Toggle SGML Header (+)


Section 1: 10-Q (10-Q)

bhlb-20200930
0001108134false12/312020Q3us-gaap:AccountingStandardsUpdate201613Memberus-gaap:AccountingStandardsUpdate201613Memberus-gaap:AccountingStandardsUpdate201613Memberus-gaap:AccountingStandardsUpdate201613Memberus-gaap:AccountingStandardsUpdate201613Memberus-gaap:AccountingStandardsUpdate201613Memberus-gaap:AccountingStandardsUpdate201613Memberus-gaap:OtherAssetsus-gaap:PropertyPlantAndEquipmentNetus-gaap:OtherLiabilitiesus-gaap:OtherLiabilitiesus-gaap:AccountingStandardsUpdate201613Member00011081342020-01-012020-09-30xbrli:shares00011081342020-11-06iso4217:USD00011081342020-09-3000011081342019-12-31iso4217:USDxbrli:shares00011081342020-07-012020-09-3000011081342019-07-012019-09-3000011081342019-01-012019-09-300001108134us-gaap:MortgageBankingMember2020-07-012020-09-300001108134us-gaap:MortgageBankingMember2019-07-012019-09-300001108134us-gaap:MortgageBankingMember2020-01-012020-09-300001108134us-gaap:MortgageBankingMember2019-01-012019-09-300001108134us-gaap:BankServicingMember2020-07-012020-09-300001108134us-gaap:BankServicingMember2019-07-012019-09-300001108134us-gaap:BankServicingMember2020-01-012020-09-300001108134us-gaap:BankServicingMember2019-01-012019-09-300001108134us-gaap:DepositAccountMember2020-07-012020-09-300001108134us-gaap:DepositAccountMember2019-07-012019-09-300001108134us-gaap:DepositAccountMember2020-01-012020-09-300001108134us-gaap:DepositAccountMember2019-01-012019-09-300001108134bhlb:InsuranceRevenueMember2020-07-012020-09-300001108134bhlb:InsuranceRevenueMember2019-07-012019-09-300001108134bhlb:InsuranceRevenueMember2020-01-012020-09-300001108134bhlb:InsuranceRevenueMember2019-01-012019-09-300001108134bhlb:AssetManagementFeesMember2020-07-012020-09-300001108134bhlb:AssetManagementFeesMember2019-07-012019-09-300001108134bhlb:AssetManagementFeesMember2020-01-012020-09-300001108134bhlb:AssetManagementFeesMember2019-01-012019-09-300001108134us-gaap:BankingMember2020-07-012020-09-300001108134us-gaap:BankingMember2019-07-012019-09-300001108134us-gaap:BankingMember2020-01-012020-09-300001108134us-gaap:BankingMember2019-01-012019-09-300001108134us-gaap:PreferredStockMember2019-06-300001108134us-gaap:CommonStockMember2019-06-300001108134us-gaap:AdditionalPaidInCapitalMember2019-06-300001108134us-gaap:DeferredCompensationShareBasedPaymentsMember2019-06-300001108134us-gaap:RetainedEarningsMember2019-06-300001108134us-gaap:AccumulatedOtherComprehensiveIncomeMember2019-06-300001108134us-gaap:TreasuryStockMember2019-06-3000011081342019-06-300001108134us-gaap:RetainedEarningsMember2019-07-012019-09-300001108134us-gaap:AccumulatedOtherComprehensiveIncomeMember2019-07-012019-09-300001108134us-gaap:CommonStockMember2019-07-012019-09-300001108134us-gaap:TreasuryStockMember2019-07-012019-09-300001108134us-gaap:AdditionalPaidInCapitalMember2019-07-012019-09-300001108134us-gaap:DeferredCompensationShareBasedPaymentsMember2019-07-012019-09-300001108134us-gaap:PreferredStockMember2019-09-300001108134us-gaap:CommonStockMember2019-09-300001108134us-gaap:AdditionalPaidInCapitalMember2019-09-300001108134us-gaap:DeferredCompensationShareBasedPaymentsMember2019-09-300001108134us-gaap:RetainedEarningsMember2019-09-300001108134us-gaap:AccumulatedOtherComprehensiveIncomeMember2019-09-300001108134us-gaap:TreasuryStockMember2019-09-3000011081342019-09-300001108134us-gaap:PreferredStockMember2020-06-300001108134us-gaap:CommonStockMember2020-06-300001108134us-gaap:AdditionalPaidInCapitalMember2020-06-300001108134us-gaap:DeferredCompensationShareBasedPaymentsMember2020-06-300001108134us-gaap:RetainedEarningsMember2020-06-300001108134us-gaap:AccumulatedOtherComprehensiveIncomeMember2020-06-300001108134us-gaap:TreasuryStockMember2020-06-3000011081342020-06-300001108134us-gaap:RetainedEarningsMember2020-07-012020-09-300001108134us-gaap:AccumulatedOtherComprehensiveIncomeMember2020-07-012020-09-300001108134us-gaap:CommonStockMember2020-07-012020-09-300001108134us-gaap:AdditionalPaidInCapitalMember2020-07-012020-09-300001108134us-gaap:DeferredCompensationShareBasedPaymentsMember2020-07-012020-09-300001108134us-gaap:TreasuryStockMember2020-07-012020-09-300001108134us-gaap:PreferredStockMember2020-09-300001108134us-gaap:CommonStockMember2020-09-300001108134us-gaap:AdditionalPaidInCapitalMember2020-09-300001108134us-gaap:DeferredCompensationShareBasedPaymentsMember2020-09-300001108134us-gaap:RetainedEarningsMember2020-09-300001108134us-gaap:AccumulatedOtherComprehensiveIncomeMember2020-09-300001108134us-gaap:TreasuryStockMember2020-09-300001108134us-gaap:PreferredStockMember2018-12-310001108134us-gaap:CommonStockMember2018-12-310001108134us-gaap:AdditionalPaidInCapitalMember2018-12-310001108134us-gaap:DeferredCompensationShareBasedPaymentsMember2018-12-310001108134us-gaap:RetainedEarningsMember2018-12-310001108134us-gaap:AccumulatedOtherComprehensiveIncomeMember2018-12-310001108134us-gaap:TreasuryStockMember2018-12-3100011081342018-12-310001108134us-gaap:RetainedEarningsMember2019-01-012019-09-300001108134us-gaap:AccumulatedOtherComprehensiveIncomeMember2019-01-012019-09-300001108134us-gaap:CommonStockMember2019-01-012019-09-300001108134us-gaap:AdditionalPaidInCapitalMember2019-01-012019-09-300001108134us-gaap:TreasuryStockMember2019-01-012019-09-300001108134us-gaap:DeferredCompensationShareBasedPaymentsMember2019-01-012019-09-300001108134us-gaap:PreferredStockMember2019-12-310001108134us-gaap:CommonStockMember2019-12-310001108134us-gaap:AdditionalPaidInCapitalMember2019-12-310001108134us-gaap:DeferredCompensationShareBasedPaymentsMember2019-12-310001108134us-gaap:RetainedEarningsMember2019-12-310001108134us-gaap:AccumulatedOtherComprehensiveIncomeMember2019-12-310001108134us-gaap:TreasuryStockMember2019-12-310001108134us-gaap:RetainedEarningsMember2020-01-012020-09-300001108134us-gaap:AccumulatedOtherComprehensiveIncomeMember2020-01-012020-09-3000011081342019-01-012019-12-310001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberus-gaap:RetainedEarningsMember2019-12-310001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMember2019-12-310001108134us-gaap:PreferredStockMemberus-gaap:PreferredStockMember2020-01-012020-09-300001108134us-gaap:CommonStockMemberus-gaap:CommonStockMember2020-01-012020-09-300001108134us-gaap:AdditionalPaidInCapitalMember2020-01-012020-09-300001108134us-gaap:TreasuryStockMember2020-01-012020-09-300001108134us-gaap:CommonStockMember2020-01-012020-09-300001108134us-gaap:DeferredCompensationShareBasedPaymentsMember2020-01-012020-09-300001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberus-gaap:FinancialAssetAcquiredWithCreditDeteriorationMember2019-12-310001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberbhlb:TaxiMedallionPortfolioSegmentMember2019-12-310001108134srt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember2019-12-310001108134us-gaap:DiscontinuedOperationsHeldforsaleMemberbhlb:FirstChoiceLoanServicesInc.Member2020-09-300001108134us-gaap:DiscontinuedOperationsHeldforsaleMemberbhlb:FirstChoiceLoanServicesInc.Member2019-12-310001108134us-gaap:DiscontinuedOperationsHeldforsaleMemberbhlb:FirstChoiceLoanServicesInc.Member2020-07-012020-09-300001108134us-gaap:DiscontinuedOperationsHeldforsaleMemberbhlb:FirstChoiceLoanServicesInc.Member2019-07-012019-09-300001108134us-gaap:DiscontinuedOperationsHeldforsaleMemberbhlb:FirstChoiceLoanServicesInc.Member2020-01-012020-09-300001108134us-gaap:DiscontinuedOperationsHeldforsaleMemberbhlb:FirstChoiceLoanServicesInc.Member2019-01-012019-09-300001108134us-gaap:USStatesAndPoliticalSubdivisionsMember2020-09-300001108134us-gaap:CollateralizedDebtObligationsMember2020-09-300001108134us-gaap:ResidentialMortgageBackedSecuritiesMember2020-09-300001108134us-gaap:CommercialMortgageBackedSecuritiesMember2020-09-300001108134us-gaap:CorporateBondSecuritiesMember2020-09-300001108134us-gaap:OtherDebtSecuritiesMember2020-09-300001108134bhlb:TaxAdvantagedEconomicDevelopmentBondsMember2020-09-300001108134us-gaap:USStatesAndPoliticalSubdivisionsMember2019-12-310001108134us-gaap:CollateralizedDebtObligationsMember2019-12-310001108134us-gaap:ResidentialMortgageBackedSecuritiesMember2019-12-310001108134us-gaap:CommercialMortgageBackedSecuritiesMember2019-12-310001108134us-gaap:CorporateBondSecuritiesMember2019-12-310001108134us-gaap:OtherDebtSecuritiesMember2019-12-310001108134bhlb:TaxAdvantagedEconomicDevelopmentBondsMember2019-12-310001108134us-gaap:USStatesAndPoliticalSubdivisionsMember2020-06-300001108134bhlb:TaxAdvantagedEconomicDevelopmentBondsMember2020-06-300001108134us-gaap:USStatesAndPoliticalSubdivisionsMember2020-07-012020-09-300001108134bhlb:TaxAdvantagedEconomicDevelopmentBondsMember2020-07-012020-09-300001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberus-gaap:USStatesAndPoliticalSubdivisionsMember2019-12-310001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberbhlb:TaxAdvantagedEconomicDevelopmentBondsMember2019-12-310001108134us-gaap:USStatesAndPoliticalSubdivisionsMember2020-01-012020-09-300001108134bhlb:TaxAdvantagedEconomicDevelopmentBondsMember2020-01-012020-09-300001108134us-gaap:USStatesAndPoliticalSubdivisionsMember2020-09-300001108134us-gaap:CollateralizedDebtObligationsMember2020-09-300001108134us-gaap:ResidentialMortgageBackedSecuritiesMember2020-09-300001108134us-gaap:CommercialMortgageBackedSecuritiesMember2020-09-300001108134us-gaap:CorporateBondSecuritiesMember2020-09-300001108134us-gaap:OtherDebtSecuritiesMember2020-09-300001108134bhlb:TaxAdvantagedEconomicDevelopmentBondsMember2020-09-300001108134us-gaap:CollateralizedDebtObligationsMember2019-12-310001108134us-gaap:ResidentialMortgageBackedSecuritiesMember2019-12-310001108134us-gaap:CommercialMortgageBackedSecuritiesMember2019-12-310001108134us-gaap:CorporateBondSecuritiesMember2019-12-310001108134us-gaap:OtherDebtSecuritiesMember2019-12-310001108134us-gaap:USStatesAndPoliticalSubdivisionsMember2019-12-310001108134bhlb:TaxAdvantagedEconomicDevelopmentBondsMember2019-12-31bhlb:security0001108134us-gaap:USStatesAndPoliticalSubdivisionsMember2020-01-012020-09-30xbrli:pure0001108134us-gaap:CollateralizedMortgageObligationsMember2020-09-300001108134us-gaap:CollateralizedMortgageObligationsMember2020-01-012020-09-300001108134us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember2020-09-300001108134us-gaap:MortgageBackedSecuritiesIssuedByUSGovernmentSponsoredEnterprisesMember2020-01-012020-09-300001108134us-gaap:CorporateBondSecuritiesMember2020-01-012020-09-300001108134us-gaap:OtherDebtSecuritiesMember2020-01-012020-09-300001108134bhlb:TaxAdvantagedEconomicDevelopmentBondsMember2020-01-012020-09-300001108134us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2019-12-310001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2019-12-310001108134us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember2020-01-010001108134us-gaap:CommercialPortfolioSegmentMemberbhlb:CommercialMultifamilyMember2019-12-310001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberus-gaap:CommercialPortfolioSegmentMemberbhlb:CommercialMultifamilyMember2019-12-310001108134us-gaap:CommercialPortfolioSegmentMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMemberbhlb:CommercialMultifamilyMember2020-01-010001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateOwnerOccupiedMember2019-12-310001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateOwnerOccupiedMember2019-12-310001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateOwnerOccupiedMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember2020-01-010001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateNonOwnerOccupiedMember2019-12-310001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateNonOwnerOccupiedMember2019-12-310001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateNonOwnerOccupiedMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember2020-01-010001108134bhlb:CommercialAndIndustrialPortfolioSegmentByCallReportCodeMember2019-12-310001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberbhlb:CommercialAndIndustrialPortfolioSegmentByCallReportCodeMember2019-12-310001108134bhlb:CommercialAndIndustrialPortfolioSegmentByCallReportCodeMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember2020-01-010001108134bhlb:CommercialAndIndustrialPortfolioSegmentByCallReportCodeMemberbhlb:CommercialAndIndustrialOtherMember2019-12-310001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberbhlb:CommercialAndIndustrialPortfolioSegmentByCallReportCodeMemberbhlb:CommercialAndIndustrialOtherMember2019-12-310001108134bhlb:CommercialAndIndustrialPortfolioSegmentByCallReportCodeMemberbhlb:CommercialAndIndustrialOtherMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember2020-01-010001108134us-gaap:ResidentialPortfolioSegmentMemberus-gaap:RealEstateLoanMember2019-12-310001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:RealEstateLoanMember2019-12-310001108134us-gaap:ResidentialPortfolioSegmentMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMemberus-gaap:RealEstateLoanMember2020-01-010001108134us-gaap:ConsumerPortfolioSegmentMemberbhlb:HomeEquityLoanByCallReportCodeMember2019-12-310001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberus-gaap:ConsumerPortfolioSegmentMemberbhlb:HomeEquityLoanByCallReportCodeMember2019-12-310001108134us-gaap:ConsumerPortfolioSegmentMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMemberbhlb:HomeEquityLoanByCallReportCodeMember2020-01-010001108134us-gaap:ConsumerPortfolioSegmentMemberbhlb:ConsumerOtherMember2019-12-310001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberus-gaap:ConsumerPortfolioSegmentMemberbhlb:ConsumerOtherMember2019-12-310001108134us-gaap:ConsumerPortfolioSegmentMemberbhlb:ConsumerOtherMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember2020-01-010001108134srt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember2020-01-010001108134us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2020-09-300001108134us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2020-01-010001108134us-gaap:CommercialPortfolioSegmentMemberbhlb:CommercialMultifamilyMember2020-09-300001108134us-gaap:CommercialPortfolioSegmentMemberbhlb:CommercialMultifamilyMember2020-01-010001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateOwnerOccupiedMember2020-09-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateOwnerOccupiedMember2020-01-010001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateNonOwnerOccupiedMember2020-09-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateNonOwnerOccupiedMember2020-01-010001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2020-09-300001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2020-01-010001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberbhlb:CommercialAndIndustrialOtherMember2020-09-300001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberbhlb:CommercialAndIndustrialOtherMember2020-01-010001108134us-gaap:ResidentialPortfolioSegmentMemberus-gaap:RealEstateLoanMember2020-09-300001108134us-gaap:ResidentialPortfolioSegmentMemberus-gaap:RealEstateLoanMember2020-01-010001108134us-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMember2020-09-300001108134us-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMember2020-01-010001108134us-gaap:ConsumerPortfolioSegmentMemberbhlb:ConsumerOtherMember2020-09-300001108134us-gaap:ConsumerPortfolioSegmentMemberbhlb:ConsumerOtherMember2020-01-0100011081342020-01-010001108134bhlb:SmallBusinessAdministrationSBACARESActPaycheckProtectionProgramMember2020-09-300001108134us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2020-06-300001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2020-06-300001108134us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember2020-06-300001108134us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2020-07-012020-09-300001108134us-gaap:CommercialPortfolioSegmentMemberbhlb:CommercialMultifamilyMember2020-06-300001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberus-gaap:CommercialPortfolioSegmentMemberbhlb:CommercialMultifamilyMember2020-06-300001108134us-gaap:CommercialPortfolioSegmentMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMemberbhlb:CommercialMultifamilyMember2020-06-300001108134us-gaap:CommercialPortfolioSegmentMemberbhlb:CommercialMultifamilyMember2020-07-012020-09-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateOwnerOccupiedMember2020-06-300001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateOwnerOccupiedMember2020-06-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateOwnerOccupiedMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember2020-06-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateOwnerOccupiedMember2020-07-012020-09-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateNonOwnerOccupiedMember2020-06-300001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateNonOwnerOccupiedMember2020-06-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateNonOwnerOccupiedMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember2020-06-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateNonOwnerOccupiedMember2020-07-012020-09-300001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2020-06-300001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2020-06-300001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember2020-06-300001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2020-07-012020-09-300001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberbhlb:CommercialAndIndustrialOtherMember2020-06-300001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberbhlb:CommercialAndIndustrialOtherMember2020-06-300001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberbhlb:CommercialAndIndustrialOtherMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember2020-06-300001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberbhlb:CommercialAndIndustrialOtherMember2020-07-012020-09-300001108134us-gaap:ResidentialPortfolioSegmentMemberus-gaap:RealEstateLoanMember2020-06-300001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:RealEstateLoanMember2020-06-300001108134us-gaap:ResidentialPortfolioSegmentMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMemberus-gaap:RealEstateLoanMember2020-06-300001108134us-gaap:ResidentialPortfolioSegmentMemberus-gaap:RealEstateLoanMember2020-07-012020-09-300001108134us-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMember2020-06-300001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberus-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMember2020-06-300001108134us-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember2020-06-300001108134us-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMember2020-07-012020-09-300001108134us-gaap:ConsumerPortfolioSegmentMemberbhlb:ConsumerOtherMember2020-06-300001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberus-gaap:ConsumerPortfolioSegmentMemberbhlb:ConsumerOtherMember2020-06-300001108134us-gaap:ConsumerPortfolioSegmentMemberbhlb:ConsumerOtherMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember2020-06-300001108134us-gaap:ConsumerPortfolioSegmentMemberbhlb:ConsumerOtherMember2020-07-012020-09-300001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMember2020-06-300001108134srt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember2020-06-300001108134us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember2019-12-310001108134us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2020-01-012020-09-300001108134us-gaap:CommercialPortfolioSegmentMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMemberbhlb:CommercialMultifamilyMember2019-12-310001108134us-gaap:CommercialPortfolioSegmentMemberbhlb:CommercialMultifamilyMember2020-01-012020-09-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateOwnerOccupiedMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember2019-12-310001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateOwnerOccupiedMember2020-01-012020-09-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateNonOwnerOccupiedMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember2019-12-310001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateNonOwnerOccupiedMember2020-01-012020-09-300001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2019-12-310001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2019-12-310001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember2019-12-310001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2020-01-012020-09-300001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberbhlb:CommercialAndIndustrialOtherMember2019-12-310001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberbhlb:CommercialAndIndustrialOtherMember2019-12-310001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberbhlb:CommercialAndIndustrialOtherMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember2019-12-310001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberbhlb:CommercialAndIndustrialOtherMember2020-01-012020-09-300001108134us-gaap:ResidentialPortfolioSegmentMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMemberus-gaap:RealEstateLoanMember2019-12-310001108134us-gaap:ResidentialPortfolioSegmentMemberus-gaap:RealEstateLoanMember2020-01-012020-09-300001108134us-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberus-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134us-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember2019-12-310001108134us-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMember2020-01-012020-09-300001108134us-gaap:ConsumerPortfolioSegmentMemberbhlb:ConsumerOtherMembersrt:CumulativeEffectPeriodOfAdoptionAdjustedBalanceMember2019-12-310001108134us-gaap:ConsumerPortfolioSegmentMemberbhlb:ConsumerOtherMember2020-01-012020-09-300001108134us-gaap:PassMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2020-09-300001108134us-gaap:ConstructionLoansMemberus-gaap:SpecialMentionMemberus-gaap:CommercialPortfolioSegmentMember2020-09-300001108134us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:SubstandardMember2020-09-300001108134us-gaap:PassMemberus-gaap:CommercialPortfolioSegmentMemberbhlb:CommercialMultifamilyMember2020-09-300001108134us-gaap:SpecialMentionMemberus-gaap:CommercialPortfolioSegmentMemberbhlb:CommercialMultifamilyMember2020-09-300001108134us-gaap:CommercialPortfolioSegmentMemberus-gaap:SubstandardMemberbhlb:CommercialMultifamilyMember2020-09-300001108134us-gaap:PassMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateOwnerOccupiedMember2020-09-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:SpecialMentionMemberbhlb:RealEstateOwnerOccupiedMember2020-09-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateOwnerOccupiedMemberus-gaap:SubstandardMember2020-09-300001108134us-gaap:PassMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateNonOwnerOccupiedMember2020-09-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:SpecialMentionMemberbhlb:RealEstateNonOwnerOccupiedMember2020-09-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateNonOwnerOccupiedMemberus-gaap:SubstandardMember2020-09-300001108134us-gaap:PassMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2020-09-300001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberus-gaap:SpecialMentionMember2020-09-300001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberus-gaap:SubstandardMember2020-09-300001108134us-gaap:DoubtfulMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2020-09-300001108134us-gaap:PassMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberbhlb:CommercialAndIndustrialOtherMember2020-09-300001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberus-gaap:SpecialMentionMemberbhlb:CommercialAndIndustrialOtherMember2020-09-300001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberbhlb:CommercialAndIndustrialOtherMemberus-gaap:SubstandardMember2020-09-300001108134us-gaap:DoubtfulMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberbhlb:CommercialAndIndustrialOtherMember2020-09-300001108134us-gaap:PassMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:RealEstateLoanMember2020-09-300001108134us-gaap:SpecialMentionMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:RealEstateLoanMember2020-09-300001108134us-gaap:ResidentialPortfolioSegmentMemberus-gaap:RealEstateLoanMemberus-gaap:SubstandardMember2020-09-300001108134us-gaap:PerformingFinancingReceivableMemberus-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMember2020-09-300001108134us-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:NonperformingFinancingReceivableMember2020-09-300001108134us-gaap:PerformingFinancingReceivableMemberus-gaap:ConsumerPortfolioSegmentMemberbhlb:ConsumerOtherMember2020-09-300001108134us-gaap:ConsumerPortfolioSegmentMemberbhlb:ConsumerOtherMemberus-gaap:NonperformingFinancingReceivableMember2020-09-300001108134us-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2020-09-300001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2020-09-300001108134us-gaap:ConstructionLoansMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMember2020-09-300001108134us-gaap:CommercialPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberbhlb:CommercialMultifamilyMember2020-09-300001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMemberbhlb:CommercialMultifamilyMember2020-09-300001108134us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:CommercialPortfolioSegmentMemberbhlb:CommercialMultifamilyMember2020-09-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateOwnerOccupiedMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2020-09-300001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateOwnerOccupiedMember2020-09-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberbhlb:RealEstateOwnerOccupiedMember2020-09-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateNonOwnerOccupiedMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2020-09-300001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateNonOwnerOccupiedMember2020-09-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberbhlb:RealEstateNonOwnerOccupiedMember2020-09-300001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2020-09-300001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2020-09-300001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2020-09-300001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberbhlb:CommercialAndIndustrialOtherMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2020-09-300001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberbhlb:CommercialAndIndustrialOtherMember2020-09-300001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberbhlb:CommercialAndIndustrialOtherMember2020-09-300001108134us-gaap:ResidentialPortfolioSegmentMemberus-gaap:RealEstateLoanMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2020-09-300001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:RealEstateLoanMember2020-09-300001108134us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:RealEstateLoanMember2020-09-300001108134us-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2020-09-300001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMember2020-09-300001108134us-gaap:HomeEquityLoanMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2020-09-300001108134us-gaap:ConsumerPortfolioSegmentMemberbhlb:ConsumerOtherMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2020-09-300001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMemberbhlb:ConsumerOtherMember2020-09-300001108134us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMemberbhlb:ConsumerOtherMember2020-09-300001108134us-gaap:FinancingReceivables30To59DaysPastDueMember2020-09-300001108134us-gaap:FinancingReceivables60To89DaysPastDueMember2020-09-300001108134us-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2020-09-300001108134us-gaap:ConstructionLoansMemberus-gaap:RealEstateMemberus-gaap:CommercialPortfolioSegmentMember2020-09-300001108134us-gaap:ConstructionLoansMemberbhlb:InvestmentSecuritiesandCashMemberus-gaap:CommercialPortfolioSegmentMember2020-09-300001108134bhlb:OtherCollateralMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialPortfolioSegmentMember2020-09-300001108134us-gaap:RealEstateMemberus-gaap:CommercialPortfolioSegmentMemberbhlb:CommercialMultifamilyMember2020-09-300001108134bhlb:InvestmentSecuritiesandCashMemberus-gaap:CommercialPortfolioSegmentMemberbhlb:CommercialMultifamilyMember2020-09-300001108134bhlb:OtherCollateralMemberus-gaap:CommercialPortfolioSegmentMemberbhlb:CommercialMultifamilyMember2020-09-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:RealEstateMemberbhlb:RealEstateOwnerOccupiedMember2020-09-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:InvestmentSecuritiesandCashMemberbhlb:RealEstateOwnerOccupiedMember2020-09-300001108134bhlb:OtherCollateralMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateOwnerOccupiedMember2020-09-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:RealEstateMemberbhlb:RealEstateNonOwnerOccupiedMember2020-09-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:InvestmentSecuritiesandCashMemberbhlb:RealEstateNonOwnerOccupiedMember2020-09-300001108134bhlb:OtherCollateralMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:RealEstateNonOwnerOccupiedMember2020-09-300001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberus-gaap:RealEstateMember2020-09-300001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberbhlb:InvestmentSecuritiesandCashMember2020-09-300001108134bhlb:OtherCollateralMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2020-09-300001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberus-gaap:RealEstateMemberbhlb:CommercialAndIndustrialOtherMember2020-09-300001108134bhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberbhlb:InvestmentSecuritiesandCashMemberbhlb:CommercialAndIndustrialOtherMember2020-09-300001108134bhlb:OtherCollateralMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberbhlb:CommercialAndIndustrialOtherMember2020-09-300001108134us-gaap:RealEstateMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:RealEstateLoanMember2020-09-300001108134bhlb:InvestmentSecuritiesandCashMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:RealEstateLoanMember2020-09-300001108134bhlb:OtherCollateralMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:RealEstateLoanMember2020-09-300001108134us-gaap:HomeEquityLoanMemberus-gaap:RealEstateMemberus-gaap:ConsumerPortfolioSegmentMember2020-09-300001108134us-gaap:HomeEquityLoanMemberbhlb:InvestmentSecuritiesandCashMemberus-gaap:ConsumerPortfolioSegmentMember2020-09-300001108134bhlb:OtherCollateralMemberus-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMember2020-09-300001108134us-gaap:RealEstateMemberus-gaap:ConsumerPortfolioSegmentMemberbhlb:ConsumerOtherMember2020-09-300001108134bhlb:InvestmentSecuritiesandCashMemberus-gaap:ConsumerPortfolioSegmentMemberbhlb:ConsumerOtherMember2020-09-300001108134bhlb:OtherCollateralMemberus-gaap:ConsumerPortfolioSegmentMemberbhlb:ConsumerOtherMember2020-09-300001108134us-gaap:RealEstateMember2020-09-300001108134bhlb:InvestmentSecuritiesandCashMember2020-09-300001108134bhlb:OtherCollateralMember2020-09-30bhlb:Loan0001108134us-gaap:ConstructionLoansMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2019-12-310001108134us-gaap:ConstructionLoansMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2019-12-310001108134bhlb:OtherReceivableMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMember2019-12-310001108134bhlb:OtherReceivableMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2019-12-310001108134bhlb:OtherReceivableMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2019-12-310001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2019-12-310001108134us-gaap:CommercialRealEstatePortfolioSegmentMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:CommercialPortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:CommercialPortfolioSegmentMember2019-12-310001108134us-gaap:CommercialPortfolioSegmentMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:ResidentialPortfolioSegmentMemberbhlb:A1to4FamilyMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ResidentialPortfolioSegmentMemberbhlb:A1to4FamilyMember2019-12-310001108134us-gaap:ResidentialPortfolioSegmentMemberbhlb:A1to4FamilyMember2019-12-310001108134us-gaap:ConstructionLoansMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConstructionLoansMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310001108134us-gaap:ConstructionLoansMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310001108134us-gaap:ResidentialPortfolioSegmentMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberbhlb:AutoAndOtherReceivableMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberbhlb:AutoAndOtherReceivableMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134bhlb:AutoAndOtherReceivableMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134us-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMember2019-12-310001108134us-gaap:ConstructionLoansMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2019-12-310001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMember2019-12-310001108134us-gaap:ConstructionLoansMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2019-12-310001108134bhlb:OtherReceivableMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2019-12-310001108134bhlb:OtherReceivableMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMember2019-12-310001108134bhlb:OtherReceivableMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2019-12-310001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2019-12-310001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMember2019-12-310001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2019-12-310001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberbhlb:LoansFromBusinessActivitiesMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberbhlb:A1to4FamilyMember2019-12-310001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:ResidentialPortfolioSegmentMemberbhlb:A1to4FamilyMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ResidentialPortfolioSegmentMemberbhlb:A1to4FamilyMember2019-12-310001108134us-gaap:ConstructionLoansMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2019-12-310001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberus-gaap:ConstructionLoansMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310001108134us-gaap:ConstructionLoansMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2019-12-310001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2019-12-310001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:HomeEquityLoanMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberbhlb:AutoAndOtherReceivableMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2019-12-310001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberbhlb:LoansFromBusinessActivitiesMemberbhlb:AutoAndOtherReceivableMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberbhlb:AutoAndOtherReceivableMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2019-12-310001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2019-12-310001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberbhlb:LoansFromBusinessActivitiesMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2019-12-310001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2019-12-310001108134bhlb:OtherReceivableMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2019-12-310001108134bhlb:OtherReceivableMemberus-gaap:FinancingReceivables60To89DaysPastDueMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2019-12-310001108134bhlb:OtherReceivableMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2019-12-310001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2019-12-310001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMemberbhlb:A1to4FamilyMember2019-12-310001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ResidentialPortfolioSegmentMemberbhlb:A1to4FamilyMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ResidentialPortfolioSegmentMemberbhlb:A1to4FamilyMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConstructionLoansMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2019-12-310001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConstructionLoansMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConstructionLoansMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2019-12-310001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2019-12-310001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:HomeEquityLoanMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberbhlb:AutoAndOtherReceivableMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2019-12-310001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberbhlb:AutoAndOtherReceivableMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberbhlb:AutoAndOtherReceivableMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2019-12-310001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:FinancingReceivables30To59DaysPastDueMember2019-12-310001108134us-gaap:FinancingReceivables60To89DaysPastDueMemberbhlb:LoansAcquiredFromBusinessCombinationsMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:FinancingReceivablesEqualToGreaterThan90DaysPastDueMember2019-12-310001108134bhlb:OtherReceivableMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134bhlb:OtherReceivableMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134bhlb:OtherReceivableMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMember2019-01-012019-12-310001108134bhlb:OtherReceivableMemberbhlb:LoansFromBusinessActivitiesMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2019-01-012019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:ResidentialPortfolioSegmentMemberbhlb:A1to4FamilyMember2019-01-012019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMember2019-01-012019-12-310001108134bhlb:OtherReceivableMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:ConsumerPortfolioSegmentMember2019-01-012019-12-310001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMember2019-01-012019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2019-01-012019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:ResidentialPortfolioSegmentMember2019-01-012019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:ConsumerPortfolioSegmentMember2019-01-012019-12-310001108134bhlb:LoansFromBusinessActivitiesMember2019-01-012019-12-310001108134bhlb:OtherReceivableMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2019-01-012019-12-310001108134bhlb:OtherReceivableMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2019-01-012019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ResidentialPortfolioSegmentMemberbhlb:A1to4FamilyMember2019-01-012019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMember2019-01-012019-12-310001108134bhlb:OtherReceivableMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConsumerPortfolioSegmentMember2019-01-012019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2019-01-012019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2019-01-012019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ResidentialPortfolioSegmentMember2019-01-012019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConsumerPortfolioSegmentMember2019-01-012019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMember2019-01-012019-12-31bhlb:modification0001108134bhlb:OtherReceivableMemberus-gaap:CommercialPortfolioSegmentMember2019-07-012019-09-300001108134bhlb:OtherReceivableMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2019-07-012019-09-300001108134us-gaap:ResidentialPortfolioSegmentMemberbhlb:A1to4FamilyMember2019-07-012019-09-300001108134bhlb:OtherReceivableMemberus-gaap:CommercialPortfolioSegmentMember2019-01-012019-09-300001108134bhlb:OtherReceivableMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2019-01-012019-09-300001108134us-gaap:ResidentialPortfolioSegmentMemberbhlb:A1to4FamilyMember2019-01-012019-09-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMember2019-06-300001108134bhlb:LoansFromBusinessActivitiesMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2019-06-300001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:ResidentialPortfolioSegmentMember2019-06-300001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:ConsumerPortfolioSegmentMember2019-06-300001108134bhlb:LoansFromBusinessActivitiesMember2019-06-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMember2019-07-012019-09-300001108134bhlb:LoansFromBusinessActivitiesMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2019-07-012019-09-300001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:ResidentialPortfolioSegmentMember2019-07-012019-09-300001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:ConsumerPortfolioSegmentMember2019-07-012019-09-300001108134bhlb:LoansFromBusinessActivitiesMember2019-07-012019-09-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMember2019-09-300001108134bhlb:LoansFromBusinessActivitiesMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2019-09-300001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:ResidentialPortfolioSegmentMember2019-09-300001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:ConsumerPortfolioSegmentMember2019-09-300001108134bhlb:LoansFromBusinessActivitiesMember2019-09-300001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMember2018-12-310001108134bhlb:LoansFromBusinessActivitiesMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2018-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:ResidentialPortfolioSegmentMember2018-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:ConsumerPortfolioSegmentMember2018-12-310001108134bhlb:LoansFromBusinessActivitiesMember2018-12-310001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMember2019-01-012019-09-300001108134bhlb:LoansFromBusinessActivitiesMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2019-01-012019-09-300001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:ResidentialPortfolioSegmentMember2019-01-012019-09-300001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:ConsumerPortfolioSegmentMember2019-01-012019-09-300001108134bhlb:LoansFromBusinessActivitiesMember2019-01-012019-09-300001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2019-06-300001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2019-06-300001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ResidentialPortfolioSegmentMember2019-06-300001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConsumerPortfolioSegmentMember2019-06-300001108134bhlb:LoansAcquiredFromBusinessCombinationsMember2019-06-300001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2019-07-012019-09-300001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2019-07-012019-09-300001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ResidentialPortfolioSegmentMember2019-07-012019-09-300001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConsumerPortfolioSegmentMember2019-07-012019-09-300001108134bhlb:LoansAcquiredFromBusinessCombinationsMember2019-07-012019-09-300001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2019-09-300001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2019-09-300001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ResidentialPortfolioSegmentMember2019-09-300001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConsumerPortfolioSegmentMember2019-09-300001108134bhlb:LoansAcquiredFromBusinessCombinationsMember2019-09-300001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2018-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2018-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ResidentialPortfolioSegmentMember2018-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConsumerPortfolioSegmentMember2018-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMember2018-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2019-01-012019-09-300001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2019-01-012019-09-300001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ResidentialPortfolioSegmentMember2019-01-012019-09-300001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConsumerPortfolioSegmentMember2019-01-012019-09-300001108134bhlb:LoansAcquiredFromBusinessCombinationsMember2019-01-012019-09-300001108134us-gaap:PassMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMember2019-12-310001108134us-gaap:PassMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:RealEstateLoanMember2019-12-310001108134us-gaap:PassMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMember2019-12-310001108134us-gaap:ConstructionLoansMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:SpecialMentionMember2019-12-310001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:SpecialMentionMemberus-gaap:RealEstateLoanMember2019-12-310001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:SpecialMentionMember2019-12-310001108134us-gaap:ConstructionLoansMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:SubstandardMember2019-12-310001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:RealEstateLoanMemberus-gaap:SubstandardMember2019-12-310001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:SubstandardMember2019-12-310001108134us-gaap:CommercialRealEstatePortfolioSegmentMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:RealEstateLoanMember2019-12-310001108134us-gaap:PassMemberbhlb:LoansFromBusinessActivitiesMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberus-gaap:SpecialMentionMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberus-gaap:SubstandardMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:DoubtfulMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2019-12-310001108134us-gaap:PassMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:ResidentialPortfolioSegmentMemberbhlb:A1to4FamilyMember2019-12-310001108134us-gaap:PassMemberus-gaap:ConstructionLoansMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310001108134us-gaap:PassMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:SpecialMentionMemberus-gaap:ResidentialPortfolioSegmentMemberbhlb:A1to4FamilyMember2019-12-310001108134us-gaap:ConstructionLoansMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:SpecialMentionMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:SpecialMentionMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:SubstandardMemberbhlb:A1to4FamilyMember2019-12-310001108134us-gaap:ConstructionLoansMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:SubstandardMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:SubstandardMember2019-12-310001108134us-gaap:PerformingFinancingReceivableMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134us-gaap:PerformingFinancingReceivableMemberbhlb:LoansFromBusinessActivitiesMemberbhlb:AutoAndOtherReceivableMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134us-gaap:PerformingFinancingReceivableMemberbhlb:LoansFromBusinessActivitiesMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:NonperformingFinancingReceivableMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberbhlb:AutoAndOtherReceivableMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:NonperformingFinancingReceivableMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:NonperformingFinancingReceivableMember2019-12-310001108134us-gaap:PassMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2019-12-310001108134us-gaap:PassMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:RealEstateLoanMember2019-12-310001108134us-gaap:PassMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:CommercialRealEstatePortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:SpecialMentionMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:SpecialMentionMemberus-gaap:RealEstateLoanMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:SpecialMentionMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConstructionLoansMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:SubstandardMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:RealEstateLoanMemberus-gaap:SubstandardMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:SubstandardMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:CommercialRealEstatePortfolioSegmentMemberus-gaap:RealEstateLoanMember2019-12-310001108134us-gaap:PassMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberus-gaap:SpecialMentionMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberbhlb:CommercialAndIndustrialLoansPortfolioSegmentMemberus-gaap:SubstandardMember2019-12-310001108134us-gaap:PassMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ResidentialPortfolioSegmentMemberbhlb:A1to4FamilyMember2019-12-310001108134us-gaap:PassMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConstructionLoansMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310001108134us-gaap:PassMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:SpecialMentionMemberus-gaap:ResidentialPortfolioSegmentMemberbhlb:A1to4FamilyMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConstructionLoansMemberus-gaap:SpecialMentionMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:SpecialMentionMemberus-gaap:ResidentialPortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:SubstandardMemberbhlb:A1to4FamilyMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConstructionLoansMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:SubstandardMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ResidentialPortfolioSegmentMemberus-gaap:SubstandardMember2019-12-310001108134us-gaap:PerformingFinancingReceivableMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134us-gaap:PerformingFinancingReceivableMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberbhlb:AutoAndOtherReceivableMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134us-gaap:PerformingFinancingReceivableMemberbhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConsumerPortfolioSegmentMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:HomeEquityLoanMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:NonperformingFinancingReceivableMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberbhlb:AutoAndOtherReceivableMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:NonperformingFinancingReceivableMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:ConsumerPortfolioSegmentMemberus-gaap:NonperformingFinancingReceivableMember2019-12-310001108134bhlb:NonAccrualMemberbhlb:LoansFromBusinessActivitiesMember2019-12-310001108134bhlb:NonAccrualMemberbhlb:LoansAcquiredFromBusinessCombinationsMember2019-12-310001108134bhlb:NonAccrualMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:SubstandardMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:SubstandardMember2019-12-310001108134us-gaap:SubstandardMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberbhlb:ClassifiedMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberbhlb:ClassifiedMember2019-12-310001108134bhlb:ClassifiedMember2019-12-310001108134bhlb:LoansFromBusinessActivitiesMemberus-gaap:SpecialMentionMember2019-12-310001108134bhlb:LoansAcquiredFromBusinessCombinationsMemberus-gaap:SpecialMentionMember2019-12-310001108134us-gaap:SpecialMentionMember2019-12-310001108134us-gaap:CriticizedMemberbhlb:LoansFromBusinessActivitiesMember2019-12-310001108134us-gaap:CriticizedMemberbhlb:LoansAcquiredFromBusinessCombinationsMember2019-12-310001108134us-gaap:CriticizedMember2019-12-310001108134us-gaap:FederalHomeLoanBankCertificatesAndObligationsFHLBMember2020-09-300001108134us-gaap:FederalHomeLoanBankCertificatesAndObligationsFHLBMember2019-12-310001108134bhlb:PaycheckProtectionProgramCARESActMember2020-09-300001108134bhlb:PaycheckProtectionProgramCARESActMember2019-12-310001108134bhlb:PrivatePlacementSubordinatedNotesMember2020-09-300001108134bhlb:PrivatePlacementSubordinatedNotesMember2019-12-310001108134bhlb:BerkshireHillsCapitalTrustIMember2020-09-300001108134bhlb:BerkshireHillsCapitalTrustIMember2019-12-310001108134bhlb:SICapitalTrustIIMember2020-09-300001108134bhlb:SICapitalTrustIIMember2019-12-310001108134us-gaap:FederalReserveBankAdvancesMember2020-09-300001108134us-gaap:FederalReserveBankAdvancesMember2019-12-310001108134bhlb:FederalHomeLoanBankCertificatesAndObligationsFHLBCallableAdvancesMember2020-09-300001108134bhlb:FederalHomeLoanBankCertificatesAndObligationsFHLBAmortizingAdvancesMember2020-09-300001108134bhlb:FederalHomeLoanBankCertificatesAndObligationsFHLBCallableAdvancesMember2019-12-310001108134bhlb:FederalHomeLoanBankCertificatesAndObligationsFHLBAmortizingAdvancesMember2019-12-310001108134bhlb:FederalHomeLoanBankFixedRateAdvancesMember2020-09-300001108134srt:WeightedAverageMemberbhlb:FederalHomeLoanBankFixedRateAdvancesMember2020-09-300001108134bhlb:PrivatePlacementSubordinatedNotesMember2012-09-012012-09-300001108134bhlb:PrivatePlacementSubordinatedNotesMember2012-09-300001108134bhlb:PrivatePlacementSubordinatedNotesMemberus-gaap:LondonInterbankOfferedRateLIBORMember2012-09-012012-09-300001108134bhlb:PrivatePlacementSubordinatedNotesMemberus-gaap:LondonInterbankOfferedRateLIBORMember2020-09-300001108134bhlb:PrivatePlacementSubordinatedNotesMemberus-gaap:LondonInterbankOfferedRateLIBORMember2019-12-310001108134us-gaap:JuniorSubordinatedDebtMemberbhlb:BerkshireHillsCapitalTrustIMember2020-09-300001108134us-gaap:LondonInterbankOfferedRateLIBORMemberus-gaap:JuniorSubordinatedDebtMemberbhlb:BerkshireHillsCapitalTrustIMember2020-01-012020-09-300001108134us-gaap:JuniorSubordinatedDebtMemberbhlb:BerkshireHillsCapitalTrustIMember2019-12-310001108134us-gaap:JuniorSubordinatedDebtMemberbhlb:BerkshireHillsCapitalTrustIMember2020-01-012020-09-300001108134bhlb:SICapitalTrustIIMemberus-gaap:JuniorSubordinatedDebtMember2020-09-300001108134bhlb:SICapitalTrustIIMemberus-gaap:LondonInterbankOfferedRateLIBORMemberus-gaap:JuniorSubordinatedDebtMember2020-01-012020-09-300001108134bhlb:SICapitalTrustIIMemberus-gaap:JuniorSubordinatedDebtMember2019-12-310001108134bhlb:SICapitalTrustIIMemberus-gaap:JuniorSubordinatedDebtMember2020-01-012020-09-300001108134bhlb:EconomicHedgingMember2020-09-300001108134us-gaap:NondesignatedMember2020-09-300001108134bhlb:EconomicHedgingMemberus-gaap:InterestRateSwapMember2020-09-300001108134bhlb:EconomicHedgingMemberbhlb:RiskParticipationAgreementsMember2020-09-300001108134bhlb:ForwardCommitmentsMemberbhlb:EconomicHedgingMember2020-09-300001108134us-gaap:NontaxableMunicipalBondsMemberus-gaap:DesignatedAsHedgingInstrumentMemberbhlb:EconomicHedgingMemberus-gaap:InterestRateSwapMember2020-09-300001108134us-gaap:NontaxableMunicipalBondsMemberus-gaap:DesignatedAsHedgingInstrumentMemberbhlb:EconomicHedgingMemberus-gaap:InterestRateSwapMember2020-01-012020-09-300001108134us-gaap:DesignatedAsHedgingInstrumentMemberbhlb:EconomicHedgingMemberus-gaap:CommercialPaperMemberus-gaap:InterestRateSwapMember2020-09-300001108134us-gaap:DesignatedAsHedgingInstrumentMemberbhlb:EconomicHedgingMemberus-gaap:CommercialPaperMemberus-gaap:InterestRateSwapMember2020-01-012020-09-300001108134bhlb:ReverseInterestRateSwapsMemberus-gaap:DesignatedAsHedgingInstrumentMemberbhlb:EconomicHedgingMemberus-gaap:CommercialPaperMember2020-09-300001108134bhlb:ReverseInterestRateSwapsMemberus-gaap:DesignatedAsHedgingInstrumentMemberbhlb:EconomicHedgingMemberus-gaap:CommercialPaperMember2020-01-012020-09-300001108134us-gaap:DesignatedAsHedgingInstrumentMemberbhlb:EconomicHedgingMemberbhlb:RiskParticipationAgreementsMember2020-09-300001108134us-gaap:DesignatedAsHedgingInstrumentMemberbhlb:EconomicHedgingMemberbhlb:RiskParticipationAgreementsMember2020-01-012020-09-300001108134us-gaap:DesignatedAsHedgingInstrumentMemberbhlb:ForwardCommitmentsMemberbhlb:EconomicHedgingMember2020-09-300001108134us-gaap:DesignatedAsHedgingInstrumentMemberbhlb:ForwardCommitmentsMemberbhlb:EconomicHedgingMember2020-01-012020-09-300001108134us-gaap:DesignatedAsHedgingInstrumentMemberbhlb:EconomicHedgingMember2020-09-300001108134us-gaap:CommitmentsToExtendCreditMemberus-gaap:NondesignatedMember2020-09-300001108134us-gaap:CommitmentsToExtendCreditMemberus-gaap:NondesignatedMember2020-01-012020-09-300001108134us-gaap:NontaxableMunicipalBondsMemberus-gaap:DesignatedAsHedgingInstrumentMemberbhlb:EconomicHedgingMemberus-gaap:InterestRateSwapMember2019-12-310001108134us-gaap:NontaxableMunicipalBondsMemberus-gaap:DesignatedAsHedgingInstrumentMemberbhlb:EconomicHedgingMemberus-gaap:InterestRateSwapMember2019-01-012019-12-310001108134us-gaap:DesignatedAsHedgingInstrumentMemberbhlb:EconomicHedgingMemberus-gaap:CommercialPaperMemberus-gaap:InterestRateSwapMember2019-12-310001108134us-gaap:DesignatedAsHedgingInstrumentMemberbhlb:EconomicHedgingMemberus-gaap:CommercialPaperMemberus-gaap:InterestRateSwapMember2019-01-012019-12-310001108134bhlb:ReverseInterestRateSwapsMemberus-gaap:DesignatedAsHedgingInstrumentMemberbhlb:EconomicHedgingMemberus-gaap:CommercialPaperMember2019-12-310001108134bhlb:ReverseInterestRateSwapsMemberus-gaap:DesignatedAsHedgingInstrumentMemberbhlb:EconomicHedgingMemberus-gaap:CommercialPaperMember2019-01-012019-12-310001108134us-gaap:DesignatedAsHedgingInstrumentMemberbhlb:EconomicHedgingMemberbhlb:RiskParticipationAgreementsMember2019-12-310001108134us-gaap:DesignatedAsHedgingInstrumentMemberbhlb:EconomicHedgingMemberbhlb:RiskParticipationAgreementsMember2019-01-012019-12-310001108134us-gaap:DesignatedAsHedgingInstrumentMemberbhlb:ForwardCommitmentsMemberbhlb:EconomicHedgingMember2019-12-310001108134us-gaap:DesignatedAsHedgingInstrumentMemberbhlb:ForwardCommitmentsMemberbhlb:EconomicHedgingMember2019-01-012019-12-310001108134us-gaap:DesignatedAsHedgingInstrumentMemberbhlb:EconomicHedgingMember2019-12-310001108134us-gaap:CommitmentsToExtendCreditMemberus-gaap:NondesignatedMember2019-12-310001108134us-gaap:CommitmentsToExtendCreditMemberus-gaap:NondesignatedMember2019-01-012019-12-310001108134us-gaap:NondesignatedMember2019-12-310001108134us-gaap:InterestRateSwapMember2020-09-300001108134us-gaap:NontaxableMunicipalBondsMemberbhlb:EconomicHedgingMember2020-09-300001108134us-gaap:NontaxableMunicipalBondsMemberbhlb:EconomicHedgingMember2020-01-012020-09-300001108134bhlb:EconomicHedgingMemberus-gaap:InterestRateSwapMemberbhlb:IndustrialRevenueBondMember2020-07-012020-09-300001108134bhlb:EconomicHedgingMemberus-gaap:InterestRateSwapMemberbhlb:IndustrialRevenueBondMember2019-07-012019-09-300001108134bhlb:EconomicHedgingMemberus-gaap:InterestRateSwapMemberbhlb:IndustrialRevenueBondMember2020-01-012020-09-300001108134bhlb:EconomicHedgingMemberus-gaap:InterestRateSwapMemberbhlb:IndustrialRevenueBondMember2019-01-012019-09-300001108134bhlb:EconomicHedgingMemberus-gaap:CommercialPaperMemberus-gaap:InterestRateSwapMember2020-07-012020-09-300001108134bhlb:EconomicHedgingMemberus-gaap:CommercialPaperMemberus-gaap:InterestRateSwapMember2019-07-012019-09-300001108134bhlb:EconomicHedgingMemberus-gaap:CommercialPaperMemberus-gaap:InterestRateSwapMember2020-01-012020-09-300001108134bhlb:EconomicHedgingMemberus-gaap:CommercialPaperMemberus-gaap:InterestRateSwapMember2019-01-012019-09-300001108134bhlb:ReverseInterestRateSwapsMemberbhlb:EconomicHedgingMemberus-gaap:CommercialPaperMember2020-07-012020-09-300001108134bhlb:ReverseInterestRateSwapsMemberbhlb:EconomicHedgingMemberus-gaap:CommercialPaperMember2019-07-012019-09-300001108134bhlb:ReverseInterestRateSwapsMemberbhlb:EconomicHedgingMemberus-gaap:CommercialPaperMember2020-01-012020-09-300001108134bhlb:ReverseInterestRateSwapsMemberbhlb:EconomicHedgingMemberus-gaap:CommercialPaperMember2019-01-012019-09-300001108134bhlb:EconomicHedgingMemberbhlb:RiskParticipationAgreementsMember2020-07-012020-09-300001108134bhlb:EconomicHedgingMemberbhlb:RiskParticipationAgreementsMember2019-07-012019-09-300001108134bhlb:EconomicHedgingMemberbhlb:RiskParticipationAgreementsMember2020-01-012020-09-300001108134bhlb:EconomicHedgingMemberbhlb:RiskParticipationAgreementsMember2019-01-012019-09-300001108134bhlb:ForwardCommitmentsMemberbhlb:EconomicHedgingMember2020-07-012020-09-300001108134bhlb:ForwardCommitmentsMemberbhlb:EconomicHedgingMember2019-07-012019-09-300001108134bhlb:ForwardCommitmentsMemberbhlb:EconomicHedgingMember2020-01-012020-09-300001108134bhlb:ForwardCommitmentsMemberbhlb:EconomicHedgingMember2019-01-012019-09-300001108134us-gaap:CommitmentsToExtendCreditMemberbhlb:NonhedgingMember2020-07-012020-09-300001108134us-gaap:CommitmentsToExtendCreditMemberbhlb:NonhedgingMember2019-07-012019-09-300001108134us-gaap:CommitmentsToExtendCreditMemberbhlb:NonhedgingMember2020-01-012020-09-300001108134us-gaap:CommitmentsToExtendCreditMemberbhlb:NonhedgingMember2019-01-012019-09-300001108134bhlb:CommercialCounterpartiesMember2020-09-300001108134bhlb:CommercialCounterpartiesMember2019-12-310001108134bhlb:CommercialCounterpartiesMemberus-gaap:InterestRateSwapMember2020-09-300001108134bhlb:CommercialCounterpartiesMemberus-gaap:InterestRateSwapMember2019-12-310001108134us-gaap:InterestRateSwapMemberbhlb:InstitutionalCounterpartiesMember2020-09-300001108134us-gaap:InterestRateSwapMemberbhlb:InstitutionalCounterpartiesMember2019-12-310001108134us-gaap:InterestRateSwapMember2019-12-310001108134srt:MinimumMember2020-09-300001108134srt:MaximumMember2020-09-300001108134us-gaap:SegmentDiscontinuedOperationsMember2020-09-300001108134us-gaap:SegmentDiscontinuedOperationsMember2019-12-310001108134us-gaap:SegmentDiscontinuedOperationsMember2020-07-012020-09-300001108134us-gaap:SegmentDiscontinuedOperationsMember2020-01-012020-09-300001108134us-gaap:SegmentDiscontinuedOperationsMember2019-07-012019-09-300001108134us-gaap:SegmentDiscontinuedOperationsMember2019-01-012019-09-3000011081342020-03-012020-09-300001108134srt:SubsidiariesMember2020-09-300001108134srt:SubsidiariesMember2019-12-310001108134us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2020-09-300001108134us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2019-12-310001108134us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2020-09-300001108134us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2019-12-310001108134us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2020-07-012020-09-300001108134us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2019-07-012019-09-300001108134us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2020-01-012020-09-300001108134us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2019-01-012019-09-300001108134us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2020-06-300001108134us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2020-06-300001108134us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2020-07-012020-09-300001108134us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2019-06-300001108134us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2019-06-300001108134us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2019-07-012019-09-300001108134us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2019-09-300001108134us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2019-09-300001108134us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2020-01-012020-09-300001108134us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMember2018-12-310001108134us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2018-12-310001108134us-gaap:AccumulatedDefinedBenefitPlansAdjustmentMember2019-01-012019-09-300001108134us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2020-07-012020-09-300001108134us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2019-07-012019-09-300001108134us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2020-07-012020-09-300001108134us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2019-07-012019-09-300001108134us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2020-01-012020-09-300001108134us-gaap:AccumulatedNetUnrealizedInvestmentGainLossMemberus-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2019-01-012019-09-300001108134us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2020-01-012020-09-300001108134us-gaap:ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember2019-01-012019-09-300001108134us-gaap:RestrictedStockMember2020-07-012020-09-300001108134us-gaap:RestrictedStockMember2019-07-012019-09-300001108134us-gaap:RestrictedStockMember2020-01-012020-09-300001108134us-gaap:RestrictedStockMember2019-01-012019-09-300001108134us-gaap:EmployeeStockOptionMember2020-07-012020-09-300001108134us-gaap:EmployeeStockOptionMember2019-07-012019-09-300001108134us-gaap:EmployeeStockOptionMember2020-01-012020-09-300001108134us-gaap:EmployeeStockOptionMember2019-01-012019-09-300001108134us-gaap:RestrictedStockMember2019-07-012019-09-300001108134us-gaap:EmployeeStockOptionMember2019-07-012019-09-300001108134us-gaap:RestrictedStockMember2019-01-012019-09-300001108134us-gaap:EmployeeStockOptionMember2019-01-012019-09-300001108134us-gaap:RestrictedStockMember2019-12-310001108134us-gaap:EmployeeStockOptionMember2019-12-310001108134us-gaap:RestrictedStockMember2020-09-300001108134us-gaap:EmployeeStockOptionMember2020-09-300001108134us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2020-09-300001108134us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMember2020-09-300001108134us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2020-09-300001108134us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueMeasurementsRecurringMember2020-09-300001108134us-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberus-gaap:USStatesAndPoliticalSubdivisionsMember2020-09-300001108134us-gaap:FairValueInputsLevel2Memberus-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMember2020-09-300001108134us-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:USStatesAndPoliticalSubdivisionsMember2020-09-300001108134us-gaap:DebtSecuritiesMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMember2020-09-300001108134us-gaap:CollateralizedMortgageObligationsMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2020-09-300001108134us-gaap:FairValueInputsLevel2Memberus-gaap:CollateralizedMortgageObligationsMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2020-09-300001108134us-gaap:CollateralizedMortgageObligationsMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2020-09-300001108134us-gaap:CollateralizedMortgageObligationsMemberus-gaap:DebtSecuritiesMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueMeasurementsRecurringMember2020-09-300001108134us-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberus-gaap:ResidentialMortgageBackedSecuritiesMember2020-09-300001108134us-gaap:FairValueInputsLevel2Memberus-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:ResidentialMortgageBackedSecuritiesMember2020-09-300001108134us-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ResidentialMortgageBackedSecuritiesMember2020-09-300001108134us-gaap:DebtSecuritiesMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:ResidentialMortgageBackedSecuritiesMember2020-09-300001108134us-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberus-gaap:CommercialMortgageBackedSecuritiesMember2020-09-300001108134us-gaap:FairValueInputsLevel2Memberus-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CommercialMortgageBackedSecuritiesMember2020-09-300001108134us-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:CommercialMortgageBackedSecuritiesMember2020-09-300001108134us-gaap:DebtSecuritiesMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CommercialMortgageBackedSecuritiesMember2020-09-300001108134us-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateBondSecuritiesMemberus-gaap:FairValueInputsLevel1Member2020-09-300001108134us-gaap:FairValueInputsLevel2Memberus-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateBondSecuritiesMember2020-09-300001108134us-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:CorporateBondSecuritiesMember2020-09-300001108134us-gaap:DebtSecuritiesMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateBondSecuritiesMember2020-09-300001108134us-gaap:DebtSecuritiesMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2020-09-300001108134us-gaap:FairValueInputsLevel2Memberus-gaap:DebtSecuritiesMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2020-09-300001108134us-gaap:DebtSecuritiesMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2020-09-300001108134us-gaap:DebtSecuritiesMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2020-09-300001108134us-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2020-09-300001108134us-gaap:FairValueInputsLevel2Memberus-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2020-09-300001108134us-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2020-09-300001108134us-gaap:EquitySecuritiesMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueMeasurementsRecurringMember2020-09-300001108134us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2019-12-310001108134us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMember2019-12-310001108134us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2019-12-310001108134us-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueMeasurementsRecurringMember2019-12-310001108134us-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberus-gaap:USStatesAndPoliticalSubdivisionsMember2019-12-310001108134us-gaap:FairValueInputsLevel2Memberus-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMember2019-12-310001108134us-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:USStatesAndPoliticalSubdivisionsMember2019-12-310001108134us-gaap:DebtSecuritiesMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:USStatesAndPoliticalSubdivisionsMember2019-12-310001108134us-gaap:CollateralizedMortgageObligationsMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2019-12-310001108134us-gaap:FairValueInputsLevel2Memberus-gaap:CollateralizedMortgageObligationsMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2019-12-310001108134us-gaap:CollateralizedMortgageObligationsMemberus-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2019-12-310001108134us-gaap:CollateralizedMortgageObligationsMemberus-gaap:DebtSecuritiesMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueMeasurementsRecurringMember2019-12-310001108134us-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberus-gaap:ResidentialMortgageBackedSecuritiesMember2019-12-310001108134us-gaap:FairValueInputsLevel2Memberus-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:ResidentialMortgageBackedSecuritiesMember2019-12-310001108134us-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:ResidentialMortgageBackedSecuritiesMember2019-12-310001108134us-gaap:DebtSecuritiesMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:ResidentialMortgageBackedSecuritiesMember2019-12-310001108134us-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Memberus-gaap:CommercialMortgageBackedSecuritiesMember2019-12-310001108134us-gaap:FairValueInputsLevel2Memberus-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CommercialMortgageBackedSecuritiesMember2019-12-310001108134us-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:CommercialMortgageBackedSecuritiesMember2019-12-310001108134us-gaap:DebtSecuritiesMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CommercialMortgageBackedSecuritiesMember2019-12-310001108134us-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateBondSecuritiesMemberus-gaap:FairValueInputsLevel1Member2019-12-310001108134us-gaap:FairValueInputsLevel2Memberus-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateBondSecuritiesMember2019-12-310001108134us-gaap:DebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:CorporateBondSecuritiesMember2019-12-310001108134us-gaap:DebtSecuritiesMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:CorporateBondSecuritiesMember2019-12-310001108134us-gaap:DebtSecuritiesMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2019-12-310001108134us-gaap:FairValueInputsLevel2Memberus-gaap:DebtSecuritiesMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2019-12-310001108134us-gaap:DebtSecuritiesMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2019-12-310001108134us-gaap:DebtSecuritiesMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2019-12-310001108134us-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel1Member2019-12-310001108134us-gaap:FairValueInputsLevel2Memberus-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMember2019-12-310001108134us-gaap:EquitySecuritiesMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2019-12-310001108134us-gaap:EquitySecuritiesMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:FairValueMeasurementsRecurringMember2019-12-310001108134srt:CumulativeEffectPeriodOfAdoptionAdjustmentMemberbhlb:LoansHeldforInvestmentMemberus-gaap:AccountingStandardsUpdate201613Member2020-01-010001108134us-gaap:FairValueInputsLevel2Memberbhlb:LoansHeldforInvestmentMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:SegmentContinuingOperationsMember2020-09-300001108134us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:SegmentContinuingOperationsMemberbhlb:LoansHeldForSaleMember2020-09-300001108134us-gaap:FairValueInputsLevel2Memberus-gaap:SegmentDiscontinuedOperationsMemberus-gaap:FairValueMeasurementsRecurringMemberbhlb:LoansHeldForSaleMember2020-09-300001108134us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberbhlb:LoansHeldForSaleMember2020-09-300001108134us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:SegmentContinuingOperationsMemberbhlb:LoansHeldForSaleMember2019-12-310001108134us-gaap:FairValueInputsLevel2Memberus-gaap:SegmentDiscontinuedOperationsMemberus-gaap:FairValueMeasurementsRecurringMemberbhlb:LoansHeldForSaleMember2019-12-310001108134us-gaap:FairValueInputsLevel2Memberus-gaap:FairValueMeasurementsRecurringMemberbhlb:LoansHeldForSaleMember2019-12-310001108134us-gaap:SegmentContinuingOperationsMemberbhlb:LoansHeldForSaleMember2020-07-012020-09-300001108134us-gaap:SegmentDiscontinuedOperationsMemberbhlb:LoansHeldForSaleMember2020-07-012020-09-300001108134us-gaap:SegmentContinuingOperationsMemberbhlb:LoansHeldForSaleMember2020-01-012020-09-300001108134us-gaap:SegmentDiscontinuedOperationsMemberbhlb:LoansHeldForSaleMember2020-01-012020-09-300001108134us-gaap:SegmentContinuingOperationsMember2020-07-012020-09-300001108134us-gaap:SegmentContinuingOperationsMember2019-07-012019-09-300001108134us-gaap:SegmentContinuingOperationsMember2020-01-012020-09-300001108134us-gaap:SegmentContinuingOperationsMember2019-01-012019-09-300001108134us-gaap:SecuritiesAssetsMember2020-06-300001108134us-gaap:AvailableforsaleSecuritiesMember2020-06-300001108134bhlb:LoansHeldforInvestmentMember2020-06-300001108134us-gaap:CommitmentsToExtendCreditMember2020-06-300001108134us-gaap:ForwardContractsMember2020-06-300001108134bhlb:CapitalizedMortgageServicingRightsMember2020-06-300001108134us-gaap:SecuritiesAssetsMember2020-07-012020-09-300001108134bhlb:LoansHeldforInvestmentMember2020-07-012020-09-300001108134us-gaap:ForwardContractsMember2020-07-012020-09-300001108134us-gaap:AvailableforsaleSecuritiesMember2020-07-012020-09-300001108134us-gaap:CommitmentsToExtendCreditMemberus-gaap:SegmentDiscontinuedOperationsMember2020-07-012020-09-300001108134us-gaap:SegmentDiscontinuedOperationsMemberbhlb:CapitalizedMortgageServicingRightsMember2020-07-012020-09-300001108134us-gaap:CommitmentsToExtendCreditMember2020-07-012020-09-300001108134bhlb:CapitalizedMortgageServicingRightsMember2020-07-012020-09-300001108134us-gaap:SecuritiesAssetsMember2020-09-300001108134us-gaap:AvailableforsaleSecuritiesMember2020-09-300001108134bhlb:LoansHeldforInvestmentMember2020-09-300001108134us-gaap:CommitmentsToExtendCreditMember2020-09-300001108134us-gaap:ForwardContractsMember2020-09-300001108134bhlb:CapitalizedMortgageServicingRightsMember2020-09-300001108134us-gaap:SecuritiesAssetsMember2019-12-310001108134us-gaap:AvailableforsaleSecuritiesMember2019-12-310001108134bhlb:LoansHeldforInvestmentMember2019-12-310001108134us-gaap:CommitmentsToExtendCreditMember2019-12-310001108134us-gaap:ForwardContractsMember2019-12-310001108134bhlb:CapitalizedMortgageServicingRightsMember2019-12-310001108134bhlb:LoansHeldforInvestmentMember2020-01-012020-09-300001108134us-gaap:AvailableforsaleSecuritiesMember2020-01-012020-09-300001108134us-gaap:SecuritiesAssetsMember2020-01-012020-09-300001108134us-gaap:CommitmentsToExtendCreditMember2020-01-012020-09-300001108134us-gaap:ForwardContractsMember2020-01-012020-09-300001108134us-gaap:CommitmentsToExtendCreditMemberus-gaap:SegmentDiscontinuedOperationsMember2020-01-012020-09-300001108134us-gaap:SegmentDiscontinuedOperationsMemberbhlb:CapitalizedMortgageServicingRightsMember2020-01-012020-09-300001108134bhlb:CapitalizedMortgageServicingRightsMember2020-01-012020-09-300001108134us-gaap:SecuritiesAssetsMember2019-06-300001108134us-gaap:AvailableforsaleSecuritiesMember2019-06-300001108134bhlb:LoansHeldforInvestmentMember2019-06-300001108134us-gaap:CommitmentsToExtendCreditMember2019-06-300001108134bhlb:CapitalizedMortgageServicingRightsMember2019-06-300001108134us-gaap:SecuritiesAssetsMember2019-07-012019-09-300001108134us-gaap:CommitmentsToExtendCreditMember2019-07-012019-09-300001108134bhlb:CapitalizedMortgageServicingRightsMember2019-07-012019-09-300001108134us-gaap:SecuritiesAssetsMemberus-gaap:SegmentDiscontinuedOperationsMember2019-07-012019-09-300001108134us-gaap:CommitmentsToExtendCreditMemberus-gaap:SegmentDiscontinuedOperationsMember2019-07-012019-09-300001108134us-gaap:SegmentDiscontinuedOperationsMemberbhlb:CapitalizedMortgageServicingRightsMember2019-07-012019-09-300001108134us-gaap:SecuritiesAssetsMember2019-09-300001108134us-gaap:AvailableforsaleSecuritiesMember2019-09-300001108134bhlb:LoansHeldforInvestmentMember2019-09-300001108134us-gaap:CommitmentsToExtendCreditMember2019-09-300001108134bhlb:CapitalizedMortgageServicingRightsMember2019-09-300001108134us-gaap:SecuritiesAssetsMember2018-12-310001108134us-gaap:AvailableforsaleSecuritiesMember2018-12-310001108134bhlb:LoansHeldforInvestmentMember2018-12-310001108134us-gaap:CommitmentsToExtendCreditMember2018-12-310001108134bhlb:CapitalizedMortgageServicingRightsMember2018-12-310001108134us-gaap:SecuritiesAssetsMember2019-01-012019-09-300001108134us-gaap:CommitmentsToExtendCreditMember2019-01-012019-09-300001108134bhlb:CapitalizedMortgageServicingRightsMember2019-01-012019-09-300001108134us-gaap:SecuritiesAssetsMemberus-gaap:SegmentDiscontinuedOperationsMember2019-01-012019-09-300001108134us-gaap:CommitmentsToExtendCreditMemberus-gaap:SegmentDiscontinuedOperationsMember2019-01-012019-09-300001108134us-gaap:SegmentDiscontinuedOperationsMemberbhlb:CapitalizedMortgageServicingRightsMember2019-01-012019-09-300001108134us-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2020-09-300001108134us-gaap:MarketApproachValuationTechniqueMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Membersrt:MinimumMemberbhlb:AFSSecuritiesMemberbhlb:MeasurementInputPriceIndicationMember2020-09-300001108134us-gaap:MarketApproachValuationTechniqueMembersrt:MaximumMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberbhlb:AFSSecuritiesMemberbhlb:MeasurementInputPriceIndicationMember2020-09-300001108134us-gaap:ValuationTechniqueDiscountedCashFlowMemberbhlb:CollateralValueMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Membersrt:MinimumMember2020-09-300001108134us-gaap:ValuationTechniqueDiscountedCashFlowMemberbhlb:CollateralValueMembersrt:MaximumMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2020-09-300001108134us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:CommitmentsToExtendCreditMember2020-09-300001108134us-gaap:FairValueMeasurementsRecurringMemberbhlb:HistoricalTrendValuationTechniqueMemberus-gaap:FairValueInputsLevel3Memberbhlb:MeasurementInputClosingRatioMemberus-gaap:CommitmentsToExtendCreditMember2020-09-30bhlb:uSDPerLoan0001108134bhlb:MeasurementInputOriginationCostsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberbhlb:PricingModelValuationTechniqueMemberus-gaap:CommitmentsToExtendCreditMember2020-09-300001108134us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberbhlb:ForwardCommitmentsMember2020-09-300001108134us-gaap:FairValueMeasurementsRecurringMemberbhlb:HistoricalTrendValuationTechniqueMemberus-gaap:FairValueInputsLevel3Memberbhlb:ForwardCommitmentsMemberbhlb:MeasurementInputClosingRatioMember2020-09-300001108134bhlb:MeasurementInputOriginationCostsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberbhlb:PricingModelValuationTechniqueMemberbhlb:ForwardCommitmentsMember2020-09-300001108134us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberbhlb:CapitalizedMortgageServicingRightsMember2020-09-300001108134us-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputConstantPrepaymentRateMemberbhlb:CapitalizedMortgageServicingRightsMember2020-09-300001108134us-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberbhlb:CapitalizedMortgageServicingRightsMember2020-09-300001108134us-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Member2019-12-310001108134us-gaap:MarketApproachValuationTechniqueMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Membersrt:MinimumMemberbhlb:AFSSecuritiesMemberbhlb:MeasurementInputPriceIndicationMember2019-12-310001108134us-gaap:MarketApproachValuationTechniqueMembersrt:MaximumMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberbhlb:AFSSecuritiesMemberbhlb:MeasurementInputPriceIndicationMember2019-12-310001108134us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:CommitmentsToExtendCreditMember2019-12-310001108134us-gaap:FairValueMeasurementsRecurringMemberbhlb:HistoricalTrendValuationTechniqueMemberus-gaap:FairValueInputsLevel3Memberbhlb:MeasurementInputClosingRatioMemberus-gaap:CommitmentsToExtendCreditMember2019-12-310001108134bhlb:MeasurementInputOriginationCostsMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberbhlb:PricingModelValuationTechniqueMemberus-gaap:CommitmentsToExtendCreditMember2019-12-310001108134us-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberbhlb:CapitalizedMortgageServicingRightsMember2019-12-310001108134us-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputConstantPrepaymentRateMemberbhlb:CapitalizedMortgageServicingRightsMember2019-12-310001108134us-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:FairValueMeasurementsRecurringMemberus-gaap:FairValueInputsLevel3Memberbhlb:CapitalizedMortgageServicingRightsMember2019-12-310001108134us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsNonrecurringMember2020-09-300001108134us-gaap:FairValueInputsLevel3Memberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310001108134us-gaap:FairValueInputsLevel3Memberbhlb:FairValueOfCollateralValuationTechniqueMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-09-300001108134us-gaap:FairValueInputsLevel3Membersrt:MinimumMemberbhlb:FairValueOfCollateralValuationTechniqueMemberus-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:MeasurementInputLossSeverityMember2020-09-300001108134srt:MaximumMemberus-gaap:FairValueInputsLevel3Memberbhlb:FairValueOfCollateralValuationTechniqueMemberus-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:MeasurementInputLossSeverityMember2020-09-300001108134srt:WeightedAverageMemberus-gaap:FairValueInputsLevel3Memberbhlb:FairValueOfCollateralValuationTechniqueMemberus-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:MeasurementInputLossSeverityMember2020-09-300001108134us-gaap:MeasurementInputAppraisedValueMemberus-gaap:FairValueInputsLevel3Membersrt:MinimumMemberbhlb:FairValueOfCollateralValuationTechniqueMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-09-300001108134us-gaap:MeasurementInputAppraisedValueMembersrt:MaximumMemberus-gaap:FairValueInputsLevel3Memberbhlb:FairValueOfCollateralValuationTechniqueMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-09-300001108134us-gaap:MeasurementInputAppraisedValueMembersrt:WeightedAverageMemberus-gaap:FairValueInputsLevel3Memberbhlb:FairValueOfCollateralValuationTechniqueMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-09-300001108134us-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:FairValueInputsLevel3Memberbhlb:CapitalizedMortgageServicingRightsMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-09-300001108134us-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputConstantPrepaymentRateMembersrt:MinimumMemberbhlb:CapitalizedMortgageServicingRightsMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-09-300001108134us-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputConstantPrepaymentRateMemberbhlb:CapitalizedMortgageServicingRightsMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-09-300001108134srt:WeightedAverageMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputConstantPrepaymentRateMemberbhlb:CapitalizedMortgageServicingRightsMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-09-300001108134us-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:FairValueInputsLevel3Membersrt:MinimumMemberbhlb:CapitalizedMortgageServicingRightsMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-09-300001108134us-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMemberus-gaap:FairValueInputsLevel3Memberbhlb:CapitalizedMortgageServicingRightsMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-09-300001108134us-gaap:MeasurementInputDiscountRateMembersrt:WeightedAverageMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:FairValueInputsLevel3Memberbhlb:CapitalizedMortgageServicingRightsMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-09-300001108134bhlb:OtherRealEstateOwnedMemberus-gaap:FairValueInputsLevel3Memberbhlb:FairValueOfCollateralValuationTechniqueMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-09-300001108134us-gaap:MeasurementInputAppraisedValueMemberbhlb:OtherRealEstateOwnedMemberus-gaap:FairValueInputsLevel3Membersrt:MinimumMemberbhlb:FairValueOfCollateralValuationTechniqueMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-09-300001108134us-gaap:MeasurementInputAppraisedValueMemberbhlb:OtherRealEstateOwnedMembersrt:MaximumMemberus-gaap:FairValueInputsLevel3Memberbhlb:FairValueOfCollateralValuationTechniqueMemberus-gaap:FairValueMeasurementsNonrecurringMember2020-09-300001108134us-gaap:FairValueInputsLevel3Memberbhlb:FairValueOfCollateralValuationTechniqueMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310001108134us-gaap:FairValueInputsLevel3Membersrt:MinimumMemberbhlb:FairValueOfCollateralValuationTechniqueMemberus-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:MeasurementInputLossSeverityMember2019-12-310001108134srt:MaximumMemberus-gaap:FairValueInputsLevel3Memberbhlb:FairValueOfCollateralValuationTechniqueMemberus-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:MeasurementInputLossSeverityMember2019-12-310001108134srt:WeightedAverageMemberus-gaap:FairValueInputsLevel3Memberbhlb:FairValueOfCollateralValuationTechniqueMemberus-gaap:FairValueMeasurementsNonrecurringMemberus-gaap:MeasurementInputLossSeverityMember2019-12-310001108134us-gaap:MeasurementInputAppraisedValueMemberus-gaap:FairValueInputsLevel3Membersrt:MinimumMemberbhlb:FairValueOfCollateralValuationTechniqueMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310001108134us-gaap:MeasurementInputAppraisedValueMembersrt:MaximumMemberus-gaap:FairValueInputsLevel3Memberbhlb:FairValueOfCollateralValuationTechniqueMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310001108134us-gaap:MeasurementInputAppraisedValueMembersrt:WeightedAverageMemberus-gaap:FairValueInputsLevel3Memberbhlb:FairValueOfCollateralValuationTechniqueMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310001108134us-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:FairValueInputsLevel3Memberbhlb:CapitalizedMortgageServicingRightsMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310001108134us-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputConstantPrepaymentRateMembersrt:MinimumMemberbhlb:CapitalizedMortgageServicingRightsMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310001108134us-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputConstantPrepaymentRateMemberbhlb:CapitalizedMortgageServicingRightsMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310001108134srt:WeightedAverageMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputConstantPrepaymentRateMemberbhlb:CapitalizedMortgageServicingRightsMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310001108134us-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:FairValueInputsLevel3Membersrt:MinimumMemberbhlb:CapitalizedMortgageServicingRightsMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310001108134us-gaap:MeasurementInputDiscountRateMemberus-gaap:ValuationTechniqueDiscountedCashFlowMembersrt:MaximumMemberus-gaap:FairValueInputsLevel3Memberbhlb:CapitalizedMortgageServicingRightsMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310001108134us-gaap:MeasurementInputDiscountRateMembersrt:WeightedAverageMemberus-gaap:ValuationTechniqueDiscountedCashFlowMemberus-gaap:FairValueInputsLevel3Memberbhlb:CapitalizedMortgageServicingRightsMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310001108134bhlb:OtherRealEstateOwnedMemberus-gaap:FairValueInputsLevel3Memberbhlb:FairValueOfCollateralValuationTechniqueMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310001108134us-gaap:MeasurementInputAppraisedValueMemberbhlb:OtherRealEstateOwnedMemberus-gaap:FairValueInputsLevel3Memberbhlb:FairValueOfCollateralValuationTechniqueMemberus-gaap:FairValueMeasurementsNonrecurringMember2019-12-310001108134us-gaap:CarryingReportedAmountFairValueDisclosureMember2020-09-300001108134us-gaap:EstimateOfFairValueFairValueDisclosureMember2020-09-300001108134us-gaap:FairValueInputsLevel1Member2020-09-300001108134us-gaap:FairValueInputsLevel2Member2020-09-300001108134us-gaap:FairValueInputsLevel3Member2020-09-300001108134us-gaap:CarryingReportedAmountFairValueDisclosureMember2019-12-310001108134us-gaap:EstimateOfFairValueFairValueDisclosureMember2019-12-310001108134us-gaap:FairValueInputsLevel1Member2019-12-310001108134us-gaap:FairValueInputsLevel2Member2019-12-310001108134us-gaap:FairValueInputsLevel3Member2019-12-31
Table of Contents
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
 
FORM 10-Q
 
QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
 
For the quarterly period ended: September 30, 2020
TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
 
For the transition period from                    to                  
 
Commission File Number: 001-15781
405916215_bhlb-20200930_g1.jpg  
BERKSHIRE HILLS BANCORP, INC.
(Exact name of registrant as specified in its charter)
 
Delaware04-3510455
(State or other jurisdiction of incorporation or organization)(I.R.S. Employer Identification No.)
   
60 State StreetBoston Massachusetts02109
(Address of principal executive offices)(Zip Code)
 
Registrant’s telephone number, including area code: (800) 773-5601, ext. 133773

Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered
Common Stock, par value $0.01 per shareBHLBThe New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.  Yes ý  No o
 
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes ý   No o
    


Table of Contents
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
Large accelerated filer    ý    Accelerated filer        o     
Non-accelerated filer    o     Smaller reporting company    
    Emerging growth company    
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.     o
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act) Yes   No 
 
As of November 6, 2020, the Registrant had 50,832,036 shares of common stock, $0.01 par value per share, outstanding


Table of Contents
BERKSHIRE HILLS BANCORP, INC.
FORM 10-Q
 
INDEX 
  Page
   
 
 
 Consolidated Balance Sheets as of September 30, 2020 and December 31, 2019
 Consolidated Statements of Operations for the Three and Nine Months Ended September 30, 2020 and 2019
 Consolidated Statements of Comprehensive Income/(Loss) for the Three and Nine Months Ended September 30, 2020 and 2019
 Consolidated Statements of Changes in Shareholders’ Equity for the Three and Nine Months Ended September 30, 2020 and 2019
 Consolidated Statements of Cash Flows for the Nine Months Ended September 30, 2020 and 2019
 Notes to Consolidated Financial Statements (Unaudited) 
  
  
  
  
  
  
  
  
  
  
Item 2.
 
 
 
2

Table of Contents
 
 

3

Table of Contents
PART I
ITEM 1.  CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
BERKSHIRE HILLS BANCORP, INC.
CONSOLIDATED BALANCE SHEETS
 September 30,
2020
December 31,
2019
(In thousands, except share data)
Assets  
Cash and due from banks$90,537 $105,447 
Short-term investments844,755 474,382 
Total cash and cash equivalents935,292 579,829 
Trading security, at fair value9,525 10,769 
Marketable equity securities, at fair value31,993 41,556 
Securities available for sale, at fair value1,575,289 1,311,555 
Securities held to maturity (fair values of $356,035 and $373,277)
330,197 357,979 
Federal Home Loan Bank stock and other restricted securities40,520 48,019 
Total securities1,987,524 1,769,878 
Less: Allowance for credit losses on held to maturity securities(96) 
Net securities1,987,428 1,769,878 
Loans held for sale15,854 36,664 
Total loans8,982,336 9,502,428 
Less: Allowance for credit losses on loans (134,414)(63,575)
Net loans8,847,922 9,438,853 
Premises and equipment, net117,116 120,398 
Other real estate owned40  
Goodwill 553,762 
Other intangible assets40,947 45,615 
Cash surrender value of bank-owned life insurance policies231,217 227,894 
Other assets425,675 288,945 
Assets from discontinued operations12,966 154,132 
Total assets$12,614,457 $13,215,970 
Liabilities  
Demand deposits$2,585,173 $1,884,100 
NOW and other deposits1,522,289 1,492,569 
Money market deposits2,516,168 2,528,656 
Savings deposits952,836 841,283 
Time deposits2,890,093 3,589,369 
Total deposits10,466,559 10,335,977 
Short-term debt110,000 125,000 
Long-term Federal Home Loan Bank advances and other495,483 605,501 
Subordinated borrowings97,223 97,049 
Total borrowings702,706 827,550 
Other liabilities251,220 267,398 
Liabilities from discontinued operations14,947 26,481 
Total liabilities$11,435,432 $11,457,406 
(continued)
September 30,
2020
December 31,
2019
Shareholders’ equity  
Preferred Stock (Series B non-voting convertible preferred stock - $0.01 par value; 2,000,000 shares authorized, 260,907 shares issued and outstanding in 2020; 2,000,000 shares authorized, 521,607 shares issued and outstanding in 2019)
20,325 40,633 
Common stock ($0.01 par value; 100,000,000 shares authorized and 51,903,190 shares issued and 50,305,952 shares outstanding in 2020; 51,903,190 shares issued and 49,585,143 shares outstanding in 2019
523 517 
Additional paid-in capital - common stock1,422,300 1,422,441 
Unearned compensation(7,526)(8,465)
Retained earnings (deficit)(242,175)361,082 
Accumulated other comprehensive income 32,426 11,993 
Treasury stock, at cost (1,597,238 shares in 2020 and 2,318,047 shares in 2019)
(46,848)(69,637)
Total shareholders’ equity1,179,025 1,758,564 
Total liabilities and shareholders’ equity$12,614,457 $13,215,970 
The accompanying notes are an integral part of these consolidated financial statements.
4

Table of Contents
BERKSHIRE HILLS BANCORP, INC.
CONSOLIDATED STATEMENTS OF OPERATIONS
Three Months Ended
September 30,
Nine Months Ended
September 30,
(In thousands, except per share data)2020201920202019
Interest and dividend income from continuing operations  
Loans$85,688 $118,371 $278,259 $338,012 
Securities and other12,080 15,354 39,392 46,060 
Total interest and dividend income97,768 133,725 317,651 384,072 
Interest expense from continuing operations  
Deposits16,070 31,501 60,460 86,396 
Borrowings4,643 5,353 16,118 23,751 
Total interest expense20,713 36,854 76,578 110,147 
Net interest income from continuing operations77,055 96,871 241,073 273,925 
Non-interest income from continuing operations  
Mortgage banking originations2,044 292 4,647 616 
Loan related income4,988 6,493 12,007 17,318 
Deposit related fees7,062 8,705 20,382 23,088 
Insurance commissions and fees2,660 2,895 8,451 8,486 
Wealth management fees2,299 2,325 6,926 7,114 
Total fee income19,053 20,710 52,413 56,622 
Other, net1,927 609 492 1,363 
(Loss)/gain on securities, net(1,017)87 (9,925)2,655 
Total non-interest income19,963 21,406 42,980 60,640 
Total net revenue from continuing operations97,018 118,277 284,053 334,565 
Provision for credit losses 1,200 22,600 65,878 30,068 
Non-interest expense from continuing operations  
Compensation and benefits34,809 37,272 111,121 105,551 
Occupancy and equipment11,084 9,893 32,411 28,788 
Technology and communications8,540 6,849 24,376 19,821 
Marketing and promotion1,002 1,006 3,069 3,428 
Professional services2,567 2,282 7,852 8,510 
FDIC premiums and assessments1,518  4,658 3,390 
Other real estate owned and foreclosures40 150 81 150 
Amortization of intangible assets1,530 1,526 4,668 4,201 
Goodwill impairment  553,762  
Acquisition, restructuring, and other expenses5,316 4,163 5,316 22,333 
Other6,437 7,870 21,129 23,398 
Total non-interest expense72,843 71,011 768,443 219,570 
Income/(loss) from continuing operations before income taxes$22,975 $24,666 $(550,268)$84,927 
Income tax (benefit)/expense(68)4,007 (18,194)16,042 
Net income/(loss) from continuing operations$23,043 $20,659 $(532,074)$68,885 
(Loss)/income from discontinued operations before income taxes$(2,477)$2,747 $(21,741)$3,975 
Income tax (benefit)/expense(659)790 (5,789)1,161 
Net (loss)/income from discontinued operations$(1,818)$1,957 $(15,952)$2,814 
Net income/(loss)$21,225 $22,616 $(548,026)$71,699 
Preferred stock dividend58 240 313 720 
Income/(loss) available to common shareholders$21,167 $22,376 $(548,339)$70,979 
(continued)
5

Table of Contents
BERKSHIRE HILLS BANCORP, INC.
CONSOLIDATED STATEMENTS OF OPERATIONS (CONCLUDED)
Three Months Ended
September 30,
Nine Months Ended
September 30,
2020201920202019
Basic earnings/(loss) per common share:  
Continuing operations$0.46 $0.40 $(10.58)$1.41 
Discontinued operations