2.4.0.6 Html 522 453 1 true 141 0 false 12 false false R1.htm 000090 - Document - Document And Entity Information Sheet http://www.awac.com/role/DocumentDocumentAndEntityInformation Document And Entity Information true false R2.htm 000100 - Statement - Consolidated Balance Sheets Sheet http://www.awac.com/role/StatementConsolidatedBalanceSheets Consolidated Balance Sheets false false R3.htm 000105 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.awac.com/role/StatementConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) false false R4.htm 000200 - Statement - Consolidated Statements Of Operations And Comprehensive Income Sheet http://www.awac.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveIncome Consolidated Statements Of Operations And Comprehensive Income false false R5.htm 000205 - Statement - Consolidated Statements Of Operations And Comprehensive Income (Parenthetical) Sheet http://www.awac.com/role/StatementConsolidatedStatementsOfOperationsAndComprehensiveIncomeParenthetical Consolidated Statements Of Operations And Comprehensive Income (Parenthetical) false false R6.htm 000300 - Statement - Consolidated Statements Of Shareholders' Equity Sheet http://www.awac.com/role/StatementConsolidatedStatementsOfShareholdersEquity Consolidated Statements Of Shareholders' Equity false false R7.htm 000400 - Statement - Consolidated Statements Of Cash Flows Sheet http://www.awac.com/role/StatementConsolidatedStatementsOfCashFlows Consolidated Statements Of Cash Flows false false R8.htm 010101 - Disclosure - General Sheet http://www.awac.com/role/DisclosureGeneral General false false R9.htm 010201 - Disclosure - Significant Accounting Policies Sheet http://www.awac.com/role/SignificantAccountingPolicies Significant Accounting Policies false false R10.htm 010301 - Disclosure - Investments Sheet http://www.awac.com/role/Investments Investments false false R11.htm 010401 - Disclosure - Derivative Instruments Sheet http://www.awac.com/role/DerivativeInstruments Derivative Instruments false false R12.htm 010501 - Disclosure - Fair Value Of Financial Instruments Sheet http://www.awac.com/role/FairValueOfFinancialInstruments Fair Value Of Financial Instruments false false R13.htm 010601 - Disclosure - Reserve For Losses And Loss Expenses Sheet http://www.awac.com/role/ReserveForLossesAndLossExpenses Reserve For Losses And Loss Expenses false false R14.htm 010701 - Disclosure - Ceded Reinsurance Sheet http://www.awac.com/role/DisclosureCededReinsurance Ceded Reinsurance false false R15.htm 010801 - Disclosure - Debt and Financing Arrangements Sheet http://www.awac.com/role/DisclosureDebtAndFinancingArrangements Debt and Financing Arrangements false false R16.htm 010901 - Disclosure - Goodwill and Intangible Assets Sheet http://www.awac.com/role/GoodwillAndIntangibleAssets Goodwill and Intangible Assets false false R17.htm 011001 - Disclosure - Income Taxes Sheet http://www.awac.com/role/IncomeTaxes Income Taxes false false R18.htm 011101 - Disclosure - Shareholders' Equity Sheet http://www.awac.com/role/ShareholdersEquity Shareholders' Equity false false R19.htm 011201 - Disclosure - Employee Benefit Plans Sheet http://www.awac.com/role/DisclosureEmployeeBenefitPlans Employee Benefit Plans false false R20.htm 011301 - Disclosure - Earnings Per Share Sheet http://www.awac.com/role/EarningsPerShare Earnings Per Share false false R21.htm 011401 - Disclosure - Commitments And Contingencies Sheet http://www.awac.com/role/CommitmentsAndContingencies Commitments And Contingencies false false R22.htm 011501 - Disclosure - Statutory Capital and Surplus Sheet http://www.awac.com/role/StatutoryCapitalAndSurplus Statutory Capital and Surplus false false R23.htm 011601 - Disclosure - Segment Information Sheet http://www.awac.com/role/SegmentInformation Segment Information false false R24.htm 011701 - Disclosure - Other Income Sheet http://www.awac.com/role/OtherIncome Other Income false false R25.htm 011801 - Disclosure - Condensed Consolidated Guarantor Financial Statements Sheet http://www.awac.com/role/DisclosureCondensedConsolidatedGuarantorFinancialStatements Condensed Consolidated Guarantor Financial Statements false false R26.htm 011909 - Disclosure - Unaudited Quarterly Financial Data Sheet http://www.awac.com/role/UnauditedQuarterlyFinancialData Unaudited Quarterly Financial Data false false R27.htm 012003 - Disclosure - Schedule III - Supplementary Insurance Information Sheet http://www.awac.com/role/ScheduleIIISupplementaryInsuranceInformation Schedule III - Supplementary Insurance Information false false R28.htm 012004 - Disclosure - Schedule IV - Supplementary Reinsurance Information Sheet http://www.awac.com/role/ScheduleIVSupplementaryReinsuranceInformation Schedule IV - Supplementary Reinsurance Information false false R29.htm 020000 - Disclosure - Significant Accounting Policies (Policies) Sheet http://www.awac.com/role/DisclosureSignificantAccountingPoliciesPolicies Significant Accounting Policies (Policies) false false R30.htm 030303 - Disclosure - Investments (Tables) Sheet http://www.awac.com/role/InvestmentsTables Investments (Tables) false false R31.htm 030403 - Disclosure - Derivative Instruments (Tables) Sheet http://www.awac.com/role/DerivativeInstrumentsTables Derivative Instruments (Tables) false false R32.htm 030503 - Disclosure - Fair Value Of Financial Instruments (Tables) Sheet http://www.awac.com/role/FairValueOfFinancialInstrumentsTables Fair Value Of Financial Instruments (Tables) false false R33.htm 030603 - Disclosure - Reserve For Losses And Loss Expenses (Tables) Sheet http://www.awac.com/role/ReserveForLossesAndLossExpensesTables Reserve For Losses And Loss Expenses (Tables) false false R34.htm 030701 - Disclosure - Ceded Reinsurance (Tables) Sheet http://www.awac.com/role/CededReinsuranceTables Ceded Reinsurance (Tables) false false R35.htm 030801 - Disclosure - Debt and Financing Arrangements (Tables) Sheet http://www.awac.com/role/DebtAndFinancingArrangementsTables Debt and Financing Arrangements (Tables) false false R36.htm 030903 - Disclosure - Goodwill and Intangible Assets (Tables) Sheet http://www.awac.com/role/GoodwillAndIntangibleAssetsTables Goodwill and Intangible Assets (Tables) false false R37.htm 031001 - Disclosure - Income Taxes (Tables) Sheet http://www.awac.com/role/IncomeTaxesTables Income Taxes (Tables) false false R38.htm 031103 - Disclosure - Shareholders' Equity (Tables) Sheet http://www.awac.com/role/ShareholdersEquityTables Shareholders' Equity (Tables) false false R39.htm 031201 - Disclosure - Employee Benefit Plans (Tables) Sheet http://www.awac.com/role/EmployeeBenefitPlansTables Employee Benefit Plans (Tables) false false R40.htm 031303 - Disclosure - Earnings Per Share (Tables) Sheet http://www.awac.com/role/EarningsPerShareTables Earnings Per Share (Tables) false false R41.htm 031401 - Disclosure - Commitments and Contingencies (Tables) Sheet http://www.awac.com/role/CommitmentsAndContingenciesTables Commitments and Contingencies (Tables) false false R42.htm 031501 - Disclosure - Statutory Capital and Surplus (Tables) Sheet http://www.awac.com/role/StatutoryCapitalAndSurplusTables Statutory Capital and Surplus (Tables) false false R43.htm 031603 - Disclosure - Segment Information (Tables) Sheet http://www.awac.com/role/DisclosureSegmentInformationTables Segment Information (Tables) false false R44.htm 031803 - Disclosure - Condensed Consolidated Guarantor Financial Statements (Tables) Sheet http://www.awac.com/role/DisclosureCondensedConsolidatedGuarantorFinancialStatementsTables Condensed Consolidated Guarantor Financial Statements (Tables) false false R45.htm 031909 - Disclosure - Unaudited Quarterly Financial Data (Tables) Sheet http://www.awac.com/role/UnauditedQuarterlyFinancialDataTables Unaudited Quarterly Financial Data (Tables) false false R46.htm 040201 - Disclosure - Significant Accounting Policies (Details) Sheet http://www.awac.com/role/SignificantAccountingPoliciesDetails Significant Accounting Policies (Details) false false R47.htm 040301 - Disclosure - Investments (Narrative) (Details) Sheet http://www.awac.com/role/DisclosureInvestmentsNarrativeDetails Investments (Narrative) (Details) false false R48.htm 040302 - Disclosure - Investments (Schedule Of Available For Sale Securities) (Details) Sheet http://www.awac.com/role/DisclosureInvestmentsScheduleOfAvailableForSaleSecuritiesDetails Investments (Schedule Of Available For Sale Securities) (Details) false false R49.htm 040303 - Disclosure - Investments (Schedule Of Trading Securities) (Details) Sheet http://www.awac.com/role/DisclosureInvestmentsScheduleOfTradingSecuritiesDetails Investments (Schedule Of Trading Securities) (Details) false false R50.htm 040305 - Disclosure - Investments (Schedule Of Other Investments) (Details) Sheet http://www.awac.com/role/DisclosureInvestmentsScheduleOfOtherInvestmentsDetails Investments (Schedule Of Other Investments) (Details) false false R51.htm 040306 - Disclosure - Investments (Schedule Of Net Investment Income) (Details) Sheet http://www.awac.com/role/DisclosureInvestmentsScheduleOfNetInvestmentIncomeDetails Investments (Schedule Of Net Investment Income) (Details) false false R52.htm 040307 - Disclosure - Investments (Components Of Realized Gains And Losses) (Details) Sheet http://www.awac.com/role/InvestmentsComponentsOfRealizedGainsAndLossesDetails Investments (Components Of Realized Gains And Losses) (Details) false false R53.htm 040309 - Disclosure - Investments (Analysis of Unrealized Losses) (Details) Sheet http://www.awac.com/role/DisclosureInvestmentsAnalysisOfUnrealizedLossesDetails Investments (Analysis of Unrealized Losses) (Details) false false R54.htm 040401 - Disclosure - Derivative Instruments (Location and Amounts of Derivative Fair Values On The Condensed Consolidated Balance Sheets) (Details) Sheet http://www.awac.com/role/DerivativeInstrumentsLocationAndAmountsOfDerivativeFairValuesOnTheCondensedConsolidatedBalanceSheetsDetails Derivative Instruments (Location and Amounts of Derivative Fair Values On The Condensed Consolidated Balance Sheets) (Details) false false R55.htm 040402 - 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/DerivativeInstrumentsLocationAndAmountsOfUnrealizedAndRealizedGainsLossesOnDerivativesRecordedInTheCondensedConsolidatedIncomeStatementsDetails Derivative Instruments (Location and Amounts of Unrealized And Realized Gains (Losses) On Derivatives Recorded In The Condensed Consolidated Income Statements) (Details) false false R56.htm 040502 - 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) false false R57.htm 040503 - Disclosure - Fair Value Of Financial Instruments (Schedule Of Fair Value Measurement Using Significant Unobservable Inputs Level Three) (Details) Sheet http://www.awac.com/role/DisclosureFairValueOfFinancialInstrumentsScheduleOfFairValueMeasurementUsingSignificantUnobservableInputsLevelThreeDetails Fair Value Of Financial Instruments (Schedule Of Fair Value Measurement Using Significant Unobservable Inputs Level Three) (Details) false false R58.htm 040601 - 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) false false R59.htm 040602 - 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) false false R60.htm 040701 - Disclosure - Ceded Reinsurance (Components of Reinsurance) (Details) Sheet http://www.awac.com/role/CededReinsuranceComponentsOfReinsuranceDetails Ceded Reinsurance (Components of Reinsurance) (Details) false false R61.htm 040702 - Disclosure - Ceded Reinsurance (Effects of Reinsurance) (Details) Sheet http://www.awac.com/role/CededReinsuranceEffectsOfReinsuranceDetails Ceded Reinsurance (Effects of Reinsurance) (Details) false false R62.htm 040703 - Disclosure - Ceded Reinsurance (Credit Risk by Reinsurer) (Details) Sheet http://www.awac.com/role/CededReinsuranceCreditRiskByReinsurerDetails Ceded Reinsurance (Credit Risk by Reinsurer) (Details) false false R63.htm 040704 - Disclosure - Ceded Reinsurance (Narrative) (Details) Sheet http://www.awac.com/role/CededReinsuranceNarrativeDetails Ceded Reinsurance (Narrative) (Details) false false R64.htm 040801 - Disclosure - Debt and Financing Arrangements (Financing Structure) (Details) Sheet http://www.awac.com/role/DisclosureDebtAndFinancingArrangementsFinancingStructureDetails Debt and Financing Arrangements (Financing Structure) (Details) false false R65.htm 040802 - Disclosure - Debt and Financing Arrangements (Debt Maturities) (Details) Sheet http://www.awac.com/role/DebtAndFinancingArrangementsDebtMaturitiesDetails Debt and Financing Arrangements (Debt Maturities) (Details) false false R66.htm 040803 - Disclosure - Debt and Financing Arrangements (Narrative) (Details) Sheet http://www.awac.com/role/DisclosureDebtAndFinancingArrangementsNarrativeDetails Debt and Financing Arrangements (Narrative) (Details) false false R67.htm 040901 - Disclosure - Goodwill and Intangible Assets (Details) Sheet http://www.awac.com/role/DisclosureGoodwillAndIntangibleAssetsDetails Goodwill and Intangible Assets (Details) false false R68.htm 040902 - Disclosure - Goodwill and Intangible Assets (Future amortization expense) (Details) Sheet http://www.awac.com/role/DisclosureGoodwillAndIntangibleAssetsFutureAmortizationExpenseDetails Goodwill and Intangible Assets (Future amortization expense) (Details) false false R69.htm 041001 - Disclosure - Income Taxes (Components of Income Taxes) (Details) Sheet http://www.awac.com/role/IncomeTaxesComponentsOfIncomeTaxesDetails Income Taxes (Components of Income Taxes) (Details) false false R70.htm 041002 - Disclosure - Income Taxes (Sources of Income) (Details) Sheet http://www.awac.com/role/DisclosureIncomeTaxesSourcesOfIncomeDetails Income Taxes (Sources of Income) (Details) false false R71.htm 041003 - Disclosure - Income Taxes (Deferred Tax Components) (Details) Sheet http://www.awac.com/role/IncomeTaxesDeferredTaxComponentsDetails Income Taxes (Deferred Tax Components) (Details) false false R72.htm 041004 - Disclosure - Income Taxes (Current Taxes) (Details) Sheet http://www.awac.com/role/IncomeTaxesCurrentTaxesDetails Income Taxes (Current Taxes) (Details) false false R73.htm 041005 - Disclosure - Income Taxes (Reconciliation of Effective Tax Rate) (Details) Sheet http://www.awac.com/role/IncomeTaxesReconciliationOfEffectiveTaxRateDetails Income Taxes (Reconciliation of Effective Tax Rate) (Details) false false R74.htm 041101 - Disclosure - Shareholders' Equity (Narrative) (Details) Sheet http://www.awac.com/role/DisclosureShareholdersEquityNarrativeDetails Shareholders' Equity (Narrative) (Details) false false R75.htm 041102 - Disclosure - Shareholders' Equity (Issued Share Capital) (Details) Sheet http://www.awac.com/role/ShareholdersEquityIssuedShareCapitalDetails Shareholders' Equity (Issued Share Capital) (Details) false false R76.htm 041103 - 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) false false R77.htm 041104 - Disclosure - Shareholders' Equity (Share Warrants) (Details) Sheet http://www.awac.com/role/DisclosureShareholdersEquityShareWarrantsDetails Shareholders' Equity (Share Warrants) (Details) false false R78.htm 041105 - Disclosure - Shareholders' Equity (Schedule Of Dividends Paid) (Details) Sheet http://www.awac.com/role/DisclosureShareholdersEquityScheduleOfDividendsPaidDetails Shareholders' Equity (Schedule Of Dividends Paid) (Details) false false R79.htm 041106 - Disclosure - Shareholders' Equity (Schedule Of Share Repurchases) (Details) Sheet http://www.awac.com/role/DisclosureShareholdersEquityScheduleOfShareRepurchasesDetails Shareholders' Equity (Schedule Of Share Repurchases) (Details) false false R80.htm 041201 - Disclosure - Employee Benefit Plans (Options Valuation Assumptions) (Details) Sheet http://www.awac.com/role/EmployeeBenefitPlansOptionsValuationAssumptionsDetails Employee Benefit Plans (Options Valuation Assumptions) (Details) false false R81.htm 041202 - Disclosure - Employee Benefit Plans (Options) (Details) Sheet http://www.awac.com/role/EmployeeBenefitPlansOptionsDetails Employee Benefit Plans (Options) (Details) false false R82.htm 041203 - Disclosure - Employee Benefit Plans (Restricted Stock Units) (Details) Sheet http://www.awac.com/role/DisclosureEmployeeBenefitPlansRestrictedStockUnitsDetails Employee Benefit Plans (Restricted Stock Units) (Details) false false R83.htm 041204 - Disclosure - Employee Benefit Plans (Long Term Incentive Plan) (Details) Sheet http://www.awac.com/role/DisclosureEmployeeBenefitPlansLongTermIncentivePlanDetails Employee Benefit Plans (Long Term Incentive Plan) (Details) false false R84.htm 041205 - Disclosure - Employee Benefit Plans (Other Details) (Details) Sheet http://www.awac.com/role/DisclosureEmployeeBenefitPlansOtherDetailsDetails Employee Benefit Plans (Other Details) (Details) false false R85.htm 041301 - Disclosure - Earnings Per Share (Narrative) (Details) Sheet http://www.awac.com/role/EarningsPerShareNarrativeDetails Earnings Per Share (Narrative) (Details) false false R86.htm 041302 - 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) false false R87.htm 041401 - Disclosure - Commitments and Contingencies (Operating Leases) (Details) Sheet http://www.awac.com/role/CommitmentsAndContingenciesOperatingLeasesDetails Commitments and Contingencies (Operating Leases) (Details) false false R88.htm 041402 - Disclosure - Commitments and Contingencies (Credit Concentration Disclosure) (Details) Sheet http://www.awac.com/role/DisclosureCommitmentsAndContingenciesCreditConcentrationDisclosureDetails Commitments and Contingencies (Credit Concentration Disclosure) (Details) false false R89.htm 041501 - Disclosure - Statutory Capital and Surplus (Details) Sheet http://www.awac.com/role/DisclosureStatutoryCapitalAndSurplusDetails Statutory Capital and Surplus (Details) false false R90.htm 041601 - Disclosure - Segment Information (Summary Of Segment Results) (Details) Sheet http://www.awac.com/role/DisclosureSegmentInformationSummaryOfSegmentResultsDetails Segment Information (Summary Of Segment Results) (Details) false false R91.htm 041602 - Disclosure - Segment Information (Gross Premiums Written By Geographic Location) (Details) Sheet http://www.awac.com/role/DisclosureSegmentInformationGrossPremiumsWrittenByGeographicLocationDetails Segment Information (Gross Premiums Written By Geographic Location) (Details) false false R92.htm 041701 - Disclosure - Other Income (Details) Sheet http://www.awac.com/role/OtherIncomeDetails Other Income (Details) false false R93.htm 041801 - Disclosure - Condensed Consolidated Guarantor Financial Statements (Schedule Of Condensed Consolidating Balance Sheet) (Details) Sheet http://www.awac.com/role/DisclosureCondensedConsolidatedGuarantorFinancialStatementsScheduleOfCondensedConsolidatingBalanceSheetDetails Condensed Consolidated Guarantor Financial Statements (Schedule Of Condensed Consolidating Balance Sheet) (Details) false false R94.htm 041802 - Disclosure - Condensed Consolidated Guarantor Financial Statements (Schedule Of Condensed Consolidating Income Statement) (Details) Sheet http://www.awac.com/role/DisclosureCondensedConsolidatedGuarantorFinancialStatementsScheduleOfCondensedConsolidatingIncomeStatementDetails Condensed Consolidated Guarantor Financial Statements (Schedule Of Condensed Consolidating Income Statement) (Details) false false R95.htm 041803 - Disclosure - Condensed Consolidated Guarantor Financial Statements (Schedule Of Condensed Consolidating Cash Flows) (Details) Sheet http://www.awac.com/role/DisclosureCondensedConsolidatedGuarantorFinancialStatementsScheduleOfCondensedConsolidatingCashFlowsDetails Condensed Consolidated Guarantor Financial Statements (Schedule Of Condensed Consolidating Cash Flows) (Details) false false R96.htm 041804 - 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) false false R97.htm 041909 - Disclosure - Unaudited Quarterly Financial Data (Details) Sheet http://www.awac.com/role/DisclosureUnauditedQuarterlyFinancialDataDetails Unaudited Quarterly Financial Data (Details) false false R98.htm 042003 - Disclosure - Schedule III - Supplementary Insurance Information (Details) Sheet http://www.awac.com/role/DisclosureScheduleIIISupplementaryInsuranceInformationDetails Schedule III - Supplementary Insurance Information (Details) false false R99.htm 042004 - Disclosure - Schedule IV - Supplementary Reinsurance Information (Details) Sheet http://www.awac.com/role/DisclosureScheduleIVSupplementaryReinsuranceInformationDetails Schedule IV - Supplementary Reinsurance Information (Details) false false All Reports Book All Reports Process Flow-Through: 000100 - Statement - Consolidated Balance Sheets Process Flow-Through: Removing column 'Dec. 31, 2010' Process Flow-Through: Removing column 'Dec. 31, 2009' Process Flow-Through: 000105 - Statement - Consolidated Balance Sheets (Parenthetical) Process Flow-Through: Removing column 'Dec. 31, 2012 CHF' Process Flow-Through: Removing column 'Dec. 31, 2011 CHF' Process Flow-Through: 000200 - Statement - Consolidated Statements Of Operations And Comprehensive Income Process Flow-Through: 000205 - Statement - Consolidated Statements Of Operations And Comprehensive Income (Parenthetical) Process Flow-Through: 000400 - Statement - Consolidated Statements Of Cash Flows awh-20121231.xml awh-20121231.xsd awh-20121231_cal.xml awh-20121231_def.xml awh-20121231_lab.xml awh-20121231_pre.xml true true