FMBI


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

Table of contents



us-gaap:CommonStockValue

us-gaap:CommonStockSharesIssued

us-gaap:PreferredStockSharesIssued

us-gaap:CommonStockSharesAuthorized

us-gaap:PreferredStockSharesAuthorized

us-gaap:CommonStockSharesOutstanding
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic

us-gaap:EarningsPerShareBasic

us-gaap:EarningsPerShareDiluted
dei:LegalEntity
us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets
dei:LegalEntity
us-gaap:CapitalToRiskWeightedAssets

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments

us-gaap:IncomeTaxExpenseBenefit

us-gaap:IncomeTaxesPaidNet

us-gaap:InterestAndFeeIncomeLoansAndLeases

us-gaap:InterestExpense

us-gaap:InterestIncomeExpenseNet

us-gaap:InterestPaidNet

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
us-gaap:StatementEquityComponents
us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:PreferredStockDividendsIncomeStatementImpact

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:Assets
us-gaap:ConsolidatedEntities

us-gaap:Liabilities

us-gaap:LiabilitiesAndStockholdersEquity
us-gaap:ConsolidatedEntities

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

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:Land

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:FurnitureAndFixturesGross

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AmortizationOfIntangibleAssets

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:Goodwill

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:DeferredTaxAssetsLiabilitiesNet
us-gaap:BusinessAcquisition

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:EquitySecuritiesFvNi
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:OtherAssets
us-gaap:ConsolidatedEntities

us-gaap:TimeDepositMaturitiesYearOne

us-gaap:LongTermDebt
us-gaap:ConsolidatedEntities
us-gaap:DebtInstrument
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:OperatingLeaseLiability

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

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

us-gaap:CommonStockValue

us-gaap:AdditionalPaidInCapital

us-gaap:RetainedEarningsAccumulatedDeficit

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:TreasuryStockValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
us-gaap:StatementEquityComponents

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetIncomeLoss

us-gaap:ProfitLoss
us-gaap:StatementEquityComponents

us-gaap:ShareBasedCompensation

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:PaymentsOfDividends

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:DeferredTaxAssetsNet

us-gaap:UnrecognizedTaxBenefits

us-gaap:DeferredTaxAssetsValuationAllowance

fmbi:AdjustmentsToAdditionalPaidInCapitalPreferredStockTrueUpAdjustment
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
fmbi:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionShares

fmbi:CapitalMarketProductsIncome
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
fmbi:CarryingAmountOfLoansSold

fmbi:DebtSecuritiesAvailableForSaleCostOfSecuritiesSold

fmbi:FeesAndCommissionsCreditAndDebitCards1

fmbi:FeesAndCommissionsDepositorAccounts1

fmbi:FeesAndCommissionsFiduciaryAndTrustActivitiesAndInvestmentAdvisoryFees

fmbi:FeesAndCommissionsMortgageBanking1

fmbi:FeesAndCommissionsOther1

fmbi:FinancingReceivableExcludingAccruedInterestRevolvingLoansConvertedToTermLoan
us-gaap:FinancialInstrumentPerformanceStatus
fmbi:FinancingReceivableImpairedTroubledDebtRestructuringTransfersFromToNonAccrual
us-gaap:FinancialInstrumentPerformanceStatus
fmbi:FinancingReceivableImpairedTroubledDebtRestructuringTransfersToFromAccruing
us-gaap:FinancialInstrumentPerformanceStatus
fmbi:FinancingReceivableImpairedTroubledDebtRestructuringsPrincipalPaymentsAdvances

fmbi:FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDateAcquisitionAdjustment
us-gaap:FinancingReceivablePortfolioSegment

fmbi:FinancingReceivableRevolvingLoansConvertedToTermLoan

fmbi:InterestExpenseSeniorAndSubordinatedLongTermDebt

fmbi:LesseeLeaseCostOptimizationCosts

fmbi:NetIncomeApplicableToNonvestedRestrictedShares

fmbi:NetLoansChargedoff
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:NetOccupancyAndEquipmentExpense

fmbi:OtherRealEstateExpenseNet
us-gaap:BusinessAcquisition, us-gaap:StatementClassOfStock
fmbi:PreferredStockIssuedConversionRatePercentage

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments
us-gaap:Range
us-gaap:AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate
us-gaap:Range
us-gaap:AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesPrepaymentSpeed

us-gaap:BankOwnedLifeInsuranceIncome
us-gaap:BusinessAcquisition
us-gaap:BusinessCombinationConsiderationTransferred1

us-gaap:BusinessCombinationIntegrationRelatedCosts

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect
us-gaap:CreditLossStatus
us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion

us-gaap:CommunicationsAndInformationTechnology

us-gaap:ContractuallySpecifiedServicingFeesAmount

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss

us-gaap:Depreciation

us-gaap:DerivativeGainLossOnDerivativeNet
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation

us-gaap:DividendsCommonStock
us-gaap:StatementEquityComponents

us-gaap:DividendsPreferredStock
us-gaap:StatementEquityComponents

us-gaap:ExcessTaxBenefitFromShareBasedCompensationOperatingActivities

us-gaap:FDICIndemnificationAssetAccretionOfDiscount

us-gaap:FinancingReceivableAllowanceForCreditLossesEffectOfChangeInMethod

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancialInstrumentPerformanceStatus
us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2

us-gaap:FinancingReceivableNonaccrualInterestIncome

us-gaap:FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivableSignificantPurchases
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType
us-gaap:FinancingReceivableSignificantSales
us-gaap:FinancialInstrumentPerformanceStatus
us-gaap:FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown

us-gaap:GainLossOnSaleOfLoansAndLeases

us-gaap:GainLossOnSaleOfNotesReceivable
us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:GainLossOnSalesOfAssetsAndAssetImpairmentCharges

us-gaap:GainsLossesOnSalesOfOtherRealEstate

us-gaap:ImpairmentOfLongLivedAssetsHeldForUse

us-gaap:IncreaseDecreaseInDeposits

us-gaap:IncreaseDecreaseInEquitySecuritiesFvNi

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestAndDividendIncomeSecurities

us-gaap:InterestExpenseBorrowings

us-gaap:InterestExpenseDeposits

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:LaborAndRelatedExpense

us-gaap:LeaseCost

us-gaap:NoninterestExpense

us-gaap:NoninterestIncome

us-gaap:NoninterestIncomeOtherOperatingIncome

us-gaap:OperatingLeaseCost

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesBeforeReclassificationAdjustmentsTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax

us-gaap:OtherInterestAndDividendIncome

us-gaap:OtherNoninterestExpense

us-gaap:PaymentsForHedgeFinancingActivities

us-gaap:PaymentsForProceedsFromFederalHomeLoanBankStock

us-gaap:PaymentsForRepurchaseOfOtherEquity

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireFederalHomeLoanBankStock

us-gaap:PaymentsToAcquireHeldToMaturitySecurities

us-gaap:PaymentsToAcquireLoansReceivable

us-gaap:PaymentsToPurchaseMortgageLoansHeldForSale

us-gaap:ProceedsFromIssuanceOfPreferredStockAndPreferenceStock

us-gaap:ProceedsFromLifeInsurancePolicies

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities

us-gaap:ProceedsFromOtherDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfForeclosedAssets

us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProfessionalFees

us-gaap:ProvisionForLoanAndLeaseLosses

us-gaap:ProvisionForLoanLeaseAndOtherLosses
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:ServicingAssetAtFairValueAdditions

us-gaap:ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions

us-gaap:ServicingAssetAtFairValueOtherChangesInFairValue

us-gaap:StockAndWarrantsIssuedDuringPeriodValuePreferredStockAndWarrants
us-gaap:StatementEquityComponents

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensation
us-gaap:StatementEquityComponents
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesAcquisitions
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesOther
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures
us-gaap:StatementEquityComponents
us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:StockIssuedDuringPeriodValueAcquisitions
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueOther
us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures
us-gaap:StatementEquityComponents

us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:StockRepurchasedDuringPeriodValue

us-gaap:SubleaseIncome

us-gaap:TransferOfLoansHeldForSaleToPortfolioLoans1

us-gaap:TransferOfPortfolioLoansAndLeasesToHeldForSale1

us-gaap:TransferToOtherRealEstate
us-gaap:StatementEquityComponents
us-gaap:TreasuryStockSharesAcquired

us-gaap:TreasuryStockValueAcquiredCostMethod
us-gaap:StatementEquityComponents

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

dei:EntityCommonStockSharesOutstanding

fmbi:ActuarialLossesAsAPercentageOfAccumulatedBenefitObligation

fmbi:ActuarialLossesAsAPercentageOfFairValueOfPlanAssets
us-gaap:BusinessAcquisition
fmbi:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCombinedAssets
us-gaap:OtherCommitments
fmbi:CommercialAndIndustrialAndAgriculturalCommitments
us-gaap:OtherCommitments
fmbi:CommercialRealEstateCommitments

fmbi:DebtSecuritiesHeldToMaturityFairValueNetOfAllowanceForCreditLosses

fmbi:DebtSecuritiesHeldToMaturityNetOfAllowanceForCreditLosses

fmbi:DeferredTaxAssetsLeaseLiability

fmbi:DeferredTaxAssetsOtherRealEstateOwned

fmbi:DeferredTaxLiabilitiesAcquisitionAdjustments

fmbi:DeferredTaxLiabilityRightOfUseAsset

fmbi:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearsSixtoTen

fmbi:DerivativeNotionalAmountCashFlowHedgeForwardStartingInterestRateSwap
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:DerivativeInstrumentRisk
fmbi:DerivativeNotionalAmountCashFlowHedgeReceiveFixedPayVariableInterestRateSwap
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
fmbi:DerivativeWeightedAverageInterestRatePaid
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
fmbi:DerivativeWeightedAverageInterestRateReceived

fmbi:DerivativeWeightedAverageInterestRateToBePaid
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:NatureOfExpense
fmbi:FairValueSharesHeldByProfitSharingPlan

fmbi:FinancingReceivableAccrualOfInterest

fmbi:FinancingReceivableAllowanceCoveredAndNotCovered

fmbi:FinancingReceivableAllowanceCoveredAndNotCoveredExcludingAccruedInterest
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
fmbi:FinancingReceivableBeforeAllowanceForCreditLossNetLoanChargeOffs

fmbi:FinancingReceivableEligibleModificationsOutstandingBalance
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
fmbi:FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossNetLoanChargeOffs
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
fmbi:FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearNetLoanChargeOffs
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
fmbi:FinancingReceivableExcludingAccruedInterestRevolvingNetLoanChargeOffs
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
fmbi:FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearNetLoanChargeOffs
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
fmbi:FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearNetLoanChargeOffs
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
fmbi:FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearNetLoanChargeOffs
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
fmbi:FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearNetLoanChargeOffs
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
fmbi:FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearNetLoanChargeOffs
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
fmbi:FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearNetLoanChargeOffs
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
fmbi:FinancingReceivableRevolvingNetLoanChargeOffs
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
fmbi:FinancingReceivableYearFiveOriginatedFourYearsBeforeCurrentFiscalYearNetLoanChargeOffs
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
fmbi:FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearNetLoanChargeOffs
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
fmbi:FinancingReceivableYearOneOriginatedCurrentFiscalYearNetLoanChargeOffs
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
fmbi:FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearNetLoanChargeOffs
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
fmbi:FinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearNetLoanChargeOffs

fmbi:FutureDerivativeNotionalAmountCashFlowHedgeForwardStartingInterestRateSwap
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:OtherCommitments
fmbi:HomeEquityLinesCommitments

fmbi:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour

fmbi:NetAmountToBeRecognized

fmbi:NetLossAtEndOfPeriod
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
fmbi:NonPCIAcquiredAndCoveredLoans
us-gaap:OtherCommitments
fmbi:OtherCommitments

fmbi:RestructuredLoansNonaccrual
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:RestructuredLoansStillAccruingInterest
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:StateCorporateIncomeTaxRate

fmbi:TaxEffectOfAdjustmentsRelatedToOtherComprehensiveLoss
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
fmbi:TotalAcquiredLoans

fmbi:TotalAmountOfLoansBeingServicedForTheBenefitOfOthersAtEndOfPeriod4
us-gaap:OtherCommitments
fmbi:TotalCommitments

fmbi:TotalLoans
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:TotalPropertyPlantEquipmentAndAssetsHeldForSale

us-gaap:AdvancesFromFederalHomeLoanBanks

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroup
us-gaap:DerivativeInstrumentRisk
us-gaap:AssetsNeededForImmediateSettlementAggregateFairValue

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis
us-gaap:FinancialInstrument

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue

us-gaap:AvailableForSaleSecuritiesDebtSecurities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

us-gaap:BadDebtReserveForTaxPurposesOfQualifiedLender

us-gaap:BankOverdrafts

us-gaap:BankOwnedLifeInsurance
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:BuildingsAndImprovementsGross
dei:LegalEntity
us-gaap:Capital

us-gaap:CashAndDueFromBanks
us-gaap:ConsolidatedEntities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesOutstandingBalance
dei:LegalEntity
us-gaap:CommonEquityTierOneCapital
dei:LegalEntity
us-gaap:CommonEquityTierOneCapitalRatio
dei:LegalEntity
us-gaap:DebtInstrumentUnamortizedDiscount

us-gaap:DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleExcludingAccruedInterest
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency, us-gaap:FinancialInstrument
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleRestricted

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPosition
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
us-gaap:FinancialInstrument

us-gaap:DebtSecuritiesHeldToMaturityAllowanceForCreditLoss

us-gaap:DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FinancialInstrument

us-gaap:DeferredIncomeTaxLiabilities

us-gaap:DeferredTaxAssetsGross

us-gaap:DeferredTaxAssetsOperatingLossCarryforwards

us-gaap:DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal

us-gaap:DeferredTaxAssetsPropertyPlantAndEquipment

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost

us-gaap:DeferredTaxAssetsTaxDeferredExpenseOther

us-gaap:DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses

us-gaap:DeferredTaxLiabilitiesDeferredExpense

us-gaap:DeferredTaxLiabilitiesOther

us-gaap:DeferredTaxLiabilitiesTaxDeferredIncome

us-gaap:DefinedBenefitPlanAccumulatedBenefitObligation

us-gaap:DefinedBenefitPlanAccumulatedOtherComprehensiveIncomeNetGainsLossesBeforeTax

us-gaap:DefinedBenefitPlanAssetsForPlanBenefitsNoncurrent

us-gaap:DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate

us-gaap:DefinedBenefitPlanBenefitObligation

us-gaap:DefinedBenefitPlanExpectedAmortizationNextFiscalYear

us-gaap:DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree

us-gaap:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo

us-gaap:DefinedBenefitPlanFairValueOfPlanAssets
us-gaap:DefinedBenefitPlanByPlanAssetCategories
us-gaap:DefinedBenefitPlanByPlanAssetCategories, us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:FairValueByFairValueHierarchyLevel
us-gaap:DefinedBenefitPlanByPlanAssetCategories
us-gaap:DefinedBenefitPlanWeightedAverageAssetAllocations

us-gaap:Deposits
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:DepositsMoneyMarketDeposits

us-gaap:DepositsNegotiableOrderOfWithdrawalNOW

us-gaap:DepositsSavingsDeposits

us-gaap:DerivativeCollateralObligationToReturnSecurities

us-gaap:DerivativeCollateralRightToReclaimCash

us-gaap:DerivativeCollateralRightToReclaimSecurities

us-gaap:DerivativeFairValueOfDerivativeAsset

us-gaap:DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral

us-gaap:DerivativeFairValueOfDerivativeAssetAmountOffsetAgainstCollateral

us-gaap:DerivativeFairValueOfDerivativeLiability

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountNotOffsetAgainstCollateral

us-gaap:DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral
us-gaap:DerivativeInstrumentRisk
us-gaap:DerivativeNotionalAmount
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment

us-gaap:DividendsPayableCurrentAndNoncurrent

us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
us-gaap:ConsolidatedEntities
us-gaap:EquityMethodInvestments

us-gaap:FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresMaximumAmountAvailable

us-gaap:FederalHomeLoanBankStockAndFederalReserveBankStock
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
us-gaap:CreditLossStatus
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableAllowanceForCreditLosses

us-gaap:FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableCollectivelyEvaluatedForImpairment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableDeferredIncome

us-gaap:FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss
us-gaap:CreditLossStatus, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableExcludingAccruedInterestRevolving
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment

us-gaap:FinancingReceivableIndividuallyEvaluatedForImpairment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableModificationsRecordedInvestment
us-gaap:FinancialInstrumentPerformanceStatus
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableNonaccrualNoAllowance
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedInCurrentFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment

us-gaap:FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableRecordedInvestmentCurrent
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:FinancingReceivableRecordedInvestmentNonaccrualStatus

us-gaap:FinancingReceivableRecordedInvestmentPastDue
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FinancingReceivableRevolving
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable, us-gaap:InternalCreditAssessment

us-gaap:FiniteLivedCoreDepositsGross

us-gaap:FiniteLivedIntangibleAssetsAccumulatedAmortization

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFive

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearFour

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearThree

us-gaap:FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo

us-gaap:HeldToMaturitySecurities
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
us-gaap:FinancialInstrument

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount

us-gaap:HeldToMaturitySecuritiesFairValue
us-gaap:FinancialInstrument

us-gaap:ImpairedFinancingReceivableRelatedAllowance
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:ImpairedFinancingReceivableUnpaidPrincipalBalance
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment
us-gaap:FinancingReceivablePortfolioSegment
us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:InterestBearingDepositLiabilities

us-gaap:InterestBearingDepositsInBanks
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis
us-gaap:InterestPayableCurrentAndNoncurrent

us-gaap:InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet
us-gaap:DerivativeInstrumentRisk
us-gaap:InterestRateDerivativeAssetsAtFairValue
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentRisk
us-gaap:InterestRateDerivativeLiabilitiesAtFairValue
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship
us-gaap:InterestRateDerivativesAtFairValueNet
us-gaap:FairValueByAssetClass
us-gaap:InterestReceivable
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:InterestReceivableAndOtherAssets

us-gaap:JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust
dei:LegalEntity, us-gaap:LongtermDebtType

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths

us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear

us-gaap:LettersOfCreditOutstandingAmount
us-gaap:ShortTermDebtType
us-gaap:LineOfCreditFacilityRemainingBorrowingCapacity
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:LoansReceivableHeldForSaleNetNotPartOfDisposalGroup

us-gaap:NoninterestBearingDepositLiabilities

us-gaap:NotesReceivableGross

us-gaap:NotesReceivableNet
us-gaap:CreditLossStatus
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment
us-gaap:CreditLossStatus, us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:CreditLossStatus, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
us-gaap:IncomeTaxAuthority
us-gaap:OperatingLossCarryforwards

us-gaap:OperatingLossCarryforwardsValuationAllowance

us-gaap:OtherLiabilities
us-gaap:ConsolidatedEntities

us-gaap:OtherRealEstateAndForeclosedAssets
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:PledgedFinancialInstrumentsNotSeparatelyReportedLoansReceivablePledgedAsCollateral

us-gaap:PledgedFinancialInstrumentsNotSeparatelyReportedLoansReceivablePledgedForFederalHomeLoanBankDebt

us-gaap:PledgedFinancialInstrumentsNotSeparatelyReportedLoansReceivablePledgedForOtherArrangements

us-gaap:PreferredStockSharesOutstanding

us-gaap:PreferredStockValue

us-gaap:SecuritiesSoldUnderAgreementsToRepurchase

us-gaap:ServicingAssetAtFairValueAmount
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
us-gaap:AwardType
us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue

us-gaap:ShortTermBorrowings
us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPayments
us-gaap:LongtermDebtType
us-gaap:SubordinatedDebt
dei:LegalEntity
us-gaap:TierOneLeverageCapital
dei:LegalEntity
us-gaap:TierOneLeverageCapitalToAverageAssets

us-gaap:TimeDepositMaturitiesAfterYearFive

us-gaap:TimeDepositMaturitiesYearFive

us-gaap:TimeDepositMaturitiesYearFour

us-gaap:TimeDepositMaturitiesYearThree

us-gaap:TimeDepositMaturitiesYearTwo

us-gaap:TimeDeposits

us-gaap:TimeDeposits100000OrMore

us-gaap:TimeDepositsLessThan100000

us-gaap:TreasuryStockShares

us-gaap:UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued

us-gaap:UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate

Plots across concepts


IncomeStatement
Net Income Loss
Expenses
Interest Expense
Balance Sheet
Finite Lived Intangible Assets Net
Assets
Property Plant And Equipment Net
Current Assets
Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
NonCurrent Assets
Finite Lived Intangible Assets Net
PropertyPlantAndEquipmentNet
Property Plant And Equipment Net
Liabilities
Dividends Payable Current And Noncurrent
Noncurrent Liabilities
Long Term Debt
Stockholders Equity
Accumulated Other Comprehensive Income Loss Net Of Tax
CashFlow
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInInvestingActivities
Payments To Acquire Businesses Net Of Cash Acquired
NetCashProvidedByUsedInFinancingActivities
Payments For Repurchase Of Common Stock
Shares
Treasury Stock Shares
DividendsAndRepurchase
Payments For Repurchase Of Common Stock
LesseeOperatingLeaseLiabilityPaymentsDue
Lessee Operating Lease Liability Payments Remainder Of Fiscal Year
FiniteLivedIntangibleAssets
Finite Lived Intangible Assets Accumulated Amortization
BanksAndOrInsurance
Securities Sold Under Agreements To Repurchase
AssetsBanks
Property Plant And Equipment Net
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 ██████▇▇▇▆▆▆▆▆▆▆▆▆▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁1.2541.2541.2541.2541.2531.2531.2041.2041.2041.1571.1571.1241.1241.1231.1231.1231.1231.1230.9130.9130.9130.9130.8820.8820.8820.8820.8820.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.858NANANA
us-gaap:CommonStockSharesIssued █▅▁125.376125.372125.367NA125.355125.349120.415120.411120.407115.675115.672112.359112.356112.353112.351112.348112.345112.34391.28491.28191.27791.27488.22888.22888.22888.22888.22885.78785.78785.78785.78735485.78785.78785.78785.78735485.78785.78785.78785.78735485.78785.78785.7870.085787NANANA
us-gaap:PreferredStockSharesIssued ▄▄▄0.2310.2310.231NA0.231NANANANANANANANANANANANANANANANA0.00.0NANANA0.0NANANA0.0NANANA0.0NANA0.00.00.1930.1930.1930.000193NANANA
us-gaap:CommonStockSharesAuthorized 250.0NA250.0NA250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0250.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0150.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.1NANANA
us-gaap:PreferredStockSharesAuthorized 1.0NA1.0NA1.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.01.0NA1.0NANANA1.01.01.01.01.01.01.01.00.001NANANA
us-gaap:CommonStockSharesOutstanding ▁▂█114.177114.196114.296NA114.276114.213109.972109.97110.589106.9106.375103.058103.059103.092102.717102.722102.741102.75781.32581.32481.31281.29877.95277.94277.96177.95777.69575.29575.27375.26675.07175.07475.06375.09574.84022874.83174.86274.89874.43500474.48574.47374.5430.074096NANANA
us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding ▁█113.64113.871NA113.436113.336110.365NA109.662108.467105.77NA102.178102.159101.938NA101.772101.763100.432NA80.40980.39677.992NA77.11977.10176.93NA74.35274.33374.159NA74.03474.02473.874NA73.74273.65973.505NA73.36173.25973.151NA73.07273.02870.469
us-gaap:WeightedAverageNumberOfSharesOutstandingBasic ▁█112.865113.098NA113.16113.145109.922NA109.281108.467105.77NA102.178102.159101.922NA101.752101.743100.411NA80.39680.38377.98NA77.10677.08976.918NA74.34174.32274.147NA74.02374.01773.867NA73.74273.65973.505NA73.36173.25973.151NA73.07273.02870.469
us-gaap:EarningsPerShareBasic ▇▇▇▆▆▆██▇▇▇█▇▇▅▇▇▆▆▇▇▆▆▇▇▆▆▆▆▆▆▇▆▆▆▁▅▆▅▅▆▅▂▅▅▅0.410.360.329999999999999960.210.160.180.470.490.430.430.39000000000000010.520.290.330.0200000000000000180.370.340.230.24999999999999990.350.310.230.210000000000000080.30.290.260.190000000000000060.250.250.240.260.390.220.20.18-0.650.090.110.049999999999999990.090.110.1-0.420000000000000040.00.070.08
us-gaap:EarningsPerShareDiluted ▇▇▇▆▆▆██▇▇▇█▇▇▅▇▇▆▆▇▇▆▆▇▇▆▆▆▆▆▆▇▆▆▆▁▅▆▅▅▆▅▂▅▅▅0.410.360.329999999999999960.210.160.180.470.490.430.430.39000000000000010.520.290.330.0200000000000000180.370.340.230.24999999999999990.350.310.230.210000000000000080.30.290.260.190000000000000060.250.250.240.260.390.220.20.18-0.650.090.110.049999999999999990.090.110.1-0.420000000000000040.00.070.08
 us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets dei:LegalEntity fmbi:FirstMidwestBancorpIncNANA1.1550000000000001e-05NANANA1.052e-07NANANA1.0199999999999999e-07NANANA1.01e-07NANANA9.9e-08NANANA1.0280000000000001e-07NANANA1.019e-07NANANANANANANANANANANANANANANANANANANA
 us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets dei:LegalEntity fmbi:FirstMidwestBankNANA1.0199999999999999e-05NANANA1.051e-07NANANA1.0580000000000001e-07NANANA1.013e-07NANANA9.83e-08NANANA1.013e-07NANANA1.132e-07NANANANANANANANANANANANANANANANANANANA
 us-gaap:CapitalToRiskWeightedAssets dei:LegalEntity fmbi:FirstMidwestBancorpIncNANA1.414e-05NANANA1.296e-07NANANA1.262e-07NANANA1.215e-07NANANA1.223e-07NANANA1.115e-07NANANA1.1229999999999999e-07NANANANANANANANANANANANANANANANANANANA
 us-gaap:CapitalToRiskWeightedAssets dei:LegalEntity fmbi:FirstMidwestBankNANA1.124e-05NANANA1.1279999999999999e-07NANANA1.1390000000000001e-07NANANA1.095e-07NANANA1.073e-07NANANA1.1020000000000001e-07NANANA1.23e-07NANANANANANANANANANANANANANANANANANANA
  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
  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:ComprehensiveIncomeNetOfTax ▇▁▅▄▃▆▅▇█▇▇▅▃▃▂▅▅▄▁▄▄▄▂▄67.276-3.45242.23524.64512.46856.88343.42964.09376.36366.41164.02942.61922.73115.7047.34736.76638.64723.501-6.7923.80331.50531.313.75328.698NANANANANANANANANANANANANANANANANANANANANANA
us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments ██▇▆▆▆███▇▇▇▇▇▇▇▇▆▆▇▆▆▆▆▆▆▆▆▆▆▆▇▆▆▆▁▅▅▅▅▅▅▂▅▅▅69.13962.39547.34836.31325.24626.07468.51372.84563.20561.37654.45259.96839.3243.31743.88655.94254.53833.58829.75943.93938.36426.45823.24734.45133.43928.67420.427.09827.14225.83628.67354.28224.13120.93519.41-85.527.1269.0486.33410.8213.66910.248-53.225-1.3877.9488.436
us-gaap:IncomeTaxExpenseBenefit ▆▆▅▅▅▅▆▆▆▆▅▅▅▅█▆▆▅▅▆▅▅▅▅▅▅▅▅▅▅▅▇▅▅▅▁▄▄▄▄▅▄▂▄▄▄18.01817.3725.7438.696.1826.46816.39218.316.19115.31813.0446.6169.729.80741.53917.70719.58810.7339.04115.53713.0978.4966.92311.16710.8658.7925.8078.5498.6428.1729.50824.9597.9556.2936.194-36.9930.7611.156-0.0671.7042.8410.03-25.066-3.9720.1390.355
us-gaap:IncomeTaxesPaidNet ▅▃▃█▃▃▅▅▅▃▄▄▁▃▃▅▃▃█▄▄▃▅▄▄▃▄▃▃▃▄▃▃▃18.7840.4410.26439.425-0.4421.02919.56812.38316.6270.3215.89311.897-19.0140.1160.88115.2680.301-1.25942.9087.2185.0062.42112.2354.8344.8573.0969.1132.5281.7412.9936.7241.7191.999-5.497NANANANANANANANANANANANA
us-gaap:InterestAndFeeIncomeLoansAndLeases ▆▆▇▆▇▇███▇▇▆▆▅▅▅▅▅▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁136.104133.774141.232138.228140.819147.786155.17159.978157.68144.804142.809133.997127.737118.686118.045118.101114.82112.36585.51287.50586.52678.45573.08475.52275.8273.39771.08966.11760.63459.00260.06860.61459.11159.43161.59663.67261.99361.49162.77464.08563.08962.91763.98365.41665.43964.48
us-gaap:InterestExpense ▂▂▃▄▄▇▇█▇▆▅▄▄▃▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▂▂▂▂▂▃▃▃9.71210.03511.85116.35616.8126.65228.24531.17627.3723.46620.89817.50514.68512.78210.25410.0238.9338.5028.3046.9346.5696.8346.6556.395.6545.6875.495.8315.6965.9956.4326.6636.8237.1977.6778.3248.81410.0869.6799.649.93510.63710.89712.12512.65513.841
us-gaap:InterestIncomeExpenseNet ▇▇█▇█▇███▇▇▆▆▅▅▆▅▅▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂▂▁▁144.288141.115148.111142.729145.234143.575148.359150.787150.312139.024138.629132.027127.403118.563119.331119.893117.583115.19788.02490.97289.98180.71478.01277.90278.90276.78275.81971.03166.30763.69565.68865.66664.9363.84866.52267.2666.70465.18269.07870.53571.36170.64671.57970.21369.61967.938
us-gaap:InterestPaidNet ▁▂▂▄▄▇▇█▆▅▄▄▂▂▁8.63411.36612.14718.86718.04628.28529.74332.26724.04323.70717.29918.21411.67713.3798.886NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss █▁51.12145.023NA27.62319.06419.606NA54.545NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLossAvailableToCommonStockholdersBasic ▇▇▇▆▆▆██▇▇▇█▆▇▄▇▇▆▆▆▆▆▅▆▆▆▅▆▆▅▆▆▅▅▅▁▅▅▅▅▅▅▂▄▅▅46.56640.50337.18723.35417.8419.41451.69754.0846.62545.65541.08852.91129.3633.1992.34137.89534.61422.62120.50128.07824.97717.7516.14523.05822.32519.65414.45418.30718.2717.43918.90528.90715.95714.4313.022-47.8126.2897.7533.3626.4348.1447.497-30.3270.0115.1715.428
us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax NANA11.53310.342NANA0.844-0.288NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
 us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss▆▁▄▄▄█▄▅▇▆▆▄▄▃▅▄▅▅▃▄▅▅▄▅▄▅▅▄▅▅▄▃▅▅▄▅▅▅▅▅▅▅17.81-47.172-7.356-13.32-1.33844.534-12.1259.83627.58819.30122.758-10.084-6.445-18.1814.083-1.6324.2411.977-24.722-4.1315.68410.795-6.843.362-7.3243.4819.04-3.2094.6187.02-4.638-15.7580.091-1.229-2.5592.619-0.9482.3573.1263.9269.0343.366NANANANA
 us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents us-gaap:AccumulatedOtherComprehensiveIncome▆▁▅▅▄█▄▆▇▇▇▄▄▄▅▅▅▅▃▅▅▆▄▅▄▅16.155-48.4750.63-2.978-6.59637.277-8.6929.54829.34920.35322.621-10.733-6.869-17.8065.0-1.4693.6970.646-27.508-4.5996.23813.348-12.5715.414-8.4273.05NANANA7.02-0.735-15.7586.59-1.229-6.4122.619-0.9482.357-1.8633.9269.0343.366NANANANA
us-gaap:PreferredStockDividendsIncomeStatementImpact ████▁4.0344.0344.0494.0331.037NANANA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANA-1.42-2.413-2.412NA-2.413-2.412-2.412NA
us-gaap:ProfitLoss █▇▇▆▆▆██▇▇▇█▆▇▄▇▇▆▆▆▆▆▅▆▆▆▅▆▆▅▆▆▅▅▅▁▅▅▅▅▅▅▂▄▅▅51.12145.02341.60527.62319.06419.60652.12154.54547.01446.05841.40853.35229.633.512.34738.23534.9522.85520.71828.40225.26717.96216.32423.28422.57419.88214.59318.54918.517.66419.16529.32316.17614.64213.216-48.5276.3657.8926.4019.11610.82810.218-28.1592.5857.8098.081
  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 █████▇▆▆▆▅▅▅▅▄▄▄▄▄▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁21625.42421208.59120838.67821088.14321244.88119753.317850.39718013.45417462.23315817.76915505.64914961.49914818.07614379.97114077.05214267.14213969.1413773.47111422.55511578.19710995.8110728.9229732.6769935.0469863.0279498.5969445.1399096.3518305.2478328.5198253.4078517.9138343.3258055.8198099.8398167.1768099.3557988.0027973.5948380.1748129.3918044.9888146.973NANANA
us-gaap:Liabilities █████▇▆▆▆▅▅▅▅▄▄▄▄▄▃▃▃▃▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁18921.27618555.27618148.67218423.97218588.6717317.59315479.60415673.85515161.6613658.29813450.65113043.82412934.51312510.68412212.17812402.01212132.29711968.73810165.47510308.9339744.9219504.3578586.4088787.3778738.078382.6468344.3648046.6757265.8097308.0947251.9657531.1887368.6727102.3687158.9467233.7417120.8037015.3017011.0077227.7416987.86921.1127034.928NANANA
us-gaap:LiabilitiesAndStockholdersEquity █████▇▆▆▆▅▅▅▅▄▄▄▄▄▃▃▃▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁21625.42421208.59120838.67821088.14321244.88119753.317850.39718013.45417462.23315817.76915505.64914961.49914818.07614379.97114077.05214267.14213969.1413773.47111422.55511578.19710995.8110728.9229732.6769935.0469863.0279498.5969445.1399096.3518305.2478328.5198253.4078517.9138343.3258055.8198099.8398167.1768099.3557988.0027973.5948380.1748129.3918044.9888146.973NANANA
us-gaap:StockholdersEquity █████▇▇▇▆▆▅▅▅▅▅▅▅▄▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂2704.1482653.3152690.0062664.1712656.2112435.7072370.7932339.5992300.5732159.4712054.9981917.6751883.5631869.2871864.8741865.131836.8431804.7331257.081269.2641250.8891224.5651146.2681147.6691124.9571115.951100.7751049.6761039.4381020.4251001.442986.725974.653953.451940.893933.435978.552972.701962.5871152.4331141.5911123.8761112.045NANANA
 us-gaap:TierOneRiskBasedCapital dei:LegalEntity fmbi:FirstMidwestBancorpIncNANA1777.15NANANA1496.048NANANA1315.098NANANA1204.468NANANA991.873NANANA893.476NANANA802.483NANANANANANANANANANANANANANANANANANANA
 us-gaap:TierOneRiskBasedCapital dei:LegalEntity fmbi:FirstMidwestBankNANA1561.968NANANA1489.664NANANA1359.607NANANA1204.08NANANA956.399NANANA854.322NANANA857.362NANANANANANANANANANANANANANANANANANANA
  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:ParentCompanyNANA442.799NANANA247.507NANANA158.026NANANA120.812NANANA140.217NANANA119.693NANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents █▅▆▆▅▂▁▂▁▁▁▁▂▁▂1545.4011010.5271117.2441190.74942.301481.612299.221475.667326.65262.759289.258296.599374.267235.036346.57NANANA262.148NANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:Land NANA29.723NANANA30.807NANANA28.187NANANA30.4730.26731.62329.94218.30419.472NANA43.442NANANA51.104NANANANANANANANANANANA50.895NANANA48.506NANANA
  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 NANA298.769NANANA300.583NANANA277.611NANANA269.356264.139306.088302.308218.532218.976NANA286.558NANANA285.556NANANA268.928NANANA268.666NANANA270.239NANANA284.129NANANA
us-gaap:FurnitureAndFixturesGross NANA137.452NANANA137.349NANANA127.421NANANA115.013114.547135.328133.618105.859103.326NANA90.672NANANA85.489NANANANANANANANANANANA72.279NANANA76.734NANANA
us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment NANA170.446NANANA159.411NANANA148.831NANANA148.248142.001182.075178.801140.03141.5NANA171.708NANANA156.473NANANA152.751NANANA-148.738NANANA-143.195NANANA-143.222NANANA
us-gaap:AmortizationOfIntangibleAssets ████████▇▆▅▄▄▄▄▅▅▅▂▂▂▁2.7982.8072.8072.812.822.772.7442.752.6242.3632.0761.7721.7941.8021.8061.9312.1631.9651.2071.2451.2450.985NANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:PropertyPlantAndEquipmentNet NANA128.323NANANA141.172NANANA128.78NANANA121.108122.138124.013123.50778.50277.476NANA114.85NANANA129.083NANANA116.177NANANA119.928132.005133.638132.865134.977132.425131.952138.119140.907NANANA
us-gaap:Goodwill NANA862.397NANANA796.756NANANA728.809NANANA697.608691.481691.527691.572340.879340.757341.513339.768319.007NANANA310.589NANANA264.1NANANA265.477NANANA265.477NANANA265.477NANANA
us-gaap:FiniteLivedIntangibleAssetsNet NANA70.367NANANA78.506NANANA61.935NANANA57.14958.95560.88663.04925.99727.20428.44930.2120.27NANANA23.61NANANA12.304NANANA15.582NANANA18.173NANANA20.556NANANA
us-gaap:IntangibleAssetsNetIncludingGoodwill ██████▇▇▇▇▆▆▆▆▆▆▆▆▂▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁926.176928.974932.764935.801940.182935.241875.262876.219878.802808.852790.744751.248753.02754.814754.757750.436752.413754.621366.876367.961369.962369.979339.277331.25332.223333.202334.199322.664274.962275.605276.366277.187279.421280.24281.059281.914281.981282.815283.65NANANANANANANA
us-gaap:DeferredTaxAssetsLiabilitiesNet NANA57.378NANANA43.382NANANA60.129NANANA64.736NANANA100.207NANANA86.693NANANA91.685NANANA107.624NANANA133.605NANANA102.624NANANA113.353NANANA
 us-gaap:DeferredTaxAssetsLiabilitiesNet us-gaap:BusinessAcquisition fmbi:ParkBankNANA5.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:OperatingLeaseRightOfUseAsset █▁▂▂144.1122.9125.3127.2NANA141.0139.5139.9140.7NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:EquitySecuritiesFvNi █▇▅▃▂▂▂▂▂▁▁▁▁112.97796.98376.40455.02143.95440.09842.13640.72340.6933.30430.80629.04628.441NA0.0NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 NANA1708.678NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 ▄▄▄▄▄▄▄▄▄▃▃▃▃▃▃▃▃▃▃█▁▃▃▃▃▃▃▂▂▂▂▃▃▃▃235.178234.973234.768234.563234.358234.153233.948233.743233.538203.984203.808195.595195.453195.312195.17195.028194.886194.745194.603309.444162.876201.293201.208201.123201.039200.954200.869191.028190.996190.964190.932214.876214.843214.811214.779NANANA252.153NANANA137.744NANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo █▁▁▁22.62518.93118.8318.813NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree █▁▁▁22.44318.74918.93118.92NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour █▁▃▃21.25717.56418.5618.611NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive NANA17.336NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive NANA86.265NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
  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 █████▇▇▇▆▆▅▅▅▅▅▅▅▄▂▂▂▂▂▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▂▂▂▂2704.1482653.3152690.0062664.1712656.2112435.7072370.7932339.5992300.5732159.4712054.9981917.6751883.5631869.2871864.8741865.131836.8431804.7331257.081269.2641250.8891224.5651146.2681147.6691124.9571115.951100.7751049.6761039.4381020.4251001.442986.725974.653953.451940.893933.435978.552972.701962.5871152.4331141.5911123.8761112.045NANANA
us-gaap:CommonStockValue ██████▇▇▇▆▆▆▆▆▆▆▆▆▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁1.2541.2541.2541.2541.2531.2531.2041.2041.2041.1571.1571.1241.1241.1231.1231.1231.1231.1230.9130.9130.9130.9130.8820.8820.8820.8820.8820.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.858NANANA
us-gaap:AdditionalPaidInCapital ██████▇▇▇▇▇▆▆▆▆▆▆▆▂▂▂▂▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁1269.1921265.1561275.4921271.8591268.6471274.9351211.2741208.031205.3961103.9911114.581028.6351025.7031021.9231031.871029.0021025.6071022.417498.937496.918495.159493.153446.672445.037443.558441.689449.798408.789407.895406.009414.293412.677411.47409.077418.318417.245414.665413.742428.001425.647424.877422.405437.55NANANA
us-gaap:RetainedEarningsAccumulatedDeficit ██▇▇▇▇▇▇▇▆▅▅▅▄▄▄▄▄▄▃▃▃▃▃▃▂▂▂▂▂▂▂▁▁▁▁▂▁▁▁▁▁▁1444.6251413.5171388.5251366.9861359.4071357.3951380.6121343.8951304.7561273.2451192.7671164.1331122.1071103.841074.991082.9211056.0721030.4031016.6741003.271982.277964.25953.516944.209927.939912.387899.516891.129878.607866.132853.74839.835813.516800.343786.453773.976823.25817.63810.487807.857802.072794.569787.678NANANA
us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax ▅▄▇▇██▆▆▆▄▂▁▂▂▄▃▃▃▃▅▅▅▄▅▄▅▅▅▅▅▄▄▅▅▅▅▅▅▅▅▅▄▄-5.941-22.09626.37925.74928.72735.323-1.9546.738-2.81-32.159-52.512-75.133-64.4-57.531-33.036-38.036-36.567-40.264-40.91-13.402-8.803-15.041-28.389-15.818-21.232-12.805-15.855-18.852-15.271-19.772-26.792-26.057-10.299-16.889-15.66-9.248-11.867-10.919-13.276-11.413-15.339-24.373-27.739NA-12.803NA
us-gaap:TreasuryStockValue ▅▅▅▅▅▅▄▄▃▁▂▂▂▂▃▃▃▃▃▃▃▃▄▄▄▄▅▅▅▅▅▅▅▅▆▆▆▆▇▇▇▇█235.482235.016232.144232.177232.323233.199220.343220.268207.973186.763200.994201.084200.971200.068210.073209.88209.392208.946218.534218.436218.657218.71226.413226.641226.19226.203233.566232.248232.651232.802240.657240.588240.892239.938249.076249.396248.354248.61263.483261.909262.097260.633277.184NANANA
us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue ▅▆▅▅▅▆▅▅▅▅▅▅▅▅▅▅▅▅▅▅▅▄▁█▄▄3.6084.5493.4983.5653.7553.9223.1653.1553.1843.6792.8982.9682.8293.3672.6692.7272.8622.9652.0362.0061.9981.839-4.9818.7361.7871.7NANANANANANANANANANANANANANANANANANANANA
  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 ▁▆▃▄▄▁▄▃▃▃▄▃▅▃█-61.372179.43340.16978.49182.059-65.67877.33544.65355.66749.45463.34333.785120.32435.732284.551NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetCashProvidedByUsedInInvestingActivities ▇▃▆█▁▃▆▄▄▅▆▅▄▄▅▆▅▇▅▅▄▄▄▆▆▆▆▇▅▆▆▆▆▅▇▆▅▅▆▆▆▆▆▇▆▆190.199-595.55993.673438.566-1041.355-586.293-54.001-365.784-430.369-204.03932.694-227.289-346.31-461.481-213.814.318-163.166216.868-95.948-262.321-306.936-384.133-327.049-87.441-49.803-34.097118.35153.54-100.868-59.35-89.064-75.597-64.57-140.065245.614-31.003-153.812-205.406-35.24468.08467.02713.477-14.275258.06395.91373.494
us-gaap:NetCashProvidedByUsedInFinancingActivities ▄▃▁▁█▆▁▄▄▃▂▃▄▄▂▃▃▁▂▄▃▃▁▂▄▂▁▂▂▂▁▃▃▂▂▂▃▂▂▁▃▂▂▂▃▂406.047309.409-207.338-268.6181419.985834.362-199.78470.148438.593128.086-103.378115.836365.217314.215-151.162259.726125.136-238.057-160.406463.264207.022299.358-303.51357.579348.74912.002-223.02312.9-48.33542.88-251.918156.761252.938-50.878-92.32132.041127.412-17.613-37.626-242.298180.959-125.746-108.646-64.475157.381-132.627
  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 ▁▆▃▄▄▁▄▃▃▃▄▃▅▃█-61.372179.43340.16978.49182.059-65.67877.33544.65355.66749.45463.34333.785120.32435.732284.551NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:NetIncomeLoss █▁51.12145.023NA27.62319.06419.606NA54.545NANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANANA
us-gaap:ProfitLoss █▇▇▆▆▆██▇▇▇█▆▇▄▇▇▆▆▆▆▆▅▆▆▆▅▆▆▅▆▆▅▅▅▁▅▅▅▅▅▅▂▄▅▅51.12145.02341.60527.62319.06419.60652.12154.54547.01446.05841.40853.35229.633.512.34738.23534.9522.85520.71828.40225.26717.96216.32423.28422.57419.88214.59318.54918.517.66419.16529.32316.17614.64213.216-48.5276.3657.8926.4019.11610.82810.218-28.1592.5857.8098.081
us-gaap:ShareBasedCompensation ▄█▄▄▅▆▃▃▃▅▂▂▂▄▁▁▂▂3.6084.5493.4983.5653.7553.9223.1653.1553.1843.6792.8982.9682.8293.3672.6692.7272.8622.965NANANANA-4.9818.7361.7871.71.4651.2354.702-1.47610.269-7.221.5131.3411.4361.4291.6061.5331.2241.7841.7291.625NANANANA
  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 ▇▃▆█▁▃▆▄▄▅▆▅▄▄▅▆▅▇▅▅▄▄▄▆▆▆▆▇▅▆▆▆▆▅▇▆▅▅▆▆▆▆▆▇▆▆190.199-595.55993.673438.566-1041.355-586.293-54.001-365.784-430.369-204.03932.694-227.289-346.31-461.481-213.814.318-163.166216.868-95.948-262.321-306.936-384.133-327.049-87.441-49.803-34.097118.35153.54-100.868-59.35-89.064-75.597-64.57-140.065245.614-31.003-153.812-205.406-35.24468.08467.02713.477-14.275258.06395.91373.494
us-gaap:PaymentsToAcquirePropertyPlantAndEquipment ▂▂▃▃▂▃▅▃▄▄▅▃▇▅▃▄▃▂▅▄▃▂▃▂▃▁▄▃▂▂▃▃▂▁▂▂▃▁▄▃▂▁█▂▃▃1.4781.8693.5993.0331.4793.1686.793.185.2795.0817.0623.84710.0476.8444.4435.0613.7282.8916.7634.7844.6152.9214.6782.2053.1711.2156.23.8112.121.9544.4443.32.3010.9852.4662.3123.450.5365.2613.2742.0070.47612.2742.5323.8043.655
  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 ▄▃▁▁█▆▁▄▄▃▂▃▄▄▂▃▃▁▂▄▃▃▁▂▄▂▁▂▂▂▁▃▃▂▂▂▃▂▂▁▃▂▂▂▃▂406.047309.409-207.338-268.6181419.985834.362-199.78470.148438.593128.086-103.378115.836365.217314.215-151.162259.726125.136-238.057-160.406463.264207.022299.358-303.51357.579348.74912.002-223.02312.9-48.33542.88-251.918156.761252.938-50.878-92.32132.041127.412-17.613-37.626-242.298180.959-125.746-108.646-64.475157.381-132.627
us-gaap:PaymentsOfDividends ████▇▆▆▆▅▅▅▅▅▄▄▄▄▃▃▄▃▃▃▃▃▃▃▃▃▃▂▂▁▁▁▁▁▁▂▂▂▂20.00720.07820.06320.04217.04915.43115.40215.50212.85412.78211.35111.32311.33110.28810.27710.3679.2797.2067.3137.7627.2386.8856.9046.97.0146.2186.0126.0265.2725.2583.0063.0030.750.7490.7390.7470.7450.7463.373.1583.1553.155NANANANA
us-gaap:PaymentsForRepurchaseOfCommonStock ▁▆▁▁▁█▁▅█▁▁▁0.014.9290.00.00.022.5570.012.73821.190.00.00.0NANANANANANA0.0NANANA0.0NANANA0.0NANANANANANANANANANANANANANANANANANANA
  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

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
Value1254000.01254000.01254000.01254000.01253000.01253000.01204000.01204000.01204000.01157000.01157000.01124000.01124000.01123000.01123000.01123000.01123000.01123000.0913000.0913000.0913000.0913000.0882000.0882000.0882000.0882000.0882000.0858000.0858000.0858000.0858000.0858000.0858000.0858000.0858000.0858000.0858000.0858000.0858000.0858000.0858000.0858000.0858000.0670000.0
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

Common Stock Shares Issued

us-gaap:CommonStockSharesIssued

us-gaap:CommonStockSharesIssued


Common
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1251251251251251201201201151151121121121121121121129191919188888888888585858585858585858585858585850.0857870.066969
Percentage of CommonStockSharesIssued100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Preferred Stock Shares Issued

us-gaap:PreferredStockSharesIssued

us-gaap:PreferredStockSharesIssued


Preferred
Period End2021-06-302021-03-312020-12-312020-06-302016-03-312015-12-312014-12-312013-12-312012-12-312012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-312008-12-31
Value231000.0231000.0231000.0231000.00000000193000.0193000.0193000.0193.0193.0193000.0
Percentage of PreferredStockSharesIssued100.0100.0100.0100.00.00.00.00.00.00.00.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Authorized

us-gaap:CommonStockSharesAuthorized

us-gaap:CommonStockSharesAuthorized


Common
Period End2021-06-302020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-05-172017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-05-212014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2502502502502502502502502502502502502502502502501501501501501501501501501501501501501501001001001001001001001001001001001001000.10.1
Percentage of CommonStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Preferred Stock Shares Authorized

us-gaap:PreferredStockSharesAuthorized

us-gaap:PreferredStockSharesAuthorized


Preferred
Period End2021-06-302020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-05-172017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-05-212013-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000000.01000.01000.0
Percentage of PreferredStockSharesAuthorized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Common Stock Shares Outstanding

us-gaap:CommonStockSharesOutstanding

us-gaap:CommonStockSharesOutstanding


Common
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1141141141141141091091101061061031031031021021021028181818177777777777575757575757574747474747474740.0740960.054793
Percentage of CommonStockSharesOutstanding100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStockSharesOutstanding us-gaap:StatementEquityComponents

us-gaap:CommonStock


Common
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-312009-12-312008-12-312007-12-31
Value11411411411411410910911010610610310310310210210210281818181777777777775757575750.0750630.0750950.074840.0748310.0748620.0748980.0744350.0744850.074473740.0740960.0740570.074049740.0547930.048630.048453
Percentage of CommonStockSharesOutstanding100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.10.10.10.10.10.10.10.10.1100.0100.00.00.00.0100.00.00.0

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
Value113113113113110109108105102102101101101100808077777776747474747473737373737373737370
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
Value112113113113109109108105102102101101101100808077777776747474747473737373737373737370
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

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
Value0.410.360.330.210.160.180.470.490.430.430.390.520.290.330.020.370.340.230.250.350.310.230.210.30.290.260.190.250.250.240.260.390.220.20.18-0.650.090.110.050.090.110.1-0.4200.070.08
Percentage of EarningsPerShareBasic100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

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
Value0.410.360.330.210.160.180.470.490.430.430.390.520.290.330.020.370.340.230.250.350.310.230.210.30.290.260.190.250.250.240.260.390.220.20.18-0.650.090.110.050.090.110.1-0.4200.070.08
Percentage of EarningsPerShareDiluted100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

Tier One Risk Based Capital To Risk Weighted Assets

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets dei:LegalEntity

us-gaap:TierOneRiskBasedCapitalToRiskWeightedAssets

fmbi:FirstMidwestBancorpInc


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value11.550.10520.1020.1010.0990.10280.1019
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets100.0100.0100.0100.0100.0100.0100.0

fmbi:FirstMidwestBank


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value10.20.10510.10580.10130.09830.10130.1132
Percentage of TierOneRiskBasedCapitalToRiskWeightedAssets88.399.9103.7100.399.398.5111.1

Capital To Risk Weighted Assets

us-gaap:CapitalToRiskWeightedAssets dei:LegalEntity

us-gaap:CapitalToRiskWeightedAssets

fmbi:FirstMidwestBancorpInc


Capital
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value14.140.12960.12620.12150.12230.11150.1123
Percentage of CapitalToRiskWeightedAssets100.0100.0100.0100.0100.0100.0100.0

fmbi:FirstMidwestBank


Capital
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value11.240.11280.11390.10950.10730.11020.123
Percentage of CapitalToRiskWeightedAssets79.587.090.390.187.798.8109.5

Comprehensive Income Net Of Tax

us-gaap:ComprehensiveIncomeNetOfTax

us-gaap:ComprehensiveIncomeNetOfTax


Comprehensive
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value67-3.4524224125643647666644222157.347363823-6.792331313.75328
Percentage of ComprehensiveIncomeNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating43.7-2.326.415.57.733.424.635.243.040.940.128.516.012.05.728.330.519.0-7.024.332.635.84.434.0

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
Value6962473625266872636154593943435554332943382623343328202727252854242019-85.527.1269.0486.334101310-53.225-1.3877.9488.436
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 InterestAndDividendIncomeOperating44.941.329.622.815.615.338.840.035.637.834.140.127.733.033.943.143.127.230.944.939.730.227.540.939.534.825.135.337.737.139.875.033.629.526.2-113.19.412.08.013.516.812.6-64.5-1.79.710.3

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
Value18175.7438.696.1826.46816181615136.6169.729.807411719109.04115138.4966.92311108.7925.8078.5498.6428.1729.508247.9556.2936.194-36.9930.7611.156-0.0671.7042.8410.03-25.066-3.9720.1390.355
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 InterestAndDividendIncomeOperating11.711.53.65.53.83.89.310.19.19.48.24.46.87.532.113.615.58.79.415.913.69.78.213.212.810.77.111.112.011.713.234.511.18.98.3-48.91.01.5-0.12.13.50.0-30.4-4.80.20.4

Income Taxes Paid Net

us-gaap:IncomeTaxesPaidNet

us-gaap:IncomeTaxesPaidNet


Income
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-31
Value180.4410.26439-0.4421.0291912160.3215.89311-19.0140.1160.881150.301-1.259427.2185.0062.421124.8344.8573.0969.1132.5281.7412.9936.7241.7191.999-5.497
Percentage of IncomeTaxesPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating12.20.30.224.8-0.30.611.16.89.40.23.78.0-13.40.10.711.80.2-1.044.57.45.22.814.55.75.73.811.23.32.44.39.32.42.8-7.7

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
Value13613314113814014715515915714414213312711811811811411285878678737575737166605960605959616361616264636263656564
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 InterestAndDividendIncomeOperating88.488.588.386.986.986.887.987.988.789.189.589.689.990.491.190.990.890.888.889.489.689.686.389.689.789.087.486.084.284.783.383.882.483.783.084.282.181.779.779.977.677.477.679.479.578.8

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
Value9.7121011161626283127232017141210108.9338.5028.3046.9346.5696.8346.6556.395.6545.6875.495.8315.6965.9956.4326.6636.8237.1977.6778.3248.814109.6799.649.9351010121213
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 InterestAndDividendIncomeOperating6.36.67.410.310.415.716.017.115.414.413.111.710.39.77.97.77.16.98.67.16.87.87.97.66.76.96.87.67.98.68.99.29.510.110.311.011.713.412.312.012.213.113.214.715.416.9

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
Value14414114814214514314815015013913813212711811911911711588908980787778767571666365656463666766656970717071706967
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 InterestAndDividendIncomeOperating93.793.492.689.789.684.384.082.984.685.686.988.389.790.392.192.392.993.191.492.993.292.292.192.493.393.193.292.492.191.491.190.890.589.989.789.088.386.687.788.087.886.986.885.384.683.1

Interest Paid Net

us-gaap:InterestPaidNet

us-gaap:InterestPaidNet


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value8.634111218182829322423171811138.886
Percentage of InterestPaidNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating5.67.57.611.911.116.616.817.713.514.610.812.28.210.26.9

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value514527191954
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating33.229.817.411.811.530.0

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
Value46403723171951544645415229332.3413734222028241716232219141818171828151413-47.8126.2897.7533.3626.4348.1447.497-30.3270.0115.1715.428
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 InterestAndDividendIncomeOperating30.226.823.214.711.011.429.329.726.228.125.835.420.725.31.829.227.418.321.328.725.920.319.127.426.423.817.823.825.425.026.240.022.220.317.6-63.38.310.34.38.010.09.2-36.80.06.36.6

Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax


Other
Period End2020-12-312020-09-302019-12-312019-09-30
Value11100.844-0.288
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating7.26.50.5-0.2

Other Comprehensive Income Loss Net Of Tax

us-gaap:OtherComprehensiveIncomeLossNetOfTax us-gaap:StatementEquityComponents

us-gaap:OtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-30
Value-1.655-1.3031110-5.258-7.2570.844-0.2881.7611.0522.695-0.649-0.4240.375-0.8750.163-0.544-1.331-1.347-0.4680.5542.553-1.8482.052-1.103-0.431-0.649-0.372-0.1170.00.00.0
Percentage of OtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0
Percentage of InterestAndDividendIncomeOperating-1.1-0.97.26.5-3.2-4.30.5-0.21.00.61.7-0.4-0.30.3-0.70.1-0.4-1.1-1.4-0.50.62.9-2.22.4-1.3-0.5-0.8-0.5-0.20.00.00.0
Percentage of InterestAndDividendIncomeOperating us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value17-47.172-7.356-13.32-1.33844-12.1259.836271922-10.084-6.445-18.1814.083-1.6324.2411.977-24.722-4.1315.68410-6.843.362-7.3243.4819.04-3.2094.6187.02-4.638-15.7580.091-1.229-2.5592.619-0.9482.3573.1263.9269.0343.366
Percentage of OtherComprehensiveIncomeLossNetOfTax-1076.13620.3-63.8-128.825.4-613.7-1436.6-3415.31566.61834.7844.51553.81520.0-4848.3-466.6-1001.2-779.6-148.51835.3882.71026.0422.8370.1163.8664.0-807.7-1392.9862.6-3947.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating11.6-31.2-4.6-8.4-0.826.2-6.95.415.511.914.3-6.7-4.5-13.83.2-1.33.41.6-25.7-4.25.912.3-8.14.0-8.74.211.1-4.26.410.1-6.4-21.80.1-1.7-3.43.5-1.33.14.04.911.14.1
Percentage of InterestAndDividendIncomeOperating us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value16-48.4750.63-2.978-6.59637-8.6929.548292022-10.733-6.869-17.8065.0-1.4693.6970.646-27.508-4.5996.23813-12.5715.414-8.4273.057.02-0.735-15.7586.59-1.229-6.4122.619-0.9482.357-1.8633.9269.0343.366
Percentage of OtherComprehensiveIncomeLossNetOfTax-976.13720.35.5-28.8125.4-513.7-1029.9-3315.31666.61934.7839.41653.81620.0-4748.3-571.4-901.2-679.6-48.52042.2982.71126.0522.8680.2263.8764.0-707.70.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of InterestAndDividendIncomeOperating10.5-32.10.4-1.9-4.121.9-4.95.216.512.514.2-7.2-4.8-13.63.9-1.12.90.5-28.6-4.76.515.2-14.86.4-10.03.710.1-1.0-21.89.2-1.7-8.63.5-1.33.1-2.44.911.14.1
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

Preferred Stock Dividends Income Statement Impact

us-gaap:PreferredStockDividendsIncomeStatementImpact

us-gaap:PreferredStockDividendsIncomeStatementImpact


Preferred
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302019-06-302011-12-312011-09-302011-06-302010-12-312010-09-302010-06-30
Value4034000.04034000.04049000.04033000.01037000.00-1420000.0-2413000.0-2412000.0-2413000.0-2412000.0-2412000.0
Percentage of PreferredStockDividendsIncomeStatementImpact100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating2.62.72.52.50.60.0-1.8-3.0-3.0-2.9-2.9-2.9

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
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
Value51454127191952544746415329332.3473834222028251716232219141818171929161413-48.5276.3657.8926.4019.1161010-28.1592.5857.8098.081
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating33.229.826.017.411.811.529.530.026.528.326.035.720.825.51.829.427.618.521.529.026.220.519.327.626.724.117.924.125.725.326.640.522.520.617.8-64.28.410.58.111.413.312.6-34.13.19.59.9

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312011-06-302011-03-312010-06-302010-03-31
Value51454127191952544746415329332.347383422202825171623221910107.8098.081
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating33.229.826.017.411.811.529.530.026.528.326.035.720.825.51.829.427.618.521.529.026.220.519.327.626.724.113.312.69.59.9
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Assets

us-gaap:Assets

us-gaap:Assets


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value216252120820838210882124419753178501801317462158171550514961148181437914077142671396913773114221157810995107289732993598639498944590968305832882538517834380558099816780997988797383808129804481467710
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
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:Assets us-gaap:ConsolidatedEntities

srt:ParentCompany


Assetsus-gaap:
Period End2020-12-312019-12-312018-12-312017-12-31
Value2997265323042116
Percentage of Assets14.414.914.915.0
Percentage of Assets14.414.914.915.0
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
Value1892118555181481842318588173171547915673151611365813450130431293412510122121240212132119681016510308974495048586878787388382834480467265730872517531736871027158723371207015701172276987692170346769
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 Assets87.587.587.187.487.587.786.787.086.886.386.787.287.387.086.886.986.986.989.089.088.688.688.288.488.688.388.388.587.587.787.988.488.388.288.488.687.987.887.986.286.086.086.487.8

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
Value216252120820838210882124419753178501801317462158171550514961148181437914077142671396913773114221157810995107289732993598639498944590968305832882538517834380558099816780997988797383808129804481467710
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
Value2997265323042116
Percentage of LiabilitiesAndStockholdersEquity14.414.914.915.0
Percentage of Assets14.414.914.915.0
Percentage of Assets srt:ParentCompany100.0100.0100.0100.0

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value27042653269026642656243523702339230021592054191718831869186418651836180412571269125012241146114711241115110010491039102010019869749539409339789729621152114111231112941
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.512.512.912.612.512.313.313.013.213.713.312.812.713.013.213.113.113.111.011.011.411.411.811.611.411.711.711.512.512.312.111.611.711.811.611.412.112.212.113.814.014.013.612.2

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value2690237020541864
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets12.913.313.313.2
Percentage of Assets srt:ParentCompany89.789.489.288.1

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value-22.128-22.128-22.128-18.581-18.581-18.581-18.581-21.17-21.17-21.17-21.17-18.338-18.338-18.338-15.297-17.089-17.089-17.089-17.089-15.65
Percentage of StockholdersEquity-0.8-0.8-0.8-0.7-0.7-0.8-0.8-0.9-0.9-1.0-1.0-1.0-1.0-1.0-0.8-0.9-0.9-0.9-1.4-1.4
Percentage of Assets-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:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value7.2218.87610-1.354-11.696-6.4380.819-0.0250.263-1.498-2.55-5.245-4.596-4.172-3.763-2.888-3.051-2.507-1.176-2.468
Percentage of StockholdersEquity0.30.30.4-0.1-0.4-0.30.0-0.00.0-0.1-0.1-0.3-0.2-0.2-0.2-0.2-0.2-0.1-0.1-0.2
Percentage of Assets0.00.00.0-0.0-0.1-0.00.0-0.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value8.966-8.84438455960152718-9.491-28.792-51.55-41.466-35.021-13.976-18.059-16.427-20.668-22.645-10.271
Percentage of StockholdersEquity0.3-0.31.41.72.22.50.71.20.8-0.4-1.4-2.7-2.2-1.9-0.7-1.0-0.9-1.1-1.8-0.9
Percentage of Assets0.0-0.00.20.20.30.30.10.20.1-0.1-0.2-0.3-0.3-0.2-0.1-0.1-0.1-0.2-0.2-0.1
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-5.941-22.09626252835-1.9546.738-2.81-32.159-52.512-75.133-64.4-57.531-33.036-38.036-36.567-40.264-40.91-13.402-8.803-15.041-28.389-15.818-21.232-12.805-15.855-18.852-15.271-19.772-26.792-26.057-10.299-16.889-15.66-9.248-11.867-10.919-13.276-11.413-15.339-24.373-27.739-18.666
Percentage of StockholdersEquity-0.2-0.81.01.01.11.5-0.10.3-0.1-1.5-2.6-3.9-3.4-3.1-1.8-2.0-2.0-2.2-3.3-1.1-0.7-1.2-2.5-1.4-1.9-1.1-1.4-1.8-1.5-1.9-2.7-2.6-1.1-1.8-1.7-1.0-1.2-1.1-1.4-1.0-1.3-2.2-2.5-2.0
Percentage of Assets-0.0-0.10.10.10.10.2-0.00.0-0.0-0.2-0.3-0.5-0.4-0.4-0.2-0.3-0.3-0.3-0.4-0.1-0.1-0.1-0.3-0.2-0.2-0.1-0.2-0.2-0.2-0.2-0.3-0.3-0.1-0.2-0.2-0.1-0.1-0.1-0.2-0.1-0.2-0.3-0.3-0.2
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value126912651275127112681274121112081205110311141028102510211031102910251022498496495493446445443441449408407406414412411409418417414413428425424422437252
Percentage of StockholdersEquity46.947.747.447.747.852.351.151.652.451.154.253.654.554.755.355.255.856.739.739.239.640.339.038.839.439.640.938.939.239.841.441.842.242.944.544.742.442.544.536.937.237.639.326.8
Percentage of Assets5.96.06.16.06.06.56.86.76.97.07.26.96.97.17.37.27.37.44.44.34.54.64.64.54.54.74.84.54.94.95.04.84.95.15.25.15.15.25.45.15.25.35.43.3
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

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1.2541.2541.2541.2541.2531.2531.2041.2041.2041.1571.1571.1241.1241.1231.1231.1231.1231.1230.9130.9130.9130.9130.8820.8820.8820.8820.8820.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.67
Percentage of StockholdersEquity0.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-302019-03-312018-12-312013-12-312012-12-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2302302302302300.00.00.00.00.00.00.00.0191191191190190
Percentage of StockholdersEquity8.58.78.68.78.70.00.00.00.00.00.00.00.016.616.817.017.220.2
Percentage of Assets1.11.11.11.11.10.00.00.00.00.00.00.00.02.32.42.42.32.5
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value14441413138813661359135713801343130412731192116411221103107410821056103010161003982964953944927912899891878866853839813800786773823817810807801794787810
Percentage of StockholdersEquity53.453.351.651.351.255.758.257.456.759.058.060.759.659.157.658.157.557.180.979.078.578.783.282.382.581.881.784.984.584.985.385.183.583.983.682.984.184.184.270.170.270.770.886.1
Percentage of Assets6.76.76.76.56.46.97.77.57.58.07.77.87.67.77.67.67.67.58.98.78.99.09.89.59.49.69.59.810.610.410.39.99.89.99.79.510.210.210.29.69.99.99.710.5
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-235.482-235.016-232.144-232.177-232.323-233.199-220.343-220.268-207.973-186.763-200.994-201.084-200.971-200.068-210.073-209.88-209.392-208.946-218.534-218.436-218.657-218.71-226.413-226.641-226.19-226.203-233.566-232.248-232.651-232.802-240.657-240.588-240.892-239.938-249.076-249.396-248.354-248.61-263.483-261.909-262.097-260.633-277.184-293.664
Percentage of StockholdersEquity-8.7-8.9-8.6-8.7-8.7-9.6-9.3-9.4-9.0-8.6-9.8-10.5-10.7-10.7-11.3-11.3-11.4-11.6-17.4-17.2-17.5-17.9-19.8-19.7-20.1-20.3-21.2-22.1-22.4-22.8-24.0-24.4-24.7-25.2-26.5-26.7-25.4-25.6-27.4-22.7-23.0-23.2-24.9-31.2
Percentage of Assets-1.1-1.1-1.1-1.1-1.1-1.2-1.2-1.2-1.2-1.2-1.3-1.3-1.4-1.4-1.5-1.5-1.5-1.5-1.9-1.9-2.0-2.0-2.3-2.3-2.3-2.4-2.5-2.6-2.8-2.8-2.9-2.8-2.9-3.0-3.1-3.1-3.1-3.1-3.3-3.1-3.2-3.2-3.4-3.8
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Tier One Risk Based Capital

us-gaap:TierOneRiskBasedCapital dei:LegalEntity

us-gaap:TierOneRiskBasedCapital

fmbi:FirstMidwestBancorpInc


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1777149613151204991893802
Percentage of TierOneRiskBasedCapital100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets8.58.48.58.68.79.28.5
Percentage of Assets fmbi:FirstMidwestBancorpInc0.00.00.00.00.00.00.0

fmbi:FirstMidwestBank


Tier
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value1561148913591204956854857
Percentage of TierOneRiskBasedCapital87.999.6103.4100.096.495.6106.8
Percentage of Assets7.58.38.88.68.48.89.1
Percentage of Assets fmbi:FirstMidwestBank0.00.00.00.00.00.00.0

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
Value442247158120140119
Percentage of CashAndCashEquivalentsAtCarryingValue100.0100.0100.0100.0100.0100.0
Percentage of Assets2.11.41.00.91.21.2
Percentage of Assets srt:ParentCompany14.89.36.95.70.00.0

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents


Cash
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312016-12-31
Value1545101011171190942481299475326262289296374235346262
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets7.14.85.45.64.42.41.72.61.91.71.92.02.51.62.52.3

Land

us-gaap:Land

us-gaap:Land


Land
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312011-12-312010-12-31
Value29302830303129181943515048
Percentage of Land100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.10.20.20.20.20.20.20.20.20.40.50.60.6

Property Plant And Equipment Gross

us-gaap:PropertyPlantAndEquipmentGross

us-gaap:PropertyPlantAndEquipmentGross


Property
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value298300277269264306302218218286285268268270284
Percentage of PropertyPlantAndEquipmentGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.41.71.81.91.92.22.21.91.92.93.03.33.33.43.5

Furniture And Fixtures Gross

us-gaap:FurnitureAndFixturesGross

us-gaap:FurnitureAndFixturesGross


Furniture
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312011-12-312010-12-31
Value13713712711511413513310510390857276
Percentage of FurnitureAndFixturesGross100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.80.80.80.81.01.00.90.90.90.90.90.9

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment


Accumulated
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value170159148148142182178140141171156152-148.738-143.195-143.222
Percentage of AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.91.01.11.01.31.31.21.21.81.71.9-1.8-1.8-1.8

Amortization Of Intangible Assets

us-gaap:AmortizationOfIntangibleAssets

us-gaap:AmortizationOfIntangibleAssets


Amortization
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value2.7982.8072.8072.812.822.772.7442.752.6242.3632.0761.7721.7941.8021.8061.9312.1631.9651.2071.2451.2450.985
Percentage of AmortizationOfIntangibleAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Property Plant And Equipment Net

us-gaap:PropertyPlantAndEquipmentNet

us-gaap:PropertyPlantAndEquipmentNet


Property
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-312013-12-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1281411281211221241237877114129116119132133132134132131138140120
Percentage of PropertyPlantAndEquipmentNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.60.80.80.90.90.90.90.70.71.21.41.41.51.61.61.71.71.61.61.71.71.6

Goodwill

us-gaap:Goodwill

us-gaap:Goodwill


Goodwill
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value862796728697691691691340340341339319310264265265265262262
Percentage of Goodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.14.54.75.04.85.05.03.02.93.13.23.33.33.23.33.33.33.40.0

Finite Lived Intangible Assets Net

us-gaap:FiniteLivedIntangibleAssetsNet

us-gaap:FiniteLivedIntangibleAssetsNet


Finite
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value70786157586063252728302023121518201821
Percentage of FiniteLivedIntangibleAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.40.40.40.40.40.50.20.20.30.30.20.20.10.20.20.30.20.0

Intangible Assets Net Including Goodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill

us-gaap:IntangibleAssetsNetIncludingGoodwill


Intangible
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-31
Value926928932935940935875876878808790751753754754750752754366367369369339331332333334322274275276277279280281281281282283
Percentage of IntangibleAssetsNetIncludingGoodwill100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets4.34.44.54.44.44.74.94.95.05.15.15.05.15.25.45.35.45.53.23.23.43.43.53.33.43.53.53.53.33.33.33.33.33.53.53.53.53.53.6

Deferred Tax Assets Liabilities Net

us-gaap:DeferredTaxAssetsLiabilitiesNet

us-gaap:DeferredTaxAssetsLiabilitiesNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value574360641008691107133102113
Percentage of DeferredTaxAssetsLiabilitiesNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.30.20.40.50.90.91.01.31.61.31.4

us-gaap:DeferredTaxAssetsLiabilitiesNet us-gaap:BusinessAcquisition

fmbi:ParkBank


Deferred
Period End2020-12-31
Value5.0
Percentage of DeferredTaxAssetsLiabilitiesNet8.7
Percentage of Assets0.0
Percentage of Assets fmbi:ParkBank0.0

Operating Lease Right Of Use Asset

us-gaap:OperatingLeaseRightOfUseAsset

us-gaap:OperatingLeaseRightOfUseAsset


Operating
Period End2021-06-302021-03-312020-12-312020-09-302019-12-312019-09-302019-06-302019-03-312019-01-01
Value144122125127141139139140143
Percentage of OperatingLeaseRightOfUseAsset100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.70.60.60.60.80.80.80.90.0

Equity Securities Fv Ni

us-gaap:EquitySecuritiesFvNi

us-gaap:EquitySecuritiesFvNi


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1129676554340424040333029280.0
Percentage of EquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0
Percentage of Assets0.50.50.40.30.20.20.20.20.20.20.20.20.20.0

us-gaap:EquitySecuritiesFvNi us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementFrequency

us-gaap:FairValueInputsLevel1, us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value877252252421232222221922210.0
Percentage of EquitySecuritiesFvNi77.474.369.246.254.853.656.355.355.666.663.876.075.00.0
Percentage of Assets0.40.30.30.10.10.10.10.10.10.10.10.10.10.0
Percentage of Assets us-gaap:FairValueInputsLevel1 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:FairValueMeasurementsRecurring


Equity
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value20191824141313131311116.9687.1080.0
Percentage of EquitySecuritiesFvNi18.120.524.244.733.933.931.832.432.033.436.224.025.00.0
Percentage of Assets0.10.10.10.10.10.10.10.10.10.10.10.00.00.0
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:FairValueMeasurementsRecurring0.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value513473532612568539437458415360245231206219221525340336278236225212174197209200190207188183180180180179190186164163179174189198202190
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 Assets2.42.22.62.92.72.72.52.52.42.31.61.51.41.51.63.72.42.42.42.02.12.01.82.02.12.12.02.32.32.22.22.12.22.22.42.32.02.12.22.12.32.52.52.5

us-gaap:OtherAssets us-gaap:ConsolidatedEntities

srt:ParentCompany


Other
Period End2020-12-312019-12-312018-12-312017-12-31
Value81455543
Percentage of OtherAssets15.210.422.719.7
Percentage of Assets0.40.30.40.3
Percentage of Assets srt:ParentCompany2.71.72.42.1

Time Deposit Maturities Year One

us-gaap:TimeDepositMaturitiesYearOne

us-gaap:TimeDepositMaturitiesYearOne


Time
Period End2020-12-31
Value1708
Percentage of TimeDepositMaturitiesYearOne100.0
Percentage of Assets8.2

Long Term Debt

us-gaap:LongTermDebt

us-gaap:LongTermDebt


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value235234234234234234233233233203203195195195195195194194194309162201201201201200200191190190190214214214214252137
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.11.11.11.11.21.31.31.31.31.31.31.31.41.41.41.41.41.72.71.51.92.12.02.02.12.12.12.32.32.32.52.62.72.73.21.7

us-gaap:LongTermDebt us-gaap:ConsolidatedEntities

srt:ParentCompany


Long
Period End2020-12-312019-12-312018-12-312017-12-31
Value234233203195
Percentage of LongTermDebt100.0100.0100.0100.0
Percentage of Assets1.11.31.31.4
Percentage of Assets srt:ParentCompany7.88.88.89.2

us-gaap:LongTermDebt us-gaap:DebtInstrument

fmbi:DebtModifiedUnderCARESAct


Long
Period End2020-12-312020-09-30
Value96404
Percentage of LongTermDebt41.2172.5
Percentage of Assets0.51.9
Percentage of Assets fmbi:DebtModifiedUnderCARESAct0.00.0

us-gaap:LongTermDebt us-gaap:FairValueByFairValueHierarchyLevel, us-gaap:FairValueByMeasurementBasis

us-gaap:FairValueInputsLevel2, us-gaap:CarryingReportedAmountFairValueDisclosure


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value235234234234234234233233233203203195195195195195194194194201
Percentage of LongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.11.11.11.11.21.31.31.31.31.31.31.31.41.41.41.41.41.72.1
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:CarryingReportedAmountFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:FairValueInputsLevel2, us-gaap:EstimateOfFairValueFairValueDisclosure


Long
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-31
Value284281281279266261277276272213211209208194198194197
Percentage of LongTermDebt121.1119.7120.1119.3113.5111.9118.5118.4116.5104.6103.6107.3106.699.8101.999.7101.7
Percentage of Assets1.31.31.41.31.31.31.61.51.61.31.41.41.41.41.41.41.7
Percentage of Assets us-gaap:FairValueInputsLevel2 us-gaap:EstimateOfFairValueFairValueDisclosure0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value22181818
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearTwo100.0100.0100.0100.0
Percentage of Assets0.10.10.10.1

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
Value22181818
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearThree100.0100.0100.0100.0
Percentage of Assets0.10.10.10.1

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
Value21171818
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFour100.0100.0100.0100.0
Percentage of Assets0.10.10.10.1

Lessee Operating Lease Liability Payments Due Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFive


Lessee
Period End2020-12-31
Value17
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueYearFive100.0
Percentage of Assets0.1

Lessee Operating Lease Liability Payments Due After Year Five

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive


Lessee
Period End2020-12-31
Value86
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive100.0
Percentage of Assets0.4

Operating Lease Liability

us-gaap:OperatingLeaseLiability

us-gaap:OperatingLeaseLiability


Operating
Period End2021-06-302021-03-312020-12-312020-09-302019-03-312019-01-01
Value171151153157160143
Percentage of OperatingLeaseLiability100.0100.0100.0100.0100.0100.0
Percentage of Assets0.80.70.70.71.00.0

Lessee Operating Lease Liability Payments Due

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue

us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value196175178184
Percentage of LesseeOperatingLeaseLiabilityPaymentsDue100.0100.0100.0100.0
Percentage of Assets0.90.80.90.9

Lessee Operating Lease Liability Undiscounted Excess Amount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount

us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value24242527
Percentage of LesseeOperatingLeaseLiabilityUndiscountedExcessAmount100.0100.0100.0100.0
Percentage of Assets0.10.10.10.1

Stockholders Equity

us-gaap:StockholdersEquity

us-gaap:StockholdersEquity


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value27042653269026642656243523702339230021592054191718831869186418651836180412571269125012241146114711241115110010491039102010019869749539409339789729621152114111231112941
Percentage of StockholdersEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets12.512.512.912.612.512.313.313.013.213.713.312.812.713.013.213.113.113.111.011.011.411.411.811.611.411.711.711.512.512.312.111.611.711.811.611.412.112.212.113.814.014.013.612.2

us-gaap:StockholdersEquity us-gaap:ConsolidatedEntities

srt:ParentCompany


Stockholders
Period End2020-12-312019-12-312018-12-312017-12-31
Value2690237020541864
Percentage of StockholdersEquity100.0100.0100.0100.0
Percentage of Assets12.913.313.313.2
Percentage of Assets srt:ParentCompany89.789.489.288.1

us-gaap:StockholdersEquity us-gaap:StatementEquityComponents

us-gaap:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value-22.128-22.128-22.128-18.581-18.581-18.581-18.581-21.17-21.17-21.17-21.17-18.338-18.338-18.338-15.297-17.089-17.089-17.089-17.089-15.65
Percentage of StockholdersEquity-0.8-0.8-0.8-0.7-0.7-0.8-0.8-0.9-0.9-1.0-1.0-1.0-1.0-1.0-0.8-0.9-0.9-0.9-1.4-1.4
Percentage of Assets-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:AccumulatedDefinedBenefitPlansAdjustmentNetUnamortizedGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value7.2218.87610-1.354-11.696-6.4380.819-0.0250.263-1.498-2.55-5.245-4.596-4.172-3.763-2.888-3.051-2.507-1.176-2.468
Percentage of StockholdersEquity0.30.30.4-0.1-0.4-0.30.0-0.00.0-0.1-0.1-0.3-0.2-0.2-0.2-0.2-0.2-0.1-0.1-0.2
Percentage of Assets0.00.00.0-0.0-0.1-0.00.0-0.00.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0-0.0
Percentage of Assets us-gaap:AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedges0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value8.966-8.84438455960152718-9.491-28.792-51.55-41.466-35.021-13.976-18.059-16.427-20.668-22.645-10.271
Percentage of StockholdersEquity0.3-0.31.41.72.22.50.71.20.8-0.4-1.4-2.7-2.2-1.9-0.7-1.0-0.9-1.1-1.8-0.9
Percentage of Assets0.0-0.00.20.20.30.30.10.20.1-0.1-0.2-0.3-0.3-0.2-0.1-0.1-0.1-0.2-0.2-0.1
Percentage of Assets us-gaap:AccumulatedNetUnrealizedInvestmentGainLoss0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AccumulatedOtherComprehensiveIncome


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-5.941-22.09626252835-1.9546.738-2.81-32.159-52.512-75.133-64.4-57.531-33.036-38.036-36.567-40.264-40.91-13.402-8.803-15.041-28.389-15.818-21.232-12.805-15.855-18.852-15.271-19.772-26.792-26.057-10.299-16.889-15.66-9.248-11.867-10.919-13.276-11.413-15.339-24.373-27.739-18.666
Percentage of StockholdersEquity-0.2-0.81.01.01.11.5-0.10.3-0.1-1.5-2.6-3.9-3.4-3.1-1.8-2.0-2.0-2.2-3.3-1.1-0.7-1.2-2.5-1.4-1.9-1.1-1.4-1.8-1.5-1.9-2.7-2.6-1.1-1.8-1.7-1.0-1.2-1.1-1.4-1.0-1.3-2.2-2.5-2.0
Percentage of Assets-0.0-0.10.10.10.10.2-0.00.0-0.0-0.2-0.3-0.5-0.4-0.4-0.2-0.3-0.3-0.3-0.4-0.1-0.1-0.1-0.3-0.2-0.2-0.1-0.2-0.2-0.2-0.2-0.3-0.3-0.1-0.2-0.2-0.1-0.1-0.1-0.2-0.1-0.2-0.3-0.3-0.2
Percentage of Assets us-gaap:AccumulatedOtherComprehensiveIncome0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdditionalPaidInCapital


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value126912651275127112681274121112081205110311141028102510211031102910251022498496495493446445443441449408407406414412411409418417414413428425424422437252
Percentage of StockholdersEquity46.947.747.447.747.852.351.151.652.451.154.253.654.554.755.355.255.856.739.739.239.640.339.038.839.439.640.938.939.239.841.441.842.242.944.544.742.442.544.536.937.237.639.326.8
Percentage of Assets5.96.06.16.06.06.56.86.76.97.07.26.96.97.17.37.27.37.44.44.34.54.64.64.54.54.74.84.54.94.95.04.84.95.15.25.15.15.25.45.15.25.35.43.3
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

us-gaap:CommonStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value1.2541.2541.2541.2541.2531.2531.2041.2041.2041.1571.1571.1241.1241.1231.1231.1231.1231.1230.9130.9130.9130.9130.8820.8820.8820.8820.8820.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.8580.67
Percentage of StockholdersEquity0.00.00.00.00.00.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.10.1
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:CommonStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:PreferredStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-06-302019-03-312018-12-312013-12-312012-12-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value2302302302302300.00.00.00.00.00.00.00.0191191191190190
Percentage of StockholdersEquity8.58.78.68.78.70.00.00.00.00.00.00.00.016.616.817.017.220.2
Percentage of Assets1.11.11.11.11.10.00.00.00.00.00.00.00.02.32.42.42.32.5
Percentage of Assets us-gaap:PreferredStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:RetainedEarnings


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value14441413138813661359135713801343130412731192116411221103107410821056103010161003982964953944927912899891878866853839813800786773823817810807801794787810
Percentage of StockholdersEquity53.453.351.651.351.255.758.257.456.759.058.060.759.659.157.658.157.557.180.979.078.578.783.282.382.581.881.784.984.584.985.385.183.583.983.682.984.184.184.270.170.270.770.886.1
Percentage of Assets6.76.76.76.56.46.97.77.57.58.07.77.87.67.77.67.67.67.58.98.78.99.09.89.59.49.69.59.810.610.410.39.99.89.99.79.510.210.210.29.69.99.99.710.5
Percentage of Assets us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:TreasuryStock


Stockholders
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value-235.482-235.016-232.144-232.177-232.323-233.199-220.343-220.268-207.973-186.763-200.994-201.084-200.971-200.068-210.073-209.88-209.392-208.946-218.534-218.436-218.657-218.71-226.413-226.641-226.19-226.203-233.566-232.248-232.651-232.802-240.657-240.588-240.892-239.938-249.076-249.396-248.354-248.61-263.483-261.909-262.097-260.633-277.184-293.664
Percentage of StockholdersEquity-8.7-8.9-8.6-8.7-8.7-9.6-9.3-9.4-9.0-8.6-9.8-10.5-10.7-10.7-11.3-11.3-11.4-11.6-17.4-17.2-17.5-17.9-19.8-19.7-20.1-20.3-21.2-22.1-22.4-22.8-24.0-24.4-24.7-25.2-26.5-26.7-25.4-25.6-27.4-22.7-23.0-23.2-24.9-31.2
Percentage of Assets-1.1-1.1-1.1-1.1-1.1-1.2-1.2-1.2-1.2-1.2-1.3-1.3-1.4-1.4-1.5-1.5-1.5-1.5-1.9-1.9-2.0-2.0-2.3-2.3-2.3-2.4-2.5-2.6-2.8-2.8-2.9-2.8-2.9-3.0-3.1-3.1-3.1-3.1-3.3-3.1-3.2-3.2-3.4-3.8
Percentage of Assets us-gaap:TreasuryStock0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

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
Value1254000.01254000.01254000.01254000.01253000.01253000.01204000.01204000.01204000.01157000.01157000.01124000.01124000.01123000.01123000.01123000.01123000.01123000.0913000.0913000.0913000.0913000.0882000.0882000.0882000.0882000.0882000.0858000.0858000.0858000.0858000.0858000.0858000.0858000.0858000.0858000.0858000.0858000.0858000.0858000.0858000.0858000.0858000.0670000.0
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

Additional Paid In Capital

us-gaap:AdditionalPaidInCapital

us-gaap:AdditionalPaidInCapital


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
Value126912651275127112681274121112081205110311141028102510211031102910251022498496495493446445443441449408407406414412411409418417414413428425424422437252
Percentage of AdditionalPaidInCapital100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets5.96.06.16.06.06.56.86.76.97.07.26.96.97.17.37.27.37.44.44.34.54.64.64.54.54.74.84.54.94.95.04.84.95.15.25.15.15.25.45.15.25.35.43.3

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
Value14441413138813661359135713801343130412731192116411221103107410821056103010161003982964953944927912899891878866853839813800786773823817810807802794787810
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 Assets6.76.76.76.56.46.97.77.57.58.07.77.87.67.77.67.67.67.58.98.78.99.09.89.59.49.69.59.810.610.410.39.99.89.99.79.510.210.210.29.69.99.99.710.5

Accumulated Other Comprehensive Income Loss Net Of Tax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax

us-gaap:AccumulatedOtherComprehensiveIncomeLossNetOfTax


Accumulated
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-06-302009-12-31
Value-5.941-22.09626252835-1.9546.738-2.81-32.159-52.512-75.133-64.4-57.531-33.036-38.036-36.567-40.264-40.91-13.402-8.803-15.041-28.389-15.818-21.232-12.805-15.855-18.852-15.271-19.772-26.792-26.057-10.299-16.889-15.66-9.248-11.867-10.919-13.276-11.413-15.339-24.373-27.739-12.803-18.666
Percentage of AccumulatedOtherComprehensiveIncomeLossNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets-0.0-0.10.10.10.10.2-0.00.0-0.0-0.2-0.3-0.5-0.4-0.4-0.2-0.3-0.3-0.3-0.4-0.1-0.1-0.1-0.3-0.2-0.2-0.1-0.2-0.2-0.2-0.2-0.3-0.3-0.1-0.2-0.2-0.1-0.1-0.1-0.2-0.1-0.2-0.3-0.30.0-0.2

Treasury Stock Value

us-gaap:TreasuryStockValue

us-gaap:TreasuryStockValue


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312009-12-31
Value235235232232232233220220207186200201200200210209209208218218218218226226226226233232232232240240240239249249248248263261262260277293
Percentage of TreasuryStockValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets1.11.11.11.11.11.21.21.21.21.21.31.31.41.41.51.51.51.51.91.92.02.02.32.32.32.42.52.62.82.82.92.82.93.03.13.13.13.13.33.13.23.23.43.8

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

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue


Adjustments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value3.6084.5493.4983.5653.7553.9223.1653.1553.1843.6792.8982.9682.8293.3672.6692.7272.8622.9652.0362.0061.9981.839-4.9818.7361.7871.7
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
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
Value3.6084.5493.4983.5653.7553.9223.1653.1553.1843.6792.8982.9682.8293.3672.6692.7272.8622.9652.0362.0061.9981.8391.7831.9721.7871.7
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0-35.822.6100.0100.0
Percentage of Assets0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0
Percentage of Assets us-gaap:AdditionalPaidInCapital0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-61.372179407882-65.67877445549633312035284
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-39.9118.725.149.350.6-38.643.824.531.330.439.722.684.727.2219.6

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value190-595.55993438-1041.355-586.293-54.001-365.784-430.369-204.03932-227.289-346.31-461.481-213.814-163.166216-95.948-262.321-306.936-384.133-327.049-87.441-49.803-34.097118153-100.868-59.35-89.064-75.597-64.57-140.065245-31.003-153.812-205.406-35.244686713-14.2752589573
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating123.5-394.058.6275.7-642.6-344.4-30.6-201.0-242.2-125.620.5-152.0-243.7-351.4-165.011.0-129.0175.3-99.6-267.9-317.9-438.8-386.3-103.7-58.9-41.3145.6199.8-140.1-85.2-123.5-104.5-90.0-197.1331.0-41.0-203.7-272.9-44.884.982.416.6-17.3313.4116.689.9

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value406309-207.338-268.6181419834-199.78470438128-103.378115365314-151.162259125-238.057-160.406463207299-303.5135734812-223.02312-48.33542-251.918156252-50.878-92.32132127-17.613-37.626-242.298180-125.746-108.646-64.475157-132.627
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating263.7204.7-129.6-168.9876.3490.1-113.1258.4246.878.8-64.877.5257.0239.2-116.7199.998.9-192.4-166.5473.2214.4341.9-358.568.3412.414.6-274.316.8-67.161.5-349.3216.7352.5-71.6-124.442.4168.7-23.4-47.8-302.2222.6-154.7-131.7-78.3191.3-162.2

Net Cash Provided By Used In Operating Activities

us-gaap:NetCashProvidedByUsedInOperatingActivities

us-gaap:NetCashProvidedByUsedInOperatingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value-61.372179407882-65.67877445549633312035284
Percentage of NetCashProvidedByUsedInOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating-39.9118.725.149.350.6-38.643.824.531.330.439.722.684.727.2219.6

Net Income Loss

us-gaap:NetIncomeLoss

us-gaap:NetIncomeLoss


Net
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value514527191954
Percentage of NetIncomeLoss100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating33.229.817.411.811.530.0

Profit Loss

us-gaap:ProfitLoss

us-gaap:ProfitLoss


Profit
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
Value51454127191952544746415329332.3473834222028251716232219141818171929161413-48.5276.3657.8926.4019.1161010-28.1592.5857.8098.081
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating33.229.826.017.411.811.529.530.026.528.326.035.720.825.51.829.427.618.521.529.026.220.519.327.626.724.117.924.125.725.326.640.522.520.617.8-64.28.410.58.111.413.312.6-34.13.19.59.9

us-gaap:ProfitLoss us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Profit
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312011-06-302011-03-312010-06-302010-03-31
Value51454127191952544746415329332.347383422202825171623221910107.8098.081
Percentage of ProfitLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating33.229.826.017.411.811.529.530.026.528.326.035.720.825.51.829.427.618.521.529.026.220.519.327.626.724.113.312.69.59.9
Percentage of InterestAndDividendIncomeOperating us-gaap:RetainedEarnings0.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.00.0

Share Based Compensation

us-gaap:ShareBasedCompensation

us-gaap:ShareBasedCompensation


Share
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value3.6084.5493.4983.5653.7553.9223.1653.1553.1843.6792.8982.9682.8293.3672.6692.7272.8622.965-4.9818.7361.7871.71.4651.2354.702-1.47610-7.221.5131.3411.4361.4291.6061.5331.2241.7841.7291.625
Percentage of ShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Investing Activities

us-gaap:NetCashProvidedByUsedInInvestingActivities

us-gaap:NetCashProvidedByUsedInInvestingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value190-595.55993438-1041.355-586.293-54.001-365.784-430.369-204.03932-227.289-346.31-461.481-213.814-163.166216-95.948-262.321-306.936-384.133-327.049-87.441-49.803-34.097118153-100.868-59.35-89.064-75.597-64.57-140.065245-31.003-153.812-205.406-35.244686713-14.2752589573
Percentage of NetCashProvidedByUsedInInvestingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating123.5-394.058.6275.7-642.6-344.4-30.6-201.0-242.2-125.620.5-152.0-243.7-351.4-165.011.0-129.0175.3-99.6-267.9-317.9-438.8-386.3-103.7-58.9-41.3145.6199.8-140.1-85.2-123.5-104.5-90.0-197.1331.0-41.0-203.7-272.9-44.884.982.416.6-17.3313.4116.689.9

Payments To Acquire Property Plant And Equipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment

us-gaap:PaymentsToAcquirePropertyPlantAndEquipment


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
Value1.4781.8693.5993.0331.4793.1686.793.185.2795.0817.0623.847106.8444.4435.0613.7282.8916.7634.7844.6152.9214.6782.2053.1711.2156.23.8112.121.9544.4443.32.3010.9852.4662.3123.450.5365.2613.2742.0070.476122.5323.8043.655
Percentage of PaymentsToAcquirePropertyPlantAndEquipment100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Net Cash Provided By Used In Financing Activities

us-gaap:NetCashProvidedByUsedInFinancingActivities

us-gaap:NetCashProvidedByUsedInFinancingActivities


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value406309-207.338-268.6181419834-199.78470438128-103.378115365314-151.162259125-238.057-160.406463207299-303.5135734812-223.02312-48.33542-251.918156252-50.878-92.32132127-17.613-37.626-242.298180-125.746-108.646-64.475157-132.627
Percentage of NetCashProvidedByUsedInFinancingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0
Percentage of InterestAndDividendIncomeOperating263.7204.7-129.6-168.9876.3490.1-113.1258.4246.878.8-64.877.5257.0239.2-116.7199.998.9-192.4-166.5473.2214.4341.9-358.568.3412.414.6-274.316.8-67.161.5-349.3216.7352.5-71.6-124.442.4168.7-23.4-47.8-302.2222.6-154.7-131.7-78.3191.3-162.2

Payments Of Dividends

us-gaap:PaymentsOfDividends

us-gaap:PaymentsOfDividends


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value202020201715151512121111111010109.2797.2067.3137.7627.2386.8856.9046.97.0146.2186.0126.0265.2725.2583.0063.0030.750.7490.7390.7470.7450.7463.373.1583.1553.155
Percentage of PaymentsOfDividends100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Payments For Repurchase Of Common Stock

us-gaap:PaymentsForRepurchaseOfCommonStock

us-gaap:PaymentsForRepurchaseOfCommonStock


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302016-12-312015-12-312014-12-31
Value0.0140.00.00.0220.012210.00.00.00.00.00.0
Percentage of PaymentsForRepurchaseOfCommonStock0.0100.00.00.00.0100.00.0100.0100.00.00.00.00.00.00.0

Deferred Tax Assets Net

us-gaap:DeferredTaxAssetsNet

us-gaap:DeferredTaxAssetsNet


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value67423949726680891229395
Percentage of DeferredTaxAssetsNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

Unrecognized Tax Benefits

us-gaap:UnrecognizedTaxBenefits

us-gaap:UnrecognizedTaxBenefits


Unrecognized
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-312009-12-312008-12-31
Value171616162.0391.4080.9120.2790.00.3680.4290.3145.751
Percentage of UnrecognizedTaxBenefits100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0

Deferred Tax Assets Valuation Allowance

us-gaap:DeferredTaxAssetsValuationAllowance

us-gaap:DeferredTaxAssetsValuationAllowance


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-31
Value2132000.000000000
Percentage of DeferredTaxAssetsValuationAllowance100.00.00.00.00.00.00.00.00.0

fmbi:AdjustmentsToAdditionalPaidInCapitalPreferredStockTrueUpAdjustment

fmbi:AdjustmentsToAdditionalPaidInCapitalPreferredStockTrueUpAdjustment


Adjustments
Period End2020-09-30
Value265000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalPreferredStockTrueUpAdjustment100.0

fmbi:AdjustmentsToAdditionalPaidInCapitalPreferredStockTrueUpAdjustment us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Adjustments
Period End2020-09-30
Value265000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalPreferredStockTrueUpAdjustment100.0

fmbi:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionShares us-gaap:StatementEquityComponents

fmbi:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionShares

us-gaap:CommonStock


Adjustments
Period End2020-09-30
Value-18000.0
Percentage of AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionShares100.0

fmbi:CapitalMarketProductsIncome

fmbi:CapitalMarketProductsIncome


Capital
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value1.9542.0890.6590.8860.6944.7226.3374.1612.1541.31.4211.9362.81.5582.0152.62.21.41.82.9162.0663.2
Percentage of CapitalMarketProductsIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:CarryingAmountOfLoansSold us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

fmbi:CarryingAmountOfLoansSold

fmbi:TotalCorporateLoans


Carrying
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
Value0.286160.3340.0650.2894.1883.9514.952.1323.1162.6872.8273.8618.1236.0291119151811139.13109.7713.8645.145
Percentage of CarryingAmountOfLoansSold100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ResidentialMortgage


Carrying
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-30
Value20728327525116811617214093575161646366725954851075238514251
Percentage of CarryingAmountOfLoansSold72651.71680.882507.8387413.858358.52785.24377.82848.44384.31843.91914.32167.51666.3784.91103.5626.7310.9361.2471.1906.8378.6423.7477.8431.81344.4

fmbi:DebtSecuritiesAvailableForSaleCostOfSecuritiesSold

fmbi:DebtSecuritiesAvailableForSaleCostOfSecuritiesSold


Debt
Period End2020-12-312020-09-30
Value0.0228
Percentage of DebtSecuritiesAvailableForSaleCostOfSecuritiesSold0.0100.0

fmbi:FeesAndCommissionsCreditAndDebitCards1

fmbi:FeesAndCommissionsCreditAndDebitCards1


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value4.7644.5564.534.4723.183.9684.5124.6944.5494.3784.5744.1234.3943.9336.0525.9928.832
Percentage of FeesAndCommissionsCreditAndDebitCards1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:FeesAndCommissionsDepositorAccounts1

fmbi:FeesAndCommissionsDepositorAccounts1


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value109.9810109.125111213121112121211121212
Percentage of FeesAndCommissionsDepositorAccounts1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:FeesAndCommissionsFiduciaryAndTrustActivitiesAndInvestmentAdvisoryFees

fmbi:FeesAndCommissionsFiduciaryAndTrustActivitiesAndInvestmentAdvisoryFees


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value14141312111212121211101010101010109.668.3758.4958.6427.5597.4937.2227.4337.0146.7446.7216.5526.4576.2026.0186.1265.8395.595.4155.3945.392
Percentage of FeesAndCommissionsFiduciaryAndTrustActivitiesAndInvestmentAdvisoryFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:FeesAndCommissionsMortgageBanking1

fmbi:FeesAndCommissionsMortgageBanking1


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value6.749109.1916.6593.4771.7884.1343.0661.9011.0041.3041.6571.7362.3972.3522.2461.645
Percentage of FeesAndCommissionsMortgageBanking1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:FeesAndCommissionsOther1

fmbi:FeesAndCommissionsOther1


Fees
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value2.8232.7612.9932.8232.0782.6821.5233.0232.7832.6111.2532.7862.8382.548-6.24.7455.856
Percentage of FeesAndCommissionsOther1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:FinancingReceivableExcludingAccruedInterestRevolvingLoansConvertedToTermLoan

fmbi:FinancingReceivableExcludingAccruedInterestRevolvingLoansConvertedToTermLoan


Financing
Period End2021-06-302020-06-30
Value9.716
Percentage of FinancingReceivableExcludingAccruedInterestRevolvingLoansConvertedToTermLoan100.0100.0

fmbi:FinancingReceivableImpairedTroubledDebtRestructuringTransfersFromToNonAccrual us-gaap:FinancialInstrumentPerformanceStatus

fmbi:FinancingReceivableImpairedTroubledDebtRestructuringTransfersFromToNonAccrual

fmbi:Accruing


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.0-0.3470.00.00.00.0-0.3830.00.120.00.00.00.001-13.3150.0-1.077-0.048-0.101-0.1830.00.0-0.061
Percentage of FinancingReceivableImpairedTroubledDebtRestructuringTransfersFromToNonAccrual0.0100.00.00.00.00.0100.00.0100.00.00.00.0100.0100.00.0100.0100.0100.0100.00.00.0100.0

fmbi:FinancingReceivableImpairedTroubledDebtRestructuringTransfersToFromAccruing us-gaap:FinancialInstrumentPerformanceStatus

fmbi:FinancingReceivableImpairedTroubledDebtRestructuringTransfersToFromAccruing

fmbi:Nonaccrual


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.00.3470.00.00.00.00.3830.0-0.120.00.00.0-0.001130.01.0770.0480.1010.1830.00.00.061
Percentage of FinancingReceivableImpairedTroubledDebtRestructuringTransfersToFromAccruing0.0100.00.00.00.00.0100.00.0100.00.00.00.0100.0100.00.0100.0100.0100.0100.00.00.0100.0

fmbi:FinancingReceivableImpairedTroubledDebtRestructuringsPrincipalPaymentsAdvances us-gaap:FinancialInstrumentPerformanceStatus

fmbi:FinancingReceivableImpairedTroubledDebtRestructuringsPrincipalPaymentsAdvances

fmbi:Accruing


Financing
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.0160.0150.0130.0150.0170.0190.020.034
Percentage of FinancingReceivableImpairedTroubledDebtRestructuringsPrincipalPaymentsAdvances100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:Nonaccrual


Financing
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-31
Value0.6092.6655.8862.5950.6582.7531.447-2.921
Percentage of FinancingReceivableImpairedTroubledDebtRestructuringsPrincipalPaymentsAdvances3806.217766.745276.917300.03870.614489.57235.0-8591.2

fmbi:FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDateAcquisitionAdjustment

fmbi:FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDateAcquisitionAdjustment


Financing
Period End2020-09-302020-03-31
Value1.18814
Percentage of FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDateAcquisitionAdjustment100.0100.0

fmbi:FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDateAcquisitionAdjustment us-gaap:FinancingReceivablePortfolioSegment

fmbi:CommercialIndustrialAndAgricultural


Financing
Period End2020-09-302020-03-31
Value1.18812
Percentage of FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDateAcquisitionAdjustment100.085.7

fmbi:FinancingReceivableRevolvingLoansConvertedToTermLoan

fmbi:FinancingReceivableRevolvingLoansConvertedToTermLoan


Financing
Period End2021-03-312020-12-312020-09-302020-06-302020-03-31
Value11335.2167.0
Percentage of FinancingReceivableRevolvingLoansConvertedToTermLoan100.0100.0100.0100.0100.0

fmbi:InterestExpenseSeniorAndSubordinatedLongTermDebt

fmbi:InterestExpenseSeniorAndSubordinatedLongTermDebt


Interest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value3.4693.4713.4823.4983.5773.6943.743.7833.5953.313
Percentage of InterestExpenseSeniorAndSubordinatedLongTermDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:LesseeLeaseCostOptimizationCosts

fmbi:LesseeLeaseCostOptimizationCosts


Lessee
Period End2021-06-302021-03-312020-12-312020-09-30
Value0.0311.5251.49318
Percentage of LesseeLeaseCostOptimizationCosts100.0100.0100.0100.0

fmbi:NetIncomeApplicableToNonvestedRestrictedShares

fmbi:NetIncomeApplicableToNonvestedRestrictedShares


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
Value521000.0486000.0369000.0236000.0187000.0192000.0424000.0465000.0389000.0403000.0320000.0441000.0240000.0311000.06000.0340000.0336000.0234000.0217000.0324000.0290000.0212000.0179000.0226000.0249000.0228000.0139000.0242000.0230000.0225000.0260000.0416000.0219000.0212000.0-806000.0715000.0-76000.0-139000.0-12000.0-96000.0-102000.0-140000.0411000.01000.0-65000.0-81000.0
Percentage of NetIncomeApplicableToNonvestedRestrictedShares100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:NetLoansChargedoff

fmbi:NetLoansChargedoff


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value209.75610151212109.1999.3419.0847.5178.0149.777167.1097.6664.0312.8384.5324.7955.134.0733.373.0635.5278.2562.071157.6476.3145.3238.052-9.294-7.529-7.726-125.528-22.54-21.408-31.231-28.965-23.935-19.561-73.844-34.034-20.873
Percentage of NetLoansChargedoff100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:NetLoansChargedoff us-gaap:FinancingReceivablePortfolioSegment

fmbi:CommercialIndustrialAndAgricultural


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value142.1035.3155.7354.8535.9076.8145.9715.2585.155.6295.8617.909145.5338.2372.5572.4083.4021.1451.451.3961.7811.601
Percentage of NetLoansChargedoff71.021.650.436.437.648.864.364.956.356.774.973.180.988.077.8107.463.484.875.123.928.334.352.852.3

fmbi:NetLoansChargedoff us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialRealEstatePortfolioSegment, fmbi:OfficeRetailAndIndustrial


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value3.8784.3771.7011.3393.0860.3290.2560.2191.4540.6180.7130.5960.2790.364-0.078-1.811-0.008-0.8480.1652.1511.6330.4210.2670.457
Percentage of NetLoansChargedoff18.744.916.18.523.92.72.42.415.66.89.57.42.92.3-1.1-23.6-0.2-29.93.644.931.810.37.914.9

us-gaap:CommercialRealEstatePortfolioSegment, srt:Multifamily


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.002-0.0050.0190.00.0090.005-0.439-0.0380.00.339-0.0030.0010.0040.0-0.003-0.002-0.006
Percentage of NetLoansChargedoff0.0-0.10.20.00.10.0-4.1-0.40.03.7-0.00.00.00.0-0.0-0.0-0.1

us-gaap:CommercialRealEstatePortfolioSegment, us-gaap:ConstructionLoans


Net
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.2080.144.8890.7981.8080.003-0.002-0.010.0-0.099-0.004-0.008-0.013-0.012-0.0250.027-0.222-0.012-0.009-0.0120.1110.105-0.114
Percentage of NetLoansChargedoff1.01.331.16.214.90.0-0.0-0.10.0-1.3-0.0-0.1-0.1-0.2-0.30.7-7.8-0.3-0.2-0.22.73.1-3.7

us-gaap:CommercialRealEstatePortfolioSegment, us-gaap:RealEstateLoan


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.4590.3710.9161.7530.0190.1640.013-0.0430.2840.189-0.8170.023-0.3580.03-0.005-0.0190.2280.307-0.1110.4150.811.2940.110.092
Percentage of NetLoansChargedoff2.23.88.711.10.11.40.1-0.53.02.1-10.90.3-3.70.2-0.1-0.25.710.8-2.48.715.831.83.33.0

us-gaap:ConsumerPortfolioSegment, us-gaap:ConsumerPortfolioSegment


Net
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value1.4782.912.4482.0274.1583.9013.9533.0922.3552.7882.0941.5371.9511.5431.6741.2861.2331.2210.9331.1621.1660.6721.1340.959
Percentage of NetLoansChargedoff7.129.823.212.932.232.237.333.625.230.727.919.220.09.623.516.830.643.020.624.222.716.533.631.3

fmbi:NetOccupancyAndEquipmentExpense

fmbi:NetOccupancyAndEquipmentExpense


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
Value13141413151413131314121313131212121210109.9289.6979.2569.4069.622109.4168.7027.6729.3917.917.9827.7938.1478.7478.1087.5138.3317.6818.1578.0129.1037.9168.3267.8088.168
Percentage of NetOccupancyAndEquipmentExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:OtherRealEstateExpenseNet

fmbi:OtherRealEstateExpenseNet


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-30
Value0.160.5890.1060.5440.1260.421.080.3810.2940.6810.763-0.413-0.2561.0680.6950.6571.6311.71.1220.6640.9261.291.8611.2042.5441.4061.5691.5562.8152.8491.0841.7991.3253.2084.1241.8642.9654.1745.2233.931179.57711
Percentage of OtherRealEstateExpenseNet100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:PreferredStockIssuedConversionRatePercentage us-gaap:BusinessAcquisition, us-gaap:StatementClassOfStock

fmbi:PreferredStockIssuedConversionRatePercentage

fmbi:OldNationalBancorp, fmbi:DepositorySeriesAShares


Preferred
Period End2021-06-01
Value2.5
Percentage of PreferredStockIssuedConversionRatePercentage100.0

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments

us-gaap:AccretionAmortizationOfDiscountsAndPremiumsInvestments


Accretion
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-4716000.0-5527000.0-5681000.0-5289000.0-5187000.0-5727000.0-3834000.0-5288000.0-3937000.0-2672000.0-3904000.0-3706000.0-3890000.0-3848000.0-3808000.0-4007000.0-4043000.0-4284000.0
Percentage of AccretionAmortizationOfDiscountsAndPremiumsInvestments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate us-gaap:Range

us-gaap:AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate

srt:Maximum


Assumption
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value012.0011.8800.120000.1200
Percentage of AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate0.0100.00.0100.00.0100.00.00.00.0100.00.00.0

srt:Minimum


Assumption
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value09.50.19.3060.0010.0930.003-0.00500.09500
Percentage of AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate0.079.20.078.30.077.50.00.00.079.20.00.0

us-gaap:AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesPrepaymentSpeed us-gaap:Range

us-gaap:AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesPrepaymentSpeed

srt:Maximum


Assumption
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-0.215.50.815.3510.020.1290.0140.001-0.0380.1430.004-0.004
Percentage of AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesPrepaymentSpeed100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

srt:Minimum


Assumption
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-0.17.8-1.46.624-0.0060.0820.007-0.008-0.0010.069-0.001-0.001
Percentage of AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesPrepaymentSpeed50.050.3-175.043.2-30.063.650.0-800.02.648.3-25.025.0

us-gaap:BankOwnedLifeInsuranceIncome

us-gaap:BankOwnedLifeInsuranceIncome


Bank
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312014-12-312014-09-302013-12-312013-09-302012-12-312012-09-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1921000.01560000.01941000.01705000.01816000.01982000.02797000.01952000.01819000.01826000.01555000.01403000.01504000.01373000.01851000.01424000.01411000.01260000.0843000.0767000.0584000.0-13028000.0355000.0300000.0241000.01479000.0259000.0252000.0696000.0267000.0349000.0248000.0
Percentage of BankOwnedLifeInsuranceIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:BusinessCombinationConsiderationTransferred1 us-gaap:BusinessAcquisition

us-gaap:BusinessCombinationConsiderationTransferred1

fmbi:OldNationalBancorp


Business
Period End2021-06-01
Value6500
Percentage of BusinessCombinationConsiderationTransferred1100.0

us-gaap:BusinessCombinationIntegrationRelatedCosts

us-gaap:BusinessCombinationIntegrationRelatedCosts


Business
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-30
Value7.7730.2451.860.8815.2495.4725.2583.3979.5143.6919.5530.060.00.00.0230.3841.174187.591.1720.6185.021.40.00.00.09.2943.7480.83
Percentage of BusinessCombinationIntegrationRelatedCosts100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.0100.0100.0

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect

us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect


Cash
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value534-106.71724846018214963-26.499-77.668139-111.534
Percentage of CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion us-gaap:CreditLossStatus

us-gaap:CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion

fmbi:AcquiredandCoveredReceivablesDomain


Certain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value6.07.28.07.06.99.79.2106.45.44.64.45.16.27.68.8
Percentage of CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommunicationsAndInformationTechnology

us-gaap:CommunicationsAndInformationTechnology


Communications
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
Value101011109.8538.5485.1925.0624.9084.5964.8494.7634.8374.7714.6454.5054.4854.4333.5143.8813.6693.7013.6943.6733.5273.6872.3814.3163.1043.0742.9842.9842.8842.4833.2312.9062.8512.8582.8762.7092.6972.6233.2092.5932.7852.483
Percentage of CommunicationsAndInformationTechnology100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ContractuallySpecifiedServicingFeesAmount

us-gaap:ContractuallySpecifiedServicingFeesAmount


Contractually
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
Value471000.0489000.0463000.0424000.0394000.0403000.0411000.0404000.0390000.0381000.0395000.0375000.0369000.0378000.0378000.0379000.0
Percentage of ContractuallySpecifiedServicingFeesAmount100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss

us-gaap:DebtSecuritiesAvailableForSaleRealizedGainLoss


Debt
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-06-30
Value0.0140.0-1.0050.00.00.00.00.00.00.00.00.284
Percentage of DebtSecuritiesAvailableForSaleRealizedGainLoss0.0100.00.0100.00.00.00.00.00.00.00.00.0100.0

us-gaap:Depreciation

us-gaap:Depreciation


Depreciation
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value3.6913.8383.9114.1434.2284.1694.1844.0894.0434.054.2074.1093.9783.6063.53.53.53.52.7043.43.43.23.33.4
Percentage of Depreciation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet

us-gaap:DerivativeGainLossOnDerivativeNet


Derivative
Period End2020-12-312020-09-30
Value-17567000.0-14285000.0
Percentage of DerivativeGainLossOnDerivativeNet100.0100.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation

us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2226000.02204000.015773000.0-14185000.02624000.0445000.0361000.0-194000.0-569000.0-631000.0-479000.0-121000.0-127000.0-335000.017000.027000.0453000.0711000.0
Percentage of DerivativeGainLossOnDerivativeNet0.00.0-89.899.30.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DerivativeGainLossOnDerivativeNet us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:HedgingDesignation, us-gaap:IncomeStatementLocation

us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument, us-gaap:InterestExpense


Derivative
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value13598000.0-16350000.000-42000.0-1018000.0-1924000.0-2024000.0-1586000.0-978000.0-503000.0-606000.0-809000.0-919000.0-1078000.0-1145000.0
Percentage of DerivativeGainLossOnDerivativeNet-77.4114.50.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:CashFlowHedging, us-gaap:DesignatedAsHedgingInstrument, us-gaap:InterestIncome


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value2226000.02204000.02175000.02165000.02624000.0445000.0403000.0824000.01355000.01393000.01107000.0857000.0376000.0271000.0826000.0946000.01531000.01856000.0
Percentage of DerivativeGainLossOnDerivativeNet0.00.0-12.4-15.20.00.00.00.00.00.00.00.00.00.00.00.00.00.0

us-gaap:DividendsCommonStock

us-gaap:DividendsCommonStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value151516161616151515121211111110119.2819.1267.3157.4087.247.2287.0177.0147.0227.0116.2066.0276.0255.2725.2610-3.003-0.752-5.2210.7470.7450.749-5.2120.7452.235-0.746-5.1890.7432.221-0.74
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsCommonStock us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value151516161616151515121211111110119.2819.1267.3157.4087.247.2287.0177.0147.0227.0116.2066.0276.0255.2725.2610-3.003-0.752-5.2210.7470.7450.749-5.2120.7452.235-0.746-5.1890.7432.221-0.74
Percentage of DividendsCommonStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStock

us-gaap:DividendsPreferredStock


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.0344.0344.0494.0331.0373.0272.5862.5822.5812.5792.5752.5732.572
Percentage of DividendsPreferredStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:DividendsPreferredStock us-gaap:StatementEquityComponents

us-gaap:RetainedEarnings


Dividends
Period End2021-06-302021-03-312020-12-312020-09-302020-06-30
Value4.0344.0344.0494.0331.037
Percentage of DividendsPreferredStock100.0100.0100.0100.0100.0

us-gaap:ExcessTaxBenefitFromShareBasedCompensationOperatingActivities

us-gaap:ExcessTaxBenefitFromShareBasedCompensationOperatingActivities


Excess
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
Value-128000.0-68000.0-56000.0-123000.0-86000.0-62000.0-53000.0-151000.0-105000.0-55000.0-50000.0-50000.0-107000.0-51000.0-97000.0-265000.042000.0-29000.0
Percentage of ExcessTaxBenefitFromShareBasedCompensationOperatingActivities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FDICIndemnificationAssetAccretionOfDiscount

us-gaap:FDICIndemnificationAssetAccretionOfDiscount


F
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value00590000.0302000.0302000.0302000.0302000.0302000.0302000.0302000.0302000.0302000.0302000.0302000.0302000.0302000.0301000.0302000.0302000.0280000.02635000.0-321000.0-395000.0-458000.06099000.0-650000.0-818000.0-1316000.05332000.0-116000.0-908000.0-1324000.0-3456000.0-6146000.0-2517000.0-1979000.0
Percentage of FDICIndemnificationAssetAccretionOfDiscount0.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesEffectOfChangeInMethod

us-gaap:FinancingReceivableAllowanceForCreditLossesEffectOfChangeInMethod


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-5000.0257000.0-46000.0-2214000.0500000.01900000.02200000.0-670000.0
Percentage of FinancingReceivableAllowanceForCreditLossesEffectOfChangeInMethod100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value2869000.01561000.02588000.01795000.01311000.01816000.02135000.02073000.02083000.01693000.02810000.01250000.01532000.01029000.02011000.02900000.0828000.03440000.01489000.01155000.01003000.01116000.01031000.01294000.02579000.01797000.02669000.01159000.01132000.03244000.02508000.01243000.01388000.03243000.01594000.01592000.01141000.01278000.01030000.01033000.03813000.02020000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery us-gaap:FinancingReceivablePortfolioSegment

fmbi:CommercialIndustrialAndAgricultural


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2033000.0738000.01964000.01118000.0820000.01159000.01051000.01205000.01258000.01301000.01239000.0416000.0753000.0538000.01386000.0698000.0400000.01666000.0758000.0615000.0576000.0502000.0580000.0347000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery70.947.375.962.362.563.849.258.160.476.844.133.349.252.368.924.148.348.450.953.257.445.056.326.8

us-gaap:FinancingReceivableAllowanceForCreditLossesRecovery us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialRealEstatePortfolioSegment, fmbi:OfficeRetailAndIndustrial


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value20000.0100000.05000.05000.06000.09000.018000.074000.0151000.010000.048000.0163000.026000.097000.0127000.01825000.08000.0975000.0184000.042000.08000.0103000.07000.0106000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.76.40.20.30.50.50.83.67.20.61.713.01.79.46.362.91.028.312.43.60.89.20.78.2

us-gaap:CommercialRealEstatePortfolioSegment, srt:Multifamily


Financing
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
Value2000.05000.00005000.0439000.038000.001000.03000.00003000.02000.06000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.10.30.00.00.00.320.61.80.00.10.10.00.00.00.10.10.7

us-gaap:CommercialRealEstatePortfolioSegment, us-gaap:ConstructionLoans


Financing
Period End2021-06-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value10000.0001000.02000.010000.06000.099000.05000.08000.013000.012000.019000.012000.0227000.012000.09000.020000.015000.016000.0114000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery0.30.00.00.00.10.50.43.50.40.51.30.60.71.46.60.80.82.01.31.68.8

us-gaap:CommercialRealEstatePortfolioSegment, us-gaap:RealEstateLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value126000.0115000.090000.070000.012000.0144000.064000.0227000.045000.021000.0980000.0154000.0359000.039000.039000.025000.079000.0101000.0210000.094000.069000.0151000.091000.0506000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery4.47.43.53.90.97.93.011.02.21.234.912.323.43.81.90.99.52.914.18.16.913.58.839.1

us-gaap:ConsumerPortfolioSegment, us-gaap:ConsumerPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value678000.0603000.0529000.0602000.0473000.0499000.0562000.0527000.0619000.0354000.0441000.0512000.0386000.0342000.0444000.0331000.0323000.0443000.0323000.0326000.0329000.0320000.0330000.0213000.0
Percentage of FinancingReceivableAllowanceForCreditLossesRecovery23.638.620.433.536.127.526.325.429.720.915.741.025.233.222.111.439.012.921.728.232.828.732.016.5

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs


Financing
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
Value23111317141312111110109.26411179.12104.8596.2786.0215.956.1335.1894.4014.3578.106104.74178.7799.5587.8319.29510-10.772-356.294127-23.681-22.686-32.261-29.998-27.748-21.581-74.795-35.806-24.732
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:FinancingReceivablePortfolioSegment

fmbi:CommercialIndustrialAndAgricultural


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value162.8417.2796.8535.6737.0667.8657.1766.5166.4516.8686.2778.662146.9198.9352.9574.0744.161.762.0261.8982.3611.948
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs71.025.155.539.139.950.761.863.757.059.966.567.876.685.975.984.660.964.969.129.633.036.653.644.7

us-gaap:FinancingReceivableAllowanceForCreditLossesWriteOffs us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialRealEstatePortfolioSegment, fmbi:OfficeRetailAndIndustrial


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value3.8984.4771.7061.3443.0920.3380.2740.2931.6050.6280.7610.7590.3050.4610.0490.0140.00.1270.3492.1931.6410.5240.2740.563
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs16.539.613.07.721.72.42.22.614.05.87.48.22.72.70.50.10.02.05.836.926.810.16.212.9

us-gaap:CommercialRealEstatePortfolioSegment, srt:Multifamily


Financing
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-30
Value0.0040.0190.00.0090.010.00.00.00.340.00.0010.0040.00.00.00.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.00.10.00.10.10.00.00.03.20.00.00.00.00.00.00.0

us-gaap:CommercialRealEstatePortfolioSegment, us-gaap:ConstructionLoans


Financing
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.2180.144.8890.7981.8080.0040.00.00.0060.00.0010.00.00.0-0.0060.0390.0050.00.00.0080.1260.1210.0
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs0.91.127.95.613.00.00.00.00.10.00.00.00.00.0-0.10.80.10.00.00.12.42.70.0

us-gaap:CommercialRealEstatePortfolioSegment, us-gaap:RealEstateLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value0.5850.4861.0061.8230.0310.3080.0770.1840.3290.210.1630.1770.0010.0690.0340.0060.3070.4080.0990.5090.8791.4450.2010.598
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs2.54.37.710.40.22.20.61.62.91.91.61.90.00.40.40.16.36.51.68.614.327.84.613.7

us-gaap:ConsumerPortfolioSegment, us-gaap:ConsumerPortfolioSegment


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value2.1563.5132.9772.6294.6314.44.5153.6192.9743.1422.5352.0492.3371.8852.1181.6171.5561.6641.2561.4881.4950.9921.4641.172
Percentage of FinancingReceivableAllowanceForCreditLossesWriteOffs9.131.022.715.032.531.635.532.126.029.224.522.120.711.023.215.332.026.520.925.024.419.133.326.9

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2 us-gaap:FinancialInstrumentPerformanceStatus

us-gaap:FinancingReceivableModificationsPostModificationRecordedInvestment2

fmbi:Nonaccrual


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-09-30
Value-1.208110.00.934180.00.00.00.1720.00.00.3550.0140.00.06.2050.00.325
Percentage of FinancingReceivableModificationsPostModificationRecordedInvestment2100.0100.00.0100.0100.00.00.00.0100.00.00.0100.00.0100.00.00.0100.00.0100.0

us-gaap:FinancingReceivableNonaccrualInterestIncome

us-gaap:FinancingReceivableNonaccrualInterestIncome


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value296000.0277000.0100000.01000000.0110000.0278000.0203000.0292000.069000.079000.0
Percentage of FinancingReceivableNonaccrualInterestIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate

us-gaap:FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate


Financing
Period End2020-09-302020-06-302020-03-31
Value-1.1881.2514
Percentage of FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate100.0100.0100.0

us-gaap:FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate us-gaap:FinancingReceivablePortfolioSegment

fmbi:CommercialIndustrialAndAgricultural


Financing
Period End2020-09-302020-06-302020-03-31
Value-1.1880.37812
Percentage of FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate100.030.285.7

us-gaap:FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialRealEstatePortfolioSegment, fmbi:OfficeRetailAndIndustrial


Financing
Period End2020-09-302020-06-302020-03-31
Value0.00.02.003
Percentage of FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate-0.00.014.0

us-gaap:ConsumerPortfolioSegment, us-gaap:ConsumerPortfolioSegment


Financing
Period End2020-09-302020-06-302020-03-31
Value0.00.00.039
Percentage of FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate-0.00.00.3

us-gaap:FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:ReserveforUnfundedCommitments


Financing
Period End2020-09-302020-06-302020-03-31
Value0.00.8720.0
Percentage of FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate-0.069.80.0

us-gaap:FinancingReceivableSignificantPurchases us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType, us-gaap:FinancingReceivablePortfolioSegment

us-gaap:FinancingReceivableSignificantPurchases

fmbi:CommercialAndIndustrialLoans, fmbi:CorporateLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value801539410221459095
Percentage of FinancingReceivableSignificantPurchases100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:InstallmentLoans, us-gaap:ConsumerLoan


Financing
Period End2021-06-302021-03-312019-09-30
Value1461063.305
Percentage of FinancingReceivableSignificantPurchases181.769.63.4

fmbi:OfficeRetailAndIndustrialLoans, fmbi:CorporateLoans


Financing
Period End2021-06-302021-03-312019-12-312019-09-30
Value0.07.4383.0560.02
Percentage of FinancingReceivableSignificantPurchases0.04.83.40.0

fmbi:OtherCommercialRealEstateLoans, fmbi:CorporateLoans


Financing
Period End2021-06-302020-12-312020-09-302020-06-302019-12-312019-09-30
Value355.00.010.00.63319
Percentage of FinancingReceivableSignificantPurchases43.45.30.043.70.720.8

us-gaap:ConstructionLoans, fmbi:CorporateLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value0.8940.1423.1053.6923.2580.639131.852
Percentage of FinancingReceivableSignificantPurchases1.10.13.336.214.20.414.61.9

us-gaap:HomeEquityLoan, us-gaap:ConsumerLoan


Financing
Period End2020-12-312020-09-302020-06-302020-03-312019-12-31
Value0.00.00.014471
Percentage of FinancingReceivableSignificantPurchases0.00.00.099.479.1

us-gaap:ResidentialMortgage, us-gaap:ConsumerLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value22436173216817970236293
Percentage of FinancingReceivableSignificantPurchases278.7235.4776.81648.2783.748.1260.0305.8

us-gaap:FinancingReceivableSignificantPurchases us-gaap:FinancingReceivablePortfolioSegment

fmbi:CorporateLoans


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value1281751191336146107117
Percentage of FinancingReceivableSignificantPurchases159.2114.2126.7136.2157.9100.4118.6122.7

us-gaap:ConsumerLoan


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value371467732168179215305296
Percentage of FinancingReceivableSignificantPurchases460.4305.0776.81648.2783.7147.5335.5309.3

us-gaap:FinancingReceivableSignificantPurchases us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:CorporateLoans, srt:Multifamily


Financing
Period End2021-06-302021-03-31
Value1114
Percentage of FinancingReceivableSignificantPurchases14.79.3

us-gaap:FinancingReceivableSignificantSales us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

us-gaap:FinancingReceivableSignificantSales

fmbi:TotalCorporateLoans


Financing
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value0.291160.050.2954.3035.108
Percentage of FinancingReceivableSignificantSales100.0100.0100.0100.0100.0100.0

us-gaap:ResidentialMortgage


Financing
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value214293258173119143
Percentage of FinancingReceivableSignificantSales73624.11734.9517390.058729.22769.22814.7

us-gaap:FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown us-gaap:FinancialInstrumentPerformanceStatus

us-gaap:FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown

fmbi:Nonaccrual


Financing
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-0.0011.027-1.2082.3533.2292.8732.9290.00.470.1580.00.2532.3631.3094.12.1320.0010.1121.0830.170.2390.00.00.061
Percentage of FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0

us-gaap:GainLossOnSaleOfLoansAndLeases

us-gaap:GainLossOnSaleOfLoansAndLeases


Gain
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value6.4679.9776.8614.6012.6293.6652.9361.9811.411.0871.3411.5091.6251.7242.0611.8791.414
Percentage of GainLossOnSaleOfLoansAndLeases100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfNotesReceivable

us-gaap:GainLossOnSaleOfNotesReceivable


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value6.4679.9779.0156.8614.6012.6293.6652.936
Percentage of GainLossOnSaleOfNotesReceivable100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainLossOnSaleOfNotesReceivable us-gaap:AccountsNotesLoansAndFinancingReceivableByReceivableType

fmbi:TotalCorporateLoans


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value0.0050.0450.008-0.0150.0060.1150.2150.158
Percentage of GainLossOnSaleOfNotesReceivable0.10.50.1-0.20.14.45.95.4

us-gaap:ResidentialMortgage


Gain
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value6.4629.9329.0076.8764.5952.5143.452.778
Percentage of GainLossOnSaleOfNotesReceivable99.999.599.9100.299.995.694.194.6

us-gaap:GainLossOnSalesOfAssetsAndAssetImpairmentCharges

us-gaap:GainLossOnSalesOfAssetsAndAssetImpairmentCharges


Gain
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
Value296000.0435000.01028000.0-8820000.0-108000.0-105000.0347000.026000.0-861000.0-391000.0196000.026000.0-5389000.0-60000.0-239000.0-27000.0504000.0-113000.0
Percentage of GainLossOnSalesOfAssetsAndAssetImpairmentCharges100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:GainsLossesOnSalesOfOtherRealEstate

us-gaap:GainsLossesOnSalesOfOtherRealEstate


Gains
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value134000.0-201000.0347000.0-93000.00-128000.0-2731000.01189000.0377000.0792000.029000.0811000.0-53000.0-440000.03403000.0-657000.0-1631000.0-1700000.0903000.0-313000.0-1122000.0-664000.01724000.0-1290000.0
Percentage of GainsLossesOnSalesOfOtherRealEstate100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ImpairmentOfLongLivedAssetsHeldForUse

us-gaap:ImpairmentOfLongLivedAssetsHeldForUse


Impairment
Period End2020-12-312020-09-302012-12-312012-09-302011-12-312011-09-302011-06-30
Value8900000.08900000.01342000.01255000.0075000.0286000.0
Percentage of ImpairmentOfLongLivedAssetsHeldForUse100.0100.0100.0100.00.0100.0100.0

us-gaap:IncreaseDecreaseInDeposits

us-gaap:IncreaseDecreaseInDeposits


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
Value4215982401131558-102.404-189.6492524076933434692-155.17220843104-277.50113419088-290.5258329726-192.684-9.7097850-237.107136265-71.46-76.8481417.188-23.905-131.059107-91.582325-91.872-132.812-21.175
Percentage of IncreaseDecreaseInDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInEquitySecuritiesFvNi

us-gaap:IncreaseDecreaseInEquitySecuritiesFvNi


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-31
Value152021113.856-2.0381.4130.0330.422.498-2.1550.605-0.0720.6580.0
Percentage of IncreaseDecreaseInEquitySecuritiesFvNi100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

us-gaap:IncreaseDecreaseInOtherOperatingAssets

us-gaap:IncreaseDecreaseInOtherOperatingAssets


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value65-67.563-80.951-12.92510114148178.921-27.9482922-15.3817.309-313.0691840.7146.767
Percentage of IncreaseDecreaseInOtherOperatingAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities

us-gaap:IncreaseDecreaseInOtherOperatingLiabilities


Increase
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value-59.18358-110.8326753-40.87131131.719-37.87-2.397-18.04947-31.12-47.299-1.5328-34.934
Percentage of IncreaseDecreaseInOtherOperatingLiabilities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndDividendIncomeOperating

us-gaap:InterestAndDividendIncomeOperating


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
Value15415115915916217017618117716215914914213112912912612396979687848484828176726972727171747575757880818182828281
Percentage of InterestAndDividendIncomeOperating100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestAndDividendIncomeSecurities

us-gaap:InterestAndDividendIncomeSecurities


Interest
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-302012-03-312011-09-302011-06-302011-03-312010-09-302010-06-302010-03-31
Value16151920201918161413111010109.6299.3638.5587.7237.8238.2937.4658.0198.0057.7427.6577.3568.0588.4148.9348.6339.8489.865111313
Percentage of InterestAndDividendIncomeSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseBorrowings

us-gaap:InterestExpenseBorrowings


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
Value3.1123.1074.1586.0213.1565.8414.5795.6394.4593.5514.4693.9273.5133.4792.2632.5442.0992.1941.7161.7821.4991.3161.250.9280.1180.0180.0120.0090.1690.3830.390.390.3850.4420.4970.5070.490.5150.670.7060.6870.680.7110.7970.7491.01
Percentage of InterestExpenseBorrowings100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestExpenseDeposits

us-gaap:InterestExpenseDeposits


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
Value3.1313.4574.2116.83710171921191613108.0326.1794.8774.3693.7293.2092.4762.522.4822.3852.2712.3292.4022.5252.4632.8062.5112.5972.7412.8373.0033.323.7354.1264.6785.5135.9626.6546.9697.6717.9079.0499.62610
Percentage of InterestExpenseDeposits100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss

us-gaap:InterestIncomeExpenseAfterProvisionForLoanLoss


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
Value1441351371261121041381381381281281201151031111091091108280817373737270746060626560595860-44.531444647505251-2.318364849
Percentage of InterestIncomeExpenseAfterProvisionForLoanLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LaborAndRelatedExpense

us-gaap:LaborAndRelatedExpense


Labor
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-30
Value646664636261585754575655545546464441404035343334
Percentage of LaborAndRelatedExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:LeaseCost

us-gaap:LeaseCost


Lease
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
Value4.3334.4974.434.5814.8394.6754.7284.4674.4264.06104.734.9464.997
Percentage of LeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestExpense

us-gaap:NoninterestExpense


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1211181171311201171161081141021109611395102979911692828182867473728470656364646264737061626763656577686765
Percentage of NoninterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestIncome

us-gaap:NoninterestIncome


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value46452740323946423834363536353443443939453735363533313137312727582727322924242624262426302724
Percentage of NoninterestIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:NoninterestIncomeOtherOperatingIncome

us-gaap:NoninterestIncomeOtherOperatingIncome


Noninterest
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value4.6472.0813.552.5232.4953.0653.4192.922.7532.4942.882.1642.1212.471-3.471.8463.4332.104-1.3661.6911.8651.445-2.4561.3721.91.9482.8190.1561.7271.1280.3361.6821.2171.8174.9171.0270.811.6394.878-1.7540.4991.7221.4211.654-0.3420.977
Percentage of NoninterestIncomeOtherOperatingIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OperatingLeaseCost

us-gaap:OperatingLeaseCost


Operating
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
Value4.4414.6114.5194.7394.6564.464.3714.2644.2613.9035.0882.9343.1653.085
Percentage of OperatingLeaseCost100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value24-65.145-10.339-4.142-1.71962-16.80713382631-13.632-8.98-25.1531.5630.4287.3523.298-40.875-6.6959.49318-10.5726.126
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value17-47.172-7.356-3.004-1.33845-12.1259.836271922-10.084-6.445-18.1810.9220.2544.4111.977-24.528-4.0195.69811-6.3543.672
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value17-47.172-7.356-13.32-1.33844-12.1259.836271922-10.084-6.4454.083-1.6324.2411.977-24.722-4.1315.68410-6.843.362-7.3243.4819.04-3.2094.6187.02-4.638-15.7580.091-1.229-2.5592.619-0.9482.3573.1263.9269.0343.366
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesBeforeReclassificationAdjustmentsTax

us-gaap:OtherComprehensiveIncomeLossAvailableForSaleSecuritiesBeforeReclassificationAdjustmentsTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value6.793-17.973-2.983-1.138-0.38117-4.6823.8107.4518.713-3.548-2.535-6.9720.6410.1742.9411.321-16.347-2.6763.7957.546-4.2182.454
Percentage of OtherComprehensiveIncomeLossAvailableForSaleSecuritiesBeforeReclassificationAdjustmentsTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-1.655-1.3032420-5.258-7.2570.844-0.2881.7611.052
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-31
Value-2.287-1.7953328-7.3-10.041.17-0.3992.4411.458
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation

us-gaap:CashFlowHedging, us-gaap:InterestExpense


Other
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-0.09-0.612-0.239-1.276-12.409-1.625-7.816-4.18-1.577-2.86-7.183-0.416
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax3.934.1-0.817.5123.6407.3-320.2-286.70.00.00.00.0

us-gaap:CashFlowHedging, us-gaap:InterestIncome


Other
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
Value0.1510.2030.0965.951222.2185.9443.3532.5783.5776.9960.113
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAndTax-6.6-11.30.3-81.5-219.2-555.9243.5230.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-30
Value-0.632-0.4929.3197.987-2.042-2.7830.326-0.111
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax


Other
Period End2020-12-312020-09-30
Value1210
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax


Other
Period End2020-12-312020-09-30
Value1714
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax100.0100.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax us-gaap:DerivativeInstrumentRisk

fmbi:LongerTermPayFixesInterestRateSwaps


Other
Period End2020-09-30
Value-14.3
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax-100.1

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship, us-gaap:IncomeStatementLocation

us-gaap:CashFlowHedging, us-gaap:InterestExpense


Other
Period End2020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-30
Value-16.350.00.0-1.018-1.924-2.024-0.978-0.503-0.606-0.919
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax-114.50.00.00.00.00.00.00.00.00.0

us-gaap:CashFlowHedging, us-gaap:InterestIncome


Other
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
Value2.2262.2042.1652.6240.4450.8241.3551.3930.8570.3760.2710.946
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax0.00.015.20.00.00.00.00.00.00.00.00.0

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax

us-gaap:OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax


Other
Period End2020-12-312020-09-30
Value4919000.04000000.0
Percentage of OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value16-48.4750.63-2.978-6.59637-8.6929.548292022-10.733-6.869-17.8065.0-1.4693.6970.646-27.508-4.5996.23813-12.5715.414
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent us-gaap:StatementEquityComponents

us-gaap:AccumulatedOtherComprehensiveIncome


Other
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-30
Value16-48.475-2.978-6.596379.5482920-10.733-6.869
Percentage of OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-30
Value0.0140.01.0050.00.00.00.00.0-5.3573.1970.2840.00.3230.1870.0230.8870.8220.5240.5150.512-0.0632.574.5171.0730.147330.2160.00.088-0.217
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax0.0100.00.0100.00.00.00.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value0.0100.00.7230.00.00.00.00.0-3.1611.8860.170.00.1940.1120.0140.5320.4860.310.3040.303-0.0371.5192.670.6340.08719-0.1280.00.052-0.128-0.089
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax0.0100.00.0100.00.00.00.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax

us-gaap:OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax


Other
Period End2020-12-312020-09-302020-06-302020-03-312019-06-302019-03-312018-12-312018-09-302018-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-30
Value0.04.0120.00.2820.00.00.00.00.0-2.1961.3110.1140.00.1290.0750.0090.3550.3360.2140.2110.209-0.0261.0511.8470.4390.0613-0.0880.00.036-0.089-0.062
Percentage of OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax0.0100.00.0100.00.00.00.00.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0

us-gaap:OtherInterestAndDividendIncome

us-gaap:OtherInterestAndDividendIncome


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1679000.01669000.02272000.01775000.0839000.02203000.02104000.02533000.01997000.01680000.01185000.01365000.01341000.0903000.01353000.01148000.01169000.0850000.0905000.0772000.0661000.0535000.0999000.01047000.0913000.0779000.0957000.0684000.0745000.0745000.0852000.0831000.0834000.0809000.01111000.0631000.0638000.0641000.0
Percentage of OtherInterestAndDividendIncome100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:OtherNoninterestExpense

us-gaap:OtherNoninterestExpense


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value1716-17.708151715-14.499141612-11.847141311-15.245151615-16.24131412-15.192121211-15.364141110-8.7899.366108.856-6.264148.5398.162-6.77610109.099-4.9149.333108.079
Percentage of OtherNoninterestExpense100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsForHedgeFinancingActivities

us-gaap:PaymentsForHedgeFinancingActivities


Payments
Period End2020-12-31
Value17
Percentage of PaymentsForHedgeFinancingActivities100.0

us-gaap:PaymentsForProceedsFromFederalHomeLoanBankStock

us-gaap:PaymentsForProceedsFromFederalHomeLoanBankStock


Payments
Period End2021-06-302021-03-312020-06-302020-03-312019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302011-12-312011-09-302010-12-312010-09-30
Value0.72-11.25-5.845385.488-7.984.952.27100.03.37520-16.0725.6259.03.590.0610.00.00.01.190.00.00.4270.00.00.00.0-0.4810.00.0-0.6990.0
Percentage of PaymentsForProceedsFromFederalHomeLoanBankStock100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.00.00.00.0100.00.00.0100.00.00.00.00.0100.00.00.0100.00.0

us-gaap:PaymentsForRepurchaseOfOtherEquity

us-gaap:PaymentsForRepurchaseOfOtherEquity


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
Value-938000.03897000.0-27000.0-72000.0-31000.03166000.0-3000.063000.0-5000.03775000.0180000.0194000.049000.03998000.061000.0-113000.0174000.03830000.0158000.070000.0135000.02113000.037000.087000.066000.02700000.042000.040000.046000.02653000.019000.0024000.01564000.055000.022000.0664000.0728000.02373000.0-17000.0-1265000.0165000.0753000.0652000.0-1673000.0669000.0
Percentage of PaymentsForRepurchaseOfOtherEquity100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt

us-gaap:PaymentsToAcquireAvailableForSaleSecuritiesDebt


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-31
Value17150010158432758621324332813147133198263
Percentage of PaymentsToAcquireAvailableForSaleSecuritiesDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired

us-gaap:PaymentsToAcquireBusinessesNetOfCashAcquired


Payments
Period End2020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-31
Value0.00.0-142.282-27.0640.02.043110.00.00.0
Percentage of PaymentsToAcquireBusinessesNetOfCashAcquired0.00.0100.0100.00.0100.0100.00.00.00.0

us-gaap:PaymentsToAcquireFederalHomeLoanBankStock

us-gaap:PaymentsToAcquireFederalHomeLoanBankStock


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-20.7-10.392-5.845382.5643.379225.488-7.984.95
Percentage of PaymentsToAcquireFederalHomeLoanBankStock100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireHeldToMaturitySecurities

us-gaap:PaymentsToAcquireHeldToMaturitySecurities


Payments
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value0.048100.0020.0160.0180.00.0092.8280.00.00.00.00.0050.00.010.05.3360.00.0080.0080.0580.00.1581.0260.640.9680.1770.853140.7551.3530.52815227.0343.911310.011272.4144.279251615
Percentage of PaymentsToAcquireHeldToMaturitySecurities100.0100.0100.0100.0100.00.0100.0100.00.00.00.00.0100.00.0100.00.0100.00.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToAcquireLoansReceivable

us-gaap:PaymentsToAcquireLoansReceivable


Payments
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-30
Value-127.554439-281.689987373261263131169
Percentage of PaymentsToAcquireLoansReceivable100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:PaymentsToPurchaseMortgageLoansHeldForSale

us-gaap:PaymentsToPurchaseMortgageLoansHeldForSale


Payments
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value192276241295192104163171101624861644970726743
Percentage of PaymentsToPurchaseMortgageLoansHeldForSale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromIssuanceOfPreferredStockAndPreferenceStock

us-gaap:ProceedsFromIssuanceOfPreferredStockAndPreferenceStock


Proceeds
Period End2020-09-302020-06-30
Value-0.265221
Percentage of ProceedsFromIssuanceOfPreferredStockAndPreferenceStock100.0100.0

us-gaap:ProceedsFromLifeInsurancePolicies

us-gaap:ProceedsFromLifeInsurancePolicies


Proceeds
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value2749000.01296000.0925000.0994000.02003000.04056000.01460000.0600000.02660000.0-7000.0-7000.0829000.076000.0239000.002582000.0-1000.07000.01718000.00151000.09000.0
Percentage of ProceedsFromLifeInsurancePolicies100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.00.0100.0100.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities


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
Value2303312694882682292251388977977983709892788097881066810568905846423447415261637298110816966607588555855
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities

us-gaap:ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities


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
Value0.1180.36107.4670.1992.2680.5870.7113.00.1622.4970.3690.3580.360.8832.7150.3994.5493.3820.3350.3873.9730.6290.5691.7271.720.8610.6631.2271.924-0.0411.2812.4233.3814412.428.05451.778322.5168.646281914
Percentage of ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromOtherDebt

us-gaap:ProceedsFromOtherDebt


Proceeds
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value-250.677-348.015-343.0159775.26824643167-185.68592
Percentage of ProceedsFromOtherDebt100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt

us-gaap:ProceedsFromSaleOfAvailableForSaleSecuritiesDebt


Proceeds
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-30
Value0.02420.0390.00.0930.0240.0
Percentage of ProceedsFromSaleOfAvailableForSaleSecuritiesDebt0.0100.00.0100.00.00.0100.00.0100.00.0

us-gaap:ProceedsFromSaleOfForeclosedAssets

us-gaap:ProceedsFromSaleOfForeclosedAssets


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
Value1.1181.7790.5533.4790.00.231.2154.1942.4412.7954.0024.3134.7623.8761.8668.9843.1125.3641.472.2172.2121.644.7523.2367.8762.7088.0755.1333.2955.8655.0829.8087.4143.4938.1874.3962017105.636138.239169.3071316
Percentage of ProceedsFromSaleOfForeclosedAssets100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale

us-gaap:ProceedsFromSaleOfMortgageLoansHeldForSale


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-31
Value21429328425817311917614395585262656568736055
Percentage of ProceedsFromSaleOfMortgageLoansHeldForSale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment

us-gaap:ProceedsFromSaleOfPropertyPlantAndEquipment


Proceeds
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302011-12-312011-09-302010-12-312010-09-30
Value1.760.9970.5841.1320.00.01.6070.2471.7340.5574.0120.3990.0040.1464.8966.0796.6520.4042.1161472.5380.6751.0350.00.00.1950.0133.7350.140.0180.0380.00.01.4256.7650.00.0070.0090.3240.023
Percentage of ProceedsFromSaleOfPropertyPlantAndEquipment100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0100.0100.0100.0100.0100.0100.00.00.0100.0100.00.0100.0100.0100.0100.0

us-gaap:ProfessionalFees

us-gaap:ProfessionalFees


Professional
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
Value7.5688.0598.4247.3258.8810129.55107.7888.8597.9448.2987.587.6168.4989.1128.4637.1386.7725.2925.926.1176.1725.3225.1094.4327.0986.5175.3895.5925.5175.5955.218106.6656.9055.6298.0267.5715.645.1194.5246.1875.6526.54
Percentage of ProfessionalFees100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanAndLeaseLosses

us-gaap:ProvisionForLoanAndLeaseLosses


Provision
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
Value0.06.098101532399.5941211109.8111111158.024108.2394.9185.3079.9988.0857.5934.54.16.06.5521.659105.3411.4410.04.775.8135.6745.59311122182120181973332118
Percentage of ProvisionForLoanAndLeaseLosses0.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLeaseAndOtherLosses

us-gaap:ProvisionForLoanLeaseAndOtherLosses


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value0.66.098101632399.594121110101111158.024108.2394.9185.3079.5988.267.59336-3.509-6.0-6.55236-10.727-5.341-1.44129-4.29-5.8135.174310-111.791-22.45818
Percentage of ProvisionForLoanLeaseAndOtherLosses100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ProvisionForLoanLeaseAndOtherLosses us-gaap:FinancingReceivablePortfolioSegment

fmbi:CommercialIndustrialAndAgricultural


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value5.3317.947-0.468.67414244.2495.0026.9376.5597.9476.77610159.296137.0423.4851.5933.5793.7982.0583.483.247
Percentage of ProvisionForLoanLeaseAndOtherLosses888.5130.3-4.353.845.161.744.340.060.462.879.460.292.6102.4115.9138.485.570.930.037.346.027.19.5-92.5

us-gaap:ProvisionForLoanLeaseAndOtherLosses us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialRealEstatePortfolioSegment, fmbi:OfficeRetailAndIndustrial


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-0.7822.9511.0411.6361.6714.9160.4950.0651.270.3970.1320.015-1.266-0.025-0.772-5.129-2.701-0.7423.8463.0190.1981.7171.5280.967
Percentage of ProvisionForLoanLeaseAndOtherLosses-130.348.49.710.15.112.45.20.511.13.81.30.1-10.9-0.2-9.6-50.7-32.8-15.172.531.52.422.64.2-27.6

us-gaap:CommercialRealEstatePortfolioSegment, srt:Multifamily


Provision
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
Value-0.109-2.144-0.0110.4281.6310.347-0.2510.565-0.0570.0910.0870.2-0.4130.058-0.094-0.2960.053
Percentage of ProvisionForLoanLeaseAndOtherLosses-18.2-35.2-0.12.75.00.9-2.64.5-0.50.90.91.8-3.60.4-1.2-2.90.6

us-gaap:CommercialRealEstatePortfolioSegment, us-gaap:ConstructionLoans


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-0.783-0.7590.0820.0991.0231.108-0.066-0.098-0.279-0.042-0.170.1160.144-1.522-0.8110.1610.0110.4440.2680.916-0.2061.1040.1-0.559
Percentage of ProvisionForLoanLeaseAndOtherLosses-130.5-12.40.80.63.12.8-0.7-0.8-2.4-0.4-1.71.01.2-10.0-10.11.60.19.05.09.5-2.514.50.315.9

us-gaap:CommercialRealEstatePortfolioSegment, us-gaap:RealEstateLoan


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-0.688-2.7331.5943.5223.3270.8830.1931.1880.3510.185-1.2310.74-1.018-1.06-0.865-0.2570.785-0.51-0.9281.4881.7141.7730.104-0.181
Percentage of ProvisionForLoanLeaseAndOtherLosses-114.7-44.814.921.810.22.22.09.53.11.8-12.36.6-8.8-7.0-10.8-2.59.5-10.4-17.515.520.823.40.35.2

us-gaap:ConsumerPortfolioSegment, us-gaap:ConsumerPortfolioSegment


Provision
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-30
Value-2.9690.8368.2611.568107.8894.9745.7763.2693.2543.0463.4013.4152.1891.271.6363.0492.671.5360.052.1120.6841.9411.144
Percentage of ProvisionForLoanLeaseAndOtherLosses-494.813.777.29.731.520.051.846.228.431.230.430.229.414.415.816.237.054.328.90.525.69.05.3-32.6

us-gaap:ProvisionForLoanLeaseAndOtherLosses us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:ReserveforUnfundedCommitments


Provision
Period End2021-06-302020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value0.60.20.20.00.00.00.00.00.00.20.00.00.00.00.00.00.00.0-0.40.1750.0-1.1820.5910.00.00.20.00.00.00.480.00.50.00.0
Percentage of ProvisionForLoanLeaseAndOtherLosses100.01.91.20.00.00.00.00.00.02.00.00.00.00.00.00.00.00.0-4.22.10.0-3.2-16.8-0.0-0.00.5-0.0-0.0-0.0-11.2-0.09.7-0.0-0.0

us-gaap:ServicingAssetAtFairValueAdditions

us-gaap:ServicingAssetAtFairValueAdditions


Servicing
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
Value530000.01037000.0966000.0727000.0745000.0156000.0367000.0404000.0204000.0253000.0187000.0324000.0393000.0176000.0151000.0161000.0205000.0156000.0335000.0581000.0162000.0185000.039000.060000.098000.0145000.0
Percentage of ServicingAssetAtFairValueAdditions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions

us-gaap:ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions


Servicing
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-300000.0766000.0-178000.0-432000.0-750000.0-908000.0-286000.0-284000.0-389000.0-600000.0-152000.065000.02000.0560000.0168000.0-121000.0-260000.0172000.0987000.0-205000.0-132000.0-40000.040000.0-12000.012000.0-51000.0
Percentage of ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:ServicingAssetAtFairValueOtherChangesInFairValue

us-gaap:ServicingAssetAtFairValueOtherChangesInFairValue


Servicing
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-322000.0-341000.0-347000.0-301000.0-405000.0-232000.095000.0-269000.0-212000.0-155000.0-122000.0-243000.0-192000.0-162000.0-191000.0-199000.0-265000.0-203000.0-278000.0-238000.0-114000.0-68000.0-24000.0-70000.0-63000.0-49000.0
Percentage of ServicingAssetAtFairValueOtherChangesInFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockAndWarrantsIssuedDuringPeriodValuePreferredStockAndWarrants

us-gaap:StockAndWarrantsIssuedDuringPeriodValuePreferredStockAndWarrants


Stock
Period End2020-12-312020-09-302020-06-30
Value0.14-0.265221
Percentage of StockAndWarrantsIssuedDuringPeriodValuePreferredStockAndWarrants100.0100.0100.0

us-gaap:StockAndWarrantsIssuedDuringPeriodValuePreferredStockAndWarrants us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-12-312020-09-302020-06-30
Value0.14-0.265-9.188
Percentage of StockAndWarrantsIssuedDuringPeriodValuePreferredStockAndWarrants100.0100.0-4.2

us-gaap:PreferredStock


Stock
Period End2020-12-312020-09-302020-06-30
Value0.00.0230
Percentage of StockAndWarrantsIssuedDuringPeriodValuePreferredStockAndWarrants0.0-0.0104.2

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensation

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensation


Stock
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-16000.053000.0-73000.0-90000.0-89000.0-79000.0-74000.0-97000.0-37000.0-83000.0-19000.0-21000.030000.0-72000.0501000.0-46000.0-87000.0-78000.0-48000.0-35000.0-38000.0-33000.032000.064000.078000.027000.030000.081000.0188000.070000.012000.021000.0-16000.012000.0-79000.010000.024000.05000.0-74000.0-6000.03000.0-11000.0468000.0-8000.003000.0
Percentage of StockGrantedDuringPeriodValueSharebasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:StockGrantedDuringPeriodValueSharebasedCompensation us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302016-12-312016-09-302015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value-2000.023000.0-29000.0-33000.0-22000.01000.0-2000.0-3000.0-5000.0-4000.027000.07000.012000.022000.02000.02000.00-13000.0-20000.0-48000.0-39000.0-25000.0-5000.0-9000.0-80000.0-43000.0-22000.0-146000.039000.015000.0151000.0-17000.0-36000.0-15000.0175000.0-19000.0-40000.0-10000.0-324000.0-10000.0-13000.0-46000.0
Percentage of StockGrantedDuringPeriodValueSharebasedCompensation12.543.439.736.724.7-1.32.73.113.54.8-142.1-33.340.0-30.60.4-4.3-0.037.1-62.5-75.0-50.0-92.6-16.7-11.1-42.6-61.4-183.3-695.2-243.8125.0-191.1-170.0-150.0-300.0-236.5316.7-1333.390.9-69.2125.00.0-1533.3

us-gaap:TreasuryStock


Stock
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-14000.030000.0-44000.0-57000.0-67000.0-80000.0-72000.0-94000.0-32000.0-79000.0-46000.0-28000.018000.0-94000.0505000.0-48000.0-86000.0-78000.0-48000.0-22000.0-30000.0-33000.052000.0112000.0117000.052000.035000.090000.0268000.0113000.034000.0167000.0-55000.0-3000.0-230000.027000.060000.020000.0-249000.013000.043000.0-1000.0792000.02000.013000.049000.0
Percentage of StockGrantedDuringPeriodValueSharebasedCompensation87.556.660.363.375.3101.397.396.986.595.2242.1133.360.0130.6100.8104.398.9100.0100.062.978.9100.0162.5175.0150.0192.6116.7111.1142.6161.4283.3795.2343.8-25.0291.1270.0250.0400.0336.5-216.71433.39.1169.2-25.00.01633.3

us-gaap:StockIssuedDuringPeriodSharesAcquisitions us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesAcquisitions

us-gaap:CommonStock


Stock
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.00.00.04.930.00.04.7290.150.00.00.0210.00.00.03.042
Percentage of StockIssuedDuringPeriodSharesAcquisitions0.00.00.0100.00.00.0100.0100.00.00.00.0100.00.00.00.0100.0

us-gaap:StockIssuedDuringPeriodSharesOther us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesOther

us-gaap:CommonStock


Stock
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value65000.06000.06000.06000.037000.04000.04000.03000.027000.031000.03000.04000.01000.02000.02000.03000.02000.03000.03000.03000.04000.0
Percentage of StockIssuedDuringPeriodSharesOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures

us-gaap:CommonStock


Stock
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-312010-12-312010-09-302010-06-302010-03-31
Value548000.03000.018000.064000.0449000.01000.027000.01000.0352000.0-24000.0-4000.0-38000.0377000.0-4000.0-19000.0-15000.0355000.0010000.013000.0303000.012000.0-13000.04000.0264000.0-39000.021000.0-1000.0195000.0-2000.0235780.0-32.0256.010.0-31.0-35.0464.0-60.014.0-448620.0449000.09.010.0-435560.0436000.0
Percentage of StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation us-gaap:StatementEquityComponents

us-gaap:StockIssuedDuringPeriodSharesShareBasedCompensation

us-gaap:CommonStock


Stock
Period End2021-03-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-31
Value-2000.011000.07000.0-4000.025000.0-5000.0-2000.04000.01000.001000.03000.03000.02000.04000.03000.02000.01000.02000.03000.02000.0-1000.002000.0
Percentage of StockIssuedDuringPeriodSharesShareBasedCompensation100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0

us-gaap:StockIssuedDuringPeriodValueAcquisitions

us-gaap:StockIssuedDuringPeriodValueAcquisitions


Stock
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.00.00.0710.00.0983.284830.00.00.00.00.00.05340.00.00.054
Percentage of StockIssuedDuringPeriodValueAcquisitions0.00.00.0100.00.00.0100.0100.0100.00.00.00.00.00.00.0100.00.00.00.0100.0

us-gaap:StockIssuedDuringPeriodValueAcquisitions us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.00.00.071-0.0010.098-0.8140.00.00.05330.00.00.054
Percentage of StockIssuedDuringPeriodValueAcquisitions0.00.00.099.90.00.0100.0-24.80.00.00.099.90.00.00.099.9

us-gaap:CommonStock


Stock
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-31
Value0.00.00.00.0490.00.00.0470.00.00.00.210.00.00.00.031
Percentage of StockIssuedDuringPeriodValueAcquisitions0.00.00.00.10.00.00.00.00.00.00.00.00.00.00.1

us-gaap:StockIssuedDuringPeriodValueOther

us-gaap:StockIssuedDuringPeriodValueOther


Stock
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
Value83000.01016000.074000.077000.079000.0851000.075000.082000.068000.0537000.066000.066000.068000.0761000.065000.065000.057000.053000.058000.057000.053000.059000.0
Percentage of StockIssuedDuringPeriodValueOther100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueOther us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
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
Value83000.0-27000.074000.076000.079000.0172000.076000.081000.068000.0-137000.066000.066000.067000.094000.065000.065000.057000.053000.058000.057000.053000.059000.0
Percentage of StockIssuedDuringPeriodValueOther100.0-2.7100.098.7100.020.2101.398.8100.0-25.5100.0100.098.512.4100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:CommonStock


Stock
Period End2020-12-312020-09-302018-12-312018-09-302018-06-30
Value01000.0001000.0
Percentage of StockIssuedDuringPeriodValueOther0.01.30.00.01.5

us-gaap:TreasuryStock


Stock
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
Value01043000.0000679000.0-1000.01000.00674000.0000667000.0
Percentage of StockIssuedDuringPeriodValueOther0.0102.70.00.00.079.8-1.31.20.0125.50.00.00.087.6

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures


Stock
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-0.105-3.8970.0270.0720.031-3.1660.003-0.0630.005-3.775-0.18-0.194-0.049-3.9980.020.161-0.088-3.752-0.125-0.0480.046-2.5466.812-7.6520.017-2.473-0.08-0.0190.099-1.975-0.002-3.0580.091.4322.5960.099-0.451-0.9243.14-0.82-0.724-0.208-0.0230.158-0.099-0.276
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures us-gaap:StatementEquityComponents

us-gaap:AdditionalPaidInCapital


Stock
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
Value0.347-14.881-0.05-0.131-0.912-12.2680.006-0.599-0.007-13.313-0.316-0.1090.872-13.430.1320.6010.272-12.86-0.075-0.291-0.037-10.282-0.128-0.4450.121-9.7841.273-0.3320.216-9.7170.101-19.563-0.91910301.168-0.647-15.77731-0.9950.783-16.76-0.29-0.188-0.198-15.188
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures-330.5381.9-185.2-181.9-2941.9387.5200.0950.8-140.0352.7175.656.2-1779.6335.9660.0373.3-309.1342.860.0606.2-80.4403.8-1.95.8711.8395.6-1591.21747.4218.2492.0-5050.0639.7-1021.1737.91188.81179.8143.51707.51014.9121.3-108.18057.71260.9-119.0200.05502.9

us-gaap:TreasuryStock


Stock
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-0.452100.0770.2030.9439.102-0.0030.5360.0129.5380.136-0.085-0.9219.432-0.112-0.44-0.369.108-0.050.2430.0837.7366.94-7.207-0.1047.311-1.3530.313-0.1177.742-0.103161.009-9.135-28.264-1.0690.19614-28.7270.175-1.507160.2670.3460.09914
Percentage of StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures430.5-281.9285.2281.93041.9-287.5-100.0-850.8240.0-252.7-75.643.81879.6-235.9-560.0-273.3409.1-242.840.0-506.2180.4-303.8101.994.2-611.8-295.61691.2-1647.4-118.2-392.05150.0-539.71121.1-637.9-1088.8-1079.8-43.5-1607.5-914.9-21.3208.1-7957.7-1160.9219.0-100.0-5402.9

us-gaap:StockRepurchasedDuringPeriodShares

us-gaap:StockRepurchasedDuringPeriodShares


Stock
Period End2021-06-302021-03-312020-12-312019-09-30
Value0715000.00645000.0
Percentage of StockRepurchasedDuringPeriodShares0.0100.00.0100.0

us-gaap:StockRepurchasedDuringPeriodValue

us-gaap:StockRepurchasedDuringPeriodValue


Stock
Period End2021-06-302021-03-312020-12-312019-09-30
Value0.0140.012
Percentage of StockRepurchasedDuringPeriodValue0.0100.00.0100.0

us-gaap:SubleaseIncome

us-gaap:SubleaseIncome


Sublease
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-30
Value108000.0114000.0158000.0183000.0215000.0203000.0
Percentage of SubleaseIncome100.0100.0100.0100.0100.0100.0

us-gaap:TransferOfLoansHeldForSaleToPortfolioLoans1

us-gaap:TransferOfLoansHeldForSaleToPortfolioLoans1


Transfer
Period End2020-09-302020-06-302020-03-312013-12-312012-12-312012-09-30
Value-1950000.0-962000.03155000.00457000.00
Percentage of TransferOfLoansHeldForSaleToPortfolioLoans1100.0100.0100.00.0100.00.0

us-gaap:TransferOfPortfolioLoansAndLeasesToHeldForSale1

us-gaap:TransferOfPortfolioLoansAndLeasesToHeldForSale1


Transfer
Period End2021-06-302021-03-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302013-12-312013-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302011-03-31
Value-0.28614-0.9623.1550.0284.6822.1322.632.6872.8278.6410.9056.02911181316133825130.12104.21.0895.3020.650.01.422900.01.52.3054.621.5953.8
Percentage of TransferOfPortfolioLoansAndLeasesToHeldForSale1100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.00.0100.0100.0100.0100.0100.0

us-gaap:TransferToOtherRealEstate

us-gaap:TransferToOtherRealEstate


Transfer
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-31
Value1.8090.00.00.1210.4250.1970.3220.02.0012.8540.2350.9372.4851.7881.2990.6830.2790.2192.7330.9421.5487.2993.6191.0384.8023.9386.7772.5622.7763.6875.5365.96614128.53312
Percentage of TransferToOtherRealEstate100.00.00.0100.0100.0100.0100.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:TreasuryStockSharesAcquired us-gaap:StatementEquityComponents

us-gaap:TreasuryStockSharesAcquired

us-gaap:CommonStock


Treasury
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-30
Value715000.0-2342000.0001171000.0-3374000.0645000.01042000.0
Percentage of TreasuryStockSharesAcquired100.0100.00.00.0100.0100.0100.0100.0

us-gaap:TreasuryStockValueAcquiredCostMethod

us-gaap:TreasuryStockValueAcquiredCostMethod


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302015-12-31
Value0.0140.00.00.0220.012210.0
Percentage of TreasuryStockValueAcquiredCostMethod0.0100.00.00.00.0100.00.0100.0100.00.0

us-gaap:TreasuryStockValueAcquiredCostMethod us-gaap:StatementEquityComponents

us-gaap:TreasuryStock


Treasury
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302015-12-31
Value0.0140.00.00.0220.012210.0
Percentage of TreasuryStockValueAcquiredCostMethod0.0100.00.00.00.0100.00.0100.0100.00.0

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment

us-gaap:WeightedAverageNumberDilutedSharesOutstandingAdjustment


Weighted
Period End2021-06-302021-03-312020-09-302020-06-302020-03-312019-09-302019-06-302019-03-312018-09-302018-06-302018-03-312017-09-302017-06-302017-03-312016-09-302016-06-302016-03-312015-09-302015-06-302015-03-312014-09-302014-06-302014-03-312013-09-302013-06-302013-03-312012-09-302012-06-30
Value775000.0773000.0276000.0191000.0443000.0381000.0000016000.020000.020000.021000.013000.013000.012000.013000.012000.012000.011000.011000.012000.011000.07000.07000.000
Percentage of WeightedAverageNumberDilutedSharesOutstandingAdjustment100.0100.0100.0100.0100.0100.00.00.00.00.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.00.0

dei:EntityCommonStockSharesOutstanding

dei:EntityCommonStockSharesOutstanding


Entity
Period End2020-08-032020-05-05
Value114114
Percentage of EntityCommonStockSharesOutstanding100.0100.0

fmbi:ActuarialLossesAsAPercentageOfAccumulatedBenefitObligation

fmbi:ActuarialLossesAsAPercentageOfAccumulatedBenefitObligation


Actuarial
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value40.60.3660.5040.3750.4130.3940.2960.1760.4550.3920.296
Percentage of ActuarialLossesAsAPercentageOfAccumulatedBenefitObligation100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:ActuarialLossesAsAPercentageOfFairValueOfPlanAssets

fmbi:ActuarialLossesAsAPercentageOfFairValueOfPlanAssets


Actuarial
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value33.50.2790.3850.3850.4370.4080.2760.1450.4470.3470.238
Percentage of ActuarialLossesAsAPercentageOfFairValueOfPlanAssets100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCombinedAssets us-gaap:BusinessAcquisition

fmbi:BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCombinedAssets

fmbi:OldNationalBancorp


Business
Period End2021-06-01
Value45000
Percentage of BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCombinedAssets100.0

fmbi:CommercialAndIndustrialAndAgriculturalCommitments us-gaap:OtherCommitments

fmbi:CommercialAndIndustrialAndAgriculturalCommitments

us-gaap:CommitmentsToExtendCredit


Commercial
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value232022762318229622762011185217481699168617291710165617121729173917501737152214621303
Percentage of CommercialAndIndustrialAndAgriculturalCommitments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:CommercialRealEstateCommitments us-gaap:OtherCommitments

fmbi:CommercialRealEstateCommitments

us-gaap:CommitmentsToExtendCredit


Commercial
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value449377378334324325296327283302296327349356377322347427397439366
Percentage of CommercialRealEstateCommitments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:DebtSecuritiesHeldToMaturityFairValueNetOfAllowanceForCreditLosses

fmbi:DebtSecuritiesHeldToMaturityFairValueNetOfAllowanceForCreditLosses


Debt
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value1011112221
Percentage of DebtSecuritiesHeldToMaturityFairValueNetOfAllowanceForCreditLosses100.0100.0100.0100.0100.0

fmbi:DebtSecuritiesHeldToMaturityNetOfAllowanceForCreditLosses

fmbi:DebtSecuritiesHeldToMaturityNetOfAllowanceForCreditLosses


Debt
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-31
Value11111222191921
Percentage of DebtSecuritiesHeldToMaturityNetOfAllowanceForCreditLosses100.0100.0100.0100.0100.0100.0100.0

fmbi:DeferredTaxAssetsLeaseLiability

fmbi:DeferredTaxAssetsLeaseLiability


Deferred
Period End2020-12-312019-12-31
Value3233
Percentage of DeferredTaxAssetsLeaseLiability100.0100.0

fmbi:DeferredTaxAssetsOtherRealEstateOwned

fmbi:DeferredTaxAssetsOtherRealEstateOwned


Deferred
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value1053000.01996000.01460000.02089000.04336000.02597000.03480000.06541000.04949000.05376000.08490000.0
Percentage of DeferredTaxAssetsOtherRealEstateOwned100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:DeferredTaxLiabilitiesAcquisitionAdjustments

fmbi:DeferredTaxLiabilitiesAcquisitionAdjustments


Deferred
Period End2020-12-312019-12-312018-12-312017-12-31
Value111.2610.686-2.489
Percentage of DeferredTaxLiabilitiesAcquisitionAdjustments100.0100.0100.0100.0

fmbi:DeferredTaxLiabilityRightOfUseAsset

fmbi:DeferredTaxLiabilityRightOfUseAsset


Deferred
Period End2020-12-312019-12-31
Value2629
Percentage of DeferredTaxLiabilityRightOfUseAsset100.0100.0

fmbi:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearsSixtoTen

fmbi:DefinedBenefitPlanExpectedFutureBenefitPaymentsYearsSixtoTen


Defined
Period End2020-12-31
Value21
Percentage of DefinedBenefitPlanExpectedFutureBenefitPaymentsYearsSixtoTen100.0

fmbi:DerivativeNotionalAmountCashFlowHedgeForwardStartingInterestRateSwap

fmbi:DerivativeNotionalAmountCashFlowHedgeForwardStartingInterestRateSwap


Derivative
Period End2021-06-302021-03-312020-06-302020-04-202020-03-312019-09-302019-09-032019-06-302019-03-312018-12-312018-09-302018-06-302018-05-312018-03-312017-09-302017-06-302017-03-312017-02-282016-06-30
Value252516001100140011005101000110074010001000710980980980980415415
Percentage of DerivativeNotionalAmountCashFlowHedgeForwardStartingInterestRateSwap100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:DerivativeNotionalAmountCashFlowHedgeForwardStartingInterestRateSwap us-gaap:DerivativeInstrumentRisk

fmbi:InterestRateSwapMaturingBetweenMarch2022AndAugust2024


Derivative
Period End2020-09-30
Value225
Percentage of DerivativeNotionalAmountCashFlowHedgeForwardStartingInterestRateSwap0.0

us-gaap:InterestRateSwap


Derivative
Period End2020-09-30
Value510
Percentage of DerivativeNotionalAmountCashFlowHedgeForwardStartingInterestRateSwap0.0

fmbi:DerivativeNotionalAmountCashFlowHedgeForwardStartingInterestRateSwap us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:CashFlowHedging


Derivative
Period End2020-12-312019-12-312019-12-022018-12-312017-12-31
Value2511005601100980
Percentage of DerivativeNotionalAmountCashFlowHedgeForwardStartingInterestRateSwap0.00.00.0148.60.0

fmbi:DerivativeNotionalAmountCashFlowHedgeReceiveFixedPayVariableInterestRateSwap us-gaap:DerivativeInstrumentRisk

fmbi:DerivativeNotionalAmountCashFlowHedgeReceiveFixedPayVariableInterestRateSwap

us-gaap:InterestRateSwap


Derivative
Period End2020-09-30
Value430
Percentage of DerivativeNotionalAmountCashFlowHedgeReceiveFixedPayVariableInterestRateSwap100.0

fmbi:DerivativeWeightedAverageInterestRatePaid us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

fmbi:DerivativeWeightedAverageInterestRatePaid

us-gaap:CashFlowHedging


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value0.110.140.150.610.00770.0130.01740.01970.02220.02260.0220.02030.01970.01850.01610.01510.0140.01230.01110.01040.01010.0090.00750.00720.00180.00170.00160.00160.00150
Percentage of DerivativeWeightedAverageInterestRatePaid100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

fmbi:DerivativeWeightedAverageInterestRateReceived us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

fmbi:DerivativeWeightedAverageInterestRateReceived

us-gaap:CashFlowHedging


Derivative
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302013-12-31
Value2.182.182.181.510.00960.01730.01880.02020.02130.02150.02120.02010.02010.01780.01580.01550.01510.01420.01370.01320.01280.01310.01240.01230.01560.01570.01630.01630.01550
Percentage of DerivativeWeightedAverageInterestRateReceived100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0

fmbi:DerivativeWeightedAverageInterestRateToBePaid

fmbi:DerivativeWeightedAverageInterestRateToBePaid


Derivative
Period End2021-06-302021-03-312020-09-30
Value0.60.62.05
Percentage of DerivativeWeightedAverageInterestRateToBePaid100.0100.0100.0

fmbi:DerivativeWeightedAverageInterestRateToBePaid us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:CashFlowHedging


Derivative
Period End2020-12-31
Value0.6
Percentage of DerivativeWeightedAverageInterestRateToBePaid0.0

fmbi:FairValueSharesHeldByProfitSharingPlan us-gaap:NatureOfExpense

fmbi:FairValueSharesHeldByProfitSharingPlan

fmbi:ProfitSharingExpense


Fair
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-31
Value17182025292323
Percentage of FairValueSharesHeldByProfitSharingPlan100.0100.0100.0100.0100.0100.0100.0

fmbi:FinancingReceivableAccrualOfInterest

fmbi:FinancingReceivableAccrualOfInterest


Financing
Period End2021-06-302021-03-312020-12-312020-09-302019-12-31
Value5157565648
Percentage of FinancingReceivableAccrualOfInterest100.0100.0100.0100.0100.0

fmbi:FinancingReceivableAllowanceCoveredAndNotCovered

fmbi:FinancingReceivableAllowanceCoveredAndNotCovered


Financing
Period End2021-03-312020-12-312020-09-302019-12-31
Value235239239108
Percentage of FinancingReceivableAllowanceCoveredAndNotCovered100.0100.0100.0100.0

fmbi:FinancingReceivableAllowanceCoveredAndNotCoveredExcludingAccruedInterest

fmbi:FinancingReceivableAllowanceCoveredAndNotCoveredExcludingAccruedInterest


Financing
Period End2021-06-302020-12-31
Value214239
Percentage of FinancingReceivableAllowanceCoveredAndNotCoveredExcludingAccruedInterest100.0100.0

fmbi:FinancingReceivableBeforeAllowanceForCreditLossNetLoanChargeOffs us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:FinancingReceivableBeforeAllowanceForCreditLossNetLoanChargeOffs

us-gaap:ConsumerPortfolioSegment, fmbi:A14FamilyMortgages


Financing
Period End2021-03-312020-12-312020-09-30
Value0.2070.7970.768
Percentage of FinancingReceivableBeforeAllowanceForCreditLossNetLoanChargeOffs100.0100.0100.0

us-gaap:ConsumerPortfolioSegment, fmbi:InstallmentLoans


Financing
Period End2021-03-312020-12-312020-09-30
Value2.635119.399
Percentage of FinancingReceivableBeforeAllowanceForCreditLossNetLoanChargeOffs1272.91493.51223.8

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan


Financing
Period End2021-03-312020-12-312020-09-30
Value0.068-0.166-0.081
Percentage of FinancingReceivableBeforeAllowanceForCreditLossNetLoanChargeOffs32.9-20.8-10.5

fmbi:FinancingReceivableEligibleModificationsOutstandingBalance

fmbi:FinancingReceivableEligibleModificationsOutstandingBalance


Financing
Period End2021-06-302021-03-31
Value8870
Percentage of FinancingReceivableEligibleModificationsOutstandingBalance100.0100.0

fmbi:FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossNetLoanChargeOffs us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossNetLoanChargeOffs

us-gaap:ConsumerPortfolioSegment, fmbi:A14FamilyMortgages


Financing
Period End2021-06-30
Value210000.0
Percentage of FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossNetLoanChargeOffs100.0

us-gaap:ConsumerPortfolioSegment, fmbi:InstallmentLoans


Financing
Period End2021-06-30
Value4320000.0
Percentage of FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossNetLoanChargeOffs2057.1

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan


Financing
Period End2021-06-30
Value-142000.0
Percentage of FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossNetLoanChargeOffs-67.6

fmbi:FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearNetLoanChargeOffs us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearNetLoanChargeOffs

us-gaap:ConsumerPortfolioSegment, fmbi:A14FamilyMortgages


Financing
Period End2021-06-30
Value208000.0
Percentage of FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearNetLoanChargeOffs100.0

us-gaap:ConsumerPortfolioSegment, fmbi:InstallmentLoans


Financing
Period End2021-06-30
Value-115000.0
Percentage of FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearNetLoanChargeOffs-55.3

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan


Financing
Period End2021-06-30
Value-112000.0
Percentage of FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearNetLoanChargeOffs-53.8

fmbi:FinancingReceivableExcludingAccruedInterestRevolvingNetLoanChargeOffs us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:FinancingReceivableExcludingAccruedInterestRevolvingNetLoanChargeOffs

us-gaap:ConsumerPortfolioSegment, fmbi:InstallmentLoans


Financing
Period End2021-06-30
Value27000.0
Percentage of FinancingReceivableExcludingAccruedInterestRevolvingNetLoanChargeOffs100.0

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan


Financing
Period End2021-06-30
Value-14000.0
Percentage of FinancingReceivableExcludingAccruedInterestRevolvingNetLoanChargeOffs-51.9

fmbi:FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearNetLoanChargeOffs us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearNetLoanChargeOffs

us-gaap:ConsumerPortfolioSegment, fmbi:InstallmentLoans


Financing
Period End2021-06-30
Value193000.0
Percentage of FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearNetLoanChargeOffs100.0

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan


Financing
Period End2021-06-30
Value-42000.0
Percentage of FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearNetLoanChargeOffs-21.8

fmbi:FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearNetLoanChargeOffs us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearNetLoanChargeOffs

us-gaap:ConsumerPortfolioSegment, fmbi:A14FamilyMortgages


Financing
Period End2021-06-30
Value2000.0
Percentage of FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearNetLoanChargeOffs100.0

us-gaap:ConsumerPortfolioSegment, fmbi:InstallmentLoans


Financing
Period End2021-06-30
Value1170000.0
Percentage of FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearNetLoanChargeOffs58500.0

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan


Financing
Period End2021-06-30
Value26000.0
Percentage of FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearNetLoanChargeOffs1300.0

fmbi:FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearNetLoanChargeOffs us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearNetLoanChargeOffs

us-gaap:ConsumerPortfolioSegment, fmbi:InstallmentLoans


Financing
Period End2021-06-30
Value14000.0
Percentage of FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearNetLoanChargeOffs100.0

fmbi:FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearNetLoanChargeOffs us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearNetLoanChargeOffs

us-gaap:ConsumerPortfolioSegment, fmbi:InstallmentLoans


Financing
Period End2021-06-30
Value2072000.0
Percentage of FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearNetLoanChargeOffs100.0

fmbi:FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearNetLoanChargeOffs us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearNetLoanChargeOffs

us-gaap:ConsumerPortfolioSegment, fmbi:InstallmentLoans


Financing
Period End2021-06-30
Value959000.0
Percentage of FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearNetLoanChargeOffs100.0

fmbi:FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearNetLoanChargeOffs us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearNetLoanChargeOffs

us-gaap:ConsumerPortfolioSegment, fmbi:A14FamilyMortgages


Financing
Period End2021-03-312020-12-312020-09-30
Value205000.0729000.0729000.0
Percentage of FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearNetLoanChargeOffs100.0100.0100.0

us-gaap:ConsumerPortfolioSegment, fmbi:InstallmentLoans


Financing
Period End2021-03-312020-12-312020-09-30
Value-69000.0388000.0373000.0
Percentage of FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearNetLoanChargeOffs-33.753.251.2

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan


Financing
Period End2021-03-312020-12-312020-09-30
Value14000.0-66000.0-61000.0
Percentage of FinancingReceivableOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearNetLoanChargeOffs6.8-9.1-8.4

fmbi:FinancingReceivableRevolvingNetLoanChargeOffs us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:FinancingReceivableRevolvingNetLoanChargeOffs

us-gaap:ConsumerPortfolioSegment, fmbi:A14FamilyMortgages


Financing
Period End2020-12-31
Value-4000.0
Percentage of FinancingReceivableRevolvingNetLoanChargeOffs100.0

us-gaap:ConsumerPortfolioSegment, fmbi:InstallmentLoans


Financing
Period End2021-03-312020-12-312020-09-30
Value8000.012000.036000.0
Percentage of FinancingReceivableRevolvingNetLoanChargeOffs0.0-300.00.0

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan


Financing
Period End2021-03-312020-12-312020-09-30
Value-6000.0-133000.0-21000.0
Percentage of FinancingReceivableRevolvingNetLoanChargeOffs0.03325.00.0

fmbi:FinancingReceivableYearFiveOriginatedFourYearsBeforeCurrentFiscalYearNetLoanChargeOffs us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:FinancingReceivableYearFiveOriginatedFourYearsBeforeCurrentFiscalYearNetLoanChargeOffs

us-gaap:ConsumerPortfolioSegment, fmbi:A14FamilyMortgages


Financing
Period End2020-09-30
Value7000.0
Percentage of FinancingReceivableYearFiveOriginatedFourYearsBeforeCurrentFiscalYearNetLoanChargeOffs100.0

us-gaap:ConsumerPortfolioSegment, fmbi:InstallmentLoans


Financing
Period End2021-03-312020-12-312020-09-30
Value184000.0129000.085000.0
Percentage of FinancingReceivableYearFiveOriginatedFourYearsBeforeCurrentFiscalYearNetLoanChargeOffs0.00.01214.3

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan


Financing
Period End2021-03-312020-12-312020-09-30
Value34000.01000.01000.0
Percentage of FinancingReceivableYearFiveOriginatedFourYearsBeforeCurrentFiscalYearNetLoanChargeOffs0.00.014.3

fmbi:FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearNetLoanChargeOffs us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearNetLoanChargeOffs

us-gaap:ConsumerPortfolioSegment, fmbi:A14FamilyMortgages


Financing
Period End2021-03-31
Value2000.0
Percentage of FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearNetLoanChargeOffs100.0

us-gaap:ConsumerPortfolioSegment, fmbi:InstallmentLoans


Financing
Period End2021-03-312020-12-312020-09-30
Value775000.01068000.0885000.0
Percentage of FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearNetLoanChargeOffs38750.00.00.0

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan


Financing
Period End2021-03-312020-12-312020-09-30
Value26000.0-1000.0-1000.0
Percentage of FinancingReceivableYearFourOriginatedThreeYearsBeforeCurrentFiscalYearNetLoanChargeOffs1300.00.00.0

fmbi:FinancingReceivableYearOneOriginatedCurrentFiscalYearNetLoanChargeOffs us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:FinancingReceivableYearOneOriginatedCurrentFiscalYearNetLoanChargeOffs

us-gaap:ConsumerPortfolioSegment, fmbi:InstallmentLoans


Financing
Period End2020-12-312020-09-30
Value501000.0190000.0
Percentage of FinancingReceivableYearOneOriginatedCurrentFiscalYearNetLoanChargeOffs100.0100.0

fmbi:FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearNetLoanChargeOffs us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearNetLoanChargeOffs

us-gaap:ConsumerPortfolioSegment, fmbi:A14FamilyMortgages


Financing
Period End2020-12-312020-09-30
Value72000.032000.0
Percentage of FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearNetLoanChargeOffs100.0100.0

us-gaap:ConsumerPortfolioSegment, fmbi:InstallmentLoans


Financing
Period End2021-03-312020-12-312020-09-30
Value1271000.03330000.02835000.0
Percentage of FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearNetLoanChargeOffs0.04625.08859.4

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan


Financing
Period End2020-12-312020-09-30
Value33000.01000.0
Percentage of FinancingReceivableYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearNetLoanChargeOffs45.83.1

fmbi:FinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearNetLoanChargeOffs us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:FinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearNetLoanChargeOffs

us-gaap:ConsumerPortfolioSegment, fmbi:InstallmentLoans


Financing
Period End2021-03-312020-12-312020-09-30
Value466000.06475000.04995000.0
Percentage of FinancingReceivableYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearNetLoanChargeOffs100.0100.0100.0

fmbi:FutureDerivativeNotionalAmountCashFlowHedgeForwardStartingInterestRateSwap

fmbi:FutureDerivativeNotionalAmountCashFlowHedgeForwardStartingInterestRateSwap


Future
Period End2021-06-302021-03-312020-09-30
Value2525285
Percentage of FutureDerivativeNotionalAmountCashFlowHedgeForwardStartingInterestRateSwap100.0100.0100.0

fmbi:FutureDerivativeNotionalAmountCashFlowHedgeForwardStartingInterestRateSwap us-gaap:DerivativeInstrumentsGainLossByHedgingRelationship

us-gaap:CashFlowHedging


Future
Period End2020-12-31
Value25
Percentage of FutureDerivativeNotionalAmountCashFlowHedgeForwardStartingInterestRateSwap0.0

fmbi:HomeEquityLinesCommitments us-gaap:OtherCommitments

fmbi:HomeEquityLinesCommitments

us-gaap:CommitmentsToExtendCredit


Home
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value634622611601578596576571583578570547546529514512508486426387352
Percentage of HomeEquityLinesCommitments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour

fmbi:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour


Lessee
Period End2021-06-302021-03-312020-09-30
Value9686104
Percentage of LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFour100.0100.0100.0

fmbi:NetAmountToBeRecognized

fmbi:NetAmountToBeRecognized


Net
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value3025292528261910282113
Percentage of NetAmountToBeRecognized100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:NetLossAtEndOfPeriod

fmbi:NetLossAtEndOfPeriod


Net
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value302529252826-19.911-10.784282112
Percentage of NetLossAtEndOfPeriod100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:NonPCIAcquiredAndCoveredLoans us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:NonPCIAcquiredAndCoveredLoans

fmbi:AcquiredLoans


Non
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312014-12-31
Value91610291198135315161706121214041565108612471121124313611512169418712101613686782534714
Percentage of NonPCIAcquiredAndCoveredLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:OtherCommitments us-gaap:OtherCommitments

fmbi:OtherCommitments

us-gaap:CommitmentsToExtendCredit


Other
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value272273264262251246251254256244244240244244244246248250214215203
Percentage of OtherCommitments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:RestructuredLoansNonaccrual

fmbi:RestructuredLoansNonaccrual


Restructured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-31
Value7.4038.01111151217205.0887.8419.3756.6126.3658.2382024283.0363.1126.2971.692.2682.3242.3662.071.99619161.71.924.0834.73710
Percentage of RestructuredLoansNonaccrual100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:RestructuredLoansNonaccrual us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Restructured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value7.0767.67411151117204.5617.3118.8295.9945.6037.3461923271.9091.9495.0991.236
Percentage of RestructuredLoansNonaccrual95.695.897.197.896.696.697.689.693.294.290.788.089.294.495.295.862.962.681.053.2

us-gaap:CommercialRealEstatePortfolioSegment


Restructured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value0.1530.1562.52.52.344.413.60.00.3830.00.00.00.5012.484.3854.6651.0181.0274.9490.186
Percentage of RestructuredLoansNonaccrual2.11.921.415.819.424.617.50.04.90.00.00.06.112.117.916.333.533.078.68.0

us-gaap:ConsumerPortfolioSegment


Restructured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value0.3270.3370.3440.3550.4170.6020.4940.5270.530.5460.6180.7620.8921.1561.1891.2171.1271.1631.1981.088
Percentage of RestructuredLoansNonaccrual4.44.22.92.23.43.42.410.46.85.89.312.010.85.64.84.237.137.419.046.8

fmbi:RestructuredLoansNonaccrual us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:CommercialIndustrialAndAgricultural, fmbi:CommercialandIndustrial


Restructured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value6.9237.5188.859129.33612164.5616.9288.8295.9945.6036.8451618220.8910.9220.151.05
Percentage of RestructuredLoansNonaccrual93.593.875.782.077.272.080.089.688.494.290.788.083.182.277.379.529.329.62.445.2

us-gaap:CommercialRealEstatePortfolioSegment, fmbi:OfficeRetailAndIndustrial


Restructured
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value2.342.342.344.413.60.00.3830.00.00.00.5012.3364.2364.5120.860.8644.7330.0
Percentage of RestructuredLoansNonaccrual20.014.819.424.617.50.04.90.00.00.06.111.417.315.728.327.875.20.0

us-gaap:CommercialRealEstatePortfolioSegment, srt:Multifamily


Restructured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value0.1530.1560.160.160.00.00.00.00.00.00.00.00.00.149
Percentage of RestructuredLoansNonaccrual2.11.91.41.00.00.00.00.00.00.00.00.00.00.6

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan


Restructured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value0.1080.1140.1160.1230.1790.3540.240.2490.2570.2660.3270.3520.470.7240.7380.7550.7710.7950.820.667
Percentage of RestructuredLoansNonaccrual1.51.41.00.81.52.01.24.93.32.84.95.55.73.53.02.625.425.513.028.7

us-gaap:ConsumerPortfolioSegment, us-gaap:ResidentialRealEstate


Restructured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value0.2190.2230.2280.2320.2380.2480.00.2780.2730.280.2910.410.4220.4320.4510.4620.3560.3680.3780.421
Percentage of RestructuredLoansNonaccrual3.02.81.91.52.01.40.05.53.53.04.46.45.12.11.81.611.711.86.018.1

fmbi:RestructuredLoansStillAccruingInterest

fmbi:RestructuredLoansStillAccruingInterest


Restructured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value0.7820.7980.8130.8411.2011.2161.2331.4221.4411.8441.8661.7411.761.7781.7961.8132.0292.1122.2912.4912.7022.7432.7713.0673.5813.7045.4495.6976.30123246.8676.3917.8112.076177.0331422
Percentage of RestructuredLoansStillAccruingInterest100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:RestructuredLoansStillAccruingInterest us-gaap:FinancingReceivablePortfolioSegment

us-gaap:CommercialPortfolioSegment


Restructured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value0.1640.1740.1840.1930.5460.5510.560.570.5790.9720.9840.9971.0081.0191.031.041.0491.1231.291.396
Percentage of RestructuredLoansStillAccruingInterest21.021.822.622.945.545.345.440.140.252.752.757.357.357.357.357.451.753.256.350.9

us-gaap:CommercialRealEstatePortfolioSegment


Restructured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value0.1640.1740.1840.1930.3580.3280.3330.3380.3430.7310.7380.7470.7530.7590.7660.7710.7760.8451.0091.102
Percentage of RestructuredLoansStillAccruingInterest21.021.822.622.929.827.027.023.823.839.639.542.942.842.742.742.538.240.044.040.2

us-gaap:ConsumerPortfolioSegment


Restructured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value0.6180.6240.6290.6480.6550.6650.6730.8520.8620.8720.8820.7440.7520.7590.7660.7730.980.9891.0011.347
Percentage of RestructuredLoansStillAccruingInterest79.078.277.477.154.554.754.659.959.847.347.342.742.742.742.742.648.346.843.749.1

fmbi:RestructuredLoansStillAccruingInterest us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

us-gaap:CommercialRealEstatePortfolioSegment, us-gaap:RealEstateLoan


Restructured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value0.1640.1740.1840.1930.1980.1670.170.1730.1760.1790.1810.1840.1870.1890.1920.1940.1970.2630.2680.34
Percentage of RestructuredLoansStillAccruingInterest21.021.822.622.916.513.713.812.212.29.79.710.610.610.610.710.79.712.511.712.4

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan


Restructured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value0.030.030.0310.0310.0310.0350.0360.1070.1090.1120.1130.0830.0840.0850.0860.0880.1680.1720.1770.494
Percentage of RestructuredLoansStillAccruingInterest3.83.83.83.72.62.92.97.57.66.16.14.84.84.84.84.98.38.17.718.0

us-gaap:ConsumerPortfolioSegment, us-gaap:ResidentialRealEstate


Restructured
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312015-12-31
Value0.5880.5940.5980.6170.6240.630.6370.7450.7530.760.7690.6610.6680.6740.680.6850.8120.8170.8240.853
Percentage of RestructuredLoansStillAccruingInterest75.274.473.673.452.051.851.752.452.341.241.238.038.037.937.937.840.038.736.031.1

fmbi:StateCorporateIncomeTaxRate

fmbi:StateCorporateIncomeTaxRate


State
Period End2025-12-312015-12-312012-12-312011-12-312011-03-312010-12-31
Value0.0730.07750.0730.0950.0950.073
Percentage of StateCorporateIncomeTaxRate100.0100.0100.0100.0100.0100.0

fmbi:TaxEffectOfAdjustmentsRelatedToOtherComprehensiveLoss

fmbi:TaxEffectOfAdjustmentsRelatedToOtherComprehensiveLoss


Tax
Period End2020-12-312019-12-312018-12-312017-12-312016-12-312015-12-312014-12-312013-12-312012-12-312011-12-312010-12-31
Value-10.0480.725201527191118109.19417
Percentage of TaxEffectOfAdjustmentsRelatedToOtherComprehensiveLoss100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:TotalAcquiredLoans us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:TotalAcquiredLoans

fmbi:AcquiredLoans


Total
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302015-12-312014-12-31
Value109312291410159317591981137415651734118313551220134914831643184420322271667744851584743
Percentage of TotalAcquiredLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:TotalAmountOfLoansBeingServicedForTheBenefitOfOthersAtEndOfPeriod4

fmbi:TotalAmountOfLoansBeingServicedForTheBenefitOfOthersAtEndOfPeriod4


Total
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-09-302011-06-302010-12-31
Value8318227667126756416536526416346276246176046076166266326406306036002422322322292202182192162142021771561098388114
Percentage of TotalAmountOfLoansBeingServicedForTheBenefitOfOthersAtEndOfPeriod4100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:TotalCommitments us-gaap:OtherCommitments

fmbi:TotalCommitments

us-gaap:CommitmentsToExtendCredit


Total
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value367635503573349434313179297629022821281228412826279728432866282128542901256025042224
Percentage of TotalCommitments100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:TotalLoans

fmbi:TotalLoans


Total
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312012-09-302012-06-302012-03-312011-12-312011-09-302011-06-302010-12-31
Value1503515183147511493313965128401277312519115691144611050108911067610437103901023210054825481717979782271616925685068046736651959485815571456025459536153875434552853885348539454275472
Percentage of TotalLoans100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

fmbi:TotalLoans us-gaap:FinancingReceivablePortfolioSegment

fmbi:CommercialIndustrialAndAgricultural


Total
Period End2020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value494251705444488749884954462145514426427740943960390038443793321732582912
Percentage of TotalLoans33.534.639.038.139.139.639.939.840.139.338.437.937.537.637.739.039.940.7

fmbi:CommercialPortfolioSegmentExcludingPPPLoans


Total
Period End2021-06-302021-03-312020-12-312020-06-30
Value98099713977110228
Percentage of TotalLoans65.264.066.268.5

fmbi:PPPLoans


Total
Period End2021-06-302021-03-312020-12-312020-06-30
Value70511097851179
Percentage of TotalLoans4.77.35.37.9

us-gaap:CommercialPortfolioSegment


Total
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value1051510822105571140810542956997609781917491478889878686708514850884368380684367945984
Percentage of TotalLoans69.971.371.676.475.574.576.478.179.379.980.480.781.281.681.982.583.482.983.183.6

us-gaap:CommercialRealEstatePortfolioSegment


Total
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value48584810482950585097468247724826455345964462450945764553460845924586362635353071
Percentage of TotalLoans32.331.732.733.936.536.537.438.539.440.240.441.442.943.644.444.945.643.943.342.9

us-gaap:ConsumerPortfolioSegment


Total
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value45194361419435253422327130122738239422992161210520051923188117951673138613531146
Percentage of TotalLoans30.128.728.423.624.525.523.621.920.720.119.619.318.818.418.117.516.616.816.616.0

fmbi:TotalLoans us-gaap:FinancingReceivablePortfolioSegment, us-gaap:FinancingReceivableRecordedInvestmentByClassOfFinancingReceivable

fmbi:CommercialIndustrialAndAgricultural, fmbi:Agricultural


Total
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value342355364381393405417430438430432433435430437433422389409387
Percentage of TotalLoans2.32.32.52.62.83.23.33.43.83.83.94.04.14.14.24.24.24.75.05.4

fmbi:CommercialIndustrialAndAgricultural, fmbi:CommercialandIndustrial


Total
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value46084546457847895051448145704524418341203994384436593529346234103370282728492524
Percentage of TotalLoans30.629.931.032.136.234.935.836.136.236.036.135.334.333.833.333.333.534.334.935.3

us-gaap:CommercialRealEstatePortfolioSegment, fmbi:OfficeRetailAndIndustrial


Total
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value18071827186120202279184818921936180618201782183419311979196019831988158115371395
Percentage of TotalLoans12.012.012.613.516.314.414.815.515.615.916.116.818.119.018.919.419.819.218.819.5

us-gaap:CommercialRealEstatePortfolioSegment, srt:Multifamily


Total
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302017-12-31
Value1012906872874906856817787752764698703675
Percentage of TotalLoans6.76.05.95.96.56.76.46.36.56.76.36.56.5

us-gaap:CommercialRealEstatePortfolioSegment, us-gaap:ConstructionLoans


Total
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value577614612687562593637654683649632633585539545543568451401216
Percentage of TotalLoans3.84.04.24.64.04.65.05.25.95.75.75.85.55.25.35.35.75.54.93.0

us-gaap:CommercialRealEstatePortfolioSegment, us-gaap:RealEstateLoan


Total
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value14611463148114751349138314251447130913611348133713631358139113831357979970931
Percentage of TotalLoans9.79.610.09.99.710.811.211.611.311.912.212.312.813.013.413.513.511.911.913.0

us-gaap:ConsumerPortfolioSegment, fmbi:InstallmentLoans


Total
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value602483410457488492491472445430418377325321322314253237232137
Percentage of TotalLoans4.03.22.83.13.53.83.83.83.93.83.83.53.03.13.13.12.52.92.81.9

us-gaap:ConsumerPortfolioSegment, us-gaap:HomeEquityLoan


Total
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value629690761892965851833874862851853847881827847865880732733653
Percentage of TotalLoans4.24.55.26.06.96.66.57.07.57.47.77.88.37.98.28.58.88.99.09.1

us-gaap:ConsumerPortfolioSegment, us-gaap:ResidentialRealEstate


Total
Period End2021-06-302021-03-312020-12-312020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value3287318730222175196819271686139110861017888880798774711614540416388355
Percentage of TotalLoans21.921.020.514.614.115.013.211.19.48.98.08.17.57.46.86.05.45.04.75.0

fmbi:TotalPropertyPlantEquipmentAndAssetsHeldForSale

fmbi:TotalPropertyPlantEquipmentAndAssetsHeldForSale


Total
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302016-06-302016-03-312015-12-312015-09-302015-06-302015-03-312014-12-312014-09-302014-06-302014-03-312013-12-312013-09-302013-06-302013-03-312012-12-312011-12-312010-12-31
Value1251291321321431451471471481311321261271261231311351408282140141122127128128131123118119120118118118121134140
Percentage of TotalPropertyPlantEquipmentAndAssetsHeldForSale100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AdvancesFromFederalHomeLoanBanks

us-gaap:AdvancesFromFederalHomeLoanBanks


Advances
Period End2020-12-312020-09-302020-06-302020-03-312019-12-312018-12-312017-12-312017-09-302016-12-312016-09-302016-06-302016-03-312015-12-312014-12-312011-12-312010-12-31
Value140418241974227513957855905907505253252629.90.0112137
Percentage of AdvancesFromFederalHomeLoanBanks100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.00.0100.0100.0

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroup

us-gaap:AssetsHeldForSaleNotPartOfDisposalGroup


Assets
Period End2020-12-312019-12-312018-12-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-312014-12-31
Value3.7226.8243.7222.2089.15711174.0754.9677.4282.026
Percentage of AssetsHeldForSaleNotPartOfDisposalGroup100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AssetsNeededForImmediateSettlementAggregateFairValue us-gaap:DerivativeInstrumentRisk

us-gaap:AssetsNeededForImmediateSettlementAggregateFairValue

fmbi:OtherDerivativeInstruments


Assets
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-302018-03-312017-12-312017-09-302017-06-302017-03-312016-12-312016-09-302015-12-31
Value343246525653182521171833292215141516133011
Percentage of AssetsNeededForImmediateSettlementAggregateFairValue100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value454663708695314332104.4050.3730.76
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax us-gaap:FinancialInstrument

fmbi:OtherMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value9.76210141620247.7289.7536.7681.6510.520.1140.229
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax21.223.323.222.923.326.124.822.320.915.711.830.630.1

us-gaap:CollateralizedMortgageObligations


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1619273449591425196.1073.3620.1030.368
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax36.840.943.648.756.862.847.758.359.157.976.327.648.4

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value7.4515.4896.214.3912.3670.3941.7911.3891.0680.360.00.0320.002
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax16.211.89.86.32.70.45.73.23.33.40.08.60.3

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value1.9961.943.1294.7314.1663.940.7581.2510.8130.0930.0450.0060.007
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax4.34.25.06.74.84.12.42.92.50.91.01.60.9

us-gaap:USStatesAndPoliticalSubdivisions


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value9.8229.181110105.9725.8985.7224.422.2890.4610.1180.152
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax21.419.818.315.212.16.318.913.113.721.710.531.620.0

us-gaap:USTreasurySecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.0030.0150.050.1280.2070.3550.1370.1430.1620.0470.0170.00.002
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax0.00.00.10.20.20.40.40.30.50.40.40.00.3

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value3358106.8774.631119.2985.0277.26423447158
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax us-gaap:FinancialInstrument

fmbi:OtherMortgageBackedSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value4.3687.4250.640.5920.2370.0941.8481.1812.8156.314111613
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax13.012.76.38.65.10.819.923.538.826.625.423.022.4

us-gaap:CollateralizedMortgageObligations


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value13184.3231.6651.5390.7365.0272.0462.68114244638
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax40.532.142.324.233.26.254.140.736.959.455.765.265.4

us-gaap:CorporateDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.0140.0790.270.531.4628.4570.4870.7240.9811.3543.7250.50.857
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax0.00.12.67.731.671.35.214.413.55.78.40.71.5

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value15314.9764.0471.3722.4171.8361.0270.661.2581.6072.5172.166
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax45.854.348.758.829.620.419.720.49.15.33.63.53.7

us-gaap:USStatesAndPoliticalSubdivisions


Available
Period End2021-06-302021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value0.2290.4250.0040.0430.0210.1570.0990.0450.1060.6032.8745.1313.841
Percentage of AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax0.70.70.00.60.51.31.10.91.52.56.57.26.6

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value320730433216335432992851286727682363231122502200
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0100.0

us-gaap:AvailableForSaleDebtSecuritiesAmortizedCostBasis us-gaap:FinancialInstrument

fmbi:OtherMortgageBackedSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value791566624695662678668666491477462450
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis24.718.619.420.720.123.823.324.120.820.720.520.5

us-gaap:CollateralizedMortgageObligations


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value140014151532162416401547156715331365133613041270
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis43.746.547.648.449.754.354.755.457.857.858.057.7

us-gaap:CorporateDebtSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value165170160143117112114104104866257
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis5.25.65.04.33.64.04.03.84.43.72.82.6

us-gaap:USGovernmentAgenciesDebtSecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value625654658640616249243187129144143150
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis19.521.520.519.118.78.78.56.85.56.26.46.8

us-gaap:USStatesAndPoliticalSubdivisions


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value220224226229228228231234231229228222
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis6.97.47.06.86.98.08.18.59.89.910.110.1

us-gaap:USTreasurySecurities


Available
Period End2021-03-312020-12-312020-09-302020-06-302020-03-312019-12-312019-09-302019-06-302019-03-312018-12-312018-09-302018-06-30
Value4.0011213203233404240374949
Percentage of AvailableForSaleDebtSecuritiesAmortizedCostBasis0.10.40.40.61.01.21.41.61.71.62.22.2

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value727731533561
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value730720541569
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value176200205206
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value176197208209
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost


Available
Period End2020-09-30
Value12
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue


Available
Period End2020-09-30
Value12
Percentage of AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value9483322279
Percentage of AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost100.0100.0100.0100.0

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue

us-gaap:AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue


Available
Period End2021-06-302021-03-312020-12-312020-09-30
Value94</