ASB


Line plots across dimensions of each concept
Line plots across concepts
Tables

Table of contents



us-gaap:CommonStockValue
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents
us-gaap:CommonStockSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities
us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted
us-gaap:ConsolidatedEntities
us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets
us-gaap:ConsolidatedEntities
us-gaap:CapitalToRiskWeightedAssets
us-gaap:AwardType
us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxExpenseBenefit
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestAndFeeIncomeLoansAndLeases

us-gaap:InterestExpense

us-gaap:InterestExpenseLongTermDebt

us-gaap:InterestIncomeExpenseNet
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:InterestPaidNet

us-gaap:MarketingAndAdvertisingExpense

us-gaap:NetIncomeLoss
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:OtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents
us-gaap:ProductOrService
us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:Revenues
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:Assets
us-gaap:ConsolidatedEntities

us-gaap:Liabilities
us-gaap:ConsolidatedEntities

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:ConsolidatedEntities

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents
us-gaap:ConsolidatedEntities
us-gaap:TierOneRiskBasedCapital
us-gaap:ConsolidatedEntities
us-gaap:CashAndCashEquivalentsAtCarryingValue

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:PropertyPlantAndEquipmentGross
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:AmortizationOfIntangibleAssets
us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:PropertyPlantAndEquipmentNet
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:Goodwill
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:IntangibleAssetsNetExcludingGoodwill
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:EquitySecuritiesFvNi
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:OtherAssets
us-gaap:ConsolidatedEntities

us-gaap:TimeDepositMaturitiesYearOne

us-gaap:LongTermDebt
us-gaap:ConsolidatedEntities
us-gaap:DebtInstrument
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:StockholdersEquity
us-gaap:ConsolidatedEntities
us-gaap:StatementEquityComponents

us-gaap:CommonStockValue
us-gaap:ConsolidatedEntities

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax
us-gaap:StatementEquityComponents

us-gaap:TreasuryStockValue

us-gaap:StockIssuedDuringPeriodValueNewIssues
us-gaap:StatementEquityComponents

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividendsCommonStock
us-gaap:AwardType
us-gaap:PaymentsForRepurchaseOfCommonStock
us-gaap:ShareRepurchaseProgram
us-gaap:DebtInstrument
us-gaap:DebtInstrumentInterestRateStatedPercentage

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:ProceedsFromRepaymentsOfShortTermDebt

asb:AllocatedGoodwillSegment
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

asb:AmortizationofNetUnrealizedGainonAvailableforSaleSecuritiesTransferedtoHeldtomaturitySecurities
us-gaap:StatementEquityComponents

asb:BankandCorporateOwnedLifeInsuranceIncome

asb:CapitalMarketFeesNet

asb:CommonShareholdersEarningsBasic

asb:CommonShareholdersEarningsDiluted

asb:DistributedEarningsToCommonShareholdersBasic

asb:DistributedEarningsToCommonShareholdersDiluted

asb:EquitySecuritiesWithoutReadilyDeterminableFairValueAdditionsAnnualAmount

asb:ExpenseRelatedtoQualifiedAffordableHousingProjects

asb:FairValueInputsClosingRatio
us-gaap:FairValueByAssetClass
asb:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisDerivativeAssetsAndLiabilitiesNetMortgageDerivativeGainLossIncludedInEarnings

asb:FinanceLeaseCost

asb:FinanceLeasePayments
asb:AllowanceType
asb:FinancingReceivableAllowanceForCreditLossNetRecoveryLoss
asb:AllowanceType, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

asb:FixedInterestRatesFinanceLeases
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
asb:GainLossOnSaleAndMaturityOfOtherInvestmentsBeforeTax

asb:GainsLossesOnSaleOfPPEAndOtherAssets

asb:GainsLossesOnSalesOfPPEAndOtherAssets

asb:IncreaseDecreaseInShortTermFHLBAdvances

asb:InterestOnPPPLFFunding

asb:InterestonFHLBFunding

asb:LegalAndProfessionalFees

asb:LoanAndForeclosureCosts

asb:LossOnPrepaymentsOfFHLBAdvances
us-gaap:StatementBusinessSegments

asb:MSRAdditionfromBusinessCombination

asb:NetChangeinTaxCreditInvestments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
asb:Netintersegmentinterestincomeexpense

asb:NoninterestIncomeInScopeofTopic606
us-gaap:ProductOrService
us-gaap:ProductOrService, us-gaap:StatementBusinessSegments
us-gaap:StatementBusinessSegments

asb:NoninterestIncomeOutsideofScopeofTopic606
us-gaap:StatementBusinessSegments

asb:OperatingLeaseCostsTerminationOfLeasesWithConsolidatingBranches

asb:OtherComprehensiveIncomeLossPensionandOtherPostretirementBenefitPlansAmortizedGainLossDuringPeriodBeforeTax

asb:PrepaymentOfFHLBAdvances

asb:ProceedsFromPaycheckProtectionProgramLoanFunding

asb:ProceedsfromFHLBAdvance
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
asb:ProvisionforCreditLossesImpairedLoans

asb:RepaymentofFHLBAdvance

asb:Segmentnetinterestincome
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

asb:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsPerShareFairValueOfStockOptions

asb:TaxBenefitFromTaxPlanningStrategies

asb:UndistributedEarningsAllocatedToCommonShareholders

asb:UndistributedEarningsAllocatedToUnvestedShareBasedPaymentAwards

asb:UndistributedEarningsAllocations

asb:UndistributedEarningsBasic

asb:UnsettledTradesToPurchaseSecurities

asb:UnvestedShareBasedPaymentAwards

asb:VisaRestrictedStockOwned

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AmortizationOfMortgageServicingRightsMSRs
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument, us-gaap:ValuationTechnique
us-gaap:AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate
us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument, us-gaap:ValuationTechnique
us-gaap:AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesPrepaymentSpeed

us-gaap:AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:BusinessCombinationAcquisitionRelatedCosts
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation
us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1
us-gaap:IncomeStatementLocation

us-gaap:CommonStockDividendsPerShareCashPaid
us-gaap:Dividends, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:DebtAndEquitySecuritiesRealizedGainLoss

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss
us-gaap:StatementEquityComponents

us-gaap:DebtSecuritiesRealizedGainLoss

us-gaap:DebtSecuritiesTradingRealizedGain

us-gaap:DebtSecuritiesTradingRealizedLoss
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanInterestCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost
us-gaap:RetirementPlanType
us-gaap:DefinedBenefitPlanServiceCost

us-gaap:Depreciation
us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation
us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet

us-gaap:DividendsCommonStock

us-gaap:DividendsCommonStockCash
us-gaap:StatementEquityComponents

us-gaap:DividendsPreferredStockCash
us-gaap:StatementEquityComponents

us-gaap:EquipmentExpense
us-gaap:FairValueByAssetClass
us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings
us-gaap:FairValueByAssetClass
us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchases
us-gaap:FairValueByAssetClass
us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements

us-gaap:FederalDepositInsuranceCorporationPremiumExpense

us-gaap:FeesAndCommissionsMortgageBankingAndServicing

us-gaap:FinanceLeasePrincipalPayments
asb:AllowanceType
us-gaap:FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease
asb:AllowanceType, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
asb:AllowanceType
us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease
asb:AllowanceType, us-gaap:BusinessAcquisition
asb:AllowanceType, us-gaap:BusinessAcquisition, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
asb:AllowanceType, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
asb:AllowanceType
us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery
asb:AllowanceType, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
asb:AllowanceType
us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs
asb:AllowanceType, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2
us-gaap:ClassOfFinancingReceivableTypeOfBorrower

us-gaap:FinancingReceivableModificationsPreModificationRecordedInvestment2
us-gaap:ClassOfFinancingReceivableTypeOfBorrower

us-gaap:FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
us-gaap:ClassOfFinancingReceivableTypeOfBorrower
us-gaap:DisposalGroupClassification, us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsPeriodIncreaseDecrease
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FinitelivedIntangibleAssetsAcquired1

us-gaap:GainLossOnSaleOfBusiness

us-gaap:GainLossOnSaleOfMortgageLoans

us-gaap:GainsLossesOnSalesOfAssets
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations, us-gaap:StatementBusinessSegments
us-gaap:BusinessAcquisition
us-gaap:GoodwillAcquiredDuringPeriod
us-gaap:BusinessAcquisition
us-gaap:GoodwillOtherIncreaseDecrease

us-gaap:IncreaseDecreaseInAccruedInterestReceivableNet

us-gaap:IncreaseDecreaseInDeposits

us-gaap:IncreaseDecreaseInDerivativeAssetsAndLiabilities

us-gaap:IncreaseDecreaseInIncomeTaxes

us-gaap:IncreaseDecreaseInInterestPayableNet

us-gaap:IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities

us-gaap:IncreaseDecreaseInPayablesToBrokerDealers

us-gaap:IncrementalCommonSharesAttributableToShareBasedPaymentArrangements

us-gaap:InformationTechnologyAndDataProcessing

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestExpenseDeposits

us-gaap:InterestExpenseFederalFundsPurchasedAndSecuritiesSoldUnderAgreementsToRepurchase

us-gaap:InterestExpenseOtherShortTermBorrowings

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:InterestIncomeSecuritiesTaxExempt

us-gaap:InterestIncomeSecuritiesTaxable

us-gaap:LaborAndRelatedExpense
us-gaap:StatementEquityComponents

us-gaap:MarketableSecuritiesGainLoss

us-gaap:MortgageServicingRightsMSRImpairmentRecovery
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:NoninterestExpense
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:NoninterestIncome
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:NoninterestIncomeOtherOperatingIncome

us-gaap:OccupancyNet

us-gaap:OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal
asb:AllowanceType
asb:AllowanceType, us-gaap:BusinessAcquisition
asb:AllowanceType, us-gaap:BusinessAcquisition, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
asb:AllowanceType, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:BusinessAcquisition

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeasePayments

us-gaap:OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossBeforeReclassificationsBeforeTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossTax

us-gaap:OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax

us-gaap:OtherDepreciationAndAmortization
us-gaap:StatementEquityComponents
us-gaap:OtherExpenses

us-gaap:OtherInterestAndDividendIncome

us-gaap:OtherNoninterestExpense

us-gaap:PaymentsForOriginationAndPurchasesOfLoansHeldForSale

us-gaap:PaymentsForProceedsFromLoansAndLeases

us-gaap:PaymentsForProceedsFromProductiveAssets

us-gaap:PaymentsOfDividendsPreferredStockAndPreferenceStock

us-gaap:PaymentsToAcquireAvailableForSaleSecurities

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireFederalHomeLoanBankStock

us-gaap:PaymentsToAcquireHeldToMaturitySecurities

us-gaap:PaymentsToAcquireOtherInvestments
us-gaap:Dividends, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
us-gaap:PreferredStockDividendRatePercentage

us-gaap:PreferredStockDividendsAndOtherAdjustments
us-gaap:StatementClassOfStock
us-gaap:PreferredStockDividendsPerShareCashPaid
us-gaap:StatementClassOfStock, us-gaap:StatementEquityComponents
us-gaap:Dividends, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType
us-gaap:PreferredStockDividendsPerShareDeclared

us-gaap:ProceedsFromIssuanceOfPreferredStockAndPreferenceStock

us-gaap:ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities

us-gaap:ProceedsFromSaleAndMaturityOfMarketableSecurities

us-gaap:ProceedsFromSaleAndMaturityOfOtherInvestments
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

us-gaap:ProceedsFromSaleOfAvailableForSaleSecurities

us-gaap:ProceedsFromSaleOfFederalHomeLoanBankStock

us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale

us-gaap:ProvisionForLoanLeaseAndOtherLosses
asb:AllowanceType
asb:AllowanceType, us-gaap:BusinessAcquisition
asb:AllowanceType, us-gaap:BusinessAcquisition, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
asb:AllowanceType, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments
us-gaap:ValuationAllowancesAndReservesType
us-gaap:ProvisionForOtherCreditLosses
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:SECScheduleIIIRealEstateWritedownOrReserveAmount

us-gaap:ServicingAssetAtAmortizedValueAdditions

us-gaap:ServicingAssetAtAmortizedValueAmortization1

us-gaap:ServicingAssetAtFairValueAdditions
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
us-gaap:Range
us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1

us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised

us-gaap:StockIssuedDuringPeriodValueShareBasedCompensation
us-gaap:StatementEquityComponents

us-gaap:TransferOfPortfolioLoansAndLeasesToHeldForSale1

us-gaap:TransferToOtherRealEstate
us-gaap:AwardType
us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:AwardType, us-gaap:StatementEquityComponents
us-gaap:ShareRepurchaseProgram
us-gaap:ShareRepurchaseProgram, us-gaap:StatementEquityComponents

us-gaap:UndistributedEarnings

us-gaap:UndistributedEarningsDiluted

us-gaap:ValuationAllowanceForImpairmentOfRecognizedServicingAssetsProvisionsRecoveries
asb:AllowanceType
asb:AllowanceForCreditLossesOnLoans
asb:AllowanceType, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FairValueByFairValueHierarchyLevel
asb:Availableforsalesecuritiesfairvaluedisclosure1

asb:BadDebtReserveOfQualifiedThriftLender

asb:BankOwnedLifeInsuranceFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

asb:BankandCorporateOwnedLifeInsurance
us-gaap:FairValueByFairValueHierarchyLevel

asb:BasisDifferenceFromEquitySecuritiesAndOtherInvestments
us-gaap:FairValueByFairValueHierarchyLevel
asb:BrokeredCdsAndOtherTimeDeposits
us-gaap:FairValueByFairValueHierarchyLevel
asb:BrokeredCdsAndOtherTimeDepositsFairValue

asb:BusinessCombinationRecognizedIdentifiableAssetsAcquiredandLiabilitiesAssumedIntangibleAssetsIncludingGoodwill
us-gaap:FairValueByFairValueHierarchyLevel
asb:CommercialLoansHeldforsaleFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel
asb:CommercialLoansReceivableHeldforsaleNetNotPartofDisposalGroup
us-gaap:ConsolidatedEntities
asb:CommonEquityTierOneCapitalRequiredforCapitalAdequacytoRiskWeightedAssets
us-gaap:ConsolidatedEntities
asb:CommonEquityTierOneCapitalRequiredtobeWellCapitalizedtoRiskWeightedAssets
us-gaap:ConsolidatedEntities
asb:CommonEquityTierOneCapitaltoRiskWeightedAssets

asb:DecreaseInFHLBAdvancesPercent

asb:DeferredLoanFeeIncome

asb:Deferredtaxliabilitydepreciation
us-gaap:RetirementPlanType
asb:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesNetOfTax
us-gaap:RetirementPlanType
asb:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetPriorServiceCostCreditNetOfTax
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:RetirementPlanType
asb:DefinedBenefitPlanFairValueOfPlanAssetsGroupAnnuityContracts
us-gaap:RetirementPlanType
asb:DefinedBenefitPlanHealthCareCostRateChange
us-gaap:FairValueByFairValueHierarchyLevel
asb:DepositsExcludingTimeDeposits
us-gaap:FairValueByFairValueHierarchyLevel
asb:DepositsExcludingTimeDepositsFairValueDisclosure
us-gaap:DerivativeInstrumentRisk
asb:DerivativeAssetFairValueGrossAssetSubjectToMasterNettingArrangement
us-gaap:DerivativeInstrumentRisk
asb:DerivativeAssetFairValueGrossAssetSubjecttoMasterNettingArrangement
us-gaap:DerivativeInstrumentRisk
asb:DerivativeLiabilityFairValueGrossLiabilitySubjectToMasterNettingArrangement
us-gaap:DerivativeInstrumentRisk
asb:DerivativeLiabilityFairValueGrossLiabilitySubjecttoMasterNettingArrangement
us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations
asb:DisposedNetBranches
us-gaap:FairValueByFairValueHierarchyLevel
asb:EquitySecuritiesWithReadilyDeterminableFairValueCarryingAmount
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us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs

us-gaap:FederalFundsPurchased

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us-gaap:FairValueByFairValueHierarchyLevel

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us-gaap:Range
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us-gaap:FairValueByFairValueHierarchyLevel

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us-gaap:FinanceLeaseLiability

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us-gaap:FiniteLivedIntangibleAssetsByMajorClass
us-gaap:FiniteLivedIntangibleAssetsGross

us-gaap:HeldToMaturitySecurities
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us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue
us-gaap:CounterpartyName, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:LoansInsuredOrGuaranteedByGovernmentAuthorities

us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:CounterpartyName, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:LoansInsuredOrGuaranteedByGovernmentAuthorities

us-gaap:HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
us-gaap:CounterpartyName, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:LoansInsuredOrGuaranteedByGovernmentAuthorities

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount

us-gaap:HeldToMaturitySecuritiesFairValue
us-gaap:CounterpartyName, us-gaap:FinancialInstrument
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FinancialInstrument
us-gaap:FinancialInstrument, us-gaap:LoansInsuredOrGuaranteedByGovernmentAuthorities

us-gaap:InterestBearingDepositLiabilitiesDomestic

us-gaap:InterestBearingDepositsInBanks
us-gaap:ConsolidatedEntities
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:InterestReceivable
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:FinancialInstrument

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextRollingTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LettersOfCreditOutstandingAmount

us-gaap:LifeInsuranceCorporateOrBankOwnedAmount
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:LineOfCredit
asb:LendingRelatedCommitmentsByType
us-gaap:LinesOfCreditFairValueDisclosure
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:LoansAndLeasesReceivableAllowance

us-gaap:LoansAndLeasesReceivableImpairedCommitmentToLend

us-gaap:LoansAndLeasesReceivableNetOfDeferredIncome

us-gaap:LoansAndLeasesReceivableNetReportedAmount
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:LoansAndLeasesReceivableRelatedParties
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:LoansReceivableFairValueDisclosure
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:LoansReceivableHeldForSaleAmount
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:LongTermDebtFairValue
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:MortgagesHeldForSaleFairValueDisclosure

us-gaap:NoninterestBearingDomesticDepositDemand

us-gaap:NotesReceivableGross
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:InternalCreditAssessment
us-gaap:ConsolidatedEntities
us-gaap:NotesReceivableRelatedPartiesNoncurrent

us-gaap:OffBalanceSheetCreditLossLiability
asb:AllowanceType
asb:AllowanceType, us-gaap:CumulativeEffectPeriodOfAdoption, us-gaap:AdjustmentsForNewAccountingPronouncements
asb:AllowanceType, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:PropertyPlantAndEquipmentByType

us-gaap:OperatingLeasesFutureMinimumPaymentsDue

us-gaap:OperatingLeasesFutureMinimumPaymentsDueCurrent

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFiveYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInFourYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInThreeYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueInTwoYears

us-gaap:OperatingLeasesFutureMinimumPaymentsDueThereafter

us-gaap:OperatingLeasesFutureMinimumPaymentsReceivable

us-gaap:OperatingLeasesFutureMinimumPaymentsReceivableCurrent

us-gaap:OperatingLeasesFutureMinimumPaymentsReceivableInFiveYears

us-gaap:OperatingLeasesFutureMinimumPaymentsReceivableInFourYears

us-gaap:OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears

us-gaap:OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears

us-gaap:OperatingLeasesFutureMinimumPaymentsReceivableThereafter
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards
us-gaap:InvestmentSecondaryCategorization
us-gaap:OtherInvestments

us-gaap:OtherLiabilities
us-gaap:ConsolidatedEntities

us-gaap:OtherLongTermDebt
us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:OtherShortTermBorrowings

us-gaap:OtherShortTermInvestments
us-gaap:RetirementPlanType
us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansCurrentLiabilities

us-gaap:PledgedFinancialInstrumentsNotSeparatelyReportedSecuritiesPledged

us-gaap:PreferredStockIncludingAdditionalPaidInCapital
us-gaap:ConsolidatedEntities

us-gaap:PreferredStockRedemptionAmount
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:PreferredStockSharesOutstanding

us-gaap:SecuritiesSoldUnderAgreementsToRepurchase

us-gaap:ServicingAsset

us-gaap:ServicingAssetAtAmortizedValue

us-gaap:ServicingAssetAtAmortizedValueFairValue
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
us-gaap:PlanName
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue

us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1

us-gaap:ShortTermBorrowings
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:ShorttermDebtFairValue
us-gaap:StatementClassOfStock
us-gaap:StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1

us-gaap:SubordinatedDebt
us-gaap:IncomeTaxAuthority
us-gaap:TaxCreditCarryforwardAmount
us-gaap:ConsolidatedEntities
us-gaap:TierOneLeverageCapital
us-gaap:ConsolidatedEntities
us-gaap:TierOneLeverageCapitalRequiredForCapitalAdequacy
us-gaap:ConsolidatedEntities
us-gaap:TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets
us-gaap:ConsolidatedEntities
us-gaap:TierOneLeverageCapitalRequiredToBeWellCapitalized
us-gaap:ConsolidatedEntities
us-gaap:TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets
us-gaap:ConsolidatedEntities
us-gaap:TierOneLeverageCapitalToAverageAssets
us-gaap:ConsolidatedEntities
us-gaap:TierOneRiskBasedCapitalRequiredForCapitalAdequacy
us-gaap:ConsolidatedEntities
us-gaap:TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets
us-gaap:ConsolidatedEntities
us-gaap:TierOneRiskBasedCapitalRequiredToBeWellCapitalized
us-gaap:ConsolidatedEntities
us-gaap:TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets

us-gaap:TimeDepositMaturitiesAfterYearFive

us-gaap:TimeDepositMaturitiesYearFive

us-gaap:TimeDepositMaturitiesYearFour

us-gaap:TimeDepositMaturitiesYearThree

us-gaap:TimeDepositMaturitiesYearTwo

us-gaap:TimeDeposits

us-gaap:TimeDeposits100000OrMore
us-gaap:StatementClassOfStock
us-gaap:TreasuryStockCarryingBasis

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

us-gaap:ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance

us-gaap:ValuationAllowancesAndReservesBalance

Plots across concepts


IncomeStatement
Other Comprehensive Income Loss Net Of Tax
Expenses
Interest Expense
Balance Sheet
Operating Lease Right Of Use Asset
Assets
Operating Lease Right Of Use Asset
Current Assets
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
NonCurrent Assets
Operating Lease Right Of Use Asset
PropertyPlantAndEquipmentNet
Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
Liabilities
Operating Lease Liability
Noncurrent Liabilities
Long Term Debt
Stockholders Equity
Common Stock Value
Per Share
Common Stock Dividends Per Share Cash Paid
CashFlow
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInOperatingActivities
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInInvestingActivities
Payments To Acquire Businesses Net Of Cash Acquired
Shares
Weighted Average Number Of Shares Outstanding Basic
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Undiscounted Excess Amount
BanksAndOrInsurance
Securities Sold Under Agreements To Repurchase
AssetsBanks
Federal Funds Sold And Securities Purchased Under Agreements To Resell
LiabilitiesBanks
Short Term Borrowings

Tables

  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:CommonStockValue █████████████▇▁▁▂▂▂▂▂▂▂▂▂▄▄▆██████████████▇1.7521.7521.7521.7521.7521.7521.7521.7521.7521.7521.7521.7521.7511.7411.6181.6151.631.631.631.631.631.631.6421.6421.6421.6741.6651.7191.751.751.751.751.751.751.751.751.751.751.7461.7461.7451.7441.739NANANA
 us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents us-gaap:CommonStockNANA175.216NANANA175.216NANANA175.216NANANA161.752NANANA163.03NANANA164.2NANANA166.544NANANA175.013NANANA175.013NANANA174.591NANANA173.887NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█153.381153.688NA153.194153.15155.619NA160.382163.672165.433NA172.802173.409166.432NA152.968154.302153.869NA149.973149.53149.454NA149.799151.108151.164NA156.991160.838162.188NA165.443166.748168.404NA171.78172.841173.848NA173.418173.327173.217NA172.99172.921165.842
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▁█152.042152.355NA152.44152.393154.701NA159.126162.18163.928NA170.516170.633163.52NA150.565151.573150.815NA148.708148.511148.601NA148.614149.903150.07NA155.925159.94161.467NA164.954166.605168.234NA171.65172.839173.846NA173.418173.323173.213NA172.989172.921165.842
 us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities us-gaap:EmployeeStockOption▄▄3.03.0NA8.08.04.0NA3.04.03.0NA1.41.51.0NA1.01.00.5NA4.04.0NANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EarningsPerShareBasic ▆▆▅▄█▄▅▅▅▅▅▅▅▅▄▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▂▂▂▁0.560.580.400000000000000130.260.940.270.439999999999999950.50.490.50.520.490.510.410.320000000000000060.410.360.360.350.340.310.270.26999999999999990.310.320.30.309999999999999940.310.280.270.280000000000000140.270.280.270.260.260.240.240.230000000000000040.20.150.090.040000000000000010.04-0.06-0.2
us-gaap:EarningsPerShareDiluted ▆▆▅▄█▄▅▅▅▅▅▅▅▅▄▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▂▂▂▁0.560.580.400000000000000130.260.940.270.429999999999999940.490.490.50.510.480.50.40.309999999999999830.410.360.350.339999999999999970.340.310.270.26999999999999990.310.310.30.309999999999999940.310.280.270.280000000000000140.270.280.270.260.260.240.240.230000000000000040.20.150.090.040000000000000010.04-0.06-0.2
 us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities srt:ParentCompanyNANA1.181e-05NANANA1.126e-07NANANA1.133e-07NANANA1.082e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities srt:SubsidiariesNANA1.149e-05NANANA1.103e-07NANANA1.113e-07NANANA1.0979999999999999e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities srt:ParentCompanyNANA1.402e-05NANANA1.321e-07NANANA1.3469999999999998e-07NANANA1.322e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:CapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities srt:SubsidiariesNANA1.274e-05NANANA1.195e-07NANANA1.223e-07NANANA1.2239999999999998e-07NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,asb:CommunityConsumerandBusinesssegment▁█115.732127.278NA115.833146.017151.262NA190.3188.796185.737NA187.113190.87177.579159.054158.819155.94153.798163.185165.854150.101149.353153.068153.088156.915151.701NANANANANANANANANANANANANANANANANANANANA
 EBT Margin us-gaap:ConsolidationItems,us-gaap:StatementBusinessSegments us-gaap:OperatingSegments,asb:CorporateandCommercialSpecialtysegment▁█138.348142.876NA136.376136.405135.943NA107.063109.904104.733NA112.56121.524108.641100.965104.634102.368101.38198.40796.1991.00590.77790.46289.58888.4688.304NANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType us-gaap:EmployeeStockOption▂▂▃▁▃▆▁▃▆▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▆▃▆▆▆▆▆▆█▆▆▃0.3520.4031.00.01.02.00.01.02.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.02.01.02.02.02.02.02.02.03.02.02.01.0NANANANANANANA
 us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType us-gaap:RestrictedStock█▁5.03.0NA3.03.09.0NA5.05.08.0NA4.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ComprehensiveIncomeNetOfTax ▆▅▅▄█▄▅▆▇▆▆▅▅▃▄▅▄▄▂▄▄▅▂▄▃▅▄▄▅▄▄▃▂▄▃▄▄▄▃▄▅▄▁▃▃▁98.08877.4975.62451.13163.77262.04675.873105.45128.972108.28399.53270.29876.97724.54141.5464.18360.85754.6051.40839.10960.37777.317-5.20162.2227.19476.32245.61337.98868.43657.86660.63433.553-20.11841.77627.92847.11944.61842.30917.41451.30767.99640.958-37.16419.92910.65-30.077
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments ▆▆▅▂█▄▅▅▅▅▆▅▅▅▅▅▅▅▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▂▁113.487118.90383.86-12.9199.95556.05689.467104.286103.678109.078113.839108.279103.94787.28589.8593.5977.91377.41478.40977.45470.52561.20858.47270.98971.19369.13467.49974.68568.02565.83661.60567.05470.49668.73860.03266.88764.18863.35250.0358.67643.99230.7295.71415.221-12.019-49.944
us-gaap:IncomeTaxExpenseBenefit ▆▆▆▁█▅▆▆▆▆▆▆▆▆▇▇▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▆▅▆▅▅▄▅▄▃22.4824.60216.858-58.11451.23810.21917.36420.94719.01722.39224.85422.34914.75417.82939.8428.58919.9321.14423.57623.63821.43418.67415.68121.55121.79322.46218.76124.47821.6620.63713.84721.39622.60821.3513.40420.49220.87120.7198.90517.3379.617.876-8.2940.917-9.24-23.555
us-gaap:IncomeTaxesPaidNet █▄▄▅▄▄▅▆▆▄▄▅▅▄▆▇▆▄▆▆▆▄▆▆▇▄▅▆▇▅▆▅▆▄▆▄▄▄▂▅▅▄▁▄▄▁54.293-0.1140.05214.3641.9451.3732.15217.0727.669-5.761.04.66111.7480.92619.49134.49826.4091.05222.43225.27426.6851.16725.43218.50240.4730.015.26418.534.5024.16519.59.28120.4190.022.328-10.5-11.525-10.025-28.35612.4655.0450.007-43.372-0.4140.063-50.0
us-gaap:InterestAndFeeIncomeLoansAndLeases ▃▃▄▃▄▆▆▇███▇▇▆▄▄▃▃▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂174.228174.049185.935182.625191.895224.786229.883248.579260.784258.853260.661249.649246.646220.034194.133196.972184.246173.649169.473167.35163.059159.656155.602155.663152.417151.945156.536152.03146.629143.387148.884146.219146.896145.527150.107149.647147.188149.023149.832145.778144.358142.771146.444148.937153.815159.291
us-gaap:InterestExpense ▂▂▂▃▃▅▆▇██▇▇▆▄▄▄▃▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▂▂▂▂▂▃▃▃▃▄▄▄19.74521.01823.68230.92534.97360.30368.96785.05492.51390.40181.98176.07264.84351.66143.31741.77233.78126.51521.4220.96919.82422.08219.95119.49719.13318.80316.33713.42312.92713.09114.33815.22516.17817.69919.01523.05424.31825.90529.45731.93534.52832.87138.23242.31245.08546.718
us-gaap:InterestExpenseLongTermDebt ▂▂▂▂▂▂▂▃▃▃▃▂▁▇▆▆▄▃▂▃▂▄▅▅▅▅▄▂▂▂▂▂▃▃▄▅▆▆▆▆▇▅▆▇▇█5.5755.5855.5855.585.5915.6045.9187.3967.3967.3967.3966.0954.54414.72213.02312.1879.957.9966.8757.2296.9239.50510.69210.64510.64210.8728.6446.1796.1466.5116.4996.8667.5518.4169.1411.73811.95612.04612.34713.25213.9911.04312.90514.58414.90515.947
us-gaap:InterestIncomeExpenseNet ▄▃▄▄▅▆▆▆▇▇█▇█▆▄▅▄▄▄▄▃▃▃▃▂▃▃▃▃▂▃▂▂▂▂▁▁▁▁▁▁▁▁▁▂▃179.515175.902187.993182.15189.872202.942200.142206.365213.619215.547223.955219.392226.362209.871187.005190.122183.819180.274180.035178.534176.717171.987171.468170.509166.488167.813174.661172.63168.703164.973167.199160.509160.182157.653161.455155.602154.267154.668151.825153.16154.123153.723150.86153.904159.793169.222
us-gaap:InterestPaidNet ▂▃▂▄▃▆▆███▇▆▆▅▄▄▃▃▂▂▂▃▁▃▁▂▁▂▁▂▁▂▁▂▁▃▂▃▂▄▃▄▃▃▅▅15.52429.25821.86839.49431.61366.31666.72787.64287.02991.52175.84973.48362.10650.28640.02340.84530.77526.53119.89822.05518.27528.04113.30327.62812.4819.6438.30419.0557.39319.5788.24222.31310.05124.94613.23929.88719.35135.46123.41840.78127.43138.0935.71126.74759.6853.638
us-gaap:MarketingAndAdvertisingExpense ▃▂▃▁▁▄▇▇▅▅█▇▆▅▇▆▆▄▅▃▅▇▆▄▅▃▇▆▃▃▇▄▃▂▃▃▃▃▅▄▄▃▃▂▃▂4.974.3955.4213.6263.5565.8268.3167.9916.6586.6368.958.2137.0676.6938.1957.7647.1525.8356.2985.2516.5918.2117.6525.9646.8295.3278.5387.4675.0775.0627.8345.9475.0284.5375.3955.0595.4685.3816.9045.5395.6524.9434.874.2974.7734.445
us-gaap:NetIncomeLoss ▆▆▅▄█▄▅▅▅▆▆▅▆▅▄▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▂▁91.00794.30167.00245.214148.71845.83872.10483.33984.66186.68688.98485.92989.19269.45650.0165.00157.98356.2754.83353.81649.09142.53442.79149.43849.446.67248.73850.20746.36545.19947.75845.65847.88847.38846.62846.39543.31742.63341.12541.33934.38222.85314.00814.304-2.779-26.389
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▆▆▅▄█▄▅▅▅▆▆▆▆▅▄▅▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▂▁86.13189.09461.79540.007144.57342.03768.30279.53980.8682.88585.27883.52186.86367.11747.67162.66255.64453.9452.48551.62846.92240.33640.59347.25447.85545.44447.51348.95245.08743.95546.48544.37346.58846.08845.32845.09542.01741.33339.82534.03425.5715.446.6086.915-10.156-33.754
us-gaap:OtherComprehensiveIncomeLossNetOfTax ▆▄▆▆▆▆▅▇█▇▆▄▄█▅▅▅▅▂▄▆▇▂▆▄▇▅▄▇▆▆▄▁▅▄▅▅▅▄▆7.082-16.8118.6235.91615.05416.2093.76922.11144.31121.59710.548-15.631-12.21544.915-8.47-0.8182.874-1.665-53.425-14.70711.28634.783-47.99212.782-22.20629.65-3.125-12.21922.07112.66712.876-12.105-68.006-5.612-18.70.7241.301-0.324-23.7119.968NANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService us-gaap:CreditAndDebitCard█▄▄▅▁▃▄▆▅▂▆▄▅▃10.9829.7439.84910.1958.8939.5979.90710.45610.1319.26110.3159.78310.1159.442NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService us-gaap:FinancialServiceOther▂▄▇▆▅▄▅▇█▁█▃▃▁4.2444.5964.9984.9684.7744.4974.6965.0855.1783.9835.2594.3074.2723.98NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Revenues ▂▂▃▂█▃▃▄▄▄▄▄▄▃▂▃▂▂▃▃▂▂▂▂▂▂▂▂▂▁▂▁▂▁▁▁▁▁▁▁▁▁▂▂▂252.957271.245273.707257.695444.362301.248293.076307.216309.457306.749308.002307.692319.204300.251271.549276.017266.229260.105272.324273.768258.885255.179253.364250.425253.009247.889244.304247.538240.95238.494243.072231.425244.492239.653239.36236.59230.218236.227234.131230.579224.646225.905241.649241.546246.266NA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:Assets ▇█▇██▇▆▇▇▇▇▇▇▇▅▅▅▅▅▅▅▄▄▄▄▄▄▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▂▂34152.62534575.25533419.78334698.74635501.46433908.05632386.47832596.4633272.62833700.86633647.85933489.00233652.64733366.50530483.59430064.54729769.02529109.85729139.31529152.76429038.69928178.86727715.02127467.24327185.14527068.7426821.77425653.82225727.78624806.19724226.9223688.67523616.94423277.76823487.73522738.35422081.121913.6721924.21721902.64922048.47521473.56521785.59622525.28622760.059NA
us-gaap:Liabilities ▇▇▇██▇▆▇▇▇▇▇▇▇▆▆▅▅▅▅▅▅▄▄▄▄▄▃▃▃▃▂▂▂▂▂▁▁▁▁▁▁▁30042.57330447.47429328.8530653.31331477.00730117.58428464.35528675.60529372.83529864.99629866.97129691.96329882.40329653.80627246.15126860.94626577.52325965.06326048.00326055.64926008.55225196.36924777.77524513.44624280.75424186.60224021.52322784.24422797.8421905.17321335.6320816.39320739.96820341.50320551.33619787.90219171.47919012.79719058.42319052.0319049.32718278.85118626.805NANANA
us-gaap:LiabilitiesAndStockholdersEquity ▇█▇██▇▆▇▇▇▇▇▇▇▅▅▅▅▅▅▅▄▄▄▄▄▄▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁34152.62534575.25533419.78334698.74635501.46433908.05632386.47832596.4633272.62833700.86633647.85933489.00233652.64733366.50530483.59430064.54729769.02529109.85729139.31529152.76429038.69928178.86727715.02127467.24327185.14527068.7426821.77425653.82225727.78624806.19724226.9223688.67523616.94423277.76823487.73522738.35422081.121913.6721924.21721902.64922048.47521473.56521785.596NANANA
us-gaap:StockholdersEquity ████▇▆▇▇▇▆▆▆▆▆▃▃▃▃▃▃▂▂▂▂▂▁▁▁▂▂▁▁▁▂▂▂▂▂▁▁▂▃▃▃▃▃4110.0524127.784090.9334045.4334024.4573790.4713922.1243920.8553899.7943835.873780.8883797.0383770.2443712.6993237.4433203.6013191.5023144.7943091.3123097.1153030.1472982.4982937.2462953.7972904.3912882.1382800.2512869.5782929.9462901.0242891.292872.2822876.9762936.2652936.3992950.4522909.6212900.8732865.7942850.6192999.1483194.7143158.7913200.8493186.1273180.509
 us-gaap:TierOneRiskBasedCapital us-gaap:ConsolidatedEntities srt:ParentCompanyNANA3058.809NANANA2736.776NANANA2705.939NANANA2331.245NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:TierOneRiskBasedCapital us-gaap:ConsolidatedEntities srt:SubsidiariesNANA2971.234NANANA2669.372NANANA2646.705NANANA2357.354NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities srt:ParentCompanyNANA55.432NANANA44.613NANANA54.619NANANA146.877NANANA402.786NANANA610.862NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents ▇█▂▄█▂▂▂▁▂▃▁▁1772.3791946.78716.0481113.6632012.691679.232588.744759.545557.078646.343876.698546.341471.373NA716.018NANANA642.233NANANA473.685NANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:PropertyPlantAndEquipmentGross NANA786.761NANANA795.846NANANA694.05NANANA653.323NANANA641.701NANANA553.83NANANA550.183NANANA553.811NANANA523.333NANANA481.767NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType asb:OperatingLeasesNANA46.632NANANA53.982NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingAndBuildingImprovementsNANA390.298NANANA394.191NANANA363.0NANANA341.947NANANA332.256NANANA261.418NANANA255.623NANANA248.394NANANA234.486NANANA210.81NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:ComputerEquipmentNANA52.846NANANA47.291NANANA45.768NANANA42.604NANANA42.19NANANA37.875NANANA35.929NANANA45.532NANANA43.482NANANA41.534NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:FurnitureAndFixturesNANA174.362NANANA176.023NANANA168.567NANANA161.699NANANA162.253NANANA159.094NANANA161.008NANANA162.746NANANA157.375NANANA145.985NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandNANA70.431NANANA69.649NANANA67.737NANANA59.257NANANA57.471NANANA52.104NANANA52.79NANANA50.668NANANA46.378NANANA44.581NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandImprovementsNANA18.488NANANA17.868NANANA14.73NANANA13.115NANANA12.572NANANA11.57NANANA10.903NANANA10.642NANANA9.973NANANA9.423NANANANANANANA
 us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType us-gaap:LeaseholdImprovementsNANA33.706NANANA36.842NANANA34.248NANANA34.701NANANA34.959NANANA31.769NANANA33.93NANANA35.829NANANA31.639NANANA29.434NANANANANANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA367.847NANANA360.562NANANA330.824NANANA322.36NANANA311.386NANANA286.224NANANA275.495NANANA282.921NANANA269.375NANANA258.031NANANANANANANA
 us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:PropertyPlantAndEquipmentByType asb:OperatingLeasesNANA14.638NANANA8.602NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:PropertyPlantAndEquipmentByType us-gaap:BuildingAndBuildingImprovementsNANA168.136NANANA163.833NANANA150.464NANANA143.516NANANA130.104NANANA119.986NANANA115.921NANANA117.622NANANA112.99NANANA110.564NANANANANANANA
 us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:PropertyPlantAndEquipmentByType us-gaap:ComputerEquipmentNANA38.128NANANA34.049NANANA33.375NANANA31.526NANANA33.139NANANA31.503NANANA28.411NANANA35.135NANANA32.054NANANA29.543NANANANANANANA
 us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:PropertyPlantAndEquipmentByType us-gaap:FurnitureAndFixturesNANA116.304NANANA122.681NANANA118.676NANANA119.65NANANA119.704NANANA109.3NANANA105.261NANANA104.487NANANA99.708NANANA95.093NANANANANANANA
 us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:PropertyPlantAndEquipmentByType us-gaap:LandImprovementsNANA8.716NANANA8.513NANANA7.518NANANA6.802NANANA5.929NANANA4.909NANANA4.295NANANA4.152NANANA3.561NANANA3.114NANANANANANANA
 us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:PropertyPlantAndEquipmentByType us-gaap:LeaseholdImprovementsNANA21.925NANANA22.884NANANA20.791NANANA20.866NANANA22.51NANANA20.526NANANA21.607NANANA21.525NANANA21.062NANANA19.717NANANANANANANA
us-gaap:AmortizationOfIntangibleAssets ▆▆▆▆███▇▆▆▆▆▆▄▁▁▁▁▁▁▁▁▁▂▂▂▂▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃2.2032.2362.2532.2532.8722.8142.7112.6862.3242.2262.2332.2332.1681.5250.50.450.4960.5130.5250.5250.5390.5040.520.8850.8880.8010.7750.990.9910.9911.0111.011.0111.0111.0491.0481.0491.0491.1791.1791.1781.1781.2061.2061.2541.253
us-gaap:PropertyPlantAndEquipmentNet ▇▇▇██████▆▆▆▆▆▅▅▅▅▅▅▅▅▃▃▃▃▃▃▃▃▃▃▃▃▃▂▂▂▂▂▁▁▁398.05398.671418.914422.222434.042438.469435.284436.268432.058361.668363.225358.926361.385381.327330.963330.065328.404332.884330.315329.726331.427331.711267.606271.119274.338274.591274.688272.283264.735269.257270.89265.636258.903254.674253.958238.756225.245225.164223.736208.301192.506186.329190.533NANANA
us-gaap:Goodwill ▆▆▆▆▆████▇▇▇▇▇▂▂▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁1104.9921104.9921109.31107.9021107.9021191.3881176.231176.231176.0191168.9441169.0231168.9221166.6651153.0976.239972.006972.0972.0971.951971.951971.951971.951968.844968.844968.844968.774929.168929.168929.168929.168929.168929.168929.168929.168929.168929.168929.168929.168929.168929.168929.168929.168929.168NANANA
us-gaap:IntangibleAssetsNetExcludingGoodwill ▅▅▆▆▆████▆▆▇▇▇▁▁▁▁▁▁▁▁▁▇▇▇▆▆▆▆▆▆▆▆▅▅▅▆▆▆▆▇▇62.49864.70168.25470.50772.75992.72388.30191.08993.91573.6175.83678.06980.34679.71415.5814.0814.5315.02615.37715.90216.42716.96616.45878.3879.05577.98467.58269.20170.53872.62974.46475.7374.61266.29461.17661.29464.81268.37467.57467.9774.87285.288.044NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:CoreDeposits▇▇▇██████▆▆▆▆▆▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▂62.49864.70166.90469.10771.30973.51268.27470.29272.3151.32252.77454.22755.67957.1320.00.00.00.0450.1120.1820.2530.3230.3930.4710.9131.3551.7972.3523.1233.8944.6655.4466.2267.0077.7878.5949.40110.20911.01611.93912.863NA14.71NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:OtherIntangibleAssetsNANA1.351.41.4519.020.02720.79721.60522.28823.06223.84324.66822.58215.5814.0814.5314.98115.26515.7216.17416.64316.06516.50716.9516.8965.645.866.0796.2996.5196.7496.9797.2097.447.6827.9238.1648.4068.6618.916NA9.425NANANA
 us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass us-gaap:ServicingContracts▁▁▃▆▇█56.10356.92759.96764.04366.73467.688NA68.58466.5666.987NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset ▁▁▁▃▄▆▆███31.60932.07131.99435.96339.67443.32145.38148.12748.11449.372NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EquitySecuritiesFvNi █▃▃▃▃▃▃▃▃▁▁3.02.02.02.02.02.02.02.02.01.6091.568NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:TimeDepositMaturitiesYearOne NANA1371.671NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:LongTermDebt NANA549.4651571.4181558.698549.6443210.31796.799796.403796.0073469.982795.215497.6193233.3383397.453147.2853262.122761.9552761.7952761.6353511.4752861.3162679.352679.5423179.7343429.9253930.1172931.5472931.8092932.043087.267614.568614.822915.0631015.3461305.4221150.7291176.7361177.0711477.4081484.1741484.1771413.605NANANA
 us-gaap:LongTermDebt us-gaap:ConsolidatedEntities srt:ParentCompanyNANA248.867NANANA248.572NANANA497.957NANANA497.282NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:DebtInstrument asb:LongTermFundingMaturityOneYearToTwoYearsDomainNANA0.967NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:DebtInstrument asb:LongTermFundingMaturityWithinOneYearDomainNANA299.631NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:DebtInstrument asb:LongTermFundingMaturityYearFourToYearFiveDomainNANA248.867NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:LongTermDebt us-gaap:FairValueByFairValueHierarchyLevel us-gaap:FairValueInputsLevel2NANA549.465549.201548.937549.644549.343796.799796.4033720.7763469.9823722.874925.4763233.3383397.453147.2853262.122761.9552761.7952761.6353511.4752861.3162676.164NANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanType us-gaap:OtherPostretirementBenefitPlansDefinedBenefitNANA2.055NANANA2.33NANANA2.304NANANA2.245NANANA2.188NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo ▁▁▄█6.056.016.7917.801NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree ▁▁▇█5.2745.2745.5255.559NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour ▁▁██4.114.114.764.793NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA3.818NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA10.792NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:StockholdersEquity ████▇▆▇▇▇▆▆▆▆▆▃▃▃▃▃▃▂▂▂▂▂▁▁▁▂▂▁▁▁▂▂▂▂▂▁▁▂▃▃▃▃▃4110.0524127.784090.9334045.4334024.4573790.4713922.1243920.8553899.7943835.873780.8883797.0383770.2443712.6993237.4433203.6013191.5023144.7943091.3123097.1153030.1472982.4982937.2462953.7972904.3912882.1382800.2512869.5782929.9462901.0242891.292872.2822876.9762936.2652936.3992950.4522909.6212900.8732865.7942850.6192999.1483194.7143158.7913200.8493186.1273180.509
us-gaap:CommonStockValue █████████████▇▁▁▂▂▂▂▂▂▂▂▂▄▄▆██████████████▇1.7521.7521.7521.7521.7521.7521.7521.7521.7521.7521.7521.7521.7511.7411.6181.6151.631.631.631.631.631.631.6421.6421.6421.6741.6651.7191.751.751.751.751.751.751.751.751.751.751.7461.7461.7451.7441.739NANANA
us-gaap:AdditionalPaidInCapitalCommonStock ▆▆▆▆▆▆▆▆▆▅▆███▁▁▂▁▁▁▁▁▁▁▁▂▂▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃1708.2461706.7861720.3291717.1861712.9781706.5161716.4311713.9711695.7151689.7921712.6151834.0171828.9651823.81454.1881442.3281474.3011469.7441459.4981459.1611453.2851447.3681458.5221455.0341450.21505.171484.9331583.0321628.3561623.3231617.991614.5161610.2431605.9661602.1361599.071594.9951590.3361586.4011585.2081581.5941576.9031573.372NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ██▇▇▇▇▇▇▇▆▆▅▅▅▅▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁2576.7662520.1442458.922424.9922412.8592296.1762380.8672341.1582288.9092235.8242181.4141977.9251920.5791859.0681819.231792.1841747.6321709.5141695.7641662.7781629.9151599.8351593.2391570.1991538.6841509.9671497.8181466.5251432.5181402.5491392.5081361.4981330.7371297.6921281.8111250.1891213.7351181.2471148.7731111.081079.0761055.3441041.666NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▅▅▆▅▅▅▄▄▃▂▁▁▁▂▃▄▄▃▄▅▆▅▄▆▅▆▅▅▆▅▄▄▄▇▇▇▇▇▇██▇▆2.889-4.19312.6183.995-1.92-16.974-33.183-36.953-59.063-103.375-124.972-135.52-119.888-107.673-62.758-54.288-53.47-56.344-54.679-1.25413.4532.167-32.61615.3762.59424.8-4.85-1.72510.494-11.577-24.244-37.12-25.01542.99148.60367.30366.57965.27865.60289.31379.34545.73127.626NANANA
us-gaap:TreasuryStockValue ██████▇▆▅▅▅▃▁▁▃▃▃▃▄▄▄▄▄▄▄▄▅▅▄▄▃▃▃▂▂▁▁▁▁469.801450.222456.198456.129455.057453.714400.46355.791284.235244.84246.638137.85220.56424.089134.764138.167138.52139.679170.83185.129188.337188.849204.92209.833210.744219.2239.042240.997204.196176.179158.576131.099104.01175.40661.17331.13230.711.010.0NA0.6630.2460.0NANANA
us-gaap:StockIssuedDuringPeriodValueNewIssues NANANA-0.20897.129NANANANANANANANANANANANANA194.132NANANA0.0NANANANANANANANANANANANANANANANANANANA0.00.00.0478.358
 us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents us-gaap:PreferredStockNANANA-0.20897.129NANANANANANANANANANANANANA194.132NANANA0.0NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue █▁5.0923.444NA3.5024.93910.744NA5.6966.1349.3974.3154.624.4973.6754.3674.1934.3238.3443.9244.8375.1448.0663.6273.6965.1055.7743.6293.9944.0564.4123.4723.7973.8093.7623.8383.9824.1453.7942.32.952.8272.9472.2672.2722.2212.276
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInOperatingActivities ▃▄▃▄▆▁▃█▃▁▅▄▃▂▄▂▃▄▅▆▃▂▃▃▃▂72.434157.768126.96136.94306.203-20.083104.274399.51684.072-13.602193.824186.20973.44143.093142.08717.774128.754169.753221.273302.39282.90522.37277.739124.87987.81511.311NANA42.85173.665115.707178.39559.749133.41232.50682.221123.992111.76567.125-30.35475.733197.283152.725104.725128.311120.193
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▄▇▃▃▁▄▆█▄▄▅▄▃▃▃▁▄▄▃▂▂▃▃▂▃261.41-12.354778.888-250.255-394.863-927.50735.815613.3891130.76-162.5182.826133.153-166.515-350.336-212.653-302.097-841.68-40.428-174.621-225.969-713.859-526.133-261.208-430.32-508.846-333.982NANA-869.194-588.331-813.16673.223-293.35-219.941-980.183-315.73-348.24310.434-103.878-180.796-261.65173.788-1147.026162.383516.2431085.17
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▇▁▂█▇▄▂▁▄▅▄▅▄▅▅▆▄▄▄▆▅▅▅▅▅-508.2451085.319-1303.464-785.7131422.1181038.079-310.89-810.439-1304.096-54.235133.705-244.394131.26924.403294.957206.124593.284-82.09-14.72656.004733.426405.484246.94198.86390.476137.951NANA849.172535.843470.53422.583361.168-223.942732.258588.191110.885-26.818-12.124-218.135481.526-340.084-676.254-277.804-397.771276.575
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect ▁█-174.41230.732NA-899.0291333.45990.488NA202.465-89.264-230.355NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet ▄▃▆▆▂▄█▃▃▆█▁▄▆▄▅▆▆▃▃▄█▅▄▅▆▄▄▆▅▆▂▄▆▄▄▅▅▅▄▃▄▄▆▃▄-13.464-23.01216.25520.225-50.114-18.63649.068-30.694-29.98523.54153.934-62.978-16.30728.114-17.3856.23219.11819.532-21.339-26.412-20.32446.167.021-16.327-3.23923.058-11.358-17.34413.5126.16523.842-42.609-15.24915.337-9.02-14.0781.0352.602-3.438-17.897-32.047-9.137-8.69515.026-35.331-16.464
us-gaap:NetCashProvidedByUsedInOperatingActivities ▃▄▃▄▆▁▃█▃▁▅▄▃▂▄▂▃▄▅▆▃▂▃▃▃▂72.434157.768126.96136.94306.203-20.083104.274399.51684.072-13.602193.824186.20973.44143.093142.08717.774128.754169.753221.273302.39282.90522.37277.739124.87987.81511.311NANA42.85173.665115.707178.39559.749133.41232.50682.221123.992111.76567.125-30.35475.733197.283152.725104.725128.311120.193
us-gaap:NetIncomeLoss ▆▆▅▄█▄▅▅▅▆▆▅▆▅▄▅▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▃▃▃▃▂▁91.00794.30167.00245.214148.71845.83872.10483.33984.66186.68688.98485.92989.19269.45650.0165.00157.98356.2754.83353.81649.09142.53442.79149.43849.446.67248.73850.20746.36545.19947.75845.65847.88847.38846.62846.39543.31742.63341.12541.33934.38222.85314.00814.304-2.779-26.389
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInInvestingActivities ▅▄▇▃▃▁▄▆█▄▄▅▄▃▃▃▁▄▄▃▂▂▃▃▂▃261.41-12.354778.888-250.255-394.863-927.50735.815613.3891130.76-162.5182.826133.153-166.515-350.336-212.653-302.097-841.68-40.428-174.621-225.969-713.859-526.133-261.208-430.32-508.846-333.982NANA-869.194-588.331-813.16673.223-293.35-219.941-980.183-315.73-348.24310.434-103.878-180.796-261.65173.788-1147.026162.383516.2431085.17
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
us-gaap:NetCashProvidedByUsedInFinancingActivities ▃▇▁▂█▇▄▂▁▄▅▄▅▄▅▅▆▄▄▄▆▅▅▅▅▅-508.2451085.319-1303.464-785.7131422.1181038.079-310.89-810.439-1304.096-54.235133.705-244.394131.26924.403294.957206.124593.284-82.09-14.72656.004733.426405.484246.94198.86390.476137.951NANA849.172535.843470.53422.583361.168-223.942732.258588.191110.885-26.818-12.124-218.135481.526-340.084-676.254-277.804-397.771276.575
us-gaap:PaymentsOfDividendsCommonStock ███████████▇▇▇▆▅▅▅▅▅▅▅▅▄▅▅▅▄▄▄▄▄▄▄▄▃▃▃▁▁▁▁▁▁▁▁27.82327.8727.86727.87527.88928.39228.55627.28927.77628.18328.08825.61426.10725.7121.35918.25418.43618.36818.21316.60816.62516.40916.80115.09115.22815.2815.41114.12414.53614.63914.76813.26613.47413.48313.6258.638.6448.7351.7461.7441.7451.7421.7381.7381.7361.736
 us-gaap:PaymentsForRepurchaseOfCommonStock us-gaap:AwardType asb:PerformanceServiceBasedRSAsRSA▂▄▁▁▁▆▁▁▂█0.8573.5930.1030.462-0.0075.5550.0990.1940.8317.468NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:PaymentsForRepurchaseOfCommonStock us-gaap:ShareRepurchaseProgram asb:BoardAuthorizedPurchaseProgram▄▃▁▁▁█▆▇▅▄29.97217.9730.00.00.071.25547.88459.99939.60229.999NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument asb:FinanceLeasesNANA1e-06NANANA3.99e-08NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument asb:PaycheckProtectionProgramNANANA3.5e-073.5e-09NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1.7521.7521.7521.7521.7521.7521.7521.7521.7521.7521.7521.7521.7511.7411.6181.6151.631.631.631.631.631.631.6421.6421.6421.6741.6651.7191.751.751.751.751.751.751.751.751.751.751.7461.7461.7451.7441.7391.284
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value3737366535243077
Percentage of CommonStockValue213323.1209212.7201151.3190204.8
Percentage of Assets11.211.310.510.1
Percentage of Assets srt:ParentCompany84.786.981.180.3

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStock


Common
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value175175175161163164166175175174173128128
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Diluted Shares Outstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value153153153153155160163165172173166152154153149149149149151151156160162165166168171172173173173173172172165
Percentage of WeightedAverageNumberOfDilutedSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Weighted Average Number Of Shares Outstanding Basic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value152152152152154159162163170170163150151150148148148148149150155159161164166168171172173173173173172172165
Percentage of WeightedAverageNumberOfSharesOutstandingBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecurities

us-gaap:AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

us-gaap:EmployeeStockOption


Antidilutive
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-30
Value3000000.03000000.08000000.08000000.04000000.03000000.04000000.03000000.01400000.01500000.01000000.01000000.01000000.0500000.04000000.04000000.0
Percentage of AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Basic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareBasic


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.560.580.40.260.940.270.440.50.490.50.520.490.510.410.320.410.360.360.350.340.310.270.270.310.320.30.310.310.280.270.280.270.280.270.260.260.240.240.230.20.150.090.040.04-0.06-0.2
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Earnings Per Share Diluted

us-gaap:EarningsPerShareDiluted

us-gaap:EarningsPerShareDiluted


Earnings
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.560.580.40.260.940.270.430.490.490.50.510.480.50.40.310.410.360.350.340.340.310.270.270.310.310.30.310.310.280.270.280.270.280.270.260.260.240.240.230.20.150.090.040.04-0.06-0.2
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Tier One Risk Based Capital To Risk Weighted Assets

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets

srt:ParentCompany


Tier
Period End2020-12-312019-12-312018-12-312017-12-31
Value11.810.11260.11330.1082
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets100.0100.0100.0100.0

srt:Subsidiaries


Tier
Period End2020-12-312019-12-312018-12-312017-12-31
Value11.490.11030.11130.1098
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets97.398.098.2101.5

Capital To Risk Weighted Assets

us-gaap:CapitalToRiskWeightedAssets us-gaap:ConsolidatedEntities

us-gaap:CapitalToRiskWeightedAssets

srt:ParentCompany


Capital
Period End2020-12-312019-12-312018-12-312017-12-31
Value14.020.13210.13470.1322
Percentage of CapitalToRiskWeightedAssets100.0100.0100.0100.0

srt:Subsidiaries


Capital
Period End2020-12-312019-12-312018-12-312017-12-31
Value12.740.11950.12230.1224
Percentage of CapitalToRiskWeightedAssets90.990.590.892.6

Allocated Share Based Compensation Expense

us-gaap:AllocatedShareBasedCompensationExpense us-gaap:AwardType

us-gaap:AllocatedShareBasedCompensationExpense

us-gaap:EmployeeStockOption


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value0.3520.4031.00.01.02.00.01.02.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.02.01.02.02.02.02.02.02.03.02.02.01.0
Percentage of AllocatedShareBasedCompensationExpense100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating0.20.20.50.00.40.80.00.30.70.30.30.30.30.40.40.40.50.50.50.50.50.50.50.50.50.50.51.10.61.11.11.11.11.11.11.71.11.10.6
Percentage of InterestAndDividendIncomeOperating us-gaap:EmployeeStockOption0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RestrictedStock


Allocated
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value5.03.03.03.09.05.05.08.04.0
Percentage of AllocatedShareBasedCompensationExpense1420.5744.40.0300.0450.0500.0250.0800.0400.0
Percentage of InterestAndDividendIncomeOperating2.51.51.41.33.41.71.62.61.4
Percentage of InterestAndDividendIncomeOperating us-gaap:RestrictedStock0.00.00.00.00.00.00.00.00.0

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value98777551163627510512810899707624416460541.408396077-5.201622776453768576033-20.118412747444217516740-37.1641910-30.077
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating49.239.435.724.072.823.628.236.242.135.432.523.826.49.418.027.728.026.40.719.630.739.8-2.732.714.740.923.920.437.732.533.419.1-11.423.815.526.425.023.49.627.736.022.0-19.710.25.2-13.9

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value11311883-12.9199568910410310911310810387899377777877706158707169677468656167706860666463505843305.71415-12.019-49.944
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating57.060.439.6-6.188.921.333.235.833.935.737.236.635.733.439.040.435.837.438.938.835.931.530.537.438.437.035.340.137.537.033.938.240.039.233.337.435.935.127.631.723.316.53.07.8-5.9-23.1

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, asb:CommunityConsumerandBusinesssegment


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value12247.9751829474549424745243324332532212120242426
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments11.420.9-61.89.253.045.643.845.739.045.652.127.435.832.042.932.941.931.035.835.534.935.038.0
Percentage of InterestAndDividendIncomeOperating6.512.63.78.111.316.314.816.314.316.317.410.714.511.516.112.816.311.111.310.913.013.414.1
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments asb:CommunityConsumerandBusinesssegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, asb:CorporateandCommercialSpecialtysegment


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value6567687170545652596858505551524747384343414344
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments57.756.9-532.235.9125.252.754.648.155.066.067.456.759.366.167.661.260.954.971.374.658.461.364.1
Percentage of InterestAndDividendIncomeOperating32.934.332.232.026.718.918.517.120.123.622.522.123.923.725.323.823.619.722.522.821.823.523.7
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments asb:CorporateandCommercialSpecialtysegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, asb:RiskManagementandSharedSeriviesSegment


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value3526-89.535109-43.8381.791.6976.9056.599-12.111-16.977144.6041.499-8.1024.662-2.1199.884-4.343-5.9014.7812.621-1.441
Percentage of IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments30.922.2694.154.9-78.21.71.66.36.1-11.7-19.515.94.91.9-10.55.9-2.714.0-7.1-10.16.73.7-2.1
Percentage of InterestAndDividendIncomeOperating17.613.4-42.048.8-16.70.60.62.32.2-4.2-6.56.22.00.7-3.92.3-1.15.0-2.2-3.12.51.4-0.8
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments asb:RiskManagementandSharedSeriviesSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Tax Expense Benefit

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxExpenseBenefit


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value222416-58.114511017201922242214173928192123232118152121221824212013212221132020208.905179.617.876-8.2940.917-9.24-23.555
Percentage of IncomeTaxExpenseBenefit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating11.312.58.0-27.322.83.96.57.26.27.38.17.65.16.817.312.39.210.211.711.810.99.68.211.311.712.09.813.211.911.67.612.212.812.27.411.511.711.54.99.45.14.2-4.40.5-4.5-10.9

us-gaap:IncomeTaxExpenseBenefit us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, asb:CommunityConsumerandBusinesssegment


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value2.715.2151.6753.8436.2429.9829.54108.8619.9629.5498.625118.727119.025117.6627.677.2748.6678.7289.19
Percentage of IncomeTaxExpenseBenefit12.121.2-2.97.561.147.750.246.639.667.553.621.641.143.854.938.348.035.741.146.440.240.040.9
Percentage of InterestAndDividendIncomeOperating1.42.60.81.72.43.43.13.43.03.43.73.75.14.05.64.55.73.94.03.84.64.74.9
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments asb:CommunityConsumerandBusinesssegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, asb:CorporateandCommercialSpecialtysegment


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value11121213139.671010121311181916171614131414131515
Percentage of IncomeTaxExpenseBenefit53.151.4-21.726.2128.446.257.144.754.191.264.146.666.782.183.570.663.161.378.194.564.869.168.4
Percentage of InterestAndDividendIncomeOperating6.06.45.96.05.03.33.53.34.14.64.48.18.27.58.58.37.56.77.57.77.38.18.2
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments asb:CorporateandCommercialSpecialtysegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, asb:RiskManagementandSharedSeriviesSegment


Income
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value7.8236.737-72.38933-9.1491.295-1.3871.9471.39-8.661-3.14612-2.217-5.16-8.123-2.087-2.620.635-3.575-6.409-1.071-1.996-2.096
Percentage of IncomeTaxExpenseBenefit34.827.4124.666.3-89.56.2-7.38.76.2-58.7-17.631.7-7.8-25.9-38.4-8.9-11.13.0-19.1-40.9-5.0-9.2-9.3
Percentage of InterestAndDividendIncomeOperating3.93.4-34.015.1-3.50.4-0.50.60.5-3.0-1.25.5-1.0-2.4-3.9-1.0-1.30.3-1.8-3.3-0.6-1.1-1.1
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments asb:RiskManagementandSharedSeriviesSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value54-0.1140.052141.9451.3732.1521727-5.761.04.661110.9261934261.0522225261.1672518400.01518344.165199.281200.022-10.5-11.525-10.025-28.356125.0450.007-43.372-0.4140.063-50.0
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating27.2-0.10.06.70.90.50.85.99.0-1.90.31.64.00.48.514.912.10.511.112.713.60.613.39.721.80.08.09.919.02.310.75.311.60.012.4-5.9-6.5-5.6-15.66.72.70.0-22.9-0.20.0-23.2

Interest And Fee Income Loans And Leases

us-gaap:InterestAndFeeIncomeLoansAndLeases

us-gaap:InterestAndFeeIncomeLoansAndLeases


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value174174185182191224229248260258260249246220194196184173169167163159155155152151156152146143148146146145150149147149149145144142146148153159
Percentage of InterestAndFeeIncomeLoansAndLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating87.488.487.885.785.385.485.485.385.284.685.284.584.784.184.384.984.784.084.183.983.082.381.381.982.181.482.081.780.780.582.083.283.383.083.283.882.482.582.778.876.576.577.475.975.173.8

Interest Expense

us-gaap:InterestExpense

us-gaap:InterestExpense


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value19212330346068859290817664514341332621201922191919181613121314151617192324252931343238424546
Percentage of InterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating9.910.711.214.515.622.925.629.230.229.526.825.722.319.818.818.015.512.810.610.510.111.410.410.310.310.18.67.27.17.47.98.79.210.110.512.913.614.316.217.318.317.620.221.622.021.6

Interest Expense Long Term Debt

us-gaap:InterestExpenseLongTermDebt

us-gaap:InterestExpenseLongTermDebt


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5.5755.5855.5855.585.5915.6045.9187.3967.3967.3967.3966.0954.5441413129.957.9966.8757.2296.9239.505101010108.6446.1796.1466.5116.4996.8667.5518.4169.141111121213131112141415
Percentage of InterestExpenseLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating2.82.82.62.62.52.12.22.52.42.42.42.11.65.65.75.34.63.93.43.63.54.95.65.65.75.84.53.33.43.73.63.94.34.85.16.66.76.76.87.27.45.96.87.47.37.4

Interest Income Expense Net

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestIncomeExpenseNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value179175187182189202200206213215223219226209187190183180180178176171171170166167174172168164167160160157161155154154151153154153150153159169
Percentage of InterestIncomeExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating90.189.388.885.584.477.174.470.869.870.573.274.377.780.281.282.084.587.289.489.589.988.689.689.789.789.991.492.892.992.692.191.390.889.989.587.186.485.783.882.781.782.479.878.478.078.4

us-gaap:InterestIncomeExpenseNet us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, asb:CommunityConsumerandBusinesssegment


Interest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value706873737481848891114103919090889287848587888786
Percentage of InterestIncomeExpenseNet39.138.840.438.536.939.539.740.941.650.649.348.847.849.049.351.548.948.149.850.851.752.551.5
Percentage of InterestAndDividendIncomeOperating35.234.734.632.528.528.027.728.830.939.439.639.739.241.443.046.043.743.244.145.546.447.146.3
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments asb:CommunityConsumerandBusinesssegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, asb:CorporateandCommercialSpecialtysegment


Interest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value9393929811311011511511310795859289898583807979787675
Percentage of InterestIncomeExpenseNet52.053.050.552.055.953.854.153.851.647.445.745.748.648.949.647.746.845.346.046.645.945.745.1
Percentage of InterestAndDividendIncomeOperating46.947.343.244.043.138.137.837.938.336.936.737.139.841.343.242.641.940.740.841.841.241.040.6
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments asb:CorporateandCommercialSpecialtysegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, asb:RiskManagementandSharedSeriviesSegment


Interest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1514161714131311144.41310106.8143.8171.9581.5297.693117.2184.3434.0172.9485.765
Percentage of InterestIncomeExpenseNet8.98.29.09.47.26.76.15.46.71.94.95.53.62.11.10.84.36.64.22.52.41.83.4
Percentage of InterestAndDividendIncomeOperating8.07.37.78.05.54.84.33.85.01.54.04.42.91.80.90.83.95.93.72.32.11.63.1
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments asb:RiskManagementandSharedSeriviesSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value15292139316666878791757362504040302619221828132712198.304197.393198.242221024132919352340273835265953
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating7.814.910.318.514.125.224.830.128.429.924.824.921.319.217.417.614.112.89.911.19.314.46.914.56.710.54.310.24.111.04.512.75.714.27.316.710.819.612.922.014.520.418.913.629.124.8

Marketing And Advertising Expense

us-gaap:MarketingAndAdvertisingExpense

us-gaap:MarketingAndAdvertisingExpense


Marketing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.974.3955.4213.6263.5565.8268.3167.9916.6586.6368.958.2137.0676.6938.1957.7647.1525.8356.2985.2516.5918.2117.6525.9646.8295.3278.5387.4675.0775.0627.8345.9475.0284.5375.3955.0595.4685.3816.9045.5395.6524.9434.874.2974.7734.445
Percentage of MarketingAndAdvertisingExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating2.52.22.61.71.62.23.12.72.22.22.92.82.42.63.63.33.32.83.12.63.44.24.03.13.72.94.54.02.82.84.33.42.92.63.02.83.13.03.83.03.02.62.62.22.32.1

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value91946745148457283848688858969506557565453494242494946485046454745474746464342414134221414-2.779-26.389
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating45.747.931.721.266.117.426.828.627.728.329.129.130.626.621.728.026.627.227.227.025.021.922.426.026.625.025.527.025.525.426.326.027.227.025.826.024.323.622.722.318.212.27.47.3-1.4-12.2

us-gaap:NetIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, asb:CommunityConsumerandBusinesssegment


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value10196.31423373539333735162116211621141413161617
Percentage of NetIncomeLoss11.220.813.99.751.245.142.445.438.842.051.732.033.528.038.330.639.229.033.531.632.632.836.6
Percentage of InterestAndDividendIncomeOperating5.110.03.06.48.912.911.712.911.312.913.77.09.47.410.48.310.67.27.37.18.58.79.1
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments asb:CommunityConsumerandBusinesssegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, asb:CorporateandCommercialSpecialtysegment


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value5354565857454542475547323635343132252928272828
Percentage of NetIncomeLoss58.958.3124.039.3124.554.454.049.055.261.968.264.656.060.661.657.159.952.268.367.255.657.862.0
Percentage of InterestAndDividendIncomeOperating26.927.926.326.021.715.514.913.916.018.918.114.015.716.116.815.516.213.015.015.014.515.415.5
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments asb:CorporateandCommercialSpecialtysegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, asb:RiskManagementandSharedSeriviesSegment


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value2719-17.14675-34.6890.4953.0844.9585.209-3.45-13.8311.6616.8216.6590.0216.7490.5019.249-0.7680.5085.8524.6170.655
Percentage of NetIncomeLoss29.920.9-37.951.0-75.70.63.65.76.1-3.9-19.93.310.511.50.012.30.918.8-1.81.211.89.31.4
Percentage of InterestAndDividendIncomeOperating13.710.0-8.033.7-13.20.21.01.61.8-1.2-5.30.72.93.10.03.40.34.7-0.40.33.12.50.4
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments asb:RiskManagementandSharedSeriviesSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value919467451484583848688858969506557565453494242494946485046454745474746464342414134221414-2.779-26.389
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating45.747.931.721.266.117.428.627.728.329.129.130.626.621.728.026.627.227.227.025.021.922.426.026.625.025.527.025.525.426.326.027.227.025.826.024.323.622.722.318.212.27.47.3-1.4-12.2
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Income Loss Available To Common Stockholders Basic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value86896140144426879808285838667476255535251464040474745474845434644464645454241393425156.6086.915-10.156-33.754
Percentage of NetIncomeLossAvailableToCommonStockholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating43.245.229.218.864.316.025.427.326.427.127.928.329.825.720.727.025.626.126.125.923.920.821.224.925.824.424.926.324.824.725.625.326.426.325.125.223.522.922.018.413.68.33.53.5-5.0-15.6

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:OtherComprehensiveIncomeLossNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-30
Value7.082-16.8118.6235.91615163.76922442110-15.631-12.21544-8.47-0.8182.874-1.665-53.425-14.7071134-47.99212-22.20629-3.125-12.219221212-12.105-68.006-5.612-18.70.7241.301-0.324-23.7119.968
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating3.6-8.54.12.86.76.21.47.614.57.13.4-5.3-4.217.2-3.7-0.41.3-0.8-26.5-7.45.717.9-25.16.7-12.015.9-1.6-6.612.27.17.1-6.9-38.6-3.2-10.40.40.7-0.2-13.15.4

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0.760.766.7410.5730.5730.577110.1440.020.02-20.768-0.340.318-4.9159.3790.3580.2790.279-2.4720.3350.3060.306-10.7830.3960.3370.337
Percentage of OtherComprehensiveIncomeLossNetOfTax10.7-4.578.29.73.83.6317.70.70.00.1-196.92.2-2.6-10.9-110.7-43.89.7-16.84.6-2.32.70.922.53.1-1.51.1
Percentage of InterestAndDividendIncomeOperating0.40.43.20.30.30.24.40.00.00.0-6.8-0.10.1-1.94.10.20.10.1-1.20.20.20.2-5.60.20.20.2
Percentage of InterestAndDividendIncomeOperating us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value6.322-17.5711.8825.3421415-8.2052144213115-12.533-40.0-17.849-1.1762.595-1.944-50.953-15.0421034-37.20912-22.54329
Percentage of OtherComprehensiveIncomeLossNetOfTax89.3104.521.890.396.296.4-217.799.3100.099.9296.9-102.2102.6-89.1210.7143.890.3116.895.4102.397.399.177.596.9101.598.9
Percentage of InterestAndDividendIncomeOperating3.2-8.90.92.56.45.9-3.07.514.57.110.25.4-4.3-15.3-7.7-0.51.2-0.9-25.3-7.55.617.8-19.46.5-12.115.7
Percentage of InterestAndDividendIncomeOperating us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value7.082-16.8118.6235.91615163.769224421101512-44.915-8.47-0.8182.874-1.665-53.425-14.7071134-47.99212-22.20629-3.125-12.219221212-12.105-68.006-5.612-18.70.7241.301-0.324-23.711
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0-100.0-100.0-100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating3.6-8.54.12.86.76.21.47.614.57.13.45.34.2-17.2-3.7-0.41.3-0.8-26.5-7.45.717.9-25.16.7-12.015.9-1.6-6.612.27.17.1-6.9-38.6-3.2-10.40.40.7-0.2-13.1
Percentage of InterestAndDividendIncomeOperating us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenue From Contract With Customer Including Assessed Tax

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax us-gaap:ProductOrService

us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax

us-gaap:CreditAndDebitCard


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value109.7439.849108.8939.5979.90710109.261109.783109.442
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating5.54.94.74.84.03.63.73.63.33.03.43.33.53.6
Percentage of InterestAndDividendIncomeOperating us-gaap:CreditAndDebitCard0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FinancialServiceOther


Revenue
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.2444.5964.9984.9684.7744.4974.6965.0855.1783.9835.2594.3074.2723.98
Percentage of RevenueFromContractWithCustomerIncludingAssessedTax38.647.250.748.753.746.947.448.651.143.051.044.042.242.2
Percentage of InterestAndDividendIncomeOperating2.12.32.42.32.11.71.71.71.71.31.71.51.51.5
Percentage of InterestAndDividendIncomeOperating us-gaap:FinancialServiceOther0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Revenues

us-gaap:Revenues

us-gaap:Revenues


Revenues
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value252271273257444301293307309306308307319300271276266260272273258255253250253247244247240238243231244239239236230236234230224225241241246
Percentage of Revenues100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating126.9137.7129.3120.9197.6114.4108.9105.4101.1100.3100.7104.1109.6114.8117.9119.0122.3125.8135.2137.2131.7131.5132.4131.8136.3132.8127.9133.0132.7133.9133.9131.7138.6136.7132.6132.4128.9130.8129.2124.6119.1121.1127.8123.1120.2

us-gaap:Revenues us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, asb:CommunityConsumerandBusinesssegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value115127115146151190188185187190177159158155153163165150149153153156151
Percentage of Revenues45.846.944.932.950.261.961.060.660.859.859.158.657.558.659.159.960.658.058.560.461.162.061.2
Percentage of InterestAndDividendIncomeOperating58.164.654.464.957.565.361.760.763.365.567.969.168.571.774.481.083.176.477.080.080.684.581.3
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments asb:CommunityConsumerandBusinesssegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, asb:CorporateandCommercialSpecialtysegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value1381421361361351071091041121211081001041021019896919090898888
Percentage of Revenues54.752.752.930.745.134.835.534.136.638.136.237.237.938.539.036.135.135.235.635.735.835.035.6
Percentage of InterestAndDividendIncomeOperating69.472.664.060.751.636.735.934.238.141.741.543.845.147.049.048.848.246.346.847.347.247.747.3
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments asb:CorporateandCommercialSpecialtysegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, asb:RiskManagementandSharedSeriviesSegment


Revenuesus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-1.1231.0915.487161149.85210168.0196.8121411127.9214.926101117159.9877.8987.5957.621
Percentage of Revenues-0.40.42.136.44.73.23.55.32.62.14.74.24.63.01.93.94.36.95.93.93.23.03.1
Percentage of InterestAndDividendIncomeOperating-0.60.62.672.05.33.43.55.32.72.35.45.05.43.62.45.35.99.07.85.24.24.14.1
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments asb:RiskManagementandSharedSeriviesSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302009-12-31
Value34152345753341934698355013390832386325963327233700336473348933652333663048330064297692910929139291522903828178277152746727185270682682125653257272480624226236882361623277234872273822081219132192421902220482147321785225252276022874
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Assets us-gaap:ConsolidatedEntities

srt:ParentCompany


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value4413421743433831
Percentage of Assets13.213.012.912.6
Percentage of Assets13.213.012.912.6
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Liabilities

us-gaap:Liabilities

us-gaap:Liabilities


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3004230447293283065331477301172846428675293722986429866296912988229653272462686026577259652604826055260082519624777245132428024186240212278422797219052133520816207392034120551197871917119012190581905219049182781862620135
Percentage of Liabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets88.088.187.888.388.788.887.988.088.388.688.888.788.888.989.489.389.389.289.489.489.689.489.489.289.389.489.688.888.688.388.187.987.887.487.587.086.886.886.987.086.485.185.588.0

us-gaap:Liabilities us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilitiesus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value322295562594
Percentage of Liabilities1.11.01.92.2
Percentage of Assets1.00.91.71.9
Percentage of Assets srt:ParentCompany7.37.012.915.5

Liabilities And Stockholders Equity

us-gaap:LiabilitiesAndStockholdersEquity

us-gaap:LiabilitiesAndStockholdersEquity


Liabilities
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value3415234575334193469835501339083238632596332723370033647334893365233366304833006429769291092913929152290382817827715274672718527068268212565325727248062422623688236162327723487227382208121913219242190222048214732178522874
Percentage of LiabilitiesAndStockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LiabilitiesAndStockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Liabilities
Period End2020-12-312019-12-312018-12-312017-12-31
Value4413421743433831
Percentage of LiabilitiesAndStockholdersEquity13.213.012.912.6
Percentage of Assets13.213.012.912.6
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value4110412740904045402437903922392038993835378037973770371232373203319131443091309730302982293729532904288228002869292929012891287228762936293629502909290028652850299931943158320031863180273828762327
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.011.912.211.711.311.212.112.011.711.411.211.311.211.110.610.710.710.810.610.610.410.610.610.810.710.610.411.211.411.711.912.112.212.612.513.013.213.213.113.013.614.914.514.214.00.012.00.00.0

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value4090392237803237
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets12.212.111.210.6
Percentage of Assets srt:ParentCompany92.793.087.184.5

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value2.889-4.193123.995-1.92-16.974-33.183-36.953-59.063-103.375-124.972-135.52-119.888-107.673-62.758-54.288-53.47-56.344-54.679-1.254132.167-32.616152.59424-4.85-1.72510-11.577-24.244-37.12-25.01542486766656589794527787359630.055-2.498
Percentage of StockholdersEquity0.1-0.10.30.1-0.0-0.4-0.8-0.9-1.5-2.7-3.3-3.6-3.2-2.9-1.9-1.7-1.7-1.8-1.8-0.00.40.1-1.10.50.10.9-0.2-0.10.4-0.4-0.8-1.3-0.91.51.72.32.32.32.33.12.61.40.92.52.31.92.30.0-0.1
Percentage of Assets0.0-0.00.00.0-0.0-0.1-0.1-0.1-0.2-0.3-0.4-0.4-0.4-0.3-0.2-0.2-0.2-0.2-0.2-0.00.00.0-0.10.10.00.1-0.0-0.00.0-0.0-0.1-0.2-0.10.20.20.30.30.30.30.40.40.20.10.30.30.00.30.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value1708170617201717171217061716171316951689171218341828182314541442147414691459145914531447145814551450150514841583162816231617161416101605160215991594159015861585158115761573156915671564108210731040
Percentage of StockholdersEquity41.641.342.142.442.645.043.843.743.544.145.348.348.549.144.945.046.246.747.247.148.048.549.749.349.952.253.055.255.656.056.056.256.054.754.654.254.854.855.455.652.749.449.849.049.249.239.537.344.7
Percentage of Assets5.04.95.14.94.85.05.35.35.15.05.15.55.45.54.84.85.05.05.05.05.05.15.35.35.35.65.56.26.36.56.76.86.86.96.87.07.27.37.27.27.27.37.27.06.90.04.70.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value1.7521.7521.7521.7521.7521.7521.7521.7521.7521.7521.7521.7521.7511.7411.6181.6151.631.631.631.631.631.631.6421.6421.6421.6741.6651.7191.751.751.751.751.751.751.751.751.751.751.7461.7461.7451.7441.7391.7381.7371.7371.2841.2811.278
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.00.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value290353353353353256256256256256256256159159159159159159159159120120121121122595961616161626363636363636363258515514513512511511508
Percentage of StockholdersEquity7.18.68.68.78.86.86.56.56.66.76.86.84.24.34.95.05.05.15.25.24.04.04.14.14.22.12.12.12.12.12.12.22.22.22.22.12.22.22.22.28.616.116.316.016.116.118.717.7
Percentage of Assets0.81.01.11.01.00.80.80.80.80.80.80.80.50.50.50.50.50.50.50.50.40.40.40.40.40.20.20.20.20.20.30.30.30.30.30.30.30.30.30.31.22.42.42.32.30.02.20.0
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value2576252024582424241222962380234122882235218119771920185918191792174717091695166216291599159315701538150914971466143214021392136113301297128112501213118111481111107910551041103610321044108112931302
Percentage of StockholdersEquity62.761.160.159.960.060.660.759.758.758.357.752.150.950.156.255.954.854.454.953.753.853.654.253.253.052.453.551.148.948.348.247.446.344.243.742.441.740.740.139.036.033.033.032.432.432.839.545.056.0
Percentage of Assets7.57.37.47.06.86.87.47.26.96.66.55.95.75.66.06.05.95.95.85.75.65.75.75.75.75.65.65.75.65.75.75.75.65.65.55.55.55.45.25.14.94.94.84.64.50.04.70.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-469.801-450.222-456.198-456.129-455.057-453.714-400.46-355.791-284.235-244.84-246.638-137.852-20.564-24.089-134.764-138.167-138.52-139.679-170.83-185.129-188.337-188.849-204.92-209.833-210.744-219.2-239.042-240.997-204.196-176.179-158.576-131.099-104.011-75.406-61.173-31.132-30.71-1.010.00.0-0.663-0.2460.00.0-0.887-1.919-0.7060.0-14.905
Percentage of StockholdersEquity-11.4-10.9-11.2-11.3-11.3-12.0-10.2-9.1-7.3-6.4-6.5-3.6-0.5-0.6-4.2-4.3-4.3-4.4-5.5-6.0-6.2-6.3-7.0-7.1-7.3-7.6-8.5-8.4-7.0-6.1-5.5-4.6-3.6-2.6-2.1-1.1-1.1-0.00.00.0-0.0-0.00.00.0-0.0-0.1-0.00.0-0.6
Percentage of Assets-1.4-1.3-1.4-1.3-1.3-1.3-1.2-1.1-0.9-0.7-0.7-0.4-0.1-0.1-0.4-0.5-0.5-0.5-0.6-0.6-0.6-0.7-0.7-0.8-0.8-0.8-0.9-0.9-0.8-0.7-0.7-0.6-0.4-0.3-0.3-0.1-0.1-0.00.00.0-0.0-0.00.00.0-0.00.0-0.00.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Tier One Risk Based Capital

us-gaap:TierOneRiskBasedCapital us-gaap:ConsolidatedEntities

us-gaap:TierOneRiskBasedCapital

srt:ParentCompany


Tier
Period End2020-12-312019-12-312018-12-312017-12-31
Value3058273627052331
Percentage of TierOneRiskBasedCapital100.0100.0100.0100.0
Percentage of Assets9.28.58.07.6
Percentage of Assets srt:ParentCompany69.364.962.360.8

srt:Subsidiaries


Tier
Period End2020-12-312019-12-312018-12-312017-12-31
Value2971266926462357
Percentage of TierOneRiskBasedCapital97.197.597.8101.1
Percentage of Assets8.98.27.97.7
Percentage of Assets srt:Subsidiaries0.00.00.00.0

Cash And Cash Equivalents At Carrying Value

us-gaap:CashAndCashEquivalentsAtCarryingValue us-gaap:ConsolidatedEntities

us-gaap:CashAndCashEquivalentsAtCarryingValue

srt:ParentCompany


Cash
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-31
Value554454146402610
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.10.20.51.42.2
Percentage of Assets srt:ParentCompany1.31.11.33.80.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312016-12-312015-12-31
Value1772194671611132012679588759557646876546471716642473
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.25.62.13.25.72.01.82.31.71.92.61.61.42.32.21.7

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value786795694653641553550553523481
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets2.42.52.12.12.22.02.12.32.22.2

us-gaap:PropertyPlantAndEquipmentGross us-gaap:PropertyPlantAndEquipmentByType

asb:OperatingLeases


Property
Period End2020-12-312019-12-31
Value4653
Percentage of PropertyPlantAndEquipmentGross5.96.8
Percentage of Assets0.10.2
Percentage of Assets asb:OperatingLeases0.00.0

us-gaap:BuildingAndBuildingImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value390394363341332261255248234210
Percentage of PropertyPlantAndEquipmentGross49.649.552.352.351.847.246.544.944.843.8
Percentage of Assets1.21.21.11.11.10.91.01.01.01.0
Percentage of Assets us-gaap:BuildingAndBuildingImprovements0.00.00.00.00.00.00.00.00.00.0

us-gaap:ComputerEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value52474542423735454341
Percentage of PropertyPlantAndEquipmentGross6.75.96.66.56.66.86.58.28.38.6
Percentage of Assets0.20.10.10.10.10.10.10.20.20.2
Percentage of Assets us-gaap:ComputerEquipment0.00.00.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value174176168161162159161162157145
Percentage of PropertyPlantAndEquipmentGross22.222.124.324.825.328.729.329.430.130.3
Percentage of Assets0.50.50.50.50.60.60.60.70.70.7
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.00.00.00.00.0

us-gaap:Land


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value70696759575252504644
Percentage of PropertyPlantAndEquipmentGross9.08.89.89.19.09.49.69.18.99.3
Percentage of Assets0.20.20.20.20.20.20.20.20.20.2
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.00.00.0

us-gaap:LandImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value18171413121110109.9739.423
Percentage of PropertyPlantAndEquipmentGross2.32.22.12.02.02.12.01.91.92.0
Percentage of Assets0.10.10.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:LandImprovements0.00.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value33363434343133353129
Percentage of PropertyPlantAndEquipmentGross4.34.64.95.35.45.76.26.56.06.1
Percentage of Assets0.10.10.10.10.10.10.10.10.10.1
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.0

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value367360330322311286275282269258
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.11.01.11.11.01.01.21.11.2

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment us-gaap:PropertyPlantAndEquipmentByType

asb:OperatingLeases


Accumulated
Period End2020-12-312019-12-31
Value148.602
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment4.02.4
Percentage of Assets0.00.0
Percentage of Assets asb:OperatingLeases0.00.0

us-gaap:BuildingAndBuildingImprovements


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value168163150143130119115117112110
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment45.745.445.544.541.841.942.141.641.942.8
Percentage of Assets0.50.50.40.50.40.40.40.50.50.5
Percentage of Assets us-gaap:BuildingAndBuildingImprovements0.00.00.00.00.00.00.00.00.00.0

us-gaap:ComputerEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value38343331333128353229
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment10.49.410.19.810.611.010.312.411.911.4
Percentage of Assets0.10.10.10.10.10.10.10.10.10.1
Percentage of Assets us-gaap:ComputerEquipment0.00.00.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value1161221181191191091051049995
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment31.634.035.937.138.438.238.236.937.036.9
Percentage of Assets0.30.40.40.40.40.40.40.40.40.4
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.00.00.00.00.0

us-gaap:LandImprovements


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value8.7168.5137.5186.8025.9294.9094.2954.1523.5613.114
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment2.42.42.32.11.91.71.61.51.31.2
Percentage of Assets0.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:LandImprovements0.00.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-31
Value21222020222021212119
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment6.06.36.36.57.27.27.87.67.87.6
Percentage of Assets0.10.10.10.10.10.10.10.10.10.1
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.0

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2.2032.2362.2532.2532.8722.8142.7112.6862.3242.2262.2332.2332.1681.5250.50.450.4960.5130.5250.5250.5390.5040.520.8850.8880.8010.7750.990.9910.9911.0111.011.0111.0111.0491.0481.0491.0491.1791.1791.1781.1781.2061.2061.2541.253
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AmortizationOfIntangibleAssets us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:CoreDeposits


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value2.2022.2032.2022.2032.2032.1412.0182.0181.6411.4531.4531.4521.4530.9680.00.00.0450.0670.070.0710.070.070.0780.4420.4420.4420.5550.7710.7710.7710.7810.780.7810.780.807
Percentage of AmortizationOfIntangibleAssets100.098.597.797.876.776.174.475.170.665.365.165.067.063.50.00.09.113.113.313.513.013.915.049.949.855.271.677.977.877.877.377.277.377.276.9
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CoreDeposits0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-31
Value0.00.0330.050.050.670.6730.6930.6680.6830.7740.780.7830.7130.5570.50.450.4510.4460.4550.4540.4690.4340.4420.4430.4460.3590.220.2190.220.220.230.230.230.2310.242
Percentage of AmortizationOfIntangibleAssets0.01.52.22.223.323.925.624.929.434.834.935.132.936.5100.0100.090.986.986.786.587.086.185.050.150.244.828.422.122.222.222.722.822.722.823.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:OtherIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value398398418422434438435436432361363358361381330330328332330329331331267271274274274272264269270265258254253238225225223208192186190186
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.21.21.31.21.21.31.31.31.31.11.11.11.11.11.11.11.11.11.11.11.11.21.01.01.01.01.01.11.01.11.11.11.11.11.11.11.01.01.01.00.90.90.90.8

us-gaap:PropertyPlantAndEquipmentNet us-gaap:PropertyPlantAndEquipmentByType

asb:OperatingLeases


Property
Period End2020-12-312019-12-312018-12-31
Value31450.0
Percentage of PropertyPlantAndEquipmentNet7.610.40.0
Percentage of Assets0.10.10.0
Percentage of Assets asb:OperatingLeases0.00.00.0

us-gaap:BuildingAndBuildingImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value22223021219820214113913012110095
Percentage of PropertyPlantAndEquipmentNet53.052.958.560.061.252.950.948.347.844.850.3
Percentage of Assets0.70.70.60.70.70.50.50.50.50.50.4
Percentage of Assets us-gaap:BuildingAndBuildingImprovements0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ComputerEquipment


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value141312119.0516.3727.5181011119.897
Percentage of PropertyPlantAndEquipmentNet3.53.03.43.32.72.42.73.84.55.45.2
Percentage of Assets0.00.00.00.00.00.00.00.00.00.10.0
Percentage of Assets us-gaap:ComputerEquipment0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FurnitureAndFixtures


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value5853494242495558575031
Percentage of PropertyPlantAndEquipmentNet13.912.313.712.712.918.620.321.522.722.716.7
Percentage of Assets0.20.20.10.10.10.20.20.20.20.20.1
Percentage of Assets us-gaap:FurnitureAndFixtures0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:Land


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value7069675957525250464443
Percentage of PropertyPlantAndEquipmentNet16.816.018.617.917.419.519.218.718.319.923.0
Percentage of Assets0.20.20.20.20.20.20.20.20.20.20.2
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LandImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value9.7719.3557.2126.3136.6436.6616.6086.496.4126.3092.78
Percentage of PropertyPlantAndEquipmentNet2.32.12.01.92.02.52.42.42.52.81.5
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:LandImprovements0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:LeaseholdImprovements


Property
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1113131312111214109.7176.472
Percentage of PropertyPlantAndEquipmentNet2.83.23.74.23.84.24.55.34.24.33.4
Percentage of Assets0.00.00.00.00.00.00.00.10.00.00.0
Percentage of Assets us-gaap:LeaseholdImprovements0.00.00.00.00.00.00.00.00.00.00.0

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value11041104110911071107119111761176117611681169116811661153976972972972971971971971968968968968929929929929929929929929929929929929929929929929929929
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets3.23.23.33.23.13.53.63.63.53.53.53.53.53.53.23.23.33.33.33.33.33.43.53.53.63.63.53.63.63.73.83.93.94.04.04.14.24.24.24.24.24.34.34.1

us-gaap:Goodwill us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

asb:Whitnell


Goodwillus-gaap:
Period End2021-03-31
Value-4.0
Percentage of Goodwill-0.4
Percentage of Assets-0.0
Percentage of Assets asb:Whitnell0.0

Intangible Assets Net Excluding Goodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill

us-gaap:IntangibleAssetsNetExcludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value6264687072928891937375788079151414151515161616787977676970727475746661616468676774858892
Percentage of IntangibleAssetsNetExcludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.30.30.30.30.20.20.20.20.20.10.00.00.10.10.10.10.10.10.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.30.40.40.4

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet us-gaap:FiniteLivedIntangibleAssetsByMajorClass

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:CoreDeposits


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-31
Value62646669717368707251525455570.00.00.00.0450.1120.1820.2530.3230.3930.4710.9131.3551.7972.3523.1233.8944.6655.4466.2267.0077.7878.5949.401101111121418
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.20.20.20.20.20.20.20.20.20.20.20.20.20.20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.1
Percentage of Assets us-gaap:CoreDeposits0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OtherIntangibleAssets


Finite
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-31
Value1.351.41.451920202122232324221514141415151616161616165.645.866.0796.2996.5196.7496.9797.2097.447.6827.9238.1648.4068.6618.9169.42510
Percentage of FiniteLivedIntangibleAssetsNet2.02.02.025.829.329.629.943.443.744.044.339.50.00.00.033291.113629.58637.46392.95152.64087.83504.71856.51246.9313.9249.1194.7161.8139.7123.9112.1102.995.589.484.380.076.372.569.364.157.4
Percentage of Assets0.00.00.00.10.10.10.10.10.10.10.10.10.10.00.00.10.10.10.10.10.10.10.10.10.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:OtherIntangibleAssets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:ServicingContracts


Finite
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value565659646667686666
Percentage of FiniteLivedIntangibleAssetsNet89.888.089.692.793.692.197.692.0130.5
Percentage of Assets0.20.20.20.20.20.20.20.20.2
Percentage of Assets us-gaap:ServicingContracts0.00.00.00.00.00.00.00.00.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value3132313539434548484952
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.0

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi

us-gaap:EquitySecuritiesFvNi


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.02000000.01609000.01568000.0
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel1


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-31
Value3187000.01684000.01661000.01646000.01647000.01618000.01646000.01652000.01621000.01609000.01568000.0
Percentage of EquitySecuritiesFvNi106.284.283.082.382.380.982.382.681.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:FairValueInputsLevel10.00.00.00.00.00.00.00.00.00.00.0

Other Assets

us-gaap:OtherAssets

us-gaap:OtherAssets


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value6095796536536406555975895915404606025965234825751107109310741060104210271047115810169981010100398599710069779659409269879681038105610811076111211321191
Percentage of OtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.81.72.01.91.81.91.81.81.81.61.41.81.81.61.61.93.73.83.73.63.63.63.84.23.73.73.83.93.84.04.24.14.14.03.94.34.44.74.84.94.95.25.25.2

us-gaap:OtherAssets us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2020-12-312019-12-312018-12-312017-12-31
Value46464751
Percentage of OtherAssets7.27.710.310.7
Percentage of Assets0.10.10.10.2
Percentage of Assets srt:ParentCompany1.11.11.11.3

Time Deposit Maturities Year One

us-gaap:TimeDepositMaturitiesYearOne

us-gaap:TimeDepositMaturitiesYearOne


Time
Period End2020-12-31
Value1371
Percentage of TimeDepositMaturitiesYearOne100.0
Percentage of Assets4.1

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value54915711558549321079679679634697954973233339731473262276127612761351128612679267931793429393029312931293230876146149151015130511501176117714771484148414131953
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.64.54.41.69.92.42.42.410.32.41.59.711.110.511.09.59.59.512.110.29.79.811.712.714.711.411.411.812.72.62.63.94.35.75.25.45.46.76.76.96.58.5

us-gaap:LongTermDebt us-gaap:ConsolidatedEntities

srt:ParentCompany


Long
Period End2020-12-312019-12-312018-12-312017-12-31
Value248248497497
Percentage of LongTermDebt45.37.714.414.6
Percentage of Assets0.70.81.51.6
Percentage of Assets srt:ParentCompany5.65.911.513.0

us-gaap:LongTermDebt us-gaap:DebtInstrument

asb:LongTermFundingMaturityOneYearToTwoYearsDomain


Long
Period End2020-12-31
Value0.967
Percentage of LongTermDebt0.2
Percentage of Assets0.0
Percentage of Assets asb:LongTermFundingMaturityOneYearToTwoYearsDomain0.0

asb:LongTermFundingMaturityWithinOneYearDomain


Long
Period End2020-12-31
Value299
Percentage of LongTermDebt54.5
Percentage of Assets0.9
Percentage of Assets asb:LongTermFundingMaturityWithinOneYearDomain0.0

asb:LongTermFundingMaturityYearFourToYearFiveDomain


Long
Period End2020-12-31
Value248
Percentage of LongTermDebt45.3
Percentage of Assets0.7
Percentage of Assets asb:LongTermFundingMaturityYearFourToYearFiveDomain0.0

us-gaap:LongTermDebt us-gaap:FairValueByFairValueHierarchyLevel

us-gaap:FairValueInputsLevel2


Long
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-31
Value54954954854954979679637203469372249253233339731473262276127612761351128612676
Percentage of LongTermDebt100.034.935.2100.017.1100.0100.0467.4100.0468.2989.8100.0100.0100.0100.0100.0100.0100.0100.0100.099.9
Percentage of Assets1.61.61.51.61.72.42.411.010.311.114.69.711.110.511.09.59.59.512.110.29.7
Percentage of Assets us-gaap:FairValueInputsLevel20.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Pension And Other Postretirement Defined Benefit Plans Liabilities Noncurrent

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent us-gaap:RetirementPlanType

us-gaap:PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Pension
Period End2020-12-312019-12-312018-12-312017-12-312016-12-31
Value2055000.02330000.02304000.02245000.02188000.0
Percentage of PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.0
Percentage of Assets us-gaap:OtherPostretirementBenefitPlansDefinedBenefit0.00.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Two

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value6050000.06010000.06791000.07801000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Three

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value5274000.05274000.05525000.05559000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Four

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value4110000.04110000.04760000.04793000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value3818000.0
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.0

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value10
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.0

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312019-01-01
Value3536364043474952525356
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.10.20.20.20.20.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value394040454853556060
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.10.10.10.10.20.20.20.2

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue us-gaap:PropertyPlantAndEquipmentByType

asb:RetailandCorporateOffices


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value323334384246485450
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue83.983.783.484.686.487.688.189.383.7
Percentage of Assets0.10.10.10.10.10.10.20.20.2
Percentage of Assets asb:RetailandCorporateOffices0.00.00.00.00.00.00.00.00.0

us-gaap:Equipment


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value0.3840.3850.3860.3860.0050.0370.0460.0660.256
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue1.01.00.90.80.00.10.10.10.4
Percentage of Assets0.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Equipment0.00.00.00.00.00.00.00.00.0

us-gaap:Land


Lessee
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value5.9496.1656.3856.656.6636.5336.5946.4259.602
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue15.115.315.614.613.612.311.910.615.9
Percentage of Assets0.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:Land0.00.00.00.00.00.00.00.00.0

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value3905000.04178000.04382000.04797000.0
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets0.00.00.00.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value4110412740904045402437903922392038993835378037973770371232373203319131443091309730302982293729532904288228002869292929012891287228762936293629502909290028652850299931943158320031863180273828762327
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.011.912.211.711.311.212.112.011.711.411.211.311.211.110.610.710.710.810.610.610.410.610.610.810.710.610.411.211.411.711.912.112.212.612.513.013.213.213.113.013.614.914.514.214.00.012.00.00.0

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value4090392237803237
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets12.212.111.210.6
Percentage of Assets srt:ParentCompany92.793.087.184.5

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value2.889-4.193123.995-1.92-16.974-33.183-36.953-59.063-103.375-124.972-135.52-119.888-107.673-62.758-54.288-53.47-56.344-54.679-1.254132.167-32.616152.59424-4.85-1.72510-11.577-24.244-37.12-25.01542486766656589794527787359630.055-2.498
Percentage of StockholdersEquity0.1-0.10.30.1-0.0-0.4-0.8-0.9-1.5-2.7-3.3-3.6-3.2-2.9-1.9-1.7-1.7-1.8-1.8-0.00.40.1-1.10.50.10.9-0.2-0.10.4-0.4-0.8-1.3-0.91.51.72.32.32.32.33.12.61.40.92.52.31.92.30.0-0.1
Percentage of Assets0.0-0.00.00.0-0.0-0.1-0.1-0.1-0.2-0.3-0.4-0.4-0.4-0.3-0.2-0.2-0.2-0.2-0.2-0.00.00.0-0.10.10.00.1-0.0-0.00.0-0.0-0.1-0.2-0.10.20.20.30.30.30.30.40.40.20.10.30.30.00.30.00.0
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value1708170617201717171217061716171316951689171218341828182314541442147414691459145914531447145814551450150514841583162816231617161416101605160215991594159015861585158115761573156915671564108210731040
Percentage of StockholdersEquity41.641.342.142.442.645.043.843.743.544.145.348.348.549.144.945.046.246.747.247.148.048.549.749.349.952.253.055.255.656.056.056.256.054.754.654.254.854.855.455.652.749.449.849.049.249.239.537.344.7
Percentage of Assets5.04.95.14.94.85.05.35.35.15.05.15.55.45.54.84.85.05.05.05.05.05.15.35.35.35.65.56.26.36.56.76.86.86.96.87.07.27.37.27.27.27.37.27.06.90.04.70.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value1.7521.7521.7521.7521.7521.7521.7521.7521.7521.7521.7521.7521.7511.7411.6181.6151.631.631.631.631.631.631.6421.6421.6421.6741.6651.7191.751.751.751.751.751.751.751.751.751.751.7461.7461.7451.7441.7391.7381.7371.7371.2841.2811.278
Percentage of StockholdersEquity0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.00.00.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-31
Value290353353353353256256256256256256256159159159159159159159159120120121121122595961616161626363636363636363258515514513512511511508
Percentage of StockholdersEquity7.18.68.68.78.86.86.56.56.66.76.86.84.24.34.95.05.05.15.25.24.04.04.14.14.22.12.12.12.12.12.12.22.22.22.22.12.22.22.22.28.616.116.316.016.116.118.717.7
Percentage of Assets0.81.01.11.01.00.80.80.80.80.80.80.80.50.50.50.50.50.50.50.50.40.40.40.40.40.20.20.20.20.20.30.30.30.30.30.30.30.30.30.31.22.42.42.32.30.02.20.0
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value2576252024582424241222962380234122882235218119771920185918191792174717091695166216291599159315701538150914971466143214021392136113301297128112501213118111481111107910551041103610321044108112931302
Percentage of StockholdersEquity62.761.160.159.960.060.660.759.758.758.357.752.150.950.156.255.954.854.454.953.753.853.654.253.253.052.453.551.148.948.348.247.446.344.243.742.441.740.740.139.036.033.033.032.432.432.839.545.056.0
Percentage of Assets7.57.37.47.06.86.87.47.26.96.66.55.95.75.66.06.05.95.95.85.75.65.75.75.75.75.65.65.75.65.75.75.75.65.65.55.55.55.45.25.14.94.94.84.64.50.04.70.00.0
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value-469.801-450.222-456.198-456.129-455.057-453.714-400.46-355.791-284.235-244.84-246.638-137.852-20.564-24.089-134.764-138.167-138.52-139.679-170.83-185.129-188.337-188.849-204.92-209.833-210.744-219.2-239.042-240.997-204.196-176.179-158.576-131.099-104.011-75.406-61.173-31.132-30.71-1.010.00.0-0.663-0.2460.00.0-0.887-1.919-0.7060.0-14.905
Percentage of StockholdersEquity-11.4-10.9-11.2-11.3-11.3-12.0-10.2-9.1-7.3-6.4-6.5-3.6-0.5-0.6-4.2-4.3-4.3-4.4-5.5-6.0-6.2-6.3-7.0-7.1-7.3-7.6-8.5-8.4-7.0-6.1-5.5-4.6-3.6-2.6-2.1-1.1-1.1-0.00.00.0-0.0-0.00.00.0-0.0-0.1-0.00.0-0.6
Percentage of Assets-1.4-1.3-1.4-1.3-1.3-1.3-1.2-1.1-0.9-0.7-0.7-0.4-0.1-0.1-0.4-0.5-0.5-0.5-0.6-0.6-0.6-0.7-0.7-0.8-0.8-0.8-0.9-0.9-0.8-0.7-0.7-0.6-0.4-0.3-0.3-0.1-0.1-0.00.00.0-0.0-0.00.00.0-0.00.0-0.00.00.0
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Common Stock Value

us-gaap:CommonStockValue

us-gaap:CommonStockValue


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1.7521.7521.7521.7521.7521.7521.7521.7521.7521.7521.7521.7521.7511.7411.6181.6151.631.631.631.631.631.631.6421.6421.6421.6741.6651.7191.751.751.751.751.751.751.751.751.751.751.7461.7461.7451.7441.7391.284
Percentage of CommonStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CommonStockValue us-gaap:ConsolidatedEntities

srt:ParentCompany


Common
Period End2020-12-312019-12-312018-12-312017-12-31
Value3737366535243077
Percentage of CommonStockValue213323.1209212.7201151.3190204.8
Percentage of Assets11.211.310.510.1
Percentage of Assets srt:ParentCompany84.786.981.180.3

Additional Paid In Capital Common Stock

us-gaap:AdditionalPaidInCapitalCommonStock

us-gaap:AdditionalPaidInCapitalCommonStock


Additional
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value17081706172017171712170617161713169516891712183418281823145414421474146914591459145314471458145514501505148415831628162316171614161016051602159915941590158615851581157615731082
Percentage of AdditionalPaidInCapitalCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.04.95.14.94.85.05.35.35.15.05.15.55.45.54.84.85.05.05.05.05.05.15.35.35.35.65.56.26.36.56.76.86.86.96.87.07.27.37.27.27.27.37.24.7

Retained Earnings Accumulated Deficit

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:RetainedEarningsAccumulatedDeficit


Retained
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value25762520245824242412229623802341228822352181197719201859181917921747170916951662162915991593157015381509149714661432140213921361133012971281125012131181114811111079105510411081
Percentage of RetainedEarningsAccumulatedDeficit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.57.37.47.06.86.87.47.26.96.66.55.95.75.66.06.05.95.95.85.75.65.75.75.75.75.65.65.75.65.75.75.75.65.65.55.55.55.45.25.14.94.94.84.7

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2.889-4.193123.995-1.92-16.974-33.183-36.953-59.063-103.375-124.972-135.52-119.888-107.673-62.758-54.288-53.47-56.344-54.679-1.254132.167-32.616152.59424-4.85-1.72510-11.577-24.244-37.12-25.0154248676665658979452763
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.0-0.00.00.0-0.0-0.1-0.1-0.1-0.2-0.3-0.4-0.4-0.4-0.3-0.2-0.2-0.2-0.2-0.2-0.00.00.0-0.10.10.00.1-0.0-0.00.0-0.0-0.1-0.2-0.10.20.20.30.30.30.30.40.40.20.10.3

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustment


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-31
Value-27.187-27.947-28.707-35.448-36.021-36.595-37.172-49.146-49.29-49.31-49.33-28.562-28.902-29.22-24.305-33.684-34.042-34.321-34.6-32.128-32.463-32.769-33.075-22.292-22.688-23.025-23.362-12.848-37.506
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax-941.1666.5-227.5-887.31876.1215.6112.0133.083.547.739.521.124.127.138.762.063.760.963.32562.0-241.3-1512.2101.4-145.0-874.6-92.8481.753.0-77.2
Percentage of Assets-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.2-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.1-0.2
Percentage of Assets us-gaap:AccumulatedDefinedBenefitPlansAdjustment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-31
Value3023413934193.98912-9.773-54.065-75.643-106.958-90.986-78.453-38.453-20.604-19.428-22.023-20.0793045340.45937254718-11.39686
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax1041.1-566.5327.5987.3-1776.1-115.6-12.0-33.016.552.360.578.975.972.961.338.036.339.136.7-2462.0341.31612.2-1.4245.0974.6192.8-381.747.0177.2
Percentage of Assets0.10.10.10.10.10.10.00.0-0.0-0.2-0.2-0.3-0.3-0.2-0.1-0.1-0.1-0.1-0.10.10.20.10.00.10.10.20.1-0.00.4
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312013-12-312012-12-31
Value2.889-4.193123.995-1.92-16.974-33.183-36.953-59.063-103.375-124.972-135.52-119.888-107.673-62.758-54.288-53.47-56.344-54.679-1.254132.167-32.616152.59424-4.85-24.24448
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.0-0.00.00.0-0.0-0.1-0.1-0.1-0.2-0.3-0.4-0.4-0.4-0.3-0.2-0.2-0.2-0.2-0.2-0.00.00.0-0.10.10.00.1-0.0-0.10.2
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-06-302011-03-312010-12-312009-12-31
Value4694504564564554534003552842442461372024134138138139170185188188204209210219239240204176158131104756131301.010.00.6630.2460.00.706
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0
Percentage of Assets1.41.31.41.31.31.31.21.10.90.70.70.40.10.10.40.50.50.50.60.60.60.70.70.80.80.80.90.90.80.70.70.60.40.30.30.10.10.00.00.00.00.00.0

Stock Issued During Period Value New Issues

us-gaap:StockIssuedDuringPeriodValueNewIssues

us-gaap:StockIssuedDuringPeriodValueNewIssues


Stock
Period End2020-09-302020-06-302016-12-312015-12-312010-12-312010-09-302010-06-302010-03-31
Value-0.208971940.00.00.00.0478
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.00.00.00.00.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.0

us-gaap:StockIssuedDuringPeriodValueNewIssues us-gaap:StatementEquityComponents

us-gaap:PreferredStock


Stock
Period End2020-09-302020-06-302016-12-312015-12-31
Value-0.208971940.0
Percentage of StockIssuedDuringPeriodValueNewIssues100.0100.0100.00.0
Percentage of Assets0.00.00.00.0
Percentage of Assets us-gaap:PreferredStock0.00.00.00.0

Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5.0923.4443.5024.939105.6966.1349.3974.3154.624.4973.6754.3674.1934.3238.3443.9244.8375.1448.0663.6273.6965.1055.7743.6293.9944.0564.4123.4723.7973.8093.7623.8383.9824.1453.7942.32.952.8272.9472.2672.2722.2212.276
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5.0923.4443.5024.939105.6966.1349.3974.3154.624.4973.6754.3674.1934.3238.3443.9244.8375.1448.0663.6273.6965.1055.7743.6293.9944.0564.4123.4723.7973.8093.7623.8383.9824.1453.7942.32.952.8272.9472.2672.2722.2212.276
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value72157126136306-20.08310439984-13.6021931867343142171281692213028222771248711427311517859133328212311167-30.35475197152104128120
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating36.480.160.064.3136.2-7.638.7137.127.5-4.463.463.025.216.561.77.759.282.1109.8151.642.211.540.665.747.36.123.641.463.7101.533.976.118.046.069.461.937.0-16.440.1105.780.853.462.655.7

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value261-12.354778-250.255-394.863-927.507356131130-162.5182.826133-166.515-350.336-212.653-302.097-841.68-40.428-174.621-225.969-713.859-526.133-261.208-430.32-508.846-333.982-869.194-588.331-813.16673-293.35-219.941-980.183-315.73-348.24310-103.878-180.796-261.65173-1147.0261625161085
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating131.2-6.3368.0-117.4-175.6-352.313.3210.5369.4-53.10.945.1-57.2-134.0-92.3-130.3-386.8-19.6-86.7-113.3-363.2-271.1-136.5-226.5-274.1-179.0-478.6-330.4-447.941.7-166.3-125.4-543.1-176.7-195.05.8-57.3-97.7-138.739.5-606.682.8252.0502.5

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-508.2451085-1303.464-785.71314221038-310.89-810.439-1304.096-54.235133-244.39413124294206593-82.09-14.726567334052461989013784953547022361-223.942732588110-26.818-12.124-218.135481-340.084-676.254-277.804-397.771276
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-255.1551.1-615.8-368.7632.5394.3-115.5-278.1-426.0-17.743.7-82.745.19.3128.188.9272.6-39.7-7.328.1373.2208.9129.0104.748.773.9467.5300.9259.212.9204.8-127.7405.8329.262.1-14.9-6.7-117.9255.2-182.3-357.6-141.6-194.2128.1

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value-174.41230-899.029133390202-89.264-230.355
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-87.5625.0-421.9593.134.469.5-29.2-75.3

Increase Decrease In Other Operating Capital Net

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet

us-gaap:IncreaseDecreaseInOtherOperatingCapitalNet


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-13.464-23.0121620-50.114-18.63649-30.694-29.9852353-62.978-16.30728-17.3856.2321919-21.339-26.412-20.324467.021-16.327-3.23923-11.358-17.344136.16523-42.609-15.24915-9.02-14.0781.0352.602-3.438-17.897-32.047-9.137-8.69515-35.331-16.464
Percentage of IncreaseDecreaseInOtherOperatingCapitalNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value72157126136306-20.08310439984-13.6021931867343142171281692213028222771248711427311517859133328212311167-30.35475197152104128120
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating36.480.160.064.3136.2-7.638.7137.127.5-4.463.463.025.216.561.77.759.282.1109.8151.642.211.540.665.747.36.123.641.463.7101.533.976.118.046.069.461.937.0-16.440.1105.780.853.462.655.7

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value91946745148457283848688858969506557565453494242494946485046454745474746464342414134221414-2.779-26.389
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating45.747.931.721.266.117.426.828.627.728.329.129.130.626.621.728.026.627.227.227.025.021.922.426.026.625.025.527.025.525.426.326.027.227.025.826.024.323.622.722.318.212.27.47.3-1.4-12.2

us-gaap:NetIncomeLoss us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, asb:CommunityConsumerandBusinesssegment


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value10196.31423373539333735162116211621141413161617
Percentage of NetIncomeLoss11.220.813.99.751.245.142.445.438.842.051.732.033.528.038.330.639.229.033.531.632.632.836.6
Percentage of InterestAndDividendIncomeOperating5.110.03.06.48.912.911.712.911.312.913.77.09.47.410.48.310.67.27.37.18.58.79.1
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments asb:CommunityConsumerandBusinesssegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, asb:CorporateandCommercialSpecialtysegment


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value5354565857454542475547323635343132252928272828
Percentage of NetIncomeLoss58.958.3124.039.3124.554.454.049.055.261.968.264.656.060.661.657.159.952.268.367.255.657.862.0
Percentage of InterestAndDividendIncomeOperating26.927.926.326.021.715.514.913.916.018.918.114.015.716.116.815.516.213.015.015.014.515.415.5
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments asb:CorporateandCommercialSpecialtysegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:OperatingSegments, asb:RiskManagementandSharedSeriviesSegment


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value2719-17.14675-34.6890.4953.0844.9585.209-3.45-13.8311.6616.8216.6590.0216.7490.5019.249-0.7680.5085.8524.6170.655
Percentage of NetIncomeLoss29.920.9-37.951.0-75.70.63.65.76.1-3.9-19.93.310.511.50.012.30.918.8-1.81.211.89.31.4
Percentage of InterestAndDividendIncomeOperating13.710.0-8.033.7-13.20.21.01.61.8-1.2-5.30.72.93.10.03.40.34.7-0.40.33.12.50.4
Percentage of InterestAndDividendIncomeOperating us-gaap:OperatingSegments asb:RiskManagementandSharedSeriviesSegment0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:NetIncomeLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value919467451484583848688858969506557565453494242494946485046454745474746464342414134221414-2.779-26.389
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating45.747.931.721.266.117.428.627.728.329.129.130.626.621.728.026.627.227.227.025.021.922.426.026.625.025.527.025.525.426.326.027.227.025.826.024.323.622.722.318.212.27.47.3-1.4-12.2
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value261-12.354778-250.255-394.863-927.507356131130-162.5182.826133-166.515-350.336-212.653-302.097-841.68-40.428-174.621-225.969-713.859-526.133-261.208-430.32-508.846-333.982-869.194-588.331-813.16673-293.35-219.941-980.183-315.73-348.24310-103.878-180.796-261.65173-1147.0261625161085
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating131.2-6.3368.0-117.4-175.6-352.313.3210.5369.4-53.10.945.1-57.2-134.0-92.3-130.3-386.8-19.6-86.7-113.3-363.2-271.1-136.5-226.5-274.1-179.0-478.6-330.4-447.941.7-166.3-125.4-543.1-176.7-195.05.8-57.3-97.7-138.739.5-606.682.8252.0502.5

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-508.2451085-1303.464-785.71314221038-310.89-810.439-1304.096-54.235133-244.39413124294206593-82.09-14.726567334052461989013784953547022361-223.942732588110-26.818-12.124-218.135481-340.084-676.254-277.804-397.771276
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-255.1551.1-615.8-368.7632.5394.3-115.5-278.1-426.0-17.743.7-82.745.19.3128.188.9272.6-39.7-7.328.1373.2208.9129.0104.748.773.9467.5300.9259.212.9204.8-127.7405.8329.262.1-14.9-6.7-117.9255.2-182.3-357.6-141.6-194.2128.1

Payments Of Dividends Common Stock

us-gaap:PaymentsOfDividendsCommonStock

us-gaap:PaymentsOfDividendsCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value27272727272828272728282526252118181818161616161515151514141414131313138.638.6448.7351.7461.7441.7451.7421.7381.7381.7361.736
Percentage of PaymentsOfDividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock us-gaap:AwardType

us-gaap:PaymentsForRepurchaseOfCommonStock

asb:PerformanceServiceBasedRSAsRSA


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value0.8573.5930.1030.462-0.0075.5550.0990.1940.8317.468
Percentage of PaymentsForRepurchaseOfCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForRepurchaseOfCommonStock us-gaap:ShareRepurchaseProgram

asb:BoardAuthorizedPurchaseProgram


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value29170.00.00.07147593929
Percentage of PaymentsForRepurchaseOfCommonStock3497.3500.20.00.0-0.01282.748367.730927.34765.6401.7

Debt Instrument Interest Rate Stated Percentage

us-gaap:DebtInstrumentInterestRateStatedPercentage us-gaap:DebtInstrument

us-gaap:DebtInstrumentInterestRateStatedPercentage

asb:FinanceLeases


Debt
Period End2020-12-312019-12-31
Value1.00.0399
Percentage of DebtInstrumentInterestRateStatedPercentage100.0100.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations asb:FinanceLeases0.00.0

asb:PaycheckProtectionProgram


Debt
Period End2020-09-302020-06-30
Value0.350.0035
Percentage of DebtInstrumentInterestRateStatedPercentage0.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations0.00.0
Percentage of LongTermDebtAndCapitalLeaseObligations asb:PaycheckProtectionProgram0.00.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value5308000.05823000.06473000.06817000.06911000.06978000.05543000.05718000.05828000.05905000.05280900.05398000.05500200.05873500.05118700.05359800.05492000.05686900.06357800.07283100.07583700.07786600.06629100.07404500.07545900.08333300.07847300.08080000.08357900.08645900.08034200.08361500.08715400.09153000.08640600.08912400.09139600.09251100.07055300.07425500.07531400.07301500.06708600.06581700.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-312009-12-312008-12-31
Value20.420.1719.7719.7519.7419.7520.1320.0119.9419.9119.0919.0719.0518.8618.0218.0718.118.0717.6717.3517.317.317.2217.9717.917.7118.3418.2118.1118.0518.3718.2818.2118.318.8819.0619.119.1221.9922.2322.2424.3326.1627.45
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod

us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod


Share
Period End2021-06-302021-03-312020-12-312016-09-302016-06-302016-03-31
Value429000.0771000.010000.018134.012938.01042000.0
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod100.0100.0100.0100.0100.0100.0

Deferred Tax Liabilities

us-gaap:DeferredTaxLiabilities

us-gaap:DeferredTaxLiabilities


Deferred
Period End2020-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value12143103154156160171168165160
Percentage of DeferredTaxLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312011-12-312010-12-31
Value165118153137206276306
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-31
Value3.03.02.04.010.09.09.06.013212330
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312011-12-312010-12-31
Value251000.0251000.0251000.0269000.0000-5984000.0
Percentage of DeferredTaxAssetsValuationAllowance100.0100.0100.0100.00.00.00.0100.0

Proceeds From Repayments Of Short Term Debt

us-gaap:ProceedsFromRepaymentsOfShortTermDebt

us-gaap:ProceedsFromRepaymentsOfShortTermDebt


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value36-62.639462415-324.317356-3.539-47.1342.043-53.086-46.365-1606.7891124-388.335-337.865321-11.168-148.058-671.464494582-187.919-573.201932-405.751-361.892-906.9911089506-885.954-1137.62994-557.387573-899.985717-578.266-17.291-723.894707800120825-62.158-651.289
Percentage of ProceedsFromRepaymentsOfShortTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:AllocatedGoodwillSegment

asb:AllocatedGoodwillSegment


Allocated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value0.011041.3980.0-83.48611910.00.2117.07511680.1012.2571311534.233
Percentage of AllocatedGoodwillSegment0.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:AllocatedGoodwillSegment us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, asb:CommunityConsumerandBusinesssegment


Allocated
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.05790.0-83.4866610.1735.8026441.01510633
Percentage of AllocatedGoodwillSegment0.052.40.0100.055.582.082.055.145.074.154.9

us-gaap:OperatingSegments, asb:CorporateandCommercialSpecialtysegment


Allocated
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.05250.00.05300.0381.2735241.2413.505519
Percentage of AllocatedGoodwillSegment0.047.60.0-0.044.518.018.044.955.025.945.1

asb:AmortizationofNetUnrealizedGainonAvailableforSaleSecuritiesTransferedtoHeldtomaturitySecurities

asb:AmortizationofNetUnrealizedGainonAvailableforSaleSecuritiesTransferedtoHeldtomaturitySecurities


Amortizationof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-645000.0-518000.0-731000.0-1296000.0-776000.0-556000.0-616000.08000.0-218000.0-69000.0-112000.052000.0335000.0-297000.0166000.0-76000.01548000.01027000.01422000.01441000.01452000.01572000.0555000.0000
Percentage of AmortizationofNetUnrealizedGainonAvailableforSaleSecuritiesTransferedtoHeldtomaturitySecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

asb:AmortizationofNetUnrealizedGainonAvailableforSaleSecuritiesTransferedtoHeldtomaturitySecurities us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Amortizationof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value645000.0518000.0-5987000.01296000.0776000.0556000.0-1174000.0-8000.0218000.069000.01256000.0-52000.0-335000.0-297000.0166000.0-76000.01548000.01027000.01422000.01441000.01452000.01572000.0
Percentage of AmortizationofNetUnrealizedGainonAvailableforSaleSecuritiesTransferedtoHeldtomaturitySecurities-100.0-100.0819.0-100.0-100.0-100.0190.6-100.0-100.0-100.0-1121.4-100.0-100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AccumulatedOtherComprehensiveIncome


Amortizationof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value645000.0518000.0-5987000.01296000.0776000.0556000.0-1174000.0-8000.0218000.069000.01256000.0-52000.0-335000.0-297000.0166000.0-76000.01548000.01027000.01422000.01441000.01452000.01572000.0
Percentage of AmortizationofNetUnrealizedGainonAvailableforSaleSecuritiesTransferedtoHeldtomaturitySecurities-100.0-100.0819.0-100.0-100.0-100.0190.6-100.0-100.0-100.0-1121.4-100.0-100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:BankandCorporateOwnedLifeInsuranceIncome

asb:BankandCorporateOwnedLifeInsuranceIncome


Bankand
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-30
Value3.0882.7023.9783.0743.6253.0943.3634.3373.3523.7923.2463.543.9783.1873.1566.583.8992.6153.3383.29
Percentage of BankandCorporateOwnedLifeInsuranceIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:CapitalMarketFeesNet

asb:CapitalMarketFeesNet


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value5.6968.1185.8997.2226.917.9357.6474.34.7263.1894.9315.0994.7835.3067.1074.614.0423.8837.7167.0123.7933.5383.4232.172.6922.4672.6132.9392.0992.322
Percentage of CapitalMarketFeesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:CommonShareholdersEarningsBasic

asb:CommonShareholdersEarningsBasic


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value8588613914341677880828483866647625553515146394046474547484443
Percentage of CommonShareholdersEarningsBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:CommonShareholdersEarningsDiluted

asb:CommonShareholdersEarningsDiluted


Common
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value85886139143416778808284838666-389.704625553515146394046474547484443
Percentage of CommonShareholdersEarningsDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:DistributedEarningsToCommonShareholdersBasic

asb:DistributedEarningsToCommonShareholdersBasic


Distributed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-27620000.0-27661000.0-27684000.0-27676000.0-27667000.0-28264000.0-28350000.0-27091000.0-27571000.0-28080000.0-27946000.0-25486000.0-25977000.0-25572000.0-21241000.0-18149000.0-18326000.0-18251000.0-18023000.0-16431000.0-16443000.0-16203000.0-16625000.0-14927000.0-15056000.0-15166000.0-15259000.0-13983000.0-14393000.0-14488000.0
Percentage of DistributedEarningsToCommonShareholdersBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:DistributedEarningsToCommonShareholdersDiluted

asb:DistributedEarningsToCommonShareholdersDiluted


Distributed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-27620000.0-27661000.0-27684000.0-27676000.0-27667000.0-28264000.0-28350000.0-27091000.0-27571000.0-28080000.0-27946000.0-25486000.0-25977000.0-25572000.0-21241000.0-18149000.0-18326000.0-18251000.0-18023000.0-16431000.0-16443000.0-16203000.0-16625000.0-14927000.0-15056000.0-15166000.0-15259000.0-13983000.0-14393000.0-14488000.0
Percentage of DistributedEarningsToCommonShareholdersDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:EquitySecuritiesWithoutReadilyDeterminableFairValueAdditionsAnnualAmount

asb:EquitySecuritiesWithoutReadilyDeterminableFairValueAdditionsAnnualAmount


Equity
Period End2021-06-302021-03-31
Value2000.0544000.0
Percentage of EquitySecuritiesWithoutReadilyDeterminableFairValueAdditionsAnnualAmount100.0100.0

asb:ExpenseRelatedtoQualifiedAffordableHousingProjects

asb:ExpenseRelatedtoQualifiedAffordableHousingProjects


Expense
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value8.08.05.06.06.06.05.04.05.05.04.04.05.05.0
Percentage of ExpenseRelatedtoQualifiedAffordableHousingProjects100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:FairValueInputsClosingRatio

asb:FairValueInputsClosingRatio


Fair
Period End2021-06-302021-03-312020-12-31
Value-1.089.02.0
Percentage of FairValueInputsClosingRatio100.0100.0100.0

asb:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisDerivativeAssetsAndLiabilitiesNetMortgageDerivativeGainLossIncludedInEarnings us-gaap:FairValueByAssetClass

asb:FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisDerivativeAssetsAndLiabilitiesNetMortgageDerivativeGainLossIncludedInEarnings

asb:Derivatives


Fair
Period End2021-06-302021-03-312020-12-312020-09-30
Value-5.0583.593-0.31-3.655
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisDerivativeAssetsAndLiabilitiesNetMortgageDerivativeGainLossIncludedInEarnings100.0100.0100.0100.0

us-gaap:DerivativeFinancialInstrumentsAssets


Fair
Period End2021-06-302021-03-312020-12-312020-09-30
Value-0.373-2.7081.844-5.057
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisDerivativeAssetsAndLiabilitiesNetMortgageDerivativeGainLossIncludedInEarnings7.4-75.4-594.8138.4

us-gaap:DerivativeFinancialInstrumentsLiabilities


Fair
Period End2021-06-302021-03-312020-12-312020-09-30
Value4.685-6.32.154-1.401
Percentage of FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisDerivativeAssetsAndLiabilitiesNetMortgageDerivativeGainLossIncludedInEarnings-92.6-175.3-694.838.3

asb:FinanceLeaseCost

asb:FinanceLeaseCost


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value19000.039000.039000.039000.031000.036000.000
Percentage of FinanceLeaseCost100.0100.0100.0100.0100.0100.00.00.0

asb:FinanceLeasePayments

asb:FinanceLeasePayments


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-06-302019-03-31
Value40000.040000.040000.040000.021000.021000.000
Percentage of FinanceLeasePayments100.0100.0100.0100.0100.0100.00.00.0

asb:FinancingReceivableAllowanceForCreditLossNetRecoveryLoss asb:AllowanceType

asb:FinancingReceivableAllowanceForCreditLossNetRecoveryLoss

asb:AllowanceForLoanLosses


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value-4627000.0-4764000.0-27510000.0-29591000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss100.0100.0100.0100.0

asb:AllowanceForLoansLossesAndUnfundedCommitments


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value-4627000.0-4764000.0-27510000.0-29591000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss100.0100.0100.0100.0

asb:FinancingReceivableAllowanceForCreditLossNetRecoveryLoss asb:AllowanceType, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

asb:AllowanceForLoanLosses, asb:CommercialAndBusinessLending


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value1339000.01370000.0-8372000.0-25249000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss-28.9-28.830.485.3

asb:AllowanceForLoanLosses, asb:CommercialAndIndustrialFinancingReceivable


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value1333000.01367000.0-8514000.0-24834000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss-28.8-28.730.983.9

asb:AllowanceForLoanLosses, asb:CommercialRealEstateInvestorPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value-5589000.0-5886000.0-18696000.0-3609000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss120.8123.668.012.2

asb:AllowanceForLoanLosses, asb:CommercialRealEstateOwnerOccupiedPortfolio


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value5000.04000.0143000.0-416000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss-0.1-0.1-0.51.4

asb:AllowanceForLoanLosses, asb:InstallmentPortFolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value-514000.0-511000.0-659000.0-790000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss11.110.72.42.7

asb:AllowanceForLoanLosses, us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value-4228000.0-4487000.0-27024000.0-28879000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss91.494.298.297.6

asb:AllowanceForLoanLosses, us-gaap:CommercialRealEstatePortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value-5566000.0-5857000.0-18653000.0-3629000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss120.3122.967.812.3

asb:AllowanceForLoanLosses, us-gaap:ConstructionLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value23000.029000.043000.0-20000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss-0.5-0.6-0.20.1

asb:AllowanceForLoanLosses, us-gaap:ConsumerPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value-399000.0-277000.0-486000.0-712000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss8.65.81.82.4

asb:AllowanceForLoanLosses, us-gaap:HomeEquity


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value337000.0344000.0335000.0156000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss-7.3-7.2-1.2-0.5

asb:AllowanceForLoanLosses, us-gaap:ResidentialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value-223000.0-109000.0-161000.0-79000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss4.82.30.60.3

asb:AllowanceForLoansLossesAndUnfundedCommitments, asb:CommercialAndBusinessLending


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value1339000.01370000.0-8372000.0-25249000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss-28.9-28.830.485.3

asb:AllowanceForLoansLossesAndUnfundedCommitments, asb:CommercialAndIndustrialFinancingReceivable


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value1333000.01367000.0-8514000.0-24834000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss-28.8-28.730.983.9

asb:AllowanceForLoansLossesAndUnfundedCommitments, asb:CommercialRealEstateInvestorPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value-5589000.0-5886000.0-18696000.0-3609000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss120.8123.668.012.2

asb:AllowanceForLoansLossesAndUnfundedCommitments, asb:CommercialRealEstateOwnerOccupiedPortfolio


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value5000.04000.0143000.0-416000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss-0.1-0.1-0.51.4

asb:AllowanceForLoansLossesAndUnfundedCommitments, asb:InstallmentPortFolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value-514000.0-511000.0-659000.0-790000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss11.110.72.42.7

asb:AllowanceForLoansLossesAndUnfundedCommitments, us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value-4228000.0-4487000.0-27024000.0-28879000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss91.494.298.297.6

asb:AllowanceForLoansLossesAndUnfundedCommitments, us-gaap:CommercialRealEstatePortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value-5566000.0-5857000.0-18653000.0-3629000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss120.3122.967.812.3

asb:AllowanceForLoansLossesAndUnfundedCommitments, us-gaap:ConstructionLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value23000.029000.043000.0-20000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss-0.5-0.6-0.20.1

asb:AllowanceForLoansLossesAndUnfundedCommitments, us-gaap:ConsumerPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value-399000.0-277000.0-486000.0-712000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss8.65.81.82.4

asb:AllowanceForLoansLossesAndUnfundedCommitments, us-gaap:HomeEquity


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value337000.0344000.0335000.0156000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss-7.3-7.2-1.2-0.5

asb:AllowanceForLoansLossesAndUnfundedCommitments, us-gaap:ResidentialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value-223000.0-109000.0-161000.0-79000.0
Percentage of FinancingReceivableAllowanceForCreditLossNetRecoveryLoss4.82.30.60.3

asb:FixedInterestRatesFinanceLeases

asb:FixedInterestRatesFinanceLeases


Fixed
Period End2021-06-302021-03-312020-09-30
Value1.071.01.0
Percentage of FixedInterestRatesFinanceLeases100.0100.0100.0

asb:GainLossOnSaleAndMaturityOfOtherInvestmentsBeforeTax us-gaap:IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperations

asb:GainLossOnSaleAndMaturityOfOtherInvestmentsBeforeTax

asb:Whitnell


Gain
Period End2021-06-302021-03-31
Value02000000.0
Percentage of GainLossOnSaleAndMaturityOfOtherInvestmentsBeforeTax0.0100.0

asb:GainsLossesOnSaleOfPPEAndOtherAssets

asb:GainsLossesOnSaleOfPPEAndOtherAssets


Gains
Period End2021-06-302021-03-312020-06-302020-03-31
Value-0.0144.809157-0.077
Percentage of GainsLossesOnSaleOfPPEAndOtherAssets100.0100.0100.0100.0

asb:GainsLossesOnSalesOfPPEAndOtherAssets

asb:GainsLossesOnSalesOfPPEAndOtherAssets


Gains
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-0.0134.809-1.356-0.339157-0.0770.3970.8780.8710.567
Percentage of GainsLossesOnSalesOfPPEAndOtherAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:IncreaseDecreaseInShortTermFHLBAdvances

asb:IncreaseDecreaseInShortTermFHLBAdvances


Increase
Period End2020-12-312020-09-302020-06-302020-03-312019-09-30
Value10400.0-550.030135
Percentage of IncreaseDecreaseInShortTermFHLBAdvances100.00.0100.0100.0100.0

asb:InterestOnPPPLFFunding

asb:InterestOnPPPLFFunding


Interest
Period End2020-12-312020-09-302020-06-30
Value410000.0899000.0676000.0
Percentage of InterestOnPPPLFFunding100.0100.0100.0

asb:InterestonFHLBFunding

asb:InterestonFHLBFunding


Intereston
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value9.5249.4939.8881415171615171919192113108.6127.149
Percentage of InterestonFHLBFunding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:LegalAndProfessionalFees

asb:LegalAndProfessionalFees


Legal
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value6.6616.535.7375.5915.0585.165.5595.7244.6683.9515.8885.4766.2845.4136.3846.2485.7114.1665.1844.8044.8565.0253.9634.2074.3444.538
Percentage of LegalAndProfessionalFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:LoanAndForeclosureCosts

asb:LoanAndForeclosureCosts


Loan
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-30
Value2671000.02220000.02118000.03605000.03120000.01638000.01814000.0
Percentage of LoanAndForeclosureCosts100.0100.0100.0100.0100.0100.0100.0

asb:LossOnPrepaymentsOfFHLBAdvances

asb:LossOnPrepaymentsOfFHLBAdvances


Loss
Period End2020-12-312020-09-30
Value0.044
Percentage of LossOnPrepaymentsOfFHLBAdvances0.0100.0

asb:LossOnPrepaymentsOfFHLBAdvances us-gaap:StatementBusinessSegments

asb:RiskManagementandSharedSeriviesSegment


Loss
Period End2020-12-31
Value0.0
Percentage of LossOnPrepaymentsOfFHLBAdvances0.0

asb:MSRAdditionfromBusinessCombination

asb:MSRAdditionfromBusinessCombination


M
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0001357000.000000008136000.0
Percentage of MSRAdditionfromBusinessCombination0.00.00.0100.00.00.00.00.00.00.00.0100.0

asb:NetChangeinTaxCreditInvestments

asb:NetChangeinTaxCreditInvestments


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-31
Value2112195.3541217171912182413117.24184.19433-2.62110
Percentage of NetChangeinTaxCreditInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:Netintersegmentinterestincomeexpense us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

asb:Netintersegmentinterestincomeexpense

us-gaap:OperatingSegments, asb:CommunityConsumerandBusinesssegment


Netintersegmentinterestincomeexpenseus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value13129.23114182725232124179.894
Percentage of Netintersegmentinterestincomeexpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingSegments, asb:CorporateandCommercialSpecialtysegment


Netintersegmentinterestincomeexpenseus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value6.3946.6846.9376.889-12.336-17.318-20.061-22.622-13.018-14.656-8.477-0.758
Percentage of Netintersegmentinterestincomeexpense45.951.975.148.0-66.0-62.6-78.4-96.5-59.3-60.6-49.4-7.7

us-gaap:OperatingSegments, asb:RiskManagementandSharedSeriviesSegment


Netintersegmentinterestincomeexpenseus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value-20.316-19.559-16.167-21.229-6.349-10.333-5.525-0.821-8.933-9.546-8.671-9.136
Percentage of Netintersegmentinterestincomeexpense-145.9-151.9-175.1-148.0-34.0-37.4-21.6-3.5-40.7-39.4-50.6-92.3

asb:NoninterestIncomeInScopeofTopic606

asb:NoninterestIncomeInScopeofTopic606


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value53515849667171727172717272726765
Percentage of NoninterestIncomeInScopeofTopic606100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:NoninterestIncomeInScopeofTopic606 us-gaap:ProductOrService

asb:InsuranceCommissionsandFees


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.0860.0760.0920.114222219202225212123221919
Percentage of NoninterestIncomeInScopeofTopic6060.20.10.20.233.531.727.428.832.335.129.629.833.031.128.630.4

us-gaap:CreditAndDebitCard


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value119.7649.87108.9229.6079.93910109.295109.826109.472
Percentage of NoninterestIncomeInScopeofTopic60620.618.916.920.713.313.513.814.414.312.814.413.513.913.0

us-gaap:DepositAccount


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value15141514111516161515161616161516
Percentage of NoninterestIncomeInScopeofTopic60629.128.726.229.017.221.322.322.821.720.822.823.222.522.623.524.9

us-gaap:FiduciaryAndTrust


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value22222221202021212020131420201312
Percentage of NoninterestIncomeInScopeofTopic60642.443.337.743.031.229.230.028.929.127.818.619.427.928.419.619.6

us-gaap:FinancialServiceOther


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value4.1734.653113.4873.1813.0964.6193.6831.8432.4843.5023.1281.9523.544
Percentage of NoninterestIncomeInScopeofTopic6067.89.019.17.14.84.36.45.12.63.44.94.32.74.9

asb:NoninterestIncomeInScopeofTopic606 us-gaap:ProductOrService, us-gaap:StatementBusinessSegments

asb:InsuranceCommissionsandFees, asb:CommunityConsumerandBusiness


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.0460.050.0620.055222219212225212123221919
Percentage of NoninterestIncomeInScopeofTopic6060.10.10.10.133.431.627.328.932.335.129.629.732.931.128.630.4

asb:InsuranceCommissionsandFees, asb:CorporateandCommercialSpecialty


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.0380.0240.0290.0570.0470.0760.0810.1090.00.00.00.00.00.00.00.0
Percentage of NoninterestIncomeInScopeofTopic6060.10.00.00.10.10.10.10.10.00.00.00.00.00.00.00.0

asb:InsuranceCommissionsandFees, asb:RiskManagementandSharedServices


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.0020.0020.0020.0020.0030.0030.093-0.0870.0030.0030.0030.0040.0070.0240.0040.002
Percentage of NoninterestIncomeInScopeofTopic6060.00.00.00.00.00.00.1-0.10.00.00.00.00.00.00.00.0

us-gaap:CreditAndDebitCard, asb:CommunityConsumerandBusiness


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value109.3259.5459.6998.6479.0459.52109.7918.9199.999.4899.8069.154
Percentage of NoninterestIncomeInScopeofTopic60619.818.016.319.712.912.713.213.913.812.313.913.013.512.6

us-gaap:CreditAndDebitCard, asb:CorporateandCommercialSpecialty


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.3910.4350.3180.4740.2280.5150.3720.3360.3380.3280.320.3530.3470.315
Percentage of NoninterestIncomeInScopeofTopic6060.70.80.51.00.30.70.50.50.50.50.40.50.50.4

us-gaap:CreditAndDebitCard, asb:RiskManagementandSharedServices


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.0050.0040.0070.0340.0470.0470.0470.0450.0480.0490.046-0.0150.0030.003
Percentage of NoninterestIncomeInScopeofTopic6060.00.00.00.10.10.10.10.10.10.10.1-0.00.00.0

us-gaap:DepositAccount, asb:CommunityConsumerandBusiness


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value119.935109.8167.1731112131211131312121212
Percentage of NoninterestIncomeInScopeofTopic60620.719.218.319.910.716.318.018.417.216.118.218.217.316.818.019.1

us-gaap:DepositAccount, asb:CorporateandCommercialSpecialty


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value4.4544.9054.5874.4584.3073.5513.1183.1823.1953.3883.3013.6693.7864.2253.6723.824
Percentage of NoninterestIncomeInScopeofTopic6068.39.57.89.16.45.04.34.44.54.74.65.05.25.85.55.9

us-gaap:DepositAccount, asb:RiskManagementandSharedServices


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.0070.0150.0140.010.0040.0050.0050.0120.0140.0190.0190.0250.0130.0120.0160.012
Percentage of NoninterestIncomeInScopeofTopic6060.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FiduciaryAndTrust, asb:CommunityConsumerandBusiness


Noninterest
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.0-8.7245.1025.0121212020131420201312
Percentage of NoninterestIncomeInScopeofTopic6060.0-17.77.67.030.028.929.127.818.619.427.928.119.619.6

us-gaap:FiduciaryAndTrust, asb:CorporateandCommercialSpecialty


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value22222221151520200.00.00.00.00.00.00.00.0
Percentage of NoninterestIncomeInScopeofTopic60642.443.337.743.023.622.229.127.90.00.00.00.00.00.00.00.0

us-gaap:FinancialServiceOther, asb:CommunityConsumerandBusiness


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value2.0473.579112.1682.8612.2862.7772.8032.742.6322.6762.9182.6572.837
Percentage of NoninterestIncomeInScopeofTopic6063.86.920.04.44.33.23.93.93.93.63.74.03.63.9

us-gaap:FinancialServiceOther, asb:CorporateandCommercialSpecialty


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value1.1620.6850.9811.40.2940.7881.4770.809-1.016-0.2680.7630.088-0.8130.655
Percentage of NoninterestIncomeInScopeofTopic6062.21.31.72.80.41.12.11.1-1.4-0.41.10.1-1.10.9

us-gaap:FinancialServiceOther, asb:RiskManagementandSharedServices


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value0.9630.389-1.519-0.0820.0260.0230.3650.0710.1190.120.0630.1220.1080.052
Percentage of NoninterestIncomeInScopeofTopic6061.80.8-2.6-0.20.00.00.50.10.20.20.10.20.10.1

asb:NoninterestIncomeInScopeofTopic606 us-gaap:StatementBusinessSegments

asb:CommunityConsumerandBusiness


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value23223221465066686868676869676260
Percentage of NoninterestIncomeInScopeofTopic60644.544.254.844.169.070.892.494.096.295.093.894.295.292.493.692.8

asb:CorporateandCommercialSpecialty


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value2828272720204.9674.3262.5173.4484.3844.113.325.1954.144.617
Percentage of NoninterestIncomeInScopeofTopic60653.755.047.855.930.929.16.95.93.54.86.15.74.67.16.27.1

asb:RiskManagementandSharedServices


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.9780.409-1.496-0.0360.080.0770.5090.0410.1840.1910.1010.1060.1560.3320.1180.068
Percentage of NoninterestIncomeInScopeofTopic6061.80.8-2.6-0.10.10.10.70.10.30.30.10.10.20.50.20.1

asb:NoninterestIncomeOutsideofScopeofTopic606

asb:NoninterestIncomeOutsideofScopeofTopic606


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value1943272618726212824181215201717201714
Percentage of NoninterestIncomeOutsideofScopeofTopic606100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:NoninterestIncomeOutsideofScopeofTopic606 us-gaap:StatementBusinessSegments

asb:CommunityConsumerandBusiness


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value7.866231311127.1157.661129.9145.3254.2115.3356.9016.8384.9367.3015.3024.83
Percentage of NoninterestIncomeOutsideofScopeofTopic60639.553.348.742.76.626.436.445.440.128.534.434.234.538.728.235.430.532.3

asb:CorporateandCommercialSpecialty


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value9.83714109.86410149.19.125117.9988.788.17107.488117.6618.0717.236
Percentage of NoninterestIncomeOutsideofScopeofTopic60649.433.437.637.55.352.243.232.447.742.971.852.454.342.465.037.146.448.4

asb:RiskManagementandSharedServices


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2.2175.7753.7125.2181655.7774.2996.2243.05.342-0.7572.0772.2423.3291.1945.6824.0222.884
Percentage of NoninterestIncomeOutsideofScopeofTopic60611.113.313.719.888.121.420.422.112.128.6-6.213.311.218.96.827.523.119.3

asb:OperatingLeaseCostsTerminationOfLeasesWithConsolidatingBranches

asb:OperatingLeaseCostsTerminationOfLeasesWithConsolidatingBranches


Operating
Period End2020-09-30
Value1500000.0
Percentage of OperatingLeaseCostsTerminationOfLeasesWithConsolidatingBranches100.0

asb:OtherComprehensiveIncomeLossPensionandOtherPostretirementBenefitPlansAmortizedGainLossDuringPeriodBeforeTax

asb:OtherComprehensiveIncomeLossPensionandOtherPostretirementBenefitPlansAmortizedGainLossDuringPeriodBeforeTax


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value-1050000.0-1050000.0-1313000.0-803000.0-808000.0-229000.0-64000.0-64000.0-551000.0-465000.0-465000.0
Percentage of OtherComprehensiveIncomeLossPensionandOtherPostretirementBenefitPlansAmortizedGainLossDuringPeriodBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:PrepaymentOfFHLBAdvances

asb:PrepaymentOfFHLBAdvances


Prepayment
Period End2020-09-30
Value950
Percentage of PrepaymentOfFHLBAdvances100.0

asb:ProceedsFromPaycheckProtectionProgramLoanFunding

asb:ProceedsFromPaycheckProtectionProgramLoanFunding


Proceeds
Period End2020-09-30
Value12
Percentage of ProceedsFromPaycheckProtectionProgramLoanFunding100.0

asb:ProceedsfromFHLBAdvance

asb:ProceedsfromFHLBAdvance


Proceedsfrom
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value5.00.251-8.2150.04.00.0-1503.1461503-500.94-250.6334.0960.189-1841.9650.0-250.0
Percentage of ProceedsfromFHLBAdvance100.0100.0100.00.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0

asb:ProvisionforCreditLossesImpairedLoans us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

asb:ProvisionforCreditLossesImpairedLoans

us-gaap:FairValueInputsLevel3, us-gaap:FairValueMeasurementsNonrecurring


Provisionfor
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1.6171.6130.6633834235.5451724181.3380.752-2.0871454-6.2419.323-25.785-21.328-33.993-4.776-15.097
Percentage of ProvisionforCreditLossesImpairedLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:RepaymentofFHLBAdvance

asb:RepaymentofFHLBAdvance


Repaymentof
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value152.954-2007.749950115.464-1527.6931525-762.711-0.169-250.004-1500.012-150.0-250.0-0.003
Percentage of RepaymentofFHLBAdvance100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:Segmentnetinterestincome

asb:Segmentnetinterestincome


Segmentnetinterestincome
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value179175187182189202200206213215223219226209187190
Percentage of Segmentnetinterestincome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:Segmentnetinterestincome us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:OperatingSegments, asb:CommunityConsumerandBusinesssegment


Segmentnetinterestincomeus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value848182879310911011111311410390
Percentage of Segmentnetinterestincome46.846.145.546.146.152.951.751.751.650.649.347.8

us-gaap:OperatingSegments, asb:CorporateandCommercialSpecialtysegment


Segmentnetinterestincomeus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value9999981051019395931001079592
Percentage of Segmentnetinterestincome55.656.854.355.749.845.444.743.345.747.445.748.6

us-gaap:OperatingSegments, asb:RiskManagementandSharedSeriviesSegment


Segmentnetinterestincomeus-gaap:
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value-4.318-5.0940.305-3.3018.1883.5867.572105.8374.413106.814
Percentage of Segmentnetinterestincome-2.4-2.90.2-1.74.01.73.55.02.71.94.93.6

asb:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsPerShareFairValueOfStockOptions

asb:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsPerShareFairValueOfStockOptions


Share
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value0002.390004.00004.470005.33.36003.360003.08
Percentage of ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsPerShareFairValueOfStockOptions0.00.00.0100.00.00.00.0100.00.00.00.0100.00.00.00.0100.0100.00.00.0100.00.00.00.0100.0

asb:TaxBenefitFromTaxPlanningStrategies

asb:TaxBenefitFromTaxPlanningStrategies


Tax
Period End2020-12-312020-09-30
Value0.049
Percentage of TaxBenefitFromTaxPlanningStrategies0.0100.0

asb:UndistributedEarningsAllocatedToCommonShareholders

asb:UndistributedEarningsAllocatedToCommonShareholders


Undistributed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value5760331211513395152545657604126443635333429232331322931343029
Percentage of UndistributedEarningsAllocatedToCommonShareholders100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:UndistributedEarningsAllocatedToUnvestedShareBasedPaymentAwards

asb:UndistributedEarningsAllocatedToUnvestedShareBasedPaymentAwards


Undistributed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value422000.0387000.0220000.087000.0934000.090000.0293000.0380000.0395000.0292000.0288000.0288000.0310000.0182000.0137000.0258000.0228000.0278000.0361000.0375000.0334000.0241000.0255000.0350000.0365000.0278000.0318000.0348000.0304000.0190000.0
Percentage of UndistributedEarningsAllocatedToUnvestedShareBasedPaymentAwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:UndistributedEarningsAllocations

asb:UndistributedEarningsAllocations


Undistributed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value5861331211613395253545757604126443735343530232332323032343029
Percentage of UndistributedEarningsAllocations100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:UndistributedEarningsBasic

asb:UndistributedEarningsBasic


Undistributed
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value57603312115133951525456576041-259.011443635333429232331322931343029
Percentage of UndistributedEarningsBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:UnsettledTradesToPurchaseSecurities

asb:UnsettledTradesToPurchaseSecurities


Unsettled
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-06-302018-03-312017-06-302017-03-31
Value3.0-19.515200.0-2.5772.441-11.108113.244120.00.0
Percentage of UnsettledTradesToPurchaseSecurities100.0100.0100.00.0100.0100.0100.0100.0100.0100.00.00.0

asb:UnvestedShareBasedPaymentAwards

asb:UnvestedShareBasedPaymentAwards


Unvested
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value203000.0209000.0183000.0199000.0222000.0128000.0207000.0198000.0205000.0103000.0141000.0128000.0130000.0138000.0118000.0105000.0110000.0117000.0190000.0177000.0182000.0206000.0176000.0164000.0172000.0114000.0152000.0140000.0143000.0151000.0
Percentage of UnvestedShareBasedPaymentAwards100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

asb:VisaRestrictedStockOwned

asb:VisaRestrictedStockOwned


Visa
Period End2020-12-312019-12-312019-09-302019-06-30
Value77996.077000.077000.077000.0
Percentage of VisaRestrictedStockOwned100.0100.0100.0100.0

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments


Accretion
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-2855000.0-7941000.0-3280000.0-7688000.0-8332000.0-5728000.0-5966000.0-3112000.0-7924000.0-6571000.0-1156000.0-10045000.01765000.0-2188000.0-10246000.0-9341000.0-9674000.0-8215000.0-12538000.0-12032000.0-11353000.0-10692000.0-10767000.0-9582000.0-9885000.0-9572000.0-6498000.0-7859000.0-7251000.0-6537000.0-7992000.0-10679000.0-12225000.0-14069000.0-9701000.0-15387000.0-13864000.0-16149000.0-19484000.0-15765000.0-14155000.0-16266000.0-17431000.0-15831000.0-13615000.0-15837000.0
Percentage of AccretionAmortizationOfDiscountsAndPremiumsInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AmortizationOfMortgageServicingRightsMSRs

us-gaap:AmortizationOfMortgageServicingRightsMSRs


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.9646.3886.2486.3736.4083.6353.6833.3012.7552.6932.4512.4942.3252.3242.4492.5512.6072.4773.1853.2463.0222.8742.6992.7552.9683.1792.8432.6792.822.7253.0093.2884.2024.9896.0225.5515.3586.4178.455.7435.7685.8696.0925.7455.5825.523
Percentage of AmortizationOfMortgageServicingRightsMSRs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument, us-gaap:ValuationTechnique

us-gaap:AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate

srt:Maximum, us-gaap:FairValueInputsLevel3, asb:ImpairedFinanceReceivable, asb:AppraisalsDiscountedCashFlow


Assumption
Period End2021-06-302021-03-312020-12-312020-09-30
Value15.038.0-2.041.32
Percentage of AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate100.0100.0100.0100.0

srt:Maximum, us-gaap:FairValueInputsLevel3, us-gaap:ServicingContracts, asb:DiscountedCashFlow


Assumption
Period End2021-06-302021-03-312020-12-312020-09-30
Value014.0013.86
Percentage of AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate0.036.8-0.033.5

srt:Minimum, us-gaap:FairValueInputsLevel3, asb:ImpairedFinanceReceivable, asb:AppraisalsDiscountedCashFlow


Assumption
Period End2021-06-302021-03-312020-12-312020-09-30
Value9.025.000
Percentage of AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate60.065.8-0.00.0

srt:Minimum, us-gaap:FairValueInputsLevel3, us-gaap:ServicingContracts, asb:DiscountedCashFlow


Assumption
Period End2021-06-302021-03-312020-12-312020-09-30
Value09.008.91
Percentage of AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate0.023.7-0.021.6

srt:WeightedAverage, us-gaap:FairValueInputsLevel3, asb:ImpairedFinanceReceivable, asb:AppraisalsDiscountedCashFlow


Assumption
Period End2021-06-302021-03-312020-12-312020-09-30
Value4.034.0-3.036.34
Percentage of AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate26.789.5150.087.9

srt:WeightedAverage, us-gaap:FairValueInputsLevel3, us-gaap:ServicingContracts, asb:DiscountedCashFlow


Assumption
Period End2021-06-302021-03-312020-12-312020-09-30
Value09.008.91
Percentage of AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate0.023.7-0.021.6

us-gaap:AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesPrepaymentSpeed us-gaap:Range, us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FinancialInstrument, us-gaap:ValuationTechnique

us-gaap:AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesPrepaymentSpeed

srt:Maximum, us-gaap:FairValueInputsLevel3, us-gaap:ServicingContracts, asb:DiscountedCashFlow


Assumption
Period End2021-06-302021-03-312020-12-312020-09-30
Value-2.045.01.045.65
Percentage of AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesPrepaymentSpeed100.0100.0100.0100.0

srt:Minimum, us-gaap:FairValueInputsLevel3, us-gaap:ServicingContracts, asb:DiscountedCashFlow


Assumption
Period End2021-06-302021-03-312020-12-312020-09-30
Value-1.010.0-6.013.88
Percentage of AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesPrepaymentSpeed50.022.2-600.030.4

srt:WeightedAverage, us-gaap:FairValueInputsLevel3, us-gaap:ServicingContracts, asb:DiscountedCashFlow


Assumption
Period End2021-06-302021-03-312020-12-312020-09-30
Value016.0019.82
Percentage of AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesPrepaymentSpeed-0.035.60.043.4

us-gaap:AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments

us-gaap:AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments


Availableforsale
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-30
Value0.024-0.0393.0966.1180.0263.7880.4631.680.00.03-2.0150.00.0750.0030.3560.03.115-0.0133.1163.0984.0952.7961.2420.0-0.0180.2480.0340.30.1523.5060.5630.04-0.2160.001-0.0140.0010.05.273
Percentage of AvailableforsaleSecuritiesGrossRealizedGainLossExcludingOtherThanTemporaryImpairments100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:BusinessCombinationAcquisitionRelatedCosts us-gaap:ConsolidationItems, us-gaap:StatementBusinessSegments

us-gaap:BusinessCombinationAcquisitionRelatedCosts

us-gaap:OperatingSegments, asb:RiskManagementandSharedSeriviesSegment


Business
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-0.010.2180.5181.7211.3251.6293.7340.632-0.9812.2717.10720
Percentage of BusinessCombinationAcquisitionRelatedCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1 us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1

us-gaap:NotDesignatedAsHedgingInstrumentEconomicHedge, us-gaap:InterestIncome


Change
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-352000.0-485000.0-481000.0-542000.0-322000.0452000.04165000.02057000.04429000.0-2522000.0-2133000.0276000.0
Percentage of ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NotDesignatedAsHedgingInstrumentEconomicHedge, us-gaap:OtherOperatingIncomeExpense


Change
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value00-262000.00000000
Percentage of ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1-0.0-0.081.40.00.00.00.0-0.0-0.00.0

us-gaap:ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1 us-gaap:IncomeStatementLocation

us-gaap:InterestIncome


Change
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value-352000.0-485000.0-434000.0-481000.0-542000.0-322000.0-608000.0-59000.053000.0166000.0-1295000.0-17000.05000.018000.0
Percentage of ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1100.0100.00.0100.0100.0100.00.0-13.11.38.1-29.20.7-0.26.5

us-gaap:OtherOperatingIncomeExpense


Change
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value00-262000.000000000
Percentage of ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1-0.0-0.081.40.00.00.00.00.0-0.0-0.00.0

us-gaap:CommonStockDividendsPerShareCashPaid

us-gaap:CommonStockDividendsPerShareCashPaid


Common
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312011-06-302011-03-312010-06-302010-03-31
Value0.180.180.180.170.170.170.150.150.150.010.010.010.01
Percentage of CommonStockDividendsPerShareCashPaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockDividendsPerShareDeclared us-gaap:Dividends, us-gaap:StatementClassOfStock, us-gaap:SubsequentEventType

us-gaap:CommonStockDividendsPerShareDeclared

us-gaap:DividendDeclared, us-gaap:CommonStock, us-gaap:SubsequentEvent


Common
Period End2021-02-02
Value0.18
Percentage of CommonStockDividendsPerShareDeclared100.0

us-gaap:DebtAndEquitySecuritiesRealizedGainLoss

us-gaap:DebtAndEquitySecuritiesRealizedGainLoss


Debt
Period End2020-09-302020-06-302019-09-302019-06-30
Value7000.03096000.03788000.0463000.0
Percentage of DebtAndEquitySecuritiesRealizedGainLoss100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain

us-gaap:DebtSecuritiesAvailableForSaleRealizedGain


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value386000.036000.007000.03106000.06198000.027000.04013000.0654000.01680000.001954000.00000
Percentage of DebtSecuritiesAvailableForSaleRealizedGain100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.00.00.00.00.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.3620.0750.00.00.0110.080.00.225130.00.01.9232.0150.00.00.0
Percentage of DebtSecuritiesAvailableForSaleRealizedLoss100.0100.00.00.0100.0100.00.0100.0100.00.00.0100.0100.00.00.00.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedLoss us-gaap:StatementEquityComponents

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Debt
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value0.024-0.0390.0073.0966.1183.7880.463-1.68-0.032.015
Percentage of DebtSecuritiesAvailableForSaleRealizedLoss6.6-52.00.028145.57647.51683.63.40.0-1.6100.0

us-gaap:AccumulatedOtherComprehensiveIncome


Debt
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value0.024-0.0390.0073.0966.1183.7880.463-1.68-0.032.015
Percentage of DebtSecuritiesAvailableForSaleRealizedLoss6.6-52.00.028145.57647.51683.63.40.0-1.6100.0

us-gaap:DebtSecuritiesRealizedGainLoss

us-gaap:DebtSecuritiesRealizedGainLoss


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value24000.0-39000.007000.03096000.06118000.026000.03788000.0463000.01680000.0030000.0-2015000.0075000.03000.0
Percentage of DebtSecuritiesRealizedGainLoss100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0

us-gaap:DebtSecuritiesTradingRealizedGain

us-gaap:DebtSecuritiesTradingRealizedGain


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value7000.03106000.06198000.027000.04013000.0654000.01680000.001954000.00075000.03000.0
Percentage of DebtSecuritiesTradingRealizedGain100.0100.0100.0100.0100.0100.0100.00.0100.00.00.0100.0100.0

us-gaap:DebtSecuritiesTradingRealizedLoss

us-gaap:DebtSecuritiesTradingRealizedLoss


Debt
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-30
Value0.00.0110.080.00.225130.00.01.9232.0150.00.00.0
Percentage of DebtSecuritiesTradingRealizedLoss0.0100.0100.00.0100.0100.00.00.0100.0100.00.00.00.0

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfGainsLosses

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-1050000.0-1050000.0-974000.0-1313000.0-803000.0-808000.0-120000.0-230000.0-65000.0-65000.0-721000.0-549000.0-463000.0-463000.0-684000.0-619000.0-487000.0-488000.0-529000.0-621000.0-483000.0
Percentage of DefinedBenefitPlanAmortizationOfGainsLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanAmortizationOfPriorServiceCostCredit

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-19000.0-19000.0-19000.0-19000.0-19000.0-19000.0-19000.0-19000.0-19000.0-19000.0-19000.0-19000.0-19000.0-19000.0-18000.0-19000.0-19000.0-19000.0000
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-18000.0-18000.0-18000.0-18000.0-19000.0-19000.0-18000.0-18000.0-19000.0-19000.0-17000.0-18000.0-19000.0-19000.0-17000.0-19000.0-18000.0-19000.0-18000.0-80000.012000.0
Percentage of DefinedBenefitPlanAmortizationOfPriorServiceCostCredit94.794.794.794.7100.0100.094.794.7100.0100.089.594.7100.0100.094.4100.094.7100.00.00.00.0

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanExpectedReturnOnPlanAssets

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value6.436.436.3996.3866.4056.4056.0836.0996.0756.0758.9084.7774.7554.7554.9544.9294.8824.8815.0725.0855.065
Percentage of DefinedBenefitPlanExpectedReturnOnPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DefinedBenefitPlanInterestCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanInterestCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value13000.013000.019000.020000.020000.020000.026000.026000.026000.026000.028000.027000.027000.026000.027000.026000.024000.024000.035000.035000.036000.0
Percentage of DefinedBenefitPlanInterestCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value1623000.01623000.02046000.02124000.02008000.02008000.02438000.02489000.02413000.02413000.04123000.01682000.01660000.01660000.01814000.01795000.01756000.01756000.01780000.01781000.01780000.0
Percentage of DefinedBenefitPlanInterestCost12484.612484.610768.410620.010040.010040.09376.99573.19280.89280.814725.06229.66148.16384.66718.56903.87316.77316.75085.75088.64944.4

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanNetPeriodicBenefitCost

us-gaap:OtherPostretirementBenefitPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-6000.0-6000.01000.01000.01000.01000.06000.06000.06000.06000.011000.011000.010000.09000.011000.09000.05000.05000.035000.035000.036000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value-1701000.0-1701000.0-1336000.0-1114000.0-1449000.0-1444000.0-1727000.0-1800000.0-1691000.0-1691000.0-1403000.0-680000.0-759000.0-759000.0-794000.0-821000.0-875000.0-875000.0-1087000.0-1127000.0-1065000.0
Percentage of DefinedBenefitPlanNetPeriodicBenefitCost28350.028350.0-133600.0-111400.0-144900.0-144400.0-28783.3-30000.0-28183.3-28183.3-12754.5-6181.8-7590.0-8433.3-7218.2-9122.2-17500.0-17500.0-3105.7-3220.0-2958.3

us-gaap:DefinedBenefitPlanServiceCost us-gaap:RetirementPlanType

us-gaap:DefinedBenefitPlanServiceCost

us-gaap:PensionPlansDefinedBenefit


Defined
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-30
Value2.0752.0752.0611.8532.1652.1651.8151.5981.9251.9251.871.8851.8931.8931.6791.7131.7821.7811.6941.6361.725
Percentage of DefinedBenefitPlanServiceCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value1212119.588141414141414
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet us-gaap:DerivativeInstrumentRisk, us-gaap:IncomeStatementLocation

us-gaap:DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet

asb:InterestRateRelatedInstrumentsCustomerAndMirror, asb:CapitalMarketFees


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-31
Value-0.952.9380.890.507-0.065-3.090.916-0.619-1.018-0.672-0.670.246-0.3840.4920.091-0.046-0.3140.2452.8660.538-0.556-0.870.769-0.170.549-0.294-0.140.635-0.0790.07
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommodityContract, us-gaap:MortgageBanking


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value4.685-6.31.2939.679-10.2621.313-0.0780.2472.271
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet-493.2-214.4255.0-14890.8332.1-212.17.7-36.8923.2

us-gaap:ForeignExchangeForward, us-gaap:MortgageBanking


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value-0.373-2.708-4.9480.3829.928-2.8511.8370.824-1.602
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet39.3-92.2-975.9-587.7-321.3460.6-180.5-122.6-651.2

us-gaap:ForwardContracts, asb:CapitalMarketFees


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value-0.512-0.621-0.086-0.1050.7460.208-1.678-0.567-0.072
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet53.9-21.1-17.0161.5-24.1-33.6164.884.4-29.3

us-gaap:InterestRateLockCommitments, asb:CapitalMarketFees


Derivative
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value-0.0250.1430.0490.041-0.1220.0720.1860.026-0.092
Percentage of DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet2.64.99.7-63.13.9-11.6-18.3-3.9-37.4

us-gaap:DividendsCommonStock

us-gaap:DividendsCommonStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value27272727272828272728272525252118181818161616161415151513141414131313138.5948.6048.68312-1.734-1.7331.73212-1.73-1.729
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash

us-gaap:DividendsCommonStockCash


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2727272728272728282526252118181818161616161515151514141414131313138.638.6448.7351.7461.7441.7451.7421.7381.7381.7361.736
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStockCash us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2727272728272728282526252118181818161616161515151514141414131313138.638.6448.7351.7461.7441.7451.7421.7381.7381.7361.736
Percentage of DividendsCommonStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStockCash

us-gaap:DividendsPreferredStockCash


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.8755.2075.2074.1443.8013.8013.8013.8013.7072.4092.3292.3392.3392.3392.3392.332.3482.1882.1692.1982.1982.1841.5451.2281.2251.2551.2781.2441.2731.2851.31.31.31.31.31.31.32.8563.4996.563-45.9386.5636.5636.562
Percentage of DividendsPreferredStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStockCash us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.8755.2075.2074.1443.8013.8013.8013.8013.7072.4092.3292.3392.3392.3392.3392.332.3482.1882.1692.1982.1982.1841.5451.2281.2251.2551.2781.2441.2731.2851.31.31.31.31.31.31.32.8563.4996.563-45.9386.5636.5636.562
Percentage of DividendsPreferredStockCash100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:EquipmentExpense

us-gaap:EquipmentExpense


Equipment
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value5.4815.5185.5555.3995.3125.4395.976.3355.5775.6685.8965.8385.9535.5565.255.2325.2345.4855.3285.3195.3965.4465.6956.0035.7395.7726.1486.1336.2276.2766.5096.2136.4626.1676.4445.9355.7195.4685.2864.8514.9694.7674.8994.6374.454.385
Percentage of EquipmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings us-gaap:FairValueByAssetClass

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings

asb:Derivatives


Fair
Period End2021-06-302021-03-312020-12-312020-09-30
Value-4.7182.4472.4490.315
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings100.0100.0100.0100.0

us-gaap:DerivativeFinancialInstrumentsAssets


Fair
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.117-5.1514.7362.236
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings-2.5-210.5193.4709.8

us-gaap:DerivativeFinancialInstrumentsLiabilities


Fair
Period End2021-06-302021-03-312020-12-312020-09-30
Value4.835-7.5982.2871.922
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings-102.5-310.593.4610.2

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchases us-gaap:FairValueByAssetClass

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchases

asb:Derivatives


Fair
Period End2021-06-302021-03-312020-12-312020-09-30
Value16171416
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchases100.0100.0100.0100.0

us-gaap:DerivativeFinancialInstrumentsAssets


Fair
Period End2021-06-302021-03-312020-12-312020-09-30
Value15161315
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchases95.393.388.491.8

us-gaap:DerivativeFinancialInstrumentsLiabilities


Fair
Period End2021-06-302021-03-312020-12-312020-09-30
Value-0.767-1.203-1.715-1.351
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchases-4.7-6.7-11.6-8.2

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements us-gaap:FairValueByAssetClass

us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements

asb:Derivatives


Fair
Period End2021-06-302021-03-312020-12-312020-09-30
Value-16492000.0-16687000.0-17583000.0-20523000.0
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements100.0100.0100.0100.0

us-gaap:DerivativeFinancialInstrumentsAssets


Fair
Period End2021-06-302021-03-312020-12-312020-09-30
Value-15875000.0-14186000.0-16001000.0-22495000.0
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements96.385.091.0109.6

us-gaap:DerivativeFinancialInstrumentsLiabilities


Fair
Period End2021-06-302021-03-312020-12-312020-09-30
Value617000.02501000.01582000.0-1972000.0
Percentage of FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements-3.7-15.0-9.09.6

us-gaap:FederalDepositInsuranceCorporationPremiumExpense

us-gaap:FederalDepositInsuranceCorporationPremiumExpense


Federal
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value3.64.755.73.95.255.54.04.04.53.755.757.758.258.257.57.88.08.09.259.08.757.757.56.06.06.56.9566.8594.9455.0014.8794.7554.3955.4324.8135.0174.7784.876.1366.9067.1988.24411111211
Percentage of FederalDepositInsuranceCorporationPremiumExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FeesAndCommissionsMortgageBankingAndServicing

us-gaap:FeesAndCommissionsMortgageBankingAndServicing


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value8.128231412126.1436.76109.4664.7123.2714.0126.2586.373.1696.5855.0274.57911184.0674.2048.2716.6439.9417.4082.9286.6695.3626.3618.2773.5421917131516179.6774.521-3.321.845139.0075.493
Percentage of FeesAndCommissionsMortgageBankingAndServicing100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinanceLeasePrincipalPayments

us-gaap:FinanceLeasePrincipalPayments


Finance
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value998000.037000.037000.037000.01006000.01000.0
Percentage of FinanceLeasePrincipalPayments100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease asb:AllowanceType

us-gaap:FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease

asb:AllowanceForLoanLosses


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0003504000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.0100.0

asb:AllowanceForLoansLossesAndUnfundedCommitments


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0003504000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease asb:AllowanceType, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

asb:AllowanceForLoanLosses, asb:CommercialAndBusinessLending


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0001183000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.033.8

asb:AllowanceForLoanLosses, asb:CommercialAndIndustrialFinancingReceivable


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value000293000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.08.4

asb:AllowanceForLoanLosses, asb:CommercialRealEstateInvestorPortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value000753000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.021.5

asb:AllowanceForLoanLosses, asb:CommercialRealEstateOwnerOccupiedPortfolio


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value000890000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.025.4

asb:AllowanceForLoanLosses, asb:InstallmentPortFolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value00061000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.01.7

asb:AllowanceForLoanLosses, us-gaap:CommercialPortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0002371000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.067.7

asb:AllowanceForLoanLosses, us-gaap:CommercialRealEstatePortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0001188000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.033.9

asb:AllowanceForLoanLosses, us-gaap:ConstructionLoans


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value000435000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.012.4

asb:AllowanceForLoanLosses, us-gaap:ConsumerPortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0001134000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.032.4

asb:AllowanceForLoanLosses, us-gaap:HomeEquity


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value000422000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.012.0

asb:AllowanceForLoanLosses, us-gaap:ResidentialPortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value000651000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.018.6

asb:AllowanceForLoansLossesAndUnfundedCommitments, asb:CommercialAndBusinessLending


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0001183000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.033.8

asb:AllowanceForLoansLossesAndUnfundedCommitments, asb:CommercialAndIndustrialFinancingReceivable


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value000293000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.08.4

asb:AllowanceForLoansLossesAndUnfundedCommitments, asb:CommercialRealEstateInvestorPortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value000753000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.021.5

asb:AllowanceForLoansLossesAndUnfundedCommitments, asb:CommercialRealEstateOwnerOccupiedPortfolio


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value000890000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.025.4

asb:AllowanceForLoansLossesAndUnfundedCommitments, asb:InstallmentPortFolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value00061000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.01.7

asb:AllowanceForLoansLossesAndUnfundedCommitments, us-gaap:CommercialPortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0002371000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.067.7

asb:AllowanceForLoansLossesAndUnfundedCommitments, us-gaap:CommercialRealEstatePortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0001188000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.033.9

asb:AllowanceForLoansLossesAndUnfundedCommitments, us-gaap:ConstructionLoans


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value000435000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.012.4

asb:AllowanceForLoansLossesAndUnfundedCommitments, us-gaap:ConsumerPortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0001134000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.032.4

asb:AllowanceForLoansLossesAndUnfundedCommitments, us-gaap:HomeEquity


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value000422000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.012.0

asb:AllowanceForLoansLossesAndUnfundedCommitments, us-gaap:ResidentialPortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value000651000.0
Percentage of FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease0.00.00.018.6

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease asb:AllowanceType

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease

asb:AllowanceForLoanLosses


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-29.5-26.026505234
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease asb:AllowanceType, us-gaap:BusinessAcquisition

asb:AllowanceForLoanLosses, asb:FirstStauntonBancshares


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.02.543
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease0.00.00.07.3

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease asb:AllowanceType, us-gaap:BusinessAcquisition, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

asb:AllowanceForLoanLosses, asb:FirstStauntonBancshares, asb:CommercialAndBusinessLending


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.00.663
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease0.00.00.01.9

asb:AllowanceForLoanLosses, asb:FirstStauntonBancshares, asb:CommercialAndIndustrialFinancingReceivable


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.00.408
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease0.00.00.01.2

asb:AllowanceForLoanLosses, asb:FirstStauntonBancshares, asb:CommercialRealEstateInvestorPortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.00.472
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease0.00.00.01.4

asb:AllowanceForLoanLosses, asb:FirstStauntonBancshares, asb:CommercialRealEstateOwnerOccupiedPortfolio


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.00.255
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease0.00.00.00.7

asb:AllowanceForLoanLosses, asb:FirstStauntonBancshares, asb:InstallmentPortFolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.00.14
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease0.00.00.00.4

asb:AllowanceForLoanLosses, asb:FirstStauntonBancshares, us-gaap:CommercialPortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.01.627
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease0.00.00.04.7

asb:AllowanceForLoanLosses, asb:FirstStauntonBancshares, us-gaap:CommercialRealEstatePortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.00.964
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease0.00.00.02.8

asb:AllowanceForLoanLosses, asb:FirstStauntonBancshares, us-gaap:ConstructionLoans


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.00.492
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease0.00.00.01.4

asb:AllowanceForLoanLosses, asb:FirstStauntonBancshares, us-gaap:ConsumerPortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.00.917
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease0.00.00.02.6

asb:AllowanceForLoanLosses, asb:FirstStauntonBancshares, us-gaap:HomeEquity


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.00.374
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease0.00.00.01.1

asb:AllowanceForLoanLosses, asb:FirstStauntonBancshares, us-gaap:ResidentialPortfolioSegment


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.00.00.403
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease0.00.00.01.2

us-gaap:FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease asb:AllowanceType, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

asb:AllowanceForLoanLosses, asb:CommercialAndBusinessLending


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-21.585-18.869-16.983182745
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease73.272.6-64.136.752.0128.8

asb:AllowanceForLoanLosses, asb:CommercialAndIndustrialFinancingReceivable


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-21.725-19.453-16.485172644
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease73.674.8-62.233.850.4126.7

asb:AllowanceForLoanLosses, asb:CommercialRealEstateInvestorPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-0.2841.694213516-1.664
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease1.0-6.582.869.931.2-4.8

asb:AllowanceForLoanLosses, asb:CommercialRealEstateOwnerOccupiedPortfolio


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.5150.508-0.061.2910.0020.734
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease-1.7-2.0-0.22.60.02.1

asb:AllowanceForLoanLosses, asb:InstallmentPortFolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.816-3.3510.850.3031.6281.681
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease-2.812.93.20.63.14.8

asb:AllowanceForLoanLosses, asb:PaycheckProtectionProgram


Financing
Period End2021-06-302021-03-312020-12-312020-09-30
Value-0.3750.076-0.4370.16
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease1.3-0.3-1.60.3

asb:AllowanceForLoanLosses, us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-26.912-22.15526525140
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease91.285.2101.8104.197.8116.7

asb:AllowanceForLoanLosses, us-gaap:CommercialRealEstatePortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-5.327-3.286433424-4.237
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease18.112.6165.967.445.8-12.1

asb:AllowanceForLoanLosses, us-gaap:ConstructionLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-5.044-4.97922-1.2537.649-2.573
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease17.119.183.1-2.514.6-7.4

asb:AllowanceForLoanLosses, us-gaap:ConsumerPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-2.588-3.845-0.478-2.0611.18-5.824
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease8.814.8-1.8-4.12.2-16.7

asb:AllowanceForLoanLosses, us-gaap:HomeEquity


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-1.642-2.822-0.846-2.258-0.542-1.135
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease5.610.9-3.2-4.5-1.0-3.2

asb:AllowanceForLoanLosses, us-gaap:ResidentialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value-1.7622.328-0.482-0.1060.094-6.37
Percentage of FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease6.0-9.0-1.8-0.20.2-18.2

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery asb:AllowanceType

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery

asb:AllowanceForLoanLosses


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value3.0548.412.8054.4881.8612.268
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery100.0100.0100.0100.0100.0100.0

asb:AllowanceForLoansLossesAndUnfundedCommitments


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value3.0548.412.8054.4881.8612.268
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery asb:AllowanceType, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

asb:AllowanceForLoanLosses, asb:CommercialAndBusinessLending


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value1.9384.4941.9382.9970.9281.288
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery63.553.469.166.849.956.8

asb:AllowanceForLoanLosses, asb:CommercialAndIndustrialFinancingReceivable


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value1.9334.491.7942.9950.9271.288
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery63.353.464.066.749.856.8

asb:AllowanceForLoanLosses, asb:CommercialRealEstateInvestorPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.0112.8540.00.4750.1680.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.433.90.010.69.00.0

asb:AllowanceForLoanLosses, asb:CommercialRealEstateOwnerOccupiedPortfolio


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.0050.0040.1430.0030.0010.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.20.05.10.10.10.0

asb:AllowanceForLoanLosses, asb:InstallmentPortFolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.360.3150.2560.2830.290.272
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery11.83.79.16.315.612.0

asb:AllowanceForLoanLosses, us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value1.9717.3791.9573.4751.1051.307
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery64.587.769.877.459.457.6

asb:AllowanceForLoanLosses, us-gaap:CommercialRealEstatePortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.0342.8850.0190.4780.1760.019
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery1.134.30.710.79.50.8

asb:AllowanceForLoanLosses, us-gaap:ConstructionLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.0230.0310.0190.0030.0080.019
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.80.40.70.10.40.8

asb:AllowanceForLoanLosses, us-gaap:ConsumerPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value1.0831.0310.8491.0130.7560.961
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery35.512.330.322.640.642.4

asb:AllowanceForLoanLosses, us-gaap:HomeEquity


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.6330.5830.5020.4950.3830.598
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery20.76.917.911.020.626.4

asb:AllowanceForLoanLosses, us-gaap:ResidentialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.0880.1340.0910.2350.0830.091
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery2.91.63.25.24.54.0

asb:AllowanceForLoansLossesAndUnfundedCommitments, asb:CommercialAndBusinessLending


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value1.9384.4941.9382.9970.9281.288
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery63.553.469.166.849.956.8

asb:AllowanceForLoansLossesAndUnfundedCommitments, asb:CommercialAndIndustrialFinancingReceivable


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value1.9334.491.7942.9950.9271.288
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery63.353.464.066.749.856.8

asb:AllowanceForLoansLossesAndUnfundedCommitments, asb:CommercialRealEstateInvestorPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.0112.8540.00.4750.1680.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.433.90.010.69.00.0

asb:AllowanceForLoansLossesAndUnfundedCommitments, asb:CommercialRealEstateOwnerOccupiedPortfolio


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.0050.0040.1430.0030.0010.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.20.05.10.10.10.0

asb:AllowanceForLoansLossesAndUnfundedCommitments, asb:InstallmentPortFolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.360.3150.2560.2830.290.272
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery11.83.79.16.315.612.0

asb:AllowanceForLoansLossesAndUnfundedCommitments, us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value1.9717.3791.9573.4751.1051.307
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery64.587.769.877.459.457.6

asb:AllowanceForLoansLossesAndUnfundedCommitments, us-gaap:CommercialRealEstatePortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.0342.8850.0190.4780.1760.019
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery1.134.30.710.79.50.8

asb:AllowanceForLoansLossesAndUnfundedCommitments, us-gaap:ConstructionLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.0230.0310.0190.0030.0080.019
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.80.40.70.10.40.8

asb:AllowanceForLoansLossesAndUnfundedCommitments, us-gaap:ConsumerPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value1.0831.0310.8491.0130.7560.961
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery35.512.330.322.640.642.4

asb:AllowanceForLoansLossesAndUnfundedCommitments, us-gaap:HomeEquity


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.6330.5830.5020.4950.3830.598
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery20.76.917.911.020.626.4

asb:AllowanceForLoansLossesAndUnfundedCommitments, us-gaap:ResidentialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.0880.1340.0910.2350.0830.091
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery2.91.63.25.24.54.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs asb:AllowanceType

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs

asb:AllowanceForLoanLosses


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value7.6811330342819
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.0100.0100.0100.0100.0100.0

asb:AllowanceForLoansLossesAndUnfundedCommitments


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value7.6811330342819
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs asb:AllowanceType, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

asb:AllowanceForLoanLosses, asb:CommercialAndBusinessLending


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.63.12310282516
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs7.823.734.082.991.284.6

asb:AllowanceForLoanLosses, asb:CommercialAndIndustrialFinancingReceivable


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.63.12310272516
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs7.823.734.081.791.284.6

asb:AllowanceForLoanLosses, asb:CommercialRealEstateInvestorPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value5.6018.739184.0840.140.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs72.966.361.712.00.50.0

asb:AllowanceForLoanLosses, asb:CommercialRealEstateOwnerOccupiedPortfolio


Financing
Period End2020-12-312020-09-302020-06-302020-03-31
Value0.00.4190.00.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.01.20.00.0

asb:AllowanceForLoanLosses, asb:InstallmentPortFolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value0.8730.8270.9151.0731.3681.434
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs11.46.33.03.14.87.4

asb:AllowanceForLoanLosses, us-gaap:CommercialPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value6.21128322516
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs80.790.195.694.991.784.6

asb:AllowanceForLoanLosses, us-gaap:CommercialRealEstatePortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-31
Value5.68.742184.1070.1520.007
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs72.966.461.612.10.50.0

asb:AllowanceForLoanLosses, us-gaap:ConstructionLoans


Financing
Period End2021-06-302021-03-312020-12-31</