XML 62 R51.htm IDEA: XBRL DOCUMENT
v3.23.1

LOANS AND ALLOWANCE FOR CREDIT LOSSES - Loans Modified (Details) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 USD ($)
Commercial loans | Construction |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Weighted Average Interest Rate Reduction | 0.00%
Weighted Average Term Extension (months) | 0 months
Commercial loans | Construction | Principal Forgiveness |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Principal Forgiveness | $ 0
Commercial loans | Commercial multifamily |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Weighted Average Interest Rate Reduction | 0.00%
Weighted Average Term Extension (months) | 0 months
Commercial loans | Commercial multifamily | Principal Forgiveness |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Principal Forgiveness | $ 0
Commercial real estate | Commercial real estate owner occupied |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Weighted Average Interest Rate Reduction | 0.00%
Weighted Average Term Extension (months) | 120 months
Commercial real estate | Commercial real estate owner occupied | Principal Forgiveness |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Principal Forgiveness | $ 0
Commercial real estate | Commercial real estate non-owner occupied |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Weighted Average Interest Rate Reduction | 0.00%
Weighted Average Term Extension (months) | 0 months
Commercial real estate | Commercial real estate non-owner occupied | Principal Forgiveness |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Principal Forgiveness | $ 0
Commercial and industrial |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Weighted Average Interest Rate Reduction | 1.25%
Weighted Average Term Extension (months) | 87 months
Commercial and industrial | Principal Forgiveness |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Principal Forgiveness | $ 0
Residential real estate | Residential real estate |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Weighted Average Interest Rate Reduction | 0.00%
Weighted Average Term Extension (months) | 0 months
Residential real estate | Residential real estate | Principal Forgiveness |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Principal Forgiveness | $ 0
Consumer | Home equity |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Weighted Average Interest Rate Reduction | 0.00%
Weighted Average Term Extension (months) | 0 months
Consumer | Home equity | Principal Forgiveness |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Principal Forgiveness | $ 0
Consumer | Consumer other |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Weighted Average Interest Rate Reduction | 0.00%
Weighted Average Term Extension (months) | 0 months
Consumer | Consumer other | Principal Forgiveness |
Financing Receivable, Troubled Debt Restructuring [Line Items] |
Principal Forgiveness | $ 0

X
- Definition Financing Receivable, Modified, Subsequent Default + References No definition available. + Details
Name: | bhlb_FinancingReceivableModifiedSubsequentDefault
Namespace Prefix: | bhlb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification + References No definition available. + Details
Name: | bhlb_FinancingReceivableModifiedWeightedAverageInterestRateDecreaseFromModification
Namespace Prefix: | bhlb_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing Receivable, Modified, Weighted Average Term Increase from Modification + References No definition available. + Details
Name: | bhlb_FinancingReceivableModifiedWeightedAverageTermIncreaseFromModification
Namespace Prefix: | bhlb_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableModificationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConstructionLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_PrincipalForgivenessMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=bhlb_CommercialMultifamilyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialRealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=bhlb_RealEstateOwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=bhlb_RealEstateNonOwnerOccupiedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=bhlb_CommercialAndIndustrialLoansPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ResidentialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_RealEstateLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_HomeEquityLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=bhlb_ConsumerOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |