Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Other assets Other Assets, Net Other Assets, Net Trading Arrangement: Trading Arrangement [Axis] Amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss, Fair Value Option Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss, Fair Value Option Maximum Maximum [Member] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Borrowings Due May 2030 Rate Two Borrowings Due May 2030 Rate Two [Member] Borrowings Due May 2030 Rate Two Debt covenant, required minimum debt to total capitalization ratio Debt Instrument, Covenant, Maximum Required Debt To Total Capitalization Ratio Debt Instrument, Covenant, Maximum Required Debt To Total Capitalization Ratio Title of 12(b) Security Title of 12(b) Security Net income for diluted earnings per share Net Income (Loss) Available to Common Stockholders, Diluted Total carrying amount Reported Value Measurement [Member] Debt Securities, Available-for-sale [Table] Debt Securities, Available-for-Sale [Table] Adjustment to Compensation, Amount Adjustment to Compensation Amount Schedule of Policyholder Account Balance Policyholder Account Balance [Table Text Block] Financial Instrument [Axis] Financial Instrument [Axis] Segment Reporting [Abstract] Segment Reporting [Abstract] Insurance Product Lines Insurance Product Lines Segment [Member] Insurance Product Lines Segment [Member] Related reinsurance recoverable Liability for Future Policy Benefit, Reinsurance Recoverable, after Allowance State taxes Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Effect of changes in future expected policyholder behavior - risk margin Market Risk Benefit, Increase (Decrease) from Future Expected Policyholder Behavior Assumption, Risk Margin Market Risk Benefit, Increase (Decrease) from Future Expected Policyholder Behavior Assumption, Risk Margin Assets held in separate accounts Assets held in separate accounts Separate Account Asset Movement in Present Value of Future Insurance Profits [Roll Forward] Movement in Present Value of Future Insurance Profits [Roll Forward] Other annuities Other Annuity [Member] Other Annuity Derivative Instrument [Axis] Derivative Instrument [Axis] Effect of changes in assumptions Market Risk Benefit, Increase (Decrease) from Other Assumption Interest accretion rate Liability for Future Policy Benefit, Weighted-Average Interest Accretion Rate Current tax expense Current Income Tax Expense (Benefit) United States Treasury securities and obligations of United States government corporations and agencies US Treasury and Government [Member] Consolidated Entities [Axis] Consolidated Entities [Axis] Schedule of Present Value of Future Insurance Profits Present Value of Future Insurance Profits, Expected Amortization [Table Text Block] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding 80% to less than 90% Debt-To-Value Ratio, 80 To Less Than 90 Percent [Member] Debt-To-Value Ratio, 80 To Less Than 90 Percent [Member] Carrying value of fixed maturities that were non-income producing Investments, Fixed Maturity, Carrying Value, Non-Income Producing Investments, Fixed Maturity, Carrying Value, Non-Income Producing Asset-backed securities Asset-Backed Securities [Member] INVESTMENT BORROWINGS Investment Borrowings [Text Block] Investment Borrowings [Text Block] Fee revenue Fee Income Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Axis] Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] 5.00% and greater Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0500 and Greater [Member] Policyholder Account Balance, Guaranteed Minimum Crediting Rate, Range from 0500 and Greater Total Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss Unrealized losses Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share 6.450% Senior Notes due June 2034 Senior Note 6.450 Percent June 2034 [Member] Senior Note 6.450 Percent June 2034 Net amount at risk Market Risk Benefit, Net Amount at Risk Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Traditional life Traditional Life [Member] Traditional Life Allocated expenses Allocated Expenses Allocated Expenses Increase (decrease) in equity securities, FV-NI, held at end of period Increase (Decrease) in Equity Securities, FV-NI, Held at End of Period Increase (Decrease) in Equity Securities, FV-NI, Held at End of Period Borrowings Due September 2029 Rate Three Borrowings Due September 2029 Rate Three [Member] Borrowings Due September 2029 Rate Three Amortized cost Amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, before Allowance for Credit Loss Entity Address, City or Town Entity Address, City or Town Borrowings Due April 2031 Rate Four Borrowings Due April 2031 Rate Four [Member] Borrowings Due April 2031 Rate Four Federal home loan bank stock Federal Home Loan Bank Stock Effect of changes in discount rate assumptions, beginning of period Effect of changes in discount rate assumptions, end of period AOCI, Liability for Future Policy Benefit, Expected Future Policy Benefit, before Tax Borrowings Due April 2031 Rate Three Borrowings Due April 2031 Rate Three [Member] Borrowings Due April 2031 Rate Three Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Title and Position [Domain] Title and Position [Domain] Number of investments held by VIE, in default Number Of Investments Held By Variable Interest Entities, In Default Number Of Investments Held By Variable Interest Entities, In Default Market risk benefit liability Balance reported as a liability Market Risk Benefit, Liability, Amount Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount 5.125% Subordinated Debentures due 2060 5.125% Subordinated Debentures due 2060 5.125% Subordinated Debentures due 2060 [Member] 5.125% Subordinated Debentures due 2060 [Member] Weighted average attained age of contract holders Net Amount at Risk by Product and Guarantee, Weighted Average Attained Age Significant other observable inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Net premiums collected Liability for Future Policy Benefit, Expected Net Premium, Net Premium Collected Insurance liabilities Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Policyholder Liabilities Debt Securities, Available-for-sale, Allowance for Credit Loss [Roll Forward] Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward] Liabilities for insurance products: Insurance Loss Reserves [Abstract] Number of policyholders Number of Policyholders Number of Policyholders Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Non-cash collateral Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Security Not Offset Benefit payments Liability for Future Policy Benefit, Expected Future Policy Benefit, Benefit Payment Class of Treasury Stock [Table] Class of Treasury Stock [Table] Carryforward Expiration [Domain] Carryforward Expiration [Domain] Carryforward Expiration [Domain]. Deferred Charges, Insurers [Abstract] Deferred Charges, Insurers [Abstract] Schedule of Operating Information by Segment Segment Reporting [Table Text Block] Investment losses: Gain (Loss) on Investments [Abstract] Equity securities, net Equity Securities, Available-for-Sale, Realized Loss Equity Securities, Available-for-Sale, Realized Loss Other comprehensive income (loss), net of tax Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Schedule of Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] General account assets Net Investment Income On General Account Invested Assets Net investment income on general account invested assets excludes income (loss) related to: (i) the change in the fair value of options purchased in an effort to hedge certain benefits accruing to the policyholders of our equity-indexed products; (ii) trading account securities; (iii) change in value of embedded derivatives related to modified coinsurance agreements; and (iv) Company-only life insurance which was purchased as an investment vehicle to fund a deferred compensation plan. Key Employee Key Employee [Member] Key Employee Due after one year through five years Due after one year through five years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five LITIGATION AND OTHER LEGAL PROCEEDINGS Contingencies Disclosure [Text Block] Document Period End Date Document Period End Date 0.00%-2.99% Policyholder Account Balance, Guaranteed Minimum Crediting Range, Range from 0000 to 0299 [Member] Policyholder Account Balance, Guaranteed Minimum Crediting Range, Range from 0000 to 0299 Fee revenue and other income Fee Revenue And Other Income Fee Revenue And Other Income Basic: Earnings Per Share, Basic [Abstract] Issuances Market Risk Benefit, Issuance, Net Market Risk Benefit, Issuance, Net Gross realized losses on sales of fixed maturities, available for sale Debt Securities, Available-for-Sale, Realized Loss Total Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member] Due after ten years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10 CONSOLIDATED STATEMENT OF CASH FLOWS Cash Flow, Supplemental Disclosures [Text Block] Net liability, beginning of period Net liability (asset), end of period Net liability Market Risk Benefit, after Increase (Decrease) from Instrument-Specific Credit Risk Income tax benefit (expense) related to items of accumulated other comprehensive income Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Consolidation Items [Domain] Consolidation Items [Domain] EARNINGS PER SHARE Earnings Per Share [Text Block] Earnings per common share: Earnings Per Share [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Total liabilities Total liabilities Liabilities Policy loans Policy Loans Receivable Trading Symbol Trading Symbol Discount margins Measurement Input, Discount Rate [Member] 70% to less than 80% Debt-To-Value Ratio, 70 To Less Than 80 Percent [Member] Debt-To-Value Ratio, 70 To Less Than 80 Percent [Member] Fixed maturities, available for sale, at fair value (net of allowance for credit losses: September 30, 2026 - $56.9 and December 31, 2025 - $36.0; amortized cost: September 30, 2026 - $26,961.7 and December 31, 2025 - $25,776.4) Estimated fair value Estimated fair value Total fixed maturities, available for sale Debt Securities, Available-for-Sale, Excluding Accrued Interest Balance reported as an asset Market Risk Benefit, Asset, Amount Non-Life Non-Life [Member] Non-Life Federal Home Loan Bank Proceeds from FHLBank Borrowings, Financing Activities Employee benefit plans, net of shares used to pay tax withholdings Stock Based Compensation Stock Based Compensation Company Selected Measure Name Company Selected Measure Name Gains (losses) included in accumulated other comprehensive loss Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) 60% to less than 70% Debt-To-Value Ratio, 60 To Less Than 70 Percent [Member] Debt-To-Value Ratio, 60 To Less Than 70 Percent [Member] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Withdrawals from deposit products Repayments of Annuities and Investment Certificates Number Of Reportable Segments Disclosed By Definition Flag Number Of Reportable Segments Disclosed By Definition Flag Number Of Reportable Segments Disclosed By Definition Flag Diluted: Earnings Per Share, Diluted [Abstract] Interest accrual Market Risk Benefit, Interest Expense Credit Facility [Domain] Credit Facility [Domain] Liability for life insurance policy claims Liability for Claims and Claims Adjustment Expense Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Loan to value ratio Outstanding Mortgage Loans, Loan to Value Ratio Outstanding Mortgage Loans, Loan to Value Ratio Liability for future policy benefits remeasurement gain Liability for Future Policy Benefit, Remeasurement Gain (Loss) Federal home loan bank advances, collateral pledged Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged Dividends (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Investments held by variable interest entities (net of allowance for credit losses: September 30, 2026 - $1.5 and December 31, 2025 - $0.6; amortized cost: September 30, 2026 - $311.4 and December 31, 2025 - $294.1) Investments held by variable interest entities - corporate securities Investments held by variable interest entities Investments Held By Variable Interest Entities Total of fixed maturity securities of consolidated variable interest entities where we are the primary beneficiary. Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Transfers out of Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 Other Deferred Tax Assets, Other Future loss reserves Liability For Future Policy Benefits Payment For Benefits, Reserve Liability For Future Policy Benefits Payment For Benefits, Reserve Additions for securities where an allowance was previously recorded Additions (reductions) for securities where an allowance was previously recorded Debt Securities, Available-for-Sale, Allowance for Credit Loss, Not to Sell before Recovery, Credit Loss, Previously Recorded, Expense (Reversal) Net operating loss carryforwards Operating Loss Carryforwards Available for sale fixed maturities classified as Level 3 and corporate securities Available for Sale Maturities with Significant Unobservable Inputs, Corporate Securities, Percent Available for Sale Maturities with Significant Unobservable Inputs, Corporate Securities, Percent Borrowings Due February 2028 Rate Four Borrowings Due February 2028 Rate Four [Member] Borrowings Due February 2028 Rate Four Total insurance product margin Gross Profit Unobservable inputs, liabilities Embedded Derivative Liability, Measurement Input Structured securities Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Amortized Cost Deferred tax assets: Components of Deferred Tax Assets [Abstract] Award Timing Predetermined Award Timing Predetermined [Flag] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Insurance policy benefits Insurance policy benefits Policyholder Benefits and Claims Incurred, Net Quoted prices in active markets for identical assets or liabilities (Level 1) Fair Value, Inputs, Level 1 [Member] Estimated annual effective tax rate Effective Income Tax Rate Reconciliation, Percent Fair Value Measurements Fair Value of Financial Instruments, Policy [Policy Text Block] Total assets Derivative Asset, Gross Asset Including Not Subject to Master Netting Arrangement Amounts related to employee benefit plans (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Common stock repurchased Stock repurchased and retired during period Stock Repurchased and Retired During Period, Value Accumulated other comprehensive loss Deferred Tax Assets, Other Comprehensive Loss Reinsurance recoveries benefits Policyholder Benefits and Claims Incurred, Ceded Variable interest entity, gross investment losses from sale Variable Interest Entity, Investments, Gross Investment Losses From Sale, Before Tax Variable Interest Entity, Investments, Gross Investment Losses From Sale, Before Tax Scenario [Domain] Scenario [Domain] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Fair Value Recurring Basis Unobservable Input Reconciliation Asset Gain Loss Statement Of Other Comprehensive Income Extensible List Not Disclosed Flag Fair Value Recurring Basis Unobservable Input Reconciliation Asset Gain Loss Statement Of Other Comprehensive Income Extensible List Not Disclosed Flag Fair Value Recurring Basis Unobservable Input Reconciliation Asset Gain Loss Statement Of Other Comprehensive Income Extensible List Not Disclosed Flag Schedule of Deferred Policy Acquisition Costs Deferred Policy Acquisition Costs [Table Text Block] Due in one year or less Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One Movement in Deferred Sales Inducements [Roll Forward] Movement in Deferred Sales Inducements [Roll Forward] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Balance, beginning of period, before effect of changes in the instrument-specific credit risk Net liability, end of period, before effect of changes in the instrument-specific credit risk Market Risk Benefit, before Reinsurance and Cumulative Increase (Decrease) from Instrument-Specific Credit Risk Change INVESTMENTS Investment in Debt and Equity Securities and Other Trading Assets [Text Block] Amortization expense Present Value of Future Insurance Profits, Amortization Expense Expiration Date Trading Arrangement Expiration Date Recovery method Valuation Technique, Recovery Method [Member] Valuation Technique, Recovery Method [Member] Fair value Debt Securities, Available-for-Sale, Unrealized Loss Position [Abstract] Adjusted beginning of period PVEFPB Liability for Future Policy Benefit, Expected Future Benefit, Original Discount Rate, before Reinsurance, after Cash Flow Change Reclassification adjustments: Reclassification adjustments [Abstract] Reclassification adjustments [Abstract] Subordinated Debt Subordinated Debt [Member] Purchases of investments Purchases Of Investments Purchases of investments during the period primarily related to actively managed fixed maturities. Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Derivative [Table] Derivative [Table] Issuance of common stock Proceeds from Issuance of Common Stock Borrowings Due September 2029 Rate One Borrowings Due September 2029 Rate One [Member] Borrowings Due September 2029 Rate One Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Segments [Domain] Segments [Domain] NOTES PAYABLE – DIRECT CORPORATE OBLIGATIONS Debt Disclosure [Text Block] Non-life companies included in the fee income segment Nonlife Companies Included In Fee Income Segment [Member] Nonlife Companies Included In Fee Income Segment [Member] Scenario [Axis] Scenario [Axis] Mortgage loans (net of allowance for credit losses: September 30, 2026 - $17.3 and December 31, 2025 - $20.9) Financing Receivable, after Allowance for Credit Loss Unobservable inputs, market risk benefit, liability measurement input Market Risk Benefit, Liability Measurement Input Market Risk Benefit, Liability Measurement Input Borrowings Due August 2030 Rate Four Borrowings Due August 2030 Rate Four [Member] Borrowings Due August 2030 Rate Four Change in estimated fair value of trading securities Increase (Decrease) in Debt Securities, Trading PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Estimated fair value Estimated fair value Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract] Other expenses Other Cost and Expense (Income), Operating Other Cost and Expense (Income), Operating Decrease in fair value of certain fixed maturity investments with embedded derivatives Changes in fair value of embedded derivative liabilities and market risk benefits Embedded derivatives related to fixed indexed annuities Embedded Derivative, Gain (Loss) on Embedded Derivative, Net Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Domain] Policyholder Account Balance, above Guaranteed Minimum Crediting Rate [Domain] Interest rate Debt Instrument, Interest Rate, Stated Percentage Dividends on common stock Common stock dividends declared Dividends, Common Stock, Cash Total shareholders' equity Balance, beginning of period Balance, end of period Equity, Attributable to Parent ASSETS Assets: Assets [Abstract] EBITDA multiples Measurement Input, EBITDA Multiple [Member] Other invested assets Other Investments Schedule of Carrying Value and Estimated Fair Value of Outstanding Commercial Mortgage Loans and Underlying Collateral Financing Receivable Credit Quality Indicators [Table Text Block] Goodwill and other asset impairment Intangible Asset, Including Goodwill, Impairment Loss Insider Trading Policies and Procedures [Line Items] Surrenders and withdrawals Policyholder Account Balance, Surrender and Withdrawal Deferred tax expense Deferred Income Tax Expense (Benefit) Liabilities: Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Variable interest entities, investments sold Variable Interest Entities, Investments Sold Variable Interest Entities, Investments Sold Issuances Liability for Future Policy Benefit, Expected Net Premium, Issuance Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Number of mortgage loans in process of foreclosure Number of Mortgage Loans in Process of Foreclosure Number of Mortgage Loans in Process of Foreclosure Entity Central Index Key Entity Central Index Key Weighted average crediting rate Policyholder Account Balance, Weighted Average Crediting Rate Additional paid-in capital Additional Paid in Capital, Common Stock Capital loss carryforward Capital Loss Carryforward Capital Loss Carryforward Equity [Abstract] Equity [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Change in fair value of equity securities Increase (Decrease) in Equity Securities, FV-NI Cash and cash equivalents: Cash and Cash Equivalents, Fair Value Disclosure [Abstract] Cash and Cash Equivalents, Fair Value Disclosure [Abstract] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Total fixed maturities, available for sale Fixed Maturities, Available for Sale Fixed Maturities [Member] Schedule of Components of Income Tax Expense Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Interest expense on FHLB borrowings Interest Expense on FHLB Borrowings Interest Expense on FHLB Borrowings Amounts netted in expenses not allocated to product lines Expenses Not Allocated To Product Lines [Member] Expenses Not Allocated To Product Lines [Member] Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Variable Rate [Domain] Variable Rate [Domain] Interest-sensitive life Interest Sensitive Life [Member] Accumulated other comprehensive income (loss) AOCI Attributable to Parent [Member] All Individuals All Individuals [Member] Mortality Measurement Input, Mortality Rate [Member] Non-agency residential mortgage-backed securities Mortgage-Backed Securities, Issued by Private Enterprises [Member] Common stock dividends paid Payments of Dividends Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Schedule of Realized Gain (Loss) on Investments Realized Gain (Loss) on Investments [Table Text Block] Foreclosure Foreclosure [Member] Foreclosure [Member] Statement [Line Items] Statement [Line Items] Total assets Total assets Assets Adjustment to instrument-specific credit risk for market risk benefits Other Comprehensive Income (Loss), Adjustment To Specific Credit Risk for Market Risk Benefit Other Comprehensive Income (Loss), Adjustment To Specific Credit Risk for Market Risk Benefit Schedule of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Variable Interest Entity, Not Primary Beneficiary Variable Interest Entity, Not Primary Beneficiary [Member] Other comprehensive income (loss), before tax: Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent [Abstract] Total segment expenses Total segment expenses Segment Expenses Segment Expenses Liability for Future Policy Benefit Activity [Table] Liability for Future Policy Benefit Activity [Table] Operating Segments Operating Segments [Member] Borrowings related to variable interest entities Borrowings related to variable interest entities Borrowings Related To Variable Interest Entities The borrowings of the variable interest entities that are to be repaid from available cash flows from the assets of the variable interest entities. Non-operating Loss Carryforwards Non-operating Loss Carryforwards Non-operating Loss Carryforwards For net realized investment losses included in net income Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax Gross unrealized gains Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax Total income tax expense calculated based on estimated annual effective tax rate Income Tax Expense (Benefit), Excluding Discrete Tax Items Income Tax Expense (Benefit), Excluding Discrete Tax Items Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Structured securities Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Fair Value PEO PEO [Member] Other changes in fair value Increase (Decrease) in Fair Value of Other Securities Increase (Decrease) in Fair Value of Other Securities Total annuity revenues Insurance Product Line Revenue Insurance Product Line Revenue Goodwill Goodwill Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Liability for Future Policy Benefit, Activity [Line Items] Liability for Future Policy Benefit, Activity [Line Items] Reserves excluded from rollforward Liability for Future Policy Benefit, Before Reinsurance Reserve Liability for Future Policy Benefit, Before Reinsurance Reserve Retained earnings Retained Earnings [Member] Revolving Credit Facility Revolving Credit Facility [Member] Estimated annual effective tax rate calculated before discrete items Effective Income Tax Rate Reconciliation, Before Discrete Tax Items, Percent Effective Income Tax Rate Reconciliation, Before Discrete Tax Items, Percent Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Schedule of Fair Value by Balance Sheet Location Fair Value, by Balance Sheet Grouping [Table Text Block] Corporate securities Corporate Debt Securities [Member] Net income (in dollars per share) Earnings Per Share, Diluted Fixed interest annuities Fixed Interest Annuities [Member] Fixed Interest Annuities Increase (decrease) in provision for expected credit losses Financing Receivable, Credit Loss, Expense (Reversal) Gain on extinguishment of borrowings related to variable interest entities Gain On Extinguishment Of Borrowings Related To Variable Interest Entities Gain On Extinguishment Of Borrowings Related To Variable Interest Entities Schedule of Derivatives with Master Netting Arrangements Offsetting Assets [Table Text Block] Total amortized cost Variable Interest Entity Amortized Cost Securities Held Amortized cost of fixed maturity securities held by the VIE Beginning of period End of period Deferred Sale Inducement Cost Expenses attributable to VIEs Expenses related to certain non-strategic investments and earnings attributable to non-controlling interests Expenses related to certain non-strategic investments and earnings attributable to non-controlling interests Mortgage loans, allowance for credit losses Allowance at the beginning of the period Allowance at the end of the period Financing Receivable, Allowance for Credit Loss Total segment revenues Total segment revenues Segment Revenues Segment Revenues Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Net amount at risk Policyholder Account Balance, Net Amount at Risk Agency residential mortgage-backed securities Agency residential mortgage-backed securities Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member] Intangible assets Intangible Asset, Excluding Goodwill, before Accumulated Amortization Amounts received for deposit products Proceeds from Annuities and Investment Certificates Sales Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Non Investment Grade Non Investment Grade [Member] Non Investment Grade [Member] Assumed premiums written Assumed Premiums Written Number of product lines Number of Product Lines Number of Product Lines Expected future gross premiums (Undiscounted) Liability for Future Policy Benefit, Expected Future Gross Premium, Undiscounted, before Reinsurance Other invested assets: Life Insurance, Corporate Or Bank Owned, Fair Value Disclosure [Abstract] Life Insurance, Corporate Or Bank Owned, Fair Value Disclosure [Abstract] Non-taxable income and nondeductible benefits, net Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent Title and Position [Axis] Title and Position [Axis] Debt-to-Value [Domain] Debt-to-Value [Domain] Change in discount rates for liability for future policy benefits Accumulated Other Comprehensive Income (Loss), Changes in Discount Rate for Liability for Future Policy Benefit Accumulated Other Comprehensive Income (Loss), Changes in Discount Rate for Liability for Future Policy Benefit Operating earnings before taxes Operating Income (Loss) Amortization of deferred acquisition costs and present value of future profits Amortization of Deferred Charges Effect of changes in future expected policyholder behavior - other Market Risk Benefit, Increase (Decrease) from Future Expected Policyholder Behavior Assumption, Other Market Risk Benefit, Increase (Decrease) from Future Expected Policyholder Behavior Assumption, Other Notes payable – direct corporate obligations Notes Payable, Fair Value Disclosure Foreign governments Debt Security, Government, Non-US [Member] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Equity Securities Equity Securities [Member] Policyholder account values, beginning of period excluding contracts 100% ceded Policyholder account values, end of period excluding contracts 100% ceded Policyholder Account Balance, Excluding fully Ceded Contracts Policyholder Account Balance, Excluding fully Ceded Contracts Schedule of Changes in the Allowance for Current Expected Credit Losses Related to Mortgage Loans Financing Receivable, Allowance for Credit Loss [Table Text Block] Common stock, shares issued (in shares) Balance, beginning of period (in shares) Balance, end of period (in shares) Common Stock, Shares, Issued Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value At guaranteed minimum Policyholder Account Balance, at Guaranteed Minimum Crediting Rate [Member] 12 months or greater Gross unrealized losses of investments in unrealized loss position for more than 12 months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss Effect of changes in cash flow assumptions Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) from Cash Flow Change Product and Service [Domain] Product and Service [Domain] Amortization Amortization Excluding Amortization Related To Realized Gains Losses And Amortization Related To Fair Value Changes In Embedded Derivative Liabilities Amortization Excluding Amortization Related To Realized Gains Losses And Amortization Related To Fair Value Changes In Embedded Derivative Liabilities Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Gains on derivatives not designated as hedging instruments Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Borrowings Due May 2031 Rate One Borrowings Due May 2031 Rate One [Member] Borrowings Due May 2031 Rate One Termination Date Trading Arrangement Termination Date Investment income not allocated to product lines Net Investment Income Not Allocated To Product Lines [Member] Net Investment Income Not Allocated To Product Lines Insurance policy income Proceeds from Insurance Premiums Collected Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] U.S. statutory corporate rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Net amount Derivative Asset, Including Not Subject to Master Netting Arrangement, after Offset and Deduction Amount of reserves above (below) policyholder account values Amount of reserves above (below) policyholder account values Policyholder Account Balance, Amount Of Reserves Policyholder Account Balance, Amount Of Reserves Borrowings Due January 2031 Rate Two Borrowings Due January 2031 Rate Two [Member] Borrowings Due January 2031 Rate Two Fair Value as of Grant Date Award Grant Date Fair Value Borrowings Due May 2029 Rate Borrowings Due May 2029 Rate [Member] Borrowings Due May 2029 Rate Insurance policy benefits Insurance Policy Benefits Amounts paid to policyholders during the period pursuant to the terms of the insurance contracts. Borrowings Due January 2028 Rate One Borrowings Due January 2028 Rate One [Member] Borrowings Due January 2028 Rate One GLWB utilization Measurement Input, Utilization Rate [Member] Payments on financing arrangements Payments On Financing Arrangements Payments On Financing Arrangements Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Stock repurchase program, remaining repurchase authorized amount Share Repurchase Program, Remaining Authorized, Amount Arrangement Duration Trading Arrangement Duration Deferred Policy Acquisition Cost [Line Items] Deferred Policy Acquisition Cost [Line Items] Change in allowance for credit losses and write-downs Debt Securities, Available-For-Sale, And Other Investments, Allowance For Credit Loss, Period Increase (Decrease) Debt Securities, Available-For-Sale, And Other Investments, Allowance For Credit Loss, Period Increase (Decrease) Consolidation Items [Axis] Consolidation Items [Axis] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Fair value changes related to agent deferred compensation plan Fair Value, Compensation Plan, Changes in Fair Value Gain (Loss) Fair Value, Compensation Plan, Changes in Fair Value Gain (Loss) Less than 12 months Gross unrealized losses of investments in unrealized loss position for less than 12 months Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss Contracts Excluding Fixed Indexed Annuities Contracts Excluding Fixed Index Annuities [Member] Contracts Excluding Fixed Index Annuities Reinsurance receivables, allowance for current expected credit losses Reinsurance Recoverable, Allowance for Credit Loss Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Carryforward Expiration [Axis] Carryforward Expiration [Axis] Carryforward Expiration [Axis]. Total revenues Revenues Net federal operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards, Domestic Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Net operating income Operating Income (Loss), Net Of Tax Operating Income (Loss), Net Of Tax Loan Restructuring Modification [Axis] Loan Restructuring Modification [Axis] Additions for securities for which credit losses were not previously recorded Additions for securities for which credit losses were not previously recorded Debt Securities, Available-for-Sale, Allowance for Credit Loss, Not Previously Recorded Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward] Movement Analysis of Deferred Policy Acquisition Costs [Roll Forward] Schedule of Financial Instruments Carried at Fair Value Categorized by Input Level Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] All Award Types Award Type [Domain] Change in market values of the underlying options supporting fixed indexed products Change In Market Values Of The Underlying Options Supporting The Fixed Index Annuity And Life Products (Offset By Market Value Changes Credited To Policyholder Balances) Change In Market Values Of The Underlying Options Supporting The Fixed Index Annuity And Life Products (Offset By Market Value Changes Credited To Policyholder Balances) FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] Significant unobservable inputs  (Level 3) Fair Value, Inputs, Level 3 Fair Value, Inputs, Level 3 [Member] Schedule of Balances and Changes in the Liability for Future Policy Benefits Liability for Future Policy Benefit, Activity [Table Text Block] Commissions and other operating expenses Commission and Other Operating Expenses Commission and Other Operating Expenses Total assets carried at fair value by category Assets, Internally Developed Inputs, Fair Value Disclosure Assets, Internally Developed Inputs, Fair Value Disclosure Fair Value Measured at Net Asset Value Per Share Fair Value Measured at Net Asset Value Per Share [Member] Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items] Debt Securities, Available-for-Sale, Allowance for Credit Loss [Line Items] Interest accrual Liability for Future Policy Benefit, Expected Net Premium, Interest Income % Recovery expected Measurement Input, Expected Recovery Percentage [Member] Measurement Input, Expected Recovery Percentage Other assets Other Assets Liability Class [Axis] Liability Class [Axis] Cash and cash equivalents - unrestricted and including held by variable interest entities, beginning of period Cash and cash equivalents - unrestricted and including held by variable interest entities, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Borrowings Due September 2028 Rate Borrowings Due September 2028 Rate [Member] Borrowings Due September 2028 Rate Fee revenue and other income Proceeds from Fees Received Non-NEOs Non-NEOs [Member] Annuity Annuity [Member] Annuity Financing Receivable, Allowance for Credit Loss [Roll Forward] Financing Receivable, Allowance for Credit Loss [Roll Forward] Interest credited Policyholder Account Balance, Interest Expense Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Due after five years through ten years Due after five years through ten years Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Payments to repurchase common stock Payments for Repurchase of Common Stock Statistical Measurement [Axis] Statistical Measurement [Axis] Funding agreements Funding Agreement-Backed Note [Member] Funding Agreement-Backed Note Award Type Award Type [Axis] Effect of actual variances from expected experience Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) of Actual Variance from Expected Experience Liability for Future Policy Benefit, Expected Net Premium [Roll Forward] Liability for Future Policy Benefit, Expected Net Premium [Roll Forward] Investments held by variable interest entities, amortized cost Investments Held By Variable Interest Entities, Amortized Cost Investments Held By Variable Interest Entities, Amortized Cost Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Fixed maturities, available for sale, amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Excluding Accrued Interest, after Allowance for Credit Loss No Expiration Date No Expiration Date [Member] No Expiration Date Retained earnings Retained Earnings (Accumulated Deficit) Product and Service [Axis] Product and Service [Axis] Borrowings Due September 2027 Rate Borrowings Due September 2027 Rate [Member] Borrowings Due September 2027 Rate Life Life [Member] Life Capitalizations Deferred Sale Inducement Cost, Capitalization Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock, par value $0.01 per share Common stock Common Stock [Member] Fixed maturities, available for sale Debt Securities, Available-for-Sale Change in unrealized gains or losses for the period included in other comprehensive loss for assets held at the end of the reporting period Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), OCI Health: Health Health Insurance Product Line [Member] Deferrable policy acquisition costs and sales inducements Policy Acquisition Costs Payments made during the reporting period related to costs associated with acquiring new insurance customers. Derivative Contract [Domain] Derivative Contract [Domain] Financial Asset, Past Due Financial Asset, Past Due [Member] Total liabilities and shareholders' equity Liabilities and Equity Employee benefit plans, net of shares used to pay tax withholdings (in shares) Stock Based Compensation Shares Stock Based Compensation Shares Realized investment losses Total realized investment losses Total investment losses Realized Investment Gains (Losses) Employee Stock Option Share-Based Payment Arrangement, Option [Member] Goodwill and other asset impairment Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Sales of fixed maturity securities containing embedded derivatives Sales of Fixed Maturity Securities Containing Embedded Derivatives Sales of Fixed Maturity Securities Containing Embedded Derivatives Purchases of fixed maturity securities containing embedded derivatives Purchases of Fixed Maturity Securities Containing Embedded Derivatives Purchases of Fixed Maturity Securities Containing Embedded Derivatives Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Segments [Axis] Segments [Axis] Policyholder account values, end of period for contracts 100% ceded Policyholder Account Balance, Contract Fully Ceded Policyholder Account Balance, Contract Fully Ceded Company-owned life insurance Life Insurance, Corporate or Bank Owned, Amount Total other invested assets Other Invested Assets Other Invested Assets Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Asset Class [Axis] Asset Class [Axis] No Trading Symbol Flag No Trading Symbol Flag Trading securities Total trading securities Debt Securities, Trading Tabular List, Table Tabular List [Table Text Block] Reinsurance receivables Derivative Asset, Not Subject to Master Netting Arrangements Derivative Asset, Not Subject to Master Netting Arrangements Issuances Liability for Future Policy Benefit, Expected Future Policy Benefit, Issuance Name Awards Close in Time to MNPI Disclosures, Individual Name Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Ceded premiums written Ceded Premiums Written Effect of changes in interest rates Market Risk Benefit, Increase (Decrease) from Interest Rate Change Debt-to-Value [Axis] Debt-to-Value [Axis] Market comparables Valuation, Market Approach [Member] Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Adjustment to Compensation: Adjustment to Compensation [Axis] Change in fair value, net Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value, Increase (Decrease) in Fair Value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value, Increase (Decrease) in Fair Value Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Interest expense Interest Paid, Excluding Capitalized Interest, Operating Activity Hedging Designation [Axis] Hedging Designation [Axis] Credit Facility [Axis] Credit Facility [Axis] Total assets carried at fair value Assets, Fair Value Disclosure Borrowings Due August 2029 Rate One Borrowings Due August 2029 Rate One [Member] Borrowings Due August 2029 Rate One Name Measure Name Interest accretion Liability for Future Policy Benefit, Interest Expense Pay vs Performance Disclosure [Line Items] Adjusted beginning of period PVENP Liability for Future Policy Benefit, Expected Net Premium, Original Discount Rate, before Reinsurance, after Cash Flow Change Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Fixed indexed call options Equity Swap [Member] Deferred tax liabilities: Components of Deferred Tax Liabilities [Abstract] Debt Instrument [Line Items] Debt Instrument [Line Items] Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward] Liability for Future Policy Benefit, Expected Future Policy Benefit [Roll Forward] Additional Paid-in Capital Additional Paid-in Capital [Member] Borrowings Due August 2030 Rate Three Borrowings Due August 2030 Rate Three [Member] Borrowings Due August 2030 Rate Three Deferred acquisition costs, present value of future profits, and sales inducements Deferred Tax Liabilities, Deferred Expense, Deferred Policy Acquisition Cost Name Trading Arrangement, Individual Name Unrestricted Cash and Cash Equivalent Actual policyholder behavior different from expected behavior Market Risk Benefit, Increase (Decrease) from Actual Policyholder Behavior Different from Expected Effect of actual variances from expected experience Liability for Future Policy Benefit, Expected Net Premium, Cumulative Increase (Decrease) of Actual Variance from Expected Experience Premiums less benefits Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value, Premiums Less Benefits Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value, Premiums Less Benefits Realized investment gains (losses): Realized Investment Gains (Losses) [Abstract] Borrowings Due August 2028 Rate Borrowings Due August 2028 Rate [Member] Borrowings Due August 2028 Rate Company Selected Measure Amount Company Selected Measure Amount Schedule of Reconciliation of Segment Revenues and Expenses to Consolidated Revenues and Expenses and Net Income (Loss) Segment Reporting, Reconciliation of Profit (Loss) by Segment to Consolidated [Table Text Block] Amortization and depreciation Depreciation, Depletion and Amortization SOFR Secured Overnight Financing Rate (SOFR) [Member] Schedule of Other Significant Noncash Transactions Schedule of Other Significant Noncash Transactions [Table Text Block] Current income taxes prepaid (accrued) Prepaid (Accrued) Income Taxes, Current Prepaid (Accrued) Income Taxes, Current Borrowings Due September Rate Borrowings Due September 2030 Rate [Member] Borrowings Due September 2030 Rate Unobservable inputs, equity securities Equity Securities, FV-NI, Measurement Input Fair value of level 3 fixed maturity securities and trading securities valued using broker quotes, percentage Fair Value, Fixed Maturity Securities Valued Using Broker Quotes, Percentage Fair Value, Fixed Maturity Securities Valued Using Broker Quotes, Percentage Reductions for securities disposed during the period Reductions for securities disposed during the period Debt Securities, Available-for-Sale, Allowance for Credit Loss, Securities Sold Investment borrowings Investment Borrowings Amounts borrowed by a wholly owned subsidiary primarily from the Federal Home Loan Bank of Indianapolis; the proceeds of which were used to purchase fixed maturity securities. Non-PEO NEO Non-PEO NEO [Member] Award Timing Method Award Timing Method [Text Block] Net increase (decrease) in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forecast Forecast [Member] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Gross deferred tax assets Deferred Tax Assets, Gross Greater than 150 basis points above Policyholder Account Balance, above Guaranteed Minimum Crediting Rate, Range from 0151 and Greater [Member] Net income Net income Net income Net Income (Loss) Attributable to Parent Borrowings Due July 2029 Rate Borrowings Due July 2029 Rate [Member] Borrowings Due July 2029 Rate Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Balance Sheet Location [Axis] Location, Statement of Financial Position, Balance [Axis] 2025 Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year Other Invested Assets Other Invested Assets [Member] Other Invested Assets [Member] Restatement Determination Date: Restatement Determination Date [Axis] Market Risk Benefit [Roll Forward] Market Risk Benefit [Roll Forward] Schedule of Accumulated Other Comprehensive Loss Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Borrowings Due January 2027 Rate Two Borrowings Due January 2027 Rate Two [Member] Borrowings Due January 2027 Rate Two Debt covenant, actual debt to total capitalization ratio at period end Debt Instrument, Covenant, Actual Debt To Total Capitalization Ratio Debt Instrument, Covenant, Actual Debt To Total Capitalization Ratio Sales of investments Sales Of Investments Sales of investments during the period primarily resulting from sales of actively managed fixed maturities. 90% to less than 100% Debt-To-Value Ratio, 90 Percent Or Greater [Member] Debt-To-Value Ratio, 90 Percent Or Greater [Member] Borrowings Due November 2026 Rate Borrowings Due November 2026 Rate [Member] Borrowings Due November 2026 Rate Borrowings Due April 2031 Rate Two Borrowings Due April 2031 Rate Two [Member] Borrowings Due April 2031 Rate Two Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Revenues: Revenues: Revenues [Abstract] Borrowings Due February 2028 Rate Three Borrowings Due February 2028 Rate Three [Member] Borrowings Due February 2028 Rate Three Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Shares: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Borrowings Due August 2029 Rate Three Borrowings Due August 2029 Rate Three [Member] Borrowings Due August 2029 Rate Three Statistical Measurement [Domain] Statistical Measurement [Domain] Policyholder Account Balance [Line Items] Policyholder Account Balance [Line Items] Document Fiscal Year Focus Document Fiscal Year Focus Issuance of investment borrowings: Proceeds from Issuance of Long-Term Debt [Abstract] Investment in each VIE Investment in Variable Interest Entity Investment in Variable Interest Entity Common stock ($0.01 par value, 8,000,000,000 shares authorized, shares issued and outstanding: September 30, 2026 – 91,705,509; December 31, 2025 – 94,484,339) Common Stock, Value, Issued Interest expense Interest expense Interest Expense, Operating and Nonoperating Schedule of Long-Term Debt Instruments Schedule of Long-Term Debt Instruments [Table Text Block] Embedded derivatives associated with fixed indexed annuity products Embedded derivatives related to fixed indexed annuity products Embedded Derivative, Fair Value of Embedded Derivative Liability Revolving Credit Agreement Line of Credit [Member] Restatement Determination Date Restatement Determination Date Change in valuation allowance for deferred tax assets Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Amortization and non-deferred commissions Amortization And Non-Deferred Commissions Amortization And Non-Deferred Commissions Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Effect of changes in discount rate assumptions, beginning of period Effect of changes in discount rate assumptions, end of period AOCI, Liability for Future Policy Benefit, Expected Net Premium, before Tax Schedule of Balance Sheet Information, by Segment Schedule of Balance Sheet Information, by Segment [Table Text Block] Schedule of Balance Sheet Information, by Segment Amendment Flag Amendment Flag Debt and Equity Securities, FV-NI [Line Items] Debt and Equity Securities, FV-NI [Line Items] Supplemental health Supplemental Health [Member] Supplemental Health Schedule of Variable Interest Entities by Contractual Maturity Variable Interest Entities, Fair Value by Contractual Maturity [Table Text Block] Variable Interest Entities, Fair Value by Contractual Maturity [Table Text Block] Net investment income Net Investment Income Gross unrealized losses Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax Goodwill and Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Beginning PVEFPB at original discount rate Ending PVEFPB at original discount rate Liability for Future Policy Benefit, Expected Future Policy Benefit, Original Discount Rate, before Cash Flow and Reinsurance Investments [Domain] Investments [Domain] Option budget Measurement Input, Option Budget [Member] Measurement Input, Option Budget Expenses related to divested business Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Expenses Related to Divested Business Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Expenses Related to Divested Business Federal Home Loan Bank Advances Federal Home Loan Bank Advances [Member] Commercial Mortgage Commercial Mortgage [Member] Commercial Mortgage Less than 60% Debt-To-Value Ratio, Less Than 60 Percent [Member] Debt-To-Value Ratio, Less Than 60 Percent [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Transfers into Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 Entity Address, State or Province Entity Address, State or Province Policyholder account balance, above guaranteed minimum crediting rate Policyholder Account Balance, above Guaranteed Minimum Crediting Rate PEO Total Compensation Amount PEO Total Compensation Amount Assets: Assets: Assets, Fair Value Disclosure [Abstract] Notional amount Derivative, Notional Amount Weighted average shares outstanding (in shares) Weighted average shares outstanding for basic earnings per share (in shares) Weighted Average Number of Shares Outstanding, Basic Revenues related to earnings attributable to VIEs Revenues related to certain non-strategic investments and earnings attributable to non-controlling interests Revenues related to certain non-strategic investments and earnings attributable to non-controlling interests Fair Value Recurring Basis Unobservable Input Reconciliation Asset Gain Loss Statement Of Income Extensible List Not Disclosed Flag Fair Value Recurring Basis Unobservable Input Reconciliation Asset Gain Loss Statement Of Income Extensible List Not Disclosed Flag Fair Value Recurring Basis Unobservable Input Reconciliation Asset Gain Loss Statement Of Income Extensible List Not Disclosed Flag Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Debt covenant, minimum required consolidated net worth, component two, as a percent of net equity proceeds received from issuance and sale of equity interests Debt Instrument, Covenant, Required Minimum Net Worth, Component Two, Percent Of Net Equity Proceeds Received From Issuance And Sale Of Equity Interests Debt Instrument, Covenant, Required Minimum Net Worth, Component Two, Percent Of Net Equity Proceeds Received From Issuance And Sale Of Equity Interests Credit Agreement Credit Agreement [Member] Credit Agreement Other invested assets Investments and Other Noncurrent Assets Variable interest entities net realized gain (losses) on investments Variable Interest Entities Net Realized Gain (Loss) On Investments Variable Interest Entities Net Realized Gain (Loss) On Investments Deferral of policy acquisition costs and sales inducements Increase (Decrease) in Deferred Policy Acquisition Costs Borrowings Due January 2031 Rate One Borrowings Due January 2031 Rate One [Member] Borrowings Due January 2031 Rate One Discounted projected embedded derivatives Valuation Technique, Discounted Projected Embedded Derivatives [Member] Valuation Technique, Discounted Projected Embedded Derivatives Financing Receivable, Credit Quality Indicator [Line Items] Financing Receivable, Credit Quality Indicator [Line Items] Investment Rating [Domain] Investment Rating [Domain] Investment Rating [Domain] Schedule of Changes in the Allowance for Current Expected Credit Losses Debt Securities, Available-for-Sale, Allowance for Credit Loss [Table Text Block] Investments: Investments [Abstract] Due after five years through ten years Due after five years through ten years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Borrowings Due January 2028 Rate Two Borrowings Due January 2028 Rate Two [Member] Borrowings Due January 2028 Rate Two Fee revenue related to divested business Revenue Related to Transition and Support Services Agreements Revenue Related to Transition and Support Services Agreements Amortized cost Amortized cost Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity [Abstract] Total policyholder account values Policyholder Account Balance, Gross Policyholder Account Balance, Gross Life: Life Life Insurance Product Line [Member] Document Information [Line Items] Document Information [Line Items] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Basis of Accounting Basis of Accounting, Policy [Policy Text Block] Class of Stock [Axis] Class of Stock [Axis] Mortgage loans Mortgage Loans on Real Estate, Fair Value Mortgage Loans on Real Estate, Fair Value Net income for basic earnings per share Net Income (Loss) Available to Common Stockholders, Basic Insurance liabilities Increase (Decrease) in Insurance Liabilities Schedule of Changes in the Allowance for Current Expected Credit Losses Related to Investments Held by VIEs Variable Interest Entities, Debt Securities, Available-for-Sale, Allowance for Credit Loss [Table Text Block] Variable Interest Entities, Debt Securities, Available-for-Sale, Allowance for Credit Loss Line of credit maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Variable interest entities, change in allowance for credit losses Variable Interest Entities, Change In Allowance For Current Expected Credit Losses Variable Interest Entities, Change In Allowance For Current Expected Credit Losses Collateralized loan obligations Collateralized Debt Obligations [Member] Net unrealized losses on investments having no allowance for credit losses Accumulated Other Comprehensive Income (Loss), Net Unrealized Appreciation On Investments Having No Allowance For Credit Losses Accumulated Other Comprehensive Income (Loss), Net Unrealized Appreciation On Investments Having No Allowance For Credit Losses Net state operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards, State and Local Present value of expected future policy benefits ("PVEFPB"), beginning of period Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, and Discount Rate Change Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, and Discount Rate Change Earnings Per Share Earnings Per Share, Policy [Policy Text Block] Recently Adopted/Issued Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Total fixed maturities, available for sale Debt Securities, Available-for-Sale, Excluding Accrued Interest, Fair Value Option Debt Securities, Available-for-Sale, Excluding Accrued Interest, Fair Value Option Interest credited Interest Credited Interest Credited Payments on investment borrowings: Payments for (Proceeds from) Investments, Alternative [Abstract] Schedule of Policyholder Account Balance, Guaranteed Minimum Crediting Rate Policyholder Account Balance, Guaranteed Minimum Crediting Rate [Table Text Block] Income taxes Increase (Decrease) in Income Taxes Payable Subtotal Available For Sale Securities, Debt Maturities, Fair Value, Excluding Structured Securities Available For Sale Securities, Debt Maturities, Fair Value, Excluding Structured Securities Net cash used by investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Cash collateral received Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset SHAREHOLDERS' EQUITY Equity [Text Block] Investment Borrowings [Abstract] Investment Borrowings [Abstract] Investment Borrowings [Abstract]. Security Exchange Name Security Exchange Name Scott L. Goldberg [Member] Scott L. Goldberg Variable interest entity, gross unrealized gains fixed maturity securities Variable Interest Entity, Gross Unrealized Gains Fixed Maturity Securities Variable Interest Entity, Gross Unrealized Gains Fixed Maturity Securities Borrowings Due January 2028 Rate Five Borrowings Due January 2028 Rate Five [Member] Borrowings Due January 2028 Rate Five Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Carrying value of loans Total amortized cost Financing Receivable, before Allowance for Credit Loss Total liabilities carried at fair value Liabilities, Fair Value Disclosure 12 months or greater Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer Business Segments Segment Reporting, Policy [Policy Text Block] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Name Outstanding Recovery, Individual Name Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Borrowings Due February 2031 Rate One Borrowings Due February 2031 Rate One [Member] Borrowings Due February 2031 Rate One Deferred liability Liability for Future Policy Benefit, Deferred Profit Liability Liability for Future Policy Benefit, Deferred Profit Liability Amortization expense Deferred Sales Inducement Cost, Amortization Expense Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Investment income not allocated to product lines Investment Income Not Allocated To Product Lines Investment Income Not Allocated To Product Lines Borrowings Due July 2027 Rate One Borrowings Due July 2027 Rate One [Member] Borrowings Due July 2027 Rate One Expected future benefits and expenses (Undiscounted) Liability for Future Policy Benefit, Expected Future Policy Benefit, Undiscounted, before Reinsurance Variable interest entity gross unrealized losses fixed maturity securities Variable Interest Entity Gross Unrealized Losses Fixed Maturity Securities Gross unrealized losses of fixed maturity securities held by the VIE Effect of dilutive securities on weighted average shares: Weighted Average Number of Shares Outstanding, Diluted, Adjustment [Abstract] Borrowings Due May 2031 Rate Three Borrowings Due May 2031 Rate Three [Member] Borrowings Due May 2031 Rate Three Cash and cash equivalents - unrestricted Cash And Cash Equivalents, At Carrying Value, Excluding Variable Interest Entities Cash And Cash Equivalents, At Carrying Value, Excluding Variable Interest Entities Effect of changes in the instrument-specific credit risk, beginning of period Effect of changes in the instrument-specific credit risk, end of period Market Risk Benefit, Effect of Changes in Instrument-Specific Credit Risk Market Risk Benefit, Effect of Changes in Instrument-Specific Credit Risk Other Other [Member] Other Residential Mortgage Residential Mortgage [Member] Total fixed maturities, available for sale Total Fixed Maturities, Available For Sale [Member] Total Fixed Maturities, Available For Sale [Member] Asset Class [Domain] Asset Class [Domain] Federal Home Loan Bank Payments of FHLBank Borrowings, Financing Activities Capital loss carryforwards Deferred Tax Assets, Capital Loss Carryforwards Borrowings Due August 2030 Rate Two Borrowings Due August 2030 Rate Two [Member] Borrowings Due August 2030 Rate Two Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Weighted average shares outstanding (in shares) Weighted average shares outstanding for diluted earnings per share (in shares) Weighted Average Number of Shares Outstanding, Diluted Entity Emerging Growth Company Entity Emerging Growth Company 2026 Financing Receivable, Year One, Originated, Current Fiscal Year Underlying Security Market Price Change Underlying Security Market Price Change, Percent Annuity: Annuity Life and Annuity Insurance Product Line [Member] Accrued investment income Accrued investment income Accrued Investment Income Receivable Subtotal Available For Sale Securities, Debt Maturities, Amortized Cost, Excluding Structured Securities Available For Sale Securities, Debt Maturities, Amortized Cost, Excluding Structured Securities Fixed Index Annuity Products Interest Sensitive Products Fixed Index Annuity Products [Member] Interest Sensitive Products Fixed Index Annuity Products [Member] Gross premiums Liability for Future Policy Benefit, Gross Premium Income Variable interest entity, allowance for credit losses fixed maturity securities Variable Interest Entity, Fixed Maturity Securities, Allowance For Credit Loss Variable Interest Entity, Fixed Maturity Securities, Allowance For Credit Loss Reinsurance receivables (net of allowance for credit losses: September 30, 2026 - $0.5 and December 31, 2025 - $1.0) Reinsurance Recoverable for Paid Claims and Claims Adjustments Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-Sale [Line Items] 2024 Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Net liability, end of period, net of reinsurance Market Risk Benefit, after Reinsurance and Cumulative Increase (Decrease) from Instrument-Specific Credit Risk Change All Executive Categories All Executive Categories [Member] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Embedded Derivative Related to Fixed Maturity Securities Embedded derivatives Embedded Derivative Financial Instruments [Member] Coinsurance Embedded derivative related to modified coinsurance agreement Coinsurance [Member] Coinsurance [Member] Schedule of Earnings Per Share Reconciliation Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Policyholder Account Balance, Guaranteed Minimum Crediting Rate Range [Domain] Policyholder Account Balance, Guaranteed Minimum Crediting Rate Range [Domain] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Capitalizations Deferred Policy Acquisition Cost, Capitalization BUSINESS SEGMENTS Segment Reporting [Text Block] Minimum Minimum [Member] Investment Type [Axis] Investment Type [Axis] Investment borrowings Investment Borrowings, Fair Value Disclosure Investment Borrowings, Fair Value Disclosure Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Policyholder account balances Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangements Derivative Liability, Fair Value, Gross Liability Including Not Subject to Master Netting Arrangements INVESTMENTS IN VARIABLE INTEREST ENTITIES Variable Interest Entity Disclosure [Text Block] Liabilities: Liabilities: Liabilities [Abstract] Income Statement Location [Axis] Location, Statement of Income, Balance [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Premiums received (premiums collected from inforce business) Policyholder Account Balance, Premium Received Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Fair Value, Assets on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Collateral Loans 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purchased in an effort to hedge certain potential benefits accruing to the policyholders of our equity-indexed products; (ii) trading account securities; (iii) change in value of embedded derivatives related to modified coinsurance agreements; and (iv) Company-only life insurance which was purchased as an investment vehicle to fund the deferred compensation plan for certain agents. Schedule of Terms of Federal Home Loan Bank Borrowing Schedule of Terms of Federal Home Loan Bank Borrowing [Table Text Block] Schedule of Terms of Federal Home Loan Bank Borrowing [Table Text Block] Balance, end of period, net of reinsurance Policyholder Account Balance, Net of Reinsurance Policyholder Account Balance, Net of Reinsurance Litigation, verdict infavor of the class representatives amount Litigation, Verdict In Favor of Class Representatives Amount Litigation, Verdict In Favor of Class Representatives Amount Other comprehensive income (loss) before tax Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Deferred income tax assets Accumulated Other Comprehensive Income (Loss), Deferred Income Tax Liabilities Accumulated Other Comprehensive Income (Loss), Deferred Income Tax Liabilities Income before income taxes Income before tax Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Expected future benefits and 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Not Yet Determined [Text Block] Flooring impact Liability for Future Policy Benefit, Flooring Impact Liability for Future Policy Benefit, Flooring Impact Borrowings Due January 2031 Rate Three Borrowings Due January 2031 Rate Three [Member] Borrowings Due January 2031 Rate Three Fixed indexed call options Equity Contract [Member] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] BUSINESS, BASIS OF PRESENTATION, AND SIGNIFICANT ACCOUNTING POLICIES Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Debt Instrument [Axis] Debt Instrument [Axis] Related to variable interest entities Repayments of Investment Borrowings Related to Variable Interest Entities Repayments of Investment Borrowings Related to Variable Interest Entities Borrowings Due April 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assumptions Liability for Future Policy Benefit, Expected Future Policy Benefit, Cumulative Increase (Decrease) from Cash Flow Change Equity Awards Adjustments Equity Awards Adjustments [Member] Net deferred tax assets Net deferred tax assets Deferred Tax Assets, Net Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Income Tax Authority [Domain] Income Tax Jurisdiction [Domain] LIABILITIES FOR INSURANCE PRODUCTS Liability for Future Policy Benefits and Unpaid Claims Disclosure [Text Block] Funding agreements Funding Agreement Backed Notes Funding Agreement Backed Notes [Member] Funding Agreement Backed Notes Non-performance risk spread Measurement Input, Non-Performance Risk Spread [Member] Measurement Input, Non-Performance Risk Spread Available for sale fixed maturities classified as level 3, investment grade, percent Available for Sale Fixed Maturities with Significant Unobservable Inputs, Investment Grade, Percent Available for Sale Fixed Maturities with Significant Unobservable Inputs, Investment Grade, Percent Schedule of Deferred Sale Inducement Cost Deferred Sale Inducement Cost [Table Text Block] DERIVATIVES Derivatives and Fair Value [Text Block] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] 5.250% Senior Notes due May 2029 Senior Note 5.250 Percent May 2029 [Member] Senior Note 5.250 Percent May 2029 [Member] Commercial mortgage-backed securities Commercial Mortgage-Backed Securities [Member] Borrowings Due July 2027 Rate Two Borrowings Due July 2027 Rate Two [Member] Borrowings Due July 2027 Rate Two Hedging Designation [Domain] Hedging Designation [Domain] Net deferred tax assets before valuation allowance Deferred Tax Assets, Net, Before Valuation Allowance Deferred Tax Assets, Net, Before Valuation Allowance Class of Stock [Domain] Class of Stock [Domain] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Fair Value Asset Recurring Basis Still Held Unrealized Gain Loss Statement Of Income Extensible List Not Disclosed Flag Fair Value Asset Recurring Basis Still Held Unrealized Gain Loss Statement Of Income Extensible List Not Disclosed Flag Fair Value Asset Recurring Basis Still Held Unrealized Gain Loss Statement Of Income Extensible List Not Disclosed Flag Effect of changes in equity index volatility Market Risk Benefit, Increase (Decrease) from Volatility Change in fair value of market risk benefits Market Risk Benefit, Change in Fair Value, Gain (Loss) Other investment gains (losses) Other investment gains (losses) Other Investments Gain (Loss) Other Investments Gain (Loss) Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Investments Investment, Policy [Policy Text Block] Income Tax Authority [Axis] Income Tax Jurisdiction [Axis] INCOME TAXES Income Tax Disclosure [Text Block] Number of insurance subsidiaries that are members of the 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Due August 2029 Rate Two Borrowings Due August 2029 Rate Two [Member] Borrowings Due August 2029 Rate Two Amortized cost of fixed maturities that were non-income producing Investments, Fixed Maturity, Amortized Cost, Non-Income Producing Investments, Fixed Maturity, Amortized Cost, Non-Income Producing Future policy benefits Future policy benefits Policyholder Account Balance, Liability For Future Policy Benefits And Unpaid Claims And Claims Adjustment Expense Policyholder Account Balance, Liability For Future Policy Benefits And Unpaid Claims And Claims Adjustment Expense Borrowings Due April 2030 Rate Borrowings Due April 2030 Rate [Member] Borrowings Due April 2030 Rate Net pre-tax impact Gain (Loss) on Derivative Instruments, Net, Pretax Financial Asset, Aging [Axis] Financial Asset, Aging [Axis] Investment Rating [Axis] Investment Rating [Axis] Investment Rating [Axis] Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Fixed indexed annuities Embedded derivatives related to fixed indexed annuities Fixed Indexed Annuities [Member] Fixed Indexed Annuities Investments, Debt and Equity Securities [Abstract] Investments, Debt and Equity Securities [Abstract] Net investment income: Net Investment Income [Abstract] Change in unrealized gains or losses for the period included in net income for assets held at the end of the reporting period Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) Debt covenant, minimum required consolidated net worth, component one, amount Debt Instrument, Covenant, Required Minimum Consolidated Net Worth, Component One, Amount Debt Instrument, Covenant, Required Minimum Consolidated Net Worth, Component One, Amount Accrual, amortization and fair value changes included in investment income Change In Accrued Investment Income, Amortization Of Premium Or Discount On Investments And Fair Value Of Investments Change In Accrued Investment Income, Amortization Of Premium Or Discount On Investments And Fair Value Of Investments Maturities and redemptions of investments Maturities And Redemptions Of Investments Maturities and redemptions of investments during the period primarily resulting from actively managed fixed maturities. Borrowings Due May 2031 Rate Two Borrowings Due May 2031 Rate Two [Member] Borrowings Due May 2031 Rate Two Cash and cash equivalents held by variable interest entities Held by variable interest entities Cash And Cash Equivalents Held By Variable Interest Entities Total of cash and cash equivalents of consolidated variable interest entities where we are the primary beneficiary. Senior Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Total benefits and expenses Benefits, Losses and Expenses Total income tax expense calculated based on estimated annual effective tax rate Income Tax Expense (Benefit) Effect of changes in equity markets Market Risk Benefit, Increase (Decrease) from Equity Market Change PVEFPB, end of period Liability for Future Policy Benefit, Expected Future Policy Benefit, before Reinsurance, after Discount Rate Change Consolidation Consolidation, Policy [Policy Text Block] Stock options, restricted stock, performance units, and Employee Stock Purchase Program Share Based Compensation, Noncash Portion Share Based Compensation, Noncash Portion Variable Interest Entity, Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] Investments Deferred Tax Liabilities, Investments Borrowings related to variable interest entities Borrowings Related To Variable Interest Entities, Fair Value Disclosure Borrowings Related To Variable Interest Entities, Fair Value Disclosure Loan Restructuring Modification [Domain] Loan Restructuring Modification [Domain] Change in instrument-specific credit risk for market risk benefits Accumulated Other Comprehensive Income (Loss), Changed in instrument Specific Credit Risk For Market Risk Benefits Accumulated Other Comprehensive Income (Loss), Changed in instrument Specific Credit Risk For Market Risk Benefits Discounted cash flow analysis Valuation Technique, Discounted Cash Flow [Member] Statement [Table] Statement [Table] Segment Reconciling Items Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member] Ownership change threshold restricting NOL usage Ownership Change Threshold Restricting Net Operating Loss Usage Ownership Change Threshold Restricting Net Operating Loss Usage Fixed indexed call options Gross amounts recognized Derivative Asset, Subject to Master Netting Arrangement, before Offset Expected future gross premiums (Discounted) Liability for Future Policy Benefit, Expected Future Gross Premium, Discounted, before Reinsurance Policyholder Account Balance [Roll Forward] Policyholder Account Balance [Roll Forward] Indirect costs allocable to self-constructed real estate assets Deferred Tax Assets, Indirect Costs Allocable to Self-Constructed Real Estate Assets Deferred Tax Assets, Indirect Costs Allocable to Self-Constructed Real Estate Assets Other non-life companies Other Nonlife Companies [Member] Other Nonlife Companies [Member] Unfunded commitments to limited partnerships Unfunded Commitments to Limited Partnerships Unfunded Commitments to Limited Partnerships Federal long-term tax exempt rate Federal Long Term Tax Exempt Rate Federal Long Term Tax Exempt Rate Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]