Reinsurance Recoverable Reinsurance receivables Increase (Decrease) in Future Policy Benefit Reserves Future policy benefits Increase Decrease Policyholder Account Balances Policyholder account balances Carrying amount of liabilities as of the balance sheet date for universal life insurance, fixed deferred annuity contracts and investment-type contracts. Deferred Income Taxes and Tax Credits Income taxes payable and deferred Increase (Decrease) in Other Operating Assets and Liabilities, Net Other, net Net cash provided Net cash (used) provided Net Cash Provided by (Used in) Investing Activities [Abstract] INVESTING ACTIVITIES Payments to Acquire Available-for-sale Securities, Debt Fixed maturity securities Payments to Acquire Available for Sale Securities Equity Equity securities Payments to Acquire Mortgage Notes Receivable Mortgage loans Payments to Acquire Real Estate Held-for-investment Real estate Equity securities Proceeds from Sale of Available-for-sale Securities, Equity Proceeds from Sale and Collection of Mortgage Notes Receivable Mortgage loans Net Cash Provided by (Used in) Investing Activities Net cash used Net Cash Provided by (Used in) Financing Activities [Abstract] FINANCING ACTIVITIES Proceeds From Policyholder Account Balances Deposits on policyholder account balances The cash inflow from liabilities as of the balance sheet date for universal life insurance, fixed deferred annuity contracts and investment-type contracts. Withdrawals from Policyholder Account Balances Withdrawals from policyholder account balances The voluntary or involuntary cash outflows related to the liabilities as of the balance sheet date for universal life insurance, fixed deferred annuity contracts and investment-type contracts. Net Transfers from Separate Accounts Net transfers from separate accounts Net Transfers From Separate Accounts Increase Decrease in Other Deposits Change in other deposits Proceeds from Repurchase of Equity Net change in treasury stock Net Cash Provided by (Used in) Financing Activities Increase to cash flows from financing activities due to identification of errors reported in cash flow Net cash provided Cash and Cash Equivalents, Period Increase (Decrease) Increase (decrease) in cash Nature of Operations and Significant Accounting Policies [Abstract] Nature of Operations and Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] New Accounting Pronouncements [Abstract] Fair Value Measurements [Abstract] Fair Value Disclosures [Text Block] Fair Value Measurements Investments [Abstract] Investments Footnote [Text Block] This item represents the disclosure related to Investments in Certain Debt and Equity Securities which include all debt and equity securities with readily determinable fair values. A debt security represents a creditor relationship with an enterprise that is in the form of a security. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. This item also represents the disclosure related to investments in mortgage loans, real estate and joint ventures, policy loans, short-term and other investments. Investments Financing Receivables [Abstract] Financing Receivables [Text Block] Financing Receivables Comprehensive Income [Abstract] Comprehensive Income Note [Text Block] Comprehensive Income Notes Payable [Abstract] Debt Disclosure [Text Block] Notes Payable Earnings Per Share [Abstract] Earnings Per Share [Text Block] Earnings Per Share Income Taxes [Abstract] Income Tax Disclosure [Text Block] Income Taxes Segment Information [Abstract] Segment Reporting Disclosure [Text Block] Segment Information Pension and Other Postretirement Benefits Disclosure [Text Block] Pensions and Other Postretirement Benefits Share-Based Payment [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Share-Based Payment Separate Accounts [Abstract] Separate Accounts [Text Block] Separate Accounts Separate Accounts Text Block. Commitments [Abstract] Commitments Disclosure [Text Block] Commitments Guarantees and Indemnifications [Abstract] Guarantees and Indemnifications [Abstract] Guarantees and Indemnifications [Text Block] Guarantees and Indemnifications Guarantees and Indemnifications Text Block. Subsequent Events [Abstract] Subsequent Events [Text Block] Subsequent Events Fair Value, Hierarchy [Axis] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Inputs Level1 [Member] Level 1 [Member] Fair Value Inputs Level2 [Member] Level 2 [Member] Schedule of Fair Value of Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Fair Value of Fixed Maturities and Equity Securities Fair Value, Assets Measured on Recurring Basis [Table Text Block] Summary of Fair value Estimates for Financial Instruments Fair Value, by Balance Sheet Grouping [Table Text Block] Investments Classified by Contractual Maturity Date [Table Text Block] Schedule of Distribution of Maturities for Fixed Maturity Securities Available for Sale Realized Gain (Loss) on Investments [Table Text Block] Schedule Of Realized Investment Gains And Losses Schedule of Unrealized Loss on Investments [Table Text Block] Schedule of Fixed Maturity and Equity Security Investments Available for Sale with Unrealized Losses Schedule of Distribution of Maturities for Fixed Maturity Securities Available for Sale With Unrealized Losses [Table Text Block] Schedule of Distribution of Maturities for Fixed Maturity Securities Available for Sale with Unrealized Losses Schedule Of Distribution Of Maturities For Fixed Maturity Securities Available For Sale With Unrealized Losses [Table Text Block] Other than Temporary Impairment, Credit Losses Recognized in Earnings [Table Text Block] Reconciliation Of Credit Losses Recognized In Earnings On Fixed Maturity Securities Held By The Company Schedule of Mortgage Loans by Geographic Location And Property Type [Table Text Block] Schedule Of Mortgage Loans By Geographic Location And Property Type Schedule Of Mortgage Loans By Geographic Location And Property Type [Table Text Block] Schedule of Concentration of Mortgage Loans by State Greater Than Five Percent [Table Text Block] Schedule Of Concentration Of Mortgage Loans By State Greater Than Five Percent Schedule Of Concentration Of Mortgage Loans By State Greater Than Five Percent [Table Text Block] Schedule Carrying Amount of Mortgage Loans by Maturity [Table Text Block] Schedule Carrying Amount Of Mortgage Loans By Maturity Schedule Carrying Amount Of Mortgage Loans By Maturity [Table Text Block] Past Due Financing Receivables [Table Text Block] Schedule of delinquent payments for both principal and interest Schedule of Activity of Collectively Evaluated Allowance for Losses on Mortgage Loans [Table Text Block] Schedule of activity of allowance for potential future losses on mortgage loans Schedule of activity of the collectively evaluated allowance for losses on mortgage loans. Schedule of Comprehensive Income (Loss) [Table Text Block] Information about comprehensive income Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Accumulated balances related to each component of accumulated other comprehensive income Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule Of Financial Performance Of Reportable Segments Components of Net Periodic Benefit Cost Schedule of Net Periodic Benefit Cost Not yet Recognized [Table Text Block] Range [Axis] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Schedule of Trading Securities and Other Trading Assets [Table] Fair Value Inputs Level3 [Member] Level 3 [Member] Debt Security [Axis] Major Types of Debt Securities [Domain] Debt Securities [Member] Fixed maturity securities [Member] Securities Assets [Member] Securities (Assets) [Member] U S Government Agencies Debt Securities [Member] U.S. Treasury securities and obligations of U.S. Government [Member] Federal Agencies [Member] Federal agencies [Member] Federal agencies. Federal Agency Issued Residential Mortgage Backed Securities [Member] Federal agency issued residential mortgage-backed securities [Member] Federal agency issued residential mortgage-backed securities. Corporate Obligations [Member] Corporate obligations [Member] Corporate obligations. Corporate Private Labeled Residential Mortgage Backed Securities [Member] Corporate private-labeled residential mortgage-backed securities [Member] Corporate private-labeled residential mortgage-backed securities. Municipal Securities [Member] Municipal securities [Member] Municipal securities. Redeemable Preferred Stock [Member] Redeemable preferred stocks [Member] Guaranteed Minimum Withdrawal Benefits [Member] GMWB [Member] Guaranteed minimum withdrawal benefits. Summary of Investments, Other than Investments in Related Parties, by Type [Axis] Summary of Investments By Type [Domain]