3.6.0.2 html 1297 493 1 true 169 0 false 10 false false R1.htm 0001000 - Document - Document And Entity Information Sheet http://www.awac.com/role/DocumentAndEntityInformation Document And Entity Information Cover 1 false false R2.htm 1001000 - Statement - Consolidated Balance Sheets Sheet http://www.awac.com/role/ConsolidatedBalanceSheets Consolidated Balance Sheets Statements 2 false false R3.htm 1001501 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.awac.com/role/ConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 1002000 - Statement - Consolidated Statements Of Operations And Comprehensive Income Sheet http://www.awac.com/role/ConsolidatedStatementsOfOperationsAndComprehensiveIncome Consolidated Statements Of Operations And Comprehensive Income Statements 4 false false R5.htm 1003000 - Statement - Consolidated Statements Of Shareholders' Equity Sheet http://www.awac.com/role/ConsolidatedStatementsOfShareholdersEquity Consolidated Statements Of Shareholders' Equity Statements 5 false false R6.htm 1004000 - Statement - Consolidated Statements Of Cash Flows Sheet http://www.awac.com/role/ConsolidatedStatementsOfCashFlows Consolidated Statements Of Cash Flows Statements 6 false false R7.htm 2101100 - Disclosure - General Sheet http://www.awac.com/role/General General Notes 7 false false R8.htm 2102100 - Disclosure - Significant Accounting Policies Sheet http://www.awac.com/role/SignificantAccountingPolicies Significant Accounting Policies Notes 8 false false R9.htm 2103100 - Disclosure - Acquisitions Sheet http://www.awac.com/role/Acquisitions Acquisitions Notes 9 false false R10.htm 2104100 - Disclosure - Investments Sheet http://www.awac.com/role/Investments Investments Notes 10 false false R11.htm 2105100 - Disclosure - Derivative Instruments Sheet http://www.awac.com/role/DerivativeInstruments Derivative Instruments Notes 11 false false R12.htm 2106100 - Disclosure - Fair Value Of Financial Instruments Sheet http://www.awac.com/role/FairValueOfFinancialInstruments Fair Value Of Financial Instruments Notes 12 false false R13.htm 2107100 - Disclosure - Reserve For Losses And Loss Expenses Sheet http://www.awac.com/role/ReserveForLossesAndLossExpenses Reserve For Losses And Loss Expenses Notes 13 false false R14.htm 2108100 - Disclosure - Ceded Reinsurance Sheet http://www.awac.com/role/CededReinsurance Ceded Reinsurance Notes 14 false false R15.htm 2109100 - Disclosure - Funds Held Sheet http://www.awac.com/role/FundsHeld Funds Held Notes 15 false false R16.htm 2110100 - Disclosure - Goodwill and Intangible Assets Sheet http://www.awac.com/role/GoodwillAndIntangibleAssets Goodwill and Intangible Assets Notes 16 false false R17.htm 2111100 - Disclosure - Debt and Financing Arrangements Sheet http://www.awac.com/role/DebtAndFinancingArrangements Debt and Financing Arrangements Notes 17 false false R18.htm 2112100 - Disclosure - Income Taxes Sheet http://www.awac.com/role/IncomeTaxes Income Taxes Notes 18 false false R19.htm 2113100 - Disclosure - Shareholders' Equity Sheet http://www.awac.com/role/ShareholdersEquity Shareholders' Equity Notes 19 false false R20.htm 2114100 - Disclosure - Employee Benefit Plans Sheet http://www.awac.com/role/EmployeeBenefitPlans Employee Benefit Plans Notes 20 false false R21.htm 2115100 - Disclosure - Earnings Per Share Sheet http://www.awac.com/role/EarningsPerShare Earnings Per Share Notes 21 false false R22.htm 2116100 - Disclosure - Commitments And Contingencies Sheet http://www.awac.com/role/CommitmentsAndContingencies Commitments And Contingencies Notes 22 false false R23.htm 2117100 - Disclosure - Statutory Capital and Surplus Sheet http://www.awac.com/role/StatutoryCapitalAndSurplus Statutory Capital and Surplus Notes 23 false false R24.htm 2119100 - Disclosure - Segment Information Sheet http://www.awac.com/role/SegmentInformation Segment Information Notes 24 false false R25.htm 2120100 - Disclosure - Condensed Consolidated Guarantor Financial Statements Sheet http://www.awac.com/role/CondensedConsolidatedGuarantorFinancialStatements Condensed Consolidated Guarantor Financial Statements Notes 25 false false R26.htm 2121100 - Disclosure - Unaudited Quarterly Financial Data Sheet http://www.awac.com/role/UnauditedQuarterlyFinancialData Unaudited Quarterly Financial Data Notes 26 false false R27.htm 2123100 - Disclosure - Schedule III - Supplementary Insurance Information Sheet http://www.awac.com/role/ScheduleIiiSupplementaryInsuranceInformation Schedule III - Supplementary Insurance Information Notes 27 false false R28.htm 2124100 - Disclosure - Schedule IV - Supplementary Reinsurance Information Sheet http://www.awac.com/role/ScheduleIvSupplementaryReinsuranceInformation Schedule IV - Supplementary Reinsurance Information Notes 28 false false R29.htm 2202201 - Disclosure - Significant Accounting Policies (Policies) Sheet http://www.awac.com/role/SignificantAccountingPoliciesPolicies Significant Accounting Policies (Policies) Policies http://www.awac.com/role/SignificantAccountingPolicies 29 false false R30.htm 2303301 - Disclosure - Acquisitions (Tables) Sheet http://www.awac.com/role/AcquisitionsTables Acquisitions (Tables) Tables http://www.awac.com/role/Acquisitions 30 false false R31.htm 2304301 - Disclosure - Investments (Tables) Sheet http://www.awac.com/role/InvestmentsTables Investments (Tables) Tables http://www.awac.com/role/Investments 31 false false R32.htm 2305301 - Disclosure - Derivative Instruments (Tables) Sheet http://www.awac.com/role/DerivativeInstrumentsTables Derivative Instruments (Tables) Tables http://www.awac.com/role/DerivativeInstruments 32 false false R33.htm 2306301 - Disclosure - Fair Value Of Financial Instruments (Tables) Sheet http://www.awac.com/role/FairValueOfFinancialInstrumentsTables Fair Value Of Financial Instruments (Tables) Tables http://www.awac.com/role/FairValueOfFinancialInstruments 33 false false R34.htm 2307301 - Disclosure - Reserve For Losses And Loss Expenses (Tables) Sheet http://www.awac.com/role/ReserveForLossesAndLossExpensesTables Reserve For Losses And Loss Expenses (Tables) Tables http://www.awac.com/role/ReserveForLossesAndLossExpenses 34 false false R35.htm 2308301 - Disclosure - Ceded Reinsurance (Tables) Sheet http://www.awac.com/role/CededReinsuranceTables Ceded Reinsurance (Tables) Tables http://www.awac.com/role/CededReinsurance 35 false false R36.htm 2310301 - Disclosure - Goodwill and Intangible Assets (Tables) Sheet http://www.awac.com/role/GoodwillAndIntangibleAssetsTables Goodwill and Intangible Assets (Tables) Tables http://www.awac.com/role/GoodwillAndIntangibleAssets 36 false false R37.htm 2311301 - Disclosure - Debt and Financing Arrangements (Tables) Sheet http://www.awac.com/role/DebtAndFinancingArrangementsTables Debt and Financing Arrangements (Tables) Tables http://www.awac.com/role/DebtAndFinancingArrangements 37 false false R38.htm 2312301 - Disclosure - Income Taxes (Tables) Sheet http://www.awac.com/role/IncomeTaxesTables Income Taxes (Tables) Tables http://www.awac.com/role/IncomeTaxes 38 false false R39.htm 2313301 - Disclosure - Shareholders' Equity (Tables) Sheet http://www.awac.com/role/ShareholdersEquityTables Shareholders' Equity (Tables) Tables http://www.awac.com/role/ShareholdersEquity 39 false false R40.htm 2314301 - Disclosure - Employee Benefit Plans (Tables) Sheet http://www.awac.com/role/EmployeeBenefitPlansTables Employee Benefit Plans (Tables) Tables http://www.awac.com/role/EmployeeBenefitPlans 40 false false R41.htm 2315301 - Disclosure - Earnings Per Share (Tables) Sheet http://www.awac.com/role/EarningsPerShareTables Earnings Per Share (Tables) Tables http://www.awac.com/role/EarningsPerShare 41 false false R42.htm 2316301 - Disclosure - Commitments And Contingencies (Tables) Sheet http://www.awac.com/role/CommitmentsAndContingenciesTables Commitments And Contingencies (Tables) Tables http://www.awac.com/role/CommitmentsAndContingencies 42 false false R43.htm 2317301 - Disclosure - Statutory Capital and Surplus (Tables) Sheet http://www.awac.com/role/StatutoryCapitalAndSurplusTables Statutory Capital and Surplus (Tables) Tables http://www.awac.com/role/StatutoryCapitalAndSurplus 43 false false R44.htm 2319301 - Disclosure - Segment Information (Tables) Sheet http://www.awac.com/role/SegmentInformationTables Segment Information (Tables) Tables http://www.awac.com/role/SegmentInformation 44 false false R45.htm 2320301 - Disclosure - Condensed Consolidated Guarantor Financial Statements (Tables) Sheet http://www.awac.com/role/CondensedConsolidatedGuarantorFinancialStatementsTables Condensed Consolidated Guarantor Financial Statements (Tables) Tables http://www.awac.com/role/CondensedConsolidatedGuarantorFinancialStatements 45 false false R46.htm 2321301 - Disclosure - Unaudited Quarterly Financial Data (Tables) Sheet http://www.awac.com/role/UnauditedQuarterlyFinancialDataTables Unaudited Quarterly Financial Data (Tables) Tables http://www.awac.com/role/UnauditedQuarterlyFinancialData 46 false false R47.htm 2401401 - Disclosure - General General (Details) Sheet http://www.awac.com/role/GeneralGeneralDetails General General (Details) Details 47 false false R48.htm 2402402 - Disclosure - Significant Accounting Policies (Details) Sheet http://www.awac.com/role/SignificantAccountingPoliciesDetails Significant Accounting Policies (Details) Details http://www.awac.com/role/SignificantAccountingPoliciesPolicies 48 false false R49.htm 2403402 - Disclosure - Acquisitions (Consideration Transferred and Recognized Amounts of Identifiable Assets and Liabilities) (Details) Sheet http://www.awac.com/role/AcquisitionsConsiderationTransferredAndRecognizedAmountsOfIdentifiableAssetsAndLiabilitiesDetails Acquisitions (Consideration Transferred and Recognized Amounts of Identifiable Assets and Liabilities) (Details) Details http://www.awac.com/role/AcquisitionsTables 49 false false R50.htm 2403403 - Disclosure - Acquisitions (Summary of Intangible Assets Acquired) (Details) Sheet http://www.awac.com/role/AcquisitionsSummaryOfIntangibleAssetsAcquiredDetails Acquisitions (Summary of Intangible Assets Acquired) (Details) Details http://www.awac.com/role/AcquisitionsTables 50 false false R51.htm 2403404 - Disclosure - Acquisitions (Results Since Acquisition and Pro Forma Information) (Details) Sheet http://www.awac.com/role/AcquisitionsResultsSinceAcquisitionAndProFormaInformationDetails Acquisitions (Results Since Acquisition and Pro Forma Information) (Details) Details http://www.awac.com/role/AcquisitionsTables 51 false false R52.htm 2403405 - Disclosure - Acquisitions (Other Details) (Details) Sheet http://www.awac.com/role/AcquisitionsOtherDetailsDetails Acquisitions (Other Details) (Details) Details http://www.awac.com/role/AcquisitionsTables 52 false false R53.htm 2404402 - Disclosure - Investments (Narrative) (Details) Sheet http://www.awac.com/role/InvestmentsNarrativeDetails Investments (Narrative) (Details) Details http://www.awac.com/role/InvestmentsTables 53 false false R54.htm 2404403 - Disclosure - Investments (Schedule Of Trading Securities) (Details) Sheet http://www.awac.com/role/InvestmentsScheduleOfTradingSecuritiesDetails Investments (Schedule Of Trading Securities) (Details) Details http://www.awac.com/role/InvestmentsTables 54 false false R55.htm 2404404 - Disclosure - Investments (Schedule Of Other Investments) (Details) Sheet http://www.awac.com/role/InvestmentsScheduleOfOtherInvestmentsDetails Investments (Schedule Of Other Investments) (Details) Details http://www.awac.com/role/InvestmentsTables 55 false false R56.htm 2404405 - Disclosure - Investments (Schedule Of Net Investment Income) (Details) Sheet http://www.awac.com/role/InvestmentsScheduleOfNetInvestmentIncomeDetails Investments (Schedule Of Net Investment Income) (Details) Details http://www.awac.com/role/InvestmentsTables 56 false false R57.htm 2404406 - Disclosure - Investments (Components Of Realized Gains And Losses) (Details) Sheet http://www.awac.com/role/InvestmentsComponentsOfRealizedGainsAndLossesDetails Investments (Components Of Realized Gains And Losses) (Details) Details http://www.awac.com/role/InvestmentsTables 57 false false R58.htm 2404407 - Disclosure - Investments (Pledged Assets) (Details) Sheet http://www.awac.com/role/InvestmentsPledgedAssetsDetails Investments (Pledged Assets) (Details) Details http://www.awac.com/role/InvestmentsTables 58 false false R59.htm 2405402 - Disclosure - Derivative Instruments (Location and Amounts of Derivative Fair Values On The Condensed Consolidated Balance Sheets) (Details) Sheet http://www.awac.com/role/DerivativeInstrumentsLocationAndAmountsOfDerivativeFairValuesOnCondensedConsolidatedBalanceSheetsDetails Derivative Instruments (Location and Amounts of Derivative Fair Values On The Condensed Consolidated Balance Sheets) (Details) Details http://www.awac.com/role/DerivativeInstrumentsTables 59 false false R60.htm 2405403 - Disclosure - Derivative Instruments (Location and Amounts of Unrealized And Realized Gains (Losses) On Derivatives Recorded In The Condensed Consolidated Income Statements) (Details) Sheet http://www.awac.com/role/DerivativeInstrumentsLocationAndAmountsOfUnrealizedAndRealizedGainsLossesOnDerivativesRecordedInCondensedConsolidatedIncomeStatementsDetails Derivative Instruments (Location and Amounts of Unrealized And Realized Gains (Losses) On Derivatives Recorded In The Condensed Consolidated Income Statements) (Details) Details http://www.awac.com/role/DerivativeInstrumentsTables 60 false false R61.htm 2406402 - Disclosure - Fair Value Of Financial Instruments (Schedule Of Fair Value Of Financial Instruments) (Details) Sheet http://www.awac.com/role/FairValueOfFinancialInstrumentsScheduleOfFairValueOfFinancialInstrumentsDetails Fair Value Of Financial Instruments (Schedule Of Fair Value Of Financial Instruments) (Details) Details http://www.awac.com/role/FairValueOfFinancialInstrumentsTables 61 false false R62.htm 2406403 - Disclosure - Fair Value Of Financial Instruments (Schedule Of Fair Value Measurement Using Significant Unobservable Inputs Level Three) (Details) Sheet http://www.awac.com/role/FairValueOfFinancialInstrumentsScheduleOfFairValueMeasurementUsingSignificantUnobservableInputsLevelThreeDetails Fair Value Of Financial Instruments (Schedule Of Fair Value Measurement Using Significant Unobservable Inputs Level Three) (Details) Details http://www.awac.com/role/FairValueOfFinancialInstrumentsTables 62 false false R63.htm 2407402 - Disclosure - Reserve For Losses And Loss Expenses (Schedule Of Reserve For Losses And Loss Expenses) (Details) Sheet http://www.awac.com/role/ReserveForLossesAndLossExpensesScheduleOfReserveForLossesAndLossExpensesDetails Reserve For Losses And Loss Expenses (Schedule Of Reserve For Losses And Loss Expenses) (Details) Details http://www.awac.com/role/ReserveForLossesAndLossExpensesTables 63 false false R64.htm 2407403 - Disclosure - Reserve For Losses And Loss Expenses (Schedule Of Reconciliation Of Unpaid Losses And Loss Expenses) (Details) Sheet http://www.awac.com/role/ReserveForLossesAndLossExpensesScheduleOfReconciliationOfUnpaidLossesAndLossExpensesDetails Reserve For Losses And Loss Expenses (Schedule Of Reconciliation Of Unpaid Losses And Loss Expenses) (Details) Details http://www.awac.com/role/ReserveForLossesAndLossExpensesTables 64 false false R65.htm 2407404 - Disclosure - Reserve For Losses And Loss Expenses (Claims Development - North American Insurance) (Details) Sheet http://www.awac.com/role/ReserveForLossesAndLossExpensesClaimsDevelopmentNorthAmericanInsuranceDetails Reserve For Losses And Loss Expenses (Claims Development - North American Insurance) (Details) Details http://www.awac.com/role/ReserveForLossesAndLossExpensesTables 65 false false R66.htm 2407405 - Disclosure - Reserve For Losses And Loss Expenses (Claims Development - Global Markets Insurance) (Details) Sheet http://www.awac.com/role/ReserveForLossesAndLossExpensesClaimsDevelopmentGlobalMarketsInsuranceDetails Reserve For Losses And Loss Expenses (Claims Development - Global Markets Insurance) (Details) Details http://www.awac.com/role/ReserveForLossesAndLossExpensesTables 66 false false R67.htm 2407406 - Disclosure - Reserve For Losses And Loss Expenses (Claims Development - Reinsurance) (Details) Sheet http://www.awac.com/role/ReserveForLossesAndLossExpensesClaimsDevelopmentReinsuranceDetails Reserve For Losses And Loss Expenses (Claims Development - Reinsurance) (Details) Details http://www.awac.com/role/ReserveForLossesAndLossExpensesTables 67 false false R68.htm 2407407 - Disclosure - Reserve For Losses And Loss Expenses (Summary of Claims Development and Reinsurance Recoverable) (Details) Sheet http://www.awac.com/role/ReserveForLossesAndLossExpensesSummaryOfClaimsDevelopmentAndReinsuranceRecoverableDetails Reserve For Losses And Loss Expenses (Summary of Claims Development and Reinsurance Recoverable) (Details) Details http://www.awac.com/role/ReserveForLossesAndLossExpensesTables 68 false false R69.htm 2407408 - Disclosure - Reserve For Losses And Loss Expenses (Historical Claims Duration) (Details) Sheet http://www.awac.com/role/ReserveForLossesAndLossExpensesHistoricalClaimsDurationDetails Reserve For Losses And Loss Expenses (Historical Claims Duration) (Details) Details http://www.awac.com/role/ReserveForLossesAndLossExpensesTables 69 false false R70.htm 2407409 - Disclosure - Reserve For Losses And Loss Expenses (Narrative) (Details) Sheet http://www.awac.com/role/ReserveForLossesAndLossExpensesNarrativeDetails Reserve For Losses And Loss Expenses (Narrative) (Details) Details http://www.awac.com/role/ReserveForLossesAndLossExpensesTables 70 false false R71.htm 2408402 - Disclosure - Ceded Reinsurance (Narrative) (Details) Sheet http://www.awac.com/role/CededReinsuranceNarrativeDetails Ceded Reinsurance (Narrative) (Details) Details http://www.awac.com/role/CededReinsuranceTables 71 false false R72.htm 2408403 - Disclosure - Ceded Reinsurance (Components of Reinsurance) (Details) Sheet http://www.awac.com/role/CededReinsuranceComponentsOfReinsuranceDetails Ceded Reinsurance (Components of Reinsurance) (Details) Details http://www.awac.com/role/CededReinsuranceTables 72 false false R73.htm 2408404 - Disclosure - Ceded Reinsurance (Effects of Reinsurance) (Details) Sheet http://www.awac.com/role/CededReinsuranceEffectsOfReinsuranceDetails Ceded Reinsurance (Effects of Reinsurance) (Details) Details http://www.awac.com/role/CededReinsuranceTables 73 false false R74.htm 2408405 - Disclosure - Ceded Reinsurance (Credit Risk by Reinsurer) (Details) Sheet http://www.awac.com/role/CededReinsuranceCreditRiskByReinsurerDetails Ceded Reinsurance (Credit Risk by Reinsurer) (Details) Details http://www.awac.com/role/CededReinsuranceTables 74 false false R75.htm 2409401 - Disclosure - Funds Held (Details) Sheet http://www.awac.com/role/FundsHeldDetails Funds Held (Details) Details http://www.awac.com/role/FundsHeld 75 false false R76.htm 2410402 - Disclosure - Goodwill and Intangible Assets (Details) Sheet http://www.awac.com/role/GoodwillAndIntangibleAssetsDetails Goodwill and Intangible Assets (Details) Details http://www.awac.com/role/GoodwillAndIntangibleAssetsTables 76 false false R77.htm 2410403 - Disclosure - Goodwill and Intangible Assets (Future amortization expense) (Details) Sheet http://www.awac.com/role/GoodwillAndIntangibleAssetsFutureAmortizationExpenseDetails Goodwill and Intangible Assets (Future amortization expense) (Details) Details http://www.awac.com/role/GoodwillAndIntangibleAssetsTables 77 false false R78.htm 2411402 - Disclosure - Debt and Financing Arrangements (Financing Structure) (Details) Sheet http://www.awac.com/role/DebtAndFinancingArrangementsFinancingStructureDetails Debt and Financing Arrangements (Financing Structure) (Details) Details http://www.awac.com/role/DebtAndFinancingArrangementsTables 78 false false R79.htm 2411403 - Disclosure - Debt and Financing Arrangements (Debt Maturities) (Details) Sheet http://www.awac.com/role/DebtAndFinancingArrangementsDebtMaturitiesDetails Debt and Financing Arrangements (Debt Maturities) (Details) Details http://www.awac.com/role/DebtAndFinancingArrangementsTables 79 false false R80.htm 2411404 - Disclosure - Debt and Financing Arrangements (Narrative) (Details) Sheet http://www.awac.com/role/DebtAndFinancingArrangementsNarrativeDetails Debt and Financing Arrangements (Narrative) (Details) Details http://www.awac.com/role/DebtAndFinancingArrangementsTables 80 false false R81.htm 2412402 - Disclosure - Income Taxes (Components of Income Taxes) (Details) Sheet http://www.awac.com/role/IncomeTaxesComponentsOfIncomeTaxesDetails Income Taxes (Components of Income Taxes) (Details) Details http://www.awac.com/role/IncomeTaxesTables 81 false false R82.htm 2412403 - Disclosure - Income Taxes (Sources of Income) (Details) Sheet http://www.awac.com/role/IncomeTaxesSourcesOfIncomeDetails Income Taxes (Sources of Income) (Details) Details http://www.awac.com/role/IncomeTaxesTables 82 false false R83.htm 2412404 - Disclosure - Income Taxes (Deferred Tax Components) (Details) Sheet http://www.awac.com/role/IncomeTaxesDeferredTaxComponentsDetails Income Taxes (Deferred Tax Components) (Details) Details http://www.awac.com/role/IncomeTaxesTables 83 false false R84.htm 2412405 - Disclosure - Income Taxes (Current Taxes) (Details) Sheet http://www.awac.com/role/IncomeTaxesCurrentTaxesDetails Income Taxes (Current Taxes) (Details) Details http://www.awac.com/role/IncomeTaxesTables 84 false false R85.htm 2412406 - Disclosure - Income Taxes (Reconciliation of Effective Tax Rate) (Details) Sheet http://www.awac.com/role/IncomeTaxesReconciliationOfEffectiveTaxRateDetails Income Taxes (Reconciliation of Effective Tax Rate) (Details) Details http://www.awac.com/role/IncomeTaxesTables 85 false false R86.htm 2412407 - Disclosure - Income Taxes (Narrative) (Details) Sheet http://www.awac.com/role/IncomeTaxesNarrativeDetails Income Taxes (Narrative) (Details) Details http://www.awac.com/role/IncomeTaxesTables 86 false false R87.htm 2413402 - Disclosure - Shareholders' Equity (Narrative) (Details) Sheet http://www.awac.com/role/ShareholdersEquityNarrativeDetails Shareholders' Equity (Narrative) (Details) Details http://www.awac.com/role/ShareholdersEquityTables 87 false false R88.htm 2413403 - Disclosure - Shareholders' Equity (Issued Share Capital) (Details) Sheet http://www.awac.com/role/ShareholdersEquityIssuedShareCapitalDetails Shareholders' Equity (Issued Share Capital) (Details) Details http://www.awac.com/role/ShareholdersEquityTables 88 false false R89.htm 2413404 - Disclosure - Shareholders' Equity (Schedule Of Common Stock Outstanding Roll Forward) (Details) Sheet http://www.awac.com/role/ShareholdersEquityScheduleOfCommonStockOutstandingRollForwardDetails Shareholders' Equity (Schedule Of Common Stock Outstanding Roll Forward) (Details) Details http://www.awac.com/role/ShareholdersEquityTables 89 false false R90.htm 2413405 - Disclosure - Shareholders' Equity (Schedule Of Dividends Paid) (Details) Sheet http://www.awac.com/role/ShareholdersEquityScheduleOfDividendsPaidDetails Shareholders' Equity (Schedule Of Dividends Paid) (Details) Details http://www.awac.com/role/ShareholdersEquityTables 90 false false R91.htm 2413406 - Disclosure - Shareholders' Equity (Schedule Of Share Repurchases) (Details) Sheet http://www.awac.com/role/ShareholdersEquityScheduleOfShareRepurchasesDetails Shareholders' Equity (Schedule Of Share Repurchases) (Details) Details http://www.awac.com/role/ShareholdersEquityTables 91 false false R92.htm 2414402 - Disclosure - Employee Benefit Plans (Options) (Details) Sheet http://www.awac.com/role/EmployeeBenefitPlansOptionsDetails Employee Benefit Plans (Options) (Details) Details http://www.awac.com/role/EmployeeBenefitPlansTables 92 false false R93.htm 2414403 - Disclosure - Employee Benefit Plans (Restricted Stock Units) (Details) Sheet http://www.awac.com/role/EmployeeBenefitPlansRestrictedStockUnitsDetails Employee Benefit Plans (Restricted Stock Units) (Details) Details http://www.awac.com/role/EmployeeBenefitPlansTables 93 false false R94.htm 2414404 - Disclosure - Employee Benefit Plans (Cash-Equivalent Stock Awards) (Details) Sheet http://www.awac.com/role/EmployeeBenefitPlansCashEquivalentStockAwardsDetails Employee Benefit Plans (Cash-Equivalent Stock Awards) (Details) Details http://www.awac.com/role/EmployeeBenefitPlansTables 94 false false R95.htm 2414405 - Disclosure - Employee Benefit Plans (Other Details) (Details) Sheet http://www.awac.com/role/EmployeeBenefitPlansOtherDetailsDetails Employee Benefit Plans (Other Details) (Details) Details http://www.awac.com/role/EmployeeBenefitPlansTables 95 false false R96.htm 2415402 - Disclosure - Earnings Per Share (Narrative) (Details) Sheet http://www.awac.com/role/EarningsPerShareNarrativeDetails Earnings Per Share (Narrative) (Details) Details http://www.awac.com/role/EarningsPerShareTables 96 false false R97.htm 2415403 - Disclosure - Earnings Per Share (Comparison Of Basic And Diluted Earnings Per Share) (Details) Sheet http://www.awac.com/role/EarningsPerShareComparisonOfBasicAndDilutedEarningsPerShareDetails Earnings Per Share (Comparison Of Basic And Diluted Earnings Per Share) (Details) Details http://www.awac.com/role/EarningsPerShareTables 97 false false R98.htm 2416402 - Disclosure - Commitments And Contingencies (Operating Leases) (Details) Sheet http://www.awac.com/role/CommitmentsAndContingenciesOperatingLeasesDetails Commitments And Contingencies (Operating Leases) (Details) Details http://www.awac.com/role/CommitmentsAndContingenciesTables 98 false false R99.htm 2416403 - Disclosure - Commitments And Contingencies (Credit Concentration Disclosure) (Details) Sheet http://www.awac.com/role/CommitmentsAndContingenciesCreditConcentrationDisclosureDetails Commitments And Contingencies (Credit Concentration Disclosure) (Details) Details http://www.awac.com/role/CommitmentsAndContingenciesTables 99 false false R100.htm 2417402 - Disclosure - Statutory Capital and Surplus (Details) Sheet http://www.awac.com/role/StatutoryCapitalAndSurplusDetails Statutory Capital and Surplus (Details) Details http://www.awac.com/role/StatutoryCapitalAndSurplusTables 100 false false R101.htm 2419402 - Disclosure - Segment Information (Summary Of Segment Results) (Details) Sheet http://www.awac.com/role/SegmentInformationSummaryOfSegmentResultsDetails Segment Information (Summary Of Segment Results) (Details) Details http://www.awac.com/role/SegmentInformationTables 101 false false R102.htm 2419403 - Disclosure - Segment Information (Gross Premiums Written By Geographic Location) (Details) Sheet http://www.awac.com/role/SegmentInformationGrossPremiumsWrittenByGeographicLocationDetails Segment Information (Gross Premiums Written By Geographic Location) (Details) Details http://www.awac.com/role/SegmentInformationTables 102 false false R103.htm 2419404 - Disclosure - Segment Information (Net Premiums Earned by Line of Business) (Details) Sheet http://www.awac.com/role/SegmentInformationNetPremiumsEarnedByLineOfBusinessDetails Segment Information (Net Premiums Earned by Line of Business) (Details) Details http://www.awac.com/role/SegmentInformationTables 103 false false R104.htm 2420402 - Disclosure - Condensed Consolidated Guarantor Financial Statements (Schedule Of Condensed Consolidating Balance Sheet) (Details) Sheet http://www.awac.com/role/CondensedConsolidatedGuarantorFinancialStatementsScheduleOfCondensedConsolidatingBalanceSheetDetails Condensed Consolidated Guarantor Financial Statements (Schedule Of Condensed Consolidating Balance Sheet) (Details) Details http://www.awac.com/role/CondensedConsolidatedGuarantorFinancialStatementsTables 104 false false R105.htm 2420403 - Disclosure - Condensed Consolidated Guarantor Financial Statements (Schedule Of Condensed Consolidating Income Statement) (Details) Sheet http://www.awac.com/role/CondensedConsolidatedGuarantorFinancialStatementsScheduleOfCondensedConsolidatingIncomeStatementDetails Condensed Consolidated Guarantor Financial Statements (Schedule Of Condensed Consolidating Income Statement) (Details) Details http://www.awac.com/role/CondensedConsolidatedGuarantorFinancialStatementsTables 105 false false R106.htm 2420404 - Disclosure - Condensed Consolidated Guarantor Financial Statements (Schedule Of Condensed Consolidating Cash Flows) (Details) Sheet http://www.awac.com/role/CondensedConsolidatedGuarantorFinancialStatementsScheduleOfCondensedConsolidatingCashFlowsDetails Condensed Consolidated Guarantor Financial Statements (Schedule Of Condensed Consolidating Cash Flows) (Details) Details http://www.awac.com/role/CondensedConsolidatedGuarantorFinancialStatementsTables 106 false false R107.htm 2420405 - Disclosure - Condensed Consolidated Guarantor Financial Statements (Notes to Consolidated Guarantor Financial Statements) (Details) Notes http://www.awac.com/role/CondensedConsolidatedGuarantorFinancialStatementsNotesToConsolidatedGuarantorFinancialStatementsDetails Condensed Consolidated Guarantor Financial Statements (Notes to Consolidated Guarantor Financial Statements) (Details) Details http://www.awac.com/role/CondensedConsolidatedGuarantorFinancialStatementsTables 107 false false R108.htm 2421402 - Disclosure - Unaudited Quarterly Financial Data (Details) Sheet http://www.awac.com/role/UnauditedQuarterlyFinancialDataDetails Unaudited Quarterly Financial Data (Details) Details http://www.awac.com/role/UnauditedQuarterlyFinancialDataTables 108 false false R109.htm 2423401 - Disclosure - Schedule III - Supplementary Insurance Information (Details) Sheet http://www.awac.com/role/ScheduleIiiSupplementaryInsuranceInformationDetails Schedule III - Supplementary Insurance Information (Details) Details http://www.awac.com/role/ScheduleIiiSupplementaryInsuranceInformation 109 false false R110.htm 2424401 - Disclosure - Schedule IV - Supplementary Reinsurance Information (Details) Sheet http://www.awac.com/role/ScheduleIvSupplementaryReinsuranceInformationDetails Schedule IV - Supplementary Reinsurance Information (Details) Details http://www.awac.com/role/ScheduleIvSupplementaryReinsuranceInformation 110 false false All Reports Book All Reports awh-20161231.xml awh-20161231.xsd awh-20161231_cal.xml awh-20161231_def.xml awh-20161231_lab.xml awh-20161231_pre.xml true true