Provision for expected credit losses on securities with no previous allowance
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Not Previously Recorded
Distributions
Proceeds Received From Distributions of Managed Investment Entities Liabilities
Proceeds received from distributions of managed investment entities liabilities.
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Adjustments:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Reductions of long-term debt
Repayments of Long-Term Debt
Income taxes at statutory rate
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount
Cover [Abstract]
Cover [Abstract]
Net Change in Cash and Cash Equivalents
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
Trading Symbol
Trading Symbol
Non-NEOs
Non-NEOs [Member]
Additions to previously recognized expected credit losses
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Not to Sell before Recovery, Credit Loss, Previously Recorded, Expense (Reversal)
Dividends (USD per share)
Common Stock, Dividends, Per Share, Declared
Goodwill
Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]
Mortgage loans
Payments to Acquire Mortgage Notes Receivable
Variable Interest Entity, Ownership [Roll Forward]
Variable Interest Entity, Ownership [Roll Forward]
Progression of the ownership of variable interest entities
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Total net unrealized gains (losses) on cash flow hedges, tax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax
Equity securities
Payments to Acquire Equity Securities, FV-NI
Reinsurance
Reinsurance Accounting Policy [Policy Text Block]
Change in fair value of equity securities
Equity Securities, FV-NI, Gain (Loss)
Earnings Per Share
Earnings Per Share, Policy [Policy Text Block]
Non-Rule 10b5-1 Arrangement Adopted
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Hedging Relationship [Domain]
Hedging Relationship [Domain]
Fair Value Measurements
Fair Value Disclosures [Text Block]
Other comprehensive income (loss), pretax
Other Comprehensive Income (Loss), before Tax
Unrealized holding gains (losses) on securities arising during the period
Unrealized holding gains (losses) on securities arising during the period, after tax
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
Award Timing Disclosures [Line Items]
Investment, Name [Domain]
Investment, Name [Domain]
Portion at fair value measurement
Portion at Fair Value Measurement [Member]
Segments of Operations
Segment Reporting, Policy [Policy Text Block]
Other benefit plans
Stock Issued During Period, Value, Employee Benefit Plan
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Other benefit plans (shares)
Stock Issued During Period, Shares, Employee Benefit Plan
Operating Segments
Operating Segments [Member]
Net cash provided by operating activities
Net Cash Provided by (Used in) Operating Activities
Operating Activities:
Net Cash Provided by (Used in) Operating Activities [Abstract]
4.50% Subordinated Debentures due September 2060
Subordinated Debentures due in September 2060 [Member]
Subordinated Debentures due in September 2060
Components of accumulated other comprehensive income (loss)
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]
Award Timing Method
Award Timing Method [Text Block]
Trading Arrangements, by Individual
Trading Arrangements, by Individual [Table]
Management fees paid to AFG
Management Fees Paid by Variable Interest Entities
Management fees paid by variable interest entities.
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Shares exchanged — benefit plans (shares)
Stock Repurchased Shares Exchanged in Stock Compensation Plans, Shares
Repurchased shares exchanged in stock compensation plans, shares
Insider Trading Policies and Procedures [Line Items]
States, municipalities and political subdivisions
State and municipal
US States and Political Subdivisions Debt Securities [Member]
Adjustment to Compensation, Amount
Adjustment to Compensation Amount
Capital surplus
Additional Paid in Capital, Common Stock
Compensation Amount
Outstanding Recovery Compensation Amount
Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table
Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member]
Entity Small Business
Entity Small Business
After five years through ten years
Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value Percent
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value, Percent.
Company Selected Measure Amount
Company Selected Measure Amount
Reinsurance and other receivables
Increase (Decrease) in Reinsurance and Other Receivables
Increase (Decrease) in reinsurance, agent's balances and premiums receivable and other receivables.
Income of managed investment entities:
Income (Loss) of Managed Investment Entities [Abstract]
Income (loss) of managed investment entities.
Agents’ balances and premiums receivable
Premiums Receivable, Net
Tabular List, Table
Tabular List [Table Text Block]
Level 3
Fair Value, Inputs, Level 3 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Effect of stock-based compensation
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Amount
Anti-dilutive potential common shares related to stock-based compensation plans (shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Debt Securities, Available-for-sale, Allowance for Credit Loss [Line Items]
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Line Items]
Contingent consideration — acquisitions
Contingent Consideration - Acquisitions [Member]
Contingent consideration of acquisitions.
Purchases of investments
Purchases of Investments by Managed Investment Entities
The cash outflow from the purchase of investments by managed investment entities.
Level 3 assets that were priced using non-binding broker quotes
Level Three Assets That Were Priced Using Non Binding Broker Quotes
Level three assets that were priced using non-binding broker quotes.
Total return swap
Total Return Swap [Member]
Unpaid losses and loss adjustment expenses
Balance at beginning of year
Gross unpaid losses and LAE included in the balance sheet at end of period
Liability for Claims and Claims Adjustment Expense
Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Goodwill
Goodwill
Other comprehensive income (loss), net of tax:
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Entity Information [Line Items]
Entity Information [Line Items]
Employee Stock Option
Share-Based Payment Arrangement, Option [Member]
Debt Securities, Available-for-sale [Table]
Debt Securities, Available-for-Sale [Table]
Summary of Carrying value of long-term debt
Summary Of Carrying Value Of Long Term Debt [Abstract]
Summary of Carrying value of long-term debt.
Comprehensive income
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
New collateralized loan obligation entities
New Collateralized Loan Obligation Entities [Member]
New collateralized loan obligation entities.
Property and Casualty Insurance
Property and Casualty Insurance [Member]
Property and casualty insurance.
Effect of other income tax reconciliation as a percentage of EBT
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent
Available for sale fixed maturity securities by contractual maturity date
Investments Classified by Contractual Maturity Date [Table Text Block]
Award Type [Axis]
Award Type [Axis]
Corporate and other
Corporate and other
Corporate Debt Securities [Member]
Earnings per Common Share:
Earnings Per Share, Basic [Abstract]
Total realized/unrealized gains (losses) included in other comprehensive income (loss)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss)
Total liabilities
Liabilities
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Expiration Date
Trading Arrangement Expiration Date
Investing Activities:
Net Cash Provided by (Used in) Investing Activities [Abstract]
Total Shareholder Return Amount
Total Shareholder Return Amount
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract]
After ten years
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 10
Internally developed level 3 assets
Internally Developed Level 3 Assets
Level 3 assets in which the fair value was developed internally.
Percent of real-estate related investments by property type
Real-estate Related Investments, Percent, By Property Type
Percent of real-estate related investments by property type
Equity Awards Adjustments, Footnote
Equity Awards Adjustments, Footnote [Text Block]
Transfer out of Level 3
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3
Gross gains
Debt Securities, Available-for-Sale, Realized Gain
Insurance Loss Reserves [Abstract]
Insurance Loss Reserves [Abstract]
Insurance claims and reserves
Increase (Decrease) in Liability for Claims and Claims Adjustment Expense Reserve
Exercise of stock options (shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period
Unrealized holding gains (losses) on cash flow hedges arising during the period, pretax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Named Executive Officers, Footnote
Named Executive Officers, Footnote [Text Block]
Other assets
Other Assets
Collateralized loan obligations
Collateralized Loan Obligations [Member]
5.625% Subordinated Debentures due June 2060
Subordinated Debentures Due In June 2060 [Member]
Subordinated Debentures Due In June 2060
Purchases of:
Payments for Investing Activities [Abstract]
Basis of Presentation
Basis of Accounting, Policy [Policy Text Block]
Total net unrealized gains (losses) on securities
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax
Diluted (shares)
Weighted Average Number of Shares Outstanding, Diluted
Write-offs charged against the allowance
Premium Receivable, Allowance for Credit Loss, Writeoff
MNPI Disclosure Timed for Compensation Value
MNPI Disclosure Timed for Compensation Value [Flag]
Accumulated Other Comprehensive Income [Roll Forward]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Total shareholders’ equity
Equity, Attributable to Parent
Face value of liabilities issued by managed investment entities on issuance date
Face Value Of Liabilities Issued By Managed Investment Entities On Issuance Date
Face value of liabilities issued by managed investment entities.
One year or less
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, Year One
Percentage of investment of most subordinate debt tranche, Minimum
Percentage of Investment of Most Subordinate Debt Tranche of Variable Interest Entity Minimum
Minimum percentage of investment of most subordinate debt tranche of variable interest entity.
Fixed maturities without single maturity date
Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Amortized Cost
5.25% Senior Notes due April 2030
Senior Notes Due In April 2030 [Member]
Senior Notes due in April 2030
Commissions and other underwriting expenses
Selling, General and Administrative Expense
Fair value, total, percent
Available For Sale Securities Debt Maturities Fair Value Percent
Available-for-sale Securities, Debt Maturities, Fair Value, Total, Percent.
Net purchases of trading securities
Proceeds from (Payments for) Trading Securities, Short-Term
Sales of other investments
Proceeds from Sale and Maturity of Other Investments
Document Fiscal Period Focus
Document Fiscal Period Focus
Scheduled principal payments on debt in year four
Long-Term Debt, Maturity, Year Four
All Executive Categories
All Executive Categories [Member]
Weighted average common shares adjustment related to stock-based compensation (shares)
Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements
Interest and Amortization [Domain]
Interest and Amortization [Domain]
Interest and Amortization [Domain]
Equity securities
Equity Securities [Member]
Accumulated net investment gain (loss) attributable to parent
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]
Changed Peer Group, Footnote
Changed Peer Group, Footnote [Text Block]
Amount of goodwill expected to be tax deductible
Business Acquisition, Goodwill, Expected Tax Deductible Amount
Assets:
Assets [Abstract]
Other comprehensive income (loss), net of tax
Other Comprehensive Income (Loss), Net of Tax
Document Type
Document Type
Derivative Contract [Domain]
Derivative Contract [Domain]
Segment reporting information, by segment
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Derivative Liability, Statement of Financial Position [Extensible Enumeration]
Derivative Liability, Statement of Financial Position [Extensible Enumeration]
Mortgage loans
Mortgage Loans on Real Estate, Commercial and Consumer, Net
Net liability at beginning of year
Net liability at end of period
Liability for Unpaid Claims and Claims Adjustment Expense, Net
After ten years
Available For Sale Securities Debt Maturities After Ten Years Fair Value Percent
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value, Percent.
Fixed maturities, available for sale, amortized cost
Debt Securities, Available-for-Sale, Amortized Cost
Depreciation and amortization
Depreciation, Amortization and Accretion, Net
Sales
Proceeds Received Related to Sales of Managed Investment Entities Liabilities
Proceeds received related to sales of managed investment entities liabilities during the period
Maximum
Maximum [Member]
AFG
Parent Company [Member]
Equity Valuation Assumption Difference, Footnote
Equity Valuation Assumption Difference, Footnote [Text Block]
Beginning Balance
Ending Balance
Reinsurance Recoverable, Allowance for Credit Loss
Amortizable intangible assets related to property and casualty insurance acquisitions
Finite-Lived Intangible Assets, Net
Reconciliation of beginning and ending liability for unpaid losses and loss adjustment expenses
Schedule of Liability for Unpaid Claims and Claims Adjustment Expense [Table Text Block]
Investment Type [Axis]
Investment Type [Axis]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Proceeds from:
Proceeds from Investing Activities [Abstract]
Statistical Measurement [Axis]
Statistical Measurement [Axis]
Non-Rule 10b5-1 Arrangement Terminated
Non-Rule 10b5-1 Arrangement Terminated [Flag]
Beginning Balance
Ending Balance
Premium Receivable, Allowance for Credit Loss
Non-PEO NEO Average Total Compensation Amount
Non-PEO NEO Average Total Compensation Amount
Deferred Policy Acquisition Costs (“DPAC”)
Deferred Policy Acquisition Costs, Policy [Policy Text Block]
Name
Outstanding Recovery, Individual Name
Real estate, property and equipment
Purchases of Real Estate, Property and Equipment
The cash outflow associated with the purchase of real estate held for investment purposes and cash flows associated with the acquisition of long-lived, physical assets that are used in the normal course of business.
Collateralized loan obligations and other asset backed securities
Collateralized loan obligations and other asset backed securities [Member]
Collateralized loan obligations and other asset backed securities
Payments for losses and LAE of:
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid [Abstract]
Award Timing Predetermined
Award Timing Predetermined [Flag]
Cash dividends paid on Common Stock
Payments of Ordinary Dividends, Common Stock
Investment, Name [Axis]
Investment, Name [Axis]
Customer relationships
Customer Relationships [Member]
Long-Term Debt
Long-Term Debt [Text Block]
Total diluted earnings (USD per share)
Earnings Per Share, Diluted
Changes in the goodwill
Goodwill, Period Increase (Decrease)
Restatement does not require Recovery
Restatement Does Not Require Recovery [Text Block]
Statement of Financial Position [Abstract]
Statement of Financial Position [Abstract]
Other asset-backed securities
Other asset-backed securities
Asset-Backed Securities [Member]
Total realized/unrealized gains (losses) included in Net earnings (loss)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings
Insurance
Insurance Disclosure [Text Block]
Variable Interest Entity, Primary Beneficiary, Does Not Hold Majority Voting Interest, Disclosures [Abstract]
Variable Interest Entity, Primary Beneficiary, Does Not Hold Majority Voting Interest, Disclosures [Abstract]
Derivatives not designated as hedges, gains (losses) included in net earnings
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net
Provision for income taxes
Provision for income taxes
Income Tax Expense (Benefit)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Derivative, notional amount
Derivative, Notional Amount
Other assets
Other assets
Derivative Asset
Investment income
Investment Income of Managed Investment Entities
Investment income of managed investment entities.
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Reinsurance Recoverable, Allowance for Credit Loss [Roll Forward]
Liabilities of managed investment entities
Variable Interest Entity, Liabilities
Variable Interest Entity, Liabilities
Statement of Comprehensive Income [Abstract]
Statement of Comprehensive Income [Abstract]
Net cash provided by (used in) investing activities
Net Cash Provided by (Used in) Investing Activities
Interest charges on borrowed money
Interest Expense, Operating and Nonoperating
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Effect of stock-based compensation as a percentage of EBT
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Percent
Other operating activities, net
Other Operating Activities, Cash Flow Statement
All Adjustments to Compensation
All Adjustments to Compensation [Member]
Investments accounted for using the equity method
Equity Method Investments [Table Text Block]
Other specialty
Specialty Other Insurance [Member]
Specialty Other Insurance.
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies Disclosure [Abstract]
Unfunded commitments to limited partnerships
Unfunded Commitments To Limited Partnerships
Represents commitments to fund credit facilities and contribute capital to certain limited partnership investments at a future date.
Holding gains (losses) on equity securities still held
Holding Gains (Losses) on Equity Securities Still Held [Table Text Block]
Tabular disclosure of holding gains (losses) on equity securities still held.
Fixed maturities, available-for-sale securities, accumulated gross unrealized gain (loss), before tax
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain (Loss), before Tax
Accumulated gain (loss), net, cash flow hedge, parent
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Long-term Debt, Type [Domain]
Long-Term Debt, Type [Domain]
Entity Address, State or Province
Entity Address, State or Province
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Erroneous Compensation Analysis
Erroneous Compensation Analysis [Text Block]
New collateralized loan obligation temporary warehousing entities
New Collateralized Loan Obligation Temporary Warehousing Entities [Member]
New collateralized loan obligation temporary warehousing entities
Holding Gains (Losses) on Equity Securities Still Held [Line Items]
Holding Gains (Losses) on Equity Securities Still Held [Line Items]
holding gains (losses) on equity securities still held
Financial Instruments [Domain]
Financial Instruments [Domain]
Liabilities and Equity:
Liabilities and Equity [Abstract]
Impairment allowance on fixed maturity securities
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Period Increase (Decrease)
Preferred Stock, par value (USD per share)
Preferred Stock, No Par Value
Restatement Determination Date
Restatement Determination Date
Fair Value
Estimate of Fair Value Measurement [Member]
Multifamily
Multifamily [Member]
Net investment income
Net investment income
Net investment income
Net Investment Income
Pay vs Performance Disclosure
Pay vs Performance Disclosure [Table]
Available for sale fixed maturities
Schedule of Available-for-Sale Securities Reconciliation [Table Text Block]
Operating lease right-of-use asset
Operating Lease, Right-of-Use Asset
Erroneously Awarded Compensation Recovery
Erroneously Awarded Compensation Recovery [Table]
Interest and Amortization [Axis]
Interest and Amortization [Axis]
Interest and amortization
Other liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other
Level three assets, equity securities, priced using broker quotes and internal models
Level Three Assets, Equity Securities, Priced Using Broker Quotes And Internal Models
Level three assets, equity securities priced using broker quotes and internal models
Exercise of stock options
Stock Issued During Period, Value, Stock Options Exercised
Unrealized holding gains (losses) on cash flow hedges arising during the period
Unrealized holding gains (losses) on cash flow hedges arising during the period, after tax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax
Fair value per share of restricted Common Stock issued under Stock Incentive Plan (USD per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Subsegments [Domain]
Subsegments [Domain]
Income Taxes
Income Tax, Policy [Policy Text Block]
Peer Group Issuers, Footnote
Peer Group Issuers, Footnote [Text Block]
Other income
Other Income
Segments [Domain]
Segments [Domain]
Other comprehensive income (loss), tax
Other Comprehensive Income (Loss), Tax
Dividends
Dividend Income, Operating
Percentage of level three assets, equity securities, priced using broker quotes and internal models
Percentage Of Level Three Assets, Equity Securities, Priced Using Broker Quotes And Internal Models
Percentage of level three assets, equity securities priced using broker quotes and internal models
Gains (losses) on change in fair value of assets/liabilities:
Gains (Losses) on Change in Fair Value of Assets/ Liabilities of Collateralized Loan Obligations [Abstract]
Gains losses on change in fair value of assets liabilities collateralized loan obligations.
PEO
PEO [Member]
Name
Trading Arrangement, Individual Name
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Number of collateralized loan obligation entities
Number of Collateralized Loan Obligation Entities
Number of collateralized loan obligation entities.
Equity in earnings of partnerships and similar investments
Income (Loss) from Equity Method Investments
Liabilities
Gain (Loss) on Change in Fair Value of Liabilities of Variable Interest Entities
Gain (loss) on change in fair value of liabilities of variable interest entities.
Awards Close in Time to MNPI Disclosures, Table
Awards Close in Time to MNPI Disclosures [Table Text Block]
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]
Cash and cash equivalents
Cash and Cash Equivalents, Fair Value Disclosure
Managed Investment Entities
Variable Interest Entity, Primary Beneficiary, Does Not Hold Majority Voting Interest, Disclosures [Text Block]
The entire disclosure of consolidation and basis of presentation of variable interest entities, in which the registrant is deemed to be the primary beneficiary, even though it does not hold a majority voting interest.
Aggregate Erroneous Compensation Amount
Aggregate Erroneous Compensation Amount
Shares exchanged — benefit plans
Stock Repurchased Shares Exchanged in Stock Compensation Plans, Value
Stock repurchased, shares exchanged in stock compensation plans, value.
Local Phone Number
Local Phone Number
Liabilities acquired:
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract]
Transfer out of Level 3
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3
Aggregate Erroneous Compensation Not Yet Determined
Aggregate Erroneous Compensation Not Yet Determined [Text Block]
Change in:
Increase (Decrease) in Operating Capital [Abstract]
Fixed maturities, available for sale, allowance for expected credit losses
Beginning balance
Ending balance
Debt Securities, Available-for-Sale, Allowance for Credit Loss
PEO Total Compensation Amount
PEO Total Compensation Amount
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Equity securities, at cost
Equity Securities, FV-NI, Cost
Fixed maturities fair value, subtotal, percent
Available-for-sale Securities, Debt Maturities Excluding ABS and MBS, Fair Value, Percent
Available for sale securities debt maturities excluding ABS and MBS fair value percent.
Income Statement Location [Axis]
Statement of Income Location, Balance [Axis]
Debt Disclosure [Abstract]
Debt Disclosure [Abstract]
Common Stock
Common Shares
Common stocks
Common Stock [Member]
Average life of ABS
Collateralized Loan Obligations and Other Asset-Backed Securities Average Useful Life
Collateralized loan obligations and Other asset-backed securities average useful life.
Forgone Recovery due to Expense of Enforcement, Amount
Forgone Recovery due to Expense of Enforcement, Amount
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Changes in balances of Level 3 financial liabilities
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Selected financial information related to collateralized loan obligations
Financial Information Related to Collateralized Loan Obligations [Abstract]
Financial information related to collateralized loan obligations.
Balance at beginning of period of ownership of CLO tranches
Balance at end of period of ownership of CLO tranches
Variable Interest Entity, Primary Beneficiary, Maximum Loss Exposure, Amount
Segment Reporting [Abstract]
Segment Reporting [Abstract]
Entity Central Index Key
Entity Central Index Key
Private equity
Equity Method Investments, Private Equity Funds [Member]
Equity Method Investments, Private Equity Funds
Change in Fair Value [Domain]
Change in Fair Value [Domain]
Change in Fair Value [Domain]
Total losses and LAE incurred
Liability for Unpaid Claims and Claims Adjustment Expense, Incurred Claims
Accumulated foreign currency adjustment attributable to parent
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Mortgage loans and other investments
Mortgage Loans And Other Investments [Member]
Mortgage loans and other investments.
Non-PEO NEO Average Compensation Actually Paid Amount
Non-PEO NEO Average Compensation Actually Paid Amount
Shareholders' Equity
Equity [Text Block]
Award Timing, How MNPI Considered
Award Timing, How MNPI Considered [Text Block]
Financial Instrument [Axis]
Financial Instrument [Axis]
Segments of Operations
Segment Reporting Disclosure [Text Block]
Net unrealized gains (losses) on cash flow hedges:
Reclassification of Cash Flow Hedge Gain (Loss) [Abstract]
Total realized/unrealized gains (losses) included in Net income
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings
Stock-based compensation expense
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition
Restricted Stock
Restricted Stock [Member]
Measurement Basis [Axis]
Measurement Basis [Axis]
Title
Trading Arrangement, Individual Title
Consolidated Entities [Axis]
Consolidated Entities [Axis]
Total pretax
Pretax [Member]
Total Pretax.
Managed Investment Entities
Consolidation, Variable Interest Entity, Policy [Policy Text Block]
City Area Code
City Area Code
Debt Securities, Available-for-sale, Allowance for Credit Loss [Table]
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Table]
Fair value of potential contingent consideration
Business Combination, Contingent Consideration, Liability
Insider Trading Policies and Procedures Not Adopted
Insider Trading Policies and Procedures Not Adopted [Text Block]
Deferred policy acquisition costs
Deferred Policy Acquisition Costs and Present Value of Future Insurance Profits, Net
Stockholders' Equity Note [Abstract]
Stockholders' Equity Note [Abstract]
Other expenses
Other Expense [Member]
Common Stock and Capital Surplus
Common Stock Including Additional Paid in Capital [Member]
Amortized cost
Debt Securities, Available-for-Sale, Amortized Cost, after Allowance for Credit Loss
Perpetual preferred stocks
Preferred Stock [Member]
Repurchases of Common Stock
Payments for Repurchase of Common Stock
Crop year 2022
Crop Insurance Contract, Crop Year 2022 [Member]
Crop Insurance Contract, Crop Year 2022
Total financial assets not accounted for at fair value
Financial Assets Not Accounted For At Fair Value
Total financial assets not accounted for at fair value.
Net investment income earned and investment expenses incurred
Investment Income [Table Text Block]
Property and casualty insurance net earned premiums
Total premiums earned
Premiums Earned, Net, Property and Casualty
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Change in accrued interest
Change in Accrued Interest of Managed Investment Entities Liabilities Owned
Change in accrued interest of managed investment entities liabilities that are owned by the company
Trading fixed maturities
Trading Fixed Maturities [Member]
Trading fixed maturities
Costs and Expenses:
Benefits, Losses and Expenses [Abstract]
Fair Value, Fiscal Year Maturity [Abstract]
Debt Securities, Available-for-Sale, Fair Value, Fiscal Year Maturity [Abstract]
Shares acquired and retired (shares)
Stock Repurchased and Retired During Period, Shares
Class of Stock [Domain]
Class of Stock [Domain]
Gains (losses) on interest rate swaps expected to be reclassified from AOCI to net earnings over the next 12 months.
Cash Flow Hedge Gain (Loss) to be Reclassified within 12 Months
Holding gains (losses) on equity securities
Equity Securities, FV-NI, Unrealized Gain (Loss)
Scheduled principal payments on debt in year two
Long-Term Debt, Maturity, Year Two
Foreign government
Debt Security, Government, Non-US [Member]
Level three assets that were priced using a discounted cash flow approach
Level Three Assets That Were Priced Using A Discounted Cash Flow Approach
Level three assets that were priced using a discounted cash flow approach.
Assets
Gain (Loss) on Change in Fair Value of Assets of Variable Interest Entities
Gain (loss) on change in fair value of assets of variable interest entities.
Aggregate Available
Trading Arrangement, Securities Aggregate Available Amount
Equity Awards Adjustments
Equity Awards Adjustments [Member]
Allowance for Credit Losses [Roll Forward]
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Roll Forward]
Operating lease liability
Operating Lease, Liability
Underlying Securities
Award Underlying Securities Amount
Investments
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]
Percentage of level 3 assets that were priced using non-binding broker quotes
Percentage Of Level Three Assets That Were Priced Using Non-Binding Broker Quotes
Percentage of level 3 assets that were priced using non-binding broker quotes.
Property and casualty insurance underwriting
Property and Casualty Insurance Underwriting Income (Loss)
Underwriting income (loss) for the property and casualty insurance segment, which is calculated as premiums earned less losses and loss adjustment expenses less commissions and other underwriting expenses.
Excess purchase price over net tangible assets acquired
BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedExcessPurchasePriceOverNetTangibleAssetsAcquired
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed Excess Purchase Price Over Net Tangible Assets Acquired
Dividends
Dividends, Common Stock, Cash
Amendment Flag
Amendment Flag
Carrying Value
Reported Value Measurement [Member]
Subordinated Debentures
Subordinated Debt [Member]
Stock Appreciation Rights (SARs)
Stock Appreciation Rights (SARs) [Member]
Debt Securities, Trading, and Equity Securities, FV-NI [Table]
Debt Securities, Trading, and Equity Securities, FV-NI [Table]
Sales of equity securities
Proceeds from Sale of Equity Securities, FV-NI
Discount and Issue Costs
Debt Issuance Costs, Net
One year or less
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, Year One
Fair Value, Measurements, Fair Value Hierarchy [Domain]
Fair Value Hierarchy and NAV [Domain]
Recovery of Erroneously Awarded Compensation Disclosure [Line Items]
Sales and settlements
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Interest rate swaps
Interest Rate Swap [Member]
Specialty casualty
Specialty Casualty Insurance [Member]
Specialty casualty.
Payable to reinsurers
Increase (Decrease) in Reinsurance Payables
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value
Schedule of Investments [Table]
Schedule of Investments [Table]
Other investing activities, net
Payments for (Proceeds from) Other Investing Activities
Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested
Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member]
Gain (loss) on retirement of debt
Gain (Loss) on Extinguishment of Debt
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]
Stock Incentive Plan
Share-Based Payment Arrangement [Member]
Fair Value Measurement [Domain]
Fair Value Measurement [Domain]
Adjustment To PEO Compensation, Footnote
Adjustment To PEO Compensation, Footnote [Text Block]
5.875% Subordinated Debentures due March 2059
Subordinated Debentures Due In March 2059 [Member]
Subordinated Debentures Due In March 2059
Designated as hedging instrument
Designated as Hedging Instrument [Member]
Effect of nondeductible expenses as a percentage of EBT
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent
Compensation Actually Paid vs. Other Measure
Compensation Actually Paid vs. Other Measure [Text Block]
Gross unrealized losses on securities by investment category and length of time that have been in a continuous unrealized loss position
Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block]
Schedule of Stock by Class [Table]
Stock, Class of Stock [Table]
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]
Average number of Common Shares:
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Total assets
Assets
Reclassification adjustment for investment income included in net earnings, tax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax
Specialty financial
Specialty Financial Insurance [Member]
Specialty Financial.
Forgone Recovery due to Violation of Home Country Law, Amount
Forgone Recovery due to Violation of Home Country Law, Amount
Derivative Instruments and Hedging Activities Disclosures [Table]
Derivative Instruments and Hedging Activities Disclosures [Table]
Stock-Based Compensation
Share-Based Payment Arrangement [Policy Text Block]
Other
Other Long-term Debt [Member]
Other Long-term Debt.
Reclassification adjustment for realized (gains) losses included in net earnings
Reclassification adjustment for realized (gains) losses included in net earnings, after tax
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax
Reconciliation of income taxes at the statutory rate and income taxes shown in the Statement of Earnings
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Termination Date
Trading Arrangement Termination Date
Investment and other income, net
Investment and Other Income, Net
Net investment income plus other income less other expenses.
Mortgage-backed securities
Collateralized Mortgage-Backed Securities [Member]
Carrying value and fair value of financial instruments that are not carried at fair value
Financial Instruments Financial Assets And Liabilities Balance Sheet Groupings [Abstract]
Financial instruments financial assets and liabilities balance sheet groupings.
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Scheduled principal payments on debt in year one
Long-Term Debt, Maturity, Year One
Tangible assets acquired:
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]
Other liabilities
Other Liabilities
Not designated as hedging instrument
Not Designated as Hedging Instrument [Member]
After one year through five years
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five
Schedule of estimated fair values of assets acquired and liabilities assumed
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]
Debt Instrument [Axis]
Debt Instrument [Axis]
Payable to reinsurers
Reinsurance Payable
Net Earnings
Net earnings
Net Income (Loss) Attributable to Parent
Trading Arrangement:
Trading Arrangement [Axis]
Fair value of financial instruments
Fair Value, by Balance Sheet Grouping [Table Text Block]
Pay vs Performance Disclosure, Table
Pay vs Performance [Table Text Block]
Equity securities, fair value in excess of cost
Equity Securities, FV-NI, Fair Value in Excess of Cost
Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI) in excess of the cost of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI). Excludes equity method investment and investment in equity security without readily determinable fair value.
Equity Awards Adjustments, Excluding Value Reported in Compensation Table
Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member]
After ten years
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 10
Total costs and expenses
Benefits, Losses and Expenses
Entity File Number
Entity File Number
Realized gains (losses) securities before impairments
Marketable Security, Realized Gain (Loss)
Consolidated Entities [Domain]
Consolidated Entities [Domain]
Income Statement [Abstract]
Income Statement [Abstract]
Entity Address, Address Line One
Entity Address, Address Line One
Name
Forgone Recovery, Individual Name
Investments
Investment, Policy [Policy Text Block]
Award Timing MNPI Considered
Award Timing MNPI Considered [Flag]
Fixed maturities without single maturity date
Debt Securities, Available-for-Sale, Maturity, without Single Maturity Date, Fair Value
Premium Receivable, Allowance for Credit Loss [Roll Forward]
Premium Receivable, Allowance for Credit Loss [Roll Forward]
Provision (credit) for expected credit losses
Reinsurance Recoverable, Credit Loss Expense (Reversal)
Dividend reinvestment plan
Stock Issued During Period, Value, Dividend Reinvestment Plan
Outstanding Aggregate Erroneous Compensation Amount
Outstanding Aggregate Erroneous Compensation Amount
Purchases and issuances
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
PEO Actually Paid Compensation Amount
PEO Actually Paid Compensation Amount
Equity securities reported at fair value
Marketable Securities [Table Text Block]
Adjustment to Compensation:
Adjustment to Compensation [Axis]
Write-offs charged against the allowance
Reinsurance, Loss on Uncollectible Accounts in Period, Amount
Investment in CLO tranches
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount
After one year through five years
Available For Sale Securities Debt Maturities After One Through Five Years Fair Value Percent
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value, Percent.
Document Quarterly Report
Document Quarterly Report
Reclassification adjustment for investment income included in net earnings
Reclassification adjustment for investment income included in net earnings from discontinued operations, after tax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax
After one year through five years
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year One Through Five
Accumulated other comprehensive income (loss), net of tax
AOCI beginning balance
AOCI ending balance
Accumulated Other Comprehensive Income (Loss), Net of Tax
Purchases and issuances
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases
Average life of MBS
Mortgage Backed Securities Average Useful Life
Mortgage backed securities average useful life.
Pension Adjustments Service Cost
Pension Adjustments Service Cost [Member]
Basic (shares)
Weighted Average Number of Shares Outstanding, Basic
Stock Price or TSR Estimation Method
Stock Price or TSR Estimation Method [Text Block]
Unrealized holding gains (losses) on securities arising during the period, tax
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax
Unrealized Loss - twelve months or more
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
Managed investment entities’ assets/liabilities
Change in Managed Investment Entities Assets And Liabilities
The increase (decrease) during the reporting period in other operating assets and liabilities of managed investment entities.
Beginning Balance
Ending Balance
Equity, Including Portion Attributable to Noncontrolling Interest
Property and casualty insurance
Property, Liability and Casualty Insurance Product Line [Member]
Name
Awards Close in Time to MNPI Disclosures, Individual Name
Unrealized loss - less than twelve months
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
Entity Filer Category
Entity Filer Category
Fixed maturities with embedded derivatives
Fixed Maturity Securities with Embedded Derivatives [Member]
Fixed maturity securities with embedded derivatives.
Real estate-related investments
Equity Method Investments, Real Estate-related Investments [Member]
Equity Method Investments, Real Estate-related Investments
Other
Corporate Segment and Other Operating Segment [Member]
Debt and Equity Securities, FV-NI [Line Items]
Debt and Equity Securities, FV-NI [Line Items]
Goodwill recorded
Goodwill, Acquired During Period
Statistical Measurement [Domain]
Statistical Measurement [Domain]
Gross unrealized losses on fixed maturities
Fixed maturities, available for sale, gross unrealized, losses
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Loss, before Tax
Derivatives, Fair Value [Line Items]
Derivatives, Fair Value [Line Items]
Assets of managed investment entities
Variable Interest Entity, Assets
Variable Interest Entity, Assets
Percentage of level 3 equity investments that do not qualify for equity accounting
Percentage of Level Three Assets, Equity Investments That Do Not Qualify for Equity Accounting
Percentage of Level three assets, equity investments that do not qualify for equity accounting
Segment Reporting Information [Line Items]
Segment Reporting Information [Line Items]
Total financial liabilities not accounted for at fair value
Financial Liabilities Not Accounted For At Fair Value
Total financial liabilities not accounted for at fair value.
All Trading Arrangements
All Trading Arrangements [Member]
Compensation Actually Paid vs. Net Income
Compensation Actually Paid vs. Net Income [Text Block]
Variable interest entity, primary beneficiary
Variable Interest Entity, Primary Beneficiary [Member]
Rule 10b5-1 Arrangement Adopted
Rule 10b5-1 Arrangement Adopted [Flag]
Awards Close in Time to MNPI Disclosures
Awards Close in Time to MNPI Disclosures [Table]
Impairment allowance on securities
Investments, Allowance for Credit Loss, Period Increase (Decrease)
Increase (decrease) during the period in the allowance for credit losses on investments
Investments accounted for using the equity method
Equity Method Investments
Pay vs Performance Disclosure [Line Items]
Peer Group Total Shareholder Return Amount
Peer Group Total Shareholder Return Amount
Residential MBS
Residential MBS
Residential Mortgage-Backed Securities [Member]
Foreign currency translation and other
Liability for Unpaid Claims and Claims Adjustment Expense, Foreign Currency Translation Gain (Loss)
Collateral receivable supporting swaps
Derivative Liability, Not Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash
Receivable for collateral posted related to interest rate swap liabilities
Property and transportation
Specialty Property And Transportation Insurance [Member]
Specialty Property and transportation.
Derivatives included in the Balance Sheet at fair value
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
Realized gains (losses) on securities
Realized Gains (Losses) On Securities [Member]
Primary financial statement caption encompassing realized gains (losses) on securities.
Other Performance Measure, Amount
Other Performance Measure, Amount
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments
Realized Gains Losses And Changes In Unrealized Appreciation Depreciation Related To Fixed Maturity And Equity Security Investments [Abstract]
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments.
Private debt
Equity Method Investments, Private Debt Funds [Member]
Equity Method Investments, Private Debt Funds
Total net unrealized gains (losses) on securities, pretax
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax
Common Stock, shares outstanding (shares)
Beginning Balance (shares)
Ending Balance (shares)
Common Stock, Shares, Outstanding
Dividend reinvestment plan (shares)
Stock Issued During Period, Shares, Dividend Reinvestment Plan
Agents’ balances and premiums receivable
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Agents’ Balances and Premiums Receivable
Amount due from agents' and amount of premiums due acquired at the acquisition date
Revenues before realized gains (losses)
Revenues before Realized Gains (Losses)
Aggregate revenue (including insurance premiums, investment income and other income) recognized during the period before realized gains (losses) on securities and subsidiaries.
Cash flow hedging
Cash Flow Hedging [Member]
Gross losses
Debt Securities, Available-for-Sale, Realized Loss
Entity Tax Identification Number
Entity Tax Identification Number
Schedule of long-term debt instruments
Schedule of Long-Term Debt Instruments [Table Text Block]
Assets and liabilities measured at fair value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Other expenses
Other Cost and Expense, Operating
Reductions due to sales or redemptions
Debt Securities, Available-for-Sale, Allowance for Credit Loss, Securities Sold
Gain (loss) on change in fair value of assets/liabilities
Gain (Loss) on Change in Fair Value of Assets and Liabilities of Managed Investment Entities
Loss on change in fair value of assets and liabilities of managed investment entities.
Statement, Equity Components [Axis]
Equity Components [Axis]
Equity Components [Axis]
Fixed maturities, available for sale at fair value (amortized cost — $10,573 and $10,752; allowance for expected credit losses of $10 and $12)
Available for sale (AFS) fixed maturities
Debt Securities, Available-for-Sale
Financial assets, Beginning Balance
Financial assets, Ending Balance
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
Face amount of managed investment entities liabilities purchased at issuance date
Face Amount Of Managed Investment Entities Liabilities Purchased At Issuance Date
Face amount of managed investment entities liabilities purchased at issuance date.
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
Other lines
Other Lines [Member]
Other lines.
Net investment income
Investment Income [Member]
Investments [Domain]
Investments [Domain]
Net unrealized gains (losses) on securities:
Debt Securities, Unrealized Gain (Loss) [Abstract]
Maturities and redemptions of fixed maturities
Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-Sale
Total net unrealized gains (losses) on cash flow hedges, pretax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax
Total cash and investments
Investments and Cash
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]
Other liabilities — derivatives
Other Liabilities [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale [Line Items]
Other assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets
Prior years
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Prior Years
Variable interest rate on debt instrument
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]
Fair value as percentage of cost - less than twelve months
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less Than Twelve Months, Fair Value As Percentage Of Cost
Available for sale securities continuous unrealized loss position less than twelve months fair value as percentage of cost.
Effect of adjustment related to sale of subsidiary as a percentage of EBT
Effective Income Tax Rate Reconciliation, Tax Settlement, Domestic, Percent
Cash and cash equivalents at beginning of period
Cash and cash equivalents at end of period
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents
Level 3 assets that were priced by pricing services.
Level Three Assets That Were Priced by Pricing Services.
Level three assets that were priced by pricing services.
Equity securities, at fair value
Equity securities
Equity Securities, FV-NI, Current
Consolidation Items [Axis]
Consolidation Items [Axis]
Aggregate unpaid principal balance of variable interest entity loans in default
Aggregate unpaid principal balance of variable interest entity loans in default
Aggregate unpaid principal balance of variable interest entity loans in default
Fair Value Measurements
Fair Value of Financial Instruments, Policy [Policy Text Block]
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Difference between aggregate unpaid principal balance and fair value of CLOs' fixed maturity investments
Difference Between Aggregate Unpaid Principal Balance And Fair Value Of Variable Interest Entity Investments
Difference between aggregate unpaid principal balance and fair value of variable interest entity investments.
Insurance Product Line [Domain]
Product and Service [Domain]
Fair Value Disclosures [Abstract]
Fair Value Disclosures [Abstract]
Net decrease in the provision for claims of prior years
Prior Year Claims and Claims Adjustment Expense
Security Exchange Name
Security Exchange Name
Interest rate on revolving debt facility
Debt Instrument, Basis Spread on Variable Rate
Unrealized holding gains (losses) on securities arising during the period, pretax
OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax
Roll forward of allowance for credit losses on fixed maturity securities
Debt Securities, Available-for-Sale, Allowance for Credit Loss [Table Text Block]
Fixed maturities:
Total fixed maturities
Fixed Maturities [Member]
Effect of tax exempt interest
Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount
Available for sale securities in a continuous unrealized loss position
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Forgone Recovery, Explanation of Impracticability
Forgone Recovery, Explanation of Impracticability [Text Block]
Realized (gains) losses on investing activities
Realized Investment Gains (Losses)
Prepaid reinsurance premiums
Prepaid Reinsurance Premiums
Sales and settlements
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales
Subsegments [Axis]
Subsegments [Axis]
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Intangible Assets Disclosure [Abstract]
Other assets
Other Assets [Member]
Revolving credit line
Line of Credit Facility, Maximum Borrowing Capacity
Gross written premiums
Premiums Written, Gross
Effect of tax exempt interest as a percentage of EBT
Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent
Derivative liability
Derivative Liability
Insider Trading Policies and Procedures Adopted
Insider Trading Policies and Procedures Adopted [Flag]
Common Stock, shares authorized (shares)
Common Stock, Shares Authorized
Insurance [Abstract]
Insurance [Abstract]
Transfer into Level 3
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3
Fixed maturities fair value, subtotal
Available-for-sale Securities, Debt Maturities Excluding ABS and MBS, Fair Value
Available for sale securities debt maturities excluding ABS and MBS fair value.
Long-term Debt, Type [Axis]
Long-Term Debt, Type [Axis]
Hedging Designation [Domain]
Hedging Designation [Domain]
Reclassification adjustment for investment income included in net earnings, pretax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax
Other comprehensive loss
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
Fair value as percentage of cost - twelve months or more
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Twelve Months Or Longer, Fair Value As Percentage Of Cost
Available for sale securities continuous unrealized loss position twelve months or longer fair value as percentage of cost.
Fair Value - twelve months or more
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer
Other liabilities
Increase (Decrease) in Other Operating Liabilities
Unrealized holding gains (losses) on cash flow hedges arising during the period, tax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax
Long-term debt
Carrying Value
Long-Term Debt
Pension Adjustments Prior Service Cost
Pension Adjustments Prior Service Cost [Member]
Percentage (based on amount of unrealized loss) of available for sale fixed maturities that are in an unrealized loss position and rated investment grade
Percentage (based on unrealized loss) of available for sale fixed maturities that are in unrealized loss position and rated investment grade
Percentage based on unrealized loss of available for sale fixed maturities that are in an unrealized loss position and rated investment grade.
Scheduled principal payments on debt thereafter
Long-Term Debt, Maturity, after Year Five
Repayments of mortgage loans
Proceeds from Sale and Collection of Mortgage Notes Receivable
Acquisition of Business
Mergers, Acquisitions and Dispositions Disclosures [Text Block]
Fair Value, by Balance Sheet Grouping [Table]
Fair Value, by Balance Sheet Grouping [Table]
Earnings (losses) on derivatives
Gain (Loss) on Derivative Instruments, Net, Pretax
Schedule of Investment Income, Reported Amounts, by Category [Table]
Investment Income [Table]
Pension Benefits Adjustments, Footnote
Pension Benefits Adjustments, Footnote [Text Block]
Total Shareholder Return Vs Peer Group
Total Shareholder Return Vs Peer Group [Text Block]
Investment expenses
Investment Income, Investment Expense
Restricted stock awards (shares)
Restricted Common Stock, shares issued (shares)
Stock Issued During Period, Shares, Restricted Stock Award, Gross
Total pension and OPRP adjustments, tax
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax
Gross realized gains and losses on available for sale fixed maturity and equity security investments
Schedule of Realized Gain (Loss) [Table Text Block]
Crop Risk Services
Crop Risk Services [Member]
Crop Risk Services
Total
Parent [Member]
Net of tax
Net of tax [Member]
Net of tax
Managed by third parties
Managed by Third Parties [Member]
Managed by third parties
Amortization of intangible assets
Amortization of Intangible Assets
Common Stock, par value (USD per share)
Common Stock, No Par Value
Accounting Policies [Abstract]
Accounting Policies [Abstract]
Revenues:
Revenues [Abstract]
Current Fiscal Year End Date
Current Fiscal Year End Date
PEO Name
PEO Name
Award Type [Domain]
Award Type [Domain]
Cash and cash equivalents
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents
Compensation Actually Paid vs. Company Selected Measure
Compensation Actually Paid vs. Company Selected Measure [Text Block]
Nonvoting Preferred Stock
Nonvoting Preferred Stock [Member]
Nonvoting preferred stock.
Proceeds from sales and redemptions of investments
Proceeds from Sales and Redemptions of Investments by Managed Investment Entities
The cash inflow associated with sales, maturities, prepayments and redemptions of investments by managed investment entities.
Non-PEO NEO
Non-PEO NEO [Member]
Finite-lived intangible assets useful life
Finite-Lived Intangible Asset, Useful Life
Total tangible assets acquired
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets
Crop Insurance Contract, Crop Year [Axis]
Crop Insurance Contracts, Crop Year [Axis]
Crop Insurance Contracts, Crop Year
Fixed maturities, trading at fair value
Trading fixed maturities
Debt Securities, Trading
Hedging Relationship [Axis]
Hedging Relationship [Axis]
Class of Stock [Line Items]
Class of Stock [Line Items]
Effect of other income
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount
Class of Stock [Axis]
Class of Stock [Axis]
Provision (credit) for expected credit losses
Premium Receivable, Credit Loss Expense (Reversal)
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Accumulated amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Name
Measure Name
Entity Interactive Data Current
Entity Interactive Data Current
Sales of fixed maturities
Proceeds from Sale of Debt Securities, Available-for-Sale
Statement of Cash Flows
Statement of Cash Flows [Policy Text Block]
Describes an entity's accounting policy related to the statement of cash flows.
Transfer into Level 3
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3
Total tax effects
Tax Effects [Member]
Tax effects.
Losses and loss adjustment expenses
Policyholder Benefits and Claims Incurred, Net
Assets and liabilities measured at fair value
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Accumulated defined benefit plans adjustment attributable to parent
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Percentage (based on fair value) of available for sale fixed maturities that are in an unrealized loss position and rated investment grade
Percentage (based on fair value) of available for sale fixed maturities that are in unrealized loss position and rated investment grade
Percentage (based on fair value) of available for sale fixed maturities that are in an unrealized loss position and rated investment grade.
Interest rate on debt instruments
Debt Instrument, Interest Rate, Stated Percentage
Schedule of Investments [Line Items]
Schedule of Investments [Line Items]
Fixed maturities without single maturity date
Available For Sale Securities, Debt Maturities, Without Single Maturity Date, Fair Value Percent
The percent of fair value of fixed maturity securities without a single maturity date
Summary of gain (loss) included in the Statement of Earnings for changes in the fair value of derivatives
Derivative Instruments, Gain (Loss) [Table Text Block]
Number of collateralized loan obligation entities formed during the period
Number Of Collateralized Loan Obligation Entities Formed During The Period
Number of collateralized loan obligation entities formed during the period.
Provision for income taxes as shown on the Statement of Earnings as a percentage of EBT
Effective Income Tax Rate Reconciliation, Percent
Deferred tax asset acquired
Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets
Earnings before income taxes
Earnings before income taxes (“EBT”)
Operating Income (Loss)
Number of segments
Number of Reportable Segments
Total liabilities and shareholders’ equity
Liabilities and Equity
Rule 10b5-1 Arrangement Terminated
Rule 10b5-1 Arrangement Terminated [Flag]
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Axis]
Hedging Designation [Axis]
Hedging Designation [Axis]
Derivatives
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments
Realized Gains (Losses) and Changes in Unrealized Appreciation (Depreciation) Related to Fixed Maturity and Equity Security Investments [Table Text Block]
Tabular disclosure of realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments.
Underlying Security Market Price Change
Underlying Security Market Price Change, Percent
Individual:
Individual [Axis]
Accumulated Other Comp. Income (Loss)
AOCI attributable to parent
AOCI Attributable to Parent [Member]
Dividends [Domain]
Dividends [Domain]
Retained earnings
Retained Earnings, Unappropriated
Insurance Product Line [Axis]
Product and Service [Axis]
Statement [Line Items]
Statement [Line Items]
Total net unrealized gains (losses) on securities, tax
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax
Impairment allowance on mortgage loans and other investments
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease)
Retirements of managed investment entities’ liabilities
Retirement Of Managed Investment Entities Liabilities
Retirement of managed investment entities' liabilities.
Net tangible assets acquired, at fair value
Net tangible assets acquired, at fair value
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net
Compensation Actually Paid vs. Total Shareholder Return
Compensation Actually Paid vs. Total Shareholder Return [Text Block]
Fixed maturities amortized cost, Subtotal
Available-for-sale Securities, Debt Maturities Excluding ABS and MBS, Amortized Cost
Available for sale securities debt maturities excluding ABS and MBS amortized cost.
Financial liabilities, Beginning Balance
Financial liabilities, Ending Balance
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value
Derivatives
Derivatives, Policy [Policy Text Block]
Credit Losses on Financial Instruments
Credit Loss, Financial Instrument [Policy Text Block]
Changes in balances of Level 3 financial assets
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Minimum
Minimum [Member]
Adoption Date
Trading Arrangement Adoption Date
Other receivables
Other Receivables
After five years through ten years
Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10
Liability to return collateral related to swaps
Derivative Asset, Not Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash
Payable to return collateral related to interest rate swap assets
Foreign currency translation adjustments, tax
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax
Variable Interest Entity [Line Items]
Variable Interest Entity [Line Items]
Business Segments [Axis]
Segments [Axis]
Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year
Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member]
Statutory rate of income taxes
Income taxes at statutory rate as a percentage of EBT
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Derivative Instrument [Axis]
Derivative Instrument [Axis]
Percentage of level three assets that were priced using a discounted cash flow approach
Percentage Of Level Three Assets That Were Priced Using A Discounted Cash Flow Approach
Percentage of level three assets that were priced using a discounted cash flow approach.
Principal
Long-Term Debt, Gross
Exercise Price
Award Exercise Price
Premium Recognition
Insurance Premiums Revenue Recognition, Policy [Policy Text Block]
Arrangement Duration
Trading Arrangement Duration
Shares issued:
Shares Issued [Abstract]
Shares issued.
Crop Insurance Contracts, Crop Year [Domain]
Crop Insurance Contracts, Crop Year [Domain]
Crop Insurance Contracts, Crop Year [Domain]
Total pension and OPRP adjustments, pretax
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax
Goodwill and Other Intangibles
Goodwill and Intangible Assets Disclosure [Text Block]
Realized gains (losses) on securities
Debt and Equity Securities, Realized Gain (Loss)
Schedule of Variable Interest Entities [Table]
Variable Interest Entity [Table]
Managed investment entities:
Managed Investments Entities [Abstract]
Managed investments entities.
Shareholders’ equity:
Equity, Attributable to Parent [Abstract]
Fair value - less than twelve months
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months
Current year
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid, Current Year
Derivative Asset, Statement of Financial Position [Extensible Enumeration]
Derivative Asset, Statement of Financial Position [Extensible Enumeration]
Material Terms of Trading Arrangement
Material Terms of Trading Arrangement [Text Block]
Amount of debt repurchased
Debt Instrument, Repurchase Amount
Carrying amount of CLO loans in default
Carrying Amount Of Variable Interest Entity Loans In Default
Carrying amount of variable interest entity loans in default.
All Individuals
All Individuals [Member]
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Abstract]
Entities [Table]
Entities [Table]
Purchases
Amount Of Managed Investment Entities Liabilities Purchased During the Period
Amount of managed investment entities liabilities purchased during the period
Real estate and other investments
Other Investments
Level 3 assets that are equity securities that do not qualify for equity accounting
Level Three Assets, Equity Investments That Do Not Qualify for Equity Accounting
Level three assets, equity investments that do not qualify for equity accounting
Difference between aggregate unpaid principal balance and carrying value of CLOs' debt
Difference Between Aggregate Unpaid Principal Balance And Fair Value Of Variable Interest Entity Debt
Difference between aggregate unpaid principal balance and fair value of variable interest entity debt.
Statement of Stockholders' Equity [Abstract]
Statement of Stockholders' Equity [Abstract]
Change in unrealized
Change In Unrealized Appreciation Depreciation
Change in unrealized appreciation depreciation.
Reclassification adjustment for realized (gains) losses included in net earnings, tax
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax
Fixed maturities, available for sale, gross unrealized, gains
Debt Securities, Available-for-Sale, Accumulated Gross Unrealized Gain, before Tax
Scheduled principal payments on debt remainder of fiscal year
Long-Term Debt, Maturity, Remainder of Fiscal Year
Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract]
Acquisition expenses incurred
Business Acquisition, Transaction Costs
Assets:
Assets, Fair Value Disclosure [Abstract]
Liability Class [Axis]
Liability Class [Axis]
Total liabilities acquired
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities
Property and casualty insurance:
Property And Casualty Insurance [Abstract]
Property And Casualty Insurance
Number of fixed maturity securities in an unrealized loss position
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions
Earnings before realized gains (losses) and income taxes
Operating Income (Loss), Before Realized Gains (Losses) and Income Taxes
The net result for the period of deducting operating expenses from operating revenues (excluding realized gains (losses) on securities and subsidiaries) before income taxes.
Effect of foreign operations as a percentage of EBT
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent
Effect of ESOP dividend paid deduction
Effective Income Tax Rate Reconciliation, Deduction, Employee Stock Ownership Plan Dividend, Amount
Other assets
Increase (Decrease) in Other Operating Assets
Net unrealized gains (losses) on securities:
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax [Abstract]
Intangible assets acquired
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles
Total pension and OPRP adjustments, after Tax
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
Real Estate [Domain]
Real Estate [Domain]
Forfeitures of restricted stock (shares)
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited
Contingencies
Commitments and Contingencies Disclosure [Text Block]
Measure:
Measure [Axis]
Unearned premiums
Unearned Premiums
Fair Value by Asset Class [Domain]
Asset Class [Domain]
Investments:
Investments [Abstract]
Preferred Stock, shares authorized (shares)
Preferred Stock, Shares Authorized
Change in fair value
Change in Fair Value of Ownership of Managed Investment Entities Liabilities
Change in fair value of ownership of managed investment entities liabilities
Assets of MIE
Assets of Managed Investment Entities [Member]
Assets of managed investment entities.
Entity Emerging Growth Company
Entity Emerging Growth Company
Operating lease, right-of-use asset, Statement of Financial Position
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]
Total liabilities accounted for at fair value
Liabilities, Fair Value Disclosure
Expenses of managed investment entities
Expenses of Managed Investment Entities
Expenses of managed investment entities.
Scheduled principal payments on debt in year five
Long-Term Debt, Maturity, Year Five
Non-GAAP Measure Description
Non-GAAP Measure Description [Text Block]
Reclassification from accumulated other comprehensive income
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax
Change in Fair Value [Axis]
Change in Fair Value [Axis]
Change in fair value
Equity Component [Domain]
Equity Component [Domain]
Recoverables from reinsurers
Reinsurance Recoverable for Paid and Unpaid Claims and Claims Adjustments
Additional 402(v) Disclosure
Additional 402(v) Disclosure [Text Block]
Entity Shell Company
Entity Shell Company
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Accumulated Other Comprehensive Income, Net of Tax ("AOCI")
Comprehensive Income, Policy [Policy Text Block]
Face amount of debt repurchased
Debt Instrument, Repurchased Face Amount
Effect of dividends received deduction as a percentage of EBT
Effective Income Tax Rate Reconciliation, Deduction, Dividend, Percent
Statement [Table]
Statement [Table]
Accounting Policies
Significant Accounting Policies [Text Block]
5.125% Subordinated Debentures due December 2059
Subordinated Debentures due in December 2059 [Member]
Subordinated Debentures due in December 2059
Selected financial information related to collateralized loan obligations
Schedule of Variable Interest Entities [Table Text Block]
Consolidation Items [Domain]
Consolidation Items [Domain]
Effect of ESOP dividend paid deduction as a percentage of EBT
Effective Income Tax Rate Reconciliation, Deduction, Employee Stock Ownership Plan Dividend, Percent
Level 1
Fair Value, Inputs, Level 1 [Member]
Foreign currency translation adjustments
Foreign currency translation adjustments, after tax
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Statement of Cash Flows [Abstract]
Statement of Cash Flows [Abstract]
Senior Notes
Senior Notes [Member]
The scheduled maturities of available for sale fixed maturities
Available-for-Sale Securities, Debt Maturities [Abstract]
Scheduled principal payments on debt in year three
Long-Term Debt, Maturity, Year Three
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-Term Debt Instruments [Table]
Financial assets:
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Reclassification adjustment for realized (gains) losses included in net earnings, pretax
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Table]
After five years through ten years
Debt Securities, Available-for-Sale, Amortized Cost, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10
Total payments
Liability for Unpaid Claims and Claims Adjustment Expense, Claims Paid
Income Taxes
Income Tax Disclosure [Text Block]
Shares acquired and retired
Stock Repurchased and Retired During Period, Value
Effect of nondeductible expenses
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount
Other
Other Long-Term Investments [Member]
Maturities of short term investments
Maturity Period Of Short Term Investment Maximum
Maturity period of short term investment maximum.
Net Investment Income [Line Items]
Net Investment Income [Line Items]
Reinsurance recoverable and premiums receivable, allowance for credit loss
Reinsurance Recoverable and Premiums Receivable, Allowance for Credit Loss [Table Text Block]
Tabular disclosure of allowance for credit loss on reinsurance recoverable and premiums receivable.
Net unrealized gains (losses) on cash flow hedges:
Summary of Cash Flow Hedge Activity [Abstract]
Debt Issuance Costs
Debt, Policy [Policy Text Block]
Total realized/unrealized gains (losses) included in other comprehensive income (loss)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss)
Net cash used in financing activities
Net Cash Provided by (Used in) Financing Activities
Sales of real estate, property and equipment
Proceeds From Sales Of Real Estate Property and Equipment
The cash inflow associated with the sale of real estate, property and equipment.
Entity Registrant Name
Entity Registrant Name
Commercial MBS
Commercial MBS
Commercial Mortgage-Backed Securities [Member]
Payments to acquire subsidiaries
Payments to Acquire Businesses, Gross
Adjustment to Non-PEO NEO Compensation Footnote
Adjustment to Non-PEO NEO Compensation Footnote [Text Block]
Less reinsurance recoverables, net of allowance
Add back reinsurance recoverables, net of allowance
Reinsurance Recoverable for Unpaid Claims and Claims Adjustments
Fair Value as of Grant Date
Award Grant Date Fair Value
Effect of foreign operations
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount
Holding Gains (Losses) on Equity Securities Still Held [Table]
Holding Gains (Losses) on Equity Securities Still Held [Table]
Tabular disclosure of holding gains (losses) on equity securities still held
Level 2
Fair Value, Inputs, Level 2 [Member]
Level 3 assets as a percentage of total assets measured at fair value
Level Three Assets As Percentage Of Assets Measured At Fair Value
Level three assets as a percentage of assets measured at fair value
Structured securities
Structured Securities [Member]
Structure securities such as mortgage back securities, collateralized loan obligations and other asset-backed securities
Restatement Determination Date:
Restatement Determination Date [Axis]
Title of 12(b) Security
Title of 12(b) Security
Common Stock, no par value — 200,000,000 shares authorized — 83,897,267 and 83,635,807 shares outstanding
Common Stock, Value, Issued
Analysis of changes in the liability for losses and loss adjustment expenses, net of reinsurance
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]
Percentage of internally developed level 3 assets compared to total level 3 assets
Percentage Of Internally Developed Level Three Assets Compared to Total Level 3 Assets
Percentage Of Internally Developed Level Three Assets Compared to Total Level 3 Assets
Unpaid Losses and Loss Adjustment Expenses
Unpaid Policy Claims and Claims Adjustment Expense, Policy [Policy Text Block]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Fair Value by Liability Class [Domain]
Fair Value by Liability Class [Domain]
Financing Activities:
Net Cash Provided by (Used in) Financing Activities [Abstract]
Operating lease liability, current, Statement of Financial Position
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]
Long-term Debt, Fiscal Year Maturity [Abstract]
Long-Term Debt, Fiscal Year Maturity [Abstract]
Total basic earnings (USD per share)
Earnings Per Share, Basic
Issuances of Common Stock
Proceeds from Issuance of Common Stock
Award Timing MNPI Disclosure
Award Timing MNPI Disclosure [Text Block]
Effect of adjustment related to sale of subsidiary
Effective Income Tax Rate Reconciliation, Tax Settlement, Domestic, Amount
Gross realized gains and losses on the sale of available for sale fixed maturity and equity security investments
Debt Securities, Available-for-Sale, Realized Gain (Loss) [Abstract]
Aggregate Pension Adjustments Service Cost
Aggregate Pension Adjustments Service Cost [Member]
One year or less
Available For Sale Securities Debt Maturities Within One Year Fair Value Percent
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value, Percent.
Amount borrowed under revolving credit facility
Long-Term Line of Credit
U.S. government and government agencies
U.S. government agency
US Treasury and Government [Member]
Total revenues
Revenues
Benefit Plans
Postretirement and Postemployment Benefit Plans [Policy Text Block]
Disclosure of the accounting policy for postretirement and postemployment benefit plans sponsored by the entity.
Entity Address, City or Town
Entity Address, City or Town
Leases
Lessee, Leases [Policy Text Block]
Percentage of level 3 assets that were priced by pricing services
Percentage Of Level Three Assets That Were Priced By Pricing Services
Percentage Of Level Three Assets That Were Priced By Pricing Services
Fair Value Percent, Fiscal Year Maturity [Abstract]
Available For Sale Securities, Debt Maturities, Fair Value Percent, Fiscal Year Maturity [Abstract]
Available For Sale Securities, Debt Maturities, Fair Value Percent, Fiscal Year Maturity [Abstract]
Compensation expense related to stock incentive plans
Share-Based Payment Arrangement, Expense
Dividends [Axis]
Dividends [Axis]
Investments, Debt and Equity Securities [Abstract]
Investments, Debt and Equity Securities [Abstract]
Business Acquisition [Axis]
Business Acquisition [Axis]
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]
Liabilities:
Liabilities, Fair Value Disclosure [Abstract]
Total net unrealized gains (losses) on cash flow hedges
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax
Document Fiscal Year Focus
Document Fiscal Year Focus
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Total assets accounted for at fair value
Assets, Fair Value Disclosure
4.50% Senior Notes due June 2047
Senior Notes Due In June 2047 [Member]
Senior Notes due in June 2047.
Percentage of investment of most subordinate debt tranche, Maximum
Percentage of Investment of Most Subordinate Debt Tranche of Variable Interest Entity Maximum
Maximum percentage of investment of most subordinate debt tranche of variable interest entity.
Document Period End Date
Document Period End Date
Voting Preferred Stock
Voting Preferred Stock [Member]
Voting preferred stock.
Subordinated debt obligations
Subordinated Debt Obligations [Member]
Asset Class [Axis]
Asset Class [Axis]
Insider Trading Arrangements [Line Items]
CLO earnings attributable to AFG
Earnings Losses Of Variable Interest Entities Attributable To Shareholders
Earnings (losses) of variable interest entities attributable to AFG shareholders.
Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Debt Securities, Available-for-Sale, Amortized Cost, Fiscal Year Maturity [Abstract]
Issuances of managed investment entities’ liabilities
Proceeds From Issuance Of Managed Investment Entities
Proceeds from issuance of managed investment entities
Document Transition Report
Document Transition Report
Provision for losses and LAE occurring in the current period
Current Year Claims and Claims Adjustment Expense
Other investments
Payments to Acquire Other Investments
Effect of dividends received deduction
Effective Income Tax Rate Reconciliation, Deduction, Dividends, Amount
Fair Value, Recurring and Nonrecurring [Table]
Fair Value, Recurring and Nonrecurring [Table]
Entity Current Reporting Status
Entity Current Reporting Status
Retained Earnings
Retained Earnings [Member]
Investment income
Gross Investment Income, Operating
Real Estate, Type of Property [Axis]
Real Estate, Type of Property [Axis]
Change in fair value of fixed maturity securities
Debt Securities, Trading and Convertible, Gain (Loss)
The change in fair value of debt securities classified as trading or derivatives embedded in convertible fixed maturities.
Foreign currency translation adjustments, pretax
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Executive Category:
Executive Category [Axis]
Income Statement Location [Domain]
Statement of Income Location, Balance [Domain]
AFG's internal investment professionals
Number Of Internal Investment Professionals
Number of internal investment professionals.
Fixed maturities
Payments to Acquire Debt Securities, Available-for-Sale
Company Selected Measure Name
Company Selected Measure Name
Secured Overnight Financing Rate (SOFR) [Member]